CN211948581U

CN211948581U - Pre-closed waterproof post-cast strip structure

Info

Publication number: CN211948581U
Application number: CN202020370682.6U
Authority: CN
Inventors: 陆春华; 孔斌峰; 陈磊; 徐文希
Original assignee: Tus-Design Group Co ltd
Current assignee: Tus-Design Group Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-11-17
Anticipated expiration: 2030-03-23

Abstract

The utility model provides a pre-closed waterproof post-cast strip structure relates to a post-cast strip structure, including earlier cast strip (12) and post-cast strip (9), there is post-cast strip (9) between earlier cast strip (12), leaves the turn-ups in post-cast strip (9) upper portion both sides, post-cast strip (9) upper portion both sides turn-ups form buttress head A (5) and buttress head B (10) respectively, be equipped with apron (3) above post-cast strip (9), set up recess (8) in apron (3) lower part, buttress head A (5) and buttress head B (10) anchor respectively in apex angle (4) of apron (3) lower part recess (8); the utility model discloses through increasing prefabricated apron, guarantee not influencing under the prerequisite of watering after the post-cast strip on structural design, can carry out processes such as next earthing, afforestation earlier to reach and shorten the whole construction cycle of basement and even the construction cycle of whole project, the save time cost improves the whole economic nature of engineering.

Description

Pre-closed waterproof post-cast strip structure

Technical Field

The utility model mainly relates to the technical field of post-cast strip, in particular to a pre-closed waterproof post-cast strip structure.

Background

In the field of building construction engineering, a post-cast strip is a temporary construction joint which is reserved at a corresponding position of a foundation slab, a wall, a beam and the like where concrete is firstly poured in order to prevent a cast-in-place reinforced concrete structure from generating harmful cracks due to nonuniform self shrinkage or nonuniform settlement, and concrete needs to be poured into the construction joint after a period of time.

At present, in the sealing construction of the telescopic post-cast strip of the large-scale ground reservoir, the construction is carried out after the age of concrete on two sides of the post-cast strip reaches 60-90 days in the traditional method, and for the post-cast strip which is settled, the construction is carried out after the main body of the high-rise structure is capped and the settlement is stable, and then the construction of working procedures such as roof covering, greening, municipal administration and the like can be carried out. According to the method, the pouring can be carried out after the stretching deformation, the settling deformation and the like of the top plate of the ground reservoir are basically finished, so that the time consumption is long, the construction period is long and the efficiency is low in the current time with emphasis on time cost.

Fig. 1 shows a conventional post-cast strip construction method, i.e. an additional waterproof layer is laid above a post-cast strip 9, a waterproof layer 14 covering the post-cast strip 9 and a pre-cast strip 12 is laid above the additional waterproof layer, a basement roof is exposed for a long time, and construction of later roof earthing, greening, municipal administration and other processes cannot be performed, and the traditional laid waterproof layer cannot block water flowing from gaps and is easy to leak.

Disclosure of Invention

The utility model discloses an overcome not enough in the background art and provide a seal waterproof post-cast strip structure in advance, through increasing prefabricated apron on structural design, guarantee not influencing under the prerequisite of post-cast strip post-cast, can carry out processes such as next earthing, afforestation earlier to reach and shorten the whole construction cycle of basement and even whole project, the save time cost improves the whole economic nature of engineering.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a pre-closed waterproof post-cast strip structure, includes earlier cast strip and post-cast strip, has the post-cast strip between earlier cast strip, leaves the turn-ups in post-cast strip upper portion both sides, the turn-ups in post-cast strip upper portion both sides form buttress head A and buttress head B respectively, be equipped with the apron in post-cast strip top, set up the recess in the apron lower part, buttress head A and buttress head B anchor respectively in the apex angle of apron lower part recess, leave the preformed hole on the apron upper surface.

The pre-closed waterproof post-cast strip structure is characterized in that the cover plate is of a trapezoidal structure, and a concave groove is formed in the middle of the lower surface of the cover plate.

