CN209724368U - A kind of improved metro built by mining method water proof structure - Google Patents
A kind of improved metro built by mining method water proof structure Download PDFInfo
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- CN209724368U CN209724368U CN201822072391.4U CN201822072391U CN209724368U CN 209724368 U CN209724368 U CN 209724368U CN 201822072391 U CN201822072391 U CN 201822072391U CN 209724368 U CN209724368 U CN 209724368U
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- tunnel
- thermoplasticity
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Abstract
The utility model discloses a kind of improved metro built by mining method water proof structures, including Tunnel, Tunnel Second Lining, geotextiles buffer layer, waterproof layer are provided between the Tunnel, Tunnel Second Lining, thermoplasticity circular washer is provided at the geotextiles buffer layer, iron gasket is provided in the thermoplasticity circular washer, cement nail passes through iron gasket, thermoplasticity circular washer hammers into Tunnel.The utility model between metro built by mining method preliminary bracing and secondary lining by being arranged geotextiles buffer layer, TPO waterproof roll layer, TPO waterproof roll and secondary lining is set to realize really bonding, in tunnel top, built-in slip casting pipe is set, improve the puncture resistance and durability of place where troops were originally stationed water layer, and solves the problems, such as former bored tunnel " raincoat-type " waterproof, the channeling water channel between waterproof layer and secondary lining is blocked, it is truly realized the full packet waterproof in tunnel " skin-type ", it constructs and easy for installation, good water-proof effect, it is cheap.
Description
Technical field
The utility model belongs to the realm of building construction, and in particular to a kind of improved metro built by mining method water proof structure.
Background technique
With the fast development of urban track traffic cause, the type and quantity of metro built by mining method are continued to increase, to dark
The waterproof requirement holed is higher and higher.The traditional method of the metro built by mining method waterproof of current non-dewatering type is that preliminary bracing is applied
It is laid with buffer layer after work is complete, is then laid with splash guard (EVA or ECB), then applies secondary lining.But in Practical Project
In, since splash guard is not bonded with secondary lining completely, belong to " raincoat-type " waterproof, once at an overlapping part of splash guard
It manages some improper or splash guard position to be pierced, just will form channeling water channel, bed rearrangement tunnel between splash guard and secondary lining
Risk of leakage will be present in road.
Underground structure is built with safety, quick, economy, rationally for guideline, easy for construction for metro built by mining method
And guarantee that the waterproof material of waterproof quality and water proof structure are very important.
Summary of the invention
The utility model proposes in order to solve the problems existing in the prior art, dark the purpose is to provide a kind of improved subway
It holes water proof structure.
The technical solution of the utility model is: a kind of improved metro built by mining method water proof structure, including tunnel initial-stage branch
Shield, Tunnel Second Lining, are provided with geotextiles buffer layer, waterproof layer, institute between the Tunnel, Tunnel Second Lining
It states and is provided with thermoplasticity circular washer at geotextiles buffer layer, be provided with iron gasket in the thermoplasticity circular washer, cement nail passes through
Iron gasket, thermoplasticity circular washer hammer into Tunnel.
The head of a nail of thermoplasticity circular washer end formation groove, the iron gasket and cement nail is in the grooves.
It is bonded as one after the thermoplasticity circular washer hot melt with waterproof layer.
Thermoplasticity circular washer end is provided with butyl rubber adhesive coiled material, and the butyl rubber adhesive coiled material is to thermoplastic
Property circular washer carries out package protection, avoids forming breakthrough in thermoplasticity circular washer reflow process.
The waterproof layer is laid with from tunnel arch to two sides abutment wall, and the waterproof layer is prespreading TPO adhesive waterproof coil,
Process of deployment middle and lower part coiled material should push down top coiled material to form coiled material lapping area.
Overlap joint is using double weld seam welding in the coiled material lapping area.
The coiled material lapping sector width is not less than 150mm, and effective weld width of coiled material lapping weld seam is not less than 15mm.
Form welding-line inflatable between the coiled material lapping weld seam and check ditch, the welding-line inflatable check ditch welding quality into
Row checks.
The thermoplasticity circular washer is laid at tunnel bottom, tunnel sidewalls and umbrella arch.
Built-in slip casting pipe is provided at the tunnel vault, the built-in slip casting pipe is embedded in waterproof layer and the secondary lining in tunnel
Between block.
The utility model by between metro built by mining method preliminary bracing and secondary lining be arranged geotextiles buffer layer,
TPO waterproof roll layer makes TPO waterproof roll and secondary lining realize really bonding, and built-in slip casting pipe is arranged in tunnel top, mentions
The high puncture resistance and durability of place where troops were originally stationed water layer, and solve the problems, such as former bored tunnel " raincoat-type " waterproof, it has blocked anti-
Channeling water channel between water layer and secondary lining is truly realized the full packet waterproof in tunnel " skin-type ", the improved Metro tunnel
Road water proof structure, construction and easy for installation, good water-proof effect, cheap, service performance is high.
Detailed description of the invention
Fig. 1 is the overall schematic of the utility model；
Fig. 2 is the fixation schematic diagram of geotextiles buffer layer in the utility model, waterproof layer；
Fig. 3 is the arrangement schematic diagram of thermoplasticity circular washer in the utility model；
Fig. 4 is the schematic diagram of waterproof layer lap weld in the utility model；
Fig. 5 is that the inflation of waterproof layer lap weld checks schematic diagram in the utility model；
Fig. 6 is that schematic diagram is arranged in built-in slip casting pipe in the utility model；
Wherein:
1 Tunnel, 2 Tunnel Second Lining
3 geotextiles buffer layer, 4 waterproof layer
5 built-in slip casting pipe, 6 thermoplasticity circular washer
7 iron gasket, 8 cement nail
9 butyl rubber adhesive coiled material, 10 coiled material lapping area
11 coiled material lapping weld seam, 12 welding-line inflatable checks ditch.
Specific embodiment
Hereinafter, the utility model is described in detail referring to drawings and examples:
As shown in Fig. 1 ~ 6, a kind of improved metro built by mining method water proof structure, including Tunnel 1, tunnel are secondary
Lining cutting 2 is provided with geotextiles buffer layer 3, waterproof layer 4, the geotechnique between the Tunnel 1, Tunnel Second Lining 2
It is provided with thermoplasticity circular washer 6 at cloth buffer layer 3, iron gasket 7 is provided in the thermoplasticity circular washer 6, cement nail 8 passes through iron
Gasket 7, thermoplasticity circular washer 6 hammer into Tunnel 1.
The head of a nail of 6 end of the thermoplasticity circular washer formation groove, the iron gasket 7 and cement nail 8 is in the grooves.
The thermoplasticity circular washer 6 is bonded as one after heating with waterproof layer 4.
6 end of thermoplasticity circular washer is provided with butyl rubber adhesive coiled material 9, and the butyl rubber adhesive coiled material 9 is right
Thermoplasticity circular washer 6 carries out package protection, avoids forming breakthrough in 6 reflow process of thermoplasticity circular washer.
The waterproof layer 4 is laid with from tunnel arch to two sides abutment wall, and the waterproof layer 4 is prespreading TPO self-adhesion waterproof roll
Material, process of deployment middle and lower part coiled material should push down top coiled material to form coiled material lapping area 10.
Overlap joint is using double weld seam welding in the coiled material lapping area 10.
10 width of coiled material lapping area is not less than 150mm, and effective weld width of coiled material lapping weld seam 11 is not less than
15mm。
Welding-line inflatable is formed between the coiled material lapping weld seam 11 checks that ditch 12, the welding-line inflatable check 12 pairs of ditch welding
Quality is checked.
The thermoplasticity circular washer 6 is laid at tunnel bottom, tunnel sidewalls and umbrella arch.
Built-in slip casting pipe 5 is provided at the tunnel vault, the built-in slip casting pipe 5 is embedded in waterproof layer 4 and tunnel two
Between secondary lining cutting 2.
After the completion of the preliminary bracing 1 applies, 1 basal plane of preliminary bracing is handled, guarantees its flatness, flatness D/
L≤1/20；Wherein, the depth that D is fallen between adjacent two convex surface of basal plane, distance of the L between adjacent two convex surface of basal plane, L≤1m.
