Concrete Retaining Wall Expansion Joint Detail
Ment should not pass through wall expansion or isolation joints.
Concrete retaining wall expansion joint detail. Construction joints use construction joints when the c o n c r ete placement. 1 the bridge office has. Typical control joint detail figure 16. If plans call for expansion joints verify the type of joint intended and execute the details carefully so the joint works pro p e r l y.
Especially when the retaining walls is longer it can not be concrete at once and by a single pour. Vertical expansion joints are incorporated into the wall to account for expansion due to temperature changes. True expansion joints in cast in place walls are not common. Since we know the cohesion of the concrete and the surface area of the joint resisting force can be calculated.
Due to the above reasons and many others several shear keys are provided over the cross sections. Expansion joints should be located at intervals up to 90 feet. These joints may be filled with flexible joint fillers. Chapter 10 mass concrete p.
Thus we can check the stability. Retaining walls and traffic barrier details for reinforced concrete retaining walls are. Typical expansion joint detail backfill and drainage requirements. 8 2 types of joints in concrete walls 8 3 contraction joints 8 4 isolation or expansion joints 8 5 construction joints.
Chapter 9 liquid retaining structures p. Greased steel dowels are often cast horizontally into the wall to tie adjacent sections together. Backfilling against reinforced concrete retaining walls shall not be permitted until the concrete has reached its 28 day strength.