CN106638619A - Foundation-pit support building structure - Google Patents
Foundation-pit support building structure Download PDFInfo
- Publication number
- CN106638619A CN106638619A CN201611185759.7A CN201611185759A CN106638619A CN 106638619 A CN106638619 A CN 106638619A CN 201611185759 A CN201611185759 A CN 201611185759A CN 106638619 A CN106638619 A CN 106638619A
- Authority
- CN
- China
- Prior art keywords
- building structure
- cement mixing
- prestressed concrete
- concrete prefabricated
- collar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention provides a foundation-pit support building structure, and belongs to the technical field of foundation-pit supports. The foundation-pit support building structure comprises a reinforced concrete top beam, a plurality of cement soil mixing piles, a plurality of prestressed concrete prefabricated pipe piles, a plurality of anchor rods and a reinforced net sheet. The multiple cement soil mixing piles are continuously and evenly distributed along the inner wall of a foundation pit, and the two adjacent prestressed concrete prefabricated pipe piles are sleeved with a plurality of tensioning rings at intervals in the height direction, the prestressed concrete prefabricated pipe piles are evenly stressed through the tensioning rings, the reliability is enhanced, the tension-resistant strength and the safety factor of the prestressed concrete prefabricated pipe piles are high, the whole building structure is firmer through the prestressed concrete prefabricated pipe piles, stress is reliable, the water stopping effect is good, construction is convenient, and the foundation-pit support building structure is suitable for a large-site foundation pit and also suitable for a foundation pit with a small construction site and buildings on the edge.
Description
Technical field
The invention belongs to Base hole supporting technology field, and in particular to a kind of pattern foundation pit supporting structure building structure.
Background technology
As the fast development of China's economic construction, urban skyscraper are emerged in multitude, embedded depth of foundation is increasing, adjoint
Occur in that many deep basal pits.Because City Building is intensive, foundation ditch ambient environmental conditions are complicated, in many cases, foundation ditch week
Enclose and there is existing building, thus generally foundation ditch periphery arrange supporting building structure come ensure deep basal pit and close on it is existing
The safety of building.
At present, the supporting construction of foundation ditch typically adopts Cement-soil Gravity enclosure wall, cast-in-situ bored pile or vertical type steel pipe
Front supporting construction.Without support in Cement-soil Gravity enclosure wall hole, Bit andits control ability, construction quality is difficult to control to；Drilling
Bored concrete pile cost for shallow foundation pit is high, and the later stage eats support and must remove, and affects construction；Supporting construction steel pipe before vertical type steel pipe
Front support is arranged on inside foundation ditch, is had to the construction in foundation ditch and is stepped down for support before steel pipe, and construction is had undesirable effect.
In sum, existing supporting building structure can not meet existing foundation ditch ambient environmental conditions complexity, particularly base
Cheat the requirement to foundation ditch when around there is existing building group.
The content of the invention
In order to overcome the shortcomings of that above-mentioned prior art is present, the invention provides a kind of pattern foundation pit supporting structure building structure.
To achieve these goals, the present invention provides following technical scheme：
A kind of pattern foundation pit supporting structure building structure, including armored concrete Guan Liang, multiple cement mixing methods, multiple prestressing force is mixed
Solidifying soil prefabricated tubular pile, multiple anchor poles and reinforced mesh；
Multiple cement mixing methods are uniformly arranged along foundation ditch inwall, and the cement mixing method inner side is provided with reinforcing bar
Mesh sheet, multiple cement mixing methods and multiple reinforced mesh constitute building structure frame, the building structure frame
It is interior filled with pea gravel concreten, the building structure frame and the pea gravel concreten form water-stop curtain, the water-stop curtain
Offer inclined fixing hole in the soil layer in outside, described anchor pole one end be arranged on the water-stop curtain inner side and by block and
The water-stop curtain is abutted, and the anchor pole other end tilts through the water-stop curtain and is arranged in the fixing hole, described
Armored concrete Guan Liang is arranged on the cement mixing method upper end, and the reinforced concrete is stretched in the cement mixing method upper end
In native Guan Liang；
Multiple prestressed concrete prefabricated tubular piles are two neighboring described around the uniform arrangement in water-stop curtain inner side
Prestressed concrete prefabricated tubular pile is spaced in short transverse and is arranged with multiple tensioning rings.
