查询词典 asphalt

In the test of pavement design with hot recycled asphalt mixes, the content of recovered asphalt pavement is 40%, and the recovered asphalt pavement was added in new aggregates, new asphalt and rejuvenator. They were mixed in the certain temperature at central plant.

再生沥青混合料配比设计实验是沥青刨除料的添加量为40%，再拌入新集料、新沥青和再生剂，进行热搅拌得到再生沥青混合料。

Road Products business unit Acting Anti-stripping of asphalt, asphalt emulsifier, to taste asphalt of the road with wood fiber, polyester fiber road, asphalt Transporter release agent, and other products.

路用产品部门主要代理经营沥青抗剥落剂、沥青乳化剂、沥青去味剂、路用木纤维、路用聚酯纤维、沥青运输车脱模剂等产品。

For the benefit of practical project, 0℃ apparent viscosity, which was employed to appraising low-temperature flowability of asphalt, and viscosity-temperature index, which was employed to appraising temperature susceptibility of asphalt, were put forward. By comparing with practical conditions of various asphalt which is produced in various place and is made through various craft, by comparing with SHRP and other evaluated method of asphalt and by comparing with the property of asphalt mixture, the exactness and susceptiveness of 0℃ apparent viscosity and viscosity-temperature index was verified.

为了工程实际的应用，提出了采用0℃表观粘度评价沥青低温流动性和粘温指数评价沥青的感温性的指标，并通过与多种不同产源、不同炼制工艺的沥青实际使用情况相比较、与美国SHRP计划和我国"八五"攻关推荐的沥青低温评价方法、沥青其他低温评价方法以及沥青混合料的低温性能相比较，证明了0℃表观粘度和粘温指数在评价沥青低温性能时的准确性和敏感性。

According to many years asphalt pavement construction experience of the author and combining with Technical Specification for Construction of Asphalt Pavement,this passage makes brief introduction to the two asphalt pavement construction ways,e.g.using covering cloth and using hot-mixed asphaltic concrete so as to provide reference for people who work on asphalt pavement project.

文章根据作者多年来从事沥青路面施工的经验，结合《沥青路面施工技术规范》，对撒布法沥青路面面层和热拌沥青混合料沥青路面面层施工分别作了简要介绍，以便他人从事沥青路面施工时作参考。

First, the actuality of Jiangyin bridge's deck surfacing are reviewed. Improper materials and pavement structures, severe conditions, overload and heavy traffic are deemed to be the main factors which result to deterioration of the deck surfacing. Then, programme of local repair asphalt mixture design has been proposed. It is considered that epoxy asphalt mixture and guss asphalt mixture are propitious to the local repair. The epoxy asphalt is also chosen as the adhesive layer material. Next, two pavement structures for steel deck plate surfacing have been tested. The most suitable asphalt surfacing structures have been proposed for the local repair. Finally, the elaborate local repair schemes of Jiangyin bridge's deck surfacing are proposed.

论文首先调查评估了江阴桥桥面铺装的现状，分析了江阴桥桥面铺装破坏的原因，认为材料及结构选用不当、使用条件苛刻、超载与大交通等是主要原因；其次对修复铺装混合料进行了配合比设计，认为优化后的环氧沥青混合料与浇注式沥青混合料适合于江阴桥的铺装修复，而粘结材料则采用环氧沥青粘结剂；然后参考国内外已有的桥面铺装结构组合，对两种复合结构进行了比较研究，提出了适于江阴桥桥面铺装局部修复的铺装结构组合；最后在各项研究的基础上，提出了江阴桥桥面铺装局部修复的具体方案。

Based on a simulation of asphalt mixtures' grade,asphalt binder content and air void in factual construction conditions,asphalt mixture samples at various segregation levels are obtained by gyratory testing machine,then integrated performances of asphalt mixture are tested.

