JPH08183677A - Cement hardened body and its production - Google Patents
Cement hardened body and its productionInfo
- Publication number
- JPH08183677A JPH08183677A JP6326211A JP32621194A JPH08183677A JP H08183677 A JPH08183677 A JP H08183677A JP 6326211 A JP6326211 A JP 6326211A JP 32621194 A JP32621194 A JP 32621194A JP H08183677 A JPH08183677 A JP H08183677A
- Authority
- JP
- Japan
- Prior art keywords
- binder
- pts
- hardened
- cement
- aggregate
- 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.)
- Withdrawn
Links
- 239000004568 cement Substances 0.000 title claims abstract description 59
- 238000004519 manufacturing process Methods 0.000 title claims description 24
- 239000011230 binding agent Substances 0.000 claims abstract description 40
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 9
- 239000001110 calcium chloride Substances 0.000 claims abstract description 9
- 235000011148 calcium chloride Nutrition 0.000 claims abstract description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 7
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 10
- 239000011800 void material Substances 0.000 claims description 6
- 235000011147 magnesium chloride Nutrition 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 8
- 239000004575 stone Substances 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 6
- 230000003472 neutralizing effect Effects 0.000 abstract description 3
- 239000000377 silicon dioxide Substances 0.000 abstract description 3
- 239000011398 Portland cement Substances 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 abstract description 2
- 239000010881 fly ash Substances 0.000 abstract description 2
- 229910001504 inorganic chloride Inorganic materials 0.000 abstract description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- 230000032683 aging Effects 0.000 abstract 1
- 229910001628 calcium chloride Inorganic materials 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 239000011435 rock Substances 0.000 abstract 1
- 239000002893 slag Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 22
- 238000009472 formulation Methods 0.000 description 13
- 239000002689 soil Substances 0.000 description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 239000002585 base Substances 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 230000008635 plant growth Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000002786 root growth Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators or shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/12—Acids or salts thereof containing halogen in the anion
- C04B22/124—Chlorides of ammonium or of the alkali or alkaline earth metals, e.g. calcium chloride
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/0051—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof characterised by the pore size, pore shape or kind of porosity
- C04B38/0058—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof characterised by the pore size, pore shape or kind of porosity open porosity
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Cultivation Of Plants (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Finishing Walls (AREA)
- Laminated Bodies (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は建築物の内装及び外装等
の植物の育成基盤として適用される緑化基盤用コンクリ
ートに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a concrete for greening base which is applied as a base for growing plants such as interior and exterior of buildings.
【０００２】[0002]
【従来の技術】従来のこの種のものは、特開平６−２２
８９６７号に緑化基盤コンクリートの製造方法が開示さ
れこれは骨材を低アルカリ型のセメントからなるバイン
ダーで固化して、連続空隙部を有するコンクリート硬化
体を形成し、次いで得られたコンクリート硬化体を酸性
のガス又は溶液等で中和処理すると共に空隙部への酸性
保水材の充填処理を施すことを特徴とし、植物の生育に
適した緑化基盤コンクリートの製造方法及び連続空隙部
が形成されたコンクリート硬化体が示されている。2. Description of the Related Art A conventional one of this type is disclosed in JP-A-6-22.
No. 8967 discloses a method for producing greening-based concrete, in which an aggregate is solidified with a binder composed of a low alkali type cement to form a concrete hardened body having continuous voids, and then the obtained hardened concrete is A method for producing a greening base concrete suitable for plant growth and a concrete in which continuous voids are formed, which is characterized by performing a neutralization treatment with an acidic gas or a solution, etc. and a filling treatment of an acidic water retaining material into the voids. A cured body is shown.
【０００３】[0003]
【発明が解決しようとする課題】しかし上記従来例で
は、緑化基盤コンクリートを製造する際の基盤内部のア
ルカリ性物質を中和するため酸性のガス又は溶液等で中
和処理すると共に空隙部へ酸性保水材を充填処理を施す
ことが必要であり製造方法が複雑になっていた。本発明
は上記の点に鑑みてなされたものであり、バインダー自
身のアルカリ度を低下させたセメント硬化体及びその製
造方法を提供することを目的とするものである。However, in the above-mentioned conventional example, in order to neutralize the alkaline substance in the base during the production of the greened base concrete, neutralization treatment is carried out with an acidic gas or solution and the water retention is carried out in the voids. It was necessary to fill the material, and the manufacturing method was complicated. The present invention has been made in view of the above points, and an object of the present invention is to provide a cement hardened product in which the alkalinity of the binder itself is reduced and a method for producing the same.
