CN209779704U - Cold joint waterproof structure for underground engineering construction - Google Patents
Cold joint waterproof structure for underground engineering construction Download PDFInfo
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- CN209779704U CN209779704U CN201920223966.XU CN201920223966U CN209779704U CN 209779704 U CN209779704 U CN 209779704U CN 201920223966 U CN201920223966 U CN 201920223966U CN 209779704 U CN209779704 U CN 209779704U
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Abstract
The utility model discloses a cold joint waterproof structure for underground engineering construction, wherein a groove is arranged at a construction joint of a concrete structure I and a concrete structure II; two groups of mutually parallel reinforcing steel bars are arranged in the concrete structure I and the concrete structure II; a fixed structure is arranged between the steel bars of the concrete structure I; the steel plate is arranged in the groove and is connected with the groove through a fixing structure. There is the interface of stage construction in underground works, if the major structure is under construction in earlier stage, the interface envelope structure construction additional structure is broken away to the later stage, sets up groove structure through interface construction joint, utilizes the recess to set up stagnant water steel sheet, presss from both sides the steel sheet and as concrete placement mould with the flexible filler material of certain intensity. The utility model provides a when main part and attached stage construction, the problem that construction joint waterproof quality is difficult to guarantee to when the construction is attached, the main part board can guarantee construction joint interface construction quality through recess interface and attached board tenon interface rigid connection, and the atress is better.
Description
Technical Field
the utility model belongs to the technical field of underground works construction, in particular to underground works construction cold joint waterproof construction.
Background
With the development of urban construction, the development of urban space is changed from ground to underground, but the development of underground space is easily restricted by surrounding buildings, roads, pipelines, underground water and other environments, the construction environment is poor, and particularly for water-rich areas, the waterproof construction is very important. At present, in underground engineering, the joint seams of a main body structure and an auxiliary structure are connected in a flat mode in the traditional method, and a steel plate/water stop belt is arranged at the joint seam. This is also the reason that causes the current underground works to generally take place to leak in construction joint position, and this department leaks and is difficult to thoroughly restore, brings inconvenience and increase cost to follow-up operation.
SUMMERY OF THE UTILITY MODEL
the utility model discloses to the technical problem who exists among the prior art, a underground works construction cold joint waterproof construction is provided, through a simple structure, convenient to use's structure, when having solved because of main part and attached staging construction, the problem that construction joint waterproof quality is difficult to guarantee usually to when the construction is attached, the main part board can pass through recess interface and attached board tenon interface rigid connection, it has been improved that there is interface construction quality to be difficult to guarantee in traditional construction joint interface, the relatively poor situation of atress.
In order to solve the technical problem, the utility model discloses a technical scheme is: a cold joint waterproof structure for underground engineering construction comprises a first concrete structure (7), a second concrete structure (8) and a groove (1); the groove (1) is arranged at the construction joint interface of the first concrete structure (7) and the second concrete structure (8);
Two groups of mutually parallel reinforcing steel bars (9) are arranged inside the concrete structure I (7) and the concrete structure II (8); a fixing structure (4) is arranged between the steel bars (9) of the concrete structure I (7);
A steel plate (2) is arranged in the groove (1), and the steel plate (2) is connected with the groove (1) through a fixing structure (4);
the end part of the groove (1) adjacent to the second concrete structure (8) is provided with a waterproof structure (5) and a protection structure;
The groove (1) is provided with a gap filling material (6).
Preferably, the groove (1) is located in the center of the concrete structure I (7).
Preferably, the steel bars (9) of the concrete structure I (7) and the concrete structure II (8) are connected through the steel bar connector (3).
preferably, the fixing structure (4) is positioned on one side of the groove (1); the fixed structure (4) adopts bent-up constructional steel bars and structural steel bars to realize binding and fixing.
Preferably, fillers are arranged between the steel plate (2) and the groove (1); the filler adopts square wood and PE foam and is used for protecting the steel plate (2); has certain strength and can be used as a concrete pouring template.
preferably, the steel plate (2) is a galvanized steel plate or other water stop plate members.
Preferably, the waterproof structure (5) adopts a waterproof plate, a waterproof coiled material or a waterproof coating; the protection structure adopts water-swelling water-stop glue, a water-stop strip or sealant.
Preferably, the joint filling material (6) adopts a painting cement-based infiltration crystallization waterproof coating or other interface agent materials.
Preferably, the second concrete structure (8) is provided with tenons.
