phc靜力壓樁施工方案

1、靜力壓樁施工方案1目錄一、工程概況..............................................................................................2二、地形地質(zhì)及氣候水文..........................................................................2三、編制依據(jù)................

2、..............................................................................6四、壓樁前施工準(zhǔn)備工作..........................................................................6五、施工進(jìn)度的控制..............................................

3、....................................8六、施工方法..............................................................................................8七、試樁..............................................................................

4、......................14八、預(yù)應(yīng)力管樁的質(zhì)量要求....................................................................15九、管樁的吊裝、運(yùn)輸和堆放.................................................................18十、預(yù)防斷樁一般措施........................

5、....................................................19十一、質(zhì)量保證體系及保證措施............................................................19十二、施工現(xiàn)場(chǎng)安全管理........................................................................22十三、文明

6、施工及成品保護(hù)管理措施....................................................24靜力壓樁施工方案3（1）素填土層號(hào)①土灰、土黃、褐黃、褐灰、褐紅色，主要為花崗巖風(fēng)化土堆填而成，巖芯松散狀，稍濕～飽和，欠壓實(shí)。該層于道路沿線(xiàn)場(chǎng)地分布普遍，本次勘察各鉆孔均有揭露，厚度1.20～5.20m，平均厚度2.52m。層底標(biāo)高2.77～0.69m。（2）淤泥層號(hào)②灰黑色，具腐臭味偶含貝殼碎屑及石英砂，

7、干強(qiáng)度及韌性中等，無(wú)搖震反應(yīng)，飽和，流塑。該層于道路沿線(xiàn)場(chǎng)地分布普遍，本次勘察各鉆孔均有揭露。厚度12.80～34.00m，平均厚度25.67m。層底標(biāo)高34.58～15.57m。（3）粉質(zhì)粘土層號(hào)③土灰黃、褐黃、褐紅、青灰等花斑色，巖芯長(zhǎng)條狀，組分以粘性土為主，含少量石英砂，局部夾薄層粉細(xì)砂，切面稍粗糙，飽和，可塑。該層于道路沿線(xiàn)場(chǎng)地分布普遍，本次勘察各鉆孔均有揭露。厚度未揭穿，揭露厚度5.20～7.80m，平均揭露厚度6.25m。層