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Statistical Analysis of the Influence of Temperature and Humidity on the Stability of Geomembrane Mechanical Test IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-21 Airong Zheng
Using mathematical statistics, we analyzed the influence of temperature and relative humidity during test on the results. The test data of geomembrane were obtained by changing the temperature and relative humidity ranging from 18C to 25C and from 50% to 70% respectively. The results show that under different temperature and humidity, the coefficient of variation of the maximum tensile test value is
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Analysis on construction deformation characteristics of Da-Puling tunnel by monitoring measurement IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-21 Hewen Liu; Wenjia Wu
Tunnel monitoring and measurement is the guarantee of tunnel construction safety and implementation of dynamic parameter design; relying on the surface settlement, vault settlement and convergence deformation in the tunnel during the construction of Da-Puling tunnel on Guangxi expressway, based on the monitoring data, the stress situation and deformation characteristics of the tunnel are analyzed;
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Preface IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-21
The 2020 2nd International Conference on Structural Seismic and Civil Engineering Research (ICSSCER 2020) was planned to be held on December 11-13, 2020 in Zhengzhou, China. Currently, the entire world is struggling against the virulent pandemic COVID-19. Unfortunately, each of us is affected, either overtly or covertly. Our conference, 2020 2nd International Conference on Structural Seismic and Civil
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Study of the Site Class Index Chart of Larch Plantation Based on the Mitscherlich Model1 IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-21 Youquan Jiao; Ji Feng
In this paper, 196 plots and 460 larches were selected as the material, and analyzed the oriented exponential order site class index curve model of larches located at Wangyedian in Chifeng City, Inner Mongolia. The forestal statistical analysis software (SPSS 18.0) was used to data fitting and analytic comparison of larch plantation data. The results showed that: the oriented Mitstcherlich curvilinear
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Effect of P2G on Suppression of New Energy Fluctuations and Carbon Capture and Dynamic Simulation of Gas Pipeline IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-21 Jiang zhai; Yalou Li; Fang Li; Xiaoxin Zhou
The rise of power-to-gas (P2G) technology provides an effective way for the absorption of low-carbon intermittent energy sources such as wind energy and photovoltaics. At the same time, the application and promotion of power-to-gas (P2G) are beneficial to the realization of carbon-neutral goals and realize carbon recycling. This paper analyzes the principle of the power-to-gas process, including the
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Mechanical and Numerical Simulation on Weathered Argillaceous Siltstone under Cyclic Loading IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Yang Sun; Chengke Zhang; Zhiqiang Li; Junping Yu
Secondary lining cracking always occurs in existing tunnels when the tunnel passes through the weathered argillaceous siltstone layer, which seriously affects the safety of the tunnel. In order to study the mechanical properties of weathered argillaceous siltstone and the cracking law of the secondary lining, this study analyzes the relationship of accumulative plastic strain between the dynamic stress
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Study on the mechanical properties of phosphogypsum composite cementing materials based on alkali excitation IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Pengfei Ma; Wen Yang; Zeqian Kang; Shengrong Kang; Baojun Cheng
In this research, phosphogypsum composite cementing material using phosphogypsum powder, slag powder, fly ash and cement were prepared as the main cementing materials, and sodium silicate was used as the activator. The influence of the cement content of 0 wt.%, 5 wt.%, 10 wt.%, 15 wt.% and the change of 0%, 2%, 4% alkali equivalent on the mechanical properties of cementing materials was studied, the
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Comparison of seismic reduction schemes for frame structures under frequent earthquakes IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Chang Xian Zhou; Shao Peng Zheng; You Quan Ye; Hao Wang; Ping Fu
In recent years, viscous energy dissipation wall is widely used in China. In the case of a 5-story frame structure, the combination of viscous damping wall (VDW), buckling restrained brace (BRB) and (VDW + BRB) is used for seismic design. Under frequent earthquakes, (VDW + BRB) scheme has the best damping effect, which can effectively reduce the response of superstructure and greatly improve the seismic
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Prediction of the Probability of Earthquake in Seismic Risk Analysis Using Bayesian Method IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Shiyao Shang
Because of the randomness and uncertainties of earthquake and its structures, it is a natural choice to analyze and evaluate the risk of earthquake in the way of seismic risk analysis. Effective prediction of earthquakes can minimize property losses and protect citizens’ safety. In this article, Bayes rule was used to make a simple prediction of the risk of a strong earthquake in a certain area. Then