Also include multiple branch sleeves, the diameter of the branch sleeve is mixed with the cement mixing method or the prestressing force
The external diameter of solidifying soil prefabricated tubular pile is identical, and the branch sleeve is by the cement mixing method or the prestressed concrete prefabricated pipe
Stake is connected two-by-two, extends the height of the cement mixing method or the prestressed concrete prefabricated tubular pile.
Preferably, also including fixture, the fixture includes fix bar and semicircular first collar and second collar,
First collar and second collar both sides are respectively arranged with contiguous block, and screw hole is offered on the contiguous block, described
Fix bar is fixedly connected with first collar, and the radius of first collar and second collar is stirred with the soil cement
The radius for mixing stake is identical, and first collar and second collar connect and compose an annulus by the contiguous block, described
Annulus is socketed on the cement mixing method, and the fix bar is inserted in the soil layer on the outside of the water-stop curtain.
Preferably, preservative is scribbled in the anchor pole and the fix bar.
Preferably, the end of the anchor pole and the fix bar is provided with anchor structure.
Preferably, the fixture is anchor pole, and described anchor pole one end is arranged on the water-stop curtain inner side and by block
Abut with the water-stop curtain, the anchor pole other end is inclined and mounted in the soil layer around the foundation ditch.
Preferably, at least offer three screw holes on the branch sleeve, the cement mixing method or it is described it is pre- should
Power concrete precast pipe pile two ends offer the installing hole matched with the screw hole.
Preferably, the prestressed concrete prefabricated tubular pile lower end is taper.
Preferably, the depth of the foundation ditch bottom is stretched into more than the cement in the prestressed concrete prefabricated tubular pile lower end
Native mixing pile stretches into the depth of the foundation ditch bottom.
The pattern foundation pit supporting structure building structure that the present invention is provided is rational in infrastructure, including armored concrete Guan Liang, multiple soil cements are stirred
Stake, multiple prestressed concrete prefabricated tubular piles, multiple anchor poles and reinforced mesh are mixed, multiple cement mixing methods connect along foundation ditch inwall
Continuous uniform arrangement, armored concrete Guan Liang is arranged on pre- cement mixing method upper end, and cement mixing method upper end is stretched into reinforcing bar and mixed
Solidifying soil Guan Liang inner side, multiple cement mixing methods and reinforced mesh constitute building structure frame, are filled with building structure frame
Pea gravel concreten, building structure frame forms water-stop curtain with pea gravel concreten, if being also arranged with cement mixing method solid
Determine part, fixture can be fixed on cement mixing method on foundation ditch inwall, and whole water-stop curtain stress reliability, stagnant water effect is good,
Easy construction, and cement mixing method tensile strength and safety coefficient are high.Multiple prestressed concrete prefabricated tubular piles surround sealing
Curtain clear width is arranged, and two neighboring prestressed concrete prefabricated tubular pile is spaced in short transverse and is arranged with multiple tensions
Ring, the setting of tensioning ring causes prestressed concrete prefabricated tubular pile uniform force, reliability to strengthen.Prestressed concrete prefabricated pipe
The setting of stake causes whole pattern foundation pit supporting structure building structure more to consolidate, and is increased by force intensity, is both adapted to the foundation ditch in big place, fits again
Conjunction construction site is less, the foundation ditch that there is building at edge.
Description of the drawings
Fig. 1 is the overlooking the structure diagram of the pattern foundation pit supporting structure building structure of the embodiment of the present invention 1；
Fig. 2 is the main structure diagram of the pattern foundation pit supporting structure building structure of the embodiment of the present invention 1；
Fig. 3 is the overlooking the structure diagram of the pattern foundation pit supporting structure building structure of the embodiment of the present invention 2；
Fig. 4 is the main structure diagram of the pattern foundation pit supporting structure building structure of the embodiment of the present invention 2；
Fig. 5 is the structural representation of fixture.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is further described.Following examples are only used for more
Technical scheme is clearly demonstrated, and can not be limited the scope of the invention with this.
