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RECYCLE CONRETE INTERLOCKING(RecCon)
NO NAME MATRIX NUMBER
1 MOHD FAREZWAN BIN RAKMAT 08DKA12F1148
2 MOHAMMAD RIZUWAN BIN HARUN 08DKA12F1091
3 SUZAIMI BIN DAUD 08DKA12F1106
SUPERVISOR: PN. BIBIE SARA BINTI SALLEH PN.AINUL HAEZAH BTE NORUZMAN
i COMPEX’15 POLIMAS
OBJECTIVE• Produce a model of interlocking concrete using concrete wasted
from the ruins of old buildings
• Make experimental on Reccon ineterlocking use sieve analysis, compression and skid resistance test.
• Compare price of interlocking concrete and reccon interlocking
PROBLEM STATEMENT• Waste concrete not handle efficiently
• Impact on the environment
• Disposal area increased
SCOP• Use for light load
• Example pedestrian and reacreation
• Consist Waste concrete from construction
MATERIALS• CEMENT (PORTLAND)
• SAND
• RECYCLE CONCRETE /AGGREGATES / RECYCLE CONCRETE+ AGGREGATES
• PLASTICIZER
• WATER
• CUBE MOULD
• NEW RecCon MOULD
TRY AND ERROR
METHOD
TARGET : 100 % OF
RECYCLE CONCRETE REPLACING
THE AGGREGATES
,
80% , 60 % AND 50% OF
RECYCLE CONCRETE
ALSO WILL BE USE FOR
TRIAL PROCESS
THE BEST RESULT OBTAIN
FROM THE COMPRESSIVE
STRENGTH WILL BE USE
AS :
NEW MIX FOR RecCon
Interlocking
METHOD
MATERIAL SPECIFICATION FOR TESTING
BASED ON BS ……….., THE REQUIREMENT FOR COMPRESSIVE STRENGTH TEST ARE AS BELOW :
MATERIAL/ PREDICT TIME 7 DAYS 14 DAYS 28 DAYS
MATERIAL RATIO1 : 2 : 4 ( PORTLAND CEMENT : SAND : AGREGATES / RECYCLE
CONCRETE)
W/C RATIO 0.6
RECYCLE CONCRETE(%) 100 80 50 100 80 50 100 80 50
AGGREGATES(%) 0 20 50 0 20 50 0 20 50
SAMPLE = 9 SAMPLE = 9 SAMPLE = 9
TOTAL TOTAL SAMPLES : 27
Get sample from construction site
Breake sample into small size
Sieve analysis
Concrete mixing
Caring process for 7, 14 and 28 days
Test the concrete cube after 7,14 and 28 days
Use best mixture interlocking mould from factory
Reccon interlocking produce
a) Compression test
Saiz ayak Berat
tertahan
(kg)
Jumlah
berat
tertahan
yang
terkumpul
(kg)
Peratus jumlah
berat tertahan
terkumpul (%)
Peratus jumlah
terkumpul
yang terlepas
(%)
40 0 0 0 100
20 0 0 0 100
14 0.28 0.28 (0.28/5*100)=5.6 (100-5.6)=94.4
10 4.12 4.40 (4.4/5*100)=88 (100-88)=12.0
4.75 0.6 5.00 (5/5*100)=100 (100-100)=0
jumlah 5.00 5.00 193.6 0
Finess Modulus =Cumulative Percentage Weight Retained/100
= 193.6/100 =1.936
COMPRESSION TEST• Determine Net ratio and maximum strength
• Prepare cube for 7, 14, and 28 days.
• Each sample consist of 50%, 80% and 100% of waste concrete
Jenis
konkrit
Peratus
batu baur
Umur
Dimensi
kiub
konkrit
(mm)
Beban
mampata
n,
kN
Kekuatan
konkrit
(N/mm²)
Bacaan
purata
Spesifikasi
dibenarkan
Konkrit
batu baur
kitar
semula
50%
7 hari
150
X
150
X
150
243 10.8 10.5
80% 255 11.3 10.5
100% 190 8.4 10.5
50%
14 hari
394 17.5 12.0
80% 405 18.0 12.0
100% 236 10.5 12.0
50%
28 hari
558 24.8 15.0
80% 586 26.0 15.0
100% 276 12.3 15.0
SKID RESISTANCE• Determine resistance on surface of reccon interlocking
• Provide comfortable walkway
• Differentiate resistance on surface between reccon interlocking, slab and Asphalt.
• Condition and type of surface was manipulated.
Types of surface
Temperature
Skid Resistance Coefficient Average of C value
A corrected value of Ct
C value
1 2 3 4 5
Reccon interlocking
29.5 15 18 18 19 14 16.8 15.6
Permukaan reccon yang basah
28.0 22 25 24 19 23 22.6 21.2
Lantai 31.0 42 36 38 36 37 37.8 34.6
Permukaan lantai yang basah
28.0 46 49 40 44 41 44.0 41.3
Jalan tar 37 28 28 29 29 23 27.4 24.0
Permukaan jalan tar yang basah
32
33 26 30 28 29 29.2 26.5
.
Jadual 4.8: Hasil data ujikaji ujian gelinciran yang dilakukan pada permukaan interlocking
Rajah 4.10: perbandingan diantara nilai reccon interlocking dan minimum spesifikasi rintangan gelenceran yang dibenarkan
COST TO PRODUCE INTERLOCK CONCRETE
Bahan Harga per unit
(RM)
Kuantiti yang
diperlukan
Kos (RM)
Simen Portland
biasa
0.4/kg 0.5kg 0.20
Pasir 0.13/kg 1.0kg 0.13
Batu baur
kasar
0.06/kg 0.8kg 0.05
Konkrit
terbuang
Free 3.2kg -
Jumlah 0.38
CONCLUSION• Reduce waste disposal
• reccon interlocking using 80% of waste concrete has fulfill the requirement of standard concrete interlocking.
• Cost to produce a product was reduce and economic compare to market