達(dá)陜高速公路t梁預(yù)制施工組織設(shè)計(jì)

1、目錄一、工程概況..................................................................................................................2二、預(yù)制場(chǎng)布置和工序安排.....................................................................................

2、.....31、預(yù)制場(chǎng)布置.......................................................................................................................32、預(yù)制底座.................................................................................

3、..........................................34、軌道鋪設(shè)...........................................................................................................................5三、T梁預(yù)制.........................................

4、.................................................................................51、T梁施工工序....................................................................................................................52、鋼筋、鋼絞線制作安裝.

5、...................................................................................................53、模板制作安裝................................................................................................................

6、...64、混凝土澆筑.......................................................................................................................65、預(yù)應(yīng)力鋼絞線張拉...............................................................................

7、............................76、預(yù)應(yīng)力張拉安全操作注意事項(xiàng)：.....................................................................................77、孔道壓漿及封端................................................................................

8、...............................8四、T梁運(yùn)輸..........................................................................................................................9五、T梁預(yù)制順序...................................................

9、...............................................................9六、施工工期安排.................................................................................................................9七、施工主要人員安排........................

10、...............................................................................10八、施工主要設(shè)備...............................................................................................................10九、施工安全保證措施........

11、...............................................................................................121、施工安全保證體系.........................................................................................................122、施工安全

12、保證措施.........................................................................................................13十、環(huán)境保護(hù)措施.....................................................................................................

13、..........141、保護(hù)和改善施工現(xiàn)場(chǎng)的環(huán)境，進(jìn)行綜合治理..............................................................14幅）趙家河壩中河大橋（右幅）K72225K72613230740130388俞家壩中河大橋（左幅）K72675K72939130440230264俞家壩中河大橋（右幅）K72671K64933130440230262擬建2號(hào)預(yù)制場(chǎng)主要滿足三工區(qū)4

14、座大橋405片T梁預(yù)制工作。T梁分30m跨和40m跨兩類T梁。T梁預(yù)應(yīng)力鋼絞線采用ASTM41692a標(biāo)準(zhǔn)的低松弛高強(qiáng)度鋼絞線，其抗拉強(qiáng)度標(biāo)準(zhǔn)fpk=1860Mpa，公稱直徑15.24mm，彈性模量Ey=1.95105Mpa。預(yù)制梁正彎矩鋼束采用OVM15型系列錨具及其配套設(shè)備，管道采用預(yù)埋塑料波紋管成型。T梁工程數(shù)量及分布如表11032：表113202T梁主要工程數(shù)量表T梁數(shù)量項(xiàng)目30m40mⅠ級(jí)鋼筋(kg)Ⅱ級(jí)鋼筋(kg)鋼絞線(k

15、g)砼(m3)新華左線1號(hào)大橋3540123552429025121054C50：2761新華右線1號(hào)大橋701010975439166892910C50：2442新華左線2號(hào)大橋455774420907946026C50：1287新華右線2號(hào)大橋303849613938630684C50：858趙家河壩中河大橋（左幅）20359541932544395055C50：2112趙家河壩中河大橋（右幅）1535890033022128994

16、1C50：1969俞家壩中河大橋（左幅）15205910820256157970C50：1309俞家壩中河大橋（右幅）15205910820256157970C50：1309二、預(yù)制場(chǎng)布置和工序安排1、預(yù)制場(chǎng)布置根據(jù)本工區(qū)四座橋梁布置和施工現(xiàn)場(chǎng)實(shí)際情況，擬在K71950～K72225段路基設(shè)置2號(hào)預(yù)制場(chǎng)以滿足4座橋T梁預(yù)制的施工要求。2號(hào)預(yù)制場(chǎng)分4排4列擬建16個(gè)底座，為了運(yùn)梁及砼澆筑方便便道從預(yù)制場(chǎng)中間穿過，預(yù)制場(chǎng)內(nèi)設(shè)置橫縱貫通的排水