崔畈河大橋連續(xù)梁施工方案

1、崔畈河大橋連續(xù)梁施工方案崔畈河大橋連續(xù)梁施工方案目錄目錄1工程概況工程概況....................................................................................................................................31.11.1工程簡(jiǎn)介工程簡(jiǎn)介....................................

2、............................................................................................31.21.2箱梁箱梁構(gòu)造構(gòu)造.................................................................................................................

3、...............31.31.3預(yù)應(yīng)力預(yù)應(yīng)力體系體系............................................................................................................................42主要資源配置及依據(jù)主要資源配置及依據(jù)............................................

4、....................................................................42.12.1機(jī)械機(jī)械設(shè)備配置情況設(shè)備配置情況................................................................................................................42.22.2勞力配置勞力配置..

5、..............................................................................................................................52.32.3連續(xù)梁施工周期連續(xù)梁施工周期.........................................................................

6、...........................................62.42.4資源配置依據(jù)資源配置依據(jù)........................................................................................................................63施工工藝施工工藝............................

7、........................................................................................................73.13.10#1#0#1#段托架及施工段托架及施工.........................................................................................

8、.....................73.23.2連續(xù)梁懸澆段施工連續(xù)梁懸澆段施工..............................................................................................................193.33.3掛籃結(jié)構(gòu)設(shè)計(jì)掛籃結(jié)構(gòu)設(shè)計(jì)..............................................

9、........................................................................203.43.4直線段施工直線段施工..........................................................................................................................253.53.5

10、合攏段施工合攏段施工..........................................................................................................................264施工控制措施及存在問(wèn)題施工控制措施及存在問(wèn)題...............................................................

11、.......................................294.14.1線型控制線型控制..............................................................................................................................304.24.2撓度控制撓度控制.......................

12、.......................................................................................................304.34.3中心控制中心控制.....................................................................................................

13、.........................314.44.4斷面尺寸控制斷面尺寸控制......................................................................................................................314.54.5存在問(wèn)題及處理措施存在問(wèn)題及處理措施...............................

14、...........................................................................315附圖附圖..........................................................................................................................................

15、33圖一、崔畈河連續(xù)梁施工場(chǎng)地平面布置圖..................................................................................33圖二、崔畈河連續(xù)梁施工工序......................................................................................................3

16、3圖三、01#及1#段托架構(gòu)造圖.....................................................................................................33圖四、直線段托架構(gòu)造圖..........................................................................................

17、....................33圖五、三角托架構(gòu)造圖..................................................................................................................33圖六、塔吊技術(shù)參數(shù)...............................................................

18、.......................................................33計(jì)算書(shū)計(jì)算書(shū)......................................................................................................................................40一、托架性能計(jì)算一、托架性能計(jì)算.....

19、.............................................................................................................40二、掛籃性能計(jì)算二、掛籃性能計(jì)算.............................................................................................

20、.....................521工程概況工程概況1.11.1工程簡(jiǎn)介工程簡(jiǎn)介岳西至武漢高速公路安徽段地處皖西大別山區(qū)，是溝通安徽、湖北兩省的重要省際區(qū)域干線，也是連接中部地區(qū)和東部地區(qū)的重要高速公路大通道，本項(xiàng)目是“縱四”商丘—阜陽(yáng)—六安—望江—東至—景德鎮(zhèn)公路的重要連接線，項(xiàng)目的建設(shè)對(duì)于完善安徽省高速公路網(wǎng)，加強(qiáng)皖鄂兩省的交通經(jīng)濟(jì)聯(lián)系具有重要意義。路線在ZK29443，YK29446處跨越崔畈河。本橋所處段高速公路為分

21、離式路基，采用單幅雙車(chē)道設(shè)計(jì)，路基寬度12.25m，設(shè)計(jì)行車(chē)速度80kmh。本橋左線起始樁號(hào)：ZK29147，終止樁號(hào)：ZK29737.75；右線起始樁號(hào)：ZK29149.5，終止樁號(hào)：YK29743。本橋左線平面位于R=4460.29m的左偏圓曲線上，橋面橫坡為單向2%，縱斷面位于R=4000m的豎曲線上；墩臺(tái)徑向布置。設(shè)計(jì)荷載：公路I級(jí)。橋面寬度：橋面半幅布置0.5m（防撞護(hù)欄）11.0m（行車(chē)道）0.5m（防撞護(hù)欄），半幅寬12.

22、25m，全寬24.5m。1.21.2箱梁箱梁構(gòu)造構(gòu)造箱梁采用單箱單室截面，頂板寬12m，底板寬6.5m。合攏段及邊跨直線段梁高2.2米。梁底曲線按二次拋物線變化。墩頂01#梁段長(zhǎng)4m，一個(gè)“T構(gòu)”的懸臂分為11對(duì)梁段，其劃分從根部至跨中為：73m，44.0m。中跨合攏段和邊跨合攏段長(zhǎng)度均為2.0m，兩個(gè)邊跨直線段各長(zhǎng)4.85m，合攏段及邊跨直線段梁高2.2米。箱梁頂板厚為28cm，箱梁底板厚為30～60cm，腹板厚度50～70cm，變化