What is raft foundation, Mechanical Engineering

Assignment Help:

What is raft foundation?

A raft or mat can be considered as a combined footing which covers the entire building area and supports all columns and walls. Such a foundation may consist of a slab of uniform thickness or a slab stiffened by beams either above or below the slab as demonstrated in figure as:

1956_RAFT FOUNDATION.png

RAFT FOUNDATION

When the allowable soil pressure is low or the building loads are heavy, the use of individual spread footings would cover a major portion of the plan area. When the total area of the footings covers more than fifty percent of the area, it is more economical to use a raft for the entire structure.


Related Discussions:- What is raft foundation

#thermodynamics., #A spherical aluminum vessel has an inside diameter of 30...

#A spherical aluminum vessel has an inside diameter of 30 cm and contains water at 80 ?C, with a quality of 1%. The vessel is then heated until the water inside is saturated vapor.

Wire-frame entities-representing ellipse and parabolas, wire-frame entities...

wire-frame entities-representing ellipse and parabolas

Explain ericsson cycle, (a) Write short note on following : (i) Ericsson...

(a) Write short note on following : (i) Ericsson cycle (ii) Diesel cycle (iii) Stirling cycle (b) The swept volume of a diesel cycle engine working on dual cycle is 0.0

Nominal strain and true strain, Nominal Strain and True Strain: Nomina...

Nominal Strain and True Strain: Nominal Strain is ratio of change in length per initial length.  Nominal strain =  Change in length / Initial length = Δ L /   L

#title VECTORS, The 70m microwave transmission tower is steadied by three g...

The 70m microwave transmission tower is steadied by three guys cable. Cable AB carries a tension of 12kN. Express the corresponding force on point A as a vector

Metal cutting, what is tangential force in metal cutting

what is tangential force in metal cutting

Process to establish standard time for completion of a job, a) What is meth...

a) What is method study. Define various stages of method study. b) What are main techniques used to study path of movement in method study. a) Discuss the process to establis

Scope of materials for sulfuric acid service, Q. Scope of Materials for sul...

Q. Scope of Materials for sulfuric acid service? This Engineering Practice presents materials of construction commonly used in Sulfuric Acid service. The corrosiveness of sulfu

Principals, do you know the grade to the answers of the questions in the pr...

do you know the grade to the answers of the questions in the pre paid solutions..?? and what if the answers are wrong..?? as i need all working out shown

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