CN102587937A - Composite hydraulic high-duty pressure tunnel plug - Google Patents
Composite hydraulic high-duty pressure tunnel plug Download PDFInfo
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- CN102587937A CN102587937A CN2012100603264A CN201210060326A CN102587937A CN 102587937 A CN102587937 A CN 102587937A CN 2012100603264 A CN2012100603264 A CN 2012100603264A CN 201210060326 A CN201210060326 A CN 201210060326A CN 102587937 A CN102587937 A CN 102587937A
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- plug
- steel concrete
- reinforced concrete
- duty pressure
- pressure tunnel
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Abstract
The invention discloses a composite hydraulic high-duty pressure tunnel plug. A front reinforced concrete plug (3) and a rear reinforced concrete plug (4) are arranged in a construction adit (6), a carving groove is arranged on the inner wall of the construction adit (6) between the front reinforced concrete plug (3) and the rear reinforced concrete plug (4), and an expansion clay plug (2) which is filled in the carving groove is arranged between the front reinforced concrete plug (3) and the rear reinforced concrete plug (4). The carving groove is a triangular carving groove (1). The composite hydraulic high-duty pressure tunnel plug adopts the technical scheme of leakage-proof blockage realized by the aid of a rigid material and a flexible material simultaneously, and is low in permeability, fine in sealing quality, simple in structure and convenient in operation.
Description
Technical field
The present invention relates to a kind of tunnel plug, particularly relate to a kind of combined type water conservancy project heavy-duty pressure tunnel plug that is used for fields such as Hydraulic and Hydro-Power Engineering, water supply project.
Background technology
Under the prior art condition, after water conservancy project high pressure diversion tunnel construction finishes, near near the certain limit diversion tunnel or the construction between the high pressure diversion tunnel prop up the hole and all adopt Reinforced Concrete Materials to carry out shutoff.This technological weak point is: the wall rock loosening ring that certain limit appears in the hole country rock is propped up in (1) because of construction blasting causes constructing; Cause the country rock permeability in the relaxation zone scope to increase; (2) construction top, a hole blocking concrete is because vibrate difficulty and drying shrinkage phenomenon; Cause the top seal quality of steel concrete plug to be difficult for guaranteeing, infiltration in a large number occurs.
Summary of the invention
The technical problem that the present invention will solve provides the combined type water conservancy project heavy-duty pressure tunnel plug that a kind of permeability is low, airtight quality is good.
In order to solve the problems of the technologies described above; Combined type water conservancy project heavy-duty pressure tunnel plug provided by the invention; Plug 4 behind plug and the steel concrete before in a construction hole, being provided with steel concrete; The construction between the plug is propped up on the inwall in hole and is provided with cutting behind plug and the steel concrete before described steel concrete, before described steel concrete, is provided with the expansive clay plug that is filled in the described cutting behind plug and the steel concrete between the plug.
Described cutting is the triangle cutting.
Adopt the combined type water conservancy project heavy-duty pressure tunnel plug of technique scheme, utilize the plug two ends to bear the water pressure that the high pressure diversion tunnel produces plug for the steel concrete plug; Reach the effect that antiseepage is handled, the characteristic of particularly having utilized expansive soil water-swellable, permeability significantly to reduce through the expansive clay plug between the plug behind plug before the steel concrete and the steel concrete; Triangle cutting simultaneously makes scored position be in the compressive stress collected state; Make that the crack of this position country rock is closed under the effect of compressive stress; Permeability reduces, and the rock mass permeability that the wall rock loosening of avoiding rock mass to cause because of the excavation explosion causes increases, and then the water leakage that causes increases.This blocking technology is reasonable in design, and is simple in structure, easy to operate.
In sum; The present invention utilizes the cutting of country rock triangle to reduce the permeability of country rock; Reach the antiseepage Expected Results through implementing flexible expansion property clay plug; The stressed of plug then born by plug behind plug and the steel concrete before the steel concrete at two ends; This technology is further perfect high pressure diversion tunnel antiseepage blocking technology is the antiseepage blocking technology scheme that a kind of rigidity and flexible material combine, and is that a kind of permeability is low, airtight quality good and simple in structure, easy to operate combined type water conservancy project heavy-duty pressure tunnel plug.
Description of drawings
Fig. 1 is construction plug vertical section, a hole sketch map.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described further.
Referring to Fig. 1; High pressure diversion tunnel 5 is provided with a construction hole 6; Plug 4 behind plug 3 and the steel concrete before in a construction hole 6, being provided with steel concrete; The construction between the plug 4 is propped up on the inwall in hole 6 and is provided with triangle cutting 1 behind plug 3 and the steel concrete before steel concrete; Before steel concrete, be provided with the expansive clay plug 2 that is filled in the triangle cutting 1 behind plug 3 and the steel concrete between the plug 4, expansive soil fills strict control water content size in the process in construction, and hits the crucial point reason.
