The influence of low environment pressure on the main bearing and big end bearing of internal combustion engine was investigated based on a one-cylinder diesel engine. 以立式单缸柴油发动机为研究对象,分析了低气压对发动机主轴承和连杆大端轴承工作情况的影响。
Dynamical characteristics of an end bearing pile embedded in saturated soil under horizontal vibration 饱和土中端承桩水平振动动力响应分析
There is a hole for mounting bearing temperature sensors on commutator bearing cover and another hole on driving end bearing cover. 同时,换向器端传动端轴承盖上留有轴承温度传感器安装孔。
Comparison of Different Methods for Calculation of Pile End Bearing Capacity in Sand 不同地区砂土中桩端承载力计算方法的比较
Analysis of the Weld Connecting Drive Hull and Drive End Bearing of Wheel Loader 浅析装载机桥壳体与轮边支承轴的焊接
Head-expanding Mechanism and Research on End Bearing Capacity of Ramming Expanded Piles 夯扩桩扩大头形成机理和桩端承载力特性研究
Deformation Analysis on Composite Subgrade of End Bearing Pile under Flexible Foundation 柔性基础下端承桩复合地基变形分析
There are many different methods to determine the pile end bearing capacity of pile foundation in sand. 桩端承载力的确定是岩土工程勘察和桩基设计的重要内容。
Otherwise, the vertical elements are embedded approximately900mm or as required for stability or end bearing. 否则应将竖直墙元件埋入约900mm,或者根据要求使其稳定或使用端支承。
Research on the Sediment Thickness of End Bearing Cast-in-place Pile& Monitoring of Sediment Thickness at the Bottom of End Bearing Pile Based on Reflective Method 桥梁端承冲击成孔灌注桩沉渣厚度研究&反射波法对端承桩孔底沉渣厚度的监测螺丝孔钻,螺丝底孔钻
The results have shown that the diameter of pile, the length of pile and the relative density of sand could affect the total load, shaft friction and end bearing of pile. 经由数值分析结果可明显看出压力桩及拉力桩之承载力、摩擦力与点承力皆因应著桩径、桩长及砂土之相对密度而变化。
Analysis and Review of Research on the Issue of Pile End Bearing Capacity 关于桩端阻力问题的分析与研究现状
Lateral seismic response analysis of end bearing pile under the influence of bedded ground wave motion and radiant damping 端承桩在层状地基波动与辐射阻尼影响下的横向地震反应分析
According to the construction technology of end bearing bored pile the quality controlling points in each procedures and the quality controlling of supervisers for important procedures are mainly discussed. 根据端承钻孔灌注桩的施工工艺,主要论述每道工序的质量控制点和监理人员如何对每道关键工序进行质量控制。
The calculation method of end bearing capacity of large diameter bottom-enlarged pile in soft substratum was proposed through the analysis of the failure mechanism of large diameter bottom-enlarged pile. 该文从大直径扩底桩的破坏模式出发,提出了软弱下卧层上大直径扩底桩端承力分析计算方法。
Calculation of end bearing capacity of large diameter bottom enlarged pile in finite thick soillayer 有限厚土层上大直径扩底桩的端承力计算
Modelling soil as a three-dimensional axisymmetric continuum and taking its radial and vertical displacement into account, the interaction between a soil layer and an integral end bearing pile undergoing vertical harmonic load is theoretically investigated. 从三维轴对称土体模型出发,同时考虑土体竖向和径向位移,对完整端承桩在垂直谐和激振力作用下与土的耦合纵向振动特性进行了分析。
Study on torsional complex stiffness at the top of end bearing pile considering the effect of soil-pile interaction 桩土相互作用时端承桩桩顶扭转复刚度特性研究
Using the finite element method, the bearing properties of the squeezed branch sing pile are analyzed under different influential factors, and discuss influence of developing the plate spacing to skin friction and end bearing force. 运用有限元方法分析挤扩支盘桩单桩在不同的因素影响下,挤扩支盘桩的受力特性,并探讨了支盘间距对桩侧、桩端阻力发挥性状的影响。
Analysis of End Bearing Capacity of Large Diameter Bottom-Enlarged Pile in Soft Substratum 软弱下卧层上大直径扩底桩端承力分析计算
Based on the model tests of rammed pedestal pile carried out in laboratory, the head-expanding mechanism is proposed and analysed qualitatively, and the empirical formulas of ramming effect radius and end bearing capacity are also deduced. 对夯扩桩扩大头的形成机理和形状进行了分析与探讨,提出了夯扩变形影响半径、桩端承载力计算的经验公式。
Based on the scene experiment result, it is analyzed that the load transfer law with squeezed branch pile about axial force, skin friction, end bearing force and resistance of disk. 基于现场实验结果,分析了挤扩支盘桩桩身轴力、桩侧摩阻力、桩端阻力、支盘阻力的传递规律。
Full-scale test study on frictional resistance and end bearing of DX piles cast-in-situ DX桩侧阻力和端阻力的现场试验研究
This thesis discussed questions of screw down torque of the connecting rod screw, effect of deformation of the main bearing bolt torque to the connecting rod big end bearing hole and the engine body main bearing hole. 本文就连杆螺钉拧紧力矩,主轴承螺栓拧紧力矩对连杆大头轴承孔、机体主轴承孔的变形问题进行了探讨。
It further proves that CPBP belongs to the frictional end bearing pile with multipoint resistance. 并进一步证实支盘桩属于摩擦多支点端承桩。
Theory and Practice of Engineering Pile as Uplift Pile in Construction of End Bearing Pile 端承桩中的工程桩作抗拔桩的理论分析及实际应用
Study on action mechanism of end bearing piles and its application 端承型基桩的桩-土作用机理研究探讨
Comparative study on large diameter pure friction piles and large diameter end bearing friction plies at same site 同场地大直径纯摩擦桩和端承摩擦桩对比研究
On the basis of this model by changing the pile length, pile spacing, pile diameter, explored the effect of pile foundation performance due to parameters changing. Besides, the performance of friction pile and end bearing pile were also compared. 在此模型的基础上,通过改变桩基的桩长、桩距、桩径,探究桩基参数改变对其工作性能的影响规律,并对比了摩擦桩和端承桩的工作性能。
However, the end bearing and shaft resistance loss a lot, because of the inherent defect of piles cast in place ( mud in the end and side of piles). All of these will arouse adverse impact on the control of settlement. 但是由于钻孔灌注桩存在固有缺陷(桩底沉渣和桩侧泥膜),导致桩端阻力和桩侧摩阻力显著降低,对沉降控制造成不利的影响。