CN213979358U - Post-cast strip seepage-proofing anti-cracking structure - Google Patents
Post-cast strip seepage-proofing anti-cracking structure Download PDFInfo
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- CN213979358U CN213979358U CN202022738542.2U CN202022738542U CN213979358U CN 213979358 U CN213979358 U CN 213979358U CN 202022738542 U CN202022738542 U CN 202022738542U CN 213979358 U CN213979358 U CN 213979358U
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- 238000005336 cracking Methods 0.000 title claims description 15
- 230000002265 prevention Effects 0.000 claims abstract description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 71
- 239000004567 concrete Substances 0.000 claims description 44
- 230000003014 reinforcing effect Effects 0.000 claims description 43
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000011083 cement mortar Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 19
- 239000011178 precast concrete Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Abstract
The utility model relates to a post-cast strip prevention of seepage is anti-structure of splitting relates to construction's field, and it includes bed course and support frame, and the bed course sets up in post-cast strip perisporium department, and the support frame sets up between the both sides wall of post-cast strip, and the support frame is fixed with the back up coat, and the back up coat is provided with and is used for carrying out anti-structure of splitting to the back up coat, and the back up coat is provided with waterproof construction, and the one end that the back up coat was kept away from to waterproof construction is provided with the screed-coat. This application makes the anti crack function of prevention of seepage of post-cast strip better, reduces the gap quantity of the junction of post-cast strip and precast concrete simultaneously, makes the post-cast strip more firm.
Description
Technical Field
The application relates to the field of building construction, in particular to a post-cast strip seepage-proofing anti-cracking structure.
Background
At present, the post-cast strip is a concrete strip reserved at the corresponding position of a foundation slab, a wall and a beam according to the design or construction specification requirement in order to prevent harmful cracks possibly generated by uneven self shrinkage or uneven settlement of a cast-in-place reinforced concrete structure in building construction.
Because the large-scale water tank can generate settlement in the construction process, a post-cast strip is arranged at a position where the water tank structure is relatively less stressed, the post-cast strip temporarily divides the structure into a plurality of parts, the structure is shrunk through the interior of the component, the construction joint concrete is cast and tamped after a plurality of times, the structure is connected into an integral zone, when the casting time of the post-cast strip is proper to select the low temperature, the casting cement or the concrete doped with trace aluminum powder in the cement can be used, and the strength grade of the concrete is one level higher than that of the component.
With respect to the related art in the above, the inventors consider that there are the following drawbacks: the post-cast strip arranged in the construction process of a large pool project is easy to generate water seepage, the post-cast strip structure with the water seepage has a corrosion effect on the steel bars of the pool, and the structure of the reinforced concrete is easy to damage, so that the service life of the pool is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the post-cast strip of the water pool is seeped, the application provides an anti-seepage and anti-cracking structure for the post-cast strip.
The application provides a post-cast strip prevention of seepage crack structure adopts following technical scheme:
the utility model provides a post-cast strip prevention of seepage anti-cracking structure, includes bed course and support frame, the bed course sets up in post-cast strip perisporium department, the support frame sets up between the both sides wall of post-cast strip, the support frame is fixed with the back up coat, the back up coat is provided with and is used for carrying out anti-cracking structure anti to the back up coat, the back up coat is provided with waterproof construction, waterproof construction keeps away from the one end of back up coat is provided with the screed-coat.
Through adopting above-mentioned technical scheme, set up the post-cast strip in the atress in the pond and the less position of structure, the bed course is all pour earlier in the diapire in post-cast strip and lateral wall department, and the bed course improves the comparatively weak condition of post-cast strip department structure, and the back up coat wholly consolidates the support frame, makes the support frame wholly firmer, and the crack that the post-cast strip produced is restricted to anti-crack structure, makes the post-cast strip more stable.
Optionally, the reinforcing layer includes a plurality of reinforcing plates, the reinforcing plates include a plurality of upper reinforcing steel plates and a plurality of lower reinforcing steel plates, the lower reinforcing steel plates are arranged at one ends of the cushion layer far away from the bottom wall of the post-cast strip, and the upper reinforcing steel plates are arranged at one ends of the lower reinforcing steel plates far away from the cushion layer.
Through adopting above-mentioned technical scheme, consolidate the steel sheet down and all set up when the post-cast strip with last reinforcement steel sheet, fix the post-cast strip, the one end of going up the reinforcement steel sheet increases the holistic bearing capacity of post-cast strip with strengthening the steel sheet down, makes the holistic more firm of post-cast strip.
Optionally, the waterproof structure includes a rubber waterstop, the rubber waterstop sets up in two go up between the reinforcement steel sheet.
