JPS638254A - Cement composition - Google Patents
Cement compositionInfo
- Publication number
- JPS638254A JPS638254A JP15205986A JP15205986A JPS638254A JP S638254 A JPS638254 A JP S638254A JP 15205986 A JP15205986 A JP 15205986A JP 15205986 A JP15205986 A JP 15205986A JP S638254 A JPS638254 A JP S638254A
- Authority
- JP
- Japan
- Prior art keywords
- cement
- cement composition
- composition according
- emulsion
- ceramic inorganic
- 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
Links
- 239000004568 cement Substances 0.000 title claims description 30
- 239000000203 mixture Substances 0.000 title claims description 16
- 239000000839 emulsion Substances 0.000 claims description 20
- 239000000919 ceramic Substances 0.000 claims description 9
- 229920000620 organic polymer Polymers 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 6
- 239000010440 gypsum Substances 0.000 claims description 5
- 229910052602 gypsum Inorganic materials 0.000 claims description 5
- 229910010272 inorganic material Inorganic materials 0.000 claims description 5
- 239000011147 inorganic material Substances 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000011398 Portland cement Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 2
- 239000004567 concrete Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 238000005904 alkaline hydrolysis reaction Methods 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000004579 marble Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- -1 Polyethylene Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、セメント組成物、特に歩道橋等の舗装及び建
造物の屋根部等の防水施工に最適なセメント組成物の改
良に関するものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to the improvement of cement compositions, particularly cement compositions that are most suitable for paving pedestrian bridges and waterproofing the roofs of buildings.
〈従来の技術〉
従来より、歩道橋、桟橋、船舶の甲板や建造物には、一
般にモルタル系の舗装や外装が寵されているが、従来の
コンクリートは固化の際に収縮によって亀裂を生じやす
く、特に薄肉状のコンクリートでは振動や衝撃によって
破損するので耐久性にも問題があった。<Conventional technology> Mortar-based pavements and exteriors have traditionally been preferred for pedestrian bridges, piers, ship decks, and structures, but conventional concrete tends to crack due to shrinkage during solidification. In particular, thin-walled concrete is susceptible to damage due to vibration or impact, so there are also problems with its durability.
そこでセメント、砂、砂利等を合成樹脂微粉末のエマル
ジョン、を用いて混和してコンクリート化、することに
より、同化時の亀裂及び固化後の対衝撃性を増す方法が
開発された。Therefore, a method was developed in which cement, sand, gravel, etc. are mixed with an emulsion of fine synthetic resin powder to form concrete, thereby increasing crack resistance during assimilation and impact resistance after solidification.
〈発明が解決しようとする問題点〉
しかし、これらコンクリートは、下地の状態によっては
セメントの脱カルシウム現象によるアルカリ加水分解が
おこり、フクレ、ハガレが生じるという問題点があった
。<Problems to be Solved by the Invention> However, these concretes have a problem in that alkaline hydrolysis occurs due to cement decalcification depending on the condition of the base, causing blistering and peeling.
本願発明者は、上記の問題を改善するため脱色工夫検討
の結果本発明を完成するに至った。The inventor of the present invention has completed the present invention as a result of studies on decolorization techniques to improve the above-mentioned problems.
く問題点を解決するための手段〉
セメント、石膏、有機ボリマーエマルジタン、砂・砂利
等の骨材、を主成分として混和したセメント混和物にセ
ラミックス系無機質を５〜１０重量部添加して上記問題
点を解決した。Measures to solve these problems> 5 to 10 parts by weight of ceramic inorganic material is added to a cement mixture containing cement, gypsum, organic polymer emulgitan, and aggregates such as sand and gravel as main components. The above problems have been resolved.
く作 用〉
セラミックス系無機質（ＫＭｇｚ、ＭｇＯ，ＫＡＩｔ等
）を添加することにより、発生するカルシウムイオンと
有機ポリマーエマルジョンか有機的に反応してコンクリ
ートの割れ目を自動的にふさぎフクレ、ハガレの発生を
防止させる。Effect: By adding ceramic inorganic materials (KMgz, MgO, KAIt, etc.), the generated calcium ions and organic polymer emulsion organically react to automatically close cracks in concrete and prevent blistering and peeling. prevent it.
〈実施例〉
以下に本発明の実施例を示すが、勿論本発明は、これに
限定されるものではない。<Examples> Examples of the present invention are shown below, but the present invention is of course not limited thereto.
本発明のセメント組成物は、セメント、石膏、有機ボリ
マーエマルノヨン、砂・砂利等の骨材、及びセラミック
ス系無機質を５〜ＩＯ重量部加え混和したものである。The cement composition of the present invention is a mixture of cement, gypsum, organic polymer emulsion, aggregate such as sand and gravel, and ceramic inorganic material in an amount of 5 to 10 parts by weight.