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Analysis of surrounding rock anchoring effect under the condition of squeezed mountain IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Yujun Ma; Chao Su; Heng Zhang
In the process of orogenesis, the geological conditions of vertical strata were formed due to the intense compressive tectonic movement, and lithologic stratification occurred in the rock mass of the plant along the horizontal plane and vertically upstream and downstream. The main powerhouse of a power station straddles two types of rock formations along the axis. Considering the lithological differences
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The Balance Mechanism of Project Cost Audit Based on Game Theory IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Hanbin Zhou; Chunlong Nie
As the last step of the project cost review, auditing plays a vital role in the entire project. It can not only make the project cost more accurate, but also bring some economic indicators to the entire construction industry. This article uses the game method to take the auditor as The center analyzes the pros and cons of the auditors and the reviewers during the audit, and proposes a series of balancing
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Bearing capacity analysis of flap gate under impact load IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Hemin Zhu; Xiaona Li; Yile Chen
In order to study the bearing capacity of flap gate under impact load, this paper uses the finite element calculation model to calculate the bending and shear resistance of the buttress of the flap gate under the design model, and designs the reinforcement amount of the section to study the bearing capacity of the flap gate under the impact load. The research result shows that the impact load controls
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Study on the dynamic characteristics of the horizontally encrypted column network spring vibration isolated turbine-generator foundation IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Yu Ying Song; Xian Yun Wang; Tie Jun Qu
To investigate the dynamic characteristics of the horizontally encrypted column network spring vibration isolated turbine-generator foundation, according to similarity theory, a 10:1 scale model of the horizontally encrypted column network spring vibration isolated turbine-generator foundation, including two condensers, was tested on site, and the dynamic characteristics of the model are analyzed by
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Experimental study on mechanical behavior of steel-concrete composite beams with friction connections in different structural zones IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Chao Pan; Hui Ying; Shugang Wang
in order to study the mechanical properties of steel-concrete composite beams with asymmetric friction connections and considering the structural factors, three simple steel-concrete composite beams with friction connections were fabricated, and the uniaxial low cycle cyclic loading sine wave tests were carried out on the steel-concrete composite beams with friction connections. The test results show
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Hourly electric load forecasting for buildings using hybrid intelligent modelling IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Yuanyuan Chen; Peiyong Duan; Junqing Li
Because of the rapidly increasing total electric load of buildings, effective electric load management should be achieved quickly. This can be realized via electric load forecasting. In this study, a novel clustering-based hybrid prediction model is proposed to predict the 24-daily electric load of buildings. In this study, fuzzy c-means (FCM) clustering, ensemble empirical mode decomposition (EEMD)
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Study on low temperature performance of recycled concrete IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Hongjie Guan; Jing Tian; Qun Wang
Recycled concrete is a product of the recycling of building materials. It has the characteristics of low cost and large demand, and its application in engineering is gradually expanding. However, there are still many unclear problems in the performance of recycled concrete in cold regions. In order to solve this problem, this paper puts forward the performance research of recycled concrete under low
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Study on performance-based seismic design theory IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Yujie Wang
There are many other names for performance-based design, such as “performance based”, “performance evaluation”, “performance explicit standards” and “performance-based standards”. The so-called “performance-based” refers to the performance specified in the specification or the performance proposed in the specification. When designing the design method, the specification only specifies the target performance
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Influence of diameter thickness ratio of main tube on bearing capacity of steel tube tower joints IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Liang Zhang; Shifeng Hou; Chen Chen; Yake Tang; Kai Niu; Haowei Pei; Yanzhong Ju; Tiantian Lin