Through adopting above-mentioned technical scheme, when the rubber waterstop set up at last reinforcing steel sheet between, the rubber waterstop restriction post-cast strip produces and leaks water to carry out the shock attenuation buffering to last reinforcing steel sheet, make the bearing capacity of last reinforcing steel sheet higher.
Optionally, the two ends of the rubber water stop are respectively provided with a steel edge in a bonding manner, and the steel edges are fixed between the upper reinforcing steel plate and the lower reinforcing steel plate.
Through adopting above-mentioned technical scheme, the steel limit at both ends is fixed respectively at last reinforcing steel sheet and is consolidated under with between the steel sheet, and the not hard up phenomenon of waterstop appears in the concrete deformation within range reduction of messenger's post-cast strip to it is better to make the stagnant water effect.
Optionally, the leveling layer is arranged at one end, close to the waterproof structure, of the reinforcing layer, and the leveling layer is formed by stirring cement mortar.
Through adopting above-mentioned technical scheme, the screed-coat is laid in the post-cast strip, makes the one end that the back up coat is close to waterproof construction level more to strengthen the back up coat, thereby be convenient for laying of waterproof construction.
Optionally, the anti-crack structure includes a plurality of anti-crack reinforcing steel bars, the anti-crack reinforcing steel bars are arranged on the side walls of the two ends of the post-cast strip, one ends of the anti-crack reinforcing steel bars penetrate through the upper reinforcing steel plate and the lower reinforcing steel plate, and the other ends of the anti-crack reinforcing steel bars extend into the side walls of the post-cast strip.
By adopting the technical scheme, the anti-cracking reinforcing steel bars are arranged on the two side walls of the post-cast strip, the temperature of the concrete and the stress in each direction are balanced by the constraint of the anti-cracking reinforcing steel bars, and the cracks generated by the post-cast strip are reduced.
Optionally, the support frame includes the reinforcing bar net, the reinforcing bar net sets up in the both sides of post-cast strip, the reinforcing bar net sets up along post-cast strip extending direction.
By adopting the technical scheme, the steel mesh limits the unexpected concrete of the post-cast strip to flow into the post-cast strip in the construction process, the post-cast strip is blocked, and meanwhile, the concrete end face of the side wall of the post-cast strip is rough, so that the concrete is convenient to contact with the concrete of the post-cast strip.
Optionally, the cushion layer includes a concrete body poured between the reinforcing meshes, and the concrete body is set as concrete doped with a trace amount of expanding agent.
By adopting the technical scheme, the strength grade of the concrete doped with the micro-expanding agent is higher than that of the concrete at the bottom of the water pool, so that gaps between the new concrete and the old concrete are reduced, and the new concrete and the old concrete are more closely related.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the upper reinforcing steel plate and the lower reinforcing steel plate fix the post-cast strip and increase the integral bearing capacity of the post-cast strip at the same time, so that the post-cast strip is more stable;
2. the rubber waterstop is used for preventing the post-cast strip from being water, and the bearing capacity of the post-cast strip is higher;
3. the crack-resistant structure protects the post-cast strip and reduces cracks generated by the post-cast strip.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
fig. 2 is a schematic sectional view taken along line a-a of fig. 1.
Reference numerals: 1. a reinforcement layer; 11. an upper reinforcing steel plate; 12. a lower reinforcing steel plate; 3. a reinforcing mesh; 4. a concrete body; 5. anti-crack reinforcing steel bars; 6. a rubber waterstop; 7. steel edge; 8. and (4) leveling layer.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses anti-seepage and anti-cracking structure of post-cast strip. Referring to fig. 1, the width of the post-cast strip is set between 800mm to 1200mm, the anti-seepage and anti-cracking structure of the post-cast strip comprises a cushion layer and a support frame, the cushion layer is arranged at the peripheral wall and the upper surface of the post-cast strip, the support frame is arranged between two side walls of the post-cast strip, the support frame is fixed with a reinforcing layer 1, the reinforcing layer 1 comprises a plurality of reinforcing plates, the reinforcing plates comprise a plurality of upper reinforcing steel plates 11 and a plurality of lower reinforcing steel plates 12, the upper reinforcing steel plates 11 and the lower reinforcing steel plates 12 are both U-shaped steel plates, the upper reinforcing steel plates 11 and the lower reinforcing steel plates 12 are both arranged in pairs, the bottom walls of the two upper reinforcing steel plates 11 are symmetrically arranged relatively, the side walls of the upper reinforcing steel plates 11 and the lower reinforcing steel plates 12 are abutted against each other, the bottom walls of the lower reinforcing steel plates 12 are symmetrically arranged relatively, the lower reinforcing steel plates 12 are arranged at one end of the cushion layer far away from the bottom wall of the post-cast strip, the upper reinforcing steel plates 11 are arranged at one end of the lower reinforcing steel plates 12 far away from the cushion layer, when the lower reinforcing steel plate 12 and the upper reinforcing steel plate 11 are arranged in the post-cast strip, the post-cast strip is fixed, and the bearing capacity of the whole post-cast strip is increased by one end of the upper reinforcing steel plate 11 and the lower reinforcing steel plate 12, so that the whole post-cast strip is more stable.
