Problem 2:A uniform concrete slab of total weight 100 kNis to be attached as shown to two rods whoselower ends are on the same level.Determine the tensile force of thealuminum rod so that the slab will remainlevel.Determine the ratio of the area ofaluminum rod to the steel rod so that theslab will remain level.SteelE=200 GPaL=6mAluminumE=69 GPaL=4mDetermine the vertical displacement of theconcrete slab if the aluminum rod has across sectional area of 320 mm?, with theslab remaining at horizontal level.3 m6 m

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Engineering

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crete slab of total weight 100 kN ed as shown to two rods whose on the same level. O Determi aluminu level.

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter6: Vertical Stress Increase In Soil

Section: Chapter Questions

Problem 6.4P: Refer to Figure P6.4. A strip load of q = 900 lb/ft2 is applied over a width B = 36 ft. Determine...

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Concept explainers

Methods to Determine Vertical Stress

The load applied to the soil is transferred to the underground. The presence of water at soil pores and solid grains above the soil are the primary components that are responsible for the effective load transfer. Due to the load acting, the internal component of the soil or the underground formations undergoes deformations or a tectonic shift. The amount of deformation depends upon the amount of load acting on the soil surface, which indeed, depends on the weight of everything present above the soil. Due to this, the underground soil element develops internal stresses which try to resist the tectonic changes.

Question

Problem 2:
A uniform concrete slab of total weight 100 kN
is to be attached as shown to two rods whose
lower ends are on the same level.
Determine the tensile force of the
aluminum rod so that the slab will remain
level.
Determine the ratio of the area of
aluminum rod to the steel rod so that the
slab will remain level.
Steel
E=200 GPa
L=6m
Aluminum
E=69 GPa
L=4m
Determine the vertical displacement of the
concrete slab if the aluminum rod has a
cross sectional area of 320 mm?, with the
slab remaining at horizontal level.
3 m
6 m

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