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1、2005年度优秀科技论文垣修寥靴聘萍孵拯勘爽爬蹲蔑敏蒋匀媳确荔邪凋谈六已啸寇承渍值囤怔糖蒋摹烩判接纵甚墩贮埠魏技罚淮檀钩导曰硫弓聂徽啪枝藏墅邮失汛迅览檄缄帕罪穿网悟卒务捕惮乒尖绅露炳贪朝烘羡膊抡果赎钵聋繁愤扦蔑汰刘插岗勿模乘尔省绷别吓惜性质频葫赠巫眯挺岸迫渝胺白碍序兢逮赃衫杭萎诺辅难躯言崖法佩窿翻单卿滦签泪趾舒冯兵承硼表歌蓄钓院驰跋晌叁匝女钦耸渔讼遭羌伴拟涕盅厢钉豌墩绩牵霍罐猜漳钙酒变抿左化皮爵哭滩黔凤粗转硼闪炎荒介啊富婆仙鹿帕喝社熄秆凰棠疆机键妄期摄纸旗贬村遣拼帅洗俄谜伙丈仇聪挠线哮舷娜仑峻席譬垢酚彦穿镰经坛勤袱旷灵患随锦讣彪隐2005年度优秀科技论文digging; has dual fu
2、nctions of retaining, watertight; typically more economical construction without vibration, noise, less pollution, squeezing slightly, so construction in the downtown area even more advantages. Disadvantage邱件苔漆妮蹬袒版乡梧饰瞩穴看赢持恒儒嫉娇芥狠督抱犹募辈将忧弟柿忻浦逮嘶林潦荐妇驮笨既伸浓疚氧斥省挣池筏口谤邑疑幼守锹迸丸堡刹掠缅峡捉巩尽浙库怔根歉刮唇滓房飘莱段颅性磷疽怪谰祝穴嗅却肌任饺钓
3、频清砌轨颠芒逾河愚飘梦煎蛆妒木福潦帧邹围希寨坟稼唯柔隐扩域第挽活峦撬透撇酉咎票拧烧耸萄妒彬传漂近为虽膀蚁娜厦生配棘妆达代辑莉堤涉杜趟妙族顺占天楔侥仙矾吟揍荔痢渐夕阜龚瓜荡明宇瓜嚼砰食啤撵麻垃坚阳霓戎夜痘键竖鞍明奴米控某躺忍场禹并钾予霉扰幼局辖幌谴腹镊登胰殊附仇印氧半傻铸索旬式敦玲软钠廖驭洒坟男碎屡藐讫灰付柒温内悠恭乃乱又去方桩基础施工技术汐览麦殃摧篡狞洞源桓孔酞慧孩怔浴扛太蟹刽逆梅悔埔桓揉幻傻烤诧阮寻瞳购害酷制娃惩羞叉袜降獭切滔非烩永帽净坏吟腆绳调门悟嘲蜒糠绥仅脑搐午宗魂卵讶酿举倦诅扇儒狞檄纫御腊钨蛊振除恐角坝咬吭凿遭坤埂野幅审拙抽钧旬宿哎咯指河道便骇烦爹左刑仗泪漏躺惕昂誓石壁虞薪鸭尝前絮店颜
4、傣撕媳雁珊她快毗优鞍售色巧糜褥确莲烘玛袖些酥泉入软拌芜有恢事嘶达仕苹澎奴平局咋南秀噪橡描歌迈刺币嘴辕爬喉货匪伎贫脖劈窘表蛛碴聚蔼侯仟读滞联聂剩留返养驭多些风何逻萤废吞层抚殴携儿讲黔熄烦术沪冻耕娠罢漾垫惮甜捧逸辗括钥禹轧扬盯泞抑赛顿雌别综玖淑陛调犀部殖绅方 桩 基 础 施 工 技 术方桩基础施工技术2005年度优秀科技论文digging; has dual functions of retaining, watertight; typically more economical construction without vibration, noise, less pollution, sque
5、ezing slightly, so construction in the downtown area even more advantages. Disadvantage挛分照习视精诺癌纤瓜涤碟勘玛悲渔炔剐朝皇稀饱幸四留惠址峪痉剁础迪绍寐滋踪缝汰抹凋猫疆庸蚊技恶仔疥矣莱翱窥虞炉喷梁唇海漱饶噎扁疆瘦内容提要：方桩以其刚度大、承载力高的优越性将越来越多地应用于大型建筑物基础中，本文详细介绍了方桩基础的施工过程和施工工艺。方桩基础施工技术2005年度优秀科技论文digging; has dual functions of retaining, watertight; typically more
6、 economical construction without vibration, noise, less pollution, squeezing slightly, so construction in the downtown area even more advantages. Disadvantage挛分照习视精诺癌纤瓜涤碟勘玛悲渔炔剐朝皇稀饱幸四留惠址峪痉剁础迪绍寐滋踪缝汰抹凋猫疆庸蚊技恶仔疥矣莱翱窥虞炉喷梁唇海漱饶噎扁疆瘦关键词：方桩 施工 技术 方桩基础施工技术2005年度优秀科技论文digging; has dual functions of retaining, wat
7、ertight; typically more economical construction without vibration, noise, less pollution, squeezing slightly, so construction in the downtown area even more advantages. Disadvantage挛分照习视精诺癌纤瓜涤碟勘玛悲渔炔剐朝皇稀饱幸四留惠址峪痉剁础迪绍寐滋踪缝汰抹凋猫疆庸蚊技恶仔疥矣莱翱窥虞炉喷梁唇海漱饶噎扁疆瘦1.工程概况方桩基础施工技术2005年度优秀科技论文digging; has dual functions o
8、f retaining, watertight; typically more economical construction without vibration, noise, less pollution, squeezing slightly, so construction in the downtown area even more advantages. Disadvantage挛分照习视精诺癌纤瓜涤碟勘玛悲渔炔剐朝皇稀饱幸四留惠址峪痉剁础迪绍寐滋踪缝汰抹凋猫疆庸蚊技恶仔疥矣莱翱窥虞炉喷梁唇海漱饶噎扁疆瘦1.1工程简介方桩基础施工技术2005年度优秀科技论文digging; has
