CN207260159U - Two layers of basement supporting construction - Google Patents
Two layers of basement supporting construction Download PDFInfo
- Publication number
- CN207260159U CN207260159U CN201720934346.8U CN201720934346U CN207260159U CN 207260159 U CN207260159 U CN 207260159U CN 201720934346 U CN201720934346 U CN 201720934346U CN 207260159 U CN207260159 U CN 207260159U
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- China
- Prior art keywords
- span
- basement
- angled intersection
- supporting construction
- concrete
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of two layers of basement supporting construction, it is characterized in that arch brace is set in the middle part of basement, basement sets right-angled intersection to set steel lattice column to supportting beam, arch brace to support beam crossover sites with right-angled intersection, prestressed stretch-draw pier is set above steel lattice column；When basement cutting depth is less than or equal to 3.5m, vertical plane uses row's supporting construction, drawknot node on steel suspension cable is set to 1/8 span of support beam top, 1/4 span, 3/4 span and 7/8 span position in right-angled intersection, the drawknot node in the case where right-angled intersection sets 3/8 span of support beam lower part, 1/2 span and 5/8 span position steel suspension cable.The utility model has the advantages that construction safety is reliable, cost is low.
Description
Technical field
It the utility model is related to a kind of supporting construction, more particularly to two layers of basement supporting construction.
Background technology
Concrete is set when basement excavation is deeper to supportting to resist passive earth pressure, concrete is to supportting excessive set not
But engineering cost can be increased, and be unfavorable for cutting the earth, concrete can be very big to supportting suffered horizontal axle power, how both to have reduced mixed
Solidifying soil can ensure that the axle power of support safety is the problem that engineering staff faces again.But how to be reduced in the case where ensuring secured premise
Cost.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide two layers of basement supporting construction to come
Lift the purpose of basement supporting safety.
The utility model sets arch brace in the middle part of basement, and arch brace area is 30~80m2, in arch brace
The heart is that arch brace is highly 500~700mm, and arch brace width is 250~300mm at the centre of form of basement geometry.
Basement set right-angled intersection to support beam, right-angled intersection to support beam crosspoint basement geometry the centre of form
Place.Right-angled intersection is 600~800mm to support depth of beam, and right-angled intersection is 250~300mm to support beam width.
Arch brace and right-angled intersection set support beam crossover sites steel lattice column, and steel lattice column insertion engineering pile 500~
600mm, steel lattice column are higher by concrete and bear down on one top surface of the beam 0.7~0.9m of absolute altitude, and prestressed stretch-draw pier is set above steel lattice column.
Basement fender post uses cast-in-situ bored pile；Cast-in-situ bored pile periphery sets cement mixing pile water stopping curtain, cement
The a diameter of 500mm of cement mixing pile used by stirring pile water stopping curtain, adjacent cement mixing pile are mutually twisted 300~400mm；
Concrete capping beam is set at the top of cast-in-situ bored pile, and concrete beam width of bearing down on one is 300mm, is highly 500~600mm；It is local
When lower room cutting depth is more than or equal to 3.5m, concrete breast beam is set, concrete breast beam sets position vertical in the middle part of basement
With concrete capping beam it is identical in plane, concrete breast beam width is 300mm, is highly 500~600mm.
Vertical plane is using two rows of supporting construction；First row supporting construction is in right-angled intersection to 1/8 span of support beam top, 1/
4 spans, 3/4 span and 7/8 span position set drawknot node on steel suspension cable, in right-angled intersection to 3/8 span of support beam lower part, 1/2
Span and 5/8 span position set drawknot node under steel suspension cable, and span refers to right-angled intersection to support beam and concrete capping beam here
Crosspoint and arch brace and right-angled intersection are to the distance between support beam crosspoint.Four corners set concrete cast-in-place slab, mix
The solidifying cast-in-place plate suqare of soil is more than or equal to 5m2, concrete cast-in-situ plate thickness is 12~15mm, and arrangement of reinforcement uses a diameter of 12~14mm；
Since stress concentration occurs in four corners of first row supporting construction, there is provided concrete cast-in-place slab can effectively alleviate this
The stress at a little positions.Second row supporting construction is arranged at the 1/2 of cutting depth, and second row supporting construction is in right-angled intersection to support
1/8 span of beam top, 1/4 span, 3/4 span and 7/8 span position set drawknot node on steel suspension cable, in right-angled intersection to supportting beam
3/8 span of lower part, 1/2 span and 5/8 span position set drawknot node under steel suspension cable, and steel suspension cable uses prestressed stretch-draw；In circle
Ring is supported sets steel pipe to support between concrete capping beam.
The utility model has the advantages that construction safety is reliable, cost is low.
Brief description of the drawings
Fig. 1, supporting construction elevational schematic view, Fig. 2, row's supporting construction floor map, Fig. 3, two row's supporting construction are put down
Face schematic diagram.
In each attached drawing：1st, concrete capping beam, 2, right-angled intersection to supportting beam, 3, steel lattice column, 4, concrete cast-in-place slab, 5,
Concrete breast beam, 6, steel pipe to support, 7, steel suspension cable, 8, prestressed stretch-draw pier.
Embodiment
The present embodiment is described in detail below in conjunction with attached drawing.
The present embodiment sets arch brace in the middle part of basement, and arch brace area is 50m2, arch brace center is ground
At the centre of form of lower room geometry, arch brace is highly 600mm, and arch brace width is 300mm.
Basement set right-angled intersection to support beam 2, right-angled intersection to support beam 2 crosspoint basement geometry shape
At the heart.Right-angled intersection is 700mm to support 2 height of beam, and right-angled intersection is 300mm to support 2 width of beam.
