连锁空心方桩地下连排墙基坑支护成套技术的研究
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摘要
随着国内高层建筑的发展和地下空间的开发,基坑工程也朝着深、大的方向发展。当前,对于这些深、大基坑提出的“挡土”和“止水”功能要求,国内普遍使用现浇的地下连续墙和钻孔灌注桩这两种围护结构,对保证深基坑工程的安全起了重要作用。连锁空心方桩地下连排墙是一种全新的基坑支护型式。
     预应力混凝土空心方桩(以下简称空心方桩)具有单桩承载力高、抗弯刚度大、施工速度快的特点,其已经在桩基工程中得到大量应用,但将空心方桩应用在深基坑工程,尤其是仅用单一桩型就能同时解决基坑工程的“挡土”和“止水”问题的成功应用还是空白,因此研究如何将空心方桩用于深基坑工程是很有现实意义和工程应用价值的。
     本文立足于空心方桩的现有研究成果和标准,根据深基坑工程的特点,对·原来普遍用于桩基工程的空心方桩加以改造,研究由此产生的一系列问题,使改造后的空心方桩能够适应深基坑工程的要求,最终形成可以应用于深基坑工程的空心方桩支护成套技术。
     本文针对空心方桩的桩型改造、承载力和抗弯刚度、生产工艺、连锁成墙施工工艺、设计计算等方面进行了系列理论研究,开发了配套的连锁空心方桩地下连排墙设计软件,在昆明市进行了工程现场试验研究,还将连锁空心方桩地下连排墙支护和已经完工基坑工程的钻孔灌注桩支护进行了对比分析,取得了一些创新的成果。研究的主要内容、成果和方法如下:
     1、本文详细地研究了基坑支护空心方桩的截面设计与变化、承载力和抗弯刚度参数,并将空心方桩与实心圆桩的承载力和抗弯刚度进行了对比分析,开发出了新的基坑支护空心方桩类型。论文将空心方桩连锁成墙和现有基坑工程的钻孔灌注加高压旋喷桩/深层搅拌桩进行了技术经济对比分析,为钻孔灌注桩加止水帷幕支护的基坑工程提供了一种新的用单一空心方桩支护的选择。
     2、本文研究了基坑支护空心方桩的生产工艺、连锁成墙施工工艺,重点研究了其中的一系列难点和关键技术,总结出了一套完整的基坑支护空心方桩的工厂生产和现场连锁成墙施工工艺。
     3、本文提出了连锁空心方桩地下连排墙的等效设计法,该方法简便易行,便于工程应用。重点研究了连锁空心方桩地下连排墙的三维分析,开发了配套的二维和三维连锁空心方桩地下连排墙设计计算软件。
     4、本文进行了连锁空心方桩地下连排墙用于实际深基坑工程的试验,设计、施工了工程试验段,进行了相应的监测工作,对监测数据进行了反分析,总结了试验段的研究工作并形成一系列重要结论。
     通过上述研究,从硬件和软件两方面形成了连锁空心方桩地下连排墙基坑支护成套技术。研究还表明,连锁空心方桩地下连排墙具有很多优势,并有很好的市场前景。本文在最后提出连锁空心方桩地下连排墙作为基坑支护新体系需要进一步研究的重要问题。
With the development of the high-rise buildings and underground spaces, the excavation engineering also developed towards deeper depth and larger area. At present, the function request of retaining soil and sealing water of excavation is accomplished by the widespread use of cast-in-place bored pile and diaphragm which played an important role to ensure the safety of the foundation pit. The platoon-oriented wall made by chain prestressed spun concrete square pile is a new type of retaining and protection structure for building foundation excavations.
     As a new type of pile, the prestressed spun concrete square pile (simply named PS hereinafter) has the characteristics of high bearing capacity, high bending stiffness and fast construction speed. Although PS has been widely used in pile foundation engineering, it is completely absent to use PS in deep excavation engineering; especially the application of using a single type of pile to solve the problems of retaining soil and sealing water at the same time is still vacant so far. So, the research on how to apply PS to deep foundation pit engineering has a very practical significance and engineering application value.
     Based on the existing research results and relevant standards, PS that was widely used in pile foundation engineering was transformed according to the characteristics of deep excavation. Moreover, a series of problems have been researched so that the transformed PS can meet the requirements of deep excavation engineering. Finally, the complete techniques of PS for deep foundation pit can come into being.
