CN206034454U - Supporting construction - Google Patents
Supporting construction Download PDFInfo
- Publication number
- CN206034454U CN206034454U CN201621045640.5U CN201621045640U CN206034454U CN 206034454 U CN206034454 U CN 206034454U CN 201621045640 U CN201621045640 U CN 201621045640U CN 206034454 U CN206034454 U CN 206034454U
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- China
- Prior art keywords
- campshed
- supporting construction
- stake
- pile
- construction according
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Abstract
The utility model discloses a supporting construction, put sloping supporting construction and set up the stake end anchor campshed supporting construction in foundation ditch dell department including setting up the soil nail wall of locating at the foundation ditch shallow hole, the soil nail wall is put sloping supporting construction and is included a plurality of soil nail and the shotcrete surface course of being connected with a plurality of soil nail, stake end anchor campshed supporting construction includes the campshed more than three rows, and a fender pile of adjacent row stake is connected through transversely linking the roof beam, and the fender pile on the same row of campshed passes through the vertical guan liang of capital and connects, be equipped with stock or I -steel in all fender piles of last row campshed or partly fender pile. The utility model discloses antidumping ability reinforce, convenient, the construction period weak point of construction.
Description
Technical field
This utility model belongs to field of civil engineering, and in particular to a kind of supporting construction, it is adaptable to Bit andits control is strict,
Protection structure take up room limited, larger depth deep pit digging and supporting.
Background technology
In recent years, urban construction was developed rapidly like the mushrooms after rain, and urban built-up land also becomes more and more rare, promotes
Build（Structure）Build thing constantly to develop to the underground space, corresponding underground deep basal pit also digs deeper and deeper, excavation area also further adds
Greatly.In addition the reason such as intensive groups of building, rare soil, causes foundation ditch periphery to there is building construction, subway etc., and this causes base
Hole space enrironment and engineering geological condition become more complicated, and foundation ditch type is also more various, so the peace to supporting construction
Quan Xing, the facility of construction, technical conditions etc. have higher requirement.
Existing supporting construction is primarily present following deficiency：
(1) the supporting depth of piling structure is limited, and the supporting depth of single cantilever pile is no more than 6m, the supporting of double-row pile
As the increase of depth can face foundation pit side-wall, depth deforms that larger, pile body shifting is excessive, resistance to capsizing no more than 12m
Not strong the problems such as.
(2) using inner support Row Piles Supporting Structure, need to arrange the complicated support beam of large area construction in foundation ditch, stand
Post, needs to take large-area construction space, brings inconvenience to the construction of earth excavation and agent structure in hole.In addition, the construction time
Between foundation ditch want stage excavation, supporting member to construct layer by layer, earth excavation is also performed to support after finishing and changes, construction period compared with
It is long.
(3) anchored pile supporting is adopted, anchor bolt construction needs underground barrier-free to hinder thing, and rock-bolt length reaches tens of rice, it is desirable to
Larger receiving space, can usually exceed property line scope, particularly in the excavation of foundation pit adjacent to existing building or subway more
Plus it is inapplicable.
Therefore, because the restriction of the factor such as cutting depth, construction period, the underground space, geological conditions, using existing row
Pilework, inner support or anchored pile supporting are difficult to meet actual demand.
Utility model content
The purpose of this utility model is to provide a kind of strong resistance to capsizing, convenient construction, construction period short supporting knot
Structure, can solve existing supporting construction and be not applied for excavation of foundation pit depth depth, and the underground space is limited by neighbouring existing building
Problem.
The technical scheme adopted by this utility model is：
A kind of supporting construction, including the soil nail wall sloping timbering structure that is arranged at foundation ditch shallow hole and is arranged on foundation ditch dell
The stake bottom anchoring Row Piles Supporting Structure at place；
The soil nail wall sloping timbering structure includes the injection of some soil nailings being arranged in soil layer and the connection of some soil nailings
Concrete topping, gunite concrete surface layer are arranged on domatic；
The stake bottom anchoring Row Piles Supporting Structure includes the campshed of more than three rows, and the support pile of adjacent campshed is by laterally connecting
Beam connects（Each campshed i.e. perpendicular to foundation ditch edge direction is connected by horizontal coupling beam）, the support pile on same row campshed is by post
The longitudinal Guan Liang connection in top（Connected by capital longitudinal direction Guan Liang parallel to same row's support pile in foundation ditch edge direction）；Laterally coupling beam exists
Transversely by capital longitudinal direction Guan Liang connection on all campsheds；In all support piles or a part of support pile of last row campshed
It is provided with vertical anchor pole or I-steel.
