CN215406197U - Water-resistant plate post-cast strip structure - Google Patents
Water-resistant plate post-cast strip structure Download PDFInfo
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- CN215406197U CN215406197U CN202121742059.XU CN202121742059U CN215406197U CN 215406197 U CN215406197 U CN 215406197U CN 202121742059 U CN202121742059 U CN 202121742059U CN 215406197 U CN215406197 U CN 215406197U
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Abstract
The utility model relates to a water-resistant plate post-cast strip structure, include reinforced concrete layer and set up the groove of pouring on reinforced concrete layer, be provided with bottom plate reinforcing bar net on reinforced concrete layer's the roof, be provided with first horizontal shutoff net on bottom plate reinforcing bar net's the roof, be provided with the stagnant water steel sheet on the roof of first horizontal shutoff net, be provided with second horizontal shutoff net on the roof of stagnant water steel sheet, be provided with roof reinforcing bar net on the roof of second horizontal shutoff net, it has first concrete layer to fill on reinforced concrete layer's the roof, it has second concrete layer to fill on the roof of pouring the groove. The mounting stability of the first horizontal plugging net is improved by the base plate reinforcing mesh; the first plugging net and the second plugging net improve the stability of the first concrete layer and the second concrete layer; the water stop steel plate can effectively prevent water from permeating into the post-cast strip from the crack between the first concrete layer and the second concrete layer, the waterproof capacity of the post-cast strip is improved, and the service life of the post-cast strip is effectively prolonged.
Description
Technical Field
The application relates to the technical field of post-cast strip structures, in particular to a water-resistant plate post-cast strip structure.
Background
The post-cast strip refers to a temporary strip-shaped seam which is only reserved in the construction period in a cast-in-place integral reinforced concrete structure, and is densely poured into a continuous integral structure by using concrete after being reserved for a certain time according to engineering requirements. The post-cast strip mainly has the function of reducing the structural length in the construction stage so as to reduce the shrinkage stress of concrete, eliminate differential settlement during construction and the like.
In the prior art, post-cast strip construction is to reserve a temporary construction joint with a certain width and formed by not pouring concrete at a corresponding position of a foundation slab, and pour a post-cast strip with the strength higher than that of the main structure concrete by more than one grade after the main structure is finished.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the contact department of the concrete of post-cast strip and main part can produce the crack because the concrete intensity difference, and the rainwater can make the post-cast strip infiltration from crack department inflow post-cast strip to lead to post-cast strip life to reduce.
SUMMERY OF THE UTILITY MODEL
In order to improve the water-proof effects in post-cast strip, this application provides a water-resistant board post-cast strip structure.
The application provides a pair of water-resistant board post-cast strip structure adopts following technical scheme:
the utility model provides a water-resistant plate post-cast strip structure, includes reinforced concrete layer and sets up the groove of pouring that is used for pouring the post-cast strip on reinforced concrete layer, on reinforced concrete layer's the roof and lie in the fixed bottom plate reinforcing bar net that is provided with directly over the groove of pouring, on the roof of bottom plate reinforcing bar net and lie in the both sides of pouring the groove all fixed first horizontal shutoff net that is provided with, the fixed stagnant water steel sheet that is provided with along the length direction of pouring the groove on the roof of first horizontal shutoff net, the fixed second horizontal shutoff net that is provided with on the roof of stagnant water steel sheet, the fixed roof reinforcing bar net that is provided with on the roof of second horizontal shutoff net, it has first concrete layer to fill on reinforced concrete layer's the roof, it has second concrete layer to fill on the roof of pouring the groove, the upper plane level of first concrete layer and second concrete layer.
By adopting the technical scheme, the worker installs the first horizontal plugging net on the bottom plate steel bar net, and the bottom plate steel bar net can effectively improve the installation stability of the first horizontal plugging net; the first plugging net and the second plugging net can effectively prevent the concrete in the first concrete layer from moving to the second concrete layer, play a role in blocking, and effectively improve the stability of the first concrete layer and the second concrete layer; when a crack is formed between the first concrete layer and the second concrete layer, the water-stop steel plate can effectively prevent water from permeating into the post-cast strip from the crack, so that the waterproof capability of the post-cast strip is improved, and the service life of the post-cast strip is effectively prolonged.
Optionally, the bottom wall of the pouring groove is provided with cleaning pits at intervals along the length direction of the pouring groove.
