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1. WO2020066363 - STRUCTURE REPAIRING METHOD

Publication Number WO/2020/066363
Publication Date 02.04.2020
International Application No. PCT/JP2019/032362
International Filing Date 20.08.2019
IPC
C04B 41/63 2006.01
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
41After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
60of only artificial stone
61Coating or impregnating
62with organic materials
63Macromolecular compounds
B32B 37/15 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
37Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
14characterised by the properties of the layers
15with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
C08F 290/06 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
290Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
02on to polymers modified by introduction of unsaturated end groups
06Polymers provided for in subclass C08G52
E01D 22/00 2006.01
EFIXED CONSTRUCTIONS
01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
DBRIDGES
22Methods or apparatus for repairing or strengthening existing bridges
E04G 23/02 2006.01
EFIXED CONSTRUCTIONS
04BUILDING
GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
23Working measures on existing buildings
02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
CPC
B32B 37/15
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
37Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
14characterised by the properties of the layers
15with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
C04B 41/63
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE
41After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
60of only artificial stone
61Coating or impregnation
62with organic materials
63Macromolecular compounds
C08F 290/06
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
290Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
02on to polymers modified by introduction of unsaturated end groups
06Polymers provided for in subclass C08G
E01D 22/00
EFIXED CONSTRUCTIONS
01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
DCONSTRUCTION OF BRIDGES, ; ELEVATED ROADWAYS; OR VIADUCTS; ASSEMBLY OF BRIDGES
22Methods or apparatus for repairing or strengthening existing bridges
E04G 23/02
EFIXED CONSTRUCTIONS
04BUILDING
GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
23Working measures on existing buildings,
02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
Applicants
  • 昭和電工株式会社 SHOWA DENKO K.K. [JP]/[JP]
Inventors
  • 大谷 和男 OTANI, Kazuo
  • 海野 篤 UMINO, Atsushi
  • 黒木 一博 KUROKI, Kunihiro
Agents
  • 特許業務法人大谷特許事務所 OHTANI PATENT OFFICE
Priority Data
2018-18297227.09.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) STRUCTURE REPAIRING METHOD
(FR) PROCÉDÉ DE RÉPARATION DE STRUCTURE
(JA) 構造物の補修方法
Abstract
(EN)
Provided is a structure repairing method capable of ensuring, when being used for a concrete structure, a short construction period and high reliability in a wide temperature range. The structure repairing method comprises: a first restorative layer forming step for forming a first restorative layer by applying a radical-polymerizable resin composition (A) on a structure; a second restorative layer forming step for forming a second restorative layer by, before curing the first restorative layer, applying a restorative material (X) containing a radical-polymerizable resin composition (Ax) and a filler (B) on the first restorative layer; a restorative layer curing step for curing the radical-polymerizable resin composition (A) and the radical-polymerizable resin composition (Ax), wherein, said (A) and (Ax) each contain a radical-polymerizable resin (a1), a radical-polymerizable unsaturated monomer (a2), a hydroxyl group-containing aromatic tertiary amine (a3), and an organic peroxide (a4), and the percentage content of the total of said (a1) and (a2) in each of the (A) and (Ax) is not less than 75 mass%.
(FR)
L'invention concerne un procédé de réparation de structure en mesure d'assurer, lorsqu'il est utilisé pour une structure en béton, une courte période de construction et une fiabilité élevée dans une large plage de températures. Le procédé de réparation de structure comprend : une étape de formation de première couche de restauration pour former une première couche de restauration par application d'une composition de résine polymérisable par voie radicalaire (A) sur une structure ; une première étape de formation de première couche de restauration pour former une deuxième couche de restauration par, avant le durcissement de la première couche de restauration, application d'un matériau de restauration (X) contenant une composition de résine polymérisable par voie radicalaire (Ax) et une charge (B) sur la première couche de restauration ; une étape de durcissement de couche de restauration pour durcir la composition de résine polymérisable par voie radicalaire (A) et la composition de résine polymérisable par voie radicalaire (Ax), lesdites compositions (A) et (Ax) contenant chacune une résine polymérisable par voie radicalaire (a1), un monomère insaturé polymérisable par voie radicalaire (a2), une amine tertiaire aromatique contenant un groupe hydroxyle (a3) et un peroxyde organique (a4) et la teneur en pourcentage du total desdites substances (a1) et (a2) dans chacune des compositions (A) et (Ax) n'étant pas inférieure à 75 % en masse.
(JA)
コンクリート構造物に適用した場合に、広い温度範囲で、短い工期かつ高い信頼性を確保できる、構造物の補修方法を提供する。 ラジカル重合性樹脂組成物(A)を構造物に塗布し、第1修復層を形成させる第1修復層形成工程と、第1修復層を硬化させる前に、第1修復層上に、ラジカル重合性樹脂組成物(Ax)と充填材(B)とを含有する修復材(X)を塗布し、第2修復層を形成させる第2修復層形成工程と、ラジカル重合性樹脂組成物(A)及びラジカル重合性樹脂組成物(Ax)を硬化させる修復層硬化工程と、を有し、前記(A)及び(Ax)は、ラジカル重合性樹脂(a1)と、ラジカル重合性不飽和単量体(a2)と、水酸基含有芳香族3級アミン(a3)と、有機過酸化物(a4)とを含有し、前記(A)及び(Ax)の各々における前記(a1)と(a2)合計量の含有率は75質量%以上である。
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