CHAPTER 1
INTRODUCTION
1.1 GENERAL
The interest of the construction community in using waste or recycled
materials in concrete is increasing because of the emphasis placed on
sustainable construction, the waste glass from in and around the small shops is
A STUDY ON PERFORMANCE OF CONCRETE BY
PARTIAL REPLACEMENT OF CEMENT AND FINE
AGGREGATE WITH GLASS POWDER AND
CRUSHED COCONUT SHELLS
A MAIN PROJECT
Submitted by
K.P.RAAGARAJA 
421612103073
A.SASIKALA

421612103088
S.SELVAKUMAR
 421612103089
S.SELVAKUMAR
A STUDY ON PERFORMANCE OF CONCRETE BY
PARTIAL REPLACEMENT OF CEMENT AND FINE
AGGREGATE WITH GLASS POWDER AND
COCONUT SHELL POWDER
A MAIN PROJECT
Submitted by
K.P.RAAGARAJA
A.SASIKALA
S.SELVAKUMAR
S.SELVAKUMAR
In partial fulfilment for the award of the deg
CHAPTER 1
INTRODUCTION
1.1 GENETRAL:
Curing of concrete is process of maintaining satisfactory
moisture content in concrete during its early stages in order
to attain the desired properties. However, good curing is
not always practical in many cases. Seve
For the element (13) of the stress
Calculate the length
L13
30
2
40 2
L13
2500
50 ft
Calculate the length
tan 13
13
40
30
40
13 tan 1
30
1
tan (1.333)
53.13o
Calculate the value C
C cos 13
cos 53.13o
0.6
Calculate the value of S
by applyin
Due to a momentary outage of a 4400 V industrial 3 distribution secondary circuit, the
supply voltage drops to zero for T milliseconds. If the supply secondary complies with
CBEMA momentary outage requirements, find T such that the load is not lost
(malfu
Problem 1.2
Radius of each atom is determined by
1
Radius of each atom Nearest atoms at a separation
2
1
Nearest atoms at a separation= 52 52 52 4.330 A
2
1
Radius of each atom 4.330 A 2.165 A
2
Packing fraction is determined by
volume of each atom Numbe
Use the formula and calculate the normalized frequency (V). Here, the normalized
frequency is also called as the Vnumber of the optical fiber.
2 a
V
NA
Where,
a is the radius of the core
is the wavelength
NA is the numerical aperture
2 a
V
NA
50 106
Use Rc= 680 ohms instead of the given value. With reference to the BJT amplifier of Figure 10.25
and to the collector characteristic curves of Figure 10.21, determine (1) the DC operating point
of BJT, (2) the nominal current gain of beta at the operating
Consider a piece of Si doped uniformly with aluminum to a concentration of 4.5 x 1017
atoms/cm3 . The sample has physical dimensions of length (l) = 0.5 cm, width (w) = 0.05 cm,
and thickness (t) = 0.01 cm. The sample has a 9 V battery connected across it
Show the bracket in the figure (1).
Consider the Straight section.
Show the straight section of the bracket shown in the figure below (2).
Calculate the moment in the straight section.
M1 =15lb 3.8in.
= 57 lb.in
Calculate the moment of inertia.
bd 3
12
1.
Solution
2x
2 for 0 x b
fx x b
0 Otherwise
Calculate the theoretical first moment about the origin using the expression.
. (1)
b
1' xf x dx
0
Substitute
2x
f x 2
b
in the above equation
b
1' xf x dx
0
b
2x
x 2 dx
b
0
b
0
2 x2
dx
b2
b
2
x 2 dx
b 2
A.RAJA
Address for communication
S/0 D.AYYANAR,
No.61 Pondy road,
Koliyanur,
Villupuram (Po),
Villupuram  605103.
Phone N0: 8122153895
Email: [email protected]
CAREER OBJECTIVE:
I want to be part of the success in an environment of growth and excel
46532221P
AID: 1825  09/05/2014
From the table of coefficients of friction, select the friction material as woven asbestos
and design for approximately
maximum pressure
, and consider the value
25 psi
pmax
of coefficient of friction
f
as 0.25.
Use t
4653251P
AID: 1825  30/04/2014
Thermosetting plastics
It is defined as the process to transform the material chemically from heating plastic zone
into a rigid structure on cooling. The molecular structure of thermosetting plastic is
interconnected by c
661618MCQ
AID: 1825  24/05/2013
Deformation is a processing operation in which the desired shape to the final product is
given by the application of force.
Extrusion is a deformation process where the desired shape is given to the workpiece by
allowing
661615RQ
AID: 1825  10/05/2013
Basic categories of materials:
1. Metals
2. Ceramics
3. Polymers
1. Metals
It is a solid material or compound which is a good conductor of heat and electricity.
Examples: sodium, potassium, and calcium.
Metals are classif
Page 9:
Example 1
A poison dart frog is 2 centimeters long. This is equal to
2
2
1
meter. Is
is closest to 0, , or
100
100
2
1?
Graph
2
1 50
on a number line. Mark off 10 equal increments from 0 to 1. You know
.
100
2 100
1
2
, or 1 is
closest to on the
Spiral Review
Problem: 48
1
1
kilometers on Friday and 5 kilometers on Saturday. How much distance
4
2
did he travel in all?
Amal travelled 3
1
1
1
2
3
1 2
3 5 3 5 3 5 8 kilometers
4
2
4
4
4
4 4
Problem: 49
Jamals flower garden is in the shape of rectangl
1. Given
sh u 780 106
Relative humidity h = 75%
75
100
= 0.75
=
Compute the modification factor using the formula
For 0.40 h 0.80
sh , RH 1.4 1.02h
Substitute 0.75 for h, we get
sh , RH 1.4 1.02h
1.4 1.02 0.75
0.635
= 0.635
sh,RH
Compute the modi
DNSK1
DNSK2
a 100w laser beam with 2.00mm beam diameter illuminates a surface that absorb 40% and reflects 60%,
find the net force on the surface due to radiation pressure
DNSK3
Although the floor space requirements for much of the service and control equ
10032121
Write an R script that contains statements to accomplish the following numbered items. Use R
comments (a line starting with the # symbol) to clearly indicate for which numbered item the
statements are intended. A template file titled COS206_Writ
#7 * Please show steps* An amplier has an input resistance of 20 , an output resistance of 10 ,
and a shortcircuit current gain of 3000. The signal source has an internal voltage of 100 mV rms and an
internal impedance of 200 . The amplier load is a 5 re
5178217P
Summarize the values of precipitation depths corresponding to different duration of in table (1)
Rank
5 min
1
2
3
4
5
6
7
8
9
10
0.4
0.38
0.37
0.36
0.35
0.33
0.33
0.31
0.3
0.28
Precipitation (in.) of Duration
10 min
15 min
20 min
30 min
0.66
0.