JP2020139342A - 鉄筋コンクリート構造物 - Google Patents
鉄筋コンクリート構造物 Download PDFInfo
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- JP2020139342A JP2020139342A JP2019036067A JP2019036067A JP2020139342A JP 2020139342 A JP2020139342 A JP 2020139342A JP 2019036067 A JP2019036067 A JP 2019036067A JP 2019036067 A JP2019036067 A JP 2019036067A JP 2020139342 A JP2020139342 A JP 2020139342A
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- concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/015—Anti-corrosion coatings or treating compositions, e.g. containing waterglass or based on another metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/015—Anti-corrosion coatings or treating compositions, e.g. containing waterglass or based on another metal
- E04C5/017—Anti-corrosion coatings or treating compositions containing cement
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/48—Metal
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/06—Oxides, Hydroxides
- C04B22/062—Oxides, Hydroxides of the alkali or alkaline-earth metals
- C04B22/064—Oxides, Hydroxides of the alkali or alkaline-earth metals of the alkaline-earth metals
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/12—Structures made of specified materials of concrete or other stone-like material, with or without internal or external reinforcements, e.g. with metal coverings, with permanent form elements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/61—Corrosion inhibitors
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/26—Corrosion of reinforcement resistance
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Reinforcement Elements For Buildings (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Building Environments (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
Description
図2は、第1の実施形態の鉄筋コンクリート構造物(鉄筋コンクリート)の構成を示す図である。
次に、第1の実施形態の鉄筋コンクリート構造物2を、コンクリートポールに適用した第2の実施形態について説明する。コンクリートポールは、例えば電柱などの円柱状の鉄筋コンクリート構造物である。
2A、2B:コンクリートポール
21:コンクリート
22:鉄筋
23:溶液貯蔵部
24:上部の蓋
25A、25B:仕切り部
26:底部の蓋
261:水抜き穴
Claims (7)
- 鉄筋コンクリート構造物であって、
前記鉄筋コンクリート構造物のコンクリート内部に形成され、防食溶液を保持する貯蔵部を備え、
前記防食溶液は、前記貯蔵部から前記コンクリートに拡散浸透し、鉄筋近傍のコンクリートの乾燥を妨げ、前記鉄筋を不働体化すること
を特徴とする鉄筋コンクリート構造物。 - 前記鉄筋コンクリート構造物は、コンクリートポールであること
を特徴とする請求項1記載の鉄筋コンクリート構造物。 - 前記コンクリートポールの内部に形成された空洞を仕切る仕切り部を備え、
前記貯蔵部は、前記仕切り部を用いて形成されること
を特徴とする請求項2記載の鉄筋コンクリート構造物。 - 前記仕切り部は、前記コンクリートポールが設置される際に、地際近傍となる位置に形成されること
を特徴とする請求項3に記載の鉄筋コンクリート構造物。 - 前記防食溶液は、pH7からpH12の範囲のpH値であること
を特徴とする請求項1から4のいずれか1項に記載の鉄筋コンクリート構造物。 - 前記防食溶液は、炭酸水素ナトリウム、水酸化カリウム、水酸化ナトリウムおよび水酸化カルシウムの少なくとも1つを含むこと
を特徴とする請求項1から5のいずれか1項に記載の鉄筋コンクリート構造物。 - 前記防食溶液は、水酸化カルシウムを含み、前記防食溶液の水面には、大気の二酸化炭素と水酸化カルシウムとが反応した炭酸カルシウムの膜が形成されること
を特徴とする請求項1から5のいずれか1項に記載の鉄筋コンクリート構造物。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019036067A JP7100262B2 (ja) | 2019-02-28 | 2019-02-28 | 鉄筋コンクリート構造物 |
US17/431,953 US12031331B2 (en) | 2019-02-28 | 2020-02-14 | Reinforced concrete structure |
PCT/JP2020/005759 WO2020175183A1 (ja) | 2019-02-28 | 2020-02-14 | 鉄筋コンクリート構造物 |
Applications Claiming Priority (1)
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JP2019036067A JP7100262B2 (ja) | 2019-02-28 | 2019-02-28 | 鉄筋コンクリート構造物 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020139342A true JP2020139342A (ja) | 2020-09-03 |
JP7100262B2 JP7100262B2 (ja) | 2022-07-13 |
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Application Number | Title | Priority Date | Filing Date |
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JP2019036067A Active JP7100262B2 (ja) | 2019-02-28 | 2019-02-28 | 鉄筋コンクリート構造物 |
Country Status (2)
Country | Link |
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JP (1) | JP7100262B2 (ja) |
WO (1) | WO2020175183A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08319589A (ja) * | 1995-05-23 | 1996-12-03 | Shukuji Asakura | 金属構造体等の防食方法 |
JP2007002585A (ja) * | 2005-06-27 | 2007-01-11 | Haseko Corp | コンクリート構造物への薬液含浸方法 |
-
2019
- 2019-02-28 JP JP2019036067A patent/JP7100262B2/ja active Active
-
2020
- 2020-02-14 WO PCT/JP2020/005759 patent/WO2020175183A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08319589A (ja) * | 1995-05-23 | 1996-12-03 | Shukuji Asakura | 金属構造体等の防食方法 |
JP2007002585A (ja) * | 2005-06-27 | 2007-01-11 | Haseko Corp | コンクリート構造物への薬液含浸方法 |
Also Published As
Publication number | Publication date |
---|---|
US20210381238A1 (en) | 2021-12-09 |
WO2020175183A1 (ja) | 2020-09-03 |
JP7100262B2 (ja) | 2022-07-13 |
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