JP5061704B2 - コンクリート混和材、水硬性結合材料、コンクリートおよびコンクリート構造物の構築方法 - Google Patents
コンクリート混和材、水硬性結合材料、コンクリートおよびコンクリート構造物の構築方法 Download PDFInfo
- Publication number
- JP5061704B2 JP5061704B2 JP2007115331A JP2007115331A JP5061704B2 JP 5061704 B2 JP5061704 B2 JP 5061704B2 JP 2007115331 A JP2007115331 A JP 2007115331A JP 2007115331 A JP2007115331 A JP 2007115331A JP 5061704 B2 JP5061704 B2 JP 5061704B2
- Authority
- JP
- Japan
- Prior art keywords
- concrete
- mass
- cement
- admixture
- concrete admixture
- 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.)
- Active
Links
- 239000004567 concrete Substances 0.000 title claims description 147
- 238000000034 method Methods 0.000 title claims description 10
- 239000011230 binding agent Substances 0.000 title description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 96
- 239000000843 powder Substances 0.000 claims description 64
- 239000000292 calcium oxide Substances 0.000 claims description 50
- 235000012255 calcium oxide Nutrition 0.000 claims description 47
- 239000000463 material Substances 0.000 claims description 40
- 239000004568 cement Substances 0.000 claims description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 23
- 239000004570 mortar (masonry) Substances 0.000 claims description 22
- 230000008859 change Effects 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 5
- 230000000452 restraining effect Effects 0.000 claims 1
- 238000006703 hydration reaction Methods 0.000 description 15
- 238000001035 drying Methods 0.000 description 12
- 239000003638 chemical reducing agent Substances 0.000 description 11
- 230000036571 hydration Effects 0.000 description 10
- 238000005336 cracking Methods 0.000 description 9
- 239000011398 Portland cement Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 8
- 238000002156 mixing Methods 0.000 description 6
- 239000004576 sand Substances 0.000 description 6
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000008961 swelling Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001603 reducing effect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000012615 aggregate Substances 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium 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
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 150000002681 magnesium compounds Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000013031 physical testing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/10—Accelerators; Activators
- C04B2103/14—Hardening accelerators
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/346—Materials exhibiting reduced plastic shrinkage cracking
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Description
Claims (1)
- 1100℃を超える温度で焼成された硬焼き生石灰粉末および無水石膏粉末を含むコンクリート混和材と、セメントと、水とを含む早期脱型コンクリートを用いるコンクリート構造物の構築方法であって、
コンクリート混和材中、
硬焼き生石灰粉末が30〜70質量%、無水石膏粉末が70〜30質量%であり、
硬焼き生石灰粉末の強熱減量が6質量%以下であり、かつ硬焼き生石灰粉末がCaOを90質量%以上含み、および
硬焼き生石灰粉末のブレーン比表面積が4000〜6000cm 2 /gであり、かつBET比表面積が1.5〜3.0m 2 /gであり、
コンクリート混和材が、温度20℃、封緘養生時の無拘束条件下において、基準モルタルに、セメントと、セメントおよびコンクリート混和材の合計量に対して3〜9質量%のコンクリート混和材とを含むとき、
材齢24時間の長さ変化率(ε 24 )が、800×10 -6 以上、
材齢24時間から48時間までの長さ変化率の増分(ε 48 −ε 24 )が、60×10 -6 以上、および
材齢48時間から72時間までの長さ変化増加率((ε 72 −ε 48 )/ε 48 )の絶対値が、0.01以下であり、
早期脱型コンクリート中、
コンクリート混和材の量が、セメントとコンクリート混和材との合計量に対して3〜9質量%であり、
水の量が、セメントとコンクリート混和材の合計量に対して45〜60質量%であり、