Referring to Fig. 1, adopt the combined type water conservancy project heavy-duty pressure tunnel plug of technique scheme, utilize the plug two ends to bear the water pressure that the high pressure diversion tunnel produces plug for the steel concrete plug; Reach the effect that antiseepage is handled, the characteristic of particularly having utilized expansive soil water-swellable, permeability significantly to reduce through the expansive clay plug 2 between the plug 4 behind plug before the steel concrete 3 and the steel concrete; Triangle cutting 1 simultaneously makes scored position be in the compressive stress collected state; Make that the crack of this position country rock is closed under the effect of compressive stress; Permeability reduces, and the rock mass permeability that the wall rock loosening of avoiding rock mass to cause because of the excavation explosion causes increases, and then the water leakage that causes increases.This blocking technology is reasonable in design, and is simple in structure, easy to operate.
Claims (2)
1. combined type water conservancy project heavy-duty pressure tunnel plug; It is characterized in that: in construction hole (6), be provided with before the steel concrete plug (4) behind the plug (3) and steel concrete; Described construction behind plug before described steel concrete (3) and the described steel concrete between the plug (4) is propped up on the inwall of hole (6) and is provided with cutting, is provided with the expansive clay plug (2) that is filled in the described cutting behind plug before described steel concrete (3) and the described steel concrete between the plug (4).
2. according to right 1 described combined type water conservancy project heavy-duty pressure tunnel plug, it is characterized in that: described cutting is triangle cutting (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210060326.4A CN102587937B (en) | 2012-03-08 | 2012-03-08 | Composite hydraulic high-duty pressure tunnel plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210060326.4A CN102587937B (en) | 2012-03-08 | 2012-03-08 | Composite hydraulic high-duty pressure tunnel plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102587937A true CN102587937A (en) | 2012-07-18 |
| CN102587937B CN102587937B (en) | 2014-03-12 |
Family
ID=46477104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210060326.4A Expired - Fee Related CN102587937B (en) | 2012-03-08 | 2012-03-08 | Composite hydraulic high-duty pressure tunnel plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102587937B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114045799A (en) * | 2021-12-21 | 2022-02-15 | 中国电建集团贵阳勘测设计研究院有限公司 | Diversion tunnel block structure with crossed diversion tunnels |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1255949A (en) * | 1967-12-21 | 1971-12-01 | Georg Gautier | Improvements in or relating to sealing of concrete components |
| EP0609040A2 (en) * | 1993-01-25 | 1994-08-03 | Amcol International Corporation | Waterproofing article for concrete joints |
| JPH06248895A (en) * | 1993-02-26 | 1994-09-06 | Itsuki Kogyo Kk | Grout and grouting method |
| EP0716189A1 (en) * | 1994-12-07 | 1996-06-12 | Shigeo Nagahama | A cut-off water process for a concrete underground structure |
| JP2009249818A (en) * | 2008-04-01 | 2009-10-29 | Maeda Corp | Grout material for adhesion of waterproof sheet, and construction method |
| CN101949293A (en) * | 2010-10-09 | 2011-01-19 | 中国水电顾问集团成都勘测设计研究院 | Periphery water stop structure of tunnel plug and setting method thereof |
| CN202467865U (en) * | 2012-03-08 | 2012-10-03 | 长沙理工大学 | Combined type hydraulic high-pressure tunnel end cap |
-
2012
- 2012-03-08 CN CN201210060326.4A patent/CN102587937B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1255949A (en) * | 1967-12-21 | 1971-12-01 | Georg Gautier | Improvements in or relating to sealing of concrete components |
| EP0609040A2 (en) * | 1993-01-25 | 1994-08-03 | Amcol International Corporation | Waterproofing article for concrete joints |
| JPH06248895A (en) * | 1993-02-26 | 1994-09-06 | Itsuki Kogyo Kk | Grout and grouting method |
| EP0716189A1 (en) * | 1994-12-07 | 1996-06-12 | Shigeo Nagahama | A cut-off water process for a concrete underground structure |
| JP2009249818A (en) * | 2008-04-01 | 2009-10-29 | Maeda Corp | Grout material for adhesion of waterproof sheet, and construction method |
| CN101949293A (en) * | 2010-10-09 | 2011-01-19 | 中国水电顾问集团成都勘测设计研究院 | Periphery water stop structure of tunnel plug and setting method thereof |
| CN202467865U (en) * | 2012-03-08 | 2012-10-03 | 长沙理工大学 | Combined type hydraulic high-pressure tunnel end cap |
Non-Patent Citations (1)
| Title |
|---|
| 吴静等: "洞室施工中岩溶及地下水富集区的预测和处理", 《云南水力发电》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114045799A (en) * | 2021-12-21 | 2022-02-15 | 中国电建集团贵阳勘测设计研究院有限公司 | Diversion tunnel block structure with crossed diversion tunnels |
| CN114045799B (en) * | 2021-12-21 | 2022-11-29 | 中国电建集团贵阳勘测设计研究院有限公司 | Diversion tunnel block structure that diversion tunnel is alternately |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102587937B (en) | 2014-03-12 |
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