Concrete Retaining Wall Expansion Joint Detail

Especially when the retaining walls is longer it can not be concrete at once and by a single pour.

Concrete retaining wall expansion joint detail.

9 1 introduction 9 2 contraction joints 9 3 isolation or expansion joints 9 4 construction joints. 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. Chapter 10 mass concrete p. Typical expansion joint detail backfill and drainage requirements.

Vertical expansion joints are incorporated into the wall to account for expansion due to temperature changes. 8 2 types of joints in concrete walls 8 3 contraction joints 8 4 isolation or expansion joints 8 5 construction joints. These joints may be filled with flexible joint fillers. Typical control joint detail figure 16.

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. Precast concrete cantilever wall expansion joints shall be in accordance with the standard specifications section 6 11 3 3. Thus we can check the stability.

Ment should not pass through wall expansion or isolation joints. 1 the bridge office has. Chapter 9 liquid retaining structures p. Retaining walls and traffic barrier details for reinforced concrete retaining walls are.

True expansion joints in cast in place walls are not common. Backfilling against reinforced concrete retaining walls shall not be permitted until the concrete has reached its 28 day strength. Since we know the cohesion of the concrete and the surface area of the joint resisting force can be calculated.