A caisson construction method with weak geological conditions
A construction method and weak geological technology, applied in caissons, infrastructure engineering, construction, etc., can solve problems such as reducing the service life of caissons and overall subsidence, and achieve the effects of improving construction accuracy, reducing overall subsidence, and fast efficiency
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[0037] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0038] see Figure 1 to Figure 7 , a caisson construction method with weak geology, the specific construction steps are as follows:
[0039] S1: Preliminary leveling of the excavation site, and pouring of the vertical formwork of the first caisson 1 on the ground after the preliminary leveling. The blade foot 10 embedded in the soil is poured on the inner wall of the lower end of the first caisson 1 to form a groove 11; the blade foot 10 is to reduce the resistance of the soil to the first caisson 1, and the groove 11 is to increase the back cover Bonding strength of concrete and caisson 1. After the pouring of caisson 1 in the first section, the excavation and sinking construction will be carried out. The construction method of excavation and sinking adopts the bowl-shaped soil breaking method, that is, the middle soil is excavated first, ...
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