CN110847122A - Water stopping method for concrete structure deformation joint - Google Patents
Water stopping method for concrete structure deformation joint Download PDFInfo
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- CN110847122A CN110847122A CN201910955814.3A CN201910955814A CN110847122A CN 110847122 A CN110847122 A CN 110847122A CN 201910955814 A CN201910955814 A CN 201910955814A CN 110847122 A CN110847122 A CN 110847122A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
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- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
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- E02D31/04—Watertight packings for use under hydraulic pressure
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- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
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- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a water stopping method for a deformation joint of a concrete structure. The water stopping method comprises the steps of embedding a foam plate on a template of a deformation joint first-pouring block, taking out the foam plate after pouring concrete, forming a cavity on the deformation joint first-pouring block, embedding half of the thickness of an expansion water stopping plate in the cavity, enabling the other half of the thickness of the expansion water stopping plate to protrude out of the cavity, fixing the expansion water stopping plate protruding out of the cavity on the surface of the deformation joint first-pouring concrete block by a pressing plate, and pouring the concrete block after the installation by adopting the concrete to pour the deformation joint, so that the construction of embedding the expansion water stopping plate into a concrete cave at the deformation joint is completed, the water stopping method utilizes the characteristic that the expansion water stopping plate expands and deforms when meeting water, the expansion water stopping plate expands when meeting the water, extrudes two sides of the deformation joint to prevent water from seeping and passing through, and achieves the purpose of stopping water, thereby solving the problems that a water stopping belt is torn due to uneven settlement or deformation of, causing the problem of water leakage of the deformation joint.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to a water stopping method for a deformation joint of a concrete structure.
Background
Because of the requirements of concrete temperature control, the difference of the stress state of the structure or the structural design requirements of the structure, when the concrete is poured, the concrete is usually divided into a plurality of sections for construction, so that gaps exist between the adjacent sections of the concrete, wherein when the same structure is constructed on different foundations due to large difference of height and low, uneven upper load distribution or the construction, in order to avoid uneven settlement occurring at the parts with larger load difference or larger foundation bearing capacity difference on the concrete foundation, settlement seams are arranged between the two adjacent pieces of concrete; the expansion joint, the settlement joint and the expansion joint are commonly called deformation joints and deform along with the temperature change or the stress change, and are called as 'living joints', because the deformation joints required to be arranged among the concrete blocks according to the technical requirements exist, the water stop design is carried out on the concrete water passing structure or the underground structure.
In the prior art, a deformation joint usually adopts a mode of arranging a waterstop for water stopping, the waterstop is generally made of copper sheets, stainless steel sheets, rubber and plastic materials, when concrete is poured, the waterstop made of the materials is divided into two sides of a waterstop strip by a template of a first pouring section, the plane of the waterstop is perpendicular to the two sides of the deformation joint, the central axis of the waterstop is consistent with the central axis of the deformation joint, protection and fixing measures are taken for the waterstop exposed out of the template, when the first pouring section is poured, the waterstop on one side in the template is buried into the first pouring concrete section along with the concrete, after the first pouring section concrete is removed from the template, the waterstop exposed on one side of the template is checked and accepted, the damaged waterstop is repaired and accepted, then the post pouring section concrete is constructed, the other side of the waterstop is buried into the post pouring concrete section, and the waterstop is uniformly distributed in two adjacent concrete sections, the water stopping device is characterized in that a gap is closed, water on the upstream surface of a structure is prevented from leaking to the other surface of the concrete structure from the gap between two adjacent sections, a settlement joint and an expansion joint are deformed possibly, a certain expansion amount needs to be reserved for the water stopping belt in a special manufacturing mode, if the water stopping belt is made into a U shape at the central axis of the deformation joint and filled in the U-shaped groove by adopting an asphalt hemp rope, and the U-shaped groove is matched with the deformation joint through deformation when the deformation joint is contracted or expanded, so that water is prevented from being pulled out and broken, the water stopping effect is prevented from being influenced by the deformation of the gap, and the water stopping mode is adopted for underground facilities, tunnel culverts, water conveying aqueducts, water retaining dams, liquid storage structures and the like.
