L68B3 Mast SectionExample and analysis of safety accidents caused by unqualified Tower Crane Foundation
impact of Tower Crane Foundation on tower crane safety-examples and analysis of tower crane accidents caused by unqualified Tower Crane Foundation. Key words: Tower Crane Foundation 1. The foundation of the tower crane is set in the place of uneven settlement, or the ditch is not tamped to pour concrete, causing local settlement and remedial measures are not in place. 2. In particular, there is a basement below, underground ditch site installation tower crane construction.
L68B3 Mast Section
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The foundation is too close to the slope, the foundation is too close to the edge of the excavation, it is easy to slide down the tower after loading or heavy storm. 3. Where the slope is very close to the tower crane, before pouring the foundation must be piling or reinforcement. Although pile driving, but the pile space, part of the pile foundation can not bear, resulting in local collapse and tower collapse. 4. After the foundation is poured, the concrete does not have the maintenance, can not achieve the strength request. 5. There is no cross bar inserted in the hook of Anchor Bolt, which causes local concrete damage near the hook head of Anchor Bolt, and the tensile force of the bolt can not be transmitted, insufficient load-bearing tension. 6. The balance of pressure and weight is not enough, which makes it easy to tip over the tower under overload. Kill. Forget to lock the rail clamp after work, relax the brake of the rotating mechanism, suddenly hit by a storm at night and tower down, etc. .
