CN110158611A - A kind of foundation pit supporting construction and its construction method - Google Patents
A kind of foundation pit supporting construction and its construction method Download PDFInfo
- Publication number
- CN110158611A CN110158611A CN201910459750.8A CN201910459750A CN110158611A CN 110158611 A CN110158611 A CN 110158611A CN 201910459750 A CN201910459750 A CN 201910459750A CN 110158611 A CN110158611 A CN 110158611A
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- China
- Prior art keywords
- briquetting
- foundation pit
- support pile
- link block
- wall
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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
-
- 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
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0046—Production methods using prestressing techniques
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/30—Miscellaneous comprising anchoring details
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- Engineering & Computer Science (AREA)
- Structural Engineering (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)
- Foundations (AREA)
Abstract
The present invention relates to building foundation technical fields, more specifically, it relates to a kind of foundation pit supporting construction and its construction method, wherein foundation pit supporting construction includes support pile, anchor cable and angle plug: each support pile is for being vertically embedded in foundation pit；Angle plug includes the first briquetting, the second briquetting and link block, and angle is filled in the interval for being arranged between adjacent two support pile, and is offseted by the first briquetting with a support pile and offseted by the second briquetting and another adjacent support pile；Link block is formed by interval between the two in the first briquetting and the second briquetting for being arranged and is cooperated by inclined-plane between the first briquetting and the second briquetting；Link block can be with respect to two briquettings close to or far from foundation pit side-wall, and link block squeezes the first briquetting and the second briquetting by inclined-plane when close to foundation pit side-wall, support the first briquetting and the second briquetting respectively by corresponding support pile solid on the side wall of foundation pit；Anchor cable with link block for connecting, to provide power of the link block close to foundation pit side-wall.
Description
Technical field
The present invention relates to building foundation technical field, in particular to a kind of foundation pit supporting construction and its construction method.
Background technique
With the development of urban construction, skyscraper gradually increases.Due to using function and developing the requirement of the underground space,
Skyscraper is generally designed the basement of larger planar dimension and depth.
Due to the building comparatively dense in city, foundation pit sideline relative close at a distance from the outer wall of basement on side is led
Cause the width very little more than needed between foundation pit land red-line and outer wall of basement.In order to save space, to the supporting construction of foundation pit
More stringent requirements are proposed.Existing foundation pit supporting construction is usually that triangle plug, anchor cable are arranged between two adjacent support piles
Anchor head connect with triangle plug, the side wall that support pile is anchored on foundation pit is oppressed using triangle plug.
However, existing due to having error when construction, cause the distance between adjacent two support pile inconsistent, thus single
The triangle plug of size cannot fit together with support pile well, so that triangle plug beats greatly the effect that laterallys secure of support pile
Discount, support pile weaken the supporting protective effect of foundation pit, therefore are badly in need of being solved in response to this.
Summary of the invention
In view of this, the present invention provides a kind of foundation pit supporting construction and its construction method, main purpose are how to improve
The versatility of angle plug makes angle plug can adapt to the different interval between each adjacent two support pile.
In order to achieve the above objectives, present invention generally provides following technical solutions:
On the one hand, the embodiment of the present invention provides a kind of foundation pit supporting construction, including support pile, anchor cable and angle plug:
The quantity of the support pile is two or more, and successively parallel interval is arranged；Each support pile is for being vertically embedded in
In foundation pit, support is provided with the side wall to foundation pit；
The angle plug includes the first briquetting, the second briquetting and link block, and the angle plug is for being arranged between adjacent two support pile
Interval in, and offseted with a support pile by the first briquetting and by the second briquetting and another adjacent support pile phase
It supports；
The link block for be arranged the first briquetting and the second briquetting be formed by between the two interval it is interior and with the first briquetting
And second pass through inclined-plane between briquetting and cooperate；The link block can be with respect to two briquettings close to or far from foundation pit side-wall, the company
It connects block and the first briquetting and the second briquetting is squeezed by inclined-plane when close to foundation pit side-wall, the first briquetting and the second briquetting is made respectively will
Corresponding support pile supports solid on the side wall of foundation pit；
The anchor cable with link block for connecting, to provide power of the link block close to foundation pit side-wall.
