CN211342956U - Waterproof structure of telescopic deformation joint - Google Patents
Waterproof structure of telescopic deformation joint Download PDFInfo
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- CN211342956U CN211342956U CN201922501303.2U CN201922501303U CN211342956U CN 211342956 U CN211342956 U CN 211342956U CN 201922501303 U CN201922501303 U CN 201922501303U CN 211342956 U CN211342956 U CN 211342956U
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- deformation joint
- cutting section
- lining cutting
- joint
- waterproof
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Abstract
The utility model provides a waterproof structure of a telescopic deformation joint, which comprises a front lining section constructed firstly and a rear lining section constructed secondly, and a deformation joint between the front lining section and the rear lining section, wherein the deformation joint, the front lining section and the rear lining section are sequentially provided with a middle-buried water stop, a back-attached water stop, a waterproof coiled material and a non-woven fabric from the inside of the tunnel to the primary support direction, and a soft water permeable pipe, the buried water stop is arranged in the front lining section and the rear lining section, the middle part of the buried water stop is provided with a grouting hole, the grouting holes are positioned at the deformation joints, the back-attached water stop band, the waterproof coiled material and the non-woven fabric, and the soft pervious pipe is arranged at the joint of the deformation joint, the front lining section and the rear lining section, and the front lining section is positioned at one side of the deformation joint and is provided with a leveling layer for conveniently pre-fixing the middle-buried water stop on the front lining section. The utility model discloses in, through flexible movement joint waterproof construction's setting is favorable to improving the waterproof nature in tunnel.
Description
Technical Field
The utility model relates to a tunnel technical field especially relates to a flexible movement joint waterproof construction.
Background
The existing waterproof measures in the tunnel lining waterproof structure are weak, the phenomenon of water leakage is easy to occur, and the existing waterproof measures are mainly used for prevention, namely passively blocking pressurized underground water outside the tunnel lining, but the tunnel is a long-term hundred-year project and is inevitably subjected to the action of water pressure for a long time, so that the phenomenon of water leakage is avoided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a waterproof construction of flexible movement joint that waterproof nature is good.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a flexible movement joint waterproof construction, includes the preceding lining segment of earlier construction and the back lining segment of back construction to and the movement joint between preceding lining segment and the back lining segment, buried waterstop, back of the body formula waterstop, waterproofing membrane, non-woven fabrics in the formula was buried in the movement joint, preceding lining segment and back lining segment have set gradually to the preliminary bracing direction in the tunnel to reach the soft formula pipe of permeating water, in buried the formula waterstop is located in preceding lining segment and the back lining segment, in buried the formula waterstop middle part and be equipped with the slip casting hole, just the slip casting hole is located movement joint department, back of the body formula waterstop, waterproofing membrane, non-woven fabrics to and the soft formula pipe of permeating water all locate handing-over department of movement joint, preceding lining segment and back lining segment, preceding lining segment are located one side of movement joint is equipped with and is used for conveniently with in buried the leveling layer of preceding lining segment in advance.
Preferably, the leveling layer is formed by smearing cement paste.
Preferably, the mutually opposite sides of the front lining section and the rear lining section are provided with accommodating holes with the diameter of 12mm, and two ends of the buried water stop are arranged in the accommodating holes in a penetrating manner.
Preferably, flexible movement joint waterproof construction still including wear to locate the front lining section with the inside diameter of holding hole of back lining section is 10 mm's reinforcing bar card, the both ends of reinforcing bar card stretch into two respectively hold downthehole, and the chucking respectively bury the both ends of formula waterstop in.
Preferably, the width of the deformation joint is 15-20 mm.
Preferably, the deformation joint is filled with asphalt floc.
Preferably, the waterproof roll is a 1.5mm pre-laid HDPE polymer self-adhesive film waterproof roll.
Preferably, the non-woven fabric is 350g/m2A nonwoven fabric.
Preferably, the diameter of the flexible permeable pipe is 50 mm.
Preferably, the buried water stop and the back-attached water stop are both made of rubber materials.
