CN109183787A - A kind of forming method of man-made digging pile mould-pipe - Google Patents
A kind of forming method of man-made digging pile mould-pipe Download PDFInfo
- Publication number
- CN109183787A CN109183787A CN201811037467.8A CN201811037467A CN109183787A CN 109183787 A CN109183787 A CN 109183787A CN 201811037467 A CN201811037467 A CN 201811037467A CN 109183787 A CN109183787 A CN 109183787A
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- China
- Prior art keywords
- retaining wall
- bending section
- man
- steel reinforcement
- reinforcement cage
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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
-
- 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
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
-
- 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
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
Abstract
The present invention relates to civil construction project technical fields, disclose a kind of forming method of man-made digging pile mould-pipe.Method includes the following steps: A, earth and stone digging to projected depth, install the first dado template；B, the first retaining wall steel reinforcement cage lower end extension is bent into the first bending section, transfers the first retaining wall steel reinforcement cage, and the first bending section is embedded to and is buried in the earthwork；C, the casting concrete into the first dado template removes the first dado template after concrete coagulation molding；D, earth and stone digging installs the second dado template to projected depth；E, the second retaining wall steel reinforcement cage is transferred, the first bending section straightening of the first retaining wall steel reinforcement cage is overlapped with the upper end of the second retaining wall steel reinforcement cage；F, the second retaining wall of pouring molding.First bending section is embedded to and buries in the earthwork by the way that the first retaining wall steel reinforcement cage lower end extension is bent to the first bending section by the present invention, can be while again easily operated to avoid scratching staff.
Description
Technical field
The present invention relates to civil construction project technical field more particularly to a kind of forming methods of man-made digging pile mould-pipe.
Background technique
When implementing pile foundation engineering under the environment of mountain area, limited by mountain area geology condition, using pile foundation mechanical tapping to machine
The loss of tool itself is big, and construction efficiency is low, and the operation of large-scale construction equipment is also easy to cause traffic jam to mountain area place.
And artificial digging pile has plant simple, and constructing operation is convenient, and occupancy construction site is small, and it is small to surrounding constructure influence,
The advantages that reliable construction quality, can be in full swing construction, shorten the construction period, low cost, so artificial digging pile becomes pile foundation engineering
One of pore-forming mode being commonly used in alpine terrain, suitable for viscous in the less clay of no underground water or underground water, silty
Soil, or containing a small amount of sand, sandy gravel, gravel clay layer.
Artificial digging pile is using the hand digging cubic metre of earth and stone, and merogenesis excavates, the mode of merogenesis supporting, first forms pile body section by section
Then retaining wall places steel reinforcement cage, a kind of construction technology of casting concrete and pile.Before pouring upper section breast wall concrete,
Need to stretch out the lower end of upper section retaining wall vertical reinforcement a part, the prepared upper end with lower section retaining wall vertical reinforcement overlaps.If
Any processing is not done to the reinforcing bar of above-mentioned stretching, it is allowed to be directly exposed in artificial digging pile excavated surface, just there is scratch to exist
The danger of the staff of operation in bottom hole.
Summary of the invention
Based on the above, the purpose of the present invention is to provide a kind of forming methods of man-made digging pile mould-pipe, to solve
Retaining wall vertical reinforcement extension deals with the problem of scratching worker improperly.
In order to achieve the above object, the invention adopts the following technical scheme:
A kind of forming method of man-made digging pile mould-pipe, comprising the following steps:
A, the first retaining wall cubic metre of earth and stone: earth and stone digging to projected depth is excavated, and installs the first dado template；
B, the first retaining wall early-stage preparations: bending to the first bending section for the lower end extension of the first retaining wall steel reinforcement cage, under
The first retaining wall steel reinforcement cage is put, and first bending section is embedded to and is buried in the earthwork；
C, the first retaining wall of pouring molding: the casting concrete into first dado template, after concrete coagulation molding
Remove first dado template；
D, the second retaining wall cubic metre of earth and stone: earth and stone digging to projected depth is excavated, and installs the second dado template；
E, the second retaining wall early-stage preparations: the second retaining wall steel reinforcement cage of decentralization, by the first bending of the first retaining wall steel reinforcement cage
Portion's straightening, and overlapped with the upper end of the second retaining wall steel reinforcement cage；
F, the second retaining wall of pouring molding.
