CN206721936U - The waterproof construction system at underground pipe gallery expansion joint - Google Patents
The waterproof construction system at underground pipe gallery expansion joint Download PDFInfo
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- CN206721936U CN206721936U CN201720412272.1U CN201720412272U CN206721936U CN 206721936 U CN206721936 U CN 206721936U CN 201720412272 U CN201720412272 U CN 201720412272U CN 206721936 U CN206721936 U CN 206721936U
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- expansion joint
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- pipe gallery
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Abstract
The waterproof construction system technical field at underground pipe gallery expansion joint is the utility model is related to, discloses a kind of waterproof construction system at underground pipe gallery expansion joint.The utility model includes being arranged on middle buried water stop, caulking material and the pointing at expansion joint, the waterproof coating sprayed in piping lane side wall and the waterproof roll being covered in outside expansion joint；Caulking material is filled in the expansion joint of middle buried water stop both sides；Piping lane inner wall surface is coated with inner waterproofing coating, and inner waterproofing coating is extended in expansion joint；The closure of caulking material both ends has pointing, and pointing of the expansion joint close to piping lane inwall side is located on the outside of inner waterproofing coating；Piping lane outer wall surface is coated with outer waterproof coating, and the first waterproof roll and the second waterproof roll, the axis line overlap of the axis and expansion joint of the first waterproof roll and the second waterproof roll are equipped with successively on the outside of outer waterproof coating.The utility model waterproof construction system and concrete structure cohesive force are strong, not easy to crack, good water-proof effect.
Description
Technical field
The waterproof construction system technical field at underground pipe gallery expansion joint is the utility model is related to, more particularly to a kind of underground
The waterproof construction system at piping lane expansion joint.
Background technology
Piping lane is the artery of Urban Underground facility, and leakage problem is always the common quality defect for perplexing underground pipe gallery engineering；
Underground pipe gallery is used as " century-old engineering ", and effective waterproof turns into the most important thing.The substantially horizontal elongated structure of piping lane is simultaneously embedded in
Underground, it is typically provided compared with multinode and structural joint, rubber fastening band is provided with structural joint and node or steel plate stops
Water band, but with lateral pressure and structure caused by the wriggling of underground mud, a large amount of vehicle dynamic loads of earth's surface, Adjacent Buildings
The each side factor such as differential settlement combined influence, different degrees of dislocation, floating, only can be all caused at piping lane expansion joint
Phenomena such as water band drawing crack, cause piping lane expansion joint leak occur, potential safety hazard is brought to the various pipelines in the inside, pipeline.And by
In being provided with rain sewage storehouse in piping lane, inwall and the outer wall of piping lane are upstream face, and traditional waterproof construction system is typically flexible
Filling caulking material in seam, there is waterstop sealing to act on and adapt to the change at expansion joint, but this waterproof construction system
Anti- water coefficient is relatively low, and seepage easily occurs；And the expansion joint path of piping lane is longer, at node, seepage easily occurs and opens
Split.
Utility model content
The utility model provides a kind of strong with concrete structure cohesive force, underground pipe gallery not easy to crack, good water-proof effect
The waterproof construction system at expansion joint.
The technical problem of solution is：The waterproof construction system waterproof coefficient at the expansion joint of piping lane is low, easy seepage, path
It is long, tie point be present, easily cracking.
In order to solve the above technical problems, the utility model adopts the following technical scheme that：
The waterproof construction system at the utility model underground pipe gallery expansion joint, including buried sealing in being arranged at expansion joint
Band, caulking material and pointing, the waterproof coating sprayed and the waterproof roll being covered in outside expansion joint in piping lane side wall；It is described
Caulking material is filled in the expansion joint of middle buried water stop both sides；Piping lane inner wall surface is coated with inner waterproofing coating, and inner waterproofing applies
Layer is extended in expansion joint；The closure of caulking material both ends has pointing, pointing of the expansion joint close to piping lane inwall side
On the outside of inner waterproofing coating；Piping lane outer wall surface is coated with outer waterproof coating, is equipped with successively on the outside of the outer waterproof coating
First waterproof roll and the second waterproof roll, the axis of the axis and expansion joint of the first waterproof roll and the second waterproof roll
It is overlapping.
