HIGH EARLY STRENGTH ROAD CONCRETE
| 项目名称： | HIGH EARLY STRENGTH ROAD CONCRETE |
| 摘要： | FOR REPAIRS AND OTHER CONSTRUCTION MEASURES WHERE A SHORT CLOSURE TIME IS NEEDED, IT IS NECESSARY TO HAVE A CONCRETE WITH HIGH STRENGTH AT AN EARLY STAGE. BY THIS IS MEANT A CONCRETE WHICH HAS DEVELOPED 70 TO 90 PERCENT OF ITS REQUIRED STRENGTH AFTER ABOUT 48 HOURS. THESE CONCRETES CAN NORMALLY ONLY BE PRODUCED USING ADMIXTURES. IN CERTAIN CASES IT IS RECOMMENDED TO MAKE THE NORMALLY STIFF CONSISTENCY OF THE FRESH CONCRETE FLUID FOR THE PERIOD OF INCORPORATION BY MEANS OF PLASTICIZERS. IT IS INTENDED TO OBTAIN INFORMATION ON THE POSSIBILITIES OF PRODUCING AN EARLY HIGH-STRENGTH ROAD CONCRETE HAVING SUFFICIENT VOIDS CONTENT, BOTH IN A NORMAL CONSISTENCY OR IN A SOFT OR POURABLE CONSISTENCY. |
| 状态： | Active |
| 资助组织： | BUNDESMINISTER FUER VERKEHR (FEDERAL MINISTER OF TRANSPORT) |
| 项目负责人： | MANNS, W |
| 执行机构： | UNIVERSITAET (TH) STUTTGART, AMTLICHE FORSCHUNGS- UND MATERIALPRUEFUNGSANSTALT FUER DAS BAUWESEN (OTTO-GRAF INSTITUT) (TECHNICAL UNIVERSITY OF STUTTGART, OFFICIAL RESEARCH AND TESTING LABORATORY FOR BUILDING MATERIALS (OTTO GRAF INSTITUTE)) |
| 开始时间： | 19780500 |
| 预计完成日期： | 19790500 |
| 主题领域： | Research；I32: Concrete；I52: Construction of Pavements and Surfacings |
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- Durable High Early Strength Concrete
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- OPTIMIZING A RETARDER FOR RSZ 400 (PERLMOOSER RAPID HARDENING CEMENT): WORKING OUT OF MIX DESIGN DIAGRAMS AND VERIFICATION OF THESE DIAGRAMS IN PRACTICE
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