CBR Test (California Bering Ratio Test)

CBR test

The California Bering Ratio (CBR) test is a penetration test developed by the California Division of Highways widely used method for designing the flexible pavements and the thickness of the pavement elements is determined …

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Chemical Oxygen Demand (COD)

Chemical Oxygen Demand

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 …

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BOD [Biochemical oxygen demand]

BOD

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 …

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Slump Test

Slump Test

A Slump test is a laboratory or site test that is used to measure the consistency of concrete; a slump test shows signs of uniformity of concrete in different batches, the shape of the …

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RQD [Rock quality designation]

Rock Quality Designation (RQD) is a rough measure of the degree of jointing or fracture in a rock mass, measured as a percentage of the drill core in lengths of 10 cm or more; …

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