This category contains 5 posts

Benefits of Fly Ash

It was mentioned in the previous post titled “Fly Ash in Civil Construction” that fly ash has gradually been proving to be a cornucopia of diverse benefit over the past decades. Since the most important use of fly ash is it’s utilisation in fly ash cement, some of the salient benefits of this substance – … Continue reading

Fly Ash in Civil Construction

It was an usual scorching summer day and I was to collect and despatch a few bags of fly ash for detailed testing in an off-site laboratory. It was an area where the mercury was habituated in fumbling around the 50┬ĄC mark, especially, during the pinnacle of the summer season. Sweating happily under the glaring … Continue reading

Miscellaneous useful points on Cement (Part-III)

Contd. from Part-II…. Storage of cement: Primary purpose of proper & safe storage of cement is to safeguard it from it’s arch-enemy, i.e. moisture. An efficient storage structure must be a damp proof one, i.e., it’s floors, walls, roofs etc. should be damp or leak proof. All openings, i.e. doors, windows, ventilators etc. should be … Continue reading

Miscellaneous useful points on Cement (Part-II)

Contd. from Part-I …. Super Sulphate cement is very much resistant to chemical attack. This cement can be suitably used in concrete to be poured in acidic environment. It is also suitable for mass concrete work due to it’s low heat of hydration. Concrete having this cement tends to shrink or expand depending on whether … Continue reading

Miscellaneous useful points on cement (Part-I)

Type of cement to be used in concrete is primarily choosen based on criteria like strength, durability and other specific requirements necessary for various kinds of work. Cements used in general concrete work are: Ordinary Portland Cement (OPC), Rapid Hardening Portland Cement (RHPC), Portland Slag Cement (PSC), Portland Pozzolana Cement (PPC), Low Heat Portland Cement … Continue reading