<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ谈现场土方压实试验工作对土方回填施工质量的保证<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ云南城市建设监理有限公司 周伟<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ——— 来源：《云南建设监理》<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ笔者监理了云南省大型戒毒劳教所土石方工程，通过土方回填前的现场压实试验工作，保证了大型土方回填的工程质量。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ中华人民共和国国家标准GB50202-2002《建筑地基基础工程施工质量验收规范》<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ第六章土方工程中6.3条土方回填对土方回填作了4条规定，其中6.3.3条：填方施工过程中应检查排水措施，每层填筑厚度、含水量控制、压实程度。填筑厚度及压实遍数应根据土质，压实系数及所用机具确定。如无实验依据，应符合表6.3.3的规定。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ表6.3.3<e <À?9Ífbbs.3c3t.coma >±x Ѹ
填土施工时的分层厚度及压实遍数<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ压实机具 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 分层厚度（mm） <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 每层压实遍数 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ |
平碾 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 250～300<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 6～8<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ |
振动压实机 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 250～350<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 3～4<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ |
柴油打夯机 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 200～250 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 3～4<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ |
人工打夯 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | ﹤200<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 3～4<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ |
<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ在条文说明中：填方工程的施工参数如每层填筑厚度、压实遍数及压实系数对重要工程均应做现场实验后确定，或由设计提供。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ笔者认为对于大型及重要工程，必须按照该规范执行。笔者就自己监理的上述民用建筑土方回填工程，通过现场压实实验，来说明场地回填土方工程中压实实验的重要性，供参考。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ回填土的质量主要由现场回填土的压实密度来体现。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ土方回填前应清除基底的垃圾、树根等杂物，抽除坑穴积水、淤泥，验收基底标高。如在耕植土或松土上填方，应在基底压实后再进行，一般现场取土样，进行干密度实验，合格后进行回填土施工，对于软弱层，应根据设计要求进行换填处理后再进行施工。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ回填方土料应满足设计要求，对于需挖填场地，应立足于现场挖出的土料。所使用的土料必须现场取样，对土性变化大的场地，需划分出各自的区域，分别取样测定土样的最大干密度与最优含水量，回填时需分开回填，不能混淆。回填土前需测定土的含水量，如含水量大，需进行晾晒，降低含水量。如含水量小，需人工洒水，增加含水量，保证含水量接近最优含水量。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ施工场地地质情况说明：场地为残、坡积红粘土，分布均匀，厚度1～20米，变化较大，下伏灰岩，岩性变化不大，红粘土带弱膨胀性。挖方量约25万方，填方约22万方，石方约3万方，挖填基本平衡。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ一、试验目的：<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ测定土的含水量与质量密度的关系，从而确定该土的最优含水量与相应的压实干密度，根据击实试验确定的最大干密度之间的关系，掌握土方回填的压实遍数，给场平工作施工创造条件，以便保证土方压实的质量。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ二、试验内容：<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ本试验场地选在回填范围内，占地面积240m2, 试验场地根据工程的土方不同来源分为三部分（土样一、土样二、土样三）。试验日期为一天，参加人员为建设单位5人，监理单位4人，施工单位5人，共计14人。试验方法采用推土机找平，虚铺土厚度35cm，TY14型拖式振动碾压机，压实遍数4遍（振动碾4遍）；6遍（平碾2遍，振动碾4遍）和8遍（平碾2遍，振动碾6遍）三次进行，其中铺土也是依次进行，根据土样来源和压实变数不同共取土样75件（其中在做试验时废了一件），实际试验土样74件。待三层土样都根据不同的压实遍数全部压实后又垂直取样18件（每个土样取6组），由于在取样过程中废了一件，实际试验土样17件，整个过程共做土工试验92件，取样均采用200cm3环刀进行。74件土样含水量与干密度关系见下表：<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ振动碾压4遍（土样一）<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ环刀号 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 含水量 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 干密度 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 12#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 34.0<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.388<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 14#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 34.6<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.382<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 2#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 29.0<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.45<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 18#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 30.4<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.419<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 13#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 30.1<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.422<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ |
<e <À?9Ífbbs.3c3t.coma >±x Ѹ<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 振动碾压4遍（土样二）<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ环刀号 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 含水量 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 干密度 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 33.5<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.416<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 8#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 31.6<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.413<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 15#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 31.8<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.373<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 4#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 30.3<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.443<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 11#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 34.3<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.370<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ |
<e <À?9Ífbbs.3c3t.coma >±x Ѹ<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ |
振动碾压4遍（土样三） <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ环刀号 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 含水量 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 干密度 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 8#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 35.0<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.412<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 34.6<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.393<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 14#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 34.5<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.413<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 11#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 33.6<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.419<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ |
<e <À?9Ífbbs.3c3t.coma >±x Ѹ<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 振动碾压6遍（土样一） <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ环刀号 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 含水量 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 干密度 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 12#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 35.9<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.372<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 14#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 32.5<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.408<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 2#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 31.8<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.442<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 18#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 34.9<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.354<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 13#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 34.1<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.394<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 15#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 34.8<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.393<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 17#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 35.2<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.390<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 3#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 34.9<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.371<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 5#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 34.4<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.408<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 7#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 34.6<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.404<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ |
<e <À?9Ífbbs.3c3t.coma >±x Ѹ<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ |
振动碾压6遍（土样二） <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ环刀号 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 含水量 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 干密度 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 33.4<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.430<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 8#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 34.8<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.380<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 15#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 34.8<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.393<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 4#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 39.6<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.332<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 11#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 36.2<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.344<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 4#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 33.9<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.392<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 12#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 32.0<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.393<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 18#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 34.9<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.363<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 13#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 39.7<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.395<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 10#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 33.3<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.394<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ |
