Boobalan Review i Ppt(08.02.2013)

7/29/2019 Boobalan Review i Ppt(08.02.2013)

1/20

ST 9132 PROECT WORK PHASE II

REVIEW I

BY

BOOBALAN A (2011208031)


2/20

1 ENGINEERING PROPERTIES OF FLY ASH

DATA .

2 RELAVANT FLY ASH LITERATURE

COLLECTION

3 CONFORMING BEHAVIOURAL OF

FLY ASH DETAILS.


3/20

4 PRELIMINARY TEST

5

CUBE CASTING(M25 GRADE-10%,20%,40%,50%-FLY ASH REPLACEMENT)

6

STRENGTH TEST (COMPRESSIVE STRENGTH,FLEXURAL

STRENGTH TEST,SPILIT TENSILE STRENGTHTEST)


4/20

7Durability tests

8Comparison of results

9Conclusion


5/20

REQUIRED DATA:M-25 Grade concrete-10% fly ash

replacement.

Uncrushed aggregates (20mm)

F.A. shows that 40% passes through

600micron sieve.

Slump ranges taken as 30-60mm.Concrete to be prepared at moderate

condition.

Reinforcement cover adopted as 25mm.


6/20

Quantities IN kg/m3

Cement =267.3

Fly ash =29.7

F.A =750.234

C.A =1224.066

water =148.5


7/20

S.NO NO OF DAYS NO OF SAMPLES REQUIRED FORTESTING

CUBE CYLINDER BEAM

1 7 15 15 15

2 28 15 15 15

3 56 15 15 15


8/20

Compressive Strength To determine the compressive

strength of concrete specimens as perIS:516 - 1959. Tests should be done atrecognized ages of the test specimens,

usually being 7 and 28 days. The ages

should be calculated from the time of theaddition of water to the drying of

ingredients


9/20


10/20


11/20


12/20


13/20


14/20


15/20


16/20

S.No Wt of cube specimensat 7 days (kg)

Load applied on cubespecimens at 7 days

(KN)

1 8.10 255

2 8.12 296

3 8.20 310


17/20

S.No No of days Avg compressive strength ( N/mm2)

10% 20% 40% 50%

1 7 13.05 13.57 13.30 13.13

2 28 26.90 26.51 25.20 26.12


18/20

1.A. Fernandez-Jimenez I. Garca-Lodeiro A. Palomo (2006),

Eduardo Torroja Institute (CSIC), Serrano Galvache St., 28080

Madrid, Spain- Durability of alkali-activated fly ash cementitious

materials, P.No (30553065).

2.C.S. Poon, L. Lam, Y.L. Wong (1999), Department of Civil and

Structural Engineering, The Hong Kong Polytechnic University,

Hung Him, Hong Kong, People's Republic of China - A study on

high strength concrete prepared with large volumes of low calciumfly ash, P. No(447-455).


19/20

C.Y. Lee, H.K. Lee, K.M. Lee (2002), Conclinic Co. Ltd.,

Seoul, South Korea ,Department of Civil and Environmental

Engineering, Sungkyunkwan University- Strength and micro

structural characteristics of chemically activated fly ashcement systems, P.No(425431).

4. Bashar S. Mohammed* and Ong Chuan Fang

(2010),Department of Civil Engineering, College ofEngineering, University Malaysia.-Assessing the properties

of freshly mixed concrete containing paper-mill residuals and

class F fly ash , Vol. 2(2), P.no (17-26).


20/20

THANK YOU

Documents

Boobalan Review i Ppt(08.02.2013)