Through adopting above-mentioned technical scheme, the staff can produce debris and fall in pouring the inslot at mounting plate reinforcing bar net, first horizontal shutoff net, second shutoff net, stagnant water steel sheet etc. if not clear up and can lead to pouring the concrete connection insecure of pouring the inslot, and at this moment, the staff can be before pouring the concrete, and the debris that will fall into pouring the inslot cleans into in cleaning the hole, then pours the concrete and buries, has effectively improved the steadiness that the post-cast strip is connected.
Optionally, the cleaning pit, the pouring groove and the reinforced concrete layer are all provided with cushion layers, and waterproof layers are arranged on the cushion layers.
By adopting the technical scheme, the cushion layer is used for resisting water, draining water and preventing freezing, the conditions of the base layer and the soil foundation are improved, the water stability is improved, the deformation of the soil foundation is reduced, the waterproof layer can prevent water in the reinforced concrete layer from moving from the cushion layer to the direction of the post-cast strip, and the waterproof capability of the post-cast strip is effectively improved.
Optionally, a waterproof protective layer is arranged on the waterproof layer.
Through adopting above-mentioned technical scheme, the staff sets up waterproof layer on the waterproof layer, and waterproof layer can effectively prolong the life of waterproof layer to effectively ensure the waterproof ability in post-cast strip.
Optionally, an anti-floating bottom plate is arranged on the waterproof protective layer and located in the pouring groove, and a water-resistant pressure cushion layer is arranged between the anti-floating bottom plate and the waterproof protective layer.
Through adopting above-mentioned technical scheme, the anti bottom plate that floats of installation can effectively prevent to pour on the waterproof layer that the diapire in groove receives the counter force load of groundwater and leads to being located and pours groove horizontal migration, improves the anti ability of floating of pouring the groove, and waterproof pressure bed course can effectively prevent that anti bottom plate that floats from damaging the waterproof layer, improves the life and the stability of waterproof layer.
Optionally, a reinforcing steel bar protection layer is arranged on the water-resistant pressure cushion layer, and the anti-floating bottom plate is located in the reinforcing steel bar protection layer.
Through adopting above-mentioned technical scheme, the steel reinforcement protective layer effectively protects the life of anti bottom plate that floats, improves the stability of anti bottom plate that floats.
Optionally, a water stop is arranged on the reinforcing steel bar protection layer.
Through adopting above-mentioned technical scheme, the waterstop has the waterproof function of stagnant water, can prevent effectively that the post-cast strip from leaking and the infiltration still has the effect of shock attenuation buffering, effectively ensures the life of post-cast strip.
Optionally, a plurality of polyethylene plastic rods are arranged on the top wall of the water stop at intervals along the length direction of the pouring groove.
Through adopting above-mentioned technical scheme, the polyethylene plastic rod effectively ensures the embedding degree of depth of concrete, prevents effectively that concrete and waterstop from bonding, effectively ensures that the waterstop has the free flexible of certain degree, effectively improves the deformability of waterstop, and polyethylene plastic rod still has heat preservation, thermal-insulated, not water absorption, corrosion-resistant characteristics simultaneously, further improves the waterproof ability of post-cast strip.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the mounting stability of the first horizontal plugging net is improved by the base plate reinforcing mesh; the first plugging net and the second plugging net improve the stability of the first concrete layer and the second concrete layer; the water-stopping steel plate can effectively prevent water from permeating into the post-cast strip from a crack between the first concrete layer and the second concrete layer, so that the waterproof capability of the post-cast strip is improved, and the service life of the post-cast strip is effectively prolonged;
2. the working personnel can generate sundries to fall into the pouring groove when installing the bottom plate reinforcing mesh, the first horizontal plugging mesh, the second plugging mesh, the water stop steel plate and the like, and if the sundries are not cleaned, the concrete poured into the pouring groove is not firmly connected, at the moment, the working personnel can clean the sundries falling into the pouring groove into a cleaning pit before pouring the concrete, then pour the concrete for burying, and effectively improve the connection stability of the post-pouring belt;
3. the installation anti bottom plate that floats on the waterproof layer can prevent effectively that the diapire of pouring the groove from receiving the counter force load of groundwater and leading to being located pouring groove horizontal migration, improves the anti ability of floating of pouring the groove, and waterproof pressure bed course can prevent effectively that anti bottom plate that floats from damaging the waterproof layer, improves the life and the stability of waterproof layer.
