Construction method for adopting concrete breast board piles to support side slope with height difference of foundation pit
A construction method and earth retaining board technology, applied to sheet pile walls, foundation structure engineering, excavation, etc., can solve problems such as inability to ensure safety, surrounding foundation subsidence, superstructure damage, etc., to shorten the support time and save the construction site Small, prevents water leakage
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[0022] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.
[0023] In the embodiment of the construction method in which the height difference slope of the foundation pit is supported by concrete retaining sheet piles 2, the shallow foundation pit is the foundation 4 of the blast furnace body, and the bottom elevation is -4.2m, and the deep foundation pit is the pipe trench of the casting yard Foundation 5, bottom elevation -7.5m. Such as Figure 1-Figure 3 As shown, the construction method includes the following steps:
[0024] S1, fabricate concrete retaining sheet piles 2, and pre-embed anchor bars 3 at the top of the retaining sheet piles 2 at a certain distance. One side of retaining sheet pile 2 is provided with mother groove 9, and mother groove 9 is the steel pipe that...
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