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Construction risk identification using a multi-sentence context-aware method Autom. Constr. (IF 10.3) Pub Date : 2024-05-15 Nan Gao, Ali Touran, Qi Wang, Nicholas Beauchamp
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Understanding human-robot proxemic norms in construction: How do humans navigate around robots? Autom. Constr. (IF 10.3) Pub Date : 2024-05-15 YeSeul Kim, Seongyong Kim, Yilong Chen, HyunJin Yang, Seungwoo Kim, Sehoon Ha, Matthew Gombolay, Yonghan Ahn, Yong Kwon Cho
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Wear diagnosis for rail profile data using a novel multidimensional scaling clustering method Comput. Aided Civ. Infrastruct. Eng. (IF 9.6) Pub Date : 2024-05-15 D. Shang, Shuai Su, Y. K. Sun, F. Wang, Y. Cao, W. F. Yang, P. Li, J. H. Zhou
The diagnosis of railway system faults is significant for its comfort, efficiency, and safety. The rail surface wear is the key impact factor when considering the health conditions of rails. This paper accomplishes contactless rail wear diagnosis by using multidimensional scaling based on a novel informational dissimilarity measure (IDM) to cluster intact and different worn rail profile data. The IDM
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A non-unit repetitive construction project scheduling with uncertainties Autom. Constr. (IF 10.3) Pub Date : 2024-05-14 Luong Duc Long
Repetitive construction project scheduling is a crucial aspect of modern construction project management. This study focuses on the scheduling of non-unit repetitive construction projects with non-serial activity groups, multiple crews, flexible or fixed sequences, and under correlated uncertainties. An integrated model has been developed by combining novel algorithms for non-unit repetitive project
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A hybrid method for intercity transport mode identification based on mobility features and sequential relations mined from cellular signaling data Comput. Aided Civ. Infrastruct. Eng. (IF 9.6) Pub Date : 2024-05-14 Fan Ding, Yongyi Zhang, Jiankun Peng, Yuming Ge, Tao Qu, Xingyuan Tao, Jun Chen
The proliferation of mobile phones has generated vast quantities of cellular signaling data (CSD), covering extensive spatial areas and populations. These data, containing spatiotemporal information, can be employed to identify and analyze intercity transport modes, providing valuable insights for understanding travel distribution and behavior. However, CSD are primarily intended for communication
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Identifying at-risk workers using fNIRS-based mental load classification: A mixed reality study Autom. Constr. (IF 10.3) Pub Date : 2024-05-13 Shiva Pooladvand, Woei-Chyi Chang, Sogand Hasanzadeh
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Earthquake damage detection and level classification method for wooden houses based on convolutional neural networks and onsite photos Comput. Aided Civ. Infrastruct. Eng. (IF 9.6) Pub Date : 2024-05-13 Kai Wu, Masashi Matsuoka, Haruki Oshio
The results of earthquake damage certification (EDC) surveys are the basis of support measures for improving the lives of disaster victims. To address issues such as a limited workforce to perform EDC surveys and difficulties in judging the level of damage, a damage detection and level classification method for wooden houses using multiple convolutional neural network models is proposed. The proposed
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Tensile behavior of ultra-high-performance concrete (UHPC) strengthened with fiber reinforced polymer (FRP) grid J. Build. Eng. (IF 6.4) Pub Date : 2024-05-13 Kuanhong Mao, Mohamed Elchalakani, Mingjian He, Qiao Zhou, Hanxuan Liu, Bo Yang
In order to enhance the tensile strength and toughness of Ultra-High Performance Concrete (UHPC) at the macro level, this study developed Fiber-Reinforced Polymer (FRP)-reinforced UHPC composite materials. The steel fibers and FRP grids in UHPC play a reinforcing and toughening effect on UHPC at two different levels. Therefore, this paper examined, evaluated 48 FRP grid-UHPC specimens. The study includes
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Exploring associations between accident types and activities in construction using natural language processing Autom. Constr. (IF 10.3) Pub Date : 2024-05-11 Numan Khan, Sylvie Nadeau, Xuan-Tan Pham, Conrad Boton
