阅读说明：本技术 一种防水涂料的施工方法 (Construction method of waterproof paint ) 是由 张中良 于 2020-10-30 设计创作，主要内容包括：本发明公开一种防水涂料的施工方法,涉及建筑材料技术领域,旨在解决防水涂料在施工时,拱脚处喷涂不均匀导致整体结构质量较差的问题,其技术方案要点是：步骤1,将管状隧道的外周壁通过水枪清洗干净,并将表面整平；步骤2,在坑岸上利用喷涂装置,在管状隧道的外周壁上喷涂粘合剂,在拱腰处,沿着管状隧道的长度方形,从前到后,再从后到前往复喷涂两次,粘合剂沿着管状隧道的外周壁的弧度滑落至拱脚处；步骤3,利用喷涂装置,在管状隧道的外周壁上喷涂润滑剂,形成润滑层。本发明通过在管状隧道的外周壁涂覆粘合层以及润滑层,再涂覆防水涂料时可以顺着外周壁的弧度滑落至底部,使得拱腰至拱脚处能够均匀涂覆防水涂料。(The invention discloses a construction method of a waterproof coating, relates to the technical field of building materials, and aims to solve the problem that the overall structure quality is poor due to uneven spraying of an arch springing part when the waterproof coating is constructed, wherein the technical scheme is as follows: step 1, cleaning the outer peripheral wall of a tubular tunnel by a water gun, and leveling the surface; step 2, spraying an adhesive on the outer peripheral wall of the tubular tunnel by using a spraying device on the pit bank, wherein the adhesive is sprayed on the arch waist in a reciprocating manner twice from front to back and along the length of the tubular tunnel, and slides to the arch foot along the radian of the outer peripheral wall of the tubular tunnel; and 3, spraying a lubricant on the outer peripheral wall of the tubular tunnel by using a spraying device to form a lubricating layer. According to the invention, the outer peripheral wall of the tubular tunnel is coated with the bonding layer and the lubricating layer, and when the tubular tunnel is coated with the waterproof coating, the waterproof coating can slide to the bottom along the radian of the outer peripheral wall, so that the waterproof coating can be uniformly coated from the arch waist to the arch foot.)

1. A construction method of waterproof paint is characterized in that:

step 1, cleaning the outer peripheral wall of the tubular tunnel (3) by a water gun, laying non-woven fabrics on the outer peripheral wall of the tubular tunnel (3), and leveling the outer peripheral wall of the tubular tunnel (3) by using the non-woven fabrics;

step 2, spraying an adhesive on the outer peripheral wall of the tubular tunnel (3) by using a spraying device on one side of the pit bank (2), wherein the adhesive is sprayed on the arch crown (4) in a reciprocating manner twice from front to back and from back to front along the length of the tubular tunnel (3), and the adhesive slides to the arch foot (6) along the radian of the outer peripheral wall of the tubular tunnel (3) to form an adhesive layer;

step 3, spraying a lubricant on the outer peripheral wall of the tubular tunnel (3) by using the spraying device, wherein the lubricant is sprayed on the arch crown (4) in a reciprocating manner twice from front to back along the square length of the tubular tunnel (3), and slides to the arch foot (6) along the radian of the outer peripheral wall of the tubular tunnel (3) to form a lubricating layer;

step 4, spraying waterproof paint on the outer peripheral wall of the tubular tunnel (3) by using a spraying device, spraying the waterproof paint on the arch crown (4) in a reciprocating manner three times from front to back along the length square of the tubular tunnel (3), and enabling the waterproof paint to slide to the arch foot (6) along the radian of the outer peripheral wall of the tubular tunnel (3) to finish the coating of the waterproof paint;

step 5, after the step 2 to the step 4 are completed, the worker arrives at the other side of the pit bank (2), and the step 2 to the step 4 are repeated;

and 6, drying for more than 24 hours, and finally completing pit filling.

2. The method of claim 1, wherein the waterproof coating comprises: the adhesive is prepared by mixing polyvinyl alcohol and water in a ratio of 8:2 and adding a trace amount of formaldehyde.

3. The method of claim 2, wherein the waterproof coating comprises: and (4) simultaneously performing the steps 2 to 4, and simultaneously performing air injection from the arch waist (5) to the arch foot (6) by using the air pipe.

Technical Field

The invention relates to the technical field of building materials, in particular to a construction method of a waterproof coating.

Background

In the present engineering, most of the surfaces of engineering structures need to be coated with waterproof coatings to prevent moisture from entering the engineering structures to damage the structures, and tunnels are engineering buildings buried in the ground and are a form of underground space used by human beings. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel.