<e <À?9Ífbbs.3c3t.coma >±x Ѹ<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 振动碾压6遍（土样三）<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ环刀号 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 含水量 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 干密度 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 14#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 32.5<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.408<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 2#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 31.8<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.442<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 33.4<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.43<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 8#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 34.8<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.384<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 11#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 32.6<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.344<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 14′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 33.9<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.390<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 2′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 29.9<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.490<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 30.8<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.443<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 8′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 33.6<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.430<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 11′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 37.3<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.377<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ |
<e <À?9Ífbbs.3c3t.coma >±x Ѹ<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ |
振动碾压8遍（土样一） <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ环刀号 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 含水量 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 干密度 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 30.4<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.449<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 18#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 33.8<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.408<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 14#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 34.7<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.344<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 12#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 30.9<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.401<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 2#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 31.7<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.450<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 7′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 35.7<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.405<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 3′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 30.1<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.405<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 15′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 29.9<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.392<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 2′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 30.6<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.470<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 30.3<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.411<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ |
<e <À?9Ífbbs.3c3t.coma >±x Ѹ<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 振动碾压8遍（土样二） <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ环刀号 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 含水量 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 干密度 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 15#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 35.7<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.388<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 5#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 32.6<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.406<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 4#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 30.6<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.45<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 10#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 29.2<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.488<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 13#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 29.4<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.474<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 8′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 32.6<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.420<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 18′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 32.7<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.416<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 4′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 33.0<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.413<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 11′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 31.4<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.462<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 13′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 33.7<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.372<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ |
<e <À?9Ífbbs.3c3t.coma >±x Ѹ<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ |
振动碾压8遍（土样三）<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ环刀号 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 含水量 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 干密度 <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 7#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 36.5<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.396<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 8#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 35.9<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.341<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 3#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 34.6<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.394<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 17#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 35.7<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.396<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 11#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 35.2<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.406<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 17′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 31.4<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.419<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 5′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 32.5<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.372<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 10′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 34.4<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.382<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 12′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 34.1<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.375<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 14′#<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 32.1<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | 1.412<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ |
<e <À?9Ífbbs.3c3t.coma >±x Ѹ<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ | <e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ |
<e <À?9Ífbbs.3c3t.coma >±x Ѹ三、试验情况：<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ1、所试验的粘土经环刀取样试验，干密度随含水量增加而减少。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ2、所试验的粘土天然含水量偏大，所做点处于最佳含水量锋值的右侧。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ3、从试验来看，碾压6、8遍所做点相对集中，离散点较少。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ4、从挖坑取样看，在第3层碾压后几处厚度有35cm，底部所取土样相对容易，眼观察土体稍松。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ5、挖坑取样中，有结合层分离情况。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ6、同层碾压中，光滑面结合处有水平分层现象。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ7、实验碾压不均匀，有的地方碾压遍数失真及实验操作不规范，导致少量数据在相同含水量的情况下，干密度相差偏大。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ8、垂直取样实验情况与分层取样实验基本一致，后续碾压对下层密实度基本无影响，不会增加下层的密实度。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ9、虚铺土厚度可按35cm实施。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ四、结论：<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ1、本场地回填土质天然含水量偏大，回填时要减少含水量，含水量以击实实验的最优含水量为准，施工方要采取保证含水量措施。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
2、建议施工回填碾压遍数不能少于6遍，8遍不经济。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ3、需铺土厚度不大于35cm。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ4、每层结合层较光滑面处需采取抛毛处理。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ5、实验室操作人员要持证上岗，避免、减少实验误差。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ回填土施工时，施工、监理严格按实验结论指导施工：虚铺土厚度35cm，使用相同设备静压2遍，振动碾4遍（含抛毛处理的凸碾1遍），基层洒水后碾压，开挖回填土碾压前测含水量，分区域晾晒施工，试验员执证上岗，严格按实验规程操作，保证了回填土质量。后期基础施工时，人工开挖较难。特别是边坡较好：回填密实，容易成形，经过两个雨季后，5米高的边坡没有被雨水冲刷，保持了较好的形状，回填土施工受得了建设方的好评。<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ参考书目：中华人民共和国国家标准GB50202---2002《建筑地基基础工程施工质量验收规范》<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ <e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ
<e <À?9Ífbbs.3c3t.coma >±x Ѹ<e <À?9Ífbbs.3c3t.coma >±x Ѹ %20(2)_1.gif)