     Therefore, the theoretical studies such as pile type transformation, bearing capacity and bending rigidity, manufacture method, construction technology, design calculation method and other aspects have been made in this dissertation. Moreover, the matching design software of PS platoon-oriented wall has been developed and the field experimental research has been finished in an engineering in Kunming City. In addition, there is a comparision between PS platoon-oriented wall and the cast-in-place bored piles that existed in some completed foundation excavations. As a result, the author makes some innovative achievements. The following shows the main contents, results and methods of the research:
     (1). In this dissertation, the section design and change of PS, the parameter of bearing capacity and bending rigidity were calculated and studied in details. Furthermore, the comparision of bearing capacity and bending rigidity between PS and solid circular pile were analyzed in details. Naturally, PS for deep excavation has been developed as a new type of pile. Moreover, the comparison of technology and economy indicators between PS platoon-oriented wall and the bored piles with jet grouting piles or mixing piles of some completed deep excavation engineerings has been drawed. As a result, the author put forward a new choice using single type of PS platoon-oriented wall for those engineerings using the combination of bored piles and water sealing curtain.
     (2). The author also researched the detailed manufacture method, construction technology for PS platoon-oriented wall and so on, especially studies a series of difficult problem and key technology among them, and summarizes a complete set technology of production and site construction of PS platoon-oriented wall.
     (3). Moreover, the equivalent algorithm of design method of PS platoon-oriented wall for deep excavation was researched and put forward. This method is simple and convenient for engineering applications. The3D analysis method of PS platoon-oriented wall retaining structure has been researched as a key point. In addition, the author has also developed a matching2D and3D software for design of PS platoon-oriented wall retaining structure.
     (4). PS platoon-oriented wall has been applied to actual deep excavation engineering for experiment and test. The experimental segment wall was designed and constructed and the relevant test work has been finished. Furthermore, the author has made back-analysis based on the test data and summarized the research work of experimental segment wall. Ultimately, a series of important conclusions were put forward in this paper.
