Civil Engineering Materials
This book deals with properties, applications and analysis of important materials of construction/civil engineering. It offers full coverage of how materials are made or obtained, their physical properties, their mechanical properties, how they are used in construction, how they are tested in the lab, and their strength characteristics--information that is essential for material selection and elementary design. Contains illustrative examples and tables and figures from professional organizations. Considers all common materials of civil engineering/construction--and looks at each in depth: e.g., physical properties, mechanical properties, code provisions, methods of testing, quality control, construction procedures, and material selection. Discusses laboratory testing procedures for selected tests--provides step-by-step descriptions of laboratory test procedures to determine properties of materials. All test procedures are based on relevant ASTM specification. For Civil Engineers, Construction Engineers, Architects, and Agricultural Engineers.
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Placing the control joints at closer intervals, so that the total movement of each
portion of the slab is small, may prevent curling. Besides, the finishing operation
should be started only after the bleed water has disappeared. Casting the slab on
4.3.2 Types of Joints In masonry construction, individual masonry units are
bonded together using head joints and bed joints (Fig. 4.5). Tight mortar joints
are essential for good performance of walls. All joints — horizontal and vertical —
Figure 4.23 Lateral support across control joints in block wall. will at least close
partially under any expansion and is limited to 1 in. (which permits 0.5-in.
expansion of the wall). The width and spacing of expansion joints can be