Concrete Engineering vs Geotechnical Engineering

Concrete Engineering Calculator is a user-friendly app with 56 calculators for concrete and civil engineering parameters. This version introduces smart auto-fill pickers, a full calculation history with PDF export, and ACI code references on every calculator. Key Features: 56 calculators covering beams, columns, slabs, walls, and more Supports both Metric (SI) and Imperial (USCS) units Includes detailed formulas for all calculations Smart auto-fill pickers for concrete mix grades, rebar grades, and bar sizes Calculation history with save, review, and PDF export ACI 318-19 code reference badge on every calculator 6 calculators free forever, 56 total — unlock all with a one-time purchase, no subscription Beam Calculations: Water/Cementitious Materials Ratio Modulus of Elasticity Tensile Strength Compressive Stress (Beam) Stress in Reinforcement Cross-sectional Area (Tensile and Compressive Reinforcement) Stress (Extreme Fiber of Concrete) Shear and Diagonal Tension Nominal Shear Stress Ultimate Shear Capacity Cracking Moment Bending Moment Capacity (Underreinforced and Rectangular Beams) Column Calculations: Total Allowable Axial Load Spiral Reinforcing Ratio Long-Column Load Reduction Factor (Fixed Ends) Maximum Permissible Eccentricity (Spiral and Tied Columns) Bending Load (Spiral and Tied Columns) Slab and Wall Calculations: Slab Thickness Flexural Stiffness Ratio (Beam Section and Slab Width) Axial Capacity of Wall Nominal Shear Stress on Wall Vertical Shear Reinforcement Ratio of Wall Development Lengths and Crack Control: Tension Development Lengths (Various Bar Types) Compression Development Length Development Length (Hooked Bar) Crack Width Control Additional Calculations: Volume of Spiral Steel to Concrete Core Ratio Moment at Balanced Condition Shear Friction Reinforcement Area Coefficient of Sliding Friction Modular Ratio Steel Ratio Effective Moment of Inertia Total End Shear (Counterfort Walls) Ultimate Strength (No Wind, With Wind, With Earthquake Load) Auto-Fill Reference Pickers: Concrete mix picker fills compressive strength and modulus of elasticity automatically Rebar grade picker fills yield strength and modulus of steel automatically Bar size picker fills cross-sectional area and diameter automatically All pickers support both SI and USCS unit modes

Geotechnical Engineering Practice is an educational application designed to help students understand and practice the fundamental concepts of soil and foundation engineering. The app focuses on practice-based learning through chapter-wise quizzes, mock tests, and daily quizzes aligned with standard geotechnical engineering curricula. Users can practice questions from individual topics, attempt mock tests for overall assessment, and monitor their performance using statistics. The app supports self-study, classroom learning, and examination preparation for engineering students. Topics Included 1. Introduction to Geotechnical Engineering Geotechnical engineering concepts, scope, soil and rock, soil mechanics, and foundation engineering basics. 2. Soil Formation and Classification Soil formation processes, residual and transported soils, soil classification, IS soil classification system, and index properties. 3. Physical Properties of Soil Water content, specific gravity, void ratio, porosity, degree of saturation, and density of soil. 4. Soil Consistency and Atterberg Limits Soil consistency, liquid limit, plastic limit, shrinkage limit, plasticity index, and flow index. 5. Soil Compaction Compaction principles, standard and modified Proctor tests, optimum moisture content, maximum dry density, and field compaction methods. 6. Permeability of Soil Permeability concepts, Darcy’s law, coefficient of permeability, constant head and falling head tests, and influencing factors. 7. Seepage and Flow Nets Seepage, flow nets, equipotential lines, flow lines, seepage pressure, and piping failure. 8. Effective Stress and Pore Pressure Total stress, pore water pressure, effective stress, Terzaghi’s principle, capillary pressure, and stress distribution. 9. Shear Strength of Soil Shear strength, Mohr–Coulomb theory, cohesion, angle of internal friction, direct shear test, and triaxial test. 10. Consolidation of Soil Consolidation concepts, primary and secondary consolidation, oedometer test, compression index, and coefficient of consolidation. 11. Earth Pressure Theories Earth pressure concepts, at-rest, active and passive earth pressure, Rankine’s theory, and Coulomb’s theory. 12. Foundations Foundation concepts, types of foundations, bearing capacity, Terzaghi’s bearing capacity theory, settlement, and foundation failure modes. Key Features Chapter-wise practice quizzes Mock tests for full syllabus assessment Daily quiz for regular practice Performance statistics to track progress Content aligned with geotechnical engineering syllabus Simple and distraction-free interface Geotechnical Engineering Practice is suitable for undergraduate engineering students preparing for examinations and strengthening conceptual understanding through consistent practice.