     It can be concluded that the complete set technology of PS platoon-oriented wall for excavation retaining has come into being not only with hardware but also with software. It shows PS platoon-oriented wall has many advantages and bright market prospect based on the above research. However, as a kind of new products, PS platoon-oriented wall still needs many further research and development, so some important problems and topics are listed in the final part of the dissertation.
引文
[1]建筑地基基础设计规范(GB 50007-2011),北京:中国建筑工业出版社,2011
    [2]建筑基坑支护技术规程(JGJ 120-99),北京:中国建筑工业出版社,1999
    [3]建筑基坑支护技术规程(JGJ 120-2012),北京:中国建筑工业出版社,2012
    [4]混凝土结构设计规范(GB 50010-2010),北京:中国建筑工业出版社,2010
    [5]岩土工程勘察规范(GB 50021-2001),北京:中国建筑工业出版社,2001
    [6]建筑桩基技术规范(JGJ 94-2008),北京:中国建筑工业出版社,2008
    [7]建筑基桩检测技术规范(JGJ 106-2003),北京:中国建筑工业出版社,2003
    [8]岩土工程基本术语标准(GB/T 50279-98),北京:中国计划出版社,2008
    [9]土工试验方法标准(GB/T 50123-1999),北京:中国计划出版社,1999
    [10]建筑地基基础设计规范(GB50007-2002),北京:中国建筑工业出版社,2002
    [11]上海市地方标准,基坑工程设计规程(DBJ08-61),上海,1997
    [12]上海市地方标准,基坑工程技术规范(DG/TJ08-61),上海,2010
    [13]预应力混凝土空心方桩(JG 197-2006),北京:中国标准出版社,2007
    [14]预应力混凝土空心方桩国家建筑标准设计图集(08SG360),北京:中国计划出版社,2009
    [15]预应力离心混凝土空心方桩(JC/T2029-2010),北京:中国建材工业出版社,2011
    [16]先张法预应力混凝土管桩(GB13476-1999),北京:中国标准出版社,1999
    [17]先张法预应力混凝土管桩(GB13476-2009),北京:中国标准出版社,2009
    [18]混凝土外加剂(GB8076-2008),北京:中国标准出版社,2009
    [19]碳素结构钢(GB/T700-2006),北京:中国标准出版社,2007
    [20]先张法预应力混凝土管桩用端板(JC/T947-2005),北京:中国建材工业出版社,2005
    [21]预应力混凝土用钢棒(GB/T5223.3-2005),北京:中国标准出版社,2005
    [22]云南中技管桩有限公司企业标准,离心法预应力混凝土空心方桩,2004
    [23]浙江省建筑标准设计结构标准图集,预应力离心混凝土空心方桩(2010浙G35),北京:中国计划出版社,2010
    [24]上海市建筑标准设计图集,先张法预应力混凝土空心方桩(2006沪G/T-502),上海:上海市建筑建材业市场管理总站,2006
    [25]上海市建筑标准设计图集,HKFZ/KFZ先张法预应力混凝土空心方桩(2012沪G/T-502),上海:上海市建筑建材业市场管理总站,2012
    [26]江苏省工程建设标准设计图集(推荐图),先张法预应力混凝土空心方桩(苏G/T17-2008),江苏:江苏省工程建设标准站,2008
    [27]黄强,建筑基坑支护技术规程应用手册,北京:中国建筑工业出版社,1999
    [28]顾晓鲁等,地基与基础(第三版),北京:中国建筑工业出版社,2003
    [29]陈伟,基坑支护结构分析系统的开发研究,北京;中国建筑科学研究院青年基金课题报告,2001
    [30]王广宇,预应力混凝土空心方桩成套技术研究,北京:中国建筑科学研究院博士学位论文,2007
    [31]王建军,基坑支护现场试验研究与数值分析,北京:中国建筑科学研究院博士学位论文,2006
    [32]陈祥福、陈伟,Deep Foundation Engineering in the 21st Century in China,国际工程科技大会论文集,北京,2000
    [33]陈祥福、陈伟,New Design Method of the Space-varying Rigidity and Iso-settlement on Group Piles,2004世界工程师大会论文集,上海,2004
    [34]陈祥福、徐至钧,变刚度群桩设计原理与工程应用,北京:科学出版社,2011
    [35]云南省建筑材料产品质量检验研究院.《云南省建筑材料产品质量检验研究院检验报告附表No.13-C0361(2/4)》.昆明:2010
    [36]黄吉锋,求解广义特征值问题的多重RITZ向量法,力学学报,No.5:585-595,1999
    [37]昆明市建筑设计研究院有限责任公司,晋宁县宏宸花园(笔者注:后更名为永乐金园)基坑专项勘察报告,昆明,2011.6
    [38]龚晓南、宋二祥等,基坑工程实例1,北京:中国建筑工业出版社,2006
    [39]龚晓南、宋二祥等,基坑工程实例2,北京:中国建筑工业出版社,2008
    [40]龚晓南、宋二祥等,基坑工程实例3,北京:中国建筑工业出版社,2010
