JP2003095715A5 - - Google Patents

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Publication number
JP2003095715A5
JP2003095715A5 JP2001286262A JP2001286262A JP2003095715A5 JP 2003095715 A5 JP2003095715 A5 JP 2003095715A5 JP 2001286262 A JP2001286262 A JP 2001286262A JP 2001286262 A JP2001286262 A JP 2001286262A JP 2003095715 A5 JP2003095715 A5 JP 2003095715A5
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JP
Japan
Prior art keywords
cement
aggregate
hardened
agent
water
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.)
Pending
Application number
JP2001286262A
Other languages
Japanese (ja)
Other versions
JP2003095715A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2001286262A priority Critical patent/JP2003095715A/en
Priority claimed from JP2001286262A external-priority patent/JP2003095715A/en
Publication of JP2003095715A publication Critical patent/JP2003095715A/en
Publication of JP2003095715A5 publication Critical patent/JP2003095715A5/ja
Pending legal-status Critical Current

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Description

【特許請求の範囲】
【請求項1】
セメント硬化体中の水酸化カルシウムと反応して水不溶性物を生成する薬剤を含む防水剤
・止水剤・劣化抑止剤が混入された硬化体であり、天然の粗骨材・細骨材と同等の性能を
有し前記薬剤が徐放作用を呈することを特徴とするセメント硬化体用骨材。
【請求項2】
前記セメント硬化体中の水酸化カルシウムと反応して水不溶性物を生成する薬剤を含む防
水剤・止水剤・劣化抑止剤と、必要に応じポルトランドセメントとを多孔質体より成る担
体に担荷させたことを特徴とする請求項1記載のセメント硬化体用骨材。
【請求項3】
前記セメント硬化体中の水酸化カルシウムと反応して水不溶性物を生成する薬剤を含む防
水剤・止水剤・劣化抑止剤に、必要に応じポルトランドセメントを追加して得られた粒体
で天然の粗骨材または細骨材と同等の性能を有する硬化体であることを特徴とする請求項
1記載のセメント硬化体用骨材。
【請求項4】
前記セメント硬化体中の水酸化カルシウムと反応して水不溶性物を生成する薬剤を含む防
水剤・止水剤・劣化抑止剤に、必要に応じポルトランドセメントを追加し、これに水を加
えて得られた粒体で天然の粗骨材または細骨材と同等の性能を有する硬化体であることを
特徴とする請求項1記載のセメント硬化体用骨材。
【請求項5】
前記セメント硬化体中の水酸化カルシウムと反応して水不溶性物を生成する薬剤を含む防
水剤・止水剤・劣化抑止剤に、必要に応じポルトランドセメントを追加し、これに水と砂
を加えて得られた粒体で天然の粗骨材または細骨材と同等の性能を有する硬化体であるこ
とを特徴とする請求項1記載のセメント硬化体用骨材。
【請求項6】
前記セメント硬化体中の水酸化カルシウムと反応して水不溶性物を生成する薬剤を含む防
水剤・止水剤・劣化抑止剤に、必要に応じポルトランドセメントを追加し、これに水と砂
とファイバ−を加えて得られた粒体で天然の粗骨材または細骨材と同等の性能を有する硬
化体であることを特徴とする請求項1記載のセメント硬化体用骨材。
【請求項7】
前記担体が、空孔径0.01〜3mm、空孔率5〜60Vol%、圧縮強度30kg/c
以上の多孔質体であることを特徴とする請求項2記載のセメント硬化体用骨材。
【請求項8】
前記硬化体が、押圧固化された後、ポルトランドセメントの水和反応により硬化したもの
であることを特徴とする請求項1、3、4、5、6のいずれか1項に記載のセメント硬化
体用骨材。
【請求項9】
前記硬化体が、吐出用ノズルにより押出し成形された連続体を切断し固化体とした後、ポ
ルトランドセメントの水和反応により硬化したものであることを特徴とする請求項1、3
、4、5、6のいずれか1項に記載のセメント硬化体用骨材。
【請求項10】
前記硬化体が棒状またはペレット状であることを特徴とする請求項1、3、4、5、6、
8、9記載のセメント硬化体用骨材。
【請求項11】
セメントコンクリ−トに使用されるものであって、粒径が0.5〜45mmであることを
特徴とする請求項1乃至10のいずれか1項に記載のセメント硬化体用骨材。
【請求項12】
セメントモルタルに使用されるものであって、粒径が0.5〜5mmであることを特徴と
する請求項1乃至10のいずれか1項に記載のセメント硬化体用骨材。
【請求項13】
前記押圧固化が、面圧50kg/cm以上あるいは線圧200kg/cm以上の圧力で
成されることを特徴とする請求項8記載のセメント硬化体用骨材。
【請求項14】
請求項1乃至13のいずれか1項に記載のセメント硬化体用骨材を含むことを特徴とする
セメント硬化体。
[Claims]
(1)
It is a hardened body mixed with a waterproofing agent, a water stopping agent, and a deterioration inhibitor containing a chemical that reacts with calcium hydroxide in a hardened cement body to form a water-insoluble substance. An aggregate for a hardened cement material, wherein the aggregate has the same performance and the drug exhibits a sustained release action.
(2)
Carrying a porous material with a waterproofing agent / water stopping agent / deterioration inhibitor containing an agent that reacts with calcium hydroxide in the hardened cement to form a water-insoluble substance, and Portland cement as needed The aggregate for a hardened cement body according to claim 1, wherein the aggregate is made.
(3)
Naturally obtained granules obtained by adding Portland cement as necessary to a waterproofing agent / water stopping agent / deterioration inhibitor containing an agent which reacts with calcium hydroxide in the cement hardened body to produce a water-insoluble substance. The aggregate for a cured cement body according to claim 1, wherein the aggregate is a cured body having performance equivalent to that of the coarse aggregate or the fine aggregate.
(4)
To a waterproofing agent / water stopping agent / deterioration inhibitor containing an agent which reacts with calcium hydroxide in the hardened cement to form a water-insoluble substance, Portland cement is added as necessary, and water is added thereto to obtain a cement. The aggregate for a hardened cement body according to claim 1, wherein the hardened body is a hardened body having performance equivalent to that of a natural coarse aggregate or a fine aggregate in the obtained granules.
(5)
To a waterproofing agent, a water stopping agent, and a deterioration inhibitor containing an agent that reacts with calcium hydroxide in the hardened cement to generate a water-insoluble substance, Portland cement is added as necessary, and water and sand are added thereto. The aggregate for hardened cement according to claim 1, characterized in that the obtained granule is a hardened material having the same performance as natural coarse aggregate or fine aggregate.
6.
Portland cement is added to the waterproofing agent / water stopping agent / deterioration inhibitor containing an agent which reacts with calcium hydroxide in the hardened cement to generate a water-insoluble substance, if necessary, and water, sand and fiber are added to this. The aggregate for a cement-hardened body according to claim 1, wherein the aggregate obtained by adding-is a hardened body having the same performance as natural coarse aggregate or fine aggregate.
7.
The carrier has a pore diameter of 0.01 to 3 mm, a porosity of 5 to 60 Vol%, and a compressive strength of 30 kg / c.
cement-body bone material according to claim 2, characterized in that the m 2 or more porous bodies.
8.
The cured cement according to any one of claims 1, 3, 4, 5, and 6, wherein the cured product is cured by pressurization and then hydrated by Portland cement. Aggregate.
9.
The hardened body is obtained by cutting a continuous body extruded by a discharge nozzle into a solidified body, and then hardening by a hydration reaction of Portland cement.
7. The aggregate for a hardened cement body according to any one of 4, 5, 5, and 6.
10.
The hardened body is in the form of a rod or a pellet,
10. Aggregate for hardened cement according to 8 or 9.
11.
The aggregate for a cured cement body according to any one of claims 1 to 10 , which is used for cement concrete and has a particle size of 0.5 to 45 mm.
12.
The aggregate for a cured cement body according to any one of claims 1 to 10 , which is used for cement mortar and has a particle size of 0.5 to 5 mm.
Claim 13
The pressing solidification, surface pressure 50 kg / cm 2 or more, or a linear pressure of 200 kg / cm or more claims 8 cement-body bone material, wherein the done at a pressure of.
14.
A hardened cement material comprising the aggregate for hardened cement material according to any one of claims 1 to 13 .

