CN208379605U - Deep foundation pit supporting structure - Google Patents
Deep foundation pit supporting structure Download PDFInfo
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- CN208379605U CN208379605U CN201820780486.9U CN201820780486U CN208379605U CN 208379605 U CN208379605 U CN 208379605U CN 201820780486 U CN201820780486 U CN 201820780486U CN 208379605 U CN208379605 U CN 208379605U
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- steel pipe
- baffle
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- anchor pole
- foundation pit
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Abstract
The utility model discloses deep foundation pit supporting structures, it include: lower part supporting construction, it includes the first steel pipe of the horizontal bottom for being set to excavation slope, first steel pipe is communicated with more first anchor poles, in the vertical injection soil layer in the bottom of the lower end edge excavation slope of first anchor pole, the top of first anchor pole extends upwardly to outside the bottom solum of excavation slope, and the inboard, upright of more first anchor poles is equipped with first baffle；Top supporting construction comprising the inclined-plane compartment second baffle disposed in parallel with excavation slope, and the bottom of the second baffle is equipped with chamfering, the chamfering fits closely the inner sidewall at the top of first baffle；Branch sheath is formed by the concrete in the gap that is filled between the first baffle, second baffle and the soil body of foundation pit.The utility model generates sliding unstable phenomenon and causes security risk with simple and stable structure, stress equalization, economical rationality, practical advantage, the side slope that can effectively prevent deep basal pit.
Description
Technical field
The utility model relates to building engineering fields.More specifically, the utility model relates to deep foundation pit supporting structures.
Background technique
Urban architecture is usually directed to a large amount of base pit engineering, the either deep-foundation pit engineering of skyscraper or subway, more
Positioned at city busy areas, the mating relative maturity in periphery, substantially in place, construction cannot cause surrounding building for road construction
It destroys；Construction area reserved space is narrow, and geological environment is complicated, and deep foundation pit construction limitation is big, and quality control on construction, safety are protected
Card, organization arrangement's difficulty are big, and since pattern foundation pit supporting structure is generally interim measure, the safety stock of supporting construction is smaller, risk
Greatly, the economic indicator of base pit engineering is harsh, ambient enviroment is required it is stringent, the contradiction of the provisional and economy of base pit engineering compared with
For protrusion.
At present for Slope Supporting of Deep Excavation, more anchor poles, dowel beam etc. is arranged in general use in side slope, and in anchor
Cement mortar is filled up between bar, dowel beam and bolthole, it is ensured that anchor pole, dowel beam and the discrete rock mass in periphery or native stone consolidation string
It connects together, and in side slope surface spray steel fibre reinforced concrete to achieve the purpose that stability of slope.But the foundation pit in soft clay area
In engineering, side slope is easy to produce sliding unstable phenomenon after meeting water, and traditional supporting construction is difficult to that slope surface is prevented to slide, especially pushes up
Portion's soil body, this brings serious security risk to base pit engineering.
Utility model content
The purpose of the utility model is to provide deep foundation pit supporting structures, by the way that steel is arranged in the side slope of deep basal pit and bottom position
Pipe and more anchor poles be connected to steel pipe, and by anchor pole injection soil layer, while in the inside of anchor pole and steel pipe setting baffle, and
Fill concrete branch sheath prevents slope failure shadow to realize the solidification and support on side slope surface between baffle and the soil body
Ring construction safety.
In order to realize these purposes and other advantages according to the present utility model, deep foundation pit supporting structure is provided, comprising:
Lower part supporting construction comprising level is set to the first steel pipe of the bottom of excavation slope, the first steel pipe connection
There are more first anchor poles, in the vertical injection soil layer in the bottom of the lower end edge excavation slope of first anchor pole, first anchor pole
Top extend upwardly to outside the bottom solum of excavation slope；The top of more first anchor poles is also communicated with the second steel pipe, and more
The inboard, upright of first anchor pole is equipped with first baffle, and the second steel pipe and the are close in the top and bottom of the first baffle respectively
One steel pipe；
Top supporting construction comprising the inclined-plane compartment second baffle disposed in parallel with excavation slope, and described
The bottom of two baffles is equipped with chamfering, and the chamfering fits closely the inner sidewall at the top of first baffle；The top of the second baffle
The lateral wall in portion is additionally provided with third steel pipe, and the third steel pipe is communicated with more 4th anchor poles, and the lower end of the 4th anchor pole is hung down
Directly in the inclined-plane of excavation slope simultaneously its soil layer of injection, the top of the 4th anchor pole is upward through the second baffle and extends
To the outside of third steel pipe；
Branch sheath, by the coagulation in the gap that is filled between the first baffle, second baffle and the soil body of foundation pit
Soil is formed.
