t Introduction The concrete slump test is used for the measurement of a property of fresh concrete. Dampness of soil Cite 4 Recommendations Top contributors to discussions in this field Rana. A procedure exists to help establish the appropriate sample size, using a sample splitter to reduce the sample to different weights (25g, 50g, 100g, 200g), and testing samples in the various weight ranges. 2. The values of the uniformity coefficient Cu and the coefficient of gradation Cccan be calculated using the following equations: The values of Cuand Ccare used to classify whether the soil is well-graded or not. (i.e. Another major mistake that is seen in labs is the improper cleaning of test sieves between runs. Thus a fineness modulus of 6.00 can be interpreted to mean that the sixth sieve, 4.75 mm is the average size. Sieve analysis is a technique used for determining the size of particles in essential distributions such as the number of different size particles are responsible for the surface reaction, solubility, and flowability. %Cumulative Passing = 100% - %Cumulative Retained. Before conducting an analysis, users might also want to make themselves aware of the following tips to make their analysis more efficient and accurate. Now you need to find the percentage of the weight of cement-retained on the 90 m sieve. Weigh the retained soil on each sieve carefully. Method: Cleanse the sieves of sieve shaker with cleaning brush to check whether any particles are blocked in the openings. Each lower sieve in the column has smaller openings than the one above. iv- Adding extra sieves does not change the result of FM. WBelow - The total mass of the aggregate within the sieves below the current sieve, not including the current sieve's aggregate. After the shaking is complete the material on each sieve is weighed. //