CN108005089A - A kind of foundation pit supporting construction - Google Patents
A kind of foundation pit supporting construction Download PDFInfo
- Publication number
- CN108005089A CN108005089A CN201810103076.5A CN201810103076A CN108005089A CN 108005089 A CN108005089 A CN 108005089A CN 201810103076 A CN201810103076 A CN 201810103076A CN 108005089 A CN108005089 A CN 108005089A
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- China
- Prior art keywords
- foundation pit
- mounting groove
- steel reinforcement
- reinforcement cage
- buffer table
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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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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of foundation pit supporting construction, aim to solve the problem that the problem of traditional soil nail wall fastness difference is easily caved in, a kind of its key points of the technical solution are that foundation pit supporting construction, shore protection including foundation pit and positioned at foundation pit periphery, the trapezoidal buffer table in section is provided with around the foundation pit and close to the position of shore protection, the buffer table is less than the buffer trench being provided between shore protection and buffer table and shore protection in inverted trapezoidal setting, and it is in the ruggedized construction that inverted U-shaped is set that section is provided between buffer trench and the foundation pit bottom surface.A kind of foundation pit supporting construction of the present invention, by setting ruggedized construction margin of foundation pit more firm, reduces the risk caved in.
Description
Technical field
The present invention relates to technical field of buildings, more specifically, it relates to a kind of foundation pit supporting construction.
Background technology
With the development of urban construction, skyscraper gradually increases, and urban architecture thing is increasingly intensive.Due to the use of function and
The requirement of the underground space is developed, skyscraper is generally designed larger planar dimension and the basement of depth.Basement is opened
Hair is related to the safety of deep building foundation pit, this to be seated on soft soil foundation densely built area it is particularly important that.Especially
Locate the coastal city for rushing wash plain, engineering factory site is mostly weak soil, pattern foundation pit supporting structure it is former it is more use soil nail wall, foundation pit deformation with
Slope soil displacement is larger, especially meets heavy rain day after day or Heavy Rain of Typhoon is harassed, foundation pit collapse accident happens occasionally.
Therefore need to propose a kind of new scheme to solve the problems, such as this.
The content of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of foundation pit supporting construction, there is structure
Firmly reduce the advantages of caving in risk.
The present invention above-mentioned technical purpose technical scheme is that：A kind of foundation pit supporting construction, bag
Include foundation pit and the shore protection positioned at foundation pit periphery, trapezoidal slow in section is provided with around the foundation pit and close to the position of shore protection
Platform is rushed, the buffer table is less than the buffer trench being provided between shore protection and buffer table and shore protection in inverted trapezoidal setting, institute
It is in the ruggedized construction that inverted U-shaped is set to state and section is provided between buffer trench and foundation pit bottom surface.
By using above-mentioned technical proposal, the effect of buffering is realized by buffer table so between shore protection and foundation pit, when
When shore protection caves in, fall into first in buffer trench, under the cushioning effect of buffer trench and buffer table, even if shore protection caves in
It will not fall into foundation pit, so as to play the role of protecting foundation pit；On the other hand, by being set between buffer trench and foundation pit bottom surface
Ruggedized construction is put, so as to strengthen the fastness of buffer table, reduces the risk that buffer table caves in, and then improve base to a certain extent
Cheat the stability of periphery.
The present invention is further arranged to：The ruggedized construction includes the steel reinforcement cage stent that section is in the setting of inverted U-shaped, institute
State buffer trench bottom surface and offer the first mounting groove, the foundation pit bottom surface offers the second mounting groove, institute close to the position of buffer table
The one end for stating steel reinforcement cage stent is arranged in the first mounting groove, and the other end of steel reinforcement cage stent is arranged in the second mounting groove, and
And steel reinforcement cage stent is covered above buffer table.
By using above-mentioned technical proposal, steel reinforcement cage stent both ends are respectively installed to the first mounting groove and the second mounting groove
After interior, steel reinforcement cage stent is located above buffer table in inverted U-shaped, and by steel reinforcement cage stent, so as to improve buffer table
Fastness.