Existing accident analysis methods often fail to integrate the relationship of construction accidents with construction activities, restrict the potential for visualizing the accidents frequency in Building Information Modelling (BIM). This study proposes a decision support system that provides visual insights, and the frequency of the core construction accidents in relation to typical construction
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Towards sustainable construction: Performance evaluation of slag-cenosphere geopolymers under different NaOH concentrations J. Build. Eng. (IF 6.4) Pub Date : 2024-05-11 Muhammad Usama Salim, Carlos Moro
The incorporation of industrial wastes into construction materials, such as geopolymers, is highly desirable to improve their environmental impact. The choice of source materials, such as slag and cenosphere, and the amount of activator used significantly impact the properties of geopolymers. For instance, including high-reactivity precursors and optimizing activator composition may enhance mechanical
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Influence of geometric shape, pore structure and surface modification of recycled fine aggregate on the rheology behaviour and strength development of mortar J. Build. Eng. (IF 6.4) Pub Date : 2024-05-11 Juntao Ma, Yunlei Wang, Luobing Zhang, Lingxin Zeng, Xiaoqi Wang, Juntao Dang
The complex physical properties of recycled fine aggregate affect the rheological and mechanical properties of mortar, thereby limiting its application in cement-based materials. This paper evaluated the geometric shape and pore structure of natural fine aggregate (NFA), recycled fine aggregate (RFA), and recycled fine aggregate modified by water glass (MRFA), and studied its water absorption and bulk
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Impact characterization of coral aggregate reinforced concrete beam: A 3D numerical study J. Build. Eng. (IF 6.4) Pub Date : 2024-05-11 Zhangyu Wu, Haotian Fan, Jinhua Zhang, Hongfa Yu, Bo Da
Coral aggregate concrete (CAC), an innovative construction material, utilizes abundant marine resources, including coral aggregates and seawater. In the realm of reef engineering, CAC is widely used in structural elements such as reinforced beams and columns. This paper presents a three-dimensional (3D) mesoscale model to assess the impact behavior of coral aggregate reinforced concrete beams (CARCB)
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An experimental study on 3D printed concrete reinforced with fibers recycled from wind turbine blades J. Build. Eng. (IF 6.4) Pub Date : 2024-05-11 Boyu Zhou, Mo Zhang, Guowei Ma
The large-scale retirement and high recycling difficulty of wind turbine blades (WTB) pose great challenges to environment and society. To explore the practical applicability of recycled WTB in 3D printed concrete (3DCP), a systematic experimental study was conducted on the printability and physical-mechanical properties of 3DCP incorporating RWTB fiber. The distribution of RWTB fiber and porosity
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Blockchain-enabled platform-as-a-service for production management in off-site construction design using openBIM standards Autom. Constr. (IF 10.3) Pub Date : 2024-05-10 Yuhan Liu, Xingyu Tao, Moumita Das, Xingbo Gong, Hao Liu, Yuqing Xu, Anke Xie, Jack C.P. Cheng
Integrating building information modeling (BIM) with emerging blockchain technology has gained considerable attention in addressing design collaboration problems like poor data security, weak traceability, and low transparency in off-site construction. However, blockchain implementations in off-site construction design, especially with openBIM standards, currently lack standardized workflow management
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Robotically winded full scale timber prototypes Autom. Constr. (IF 10.3) Pub Date : 2024-05-10 Andreas Göbert, Georgia Margariti, Julian Ochs, Ole Weyhe, Andrea Rossi, Philipp Eversmann, Julian Lienhard
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Influence of surface roughness and interfacial agent on the interface bonding characteristics of polyurethane concrete and cement concrete J. Build. Eng. (IF 6.4) Pub Date : 2024-05-10 Okumura Ummin, Yang Li, Kai Li, Yuyuan Chen, Hanyue Jia, Jun Zuo
