CN214784228U - Prefabricated plate advanced closing structure of outer wall post-cast strip - Google Patents
Prefabricated plate advanced closing structure of outer wall post-cast strip Download PDFInfo
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- CN214784228U CN214784228U CN202121506936.3U CN202121506936U CN214784228U CN 214784228 U CN214784228 U CN 214784228U CN 202121506936 U CN202121506936 U CN 202121506936U CN 214784228 U CN214784228 U CN 214784228U
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Abstract
The utility model discloses an outer wall post-cast strip prefabricated plate enclosed construction in advance, include: the prefabricated plugging plate is positioned on the outer side face of the outer wall post-pouring belt, the left side and the right side of the inner side face of the prefabricated plugging plate are respectively positioned on the outer side faces of outer walls on two sides of the outer wall post-pouring belt, and the prefabricated plugging plate comprises a rectangular concrete plate. The utility model discloses the prefabricated shutoff board of accessible, the stupefied and to drawing screw rod subassembly's cooperation of two steel pipe backs of the body comes the gap shutoff of outer wall post-cast strip lateral surface, thereby make things convenient for basement outer wall waterproof, going on of protective layer and follow-up foundation ditch backfill construction, very big degree has shortened basement outer wall post-cast strip confined latency, can guarantee that basement structure outer wall accomplishes the closure the very first time after possessing waterproof construction conditions, the material lease expense during the post-cast strip closure of having reduced the waiting, the basement seal time has been accelerated, the progress of foundation ditch backfill has been accelerated.
Description
Technical Field
The utility model belongs to the technical field of the construction, especially, relate to an outer wall post-cast strip prefabricated plate enclosed construction in advance.
Background
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 the building construction. The post-cast strip temporarily divides the structure into a plurality of parts, the construction joint concrete is cast and tamped after a plurality of time after the internal contraction of the member, and the structure is connected into an integral zone. When the temperature is lower, the casting time of the post-cast strip is preferably selected, the casting cement or the concrete mixed with trace aluminum powder in the cement can be used, the strength grade of the casting cement or the concrete mixed with trace aluminum powder in the cement is higher than that of the member by one grade, and cracks between the new concrete and the old concrete are prevented from forming weak parts. The position of the post-cast strip is set by considering different consumption factors of measures such as a template and the like.
At present, in the building engineering, in order to meet the functional requirements and solve the problems of differential settlement between a high-rise main body and a skirt room, shrinkage deformation of reinforced concrete, temperature stress of concrete and the like, a post-cast strip method is widely applied to the building engineering.
However, in the conventional method for the post-cast strip of the outer wall, the compensation shrinkage concrete with the strength grade higher than that of the original design is used for casting after other concrete is cast for at least 45 days, and the sealing time is too long, so that the water resistance of the outer wall and the backfill of the foundation pit are affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an outer wall post-cast strip prefabricated plate enclosed construction in advance to solve conventional outer wall post-cast strip way, need treat that other concrete placement finishes with the compensation shrinkage concrete placement than the former high one-level intensity grade of design after 45 at least days, wait for the seal time overlength, lead to outer wall waterproof and the foundation ditch backfill all can receive the technical problem of influence.
The utility model provides an above-mentioned technical problem's technical scheme as follows: an advanced sealing structure for an external wall post-cast strip precast slab comprises an external wall post-cast strip and a precast plugging plate, wherein the precast plugging plate is positioned on the outer side surface of the external wall post-cast strip, the left side and the right side of the inner side surface of the precast plugging plate are respectively positioned on the outer side surfaces of the external walls on the two sides of the external wall post-cast strip, the precast plugging plate comprises a rectangular concrete plate, hanging rings are symmetrically embedded at the upper ends of the left side and the right side of the rectangular concrete plate, two rows of embedded limit sleeves are embedded on the surface of the rectangular concrete plate, the distance between the two rows of embedded limit sleeves is smaller than the width of the external wall post-cast strip, a connecting groove is arranged at the upper end of the rectangular concrete plate, a connecting lug is arranged at the lower end of the rectangular concrete plate, the size of the inner side of the connecting groove is matched with the size of the outer surface of the connecting lug, a double steel pipe back ridge is arranged on the inner side surface of the external wall post-cast strip, and the left and right ends of the double steel pipe back ridge are respectively positioned on the inner side surfaces of the external wall post-cast strip on the two sides of the external wall, and a split screw assembly is connected between the double steel pipe back edges and the prefabricated plugging plates in the gap of the post-cast strip of the outer wall, waterproof mortar is coated on the outer side surfaces of the outer walls on the two sides of the post-cast strip of the outer wall and the outer side surfaces of the prefabricated plugging plates, and waterproof coiled materials are laid on the outer side surfaces of the waterproof mortar.
