xx繞城公路a段施工方案

1、xx繞城公路繞城公路A3段施工方案段施工方案xxxxxx公司公司xxxx年目錄一、工程概況............................................................................................2二、路基土方施工幾點(diǎn)要求....................................................................3（

2、一)一般要求........................................................................................................3（二）清基........................................................................................................

3、.....4（三）挖方.............................................................................................................5（四）填土..............................................................................................

4、...............5（五）路基排水與防護(hù).........................................................................................6（六）橋涵填土.................................................................................................

5、....7三、橋涵施工要求....................................................................................8四、路面施工..........................................................................................11五、農(nóng)科院路基變更設(shè)計(jì)施工方案.........

6、.............................................15（一）概況...........................................................................................................15（二）施工布置....................................................

7、...............................................17（三）施工進(jìn)度...................................................................................................18（四）施工方法與要求.....................................................

8、..................................18（五）平面布置意見(jiàn)...........................................................................................22六、主要工程施工安排........................................................................

9、..23七、施工進(jìn)度安排..................................................................................25八、編寫(xiě)說(shuō)明..........................................................................................25為瀝青砼路面，路肩采用10cm后石灰土基層10cm厚

10、瀝青砂面層。行車道、硬路肩基層、底基層分別為15cm、20cm二灰碎石，15cm20cm石灰土。硬路肩為5.0cm中料式瀝青砼。路基土方設(shè)計(jì)挖方76574m3，填方590640m3，借土514066m3水塘清淤11062m3，原設(shè)計(jì)提供借土場(chǎng)施工車輛必須通過(guò)其它公路，當(dāng)?shù)夭煌饨柰?，給土方調(diào)配增加一定難度。主要構(gòu)筑物：a、橋八座（后改為十二座）其中五百戶分離式立交橋由建設(shè)單位另安排施工單位。b、通道十一座（后改為十座）；c、涵洞十八道（

11、后改為十五道）。被交道除五百戶分離式立交橋牛王廟小橋外，萬(wàn)家樓橋?yàn)闉r青砼路面，農(nóng)科院四座橋及吳家墩橋?yàn)樗囗怕访?，其他四座分離式立交橋和十個(gè)通道路面為2.5cm瀝青表處。二、路基土方施工幾點(diǎn)要求（一)一般要求1、設(shè)計(jì)路基寬度24.5m設(shè)計(jì)要求路基土方施工寬填0.3m。軟土段考慮沉降因素另加寬填0.15～0.30m。路面0.55m以下的路堤寬度，一般路堤為26.75m，一般軟土段27.05m，插板、高填方軟土段27.35m。路基寬填在路基