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Hydraulic conductivity and multi-scale pore structure of polymer-enhanced geosynthetic clay liners permeated with bauxite liquors Geotext. Geomembr. (IF 5.2) Pub Date : 2023-09-28 Xing Chen, Yu Tan, Jiannan Chen, Daoping Peng, Tao Huang, Chunxiao Meng
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Enabling technologies for remote and virtual inspection of building work Autom. Constr. (IF 10.3) Pub Date : 2023-09-27 Sajjad Einizinab, Kourosh Khoshelham, Stephan Winter, Philip Christopher, Yihai Fang, Eric Windholz, Marko Radanovic, Songbo Hu
Emerging remote inspection technologies are addressing the challenges of conventional building work inspections by reducing time, cost, and safety risks for inspectors, while also improving overall effectiveness. These technologies involve data collection, information extraction, and compliance checks, highlighting the need for a comprehensive understanding to enable the adoption of more efficient
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Thermal analysis of sustainable and micro-filler Basalt reinforced polymer biocomposites for lightweight applications J. Build. Eng. (IF 6.4) Pub Date : 2023-09-29 Praveenkumara Jagadeesh, Sanjay Mavinkere Rangappa, Madhu Puttegowda, Indran Suyambulingam, Suchart Siengchin
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Cement-based ductile rapid repair material modified with self-emulsifying waterborne epoxy J. Build. Eng. (IF 6.4) Pub Date : 2023-09-29 Bo Pang, Chen Yang, Penggang Wang, Li Tian, Bo Mei, Xiaoyun Song
Ordinary silicate cement repair materials are slow to set and harden, have low early strength, and cannot meet the demands of rapid repair, and the disadvantage of brittleness after repair is obvious. Calcium sulfoaluminate cement (CSA) is more suitable for use as a cementitious material for rapid repair materials due to its fast hardening and early strength characteristics, but this cementitious material
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Fuzzy model for predicting the strength of mortars made with Pozzalani cement and volcanic sand from electrical resistivity J. Build. Eng. (IF 6.4) Pub Date : 2023-09-29 Francisco-Javier Gutiérrez-García, Silvia Alayón-Miranda, Eduardo González-Díaz
Coating mortars act as a physical barrier to protect the load-bearing structure against corrosion. However, not all mortars have the same protective capacity. Hydration in the early ages of manufactured mortars is a very influential parameter in their electrical resistivity values and in the evolution of their mechanical performance. In this work, the electrical resistivity data and its relationship
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Influence of high-temperature exposure on the properties of gypsum-plastic waste composites: Thermophysical and microstructural analysis J. Build. Eng. (IF 6.4) Pub Date : 2023-09-29 M.I. Romero-Gómez, M.F. Costa-Pereira, A.P. Soares Dias, I. Flores-Colen
Gypsum plasters are a versatile material with a wide range of applications due to their fireproof, thermal, hygroscopic, and acoustic properties. They are commonly used as a coating material to provide passive protection to structural components. Moreover, the construction sector recognizes the potential for gypsum material to address the issue of plastic waste by offering a recycling solution. However
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An optimal multi-objective demand side management of a smart Microgrid consists of various building loads, considering relativity index and uncertainty J. Build. Eng. (IF 6.4) Pub Date : 2023-09-29 Jing Wang, Jingchuan Du, Donghui Luo, Xiaoqin Liu, Sanam Saeid Nahaei
This paper addresses microgrid energy management in the presence of distributed generation and active loads while accounting for operational, economic, environmental, and reliability factors. The objective is to minimize the cost of shutdown during N-1 contingencies, projected emission-related expenses, and the overall operational cost of microgrids integrated with distributed generations. A stochastic
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Development of angular-shaped lightweight coarse aggregate with low calcium fly ash using autoclave curing - Experimental and microstructural study J. Build. Eng. (IF 6.4) Pub Date : 2023-09-28 Sandeep Singh, Satyajit Patel
Synthesizing coarse aggregate using fly ash is a sustainable way to simultaneously solve the problems of its disposal and scarcity of natural aggregates. A novel technique is proposed in the present study to manufacture angular shaped fly ash aggregate from low calcium fly ash which involves a compaction-extrusion for agglomeration and autoclave or water bath curing for hardening. Cylindrical specimens
