CN217439182U - Connection structure for new and old concrete construction - Google Patents
Connection structure for new and old concrete construction Download PDFInfo
- Publication number
- CN217439182U CN217439182U CN202221174938.1U CN202221174938U CN217439182U CN 217439182 U CN217439182 U CN 217439182U CN 202221174938 U CN202221174938 U CN 202221174938U CN 217439182 U CN217439182 U CN 217439182U
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- Prior art keywords
- new
- concrete layer
- old concrete
- sealing rubber
- old
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- 238000010276 construction Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 210000001503 joint Anatomy 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 238000007664 blowing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 230000004888 barrier function Effects 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract description 2
- 238000004078 waterproofing Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model discloses a connection structure is used in construction of new and old concrete, including old concrete layer and new concrete layer, the bottom on old concrete layer and new concrete layer is provided with double-deck waterproofing membrane, be provided with the butt joint face between old concrete layer and the new concrete layer, the butt joint face outside all is provided with the preformed groove, the outside in preformed groove is provided with the sealing rubber bulge, two sets of connecting strips of sealing rubber bulge lower extreme stretch into in the preformed groove. The utility model relates to a new old concrete construction uses connection structure, design the rubber seal swell, seal the junction of new old concrete to along with the gap grow of junction, the rubber seal swell can be hugged closely in the preformed groove department through atmospheric pressure effort, keep its sealed effect, improve waterproof ability; design nonrust steel bushing, play fixed guard action to the sealing rubber swell to establish first waterproof barrier in the structure outside, be suitable for different working conditions, bring better use prospect.
Description
Technical Field
The utility model relates to a concrete construction technical field, in particular to connection structure is used in new and old concrete construction.
Background
At present, along with the continuous acceleration of urbanization process, more and more underground buildings or underground engineering can be built, in the process of building underground structures such as subways and underground spaces, the problem of butt joint of a newly-built structure and an original structure or permanent plugging of reserved holes is often encountered, the problem often relates to the connection of newly-poured concrete and old concrete, and inevitably exists a construction joint when the old concrete and the newly-poured concrete are in butt joint, so that the problems of water seepage, water leakage and the like of the butt-jointed structure occur, the normal use and the structural durability of the structures such as subways and underground spaces are influenced, the joint can expand along with the service life, certain adverse effects are brought in the use process, and therefore, a new and old concrete construction connecting structure is provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a connection structure is used in new and old concrete construction, can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a connection structure is used in new and old concrete construction, includes old concrete layer and new concrete layer, the bottom on old concrete layer and new concrete layer is provided with double-deck waterproofing membrane, be provided with the butt joint face between old concrete layer and the new concrete layer, the butt joint face outside all is provided with the preformed groove, the outside of preformed groove is provided with the sealing rubber swell, two sets of connecting strips of sealing rubber swell lower extreme stretch into the preformed groove in, the connecting strip utilizes the foot nail to penetrate respectively in old concrete layer and the new concrete layer, the sealing rubber swell is in the interior caulking groove of stainless steel bushing, the both sides of stainless steel bushing are provided with the auricle, and it is fixed to utilize penetrating bolt and old concrete layer, new concrete layer on the auricle.
Preferably, a plurality of groups of steel bars are arranged between the old concrete layer and the new concrete layer, and gaps at the butt joint surfaces are extremely small.
Preferably, the sealing rubber bulge is in an air blowing state, and a closed space is formed between the sealing rubber bulge and the reserved groove.
Preferably, three groups of stainless steel sleeves are respectively arranged on the sealing rubber bulge, and the joints of the sleeves are welded.
Compared with the prior art, the utility model discloses following beneficial effect has: according to the connecting structure for the new and old concrete construction, the sealing rubber bulge is designed to seal the joint of the new and old concrete, and the sealing rubber bulge can be tightly attached to the reserved groove through the air pressure acting force along with the increase of the gap of the joint, so that the sealing effect is kept, and the waterproof capacity is improved; designing a stainless steel sleeve to play a role in fixing and protecting a sealing rubber bulge, and establishing a first waterproof barrier outside the structure; whole connection structure design is simple, convenient operation, and the effect of use is better for traditional mode, and the part that does not involve in this device all is the same with prior art or can adopt prior art to realize.
Drawings
FIG. 1 is a schematic view of the overall structure of a connection structure for new and old concrete construction according to the present invention;
FIG. 2 is a view of a disassembled part of the connection structure for new and old concrete construction of the present invention;
fig. 3 is the utility model relates to a new and old concrete construction is with connection structure's inside view.
