CN209227551U - The inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor - Google Patents
The inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor Download PDFInfo
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- CN209227551U CN209227551U CN201821984520.0U CN201821984520U CN209227551U CN 209227551 U CN209227551 U CN 209227551U CN 201821984520 U CN201821984520 U CN 201821984520U CN 209227551 U CN209227551 U CN 209227551U
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- inverse
- supporting portion
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- combine
- foundation pit
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- 239000007921 spray Substances 0.000 title claims abstract description 28
- 238000009527 percussion Methods 0.000 title claims abstract description 25
- 239000004567 concrete Substances 0.000 claims abstract description 41
- 230000010412 perfusion Effects 0.000 claims abstract description 23
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 238000007569 slipcasting Methods 0.000 claims description 12
- 238000007596 consolidation process Methods 0.000 claims description 5
- 239000002689 soil Substances 0.000 abstract description 11
- 238000010276 construction Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004927 clay Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to the technical fields of Extra-Deep Foundation Pit, disclose the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor, including foundation pit side being arranged in and be located at below cable inverse makees supporting portion and bored concrete pile supporting portion, it is inverse to make the top that supporting portion is located at bored concrete pile supporting portion, the side of foundation pit is provided with multiple rotary churning piles for being located at cable two sides against supporting portion is made；The inverse supporting portion that makees is filled with the first reinforced concrete structure with the working chamber adjacent with foundation pit in working chamber；Bored concrete pile supporting portion has a plurality of vertically arranged perfusion pile body；In the side of foundation pit, setting is inverse makees supporting portion and bored concrete pile supporting portion, the side of foundation pit is gone along with sb. to guard him jointly with bored concrete pile supporting portion against supporting portion is made, prevent the side wall of foundation pit from collapsing, supporting & stablizing, and rotary churning pile is set in the inverse side for making supporting portion, to stablize the soil body near cable, construction is inverse make supporting portion and bored concrete pile supporting portion when will not influence cable.
Description
Technical field
The utility model relates to the technical fields of Extra-Deep Foundation Pit, the especially inverse deep basal pit for making to combine with Percussion Piles of spray anchor
Building enclosure.
Background technique
Deep basal pit refer to cutting depth be more than 5 meters (containing 5 meters) or three layers of basement or more (containing three layers) though or depth do not surpass
Cross 5 meters, but geological conditions and ambient enviroment and the especially complex engineering of underground utilities.
With rapid development of economy, the case where existing pipeline in underground intrusion subway foundation pit boundary of works area, is commonplace, is
It solves the above problems, it in the prior art can be using the structure of reverse construction as Extra-Deep Foundation Pit.
But it is inverse make the main stress of part inner support supporting on supporting point, it is inverse that make soil pressure suffered by part primarily transverse
Distribution, can not vertically disperse soil pressure, inverse to make that cave-in accident easily occurs at supporting, influence deep pit monitor.
Utility model content
The utility model proposes the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor, it is intended to solve the prior art
In inverse make the problem of cave-in accident easily occurs at supporting construction, influences deep pit monitor.
The utility model is realized in this way the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor, including setting
Foundation pit side and be located at below cable it is inverse make supporting portion and bored concrete pile supporting portion, it is described it is inverse make supporting portion be located at it is described
The top in bored concrete pile supporting portion, it is described inverse to make supporting portion and be provided with far from the side of the foundation pit multiple to be located at cable two
The rotary churning pile of side；The inverse supporting portion that makees is filled with the first reinforcing bar with the working chamber adjacent with foundation pit in the working chamber
Concrete structure；Bored concrete pile supporting portion has a plurality of vertically arranged perfusion pile body.
Further, two rotary churning piles adjacent with cable are downwardly inclined, and opposite placed close together.
Further, the rotary churning pile is double pipe rotary churning pile.
Further, first reinforced concrete structure includes I-steel, the first reinforced mesh, dowel and filling
Concrete in the working chamber.
Further, the two sides of the working chamber are respectively provided with I-steel within the walls, the I-steel, the first reinforced mesh with
And dowel is welded and fixed with the I-steel within the walls respectively.
Further, the working chamber has the inner sidewall adjacent with the rotary churning pile, and the I-steel is covered with setting and exists
On the inner sidewall.
Further, the first reinforced mesh fitting is welded on the I-steel.
Further, it is led between the two sides and the adjacent perfusion pile body of multiple perfusion pile bodies by the way that slip casting is small
Pipe slip casting forms gap consolidation portion.
Further, the perfusion pile body has the outside portion adjacent with foundation pit, and the outside portion is filled with the second reinforcing bar
Concrete structure.
