【正文】 ........................................................................3 掛籃施工注意事項 .........................................................................................................................4 四、掛籃設(shè)計及結(jié)構(gòu)計算 ........................................................................................................................6 工況及設(shè)計參數(shù)說明 ......................................................................................................................6 設(shè)計依據(jù) ............................................................................................................................................6 工程概況 ............................................................................................................................................6 主要設(shè)計技術(shù)參數(shù) ...........................................................................................................................6 掛籃荷載組合 ...................................................................................................................................7 內(nèi)力符號規(guī)定 ...................................................................................................................................8 4． 2 掛籃預(yù)壓計算 ...............................................................................................................................8 4． 21預(yù)壓目的 ..........................................................................................................................................8 4． 22 掛籃預(yù)壓計算 ............................................................................................................................ 8 4． 3 掛籃底籃和前吊系統(tǒng)計算 ....................................................................................................... 12 掛籃的幾何組成 ........................................................................................................................ 12 掛籃底籃受力重心計算 ............................................................................................................. 12 掛籃底籃荷載計算 .................................................................................................................... 13 掛籃底籃縱梁計算 .................................................................................................................... 14 4． 35 掛籃底籃后托梁反力計算 :.................................................................................................. 19 底籃前托梁計算 ........................................................................................................................ 20 底籃后托梁計算 ........................................................................................................................ 22 吊桿及吊帶整體計算 ................................................................................................................. 24 4． 381 底板后錨吊桿 ........................................................................................................................ 24 4． 382 前吊帶 .................................................................................................................................... 24 4． 383 吊帶銷孔計算 ........................................................................................................................ 24 4． 384 前吊帶吊點計算 .................................................................................................................... 24 4． 385 銷軸計算 ................................................................................................................................ 25 內(nèi)外滑梁計算 ............................................................................................................................ 25 4． 411 內(nèi)滑梁計算 ........................................................................................................................... 25 4． 42 外滑梁計算 ............................................................................................................................. 27 前橫梁計算 ................................................................................................................................ 30 主三角桁架計算 ........................................................................................................................ 32 4． 441 反力 ......................................................................................................................................... 32 4． 442 位移 ......................................................................................................................................... 32 4． 443 軸力 ......................................................................................................................................... 33 4． 445 剪應(yīng)力 .................................................................................................................................... 35 4． 446 彎距 ......................................................................................................................................... 36 4． 447 剪力 ......................................................................................................................................... 36 4． 448 主三角架銷軸和后錨精扎螺紋鋼計算 ...................................... 37 4． 45 后錨加長段焊縫計算 ............................................................................................................... 38 4． 46 后錨扁擔(dān)梁計 算 ...................................................................................................................... 39 4． 5 掛籃前行或后退走行狀態(tài)計算 ............................................................................................... 40 前后托梁反力 ............................................................................................................................ 40 4． 52 掛籃前橫梁 /后反扣力計算 ..................................................................................................... 41 4． 53 后反扣裝置受力計算 .................................