【０００４】[0004]
【課題を解決するための手段】本発明の請求項１記載の
セメント硬化体の製造方法は、塩化物を含有したバイン
ダーを製造後、該バインダーを骨材周囲に付着させ、次
いでこれらを固化させて連続空隙部を有すると共にバイ
ンダーのアルカリ度を低下させた板状のセメント硬化体
を形成することを特徴とするものである。According to a first aspect of the present invention, there is provided a method for producing a hardened cement product, which comprises producing a binder containing chloride, adhering the binder around the aggregate, and then solidifying the binder. The present invention is characterized in that a plate-shaped cement hardened body having continuous voids and having a reduced alkalinity of the binder is formed.
【０００５】本発明の請求項２記載のセメント硬化体の
製造方法は、請求項１記載のセメント硬化体の製造方法
においてバインダーに含有する塩化物を二塩化カルシウ
ム又は二塩化マグネシウムとし、その含有重量を１乃至
８パーセントとしたものである。The method for producing a hardened cement product according to a second aspect of the present invention is the method for producing a hardened cement product according to the first aspect, wherein the chloride contained in the binder is calcium dichloride or magnesium dichloride, and the content weight thereof is Is 1 to 8%.
【０００６】本発明の請求項３記載のセメント硬化体
は、低アルカリ型のセメントからなるバインダーで骨材
を固化してなるセメント硬化体であって、二塩化カルシ
ウム又は二塩化マグネシウムを１乃至８重量パーセント
含有したバインダーを骨材周囲に付着させこれらを固化
させて連続空隙部を有すると共にバインダーのアルカリ
度を低下させたことを特徴とするものである。[0006] The hardened cement product according to claim 3 of the present invention is a hardened cement product obtained by solidifying an aggregate with a binder composed of a low-alkali type cement, and contains 1 to 8 of calcium dichloride or magnesium dichloride. It is characterized in that a binder, which is contained in a weight percentage, is adhered to the periphery of the aggregate to solidify them so as to have continuous voids and reduce the alkalinity of the binder.
【０００７】[0007]
【作用】本発明の請求項１記載のセメント硬化体の製造
方法にあっては、バインダーを骨材周囲に付着させた
後、これらを固化させるためバインダーが骨材の周囲の
みに存在しセメント硬化体が連続空隙部を形成する。ま
たバインダーに塩化物を含有するため硬化の際アルカリ
成分を炭酸ガスにより炭酸化して中和する効果を大きく
しバインダーのアルカリ度を低下させる。In the method for producing a hardened cement product according to the first aspect of the present invention, after the binder is adhered to the periphery of the aggregate, the binder is present only around the aggregate in order to solidify them and the cement is hardened. The body forms a continuous void. In addition, since the binder contains chloride, the effect of carbonating and neutralizing the alkaline component with carbon dioxide gas during curing is increased, and the alkalinity of the binder is lowered.
【０００８】本発明の請求項２記載のセメント硬化体の
製造方法にあっては、バインダーに含有する塩化物を適
正な材料及び配合とした。即ち二塩化カルシウム又は二
塩化マグネシウムとし、その含有重量を１乃至８パーセ
ントとしたことによりバインダーのアルカリ度を著しく
低下させる。In the method for producing a hardened cement product according to the second aspect of the present invention, chloride contained in the binder is used as an appropriate material and compound. That is, the alkalinity of the binder is remarkably lowered by using calcium dichloride or magnesium dichloride and setting the content weight thereof to 1 to 8%.
【０００９】本発明の請求項３記載のセメント硬化体に
あっては、バインダーが骨材の周囲のみに存在するため
連続空隙部を有すると共に硬化の際アルカリ成分を炭酸
ガスにより炭酸化して中和するのでバインダーのアルカ
リ度が著しく低いものである。In the hardened cement product according to the third aspect of the present invention, since the binder is present only around the aggregate, it has continuous voids and at the time of hardening, the alkali component is carbonized by carbon dioxide gas to neutralize it. Therefore, the alkalinity of the binder is extremely low.
