CN101570421B - 用于超大跨度预应力梁的自密实混凝土 - Google Patents
用于超大跨度预应力梁的自密实混凝土 Download PDFInfo
- Publication number
- CN101570421B CN101570421B CN200910148280XA CN200910148280A CN101570421B CN 101570421 B CN101570421 B CN 101570421B CN 200910148280X A CN200910148280X A CN 200910148280XA CN 200910148280 A CN200910148280 A CN 200910148280A CN 101570421 B CN101570421 B CN 101570421B
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- CN
- China
- Prior art keywords
- concrete
- self
- ultra
- compacting concrete
- aggregate
- 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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Classifications
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
Abstract
Description
自密实性能等级 | 一级 |
坍落扩展度目标值(mm) | 680 |
V漏斗通过时间目标值(S)(或T50时间) | 14 |
水胶比 | 0.39 |
水粉比 | 1.12 |
含气量(%) | 2.3 |
粗骨料最大粒径(mm) | 20 |
单位体积粗骨料绝对体积(m3) | 0.347 |
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910148280XA CN101570421B (zh) | 2009-06-22 | 2009-06-22 | 用于超大跨度预应力梁的自密实混凝土 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910148280XA CN101570421B (zh) | 2009-06-22 | 2009-06-22 | 用于超大跨度预应力梁的自密实混凝土 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101570421A CN101570421A (zh) | 2009-11-04 |
CN101570421B true CN101570421B (zh) | 2012-08-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN200910148280XA Active CN101570421B (zh) | 2009-06-22 | 2009-06-22 | 用于超大跨度预应力梁的自密实混凝土 |
Country Status (1)
Country | Link |
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CN (1) | CN101570421B (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101820156B (zh) * | 2010-03-26 | 2012-05-23 | 黄贺明 | 组合式电缆沟槽 |
CN103089022A (zh) * | 2011-11-08 | 2013-05-08 | 上海美创建筑加固工程有限公司 | 砌体结构墙体抗震加固方法 |
CN102757205A (zh) * | 2012-08-07 | 2012-10-31 | 广东华美鑫通混凝土构件有限公司 | 先张法预应力高强度混凝土及先张法预应力高强度混凝土管桩的生产方法 |
CN103496906B (zh) * | 2013-09-29 | 2016-02-03 | 张家港市山牧新材料技术开发有限公司 | 一种复合型防冻混凝土及其制备方法 |
CN104072080B (zh) * | 2014-05-29 | 2016-04-13 | 蚌埠华东石膏有限公司 | 一种高抗折强度混凝土及其制备方法 |
CN104591628A (zh) * | 2015-01-12 | 2015-05-06 | 枞阳县天筑新型建筑材料有限公司 | 一种用于建筑桥梁的混凝土 |
CN104973818A (zh) * | 2015-06-29 | 2015-10-14 | 湖州华仑助剂科技有限公司 | 一种用于混凝土的抗裂增强剂 |
CN110357535A (zh) * | 2019-07-31 | 2019-10-22 | 江苏德丰建设集团有限公司 | 负温自密实混凝土及其制备方法 |
CN114685122A (zh) * | 2022-05-10 | 2022-07-01 | 深圳市建业混凝土股份有限公司 | 一种高强度混凝土 |
CN115594465A (zh) * | 2022-11-07 | 2023-01-13 | 北京市高强混凝土有限责任公司(Cn) | 一种轻质超高性能混凝土 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1345703A (zh) * | 2000-09-22 | 2002-04-24 | 吉林省纺织工业设计研究院 | 高强度混凝土及制备方法 |
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2009
- 2009-06-22 CN CN200910148280XA patent/CN101570421B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1345703A (zh) * | 2000-09-22 | 2002-04-24 | 吉林省纺织工业设计研究院 | 高强度混凝土及制备方法 |
Non-Patent Citations (1)
Title |
---|
刘数华等.降低高强混凝土脆性的试验研究.《建筑材料学报》.2005,第8卷(第2期),第152页. * |
Also Published As
Publication number | Publication date |
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CN101570421A (zh) | 2009-11-04 |
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Owner name: CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION CO. Free format text: FORMER OWNER: THE FOURTH COMPANY OF CHINA EIGHTH ENGINEERING BUREAU LTD. Effective date: 20130208 |
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Free format text: CORRECT: ADDRESS; FROM: 266071 QINGDAO, SHANDONG PROVINCE TO: 200122 PUDONG NEW AREA, SHANGHAI |
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Effective date of registration: 20130208 Address after: 200122 Pudong New Area Century Avenue, Shanghai, No. 27, layer 1568 Patentee after: China Construction Eighth Engineering Division Co., Ltd. Address before: 25 Building No. 17 East International Building, 266071 Shandong city of Qingdao province Huiquan Road Patentee before: The Fourth Company of China Engineering No.8 Bureau Co., Ltd. |