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Research on influence factors of strata classification based on fuzzy cluster analysis and fuzzy pattern recognition Shuangyue Liu, Lina Chen Department of Civil & Environment Engineering University of Science & Technology Beijing Beijing, 10083, China liusy@USTB.edu.cn Keywords: strata classification; fuzzy cluster analysis; fuzzy pattern recognition Abstract.
Traditionally, it is usually depended on engineers’ personal experience and habits to establish the strata layers on the basis of the original data when they doing the desk studies of a site investigation work, which are greatly subjective and nondeterministic.
Use fuzzy clustering method to analyze the upper adhesive layer in the Engineering survey data of one residential areas 2, Beijing.

Numerical Simulation of Wind Pressure Distribution on Regular Mega-frame Surface Yao Xiong1,a 1 College of Civil Engineering and Mechanics, Central South University of Forestry and Technology, Changsha, Hunan, 410004, China acexojnwy@126.com Keywords: mega frame structure; wind tunnel test; wind pressure; numerical analysis Abstract.
One of the critical loads in engineering design is wind load, especially for high-rise structure or multi-story structure.
The traditional wind-tunnel test approximately simulates the wind pressure on building surface is widely applied in engineering practice, but the expensive cost and significant error limited its application.
References [1] Pusheng Shen, Mega frame structure design and construction, Beijing, Mechanical Industry Press, 2007 [2] Bin Jia, Research of wind load on regular mega structure, Mianyang, Southwest University of Science and Technology master degree thesis, 2003 [3] Changzhi Chen, Engineering fluid mechanics, Wuhan, Huazhong University of Science and Technology press, 2005 [4] Dexin He,Wind engineering and industrial aerodynamics, Beijing, National Defence Industry Press, 2005

Case study shows that the forecasting trend was in good agreement with the measured trend, which indicated that the model was suitable for solving the geotechnical engineering problem of nonlinearity and uncertainty and could well be applied to displacement back analysis.
Thus it is shown that the use of CACA-SVM for displacements back analysis is feasible and is of good engineering value.
At the same time, the use of CACA in global optimization solves the problem that inversion results are not unique, offering a new search strategy for back analysis in rock and soil engineering.
Yonas, V.Slavco: Journal of Computing in Civil Engineering, Vol.7(2001), p.208-216
[3] H.B.Zhao, X.T.Feng: Chinese Journal of Rock Mechanics and Engineering, Vol.22(2003), p.1618-1622.

Mechanical Properties of Road Base with Roadbood EN-1 Zhi-quan Zhang a, Yan-lin Jingb School of Civil Engineering, Chang’an University, xi’an, shaanxi 700061, China a zzqca@163.com, b jingyanlin@sina.com.cn Key words: Road engineering, road base with Roadbood EN-1, triaxial test Abstract: In order to offer theory base for the widely use of Roadbood EN-1 soil firming agent in road base, triaxial shearing tests are performed on road base consolidated with Roadbood EN-1 soil firming agent, cement and lime to analyze its mechanical properties.
Introduction From 1954, lime soil has been applied as road base in highway engineering in China.
:submitted to Journal of Traffic and Transportation Engineering (2003) [2]Shi j.
H., Liang B and Ding L.: submitted to Chinese Journal Geotechnical Engineering (2001) [8]Zhang T.T.
,Zhang B.P.: submitted to Chinese Journal Geotechnical Engineering (2004)

D Ravi Prasad2,b * 1Research Scholar, Structures division, Department of Civil Engineering, National Institute of Technology Warangal,506002, India 2Associate Professor, Structures division, Department of Civil Engineering, National Institute of Technology Warangal,506002, India akhema@student.nitw.ac.in, braviprasad@nitw.ac.in Keywords: PVA fibers, GFRP, Hybrid Reinforced Concrete beams, Flexural capacity, Ductility.
Journal of Asian Architecture and Building Engineering 18, (2019) 89–97
Civil Engineering Journal 6, (2020) 1652–1669
Australian Journal of Civil Engineering 19, (2021) 107–122

Design Scheme and Construction Technology of Combined Support for a Deep Foundation Pit Excavation Wu Mai1,2,a, Zhao Xin 1,2,b, Liu Kai1, Wang Chunlei3, Geng Huixuan4 1College of Civil Engineering, Hebei University of Technology, Tianjin, China, 300401 2Civil Engineering Technology Research Center of Hebei Province, Tianjin, China, 300401 3 Sinoma Energy Conservation Ltd, Tianjin, China, 30040 4China Construction Eighth Engineering Division.
In recent years a large number of engineering examples employing combined supporting have been appeared in China, which are all achieved very good results.
Engineering feasibility and economy of composite support scheme are improved remarkably.
Chinese Journal of Geotechnical Engineering, 2010, 32 supplement 1: 388-391
[5] YB 9258-97 Code for Technique of Building Foundation Pit Engineering [S].

The detection and reinforcement of a flyover by fire Zhengjian Li1,a, Yan He1,b 1School of Civil Engineering & Architecture, Jiaozuo University, Jiaozuo, Henan, 454003,China a jzdxlzj@163.com, b anyihe@163.com Keywords: concrete bridge; fire; injury-testing; reinforcement; assessment Absract: Against the characteristic of the concrete bridge suffered from the fire, with an engineering example, some methods of detecting and estimating the damaged bridges are introduced in the paper, and the treatment plans for reinforcement are put forward, a useful reference for dealing with the concrete bridge with similar diseases. 0 Foreword The concrete bridge by fire, with a big change in mechanical features of the materials and different degrees of destruction in its structure, will not be reused until it is reinforced.

Structure and properties of concrete with combined aggregate is insufficiently studied, which limits their use in civil engineering Recycling of building materials allows to expand the raw material base, to solve the problems of resource conservation and environmental protection.
Kiryukhin, Optimization of working parameters of the jaw crusher to improve the quality of aggregates from crushed concrete, Engineering Journal of Don. 4(47) (2017) 180-186.
Akopyan, The application of the method of X-ray diffraction to study the properties of the modified slag-alkaline binder, Engineering Journal of Don. 4 (part 2) (2012).
Akopyan, The application of the method of differential thermal analysis to study the properties of the modified slag-alkaline binder, Engineering Journal of Don. 4 (part 2) (2012).

Li2,3,b 1 College of Civil Engineering, Hunan University of Science and Technology, Xiangtan, Hunan, P.R.
China; 2 Key Laboratory of Building Safety and Energy Efficiency of Ministry of Education, College of Civil Engineering, Hunan University, Changsha, Hunan, P.R.
China; 3 Department of Civil and Architectural Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, , P.R.
Procedia Engineering, 2011, 11: 560-565 [11] Meroney R N.
Journal of Wind Engineering and Industrial Aerodynamics, 2011, 99: 443-447 [12] Al-Hemiddi N A, Megren Al-Saud K A.

Dynamic Characteristics Analysis of a Large Aqueduct Bing Bai1, a, Yuhe Li2, b and Xiaoshan Deng1, c 1Faculty of Civil Engineering and Architecture, Kunming University of Science and Technology, Kunming 650233, P.
According to actual engineering, the basin rubber supports are taken as spring elements [5].
So Housner method is closer to the practical engineering
Lou: Earthquake Engineering & Engineering Vibration, Vol.20 (2000) , p53 [2] L.H.
Lou: Journal of Hydraulic Engineering, Vol. 31(2000), p46 [4] W.S.