The pre-closed waterproof post-cast strip structure is characterized in that the height of the groove is the same as that of the stacking head A and the stacking head B.

The pre-closed waterproof post-cast strip structure is characterized in that a slope A and a slope B are respectively formed on two side surfaces of a cover plate, a waterproof layer is laid on the outer surface of the cover plate, and corner folding treatment is performed on waterproof coiled materials laid at corners where the slope A and the slope B are connected with a water-facing surface.

The pre-closed waterproof post-cast strip structure is characterized in that steel plate water stops are arranged in the middle of the joints of the post-cast strip and the first-cast strips on the two sides respectively.

The pre-closed waterproof post-cast strip structure is characterized in that a grouting pipe is inserted into the reserved hole.

The diameter of the grouting pipe is more than or equal to 100mm, or 1.5 times of the maximum diameter of the coarse aggregate; the height of the grouting pipe is 80-150mm higher than the soil covering surface, and the lower end of the grouting pipe extends into the post-cast strip by 80-120 mm.

The pre-closed waterproof post-cast strip structure is characterized in that one grouting pipe is arranged every 3m, and the grouting pipes are arranged in the cover plate in the middle.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a pre-closed waterproof post-cast strip structure is through setting up prefabricated apron at the upper portion of post-cast strip, prefabricated apron card is established on the turn-ups of post-cast strip both sides, plays the effect of covering the protection to the post-cast strip, and the pile head A and the pile head B of turn-ups of both sides still play the waterproof effect of construction process roof, reserves the preformed hole of post-cast on prefabricated apron simultaneously, the utility model discloses under the prerequisite of guaranteeing post-cast strip regular seal construction, make things convenient for the advance construction of processes such as basement roof earthing, afforestation, municipal administration; the utility model discloses neither influence the effect of post-cast strip, also guaranteed the waterproof problem of work progress roof, made things convenient for the construction of processes such as later stage roof earthing, afforestation, municipal administration, avoided the basement roof to expose for a long time.

The utility model discloses according to the flexible post-cast strip need the flexible characteristics that can pour after accomplishing of ground storehouse roof, through increasing prefabricated apron on structural design, guarantee with a relatively simple method under the prerequisite of watering after not influencing the post-cast strip, can carry out processes such as next earthing, afforestation earlier for the complicated problem is simplified, in order to reach the construction cycle who shortens the whole construction cycle of ground storehouse and even whole project, the save time cost improves the whole economic nature of engineering.

Compared with the prior art, the utility model discloses a pre-closed waterproof post-cast strip structure shortens the whole construction cycle of basement and even the construction cycle of whole project in the aspect of economic value, saves time cost, provides the whole economic nature of engineering; in the aspect of environmental protection, the dust on the site of a construction site is reduced, which is beneficial to environmental protection and is convenient for implementing garden construction; in the aspect of social benefit, the factory fabricated prefabricated parts are adopted, the field cast-in-place workload is reduced, and the working environment of workers is improved.

Drawings

FIG. 1 is a schematic structural view of a conventional post-cast strip construction;

FIG. 2 is a structural diagram of the post-cast strip of the present invention;

FIG. 3 is a schematic diagram of the post-cast strip structure of the present invention;

FIG. 4 is a schematic diagram of the structure of the post-cast strip cover plate of the present invention;

in the figure: 1-corner, 2-slope A, 3-cover plate, 4-vertex angle, 5-buttress head A, 6-preformed hole, 7-grouting pipe, 8-groove, 9-post-cast strip, 10-buttress head B, 11-slope B, 12-first-cast strip, 13-upstream surface, 14-waterproof layer, 15-additional waterproof layer, 16-plate reinforcement and 17-steel plate water stop strip.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