A kind of preferred embodiment of forming method as man-made digging pile mould-pipe, the first retaining wall steel reinforcement cage includes multiple
A segment length is stretched out in first circumferential stirrup and multiple first vertical reinforcements, first vertical reinforcement lower end, is used to form described
First bending section.
A kind of preferred embodiment of forming method as man-made digging pile mould-pipe, first vertical reinforcement are uniformly overlapped on
The outside of described first circumferential stirrup, the described first circumferential stirrup is along first vertical reinforcement longitudinal direction spaced set.
The preferred embodiment of forming method as a kind of man-made digging pile mould-pipe, between adjacent first vertical reinforcement
Circumferential distance is 100-150mm, and the longitudinal pitch between adjacent described first circumferential stirrup is 100-150mm.
A kind of preferred embodiment of forming method as man-made digging pile mould-pipe, first vertical reinforcement and described first
Circumferential stirrup is bound by iron wire.
The upper end of a kind of preferred embodiment of forming method as man-made digging pile mould-pipe, first vertical reinforcement is also set
There is the second bending section, first bending section and second bending section are in U-shape, and first bending section is perpendicular to described
One vertical reinforcement, second bending section are parallel to first vertical reinforcement.
A kind of preferred embodiment of forming method as man-made digging pile mould-pipe, first bending section are biased to described
On the inside or outside of one circumferential stirrup, and first bending section deviates clockwise or counterclockwise and deviation angle
It is all the same.
A kind of preferred embodiment of forming method as man-made digging pile mould-pipe, first bending section and institute after straightening
The upper end for stating the second retaining wall steel reinforcement cage is bound by iron wire.
A kind of preferred embodiment of forming method as man-made digging pile mould-pipe, the length after the straightening of first bending section
No less than 200mm.
A kind of preferred embodiment of forming method as man-made digging pile mould-pipe, the man-made digging pile mould-pipe include multiple
Sequentially connected retaining wall, wherein the retaining wall steel reinforcement cage bottom for being located at a upper section is equipped with first bending section, it is curved by described first
It is connected after pars convoluta straightening with the retaining wall steel reinforcement cage of next section.
The invention has the benefit that
The present invention is by bending to the first bending section for the lower end extension of the first retaining wall steel reinforcement cage, and by described first
Bending section, which is embedded to, buries in the earthwork, can guarantee personnel's life security, together to avoid the staff for scratching the operation in bottom hole
When again it is easily operated.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, institute in being described below to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also implement according to the present invention
The content of example and these attached drawings obtain other attached drawings.
Fig. 1 is the flow chart of the forming method for the man-made digging pile mould-pipe that embodiment of the present invention provides；
Fig. 2 is the cross-sectional view for the first retaining wall that embodiment of the present invention provides；
Fig. 3 is the top cross-sectional view for the first retaining wall that embodiment of the present invention provides；
Fig. 4 is the cross-sectional view that the first retaining wall that embodiment of the present invention provides connects the second retaining wall.
