Design the vertical stem of a T-shaped retaining wall for a height of 3 m above the ground level. The top of the earth retained is surcharged at an angle of 10° with the horizontal as shown in Fig. 18.7. The angle of repose of earth is 29° and its density is 17 kN/m. The safe bearing pressure is 100 kN/m2. Use M25 concrete and Fe 415 grade steel. 150 VERTICAL STEM 3000 1000 TOE 200 Fig. 18.7 T-retaining wall

Design the vertical stem of a T-shaped retaining wall for a height of 3 m above the ground level. The top of the earth retained is surcharged at an angle of 10° with the horizontal as shown in Fig. 18.7. The angle of repose of earth is 29° and its density is 17 kN/m. The safe bearing pressure is 100 kN/m2. Use M25 concrete and Fe 415 grade steel. 150 VERTICAL STEM 3000 1000 TOE 200 Fig. 18.7 T-retaining wall

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter17: Retaining Walls

Section: Chapter Questions

Problem 17.5P

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Concept explainers

Braced cuts

The braced cut is a method of providing lateral support to the soil in foundation trenches, to prevent the trenches from deformation by the caving in of soil and resisting it from moving laterally. During shallow excavation in firm soil, generally, slopes are provided to resist the caving in of soil. During shallow excavation in soft soil and deep excavation, the chances of caving in of soil increase. Hence, it becomes necessary to make a provision to resist the deformation of trenches due to caving in of soil. The braced cut is the method used for such conditions. The excavation using braced cuts is a bit uneconomical as compared to the traditional open-cut excavation method but provides better safety than the cut excavation method.

Question

Design the vertical stem of a T-shaped retaining wall for a height of 3 m above the
ground level. The top of the earth retained is surcharged at an angle of 10° with the
horizontal as shown in Fig. 18.7. The angle of repose of earth is 29° and its density is 17
kN/m. The safe bearing pressure is 100 kN/m2. Use M25 concrete and Fe 415 grade steel.
150
VERTICAL
STEM
3000
1000
J400
TOE
200
Fig. 18.7 T-retaining wall

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