The present invention is further arranged to: the inclined-plane for cooperating with the first briquetting of the link block and being used for and the second pressure
The inclined-plane of block cooperation is symmetrical two inclined-plane.
The present invention is further arranged to: first briquetting has the first arcwall face, institute away from the side of the link block
The cross sectional shape for stating the first arcwall face is round in a quarter, and first briquetting is coated on described by first arcwall face
On the outer wall of one support pile, to offset with one support pile.
The present invention is further arranged to: second briquetting has the second arcwall face, institute away from the side of the link block
The cross sectional shape for stating the second arcwall face is round in a quarter, and second briquetting is coated on described by second arcwall face
On the outer wall of another support pile, to offset with another described support pile.
The present invention is further arranged to: foundation pit supporting construction includes connection steel；
The top of the support pile has the inserting groove of perforation；
The connection steel sequentially passes through the inserting groove of each support pile.
On the other hand, the embodiment of the present invention also provides a kind of construction method of foundation pit supporting construction comprising following step
It is rapid:
Step S1: the side wall along foundation pit vertically buries more than two support piles；
Step S2: angle plug, the first briquetting and a support pile of angle plug are packed into the gap between two adjacent support piles
It offsets, the second briquetting of angle plug offsets with another adjacent support pile, and the link block of angle plug is located at the first briquetting and the second pressure
In interval between block；
Step S3: constructing to anchor cable, and the anchor head of anchor cable is fixed on link block, and stretch-draw anchor simultaneously locks, and makes anchor cable shape
At prestressing force, corresponding support pile is supported admittedly on the side wall of foundation pit with the first briquetting filled in by angle and the second briquetting.
The present invention is further arranged to: by successive slip casting twice between the anchor cable and the side wall of foundation pit, by anchor cable
Gu on the side wall of foundation pit.
By above-mentioned technical proposal, foundation pit supporting construction of the present invention and its construction method are at least had the advantages that
In the technical solution provided by the present invention, by the way that angle plug is divided into the first briquetting, the second briquetting and link block, and pass through
First briquetting compresses a support pile, compresses another support pile by the second briquetting, and link block can be with respect to the first briquetting and
Two briquettings close to or far from foundation pit side wall so that angle plug overall width it is adjustable, so as to adapt to each adjacent two support pile
Between different interval, versatility is stronger.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is a kind of side view for foundation pit supporting construction that one embodiment of the invention provides；
Fig. 2 is that the cross-sectional view connecting with adjacent two support pile is filled at a kind of angle that one embodiment of the invention provides；
Fig. 3 is that the front view connecting with adjacent two support pile is filled at a kind of angle that one embodiment of the invention provides；
Fig. 4 is a kind of flow chart for foundation pit supporting construction construction method that one embodiment of the invention provides.
Appended drawing reference: 1, support pile；2, anchor cable；3, angle is filled in；4, steel is connected；31, the first briquetting；32, link block；33,
Two briquettings；311, the first arcwall face；331, the second arcwall face.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.It is to be appreciated that if related in the embodiment of the present invention directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do the description of " first ", " second " etc. only if relating to the description of " first ", " second " etc. in the embodiment of the present invention
For descriptive purposes, it is not understood to indicate or imply its relative importance or implicitly indicates indicated technical characteristic
Quantity." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one of the features.
As shown in Figure 1 to Figure 3, a kind of foundation pit supporting construction that one embodiment of the present of invention proposes, including support pile 1,
Anchor cable 2 and angle plug 3.The quantity of support pile 1 is two or more, and successively parallel interval is arranged.Each support pile 1 is for vertically embedded
In foundation pit, support is provided with the side wall to foundation pit.Preferably, each support pile 1 closely foundation pit side wall setting.
