SEISMIC RESEARCH AND DESIGN OF HUANGDENG RCC GRAVITY DAM
Huangdeng Hydropower Station is a 1st-class large (1) type project,and its main water retaining structure is the highest RCC gravity dam built in China.Because of the high dam height,large installed capacity and storage capacity,the seismic safety of RCC gravity dam is of great importance,so it is of great significance to carry out seismic research on the RCC gravity dam.Through finite element dynamic damage calculation and analysis and dynamic model test,the natural vibration characteristics of Huangdeng Dam,seismic response of various characteristic variables,ultimate seismic capacity,damage range,seismic weak part and effect of seismic measures are studied.These research results provide an important reference and basis for the seismic design of Huangdeng Dam.The calculation and experimental results show that the compressive and tensile strength of each dam monolith can meet the requirements of the specification under static conditions.Under dynamic conditions,the compressive strength of Huangdeng Dam can meet the requirements of the specification,except for the stress concentration parts such as the heel and the toe of the dam.The tensile strength of some parts of the dam,such as the dam neck,the junction zone between the pier and the overflow dam surface,the guide wall at the downstream of bottom hole,the bottom hole intake,the dam heel and so on can not meet the requirements of the specification,but by taking comprehensive seismic measures,the seismic safety of Huangdeng dam is also guaranteed.
RCC gravity dam ultimate seismic capacity dynamic model test finite element damage analysis seismic design
LI Yong-ming
POWERCHINA Kunming Engineering Corporation Limited, Kunming, Yunnan, 650051, P.R.China
国际会议
the 8th International Symposium on Roller Compacted Concrete (RCC) Dams(第八届国际碾压混凝土大坝国际研讨会)
昆明
英文
212-220
2019-11-11（万方平台首次上网日期，不代表论文的发表时间）