CN207714386U - A kind of interface position and its waterproof construction of seabed tunnel and open cut accessory structure - Google Patents
A kind of interface position and its waterproof construction of seabed tunnel and open cut accessory structure Download PDFInfo
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- CN207714386U CN207714386U CN201721925454.5U CN201721925454U CN207714386U CN 207714386 U CN207714386 U CN 207714386U CN 201721925454 U CN201721925454 U CN 201721925454U CN 207714386 U CN207714386 U CN 207714386U
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- tunnel
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- accessory structure
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- bottom plate
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Abstract
The utility model discloses the interface positions and its waterproof construction of a kind of seabed tunnel and open cut accessory structure, in construction tunnel agent structure, by performing 0.5m~1m or so toward accessory structure direction main body, effectively avoids plug-in attached and main body and overlap mouth waterproof problem.That is the lap position of tunnel structure and accessory structure includes at 0.5m~1m of the laterally inboard of tunnel structure and accessory structure bottom plate and at 0.5m~1m of the laterally inboard of tunnel structure and accessory structure top plate, above-mentioned each lap position is both provided with deformation joint, and middle buried water stop is equipped in deformation joint；Deformation joint on accessory structure bottom plate using back-adhering waterstop and combines two-sided Macromolecular self-adhesive membrane waterproof roll；Deformation joint on accessory structure top plate uses 2.5mm polyureas outsourcing waterproof coatings on the basis of waterproof reinforced layer, substantially increases special construction position outsourcing waterproof quality, so that tunnel is used safer, reliable.
Description
Technical field
The utility model is related to a kind of waterproof constructions of underground engineering more particularly to a kind of tunnel to be connect with open cut accessory structure
Oral area position waterproof construction.
Background technology
Previous tunnel accessory structure overlaps waterproof, buried rubber fastening band or back sticking type rubber type in generally using with tunnel
Waterstop, outsourcing waterproof roll.But for the waterproof in tunnel and accessory structure applied to environments such as subsea, in order to avoid due to attached
Belong to structure and generate differential settlement with tunnel agent structure, and lead to waterproofing of movement joints thrashing, therefore than previous tunnel
Road accessory structure proposes requirements at the higher level with tunnel overlap joint waterproof.
Utility model content
For the prior art, a kind of tunnel of the utility model offer and open cut accessory structure interface position waterproof construction lead to
It crosses accessory structure to be rigidly connected with tunnel main body, and deformation joint is set in a certain range, deformation joint simultaneously uses outsourcing waterproof
Measure efficiently solves under marine environment, tunnel main body and plug-in accessory structure overlapping part waterproof problem.
In order to solve the above-mentioned technical problem, the utility model proposes a kind of seabed tunnel and open cut accessory structure interface
Position and its waterproof construction, wherein tunnel structure is overlapped with accessory structure, the lap position of the tunnel structure and accessory structure
Including the tunnel structure at 0.5m~1m of the laterally inboard of the accessory structure bottom plate and the tunnel structure with it is described
At 0.5m~1m of the laterally inboard of accessory structure top plate, above-mentioned each lap position is both provided with deformation joint, in the deformation joint
Equipped with middle buried water stop；Deformation joint between the accessory structure bottom plate and the tunnel structure is positioned at the accessory structure
The bottom surface of bottom plate is equipped with the back-adhering waterstop that width is 1000mm, and the surface of the back-adhering waterstop is equipped with two-sided high score
Sub- self-adhesion glued membrane waterproof roll；It is equipped with concrete cover in the both sides of the back-adhering waterstop；The accessory structure top plate
The both ends of middle buried water stop, which are filled, in deformation joint between the tunnel structure is filled with two-component polysulfide sealant, should
The place of deformation joint is located at the upper surface of described accessory structure top plate equipped with the first waterproof reinforced layer that width is 1000mm, described attached
Belong to and be equipped with the second waterproof reinforced layer at structure roof and the interior angle of the tunnel structure side wall, is applied on the first waterproof reinforced layer
Be covered with the polyurea coating of 2.5mm thickness, the width of the polyurea coating coating be more than the width of the first waterproof reinforced layer and with
The second waterproof reinforced layer at interior angle staggeredly overlaps；Two-sided Macromolecular self-adhesive membrane waterproof roll warp on accessory structure bottom plate
The first waterproof reinforced layer described in the concrete cover and tunnel structure side wall to accessory structure bottom plate is crossed with the second waterproof to add
The surface of the lap-joint of strong layer is equipped with Macromolecular self-adhesive membrane waterproof roll；At accessory structure bottom plate and tunnel structure interior angle
Macromolecular self-adhesive membrane waterproof roll be equipped with third waterproof reinforced layer.
