Tamil Nadu HSE First Year Basic Civil Engineering case studies
Tamil Nadu HSE First Year Basic Civil Engineering · Put your knowledge to work in context.
Basic Civil Engineering is a first-year higher secondary elective in the Tamil Nadu State Board stream, taken by Class XI students who want an early, structured grounding in civil engineering before choosing a degree or diploma path. It suits students aiming at B.E./B.Tech civil, diploma programmes, construction supervisors' roles, or simply a clearer picture of how buildings, roads and water systems are planned and built. The Tamil Nadu HSE First Year Basic Civil Engineering case studies are 5 cases and about 4,298 words.
1Brick lot for a coastal load-bearing school room
A village panchayat is building a single-storey school room, 12 m × 8 m clear, roofed with a 100 mm RCC slab on 230 mm load-bearing brick walls 3.0 m high. The lowest tender's supplier delivers 15,000 bricks.
890 words, about 4 min2Fly levelling for a canal bank fails despite a clean arithmetic check
A survey party must fix the formation level of a 1.2 km canal bank between two permanent benchmarks: BM-A at chainage 0 with RL 100.000 m, and BM-B at chainage 1200 m with RL 102.400 m. Fly levelling is done in eight instrument setups.
856 words, about 4 min3Timber joist passes the stress check but sags too much
A timber floor joist in a school verandah spans 4.0 m between simple supports and carries a uniformly distributed load of 6 kN/m, which already includes its own weight. The section chosen is 150 mm wide × 250 mm deep.
780 words, about 4 min4M20 cube results that pass individually but fail as a group
A ready-mix supplier is supplying M20 concrete for the columns of a two-storey school building. Six consecutive samples, each the average of three 150 mm cubes cured in the site tank and tested at 28 days, give: 18.0, 21.5, 23.0, 19.0, 22.5 and 17.5 N/mm².
835 words, about 4 min5Superelevation, widening and transition on a 120 m highway curve
A two-lane undivided state highway has a 7.0 m carriageway and a horizontal curve of radius 120 m in plain terrain. The design speed is 65 km/h, the maximum superelevation permitted in plain terrain is 7%, the lateral friction coefficient may be taken as 0.15, the wheelbase of the design vehicle is 6.0 m, and the straight-section camber is 2.5%.
937 words, about 5 min