Designing a wall to prevent failure in bending requires a proper analysis of the soil loads and an appropriate structural design of the wall.
Simplae basement entry 8 reinforced retaining concrete wall design drawing.
Concrete stairs exposed concrete precast concrete concrete structure reinforced concrete concrete architecture architecture details architecture models architecture drawings.
A sideways force against a basement wall puts one face of the wall in tension see figure 1 next page and concrete s tensile strength is much lower than its compressive strength.
Ce 437 537 spring 2011 retaining wall design example 1 8 design a reinforced concrete retaining wall for the following conditions.
Two equations are developed in this.
Earthquake seismic design 7.
Soil mechanics simplified 4.
In this example the structural design of the three retaining wall components is performed by hand.
F c 3000 psi fy 60 ksi o development of structural design equations.
Aci e702 example problems buried concrete basement wall page 5 of 9 calculations references flexure and axial design vertical reinforcement at base of wall using section 14 4 design method walls designed as compression members based on preliminary investigation try 6 bars at an 8 inch spacing 6 8.
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.
Building codes and retaining walls 5.
Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance.
Concrete wall section detail.
In this example the structural design of the three retaining wall components is performed by hand.
Soil bearing and stability 8.
Forces on retaining walls 6.
Concrete strength al ൯ne for an 10 thick wall with 5 10 and 2 5 clear to strength steel will only reduce the nominal moment capacity of the secti對on from 136 68 to 135 66 inch kips 尩 if the concrete strength decreased from 3 5 to 3 0 ksi.
Two equations are developed.
F c 3000 psi fy 60 ksi natural soil development of structural design equations.
Assuming that the allowable bearing pressure of the soil is 120 knm 2 the coefþcient of friction is 0 4 and the unit.