Question

A ___________ uses rigid frame of chords and web members, usually heavy timbers with steel plate connects and bolts (it does not sue tensioned steel rods or ties)

a) Bowstring Truss
b) Rigid or rib-arch truss
c) Tied Arch
d) Cantilever

Answer 1

b) Rigid or rib-arch truss. A rigid or rib-arch truss is a truss that uses a rigid frame of chords and web members, usually heavy timbers with steel plate connections and bolts. It does not use tensioned steel rods or ties. It provides strength and stability through its rigid structure and is capable of supporting significant weight.

Step-by-step explanation:

The correct answer is Rigid or rib-arch truss. This type of truss uses a rigid frame of chords and web members, usually heavy timbers with steel plate connections and bolts. Unlike other truss designs, it does not use tensioned steel rods or ties. It provides strength and stability through its rigid structure, able to support substantial weight.