CN109488344A - Subway waterstop waterproof construction method - Google Patents
Subway waterstop waterproof construction method Download PDFInfo
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- CN109488344A CN109488344A CN201811267255.9A CN201811267255A CN109488344A CN 109488344 A CN109488344 A CN 109488344A CN 201811267255 A CN201811267255 A CN 201811267255A CN 109488344 A CN109488344 A CN 109488344A
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- concrete layer
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- increased
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- 238000010276 construction Methods 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
- 238000003466 welding Methods 0.000 claims abstract description 71
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 60
- 239000002689 soil Substances 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 210000003205 muscle Anatomy 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 210000004243 sweat Anatomy 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 claims 3
- 238000005345 coagulation Methods 0.000 claims 3
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 13
- 230000000903 blocking effect Effects 0.000 description 7
- 238000005266 casting Methods 0.000 description 7
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- UOZOCOQLYQNHII-UHFFFAOYSA-N 6-bromo-2-(6-bromo-3-hydroxy-1H-indol-2-yl)indol-3-one Chemical compound [O-]c1c([nH]c2cc(Br)ccc12)C1=[NH+]c2cc(Br)ccc2C1=O UOZOCOQLYQNHII-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The present invention provides a kind of subway waterstop waterproof construction methods, the following steps are included: S1) the overall structure reinforcing bar of concrete layer that first pours of subsection setup, the end of each segment structure reinforcing bar and one section of buried water strip are fixed, multistage buried water strip is connected and fixed in such a way that end is welded；S2 it) is parallel to meeting native face and being spaced a predetermined distance the multiple newly-increased waterstops of setting with welding buried water strip for welding buried water strip, and the structure reinforcing bars of newly-increased waterstop and the concrete layer first poured are fixed；S3 it is poured in the overall structure reinforcing bar of the concrete layer) formerly poured, to form the concrete layer first poured；S4) the overall structure reinforcing bar of the concrete layer of subsection setup after-pouring, and the structure reinforcing bars for the concrete layer for welding the bared end and after-pouring of buried water strip and newly-increased waterstop are fixed；S5 it) is poured in the overall structure reinforcing bar of the concrete layer of after-pouring, to form the concrete layer of after-pouring.
Description
Technical field
The present invention relates to Waterproof construction technique of subway fields, and in particular to a kind of subway waterstop waterproof construction method.
Background technique
Structure of the subway waterproof is the important component of subway work, and the sealing band connection of current most of subways is using cold
Bonding or the mode of welding, though cold bonding method rapid and convenient, its adhesive effect is undesirable, and connector treatability is poor, and durability is poor, because
And less use；Weld it is easy to operate, it is impervious good compared with cold bonding effect, but weld it is time-consuming, at butt joint welding quality requirement
It is higher, occur Joint Cracking often or infiltration phenomenon, impervious effect are poor.
Summary of the invention
The object of the present invention is to provide a kind of subway waterstop waterproof construction methods, can reach preferable anti-seepage effect,
And waterproof effect is greatly improved.
Subway waterstop waterproof construction method provided by the invention, for the waterproof of structure of the subway construction joint, the construction
Seam is formed between the concrete layer first poured in subway work and the concrete layer of adjacent after-pouring, the construction method packet
Include following steps: S1) the overall structure reinforcing bar of concrete layer that first pours described in subsection setup, each segment structure reinforcing bar is being set
The end of each segment structure reinforcing bar and one section of buried water strip are fixed later, multistage buried water strip is welded by end
Mode is connected and fixed to form the welding buried water strip fixed with the overall structure reinforcing bar of the concrete layer first poured, wherein
The end weld of the multistage buried water strip forms sealing belt lacing, and the setting pouring to be formed so that described first pour
Concrete layer after the welding buried water strip can be partially embedded in the concrete layer first poured；S2) parallel
Meeting native face and be spaced a predetermined distance that setting is multiple newly-increased to be stopped with the welding buried water strip in the welding buried water strip
Water band, the corresponding sealing belt lacing setting in the central axes of each newly-increased waterstop, and by the newly-increased waterstop and the elder generation
The structure reinforcing bars of the concrete layer poured are fixed, the setting so that pour to form the concrete layer first poured after it is described
Newly-increased waterstop can be partially embedded in the concrete layer first poured；S3) in the concrete layer first poured
It is poured in overall structure reinforcing bar, to form the concrete layer first poured, is buried only in the welding after the completion of pouring
Water band and the newly-increased waterstop are partially embedded in the concrete layer first poured；S4) after-pouring described in subsection setup
Concrete layer overall structure reinforcing bar, and by it is described welding buried water strip and the newly-increased waterstop bared end with it is described
The structure reinforcing bars as connecting pin of the concrete layer of after-pouring are fixed, described to be arranged so that the welding buried water strip and institute
The bared end for stating newly-increased waterstop can be embedded in the concrete layer of the after-pouring by all pouring；S5) in the after-pouring
It is poured in the overall structure reinforcing bar of concrete layer, it is described after the completion of pouring to form the concrete layer of the after-pouring
The bared end of welding buried water strip and the newly-increased waterstop, which is all poured, to be embedded in the concrete layer of the after-pouring.