1 basal plane paving geotextiles buffer layer 3 of supporting in the early stage and waterproof layer 4,4 adhesive surface of waterproof layer face secondary lining 2
Direction；Then secondary lining 2 is poured, so that 4 adhesive surface of waterproof layer reacts with cast-in-place 2 concrete of secondary lining, it is close viscous
It closes.
The geotextiles buffer layer 3 is 400g2The short fine geotextiles of/m；Geotextiles buffer layer 3 and thermoplasticity circular washer 6 are adopted
It is fixed on 1 basal plane of preliminary bracing with cement nail 8.3 seam lap width of geotextiles buffer layer is not less than 50mm.
The waterproof layer 4 is prespreading TPO adhesive waterproof coil, and waterproof layer 4 passes through sweat soldering mode and thermoplasticity circle
The thawing of washer 6 is bonded as one.6 arrangement of thermoplasticity circular washer are as follows: tunnel bottom 100 ~ 150cm of spacing, between tunnel sidewalls
Away from 80 ~ 100cm, 50 ~ 80cm of umbrella arch spacing.Package protection is carried out using butyl rubber adhesive coiled material 9 on the outside of welding position,
Waterproof layer 4 during sweat soldering is prevented to be destroyed to form breakthrough.Butyl rubber adhesive coiled material 9, which is laid with range, should cover thermoplastic
Property circular washer 6 and the 5cm outside 6 outer profile of circular washer.
The welding quality of 4 overlapping the slot of waterproof layer uses airing form inspection.To the weldering between coiled material lapping weld seam 11
Seam inflation checks that ditch 12 is inflated, and stops inflation when pressure gauge reaches 0.25Mpa, keeps 10min or more, if pressure declines
Within 10%, illustrate weld is accepted；If force pressure decline is too fast, illustrate that weld seam is not tight.It is applied in welded joints, is had with suds
The place of bubble should repair welding again, until air tight.
The built-in slip casting pipe 5 leans out 2 arch crown part 150mm of Tunnel Second Lining, Grouting Pipe 3 ~ 4m of longitudinal pitch, slip casting
Pipe 5 uses steel pipe material.
The utility model by between metro built by mining method preliminary bracing and secondary lining be arranged geotextiles buffer layer,
TPO waterproof roll layer makes TPO waterproof roll and secondary lining realize really bonding, and built-in slip casting pipe is arranged in tunnel top, mentions
The high puncture resistance and durability of place where troops were originally stationed water layer, and solve the problems, such as former bored tunnel " raincoat-type " waterproof, it has blocked anti-
Channeling water channel between water layer and secondary lining is truly realized the full packet waterproof in tunnel " skin-type ", the improved Metro tunnel
Road water proof structure, construction and easy for installation, good water-proof effect, cheap, service performance is high.
Claims (5)
1. a kind of improved metro built by mining method water proof structure, including Tunnel (1), Tunnel Second Lining (2), special
Sign is: being provided with geotextiles buffer layer (3), waterproof layer between the Tunnel (1), Tunnel Second Lining (2)
(4), it is provided with thermoplasticity circular washer (6) at the geotextiles buffer layer (3), is provided with iron in the thermoplasticity circular washer (6)
Gasket (7), cement nail (8) passes through iron gasket (7), thermoplasticity circular washer (6) hammers into Tunnel (1)；
The head of a nail of thermoplasticity circular washer (6) the end formation groove, the iron gasket (7) and cement nail (8) is in the grooves；
It is bonded as one after thermoplasticity circular washer (6) hot melt with waterproof layer (4)；
Thermoplasticity circular washer (6) end is provided with butyl rubber adhesive coiled material (9), the butyl rubber adhesive coiled material (9)
Package protection is carried out to thermoplasticity circular washer (6), avoids forming breakthrough in thermoplasticity circular washer (6) reflow process；
The waterproof layer (4) is laid with from tunnel arch to two sides abutment wall, and the waterproof layer (4) is prespreading TPO self-adhesion waterproof roll
Material, process of deployment middle and lower part coiled material should push down top coiled material to form coiled material lapping area (10)；
Overlap joint is using double weld seam welding in the coiled material lapping area (10).