Embodiment 1
The invention provides a kind of pattern foundation pit supporting structure building structure, specifically as depicted in figs. 1 and 2, including armored concrete hat
Beam 1, multiple cement mixing methods 2, multiple prestressed concrete prefabricated tubular piles 3, multiple anchor poles 12 and reinforced mesh 8.
Multiple cement mixing methods 2 are uniformly arranged along the inwall of foundation ditch 4, and the inner side of cement mixing method 2 is provided with reinforced mesh
8, the setting of tensioning ring 2 causes the uniform force of cement mixing method 2, reliability to strengthen.Multiple cement mixing methods 2 and bar-mat reinforcement
Piece 8 is constituted and be filled with building structure frame, building structure frame pea gravel concreten 6, building structure frame and pea gravel concreten 6
Formed in water-stop curtain, the soil layer 10 on the outside of water-stop curtain and offer inclined fixing hole, the one end of anchor pole 12 is arranged on sealing curtain
Curtain inner side is simultaneously abutted by block with water-stop curtain, and the other end of anchor pole 12 tilts through water-stop curtain and is arranged in fixing hole,
Armored concrete Guan Liang 1 is arranged on the upper end of soil mixing pile 2, and the upper end of cement mixing method 2 is stretched in armored concrete Guan Liang 1.
Multiple prestressed concrete prefabricated tubular piles 3 are around the uniform arrangement in water-stop curtain inner side, two neighboring prestressed concrete
Native prefabricated tubular pile 3 is spaced in short transverse and is arranged with multiple tensioning rings 5.The setting of prestressed concrete prefabricated tubular pile 3 is caused
Whole building structure is more consolidated, and is increased by force intensity, is both adapted to the foundation ditch in big place, is adapted to that construction site is less, edge again
There is the foundation ditch of building.
Further, also including multiple branch sleeves 7, the diameter of branch sleeve 7 is mixed with cement mixing method 2 or prestressing force
The external diameter of solidifying soil prefabricated tubular pile 3 is identical, can determine that cement mixing method 2 and prestressed concrete are pre- according to foundation depth demand
The quantity of tubulation stake 3, is two-by-two connected cement mixing method 2 or prestressed concrete prefabricated tubular pile 3 by branch sleeve 7, is prolonged
The height of long cement mixing method 2 or prestressed concrete prefabricated tubular pile 3.Meanwhile, so arranging can also reduce single soil cement
The length of mixing pile 2 or prestressed concrete prefabricated tubular pile 3, convenient transport and mobile, mitigation construction intensity.
In order that cement mixing method 2 or prestressed concrete prefabricated tubular pile 3 are connected firm with branch sleeve 7, adapter sleeve
Three screw holes 11 are at least offered on cylinder 7, cement mixing method 2 or the two ends of prestressed concrete prefabricated tubular pile 3 offer
The installing hole matched with screw hole 11, the quantity of screw hole is eight in the present embodiment, and eight screw holes are evenly distributed on connection
On the side wall of sleeve 7.
In the present embodiment, the lower end of prestressed concrete prefabricated tubular pile 3 is taper so that prestressed concrete prefabricated tubular pile 3
It is easier to stretch into sub-surface, while scribbling preservative on anchor pole 12, the end of anchor pole 12 is provided with anchor structure, anchoring knot
Structure can improve the compactness connected between anchor pole 12 and soil layer 10, improve the stability of whole building structure.
In the present embodiment, the lower end of prestressed concrete prefabricated tubular pile 3 stretches into the depth of the bottom of foundation ditch 4 and is more than Soil-cement
The depth of the bottom of foundation ditch 4 is stretched in stake 2.
Embodiment 2
As shown in Figures 3 to 5, in the present embodiment, in the present embodiment, also including fixture 9, fixture includes fix bar 9-
3 and semicircular first collar 9-1 and the second collar 9-2, the first collar 9-1 and the second collar 9-2 both sides be respectively arranged with company
Meet block 9-4, screw hole offered on contiguous block 9-4, fix bar 9-3 is fixedly connected with the first collar 9-1, the first collar 9-1 and
The radius of the second collar 9-2 is identical with the radius of soil mixing pile 2, and the first collar 9-1 and the second collar 9-2 passes through contiguous block
9-4 connects and composes an annulus, and annulus is socketed on soil mixing pile 2, the soil layer 10 on the outside of fix bar 9-3 insertion water-stop curtain
It is interior.Fixture is fixed on cement mixing method 2 on the inwall of foundation ditch 4, and whole water-stop curtain stress reliability, stagnant water effect is good, applies
Work is convenient, and the tensile strength of cement mixing method 2 and safety coefficient are high.Meanwhile, preservative, fix bar are scribbled in fix bar 9-3
The end of 9-3 is provided with anchor structure.Remaining structure is same as Example 1, repeats no more here.
