JP2004203640A - Concrete raw material - Google Patents

Concrete raw material Download PDF

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Publication number
JP2004203640A
JP2004203640A JP2002371986A JP2002371986A JP2004203640A JP 2004203640 A JP2004203640 A JP 2004203640A JP 2002371986 A JP2002371986 A JP 2002371986A JP 2002371986 A JP2002371986 A JP 2002371986A JP 2004203640 A JP2004203640 A JP 2004203640A
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Japan
Prior art keywords
parts
weight
raw material
concrete
zeolite
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
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JP2002371986A
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Japanese (ja)
Inventor
Sanji Kamigaki
三次 神垣
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KAMIGAKIGUMI KK
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KAMIGAKIGUMI KK
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Priority to JP2002371986A priority Critical patent/JP2004203640A/en
Publication of JP2004203640A publication Critical patent/JP2004203640A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

<P>PROBLEM TO BE SOLVED: To provide an environmentally friendly concrete raw material which solidifies to yield a concrete body having a moisture-controlling property, a deodorizing power and an air-purifying power, prevents dew formation and mold growth and has a weakly alkaline pH. <P>SOLUTION: The concrete raw material is prepared by mixing 316 pts.wt. quartz sand, 53 pts.wt. diatomaceous earth or zeolite, 3.89 pts.wt. silica fume and 1.37 pts.wt. zirconia into 100 pts.wt. alumina cement. The environmentally friendly concrete body, obtained by kneading the concrete raw material with water and solidifying it, shows no decrease in strength, exerts the moisture-controlling property and the air-purifying power through the action of diatomaceous earth or zeolite, prevents dew formation and mold growth, has a weakly alkaline pH of 10 and prevents elution of hexavalent chromium. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は、所要量の水で混練して型枠内に流し込んでコンクリートの建造物躯体・ブロック・板を形成し、又は物品表面に塗布・吹付けすることによってコンクリート固形体を形成するためのコンクリート原料に関する。珪藻土,ゼオライトを多量に混入できて空気浄化力・調湿・吸水力を有し、しかも強度低下がないコンクリート体を形成できるコンクリートに係る。
【0002】
【従来の技術】
従来のポルトランドセメントを用いたコンクリートは、弱い吸水性があるが、空気中の多くの水蒸気を取り込むような調湿性はなく、又室内の空気の浄化力はなかった。コンクリート壁はコンクリート成形時はコンクリート臭があり、又長年使用すると結露してカビが発生させ易いものであった。
一方、珪藻土・ゼオライト(天然ゼオライト及び人工ゼオライト両方含む)は多孔質であり、調湿力・脱臭力があり、珪藻土は古くから塗壁の中に混入されて使用され、室内の調湿と脱臭・浄化があるとされてきた。しかしながら、ポルトランドセメントに珪藻土,ゼオライトを多く混入すると、成形されたコンクリート体の強度が低下するものであった。
又樹脂系固化材で珪藻土を固化する材料もあるが、樹脂が入るのでシックハウス症候群の原因となったり、樹脂の終年変化・紫外線日光による劣化によって強度が大きく低下し、長年使用に問題があった。又樹脂が珪藻土の細孔を潰して珪藻土の特性を失効させていた。
【0003】
【発明が解決しようとする課題】
本発明が解決しようとする課題は、従来のこれらの問題点を解消し、強度の低下なく多量の珪藻土・ゼオライトを混入でき、調湿力・脱臭力・空気浄化力を有するコンクリートにできるコンクリート原料を提供することにある。
【0004】
【課題を解決するための手段】
かかる課題を解決した本発明の構成は、
1) アルミナセメントと珪砂と珪藻土とを主原料とし、これにシリカヒュームとジルコニアとを添加して混合し、水と混練して固化させたコンクリート体に調湿性があるコンクリート原料
2) アルミナセメント100重量部に対し、珪砂を200〜400重量部,珪藻土を20〜70重量部,シリカヒュームを1〜25重量部,ジルコニアを0.2〜8.0重量部の割合で混合した前記1)記載のコンクリート原料
3) アルミナセメントと珪砂とゼオライトとを主原料とし、これにシリカヒュームとジルコニアとを添加して混合し、水と混練して固化させたコンクリート体に調湿性があるコンクリート原料
4) アルミナセメント100重量部に対し、珪砂を200〜400重量部,ゼオライトを30〜70重量部,シリカヒュームを1〜25重量部,ジルコニアを0.2〜8.0重量部の割合で混合した前記3)記載のコンクリート原料
5) アルミナセメントと珪砂と珪藻土とゼオライトとを主原料とし、これにシリカヒュームとジルコニアとを添加して混合し、水と混練して固化させたコンクリート体に調湿性があるコンクリート原料
6) アルミナセメント100重量部に対し、珪砂を200〜400重量部,珪藻土を15〜40重量部,ゼオライトを15〜40重量部,シリカヒュームを1〜25重量部,ジルコニアを0.2〜8.0重量部の割り合いで混合した前記5)記載のコンクリート原料
にある。
【0005】
【発明の実施の形態】
本発明においては、アルミナセメントと珪砂とは一緒に使用され、ベース材となっている。その両者の比率は1:2〜4の重量比が実用的であり、又強度を高めるためにシリカヒューム(マイクロシリカ等の微粒シリカ)とジルコニアとをアルミナセメント100重量部に対し1〜25重量部,0.2〜8.0重量部混入するのが実用的である。又本発明のコンクリート原料には必要に応じてその使用用途・外観の向上の為に着色材(色粉)を入れ、又、混合を良好にするためセメントの混和剤を、又施工上の取扱いの為及び原料成分同士の連結を高めるため増粘剤を所要量入れることができる。
本発明のゼオライトとしては、天然ゼオライトと合成された人工ゼオライトとがあるが、いずれでもよい。
本発明のコンクリート原料は、所要量の水と混練して型枠に流し込んでコンクリートブロック,コンクリート躯体,ボードにして使用することが一般的な使用方法である。あるいは所要量の水と混練したものを、壁面・クロス面の部材に塗布・吹付けて使用することもできる。
本発明で、珪藻土・ゼオライトがアルミナセメント100重量部に対し、20,30重量部以下になれば珪藻土又はゼオライトの特性(調湿性・脱臭力等)が不充分となり、又70重量部以上混入すると強度の低下が生起しはじめ、上記の範囲内が実用的なものである。
【0006】
【実施例】
以下、本発明の実施例について説明する。
実施例の原料成分の配合は下記表1の通りである。実施例1は珪藻土を入れたもの、実施例2はゼオライトを入れたものである。
【0007】
【表1】

