CN102943467A - Six-axis cement soil mixing pile - Google Patents

Six-axis cement soil mixing pile Download PDF

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Publication number
CN102943467A
CN102943467A CN2012104458999A CN201210445899A CN102943467A CN 102943467 A CN102943467 A CN 102943467A CN 2012104458999 A CN2012104458999 A CN 2012104458999A CN 201210445899 A CN201210445899 A CN 201210445899A CN 102943467 A CN102943467 A CN 102943467A
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cement
pile
axis
cement mixing
mixing pile
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CN2012104458999A
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Chinese (zh)
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刘全林
宋伟民
宋雪清
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上海强劲地基工程股份有限公司
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Priority to CN2012104458999A priority Critical patent/CN102943467A/en
Publication of CN102943467A publication Critical patent/CN102943467A/en

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Abstract

The invention provides a six-axis cement soil mixing pile. Six cement soil mixing piles are formed at one time and overlapped seamlessly, so that joints formed by original single-axis or two-axis cement soil mixing pile are reduced, the water-stopping effect and construction efficiency can be improved, the amount of labor used is reduced, and the construction period can be shortened by more than 2/3.

Description

六轴水泥土搅拌粧 Six-axis makeup cement mixing

技术领域 FIELD

[0001] 本发明涉及岩土工程中对软弱土体加固和基坑支护的水泥土搅拌桩,特别涉及提高软土强度和基坑支护止水挡土领域的六轴水泥土搅拌桩。 [0001] The present invention relates to a soil cement geotechnical engineering of soft soil reinforcement and excavation is mixed pile, particularly to improve the strength and the soft soil foundation pit art sealing RETAINING six-axis cement mixing pile.

背景技术 Background technique

[0002] 在对软弱土层进行加固和基坑支护时,常常采用水泥浆与土体搅拌的方法,形成水泥土搅拌桩体,从而使软弱地基的强度和止水性有较大的提高。 [0002] When in soft soil reinforcement and excavation is often employed a method and soil slurry was stirred to form a cement mixing pile, so that the strength of the weak foundation and waterproofing of greatly improved. 传统的单轴搅拌桩和两轴搅拌桩,在一定的范围内与三轴搅拌桩相比,具有水灰比小,置换土少,水泥掺量小,造价低等优点。 Conventional uniaxial mixing pile and pile two stirring shafts with stirring in a three-axis within a certain range as compared to the pile, with a small water-cement ratio, less soil substitutions, small cement content and low cost. 但是,单轴搅拌桩或两轴搅拌桩,是一个或二个等直径的圆柱体交接而成,如图I所示,每根桩或每两根桩之间形成一个搭接缝,容易造成开叉和渗漏,这对水泥土搅拌墙的止水性有很大影响。 However, uniaxial or two-shaft mixer mixing pile pile, of one or two diameters and the like from the transfer cylinder, as shown in FIG I, a lap seam is formed between each pile or pile every two, likely to cause split and seepage, which cement mixing wall of water stopping performance has a great influence. 对于单轴或二轴水泥土搅拌桩机,其功率较小,桩架稳定性差,桩机移动以人工加钢丝绳牵引,在施工中要频繁移机,占用大量的工作时间,影响施工效率,针对以上问题,为了减少移机次数和搭接缝,降低施工成本和提高工效,单轴搅拌桩或二轴搅拌桩,一次施工形成的水泥土搅拌桩数量小。 For uniaxially or biaxially cement mixing pile driver, which power is small, the difference between the stability of the pile frame, the pile driver to move artificially traction rope, in the construction machine to move frequently, take up a lot of working time, affect the efficiency of the construction, for the above problem, in order to reduce the number of machines and shift lap seam, improve efficiency and reduce construction costs, a uniaxial or biaxial agitation mixing pile pile, a soil cement mixing pile construction is formed a small number. 为此,一次形成较长的水泥土搅拌桩墙是地基加固和基坑支护领域的一种新需求。 For this reason, a longer form of cement mixing pile wall is reinforced foundation and excavation of a new field of demand.

