JP4822536B2 - アルカリ金属塩の風化防止方法 - Google Patents
アルカリ金属塩の風化防止方法 Download PDFInfo
- Publication number
- JP4822536B2 JP4822536B2 JP2006353381A JP2006353381A JP4822536B2 JP 4822536 B2 JP4822536 B2 JP 4822536B2 JP 2006353381 A JP2006353381 A JP 2006353381A JP 2006353381 A JP2006353381 A JP 2006353381A JP 4822536 B2 JP4822536 B2 JP 4822536B2
- Authority
- JP
- Japan
- Prior art keywords
- alkali metal
- metal salt
- deliquescent
- mortar
- weathering
- 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.)
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- -1 alkali metal salt Chemical class 0.000 title claims description 36
- 229910052783 alkali metal Inorganic materials 0.000 title claims description 35
- 238000000034 method Methods 0.000 title claims description 27
- 230000002265 prevention Effects 0.000 title description 5
- 239000002245 particle Substances 0.000 claims description 45
- 239000004568 cement Substances 0.000 claims description 23
- 239000004570 mortar (masonry) Substances 0.000 claims description 20
- 239000000843 powder Substances 0.000 claims description 20
- 239000004567 concrete Substances 0.000 claims description 13
- 239000006072 paste Substances 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims 1
- 239000011800 void material Substances 0.000 claims 1
- 239000000945 filler Substances 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- 238000003860 storage Methods 0.000 description 10
- 238000012856 packing Methods 0.000 description 7
- 229910021532 Calcite Inorganic materials 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 229910052593 corundum Inorganic materials 0.000 description 4
- 239000010431 corundum Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011398 Portland cement Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- KWMLJOLKUYYJFJ-UHFFFAOYSA-N 2,3,4,5,6,7-Hexahydroxyheptanoic acid Chemical class OCC(O)C(O)C(O)C(O)C(O)C(O)=O KWMLJOLKUYYJFJ-UHFFFAOYSA-N 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical class OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910052936 alkali metal sulfate Inorganic materials 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical class OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000007580 dry-mixing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- LJCNRYVRMXRIQR-OLXYHTOASA-L potassium sodium L-tartrate Chemical compound [Na+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O LJCNRYVRMXRIQR-OLXYHTOASA-L 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910021487 silica fume Inorganic materials 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 235000011006 sodium potassium tartrate Nutrition 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Description
A2;硫酸カリウム(凝結促進用、平均粒径50μm)
A3;クエン酸ナトリウム(凝結遅延用、平均粒径50μm)
A4;ロッシェル塩(凝結遅延用、平均粒径50μm)
B1;カルサイト(平均粒径6μm、20μm超の粒子含有率14質量%)
B2;カルサイト(平均粒径15μm、20μm超の粒子含有率41質量%)
B3;カルサイト(平均粒径5μm、20μm超の粒子含有率0質量%)
B4;コランダム(平均粒径45μm、20μm超の粒子含有率80質量%)
B5;アルミナセメント(平均粒径7μm、20μm超の粒子含有率18質量%)
B6;早強ポルトランドセメント(平均粒径8μm、20μm超の粒子含有率15質量%)
Claims (1)
- セメントペースト、モルタル又はコンクリートに使用する潮解性を有するアルカリ金属塩の風化防止方法であって、該セメントペースト、モルタル又はコンクリートに使用される非潮解質無機粉末の何れか1種又は2種以上を平均粒径8μm以下であって20μmを超える粒子含有率を25質量%未満にし、500体積部以上の非潮解質無機粉末中に100体積部の潮解性を有するアルカリ金属塩を分散させて、空隙率が65体積%未満の充填体にせしめることを特徴とする潮解性を有するアルカリ金属塩の風化防止方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006353381A JP4822536B2 (ja) | 2006-12-27 | 2006-12-27 | アルカリ金属塩の風化防止方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006353381A JP4822536B2 (ja) | 2006-12-27 | 2006-12-27 | アルカリ金属塩の風化防止方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008162835A JP2008162835A (ja) | 2008-07-17 |
JP4822536B2 true JP4822536B2 (ja) | 2011-11-24 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006353381A Active JP4822536B2 (ja) | 2006-12-27 | 2006-12-27 | アルカリ金属塩の風化防止方法 |
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JP (1) | JP4822536B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6096039B2 (ja) * | 2013-04-12 | 2017-03-15 | 太平洋マテリアル株式会社 | 急結剤 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5729410B2 (ja) * | 1974-01-26 | 1982-06-22 | ||
JPS63123848A (ja) * | 1986-11-10 | 1988-05-27 | 麻生セメント株式会社 | セメントミルク工法用懸濁液の現場調液用混和材 |
JP3566371B2 (ja) * | 1994-12-16 | 2004-09-15 | 株式会社エムアイテック | 低温にさらされるコンクリート用混和剤 |
JP2000233959A (ja) * | 1999-02-10 | 2000-08-29 | Taiheiyo Cement Corp | クリンカ粉砕物、およびこれを含む早強性セメント組成物、コンクリート並びにコンクリート製品 |
JP3501373B2 (ja) * | 2001-02-09 | 2004-03-02 | 三菱マテリアル株式会社 | 速硬性軽量充填モルタル |
-
2006
- 2006-12-27 JP JP2006353381A patent/JP4822536B2/ja active Active
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JP2008162835A (ja) | 2008-07-17 |
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