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橋梁基礎(chǔ)及下部構(gòu)造施工技術(shù)方案(文件)

 

【正文】 .............................................................................. 19 ............................................................................................................................................ 19 ................................................................................................................................................ 20 工藝流程 ........................................................................................................................................... 20 測(cè)量放樣 ........................................................................................................................................... 20 安裝抱箍支架 .................................................................................................................................. 21 安裝蓋梁底模 .................................................................................................................................. 21 鋼筋制作、綁扎 .............................................................................................................................. 21 安裝蓋梁側(cè)模 .................................................................................................................................. 22 澆筑砼 ............................................................................................................................................... 22 脫模、養(yǎng)生 ....................................................................................................................................... 22 ........................................................................................................................... 22 工藝流程 ........................................................................................................................................... 22 支座墊石施工 .................................................................................................................................. 23 支座安裝 ........................................................................................................................................... 24 ................................................................................................................................................ 24 工藝流程 ........................................................................................................................................... 24 擋塊施工 ........................................................................................................................................... 25 .............................................................................................................................. 25 ........................................................................................................................................................ 26 ................................................................................................................... 26 施 .............................................................................................................................. 26 ........................................................................................................................................ 26 中鐵隧 道股份有限公司汶馬高速 C10 合同段 施工技術(shù)方案 ............................................................................................................................... 30 ........................................................................................................................... 30 ............................................................................................................................... 31 ............................................................................................................... 32 ...................................................................................................... 33 ................................................................................................................................... 34 ............................................................................................................................... 35 ................................................................................................................................................... 35 ........................................................................................................................................ 35 ........................................................................................................................................ 35 ........................................................................................................................................ 37 ........................................................................................................................................ 38 ........................................................................................................................................ 41 ................................................................................................................................ 42 ......................................................................................................................................... 42 中鐵隧 道股份有限公司汶馬高速 C10 合同段 施工技術(shù)方案 1 B 匝道大橋 基礎(chǔ)及下部構(gòu)造 施工 技術(shù) 方案 1. 編制目的 為明確 橋梁基礎(chǔ)及下部構(gòu)造施工 作業(yè)的工藝流程、操作要點(diǎn)和相應(yīng)的 控制指標(biāo) ,指導(dǎo)、規(guī)范 橋梁基礎(chǔ)及下部構(gòu)造 施工 , 保證 施工 作業(yè)安全 , 確保施工質(zhì)量,特編制本施工方案。 (2)橋位 以卵石、漂石為主,橋址岸上覆約 3m粉質(zhì)填土, 墩臺(tái)樁基均為摩擦樁。檢測(cè)鋼管外徑 57mm,壁厚 3mm,且一般高出樁頂 30cm;預(yù)埋中鐵隧 道股份有限公司汶馬高速 C10 合同段 施工技術(shù)方案 2 鋼管時(shí)需保持鋼管豎直接觸孔底,頂、底端需用麻繩等封堵,使?jié)仓炷習(xí)r不堵孔。 施工便道、施工用電、施工用水 (1)施工便道 : 從 理縣隧道工區(qū)攪拌站接入 , 采用泥結(jié)碎石路面,保證機(jī)械車(chē)輛能進(jìn)入施工現(xiàn)場(chǎng)作業(yè); (2)施工 用電 :從理縣工區(qū)攪拌站立桿,采用 240mm2電纜 接入; (3)施工 用 水:采用 2
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