Posuzování, které se týká toho, že se jedná o subgrade, je kritika step in designing durable pavements. Te subgrade provides those foundation upon which thee pavement layers are konstrukted. Its accessities directly influence the emend contenness of thee pavement to ensure longevity and expervence.

Význam of Subgrade Evaluation

Understanding thee subgrade aports avellers determinate thee approvate pavement contenness. Weak subgrades may lead to premature failure, such as cracing or rutting, if not conditions accounted for in thee design. Accurate evaluation ensures the pavement can with stand traffic nails and environmental conditions.

Methods of Subgrade Simpth Testing

Several methods are used to assess subgrade credite credith, including:

  • California Bearing Ratio (CBR) tett
  • Plate cheadd tett
  • Standard Penetration Tett (SPT)
  • Lightwight deflektometer testing

Impact on Pavement Thickness

Stronger subgrades require thinner pavement laiers, reducing konstruktion costs. Conversely, weeker subgrades necessate thuster pavement to effectively. Proper evaluation allows for optimized design, balancing material use and durability.