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Flexural failure of ultra-high performance concrete subjected to the alternating cryogenic and elevated temperature via acoustic emission characterization Cement Concrete Comp. (IF 10.5) Pub Date : 2024-05-17 Bei He, Xinping Zhu, Hongen Zhang, Qiaomu Zheng, Hongduo Zhao, Obinna Onuaguluchi, Nemkumar Banthia, Zhengwu Jiang
This paper aims to reveal the mechanical evolution and potential mechanism of Ultra-high Performance Concrete (UHPC) exposed to a complex temperature-variation environment typical of Liquefied Natural Gas storage tank. Herein, the effect of steel fiber geometries (straight and hooked-end) on flexural failure of UHPCs in the range of −170 °C ∼ 200 °C was studied, and dynamic fracture evolution during
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A multisource data‐driven monitoring model for assessing concrete dam behavior Comput. Aided Civ. Infrastruct. Eng. (IF 9.6) Pub Date : 2024-05-17 Kefu Yao, Zhiping Wen, Chenfei Shao, Jiaquan Yang, Huaizhi Su
The pivotal role of dam infrastructure necessitates continuous health monitoring, which results in extensive sets of data. Most monitoring data‐based models in dam engineering concentrate on predicting dam behavior. However, little attention has been systematically paid to the processing of extensive monitoring data, modeling of comprehensive dam behavior, and assessment of overall dam operation status
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A multi‐agent reinforcement learning model for maintenance optimization of interdependent highway pavement networks Comput. Aided Civ. Infrastruct. Eng. (IF 9.6) Pub Date : 2024-05-17 L. Yao, Z. Leng, J. Jiang, F. Ni
Pavement segments are functionally interdependent under traffic equilibrium, leading to interdependent maintenance and rehabilitation (M&R) decisions for different segments, but it has not received significant attention in the pavement management community yet. This study developed a maintenance optimization model for interdependent pavement networks based on the simultaneous network optimization (SNO)
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Intelligent design of shear wall layout based on diffusion models Comput. Aided Civ. Infrastruct. Eng. (IF 9.6) Pub Date : 2024-05-17 Yi Gu, Yuli Huang, Wenjie Liao, Xinzheng Lu
This study explores artificial intelligence (AI) for shear wall layout design, aiming to overcome challenges in data feature sparsity and the complexity of drawing representations in existing AI‐based methods. We pioneer an innovative method leveraging the potential of diffusion models, establishing a suitable drawing representation, and examining the impact of various conditions. The proposed image‐prompt
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Selection of suitable cellulose nanofibers derived from eco-friendly sources for the production of lightweight cementitious composites with tuned rheological, mechanical, and microstructure properties Cement Concrete Comp. (IF 10.5) Pub Date : 2024-05-16 Hesam Taheri, Nadia Ahmadi Heidari, Arnaud Perrot, Gilberto Siqueira, Gustav Nyström, Shiho Kawashima
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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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New insight into the combined effect of aluminum sulfate and triethanolamine on cement hydration Cem. Concr. Res. (IF 11.4) Pub Date : 2024-05-14 Liheng Zhang, Zichen Lu, Yanrong Zhang, Zhiwei Liu, Ye Pan, Guoqing Zhang, Yan He, Zhenping Sun
The combined effect of aluminum sulfate (AS) and triethanolamine (TEA) on cement hydration was investigated by techniques of setting time, compressive strength, calorimetry, XRD, and ICP-OES. The results indicate that the increased strength through the addition of AS mainly originates from the accelerated silicate phase reaction. Besides, the combined addition of TEA and AS leads to an aggravated retardation
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An investigation into corrosion around voids at the steel-concrete interface Cem. Concr. Res. (IF 11.4) Pub Date : 2024-05-14 Miha Hren, Tadeja Kosec, Andraž Legat
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Temperature affected cement foaming and foams Cem. Concr. Res. (IF 11.4) Pub Date : 2024-05-14 Qiang Zeng, Shan Chen, Rijiao Yang, Zhendi Wang, Yang Zhao
This work reports the kinetics and structures of cement-limestone powder foams cast at the temperature between 27 and 42 °C. The pH, viscosity, flowability, temperature history and height of the slurries were measured, and the foaming kinetics was interpreted with the Weibull and Log-Logistic dose-time models. The structures and mechanical properties of the hardened foams were tested at 28 d. The results
