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桥梁荷载等级区分规范-桥梁荷载等级区分规范最新

来源:爱游戏app官网    发布时间:2024-09-27 06:59:53

产品特点:

  张拉千斤顶额外张拉力:所需张拉力的1.5倍,不小于1.2倍。压力表读数为张拉力的1.5-2.0倍;

  悬臂组装起吊设备:安全系数2, 1.25倍规划荷载静载、1.1倍规划荷载动载。

  顶推:单点或多点水平千斤顶,总顶推力不小于核算力的2倍;起顶的反力值不大于核算发力1.1倍;

  缆索吊装安全系数:主塔扣塔风缆2、抗风缆2、钢绞线、钢丝绳扣索3、起吊绳5;拱桥单肋吊装合龙安稳系数4;

  斜拉桥:拉索出厂前超张拉1.2-1.4倍规划索力。平行钢丝索装置时张拉杆、衔接套、软牵引设备对拉实验1.2倍规划牵引力;