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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Volume of concrete, Vconc, is 1.8 ft3 Therefore, Wc ( \ 1.75 3.53 0.39 \ = 1.8 ft3
Weight of cement, Wc = 39.7 lb Weight of FA = 1.75 (39.7) = 69.5 lb Weight of CA
= 3.53 (39.7) = 140.1 lb Weight of water = 0.39 (39.7) = 15.5 lb 3.11
various types of chemical admixtures by their intended uses, as listed in Table
3.13. Brief descriptions of the most common chemical admixtures are given
below. TABLE 3.13 CHEMICAL ADMIXTURE freezing of water in fresh concrete ...
The amount of this admixture should be limited to 2 percent of cement, as a larger
dose may cause severe corrosion and loss of strength at later ages. It is not
recommended in hot weather applications and for prestressed concrete, and may