Retaining Wall Design Calculations

Worked example to accompany mbie guidance on the seismic design of retaining structures for residential sites in greater christchurch version 2 november 2014.

Retaining wall design calculations.

Design retaining wall for car bumper might be necessary when the wall extends above grade and the parking area is close to it. Under normal conditions the lateral earth pressure is at rest condition. There are a variety of materials you can use to build a retaining wall including patio stones wood and poured concrete. When retaining wall is designed for impact loads the stem should be checked at equally spaced points along stem length from top to the bottom as impact load spread at the greater length of the stem.

The design of a retaining wall must account for all applied loads. In the temporary condition no water will be taken into account. A design approach discusses the principle and concept behind and when and where to consider a retaining wall in our design. Our previous article retaining wall.

The loads that are of primary concern are the lateral earth pressures induced by the retained soil. Assuming that the allowable bearing pressure of the soil is 120 knm 2 the. There various parts of a retaining wall and design principles of these retaining wall components based on different factors and material and methods of construction are discussed. However the term is usually used with reference to a cantilever retaining wall which is a hellip.

Design procedure overview 3. Any wall that sustains significant lateral soil pressure is a retaining wall. Soil mechanics simplified 4. Cantilever concrete retaining walls are commonly used for residential purposes often as integral basement walls.

Retaining wall design temporary condition the following calculations will consider the worst case. Retaining walls instantly enhance any landscape design. Poured concrete is typically the most expensive followed by wood timber and then stones and pavers. We have learned the different checks against the mode of failures in the retaining wall.

Building codes and retaining walls 5. Cantilever retaining wall design of retaining wall retaining wall design calculations excel. Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance. Earthquake seismic design 7.

Planning a retaining wall. Forces on retaining walls 6. Soil bearing and stability 8. Retaining wall design calculation example posted on april 29 2012 by retainingwalldesign the cross section of a cantilever retaining wall is shown in figure 8 10 calculate the factors of safety in regards to overturning sliding and bearing capacity.

Retaining wall analysis bs 8002 1994 tedds calculation version 1 2 01 06 wall details retaining wall type cantilever propped at base height of retaining wall stem hstem 3500 mm.