It is requested to design a concrete that will be exposed to the chemical effects of groundwater, the chemical analysis of which is given below. (n= last digit of student's number) Calculate the amount of materials required for 1 m³ of concrete, assuming that the air ve is 1%, by choosing the relevant impact class given in TS EN 206. 2.5% super plasticizer is used to provide the desired consistency. When the chemical additive is used at a rate of 2.5%, it will reduce the necessary water

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ISBN:9781337630931
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N=2

It is requested to design a concrete that will be exposed to the chemical effects of
groundwater, the chemical analysis of which is given below. (n= last digit of student's ID
number)
Calculate the amount of materials required for 1 m³ of concrete, assuming that the air void
is 1%, by choosing the relevant impact class given in TS EN 206.
2.5% super plasticizer is used to provide the desired consistency.
When the chemical additive is used at a rate of 2.5%, it will reduce the
amount by 15%.
(You can use the new mix granulometry in question 3 if necessary,
necessary tables are available from external sources.)
necessary
water
Transcribed Image Text:It is requested to design a concrete that will be exposed to the chemical effects of groundwater, the chemical analysis of which is given below. (n= last digit of student's ID number) Calculate the amount of materials required for 1 m³ of concrete, assuming that the air void is 1%, by choosing the relevant impact class given in TS EN 206. 2.5% super plasticizer is used to provide the desired consistency. When the chemical additive is used at a rate of 2.5%, it will reduce the amount by 15%. (You can use the new mix granulometry in question 3 if necessary, necessary tables are available from external sources.) necessary water
Groundwater components
Concentrations (mg/l)
SO,2-
200+(500)x(n)
CO2
NH4*
Mg²+
58
30
380
The physical properties and mixing ratios of the aggregates to be used in the mixture are
given below.
Mataerial
Mix Ratios (%)
Y (kg/dm3)
2,65
2,70
2,75
3,15
1,05
Humidity
%2,5
Coarse Aggregate
Medium Aggregate
Finee Aggregate
(40+n)
(35-0.5n)
(35-0.5n)
SSD
SSD
Cement
Water Reducer
Kimyasal özellik
Yeraltı suyu
so? mg/L
Referans deney metodu
ХА 1
XA 2
ХА З
> 200 ve
S 600
> 3000 ve
S 6000
> 100 den
doygun hale
gelinceye kadar
> 60 ve
s 100
> 3000 den
doygun hale
gelinceye kadar
> 600 ve
s 3000
EN 196-2
co, mg/L (zararlı
etkiye sahip)
> 40 ve
S 100
prEN 13577: 1999
2 15 ve s 40
NH mg/L
ISO 7150-1 veya
ISO 7150-2
> 30 ve
S 60
2 15 ve s 30
Mg mg/L
2 300 ve
s 1000
> 1000 ve
s 3000
ISO 7980
XA1
ХА2
ХАЗ
En
büyük
su/çimento
0,55
0,50
0,45
oranı
En
küçük
dayanım
sınıfı
C30/37 C30/37 C35/45
En
az
çimento
içeriği(ka/m
En az hava
içeriği (%)
300
320
360
Transcribed Image Text:Groundwater components Concentrations (mg/l) SO,2- 200+(500)x(n) CO2 NH4* Mg²+ 58 30 380 The physical properties and mixing ratios of the aggregates to be used in the mixture are given below. Mataerial Mix Ratios (%) Y (kg/dm3) 2,65 2,70 2,75 3,15 1,05 Humidity %2,5 Coarse Aggregate Medium Aggregate Finee Aggregate (40+n) (35-0.5n) (35-0.5n) SSD SSD Cement Water Reducer Kimyasal özellik Yeraltı suyu so? mg/L Referans deney metodu ХА 1 XA 2 ХА З > 200 ve S 600 > 3000 ve S 6000 > 100 den doygun hale gelinceye kadar > 60 ve s 100 > 3000 den doygun hale gelinceye kadar > 600 ve s 3000 EN 196-2 co, mg/L (zararlı etkiye sahip) > 40 ve S 100 prEN 13577: 1999 2 15 ve s 40 NH mg/L ISO 7150-1 veya ISO 7150-2 > 30 ve S 60 2 15 ve s 30 Mg mg/L 2 300 ve s 1000 > 1000 ve s 3000 ISO 7980 XA1 ХА2 ХАЗ En büyük su/çimento 0,55 0,50 0,45 oranı En küçük dayanım sınıfı C30/37 C30/37 C35/45 En az çimento içeriği(ka/m En az hava içeriği (%) 300 320 360
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