Foundation

http://constructiondetails.us.cype.com/CSZ002.html

https://shadco.com/index.html

https://yuanboit.en.made-in-china.com/productimage/tobnAFWKZZhE-2f1j00ZswtpzonCacf/China-Steel-Column-Connected-to-Concrete-Foundation-.html

http://seblog.strongtie.com/2015/09/understanding-and-meeting-the-aci-318-11-app-d-ductility-requirements-a-design-example/

 

http://www.home2blog.com/2017/05/detail-mark-up-series-post-1.html