在室内模拟试验中，考虑施工时混合料级配、用油量、空隙率等关键指标的变异性，采用旋转压实成型试件，定量测试真实离析水平下材料性能衰减程度。

The project was based on the influence to the asphalt mixture volumectric property by the different compaction method (Marshall Compaction, Roller Compaction, Gyratory Compaction, Vibratory Compaction), a great deal of the experiments has been done with the consideration of the pratical construction. A lot of studies were carried out, such as the study of asphalt mixture image inquiring technique--"Colour Method", the feasibility study of the application of the 2D digital image processing technique on the asphalt mixture and the utiliztion of this technique on the compacting properties analysis of asphalt mixtures. A good beginning and foundation was made for the application of the digital image processing method on the study of the 3D asphalt mixture voluemetric components constitute.

本项目以研究不同沥青混合料成型方法（马歇尔击实、轮碾压实、旋转压实、振动压实）对沥青混合料体积特性的影响作为切入点，结合实际工程，进行了大量试验，开展了&色彩法&沥青混合料图像获取技术研究、沥青混合料二维数字图像处理技术的可行性研究以及采用该技术分析沥青混合料压实特性等研究工作，取得了一系列研究成果，为采用数字图像处理技术解决三维沥青混合料体积组成特性开创了良好的开端，奠定了坚实的基础。

China's "Highway Engineering Technical Standards" will be divided into high-level road according to technical quality, sub-senior, middle and low-level four kinds, all kinds of road surface types are as follows: Senior Pavement - asphalt concrete pavement, cement concrete pavement, plant mix asphalt crushed stone pavement, stone pavement of rocks or neat; second high-level road surface - asphalt penetration-style pieces, gravel road, asphalt road debris, gravel road, asphalt road surface, Treatment, semi-neat stone pavement; middle road - broken, gravel (size distribution, or clay-bound) road surface, irregular stone pavement, other granular surface; low road - aggregates stabilized soil surface, and other local materials, reinforcement or improvement of soil surface.

中国《公路工程技术标准》将路面按技术品质分为高级、次高级、中级和低级四种，各种路面的面层类型如下：高级路面——沥青混凝土路面，水泥混凝土路面，厂拌沥青碎石路面，整齐石块或条石路面；次高级路面——沥青贯入式碎、砾石路面，路拌沥青碎、砾石路面，沥青表面处治路面，半整齐石块路面；中级路面——碎、砾石路面，不整齐石块路面，其他粒料路面；低级路面——粒料加固土路面，其他当地材料加固或改善土路面。

In order to find out the main influence factor to the water stability of granite asphalt mixture and make large-scale use of granite aggregate in asphalt pavement possible. dynamic shear rheometer was used to study the rheological properties of asphalt mastics with different granite powders and different filler-asphalt ratios to analyse the interaction ability between different granites and asphalt.

为了找出影响花岗岩沥青混合料水稳定性的主要因素，使花岗岩大规模应用于沥青路面成为可能，从花岗岩沥青胶浆着手，采用动态剪切流变仪，对不同花岗岩石粉、不同粉胶比条件下的沥青胶装进行流变性能的研究，以此分析不同花岗岩与沥青交互作用能力。

Finally, according to the characteristics of the cast asphalt concrete, modified asphalt SMA, epoxy asphalt concrete and steel fiber reinforced concrete, different pavement forms are made up and analyzed. Pavement form which consists of the cast asphalt concrete at bonding layer and epoxy asphalt at wearing course performs well. Then the rational height of the layers is analyzed and it is compared with the pavement form which use steel fiber reinforced concrete at bonding layer.

最后，根据浇注式沥青混凝土、改性沥青SMA、环氧沥青混凝土以及钢纤维混凝土的特性进行铺装结构形式组合，分析不同铺装结构形式的受力性能，得到下层浇注式沥青混凝土上层环氧沥青混凝土的铺装结构形式是一种良好的铺装方案，同时着重分析其上下层厚度的合理取值，并将其与钢纤维混凝土下面层的铺装结构形式进行比较。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。