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Lead model for scientific researches for testing concrete corrosion are described in the article. Thanks adapted this equipment are possibilities to obtained optional necessary aggressive environment with demand parameters. This be use full for comparison the results of researches obtained by different scientific centers in Poland and in all the world.
Failure rate of software development is great. The study object of software risk is to mitigate the failure rate. Current studies on the software risk are almost about risk assessment and using a fixed risk development model. The article presents a complete development model of software risk. The model aims at facilitating any concrete software development with risk considerations.
Research on bond under cyclic loading is usually performed using specimens of a very short bond length. Results of such a research show very often that bond can be completely destroyed. According to that, most standards demand some extra anchorage length of steel bars. Different results were obtained by the author from experiments on long specimens under eccentric tension. If a concrete member is...
The interfacial zone separating cement paste and aggregate in mortar and concrete is believed to influence many of the properties of these composites. The available experimental evidence, obtained on artificial geometries, indicates that the DC electrical conductivity of the interfacial zone, because of its higher porosity, may be considerably larger than that of the bulk cement paste matrix. This...
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