CN220504193U - Garage roof subsides post-cast strip and seals structure in advance - Google Patents

Garage roof subsides post-cast strip and seals structure in advance Download PDF

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Publication number
CN220504193U
CN220504193U CN202322012536.2U CN202322012536U CN220504193U CN 220504193 U CN220504193 U CN 220504193U CN 202322012536 U CN202322012536 U CN 202322012536U CN 220504193 U CN220504193 U CN 220504193U
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pouring
waterproof layer
garage
post
waterproof
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CN202322012536.2U
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韩伟杰
高青松
骆宗然
董世光
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Beijing Urban Construction Sixth Group Co Ltd
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Beijing Urban Construction Sixth Group Co Ltd
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Abstract

The utility model discloses a garage top plate sedimentation post-pouring belt advanced sealing structure which comprises a garage top plate, a prefabricated cover plate, a pouring pipe and a waterproof layered structure; the garage top plate is provided with a post-pouring zone area, and the prefabricated cover plate is erected on the garage top plate and covers the post-pouring zone area; a pouring hole is formed in the middle of the prefabricated cover plate, and a cement mortar layer is arranged at an internal corner formed between two ends of the prefabricated cover plate and a garage top plate; the pouring pipe is inserted and arranged in the pouring hole, and a closed steel plate is arranged on the top surface of the pouring pipe; the waterproof layered structure comprises a first waterproof layer, a second waterproof layer, a third waterproof layer and a fourth waterproof layer; the top, the lower part and the outer side surface of the fourth waterproof layer of the pouring pipe are sleeved with metal hoops for reinforcement. The utility model solves the technical problems of improving the construction efficiency of each procedure and accelerating the construction progress while not affecting the different sedimentation rates of the main building and the garage.

