ABSTRACT Although the modular construction method is safer than traditional onsite construction methods, accidents still occur; therefore, modular projects have characteristic safety risks. This study investigated accident cases related to modular construction and identified the safety risk factors. The study evaluated accident cases related to modular construction that occurred in the United States

Abstract This paper attempts to propose the characteristics of artificially intelligent architectural design through the case studies of the Festival Plaza (Japan World Exposition Osaka 1970), Center Pompidou and Sendai Mediatheque and studies the handling of information, communication and feedback processes in these suggestive cybernetic environments. First section of this paper analyzes Center Pompidou

Abstract This paper attempts to propose the characteristics of artificially intelligent architectural design through the case studies of the Festival Plaza (Japan World Exposition Osaka 1970), Center Pompidou and Sendai Mediatheque and studies the handling of information, communication and feedback processes in these suggestive cybernetic environments. First section of this paper analyzes Center Pompidou

ABSTRACT In machiya architecture, a mise is a room between the street front and house’s inner area for commercial use. Between the mise and street front, front fittings, such as shutters, sliding doors and lattice-work are fixed, and the eaves are extended to cover the outside of the mise. This paper surveys seventeenth-century townhouses with a focus on the spatial relationship among the mise, doma

This study succeeded an experimental investigation of the authors’ previous studies in which L-shaped dry mechanical joints were developed and tested to demonstrate an applicability to precast concrete frames. In their early study, use of L-shaped dry mechanical joints assembling precast concrete frames was verified both experimentally, demonstrating all structural components at joint experimentally

ABSTRACT Smart construction utilizes the latest IoT “smart” technologies, such as Cyber-Physical Systems, to aid in construction processes. A Cyber-Physical System (CPS) is an amalgamation of computation, networking and physical objects. There are various examples of CPS being employed in sectors varying from manufacturing, robotics, and smart cities. Where the application and literature are lacking

This paper examines the task distribution of design teams in the Japanese architectural projects by comparing them to the equivalent projects in the U.K. and the U.S. The research is divided into two stages. First, architectural projects are analyzed to see how design tasks are distributed among specialized design teams, such as architects, engineers, and a variety of specialized experts. In the U

Abstract The study, which consists of a pair of articles, covers the reconstruction process of a traditional masonry-wooden mansion structure, which was built based on the Turkish house typology on the historical peninsula of Istanbul in the 1880s, and was then intentionally demolished in 1948. The paper, which constitutes the second part of the study, presents reconstruction operation in the location

Abstract Socio-cultural factors are amongst the most prominent forces that reshape the development of housing in Qatar, namely when considering its vernacular architectural history. The research study uses space syntax analysis supported by other simulation and visualization techniques to examine the extent to which socio-cultural patterns influence the spatial form of traditional Qatari houses. The

Abstract This study was conducted to develop a corner-supported auto-climbing formwork system (CS-ACS) that uses steel plates installed at the corners as support points in connection with the development of a steel-concrete composite core-wall structural system. For the optimal design of the CS-ACS, a numerical study using FE approach was conducted on the concrete lateral pressure acting on the form

Abstract Recently, unmanned aerial vehicle (UAV)-based survey techniques have been applied to correct and update topographic maps for earthworks. It is essential to rectify the location values by arranging ground control points (GCPs) appropriately to improve the accuracy of UAV-based 3D topographic maps of earthwork sites. Despite the importance of the GCP arrangement, there is no effective standard

Abstract This paper presents an analysis of an Urban Hanok (improved Korean traditional housing), created in the process of Seoul’s urbanization since the 1930s as a new housing type from traditional Hanoks, using a space syntax methodology to uncover the underlying genotype. The approach used in this study interrelates and integrates topological data and adopts descriptive and numerical methods in

ABSTRACT The durability and lifespan of concrete structures are significantly affected by the corrosion of steel reinforcement. Though epoxy-coated steel reinforcement is being used for practical applications, slight damage in the coating during the construction process is enough to initiate the corrosion process. The shortcomings in the current practices to prevent corrosion of steel reinforcement

Abstract Mechanical joints for both irregular steel-concrete composite precast frames and reinforced concrete precast frames were developed to replace conventional cast-in-place concretes in the previous study of the authors. Novel connections modified from conventional steel joints having fully restrained moment connections offer rapid and facile erections. This study aims to numerically identify

This study provided an investigation of strain evolutions in bonded and unbonded prestressed reinforced concrete beams via nonlinear finite element analyses considering concrete plasticity and concrete damaged plasticity. Usually, non-convergence problems often occurred during analyses of prestressed beams due to drastic increase in contact stresses during stress transferring stages and material softening

