CN109137996A - A kind of waterproof construction method - Google Patents
A kind of waterproof construction method Download PDFInfo
- Publication number
- CN109137996A CN109137996A CN201811082585.0A CN201811082585A CN109137996A CN 109137996 A CN109137996 A CN 109137996A CN 201811082585 A CN201811082585 A CN 201811082585A CN 109137996 A CN109137996 A CN 109137996A
- Authority
- CN
- China
- Prior art keywords
- waterproof
- waterproof layer
- side wall
- overlapping part
- bottom plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
Abstract
The embodiment of the invention provides a kind of waterproof construction methods, are applied to tunnel structure, and the tunnel structure includes bottom cushion, anti-floating toe of wall and side wall, construct to form base plate waterproofing to the bottom cushion position, and the bottom plate overlapping part of reserved first length；It constructs to form side wall waterproof layer to the side wall position, and forms complex waterproof layer with bottom plate overlapping part spraying overlap joint；Reinforcement spraying application is carried out to the complex waterproof layer.Waterproof construction method provided by the invention carries out reinforcement spraying application by the complex waterproof layer to bottom plate and side wall overlapping part, can avoid the cracking leakage of overlapping part, the waterproof reliability of enhancing overlapping part.
Description
Technical field
The present invention relates to waterproof fields, more particularly to a kind of waterproof construction method.
Background technique
With the progress of tunnel construction technology, the constructing tunnels such as highway, railway, subway are more and more.These engineering projects
In tunnel water proofing problem also increasingly by each side pay close attention to because tunnel water proofing effect will be directly related to tunnel and run
Safety, reliability and durability in journey.
Application of the water-repellent paint in open trench tunnel field at present achieves good waterproof effect, reduces conventional waterproof volume
Cracking hidden danger caused by material overlapping the slot is excessive avoids the defects of not good enough caused channeling water of bond effect and long construction period.
However, the bottom plate due to open trench tunnel successively uses different waterproof construction methods from side wall, it is then desired to the bottom of by
The waterproof reliability of the spraying connection of the waterproof layer of plate and side wall, the overlapping part that this spraying connection is formed is poor.
Summary of the invention
The present invention provides a kind of waterproof construction method, to solve the waterproof reliability of tunnel floor Yu side wall overlapping part
Poor problem.
A kind of waterproof construction method is applied to tunnel structure, and the tunnel structure includes bottom cushion, anti-floating toe of wall and side
Wall, which comprises
It constructs to form base plate waterproofing to the bottom cushion position, and the bottom plate overlapping part of reserved first length；
Construct to form side wall waterproof layer to the side wall position, and with the bottom plate overlapping part spraying overlap joint formed it is compound
Waterproof layer；
Reinforcement spraying application is carried out to the complex waterproof layer.
It is optionally, described to construct to form base plate waterproofing to the bottom cushion position, comprising:
HDPE film is laid on the bottom cushion；
Water-repellent paint is sprayed on the HDPE film forms base plate waterproofing.
It is optionally, described that reinforcement spraying application is carried out to the complex waterproof layer, comprising:
Complex waterproof layer bending is fitted in into the anti-floating toe of wall；
Metal bead is arranged to the joint area of the complex waterproof layer, the metal bead is fixed on the anti-floating wall
On toe；
Waterproof reinforced layer is performed in the joint area；
Water-repellent paint is sprayed in the width regions that the complex waterproof layer corresponds to the anti-floating toe of wall forms final waterproof
Layer.
Optionally, the water-repellent paint is spraying rapid hardening rubber asphalt waterproof coating.
Optionally, after the bottom plate overlapping part of reserved first length, further includes:
It rolls the bottom plate overlapping part to form safeguard structure.
Optionally, first length is at least 400mm.
Optionally, the reinforcement waterproof width of the final waterproof layer is at least 450mm, wherein the reinforcement waterproof width
For the bottom plate overlapping part bending place and the waterproof reinforced layer close to the distance between described side wall end.
