錘、撬棍使支柱與梁錯(cuò)口。拴好繩后退到安全地點(diǎn),發(fā)出緊繩信號(hào),將支柱和梁拖至適當(dāng)位置,發(fā)出停車信號(hào),停止緊繩,取出支柱和梁碼放到指定地點(diǎn);
(6)回梁時(shí),用錘敲打梁的圓銷,使該梁脫離連接;往外拖梁時(shí)與回柱操作相同; 上一頁 [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32] [33] [34] [35] [36] [37] [38] [39] [40] [41] [42] [43] [44] [45] [46] [47] [48] [49] [50] [51] [52] [53] [54] 下一頁 |