| 1. | If the engine starts knocking , it could be a worn big - end bearing 如果引擎开始叩叩地响,有可能是大端轴磨损了。 |
| 2. | Conveyer end bearing cover 输送机轴承盖 |
| 3. | For this big - end bearing , steel - backed lead or tin shell bearings are used 对连杆大头轴承来说,使用的是铅的钢背或锡的轴瓦式轴承。 |
| 4. | A discussion on pile end bearing capacity eigenvalue taking method in a very soft rock foundation 浅析极软质岩石地基中桩的端阻力特征值的取值 |
| 5. | The main original work is as the followings : 1 . longitudinal vibration of an integral pile in an uniform soil with end bearing boundary or elastic bottom boundary undergoing vertical harmonic load is theoretically investigated 主要工作如下: 1 、分别对均质土中完整端承桩和弹性支承桩在垂直谐和激振力作用下的纵向振动特性进行了研究。 |
| 6. | A dynamic interaction schematic of an end bearing or elastic bearing pile with arbitrary force at pile top is founded . by using helmholtz resolution and the operator decomposition method , biot ' s equations governing motions of a porous solid saturated with interstitial fluid are decoupled 建立饱和土中端承桩和摩擦桩在任意激振力作用下的理论模型,利用位移势函数及微分算子分解方法,得到饱和土层biot动力固结方程的分离变量解。 |
| 7. | The reliability is validated further on . 3 . the static loading test is modeled by plaxis , based on this , the basic bearing mechanism is analysed which comprise the rule of the load - settlement curves , inner and outer friction resistance , end bearing , stress distribution along pile depth and the dissipation of excess pore pressures 应用plaxis程序模拟单桩静载荷试验的过程,并根据计算结果较为详细的分析了pcc单桩的基本承载特性,主要包括荷载?沉降曲线的特征、桩壁内外侧摩阻力的分布、桩端阻力的分布、桩的轴向荷载传递以及孔压消散规律等。 |
| 8. | 2 . the complex stiffness corresponding to three bearing conditions of semi - infinite elastic subgrade , finite elastic soil layer and end bearing at the pile bottom are theoretically investigated , and analytical expression of the complex stiffness corresponding to finite elastic soil layer bearing condition is obtained . the special influence of bearing conditions on dynamic response at pile head is then discussed 2 、对刚性支承、有限厚度土层支承和半无限空间支承三种桩底部支承情况下桩底支承复刚度和桩周土底分布支承复刚度的解析表达及其特性进行了推导论证,通过假定桩底土为与桩等截面的土柱推导求得有限厚土层支承条件下桩底支承复刚度的解析解,并据此分析了不同底部支承边界对桩顶响应的影响。 |
| 9. | In the simulation , the mpc technique of msc . nastran is used to simulate the mechanical behavior of contact between the interfaces of piston pin and bearing of small end , crankpin and big end bearing , connecting rod body and bearing cap ; also constraints are applied to the connecting rod reasonably 分析中采用了patran中的多点约束( mpc )技术,有效地模拟了活塞销与小头孔内表面、曲柄销与大头孔内表面以及连杆体与大头盖接触面的力学接触状态,并对连杆进行合理的约束。 |