ASTM C1776

Full Name

ASTM C1776 – Standard Specification for Wet-Cast Precast Modular Retaining Wall Units


This specification covers wet-cast precast modular retaining wall units cast from first-purpose concrete with or without the inclusion of steel reinforcement.

The precast units covered by this specification are machine-placed units intended for use in the construction of dry stacked modular retaining wall systems.


concrete block; gravity retaining wall; gravity wall block; large block retaining wall; modular block retaining wall; modular concrete block; MSE wall; PMB; precast concrete; retaining wall block