A construction method of a cold joint waterproof structure for underground engineering construction comprises the following steps:
a) Binding steel bars (9), reserving a steel bar connector (3), supporting a steel plate (2) and a fixing structure (4) by using a support, preparing a filler (10), supporting a first concrete structure (7) and a groove (1) which are constructed firstly by using a template, arranging a protective structure (11) at the end part of the groove (1), then completing concrete pouring, and constructing the first concrete structure (7);
b) breaking the enclosure structure, chiseling the end part of the groove (1) of the first concrete structure (7), constructing the waterproof structure (5), and constructing the reinforcing steel bars (9) and the fixed structure (4) in the second concrete structure (8) after binding; supporting a concrete structure II (8) by using a template;
c) Constructing a concrete structure II (8);
d) Applying a caulking material (6).
Compared with the prior art, the utility model discloses the beneficial effect who has is: the utility model discloses optimize construction joint interface form, through a simple structure, convenient to use's structure, establish the construction cold joint of taking the recess for the seam tip by the adjustment of traditional way (the seam tip is established the straight construction cold joint), when having solved because of main part and attached stage construction, the problem that interface seam waterproof quality is difficult to guarantee usually, and when the construction is attached, the main part board can be through recess interface and attached board tenon interface rigid connection, it has the interface construction quality to be difficult to guarantee to have improved traditional construction joint interface, the relatively poor situation of atress, reduce engineering cost and later maintenance cost, to the destruction of steel sheet when reducing construction structure construction behind the construction joint, improve structural durability.
Drawings
FIG. 1 is a construction process diagram of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
In the figure, 1-groove, 2-steel plate, 3-steel bar connector, 4-fixing structure, 5-waterproof structure, 6-gap filling material, 7-concrete structure I, 8-concrete structure II, 9-steel bar, 10-filler and 11-protection structure.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
A cold joint waterproof structure for underground engineering construction comprises a first concrete structure 7, a second concrete structure 8 and a groove 1; the groove 1 is arranged at the construction joint interface of the first concrete structure 7 and the second concrete structure 8;
Two groups of mutually parallel steel bars 9 are arranged inside the concrete structure I7 and the concrete structure II 8; a fixed structure 4 is arranged between the steel bars 9 of the concrete structure I7;
A steel plate 2 is arranged in the groove 1, and the steel plate 2 is connected with the groove 1 through a fixing structure 4;
The end part of the groove 1, which is adjacent to the second concrete structure 8, is provided with a waterproof structure 5 and a protection structure;
The recess 1 is provided with a caulking material 6.
In this embodiment, the groove 1 is located in the center of the concrete structure one 7.
in this embodiment, the steel bars 9 of the first concrete structure 7 and the second concrete structure 8 are connected through the steel bar connector 3.
In this embodiment, the fixing structure 4 is located at one side of the groove 1; fixed knot constructs 4 and adopts the bent-up constructional steel bar and structural steel bar, realizes that the ligature is fixed.
In the embodiment, a filler is arranged between the steel plate 2 and the groove 1; the filler adopts square wood and PE foam and is used for protecting the steel plate 2; has certain strength and can be used as a concrete pouring template.
in this embodiment, the steel plate 2 is a galvanized steel plate or other water stop plate member.
in this embodiment, the waterproof structure 5 is made of a waterproof sheet, a waterproof roll, or a waterproof paint; the protection structure adopts water-swelling water-stop glue, water-stop strip or sealant.
in this embodiment, the joint filling material 6 is a coating cement-based infiltration crystallization waterproof coating or other interface agent material.
In this embodiment, the concrete structure two 8 is provided with tenons.
A construction method of a cold joint waterproof structure for underground engineering construction comprises the following steps:
a) Binding steel bars 9, reserving a steel bar connector 3, supporting a steel plate 2 and a fixed structure 4 by using a support, preparing a filler 10, supporting a first constructed concrete structure 7 and a groove 1 by using a template, arranging a protective structure 11 at the end part of the groove 1, then completing concrete pouring, and constructing the first concrete structure 7;
b) Breaking the enclosure structure, chiseling the end part of the groove 1 of the first concrete structure 7, constructing the waterproof structure 5, and constructing the reinforcing steel bars 9 and the fixed structure 4 in the second concrete structure 8 after binding; supporting a concrete structure II 8 by using a template;
c) Constructing a concrete structure II 8;
d) a caulking material 6 is applied.
In the embodiment, the grooves are arranged at the construction joint interface to realize construction method optimization and improve waterproof nodes.
in this embodiment, set up unsmooth tongue-and-groove structure through the construction cold joint for seam crossing infiltration passageway length increases, and the infiltration passageway is followed straight construction cold joint by traditional way (the straight construction cold joint is established to structural plane tip) and is oozed water, changes into along unsmooth tongue-and-groove seam infiltration, and the infiltration passageway extension is not a straight line, so under the prerequisite that does not increase the construction degree of difficulty, has solved the seam percolating water problem that the structure implementation led to the fact by stage more ideally.