The present invention is further arranged to：First mounting groove is both provided with water blocking curtain with the second mounting groove both sides
Curtain, the water blocking curtain are higher than the first mounting groove and the second mounting groove.
, can by setting water blocking curtain in the first mounting groove and the second mounting groove both sides by using above-mentioned technical proposal
To reduce the infiltration of foundation pit sidepiece, prevent the water of surrounding from penetrating into foundation pit the phenomenon for causing foundation pit internal water accumulation via buffer table.
The present invention is further arranged to：The water blocking curtain mutually overlaps occlusion by some cement earth piles and is made.
By using above-mentioned technical proposal, on the one hand play the role of water proof, advance support and improve base pit stability, separately
On the one hand, certain reinforcement effect can be played to the first mounting groove and the second mounting groove.
The present invention is further arranged to：Pour the part that the steel reinforcement cage stent is located in the first mounting groove and the second mounting groove
Concrete is built.
By using above-mentioned technical proposal, by the casting concrete in the first mounting groove and the second mounting groove, so that will
Steel reinforcement cage stent is fixed in the first mounting groove and the second mounting groove, reduces rocking for steel reinforcement cage stent.
The present invention is further arranged to：The steel reinforcement cage stent be located at part outside the first mounting groove and the second mounting groove with
Connecting rod is connected between buffer table, the connecting rod is set along foundation pit circumference equal distribution, the connecting rod through buffer table
And both ends are all connected to steel reinforcement cage stent.
By using above-mentioned technical proposal, the body at the both ends of steel reinforcement cage stent and buffer table is added by connecting rod
It is solidly connected, further steel reinforcement cage stent is fixed as one with buffer table so that the structure of buffer table is more firm.
The present invention is further arranged to：The buffer table upper surface is in tilt down setting towards buffer trench direction.
By using above-mentioned technical proposal, so when running into rainy weather, the rainwater for falling on buffer table upper surface can edge
Inclined surface to flow towards buffer trench, so that the rainwater for reducing buffer table surface flows into the rainfall of foundation pit, to a certain degree
On can reduce pit water accumulation.
The present invention is further arranged to：The steel reinforcement cage stent is supported towards between the side wall at foundation pit center and foundation pit bottom surface
There is inclined supporting rod.
By using above-mentioned technical proposal, triangular structure is just formed between such supporting rod, steel reinforcement cage side wall and ground,
Since triangular structure is more stable, so that certain supporting role is played to steel reinforcement cage stent, when steel reinforcement cage stent has direction
During the trend that foundation pit center is toppled over, certain supporting role can play steel reinforcement cage stent by supporting rod, so as to prevent steel
The inclination of muscle cage stent.
The present invention is further arranged to：The steel reinforcement cage stent is connected with drawing between the side wall and shore protection of buffer trench
Bar, described pull rod one end are fixedly connected on steel reinforcement cage stent, and the other end is by earth anchorage in shore protection.
By using above-mentioned technical proposal, one end of shore protection is provided with helical wing plate in pull rod, passes through helical wing plate
Pull rod can be rotated into shore protection and realizing fixation；By setting pull rod between shore protection and steel reinforcement cage stent, further will
Steel reinforcement cage stent is drawn towards shore protection direction, reduces steel reinforcement cage stent towards the centroclinal trend of foundation pit.
In conclusion the invention has the advantages that：
First, realizing the effect of buffering by buffer table between shore protection and foundation pit, when shore protection caves in, fall into first slow
In coombe, under the cushioning effect of buffer trench and buffer table, it will not be fallen into even if shore protection caves in foundation pit, so as to play
Protect the effect of foundation pit；On the other hand, by setting ruggedized construction between buffer trench and foundation pit bottom surface, so as to strengthen buffer table
Fastness, reduce the risk caved in of buffer table, and then improve the stability of foundation pit periphery to a certain extent；
Second, after steel reinforcement cage stent both ends are respectively installed in the first mounting groove and the second mounting groove, steel reinforcement cage stent is in
The U-shaped put is located above buffer table, and by steel reinforcement cage stent, so as to improve the fastness of buffer table.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present embodiment；
Fig. 2 is the partial sectional view of the present embodiment.
