1 . What is sand? Sand are inert particle materials that pass through the sieve of 4.75mm and retained on sieve size 63 μ m (0.063mm ). Sand is widely used in the construction industry mostly in the manufacture of concrete
2 . Definiation of Sieve analysis test of sand This is a test performed on sand to determine the percentage of different particle sizes contained within the sand sample.
3 . Test method The test method used is dry sieve analysis .
4. Test equipments Sieve Scoop
4. Test equipments cont . Weighing scale Drying oven
4. Test equipments cont . Metal tray Receiver Lid
4. Test equipments cont . Hard brush Soft brush
4. Test equipments cont . Spade Sieve shaker
5. Test procedures The procedures followed while carrying out the sieve analysis test include : 5.1 Preparing the sand sample 5.2 Arranging the sieves 5.3 Carrying out sieving 5.4 Weighing sand retained on each sieve
Plotting of Cum . % wight passing vs particle size Particle size distribution chart
Grading curve
7 . Conclusion C = gap graded A = uniformly graded B = well graded
Diagramatic representation of sand particle arrangment . uniformly graded sand well graded sand gap graded sand
8 . Questions 8.1 What test have we looked at? Sieve analysis test of coarse aggregate Sieve analysis test of sand Sieve analysis test of cement Sieve anlaysis test of maize
8. Questions cont . 8.2 The following equipments are used in the carrying out of sieve analysis test except ? Oven Chair Scoop Fork Tea spoon
8. Questions cont . 8.3 The following procedures are followed while carrying out sieve analysis of sand except ? Prepare the sand sample Arrange the sieves Place the sieves in the oven Carry out sieving Count the sand particles retained on each sieve .
8. Questions cont . 8.4 The following image represents which type of sand? Gap graded sand Uniformly graded sand Well graded sand