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Mortar and Concrete
Typical Composition of injection mortar and concrete
MORTAR
Cement/Sand ratio C : S
Water/Cement ratio W/C
(%)
Cement unitquantity (kg/m3)
flow. (sec.)
note
1: 2.0
55~65
600
18±3
・chemical admixture
・AE agent
・water reducing agent
【Reference】
Cement/Sand ratio C : S
Water/Cement ratio W/C
(%)
unitquantity (kg/m3)
flow. (sec.)
note
cement C
sand S
water W
1: 2.0
60
600
1200
360
18±3
・chemical admixture
・AE agent
・water reducing agent
*This composition is an example, please consider by each site condition.
CONCRETE
max. size of coarse aggregate (mm)
water/ cement ratio W/C (%)
percentage of sand s/a (%)
Cement unit quantity (kg/m3)
range of slump (cm)
note
20~25
55~65
50~60
370
22±3
・chemical admixture
・AE agent
・water reducing agent
【Reference】
max. size of coarse aggregate (mm)
water/ cement ratio W/C (%)
percentage of sand s/a (%)
unit quantity (kg/m3)
range of slump (cm)
note
cement C
sand S
coarse
aggregate G
water W
25
65
50
370
775
785
240
22±3
・chemical admixture
・AE agent
・water reducing agent
*This composition is an example, please consider by each site condition.
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