JPH01148728A - Method for applying ceramics - Google Patents
Method for applying ceramicsInfo
- Publication number
- JPH01148728A JPH01148728A JP30827487A JP30827487A JPH01148728A JP H01148728 A JPH01148728 A JP H01148728A JP 30827487 A JP30827487 A JP 30827487A JP 30827487 A JP30827487 A JP 30827487A JP H01148728 A JPH01148728 A JP H01148728A
- Authority
- JP
- Japan
- Prior art keywords
- ceramics
- pbo
- concrete
- heating
- sio2
- 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
- 239000000919 ceramic Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims description 9
- 239000004567 concrete Substances 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 230000008018 melting Effects 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 7
- 238000005524 ceramic coating Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052593 corundum Inorganic materials 0.000 abstract description 5
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052681 coesite Inorganic materials 0.000 abstract description 4
- 229910052906 cristobalite Inorganic materials 0.000 abstract description 4
- 239000000377 silicon dioxide Substances 0.000 abstract description 4
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 4
- 229910052682 stishovite Inorganic materials 0.000 abstract description 4
- 229910052905 tridymite Inorganic materials 0.000 abstract description 4
- 229910011255 B2O3 Inorganic materials 0.000 abstract description 3
- 150000007513 acids Chemical class 0.000 abstract description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 2
- YEXPOXQUZXUXJW-UHFFFAOYSA-N lead(II) oxide Inorganic materials [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 abstract 2
- LTPBRCUWZOMYOC-UHFFFAOYSA-N Beryllium oxide Chemical compound O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 abstract 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract 1
- 239000002241 glass-ceramic Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 8
- 230000006866 deterioration Effects 0.000 description 7
- 239000004570 mortar (masonry) Substances 0.000 description 6
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000374 eutectic mixture Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000007966 viscous suspension Substances 0.000 description 1
Landscapes
- Glass Compositions (AREA)
Abstract
Description
【発明の詳細な説明】 (技術分野) この発明は、セラミック塗布工法に関するものである。[Detailed description of the invention] (Technical field) The present invention relates to a ceramic coating method.
さらに詳しくは、この発明は、耐熱性、耐酸性、あるい
は無収縮コンクリート構造体もしくはその横築に有用な
セラミック塗布工法に関するものである。More specifically, the present invention relates to a ceramic coating method useful for heat-resistant, acid-resistant, or non-shrink concrete structures or their horizontal construction.
(背景波tR)
セメントコンクリート構造体の表面には仕上げ工法とし
てモルタルを塗布したり、あるいは硬化性樹脂層を被覆
して耐水性、耐乾性、耐酸性などの特性を付与すること
か従来から行われてきている。(Background wave tR) As a finishing method, the surface of a cement concrete structure is coated with mortar or coated with a hardening resin layer to impart properties such as water resistance, dryness resistance, and acid resistance. It's getting worse.
たとえば、塗床工法においては、コンクリート打設後、
乾燥させ、表面の粗面状態、a縮によるクラックなどを
補修して仕上げるためにモルタルをその上部に塗布する
ことか行われてきている。For example, in the coated floor method, after concrete is poured,
After drying, mortar is applied to the top of the surface to repair and finish the rough surface and cracks caused by a shrinkage.
また、このような塗床工法たけでなく、下水道などに用
いられるヒユーム管やホックスカルバ−等のセメント構
造物の表面にも、モルタルを塗布したり、あるいは熱硬
1ヒ性樹脂を塗布して耐水性、耐酸性を向上させ、劣化
を防止することかしばしば行われてきている。In addition to this coating method, mortar or thermosetting resin is also applied to the surface of cement structures such as humid pipes and hox carvers used in sewerage systems. It has often been attempted to improve water resistance and acid resistance and prevent deterioration.
しかしながら、これら従来のモルタル塗布においては、
セメント質特有の乾燥劣1ヒ、中性化、アルカリ反応劣
化などが避けられず、特に酸性分に対して著しく弱いと
いう欠点があった。また、硬化性樹脂による塗布層の形
成については、特別なポリマーを使用することから・陽
めてコスト高となり、現場施工が難しく、しかも耐久性
の点ではいまたに充分ではないという欠点があった。し
かもこの樹脂の場合にはセメント基材層とのなじみが良
好でなく、接合界面からの剥離も発生しやすいという欠
点かあった。However, in these conventional mortar applications,
It has the disadvantage that it cannot avoid drying problems, neutralization, alkaline reaction deterioration, etc., which are characteristic of cement, and is particularly sensitive to acidic components. Furthermore, forming a coating layer using a curable resin has the drawbacks of being expensive, difficult to apply on-site, and lacking in durability due to the use of a special polymer. Ta. Moreover, this resin has the disadvantage that it does not fit well with the cement base layer and is likely to peel off from the bonding interface.