Further, in the interface position and its waterproof construction of the seabed tunnel of the utility model and open cut accessory structure,
The length that the third waterproof reinforced layer both sides at accessory structure bottom plate and tunnel structure interior angle are arranged is 200mm.
The polyurea coating and the second waterproof reinforced layer interlock the length on overlapping for 400mm.
Compared with prior art, the beneficial effects of the utility model：Compared to previous Tunnel Engineering accessory structure at top plate, bottom
Deformation joint is arranged in plate lap position, and in construction tunnel agent structure, 0.5m~1m or so is performed toward accessory structure direction main body
Top plate, top plate, side wall effectively avoid accessory structure and tunnel agent structure differential settlement and overlap joint mouth waterproof problem, together
When roof deformation seam waterproof setting in, using 2.5mm polyureas outsourcing waterproof coatings, substantially increase the outsourcing of special construction position
Waterproof quality makes under marine environment tunnel use safer, reliable.
Description of the drawings
Fig. 1 is interface position and its waterproof construction signal between tunnel structure and accessory structure bottom plate in the utility model
Figure；
Fig. 2 is interface position and its waterproof construction signal between tunnel structure and accessory structure top plate in the utility model
Figure.
Specific implementation mode
Technical solutions of the utility model are described in further detail in the following with reference to the drawings and specific embodiments, it is described
Specific embodiment is only explained the utility model, is not intended to limit the utility model.
The utility model proposes a kind of seabed tunnel and open cut accessory structure interface position and its waterproof construction,
In, tunnel structure 1 is overlapped with accessory structure.
The tunnel structure 1 and the lap position of accessory structure include the tunnel structure 1 and the accessory structure bottom plate 2
Laterally inboard 0.5m~1m at and the tunnel structure 1 and the accessory structure top plate 21 laterally inboard 0.5m~1m
Place, above-mentioned each lap position are both provided with deformation joint 3, middle buried water stop 4 are equipped in the deformation joint 3.
As shown in Figure 1, the deformation joint 3 between the accessory structure bottom plate 2 and the tunnel structure 1 is positioned at described attached
The bottom surface of structure base slab 2 is equipped with the back-adhering waterstop 5 that width is 1000mm, and the surface of the back-adhering waterstop 5 is equipped with
Two-sided Macromolecular self-adhesive membrane waterproof roll 7；It is equipped with concrete cover 6 in the both sides of the back-adhering waterstop 5
As shown in Fig. 2, middle buried water stop in deformation joint 3 between the accessory structure top plate 21 and the tunnel structure
4 both ends, which are filled, is filled with two-component polysulfide sealant 13, and the place of the deformation joint is located at the upper of the accessory structure top plate 21
Face is equipped with the first waterproof reinforced layer 71 that width is 1000mm, in the accessory structure top plate 21 and the tunnel structure side wall
It is equipped with the second waterproof reinforced layer 9 at interior angle, the polyurea coating 12 of 2.5mm thickness, institute are coated on the first waterproof reinforced layer 71
State polyurea coating 12 coating width be more than the first waterproof reinforced layer 71 width and with the second waterproof reinforced at interior angle
Layer 9 staggeredly overlaps, and the length that the polyurea coating 12 and the second waterproof reinforced layer 9 interlock on overlap joint is 400mm.
As depicted in figs. 1 and 2, described in the two-sided Macromolecular self-adhesive membrane waterproof roll 7 on accessory structure bottom plate 2 passes through
First waterproof reinforced layer 71 and the second waterproof reinforced described in concrete cover 6 and tunnel structure side wall to accessory structure bottom plate 2
The surface of the lap-joint of layer 9 is equipped with Macromolecular self-adhesive membrane waterproof roll 10.
