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2020年中國水利水電科學研究院英文年報已經發(fā)布，現以雙語的形式連續(xù)推出2020年度中國水利水電科學研究院科技創(chuàng)新代表性成果，以及榮獲院科技進步獎的部分成果，與國內外專家學者分享。
IWHR 2020 Annual Report has been released. Starting from today, we will present in succession the 2020 IWHR Innovation Project and the representative projects of 2020 IWHR Science and Technology Award in the form of bilingual extracts, for the reference of experts at home and abroad.
國家標準《水工建筑物抗震設計標準》
National Standard for Seismic Design of Hydraulic Structures
主要完成人：陳厚群、李德玉、胡曉、劉小生、王海波、趙劍明、張艷紅、張伯艷、王鐘寧、涂勁、李敏、張翠然、歐陽金惠、馬懷發(fā)
Main Participants:?CHEN Houqun, LI Deyu, HU Xiao, LIU Xiaosheng, WANG Haibo, ZHAO Jianming, ZHANG Yanhong, ZHANG Boyan, WANG Zhongning, TU Jin, LI Min, ZHANG Cuiran, OUYANG Jinhui, MA Huaifa
研究背景
Background
汶川地震后，為貫徹國家對最大可信地震下大壩不潰壩要求，確保國家公共安全，在凝練汶川地震震害經驗及水工建筑物抗震科研成果基礎上，編制本標準。
After the Wenchuan earthquake, in order to meet the state's requirement that the dam does not break under the maximum credible earthquake and ensure national public safety, this standard is developed on the basis of lessons learned from Wenchuan earthquake and seismic research achievements of hydraulic structures.
研究內容
Contents
采用以分項系數表達的極限狀態(tài)設計方法，對各類水工建筑物給出了相應的抗震結構系數γd值。
Using the ultimate limit state design method expressed by the partial factor to calculate the seismic structural factor γd for various hydraulic structures.
修訂了對一般工程地震動輸入中依據的基巖標準設計反應譜的參數取值。
Revising the parameters of standard design response spectrum on bedrock for ordinary engineering.咩票優(yōu)惠電影票www.miepiao.com共丟廢品回收網www.gongdiu.com設計軟件自學網www.3c1x.com
增加了對工程抗震設防類別為甲類的水工建筑物，應按確定性方法或基準期100年內超越概率P100為0.01的概率法確定場址“最大可信地震”，對在遭受場址最大可信地震時不發(fā)生庫水失控下泄的災變進行專門研究的要求。
Adding the requirement that the site’s maximum credible earthquake should be determined according to the deterministic method or the probability method with an exceeding probability of 1% within 100 years of the reference period for the hydraulic structures with the engineering seismic protection category A, and that the special demonstration on its safety margin under maximum credible earthquake shall be carried out on disaster prevention of the uncontrolled release of reservoir.
規(guī)定了抗震甲類設防的混凝土重力壩和拱壩工程的動力分析考慮因素。
Specifying the dynamic analysis considerations of concrete gravity dam and arch dam with seismic protection category A.
規(guī)定了對土石壩應同時用有限元法對壩體和壩基進行動力分析和安全評價的要求。
Stipulating that the dynamic analysis and safety evaluation using finite element method should be conducted for dam body and its foundation of embankment dam.
修訂了大壩混凝土動態(tài)強度及彈性模量的標準值取值。
Revising the characteristic values of dynamic strength and elastic modulus of dam concrete.
增加了渡槽、升船機和邊坡的抗震設計規(guī)定。
Adding the seismic design rules for aqueducts, ship lifts and slopes.
研究成果
Achievements
制定了在設計地震作用下，大壩僅出現可以修復的損傷、在最大可信地震作用下，不發(fā)生潰壩的大壩抗震二級設防框架。
Having developed the seismic prevention framework with two levels for important dam in which only repairable dam damage occurs under the design seismic action, and no uncontrolled release of reservoir water occurs under the maximum credible earthquake.
提出了對工程抗震設防類別為甲類的水工建筑物采用設定地震方法確定場地相關設計反應譜的方法，以及對于“近斷裂大震”情況下采用考慮面源破裂過程確定最大可信地震的方法。（圖1）
Having proposed the method of determining the site-specific design response spectrum by scenario earthquake method for hydraulic structures with seismic protection category A and the method of determining the maximum credible earthquake by considering the surface source rupture process under the condition of large near-fault earthquake. (Fig. 1)
提出了一種依據混凝土試驗資料構建的大壩混凝土動態(tài)損傷本構模型，自主研發(fā)了基于區(qū)域分解算法和高性能計算平臺的的混凝土壩體—地基體系地震損傷破壞分析并行計算程序。（圖2）
Having put forward a constitutive model for dam concrete dynamic damage based on concrete test data and independently developed a parallel computing program for seismic damage and failure analysis of concrete dam -foundation system based on domain decomposition algorithm and high performance computing platform. (Fig. 2)
揭示了最大可信地震下大壩的破壞機理及其相應的抗震安全極限狀態(tài)，構建了大壩最大可信地震下“不潰壩”的定量評價指標體系。（圖3）
Having revealed the failure mechanism and corresponding seismic safety limit state of the dam under the maximum credible earthquake and built the quantitative evaluation index system of no uncontrolled release of reservoir water under the maximum credible earthquake. (Fig. 3)
應用
Application
已推廣應用到三峽電站、溪洛渡電站、烏東德電站、白鶴灘電站、旭龍電站、奔子欄電站、葉巴灘電站、兩河口電站、雙江口電站、錦屏一級、大崗山水電站、孟底溝水電站、魯地拉電站、龍羊峽電站等國內已建150m以上高壩抗震安全復核以及在建全部高壩的抗震設計。
These achievements have been applied to the seismic safety review of China’s high dams over 150m, including the Three Gorges Hydropower Station,? Xiluodu Hydropower Station, Wudongde Hydropower Station, Baihetan Hydropower Station, Xulong Hydropower Station, Benzilan Hydropower Station, Yebatan Hydropower Station, Lianghekou Hydropower Station, Shuangjiangkou Hydropower Station, Jinping I Hydropower Station, Dagangshan Hydropower Station, Mengdigou Hydropower Station, Ludila Hydropower Station, Longyangxia Hydropower Station, as well as the seismic design of high dams under construction in China.CAD軟件素材教程下載www.9npx.com四五設計網www.45te.com設計學徒自學網www.sx1c.com
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