An embodiment, please refer to fig. 2-4, a pre-closed waterproof post-cast strip structure comprises a first-cast strip 12 and a second-cast strip 9, wherein a plate reinforcement 16 is arranged inside the first-cast strip 12, the second-cast strip 9 is arranged between the first-cast strips 12, flanges are reserved on two sides of the upper portion of the second-cast strip 9, the flanges on two sides of the upper portion of the second-cast strip 9 respectively form a stacking head A5 and a stacking head B10, a cover plate 3 is arranged above the second-cast strip 9, a groove 8 is formed in the lower portion of the cover plate 3, the stacking head A5 and the stacking head B10 are respectively anchored into a top corner 4 of the groove 8 in the lower portion of the cover plate 3, and a reserved hole 6 is reserved.

In the embodiment, referring to fig. 2-4, the cover plate 3 is in a trapezoidal structure, so that the long side of the lower portion of the cover plate 3 is larger than the width of the post-cast strip 9, the post-cast strip 9 is well covered and protected, meanwhile, due to the trapezoidal structure design, materials can be saved, the concave groove 8 is formed in the middle of the lower surface of the cover plate 3, and the cover plate 3 is bilaterally symmetrical and keeps the middle part covered above the post-cast strip 9.

In the embodiment, referring to fig. 2-3, the height of the groove 8 is the same as the height of the stacking head A5 and the stacking head B10, the stacking head A5 and the stacking head B10 are arranged at two sides of the upper part of the post-cast strip 9 in a flanging mode, water leakage and water infiltration can be prevented, the stacking head A5 and the stacking head B10 play a role in blocking, the height of the stacking head A5 and the stacking head B10 is the same as the height of the groove 8 of the cover plate 3, the cover plate 3 is fastened and clamped above the post-cast strip 9, and the cover plate 3 is prevented from moving and dislocating.

In the embodiment, referring to fig. 2 to 4, two side surfaces of the cover plate 3 are respectively formed with a slope a2 and a slope B11, the waterproof layer 14 is laid on the outer surface of the cover plate 3, the waterproof roll material laid at the corner 1 where the slope a2 and the slope B11 are connected with the upstream surface 13 is subjected to corner folding treatment, and the waterproof roll material at the corner 1 is subjected to corner folding treatment to prevent water from infiltrating.

In the embodiment, referring to fig. 2, steel plate water stops 17 are respectively disposed in the middle of the joints between the post-cast strip 9 and the first-cast strips 12 on the two sides, and the steel plate water stops 17 can further prevent water from entering.

In the embodiment, referring to fig. 2, a grouting pipe 7 is inserted into the preformed hole 6, and the diameter of the grouting pipe 7 is greater than or equal to 100mm, or 1.5 times of the maximum diameter of the coarse aggregate, and the two are selected as the larger value when selecting; the height of the grouting pipe 7 is 80-150mm higher than the soil covering surface, and the lower end of the grouting pipe 7 extends into the post-cast strip by 80-120mm, so that the grouting pipe 7 is ensured to be stably inserted into the post-cast strip 9.

In the embodiment, referring to fig. 2 to 4, the grouting pipes 7 are arranged every 3m, and the grouting pipes 7 are centrally arranged in the cover plate 3, so that the grouting pipes 7 can uniformly and dispersedly fill the post-cast strip 9 during the later grouting process to the post-cast strip 9.

The utility model discloses a when the concrete construction of pre-closed waterproof post-cast strip structure is used, apron 3 adopts concrete C30, HRB400 reinforcing bar, C10@150 double-deck two-way, the width is 1.5m, adopt the bayonet socket to handle between the boards, the height of the recess 8 in the lower part of apron 3 is 120mm, the height from the top of recess 8 to the upper surface of apron 3 is 120mm, the distance of the slope corner of apron 3 to the side of the recess 8 is 150mm, the horizontal projection distance of slope is 240mm, the width of the middle part of apron 3 is decided by the width of post-cast strip 9, with the adaptation of the width of post-cast strip 9; the sizes of a pile head A5 and a pile head B10 of flanges at two sides of the upper part of the post-cast strip 9 are 120mm wide and 120mm high, and the pile head A and the pile head B adopt a double-layer bidirectional way of concrete C30, HRB400 steel bars and C10@ 150;

