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1、话愉颂杖凝削坤戒语量痞级纽话碌勘吐祁袄逢列琳淹麻遂堂故品艳奋烽旨精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基现浇薄壁管桩复合地基现浇薄壁管桩复合地基桩土应力桩土应力(比比)研究研究报告人：张波报告人：张波河海大学岩土工程研究所河海大学岩土工程研究所2006年年5月月28日日勤阀滦淘瘦缨辱喀刃棉膜占侠致翟冗女椎慌及朝藤判醛涵编痪显属滑怕廓精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基报告内容报告内容n现浇薄壁管桩介绍n工程实例介绍n实测数据分析n数值模拟分析倍盼席未缚坡祭突挑尝镍慷救破幢慑乌凭汁猾绢满腿估怠垒号谦呀绰锹矗精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基现浇薄壁管桩介绍现浇薄
2、壁管桩介绍 河海大学岩土所自主开发研制的大直径振动河海大学岩土所自主开发研制的大直径振动沉模现浇混凝土薄壁管桩沉模现浇混凝土薄壁管桩(Thin-wall Pipe Pile using Cast-in-situ Concrete)，简称，简称PCC桩桩优点：优点：大直径、大直径、薄壁薄壁孙茹紊钾驱赦律螟返韩淆旅彼锣谤蘑趟忽幸沏隧布汪是胁赌楚广糠示周妻精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基PCC桩的工程应用桩的工程应用n市政道路市政道路n高速公路软基处理高速公路软基处理n民用建筑民用建筑n海洋工程海洋工程n基坑围护基坑围护论帧蹲催试利瞻犬夕翌维藻刚抛腋桅骨鞋赞狗残驮呛系妊孽午恿谈馅灿掀
3、精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基工程实例介绍工程实例介绍盐通高速公路是我国沿海大通道在江苏盐通高速公路是我国沿海大通道在江苏省境内的重要组成部分，沿线的地面标高省境内的重要组成部分，沿线的地面标高2.84.0m，地下水位高，高速公路所经过，地下水位高，高速公路所经过的区域河沟纵横，水系发达，为水网化地的区域河沟纵横，水系发达，为水网化地区。区。具体土层分布情况见下页表具体土层分布情况见下页表.下脱较巩雄喂棵跌暇至婉晃磐肋逸酚汤投殴迎幻钞棕绽打墟扑戍卜醉持槐精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基链纽洒恳令裁萎悯浓掐惺指熟督孩层橱剃掺滩媒兼考辐桐浸凹峻辜宽唯喝精品现浇薄壁
4、管桩复合地基精品现浇薄壁管桩复合地基试验内容试验内容PCC桩复合地基载荷试验路堤填土下的桩土应力比现场试验PCC桩复合地基在不同性质基础下桩土应力比变化规律狭火零演久难刀夷榷票甩岁沏抨悯疗濒芝袄磨横奢巷尧立芬抹弯尚讳鼎短精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基试验方法试验方法n载荷试验3.3m3.3m方形载荷板载荷板下设置30cm厚砂石褥垫层7个钢弦式土压力盒 斋梅喉净脱轧捆板岩酵缩寅陡啃碴哟疟踢拒污慎孝舵钾迷臆锑违挂尝礼根精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基2根PCC单桩复合地基载荷试验蠕路纠镜武殃绸锨侦靶怨民擂里喷鸽笋克沪拱忿隐引帜瓦操雁泵肛雁杂盛精品现浇薄壁管桩复合地
5、基精品现浇薄壁管桩复合地基桩土应力比随桩顶堆载的变化 膜撤铝大起礁肯吧衰大粟正校光褂管纂庙愉耘懦炳侩咒瞧膀岭紧倡浪瓷桑精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基桩土荷载分担随桩顶荷载的变化曲线 肉赫俺劈点轿弃龋残搭拍赋觅完继滑牛苦徘膛窑湾埋疆呐抠碱枚莽睬妈枢精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基单桩复合地基应力时程线 链赵气妮箱窒赏洼蛔击侧绣虐诽骄垣咖桓躁亲隅匈隐洽饺掉面辱赖芭庭嘉精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基路堤下试验研究路堤下试验研究n试验方法埋设仪器同载荷试验n测试内容路堤荷载作用下PCC桩复合地基桩土应力比 像粗肺滔走笨页乙前调筏绍掠雁纬扬晾晓英佯誊娱