The utility model adopts the above be used for outer wall post-cast strip prefabricated plate enclosed construction in advance, further: the double-layer bidirectional steel part cage is arranged in the rectangular concrete slab, and the hanging ring is fixedly connected with the double-layer bidirectional steel part cage in the rectangular concrete slab through the binding wires.
The utility model adopts the above be used for outer wall post-cast strip prefabricated plate enclosed construction in advance, further: the embedded limiting sleeve comprises a sleeve and a nut sleeve, one end of the sleeve is communicated with one end of the nut sleeve, and a reinforcing aid is arranged between the sleeve and the nut sleeve.
The utility model adopts the above be used for outer wall post-cast strip prefabricated plate enclosed construction in advance, further: one end of the sleeve far away from the nut sleeve is flush with the inner side face of the rectangular concrete slab, and one end of the nut sleeve far away from the sleeve is flush with the outer side face of the rectangular concrete slab.
The utility model adopts the above be used for outer wall post-cast strip prefabricated plate enclosed construction in advance, further: the split screw assembly comprises a screw, a pot head of the outer surface of the screw is provided with a first nut, the other pot head of the outer surface of the screw is provided with a second nut, a butterfly card is sleeved at one end, close to the first nut, of the outer surface of the screw, a U-shaped groove is formed in one end, close to the second nut, of the outer surface of the screw, the inner side of the U-shaped groove is connected with an ear plate in a rotating mode through a rotating shaft, and one end of the ear plate, far away from the U-shaped groove, is fixedly connected with a rotation assisting column.
The utility model adopts the above be used for outer wall post-cast strip prefabricated plate enclosed construction in advance, further: the size of the outer surface of the first nut is matched with the size of the inner side of the nut sleeve, and the maximum diameter of the screw is smaller than the diameter of the inner side of the sleeve.
The utility model adopts the above be used for outer wall post-cast strip prefabricated plate enclosed construction in advance, further: one end of the screw is fixedly connected with the pre-buried limiting sleeve on the prefabricated plugging plate through the first nut, and the other end of the screw is fixedly connected with the double-steel-pipe back edge through the second nut and the butterfly clamp.
The utility model adopts the above be used for outer wall post-cast strip prefabricated plate enclosed construction in advance, further: the diameter of the rotation-assisting column is smaller than the minimum diameter of the screw.
The utility model has the advantages that:
1. the utility model discloses the prefabricated shutoff board of accessible, the stupefied and to drawing screw rod subassembly's cooperation of two steel pipe backs of the body comes the gap shutoff of outer wall post-cast strip lateral surface, thereby make things convenient for basement outer wall waterproof, going on of protective layer and follow-up foundation ditch backfill construction, very big degree has shortened basement outer wall post-cast strip confined latency, can guarantee that basement structure outer wall accomplishes the closure the very first time after possessing waterproof construction conditions, the material lease expense during the post-cast strip closure of having reduced the waiting, the basement seal time has been accelerated, the progress of foundation ditch backfill has been accelerated.
2. The utility model discloses well prefabricated shutoff board's industrialization degree is high, can process the preparation in advance and practiced thrift the time limit for a project, processes simple to operate, and materials and arrangement of reinforcement are on-the-spot waste material, and bigger degree has improved economic benefits, and the contribution is huge in the aspect of improving quality control and on-the-spot waste material reutilization, responds assembled, the requirement of green construction that the country advocated, just the utility model discloses the two steel pipes that well set up are stupefied on the back and to drawing screw rod subassembly later stage detachable, can and then repetitious use, greatly reduced construction cost.
Drawings
The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only and not by way of limitation, wherein:
FIG. 1 is a schematic side view of an advanced closing structure of an external wall post-cast strip precast slab of an embodiment;
FIG. 2 is a schematic top view of an embodiment of an advanced closing structure of an outer wall post-cast strip precast slab;
fig. 3 is a schematic view of a front view structure of a prefabricated plugging plate according to an embodiment of the present invention;
fig. 4 is a schematic side view of a prefabricated plugging plate according to an embodiment of the present invention;
fig. 5 is a schematic view of a three-dimensional structure of a pre-embedded position-limiting sleeve according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a split screw assembly according to an embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. post-pouring a belt on the outer wall; 2. prefabricating a plugging plate; 21. a rectangular concrete slab; 22. a double-layer bidirectional steel cage; 23. a hoisting ring; 24. pre-burying a limiting sleeve; 241. a sleeve; 242. a nut sleeve; 243. strengthening and assisting; 25. a connecting groove; 26. a connection bump; 3. back corrugation of the double steel pipes; 4. a split screw assembly; 41. a screw; 42. a first nut; 43. a second nut; 44. a butterfly card; 45. a U-shaped groove; 46. a rotating shaft; 47. an ear plate; 48. a rotation-assisted column; 5. waterproof mortar; 6. a waterproof roll.
