Concrete Retaining Wall Expansion Joint Detail

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

Concrete retaining wall expansion joint detail.

Backfill and drainage requirements shall be in accordance with. 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. Backfilling against reinforced concrete retaining walls shall not be permitted until the concrete has reached its 28 day strength.

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. Precast concrete cantilever wall expansion joints shall be in accordance with the standard specifications section 6 11 3 3. See clay and concrete masonry banding details tek 5 2a ref. Concrete control joint detail.

Concrete expansion joint detail. Vertical expansion joints are incorporated into the wall to account for expansion due to temperature changes. 9 1 introduction 9 2 contraction joints 9 3 isolation or expansion joints 9 4 construction joints. Since we know the cohesion of the concrete and the surface area of the joint resisting force can be calculated.

Figure 12 for timber retaining walls and figure 13 for masonry and concrete retaining walls. Construction joints use construction joints when the c o n c r ete placement. Ment should not pass through wall expansion or isolation joints. Chapter 9 liquid retaining structures p.

Retaining walls and traffic barrier details for reinforced concrete retaining walls are. Thus we can check the stability. Typical control joint detail figure 16. These joints may be filled with flexible joint fillers.

Expansion joints also work as contraction joints and may have smooth dowels to maintain the plane of the wall. 1 2 filler material. Expansion joints that allow completely independent movement between adjoining components are sometimes called isolation joints. True expansion joints in cast in place walls are not common.

1 for more detailed information. Backfill and drainage. 1 the bridge office has. Chapter 10 mass concrete p.

Expansion joints should be located at intervals up to 90 feet. Due to the above reasons and many others several shear keys are provided over the cross sections. Backfill and drainage. Control joints are typically required in exposed above grade concrete masonry walls where net aesthetic shrinkage cracking may detract from the appearance of the wall and to limit moisture or air infiltration.