Moment Frame : An unbraced planar frame. Moment frames resist lateral forces by flexure of the comprising beams and columns. See Hall (2003), and Dowrick (1977), Park and Paulay (1975), and Salmon and Johnson (1996)
Peter Bormann, Keiiti Aki, William H. K. Lee, and Johannes Schweitzer (Compilers and Amenders), Glossary of Terms Interest to Earthquake and Engineering Seismologists (Version 1), Publication records from external use of GFZ scientific infrastructure, Germany 2011. http://gfzpublic.gfz-potsdam.de/pubman/item/escido c:56137:3/component/escidoc:56143/Glossary_rev1.pd f, (ND/ Erthq - Amer) {980}