CN209384247U - The assembling concrete sheet pile foundation pit supporting construction of included crown beam - Google Patents
The assembling concrete sheet pile foundation pit supporting construction of included crown beam Download PDFInfo
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- CN209384247U CN209384247U CN201822108359.7U CN201822108359U CN209384247U CN 209384247 U CN209384247 U CN 209384247U CN 201822108359 U CN201822108359 U CN 201822108359U CN 209384247 U CN209384247 U CN 209384247U
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Abstract
The utility model relates to carry the assembling concrete sheet pile foundation pit supporting construction of crown beam, including the rectangular-shaped supporting ontology surrounded by several prefabricated linear type concrete components and several prefabricated corner type concrete components, the left and right side of linear type concrete component is perpendicular to be equipped with blind mortise A and tenon A；First flanging of corner type concrete component is equipped with blind mortise B in the one side far from the second flanging is perpendicular, and the second flanging of corner type concrete component is equipped with tenon B in the one side far from the first flanging is perpendicular, blind mortise A, tenon A, blind mortise B and tenon B shape be adapted；Running through between the linear type concrete component of the same side and the top of corner type concrete component has steel strand wires.The supporting construction of the included crown beam is at the scene after assembly in place, each crown beam is connected by prestress anchorage cable, and fitting-type steel is horizontally-supported, first of formation horizontally-supported, compared to the complicated procedures of forming of traditional cast-in-place concrete crown beam, there is efficient and convenient remarkable advantage.
Description
Technical field:
The utility model relates to a kind of assembling concrete sheet pile foundation pit supporting constructions of included crown beam.
Background technique:
Foundation pit supporting system generally comprises vertical support system and horizontal struts system two large divisions.Vertical support system is straight
The horizontal direction soil pressure for bearing surrounding formation is connect, common form includes concrete (or fashioned iron) sheet pile, ground-connecting-wall, bored concrete pile
Deng；Horizontal struts system plays bearing or anchorage effect to vertical support system, improves its stress, and common form includes mixed
Solidifying soil (or fashioned iron) crown beam (or waist rail), concrete (or fashioned iron) support etc..
Excavation of foundation pit and the conventional successive of supporting are: 1) applying vertical support system first；2) the first Taoist priest's cap is then applied
Beam and horizontally-supported；3) with excavation of foundation pit, subsequent second (third road, 4th etc.) waist rail and horizontal branch are successively applied
Support.Usual first of crown beam needs biggish rigidity and preferable globality, generally uses concrete cast-in-situ；Subsequent second
(third road, 4th etc.) waist rail considers from convenient construction, is generally spliced using fashioned iron.
The concrete crown beam of cast in situs has the advantages that rigidity is big, good integrity, but simultaneously there is also complex procedures, apply
Work disadvantage long in time limit.
Utility model content:
The utility model makes improvement for the above-mentioned problems of the prior art, i.e., skill to be solved in the utility model
Art problem is to provide a kind of assembling concrete sheet pile foundation pit supporting construction of included crown beam, not only structurally reasonable, but also efficiently
It is convenient.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of pin-connected panel coagulation of included crown beam
Native sheet pile foundation pit supporting construction, including by several prefabricated linear type concrete components and several prefabricated corner type concrete structures
The closed supporting ontology that part surrounds, the left and right side Middle face of the prefabricated linear type concrete component erect be equipped with blind mortise A respectively
With tenon A；First flanging of the prefabricated corner type concrete component is perpendicular equipped with recessed in the middle part of the one side far from the second flanging
Tenon B, the second flanging of prefabricated corner type concrete component is perpendicular equipped with tenon B in the middle part of the one side far from the first flanging, described
Blind mortise A, tenon A, blind mortise B and tenon B shape be adapted.
Further, several described prefabricated linear type concrete components and several prefabricated corner type concrete components enclose
At supporting ontology be it is rectangular-shaped；Prefabricated linear type concrete component and prefabricated corner type concrete component positioned at the same side
Prestress anchorage cable is formed through there are steel strand wires between top.
Further, the prefabricated linear type concrete component includes linear type crown beam and is vertically connected in linear type crown beam
Linear type sheet pile in the middle part of bottom surface；The blind mortise A is arranged on the left side of linear type crown beam and linear type sheet pile, the tenon
A is arranged on the right side of linear type crown beam and linear type sheet pile；First flanging of the prefabricated corner type concrete component with
Angle between second flanging is 90 °, and prefabricated corner type concrete component includes corner type crown beam and is vertically connected with and corner type
Corner type sheet pile in the middle part of crown beam bottom surface；The blind mortise B be arranged in corner type crown beam the first flanging and corner type sheet pile the
On one flanging, the tenon B is arranged on the second flanging of corner type crown beam and the second flanging of corner type sheet pile.