发明内容 SUMMARY

[0003] 本发明所要解决的技术问题在于,克服现有技术中存在的问题,提供地基加固或基坑支护用的一种六轴水泥土搅拌桩,减少水泥土搅拌桩的搭接缝,提高水泥土搅拌桩的止水效果,提高施工效率和缩短工期,减少劳动强度和降低施工成本。 [0003] The present invention solves the technical problem is to overcome the problems in the prior art, to provide six axes or one foundation reinforcement cement soil foundation excavation with pile stirring, to reduce cement mixing pile lap seam, cement mixing pile improve sealing effect, shorten the construction period and increase construction efficiency, reduce labor intensity, and reduce construction costs.

[0004] 六轴水泥土搅拌桩,水泥土搅拌桩由土和水泥衆搅拌形成,一幅水泥土搅拌墙由多根竖向相互搭接的水泥土搅拌桩组成,多幅水泥土搅拌墙相互搭接形成更长的水泥土搅拌墙,其特征是,每幅水泥土搅拌墙由六根竖向的水泥土搅拌桩组成,六根水泥土搅拌桩同一时间形成,六根水泥土搅拌桩在同一竖直面上,相邻桩体互相搭接;相邻的水泥土搅拌墙相互搭接。 [0004] Six-axis mixing pile, pile cement mixing and stirring the soil cement all forming a cement mixing a plurality of vertical walls mutually overlapping cement mixing pile composed of multiple walls each cement mixing form a longer overlap cement mixing wall, characterized in that each piece of cement mixing a soil cement wall was stirred six vertical piles composed of six cement mixing pile is formed at the same time, six cement mixing pile in the same vertical surface, mutually overlapping adjacent pile; cement mixing wall adjacent to overlap each other.

[0005] 相邻的水泥土搅拌墙相互搭接,搭接范围20mm以上。 [0005] Cement Mixing adjacent walls overlapping each other, the overlapping range above 20mm.

[0006] 相邻的水泥土搅拌墙相互搭接,搭接为一根桩重合。 [0006] Cement Mixing adjacent walls overlapping each other, an overlapping of the pile coincident.

[0007] 相邻桩体互相搭接,搭接范围20mm以上。 [0007] The pile adjacent to each other overlap, the overlapping range of 20mm or greater.

[0008] 六根水泥土搅拌桩直径相同。 [0008] The same six cement mixing pile diameter.

[0009] 水泥土搅拌桩的水灰比> O. 3。 [0009] The water-cement ratio cement mixing pile> O. 3.

[0010] 水泥土搅拌的水泥掺入量彡3%。 [0010] incorporation of San cement mixing cement 3%.

[0011] 水泥土搅拌桩的桩长2m以上。 [0011] mixing pile above the pile length 2m.

[0012] 水泥土搅拌桩的直径300mm以上。 Diameter of [0012] mixing pile of 300mm or more.

[0013] 两幅相邻的水泥土搅拌墙平行,相互搭接或不搭接。 [0013] two adjacent parallel walls cement mixing, overlapping each other or overlap.

[0014] 有益效果:本发明所述的六轴水泥土搅拌桩,能一次同时施工六根水泥土搅拌桩,减少了原单轴或二轴水泥土搅拌桩形成的多道接缝,提高了施工效率,减少了用工量,弥补了三轴搅拌桩置换土多、水灰比大、水泥掺量大等缺陷,缩短施工工期三分之二以上。 [0014] Advantageous Effects: Six-axis soil cement mixing pile according to the invention, one can simultaneously six mixing pile construction, reducing the original multi-channel uniaxial or biaxial joint cement mixing pile formed, to improve the efficiency of construction , reducing the amount of labor to make up for the three-axis mixing pile soil displacement, large cement ratio and high cement content and other defects, shorten the construction period more than two thirds.

