阅读说明：本技术 一种旧有水池侧壁开洞加固防漏的施工方法及结构 (Construction method and structure for reinforcing and preventing leakage of old pool side wall through hole opening ) 是由 王国武 周苏 王华巍 李双河 于建喆 王辉 于 2019-10-15 设计创作，主要内容包括：一种旧有水池侧壁开洞加固防漏的施工方法及结构,包括L型钢筋、钢防水套管、微膨二次灌浆料层,所述钢防水套管与L型钢筋焊接固定,L型钢筋与水池壁内钢筋焊接固定,在所述钢防水套管与水池壁洞口混凝土之间填充有微膨二次灌浆料层,水池壁洞口混凝土内壁上设有V型环槽,所述微膨二次灌浆料层嵌入V型环槽中。与现有技术相比,本发明的有益效果是：本发明的施工方法与传统施工方法相比,具有开洞小,加固方便,工程量小,减小工程量80％以上,使其防漏、防渗率提高90％,达到防漏、防渗、延长使用寿命的目的。(A construction method and a structure for reinforcing and preventing leakage of a hole in the side wall of an old pool comprise an L-shaped steel bar, a steel waterproof sleeve and a micro-expansion secondary grouting layer, wherein the steel waterproof sleeve is welded and fixed with the L-shaped steel bar, the L-shaped steel bar is welded and fixed with a steel bar in a pool wall, the micro-expansion secondary grouting layer is filled between the steel waterproof sleeve and concrete at the hole opening of the pool wall, a V-shaped annular groove is formed in the concrete inner wall at the hole opening of the pool wall, and the micro-expansion secondary grouting layer is embedded into the V-shaped annular groove. Compared with the prior art, the invention has the beneficial effects that: compared with the traditional construction method, the construction method has the advantages of small hole opening, convenient reinforcement, small engineering quantity, reduction of the engineering quantity by more than 80 percent, improvement of the leakage-proof and seepage-proof rate by 90 percent, and achievement of the purposes of leakage-proof, seepage-proof and service life prolonging.)

1. A construction method for reinforcing and preventing leakage of a hole formed in the side wall of an old pool is characterized by comprising the following steps:

1) firstly, chiseling a hole on the side wall of the pool, wherein the radius of the hole is 65-75 mm larger than that of the steel waterproof sleeve;

2) chiseling concrete on the tank wall at two ends of the hole to enable the two ends of the hole to be annular, leaking steel bars in the tank wall, wherein the leaking length of the steel bars in the tank wall is 180mm-200mm, and chiseling a plurality of V-shaped annular grooves in the inner wall of the hole;

3) inserting the steel waterproof sleeve with the water stop ring into the hole, and respectively welding and fixing the L-shaped steel bars with the steel bars in the pool wall and the steel waterproof sleeve;

4) and (4) adopting pressure grouting to the gap between the steel waterproof sleeve and the inner wall of the hole at two ends of the hole, and pouring the micro-expansion secondary grouting material.

2. The utility model provides a hole is opened to old pond lateral wall and is consolidated leak-proof construction structures, its characterized in that, including L type reinforcing bar, the waterproof sleeve pipe of steel, the secondary grout bed of slightly expanding, the waterproof sleeve pipe of steel and L type reinforcing bar welded fastening, L type reinforcing bar and pool wall in the reinforcing bar welded fastening have the secondary grout bed of slightly expanding between waterproof sleeve pipe of steel and the pool wall entrance to a cave concrete, be equipped with V type annular on the pool wall entrance to a cave concrete inner wall, the secondary grout bed of slightly expanding imbeds in the V type annular.

3. The reinforcing and leakage-proof construction structure for the side wall of the old pool according to claim 2, wherein water stop rings are arranged on two sides of the steel waterproof sleeve.

Technical Field

The invention relates to the field of industrial buildings, in particular to a construction method and a structure for reinforcing and preventing leakage of a hole formed in the side wall of an old pool.

Background

In industrial buildings, under the conditions that old common water tanks, acid water tanks, alkaline water tanks, oil tanks and the like need to be improved in process, holes are leaked, and the like, the holes need to be newly added on the side walls of the built water tanks so as to connect pipelines. According to the traditional method, after a hole is formed in the side wall of the water pool, a hidden beam and a hidden column are arranged at the hole for reinforcement. And arranging a waterproof sleeve, and paving a waterproof layer on the inner wall of the water tank. The method comprises the following steps: the arrangement of the hidden beam and the hidden column requires a large hole in an old water tank, increases the amount of engineering, and is not beneficial to seepage prevention and leakage prevention of the side wall; the waterproof layer laid on the inner wall and the joint of the sleeve at the hole cannot be completely bonded, so that water leakage and water seepage at the hole after the hole is opened cannot completely reach the safety standard of leakage prevention.

Disclosure of Invention

The invention aims to provide a construction method and a structure for reinforcing and preventing leakage of a hole in the side wall of an old water pool, and provides a construction method and a structure for reinforcing an added hole of the old water pool and designing leakage prevention and prevention, which are suitable for the hole opening of all the old water pools, have the characteristics of small hole opening, convenience in reinforcement, small engineering quantity, good leakage prevention and the like, and provide a new method for the hole opening of the old water pools.

