CN216999883U

CN216999883U - Basement structure bottom plate seepage block structure

Info

Publication number: CN216999883U
Application number: CN202220362029.4U
Authority: CN
Inventors: 徐小勇; 王永根; 谢国栋; 赵海波; 郭梁
Original assignee: Zhejiang Lyucheng Housing Service System Co ltd
Current assignee: Zhejiang Lyucheng Housing Service System Co ltd
Priority date: 2021-11-08
Filing date: 2022-02-22
Publication date: 2022-07-19
Anticipated expiration: 2032-02-22

Abstract

The utility model provides a basement structure bottom plate seepage block structure, includes the inside basement structure bottom plate that forms the seepage seam, and the seepage seam upwards extends and forms the seepage line on basement structure bottom plate surface, still includes a plurality of injected holes, and the injected hole is arranged along seepage line extending direction, and the injected hole runs through the seepage seam and sets up, is equipped with the slip casting needle that is used for injecting the shutoff thick liquid in. The utility model has the following beneficial effects: (1) arranging inclined grouting holes crossed with the leakage seams to ensure the smooth injection of the leakage-stopping slurry; (2) grouting holes alternately arranged in the directions and end grouting holes at two ends further enhance the plugging effect; (3) the setting of the drilling depth and the inclination of the grouting hole ensures that slurry does not leak and the slurry effectively enters the leakage gap. (4) And orderly and continuously grouting to ensure that the slurry is continuously communicated and seamlessly bonded and filled to avoid secondary leakage.

Description

Basement structure bottom plate seepage block structure

Technical Field

The utility model relates to the technical field of leakage repair, in particular to a basement structure bottom plate leakage plugging structure.

Background

High water level basement is because structure and construction conditions are complicated in actual engineering, for example foundation settlement difference, concrete vibrate reasons such as not enough leading to honeycomb, basement structure bottom plate easily produces the hourglass infiltration phenomenon. However, in the prior art, cement mortar or a simple leaking stoppage process is generally used for leaking stoppage, but because the water level of the basement is high, the leaking stoppage effect is poor, and generally, water leakage continues after leaking stoppage, so that reinforcing steel bars are continuously oxidized and rotten, and the service life of the structure is seriously influenced.

For example, a "leakage blocking structure for a post-cast strip of a people-proof basement floor and a construction method thereof" disclosed in chinese patent literature, which has application number CN202110359737.2, includes a primary water-stopping space located at a lower portion and a secondary water-stopping space located at an upper portion, the primary water-stopping space is a primary water-stopping structure formed by "injecting a polyurethane foam filling layer into a leakage gap of a construction joint of a post-cast strip of a foundation floor"; the secondary water stopping space is a secondary water stopping structure formed by arranging a U-shaped groove anti-seepage structure layer on the primary water stopping space. The defects that the water stopping structure cannot be completely filled in a leakage seam easily, repair failure is caused, steps are complex, and the service life of the structure is influenced.

Disclosure of Invention

The utility model provides a basement structure bottom plate leakage plugging structure, which aims to solve the problems of poor basement plugging effect and complex steps in the prior art, effectively plugs basement structure bottom plates and has simple steps.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a basement structure bottom plate seepage block structure, includes the inside basement structure bottom plate that forms the seepage seam, and the seepage seam upwards extends and forms the seepage line on basement structure bottom plate surface, still includes a plurality of injected holes, and the injected hole is arranged along seepage line extending direction, and the injected hole runs through the seepage seam and sets up, is equipped with the slip casting needle that is used for injecting the shutoff thick liquid in the injected hole.

The method is characterized in that a leveling and plastering layer on a basement structure bottom plate is chiseled, after a leakage seam on the surface of the structure bottom plate is exposed, grouting holes are arranged along the leakage seam in a crossed mode, namely, the grouting holes are obliquely inserted into the structure bottom plate from one side of a leakage line to the position close to the leakage seam, the grouting holes are communicated with the leakage seam at the moment, leakage stopping slurry can continuously and smoothly enter the leakage seam, and meanwhile, a plurality of grouting holes are arranged along the extending direction of the leakage seam, so that the leakage stopping slurry in the leakage seam is fully filled. The leakage blocking slurry is preferably a three-component epoxy resin grouting material.

Preferably, adjacent grouting holes penetrate through the leakage seam from both sides thereof.

During the structure bottom plate was bored into to the slope from leakage line both sides in turn to the slip casting hole, the slip casting direction at both ends was different in the leakage joint between the adjacent slip casting hole, further avoided the insufficient problem of slip casting.

Preferably, the grouting holes further comprise end grouting holes arranged at two ends of the leakage seam, and the end grouting holes extend from the outer side of the end of the leakage seam to the inside of the leakage seam.

The leakage blocking effect of the end part in the leakage joint is ensured by grouting from the outer sides of the two ends into the leakage joint, and in actual operation, the grouting of the end part is firstly carried out and then is continuously grouted inwards gradually, so that the effective bonding of the grout is ensured.

Preferably, the included angle between the grouting needle and the vertical direction is set to be 25-35 degrees.

Ensuring that the leakage-stopping slurry smoothly enters the leakage gap.

Preferably, the interval between adjacent grouting holes is 15-20 cm.

Ensuring that the grouting covers the whole leakage seam and is connected uninterruptedly.

Preferably, the upper surface of the basement structure bottom plate is provided with a cement-based permeable crystallized waterproof coating layer which is coated in a crisscross manner.

