CN210947732U

CN210947732U - Waterproof structure of rear wall bushing of basement concrete outer wall

Info

Publication number: CN210947732U
Application number: CN201921500241.7U
Authority: CN
Inventors: 范小青; 丁艳江; 林伟; 赵玉强; 姜喜林; 贾岩; 许吉宪; 吴越; 闻玉栋; 何华强; 苏振宇; 杨毅
Original assignee: China Gezhouba Group Three Gorges Construction Engineering Co Ltd
Current assignee: China Gezhouba Group Three Gorges Construction Engineering Co Ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-07-07
Anticipated expiration: 2029-09-10

Abstract

A waterproof structure of a rear wall bushing of a basement concrete outer wall comprises a rear bushing, wherein a wing ring is arranged on one side of the rear bushing, the rear bushing is fixed with the concrete outer wall through the wing ring, and a first gap is formed between the rear bushing and the concrete outer wall; a first sealing layer is arranged in the first gap; the wall-penetrating pipeline penetrates through the rear sleeve and forms a second gap with the rear sleeve, and a second sealing layer is arranged in the second gap. The utility model provides a pair of rearmounted wall bushing's waterproof construction of basement concrete outer wall, construction convenience can be effectively waterproof.

Description

Waterproof structure of rear wall bushing of basement concrete outer wall

Technical Field

The utility model relates to a waterproof construction, especially a rearmounted wall bushing's waterproof construction of basement concrete outer wall.

Background

In the construction process of building underground engineering, the condition that a pipeline needs to penetrate through an outer wall exists, in general, a design drawing and a related drawing set have reserved hole positions and a method for embedding a circular steel sleeve for engineering technicians to select, but in actual construction, due to design defects, changes or technical rechecks are not in place, the reserved sleeve is omitted, and at the moment, a rear hole needs to be formed so as to facilitate pipe penetrating construction. The back trompil can't set up buried sleeve, and the pipeline sleeve pipe lacks buried sleeve's stagnant water wing ring this moment, and waterproof seal is relatively poor, and consequently, the water repellent treatment degree of difficulty is great. At present, a waterproof structure which can be used for reference is not available for the situation, the periphery of the sleeve is filled with a common hydrophobic material for waterproof treatment, the construction difficulty is high, the waterproof effect is poor, and the later-stage water leakage hidden trouble is frequently generated at the position.

Disclosure of Invention

The utility model aims to solve the technical problem that a rearmounted wall bushing's waterproof construction of basement concrete outer wall is provided, construction convenience, water-proof effects is reliable, has solved the waterproof difficult problem of back trompil pipeline steel casing pipe.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

a waterproof structure of a rear wall bushing of a basement concrete outer wall comprises a rear bushing, wherein a wing ring is arranged on one side of the rear bushing, the rear bushing is fixed with the concrete outer wall through the wing ring, and a first gap is formed between the rear bushing and the concrete outer wall; a first sealing layer is arranged in the first gap; the wall-through pipeline penetrates through the rear sleeve and forms a second gap with the rear sleeve, and a second sealing layer is arranged in the second gap.

The first sealing layer comprises a waterproof sealing paste layer, an expansion grouting material layer and a rubber water stop ring belt which are sequentially arranged from left to right.

The wing ring is provided with a slurry overflow hole and a slurry injection hole which are communicated with the first gap.

The second sealing layer includes the waterproof sealing cream layer of controlling the setting, is equipped with pitch hemp between the waterproof sealing cream layer.

The utility model relates to a rearmounted wall bushing's waterproof construction of basement concrete outer wall has following technological effect: through setting up rearmounted sleeve pipe, utilize the mode of slip casting to carry out the sealed of rearmounted sleeve pipe and concrete outer wall, not only construction degree of difficulty greatly reduced like this, the leakproofness between rearmounted sleeve pipe and the concrete outer wall improves greatly moreover, and water-proof effects obtains guaranteeing.

Drawings

The invention will be further explained with reference to the following figures and examples:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a partial structure of the present invention.

In the figure: the waterproof structure comprises a rear sleeve 1, a rubber water stop ring belt 2, a concrete outer wall 3, a grout overflow hole 4, an expansion grouting material 5, a grouting hole 6, an expansion bolt 7, a waterproof additional layer 8, a wall penetrating pipeline 9, asphalt hemp threads 10, a waterproof sealing paste layer 11, a bolt hole 12 and a wing ring 13.

Detailed Description

As shown in fig. 1, the waterproof structure of the rear wall bushing of the concrete outer wall of the basement comprises a rear bushing 1, wherein a wing ring 13 is arranged on one side of the rear bushing 1, and four bolt holes 12, a grout overflow hole 4 and a grouting hole 6 are formed in the wing ring 13. The wing ring 13 is fixed with the concrete outer wall 3 through the expansion bolts 7. And a first gap is formed between the rear sleeve 1 and the concrete outer wall 3. In this first clearance, seal through rubber stagnant water clitellum 2 between wing ring 13 outward flange and concrete outer wall 3, in this first clearance, keep away from the other end of gluing stagnant water clitellum 2 and carry out the shutoff through waterproof sealing paste layer 11 for this first clearance forms confined space, is equipped with inflation grout bed 5 in this confined space, and inflation grout bed 5 passes through the slip casting of grouting hole 6, utilizes excessive grout hole 4 to look over whether to fill. A second gap is formed between the two, the middle of the second gap is provided with the asphalt hemp threads 10, and the two ends of the asphalt hemp threads 10 are blocked by the waterproof sealing paste layer 11.

The working principle and the process are as follows:

1) the rear steel sleeve is improved, firstly, a circular rear sleeve 1 is manufactured according to the inner diameter (diameter) size of a hole formed in an outer wall and the thickness of a structural wall, the length of the rear sleeve 1 is the same as the thickness of the structural wall, the diameter of the rear sleeve 1 is 3-4cm smaller than the diameter of the hole, then, a circle of steel plate wing ring 13 is welded at any end of the steel rear sleeve 1, a welding line is required to be fully welded, the width of the wing ring 13 is 6-8cm, the thicknesses of the sleeve 1 and the wing ring 14 are not smaller than 5mm, six holes with the diameter of about 10mm are manufactured in the wing ring 13, and the steel sleeve is manufactured.

2) The rear sleeve 1 is aligned to the opening in the wall body in the middle and plugged into the opening, the gaps around the rear sleeve 1 can be adjusted by wood wedges in an auxiliary mode so as to be kept in the middle, the installation direction ensures that the grout overflow holes 4 are right above, marks are made on the wall surface corresponding to the 4 bolt holes 12 by using a marking pen at the moment, and the rear sleeve 1 is detached. Drilling a bolt hole with the depth of 10cm at a marked position by using an electric drill, reinstalling the postposition sleeve 1 to enable the hole on the wing ring to correspond to the hole on the wall, plugging the rubber water stop ring band 2 between the periphery of the hole on the wing ring 13 and the wall surface, manufacturing the width of the rubber water stop ring band 2 according to the size from the hole edge on the wing ring 13 to the outer ring of the wing ring 13, driving the expansion bolt 7 into the bolt hole 12 after installation, screwing the expansion bolt tightly to enable the wing ring 13 to tightly press the rubber water stop ring 2, and then completing the installation of the postposition sleeve 1.

3) And a circle of waterproof sealing paste layer 11 is injected into a gap between the rear sleeve 1 and the wall opening on the outer side of the wall, after the paste is solidified, a wall-through pipeline 9 can be installed, and the wall-through pipeline 9 and the rear sleeve 1 are plugged in a conventional mode, for example, two ends of the wall-through pipeline are embedded into the waterproof sealing paste layer 11 and a middle cavity gap is filled with asphalt hemp threads 10 for plugging and waterproofing.

4) After the pipeline is installed, injecting expansion grouting material 5 (the expansion grouting material 5 can be water-soluble polyurethane) from a grouting hole under a wing ring 13 of the rear sleeve 1, adopting pressure grouting, wherein the pressure does not need to be too large, the grout can be filled in a cavity gap between the hole of the rear sleeve 1 and the concrete outer wall 3, after the grouting is filled in the cavity gap, the grout can flow out from an overflow hole over the wing ring 13, and the grouting can be stopped immediately after the cavity gap is proved to be full. The plug with the screw hole is used for blocking the grout overflow hole 4, then, the pressure is continuously applied for grouting for a few minutes, whether the pressure is stable or not is checked, the pressure stability proves that the cavity gap is filled up, the grouting pipe of the grouting hole 6 can be dismounted, and the plug with the screw hole is used for blocking the grouting hole 6 rapidly. And then, protecting a finished product, and after the grouting material is solidified to generate strength, manufacturing a waterproof additional layer (see figure 1) and an outer wall waterproof layer on the outer side of the sleeve according to a conventional mode, so that the waterproof construction of the pipeline wall penetrating position where the hole is formed later is finished.

Claims

1. The utility model provides a rearmounted wall bushing's of basement concrete outer wall waterproof construction which characterized in that: the rear sleeve (1) is fixed with the concrete outer wall (3) through the wing ring (13), and a first gap is formed between the rear sleeve (1) and the concrete outer wall (3); a first sealing layer is arranged in the first gap; the wall-through pipeline (9) penetrates through the rear sleeve (1) and forms a second gap with the rear sleeve (1), and a second sealing layer is arranged in the second gap.

2. The waterproof structure of the rear wall bushing of the concrete outer wall of the basement according to claim 1, characterized in that: the first sealing layer comprises a waterproof sealing paste layer (11), an expansion grouting material layer (5) and a rubber water stop ring belt (2) which are sequentially arranged from left to right.

3. The waterproof structure of the rear wall bushing of the concrete outer wall of the basement according to claim 2, characterized in that: the wing ring (13) is provided with a slurry overflow hole (4) and a slurry injection hole (6), and the slurry overflow hole (4) and the slurry injection hole (6) are communicated with the first gap.

4. The waterproof structure of the rear wall bushing of the concrete outer wall of the basement according to claim 1, characterized in that: the second sealing layer includes waterproof sealing cream layer (11) of controlling the setting, is equipped with pitch hemp silk (10) between waterproof sealing cream layer (11).