By such scheme, the campshed has three rows, and respectively front campshed, middle campshed, rear campshed, in rear campshed and soil nail wall
Cement mixing method is provided between sloping timbering structure；The support pile of the rear campshed can be straight stake, alternatively expand disk stake；If field
There is weak soil in ground, can be by arranging weak soil between high-pressure rotary jet grouting pile reinforcing pile between each campshed.The structure can increase supporting construction
Resistance to capsizing.
By such scheme, the soil nail wall sloping timbering structure is located at the foundation pit side-wall on rear side of last row's campshed stake top
On；Foundation pit side-wall can adopt two-stage or multistage slope, be equipped with soil nail wall sloping timbering structure, to increase supporting in every grade of slope
The resistance to capsizing of structure.
By such scheme, the front campshed, middle campshed, rear campshed support pile stake footpath is unequal, cause different in size；It is front-seat
The support pile stake footpath of stake is larger, should enter good supporting course, to adapt to different environment.
By such scheme, the front campshed, middle campshed, each support pile of rear campshed are vertically arranged；Or
Each support pile of the front campshed and/or rear campshed is obliquely installed, so that stress is more reasonable；
By such scheme, in all support piles or a part of support pile of the rear campshed, steel bushing is provided with；Anchor pole or work
Word steel is placed in steel bushing, and its one end stretches out steel bushing；It is cement mortar between anchor pole or I-steel and steel bushing；In support pile
The quantity of anchor pole or I-steel can be set to single or many according to place situation, in order to install and increase the anti-of supporting construction
Topple ability.
By such scheme, the anchor pole or I-steel for stretching out steel bushing is connected with anchoring section, under the embedded stake of anchoring section
In rock stratum or good supporting course, anchor pole or I-steel free end are anchored in the Guan Liang of stake top longitudinal direction, to increase the anti-of supporting construction
Topple ability.
By such scheme, the support pile of the rear campshed is provided with more than one reaming anchoring body, so that support pile
Withdrawal resistance is improved, and increases resistance to capsizing.
By such scheme, the space between horizontal coupling beam and stake top longitudinal direction Guan Liang is provided with the reinforced concrete earth mulch with beam uniform thickness
Plate.
If Geological condition is poor, cutting depth is big, need to consider the factors such as long side effect, can be in the Guan Liang of stake top longitudinal direction
If to shoring, angle brace or diagonal brace, level interval L to shoring with angle brace is 40～50m, to increase the intensity of supporting construction.
The beneficial effects of the utility model are：
The engagement of Row Piles Supporting Structure is anchored by soil nail wall sloping timbering structure and stake bottom, and adopts multiple rows of campshed,
The supporting construction can be made to be applied to the deep basal pit that depth reaches 16 ~ 20m, with resistance to capsizing is strong, convenient construction, the construction period
Short the characteristics of；
Strong applicability, cost performance are high, it is possible to resolve apply in excavation of foundation pit depth depth, and the underground space receives neighbouring existing building
The technical barrier of restriction.
The support pile of campshed is provided with reaming anchoring body afterwards, so that the withdrawal resistance of the support pile of rear campshed is improved；And
Anchor pole or I-steel are set in the support pile of campshed afterwards, are made full use of its withdrawal resistance, is optimized whole supporting construction, effectively can carry
The resistance to capsizing and structure integral rigidity of high supporting construction；
The occupancy of the underground space can be reduced, is expanded the scope of application, is particularly well-suited to foundation ditch periphery and there is built building
Etc. the situation that cannot do conventional oblique anchor pole, little are affected on foundation ditch surrounding enviroment, preferably avoid to periphery house foundation with
And the destruction of the underground structure such as underground piping, circuit；
Only have inside foundation ditch in the Guan Liang of stake top longitudinal direction and several roads are set on a small quantity to support, angle brace, or can not according to place situation
Inner support is set, the earth excavation construction in hole is facilitated, the earthwork is dug and transports fast, reduces operating expenses, while also allowing for main body
The construction of structure, shortens the duration, improves overall economic efficiency.
