Treatment method for poor concrete dam joint foundations
A technology for concrete dams and poor joints, which is applied in infrastructure engineering, construction, etc., can solve problems such as poor joints of concrete dams, and achieve the effects of being conducive to water and soil conservation, meeting the requirements of hub layout, and ensuring safety
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[0015] This embodiment is a treatment method for the poor foundation of concrete dam joints. The concrete dam joints are arranged on one side of the road 1, including the No. I concrete dam joint foundation 4 adjacent to the road 1 and the adjacent No. II concrete dam joint foundation 5 , No. Ⅰ concrete dam joint foundation 4 has formed a steep side slope 2 after excavation, and 20cm thick plain concrete 3 should be sprayed on the steep side slope 2 to consolidate the slope. During the construction, it was discovered that there was a weak interlayer 7 under the joint foundation 4 of the No. 1 concrete dam, which had a rock formation with a gentle inclination to the downstream and an inclination angle of 20-35°. Therefore, it was necessary to replace the weak interlayer of the foundation before continuing the construction. The specific operation steps are as follows:
[0016] 1. If figure 1 , figure 2 As shown, first carry out the local excavation of the clear slope of the hi...
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