As a new type of concrete material, polyurethane concrete has excellent physical and mechanical properties which is widely used in the maintenance and reinforcement of damaged areas of concrete pavement. Because of the difference in the performance between polymer concrete and ordinary concrete, it is of great significance to accurately evaluate the bond performance between polymer concrete and ordinary
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A multi-gradient analysis of microscopic void characteristics' influence on the mechanical properties of open-graded friction course bituminous pavement J. Build. Eng. (IF 6.4) Pub Date : 2024-05-10 Junfeng Sun, Haitao Zhang, Mingyang Yu, Ao Sun, Zhaopeng Deng
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Cyclic loading behavior of concrete with thermally-induced damage J. Build. Eng. (IF 6.4) Pub Date : 2024-05-10 Pouria Zare, Shayan Sheikhi Narani, Kianoosh Hatami, Mohsen Abbaspour, Sumi Siddiqua
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Infrared temperature evolution law and thermal effect mechanism of concrete impact failure J. Build. Eng. (IF 6.4) Pub Date : 2024-05-10 Shan Yin, Zhonghui Li, Enyuan Wang, Xueli Li, He Tian, Yue Niu
Concrete impact failure can occur quickly and cause severe failure, which is of great significance for effective monitoring of concrete impact failure. Infrared thermal imaging technology possesses the merits of high sensitivity, noncontact, and nondestructive monitoring, rendering it extensively employed in monitoring the stability of concrete structures. However, the infrared radiation temperature
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Uncertainty quantification and global sensitivity analysis of bearing capacity of push-out specimen considering randomness in bond-slip behaviour J. Build. Eng. (IF 6.4) Pub Date : 2024-05-10 Heng Zhang, Zhongyi Sun, Zhifeng Wu, Bin Huang, Xu Xiang
As an artificial composite material, the uncertainty in mechanical property of concrete significantly impacts the bond-slip behaviour of the shaped steel concrete structure. To investigate the effect of the uncertainty of concrete mechanical properties on the bearing capacity of push-out specimens, based on the data of a small number of push-out test with identical design parameters, the improved Bootstrap
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Effect of foaming characteristics of air entrained agents on mechanical properties and pore structures of cement-based materials in plateau mountainous regions J. Build. Eng. (IF 6.4) Pub Date : 2024-05-10 Xiaojun Zhou, Shiming Bai, Xianliang Zhou, Yingda Zhang, Qingjun Ding
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Time-dependent concrete chloride diffusion coupled with nonlinear chloride binding: An analytical study J. Build. Eng. (IF 6.4) Pub Date : 2024-05-10 Yiyi Huang, Fengling Ji, Zhang-Long Chen, Wei Li, Jingjing Yu
Both the temporal dependence of chloride diffusion coefficient and the effect of nonlinear chloride binding substantially affect the behavior of concrete chloride diffusion. This study develops an exact chloride diffusion solution that accommodates the above two factors by introducing a simplified but reasonably realistic nonlinear chloride binding isotherm. The introduction of this isotherm makes
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Regulating sulfur migration and transformation in low water-binder ratio cementitious system incorporating phosphogypsum aggregate: Environmentally friendly clean materials J. Build. Eng. (IF 6.4) Pub Date : 2024-05-10 Xue Liu, Chiqiu Wu, Wei Lv, Enlai Dong, Shiyuan Fu, Lingyan Zhang, Yuan Feng, Rui Yu
The paper aims to clarify the regulation mechanism of sulfur migration and transformation in a low water-binder ratio system incorporating phosphogypsum aggregate (LWC-PG). Firstly, the combination of -containing adhesive material and phosphate gypsum aggregate can reduce the migration of sulfate ions (SO) in the phosphate gypsum aggregate. The reaction mechanism and macro and micro properties of LWC-PG
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Penetration grouting diffusion and strengthening mechanism of sand layer with crucial grout J. Build. Eng. (IF 6.4) Pub Date : 2024-05-10 Fei Sha, Lanying Zhang, Minglong Zhang, Yuhang Zuo, Hongying Niu
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Heavy metals removal in a graphene engineered concrete-based filter column J. Build. Eng. (IF 6.4) Pub Date : 2024-05-10 Murugan Muthu, Łukasz Sadowski