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Potential evaluation of energy flexibility and energy-saving of PCM-integrated office building walls J. Build. Eng. (IF 6.4) Pub Date : 2023-09-28 Yuanyuan Dong, Ling Zhang, Pengcheng Wang, Zhongbing Liu, XiaoSong Su, Hongjing Liao, Xiangyang Jiang
Building energy flexibility is important for reducing peak-to-valley differences in air-conditioner loads. Integrating phase change material into office building envelopes and precooling can effectively reduce peak load, but precooling may increase total energy consumption. Therefore, it is imperative to investigate its energy flexibility and energy consumption features. In present work, a heat transfer
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Assessment of the thermal resistance of novel roof structures incorporating nano-Phase Change Materials capsules under the influence of an external magnetic field J. Build. Eng. (IF 6.4) Pub Date : 2023-09-28 L.M.Q. Nguyen, Bader Alshuraiaan, Ahmad Hajjar, Mohsen Izadi, Mohamed Moussa El Idi
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Influence of pore structure characteristics on the gas permeability of concrete J. Build. Eng. (IF 6.4) Pub Date : 2023-09-28 Wei Chen, Kangling Li, MengMeng Wu, DingDan Liu, Peng Wang, Yue Liang
The permeability of concrete is a key factor in determining its durability. Permeability of porous materials in general is determined by pore characteristics (e.g., porosity, pore size distribution, tortuosity, etc.). In this investigation, we attempted to observe the relationship between the pore characteristics and the permeability of concrete. Nuclear magnetic resonance (NMR), mercury intrusion
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Influence of sugarcane bagasse ash on mechanical properties of geopolymer concrete J. Build. Eng. (IF 6.4) Pub Date : 2023-09-28 V. Vanathi, V. Nagarajan, P. Jagadesh
Portland cement is a crucial component of building and construction projects; however, its production emits harmful pollutants and contributes to climate change. The indiscriminate disposal of waste materials can also negatively impact the environment. This study aims to utilize agricultural and industrial waste materials for the production of Geo Polymer Concrete (GPC). Sugarcane bagasse was burned
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Fiber fraction-dependent flexural behavior of high-performance fiber-reinforced concrete under static and repeated loading J. Build. Eng. (IF 6.4) Pub Date : 2023-09-28 Thi-Ngoc-Han Vuong, Tan-Khoa Nguyen, Duy-Liem Nguyen, Huy-Viet LE, Ngoc-Thanh Tran
The effect of the fiber volume fraction on the flexural behavior of high-performance fiber-reinforced concrete (HPFRC) under both static and repeated loading is highlighted through a series of experiments. All rectangular prism-shaped flexural specimens were 40 × 40 × 160 mm3 and subjected to a three-point bending (3PB) fixture with a span length of 120 mm. Macro-hooked and micro-smooth steel fibers
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Experimental study on bond performance between UHPC and steel bars J. Build. Eng. (IF 6.4) Pub Date : 2023-09-28 Ruilong Wang, Biao Ma, Xu Chen
This study presents the pullout experiments investigating the bond performance between steel bars and UHPC, which is becoming more significant due to the increasing utilization of UHPC as connection in precast concrete structures. Various parameters are considered in the experiments, including the bond length (l), steel diameter (d), and volume fraction of steel fibers in UHPC. Particularly, the current
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Identifying Rural High Energy Intensity Residential Buildings Using Metered Data Energy Build. (IF 6.7) Pub Date : 2023-09-29 Diba Malekpour Koupaei, Kristen Cetin, Ulrike Passe, Anne Kimber, Cristina Poleacovschi
The residential housing stock in rural areas of the U.S. is often older and less energy-efficient than homes built in urban areas. To characterize the energy performance of these buildings and facilitate their energy efficiency upgrades, this study provides a framework for analyzing building energy time-series data to identify buildings with similar temporal energy performance patterns. Using an unsupervised
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Benchmarking the energy performance of European commercial buildings with a bayesian modeling framework Energy Build. (IF 6.7) Pub Date : 2023-09-29 Horace Guy, Simon Vittoz, Giulia Caputo, Thimothée Thiery
