【正文】 上懸掛時，梁下有汽車，行人穿過、逗留，以防發(fā)生意外，架梁時須盡量縮短時間，減少擾民及交通影響。/ 25樂昌至廣州高速公路第T26標合同段現(xiàn)澆箱梁及跨既有公路施工安全技術措施目錄一、編制原則及工程概況.......................................................................................................................1編制原則....................................................................................................................................................1 2工程概況.......................................................................................................................................................2二、箱梁施工安全..................................................................................................................................2 1安全組織機構...............................................................................................................................................3 2危險因素分析及對策...................................................................................................................................3 ........................................................................................................................................3 ....................................................................................................................................................3 .................................................................................................................................3 .....................................................................................................................................5 .........................................................................................................................6 .................................................................................................................................6 .............................................................................................................................7 .....................................................................................................................................8 ...............................................................................................................................10安全保證措施..............................................................................................................................11 ......................................................................................................................................11 ...............................................................................................................................12 ....................................................................................................................12 ...............................................................................................................................13 ...............................................................................................................................14 ....................................................................................................................14 ...............................................................................................................................................15腳手架模板工程安全預控做事..............................................................................................................15三、跨公路安全施工............................................................................................................................16/ 25樂昌至廣州高速公路第T26標合同段現(xiàn)澆箱梁及跨既有公路施工安全技術措施主要施工方案..........................................................................................................................................16 ..................................................................................................................................17 .......................................................................................................................17 ......................................................................................................................17 ...................................................................................................................18 ...........................................................................................................................19交通疏導方案及應急預案......................................................................................................................20 ..................................................................................................................................21 ..............................................................................................................................21 ..................................................................................................................................22預制梁跨既有公路..................................................................................................................................23 ..................................................................................................................................................23 ..................................................................................................................................................23/ 25第三篇：現(xiàn)澆箱梁施工方案現(xiàn)澆箱梁施工方案一、工程概況K135+，橫跨338省道，交角為90176。該橋基礎形式為鉆孔灌注樁，共30顆，長38m，右幅鉆孔樁樁長47m，左幅鉆孔樁樁長48m。上部構造為現(xiàn)澆連續(xù)箱梁，為三室結構，為4室結構。二、現(xiàn)澆箱梁施工方案現(xiàn)澆箱梁支架采用滿堂式碗扣支架，搭設滿堂支架時，封閉338省道交通，從3臺路基進行改道，確保滿堂支架施工的安全。箱梁砼澆筑采用二次澆筑法，第一次澆筑至腹板與翼緣板連接處，第二次澆筑頂板，待箱梁砼強度達到100%時進行預應力張拉。然后填筑40cm厚6%灰土，分兩層回填，壓實度達到93%以上，回填土頂面與省道路面齊平，并做出2%—4%的橫坡，以利于排水。然后用鏵犁翻松30cm厚表面土層，摻入10%生石灰粉，用旋耕犁拌和均勻，待含水量合適實，壓路機碾壓密實，壓實度達到90%以上。排水溝挖設在10%灰土處理過的地基范圍四周挖設5050cm的排水溝，排水溝與路線右側的省道兩側的自然排水溝連通，將雨水引進排水溝，防止雨水浸泡地基，避免碗扣支架產生不均勻沉降。碗扣支架采用WDJ式支架。測量放樣測量人員用全站儀放樣出箱梁在地基上的豎向投影線，并用白灰撒上標志線，現(xiàn)場技術員根據投影線定出單幅箱梁的中心線，同樣用白灰線做