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Experimental and theoretical evaluation of inclined screws in glued laminated bamboo and timber-concrete composite beams J. Build. Eng. (IF 6.4) Pub Date : 2024-05-10 Hao Du, Rui Xu, Peiyang Liu, Shengnan Yuan, Yang Wei
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Effect of bar diameter on bond performance of helically ribbed GFRP bar to UHPC J. Build. Eng. (IF 6.4) Pub Date : 2024-05-10 Yuan Luo, Peng Liao, Rensheng Pan, Jiayao Zou, Xuan Zhou
The bar diameter is one of the key factor affecting the bond performance between GFRP bar and ultra-high performance concrete (UHPC). However, there is no consensus regarding the effect of bar diameter on the corresponding bond strength in existing studies. An experimental study on centric pull-out test of helically ribbed GFRP bars with nine different diameters was conducted to investigate the effect
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Combined application of CDWs as precursors and aggregates in geopolymer composites: A comprehensive rheological analysis J. Build. Eng. (IF 6.4) Pub Date : 2024-05-10 Obaid Mahmoodi, Hocine Siad, Mohamed Lachemi, Mustafa Şahmaran
The study of rheological characterization of construction and demolition waste (CDW)-based geopolymeric materials has gained interest due to digital innovation in construction and the increased focus on sustainable materials. Understanding the rheological behavior of these materials is essential due to their rapid geopolymeric reaction kinetics and viscosity behavior. This study investigated the impact
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Why sustainable concrete cannot penetrate concrete markets J. Build. Eng. (IF 6.4) Pub Date : 2024-05-10 Lateef N. Assi, Ali Alsalman, Rahman S. Kareem, Kealy Carter, Paul Ziehl, Yasir Alhamadani
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Connecting design and fabrication through algorithms: current and future prospects for AEC Autom. Constr. (IF 10.3) Pub Date : 2024-05-09 Inês Caetano, António Leitão
Algorithmic Design (AD) tools enable the creation of geometrically complex architectural shapes that might be challenging to manufacture. This paper presents an overview of recent design-to-fabrication processes based on AD. It reflects on how AD can help overcome fabrication limitations and enhance the connection between architectural geometry, material, and manufacturing, approximating design exploration
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Data-driven automatic classification model for construction accident cases using natural language processing with hyperparameter tuning Autom. Constr. (IF 10.3) Pub Date : 2024-05-09 Louis Kumi, Jaewook Jeong, Jaemin Jeong
The construction industry, while vital to societal progress, is marred by a high incidence of accidents and injuries. Manual classification of accident cases is intensive and susceptible to human bias. This study addresses this challenge by developing an automated accident case classification system for the construction industry using Natural Language Processing and machine learning techniques. This
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From data to knowledge: Construction process analysis through continuous image capturing, object detection, and knowledge graph creation Autom. Constr. (IF 10.3) Pub Date : 2024-05-09 Fabian Pfitzner, Alexander Braun, André Borrmann
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Neural rendering-based semantic point cloud retrieval for indoor construction progress monitoring Autom. Constr. (IF 10.3) Pub Date : 2024-05-09 Zhiming Dong, Weisheng Lu, Junjie Chen
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AI integration in construction safety: Current state, challenges, and future opportunities in text, vision, and audio based applications Autom. Constr. (IF 10.3) Pub Date : 2024-05-09 Ahmed Bin Kabir Rabbi, Idris Jeelani
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Effect of sodium citrate on compressive strength and microstructure of NaOH-activated slag pastes/mortars exposed to high temperatures J. Build. Eng. (IF 6.4) Pub Date : 2024-05-09 Bo Qu, Peng Zhang, Keming Han, Tianle Liu, Cheng Gong, Fulin Qu, Hao Chen, Ning Li
