A) Determine the bearing capacity using the Mayrhoff method B) If the load is vertical. What will be the carrying capacity? C) Assuming a reliability coefficient of 3, what will be the maximum allowable vertical load on the foundation with the dimensions given in the problem?

A) Determine the bearing capacity using the Mayrhoff method B) If the load is vertical. What will be the carrying capacity? C) Assuming a reliability coefficient of 3, what will be the maximum allowable vertical load on the foundation with the dimensions given in the problem?

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter7: Settlement Of Shallow Foundations

Section: Chapter Questions

Problem 7.4P

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Sizing Joists and Rafters

In civil engineering and building construction, joists and rafters are the major components including beams and columns. Almost every structural construction including buildings, skyscrapers, bridges, commercial complexes, and so on makes use of joists and rafters to provide structural integrity to the building. Joists are primarily thick long pieces of metals, concrete, or wood that are used to support the floor and ceiling. On the other hand, rafters form the major component of pitched roofs, which are a series of sloped long pieces extending from a ridged area that makes contact with the plane area of the wall. They account for the load-bearing of the building along with the beams.

Question

A rectangular Foundation 2 meters long and 4 meters wide is located on the
surface of a sandy ground. Concentrated load enters the foundation at an angle
of 75 degrees to the center of the horizon.
A) Determine the bearing capacity using the Mayrhoff method
B) If the load is vertical. What will be the carrying capacity?
C) Assuming a reliability coefficient of 3, what will be the maximum allowable
vertical load on the foundation with the dimensions given in the problem?
Y = 19 kN/m3
P = 38 °

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