CN106183260B - Concrete protection and reparation polymer compound film and application with self-repair function - Google Patents

Concrete protection and reparation polymer compound film and application with self-repair function Download PDF

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CN106183260B
CN106183260B CN201610537390.5A CN201610537390A CN106183260B CN 106183260 B CN106183260 B CN 106183260B CN 201610537390 A CN201610537390 A CN 201610537390A CN 106183260 B CN106183260 B CN 106183260B
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layer
concrete
polymer compound
repair
compound film
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CN106183260A (en
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袁洪山
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00—Handling building or like materials for hydraulic engineering or foundations
    • E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—Fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/04—Cellulosic plastic fibres, e.g. rayon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Laminated Bodies (AREA)

Abstract

A kind of concrete protection and reparation polymer compound film and application with self-repair function, the composite membrane are mutually combined by the high water-absorption fiber non-woven fabrics repair layer of water-swellable with macromolecular sheet material protective layer.Macromolecular sheet material protective layer is mutually compound by lamination technique or heat pressing process or adhesive bonding mode and the high water-absorption fiber non-woven fabrics repair layer of water-swellable.Its application method: composite membrane is embedded in building concrete body structure surface in advance, the gap and crack of concrete structural surface can not only be repaired, prevent the further intrusion crack such as steam, chemical substance and carbon dioxide, also self-regeneration can be carried out to because of self-protection layer breakage caused by construction wrong, one layer of waterproof, impervious protecting film are constituted in concrete structural surface simultaneously, alternative traditional building waterproof layer improves the waterproofness of concrete structure and the long-term water permeability resistance of building structure.