In figure:
The first dado template of 11-；The second dado template of 12-；21- the first retaining wall steel reinforcement cage；The circumferential stirrup of 211- first；
The first vertical reinforcement of 212-；22- the second retaining wall steel reinforcement cage；The circumferential stirrup of 221- second；The second vertical reinforcement of 222-；31- first
Bending section；The second bending section 32-；The first retaining wall of 41-；The second retaining wall of 42-；5- buries the earthwork.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
It will the technical scheme of the embodiment of the invention will be described in further detail in conjunction with attached drawing, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
As shown in Figs 1-4, the present embodiment proposes a kind of forming method of man-made digging pile mould-pipe, is suitable in no underground water
Or the less clay of underground water, silty clay, or containing a small amount of sand, sandy gravel, gravel clay layer geological conditions under, using people
In the technique of work borehole forming pile retaining wall.Method includes the following steps:
1) excavate the first retaining wall cubic metre of earth and stone: artificial digging pile is excavated using merogenesis, the mode of merogenesis supporting.By staff
It holds underground boring tool and excavates the cubic metre of earth and stone to projected depth, the cubic metre of earth and stone dug out is promoted to ground by bottom hole by lifting means.Borehole
There is water burst in Shi Ruguo bottom hole, can first be drained the water in hole with water pump.When borehole to certain depth, setting in also Ying Kong
Air hose, lighting apparatus guarantee that bottom hole ventilation is smooth, allow staff's operation under conditions of bright.First segment artificial digging pile
After the completion of earthwork evacuation, the first dado template 11 is installed, which can choose steel plate, and firm supporting is indeformable, template bottom
Portion and hole subsoil rock layers are in close contact.
Specifically, for the excavation of soil layer, the underground boring tools such as spade, pick can be used；For the excavation of hard soil layer, can adopt
With underground boring tools such as hammer, pricker or pneumatic picks；For hard rock stratum, drilling machine excavation can be used.
Further, before step 1) further include:
True fixed pile: laying Control Survey Triangulation Network for Construction, fixed pile three-dimensional space position is surveyed according to design drawing, determining
Stake holes center is marked with marker on spatial position, which can be timber, crooked chisel or other articles.Three-dimensional space position
It is determined by plane coordinates in SURVEYING CONTROL NETWORK and elevation.
Further, to prevent around stake holes native stone to roll into hole, staff's life security is threatened, also for preventing ground
Table water flows into stake holes, protective device need to be arranged in aperture before borehole, such as baffle or casting concrete are arranged around aperture
Wall.
2) the lower end extension of the first retaining wall steel reinforcement cage 21 the first retaining wall early-stage preparations: is bent into the first bending section
31, the first retaining wall steel reinforcement cage 21 is transferred, then the first bending section 31 is embedded to and is buried in the earthwork 5, which is one layer
Soil, the earthwork is with a thickness of can hide the first bending section 31.
Preferably, the first retaining wall steel reinforcement cage 21 includes the multiple first circumferential stirrups 211 and multiple first vertical reinforcements
212, preferably, the first vertical reinforcement 212 is uniformly overlapped on the outside of the first circumferential stirrup 211, the first 211 edge of circumferential stirrup
The longitudinal spaced set of first vertical reinforcement 212, and the first vertical reinforcement 212 and the first circumferential stirrup 211 are bound by iron wire.
It should be noted that the first retaining wall steel reinforcement cage 21 is wanted in surface facility according to design drawing before transferring bottom hole
It asks and completes in advance, selected bar gauge model also must satisfy the requirement of engineering construction.
Preferably, the circumferential distance between adjacent first vertical reinforcement 212 is 100-150mm, the adjacent first circumferential stirrup
Longitudinal pitch between 211 is 100-150mm.
Further, by the upper-end bent of the first vertical reinforcement 212, the second bending section 32,32 He of the second bending section are formed
First bending section 31 is in U-shape, and the first bending section 31 is parallel to first perpendicular to the first vertical reinforcement 212, the second bending section 32
Vertical reinforcement 212.Other than bending section is arranged to U-shaped, other shapes, such as V-arrangement can also be arranged to, it is rectangular, it is trapezoidal etc.,
The bending section of vertical reinforcement can catch on circumferential stirrup, securely fix vertical reinforcement with circumferential stirrup.
Further, the first bending section 31 can be biased to the first circumferential 211 inner or outer side of stirrup, along clockwise direction
Or counter clockwise direction deviates and deviation angle is all the same.In the present embodiment preferably, the first circumferential direction is biased in the first bending section 31
The inside of stirrup 211, and deviate in the counterclockwise direction, as shown in Figure 2.