Preferably, in step S1), the end by each segment structure reinforcing bar is fixed with one section of buried water strip, packet
It includes: the buried water strip is fixed along the central axes on the structure reinforcing bars thickness direction.
Preferably, in step S2), the structural steel by the newly-increased waterstop and the concrete layer first poured
Muscle is fixed, comprising: fixes the newly-increased waterstop along the central axes on the structure reinforcing bars thickness direction.
Preferably, in step S2), the preset distance meets native face and the elder generation less than the welding buried water strip
The distance between overall structure reinforcing bar edge of the concrete layer poured.
Preferably, the material of the buried water strip and the newly-increased waterstop is rubber, the mode of the end welding
For sweat soldering.
Preferably, the surface of native face and the newly-increased waterstop towards soil layer side is met in the welding buried water strip
Alongst it is provided with diversion trench.
Preferably, the width of the newly-increased waterstop is more than or equal to the width of the welding buried water strip, described newly-increased
The length of waterstop is less than the length of any one section of buried water strip.
Preferably, the both ends ora terminalis of the newly-increased waterstop is towards the chamfered shape of soil layer.
Subway waterstop waterproof construction method provided by the invention, by the welding buried water strip in the direction of the width one
Part, which pours, to be embedded in the last period casting concrete layer, and another part is cast in latter section of casting concrete layer, is made
Obtaining the welding buried water strip can cover at the construction joint position, and the water flow in soil layer is buried only by the welding
The blocking of water band and flow to two sides, prevent the water in soil layer from oozing out from the construction joint, preferable anti-seepage effect can be reached；
By the way that newly-increased waterstop is arranged in the native face of meeting for being parallel to the welding buried water strip, the water flow in soil layer is by described newly-increased
The blocking of waterstop and flow to two sides, the sealing belt lacing is directly impacted so as to avoid water flow, damages infiltration, it is maximum
The guarantee effect of waterproof.
The other feature and advantage of the embodiment of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to further understand for providing to the embodiment of the present invention, and constitute part of specification, under
The specific embodiment in face is used to explain the present invention embodiment together, but does not constitute the limitation to the embodiment of the present invention.Attached
In figure:
Fig. 1 is to weld buried water strip in the subway waterstop waterproof construction method of embodiment according to the present invention and increase newly
The relative position schematic diagram of waterstop；
Fig. 2 is to weld buried water strip in the subway waterstop waterproof construction method of embodiment according to the present invention and increase newly
The front view of waterstop.
Description of symbols
1 construction joint 2 welds buried water strip
3 newly-increased waterstops 4 meet native face
5 sealing belt lacings
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the embodiment of the present invention.It should be understood that this
Locate described specific embodiment and be merely to illustrate and explain the present invention embodiment, is not intended to restrict the invention embodiment.
With reference to the accompanying drawing, technical solution in the embodiment of the present invention is described in detail.