In order to study the influence of steel tube diameter thickness ratio on the bearing capacity of steel tube angle steel tower joint, the finite element model of tube plate joint was established, and the failure mode and bearing capacity of the joint under different steel tube diameter thickness ratios were studied, and the influence law of steel tube diameter thickness ratio on the bearing capacity
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Analysis on dynamic eccentricity effect and torsional performance of steel reinforced concrete frame with special-shaped column IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Zongbo Hu
Based on the seismic simulation shaking table test of steel reinforced concrete frame model with special-shaped column, the lateral-torsional vibration response, dynamic eccentricity effect and nonlinear torsion response law of the model structure are studied. The results show that, under the action of three-way earthquake, the Y-direction and X-direction horizontal torsion coupling phenomena occur
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Comparative analysis of concrete frame structure models with CFRP bars and GFRP Bars IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Liangyuan Du
In this paper, the finite element model of FRP reinforced concrete frame structure is established, and the seismic performance characteristics of CFRP bars and GFRP Bars concrete frame models are analyzed, such as stiffness degradation, strength attenuation, energy dissipation capacity, etc. The stiffness of CFRP reinforced concrete frame model is obviously greater than that of CFRP reinforced concrete
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Manufacturing technology and cost analysis of SFRC segment IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Bin Wang; Yisan Deng; Xiaopeng Cheng; Deming Li; Shijie Zhang
The manufacturing technology of SFRC segment is introduced. The main differences between SFRC segment and ordinary reinforced concrete segment are clarified. The cost norm of SFRC segment is established. By studying material and mechanical consumption in the production process of SFRC segment, the entire-cost of SFRC segment is obtained. Based on the production and application process of SFRC segment
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The comparison analysis of earthquake resistant behavior between frame structure and frame shear wall structure IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Hongzhen Wang; Lei Wang; Kai Yan
According to the investigation of earthquake damages in China and abroad, the earthquake resistant behavior of frame shear wall structure is better than that of frame structure. Compared to the reinforced concrete fame shear wall structure, the fame structure is easier to be damaged under the action of earthquakes. In this paper, the five-storey frame structure model is taken as the research object
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Research on the influence of the distance between the ribs of the energy dissipating beam section on the seismic performance of the eccentrically supported frame IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Xuanyi Sun; Xinwu Wang; Lidan Fan; Xiaopeng Li; Tong Li
A reciprocating force loading test was performed of a single-layer shear-yield eccentric brace frame specimen, and the finite element model of stiffeners of several energy-dissipating beam segments with different spacing is established. On the basis of verifying the validity of the finite element analysis, a non-linear numerical analysis of its hysteretic performance is performed, and the bearing capacity
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Study on Compaction Characteristics and Construction Control Index of Gravel Materials in a Core Wall Dam IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Long Wang; Xiaogang Wang; Jianming Zhao; Renlong Huang; Zhengquan Yang; Rongfeng Ma
Gravel materials are widely used in dam engineering in western China due to their excellent engineering characteristics such as high compaction density, high shear strength and strong water permeability. The compaction standard of gravel materials is evaluated by the relative density index. Therefore, after a reasonable compaction standard is determined, the next most critical link is the control of
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Constructions of earthquake scenarios based on virtual simulations IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Dan Tian; Wenjie Song; Tonglei Qu; Baijia Zhou; Xiangyang Lu; Yuhua Liu
The earthquake is an emergency with low probability and high risk. Constructing a real earthquake disaster scene can be used for earthquake emergency exercises, and timely inspection of escape, self-rescue and mutual rescue, and government decision-making deficiencies. Conducting the earthquake exercises under realistic conditions is not easily realized. Compared to the previous methods, the method
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Analysis of the Damping Effect of Rubber Damping Layer under Explosive Load IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Yingjie Yuan; Huixiang Sun; Zhuo Chen; Wentang Zhang; Wei Xia
In order to study the influence of the thickness of the rubber damping layer on the damping performance of the rock mass arch structure under explosive load, a finite element model was established based on the ANSYS/LS-DYNA dynamic finite element analysis software, and four rubber damping layers with different thicknesses of 0 m, 0.2 m, 0.4 m and 0.6 m are set between the rock mass and the lining.