Further, second reinforced concrete structure includes second be fixed on multiple perfusion pile bodies
Reinforced mesh and the concrete being filled in the outside portion.
Compared with prior art, the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor provided by the utility model,
In the side of foundation pit, setting is inverse makees supporting portion and bored concrete pile supporting portion, goes along with sb. to guard him base jointly with bored concrete pile supporting portion against supporting portion is made
The side in hole prevents the side wall of foundation pit from collapsing, supporting & stablizing, and rotary churning pile is arranged in the inverse side for making supporting portion, thus surely
Determine the soil body near cable, construction is inverse make supporting portion and bored concrete pile supporting portion when will not influence cable；It solves existing
Have in technology and inverse to make the problem of cave-in accident easily occurs at supporting construction, influences deep pit monitor.
Detailed description of the invention
Fig. 1 is the vertical of the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor provided by the embodiment of the utility model
Planar structure schematic diagram；
Fig. 2 be the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor provided by the embodiment of the utility model bow to
Planar structure schematic diagram；
Fig. 3 is the whirl spraying of the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor provided by the embodiment of the utility model
The fore-and-aft plane structural schematic diagram of stake；
Fig. 4 is the inverse work of the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor provided by the embodiment of the utility model
The fore-and-aft plane structural schematic diagram in supporting portion；
Fig. 5 is the perfusion of the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor provided by the embodiment of the utility model
Stake supporting portion bows to planar structure schematic diagram；
Fig. 6 is the perfusion of the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor provided by the embodiment of the utility model
The fore-and-aft plane structural schematic diagram in stake supporting portion.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The realization of the utility model is described in detail below in conjunction with specific embodiment.
The same or similar label correspond to the same or similar components in the attached drawing of the present embodiment；In retouching for the utility model
In stating, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute
The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore position pass is described in attached drawing
The term of system only for illustration, should not be understood as the limitation to this patent, for those of ordinary skill in the art and
Speech, can understand the concrete meaning of above-mentioned term as the case may be.
It is preferred embodiment provided by the utility model referring to figs. 1 to shown in Fig. 6.
The utility model proposes the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor, make supporting portion 12 by inverse
And the foundation pit 11 of the common supporting cable 15 in bored concrete pile supporting portion 13 intrusion boundary of works area, it is inverse to make supporting portion 12 and bored concrete pile
Supporting portion 13 combines supporting, prevents the accidents such as collapsing.
The inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor provided in this embodiment, including be arranged in 11 side of foundation pit
Side and it is located at the inverse of the lower section of cable 15 and makees supporting portion 12 and bored concrete pile supporting portion 13, it is inverse to make supporting portion 12 and be located at bored concrete pile branch
The top in shield portion 13 is provided with multiple whirl sprayings for being located at 15 two sides of cable far from the side of foundation pit 11 against supporting portion 12 is made
Stake 14；The inverse supporting portion 12 that makees is filled with the first reinforced concrete with the working chamber 121 adjacent with foundation pit 11 in working chamber 121
Soil structure；Bored concrete pile supporting portion 13 has a plurality of vertically arranged perfusion pile body 131.
In this way, make supporting portion 12 and bored concrete pile supporting portion 13 the setting of the side of foundation pit 11 is inverse, it is inverse make supporting portion 12 with
The side of foundation pit 11 is gone along with sb. to guard him in bored concrete pile supporting portion 13 jointly, prevents the side wall of foundation pit 11 from collapsing, supporting & stablizing, and in inverse work branch
Rotary churning pile 14 is arranged in the side in shield portion 12, to stablize the soil body near cable 15, makees supporting portion 12 and fills construction is inverse
It will not influence cable 15 when infusing stake supporting portion 13.
Specifically, above-mentioned work progress is to dig out working chamber 121 below cable 15 first, and foundation pit 11 excavates simultaneously
To working face identical with 121 bottom of working chamber, constructs above-mentioned perfusion pile body 131 in stable working face, then lead to
The first filling reinforced concrete structure working chamber 121 is crossed, the side wall of its stable supporting foundation pit 11 is made, in this way, not influencing top
In the case where cable 15, stable 11 supporting construction of foundation pit can be obtained.
In addition, two rotary churning piles 14 adjacent with cable 15 are downwardly inclined, and opposite placed close together, it is preferred that cable
The adjacent rotary churning pile 14 in 15 two sides of line and ground are in 45° angle, and arrangement other then perpendicular to the ground is subsequent to reduce to greatest extent
The influence constructed to cable 15.
