软基处理施工方案

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3、gLinesToPointsSelectionParagraphFormatLineSpacingLinesToPointselectionParagraphFccccccccccccccccccccccccccccccccccccccccccccccccccccccccormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPoctionParagraSelec软基处理施工方案1．5．1竖向塑料排水板A．施工方法a.恢复中线，放出作业路段边桩，清理平整原地基

4、。做好排水系统应保证排水通道畅通以利软土排水固结。b.将质量合格的砂运至施工现场，按计算用量卸料，用人工配合推土机按设计厚度铺设砂垫层并压实。c.绘制方格网图并现场院放样，用方格网控制，标示插板位置，使板距误差控制在允许范围内。d.选择插板机（有轮胎式，链条式，轨道式），机上应刻用明显的井尺标志。如选用轨道式插板机时，要事先铺设与路基中线垂直的轨道。e.就位插板机，调好机架的平整度和套管的垂直度，使排水板的垂直度偏差控制在允许范围内。f.将排水板插入套管，起动振动锤，将套管和排水板压入土中。g.排水板进尺长度要定够，不允许使用搭接延续的排水板。

5、排水板的入土深度不得小于设计深度。h.输送滚轴反转，松开排水板，套管上提，排队水板留在土中满足设计深度，套管上提时，跟带排水板的长度不大于50cm。i.在地面以上20cm处切断排水板，移向下一孔位施工。SelectionParagraphFormatLineSpacingLinesToPointsSelectionParagraphFormatLineSpacingLinesToPointselectionParagraaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaphFormatLineSpac

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