【正文】 1 目 錄 1工程概況 ......................................................................................錯誤 !未定義書簽。 2設(shè)計依據(jù) ..................................................................................................................... 1 3 支架布置方案 ............................................................................................................ 2 主跨方案 ............................................................................................................ 2 邊跨方案 ............................................................................................................ 3 4 計算模式 .................................................................................................................... 5 支架計算模式 .................................................................................................... 5 主跨支架計算模式 ............................................................................................ 5 邊跨支架計算模式 ............................................................................................ 5 主跨貝雷梁計算模式 ........................................................................................ 6 主跨分配梁計算模式 ........................................................................................ 6 5主跨支架、方木及模板驗算 .................................................................................... 8 .......................................................................................................... 8 Ⅵ 支架計算 ...................................................................................................... 8 Ⅶ 支架驗算 .................................................................................................... 12 Ⅷ 支架計算 .................................................................................................... 15 6 主跨貝雷計算 .......................................................................................................... 20 .................................................................................................... 20 ................................................................................................................ 20 ................................................................................................................ 22 ................................................................................................................ 22 7 主跨 8墩鋼管柱及分配梁驗算 ............................................................................ 25 ............................................................................................................ 25 ................................................................................................. 25 ............................................................................................................. 25 ............................................................................................................. 25 2 ............................................................................................................. 27 ............................................................................................................ 28 8 主跨鉆孔灌注樁及分配梁計算 ............................................................................. 30 幾何尺寸布置 ....................................................................................................... 30 .................................................................................... 30 鋼分配梁概況 .................................................................................................... 30 K13+736鋼梁驗算結(jié)果 .................................................................................... 31 K13+ ................................................................................. 33 .................................................................................................... 35 ............................................................................................. 35 ..................................................................................................... 35 ................................................................................................................. 35 ............................................................................................................. 35 ............................................................................ 35 9 邊跨支架、方木及模板驗算 ................................................................................. 38 鋼管樁支撐反力計算 ...................................................................................... 38 鋼管樁承受荷載計算 ...................................................................................... 38 鋼管樁反力匯總 .............................................................................................. 40 鋼管樁穩(wěn)定性驗算 .......................................................................................... 41 I45a工字鋼驗算 .............................................................................................. 42 I25a工字鋼驗算 .............................................................................................. 42 150mm150mm橫向方木驗算 ...................................................................... 43 100mm100mm縱向方木驗算 ...................................................................... 44 10 計算主要結(jié)論 ........................................................................................................ 46 1 2設(shè)計依據(jù) 建筑施工碗扣式鋼管腳手架安全技術(shù)規(guī)范（ JGJ 16620xx） 建筑施工模板安全技術(shù)規(guī)范（ JGJ 16220xx） 公路橋涵通用設(shè)計規(guī)范（ JTG D6020xx） 公路鋼筋混凝土及預(yù)應(yīng)力混凝土橋涵設(shè)計規(guī)范（ JTG D6220xx） 公路橋涵地基與基礎(chǔ)設(shè)計規(guī)范（ JTG D6320xx） 公路橋涵施工技術(shù)