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.

Concrete retaining wall expansion joint detail.

Backfill and drainage. Concrete control joint detail. Figure 12 for timber retaining walls and figure 13 for masonry and concrete retaining walls. See clay and concrete masonry banding details tek 5 2a ref.

Thus we can check the stability. Expansion joints should be located at intervals up to 90 feet. Backfill and drainage. Precast concrete cantilever wall expansion joints shall be in accordance with the standard specifications section 6 11 3 3.

1 2 filler material. Backfilling against reinforced concrete retaining walls shall not be permitted until the concrete has reached its 28 day strength. These joints may be filled with flexible joint fillers. 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. Chapter 10 mass concrete p. 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. Typical expansion joint detail backfill and drainage requirements.

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. 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. Concrete expansion joint detail.

Chapter 9 liquid retaining structures p. True expansion joints in cast in place walls are not common. Greased steel dowels are often cast horizontally into the wall to tie adjacent sections together. Ment should not pass through wall expansion or isolation joints.

Typical control joint detail figure 16. Backfill and drainage requirements shall be in accordance with. 1 for more detailed information. Due to the above reasons and many others several shear keys are provided over the cross sections.

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