Above-mentioned angle plug 3 includes the first briquetting 31, the second briquetting 33 and link block 32.Angle plug 3 is for being arranged adjacent two
In interval between support pile 1, and offseted by the first briquetting 31 and a support pile 1 and by the second briquetting 33 and adjacent
Another support pile 1 offsets.Link block 32 is for being arranged between the first briquetting 31 and the second briquetting 33 are formed by between the two
Every it is interior and between the first briquetting 31 and the second briquetting 33 pass through inclined-plane cooperate.Link block 32 can it is close with respect to two briquettings or
Far from foundation pit side-wall, link block 32 by inclined-plane the first briquetting 31 of extruding and the second briquetting 33, makes the when close to foundation pit side-wall
One briquetting 31 and the second briquetting 33 respectively support corresponding support pile 1 solid on the side wall of foundation pit.Above-mentioned anchor cable 2 is used for and connects
The connection of block 32 is connect, to provide link block 32 close to the power of foundation pit side-wall.
Specifically, link block 32 can have opposite the first inclined-plane and the second inclined-plane, and the first briquetting 31 has third
Inclined-plane, the second briquetting 33 have the 4th inclined-plane.Link block 32 is between the first briquetting 31 and the second briquetting 33.Link block 32 is logical
The third inclined-plane for crossing the first inclined-plane and the first briquetting 31 offsets and passes through the 4th inclined-plane phase on the second inclined-plane and the second briquetting 33
It supports.When the side wall movement of the relatively close foundation pit of link block 32, link block 32, to 31 applied force of the first briquetting, is made by the first inclined-plane
First briquetting 31 supports one support pile 1 solid on the side wall of foundation pit；And link block 32 is also by the second inclined-plane to the
Two briquettings, 33 applied force supports the second briquetting 33 by another described support pile 1 solid on the side wall of foundation pit.
In the technical solution of above-mentioned offer, by the way that angle plug 3 is divided into the first briquetting 31, the second briquetting 33 and link block
32, and compress a support pile 1 by the first briquetting 31, another support pile 1, link block 32 are compressed by the second briquetting 33
Can with respect to the first briquetting 31 and the second briquetting 33 close to or far from the side wall of foundation pit, so that the overall width of angle plug 3 is adjustable, thus
The different interval being adapted between each adjacent two support pile 1, versatility are stronger.
Further, as shown in Fig. 2, the inclined-plane for cooperating with the first briquetting 31 of aforementioned link block 32 and for the
The inclined-plane of two briquettings 33 cooperation is symmetrical two inclined-plane.Specifically, the first above-mentioned inclined-plane and the second inclined-plane are symmetrical two
Inclined-plane, when so moving when link block 32 to the side wall close to foundation pit, link block 32 can be to the first briquetting 31 and the second briquetting
Both 33 uniform pressures.
Further, as shown in Fig. 2, aforementioned first briquetting 31 can have the first arcwall face away from the side of link block 32
311, the cross sectional shape of the first arcwall face 311 is round in a quarter, and the circular diameter is consistent with the diameter of support pile 1.The
One briquetting 31 is coated on the outer wall of a support pile 1 by first arcwall face 311, to offset with a support pile 1.
In the examples described above, it is coated on support pile 1 due to the first briquetting 31 by the first arcwall face 311, the two can be with
It fits tightly on together, the first briquetting 31 supports solid better effect to support pile 1, exerts a force more uniform.
Likewise, as shown in Fig. 2, aforementioned second briquetting 33 can have the second arcwall face away from the side of link block 32
331, the cross sectional shape of the second arcwall face 331 is round in a quarter, and the circular diameter is consistent with the diameter of support pile 1.The
Two briquettings 33 are coated on the outer wall of another support pile 1 by the second arcwall face 331, to offset with another support pile 1.
In the examples described above, it is coated on another support pile 1 due to the second briquetting 33 by the second arcwall face 331, two
Person can fit tightly on together, and the second briquetting 33 supports solid better effect to another support pile 1, exert a force more uniform.