Drawings
Fig. 1 is a schematic overall structure diagram of a water-resistant sheet post-cast strip structure according to an embodiment of the present application.
FIG. 2 is a partial cross-sectional view of a water resistant sheet post-cast strip construction according to an embodiment of the present application. (the steel bar net of the top plate is hidden in the figure)
Description of reference numerals: 1. a reinforced concrete layer; 2. pouring a groove; 3. a first horizontal plugging net; 4. a water stop steel plate; 5. a second horizontal plugging net; 6. a top plate reinforcing mesh; 7. cleaning the pit; 8. a cushion layer; 9. a waterproof layer; 10. a waterproof protective layer; 11. an anti-floating floor; 12. a water pressure resistant cushion layer; 13. a steel bar protective layer; 14. a water stop; 15. a polyethylene plastic rod; 16. a first concrete layer; 17. a second concrete layer; 18. a base plate reinforcing mesh.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a water-resistant plate post-cast strip structure. Referring to fig. 1 and 2, the water-resistant plate post-cast strip structure comprises a reinforced concrete layer 1 and a casting groove 2 which is arranged on the reinforced concrete layer 1 and used for casting a post-cast strip. Fixed mounting has bottom plate reinforcing bar net 18 directly over just being located pouring groove 2 on reinforced concrete layer 1's the roof, and the staff installs first horizontal shutoff net 3 on bottom plate reinforcing bar net 18's roof, and first horizontal shutoff net 3 installs two along pouring groove 2's width direction interval, and two first horizontal shutoff nets 3 all are located the lateral wall of pouring groove 2's both sides. Fixed mounting has stagnant water steel sheet 4 on the roof of first horizontal plugging net 3, and stagnant water steel sheet 4's one end is located reinforced concrete layer 1, the other end is located directly over pouring groove 2. A second horizontal plugging net 5 is fixedly installed on the top wall of each water stop steel plate 4, and a top plate reinforcing mesh 6 is fixedly installed on each water stop steel plate 4. Then the staff has poured first concrete layer 16 on the roof of reinforced concrete layer 1 and on the lateral wall that first horizontal plugging net 3 kept away from each other, has poured second concrete layer 17 between first horizontal plugging net 3 and second horizontal plugging net 5. The strength of the second concrete layer 17 is higher than that of the first concrete layer 16, and the upper planes of the first concrete layer 16 and the second concrete layer 17 are horizontal.
The bottom plate reinforcing mesh 18 and the top plate reinforcing mesh 6 are both made of cold-rolled ribbed reinforcing steel bars or cold-rolled round reinforcing steel bars, longitudinal reinforcing steel bars and transverse reinforcing steel bars are arranged at certain intervals and form right angles with each other, and reinforcing mesh sheets in a net structure are welded at all cross points. The bottom plate reinforcing mesh 18 and the top plate reinforcing mesh 6 effectively prevent the reinforced concrete layer 1 from settling due to uneven stress, and the stability of the reinforced concrete layer 1 is improved.
First horizontal plugging net 3 and second horizontal plugging net 5 all adopt steel screen, wire net and framework of steel reinforcement preparation to form, and the staff is spreading the wire net and is pasting in the both sides of steel screen, by with framework of steel reinforcement fixed connection. The first horizontal plugging net 3 and the second horizontal plugging net 5 effectively prevent the first concrete layer 16 and the second concrete layer 17 from moving relative to each other, so that concretes of different types are isolated, the problems of cracks and the like caused by different concretes with different structural strengths and different cold expansion ratios are effectively avoided, and the stability of the first concrete layer 16 and the second concrete layer 17 is improved; and the coagulation force of the first concrete layer 16, the second concrete layer 17 and the reinforced concrete layer 1 can be enhanced.
The water stop steel plate 4 adopts a cold-rolled sheet as a basic steel plate, the water stop steel plate 4 is welded between the first horizontal plugging net 3 and the second horizontal plugging net 5, and the opening of the water stop steel plate 4 faces downwards. When a crack is formed between the first concrete layer 16 and the second concrete layer 17, the water-stop steel plate 4 can effectively prevent water from permeating into the post-cast strip from the crack, so that the waterproof capability of the post-cast strip is improved, and the service life of the post-cast strip is effectively prolonged.