Existing data and modelings on the actual energy consumption of buildings struggle at giving a clear and unified view of the European commercial building stocks. This paper contributes to this issue by analyzing the 2021 consumption data of more than 20000 commercial buildings spread across Europe. A bayesian multilevel modeling that predicts the full distribution of final energy use intensity of commercial
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Resolving Indoor Shortwave and Longwave Human Body Irradiance Variations for Mean Radiant Temperature and Local Thermal Comfort Energy Build. (IF 6.7) Pub Date : 2023-09-29 Miaomiao Hou, Dorit Aviv, Arnab Chatterjee, Eric Teitelbaum, Mohamad Rida, Forrest Meggers, Dolaana Khovalyg
A spatially and directionally resolved longwave and shortwave radiant heat transfer model is presented via a series of experiments in a thermal lab to input surface temperatures and geometries, as well as skin temperature readings from a human subject, in order to test mean radiant temperature (MRT) and thermal comfort results for the person. Combining novel scanning and thermography methods together
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Ground-source heat pumps (GSHPs): Materials, models, applications, and sustainability Energy Build. (IF 6.7) Pub Date : 2023-09-29 Hussein M. Maghrabie, Mahrousa M. Abdeltwab, Mohamed Hamam M. Tawfik
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A newly developed blasting cut in tunnels; application of “combined method” in small to medium-sized tunnels Tunn. Undergr. Space Technol. (IF 6.9) Pub Date : 2023-09-28 Prabhu Kumar, Hasan Mohammadi, Rajesh Chopra, Sanjeev Kumar Tyagi, Sujeet Kumar Pandey
Drilling and blasting method have been widely used for driving tunnels in hard rock. When designing a blast operation especially in case of long tunnels, the primary objective of contractors is to ensure optimized blast parameters for achieving the most economical and time-saving technique of excavation. Choosing a proper blasting cut has a crucial role in the successfulness of the whole blast round
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Developing an occupant-centric smart home thermostat with energy-saving and comfort-improving goals Energy Build. (IF 6.7) Pub Date : 2023-09-28 Maohui Luo, Qichun Zheng, Ye Zhao, Fei Zhao, Xiang Zhou
Occupant-centric smart thermostats (OCST) are believed to be able to improve energy efficiency and thermal comfort but their development and implementation are challenging. This study introduces the design of an OCST, highlighting its temperature control logic, heating and cooling energy-saving, and comfort improvement. A human-machine interaction interface was designed allowing occupants to conveniently
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The Sereine test: advances towards short and reproducible measurements of a whole building heat transfer coefficient Energy Build. (IF 6.7) Pub Date : 2023-09-28 Sarah Juricic, Mickaël Rabouille, Arnaud Challansonnex, Arnaud Jay, Simon Thébault, Simon Rouchier, Rémi Bouchié
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From home energy management systems to communities energy managers: The use of an intelligent aggregator in a community in Algarve, Portugal Energy Build. (IF 6.7) Pub Date : 2023-09-26 I.L.R. Gomes, M.G. Ruano, A.E. Ruano
This paper describes the development of community energy management systems (CEMS). A CEMS allows optimal energy sharing within energy communities, as it is a central system that makes the global management of the entire community. The proposed CEMS is based on mixed-integer linear programming (MILP), operating under the receding horizon concept of Model Predictive Control (MPC). A systematic classification
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Auxetic cementitious cellular composite (ACCC) PVDF-based energy harvester Energy Build. (IF 6.7) Pub Date : 2023-09-27 Jinbao Xie, Yading Xu, Zhi Wan, Ali Ghaderiaram, Erik Schlangen, Branko Šavija
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Extended efficient convolutional neural network for concrete crack detection with illustrated merits Autom. Constr. (IF 10.3) Pub Date : 2023-09-27 Ronghua Fu, Maosen Cao, Drahomír Novák, Xiangdong Qian, Nizar Faisal Alkayem
An efficient convolutional neural network (CNN), called EfficientNetV2, was recently developed. The early blocks of EfficientNetV2 have structural characteristics that lead to higher training speeds than state-of-the-art CNNs. Inspired by EfficientNetV2, extended research was conducted in this study to determine whether the early, middle, and late blocks of CNNs should have respective structural characteristics