Further, as shown in figures 1 and 3, foundation pit supporting construction of the invention can also include connection steel 4.Support pile 1
Top have perforation inserting groove.Connection steel 4 sequentially passes through the inserting groove of each support pile 1, and each support pile 1 is connected to one
It rises, so that each support pile 1 is formed an entirety, improve support protective effect of each support pile 1 to foundation pit side-wall.
As shown in figure 4, the embodiment of the present invention also provides a kind of construction method, for above-mentioned foundation pit supporting construction into
Row construction.The construction method the following steps are included:
Step S1: more than two support piles 1 are vertically buried along the side wall of foundation pit.
Step S2: angle plug 3, the first briquetting 31 and one of angle plug 3 are packed into the gap between two adjacent support piles 1
A support pile 1 offsets, and the second briquetting 33 of angle plug 3 offsets with another adjacent support pile 1, and the link block 32 of angle plug 3 is located at
In interval between first briquetting 31 and the second briquetting 33.
Step S3: constructing to anchor cable 2, and the anchor head of anchor cable 2 is fixed on link block 32, and stretch-draw anchor 2 simultaneously locks,
Anchor cable 2 is set to form prestressing force, it is solid in base to be supported corresponding support pile 1 by the first briquetting 31 of angle plug 3 and the second briquetting 33
On the side wall in hole.
Further, anchor cable 2 can be anchored at by successively slip casting twice between aforementioned anchor cable 2 and the side wall of foundation pit
On the side wall of foundation pit, so that anchor cable 2 be made effectively to be combined with the side wall of foundation pit.
What needs to be explained here is that: in the absence of conflict, those skilled in the art can according to the actual situation by
Relevant technical characteristic is combined with each other in above-mentioned each example, to reach corresponding technical effect, particularly for various combined situations
It will not repeat them here.
The above is only a preferred embodiment of the present invention, 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 all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several 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 (7)
1. a kind of foundation pit supporting construction, which is characterized in that fill in (3) including support pile (1), anchor cable (2) and angle:
The quantity of the support pile (1) is two or more, and successively parallel interval is arranged；Each support pile (1) is for vertical
It is embedded in foundation pit, provides support with the side wall to foundation pit；
The angle plug (3) includes the first briquetting (31), the second briquetting (33) and link block (32), and the angle plug (3) is for being arranged
In interval between adjacent two support pile (1), and passes through the first briquetting (31) and offset with a support pile (1) and by second
Briquetting (33) offsets with another adjacent support pile (1)；
The link block (32) for be arranged be formed by interval between the two in the first briquetting (31) and the second briquetting (33),
And cooperated by inclined-plane between the first briquetting (31) and the second briquetting (33)；The link block (32) can lean on respect to two briquettings
Close or remote from foundation pit side-wall, the link block (32) squeezes the first briquetting (31) and second by inclined-plane when close to foundation pit side-wall
Briquetting (33) supports the first briquetting (31) and the second briquetting (33) respectively by corresponding support pile (1) solid on the side wall of foundation pit；
The anchor cable (2) with link block (32) for connecting, to provide the power of link block (32) close to foundation pit side-wall.
2. foundation pit supporting construction according to claim 1, which is characterized in that
The link block (32) is used for and the first briquetting (31) inclined-plane for cooperate and is used to cooperate with the second briquetting (33) oblique
Face is symmetrical two inclined-plane.
3. foundation pit supporting construction according to claim 1 or 2, which is characterized in that
First briquetting (31) has the first arcwall face (311) away from the side of the link block (32), first arc
The cross sectional shape in face (311) is round in a quarter, and first briquetting (31) is coated on by first arcwall face (311)
On the outer wall of one support pile (1), to offset with one support pile (1).
4. foundation pit supporting construction according to claim 1 or 2, which is characterized in that
Second briquetting (33) has the second arcwall face (331) away from the side of the link block (32), second arc
The cross sectional shape in face (331) is round in a quarter, and second briquetting (33) is coated on by second arcwall face (331)
On the outer wall of another support pile (1), to offset with another described support pile (1).
