泡沫沥青冷再生施工技术节能减排效益分析

泡沫沥青冷再生施工作为一种路面废旧材料再生利用新型冷再生技术,其混合料除了具有良好的路用性能,施工中还可以起到明显的节能减排作用,是发展循环经济、创建环境友好节约型社会的重要举措,目前已开始得到应用和推广;通过对泡沫沥青冷再生施工技术节能效益分析,了解其节约资源、保护环境、减少污染、降低造价等优点。     

Tradable credits for managing car travel: a review of empirical research and relevant behavioural approaches

Recently, there has been a surge of interest in Tradable Credits (TC) as an alternative measure to manage the growth of personal car use. This paper summarises the results and methodologies of studies that have sought to anticipate the behavioural responses to several proposed TC schemes that target personal travel. In a critical reflection on this work and in an attempt to inspire future research, we argue that future empirical studies on TC behaviours can greatly benefit from insights from the fields of behavioural economics and cognitive psychology. Therefore, in the second part of the paper, we bring together behavioural concepts from these fields that are relevant in a TC decision-making context. Based on observations from current TC studies and the behavioural mechanisms identified in the second part of the paper, we propose promising directions for future research on understanding the impact of TC on personal car travel.     

高速公路改扩建工程中的环境保护

通过对高速公路改扩建工程环境保护的研究,文章首先分析改扩建工程中环境保护的必要性,并对高速公路改扩建工程中环境保护的具体内容进行分析,重点探讨高速公路改扩建工程中环境保护的具体应用,对某高速公路改扩建案例的深入分析,提出四大环境保护措施。     

道路运输行业安全监管现状分析及对策研究

结合道路运输行业安全监管现状,从道路运输行业安全监管职责和内容、监管方式、安全检查方面对道路运输行业安全监管存在的问题进行分析,并有针对性的提出了相应的建议和对策。     

Japanese perspective of driver information systems

A perspective view of of Japanese R&D activities of Driver Information Systems is given from the standpoint of developing joint projects by public and private sectors. First, a brief history of the R&D activities is illustrated from above mentioned standpoint. Then, two major projects, AMTICS and RACS, and the social backgrounds of these projects are explained. In order to give a clear idea of both projects some technical details are treated.Based on the history and the present status of the developments, the basic design conceptions of Japanese Driver Information Systems are explained and several factors or reasons which have influenced to the design conception are discussed. Then, the promoting systems of the R&D activities are generally explained and present status of the projects and future problems in developing more advanced systems are also handled. A brief discussion on the establishment of international standard is also mentioned as a final comment.     

表面改性纳米阻燃沥青最佳掺量及其性能表征

为提高阻燃沥青的存储稳定性及降低其对性能的影响至最小化,选择纳米阻燃材料并对其进行表面处理制备了新型纳米阻燃沥青。通过沥青基本性能（针入度、软化点、延度）及沥青氧指数试验确定了阻燃沥青的最佳掺量7%;随后借用扫描电镜及热分析试验仪器对阻燃剂的阻燃机理及改性特征进行表征。电镜结果表明,对非表面改性阻燃材料与表面改性阻燃沥青的微观结构对比发现经过表面改性的阻燃剂具有更佳的分散特性。而基于SBS改性沥青及其阻燃沥青的热重分析可知,添加阻燃剂可提高SBS改性沥青的热稳定性,添加阻燃剂后的改性沥青成碳量增加,主要是因为阻燃剂有助于沥青燃烧过程中形成致密炭层,阻碍氧气输入及外界能量的进入,隔断气体挥发物的逸出,实现阻燃及抑烟的效果。     

结合水对软土次固结特性的影响机制研究

结合水对软土的工程特性具有重要影响,为研究结合水对软土次固结特性的影响机制,选取天津软土为研究对象,开展了结合水的等温吸附试验及原状土和不同结合水含量下重塑土的固结蠕变试验.从结合水角度对原状土的固结蠕变特性进行了探讨,并就结合水类型及含量对重塑土蠕变特性的影响机制进行了研究.研究结果表明:等温吸附试验中90％相对湿度...     

基于性能演变的水性环氧沥青开普封层施工方法优化

为进一步提升水性环氧沥青开普封层使用品质,针对水性环氧沥青开普封层施工现存问题,借助有机玻璃界面状态图像观测与层间剪切试验,研究了不同固化状态下碎石封层黏结性能,提出了水性环氧沥青碎石封层两阶段分步式压实方法;系统分析了微表处摊铺时机对碎石封层沥青-碎石黏附与层间黏结性能的影响程度,探究了微表处开放交通时间与交通荷载对...     

电动汽车充电设施现状及发展趋势

利用可再生能源已成为了世界的重点.电动汽车由于低碳环保,是汽车产业的的未来发展趋势.与电动汽车配套的充电设施必须与之保持同步,电动汽车的发展才能不受制约.为此,本论文重点研究了电动汽车充电设施的现状和未来的发展趋势.     

探索新能源汽车充电设施的电气设计

现如今,新能源电动汽车充电装置电气设计,得要顺应现代化实际需求与发展趋势.在后期发展阶段之中,新能源汽车会引领着整个汽车行业的发展,当然也可以凸显出节能减排、绿色出行的优势.因此在新能源项目发展阶段之中,针对新能源汽车充电设施实施电气设计至关重要.鉴于此,本文主要分析新能源汽车充电设施的电气设计.