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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... placed each day — should be adequate to represent the total quantity of concrete placed . Three criteria establishes the required minimum sampling frequency for each class of work : • Not less than once each day a given class of work is ...
... placed as near as possible to its final po- sition . In slab construction , the concrete should be placed first around the perimeter at one end , with each batch dumped against the previously placed concrete . To pre- vent segregation ...
... placed in the middle one - third of slabs 4-6 in . ( 10–15 cm ) thick [ or about 2 in . ( 5 cm ) below the top ... placed in two layers , the first course is generally to middepth ( or slightly more ) ; the reinforcement is then spread ...