刘俊伟等：开口管桩贯入特性的大尺度模型试验 ·277· 置相同时，桩周土地表位移随沉桩深度的增加逐渐 (詹永祥，姚海林，董启朋，等.砂土中开口管桩沉桩过程的 增加且增加的幅度逐渐降低.桩体对桩周土的影响 颗粒流模拟研究.岩土力学，2013,34(1)：283) 与土塞的生成高度相互对应，内30°桩靴桩周土地 [9]Cao Z H,Kong G Q.Liu H L,et al.Model tests on pipe pile penetration by using transparent soils.Chin J Geotech Eng,2014, 表位移量最小：外30°桩靴桩周土地表位移量在开 36(8):1564 口管桩中最大.闭口管桩桩周土地表位移量最大， (曹兆虎，孔纲强，刘汉龙，等.基于透明土的管桩贯入特性 挤土效应最明显.管桩对桩周土的影响范围大约为 模型试验研究.岩土工程学报，2014.36(8)：1564) 5~7倍桩径. [10]Wang J Q,Peng T,Huang L Y,et al.Model test research on soil plug effect of open-ended pipe pile in red clay ground.Ind Construction,2016,46(12):73 参考文献 (王家全，彭泰，黄柳云，等.红黏土地层开口管桩土塞效应 [1]Kishida H,Isemoto N.Behaviour of sand plugs in open-end steel 模型试验研究.工业建筑，2016,46(12)：73) pipe piles//Proceedings of the 9th International Conference on [11]Yang J H.The Analysis of PHC Piple Pile's Soil Compaction Soil Mechanics and Foundation Engineering.Tokyo,1977:601 Effect Dissertation ]Hefei:Hefei University of Technology, [2]Paikowsky S G,Whitman R V.The effects of plugging on pile 2016 performance and design.Can Geotech J,1990,27(4),429 (杨靖晖.预应力混凝土管桩挤土效应研究[学位论文].合 [3]Brucy F,Meunier J,Nauroy J F.Behavior of pile plug in sandy 肥：合肥工业大学，2016) soils during and after driving /Offshore Technology Conference. [12]Paik K H,Lee S R.Behavior of soil plugs in open-ended model Houston,1991:145 piles driven into sands.Mar Georesour Geotechnol,1993,11 [4]Lehane B M,Gavin K G.Base resistance of jacked pipe piles in (4):353 sand.J Geotech Geoenviron Eng.2001,127(6):473 [13]Iskander MG,Olson R E.An axperimental facility to model the [5]Xie Y J.Wang HZ,Zhu HH.Soil plugging effect of PHC pipe behavior of steel pipe piles in sand[R/OL].Offshore Technology pile during driving into soft clay.Rock Soil Mech,2009,30(6): Research Center (1996-03 [2018-04 ]https://otre.tamu. 1671 edu/research/publications/seafloor-engineering-and-characteriza- (谢永健，王怀忠，朱合华.软黏土中PHC管桩打入过程中土 tion/an-experimental-facility-to-model-the-behavior-of-steel-pipe- 塞效应研究.岩土力学，2009,30(6)：1671) piles-in-sand/ [6]Zhou J,Chen X L,Zhou K M,et al.Model test and numerical [14]Choi Y,O'Neill M W.Soil plugging and relaxation in pipe pile simulation of driving process of open-ended jacked pipe piles. during earthquake motion.J Geotech Geoenriron Eng,1997,123 Chin J Rock Mech Eng,2010,29(Suppl 2):3839 (10):975 (周健，陈小亮，周凯敏，等.静压开口管桩沉桩过程模型试 [15]Gavin K G.Lehane B M.The shaft capacity of pipe piles in 验及数值模拟.岩石力学与工程学报，2010,29（增刊2）： sand.Can Geotech J,2003,40(1):36 3839) [16]Yegian M,Wright S G.Lateral soil resistance displacement rela- [7]Zhang Z M,Liu J W,Yu F,et al.Research on plugging effect of tionships for pile fundation in soft clays//Offshore Technology jacked prestressed conerete pipe pile.Rock Soil Mech,2011,32 Conference.Houston,1973:893 (8):2274 [17]Rao S N,Ramakrishna V G S T,Raju G B.Behavior of pile- (张忠苗，刘俊伟，俞峰，等.静压预应力混凝土管桩土塞效 supported dolphins in marine clay under lateral loading. 应试验研究.岩土力学，2011,32(8)：2274) Geotech Eng,1996,122(8):607 [8]Zhan Y X.Yao H L.Dong Q P,et al.Study of process of open- [18]Iskander M.Beharior of Pipe Piles in Sand:Plugging Pore- ended pipe pile driven into sand soil by particle flow simulation. Water Pressure Generation during Installation and Loading.Ber- Rock Soil Mech,2013,34(1):283 lin:Springer-Verlag Berlin Heidelberg,2011刘俊伟等: 开口管桩贯入特性的大尺度模型试验 置相同时,桩周土地表位移随沉桩深度的增加逐渐 增加且增加的幅度逐渐降低. 桩体对桩周土的影响 与土塞的生成高度相互对应,内 30毅桩靴桩周土地 表位移量最小;外 30毅桩靴桩周土地表位移量在开 口管桩中最大. 