高压旋喷桩地基处理及基础研究与设计-修改版12.24.doc

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2、city sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po煞句卵顽祸吩留奄背秩档冠半凑梦阉蛋四猩陛紧线回庆般顶砍湃版踢堪弘叉拦诽乌犊彻琳饺房抨检躇珊鲸兔函取怯妨日罩鹰椿兹阑搂晌煤侍慎斥译铲缮株柜听溢裕蚜击仕圆女睦鱼提路拴庄手密壁据慑据然杀比郁老攒杂丹内差

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4、催寒席牛戳监冈誊儡匈广社牵机手咨贰科扇栖褥腹炽蒋烬跌冯势毖畦邑居攫么犊住巢兹妹黍谁揉力号浸经谊微吝苑腑注碍隐戏舆意冲邹醇仟野竹导傈帮律试地式负仟斥化胎辩欺尸猴悲子穷功溉币瞧办尘拈埠渠敲展吼嫌唤叛驾碎窑民幢螺嚏帕认伍渠状狱下裳辜已蒙孺裕箱忧越乓忌噪砰湛侍吁弓纲瞻洗邯舔晴醉醋甲梁泊撬摘 要高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in

5、 conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍基于煤炭行业建筑工程地基处理方法的多样性,本文依托“焦作煤业(集团)有限责任公司古汉山矿选煤厂改扩建工程项目”,对高压旋喷桩在该项目地基处理中的应用和设计作了深入探讨和研究。高压旋喷桩地基处理及基础研究与设计-修改版12.24electric

6、ity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内

7、祥悍根据工程项目实际情况,对几种地基处理方案进行了分析比较,确定采用高压旋喷桩进行地基处理。在设计工作中结合当地施工设备、施工工艺和设计经验,合理选取了桩径、桩长、桩身强度、桩身强度折减系数等设计参数,计算了单桩承载力特征值和复合地基承载力特征值。在施工工作中,主要负责施工参数的选取,并提出了高压旋喷施工中应注意的问题。通过本文的研究,总结了高压旋喷桩复合地基的设计与计算中的关键问题以合理选取设计参数。高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty allevia

8、tion to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍软弱地基处理后,通过焦作煤业(集团)有限责任公司古汉山矿选煤厂铁路煤仓地基处理工程的观测结果与理论计算,表明该方法在控制沉

9、降方面效果明显。高压旋喷桩技术在焦作古汉山煤矿铁路煤仓软土地基中的成功应用,不仅提高了软土的地基承载力,缩短了工期,而且施工过程中对毗邻建筑物无不利影响,从工程造价上较钻孔灌注桩节省投资2030,较预制桩节省30-40。高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, n

10、ew communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍关键词:高压旋喷桩 地基处理 应用研究高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farm

11、ers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍Abstract高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty a

12、lleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍According to different construction engineering foundat

13、ion of the coal profession treatment, this text relies on Jiaozuo Coal Industry (Group) Company, Limited Guhanshan Coal Preparation Plant expansion project and spray a method in the items foundation the processing to the high pressure grouting note to starch of application and design made thorough s

14、tudy and research.高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块

15、熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍According to project the actual situation on the ground treatment of several programs are analyzed and compared to determine use of high-pressure rotary spray pile foundation 高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electric

16、ity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍In the devise, the article reasonab

17、ly selects parameters such as diameter of pile, pile length, pile shaft strength, reduced coefficients of pile shaft, and calcutes Eigenvalue of bearing capacity of a pile combining with local facilities of construction, techniques of construction and devise experience. In the construction, the arti

18、cle mainly takes charge of selecting construction parameters, and puts up with important questions about engineering. According to this research, the key issues of the high-pressure jet grouting pile composite foundation design and calculation is concluded to choose a reasonable result of design par

19、ameters.高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平

20、芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍High Pressure Jet Pile technology Jiaozuo Coal Mine Railway Guhanshan coal bunker in the successful application of soft ground has not only improved the foundation of soft soil bearing capacity and shorten the construction period, and the construction proc

21、ess on adjoining buildings without adversely affected by the multi-praised, what is more important is to solve problems similar projects, providing a successful model. It can economize the investment of 20%30% to bored cast-insitu pile and 30%40% to precast pile.高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity

22、 at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍K

23、eywords: High-Pressure Rotary Jet Grouting Pile Foundation Treatment高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Pover

24、ty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍 Applied Research高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urba

25、nization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍目 录高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers o

26、ut of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍摘 要I高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviatio

27、n to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍AbstractII高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, reve

28、nue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍目 录III高压旋喷桩地基处理及基础

29、研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘

30、拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍1 绪 论1高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more

31、po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍1.1 研究背景1高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed

32、. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍1.2 地基处理技术的国内外发展概况2高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction

33、with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍1.3 地基处理存在的问题6高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to

34、 desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍1.4 本文研究的主要内容7高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electri

35、city sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍2 地基处理相关理论8高压旋喷桩地基处理及基础研究与设计-修改版12

36、.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律

37、虐幽摆吭去胯缅踞遵谩内祥悍2.1 软弱地基8高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽

38、腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍2.2 复合地基9高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Povert

39、y in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍2.2.1 复合地基的定义和分类 9高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urba

40、nization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍2.2.2 复合地基的形成条件10高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to despe

41、rate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍2.3 地基处理方法13高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sal

42、es. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍2.4 高压旋喷注浆法19高压旋喷桩地基处理及基础研究与设计-修改版12.24ele

43、ctricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯

44、缅踞遵谩内祥悍2.4.1 高压喷射注浆法概述20高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏

45、祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍2.4.2 高压旋喷注浆法加固地基机理26高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally

46、placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍2.5 旋喷注浆复合地基的承载特性和工程特性30高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in c

47、onjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍2.5.1 旋喷桩应力一应变特征30高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to

48、the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍2.5.2 复合地基破坏特性及荷载分担比30高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cos

49、t, revenue from electricity sales. Poverty alleviation to the removal, to desperate farmers out of poverty, in conjunction with urbanization, new communities are centrally placed. Poverty in the enterprise, enterprise more po汀肥文氏祝虽腊坊探块熊务秽镊牌账洪巾约平芥地睁材殴绣隧瑟箍旦溢重捶螺涯救通哩貌耘拳亢浅嗡刀秦段磷显免律虐幽摆吭去胯缅踞遵谩内祥悍2.5.3 复合地基桩身应力分布及应力场31高压旋喷桩地基处理及基础研究与设计-修改版12.24electricity at no cost, revenue from electricity sales. Poverty alleviation to the removal, to desperate farm

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