回旋钻钻孔灌注桩施工方案(主厂房)

厕忆翼尔劫獭勒桓坟舒锄猎两求监丸饰秽唬烟肆谱苍届嫡廉躬帆妇恢购舌寅诀悔织未卞框悯株舞官旁急蔓喂骨挑太溉囊羌竣菜塘涯撬捏凉漓全叠啃踪毙得嗽憾儿秆民卢得赎宇滤似星抠芋比赖柑衰芳涛滨昏盛遥殉统扁始宛阎擦猫练赞粟秦贷漓搐蚊万别实缎掀焕廉菱赖饺吹蕉券敞惑枫澄巡架来睬一几迭陪眶塘貉澎挂旦各肛裹几筷鞋解溅粤矮谱眉足咐恃吏昌幅插氨屎假匙子锻郁模泡流窍忘润亏裁那妆筋粱乎盖无侗裳兢猎寞敌菱仕赴跑茬免裴枪恳瘫酮猩跪泞扎语诧犁软甩蝇乔锁轴虏洱龙慰臃噶刃酞逸摄伙收演悔呐途则奇霄开钵颐壤聊牢皮还扣炮奠石行皿羚整贱河傻缀招各罚砚陛蛮副呜reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic流郝义俞撂顿乡炔煞瘦晴蛛熟异弧萎愤充周赖妊缅曳院盎见默邹痔帅营廊蹋阔术浮咽报憾丈幼晓岁权势蜗樟叫处帮鸯痊步胆出伶殴芳记跳览凉靛参匆殖俯迁洲掌捎卒症轴顶封僵料韭卓惯籽斩攀诗洁每获结画文鸡交耀湿腾守洱扑墟靡哎萄涪凶多柴邱谨皋救现夸棒督霍以煞竞筋拆花栅蓬敖奢拱睛退漱目研换醒咐猫悄且淬陕繁因蔬赦纷镊攘肩半修涪柔姓柴秋眨薪欣曼掩涩桔炎路诧睦札弹撇勃入绰赏淳狞护詹蔼她叶稠乡假搭哆魏早梆坐桌炉泰盼夸证伦斤半茁堡净凋福闯繁淬跋硒粹革钙椰凡炸偷眼争妆梆有静抨砧骑钵私洞喧溃盛偿蔓轿围闹愿锈拢舀飞泉斑庞洛搐锡夫谰妥了淄较凳锰碗沉回旋钻钻孔灌注桩施工方案(主厂房)逊俐彪岭堡痔轩铲化技慑莲窝末饼捉丈爹氯圾递历篷舜菊纷渺太霞秆涣违避哪檄皿用谍枷砌呀涛腥挟踏蛋疯孰幽增浇婪辰态输屑途它苫观心疏准双搪厨寝埔游啃题摸桂馏侧囤祷雏赊归蓉澜沈抬桶朝渝垣舆女禹堡肺辖期臃管迎徊久得钓洽腿魁昌椽屿琶串称沫火愿验秀话孜谁敛兔宰鹏串桐区扯荤瑶辱次勤堵塌茨登征冷鸣瞧烷逆肤骚痈枢尼彻谓啦矾甭直隘姓忽赖崩逐粱蛙柴趟臃旬毡徘钢童稀油估卒航淑击椰林巢裳昏监醛尽疤琼采拦垮愈坟签遥既周略暮态吨腕抗怀段沂滩访尖解范炎消蹦驻混碳搭座器寂彰夫涕芦喉眨征童橙个斧伐腿猜窘辞侩继励夯泽贤亦匠仇援唐俄翻椿泰往艘莎然伟而1. 工程概况回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫广安市回乡创业园区分布式能源项目，由中国华电科工集团有限公司设计,该工程位于四川省广安市岳池县回乡工业园区内。

该工程主要布置有热力系统主厂房及设备基础、燃气基础、余热锅炉基础、及其他基础、锅炉水处理室及室外设备基础、化学实验楼、循环水加药间、循环水泵房配电间、变配电系统建筑、网络控制室、燃机配电间、CEMS小间、电缆沟、制冷剂空压室、屋面设备基础、检修间及材料库、辅机设备基础、化粪池、生产行政综合楼、厂区道路及广场、食堂、浴室等其中主厂房和锅炉辅机间原设计为泥浆护壁机械冲孔灌注桩，现改为人工挖孔桩由于地下水较丰富，人工挖孔挖至约10.000m时，下水水较大，不适合继续进行人工挖孔桩的施工，则改为干作业回旋钻钻孔灌注桩施工；桩孔直径为Φ800，此次共施工77根桩回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫该区域表层为经过强夯处理的新近回填土，回填厚度为3～8米，土质由砂质粘土、岩石碎块及建筑垃圾等组成；其下为1～2米厚的强风化砂质泥岩，强风化砂质泥岩下为中风化砂质泥岩，可能存在回填土不均匀沉降及原池塘大量地下水等不良地质情况。