セメントはポルトランドセメント、アルミナセメントの
単品または双方を使用する。As for cement, Portland cement, alumina cement, or both may be used.
石膏（ＣａＳＯ４２１１ｔＯ）は、一般に市販されてい
るらのを使用する。As the gypsum (CaSO4211tO), commercially available gypsum is used.
セメントによって結合される骨材は、砂と砂利に大理石
、チタン鉱石の粉を混入したものが歩道橋などの舗装路
に使用する場合には最適であるが、建造物に使用する場
合には砂と砂利だけであってもよい。Aggregates bound by cement, such as sand and gravel mixed with marble and titanium ore powder, are optimal for use in paved roads such as pedestrian bridges, but when used in buildings, sand and gravel are the most suitable. It may be just gravel.
６機ポリマーエマルジョンは、例えば次のものより少な
くとも一種またはそれ以上を目的に応じ選択して使用す
ればよい。For example, at least one or more of the following may be selected and used as the 6-polymer emulsion depending on the purpose.
各種ゴムエマルノヨン
ブタジェン系エマルジョン
ポリエチレン系エマルジジン
ポリエステル系エマルジジン
アクリル系エマルジョン
酢酸ビニル系エマルジョン
エボキン系エマルジョン
ポリアミド系エマルジョン
塩化ビニリデン系エマルジョン
ポリビニルアルコール系エマルノヨン
ポリウレタン系エマルジョン
アセクール系エマルジョン
セラミックス系無機質は、ＫＭｇ３．ＭｇＯ９ＫＡｌｔ
等、即ち天然物としてはタルク、マイカ等を５〜ＩＯ重
量部添加すればよい。Various Rubber Emuls Noyon Butadiene Emulsion Polyethylene Emulsion Polyester Emulsion Digin Acrylic Emulsion Vinyl Acetate Emulsion Evoquin Emulsion Polyamide Emulsion Vinylidene Chloride Emulsion Polyvinyl Alcohol Emulsion Noyon Polyurethane Emulsion Acecool Emulsion Ceramics Inorganic , KMg3. MgO9KAlt
In other words, as natural products, 5 to 10 parts by weight of talc, mica, etc. may be added.
以上のようにしたセメント組成物は、セラミックス系無
機質を添加することによりカルシウムイオンか発生し、
それが有機ポリマーエマルジョンと反応してコンクリー
トの割れ目を自動的にふさぐようになり、コンクリート
の割れ目から入った水によっておこるアルカリ加水分解
によるコンクリートのフクレやハガレを防ぐことができ
る。The cement composition as described above generates calcium ions by adding ceramic minerals,
It reacts with the organic polymer emulsion and automatically closes cracks in the concrete, preventing blistering and peeling of the concrete due to alkaline hydrolysis caused by water entering the cracks.
尚、有機ポリマーエマルジョンにエヂレン系を使用すれ
ば耐候性・耐水性が、酢酸ビニル系を使用すれば接着性
が、アクリル系を使用すれば透明性が得られる。Incidentally, if an ethylene type organic polymer emulsion is used, weather resistance and water resistance can be obtained, if a vinyl acetate type is used, adhesiveness can be obtained, and if an acrylic type is used, transparency can be obtained.
又、骨材に大理石やチタン鉱石等の硬度の高い粉末を入
れると、舗装路等に使用した場合には、一層重熱性・対
摩耗性・対衝撃性が増し、露出工法の耐久性が増すとい
う役割を果たすことができる。In addition, if hard powder such as marble or titanium ore is added to the aggregate, when used on paved roads, it will further increase its resistance to heavy heat, abrasion, and impact, increasing the durability of the exposed construction method. It can play this role.
以上のセメント組成物をテストした結果を、次ぎに示す
。尚、セメントにはアルミナセメントを、有機ポリマー
エマルジョンにはアクリル系エマルジョンを使用した。The results of testing the above cement composition are shown below. Note that alumina cement was used as the cement, and acrylic emulsion was used as the organic polymer emulsion.
