CN112031836A - Waterproof structure and method for deformation joint of tunnel by using femalemeter and coagulation method - Google Patents
Waterproof structure and method for deformation joint of tunnel by using femalemeter and coagulation method Download PDFInfo
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- CN112031836A CN112031836A CN202010916340.4A CN202010916340A CN112031836A CN 112031836 A CN112031836 A CN 112031836A CN 202010916340 A CN202010916340 A CN 202010916340A CN 112031836 A CN112031836 A CN 112031836A
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000005345 coagulation Methods 0.000 title abstract description 16
- 230000015271 coagulation Effects 0.000 title description 9
- 238000007789 sealing Methods 0.000 claims abstract description 50
- 239000002002 slurry Substances 0.000 claims abstract description 31
- 238000010276 construction Methods 0.000 claims abstract description 10
- 239000000084 colloidal system Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 16
- 239000003522 acrylic cement Substances 0.000 claims description 8
- 238000004078 waterproofing Methods 0.000 claims description 7
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000005553 drilling Methods 0.000 claims description 6
- 239000000565 sealant Substances 0.000 claims description 6
- 230000008439 repair process Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- MTPJEFOSTIKRSS-UHFFFAOYSA-N 3-(dimethylamino)propanenitrile Chemical compound CN(C)CCC#N MTPJEFOSTIKRSS-UHFFFAOYSA-N 0.000 claims description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 3
- 239000006004 Quartz sand Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000003431 cross linking reagent Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 230000036571 hydration Effects 0.000 claims description 3
- 238000006703 hydration reaction Methods 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- ZBUXMZFLCYRTOB-UHFFFAOYSA-N n-methylprop-2-enamide Chemical compound CNC(=O)C=C.CNC(=O)C=C ZBUXMZFLCYRTOB-UHFFFAOYSA-N 0.000 claims description 3
- 239000007800 oxidant agent Substances 0.000 claims description 3
- 239000002954 polymerization reaction product Substances 0.000 claims description 3
- 239000004588 polyurethane sealant Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims 3
- 238000001125 extrusion Methods 0.000 claims 1
- 239000000945 filler Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000003044 adaptive effect Effects 0.000 abstract description 2
- 239000000499 gel Substances 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 230000001112 coagulating effect Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/56—Acrylamide; Methacrylamide
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a femalescence + propylcondensation method tunnel deformation joint waterproof structure and a method, wherein the femalescence + propylcondensation method tunnel deformation joint waterproof structure comprises a femalescence sealing element of a closed-loop structure arranged along the extension direction of a standard deformation joint, the femalescence sealing element is completely embedded into the standard deformation joint, the femalescence sealing element is in interference fit with the standard deformation joint, hydrophilic propylcondensation slurry is arranged on the inner side of the femalescence sealing element, and the propylcondensation slurry is finally condensed into water-swelling colloid. The invention adopts the mode of combining the femtocace and the propyl-coagulation slurry to carry out waterproof treatment on the deformation joint, the femtocace and the propyl-coagulation slurry are in physical contact with the outer wall surface of the tunnel, the use function of the standard deformation joint in the tunnel section is ensured, and the femtocace and the propyl-coagulation slurry can be adaptive to the deformation of the standard deformation joint, so that the standard deformation joint is always in an efficient sealing state. The invention has high construction efficiency, durable and outstanding waterproof effect and higher social and economic benefits.
Description
Technical Field
The invention belongs to the technical field of tunnel waterproofing, and particularly relates to a waterproof structure and a waterproof method for a deformation joint of a tunnel by using a femalescence and coagulation method.
Background
Deformation joints are usually provided in tunnel structures to prevent damage to the tunnel from differential settlement, thermal expansion and contraction or accidental external force. The tunnel deformation joint is mainly used for adapting to vertical settlement deformation and axial telescopic deformation and is used as a detail of a tunnel and an underground structure, and the deformation joint leakage phenomenon often occurs. Along with the development of urban underground rail transit, the problem of tunnel deformation joint leakage is increasingly prominent, and the situation is increasingly severe. The deformation joint water leakage treatment is usually carried out by adopting cement-water glass double-liquid slurry and matching epoxy resin, but the construction method has the following problems: 1. the cement-water glass double-liquid slurry and epoxy resin matched leaking stoppage construction method is more suitable for narrow spaces such as joints or cracks, is difficult to realize uniform and compact grouting for filling deformation joints of a ring of large cavities, and has poor waterproof aging; 2. the deformation joint has poor capability of adapting to secondary deformation after being filled with cement-water glass double-liquid slurry, and the use function of the deformation joint in the tunnel section is reduced; 3. repeated leakage is often visible after cement-water glass double-liquid slurry is poured into the deformation joint, construction quality is poor, efficiency is low, environmental protection is difficult to control, and quality guarantee cost and safety risk after operation are greatly increased.
