[其他] 质量控制点初探（2） [复制链接]

序号„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

名称„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

预防措施„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

监理控制要点„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

监理措施„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

10„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

基坑支护„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

土方开挖的„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË
顺序、方法„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

见证点,土方开挖的顺序、方法必须与设计工况相一致，并遵循“十六字”原则„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

开槽支撑，先撑后挖,分层开挖,严禁超挖„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

旁站监理„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

基坑变形监控„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

见证点,必须确保支护结构安全和周围环境安全进行位移、沉降监测„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

位移、沉降监控值在允许范围内„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检测„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

降、排水„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点，基坑边界周围地面应设排水沟，对坡顶、坡面、坡脚采取降排水措施„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

降排水措施„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

坑边超堆载„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点，基坑周边严禁超堆荷载„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

基坑周边严禁超堆荷载„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

基底原状土„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点，防止碰撞支护结构、工程桩或扰动基底原状土„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

防碰撞支护、桩和扰动基底原状土的措施„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

信息施工法„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点,一级边坡工程施工应采用信息施工法。„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

一级边坡采用信息施工法„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

爆破震害„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点,采用爆破法施工时，应采取有效措施避免爆破对边坡和坡顶建（构）筑物的震害。 „îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

采取有效措施避免爆破震害。 „îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

旁站监理„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

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　„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

11„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

桩基(钻孔灌注桩)„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

放线（轴线、标高、桩位）„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点，按规划部门控制点校核„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查桩孔定位放线、定位轴线、标高„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

复查、测量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

原材料质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点,钢筋、水泥、砂石等原材料检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

钢筋、水泥、砂石等原材料的质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查、复检„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

试配报告审查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点，配合比、坍落度、试验报告审查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查砼外加剂、配合比„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查、复检„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

钻头与护筒中心重合„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

见证点,复核钻头中心与护筒中心是否重合„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

复核钻头中心与护筒中心„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

尺量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

钻杆垂直度„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

见证点,检查钻杆垂直度„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查钻杆垂直度„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

经纬仪测量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

桩位和垂直度偏差„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点,桩的平面位置和垂直度的偏差在允许范围内„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查桩位和垂直度偏差„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

动测法检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

泥浆质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

见证点,泥浆试验,检查泥浆质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

泥浆试验及质量检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查比重、粘度、含砂量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

终孔、清孔质量,持力层„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点,桩底清孔质量应按要求执行.沉渣厚度:端承桩≤50㎜,摩擦桩≤150㎜ . 入岩判断„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

孔深、孔径、沉渣厚度、设计持力层检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

尺量、观察检查记录„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

验筋„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

见证点,钢筋笼制作安装检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

钢筋笼绑扎„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

尺量检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

砼质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

见证点,浇灌砼每浇注50m3必须有1组试件，小于50m3„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË
的桩，每根桩必须有1组试件„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

砼施工质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

旁站监理,测坍落度„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

砼量和顶标高„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点，桩顶标高至少要比设计标高高出0.5m„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

实际浇灌混凝土量和桩顶标高„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

记录、测量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

成桩质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点，混凝土强度等级,桩身完整性检测„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

成桩质量可靠„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

低应变法、超声法、钻芯法检测„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

　„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

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　„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

承载力检验„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点，成桩质量可靠性低的灌注桩，应采用静载荷试验的方法进行检验，检验桩„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË
„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË
数不应少于总桩数的1%，且不应少于3根，当总桩数少于50根时，应不少于2根。„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

单桩承载力„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

高应变法、静载法„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

12„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

桩基(冲孔灌注桩)„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

放线（轴线、标高、桩位）„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点，按规划部门控制点校核„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查桩孔定位放线、定位轴线、标高„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

复查、测量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

原材料质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点,钢筋、水泥、砂石等原材料检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

钢筋、水泥、砂石等原材料的质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查、复检„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

试配报告审查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点，配合比、坍落度、试验报告审查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查砼外加剂、配合比„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查、复检„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

桩锤钢丝绳与护筒中心重合„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

见证点,桩锤钢丝绳严重偏离护筒中心位置„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

复核桩锤钢丝绳与护筒中心„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

经纬仪测量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

桩位和垂直度偏差„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点,桩的平面位置和垂直度的偏差在允许范围内„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查桩位和垂直度偏差„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

动测法检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

泥浆质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

见证点,泥浆试验,检查泥浆质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

泥浆试验及质量检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查比重、粘度、含砂量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

终孔、清孔质量,持力层„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点,桩底清孔质量应按要求执行.沉渣厚度:端承桩≤50㎜,摩擦桩≤150㎜ .„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË
入岩判断„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

孔深、孔径、沉渣厚度、设计持力层检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

尺量、观察检查记录„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

验筋„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

见证点,钢筋笼制作安装检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

钢筋笼绑扎„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

尺量检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

砼质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

见证点,浇灌砼每浇注50m3必须有1组试件，小于50m3„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË
的桩，每根桩必须有1组试件„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

砼施工质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

旁站监理,测坍落度„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

砼量和顶标高„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点，桩顶标高至少要比设计标高高出0.5m„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

实际浇灌混凝土量和桩顶标高„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

记录、测量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

成桩质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点，混凝土强度等级,桩身完整性检测„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

成桩质量可靠„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

低应变法、超声法、钻芯法检测„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

承载力检验„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点，成桩质量可靠性低的灌注桩，应采用静载荷试验的方法进行检验，检验桩„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË
数不应少于总桩数的1%，且不应少于3根，当总桩数少于50根时，应不少于2根。„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

单桩承载力„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

高应变法、静载法„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

13„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

桩基(人工挖孔灌注桩)„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

放线（轴线、标高、桩位）„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点，按规划部门控制点校核„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查桩孔定位放线、定位轴线、标高„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

