土方平衡方案 (第二版).docVIP

苏州万科木渎雀梅浜二、三期工程 土方平衡施工方案万科木渎雀梅浜二、三期工程土方平衡施工方案 编制人: 张丽君 审核人： 丁子均 审批人： 吴勉和 南通新华建筑集团有限公司 编制时间： 2014 年 3 月 11 日一、 工程概况苏州木渎雀梅浜项目2-1、2-2和3期工程位于苏州市姑苏西路与谢村路交汇处，由3幢小高层，4幢高层，6幢多层，一个地下车库组成，建筑面积约100000m2。序号单位工程名称占地面积单位建筑层数备注123#楼480.1m225224#楼648.1m225327#楼503.33m218431#楼507.78m218551#楼2257.72m214635#楼576.28m25736#楼758.84m25837#楼945.3m25938#楼945.3m251039#楼945.3m251150#楼945.3m251228#楼480m2251335#楼650m23414地库G区8123.65m2-1本工程设计标高.相当于黄海高程系统的绝对标高为4.600。二、 编制依据1、 工程蓝图。2、 相关实测资料（甲方提供，仅2-1标段及3期原始高程资料）。3、 工程地质资料。三、 施工方案准备工作： （1）在基坑开挖前，清理好挖土场地上的各种物品。 （2）土方开挖前，将建筑物控制点线标桩做好，建筑物自然地面标高方格网测好，并做好标高工作基准点。（3）备好水泵等应急设备。（4）由栋号负责人对挖机司机、运土车司机及配合保洁人员进行安全、技术和保洁交底。 施工过程：鉴于本工程地质情况、基坑开挖深度、地下水位、场地情况、施工进度要求等，经综合考虑安全、经济、施工及周围环境影响等因素，决定采用分阶段施工、放坡大开挖方案。基坑边坡放坡系数按1：1.5放坡，周边工作面留1米。（1）于2014年3月15日开挖35#、36#、37#楼土方；（2）于2014年6月6日开挖23#、27#、31#楼及地库G区土方；（3）于2014年7月27日月开挖24#、28#、32#、38#、39#、50#、51#楼土方。二期-1、-2及三期土方开挖平面示意图1、 考虑到现场场地有限（水平运输通道、材料加工场等）、后期2-3标段动工时间以及2-3标段内设置的办公区、仓库、宿舍，场内已无场地堆土，故所有开挖土方需外运。与环保部门联系弃土场地，交纳一定特管费后方可开挖弃土。2、 待各楼号及地库具备回土条件后，从外购土回填。 南通新华建筑集团有限公司（万科木渎雀梅浜二、三期工程项目部）103、相关数据1、 二期-1按甲方提供的场地原始标高为3.389米（黄海标高）。木渎雀梅浜2-1期地块原地面高程测量图序号标高13.093.593.593.613.583.573.583.583.553.593.593.353.533.63.5723.583.6433.5843.413.383.423.43.4353.413.383.4463.4173.773.933.623.283.273.733.6193.353.33.423.593.473.373.793.63.533.533.47103.683.61113.283.63123.573.263.273.423.873.513.32133.853.963.533.593.68143.31153.243.233.393.25163.223.09173.263.123.33.453.23.643.613.53.473.733.67183.173.71193.143.243.323.13.66202.62.72.65212.592.692.76223.143.073.033.23.343.343.483.63.443.473.773.714.18232.883.033.56242.923.02252.392.37262.28272.352832.85292.983.233.243.223.453.33.583.673.733.49302.863.53313.51323.51332.88343.053.15352.863.472.93.14363.43373.13383.51393.123.09402.693.273.293.36412.81422.773.213.363.083.373.63.623.813.17433.283.313.573.52.87442.633.55453.253.784.344.34463.5472.783.193.623.783.78483.23.523.963.323.233.473.553.654.374.31492.763.42502.93514.013.74523.623.613.76533.173.323.383.493.573.613.663.593.663.573.974.074.02平均值3.389木渎雀梅浜3-1期地块原地面高程测量图序号标高12.862.82.792.943.0922.712.682.722.722.7732.72.752.812.732.762.983.0442.772.752.772.692.72.752.7552.772.782.862.72.682.642.652.772.72.692.742.722.692.72.2053.9382.742.712.72.2993.0192.682.672.642.72.652.672.68102.652.682.732.672.712.713.032.91112.752.672.72.742.69122.722.682.712.792.62132.2982.82142.8152.692.762.662.632.87162.69172.832.762.782.812.82.75182.712.742.692.61192.822.812.72.672.69202.872.88212.752.46222.66232.822.82.82.82.742.671.93242.92.842.371.75252.481.6261.621.62271.41.79282.982.782.812.72.812.82.621.04291.42302.46312.432.27322.6332.573.25342.82.782.752.772.762.722.73.36平均值2.67木渎雀梅浜3-2期地块原地面高程测量值序号标高13.523.813.863.1823.533.483.523.623.633.483.212.9233.143.423.993.423.473.833.1343.072.942.812.732.673.23.9252.922.812.932.912.5962.391.771.992.53.872.612.842.3883.121.832.982.5392.92.96103.042.862.122.292.993.893.932.56112.882.92.942.992.912.993.22.79122.53.092.78132.46142.852.642.592.832.77152.892.952.913.062.952.97162.973.732.982.973.04173.583.633.563.66183.623.693.453.693.382.83192.912.923.043.023.022.86202.972.833.12.83213.023.113.173.153.123.13.08222.873.073.093.043.173.063.13232.93.013.0632.972.98243.073.04252.883.053.052.962.952.972.983.022.96262.982.9832.983.053.033.07272.932.982.923.022.972.942.942.943282.92292.812.7302.982.993.012.962.882.973.05313.013.013322.963.0233.09332.842.993.112.862.972.84343.062.86352.712.72.913.05362.742.722.732.832.812.79373.662.712.732.8382.63392.953402.74412.95422.762.93平均值3.01附：实测数据及面积总平面图。甲方提供的标高数据2、 第一阶段挖土号房占地面积M2基底标高M（相对标高）场地标高M（相对标高）土方开挖M335#576.28-3.5-1.91178536#758.84-3.8-1.91277237#945.3-4.1-1.913957合计85143、 第二阶段挖土号房占地面积M2基底标高M（相对标高）场地标高M（相对标高）土方开挖M323#480.1-4.35-1.2112637.31 27#503.33-4.05-1.2112500.67 31#507.78-4.05-1.2112522.78 地库G区8123.65-5.05-1.21143661.37 合计51322.134、 第三阶段挖土为号房占地面积M2基底标高M（相对标高）场地标高M（相对标高）土方开挖M324#648.1-4.35-1.2113560.18 51#2257.72-5.15-1.21115563.03 38#945.3-4.4-1.595275.48 39#945.3-4.75-1.595854.48 50#945.3-4.75-1.595854.48 28#480-4.35-1.592636.76 32#650-5.8-1.595800.00合计44544.415、 一期场地总共土方开挖约10438.54M36、 一期场地土方回填。根据施工蓝图，该标段景观绿化完成高度.45米（黄海标高）。号房基坑回填至原场地标高土方量：号房回填量m335#920.0036#1331.0037#1878.0023#1250.8427#1186.0331#1196.5224#1688.5451#7381.3238#2502.0939#2776.7050#2776.7028#1250.5832#2800.00地库G区14969.61合计43907.93原始