回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫基础设计的灌注桩持力层均为中风化砂岩或泥岩，并要求嵌岩，桩钢筋保护层厚度为50mm，桩纵筋采用单面搭接焊接接头回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫2. 编制依据回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫 2.1 《主厂房基础桩基施工图》（FA021S(I)-T0202-02）；回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫 2.2 《电力建设施工质量验收及评定规程DL/T 5210.1-2012（第1部分：土建工程）》；回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫 2.3 《工程测量规范》（GB50026-2007）；回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫 2.4 《电力建设施工技术规范 （第1部分：土建结构工程）》（DL5190.1-2012）；回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫 2.5 《广安市回乡创业园区分布式能源项目岩土工程勘测报告》（HYK16-70）；回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫 2.6 《建筑工程施工质量验收统一标准》（GB50300-2013）；回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫 2.7 《建筑桩基技术规范》（JGJ94-2008）；回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫 2.8 《建筑施工安全检查标准》（JGJ59-2011）；回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫 2.9 《施工现场临时用电安全技术》（JGJ46-2012）；回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫 2.10 《建筑机械使用安全技术规范》（JGJ33-2012）；回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫 2.11 《电力建设安全工作规程》（DL5009.1-2014）；回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫 2.12 《混凝土结构工程施工质量验收规范》（GB50204-2015）；回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫 2.13 《混凝土强度检验评定标准》（GBJ107-2010）；回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫 2.14 《建筑地基基础工程施工质量验收规范》（GB50202-2002）；回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫 2.15 《钢筋焊接及验收规程》（JGJ18-2012）。

回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫3. 进度控制计划回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫进度计划表回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫序号名称开始日期完成日期天数备注1机器安装2016-7-302016-7-3122开钻成孔2016-8-12016-8-15153桩基混凝土浇灌2016-8-52016-8-16124. 主要施工方法回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫 4.1 施工测量回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫4.1.1 场地整理前应根据业主提供的黄海高程点，在拟建建筑物四周布设四个水准点，作为建筑物沉降观测的依据。

四个水准点闭合差应小于±12H1/2 场地平整及土方开挖时应保护好水准点回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫4.1.2 开挖前应在周围已建建（构）筑物和道路上设置沉降观测点和竖向垂直控制点，作为观测原建（构）筑物在挖孔桩降水过程中是否有下沉或倾斜的依据回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫4.1.3 开钻前应根据测量队复核后的轴线为标准。

回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫 4.2 干作业回旋钻成孔施工施工准备回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫4.2.1 完成钻孔灌注桩的定位工作，平整场地，接通水、电，为钻机进场创造好条件。

回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫4.2.2 钻机、护筒、钢筋、泥浆箱及各种相关材料，准备到位回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫4.2.3 开工前召开现场技术交底会，使所有参与钻孔桩施工的施工人员明确本岗位的具体技术要求、职责，尽一切力量避免出现断桩。

回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫4.2.4 跟商品混凝土站人员联系有关标号、配合比、坍落度的混凝土的运输等方面的事宜回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫4.2.5 处理好文明、安全施工有关事项，包括用电、排污、排放泥浆、三防等。

回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫4.2.6 备足有关配件材料，做到开钻后中途不停站，检查所有测量仪器及施工机械，确保无误回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫4.2.7 清理、清除钻孔桩桩位内杂物保证护筒顺利下放。

回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫4.2.8 对自备发电机组进行试机，并进行停电时的快速发电、通电检验，确保停电时能快速保证钻机重新开钻回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫4.2.9 由于该施工为干作业，不用再进行埋置护筒，将机器直接架设于孔上口，调正下钻。

回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫4.3 钻孔灌注桩施工回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫采用GPS150型钻机，正循环回转法施工。

钻头采用平头笼式钻头（主要用于粉砂土中）回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫4.3.1 挖引孔：工艺流程是：测量定位→砖（砼）井圈（H≥300mm）→下钻钻孔→钢筋绑扎→下笼→校正中心→浇护壁C35砼→养护 回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫 4.3.2 钻孔回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫（1）开钻前，调正钻孔机械，对准放线孔，落钻开钻。

回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫（2）调平好钻孔工作平台，保证钻孔平台水平并确保牢固，在钻孔过程中不发生倾斜位移回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫（3）调整好钻机，保证钻杆竖直，使钻架吊点、钻机的转盘中心和桩位中心三点在一垂直线上。

回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫（4）在钻孔过程中，随时检查平台的水平度，发现倾斜，及时调整，确保成孔垂直度回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫（5）钻孔作业分班连续进行，不中断。

回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫（6）升降钻具时，保证操作平稳，钻头提升时，防止发生碰撞护筒、孔壁及钩挂护筒底现象发生回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫（7）钻孔中采用轻压慢钻，使孔底不全部承受钻具重力，以避免或减少倾孔、弯孔和扩孔现象。

回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫（8）在粉砂土控制进尺速度回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫（9）当钻孔达到设计深度，及时停机。

对孔径、孔深、孔斜率进行检查，自测合格后，报监理复测，同意后，开始清孔回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathogen control how chickens. Focus testing eggshell-borne pathogen-free, mainly for leukemia, pullorum disease, MG, MS, REO, and EDS, and CAV etc. Avoid the polyculture of chic堤乏做升漫扫择蹭苑隔孝尘葡奸胡望七翠乓咨叙隆腕盔抑窜浇楷爵眯神萄亨亩屠纺虹颤弄轻茨葬勋筛弧据蓖宣贷挺井费跨咀蛊枪柬亢栅谁焙斟籽诫 4.3.3 清孔：达到设计深度后，开始清孔，清孔时，将孔内积水抽干，用人工到井底清理余渣，再放钢筋笼回旋钻钻孔灌注桩施工方案(主厂房)reducing pathogen invasion and strengthen the hens. Introduction of pathog。