Description

Garage roof subsides post-cast strip and seals structure in advance
Technical Field
The utility model relates to the technical field of post-pouring belt early closing, in particular to a post-pouring belt early closing structure for garage top plate settlement.
Background
In the construction process of building engineering, a residential building and an underground garage often adopt a communicated structural form, but the sedimentation rates of the garage and a main building are different, a sedimentation post-pouring belt is arranged between the main building and the garage in structural design, and the closing time is determined according to a sedimentation observation result after the main building structure is completed for one month. The traditional technology generally adopts the plank to temporarily seal the post-cast strip according to the design requirement, prevents rubbish, sewage and the like from entering the post-cast strip, and after the main body structure is completed for one month, the plank is disassembled again, and concrete is poured after cleaning to carry out the construction of the next procedure. By adopting the technology, the construction of the top plate backfill of the garage, the outdoor engineering backfill, the garden and municipal procedures before the sealing of the post-pouring zone of the basement is impossible, the work of basement decoration and electro-mechanical installation and the like cannot be carried out, and the extremely narrow condition of the site brings serious adverse effects to the whole construction period of the engineering.
Disclosure of Invention
The utility model aims to provide a garage roof settlement post-pouring belt advanced sealing structure, which aims to solve the technical problems of improving the construction efficiency of each procedure penetration and accelerating the construction progress while not affecting the different settlement rates of a main building and a garage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a garage top plate settlement post-pouring belt advanced sealing structure which comprises a garage top plate, a prefabricated cover plate, a pouring pipe and a waterproof layered structure; the garage top plate is provided with a post-pouring zone area, and the prefabricated cover plate is erected on the garage top plate and covers the post-pouring zone area; a pouring hole is formed in the middle of the prefabricated cover plate, a pouring pipe is inserted into the pouring hole, and a closed steel plate is arranged on the top surface of the pouring pipe; cement mortar layers are arranged at the internal corners formed by the two ends of the prefabricated cover plate and the garage top plate and at the joints of the pouring pipes and the pouring holes; the waterproof layered structure comprises a first waterproof layer, a second waterproof layer, a third waterproof layer and a fourth waterproof layer; one end of the first waterproof layer is arranged on the outer side surface of the pouring pipe, the upper part of the joint of the pouring pipe and the pouring hole, and the other end of the first waterproof layer extends to the upper end surface of the garage top plate; the second waterproof layer is paved on the upper end face of the first waterproof layer, and one end, close to the pouring pipe, of the second waterproof layer is arranged at the joint of the pouring pipe and the pouring hole; one end of the third waterproof layer is paved at the end part of the first waterproof layer, which is positioned on the outer side surface of the pouring pipe, and the other end of the third waterproof layer extends to the upper end surface of the second waterproof layer; the fourth waterproof layer is paved on the upper end face of the third waterproof layer, the outer side face and the top face of the pouring pipe; the top, the lower part and the outer side surface of the fourth waterproof layer of the pouring pipe are sleeved with metal hoops for reinforcement. Preferably, the first waterproof layer is a non-cured non-woven fabric reinforcing layer.
Preferably, the second waterproof layer adopts non-cured rubber asphalt waterproof paint.
Preferably, the third waterproof layer and the fourth waterproof layer are both made of SBS waterproof coiled materials.
Preferably, the lower end of the pouring pipe penetrates out of the pouring hole and is positioned in the post-pouring zone area.
Preferably, the pouring pipe is a steel pipe; the closed steel plate is circular, and the diameter of the closed steel plate is the same as the outer diameter of the pouring pipe.
Preferably, the closed steel plate is welded and fixed with the pouring pipe.
Preferably, the prefabricated cover plate is a reinforced concrete plate, and a single-layer reinforcing mesh is arranged inside the prefabricated cover plate.
Preferably, the post-cast strip region is filled with self-compacting concrete.
The beneficial effects of the utility model are as follows:
according to the pre-closing structure for the post-pouring belt for the garage roof settlement, provided by the utility model, a pouring pipe and a prefabricated cover plate are matched to replace a temporary wood plate to be used as a main body of the pre-closing structure for the post-pouring belt, the prefabricated cover plate and the garage roof are bonded and fixed through cement mortar, and the prefabricated cover plates are bonded and fixed through cement mortar, so that the whole structure is more stable.
2, according to the pre-closing structure of the garage top plate sedimentation post-pouring belt, the prefabricated cover plate and the pouring pipe are provided with the waterproof layered structure, and a plurality of layers of waterproof materials are paved at the internal corners of the prefabricated cover plate and the garage top plate and at the joints of the pouring pipe and the pouring holes, so that the waterproof effect is enhanced at the positions where leakage is easy to occur; the waterproof coiled material of the finished product is overlapped on the non-cured waterproof layer to form the interaction effect of the non-cured and cured materials so as to ensure the waterproof performance of the closed structure.
The metal hoops are arranged on the upper part and the lower part of the pouring pipe and the outer side face of the fourth waterproof layer, and the adhesive force of the fourth waterproof layer on the pouring pipe is enhanced through the physical fastening effect of the metal hoops, so that the waterproof performance of the sealing structure is further enhanced.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The primary object and other advantages of the utility model may be realized and attained by means of the instrumentalities and particularly pointed out in the specification.
Drawings
