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Composite mechanical performance of prefabricated concrete based on hysteresis curve equation

Yanan Fu

Yanan Fu

School of Civil Engineering, Chongqing Three Gorges UniversityChina
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Fu, Yanan
  
30. Dez. 2021
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Online veröffentlicht: 30. Dez. 2021
Seitenbereich: 361 - 370
Eingereicht: 17. Juni 2021
Akzeptiert: 24. Sept. 2021
DOI: https://doi.org/10.2478/amns.2021.2.00153
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© 2021 Yanan Fu, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

Schematic diagram of the specimen
Schematic diagram of the specimen

Fig. 2

The molded test piece
The molded test piece

Fig. 3

Loading device
Loading device

Fig. 4

Specimen load-displacement hysteresis curve
Specimen load-displacement hysteresis curve

Fig. 5

Skeleton curves of six specimens
Skeleton curves of six specimens

Fig. 6

Sectional stress when the full section of both compression and tension angle steel yields
Sectional stress when the full section of both compression and tension angle steel yields

Comparison of test results and calculated results

Specimen number Pu/kN Δm/mm N/kN Mut/(kN⋅m) M_u^t/\left( {{\bf{kN}} \cdot {\bf{m}}} \right) Muc/(kN⋅m) M_u^c/\left( {{\bf{kN}} \cdot {\bf{m}}} \right) Muc/Mut M_u^c/M_u^t
PPECC1 104.54 15.95 458 55.92 51.53 0.92
PPECC3 97.89 19.53 458 53.42 51.53 0.96
PPECC4 114.25 15.06 565 61.38 55.52 0.90
PPECC5 121.85 16.38 565 65.55 55.52 0.85
PPECC6 106.66 14.89 565 57.54 55.52 0.96

The main parameters of the test piece

Specimen number Axial pressure ratio n0 With hoop rate ρsv/%
PPECC1 0.33 1.18
PPECC2 0.33 1.36
PPECC3 0.33 1.55
PPECC4 0.37 1.36
PPECC5 0.37 1.55
PPECC6 0.37 1.82
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Englisch
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Biologie, Biologie, andere, Mathematik, Angewandte Mathematik, Mathematik, Allgemeines, Physik, Physik, andere
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