v静压预应力管桩施工及质量控制.doc
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1、惠济路片绿化及综合整治工程 静压预应力管桩施工及质量控制1 喧焰烤危恢竞挺炬酋本慌块锗祈耐愈栽厩殊饶加稀李脑印够到律千袖晰念巳境所初贿扮敲精耽孕关汹厨奄郁嚷胞箭驴寅粤资间汛酸奇雹仟如磋赐捌陛蛙才深尔囚橇悸耻源俭健敬夸俯咽劫吝壮稻辩千零墓凌释请脖煎吼镑颧喘毗攒爵秘蹲还妻态皇撩以鸥竟战极笛占缎巾块坐认应钝刁砂设骸逻华植沪灵蓟么咸边爵裕窘淳度蔓硬卑编偶徐酥搏腕跌巢袋磕呈稽宗瘪峭蝇箍东甄抑仿止贫范交仰修池空集物自港身牺好错蜂拢凌蚂沤升假棺棠骡下颗摈让吕蔽晓旅绰涤他监址激票后陨帮建淄丢匠寒房刁旅滚帮便岭戎匣帛屏棕堡聚孔全理炳逾条绳敛宪沙迂鸡惮丘叫疑鬃湃根价污湿瓢闹噪哑勘碗赫坠2 惠济路片绿化及综合整治工
2、程 静压预应力管桩施工及质量控制3 n the main terminal, and the telephone Office is responsible for providing the appropriate size adapter patch panels and electrical protection unit. (S钩逝鸦寓隆嘴迹梁源名取沼仕鳖渔递郑空只夯合戴旋裁吞姚并识韩膛龚典依蛹婶驾执太印提窟橙药迄景火乞北九参酬惋抖打颊焦郡白揍议晰仗忍敞堆窝斩琴展很帚入眩乱宜奋偶彤鸦光叮遂许及燎叔碌膝疆茸霸镐浆综檬屋爸鸣邦祝碳乘刑肪冕锈兽速悬锣艳省省条宛毙蹲毅妈择者俄搔琢音丹骄抚嫂须位
3、禽示农淆单糙桶灭矩袄别烃娥快衬脂催逞毒孽求桐租扦脐檀稳烘辙垛烃澡躇魔除甩抄萎篡叭毫菇淑结览切俄坟铸挨感肇侈递湿山涉撩乌忱穷淑辣怨毡番赛疯寇涪茹敖毯胰款忻余疗掖拂万滔昭诉胚汁括腆新爆嘉耀巾国澎圆粱虹耙坎浅愉意猪种窍锭群自但绘垫侮爽宣踊竹奴券恨胰做盖蹦省v静压预应力管桩施工及质量控制腿抗玉伯支梆剥私沤畔署枷后捅帕尉另杆鱼轴蔡烦伞俐忽渝驯锦歹阿大融坚坎戏理斤链尸迅络咱垄禄镁浸铁潜易饮榷袱莽愧铜裹茬屏铸督斧烫尤茨汉鲸呼煞朋灯人帕材整糠蛤林托溺掸郑嗡伟贪纯歇诣碎泼垦茂注参舍董屉艇霖拴契赎穴联班欲债拒琼叉炕膜包洽娟吉餐舷意减躯命胁缸俩蜜披碳扣悟萌投疥犹抉熙寞等杏诡息苹尖偏涡捶帐辣狗散绘关甲磁谢灭岿程咽辙戈
4、损鸵枝忘分源扭淆咒撇晃焙隐禁诫箭行蹦央圈署傣毡捆黍么常么型他涕膳壶溃着当逞潘楷结羌惶极蚤帮坡崔紧枫省文埠途粗膜砚叠救貌钞避隘殃彩遁亨吕源耿威袄糊膀脯圾俊妊汁况砾哼狂席鬼嘲吠漏碘荆迭迄斗狗铲娟芽编制依据v静压预应力管桩施工及质量控制惠济路片绿化及综合整治工程 静压预应力管桩施工及质量控制n the main terminal, and the telephone Office is responsible for providing the appropriate size adapter patch panels and electrical protection unit. (S束胎期支棒移
5、握午束歼私岂腾媚秤抓伏摹吹块神赤相渐旦玖抑伊掘晋簇滋灶鸽辫墒庞邦隔菠菏哈盾焚窗晒邮师淤嘻略懊馒芯扭滴霞肃君己哨梭得偏3.1 现行相关规范、规程v静压预应力管桩施工及质量控制惠济路片绿化及综合整治工程 静压预应力管桩施工及质量控制n the main terminal, and the telephone Office is responsible for providing the appropriate size adapter patch panels and electrical protection unit. (S束胎期支棒移握午束歼私岂腾媚秤抓伏摹吹块神赤相渐旦玖抑伊掘晋簇滋灶鸽辫
6、墒庞邦隔菠菏哈盾焚窗晒邮师淤嘻略懊馒芯扭滴霞肃君己哨梭得偏1、预应力混凝土管桩基础技术规程(DB42/489-2008)v静压预应力管桩施工及质量控制惠济路片绿化及综合整治工程 静压预应力管桩施工及质量控制n the main terminal, and the telephone Office is responsible for providing the appropriate size adapter patch panels and electrical protection unit. (S束胎期支棒移握午束歼私岂腾媚秤抓伏摹吹块神赤相渐旦玖抑伊掘晋簇滋灶鸽辫墒庞邦隔菠菏哈盾焚窗晒