And (3) after grouting is finished and the surface of the structure is cleaned, the cement-based capillary crystalline waterproof coating is coated in a crossed manner, and the waterproof coating is coated for at least three times so as to improve the waterproof performance of the whole structure.

Preferably, a waterproof fine stone concrete layer is arranged above the cement-based infiltration crystallization waterproof coating layer.

The waterproof fine stone concrete layer is flush with the surrounding surface layer.

Preferably, the depth of the grouting hole is 150-200mm and is less than or equal to half of the thickness of the basement structure bottom plate.

And the phenomenon that the grouting hole is drilled too deeply to cause penetration of the structural plate and slurry leakage is avoided.

Therefore, the utility model has the following beneficial effects: (1) arranging inclined grouting holes crossed with the leakage seams to ensure the smooth injection of leakage-stopping grout; (2) grouting holes alternately arranged in the directions and end grouting holes at two ends further enhance the plugging effect; (3) the drilling depth and the inclination of the grouting hole are set, so that no slurry leakage is ensured, and slurry effectively enters the leakage gap. (4) Orderly and continuously grouting to ensure that the grout continuously runs through seamless bonding and filling to avoid secondary leakage.

Drawings

Fig. 1 is a schematic cross-sectional structure of the present invention.

Fig. 2 is a schematic view of the grouting sequence of the present invention.

Fig. 3 is a partial structural schematic view of fig. 1.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

As shown in fig. 1, a basement structure bottom plate seepage shutoff structure, the original structure bottom plate includes the bottommost block stone bed course 3, the middle reinforced concrete basement structure bottom plate 2 with thickness of 400mm, and the waterproof fine stone concrete layer 1 with thickness of 40mm, wherein forms the seepage gap 4 in the basement structure bottom plate 2 of seepage and forms the seepage line 41 on the basement structure bottom plate 2 surface thereby forming the seepage area, chisels the waterproof fine stone concrete layer 1 above the seepage area and exposes the seepage line 41. As shown in fig. 2, a plurality of grouting holes 5 for injecting plugging slurry are arranged in the basement structure bottom plate 2 along the extending direction of the leakage line, grouting needles are buried in the grouting holes, and the plugging slurry is injected into the plugging holes by a grouting pump through grouting. End grouting holes 51 are respectively arranged at the outer sides of the two ends of the leakage line 41. The interval of adjacent grouting holes 5 is 15-20 cm, the adjacent grouting holes 5 respectively run through the leakage seam 4 from the two sides of the leakage line 41 in an inclined mode, the end part grouting holes 51 run through the leakage seam 4 from the outer side of the end part in an inclined mode, the included angles between the grouting holes 5 and the end part grouting holes 51 and the vertical direction are both 30 degrees, and the depth of each grouting hole is 200 mm. As shown in fig. 3, grouting needles 6 are respectively embedded in the grouting holes and the end grouting holes, a grouting pump is adopted to inject three-component epoxy resin grouting material into the plugging holes through the grouting needles 6 to serve as leakage blocking slurry, after no leakage is confirmed, the needle points are knocked out, then high-strength sealing paste is embedded into the needle holes, the surface of the basement structure bottom plate 2 in the leakage area is cleaned, a cement-based infiltration crystallization waterproof coating layer is coated on the structure bottom plate, and waterproof coating is coated in a crossed manner for three times. After the cement-based infiltration crystallization waterproof coating layer is solidified, a waterproof fine stone concrete layer 1 with the thickness of 40mm is poured and tamped to be flush with the peripheral waterproof fine stone concrete layer 1. In the process of repairing, the repairing sequence is as shown in fig. 2, grouting is gradually performed inwards from two ends, wherein the numbers in the figure represent the grouting sequence, and the arrows represent the grouting direction.

Claims

1. The utility model provides a basement structure bottom plate seepage block structure, includes basement structure bottom plate (2) of inside formation seepage crack (4), seepage crack (4) upwards extend and form seepage line (41) on basement structure bottom plate (2) surface, characterized by still includes a plurality of injected hole (5), and injected hole (5) are arranged along seepage line (41) extending direction, and injected hole (5) are run through seepage crack (4) and are set up, are equipped with slip casting needle (6) that are used for injecting the leaking stoppage thick liquid in injected hole (5).

2. The basement structure floor leakage blocking structure according to claim 1, wherein the adjacent grouting holes (5) penetrate through the leakage seam (4) from two sides.

3. The basement structure floor leakage blocking structure according to claim 2, wherein the grouting holes (5) further comprise end grouting holes (51) arranged at two ends of the leakage seam (4), and the end grouting holes (51) extend from the outer sides of the ends of the leakage seam (4) to the inner side of the leakage seam (4).

4. The basement structure bottom plate leakage plugging structure according to claim 1, wherein an included angle between the grouting needle (6) and the vertical direction is set to be 25-35 degrees.

5. The basement structure floor leakage blocking structure according to claim 1, wherein the interval between adjacent grouting holes (5) is 15-20 cm.

6. The basement structure floor leakage blocking structure according to claim 1, wherein the basement structure floor (2) is provided with a cement-based permeable crystalline waterproof coating layer coated crosswise on the upper surface.

7. The basement structure bottom plate leakage plugging structure of claim 6, wherein a waterproof fine stone concrete layer (1) is arranged above the cement-based infiltration crystallization waterproof coating layer.

8. The basement structure bottom plate leakage blocking structure according to claim 1, wherein the depth of the grouting hole (5) is 150-200mm, and is less than or equal to half of the thickness of the basement structure bottom plate (2).