Historical
CSA A370-2014
A370-14 - Connectors for masonry
Preface
This is the fourth edition of CSA A370, Connectors for masonry. It supersedes the previous editions published in 2004, 1994, and 1984. Significant changes in this edition include the following: a) New requirements on fastener materials (Clause 4.1.2) have been added. b) References to typical designs have been removed as requirements and moved into notes regarding wall anchors with reference to CSA S304 (Clause 7.2). c) Significance of misalignment on ultimate strength has been recognized in a new note (Clause 9.2.2.3, Note 2). d) Application of free play to typical load-deformation curve has been demonstrated by added content to Figure 9.1. e) Editorial changes in the terminology within this Standard address concerns that previous use of embedment may be interpreted to require the suspension of the connector within the mortar between masonry units (i.e., mortar placed below and above the connector), whereas standard construction practice often results in the connector being placed directly on the masonry unit and then covered in mortar. f) Harmonization of terminology related to the use of Tie and Connector throughout standard. g) New requirements for fasteners (Clause 10.7) have been added. h) Updated Figures in the Annexes. i) Expanded guidance has been added on Connectors in Annex A in regards to the Standard now recognizing connectors and prescriptive connectors. j) Additional information has been provided in Annex C on contact between different metals (Clause C.6). k) Annex E has been updated for current Annual driving rain indices. This Standard should be read in conjunction with CSA S304, Design of masonry structures, and CSA A371, Masonry construction for buildings.Scope
Notes: 1) For requirements pertaining to loads acting on connectors, see CSA S304. 2) For requirements pertaining to installation of masonry connectors, see CSA A371. 1.1 This Standard specifies minimum requirements for designing the following masonry connectors: a) ties used to- i) interconnect the wythes of a masonry wall; or ii) attach masonry veneer to its structural backing;
- i) connect masonry walls to intersecting walls or to other structural members; ii) attach stone to its structural backing; or iii) interconnect stone;
- i) precast concrete; and ii) prefabricated masonry panels; and
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