Referring to fig. 1 and 2, a plurality of cleaning pits 7 are installed on the bottom wall of the casting groove 2 at intervals along the longitudinal direction of the casting groove 2. The staff is at mounting plate reinforcing bar net 18, first horizontal shutoff net 3, second horizontal shutoff net 5, stagnant water steel sheet 4 etc. can produce debris and fall in pouring groove 2, if not clear up can lead to pouring the concrete connection insecure in pouring groove 2, at this moment, the staff can be before pouring the concrete, in rinsing and cleaning tool will fall into the debris in pouring groove 2 and clean into cleaning pit 7 with the water, then the pouring concrete buries, the steadiness that the post-cast strip is connected has effectively been improved.
Referring to fig. 1 and 2, the working personnel are provided with cushion layers 8 on the reinforced concrete layer 1, the pouring groove 2 and the cleaning pit 7, and the cushion layers 8 are formed by pouring plain concrete. The cushion layer 8 is used as a water-proof, water-draining and anti-freezing base layer, so that the conditions of a base layer and a soil foundation are improved, the water stability is improved, the deformation of the soil foundation is reduced, and the effects of protecting the reinforced concrete layer 1, the pouring groove 2 and cleaning the pit 7 can be achieved; and the construction and the paying-off on the reinforced concrete layer 1 and the pouring groove 2 are convenient for workers to carry out.
Referring to fig. 1 and 2, a waterproof layer 9 is installed on the cushion layer 8, and the waterproof layer 9 may be made of waterproof cement mortar or waterproof paint applied to the cushion layer 8. The waterproof layer 9 can prevent water in the reinforced concrete layer 1 from moving from the cushion layer 8 to the direction of the post-cast strip, and the waterproof capability of the post-cast strip is effectively improved.
Referring to fig. 1 and 2, a waterproof protective layer 10 is mounted on the waterproof layer 9, the waterproof protective layer 10 is made of cement mortar, fine aggregate concrete or waterproof roll, and in this embodiment, the waterproof protective layer 10 is made of fine aggregate concrete. The waterproof protective layer 10 can effectively prolong the service life of the waterproof layer 9 and enhance the timeliness, thereby effectively ensuring the waterproof capability of the post-cast strip.
Referring to fig. 1 and 2, a water-resistant pressure cushion layer 12 is installed on a waterproof protective layer 10 of a casting groove 2, and the water-resistant pressure cushion layer 12 is formed by casting concrete. An anti-floating bottom plate 11 is arranged on the anti-water pressure cushion layer 12, and the anti-floating bottom plate 11 is a well-shaped reinforcing mesh formed by welding reinforcing steel bars in a transverse and longitudinal cross mode respectively. The anti-floating bottom plate 11 can effectively prevent the bottom wall of the pouring groove 2 from horizontally moving due to the reverse force load of underground water, so that the anti-floating capacity of the pouring groove 2 is improved; and the waterproof pressure cushion layer 8 can effectively prevent the anti-floating bottom plate 11 from damaging the protective layer, and the service life and the stability of the protective layer are improved.
Referring to fig. 1 and 2, a reinforcing steel bar protection layer 13 is installed on the water-resistant pressure cushion layer 12, the anti-floating bottom plate 11 is poured in the reinforcing steel bar protection layer 13, and the reinforcing steel bar protection layer 13 is formed by pouring concrete and used for protecting the service life of the anti-floating bottom plate 11 and improving the stability of the anti-floating bottom plate 11.
Referring to fig. 1 and 2, a water stop 14 is attached to the reinforcing bar protection layer 13, and the water stop 14 is a rubber water stop 14 made of natural rubber or synthetic rubber as a main raw material. The post-cast strip has the advantages of good elasticity, wear resistance, aging resistance, tear resistance, strong adaptive deformability and good waterproof performance, can effectively prevent the post-cast strip from water seepage, also has the function of damping and buffering, and effectively ensures the service life of the post-cast strip. The worker fixes the waterstop 14 to the reinforcing bar protecting layer 13 using reinforcing bars.
Referring to fig. 1 and 2, a plurality of polyethylene plastic rods 15 are installed on the water stop 14 at intervals along the length direction of the pouring trough 2, one end of each polyethylene plastic rod 15 is fixedly connected with the water stop 14, the other end of each polyethylene plastic rod extends to the bottom plate reinforcing mesh 18, and the upper plane of each polyethylene plastic plate is horizontal to the upper plane of the bottom plate reinforcing mesh 18. The polyethylene plastic rod 15 effectively ensures the embedding depth of concrete, effectively prevents the concrete from being bonded with the water stop belt 14, effectively ensures that the water stop belt 14 has certain degree of free expansion and contraction, effectively improves the deformability of the water stop belt 14, simultaneously has the characteristics of heat preservation, heat insulation, no water absorption and corrosion resistance, and further improves the waterproof capacity of the post-cast belt.