附图说明 BRIEF DESCRIPTION

[0015] 下面结合附图和具体实施方式来详细说明本发明; [0015] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments;

[0016] 图I为现有二轴水泥土搅拌桩机成桩平面示意图。 [0016] Figure I is a conventional biaxial stirring plan view soil cement pile into the pile.

[0017] 图2为本发明所述的六轴水泥土搅拌桩机成桩相互搭接平面示意图。 [0017] FIG. 2 according to the present invention, six-axis cement mixing pile pile plan view overlap each other.

[0018] 图2a为本发明所述的相邻的水泥土搅拌墙中一根桩重合搭接示意图。 [0018] FIG. 2a according to the present invention adjacent a wall cement mixing pile coincident overlapping FIG.

[0019] 图2b为本发明所述的相邻的水泥土搅拌墙相互不搭接平行示意图。 [0019] the adjacent soil cement of the present invention, FIG. 2b are not mutually overlap schematic stirred parallel walls.

[0020] 图2c为本发明所述的相邻的水泥土搅拌墙相互搭接平行示意图。 [0020] FIG. 2c according to the present invention adjacent a schematic cement mixing wall overlapping each other in parallel.

[0021] 图3为本发明所述的六轴水泥土搅拌桩机的钻杆立面布置图。 [0021] FIG 3 Pile stirred drill facade arrangement according to the present invention FIG six-axis soil cement.

[0022] 图4为图3的侧面结构示意图。 [0022] FIG. 4 is a schematic side view of the structure of FIG.

具体实施方式 Detailed ways

[0023] 为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体图示,进一步阐述本发明。 [0023] In order to achieve the technical means of the present invention, the creation of features, to achieve the purpose and effect readily apparent appreciated that specifically illustrated below with reference to further illustrate the invention.

[0024] 六轴水泥土搅拌桩,水泥土搅拌桩由土和水泥浆搅拌形成,一幅搅拌墙由多根竖向相互搭接的水泥土搅拌桩组成,多幅水泥土搅拌墙相互搭接形成更长的水泥土搅拌墙,每幅水泥土搅拌墙由六根竖向的水泥土搅拌桩组成,六根水泥土搅拌桩同一时间形成,六根水泥土搅拌桩在同一竖直面上,相邻桩体互相搭接;相邻的水泥土搅拌墙相互搭接。 [0024] Six-axis mixing pile, pile cement mixing and stirring the soil slurry is formed, a plurality of vertical stirring walls mutually overlapping cement mixing pile composed of, for Multiple cement mixing wall overlap each other cement mixing form a longer walls, each wall was stirred web by the cement mixing cement composition soil six vertical piles, six cement mixing pile is formed at the same time, six cement mixing pile in the same vertical plane, adjacent posts body overlap each other; cement mixing wall adjacent to each other overlap.

[0025] 先成型六根水泥土搅拌桩,组成一副连续的水泥土搅拌墙,多副的水泥土搅拌墙形成更长的水泥土搅拌墙。 [0025] The first six mixing pile molding, composed of a continuous wall cement mixing, multiple sub soil cement wall formed longer mixing cement mixing wall.

[0026] 参看图2,相邻的水泥土搅拌墙相互搭接,搭接范围20mm以上。 [0026] Referring to Figure 2, the adjacent cement mixing wall overlap each other, overlapping range above 20mm.

[0027] 参看图2a,相邻的水泥土搅拌墙相互搭接,搭接为一根桩重合,施工方式为套打。 [0027] Referring to Figure 2a, the adjacent cement mixing wall overlap each other, a pile of superposed overlapping construction Printing way.

[0028] 再或者,相邻桩体互相搭接,搭接范围20mm以上。 [0028] Still alternatively, the adjacent piles overlap each other, the overlapping range above 20mm.

[0029] 进一步的,六根水泥土搅拌桩直径相同、部分相同或各不相同。 [0029] Further, six soil cement mixing pile diameter the same, or different portions of the same. 可以承载较大的土压力。 You can support large earth pressure.

