An office building is to be supported on 150 ft : 300 ft mat foundation. The sum of the columnloads plus the weight of the mat will be 90,000 k. According to a settlement analysis conductedusing the techniques described in Chapter 8, the total settlement will be 1.8 in. The groundwatertable is at a depth of 10 ft below the bottom of the mat. Using the pseudo-coupled method,divide the mat into zones and composite each zone. Then indicate the high-end and low-endvalves of ks that should be used in the analysis.

Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN:9781305081550
Author:Braja M. Das
Publisher:Braja M. Das
Chapter8: Mat Foundations
Section: Chapter Questions
Problem 8.7P
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An office building is to be supported on 150 ft : 300 ft mat foundation. The sum of the column
loads plus the weight of the mat will be 90,000 k. According to a settlement analysis conducted
using the techniques described in Chapter 8, the total settlement will be 1.8 in. The groundwater
table is at a depth of 10 ft below the bottom of the mat. Using the pseudo-coupled method,
divide the mat into zones and composite each zone. Then indicate the high-end and low-end
valves of ks that should be used in the analysis.

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