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

a construction method for reinforcing and preventing leakage of a hole formed in the side wall of an old pool comprises the following steps:

1) firstly, chiseling a hole on the side wall of the pool, wherein the radius of the hole is 65-75 mm larger than that of the steel waterproof sleeve;

2) chiseling concrete on the tank wall at two ends of the hole to enable the two ends of the hole to be annular, leaking steel bars in the tank wall, wherein the leaking length of the steel bars in the tank wall is 180mm-200mm, and chiseling a plurality of V-shaped annular grooves in the inner wall of the hole;

3) inserting the steel waterproof sleeve with the water stop ring into the hole, and respectively welding and fixing the L-shaped steel bars with the steel bars in the pool wall and the steel waterproof sleeve;

4) and (4) adopting pressure grouting to the gap between the steel waterproof sleeve and the inner wall of the hole at two ends of the hole, and pouring the micro-expansion secondary grouting material.

The utility model provides a hole is opened to old pond lateral wall and is consolidated leak-proof construction structures, includes L type reinforcing bar, the waterproof sleeve pipe of steel, the secondary grout bed of slightly expanding, the waterproof sleeve pipe of steel and L type reinforcing bar welded fastening, reinforcing bar welded fastening in L type reinforcing bar and the pond wall it has the secondary grout bed of slightly expanding to fill between waterproof sleeve pipe of steel and the pond wall entrance to a cave concrete, is equipped with V type annular on the concrete inner wall of pond wall entrance to a cave, in the secondary grout bed of slightly expanding imbeds V type annular.

And water stop rings are arranged on two sides of the steel waterproof sleeve.

Compared with the prior art, the invention has the beneficial effects that:

the invention achieves the purpose of reinforcement by changing the hole opening mode of the hole opening and utilizing the common stress of the waterproof casing and the original steel bars of the pool wall.

The inner side of the steel waterproof sleeve is provided with a hole with a V-shaped ring groove and a steel waterproof sleeve with a water stop ring, and the two structures have the functions of seepage prevention and leakage prevention. Through pouring the two-shot grouting material of slight expansion between the opening that has V type annular in the inboard and the steel waterproof casing pipe that has the seal ring, make its three fully combine, can play better prevention of seepage, leak protection effect, can effectual extension this structure's life moreover.

Compared with the traditional construction method, the construction method has the advantages of small hole opening, convenient reinforcement, small engineering quantity, reduction of the engineering quantity by more than 80 percent, improvement of the leakage-proof and seepage-proof rate by 90 percent, and achievement of the purposes of leakage-proof, seepage-proof and service life prolonging.

Drawings

Fig. 1 is a schematic structural view of the present invention.

In the figure: 1. a micro-expansion secondary grouting material layer, 2. V-shaped ring grooves, 3. L-shaped reinforcing steel bars, 4. a hole, 5. water pool wall inner reinforcing steel bars, 6. a steel waterproof sleeve and 7. a water stop ring.

Detailed Description

The following further describes embodiments of the present invention with reference to the accompanying drawings:

referring to fig. 1, a construction method for reinforcing and preventing leakage by forming a hole in the side wall of an old pool comprises the following steps:

1) firstly, chiseling a hole on the side wall of the pool, wherein the radius of the hole is 65-75 mm larger than that of the steel waterproof sleeve 6;

2) chiseling concrete on the tank walls at two ends of the hole to enable the two ends of the hole to be annular and to leak out of the reinforcing steel bars 5 in the tank wall, wherein the leaking length of the reinforcing steel bars 5 in the tank wall is 180mm-200mm, and chiseling a plurality of V-shaped annular grooves 2 on the inner wall of the hole;

3) then inserting the steel waterproof sleeve 6 with the water stop ring 7 into the hole 4, and welding and fixing the L-shaped steel bar 3 with the steel bar 5 in the pool wall and the steel waterproof sleeve 6 respectively;

4) and (3) grouting the gap between the steel waterproof sleeve 6 and the inner wall of the hole at two ends of the hole by adopting pressure, and pouring the micro-expansion secondary grouting material.

The micro-expansion secondary grouting material is pressed and then embedded into the V-shaped ring groove 2 on the inner wall of the hole, so that a plurality of V-shaped anchoring structures surrounding along the circumferential direction are formed between the solidified micro-expansion secondary grouting material layer 1 and the original concrete of the hole, and the chiseled part around the hole is firmly blocked to form a tight water sealing structure.

The utility model provides a hole is opened to old pond lateral wall and is consolidated leak-proof construction structures, includes L shaped steel bar 3, steel waterproof sleeve 6, the secondary grout bed of material that slightly expands 1, steel waterproof sleeve 6 and L shaped steel bar 3 welded fastening, L shaped steel bar 3 and the pool wall in reinforcing bar 5 welded fastening it has the secondary grout bed of material that slightly expands 1 to fill between steel waterproof sleeve 6 and the pool wall entrance to a cave concrete, be equipped with V type annular 2 on the pool wall entrance to a cave concrete inner wall, slightly expand secondary grout bed of material 1 embedding V type annular 2.

And water stop rings 7 are arranged on two sides of the steel waterproof casing 6. The thickness of the steel waterproof sleeve 6 is not less than 1.5 times of the diameter of the steel bar. The steel waterproof sleeve 6 is welded and fixed with the reinforcing steel bars 5 in the pool wall through the L-shaped reinforcing steel bars 3, and the functions of reinforcing the pool wall and fixing the sleeve are achieved. And water stop rings 7 at two ends of the steel waterproof sleeve 6 are buckled outside the micro-expansion secondary grouting material layer 1 and are tightly combined and fixed with the condensed micro-expansion secondary grouting material layer 1 to form a water sealing layer and protect right angles of the end wall of the hole.