Preferably, further includes: the second anchor pole is more, and is connected to the first steel pipe, under second anchor pole
Along the bottom level injection soil layer of excavation slope, the top of second anchor pole extends out to the outside of the first steel pipe at end.
Preferably, further includes: third anchor pole is more, and is connected to the second steel pipe, under the third anchor pole
In the soil layer for holding horizontal injection excavation slope, the top of the third anchor pole extends out to the outside of the second steel pipe.
Preferably, the third steel pipe is parallel to the setting of the second steel pipe, and multiple 4th anchor poles are along third steel pipe
Length direction uniform intervals setting.
Preferably, more first anchor poles are arranged along the length direction uniform intervals of the first steel pipe and the second steel pipe, and more
Second anchor pole is also arranged along the length direction uniform intervals of the first steel pipe, and more second anchor poles and more first anchor poles are along first
The length direction of steel pipe is staggered.
Preferably, more third anchor poles are arranged along the length direction uniform intervals of the second steel pipe, and more third anchor poles
It is staggered with more first anchor poles along the length direction of the second steel pipe.
The utility model is include at least the following beneficial effects:
1, Slope Supporting of Deep Excavation structure described in the utility model, by setting anchor pole and baffle in deep foundation pit slope, and
Branch sheath is filled between baffle and the soil body, the soil body on side slope surface is solidified, while with the first anchor of the vertical injection soil body
Bar side slope structure and branch sheath are supported, it is ensured that the stability of side slope surface texture prevents slope surface from generating sliding；
2, Slope Supporting of Deep Excavation structure described in the utility model, the uniformly corresponding steel pipe connection of the top of anchor pole, anchor pole
Lower end distinguish the injection soil body, structure is more stable, and stress is more balanced, and injects simultaneously into anchor pole using steel pipe mixed
Solidifying soil, it is easy to operate；
3, Slope Supporting of Deep Excavation structure described in the utility model is simple, economical rationality, has very strong practicability.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the side structure schematic diagram of the utility model；
Fig. 2 is the positive structure schematic of the utility model.
Description of symbols:
The first steel pipe of 1-；The first anchor pole of 2-；The second anchor pole of 3-；4- first baffle；The second steel pipe of 5-；6- third anchor pole；7-
Second baffle；The 4th anchor pole of 8-；9- third steel pipe；10- branch sheath.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
It should be noted that in the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, and is not instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.
As shown in Figs. 1-2, the utility model provides deep foundation pit supporting structure, comprising:
Lower part supporting construction comprising level is set to the first steel pipe 1 of the bottom of excavation slope, and first steel pipe 1 connects
It is connected with more first anchor poles 2, in the vertical injection soil layer in the bottom of the lower end edge excavation slope of first anchor pole 2, described first
The top of anchor pole 2 extends upwardly to outside the bottom solum of excavation slope；The top of more first anchor poles 2 is also communicated with the second steel pipe
5, the inboard, uprights of more first anchor poles 2 is equipped with first baffle 4, and the top and bottom of the first baffle 4 are close to the respectively
Two steel pipes 5 and the first steel pipe 1；
Top supporting construction comprising the inclined-plane compartment second baffle 7 disposed in parallel with excavation slope, and described
The bottom of two baffles 7 is equipped with chamfering, and the chamfering is fitted closely in the inner sidewall at 4 top of first baffle；The second baffle 7
The lateral wall at top is additionally provided with third steel pipe 9, and the third steel pipe 9 is communicated with more 4th anchor poles 8, the 4th anchor pole 8
Perpendicular in the inclined-plane and injection its soil layer of excavation slope, the top of the 4th anchor pole 8 is upward through the second gear for lower end
Plate 7 and the outside for extending to third steel pipe 9；
Branch sheath 10, by the gap that is filled between the first baffle 4, second baffle 7 and the soil body of foundation pit
Concrete is formed.