Detailed Description
Hereinafter, embodiments of the advanced closing structure of the outer wall post-cast strip precast slab of the present invention will be described with reference to the accompanying drawings.
The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. It should be noted that for the sake of clarity in showing the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
Fig. 1-6 show that the utility model discloses an outer wall post-cast strip prefabricated plate closure structure in advance of embodiment, it includes: the outer wall post-cast strip 1 and the prefabricated plugging plate 2, the prefabricated plugging plate 2 is located on the outer side surface of the outer wall post-cast strip 1, the left side and the right side of the inner side surface of the prefabricated plugging plate 2 are respectively located on the outer side surfaces of the outer walls on the two sides of the outer wall post-cast strip 1, the prefabricated plugging plate 2 comprises a rectangular concrete plate 21, hanging rings 23 are symmetrically embedded at the upper ends of the left side and the right side of the rectangular concrete plate 21, a double-layer bidirectional steel part cage 22 is arranged in the rectangular concrete plate 21, the hanging rings 23 are fixedly connected with the double-layer bidirectional steel part cage 22 in the rectangular concrete plate 21 through binding wires, two rows of embedded limiting sleeves 24 are embedded on the surface of the rectangular concrete plate 21, the distance between the two rows of embedded limiting sleeves 24 is smaller than the width of the outer wall post-cast strip 1, each embedded limiting sleeve 24 comprises a sleeve 241 and a nut sleeve 242, one end of the sleeve 241 is communicated with one end of the nut sleeve 242, and a reinforcing aid 243 is arranged between the sleeve 241 and the nut sleeve 242, further, one end of the sleeve 241 far away from the nut sleeve 242 is flush with the inner side of the rectangular concrete slab 21, one end of the nut sleeve 242 far away from the sleeve 241 is flush with the outer side of the rectangular concrete slab 21, the upper end of the rectangular concrete slab 21 is provided with a connecting groove 25, the lower end of the rectangular concrete slab 21 is provided with a connecting bump 26, the inner side of the connecting groove 25 is matched with the outer surface of the connecting bump 26 in size, the inner side of the outer wall post-cast strip 1 is provided with a double-steel-pipe back ridge 3, the left end and the right end of the double-steel-pipe back ridge 3 are respectively located on the inner sides of the outer walls on the two sides of the outer wall post-cast strip 1, a counter-pulling screw assembly 4 is connected between the double-steel-pipe back ridge 3 and the prefabricated plugging plate 2 in a gap of the outer wall post-cast strip 1, the counter-pulling screw assembly 4 comprises a screw rod 41, one end of the outer surface of the screw rod 41 is sleeved with a first nut 42, specifically, the outer surface of the first nut 42 is matched with the inner side of the nut sleeve 242 in size, the maximum diameter of the screw rod 41 is smaller than the diameter of the inner side of the sleeve 241, the other end of the outer surface of the screw rod 41 is sleeved with a second nut 43, a butterfly clip 44 is sleeved at one end, close to the first nut 42, of the second nut 43, a U-shaped groove 45 is formed in one end, close to the second nut 43, of the outer surface of the screw rod 41, the inner side of the U-shaped groove 45 is rotatably connected with an ear plate 47 through a rotating shaft 46, a rotation assisting column 48 is fixedly connected to one end, far away from the U-shaped groove 45, of the ear plate 47, the diameter of the rotation assisting column 48 is smaller than the minimum diameter of the screw rod 41, the screw rod 41 can be conveniently rotated when the rotation assisting column 48 and the screw rod 41 are bent at 90 degrees through the arrangement of the rotation assisting column 48, the second nut 43 and the butterfly clip 44 can be conveniently sleeved on the screw rod 41 when the rotation assisting column 48 and the screw rod 41 are in the same direction, and further, one end of the screw rod 41 is fixedly connected with the pre-buried limiting sleeve 24 on the prefabricated plugging plate 2 through the first nut 42, and the other end of the screw rod 41 is fixedly connected with the double-steel-pipe back edge 3 through a second nut 43 and a butterfly clamp 44, waterproof mortar 5 is coated on the outer side surfaces of the outer walls on the two sides of the outer wall post-cast strip 1 and the outer side surface of the prefabricated plugging plate 2, and a waterproof coiled material 6 is laid on the outer side surface of the waterproof mortar 5.
