A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Protective guard for small-radius curve section of expressway
The invention provides a protective guard for a small-radius curve section of an expressway. The protective guard comprises a supporting column and a guardrail plate. Energy dissipation units are arranged in the length direction of the guardrail plate at intervals; each energy dissipation unit comprises an outer curved surface protection plate, an inner curved surface supporting plate, a compression energy absorption body, a shaping energy absorption plate and an elastic energy dissipation body, wherein the compression energy absorption body is arranged in the center of the outer curved surface protection plate and the inner curved surface supporting plate; the shaping energy absorption plate is arranged around the compression energy absorption body; the elastic energy dissipation body comprises a first elastic body arranged in the width direction of a road and a second elastic body arranged in the trend of the road; two ends of each second elastic body are respectively connected withthe middle parts of two adjacent first elastic bodies; when a vehicle collides with the protective guard at any angle, impact force acts on the outer curved surface protection plate and is dispersed in the compression energy absorption body, the shaping energy absorption plate and the elastic energy dissipation body dissipate energy, the elastic energy dissipation body can decompose the acting force in the road trend and the width direction to achieve energy dissipation in different directions, and therefore the energy dissipation effect is improved, and deformation caused by collision of vehicles and guardrails is reduced.
本发明提供一种用于高速公路小半径曲线路段的防护栏，包括支撑柱和护栏板，护栏板长度方向间隔设有消能单元，消能单元包括外曲面护板、内曲面支撑板、压缩吸能体、塑形吸能板和弹性消能体，压缩吸能体设于外曲面护板与内曲面支撑板的中心，塑形吸能板围绕压缩吸能体设置，弹性消能体包括沿公路宽度方向设置的第一弹性体和沿公路走向设置的第二弹性体，第二弹性体的两端分别与相邻两个第一弹性体的中部连接，当车辆任意角度与防护栏发生碰撞时，撞击力作用于外曲面护板，又分散于压缩吸能体、塑形吸能板和弹性消能体进行消能，弹性消能体能够将作用力沿公路走向和宽度方向分解，实现分向消能，以此提高消能效果，降低对车辆和护栏碰撞的变形。
Protective guard for small-radius curve section of expressway
The invention provides a protective guard for a small-radius curve section of an expressway. The protective guard comprises a supporting column and a guardrail plate. Energy dissipation units are arranged in the length direction of the guardrail plate at intervals; each energy dissipation unit comprises an outer curved surface protection plate, an inner curved surface supporting plate, a compression energy absorption body, a shaping energy absorption plate and an elastic energy dissipation body, wherein the compression energy absorption body is arranged in the center of the outer curved surface protection plate and the inner curved surface supporting plate; the shaping energy absorption plate is arranged around the compression energy absorption body; the elastic energy dissipation body comprises a first elastic body arranged in the width direction of a road and a second elastic body arranged in the trend of the road; two ends of each second elastic body are respectively connected withthe middle parts of two adjacent first elastic bodies; when a vehicle collides with the protective guard at any angle, impact force acts on the outer curved surface protection plate and is dispersed in the compression energy absorption body, the shaping energy absorption plate and the elastic energy dissipation body dissipate energy, the elastic energy dissipation body can decompose the acting force in the road trend and the width direction to achieve energy dissipation in different directions, and therefore the energy dissipation effect is improved, and deformation caused by collision of vehicles and guardrails is reduced.
本发明提供一种用于高速公路小半径曲线路段的防护栏，包括支撑柱和护栏板，护栏板长度方向间隔设有消能单元，消能单元包括外曲面护板、内曲面支撑板、压缩吸能体、塑形吸能板和弹性消能体，压缩吸能体设于外曲面护板与内曲面支撑板的中心，塑形吸能板围绕压缩吸能体设置，弹性消能体包括沿公路宽度方向设置的第一弹性体和沿公路走向设置的第二弹性体，第二弹性体的两端分别与相邻两个第一弹性体的中部连接，当车辆任意角度与防护栏发生碰撞时，撞击力作用于外曲面护板，又分散于压缩吸能体、塑形吸能板和弹性消能体进行消能，弹性消能体能够将作用力沿公路走向和宽度方向分解，实现分向消能，以此提高消能效果，降低对车辆和护栏碰撞的变形。
Protective guard for small-radius curve section of expressway
一种用于高速公路小半径曲线路段的防护栏
MOU RUIFENG (author) / PANG ZUOMIN (author) / TIAN XINCHENG (author) / ZHANG ZHI (author) / ZHANG RUI (author) / MU QIUYU (author) / WANG HUALIN (author) / HAN GUOHUA (author) / ZHANG SHUSEN (author) / ZHAO ZHICE (author)
2020-05-29
Patent
Electronic Resource
Chinese
IPC:
E01F
ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
,
Zusätzliche Baumaßnahmen, wie die Ausstattung von Straßen oder die bauliche Ausbildung von Bahnsteigen, Landeplätzen für Hubschrauber, Wegweisern, Schneezäunen oder dgl.
Anti-collision protective guard for expressway interface
| European Patent Office | 2021