Segmental Concrete Gravity Retaining Walls

An information series from the national authority on concrete masonry technology ncma tek 15 5b 1 segmental retaining wall design introduction segmental retaining walls srws function as gravity structures by relying on self weight to resist the destabilizing forces due to retained soil backfill and surcharge loads.

Segmental concrete gravity retaining walls.

Cip esignd 15 if required and construct segmental gravity retaining walls based on actual elevations wall. Segmental retaining walls 17. Wood retaining walls 14. Retaining walls are often used for grade changes and for other functional reasons such as widening driveways walkways or creating more space in a patio outdoor area.

The wedge is defined as the soil which extends beyond the failure. Segmental retaining walls consist of a facing system and a lateral tieback system. Every retaining wall supports a wedge of soil. Provide concrete slope protection as required.

The self weight of the srw system is either the weight continue reading. No analysis of global stability total or differential settlement or seismic effects has been performed. Cantilevered tilt up walls 13. Design manual for segmental retaining walls third edition.

Restrained non yielding walls 20. National concrete masonry association 2009. The concrete alone would cost more than the srw. Standard specification for segmental retaining wall units astm c 1372 04e2.

Our low absorption high strength solid concrete units provide not only the long lasting durability engineers expect but also the limitless number of design options. 454 1 description 13 construct segmental gravity retaining walls consisting of segmental retaining wall srw units 14 supported by aggregate footings. A retaining wall that relies solely on it s own weight to stand up is called a gravity wall allan block combines the basic engineering principles of setback leverage and total unit mass with simple mechanics to make highly stable gravity walls. Setback sliding wedge.

Sheet pile walls 21. Swimming pool walls 18. Segmental gravity retaining walls 12. The an alysis was perfor d as outlined in the nation concrete masonry association design manual for segmental retaining walls second edition.

How retaining walls fail. Construction topics and caveats 24. Place concrete wall with a veneer to achieve the same look. Para meters listed above.

Soldier pile walls 22. Since 1987 versa lok has been creating solid solutions for architects and engineers with the industry s original solid top pinning segmental retaining wall system. This is a typical non site specific design. Become a keystone producer.

With no need for the additional cost of the veneer 6 8 more per square foot segmental retaining walls offer the client an economical solution for their exterior structural requirements. Simac specifying segmental retaining walls landscape architecture march 1994.