DURABILITY AND DEFORMATION OF STEEL AND BAZALT-PLASTIC ANCHOR JUNCTION
Abstract
In a project-constrructiv work it is accurately impossible to estimate the strenght of basalt-plastic anchors and anchor band in the case of longitudinal and cross-cut stress for the absence of standards and normative documents. Because of the absence of necessary techniques for carring out the tests of metal and basalt-plastic anchor junction the assessment of their bearing capacity is become more complicated. Application of anchor bonds was based on the assessment of their bearing capacity and research in the case of anchor junction
It is allowed to modernize the normative base in this sphere. The purpose of the research in the work of anchor junction in concrete and reinforced concrete was determined by the evaluation of their bearing capacity, while the concrete seemed to be elastic materials in the areas of compression and stretching
Final elements method has been used to carry out the reseach of basalt-plastic and anchors work installd in concrete samples. In the sample model, the non-linear work of concrete was taken during stretching with the of cracks along the entire length of the sample.
In the research it has been taken into account the influence of the final element and the load degree at maximum marginal loads on the spacer anchor. The analysis of experiments showed the following.
The strength of basalt-plastic anchor junction depends on the strength of the sample materials in which the anchors were plugged. The deformation of these junction also depends on the materials. The experiments have also improved that the used techniques allow a to determine the zone of elastic work of the anchor at the detachment and, probably, can be used for all types of anchors (steel, polyamide dowel and chemical)
Keywords: basalt-plastic anchor junction, foam concrete, concrete, loading speed, strength, deformability
References
Література
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