[0030] 水泥土搅拌桩的水灰比> O. 3。 [0030] The water-cement ratio cement mixing pile> O. 3. 水和水泥的质量比。 Mass ratio of water and cement. 水泥土搅拌桩中的水泥掺入量> 3%。 Cement mixing cement content pile> 3%. 水泥质量与土的质量之比。 Cement ratio of quality and soil quality.

[0031] 水泥土搅拌桩的桩长2m以上。 [0031] mixing pile above the pile length 2m. 水泥土搅拌桩的直径300mm以上。 Cement mixing pile diameter of 300mm or more.

[0032] 参看图2b和图2c,两幅相邻的水泥土搅拌墙平行,相互搭接或不搭接。 [0032] Referring to Figures 2b and 2C, two adjacent soil cement wall FIG stirring parallel, overlapping each other or do not overlap.

[0033] 图2d,多根桩相互搭接。 [0033] FIG. 2d, a plurality of piles overlap each other.

[0034] 参看图3和图4,采用履带式或步履式桩架和行走驱动系统,将六根钻杆排列在同一竖直面上,布置3根喷浆管,六根钻杆分别用六个动力装置驱动,在钻架的下端接一个导向架,分别给六根钻杆导向。 [0034] Referring to FIG. 3 and FIG. 4, the crawler or silent pile and the travel drive system, the six rod arranged in the same vertical plane, three spray pipes are arranged, respectively six six power drill drive means, at the termination of the drill mast a guide frame, respectively, to six drill guide.

[0035] 地基加固或基坑支护用六轴水泥土搅拌桩施工设备,包括机架,机架底座设置有行走履带,方便移动,机架上设置有六根钻杆,钻杆从左到右依次为第一钻杆I、第二钻杆 [0035] The foundation reinforcement or excavation axis by six pile construction cement mixing apparatus, comprising a running track rack, provided with a base, easy to move, is provided on the frame with a six drill pipe, drill pipe from left to right followed by a first drill pipe I, a second rod

2、第三钻杆3、第四钻杆4、第五钻杆5、第六钻杆6,六根钻杆排列在同一竖直面上,六根钻杆上部设置有六个用于驱动钻杆钻进的动力头10,六个动力头设置在一个可升降的动力箱内,动力箱设置在机架上,六根钻杆之间还间隔布置有喷衆管。 2, the third rod 3, a fourth rod 4, 5 drill fifth, sixth rod 6, six rod arranged in the same vertical plane, the upper six drill for driving the drill rod is provided with six drilling power head 10, six power head disposed inside a lifting power, the power box is provided on the frame, the interval between the six drill further arranged spray tube public. [0036] 所述喷衆管为三根分别为7、8、9,三根喷衆管与六根钻杆布置在同一排直线上,三根喷浆管分别布置在第一钻杆I和第二钻杆2间、第三钻杆3和第四钻杆4间、第五钻杆5和第六钻杆6间。 [0036] The discharge tube of all three are 7,8,9, all three spray drill pipe and disposed on the same six-row linear, three spray pipes are arranged in a first and a second drill rod I 2, third 3 and fourth drill rod 4, the fifth and sixth drill rod 5 6. 这样每根喷浆管两侧均有钻杆,喷浆管可以向两个钻杆搅拌的土层进行置换填充水泥浆。 Such spray both sides of each drill pipe have, can be replaced with spray pipes filled with grout to a stirred solution of two drill soil.

[0037] 进一步,在所述钻杆下部连接有搅拌头11,搅拌头上设置有叶片12。 [0037] Further, in a lower portion of the drill head 11 is connected with stirring, stirring head 12 is provided with blades. 钻进过程中,搅拌头的叶片搅松土层,并与喷浆管喷出的水泥浆搅拌混合,形成水泥土搅拌桩/墙。 Drilling process, the stirring blade head fluffer soil, and sprayed with spray pipes mixed slurry was stirred to form a cement mixing pile / wall.

