Om Materialprøvningens Udvikling i Norden
Og om Statsprøveanstaltens Virksomhed
År: 1909
Sted: Kjøbenhavn
Sider: 185
UDK: 6201(09)
Emne: Trykt hos J. Jørgensen & Co. (M. A. Hannover)
On the development of testing of materials in the north and on the work of the danish states testing laboratory in Copenhagen (english translation)
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180
as shown by the director of the Testing Laboratory in the same
Review 1901, Nr. 11.
The Laboratory persists therefore in considering the test ap-
Tabel XI. Test of Resistance to Wear of Floor-Coating Material.
Loss of weight in per cent of the
weight of the test piece referred
to a thickness of 4 mm
Linoleum,
number of
sorts
Jointless floor
coating mas-
ses, number
of sorts
up to 0,10....................
from 0,11—0,20....................
0,21—0,30....................
. 0,31—0,40....................
0,41—0,50....................
0,51—0,60....................
- 0,61—0,70....................
0,71—0,80....................
0,81—0,90....................
0,91—1,00....................
1,01—1,25....................
1,26—1,50 ....................
1,51—1,75....................
1,76—2,00 ....................
over 2,01 ..........................
10
30
24
6
9
2
1
3
1
3
1
3
2
1
4
3
1
2
2
Number of Sorts, altogether . .
propriate. If the linoleum is too fresh and therefore too soft, the
test will show bad results, and, the medium being fragile and
bad, hard linoleum will also yield bad results. The method has,
indeed, been adopted in some other places and is, for instance,
followed at the Testing Laboratory of Gothenburg1) and at the
Hungarian State-Railways.
In the Table XI above is given an account of all the results
come to by the Laboratory until the 1st of January 1909.
____________
x) In Gothenburg the method has been found more appropriate than the
application of -»Bauschinger’s« machine, see »Baumaterialienkunde« 1904,
Nr. 23.