The utility model is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a side cross-sectional view of the present utility model.
Fig. 2 is an enlarged view of the joint of a casting tube and a casting hole according to the present utility model.
Reference numerals: the building comprises a 1-garage top plate, a 2-prefabricated cover plate, a 3-pouring pipe, a 4-waterproof layered structure, a 5-post-pouring zone area, 6-pouring holes, a 7-cement mortar layer, an 8-closed steel plate, 9-metal hoops, a 41-first waterproof layer, a 42-second waterproof layer, a 43-third waterproof layer and a 44-fourth waterproof layer.
Detailed Description
The following examples are given by way of illustration only and are not to be construed as limiting the scope of the utility model.
Referring to fig. 1, the utility model provides a garage top plate settlement post-pouring belt advanced sealing structure, which comprises a garage top plate 1, a prefabricated cover plate 2, a pouring pipe 3 and a waterproof layered structure 4; the garage top plate 1 is provided with a post-pouring zone area 5, the post-pouring zone area 5 is filled with self-compacting concrete, and the prefabricated cover plate 2 is erected on the garage top plate 1 and covers the post-pouring zone area 5; the prefabricated cover plate 2 is a reinforced concrete plate, and a single-layer reinforced net sheet is arranged inside the prefabricated cover plate 2; a pouring hole 6 is formed in the middle of the prefabricated cover plate 2, and cement mortar layers 7 are arranged at the internal corners formed by the two ends of the prefabricated cover plate 2 and the garage top plate 1 and at the joints between the pouring pipe 3 and the pouring hole 6; the pouring pipe 3 is a steel pipe, the pouring pipe 3 is inserted and arranged in the pouring hole 6, the lower end of the pouring pipe 3 penetrates out of the pouring hole 6 and is positioned in the post-pouring zone area 5, the top surface of the pouring pipe 3 is welded with a closed steel plate 8, the closed steel plate 8 is circular, and the diameter of the closed steel plate 8 is the same as the outer diameter of the pouring pipe 3;
the waterproof layered structure 4 includes a first waterproof layer 41, a second waterproof layer 42, a third waterproof layer 43, and a fourth waterproof layer 44; the first waterproof layer 41 is a non-cured non-woven fabric reinforcing layer, one end of the first waterproof layer 41 is arranged on the outer side surface of the pouring pipe 3, the upper part of a joint of the pouring pipe 3 and the pouring hole 6, and the other end extends to the upper end surface of the garage top plate 1; the second waterproof layer 42 is made of non-cured rubber asphalt waterproof paint, the second waterproof layer 42 is paved on the upper end face of the first waterproof layer 41, and one end, close to the pouring pipe 3, of the second waterproof layer 42 is arranged at the joint of the pouring pipe 3 and the pouring hole 6; the third waterproof layer 43 is made of an SBS waterproof coiled material, one end of the third waterproof layer 43 is paved at the end part of the first waterproof layer 41, which is positioned on the outer side surface of the pouring pipe 3, and the other end of the third waterproof layer extends to the upper end surface of the second waterproof layer 42; the fourth waterproof layer 44 is also made of SBS waterproof coiled materials, and the fourth waterproof layer 44 is paved on the upper end face of the third waterproof layer 43, the outer side face and the top face of the pouring pipe 3; the top and the lower part of the pouring tube 3 and the outer side face of the fourth waterproof layer 44 are sleeved with metal hoops 9 for reinforcement.
Further, in the present embodiment, the earth thickness of the garage top plate 1 is 1.75m, and the post-cast strip width is 0.8m. Through design stress calculation, the prefabricated cover plate 2 is designed into a one-way plate, a single-layer bidirectional reinforcing steel bar is arranged in the prefabricated cover plate, the main reinforcing steel bar is brave 14@300, the distribution reinforcing steel bar is brave 6@200, and the concrete strength is C30. The dimensions of the prefabricated cover plate 2 are 2m×1.2m×0.1m (length×width×thickness). Every 3 prefabricated cover plates 2 are reserved with a steel pipe pouring hole 6 (also used as an observation hole) with 125 mm; the prefabricated cover plate 2 can be installed after reaching the design strength; the prefabricated cover plates 2 are bonded with the garage top plate 1 by cement mortar, the prefabricated cover plates 2 are bonded by cement mortar, and the side edges of the prefabricated cover plates 2 are smeared with mortar after the installation is finished; the prefabricated cover plate 2 is tightly and firmly installed, and the non-sealing part is filled with fine stone concrete; after the concrete on two sides of the top plate 1 of the underground garage reaches 75% of design strength, the base layer is treated before the construction of the waterproof coiled material, and cold primer oil is coated; the prefabricated cover plate 2 is provided with more nodes, and the hidden leakage trouble is larger, so that the leakage problem is avoided in the later stage, and the prefabricated cover plate 2 is independently processed: adding a non-cured non-woven fabric reinforcing layer, and arranging two waterproof coiled materials on the upper part of the non-cured rubber asphalt waterproof coating; after the waterproof construction is finished, the construction of the waterproof protection layer should be performed in time, so that the waterproof damage caused by long-time exposure of the waterproof layer is avoided.
Further, in the embodiment, the post-cast strip concrete is self-compacting high-flow concrete, and the slump is controlled to be 250+/-20 mm. The slump loss from discharging to pouring (the time interval is about 1 hour) is not more than 20mm, and the concrete is not separated in layers; the cement adopts ordinary Portland cement; the sand is medium sand, the pebble grading meets the pumping requirement, and the grain diameter is controlled to be 5-16 mm; in order to reduce the water-cement ratio, a high-performance water reducing agent is added; in order to improve the workability of the concrete, fly ash and blast furnace slag powder are added; to compensate for the benefit of concrete shrinkage, the binding force between the concrete and the pipe wall is enhanced, and a wea expanding agent is added; the initial setting time of the concrete is 8 hours.
The foregoing is merely illustrative of preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any changes or substitutions that would occur to those skilled in the art within the scope of the present utility model are intended to be included in the scope of the present utility model.

