KR950003211A - Manufacturing Method of High Strength Cement Composites - Google Patents

Manufacturing Method of High Strength Cement Composites Download PDF

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Publication number
KR950003211A
KR950003211A KR1019930012386A KR930012386A KR950003211A KR 950003211 A KR950003211 A KR 950003211A KR 1019930012386 A KR1019930012386 A KR 1019930012386A KR 930012386 A KR930012386 A KR 930012386A KR 950003211 A KR950003211 A KR 950003211A
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KR
South Korea
Prior art keywords
binder
weight ratio
composite material
silica fume
mixed
Prior art date
Application number
KR1019930012386A
Other languages
Korean (ko)
Other versions
KR960004383B1 (en
Inventor
이성영
박양덕
Original Assignee
조말수
포항종합제철 주식회사
백덕현
재단법인산업과학기술연구소
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Priority to KR1019930012386A priority Critical patent/KR960004383B1/en
Publication of KR950003211A publication Critical patent/KR950003211A/en
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Publication of KR960004383B1 publication Critical patent/KR960004383B1/en

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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
    • 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
    • C04B14/386—Carbon
    • 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
    • C04B28/18—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 mixtures of the silica-lime type
    • 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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/14—Waste materials; Refuse from metallurgical processes
    • C04B18/146—Silica fume
    • 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
    • C04B2103/0068—Ingredients with a function or property not provided for elsewhere in C04B2103/00
    • C04B2103/0091—Organic co-binders for mineral binder compositions
    • C04B2103/0092—Organic co-binders for mineral binder compositions for improving green strength
    • 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
    • C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
    • C04B2103/302—Water reducers
    • 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
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Abstract

본 발명은 건축재등에 사용되는 고강도 시멘트 복합재료를 제조하는 방법에 관한 것으로서, 비중이 낮으며 화학적 및 열적으로 매우 안정하나 변형율이 적은 탄소섬유와 비중이 높으나 변형율이 크며 저렴한 강재를 복합화하므로써, 고강도이면서도 우수한 인성을 갖는 탄소섬유 및 강재보강 시멘트 복합재료를 제조하고자 하는데, 그 목적이 있다.The present invention relates to a method for manufacturing a high strength cement composite material used in building materials, etc., by combining a low-density, chemically and thermally stable carbon fiber with a low strain, but a high specific gravity but a high strain rate and low-cost steel, To produce a carbon fiber and steel reinforcement cement composite material having excellent toughness, the purpose is.

본 발명은 고강도 시멘트 복합재료를 제조하는 방법에 있어서, 실리카흄 : 실리카흄/바인더(실리카흄+시멘트)의 중량비로 0.1~0.4; 및 감수제/바인더의 중량비로 0.005~0.04의 감수제가 혼합된 혼합수 : 혼합수/바인더의 중량비로 0.2~0.4가 첨가된 시멘트 메트릭스에 1차 보강재인 탄소섬유를 1.0~4.0vol% 첨가하여 충분히 혼합한 후, 2차 보강재인 강재를 0.1~0.2vol% 첨가하여 통상의 방법으로 성형 및 양생하여 고강도 시멘트 복합재료를 제조하는 방법을 그 요지로 한다.The present invention is a method for producing a high-strength cement composite material, silica fume: silica fume / binder (silica fume + cement) in a weight ratio of 0.1 to 0.4; And mixed water in which 0.005 to 0.04 water reducing agent is mixed in a weight ratio of water reducing agent / binder: mixed by adding 1.0 to 4.0 vol% of carbon fiber, which is a primary reinforcing material, to the cement matrix where 0.2 to 0.4 is added in the weight ratio of mixed water / binder. After that, a method of producing a high-strength cement composite material by forming and curing in a conventional manner by adding 0.1 to 0.2 vol% of steel, which is a secondary reinforcing material, is the main point.

Description

고강도 시멘트 복합재료의 제조방법Manufacturing Method of High Strength Cement Composites

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 탄소섬유 보강시멘트 복합재에 있어서 탄소섬유의 함량변화에 따른 굴곡강도 및 압축강도 변화를 나타내는 그래프, 제2도는 탄소섬유 보강시멘트 복합재에 있어서 탄소섬유의 함량변화에 따른 굴곡하중-휨 변형을 나타내는 그래프, 제3도는 시멘트 복합재에 있어서 보강재인 탄소섬유 및 강 메쉬의 함량 변화에 따른 굴곡하중-휨변형을 나타내는 그래프, 제4도는 시멘트 복합재에 있어서 보강재인 탄소섬유 및 강섬유의 함량변화에 따른 굴곡하중-휨 변형을 나타내는 그래프.1 is a graph showing the changes in flexural strength and compressive strength according to the carbon fiber content change in the carbon fiber reinforced cement composite material, and FIG. 2 is a graph showing the flexural load-bending deformation according to the carbon fiber content change in the carbon fiber reinforced cement composite material. Fig. 3 is a graph showing the flexural load-deflection according to the change of the content of carbon fiber and steel mesh as reinforcement in cement composites, and FIG. 4 is the bending according to the change of carbon fiber and steel fiber as reinforcement in cement composites. Graph showing load-deflection deformation.

Claims (1)

고강도 시멘트 복합재료를 제조하는 방법에 있어서, 실리카흄 : 실리카흄/바인더(실리카흄+시멘트)의 중량비로 0.1∼0.4;및 감수제/바인더의 중량비로 0.005∼0.04의 감수제가 혼합된 혼합수 : 혼합수/바인더의 중량비로 0.2∼0.4가 첨가된 시멘트 메트릭스에 1차 보강재인 탄소섬유를 1.0~4.0vol% 첨가하여 충분히 혼합한 후, 2차 보강재인 강재를 1.0∼2.0vol%첨가하여 통상의 방법으로 성형 및 양생하는 것을 특징으로 하는 고강도 시멘트 복합재료의 제조방법.In the method for producing a high-strength cement composite material, silica fume: 0.1 to 0.4 in the weight ratio of silica fume / binder (silica fume + cement); and mixed water of 0.005 to 0.04 water reducing agent in the weight ratio of the reducing agent / binder: mixed water / binder 1.0 to 4.0 vol% of the primary reinforcing material was added to the cement matrix to which 0.2 to 0.4 was added in a weight ratio of 1%, and then sufficiently mixed. A method for producing a high strength cementitious composite, characterized in that it is cured. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930012386A 1993-07-02 1993-07-02 Process for the preparation of composite material of cement KR960004383B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930012386A KR960004383B1 (en) 1993-07-02 1993-07-02 Process for the preparation of composite material of cement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930012386A KR960004383B1 (en) 1993-07-02 1993-07-02 Process for the preparation of composite material of cement

Publications (2)

Publication Number Publication Date
KR950003211A true KR950003211A (en) 1995-02-16
KR960004383B1 KR960004383B1 (en) 1996-04-02

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KR1019930012386A KR960004383B1 (en) 1993-07-02 1993-07-02 Process for the preparation of composite material of cement

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100306056B1 (en) * 1999-08-18 2001-09-24 유성권 A permeablility polymer composition for concrete structures and a manufaturing method thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100367998B1 (en) * 2000-03-02 2003-01-14 한천구 Method for manufacturing concrete protection against explosion

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100306056B1 (en) * 1999-08-18 2001-09-24 유성권 A permeablility polymer composition for concrete structures and a manufaturing method thereof

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Publication number Publication date
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