The LORD is my rock, and my fortress, and my deliverer; my God, my strength, in whom I will trust; my buckler, and the horn of my salvation, and my high tower.
耶和华是我的岩石，我的山寨，我的救主，我的神，我的磐石，我所投靠的。他是我的盾牌，是拯救我的角，是我的高台。
The strength design of the tower crane structure is mainly to ensure that the metal structure part meets the strength condition in the work process.
塔式起重机结构的强度设计主要是确保金属结构部分在工作过程中满足强度条件。
The construction unit when the tower crane foundation, must ensure that the endurance meets the design requirements, the strength of reinforced concrete at least the design value of 80%.
施工单位在做塔吊基础的时候，一定要确保地耐力符合设计要求，钢筋混凝土的强度至少达到设计值的80%。
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