Usually the compressive force is in the form of hammer blows using a power hammer or a press, as shown in Fig.4.1. 通常压力都是以由如图4.1所示的动力锤或压力机提供的锤击形式出现。
The paper trys to analyse stability of column by the method of dynamic analysis, deduces the formula of relation between axial compressive force and frequency of transverse vibration. 尝试用动力分析的方法对压杆稳定问题进行理论分析与实验研究。
When the compressive force is eliminated, and the feeler arm can be returned through the bouncing of the spring. 待压力消除后,探测杆便由弹簧反弹复位。
The longer the single drill pipe, the lesser the critical compressive force of drill stem. 钻杆的单根长度越长,钻柱所能承受的临界载荷越小。
The compressive force exerted by the rollers causes the metal to deform. The metal is thus reduced in section, increased in length and finally changed in shape. 轧辊施加的压力使金属变形。金属的截面减小,长度增加,从而改变形状。
The once once high mesitylene valence significantly drops and gave relief from cost to rise to live the compressive force of expending the fetch for dweller. 曾一度居高不下的菜价大幅回落,缓解了价格上涨给居民生活支出带来的压力。
Test results show that the concrete-filled steel tube and the reinforced concrete deform simultaneously in the axial direction before and at the peak value of axial compressive force. 试验结果分析表明,峰值承载力前和达到时,钢管和管外钢筋混凝土纵向变形一致;
This paper presents a buckling analysis of buried spanning submarine pipelines under axial compressive force caused by thermal expansion, in which the seabed stiffness is taken into account. 考虑海床刚度,研究了埋设悬跨海底管道在热膨胀引起的轴向压力下的屈曲问题。
This since can give relief from finance kit compressive force to some extent, can carry out Lian to rent house constructive to sustain a shape again. 这既可在一定程度上缓解财政配套压力,又可实现廉租住房建设的持续发展。
The probe can be penetrated into a coating until the bottom part of the coating through the compressive force effect of the feeler arm. 探测杆在压力作用下促使探针刺入涂层直至涂层的底部。
The research indicated that the critical compressive force of drill stem in horizontal well is closely related with the length of single drill pipe in use. 研究表明,水平井眼中钻柱所能承受的临界载荷和所使用钻杆的单根长度有密切关系。
To analyze the effect on the compressive force by the restraints of secondary beam, Plane and space finite element analysis of a sample prestressed frame structure is presented by ANSYS software. 并采用ANSYS程序对一预应力框架结构实例分别进行平面和空间有限元分析,分析次梁的约束的影响。
The monotonic shear testing of two-story model reinforced masonry shear wall in different compressive force was performed. 随后进行了两榀两层配筋砌块砌体剪力墙在不同竖向荷载下的单调加载受剪性能试验。
The differential equation of buckling of plunger piston under the compressive force on its end, its weight and internal hydraulic pressure is established by structural analysing of plunger workover rig. 通过对柱塞式作业机的结构分析,建立了压载、重力、液压作用下柱塞的屈曲微分方程。
The influence of the nonlinear factor on the vibration frequency becomes greater with the increase of the vibration amplitude and axial compressive force and drill stem's length. 非线性因素对频率的影响程度随着振幅、轴向压力和钻柱长度的增大而增加。
Influence of Lateral Restraints on the Compressive Force of Prestressed Concrete Frame Structure 侧向约束对预应力混凝土框架压力的影响
The calculational method for plant cell compressive force was ( obtained) that was convenient for theoretical analysis and numerical calculation. 提出了一种便于理论分析和数值计算的多面体植物单细胞内压计算方法。
A multi-purpose triaxial apparatus, that can strictly control the boundary force and apply the tensile or compressive force along vertical axis to the hollow cylinder specimens, has been used to study the properties of hydraulic fracturing for compacted cohesive soil under seepage force. 该仪器可严格控制中空园柱试件的边界受力条件及在垂直方向对试件施加拉力或压力。通过这种仪器进行了在渗水力作用下压实粘性土的水力劈裂性能研究。
Friction and sealing in tube hydroforming with axial compressive force 管材轴压液力成形中的摩擦与密封
The sdy about mechanical model and the analysis of response to the external compressive force about grape 葡萄力学模型的研究及对压缩载荷的响应分析
In this paper, the internal force and displacement of body of the coke drum which is suffer from temperature stress and inner compressive force are talked about. 本文着重讨论焦炭塔筒体在温度应力和内压的作用下所产生的内力和位移。
In this paper, the critical load of horizontal drill stem is analyzed and calculated on the basis of considering this factor, and the new calculation method of critical compressive force of horizontal drill stem is proposed. 在考虑这一因素的情况下对水平井眼中钻柱所能承受的临界载荷进行了分析计算,提出了水平钻柱临界压力的一种新的计算方法。
The calculational formula for cell compressive force was ( obtained) expressed by cell girth and by node coordinate and displacement of plant cell mechanical models. 在该模型的基础上,推出了用细胞周长以及用细胞模型节点坐标和位移表示的细胞内压改变量的计算公式。
The creep buckling of viscoelastic plates with initial deflections, subjected to axial compressive force is analyzed in the following cases: first, transverse shearing deformation is ignored, second, transverse shearing deformation is considered. 研究了有初始小挠度单向受压粘弹性板在两种情况下的蠕变屈曲问题.第一种情况是在建立控制方程时忽略横向剪切变形;
The critical compressive force of drill stem compressed in horizontal well is analyzed and calculated in this paper, and the calculation formula of critical compressive force of drill stem in horizontal well is deduced. 对水平井眼中钻柱所能承受的临界载荷进行了分析计算,推导出了水平井眼中钻柱临界压力的计算公式。
Based on the test of eight reinforced concrete hollow shear walls of various slenderness ratio under the action of axial compressive force, The failure mechanism, the deformation feature and the strain of steel bar under the axial loading are discussed. 通过对长细比不同的八个轴心受压钢筋混凝土空心剪力墙试件的试验研究,探讨了空心剪力墙在受到轴向压力作用下,试件的破坏机理、变形特征及截面钢筋的应变情况。
Results The longitudinal continuous dynamic compressive force of SMC was 163.88 N. 结果天鹅接骨器纵向持续动态加压力为163.88N。
The convection of fluids was improved by ultrasonic vibrations, and the stretching force and the compressive force were produced alternately contributing to the mixing efficiency. 超声振动不但提高了流体间的对流,而且导致流体间不断交替产生压缩与拉伸作用,从而大大提高了微混合效率。
With the low axial compressive force ratio, the stiffness and the ductility of the walls are controlled by the strength of the concrete, the section size and the longitudinal reinforcement and stirrups of the edge element. 在低轴压比下,试件刚度和延性受混凝土强度、截面尺寸以及边缘构件纵向钢筋及箍筋设计控制;分布钢筋对试件的承载力贡献不明显。
There are some difference between the model and parameter in the pavement design and compressive force, including the difference from dynamic to static and between viscous and elastic performance. 路面的实际受力状态与路面设计方法间存在着模型与参数之间的动态与静态、弹性与粘性之间的不同,且路面设计体系由静态向动态转变是一个必然的趋势。