The Bidirectional test exists since 1981 and is very well accepted in the US, Canada, Brazil, Singapore, China and a few other places but most of countries around the word still performs only the Head-Down test – most part still with kentledge.

The utilization of a top load reaction in a static test appears to be more familiar to lots of engineers but what they don’t know is that the Bidirectional test is safer, more convenient and can reach very high loads.