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連續(xù)梁懸灌法改支架法現(xiàn)澆施工方案(已修改)

2025-05-25 17:13 本頁面
 

【正文】 京滬高速鐵路土建工程一標(biāo)段 連續(xù)梁 懸灌法 改 支架 現(xiàn)澆法施工 方案 中鐵十七局京滬高速鐵路土建工程一標(biāo)段項(xiàng)目經(jīng)理部 二 〇〇八年 八 月 廊坊 目 錄 一、工程概況 ............................................................................................................ 1 二、懸 灌法與支架現(xiàn)澆方案對比 ...................................................................... 2 ( 32+48+32) M 連續(xù)梁 ................................................................................... 2 ( 40+56+40) M 連續(xù)梁 ................................................................................... 2 ( 40+64+40) M 連續(xù) 梁 ................................................................................... 3 ( 48+80+48) M 連續(xù)梁 ................................................................................... 4 三、支架計(jì)算 ............................................................................................................ 8 (一)支架規(guī)格 ....................................................................................................... 8 (二)支架結(jié)構(gòu) ....................................................................................................... 8 (三)支架設(shè)計(jì) ..................................................................................................... 10 荷載取值 ............................................................................................................ 10 次梁計(jì)算 ............................................................................................................ 10 橫梁驗(yàn)算 ............................................................................................................ 12 立桿驗(yàn)算 ............................................................................................................ 14 地基容許承載力計(jì)算 .................................................................................... 14 四、支架預(yù)壓與變形觀測 .................................................................................. 15 五、預(yù)拱度設(shè)置 ..................................................................................................... 15 六、模板構(gòu)造 .......................................................................................................... 15 七、砼澆筑 .............................................................................................................. 15 八、預(yù)應(yīng)力張拉與壓漿 ....................................................................................... 16 九、支架拆除 .......................................................................................................... 16 十、質(zhì)量保證 措施 ................................................................................................ 16 十一、工程實(shí)例 ....................................................................
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