CN105821887A - Installing method for stand column pile constructed in pebble bed - Google Patents
Installing method for stand column pile constructed in pebble bed Download PDFInfo
- Publication number
- CN105821887A CN105821887A CN201610209396.XA CN201610209396A CN105821887A CN 105821887 A CN105821887 A CN 105821887A CN 201610209396 A CN201610209396 A CN 201610209396A CN 105821887 A CN105821887 A CN 105821887A
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- China
- Prior art keywords
- stand column
- column pile
- vertical
- pile
- supporting plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
Abstract
The invention discloses an installing method for a stand column pile constructed in a pebble bed and aims at providing the installing method for the stand column pile constructed in the pebble bed; and by means of the installing method, construction of the stand column pile in the pebble bed can be well finished, the requirements for vertical loads and bending moment transferred from a horizontal supporting beam in a stand column pile bearing foundation pit can be met, and replacement soil generated in the canal type cutting cemented soil continuous wall or cemented soil stirring pile construction process can also be utilized. The installing method sequentially comprises the following steps that A, vertical trepanning is conducted on the bottom face of the foundation pit through a drilling device to form a stand column pile hole; B, the stand column pile is arranged in the stand column pile hole; and C, in the canal type cutting cemented soil continuous wall or cemented soil stirring pile construction process, the replacement soil generated in the canal type cutting cemented soil continuous wall or cemented soil stirring pile construction process is poured in the stand column pile hole.
Description
Technical field
The present invention relates to a kind of stand column pile installation method, be specifically related to a kind of stand column pile installation method of construction boulder bed be applicable to application during canal formula cutting cement soil continuous wall or cement-soil stirring pile construction.
Background technology
In order to ensure underground structure and the safety of foundation ditch surrounding enviroment, need in safeguard procedures such as foundation pit side-wall and employing support, reinforcings around.Building foundation pit supporting generally include around margin of foundation pit arrange enclose purlin beam and the some horizontal shore enclosed between purlin beam and stand column pile of being arranged on are constituted.Stand column pile is provided with support supporting piece and is connected and constitutes supporter, for supporting vertical load and the moment of flexure that horizontal shore in foundation ditch transmits.
The stand column pile of foundation ditch is typically with shaped steel composition at present, and uses the mode of piling to constitute, in shaped steel is pressed into foundation ditch, the stand column pile being used for supporting horizontal shore；But for having boulder bed, in the foundation ditch especially in the presence of the more continental deposit stratum being more than 30 centimetres of erratic boulders, current this stand column pile construction method is difficult to apply, and inadequate construction is also difficult to ensure that the stability of stand column pile.In view of this, how to design a kind of can preferably boulder bed and be mixed with erratic boulder stratum in carry out the construction of stand column pile be necessary.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, a kind of stand column pile installation method of construction in boulder bed is provided, its stand column pile that can not only preferably complete to construct in boulder bed, meets the vertical load that transmits of horizontal shore and the requirement of moment of flexure in stand column pile supporting foundation ditch；The displacement soil produced during canal formula cutting cement soil continuous wall or cement-soil stirring pile construction can also be used, beneficially environmental protection, save the energy and resource.
The technical scheme is that
A kind of stand column pile installation method of construction in boulder bed, comprises the following steps successively:
A: use rig to carry out vertical perforate in foundation ditch bottom surface and form column stake holes；
B: stand column pile is placed in column stake holes；
C: during canal formula cutting cement soil continuous wall or cement-soil stirring pile construction, is filled into the displacement soil produced during canal formula cutting cement soil continuous wall or cement-soil stirring pile construction in column stake holes.
The stand column pile installation method that this programme is constructed in boulder bed can not only preferably complete construction stand column pile in boulder bed, and the beneficially environmental protection that the displacement soil produced during canal formula cutting cement soil continuous wall or cement-soil stirring pile construction can be used, save the energy and resource.
The more important thing is, owing to containing cobble, sand and the clay in the layer of original place during the displacement of generation is native not only during canal formula cutting cement soil continuous wall or cement-soil stirring pile construction, and the cement (cement content reaches to replace soil mass percent 20%-25%, and cement stirs with cobble, sand and clay) containing canal formula cutting cement soil continuous wall or cement mixing method；Compared with common concrete, this displacement soil not only has the thickness consolidation of cement, and replace the cobble in soil and also there is certain skeletal support effect, thus the stanchion that can oppose after displacement soil solidification forms reliable fastening and i.e. supports, thus the vertical load that in effectively supporting foundation ditch, horizontal shore transmits and moment of flexure.
