1. Design the spacing of the main reinforcement of the stem section of retaining wall using 28 mm diameter bar. Consider a load factor of 1.6, clear concrete cover of 75 mm and 12 mm diameter bar ties. Round off to whole number in mm. A 6.0 m cantilever retaining wall with a surcharge of 15 KPa on the level of backfill.Use the following values:soil weight = 18 KN/m3,concrete weight = 23.5 KN/m3,angle of internal friction of soil = 33 degrees,coefficient of sliding friction (concrete on soil) = 0.5,compressive strength of concrete = 21 MPa;,yield strength of steel = 414 MPa,allowable soil pressure = 250 kPa.SURCHARGE = 15 kPa400 mm6 m1800 mm600 mm800 mm600 mm1.5 m

Given Data:Soil weight = 18kN/m3Concrete Weight = 23.5kN/m3Angle of internal friction of soil =…

Answered: . Design the spacing of the main…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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1. Design the spacing of the main reinforcement of the stem section of retaining wall using 28 mm diameter bar. Consider a load factor of 1.6, clear concrete cover of 75 mm and 12 mm diameter bar ties. Round off to whole number in mm.

A 6.0 m cantilever retaining wall with a surcharge of 15 KPa on the level of backfill.
Use the following values:
soil weight = 18 KN/m3,
concrete weight = 23.5 KN/m3,
angle of internal friction of soil = 33 degrees,
coefficient of sliding friction (concrete on soil) = 0.5,
compressive strength of concrete = 21 MPa;,
yield strength of steel = 414 MPa,
allowable soil pressure = 250 kPa.
SURCHARGE = 15 kPa
400 mm
6 m
1800 mm
600 mm
800 mm
600 mm
1.5 m

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