Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Sling converting once tensioning construction method of rope bridge system
The invention discloses a sling converting once tensioning construction method of a rope bridge system. The method comprises the steps of establishing a construction phase simulation analysis model of a rope bridge by utilizing finite element finite element, determining the number and arrangement positions of required temporary piers preliminarily, and determining the tensioning sequence of slings preliminarily; installing the temporary piers at the preset positions; after the installation of the temporary piers is completed, installing a support and a first jack at the pier top of each permanent pier, and installing a second jack at the pier top of each temporary pier; setting up a main beam and rope system above the rope bridge; tensioning the slings through a method of rope length in non-stress, adjusting the top elevation of each first jack timely in the construction process, so that the construction stress of the slings or local stress of anchorage zones is reduced to the construction allowable stress, and tensioning of the slings to the designed sling length in one time; in the construction process, monitoring the elevation and stress level of the anchorage zones of the slings in real time, monitoring the elevation and stress level of the anchorage zones of the slings in the last phase timely, and if the stress is found to exceed standards, then repeating the fifth step.
Sling converting once tensioning construction method of rope bridge system
The invention discloses a sling converting once tensioning construction method of a rope bridge system. The method comprises the steps of establishing a construction phase simulation analysis model of a rope bridge by utilizing finite element finite element, determining the number and arrangement positions of required temporary piers preliminarily, and determining the tensioning sequence of slings preliminarily; installing the temporary piers at the preset positions; after the installation of the temporary piers is completed, installing a support and a first jack at the pier top of each permanent pier, and installing a second jack at the pier top of each temporary pier; setting up a main beam and rope system above the rope bridge; tensioning the slings through a method of rope length in non-stress, adjusting the top elevation of each first jack timely in the construction process, so that the construction stress of the slings or local stress of anchorage zones is reduced to the construction allowable stress, and tensioning of the slings to the designed sling length in one time; in the construction process, monitoring the elevation and stress level of the anchorage zones of the slings in real time, monitoring the elevation and stress level of the anchorage zones of the slings in the last phase timely, and if the stress is found to exceed standards, then repeating the fifth step.
Sling converting once tensioning construction method of rope bridge system
JIA HONG (Autor:in) / CHEN YANJIANG (Autor:in) / QIAN ZENGZHI (Autor:in) / ZHOU DAXING (Autor:in) / NIE GUONAN (Autor:in)
22.07.2015
Patent
Elektronische Ressource
Englisch
IPC:
E01D
BRIDGES
,
Brücken
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