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Knowledge-driven inference for automatic reconstruction of indoor detailed as-built BIMs from laser scanning data Autom. Constr. (IF 10.3) Pub Date : 2023-09-27 Biao Xiong, Yusheng Jin, Fashuai Li, Yuwei Chen, Yiquan Zou, Zhize Zhou
In spite of recent advances, a significant disparity between automatically reconstructed building information models (BIMs) and real scenes persists, particularly within complex indoor environments. With this objective in mind, a knowledge-driven as-built BIM reconstruction method is proposed, which employs laser scanning point clouds and panorama images. Initiation of the method involves the segmentation
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An artificial intelligence (AI)-driven method for forecasting cooling and heating loads in office buildings by integrating building thermal load characteristics J. Build. Eng. (IF 6.4) Pub Date : 2023-09-28 Jing Zhao, Xiulian Yuan, Yaoqi Duan, Haonan Li, Dehan Liu
Due to the thermal inertia of building envelope and random uncertainty of occupant behaviors, real-time and accurate forecasting for building cooling and heating loads is not easy to implement. It requires not only favorable modeling methods, but also attention to the intrinsic cause analysis of loads. However, most previous studies have focused more on the improvement of forecasting algorithms, lacking
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How individuals sense environments during indoor emergency wayfinding: An eye-tracking investigation J. Build. Eng. (IF 6.4) Pub Date : 2023-09-28 Meiqing Fu, Rui Liu, Qipeng Liu
Emergency wayfinding is a critical aspect of indoor evacuations. People typically rely on environmental cues to determine their location and navigate their way. However, there is limited exploration into how individuals perceive their surroundings during emergency wayfinding. Through a virtual reality (VR) controlled experiment integrated with eye-tracking, this study explores how individuals sense
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Simplified model for estimating the neutral pressure level in the elevator shaft of a building J. Build. Eng. (IF 6.4) Pub Date : 2023-09-28 So-Yi Park, Dong-Seok Lee, Kyung-Hwan Ji, Jae-Hun Jo
This paper presents a simplified model for estimating the locations of the neutral pressure levels (NPLs) in elevator shafts. The proposed model considers the mass balance of airflow based on the vertical zoning of the elevator shafts. To verify this model, the heights of the NPLs and pressure distributions as estimated by the model for three high-rise buildings with different shaft zoning plans were
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Experimental study on self-centering steel connections based on phased energy dissipation mechanism J. Build. Eng. (IF 6.4) Pub Date : 2023-09-27 Ying Qin, Ji-Teng Yin, Ke-Xue Zhao, Gan-Ping Shu
Traditional steel beam-column connections and column bases often experience yield or buckling, which makes repair difficult. The recent development of resilient seismic structures has addressed this issue. Resilient seismic structures can achieve self-centering functionality through prestressed steel strands and dissipate energy through energy dissipation elements, while protecting the main components
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Predicting Passivhaus certification of dwellings using machine learning: A comparative analysis of logistic regression and gradient boosting decision trees J. Build. Eng. (IF 6.4) Pub Date : 2023-09-27 Yusheng Du, Zhonghua Gou
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The use of treated desert sand in sustainable concrete: A mechanical and microstructure study J. Build. Eng. (IF 6.4) Pub Date : 2023-09-26 Hussein M. Hamada, Farid Abed, Zaid A. Al-Sadoon, Zeinah Elnassar, Arhum Hassan
Desertification stands as a major global issue, while the scarcity of renewable energy sources continues to be a growing concern. To address these challenges, the use of desert sand as a fine aggregate in sustainable concrete has been explored. Desert sand offers numerous advantages such as environmental protection, cost savings, and energy efficiency. This paper examines the impact of treated desert
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An analytical model of stack ventilation in a shaft with controllable air volume J. Build. Eng. (IF 6.4) Pub Date : 2023-09-26 Kun Zheng, Wei Xu, Angui Li, Changqing Yang, Lu Chen, Jiaxing Li
