提高坝体土方填筑合格率的有效途径

Effective Way to Improve the Qualification Rate of Dam Earthwork Filling

宁夏固原地区(宁夏中南部)城乡饮水安全水源工程中庄水库由于料源多,料场开挖跨度大,土料含水率过高、过低分布不均,造成一次性碾压合格率较低,给工程质量控制带来一定难度,并严重影响工程进度。为了解决这个问题,项目法人宁夏水务投资集团有限公司组织承包人宁夏回族自治区水利水电工程局,通过采用坝面铧犁翻晒降低土料含水率及坝面翻倒补水掺和调整土料含水率的方式,有效解决了中庄水库土方填筑含水率过高、过低的难题,为今后类似工程积累了经验。

Niugxia Guyuan area （central and southern Ningxia） Zhongzhuang reservoir, the urban and rural drinking water safety water soure project in Guyuan area in Ningxia （central and southern parts of Ningxia） , due to more material source, the large material field excavation span, soil moisture content is uneven distribution, resulting in a one-time roller compaction pass rate is low, bring some difficulty to the project quality control, and seriously affect the progress of the project. In order to solve this problem, the project legal person Ningxia Water Investment Group Co. , Ltd. , organized the contractor, Ningxia Water Resources and Hydropower Engineering Bureau, through the use of darn plow ted to reduce soil moisture content and the dam surface tipping water mixed with the adjustment of soil moisture content of the way, effectively solve the problems of Zhongzhuang reservoir earthwork filling water content too high or too low, accumulated experience for the similar projects in the future.