Arch brace sets steel lattice column 3 with right-angled intersection to support 2 crossover sites of beam, and steel lattice column 3 is inserted into engineering pile
600mm, steel lattice column 3 are higher by 1 top surface absolute altitude 0.8m of concrete capping beam, and steel lattice column 3 sets prestressed stretch-draw pier 8 above.
Basement fender post uses cast-in-situ bored pile；Cast-in-situ bored pile periphery sets cement mixing pile water stopping curtain, cement
The a diameter of 500mm of cement mixing pile used by stirring pile water stopping curtain, adjacent cement mixing pile are mutually twisted 350mm；Drilling
Concrete capping beam 1 is set at the top of bored concrete pile, and 1 width of concrete capping beam is 300mm, is highly 600mm；When basement excavates
When depth is more than or equal to 3.5m, concrete breast beam 5 is set, concrete breast beam 5 sets position in vertical plane in the middle part of basement
It is identical with concrete capping beam 1,5 width of concrete breast beam is 300mm, is highly 600mm.
When basement cutting depth is 4.8m, vertical plane is using two rows of supporting construction；First row supporting construction is in cross
2 top of cross-pair support beam, 1/8 span, 1/4 span, 3/4 span and 7/8 span position set drawknot node on steel suspension cable 7, in cross
2 lower part of cross-pair support beam, 3/8 span, 1/2 span and 5/8 span position set steel 7 times drawknot nodes of suspension cable, and four corners set mixed
Solidifying soil Bars In Poured Concrete Slab 4,4 area of concrete cast-in-place slab is 8m2, 4 thickness of concrete cast-in-place slab is 12~15mm, and arrangement of reinforcement is using a diameter of
12~14mm.Second row supporting construction is arranged at the 1/2 of cutting depth, and second row supporting construction is in right-angled intersection to supportting beam 2
1/8 span of top, 1/4 span, 3/4 span and 7/8 span position set drawknot node on steel suspension cable 7, in right-angled intersection to supportting beam 2
3/8 span of lower part, 1/2 span and 5/8 span position set steel 7 times drawknot nodes of suspension cable, and steel suspension cable 7 uses prestressed stretch-draw.
Steel pipe is set between arch brace and concrete capping beam 1 to support 6.
Claims (6)
1. a kind of two layers of basement supporting construction, it is characterized in that setting arch brace in the middle part of basement, arch brace area is
30~80m2, arch brace center is at the centre of form of basement geometry；
Basement sets right-angled intersection, and to supportting beam, right-angled intersection is to supportting the crosspoint of beam at the centre of form of basement geometry；
Arch brace and right-angled intersection set support beam crossover sites steel lattice column, and steel lattice column insertion engineering pile 500~
600mm, steel lattice column are higher by concrete and bear down on one top surface of the beam 0.7~0.9m of absolute altitude, and prestressed stretch-draw pier is set above steel lattice column,
Basement fender post uses cast-in-situ bored pile；Cast-in-situ bored pile periphery sets cement mixing pile water stopping curtain；Drill-pouring
Stake top portion sets concrete capping beam；When basement cutting depth is more than or equal to 3.5m, concrete waist is set in the middle part of basement
Beam, it is identical with concrete capping beam in vertical plane that concrete breast beam, which sets position,；
Vertical plane is using two rows of supporting construction；First row supporting construction right-angled intersection to 1/8 span of support beam top, 1/4 across
Degree, 3/4 span and 7/8 span position set drawknot node on steel suspension cable, in right-angled intersection to 3/8 span of support beam lower part, 1/2 span
Drawknot node under steel suspension cable is set with 5/8 span position, span refers to that right-angled intersection intersects support beam with concrete capping beam here
Point and arch brace set concrete cast-in-place slab with right-angled intersection to the distance between support beam crosspoint, four corners；Second row
Supporting construction is arranged at the 1/2 of cutting depth, second row supporting construction right-angled intersection to 1/8 span of support beam top, 1/4 across
Degree, 3/4 span and 7/8 span position set drawknot node on steel suspension cable, in right-angled intersection to 3/8 span of support beam lower part, 1/2 span
Drawknot node under steel suspension cable is set with 5/8 span position；Steel pipe is set between arch brace and concrete capping beam to support.
2. two layers of basement supporting construction according to claim 1, it is characterized in that arch brace is highly 500~700mm,
Arch brace width is 250~300mm.
3. two layers of basement supporting construction according to claim 1, it is characterized in that right-angled intersection to support depth of beam for 600~
800mm, right-angled intersection are 250~300mm to support beam width.
4. two layers of basement supporting construction according to claim 1, it is characterized in that cement mixing pile water stopping curtain is used
The a diameter of 500mm of cement mixing pile, adjacent cement mixing pile is mutually twisted 300~400mm.
5. two layers of basement supporting construction according to claim 1, it is characterized in that concrete bears down on one, beam width is 300mm,
Highly it is 500~600mm.
6. two layers of basement supporting construction according to claim 1, it is characterized in that concrete cast-in-situ plate suqare is more than or equal to
5m2, concrete cast-in-situ plate thickness is 12~15mm, and arrangement of reinforcement uses a diameter of 12~14mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720934346.8U CN207260159U (en) | 2017-07-30 | 2017-07-30 | Two layers of basement supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720934346.8U CN207260159U (en) | 2017-07-30 | 2017-07-30 | Two layers of basement supporting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207260159U true CN207260159U (en) | 2018-04-20 |
Family
ID=61927463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720934346.8U Expired - Fee Related CN207260159U (en) | 2017-07-30 | 2017-07-30 | Two layers of basement supporting construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207260159U (en) |
-
2017
- 2017-07-30 CN CN201720934346.8U patent/CN207260159U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180420 Termination date: 20180730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |