## Wednesday, December 19, 2012

### FOUNDATION ENGINEERING ANNA UNIVERSITY APRIL / MAY 2007 question paper

ANNA UNIVERSITY :: CHENNAI – 600 025
B.E. / B.Tech. DEGREE EXAMINATIONS, APRIL / MAY 2007
Sixth Semester
Civil Engineering
CE340 – FOUNDATION ENGINEERING
(Model Question Paper)
Time : Three hours Maximum : 100 Marks
Part A (10 x 2 = 20 marks)

1. Give the important parameter to fix the significant depth of exploration.
2. Mention the factors that affect the sample disturbance.
3. What are the different types of shear failures? Draw the sketches.
4. Mention the components of settlement of foundation.
5. Differentiate between cantilever footing and raft foundation.
6. List out the methods for design of mat foundation.
7. Under what circumstances the negative skin friction will develop.
8. List out the necessities of pile foundation.
9. State the assumptions made in Rankine’s earth pressure theory.
10. What is the critical height of unsupported vertical cut in case of cohesive soils?

Part B (5 x 16 = 80)

11. Design a strap footing for the two columns. The allowable soil pressure is 100 kN/m2. Load on left column = 600 kN. Load on right column = 1000 kN, size of left column = 0.3m x 0.3m, size of right column = 0.4m x 0.4m, centre to centre distance between columns = 6m. Eccentricity of footing of left column = 1m. Take the allowable soil pressure as 100 kN/m2. Draw BMD and SFD. Find the thickness of footings for the design B.M. (16)

12. (a) Explain the factors governing the spacing, number and depth of bore holes for a
multi-storey building project. (4)
(b) Explain the SPT test with neat sketch and give the correlation between SPT – N values and relative density. (8)

(c) What are the corrections required for SPT-N value? (4)

(OR)

(a) What are the commonly used methods of soil exploration? Explain any one method in detail. (8)
(b) What are the basic requirements of good foundation? (4)
(c) What are the necessary data required for plotting the bore log for any soil investigation project. (4)

13. Calculate the ultimate bearing capacity per unit area of (i) Strip footing 2.5m wide (ii) Square footing 4.75 x 4.75 m (iii) Circular footing 5.25m diameter. The footing is supported on a soil for which the following data is available. g = 19.5 kN/m3 ; C=17.0 kN/m2, j=200, depth=1.75 m.
Use Terzhaghi’s equation. Take Nc = 17.7, Nq = 7.5, and Nr = 5.0. (16)

(OR)

A building 10m x 20m in plan is built on a raft foundation resting on the surface. The soil profile consists of 4m dense sand over 3m thick silty clay layer resting on rock. The water table is at 2m below ground level. Consolidation test conducted on UDS of clay layer gave the results as follows.
Initial and final void ratios and corresponding stresses are,
e0 = 1.1; s0’ = 2000 kN/m2; ef = 1.0; sf’ = 1000 kN/m2; (16)

14. (a) Classify the pile based on functions, mode of transfer of load and method of
installation with neat sketches. (8)
(b) Explain how do you determine pile load capacity from pile load test. (8)

(OR)

A pile group consists of 9 piles of 30 cm diameter and 10 m length driven in clay. Unconfined compressive strength of soil is 200 kN/m2 and insitu density of soil is 20 kN/m3. Determine the safe load for the pile group. a = 0.6 and F.S. = 3. (16)

15. Determine the active pressure on the retaining wall shown in figure by Culmann’s method. (16)

### Anna University Results 1st, 3rd, 5th, 7th Sem Exam - Anna University Result 2013

Anna University Results 2013
Information on Nov/Dec/Jan Exam Results 2012
(Common to All Anna Univ Affiliated Colleges)

Anna University Examination Results for 1st/3rd/5th/7th Semester is yet to announce in the month of March 2013, Though Publication of Results is getting delayed due to some official undisclosed reason

Anna Univ Controller of Examination Has to Decide on Publication of ODD Sem Results, Examination was conducted separately For 1st semester, results for first semester will be announced along with higher semester

Fact is that Students Have Done with Their Exams Long Before (say 2.5 Months) still they are unable to check out the results for Nov/Dec and January 2012-2013 Session, Once results has been announced you can able to Check the below

Anna University 1st Sem Results
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We are pioneer In Giving Information on Anna University Updates, We are the creator of everything regarding the same, “many sites” – just following us thanks for them

May/June 2013 Examination Schedule is getting ready expected to be announced very soon, “results Should Be Declared before the Announcement of April/May/June 2013 Timetable” – This the voice of Every Anna university Over Tamilnadu

Announcing Nov/Dec 2012 results earlier will definitely helps students to plan their preparations for April/May 2013 Examination accordingly, schedule for anna university april/may 2013 will be announced by march 2013 month

Anna University has Introduced a Android “Results App” To facilitate the students to check the results through application Just Download the application Click Here

Results for 1st semester, 3rd Sem, 5th Sem, 7th Sem 2013  Nov/Dec Results

1st Semester Results for Anna University Jan 2013 Exams

Results Update for Nov/Dec 2012 3rd Sem, 5th Sem, 7th Sem

Anna Univ 7th Sem Results Nov/Dec 2012 Exams

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Latest News From Trusted Sources 06/03/2012 At 01.37 Am:
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