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Waterproof Performance of Polymer-Modified Cement Mortar WANG Rua, MA Daoxunb , WANG Peimingc Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, School of Materials Science and Engineering, Tongji University, 4800 Cao’an Road, Shanghai 201804, China a ruwang@tongji.edu.cn, b daoxunma@163.com, c tjwpm@126.com Keywords: Cement mortar; Polymer; Capillary water absorption; Impermeability; Cracking; Dynamic elastic modulus Abstract.

The Optimal Performance of a Geopolymer Hollow Pyramidal Microwave Absorber with Triangular Slotted Mohamad Faisal Asmadi1,a*, Hasnain Abdullah1,b, Mohd Nasir Taib2,c, Mas Izzati Fazin1,d, Azizah Ahmad1,e, Nazirah Mohamat Kasim1,f, Noor Azila Ismail1,g, Mohd Muzafa Jumidali3,h 1School of Electrical Engineering, Universiti Teknologi MARA, Cawangan Pulau Pinang, Permatang Pauh, Pulau Pinang, Malaysia. 2Malaysia Institute of Transport (MITRANS), Universiti Teknologi MARA (UiTM) Shah Alam, Shah Alam, Selangor, Malaysia. 3Department of Applied Sciences, Universiti Teknologi MARA, Cawangan Pulau Pinang, Permatang Pauh, Pulau Pinang, Malaysia.
Mahmood et al., “Geopolymers and Fiber-Reinforced Concrete Composites in Civil Engineering,” Polymers , vol. 13, no. 13. 2021

Mechanical Properties of Modified Epoxy/Rubber Concrete SHU Xingwang1, a *, ZHANG Ying1, b 1 Key Lab of Highway Construction & Maintenance Technology in Loess Region, Ministry of Transport; National and Local Joint Engineering Laboratory of Advanced Road Materials; Shanxi Transportation Research Institute, Taiyuan 030006, China a shuxingwang@163.com, b 18535132510@163.com Keywords: Epoxy/rubber concrete; Elastic modifier; Stress-strain curve; Peak stress; Peak strain; Peak strain energy Abstract.
Journal of Materials in Civil Engineering, 5 (1993) 478-496

China 2Center for Natural Resources Development and Protection (NRDP), Department of Civil and Environmental Engineering, The New Jersey Institute of Technology, Newark, NJ 07102-1824, USA axiayqcug@gmail.com, bwwwsongli@126.com, cboufadel@gmail.com Keywords: Shale gas; Unconventional gas; Water resources; Environmental impacts; Policy Abstract.
China is now embarking upon substantial development of shale gas extraction, but the question of major public concern is whether or not the Chinese government will try to learn from the US experience not only to benefit from the new engineering techniques, but also to minimize the negative impacts of this technology on environmental and human health.

Jaio 3,4 1 Research Center of Tunneling & Underground Engineering, Beijing Jiaotong University, Beijing, China 2 Institute of Rock and Soil Mechanics, The Chinese Academy of Science, Wuhan, 430071, China 3 Civil & Structural Engineering, The Hong Kong Polytechnic University, Hong Kong, China 4 Center for Rockbursts and Induced Seismicity Research, Northeastern University, Shenyang, China Key words: heterogeneity, failure mechanism, fracture, numerical simulation, rock ABSTRACT This study is to evaluate the effect of the heterogeneity on the failure processes and strength characterization of brittle rock containing the single pre-existing crack (or flaw) under uniaxial compression loadings.

Conjugate Heat Transfer in Two Partial Enclosures Connected by Refrigerator/Heater Di Liu1, a, Fu-Yun Zhao2,b 1 College of Pipeline and Civil Engineering, China University of Petroleum, 266580, Qingdao, China 2 School of Power and Mechanical Engineering, Wuhan University, 430072, Wuhan, China aliudi66@163.com, liudi@upc.edu.cn, bzfycfdnet@163.com Keywords: Conjugate heat transfer, Natural convection, Refrigeration/Heating, Partial enclosures, Numerical simulation Abstract.

Evaluation of Mechanical Properties at Early Ages of Dry-mixed Self-compacting Concrete Peixiang He a, Xiushi Wang b, Jianguo Wang c School of Civil Engineering, Hefei University of Technology, Hefei, China ahpx@ustc.edu, bwxshfut@126.com, cjiangguow@hfut.edu.cn Keywords: dry-mixed self-compacting concrete; mix design; compressive strength; split tensile strength; size effect of strength Abstract.
The basic mechanical properties tests at early ages can be the basis for mechanical properties of flexural members and engineering applications.

An Experimental Study on Workability of Dry-mixed Self-compacting Concrete Xiushi Wang a, Jianguo Wangb and Peixiang Hec School of Civil Engineering, Hefei University of Technology, Hefei, China awxshfut@126.com, bjiangguow@hfut.edu.cn, chpx@ustc.edu Keywords: dry-mixed self-compacting concrete; mix proportion; workability; experimental study Abstract: This paper addresses mainly workability of dry-mixed self-compacting concrete (DSCC) based on the experimental study.
The workability tests can be the basis for further experimental study of basic mechanical properties and engineering applications.

., Jhongli, Taoyuan 32001, Taiwan 2Department of Civil Engineering, National Central University No.300, Jhongda Rd., Jhongli, Taoyuan 32001, Taiwan 3Department of Electronic Engineering, Chung Yuan Christian University No.200, Chungpei Rd., Jhongli, Taoyuan 32023, Taiwan aftsai@csrsr.ncu.edu.tw, bchoice@alumni.ncu.edu.tw, c1984chang@gmail.com Keywords: Kalman Filtering, Location Estimation and Tracking, Normalized Cross Correlation, Wireless Sensor Network, ZigBee Positioning System.

Static Behavior of Layered Fiber Reinforced Concrete T-Shaped Beam Yin Gu1, a, Weidong Zhuo1,b and Yuting Qiu1,c 1College of Civil Engineering, Fuzhou University, Fujian, P.
In recently, layered fiber reinforced engineered cementitious composites (ECC) and layered functionally-graded fiber-reinforced cement composites (FGFRCC) have been developed to achieve higher cost/performance ratio [4-6].