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“500”水库是向甘泉堡工业园区供水的尾水调节水库,属于大(2)型工程,位于天山北缘冲积平原,水库呈四面封闭形,典型的平原水库,主要由均质土坝、放水兼放空涵洞(以下简称涵洞)、入库建筑物、退水渠、调节池等项目组成。文章结合“500”水库实际情况,通过建立水库大坝坝体沉降突变统计分析模型,并将实测值与模型值进行比对以判断大坝沉降突变的状态,对指导水库大坝的合理运行意义重大,并为整个工程综合效益的发挥提供了保障。
The “500” reservoir is a tailrace regulating reservoir for water supply to the Ganquanpu Industrial Park. It belongs to the large (2) type project and is located on the alluvial plain on the northern margin of Tianshan Mountains. The reservoir is a closed reservoir with a typical plain shape and is mainly composed of homogeneous soil Dam, water and empty culvert (hereinafter referred to as culverts), storage structures, back drains, regulating the pool and other projects. Based on the actual situation of “500 ” reservoir, this paper establishes a statistical analysis model of sudden changes in the dam settlement of a dam and compares the measured values with the model values to judge the status of sudden changes in the dam settlement. The operation is of great significance and provides a guarantee for the overall efficiency of the project.