FR2356740A1 - CORROSION PROTECTION OF METAL REINFORCING ELEMENTS OF CONCRETE - Google Patents

CORROSION PROTECTION OF METAL REINFORCING ELEMENTS OF CONCRETE

Info

Publication number
FR2356740A1
FR2356740A1 FR7719880A FR7719880A FR2356740A1 FR 2356740 A1 FR2356740 A1 FR 2356740A1 FR 7719880 A FR7719880 A FR 7719880A FR 7719880 A FR7719880 A FR 7719880A FR 2356740 A1 FR2356740 A1 FR 2356740A1
Authority
FR
France
Prior art keywords
concrete
corrosion protection
reinforcing elements
metal reinforcing
calcium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7719880A
Other languages
French (fr)
Other versions
FR2356740B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GCP Products UK Ltd
WR Grace and Co Conn
Original Assignee
WR Grace Ltd
WR Grace and Co Conn
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WR Grace Ltd, WR Grace and Co Conn filed Critical WR Grace Ltd
Publication of FR2356740A1 publication Critical patent/FR2356740A1/en
Application granted granted Critical
Publication of FR2356740B1 publication Critical patent/FR2356740B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Civil Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Aftertreatments Of Artificial And Natural Stones (AREA)

Abstract

L'invention concerne un procédé de protection des éléments métalliques enfouis dans un béton, contre la corrosion. On utilise le chromate de calcium, le nitrite de sodium et/ou le nitrite de calcium.The invention relates to a method of protecting metal elements buried in concrete against corrosion. Calcium chromate, sodium nitrite and / or calcium nitrite are used.

FR7719880A 1976-06-28 1977-06-28 CORROSION PROTECTION OF METAL REINFORCING ELEMENTS OF CONCRETE Granted FR2356740A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70034476A 1976-06-28 1976-06-28

Publications (2)

Publication Number Publication Date
FR2356740A1 true FR2356740A1 (en) 1978-01-27
FR2356740B1 FR2356740B1 (en) 1983-06-17

Family

ID=24813147

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7719880A Granted FR2356740A1 (en) 1976-06-28 1977-06-28 CORROSION PROTECTION OF METAL REINFORCING ELEMENTS OF CONCRETE

Country Status (6)

Country Link
JP (1) JPS533935A (en)
DE (1) DE2729579A1 (en)
FR (1) FR2356740A1 (en)
GB (1) GB1578984A (en)
IT (1) IT1085087B (en)
SE (1) SE7707477L (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991009153A1 (en) * 1989-12-11 1991-06-27 Sri International Method of protecting embedded reinforcing members
WO1991014660A1 (en) * 1990-03-20 1991-10-03 Olaf Fritz Dielenberg Inhibiting corrosion of reinforcements in concrete

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3133882A1 (en) * 1981-07-20 1983-02-03 Sika AG, vorm. Kaspar Winkler & Co., 8048 Zürich PROCESS FOR CORROSION PROTECTION OF ARMORING IRON, TENSION CABLES AND THE LIKE IN COMPONENTS
JPS60102325U (en) * 1983-12-20 1985-07-12 高原　寛文 Reinforced concrete reinforcement material
JP6892062B2 (en) * 2017-09-21 2021-06-18 住友金属鉱山シポレックス株式会社 Manufacturing method of rust preventive material for lightweight cellular concrete reinforcing bars
CN115124269B (en) * 2022-07-19 2023-06-02 水利部交通运输部国家能源局南京水利科学研究院 Preparation method of double rust-resistant pretreatment coated steel bar

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE927135C (en) * 1953-03-13 1955-04-28 Int Siporex A G Process for corrosion protection of iron and steel reinforcement
US3619441A (en) * 1969-04-03 1971-11-09 Southern Block And Pipe Corp Metal treatment to prevent corrosion and blemishes in metal reinforced concrete structures
JPS4913144A (en) * 1972-06-01 1974-02-05

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3210207A (en) * 1964-08-24 1965-10-05 Grace W R & Co Non-corrosive accelerator for setting of cements
US3427175A (en) * 1965-06-14 1969-02-11 Grace W R & Co Accelerator for portland cement
JPS5320260B2 (en) * 1973-12-27 1978-06-26

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE927135C (en) * 1953-03-13 1955-04-28 Int Siporex A G Process for corrosion protection of iron and steel reinforcement
US3619441A (en) * 1969-04-03 1971-11-09 Southern Block And Pipe Corp Metal treatment to prevent corrosion and blemishes in metal reinforced concrete structures
JPS4913144A (en) * 1972-06-01 1974-02-05

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CA1974 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991009153A1 (en) * 1989-12-11 1991-06-27 Sri International Method of protecting embedded reinforcing members
WO1991014660A1 (en) * 1990-03-20 1991-10-03 Olaf Fritz Dielenberg Inhibiting corrosion of reinforcements in concrete

Also Published As

Publication number Publication date
FR2356740B1 (en) 1983-06-17
IT1085087B (en) 1985-05-28
SE7707477L (en) 1977-12-29
GB1578984A (en) 1980-11-12
DE2729579A1 (en) 1978-01-05
JPS533935A (en) 1978-01-14

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Legal Events

Date Code Title Description
ST Notification of lapse