The working principle is as follows:
when the utility model is used, a corresponding number of prefabricated plugging plates 2 are hoisted to the outer side surface gap of the outer wall post-pouring belt 1 according to the height of the outer wall post-pouring belt 1, the upper and lower adjacent prefabricated plugging plates 2 are connected through the connecting grooves 25 and the connecting bumps 26, then the prefabricated plugging plates 2 and the outer walls on the two sides of the outer wall post-pouring belt 1 are fixed through the matching of the counter-pulling screw rod components 4 and the double-steel-pipe back arris 3 (the concrete process is that the first nuts 42 in the counter-pulling screw rod components 4 are embedded into the nut sleeves 242 on the prefabricated plugging plates 2, one ends of the screw rods 41 far away from the rotation-assisting columns 48 are passed through the sleeves 241 and screwed into the holes of the first nuts 42, and then the second nuts 43 are screwed so that the double-steel-pipe back arris 3 tightly clamp the inner side surfaces of the outer walls on the two sides of the outer wall post-pouring belt 1, thereby realizing the fixation of the prefabricated plugging plates 2 and the outer walls on the two sides of the outer wall post-pouring belt 1), thus the outer wall gaps of the outer wall post-pouring belt 1 can be plugged, and then, one side of waterproof mortar 5 is coated on the outer side surfaces of the prefabricated plugging plate 2 and the outer wall, then basement outer wall waterproofing, a protective layer and subsequent foundation pit backfilling construction are carried out, and finally the double-steel-pipe back edge 3 and the counter-pulling screw rod assembly 4 can be detached (the concrete process is that the rotation assisting column 48 is rotated to form an included angle of 90 degrees with the screw rod 41, the screw rod 41 is rotated through the rotation assisting column 48, the screw rod 41 is rotated to form the first nut 42, and therefore the double-steel-pipe back edge 3 and the counter-pulling screw rod assembly 4 are detached) so as to be used in the next turnover mode.
To sum up, the utility model discloses the gap that can come to the outer wall post-cast strip 1 lateral surface of accessible prefabrication shutoff board 2, two steel pipe back arriss 3 and the cooperation of split screw rod subassembly 4 is plugged up to make things convenient for basement outer wall waterproofing, protective layer and follow-up foundation ditch to backfill the construction to go on, has greatly shortened the latency that basement outer wall post-cast strip 1 seals, can guarantee that basement structure outer wall accomplishes to seal in the very first time after possessing waterproof construction condition, has reduced the material lease expense during waiting for the post-cast strip to seal, has accelerated basement seal time, has accelerated the progress of foundation ditch backfill; the utility model discloses well prefabricated closure plate 2's industrialization degree is high, can process the preparation in advance and practiced thrift the time limit for a project, processes simple to operate, and materials and arrangement of reinforcement are on-the-spot waste material, and bigger degree has improved economic benefits, and the contribution is huge in the aspect of improving quality control and on-the-spot waste material reutilization, responds assembled, the requirement of green construction that the country advocated, just the utility model discloses the stupefied 3 of two steel pipe back of the body and to drawing 4 later stages of screw rod subassembly detachably of well setting can and then repetitious use, greatly reduced construction cost.
The technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the invention to achieve the aim of the invention.
Claims (8)
1. The utility model provides an outer wall post-cast strip prefabricated plate enclosed construction in advance which characterized in that includes: the outer wall post-cast strip (1) and the prefabricated plugging plate (2), the prefabricated plugging plate (2) is located on the outer side surface of the outer wall post-cast strip (1), the left side and the right side of the inner side surface of the prefabricated plugging plate (2) are respectively located on the outer side surfaces of the outer walls on the two sides of the outer wall post-cast strip (1), the prefabricated plugging plate (2) comprises a rectangular concrete plate (21), hanging rings (23) are symmetrically embedded in the upper ends of the left side and the right side of the rectangular concrete plate (21), two rows of embedded limiting sleeves (24) are embedded in the surface of the rectangular concrete plate (21), the distance between the two rows of embedded limiting sleeves (24) is smaller than the width of the outer wall post-cast strip (1), a connecting groove (25) is arranged at the upper end of the rectangular concrete plate (21), a connecting lug (26) is arranged at the lower end of the rectangular concrete plate (21), and the inner side size of the connecting groove (25) is matched with the outer surface size of the connecting lug (26), the utility model discloses a waterproof roll, including outer wall post-cast strip (1), two steel pipe back arriss (3) are provided with to outer wall post-cast strip (1) medial surface, and the stupefied (3) of two steel pipe back both ends of the body are located the medial surface of outer wall post-cast strip (1) both sides outer wall respectively about stupefied (3), it has to drawing screw assembly (4) to connect in outer wall post-cast strip (1) gap between stupefied (3) of two steel pipe back and prefabricated closure plate (2), the lateral surface of outer wall post-cast strip (1) both sides outer wall all scribbles and is equipped with waterproof mortar (5) with the lateral surface of prefabricated closure plate (2), and waterproof roll (6) have been laid to waterproof mortar (5) lateral surface.