For example, the invention patent with Chinese patent publication No. CN108894255A discloses a water stopping method for deformation joints of underground concrete structures, which can be applied to seepage-proofing water stopping engineering of deformation joints of bottom plates, wall plates and top plates of all underground cast-in-place concrete structures, and comprises the following steps: the two sides above the deformation joint are respectively provided with special-shaped water stop plates, the minimum distance between the special-shaped water stop plates at the two sides corresponds to the preset width d of the deformation joint, and the special-shaped water stop plate at each side comprises a transverse short plate, an inclined long plate, a transverse long plate and an inclined short plate; and the connecting piece is arranged on the inclined long plate at each side; after the special-shaped water stop plates on the two sides are installed, pouring forming, maintaining and formwork removing are carried out on the concrete structure, then special-shaped rubber water stops are installed along the inner walls of the inclined long plates on the two sides, each special-shaped rubber water stop comprises two inclined edge portions and a groove-shaped bottom, the special-shaped rubber water stops are pressed and attached to the inner walls of the inclined long plates in a pressing mode through pressing plates, fasteners and connecting pieces in a matched mode, and finally the cover seam plates are fixed on the special-shaped water stop plates on the two sides in a covering mode through the fixing piece cover seam plates.
The prior art has at least the following problems:
in the prior art, the water stop belt is torn due to uneven settlement or deformation of a structure, the lap joint is welded insecure, the protection is not in place after construction, and the water stop belt is damaged to penetrate a hole, so that deformation joint water leakage is caused.
Aiming at the problems that in the prior art, a water stop belt is torn due to uneven settlement or deformation of a structure, a lap joint is not welded firmly, the protection is not in place after construction, and a through hole is damaged, so that deformation joint water leakage is caused, an effective solution is not provided at present.
Disclosure of Invention
The invention aims to provide a water stopping method for a deformation joint of a concrete structure, aiming at the defects of the prior art.
The water stopping method comprises the following steps:
And 2, adopting a concrete pouring deformation joint to cast the concrete block in advance, adopting a resiliometer to detect the concrete strength of the deformation joint cast-in-advance concrete block, and dismantling the template on one side of the deformation joint cast-in-advance concrete block when the concrete strength reaches 70% of the designed strength.
And 3, taking out the foam board pre-embedded in the deformation joint cast-in-place concrete block, cleaning the formed groove, and repairing the missing part of the groove by adopting concrete.
And 4, isolating water which can enter the groove by using a water-stop strip.
And 5, baking the wet operation surface of the groove by adopting a blast burner, wherein the residence time of each part in the baking process is less than 3 s.
And 6, coating 1-2 epoxy solutions in the dried groove for sealing treatment.
And 7, manufacturing an expansion water stop plate, wherein the expansion water stop plate adopts two layers of rubber plates as an outer package and an expansion water stop rubber sandwiched between the two layers of rubber plates, and the thickness of the expansion water stop rubber is 2-3 cm.
And 8, preparing the two-component non-sagging polysulfide sealant, preparing the A group white main agent and the B group black curing agent according to the mass ratio of 100:10, opening a packaging barrel cover of the A group white main agent, adding the B group black curing agent into a packaging barrel of the A group white main agent, and uniformly stirring and mixing by using an electric hand drill.
And 9, when the epoxy base liquid in the groove is pressed and lifted to be in a wire hanging shape, filling the groove with the two-component non-sagging polysulfide sealant, abutting the expansion water-stop plate with the two-component non-sagging polysulfide sealant in the groove to form a cover, fixing the cover in the groove, and protruding the expansion water-stop plate on the surface of the precast concrete block at the deformation joint.
And step 10, fixing the expansion water stop plate on the precast concrete block at the deformation joint along the edge of the expansion water stop plate by adopting expansion bolts and a steel pressing plate.
And 11, filling a gap between the expansion water stop plate and the surface of the deformation joint cast-in-place concrete block by using the double-component non-sagging polysulfide sealant, and filling and sealing until the gap is flush with the surface of the deformation joint cast-in-place concrete block.
And step 12, covering the surface of the filled two-component non-sagging polysulfide sealant by using an adhesive tape.
And step 13, pouring the other side of the concrete block after pouring the deformation joint by adopting concrete.