For the prior art, the present invention has following advantage:
Waterproof construction method provided by the invention carries out reinforcement by the complex waterproof layer to bottom plate and side wall overlapping part
Spraying application can avoid the cracking leakage of overlapping part, the waterproof reliability of enhancing overlapping part.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is a kind of flow chart of waterproof construction method provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of the tunnel structure of waterproof construction method application provided in an embodiment of the present invention；
Fig. 3 is the flow chart of another waterproof construction method provided in an embodiment of the present invention；
Fig. 4-1 is a kind of parameter schematic diagram of waterproof construction method provided in an embodiment of the present invention；
Fig. 4-2 is the parameter schematic diagram of another waterproof construction method provided in an embodiment of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
It should be appreciated that described herein, specific examples are only used to explain the present invention, and only present invention a part is real
Example is applied, instead of all the embodiments, is not intended to limit the present invention.
Embodiment one
Referring to Fig.1, a kind of flow chart of waterproof construction method is shown.This method can be applied to tunnel shown in Fig. 2
Structure, the tunnel structure include bottom cushion 10, anti-floating toe of wall 11 and side wall 12, and this method can specifically include following steps:
S101 constructs to form base plate waterproofing to the bottom cushion position, and the bottom plate clinch of reserved first length
Position；
It is anti-using pre- spray after the completion of bottom cushion is constructed and is conserved in open trench tunnel work progress in concrete application
Adhering process construction forms base plate waterproofing on bottom cushion, prevents the infiltration of tunnel bottom.Base plate waterproofing is formed in construction
When, the bottom plate overlapping part of the first length is reserved in the end of base plate waterproofing, which is used for and tunnel side
The waterproof layer of wall is attached.
S102 constructs to the side wall position to form side wall waterproof layer, and sprays overlap joint shape with the bottom plate overlapping part
At complex waterproof layer；
In concrete application, when sidewall structure construction molding and after the completion of conserving, at side wall position, spraying water-repellent paint is formed
Side wall waterproof layer when spraying water-repellent paint to side wall, can spray water-repellent paint to the vault in tunnel simultaneously together certainly, thus
Integrated waterproof layer can be formed on vault and side wall, prevents the leakage at tunnel side and top.Side wall waterproof layer is formed in construction
During, water-repellent paint is sprayed into aforementioned reserved bottom plate overlapping part together, makes side wall waterproof layer and base plate waterproofing
The two overlapping overlaps to form complex waterproof layer, avoids the leakage of base plate waterproofing Yu side wall waterproof layer connecting portion.
S103 carries out reinforcement spraying application to the complex waterproof layer.
In concrete application, after the completion of base plate waterproofing and side wall waterproof layer lapping construction, further, overlap joint is formed
Complex waterproof layer carry out reinforcement spraying application, avoid the factors such as environment, construction to the erosion damage of complex waterproof layer, avoid taking
Cracking leakage, the waterproof reliability of enhancing overlapping part of socket part position.
In conclusion the embodiment of the present invention includes following advantages: waterproof construction method provided by the invention, by bottom plate
Reinforcement spraying application is carried out with the complex waterproof layer of side wall overlapping part, can avoid cracking leakage, the enhancing overlap joint of overlapping part
The waterproof reliability at position.
Embodiment two
Referring to Fig. 3, a kind of flow chart of waterproof construction method is shown.This method can be applied to tunnel shown in Fig. 2
Structure.
S201 lays HDPE film on the bottom cushion；
In concrete application, the roadbed due to tunnel floor as tunnel can be rolled frequently by vehicle, need to be in base pad
HDPE (High Density Polyethylene, high density polyethylene (HDPE)) film is laid on layer, is sprayed HDPE film as water-repellent paint
The substrate of painting guarantees the structural reliability of base plate waterproofing.
S202 sprays water-repellent paint on the HDPE film and forms base plate waterproofing, and the bottom plate of reserved first length is taken
Socket part position；
In concrete application, lays after HDPE film on bottom cushion, be sprayed on water-repellent paint by spraying equipment
On HDPE film, after solidifying on HDPE film with HDPE film more structurally sound base plate waterproofing is collectively formed in water-repellent paint.It is constructing
When forming base plate waterproofing, the bottom plate overlapping part of the first length is reserved in the end of base plate waterproofing, the bottom plate clinch
Waterproof layer of the position for tunnel sidewalls is attached.
