Concrete Retaining Wall Expansion Joint Detail

1 for more detailed information.

Concrete retaining wall expansion joint detail.

Backfilling against reinforced concrete retaining walls shall not be permitted until the concrete has reached its 28 day strength. Concrete expansion joint detail. Backfill and drainage. Construction joints separate adjacent placements of concrete to make large pours manageable.

1 the bridge office has. 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. Typical expansion joint detail backfill and drainage requirements.

These joints may be filled with flexible joint fillers. 8 2 types of joints in concrete walls 8 3 contraction joints 8 4 isolation or expansion joints 8 5 construction joints. 1 2 filler material. 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.

Due to the above reasons and many others several shear keys are provided over the cross sections. Backfill and drainage requirements shall be in accordance with. Chapter 10 mass concrete p. Expansion joints also work as contraction joints and may have smooth dowels to maintain the plane of the wall.

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

Retaining walls and traffic barrier details for reinforced concrete retaining walls are. Thus we can check the stability. 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.

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. Typical control joint detail figure 16. Concrete control joint detail. True expansion joints in cast in place walls are not common.

See clay and concrete masonry banding details tek 5 2a ref. Especially when the retaining walls is longer it can not be concrete at once and by a single pour. Ment should not pass through wall expansion or isolation joints. Expansion joints that allow completely independent movement between adjoining components are sometimes called isolation joints.