This download link is referred from the post: PTU B.Tech 7th Semester Last 10 Years Previous Question Papers|| Punjab Technical University 2011-2021
Roll No.
Total No. of Pages : 02
Total No. of Questions : 18
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B.Tech (Civil Engineering) (2012 to 2017) (Sem.-7)
REINFORCED EARTH AND GEOTEXTILES
Subject Code : BTCE-813
M.Code: 71872
Time: 3 Hrs.
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Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
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SECTION-A
Write briefly :
- Explain the various functions performed by geosynthetics.
- List the various modes of failure for the reinforced soil bed.
- Define geogrids and its types.
- What are the various properties of geogrids?
- What are natural geosynthetics?
- What are the advantages of reinforced earth?
- What are the different methods of soil stabilization?
- What are the various factors that are considered while designing of pavements by geo composites?
- What are the functions of geotextiles?
- How geogrids helps to control soil erosion?
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SECTION-B
- Write a note on the Biological, Chemical and Weathering resistance of Tensar and Netlon geogrid.
- a) Explain the Geogrid- soil interaction.
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b) What are the various factors which influence testing? Explain - What are natural geosynthetics? Explain the typical situations where natural geosynthetics can be employed.
- Explain in detail the methods of designing with geotextiles. Also list out the various properties of geotextiles.
- External stability analysis of reinforced soil retaining walls seismic loads.
SECTION-C
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- 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?
- Describe the design procedure for determination and estimation of Ps (load carried by the soil) and Pr (load carried by the reinforcement).
- a) Write notes on :
- Slit films
- Yarn
- Directionally Structured filament fabrics
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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 download link is referred from the post: PTU B.Tech 7th Semester Last 10 Years Previous Question Papers|| Punjab Technical University 2011-2021