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Elsaigh3,c 1Ph.D. student in the department of Civil & Environmental Engineering and Building Science, University of South Africa, Johannesburg, South Africa 2Department of Civil Engineering, University of Pretoria, Pretoria, South Africa 3Department of Civil & Environmental Engineering and Building Science, University of South Africa, Johannesburg, South Africa a17460069@mylife.unisa.ac.za, b elsabe.kearsley@up.ac.za, c hussiwam@unisa.ac.za Keywords: Geopolymer cement, Laterite soil, Masonry bedding mortar, Setting time, Flowability, Strengths, Bulk density, and Sustainable construction.
Acknowledgements The authors express their gratitude to the college of Science Engineering, and Technology, and the laboratory personnel at the department of Civil and Environmental Engineering and Building Science.
Deutou, “Lateritic soil based-compressed earth bricks stabilized with phosphate binder,” Journal of Building Engineering, vol. 31 (2020), p. 101465, doi: 10.1016/j.jobe.2020.101465
Ghugal, “Effect of Water-to-Geopolymer Binder Ratio on The Production of Fly Ash Based Geopolymer Concrete,” International Journal of Advanced Technology in Civil Engineering, Oct. (2012) pp. 296–300, doi: 10.47893/ijatce.2012.1048
Mahesh, “Research on Setting Time, Compressive Strength and Microstructure of Fly Ash-Based Geopolymer Mixture Containing Slag,” Iranian Journal of Science and Technology - Transactions of Civil Engineering, vol. 47, no. 3, pp. 1503–1517, Jun. 2023 [13] S.

Study on the Ecological Environment Impact Assessment of the Port Engineering based on the PSR Model Yun Cheng1, a, Li Li2 1College of Civil Engineering, Huaihai Institute of Technology, Lianyungang 222005, China 2Suzhou Newdu Architecture & Engineering Co., Ltd, Suzhou 215600, China acyorange@126.com Keywords: Port Engineering.
There are many interactive relationships between engineering and environment [1].
Engineering Life Cycle Management (China Building Industry Press, China 2011) [2] M.
Port&Waterway Engineering.
China Harbour Engineering.

Mechanical Property Study of Brine corroded High Performance Concrete (HPC) Peng Gao 1,2,a, Hongfa Yu 1,b 1 Department of Civil Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P.R.China 2 Inner Mongolia University of Science and Technology College, the school of Architecture and Civil Engineering, Baotou city, Inner Mongolia, 014010, China agaop182@163.com, byuhongfa@nuaa.edu.cn, Keywords: High performance concrete, Strength, Corrosion, Cure age Abstract. 4 kinds of mix proportion High performance concrete (HPC) was manufactured, whose material was produced from Inner Mongolia areas.
Nanjing: Southeast University Materials Science and Engineering school, 2004:1-4
Journal of Materials in Civil Engineering, 1994, 22 (2):107-166
Journal of Materials in Civil Engineering, 2008, 10(36):1494-1500
Journal of Materials in Civil Engineering, 2003, 31(8):763-769

Application study of the Calculation Method for Loads of Multi-arch and Extra Large Cross Section Tunnels in Double-side Drifts Construction Method Chongbang XU1,2,3, Xu ZHAO4 , 1 Research Institute of Highway Ministry Transport, Beijing 100191, China; 2Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China; 3 Department of civil Engineering, Tsinghua University, Beijing 100084, China 4The Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing 100124, China Xubang-2003@163.com Keywords: Multi-arch tunnel, loose loads, temporary support, Double-side drifts construction method.
Introduction The load calculation method of tunnel is a basic problem in the tunnel engineering.
China Civil Engineering Journal,6, 58-70.
Engineering Geology 48,59-81
Civil Engineering Department, Beijing Jiaotong University.