    [41]龚晓南、宋二祥等,基坑工程实例4,北京:中国建筑工业出版社,2012
    [42]郑刚、刘瑞光,软土地区基坑工程支护设计实例,北京:中国建筑工业出版社,2011
    [43]余波。国家大剧院深基坑工程设计与施工技术。 《岩土工程界》,vol7,N0.3
    [44]杨光华,深基坑支护结构的实用计算方法及其应用,北京:地质出版社,2004
    [45]黄强,深基坑支护工程设计技术,北京:中国建材工业出版社,1995
    [46]陈忠汉等,深基坑工程,北京:机械工业出版社,2002
    [47]刘建航、侯学渊,基坑工程手册,北京:中国建筑工业出版社,1997
    [48]刘国彬、王卫东,基坑工程手册(第二版),北京:中国建筑工业出版社,2009
    [49]黄强,深基坑工程结构实用内力计算手册,北京,中国建筑工业出版社,1995
    [50]王铁行等,岩土工程数值分析(第2版),北京:机械工业出版社,2009
    [51]赵锡宏等,大型超深基坑工程实践与理论,北京:人民交通出版社,2004
    l52]高印立等,圈梁效应对排桩支护结构性状的影响,建筑科学,Vol.17 No.2 2001.4
    [53]高印立等,排桩与圈梁协同作用下考虑开挖过程的挠曲方程法,土木工程学报,Vol.34 No.1 2001.2
    [54]黄强、惠永宁,深基坑支护工程实例集,北京:中国建筑工业出版社,1997。
    [55]黄凯等,深基坑圈梁与支护桩的相互作用分析,岩石力学与工程学报,Vol.22No.3:481-486
    [56]陈伟,深基坑施工过程中支护结构的有限元分析,同济大学硕士论文,上海,1997
    [57]陈伟,基坑支护结构三维计算的发展方向,施工技术,Vol.36 No.B03:31-32
    [58]陈伟等,深基坑支护结构的三维分析原理、应用及验证,岩土工程学报,Vol.36No.5:729~735
    [59]陈伟等,宁波镇明路地下车库基坑工程三维计算及验证,建筑科学,Vol.23No.5:81-84
    [60]陈伟等,三维深基坑支护结构设计计算软件的开发研制,第十三届全国工程建设计算机应用学术会议论文集,广东佛山,2006
    [61]时伟等,基坑支护体系主动区土压力试验研究,岩石力学与工程学报,Vol.21(增2) 2002.12
    [62]吴文等,深基坑桩锚支护体系中的土锚试验研究,土工基础,Vol.14 No.1 2000
    [63]蒋元海,建材行业标准《预制钢筋混凝土方桩》JC 934-2004编制简介,混凝土与水泥制品,2005年第1期
    [64]赵延林等,基坑工程中土层锚杆承载力的试验研究,低温建筑技术,2005(2)
    [65]张怀静等,深基坑支护的数值分析,北京建筑工程学院学报,Vol.19 No.2:42-47
    [66]杨雪强等,深基坑支护的杆系有限元分析,湖北工学院学报,Vol.19 No.2:17-21
    [67]黄强,桩基工程若干热点技术问题,北京:中国建材工业出版社,1996
    [68]黄强,勘察与地基若干重点技术问题,北京:中国建筑工业出版社,2001
    [69]徐至钧、李智宇,预应力混凝土管桩基础设计与施工,北京:机械工业出版社,2005
    [70]潘琦、庄作成等,钢筋混凝土空心方桩承载性状及工程应用,建筑结构,Vol.36No.10:40-42、57
    [71]侯伟生,福建省岩土与基础工程现状与展望,福建建设科技,2006No.3:6-7
    [72]陈天丰,静压预应力混凝土管桩施工质量控制和常见问题的处理,福建建筑,2006年第2期:100-103
    [73]陈飞,静压高强预应力混凝土管桩施工技术,西部探矿工程,2005年第12期总第116期:23-25
    [74]瞿成松等,上海中心大厦基坑降水设计及实践,环境资源与工程,Vol.25 No.3,2011.6
    [75]王建军、杨军等,论预应力管桩停止锤击和终止静压的控制,浙江建筑,Vol.23No.6:46-48、54
    [76]马琳琳,预应力管桩的设计与施工,山西建筑,Vol.30 No.18:82-83
    [77]张幸祥等,利用旧预应力管桩进行基坑支护的应用实践,建筑施工,Vol.27 No.12,2005
    [78]黄广龙等,预应力管桩在基坑围护中的应用,建筑技术,Vol.37 No.12,2006年
    [79]李杰,PHC管桩在基坑工程中的应用,福建建筑,2007年第10期总第112期
    [80]齐红博,高强预应力管桩在基坑支护工程中的应用,科技情报开发与经济,Vol.20No.25,2010
    [81]冯忠居等,大直径钻埋预应力混凝土空心桩承载力的试验,长安大学学报(自然科学版),Vol.25 No.2:50-54
    [82]冯忠居等,大直径钻埋预应力空心桩结构承载力计算,长安大学学报(自然科学版),Vol.25 No.3:49-53
    [83]顾玮等,某中心城区雨污合建泵站的深基坑支护工程,中国给水排水,Vol.26No.12:147-149
    [84]梁志荣等,深松软地基条件下工程桩事故分析及对策,上海交通大学学报,Vol.46No.1:69-72、78
    [85]朱海骏等,砼芯水泥土复合桩在基坑支护工程中的应用与研究,防灾减灾工程学报,Vol.26 No.1:68~72
    [86]陈彦,预应力离心方桩的抗弯性能和承载力试验研究,武汉理工大学学报,Vol.29No.5:94-97
    [87]刘芙蓉,预应力混凝土空心方桩焊接接头抗弯试验研究,武汉理工大学学报,Vol.30No.5:105-108
    [88]周文苑等,预应力高强混凝土矩形支护桩的受弯性能,南京工业大学学报(自然科学版),Vol.33 No.5:84-89
    [89]杨波,预制高强凝土矩形支护桩在基坑工程中的应用,岩土工程学报,Vol.34(增刊),2012.11
    [90]黄广龙等,预应力高强混凝土支护桩抗弯试验研究及计算方法探讨,建筑结构,Vo1.42 No.4:113~116、132
    [91]倪国泉等,预应力混凝土空心方桩承台节点抗震性能试验研究,地震工程学报,Vo1.25 No.3:246~251