This work investigates a stack ventilation system in a shaft with controllable air volume suitable for large public buildings, which can adjust natural ventilation volume on demand and avoid heat loss in winter. The driving force and resistance of this system was analysed, a correction coefficient C0 for air confluence in the shaft was proposed based on the local resistance of a confluent T-junction
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Effect of diagonal bamboo strips on seismic behavior of sprayed composite mortar-original bamboo composite walls: An experimental study J. Build. Eng. (IF 6.4) Pub Date : 2023-09-23 Ji-Ping Hao, Zhou-Peng Cai, Yue-Feng Kou
In the context of China's pursuit of carbon neutrality and carbon peaking, there is a growing demand for green buildings and environmentally-friendly construction materials. In this regard, bamboo structures offer significant potential for development. One promising option is the sprayed composite mortar-original bamboo composite structure system, which exhibits good load-bearing capacity, insulation
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Multi-functional monodispersed SiO2–TiO2 core-shell nanostructure and TEOS in the consolidation of archaeological lime mortars surfaces J. Build. Eng. (IF 6.4) Pub Date : 2023-09-23 Abdelrhman Fahmy, Anna Gołąbiewska, Wiktoria Wojnicz, Alicja Stanisławska, Jakub Kowalski, Justyna Łuczak, Adriana Zaleska-Medynska, Salvador Domínguez-Bella, Javier Martínez-López, Eduardo Molina-Piernas
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Enhancement in toughness of cement pastes by chitosan modified with polyacrylic acid (CS/PAA): Microstructure evolution and molecular dynamics J. Build. Eng. (IF 6.4) Pub Date : 2023-09-24 Chang Gao, Jinhui Tang, Zhenya Meng, Yang Chu, Jiale Huang, Fangyu Han, Jiaping Liu
This paper presents the preparation and utilization of chitosan modified with polyacrylic acid (CS/PAA), which possesses abundant hydroxyl, carboxyl, and amide functional groups, to examine its impact on the mechanical properties and hydration process of cement paste, as well as the morphology of hydration products, particularly portlandite.The results show that the addition of CS/PAA can extend the
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Ultra-high performance concrete versus ultra-high performance geopolymer concrete: Mechanical performance, microstructure, and ecological assessment J. Build. Eng. (IF 6.4) Pub Date : 2023-09-26 Mohamed Abdellatief, Mohamed Abd Elrahman, Aref A. Abadel, Muhammad Wasim, Ahmed Tahwia
UHPC is a modern cement-based composite with exceptional mechanical characterizations and durability, while also being a high-cost and unsustainable composite. Therefore, ultra-high performance geopolymer concrete (UHPGC) was developed to achieve similar mechanical performance with more economic and ecological benefits. In this study, the engineering characteristics of UHPGC were compared to those
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Cyclic test evaluation of double skin composite hybrid coupled wall with frictional steel truss coupling beams J. Build. Eng. (IF 6.4) Pub Date : 2023-09-25 Dan Xu, Yao Cui, Jia-Bao Yan, Bing-quan Xiang, Hang-hang Liu, Yuan-de Lei, Tao Wang
The seismic performance of double skin composite shear walls (DSCSWs) has significant superior to conventional reinforce concrete (RC) shear walls. Previous studies have neglected the changes of axial compressive forces and bending moments actting on the top of wall piers. In addition, behaviors hybrid coupled wall (HCW) under real boundary condition have not been fully investigated. Thus, in this
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Performance and strength analysis of shear walls with vertical steel encased profiles under tensile-shear load J. Build. Eng. (IF 6.4) Pub Date : 2023-09-23 Xiao-jun Ke, Zhen Huang, Qi-bin Wang, Chun-li Meng
This study investigates the behavior of composite steel reinforced concrete (SRC) walls under tension-shear (TS) coupled stress state during earthquakes. Quasi-static tests on five SRC shear walls with a shear span ratio of 1.42 were conducted. The experimental results demonstrated that the SRC shear wall retained its high shear capacity and good ductility in shear failure mode. The stiffness analysis
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Experimental and numerical investigation of the thermal performance of phase-change module using built-in electrical heating Energy Build. (IF 6.7) Pub Date : 2023-09-28 Dongyin Niu, Tiantian Zhang, XueDan Zhang, Yufei Tan, Wensheng Zhang
