Field Test Study and Micro-Analysis Steel Fiber
Science of Advanced Materials(2022)
Abstract
To study the mechanical properties of steel fiber precast concrete pavement (SFPCP) the mechanical response tests of steel fiber precast concrete plate (SFPCP) under two different static loads were carried out, and the failure characteristics of SFPCP was analyzed by using micromorphology. The test results showed that: (1) the strain of SFPCP is slightly affected by wheel position but is significantly affected by load size. When the two different static loads are applied in the middle and upper right of SFPCP, both the tensile strain and compressive strain of the steel bar reach the maximum value at 1 s. When the load is applied on the SFPCP, the upper steel bar of the SFPCP is a in compressive state, and the lower steel bar and test points away from the wheel position are in a tensile state. (2) The maximum strain value of the SFPCP occurs at 1 s when different loads are applied at the same location. When the load is applied in the middle of SFPCP, the maximum strain value does not exceed 25 As. When the load is applied in the upper right part of SFPCP, the maximum strain value does not exceed 65 As. (3) The addition of steel fiber in the SFPCP reduces the fluidity of concrete and enhances the bonding of steelIP: fiber-mor203.8.109.20tar interface.On: Wed,The 01 matrixFeb load2023 is16:22:42 gradually transferred to the steel fiber through the steel fiber-mortar transitin zone. The esearch results provida guidance for the future production Copyright: American Scientific Publishers and construction of SFPCP. Delivered by Ingenta
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Key words
 ,Steel Fiber,SFPCP,Strain,Static Analysis,Green Building,Micro -Analysis
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