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本文在矿场调查的基础上,对塔形井架的破坏形式与原因进行了分析研究。塔架的主要破坏形式是单根主弦杆压弯破坏和井架整体翻倒破坏,破坏的主要原因是杆件具有初变形和偏心受力及基础不平和沉陷。还对现场使用塔形井架提出了有益的建议。
Based on the investigation of the mine, this paper analyzes the damage form and cause of tower derrick. The main damage form of the tower is the failure of the single main chord bending and collapse of the derrick, and the main reason of the damage is the initial deformation and eccentric force of the shaft and the uneven and subsidence of the foundation. Also made on the scene using tower derrick useful suggestions.