Tensile bond between in-situ topping and hollow core plank

[nathan7]

Hi, I'm trying to find out is there has been done any test or research that demonstrate the pure tensile bond capacity between the topping and the hollow core plank.

I've got the situation where the topping is fixed to the precast walls via reinforcement bars fully lapped with the mesh in the topping, the plank is supported by a steel shelf angle. We are assessing if the the angle can be temporarily removed for maintenance purposes without needs of temporary propping.

When the angle will be remove the hollow core plank will be supported by the tensile bond between the top of the plank and the bottom of the topping (including the fact that the topping will be in between the planks as well).

There is not much about tensile bond between in-situ topping and hollow core planks.

Any suggestions?

 

[hokie66]

Regardless of the tensile strength you might think you have, this is very risky and unsafe proposal. You should remove only short pieces of the angle at a time.