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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3.13.2 Mortar Mortar (or masonry mortar) is a mixture of cement, lime, fine
aggregate, and water. There are two types of masonry mortar: • Lime mortar •
Portland cement-lime mortar Lime mortar is a mixture of sand, hydrated lime, and
A coarser sand lowers workability, and a finer sand decreases water retentivity.
Combining all ingredients in a mixer produces a more uniform mixture.
Workmanship, more than any other factor, affects the permeability of mortar and
The capacity to bond individual units is measured by the tensile bond strength of
mortar, which is related to the force required to separate the units. It is important
to note that although concrete and mortar are made using the same ingredients ...