高拱坝抗震设计研究进展

本文概述了高拱坝抗震面临的关键技术问题和国内外的研究动态，简要介绍了近年来我国各有关单位结合小湾、溪洛渡等工程对高拱坝抗震进行攻关研究的目标和思路，以及当前研究的进展。内容包括拱坝体系作为宫续介质的地震反应和坝肩抗稳定方法及其在小湾拱坝工程中的实际应用，拱坝整体和有缝模型的动力试验；拱坝体系作为离散介质的地震及反应和坝肩抗震稳定分析方法；厚淤砂时坝面动压影响；以及拱坝随机震动场作用下的反应分析。

Progress of Anti-seismic Design and Research for High Arch Dam

The paper describes key technologic issues faced by Anti -seismic of high arch dam and research progress of that in both China and abroad. It briefly introduces objectives and thoughts of seismic studies of high arch dam carried out in China in recent years connected with Xiaowan, Xiluodu Water Projects etc. as well as current advancement. Detailed content includes earthquake reaction with arch dam system and its application in Xiaowan Arch Dam Project, dynamic test of arch dam integral and seamed model, earthquake reaction arch dam system as discrete medium and abutment anti-seismic stability method, dynamic pressure impact to arch dam from deep silt load and stochastic reaction analysis of arch dam under earthquake force field action.