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The Architect test sample selection model and its application based on genetic algorithm Qiang Li1a, 2 ,Huimin Li 1, Hailan Jiang3, Feng Yuan4 1 Xi'an University of Architecture and Technology, Civil Engineering, Shanxi Xi’an 710055 2 Department of Housing and Urban, Qualification Registry, Beijing 100037 3 Shandong  Polytechnic, Shandong Jinan 250104 4 Shandong Shanda OuMaSoft Co., Ltd.
Li qiang(1979-), male, doctoral candidate, engineer, School of Civil Engineering, Xi’an University of Arch. & Tech 2.
Li Hui-min ,(1954-) male, professor, School of Civil Engineering, Xi’an University of Arch. & Tech.

D, Associate professor, Candidate for a doctor's degree Alexandr Sergeevich Gorshkov Institute of Civil Engineering Saint Petersburg State Polytechnical University in Russia St.Petersburg Russian Federation tasya-1991@mail.ru, alsgor@yandex.ru Keywords: building energy savings, energy efficiency, waste of the heat energy, heat input, automatic controlled domestic heating plant, heat metering system, residential buildings.
Service of the automatizationsytemsof the district heating substation. 9000 (RUR/year) Total: 396 277.42(RUR) Diagram 1 and Table 3: Calculation of the payback of the technical and engineering measures.
Sistemnyjpodxod k e'nergosberezheniyu v inzhenernyxsetyaxzdanij// Magazine of Civil Engineering. 2011.
(rus) [9] Averianova O.Magazine of Civil Engineering. 2011. № 5.

Weight-in-Motion-Based Ambient Truck Characteristic Identification in Highway Bridges Junwon Seo1, a, Jongwan Hu2,b 1 Assistant Professor, Department of Civil and Environmental Engineering, South Dakota State University, USA 2 Assistant Professor, Department of Civil and Environmental Engineering, Incheon National University, Korea a junwon.seo@sdstate.edu (Corresponding Author), bjongp24@incheon.ac.kr Keywords: Weight-In-Motion, Strain Data, Ambient Trucks, Structural Health Monitoring System, Truck Characteristics, Highway Bridges.
To monitor real-time structural responses of the bridge under ambient live-loads, a SHM system consisting of multiple strain sensors and other data storage, processing, and communication equipment was previously developed by the Iowa State University Bridge Engineering Center and installed on the bridge (Lu et al. 2010).
Li: A Historical Review of Bridge Aesthetics in Ontario. 7th International Conference on Short and Medium Span Bridges, Canadian Society for Civil Engineering, Montreal, Quebec, Canada, 10 p. paper in CD-ROM proceedings. (2006) [2] Federal Highway Administration (FHWA). 2013.

., LTD, Jinan, China, 250000 2School of Transportation Science and Engineering, Harbin Institute of Technology, Harbin, China, 150090 a2450152002@qq.com, b lisuping1976@sina.com, c chenyunquan@jncj.cn, d hk6560@163.com Keywords: Fixation Stent, Moving Lifting Tools, Comb Expansion Joint, Construction Technology Abstract: The hot-rolling-whole-molded and comb-type-designed bridge expansion devices are widely used in the urban and highway bridges, owning the characteristics of large expansion allowance and small burial depth.
Yi, “Installation Technology and Quality Control of Comb Type Expansion Joint”, Municipal Engineering Technology, 2012, 30(5): 74-77.
A, “Risk Acceptance and Maintenance Optimization of Aging Civil Engineering Infrastructures”, Strutural Safty, 2009, 31(3): 251-259
Severyn, “Civil Economy: Transforming the Marketplace in the Twenty-First Century”, University of Michigan Press, 2009
Li, “Economic and civil engineering project management”, China Railway Publishing House, 2012(2).

Evaluation Modeling for Construction Safety Management with Multi-criteria Decision Support System Chenghua Li1,2, a, Xiaohong Yun3,b and Hui Mao4, c 1 School of Architecture & Civil Engineering, Chongqing Jiaotong University, Chongqing, 400074, China 2 School of Civil Engineering, Xi’an Technological University, Xi’an, Shaanxi, 710032, China 3 School of Management, Xi’an University of Science & Technology, Xi’an, Shaanxi, 710054, China 4 School of civil engineering, Qingdao Technological University, Qingdao, Shandong, 266033, China a li_chenghua@163.com, b yun_xiaohong@163.com, c mh76@qtech.edu.cn Keywords: NSFDSS, Evaluation modeling, Safety management, Multi-criteria decision.
Chen: Engineering fuzzy set theory and application (in Chinese), State Security Industry Press, Beijing, China, (1998) [3] C.

