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- To evaluate the carrying capacity of the existing AC pavement,the surface elastic deflection is measured using the Beckman beam or FWD,and the compositive elastic modulus can be calculated. The standard control value of the modules recommended is 188 MPa. 采用贝克曼梁或落锤式弯沉仪(Falling Weight Deflectometer;FWD);测定旧沥青路面表面回弹弯沉;计算综合回弹模量;来评价旧沥青路面承载能力;并推荐控制标准值为当量回弹模量宜大于188 MPa.
- When a transcrystalline layer of PEEK is formed around the fiber, the composite elastic moduli increase with increasing the thermal-cold cycle times at first, then decrease and tend to be constant. 当界面是聚醚醚酮球晶时,冷热循环不影响复合材料的弹性模量。
- Limit Method Analyze the Textile Structural Composites Elastic Modulus 机织复合材料弹性模量极值分析法
- composite elastic modulus 组合弹性模量
- The elastic modulus of foam core and composite skins and the stiffness of sandwich are analyzed. 分析了复合材料面层的弹性常数、泡沫芯层的模量和夹层结构的刚度;
- The hooping mechanism coefficient,theoretic formulas of the composite axis pressed elastic modulus were gained. 理论计算公式能够准确可靠地描述钢管混凝土构件在小变形下的弹性行为及套箍机理。
- The static elastic modulus of the alloy is lower than 30 GPa. 合金的静态弹性模量小于30GPa;
- And the polymer is an all-organic composite,with a very high dielectric constant(>900) and high strain induced in a weak applied electric field (2% strain in 13MV/m) and the composite has an elastic modulus near 1GPa. 而全有机复合材料则呈现出十分高的介电系数(>900),和在13MV/m的较低电场下形成的2%25的高应变量及接近1GPa的高弹性模量。
- The variation laws of dynamic elastic modulus and damping ratio for composite sample of cemented clay?clay are studied experimentally by means of triaxial apparatus. Emphasis is laid on the influence of replacement ratio and confining pressure. 通过动三轴试验研究了水泥土复合试样的动模量和阻尼比的变化规律,着重研究了置换率和围压的影响,提出了一种简单实用的计算复合试样动模量和阻尼比的方法,并给出了由试验确定的归一化公式。
- This paper predicts the thermal conductivities,elastic modulus and the thermal expansion coefficients of composite materials with small periodic configuration based on multi-scale method. 基于多尺度方法预报了周期性复合材料的热传导系数、弹性模量和热膨胀系数。
- The various types of stress, strain, and elastic modulus are summarized in Table 10-3. 各种应力、应变和弹性模量列于表10-3中。
- The larger the elastic modulus, the greater the stress needed for a given strain. 弹性模量越大,产生一定应变所需要的应力也越大。
- Based on the KED analysis,a design sensitivity analysis method for composite elastic linkages is obtianed by using the direct differentiation method. 本文针对一种凸轮连杆复合机构,在运动弹性动力学分析的基础上运用直接微分法得到该机构的稳态动力学响应灵敏度的计算方法。
- The ratio of stress to strain, or the stress per unit strain, is called an elastic modulus of the material. 应力与应变之比,即每单位应变的应力,叫做该材料的弹性模量。
- However, the elastic modulus of SCC is not significantly affected by S/A ratio when total aggregate volume is kept constant. 然而对弹性模数而言,当骨材总体积量一定时,改变混凝土含砂率对于弹性模数并没有太大的影响。
- The equivalent elastic modulus was deduced by comprehensive considering deflection and elastic modulus. 通过综合考虑挠度引起弹性模量和弹性伸长引起弹性模量推导出等效弹性模量。
- The effects of fiber distributing orientation and its length on elastic modulus of solidified resin are discussed. 依据复合材料相关理论预测了固化层片及固化零件的机械性能,如弹性模量、强度。
- The study shows that the elastic modulus of the unconsolidated rock is very low. 随着含水饱和度的增大,弹性模量减小,泊松比的变化规律不太明显;
- The elastic moduli Eijlm represents a tensor of the fourth order. 弹性模数Eijlm表示一个四阶张量。
- A tipless cantilever was used to measure the elastic modulus of the single voxel with the ellipsoid shape. 借助于原子力显微镜,选用无针尖探针对成型点的力学性能进行了测试,建立了椭球-平面接触的弹性力学模型。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 农业及相关产业增加值 - the added value of agriculture and related industries