【００１０】[0010]
【実施例】図１は本発明の一の実施例であるセメント硬
化体の製造方法により製造されたセメント硬化体の部分
拡大図である。このセメント硬化体４は骨材１とバイン
ダー２と連続空隙部３とから構成される。まずバインダ
ー２の配合について説明する。EXAMPLE FIG. 1 is a partially enlarged view of a hardened cement product manufactured by a method for manufacturing a hardened cement product according to an embodiment of the present invention. The hardened cement body 4 is composed of an aggregate 1, a binder 2 and a continuous void 3. First, the composition of the binder 2 will be described.
【００１１】表１は本発明の一の実施例であるセメント
硬化体の製造方法により製造されたセメント硬化体のバ
インダーの配合を示す。Table 1 shows the composition of the binder of the hardened cement produced by the method for producing a hardened cement according to one embodiment of the present invention.
【００１２】[0012]
【表１】 [Table 1]
【００１３】配合１乃至配合４はおのおの本発明の一の
実施例の配合であり配合５乃至６は比較例の配合を示
す。配合１乃至配合４はアルカリ性の成分が極力少なく
かつ接着強度が発揮できる配合として水とポルトランド
セメントとポゾラン質の混合物即ち高炉水砕、フライア
ッシュを主体として、高性能減水剤を添加することによ
り流動性を向上して配合水量を極力少なくすると共に更
に無機塩化物である二塩化カルシウムを添加することに
より硬化の際アルカリ成分を炭酸ガスにより炭酸化して
中和する効果を大きくしてＰＨを低下させる。また二塩
化カルシウムの含有重量は配合１、２、３及び４のそれ
ぞれが適正範囲である１乃至８パーセントの範囲に納ま
るようにした。Formulations 1 to 4 are the formulations of one embodiment of the present invention, and Formulations 5 to 6 are the formulations of the comparative examples. Blends 1 to 4 are blends of water, Portland cement, and pozzolanic substances, that is, granulated blast furnace granules and fly ash, which have a minimal amount of alkaline components and exhibit adhesive strength, and flow by adding a high-performance water reducing agent. By improving the properties and reducing the amount of water to be mixed as much as possible, by further adding calcium dichloride, which is an inorganic chloride, the effect of carbonating and neutralizing the alkaline component with carbon dioxide gas during curing is increased and the PH is lowered. . Further, the content weight of calcium dichloride was set within the range of 1 to 8%, which is an appropriate range for each of the formulations 1, 2, 3 and 4.
【００１４】次に上記セメント硬化体４の製造方法につ
いて説明する。まず表１の配合１のバインダー１００部
に対して骨材１として砕石（６号ケイ石）を５００部加
え混合し砕石表面がバインダーでまぶされた状態の集合
物を寸法が３００mm×３００mm×１００mmの型枠に充填
する。次にこれを密閉状態で摂氏８０度の温度で１２０
時間蒸気養生して硬化させた後、一ヵ月戸外放置するこ
とにより炭酸化しセメント硬化体４を得た。配合２乃至
配合６についてもバインダー１００部に対して骨材１と
して砕石（６号ケイ石）を５００部配合１の場合と同様
の方法でセメント硬化体４を得た。Next, a method for manufacturing the hardened cement body 4 will be described. First, 500 parts of crushed stone (No. 6 silica stone) as aggregate 1 is added to 100 parts of the binder of formulation 1 in Table 1 and mixed, and the aggregate with the crushed stone surface sprinkled with the binder has a size of 300 mm × 300 mm × Fill a 100 mm formwork. Then, in a sealed state at a temperature of 80 degrees Celsius for 120
After curing by steaming for a period of time and curing, it was left outdoors for one month to be carbonated and a cement-hardened body 4 was obtained. With respect to each of Formulations 2 to 6, 500 parts of crushed stone (No. 6 silica stone) was used as the aggregate 1 with respect to 100 parts of the binder, and a hardened cement body 4 was obtained by the same method as in the case of Formulation 1.
