If one tries to calculate theses slabs in order to take these loads, hardly
a situation occurs where they would be suitable from calculation alone,
however the current practice is to achieve assurance and approval from the
I'm not quite sure what you mean by this statement. Are you implying that if
you did a calculation based on Ultimate Strength (load factor) design the
calculations would show that the precast concrete plank is not strong enough?
Yet, a manufacturer will state that their plank is sufficient for the
application? How do the masonry walls you mention play into this? Do the
planks calculate out for uniform load, yet not with localized partition
Richard Lewis, P.E.
Missionary TECH Team
The service mission like-minded Christian organizations
may turn to for technical assistance and know-how.