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BIM Process and Application in Geological Exploration of Rail Transit Engineering in Mountainous Cities IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Wei Guo; JianXiong Ma
Based on the practical problems in the geological modeling of rail transit engineering in Chongqing, this study conducts a comparative analysis of the commonly use methods of engineering geological modeling. In view of the special geological conditions such as sand-mudstone interbedding and lens in mountainous cities, the problem of unified stratification of complex strata is solved by means of three-dimensional
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Research on convergence analysis method of metro tunnel section--Based on mobile 3D laser scanning technology IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Hongfei Zhang; Jinzhou Xia
The protection and monitoring of subway tunnels have always been an important guarantee for the safe operation of urban rail transit. The current monitoring of tunnel deformation and convergence relies on traditional technology methods such as convergence meters and electronic total stations. Although the 3D laser scanning method of stationary station setup and station-to-station splicing of monitoring
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Deformation modulus tested by the falling ball test method and the experimental verification IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Yingqi Xue; Xiaokun Han; Huayang He; Zhu Luo
In filling engineering, the mechanical properties of geomaterials are the most important mechanical indicators. With the improvement of the measurement technology, the falling ball test (FBT) method has been gradually popularized and applied to the testing of geomaterials mechanical properties. In order to verify the testing accuracy of the FBT method, experimental results of the deformation modulus
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Experimental study on dynamic stress dynamic strain relationship and dynamic modulus of reinforced expansive soil IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Xianyuan Tang; Shihai Wang; Feng Cheng
Dynamic triaxial tests are carried out on saturated expansive soil of Qinchong Road, Guangxi at different compaction degrees, numbers of reinforced layers, confining pressure, dynamic stress dynamic strain relationship, and dynamic modulus attenuation law under frequency combination to study the dynamic characteristics of reinforced saturated expansive soil under different influencing factors. Results
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Research on Mechanical Performance of the Connection of Fabricated Primary and Secondary Steel Beam IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Junyang Zhao; Huaibao Chu; Xinwu Wang; Xin Bu
Due to many advantages, prefabricated buildings are the trend of future development. In order to study the mechanical properties of the steel structure beam-beam connection node, referring to related materials, this paper designs a bolted connection node between main and secondary steel beams. By changing the key parameters such as the thickness of the supporting plate and the diameter of the bolt
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Analysis of the bearing capacity of the normal section of regional confined concrete flexural members IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Jianying Zhou; Lidan Li
In this paper, a static failure test was carried out on a confined concrete beam and a normal reinforced concrete beam. The theoretical and experimental bearing capacity of ordinary reinforced concrete beams and regional confined concrete beams are analyzed. The experimental and theoretical calculation results show that the regional confined concrete beam can effectively increase the bearing capacity
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Study on Seismic Capacity of Single-story and Brick-concrete Structure Building in a Rural Area of Southern Guangxi IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Shan Chen; Chuanlong Zou; Xiaoguang Liang; Mingmao Li
Based on the investigation and analysis of the brick-concrete and single-story houses in a rural area of southern Guangxi, the author established four different overall models of single-story house according to a certain proportion by ABAQUS-a software of finite element analysis, so as to analyze the seismic response of brick-concrete and single-storey buildings in this area under the action of 6-magnitude
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Statistical Analysis of the Influence of Test Environment on Geomembrane Physical Test IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Airong Zheng; Ju Chen; Jiannan Whang
Temperature and relative humidity affect the test of geomembrane. Here, using mathematical statistics, we analyzed the influence of temperature and relative humidity during state regulation and test on the results. The test data of geomembrane were obtained by changing the temperature and relative humidity ranging from 18C to 25C and from 50% to 70% respectively. Variation characteristics of discreteness
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Application of BIM in Construction Management of Large Commercial Complex IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Zhen Liu
