CN207277110U - Insulation infiltration combined type underdrain structure - Google Patents
Insulation infiltration combined type underdrain structure Download PDFInfo
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- CN207277110U CN207277110U CN201721252189.9U CN201721252189U CN207277110U CN 207277110 U CN207277110 U CN 207277110U CN 201721252189 U CN201721252189 U CN 201721252189U CN 207277110 U CN207277110 U CN 207277110U
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Abstract
The utility model discloses insulation infiltration combined type underdrain structure, including foundation pit, mattress layer, concrete pedestal and cast skeleton have been sequentially connected with foundation pit from top to bottom, cast skeleton includes the multiple gate skeletons being interval with along foundation pit length direction, concrete pedestal is equipped with soakaway trench with holes, gate skeleton two side ends are equipped with the permeable bed course in side, are sequentially equipped with from top to bottom in cast skeleton and cover pipe pad layer, metalling, medium-sand seam, thermal insulation board and the soil layer that bears down on one, filled in foundation pit by backfill.It is simple and practicable, and obtained insulation infiltration combined type underdrain independence is strong, reliable in quality, has the advantages that the efficient, high insulating effect that seeps water to alpine meadow region, has preferable economic technology benefit, suitable for promoting and applying.
Description
Technical field
The utility model belongs to construction engineering technical field, and in particular to insulation infiltration combined type underdrain structure.
Background technology
In extremely frigid zones roadbed construction, underground water is to influence the key factor that subgrade engineering is stablized.Roadbed soil layer
Water content size, water content distribution and ambient temperature conversion, be influence extremely frigid zones subgrade stability principal element, on the one hand
The infiltration and corrosion function of underground water can reduce foundation strength, compressibility increase, the freezing of underground water in another aspect roadbed,
Thawing can make roadbed unevenly lift, sink, and so roadbed can for a long time be deformed and crack, influences roadbed quality.
Using underdrain satisfy the need base underground water carry out cut, row processing be punish extremely frigid zones roadbed underground water effective measures,
This method can alleviate destruction of the underground water to subgrade stability, but there are following defect for traditional underdrain：The entirety of underdrain structure
Property it is poor, with soil layer fix loosely, when backfill is constructed, underdrain structure easily slides or occurs the phase between underdrain internal structure
To dislocation；The permeable bed course orthostatic in side is poor, causes constructional difficulties.
Utility model content
The purpose of this utility model is to provide insulation infiltration combined type underdrain structure, construction method is simple and practicable, obtains
The insulation infiltration combined type underdrain reliable in quality arrived, has the advantages that alpine meadow region the efficient, high insulating effect that seeps water, tool
There is preferable economic technology benefit, suitable for promoting and applying.
To realize above-mentioned technical purpose, it is dark that the major technique solution of the utility model is to provide insulation infiltration combined type
Ditch structure, including foundation pit, have been sequentially connected with mattress layer, concrete pedestal and cast skeleton, cast skeleton in foundation pit from top to bottom
Including the multiple gate skeletons being interval with along foundation pit length direction, concrete pedestal is equipped with soakaway trench with holes, gate skeleton
Two side ends are equipped with the permeable bed course in side, be sequentially equipped with from top to bottom in cast skeleton cover pipe pad layer, metalling, medium-sand seam,
Thermal insulation board and the soil layer that bears down on one, backfill has been filled in foundation pit.
The permeable bed course in side includes the linked network end that the two side ends of gate skeleton are equipped with, and linked network hangs with grid on end
Net chamber, grid net intracavitary are equipped with the permeable geotechnological cloth bag of filling medium coarse sand.
The concrete pedestal is equipped with reserved rim of a cup, reserves and reserved vertical bars, the two side ends bottom of gate skeleton are equipped with rim of a cup
Portion is respectively connected with suspension column, and suspension column is equipped with horizontal frame linking, and horizontal frame linking is connected fixation with reserved vertical bars, has been poured in reserved rim of a cup
Recharge concrete.
The concrete pedestal is fixed by soil nailing and mattress layer, and concrete pedestal both sides are equipped with pad body and are used to limit it
Displacement, the thermal insulation board are connected by fixing piece with gate skeleton.
The soakaway trench both sides with holes are interval with limiting plate, for fixed belt hole soakaway trench.