As shown in Figure 1 and Figure 2, subway waterstop waterproof construction method provided by the invention is used for structure of the subway construction joint 1
Waterproof, the construction joint 1 be formed in the concrete layer that is first poured in subway work and adjacent after-pouring concrete layer it
Between, the construction method is the following steps are included: S1) the overall structure reinforcing bar of concrete layer that first pours described in subsection setup,
Each segment structure reinforcing bar is arranged later to fix the end of each segment structure reinforcing bar and one section of buried water strip, will be buried only in multistage
Water band is connected and fixed to be formed and the fixation of the overall structure reinforcing bar of the concrete layer first poured in such a way that end is welded
Buried water strip 2 is welded, wherein the end weld of the multistage buried water strip forms sealing belt lacing 5, the setting makes
Pour to form the concrete layer first poured after the welding buried water strip 2 can be partially embedded in and described first poured
In the concrete layer built；S2) be parallel to the welding buried water strip 2 meets native face 4 and between the welding buried water strip 2
Every preset distance, multiple newly-increased waterstops 3 are set, the corresponding sealing belt lacing 5 in central axes of each newly-increased waterstop 3 is arranged,
And fix the structure reinforcing bars of the newly-increased waterstop 3 and the concrete layer first poured, it is described to be arranged so that pouring shape
The concrete layer first poured can be partially embedded at newly-increased waterstop 3 described after the concrete layer first poured
In；S3 it) is poured in the overall structure reinforcing bar of the concrete layer first poured, to form the concrete first poured
Layer, after the completion of pouring the welding buried water strip 2 and the newly-increased waterstop 3 be partially embedded in it is described first pour it is mixed
In solidifying soil layer；S4) the overall structure reinforcing bar of the concrete layer of after-pouring described in subsection setup, and by the welding buried water strip
2 and the bared end of the newly-increased waterstop 3 and the structure reinforcing bars as connecting pin of the concrete layer of the after-pouring fix, institute
State setting enable it is described welding buried water strip 2 and the newly-increased waterstop 3 bared end by all poured be embedded in it is described after
In the concrete layer poured；S5 it) is poured in the overall structure reinforcing bar of the concrete layer of the after-pouring, described in being formed
The concrete layer of after-pouring, the bared end of the welding buried water strip 2 and the newly-increased waterstop 3 is full after the completion of pouring
Portion, which is poured, to be embedded in the concrete layer of the after-pouring.
Subway waterstop waterproof construction method provided by the invention, construction joint 1 are formed in the concrete layer first poured and phase
Between the concrete layer of adjacent after-pouring, carried out since in practice of construction, casting concrete needs to be segmented, therefore subsection setup
The overall structure reinforcing bar of the concrete layer first poured, by each segment structure reinforcing bar after each segment structure reinforcing bar is arranged
End is fixed with one section of buried water strip, is seeped water in order to prevent between each buried water strip, by multistage buried water strip
It is connected and fixed to form the welding fixed with the overall structure reinforcing bar of the concrete layer first poured in such a way that end is welded
Buried water strip 2, enable the welding buried water strip 2 in the longitudinal direction along the extending direction of the construction joint 1,
It is arranged in width direction perpendicular to the construction joint 1, is buried only in the welding after the pouring of concrete layer for completing first to pour
A part of pour is embedded in the concrete layer first poured water band 2 in the direction of the width, bared end in the direction of the width
It is all poured in the concrete layer for being embedded in after-pouring, the welding buried water strip 2 is enabled to be completely covered by the construction joint
1, water flow in soil layer by the welding buried water strip 2 blocking and flow to two sides, prevent the water in soil layer from applying from described
It is oozed out in work seam 1, preferable anti-seepage effect can be reached；The welding buried water strip 2 passes through end by multistage buried water strip
The mode of head welding forms, and the end weld of the multistage buried water strip forms sealing belt lacing 5, described in order to prevent to stop
Water belt lacing 5 is directly damaged by the water impact in soil layer, and is seeped water at the sealing belt lacing 5, described
Newly-increased waterstop 3, the water in soil layer is arranged in 5 position of sealing belt lacing described in native 4 side face of face of meeting of welding buried water strip 2
It flows the blocking by the newly-increased waterstop 3 and flows to two sides, the sealing belt lacing 5 is directly impacted so as to avoid water flow,
Infiltration is damaged, waterproof performance has obtained great promotion.
The material of a kind of embodiment according to the present invention, the buried water strip is rubber, in order to weld, the end
The mode of head welding is sweat soldering, and it is good that effect is welded and fixed.
A kind of embodiment according to the present invention, in step S1), side that multistage buried water strip is welded by end
Formula is connected and fixed, comprising the following steps: is cut the joint of the buried water strip neatly, polishing is smooth, cuts pre- fixed length
The raw rubber side welding rod and connection strap of degree；Two sections of adjacent buried water strips are laid on welding machine bottom plate, connection strap is put into
Among seam, side welding rod is laid on the buffed surface of the buried water strip, so that seam two sides width is equal；Use hot melt
Machine is welded, and cooling is taken out after twenty minutes.
A kind of embodiment according to the present invention, in step S1), using positioning bar by the end of each segment structure reinforcing bar
It is fixed with one section of buried water strip, to prevent in casting process, the welding buried water strip 2 is displaced.
