JPH0314979B2 - - Google Patents
Info
- Publication number
- JPH0314979B2 JPH0314979B2 JP60119039A JP11903985A JPH0314979B2 JP H0314979 B2 JPH0314979 B2 JP H0314979B2 JP 60119039 A JP60119039 A JP 60119039A JP 11903985 A JP11903985 A JP 11903985A JP H0314979 B2 JPH0314979 B2 JP H0314979B2
- Authority
- JP
- Japan
- Prior art keywords
- hose
- material hose
- nozzle
- quick
- carboxylic acid
- 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.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 79
- 239000000839 emulsion Substances 0.000 claims description 34
- 239000004567 concrete Substances 0.000 claims description 32
- 239000003795 chemical substances by application Substances 0.000 claims description 29
- 238000005507 spraying Methods 0.000 claims description 25
- 229920006243 acrylic copolymer Polymers 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000011378 shotcrete Substances 0.000 claims description 15
- 239000000243 solution Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims 3
- 238000007599 discharging Methods 0.000 claims 3
- 150000001735 carboxylic acids Chemical class 0.000 description 18
- 239000004568 cement Substances 0.000 description 17
- 229920000642 polymer Polymers 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 239000002562 thickening agent Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229920001577 copolymer Polymers 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 125000005250 alkyl acrylate group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- WPUINVXKIPAAHK-UHFFFAOYSA-N aluminum;potassium;oxygen(2-) Chemical compound [O-2].[O-2].[Al+3].[K+] WPUINVXKIPAAHK-UHFFFAOYSA-N 0.000 description 1
- 239000011400 blast furnace cement Substances 0.000 description 1
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000012461 cellulose resin Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- -1 sulfate ester salt Chemical class 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60119039A JPS61277769A (ja) | 1985-05-31 | 1985-05-31 | 吹付けコンクリ−トの施工方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60119039A JPS61277769A (ja) | 1985-05-31 | 1985-05-31 | 吹付けコンクリ−トの施工方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61277769A JPS61277769A (ja) | 1986-12-08 |
JPH0314979B2 true JPH0314979B2 (enrdf_load_stackoverflow) | 1991-02-28 |
Family
ID=14751434
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60119039A Granted JPS61277769A (ja) | 1985-05-31 | 1985-05-31 | 吹付けコンクリ−トの施工方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61277769A (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5827148B2 (ja) * | 2012-02-21 | 2015-12-02 | 鹿島建設株式会社 | コンクリート吹付け工法並びに、はね返り及び粉じんの低減方法 |
JP2018111992A (ja) * | 2017-01-12 | 2018-07-19 | 株式会社奥村組 | 吹付けコンクリートの施工方法 |
JP7699465B2 (ja) * | 2021-05-17 | 2025-06-27 | 清水建設株式会社 | 凝結遅延剤およびコンクリートの打継ぎ処理方法 |
-
1985
- 1985-05-31 JP JP60119039A patent/JPS61277769A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS61277769A (ja) | 1986-12-08 |