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Strong piezoresistivity and piezopermittivity of cement-based material without functional admixture and their correlation Cement Concrete Comp. (IF 10.5) Pub Date : 2024-05-14 Min Kyoung Kim, Mohammad A. Al-Qaralleh, D.D.L. Chung
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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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Entrained air and freeze-thaw durability of concrete incorporating nano-fibrillated cellulose (NFC) Cement Concrete Comp. (IF 10.5) Pub Date : 2024-05-13 Obinna Onuaguluchi, Nemkumar Banthia
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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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Thermodynamic modelling of alkali-silica reactions in blended cements Cem. Concr. Res. (IF 11.4) Pub Date : 2024-05-11 Haoliang Jin, Sam Ghazizadeh, John L. Provis
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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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Rheology modification of flowable mortar with CO2 Cement Concrete Comp. (IF 10.5) Pub Date : 2024-05-10 Sean Monkman, Soo Duck Hwang, Kamal Khayat
The rheological properties of mortar samples with different additions of CO during mixing were determined. Flowable cement-based mortars at three different w/c (0.55, 0.45 and 0.35) were produced and the effects of CO gas were examined on the fresh properties of slump flow, yield stress and plastic viscosity. According to the experimental results, the mortar yield stress and plastic viscosity increased
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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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Assessing sampling interval-dependent roughness in fractured steel fiber reinforced concrete using a double-exponential decay model Cement Concrete Comp. (IF 10.5) Pub Date : 2024-05-09 Sailong Hou, Kai Li, Xiang Hu, Caijun Shi
This study introduces a double-exponential decay (DED) model to investigate the sampling interval ()-dependent behavior of crack morphology roughness in steel fiber reinforced concrete (SFRC). The root mean square () of the directional derivatives in 3D digital morphology is employed to quantify the roughness and its anisotropic behavior. Surface morphologies of 24 fractured specimens are captured
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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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A discussion of the paper “Low-field [formula omitted]H NMR study on geopolymers: The effect of paramagnetic Fe(III)” by Z. Yu, R. de Oliveira-Silva, Y. Pontikes, and D. Sakellariou Cem. Concr. Res. (IF 11.4) Pub Date : 2024-05-08 Chunsheng Zhou, Zuhua Zhang, Jing Qiao
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Effect of natural and accelerated carbonation on microstructure and pH of sodium carbonate alkali-activated slag Cem. Concr. Res. (IF 11.4) Pub Date : 2024-05-08 Patrick Azar, Cédric Patapy, Gabriel Samson, François Cussigh, Laurent Frouin, Martin Cyr
This study aims to understand the effect of the natural and accelerated carbonation on the alkali-activated slag (AAS) activated by sodium carbonate. Carbonation increased AAS paste total porosity but reduced slag containing materials (CEM III) porosity. The pH after carbonation was higher in AAS than in CEM III, which was explained by the buffering effect of the alkalis and the carbonation of the
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Resilient crystalline admixture in ultra-high performance self-healing concrete under cyclic freeze-thaw with de-icing salts Cem. Concr. Res. (IF 11.4) Pub Date : 2024-05-08 Vanessa Cappellesso, Liberato Ferrara, Elke Gruyaert, Kim Van Tittelboom, Nele De Belie
Ultra-high performance (fibre-reinforced) concrete (UHPC) is recognised for its mechanical properties, such as tensile strain hardening, and exceptional durability, including autogenous healing capabilities due to, among others, the addition of supplementary cementitious materials and fibres. However, it is unknown how the cracked concrete can deal with freeze-thaw (FT) cycles with de-icing salts and
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Anisotropic expansion behavior and crack orientation of reinforced concrete due to the alkali–silica reaction Cement Concrete Comp. (IF 10.5) Pub Date : 2024-05-08 Sara Farooq, Gentaro Aoki, Taito Miura, Yuichiro Kawabata, Hikaru Nakamura
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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