Gravity Retaining Wall Design Calculations

Gravity walls generally are trapezoidal in shape but also may be built with broken backs.

Gravity retaining wall design calculations.

Every retaining wall supports a wedge of soil. Gravity retaining walls are earth retaining structures that depend primarily on their own self weight and that of any enclosed material to support the retained ground and any structures or loads placed upon it. The weight of the retaining wall including the gravity loads within it plays a vital role in performing the stability check. The base and other dimensions should be such that the resultant falls within the middle one third of the base.

8 3 2 1 gravity retaining walls gravity wall dimensions may be taken as shown in fig 8 3 a. One is the check for an overturning moment and the other one is the check for sliding. I m now doing the calculations so much faster and easier than doing it manually and most importantly the technical customer service team are great and they respond instantly and professionally to any. Setback sliding wedge.

Retaining wall cost varies by material. Planning a retaining wall. Restrained basement walls gravity walls and segmental retaining walls both gravity and with geogrids. A review of basic soil.

Poured concrete is typically the most expensive followed by wood timber and then stones and pavers. Figure a 4 retaining wall weight components. The wedge is defined as the soil which extends beyond the failure. 1 should be consulted.

Although wall heights up to 8 ft 2 44 m for conventional gravity walls and 14 ft 4 28 m for soil reinforced walls are presented properly engineered walls can exceed these heights. The factor of safety against sliding may be expressed by the equation. Other topics include sheet pile walls tilt up retaining walls soldier pile walls gabion walls counterfort walls pilaster walls and walls with pile or pier foundations. There are a variety of materials you can use to build a retaining wall including patio stones wood and poured concrete.

The civilweb gravity retaining wall design spreadsheet completes all the calculations instantly. Gravity wall is an intuitive program for gravity retaining walls design. ʃf r sum of the horizontal resisiting forces ʃfsl sum of the horizontal driving forces figure 8 2 indicates that the shear strength of the soil immediately below the base slab may be expressed as. Basic calculations needed to design a retaining wall.

For a detailed discussion of design and analysis parameters the design manual for segmental retaining walls ref. Retaining walls instantly enhance any landscape design. Try it for free without analysis restrictions. A retaining wall that relies solely on it s own weight to stand up is called a gravity wall allan block combines the basic engineering principles of setback leverage and total unit mass with simple mechanics to make highly stable gravity walls.

Refer to figure a 4 for the mass or weight calculations.