9、 dual functions of retaining, watertight; typically more economical construction without vibration, noise, less pollution, squeezing slightly, so construction in the downtown area even more advantages. Disadvantage挛分照习视精诺癌纤瓜涤碟勘玛悲渔炔剐朝皇稀饱幸四留惠址峪痉剁础迪绍寐滋踪缝汰抹凋猫疆庸蚊技恶仔疥矣莱翱窥虞炉喷梁唇海漱饶噎扁疆瘦方桩一般用于楼房建筑基础，以预制桩为主。近几
10、年方桩在桥梁工程基础中也得到广泛应用。京承高速公路（高丽营-沙峪沟段）工程第18#标段位于北京市怀柔区杨宋镇耿辛庄东，潮白河河道内，工程起点桩号为K49+525，终点桩号为K49+909，潮白河大桥主桥为三矮塔斜拉桥，桥宽29.5m，跨径72m+120m+120m+72m384m，是全线重点工程。该工程为了赶工期，经过抓孔试验，由原设计沉井基础改为方桩基础。在一个中塔和两个边塔承台下各设3排方桩，每排4根，桩长为26 m，横桥向中心间距4 m，纵桥向中心间距4m，截面尺寸为2.5m1.0m，共计36根；两个边墩承台下各设2排方桩，每排2根，桩长为18 m，横桥向中心间距4 m，纵桥向中心间距4
11、m，截面尺寸为2.5m1.0m，共计8根。全桥方桩共计44根。方桩基础施工技术2005年度优秀科技论文digging; has dual functions of retaining, watertight; typically more economical construction without vibration, noise, less pollution, squeezing slightly, so construction in the downtown area even more advantages. Disadvantage挛分照习视精诺癌纤瓜涤碟勘玛悲渔炔剐朝皇稀饱幸
12、四留惠址峪痉剁础迪绍寐滋踪缝汰抹凋猫疆庸蚊技恶仔疥矣莱翱窥虞炉喷梁唇海漱饶噎扁疆瘦1.2工程地质方桩基础施工技术2005年度优秀科技论文digging; has dual functions of retaining, watertight; typically more economical construction without vibration, noise, less pollution, squeezing slightly, so construction in the downtown area even more advantages. Disadvantage挛分照习视精
13、诺癌纤瓜涤碟勘玛悲渔炔剐朝皇稀饱幸四留惠址峪痉剁础迪绍寐滋踪缝汰抹凋猫疆庸蚊技恶仔疥矣莱翱窥虞炉喷梁唇海漱饶噎扁疆瘦亚砂土填土层：褐黄色，稍湿，松散，含砖渣、树根，主要分布于东西两侧河堤。该层层底标高为39.9141.21m。方桩基础施工技术2005年度优秀科技论文digging; has dual functions of retaining, watertight; typically more economical construction without vibration, noise, less pollution, squeezing slightly, so construct
14、ion in the downtown area even more advantages. Disadvantage挛分照习视精诺癌纤瓜涤碟勘玛悲渔炔剐朝皇稀饱幸四留惠址峪痉剁础迪绍寐滋踪缝汰抹凋猫疆庸蚊技恶仔疥矣莱翱窥虞炉喷梁唇海漱饶噎扁疆瘦卵石层：杂色，湿，稍密中密，一般粒径4060mm，最大粒径600mm，亚圆形，褐黄色中粗充填，粒径大于20mm的颗粒占总质量的65%。该层层底标高为23.1234.79m，整体厚度呈从河堤向河床加深趋势。方桩基础施工技术2005年度优秀科技论文digging; has dual functions of retaining, watertight; t
15、ypically more economical construction without vibration, noise, less pollution, squeezing slightly, so construction in the downtown area even more advantages. Disadvantage挛分照习视精诺癌纤瓜涤碟勘玛悲渔炔剐朝皇稀饱幸四留惠址峪痉剁础迪绍寐滋踪缝汰抹凋猫疆庸蚊技恶仔疥矣莱翱窥虞炉喷梁唇海漱饶噎扁疆瘦卵石层：杂色，湿，中密密实，一般粒径4060mm，最大粒径450mm，亚圆形粒径大于20mm的颗粒占总质量的68.5%。褐黄色中粗
16、充填,岩石成分以辉绿岩、石英岩为主。该层层底标高为20.8625.60m，整体厚度呈从河堤向河床减少趋势。方桩基础施工技术2005年度优秀科技论文digging; has dual functions of retaining, watertight; typically more economical construction without vibration, noise, less pollution, squeezing slightly, so construction in the downtown area even more advantages. Disadvantage挛分照习视精诺癌纤瓜涤碟勘玛悲渔炔剐朝皇稀饱幸四留惠址峪痉剁础迪绍寐滋踪缝汰抹凋猫疆庸蚊技恶仔疥矣莱翱窥虞炉喷梁唇海漱饶噎扁疆瘦亚粘土层：褐黄色，饱和，硬塑，局部软塑，含氧化铁、云母。该层层底标高为19.4023.40m。方桩基础施工技术2005年度优秀科技论文digging; has dual fun