Compared with the prior art, the utility model discloses a scheme has following advantage:
in the flexible deformation joint waterproof structure of the utility model, on one hand, the embedded water stop can resist the longitudinal and transverse deformation of the tunnel by the back-attached water stop, the risk of seepage water at the deformation joint of the tunnel under special geological conditions is effectively reduced, and the flexible water permeable pipes arranged at the two sides of the deformation joint are favorable for reducing the water drainage gathered at the deformation joint in time, reducing the water pressure at the deformation joint and ensuring the waterproof property of the flexible deformation joint waterproof structure, on the other hand, the embedded water stop is convenient to pre-fix the embedded water stop by means of adhesive or cement nails and the like after the front lining section is poured so as to ensure that the embedded water stop placed in the accommodating hole of the front lining section is not subjected to gravity and is partially separated from the accommodating hole of the front lining section without influencing the pouring of the rear lining section, the waterproof performance of the waterproof structure of the telescopic deformation joint is ensured.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Reference numerals: 1. primary support; 2. a front lining section; 3. a rear lining section; 4. deformation joints; 5. a medium-buried water stop; 51. grouting holes; 6. a back-to-back waterstop; 7. waterproof coiled materials; 8. non-woven fabrics; 9. and (4) clamping the reinforcing steel bar.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
It will be understood by those within the art that, unless expressly stated otherwise, the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
As shown in fig. 1, the utility model relates to a flexible deformation joint waterproof structure, including the preceding lining cutting section 2 of the first construction and the back lining cutting section 3 of the back construction, and the deformation joint 4 between preceding lining cutting section 2 and the back lining cutting section 3, the deformation joint 4, preceding lining cutting section 2 and back lining cutting section 3 have set gradually bury formula waterstop 5, back of body formula waterstop 6, waterproofing membrane 7, non-woven fabrics 8, and soft formula pipe of permeating water (not shown in the figure, the same below) from the tunnel to preliminary bracing 1 direction, wherein, bury formula waterstop 5 in front lining cutting section 2 and back lining cutting section 3, and bury formula waterstop 5 along perpendicular to setting of deformation joint 4 direction, bury formula waterstop 5 middle part in the middle part and be equipped with grouting hole 51, and grouting hole 51 is located deformation joint 4 department, back of body formula waterstop 6, waterproofing membrane 7, non-woven fabrics 8, and the pipe of permeating water of soft formula is all located the handing-over department of movement joint 4, preceding lining cutting section 2 and back lining cutting section 3, and is located preceding lining cutting section 2 with one side that back lining cutting section 3 is close to primary support 1, the pipe of permeating water of soft formula is located the both sides of movement joint 4, preceding lining cutting section 2 is located one side of movement joint 4 is equipped with the leveling layer (not shown in the figure, lower the same) that is used for conveniently burying formula waterstop 5 pre-fixing in preceding lining cutting section 2 with.
In the utility model, on one hand, the buried water stop 5 can resist the longitudinal and transverse deformation of the tunnel by the back-attached water stop 6, the risk of water seepage at the deformation joint 4 of the tunnel under special geological conditions is effectively reduced, and the soft water permeable pipes arranged at the two sides of the deformation joint 4 are favorable for reducing the water drainage collected at the deformation joint 4 in time, the pressure of the water at the deformation joint 4 is reduced, the waterproof property of the waterproof structure of the telescopic deformation joint is ensured, on the other hand, the buried water stop 5 is convenient to be pre-fixed by the cement or nails and the like after the front lining section 2 is poured, so as to ensure that the buried water stop 5 placed in the containing hole of the front lining section 2 is not subjected to gravity and partially departs from the containing hole of the front lining section 2 without influencing the pouring of the rear lining section 3, the waterproof performance of the waterproof structure of the telescopic deformation joint is ensured.
Preferably, the leveling layer is formed by smearing cement paste, and the thickness of the leveling layer is 2-5 mm. Through the effect of leveling layer, make after pouring the one side surfacing that is close to movement joint 4 of front lining section 2 is smooth, conveniently will bury formula waterstop 5 and pre-fix on it.
The front lining section 2 and the rear lining section 3 are provided with accommodating holes (reference numbers and the same below) with the diameter of 12mm at the opposite sides, the two accommodating holes are arranged opposite to each other, and the two ends of the buried water stop 5 penetrate through the accommodating holes.
Flexible movement joint waterproof construction still including wearing to locate preceding lining segment 2 with the holding hole internal diameter of back lining segment 3 is 10 mm's reinforcing bar card 9, two are stretched into respectively at the both ends of reinforcing bar card 9 hold downtheholely, and the chucking respectively the both ends of well burying formula waterstop 5, with well bury formula waterstop 5 firm in preceding lining segment 2 with in the back lining segment 3.
The width of movement joint 4 is 15-20mm provide enough between preceding lining cutting section 2 with back lining cutting section 3 under the size prerequisite that preceding lining cutting section 2 with back lining cutting section 3 takes place to warp because of the change of factors such as temperature and humidity, the width of minimizing movement joint 4 to guarantee the waterproof sealing nature of flexible movement joint waterproof construction.
The deformation joints 4 are filled with asphalt batting (not numbered in the figure, the same is applied below). Through in the movement joint 4 intussuseption pitch fibre batton, can further improve the waterproof sealing nature of flexible movement joint waterproof construction.
