COnsmat Exam Enumeration

Knowledge or record of performance of material actual practice. The result of test made to supply data on performance

Two Sources in Selection of Materials

Igneous Rocks. Sedimentary Rocks. Metamorphic Rocks

Classification of Rocks

Proportion of water used. Degree of Mixing. Methods of Testing and the Age at which tests are carried out. Grading of Sand Aggregate. Curing Condition

Principal Factors That Affect the Strength of Concrete

Considerations of economy. Interrelationships of cement content, Water Cement Ratio, and Gradation of Aggregate. Requirements as to placing. Required Strength. Quality of Concrete necessary to satisfy the conditions of exposure

The Principal Factors that Must be Considered in Proportioning Concrete