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Study on Load Condition for In Service Bridges in overload non-controlling Area Xianghai ZHOU 1,2,a, Juan DU 2,b 1Civil Engineering School of Architecture,Chongqing Jiaotong University,Chongqing 400074,China 2 Southeast University Chengxian College,Department of Civil Engineering, Nanjing ,Jiangsu 210088,China axianghaizhou@126.com,byunyu0202@126.com Keywords: Bridge Engineering, Vehicle Load, Fitting Of Distribution, Probabilistic Model, Multiple-peaked Distribution.
[3]HAN Dajian，DU Jiang．Research On Extreme Value Analysis Method of Actions On Engineering Structures[J]．Journal of Architecture and Civil Engineering，2008，25(2)：68-71
[4]GONG Jinxin．Computational Methods for Reliability of Engineering Structure[M]．Dalian：Dalian University of Technology Press，2003
[5]P．R．China ．Ministry of Constructions．GB/R 50283-1999 Unified Standard for Reliability Design of Highway Engineering Structures[S]．Beijing：China Planning Press，1999
Engineering Structures.2002,8(24):1071~1084.

Mechanical Properties of the Section from Steel Tube-Reinforced Concrete Pier Zhen Wang1, a, Xiuxin Wang1,b 1School of Civil Engineering, Southeast University, Nanjing, China 210096 asdkj199017@163.com, bseu139091@163.com Keywords: Bridge engineering, Pier, Concrete filled steel tubular, Stirrup-confined concrete, Curvature ductility, Bearing capacity of section Abstract.
Fan: China Civil Engineering Journal, Vol. 35 (2002), p.47 (in Chinese) [4] L.H.
Spacone: Journal of Structural Engineering, Vol. 126 (2000), p. 654 [7] B.D.
Park: Journal of structural engineering, Vol. 114 (1988), p. 1804 [9] K.A.S.
Usami: Engineering Structures, Vol. 23 (2001), p. 1331 [10] L.H.

Construction Technology of Long Spiral Bored Piles Yuhong Zhao, a 1 Dept. of Civil Engineering, Sichuan College of Architectural Technology, Deyang, Sichuan, China a540895565@qq.com Keywords: Long spiral bored pile, process principles, operating points Abstract.
Through the construction process of the Administrative Center Station, Kunming rail traffic, study the construction technology of long spiral bored piles, for engineering characteristics and difficulties, put forward the proposed measures, and analyze the application prospects of the technology.
The easy operation, high speed of concrete pouring and good quality could reduce the cost. [1] Project Overview The administrative center station of the civil engineering IV of the first-phase project of Kunming Rail Transit is located in the intersection of Caiyunnan Road and Tuofeng Road of Chenggong New Area of Kunming.
Control the lifting speed of piles according to the technology test and the parameters approved by the supervising engineers.
Thus, it should be weighed according to the actual situation. [6-7] References [1] Ailing Ding, Long spiral bored pile safety management process, City Construction Theory Study [J], 2012(15) [2]Xiping Wang: Application of long spiral bored pile in fundamental engineering, Oil and gas fields ground engineering, 2008, 27(4) [3]General technical specification reinforced mechanical connection [4]Acceptance of welded steel Specification, JGJ18-2012 [5]Building Pile fundamental technical specifications, JGJ94-2008 [6]Yuehui Deng: Compare and application of long spiral bored pile and manual hole digging pile, Domestic and foreign building, 2007(2) [7]Zheng Wang, Wei Zhuang: Study and application of long spiral bored pile construction technology, China Science and Technology Expo, 2011(26)