The waterproof construction system at the utility model underground pipe gallery expansion joint, further, the thickness of the caulking material is not
Width, length less than expansion joint are less than the length at expansion joint, and the termination of caulking material is apart from sidewall surfaces 25-30mm.
The waterproof construction system at the utility model underground pipe gallery expansion joint, further, the caulking material are polyethylene
Plastic foamboard；The pointing uses polysulfide sealing compound.
The waterproof construction system at the utility model underground pipe gallery expansion joint, further, the inner waterproofing coating, which uses, to be oozed
Saturating crystalline waterproof coating, the thickness of spraying is 1.5-2mm.
The waterproof construction system at the utility model underground pipe gallery expansion joint, further, the expansion joint is in piping lane
The closure width of the pointing of wall side is 3-5 times of expansion joint width.
The waterproof construction system at the utility model underground pipe gallery expansion joint, further, the outer waterproof coating is using non-
Curing rubber asphalt waterproofing paint, the thickness of spraying is 0.8-2mm.
The waterproof construction system at the utility model underground pipe gallery expansion joint, further, the width of first waterproof roll
It is 2 times of the first waterproof roll width to spend for 400-500mm, the width of second waterproof roll.
The waterproof construction system at the utility model underground pipe gallery expansion joint, further, first waterproof roll and
Two waterproof rolls use SBS modified asphalt waterproof coiled materials.
The waterproof construction system at the utility model underground pipe gallery expansion joint compared with prior art, has following beneficial to effect
Fruit：
The entirety of buried rubber fastening band is applied during the waterproof construction system at the utility model underground pipe gallery expansion joint has used
Work, the prefabricated integral loop configuration of waterstop, without heat-melting butt-joint at the scene, expansion joint both sides are done and has sealed and sets up attached
Add waterproof layer, effectively combined with water-repellent paint and waterproof roll, preferably realize the water proofing property of underground pipe gallery structure expansion joint
Energy.Due to being all upstream face inside and outside piping lane, different water-repellent paints is set respectively inside and outside, and outside outer wall
Side increases two layers of waterproof roll, waterproof roll integrally connected, seamless point, improves piping lane waterproof effect, effectively prevent anti-
The seepage and cracking of the junction of water-bound.
The waterproof construction system both ends concrete structure section construction at the utility model underground pipe gallery expansion joint, and will be interior anti-
In water coating spraying to expansion joint, pointing is then blocked again on the outside of interior waterproof coating, and expand the envelope of pointing
Stifled width, extends to the both sides at expansion joint, improves the anti-water coefficient of waterproof construction system, simplify working procedure, carry significantly
High efficiency of construction.
The waterproof construction system at underground pipe gallery expansion joint of the present utility model is described further below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the waterproof construction system at the utility model underground pipe gallery expansion joint；
Fig. 2 is the state shown in the construction method step one of the waterproof construction system at the utility model underground pipe gallery expansion joint
Figure；
Fig. 3 is the state shown in the construction method step two of the waterproof construction system at the utility model underground pipe gallery expansion joint
Figure；
Fig. 4 is the state shown in the construction method step three of the waterproof construction system at the utility model underground pipe gallery expansion joint
Figure；
Fig. 5 is the state shown in the construction method step four of the waterproof construction system at the utility model underground pipe gallery expansion joint
Figure；
Fig. 6 is the state shown in the construction method step five of the waterproof construction system at the utility model underground pipe gallery expansion joint
Figure；
Fig. 7 is the state shown in the construction method step six of the waterproof construction system at the utility model underground pipe gallery expansion joint
Figure.