Disclosure of Invention
The invention aims to provide a femalescence + propylcondensation method tunnel deformation joint waterproof structure and method which can effectively solve the problem of water leakage of tunnel deformation joints.
In order to achieve the purpose, the invention adopts the technical scheme that:
according to one aspect of the invention, the tunnel deformation joint waterproof structure adopting the femalescence + coagulation method comprises a femalescence sealing element of a closed-loop structure arranged along the extension direction of a standard deformation joint, wherein the femalescence sealing element is completely embedded into the standard deformation joint, the femalescence sealing element is in interference fit with the standard deformation joint, hydrophilic coagulation slurry is arranged on the inner side of the femalescence sealing element, and the coagulation slurry is finally coagulated into water-swelling colloid.
Optionally, the outside of the femorage seal is provided with a sealant.
Optionally, a protective film is arranged between the sealant and the femalescence sealing element.
According to another aspect of the invention, the invention further provides a femalescence + propylcondensation method tunnel deformation joint waterproof method, the femalescence + propylcondensation method tunnel deformation joint waterproof structure is adopted to waterproof a standard deformation joint, and the femalescence + propylcondensation method tunnel deformation joint waterproof method comprises the following steps:
step S1, drilling an inclined hole on the side of the standard deformation joint;
step S2, embedding the femalescence sealing element into the standard deformation joint;
and step S3, injecting the acrylic cement slurry into the cavity inside the femalescence sealing piece along the inclined hole.
Optionally, before drilling the inclined hole on the side of the standard deformation joint, performing standard joint repair, wherein the standard joint repair method comprises the following steps:
step S11, cleaning the original deformation joint base surface;
step S12, cutting V-shaped grooves along the original deformation joints;
step S13, placing a template into the V-shaped groove to align the template with the original deformation joint, and pouring seam repairing materials into the V-shaped grooves on the two sides of the template;
and step S14, removing the template to form the standard deformation joint.
Optionally, the base surface of the original deformation joint comprises at least one of a single-component polyurethane sealant, a buried steel-edged rubber waterstop and a foam board filling material.
Optionally, the template is a light blue XPS extruded sheet, the width of the template being equal to the width of the standard deformation joint.
Optionally, the seam repairing material is a mixing material of selected sulphoaluminate cement, graded quartz sand, redispersible latex powder, anti-crack fibers, a hydration heat control agent and a special water reducing agent.
Optionally, the coagulating slurry is a polymerization reaction product of acrylamide (main agent), dimethyl bisacrylamide (cross-linking agent), beta-dimethylamino-propionitrile (reducing agent), ammonium persulfate (oxidizing agent) and water.
Optionally, the concentration of the propylene jelly ranges from 7 to 15%.
The invention has the advantages that:
according to the technical scheme, the femalescence sealing piece is clamped in the standard deformation joint, the femalescence sealing piece in a compressed state is in interference fit with the standard deformation joint, and the standard deformation joint can be always kept in a sealed state when settlement deformation and/or telescopic deformation occurs by utilizing the elasticity and restoring force of the femalescence sealing piece, so that the water leakage phenomenon of the deformation joint is prevented; the polypropylene gel slurry finally solidified into the gel has good hydrophilicity, and when water leakage occurs inside the deformation joint, the polypropylene gel expands with water, so that the water pressure behind the flyable sealing element can be effectively released, and the sealing effect of the deformation joint is further ensured. The invention adopts the mode of combining the femtocace and the propyl-coagulation slurry to carry out waterproof treatment on the deformation joint, the femtocace and the propyl-coagulation slurry are in physical contact with the outer wall surface of the tunnel, the use function of the standard deformation joint in the tunnel section is ensured, and the femtocace and the propyl-coagulation slurry can be adaptive to the deformation of the standard deformation joint, so that the standard deformation joint is always in an efficient sealing state. The invention has high construction efficiency, durable and outstanding waterproof effect and higher social and economic benefits.
