How to select a good quality cement for construction of high rise, bridges, dams

HiTech Engineers and Contractors It is necessary to check the quality of cement on site at the time of preliminary inspection. It is not possible to check all the engineering qualities of cement on site but there exist some field test which gives us a rough idea of quality of cement. While on site we can perform these field tests to judge the quality of cement. These field tests are as follows: Date of packing Colour Rubbing Hand Insertion Float Test Smell Test Presence of lumps Shape Test Strength Test FIELD TESTS ON CEMENT 1. DATE OF PACKING Date of manufacture should be seen on the bag. It is important because the strength of cement reduces with age. 2. COLOUR The cement should be uniform in colour. In general the colour of cement is grey with a light greenish shade. The colour of cement gives an indication of excess lime or clay and the degree of burning. 3. RUBBING Take a pinch of ceme