Raft foundation repairing and reinforcing method
A raft foundation and formwork technology, applied in the field of building reinforcement, can solve problems such as overload settlement damage, and achieve the effect of solving overload settlement damage, ensuring stability, stable and reliable support
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[0043] The present invention will be further described below.
[0044] Such as Figure 1 to Figure 7 As shown, a method for repairing and strengthening a raft foundation includes the following steps:
[0045] Step 1, jacking and supporting the frame beams 7 around the frame column 6 above the overloaded settlement damage site;
[0046] Select the support position that ensures that the frame column 6 can rise, and the frame beam 7 and the base plate will not undergo secondary damage; vertical steel pipes 14 are arranged below the support positions on both sides of the frame column 6 on each frame beam 7, The upper end of the steel pipe 14 is supported on the lower end surface of the frame beam 7, and a jack 12 is installed between the lower end of the steel pipe 14 and the ground;
[0047] Two steel corbels 11 are fixedly connected to the opposite sides of the middle or upper part of the frame column 6, and two steel frames are arranged below the two steel corbels 11, and the...
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