Ultra-high performance steel fibers concrete corbels: Experimental investigation
نویسندگان
چکیده
منابع مشابه
Experimental investigation and prediction of compressive strength of ultra- high performance concrete containing supplementary cementitious materials
Ultra-high-performance concrete (UHPC) has superior mechanical properties and durability to normal strength concrete. However, the high amount of cement, high environmental impact and initial cost are regarded as disadvantages, restricting its wider application. Incorporation of supplementary cementitious materials (SCMs) in UHPC is an effective way to reduce the amount of cement needed while c...
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---------------------------------------------------------------------***--------------------------------------------------------------------Abstract Concrete is the most widely utilized “manmade” material globally for construction in many developing countries in all types of civil engineering works. Also, concrete is an environmental friendly material and in areas of growing environment – relat...
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Experiences in the development of Ultra High Performance Concrete found a very high flowability in concrete with low water powder ratio. Because of the high viscosity of the cement paste, compaction was necessary. To improve the compaction characteristics of the concrete the idea of adding coarse aggregate was developed. The first tests showed a good workability of the fresh concrete and a good...
متن کاملMicrostructural Investigation of Heat-Treated Ultra-High Performance Concrete for Optimum Production
For optimum production of ultra-high performance concrete (UHPC), the material and microstructural properties of UHPC cured under various heat treatment (HT) conditions are studied. The effects of HT temperature and duration on the hydration reaction, microstructure, and mechanical properties of UHPC are investigated. Increasing HT temperature accelerates both cement hydration and pozzolanic re...
متن کاملExperimental investigation of mechanical and dynamic impact properties of high strength cementitious composite containing micro steel and PP fibers
Cementitious composites are one of the most consumed construction materials in the world. The use of cementitious composites is increasing due to their special characteristics. The behavior of high strength cementitious composites is improved by increasing the fiber percentage. In the present paper, the effects of steel microfibers and polypropylene fibers on mechanical properties and impact re...
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ژورنال
عنوان ژورنال: Case Studies in Construction Materials
سال: 2017
ISSN: 2214-5095
DOI: 10.1016/j.cscm.2017.07.004