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土木工程概论Introduction to Civil Engineering 第二章 土木工程材料 Chapter 2 Materials for Civil Engineering Review Questions What are the forms in which stones are used in Civil Engineering? What are the qualities of good building stones? What are the dimensions of ordinary bricks? What are the general uses of bricks? What is the constituent of concrete? Explain in brief the manufacture of cements. What are the uses of cements? Explain the influence of water-cement ratio on the properties of concrete. What is the need for providing reinforcements to a concrete beam? What are the advantages of steel as a construction material? Reinforced Concrete: Concrete has a great compressive strength. However, its tensile strength is very low. In reinforced concrete, steel and concrete are combined to take advantage of high compressive strength of concrete and high tensile strength of steel. The location of steel within the concrete is important. The tensile area needs steel reinforcement. Materials for Civil Engineering Reinforced Concrete: The location of steel within the concrete is important. The tensile area needs steel reinforcement. Materials for Civil Engineering Basci Civil and Mechanical Engineering Reinforcment concrete beam Timber: Woods are generally classified for construction as hard wood, medium hard wood, and softwood classes. Wood is graded according to natural defects present in the timber, like knots and sloping grains. Materials for Civil Engineering Materials for Civil Engineering Materials for Civil Engineering What is Materials of Civil Engineering? It covers the development, processing, evaluation, applications, and performance of construction materials in civil engineering. Wide varieties of materials are used for making engineering structures and buildings. It is necessary for an engineer to have a basic knowledge of these materials which are available either from natural resource or manufactured.
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