Of course, you need to know for the exams.

ACI- American Concrete Institute

ASTM- American Society for Testing Materials

AASHO-American Association of State Highway Officials

AREA-American Railway Engineering Association

BNBC- Bangladesh Nation Building Code

BCI-British Concrete Institute

WSD-Working Stress Design

USD-Ultimate Strength Design

AASHTI-American Association
 of State Highway and Transportation Officials