Researth on Deflection Calculation Method of Bidirectional Composite Slab with Steel Fiber Recycled Concrete Prefabricated Plate

LUO Bin

doi:10.13204/j.gyjzG21101311

Volume 52 Issue 11

Nov. 2022

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LUO Bin. Researth on Deflection Calculation Method of Bidirectional Composite Slab with Steel Fiber Recycled Concrete Prefabricated Plate[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(11): 157-161,138. doi: 10.13204/j.gyjzG21101311

Citation:

LUO Bin. Researth on Deflection Calculation Method of Bidirectional Composite Slab with Steel Fiber Recycled Concrete Prefabricated Plate[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(11): 157-161,138. doi: 10.13204/j.gyjzG21101311

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Researth on Deflection Calculation Method of Bidirectional Composite Slab with Steel Fiber Recycled Concrete Prefabricated Plate

doi: 10.13204/j.gyjzG21101311

LUO Bin

Civil Engineering Institute, Lanzhou University of Technology, Lanzhou 730050, China

Received Date: 2021-10-13

Abstract

Abstract

In order to promote the application of recycled concrete in structural engineering, especially in industrial construction, a kind of steel fiber reinforced recycled concrete with prefabricated layer and cast-in-situ layer as bidirectional composite slab (semi-recycled-semi-ordinary concrete composite slab) was proposed. Based on the theory of elastic thin slab, a formula for calculating the deflection of elastic stage was established according to its orthotropic structural characteristics. The calculation method of elastic-plastic stage deflection considering precise bending moment was given. On this basis, the comparison between theoretical calculation and experimental results showed that the elastic and elastic-plastic stage deflection calculation presented in the paper was practical and effective.
- composite slab,
- steel bar truss,
- green concrete,
- orthotropy,
- theory of plates and shells

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References(12)

References

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