Abstract Light-burned MgO cement has a lower calcination temperature than ordinary Portland cement. It has been widely studied as a measure to reduce carbon dioxide because of its property of absorbing carbon dioxide during curing. This study investigated the effects of calcination temperature on the physical properties of light hydrated magnesium carbonate and calcined MgO hydrated in moisture and

Abstract Urban daylight significantly affects the physical and mental health of urban residents. Many previous studies focused on how outdoor daylight conditions affect indoor daylighting of buildings, whereas the design of outdoor daylighting conditions, which also exerted an equally significant part, was relatively overlooked. There are also few studies empirically explored the outdoor daylight in

Abstract Anchor cables often break in various forms. Tensile failure can be resisted by using high-strength materials, while there is no good solution for shear failure. A new supporting structure called Anchor Cable and C-shaped tube that can bear the transverse shear force was invented and a preliminary introduction to the mechanism of the structure is given. Field investigations and in- situ stress

a b s t r a c t This study investigates the method of ultrasonic pulse velocity technique as a non-destructive test for concrete to estimate the mechanical properties of RPC, modified reactive powders concrete (MRPC). This study is based on data obtained from the experimental investigation done in this work and comparison with the data of pervious works. After conducting pulse velocity tests on cubic

(Reviewer 1, Question 1) Alongside modern urbanization, traditional Lilong housing structures have undergone tremendous changes in internal and external spatial form and usage status in order to adapt to the needs of modern, social life. In these spontaneous transformations, the street “publicness” and the residential privacy create a set of contradictory relationships that affect the overall morphology

Abstract To cope with the fast urbanisation and population growth, the public and private sector housing developments in Kuala Lumpur have prioritised the high-rise apartment building. After decades’ massive development, this housing type became the most dominant dwelling form in the city. For centuries, the traditional Malay house has evolved to suit to the vernacular lifestyle, but now the urban

ABSTRACT Benefits realization at the operation stage is a widely neglected aspect of sustainable development of construction projects. It is one of the ultimate purposes of initiating projects. However, public projects often perform poorly in realizing benefits after being delivered. The purpose of this study is to investigate why public institutional building projects could not realize benefits as

Abstract Merely 30% of the world and 50% of developing countries have buildings made of earth. More than 25% of the world’s available natural soil resources are used effectively. The parameters related to the soil are probably the most critical problem for both strength and long term durability. An attempt tried to solve, Geo-Polymer Earth Bricks are made to improve strength, durability, and modernize

This study developed a method to assess a building’s risk against disaster, tentatively named the Korean Integrated Disaster Evaluation Simulator (K-IDES). Based on previous studies analyzing FEMA’s risk management series in the US, the FEMA IRVS was selected as a case study for developing a framework for the K-IDES. Through the comparative analysis of domestic building design guides, codes, and special

Abstract Noise barrier tunnels (NBTs) are road facilities installed to reduce road traffic noise. Although building information modeling (BIM) has been widely used in civil engineering, alignment problems must first be addressed for BIM to be applied in transportation infrastructure; this is because unlike buildings, roads are linear. The array of tunnel frames based on the centerlines of individual

Abstract In this paper, a new three-stage virtual frontier SBM-DEA (Slacks-Based Measure of Efficiency in Data Envelopment Analysis) model is proposed to evaluate the sustainable efficiency of the construction industry.The relevant construction industry data of 30 Chinese PARs (provincial administrative regions) from 2011 to 2016 are brought into the model to calculate the sustainable efficiency of

Abstract The application of structural health monitoring (SHM) technology provides an effective data source for bridge structural state assessment in service. Processing and analyzing monitoring data to assess bridge structural health status has become a research hotspot. However, the traditional methods lack unified integrated management of the health monitoring related information during the whole

Abstract This paper is a study of the seven libraries of Siku quanshu and Tianyige from the perspective of imitation of imperial gardens in Qing Dynasty. Firstly, this paper analyses Tianyige, the prototype of seven libraries, which is also the most ancient private library in China, and reveals the Tianyige’s basic situation, construction ideas, architectures and gardens. Secondly, this paper articulates

ABSTRACT Conventional pretensioned spun, high-strength concrete (PHC), pile head cutting process is associated with safety, quality uniformity, and labor productivity problems. However, trend analysis has revealed that no technology has been developed to address these problems as these pertain to specific Korean construction site situations. This study aims to derive the final detailed design for an

