Abstract
In our time, cellular concrete products are becoming increasingly widespread in building practice. The most common types of such concrete are foam and aerated concrete. Foam concrete, as a constructive material, plays a significant role in saving money spent on the operation of buildings. Such savings can be achieved at the expense of a fairly low thermal conductivity of foam concrete. Due to the positive properties of foam concrete, it can be used effectively enough as a material for supporting structures, not only homogeneous, but also in combination with other materials. Therefore, in some cases, it is necessary to connect individual elements of the construction, which is made of different materials, one of which is foam concrete. The connection in this case should be simple to execute and reliable in operation. In the article the variant of connection of a foam concrete linear element with wooden by the simplest means for unification - steel cylindrical nuggets is considered. In the process of the experiment, three types of clogging of nails were adopted in the thickness of foam concrete. In addition, for each type of clamping, five variants of placement of metal cylindrical nuggets by the length of connection of the foam concrete element with wooden ones were used. The diameter of the nuggets was the same. The experiment allowed to trace the nature of the destruction of prototype samples for all variants. Since today there are no methods for calculating such compounds, for the theoretical determination of bearing capacity techniques have been adopted relating to the connection of wooden elements. Some assumptions are made and recommendations are given on the application of each proposed type of joints with cylindrical nuggets of foam concrete and wooden elements.
Highlights
cellular concrete products are becoming increasingly widespread in building practice
plays a significant role in saving money spent on the operation of buildings
Such savings can be achieved at the expense
Summary
: Karin Lundgren, Mario Plos, Kent Gylltoft;
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