CivilTech Studio blog
Foundations, soil & retaining walls. Worked examples checked against the CivilTech Studio engines.
#mat-foundation#raft-foundation#drop-panel
Mat foundation design with drop panels for punching shear: step-by-step calculation per IS 456 Clause 31.6 and ACI 318-19 Section 22.6, critical perimeter, drop panel sizing, and a worked example.
7 min read
#earthwork#surveying#quantity-estimation
Work out cutting and filling volumes from cross-sections by the average end area and prismoidal methods, with bulking, shrinkage and a 100 m road example.
8 min read
#basement-design#is-456#is-3370
Basement wall design to IS 456 and IS 3370, step by step: at-rest earth and water pressure, propped-wall moments, base slab uplift, the 1.2 flotation check and 0.2 mm crack width, with a full worked example run on the CivilTech Studio engine.
22 min read
#is-456#footing-design#isolated-footing
Isolated footing design IS 456 guide, step by step: plan size from net SBC, depth from one-way shear, punching and dowel anchorage, steel by Annex G. A full worked example for a 900 kN column, hand-checked against the CivilTech Studio engine.
21 min read
#geotechnical#spt#bearing-capacity
How to find safe bearing capacity from SPT N value: N corrections, the IS 6403 shear check, Meyerhof, Bowles and Burland & Burbidge settlement methods, water table effects and IS 1893 liquefaction screening, with a full worked example.
20 min read
#retaining-wall#is-456#cantilever-wall
A complete retaining wall design calculation for a 4.0 m cantilever RC wall to IS 456: earth pressure, overturning, sliding (cl. 20.1/20.2), base pressure, stem, heel and toe steel, with every number checked by hand and by the CivilTech Studio engine.
21 min read