Above-mentioned rotary churning pile 14 is double pipe rotary churning pile 14, it is preferred that diameter isTo stablize protection top
Cable 15 is unaffected, and above-mentioned double pipe rotary churning pile 14, is constructed by dual tube method in order to obtain, and whirl spraying pipe is pressed into high pressure water
Mud, cement slurry are sprayed from nozzle, directly the impact cutting soil body, reach cement slurry displaced soil mass particle, until meeting design
Be from bottom to top, to be carried out continuously it is required that high pressure jet grouting, if there is machine halt trouble in construction, after fixing, need to
Lower overlap joint is not less than the length of 500mm, to guarantee the globality of induration；Meanwhile for the feature of different geology soil layers, to adopt
Opposite measure is taken to carry out slip casting completion, especially to mud and clay position, deep soil layer, which will suitably slow down, promotes speed and rotation
Speed or raising whirl spraying pressure etc..
In the present embodiment, the first reinforced concrete structure includes I-steel 1213, the first reinforced mesh 1212, dowel
1211 and the concrete that is filled in working chamber 121, to guarantee the inverse stabilization for making supporting portion 12.
Also, the two sides of working chamber 121 are respectively provided with I-steel 1221213 within the walls, I-steel 1213, the first reinforced mesh
1212 and dowel 1211 be welded and fixed respectively with I-steel 1221213 within the walls, stablize the inverse reinforcing bar made in supporting portion 12
It is fixed, specifically, I-steel 1221213 within the walls of 121 two sides of working chamber in order to obtain, need to abolish I-steel in both walls
Protection concrete on 1221213, so that I-steel 1213, the first reinforced mesh 1212 and dowel 1211 stabilization are welded and fixed.
Meanwhile working chamber 121 has the inner sidewall adjacent with rotary churning pile 14, I-steel 1213, which is covered with, to be arranged in inner sidewall
On, expansion bolt can be arranged in and the fixation in order to keep I-steel 1213 more stable on rotary churning pile 14, by expansion bolt with
Work steel welding, stablizes arrangement.
Also, the fitting of the first reinforced mesh 1212 is welded on I-steel 1213, I-steel 1213, the first reinforced mesh
1212 and connector stablize and fix, facilitate subsequent sprinkling filling C25 concrete, the first reinforced concrete structure of formation makes inverse
Make portion and stablizes supporting.
It is formed between the two sides and adjacent perfusion pile body 131 of multiple perfusion pile bodies 131 by slip casting ductule slip casting
Gap consolidation portion 133, the side to avoid perfusion pile body 131 occur gushing mud, keep the side that pile body 131 is perfused solid by cement slurry
Knot in the present embodiment, takes downwards to during more than default substrate, the earthwork is gushed in order to dig place's foundation pit 11 with foundation pit 11
When mud, along the side wall of foundation pit 11, in multiple bored concrete pile two sides and gap towards setting multiple cloth diagonally downward in diaphram wall
The slip casting ductule set, and slip casting, the vertical spacing 1000mm of slip casting ductule infuse dual slurry, realize perfusion 131 two sides of pile body
Consolidation.
In addition, perfusion pile body 131 has the outside portion 132 adjacent with foundation pit 11, outside portion 132 is mixed filled with the second reinforcing bar
Xtah Crude Clay structure is not in phenomena such as gushing mud or collapse to guarantee that the side wall of foundation pit 11 is stablized.
Specifically, the second reinforced concrete structure includes the second steel mesh being fixed on multiple perfusion pile bodies 131
Piece 1321 and the concrete being filled in outside portion 132 obtain the second stable reinforced concrete structure, to stablize supporting,
Preferably, can on perfusion pile body 131 vertically arranged multiple expansion bolts, by the second reinforced mesh 1321 and multiple expansion bolts
It is welded and fixed, guarantees that the second reinforced mesh 1321 is stablized and fix.