Drawings
FIG. 1 is a schematic diagram of one embodiment of the present invention;
FIG. 2 is a schematic view of the standard deformation joint of FIG. 1;
FIG. 3 is a schematic view of the subsidence protection of FIG. 1;
FIG. 4 is a schematic view of the installation of the formwork;
FIG. 5 is a table showing the formulation ratio of the acrylic cement slurry.
Detailed Description
According to the invention, the embodiment of the waterproof structure for the deformation joint of the tunnel by the femalescence + coagulation method is provided by combining the attached drawings.
Firstly, the standard deformation joint 5 is specially arranged at a certain distance along the extension direction of the tunnel 1, and the standard deformation joint 5 is arranged between two adjacent structures 2 in the tunnel 1 and used for preventing the structures 2 from being damaged by uneven settlement, thermal expansion and cold contraction or accidental external force. The purpose that standard movement joint 5 set up is to guarantee that can produce the dislocation of certain degree between two adjacent structures 2, be close to or keep away from, and two adjacent structures 2 fixed connection together can be in the same place to traditional cement + glass biliquid thick liquid cooperation epoxy's shutoff mode, has destroyed standard movement joint 5 self service function, consequently is not suitable for the prevention and cure of movement joint percolating water in the tunnel.
Referring to fig. 1 to 5, the femalescence + propylcondensation tunnel deformation joint waterproof structure provided by the invention comprises a femalescence sealing element 7 and a propylcondensation colloid 8, wherein the femalescence sealing element 7 is tightly compressed in the standard deformation joint 5 to form a first waterproof layer, the propylcondensation colloid 8 is filled in a cavity behind the femalescence sealing element 7 to form a second waterproof layer, and the femalescence sealing element 7 has elastic restoring force, the propylcondensation colloid 8 can expand when meeting water, and the two are in physical sealing contact with the standard deformation joint 5, so that when settlement deformation and/or telescopic deformation occur, the standard deformation joint 5 can keep good self-use function and sealing effect, and the problem of poor prevention effect of tunnel deformation joint water leakage in the prior art is effectively solved.
Specifically, the femalescence sealing piece 7 of the closed-loop structure is arranged along the extension direction of the standard deformation joint 5, the femalescence sealing piece 7 is completely embedded into the standard deformation joint 5, the femalescence sealing piece 7 is in interference fit with the standard deformation joint 5, hydrophilic acrylic cement slurry is arranged on the inner side of the femalescence sealing piece 7, the acrylic cement slurry is finally solidified into water-swelling colloid, and finally acrylic cement colloid 8 filled behind the femalescence sealing piece 7 is formed.
In this embodiment, the femalescence sealing member 7 is composed of a plurality of uniformly and densely distributed cavity structures which are not communicated with each other, and is an elastic body with a smooth outer surface and a circular cross section, and when the elastic body is extruded, the gas sealed in the cavity generates strong restoring force to realize sealing.
In this embodiment, the femalescence sealing element 7 is matched with special glue, so that the interface can be firmly butted within 30s, the construction is simple and rapid, and the effect is obvious.
In the embodiment, the femtovorax compression piece 7 adopts physical sealing, does not need to use an adhesive on the side wall, has the capability of adapting to vertical settlement deformation and axial compression deformation, and can adapt to about 25% of axial expansion deformation capability.
In addition, since the pipe diameter of the femtovorax seal 7 is slightly larger than the width of the standard gap 5, when the femtovorax seal is embedded, firstly, the embedded part of the femtovorax seal 7 is rotated strongly, then the femtovorax seal is pressed in step by utilizing the wedge shape of the chisel, and finally, the femtovorax seal 7 is completely embedded in the standard deformation gap 5.
In this example, the acrylic cement slurry is prepared into liquid A and liquid B by two-liquid grouting according to the ratio shown in FIG. 5, the two liquids undergo polymerization reaction after being mixed, initial setting is carried out within 30 seconds, and the reaction is finished within 2-3 minutes, and the acrylic cement gel 8 is finally obtained. When preparing the slurry, the solution A and the solution B are prepared according to the proportion shown in figure 5 to prepare a coagulation solution with the concentration of 10%, and the change range can be properly adjusted when the coagulation solution is used, and is 7-15%. The first liquid and the second liquid are separately stored in a slurry storage tank, and the tank mouth is screwed to prevent the two liquids from contacting and reacting.
