大壩技術(shù)及長效性能研究進(jìn)展

內(nèi)容概要

　　In recent years， the global economic and social development has encountered many difficulties and problems， such as earthquakes， tsunamis， hurricanes， floods， severe droughts， climate changes， energy and economic crises. History of human development has demonstrated that dam has played and will continue to play an important role in addressing the difficulties and challenges.

書籍目錄

PrefaceTheme 1:Methods of Design and Analysis for DamsTheme 2:Environment-friendly Technologies for Dam ConstructionTheme 3:Long-term Operation and Maintenance of DamsTheme 4:Dam Rehabilitation and UpgradeTheme 5:Dam Safety Assessment and Risk ManagementTheme 6:Reservoir Management

章節(jié)摘錄

版權(quán)頁：插圖：Abstract:Thermal loads are the stress boundary condition of masonry arch dam, The annual temperature field and temperature variation field are natural environmental boundary conditions, and are difficult to control artificially, but the joint closure temperature field can be controlled by engineeringmeasures. For masonry arch dam without transverse joints, the joint closure temperature of different layers are changed with air temperature, construction materials and masonry temperature. Confirm anadvisable joint closure temperature is effective mean for controlling the stress of masonry arch dam. Byway of simulative analysis of the temperature field and stress field on masonry arch dam, the effectionlaw on the stress of masonry arch dam is analysis under the conditions of the different closure temperature field, a closure emperature stress simulation model for masonry arch dam and a correspondingexpression are proposed. The computation results of one case study show that the model used to deter-mine the temperature range of joint closure is reasonable and masonry arch dam stress can be effectively controlled.This method has practical value for the design and construction of masonryarch dam.Key Words: Masonry Arch Dam; Stress of Arch Dam; Safety joint closure temperature; Calculation Model.

編輯推薦

為總結(jié)混凝土壩技術(shù)取得的巨大成就，明確國際壩工界具有里程碑意義的工程，中國大壩協(xié)會(huì)組織編寫了這本《大壩技術(shù)及長效性能研究進(jìn)展》。全書收錄了近百篇國內(nèi)外專家的論文，反映了國際和國內(nèi)在大壩技術(shù)及長效性研究方面最新、最先進(jìn)的科研成果。

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