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Study on the Error of Four-Position North Seeking System Based on the Single Axis Fiber Optic Gyroscope Keke Duan1,a, Denghua Li2,b , Renzhong Pei2,c 1School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, China 2School of Automation, Beijing Information Science and Technology University, Beijing, China aduankeke2010@126.com, bldh@bistu.edu.cn, cenjoyprz@126.com Keywords: north seeker, four-position scheme, error sources, influence coefficient Abstract.
It is also used in the civil fields, for example, mining, tunnel construction and well drilling etc.

Use of Rejuvenators to Rejuvenate Asphalt Binders in RAP Iva Krcmova1, a*, Petr Hyzl1, b, Pavla Nekulova1, c, Pavel Coufalik1, d, Ondrej Dasek1, e 1Brno University of Technology, Faculty of Civil Engineering, Institute of Road Structures, Veveri 95, 602 00 Brno, Czech Republic * akrcmova.i@fce.vutbr.cz, bhyzl.p@fce.vutbr.cz, cnekulova.p@fce.vutbr.cz, dcoufalik.p@fce.vutbr.cz, edasek.o@fce.vutbr.cz Keywords: Reclaimed asphalt pavement, RAP, Ageing, Bitumen, Dynamic shear rheometer, DSR, RTFOT.

Embodied energy and carbon in construction materials, Proceedings of the Institution of Civil Engineers-Energy,161(2), 87-98

[5] CCES01-2004: Design and Construction Guide of Concrete Structures Durability (China Civil Engineering Society, 2005)

Civil and military facilities require designing high performance and high energy absorbing materials and structures.
[7] M.H.Türk, M.S.Hoo Fatt: Composites Part B:Engineering Vol. 30(1999), p.157–165

Behaviour of Concrete Filled Steel Tube Reinforced Concrete (CFSTRC) Stub Columns: Experiments *Yong-Jin Li1,2,a, Qing-Xin Ren2,b and Fei-Yu Liao1,2,c 1 College of Transportation, Fujian Agriculture and Forestry University, Fuzhou, 350002, PR China 2 Department of Civil Engineering, Tsinghua University, Beijing, 100084, PR China.

Analyzing the Distribution of Energy Consumption of Coagulation Technological Using the Fractal Dimension Yanzhen Yu1,a, Juan Tan1,b, Yong Sun1,c, Yuxing Zhou1,d, Lei Cheng1,e 1School of Civil Engineering and Architecture, University of Jinan, Jinan 250022, China acea_yuyz@ujn.edu.cn, bcea_tanj@ujn.edu.cn, csdsyzzh5@sina.com, dZhouyuxing2006@yahoo.cn, echengleifly@126.com Keywords: high-ferric-based silicon coagulant; flocs; fractal dimension; distribution of energy consumption Abstract.

Tensile Strength Test and Analysis for Bolts with Hot-Dip Galvanizing Yi-liang PENG1, a, Jun-fen YANG2, b, Hong-bo LI1, c, Xuan-min HAN1, d 1Henan Electric Power Survey & Design Institute, Zhengzhou 450007, China 2School of Civil Engineering, Xi’an University of Architecture & Technology, Xi’an 710055, China apyl_ok@126.com, byjf9807@126.com, cv_lhb@126.com, dhsm30539@126.com Keywords: hot-dip galvanizing, tensile strength, hydrogen embrittlement Abstract.

Study on the Surface Modification of Nanometer Calcium Carbonate Zehong Wang 1, a Jinghua Chen 1, b Wanzhong Yin 1, c Yuexin Han 1, d 1 School of Resources and Civil Engineering, Northeastern University, Shenyang, China 110004 a wangzehong@mail.neu.edu.cn, b wzehong@gmail.com, cyinwanzhong@mail.neu.edu.cn, d hamyuexin@mail.neu.edu.cn Keywords: Nanometer calcium carbonate, KR-TTS titanate coupling agents, activity index, FT IR analysis Abstract: Titanate coupling agents KR-TTS is used to modify nanometer calcium carbonate and the modified powder is characterized.

Properties of artificial lightweight aggregates(ALAs) made of dredged soil mixed with waste catalyst slag Sinae Jo1, a, Yootack Kim1,b, Seunggu Kang1,c and Changsam Kim2,d 1Department of Advanced Materials Engineering, Kyonggi University, Suwon, Korea 2Energy Storage Research Center, KIST, Seoul, KOREA atlso1535@naver.com, bytkim@kgu.ac.kr, csgkang@kgu.ac.kr, dcskim@kist.re.kr Keywords: artificial light-weight aggregates, dredged soil, waste catalyst slag, bloating, black core Abstract.
The ALAs fabricated in this study showed the specific gravity of 0.8~2.0 and water absorption of 2~16% so it could be applied to various fields such as the lightweight concrete for civil Structures or the field of the porous carriers for purification of a contaminated soil or water.