Fire resistance is a critical consideration in the performance of concrete. This study investigated the impact of sodium citrate on the compressive strength and microstructure of NaOH-activated slag cement at temperatures ranging from 200 to 1000 °C. The findings indicated that the addition of sodium citrate led to an increase in matrix density and a decrease in porosity, ultimately resulting in a
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Strengthening the fiber-cement matrix interface by introducing functional groups on fiber surface J. Build. Eng. (IF 6.4) Pub Date : 2024-05-09 Dezhi Zhao, Hexiang Wang, Qingxin Zhao, Jinghui Zhang, Lili Yuan
Polypropylene (PP) fiber is widely used for reinforcing cement matrix to improve its cracking resistance, but the poor interaction between two materials caused localized cracks along the fiber thus adverse effect on the fiber reinforced composites. Thus, novel methods for strengthening the fiber-cement matrix interface were proposed in this study. Amidoxime and amine functional groups were successfully
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Curing parameters development and long-term performance of ohmic heating cured conductive cementitious composites: A comparative study on fiber fraction J. Build. Eng. (IF 6.4) Pub Date : 2024-05-09 Weichen Tian, Ruisen Li, Zhanlin Zhang, Mingzhi Wang, Yushi Liu, Jian-Xin Lu, Yangyang Jia, Wei Wang
Ohmic heating (OH) curing is a new method for concrete production in cold areas, while the changing regularity for the curing parameters including electric voltage, current, resistivity and curing temperature during the curing process, and the long-term performance evolution law are still unrevealed. In this research, this method was used to fabricate carbon fibers (CFs) reinforced conductive cementitious
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Recycling lithium slag into eco-friendly ultra-high performance concrete: Hydration process, microstructure development, and environmental benefits J. Build. Eng. (IF 6.4) Pub Date : 2024-05-09 Bohan Yang, Yannian Zhang, Weifeng Zhang, Houqi Sun, Qingjie Wang, Dong Han
To ascertain the viability of utilizing lithium slag (LS) in the development of eco-friendly ultra-high performance concrete (UHPC), this paper provides a detailed analysis of the effects of LS on UHPC. Specifically, the hydration and microstructural changes in UHPC containing LS (LS-UHPC) were comprehensively examined. Based on the results of isothermal calorimetry, X-ray diffraction (XRD), thermogravimetric
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A technological review of dew point evaporative cooling: experimental, analytical, numerical and optimization perspectives J. Build. Eng. (IF 6.4) Pub Date : 2024-05-09 Md Shadab Alam, Mohd Nashrul Bin Mohd Zubir PhD, Mohd Ridha Bin Muhamad, Salim Newaz Kazi, Hakan F. Öztop, Shekh Abdullah, Kaleemullah Shaikh
Based on the Maisotensko cycle (M-cycle), dew point evaporative cooling (DPEC) technology is a promising solution to address the growing demand for affordable and sustainable cooling in buildings. This review article thoroughly explores the experimental, theoretical, and optimization methodologies used to assess the effectiveness of a dew point evaporative cooling system. The main findings indicate
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Study on the evolutionary mechanism of shrinkage stress-strain behavior of EVA-modified cement mortar at an early age J. Build. Eng. (IF 6.4) Pub Date : 2024-05-09 Siyu Yang, Shun He, Sifeng Liu
Understanding the early deformation characteristics is important to predict early cracks in cementitious materials and to serve structural engineering. Incorporation of polyethylene-vinyl acetate (EVA) dispersible polymer powder can improve the early cracking of cementitious materials. In this paper, the homogeneity, shrinkage stress-strain behavior and the evolutionary mechanism of EVA-modified cement
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Exploring the impact of windows on musicians’ experience: a neuroarchitecture perspective Build. Res. Inf. (IF 3.9) Pub Date : 2024-05-08 José L. Gómez-Sirvent, Desirée Fernández-Sotos, Alicia Fernández-Sotos, Roberto Sánchez-Reolid, Francisco López de la Rosa, Antonio Fernández-Caballero
Performing music can be an enjoyable activity or a source of anxiety and discomfort. Previous studies suggest that it is possible to create spaces that promote well-being by applying knowledge from...
