CN113202981A

CN113202981A - Wall postposition type waterproof sleeve assembly and wall structure thereof

Info

Publication number: CN113202981A
Application number: CN202010188928.2A
Authority: CN
Inventors: 毕书孟; 高兴; 孙紫强; 闫世杰; 吕贺; 李垚
Original assignee: China Railway Design Corp
Current assignee: China Railway Design Corp
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2021-08-03
Anticipated expiration: 2040-03-17
Also published as: CN113202981B

Abstract

The invention provides a wall surface rear-mounted waterproof sleeve assembly and a wall body structure thereof, which are arranged on an existing wall body provided with a sleeve hole, and comprise a sleeve, a grouting template and a steel batten, wherein the sleeve, the grouting template and the steel batten are sequentially arranged from outside to inside; the grouting template is provided with a grouting air vent and a stud hole, and the steel plate strip is also provided with a stud hole. The wall structure installed by the wall surface postposition type waterproof sleeve assembly is convenient to construct, has good waterproof effect, avoids the complexity in the conventional subsequent sleeve construction, can improve the construction efficiency and also reduces the risk of water leakage.

Description

Wall postposition type waterproof sleeve assembly and wall structure thereof

Technical Field

The invention belongs to the field of building construction, and particularly relates to a wall surface postposition type waterproof sleeve assembly and a wall body structure thereof.

Background

In the building engineering, underground water proofing is important, and the water leakage of individual points directly influences the overall waterproof requirement. According to the requirements of the use functions of buildings, rigid or flexible embedded sleeves are usually arranged on the outer wall, and waterproof nodes of the embedded sleeves on the outer wall below the ground are places which are easy to cause problems in engineering. In practical engineering, the casing pipe is often added under the condition that the underground outer wall is completely waterproof due to omission and the like. For the construction of the post-repair sleeve, a hole is formed in the wall body, the existing waterproof layer at the corresponding position is damaged, then the sleeve is placed, the template is fixed, concrete is injected into the hole, the template is detached after hardening, and the waterproof layer is recovered. But the waterproof layer is damaged in the process, and the number of bonding ports is large during recovery, so that the risk of water leakage is increased.

The construction of the rear bushing is more complicated, the requirement on waterproof details is higher, and under the existing condition, a rear waterproof bushing form capable of solving the problems is urgently needed, so that the basic functional requirements can be met, the operation is simple, and the water is effective.

Disclosure of Invention

Aiming at the conditions that the construction procedure of the existing after-repair sleeve is complicated and the waterproof effect is not good, the invention aims to provide a wall surface postposition type waterproof sleeve assembly and a wall structure thereof, which have simple construction operation and can effectively prevent water.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the utility model provides a waterproof sleeve pipe sub-assembly of rearmounted type of wall, sets up on the existing wall body of seting up the sleeve pipe hole, its characterized in that: the grouting device comprises a sleeve, a grouting template and a steel strip which are sequentially arranged from outside to inside, wherein one end of the sleeve is provided with a flange, the other end of the sleeve is provided with a covering plate, the periphery of the sleeve is provided with a wing disc, the diameter of the covering plate is larger than that of a sleeve hole, the diameters of the flange and the wing disc are smaller than that of the sleeve hole, and the flange is provided with a plurality of mounting holes; the grouting template is provided with a grouting air vent and a stud hole, and the steel plate strip is also provided with a stud hole.

Furthermore, the existing wall is a wall surface which is provided with an outer waterproof roll material layer, and is usually a concrete wall.

Further, the flange and the wing disc are circular rings, and the covering plate is circular ring or square ring.

Further, the flange, the wing disc and the covering plate are integrally formed with the sleeve; the diameter of the sleeve is D, the diameters of the flange and the wing disc are D + (100-140 mm), the diameter of the sleeve hole is D + (150-220 mm), and the diameter of the covering plate or the diameter of the inscribed circle is D + (250-320 mm).