このため、耐水性、耐乾性、耐酸性、さらには耐久性に
優れ、現場施工性が良好であって、ピンホール等の劣化
要因もない低コストな表面施工法の実現か望まれていた
。Therefore, it has been desired to realize a low-cost surface construction method that is excellent in water resistance, dryness resistance, acid resistance, and durability, has good field workability, and is free from deterioration factors such as pinholes.
(発明の目的)
この発明は、以上の通りの事情に鑑みてなされたもので
あり、従来の表面施工法の欠点を改善し、耐水性、耐乾
性、耐酸性、さらには耐久性に優れ、収縮ひずみによる
劣化抑制作用および現場施工性が良好で低コストな、新
しい表面施工法として5、セラミックスを用いたセラミ
ック塗布工法を提供することを目的としている。(Objective of the Invention) This invention was made in view of the above circumstances, and improves the drawbacks of conventional surface construction methods, and provides excellent water resistance, dryness resistance, acid resistance, and further durability. The purpose of the present invention is to provide a ceramic coating method using ceramics as a new surface construction method that suppresses deterioration due to shrinkage strain, has good field workability, and is low cost.
(発明の開示)
この発明のセラミック塗布工法は、上記の目的を実現す
るために、P b O、S 102 。(Disclosure of the Invention) In order to achieve the above object, the ceramic coating method of the present invention uses P b O, S 102 .
BOおよびA12o3のうち少くとも2成分を主成分と
して含有するガラス質セラミックスを加熱溶融し、コン
クリート表面に塗布することを特徴としている。It is characterized by heating and melting vitreous ceramics containing at least two of BO and A12o3 as main components and applying it to the concrete surface.
ガラス質セラミックスとしてこの発明に用いるものは、
比較的低温度において溶融することのできるPbO,S
iO、B O、Al2O3を主成分とするものを用い
るが、たとえば、PbOとSio2とからなる珪酸鉛に
対してAl2O3を添加すると耐酸性は著しく大きなも
のとなり、共融点混合物となるまで融点を低くする。た
とえば、その共融混合物の組成はPb0・ 0.254
AI 0 ・ 1.91 S iO2で、ガラス
生成は730℃からはじまり、770℃で完全に溶融す
る。The glassy ceramics used in this invention are:
PbO,S that can be melted at relatively low temperatures
The main components used are iO, B O, and Al2O3. For example, when Al2O3 is added to lead silicate consisting of PbO and Sio2, the acid resistance increases significantly, and the melting point is lowered until it becomes a eutectic mixture. do. For example, the composition of the eutectic mixture is Pb0.0.254
At AI 0 · 1.91 SiO2, glass formation starts at 730°C and completely melts at 770°C.
これ以上Al2O3を多くすると、耐酸性は向上するが
、溶融温度が高くなる。このため、適用対象に応じて組
成割合を適宜に選択することが望ましい。If Al2O3 is increased more than this, the acid resistance will improve, but the melting temperature will increase. Therefore, it is desirable to appropriately select the composition ratio depending on the application target.
耐酸性および耐水性の点からは、pbo。In terms of acid resistance and water resistance, pbo.
A12o3.Sio2.B2O3以外のものとしてZn
O,BaO,CaOを添加することもできる。BeOも
有効であり、さらにT iO2、Z iO2の添加も好
ましいものである。これらの他成分はその添加を適宜に
選択できる。A12o3. Sio2. Zn as other than B2O3
O, BaO, and CaO can also be added. BeO is also effective, and addition of TiO2 and ZiO2 is also preferable. The addition of these other components can be appropriately selected.
酸および水への溶解性が低く、この発明において好まし
く用いられるガラス質セラミックスとしでは、たとえば
、次のような組成のものが実施例として例示される。Examples of vitreous ceramics having low solubility in acids and water and preferably used in the present invention include those having the following compositions.
