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Complete notes on Functional Classification of Roads in India for GATE CE and SSC JE. Covers IRC 3, IRC 73, IRC 86 — NH, SH, MDR, ODR, VR and urban road hierarchy. Includes design speeds, gradients, carriageway widths, technical diagrams, master comparison table, 7 solved MCQs, and 7 FAQs.
Complete guide on Development of Highway in India for GATE CE and SSC JE 2025. Covers history, Nagpur Road Plan, Bombay Plan, Lucknow Plan, NHDP, Golden Quadrilateral, road classification IRC 3, highway authorities, key formulas, technical diagrams, previous year questions and FAQs.
Complete guide on Engineering Surveys for Highway in India for GATE CE and SSC JE. Covers reconnaissance, preliminary and final location survey, levelling with worked example, cross-section area calculations (level & two-level), earthwork by Average End Area and Prismoidal methods, Mass Haul diagram, curve setting out (deflection angle method with calculation), soil investigation CBR, drainage Rational method culvert sizing, modern survey tools, 3 SVG diagrams, 7 solved MCQs and 5 FAQs.
Complete guide to the CBR Test (California Bearing Ratio) as per IS 2720 Part 16 for highway and pavement design in India. Covers step-by-step procedure, soaked vs unsoaked CBR, SVG technical diagrams, detailed worked calculations, IRC 37 acceptance criteria, MoRTH requirements, field testing guidance, and 8 detailed FAQs. Essential reference for civil engineers working on NH, SH, and rural road projects.
Complete guide on Road Patterns in India for GATE CE and SSC JE. All 8 types — Rectangular, Radial, Radial-Ring, Hexagonal, Minimum Travel, Block, Irregular, Linear — with detailed SVG diagrams for each pattern, shapes, advantages, disadvantages, Indian examples, comparison table, 7 solved MCQs and 6 FAQs.
Complete quick-revision guide for highway geometric design. IRC 32-2015 serviceability indicators, negative superelevation, ruling radius, design vehicle, road delineator, and all key formulas in one place.
Learn how to locate the highest point on a summit curve and lowest point on a valley curve. Derivation of x₀ = n₁L/N (square parabola) and x₀ = L√(n/2N) (cubic parabola) with solved examples.
Complete guide to valley curve length formulas (comfort + HSD) for both L>S and L
Step-by-step derivation of summit curve length formulas for both cases (L>S and L
Step-by-step derivation of summit curve length formulas for both cases (L>S and L