G - Physics – 01 – B
Patent
G - Physics
01
B
73/77
G01B 7/16 (2006.01) G01L 1/22 (2006.01)
Patent
CA 1300400
A B S T R A C T The measuring-value sensor according to the present in- vention for the measurement of extensions, for example in concrete or shotcrete (13), consists of a support member (6), having an extension stiffness value that is lower than the extension stiffness value of the mate- rial diameter (12) displaced by the sensor. Transverse elements (1) are located at either end of the support member (6), which induce the impact. By combining suf- ficiently large transverse elements that have a relati- vely high flexural strength and a support member (6) that has the above-mentioned very low extension stiff- ness value it is made sure that extensions in the con- crete (13) are forced completely and without obstruc- tion upon the support member (6) by means of the trans- verse elements (1), so that when measuring the exten- sion of the support member, the extension of the con- crete (13) is measured directly and without any distor- tion. The support member (6) is suitably embodied as a hollow profile, made of aluminum or a plastic material, into which an additional profile (4), e.g. of steel, is slid, in order to obtain sufficient resistance to buckling.
532522
Feder Georg
Golser Johann
Rabensteiner Klaus
Schubert Peter
Feder Georg
Golser Johann
Hackl Erich
Rabensteiner Klaus
Schubert Peter
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