Design square footing with plan area and soil reaction, Mechanical Engineering

Assignment Help:

A square column 410 x 410 mm (along with 4 No. 16 mm bars) carries a dead load of 1020 kN and an imposed load of 410 kN. The foundation soil has a safe bearing capacity of 200 kPa. Fe, 415 is to be used for reinforcement. You have to design a square footing. The column and the foundation are constructed of M20 grade concrete.

Ans:

Plan Area

No details are given regarding the depth of foundation and unit weight of soil. Hence we will assume that the weight of footing and soil above it is 10% of applied load.

Total load = 1020 + 410 + 0.1 x 1430 = 1573 kN

Area required here = 1573/200 = 7.865 m2

Adopt 2800 mm x 2800 mm square footing.

Ultimate Soil Reaction

Factored loads have to be taken

Weight of footing is not to be considered

Design load = 1.5 DL + 1.5 LL = 1.5 x 1430 = 2145 kN

Soil reaction = 2145/(2.80 x 2.80) = 273.6kPa


Related Discussions:- Design square footing with plan area and soil reaction

Explain heat transfer with example, Define the difference modes of Heat Tra...

Define the difference modes of Heat Transfer with examples. State one system where Heat Transfer takes place because of all modes of Heat Transfer.

Centre of gravity and centroid, Q.   Explain the terms centre of gravity an...

Q.   Explain the terms centre of gravity and centroid. Sol. : A point can be found out in a body through which resultant of all such parallel forces acts. This point through

High temperature materials in boilers, Q. High temperature materials in Boi...

Q. High temperature materials in Boilers? A thin refractory layer between the shield and boiler tube is recommended in areas subject to moderate temperatures and levels of corr

Gas flow rates, Gas Flow Rates Shielding gas flow requirements are ba...

Gas Flow Rates Shielding gas flow requirements are based on cup & nozzle size, weld pool size & air movement . Generally, the flow rate increases in proportion to the cross s

Process capability, Process capability Process capability which is a m...

Process capability Process capability which is a measurement with respect to the inherent precision of a manufacturing process has two significant elements, i.e. process facto

Explain milling fixture, Explain Milling Fixture? A milling fixture...

Explain Milling Fixture? A milling fixture is a work holding device which is firmly clamped to the table of milling machine. It holds the work piece in correct position as

Biaxial tension-compression state, Given:  A brittle material has an ulti...

Given:  A brittle material has an ultimate tensile strength of 300 MPa and an ultimate compressive strength of  -1000MPa.  Assume that failure can be represented by the Modified

Heat Pumps, Write an essay on air, water and soil-based heat pumps. Discuss...

Write an essay on air, water and soil-based heat pumps. Discuss the advantages and the disadvantages of each system. For each system identify the conditions under which that system

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd