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旺隆水库泥岩心墙坝施工期安全监测数据分析

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泥岩是西南地区的典型岩层,为了确保旺隆水库泥岩心墙坝施工安全,根据泥岩防渗心墙结构特征,在坝顶和坝内布置检测点,监控大坝的水平位移、垂直沉降及渗流渗压等特征值及发展规律.安全监测数据分析表明:坝体内、外各测点的监测量及其月变化速率均较小,均在正常范围内;坝基渗透压力测值变化平稳,无突变等不利情况,大坝安全性态正常稳定.分析成果验证了防渗心墙泥岩掺配比等指标准确可靠,可为大坝填筑施工提供重要的技术指导.
Analysis of Safety Monitoring Data During the Construction Phase of the Mudstone Core Wall Dam at Wanglong Reservoir
Mudstone is a typical rock formation in the southwestern region of China. In order to ensure the safety of the construction of the mudstone core wall dam at Wanglong Reservoir, monitoring points were strategically placed on the dam crest and within the dam to observe key parameters such as horizontal displacement, vertical settlement, seepage flow, and seepage pressure. Safety monitoring data analysis reveals that the measured values and their monthly rate of change at each monitoring point inside and outside the dam are relatively small and remain within the normal range. The variations in dam foundation seepage pressure show stability without adverse events or abrupt changes, indicating the normal and stable safety status of the dam. The analysis results validate the accuracy and reliability of parameters such as the mudstone admixture ratio for the core wall, providing crucial technical guidance for the construction of the dam fill.

mudstone core wall damhorizontal displacementvertical settlementrate of changeseepage pressure

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遵义市水利水电勘测设计研究院有限责任公司,贵州 遵义 563002

泥岩心墙坝 水平位移 垂直沉降 变化速率 渗透压力

2024

中国水能及电气化
水利部水电局 四川省地方电力局 中国水利水电科学研究院

中国水能及电气化

影响因子:0.316
ISSN:1673-8241
年,卷(期):2024.(3)
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