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A platform for research: civil engineering, architecture and urbanism
Pile foundation reinforcing structure capable of resisting train vibration and construction method
According to the train vibration resisting pile foundation reinforcing structure and the construction method, an outer supporting piece of the train vibration resisting pile foundation reinforcing structure abuts against a pile body through an elastic supporting top, and vibration energy applied to a forcing rod by stratum vibration is absorbed through an elastic energy absorption ring and an energy absorption medium filled with a shell. In the process that the vibration load of a subway vehicle is transmitted from a tunnel to the surrounding stratum and transmitted to a power transmission tower pile foundation and a power transmission tower upper structure, the forcing rod located in the front shakes along with vibration of the stratum, and in the shaking process, on one hand, the elastic energy absorption ring is pressed to deform, and part of vibration energy is absorbed by the elastic energy absorption ring; meanwhile, shaking of the forcing rods enables the rear sections of the forcing rods and the extrusion bodies on the rear sections of the forcing rods to extrude the energy absorption media, the energy absorption media move and rub in the shell and even deform and break, and therefore a large amount of vibration energy is absorbed, a pile foundation of the power transmission tower can be reinforced, most of vibration energy can be absorbed, and the energy absorption effect is improved. And the stability and safety of the power transmission tower pile foundation and the power transmission tower upper structure are ensured.
本发明公开一种抗列车振动的桩基础加固结构及施工方法，其外支件通过弹性支顶与桩体相抵，并通过弹性吸能环和充满壳体的吸能介质吸收地层振动施加于迫动杆的振动能量。当地铁车辆振动荷载从隧道向周围地层传递，并往输电塔桩基础和输电塔上部结构传递的过程中，位于前方的迫动杆随地层振动而晃动，并在晃动的过程中，一方面压迫弹性吸能环变形，由弹性吸能环吸收一部分振动能量；同时迫动杆的晃动还使得迫动杆后段及其上的挤压体挤压吸能介质，使吸能介质在壳体内运动和摩擦，甚至发生变形和破碎，从而吸收大量的振动能量，既可加固输电塔的桩基础，又可吸收大部分的振动能量，保证输电塔桩基础和输电塔上部结构的稳定性和安全性。
Pile foundation reinforcing structure capable of resisting train vibration and construction method
According to the train vibration resisting pile foundation reinforcing structure and the construction method, an outer supporting piece of the train vibration resisting pile foundation reinforcing structure abuts against a pile body through an elastic supporting top, and vibration energy applied to a forcing rod by stratum vibration is absorbed through an elastic energy absorption ring and an energy absorption medium filled with a shell. In the process that the vibration load of a subway vehicle is transmitted from a tunnel to the surrounding stratum and transmitted to a power transmission tower pile foundation and a power transmission tower upper structure, the forcing rod located in the front shakes along with vibration of the stratum, and in the shaking process, on one hand, the elastic energy absorption ring is pressed to deform, and part of vibration energy is absorbed by the elastic energy absorption ring; meanwhile, shaking of the forcing rods enables the rear sections of the forcing rods and the extrusion bodies on the rear sections of the forcing rods to extrude the energy absorption media, the energy absorption media move and rub in the shell and even deform and break, and therefore a large amount of vibration energy is absorbed, a pile foundation of the power transmission tower can be reinforced, most of vibration energy can be absorbed, and the energy absorption effect is improved. And the stability and safety of the power transmission tower pile foundation and the power transmission tower upper structure are ensured.
本发明公开一种抗列车振动的桩基础加固结构及施工方法，其外支件通过弹性支顶与桩体相抵，并通过弹性吸能环和充满壳体的吸能介质吸收地层振动施加于迫动杆的振动能量。当地铁车辆振动荷载从隧道向周围地层传递，并往输电塔桩基础和输电塔上部结构传递的过程中，位于前方的迫动杆随地层振动而晃动，并在晃动的过程中，一方面压迫弹性吸能环变形，由弹性吸能环吸收一部分振动能量；同时迫动杆的晃动还使得迫动杆后段及其上的挤压体挤压吸能介质，使吸能介质在壳体内运动和摩擦，甚至发生变形和破碎，从而吸收大量的振动能量，既可加固输电塔的桩基础，又可吸收大部分的振动能量，保证输电塔桩基础和输电塔上部结构的稳定性和安全性。
Pile foundation reinforcing structure capable of resisting train vibration and construction method
抗列车振动的桩基础加固结构及施工方法
MA JIANJUN (author) / LIANG JIGUAN (author) / HUANG LINCHONG (author) / LIANG YU (author) / YANG HONGWEI (author) / CHEN WANXIANG (author) / DANG WENGANG (author)
2022-05-10
Patent
Electronic Resource
Chinese
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