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Application of Water Reducing Agent in Concrete of Engineering Materials Huifang Zhang 1,a , Hongliang Huang 1,b ,Yingfei Sun2,c, Lifang Zhang3,d and Baoxin Yao4,e 1Hebei Institute of Architecture Civil Engineering, Zhangjiakou 075000, China 2Zhangjiakou Saiyang Architectural Designing Ltd. 075000, China 3 College of Light Industry, Hebei United University, Tangshan 063009, China 4the 5th Engineering Ltd. of the 11th Engineering Bureau of China Railway, Chongqing,China azhfsyf_79@sohu.com, bhuanghong.5055@163.com, csunyingfei128@126.com, dchzlf131@sina.com, eybx502@sina.com Keywords: Water reducing agent; Concrete; Engineering Materials; Compatibility; Fluidity Abstract.

Islam5,e 1,2,3,4,5Department of Civil Engineering, Rajshahi University of Engineering & Technology, Rajshahi, Bangladesh.
This study presents the information about the civil engineering applications of foundry sand and tiles waste, which are technically sound, cost effective and is environmentally safe.
Recent Trends in Replacement of Local sand with Different Alternatives, International Conference on Advances in Engineering and Technology (ICAET), pp. 59-66
Ceramic Dust as Construction Material in Rigid Pavement, American Journal of Civil Engineering and Architecture (AJCEA), Volume 1, Issue 5, PP. 112-116
Application of foundry waste sand in manufacture of concrete, IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE), pp. 43-48

Clifton2,d and Stephen Hicks3,e 1Department of Civil and Natural Resources Engineering, University of Canterbury, Christchurch, New Zealand 2Department of Civil and Environmental Engineering, University of Auckland, Auckland, New Zealand 3NZ Heavy Engineering Research Association (HERA), Manukau, Auckland, New Zealand *corresponding author atushar.chaudhari@pg.canterbury.ac.nz, bgregory.macrae@canterbury.ac.nz, cdes.bull@canterbury.ac.nz, dc.clifton@auckland.ac.nz, and estephen.hicks@hera.org.nz Keywords: Earthquake engineering; Moment frames; Overstrength; Panel Zones; Structural steel; Composite Slabs.
Of Civil Engineers Part 2, 91(4) (1991) 679-704
Conf. on Composite Construction in Steel and Concrete, North Queensland, Australia, 28–31 July 2013, American Society of Civil Engineers, Reston, Virginia, USA, ISBN: 9780784479735, 77-92, 2013
I: Performance, Journal of Structural Engineering, 124(8) (1998) 868-876
Gross, Slab effects in SMRF retrofit connection tests, Journal of Structural Engineering, 127(3) (2001) 230-237

Kruger2, b 1Faculty of Engineering and the Built Environment, Department of Civil Engineering Science, University of Johannesburg, South Africa 2 Faculty of Engineering and the Built Environment, Department of Civil Engineering Science, University of Johannesburg, South Africa a ajannesb@uj.ac.za, b dkruger@uj.ac.za * Corresponding author Keywords: concrete patch repair; training; repair material Abstract.
Corps of Engineers found that 50% of the repairs that they performed to their structures can be classified as successful, 25% as fair or poor, and 25% as failed [4].
Army Corps of Engineers found that only 50% of repairs of its structures can be rated as being good.
(Question 5) Fig. 6 shows the membership of the some of the applicable professional associations such as the Engineering Council of South Africa (ECSA), the South Africa Institute for Civil Engineering (SAICE), the Concrete Society of Southern Africa (CSSA) and more.
Vogel, Operation successful, patient died – the assessment of structures as an engineering (or a medical) problem, in R.K.

Damage evaluation of concrete based on acoustic emission b-value Zhengzheng Xu1, a, Yan Wang1,b , Shengxing Wu1,c and Yao Wang2,d 1College of Civil Engineering, Hohai University, Nanjing, China, 210098 2School of Architecture & Civil Engineering, Jinling Institute of Technology, Nanjing, China, 211169 ahhuxu1989@163.com, bhhuwy@126.com, csxwu@hhu.edu.cn, dwangyao0409@163.com Keywords: Acoustic emission; b-value; concrete; mortar; crack Abstract.
Literature review The AE b-value has attracted both researchers and practicing engineers to apply it to study the damage process of concrete in laboratory and practical engineering extensively.
The history and development of acoustic emission in concrete engineering[J].
Journal of Materials in Civil Engineering, 2003, 15(3): 208-286
Engineering Fracture Mechanics, 2012, 87(6): 36-47

Due to this, civil construction is considered one of the main drivers of the Brazilian economy [1].
This impact was reduced by Brazilian Decree No. 10,342, of May 7, 2020, which establishes that civil construction activities are essential.
Thermal Science and Engineering Progress, 24 (2021) 1-10
Thesis (Doctoral in Process Engineering).
Case Studies in Thermal Engineering 33 (2022) 1-14.