In this investigation, a new type of CaCl2·6H2O/expanded graphite(EG) form-stable composite phase change material (PCM), with suitable latent heat, high heat conductivity and small overcooling degree, was prepared. And this novel PCM based phase change module that store heat using electricity heating were designed and manufactured. The modules' heat storage and discharge capabilities were investigated
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Minimizing pathogen transmission through indoor environment optimization using central composite design of experiment Energy Build. (IF 6.7) Pub Date : 2023-09-27 Stanferd Jenta Sanada, Mohamad Nur Hidayat Mat, Wong Ken Yinn, Siti Najiah Rosminahar
The human respiratory emission mechanism generates virus particles such as the COVID-19 virus that exists in both aerosols and water droplets form. Trajectories of airborne pathogens transmitted from coughing are influenced by the air flow pattern surrounding the transmission source, making it challenging to predict. ANSYS Fluent 2022 R1 is employed in this study to visualize the airborne pathogen
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Heat dissipation models by convection and radiation during the real-time operation of office equipment: A case study of computers Energy Build. (IF 6.7) Pub Date : 2023-09-27 Ruonan Li, Jili Zhang
For the reduction of building energy consumption and the higher operation efficiency of air-conditioning systems, dynamic heat dissipation of equipment by convection and radiation need to be precisely quantified, and the reasons are twofold: On the one hand, they accounted for approximately 20% of the cooling demand of office buildings; On the other hand, they are necessary for depicting the heat storage-release
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Cheaper radiative cooling paint by milling larger glass bubbles Energy Build. (IF 6.7) Pub Date : 2023-09-25 Xinxian Yu, Hoi Fung Ronaldo Chan, Can Xiao, Chun Chen
Radiative cooling technology potentially can be applied to buildings to reduce cooling energy consumption. One general approach to making radiative cooling paints is to mix polymers with reflective materials. However, the high cost of materials has limited the large-scale application of radiative cooling in real scenarios. In this work, we propose another method to make high-performance radiative cooling
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Enhancing self-consumption for decarbonization: An optimization strategy based on a calibrated building energy model Energy Build. (IF 6.7) Pub Date : 2023-09-25 José Eduardo Pachano, María Fernández-Vigil Iglesias, Antonis Peppas, Carlos Fernández Bandera
To face the challenge of climate change and achieve the decarbonization target set by the European Union, the current trend is to electrify building services, replacing the use of fossil fuels for renewable energy sources. The installation of grid-connected photovoltaic (PV) systems is becoming a popular strategy. However, the widespread application of PV solutions carries certain concerns about grid-network
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Thermal adaptation of southern migrants to the district heating environment in the severe cold area, China: A longitudinally traced investigation Energy Build. (IF 6.7) Pub Date : 2023-09-24 Yuxin Yang, Zhaojun Wang, Fanzhuo Zhou, Heyu Hao, Chang Liu
Preference for thermal environments is affected by the thermal histories on their own. A deeper understanding of human thermal adaptation to create comfortable and energy-saving environments is desired. To study the differences in thermal responses of southern migrants and northern locals to district heating environments, a longitudinally traced investigation was performed in the severe cold area,
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Dynamic performance of the Mosque-Cathedral of Córdoba under different earthquake scenarios: The Abd al-Rahman I sector J. Build. Eng. (IF 6.4) Pub Date : 2023-09-27 M.V. Requena-Garcia-Cruz, E. Romero-Sánchez, A. Morales-Esteban
The Mosque-Cathedral of Córdoba is one of the most important monuments in Spain. Owing to its authenticity, its integrity and its influence on later architecture, it was declared as a World Heritage Site by the UNESCO in 1984. The monument is located in Andalusia, in southern Spain. This region presents a moderate seismic hazard, and it is affected by two kinds of seismic sources: a) far away earthquakes
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Visual interpretation of deep deterministic policy gradient models for energy consumption prediction J. Build. Eng. (IF 6.4) Pub Date : 2023-09-27 Huixue Wang, Yunzhe Wang, You Lu, Qiming Fu, Jianping Chen