5. foundation pit supporting construction according to claim 1 or 2, which is characterized in that further include connection steel (4)；
The top of the support pile (1) has the inserting groove of perforation；
Connection steel (4) sequentially passes through the inserting groove of each support pile (1).
6. a kind of construction method of any one of claims 1 to 5 foundation pit supporting construction, which comprises the following steps:
Step S1: more than two support piles (1) is vertically buried along the side wall of foundation pit；
Step S2: being packed into angle plug (3) in the gap between two adjacent support piles (1), first briquetting (31) of (3) is filled at angle
It offsets with a support pile (1), the second briquetting (33) of angle plug (3) offsets with another adjacent support pile (1), and (3) are filled at angle
Link block (32) in interval between the first briquetting (31) and the second briquetting (33)；
Step S3: constructing to anchor cable (2), and the anchor head of anchor cable (2) is fixed on link block (32), and stretch-draw anchor (2) is simultaneously
Locking makes anchor cable (2) to form prestressing force, will be propped up accordingly by the first briquetting (31) and the second briquetting (33) of angle plug (3)
Fender pile (1) supports solid on the side wall of foundation pit.
7. construction method according to claim 6, which is characterized in that
By successive slip casting twice between the anchor cable (2) and the side wall of foundation pit, anchor cable (2) is anchored on the side wall of foundation pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910459750.8A CN110158611A (en) | 2019-05-30 | 2019-05-30 | A kind of foundation pit supporting construction and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910459750.8A CN110158611A (en) | 2019-05-30 | 2019-05-30 | A kind of foundation pit supporting construction and its construction method |
Publications (1)
| Publication Number | Publication Date |
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| CN110158611A true CN110158611A (en) | 2019-08-23 |
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ID=67630211
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910459750.8A Pending CN110158611A (en) | 2019-05-30 | 2019-05-30 | A kind of foundation pit supporting construction and its construction method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004211454A (en) * | 2003-01-07 | 2004-07-29 | Toda Constr Co Ltd | Earth retaining wall and earth retaining construction method |
| KR100733717B1 (en) * | 2005-12-29 | 2007-07-04 | (주)핸스건설 | Connecting structure of slanting steel pipe strut |
| CN103147443A (en) * | 2013-03-18 | 2013-06-12 | 中国建筑第八工程局有限公司 | Foundation pit supporting structure and construction method thereof |
| CN203390780U (en) * | 2013-07-16 | 2014-01-15 | 杭州大和热磁电子有限公司 | Clamping mechanism used for clamping |
| CN205154039U (en) * | 2015-10-30 | 2016-04-13 | 宝鸡石油机械有限责任公司 | Adjustable V type locating piece |
| CN206997561U (en) * | 2017-07-11 | 2018-02-13 | 安徽江淮汽车集团股份有限公司 | A kind of insert adjustment mechanism |
-
2019
- 2019-05-30 CN CN201910459750.8A patent/CN110158611A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004211454A (en) * | 2003-01-07 | 2004-07-29 | Toda Constr Co Ltd | Earth retaining wall and earth retaining construction method |
| KR100733717B1 (en) * | 2005-12-29 | 2007-07-04 | (주)핸스건설 | Connecting structure of slanting steel pipe strut |
| CN103147443A (en) * | 2013-03-18 | 2013-06-12 | 中国建筑第八工程局有限公司 | Foundation pit supporting structure and construction method thereof |
| CN203390780U (en) * | 2013-07-16 | 2014-01-15 | 杭州大和热磁电子有限公司 | Clamping mechanism used for clamping |
| CN205154039U (en) * | 2015-10-30 | 2016-04-13 | 宝鸡石油机械有限责任公司 | Adjustable V type locating piece |
| CN206997561U (en) * | 2017-07-11 | 2018-02-13 | 安徽江淮汽车集团股份有限公司 | A kind of insert adjustment mechanism |
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Application publication date: 20190823 |
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