Topic :

Bacterial Concrete

(Improving Durability of Concrete Structure)Prepared by :

Awaluqim bin Abdullah

Muhammad Haziq bin Shuib

Muhammad Haniff bin Asmuni

Mohammad Syazwan bin Sulaiman

Ahmad Fariezat Ikhwan bin Abdul Raof

RESEARCH METHODOLOGY

PROBLEMS

On 9 August 2004, Middle Ring Road 2 (MRR2) had been closed due to the cracking of concrete

CracksWater and chemicals

Corrosion+

Deterioration

POPOUT

SPALLING

SURFACE SCALING

INTRODUCTION

Selecting bacteria

• ability to tolerate in alkaline condition for long period

Compressive Strength Test

• compressive strength test of cement mortar, Bacillus sp.

Water Absorption

Test

• determine the increase in resistance towards water penetration

METHODOLOGY

EXPECTED OUTCOME

Compressive Strength test

Water Absorption test

Seif Healling

BENEFIT USED BACTERIAL

Environmental

Economical