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Test on Eccentricaly Loaded Four-Tube Concrete-Filled Steel Tubular(CFST) Laced Columns of No Yield Point Ran He1,2, a, Xingping Shu2,b and Bowang Chen2,c 1Hunan University, College of Civil Engineering ,Hunan, changsha, 410000, China 2Hunan City University, College of Civil Engineering, Hunan, Yiyang, 413000, China a122362920@qq.com, bshuxingping@sina.com,ctmcbw@163.com.
(2) The four-tube CFST laced columns of no yield point under eccentric compression are subjected to overall bending failure and ductile failure with obvious premonition, so the four-tube CFST laced columns of no yield point can absolutly be applied in practical engineering
China Civil Engineering, 2007(06):32 - 41.
(in Chinese) [10] Lizhong Jiang, Wangbao Zhou.China Civil Engineering, 2010(09)
Engineering Mechanics, 2003, 20(6): 154- 159.

Parameters Identification for Nonlinear Duffing System Based on Wavelet Transformation Shi Zhou1,a ,Dongmei Huang1,2,b,Weixin Ren3,c,Qiongli Wang1,d 1School of Civil Engineering, Central South University, Changsha Hunan, 410075,China 2 High-speed Railway Construction Technology National Engineering Laboratory, Central South University, Changsha Hunan, 410075, China 3School of Civil Engineering, Hefei University of Technology Hefei Anhui,230000,China acsuzhoushi@126.com bhuangdm512@sina.com crenwx@hfut.edu.cn ,d32391595wql@gmail.com Key words: Duffing nonlinear system; Parameter Identification; Wavelet Transformation.
The nonlinear vibration is a widespread phenomenon in engineering and nature, which mainly presents geometric nonlinear feature caused by system structure and material property, and nonlinear feature caused by long-term loads structural damage in civil engineering.
Duffing equation is a classic equation of nonlinear systems, which can be used to simulate equations in the field of electrical engineering and civil engineering.
[9] Yao Qianbin, Yang Zhichun, Li Bin, Mechanical Science and Techno logy for Aero space Engineering, 2007, 26(3)

Effect of Polymerization on the Swelling Properties of a Sodium Bentonite and its Mechanism Jixiang Nie1,a, Ryoga Tanaka2,b and Jinchun Chai3,c* 1Doctorial student, Dept. of Civil Engineering and Architecture, Saga Univ., 1 Honjo-machi, Saga 840-8502, Japan 2Undergraduate student, Dept. of Civil Engineering and Architecture, Saga Univ., 1 Honjo-machi, Saga 840-8502, Japan 3Professor, Dept. of Civil Engineering and Architecture, Saga Univ., 1 Honjo-machi, Saga 840-8502, Japan a494001328@qq.com, b16237045@edu.cc.saga-u.ac.jp, c*chai@cc.saga-u.ac.jp Keywords: Acrylic acid; Polymerized bentonite; Free swelling index(FSI); X-ray diffraction(XRD) patterns.
Journal of Geotechnical and Geoenvironmental engineering, ASCE. 130 (2004) 818-829
Journal of Geotechnical and Geoenvironmental Engineering, ASCE. 127 (2001) 557-567
D., Geosynthetic clay liners containing bentonite polymer nanocomposite, Proc., Geo-Frontiers, Advances in geotechnical engineering, Dallas, Texas, USA, 2001, pp. 2001-2009
Chai, and Shen, S., Hydraulic Properties of Polymerized Bentonites, Journal of Materials in Civil Engineering. 30 (2018) 04018247

The discussion of problems in popularization and application of the System of inorganic thermal insulation mortar with vitrified beads Guangjuan-Gu1, a jie-zhang1, b 1Anhui Xinhua University Civil and Environmental engineering College Anhui Hefei 230088,China aemail:Keybroad2006@163.com bemail:kerstinzhang@163.com Keywords: vitrified small ball, thermal insulation mortar, popularization and application Abstract: The application situation of the inorganic thermal insulation mortar with vitrified beads as aggregates is displayed through the method of market research in this paper.
In view of the above situation, in 2011 March, the Ministry of Public Security issued the elimination of [2011]65, "on further clarifying the civil building external thermal insulation material fire supervision and management of the relevant requirements of the notice", put forward higher requirements for thermal insulation material application.
Requirements of strict implementation "external wall insulation system and the civil decorative fireproof Interim Provisions" (the public and pass the word [2009]46 date) [2] the provisions of article second, civil construction insulation materials by combustion properties of a material.
Provincial Natural Science Fund; Item number: KJ2013Z103 References [1] Lu Yuhua, The Application of thermal insulation vitrified small ball mortar in external wall energy-saving Engineering; Research & Application of Building Materials,2011(9): 26-27 [2] Information on http://www.chinasafety.gov.cn/ [3] JC/T 1042—2007, Expanded and vitrified small ball [4] Zhao Lei, Ye Beihong; Study of improvement on hydrophobicity of thermal insulation mortar containing vitried cenospheres; Chemical Materials for Construction, 2009(5): 34-37 [5] Guo Zhongchao; Study on the process and key control point of F-16 inorganic fiber spraying; Resources Economization & Enviromentprotection; 2010(1): 61-63.