This paper introduces the connection between construction management and BIM in large commercial complex projects. Through the technical means of BIM technology in construction site management, working face division, l design, steel structure deepening design, safety management, auxiliary simulation construction vehicle driving route, tower crane whole process management, etc. The purpose of shortening
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Peer review declaration IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20
All papers published in this volume of IOP Conference Series: Earth and Environmental Science have been peer reviewed through processes administered by the Editors. Reviews were conducted by expert referees to the professional and scientific standards expected of a proceedings journal published by IOP Publishing. • Type of peer review: Double-blind • Conference submission management system: AI Scholar
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Innovative ways of suppression of fungal infections of plants:approaches, solutions, outlooks IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 P P Mukovoz; S A Peshkov; T V Levenets; A N Sizentsov; A B Kvitko; A P Glinushkin
In order to study the possibility of suppressing mycoses with fumigation pyrotechnic compositions, biologically active compositions were developed based on compounds synthesized according to original methods in the organic synthesis laboratory of the Federal State Scientific Institution "All-Russian Research Institute of Phytopathology", synthetic fungicides from the azole group, as well as natural
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Study on SDE Distribution of Forest Vegetation in China Based on Trapezoidal Grid Segmentation IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Youquan Jiao; Ji Feng
The trapezoidal grid segmentation of China was carried out at a scale of 1:10000 to form a grid system covering the Chinese mainland. Based on the standard deviation ellipse (SDE) distribution theory, seven major categories and 53 sub-categories of Chinese forest vegetation were studied respectively. The SDE distribution was obtained and the average area distribution rate of 51.75% major-category vegetation
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Analysis of dark matter based on space physics IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Ruijie Chen
Cosmological observations indicate that most of the matter in the universe is dark matter. Dark matter is neither ordinary baryonic matter, nor composed of any known particles of the standard model. It does not interact electromagnetically but does interact via gravity that affects various aspects of the structure of the universe. Three complementary methods including direct detection, indirect detection
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Research on Airport Foundation Settlement Deformation Monitoring Based on Gene Expression Programming IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Guo Guanming
As the carrier of the aviation industry, the airport is developing rapidly with the rapid development of the national economy and the overall progress of the society. With the aviation industry as the first industry in Jiangxi’s strategic emerging industries, Jiangxi is giving full play to the foundation and advantages of the aviation industry to make the aviation industry better, stronger and bigger
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General Relativity Testing in Exoplanetary Systems IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Xirui Gou; Xinyue Pan; Le Wang
In this work discuss the possibility of testing GR with a high degree of accuracy by observing the precession of perihelia in extrasolar planetary systems. Two approaches of measuring perihelion precession of exoplanets are considered- the radial velocity (RV) method and the transit method. In RV, the orbital parameters can be determined by fitting the observed RV curve, which is the reflex motion
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Temporal and Spatial Evolution Characteristics Analysis of Beijing Land Subsidence Based on InSAR IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Nijiati Muhetaer; Jie Yu; Yanbing Wang; Jiabao Yue
Land subsidence is one of the main geological disasters in the Beijing Plain. Accurate and quantitative monitoring of the evolution of land subsidence will help scientifically guide the prevention and control of land subsidence. We use PS-InSAR technology and TerraSAR 3m resolution images as our data source to study the temporal and spatial evolution characteristics of Beijing’s land subsidence from
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Analysis of Topography and Composition of the Von Krmn Impact Crater IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Jinlong Hou; Li Li; Shiwei Li
The Vo n Krmn impact crater in the Chang’E-4 landing area is located in in the Northwestern South Pole-Aitken (SPA) basin on the back of the Moon, and the analysis of its topography and compositional characteristics is essential for the landing of the probe and the exploration of the lunar surface, which plays a fundamental role in obtaining information on the geomorphology and geology of the lunar
