gidravlik bog’lovchi moddalar
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5-mavzu. gidravlik bog’lovchi moddalar. reja: 1. gidravlik bog’lovchi moddalar.portlandtsement, xomashyosi, ishlabchikarish texnologiyasi. 2. portlandtsementning xossalari, turlari, qotishi 1. gidravlik bog’lovchi moddalar,portlandtsement xomashyosi, ishlab chikarish texnologiyasi. istoriya gidravlicheski vyajushix materialov ranneye ispolzovaniye prirodnix neorganicheskix materialov v stroitelstve vosxodit k neolit period (8000-2500 do n.e.). otkritiye gidravlicheskoye vyajusheye svoystva izvestkovix materialov doljni bit sluchayni. pozje, ix primeneniye stal obobshena, s zamechatelnim kachestvom, v rimskoy imperii. mnogiye iz soorujeniya, gde oni bili ispolzovani rimlyanami do six por ostayutsya v xoroshem sostoyaniye. tem ne meneye, s padeniyem etoy imperii, ispolzovaniye etix svyazuyus...
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