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EnglishAn experimental procedure for tests on specimens made of several materials is performed to detect the mechanical properties depending from temperature. About 200 cylindrical specimens (diameter D=100 mm, height H=200 mm) of several materials (clay, lightweight concrete, aerate autoclaved concrete, mortar) are tested from 20°C to 700°C. The free Thermal strain and the decay of axial strength are determined; proposals for the stress-strain curves and the secant modulus of elasticity in function of temperature are illustrated. The data base from tests are able to calculate the collapse domains (bending moment - axial force - time of exposure to nominal fire) which represent a simple model for the assessment of masonry panel sections subjected to fire action.
| Titolo: | EXPERIENCES AND ANALYSIS ON MASONRY MATERIALS SUBJECTED TO HIGH-TEMPERATURES |
| Autori interni: | |
| Anno del prodotto: | 2012 |
| Abstract: | An experimental procedure for tests on specimens made of several materials is performed to detect the mechanical properties depending from temperature. About 200 cylindrical specimens (diameter D=100 mm, height H=200 mm) of several materials (clay, lightweight concrete, aerate autoclaved concrete, mortar) are tested from 20°C to 700°C. The free Thermal strain and the decay of axial strength are determined; proposals for the stress-strain curves and the secant modulus of elasticity in function of temperature are illustrated. The data base from tests are able to calculate the collapse domains (bending moment - axial force - time of exposure to nominal fire) which represent a simple model for the assessment of masonry panel sections subjected to fire action. |
| Handle: | http://hdl.handle.net/11568/193782 |
| ISBN: | 9788563273093 |
| Appare nelle tipologie: | 4.1 Contributo in Atti di convegno |
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