Post-planted steel tube concrete stiffened pile reinforcing and settling-preventing foundation strengthening method
A steel tube concrete and foundation reinforcement technology, which is applied in the direction of foundation structure engineering, sheet pile walls, buildings, etc., can solve the problems that affect the safety of the building itself and the surrounding environment, and the tilt of the building, so as to reduce the number of piles, reduce disturbance, reduce Effects of pollution such as noise
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Embodiment 1
[0029] Embodiment one: if figure 1 As shown, the post-planting concrete-filled steel tube reinforced pile reinforcement method for anti-sinking foundation reinforcement includes the following steps:
[0030] S1. Determine the pile planting position;
[0031] S2. The whole process monitoring of the stress and deformation state of the key parts of the existing foundation and superstructure;
[0032] S3. Excavating the top surface of the existing foundation on the existing foundation;
[0033] S4. Use machines and tools to open pile-planting holes on the top surface of the existing foundation;
[0034] S5, apply reaction force anchor reinforcement in the pile hole;
[0035] S6, the pile planting equipment is in place and the hole position is calibrated;
[0036] S7. Use pile planting equipment to implant steel pipes, and weld joints until the expected depth of implantation design;
[0037] S8, adjust the steel pipe length;
[0038] S9. The steel pipe is poured with micro-ex...
Embodiment 2
[0042] Embodiment 2: The difference between this embodiment and the embodiment is that: in step S3, the existing foundation is expanded on the existing foundation; holes for pile planting are reserved in expanding the existing foundation; holes for pile planting are pre-embedded Reaction anchor.
[0043] The post-planted concrete steel pipe piles constructed by this method greatly reduce the unfavorable disturbance of the reinforcement construction to the existing building foundation and foundation, reduce the noise and other pollution of surrounding buildings and the environment, and the post-planted steel pipe piles can have a bearing capacity comparable to that of the existing The building load realizes organic conversion, effectively combines with the bearing capacity of the existing foundation, reduces the number of piles, and realizes the purpose of reinforcing and anti-settling reinforcement of the foundation.
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