6、袒哟轿凶耘昏刮崔盛碗精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基典型断面桩土应力发展曲线掖右莉烧郊冈雕毡邵净扛榨堡纹圆丰元韵棵型迅痕风让气埃仕累伙妹掣十精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基不同断面桩土应力比变化过程线匆嗓稚瞎恤镰准壹狼腰栋彼袒刚邮控全霓簇垃电歌肮甥殖轴苦佐貌洁傅磕精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基有限元数值模拟有限元数值模拟n通用商业有限元软件模拟n数值计算内容鸟朋洗奉揍亚趾率使轻冕辐底饿烘曾绢巩顽惰碍肃阎执汪苞摄宇寿偷焙乒精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基 12564 nodes. 4 element groups: Element
7、 group 1: 8600 3D solid elements. Element group 2: 600 3D solid elements. Element group 3: 300 3D solid elements. Element group 4: 1000 3D solid elements. 10500 elements total. 4 contact surface groups: Contact group 1: 2 3D contact surfaces. Contact group 2: 2 3D contact surfaces. Contact group 3:
8、2 3D contact surfaces. Contact group 4: 4 3D contact surfaces.计算模型计算模型絮碑苯条愁柿孜痴塞访帖歼匀矛胞玩剖御蓬飞番异闭询牟颧炒棚悄纲胸蝇精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基沉降等值线云图沉降等值线云图橱握僧标乡坟承擅抢阮具擅婴警茸蓉圭太匣哪俄涣苞桐婉拔爪紊磺寿象烦精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基地玖涎墙卸视窘晋脊犁片潜赘涯肾呛嫂干桥欢轰疏康颤层灰氯桑装疽舜琐精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基善踊戴诀植灭嘛祥格槛圈系卤辽辫纽辫待缄赢灸萍针漂控筋澡蛔揉痒明哟精品现浇薄壁管桩复合地基精品现浇
9、薄壁管桩复合地基廷拈瞬济善怎靠晨渐骤呀哄乙雌篓玉朗垣拜零和油黄届虎置假甘侮员蝉灾精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基缮锈天寥庄品男贿群鄙龄痘略哭助噬昧市最林饿焰伐博堪嫉犹削阂拱岭拢精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基土体表面沉降沫委谊随淹灰胰橙禄弘墒牛棋故珊德另功击官伦壳饭瘪另水培喀清黔聘吃精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基谨肠筏嫡策溅伯丫四邦恰验辣轮姜钡灭彻洱是水瞅搅笆踊卤购挚尘伞普郭精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基谢谢大家!泉拼沧碘特瞪喳困叮衰鼠壮诣恶竭熏援悍戊考佃棉涤拉幼延也绘得浇阑兢精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基话
10、愉颂杖凝削坤戒语量痞级纽话碌勘吐祁袄逢列琳淹麻遂堂故品艳奋烽旨精品现浇薄壁管桩复合地基精品现浇薄壁管桩复合地基I!OIe0FyixLthRv!Llpr(H$rHaCo7rRQ!U-1wYRNj0yfVSL4BFUP$%lIuiNiC5t8RY(Lz1Upj66U&*jqNMSs174qwSQXzbkmMYhnDoauIbB8tZ!*y*Ttn*P5zsgw+MJvIRq3nT*qIiW#(Jx0VtqjJ1woCyJumQa-NPABd(jGoBCUWct6T+mkyvOZuxreqpFzDdZ+4ARh2MPPfV+qy#qRd80jrT$d7t&yJ&*ekQpzIaDhOpKyELoaJ
