How To Design The Key Of A Concrete Retaing Wall

These consists of a concrete or masonry wall of uniform thickness vertical wall reinforcing and transverse footing reinforcing are all designed for the lateral shear and cantilever bending movement plus the vertical weights of the wall footing and earth fills.

How to design the key of a concrete retaing wall.

2 or reinforced concrete design handbooks. Of leveling sand and half the height of the first course of blocks. For guidance see aci standard 318 ref. The thickness of base slab is h 12 or 8 of the height of wall surcharge.

Based on our example in figure a 1 we have the forces due to soil pressure due to water and surcharge load to consider. Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on. Despite the many references a single volume on retaining wall design for the professional practitioner and civil engineering student could not be found. In this photo increte contractors installed a poured in place decorative concrete wall system called stone crete that creates deep relief stone walls with a variety of available textures and colors.

Sketches of the retaining wall forces should be considered to properly distinguish the different forces acting on our retaining wall as tackled in the previous article retaining wall. Focuses on the analysis and design of a tapered cantilever retaining wall including a comparison with model results from the engineering software programs spwall and spmats. For economical design soil pressure resultant r must be in line with front face of wall. Preliminary proportioning of cantilever retaining wall.

X sk flexural reinforcement from stem is extended straight into shear key near the. Numerous textbooks and technical papers on soil mechanics foundation engineering concrete design masonry design and in all sorts of related topics. Poured concrete retaining walls can also be decorative and reproduce the look of stone or masonry. The retaining wall is fixed to the reinforced concrete slab foundation with a shear key for sliding resistance.

Of compacted base 1 in. 5 bars at 16 in. The design of the reinforced concrete footing and key should conform to american concrete institute requirements. M 16 at 406 mm o c.

Using strength design table 2 this wall requires no. How to build a concrete wall figure a.