复查、测量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

原材料质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点,钢筋、水泥、砂石等原材料检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

钢筋、水泥、砂石等原材料的质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查、复检„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

试配报告审查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点，配合比、坍落度、试验报告审查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查砼外加剂、配合比„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查、复检„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

桩位和垂直度偏差„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点,桩的平面位置和垂直度的偏差在允许范围内„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查桩位和垂直度偏差„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

动测法检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

终孔、清孔质量,持力层„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点,桩底清孔质量应按要求执行.沉渣厚度:端承桩≤50㎜,摩擦桩≤150㎜ .入岩判断„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

沉渣厚度、设计持力层检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

尺量、观察检查记录„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

验筋„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

见证点,钢筋笼制作安装检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

钢筋笼绑扎„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

尺量检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

砼质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

见证点,浇灌砼每浇注50m3必须有1组试件，小于50m3„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË
的桩，每根桩必须有1组试件„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

砼施工质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

旁站监理,测坍落度„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

砼量和顶标高„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点，桩顶标高至少要比设计标高高出0.5m„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

实际浇灌混凝土量和桩顶标高„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

记录、测量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

成桩质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点，混凝土强度等级,桩身完整性检测„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

成桩质量可靠„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

低应变法、超声法、钻芯法检测„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

承载力检验„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点，成桩质量可靠性低的灌注桩，应采用静载荷试验的方法进行检验，检验桩„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË
数不应少于总桩数的1%，且不应少于3根，当总桩数少于50根时，应不少于2根。„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

单桩承载力„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

高应变法、静载法„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

安全措施„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点,设应急爬梯,孔内戴安全帽,设备安全可靠并配有自动卡紧保险装置;检测井下的有毒有害气体,配有专门的送风设备; 挖出的土石方应及时运离孔口，不得堆放在孔口四周1m范围内;电工操作持证；接地、接零和使用漏电保护器,严禁一闸多用,照明应采用安全矿灯或12V以下的安全灯。„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查安全措施„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

旁站监理„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

成孔„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点,孔深、孔径、垂直度，护壁形式，支护情况，土层状况，地下水位„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

成孔过程„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

旁站监理„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

14„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

桩基(予应力管桩)„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

放线（轴线、标高位）„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点，按规划部门控制点校核„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查桩孔定位放线、定位轴线、标高„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

复查、测量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

管桩成品质量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点，生产厂家资质、产品合格证;质量保证资料;成品观感质量检查;实测实量;控制允许偏差范围„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查资料;实测实量„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

尺量,检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

起吊、运输、堆放„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点,吊点位置应符合设计要求;运输过程中必须采取可靠的防损、防滚、防滑措施; 管桩、管节应按规格材质分开堆放，堆放层次不宜太高.„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

起吊、运输、堆放安全可靠„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

旁站监理„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

打桩顺序„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点,„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË
打桩宜按中间向四周；中间向两端；先长后短；先高后低原则确定打桩顺序。„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

打桩顺序合理„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

桩机就位„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点,桩架龙口必须挺直，应确保桩锤、桩帽、桩身在同一轴线上，桩架要坚固、稳定，并有足够的刚度，锤击时不产生颤动位移。桩垫应有一定的弹性和韧性，有足够的厚度并经常检查，及时更换或补充。„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

桩机安装符合要求„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

桩位偏差„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点,桩位偏差在允许范围内„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查桩位偏差„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

动测法检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

桩垂直度„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

见证点,起吊就位插入地面时的垂直度用长条水准尺或两台经纬仪随时校正垂直度偏差不得大于桩长的0.5％;施打过程中，桩锤、桩帽、桩身的中心线应重合.„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

施打过程中桩垂直度符合要求„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

管桩接头„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点,管桩入土部分桩头高出地面0.5～1.0米时接桩，接桩时，上节桩应对直，轴向错位不得大于2mm。采用焊接接桩时，上下节桩之间的空隙应用铁片全部填实焊牢，结合面的间隙不得大于2mm。焊接坡口表面用铁刷子刷干净，露出金属光泽。焊接时宜先在坡口圆周上对称点焊6点，待上下桩节固定后拆除导向箍再分层施焊。施焊宜由2～3名焊工对称进行，焊缝应连续饱满，焊接层数不少于三层，内层焊渣必须清理干净以后方能施焊外一层，焊好后的桩必须自然冷却8分钟方可施打，严禁用水冷却或焊后即打„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

焊接接桩符合规定。„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

送桩„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点,送桩深度不宜大于2.0m，当桩顶打至接近地面需要送桩时，应测出桩垂直度并检查桩顶质量，合格后立即送桩，收锤贯入度可按不送桩的小5mm来控制„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

送桩应满足强度和刚度 等要求„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

贯入度控制„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制点,每根桩的总锤击数不宜超过2500击，最后1米沉桩锤击数不宜超过300击，最后贯入度以试验桩打完后设计院提出的数值为准但不宜小于20/10击，并且最后贯入度应在以下条件下测量：桩头完好无损、柴油锤跳动正常、桩锤、桩帽、送桩器及桩身的中心线重合、桩帽衬垫厚度等正常、打桩结束前立即测定。„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

控制贯入度„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

截桩头„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

见证点,桩头截除应采用锯桩器截割，严禁用大锤横向敲击或强行扳拉截桩，截桩后桩顶标高偏差不得大于10cm.„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

截桩头应符合规定„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

检查„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

承载力检验„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

停止点，成桩质量可靠性低的灌注桩，应采用静载荷试验的方法进行检验，检验桩 数不应少于总桩数的1%，且不应少于3根，当总桩数少于50根时，应不少于2根。„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

单桩承载力„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË

高应变法、静载法„îvH›UJ²##bbs.3c3t.com Z¹RÙÇÈË