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Experimental studies of the pull-out strength of anchor fasteners from masonry
Ist Teil von
AIP Conference Proceedings, 2023, Vol.2936 (1)
Ort / Verlag
Melville: American Institute of Physics
Erscheinungsjahr
2023
Beschreibungen/Notizen
The article discusses the use of anchor fasteners in multilayer enclosing structures. A model has been developed that takes into account the dependence of the influence of the strength parameters of materials of this structure, in particular mortar and stone (brick) on the bearing capacity of anchor devices when they are removed and displaced in the structure. The proposed computing complex also takes into account the resistance of the masonry in its stressed state, characterized by stretching during bending and axial tension (normal adhesion). The guidelines for the design of the rules for the installation of plate anchors in masonry walls are presented. The methodology and results of testing the adhesion strength of periodic profile reinforcement in brickwork have been developed. The tests were carried out on brick samples made of M100-M150 bricks of various types (silicate, ceramic), ceramic stone and cellular concrete blocks. According to the test results, the permissible tangential stresses in the mortar seam of reinforced masonry were determined when the anchor was pulled out. A detailed description of anchors for fixing structures to stone panels and blocks is given. The types of anchor systems and the characteristics of anchors that are necessary for calculating the fastening of structures to masonry are proposed. The available information on anchor bolts for brickwork is analyzed. The analysis of the technical characteristics of various types of anchors and the scope of their application is given. The work of anchors intended for use in solid or hollow masonry, as well as for connecting layers in multilayer walls, is considered.