Reference：
Buried water stop in 1-；2- caulking materials；3- pointings；4- inner waterproofing coatings；The outer waterproof coatings of 5-；6- first
Waterproof roll；The waterproof rolls of 7- second；81- band steels；82- plank sheathings；83- fixes keel；84- split bolts；85- scantlings；
86- concrete.
Embodiment
As shown in figure 1, the waterproof construction system at the utility model underground pipe gallery expansion joint includes being arranged at expansion joint
Middle buried water stop 1, caulking material 2 and pointing 3, the waterproof coating sprayed in piping lane side wall and are covered in outside expansion joint
Waterproof roll；Caulking material 2 is filled in the expansion joint of the middle both sides of buried water stop 1, the thickness of caulking material 2 is not less than expansion joint
Width, length be less than the length at expansion joint, the termination of caulking material 2 is poly- apart from sidewall surfaces 25-30mm, caulking material 2
Vinylic foam plate；Piping lane inner wall surface is coated with inner waterproofing coating 4, and inner waterproofing coating 4 is extended in expansion joint, inner waterproofing
Coating 4 uses penetration crystallization type water proofing paint, and the thickness of spraying is 1.5-2mm；The closure of the both ends of caulking material 2 has pointing 3,
Pointing 3 of the expansion joint close to piping lane inwall side is located at the outside of inner waterproofing coating 4, and closure width is the 3- of expansion joint width
5 times, pointing 3 uses polysulfide sealing compound；Piping lane outer wall surface is coated with outer waterproof coating 5, and outer waterproof coating 5, which is covered in, to be filled out
The outside of material 3 is stitched, the thickness of spraying is 0.8-2mm, and outer waterproof coating 5 uses uncured rubber asphalt waterproof coating；Outer waterproof
The outside of coating 5 is equipped with the first waterproof roll 6 and the second waterproof roll 7 successively, and the width of the first waterproof roll 6 is 400-
500mm, the width of the second waterproof roll 7 are 2 times of the width of the first waterproof roll 6, the first waterproof roll 6 and the second waterproof roll
7 axis and the axis line overlap at expansion joint, the first waterproof roll 6 and the second waterproof roll 7 use SBS modified asphalt waterproofs
Coiled material, the outer surface of the second waterproof roll 7 are also covered with shale protective layer.
The construction method of the waterproof construction system at the utility model underground pipe gallery expansion joint, specifically includes following steps：
Step 1: middle buried water stop is fixed：As shown in Fig. 2 the piping lane side wall of expansion joint side first carries out reinforcing bar colligation,
Middle buried water stop 1 is put into, is set up in parallel two band steels 81 at the edge 30-50mm of buried water stop 1 in distance, band steel 81 presss from both sides
Be located between adjacent both sides cage bar, set along expansion joint bearing of trend, with clamping middle buried water stop 1, it is ensured that in it is buried only
The axis of water band 1 overlaps with expansion joint center line, avoids shifting in concreting process；
Step 2: one section of formwork erection：As shown in figure 3, installing plank sheathing 82, it is divided to two along expansion joint center line with plank sheathing 82
Middle buried water stop 1 is clamped in side, the clamping fixed keel 83 in the outside of plank sheathing 82, and keel 83 are fixed with right corresponding to piping lane wall both sides
Bolt 84 is drawn to fasten；
Step 3: a section concrete pours：As shown in figure 4, the concrete eight 6 for carrying out the piping lane side wall of expansion joint side pours
Build, with the progress poured, slowly extract the band steel 81 of clamping middle buried water stop 1 out；Prevent from shaking in the casting process of concrete eight 6
Dynamic pump directly vibrates on middle buried water stop 1, prevents leakage, it is ensured that and the concrete vibrating of the middle lower floor of buried water stop 1 is closely knit,
Concrete eight 6 pours completion and reaches form removal after normal intensity；
Step 4: caulking material is set：As shown in figure 5, caulking material 2 is being poured the one of completion with sticking double faced adhesive tape