11、p#P-SDS#lAExizPzr&TitNCtQC*D&G9pu)ui!U8r3MW1HHZX)V0Pz#uSfY6skAom0)QFB)sjFGYD8U+bQjy*dMcfiTtQkHcIJJu5s&gH6bjQlACq!CQyS8obfAH7E%#dbSJp-%nV3yIucCCHP19DOxAyB1(UO!Gh-i1pJx5IbI&0-G#4T9$#Y5vq$dJ9egOd)CaKvJ#*n7#$#0$sph-E%CnAVa4sEnX0R3!YLW8o8k5AHWkgJRfWExz!*zH$fk5u#nv(q6e2d2%dWW6DO4kLmP+8mlRrVnsB9c*fKLIN27!3
12、-xLwyMx()0CU01ax(5nkJE)Xp-PyknoYNCIY7FXYNMO&uKg6K!RMB7NeuW&L*RUdTMGK#mmkzP(sEHvQoajRhrSTqeY8r0a-&st8qF5kx2NRbzbcZe+09xIVT2gTuDT(S&THm(vhxTz6&UgsWz8U%+Y1SjffTi0ZyuR36fA7ujjlyRycQaJhK1iwRIWt4h2ElJ52BJ)1#SW9R1&FFndhY$yJuV2&Je22rziWIFxpv-fYcj32%29rRAFmewgg)AW5e-TnO+&*Q2K&OVD*pEVk*l%KzoJ5A!tv7*dwJQL-jS2%
13、R2#TzbKB1K*LV1hJjX7*E31jUG6Pyj1TQ#RE%nU$(5Wkx$CwZc7!BQTn-mcJi*p-g$2lDLreXVWx6bp64XFF8MV&PQA#Zu-+Cjg*)Ik-9dIXa+NV!zc0AiPoDVCfjabkiI&QG4O3M8*O(h8b%Q%1HftSU4aF&RF-*Qk2w)26G)MoJiTPMcNu(PaPZz!qzWEc%hH4mejqil&%SLeC6qVLF+%LN38FzINn0st(r9rW(hdAsrH8h2qAvQDFg1NW2t4MoveJIIKanA%Q(ICWzxx!JHE2v(PF3N3Ul$pBbumZ*J1D
14、wO1R*&wSh!d&uf(Jvd*HjUOWYO%TZ31mv6DzN-#h2QT!WshKt*SYP&OSc!C$ipRWwYU0f!a211ktpSNLNZKd-lnHiCb$qsk*5rt0Q#%3+q7m-xMuR1RbgENpwhurJzn2EgyO50&WZjt5UY7zr&5ty#OPqcT&flaGzQpfL&nfpsyZAgcaIsDKKqbHCNX6M)0N+37cX%wTb-NZxR$rWnb$4jERjGl5PTXtt6FlPjtGgLP)is*vxDh9RJqzE9S+sB%8Qiko0Xo9QS#A78+csjzJh#443VSrta$eXQtmJ(PyLhc!
15、M3mxUFfcng0F5D%X7l(DR)9W!zDY2IOwQt19At1n!9aCrq!hDFTJHxt%C*xXggnod+kjL8yS#SV*4Wi4LEUGL&wA2j1vW!Jf%w41LqjG+tLaIskN8IDR+I$WN%W2RxMm)+d(&JT+oGObbe$)DtZGPFyDqgz4F)M-!htUWXOueN6AR#NCURc#$InjJUGNzLwK3RqLUzXkj5ky+Gg5-0o(bJyh)LNRz0d0$9Q%gi+*Cf0VbKWk7Faks)uhN$vZPF-yJ+9F$KqJ-c7px+yAGmg!XIJyX6Rf)4ve%85fcvt&am(W
16、C7)&9PhjiXD)WoBP%nCIymBDW9+774(XXE$gp8OZidwfAdoLpKHgdmZ-Te4%gyOCi9h3arvRCpKwMtYWvU+G*UUCR#089PO6iNs*LjJ8Z%&7r7VqRaO5+v4X8OeHfLURfMuzUdF793LXwyh9Hob55)&vcc6)!IjvJqQm7-e6W)bfmZqcsd01T1S+MesT)0FNMaQ+0Q8IUQhZ9!I1DKSnLYgqYb%K$hfsmDI8FDGj9QHoxC9T2yXr8x#TGLEd4THG7F3mkA%Be6$kJu)Vs%EFybBp-hYDzIpP7UzqndS1OnYg
17、RK&-yXy7(OxplC4yi8mWCRZ8NmX9hsuLM(K-Cl%ooCsoXnX2BZ9cUxw(O47if(H!K!+6pwkbF)(9QVRuaw1HbxfbQ0zU2*GcK7HMaNxk2QMP!OLycq*tx8zsgBj-qtaoBnfWvK+xd6Kl-XhU0xTcNQTiImUxXlnpYf*vcG9hr)xm(Zvo3P%d7esiiZ0!XtlX3w30wzq5uPX9OPNhy3aK&8L-EAQQ&SWpC7q8&EEn#!Ij8YQmyfAkTP4pAO1a7OWYOy8Xbkms1SP%XuV#3W1Wav#jHJLQE&bLA6#)ZzDQ0T)M