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Cross-Comparison of Snow Albedo Products Derived from Satellite (Sentinel-2 and Landsat 8) Optical Data IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Yan Fan; Jie Yu; Wenting liu
Snow albedo is an important factor affecting global climate change. Due to the limitation of atmospheric conditions and cloud cover, remote sensing products of snow albedo have data missing and error uncertainty. In this study, based on the method of directly inverting the reflectance of the top of the atmosphere, the difference and accuracy of the snow albedo derived from the Sentinel-2 and Landsat
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Study on a feasible detection method based on acoustic characteristics of sea moon jellyfish IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Dan Wei; Qian Yang
In order to solve the problem of water intake clogging by jellyfish in cold source water area of nuclear power plant, a jellyfish detection method based on high-resolution multi beam imaging is proposed. The sea moon jellyfish detection experiment in real environment is carried out in the laboratory pool, and the echo characteristics of individual jellyfish are analyzed. In the experiment, the acoustic
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Research status and characteristics of advanced hydrocarbon trap evaluation IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Wei Wang; Guomin Chen; Kang Deng; Tangzhong Du; Lin Wang
Advanced hydrocarbon trap evaluation is crucial and necessary for the exploration target optimization decision. Its evaluation conclusion is verified by actual drilling results, so its research status has a direct impact on exploration benefits. This paper discusses the essence of advanced hydrocarbon trap evaluation that focuses on the development of quantitative and integration evaluation under the
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Analysis of the main factors affecting salinity in Wuliangsuhai Lake IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Xiaomin Chang; Shaoli Wang; Haorui Chen; Xiaoyan Guan
The identification and determination of the main influencing factors of lake salinity play a key role in the control measures and suggestions to prevent lake pollution. To ascertain the salinity status, its evolutionary trend in WL, and its impact on the lake, data describing water quality and the 10 major influencing factors for the period 2003–2012 were employed to analyze the evolutionary process
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Mineralogical characteristics of scheelite in the Xi’an tungsten deposit, western Hunan IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Jing Wen; Shufen Zheng; Xin Chu; Han Jiang; Yurong Zhao
The Xi’an tungsten deposit, located in the middle of Xi’an gold antimony tungest metallogenic belt, western Hunan, is an important tungsten deposit in South China. In order to places emphasis on mineralogy of the scheelite, based on the previous researches, using mineralogical, this dissertation documents the geological feature of the studied deposit. This study investigated the scheelite deposit is
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Exploration on the selection of Engineering Project coordinate system based on "Integration of multiple regulations" IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 LEI Yong; WANG Lihui; CHEN Zhu; REN Chuanjian; WANG Zhihong
In order to avoid the problem that the side length projection deformation value is too large in the process of "multi-gauge in one" coordinate system selection, different coordinate system methods are adopted for planning drawings and engineering construction respectively. In the process of planning, CGCS2000, is comprehensively adopted in the project construction, and the independent coordinate system
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Study on Extraction of Landslide Information Based on UAV Survey IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Zhiyuan Wang; Taosheng Huang; Xiaojun Bao; Shuai Ma; Cheng Sun; Gao Liu
Traditional analysis of landslide evolution discipline requires particular on-site investigation, which not only consumes a lot of manpower and material resources, but is also very inefficient. With the development of small drone aerial photography technology, a method based on the whole area landslide measurement becomes possible. This paper uses the rapid development of digital photogrammetry technology
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Analysis on the Abnormal Distribution of Large-scale Rainstorm in Guangxi Caused by typhoon Bailu (1911) IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Xiaoyan Huang; Li He; Ying Huang; Huasheng Zhao; Jian Jin
Typhoon "Bailu" of 1911 caused extensive rainstorms in Guangxi,and its rain intensity and distribution were abnormal. The rainstorm was mainly concentrated in the east and south, and the rainstorm belt was northeast-southwest. Many forecast products, including subjective and objective forecasts, showed deviations in the area and intensity of this rainstorm. The weather dynamic diagnosis and analysis
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Sea surface temperature prediction model based on long and short-term memory neural network IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Xiaojing Li
In response to the monitoring and forecasting of El Nino/La Nina phenomenon, This paper proposes a sea surface temperature prediction method based on long and short-term memory neural network for the average sea surface temperature in the NINO comprehensive area. This method uses the monthly anomaly sea surface temperature sequence for the mean sea surface temperature in the NINO Comprehensive area
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Research on Aerosol Retrieval Algorithm of Multi-parameter Optimization Model IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Jiabao Yue; Donghai Xie; Jie Yu; Lin Zhu; Zhengyang He
Aerosols can have an important impact on human society. Remote sensing method plays an important role in the aerosol retrieval. The aerosol retrieval SARA algorithm isn’t required a lot of prior knowledge and look-up table comparing with the traditional aerosol retrieval algorithms. However, the retrieval results of SARA algorithm are affected by the acquisition time differences and instability of
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On-time response of unexploded ordnance-like targets detection with transient electromagnetic system IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Jun Hao; Shuang Zhang; Shudong Chen
Time-domain electromagnetic induction method including on-time and off-time illumination is widely developed in unexploded ordnance (UXO) detection. The secondary field response detected in off-time is almost ineffective for targets with small size and great depth due to fast signal attenuation and low signal-to-noise ratio at late stage. In this paper, the on-time response for UXO detection with TEM
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Fitting Atmosphere Temperature of 20th Century in 49 European Capitals using Random Walk Model IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Shaomin Yan; Guang Wu
The 20th century has been witnessed with the rise of global temperature due to CO2 emission since the industrial revolution. The global warming is observed around the world, and the governments take measures to reduce CO2 emission to combat the rise of temperature. The temperature profile has been mainly modelled at global level. Yet, it necessarily models the temperature in cities because each city
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Numerical Investigation on the Barrier Dam Risk Caused by Landslide-A Case Study on Caijiaba Landslide IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 ZENG Nianchang; LIU Bolong; XIE Junning
To research the risk of barrier dam induced by landslide, Caijiaba landslide was studied as an example in the present study. The burst risk was assessed as well. To begin with, the region scope of quasi-landslide was obtained by stability calculation. Then the landslide process is analyzed by Partical Flow Code (PFC3D). On the basis of the numerical simulation results, the forming mechanism and motion
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Transfer analysis of land-use type gravity center based on Landsat data - A case study of Zhoushan, China IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Huixin Chen; Chao Chen
Based on the Landsat images of 7-time phases from 1984 to 2016, this paper analyzes the center of gravity transfer of land types in Zhoushan City, China. The research shows that the center of gravity migration distances of construction land, forest land, water, tidal flats, cultivated land/grassland and bare land are 1.80km, 0.37km, 4.27km, 3.84km, 0.55km and 1.60km respectively. The construction land
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The Acceleration of the Gravitational Wave Events Through the Circumbinary Disk Around Two Inspiraling Black Holes IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Jiachen Nie; Ning Cao; Xinghan Chen
The observation of gravitational wave opens a new window for both physics and astrophysics. Among the models of the formation of binary black holes (BHs), some suggest the existence of circumbinary disk, which may provide the material to ignite the electromagnetic radiation observable to modern astronomical facilities. In this work, we investigate the consequences of such circumbinary disk, with an
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Electromagnetic Signal from a Circumbinary Gas Disk Around Merging Binary Black Holes IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Zhuoyun Huang; Haoran Yu
The detection of gravitational waves (GW) is a major achievement in physics and astrophysics. Up to now, more than 30 GW events resulting from the merger of compact celestial bodies have been observed by LIGO and VIRGO. Because electromagnetic radiation is the main method for studying astrophysical processes, whether physics can be combined with astronomy depends on whether the corresponding body of
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The Formation of Supermassive Black Holes at Early Universe IOP Conf. Ser. Earth Environ. Sci. Pub Date : 2021-02-20 Zhi Cao
The high-redshift universe is now the frontier of modern astronomy, and is the key object for current and near-future telescopes. The high-redshift quasars put a tight constraint on existing BH growth model, as it is challenging to form a 1010 M⊙ BH at z∼6. In this work, we relax the widely-adopted Salpeter BH growth model, to consider a more realistic path. We consider the variation in the mass and