The embodiment described above only present invention preferably specific embodiment, protection scope of the present invention not limited to this,
Any those of ordinary skill in the art in the technical scope of present disclosure, the technical scheme that can be become apparent to
Simple change or equivalence replacement, belong to protection scope of the present invention.
Claims (8)
1. a kind of pattern foundation pit supporting structure building structure, it is characterised in that including armored concrete Guan Liang (1), multiple cement mixing methods
(2), multiple prestressed concrete prefabricated tubular piles (3), multiple anchor poles (12) and reinforced mesh (8)；
Multiple cement mixing methods (2) are uniformly arranged along foundation ditch (4) inwall, and cement mixing method (2) inner side is arranged
There is reinforced mesh (8), multiple cement mixing methods (2) and the reinforced mesh (8) constitute building structure frame, described to build
Pea gravel concreten (6) is filled with building structure framework, the building structure frame forms sealing curtain with the pea gravel concreten (6)
Inclined fixing hole is offered in curtain, the soil layer (10) on the outside of the water-stop curtain, described anchor pole (12) one end is arranged on described
Water-stop curtain inner side is simultaneously abutted by block with the water-stop curtain, and anchor pole (12) other end tilts through the sealing curtain
Curtain is simultaneously arranged in the fixing hole, and the armored concrete Guan Liang (1) is arranged on the cement mixing method (2) upper end, institute
State cement mixing method (2) upper end to stretch in the armored concrete Guan Liang (1)；
Multiple prestressed concrete prefabricated tubular piles (3) are two neighboring described around the uniform arrangement in water-stop curtain inner side
Prestressed concrete prefabricated tubular pile (3) is spaced in short transverse and is arranged with multiple tensioning rings (5).
2. pattern foundation pit supporting structure building structure according to claim 1, it is characterised in that also including multiple branch sleeves (7), institute
State the diameter and the cement mixing method (2) or the external diameter phase of the prestressed concrete prefabricated tubular pile (3) of branch sleeve (7)
Together, the branch sleeve (7) is two-by-two connected the cement mixing method (2) or the prestressed concrete prefabricated tubular pile (3),
Extend the height of the cement mixing method (2) or the prestressed concrete prefabricated tubular pile (3).
3. pattern foundation pit supporting structure building structure according to claim 1, it is characterised in that also including fixture (9), the fixation
Part (9) includes fix bar (9-3) and semicircular first collar (9-1) and second collar (9-2), first collar (9-1)
Contiguous block (9-4) is respectively arranged with second collar (9-2) both sides, screw hole is offered on the contiguous block (9-4), institute
State fix bar (9-3) to be fixedly connected with first collar (9-1), first collar (9-1) and second collar (9-2)
Radius it is identical with the radius of the cement mixing method (2), first collar (9-1) and second collar (9-2)
One annulus is connected and composed by the contiguous block (9-4), the annulus is socketed on the cement mixing method (2), described
Fix bar (9-3) is inserted in the soil layer (10) on the outside of the water-stop curtain.
4. pattern foundation pit supporting structure building structure according to claim 3, it is characterised in that the anchor pole (12) and the fix bar
(9-3) preservative is scribbled on.
5. pattern foundation pit supporting structure building structure according to claim 3, it is characterised in that the anchor pole (12) and the fix bar
(9-3) end is provided with anchor structure.
6. pattern foundation pit supporting structure building structure according to claim 2, it is characterised in that at least open on the branch sleeve (7)
Three screw holes (11) are provided with, the cement mixing method (2) or the prestressed concrete prefabricated tubular pile (3) two ends open up
There is the installing hole matched with the screw hole (11).