Accurate prediction of energy consumption is pivotal to achieving sustainable building energy objectives, and Deep Reinforcement Learning (DRL) has demonstrated efficacy in this regard. Nevertheless, efficient model training within DRL remains challenging for practitioners due to the need for expertise in Reinforcement Learning (RL) and parameter tuning. Moreover, the invisible mechanism of DRL models
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Hysteretic behaviors of steel framed-tube structures with end-plate-connected shear links using finite element modeling J. Build. Eng. (IF 6.4) Pub Date : 2023-09-27 Hao Zhang, Yong Liang, Mingzhou Su, Ming Lian
Shear links are increasingly used as replaceable energy dissipating elements to achieve resilient structural systems. In this study, the seismic performances of steel framed-tube structures with end-plate-connected low-yield-point steel shear links (SFTS-EPC-LYPSLs) were investigated using finite element analysis (FEA) models informed by cyclic loading tests of LYP225 steel coupons and validated against
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Generative design: Integrating rent and retail compatibility goals for automated tenant mix layout J. Build. Eng. (IF 6.4) Pub Date : 2023-09-27 Zeqing Wu, Kexin Ran, Hongyue Lv, Ting-Kwei Wang
Tenant mix is a central issue in the development and operation of shopping malls. An effective tenant layout can enhance the consumer experience and increase shop sales. So it is crucial to comprehensively consider the rent and retail compatibility when crafting the tenant mix. Developers mainly considered the rent income from anchor and non-anchor tenants. But many studies ignored the externality
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Discrete sizing optimization method based on dividing rectangles algorithm and local response surface for steel frame structures J. Build. Eng. (IF 6.4) Pub Date : 2023-09-27 Yinyuan Wan, Bo Hu, Ye Yang, Fengling Jin, Jianlu Zhou, Boqing Gao
It has always been the goal of structural engineers to construct safe and stable buildings using the least amount of materials. Utilizing a quick and effective way to optimize the cross-section size is crucial because conventional building design methods are impacted by the designers' knowledge, and it is challenging to prevent material waste. Due to its implicit optimization function, discrete design
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Health effects of PM2.5 emissions from woodstoves and fireplaces in living spaces J. Build. Eng. (IF 6.4) Pub Date : 2023-09-27 Nuno R. Martins, Guilherme Carrilho da Graça
Increased exposure to airborne fine particle pollution (PM2.5) can result in decreased life expectancy (DLE). However, while wood-burning in woodstoves and fireplaces for domestic space heating is a major source of indoor and outdoor PM2.5, the emission factor of PM2.5 into the occupied space was unknown for use periods of 3–4 h, as was the resulting DLE. This paper presents a three-phase analysis
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Shaking table test on irregular and complex connected structure J. Build. Eng. (IF 6.4) Pub Date : 2023-09-25 Dongdong Zheng, Hongchao Guo, Xinlei Mao, Yunhe liu, Wenqi Wang
Affected by the external environment, it is easy to cause complex and irregular problems in the building structure, bringing new safety hazards to the seismic resistance of the structure. Based on the background of the east building of the railway station with cross ground crack, the seismic performance of irregular and complex connected structures under different seismic intensities was analysed.The
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Advanced soft computing techniques for predicting punching shear strength J. Build. Eng. (IF 6.4) Pub Date : 2023-09-22 Minh-Tu Cao
Accurate prediction of punching shear strength is crucial for ensuring the structural integrity and safety of reinforced concrete (RC) flat slab-column connections. However, estimating punching shear strength in complex configurations, such as RC flat slabs, remains a challenging task due to intricate interactions between various parameters. To address this challenge, this study introduces an innovative
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Influence of polypropylene fibers on the mechanical properties of radiation shielding concrete with barite aggregates J. Build. Eng. (IF 6.4) Pub Date : 2023-09-23 Qinghe Wang, Yucheng Wang, Bo Zhou, Liangzhi Wang, Yanfeng Fang, Suning Xu
The brittleness of barite aggregates leads to inferior strength and toughness of radiation shielding concrete with barite aggregates (RSBC), which limits its application in high-pressure and high-heat nuclear engineering. This study aims to investigate the influence of polypropylene fibers on the mechanical properties of RSBC, and the effects of fiber type (PR40 and TMA20) and fiber content (3–9 kg/m3)