The construction method of the insulation infiltration combined type underdrain structure of the utility model, includes the following steps：
1) sewer excavation of foundation pit：According to unwrapping wire and level control point excavation pit, and manual type is taken to carry out crater wall
Repair straight along repairing；
2) mattress layer is laid with：Bottom of foundation ditch is laid with mattress layer, and mattress layer uses graded sand and stone；
3) concrete pedestal is constructed：Concrete pedestal is laid on mattress layer top, and sets deformation joint in concrete pedestal,
Concrete pedestal sets reserved rim of a cup, reserves and reserved vertical bars are set in rim of a cup；
4) presser feet body construction：Pad body is set in concrete pedestal both sides, to limit its displacement；
5) soakaway trench installation with holes：Soakaway trench with holes is installed on concrete pedestal top, and the both sides of soakaway trench with holes are spaced
Limiting plate is set；
6) gate skeleton is installed：Multiple gate skeletons by being interval with along foundation pit length direction are set on concrete pedestal
The cast skeleton of composition, the two side ends bottom of multiple gate skeletons are respectively provided with a suspension column, by the suspension column of both sides in cast skeleton point
An Zhuan not be in two reserved rims of a cup, suspension column is respectively provided with horizontal frame linking, and horizontal frame linking is connected fixation, Ran Hou with reserved vertical bars
Recharge concrete is poured in reserved rim of a cup；
7) the permeable bed course installation in side：Linked network end is respectively provided with the two side ends of gate skeleton, linked network hangs grid on end
Net chamber, grid net intracavitary set the permeable geotechnological cloth bag of filling medium coarse sand, that is, form the permeable bed course in side；
8) pipe cushion construction is covered；It is laid with concrete pedestal top, the permeable mat layer inside in side and covers pipe pad layer；
9) metalling is constructed：Covering pipe pad layer top, the permeable mat layer inside laying metalling in side；
10) medium-sand seam is constructed：Medium-sand seam is laid with metalling top, the permeable mat layer inside in side；
11) backfill is constructed：Treat that said structure construction is completed, backfill is filled in foundation pit；
12) thermal insulation board is installed：Thermal insulation board is installed on medium-sand seam top, and makes thermal insulation board and gate skeleton by fixing piece
Upper end connection is fixed；
13) soil layer that bears down on one is constructed：Thermal insulation board top is laid with the soil layer that bears down on one, and further fills backfill.
Concrete pedestal is prefabricated or cast-in-place in the step 3), and concrete pedestal is fixed by soil nailing and mattress layer.
Soakaway trench with holes is connected in the deformation joint of concrete pedestal using flexible joint in the step 5).
Gate skeleton is cast-in-place Integratde concrete struction in the step 6), or monoblock type (separate type) precast concrete
Structure, or antiseptic and rustproof shaped steel.
The surrounding at the linked network end of gate skeleton and bottom are respectively mounted grid and form the lattice with inner cavity in the step 7)
Grid bag, grid bag is interior to set several permeable geotechnological cloth bags filled with medium coarse sand, then installs lattice in the opening of grid bag
Aperture plate is closed, and forms complete grille network net chamber.
The step 7), step 8), step 9) and step 10), which are synchronously intersected, to be carried out.
Utility model beneficial effect：
(1) quickly it is connected to form entirety with concrete pedestal by gate skeleton, soil nailing fixing concrete pedestal, enhances
The globality of structure；
(2) by installing grid net chamber, permeable soil of the grid net intracavitary installation filled with medium coarse sand on gate skeleton
Work cloth bag, the permeable bed course in side of formation have stronger upright row；
(3) construction method is simple and practicable, and obtained insulation infiltration combined type underdrain reliable in quality, has alpine meadow region
The advantages that efficient, high insulating effect of seeping water, there is preferable economic technology benefit, suitable for promoting and applying.
Brief description of the drawings
Fig. 1 is the structure diagram of insulation infiltration combined type underdrain；
Fig. 2 is the schematic diagram of the part main member of insulation infiltration combined type underdrain；
Fig. 3 is construction flow chart；
In figure：1. mattress layer；2. concrete pedestal；3. soil nailing；4. reserved vertical bars；5. pad body；6. reserved rim of a cup；7. band
Hole soakaway trench；8. limiting plate；9. gate skeleton；10. horizontal frame linking；11. linked network end；12. recharge concrete；13. grid net
Chamber；14. permeable geotechnique's cloth bag；15. the permeable bed course in side；16. cover pipe pad layer；17. metalling；18. medium-sand seam；19. insulation
Plate；20. fixing piece；21. bear down on one soil layer；22. backfill.