Further, in the step 1, the depth of the foam board embedded in the deformation joint cast-in-place concrete block is not less than 10cm from the exposed surface of the deformation joint cast-in-place concrete block.
Further, in step 1, the foam board is composed of the following raw materials in parts by weight:
67 parts of low-density polyethylene,
11 parts of azodicarbonamide,
18 parts of organic silicon resin, namely 18 parts of organic silicon resin,
0.4 part of chloroplatinic acid,
3 parts of dicumyl peroxide, namely dicumyl peroxide,
13 parts of modified filler, namely 13 parts of modified filler,
1 part of zinc stearate, namely zinc stearate,
15 parts of mirabilite, namely 15 parts of,
3 parts of pentaerythritol ester, namely 3 parts of pentaerythritol ester,
4 parts of phenyl o-hydroxybenzoate,
4 parts of a vulcanizing agent, namely 4 parts of,
13 parts of magnesium silicate.
Further, in step 6, the epoxy base fluid is prepared by mixing epoxy resin, a diluent and a curing agent in a mass ratio of 10:3.5: 2.5.
Further, in step 7, the swelling water-stopping rubber is composed of the following raw materials in parts by weight:
90 parts of natural rubber, namely natural rubber,
40 parts of super absorbent resin,
13 parts of ethylene-propylene-diene monomer rubber,
3 parts of zinc oxide, namely zinc oxide,
2 parts of sulfur, namely adding 2 parts of sulfur,
1 part of benzothiazole disulfide,
0.5 part of stearic acid, namely,
50 parts of calcium carbonate, namely calcium carbonate,
10 parts of vaseline.
Further, in step 9, when the expansion water stop plate is lapped with the two-component non-sagging polysulfide sealant of the groove, the joint surface of the expansion water stop plate and the two-component non-sagging polysulfide sealant is cut into a wedge-shaped inclined surface, and a layer of epoxy base liquid is smeared on the joint surface to smoothly press.
Compared with the prior art, the water stopping method has the following remarkable advantages:
1, the expansion sealing plate seals and forms "expansion stopper" formula stagnant water mode in the cavity of movement joint department, and the expansion sealing plate is independent relatively with the concrete, has avoided traditional movement joint stagnant water structure to produce the destruction that stress and cause the expansion sealing plate when the concrete production subsides, displacement because of its interlock connection each other, and the stagnant water is more reliable.
2, after the expansion water stop plate meets water, the expansion water stop rubber in the middle generates 2-3 times of expansion deformation, can be filled with all irregular surfaces, cavities and gaps at deformation joints, generates contact pressure simultaneously, thoroughly prevents leakage, and has obvious effect.
3, the expansion water stop plate is arranged on the surface of the deformation joint cast-in-advance concrete block, so that the construction and the inspection are convenient, and conditions are created for repairing and replacing the expansion water stop plate after the structure is aged and failed.
4, after the traditional waterstop structure is arranged and the direction is rotated by 90 degrees, the thickness of the expansion waterstop in the deformation joint reaches 8-10cm along the osmotic pressure action direction, the width of 6-10cm can be adjusted by rubber expansion, and the expansion waterstop can adapt to the settlement and the telescopic deformation of the deformation joint more than the traditional waterstop.
5, the thickness of the traditional waterstop along the action direction of osmotic pressure is less than 1cm, a small hole on the waterstop often forms 'one-point breakthrough, namely, complete breakthrough', and the waterstop is easy to fail.
Drawings
Fig. 1 is a schematic view of an installation of an expansion water stop plate of the water stopping method of the invention;
fig. 2 is a schematic view of the burying of the foam board in the water stopping method of the present invention.
Description of reference numerals:
1-casting a concrete block in advance at a deformation joint, 2-casting a concrete block after the deformation joint, 3-casting a concrete exposed surface in advance at the deformation joint, 4-deformation joint, 5-epoxy base liquid, 6-two-component non-sagging polysulfide sealant, 7-expansion water stop plate, 8-steel pressure plate, 9-expansion bolt, 10-foam plate, 11-template and 12-groove.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
As shown in fig. 1 and 2, the water stopping method includes:
And 2, adopting a concrete pouring deformation joint cast-in-advance concrete block 1, adopting a resiliometer to detect the concrete strength of the deformation joint cast-in-advance concrete block 1, when the concrete strength reaches 70% of the designed strength, removing the template 11 on one side of the deformation joint cast-in-advance concrete block 1, and enabling the depth of the foam board 10 embedded in the deformation joint cast-in-advance concrete block 1 to be not less than 10cm from the exposed surface 3 of the deformation joint cast-in-advance concrete block.
