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Empirical model of concrete block fragment behavior under explosion loads: 《Science China(Technological Sciences)》2024年第8期2515-2529,共15页YANG Shuai NING JianGuo REN HuiLan XU XiangZhao; supported by the National Natural Science Foundation of China (Grant Nos. 12032006 and 12372350)。; Concrete structures undergo integral fragmentation under explosion loads. The fragmentation degree and particle-size distribution of concrete blocks under explosion loads must be considered during mining to ensure saf...; 关键词：concrete structures explosion loads fragment behavior empirical model

Crack detection for wading-concrete structures using water irrigation and electric heating: 《Frontiers of Structural and Civil Engineering》2023年第3期368-377,共10页Jiang CHEN Zizhen ZENG Ying LUO Feng XIONG Fei CHENG; This work was supported by the Natural Science Foundation of Sichuan Province(No.2022NSFSC0422);China and the Fundamental Research Funds for the Central Universities,China.; Cracking in wading-concrete structures has a worse impact on structural safety compared with conventional concrete structures.The accurate and timely monitoring of crack development plays a significant role in the saf...; 关键词：structural health monitoring underwater concrete structure fiber Bragg grating crack detection temperature tracer method

A State-of-the-Art Review of Electrochemical Chloride Extraction for Concrete Structures: 《Open Journal of Civil Engineering》2023年第1期1-24,共24页Thamara Tofeti Lima; Electrochemical chloride extraction is a promising technique for the rehabilitation of concrete structures under chloride induced corrosion. This study consists of an extensive literature review of this treatment incl...; 关键词：Chloride Induced Corrosion Corrosion Rehabilitation Electrochemical Chloride Extraction Electrochemical Rehabilitation Methods Steel Reinforced Concrete

Numerical analysis of tunnel segments strengthened by steel-concrete composites被引量：2: 《Underground Space》2022年第6期1115-1124,共10页Jiao-Long Zhang Xian Liu Tian-Yu Ren Yi-Ming Shi Yong Yuan; supported by the National Natural Science Foundation of China(Grant Nos.52078376,51908424,and 52038008);the Shanghai Rising-Star Program(Grant No.22QB1405000);the State Key Laboratory for Hazard Reduction in Civil Engineering of Tongji University(Grant No.SLDRCE19-B-39).; In order to study the feasibility of strengthening of segmental tunnel linings by using steel-concrete composites(SCC),a three-dimensional(3D)finite element(FE)model is proposed in this paper.The nonlinear mechanical ...; 关键词：Nonlinear analysis Concrete structures Composite structures Shield tunnels Full-scale test

Research on Construction Technology Key Points of Concrete Structures in Civil Engineering Buildings: 《外文科技期刊数据库(文摘版)工程技术》2021年第8期770-772,共5页WANG Long; With the continuous development of China's construction industry, the national quality level of civil engineering construction has more stringent requirements. Based on this, in the construction of civil engineering, ...; 关键词：civil engineering concrete structure material ratio vibrating frequency

Defect-Detection Model for Underground Parking Lots Using Image Object-Detection Method被引量：2: 《Computers, Materials & Continua》2021年第3期2493-2507,共15页Hyun Kyu Shin Si Woon Lee Goo Pyo Hong Lee Sael Sang Hyo Lee Ha Young Kim; a grant(19CTAP-C152020-01)from Technology Advancement Research Program(TARP)funded by the Ministry of Land,Infrastructure and Transport of the Korean government.; The demand for defect diagnoses is gradually gaining ground owing to the growing necessity to implement safe inspection methods to ensure the durability and quality of structures.However,conventional manpower-based in...; 关键词：Faster R-CNN deep learning defect detection concrete structures

Mitigation of the blast load effects on a building structure using newly composite structural configurations被引量：3: 《Defence Technology（防务技术）》2021年第1期75-84,共10页Ahmed K.Taha M.S.Zahran Zhengguo Gao; In this study,a nonlinear three-dimensional hydrocode numerical simulation was carried out using AUTODYN-3D to investigate the effect of blasting of a high explosive material(TNT)against several configurations of the ...; 关键词：Concrete structures Blast waves Numerical simulation TNT

Material Mechanical Properties Necessary for the Structural Intervention of Concrete Structures: 《Engineering》2019年第6期1131-1138,共8页Tamon Ueda; Structural intervention involves the restoration and/or upgrading of the mechanical performances of structures. In addition to concrete and steel, which are typical materials for concrete structures, various ber-reinf...; 关键词：Structural intervention High fracturing strain No yielding Low stiffness ROUGHNESS Fiber-reinforced polymer Polymers

2-D Statistical Damage Detection of Concrete Structures Combining Smart Piezoelectric Materials and Scanning Laser Doppler Vibrometry: 《Structural Durability & Health Monitoring》2018年第4期257-279,共23页Costas P.Providakis Stavros E.Tsistrakis Evangelos V.Liarakos; In the present study a new structural health monitoring (SHM) technique isproposed as well as a new damage index based on 2-D error statistics. The proposedtechnique combines the electromechanical impedance technique ...; 关键词：CONCRETE damage detection Scanning Laser Doppler Vibrometry PZT error statistics

Fiber-Reinforced Polymers Based Rebar and Stirrup Reinforcing Concrete Structures: 《材料科学与工程（中英文A版）》2018年第2期47-54,共8页Marco Lindner Konrad Vanselow Sandra Gelbrich Lothar Kroll; 关键词：聚合物基增强纤维体结构纤维塑料应用程序纤维增强测试验证交通线路

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