Skip to main content

Concrete joints

What type of joint consists of a premolded joint filler separating two separate concrete pours, allowing the two sections to move independently and relieve flexural stresses that develop at T- or unsymmetrical intersections? Typical use includes separating slabs from foundations walls or columns.
A. Control joint
B. Construction joint
C. Expansion joint
D. Isolation joint

Answer"D. Isolation joint. Typ. 1/2 - 1 in max width. Alternatively, expansion joints relieve stress due to confinement of a slab, allowing the slab to expand without damaging adjacent structures or the slab itself.

ARE 4.0 exam prep: BDCS

Comments

Post a Comment

Try These Too!

Structural forces

Choose a term that best identifies the type of force shown in this diagram - A. collinear B. concurrent C. nonconcurrent D. noncoplanar
Post a Comment
See the answer »

Fire detection

Which of the following detector types can detect smoke or a smoldering fire that has not yet burst into flames? A. Ionization B. Rise-of-temperature C. Photoelectric D. Flame detectors
Post a Comment
See the answer »