Referring to fig. 2, reinforcing mesh 3 is arranged on two sides of the post-cast strip, the reinforcing mesh 3 is arranged along the extending direction of the post-cast strip, so that the height of two edges of the post-cast strip is higher, grooves are formed in the surface of the reinforcing mesh 3, pre-cast concrete on the side wall of the surface of the post-cast strip is chiseled, the reinforcing mesh 3 limits unexpected concrete of the post-cast strip in the construction process from flowing into the post-cast strip, the post-cast strip is blocked, and meanwhile, the concrete end face of the side wall of the post-cast strip is rough, so that the post-cast strip can be conveniently contacted with the concrete of the post-cast strip.
Referring to fig. 1 and 2, a concrete body 4 is poured in a post-cast strip surrounded by a reinforcing mesh 3, the concrete body 4 is set to be concrete doped with a trace expanding agent, the trace expanding agent doped with aluminum powder is trace aluminum powder, the strength grade of the concrete doped with aluminum powder is higher than that of the concrete at the bottom of a water pool by one grade, the post-cast strip is the same as that of the concrete at the bottom of the water pool, gaps between new and old concrete are reduced, and the new and old concrete are more closely connected.
Referring to fig. 2, the strengthening layer 1 is provided with and is used for carrying out anti crack structure that splits to the strengthening layer 1, anti crack structure includes a plurality of anti reinforcing bars 5 that split, a plurality of anti reinforcing bars 5 symmetry equidistance set up the lateral wall in post-cast strip, anti reinforcing bar 5 adopts HPB level reinforcing bar, the last reinforcing steel plate 11 and the lower reinforcing steel plate 12 of wearing to locate to split reinforcing bar 5's one end, the other end of anti reinforcing bar 5 extends to inside the lateral wall in post-cast strip, utilize the restraint of anti reinforcing bar 5 to balance the temperature of concrete and the stress of all directions, reduce the crack that the post-cast strip produced.
Referring to fig. 2, back up coat 1 is provided with waterproof construction, and waterproof construction includes rubber waterstop 6, and the pliability and the deformability of rubber waterstop 6 are all higher to relatively poor with the adsorptivity of concrete, rubber waterstop 6 sets up on two and consolidates between steel sheet 11, and when rubber waterstop 6 set up at last reinforcing between steel sheet 11, the rubber waterstop restriction post-cast strip produces and leaks water and oozes water, and carries out the shock attenuation buffering to last reinforcing steel sheet 11, and the bearing capacity that makes last reinforcing steel sheet 11 is higher.
Referring to fig. 2, both ends of rubber waterstop 6 are respectively bonded and are provided with steel edge 7, the material of steel edge 7 sets up to the galvanized steel sheet, the adsorption performance of galvanized steel sheet and concrete is good and makes the connectivity of steel edge 7 and concrete stronger, the steel sheet can bear bigger torsion and pulling force, make the stagnant water effect of rubber waterstop 6 better, steel edge 7 is fixed in and strengthens between steel sheet 11 and the lower reinforcing steel sheet 12 on the last, the steel edge 7 at both ends is fixed respectively at last reinforcing steel sheet 11 and strengthens between steel sheet 12 under, the not hard up phenomenon of waterstop appears in the concrete deformation within range reduction of messenger's post-cast strip.
Referring to fig. 2, the one end that reinforced layer 1 was kept away from to waterproof construction is provided with screed-coat 8, and screed-coat 8 sets up in the one end that reinforced layer 1 is close to waterproof construction, and screed-coat 8 sets up to the cement mortar stirring and forms, and the post-cast strip is laid to screed-coat 8, makes reinforced layer 1 be close to the one end of waterproof construction and levels more to strengthen reinforced layer 1, thereby be convenient for laying of waterproof construction.