早期脱型コンクリートを用いて打設および養生し、材齢2日〜3日で脱型することを特徴とする、コンクリート構造物の構築方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007115331A JP5061704B2 (ja) | 2007-04-25 | 2007-04-25 | コンクリート混和材、水硬性結合材料、コンクリートおよびコンクリート構造物の構築方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007115331A JP5061704B2 (ja) | 2007-04-25 | 2007-04-25 | コンクリート混和材、水硬性結合材料、コンクリートおよびコンクリート構造物の構築方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008266108A JP2008266108A (ja) | 2008-11-06 |
JP5061704B2 true JP5061704B2 (ja) | 2012-10-31 |
Family
ID=40046131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007115331A Active JP5061704B2 (ja) | 2007-04-25 | 2007-04-25 | コンクリート混和材、水硬性結合材料、コンクリートおよびコンクリート構造物の構築方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5061704B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5157926B2 (ja) * | 2009-01-16 | 2013-03-06 | 宇部興産株式会社 | コンクリート用膨張材およびコンクリート組成物 |
JP5157925B2 (ja) * | 2009-01-16 | 2013-03-06 | 宇部興産株式会社 | コンクリート用膨張材およびコンクリート組成物 |
NO2767521T3 (ja) * | 2011-10-13 | 2018-07-28 | ||
JPWO2022196633A1 (ja) * | 2021-03-18 | 2022-09-22 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004299989A (ja) * | 2003-03-31 | 2004-10-28 | Taiheiyo Material Kk | セメント配合用収縮抑制材 |
JP4630539B2 (ja) * | 2003-12-05 | 2011-02-09 | 太平洋マテリアル株式会社 | モルタル・コンクリート用膨張材及びコンクリート |
-
2007
- 2007-04-25 JP JP2007115331A patent/JP5061704B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2008266108A (ja) | 2008-11-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4392765B2 (ja) | セメント添加材及びセメント組成物 | |
KR101333084B1 (ko) | 고로슬래그와 csa계 시멘트를 포함하는 조강시멘트 조성물 및 이를 포함하는 콘크리트 | |
JP4776426B2 (ja) | セメント混和材および該セメント混和材を用いた低膨張セメント組成物 | |
DK3018109T3 (en) | HYDRAULIC MIXING COMPREHENSIVE GRANULATES OF VEGETABLE ORIGIN AND PROCEDURE FOR THE PREPARATION OF CONCRETE OR MORTAL FROM THIS MIXTURE | |
JP5061704B2 (ja) | コンクリート混和材、水硬性結合材料、コンクリートおよびコンクリート構造物の構築方法 | |
JP2009215110A (ja) | 膨張材用生石灰粉末、コンクリート用膨張材、水硬性結合材料、コンクリートおよびコンクリート構造物の構築方法 | |
JP2007055843A (ja) | セメント添加材 | |
JP4409926B2 (ja) | 低自己収縮性高間隙相型セメント組成物 | |
JP5157925B2 (ja) | コンクリート用膨張材およびコンクリート組成物 | |
JP5863296B2 (ja) | 超高強度セメント系硬化体の製造方法 | |
JPH11322400A (ja) | 低収縮性超速硬性セメント組成物 | |
JP4691381B2 (ja) | 高強度コンクリート | |
JP5165436B2 (ja) | コンクリート組成物及びコンクリート硬化体 | |
KR101594157B1 (ko) | 비소성 결합재를 활용한 친환경 모르타르 조성물 | |
JP7083637B2 (ja) | コンクリートおよびその製造方法 | |
JP6896578B2 (ja) | 水硬性粉末組成物 | |
JP6703446B2 (ja) | 早強性混和材およびセメント組成物 | |
JP5501717B2 (ja) | セメントクリンカーおよびセメント | |
JP5157926B2 (ja) | コンクリート用膨張材およびコンクリート組成物 | |
JP2009001449A (ja) | 膨張性組成物 | |
JP7303996B2 (ja) | 地盤改良材、改良土、及び、改良土の製造方法 | |
JP2503772B2 (ja) | 速硬性セルフレベリング性床材用組成物 | |
JP4816451B2 (ja) | コンクリート混和材料、コンクリート組成物、及びコンクリート硬化体 | |
JP7370204B2 (ja) | 蒸気養生製品用セメント組成物 | |
KR20020082320A (ko) | 고강도, 수축저감, 저온시공이 가능한 시멘트 혼화재 및이를 함유한 시멘트 조성물 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20100127 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20110803 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110809 |
|
RD13 | Notification of appointment of power of sub attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7433 Effective date: 20110929 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20111005 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20110929 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20120710 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120723 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5061704 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150817 Year of fee payment: 3 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |