Concrete Retaining Wall Expansion Joint Detail

9 1 introduction 9 2 contraction joints 9 3 isolation or expansion joints 9 4 construction joints. Chapter 9 liquid retaining structures p. Construction joints use construction joints when the c o n c r ete placement.

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Concrete retaining wall expansion joint detail.

Since we know the cohesion of the concrete and the surface area of the joint resisting force can be calculated. Thus we can check the stability. Especially when the retaining walls is longer it can not be concrete at once and by a single pour. Expansion joints should be located at intervals up to 90 feet.

Ment should not pass through wall expansion or isolation joints. Due to the above reasons and many others several shear keys are provided over the cross sections. These joints may be filled with flexible joint fillers. 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.

1 the bridge office has. For cantilevered and gravity walls vertical expansion joint spacing shall be a maximum of 60 feet on. 8 2 types of joints in concrete walls 8 3 contraction joints 8 4 isolation or expansion joints 8 5 construction joints. Backfilling against reinforced concrete retaining walls shall not be permitted until the concrete has reached its 28 day strength.

True expansion joints in cast in place walls are not common. Retaining walls and traffic barrier details for reinforced concrete retaining walls are. Typical control joint detail figure 16. Vertical expansion joints are incorporated into the wall to account for expansion due to temperature changes.

Typical expansion joint detail backfill and drainage requirements. Precast concrete cantilever wall expansion joints shall be in accordance with the standard specifications section 6 11 3 3. Greased steel dowels are often cast horizontally into the wall to tie adjacent sections together.

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