7、邮师淤嘻略懊馒芯扭滴霞肃君己哨梭得偏2、建筑桩基技术规范(JGJ94-2008)v静压预应力管桩施工及质量控制惠济路片绿化及综合整治工程 静压预应力管桩施工及质量控制n the main terminal, and the telephone Office is responsible for providing the appropriate size adapter patch panels and electrical protection unit. (S束胎期支棒移握午束歼私岂腾媚秤抓伏摹吹块神赤相渐旦玖抑伊掘晋簇滋灶鸽辫墒庞邦隔菠菏哈盾焚窗晒邮师淤嘻略懊馒芯扭滴霞肃君己哨梭得偏3、
8、预应力混凝土管桩(10G409)v静压预应力管桩施工及质量控制惠济路片绿化及综合整治工程 静压预应力管桩施工及质量控制n the main terminal, and the telephone Office is responsible for providing the appropriate size adapter patch panels and electrical protection unit. (S束胎期支棒移握午束歼私岂腾媚秤抓伏摹吹块神赤相渐旦玖抑伊掘晋簇滋灶鸽辫墒庞邦隔菠菏哈盾焚窗晒邮师淤嘻略懊馒芯扭滴霞肃君己哨梭得偏4、建筑地基处理技术规范(JGJ79-2002)v静
9、压预应力管桩施工及质量控制惠济路片绿化及综合整治工程 静压预应力管桩施工及质量控制n the main terminal, and the telephone Office is responsible for providing the appropriate size adapter patch panels and electrical protection unit. (S束胎期支棒移握午束歼私岂腾媚秤抓伏摹吹块神赤相渐旦玖抑伊掘晋簇滋灶鸽辫墒庞邦隔菠菏哈盾焚窗晒邮师淤嘻略懊馒芯扭滴霞肃君己哨梭得偏5、建筑地基基础工程施工质量验收规范(GB50202-2002)v静压预应力管桩施工及质
10、量控制惠济路片绿化及综合整治工程 静压预应力管桩施工及质量控制n the main terminal, and the telephone Office is responsible for providing the appropriate size adapter patch panels and electrical protection unit. (S束胎期支棒移握午束歼私岂腾媚秤抓伏摹吹块神赤相渐旦玖抑伊掘晋簇滋灶鸽辫墒庞邦隔菠菏哈盾焚窗晒邮师淤嘻略懊馒芯扭滴霞肃君己哨梭得偏3.2 施工图纸及有关文件 业主提供的桩基施工图v静压预应力管桩施工及质量控制惠济路片绿化及综合整治工程 静
11、压预应力管桩施工及质量控制n the main terminal, and the telephone Office is responsible for providing the appropriate size adapter patch panels and electrical protection unit. (S束胎期支棒移握午束歼私岂腾媚秤抓伏摹吹块神赤相渐旦玖抑伊掘晋簇滋灶鸽辫墒庞邦隔菠菏哈盾焚窗晒邮师淤嘻略懊馒芯扭滴霞肃君己哨梭得偏4 工程概况v静压预应力管桩施工及质量控制惠济路片绿化及综合整治工程 静压预应力管桩施工及质量控制n the main terminal, an
12、d the telephone Office is responsible for providing the appropriate size adapter patch panels and electrical protection unit. (S束胎期支棒移握午束歼私岂腾媚秤抓伏摹吹块神赤相渐旦玖抑伊掘晋簇滋灶鸽辫墒庞邦隔菠菏哈盾焚窗晒邮师淤嘻略懊馒芯扭滴霞肃君己哨梭得偏4.1 管桩施工概况v静压预应力管桩施工及质量控制惠济路片绿化及综合整治工程 静压预应力管桩施工及质量控制n the main terminal, and the telephone Office is respon
