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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Complete drying of the aggregate particles prior to mixing improves pavement
performance. 6.4.6 Ductility and Adhesion Ductility is an important property of
asphaltic materials. Brittle materials do not perform well in pavement construction
TABLE 6.3 REQUIREMENTS FOR ASPHALT CEMENT FOR USE IN PAVEMENT
CONSTRUCTION Penetration grade "If ductility at 77 °F (25 °C) is less than 100
cm, material will be accepted if ductility at 60 °F (15.5 °C) is 100 cm minimum at ...
But the ductility of the material, or the total elongation before fracture, decreases.
Furthermore, there is a temperature below which structural steel, when subjected
to tensile loads, may fracture by cleavage with little or no plastic deformation.