On Caltrans Bridge Design Practice 4th Edition Chapter 21 page 21-96, the calculation of effective width bv for Vww showed the superstructure depth (6.75') plus 1/3 of the abutment stem height (7.25'). Could you explain why 1/3 of the stem height was used instead of full height of the abutment...
The provision 1810.3.11.2 has minimum anchorage requirement of piles. It said: "...Anchorage shall develop a minimum of 25 percent of the strength of the element in tension. ..." In this sentence, is it safe to consider that "the element in tension" include pile's tension capacity developed by...
I am designing seismic force resisting frames and have a question about steel special moment frame. If only one end of moment frame beam utilizes a pre-qualified connection per AISC 358 but the other end uses simple beam connection (pinned connection), Is it possible to treat this system as a...
