JPS582249A - コンクリ−トのワ−カビリテイ改良方法 - Google Patents
コンクリ−トのワ−カビリテイ改良方法Info
- Publication number
- JPS582249A JPS582249A JP9931781A JP9931781A JPS582249A JP S582249 A JPS582249 A JP S582249A JP 9931781 A JP9931781 A JP 9931781A JP 9931781 A JP9931781 A JP 9931781A JP S582249 A JPS582249 A JP S582249A
- Authority
- JP
- Japan
- Prior art keywords
- concrete
- performance water
- added
- slump
- sodium salt
- 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.)
- Granted
Links
- 239000004567 concrete Substances 0.000 title claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 239000004568 cement Substances 0.000 claims description 10
- 159000000000 sodium salts Chemical class 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 4
- 239000001630 malic acid Substances 0.000 description 4
- 235000011090 malic acid Nutrition 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 1
- NVVZQXQBYZPMLJ-UHFFFAOYSA-N formaldehyde;naphthalene-1-sulfonic acid Chemical compound O=C.C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 NVVZQXQBYZPMLJ-UHFFFAOYSA-N 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9931781A JPS582249A (ja) | 1981-06-26 | 1981-06-26 | コンクリ−トのワ−カビリテイ改良方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9931781A JPS582249A (ja) | 1981-06-26 | 1981-06-26 | コンクリ−トのワ−カビリテイ改良方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS582249A true JPS582249A (ja) | 1983-01-07 |
| JPH0134944B2 JPH0134944B2 (enrdf_load_stackoverflow) | 1989-07-21 |
Family
ID=14244256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9931781A Granted JPS582249A (ja) | 1981-06-26 | 1981-06-26 | コンクリ−トのワ−カビリテイ改良方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS582249A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6183660A (ja) * | 1984-09-26 | 1986-04-28 | 三洋化成工業株式会社 | 早期強度発現型セメント製品の製造方法 |
| JPS6338530A (ja) * | 1986-07-31 | 1988-02-19 | Kobe Steel Ltd | 連続焼鈍用冷延鋼板の母材の製造方法 |
| US4786331A (en) * | 1986-07-18 | 1988-11-22 | Lion Corporation | Cement dispersion agent |
-
1981
- 1981-06-26 JP JP9931781A patent/JPS582249A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6183660A (ja) * | 1984-09-26 | 1986-04-28 | 三洋化成工業株式会社 | 早期強度発現型セメント製品の製造方法 |
| US4786331A (en) * | 1986-07-18 | 1988-11-22 | Lion Corporation | Cement dispersion agent |
| JPS6338530A (ja) * | 1986-07-31 | 1988-02-19 | Kobe Steel Ltd | 連続焼鈍用冷延鋼板の母材の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0134944B2 (enrdf_load_stackoverflow) | 1989-07-21 |
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