In the above-mentioned technical solutions, in the bottom solum of the lower end injection excavation slope of more first anchor poles 2, the first steel pipe
1 is set on the bottom ground of excavation slope, and the second steel pipe 5 is set to the surface of the first steel pipe 1, and the first steel pipe 1, the second steel pipe
5 are connected to more first anchor poles 2, constitute the main body framework of lower part supporting construction, the inside of the first anchor pole 2 is i.e. close to foundation pit side
The side on slope is equipped with first baffle 4；Top supporting construction includes the inclined-plane compartment second gear disposed in parallel with excavation slope
Plate 7, and constitute the 4th anchor pole 8 and third steel pipe 9 of top supporting construction main body framework；Due to the first steel pipe 1 and the first anchor pole 2
Connection can carry out slip casting to more first anchor poles 2 simultaneously by the first steel pipe 1, make bottom soil of first anchor pole 2 with excavation slope
Body combines, and similarly can also carry out slip casting to more 4th anchor poles 8 simultaneously by third steel pipe 9, make lower end and the base of the 4th anchor pole 8
The soil body for cheating side slope combines；After the completion of lower part supporting construction and top support construction, in first baffle 4,7 and of second baffle
Casting concrete forms branch sheath 10 between the soil body of foundation pit, and the branch sheath 10 can be by excavation slope and the soil body surface of bottom
Solidification prevents the soil body from generating sliding deformation, and wherein first baffle 4 and second baffle 7 not only act as the effect of template, transmit simultaneously
The stress of the excavation slope soil body, the top of second baffle 7 are equipped with the 4th anchor pole 8, and the bottom chamfer of second baffle 7 is close to first gear
The inner sidewall at 4 top of plate, the power of excavation slope are transmitted to first baffle 4 by top supporting construction, and the outside of first baffle 4 has
The support of first anchor pole 2, stress is transferred in the soil body of 2 lower end of the first anchor pole, entire support structure design is simply ingenious, stress
Equilibrium, it is easy for construction.
In another technical solution, the deep foundation pit supporting structure further include: the second anchor pole 3, be more, and with
First steel pipe 1 is connected to, in the bottom level injection soil layer of the lower end edge excavation slope of second anchor pole 3, second anchor pole 3
Top extend out to the outside of the first steel pipe 1, the second anchor pole 3 is also connected to the first steel pipe 1, thus can pass through the first steel pipe
1 simultaneously to 3 slip casting of the first anchor pole 2 and the second anchor pole, and the second anchor pole 3 can share the stress in the horizontal direction of the first anchor pole 2, make whole
Body structure is more secured.
In another technical solution, the deep foundation pit supporting structure further include: third anchor pole 6, be more, and with
Second steel pipe 5 is connected to, in the soil layer of the horizontal injection excavation slope in the lower end of the third anchor pole 6, the top of the third anchor pole 6
The outside of the second steel pipe 5 is extended out to, third anchor pole 6 can share the top stress in the horizontal direction of the first anchor pole 2, also right
Second steel pipe 5 plays the role of positioning and support, further improves lower part supporting construction, and can be by the second steel pipe 5 simultaneously
It is easy to operate to more 6 slip castings of third anchor pole.
In another technical solution, the third steel pipe 9 is parallel to the setting of the second steel pipe 5, and multiple 4th anchors
Bar 8 is arranged along the length direction uniform intervals of third steel pipe 9, and third steel pipe 9 and the 4th anchor pole 8 are by the stress at the top of excavation slope
It is transferred to branch sheath 10 and second baffle 7.
In another technical solution, more first anchor poles 2 are uniform along the length direction of the first steel pipe 1 and the second steel pipe 5
Interval setting, more second anchor poles 3 are also arranged along the length direction uniform intervals of the first steel pipe 1, and more second anchor poles 3 with it is more
The first anchor pole of root 2 is staggered along the length direction of the first steel pipe 1, and the first anchor pole 2 and the second anchor pole 3 are staggered, and makes stress
It is more balanced.
