<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The angle steel-concrete column used in the new frame structure means that the rigid angle steel is placed in the column instead of the longitudinal reinforcement. The steel plate hoop welded to the longitudinal angle steel is used instead of the stirrup to form a spatial steel frame and concrete component. To ensure the normal use of existing houses in the building and adding floors, avoid transferring the load during the construction phase to the roof of the original house. The corresponding skeleton curve is extracted from the hysteresis curve of the specimen. Based on experimental research, the force performance of the normal section of the angle steel-concrete column was discussed, and the calculation formula of the normal section bearing capacity of the angle steel-concrete column was discussed.</p>
</abstract>

The angle steel-concrete column used in the new frame structure means that the rigid angle steel is placed in the column instead of the longitudinal reinforcement. The steel plate hoop welded to the longitudinal angle steel is used instead of the stirrup to form a spatial steel frame and concrete component. To ensure the normal use of existing houses in the building and adding floors, avoid transferring the load during the construction phase to the roof of the original house. The corresponding skeleton curve is extracted from the hysteresis curve of the specimen. Based on experimental research, the force performance of the normal section of the angle steel-concrete column was discussed, and the calculation formula of the normal section bearing capacity of the angle steel-concrete column was discussed.

Composite mechanical performance of prefabricated concrete based on hysteresis curve equation

Applied Mathematics and Nonlinear Sciences

This work is licensed under the Creative Commons Attribution 4.0 International License.

The angle steel-concrete column used in the new frame structure means that the rigid angle steel is placed in the column instead of the longitudinal...

Specimen number	P_u/kN	Δ_m/mm	N/kN	$M_{u}^{t} / (kN \cdot m)$ M_u^t/\left( {{\bf{kN}} \cdot {\bf{m}}} \right)	$M_{u}^{c} / (kN \cdot m)$ M_u^c/\left( {{\bf{kN}} \cdot {\bf{m}}} \right)	$M_{u}^{c} / M_{u}^{t}$ 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

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

Composite mechanical performance of prefabricated concrete based on hysteresis curve equation

Publié en ligne: 30 déc. 2021

Pages: 361 - 370

Reçu: 17 juin 2021

Accepté: 24 sept. 2021

DOI: https://doi.org/10.2478/amns.2021.2.00153

Mots clés
hysteretic curve equation, prefabricated concrete, mechanical performance

© 2021 Yanan Fu, published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

Fig. 2

Fig. 3

Fig. 4

Fig. 5

Fig. 6

Comparison of test results and calculated results

The main parameters of the test piece

Composite mechanical performance of prefabricated concrete based on hysteresis curve equation

Publié en ligne: 30 déc. 2021

Pages: 361 - 370

Reçu: 17 juin 2021

Accepté: 24 sept. 2021

DOI: https://doi.org/10.2478/amns.2021.2.00153

Mots cléshysteretic curve equation, prefabricated concrete, mechanical performance

© 2021 Yanan Fu, published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

Fig. 2

Fig. 3

Fig. 4

Fig. 5

Fig. 6

Comparison of test results and calculated results

The main parameters of the test piece

Mots clés
hysteretic curve equation, prefabricated concrete, mechanical performance