Geotechnical / Services

Pavement Analysis

The pavement analysis generally follows the AASHTO method for pavement design. The pavement design is driven by the subgrade condition. InTEC of San Antonio provides both rigid (concrete) and flexible (asphalt) pavement designs for a variety of facilities:

  • Residential streets, including local, collector, and arterial type streets
  • Commercial parking lots

InTEC of San Antonio presents multiple pavement options so that the owner can choose the one that best fits the project requirements. The pavement options include a variety of subgrade stabilization options:

  • Lime stabilization
  • Cement stabilization
  • Use of 3x5 rock
  • Use of geogrid

Frequently Asked Questions

Pavement design
  • Soils analysis helps determine the subgrade condition
  • Type of street establishes the anticipated traffic volume
  • Flexible pavement system consists of subgrade, aggregate base, and asphalt
  • Thicknesses of various pavement sections are determined to work with the existing subgrade
Notes on Pavement Analysis
  • Typical design life of pavement is 20 years with systemmatic maintenance
  • Pavements are primarily designed to handle top-down loading
  • Traffic volume is based on the proposal facility usage and not based on transient vehicular traffic
  • In South Central Texas, the pavement distresses are common
  • The pavement distresses are due to change in moisture content of the underlying subgrade or aggregate base