As preferably, stand column pile is the square tube that cross section is square, described stand column pile is provided with the vertical auxiliary support mechanism of rotary and telescopic, the vertical auxiliary support mechanism of described rotary and telescopic includes the vertical axles being rotatably provided in stand column pile and two telescoping support structures being arranged on stand column pile bottom, and two telescoping support symmetrical configuration be distributed in the opposite sides of vertical axles, described telescoping support structure includes the vertical supporting plate being arranged in stand column pile bottom, some transverse horizontal gripper shoes being sequentially distributed from bottom to top on vertical supporting plate and some be arranged on stand column pile side and with transverse horizontal gripper shoe guide through hole one to one, described vertical supporting plate is paralleled with the stand column pile side at guide through hole place, the end of described transverse horizontal gripper shoe is through corresponding guide through hole；Described vertical axles is provided with at least one expanding structure, and expanding structure is between the vertical supporting plate of two telescoping support structures, and expanding structure includes two triatic stays being arranged in vertical axles, and two triatic stays are symmetrically distributed in vertical axles both sides；A1 step is also included between described step A and step B:
A1: rotate vertical axles and make triatic stay parallel with vertical supporting plate, then elapses transverse horizontal gripper shoe, till vertical supporting plate is resisted against in vertical axles in stand column pile；
After described step C further comprising the steps of:
D: rotate vertical axles and triatic stay, by triatic stay, vertical supporting plate is strutted, thus by transverse horizontal gripper shoe toward extrapolated, till vertical supporting plate is resisted against the medial surface of stand column pile.
As preferably, the upper end of vertical axles is positioned at the top of stand column pile, in vertical axles, is positioned at the horizontal inserted link through hole that is arranged over of stand column pile, is inserted with action bars in described horizontal inserted link through hole.
As preferably, being provided with vertical axle sleeve in the top of stand column pile, be provided with lower vertical axle sleeve bottom stand column pile, described vertical axles is plugged in vertical axle sleeve and lower vertical axle sleeve.
As preferably, the top of stand column pile is provided with the support pressure pin perpendicular with stand column pile.
The invention has the beneficial effects as follows: can not only preferably complete to construct stand column pile in boulder bed, meet the vertical load that transmits of horizontal shore and the requirement of moment of flexure in stand column pile supporting foundation ditch；The displacement soil produced during canal formula cutting cement soil continuous wall or cement-soil stirring pile construction can also be used, beneficially environmental protection, save the energy and resource.
Accompanying drawing explanation
Fig. 1 is that the neutral stanchion of the embodiment of the present invention 1 uses the stand column pile installation method of construction in boulder bed to install latter configuration schematic diagram.
Fig. 2 is a kind of structural representation after the transverse horizontal gripper shoe of the stand column pile of the embodiment of the present invention 2 is moved inside.
Fig. 3 is that the transverse horizontal gripper shoe of the stand column pile of the embodiment of the present invention 2 is toward a kind of structural representation after overhanging.
Fig. 4 is that the stand column pile of the embodiment of the present invention 2 uses the stand column pile installation method of construction in boulder bed to install latter configuration schematic diagram.
In figure: stand column pile 1, displacement soil 2, support pressure pin 3, action bars 4, upper vertical axle sleeve 5, vertical axles 6, triatic stay 7, telescoping support structure 8, vertical supporting plate 81, transverse horizontal gripper shoe 82, lower vertical axle sleeve 9.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings:
Embodiment 1: as it is shown in figure 1, a kind of stand column pile installation method constructed in boulder bed includes stand column pile 1.The top of stand column pile is provided with the support pressure pin 3 perpendicular with stand column pile.
In boulder bed, the stand column pile installation method of construction comprises the following steps successively:
A: use rig to carry out vertical perforate in foundation ditch bottom surface and form column stake holes.
B: stand column pile is placed in column stake holes, and between the bottom surface of the lower end of stand column pile and column stake holes, there is gap.
C: during canal formula cutting cement soil continuous wall or cement-soil stirring pile construction, is filled into the displacement soil 2 produced during canal formula cutting cement soil continuous wall or cement-soil stirring pile construction in column stake holes.
Embodiment 2: a kind of stand column pile installation method constructed in boulder bed includes stand column pile.As shown in Figure 2, Figure 4 shows, the top of stand column pile is provided with the support pressure pin 3 perpendicular with stand column pile.Stand column pile is the square tube that cross section is square.Stand column pile is provided with the vertical auxiliary support mechanism of rotary and telescopic.The vertical auxiliary support mechanism of rotary and telescopic includes the vertical axles 6 that is rotatably provided in stand column pile and two telescoping support structures 8 being arranged on stand column pile bottom, and two telescoping support symmetrical configuration are distributed in the opposite sides of vertical axles.Vertical axle sleeve 5 it is provided with in the top of stand column pile.Lower vertical axle sleeve 9 it is provided with bottom stand column pile.Vertical axles is plugged in vertical axle sleeve and lower vertical axle sleeve.The upper end of vertical axles is positioned at the top of stand column pile.In vertical axles, be positioned at stand column pile be arranged over horizontal inserted link through hole.It is inserted with action bars 4 in horizontal inserted link through hole.
