SkyCiv Documentation

Your guide to SkyCiv software - tutorials, how-to guides and technical articles

SkyCiv Foundation

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  3. Combined Foundation
  4. Introduction

Introduction

An Combined footing is a long footing supporting two or more columns in one row.  Combined footing are commonly used as alternative [1] when columns are spaced too closely that if isolated footing is provided the soil beneath may have a part of common influence zone and [2] bearing capacity of soil is such that isolated footing design will require extension of the column foundation to go beyond the property line.

combined_perspective

Figure 1. Combined Footing

SkyCiv Foundation (combined) has the following features:

  • Summary table of design check values and ratios
  • Detailed, step-by-step calculation report (PDF or HTML download).
  • Intuitive user-interface.
  • Provides dynamic graphical representation of the shear and moment.
  • Extensive documentation, solved examples, and blog posts to guide you throughout the software.
  • Dual screen features between Geometry and Analytical Diagrams.

Supports the following:

  • Fully code compliance with ACI 318 and AS3600.
  • Can solve Multiple foundations.
  • Computes Overturning Moment and Sliding Factor of safety
  • Can solve multiple load cases such as Dead, Live, Earthquake, Wind and etc.
  • Customization loads, materials, reinforcement and design criteria.
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