In figure：1st, foundation pit；2nd, shore protection；3rd, buffer table；4th, buffer trench；5th, ruggedized construction；6th, steel reinforcement cage stent；7th, the first peace
Tankage；8th, the second mounting groove；9th, water blocking curtain；10th, cement earth pile；11st, connecting rod；12nd, supporting rod；13rd, pull rod.
Embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
A kind of foundation pit supporting construction, as depicted in figs. 1 and 2, including foundation pit 1 and the shore protection 2 positioned at 1 periphery of foundation pit,
The trapezoidal buffer table 3 of a ring cross-section is provided with around foundation pit 1 and close to the position of shore protection 2,3 upper surface of buffer table is less than shore protection
The buffer trench 4 in inverted trapezoidal setting is offered between 2 and buffer table 3 and shore protection 2, between 1 bottom surface of buffer trench 4 and foundation pit
It is in the ruggedized construction 5 that inverted U-shaped is set to be provided with section；Realized and delayed by buffer table 3 so between shore protection 2 and foundation pit 1
The effect of punching, when shore protection 2 caves in, falls into buffer trench 4 first, under the cushioning effect of buffer trench 4 and buffer table 3,
Even if shore protection 2, which caves in, will not fall into foundation pit 1, so as to play the role of protecting foundation pit 1；On the other hand, by slow
Ruggedized construction 5 is set between 1 bottom surface of coombe 4 and foundation pit, so as to strengthen the fastness of buffer table 3, reduces the wind that buffer table 3 caves in
Danger, and then the stability of 1 periphery of foundation pit is improved to a certain extent.
It is in the steel reinforcement cage stent 6 that inverted U-shaped is set that ruggedized construction 5, which includes section, and 4 bottom surface of buffer trench offers the first peace
Tankage 7,1 bottom surface of foundation pit offer the second mounting groove 8 close to the position of buffer table 3, and one end of steel reinforcement cage stent 6 is arranged in first
In mounting groove 7, the other end of steel reinforcement cage stent 6 is arranged in the second mounting groove 8, and steel reinforcement cage stent 6 covers at buffer table 3
Top；After 6 both ends of steel reinforcement cage stent are respectively installed in the first mounting groove 7 and the second mounting groove 8, steel reinforcement cage stent 6 is in
The U-shaped put is located at the top of buffer table 3, and by steel reinforcement cage stent 6, so as to improve the fastness of buffer table 3.
First mounting groove 7 and 8 both sides of the second mounting groove are both provided with water blocking curtain 9, and water blocking curtain 9 is higher than the first mounting groove
7 and second mounting groove 8；By setting water blocking curtain 9 in the first mounting groove 7 and 8 both sides of the second mounting groove, it is possible to reduce foundation pit 1
The infiltration of sidepiece, prevents the water of surrounding from penetrating into foundation pit 1 phenomenon for causing 1 internal water accumulation of foundation pit via buffer table 3.
Water blocking curtain 9 mutually overlaps occlusion by some cement earth piles 10 and is made, and on the one hand plays water proof, advance support and carries
The effect of high 1 stability of foundation pit, on the other hand, can play the first mounting groove 7 and the second mounting groove 8 certain reinforcing and make
With.
The part that steel reinforcement cage stent 6 is located in the first mounting groove 7 and the second mounting groove 8 has poured concrete, by
Casting concrete in one mounting groove 7 and the second mounting groove 8, so that steel reinforcement cage stent 6 is fixed on the first mounting groove 7 and the second peace
In tankage 8, reduce rocking for steel reinforcement cage stent 6.