Experimental Study on the Concrete Performance Corroded by Different Salts under the Condition of Freezing-thawing Cycles Xiaoping Su1, a, Tingting Wang1, b 1 School of Civil Engineering, Changchun Institute of Technology, Changchun, Jilin, 130012, China a sxp5400@163.com, b 120125282@qq.com Keywords: saline soil, freezing-thawing cycle, salt corrosion, concrete, durability Abstract: The destructive effect of salt corrosion on concrete has attracted wide attention of civil engineering scholar nowadays.
In such environment damage of structural engineering often occurs under the action of freeze-thaw cycles and salt corrosion due to the lack of concrete durability.
Journal of hydraulic engineering,1999, (1): 41-49

Analysis of Solid T-pier Dynamic Response to Debris Flow XIU Zhenyu 1, ZHANG Mingjie*,2 ZHANG Chen3 HONG Yu2 1 The Faculty of Civil Eng.
School of Civil Eng. and Transportation of South China University of Technology,Guangzhou,Guangdong,China *mssj234@163.com Keywords: Bridge Structure Engineering,Mudslides,Block Stones,T-pier,Finite Elements Method, Energy analysis ,Dynamic Response Abstract:In recent years, traffic lines are rapidly thrusting into the hilly regions[1].
Finding the region of the highest stresses has important engineering significance.
References [1] Xiaobin Zhou.The harmful way and prevention of mud-rock flow disaster to the bridge structure[D].Shanghai:Tongji Univ.,2006 [2] Gang Cen.Analysis on the cause of concrete bridge structure damage[J] ChengShi Jianshe LiLun Yan Jiu,2011,(19) [3] Jikang Wang,Debris flow prevention engineering[M].Beijing：Chinese Railway Press,1996 [4] The basic construction bureau of the Ministry of Railways,Survey and treatment of debris flow,[S].1959 [5] Hong-kai CHEN, Kang MA,Yong-tai MA,etal.Outline of 《Design Guidbook of Civil Engineering against Debris Flow along Highways》[J], Journal of Chongqing Jiaotong University2006,(8):25-4 [6] Underhill w.R.L.
Experimental study on the rheological properties of mudslides[J].Journal of Hydraulic Engineering,1998,(9):7-13 [9] Guangqian Wang,Songdong Shao,Xiangjun Fei, Debris Flow Simulation：I-Model[J].

Adhesive anchors are widely used as post-installed fasteners in civil engineering.
Since this kind of post-installed anchors allowed the civil concrete work to proceed and without the requirements for the precise knowledge of the exact location of equipment, many constructors were using these anchors on new construction in place of traditional cast-in-place anchors[1-2].
[8] R A Cook, R E Klingner, Ductile multiple-anchor steel-to-concrete connections, Journal of structural engineering.118(1992) 1645-1665

Damage State Identification and Seismic Fragility Evaluation of the Underground Tunnels Thai Son Le1, a, Jungwon Huh1, b*, Jin-Hee Ahn2, c and Achintya Haldar3, d 1Department of Civil and Environmental Engineering, Chonnam National University, Korea 2Department of Civil Engineering, Gyeongnam National University of Science & Technology, Korea 3Department of Civil Engineering & Engineering Mechanics, University of Arizona, USA a sonlexd@gmail.com, b jwonhuh@jnu.ac.kr, c jhahn@gntech.ac.kr, d haldar@u.arizona.edu *Corresponding author Keywords: Soil-structure interaction, Fragility curve, Maximum likelihood, Latin hypercube sampling, Pushover analysis.
The resulting displacements of the tunnel are obtained by static analysis using MIDAS Civil finite element program [8].
[8] Information on http://manual.midasuser.com/EN_TW/civil/791/index.htm [9] K.

Rudakov-Grigoriev, Experimental Investigations of the soil foundation bed-engineering constructions system for highways, Bulletin of Volgograd State University of Architecture and Civil Engineering Series: Civil Engineering and Architecture, 11 (2008) 31-39
Kasharin, Protective engineering structures made of composite materials in the water construction, South-Russian State Technical University (NPI), (2012) 51-119
Kasharin, Protective engineering structures made of composite materials in the construction of water construction: the monography, South-Russian State Technical University (NPI), Novocherkassk, 2012
Kasharina, Reinforced Soil structure in hydraulic engineering.
Application of lightweight construction of hydraulic structures in hydraulic engineering, Novocherkassk, 1980

Generally, in some civil aircrafts, the frame is the structure of the aircraft.
[9] Civil Aviation Administration of China.Airworthiness standards for transport aircraft[S].
Beijing: Civil Aviation Administration of China, 2001: 84-86 (In Chinese)
Guidelines and methods for conducting the safety assessment process on civil airborne systems and equipment[S].
U.S.A: The Engineering Society for Advancing Mobility Land Sea Air and Space, 1996: 12-13 [11] Wei Huang, Yunwen Feng, Zhenzhou Lu, etal.