CN114956647B - 一种减缩型复合纳米水化硅酸钙早强剂及其制备方法 - Google Patents
一种减缩型复合纳米水化硅酸钙早强剂及其制备方法 Download PDFInfo
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- CN114956647B CN114956647B CN202210802077.5A CN202210802077A CN114956647B CN 114956647 B CN114956647 B CN 114956647B CN 202210802077 A CN202210802077 A CN 202210802077A CN 114956647 B CN114956647 B CN 114956647B
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- Prior art keywords
- shrinkage
- calcium
- reducing
- early strength
- strength agent
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
Description
金隅水泥(g) | 分级砂(g) | 水(g) |
720 | 1280 | 288 |
组别 | 外加剂及掺量 |
空白组 | 无 |
测试例1 | 5%掺量的实施例1 |
测试例2 | 5%掺量的对比例1 |
测试例3 | 5%掺量的对比例1,0.06%的减缩型聚羧酸减水剂 |
组别 | 16h抗压(MPa) | 28d收缩微应变 |
空白组 | 13.4 | 355 |
测试例1 | 33.7 | 310 |
测试例2 | 32.0 | 416 |
测试例3 | 26.4 | 305 |
Claims (5)
Priority Applications (1)
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CN202210802077.5A CN114956647B (zh) | 2022-07-07 | 2022-07-07 | 一种减缩型复合纳米水化硅酸钙早强剂及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210802077.5A CN114956647B (zh) | 2022-07-07 | 2022-07-07 | 一种减缩型复合纳米水化硅酸钙早强剂及其制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN114956647A CN114956647A (zh) | 2022-08-30 |
CN114956647B true CN114956647B (zh) | 2023-08-22 |
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CN202210802077.5A Active CN114956647B (zh) | 2022-07-07 | 2022-07-07 | 一种减缩型复合纳米水化硅酸钙早强剂及其制备方法 |
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CN (1) | CN114956647B (zh) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6892075B2 (ja) * | 2017-08-31 | 2021-06-18 | 公立大学法人兵庫県立大学 | カーボンナノフィラー分散液及び複合材料 |
CN107721228A (zh) * | 2017-10-09 | 2018-02-23 | 东南大学 | 一种水化硅酸钙早强剂的制备方法 |
CN110698120B (zh) * | 2019-10-30 | 2022-04-08 | 广东红墙新材料股份有限公司 | 一种预制构件混凝土及其养护方法 |
CN114316289A (zh) * | 2021-12-27 | 2022-04-12 | 科之杰新材料集团有限公司 | 一种预制构件用晶种型聚羧酸减水剂及其制备方法 |
CN114409297A (zh) * | 2022-01-05 | 2022-04-29 | 江苏奥莱特新材料股份有限公司 | 一种二维纳米水化硅酸钙早强剂及其制备方法 |
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- 2022-07-07 CN CN202210802077.5A patent/CN114956647B/zh active Active
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Effective date of registration: 20230327 Address after: 100081 s411, Institute of railway construction, Academy of Railway Sciences, No. 2 Daliushu Road, Haidian District, Beijing Applicant after: CARS RAILWAY ENGINEERING Research Institute Applicant after: CHINA ACADEMY OF RAILWAY SCIENCES Corp.,Ltd. Applicant after: Beijing Tiefeng Construction Engineering Technology Co.,Ltd. Applicant after: Beijing Tieke Special Engineering Technology Co.,Ltd. Address before: 100081 s411, Institute of railway construction, Academy of Railway Sciences, No. 2 Daliushu Road, Haidian District, Beijing Applicant before: CARS RAILWAY ENGINEERING Research Institute Applicant before: CHINA ACADEMY OF RAILWAY SCIENCES Corp.,Ltd. Applicant before: BEIJING SHANGHAI HIGH SPEED RAILWAY Co.,Ltd. Applicant before: Beijing Tiefeng Construction Engineering Technology Co.,Ltd. Applicant before: Beijing Tieke Special Engineering Technology Co.,Ltd. |
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