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

Transverse wave stretched string, Transverse Wave Stretched String As a...

Transverse Wave Stretched String As a typical example of wave motion in one-dimension, let us consider the transverse harmonic waves on a long, taut string. We assume that in e

What are advantages and limitations of job evaluation, a) Describe producti...

a) Describe productivity. Give comparison of production and productivity. b) Write down characteristics of batch production. c) What are advantages and limitations of job eva

Embrittlement-metallurgical defects, Embrittlement For use, at high str...

Embrittlement For use, at high strength, coupled with good notch toughness, all weld structure must  be Tempered low carbon martensite. Carbon and alloy steels having more than

Access considerations for plant design, Q. Access Considerations for plant ...

Q. Access Considerations for plant design? Plant facilities shall be provided with acceptable access and egress for personnel, materials, and equipment by using access ways, ro

Classification based on type of welding, Classification Based on Type of We...

Classification Based on Type of Welding  Fusion welding : These processes involve fusion of the base metal to complete the weld. Fusion welds generally  do  not  require  thea

Determine the stability of the closed loop system, Determine the stability ...

Determine the stability of the closed loop system whose open loop transfer function is Use the Nyquist criterion

Thermodynamics, show that work is a path function and not a point funtion ?...

show that work is a path function and not a point funtion ?

Design the nozzle connections, Q. Design the Nozzle Connections ? Nozzl...

Q. Design the Nozzle Connections ? Nozzle design shall be such that if the actual combined thickness of the shell or head and reinforcing pad exceeds 50 mm, either integrally r

IDE101, Polygon law of forces

Polygon law of forces

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