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A platform for research: civil engineering, architecture and urbanism
Hydraulic tunnel expansion joint water seepage treatment structure
The invention discloses a hydraulic tunnel expansion joint water seepage treatment structure. A drainage pipe used for guiding and draining seepage water into a drainage blind ditch, a plugging layerused for sealing seepage water and formed by filling a rapid plugging agent, a water swelling adhesive tape and a high-elasticity mortar layer with a trapezoidal section are sequentially arranged in an expansion joint from the surrounding rock side to the upstream side, the surfaces of lining concrete on the two sides of the expansion joint are coated with single-component polyurea base layers, the expansion joint is covered with tire base cloth to cover the expansion joint, and single-component polyurea protection layers are arranged on the outer sides of the tire base cloth and the single-component polyurea base layers through coating. According to the hydraulic tunnel expansion joint water seepage treatment structure, by adopting a structural mode of combining water seepage blocking anddischarging, calcium is prevented from being continuously separated out by blocking the joint, further separation of calcium is effectively prevented, and meanwhile, water outside the surrounding rock is discharged to reduce the pressure of the external water.
本发明公开一种水工隧洞伸缩缝渗水治理结构，自围岩侧向迎水侧在伸缩缝内依次设置有用于将渗水引排到排水盲沟的排水管、用于封闭渗水的由快速堵漏剂填充在内所形成的堵漏层、遇水膨胀胶条、截面为梯形的高弹性砂浆层；所述伸缩缝两侧衬砌混凝土的表面涂刷有单组份聚脲基层，在伸缩缝部位铺盖胎基布将伸缩缝盖住，在胎基布以及单组份聚脲基层外侧通过涂刷设置有单组份聚脲保护层。本发明通过采取包括对渗水堵、排结合的结构型式的措施，对缝封堵阻止钙质继续向外析出，有效制止了钙质进一步析出，同时将围岩外水排出降低外水压力。
Hydraulic tunnel expansion joint water seepage treatment structure
The invention discloses a hydraulic tunnel expansion joint water seepage treatment structure. A drainage pipe used for guiding and draining seepage water into a drainage blind ditch, a plugging layerused for sealing seepage water and formed by filling a rapid plugging agent, a water swelling adhesive tape and a high-elasticity mortar layer with a trapezoidal section are sequentially arranged in an expansion joint from the surrounding rock side to the upstream side, the surfaces of lining concrete on the two sides of the expansion joint are coated with single-component polyurea base layers, the expansion joint is covered with tire base cloth to cover the expansion joint, and single-component polyurea protection layers are arranged on the outer sides of the tire base cloth and the single-component polyurea base layers through coating. According to the hydraulic tunnel expansion joint water seepage treatment structure, by adopting a structural mode of combining water seepage blocking anddischarging, calcium is prevented from being continuously separated out by blocking the joint, further separation of calcium is effectively prevented, and meanwhile, water outside the surrounding rock is discharged to reduce the pressure of the external water.
本发明公开一种水工隧洞伸缩缝渗水治理结构，自围岩侧向迎水侧在伸缩缝内依次设置有用于将渗水引排到排水盲沟的排水管、用于封闭渗水的由快速堵漏剂填充在内所形成的堵漏层、遇水膨胀胶条、截面为梯形的高弹性砂浆层；所述伸缩缝两侧衬砌混凝土的表面涂刷有单组份聚脲基层，在伸缩缝部位铺盖胎基布将伸缩缝盖住，在胎基布以及单组份聚脲基层外侧通过涂刷设置有单组份聚脲保护层。本发明通过采取包括对渗水堵、排结合的结构型式的措施，对缝封堵阻止钙质继续向外析出，有效制止了钙质进一步析出，同时将围岩外水排出降低外水压力。
Hydraulic tunnel expansion joint water seepage treatment structure
一种水工隧洞伸缩缝渗水治理结构
WANG JINGJING (author) / MAO SHAOBO (author) / ZHAO LIJUN (author) / WANG JINLEI (author) / QI YAJING (author) / XIAO YI (author)
2021-01-26
Patent
Electronic Resource
Chinese
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