The California Bering Ratio (CBR) test is a penetration test developed by the California Division of Highways. It is widely used method for the designing the flexible pavements and the thickness of the pavement elements is determined …
Chemical Oxygen Demand (COD) is the amount of oxygen required for the chemical oxidation of the organic matter by the strong oxidizing agent under the acidic condition, it is a measure of oxygen required to oxidize water-soluble …
Biochemical oxygen demand (BOD) is the amount of oxygen required for microbes to carry out the biological decomposition of the dissolved solids or the organic material in the sewage under the aerobic conditions at a given temperature. …
The slump test can be defined as the difference between the height of the concrete before removing the slump cone (mould) and the height of the concrete after removing of slump cone as measured during the concrete …
Rock quality designation (RQD) is the quality of a rock core taken from a borehole. RQD refers to fracture measured by joining or percentage of the rock mass, where RQD of 75% or more exhibits good quality …
