Suitability of Manufacture Sand (M-Sand) as Fine Aggregate in Mortars and Concrete
4 - Suitability Properties of Aggregate
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Transcript of 4 - Suitability Properties of Aggregate
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Suitability Properties
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Hardness(Resistance to Wear)
LA Abrasion TestSource: http://pavementinteractive.org
CIVL 3137 101
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Hardness(Resistance to Wear)
100%retained
onNo. 12sieve
<100%retained
onNo. 12sieve
Source: http://pavementinteractive.orgCIVL 3137 102
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Hardness(Resistance to Wear)
original final
original
M M% loss 100%
M
(Elapsed Time = 15 minutes)CIVL 3137 103
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Durability(Resistance to Weathering)
Resistance to Wetting/Drying
Resistance to Freezing/Thawing
Resistance to Heating/Cooling
CIVL 3137 105
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Soundness Test(Resistance to Weathering)
MgSO4 Na2SO4
Source: http://pavementinteractive.org
CIVL 3137 106
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Soundness Test(Resistance to Weathering)
Coarse aggregate samplebefore testing
Same sample after 5 cyclesof soaking and drying
Source: http://pavementinteractive.orgCIVL 3137 107
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Soundness Test(Resistance to Weathering)
original final
original
M M% loss 100%
M
(Elapsed Time = 5 days)CIVL 3137 108
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Particle Shape(Flat and Elongated Particles)
Source: http://pavementinteractive.orgCIVL 3137 110
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CIVL 3137 111
Elongated Aggregate
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CIVL 3137 112
Proportional Caliper Device
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Particle Shape(Flat and Elongated Particles)
Source: http://pavementinteractive.orgCIVL 3137 114
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Particle Shape(Coarse Aggregate Angularity)
Source: http://pavementinteractive.org
Fractured Face
Fractured Faces
Fractured Faces
CIVL 3137 115
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Particle Shape(Fine Aggregate Angularity)
Source: http://pavementinteractive.org
voids
cyl
V% Voids 100%
V
sandsand
sand w
mV
RD
voids cyl sandV V V
CIVL 3137 116
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Clay Content(Sand Equivalent Test)
Source: http://pavementinteractive.org Source: http://pavementinteractive.org
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Clay Content(Sand Equivalent Test)
sand
clay
HSE 100%
H
Source: http://pavementinteractive.org
sandHclayH