The implementation principle of a water-resistant plate post-cast strip structure of the embodiment of the application is as follows: the staff sets up pouring groove 2 on reinforced concrete layer 1 earlier, install first horizontal shutoff net 3 on bottom plate reinforcing bar net 18, first shutoff net is fixed on the roof of bottom plate reinforcing bar net 18 and is located the both sides of pouring groove 2, fixed being provided with stagnant water steel sheet 4 on the roof of first shutoff net, fixed being provided with second horizontal shutoff net 5 on the roof of stagnant water steel sheet 4, fixed being provided with roof reinforcing bar net 6 in the top of second horizontal shutoff net 5, the staff waters first concrete layer 16 in reinforced concrete layer 1 and the one side of keeping away from each other of first horizontal shutoff net 3, it has second concrete layer 17 to water in pouring groove 2, the waterproof ability of post-cast strip is improved, the life of post-cast strip has effectively been prolonged.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a water-resistant plate post-cast strip structure, includes reinforced concrete layer (1) and sets up groove (2) of pouring that are used for pouring the post-cast strip on reinforced concrete layer (1), its characterized in that: a bottom plate reinforcing mesh (18) is fixedly arranged on the top wall of the reinforced concrete layer (1) and right above the pouring groove (2), first horizontal plugging nets (3) are fixedly arranged on the top walls of the bottom plate reinforcing meshes (18) and positioned at the two sides of the pouring groove (2), a water stop steel plate (4) is fixedly arranged on the top wall of the first horizontal plugging net (3) along the length direction of the pouring groove (2), a second horizontal plugging net (5) is fixedly arranged on the top wall of the water stop steel plate (4), a top plate reinforcing mesh (6) is fixedly arranged on the top wall of the second horizontal plugging mesh (5), a first concrete layer (16) is filled on the top wall of the reinforced concrete layer (1), a second concrete layer (17) is filled on the top wall of the pouring groove (2), the upper planes of the first concrete layer (16) and the second concrete layer (17) are horizontal.
2. A water resistant sheet post-cast strip structure as claimed in claim 1, wherein: and cleaning pits (7) are arranged on the bottom wall of the pouring groove (2) at intervals along the length direction of the pouring groove (2).
3. A water resistant sheet post-cast strip structure as claimed in claim 2, wherein: all be provided with bed course (8) on cleaning hole (7), pouring groove (2) and reinforced concrete layer (1), be provided with waterproof layer (9) on bed course (8).
4. A water resistant sheet post-cast strip structure as claimed in claim 3, wherein: and a waterproof protective layer (10) is arranged on the waterproof layer (9).
5. A water resistant sheet post-cast strip structure as claimed in claim 4, wherein: the waterproof protective layer (10) is provided with an anti-floating bottom plate (11), the anti-floating bottom plate (11) is located in the pouring groove (2), and a water-resistant pressure cushion layer (12) is arranged between the anti-floating bottom plate (11) and the waterproof protective layer (10).
6. A water resistant sheet post-cast strip structure as claimed in claim 5, wherein: and a steel bar protection layer (13) is arranged on the water-resistant pressure cushion layer (12), and the anti-floating bottom plate (11) is positioned in the steel bar protection layer (13).
7. A water resistant sheet post-cast strip structure as claimed in claim 6, wherein: and a water stop (14) is arranged on the reinforcing steel bar protection layer (13).
8. A water resistant sheet post-cast strip structure as claimed in claim 7, wherein: the top wall of the water stop (14) is provided with a plurality of polyethylene plastic rods (15) at intervals along the length direction of the pouring groove (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121742059.XU CN215406197U (en) | 2021-07-28 | 2021-07-28 | Water-resistant plate post-cast strip structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121742059.XU CN215406197U (en) | 2021-07-28 | 2021-07-28 | Water-resistant plate post-cast strip structure |
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| Publication Number | Publication Date |
|---|---|
| CN215406197U true CN215406197U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121742059.XU Active CN215406197U (en) | 2021-07-28 | 2021-07-28 | Water-resistant plate post-cast strip structure |
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| CN (1) | CN215406197U (en) |
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2021
- 2021-07-28 CN CN202121742059.XU patent/CN215406197U/en active Active
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