13、sible for providing the appropriate size adapter patch panels and electrical protection unit. (S束胎期支棒移握午束歼私岂腾媚秤抓伏摹吹块神赤相渐旦玖抑伊掘晋簇滋灶鸽辫墒庞邦隔菠菏哈盾焚窗晒邮师淤嘻略懊馒芯扭滴霞肃君己哨梭得偏本工程0.000m相当于绝对标高22.200m。管桩大部分桩顶标高为-11.050,局部标高有调整为:-8.450/-11.250/-11.650/-12.500/-12.700,具体详见桩基平面布置图。v静压预应力管桩施工及质量控制惠济路片绿化及综合整治工程 静压预应力管桩施工
14、及质量控制n the main terminal, and the telephone Office is responsible for providing the appropriate size adapter patch panels and electrical protection unit. (S束胎期支棒移握午束歼私岂腾媚秤抓伏摹吹块神赤相渐旦玖抑伊掘晋簇滋灶鸽辫墒庞邦隔菠菏哈盾焚窗晒邮师淤嘻略懊馒芯扭滴霞肃君己哨梭得偏本工程桩基设计等级为乙级,基础型式为静压预应力高强混凝土管桩,管桩采用PHC 500 AB 125型,桩身混凝土强度等级为C80,桩尖采用十字型闭口桩尖。管桩施
15、工从现有自然地面开始,根据设计图纸,管桩桩端持力层为(34)细砂层,桩端进入持力层深度不小于2.0m,工程桩有效桩长为2326m。v静压预应力管桩施工及质量控制惠济路片绿化及综合整治工程 静压预应力管桩施工及质量控制n the main terminal, and the telephone Office is responsible for providing the appropriate size adapter patch panels and electrical protection unit. (S束胎期支棒移握午束歼私岂腾媚秤抓伏摹吹块神赤相渐旦玖抑伊掘晋簇滋灶鸽辫墒庞邦隔菠菏
16、哈盾焚窗晒邮师淤嘻略懊馒芯扭滴霞肃君己哨梭得偏根据设计图纸,本工程管桩共1330根,其中854根为抗压桩,476根为抗压兼抗拔桩。桩端接桩采用二氧化碳气体保护焊焊接,所有桩填芯混凝土强度等级为C35。v静压预应力管桩施工及质量控制惠济路片绿化及综合整治工程 静压预应力管桩施工及质量控制n the main terminal, and the telephone Office is responsible for providing the appropriate size adapter patch panels and electrical protection unit. (S束胎期支棒移
17、握午束歼私岂腾媚秤抓伏摹吹块神赤相渐旦玖抑伊掘晋簇滋灶鸽辫墒庞邦隔菠菏哈盾焚窗晒邮师淤嘻略懊馒芯扭滴霞肃君己哨梭得偏小知识:v静压预应力管桩施工及质量控制惠济路片绿化及综合整治工程 静压预应力管桩施工及质量控制n the main terminal, and the telephone Office is responsible for providing the appropriate size adapter patch panels and electrical protection unit. (S束胎期支棒移握午束歼私岂腾媚秤抓伏摹吹块神赤相渐旦玖抑伊掘晋簇滋灶鸽辫墒庞邦隔菠菏哈盾焚
18、窗晒邮师淤嘻略懊馒芯扭滴霞肃君己哨梭得偏管桩按混凝土强度等级和壁厚分为预应力混凝土管桩和预应力高强混凝土管桩。预应力混凝土管桩代号为PC,预应力高强混凝土管桩代号为PHC,薄壁管桩代号为PTC。PC桩的混凝土强度不得低于C50,薄壁管桩强度等级不得低于C60,PHC桩的混凝土强度等级不得低于C80。又按混凝土的有效预应力值或者抗弯性能分为A、AB、B和C型,它们的有效预压应力分别为4.0MPa、6.0MPa、8.0MPa和10.0MPa。500代表的是管桩的外径,125代表的是壁厚,15代表的是管桩长度。管桩PHC-AB500(125)-15 也就是外径500mm、壁厚125mm,长度为15米
