Guardrail design with cable infill is a not always as straightforward as it seems.
There are 2 codes that apply to the design of the cable infill. 50 lbf applied to 1 square foot & restricting a 4" sphere to pass through.
The code does draw a relate the force to the opening limit.
What is your approach to design of cable rails? Do you have any sources or references to share on the topic?
------------------------------
Chad Morrison P.E., M.ASCE
Professional Engineer
Greenville RI
------------------------------