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Graph-based decomposition for electrical wiring design in interior finishing Autom. Constr. (IF 10.3) Pub Date : 2024-05-08 Andong Qiu, Ganquan Shi, Zhouwang Yang
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Uncertainty-aware point cloud segmentation for infrastructure projects using Bayesian deep learning Autom. Constr. (IF 10.3) Pub Date : 2024-05-08 Hristo Vassilev, Marius Laska, Jörg Blankenbach
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A lightweight feature attention fusion network for pavement crack segmentation Comput. Aided Civ. Infrastruct. Eng. (IF 9.6) Pub Date : 2024-05-08 Yucheng Huang, Yuchen Liu, Fang Liu, Wei Liu
The occurrence of pavement cracks poses a significant potential threat to road safety, thus the rapid and accurate acquisition of pavement crack information is of paramount importance. Deep learning methods have the capability to offer precise and automated crack detection solutions based on crack images. However, the slow detection speed and huge model size in high‐accuracy models are still the main
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Constraint‐aware optimization model for plane truss structures via single‐agent gradient descent Comput. Aided Civ. Infrastruct. Eng. (IF 9.6) Pub Date : 2024-05-08 Jun Su Park, Taehoon Hong, Dong‐Eun Lee, Hyo Seon Park
This study introduces the constraint‐aware optimization model (CAOM), a novel optimization framework designed to optimize the size, shape, and topology of plane truss structures simultaneously. Unlike traditional optimization models, which rely on gradient descent and frequently struggle with managing various constraints due to their dependence on a single optimization agent, CAOM effectively addresses
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Application of Knowledge Discovery in Databases (KDD) to environmental, economic, and social indicators used in BIM workflow to support sustainable design J. Build. Eng. (IF 6.4) Pub Date : 2024-05-08 Carmen Llatas, Bernardette Soust-Verdaguer, Luis Castro Torres, Daniel Cagigas
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Axial behavior of concrete cylinders retrofitted with a hybrid system of CFRP textile grid and engineered geopolymer composite J. Build. Eng. (IF 6.4) Pub Date : 2024-05-08 Shan Li, Wentao Ma, Yiyan Lu, Bo He, Zhenzhen Liu
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Shaking table tests on seismic performance of a five-story reinforced concrete frame structure with MoS2 sliding bearings and steel dampers J. Build. Eng. (IF 6.4) Pub Date : 2024-05-08 Meng Zhan, Sheliang Wang, Tao Li, Xiuyun Chen, Mengqi Wang
The seismic performance of friction isolated structure is greatly affected by the friction coefficient, and the combination of low friction material and limit device is an available option. Via the Motion State module simulating the friction conditions and the Bouc Wen model describing the restoring characteristic of the steel dampers, a single-degree-of-freedom model was established to investigate
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Enhancing thermal performance of energy storage concrete through MPCM integration: An experimental study J. Build. Eng. (IF 6.4) Pub Date : 2024-05-08 Jiangang Wei, Hanwen Zhang, Wei Zhang, Xiang Liu, Yan Yang
Phase change materials melt and solidify at different temperature ranges called Phase change hysteresis. This phenomenon should be understood and evaluated in order to adequately design energy storage concretes for applications. Although many studies have analyzed the phase change process in pure - phase change materials such as paraffin. However, there is not enough information about the Phase change
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Automated process for generating an air conditioning duct model using the CAD-to-BIM approach J. Build. Eng. (IF 6.4) Pub Date : 2024-05-08 Seonghun Park, Minso Shin, Jun Young Jang, Bonsang Koo, Tae Wan Kim
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Dynamic knowledge graph applications for augmented built environments through “The World Avatar” J. Build. Eng. (IF 6.4) Pub Date : 2024-05-08 Hou Yee Quek, Markus Hofmeister, Simon D. Rihm, Jingya Yan, Jiawei Lai, George Brownbridge, Michael Hillman, Sebastian Mosbach, Wilson Ang, Yi-Kai Tsai, Dan N. Tran, Soon Kang William Tan, Markus Kraft
The proliferation of digital building models in recent years has led to a corresponding rise in specialised, non-interoperable models. These models impede sustainable developments by forming data silos that hinder cross-application data exchange and knowledge discovery processes. Although Semantic Web solutions hold promise in addressing these silos, current approaches primarily focus on developing
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Design, simulation and energy dissipation evaluating of a new lead shear damper J. Build. Eng. (IF 6.4) Pub Date : 2024-05-08 Yongbin Liu, Tao Jiang, Hui Pang, Junwu Dai
This study presents a novel design for a lead shear damper (LSD) that features lead blocks encased in laminated steel and rubber plates, intersected by X-shaped steel sticks. It combines the excellent energy dissipation and fatigue resistance of lead with the uniform yielding capabilities of X-shaped steel sticks along their height. Cyclic loading testing and fatigue tests are conducted in order to
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The significance of indoor thermal comfort on occupants’ perception: in university buildings in Auckland, New Zealand Build. Res. Inf. (IF 3.9) Pub Date : 2024-05-06 Sameh Azzazy, Amirhosein Ghaffarianhoseini, Ali GhaffarianHoseini, Nicola Naismith, Dat Tien Doan, Justin B. Hollander
Any building creates a unique micro-environment. Educational buildings tend to offer a wide range of purposes, with more operational functions than most other buildings. This paper focuses on the o...