S203 rolls the bottom plate overlapping part to form safeguard structure；
In concrete application, after base plate waterproofing formation, reserved bottom plate overlapping part waterproof layer is rolled, to prevent rear
Continuous concrete construction pollutes it, guarantees the cleaning on overlap joint surface, the reliability that guarantees that overlapped.
S204 constructs to the side wall position to form side wall waterproof layer, and sprays overlap joint shape with the bottom plate overlapping part
At complex waterproof layer；
In concrete application, when sidewall structure construction molding and after the completion of conserving, at side wall position, spraying water-repellent paint is formed
Side wall waterproof layer when spraying water-repellent paint to side wall, can spray water-repellent paint to the vault in tunnel simultaneously together certainly, thus
Integrated waterproof layer can be formed on vault and side wall, prevents the leakage at tunnel side and top.Side wall waterproof layer is formed in construction
During, water-repellent paint is sprayed into aforementioned reserved bottom plate overlapping part together, makes side wall waterproof layer and base plate waterproofing
The two overlapping overlaps to form complex waterproof layer, avoids the leakage of base plate waterproofing Yu side wall waterproof layer connecting portion.
Complex waterproof layer bending is fitted in the anti-floating toe of wall by S205；
In concrete application, for the complex waterproof layer being previously formed, bent on the anti-floating toe of wall for being fitted in tunnel, with
Convenient for being fixed in the entity structure in tunnel.
S206 is arranged metal bead to the joint area of the complex waterproof layer, the metal bead is fixed on described
On anti-floating toe of wall；
In concrete application, metal bead is set in the joint area of complex waterproof layer, it, will by the pressuring action of metal strip
Complex waterproof layer is tightly fixed on anti-floating toe of wall, prevents the variation because of environmental factors such as temperature, humidity from causing its warping and cracking.
S207 performs waterproof reinforced layer in the joint area；
In concrete application, after being fixed using metal bead, waterproof reinforced is performed in the joint area of complex waterproof layer
Layer reinforces the water-proofing treatment to the joint area of complex waterproof layer, certainly, can specifically take spraying water-repellent paint mode or
It is that the other modes such as the mode for laying waterproof roll perform waterproof reinforced layer, the present invention does not constrain this.
S208 sprays water-repellent paint in the width regions that the complex waterproof layer corresponds to the anti-floating toe of wall and is formed finally
Waterproof layer.
In concrete application, after being fixed using metal bead and forming waterproof reinforced layer, in the width area of anti-floating toe of wall
In domain, final waterproof layer is formed to complex waterproof layer above-mentioned spraying water-repellent paint, the final mode layer is anti-by what is be previously formed
Water enhancement layer, metal bead, complex waterproof layer and overlapping part completely cover, and constitute final integral waterproofing structure.
Optionally, the water-repellent paint is spraying rapid hardening rubber asphalt waterproof coating.
In concrete application, water-repellent paint above-mentioned can select spraying rapid hardening rubber asphalt waterproof coating, have good
Ductility and elasticity, can by various loci cover in place, guarantee waterproof layer cover comprehensively.
Optionally, first length is at least 400mm.
In concrete application, as shown in Fig. 4-1, the first length L1 of side wall overlapping part is at least 400mm, the length energy ratio
It is suitable for the Tunnel Engineering of all kinds of diameters widely, guarantees that the overlap joint effect of bottom plate and side wall waterproof layer is reliable.
Optionally, the reinforcement waterproof width of the final waterproof layer is at least 450mm, wherein the reinforcement waterproof width
For the bottom plate overlapping part bending place and the waterproof reinforced layer close to the distance between described side wall end.
In concrete application, as shown in the Fig. 4-2, the partial enlargement diagram of the position I in Fig. 2 is given, final waterproof layer
Reinforcement waterproof width L2 is at least 450mm, and reinforcement waterproof width is the bending place location A and waterproof reinforced layer of bottom plate overlapping part
Close to the distance between side wall end B location.The width more can comprehensively cover entire overlapping regions, guarantee final waterproof effect
Reliably.
