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Thermally and chemically added-calcium composite activation of coal gangue and its application in cement Xuyan Songa, Jingyun Hanb and Zhihai Gaoc College of Civil Engineering, Suzhou University of Science and Technology, Suzhou 215011, China asongxuyan2002@163.com, bhjy303rz@yahoo.com.cn，cgaozhihai@mail.usts.edu.cn Keywords: coal gangue; added-calcium thermal activation; hydration degree; IR analysis Abstract.

Study on Effectiveness of Releasing Weld Residual Stress by Ultrasonic Impact Method Qiuling Zhang1a, Guanghong Xiao2b, Xiaoyu Liu3c 1 Institute of River and Ocean, Chongqing Jiaotong University,Chongqing,400074, 2 3Institute of Civil Engineering, Chongqing Jiaotong University,Chongqing,400074, a cqzql@163.com, b cq_xgh@163.com ,c liuxiaoyu@cquc.edu.cn keywords: Welding; Residual Stress; Ultrasonic Impact Abstract.

Effect of Temperature and Water Immersion on the Mechanical Properties of Coated Fabrics ZHANG Yingyinga, ZHANG Qilin b, ZHOU Chuanzhic and ZHOU Yingd College of civil engineering, Tongji University, Shanghai, China 200092 a zhangyingying85@163.com, bzhangqilin@mail.tongji.edu.cn chadesheart@163.com，d myownsecret@126.com Keywords: Coated fabrics, Temperature, Water immersion, Mechanical properties Abstract.

Effects of Sand Particle Size and Gradation on Strength of Reactive Powder Concrete Tao Jia, Baochun Chenb, Yizhou Zhuangc, Feng Lid, Zhibin Huange and Yongning Liangf College of Civil Engineering, Fuzhou University, Fuzhou, Fujian, 350108, China a jt72@163.com, b baochunchen@fzu.edu.cn, c yizhouzhuang@gmail.com, d lifeng_81@fzu.edu.cn, e 5334282@qq.com, f 124531250@qq.com Keywords: Reactive powder concrete, Toufar model, Sand particle size, Sand gradation, Strength.

Then draw a plumb-line upward in the horizontal axis according to the engineering geology’s thickness and a engineering geology to left in the vertical axis from where the squat places SA.
Chinese Journal of Rock Mechanics and Engineering, 2006(5)：979-984
Chinese Journal of Rock Mechanics and Engineering, 2007, 26(1)：102–107
Chinese Journal of Geotechnical Engineering, 2005,27(4):414-417
Chinese Journal of Rock Mechanics and Engineering. 2005(23)(4231-4237)

Journal of Structural Engineering, 109(10), 2387-2403, 1983 [4] Douglas, A.
Journal of Structural Engineering, 115(8), 1857-1876, 1989 [5] Qian, J.
Journal of Earthquake Resistant Engineering, 3(1), 15-18, 1992 [7] Qian, J.
Journal of Structural Engineering, 110(2), 340-353, 1984 [15] Egor, P.
China Civil Engineering Journal, 38(2), 27-31, 2005 [26] Li, G.

Ishaq, Self-compacting geopolymer concrete with spent garnet as sand replacement, Journal of Building Engineering, 15 (2018) 85-94 [2] H.L.
Mohamed, Performance of spent garnet as a sand replacement in high-strength concrete exposed to high temperature, Journal of Structural Fire Engineering, 10(4) (2019) [7] N.R.
Ponnada, Performance of spent garnet sand and used foundry sand as fine aggregate in concrete, World Journal of Engineering, (2021) [8] N.H.A.S.
Mazlan, Properties of Mortar Incorporating Spent Garnet as Fine Aggregates Replacement, International Journal of Integrated Engineering, 12(9) (2020) 96-102 [9] K.
Varga, Analysis of Mechanical Performance of Cementitious Materials with Spent Garnets as Fine Grain Aggregate Partial Replacement, Key Engineering Materials, 953, (2023) 127-139

Delphi Technique Procedures: A New Perspective in Construction Management Research Wesam Salah Alaloul1,a *, Mohd Shahir Liew2,b, Noor Amila Wan Zawawi3,c 1, 2, 3 Civil and Environmental Engineering DepartmentUniversiti Teknologi PETRONAS, 32610 Bandar Seri Iskandar, Perak, Malaysia.
Introduction Figure 1: Delphi technique publications in engineering fields (1971-2014).
Based on Scopus statistics, Delphi technique on engineering fields’ has more than 230 cited publication as distributed in Fig. 1 [9].
The peak of the technique application in engineering field was in 2011, cited 23 application as shown in Fig. 1 [9, 13].
Ceric, Minimizing communication risk in construction: a Delphi study of the key role of project managers, Journal of Civil Engineering and Management, 20 (2014) pp. 829-838

Laterite is a main civil building material for earth-rock dam in subtropical or tropical area.
Contrast test of main engineering indices.
It’s the fundamental reason for engineering indices variations of laterite.
Chinese Journal of Geotechnical Engineering, 2012, 34(1): 189-192.
Chinese Journal of Geotechnical Engineering, 1995, 17(5):42−47.

[4] ASCE, Minimum Design Loads for Buildings and Other Structures (ASCE/SEI 7-10), American Society of Civil Engineers, Reston, VA, USA, 2010
National Conference on Earthquake Engineering, EERI, vol.
American Society of Civil Engineers, Reston, VA, USA, 2006
Mercan, Real-time hybrid testing using the unconditionally stable explicit CR integration algorithm, Earthquake Engineering and Structural Dynamics, 38(1) (2009) 23–44
[10] PEER NGA, Pacific Earthquake Engineering Research Center NGA ground motion database, available at http://peer.berkeley.edu/nga, 2008.