弹性沥青

It is therefore unreasonable to expect to be able to predict bitumen resp

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 order to explore the inherent laws of anti-rut performance of asphalt concrete reinforced with different position grid, the 10 cm depth test mould is utilized to test anti-rut performance of asphalt concrete with different position grid, then creep parameters are obtained by actual experiment, and viscoelasticity finite element model is established to commutate the biggest shearing stress of different depth wheel tracking model.

为探索格栅层位对加筋沥青混凝土抗车辙性能影响的内在规律，采用10 cm深车辙试模对不同格栅层位的沥青混凝土进行车辙试验，实测蠕变参数，建立粘弹性有限元模型，对不同深度的车辙模型进行最大剪应力计算，最后将二者对比分析。

Through the test, we have obtained the decay law of the modified bitumen and analyzed the cause of its alternative temperature change.

通过模拟SBS改性沥青在生产、施工临时存储时的状况，对改性沥青的针入度、软化点、延度、弹性恢复等主要性能指标进行了全面试验，获得了交替升温时改性沥青的性能衰变规律，并分析了其性能衰变原因。

Calculating the pavement fragment adoptioning contradicting -cleft -glue and glass fiber grille ,deal with the existing crevasse, at kaminaka surface layer install rubber asphalt water proof adhesive layer , at the same time guarding against water coming into nakashita surface layer、enhanced interlamination bonding ...

论文进行橡胶沥青混合料的主要试验内容有：1、根据京秦高速公路管理处提供的石料进行目标配比设计；2、进行混合料马歇尔击实及相关性能试验确定最佳油石比。3、根据冷料配比进行热料仓筛分，确定热料仓配比；4、根据热料仓配比进行马歇尔击实试验。4、进行混合料的路用性能试验，分析橡胶粉的掺入对沥青的高低温性能、弹性性能、抗老化性能的改善情况，分析橡胶粉的掺量、目数、胶源、加工工艺和基质沥青对橡胶沥青性能改善的影响程度。

The subject of this study is mainly to investigate the effect of improving the property of common asphaltic mixture when an appropriate amount of waste rubber powders are added on resisting low temperature cracking with the split cylinder test, the little beam bending test, the bhringkage test and unconfined compressive stress test of laboratory-compacted specimens.

本研究主要应用劈裂试验，小梁弯曲试验，收缩试验和无侧限抗压试验考察了在普通沥青混合料中掺适量废胶粉后对低温抗裂性能的改善效果。试验结果表明：掺3—5％的废胶粉，可以降低沥青混凝土的低温弹性模最和增大其变形均达1—3倍，玻璃化转变温度也比普通沥青乱凝土的低10℃以上。

Based on above study, a new type of two-layer pitch polisher, which bottom material of is gelatinate harder pitch and top material of is gelatinate-sol softer pitch, has been used in super-smooth polishing of reflector for laser-gyro.

根据沥青的结构及粘弹性特性，在超精密光学抛光中首创设计使用了双层结构的沥青抛光模，底层为凝胶结构的沥青，表层为软韧润滑性好溶—凝胶结构的沥青。

Through the helminthes examination, according to the numerical Analysis, we get the detail parameters of the four-asphalt-mixed viscous elasticity. Through the mixed asphalt"s temperature-time effect, we get four materials" viscous elasticity in different temperature.

通过室内蠕变试验，运用数值分析手段得到了四种沥青混合料的一维粘弹性本构模型的具体参数，利用沥青混合料的温度时间效应的得出了不同温度四种材料的粘弹性本构模型参数。

Dynamic Mechanical Analysisis one ofdynamic thermal machinism analyse technology,measuring changes of viscoelastical parameters alongwith temperature or frequency under vibrative load.DMA estimates various performances of viscoelasticalmaterial,using rheological index.

简要阐述了DMA的原理，论述了用DMA方法进行沥青材料性能研究的优越性，结合具体实例阐述该方法在研究沥青及沥青结合料的粘弹性、高温性能、疲劳性能和低温性能等方面的应用，以及DMA方法用于测定沥青零剪切粘度的方法介绍。

The characteristic of the visco-elastic models and the damage models have been analyzed by the SBS modified asphalt mixture monaxial tension tests ,and coupling becomes visco-elastic and damage models in succession.

通过SBS改性沥青混合料的单轴拉伸试验，分析了粘弹性模型与损伤模型的特性，并耦合成粘弹性连续损伤模型；从能量的角度考虑了SBS改性沥青混合料的疲劳损伤特性和损伤效应，并建立了一种与拉伸应变水平相关的疲劳损伤模型。

The paper relying on project practice of the express highway from Taiyuan to Changzhi of Shanxi Province, according to demanding of "Technical Specifications for Construction of Highway Asphait Pavements ", combining with own region climate characteristic and concrete design, and construction request, it has carried out SBS modified studying on shell-90# asphalt, so drawing a conclusion: 1. Having studied the quantity of SBS modifier"s effect on the temperature sensibility, the high temperature stability, the low temperature resistance to cracking , elasticity and the durability of asphalt ,meanwhile, having studied the quantity of SBS modifier"s effect on the water stability, the high temperature stability , the low temperature resistance to cracking of asphalt mixture, having compared SBS modified bitumens various function. As a result ,when the amount of SBS added is 5%, every function is comparatively even.

本论文依托山西省太—长高速公路建设的工程实践，按照《沥青路面施工技术规范》的要求，结合本地区的气候特点和具体设计、施工要求，对壳牌90#沥青进行了SBS改性研究，得到如下结论：(1)研究了SBS改性剂用量对沥青的温度敏感性、高温稳定性、低温抗裂性、弹性及耐久性的影响，同时研究了改性剂用量对沥青混合料的高温稳定性、低温抗裂性和水稳定性的影响，比较了SBS改性沥青的各项性能，结果表明当SBS掺加量为5%时，各性能较为均衡。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。