Three of the commonly used construction materials with a brief discussion of their properties. The materials chosen are Wood, Steel and Concrete.Wood Wood can be used extensively in earth-sheltered construction

... Objective 2 Wood 2 Classes of woods 2 Hardwoods and Softwoods 2 Orthotropic Nature of Wood 3 Mechanical properties of wood 3 Steel 4 The mechanical properties 4 Concrete 5 Properties 5 References 6 Objective Propose of this assignment is to name three of the commonly used construction materials with a brief discussion of their properties. The materials chosen are Wood, Steel and Concrete. Wood Wood can be used extensively in earth-sheltered construction for both interior and structural work including floors, roofs, and exterior walls. Wood is attractive for its colour and warmth, and complements tile and masonry, as well as concrete walls, floors, and ceilings. However, using wood as a structural material requires wooden frame walls, which must withstand lateral pressure and be restricted to a burial depth of one story. Beyond this depth, the rapidly increasing cost of wood construction restricts most builders from using it as a structural material. Although wood can cost less than other materials, it does not offer the strength that a material such as steel does, so it may

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