A Method for Checking Eccentricity of Solid Concrete Piers with Low Longitudinal Reinforcement Ratio under a Minor Earthquake Xingchong Chen1, a,Zunwen Liu1, b,Yongliang Zhang 1,cand Lu Pei1, d 1School of Civil Engineering, Lanzhou Jiaotong University, Lanzhou, Gansu, 730070, China achenxingchong@263.net, blzjtulzw@163.com, czhangyong_L@126.com,d493968244@qq.com Keywords: concrete with low longitudinal reinforcement ratio; solid pier; minor earthquake; checking parameters Abstract.
(In Chinese) [2] GB50111—2006, Code for Seismic Design of Railway Engineering [S].
China Civil Engineering Journal, 2003, 36(11): 65-69.
China Civil Engineering Journal, 2013, 13 (3): 86-95.

Effect of Various Input Parameters on Compressed Earth Block’s Strength Petr Konrád1,a, Peter Gallo2,b , Radoslav Sovják1,c*, Šárka Pešková1,d, and Jan Valentin2,e 1Experimental Centre, Faculty of Civil Engineering, CTU in Prague, Thákurova 7, Prague, Czechia 2Department of Road Structures, Faculty of Civil Engineering, CTU in Prague, Thákurova 7, Prague, Czechia apetr.konrad@fsv.cvut.cz, bpeter.gallo@fsv.cvut.cz, c,*sovjak@fsv.cvut.cz, dsarka.peskova@fsv.cvut.cz, ejan.valentin@fsv.cvut.cz Keywords: compressed earth block (CEB), soil, waste, strength, vibration, pressure.
Valentin, The applicability of by-products in civil engineering for production of eco-bricks, Technika ochrany prostredia (2019) p 1-6
[9] ASTM D2487-17, Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System), ASTM International, West Conshohocken, PA, 2017

Stability Analysis of Stiffened Plates Based on State-Vector Equation Yanli Wang 1, a, Guanghui Qing 2, b 1,2Aviation Engineering College, Civil Aviation University of China, Tianjin 300300 awangylah@126.com, bqingluke@126.com Keywords: State-vector equation, Plate with stiffeners, Stability, Finite element method Abstract.
Introduction Stiffened plate/shell structures have been widely used in engineering like aerospace, ship, drilling rig, bridge and civil architecture, etc. due to the distinct property that they can greatly economize the material used in the structure and reduce the weight of the structure while provide sufficient reliability and serviceability and thus improve the structural economy and efficiency.
The most common methods for analyzing the stability(buckling) of stiffened plate structures can be categorized into analytical methods and numerical methods, the former of which include method of intersecting beam system, orthotropic plate method, theory of beam-column and theory of discrete beam, etc. while the latter, being widely used in engineering, include finite element method and finite difference method.
Acknowledgements This work was financially supported by the Natural Science Foundation of Civil Aviation University of China (2012kye07).
[10] Guanghui Qing, Jiajun Qiu and Na Ta: Journal of Vibration Engineering, Vol. 17(3) (2004), p. 11 – 17

Study on Predicting Service Life of Concrete Through Accelerated Permeability Test Wenli Li 1,4,a, Qi Tao 2,b, Wenge Chai 3,c, He Zhang 4,d, and Zhaoguang Li 4,e 1School of Mechanics & Civil Engineering, China University of Mining & Technology, Beijing Campus, Beijing 100083, China 2School of Civil Engineering, Harbin Institute of Technology, Harbin 150006, China 3The North China University of Technology, Beijing 100144, China 4City Construction Department, Beijing City University, Beijing 100083, China aliwenli@bcu.edu.cn, b taoqi980312@163.com, ccwg6613@yahoo.com.cn, dzhanghe@bcu.edu.cn, e lizhaoguang@bcu.edu.cn Key Words: Concrete; Accelerated Permeability Test; Service Life Prediction Abstract.
Therefore, the durability of concrete structures in the marine environment has become a hotspot in the civil engineering.
The hardened cement powders at the interface of steel corrosion are obtained, and the powders samples are processed according to the water dissolution of Testing Code of Concrete For Port and Waterway Engineering (JTJ270-98).

Experimental Study on the Chloride Diffusivity of Recycled Aggregate Concrete Heying Qin1, 2,a, Yanlin Zhao 1,2,b , Boguang Luo3,c and Yihu Chen3,d 1School of Civil and Architectural Engineering, Guangxi University, Nanning 530004, China 2Department of Civil Engineering, Guilin University of Technology, Guilin 541004, China 3Bowen College of Management, Guilin University of Technology, Guilin 541004, China aqinheyinglcx@163.com, bzhaoyanlin@glite.edu.cn, c5808976@163.com, dcherif2009@hotmail.com Keywords: Chloride Diffusivity; Recycled Aggregate; Concrete; Chloride Conductivity Test.
Streicher: Durability of marine cements, Final Project Report, Department of Civil Engineering, University of Cape Town, (1996)
Nuclear Engineering and Design 212,221-231. (2002) [8] N.Q.