type-b-wall-tie
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type B wall tie
HB50 standard ties (NZ)
<non-flexible veneer> tie, including its fixings or anchorages, used to transfer face loads between a masonry veneer and a structural backing, while being being capable of accommodating differential in-plane horizontal and vertical movements between the attached elements, during which time the cavity width may vary
<non-flexible veneer> tie, including its fixings or anchorages, used to transfer face loads between a masonry veneer and a structural backing, while being being capable of accommodating differential in-plane horizontal and vertical movements between the attached elements, during which time the cavity width may vary
Type B non-flexible veneer ties may transmit shear forces across the cavity from the seismic-resisting structure to the veneer when it is subjected to in-plane earthquake effects with relative movements of up to ± 20 mm.
HB50
tie required to have specific seismic design characteristics
Type B wall ties are divided into three classes: flexible veneer tie; non-flexible veneer tie; remedial tie.
HB50
<flexible veneer> tie that, together with its fixings and anchorages, is capable of transmitting face loads between a masonry veneer and its structural wall, while not transferring shear or bending loads across the cavity when accommodating differential in-plane horizontal and vertical deflections between the attached elements
<remedial> tie with specific seismic design characteristics manufactured for installation after a masonry leaf has been erected
<remedial> tie with specific seismic design characteristics manufactured for installation after a masonry leaf has been erected
Remedial ties are usually used to replace defective ties or where ties have been omitted.