Heavy vehicles, in particular trucks, burden the road infrastructure as there is a progressive relationship ( 4th order) between axle load and road damage caused by axle loads. 由于轴载荷与轴载荷引起的道路损坏之间存在着一种递进关系(四阶),因此重型车辆尤其是货运卡车对道路地基来说压力相当沉重。
Investigation of the vehicle axle load on Chongqing area's highway bridge 重庆地区公路桥梁车辆荷载轴重调查研究
The source of vibration excitation is divided into two components: the axle load and the roughness-induced dynamic loads. 列车荷载分为两部分:车体轴重和轨道不平顺引起的轮轨动力作用力。
Research on Distributing Regularity of Shear Yielding Area in Asphalt Pavement under Heavy Axle Load 重载交通沥青路面剪切屈服区分布规律研究
The requirements on steel types and features of wheels with increase of axle load of heavy haul vehicles are discussed. 介绍了大秦线车轮的服役表现,探讨了重载运输条件下车辆轴重增加对车轮钢种特性的要求。
On the basis of the national conditions and freight transport in China, the thought of improving both the axle load and the axle number to develop large freight cars in China is put forward; 根据中国铁路国情和货运特点,提出提高轴重和增加轴数并举发展中国大型货车的思路;
The early damage of asphalt pavement under the heavy axle load becomes more and more serious. 沥青路面结构在重轴载车辆荷载作用下,早期损坏现象严重。
According to the fatigue equation of lean concrete, coefficient of axle load conversion of lean concrete is put forward. 根据贫混凝土的疲劳方程,推导出贫混凝土的轴载换算系数。
Mechnical Properties Study of 30t Axle Load Heavy-haul Railway Track Structure 30吨轴重重载铁路轨道结构力学特性研究
The present conditions of increasing axle load for railway freight cars in Europe are described. 介绍了欧洲铁路货运车辆增加轴重的现状,并指出了未来的发展方向。
Furthermore, the crack resistance is affected by temperature drop range and axle load difference. 此外,降温幅度和轴载的变化对加铺层抗裂性能也有较大影响。
Effect of Temperature on Ultimate Axle Load for Semi-Rigid Asphalt Pavements 温度对半刚性沥青路面极限轴载的影响
Effect of curve radius and axle load on friction of wheel/ rail 曲线半径及轴重对轮轨摩擦功影响的研究
Starting with the force analysis on parts of the locomotive, a new method to calculate axle load transfer of locomotives was discussed in the paper and the calculation formulaswere derived. 本文的分析方法可以应用于任何轴式及悬挂型式的机车轴重转移计算。
The front axle load determines which of the three different power-steering systems are used. 根据前桥的负载,有三种转向助力系统可供选择。
It is necessary to develop low track force freight bogie to decrease the damage caused by high axle load to the track. 为了减轻大轴重对线路的损伤,需发展低动力作用货车转向架。
Optimization of Axle Load Distribution for Dual Steering Axle Vehicle Based on ADAMS 基于ADAMS软件优化分配双转向桥车辆轴荷
Fatigue Life Estimate and Fracture Safety Evaluation of Bolster for the 30t Axle Load Bogie 30t轴重货车转向架摇枕的疲劳寿命估算及断裂安全性评价
The effect of temperature on ultimate axle load of semi-rigid asphalt pavement was explored through theoretical analysis on a typical structure at various temperatures. 在不同的环境温度下,通过对典型结构的理论分析,探讨温度变化对半刚性沥青路面极限轴载的影响。
Special type of vehicle not allowed for registration due to the issue of not meeting the national standard of axle load, total mass, outline, size. 因轴荷、总质量、外廓尺寸超出国家标准不予办理注册登记的特型机动车。
Purpose: it is used for measuring the weight of entire car, single wheel, axle and difference of wheel load, axle load, end load, side load. 用途:用于测量整车重量、单轮重、轴重及、轮重差、轴重差、端位差、侧位差。可适应不同轴距、定距、不同轨距的车型。
The increase of axle load and track regularity are the key factors affecting the dynamic stress of subgrade as the speed of train increases. 列车提速时,轴重增加和轨道不平顺对路基动应力影响最大。
The key of acceleration and adding axle load of freight car is bogie. 铁路货车提高速度和增大轴重的关键是转向架。
According to calculating different speeds of curve negotiation and axle load, the wheel-rail contact force and contact stress field are obtained separately, and then compared with each other to offer theory basis for finding the method which can slow down rail wear. 针对不同的曲线通过速度和不同的轴重进行计算,得出了轮轨接触力和接触应力场,并对其进行了分析比较,为找到减缓钢轨磨耗的方法提供了理论依据。
Traffic surveys including traffic volume, axle load and vehicle speed were also conducted to assess their influences. 为评估交通荷载对铺装层的影响,同时进行了包括交通量、轴重、车速等调查。
Results of the analysis show that there exists an ultimate axle load for a given pavement structure. 计算与分析显示:对于给定的路面结构,存在一个极限轴载;
The views on the effect of wagon axle load on track structure. 对货车轴重对轨道结构影响的看法。
But the axle load, high-density traffic put forward higher requirements on railway alignment. 但大轴重、高密度行车的同时也对线路条件提出了更高的要求。
Axle load is an important basic parameter for pavement design, which determines the pavement and road grade. 车辆轴载是路面设计的重要基础参数,它决定了路面结构及路面等级。
Axle load conversion methods based on fatigue equivalent were studied. 提出了基于疲劳等效的轴载换算公式。