In conclusion the embodiment of the present invention includes following advantages:
Waterproof construction method provided by the invention uses metal by the complex waterproof layer to bottom plate and side wall overlapping part
Item is reinforced, and is constructed and formed multilayer flashing structure, and cracking leakage, the waterproof of enhancing overlapping part that can avoid overlapping part are reliable
Property.
For the various method embodiments described above, for simple description, therefore, it is stated as a series of action combinations, but
Be those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because according to the present invention, certain
A little steps can be performed in other orders or simultaneously.Secondly, those skilled in the art should also know that, it is retouched in specification
The embodiment stated belongs to preferred embodiment, and related actions and modules are not necessarily necessary for the present invention.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, commodity or the equipment that include a series of elements not only include that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, commodity or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in process, method, commodity or the equipment for including the element.
Above to a kind of waterproof construction method provided by the present invention, it is described in detail, it is used herein specifically
Principle and implementation of the present invention are described for a example, the present invention that the above embodiments are only used to help understand
Method and its core concept；At the same time, for those skilled in the art is being embodied according to the thought of the present invention
There will be changes in mode and application range, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (7)
1. a kind of waterproof construction method is applied to tunnel structure, the tunnel structure includes bottom cushion, anti-floating toe of wall and side
Wall, which is characterized in that the described method includes:
It constructs to form base plate waterproofing to the bottom cushion position, and the bottom plate overlapping part of reserved first length；
It constructs to form side wall waterproof layer to the side wall position, and forms composite water-proof with bottom plate overlapping part spraying overlap joint
Layer；
Reinforcement spraying application is carried out to the complex waterproof layer.
2. constructing that form bottom plate anti-to the bottom cushion position the method according to claim 1, wherein described
Water layer, comprising:
HDPE film is laid on the bottom cushion；
Water-repellent paint is sprayed on the HDPE film forms base plate waterproofing.
3. the method according to claim 1, wherein described apply complex waterproof layer progress reinforcement spraying
Work, comprising:
Complex waterproof layer bending is fitted in into the anti-floating toe of wall；
Metal bead is arranged to the joint area of the complex waterproof layer, the metal bead is fixed on the anti-floating toe of wall
On；
Waterproof reinforced layer is performed in the joint area；
Water-repellent paint is sprayed in the width regions that the complex waterproof layer corresponds to the anti-floating toe of wall forms final waterproof layer.
4. according to the method in claim 2 or 3, which is characterized in that
The water-repellent paint is spraying rapid hardening rubber asphalt waterproof coating.
5. the method according to claim 1, wherein after the bottom plate overlapping part of reserved first length,
Further include:
It rolls the bottom plate overlapping part to form safeguard structure.
6. the method according to claim 1, wherein
First length is at least 400mm.
7. according to the method described in claim 3, it is characterized in that,
The reinforcement waterproof width of the final waterproof layer is at least 450mm, wherein the reinforcement waterproof width is that the bottom plate is taken
The bending place of socket part position and the waterproof reinforced layer are close to the distance between described side wall end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811082585.0A CN109137996A (en) | 2018-09-17 | 2018-09-17 | A kind of waterproof construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811082585.0A CN109137996A (en) | 2018-09-17 | 2018-09-17 | A kind of waterproof construction method |
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| CN109137996A true CN109137996A (en) | 2019-01-04 |
Family
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| CN201811082585.0A Pending CN109137996A (en) | 2018-09-17 | 2018-09-17 | A kind of waterproof construction method |
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| CN110206585A (en) * | 2019-03-14 | 2019-09-06 | 中铁第一勘察设计院集团有限公司 | A kind of drainage groove waterproof construction method |
| CN111749718A (en) * | 2020-05-21 | 2020-10-09 | 大禹伟业(北京)国际科技有限公司 | Waterproof technology for tunnel construction |
| CN112502190A (en) * | 2020-10-30 | 2021-03-16 | 苏州久泰防水工程有限公司 | Construction method of waterproof paint |
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| CN112502190A (en) * | 2020-10-30 | 2021-03-16 | 苏州久泰防水工程有限公司 | Construction method of waterproof paint |
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Application publication date: 20190104 |