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Tower Crane Tower Crane Foundation
2024-01-31
The foundation of the tower crane is the foundation of the tower crane. Practice has proved that many major safety accidents are caused by problems with the tower crane foundation. It is an important factor that affects the overall stability of the tower crane. Some accidents are caused by the construction site in order to grab the construction period, and the concrete strength is not enough to install hastily, some accidents are due to insufficient ground endurance, and some are due to excavation near the foundation and even landslide displacement, or due to water accumulation. Uneven settlement, etc., etc., will cause serious safety accidents. We must attach great importance to it without any ambiguity. The stability of a tower crane is its ability to resist overturning. The biggest accident of a tower crane is its tipping and collapse. When building the tower crane foundation, you must ensure that the endurance of the ground meets the design requirements, and the strength of the reinforced concrete reaches at least 80% of the design value. Special treatment measures must be taken for the foundation of tower cranes with basement projects: some piles must be driven under the foundation, and the steel bars at the ends of the piles and the foundation bolts must be firmly welded together. The bottom of the concrete foundation should be flat and compact, and the bottom of the foundation should not be shaped like a pot bottom. The size error of the foundation bolts must be constructed in strict accordance with the requirements of the foundation drawing. The anchor bolts must be kept at a sufficient length to expose the ground, and each anchor bolt must be pre-tightened with a double nut. The surface of the foundation should be treated before installation to ensure that the level of the foundation cannot exceed 1/1000. At the same time, the foundation of the tower crane shall not be allowed to accumulate water, which will cause uneven settlement of the foundation of the tower crane. Do not dig pits or ditches at will in the vicinity of the tower crane foundation.
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