10
GB
BUILDING SPECIFICATIONS
2
•
Aggregates
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(Art. 37.3.7 EHE-08)
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Fine aggregates will be QUARTZ or a material with at
least the same hardness.
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Los Angeles coefficient for thick aggregates under 30.
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(Table 28.4.1.a. EHE-08)
-
Thick aggregates: maximum % passing through sieve
0.063: 1.5 %.
-
Fine aggregates: maximum % passing through sieve
0.063: 6 %.
•
Additives
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Waterproofing liquid (Sika-1), 3% of cement weight.
-
In case of frost risk (exposure class “F”), minimum
occluded air content 4.5%, as per UNE-EN 12350-7.
•
Waterproofing
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(Art. 37.3.3 EHE-08)
-
Concrete waterproofing must be tested according to
UNE EN 12390-8, since the environmental exposure
class is “E”.
2.6. Drainage gutters
To be made on site using concrete with the same specifications as the slab concrete and fitting a prefabricated
PVC drainage gutter.
The gutters must be covered with perforated steel sheets seated on a 12 mm continuous profile on the gutter
edge.
•
Width
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24 cm minimum.
•
Depth
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19 cm minimum.
•
Slope
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inner slope 1.0 % (minimum)
•
Reinforcement
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See civil works ground plan.
•
Cover
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Perforated steel sheet, thickness = 8 mm
-
Dimensions: depending on gutter type (see details).
Содержание Twash 4TA6000
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Страница 35: ...35 GB CIVIL WORK AND INSTALLATION Note DETAILS 7...
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