Further, the length after 31 straightening of the first bending section is no less than 200mm, and in the present embodiment preferably, first is curved
Length after 31 straightening of pars convoluta is 300mm.
3) the first retaining wall of pouring molding: the casting concrete into the first dado template 11 is torn open after concrete coagulation molding
Except the template.
4) it excavates the second retaining wall cubic metre of earth and stone: continuing downward earth and stone digging to projected depth, and install the second dado template
12。
5) the second retaining wall early-stage preparations: the second retaining wall steel reinforcement cage 22 of decentralization, by the first bending of the first retaining wall steel reinforcement cage 21
31 straightening of portion, and overlapped with the upper end of the second retaining wall steel reinforcement cage 22, then the first bending section 31 of the second retaining wall steel reinforcement cage 22 is buried
Enter into the burial earthwork 5 of lower layer.
Further, the second retaining wall steel reinforcement cage 22 is identical as 21 structure of the first retaining wall steel reinforcement cage, equally includes multiple circumferential directions
Stirrup and multiple vertical reinforcements, vertical reinforcement are uniformly overlapped on the outside of ring-shaped stirrup, and vertically reinforcing bar is longitudinal etc. for ring-shaped stirrup
Spacing setting, and vertical reinforcement and ring-shaped stirrup are bound by iron wire.
Further, the first bending section 31 after straightening and the second retaining wall steel reinforcement cage 22 are bound by iron wire.
6) the second retaining wall of pouring molding 42.
Man-made digging pile mould-pipe can also include more piece retaining wall, and such as the second retaining wall 42 can be positioned below third retaining wall, the
Three retaining walls can be positioned below the 4th retaining wall, and so on；The set-up mode of above-mentioned each retaining wall is the retaining wall reinforcing bar of a upper section
Cage bottom portion is equipped with the first bending section 31, according to the method described above by after 31 straightening of the first bending section of upper section retaining wall with lower section retaining wall
Steel reinforcement cage connection, then saves retaining wall, each retaining wall is in turn connected to form man-made digging pile mould-pipe under pouring molding.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of forming method of man-made digging pile mould-pipe, which comprises the following steps:
A, the first retaining wall cubic metre of earth and stone: earth and stone digging to projected depth is excavated, and installs the first dado template (11)；
B, the lower end extension of the first retaining wall steel reinforcement cage (21) the first retaining wall early-stage preparations: is bent into the first bending section
(31), the first retaining wall steel reinforcement cage (21) is transferred, and first bending section (31) is embedded to and is buried in the earthwork (5)；
C, the first retaining wall of pouring molding: to the interior casting concrete of first dado template (11), after concrete coagulation molding
Remove first dado template (11)；
D, the second retaining wall cubic metre of earth and stone: earth and stone digging to projected depth is excavated, and installs the second dado template (12)；
E, the second retaining wall early-stage preparations: the second retaining wall steel reinforcement cage (22) of decentralization, by the first of the first retaining wall steel reinforcement cage (21)
Bending section (31) straightening, and overlapped with the upper end of the second retaining wall steel reinforcement cage (22)；
F, the second retaining wall of pouring molding (42).
2. the forming method of man-made digging pile mould-pipe according to claim 1, which is characterized in that the first retaining wall reinforcing bar
Cage (21) includes the multiple first circumferential stirrups (211) and multiple first vertical reinforcements (212), first vertical reinforcement (212)
A segment length is stretched out in lower end, is used to form first bending section (31).
3. the forming method of man-made digging pile mould-pipe according to claim 2, which is characterized in that first vertical reinforcement
(212) it is uniformly overlapped on the outside of the described first circumferential stirrup (211), the described first circumferential stirrup (211) is perpendicular along described first
To the longitudinal spaced set of reinforcing bar (212).