And 3, taking out the foam board 10 pre-embedded in the deformation joint cast-in-place concrete block 1, cleaning the formed groove 12, and repairing the missing part of the groove 12 by adopting concrete.
And 4, isolating water which can enter the groove 12 by using a water-stop strip (not shown in the figure), wherein the water-stop strip is formed by stacking sand bags, and the stacking height and width of the sand bags are 10cm and 10cm, so that open water is prevented from flowing into the operation surface, and water flow is prevented from entering in the installation process of the water-stop plate.
And 5, baking the wet working surface of the groove 12 by adopting a blast burner, wherein the residence time of each part in the baking process is less than 3 s.
And 6, coating 1-2 epoxy base liquids 5 in the dried groove 12 for sealing treatment, wherein the coating area of the epoxy base liquids 5 is three surfaces of the groove 12, namely a bottom surface with the width of 8-10cm and two side surfaces with the groove depth of 3-5cm at two sides, the thickness of each epoxy base liquid coating layer is 1-3 mu m, the epoxy base liquids 5 are prepared by mixing epoxy resin, a diluent and a curing agent according to the mass ratio of 10:3.5:2.5, the diluent adopts acetone, and the curing agent adopts T-31 curing agent, so that water seepage is prevented from permeating to the surface of concrete, and the two-component non-sagging polysulfide sealant 6 is convenient to dry and form a film.
And 7, manufacturing an expansion water stop plate 7, wherein the expansion water stop plate 7 is formed by using two layers of rubber plates as outer packages and clamping expansion water stop rubber in the middle in a customized mode, and the thickness of the expansion water stop rubber is 2-3 cm.
Step 8, preparing a two-component non-sagging polysulfide sealant 6, preparing a group A white main agent and a group B black curing agent according to the mass ratio of 100:10, opening a packaging barrel cover of the group A white main agent, adding the group B black curing agent into a packaging barrel of the group A white main agent, uniformly mixing by stirring with an electric hand drill, welding a screw at the drill bit end of the electric hand drill during stirring, uniformly welding three round steel strips with the length of about 6-8cm on the screw, wherein the diameter of each round steel strip is 6-8mm, driving the drill bit and the round steel strips to rotate by the electric hand drill for stirring, observing whether bubbles in the mixture are discharged during stirring, taking out the electric hand drill after the mixture is uniform in color, checking by using an ash splitting knife, and when no bubbles appear on the surface of the mixture by using an ash splitting knife, uniformly mixing, wherein the group A white main agent is liquid polysulfide rubber, the B group black curing agent is tackifying resin.
And 9, when the epoxy base liquid 5 in the groove 12 is pressed and lifted to be in a wire hanging shape, filling the groove 12 with the two-component non-sagging polysulfide sealant 6, filling 2-3cm, abutting an expansion water stop plate 7 with the thickness of 3-4cm and the width of 6-8cm against the two-component non-sagging polysulfide sealant 6 in the groove 12 to form a cover, fixing the cover in the groove 12, protruding the expansion water stop plate 7 out of the deformation joint, casting the concrete block 1 in advance, protruding by 2cm, and lapping the expansion water stop plate 7 with the two-component non-sagging polysulfide sealant 6 in the groove 12, cutting a joint surface of the expansion water stop plate 7 and the two-component non-sagging polysulfide sealant 6 into an inclined plane block wedge, smearing a layer of the epoxy base liquid 5 on the joint surface, and pressing smoothly.
And step 10, fixing the expansion water stop plate 7 on the deformation joint cast-in-place concrete block 1 by adopting expansion bolts 9 and a steel pressure plate 8 with the thickness of 3mm along the edge of the expansion water stop plate 7, wherein the arrangement distance of the expansion bolts 9 is 50-100 cm.
