静载荷

Mechanical properties including the density MOR, MOE, shearing strength of birch and basswood LVL beams made by the bi-frequency hot press were tested by universal strength testing machine. The primary failure modes were discussed when LVL beams suffered the flexural and level shearing load.

在万能力学试验机上测试由高频热压方法制造的桦木和椴木单板层积梁的密度、静曲强度、弹性模量和水平剪切强度等力学性质；讨论LVL梁受弯曲、水平剪切载荷时的主要破坏形式并得出相关结论。

Experiments were performed with this device to measure the static coefficient of friction for three kinds of material(45steel,HT35-61,QT80-2) in the same processing method,the same surface texture,the same load,dry friction and different surface roughness conditions respectively.

分别对材料(45钢、HT35-61、QT80-2)在相同加工方法、相同表面纹理、载荷恒定、干摩擦条件下，改变表面粗糙度时的静摩擦因数进行了测定。

Then steady forced vibration of the nonlinear Disk spring-mass system under base excitation and force excitation is obtained individually by using the Fourier series analysis and harmonic balance method.

详细探讨了考虑静力载荷影响的、具有弹性非线性和Coulomb摩擦阻尼非线性的碟簧元件的建模和动力学特性，首先利用Fourier级数分析技巧和平均法研究了非线性碟簧-质量系统的自由振动，讨论了影响自由振动的振幅和频率的各种因素，然后利用Fourier级数分析技巧和谐波平衡法研究了地基激励和力激励下非线性碟簧-质量系统的强迫振动，通过详细的参数研究考察了非线性碟簧元件的减振性能特征，最后采用修正的稳定性分析方法研究了两种激励下稳态响应的稳定性。

Kiln always have weight of kiloton, length of hectometer and four to nine supporting aprons. It is a statically indeterminate system with heavy load, large torque and multi-supporting mechanism.

回转窑通常重达千吨、长过百米，支承组数4～9档，是一种重载、大扭矩、多支点、超静定运行系统，运行中由于轴线变化导致载荷分配严重不均，引发多种机械故障与安全事故。

According to the results of strength analysis, combining with load spectrum tested on line, fatigue life analysis is executed by Fortran language based on IIW and BS Standards.

在静强度分析的基础上，结合实测载荷谱，用Fortran语言编程，应用IIW和BS标准针对该车典型的焊接接头比较了寿命的评估结果。

Based on the theoretical solutions developed herein, not only Q - s curve but also s - log curve obtained from field static load test of pile can be simulated.

通过与现有单桩沉降计算理论的对比和对实际单桩静力载荷试验结果的分析与比较，论证了本文理论解的合理性及应用价值。

The analytical solution for a water tank under hydrostatic pressure proved to be accurate.

Sapountzakis等[6]分析了在静力横向与面内载荷的带肋板。

On the basis of analyzing forces on the self-supported column,the superposition method in mechanics of material was used to calculate the steady deflection at top of the high column under both of weight and distributed wind pressure.

在对自支承式塔设备建立合理的力学模型并进行受力分析的基础上，采用材料力学中的叠加法，计算了高塔设备在均布风载荷、自重联合作用下的塔顶静挠度，提出对于自重和长细比均较大的高塔，塔体自重对塔顶挠度的影响不可忽视，并推导出了计算这种影响的表达式。

In this thesis, the application of FEM in the special cars frames has been studiedIn the chapter 1 of this thesis, the basic principle of FEM is introduced, and the application of FEM in static and dynamic analysis of a car frame is discussed briefly, considering its structure and load properties.

本文结合工程实例，对特种车车架的有限元静力、动力分析作了一些探讨。本文第一章介绍了有限元法的基本思想，并结合汽车车架的具体结构和载荷特点，对利用有限元法进行静力、动力分析的有关问题进行了阐述。

The superposition method in mechanics of material and a MATLAB Procedure was used to calculate the top deflection of tall tower under both of weight and wind pressure.

采用材料力学的叠加法和自编的MATLAB程序，计算了高塔设备在风载荷和自重联合作用下的塔顶静挠度，并推出了考虑自重影响时塔顶静挠度的计算公式。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。