Work progress in the present embodiment is as follows:
The side wall of foundation pit 11 is diaphram wall, and the side of diaphram wall is foundation pit 11, the other side of diaphram wall
For 11 outside of foundation pit, comprising the following steps:
(1) it is located at 11 outside of foundation pit, passes through jet groutinl method respectively in 15 two sides of cable and arrange multiple arranged adjacents
Rotary churning pile 14；
(2) below cable 15, the side wall along foundation pit 11 multiple is arranged diagonally downward towards setting in diaphram wall
First slip casting ductule, and slip casting, the earthwork of 15 lower section of consolidation cable, to avoid collapsing；
(3) taking downwards with foundation pit 11, soil digging is rectangular at working chamber 121 in the diaphram wall below cable 15,
And in the face gunite concrete of working chamber 121, the side wall of steady operation chamber 121, drilling plane is formed on the inverse bottom for making portion；
(4) steel reinforcement cage 1311 is installed in bored concrete pile to predeterminated position in the multiple bored concrete piles of drilling plane punching, and be perfused
Concrete obtains multiple perfusion pile bodies 131；
(5) by I-steel 1213, the first reinforced mesh 1212, dowel 1211 respectively it is fixed be placed in it is inverse make in portion, and spray
Penetrate that mixed mud closing is inverse to make portion, the first reinforced concrete structure filled；
(6) taking the earthwork dug out on the outside of multiple bored concrete piles to default substrate downwards with foundation pit 11 makes bored concrete pile exposure shape
At outside portion 132, the second reinforced mesh 1321 is fixedly installed in outer side 132, and sprays mixed mud closing outside portion 132,
The second reinforced concrete structure is obtained, to obtain the inverse foundation pit for making supporting portion 12 Yu bored concrete pile supporting portion 13 in the present embodiment
11 combine supporting construction.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (10)
1. the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor, which is characterized in that including being arranged in foundation pit side and position
Inverse below cable makees supporting portion and bored concrete pile supporting portion, described inverse to make supporting portion and be located at bored concrete pile supporting portion
Top, it is described inverse to make supporting portion the side of the foundation pit is provided with multiple rotary churning piles for being located at cable two sides；Institute
The inverse supporting portion that makees is stated with the working chamber adjacent with foundation pit, and is filled with the first reinforced concrete structure in the working chamber；Institute
Bored concrete pile supporting portion is stated with a plurality of vertically arranged perfusion pile body.
2. the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor as described in claim 1, which is characterized in that with cable
Two adjacent rotary churning piles of line are downwardly inclined, and opposite placed close together.
3. the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor as described in claim 1, which is characterized in that the rotation
Spray stake is double pipe rotary churning pile.
4. the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor as described in any one of claims 1 to 3, feature exist
In first reinforced concrete structure includes I-steel, the first reinforced mesh, dowel and is filled in the working chamber
Concrete.
5. the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor as claimed in claim 4, which is characterized in that the work
The two sides for making chamber are respectively provided with I-steel within the walls, the I-steel, the first reinforced mesh and dowel respectively with it is described within the walls
I-steel is welded and fixed.
6. the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor as claimed in claim 4, which is characterized in that the work
Make chamber with the inner sidewall adjacent with the rotary churning pile, the I-steel, which is covered with, to be arranged on the inner sidewall.
7. the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor as claimed in claim 6, which is characterized in that described the
The fitting of one reinforced mesh is welded on the I-steel.
8. the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor as described in any one of claims 1 to 3, feature exist
In, it is multiple it is described perfusion pile bodies two sides and the adjacent perfusion pile body between by slip casting ductule slip casting formed gap
Consolidation portion.
9. the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor as described in any one of claims 1 to 3, feature exist
In the perfusion pile body has the outside portion adjacent with foundation pit, and the outside portion is filled with the second reinforced concrete structure.
10. the inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor as claimed in claim 9, which is characterized in that described
Second reinforced concrete structure includes the second reinforced mesh being fixed on multiple perfusion pile bodies and is filled in institute
State the concrete in outside portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821984520.0U CN209227551U (en) | 2018-11-28 | 2018-11-28 | The inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821984520.0U CN209227551U (en) | 2018-11-28 | 2018-11-28 | The inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor |
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| Publication Number | Publication Date |
|---|---|
| CN209227551U true CN209227551U (en) | 2019-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821984520.0U Active CN209227551U (en) | 2018-11-28 | 2018-11-28 | The inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor |
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| CN (1) | CN209227551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371979A (en) * | 2018-11-28 | 2019-02-22 | 深圳市市政工程总公司 | The inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor |
-
2018
- 2018-11-28 CN CN201821984520.0U patent/CN209227551U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371979A (en) * | 2018-11-28 | 2019-02-22 | 深圳市市政工程总公司 | The inverse deep footing groove enclosing structure for making to combine with Percussion Piles of spray anchor |
| CN109371979B (en) * | 2018-11-28 | 2024-02-20 | 深圳市政集团有限公司 | Deep foundation pit retaining structure combining jet anchor reverse construction and punching pile |
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Address after: 518000 2001, building 2, chuangxiang building, Oct, North Station community, Minzhi street, Longhua District, Shenzhen, Guangdong Province Patentee after: Shenzhen Municipal Group Co.,Ltd. Country or region after: China Address before: 518109 Guangdong Shenzhen Longhua New District, Longhua street, Heping Road East, dragon science park, science and technology incubator, 6 floor, D and G Patentee before: SHENZHEN MUNICIPAL ENGINEERING Corp. Country or region before: China |