A kind of embodiment according to the present invention, it is preferable that in step S1), the end by each segment structure reinforcing bar
Head is fixed with one section of buried water strip, comprising: by the buried water strip along the axis on the structure reinforcing bars thickness direction
Line is fixed, so that buried water strip is fixed on the middle position on the structure reinforcing bars thickness direction, so that formed after welding
The welding buried water strip 2 can be embedded in the middle position of the concrete layer thickness first poured, fixed to be not easy
Damage.
According to the technique and scheme of the present invention, step S2) be parallel to it is described welding buried water strip 2 meet native face 4 and with institute
It states welding buried water strip 2 and is spaced a predetermined distance the multiple newly-increased waterstops 3 of setting, the central axes of each newly-increased waterstop 3 are corresponding
One sealing belt lacing 5 is arranged, and the structure reinforcing bars of the newly-increased waterstop 3 and the concrete layer first poured are fixed,
It is described setting enable pour to form the concrete layer first poured after the newly-increased waterstop 3 be partially embedded in institute
It states in the concrete layer first poured；The corresponding sealing belt lacing 5 in central axes of each newly-increased waterstop 3 is arranged, so that described
Newly-increased waterstop 3 can shelter from the sealing belt lacing 5, prevent the sealing belt lacing 5 directly by the water flow in soil layer
It impacts and damages, and the structure reinforcing bars of the newly-increased waterstop 3 and the concrete layer first poured are fixed, so that pouring
When building to form the concrete layer first poured, the newly-increased waterstop 3 will not be moved, and 3 energy of newly-increased waterstop
It is enough to be partially embedded in the concrete layer first poured.
The material of a kind of embodiment according to the present invention, the newly-increased waterstop 3 is rubber, and it is good to block diversion effect.
A kind of embodiment according to the present invention, it is preferable that the cut surface of the newly-increased waterstop 3 is polished, is made
The newly-increased waterstop 3 towards the distance between both ends ora terminalis of soil layer side be less than backwards to soil layer side both ends ora terminalis it
Between distance, the both ends ora terminalis of the newly-increased waterstop 3 is conducive to the water that native side 4 is met described in helping towards the chamfered shape of soil layer
Two sides are flowed to along the surface of the newly-increased waterstop 3.
A kind of embodiment according to the present invention, in step S2), using positioning bar by the newly-increased waterstop 3 and institute
The structure reinforcing bars for stating the concrete layer first poured are fixed, to prevent the newly-increased waterstop 3 described in casting process to be displaced, and
Influence waterproof effect.
A kind of embodiment according to the present invention, it is preferable that described by the newly-increased waterstop 3 and institute in step S2)
The structure reinforcing bars for stating the concrete layer first poured are fixed, comprising: by the newly-increased waterstop 3 along the structure reinforcing bars thickness side
Upward central axes are fixed, so that the newly-increased waterstop 3 is fixed on the middle position of the thickness of the structure reinforcing bars, are being poured
It can be embedded in the middle position of the concrete layer thickness of the after-pouring afterwards, it is fixed to be hardly damaged.
A kind of embodiment according to the present invention, it is preferable that in step S2), the preset distance is less than the welding
The distance between the overall structure reinforcing bar edge for meeting native face 4 and the concrete layer first poured of buried water strip 2, to guarantee
Pouring the rear newly-increased waterstop 3 can be embedded into the concrete layer first poured.
A kind of embodiment according to the present invention, it is preferable that the width of the newly-increased waterstop 3 is more than or equal to the welding
The width of buried water strip 2 can be blocked the sealing belt lacing 5 with guaranteeing the newly-increased waterstop 3 in the direction of the width
Firmly, for example, the size for increasing waterstop 3 newly can be 30 lis of 30 cm x if the width of welding buried water strip 2 is 30 centimetres
Rice, or 40 40 centimetres of cm x can select the size of the newly-increased waterstop 3 according to live service condition,
To guarantee to cover in the sealing belt lacing 5；Sealing is buried during the length of the newly-increased waterstop 3 is described less than any one section
The length of band, to prevent that chiasma interference occurs between the adjacent newly-increased waterstop 3.
A kind of embodiment according to the present invention, the length of every section of buried water strip is by one section of casting concrete layer
Length determines, it is preferable that the equal length of every section of buried water strip to be welded, such as between 8-12 meters.