+1) PbO(1,0モル、61.2重量%)A I
203(0,254、7,1)S i O(1,91
,31,7)
(2) PbO(1,0モル、65.01重量%)Si
O(2,0モル、34.99]
(3) PbO(1,0モル、71.0重量%)A
I 203(0,073,2,5)S i O(1,3
0,24,5>
T i O(0,080,2,0)
(4) K O(0,07モル、0,21重量%)C
aO(0,10,1,77)
PbO(0,33,58,44)
A I2O3(0,20、0,43>
SiO(1,75,33,15)
(5) PbO(1,00モル、54.15重址%)A
1203 (0,20,4,95)SiO(2,50
,36,43)
ZrO(0,15、4,47)
(6)B O(0,31モル)
A12o3 (0,27モル)
この発明の施工方法は、これらのガラス質セラミックス
を、ガスバーナーおよびヒーター等の加熱手段によって
加熱し、溶融する。加熱温度は、500℃以上とするの
か好ましい。この加熱によって吸水性をなくし、溶融物
をコンクリート構造体の表面に塗布する。+1) PbO (1.0 mol, 61.2 wt%) A I
203(0,254,7,1)S i O(1,91
,31,7) (2) PbO (1.0 mol, 65.01 wt%)Si
O (2.0 mol, 34.99] (3) PbO (1.0 mol, 71.0 wt%) A
I 203(0,073,2,5)S i O(1,3
0,24,5> T i O (0,080,2,0) (4) K O (0,07 mol, 0,21% by weight)C
aO(0,10,1,77) PbO(0,33,58,44) A I2O3(0,20,0,43> SiO(1,75,33,15) (5) PbO(1,00 mol , 54.15%)A
1203 (0,20,4,95)SiO(2,50
, 36, 43) ZrO (0,15, 4,47) (6) B O (0,31 mol) A12o3 (0,27 mol) The construction method of this invention uses these vitreous ceramics in a gas burner and It is heated and melted by a heating means such as a heater. Preferably, the heating temperature is 500°C or higher. This heating eliminates water absorption and the melt is applied to the surface of the concrete structure.
この場合、該ガラス質セラミックスをあらかじめ粉粒体
として散布し、またはセルロースその他バインダーによ
ってサスペンションとし、これを塗布した後に、ガスバ
ーナー、ヒーター等によって加熱してもよい。アスファ
ルトの塗布と同様の方法によって塗布することもできる
。In this case, the vitreous ceramic may be dispersed in the form of powder or granules or made into a suspension with cellulose or other binder, and after being applied, it may be heated with a gas burner, heater, or the like. It can also be applied by a method similar to that of asphalt.
たとえば第1図に示したように、ヒユーム管製造におい
て、コンクリートヒユーム管(1)を回転させながら、
内表面にガラス質セラミックスの溶融物(2)を、溶融
炉(3)から導きながら塗布してもよい、あるいは、比
較的粘性の高いサスペンションを塗布し、ガスバーナー
によって溶融するようにしてもよい。For example, as shown in Figure 1, in the production of hume pipes, while rotating the concrete hume pipe (1),
A vitreous ceramic melt (2) may be applied to the inner surface while being guided from a melting furnace (3), or a relatively highly viscous suspension may be applied and melted with a gas burner. .
ガラス質セラミックスの塗布によって、コンクリート横
遺体の表面には硬質ガラス層が形成され、耐水性、耐酸
性、さらには耐乾性は著しく向上し、コンクリートの劣
化は効果的に抑制されることになる。特に注目すべきこ
とは、現場施工が容易で、加熱温度か低くてすみ、ピン
ホールがなく、かつ収縮性のないセラミック被覆層が形
成されることである。しかも、このガラス質セラミック
スの場合には、応力変形による多少のひずみにも対応す
ることができる。By applying vitreous ceramics, a hard glass layer is formed on the surface of the concrete horizontal body, significantly improving water resistance, acid resistance, and even dryness resistance, and effectively suppressing the deterioration of concrete. Particularly noteworthy is that it is easy to apply on-site, requires low heating temperatures, and forms a pinhole-free and non-shrinkable ceramic coating. Furthermore, in the case of this glassy ceramic, it is possible to cope with some distortion due to stress deformation.