On the end face of section concrete 86, firm pasting, prevent caulking material 2 from moving, come off；Then set respectively at the both ends of caulking material 2
Elongated scantling 85, the width of scantling 85 are identical with the width at expansion joint；
Step 5: two sections of formwork erections：As shown in fig. 6, the reinforcing bar colligation in the piping lane side wall of expansion joint opposite side is carried out,
Plank sheathing 82 is installed, plank sheathing 82 is covered expansion joint and overlaps to the structural plane of a section concrete 86, the outside of plank sheathing 82
Clamping fixed keel 83, keel 83 are fixed corresponding to piping lane wall both sides and are fastened with split bolt 84；The buried water stop 1 in distance
It is set up in parallel two band steels 81 at edge 30-50mm, band steel 81 is folded between two adjacent cage bars, along expansion joint bearing of trend
Set, with clamping middle buried water stop 1；
Step 6: two section concretes pour：As shown in fig. 7, carry out the concrete eight 6 of the piping lane side wall of expansion joint opposite side
Pour, with the progress poured, slowly extract the band steel 81 of clamping middle buried water stop 1 out；Prevented in the casting process of concrete eight 6
Oscillating column pump directly vibrates on middle buried water stop 1, prevents leakage, it is ensured that the concrete vibrating of the middle lower floor of buried water stop 1 is close
It is real；Concrete eight 6 pours completion and reaches form removal after normal intensity, removes the scantling 85 that expansion joint both ends are set；
Step 7: inner waterproofing coating spraying：As shown in figure 1, the body structure surface of piping lane inwall is cleared up, in piping lane
Inner waterproofing coating 4 thick wall surface spraying 1.5-2mm, inner waterproofing coating 4 are extended in expansion joint；
Step 8: pointing is set：Blocked at the both ends of caulking material 2 with pointing 3, piping lane inwall side
The closure width of pointing 3 is 3-5 times of expansion joint width, it is ensured that pointing 3 can effectively cover expansion joint；
Concrete operations are as follows：Debris in expansion joint is cleaned out, on the structural plane of concrete eight 6 of expansion joint both sides
Protective rubber band is pasted, makes body structure surface dirty to prevent unnecessary colloid；The pointing 3 being stirred is filled out with grey knife or glue spraying gun layering
Enter in seam, and be compacted, fill up, strike off, protective rubber band of then tearing；Fill up at the expansion joint of sealing compound, avoided in 24 hours
Water rushes or drenched with rain；
Step 9: outer waterproof coating spraying：The body structure surface of piping lane outer wall is cleared up, accurately measure and fixed
Position, the position line of waterproof roll is ejected, in the thick outer waterproof coatings 5 of piping lane outer wall surface spraying 0.8-2mm, coating is wanted and substrate
It is firmly bonded, brushes uniformly, phenomena such as trickling, show-through, bubbling must not occurs；The coating used is uncured rubber asphalt, is needed
It is in liquid condition to be placed on heating in special heating tank, could be constructed when reaching defined heat temperature；
Step 10: waterproof roll is laid：Shorten coating exposure, dust pollution time as far as possible, treat that outer waterproof coating 5 is dried
Afterwards, paving the first waterproof roll 6 and the second waterproof roll 7 successively；
Layup sequence is by piping lane two side to piping lane top plate, during stickup from the bottom to top, flame gun should inside coiled material plus
Heat, then firmly push up coiled material and rolled, coiled material short side lap width is not less than 100mm, overlap edge and coiled material and knot
It is tight that the edge sealing of structure pays attention to rolling stickup, must not pay attention to the shale surface layer for destroying coiled material during heating.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, and on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical scheme of utility model is made, the protection of the utility model claims book determination all should be fallen into
In the range of.