[0038] 这个尺寸可以保证相邻钻杆之间转动自由,不干涉,且成桩密集。 [0038] This size ensures free rotation between the adjacent drill pipe, non-interference, and a dense pile. 成桩过程中动力充沛,成桩速度快效果好。 Piling process with plenty of power, good speed into the pile effect. 成桩平面图见图2,一次可以成桩六个,大大提高了施工效率,缩短施工工期。 Pile plan view in Figure 2, one can pile six, greatly improving the efficiency of construction, shorten the construction period.

[0039] 本发明所述的六轴水泥土搅拌桩,能一次同时施工六根水泥土搅拌桩,减少了原单轴或二轴水泥土搅拌桩形成的多道接缝,提高了施工效率,减少了用工量,弥补了三轴搅拌桩置换土多、水灰比大、水泥掺量大等缺陷,缩短施工工期三分之二以上。 [0039] Six-axis according to the present invention soil cement mixing pile, one can simultaneously six mixing pile construction, reducing the original multi-channel uniaxial or biaxial joint cement mixing pile formed, to improve the efficiency of construction, reduced the amount of labor to make up for the three-axis mixing pile soil displacement, large cement ratio and high cement content and other defects, shorten the construction period more than two thirds.

[0040] 以上显示和描述了本发明的基本原理、主要特征和本发明的优点。 [0040] The above and described the principles of the invention, the main features and advantages of the present invention. 本行业的技术人员应该了解,本发明不受上述实例的限制,上述实例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。 The industry the art will appreciate, the present invention is not limited the above example, described in the specification and the above examples are only illustrative of the principles of the present invention, without departing from the spirit and scope of the present invention, various modifications of the present invention, there will inner and improvements, changes and modifications which fall within the scope of the claimed invention. 本发明要求保护范围由所附的权利要求书及其等同物界定。 The scope of the invention as claimed by the appended claims and equivalents thereof defined.

Claims (12)