【００１５】上記セメント硬化体４の性能評価を以下に
示す方法で実施した。上記配合１乃至配合６のセメント
硬化体４を準備し各々のセメント硬化体４に土を充填
し、充填された土のＰＨの経時変化を測定しその結果を
得た。図２は本発明の一の実施例であるセメント硬化体
の製造方法により製造されたセメント硬化体に充填され
た土のＰＨの経時変化を示すグラフである。図２中横軸
の数字は経過した時間（週）を示す。図２中縦軸の数字
はＰＨを示す。○は配合１のセメント硬化体４、●は配
合２のセメント硬化体４、△は配合３のセメント硬化体
４、▲は配合４のセメント硬化体４、□は配合５のセメ
ント硬化体４ａ、■は配合６のセメント硬化体４ａを示
す。図２から明らかなように配合１乃至配合４のセメン
ト硬化体４に土を充填した場合は、土のアルカリ度を植
物の生育に適したＰＨ７以上９以下に保持することがで
きる。一方配合５乃至６即ち比較例の配合のセメント硬
化体４ａに土を充填した場合は土のアルカリ度を植物の
生育に適したＰＨ７以上９以下に保持することができな
い。The performance evaluation of the hardened cement 4 was carried out by the following method. The cement hardened bodies 4 of the above Formulations 1 to 6 were prepared, each cement hardened body 4 was filled with soil, and the time-dependent change of the PH of the filled soil was measured to obtain the result. FIG. 2 is a graph showing the change over time of the PH of the soil filled in the cement hardened body produced by the method for producing a cement hardened body according to one embodiment of the present invention. The number on the horizontal axis in FIG. 2 indicates the elapsed time (week). The numbers on the vertical axis in FIG. 2 indicate PH. ◯ is the hardened cement 4 of the formulation 1, ● is the hardened cement 4 of the mixture 2, Δ is the hardened cement 4 of the blend 3, ▲ is hardened cement 4 of the blend 4, □ is hardened cement 4 a of the blend 5, (2) shows the cement hardened body 4a of the mixture 6. As is clear from FIG. 2, when the hardened cemented product 4 of the formulations 1 to 4 is filled with soil, the alkalinity of the soil can be maintained at PH 7 or more and 9 or less suitable for plant growth. On the other hand, when the cement hardened bodies 4a of the formulations 5 to 6, that is, the formulation of the comparative example are filled with soil, the alkalinity of the soil cannot be maintained at PH7 or more and 9 or less suitable for plant growth.
【００１６】上記セメント硬化体４の使用方法を以下に
説明する。図３は本発明の一の実施例であるセメント硬
化体の製造方法により製造されたセメント硬化体の使用
状態を示す断面図である。基礎７の上にセメント硬化体
４を設置しセメント硬化体４の連続空隙部３に土５を充
填し土５の中に植物６を植える。図２から明らかなよう
にセメント硬化体４に土を充填した場合は、土のアルカ
リ度をＰＨ７以上９以下に保持することができるので植
物６の生育に適している。A method of using the hardened cement body 4 will be described below. FIG. 3 is a cross-sectional view showing a usage state of a hardened cement product manufactured by the method for manufacturing a hardened cement product according to one embodiment of the present invention. The hardened cement body 4 is installed on the foundation 7, the continuous void portion 3 of the hardened cement body 4 is filled with soil 5, and the plant 6 is planted in the soil 5. As is clear from FIG. 2, when the cement hardened body 4 is filled with soil, the alkalinity of the soil can be maintained at PH 7 or more and 9 or less, which is suitable for the growth of the plant 6.
【００１７】[0017]
【発明の効果】本発明の請求項１記載のセメント硬化体
の製造方法にあっては、該製造方法により製造されたセ
メント硬化体が連続空隙部を有すると共に、硬化の際ア
ルカリ成分を炭酸ガスにより炭酸化して中和する効果を
大きくしそのアルカリ度を低下させるため簡易な製造方
法でセメント硬化体のアルカリ度を低下させることがで
きる。According to the method for producing a hardened cement product according to the first aspect of the present invention, the hardened cement product produced by the manufacturing method has continuous voids, and at the time of hardening, an alkaline component is added to carbon dioxide gas. Thus, the effect of carbonation and neutralization is increased and the alkalinity thereof is lowered, so that the alkalinity of the hardened cement product can be lowered by a simple manufacturing method.