闭口管桩桩周土地表位移量最大, 挤土效应最明显. 管桩对桩周土的影响范围大约为 5 ~ 7 倍桩径. 参 考 文 献 [1] Kishida H, Isemoto N. Behaviour of sand plugs in open鄄end steel pipe piles / / Proceedings of the 9th International Conference on Soil Mechanics and Foundation Engineering. Tokyo, 1977: 601 [2] Paikowsky S G, Whitman R V. The effects of plugging on pile performance and design. Can Geotech J, 1990, 27(4), 429 [3] Brucy F, Meunier J, Nauroy J F. Behavior of pile plug in sandy soils during and after driving / / Offshore Technology Conference. Houston, 1991: 145 [4] Lehane B M, Gavin K G. Base resistance of jacked pipe piles in sand. J Geotech Geoenviron Eng, 2001, 127(6): 473 [5] Xie Y J, Wang H Z, Zhu H H. Soil plugging effect of PHC pipe pile during driving into soft clay. Rock Soil Mech, 2009, 30(6): 1671 (谢永健, 王怀忠, 朱合华. 软黏土中 PHC 管桩打入过程中土 塞效应研究. 岩土力学, 2009, 30(6): 1671) [6] Zhou J, Chen X L, Zhou K M, et al. Model test and numerical simulation of driving process of open鄄ended jacked pipe piles. Chin J Rock Mech Eng, 2010, 29(Suppl 2): 3839 (周健, 陈小亮, 周凯敏, 等. 静压开口管桩沉桩过程模型试 验及数值模拟. 岩石力学与工程学报, 2010, 29 ( 增刊 2 ): 3839) [7] Zhang Z M, Liu J W, Yu F, et al. Research on plugging effect of jacked prestressed concrete pipe pile. Rock Soil Mech, 2011, 32 (8): 2274 (张忠苗, 刘俊伟, 俞峰, 等. 静压预应力混凝土管桩土塞效 应试验研究. 岩土力学, 2011, 32(8): 2274) [8] Zhan Y X, Yao H L, Dong Q P, et al. Study of process of open鄄 ended pipe pile driven into sand soil by particle flow simulation. Rock Soil Mech, 2013, 34(1): 283 (詹永祥, 姚海林, 董启朋, 等. 砂土中开口管桩沉桩过程的 颗粒流模拟研究. 岩土力学, 2013, 34(1): 283) [9] Cao Z H, Kong G Q, Liu H L, et al. Model tests on pipe pile penetration by using transparent soils. Chin J Geotech Eng, 2014, 36(8): 1564 (曹兆虎, 孔纲强, 刘汉龙, 等. 基于透明土的管桩贯入特性 模型试验研究. 岩土工程学报, 2014, 36(8): 1564) [10] Wang J Q, Peng T, Huang L Y, et al. Model test research on soil plug effect of open鄄ended pipe pile in red clay ground. Ind Construction, 2016, 46(12): 73 (王家全, 彭泰, 黄柳云, 等. 红黏土地层开口管桩土塞效应 模型试验研究. 工业建筑, 2016, 46(12): 73) [11] Yang J H. The Analysis of PHC Piple Pile蒺s Soil Compaction Effect [ Dissertation]. Hefei: Hefei University of Technology, 2016 (杨靖晖. 预应力混凝土管桩挤土效应研究[学位论文]. 合 肥: 合肥工业大学, 2016) [12] Paik K H, Lee S R. Behavior of soil plugs in open鄄ended model piles driven into sands. Mar Georesour Geotechnol, 1993, 11 (4): 353 [13] Iskander M G, Olson R E. An axperimental facility to model the behavior of steel pipe piles in sand[R/ OL]. Offshore Technology Research Center ( 1996鄄03 ) [ 2018鄄04 ]. https: / / otrc. tamu. edu / research / publications/ seafloor鄄engineering鄄and鄄characteriza鄄 tion / an鄄experimental鄄facility鄄to鄄model鄄the鄄behavior鄄of鄄steel鄄pipe鄄 piles鄄in鄄sand / [14] Choi Y, O蒺Neill M W. Soil plugging and relaxation in pipe pile during earthquake motion. J Geotech Geoenviron Eng, 1997, 123 (10): 975 [15] Gavin K G, Lehane B M. The shaft capacity of pipe piles in sand. Can Geotech J, 2003, 40(1): 36 [16] Yegian M, Wright S G. Lateral soil resistance displacement rela鄄 tionships for pile fundation in soft clays / / Offshore Technology Conference. Houston, 1973: 893 [17] Rao S N, Ramakrishna V G S T, Raju G B. Behavior of pile鄄 supported dolphins in marine clay under lateral loading. J Geotech Eng, 1996, 122(8): 607 [18] Iskander M. Behavior of Pipe Piles in Sand: Plugging & Pore鄄 Water Pressure Generation during Installation and Loading. Ber鄄 lin: Springer鄄Verlag Berlin Heidelberg, 2011 ·277·