In this embodiment, the waterproof roll 7 is a 1.5mm pre-spread HDPE polymer self-adhesive film waterproof roll; the non-woven fabric 8 is 350g/m2Non-woven fabrics; the diameter of the soft water permeable pipe is 50 mm. This embodiment is adapted to the actual conditions of this engineering, sets up waterproofing membrane 7, non-woven fabrics 8 and the soft formula of corresponding model, type or size pipe of permeating water, in order to guarantee the waterproof performance of flexible movement joint waterproof construction.
The buried water stop 5 and the back-attached water stop 6 are both made of rubber materials.
To sum up, flexible movement joint waterproof construction resists great tunnel deformation through setting up the back of the body formula waterstop 6 that deformability is strong and bury formula stagnant water in, and then guarantees flexible movement joint waterproof construction's waterproof nature, simultaneously, leveling layer's setting can be guaranteed in bury formula waterstop 5 place better in preceding lining cutting section 2 with in the back lining cutting section 3, be favorable to improving flexible movement joint waterproof construction's waterproof nature.
The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a flexible movement joint waterproof construction, includes the preceding lining segment of construction earlier and the back lining segment of back construction to and the movement joint between preceding lining segment and the back lining segment, characterized by: deformation joint, preceding lining cutting section and back lining cutting section are from in the tunnel to the preliminary bracing orientation in having set gradually bury formula waterstop, back of the body formula waterstop, waterproofing membrane, non-woven fabrics to and the pipe of permeating water of soft formula, in bury in the formula waterstop is located in preceding lining cutting section and the back lining cutting section, well bury the formula waterstop middle part and be equipped with the slip casting hole, just the slip casting hole is located deformation joint department, back of the body formula waterstop, waterproofing membrane, non-woven fabrics to and the pipe of permeating water of soft formula all locates the handing-over department of deformation joint, preceding lining cutting section and back lining cutting section, preceding lining cutting section is located one side of deformation joint is equipped with the leveling layer that is used for conveniently burying formula waterstop in the pre-fixing of preceding lining cutting section.
2. The waterproof structure of a telescopic deformation joint as claimed in claim 1, wherein: the leveling layer is formed by smearing cement paste.
3. The waterproof structure of a telescopic deformation joint as claimed in claim 1, wherein: the mutual just right one side of preceding lining cutting section and back lining cutting section all sets up the accommodation hole that the diameter is 12mm, bury formula waterstop both ends and wear to locate in the accommodation hole.
4. A waterproof structure for a telescopic deformation joint as claimed in claim 3, wherein: still including wearing to locate the holding hole internal diameter of preceding lining cutting section with back lining cutting section is 10 mm's reinforcing bar card, the both ends of reinforcing bar card stretch into two respectively hold downtheholely, and the chucking respectively bury the both ends of formula waterstop.
5. The waterproof structure of a telescopic deformation joint as claimed in claim 1, wherein: the width of the deformation joint is 15-20 mm.
6. The waterproof structure of a telescopic deformation joint as claimed in claim 1, wherein: and asphalt floc is filled in the deformation joints.
7. The waterproof structure of a telescopic deformation joint as claimed in claim 1, wherein: the waterproof roll is a 1.5mm pre-paved HDPE polymer self-adhesive film waterproof roll.
8. The waterproof structure of a telescopic deformation joint as claimed in claim 1, wherein: the non-woven fabric is 350g/m2A nonwoven fabric.
9. The waterproof structure of a telescopic deformation joint as claimed in claim 1, wherein: the diameter of the soft water permeable pipe is 50 mm.
10. The waterproof structure of a telescopic deformation joint as claimed in claim 1, wherein: the buried water stop and the back-attached water stop are both made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922501303.2U CN211342956U (en) | 2019-12-31 | 2019-12-31 | Waterproof structure of telescopic deformation joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922501303.2U CN211342956U (en) | 2019-12-31 | 2019-12-31 | Waterproof structure of telescopic deformation joint |
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| Publication Number | Publication Date |
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| CN211342956U true CN211342956U (en) | 2020-08-25 |
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| CN201922501303.2U Active CN211342956U (en) | 2019-12-31 | 2019-12-31 | Waterproof structure of telescopic deformation joint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109452A (en) * | 2021-10-26 | 2022-03-01 | 河南信大建设集团有限公司 | Waterproof structure of tunnel lining construction joint and construction method thereof |
-
2019
- 2019-12-31 CN CN201922501303.2U patent/CN211342956U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109452A (en) * | 2021-10-26 | 2022-03-01 | 河南信大建设集团有限公司 | Waterproof structure of tunnel lining construction joint and construction method thereof |
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