A kind of embodiment according to the present invention, it is preferable that meet native face 4 and described in the welding buried water strip 2
The surface of newly-increased waterstop 3 towards soil layer side is alongst provided with diversion trench, the water flow oozed out in the soil layer by
To the blocking of the welding buried water strip 2 and the newly-increased waterstop 3, two sides are flowed to along the direction of the diversion trench, are prevented
Only the construction joint 1 seeps water, and prevents the sealing belt lacing 5 to be destroyed and seep water, and utmostly ensure that waterproof
Effect.
According to the technique and scheme of the present invention, step S3) in the overall structure reinforcing bar of the concrete layer first poured into
Row pours, and to form the concrete layer first poured, the welding buried water strip 2 and described increase newly are stopped after the completion of pouring
Water band 3 is partially embedded in the concrete layer first poured.
According to the technique and scheme of the present invention, step S4) it is carried out since in practice of construction, casting concrete needs to be segmented,
Therefore the overall structure reinforcing bar of the concrete layer of after-pouring described in subsection setup, and by the welding buried water strip 2 and described
The structure reinforcing bars as connecting pin of the bared end and the concrete layer of the after-pouring of newly-increased waterstop 3 are fixed, to prevent
The welding buried water strip 2 and the newly-increased waterstop 3 are subjected to displacement during being poured, described to be arranged so that described
The bared end of welding buried water strip 2 and the newly-increased waterstop 3 can all be poured the concrete layer for being embedded in the after-pouring
In.
According to the technique and scheme of the present invention, S5) it is poured in the overall structure reinforcing bar of the concrete layer of the after-pouring
It builds, to form the concrete layer of the after-pouring, the welding buried water strip 2 and the newly-increased waterstop after the completion of pouring
3 bared end, which is all poured, to be embedded in the concrete layer of the after-pouring.
Subway waterstop waterproof construction method provided by the invention, described 2 a part of welding buried water strip pour pre-buried
In the concrete layer formerly poured, another part is cast in the concrete layer of after-pouring, so that the welding buried water strip 2
It can cover at 1 position of construction joint, the water flow in soil layer is flowed to two by the blocking for welding buried water strip 2
Side prevents the water in soil layer from oozing out from the construction joint 1, can reach preferable anti-seepage effect；It is parallel in the welding
Newly-increased waterstop 3 is arranged in the native face 4 of meeting for burying waterstop 2, the water flow in soil layer by the newly-increased waterstop 3 blocking and flow to
Two sides directly impact the sealing belt lacing 5 so as to avoid water flow, damage infiltration, and waterproof performance has obtained greatly
It is promoted, utmostly ensure that the effect of waterproof.
The optional embodiment of the embodiment of the present invention is described in detail in conjunction with attached drawing above, still, the embodiment of the present invention is simultaneously
The detail being not limited in above embodiment can be to of the invention real in the range of the technology design of the embodiment of the present invention
The technical solution for applying example carries out a variety of simple variants, these simple variants belong to the protection scope of the embodiment of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the embodiment of the present invention pair
No further explanation will be given for various combinations of possible ways.
In addition, any combination can also be carried out between a variety of different embodiments of the embodiment of the present invention, as long as it is not
The thought of the embodiment of the present invention is violated, equally should be considered as disclosure of that of the embodiment of the present invention.