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Displacement sensing based on microscopic vision with high resolution and large measuring range Comput. Aided Civ. Infrastruct. Eng. (IF 9.6) Pub Date : 2024-05-07 Pengfei Wu, Weijie Li, Xuefeng Zhao
Microimage strain sensing (MISS) is a novel piston‐type sensor based on microscopic vision. In this study, optical disc slice is used as information carriers to improve MISS. There are multiple pits on the surface of an optical disc. By using machine vision algorithms, the pits can be converted into digital information, making them scales for recording displacements. By this means, we proposed a sensing
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Enhanced subsurface chloride transport resistance of cement pastes via optimizing CO2 curing time J. Build. Eng. (IF 6.4) Pub Date : 2024-05-07 Jinxin Wei, Tung-Chai Ling
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Immobilization properties and reaction mechanism of municipal solid waste incineration fly ash with alkali activation technology J. Build. Eng. (IF 6.4) Pub Date : 2024-05-07 Baomin Wang, Weigao Ding, Chengcheng Fan, Fei Liu
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Resilience-based seismic design and cyclic behavior of assembled joints between self-compacting concrete-filled rectangular steel tube frame columns and H-shaped steel beams J. Build. Eng. (IF 6.4) Pub Date : 2024-05-07 Chuntao Zhang, Yu Chen
The overall stability of prefabricated steel structures depends significantly on the strong seismic resilience exhibited by the connections between beams and columns. This paper introduces a novel beam–column connection approach, referred to as the welded upper and lower flanges and two diagonal web plates (WULF-TDWP). Unlike conventional methods, this approach replaces bolted connections with butt-welded
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From cement to geopolymers: Performances and sustainability advantages of ambient curing J. Build. Eng. (IF 6.4) Pub Date : 2024-05-07 Changwei Qu, Yongjun Qin, Tao Wang
The production of Portland cement results in substantial carbon emissions. Geopolymers are regarded as highly promising alternative binder materials to cement due to their low energy consumption and excellent mechanical properties. However, it should be noted that the thermal curing process of geopolymers diminishes their low-carbon advantage. In this study, ground granulated blast furnace slag (GGBS)
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Investigation on the anti-carbonation properties of alkali-activated slag concrete: Effect of activator types and dosages J. Build. Eng. (IF 6.4) Pub Date : 2024-05-07 Peng Shi, Devid Falliano, Zhengxian Yang, Giuseppe Carlo Marano, Bruno Briseghella
In this paper, three alkaline activators, namely sodium hydroxide (SH), calcium oxide and sodium carbonate (COSC), calcium hydroxide and sodium sulfate (CHSS), and the influence of different alkali equivalents on the carbonation resistance of alkali-activated slag concrete (AASC) were investigated. By testing the mechanical properties at different carbonation ages of AASC with three types of activators
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Flexural behaviour of one-part fibre-reinforced geopolymer beams J. Build. Eng. (IF 6.4) Pub Date : 2024-05-07 Yujin Yuan, Boyin Ding, Hanyuan Shi, Yinfang Wang, Yuanzheng Lin, Mohamed Elchalakani, Jingming Cai
This research focuses on the structural application of one-part fibre-reinforced geopolymer composite (OP-FRGC), a pioneering low-carbon, high-performance construction material. While extensive studies have been conducted on the basic mechanical properties and mix proportions of OP-FRGC, structural applications remain underexplored. This investigation of the flexural performance of steel-reinforced