弹性沥青

It is therefore unreasonable to expect to be able to predict bitumen response to loading from a simple assumption of elastic behavior.

因此，不合理的期望能够预测沥青回应载入中从一个简单的假设弹性的行为。

In this paper,Burgers model is employed for the analysis of the dynamic experimentalresults of bituminous mixtures.

本文将Burgers模型作为沥青混合料的粘弹性本构模型，提出了一种根据动态试验结果确定Burgers参数的方法。

The bituminous pavement structure has obvious mechanics character of visco-elastic and it can be considered as a field in natural world.

沥青路面结构具有明显的粘弹性力学行为，并可以将其视为位于自然界中的一个系统。

The cyclical pulse load consisting of a haversine load time and a rest period is adopted to simulate the actual vehicle load, and the permanent strain model under the repeated load is derived from the rheological and viscoelastic theories.

采用半正矢波间歇荷载模拟实际轮载作用，综合运用流变学和粘弹性力学理论推导了周期性荷载作用下沥青混合料永久变形的力学模型。

Micromechanics theory was employed to investigate the effect of coarse aggregates and air voids on asphalt mixtures' viscoelasticity.

利用细观力学方法分析了粗集料和空隙对沥青混合料的粘弹性能的影响。

The finite element analysis models of linear elastic fracture with 20-nodes substance element and cracking singular element were established.

提出采用20节点等参单元、裂缝奇异单元，建立了铺装层线弹性断裂力学有限元模型，通过裂缝尖端应力强度因子的计算，研究了钢桥面沥青铺装层破坏情况对裂缝扩展的影响。

Finally, the multi-layer elastic system theory is employed to analyze the pavement response under the nonuniform load.

最后根据叠加原理，利用弹性层状体系理论对非均布荷载作用下的沥青路面进行计算分析。

It can be mad into elastic cement, which can be used as coating on the deck of vessel, and may also be applied to treatment of walls and floors in buildings, waterproof layer, fiber osmosis and bitumen modified.

CRL50LK型胶乳具有优良的机械强度，与水泥、纤维、钢板有较好的粘合力，可制成弹性水泥，用作船舶甲板敷料，还可用于建筑业墙壁及地下工程防水层，以及纤维渗浸、沥青改性等。

The surface on the steel bridge is easy to damage early than estimate years.The distress types in steel bridge surfacings include permanent deformation,cracking,formation of mounds and disintegration.The text analyses the vertical section strain under tire location by use of the finite element method and calculates the influence of stiffness variance of translate bonding layer on the surfacings of steel bridges.

中文摘要：钢桥面沥青铺装层在使用一段时间后容易出现开裂、脱层以及车辙等早期破坏现象，采用空间有限元分析方法对车轮荷载位置处的截面竖向应变进行分析，计算了过渡粘结层刚度变化时对钢桥面铺装层受力变化的影响，计算结果说明对传统的弹性层状计算理论的假定与实际受力情况存在较大差异。

According to investigation results of slippage damage between base course and surface course in semi-rigid base asphalt pavements , damage characteristics and causations are analyzed , preliminary countermeasures are put forward ; Based on elastic multi-layer theory with Bisar programme used as calculation tool , shearing strength between base course and surface course and its influencing factors and regulations are analyzed ; DLG-A testing instrument is self-developed , through contrast tests and orthogonal experiments , skidresistance ability between base course and surface course is researched under conditions of different base courses , surface courses , gradations , disposal measures and temperature conditions .

论文根据半刚性基层沥青路面基面层滑移病害的调查结果，分析了病害特征和原因，提出了初步对策；以弹性层状体系理论为基础，以Bisar程序为计算工具，分析了基面层间剪应力以及影响基面层间剪应力的因素和规律；自行开发了DLG-A路面材料剪切试验仪，通过对比试验和正交试验，研究了不同基层和面层类型和级配、层间处理措施以及温度条件下的基面层间抗剪切能力，在此基础上。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。