JP2001286262A 2001-09-20 2001-09-20 Aggregate for hardened cement, and hardened cement Pending JP2003095715A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001286262A JP2003095715A (en) 2001-09-20 2001-09-20 Aggregate for hardened cement, and hardened cement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001286262A JP2003095715A (en) 2001-09-20 2001-09-20 Aggregate for hardened cement, and hardened cement

Publications (2)

Publication Number Publication Date
JP2003095715A JP2003095715A (en) 2003-04-03
JP2003095715A5 true JP2003095715A5 (en) 2007-05-10

Family

ID=19109280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001286262A Pending JP2003095715A (en) 2001-09-20 2001-09-20 Aggregate for hardened cement, and hardened cement

Country Status (1)

Country Link
JP (1) JP2003095715A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011057520A (en) 2009-09-14 2011-03-24 Sumitomo Osaka Cement Co Ltd Cement admixture, method for producing the same, and cement composition, mortar and concrete each containing the cement admixture
JP5856443B2 (en) * 2011-11-11 2016-02-09 国立大学法人 東京大学 Cement admixture and cement composition
KR102106800B1 (en) * 2018-12-05 2020-05-07 주식회사 인트켐 Manufacturing Method Of Hybrid Waterproofing Admixture With Self-Healing Properties And Cement Binder Composition Using The Waterproofing Admixture

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2521274B2 (en) * 1987-01-24 1996-08-07 ジャパン・ザイペックス株式会社 Crystal deterioration suppressor for concrete deterioration
JPH01320284A (en) * 1988-06-22 1989-12-26 Toru Shimizu Agent for increasing crystals in concrete and mortar
JP2694190B2 (en) * 1988-07-11 1997-12-24 長田 武志 Concrete deterioration inhibiting composition
JP3884118B2 (en) * 1996-12-26 2007-02-21 博三 三橋 Concrete repair liquid containing bone aggregate, concrete containing the same, and method for producing the same
JPH1192188A (en) * 1997-09-19 1999-04-06 Nippon Kayaku Co Ltd Aggregate for mortar or concrete and mortar or concrete composition
JP3085939B2 (en) * 1998-11-10 2000-09-11 西松建設株式会社 Repair method for cracks in concrete structures

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