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The Space Model of Dynamic Analysis of Seated Large Diameter Cylinder Breakwater under Random Waves Xiao Hong Zhong 1a Xi Reng Zhou 2b Ke Li Sun2b 1.Department of Civil Engineering, Shandong communications college, Jinan 250000, China 2.School of Civil Engineering, Tianjin University, Tianjin 300072, China a. zhongxh1123@sina.com b. klsun@163.com Keywords: the large diameter cylinder, breakwater, random waves, dynamic response, numerical simulation, space model Abstract: According as three motion modes of motion process of the seated large diameter cylinder breakwater(LDCB) under random waves , the dynamic model system composed of spring-damper-antislider to control the lateral sliding is introduced, and corresponding dynamic analysis space model is established.
(2) The dynamic response results of a practical engineering example calculated by the plane model and space model show that when little slippage occurs on the breakwater whose foundation is composed of discrete body, the breakwater can still work normally.
Hydraulic Engineering, 2006, 4：464—470 (in Chinese)
[2] Xi Reng Zhou, Hou Zhi Pan, Application and improvement of soil resistance coefficient in numerical analysis of cylinder shell with large diameter[J], Hydraulic Engineering, 2001, 5, pp.62-66(in Chinese) [3] Xiao Hong Zhong, Xi Reng Zhou et al.
The Model of Dynamic Response Analysis of Circular Caisson Breakwater under Random Wave[J], Science in China, 2007,11, pp.1480-1490 (in Chinese) [4] J.D.Sørensen,H.F.Burcharth, Reliability analysis of geotechnical failure mode for vertical wall breakwaters[J] ,Computers and Geotechnics, 2000, 26, pp.225-245 [5] M.G.Hallam, N.J.Heaf, L.R.Wootton, Dynamics of marine structures[M], Construction Industry Research and Information Assoc., Underwater Engineering Group, London (UK)., 1977, 52-135 [6] Oumeraci,H.and Kortenhaus,A., Analysis of the dynamic response of caisson breakwaters[J], Coastal Engineering, 1994, 22, pp.159-183 [7] Tae-min Kim. and Tomotsuka Takayama, Computational improvement for expected sliding distance of a caission-type breakwater by introduction of a doubly-truncated normal distribution [J],Coastal Engineering Journal , 2003, Vol.45, No.3, pp.387-419 [8] Xiao Hong Zhong, Dynamic analysis model of bed seated large diameter cylinder breakwaters under random wave

Mohamed Abd El Rahman1,a* PhD, Dept. of Civil Engineering, Higher Future Institute for Engineering and Technology, Dakahlia, Mansoura, Egypt.
Acknowledgment The author would like to thank Mansoura High Institute for Engineering and Technology (College), Mansoura, Egypt for its help in providing the necessary facilities needed to perform this research.
Venkatesh, Effect of Stone Dust on Setting Time and Strength Characteristics of Cement Mortar, International Journal of Earth Sciences and Engineering, 9,3, ISSn:0974-5904, June 2016,1007-1011
Dwaraka, Behavior of Concrete with Granite Polishing Powder on Partial Replacement of Cement, International Journal of Engineering Science Invention Research & Development, V, II, AUGUST 2018, www.ijesird.com, E-ISSN: 2349-6185
Sophia, Utilization of Granite powder and Glass Powder in Reactive Powder Concrete: Assessment of Strength and Long Term Durability Properties, Canadian Journal of Civil Engineering, 14 September 2021, https://doi.org/10.1139/cjce-2021-0258.

Journal of engineering mechanics, 118(1992) 2246-2264
[3] Li, V.C., From micromechanics to structural engineering-the design of cementitious composites for civil engineering applications.
Journal of structure mechanical earthquake engineering, 10(1993) 37-48
ASCE Journal of engineering mechanics, 122(1995) 10-18
Journal of engineering mechanics, 125(1999) 373-381

Journal of Wind Engineering and Industrial Aerodynamic,2000, 84(3):329-344
Journal of Engineering Mechanics, 1986,112(1):121-125
China Civil Engineering Journal, 2008, 41(11): 18-22. in China [6] A.G.
Journal of Solar Energy Engineering,2004,126(4)
Journal of Wind Engineering and Industrial Aerodynamics,2008,96(6-7):701-712