【００１８】本発明の請求項２記載のセメント硬化体の
製造方法にあっては、請求項１記載のセメント硬化体の
製造方法の効果に加えてセメント質のバインダーのアル
カリ度を著しく低下させることができる。In the method for producing a hardened cement product according to claim 2 of the present invention, in addition to the effect of the method for producing a hardened cement product according to claim 1, the alkalinity of the cementitious binder is remarkably reduced. You can
【００１９】本発明の請求項３記載のセメント硬化体に
あっては、植物が健全な成長をし、根が伸びるために必
要な連続的な空隙量を有し、かつセメント内部のＰＨが
健全な植物の育成が可能な範囲に維持させることができ
る。In the hardened cement product according to claim 3 of the present invention, the plant has a healthy amount of growth, has a continuous void amount necessary for root growth, and has a healthy PH inside the cement. It can be maintained within a range where it is possible to grow various plants.
【図１】本発明の一の実施例であるセメント硬化体の製
造方法により製造されたセメント硬化体の部分拡大図で
ある。FIG. 1 is a partially enlarged view of a hardened cement product manufactured by a method for manufacturing a hardened cement product according to an embodiment of the present invention.
【図２】同上セメント硬化体に充填された土のＰＨの経
時変化を示すグラフである。FIG. 2 is a graph showing a time-dependent change in PH of soil filled in the cement hardened product.
【図３】同上セメント硬化体の使用状態を示す断面図で
ある。FIG. 3 is a cross-sectional view showing a usage state of the above cement hardened body.
１ 骨材 ２ バインダー ３ 連続空隙部 ４ セメント硬化体 1 Aggregate 2 Binder 3 Continuous void 4 Cement hardened body
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｅ０４Ｆ 13/14 １０２ Ａ 8913−2Ｅ // Ｅ０２Ｄ 17/20 １０４ Ｂ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI Technical display area E04F 13/14 102 A 8913-2E // E02D 17/20 104 B
Claims (3)
該バインダーを骨材周囲に付着させ、次いでこれらを固
化させて連続空隙部を有すると共にバインダーのアルカ
リ度を低下させた板状のセメント硬化体を形成すること
を特徴とするセメント硬化体の製造方法。1. After mixing a binder containing chloride,
A method for producing a hardened cement product, which comprises adhering the binder around an aggregate and then solidifying the binder to form a plate-shaped hardened cement product having a continuous void portion and having a reduced alkalinity of the binder. .
ルシウム又は二塩化マグネシウムとし、その含有重量を
１乃至８パーセントとした請求項１記載のセメント硬化
体の製造方法。2. The method for producing a hardened cement product according to claim 1, wherein the chloride contained in the binder is calcium dichloride or magnesium dichloride, and the content weight thereof is 1 to 8%.
ダーで骨材を固化してなるセメント硬化体であって、二
塩化カルシウム又は二塩化マグネシウムを１乃至８重量
パーセント含有したバインダーを骨材周囲に付着させこ
れらを固化させて連続空隙部を有すると共にバインダー
のアルカリ度を低下させたことを特徴とするセメント硬
化体。3. A cement hardened product obtained by solidifying an aggregate with a binder made of low-alkali type cement, wherein a binder containing 1 to 8% by weight of calcium dichloride or magnesium dichloride is attached to the periphery of the aggregate. Then, a hardened cement product is obtained by solidifying these to have continuous voids and reducing the alkalinity of the binder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6326211A JPH08183677A (en) | 1994-12-27 | 1994-12-27 | Cement hardened body and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6326211A JPH08183677A (en) | 1994-12-27 | 1994-12-27 | Cement hardened body and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08183677A true JPH08183677A (en) | 1996-07-16 |
Family
ID=18185243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6326211A Withdrawn JPH08183677A (en) | 1994-12-27 | 1994-12-27 | Cement hardened body and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08183677A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010007400A1 (en) * | 2008-06-23 | 2010-01-21 | University Court Of The University Of Aberdeen | A concrete mixture and method of forming the same |
-
1994
- 1994-12-27 JP JP6326211A patent/JPH08183677A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010007400A1 (en) * | 2008-06-23 | 2010-01-21 | University Court Of The University Of Aberdeen | A concrete mixture and method of forming the same |
| US8979997B2 (en) | 2008-06-23 | 2015-03-17 | University Court Of The University Of Aberdeen | Concrete mixture and method of forming the same |
| AP3512A (en) * | 2008-06-23 | 2016-01-05 | Enviromental Building Partnership Ltd | A concrete mixture and method of forming the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20020305 |