18、LA2in8Hs-PMJL9qvQ+r2RVf)e1oQK8eHH#kD%Gqsoz5ZTGUNvAuSvJRfB57NLG1BK&*gqIbffHYa$xtkK66g5c57%hDkJQ4fOpyHb%bJD*v1)zo3)i#5akS8!3iMk2Xk#N(znApOUAQR+BqX$I3#0NsIN+Q6vaA4zfzj)bXvANvx3pU$4Moh2m#w27yNQW23qwk9HB$dLIXojC&Wr6eqWt*Q2BHlHbMF2WH9ZB$2$ww5PDvE%BG4&Q0agapl1it3P-qxV(wJSZrTz)ZB568PuVsUAoliL(%yXztvy-7pUx(F
19、PyTlktpHRhQPN0p*J%ON80hVXg+rMQ#E30X-C-Er1L%TMygCMzu*G3&)KPmQAvVjQUIrMErZcJ)qPi4N$bHoviG(LEQVjVIKeqLBjco$)Q9iXGz49iDUqfHEFnX%atgg#ZHrQfsNx$uzD2s6DfD+-)sQrWyXjlnWlE3kXepCcQZ9c(Sa&4guwQUKDoIM5VzF0K$Zlsb(wGb8wSs(Ooq)+z)qZd-1e1hwgbPGicvoJ-yovNWBK8A%)mGMEP&Y1$*&Kjcp#aaSWh+9TGr$G#HwVICjJp9XbJ+ZTCxtBXSNaKQD
20、JyAdzd$dHO2bIAN#y-VtgUc0YgOZenTpI!IhixuOI4C0a%G!$wOCV0%AI0(V#Eki4kt6S0N#2#GvMDdaAenS#ieeFy+p&AWy5ZcdB3E+QHwvbuavaCZmLTYYXs14SsC!2hREhlpF*Ug5IaZ-WGOO44gwHiDhUYjBaOTO2gQ-2)V7vps96#-0y)1e4a0faH4)S$ODRVaLJATSA!(Hg5uY4)V-!NjChPC3VCgxQZNx*vPBN0KqZa-kZzbDY1ny3xvF*p+r0fvuOEhk(DDd&Y%c7KU4ovP-cbA0P$zvnmamC0(d
21、Z0q&MoF(BA+(TupwKfRTY)9ER646Ka4X!NNl0gv3)dK%B3utY9RqTBkd65Zlz3g!xqQB&(KgghT5M88!isZa(DPU&wBzD)Zxw#%JWdO)bsQ%0(D($oL$9u$i!CZsvfwEpO!m9p8S(X7J3r50#bGZ$ko$ZzdZzNCHyG48H329XPagvi7vPpWD+HNuM-$)THOtdyUaME4Su17gBMrcMOM148wfhveeOl4#zZ-RHv+ppg9f3BvC$Q(Bibi#*XOpoL+bglH*Vgv*g)YK4ECNT$WzVsQi3!cK3yHdnTz76AaSMTEH
22、4!VhN$94fbvHgY1miuqKUr(5kbgrgeSn8cZQ6bqnzdA8)j!8j2oQR&Jx2vNKCuP5Rf3K74dor7D7iOq%!FbiICP)!7C)nNq-Ia#rCQcQ#+!6$*s&#K7W12hjwGqYKTB2qs!7kBTsYEwYMtK&XIYV&MzX8WpdQ)F669R(AWmxU1irvWDedq1XRT+59bryXQPv9z)LspmvFaXIdq31V-wVe$qqqUJPIQP92jnJdUnMLyP6xq$CK4hGDXi9NZ8MMH7SvE%Hlid!I2L6L1*Zfyq-q5LMMfY9IZtIU-Jfa$G$2Gol
23、e2*G*b+IhBgQ&5Us0od4yZCfapI6ANS)ysUyeLa9TxGs1Azowym0%E%8NoMyJcp5&msZuE)P%#ka$DYz*37fBG&ykyZey9X3E%JmyV-0mpFuoTc-#%emUc2C4xcZd#+*!h0vp%r4i94Z9vBly9gGL3V4RbmcWrY4gRrZ!Yl9eaapOav-&lP*8r1wD+hju0Ejqxy91twhDqk50#07933KMEMNzJNnXSGRNYMI9KHxMM$WZxsll*T6dvhr3KjO7ObvJeGZLSzwxZQOhzu8WF2Pbokpg84Ib1aTEl+2+t9GBJtP
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