Steel reinforcement cage stent 6, which is located between the first mounting groove 7 and part outside the second mounting groove 8 and buffer table 3, to be connected with
Extension bar 11, connecting rod 11 are set simultaneously along 1 circumference equal distribution of foundation pit and towards 1 center of foundation pit, connecting rod 11 through buffer table 3
And both ends are all connected to steel reinforcement cage stent 6；The body of the both ends of steel reinforcement cage stent 6 and buffer table 3 is carried out by connecting rod 11
Connection is reinforced, further steel reinforcement cage stent 6 and buffer table 3 are fixed as one so that the structure of buffer table 3 is more firm.
3 upper surface of buffer table, in setting is tilted down, so when running into rainy weather, is fallen on towards 4 direction of buffer trench
The rainwater of 3 upper surface of buffer table can be flowed along inclined surface towards buffer trench 4, so as to reduce the rainwater on 3 surface of buffer table
The rainfall of foundation pit 1 is flowed into, 1 ponding of foundation pit can be reduced to a certain extent.
Steel reinforcement cage stent 6 is supported by inclined supporting rod 12 towards between 1 bottom surface of side wall and foundation pit at 1 center of foundation pit, this
Triangular structure is just formed between sample supporting rod 12, steel reinforcement cage side wall and ground, since triangular structure is more stable, so that right
Steel reinforcement cage stent 6 plays certain supporting role, when steel reinforcement cage stent 6 has the trend toppled over towards 1 center of foundation pit, passes through branch
Strut 12 can play steel reinforcement cage stent 6 certain supporting role, so as to prevent the inclination of steel reinforcement cage stent 6.
Steel reinforcement cage stent 6 is connected with pull rod 13 between the side wall and shore protection 2 of buffer trench 4, and 13 one end of pull rod, which is fixed, to be connected
Steel reinforcement cage stent 6 is connected to, the other end, in shore protection 2, screw wing is provided with pull rod 13 by earth anchorage close to one end of shore protection 2
Piece, pull rod 13 can be rotated interior into shore protection 2 and realize fixation by helical wing plate；By shore protection 2 and steel reinforcement cage stent 6 it
Between pull rod 13 is set, further steel reinforcement cage stent 6 is drawn towards 2 direction of shore protection, reduces steel reinforcement cage stent 6 towards 1 center of foundation pit
Inclined trend.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
- A kind of 1. foundation pit supporting construction, it is characterised in that：Shore protection (2) including foundation pit (1) and positioned at foundation pit (1) periphery, institute State around foundation pit (1) and the position of shore protection (2) is provided with the trapezoidal buffer table in section (3), the buffer table (3) is less than The buffer trench (4) in inverted trapezoidal setting, the buffer trench are provided between shore protection (2) and buffer table (3) and shore protection (2) (4) it is in the ruggedized construction (5) that inverted U-shaped is set that section is provided between foundation pit (1) bottom surface.
- A kind of 2. foundation pit supporting construction according to claim 1, it is characterised in that：The ruggedized construction (5) includes section The steel reinforcement cage stent (6) set in inverted U-shaped, buffer trench (4) bottom surface offers the first mounting groove (7), the foundation pit (1) bottom surface offers the second mounting groove (8) close to the position of buffer table (3), and one end of the steel reinforcement cage stent (6) is arranged in In one mounting groove (7), the other end of steel reinforcement cage stent (6) is arranged in the second mounting groove (8), and steel reinforcement cage stent (6) covers Above buffer table (3).
- A kind of 3. foundation pit supporting construction according to claim 2, it is characterised in that：First mounting groove (7) with it is described Second mounting groove (8) both sides are both provided with water blocking curtain (9), and the water blocking curtain (9) is higher than the first mounting groove (7) and the second peace Tankage (8).
- A kind of 4. foundation pit supporting construction according to claim 3, it is characterised in that：The water blocking curtain (9) is if by solid carbon dioxide Soil stake (10) mutually overlap joint occlusion is made.
- A kind of 5. foundation pit supporting construction according to claim 2, it is characterised in that：The steel reinforcement cage stent (6) is positioned at the Part in one mounting groove (7) and the second mounting groove (8) has poured concrete.
