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Experimental study on reinforced hollow beam with Carbon Fiber Reinforced Polymer and External Prestressed Strand Shaowei Zhao1, a, Xianping Qiao1, b 1School of Civil Engineering, Hebei University of Technology, Tianjin 300401, China azhaoshaowei@vip.sina.com, bxianpng@163.com Keywords: Carbon Fiber Reinforced Polymer, External Prestressed Strand, Composite Reinforcement, The True Type Hollow Beam Abstract.With the development of bridge reinforcement technology, various reinforcement methods has matured, however, just rely on a reinforcement method can not meet the current needs of the project.

Experimental study on the damaged RC frame structure strengthened by composite reinforcement of CFRP and steel plate under low-cycle repeated load Shaowei Zhao1,a, Kun Yuan1,b and Rong Guo1, c 1School of Civil Engineering, Hebei University of Technology, Tianjin, 300401, China azhaoshaowei@vip.sina.com,bkunkun860321@126.com, ctjygr@126.com Keywords：Damaged RC Frame Structure, Seismic Property, CFRP Strengthened, CFRP And Steel plate Strengthened, Low-cycle And Repeated Load Abstract: We take low frequency cyclic reverse tests to three RC frames made with the same dimension.

Introduction During the past few decades, various vibration-based methods have been developed for damage identification in the fields of civil, aerospace and mechanical engineering, etc.

From ideology to physical form about the planning and design of Luyi Laozi-house Yizhong Zhang1, a, Zhaoru Guo 1, b 1School of Civil Engineering and Architecture, Henan University, Kaifeng, Henan, 475004, China a sjszyz@126.com, b gzr312124450@sina.com.

Experimental Study on Flexural Bearing Capacity of Reinforced Ceramsite Concrete beam WeiJun Yang1,a ,ZhengBo Pi1,b ,ZhenLin Mo1,c (1.School of Civil Engineering and Architecture,Changsha University Science &Technology,Changsha,Hunan, 410114,P.R.China) a mgbyrh@163.com; bpizhengbo@163.com; c530585093@qq.com; Keywords: reinforced ceramic concrete beam; flexural bearing capacity; experimental investigation Abstract .In order to investigate the flexural bearing capacity of reinforced ceramic concrete beams, static loading experiments were carried out. 10 ceramic reinforced concrete beams and 2 non-reinforced ceramic concrete with different steel ratios, cover thicknesses and bar diameters were fabricated.

Mechanical Properties and Permeability of Recycled Aggregate Concrete at Low Water/Binder Ratio Gai-Fei Peng1, a, Qi-Bin Liu1,b, Zhu-Bo Guo1,c, Qiao-Xing Hou1,d, Si-Qi Cao1,e and Jiu-Feng Zhang1,f 1 Faculty of Civil Engineering & Architecture, Beijing Jiaotong University, Beijing, 100044, China agfpeng@bjtu.edu.cn, b 07231221@bjtu.edu.cn, c 07232007@bjtu.edu.cn, d 07232008@bjtu.edu.cn, e 07231211@bjtu.edu.cn, f 07121498@bjtu.edu.cn Keywords: Concrete; recycled aggregate; mechanical properties; permeability; gravel; mortar Abstract.

Influence of Permeability of HCSA Expansive Agent on High Volume Fly ash Concrete Fangfang HOU1,a and Juanhong LIU1,b 1College of Civil and Environmental Engineering, University of Science and Technology Beijing, Beijing, China ahoufang6131@163.com, bjuanhong1966@hotmail.com First author: HOU Fangfang(1986–),female,postgraduate for master degree.

Introduction As the hardest known engineering material, diamond is extensively used in tools for processing through hard materials such as cermet composites, high strength alloys and strong ceramics.
For instance, drilling tools for rock perforation in the petroleum industry and tools for cutting stones or concrete for civil construction require diamond as the most efficient abrasive material.

Analysis on the Skyline of Cities Close to Waters Hui WAN Civil & Construction Engineering Institute,Jiangxi Science and Technology Normal University,Nanchang,China A274561041@qq.com, Keywords: Urban skyline; Nanchang; Social value; Factors Abstract.

School of Civil Engineering，ShenyangJianzhuUniversity，Shenyang110168，China; a1054922706@qq.com Key words: Mortar ratio; Sand gradation; Grouting material; Ultra strength Abstract: The gradation of coarse sand, medium sand and fine sand on fluidity initial, final setting time, flexural strength, compressive strength, and other properties and structure, of ultra early strength grouting material, was explored.