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

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

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 lack of research

Through Experiment, we study the aseismic behavior of inserted reinforced concrete column-steel beam (RCS) composite joints. In order to design a 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 includes finite element simulation

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

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 Today, in the space-time big data environment, the research into behavior maps, as an important spatial analysis and behavior visualization method, has gradually increased in dimension, depth and breadth. In this study, we used the China National Knowledge Infrastructure (CNKI) database and the Web of Science (WOS) Core Collection database as the main literature search engines, through the

ABSTRACT This paper proposes a gamified approach to collect and visualize human perception of daylighting in large-scale indoor environments using immersive virtual environments (IVEs). The developed system was tested by 20 participants, where their daylighting preferences for the virtual environment were collected at two daytimes through snapshotting and evaluating their points of interest in terms

Abstract Historical memorials, in most parts of the world, represent and are associated with the cultures, arts, and architectures of the time they are born within. Examples of such structures which include museum-like settings are the Tomb of Nader Shah in Mashhad, Avicenna Mausoleum in Hamadan, and the Mausoleum of Poets in Tabriz. Apropos of architectural patterns, the model of mausoleums should

Abstract The number of building information modeling (BIM)-applied construction projects has been increased with an expectation that it will transform the labor-intensive building industry into a knowledge-based one. The time and effort required for modeling vary depending on the type of work, and therefore most BIM applications focus on certain work trade of high effectiveness. In this study, we propose

ABSTRACT Influenced by traditional Chinese natural philosophy and increasing concern for environmental sustainability nowadays, water has been recognized as an embodiment of cultural identity and a desired component of the campus environment in China. This study focuses on the distinctive element, aims to clarify the characteristics of water-featured open spaces on Chinese university campuses, and

Abstract The buildings’ indoor condition called “indoor environmental quality (IEQ)” has become a major goal, all IEQ elements must be maintained within a certain range for the comfort and health of the occupants. To achieve this goal, the previous studies focused on building occupants’ responses based on their activities and the changes in IEQ. Few studies, however, have comprehensively analyzed the

ABSTRACT The purpose of this study was to use Virtual Reality(VR) and electrocardiograms (ECGs) to analyse differences in autonomic nervous responses affected by the plan configuration. Four different plan configurations of single-person households were chosen based on a prior study and built using VR. An ECG was then recorded within each plan type and the average low-frequency/high-frequency (LF/HF)

ABSTRACT A novel precast composite column with L-shape steels and infilled reinforced concrete (LSRC) is proposed and assessed by experimental research and numerical simulation. The LSRC column is constructed with four L-shape steels placing at corners, a reinforced cage placing outside and the casted concrete. The L-shape steels are connected by batten plates and the reinforcement cage is made up

ABSTRACT An experimental investigation was conducted to explore the flexural behaviour of reinforced beam made with dune sand (DS) from Gurbantunggut desert in northwest China’s Xinjiang province. In order to study the influence of DS replacement levels on the engineering properties of dune sand concrete (DSC) beam, the mechanical properties of DSC and the flexural behaviour of DSC beam were examined

ABSTRACT Sky type classification is a significant element in daylight simulation. As a “winter city”, the daylight climate of Harbin is distinctive, and there is therefore a particular need to determine the most appropriate sky models to establish sky luminance distribution in the city and thereby improve the accuracy of daylight simulations. To determine the closest sky type to that of Harbin during

ABSTRACT This paper investigates the impact of uncertain shade behavior on three facades (east, south and west) on energy performance. A previously developed stochastic shade behavior model and an occupancy model were used to conduct building co-simulation for determining energy-related performance uncertainty (annual energy demand and peak heating/cooling loads) at different building scales. Statistical

This study aims to propose a design method to promote the flexibility of a floorplan of an apartment building. Areas which permit the change of floorplan are assigned and demarcated in some part of a floorplan to evade the conjunction with physical structures of a building. These assigned areas for change can act as a mediator to extend the range of flexibility of floorplans. The former part of this

This study aimed to demonstrate an erection of the irregular L-shaped precast frames utilizing rigid mechanical joints. Precast columns of L-shaped sections were introduced to replace rectangular columns, which do not fit inside corners; sections are preferred by architects because of their architectural flexibility at the corners of walls. The mechanical connections of steel-concrete composite precast

Abstract This study seeks to obtain basic knowledge about structural changes in the period of urban maturation by understanding the changes in real structures at urban development areas in suburbs developed during the urban expansion period. In this study, existing inland industrial estates in a suburb were studied, with the main focus being the changes in spatial composition and the development processes

ABSTRACT This study performed field surveys and investigated the formal and technological characteristics of traditional buildings in the Southern area of Hubei province, China, and reviewed the related historical archives and literature. This study is helpful for architects or urban administrators to understand how traditional vernacular buildings contribute to energy saving. After field surveying

ABSTRACT Prediction of construction cost and life-cycle cost through preliminary estimate is very important for the economic decision-making in the early phase of building projects. However, the conventional preliminary estimate has a high error range and low reliability because it relies only on the basic information of projects. In addition, the consideration of the life-cycle cost of the building

