Saturday, August 31, 2013

CIRCULAR

Dept. of Civil Engg. is planning for a educational trip to sri ram sagar dam(on 7th September) for IV th B.tech students.all students who are interested to come to the trip give your names to G. Srinivas sir by Monday 11am without fail.

Tuesday, August 20, 2013

ASSIGNMENT FOR GIS & RS (LAST DATE FOR SUBMISSION-23/08/2013)



1)  Write down the length of the following regions of electromagnetic spectrum ?
        a) Visible   b) Infrared   c) Refracted IR band   d) Thermal IR


2)  a) List out any eight elements of visual image interpretation ?
   
     b) Write detailed notes on
          i) Geo stationary satellites
         ii) Sem synchronous satellites


3)   What do mean by parallax? Illustrate the nature on over lapping vertical
       photographs taken over varied terrain?


4)  Define photogrametry? Write about the evaluation of photogrametry and
       importance of photogrametry in real world phenomenon?

Monday, August 19, 2013

III/IV B.Tech GTE - I Assignment No. 1

MAHATMA GANDHI INSTITUTE OF TECHNOLOGY
Gandipet, Hyderabad 500 075
DEPARTMENT OF CIVIL ENGINEERING
Geotechnical Engineering – I
Assignment – I
Date of Issue: 19th Aug, 2013
Last Date for Submission: 26st Aug, 2013
Answer any Five Questions with 5,6 & 7 as compulsory

1.
Derive the following relations from fundamentals.
(a) e in terms of w,G & S
(b) Expression for bulk unit weight
(c) e in terms of n    
2. 
Describe the Pycnometer method of determination of water content and for what type of soils you recommend this method.
3.
Write a brief note the following clay minerals.
(a)  Montmorillite (b) Illite (c) Kaolinite
4.
(a)  Why do the clay particles possess a charge on them?
(b)  Write a brief note on Electric Double layer.
5.
A partially saturated soil sample has a natural moisture content of 15% and bulk unit weight of 1.9gm/cc. The specific gravity of soil solids is 2.7. Determine the degree of saturation, and void ratio. What will be unit weight of soil sample on saturation.  
6.
Determine the unit weights of soil in the loosest and densest states of 2mm dia sphere which have a specific gravity of 2.7.
7.
A soil has a bulk unit weight of 18kN/m3 and a water content of 5%. Calculate the amount of water in litres required to be added to 1m3 of soil to raise the water content to 15%. Assume the void ratio to be same. Take Gs = 2.6  
8.
     Explain the method of finding the coefficient of permeability by constant head permeability test. Discuss the factors influencing the Permeability of soils.
9.
Explain the procedure involved in classification of soil as per Indian Soil Classification system.
10.
Write a note on
(a)     Terzaghi’s Effective Stress Principle.
(b)     Quick Sand
(c)     Downward Seepage and Hydrostatic Condition in soils.

V.Venkat Ramayya, Faculty of CIVIL












Sunday, August 18, 2013

3/4 CT ASSIGNMENT (Last Date of Submission - 24-08-2013)

       1. Define workability of fresh concrete. Explain the factors affecting workability of concrete

       2.  Explain how aggregate impact value is determined and its range

       3. Explain the classification of mineral admixtures

       4. Discuss the structure of hydrated cement


Thursday, August 15, 2013

ASSIGNMENT FOR AFE



ASSIGNMENT – ESTIMATION & COSTING (LAST DATE - 22.08.2013)



      1.   Explain the different methods of building estimates

      
      2. Explain the following general items of work involved in the estimation for a building along with the process of calculations.  
(a) Earthwork in excavation.
(b) Earthwork in filling.  
(c) Brick at soling. 
(d) Cement concrete in foundation. 
(e) Masonry work 
(f) Damp proof course.  
(g) White washing
(h) Painting


3.  Prepare a detailed estimate for earthwork for a portion of a road from the following data

    Distance in m             RL of ground               RL of the formation
         0                                  73.12                           72.42
        60                                72.44
        120                              71.86
        180                              72.08
        240                              71.30                           Downward gradient 0.8% up to 240 m
        300                              70.80
        360                              70.54
        420                              70.82              
        480                              70.96
        540                              71.50                           Upward gradient 0.5%

Proposed Formation width of road is 10m, side slopes are 2:1 in banking and 1 1/2 :1 in cutting. Draw L-section and cross sections.


4. Prepare Rate analysis for the following items
       (a)  I-class Brick work in super structure with 20cm x 10cm x 10cm with cement sand mortar 1:6
       (b) Cement concrete 1:2:4 with Stone Ballast


5. Estimate the quantities of the following items of a residential building from the drawing given below by Long wall Short wall method
            (i) Earthwork in excavation in foundation
            (ii) Lime Concrete in foundation
            (iii) First class brickwork in cement sand mortar in foundation and plinth
            (iv) 2.5cm damp proof course
            (v) First class brick work in lime mortar in super structure