Concrete Retaining Wall Design Pdf
N wall height n soil type n sloping land below and or above the retaining wall n loads above and behind the retaining wall eg parked cars.
Concrete retaining wall design pdf. Soil bearing and stability 8. In this example the structural design of the three retaining wall components is performed by hand. Earthquake seismic design 7. 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.
Design procedure overview 3. 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 following parameters influence the design of the retaining wall. D ata sheet concrete retaining walls concrete retaining walls provide a durable solution that is required of a structure in contact.
Two equations are developed in this. The wall will be built adjacent to the roadway shoulder where traffic is 2 ft. The stem may have constant thickness along the length or may be tapered based on economic and construction criteria. Retaining walls such as mse walls with precast concrete panel facing that are susceptible to.
The base is divided into two parts the heel and toe. The retaining wall supports 15 0 of level roadway embankment measured from top of wall to top of footing. Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance. Forces on retaining walls 6.
F c 3000 psi fy 60 ksi o development of structural design equations. Concrete deadman driven into the ground or anchored into the earth with sufficient resistance. Soil mechanics simplified 4. From the barrier face.
Types of retaining walls tieback wall tieback is a horizontal wire or rod or a helical anchor use to reinforce retaining wall for stability one end of the tieback is secured to the wall while the other end is anchored to a stable structure i e. 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. Assuming that the allowable bearing pressure of the soil is 120 knm 2 the. Building codes and retaining walls 5.
Ce 537 spring 2011 retaining wall design example 1 8 design a reinforced concrete retaining wall for the following conditions. The wall stem is 1 6 wide to accommodate mounting a type 7 bridge rail to the top of wall.