9.4 Three Concrete Classes

In the 2014 TxDOT specifications, there are three classes of concrete related to concrete pavement:
  • Class P,
  • Class K, and
  • Class HES.
Table 3-10: Concrete Classes
Class
Characteristics
P
  • normal concrete paving
K
  • once used for projects when high early strength was preferred, such as full-depth or partial-depth repairs
  • classified as structural concrete and subject to ASR mitigation options
  • when used, strength requirements must be shown on the plans
HES
  • originally developed for 2004 Specifications; intended for projects when high early strength is required
  • not classified as structural concrete and not subject to ASR mitigation options
  • when used, default strength requirements are included in Item 360