Further, the linear type crown beam is provided along its length in favor of the perforative duct A of steel strand wires, is located at branch
Duct A in the linear type crown beam of shield body length direction and width direction is vertically being dislocatedly distributed；The corner type crown beam
First flanging and the second flanging are respectively equipped with along its length in favor of the perforative duct B of steel strand wires, corner type crown beam first
Duct B on flanging and the second flanging is vertically being dislocatedly distributed and duct A coaxial arrangement ipsilateral with it respectively.
Further, the duct A is two, and two duct A are symmetrically set at left and right sides of the axial line of linear type crown beam；
Duct B on the first flanging and the second flanging of the corner type crown beam is two, the first flanging of corner type crown beam and second
Two duct B on flanging are respectively arranged on the left and right sides of its axial line.
Further, the both ends of the steel strand wires are fixed by anchorage respectively.
Further, described if the upper end of the supporting ontology is equipped with arterial highway horizontal section steel side by side along its length and supports
Horizontal section steel support is parallel with the width direction of supporting ontology, and horizontal section steel supports both ends respectively and positioned at its ipsilateral straight line
It is connected firmly in the middle part of type crown beam.
Compared with prior art, the utility model has the effect that the structure design of the utility model is reasonable, carries crown beam
Concrete sheet-piling assign at the scene it is assembled in place after, each independent crown beam can be connected by prestress anchorage cable, and can
Fitting-type steel is horizontally-supported, quickly forms first of horizontal struts system, compared to the complicated work of traditional cast-in-place concrete crown beam
Sequence (formwork ties up reinforcing bar, pours, conserving) is especially suitable for quick construction, remarkable advantage that is quality controllable, saving the duration
The middle-size and small-size foundation pit supporting system little as cutting depth and excavation area.
Detailed description of the invention:
Fig. 1 is the D structure schematic diagram of the utility model embodiment；
Fig. 2 is the organigram of prefabricated linear type concrete component in the utility model embodiment；
Fig. 3 is the organigram of prefabricated corner type concrete component in the utility model embodiment；
Fig. 4 is the organigram of prestress anchorage cable in the utility model embodiment.
In figure:
The prefabricated linear type concrete component of 1-；11- linear type crown beam；12- linear type sheet pile；13- blind mortise A；The duct 14- A；
15- tenon A；The prefabricated corner type concrete component of 2-；21- corner type crown beam；22- corner type sheet pile；23- blind mortise B；The duct 24-
B；25- tenon B；3- prestress anchorage cable；31- steel strand wires；32- anchorage；4- fashioned iron is horizontally-supported.
Specific embodiment:
In order to more clearly explain the utility model, the utility model is done furtherly with embodiment with reference to the accompanying drawing
It is bright, it should be apparent that, draw figures listed below is only some specific embodiments of the utility model.
As shown in figures 1-4, the assembling concrete sheet pile foundation pit supporting construction of a kind of included crown beam of the utility model, packet
Include the closed supporting surrounded by several prefabricated linear type concrete component 1 and several prefabricated corner type concrete components 2
Ontology, the left and right side Middle face of the prefabricated linear type concrete component 1 erect be equipped with blind mortise A13 and tenon A15 respectively；It is described
First flanging of prefabricated corner type concrete component 2 erects in the middle part of the one side far from the second flanging is equipped with blind mortise B23, and prefabricated turn
Second flanging of angle-style concrete component 2 erects in the middle part of the one side far from the first flanging is equipped with tenon B25, the blind mortise A13,
The shape of tenon A15, blind mortise B23 and tenon B25 are adapted, in order to carry out assembled connection between each other.
In the present embodiment, several described prefabricated linear type concrete components 1 and several prefabricated corner type concrete structures
The supporting ontology that part 2 surrounds is rectangular-shaped；Prefabricated linear type concrete component 1 and prefabricated corner type concrete positioned at the same side
Prestress anchorage cable 3 is formed through there are steel strand wires 31 between the top of component 2.
