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Design filling index and deformation control of high concrete faced rockfill dam
in Xinjiang Uygur Autonomous Region
1 1 2，3 1
LIU Ying ，LI Jiang ，YANG Yusheng ，PENG Zhaoxuan
（1. Xinjiang Water Conservancy and Hydropower Planning and Design Administration，Urumqi 830000，China；
2. State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin，
China Institute of Water Resources and Hydropower Research，Beijing 100048，China；
3. Research Center for Seismic and Emergency Support Engineering Technology of Water Engineering，
Ministry of Water Resources，Beijing 100048，China）
Abstract： Based on the construction practice of concrete faced rockfill dam （CFRD） of 100m level and
above in Xinjiang Uygur Autonomous Region in recent 30 years， the design filling index of dam body is
summarized. Combined with the settlement monitoring data，the influence of dam height，dam building mate⁃
rials， construction filling control standard， rolling construction parameters and operation life on deformation
control of high CFRD is analyzed emphatically in this paper. （1） For 100 - 150 m level CFRD in Xinji⁃
ang，the settlement rate of the dam body filled with sand gravel is about 0.2% lower than that filled with
rockfill， and the dam filled with sand gravel is better than that filled with rockfill from the perspective of
deformation control. （2） It is necessary and feasible to increase the design filling relative density from no
less than 0.85 to 0.90 for the high concrete face gravel dam with a height of 150 m in the high seismic re⁃
gion. It is very important for dam deformation control to determine the filling standard by replacing the in⁃
door relative density test with the field original large-scale relative density test. （3）It is of great signifi⁃
cance to improve the tonnage of construction vibrating roller to control the deformation of CFRD. The con⁃
struction parameters of 26 t vibrating roller with a thickness of 80 cm and 8 times of rolling generally
meet the requirements of the design-filling standard. For high CFRD of 150 m level or above，it is suggest⁃
ed to adopt a larger tonnage-vibrating roller for construction.
Keywords： high concrete face dam； damming material； design filling index； construction rolling parame⁃
ters；deformation control
（责任编辑：韩 昆）
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