The existing underwater tunnel generally adopts an open cut method, drains water, digs a pit, and then is constructed to form a large tubular tunnel, and finally fills the pit, as shown in fig. 1, the tunnel comprises the pit, a pit bank and a tubular tunnel arranged in the pit, the tubular tunnel and the inner wall of the pit form an arch structure, the arch structure comprises an arch crown, an arch waist and an arch foot, in order to prevent water vapor from entering the engineering structure to damage the structure, a waterproof coating needs to be coated on the outer wall of the tubular tunnel before filling the pit, the arch structure formed by the tubular tunnel and the pit bottom can not be uniformly sprayed when coating the outer peripheral wall between the arch waist and the arch foot, and workers need to enter the pit because the pit is deep, the construction of the workers in the pit is unsafe and inconvenient.

Therefore, a new solution is needed to solve this problem.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a method for applying a waterproof coating material.

The technical purpose of the invention is realized by the following technical scheme: a construction method of waterproof paint comprises the following steps of 1, cleaning the outer peripheral wall of a tubular tunnel by a water gun, laying non-woven fabrics on the outer peripheral wall of the tubular tunnel, and leveling the outer peripheral wall of the tubular tunnel by using the non-woven fabrics;

step 2, spraying an adhesive on the outer peripheral wall of the tubular tunnel by using a spraying device on one side of the pit bank, wherein the adhesive is sprayed on the arch top twice in a reciprocating manner from front to back and along the length of the tubular tunnel, and slides to the arch springing along the radian of the outer peripheral wall of the tubular tunnel to form an adhesive layer;

step 3, spraying a lubricant on the outer peripheral wall of the tubular tunnel by using the spraying device, wherein the lubricant is sprayed on the arch top twice in a reciprocating manner from front to back along the length of the tubular tunnel in a square manner, and slides to the arch foot along the radian of the outer peripheral wall of the tubular tunnel to form a lubricating layer;

step 4, spraying waterproof paint on the outer peripheral wall of the tubular tunnel by using a spraying device, spraying the waterproof paint on the arch top three times in a reciprocating mode from front to back and from back to front along the square length of the tubular tunnel, enabling the waterproof paint to slide to the arch foot along the radian of the outer peripheral wall of the tubular tunnel, and finishing the coating of the waterproof paint;

and 5, after the steps 2 to 4 are completed, the worker arrives at the other side of the pit bank, and the steps 2 to 4 are repeated.

And 6, drying for more than 24 hours, and finally completing pit filling.

By adopting the technical scheme, firstly, the outer surface of the tubular tunnel is cleaned by using a water gun, so that garbage attached to the surface is cleaned, the surface is smoother, then a worker sprays adhesive on a pit bank by using a spraying device, the adhesive is sprayed on the arch waist part along the length direction of the tubular tunnel and is sprayed to and fro twice from front to back, the adhesive slides to the arch foot part along the radian of the outer peripheral wall of the tubular tunnel, so that the outer peripheral wall of the tubular tunnel is fully covered with the adhesive, then the spraying device is used for spraying the lubricant on the outer peripheral wall of the tubular tunnel, the lubricant is sprayed to and fro twice from back to front along the length direction of the tubular tunnel at the arch waist part, the lubricant slides to the arch foot part along the radian of the outer peripheral wall of the tubular tunnel, so that a lubricating layer is attached to the surface of the adhesive, the friction force is reduced, and then the spraying device is used, and (3) spraying waterproof paint on the outer peripheral wall of the tubular tunnel, wherein the waterproof paint is square at the arch waist part along the length of the tubular tunnel, is sprayed for three times from front to back and then from back to front in a reciprocating manner, and due to the fact that the surface friction force of the lubricating layer is small, the waterproof paint slides to the arch foot part along the radian of the outer peripheral wall of the tubular tunnel to finish the coating of the waterproof paint, and after standing for 24 hours, the coating of the waterproof paint is finished, and finally the landfill is finished.

The invention is further configured to: the adhesive is prepared by mixing polyvinyl alcohol and water in a ratio of 8:2 and adding a trace amount of formaldehyde.

By adopting the technical scheme, the adhesive is formed by mixing the polyethylene glycol and the water according to the proportion of 8:2 and adding a trace amount of formaldehyde, so that the adhesive has better adhesive effect and can adapt to liquid lubricating oil, and the pungent odor of the polyethylene glycol and the formaldehyde can be diluted by adding the water for mixing.

The invention is further configured to: and (4) simultaneously performing the steps 2 to 4, and simultaneously performing air injection from the arch waist to the arch foot by using the air pipe.

Adopt above-mentioned technical scheme, through going on in step 2 to step 4, utilize the trachea to jet-blast from hunch waist department toward hunch foot department, and remove along with spray coating device's removal, can make adhesive, lubricating oil and water proof coating along the radian of the periphery wall in tubular tunnel when hunch waist landing to hunch foot department, the material can laminate tubular tunnel's periphery wall more for the coating is more even.

