ISO 22762-3 pdf download – Elastomeric seismic-protectionisolators — Part 3: Applications for buildings 一specifications.
The test piece shall be a full-scale isolator for the type test and a production isolator for the routine test.
c) Test conditions:
The test piece shall be loaded with the design compressive stress a-0.
Cyclic loading to the design shear strain y or to the shear strain which corresponds to y = 100 % shal be carried out for three cycles.
The required properties shall be computed from the third cycle.
If the test is performed at a frequency different from the design isolation frequency, the result shall be corrected to the design frequency or to 0.5 Hz by an appropriate method.
The standard test temperature is 23 ‘C. If the test is caned out at a different temperature, me result shall be corrected to the value of the property et 23 ‘C by an appropriate method.
Double-shear configuration testing (see ISO 22762-1:2005, 6.2.2.2) can be employed with the approval of the structural engineer
6.5.4 TensIle properties
a) Requirements:
The tensile properties shall be within the specified range.
b) Test piece:
The test piece shall be a full-scale isolator or a scale model, as specified in Table 5.
c) Test conditions:
The test conditions shall be as specified i-i ISO 22762-1:2005,6.5.
6.5.3 Dependencies of shear properties
6.5.5.1 Shear strain dependency
a) Requirements:
The change in each property over the range of test shear strains with respect to the value of the property at the design shear strain 70 (or another reference strain. It employed In the shear property test 6.5.3) shall be within the specified range!
b) Test piece:
The test piece shall be a full-scale isolator.
c) Test conditions:
The shear properties shall be determined at strains between 54) . arid the maximtili shear strain at strain intervals of 50 %; the interval between the last two test strains shall be at least 50 %. The change in the property, normalized using the value corresponding to the design strain, shall be determined. Tests can also be performed at 10 % and 20 % shear strain.
Double-shear configuration testing (see ISO 22762-1:2005, 6.2.2.2) can be employed with the approval of the structural engineer.
6.5.52 Compressive stress dependency
a) Requirements:
As the compressive stress varies, the change in the shear properties with respect to the value of the
properly at the design stress o shall be within the specified range.
b) Test piece:
The test piece shall be a full-scale isolator,
C) Test conditions:
The sheer properties shall be determined at 0. 0.5o-. 1,0rr, 15, and the maximan tensile stress, if applicable, and the change in the property, normalized using the value corresponding to the design strain, shall be determined.
Double-shear configuration testing (see ISO 22762-1:2005. 62.2.2) can be employed with the approval of the structural engineer.
6.3.5.3 Frequency dependency
a) Requirements:
The frequency dependency shell be within the specified range.
b) Test piece
The test piece shall be a full-scale isolator, a scale model, a standard test piece or a shear-block test
piece, as specified in Table 5.
C) Test conditions:
The shear strain amplitude shal be .
Other test conditions shall be as specified in ISO 22762-1:2005. 6.3.3.
Double-shear configuration testing (see ISO 22762-1:2005. 6.22.2) can be employed with the approval of the structural engineer.
6.3.5.4 Repeated loading dependency
a) Requirements:
The repeated loading dependency shal be within the specified range.
b) Test piece:
The test piece shall be a full-scale isolator or a scale model, as specified m Table 5.
C) Test conditions:
The shear strain amplitude shall be .
Other test conditions shall be as specified in ISO 22762-1:2005, 6.3.4.
Double-shear configuration testing (see ISO 22762-1:2005. 6.22.2) can be employed with the approval of ma structural engineer.
ISO 22762-3 pdf download – Elastomeric seismic-protectionisolators — Part 3: Applications for buildings 一specifications
