140211 Construction Materials Option 1

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Uploaded: 09.03.2013
Content: 30309171704957.rar (312,74 kB)
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Description

1. Structural building materials. Definition, general information, application
2. cement. Determination, raw materials, production technology and application
3. The regeneration of asphalt concrete. Brief description
4. Welding. Definition, classification, types of welds. Quality control of welding
5. kilns stone materials. General classification, properties and application
6. Physical and chemical bases of reception of materials from glass melts
7. Method of preparation of samples of asphalt mixture for subsequent determination of properties
Task
The laboratory was part of cement-concrete mixtures: cement - 305.5 kg; sand - 519 kg; macadam - 1405 kg; water - 165 liters. Bulk density is: cement - 1.1 g / cm3, sand - 1.55 g / cm3, gravel - 1.42 g / cm3. In this humidity: sand Wpes = 4.5%, gravel - Wsch = 1.5%. Calculate the composition of cement-concrete mixtures production with the volume mixer Vb = 1500 l

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