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Influences of Mixing Procedure on Properties of Fresh Latex Modified Cement Paste (I) Han Dongdong 1, a, Chen Weideng 1, b, Zhong Shiyun 2, c* 1 School of Materials Science and Engineering, Tongji University, Shanghai 201804, China 2 Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, Tongji University, Shanghai 201804, China ahdd880216@163.com, bchenweideng@163.com, csyzhong@tongji.edu.cn *Corresponding author: syzhong@tongji.edu.cn Keywords: latex modified cement paste; mixing procedure; adsorption; fluidity; setting time Abstract.
Engineering Aspects. 330(2008)227–233. ], particles size[[]J.Li, Influence of Polymer Adsprption on properties and structure of modified cement-based material,D.

This alloy steel is extensively used in various engineering applications.
References [1] Gaidhani, Y.B. and Kalamani, V.S. (2013), ‘Abrasive water jet review and parameter selection by AHP method’, Journal of Mechanical and Civil Engineering, Volume 8, Issue 5, PP 01-06 [2] Chithirai Pon Selvan, M. (2011) and Dr.
J. of Advances in Engineering & Technology, Vol. 1, Issue3, pp 34-40
Conference on Mechanical, Automobile and Robotics Engineering (ICMAR'2012) Penang.
J. for Technological Research in Engineering, Vol. 01, pp1-8 [6] Badgujar, P.

., Shenzhen, 518048, China 2School of Civil and Transportation Engineering, South China University of Technology Guangzhou, Guangdong, 510640, China ajia.haohua@ccdi.com.cn, bdmwei@scut.edu.cn Keywords: RC Twin-frame Structure, Outer Limb-columns, Stiff-flexible Mixed Structure, Second Seismic Fortification Line, Resist Progressive Collapse Design Method.
Collapse Resistant Analysis and Design of Construction and Engineering Structure.
(In Chinese) edited by Journal of Civil, Architectural & Environment Engineering.
(In Chinese) edited by Engineering Mechanics.

Marushko, Durability as integral characteristic of concrete, IOP Conference Series: Materials Science and Engineering. 327 (4) (2018) 042127
Suleymanov, Energy efficient technologies of production and use non-autoclaved aerated concrete, International Journal of Applied Engineering Research. 10 (5) (2015) 12399-12406
Repette, Porosity and mechanical strength of an autoclaved clayey cellular concrete, Advances in Civil Engineering. (2010) 194102
Quéneudec, The use of southern Algeria dune sand in cellular lightweight concrete manufacturing: effect of lime and aluminum content on porosity, compressive strength and thermal conductivity of elaborated materials, European Journal of Environmental and Civil Engineering. 22 (10) (2018) 1273-1289

Aerodynamic Interference Study of Vortex-induced Vibration of Twin-separate Rectangular Sections based on POD Kai Ma1, a , Zhi-Zhong Zhou1,b 1State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai, China amakai1989@163.com, bz.zhou@tongji.edu.cn Keywords: POD; twin-separate sections; VIV; synchronous pressure measurements; aerodynamic interference; wind tunnel tests Abstract.
Several lower modes can reconstruct fluctuating pressure field to the accuracy meeting the requirement of engineering.
Analysis of VIV Behavior of Twin-separate Rectangular Sections based on POD POD is a method used to derive the most efficient coordinate for observing individual phenomenon which finds its popular application in wind engineering [6]. is fluctuating wind pressure which is in principle a fluctuation component with a zero mean. is spatial dependence function of fluctuation wind pressure field which is defined as: (1) then, POD analysis can be derived to a eigenvalue problem ,which can be written as: (2) Eigenvalues and corresponding eigenvectors can be worked out after the solution of eigenvalue problem.
In practical, when we solve engineering problem, we may need several, instead of all eigenmodes to meet the engineering accuracy.
The reconstructed wind pressure field based on POD can meet the requirement of engineering accuracy.

Analysis on the Impact of the backstays forms on the Performance of Inclined Tower Cable-stayed Bridge Bo Lei1, a, Yingzhao Lv2,b and Wei Ren3,c 1Zhejiang Provincial Institute of Communication Planning, Design&Research, Hangzhou 310006, China 2 Highway Administration of Hangzhou, Hangzhou 310004, China 3 Key Laboratory of Bridge Detection Reinforcement Technology Ministry of Communications, PRC, Xi’an 710064, China a12160498@qq.com, blyz117@126.com, crw20062@163.com Keywords: Bridge engineering; space twisted backstays; fan-shaped backstays; static performance; dynamic performance.
China Civil Engineering Journal. 1998.(4)14-22 [8] Song yi-fan The Highway Bridge Loading Tests and Structural Evaluation[M], the People’s Communications Press,2002 [9] Xia Pinqi, James M W Brownjohn.
Journal of Vibration Engineering. 2003, 16(2): 219-223.

Vishwanath Karad MIT World Peace University, M Tech Tunnel Engineering Research Scholar, Department of Civil Engineering, Kothrud, Pune, India 2Dr.
Vishwanath Karad MIT World Peace University, Assistant Professor, Department of Civil Engineering, Kothrud, Pune, India 3IRCON International Limited, Dy.
KSCE Journal of Civil Engineering 25, no. 4 (2021): 1491-1503
Soil Dynamics and Earthquake Engineering 115 (2018): 606-621
Engineering 5, no. 3 (2019): 384-392

HUMS system is a necessary equipment of great importance for modern civil and military helicopters.
Reliability Engineering and System Safety, 1996, 53(3): 279~296
Reliability Engineering& System Safety, 1999, 63(1): 73~90
Reliability Engineering and System Safety, 2002, 75(1): 83~91
Aviation Reliability Engineering Technology and Application.

Research on Anti-erosion Mechanical Properties of Steel Structure Coating Yunhong Hao 1,a, Li Li2,b , Zuowei Zhong 1,c, and Xiaoyan He 1,d 1School of Civil Engineering，Inner Mongolia University of Technology, Hohhot, Inner Mongolia , 010051, China 2School of Architecture, Inner Mongolia University of Technology, Hohhot, Inner Mongolia, 010051, China ahaoyunhong_hyh@163.com, bngdlili@163.com, cfortunztezhong@126.com, dhexy_2008@yahoo.cn Keywords: Sandstorm; Steel-Structure Coating; Erosion; Mechanical Property Abstract.
Therefore, this paper researches on the anti-erosion mechanical properties of high-chlorinated polyethylene materials that is widely used in the steel structure engineering, the research results will provide the basis for preparation of anti-erosion coating and evaluation safety and durability of steel structures.
Ordinary low-carbon steel is used as specimen matrix, and surface coating materials of specimen uses high chlorinated polyethylene paint that is widely used in engineering practice.

Underground Engineering Research Center for Mining of Ministry of Education, Anhui University of Science and Technology, Huainan 232001, China a.qyma@aust.edu.cn , b. hwaust@163.com,c.cuipengbo402@163.com Keywords: expansive agents; shrinkage-compensating concrete; mechanical property; optimization Abstract:Using 6% HCSA, HEA and CSA equivalent replacement Slag Portland Cement add into the normal concrete, the compressive strength, splitting tensile strength and flexural strength at the age of 3d, 7d and 28d are researched.
It is mainly used in impermeability and anti-cracking in civil engineering [3].
Cracks control of Engineering structural( China architecture and building press, 2007) [5] Ma Qinyong.