2. The early closing structure of the precast slab of the post-cast strip of the external wall as claimed in claim 1, wherein a double-layer bidirectional steel cage (22) is arranged in the rectangular concrete slab (21), and the lifting ring (23) is fixedly connected with the double-layer bidirectional steel cage (22) in the rectangular concrete slab (21) through a binding wire.
3. The early closing structure of the precast slab of the post-cast strip of the external wall as claimed in claim 1, wherein the pre-embedded limiting sleeve (24) comprises a sleeve (241) and a nut sleeve (242), one end of the sleeve (241) is communicated with one end of the nut sleeve (242), and a reinforcing aid (243) is arranged between the sleeve (241) and the nut sleeve (242).
4. The early closing structure of the precast slab of the post-cast strip of the external wall as claimed in claim 3, wherein one end of the sleeve (241) far away from the nut bushing (242) is flush with the inner side of the rectangular concrete slab (21), and one end of the nut bushing (242) far away from the sleeve (241) is flush with the outer side of the rectangular concrete slab (21).
5. The advanced closing structure of the precast slab of the post-cast strip of the outer wall as claimed in claim 1, wherein the counter-pulling screw assembly (4) comprises a screw (41), one end of the outer surface of the screw (41) is sleeved with a first nut (42), the other end of the outer surface of the screw (41) is sleeved with a second nut (43), a butterfly clip (44) is sleeved on one end, close to the first nut (42), of the outer surface of the screw (41), a U-shaped groove (45) is formed in one end, close to the second nut (43), of the second nut (43), the inner side of the U-shaped groove (45) is rotatably connected with an ear plate (47) through a rotating shaft (46), and one end, far away from the U-shaped groove (45), of the ear plate (47) is fixedly connected with a rotation assisting column (48).
6. The advanced closing structure of the precast slab of the post-cast strip of the external wall as claimed in claim 5, wherein the size of the outer surface of the first nut (42) is matched with the size of the inner side of the nut sleeve (242), and the maximum diameter of the screw rod (41) is smaller than the diameter of the inner side of the sleeve (241).
7. The advanced closing structure of the precast slab of the post-cast strip of the external wall as claimed in claim 5, wherein one end of the screw rod (41) is fixedly connected with the pre-embedded limiting sleeve (24) on the precast blocking plate (2) through a first nut (42), and the other end of the screw rod (41) is fixedly connected with the double steel pipe back edge (3) through a second nut (43) and a butterfly clamp (44).
8. An early closing structure of an exterior wall post-cast strip precast slab according to claim 5, characterized in that the diameter of the rotation-assisting column (48) is smaller than the minimum diameter of the screw rod (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121506936.3U CN214784228U (en) | 2021-07-05 | 2021-07-05 | Prefabricated plate advanced closing structure of outer wall post-cast strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121506936.3U CN214784228U (en) | 2021-07-05 | 2021-07-05 | Prefabricated plate advanced closing structure of outer wall post-cast strip |
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| CN214784228U true CN214784228U (en) | 2021-11-19 |
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| CN202121506936.3U Active CN214784228U (en) | 2021-07-05 | 2021-07-05 | Prefabricated plate advanced closing structure of outer wall post-cast strip |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059597A (en) * | 2022-01-06 | 2022-02-18 | 中国建筑一局(集团)有限公司 | Construction method of post-cast strip pre-closed basement waterproof structure |
| CN115012453A (en) * | 2022-07-07 | 2022-09-06 | 中冶天工集团有限公司 | Basement outer wall post-cast strip advanced plugging device and using method thereof |
-
2021
- 2021-07-05 CN CN202121506936.3U patent/CN214784228U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059597A (en) * | 2022-01-06 | 2022-02-18 | 中国建筑一局(集团)有限公司 | Construction method of post-cast strip pre-closed basement waterproof structure |
| CN115012453A (en) * | 2022-07-07 | 2022-09-06 | 中冶天工集团有限公司 | Basement outer wall post-cast strip advanced plugging device and using method thereof |
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