Abstract The kang-stove system (KSS) is a combination cooking and heating system, and is the core element of the living space of many rural houses in northern China. The traditional KSS is usually single kang model (SKM) that one stove combines with one kang, which causes inconveniences including an insufficient room heating supply, a small heating range, and subsequent privacy issues for family numbers

Abstract Urbanization causes various climate-related environmental problems, such as the urban heat island phenomenon and extreme weather. As such, the outdoor thermal environment is worsening in cities, and researchers are increasingly concerned with mitigation measures. Here, we investigated the influence of a major railway station and the Yangtze River on the local thermal environment in a city

ABSTRACT Suzhou, a Chinese “water town”, has undergone an essential transformation in the spatial nature of its riverside area post-urbanization. This research focuses on the spatial characteristics and utilization patterns of the building boundary along the Shantang River in Suzhou through field investigation and correspondence analysis. The constituent elements are determined, and then spatial characteristics

ABSTRACT Planned supergrid developments are influential on both the modernization and conservation of historic street patterns and their spatial structures, but related discussions have so far remained largely at prescriptive or normative levels without an in-depth empirical basis. Through a case study on the historic city centre of Seoul by devising and applying a systematic framework of space syntax

Assembling precast frames subjected to heavy construction loads may require a significant crane operation time when they were assembled by conventional steel joints having a straight beam cut. This study proposed a method that will provide a facile and rapid assembly of heavy precast frames, having the temporary bolting be established as noncritical path. Lower flanges of wide flange beam installed

This study addresses the transformation of contemporary Hanok—a Korean traditional housing—by comparing its floor plans before and after remodeling. Based on this comparative analysis, the transformation of Korean dwelling style and its significance are discussed. Both pre-remodeling and post-remodeling spaces are represented in the form of a convex map, and the integration value of each space is quantified

Abstract The current study evaluates the influence of different exit quantity and location on evacuation efficiency of underground commercial street, and analyzes the difference of evacuation efficiency. The author selected the same underground commercial street design, with different locations layout of various exports. The improved RVO is used to generate the regional evacuation path tree according

Abstract In a decision making study, design alternatives are compared with respect to cost, performance, and reliability, and the best is selected. Often, due to the time constraints imposed by the design schedule and budget restrictions, the number of design alternatives considered is limited. This research focuses on composite flooring systems for multi-story buildings and the application of value

Abstract This paper suggests policy implications for the mitigation of resident conflict in public rental apartment complexes in South Korea. Employing a nation-wide disaggregate dataset from the 2011 Korea Housing Survey for Public Housing Residents, we developed a probability model of the occurrence of conflicts among the residents in mixed-tenure public housings. The results showed that spatial

ABSTRACT Considering the limitations of existing detection methods for wall thermophysical parameters and the urgent need for non-steady-state detection methods for thermal properties of walls in engineering, based on the harmonic reaction method and the theory of frequency domain analysis, two frequency domain analysis methods for solving thermal conductivity and volume specific heat of single-layer

Development of an Assessment Method for Energy Performance of Residential Buildings using G-SEED in South Korea. Journal of Asian Architecture and Building Engineering. Accepted 14 October 2020.

Abstract This paper focuses on the value of squatter settlements (SS) as cultural heritage, which has not been fully addressed. This paper aims at arguing the possibility of utilizing the value of cultural heritage embedded in SS as an art incubator under community participation through a case analysis based on the experience of the Treasure Hill Art Village (THAV) of Treasure Hill Settlement (THS)

ABSTRACT In this study, we use the integrated concept of the “historical water supply facility” to advance the regional characterization of point-like facilities. Eighteen villages in eastern Shanxi Province, which has a typical semi-arid climate, were taken as the study area, and data were collected by field observations and in-depth interviews. The results reveal that the natural environment, specifically

Abstract Recent Japanese earthquakes have severely damaged the nonstructural walls of many buildings. While nonstructural walls do not influence the seismic performance of a building, this damage can still sometimes cause buildings to be demolished or render their continued use impossible. Therefore, it is important that seismic designs take the seismic properties of nonstructural walls into consideration

An application of Arbitrary Lagrangian-Eulerian (ALE) method is used to generate the cutting pattern shapes of membrane structures. The initial patterning panels are selected as the projection of three-dimensional (3D) membrane panels and are assumed as the reference configuration. While the Lagrangian displacements define the forced displacements from this configuration to the 3D configuration, the

Abstract Taking the Hangzhou section of the Grand Canal in China as a case study, this research develops an approach towards interpreting heritage canals from the perspective of historical events. First, we classified historical events related to the canal into three types. Through historical literature archives and relevant research, architectural works and places that are related to the historical