- A kind of 6. foundation pit supporting construction according to claim 2, it is characterised in that：The steel reinforcement cage stent (6) is positioned at the Connecting rod (11), the connecting rod are connected between the part of one mounting groove (7) and the second mounting groove (8) outside and buffer table (3) (11) along foundation pit (1) circumference equal distribution, the connecting rod (11) is set through buffer table (3) and both ends are all connected to reinforcing bar Cage stent (6).
- A kind of 7. foundation pit supporting construction according to claim 2, it is characterised in that：Buffer table (3) upper surface direction Buffer trench (4) direction is in tilt down setting.
- A kind of 8. foundation pit supporting construction according to claim 2, it is characterised in that：The steel reinforcement cage stent (6) is towards base Inclined supporting rod (12) is supported by between the side wall at (1) center of hole and foundation pit (1) bottom surface.
- A kind of 9. foundation pit supporting construction according to claim 2, it is characterised in that：The steel reinforcement cage stent (6) is close to slow Pull rod (13) is connected between the side wall and shore protection (2) of coombe (4), described pull rod (13) one end is fixedly connected on steel reinforcement cage stent (6), the other end by earth anchorage in shore protection (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810103076.5A CN108005089B (en) | 2018-02-01 | 2018-02-01 | A kind of foundation pit supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810103076.5A CN108005089B (en) | 2018-02-01 | 2018-02-01 | A kind of foundation pit supporting construction |
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| Publication Number | Publication Date |
|---|---|
| CN108005089A true CN108005089A (en) | 2018-05-08 |
| CN108005089B CN108005089B (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810103076.5A Active CN108005089B (en) | 2018-02-01 | 2018-02-01 | A kind of foundation pit supporting construction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111041917A (en) * | 2019-12-30 | 2020-04-21 | 常州市市政工程设计研究院有限公司 | Foundation ditch road bed backfill structure |
| CN112267475A (en) * | 2020-11-07 | 2021-01-26 | 厦门中亚联合建设工程有限公司 | Foundation pit supporting structure and construction process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011042992A (en) * | 2009-08-21 | 2011-03-03 | Shimizu Corp | Earth retaining method and earth retaining self-supporting frame |
| CN203222802U (en) * | 2013-03-29 | 2013-10-02 | 辽宁工程技术大学 | Stepped foundation pit slope supporting structure |
| CN206646520U (en) * | 2017-02-10 | 2017-11-17 | 深圳市正兴基础建筑工程有限公司 | Side slope foundation pit supporting construction |
-
2018
- 2018-02-01 CN CN201810103076.5A patent/CN108005089B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011042992A (en) * | 2009-08-21 | 2011-03-03 | Shimizu Corp | Earth retaining method and earth retaining self-supporting frame |
| CN203222802U (en) * | 2013-03-29 | 2013-10-02 | 辽宁工程技术大学 | Stepped foundation pit slope supporting structure |
| CN206646520U (en) * | 2017-02-10 | 2017-11-17 | 深圳市正兴基础建筑工程有限公司 | Side slope foundation pit supporting construction |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111041917A (en) * | 2019-12-30 | 2020-04-21 | 常州市市政工程设计研究院有限公司 | Foundation ditch road bed backfill structure |
| CN112267475A (en) * | 2020-11-07 | 2021-01-26 | 厦门中亚联合建设工程有限公司 | Foundation pit supporting structure and construction process thereof |
| CN112267475B (en) * | 2020-11-07 | 2022-02-18 | 厦门中亚联合建设工程有限公司 | Foundation pit supporting structure and construction process thereof |
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| Publication number | Publication date |
|---|---|
| CN108005089B (en) | 2019-06-28 |
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Denomination of invention: A supporting structure for foundation pit Effective date of registration: 20200927 Granted publication date: 20190628 Pledgee: Agricultural Bank of China Limited Taishun County sub branch Pledgor: HUAZHOU CONSTRUCTION WENZHOU Co.,Ltd. Registration number: Y2020330000770 |