2. a kind of improved metro built by mining method water proof structure according to claim 1, it is characterised in that: the coiled material is taken
Area's (10) width is connect not less than 150mm, effective weld width of coiled material lapping weld seam (11) is not less than 15mm.
3. a kind of improved metro built by mining method water proof structure according to claim 2, it is characterised in that: the coiled material is taken
Welding-line inflatable is formed between welding seam (11) and checks ditch (12), and the welding-line inflatable checks that ditch (12) welding quality is examined
It looks into.
4. a kind of improved metro built by mining method water proof structure according to claim 3, it is characterised in that: the thermoplasticity
Circular washer (6) is laid at tunnel bottom, tunnel sidewalls and umbrella arch.
5. a kind of improved metro built by mining method water proof structure according to claim 4, it is characterised in that: the tunnel arch
Be provided at top built-in slip casting pipe (5), the built-in slip casting pipe (5) be embedded in waterproof layer (4) and Tunnel Second Lining (2) it
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822072391.4U CN209724368U (en) | 2018-12-11 | 2018-12-11 | A kind of improved metro built by mining method water proof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822072391.4U CN209724368U (en) | 2018-12-11 | 2018-12-11 | A kind of improved metro built by mining method water proof structure |
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| Publication Number | Publication Date |
|---|---|
| CN209724368U true CN209724368U (en) | 2019-12-03 |
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ID=68676740
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822072391.4U Active CN209724368U (en) | 2018-12-11 | 2018-12-11 | A kind of improved metro built by mining method water proof structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127917A (en) * | 2020-09-16 | 2020-12-25 | 中国建筑第二工程局有限公司 | Gasket device for fixing pre-paved cold self-adhesive waterproof roll and construction method |
| CN112901205A (en) * | 2021-03-15 | 2021-06-04 | 中铁第六勘察设计院集团有限公司 | Soft rock large-span tunnel double-layer superposed lining support removing method and structure |
| CN113373986A (en) * | 2021-06-17 | 2021-09-10 | 中国建筑第八工程局有限公司 | Waterproof structure at joint of open-cut subway station and mine tunnel and construction method thereof |
| CN114033429A (en) * | 2021-11-12 | 2022-02-11 | 中交第三航务工程局有限公司 | Construction process for tunnel passing through rockburst section and low-gas-area superposed section |
| CN114370275A (en) * | 2021-12-27 | 2022-04-19 | 山东黄金矿业股份有限公司新城金矿 | Bedrock bolting-grouting impervious supporting structure and construction method thereof |
| WO2022262572A1 (en) * | 2021-06-18 | 2022-12-22 | 北京东方雨虹防水技术股份有限公司 | Waterproofing coiled material, preparation method therefor, construction method therefor, and tunnel waterproofing system |
-
2018
- 2018-12-11 CN CN201822072391.4U patent/CN209724368U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127917A (en) * | 2020-09-16 | 2020-12-25 | 中国建筑第二工程局有限公司 | Gasket device for fixing pre-paved cold self-adhesive waterproof roll and construction method |
| CN112901205A (en) * | 2021-03-15 | 2021-06-04 | 中铁第六勘察设计院集团有限公司 | Soft rock large-span tunnel double-layer superposed lining support removing method and structure |
| CN113373986A (en) * | 2021-06-17 | 2021-09-10 | 中国建筑第八工程局有限公司 | Waterproof structure at joint of open-cut subway station and mine tunnel and construction method thereof |
| WO2022262572A1 (en) * | 2021-06-18 | 2022-12-22 | 北京东方雨虹防水技术股份有限公司 | Waterproofing coiled material, preparation method therefor, construction method therefor, and tunnel waterproofing system |
| CN114033429A (en) * | 2021-11-12 | 2022-02-11 | 中交第三航务工程局有限公司 | Construction process for tunnel passing through rockburst section and low-gas-area superposed section |
| CN114370275A (en) * | 2021-12-27 | 2022-04-19 | 山东黄金矿业股份有限公司新城金矿 | Bedrock bolting-grouting impervious supporting structure and construction method thereof |
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