Download PTU (Punjab Technical University) B.Tech (Bachelor of Technology) / BE (Bachelor of Engineering) 2021 January CE 7th Sem 71872 Reinforced Earth And Geotextiles Previous Question Paper
Roll No.
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech (Civil Engineering) (2012 to 2017) (Sem.?7)
REINFORCED EARTH AND GEOTEXTILES
Subject Code : BTCE-813
M.Code : 71872
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Write briefly :
1.
Explain the various functions performed by geosynthetics.
2.
List the various modes of failure for the reinforced soil bed.
3.
Define geogrids and its types.
4.
What are the various properties of geogrids?
5.
What are natural geosynthetics?
6.
What are the advantages of reinforced earth?
7.
What are the different methods of soil stabilization?
8.
What are the various factors that are considered while designing of pavements by geo
composites?
9.
What are the functions of geotextiles?
10. How geogrids helps to control soil erosion?
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SECTION-B
11. Write a note on the Biological, Chemical and Weathering resistance of Tensar and Netlon
geogrid.
12. a) Explain the Geogrid- soil interaction.
b) What are the various factors which influence testing? Explain
13. What are natural geosynthetics? Explain the typical situations where natural geosynthetics
can be employed.
14. Explain in detail the methods of designing with geotextiles. Also list out the various
properties of geotextiles.
15. External stability analysis of reinforced soil retaining walls seismic loads.
SECTION-C
16. List (i) Physical-properties (ii) Mechanical properties (iii) Hydraulic properties
(iv) Constructability/ survivability properties and (v) Durability properties with respect to
geosynthetics. What is the significance of thickness as a property?
17. Describe the design procedure for determination and estimation of Ps (load carried by the
soil) and Pr (load carried by the reinforcement).
18. a) Write notes on :
(a) Slit films
(b) Yarn
(c) Directionally Structured filament fabrics
b) Give comparison between Staple fibre and Spun laid Non-wovens
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 26 June 2021