このような特質は、従来のモルタル塗布や、硬化・詐樹
脂による被覆には期待できなかったことである。Such characteristics could not be expected from conventional mortar application or coating with hardened/condensed resin.
耐酸性ヒユーム管、無収縮コンクリート構造物などの広
い範囲にわたって有用な施工法である。It is a useful construction method for a wide range of applications, including acid-resistant hume pipes and non-shrinkage concrete structures.
次にこの発明の詳細な説明する6
実施例
内径5001′mmのヒユーム管に、厚さ21のガラス
質セラミックス層を形成した。Next, the present invention will be described in detail.6 Example: A vitreous ceramic layer having a thickness of 21 mm was formed on a hume tube having an inner diameter of 5001 mm.
ガラス質セラミックスとしては、
PbO61重量%
A I 203 5重量%
S iO234重量%
の組成物を用い、740℃に加熱して溶融させたちのを
、ヒユーム管を回転させながら内面塗布した。As the glassy ceramic, a composition of 61% by weight of PbO, 5% by weight of AI203, and 34% by weight of SiO2 was used, heated to 740° C. to melt it, and then applied to the inner surface while rotating the hum tube.
得られたヒユーム管は、l−1231,2重量%の水溶
液に6ケ月間さらしたが、この酸性分による内壁面の劣
化は全く発生しなかった。The obtained hume tube was exposed to an aqueous solution containing 1.2% by weight of l-123 for 6 months, but no deterioration of the inner wall surface due to this acidic content occurred.
比較例
ガラス質セラミックスに代えてモルタル塗布したヒユー
ム管を製造した。Comparative Example A humid tube coated with mortar instead of vitreous ceramics was manufactured.
実施例と同様にして耐酸性試験を行ったが、表面の劣化
が進行し、クラックは深さ5〜6111にまで達してい
た。An acid resistance test was conducted in the same manner as in the example, but the surface deterioration progressed and the cracks reached a depth of 5 to 6111 mm.
(発明の効果)
この発明によって、以上詳しく説明したように、耐酸性
、耐水性、耐乾性、さらに耐久性に優れ、現場施工か容
易な、低コスト表面施工法が実現される。(Effects of the Invention) As explained in detail above, the present invention realizes a low-cost surface construction method that has excellent acid resistance, water resistance, dryness resistance, and durability, and is easy to perform on-site construction.
第1図は、この発明の実施例を示した断面図である。
1・・・コンクリートヒユーム管
2・・・ガラス質セラミックス溶融物
3・・・溶融炉
代理人 弁理士 西 澤 利 大笑 1
図FIG. 1 is a sectional view showing an embodiment of the invention. 1... Concrete fume pipe 2... Glassy ceramic melt 3... Melting furnace representative Patent attorney Toshi Nishizawa Big laugh 1
figure
Claims (1)
2O_3のうちの少くとも2成分を主成分として含有す
るガラス質セラミックスを加熱溶融し、コンクリート表
面に塗布することを特徴とするセラミック塗布工法。(1) PbO, SiO_2, B_2O_3 and Al_
A ceramic coating method characterized by heating and melting vitreous ceramics containing at least two of 2O_3 as main components and applying the melted glass to a concrete surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30827487A JPH01148728A (en) | 1987-12-05 | 1987-12-05 | Method for applying ceramics |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30827487A JPH01148728A (en) | 1987-12-05 | 1987-12-05 | Method for applying ceramics |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01148728A true JPH01148728A (en) | 1989-06-12 |
Family
ID=17979051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP30827487A Pending JPH01148728A (en) | 1987-12-05 | 1987-12-05 | Method for applying ceramics |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01148728A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58140378A (en) * | 1982-02-10 | 1983-08-20 | 旭化成株式会社 | Manufacture of ceramic laminate |
JPS61122176A (en) * | 1984-11-14 | 1986-06-10 | 吉川工業株式会社 | High weather resistance cement construction material |
-
1987
- 1987-12-05 JP JP30827487A patent/JPH01148728A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58140378A (en) * | 1982-02-10 | 1983-08-20 | 旭化成株式会社 | Manufacture of ceramic laminate |
JPS61122176A (en) * | 1984-11-14 | 1986-06-10 | 吉川工業株式会社 | High weather resistance cement construction material |
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