    [92]S. Banerjee, J. F. Stanton, and N. M. Hawkins. SEISMIC PERFORMANCE OF PRECAST PRESTRESSED CONCRETE PILES. J. Struct. Eng.1987.113:381-396
    [93]B. INDRARAT AND A. S. BALASUBRAMANIPA.M P,H AMVAANN D Y. K. WON. Development of negative skin friction on driven piles in soft Bangkok clay. Can. Geotech. J. 29,393-404(1992)
    [94]C. F. Leung, Y. K. Chow, and R. F. Shen. BEHAVIOR OF PILE SUBJECT TO EXCAVATION-INDUCED SOIL MOVEMENT. JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING. NOVEMBER 2000:947-954
    [95]C. F. Leung, J. K. Lim, R. F. Shen, and Y. K. Chow. Behavior of Pile Groups Subject to Excavation-Induced Soil Movement. JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING. JANUARY 2003:58-65
    [96]A. M. BUDEK, M. J. N. PRIESTLEY. EXPERIMENTAL ANALYSIS OF FLEXURAL HINGING IN HOLLOW MARINE PRESTRESSED PILE SHAFTS. Coastal Engineering Journal, Vol.47, No.1 (2005) 1-20
    [97]PC-壁体 Precast Concrete Walls,NIPPON CONCRETE INDUSTRIES CO,LTD.(2005)
    [98]Pei-hsun Tsai, Zheng-yi Feng, Tin-Ion Jen. Three-dimensional analysis of the screening effectiveness of hollow pile barriers for foundation-induced vertical vibration. Computers and Geotechnics 35 (2008) 489-499
    [99]Rabin Tuladhar, Takeshi Maki and Hiroshi Mutsuyoshi. Cyclic behavior of laterally loaded concrete piles embedded into cohesive soil. Earthquake Engng Struct. Dyn.2008; 37:43-59
    [100]Yan, Ge;Yan, Li;Xichang, Zhu. Testing Zinc Mesh Anodes for Prestressed Concrete Wharf Piles. Materials Performance; Sep 2011; Vol.50, No.9:30-33
    [101]Tseng-Cheng Lin, Chyuan-Hwan Jeng, Chung-Yue Wang, and Ting-Hung Jou. Repair of Corroded Prestressed Concrete Piles of Harbor Landing Stages. ACI Structural Journal/July-August 2013:707-715
    [102]Jin-Uk Leea, Taeyeon Kimb, Seung-Bok Leigh. Thermal performance analysis of a ground-coupled heat pump integrated with building foundation in summer. Energy and Buildings 59(2013)37-43
    [103][美]David J. Kruglinski著,王国印译,《Visual C++技术内幕》第二版,北京:清华大学出版社,1995
    [104][美] Robert D.Thompson(美)著,前导工作室译,MFC开发人员参考手册,北京:机械工业出版社,1998
    [105][美]Peter Norton, Rob McGregor著,孙凤英等译,《MFC开发Windows 95/NT4应用程序》,北京:清华大学出版社,1998年。
    [106][美]Eugene Kain著,健莲科技译,MFC经典问答,北京:中国电力出版社,2001
    [107]罗斌等,Visual C++编程技巧精选集,北京:中国水利水电出版社,2008
    [108]谭浩强,C程序设计(第四版),北京:清华大学出版社,2010
    [109]赵永发等,Visual C++开发宝典,北京:机械工业出版社,2012
    [110]软件开发技术联盟,Visual C++开发实战,北京:清华大学出版社,2013
    [111][美]Ivor Horton著,苏正泉、李文娟译,Visual C++ 2012入门经典,北京:清华大学出版社,2013
    [112]企业标准,先张法U形预应力混凝土板桩(Q/SQPU1-2011),上海:上海中技桩业股份有限公司,2011
    [113]企业标准,先张法U形预应力混凝土板桩用止水条(Q/SQPU2-1-2012),上海:上海中技桩业股份有限公司,2012

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