Figure 2004203640
【0008】
これに保水増粘材と接着増強剤と混和材と着色剤を少量混入した。
【0009】
【表2】
Figure 2004203640
【0010】
本実施例1,2は珪藻土又はゼオライトが53重量部と多量に混入したことで、珪藻土・ゼオライトの多孔性の構造ゆえの調湿力を十分に発揮させ、調湿力があるコンクリート壁とすることができ、結露も無く、カビの発生も抑制できる。
pHは10以下と低く弱アルカリである。又強度は、普通ポルトランドセメントより優れている。普通ポルトランドセメントのコンクリートからは六価クロムが溶出することが知られているが、本実施例のコンクリート原料からは六価クロムの溶出が無いので、本発明のコンクリート原料を用いれば周辺環境に影響を与えない製品を提供可能である。
【0011】
更に、実施例1と実施例2の如く、珪藻土とゼオライトとを単独に混入せず、両者を同時に混入することもできる。そのときの混合量は、アルミナセメント100重量部に対し、珪藻土を15〜40重量部,ゼオライトを15〜40重量部,これにシリカヒュームを1〜25重量部,ジルコニアを0.2〜8.0重量部が、強度を落とさずにしかも珪藻土・ゼオライトの特性(調湿力・脱臭力・空気浄化力)の低下がない実用的な範囲である。
【0012】
【発明の効果】
以上の様に、本発明によれば、強度を落とすことなく珪藻土・ゼオライトを多量に混入させることができ、調湿性・脱臭力・空気浄化力が高くて環境を改善し、多孔質表面であって結露が大巾に抑えられ、カビの発生も少なく、表面の転写精度も良く、pHを弱アルカリになり中性に近付くようにでき、優れたコンクリート原料とすることができた。[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention is to form a concrete solid body by kneading with a required amount of water and pouring into a mold to form a concrete building frame, block, or plate, or by applying and spraying the article surface. Related to concrete raw materials. The present invention relates to concrete capable of forming a concrete body which has a large amount of diatomaceous earth and zeolite, has air purifying ability, humidity control and water absorbing ability, and has no strength reduction.
[0002]
[Prior art]
Although the conventional concrete using Portland cement has weak water absorption, it does not have a humidity control property to take in a large amount of water vapor in the air, and has no ability to purify indoor air. The concrete wall had a smell of concrete at the time of concrete molding, and when used for many years, it was easy to form mold due to dew condensation.
On the other hand, diatomaceous earth and zeolite (including both natural zeolite and artificial zeolite) are porous and have moisture control and deodorizing power. Diatomaceous earth has been used by mixing in painted walls for a long time to control indoor humidity and deodorize.・ It has been said that there is purification. However, when a large amount of diatomaceous earth and zeolite are mixed into Portland cement, the strength of the formed concrete body is reduced.
There is also a resin-based solidifying material that solidifies diatomaceous earth.However, resin enters, causing sick house syndrome. . In addition, the resin has crushed the pores of the diatomaceous earth and has lost the properties of the diatomaceous earth.
[0003]
[Problems to be solved by the invention]
The problem to be solved by the present invention is to solve these conventional problems, to mix a large amount of diatomaceous earth and zeolite without a decrease in strength, and to provide a concrete raw material that can be converted into concrete having humidity control, deodorizing power, and air purification power. Is to provide.
[0004]
[Means for Solving the Problems]
The configuration of the present invention that has solved such a problem includes:
1) Alumina cement, silica sand, and diatomaceous earth are used as main raw materials, and silica fume and zirconia are added thereto, mixed, kneaded with water, and solidified by mixing with water. 2) Alumina cement 100 The above 1) wherein 200 to 400 parts by weight of silica sand, 20 to 70 parts by weight of diatomaceous earth, 1 to 25 parts by weight of silica fume, and 0.2 to 8.0 parts by weight of zirconia are mixed with respect to parts by weight. Concrete raw material 3) Concrete raw material having alumina cement, silica sand and zeolite as main raw materials, silica fume and zirconia being added thereto, mixed, kneaded with water and solidified to obtain a concrete material having humidity control properties 4). 200 to 400 parts by weight of silica sand, 30 to 70 parts by weight of zeolite, and 1 to 2 parts of silica fume per 100 parts by weight of alumina cement 5) A concrete raw material as described in 3) above, in which zirconia is mixed in a ratio of 0.2 to 8.0 parts by weight. 5) Alumina cement, silica sand, diatomaceous earth and zeolite as main raw materials, and silica fume, zirconia and 6) A concrete raw material having a humidity control property in a concrete body which is mixed and kneaded with water and solidified. 6) 200 to 400 parts by weight of silica sand, 15 to 40 parts by weight of diatomaceous earth, and 100 parts by weight of alumina cement. The concrete raw material according to the above 5), wherein zeolite is mixed in a proportion of 15 to 40 parts by weight, silica fume in a proportion of 1 to 25 parts by weight, and zirconia in a proportion of 0.2 to 8.0 parts by weight.
