Despite the many references a single volume on retaining wall design for the professional practitioner and civil engineering student could not be found.
Stone masonry retaining wall design example.
Flexural and shear stresses in gravity retaining walls will almost always be of minor importance.
The main purpose is to provide standard designs of stone masonry retaining wall that can be easily followed by engineers in the field.
They depend mostly on their own weight and any soil resting on the wall for stability.
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.
Design the reinforced concrete masonry cantilever retaining wall shown in figure 2.
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.
Assume level backfill no surcharge or seismic loading active earth pressure and masonry laid in running bond.
Masonry design and in all sorts of related topics.
This type of construction is not economical for walls higher than 3m.
The civilweb stone masonry retaining wall design spreadsheet is an advanced retaining wall design spreadsheet which completes the design of stone masonry retaining walls in accordance with bs en 1997.
Soil between a retaining wall and a trial failure plane.
6 foot 1 8 m high gravity retaining wall equivalent fluid pressure of soil 40 pcf 7 1 kn m soil weight 100 pcf 15 7 kn.
Flexural and shear stresses are checked in the second design example and it is seen that the magnitudes are very low.
Based on our example in figure a 1 we have the forces due to soil pressure due to water and surcharge load to consider.
The civilweb stone masonry retaining wall design spreadsheet comes complete with analysis tools which can be found nowhere else on the market.
Scope this guideline provides the fundamentals of design of stone masonry retaining walls.
Stone masonry retaining wall design example.
Hence this attempt to condense simplify and compile information from many sources including my own experience into this book.
B semi gravity retaining walls are modification of gravity wall in which small amounts of.
Retaining wall retains earth when level difference exists between two surfaces.
The masonry design standard nzs 42302004.
A gravity retaining walls are constructed of plain concrete or stone masonry.
Concrete or stone masonry plain concrete gravity wall.
A gravity wall h 3m masonry or stone b cantilever wall h 3m and h 6m c counterfort wall h 8m d buttress wall transverse stem support provided on front side e e bridge abutment additional horizontal restraint from bridge deck a gravity wall h 3m masonry or stone.
These walls are generally made of masonry and concrete.