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Evaluation of Green Degree of Concrete Based on the Gray Relation Lei Zhang1,a, Xueying Bao1,b 1 School of Civil Engineering, Lanzhou Jiaotong University, Lanzhou, China azl0930@yeah.net, b baoxueying@mail.lzjtu.cn Keywords: Green concrete, Evaluation, Gray relation, AHP Abstract The indices system for the evaluation of green degree of concrete is established based on the function, durability and environmental protection of green concrete with involving both quantitative and qualitative analyses.

Experimental study of C band passive microwave remote sensing of soil moisture Xiaoliu Gao 12a Huihui Zhang 12b 1 College of Resources and Civil Engineering, Northeastern University, Shenyang, Liaoning 110004, China 2 Liaoning Provincial College of College of Communications ,Shenyang, Liaoning 110122, China agaoxiaoliu6@163.com, b95781061@qq.com Keywords: passive microwave remote sensing; soil moisture；roughness；microwave radiometer Abstract.

Rutting resistance of rubberized asphalt concrete pavements containing reclaimed asphalt pavement mixtures,J.Journal of Materials in Civil Engineering.19 (2007) 475-483

Investigation of Electromagnetic Interference Shielding Effectiveness of Cement-based Composites Filled with Carbon Materials Guoxuan Xiong1, 2, a, Zhibin Zhang1, 2, b, Min Deng3, c and Yufen Zhou1, 2, d 1Key Laboratory of Radioactive Geology and Exploration Technology Fundamental Science for National Defense, East China Institute of Technology, Fuzhou City, Jiangxi, 344000, China; 2Key Laboratory of Nuclear Resources and Environment (East China Institute of Technology), Ministry of Education, Nanchang, 330013, China; 3College of Materials Science and Engineering, Nanjing University of Technology, Nanjing, 210009, China agxxiong@ecit.cn, bzbzhang@ecit.en, cdengmin@njut.edu.cn, dyfzhou@ecit.cn Keywords: Carbon materials; Cement-based composites; Shielding effectiveness Abstract.
It is turning into the fourth pollution source and has caused adverse effect including interrupting the martial and civil communication, revealing the secret of business, politics and military affairs.

Construction and Experiment of the Harbin Ice Shell Guibo Nie1, a,Xudong Zhi1,b , Feng Fan1, c, Tusomu Kokawa2, d, Shuang Niu1, e and Zhiwei Yu1, f 1School of Civil Engineering, Harbin Institute of Technology, Harbin, 150090, China, 2Technique Team of Ice Garden (Zhaolin Park) in Harbin anieguibo0323@163.com, bzhixudong@hit.edu.cn, cF.Feng@hit.edu.cn, eaniu@126.com, fzhiweiyu@hit.edu.cn Keywords: ice shell; creep test; temperature load; creep displacement Abstract.

Analysis of Affordable Housing Space Layout ——Case Study of Ningbo, Zhejiang Yangfei Huang School of Civil Engineering and Architecture, ZheJiang University of Science & Technology, ZheJiang, Hangzhou, 310023, China flylisa@163.com Keywords: Affordable housing, Space layout, Ningbo Abstract.

Preparation and Properties of Pressed Metakaolin and Fly Ash Based Alkali-Activated Binders Jana Boháčová1,a, Stanislav Staněk1,b, Pavel Mec1,c 1Faculty of Civil Engineering, VŠB – TU Ostrava, Ludvíka Podéště 1875/17, 70833 Ostrava, Czech Republic ajana.bohacova@vsb.cz, bstanislav.stanek@vsb.cz, cpavel.mec@vsb.cz Keywords: Alkali-activated, geopolymer, fly ash, metakaolin Abstract.

Experimental Study on The Ultrafine Powder Admixture of Fly Ash and Silica Fume Qiang Li1,a,Jin Huo1,b,Zhijun Ma1,c, Yuan Li1,d,Junce Wang1,e,Wei Wang2,f 1College of Mining,Liaoning Technical University,Fuxin 123000,China 2School of Civil Engineering,Shi jiazhuang Tie Dao University,Shi jiazhuang 050000, China a53277857@qq.com, b445874952@qq.com, c313020696@qq.com, d876030801@qq.com, e356450085@qq.com, fwangweiuuu@163.com Keywords:Ultrafine powder,Fly ash,Silica fume,Compound activator,Admixtures Abstract.The ultrafine powder composite admixture of fly ash and silica fume were researched in this article according to ultrafine powder fly ash and silica fume features.Through the different proportions of admixture strength test to determine the best ratio.The experimental results showed that appropriate admixture with 21.5%,12% of fly ash,8% of silica fume,1.5% of compound activator 28 days of flexural strength could be achieved 10.8Mpa,compressive strength could reach 54Mpa.

Study on Normal Section Bearing Capacity of Stone Arch Rib Enclosed by Reinforced Concrete Zhang Jing1, a, Qian Yongjiu2,b 1, 2School of Civil Eng, Southwest Jiao tong University, Chendu 610031, China aZhangjing7486@yeah.net, byjqian@sina.com Keywords: normal section bearing capacity; enclosed by reinforced concrete; the existed stress level.
Introduction The strengthening method of enclosed the construct by reinforced concrete is are widely used in strengthening engineering of stone arch bridge [1,2] .

The Combined Effects of Fiber and Cement-based Composite Materials Hua Yuan1, a, Yunhua Li1, b 1School of Civil Engineering and Architecture, Henan University, Kaifeng, Henan, 475004, China ayuanhuazzl@163.com, balpha0948@126.com Keywords: Fiber, Cement, Composite material, Crack resistance, Enhancement mechanism.