1.六轴水泥土搅拌桩,水泥土搅拌桩由土和水泥衆搅拌形成,一幅水泥土搅拌墙由多根竖向相互搭接的水泥土搅拌桩组成,多幅水泥土搅拌墙相互搭接形成更长的水泥土搅拌墙,其特征是,每幅水泥土搅拌墙由六根竖向的水泥土搅拌桩组成,六根水泥土搅拌桩同一时间形成,六根水泥土搅拌桩在同一竖直面上,相邻桩体互相搭接;相邻的水泥土搅拌墙相互搭接。 1. The six-axis mixing pile, pile cement mixing and stirring the soil cement all forming a cement mixing a plurality of vertical walls mutually overlapping cement mixing pile composed of, for Multiple take another cement mixing wall form a longer contact cement mixing wall, characterized in that each piece of cement mixing a soil cement wall was stirred six vertical piles composed of six cement mixing pile is formed at the same time, six cement mixing pile in the same vertical plane , the adjacent piles overlap each other; cement mixing wall adjacent to each other overlap.
2.根据权利要求I所述的六轴水泥土搅拌桩,其特征是,相邻的水泥土搅拌墙相互搭接,搭接范围20mm以上。 2. The six-axis stirred soil cement piles of claim I, wherein adjacent cement mixing wall overlap each other, overlapping range above 20mm.
3.根据权利要求I所述的六轴水泥土搅拌桩,其特征是,相邻的水泥土搅拌墙相互搭接,搭接为一根桩重合。 3. The six-axis mixing pile soil cement according to claim I, characterized in that the adjacent cement mixing wall overlap each other, an overlapping of the pile coincident.
4.根据权利要求I所述的六轴水泥土搅拌桩,其特征是,相邻桩体互相搭接,搭接范围20mm以上。 4. The six-axis mixing pile soil cement according to claim I, characterized in that the pile adjacent to each other overlap, the overlapping range of more than 20mm.
5.根据权利要求I所述的六轴水泥土搅拌桩,其特征是,六根水泥土搅拌桩直径相同。 5. The six-axis stirred soil cement piles of claim I, characterized in that the cement mixing pile six same diameter.
6.根据权利要求I所述的六轴水泥土搅拌桩,其特征是,六根水泥土搅拌桩直径各不相同。 6. The six-axis mixing pile soil cement according to claim I, characterized in that the cement mixing pile six different diameters.
7.根据权利要求I所述的六轴水泥土搅拌桩,其特征是,六根水泥土搅拌桩直径部分相同。 7. The six-axis stirred soil cement piles of claim I, characterized in that six portions of the same diameter cement mixing pile.
8.根据权利要求I所述的六轴水泥土搅拌桩,其特征是,水泥土搅拌桩的水灰比^ O. 3。 8. The six-axis mixing pile soil cement according to claim I, characterized in that the water-cement ratio cement mixing pile ^ O. 3.
9.根据权利要求I所述的六轴水泥土搅拌桩,其特征是,水泥土搅拌桩的水泥掺入量彡3%。 9. The six-axis I of the soil cement mixing pile claim, characterized in that the incorporation of cement mixing pile San 3%.
10.根据权利要求I所述的六轴水泥土搅拌桩,其特征是,水泥土搅拌桩的桩长2m以上。 10. The six-axis stirred soil cement piles of claim I, characterized in that the cement mixing pile above the pile length 2m.
11.根据权利要求I所述的六轴水泥土搅拌桩,其特征是,水泥土搅拌桩的直径300_以上。 According to claim I of the six-axis cement mixing pile, characterized in that the cement mixing pile diameter above 300 F.
12.根据权利要求I所述的六轴水泥土搅拌桩,其特征是,两幅相邻的水泥土搅拌墙平行,相互搭接或不搭接。 12. The six-axis stirred soil cement piles of claim I, characterized in that two parallel adjacent walls cement mixing, overlapping each other or overlap.
CN2012104458999A 2012-11-08 2012-11-08 Six-axis cement soil mixing pile CN102943467A (en)

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CN105064349A (en) * 2015-08-09 2015-11-18 刘玉秋 Method for using dual-rectangular combined stirring drilling machine
CN105064344A (en) * 2015-08-09 2015-11-18 张璐 Double-round-combined stirring pile forming machine
CN105421378A (en) * 2015-12-31 2016-03-23 卢兴耐 pi-shaped plug pile mixing and drilling machine

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CN104863129B (en) * 2015-04-12 2016-12-14 重庆晨宇机床制造有限公司 Not rounded agitation driller
CN104863129A (en) * 2015-04-12 2015-08-26 张永忠 Non-circular stirring rig
CN104863138A (en) * 2015-06-05 2015-08-26 赵子健 Hexagonal prism composite cement soil pile machine
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CN104878748A (en) * 2015-06-05 2015-09-02 张璐 Implementation method of pentagonal prism composite soil pile machine
CN104863134B (en) * 2015-06-05 2017-02-08 机械科学研究总院青岛分院 elliptic pile manufacturing device
CN104863142A (en) * 2015-06-05 2015-08-26 张璐 Pentagonal prism composite soil pile machine
CN104863138B (en) * 2015-06-05 2017-02-08 机械科学研究总院青岛分院 Hexagonal prism composite cement soil pile machine
CN105019447B (en) * 2015-08-09 2016-09-14 南通振强机械制造有限公司 Double circle combination stirring pile-formation machines
CN105064344A (en) * 2015-08-09 2015-11-18 张璐 Double-round-combined stirring pile forming machine
CN105019447A (en) * 2015-08-09 2015-11-04 张璐 Double-circle combined stirring pile-forming machine
CN105064349A (en) * 2015-08-09 2015-11-18 刘玉秋 Method for using dual-rectangular combined stirring drilling machine
CN105421378A (en) * 2015-12-31 2016-03-23 卢兴耐 pi-shaped plug pile mixing and drilling machine

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