Blog

Factored load for floor slabs with dead and live loads is:

Calculate the weight of a reinforced concrete beam that has a cross section b=13″and h=24″. Span length is 16ft

Calculate the nominal moment, Mn for a beam that has b=13″, d=26″, As is 4#8, F’c=4,000 psi and Fy=60,000psi.

What is a one-way slab?

For the strain diagram below, c=12, d=18, fy=60,000. What fails first, concrete in compression or steel in tension?

Calculate the weight of a reinforced concrete beam that has a cross section b=12″and h=25″. Span length is 20ft

Calculate the ultimate Moment, Mu of a slab that has a 250 psf dead load that includes the slab weight and a service live load of 250 psf. Slab span is 25ft. Final result should be in k/ft

What is the primary characteristic of unreinforced concrete?

After DNA replication, each duplicated chromosome consists of two of which of the following structures?  

Cell A has half as much DNA as cells B, C, and D in a mitotically active tissue. Cell A is most likely in ________.