Flood Damage to Rural Buildings Result from Foundation Scour and Scour Protection Strategy Yongjun Liu1, a, Xingtao Ma2,b, and Yongmei Sun1,c 1 School of Civil Engineering, Shenyang Jianzhu University, Shenyang, Liaoning, 110168, China 2Liaoning Hydrology and Water Resources Bureau, Shenyang, Liaoning, 110003, China aliuyongjun66@hotmail.com, bmaxt1975@163.com, csunyongmeigirl@163.com Keywords: Flood, Rural building, Foundation scour, Gabion Abstract.
The contents presented in this paper may be useful references for further study on flood damage to rural building and scour protection engineering practices.
(a) (b) Fig.9 Temporary flood proofing measures New Scour Protection Technology Gabion has been widely used in hydraulic engineering and road engineering.
Journal of Hydraulic Engineering.
Journal of Informaton Technology in Civil Engineering and Architechecture.Vol. 3(2011), p.57 (In Chinese)

Predicition of GRT fiber—rubberized haydite concrete compressive strength based on multiple regreeion analysis and BP neural network Binghua Xia1, a, Yuancai Liu2,b and Debin Zhu3,c 1 Experimentalist ,Experimental Teaching Center of Provinical Structural Engineering of Civil and Engineering，Southwest forestry university, China 2 Professor ,Dept. of Civil and Engineering，Southwest forestry university, China 3 Professor ,Dept. of Civil and Engineering，Southwest forestry university, China amzatamd@126.com, b yuancailiu@126.com, c debinzhu@163.com Keywords: GRT fiber—rubberized haydite concrete, standard compressive strength, BP neural network,multiple regression analysis Abstract.
Acknowledgements This work was financially supported by the Provincial Speccial Major Project of Forest Engineering (project number:501035),the Experimental Teaching Center of Provinical Structural Engineering (project number:501042),and the key Discipline Project of Forest Engineering in SWFU (project number:47002801) References [1] New Approch to Durability Design—An example for carbionation induced comosion,CEB Bulletin 238 May 1997,Lausanne 1997
[2] Papadak is VG etal Effect of supplementary cementing materials on concrete resistance against carbonation and chloride ingress [J].Cement and Concrete Reasearch 2000,30 [3] I-Cheng Yeh,Design of High-Performance Concrete Mixture Using Neural Networks and Nonlinear Programming,JOURNAL OF COMPUTING IN CIVIL ENGINEERING,JANUARY 1999:36~42

First Méditerranéen Symposium of Géo engineering, SMGE09.
Lamara and I.Goual 2009, Stabilization and shear strength of inflating clays [bentonite of Maghnia]”, Seminar international Department of Civil engineering, Institute of higher learning of the technological studies of Sfax, Tunisia (2009) [4] V.
Non-Destructive Testing in Civil Engineering, (2003)
Fleureau, Journal of Materials in Civil Engineering, vol. 19 (2007), p. 358 [7] F.G.
Engineering Geology, 42(4) (1996), p.223 [8] H.

Bazhenova1,b and Dien Vu Kim1,c 1Moscow State University of Civil Engineering, Yaroslavskoe shosse, 26, Moscow, 129337, Russia a*mbruyako@yandex.ru, bsofia.bazhenova@gmail.com, ckimdienxdtb@gmail.com Keywords: Cellular concrete, Anisotropic structure, Aerated concrete, Foam concrete, Mold.
+ Method for determining the value of outgassing: The tests were carried out at the Moscow State University of Civil Engineering laboratory
All tests were carried out using research equipment of The Head Regional Shared Research Facilities of the Moscow State University of Civil Engineering.
Journal of Food Engineering 115(3) 415–423 (2013)
Magazine of Civil Engineering 103(3), 1-10 (2021).

Forecast on Payback Period of Restaurant Projects Investment by Computer Simulation MengFang Zhang 1, a, Liang Huang 1,b YiPing Cai 2,c 1 College of Architecture&Civil Engineering, Zhejiang University of Technology, Hangzhou 310032, China 2 School of Economics and Management, Shanghai University of Electric Power, Shanghai 200090, China; azmfzgd@163.com, bhzhuangliang@126.com, c hncaiyiping@sohu.com Keywords: Construction Project, Payback Period of Investment, Computer Simulation, Investment Decision Abstract: Investment projects of the civil engineering have many characteristics,such as large scale of construction,tremendous investment cost,long payback period of investment, and bad risk.
References [1] Xing Hao Xie, Computer simulation for system of construction engineering[M].
Engineering Construction,6(2008), p,14-17.

K.SRINIVASA RAO 2,b 1 Assistant Professor, Department of Architecture, School of Planning and Architecture (V), Vijayawada, Andhra Pradesh, India. 2Associate Professor, Department of Civil Engineering, College of Engineering, Andhra University, Visakhapatnam, Andhra Pradesh, India.
Corrosion of reinforcements has been one of the major challenges that the civil engineers have been facing.
Engineers need better techniques for assessing the condition of the structure when the maintenance or repair is required.
The major drawback is that is a technically sophisticated, expensive system that requires trained engineer site visits.
[8] Application of available technologies for production of durable concrete S.H AI-Idi and M.H Al-Mehtal fourth soudi engineering conference Nov. 1995 volume-II [9] Gustfson, D.P ‘Epoxy update’ civil Engineering ASCE,October 1988 pp38-40 [10] J.C.