In this embodiment, there is the interface of stage construction in underground works, such as the major structure of being under construction earlier stage, under the operating mode such as interface envelope construction additional structure is abolished in the later stage, sets up groove structure through earlier stage structure interface construction joint, and later stage structure sets up the tenon structure, utilizes to set up the stagnant water steel sheet in the recess, cliies the steel sheet and regards as concrete placement mould through the flexible filler material that possesses certain intensity to reach and connect earlier stage, later stage concrete structure and play the purpose of waterproof effect.
In this embodiment, a groove structure is arranged at the joint of the first construction joint of the first pre-construction concrete structure, a steel plate is arranged on the groove structure, and the second concrete structure is provided with a tenon which is connected with the first pre-construction concrete structure through the steel plate in the groove.
The present invention has been described in detail with reference to the embodiments, but the description is only exemplary of the present invention and should not be construed as limiting the scope of the present invention. The protection scope of the present invention is defined by the claims. Technical scheme, or technical personnel in the field are in the utility model technical scheme's inspiration the utility model discloses an essence and protection within range, design similar technical scheme and reach above-mentioned technological effect, perhaps to the impartial change that application scope was made and improve etc. all should still belong to within the protection scope is covered to the patent of the utility model. It should be noted that for the sake of clarity, parts of the description of the invention have been omitted which do not have a direct obvious relationship with the scope of protection of the invention, but which are known to the skilled person.
Claims (9)
1. A cold joint waterproof structure for underground engineering construction comprises a first concrete structure (7) and a second concrete structure (8), and is characterized by further comprising a groove (1); the groove (1) is arranged at the construction joint interface of the first concrete structure (7) and the second concrete structure (8);
Two groups of mutually parallel reinforcing steel bars (9) are arranged inside the concrete structure I (7) and the concrete structure II (8); a fixing structure (4) is arranged between the steel bars (9) of the concrete structure I (7);
A steel plate (2) is arranged in the groove (1), and the steel plate (2) is connected with the groove (1) through a fixing structure (4);
The end part of the groove (1) adjacent to the second concrete structure (8) is provided with a waterproof structure (5) and a protection structure;
The groove (1) is provided with a gap filling material (6).
2. a waterproof structure for a cold joint in underground engineering construction according to claim 1, wherein the groove (1) is located at the center of the first concrete structure (7).
3. A cold joint water-proof structure for underground engineering construction according to claim 1, wherein the steel bars (9) of the first concrete structure (7) and the second concrete structure (8) are connected by the steel bar connector (3).
4. a waterproof structure for a cold joint in underground works according to claim 1, characterized in that the fixing structure (4) is located at one side of the groove (1); the fixed structure (4) adopts bent-up constructional steel bars and structural steel bars to realize binding and fixing.
5. a cold joint water-proof structure for underground engineering construction according to claim 1, wherein a filler is arranged between the steel plate (2) and the groove (1); the filler adopts square wood and PE foam and is used for protecting the steel plate (2).
6. A cold-seam water-proofing structure for underground works according to claim 1, characterized in that said steel plate (2) is a galvanized steel plate.
7. a cold-seam water-proofing structure for underground works according to claim 1, characterized in that said water-proofing structure (5) is made of waterproof sheet, waterproof roll or waterproof paint; the protection structure adopts water-swelling water-stop glue, a water-stop strip or sealant.
8. a cold-seam water-proof structure for underground engineering construction according to claim 1, wherein the joint filling material (6) is a painting cement-based infiltration crystallization water-proof paint.
9. A waterproof structure for a cold joint in underground engineering construction according to claim 1, wherein the second concrete structure (8) is provided with a tenon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920223966.XU CN209779704U (en) | 2019-02-22 | 2019-02-22 | Cold joint waterproof structure for underground engineering construction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920223966.XU CN209779704U (en) | 2019-02-22 | 2019-02-22 | Cold joint waterproof structure for underground engineering construction |
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| CN209779704U true CN209779704U (en) | 2019-12-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778917A (en) * | 2019-02-22 | 2019-05-21 | 中铁第六勘察设计院集团有限公司 | A kind of cold seam waterproof construction of underground engineering construction 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 |
| CN113186984A (en) * | 2020-01-14 | 2021-07-30 | 中铁第六勘察设计院集团有限公司 | Construction process for connecting newly-built underground passage with existing underground structure |
-
2019
- 2019-02-22 CN CN201920223966.XU patent/CN209779704U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778917A (en) * | 2019-02-22 | 2019-05-21 | 中铁第六勘察设计院集团有限公司 | A kind of cold seam waterproof construction of underground engineering construction and construction method |
| CN109778917B (en) * | 2019-02-22 | 2024-02-09 | 中铁第六勘察设计院集团有限公司 | Cold joint waterproof structure for underground engineering construction and construction method |
| CN113186984A (en) * | 2020-01-14 | 2021-07-30 | 中铁第六勘察设计院集团有限公司 | Construction process for connecting newly-built underground passage with existing underground structure |
| 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 |
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