JP2013142680A - セメント硬化体用パルプの評価方法 - Google Patents
セメント硬化体用パルプの評価方法 Download PDFInfo
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- JP2013142680A JP2013142680A JP2012004490A JP2012004490A JP2013142680A JP 2013142680 A JP2013142680 A JP 2013142680A JP 2012004490 A JP2012004490 A JP 2012004490A JP 2012004490 A JP2012004490 A JP 2012004490A JP 2013142680 A JP2013142680 A JP 2013142680A
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- cod
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- 239000004568 cement Substances 0.000 title claims abstract description 78
- 238000011156 evaluation Methods 0.000 title claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000005452 bending Methods 0.000 claims abstract description 26
- 239000012778 molding material Substances 0.000 claims abstract description 25
- 239000000284 extract Substances 0.000 claims abstract description 23
- 238000011088 calibration curve Methods 0.000 claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 10
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 7
- 239000007864 aqueous solution Substances 0.000 claims abstract description 5
- 230000000704 physical effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000007865 diluting Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 abstract description 5
- 239000000920 calcium hydroxide Substances 0.000 abstract description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 5
- 241000276457 Gadidae Species 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 239000011398 Portland cement Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000012476 oxidizable substance Substances 0.000 description 3
- 229910021487 silica fume Inorganic materials 0.000 description 3
- 241000894007 species Species 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- -1 for example Substances 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000010454 slate Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 235000005018 Pinus echinata Nutrition 0.000 description 1
- 241001236219 Pinus echinata Species 0.000 description 1
- 235000017339 Pinus palustris Nutrition 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
【解決手段】パルプから抽出した複数の抽出液のCODと、前記CODに対応するパルプを配合するセメント成形材料を用いて製造された複数のセメント硬化体の曲げ物性との関係を示す検量線を作成する。製造予定のセメント硬化体のセメント成形材料における配合割合と同じになるように、使用予定のパルプを水酸化カルシウム飽和水溶液に添加して混練水を調製する。90℃、8時間の条件で加熱処理した後の前記混練水のCODを測定する。このCODから前記検量線を用いて前記製造予定のセメント硬化体の曲げ物性を予測して、前記使用予定のパルプの適否を評価する。
【選択図】図1
Description
Claims (2)
- パルプから抽出した複数の抽出液のCODと、前記CODに対応するパルプを配合するセメント成形材料を用いて製造された複数のセメント硬化体の曲げ物性との関係を示す検量線を作成し、製造予定のセメント硬化体のセメント成形材料における配合割合と同じになるように、使用予定のパルプを水酸化カルシウム飽和水溶液に添加して混練水を調製し、90℃、8時間の条件で加熱処理した後の前記混練水のCODを測定し、このCODから前記検量線を用いて前記製造予定のセメント硬化体の曲げ物性を予測して、前記使用予定のパルプの適否を評価することを特徴とするセメント硬化体用パルプの評価方法。
- 前記複数の抽出液は、単一の抽出液を希釈又は濃縮してCODを異ならせたものであり、前記CODに対応するパルプは、同種のパルプに前記複数の抽出液をそれぞれ吸着させて得られたものであることを特徴とする請求項1に記載のセメント硬化体用パルプの評価方法。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012004490A JP5882748B2 (ja) | 2012-01-12 | 2012-01-12 | セメント硬化体用パルプの評価方法 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012004490A JP5882748B2 (ja) | 2012-01-12 | 2012-01-12 | セメント硬化体用パルプの評価方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2013142680A true JP2013142680A (ja) | 2013-07-22 |
| JP5882748B2 JP5882748B2 (ja) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2012004490A Expired - Fee Related JP5882748B2 (ja) | 2012-01-12 | 2012-01-12 | セメント硬化体用パルプの評価方法 |
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| JP (1) | JP5882748B2 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241812A (zh) * | 2015-09-30 | 2016-01-13 | 成都源溢科技有限公司 | 一种水质化学需氧量检测装置 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04362051A (ja) * | 1991-06-10 | 1992-12-15 | Kubota Corp | 無機質建材用補強繊維の処理方法 |
| JPH1110631A (ja) * | 1997-06-25 | 1999-01-19 | Matsushita Electric Works Ltd | 無機質板の製造方法 |
| JP2001201501A (ja) * | 2000-01-21 | 2001-07-27 | Matsushita Electric Works Ltd | 建材用パルプの評価方法 |
| WO2002033164A2 (en) * | 2000-10-17 | 2002-04-25 | James Hardie Research Pty Limited | Method for reducing impurities in cellulose fibers for manufacture of fiber reinforced cement composite materials |
| US20030213568A1 (en) * | 2002-05-15 | 2003-11-20 | Brian Wester | Process for making a very low COD unbleached pulp |
-
2012
- 2012-01-12 JP JP2012004490A patent/JP5882748B2/ja not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04362051A (ja) * | 1991-06-10 | 1992-12-15 | Kubota Corp | 無機質建材用補強繊維の処理方法 |
| JPH1110631A (ja) * | 1997-06-25 | 1999-01-19 | Matsushita Electric Works Ltd | 無機質板の製造方法 |
| JP2001201501A (ja) * | 2000-01-21 | 2001-07-27 | Matsushita Electric Works Ltd | 建材用パルプの評価方法 |
| WO2002033164A2 (en) * | 2000-10-17 | 2002-04-25 | James Hardie Research Pty Limited | Method for reducing impurities in cellulose fibers for manufacture of fiber reinforced cement composite materials |
| JP2004511675A (ja) * | 2000-10-17 | 2004-04-15 | ジェイムズ ハーディー リサーチ ピーティーワイ.リミテッド | 繊維強化セメント複合材料製造用のセルロース繊維中の不純物を減少させるための方法および装置 |
| US20030213568A1 (en) * | 2002-05-15 | 2003-11-20 | Brian Wester | Process for making a very low COD unbleached pulp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241812A (zh) * | 2015-09-30 | 2016-01-13 | 成都源溢科技有限公司 | 一种水质化学需氧量检测装置 |
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| Publication number | Publication date |
|---|---|
| JP5882748B2 (ja) | 2016-03-09 |
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