Preferably, in order to increase the sealing effect, a sealing compound 6 is provided on the outside of the femorage seal 7, wherein the sealing compound 6 has a certain elasticity and can adapt to the deformation of the standard deformation joint 5.
Preferably, in order to protect the femtovorax sealing element 7, a protective film 11 is arranged between the sealant 6 and the femtovorax sealing element 7, and the protective film 11 can separate the sealant 6 from the femtovorax sealing element 7 to prevent the two from directly contacting.
The invention also provides a method for preventing the deformation joint of the tunnel by using the femalescence + propylcondensation method, which adopts the structure for preventing the deformation joint of the tunnel by using the femalescence + propylcondensation method to prevent the standard deformation joint from being water, and comprises the following steps: step S1, drilling an inclined hole 9 on the side of the standard deformation joint 5; step S2, embedding the femalescence sealing element 7 into the standard deformation joint 5; in step S3, the propyl-coagulating slurry is injected into the cavity inside the flying height seal 7 along the inclined hole 9.
Specifically, when the original deformation joint in the tunnel 1 has the water leakage phenomenon, the original deformation joint needs to be chiseled off, the leakage point needs to be blocked, then the standard deformation joint 5 is formed by pouring again on the original deformation joint, the inclined hole 9 is positioned below the femalescence sealing element 7, after the propyl-setting slurry is injected, the propyl-setting slurry is finally set into propyl-gel 8, then the inclined hole 9 is blocked by cement 10,
preferably, standard seam repair is performed before drilling the inclined hole 9 at the side of the standard deformation seam 5, and the method for repairing the standard seam comprises the following steps: step S11, cleaning the original deformation joint base surface; step S12, cutting a V-shaped groove 3 along the original deformation joint; step S13, placing the template 13 into the V-shaped groove 3 to align the template 13 with the original deformation joint, and pouring seam repairing materials 4 into the V-shaped grooves on the two sides of the template 13; in step S14, the template 13 is removed to form the standard deformation joint 5.
In the embodiment, the base surface of the original deformation joint comprises a single-component polyurethane sealant, a buried steel-edged rubber waterstop and a foam board filling material, the template 13 is a light blue XPS extruded sheet, the width of the template 13 is equal to that of the standard deformation joint 5, the seam repairing material 4 is a mixing material of selected sulphoaluminate cement, graded quartz sand, redispersible latex powder, anti-cracking fibers, a hydration heat control agent and a special water reducing agent, and the seam repairing material 4 needs to be particularly adhered to a mixing principle for a small number of times to determine the optimal construction time of the site material and ensure that the material is constructed under the optimal workability condition.
Preferably, the coagulating slurry is a polymerization reaction product of acrylamide (main agent), dimethyl bisacrylamide (cross-linking agent), beta-dimethylamino-propionitrile (reducing agent), ammonium persulfate (oxidizing agent) and water, and the concentration of the coagulating liquid is in the range of 7-15%.
In addition, before the propyl-coagulation slurry is injected, a grouting nozzle is arranged on a pre-embedded aluminum grouting pipe, the grouting pipe is arranged in the inclined hole 9, and the grouting sequence is that the grouting nozzle horizontally goes from one end to the other end, and vertically goes from bottom to top. When the movable joint is connected to the grouting nozzle, starting a grouting machine, opening a valve of a grout storage tank, simultaneously and equivalently delivering the A liquid and the B liquid to a mixing pipe along with a liquid conveying pipe, and pressing the A liquid and the B liquid into a cavity behind the flying horse degree sealing element 7 through an aluminum grouting pipe; grouting pressure is 0.05-0.2 MPa, grouting is stopped when grouting is not started any more, a grouting nozzle is closed to prevent backflow, and grouting is continued from an adjacent aluminum grouting pipe until all grouting is finished; after the slurry is solidified for 10-24 h, removing the aluminum grouting pipe, sealing the inclined hole 9 with quick-setting cement 10, and finally realizing the double-layer water leakage prevention line of the standard deformation joint 5, wherein the prevention effect is obvious.