Description

Concrete protection and reparation polymer compound film and application with self-repair function
Technical field
It is exactly a kind of with selfreparing function the present invention relates to the polymer compound film of a kind of protection and repair The concrete protection of energy and reparation polymer compound film and application, belong to concrete structure protection and recovery technique field.
Background technique
For concrete structure due to its good integrity, mouldability is good, durability, have excellent fire-resistance, project cost expense is low etc. Advantage is widely used in various civil construction projects.However due to Plastic Shrinkage of Concrete, structure foundation sedimentation, construction medium temperature Difference changes the influence of the various internal and external factors such as big, and concrete structure inevitably has some cracks.These cracks are also The main reason for causing concrete structure bearing capacity, durability, especially waterproofness to reduce.
Mainly there are resin infusion, surface-closed, grouting, caulked, stickup, steel for the restorative procedure of distress in concrete at present The methods of muscle reinforcement, self-closing legal, sealant and coating surface dipping, wherein resin infusion, grouting and caulked method are mainly led to It crosses and the reparation that the material that the materials such as resin or concrete or caulked are suitable for realizes crack is perfused into distress in concrete；Surface envelope It closes, paste, sealant and coating surface dipping method mainly use the materials such as band, sealant, coating to concrete structure Surface is sealed, to prevent steam, chemical substance and carbon dioxide etc. from invading crack, reaches repairing purpose；Reinforcing bar is reinforced It mainly prevents crack from continuing to expand by mechanical means, realizes and repair；Self-closing rule is that there are moisture and do not having Under conditions of action of pulling stress, by concrete itself and air moisture and carbon dioxide etc. series of chemical occurs After close up crack, and then achieve the purpose that crack repair.Although coagulation soil cracking may be implemented in above method to a certain extent The reparation of seam, but these methods, mainly for the reparation of exposed concrete structural surface, for having carried out waterproof construction, heat preservation has been applied The crack of the concrete structure of work or facing is repaired there is still a need for repairing the constructing structure destruction of concrete structural surface again, It not only constructs cumbersome difficulty, time-consuming and laborious, the appearance of building, the globality of building structure and safety are also by serious shadow It rings.
Summary of the invention
The present invention repairs difficult problem, design mainly for concrete structure crack for the purpose of solving the above problems The polymer compound film that a kind of pair of concrete structure plays protection with repair is developed, which is embedded in building coagulation in advance Soil structure surface can not only repair the gap and crack of concrete structural surface, prevent steam, chemical substance and carbon dioxide etc. Crack is further invaded, can also carry out self-regeneration to because of self-protection layer breakage caused by construction wrong, while in concrete Body structure surface constitutes one layer of waterproof, impervious protecting film, and alternative traditional building waterproof layer improves the waterproof of concrete structure Property and the long-term water permeability resistance of building structure.
To achieve the above object, the present invention adopts the following technical solutions: a kind of concrete protection with self-repair function With reparation polymer compound film, which is mutually combined by repair layer and main protective layer.
The repair layer is made of the high water-absorption fiber non-woven fabrics of water-swellable.
The protective layer is by HDPE, PE, PVC, EPDM, TPO, TPE, TPV, TPU, EVA, ECB, CPE macromolecular sheet material It is made.
Further, the high water-absorption fiber non-woven fabrics of the water-swellable impregnates high-hydroscopicity tree by general fibre non-woven fabrics Rouge is made, or by general fibre with high water-absorption fiber is blended is made.
The general fibre is cotton fiber, viscose rayon, polyethylene fibre, polyester fiber, polypropylene fiber or continuous synthetic fibre fiber.
Further the main protective layer passes through lamination technique or heat pressing process or adhesive bonding mode and repair layer It is mutually compound.
A kind of concrete structure protection and reparation polymer compound film with self-repair function, application method is such as Under:
1. be applied to precast concrete, tunnel, side and the protection of superstructure existing concrete structure: anti- Before the constructions such as water, heat preservation, facing, by the polymer compound film repair layer towards concrete, makes repair layer and mix Xtah Crude Clay structure surface is in contact, by being mechanically fixed or polymer compound film is fixed on concrete structure by adhesive bonding mode Then surface carries out thermal insulation construction or Decorative Construction in main protection layer surface.
2. be applied to inferior rear pouring concrete structural shielding: by polymer compound film protective layer direction basis Layer, repair layer are laid in basic layer surface or by being mechanically fixed or adhesive bonding mode is fixed towards rear pouring concrete layer In basic layer surface, then pouring concrete is constructed after repairing layer surface and carrying out.
3. be applied to the precast concrete preparation with safeguard function: the polymer compound film is placed in mold Inside, protective layer are laid in mould inner surface or by being mechanically fixed or adhesive bonding mode is fixed towards mould inner surface In mould inner surface, concrete is then injected in the mold for having fixed polymer compound film, keeps concrete compound with macromolecule The contact of film repair layer forms the precast concrete with safeguard function conserve on schedule after.
Beneficial effects of the present invention and feature:
The present invention compared with existing repair materials, it is characterized in that: when in work progress or construction later period building make With in the process, because concrete structure occur crack or polymer compound film itself it is damaged due to moisture-inhibiting or when infiltration, macromolecule is compound Water swelling is formed gel by the repair layer of film, and passes through the pressure blockage crack generated when water swelling, and then to concrete Crack or itself breakage are filled reparation.In addition, the pressure that repair layer generates when expanding will further prevent concrete knot The occurrence of moisture-inhibiting of structure, infiltration.The gap of concrete structural surface can be not only repaired after its repair layer water-swellable and is split Seam prevents the further intrusion crack such as steam, chemical substance and carbon dioxide, moreover it is possible to because protective layer caused by construction wrong it is broken Damage carries out self-regeneration, and composite membrane after repairing is made to play the role of better protective layer.In addition, main protective layer of the invention can be mixed Xtah Crude Clay structure surface constitutes one layer of waterproof, impervious protecting film, alternative traditional building waterproof layer.Application of the invention is advantageous In the integral protection of building concrete structure, can further improve concrete structure waterproofness and building structure it is long-term impervious It is aqueous.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to Limit the present invention.
Embodiment
Referring to Fig.1, a kind of concrete protection and reparation polymer compound film with self-repair function, the composite membrane by Repair layer 1 is combined with main 2 phase of protective layer.
The repair layer 1 is made of the high water-absorption fiber non-woven fabrics of the water-swellable with a thickness of 1-10mm.
The main protective layer 2 be by with a thickness of HDPE, PE of 0.1-1.5mm, PVC, EPDM, TPO, TPE, TPV, TPU, EVA, ECB, CPE macromolecular sheet material are made.
Further, the general fibre that the high water-absorption fiber non-woven fabrics of the water-swellable is 20-80% by weight quota Non-woven fabrics dipping super absorbent resin is made, or by weight quota is 10-80% general fibre and high water-absorption fiber is blended is made.
The general fibre is cotton fiber, viscose rayon, polyethylene fibre, polyester fiber, polypropylene fiber or continuous synthetic fibre fiber.
Further the main protective layer 2 passes through lamination technique or heat pressing process or adhesive bonding mode and repair layer It is mutually compound.
A kind of concrete protection and reparation polymer compound film, application method with self-repair function are as follows:
1. be applied to precast concrete, tunnel, side and the protection of superstructure existing concrete structure: anti- Before the constructions such as water, heat preservation, facing, by the polymer compound film repair layer towards concrete, makes repair layer and mix Xtah Crude Clay structure surface is in contact, by being mechanically fixed or polymer compound film is fixed on concrete structure by adhesive bonding mode Then surface carries out thermal insulation construction or Decorative Construction in main protection layer surface.
2. be applied to inferior rear pouring concrete structural shielding: by polymer compound film protective layer direction basis Layer, repair layer are laid in basic layer surface or by being mechanically fixed or adhesive bonding mode is fixed towards rear pouring concrete layer In basic layer surface, then pouring concrete is constructed after repairing layer surface and carrying out.
3. be applied to the precast concrete preparation with safeguard function: the polymer compound film is placed in mold Inside, main protective layer are laid in mould inner surface or by being mechanically fixed or adhesive bonding mode is solid towards mould inner surface Due to mould inner surface, concrete is then injected in the mold for having fixed polymer compound film, keeps concrete and macromolecule multiple The contact of film repair layer is closed, forms the precast concrete with safeguard function conserve on schedule after.
More than finally, it should also be noted that illustrating only is a specific embodiment of the invention.Obviously, the present invention is unlimited In above embodiments, there can also be several variants.Those skilled in the art can directly lead from present disclosure Out or all deformations for associating, it is considered protection scope of the present invention.