In the present embodiment, the prefabricated linear type concrete component 1 includes linear type crown beam 11 and is vertically connected in straight line
Linear type sheet pile 12 in the middle part of 11 bottom surface of type crown beam, linear type sheet pile 12 are parallel with linear type crown beam 11；The blind mortise A13 is set
It sets on the left side of linear type crown beam 11 and linear type sheet pile 12, the tenon A15 is arranged in linear type crown beam 11 and straight line
On the right side of template stake 12；Angle between the first flanging and the second flanging of the prefabricated corner type concrete component 2 is
90 °, prefabricated corner type concrete component 2 includes corner type crown beam 21 and is vertically connected with turn with 21 Middle face of corner type crown beam bottom
Angle-style sheet pile 22, two flangings of corner type crown beam 21 are parallel with two flangings of corner type sheet pile 22 respectively；The blind mortise B23 is set
It sets on the first flanging of corner type crown beam 21 and the first flanging of corner type sheet pile 22, the tenon B25 is arranged in corner type
On second flanging of crown beam 21 and the second flanging of corner type sheet pile 22.
In the present embodiment, the linear type crown beam 11 is provided along its length in favor of the perforative duct of steel strand wires 31
A14, the duct A14 in the linear type crown beam 11 of supporting body length direction and width direction are vertically being dislocatedly distributed；Institute
The first flanging and the second flanging for stating corner type crown beam 21 are respectively equipped with along its length in favor of the perforative hole of steel strand wires 31
Road B24, duct B24 on 21 first flanging of corner type crown beam and the second flanging are vertically being dislocatedly distributed and ipsilateral with it respectively
Duct A14 coaxial arrangement.
In the present embodiment, the duct A14 is two, and two duct A14 are symmetrically set in the axial line of linear type crown beam 11
The left and right sides；Duct B24 on the first flanging and the second flanging of the corner type crown beam 21 is two, corner type crown beam 21
Two duct B24 on first flanging and the second flanging are respectively arranged on the left and right sides of its axial line.
In the present embodiment, it is fixed that the both ends of the steel strand wires 31 pass through anchorage 32 respectively.
In the present embodiment, if the upper end of the supporting ontology is equipped with arterial highway horizontal section steel support 4, institute side by side along its length
It is 4 parallel with the width direction of supporting ontology to state horizontal section steel support, horizontal section steel support 4 both ends respectively with it is ipsilateral positioned at its
The middle part of linear type crown beam 11 connects firmly.
Specific implementation process: (1) prefabrication ten prefabricated linear type concrete components 1 and four and corner type concrete
Component 2, the length of prefabricated linear type concrete component 1 are 2m, and the section of linear type crown beam 11 is the square shape of 0.5m × 0.5m,
Linear type sheet pile 12 with a thickness of 0.2m, be highly the sectional dimension of 5.5m, tenon A15 and blind mortise A13 be 50mm × 100mm,
The duct A14 that diameter is 20mm is reserved in linear type crown beam 11；The length of prefabricated corner type concrete component 2 is 1m+1m, corner
The sectional dimension of type crown beam 21 be 0.5m × 0.5m square shape, corner type sheet pile 22 with a thickness of 0.2m, highly be 5.5m, it is convex
The sectional dimension of tenon B25 and blind mortise B23 are 50mm × 100mm, while the duct that diameter is 20mm is reserved in corner type crown beam 21
B24；(2) ten linear type concrete components 1 and four corner type concrete structures 2 are successively squeezed into stratum by predetermined position
In, it is connected by blind mortise with tenon assembly between each component, the plate of linear type concrete component 1 and corner type concrete component 2
Stake enters stratum, and crown beam exposes earth's surface, preliminarily forms the vertical support system of closed foundation pit；(3) by eight 15.20mm models
Steel strand wires 31 penetrate reserving hole channel A14 and duct B24, are locked after 31 end tensioning of steel strand wires with M15-N anchorage 32, altogether
With prestress anchorage cable 3 is formd, each independent crown beam is connected；(4) laying one of sectional dimension at the middle part of foundation pit is
300mm × 300mm × 10mm square steel horizontally-supported 4, the horizontally-supported and both ends parallel with the short side direction of foundation pit and straight line
It is fixed as one in the middle part of type crown beam, has quickly formed first of horizontal struts system of foundation pit；(5) first of horizontal supports
After the completion of system, the processes such as subsequent excavation can be carried out.
The above is only the preferred embodiment of the present invention, it is all done according to present utility model application the scope of the patents it is equal
Deng variation and modification, it should all belong to the covering scope of the utility model.
Claims (7)
1. a kind of assembling concrete sheet pile foundation pit supporting construction of included crown beam, it is characterised in that: including prefabricated by several
The closed supporting ontology that linear type concrete component and several prefabricated corner type concrete components surround, the prefabricated straight line
The left and right side Middle face of type concrete component erects be equipped with blind mortise A and tenon A respectively；The prefabricated corner type concrete component
First flanging is perpendicular in the middle part of the one side far from the second flanging to be equipped with blind mortise B, the second flanging of prefabricated corner type concrete component
It is perpendicular in the middle part of the one side far from the first flanging to be equipped with tenon B, the shape phase of the blind mortise A, tenon A, blind mortise B and tenon B
It adapts to.