Analysis of Testing Methods for Volume Stability Evaluation of Steel Slag Sand Yunxia Lun1,a, Shaoshun Liu 2,b, Mingkai Zhou 3,c,Xiaofan Liu1,d 1 School of civil engineering, Wuhan polytechnic university, China 2 Management department of guixing expressway, China gezhouba group co., LTD, China 3School of material science and engineering, Wuhan university of technology, China alunyunxia@163.com, bliushaoshun2008@163.com, czhoumingkai@163.com, dhnsfine@163.com Key words: volume stability, steel slag sand, testing methods,content of free CaO and MgO, expansion rate Abstract: Many testing methods are used to evaluate the volume stability of steel slag sand, but none of them can legalized widely, which hinders its extensive use.
Every year nearly 50 million tons of steel slag is generated, but the utilization rate is only 10% in civil engineering in China [1].
At the same time, another serious problem draws the concerns that consumption of natural sand and stone reaches billion tons annually in civil engineering which exacerbated the imbalance between supply and demand.
The excellent physical and mechanical properties generated by steel slag have been reported and give a promise for a potential new use for the material in civil engineering as aggregates[2-5].
Geosystem Engineering, 2002, 5(2),p 38 [4] M.

Baluch 3,c 1 Center for Engineering Research, King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia 2,3 Civil Engineering Department, King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia a mkrahman@kfupm.edu.sa, bmisam@kfupm.edu.sa, cmhbaluch@kfupm.edu.sa Keywords: Hollow core slab, Prestressed concrete, CFRP sheets, Strengthening, Flexure, Shear, Full-scale load Testing, Finite element, Non-linear FE.
Acknowledgments The authors wish to acknowledge the support provided by the Center for Engineering Research at the Research Institute and Department of Civil Engineering a, King Fahd University of Petroleum & Minerals.
The support of Civil Engineering Department and Research Institute at KFUPM is deeply acknowledged.
Delmas: Shear Strengthening of RC Beams with Externally Bonded CFRP Sheets, Journal of Structural Engineering, Vol. 127, No. 4, 2001, pp. 374-380
Baluch: *umerical Model for Shear Behavior of Prestressed Hollow-Core Slabs, International Conference on Advances in Cement Based Materials and Applications in Civil Infrastructure (ACBM-ACI) Lahore-Pakistan, December 12-14, (2007), pp. 849-858.

Sharma, Impact Resistance and Mechanical Properties of UHPFRC, in: Iranian Journal of Science and Technology - Transactions of Civil Engineering, Vol. 43, Springer International Publishing, 2019, pp. 371-380
Jayakrishna, Impact behaviour of hybrid composites for structural applications: A review, Composites Part B: Engineering 133 (2018) 112-121
Kang, Independent environmental effects on durability of fiberreinforced polymer wraps in civil applications: A review (2013)
Nanni, Durability of Fabric Reinforced Cementitious Matrix (FRCM) Composites, in: Proceedings of the 7th International Conference on FRP Composites in Civil Engineering, International Institute for FRP in Construction (IIFC), 2014
Donnini, Durability of glass FRCM systems: Effects of different environments on mechanical properties, Composites Part B: Engineering (2019) 107047.

Advances in Materials Science and Engineering, ID 963971
Building Materials in Civil Engineering.
Materials for civil and construction engineers.
Asian Journal of Civil engineering (BHRC),15(5), pp.779-787
International Journal of Scientific & Engineering Research, V.4 (1)