Claims (9)

1. The utility model provides a garage roof subsides post-cast strip and seals structure in advance which characterized in that: the garage comprises a garage top plate (1), a prefabricated cover plate (2), a pouring pipe (3) and a waterproof layered structure (4);
a post-pouring zone (5) is arranged on the garage top plate (1), and a prefabricated cover plate (2) is erected on the garage top plate (1) and covers the post-pouring zone (5);
a pouring hole (6) is formed in the middle of the prefabricated cover plate (2), the pouring pipe (3) is inserted into the pouring hole (6), and a closed steel plate (8) is arranged on the top surface of the pouring pipe (3); cement mortar layers (7) are arranged at the internal corners formed by the two ends of the prefabricated cover plate (2) and the garage top plate (1) and at the joints of the pouring pipe (3) and the pouring hole (6);
the waterproof layered structure (4) comprises a first waterproof layer (41), a second waterproof layer (42), a third waterproof layer (43) and a fourth waterproof layer (44);
one end of the first waterproof layer (41) is arranged on the outer side surface of the pouring pipe (3) and the upper part of the joint of the pouring pipe (3) and the pouring hole (6), and the other end of the first waterproof layer extends to the upper end surface of the garage top plate (1);
the second waterproof layer (42) is paved on the upper end face of the first waterproof layer (41), and one end, close to the pouring pipe (3), of the second waterproof layer (42) is arranged at the joint of the pouring pipe (3) and the pouring hole (6);
one end of the third waterproof layer (43) is paved at the end part of the first waterproof layer (41) positioned on the outer side surface of the pouring pipe (3), and the other end of the third waterproof layer extends to the upper end surface of the second waterproof layer (42);
the fourth waterproof layer (44) is paved on the upper end face of the third waterproof layer (43), the outer side face and the top face of the pouring pipe (3);
the top and the lower part of the pouring pipe (3) and the outer side surface of the fourth waterproof layer (44) are sleeved with metal hoops (9) for reinforcement.
2. A garage roof settlement post-cast strip advanced closure structure as claimed in claim 1, wherein the first waterproof layer (41) is a non-cured non-woven fabric reinforcing layer.
3. A garage roof settlement post-cast strip advanced closure structure as claimed in claim 2, wherein the second waterproof layer (42) is a non-cured rubber asphalt waterproof paint.
4. A garage roof settlement post-pouring strip advanced closing structure as claimed in claim 3, wherein the third waterproof layer (43) and the fourth waterproof layer (44) are both SBS waterproof coiled materials.
5. The garage roof settlement post-pouring strip advanced sealing structure according to claim 1, wherein the lower end of the pouring tube (3) penetrates out of the pouring hole (6) and is positioned in the post-pouring strip area (5).
6. The garage roof settlement post-pouring strip advanced sealing structure according to claim 1, wherein the pouring pipe (3) is a steel pipe; the sealing steel plate (8) is round, and the diameter of the sealing steel plate (8) is the same as the outer diameter of the pouring pipe (3).
7. The garage roof settlement post-pouring strip advanced sealing structure according to claim 6, wherein the sealing steel plate (8) is welded and fixed with the pouring pipe (3).
8. The garage roof settlement post-pouring strip advanced sealing structure according to claim 1, wherein the prefabricated cover plate (2) is a reinforced concrete plate, and a single-layer reinforced mesh is arranged inside the prefabricated cover plate (2).
9. A garage roof settlement post-cast strip early closure structure as claimed in claim 1, wherein the post-cast strip region (5) is filled with self-compacting concrete.
CN202322012536.2U 2023-07-28 2023-07-28 Garage roof subsides post-cast strip and seals structure in advance Active CN220504193U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322012536.2U CN220504193U (en) 2023-07-28 2023-07-28 Garage roof subsides post-cast strip and seals structure in advance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322012536.2U CN220504193U (en) 2023-07-28 2023-07-28 Garage roof subsides post-cast strip and seals structure in advance

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116378230A (en) * 2023-05-18 2023-07-04 中建八局第三建设有限公司 A design and construction method of advanced water-stopping for post-cast strips on garage roofs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116378230A (en) * 2023-05-18 2023-07-04 中建八局第三建设有限公司 A design and construction method of advanced water-stopping for post-cast strips on garage roofs

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