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Civil and Geotechnical

16 tools in 8 sections. Each tool page shows the method with the numbers substituted, its references and the published examples it reproduces.

Design Loads 2

  • Wind, Snow and Seismic Loads Design-load generator in the ASCE 7 framework with every coefficient an entered input: wind velocity pressure q_z = 0.00256 K_z K_zt K_d K_e V² with K_z from the…
  • Lifting and Rigging Loads Lift-plan arithmetic from the public-domain rigging standards (DOE-STD-1090 Hoisting and Rigging, USACE EM 385-1-1, NAVFAC P-307, Army TM 3-34.86): the tension in every…

Steel Design 2

  • AISC Connection Checks Limit-state checks of ANSI/AISC 360-16 Chapters D and J for a bolted plate, splice or tension-member end connection, each reported as the nominal strength R_n with the…
  • Steel Beam and Column Design Strength checks of a doubly symmetric steel I-shape under axial force, strong- and weak-axis bending and shear with the provisions of ANSI/AISC 360-16 written out as…

Concrete Design 2

  • Reinforced Concrete Beam and Column Strength design of a rectangular or T reinforced-concrete beam and of a rectangular or circular tied or spiral column by strain compatibility with the ACI 318 equivalent…
  • Concrete Slab and Footing Design Strength design of reinforced-concrete slabs and footings with the ACI 318 equations as mathematics and every code factor entered (φ, load factors, moment coefficients,…

Foundations 2

  • Retaining Wall and Footing Stability of a cantilever or gravity retaining wall and bearing capacity of a spread footing in two parts chosen by a select.
  • Pile Capacity and Lateral Load Axial resistance of a driven pile or drilled shaft in a layered soil profile by the FHWA static analysis methods (Nordlund for sand with its charts digitized from GEC…

Soils 2

  • Bearing Capacity and Settlement Shallow foundation design: the ultimate bearing capacity of a strip, square, rectangular or circular footing by the Terzaghi (1943), Meyerhof (1963), Hansen (1970) and…
  • Slope Stability Limit-equilibrium stability of a slope drawn as a ground-surface polyline over up to five soil layers with a piezometric line, a surcharge, a horizontal seismic…

Timber and Masonry 2

  • Timber Beam and Column Allowable-stress design of a sawn-lumber or glulam beam and column by the Wood Handbook mechanics (USDA FPL-GTR-190 chapter 9) with the NDS adjustment-factor names: the…
  • Masonry Wall and Pier Allowable-stress (working-stress) design of concrete-masonry and clay-masonry elements following the public-domain Army TM 5-809-3 / NAVFAC DM-2.9 / AFM 88-3 Chap.

Hydraulics 2

  • Open-Channel Flow Steady flow in an open channel of rectangular, trapezoidal, triangular, circular (pipe partly full) or parabolic section by Manning's equation: normal depth for a…
  • Culvert and Storm Drain Hydraulics Two tools of the FHWA drainage manuals. Culvert (HDS-5, 2012): a circular, box, elliptical or pipe-arch barrel with one of 22 inlet configurations; headwater by inlet…

Surveying and Earthwork 2

  • Earthwork Volumes and Mass Haul Route earthwork and alignment computations from the public-domain surveying manuals: cut and fill volumes between cross sections by the average-end-area and prismoidal…
  • Horizontal and Vertical Curves and Sight Distance Route geometry from the public-domain surveying and highway-design manuals: the simple circular curve by the arc or chord definition (R, D, T, L, E, M, LC, PC and PT…