Experimental Studies on Seismic Performance of High Strength Reinforced Concrete Columns Yang Wen-Xing12, a Shi Qing-Xuan1, b Sun hui-xiang3,c 1School of Civil Engineering, Xian University of Architecture and Technology, Xian 710055, China; 2School of Architecture and Civil Engineering, Xian University of Science and Technology, Xian 710054, China; 3Engineering College of Air force Engineering University, Xian 710038, China afavorstary@126.com, bqingxuanshi@sina.com, csunhx7504@sina.com Key words: high strength hoop;high strength concrete column;seismic performance; Abstract: This paper summarized an experimental study on seismic behavior of high strength steel reinforced high strength concrete columns under horizontal cyclic loading.
specimen bh (mmmm) H (mm) As (mm2) stirrup (N/mm2） Hoop type (mm) HHSC1 250250 420 27.5 452 841.5 g-2 50 1.304% 0.40 0.5 0.875 HHSC2 250250 670 27.5 452 841.5 g-2 50 1.304% 0.40 0.7 1.396 HHSC3 250250 670 27.5 452 841.5 g-2 50 1.304% 0.40 0.5 1.396 HHSC4 250250 920 27.5 452 841.5 g-2 50 1.304% 0.40 0.5 1.875 HHSC5 250250 670 27.5 452 841.5 g-2 30 2.173% 0.66 0.5 1.396 HHSC6 250250 670 27.5 452 841.5 g-2 80 0.815% 0.25 0.5 1.396 HHSC7 250250 670 27.5 452 841.5 g-2 80 0.815% 0.25 0.7 1.396 HHSC8 250250 670 35.9 452 841.5 g-2 50 1.304% 0.31 0.5 1.396 HHSC9 250250 670 35.9 452 841.5 g-2 50 1.304% 0.31 0.7 1.396 HHSC10 250250 670 27.5 452 841.5 g-1 50 1.017% 0.31 0.5 1.396 HHSC11 250250 670 27.5 452 841.5 g-1 50 1.017% 0.31 0.7 1.396 HHSC12 250250 670 27.5 452 841.5 g-3 50 0.578% 0.18 0.5 1.396 HHSC13 250250 670 27.5 452 841.5 g-3 50 0.578% 0.18 0.5 1.396 HHSC14 250250 670 27.5 452 215 g-2 50 2.209% 0.17 0.5 1.396 2.2 test setup Shearing test device used in this study were made by civil
engineering laboratory of Xian university of architecture and technology, showed in fig.2.
References [1] Building code of design of concrete structure，(GB50010-2010), In Chinese [2] Masataka Shibata: Development of a specially designed high-strength transverse reinforcement for square concrete columns, Earthquake Engineering.
China Civil Engineering Journal, Apr. 2009, In Chinese

The Applicability of Estimated Equations of Recycling Agents on the Viscosity Variety of Aged Asphalt Binders Ping-Sien Lin1,a, Chi-Wen Chang2,b and Tung-Lin Wu3,c 1 Department of Civil Engineering, National Chung-Hsing University, Taichung, Taiwan 402. 2 Department of Civil Engineering, National Chung-Hsing University, Taichung, Taiwan 402. 3 Department of Civil Engineering, National Chung-Hsing University, Taichung, Taiwan 402.
Lin, Engineering characterization of recycled asphalt concrete and aged bitumen mixed recycling agent, Journal of Materials Science. 42 (2007) 9867-9876
Isacsson, Application of FTIR-ATR to characterization of bitumen rejuvenator diffusion, Journal of Materials in Civil Engineering, ASCE, 15(2) (2003) 157-165
Lee, The effects of rejuvenating agents on recycled aged CRM binders, International Journal of Pavement Engineering. 6(4) (2005) 273-279

Single Vortex Simulation Around A Square Cylinder Zhe Liu1, a, Peng Lin1,b, Qi Zhou1,c and Dongxia Li2,b 1School of Civil Engineering, Shantou University, No.243 Daxue Road, Shantou , Guangdong Province, P.R.China, 515063 2School of Civil Engineering, Central South University, No.147 Shaoshan Road, Changsha, Hunan Province, P.R.China, 410075 aliuzhe@stu.edu.cn, bzhouqi@stu.edu.cn, clinpeng@stu.edu.cn Keywords: Unsteady flow, Single vortex, Unsteady RANS model Abstract.
Introduction Structure vibration (such as flutter, buffeting and vortex shedding) induced by the turbulence has been a problem in bridge wind engineering field.
Kareem, Journal of Wind Engineering and Industrial Aerodynamics, Vol.62(2-3) (1996), p.131 [2] Dahai Yu and Ahsan Kareem, Journal of Wind Engineering and Industrial Aerodynamics, Vol.77-78 (1998), p.653 [3] FRANKE, R and RODI, W.
Nakayama, Journal of wind engineering and industrial aerodynamics, Vol.91(2003), p.265 [5] KATO, M. and LAUNDER, B.
“The modelling of turbulent flow around stationary and vibrating square cylinders.”, ASME Fluids Engineering Conference: Forum on Unsteady Flow (see also UMIST Report TFD/92/13). (1993) [6] K.