2. the assembling concrete sheet pile foundation pit supporting construction of included crown beam according to claim 1, it is characterised in that: institute
Stating the supporting ontology that several prefabricated linear type concrete components and several prefabricated corner type concrete components surround is rectangle
Shape；Running through between the prefabricated linear type concrete component of the same side and the top of prefabricated corner type concrete component has steel
Twisted wire forms prestress anchorage cable.
3. the assembling concrete sheet pile foundation pit supporting construction of included crown beam according to claim 2, it is characterised in that: institute
State the straight plate that prefabricated linear type concrete component includes linear type crown beam and is vertically connected in the middle part of linear type crown beam bottom surface
Stake；The blind mortise A is arranged on the left side of linear type crown beam and linear type sheet pile, and the tenon A is arranged in linear type crown beam
On the right side of linear type sheet pile；Angle between the first flanging and the second flanging of the prefabricated corner type concrete component
It is 90 °, prefabricated corner type concrete component includes corner type crown beam and is vertically connected with and the corner in the middle part of corner type crown beam bottom surface
Template stake；The blind mortise B is arranged on the first flanging of corner type crown beam and the first flanging of corner type sheet pile, the tenon B
It is arranged on the second flanging of corner type crown beam and the second flanging of corner type sheet pile.
4. the assembling concrete sheet pile foundation pit supporting construction of included crown beam according to claim 3, it is characterised in that: institute
It states linear type crown beam to be provided along its length in favor of the perforative duct A of steel strand wires, is located at supporting body length direction and width
The duct A spent in the linear type crown beam in direction is vertically being dislocatedly distributed；The first flanging and the second flanging of the corner type crown beam
It is respectively equipped with along its length in favor of the perforative duct B of steel strand wires, on the first flanging of corner type crown beam and the second flanging
Duct B is vertically being dislocatedly distributed and ipsilateral with it respectively duct A coaxial arrangement.
5. the assembling concrete sheet pile foundation pit supporting construction of included crown beam according to claim 4, it is characterised in that: institute
Stating duct A is two, and two duct A are symmetrically set at left and right sides of the axial line of linear type crown beam；The of the corner type crown beam
Duct B on one flanging and the second flanging is two, and two duct B on the first flanging of corner type crown beam and the second flanging points
Not She Yu its axial line the left and right sides.
6. the assembling concrete sheet pile foundation pit supporting construction of included crown beam according to claim 3, it is characterised in that: institute
The both ends for stating steel strand wires are fixed by anchorage respectively.
7. the assembling concrete sheet pile foundation pit supporting construction of included crown beam according to claim 3, it is characterised in that: institute
If the upper end for stating supporting ontology is equipped with arterial highway horizontal section steel side by side along its length and supports, the horizontal section steel support and supporting sheet
The width direction of body is parallel, and horizontal section steel support both ends are connected firmly in the middle part of its ipsilateral linear type crown beam respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822108359.7U CN209384247U (en) | 2018-12-17 | 2018-12-17 | The assembling concrete sheet pile foundation pit supporting construction of included crown beam |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822108359.7U CN209384247U (en) | 2018-12-17 | 2018-12-17 | The assembling concrete sheet pile foundation pit supporting construction of included crown beam |
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| CN209384247U true CN209384247U (en) | 2019-09-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440782A (en) * | 2018-12-17 | 2019-03-08 | 福州大学 | The assembling concrete sheet pile foundation pit supporting construction and its construction method of included crown beam |
| CN114061992A (en) * | 2020-08-06 | 2022-02-18 | 中国电建集团华东勘测设计研究院有限公司 | Assembled model groove device for indoor shield tunneling test and test method thereof |
-
2018
- 2018-12-17 CN CN201822108359.7U patent/CN209384247U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440782A (en) * | 2018-12-17 | 2019-03-08 | 福州大学 | The assembling concrete sheet pile foundation pit supporting construction and its construction method of included crown beam |
| CN109440782B (en) * | 2018-12-17 | 2023-12-15 | 福州大学 | Assembled concrete slab pile foundation pit supporting structure with crown beam and construction method thereof |
| CN114061992A (en) * | 2020-08-06 | 2022-02-18 | 中国电建集团华东勘测设计研究院有限公司 | Assembled model groove device for indoor shield tunneling test and test method thereof |
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