Further, the grouting air vent is two holes or a long hole which are separately arranged.

Furthermore, the steel plate strip is a U-shaped steel plate strip.

The invention also aims to provide a wall structure adopting the wall surface postposition type waterproof sleeve assembly, which comprises an existing wall body provided with a sleeve hole, wherein a grouting hole is formed above the inner side of the sleeve hole, the wall surface postposition type waterproof sleeve assembly is arranged at the sleeve hole, and concrete is filled between the sleeve hole and the waterproof sleeve assembly through the grouting hole.

Furthermore, a circle of water-swelling sealant coats the inner side of the covering plate in contact with the outer wall waterproof coiled material in the waterproof sleeve assembly, a circle of water-swelling sealant coats the grouting template and the flange joint, and a circle of water-swelling rubber strip is arranged at the position, corresponding to the wing plate, of the center of the inner wall of the hole of the sleeve hole.

Further, the length of the grouting hole is 50-100 mm.

Furthermore, a grouting air vent communicated with the grouting hole is formed in a grouting template in the wall surface rear-mounted waterproof sleeve assembly.

Compared with the prior art, the wall surface postposition type waterproof sleeve assembly and the wall structure thereof have the following advantages:

(1) the wall surface postposition type waterproof casing pipe assembly has the advantages that the structure is simple, the installation is convenient, the complexity in conventional casing pipe construction is avoided, the construction efficiency can be improved, the wall surface postposition type waterproof casing pipe assembly is an optimized improvement on the existing casing pipe product, the waterproofness of the postposition waterproof casing pipe engineering is improved, the wall surface postposition type waterproof casing pipe assembly is mainly used for an underground outer wall with an externally attached waterproof layer, and the waterproof sealing effect is good when a waterproof casing pipe is newly added under the condition that the wall body and the waterproof layer are constructed;

(2) the flange joint at the inner side of the sleeve adopts the national universal standard of the sleeve, not only meets the requirements of simple, quick and effective connection with an optimized component, but also meets the use requirement that a flange port is matched with a national standard flexible sleeve component after the sleeve construction is finished. The invention has high standardization degree, is matched with national standards and has wide application range.

Drawings

FIG. 1 is a schematic perspective structural view of the wall construction of the present invention;

FIG. 2 is an exploded view of the wall construction of the present invention;

FIG. 3 is a schematic cross-sectional view of the wall construction of the present invention;

FIG. 4 is a schematic elevational view of the exterior wall of the wall construction of the present invention;

FIG. 5 is a schematic elevational view of the interior wall surface of the wall construction of the present invention.

In the figure:

1-existing wall body; 2-waterproof roll layer; 3-casing a hole; 4-grouting holes; 5-concrete; 6-a flange; 7-wing disk; 8-a cover plate; 9-a sleeve; 10-studs of the fixed template; 11-studs to secure the sleeve; 12-steel plate strips; 13-grouting the template; 14-grouting vents; 15-water swellable sealant; 16-water swellable rubber strip; 17-stud hole.

Detailed Description

Unless defined otherwise, technical terms used in the following examples have the same meanings as commonly understood by one of ordinary skill in the art to which the present invention belongs. The test reagents used in the following examples, unless otherwise specified, are all conventional biochemical reagents; the experimental methods are conventional methods unless otherwise specified.

The present invention will be described in detail with reference to the following examples and accompanying drawings.

A wall surface rear-mounted waterproof casing assembly is arranged on an existing wall body 1 with a casing hole as shown in figure 1, and comprises a casing 9, a grouting template 13 and a steel batten 12 which are sequentially arranged from outside to inside, wherein one end of the casing 9 is provided with a flange 6, the other end of the casing 9 is provided with a covering plate 8, the periphery of the casing 9 is provided with a wing disc 7, and the flange 6, the wing disc 7, the covering plate 8 and the casing 9 are integrally formed to form a casing part; the diameter of the covering plate is larger than that of the sleeve hole, and the diameters of the flange and the wing disc are smaller than that of the sleeve hole, preferably, for convenience of installation, the flange and the wing disc are circular, and the covering plate is circular or square;

specifically, the diameter of the sleeve is D, the diameters of the flange and the wing disc are D + (100-140 mm), the diameter of the sleeve hole is D + (150-220 mm), and the diameter of the cover plate (if the cover plate is a circular ring) or (if the cover plate is a square ring) of the inscribed circle is D + (250-320 mm); a plurality of mounting holes are formed in the flange; the grouting template is provided with a grouting air vent and a stud hole, and the steel plate strip is also provided with a stud hole.

The grouting air vent is two holes (one is a grouting hole and the other is an air vent) or a long hole (one end is grouted, and the other end is reserved with a certain gap to be used as the air vent).

The rear waterproof sleeve is arranged at the position of an existing wall body which is used as a waterproof layer, a sleeve hole slightly larger than the size of the sleeve is drilled on the wall, waterproof coiled materials in the same range are broken, a circle of water-swelling rubber strip 16 is adhered to the inner side of the sleeve hole, a flange 6, a wing disc 7, a covering plate 8 and the sleeve 9 are integrally formed to form a sleeve piece, the sleeve piece is placed into the sleeve hole from the outside, the length of the integrated sleeve is matched with the thickness of the wall body, the original waterproof coiled material layer 2 around the hole is compressed within the range of the ring enlarged by the covering plate 8, and a circle of water-swelling sealant 15 is coated on the compression side. At one indoor side, a stud 11 for fixing a sleeve sequentially penetrates through a steel plate strip 12 and a stud hole in a grouting template 13 to be connected with a flange 6 of a sleeve member, and a sleeve stressed combination is formed by utilizing the limiting effect of the steel plate strip 12 and a wall body. And further fixing the flange 6 and a grouting template 13 coated with a circle of water-swelling sealant 15 on the inner side by using a stud 10 of the fixed template, and pressing the template against the inner wall surface to seal the drilled casing hole. And a grouting hole 4 is reserved above the hole, and a grouting opening and an exhaust opening are formed in the corresponding template, so that the grouting is completed between the sleeve hole 3 and the waterproof sleeve assembly through the grouting opening by filling concrete 5. After the wall body is hardened, the steel plate strip 12 and the grouting template 13 at the inner end of the chamber can be removed, the rest sleeve fixed in the wall is a part of a flexible sleeve with good waterproof performance, and the interface standard of the flexible sleeve is consistent with that of a national standard sleeve.

Preferably, the length of the grouting holes is 50-100mm for convenient grouting.

Example 1

As shown in figures 1-5, an outer wall waterproof coil layer 2 is attached to the outer side of an existing wall body 1, and the requirement of wall surface waterproofing is met. When the sleeve is additionally arranged, a hole slightly larger than the size of the sleeve needs to be drilled, the waterproof coiled material in the same range is broken to form a wall body opening 3, and in order to ensure that the concrete 5 filled in the hole can be properly injected after the sleeve is arranged, a grouting hole 4 with the thickness of 50-100mm needs to be formed above the inner side of the wall body opening 3.

In this embodiment, the diameter of the sleeve 9 is d, the diameters of the flange 6 and the wing disk 7 are (d +100) mm, the diameter of the cover plate 8 is (d +250) mm, and the flange 6, the wing disk 7, the cover plate 8 and the sleeve 9 are integrally formed metal components and are placed in the pre-opened sleeve hole 3 of the wall body from the outdoor direction to the indoor direction. At the indoor side, the stud 11 of the fixed sleeve is used for connecting the flange 6 of the sleeve with the U-shaped steel plate strip 12 to form a stress system, stress points at two ends of the U-shaped steel plate strip 12 are arranged on an original wall surface, the stud is screwed up, so that the outer wall waterproof coiled material 2 can be pressed by the covering plate 8 in the sleeve metal structure from outside to inside, the grouting template 13 needs to be fixed on the flange 6 by the stud 10 of the fixed template, and the stud is screwed up to press the grouting template 13 to the inner side hole of the sleeve hole 3. And a grouting air vent 14 on the grouting template 13 needs to be correspondingly communicated with the grouting hole 4, so that the grouting requirement is met.