Claims (8)
1. a kind of subway waterstop waterproof construction method is used for the waterproof of structure of the subway construction joint (1), construction joint (1) shape
Between concrete layer at the concrete layer and adjacent after-pouring that are first poured in subway work, which is characterized in that described to apply
Work method the following steps are included:
S1) the overall structure reinforcing bar of the concrete layer first poured described in subsection setup, will after each segment structure reinforcing bar is arranged
The end of each segment structure reinforcing bar is fixed with one section of buried water strip, and multistage buried water strip is connected in such a way that end is welded
The fixed welding buried water strip (2) for being formed and being fixed with the overall structure reinforcing bar of the concrete layer first poured is connect, wherein institute
The end weld for stating multistage buried water strip forms sealing belt lacing (5), and the setting pouring to be formed so that described first pour
The welding buried water strip (2) can be partially embedded in the concrete layer first poured after the concrete layer built；
S2) it is parallel to meeting native face (4) and being spaced with the welding buried water strip (2) pre- for welding buried water strip (2)
Multiple newly-increased waterstops (3) are arranged in set a distance, and the corresponding sealing belt lacing (5) in central axes for each increasing waterstop (3) newly sets
It sets, and the newly-increased waterstop (3) and the structure reinforcing bars of the concrete layer first poured is fixed, it is described to be arranged so that pouring
The coagulation first poured can be partially embedded in by building the newly-increased waterstop (3) after forming the concrete layer first poured
In soil layer；
S3 it) is poured in the overall structure reinforcing bar of the concrete layer first poured, to form the coagulation first poured
Soil layer, the welding buried water strip (2) and the newly-increased waterstop (3), which are partially embedded in, after the completion of pouring described first pours
In the concrete layer built；
S4) the overall structure reinforcing bar of the concrete layer of after-pouring described in subsection setup, and by the welding buried water strip (2) and
The structure reinforcing bars as connecting pin of the bared end and the concrete layer of the after-pouring of the newly-increased waterstop (3) are fixed, institute
Stating setting enables the bared end of welding buried water strip (2) and the newly-increased waterstop (3) to be embedded in institute by whole poured
It states in the concrete layer of after-pouring；
S5 it) is poured in the overall structure reinforcing bar of the concrete layer of the after-pouring, to form the coagulation of the after-pouring
Soil layer, the bared end of welding buried water strip (2) and the newly-increased waterstop (3), which is all poured, after the completion of pouring is embedded in
In the concrete layer of the after-pouring.
2. subway waterstop waterproof construction method according to claim 1, which is characterized in that described to incite somebody to action in step S1)
The end of each segment structure reinforcing bar is fixed with one section of buried water strip, comprising: by the buried water strip along the structural steel
Central axes on muscle thickness direction are fixed.
3. subway waterstop waterproof construction method according to claim 1, which is characterized in that described to incite somebody to action in step S2)
The newly-increased waterstop (3) and the structure reinforcing bars of the concrete layer first poured are fixed, comprising: by the newly-increased waterstop
(3) it is fixed along the central axes on the structure reinforcing bars thickness direction.
4. subway waterstop waterproof construction method according to claim 1, which is characterized in that described pre- in step S2)
Set a distance is less than the overall structure steel for meeting native face (4) Yu the concrete layer first poured of welding buried water strip (2)
The distance between muscle edge.
5. subway waterstop waterproof construction method according to claim 1, which is characterized in that the buried water strip and institute
The material for stating newly-increased waterstop (3) is rubber, and the mode of the end welding is sweat soldering.
6. subway waterstop waterproof construction method according to claim 1, which is characterized in that bury sealing in the welding
Band (2) meet native face (4) and the surface of newly-increased waterstop (3) towards the soil layer side is alongst provided with water conservancy diversion
Slot.
7. subway waterstop waterproof construction method according to claim 1, which is characterized in that the newly-increased waterstop (3)
Width be more than or equal to the width of welding buried water strip (2), the length of the newly-increased waterstop (3) is less than any one section
The length of the buried water strip.
8. subway waterstop waterproof construction method according to claim 1, which is characterized in that the newly-increased waterstop (3)
Both ends ora terminalis towards the chamfered shape of soil layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811267255.9A CN109488344B (en) | 2018-10-29 | 2018-10-29 | Waterproof construction method for subway water stop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811267255.9A CN109488344B (en) | 2018-10-29 | 2018-10-29 | Waterproof construction method for subway water stop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109488344A true CN109488344A (en) | 2019-03-19 |
| CN109488344B CN109488344B (en) | 2020-08-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811267255.9A Active CN109488344B (en) | 2018-10-29 | 2018-10-29 | Waterproof construction method for subway water stop |
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| Country | Link |
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| CN (1) | CN109488344B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009174169A (en) * | 2008-01-23 | 2009-08-06 | Shimizu Corp | Waterproof structure of lining concrete |
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| JP2009174169A (en) * | 2008-01-23 | 2009-08-06 | Shimizu Corp | Waterproof structure of lining concrete |
| CN102409702A (en) * | 2011-09-16 | 2012-04-11 | 中铁三局集团有限公司 | Method for performing seam waterproof construction in underground continuous wall by using embedded rubber water stop tapes |
| CN202644587U (en) * | 2012-05-09 | 2013-01-02 | 中铁十八局集团第三工程有限公司 | Subway station main body structure plate deformation gap water-proof structure |
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| CN108678000A (en) * | 2018-07-20 | 2018-10-19 | 中铁三局集团有限公司 | A kind of U-shaped retaining structure of roadbed Xia Chuan highways and its construction method |
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