On the Important Mechanical Properties of Rubber-Sand Korhan Adaliera and Ahmet Pamukb Civil and Environmental Engineering, Florida State University at Panama City, Florida, USA akadalier@pc.fsu.edu, bapamuk@pc.fsu.edu Keywords: Scrap tires, Rubber-Sand, Geo-material, Mechanical Properties, Laboratory Testing.
Acknowledgements The tests were performed at Nanyang Technological University (NTU)-Singapore by Civil Engineering students J.
J Geotechnical and Geoenvironmental Engineering, ASCE 1999; 125(2):132-140
Civil Engineering Magazine, ASCE, New York, January 1989
Engineering properties of tire chips and soil mixtures.

Contrast Experiment of Common Crack Repair Method and Comprehensive New Repair Technology Research Zhiqiang Li1,a , Narui Bu1,b, Xiaohong Cong1,c 1 Dept of Civil Engineering, Hebei Institute of Architecture and Civil Engineering, Zhangjiakou, 075024, China alizq_369@sina.com, bbunarui@126.com, cgwb.xiao@163.com Keywords: Basalt fiber cement mortar; BICS; combination repair technology Abstract.
So it is necessary for all kinds of crack repairing technology was studied, on the basis of the best cost-effective choice method, crack repair engineering for reference.
This study presents the basalt fiber cement mortar with BICS comprehensive repair of crack, and experimental research was done, according to the test results and the engineering experience, put forward the basic procedures and technology of crack repair method, providing reference for project application.
So it is necessary for all kinds of crack repairing technology was studied, on the basis of the best cost-effective choice method, crack repair engineering for reference.
This study presents the basalt fiber cement mortar with BICS comprehensive repair of crack, and experimental research was done, according to the test results and the engineering experience, put forward the basic procedures and technology of crack repair method, provide reference for project application.

Influence of the cross section of hood on the compression wave generated by a high-speed train Yaguang Yan School of Civil Engineering,Hebei University of Engineering, Handan 056038,P.R.China yaguangyan@gmail.com Key words: hood; cross section;compression wave; numerical computation Abstract:An analysis is made of the compression wave generated when a high-speed train enters a tunnel with hood.
Proving calculation model This paper adopts three engineering experience formulas to calculate the maximum value of pressure change about the compression wave in tunnel,and taking the results to compare with the result of numerical model.
Engineering experience formula.The engineering experience formula has usually three kinds[3].They are shown in the following.
References [1] Woods W A,Pope C W.A:Journal of Wind Engineering and Industrial Aerodynamics, 1981(7),p.331
[2] Yaguang Yan, Qingshan Yang,Jian Zhang:International Conference on Civil Engineering and Transportation 2011,2011,p.1143 [3] Vardy A E,Dayman B:Proc 3rd International Symposium on the Aerodynamics and Ventilation of Vehicle Tunnels.

Study on Records of the Wenchuan MW 8.0 Strong Earthquake in 2008 En Guo1,2,a Xiyuan Zhou2,b Zuozhou Zhao1,c Hang Sun3,d 1 Key Laboratory of Civil Engineering Safety and Durability of China Education Ministry, Department of Civil Engineering, Tsinghua University, Beijing, 100084, China 2Beijing Key Laboratory of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing, 100124, China 3School of Communication Science and Engineering, Harbin Institute of Technology, Harbin, 150090, China aguoen89@emails.bjut.edu.cn, bzhouxy@bjut.edu.cn, czzzhao@tsinghua.edu.cn, dbridge_hit@126.com Keywords: acceleration record, attenuation curve, peak ratio, peak average.
Engineering and Technical Reports on China Digital Strong-Motion Observation Network, Project Inspection Report (2008).
Journal of Earthquake Engineering and Engineering Vibration. 29: 1-13(2009)
In: Earthquake Engineering [M], Earthquake Press(1988).
，Fundamentals of Earthquake Engineering，Prentice-Hall，Englewood Cliffs,N.J.(1971).