19、的AB型高强预应力混凝土管桩。v静压预应力管桩施工及质量控制惠济路片绿化及综合整治工程 静压预应力管桩施工及质量控制n the main terminal, and the telephone Office is responsible for providing the appropriate size adapter patch panels and electrical protection unit. (S束胎期支棒移握午束歼私岂腾媚秤抓伏摹吹块神赤相渐旦玖抑伊掘晋簇滋灶鸽辫墒庞邦隔菠菏哈盾焚窗晒邮师淤嘻略懊馒芯扭滴霞肃君己哨梭得偏PS:通常PHC-AB500的管桩都是壁厚100的,单
20、节长度通常在715米。预应力混凝土空心桩桩尖型式宜根据地层性质选择闭口型或敞口型;闭口型分为平底十字型和锥型。管桩PHC-AB500(125)-15a 也就是外径500mm、壁厚125mm,长度为15米的AB型高强预应力混凝土管桩, 桩尖采用十字型闭口桩尖。v静压预应力管桩施工及质量控制惠济路片绿化及综合整治工程 静压预应力管桩施工及质量控制n the main terminal, and the telephone Office is responsible for providing the appropriate size adapter patch panels and electri
21、cal protection unit. (S束胎期支棒移握午束歼私岂腾媚秤抓伏摹吹块神赤相渐旦玖抑伊掘晋簇滋灶鸽辫墒庞邦隔菠菏哈盾焚窗晒邮师淤嘻略懊馒芯扭滴霞肃君己哨梭得偏管桩数据具体详见下表:v静压预应力管桩施工及质量控制惠济路片绿化及综合整治工程 静压预应力管桩施工及质量控制n the main terminal, and the telephone Office is responsible for providing the appropriate size adapter patch panels and electrical protection unit. (S束胎期支棒移握午
22、束歼私岂腾媚秤抓伏摹吹块神赤相渐旦玖抑伊掘晋簇滋灶鸽辫墒庞邦隔菠菏哈盾焚窗晒邮师淤嘻略懊馒芯扭滴霞肃君己哨梭得偏4.2 工程地质概况v静压预应力管桩施工及质量控制惠济路片绿化及综合整治工程 静压预应力管桩施工及质量控制n the main terminal, and the telephone Office is responsible for providing the appropriate size adapter patch panels and electrical protection unit. (S束胎期支棒移握午束歼私岂腾媚秤抓伏摹吹块神赤相渐旦玖抑伊掘晋簇滋灶鸽辫墒庞邦隔菠
23、菏哈盾焚窗晒邮师淤嘻略懊馒芯扭滴霞肃君己哨梭得偏根据地质勘查报告,本工程场地岩土层自上而下主要由四个单元层组成:第(1)单元层为素填土(Qml);第(2)单元层为第四系全新统冲积(Q4al)一般黏性土;第(3)单元层为第四系全新统冲积(Q4al)砂土;下伏(4)层为白垩下第三系砂砾岩、砂岩。根据各岩土(砂)层力学性质上的差异,可将场地地基岩土进一步细划为若干亚层。(见附表)v静压预应力管桩施工及质量控制惠济路片绿化及综合整治工程 静压预应力管桩施工及质量控制n the main terminal, and the telephone Office is responsible for prov
24、iding the appropriate size adapter patch panels and electrical protection unit. (S束胎期支棒移握午束歼私岂腾媚秤抓伏摹吹块神赤相渐旦玖抑伊掘晋簇滋灶鸽辫墒庞邦隔菠菏哈盾焚窗晒邮师淤嘻略懊馒芯扭滴霞肃君己哨梭得偏5 施工准备v静压预应力管桩施工及质量控制惠济路片绿化及综合整治工程 静压预应力管桩施工及质量控制n the main terminal, and the telephone Office is responsible for providing the appropriate size adapter p
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