Calculation method for stress condition of ballastless track fastener system

Calculation method for stress condition of ballastless track fastener system

The invention provides a ballastless track fastener system stress condition calculation method. The ballastless track fastener system stress condition calculation method comprises the following steps that a beam-track integrated calculation model is established; inputting rotation angle parameters t...

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Hauptverfasser: DING JINGBO, PEI AIHUA, LIU ZHENGQI, ZHANG QING, SUN JINGLIN, HUANG HUICHAO, MA JIAJUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator DING JINGBO
PEI AIHUA
LIU ZHENGQI
ZHANG QING
SUN JINGLIN
HUANG HUICHAO
MA JIAJUN
description The invention provides a ballastless track fastener system stress condition calculation method. The ballastless track fastener system stress condition calculation method comprises the following steps that a beam-track integrated calculation model is established; inputting rotation angle parameters theta1 and theta2 generated at the two ends of the beam body; the vertical displacement delta y of each fastener on the steel rail is calculated according to a beam-rail integrated calculation model and the corner parameters; simulating and solving the state of each fastener according to the vertical displacement delta y of each fastener and the rigidity coefficient K of each fastener; and calculating the additional force Ff borne by each fastener on the steel rail according to the state of each fastener. The combined action of a bridge, a steel rail and a fastener system is integrally considered, a beam-rail integrated calculation model is established, the model basically conforms to the actual situation, the confo
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The ballastless track fastener system stress condition calculation method comprises the following steps that a beam-track integrated calculation model is established; inputting rotation angle parameters theta1 and theta2 generated at the two ends of the beam body; the vertical displacement delta y of each fastener on the steel rail is calculated according to a beam-rail integrated calculation model and the corner parameters; simulating and solving the state of each fastener according to the vertical displacement delta y of each fastener and the rigidity coefficient K of each fastener; and calculating the additional force Ff borne by each fastener on the steel rail according to the state of each fastener. The combined action of a bridge, a steel rail and a fastener system is integrally considered, a beam-rail integrated calculation model is established, the model basically conforms to the actual situation, the confo</abstract><oa>free_for_read</oa></addata></record>
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Calculation method for stress condition of ballastless track fastener system
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