（試験条件）
固形分（重量％）６５ｚ
粘 度 Ｃ／Ｓ ３０
００ Ｃ／５ＰＨ６，５〜７．０
（テスト結果）
屈曲強度 φ３ｍｍ １８０°曲げ破壊剥離な
し
圧縮強度 １６００Ｋｇ／ａｍ’破壊なし
接着力 対鉄板
１９ Ｋｇ／ｃｔｉ”
透水率 水圧３Ｋｇ／ｃｍ’Ｘ １ｈｒ０．
１８ ｇ
耐候性（防水膜の促進テスト）
２灯紫外光線・射水１３分７１２０分
カーボンウェザ−メータ ２００時間
異常なし
耐アルカリ試験 ３ ＄ Ｎ ａ ＯＩＩ Ｘ ７
日浸漬異常なし
衝撃試験
デュポン型、１／２＝ Ｘ ５００ｇｘ ５０ｃｍ割れ
、剥がれなし
〈発明の効果〉
以上のように、本発明のセメント組成物は、コンクリー
トの割れ目を自動的にふさぐ効果が有るため、歩道橋に
使用すれば雨水の浸水によるコンフートのフクレやハガ
レを防ぐだけでなく鉄骨橋梁部分の腐食を防ぐ効果を有
する。(Test conditions) Solid content (weight%) 65z Viscosity C/S 30
00 C/5PH6,5~7.0 (Test results) Flexural strength φ3mm 180° bend Compressive strength without breakage and peeling 1600Kg/am' Adhesive strength without breakage to steel plate 19 Kg/cti" Water permeability Water pressure 3Kg/cm'X 1hr0.
18 g Weather resistance (accelerated waterproof membrane test) 2-lamp ultraviolet light/water injection 13 minutes 7120 minutes Carbon weather meter 200 hours no abnormalities Alkali resistance test 3 $ N a OII X 7
Day immersion impact test with no abnormalities DuPont type, 1/2 = x 500g x 50cm No cracking or peeling <Effects of the Invention> As described above, the cement composition of the present invention has the effect of automatically closing cracks in concrete. When used on pedestrian bridges, it not only prevents blistering and peeling of the footbridge due to rainwater infiltration, but also has the effect of preventing corrosion of steel bridge sections.
又、建造物等・特に屋根部に使用すれば、雨水による鉄
筋・鉄骨の腐食を防ぎ建造物の耐久年限を長くするとい
う効果を存する。In addition, when used on buildings, especially roofs, it has the effect of preventing corrosion of reinforcing bars and steel frames due to rainwater and extending the lifespan of the building.
以上より明らかなように、本発明は存用かつ実用的な発
明である。As is clear from the above, the present invention is an existing and practical invention.
Claims (1)
砂利を主成分とする骨材、を主成分として混和したセメ
ント混和物にセラミックス系無機質を５〜１０重量部添
加したことを特徴とするセメント組成物。 ２）セメントがポルトランドセメントを主成分としたセ
メントであることを特徴とする特許請求の範囲第１項記
載のセメント組成物。 ３）セメントがアルミナセメントを主成分としたセメン
トであることを特徴とする特許請求の範囲第１項記載の
セメント組成物。 ４）セラミックス系無機質がＫＭｇ＿３を含むものであ
ることを特徴とする特許請求の範囲第１項〜第３項のい
ずれかに記載のセメント組成物。 ５）セラミックス系無機質がＭｇＯを含むものであるこ
とを特徴とする特許請求の範囲第１項〜第３項のいずれ
かに記載のセメント組成物。 ６）セラミックス系無機質がＫＡｌ＿２を含むものであ
ることを特徴とする特許請求の範囲第１項〜第３項のい
ずれかに記載のセメント組成物。[Claims] 1) Cement, gypsum, organic polymer emulsion, sand/
A cement composition characterized in that 5 to 10 parts by weight of a ceramic inorganic material is added to a cement mixture mixed with an aggregate mainly composed of gravel. 2) The cement composition according to claim 1, wherein the cement is a cement whose main component is Portland cement. 3) The cement composition according to claim 1, wherein the cement is a cement containing alumina cement as a main component. 4) The cement composition according to any one of claims 1 to 3, wherein the ceramic inorganic substance contains KMg_3. 5) The cement composition according to any one of claims 1 to 3, wherein the ceramic inorganic material contains MgO. 6) The cement composition according to any one of claims 1 to 3, wherein the ceramic inorganic substance contains KAl_2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15205986A JPS638254A (en) | 1986-06-28 | 1986-06-28 | Cement composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15205986A JPS638254A (en) | 1986-06-28 | 1986-06-28 | Cement composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS638254A true JPS638254A (en) | 1988-01-14 |
Family
ID=15532155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15205986A Pending JPS638254A (en) | 1986-06-28 | 1986-06-28 | Cement composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS638254A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55140753A (en) * | 1979-04-20 | 1980-11-04 | Matsushita Electric Works Ltd | Manufacture of inorganic hardened body |
| JPS5650160A (en) * | 1979-09-26 | 1981-05-07 | Jirou Takei | Cementtcontaining coating composition |
-
1986
- 1986-06-28 JP JP15205986A patent/JPS638254A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55140753A (en) * | 1979-04-20 | 1980-11-04 | Matsushita Electric Works Ltd | Manufacture of inorganic hardened body |
| JPS5650160A (en) * | 1979-09-26 | 1981-05-07 | Jirou Takei | Cementtcontaining coating composition |
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