Tower crane foundation pouring safety precautions


发布时间:

2021-04-28 09:48

1. The foundation bearing capacity of the tower crane foundation shall not be lower than the ground endurance value specified in the technical requirements of the tower foundation drawing.

2. The pouring position of the tower crane foundation should consider the installation of the tower crane and avoid various large obstacles.

3. The inclination of the horizontal plane composed of the four fixings of the tower crane foundation shall not be greater than 1/1000.

4. There shall be no displacement of the tower crane foundation and no collapse of the foundation. There should be drainage measures around the foundation, and there should be no accumulation of water.

5. The pouring of the tower crane foundation should avoid the backfill section as much as possible. If it is used as a last resort, effective measures should be taken to make the bearing capacity of the foundation meet the specified requirements.

6. When the tower crane foundation is poured on the foundation, the bottom surface of the foundation should generally be level with the foundation pit or slightly lower than the foundation pit. The soil quality and ground endurance of the foundation foundation should be known in advance. If there are dark rivers, quicksand, sludge and other phenomena around the foundation, effective measures should be taken to make the bearing capacity of the foundation meet the specified requirements.

7. If the tower crane foundation is poured on the edge of the foundation pit, the foundation pit enclosure system or the foundation pit underground continuous wall, effective measures should be taken to strengthen the enclosure around the foundation and prevent the uneven settlement of the foundation to ensure that the foundation does not collapse, displacement and tilt phenomenon. Guilin Tower Crane Rental 8. When the tower crane foundation is poured on the natural foundation far from the foundation pit, the ground endurance of the foundation should meet the specified requirements, and the foundation should be compacted after proper excavation.

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