Claims (1)

1. a kind of application method of concrete protection and reparation polymer compound film with self-repair function, wherein described Polymer compound film is mutually combined by repair layer and main protective layer, and the repair layer is by swollen with a thickness of the chance water of 1-10mm Swollen high water-absorption fiber non-woven fabrics is made, and the high water-absorption fiber non-woven fabrics of the water-swellable is that 10-80% is general by weight quota Perforating fiber with high water-absorption fiber is blended is made, the general fibre is viscose rayon, polyethylene fibre or polypropylene fiber；The master Protective layer with a thickness of HDPE, PE, TPE, TPV, TPU, EVA, ECB or CPE macromolecular sheet material of 0.1-1.5mm by being made；It should The realization of application method is as described below:
(1) be applied to underground after pouring concrete structural shielding when: by the main protective layer of the polymer compound film towards basal layer, repair Cladding is laid in basic layer surface or by being mechanically fixed or adhesive bonding mode is fixed on basis towards rear pouring concrete layer Layer surface, then pouring concrete is constructed after repairing layer surface and carrying out；
(2) when being applied to the precast concrete preparation with safeguard function: the polymer compound film is placed in mold Portion, main protective layer are laid in mould inner surface or by being mechanically fixed or adhesive bonding mode is fixed towards mould inner surface In mould inner surface, concrete is then injected in the mold for having fixed polymer compound film, keeps concrete compound with macromolecule The contact of film repair layer forms the precast concrete with safeguard function conserve on schedule after；The polymer compound film is not only The gap and crack that concrete structural surface can be repaired, prevent steam, chemical substance and carbon dioxide from further invading crack, Also self-regeneration can be carried out to because of protective layer breakage main caused by construction wrong, at the same concrete structural surface constitute one layer it is anti- Water, impervious protecting film, as building waterproof layer, improve concrete structure waterproofness and building structure it is long-term waterproof Property.
CN201610537390.5A 2016-07-08 2016-07-08 Concrete protection and reparation polymer compound film and application with self-repair function Active CN106183260B (en)

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CN111546732B (en) * 2020-05-21 2023-02-24 中国电建集团成都勘测设计研究院有限公司 Self-repairing high-molecular waterproof coiled material and preparation method thereof

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CN201310066Y (en) * 2008-09-28 2009-09-16 清华大学 Concrete efficient water-saving wet-curing membrane
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US20090100775A1 (en) * 2007-10-18 2009-04-23 Carlisle Intangible Company Self repairing roof membrane

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CN2670425Y (en) * 2003-11-11 2005-01-12 长沙圣华科技发展有限公司 Concrete water-saving moist keeping maintenance film
CN201310066Y (en) * 2008-09-28 2009-09-16 清华大学 Concrete efficient water-saving wet-curing membrane
CN206201630U (en) * 2016-07-08 2017-05-31 袁洪山 Concrete structure protection and reparation polymer compound film with self-repair function

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