Types of concrete according to unit weight According to the unit weight of concretes, concrete can be classified into four types, as in Table 1. Ultra-lightweight concrete can only be implemented in non-structural elements. Lightweight
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Concrete is one of the most durable materials for construction in the modern history. Yet, it might be exposed to some conditions that negatively affect its performance due to distress. Concrete quality might get compromised
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Concrete Workability Concrete Workability is a property of concrete in its fresh state during mixing. It determines the ease with with casting activities are done including mixing, placing, compacting and finishing. Concrete workability is usually
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Sulfuric Acid Attack Sulfuric acid [H2(SO4)] attack on concrete may be identified by a chemical reaction between the acidic media and cement hydration products, leading to excessive formation of gypsum. Acid attack can occur under
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What are Stirrups? A stirrup is a closed loop of reinforcement bar, which has a main function of holding the main reinforcement (RFT) bars together in a reinforced concrete element. Stirrups can come in multiple
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What is Pervious Concrete? Pervious concrete is a structural concrete pavement with a large volume (15 to 35 percent) of interconnected voids. Similar to normal concrete, pervious concrete is made from a mixture of cement,
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Flexural Strength Flexural strength is an indirect measure of the tensile strength of concrete. It is a measure of the maximum stress on the tension face of an unreinforced concrete beam or slab at the point
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Effect of SCMs on Alkali-Silica-Reaction Mitigation 1- Fly Ash the three characteristics of fly ash that determine its efficiency in preventing ASR are fineness, mineralogy, and chemistry. In general, the finer the fly ash, the
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