Compliance With Following International Standards: ASTM D1833, AASHTO T193 Significance & Use This test method is used to evaluate the potential strength of sub‑grade, sub‑base, and base course material, including recycled materials for use in road and airfield pavements. The CBR value obtained in this test forms an integral part of several flexible pavement design methods. Further details available on our website. Price and specifications mentioned here are subject to change as per the application, customer requirements and prevailing market conditions. Please refer to us for the final rates and offer.