Telescoping support structure include the vertical supporting plate 81 being arranged in stand column pile bottom, some transverse horizontal gripper shoes 82 being sequentially distributed from bottom to top on vertical supporting plate and some be arranged on stand column pile side and with transverse horizontal gripper shoe guide through hole one to one.Vertical supporting plate is paralleled with the stand column pile side at guide through hole place.The transverse horizontal gripper shoe of same telescoping support structure and vertical axles are positioned at the opposite sides of vertical supporting plate.The end of transverse horizontal gripper shoe is through corresponding guide through hole.
Vertical axles is provided with two expanding structures.Expanding structure is between the vertical supporting plate of two telescoping support structures.Expanding structure includes two triatic stays being arranged in vertical axles 7, and two triatic stays are symmetrically distributed in vertical axles both sides.
The stand column pile installation method of construction in boulder bed of the present embodiment, comprises the following steps successively:
A: use rig to carry out vertical perforate in foundation ditch bottom surface and form column stake holes.
A1: make triatic stay parallel with vertical supporting plate as in figure 2 it is shown, rotate vertical axles by action bars, then elapses transverse horizontal gripper shoe, till vertical supporting plate is resisted against in vertical axles in stand column pile.
B: stand column pile is placed in column stake holes；The bottom of stand column pile is positioned between stand column pile hole, and the bottom surface of the lower end of stand column pile and column stake holes and has gap.
C: during canal formula cutting cement soil continuous wall or cement-soil stirring pile construction, is filled into the displacement soil produced during canal formula cutting cement soil continuous wall or cement-soil stirring pile construction in column stake holes.
As shown in Figure 2, owing in step C, transverse horizontal gripper shoe elapses in stand column pile, making most transverse horizontal gripper shoe be positioned at stand column pile, so during perfusion displacement soil arrives in column stake holes, column stake holes can be sufficient filling with by displacement soil smoothly；Ensure that opposition stanchion forms fastening reliably；Avoid making because of the stop of transverse horizontal gripper shoe displacement soil cannot be sufficient filling with column stake holes (when area that especially transverse horizontal gripper shoe is positioned at outside stand column pile is bigger, impact is bigger), make to replace the soil stanchion that cannot oppose and form reliably fastening, cause the problem that the ability of vertical load that horizontal shore in stand column pile supporting foundation ditch transmits and moment of flexure reduces.
D: rotate vertical axles and triatic stay by action bars, by triatic stay, vertical supporting plate is strutted, thus by transverse horizontal gripper shoe toward extrapolated, till vertical supporting plate is resisted against the medial surface of stand column pile；Then take out action bars.
As shown in Figure 3, Figure 4, it has been sufficient filling with column stake holes owing to step C being replaced soil, now, by rotating vertical axles and triatic stay by transverse horizontal gripper shoe toward extrapolated in D step, and has embedded in displacement soil；On the premise of so can being sufficient filling with column stake holes ensureing displacement soil, the area making the horizontal supporting plate of stand column pile outer (being positioned at column stake holes) increases as far as possible, thus the vertical load that in improving stand column pile supporting foundation ditch greatly, horizontal shore transmits and the ability of moment of flexure.
Claims (5)
1. a stand column pile installation method for construction in boulder bed, is characterized in that, comprise the following steps successively:
A: use rig to carry out vertical perforate in foundation ditch bottom surface and form column stake holes；
B: stand column pile is placed in column stake holes；
C: during canal formula cutting cement soil continuous wall or cement-soil stirring pile construction, is filled into the displacement soil produced during canal formula cutting cement soil continuous wall or cement-soil stirring pile construction in column stake holes.
nullA kind of stand column pile installation method of construction in boulder bed the most according to claim 1，It is characterized in that，Described stand column pile is the square tube that cross section is square，Described stand column pile is provided with the vertical auxiliary support mechanism of rotary and telescopic，The vertical auxiliary support mechanism of described rotary and telescopic includes the vertical axles being rotatably provided in stand column pile and two telescoping support structures being arranged on stand column pile bottom，And two telescoping support symmetrical configuration be distributed in the opposite sides of vertical axles，Described telescoping support structure includes the vertical supporting plate being arranged in stand column pile bottom、Some transverse horizontal gripper shoes being sequentially distributed from bottom to top on vertical supporting plate and some be arranged on stand column pile side and with transverse horizontal gripper shoe guide through hole one to one，Described vertical supporting plate is paralleled with the stand column pile side at guide through hole place，The end of described transverse horizontal gripper shoe is through corresponding guide through hole；Described vertical axles is provided with at least one expanding structure, and expanding structure is between the vertical supporting plate of two telescoping support structures, and expanding structure includes two triatic stays being arranged in vertical axles, and two triatic stays are symmetrically distributed in vertical axles both sides；A1 step is also included between described step A and step B:
A1: rotate vertical axles and make triatic stay parallel with vertical supporting plate, then elapses transverse horizontal gripper shoe, till vertical supporting plate is resisted against in vertical axles in stand column pile；
After described step C further comprising the steps of:
D: rotate vertical axles and triatic stay, by triatic stay, vertical supporting plate is strutted, thus by transverse horizontal gripper shoe toward extrapolated, till vertical supporting plate is resisted against the medial surface of stand column pile.
