To keep the cement fit for use it must be properly stored . Cement being a hygroscopic substance, absorbs moisture from the air. In the presence of dampness. It ready sets and becomes hard in the form of lumps is knows as set. If the lumps for med are so hard that they cannot be powdered by pressing in between thumb and the fore finger, the cement should not be used in any sound trans-fraction cement, to be used in future, should be stored in a dry places. It should not come in contact with any sort of dampness.
The following precautions should be taken in the storage cement:
1. Cement should be stored in storage houses which should have damp, walls, roofs and raised floors to prevent the entry of moisture. The floors should be made of cement concrete 1:2:4 at-least 15 cm thick and 1.25 m above the ground level.
2. Cement bags should be stacked close together to avoid free circulation air.
3. Storage of cement in rainy season should be avoided.
4. Starts should have less numbers of windows and ventilators meant for lightning purposes and these windows and ventilators should be air tight.
5. The storage should be done for a short period and already stored cement should be used first than the freshly stored cement.
6. When storing for a short wear to the site of work can not be avoided, cement bags must be placed an araised floors or wooden. Platform and kept covered with canvas cloth.
7. Cement bags should not be placed directly in floors wooden planks or iron sheets may be placed underneath as a measure against dampness.