As described in Figure 1, the Macromolecular self-adhesive membrane waterproof roll 10 at accessory structure bottom plate 2 and 1 interior angle of tunnel structure
It is equipped with third waterproof reinforced layer 91, the length on 91 both sides of third waterproof reinforced layer is 200mm.
Embodiment：
About 1.45 kilometers of route overall length, wherein 1.2 kilometers of seabed tunnel overall length (0.8 kilometer of segment length over strait), wherein seabed
Tunnel uses cofferdam cut and cover tunneling.The project uses two-lane class II highway standard, 60 kilometers/hour of desin speed, tunnel
Clear span：Open section 10.75m secretly buries a section 15.55m；Asphalt concrete pavement.According to elementary exploration, the seabed tunnel engineering place over strait
About 1.5-5 meters of the depth of water in 1~17 meter is silt clay under riverbed, medium-sand seam, silty clay are distributed completely decomposed down, strong
Weathered granite layer.Tunnel water stage casing main body uses " two piping lane of a hole " structure, bid section section 18.35m, high 8.5m, base plate thickness
1.4m, top plate thickness 1.2m, middle rolling car piping lane 10.95m, two lane designs, the wide 2.2m of flue piping lane, escape, cable passage are wide
1.8m.Using P10, C45 Reinforced Concrete Designs.
In construction tunnel agent structure, 0.5m~1m or so is performed toward accessory structure direction main body, is effectively avoided outer
Hang attached and main body overlap joint mouth waterproof problem leads to anti-water system to avoid accessory structure and tunnel agent structure differential settlement
System failure, the construction joint by tunnel agent structure and accessory structure lap-joint are deformation joint, are buried in the waterproof use of deformation joint
Formula rubber fastening band and 2.5mm polyurea water-proof layers, substantially increase special construction position outsourcing waterproof quality.
When construction, first perform tunnel agent structure and part satellite structure, then construction tunnel accessory structure, and change is set
Shape is stitched；Finally, the waterproof construction at construction accessory structure deformation joint position.Specific implementation mode is as follows：
1, tunnel main body and part satellite structure construction：
Tunnel accessory structure corresponding position agent structure is completed first, the tops accessory structure 0.5m~1m or so of then constructing
Plate, top plate, sidewall structure are arranged between tunnel main body and accessory structure top plate and tunnel main body and accessory structure bottom plate and become
Shape is stitched, and the deformation joint is construction joint, it is pre-buried go out reinforcing bar construction joint waterproof measure is carried out using rigid connection.
2, accessory structure waterproofing of movement joints is performed
Bottom deformation stitches waterproof and combines two-sided Macromolecular self-adhesive membrane waterproof roll 7, bottom using 1m wide back-adhering waterstops 5
Buried water stop 4 in setting in the middle part of plate.
Top plate (side wall) waterproofing of movement joints is using buried water stop 4 in the setting of plate in the structure, and outside is using spraying 2.5mm
Polyurea coating 12 carries out waterproof.
To sum up, in construction tunnel agent structure, 0.5m~1m or so is performed toward accessory structure direction main body, is effectively avoided
It is plug-in attached to avoid accessory structure and tunnel agent structure differential settlement to cause to prevent with main body overlap joint mouth waterproof problem
Water system fails, and is aside provided with deformation joint, and wherein roof deformation stitches waterproof, uses 2.5mm polyureas outsourcing waterproofs to apply for the first time
Layer, substantially increases special construction position outsourcing waterproof quality.
Although the utility model is described above in conjunction with attached drawing, the utility model is not limited to above-mentioned
Specific implementation mode, the above mentioned embodiment is only schematical, rather than restrictive, the ordinary skill of this field
Personnel are under the enlightenment of the utility model, in the case where not departing from the utility model aims, can also make many variations, this
It belongs within the protection of the utility model a bit.