Description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the plane graph of this utility model supporting construction；
Fig. 2 is the A-A profiles of Fig. 1（Campshed arranges anchor pole afterwards）；
Fig. 3, Fig. 4, Fig. 5 are respectively single, double joint, four anchor poles arrange schematic diagram；
Fig. 6 is the A-A profiles of Fig. 1（Campshed arranges I-steel afterwards）；
Fig. 7 is I-steel arrangement schematic diagram；
Fig. 8 is to arrange the plane graph to shoring, in the case of angle brace；
Fig. 9 is the structural representation that front campshed is taper pile；
The structural representation that Figure 10 is front campshed and rear campshed is all taper pile.
Respectively it is numbered in figure：Tri- campsheds of 1-；Campshed before 1.1-；Campshed in 1.2-；Campshed after 1.3-；2- stake tops are longitudinally preced with
Beam；The horizontal coupling beams of 3-；4- reinforced concrete cover plates；5- anchor poles；6- cement mixing methods；7- gunite concrete surface layers；8- soil nailings；
9- foundation ditches bottom；10- steel thimbles；11- I-steel；12- anchorages；13- backing plates；14- anchoring sections；15- reaming anchoring bodys；17- is to top
Support；18- angle braces.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit this utility model.
Referring to Fig. 1-Fig. 7, a kind of supporting construction including the soil nail wall sloping timbering structure being arranged at foundation ditch shallow hole and sets
The stake bottom anchoring Row Piles Supporting Structure at foundation ditch dell is put, staged supporting construction is formed；
Soil nail wall sloping timbering structure include some soil nailings 8 being arranged in soil layer, and some soil nailings 8 connection injection mix
Solidifying soil surface layer 7, gunite concrete surface layer 7 are arranged on domatic；
Anchoring Row Piles Supporting Structure in stake bottom includes the campshed of more than three rows, and in the preferred embodiment, described campshed has three
Row, respectively front campshed 1.1, middle campshed 1.2, rear campshed 1.3, three campsheds are inserted in foundation ditch bottom 9；Incline of course for increasing to resist
Ability is covered, the multiline piles such as four campsheds, five campsheds can also be set；If there is weak soil in place, can be by arranging high pressure between each campshed
Weak soil between rotary churning pile reinforcing pile；Include many support piles per campshed；The support pile of adjacent campshed is connected by horizontal coupling beam 3,
Support pile on same row campshed is connected by capital longitudinal direction Guan Liang 2；Laterally capital on all campsheds is indulged by coupling beam 3 in the horizontal
Connect to Guan Liang 2, the gap between horizontal coupling beam 3 and stake top longitudinal direction Guan Liang 2 is provided with the reinforced concrete earth mulch with beam uniform thickness
Plate 4；Steel bushing 10 is set in all support piles or a part of support pile of campshed 1.3 afterwards, in the steel bushing 10 facility anchor pole 5 or
I-steel 11；One end of anchor pole 5 or I-steel 11 stretch out steel bushing 10 after be connected with anchoring section 14, anchoring section 14 is embedded in a bottom
In lower rock stratum or good supporting course, anchor pole 5 or 11 free end of I-steel are anchored in stake top longitudinal direction Guan Liang by anchorage 12, backing plate 13
On 2；Cement mortar is provided between anchor pole 5 or I-steel 11 and steel bushing 10；The number of anchor pole 5 or I-steel 11 in steel bushing 10
Amount can be set to single or many according to place situation, refer to Fig. 3, Fig. 4, Fig. 5, Fig. 7.
The subsoil water enrichment and during strong soil layer water penetration in the range of the foundation ditch, can be in rear campshed 1.3 and soil nail wall sloping timbering
Cement mixing method 6 is provided between structure；In order to strengthen withdrawal resistance, the support pile of rear campshed 1.3 can be straight stake, alternatively expand disk
Stake；Certainly more than one reaming anchoring body 15 also can be set on rear campshed 1.3.
In the present embodiment, soil nail wall sloping timbering structure is located on the foundation pit side-wall on rear side of 1.3 stake top of rear campshed；Foundation ditch side
Wall can adopt two-stage or multistage slope, be equipped with soil nail wall sloping timbering structure in every grade of slope.
In this utility model, front campshed 1.1, middle campshed 1.2, rear campshed 1.3 support pile stake footpath can be with equal, it is also possible to
Unequal, length can be consistent, it is also possible to inconsistent；In such as Fig. 9 and Figure 10, the support pile of middle campshed 1.2 is than front campshed
1.1st, the support pile of rear campshed 1.3 is short.Front campshed 1.1, middle campshed 1.2, each support pile of rear campshed 1.3 can be vertically arranged,
Such as Fig. 2 and Fig. 6, naturally it is also possible to by the way of combination（Incline, it is vertical）Arrange, such as the support pile of front campshed 1.1 is inclined
Arrange, middle campshed 1.2, the support pile of rear campshed 1.3 are vertically arranged, referring to Fig. 9；Can certainly be front campshed 1.1, rear campshed
1.3 support pile is obliquely installed, and the support pile of middle campshed 1.2 is vertically arranged, referring to Figure 10.
Referring to Fig. 8, if Geological condition is poor, cutting depth is big, need to consider the factors such as long side effect, can be vertical in stake top
Set to shoring 17, angle brace 18 or diagonal brace in Guan Liang 2.In order to increase antidumping moment of flexure, will shore between the level of 17 and angle brace 18
Control between 40～50m away from L.
In this utility model, before and after each campshed between array pitch and each campshed in pile spacing can according to space enrironment,
The practical situations such as layer geology are adjusted, if cutting depth is further increased and geological conditions is poor, it is also contemplated that by middle campshed
1.2nd, front campshed 1.1 is arranged to the form of rear campshed 1.3.The quantity of the reaming anchoring body 15 that pile body of row pile is arranged can be according to institute afterwards
The anchor force for needing determines.
Implementation steps of the present utility model：The soil nail wall sloping timbering structure at construction shallow hole position, props up when excavating first
Shield, fixed-point drill are inserted into soil nailing 8, slip casting, then fill-before-fire concrete topping 7, and earth excavation is to campshed design of pile top mark
It is high.Construct again afterwards three campsheds 1, before 1.3 casting concrete of rear campshed, be inserted in the support pile pile body of rear campshed 1.3
Steel thimble 10, is inserted into anchor pole 5 or I-steel 11, then the anchoring section 14 to being connected with anchor pole 5 or I-steel 11 to steel thimble 10
Slip casting under water is carried out, stake top of constructing then longitudinal direction Guan Liang 2, horizontal coupling beam 3, reinforced concrete cover plate 4, then by 5 free end of anchor pole
It is anchored in the stake top longitudinal direction Guan Liang 2 of rear campshed 1.3.Then excavation construction is carried out to the earthwork layer and section of dell part, is opened
Dig to the bottom absolute altitude of hole, dell portion body structure of constructing, when this partly descends agent structure to implement to three campsheds, 1 stake top absolute altitude
（If having to shoring and angle brace, first removed）, foundation ditch return-enclosure at backfill dell, superficial part foundation ditch agent structure of then constructing are treated
Main structure construction is descended fully after the completion of, then can backfill foundation ditch.
This utility model has compared with strong resistance to capsizing, stability in the large is good, support rigidity is big, can preferably control stake top water
Prosposition is moved；Supporting construction takes up room, and to be suitable for depth deeper for little, more conventional double-row pile, inner support arrange less or without the need for inner support,
It is easy to cheat interior earthwork construction, shortens the duration to a great extent, reduces construction costs.
It should be appreciated that for those of ordinary skills, can be improved according to the above description or be converted,
And all these modifications and variations should all belong to the protection domain of this utility model claims.
Claims (10)
1. a kind of supporting construction, it is characterised in that：Including the soil nail wall sloping timbering structure and setting that are arranged at foundation ditch shallow hole
Stake bottom anchoring Row Piles Supporting Structure at foundation ditch dell；
The gunite concrete surface layer that the soil nail wall sloping timbering structure is included some soil nailings and is connected with some soil nailings；
The stake bottom anchoring Row Piles Supporting Structure includes the campshed of more than three rows, and the support pile of adjacent campshed is connected by horizontal coupling beam
Connect, the support pile on same row campshed is by the Guan Liang connection of capital longitudinal direction；All support piles of campshed or one are arranged at last
Anchor pole or I-steel is provided with branch's fender pile.
2. supporting construction according to claim 1, it is characterised in that：The campshed has three rows, respectively front campshed, middle row
Stake, rear campshed, are provided with cement mixing method between rear campshed and soil nail wall sloping timbering structure；High pressure is provided between each campshed
Rotary churning pile.