And the extrusion sides of the covering plate 8 and the grouting template 13 of the sleeve assembly are respectively coated with a circle of water-swelling sealant 15, so that a sealing effect is formed under the stressed extrusion condition, and a waterproof dual guarantee is provided. At the position corresponding to the wing plate 7 in the center of the inner wall of the sleeve hole 3, a circle of water-swelling rubber strip 16 is pre-adhered to the wall of the hole before the sleeve is placed in the hole, so that the post-cast concrete and the original concrete wall form a seamless space, and the sealing and waterproof effects are further improved.

After the post-cast concrete 5 is cured and hardened, the steel plate strips 12 and the grouting templates 13 can be removed, and the rest of the components form a part of the national standard waterproof casing, which can be used according to the national standard requirements.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a waterproof sleeve pipe sub-assembly of rearmounted type of wall, sets up on the existing wall body of seting up the sleeve pipe hole, its characterized in that: the grouting device comprises a sleeve, a grouting template and a steel strip which are sequentially arranged from outside to inside, wherein one end of the sleeve is provided with a flange, the other end of the sleeve is provided with a covering plate, the periphery of the sleeve is provided with a wing disc, the diameter of the covering plate is larger than that of a sleeve hole, the diameters of the flange and the wing disc are smaller than that of the sleeve hole, and the flange is provided with a plurality of mounting holes; the grouting template is provided with a grouting air vent and a stud hole, and the steel plate strip is also provided with a stud hole.

2. The waterproof sleeve assembly of claim 1, wherein: the existing wall body is a wall surface which is provided with an outer waterproof roll material layer.

3. The waterproof sleeve assembly of claim 1, wherein: the flange and the wing disc are circular rings, and the covering plate is circular ring or square ring.

4. A waterproof sleeve assembly according to any one of claims 1 to 3, wherein: the flange, the wing disc, the covering plate and the sleeve are integrally formed; the diameter of the sleeve is D, the diameters of the flange and the wing disc are D + (100-140 mm), the diameter of the sleeve hole is D + (150-220 mm), and the diameter of the covering plate or the diameter of the inscribed circle is D + (250-320 mm).

5. A watertight casing assembly according to any one of claims 1 or 2 or 3, wherein: the grouting air vent is two holes or a long hole which are separately arranged.

6. A watertight casing assembly according to any one of claims 1 or 2 or 3, wherein: the steel plate strip is a U-shaped steel plate strip.

7. A wall structure using the wall-mounted waterproof jacket assembly of claim 1, characterized in that: the waterproof wall comprises an existing wall body provided with a sleeve hole, a grouting hole is formed in the upper portion of the inner side of the sleeve hole, a wall rear-mounted waterproof sleeve assembly is mounted in the sleeve hole, and concrete is filled between the sleeve hole and the waterproof sleeve assembly through the grouting hole.

8. The wall structure of claim 7, wherein: the inner side of the covering plate, which is in contact with the outer wall waterproof coiled material, of the waterproof sleeve assembly is coated with a circle of water-swelling sealant, the joint of the grouting template and the flange is coated with a circle of water-swelling sealant, and a circle of water-swelling rubber strip is arranged at the position, corresponding to the wing plate, of the center of the inner wall of the hole of the sleeve hole.

9. The wall structure of claim 7, wherein: the length of the grouting hole is 50-100 mm.

10. The wall structure of claim 7, wherein: and a grouting air vent communicated with the grouting hole is formed in the grouting template in the wall surface postposition type waterproof sleeve assembly.