A kind of stand column pile installation method of construction in boulder bed the most according to claim 2, it is characterized in that, the upper end of described vertical axles is positioned at the top of stand column pile, in vertical axles, is positioned at the horizontal inserted link through hole that is arranged over of stand column pile, is inserted with action bars in described horizontal inserted link through hole.
4. according to a kind of stand column pile installation method of construction in boulder bed described in Claims 2 or 3, it is characterized in that, being provided with vertical axle sleeve in the top of described stand column pile, be provided with lower vertical axle sleeve bottom stand column pile, described vertical axles is plugged in vertical axle sleeve and lower vertical axle sleeve.
5. according to a kind of stand column pile installation method of construction in boulder bed described in claim 1 or 2 or 3, it is characterized in that, the top of described stand column pile is provided with the support pressure pin perpendicular with stand column pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610209396.XA CN105821887B (en) | 2016-04-05 | 2016-04-05 | A kind of stand column pile installation method constructed in boulder bed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610209396.XA CN105821887B (en) | 2016-04-05 | 2016-04-05 | A kind of stand column pile installation method constructed in boulder bed |
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| CN105821887A true CN105821887A (en) | 2016-08-03 |
| CN105821887B CN105821887B (en) | 2017-09-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545012A (en) * | 2016-10-21 | 2017-03-29 | 开普天（上海）国际贸易有限公司 | Steel column guide pipe insertion technique |
| CN109371990A (en) * | 2018-11-12 | 2019-02-22 | 贵州大学 | A kind of mine slope supporting increasing fastness |
| CN113216199A (en) * | 2021-03-28 | 2021-08-06 | 范俊峰 | Pile beam vertical anchor supporting structure for foundation pit supporting |
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| CN1391010A (en) * | 2002-07-25 | 2003-01-15 | 上海隧道工程股份有限公司 | Technology for building up vertical column pile by insertion method |
| CN103352457A (en) * | 2013-07-20 | 2013-10-16 | 陈炯辉 | Soft foundation reinforcing method |
| CN104532843A (en) * | 2014-12-26 | 2015-04-22 | 中国一冶集团有限公司 | Method for positioning and straightening steel stand column of stand column pile |
| CN104652445A (en) * | 2013-11-22 | 2015-05-27 | 中冶天工上海十三冶建设有限公司 | Pile and column steel latticed column location device for deep foundation pits and construction method for location device |
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2016
- 2016-04-05 CN CN201610209396.XA patent/CN105821887B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002180457A (en) * | 2000-12-11 | 2002-06-26 | Kubota Corp | Processing method for constructional sludge |
| CN1391010A (en) * | 2002-07-25 | 2003-01-15 | 上海隧道工程股份有限公司 | Technology for building up vertical column pile by insertion method |
| CN103352457A (en) * | 2013-07-20 | 2013-10-16 | 陈炯辉 | Soft foundation reinforcing method |
| CN104652445A (en) * | 2013-11-22 | 2015-05-27 | 中冶天工上海十三冶建设有限公司 | Pile and column steel latticed column location device for deep foundation pits and construction method for location device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545012A (en) * | 2016-10-21 | 2017-03-29 | 开普天（上海）国际贸易有限公司 | Steel column guide pipe insertion technique |
| CN109371990A (en) * | 2018-11-12 | 2019-02-22 | 贵州大学 | A kind of mine slope supporting increasing fastness |
| CN113216199A (en) * | 2021-03-28 | 2021-08-06 | 范俊峰 | Pile beam vertical anchor supporting structure for foundation pit supporting |
| CN113216199B (en) * | 2021-03-28 | 2022-10-04 | 山东正元建设工程有限责任公司 | Pile beam vertical anchor supporting structure for foundation pit supporting |
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| CN105821887B (en) | 2017-09-26 |
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Address after: 310000 Room 1101, 6 Blocks, Chuangzhi Green Valley Development Center, Jianggan District, Hangzhou City, Zhejiang Province Patentee after: Dongtong Geotechnical Technology Co., Ltd. Address before: 310000 East Hangzhou Building, 59 Chengxing Road, Jianggan District, Hangzhou City, Zhejiang Province, 27th Floor Patentee before: Dongtong Geotechnical Technology (Hangzhou) Co., Ltd. |
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