Three basic equations will be used to develop an equation for d.
Concrete retaining wall calculation example.
The following design assumptions were made.
Reinforced concrete cantilever retaining wall analysis and design aci 318 14 reinforced concrete cantilever retaining walls consist of a relatively thin stem and a base slab.
The example calculations are made here using mathcad.
Two equations are developed in this section for determining the thickness reinforcement required to resist the bending moment in the retaining wall components stem toe and heel.
Port hills loess strength parameters.
Two equations are developed in this section for determining the thickness reinforcement required to resist the bending moment in the retaining wall components stem toe and heel.
Soil bearing and stability 8.
Bending strengthof the section has been reduced by about 15 shear strengthat wall base has been reduced by about 14.
The retaining wall is constructed on the foundation known as the raft foundation.
1 2 example wall.
The stem may have constant thickness along the length or may be tapered based on economic and construction criteria.
Design procedure overview 3.
Retaining walls example 3 16 design of a cantilever retaining wall bs 8 110 the cantilever retaining wall shown below is backþlled with granular material having a unit weight of 19 knm 3 and an internal angle of friction of 30.
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.
Development of structural design equations.
1 1 0 003 0 003 0 003 0 003.
F c 3000 psi fy 60 ksi.
The example wall is shown in figure x 2.
Building codes and retaining walls 5.
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 wall is assumed to be located in the christchurch port hills.
Design a reinforced concrete retaining wall for the following conditions.
The length of the foundation is 10mtr.
3500 psi concrete 5 10.
The base is divided into two parts the heel and toe.
Ce 537 spring 2011 retaining wall design example1 8.
Equation to calculate effective depth d.
Assuming that the allowable bearing pressure of the soil is 120 knm 2 the.
3 clear rather than the designed 2 clear.
Software such as mathcad or excel will be useful for design iterations.
In this example the structural design of the three retaining wall components is performed by hand.
C 0 φ 30 degrees.
Shear strength reduced from 7654 lbs to 6589 lbs.
Earthquake seismic design 7.
Concrete cantilever wall example.
In this example the structural design of the three retaining wall components is performed by hand.
Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance.
Strength reduced from 136 7 to 116 8 in kips.
Soil mechanics simplified 4.
Foundation engineering chapter 8.
0 85 2 0 85 1 2 2 β ε ε β φ φ.