In the figure: 1. an old concrete layer; 2. a new concrete layer; 3. double-layer waterproof coiled material; 4. a butt joint surface; 5. reserving a groove; 6. sealing the rubber bulge; 7. a connecting strip; 8. foot nails; 9. a stainless steel sleeve; 10. an embedded groove is formed; 11. a tab; 12. and (4) bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in figures 1-3, a connection structure for new and old concrete construction comprises an old concrete layer 1 and a new concrete layer 2, double-layer waterproof rolls 3 are arranged at the bottoms of the old concrete layer 1 and the new concrete layer 2, a waterproof effect is achieved at the connection bottom, a butt joint surface 4 is arranged between the old concrete layer 1 and the new concrete layer 2, reserved grooves 5 are formed in the outer sides of the butt joint surfaces 4, sealing rubber bulges 6 are arranged on the outer sides of the reserved grooves 5, two groups of connecting strips 7 at the lower ends of the sealing rubber bulges 6 extend into the reserved grooves 5, the connecting strips 7 respectively penetrate into the old concrete layer 1 and the new concrete layer 2 through foot nails 8 to achieve a fixing effect, the sealing rubber bulges 6 are positioned in embedded grooves 10 of a stainless steel sleeve 9 and are in a blowing high-pressure state, lug pieces 11 are arranged on two sides of the stainless steel sleeve 9, and bolts 12 penetrate into the old concrete layer 1 and the lug pieces 11, Fixing the new concrete layer 2;
a plurality of groups of steel bars are arranged between the old concrete layer 1 and the new concrete layer 2 to play a role in connection and fixation, and the gap at the butt joint surface 4 is extremely small; the sealing rubber bulge 6 is in an air blowing state, and a closed space is formed between the sealing rubber bulge 6 and the reserved groove 5; three groups of stainless steel sleeves 9 are respectively arranged on the sealing rubber bulge 6, and the joints of the sleeves and the sleeves are welded to wrap three sides of the outer side of the structure.
It is required to explain, the utility model relates to a connection structure is used in new and old concrete construction, when using, reserve groove 5 has all been seted up to outside a week of interface 4, supply connecting strip 7 card to go into, install sealing rubber bulge 6, installation back sealing rubber bulge 6 can seal up reserve groove 5 and the inside interface 4 of reserving groove 5, the stainless steel bushing 9 who installs additional can play the effect of protection sealing rubber bulge 6, along with the increase in years, reserve groove 5 and interface 4's gap can be bigger and bigger, sealing rubber bulge 6 can hug closely in reserve groove 5 department through atmospheric pressure effort, keep its sealed effect, and is comparatively practical.
The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a new and old connection structure for concrete construction, includes old concrete layer (1) and new concrete layer (2), its characterized in that: the bottoms of the old concrete layer (1) and the new concrete layer (2) are provided with double-layer waterproof rolls (3), a butt joint surface (4) is arranged between the old concrete layer (1) and the new concrete layer (2), the outer sides of the butt joint surfaces (4) are provided with reserved grooves (5), the outer sides of the reserved grooves (5) are provided with sealing rubber bulges (6), two groups of connecting strips (7) at the lower end of the sealing rubber bulge (6) extend into the reserved groove (5), the connecting strips (7) are respectively penetrated into the old concrete layer (1) and the new concrete layer (2) by foot nails (8), the sealing rubber bulge (6) is positioned in an embedded groove (10) of the stainless steel sleeve (9), the two sides of the stainless steel sleeve (9) are provided with lugs (11), and bolts (12) penetrate through the lugs (11) to be fixed with the old concrete layer (1) and the new concrete layer (2).
2. The connection structure for new and old concrete construction according to claim 1, wherein: a plurality of groups of steel bars are arranged between the old concrete layer (1) and the new concrete layer (2), and gaps at the butt joint surfaces (4) are extremely small.
3. The connection structure for new and old concrete construction according to claim 2, wherein: the sealing rubber bulge (6) is in an air blowing state, and a closed space is formed between the sealing rubber bulge (6) and the preformed groove (5).
4. The connection structure for new and old concrete construction according to claim 3, wherein: three groups of stainless steel sleeves (9) are respectively arranged on the sealing rubber bulge (6), and the joints of the sleeves are welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221174938.1U CN217439182U (en) | 2022-05-17 | 2022-05-17 | Connection structure for new and old concrete construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221174938.1U CN217439182U (en) | 2022-05-17 | 2022-05-17 | Connection structure for new and old concrete construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217439182U true CN217439182U (en) | 2022-09-16 |
Family
ID=83219138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221174938.1U Active CN217439182U (en) | 2022-05-17 | 2022-05-17 | Connection structure for new and old concrete construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217439182U (en) |
-
2022
- 2022-05-17 CN CN202221174938.1U patent/CN217439182U/en active Active
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