Pervious Concrete Pervious concrete is a type of concrete with a system of interconnected pores allowing water to rapidly drain through. Pervious concrete itself is made up of coarse aggregate that is coated by a
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Characteristics of High volume Fly Ash Concrete
Flyash Flyash is the by-product of the combustion of pulverized coal and is collected by mechanical and electrostatic separators from the fuel gases of power plants where coal is used as a fuel and the
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Formwork Materials
Formwork materials can be classified as: 1. Timber 2. Metals 3. Plastics 1.Timber a. Lumber: Lumber is commonly available material and has excellent strength, weight and cost factor. Lumber is classified as: • Boards: 1
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Carbonation and Corrosion
Carbonation is the term used to describe the effect of carbon dioxide on a material. The phenomenon rarely leads to structural problems but carbonation-induced corrosion can lead to unsightly spalling on structures. The repair costs,
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Rodded Unit Weight of Coarse Aggregates Test (ASTM C29)
Rodded Unit Weight of Coarse Aggregates according to Astm C29 PURPOSE Astm C29: Determination of the unit weight of coarse aggregates in a compacted condition. This test method is applicable to aggregates not exceeding 15
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