4. the forming method of man-made digging pile mould-pipe according to claim 3, which is characterized in that adjacent described first is vertical
Circumferential distance between reinforcing bar (212) is 100-150mm, and the longitudinal pitch between adjacent described first circumferential stirrup (211) is
100-150mm。
5. according to the forming method of man-made digging pile mould-pipe described in claim 2-4 any claim, which is characterized in that institute
It states the first vertical reinforcement (212) and the first circumferential stirrup (211) is bound by iron wire.
6. the forming method of man-made digging pile mould-pipe according to claim 2, which is characterized in that first vertical reinforcement
(212) upper end is additionally provided with the second bending section (32), and first bending section (31) and second bending section (32) are in U
Shape, perpendicular to first vertical reinforcement (212), second bending section (32) is parallel to described first bending section (31)
First vertical reinforcement (212).
7. the forming method of man-made digging pile mould-pipe according to claim 2, which is characterized in that first bending section
(31) it is biased on the inside or outside of the described first circumferential stirrup (211), and first bending section (31) is along clockwise direction
Or counter clockwise direction deviates and deviation angle is all the same.
8. the forming method of man-made digging pile mould-pipe according to claim 1, which is characterized in that described first after straightening
Bending section (31) and the upper end of the second retaining wall steel reinforcement cage (22) are bound by iron wire.
9. the forming method of man-made digging pile mould-pipe according to claim 1, which is characterized in that first bending section
(31) length after straightening is no less than 200mm.
10. the forming method of man-made digging pile mould-pipe according to claim 1, which is characterized in that the artificial digging pile
Retaining wall includes multiple sequentially connected retaining walls, wherein the retaining wall steel reinforcement cage bottom for being located at a upper section is equipped with first bending section
(31), will be connected after the first bending section (31) straightening with the retaining wall steel reinforcement cage of next section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811037467.8A CN109183787A (en) | 2018-09-06 | 2018-09-06 | A kind of forming method of man-made digging pile mould-pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811037467.8A CN109183787A (en) | 2018-09-06 | 2018-09-06 | A kind of forming method of man-made digging pile mould-pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109183787A true CN109183787A (en) | 2019-01-11 |
Family
ID=64915063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811037467.8A Pending CN109183787A (en) | 2018-09-06 | 2018-09-06 | A kind of forming method of man-made digging pile mould-pipe |
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| CN (1) | CN109183787A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106867A (en) * | 2019-05-10 | 2019-08-09 | 中铁六局集团有限公司 | Manual digging pile construction method between railcar station track |
| CN110258538A (en) * | 2019-06-21 | 2019-09-20 | 中国十七冶集团有限公司 | A kind of soil nailing reinforces buffer-type artificial digging pile and its construction method |
| CN112176992A (en) * | 2020-10-12 | 2021-01-05 | 西南交通大学 | Construction method of manual hole digging pile and manual hole digging pile |
| CN114622550A (en) * | 2022-03-04 | 2022-06-14 | 中铁二局第四工程有限公司 | Assembled steel retaining wall for manual hole digging pile and construction method thereof |
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| CN103572764A (en) * | 2013-10-15 | 2014-02-12 | 中国建筑第二工程局有限公司 | Watertight structure for retaining wall of ultra-deep manually excavated pile and construction method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106867A (en) * | 2019-05-10 | 2019-08-09 | 中铁六局集团有限公司 | Manual digging pile construction method between railcar station track |
| CN110258538A (en) * | 2019-06-21 | 2019-09-20 | 中国十七冶集团有限公司 | A kind of soil nailing reinforces buffer-type artificial digging pile and its construction method |
| CN110258538B (en) * | 2019-06-21 | 2021-04-13 | 中国十七冶集团有限公司 | Soil nail reinforced buffer type manual hole digging pile and construction method thereof |
| CN112176992A (en) * | 2020-10-12 | 2021-01-05 | 西南交通大学 | Construction method of manual hole digging pile and manual hole digging pile |
| CN114622550A (en) * | 2022-03-04 | 2022-06-14 | 中铁二局第四工程有限公司 | Assembled steel retaining wall for manual hole digging pile and construction method thereof |
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Application publication date: 20190111 |