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Durability of Stainless-Steel Reinforced Grout Against Salt Attack Sara Fares1,a*, Rebecca Fugger1,b, Stefano De Santis1,c and Gianmarco de Felice1,d 1Department of Engineering, Roma Tre University.
Funding is acknowledged also from MIUR, within the Departments of Excellence Initiative 2018-2022, attributed to the Department of Engineering of Roma Tre University.
Speranzini, Durability Analysis for FRP and SRG Composites in Civil Applications, Key Eng.

Research on Fresh Concrete Water-cement Ratio Based on Resistivity Method Haibo Ren1,a, Jian Yin1,b *, Zhenghui Sang1,c and Ting Gao1,d 1 Institute of Civil Engineering Materials, Central South University of Forestry and Technology, Changsha, China a 562586289@qq.com, b csuyj700930@163.com, c 605446053@qq.com, d 501960937@qq.com, Keywords: fresh concrete, resistivity method, water-cement ratio.
That inferior concrete directly used in concrete structures will bring hidden dangers to engineering quality.

-Kore International School of Earthquake engineering and Dynamic Analysis financed by the Italian National Operative Programme - PON ‘‘R&C’’ 2007–2013 (Code: PONa3_00374/F1) to the University of Enna ‘‘Kore’’.
Cucchiara, Strenghthening of Solid Brick Mansory Columns with Joints Collared by Steel Wires, Jounarl of Civil Engineering and Scienze, 3 (2014), 171-179.

Precipitating rate of ion in cement-based materials Guangcheng Long 1,a, Youjun Xie 1,b, Zhiwu Yu 1,c 1 School of Civil Engineering and Architecture, Central South University, Changsha City 410075, Hunan Province, P.
Total amount of chloride ion was measured by dissolution of nitric acid method according to Chinese Standard of Experimental Guideline of Concrete of Maritime Engineering （JTJ 270-98）.

Experimental Study on Behaviors of Unbonded Prestressed Concrete Beams Reinforced with CFRP Tendons Wenzhong Zheng1, Chongxi Bai2 and Huidong Cheng School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, PR China 1zhengwenzhong@hit.edu.cn; 2baichongxi241830@163.com Key words: unbonded CFRP tendon; prestressed concrete beam; stress increment; plastic design; moment modification Abstract: In order to research behaviors of unbonded prestressed concrete beams reinforced with CFRP tendons, static load experiments on 4 partially prestressed simple beams with unbonded CFRP tendons and 9 two spans partially prestressed concrete continuous beams with unbonded CFRP tendons were performed.
Development of Ductility Design Guidelines for RC Beams with FRP Reinforcing Bars, Advances in Structural Engineering.

Fahmy,2,b,Ayman Ali Ahmed Nada,3,c, and Mohamed A.H Gepreel1,d,∗ 1Materials Science and Engineering Department, Egypt-Japan University of Science and Technology, New Borg El-Arab City 21934, Alexandria, Egypt 2Sustainable Architecture Program, Egypt- Japan University of Science and Technology, New Borg El-Arab city 21934, Alexandria, Egypt 3Mechatronics and Robotics Engineering Department, Egypt-Japan University of Science and Technology, New Borg El-Arab city 21934, Alexandria, Egypt aPaul.kamugisha@ejust.edu.eg, bmohamed.fahmy@ejust.edu.eg, cayman.nada@ejust.edu.eg, dMohamed.gepreel@ejust.edu.eg.
Zabihollah, "Recent advances in the applications of shape memory alloys in civil infrastructures: a review. structures 27: 1535-1550," 2020

Research on reinforcement of spiral case during capacity-increasing improvement for Gezhouba Hydropower Station Wang Xian-jun College of Civil Engineering and Architecture, China Three Gorges University, Yichang 443002, China toto9316@yahoo.com.cn Keywords: capacity-increasing improvement; reinforcement of spiral case ;Gezhouba Hydropower Station Abstract： The stress and deformation of spiral case of Gezhouba Hydropower Station under three working conditions such as before the capacity-increasing improvement, during the disassembly of the spiral case and after the capacity-increasing improvement are calculated by three dimensional FEM..the reinforcement plan of spiral case is proposed based on the above calculation results and also analyzed by three dimensional FEM.
(In Chinese) [2] Zhao Wen-Ting, Preliminary analysis and reinforcement treatment of offset accidents of turbine spiral case of flood control self-power station [J], Water Resources and Hydropower Engineering. 1997,28(7). 40-43.

Introduction Nondestructive testing techniques as diagnostic tools in structural mechanics have received great attention in the engineering communities in last decades.
There are good reasons for this interest: firstly, the mechanical system consisting of a single beam describes the behavior of many structures which are important both for the civil and mechanical engineering field; secondly, the problem of identifying a crack in a beam gives rise to the basic diagnostic problem and, therefore, it represents an important benchmark to test the accuracy of identification techniques.

Freeway Construction and Management Technology Research Based on the Data Net Toll-by-Weight Fees Jufen Zhu 1, a, Ziqiang Li2, b Keqin Zhou3, c 1School of River&Ocean Engineering Chongqing Jiaotong University Chongqing China 2School of Civil Engineering & Architecture Chongqing Jiaotong University Chongqing China 3China Merchants Chongqing Communications Research & Design institute Chongqing China awzhujufen@163.com, blzq1102dd@163.com, czhoukeqin@cmhk.com Keywords: Net Toll-by-weight Fees, Construction and Management, Technology Research.

Tahir1,e, Poi Ngian Shek1,f 1Faculty of Civil Engineering,Universiti Teknologi Malaysia, 81310 Johor Bahru, Johor, Malaysia.
Introduction Past over several decades, composite structure are mostly used in bridge engineering [1] and building construction [2, 3], where steel beam or girders act compositely with concrete slab.