10:46 PM elearn.isu.edu .ill AT&T; BE THOROUGH AND COMPLETE IN YOUR DUE: 16 MARC

Question

10:46 PM elearn.isu.edu .ill AT&T; BE THOROUGH AND COMPLETE IN YOUR DUE: 16 MARCH 2018-NO EXCEPTIONS ). STARTING WITH NUMBER 1, NUMERICALLY LIST ANSWERS THE SEQUENCE OF STEPS IN THE FOUNDATION DESIGN PROCESS FOR A BUILDING STUDY THE DAMAGE OF BUILDINGS IN PROJECT AREA PERFORM LABORATORY TESTS ON SOIL SAMPLES TO DETERMINE ENGINEERING PROPERTIES WRITE THE FOUNDATION REPORT (12) GEOLOGIC/GEOTECHNICAL COLLECT AND ANALYZE THE LITERATURE FOR THE PROJECT AREA GO TO THE PROJECT SITE TO OBSERVE THE SOILS DRILL THE EXPLORATORY BORINGS AND OBTAIN SOIL SAMPLES 2). WHAT TWO ANALYSES MUST BE PERFORMED IN THE DESIGN OF BUILDING FOUNDATIONS CLASSIFICATIUN BEARING CAPACITY (10) CONTENT 3). WHERE WOULD YOU FIND INFORMATION ON THE SETTLEMEN SAND INDEX PROPERTIES OF THE PLAINFIELD SOIL UNIT IN COOK COUNTY ILLINOIS? (10)

Explanation / Answer

Prob.1 In sequence:

1.Collect and analyse the geologic literature for the project site

2.Go to the project site and observe site

3. Study the damaged buildings of the area

3. Drill the exploratory borings and collect samples.

4.Perform the laboratory test on the soil samples and find the engineering properties.

5.Write the foundation report.

Prob.2

Bearing capacity and Settlement are the two analysis required for foundation design.

Prob.6 (a) No, porosity can never be more than 100%

Prob. 6(b) Reason is clear from the definition, porosity is the ratio of the volume of the voids to the total volume of the soil(solids+pores), so porosity will be 100% when solid content is 0%, which would not count as soil. It can be understood in relation with the void ratio as follows.

n = e/(1+e), so no matter what is the value of e (>0), n will always be >=1, so it can never be greater than 100%.

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