In addition, considering the waterproof protection of the bottom plate, the standard deformation joint 5 on the bottom plate needs to be chiseled by 3-5cm more, and the flying horse degree compression piece 7 is sunk by 3-5cm, so that the damage caused by the rolling of cross construction vehicles on the seam repairing material 4 is avoided.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a flying horse degree + propyl method tunnel movement joint waterproof construction that congeals, its characterized in that includes the flying horse degree sealing member of the closed loop structure that sets up along standard movement joint extending direction, flying horse degree sealing member imbeds completely inside the standard movement joint, flying horse degree sealing member with standard movement joint interference fit, the inboard of flying horse degree sealing member is equipped with hydrophilic propyl thick liquid that congeals, the propyl thick liquid that congeals becomes the colloid that meets water inflation finally.
2. The femalescence + propylcondensation tunnel deformation joint waterproof structure according to claim 1, wherein a sealant is provided on the outside of the femalescence sealing member.
3. The femalescence + propylcondensation tunnel deformation joint waterproof construction of claim 2, wherein a protective film is provided between the sealant and the femalescence seal.
4. A method for waterproofing a femalescence + propylcondensation method tunnel deformation joint is characterized in that a standard deformation joint is waterproofed by adopting the femalescence + propylcondensation method tunnel deformation joint waterproofing structure of any one of claims 1 to 3, and the femalescence + propylcondensation method tunnel deformation joint waterproofing method comprises the following steps:
step S1, drilling an inclined hole on the side of the standard deformation joint;
step S2, embedding the femalescence sealing element into the standard deformation joint;
and step S3, injecting the acrylic cement slurry into the cavity inside the femalescence sealing piece along the inclined hole.
5. The femalescence + propylcondensation method tunnel deformation joint waterproof method according to claim 4, characterized in that standard joint repair is performed before drilling inclined holes at the side parts of the standard deformation joint, and the standard joint repair method comprises the following steps:
step S11, cleaning the original deformation joint base surface;
step S12, cutting V-shaped grooves along the original deformation joints;
step S13, placing a template into the V-shaped groove to align the template with the original deformation joint, and pouring seam repairing materials into the V-shaped grooves on the two sides of the template;
and step S14, removing the template to form the standard deformation joint.
6. The femalescence + propylcondensation tunnel deformation joint water-proofing method of claim 5, wherein the base surface of the original deformation joint comprises at least one of a one-component polyurethane sealant, a buried steel-edged rubber waterstop, and a foam board filler material.
7. The femtohorse + propylic tunnel deformation joint waterproofing method according to claim 5 wherein the template is a light blue XPS extrusion, the width of the template being equal to the width of the standard deformation joint.
8. The femalescence + propylsetting method tunnel deformation joint waterproof method according to claim 5, characterized in that the joint repairing material is a mixing material of selected sulphoaluminate cement, graded quartz sand, redispersible latex powder, anti-crack fiber, hydration heat control agent and special water reducing agent.
9. The femtography + propylcondensation method tunnel deformation joint waterproof method according to claim 4, wherein the propylcondensation slurry is a polymerization reaction product of acrylamide (main agent), dimethyl bisacrylamide (cross-linking agent), beta-dimethylamino-propionitrile (reducing agent), ammonium persulfate (oxidizing agent) and water.
10. The femalescence + propylcondensation tunnel deformation joint waterproofing method according to claim 4, characterized in that the concentration of the propylcondensation liquid ranges from 7 to 15%.
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CN209194375U (en) * | 2018-10-24 | 2019-08-02 | 南京河川建设工程有限公司 | Waterproof construction for box culvert deformation joint |
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2020
- 2020-09-03 CN CN202010916340.4A patent/CN112031836B/en active Active
Patent Citations (5)
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KR20060029787A (en) * | 2004-10-04 | 2006-04-07 | (주)방아건설 | Water-proof structure for connecting part of underground constructure and water-proof method therefor |
CN103015538A (en) * | 2011-09-22 | 2013-04-03 | 江苏鼎达建筑新技术有限公司 | Leakage prevention device and leakage treatment method for concrete structure deformation joint |
CN206873507U (en) * | 2017-06-15 | 2018-01-12 | 中铁第四勘察设计院集团有限公司 | A kind of leak stopping hermetic water-proof structure of underground-structure deformation joint |
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