Embodiment
Elaborate below in conjunction with Figure of description to specific embodiment of the present utility model, but the utility model
Protection domain is not limited to this：
As depicted in figs. 1 and 2, the insulation infiltration combined type underdrain structure of the utility model, including foundation pit, foundation pit are interior under
To mattress layer 1, concrete pedestal 2 and cast skeleton has above been sequentially connected with, cast skeleton includes setting along foundation pit length direction interval
The multiple gate skeletons 9 having, concrete pedestal 2 are equipped with soakaway trench 7 with holes, and it is permeable that 9 two side ends of gate skeleton are equipped with side
Bed course 15, is sequentially equipped with cast skeleton and covers pipe pad layer 16, metalling 17, medium-sand seam 18, thermal insulation board 19 and pressure from top to bottom
Soil layer 21 is pushed up, backfill 22 has been filled in foundation pit.
The permeable bed course 15 in side includes the linked network end 11 that the two side ends of gate skeleton 9 are equipped with, hanging on linked network end 11
There is grid net chamber 13, the permeable geotechnological cloth bag 14 of filling medium coarse sand is equipped with grid net chamber 13.
The concrete pedestal 2 is equipped with reserved rim of a cup 6, reserves and reserved vertical bars 4, the both sides of gate skeleton 9 are equipped with rim of a cup 6
End bottom is respectively connected with suspension column, and suspension column is equipped with horizontal frame linking 10, and horizontal frame linking 10 is connected fixation with reserved vertical bars 4, reserves cup
Recharge concrete 12 has been poured in mouth 6.
The concrete pedestal 2 is fixed by soil nailing 3 and mattress layer 1, and 2 both sides of concrete pedestal are used for equipped with pad body 5
Its displacement is limited, the thermal insulation board 19 is connected by fixing piece 20 with gate skeleton 9.
7 both sides of soakaway trench with holes are interval with limiting plate 8, for fixed belt hole soakaway trench 7.
As shown in figure 3, the construction method of the insulation infiltration combined type underdrain structure of the utility model includes the following steps：
1) sewer excavation of foundation pit：According to unwrapping wire and level control point excavation pit, and manual type is taken to carry out crater wall
Repair straight along repairing；
2) mattress layer 1 is laid with：Bottom of foundation ditch is laid with mattress layer 1, and mattress layer 1 uses graded sand and stone；
3) concrete pedestal 2 is constructed：Concrete pedestal 2 is laid on 1 top of mattress layer, and sets and become in concrete pedestal 2
Shape is stitched, and concrete pedestal 2 sets reserved rim of a cup 6, reserves and reserved vertical bars 4 are set in rim of a cup 6；
4) pad body 5 is constructed：Pad body 5 is set in 2 both sides of concrete pedestal, to limit its displacement；
5) soakaway trench 7 with holes is installed：Soakaway trench 7 with holes is installed on 2 top of concrete pedestal, and the both sides of soakaway trench 7 with holes are equal
It is arranged at intervals limiting plate 8；
6) gate skeleton 9 is installed：Multiple gate bones by being interval with along foundation pit length direction are set on concrete pedestal 2
The cast skeleton that frame 9 is formed, the two side ends bottom of multiple gate skeletons is respectively provided with a suspension column, by the suspension column of both sides in cast skeleton
It is separately mounted in two reserved rims of a cup 6, suspension column is respectively provided with horizontal frame linking 10, and horizontal frame linking 10 is connected admittedly with reserved vertical bars 4
It is fixed, then recharge concrete 12 is poured in reserved rim of a cup 6；
7) the permeable bed course 15 in side is installed：Linked network end 11 is respectively provided with the two side ends of gate skeleton 9, is hung on linked network end 11
The permeable geotechnological cloth bag 14 of filling medium coarse sand is set if grid net chamber 13, in grid net chamber 13, that is, forms the permeable pad in side
Layer 15；
8) pipe pad layer 16 is covered to construct；It is laid with 2 top of concrete pedestal, the permeable inner side of bed course 15 in side and covers pipe pad layer 16；
9) metalling 17 is constructed：Metalling 17 is laid with covering 16 top of pipe pad layer, the permeable inner side of bed course 15 in side；
10) medium-sand seam 18 is constructed：Medium-sand seam 18 is laid with 17 top of metalling, the permeable inner side of bed course 15 in side；
11) backfill 22 is constructed：Treat that said structure construction is completed, backfill 22 is filled in foundation pit；
12) thermal insulation board 19 is installed：Thermal insulation board is installed on 18 top of medium-sand seam, and makes thermal insulation board and gate by fixing piece 20
The upper end connection of skeleton 9 is fixed；
13) soil layer 21 that bears down on one is constructed：19 top of thermal insulation board is laid with the soil layer that bears down on one, and further fills backfill 22.
