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Study on Uniaxial Tensile Mechanical Properties of Autoclaved Aerated Concrete Blocks
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Lei LIU1a, 1b, 2, Zhi-hui ZHENG3, Yang-guang SHI1a, 1b
Water Resources and Power | 2023, 41(2) : 173 - 176
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Water Resources and Power | 2023, 41(2): 173-176
• WATER CONSERVANCY AND HYDROPOWER ENGINEERING •
Study on Uniaxial Tensile Mechanical Properties of Autoclaved Aerated Concrete Blocks
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Lei LIU1a, 1b, 2, Zhi-hui ZHENG3, Yang-guang SHI1a, 1b
Affiliations
  • 1a.College of Physical Science and Technology, Yili Normal University, Yining 835000, China
  • 1b.Xinjiang Condensed Matter Phase Transition and Microstructure Laboratory, Yili Normal University, Yining 835000, China
  • 2.School of Civil Engineering, Central South University, Changsha 410075, China
  • 3.School of Civil Engineering and Architecture, Ningbo Technology University, Ningbo 315100, China
Published: 2023-02-25 doi: 10.20040/j.cnki.1000-7709.2023.20221413
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In order to study the uniaxial tensile behavior of autoclaved aerated concrete blocks (AACB) in static state, the uniaxial tensile test of AACB with different densities was carried out. The tensile failure characteristics and failure mechanism of AACB were analyzed. The change rules of its tensile strength and elastic modulus under different densities were discussed, as well as the relevant formulas of the relationship between uniaxial tensile strength and porosity, compressive strength and splitting tensile strength. The experimental results show that the tensile yield strength and elastic modulus of AACB increase with the increase of density, but the tensile yield strain decreases gradually. The macroscopic failure of AACB under uniaxial tension is mainly controlled by the tensile damage mechanism of the material. It shows obvious brittle failure characteristics. Based on the ideal prediction model of porous materials and the regression analysis of test results, the semi-empirical formula and correction coefficient of AACB uniaxial tensile strength and porosity under the test conditions were fitted. The conversion relationship between AACB tensile strength and its compressive strength and splitting tensile strength was proposed.

uniaxial tensile  /  elastic modulus  /  porosity  /  compressive strength  /  splitting tensile strength
Lei LIU, Zhi-hui ZHENG, Yang-guang SHI. Study on Uniaxial Tensile Mechanical Properties of Autoclaved Aerated Concrete Blocks[J]. Water Resources and Power, 2023 , 41 (2) : 173 -176 . DOI: 10.20040/j.cnki.1000-7709.2023.20221413
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20221413
  • Receive Date：2022-07-25
  • Online Date：2026-01-27
  • Published：2023-02-25
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History
  • Received：2022-07-25
  • Revised：2022-08-31
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Affiliations
    1a.College of Physical Science and Technology, Yili Normal University, Yining 835000, China
    1b.Xinjiang Condensed Matter Phase Transition and Microstructure Laboratory, Yili Normal University, Yining 835000, China
    2.School of Civil Engineering, Central South University, Changsha 410075, China
    3.School of Civil Engineering and Architecture, Ningbo Technology University, Ningbo 315100, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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