Civil Engineering MaterialsThis 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. KEY TOPICS: 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. MARKET: For Civil Engineers, Construction Engineers, Architects, and Agricultural Engineers. |
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... plastic concrete ( the volume reduction while the concrete sets ) , typically during the first twelve hours after placement , is called plastic shrinkage . The shrinkage due to drying of hardened concrete is called drying shrinkage .
... plastic shrink- age cracks . Hot weather conditions intensify plastic shrinkage , thanks to excessive evaporation loss . A larger than nominal cracking affects the durability performance of concrete . · The amount of plastic shrinkage ...
... plastic materials , Poisson's ratio is around 0.3 . For flexible plastics , its value is close to 0.4 . 8.2 MODIFIED PLASTICS Many plastics have their basic properties modified by the addition of substances such as plasticizers ...