沥青

The performance indexes of gutta-percha sulfide modified asphalt samples with different proportion were detected,the optimum proportion and modified effect were discussed.

通过对掺加不同比例硫化杜仲胶的改性沥青进行性能指标检测和对比，讨论了硫化杜仲胶改性沥青的最佳配比以及具体的改性效果，并通过混合料试验进行了验证。

The result shows that WMA with and without modifier can reduce energy consumption 28.7% and 22.9% respectively comparing with the corresponding HMA.

计算结果表明：改性和未改性的温拌沥青混合料可分别比相应的热拌沥青混合料节约能耗28.7%和22.9%。

Based on freeze thaw cycle indirect tensile test, a further study of moisture susceptibility for some familiar graded HMA mixtures is carried out through modification of immersion conditions, and a new method of ...

本文以劈裂试验为基础，通过对浸水条件的改进，进一步深入地研究了几种常见沥青混合料的水稳定性，提出了以真空循环饱水条件下的沸煮劈裂试验的残留稳定度来评价沥青混合料的水稳定性。

The dynamic stability is better than that of HMA under the same ratio of asphalt With a lower mix temperature, the mechanical property and pavement property of WMA can meet the requirements of the specifications, and the dynamic stability gets higher.

在降低拌和温度的情况下，温拌沥青混合料的力学性能和路用性能可以满足规范要求，并且动稳定度得到提高，温拌沥青混合料具有很好的工程应用前景。

Because the HMA fatigue limit is the theoretical base of perpetual pavement design, to grasp the strain distribution and strain action of HMA layer is key for perpetual pavement design.

沥青混合料疲劳极限的存在是永久路面结构设计的主要理论依据，因此掌握沥青层底应变的分布和应变行为规律是永久路面设计的关键。

He TLA modified asphalt mixture has excellent performance at high temperature, the capacity of moisture-resistance damage and impermeability.

LA改性沥青混合料具有优良的高温稳定性、水稳定性和抗渗性，可应用于我国高速公路沥青路面工程中。

Introduction of Product Modified cool.Self-viscous Rubber Asphalt Waterproof Coiled Materials are maninly compossd of high-grade SBS asphalt,SBR and other flexble materials intermingle d thickener,viscosity increaser and intensifier.polyethy lene and foil

冷自粘橡胶改性沥青防水卷材是以优质沥青SBS和SBR等弹性体材料为基础并掺入增塑剂、增粘剂和填充剂，采用聚乙稀、铝箔为表面覆盖材料或无覆盖材料而制成的可自行粘结的防水卷材。

The actual cost incurred by them, additionally, on Bitumen, based on prices published by ICTAD or

按建筑培训与发展协会公布的沥青价格计算，实际增加的沥青成本，或

Based on the fracture mechanics approach, the finite element method analyzed a varity of the stress intensity factor at the pavement crack tip when setting fiberglass-polyester paving mat, and the effect of the stress intensity factor in symmetric load and asymmetric load was studied when the asphalt layer modulus, thickness of semi-rigid base, the the depth of the crack, touch condition, interlay modular, etc., changed.

基于断裂力学的方法，采用ANASYS软件模拟沥青路面典型结构，分析了设置聚酯玻纤布夹层后，在正载和偏载作用下，裂缝尖端应力强度因子的变化，研究了沥青层模量、基层厚度及裂缝扩展深度等结构参量及层间接触条件和夹层模量对应力强度因子的影响规律分析结果表明，设置聚酯玻纤布夹层，可以有效防治荷载型反射裂缝的扩展。

The characteristics and performance of bituminous concrete and bituminous macadam are analyzed,and it is indicated that gap graded bituminous mixture has the merits of thermal stability and durability.

文章对混凝土和沥青碎石的特点及性能进行分析，指出以间断级配组成的沥青混合料具有热稳定性和耐久性的优点。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。