Concrete pedestal 2 is prefabricated or cast-in-place in the step 3), and concrete pedestal 2 is solid by soil nailing 3 and mattress layer 1
It is fixed.
Soakaway trench 7 with holes is connected in the deformation joint of concrete pedestal 7 using flexible joint in the step 5).
Gate skeleton 9 is cast-in-place Integratde concrete struction in the step 6), or monoblock type (separate type) concrete
Soil structure, or antiseptic and rustproof shaped steel.
The surrounding at the linked network end 11 of gate skeleton 9 and bottom are respectively mounted grid and are formed with inner cavity in the step 7)
Grid bag, grid bag is interior to set several permeable geotechnological cloth bags 14 filled with medium coarse sand, then pacifies in the opening of grid bag
Grate net is closed, and forms complete grille network net chamber 13.
The step 7), step 8), step 9) and step 10), which are synchronously intersected, to be carried out.
Claims (5)
1. insulation infiltration combined type underdrain structure, including foundation pit, it is characterised in that be sequentially connected with mattress in foundation pit from top to bottom
Layer (1), concrete pedestal (2) and cast skeleton, cast skeleton include the multiple gate bones being interval with along foundation pit length direction
Frame (9), concrete pedestal (2) are equipped with soakaway trench with holes (7), and gate skeleton (9) two side ends are equipped with the permeable bed course in side
(15), sequentially it is equipped with from top to bottom in cast skeleton and covers pipe pad layer (16), metalling (17), medium-sand seam (18), thermal insulation board
(19) and the soil layer that bears down on one (21), backfill (22) has been filled in foundation pit.
2. insulation infiltration combined type underdrain structure according to claim 1, it is characterised in that the permeable bed course in side
(15) the linked network end (11) that the two side ends including gate skeleton (9) are equipped with, grid net chamber (13) is hung with linked network end (11),
The permeable geotechnological cloth bag (14) of filling medium coarse sand is equipped with grid net chamber (13).
3. insulation infiltration combined type underdrain structure according to claim 1, it is characterised in that the concrete pedestal (2) sets
There is reserved rim of a cup (6), reserve and reserved vertical bars (4) are equipped with rim of a cup (6), the two side ends bottom of gate skeleton (9) is respectively connected with column
Foot, suspension column are equipped with horizontal frame linking (10), and horizontal frame linking (10) is connected fixation with reserved vertical bars (4), are poured in reserved rim of a cup (6)
There is recharge concrete (12).
4. insulation infiltration combined type underdrain structure according to claim 1, it is characterised in that the concrete pedestal (2) is logical
It is fixed with mattress layer (1) to cross soil nailing (3), concrete pedestal (2) both sides are equipped with pad body (5) and are used to limit its displacement, the guarantor
Warm plate (19) is connected by fixing piece (20) with gate skeleton (9).
5. insulation infiltration combined type underdrain structure according to claim 1, it is characterised in that the soakaway trench (7) two with holes
Side is interval with limiting plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721252189.9U CN207277110U (en) | 2017-09-27 | 2017-09-27 | Insulation infiltration combined type underdrain structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721252189.9U CN207277110U (en) | 2017-09-27 | 2017-09-27 | Insulation infiltration combined type underdrain structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207277110U true CN207277110U (en) | 2018-04-27 |
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ID=61988079
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721252189.9U Active CN207277110U (en) | 2017-09-27 | 2017-09-27 | Insulation infiltration combined type underdrain structure |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842549A (en) * | 2018-08-15 | 2018-11-20 | 湖北益通建设股份有限公司 | A kind of concrete road surface structure |
| CN110747874A (en) * | 2019-10-14 | 2020-02-04 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Roadbed seepage and drainage blind ditch |
-
2017
- 2017-09-27 CN CN201721252189.9U patent/CN207277110U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842549A (en) * | 2018-08-15 | 2018-11-20 | 湖北益通建设股份有限公司 | A kind of concrete road surface structure |
| CN108842549B (en) * | 2018-08-15 | 2024-02-09 | 湖北益通建设股份有限公司 | Concrete pavement structure |
| CN110747874A (en) * | 2019-10-14 | 2020-02-04 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Roadbed seepage and drainage blind ditch |
| CN110747874B (en) * | 2019-10-14 | 2021-06-29 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Roadbed seepage and drainage blind ditch |
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