CN101012114A - 一种自密实混凝土专用外加剂 - Google Patents
一种自密实混凝土专用外加剂 Download PDFInfo
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- CN101012114A CN101012114A CNA2007100198493A CN200710019849A CN101012114A CN 101012114 A CN101012114 A CN 101012114A CN A2007100198493 A CNA2007100198493 A CN A2007100198493A CN 200710019849 A CN200710019849 A CN 200710019849A CN 101012114 A CN101012114 A CN 101012114A
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- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00103—Self-compacting mixtures
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- 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)
Abstract
Description
成份 | 总碱量 | Al2O3 | 细度 |
含量(%) | ≤0.5 | ≥25 | 45um筛余<5% |
水泥(42.5P.O) | 粉煤灰(I级) | 河砂(Mx=2.75) | 碎石(5-25mm) | 水 | 本发明外加剂 |
398 | 70 | 701 | 1011 | 165 | 64 |
初始坍落度(mm) | 5h坍落度(mm) | 初始扩展度(mm) | 2h扩展度(mm) | 密封条件下28d混凝土膨胀(自浇筑成型开始测试,×10-4) | 28d抗压强度(MPa) |
220 | 185 | 600 | 580 | 1.52 | 58.2 |
水泥(42.5P.O) | 粉煤灰(I级) | 河砂(Mx=2.65) | 碎石(5-25mm) | 水 | 本发明外加剂 |
398 | 70 | 700 | 1045 | 165 | 63 |
初始坍落度(mm) | 5h坍落度(mm) | 初始扩展度(mm) | 2h扩展度(mm) | 密封条件下28d混凝土膨胀(自浇筑成型开始测试,×10-4) | 28d抗压强度(MPa) |
235 | 225 | 630 | 625 | 0.58 | 53.2 |
水泥(42.5P.O) | 粉煤灰(I级) | 河砂(Mx=2.65) | 碎石(5-25mm) | 水 | 本发明外加剂 |
390 | 78 | 730 | 1015 | 160 | 64 |
初始坍落度(mm) | 5h坍落度(mm) | 初始扩展度(mm) | 2h扩展度(mm) | 密封条件下28d混凝土膨胀(自浇筑成型开始测试,×10-4) | 28d抗压强度(MPa) |
245 | 245 | 650 | 645 | 1.98 | 55.4 |
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2007100198493A CN100545120C (zh) | 2007-01-30 | 2007-01-30 | 一种自密实混凝土专用外加剂 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2007100198493A CN100545120C (zh) | 2007-01-30 | 2007-01-30 | 一种自密实混凝土专用外加剂 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101012114A true CN101012114A (zh) | 2007-08-08 |
CN100545120C CN100545120C (zh) | 2009-09-30 |
Family
ID=38699859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNB2007100198493A Active CN100545120C (zh) | 2007-01-30 | 2007-01-30 | 一种自密实混凝土专用外加剂 |
Country Status (1)
Country | Link |
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CN (1) | CN100545120C (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108911670A (zh) * | 2018-08-02 | 2018-11-30 | 张家港江苏科技大学产业技术研究院 | 利用工业废钛石膏的自密实混凝土及其制备方法 |
CN111362612A (zh) * | 2018-12-26 | 2020-07-03 | 江苏苏博特新材料股份有限公司 | 一种堆石坝c15自密实混凝土专用聚羧酸减水剂 |
-
2007
- 2007-01-30 CN CNB2007100198493A patent/CN100545120C/zh active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108911670A (zh) * | 2018-08-02 | 2018-11-30 | 张家港江苏科技大学产业技术研究院 | 利用工业废钛石膏的自密实混凝土及其制备方法 |
CN108911670B (zh) * | 2018-08-02 | 2021-02-05 | 张家港江苏科技大学产业技术研究院 | 利用工业废钛石膏的自密实混凝土及其制备方法 |
CN111362612A (zh) * | 2018-12-26 | 2020-07-03 | 江苏苏博特新材料股份有限公司 | 一种堆石坝c15自密实混凝土专用聚羧酸减水剂 |
CN111362612B (zh) * | 2018-12-26 | 2022-03-18 | 江苏苏博特新材料股份有限公司 | 一种堆石坝c15自密实混凝土专用聚羧酸减水剂 |
Also Published As
Publication number | Publication date |
---|---|
CN100545120C (zh) | 2009-09-30 |
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Address after: 210008 No. 12, Beijing West Road, Gulou District, Nanjing City, Jiangsu Province Patentee after: Jiangsu Subute New Materials Co., Ltd. Address before: No. 59, Wan An West Road, Jiangning District, Nanjing, Jiangsu Patentee before: Jiangsu Subute New Materials Co., Ltd. |