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Scheduling optimization of shared energy storage station in industrial park based on reputation factor Energy Build. (IF 6.7) Pub Date : 2023-09-27 Zhixiang Cao, Minghao Zhang, Chao Zhai, Yi Wang
Distributed photovoltaics (PVs) installed in industrial parks are important measures for reducing carbon emissions. However, the consumption level of PV power generation in different industries varies significantly, and it is often difficult to consume 100% of the PV power generation. The shared energy storage station (SESS) can improve the consumption level of PV power generation. In this study, a
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Behavioral energy efficiency with environment sensors: a case in Hong Kong Energy Build. (IF 6.7) Pub Date : 2023-09-27 Jia Du, Wei Pan
Feedback is one of the most effective behavioral interventions. However, four issues, namely, the complex feedback strategies, the cost inefficiency, the onefold feedback information, and the unclear behavioral change mechanism, impeded the application of feedbacks for energy conservation in residential buildings. This study looked into the counterpart of existing feedback systems, i.e., simple in-home
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Economical Sustainability Of Vertical Greeneries In Tropical Climate Energy Build. (IF 6.7) Pub Date : 2023-09-26 G.D.C. Jayakody, K.G.N.H. Weerasinghe, G.Y. Jayasinghe, R.U. Halwatura
Vertical greening is recognized as a fascinating integration in enhancing urban environmental quality and living standards. A research series was initiated with the aim of implementing a Vertical Greening System (VGS) to achieve the maximum benefit in terms of thermal performance in Tropical Sri Lankan context. However, it is unknown if vertical greeneries are economically sustainable. The current
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Two algorithms for reconstructing vertical alignments exploring the neural dynamics model of Adeli and Park Comput. Aided Civ. Infrastruct. Eng. (IF 9.6) Pub Date : 2023-09-26 Zhanfeng Song, Jinye Chen, Paul M. Schonfeld, Jun Li
Vertical alignment reconstruction obtains alignment parameters by fitting geometric components to a set of measured points representing the profile of an existing road or railroad, which is essential in alignment consistency analysis and maintenance to ensure safety and comfort. The neural dynamics model of Adeli and Park is explored and improved for reconstructing vertical alignments with constraints
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A deep-learning framework for classifying the type, location, and severity of bridge damage using drive-by measurements Comput. Aided Civ. Infrastruct. Eng. (IF 9.6) Pub Date : 2023-09-26 Robert Corbally, Abdollah Malekjafarian
This paper proposes a new deep-learning framework for drive-by bridge condition monitoring. The proposed approach represents a bridge monitoring regime that enables the presence, type, location, and severity of bridge damage to be identified purely from measurements taken on a passing vehicle, without needing any pre-measured training data. The computational framework adopts a numerical vehicle–bridge
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Research on the critical chloride content of reinforcement corrosion in marine concrete — A review J. Build. Eng. (IF 6.4) Pub Date : 2023-09-26 Maohua Zhang, Shanghui Sun, Ke Liu, Tao Li, Haixu Yang
Cl− erosion is the main cause of reinforcement corrosion in marine concrete. Research on the critical chloride content of reinforcement corrosion in marine concrete has continued from the last century to the present and is ongoing. Since the concept of critical chloride content was proposed, although there have been numerous studies, most people still understand the critical chloride content at a superficial
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Early implementation of the sustainable development goals in construction projects: A Danish case study J. Build. Eng. (IF 6.4) Pub Date : 2023-09-26 Anne N. Gade, Aysar D. Selman
The 2030 Agenda is an ambitious step towards sustainable development for the construction industry, which holds great potential for contributing to the Sustainable Development Goals (SDGs). However, challenges remain regarding the implementation of the goals. This study aims to investigate the level of integration of the SDGs at an early stage of a new school and kindergarten project in Denmark, which