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Erschienen in:
2019 | OriginalPaper | Buchkapitel
1. Concrete
verfasst von : Akhtar Surahyo
Erschienen in: Concrete Construction
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Abstract
Concrete can be defined as a mixture of cement, water, aggregate (fine and coarse), and admixture, which is sometimes added to modify certain of its properties. Normal concrete has comparatively low tensile strength and for structural applications it is normal practice to incorporate steel bars to resist tensile forces. The strength, durability, and other characteristics of concrete depend upon the properties of its ingredients, the proportions of mix, and the method of transporting, placing, compacting, and curing. Good concrete has to satisfy performance requirements in the plastic and hardened states.
This chapter outlines basic information of normal and modified concretes specifying concrete grades used in construction practice. The Modified Concretes addressed are polymer concretes, fibre-reinforced concretes, sulphur concretes (SC), roller-compacted concrete (RCC), high-performance concrete (HPC), high-strength concrete, ultra-high-performance concrete, flowing concrete, ferro-cement, lightweight concrete, shrinkage-compensating concrete, microsilica concrete, high early-strength concrete, and unshrinkable fill material.