3. supporting construction according to claim 1 and 2, it is characterised in that：The soil nail wall sloping timbering structure is located at most
On foundation pit side-wall on rear side of latter row campshed stake top；Foundation pit side-wall can adopt two-stage or multistage slope, be equipped with every grade of slope
Soil nail wall sloping timbering structure.
4. supporting construction according to claim 2, it is characterised in that：The front campshed, middle campshed, the support pile of rear campshed
Stake footpath is unequal, cause different in size.
5. supporting construction according to claim 4, it is characterised in that：The front campshed, middle campshed, each supporting of rear campshed
Stake is vertically arranged；Or
Each support pile of the front campshed and/or rear campshed is obliquely installed.
6. the supporting construction according to claim 2,4 or 5, it is characterised in that：All support piles or one of the rear campshed
Steel bushing is provided with the support pile of part；Anchor pole or I-steel are placed in steel bushing, and its one end stretches out steel bushing.
7. supporting construction according to claim 6, it is characterised in that：The anchor pole or I-steel and anchor for stretching out steel bushing
Gu section connects, under the embedded stake of anchoring section in rock stratum or good supporting course, anchor pole or I-steel free end are anchored in stake top longitudinal direction
In Guan Liang.
8. supporting construction according to claim 6, it is characterised in that：The support pile of the rear campshed is provided with more than one
Reaming anchoring body.
9. supporting construction according to claim 1, it is characterised in that：Space between horizontal coupling beam and stake top longitudinal direction Guan Liang
It is provided with reinforced concrete cover plate.
10. supporting construction according to claim 9, it is characterised in that：Stake top longitudinal direction Guan Liang is provided with to shoring, angle
Support or diagonal brace, level interval L to shoring with angle brace is 40～50m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621045640.5U CN206034454U (en) | 2016-09-09 | 2016-09-09 | Supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621045640.5U CN206034454U (en) | 2016-09-09 | 2016-09-09 | Supporting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206034454U true CN206034454U (en) | 2017-03-22 |
Family
ID=58299812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621045640.5U Expired - Fee Related CN206034454U (en) | 2016-09-09 | 2016-09-09 | Supporting construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206034454U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005085A (en) * | 2017-12-04 | 2018-05-08 | 广东中南建设有限公司 | Foundation pit supporting construction and its construction method |
| CN108487930A (en) * | 2018-02-27 | 2018-09-04 | 中国矿业大学 | A kind of method that rotary churning pile administers deep Soft rock tunnel pucking |
| CN111648377A (en) * | 2020-06-16 | 2020-09-11 | 深圳市勘察测绘院(集团)有限公司 | Vertical and inclined pile combined foundation pit supporting method |
| CN114086563A (en) * | 2021-11-27 | 2022-02-25 | 哈尔滨工业大学 | Construction method for improving bearing capacity of soil body right above shallow tunnel |
| CN117266172A (en) * | 2023-11-23 | 2023-12-22 | 北京建工集团有限责任公司 | Shallow-first-deep excavation method for adjacent foundation pit without coordination of construction progress |
-
2016
- 2016-09-09 CN CN201621045640.5U patent/CN206034454U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005085A (en) * | 2017-12-04 | 2018-05-08 | 广东中南建设有限公司 | Foundation pit supporting construction and its construction method |
| CN108487930A (en) * | 2018-02-27 | 2018-09-04 | 中国矿业大学 | A kind of method that rotary churning pile administers deep Soft rock tunnel pucking |
| CN111648377A (en) * | 2020-06-16 | 2020-09-11 | 深圳市勘察测绘院(集团)有限公司 | Vertical and inclined pile combined foundation pit supporting method |
| CN114086563A (en) * | 2021-11-27 | 2022-02-25 | 哈尔滨工业大学 | Construction method for improving bearing capacity of soil body right above shallow tunnel |
| CN117266172A (en) * | 2023-11-23 | 2023-12-22 | 北京建工集团有限责任公司 | Shallow-first-deep excavation method for adjacent foundation pit without coordination of construction progress |
| CN117266172B (en) * | 2023-11-23 | 2024-02-27 | 北京建工集团有限责任公司 | Shallow-first-deep excavation method for adjacent foundation pit without coordination of construction progress |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20170909 |