Learn the Compaction Factor Test procedure, apparatus (two hoppers and cylinder), CF calculation formula with example, typical CF values, and why it’s better than slump for stiff mixes. RTMNU notes.
Complete guide to the slump test of concrete—apparatus, IS 1199 procedure, true slump vs shear slump vs collapse slump, slump value interpretation, and RTMNU exam tips.
Detailed explanation of 8 factors affecting workability of concrete: water content, W/C ratio, aggregate size, shape, texture, cement content, admixtures, and time/temperature. RTMNU notes.
Learn what workability of concrete means, why it matters, its types (consistency, mobility, compactibility, stability), how it is measured, and IS 456 requirements. RTMNU exam notes.
Learn sieve analysis procedure, fineness modulus calculation with solved examples, grading limits as per IS 383, and grading curves. Essential for RTMNU Concrete Technology exam.
Learn about aggregates in concrete—classification by size, shape, origin; properties like specific gravity, absorption, hardness; and IS code tests. Student notes for RTMNU.
Complete guide to types of cement: OPC grades (33/43/53), PPC, SRC, Low Heat, Rapid Hardening, White, High Alumina Cement with IS codes, properties, and RTMNU exam tips.
Learn cement composition, Bogue’s compounds (C3S, C2S, C3A, C4AF), and the hydration process with reactions. Includes CSH gel formation, heat of hydration, and RTMNU exam tips.
Understand the 5 major types of concrete—PCC, RCC, PSC, HPC, and SCC—with properties, differences, and real-world construction applications. Perfect for RTMNU exam prep.
Sand has several use. One typical component of mortar is sand. Sand quality is crucial for creating high-quality mortar. Sand’s role in mortar The purposes of sand as a component of mortar are as follows. Sand is typically not added to mortar to make it stronger. Instead, it serves mostly as an inert substance to…