Loss Curve Analysis of A debris Flow : A Case Study on The Daniao Tribe Hsin-Chi Li1,a, Ko-Fei Liu 2.b, Yu-Charn Hsu 3.c 1Socio-economic system division, national science & technology center for disaster reduction, Taipei, Taiwan. 2Department of civil engineering, national taiwan university, Taipei, Taiwan. 3Department of civil engineering, national taiwan university, Taipei, Taiwan.
Fig. 9 Rainfall duration and debris-flow loss curve Fig. 9 could be usefully applied to engineering designs as well as emergency decision making.
If the engineering budget were less than this number, the benefit-cost ratio would be greater than 1, which would mean it was sufficient.
This loss curve can be usefully applied in engineering designs, and will allow governments to determine reasonable budgets for debris-flow counter measures.
Liu : The Study on the indirect damage estimation of debris flow: a case study in Song-He village, Taichung county, Journal of the Chinese Institute of Engineers (JCIE).

Earthquake Damage Prediction of Base-isolated Structures Based on Fuzzy Comprehensive Evaluation Method Yu-hong Ma 1, a, Gui-feng Zhao 2,b, Ruihai Chen 1,c 1Earthquake Engineering Research & Test Center, Key Laboratory of Seismic Control and Structural Safety, Guangzhou University, Guangzhou 510405, China; 2School of Civil Engineering, Guangzhou University, Guangzhou 510006, China; amyhf_220@yahoo.com.cn, bzgf_220@yahoo.com.cn, cchenruihai8@yahoo.com.cn Keywords: Earthquake damage prediction; the isolated structure; damage matrix; the fuzzy comprehensive evaluation; membership degree; damage grade Abstract: Earthquake damage prediction of base-isolated structure includes many fuzzy factors, for example damage grade, intensity and so on, so by use of the fuzzy comprehensive evaluation method to predict the earthquake damage probability of the base-isolated structure should be feasible and effective.
In the 80 last century, J.P.T.Pao firstly used fuzzy subsets and fuzzy theory in civil engineering.
Earthquake Engineering and Engineering Vibration, Vol.4 (1984) No1, p.12 (In Chinese) [3] LI Jia, ZHANG Yi.
Central South Highway Engineering, Vol.31 (2006) No2, P.51 (In Chinese) [4] LI Liang.
Earthquake Resistant Engineering. (1985) No.2, p17.

Engineering Geology, 97 (2008) pp. 112-125
Engineering, ASCE (1985) 111 (3) pp.384-403
Conf. on Architecture, Structure and Civil Engineering, ISBN 978-93-84422-56-1, Antalya (Turkey) Sept. 7-8, (2015) pp. 1-7
Engineering Geology, 96 (2008), pp 94-104
Dep.of Civil and Env.

Reliability Study of Excavation Safety in Underground Space of Chen Clan Academy Square Jian Pan1, a, Jue Gao1,b 1College of Civil Engineering & Transportation, South China University of Technology, Guangzhou, Guangdong, 510640, China.
Engineering Difficulties.
It is clear that Taylor series technique can be applied to reliability analysis of geotechnical engineering.
Army Engineer Waterways Experiment Station Geotechnical Laboratory, U.S.A., 1994)
[2] J.M.Duncan: Journal of Geotechnical and Geoenvironmental Engineering, Vol. 126 (2000) No.4, p.307

China 2 Construction Engineering College, Kunming University of Science and Technology, kunming, 650093, P.R.
China 3 Department of Civil Engineering, Yunnan University, kunming, 65009, P.R.
References [1] Cai Meifeng: Rock Mechanics and Engineering (Science Press, China 2002)
[3] Yin Kunlong, Han Zaisheng, Li Zhizhong: Hydrogeology and Engineering Geology, Vol.5 (2000), p. 1-4
[7] Zheng Yingren: Evolution on Rock Mechanics and Engineering (Chongqing University Press, China 2003)

Inversion Analysis Based on the Unloading Rock Mass of Underground Powerhouse Monitoring Achievements of Jin Ping Cascade ⅡHydropower Station Jie Liu 1,2,a, Jian-lin Li 1,2,b, Lei Xiao 1,c, Shiwei Luo 1,d, Jian Cai 1,e 1 College of Civil & Hydropower Engineering, China Three Gorges University, Yichang, 443002, China. 2 Wu Han University, Wuhan, 430072, China.
Introduction Cavity engineering can be seen as an uncertain and nonlinear dynamic opening complex system.
At present, scholars have done a lot of researches related to cavity engineering on the basis of artificial neural network.
Geotechnical Engineering Technique, 2004, 18 (3): 122-125, in Chinese
Study of Prediction in Surrounding Rock Pressure [J], Chinese Journal of Underground Space and Engineering, 2009, 5 (2): 273-276