how to determine the initial strength of the shear wall, involving preparation of the sample, consisting of interconnected elements of masonry mortar. and charging its compressive force, is characterized by the fact that the sample wallconsisting of two masonry elements (1) connected mortar. (2) placed between two obejmami (3) and is subjected to the load of a compressive force (f) until the destruction of at least three different values of angle (?) between the lines of force (f), and the plane of shear.device to determine the initial strength of the wall shear consists of two obejm, each with obejm consists of three permanently assembled elements (4, 5, 6), the first element (4) in the shape of a cylindrical surface, a second element (5) in the shape of angle and the third element (6) constitutes a plane of limited, on the one hand, the first element (4),on the other hand, the second element (5).
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