[原创]
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监ß
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理ß
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工ß
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作ß
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总ß
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结ß
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报ß
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告ß
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(桩基部分)ß
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工程名称: 8#厂房 ß
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业 主:有限公司 ß
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总承包商:建设有限公司 ß
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桩基分包:建设有限公司 ß
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设计单位:建筑设计研究院 ß
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总监理工程师ß
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监理单位:建设监理有限公司 ß
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报告日期:2006年5月9日ß
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鄞州区电力企业服务有限公司8#厂房桩基ß
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工程监理总结报告ß
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一.工程概况ß
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1.ß
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建设单位:有限公司ß
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2.ß
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工程名称:厂房ß
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3.ß
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设计单位:建筑设计研究院ß
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4.ß
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总承包商:建设有限公司ß
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桩基分包:建设有限公司ß
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勘察单位:有限公司ß
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工程概况及特点:ß
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本工程位于工业园区。主体为框架3层,桩基设计采用φ426沉管灌注桩基础,设计单桩承载力特征值为450KN,本次验收为8#楼桩基。工程于2006年3月3日开工。ß
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桩基工程设计要求ß
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桩型:φ426沉管灌注砼桩ß
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单桩承载力特征值:450KNß
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桩长及数量: 32米共计126枚ß
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二.施工概况及对承包商评价意见:ß
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1.施工概况ß
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本工程按设计要求及施工操作程序于2006年3月3日在JI8号钻探孔附近的114#工程桩进行了试桩,桩长32米,传感器显示压桩力为752KN。经设计、建设、监理、施工单位等商定,确定工程桩控制标准:以设计桩长、设计桩顶标高控制,如压桩反力小于450KN及静压抬架及时与设计院联系,压桩力定为675KN。ß
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在施工过程中出现的异常情况,本监理部及施工方人员均能及时与设计院反映和沟通,设计单位有关人员也能多次深入工地现场,及时处理各类施工问题,给予技术上的有力支持,并按设计规范出具技术联系单或对施工方出具的联系单予以设计上的认可。ß
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2. 对承包商评价意见ß
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施工单位在桩基施工中,能建立起一套比较完整的质量、安全保证体系,有桩基施工组织设计及相关专项施工方案,提出了一系列保证质量、进度、投资及安全文明生产管理措施。桩基施工中能按试成桩记录及规范要求进行,并作到了安全、文明施工。ß
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三.工程质量控制情况:ß
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在打桩过程中,监理部采取全天候的现场旁站监理,对每枚桩从定位放样、审查原材料出厂合格证等入手,旁站时注重桩身垂直度、桩顶标高及桩体质量的控制,并及时按要求进行记录,严格控制桩身质量。根据实际情况,本监理部主要做了以下工作:ß
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1.认真阅读设计图纸及相关设计说明,严格按图纸和桩基施工技术规范进行监理。ß
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2.审查施工单位提交的施工组织设计及有关专项施工方案,并要求施工单位针对工程可能出现的质量问题提出预控措施。ß
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3.对进场材料严格把关,不合格的坚决做退场处理。ß
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4.制定桩基现场监理控制程序,严格控制成桩质量的各个主要环节:ß
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①复核桩放样定位控制点及桩位;ß
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②审核桩体质量;ß
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③控制桩的垂直度、桩顶标高;ß
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④及时处理异常情况;ß
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5.建立工程监理日记、监理月报,做好旁站记录,逐日记录工程施工情况。ß
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6.协调好各方关系,利用每周例会,协同施工单位做好生产工作对每次例会都形成会议纪要,并负责督促落实工作。ß
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7.审核施工资料,已审的资料见下表:ß
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序号ß
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1ß
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*Z3 | 桩基分部(子分部)工程质量验收记录ß
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9ß
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10ß
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11ß
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*Z3 | 低应变测试报告ß
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12ß
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*Z3 | 施工组织设计ß
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13ß
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*Z3 | 机械报审表ß
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14ß
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*Z3 | 桩位竣工图(包括偏位图)ß
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15ß
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*Z3 | 施工单位及施工人员资格证ß
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8.形成的工程监理资料ß
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① 施工监理记录1份ß
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② 施工旁站记录1份ß
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③ 监理会议纪要2份ß
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9.工程桩检测情况:ß
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①高应变动力检测:ß
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于2006年4月20日由鄞州正诚桩基检测有限公司对8#楼基础工程8根桩进行了高应变动力检测,旨在确定其单桩竖向极限承载力能满足设计要求。经检测均能够满足设计要求。ß
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② 低应变测试:ß
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鄞州区质量检测中心2005年4月28日对8#楼检测共计34根。其中Ⅰ类桩有16枚,II类桩有18枚,均能符合设计要求。ß
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10.桩偏位情况:ß
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桩基开挖后经监理、业主、施工各方在现场实际复核,桩位偏差情况如下:ß
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③轴交C轴的三桩承台29#桩往外偏10cm,ß
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②轴交A轴的三桩承台111#桩位往上偏10cm;ß
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处理如下:该两只三桩承台往偏位方向加宽10cm,并增加同一根规格的主筋,且横筋同时延长。ß
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经现场监理检查,已按上述联系单的要求整改完毕。ß
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四.结束语ß
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2006年5月9日,由本工程总监理工程师组织监理、业主、总包、桩基分包单位对有限公司8#厂房进行了桩基工程质量验收,认为该桩基工程符合设计和规范要求,同意报质监站进行桩基验收并进行桩基备案。ß
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工程建设监理有限公司ß
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监理公司项目部ß
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2006年5月9日ß
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*Z3[此贴子已经被作者于2006-12-27 22:39:29编辑过]ß
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