The implementation principle of the post-cast strip anti-seepage and anti-cracking structure provided by the embodiment of the application is as follows:
the reinforcing layer 1 of the post-cast strip reinforces the post-cast strip, the upper reinforcing steel plate 11 and the lower reinforcing steel plate 12 of the reinforcing layer 1 enable the overall fixity of the post-cast strip to be better, the concrete at the bottom wall of the post-cast strip is chiseled to facilitate the pouring of the concrete body 4 of the post-cast strip, the concrete body 4 mixed with trace expanding agent enables the connection effect of the concrete body 4 paved in the post-cast strip and the concrete body 4 pre-paved at the peripheral wall of the post-cast strip to be better, the gap at the joint is reduced, one end of the anti-crack reinforcing steel bar 5 penetrates through the peripheral wall of the post-cast strip, the leveling layer 8 is arranged at one end of the rubber water stop 6 far away from the reinforcing layer 1 to facilitate the arrangement of the upper reinforcing steel plate 11 and the reinforcing plate, the other end of the rubber water stop 6 penetrates through the upper reinforcing steel plate 11 and the lower reinforcing steel plate 12 of the post-cast strip, the rubber water stop 6 is arranged between the two upper reinforcing steel plates 11, the two steel edges 7 are arranged at two ends of the long edge of the rubber water stop 6 and arranged at the joint of the upper fixing plate and the lower fixing plate, the steel edge 7 and the rubber water stop 6 enable the post-cast strip to have better seepage-proofing effect.
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 post-cast strip prevention of seepage crack structure which characterized in that: the anti-cracking and anti-cracking structure comprises a cushion layer and a support frame, wherein the cushion layer is arranged on the peripheral wall of a post-pouring strip, the support frame is arranged between two side walls of the post-pouring strip, a reinforcing layer (1) is fixed on the support frame, the reinforcing layer (1) is provided with an anti-cracking structure for cracking the reinforcing layer (1), the reinforcing layer (1) is provided with a waterproof structure, and one end, far away from the reinforcing layer (1), of the waterproof structure is provided with a leveling layer (8).
2. The post-cast strip seepage-proofing and crack-resisting structure according to claim 1, characterized in that: the reinforcing layer (1) comprises a plurality of reinforcing plates, the reinforcing plates comprise a plurality of upper reinforcing steel plates (11) and a plurality of lower reinforcing steel plates (12), the lower reinforcing steel plates (12) are arranged at one ends, far away from the bottom wall of the post-cast strip, of the cushion layer, and the upper reinforcing steel plates (11) are arranged at one ends, far away from the cushion layer, of the lower reinforcing steel plates (12).
3. The post-cast strip seepage-proofing and crack-resisting structure according to claim 2, characterized in that: the waterproof structure comprises rubber water stops (6), and the rubber water stops (6) are arranged between the two upper reinforcing steel plates (11).
4. The post-cast strip seepage-proofing and crack-resisting structure according to claim 3, characterized in that: the two ends of the rubber water stop (6) are respectively provided with a steel edge (7) in a bonding mode, and the steel edges (7) are fixed between the upper reinforcing steel plate (11) and the lower reinforcing steel plate (12).
5. The post-cast strip seepage-proofing and crack-resisting structure according to claim 3, characterized in that: the waterproof layer is characterized in that the leveling layer (8) is arranged at one end, close to the waterproof layer, of the reinforcing layer (1), and the leveling layer (8) is formed by stirring cement mortar.
6. The post-cast strip seepage-proofing and crack-resisting structure according to claim 2, characterized in that: the anti-crack structure comprises a plurality of anti-crack reinforcing steel bars (5), the anti-crack reinforcing steel bars (5) are arranged on the side walls of the two ends of the post-cast strip, one ends of the anti-crack reinforcing steel bars (5) penetrate through the upper reinforcing steel plate (11) and the lower reinforcing steel plate (12), and the other ends of the anti-crack reinforcing steel bars (5) extend to the inner portions of the side walls of the post-cast strip.
7. The post-cast strip seepage-proofing and crack-resisting structure according to claim 6, wherein: the support frame includes reinforcing bar net (3), reinforcing bar net (3) set up in the both sides of post-cast strip, reinforcing bar net (3) set up along post-cast strip extending direction.
8. The post-cast strip seepage-proofing and crack-resisting structure according to claim 7, characterized in that: the cushion layer comprises a concrete body (4) poured between the reinforcing meshes (3), and the concrete body (4) is set to be concrete doped with a trace amount of expanding agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022738542.2U CN213979358U (en) | 2020-11-24 | 2020-11-24 | Post-cast strip seepage-proofing anti-cracking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022738542.2U CN213979358U (en) | 2020-11-24 | 2020-11-24 | Post-cast strip seepage-proofing anti-cracking structure |
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| Publication Number | Publication Date |
|---|---|
| CN213979358U true CN213979358U (en) | 2021-08-17 |
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| CN202022738542.2U Active CN213979358U (en) | 2020-11-24 | 2020-11-24 | Post-cast strip seepage-proofing anti-cracking structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116145977A (en) * | 2023-02-08 | 2023-05-23 | 中建八局西北建设有限公司 | Post-pouring strip reinforcing structure and construction method thereof |
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2020
- 2020-11-24 CN CN202022738542.2U patent/CN213979358U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116145977A (en) * | 2023-02-08 | 2023-05-23 | 中建八局西北建设有限公司 | Post-pouring strip reinforcing structure and construction method thereof |
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