This study was conducted to investigate Color Rendering Index (CRI) recommendations for light emitting diode (LED) lighting in spaces needing better color rendition. Four LED spectra, that is, two spectra at Commission Internationale de l’Eclairage (CIE) Ra < 80 (79 and 76) and two spectra at CIE Ra ≥ 80 (83 and 84) were used in this study. The CIE Ra lacks accuracy in predicting perceived color quality

Abstract This paper takes the spatial characteristics of residential communities in China as a case study, focusing on three aspects: (1) scale-like spatial parameters, including density and land-mass scale; (2) spatial parameters of facility space layout, including spatial distribution of public service facilities, and coverage, density of facilities, layout and coverage of road transport facilities

Abstract Narrow streets in densely built-up areas face problems in terms of disaster prevention. However, such streets serve as spaces for activities, communication, and a comfortable lifestyle, and thus, such streets should be considered for redesign in view of their beneficial aspects. Therefore, this study aims to examine the physical characteristics of these beneficial streets and discuss their

Abstract Under earthquake, two beams of the aqueduct’s expansion joint may collide, thus this will endanger the safety of the structure and even lead to girder falling accident. Quite a few studies of this issue use the simple one-dimensional model, but little takes the collision phenomenon under the action of multi-dimensional earthquake into account. According to the Contact-Impact Problems of large-scale

Abstract Vertical compressive stress of the foundation is a vital parameter for determining the coefficient of self-weight collapsibility of loess tunnels. This paper aims to provide a theoretical solution for the vertical compressive stress of shallow neighbourhood loess tunnel foundation. Firstly, the formula of boundary depth for deep- and shallow-buried neighbourhood loess tunnels with the consideration

This study investigated wayfinding strategy and efficiency. Experiments involving 44 participants (22 Japanese and 22 Taiwanese nationals) were conducted in Tamsui, Taiwan and Yokohama, Japan. Experimental tools included electronic and paper maps. Participants were in an unfamiliar environment, understood environmental information differently, and used different navigation tools. The researchers recorded

ABSTRACT Due to the space requirement in the small units of social housing, the occupants extend the size to have a comfortable living. Although the size has been extended, it remains inhumane, gives a slum impression, and occupies public spaces around the building. The study was conducted in the oldest social housing in Surabaya. Data were collected through observation, demonstration, photographs

Abstract “Low vision” is defined as uncorrectable vision loss that interferes with daily activities. The gazing behavior exhibited by people with low vision as they walk is particularly important because it illustrates how they utilize information in various environments. In this study, eight participants with low vision and eight fully sighted participants were asked to navigate a roadway and a sidewalk

Abstract In the context of China’s fast urbanization, the background of urban landmarks is constantly changing, which provides useful examples for the study of visual preference evaluation of urban landmarks. With the Shanghai Oriental Pearl Radio & TV Tower as research object, the pictures of 24 years were used as the research material, and the height ratio, building density, distance, volume of the

ABSTRACT With an increasing demand for quieter residential environments, impact sound insulation for floating floors is gaining importance. However, existing methods for estimating the performance of heavy impact sound insulation are limited by their inability to comprehensively analyze various types of floating floors, as well as difficulties mathematically determining the input force of the reference

Herein, we aimed to improve the thermal insulation of polyvinyl chloride (PVC) windows to reduce the energy consumption of buildings. Currently, the gold standard PVC window is triple glazed and has a thermal transmittance of 0.7 W/(m2·K). However, further reduction in the thermal transmittance of the windows via quadruple glazing is not feasible because this would make the windows too heavy and expensive

ABSTRACT The authors suggested mechanical connections for splicing two precast columns in their previous study. The present study proposes an efficient method of improving the performance of these connections consisting of laminated plates with additional interior stiffeners (interior bolts and rib stiffeners) to improve the efficiency of the design. The aim of this study was to develop a method for

ABSTRACT Over the past decades, automation and robotics have been widely adopted in the construction industry as a promising solution for troubleshooting issues. This field is highly interdisciplinary and rapidly changing, and new concepts and ideas are being actively introduced in association with the existing ones. To reveal new insights, the evolution of knowledge in this field needs to be characterized

ABSTRACT Application of BIM plays a key role in the practices of architecture, engineering and construction. Evaluating and improving BIM application capability have important effects on increasing BIM performance and enhancing the benefits of BIM usages. To evaluate the BIM application capability of construction enterprises, this study proposed an evaluation model based on interval grey cluster analysis

Abstract The occupational safety risk of high-altitude fall accident in architecture construction engineering is dynamically changeable. Considering these dynamic changes, how to make a qualitative and quantitative analysis of the changing trends of the occupational safety risk, and providing the basis for the latter occupational safety risk control measures, become the main target of the dynamic risk

ABSTRACT Architectural style positioning is an important part in the process of residential building design and project planning. However, in practice, due to the complexity and ambiguity of styles, style positioning often relies more on the subjective judgement of the designers and lacks scientificity. This paper proposes a method for the classification and prediction of residential building styles

ABSTRACT With building energy codes getting strict, quantitative analysis is necessary in the early design stage of high-energy-performance buildings. To fully explore the design space, a highly efficient method is necessary. In the research, a new design exploring framework was proposed. Parameters are screened and separated into groups based on the sensitivity analysis, to reduce the dimension of