Front Counterfort Retaining Wall Reinforcement Details

These dimensions are only a guide and thinner walls of 10 15 cm thick sections may be used if structural stability is satisfied.

Front counterfort retaining wall reinforcement details.

F c 3000 psi fy 60 ksi natural soil development of structural design equations. Earthquake seismic design 7. The base of the wall is extended into the backfill on the heel side and is known as heel slab as shown in fig. Following are the most used types of retaining wall 1 gravity walls 2 cantilever walls 3 counterfort walls 4 buttress walls 5 crib walls 6 gabion wall 7 sheet pile walls 8 anchored earth walls 9 diaphragm walls 10 reinforced earth walls.

The bars shall be extended beyond the front face of the wall for a distance equal to development length of 750 mm 47 x 16 distribution steel 0 12 x 1000 x 450 100. The main reinforcement is provided horizontally along the length of the wall. Design the counterfort retaining wall. The counterfort retaining wall is a type of retaining wall with counterforts attached to the inside face of the wall to further resist lateral thrust and materials used for retaining walls are treated lumber concrete block systems stone brick and poured concrete.

It is most popular types of retaining wall. Retaining wall retains earth when level difference exists between two surfaces. A s 1570 mm 2 m in near face nf of wall. Soil bearing and stability 8.

These are the reinforced concrete walls in which lateral earth pressure is resisted by structural action of its members. Ce 437 537 spring 2011 retaining wall design example 1 8 design a reinforced concrete retaining wall for the following conditions. Counterfort retaining walls 12. Cantilevered tilt up walls 13.

Cantilever slab fixed at the front face of the stem h. Proppgortioning of wall components coefficient of active pressure k a 1 3. 10 types of retaining wall. When the triangular beams are placed on the front side of the retaining.

Actual reinforcement details may well be slightly different. Reinforcement is provided on earth. Reinforcement is provided on earth face and front counterforts are. Counterfort retaining wall when h exceeds about 6m g.

Building codes and retaining walls 5. This is based on the minimum steel. Retaining walls example 3 16 design of a cantilever retaining wall bs 8 110. 8 3 2 3 counterfort retaining walls typical proportions for counterfort retaining walls are as shown in fig 8 3c.

Gabion walls 16. Two equations are developed. Designing the cantilever wall stem 9. Pier and pile foundations 11.

Forces on retaining walls 6. The use of a counterfort will be determined by the relative costs of. A gravity wall h 3m masonry or stone b cantilever wall h 3m and h 6m c counterfort wall h 8m d buttress wall transverse stem support provided on front side e e bridge abutment additional horizontal restraint from bridge deck a gravity wall h 3m masonry or stone.