Abstract In this paper, the site selection as well as both the evolution process and the characteristics of on-campus planning for characteristics of Wuhan University’s new campus in the early Republic of China (ROC) are defined through on-the-spot investigation and analysis on the drawings and documents in archives in China and other countries. Based on the four rounds of relocation, Wuhan University’s

Adopting the Stimulus-Organism-Response paradigm, this paper investigates how relationship-related factors (asymmetric dependence and trust) and process-related factors (communication and coordination) influence project success. Data gathered from 173 respondents with electronic questionnaire were analyzed by Smart-PLS 3.0 software and PROCESS. The results demonstrate that project success is influenced

With the acceleration in globalization, cities have tended to become similar, and commercial districts have gradually lost their local characteristics. Hence, utilizing scientific means to assess human perceptions of traditional and modern districts in an objective manner, this study applies the electroencephalography (EEG) test and the Semantic Differential (SD) method to evaluate the external space

ABSTRACT Through Experiment, we study the aseismic behavior of inserted reinforced concrete column-steel beam (RCS) composite joints. In order to design an RCS with endplate combination joint, we analyze simulation test joints on a basis of the static load test combining with finite element software ABAQUS. The numerical simulation results and the contract test results which include finite element

Using a street in Shanghai as a case study, a strategy was developed to study an urban network space system by analyzing and interpreting street space from the microscopic perspective of urban composition elements. At the methodological level, this study, using research methods related to Space Syntax Theory, explored the process of establishing urban elements, element space, and a spatial network

This study focuses on investigating the effects of the wrapping mode of shape memory alloy (SMA) spirals with a large pre-strain on the lateral cyclic behavior of the bridge columns. The seismic performance of RC columns confined with different NiTiNb SMA spirals spacing and wrapping heights is compared through a series of quasi-static tests. The confined columns are tested under compression and cyclic

The accident rate in the Korean construction industry is rapidly increasing each year. In particular, the mortality rate from human accidents in construction is very high compared to that of other industries. This indicates that the safety activities carried out at the national level have not been effective in reducing the accident rate. To resolve these problems, the risk factors for human accidents

The environmental design of residential buildings is an arduous process involving a large number of parameters and objectives which is also impeded by the inadequate assessment criteria for residential buildings and uncertainty about the status of occupants. Additionally, with the development trend of high-performance housing around the world, its disadvantage– the risk of overheating - has begun to

A novel, simple to apply, and economic buckling restrainer system is introduced for steel plate shear walls. The shear wall panel is restrained by parallel non-welded channel restrainers, which are installed on both sides of the steel panel. A set of experiments was designed to examine improvement in the seismic performance of the shear wall due to the application of the proposed restrainer system

ABSTRACT The building sector is one of the largest energy consumers worldwide. Especially in the hot-humid Southeast Asian region, this sector consumes about 30% of primary energy demand. This is mainly dominated by air conditioning systems to provide space cooling and dehumidifying. In this paper, three passive design strategies to reduce cooling energy and attain a good daylight environment in an

ABSTRACT Currently, various guidelines regarding building information modelling (BIM) technology policy are being developed in different countries. However, for many companies, the cost-effectiveness of BIM investment remains unclear. Some studies suggest a return on investment (ROI) as the result of cost-effective analysis calculations, which can be obtained by the introduction of BIM. However, a

With the development of the information technology industry, including artificial intelligence (AI) platforms, a Hyperconnected-society has arrived. Smart-Home technologies and services are increasingly overcoming their limitations and being expanded to expand the research and market associated with the expectation that they will change our daily lives. The purpose of this study is to examine the theoretical

This research investigates the impact of the layout of the interior spaces, as an independent variable, on the distribution of daylight factor, uniformity rate, Drift magnitude, Maximum radial line of sight and Visual Mean depth as dependent variables in medical centers. A quantitative-qualitative research methodology was adopted, including library studies and computer-assisted simulations using Relux

The Korean construction industry has attracted interest and investment demand for lease-oriented investment products, such as shopping malls and studio apartments, as a substitute for financial products because of the low interest rates of the banks that resulted from the economic recession after the global financial crisis in 2008. However, there have been huge economic damages because of problems

ABSTRACT The designation of special development zones is extensively employed in China to promote urbanization. This study aimed to assess the potential of special zone development as a tool in leading sustainable land use in Yinchuan City, Western China. Through an integrated framework that estimated the resultant land use pattern of zones related to institution, implementation, and planning, critical