A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Large-span arch bridge steel arch rib buckling monitoring method
The invention discloses a large-span arch bridge steel arch rib buckling and hanging construction monitoring method, which comprises the following steps of: respectively inputting preset meteorological data of an arch seat, an approach bridge deck and a cable tower top surface, reasonably arranging a buckling cable, an anchor cable and a hanging and buckling monitoring point on a steel arch rib, and fitting and splicing the steel arch rib under the condition of the preset meteorological data; under the condition of preset meteorological data, when the main cable is used for hoisting construction of each section of steel arch rib, the strain force of the main cable and the position change parameters of the steel arch rib are calculated respectively; and when each section of steel arch rib is assembled, obtaining the strain force of the hanging and buckling monitoring point of each section of steel arch rib through the mutually connected buckling cable and anchor cable, feeding back the strain force of the buckling monitoring point to the finite element calculation model for calculation, and estimating the strain force of each hanging and buckling monitoring point after the hoisting construction of the next section of steel arch rib is completed. According to the invention, the current gasification environment and each stress point can be monitored in real time, adjustment and guidance on-site construction control can be made according to environmental parameters, and the construction safety risk is reduced.
本发明公开了一种大跨拱桥钢拱肋扣挂施工监测方法，包括如下步骤：分别输入拱座、引桥桥面和缆塔顶面的预设气象数据以及在钢拱肋上合理设置扣索、锚索和挂扣监测点，在预设气象数据条件下对钢拱肋进行拟合拼装；在预设气象数据条件下，使用主缆索对每节钢拱肋进行吊装施工过中，分别计算主缆索应变力和钢拱肋的位置变化参数；将每节钢拱肋拼装完毕时，通过相互连接的扣索和锚索获取每节钢拱肋挂扣监测点的应变力，并将扣监测点的应变力反馈至有限元计算模型中进行计算，预估下一节钢拱肋吊装施工完成后每个挂扣监测点的应变力。本发明能对当前气化环境和各受力点进行实时监测，并根据环境参数作出调整和指导现场施工控制，降低施工安全风险。
Large-span arch bridge steel arch rib buckling monitoring method
The invention discloses a large-span arch bridge steel arch rib buckling and hanging construction monitoring method, which comprises the following steps of: respectively inputting preset meteorological data of an arch seat, an approach bridge deck and a cable tower top surface, reasonably arranging a buckling cable, an anchor cable and a hanging and buckling monitoring point on a steel arch rib, and fitting and splicing the steel arch rib under the condition of the preset meteorological data; under the condition of preset meteorological data, when the main cable is used for hoisting construction of each section of steel arch rib, the strain force of the main cable and the position change parameters of the steel arch rib are calculated respectively; and when each section of steel arch rib is assembled, obtaining the strain force of the hanging and buckling monitoring point of each section of steel arch rib through the mutually connected buckling cable and anchor cable, feeding back the strain force of the buckling monitoring point to the finite element calculation model for calculation, and estimating the strain force of each hanging and buckling monitoring point after the hoisting construction of the next section of steel arch rib is completed. According to the invention, the current gasification environment and each stress point can be monitored in real time, adjustment and guidance on-site construction control can be made according to environmental parameters, and the construction safety risk is reduced.
本发明公开了一种大跨拱桥钢拱肋扣挂施工监测方法，包括如下步骤：分别输入拱座、引桥桥面和缆塔顶面的预设气象数据以及在钢拱肋上合理设置扣索、锚索和挂扣监测点，在预设气象数据条件下对钢拱肋进行拟合拼装；在预设气象数据条件下，使用主缆索对每节钢拱肋进行吊装施工过中，分别计算主缆索应变力和钢拱肋的位置变化参数；将每节钢拱肋拼装完毕时，通过相互连接的扣索和锚索获取每节钢拱肋挂扣监测点的应变力，并将扣监测点的应变力反馈至有限元计算模型中进行计算，预估下一节钢拱肋吊装施工完成后每个挂扣监测点的应变力。本发明能对当前气化环境和各受力点进行实时监测，并根据环境参数作出调整和指导现场施工控制，降低施工安全风险。
Large-span arch bridge steel arch rib buckling monitoring method
一种大跨拱桥钢拱肋扣挂监测方法
WANG MINGSHENG (author) / XIAO GUANGSHENG (author) / WEI JIANJIANG (author) / CHEN SHIQUAN (author) / HE GANGQIANG (author) / TIAN SHIKUAN (author) / WANG ZHIJIN (author) / CHEN ZHU (author) / ZENG GUOSHENG (author) / ZHANG YI (author)
2024-01-26
Patent
Electronic Resource
Chinese
IPC:
G01N
Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften
,
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
/
E01D
BRIDGES
,
Brücken
/
G01B
MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS
,
Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen
/
G01W
METEOROLOGY
,
Meteorologie
/
G06F
ELECTRIC DIGITAL DATA PROCESSING
,
Elektrische digitale Datenverarbeitung
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