And 11, filling a gap between the expansion water stop plate 7 and the surface of the deformation joint cast-in-place concrete block 1 by using the two-component non-sagging polysulfide sealant 6, and filling and sealing until the gap is flush with the surface of the deformation joint cast-in-place concrete block 1.
And step 12, covering and protecting the surface of the filled two-component non-sagging polysulfide sealant 6 by using an adhesive tape.
And step 13, pouring the other side of the concrete block 2 after pouring the deformation joint by adopting concrete.
Further, in step 1, the foam board 10 is composed of the following raw materials in parts by weight:
67 parts of low-density polyethylene,
11 parts of azodicarbonamide,
18 parts of organic silicon resin, namely 18 parts of organic silicon resin,
0.4 part of chloroplatinic acid,
3 parts of dicumyl peroxide, namely dicumyl peroxide,
13 parts of modified filler, namely 13 parts of modified filler,
1 part of zinc stearate, namely zinc stearate,
15 parts of mirabilite, namely 15 parts of,
3 parts of pentaerythritol ester, namely 3 parts of pentaerythritol ester,
4 parts of phenyl o-hydroxybenzoate,
4 parts of a vulcanizing agent, namely 4 parts of,
13 parts of magnesium silicate.
Further, in step 7, the swelling water-stopping rubber is composed of the following raw materials in parts by weight:
90 parts of natural rubber, namely natural rubber,
40 parts of super absorbent resin,
13 parts of ethylene-propylene-diene monomer rubber,
3 parts of zinc oxide, namely zinc oxide,
2 parts of sulfur, namely adding 2 parts of sulfur,
1 part of benzothiazole disulfide,
0.5 part of stearic acid, namely,
50 parts of calcium carbonate, namely calcium carbonate,
10 parts of vaseline.
Further, when the groove 12 is not formed by embedding the foam board 10, the groove 12 is formed by sawing the cast deformation joint cast-in-advance concrete block 1, the groove 12 is filled with the two-component non-sagging polysulfide sealant 6 and the expansion water stop board 7 to form a water stop board, in order to avoid long-term exposure and damage of the water stop board strip, the exposed part of the expansion water stop board 7 is covered and protected by a steel pressing board 8, and the steel pressing board 8 is anchored on the deformation joint cast-in-advance concrete block 1 by the expansion bolt 9.
Further, when the groove 12 is not formed by embedding the foam board 10, the groove 12 is formed by sawing the cast deformation joint cast-in-advance concrete block 1, the groove 12 is filled with the two-component non-sagging polysulfide sealant 6 and the expansion water stop board 7 to form the water stop board, in order to avoid long-term exposure and damage of the water stop board, a glass fiber reinforced plastic (not shown in the figure) protection mode is adopted for the exposed part of the water stop board, a layer of epoxy base liquid 5 is brushed on the surface of the exposed water stop board, then glass fiber cloth with the width of 20cm is paved and is bonded with two sides of the deformation joint, a layer of epoxy base liquid 5 is brushed on the surface of the glass fiber cloth for protection, and the exposed part of the water stop board is protected by adding 5 layers of epoxy base liquid on 1-3 layers of glass fiber cloth layers.
The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the present invention, and various modifications and changes can be made by those skilled in the art without departing from the spirit and principle of the present invention, and any modifications, equivalents, improvements, etc. should be included in the scope of the claims of the present invention.
Claims (6)
1. A water stopping method for a concrete structure deformation joint is characterized by comprising the following steps:
step 1, fixing a foam board (10) on a template (11) on one side of a deformation joint cast-in-advance concrete block (1) along the length direction of the joint, wherein the length of the foam board (10) is the same as that of a deformation joint (4);
step 2, adopting a concrete pouring deformation joint cast-in-advance concrete block (1), adopting a resiliometer to detect the concrete strength of the deformation joint cast-in-advance concrete block (1), and dismantling a template (11) on one side of the deformation joint cast-in-advance concrete block (1) when the concrete strength reaches 70% of the designed strength;
step 3, taking out the foam board (10) pre-embedded in the deformation joint cast-in-place concrete block (1), cleaning the formed groove (12), and repairing the missing part of the groove (12) by adopting concrete;
step 4, isolating water which can enter the groove (12) by using a water-stop strip;
step 5, baking the wet working surface of the groove (12) by adopting a blast burner, wherein the retention time of each position in the baking process is less than 3 s;
step 6, coating 1-2 epoxy base liquids (5) in the dried groove (12) for sealing treatment;
step 7, manufacturing an expansion water stop plate (7), wherein the expansion water stop plate (7) adopts two layers of rubber plates as outsourcing and clamping expansion water stop rubber in the middle, and the thickness of the expansion water stop rubber is 2-3 cm;
step 8, preparing a two-component non-sagging polysulfide sealant (6), preparing a group A white main agent and a group B black curing agent according to the mass ratio of 100:10, opening a packaging barrel cover of the group A white main agent, adding the group B black curing agent into a packaging barrel of the group A white main agent, and uniformly stirring and mixing by using an electric hand drill;
step 9, when the epoxy base liquid (5) in the groove (12) is pressed and lifted to be in a wire hanging shape, the groove (12) is filled with the two-component non-sagging polysulfide sealant (6), the expansion water-stop plate (7) is abutted against the two-component non-sagging polysulfide sealant (6) in the groove (12), a cover is formed and fixed in the groove (12), and the expansion water-stop plate (7) protrudes out of the deformation joint and is poured on the surface of the concrete block (1) in advance;
step 10, fixing the expansion water stop plate (7) on the deformation joint cast-in-place concrete block (1) along the edge of the expansion water stop plate (7) by adopting expansion bolts (9) and a steel pressure plate (8);
step 11, filling a gap between the expansion water stop plate (7) and the surface of the deformation joint cast-in-place concrete block (1) by using a two-component non-sagging polysulfide sealant (6), and filling and sealing until the gap is flush with the surface of the deformation joint cast-in-place concrete block (1);
step 12, covering the surface of the filled two-component non-sagging polysulfide sealant (6) by using an adhesive tape;
and step 13, pouring the other side of the concrete block (2) after the deformation joint is poured by adopting concrete.
2. A water stopping method for a deformation joint of a concrete structure according to claim 1, wherein in step 1, the depth of the foam board (10) buried in the deformation joint cast-in-place concrete block (1) is not less than 10cm from the exposed surface of the deformation joint cast-in-place concrete block (1).
3. The method for stopping water of a deformation joint of a concrete structure according to claim 1, wherein in step 1, the foam board is composed of the following raw materials in parts by weight:
67 parts of low-density polyethylene,
11 parts of azodicarbonamide,
18 parts of organic silicon resin, namely 18 parts of organic silicon resin,
0.4 part of chloroplatinic acid,
3 parts of dicumyl peroxide, namely dicumyl peroxide,
13 parts of modified filler, namely 13 parts of modified filler,
1 part of zinc stearate, namely zinc stearate,
15 parts of mirabilite, namely 15 parts of,
3 parts of pentaerythritol ester, namely 3 parts of pentaerythritol ester,
4 parts of phenyl o-hydroxybenzoate,
4 parts of a vulcanizing agent, namely 4 parts of,
13 parts of magnesium silicate.
4. A water stopping method for a concrete structure deformation joint according to claim 1, characterized in that in step 6, the epoxy base liquid (5) is prepared by mixing epoxy resin, diluent and curing agent in a mass ratio of 10:3.5: 2.5.
5. The water stopping method for a concrete structure deformation joint according to claim 1, wherein in step 7, the swelling water stopping rubber is composed of the following raw materials in parts by weight:
90 parts of natural rubber, namely natural rubber,
40 parts of super absorbent resin,
13 parts of ethylene-propylene-diene monomer rubber,
3 parts of zinc oxide, namely zinc oxide,
2 parts of sulfur, namely adding 2 parts of sulfur,
1 part of benzothiazole disulfide,
0.5 part of stearic acid, namely,
50 parts of calcium carbonate, namely calcium carbonate,
10 parts of vaseline.
6. The method for stopping water in a deformation joint of a concrete structure according to claim 1, wherein in step 9, when the expansion water stop plate (7) is lapped with the two-component non-sagging polysulfide sealant (6) of the groove (12), the joint surface of the expansion water stop plate (7) and the two-component non-sagging polysulfide sealant (6) is cut into a wedge shape with an inclined surface, and a layer of epoxy base liquid (5) is coated on the joint surface to smoothly press.
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