Concrete Retaining Wall Expansion Joint Detail

Construction joints use construction joints when the c o n c r ete placement. Due to the above reasons and many others several shear keys are provided over the cross sections. Vertical expansion joints are incorporated into the wall to account for expansion due to temperature changes.

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Greased steel dowels are often cast horizontally into the wall to tie adjacent sections together.

Concrete retaining wall expansion joint detail.

True expansion joints in cast in place walls are not common. 1 the bridge office has. These joints may be filled with flexible joint fillers. Since we know the cohesion of the concrete and the surface area of the joint resisting force can be calculated.

Chapter 10 mass concrete p. Precast concrete cantilever wall expansion joints shall be in accordance with the standard specifications section 6 11 3 3. Retaining walls and traffic barrier details for reinforced concrete retaining walls are. Expansion joints should be located at intervals up to 90 feet.

Backfilling against reinforced concrete retaining walls shall not be permitted until the concrete has reached its 28 day strength. Typical expansion joint detail backfill and drainage requirements. Chapter 9 liquid retaining structures p. 8 2 types of joints in concrete walls 8 3 contraction joints 8 4 isolation or expansion joints 8 5 construction joints.

Thus we can check the stability. Typical control joint detail figure 16. 9 1 introduction 9 2 contraction joints 9 3 isolation or expansion joints 9 4 construction joints. For cantilevered and gravity walls vertical expansion joint spacing shall be a maximum of 60 feet on.

Especially when the retaining walls is longer it can not be concrete at once and by a single pour. 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. Ment should not pass through wall expansion or isolation joints.

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