In conclusion, the invention has the following beneficial effects:

the staff can carry out the spraying on the hole bank, need not enter into the hole in, make the construction safer, it is convenient, scribble the adhesive on the periphery wall in tubular tunnel, increase the adhesion, make when spouting lubricating oil again, lubricating oil can be permanent remain on the surface of adhesive, after having sprayed lubricating oil, spout water proof coating again, water proof coating follows vault landing to hunch foot department along the radian of the periphery wall in tubular tunnel, make the staff need not enter into the hole, also can make water proof coating scribble the hunch waist to hunch foot department of the periphery wall in tubular tunnel, make the construction safer, and convenient.

Drawings

Fig. 1 is a schematic structural diagram of the prior art.

Reference numerals: 1. deep pit; 2. a pit and a bank; 3. a tubular tunnel; 4. a dome; 5. arching; 6. and (4) arch springing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A construction method of waterproof paint comprises the following steps:

step 1, firstly, cleaning the outer surface of a tubular tunnel 3 by using a water gun to clean garbage attached to the surface, laying non-woven fabrics on the outer peripheral wall of the tubular tunnel 3, rolling a non-woven fabric roll from a vault to two sides to an arch foot 6 along the radian of the outer peripheral wall of the tubular tunnel 3 at the vault 4, and leveling the outer peripheral wall of the tubular tunnel 3 by using the non-woven fabrics;

step 2, a worker utilizes a spraying device on the pit bank 2 on one side, the spraying device adopts a spray gun to spray an adhesive, the adhesive is formed by mixing polyvinyl alcohol and water according to the proportion of 8:2 and adding a trace amount of formaldehyde, so that the adhesive effect of the adhesive is better, the pungent smell of the polyvinyl alcohol and the formaldehyde can be diluted by adding water for mixing, the spraying is performed twice in a reciprocating manner from front to back along the length direction of the tubular tunnel 3 at the arch crown 4 and from back to front, in the spraying process, air is sprayed from the arch waist 5 to the arch foot 6 by using an air pipe, the adhesive moves along with the movement of the spraying device, the adhesive slides to the arch foot 6 along the radian of the outer peripheral wall of the tubular tunnel 3, so that the outer peripheral wall of the tubular tunnel 3 is fully distributed with the adhesive to form an adhesive layer, the adhesive is liquid, and the non-woven fabric occupies the adhesive through the force of the spray gun and the force of, the non-woven fabric is more attached to the outer peripheral wall of the tubular tunnel 3, so that the outer peripheral wall of the tubular tunnel 3 is smoother;

step 3, spraying a lubricant on the outer peripheral wall of the tubular tunnel 3 by using a spraying device, spraying the lubricant on the arch 5 from the front to the back and from the back to the front in a reciprocating manner twice along the length of the tubular tunnel 3, wherein in the spraying process, the air pipe is used for spraying air from the arch 5 to the arch 6 and moving along with the movement of the spraying device, so that the lubricant slides to the arch 6 along the radian of the outer peripheral wall of the tubular tunnel 3, and the adhesive is made of polyethenol and can adapt to liquid lubricant, so that the lubricant can be kept on the surface of a bonding layer formed by the adhesive for a long time, a layer of lubricating layer is adhered to the surface of the adhesive, and the friction force is reduced;

step 4, spraying waterproof paint on the outer peripheral wall of the tubular tunnel 3 by using a spraying device, wherein the waterproof paint can be polymer cement waterproof paint which is prepared by adding a proper amount of 3-glycidyl ether propyl methyl diethoxy silane into the mixture of liquid material and powder material, the liquid material is pure acrylate emulsion, the powder material is prepared by adding a proper amount of 3-glycidyl ether propyl methyl diethoxy silane into the mixture of soluble starch, polyvinylpyrrolidone K30 and water according to the proportion of 3:1:5, drying the mixture to form powder material, spraying the powder material on the arch waist 5 from the arch waist 5 to the arch foot 6 in a reciprocating mode from front to back and from back to front, in the spraying process, spraying air from the arch waist 5 to the arch foot 6 by using an air pipe, moving along with the movement of the spraying device, and sliding the waterproof paint to the arch foot 6 along the radian of the outer peripheral wall of the tubular tunnel 3 due to the small surface friction force of the surface of the lubricating, finishing the coating of the waterproof coating;

step 5, after the step 2 to the step 4 are completed, the worker arrives at the pit bank 2 on the other side, and the step 2 to the step 4 are repeated;

and 6, standing for 24 hours, finishing coating the waterproof coating, and finally finishing landfill.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.