[0005]
BEST MODE FOR CARRYING OUT THE INVENTION
In the present invention, alumina cement and silica sand are used together and serve as a base material. The ratio of the two is practically a weight ratio of 1: 2 to 4, and in order to enhance the strength, silica fume (fine silica such as micro silica) and zirconia are mixed in an amount of 1 to 25 parts by weight with respect to 100 parts by weight of alumina cement. Parts, 0.2 to 8.0 parts by weight. In addition, a coloring material (color powder) may be added to the concrete raw material of the present invention as necessary to improve its use and appearance, and a cement admixture may be added to improve the mixing, and handling during construction. For this purpose, and in order to enhance the connection between the raw material components, a required amount of a thickener can be added.
The zeolite of the present invention includes a natural zeolite and a synthetic artificial zeolite, and any of them may be used.
It is a general usage method that the concrete raw material of the present invention is kneaded with a required amount of water, poured into a formwork, and used as a concrete block, a concrete body, and a board. Alternatively, a material kneaded with a required amount of water can be applied and sprayed onto a member on a wall surface / cloth surface and used.
In the present invention, if the amount of diatomaceous earth or zeolite is less than 20, 30 parts by weight with respect to 100 parts by weight of alumina cement, the characteristics (humidity control, deodorizing power, etc.) of diatomaceous earth or zeolite become insufficient, and if more than 70 parts by weight are mixed. When the strength starts to decrease, the above range is practical.
[0006]
【Example】
Hereinafter, examples of the present invention will be described.
The composition of the raw material components in the examples is as shown in Table 1 below. Example 1 includes diatomaceous earth, and Example 2 includes zeolite.
[0007]
[Table 1]
Figure 2004203640
[0008]
A small amount of a water retention thickener, an adhesion enhancer, an admixture, and a colorant were mixed therein.
[0009]
[Table 2]
Figure 2004203640
[0010]
In Examples 1 and 2, diatomaceous earth or zeolite was mixed in a large amount of 53 parts by weight, so that the porous structure of diatomaceous earth and zeolite sufficiently exerted the humidity control power, and the concrete wall had a humidity control power. And there is no condensation, and the generation of mold can be suppressed.
The pH is as low as 10 or less and weakly alkaline. Also, the strength is superior to ordinary Portland cement. It is known that hexavalent chromium elutes from ordinary Portland cement concrete.However, since the hexavalent chromium is not eluted from the concrete raw material of this example, the use of the concrete raw material of the present invention affects the surrounding environment. Can be provided.
[0011]
Furthermore, as in Example 1 and Example 2, diatomaceous earth and zeolite can be mixed simultaneously without mixing alone. The mixing amount at that time is 15 to 40 parts by weight of diatomaceous earth, 15 to 40 parts by weight of zeolite, 1 to 25 parts by weight of silica fume, 0.2 to 8 parts of zirconia, based on 100 parts by weight of alumina cement. 0 parts by weight is a practical range without lowering the strength and without lowering the characteristics of diatomaceous earth / zeolite (humidity control / deodorizing / air purifying).
[0012]
【The invention's effect】
As described above, according to the present invention, a large amount of diatomaceous earth / zeolite can be mixed without lowering the strength, the humidity control, deodorizing power, air purification power are high, the environment is improved, and the porous surface is improved. As a result, dew condensation was suppressed to a large extent, the generation of mold was small, the surface transfer accuracy was good, the pH became weakly alkaline, and the pH became close to neutral, and an excellent concrete raw material was obtained.