Claims (3)
1. interface position and its waterproof construction of a kind of seabed tunnel and open cut accessory structure, wherein tunnel structure (1) with it is attached
Structure overlaps, which is characterized in that
The tunnel structure (1) and the lap position of accessory structure include the tunnel structure (1) and the accessory structure bottom plate
(2) at 0.5m~1m of laterally inboard and the laterally inboard of the tunnel structure (1) and the accessory structure top plate (21)
At 0.5m~1m, above-mentioned each lap position is both provided with deformation joint (3),
Middle buried water stop (4) is equipped in the deformation joint (3)；
Deformation joint (3) between the accessory structure bottom plate (2) and the tunnel structure (1) is positioned at the accessory structure bottom plate
(2) bottom surface is equipped with the back-adhering waterstop (5) that width is 1000mm, and the surface of the back-adhering waterstop (5) is equipped with double
Face Macromolecular self-adhesive membrane waterproof roll (7)；It is equipped with concrete cover (6) in the both sides of the back-adhering waterstop (5)；
The both ends of middle buried water stop (4) in deformation joint (3) between the accessory structure top plate (21) and the tunnel structure
Filling is filled with two-component polysulfide sealant (13), and the place of the deformation joint is located at the upper surface of described accessory structure top plate (21) and sets
It is the first waterproof reinforced layer (71) of 1000mm to have width, in the accessory structure top plate (21) and the tunnel structure side wall
It is equipped with the second waterproof reinforced layer (9) at interior angle, the polyurea coating of 2.5mm thickness is coated on the first waterproof reinforced layer (71)
(12), the width of the polyurea coating (12) coating be more than the first waterproof reinforced layer (71) width and with the at interior angle
Two waterproof reinforced layers (9) staggeredly overlap；
Two-sided Macromolecular self-adhesive membrane waterproof roll (7) on accessory structure bottom plate (2) is by the concrete cover (6)
With taking for tunnel structure side wall to accessory structure bottom plate (2) the first waterproof reinforced layer (71) and second waterproof reinforced layer (9)
The surface at the place of connecing is equipped with Macromolecular self-adhesive membrane waterproof roll (10)；
The is equipped on the Macromolecular self-adhesive membrane waterproof roll (10) at accessory structure bottom plate (2) and tunnel structure (1) interior angle
Three waterproof enhancement layers (91).
2. seabed tunnel exists with the interface position of open cut accessory structure and its waterproof construction, feature according to claim 1
In the length on third waterproof reinforced layer (91) both sides being arranged at accessory structure bottom plate (2) with tunnel structure (1) interior angle is
200mm。
3. seabed tunnel exists with the interface position of open cut accessory structure and its waterproof construction, feature according to claim 1
In the polyurea coating (12) interlocks the length on overlapping for 400mm with the second waterproof reinforced layer (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925454.5U CN207714386U (en) | 2017-12-31 | 2017-12-31 | A kind of interface position and its waterproof construction of seabed tunnel and open cut accessory structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925454.5U CN207714386U (en) | 2017-12-31 | 2017-12-31 | A kind of interface position and its waterproof construction of seabed tunnel and open cut accessory structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537635A (en) * | 2018-11-30 | 2019-03-29 | 中衡卓创国际工程设计有限公司 | Top plate of underground parking garage waterproofing of movement joints node and method of construction |
| CN112359876A (en) * | 2020-12-25 | 2021-02-12 | 中铁上海设计院集团有限公司 | Construction method for underground structure main body and auxiliary interface |
| CN115387386A (en) * | 2022-10-20 | 2022-11-25 | 中国二十冶集团有限公司 | Waterproof structure and construction process of comprehensive pipe rack |
-
2017
- 2017-12-31 CN CN201721925454.5U patent/CN207714386U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537635A (en) * | 2018-11-30 | 2019-03-29 | 中衡卓创国际工程设计有限公司 | Top plate of underground parking garage waterproofing of movement joints node and method of construction |
| CN109537635B (en) * | 2018-11-30 | 2021-02-19 | 中衡卓创国际工程设计有限公司 | Waterproof node for deformation joint of top plate of underground garage and construction method |
| CN112359876A (en) * | 2020-12-25 | 2021-02-12 | 中铁上海设计院集团有限公司 | Construction method for underground structure main body and auxiliary interface |
| CN115387386A (en) * | 2022-10-20 | 2022-11-25 | 中国二十冶集团有限公司 | Waterproof structure and construction process of comprehensive pipe rack |
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