Buttress Retaining Wall Design Example Pdf
However retaining walls can also be constructed for aesthetic landscaping purposes.
Buttress retaining wall design example pdf. Classification of retaining walls. Design and analysis of retaining walls 2 economical when the wall height exceeds 8m. Thickness of counterfort 6 of height of wall. Safe bearing capacity of soil is 200 kn m2.
Whereas if bracing is in front of the wall and is in compression instead of tension the wall is called buttress retaining wall. Take the co efficient of friction between concrete and soil as 0 6. Preliminary proportioning of counterfort retaining wall. Design example cantilever retaining wall.
Classification of retaining walls backfill backfill gravity rw t shaped rw l shaped rw tile drain counterfort buttress backfill weep. The density of soil is 18kn m3. Forces on retaining walls 6. Soil bearing and stability 8.
Types of retaining walls buttress wall similar to counterfort wall but bracing is constructed in front of the wall. Design procedure overview 3. Design of counterfort retaining wall. Design of shear key in case the wall is unsafe against sliding p p p tan2 45 φ 2 h p k p pere wh p unit passive pressure il b p a h a.
In no case thickness of any component be less than 300mm. Building codes and retaining walls 5. Buttress wall rcc 6. This excel sheet introduces design of counterfort retaining wall according.
Departemen teknik sipil dan lingkungan. Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance. Cantilever rc retaining wall a 2 71 25 9 b c d 103 9 58 0 0 40 25 10 0 4 5 19 10 0 95 5 soil bearing capacity base of wall soil surcharge 86 7 92 4. Design and detailing of retaining walls for class held from 2 nd april 07.
Element design example 1. Design and detailing of retaining walls dr. Counterfort retaining wall rcc buttress wall rcc 3. The backfill is horizontal.
Retaining wall design design example 1 design a cantilever retaining wall t type to retain earth for a height of 4m. 1 gravity wall masonry or plain concrete 2 cantilever retaining wall rcc inverted t and l 3 counterfort retaining wall rcc 4 buttress wall rcc. Thickness of heel slab and stem 5 of height of wall. Thickness of toe slab buttress not provided 8 of height of wall.
The angle of repose is 30 degrees. Classification of retaining walls 7 counterfort gravity rw t shaped rw l shaped rw.