The coefficient of friction between the footing and foundation soil k 1 is 0 25 and the allowable soil bearing pressure is 2 000 psf 95 8 kpa ref.
Masonry block retaining wall design example.
Traditional retaining wall solutions can be expensive and restrictive for example cast in situ construction is slow and expensive to build and precast retaining wall panels are restricted in height.
Let s take a fresh look and see how concrete interlocking blocks or more commonly known as concrete lego blocks can be used as the solution.
Example design the reinforced concrete masonry cantile ver retaining wall shown in figure 2.
Hence this attempt to condense simplify and compile information from many sources including my own experience into this book.
The coefficient of friction between the footing and foundation soil k 1.
Wall thickness 12 in.
Masonry design and in all sorts of related topics.
Conditions and wall geometry n a design example which demonstrates the use of the australian standard and.
The self weight of the srw system is either the weight continue reading.
Design the reinforced concrete masonry cantilever retaining wall shown in figure 2.
Concrete masonry units concrete blocks manufactured to provide an attractive durable stable face to a retaining wall.
305 mm f m 1 500 psi 10 3 mpa assumed weights.
Masonry gravity retaining walls relying on gravity loads to resist the overturning.
Based on our example in figure a 1 we have the forces due to soil pressure due to water and surcharge load to consider.
Assume level backfill no surcharge or seismic loading active earth pressure and masonry laid in running bond.
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.
Assume level backfill no surcharge or seismic loading active earth pressure and masonry laid in running bond.