Claims (6)

アルミナセメントと珪砂と珪藻土とを主原料とし、これにシリカヒュームとジルコニアとを添加して混合し、水と混練して固化させたコンクリート体に調湿性があるコンクリート原料。A concrete raw material containing alumina cement, silica sand and diatomaceous earth as main raw materials, silica fume and zirconia added thereto, mixed, kneaded with water, and solidified to give a concrete body having humidity control properties. アルミナセメント100重量部に対し、珪砂を200〜400重量部,珪藻土を20〜70重量部,シリカヒュームを1〜25重量部,ジルコニアを0.2〜8.0重量部の割合で混合した請求項1記載のコンクリート原料。200 to 400 parts by weight of silica sand, 20 to 70 parts by weight of diatomaceous earth, 1 to 25 parts by weight of silica fume, and 0.2 to 8.0 parts by weight of zirconia per 100 parts by weight of alumina cement. Item 1. The concrete raw material according to Item 1. アルミナセメントと珪砂とゼオライトとを主原料とし、これにシリカヒュームとジルコニアとを添加して混合し、水と混練して固化させたコンクリート体に調湿性があるコンクリート原料。A concrete raw material that contains alumina cement, silica sand, and zeolite as main raw materials, to which silica fume and zirconia are added, mixed, kneaded with water, and solidified to give a concrete body with humidity control. アルミナセメント100重量部に対し、珪砂を200〜400重量部,ゼオライトを30〜70重量部,シリカヒュームを1〜25重量部,ジルコニアを0.2〜8.0重量部の割合で混合した請求項3記載のコンクリート原料。200 to 400 parts by weight of silica sand, 30 to 70 parts by weight of zeolite, 1 to 25 parts by weight of silica fume, and 0.2 to 8.0 parts by weight of zirconia per 100 parts by weight of alumina cement. Item 3. The concrete raw material according to Item 3. アルミナセメントと珪砂と珪藻土とゼオライトとを主原料とし、これにシリカヒュームとジルコニアとを添加して混合し、水と混練して固化させたコンクリート体に調湿性があるコンクリート原料。A concrete raw material that contains alumina cement, silica sand, diatomaceous earth, and zeolite as main raw materials, to which silica fume and zirconia are added, mixed, kneaded with water, and solidified to form a concrete body having humidity control properties. アルミナセメント100重量部に対し、珪砂を200〜400重量部,珪藻土を15〜40重量部,ゼオライトを15〜40重量部,シリカヒュームを1〜25重量部,ジルコニアを0.2〜8.0重量部の割り合いで混合した請求項5記載のコンクリート原料。With respect to 100 parts by weight of alumina cement, 200 to 400 parts by weight of silica sand, 15 to 40 parts by weight of diatomaceous earth, 15 to 40 parts by weight of zeolite, 1 to 25 parts by weight of silica fume, and 0.2 to 8.0 parts of zirconia. The concrete raw material according to claim 5, which is mixed in a proportion of parts by weight.
JP2002371986A 2002-12-24 2002-12-24 Concrete raw material Pending JP2004203640A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101153906B1 (en) * 2010-05-12 2012-06-18 주식회사 엔바이온 The fabrication of eco-friendly deodorizing panel for the removal of harmful gas
JP2016080486A (en) * 2014-10-15 2016-05-16 株式会社神垣組 Radioactive material adsorbent and application of the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101153906B1 (en) * 2010-05-12 2012-06-18 주식회사 엔바이온 The fabrication of eco-friendly deodorizing panel for the removal of harmful gas
JP2016080486A (en) * 2014-10-15 2016-05-16 株式会社神垣組 Radioactive material adsorbent and application of the same

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