7. pattern foundation pit supporting structure building structure according to claim 1, it is characterised in that the prestressed concrete prefabricated tubular pile
(3) lower end is taper.
8. pattern foundation pit supporting structure building structure according to claim 1, it is characterised in that the prestressed concrete prefabricated tubular pile
(3) lower end stretches into the depth of the foundation ditch (4) bottom and stretches into the foundation ditch (4) bottom more than the cement mixing method (2)
Depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611185759.7A CN106638619B (en) | 2016-12-20 | 2016-12-20 | A kind of pattern foundation pit supporting structure building structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611185759.7A CN106638619B (en) | 2016-12-20 | 2016-12-20 | A kind of pattern foundation pit supporting structure building structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106638619A true CN106638619A (en) | 2017-05-10 |
| CN106638619B CN106638619B (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611185759.7A Active CN106638619B (en) | 2016-12-20 | 2016-12-20 | A kind of pattern foundation pit supporting structure building structure |
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| CN (1) | CN106638619B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165173A (en) * | 2017-07-18 | 2017-09-15 | 中冶华天南京工程技术有限公司 | A kind of foundation pit supporting system and its construction method |
| CN108457279A (en) * | 2018-03-21 | 2018-08-28 | 中国建筑第六工程局有限公司 | A kind of foundation pit enclosure structure cast-in-situ bored pile collapse hole in-situ treatment method |
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| CN1332296A (en) * | 2001-08-16 | 2002-01-23 | 吕怀民 | Construction process of retaining wall with inner anchoring wall |
| CN203238642U (en) * | 2013-03-19 | 2013-10-16 | 深圳市工勘岩土工程有限公司 | Supporting retaining wall of foundation pit |
| CN104074197A (en) * | 2014-03-20 | 2014-10-01 | 温州大学 | Large-diameter thin-walled tubular pile composite anchor rod type foundation pit support structure and construction method thereof |
| CN104563129A (en) * | 2014-12-31 | 2015-04-29 | 云南建工基础工程有限责任公司 | Double-row pile structure with cored horizontal rotary jet grouting pile on pile body |
| CN204780990U (en) * | 2015-06-11 | 2015-11-18 | 云南建工基础工程有限责任公司 | Combined type retaining wall structure |
| JP2016089478A (en) * | 2014-11-05 | 2016-05-23 | ヒロセ株式会社 | Frame structure of earth retaining wall |
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2016
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332296A (en) * | 2001-08-16 | 2002-01-23 | 吕怀民 | Construction process of retaining wall with inner anchoring wall |
| CN203238642U (en) * | 2013-03-19 | 2013-10-16 | 深圳市工勘岩土工程有限公司 | Supporting retaining wall of foundation pit |
| CN104074197A (en) * | 2014-03-20 | 2014-10-01 | 温州大学 | Large-diameter thin-walled tubular pile composite anchor rod type foundation pit support structure and construction method thereof |
| JP2016089478A (en) * | 2014-11-05 | 2016-05-23 | ヒロセ株式会社 | Frame structure of earth retaining wall |
| CN104563129A (en) * | 2014-12-31 | 2015-04-29 | 云南建工基础工程有限责任公司 | Double-row pile structure with cored horizontal rotary jet grouting pile on pile body |
| CN204780990U (en) * | 2015-06-11 | 2015-11-18 | 云南建工基础工程有限责任公司 | Combined type retaining wall structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165173A (en) * | 2017-07-18 | 2017-09-15 | 中冶华天南京工程技术有限公司 | A kind of foundation pit supporting system and its construction method |
| CN108457279A (en) * | 2018-03-21 | 2018-08-28 | 中国建筑第六工程局有限公司 | A kind of foundation pit enclosure structure cast-in-situ bored pile collapse hole in-situ treatment method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106638619B (en) | 2018-12-14 |
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Inventor after: Wang Zhihua Inventor after: Yu Pengtao Inventor after: Su Shaoyan Inventor after: Liu Xushou Inventor after: Lu Baohua Inventor after: Wang Yipu Inventor before: Wang Zhihua Inventor before: Yu Pengtao Inventor before: Su Shaoyan Inventor before: Liu Xushou Inventor before: Lu Baohua Inventor before: Wang Yipu |