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.

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?

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: 19^th Aug, 2013

Last Date for Submission: 26^st 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

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

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

RESOURCES FOR PD ASSIGNMENT

RESOURCES FOR WSM ASSIGNMENT

WATERSHED MANAGEMENT ASSIGNMENT (LAST DATE FOR SUBMISSION -23/08/2013)

1) discuss the relevance of WSM in Indian scenario.
2) what are the basic data required to characterize a wastershed,also discuss the issues regarding data collection
3)derive the eqn, for flood frequency analysis as per Gumbel's distribution
4)for the analysis of available data on annual flood peaks of a small stream for a period of 35yrs.50yr and 100yr flood have been estimated to be 700 m3/sec & 780 m3/sec using Gumbel's method,estimate the 200yr flood.
5)discuss the effects of erosion on land fertility & land capability.

DMM ASSIGNMENT (LAST DATE FOR SUBMISSION - 16/08/2013)

1) what is environmental hazard and environmental disaster,environmental stress.explain with 3 examples each
2)concepts of all above three.
3)define landscape approach,perception approach,eco system approach
4)write about human ecology,its applications in geographical reasearch

PAVEMENT DESIGN ASSIGNMENT (LAST DATE FOR SUBMISSION - 23/08/2013)

1)      a)explain the concept of ESWL by equal stress concept by boyd and foster,with the help of a neat sketch

b)determine the ESWL of a dual wheel assembly carrying 3450 kg each for pavement thickness 16,18,20 cms.the cente to centre tyre spacing is 28cms and distance between the wall of the tyres is 11cms.

c)brief on the variables considered in the design of pavements

     2)       a)explain VPI components in detail.

                b)discuss the stress influencing factors in flexible and rigid pavements?

3)      a)explain burmeters methods of analyzing  two-layered systems with the assumptions proposed?how to calculate vertical stress coefficient and displacement factor as per two layered theory.

            b)a total load of 89KN was applied on the surface of a two-layer system through a rigid pavement 305mm in diameter. Thickness of the first layer is 203mm and elastic modulus of subgrade is 44.2MPa.both layers are incompressible with a poisson ratio of 0.50.if the deflection of the plate is 2.54mm,determine the elastic modulus of the layer 1.

4)      a)determine I)deflection of the dowel at the face of the joint

II)bearing stress imposed on the concrete at the face of joint

III)distance from the face of the joint to the point where maximum movement occur and

IV)maximum value of bending movement on the dowel at the face of concrete when,diameter of dowel bar is 2.0cms, load -1250kgs, width of joint =1.5cms,elastic modulus of dowel bar is 21.2x10⁵ kg/cm² and the modulus of dowel bar=42.1 kg/cm² /cm.

b)explain the calculation of stress at critical load position on a rigid pavement analysis?also discuss the concept of radius of relative stiffness of slab to subgrade