Claims (8)
1. the waterproof construction system at underground pipe gallery expansion joint, it is characterised in that：Including buried sealing in being arranged at expansion joint
Band（1）, caulking material（2）With pointing（3）, the waterproof coating sprayed in piping lane side wall and the waterproof being covered in outside expansion joint
Coiled material；The middle buried water stop（1）Caulking material is filled in the expansion joint of both sides（2）；Piping lane inner wall surface is coated with interior anti-
Water coating（4）, inner waterproofing coating（4）Extend in expansion joint；Caulking material（2）Both ends closure has pointing（3）, expansion joint
Pointing close to piping lane inwall side（3）Positioned at inner waterproofing coating（4）Outside；Piping lane outer wall surface is coated with outer waterproof and applied
Layer（5）, the outer waterproof coating（5）Outside is equipped with the first waterproof roll successively（6）With the second waterproof roll（7）, first is anti-
Water coiled material（6）With the second waterproof roll（7）Axis and expansion joint axis line overlap.
2. the waterproof construction system at underground pipe gallery expansion joint according to claim 1, it is characterised in that：The caulking material
（2）Thickness be less than the length at expansion joint, caulking material not less than the width at expansion joint, length（2）Termination apart from side wall table
Face 25-30mm.
3. the waterproof construction system at underground pipe gallery expansion joint according to claim 1, it is characterised in that：The caulking material
（2）For polyethylene foams plate；The pointing（3）Using polysulfide sealing compound.
4. the waterproof construction system at underground pipe gallery expansion joint according to claim 1, it is characterised in that：The inner waterproofing applies
Layer（4）Using penetration crystallization type water proofing paint, the thickness of spraying is 1.5-2mm.
5. the waterproof construction system at underground pipe gallery expansion joint according to claim 1, it is characterised in that：Expansion joint is close to pipe
The pointing of corridor inwall side（3）Closure width be 3-5 times of expansion joint width.
6. the waterproof construction system at underground pipe gallery expansion joint according to claim 1, it is characterised in that：The outer waterproof applies
Layer（5）Using uncured rubber asphalt waterproof coating, the thickness of spraying is 0.8-2mm.
7. the waterproof construction system at underground pipe gallery expansion joint according to claim 1, it is characterised in that：First waterproof
Coiled material（6）Width be 400-500mm, second waterproof roll（7）Width be the first waterproof roll（6）2 times of width.
8. the waterproof construction system at underground pipe gallery expansion joint according to claim 1, it is characterised in that：First waterproof
Coiled material（6）With the second waterproof roll（7）Use SBS modified asphalt waterproof coiled materials.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720412272.1U CN206721936U (en) | 2017-04-19 | 2017-04-19 | The waterproof construction system at underground pipe gallery expansion joint |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930331A (en) * | 2017-04-19 | 2017-07-07 | 中建局集团第二建筑有限公司 | The waterproof construction system and its construction method at underground pipe gallery expansion joint |
| CN109457956A (en) * | 2018-12-05 | 2019-03-12 | 深圳市天健坪山建设工程有限公司 | A kind of die-filling method and structure of the construction of deformation joint |
| CN110438894A (en) * | 2019-08-21 | 2019-11-12 | 四川轻化工大学 | A kind of Highway Bridge Expansion Joint waterproof and noise-reduction method |
| CN112648014A (en) * | 2020-12-17 | 2021-04-13 | 华能浙江平湖海上风电有限责任公司 | Lining transverse seam filling method for underground gas storage and underground gas storage |
-
2017
- 2017-04-19 CN CN201720412272.1U patent/CN206721936U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930331A (en) * | 2017-04-19 | 2017-07-07 | 中建局集团第二建筑有限公司 | The waterproof construction system and its construction method at underground pipe gallery expansion joint |
| CN109457956A (en) * | 2018-12-05 | 2019-03-12 | 深圳市天健坪山建设工程有限公司 | A kind of die-filling method and structure of the construction of deformation joint |
| CN110438894A (en) * | 2019-08-21 | 2019-11-12 | 四川轻化工大学 | A kind of Highway Bridge Expansion Joint waterproof and noise-reduction method |
| CN112648014A (en) * | 2020-12-17 | 2021-04-13 | 华能浙江平湖海上风电有限责任公司 | Lining transverse seam filling method for underground gas storage and underground gas storage |
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