In another technical solution, more third anchor poles 6 are arranged along the length direction uniform intervals of the second steel pipe 5, and
More third anchor poles 6 are staggered with more first anchor poles 2 along the length direction of the second steel pipe 5, third anchor pole 6 and the first anchor pole
2 are staggered, and keep stress more balanced, more reasonable structure.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (6)
1. deep foundation pit supporting structure characterized by comprising
Lower part supporting construction comprising level is set to the first steel pipe of the bottom of excavation slope, and first steel pipe is communicated with more
The first anchor pole of root, in the vertical injection soil layer in the bottom of the lower end edge excavation slope of first anchor pole, the top of first anchor pole
End extends upwardly to outside the bottom solum of excavation slope；The top of more first anchor poles is also communicated with the second steel pipe, and more first
The inboard, upright of anchor pole is equipped with first baffle, and the second steel pipe and the first steel are close in the top and bottom of the first baffle respectively
Pipe；
Top supporting construction comprising the inclined-plane compartment second baffle disposed in parallel with excavation slope, and the second gear
The bottom of plate is equipped with chamfering, and the chamfering fits closely the inner sidewall at the top of first baffle；The top of the second baffle
Lateral wall is additionally provided with third steel pipe, and the third steel pipe is communicated with more 4th anchor poles, the lower end of the 4th anchor pole perpendicular to
In the inclined-plane of excavation slope and injection its soil layer, the top of the 4th anchor pole is upward through the second baffle and extends to the
The outside of three steel pipes；
Branch sheath, by the concrete shape in the gap that is filled between the first baffle, second baffle and the soil body of foundation pit
At.
2. deep foundation pit supporting structure as described in claim 1, which is characterized in that further include: the second anchor pole is more, and
It is connected to the first steel pipe, in the bottom level injection soil layer of the lower end edge excavation slope of second anchor pole, second anchor
The top of bar extends out to the outside of the first steel pipe.
3. deep foundation pit supporting structure as described in claim 1, which is characterized in that further include: third anchor pole is more, and
It is connected to the second steel pipe, in the soil layer of the horizontal injection excavation slope in the lower end of the third anchor pole, the top of the third anchor pole
End extends out to the outside of the second steel pipe.
4. deep foundation pit supporting structure as described in claim 1, which is characterized in that the third steel pipe is parallel to the second steel pipe and sets
It sets, and multiple 4th anchor poles are arranged along the length direction uniform intervals of third steel pipe.
5. deep foundation pit supporting structure as claimed in claim 2, which is characterized in that more first anchor poles are along the first steel pipe and second
The length direction uniform intervals of steel pipe are arranged, and more second anchor poles are also arranged along the length direction uniform intervals of the first steel pipe, and
More second anchor poles are staggered with more first anchor poles along the length direction of the first steel pipe.
6. deep foundation pit supporting structure as claimed in claim 3, which is characterized in that length of the more third anchor poles along the second steel pipe
The setting of direction uniform intervals, and more third anchor poles are staggered with more first anchor poles along the length direction of the second steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820780486.9U CN208379605U (en) | 2018-05-23 | 2018-05-23 | Deep foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820780486.9U CN208379605U (en) | 2018-05-23 | 2018-05-23 | Deep foundation pit supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208379605U true CN208379605U (en) | 2019-01-15 |
Family
ID=64972076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820780486.9U Active CN208379605U (en) | 2018-05-23 | 2018-05-23 | Deep foundation pit supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208379605U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550197A (en) * | 2020-05-14 | 2020-08-18 | 中建路桥集团有限公司 | Soft soil layer foundation pit slope anchor rod drilling device |
| CN113653070A (en) * | 2021-09-22 | 2021-11-16 | 山西云泉岩土工程科技股份有限公司 | Deep foundation pit side slope protective structure |
-
2018
- 2018-05-23 CN CN201820780486.9U patent/CN208379605U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550197A (en) * | 2020-05-14 | 2020-08-18 | 中建路桥集团有限公司 | Soft soil layer foundation pit slope anchor rod drilling device |
| CN111550197B (en) * | 2020-05-14 | 2021-06-29 | 中建路桥集团有限公司 | Soft soil layer foundation pit slope anchor rod drilling device |
| CN113653070A (en) * | 2021-09-22 | 2021-11-16 | 山西云泉岩土工程科技股份有限公司 | Deep foundation pit side slope protective structure |
| CN113653070B (en) * | 2021-09-22 | 2022-07-12 | 山西云泉岩土工程科技股份有限公司 | Deep foundation pit side slope protective structure |
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