Concrete Retaining Wall Expansion Joint Detail

These joints may be filled with flexible joint fillers.

Concrete retaining wall expansion joint detail.

Figure 12 for timber retaining walls and figure 13 for masonry and concrete retaining walls. Backfill and drainage. Concrete expansion joint detail. Especially when the retaining walls is longer it can not be concrete at once and by a single pour.

9 1 introduction 9 2 contraction joints 9 3 isolation or expansion joints 9 4 construction joints. See clay and concrete masonry banding details tek 5 2a ref. Since we know the cohesion of the concrete and the surface area of the joint resisting force can be calculated. Typical control joint detail figure 16.

Chapter 10 mass concrete p. Concrete control joint detail. Typical expansion joint detail backfill and drainage requirements. Thus we can check the stability.

True expansion joints in cast in place walls are not common. 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. 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. Expansion joints should be located at intervals up to 90 feet.

Chapter 9 liquid retaining structures p. Expansion joints that allow completely independent movement between adjoining components are sometimes called isolation joints. 8 2 types of joints in concrete walls 8 3 contraction joints 8 4 isolation or expansion joints 8 5 construction joints. Expansion joints also work as contraction joints and may have smooth dowels to maintain the plane of the wall.

Construction joints separate adjacent placements of concrete to make large pours manageable. Vertical expansion joints are incorporated into the wall to account for expansion due to temperature changes. Backfill and drainage. Due to the above reasons and many others several shear keys are provided over the cross sections.

Construction joints use construction joints when the c o n c r ete placement. Retaining walls and traffic barrier details for reinforced concrete retaining walls are. Backfilling against reinforced concrete retaining walls shall not be permitted until the concrete has reached its 28 day strength. 1 the bridge office has.

1 2 filler material. Backfill and drainage requirements shall be in accordance with. 1 for more detailed information. For cantilevered and gravity walls vertical expansion joint spacing shall be a maximum of 60 feet on.