the concrete construction sequence is as follows: according to the concrete size of the post-cast strip 9, a prefabricated cover plate 3 (concrete is C30, HRB400 steel bar, phi 10@150 double-layer bidirectional, the width is controlled within 1.5m, bayonet processing is adopted between plates), two sides of the post-cast strip 9 at a construction site are flanged to form a pile head A5 and a pile head B10, the prefabricated cover plate 3 is clamped on the flanges A5 and the pile head B10 at two sides of the post-cast strip 9 on the site, building surface layer methods such as basement roof water prevention and the like are adopted, soil covering and municipal landscape engineering are carried out, and the post-cast strip is sealed by using a grouting pipe 7 pre-buried on the upper surface of the cover plate 3 according to time; the utility model discloses a combine prefabricated apron, can carry out the post-cast strip structure of later stage constructions such as mould sealing, earthing in advance, in actual project construction, for satisfying the whole delivery time of engineering, adopted the utility model discloses post-cast strip construction scheme has reached fine result of use and time cost.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents, and thus the embodiments of the invention are intended only as illustrative examples of the invention and no limitation of the invention is intended whatsoever to be construed by the embodiments of the invention.

Claims

1. The utility model provides a pre-closed waterproof post-cast strip structure, includes water area (12) and post-cast strip (9) earlier, characterized by: there are post-cast strip (9) between earlier casting strip (12), leave the turn-ups in post-cast strip (9) upper portion both sides, post-cast strip (9) upper portion both sides turn-ups form buttress head A (5) and buttress head B (10) respectively, be equipped with apron (3) in post-cast strip (9) top, set up recess (8) in apron (3) lower part, in the apex angle (4) of apron (3) lower part recess (8) are anchored respectively to buttress head A (5) and buttress head B (10), leave preformed hole (6) on apron (3) upper surface.

2. The pre-closed waterproof post-cast strip structure as claimed in claim 1, wherein: the cover plate (3) is of a trapezoidal structure, and a concave groove (8) is formed in the middle of the lower surface of the cover plate (3).

3. The pre-closed waterproof post-cast strip structure as claimed in claim 2, wherein: the height of the groove (8) is the same as the height of the stacking head A (5) and the stacking head B (10).

4. A pre-closed waterproof post-cast strip construction as claimed in claim 2 or claim 3 wherein: two side surfaces of the cover plate (3) are respectively provided with a slope surface A (2) and a slope surface B (11), a waterproof layer (14) is paved on the outer surface of the cover plate (3), and corner folding treatment is carried out on waterproof coiled materials paved on corner portions (1) where the slope surface A (2) and the slope surface B (11) are connected with a water-facing surface (13).

5. The pre-closed waterproof post-cast strip structure as claimed in claim 1, wherein: and steel plate water stops (17) are respectively arranged in the middle of the joints of the post-cast strip (9) and the two side pre-cast strips (12).

6. The pre-closed waterproof post-cast strip structure as claimed in claim 1, wherein: and a grouting pipe (7) is inserted in the preformed hole (6).

7. The pre-closed waterproof post-cast strip structure as claimed in claim 6, wherein: the diameter of the grouting pipe (7) is more than or equal to 100mm, or 1.5 times of the maximum diameter of the coarse aggregate; the height of the grouting pipe (7) is 80-150mm higher than the soil covering surface, and the lower end of the grouting pipe (7) extends into the post-cast strip by 80-120 mm.

8. The pre-closed waterproof post-cast strip structure as claimed in claim 7, wherein: the grouting pipes (7) are arranged every 3m, and the grouting pipes (7) are arranged in the cover plate (3) in the middle.