宽带网络安全攻防

安全稳定的网络是企业运营服务用户的基础,合理利用已有设备建设安全稳定的网络是我们的任务。主要介绍3种网络攻击及防范措施,并结合本地互联网情况,在路由器NE40或者ME60设置防范措施,保证区域内的网络安全,提高网络的抗干扰能力。     

高寒地区沥青路面主导病害调研与分析

以高寒地区沥青路面病害调研资料为基础,对高寒地区沥青路面病害进行特征描述与原因分析,归纳总结出该类地区沥青路面的主导破坏形式,对高寒地区沥青路面结构与材料的研究工作具有指导作用,同时对类似地区公路建设中沥青路面结构与材料设计也具有借鉴作用.     

大风地区施工降效增加费用测定与研究

根据《铁路基本建设工程设计概(预)算编制办法》风沙地区施工增加费的相关规定,大风高发月风力及其累计时间达到标准规定的数值时,可根据调查资料另行分析计算相关费用。为研究不同风力条件下施工降效程度,合理确定施工增加费提供数据支撑,以西北地区某新建铁路工程为依托,通过对现场风力监测,以及不同风力条件下各施工工序人工和机械消耗量现场测定,研究分析施工降效程度和增加的费用。可为其他项目风沙施工增加费的分析提供技术参考。     

Characteristics of household activity and travel patterns in the Mumbai metropolitan region

Activity-based modelling approaches require a typical survey instrument which can collect the finer details of activities of each individual over both time and space. This paper focuses on the design of a new survey instrument called an activity-travel diary; examines its method of administration; and analyses activity-travel behaviour in the context of developing countries. The Mumbai Metropolitan Region in India is selected as the study area. With the aim of understanding the activities of each individual over a period of time, a pilot survey was conducted in a continuous time frame for a period of 15 days, followed by a main survey. The analysis of data collected by the instrument reveals some interesting facts regarding the relationships between socioeconomic attributes, activities and trip making behaviour. Identification of interactions among households and other members were also facilitated by the newly designed diary, which is not a well-versed topic for research in the context of a developing economy like Mumbai's.     

武汉四新地区竖向规划

一个地区的开发建设必须要有一个合理详细的竖向规划做指导。该文以武汉四新地区为例,针对武汉四新地区水系发达、地势较低等特点,详细地介绍了片区竖向的规划过程,为片区道路和场地竖向设计提供依据。     

滑坡与塌岸防治工程的设计

介绍三峡库区巴东黄土坡滑坡区滑坡与塌岸防治工程设计,提出地质灾害防治的新思路。     

三峡库区某港区滑坡体的治理

简要介绍三峡库区某港区滑坡体的分析、治理情况，可为三峡库区类似高边坡地质条件下滑坡的预防及治理提供借鉴。     

基于区域计算机联锁的TDCS的构建

重点介绍了基于区域计算机联锁的TDCS的结构、整体方案,并描述了区域计算机联锁系统下运输组织的变化及在此变化下TDCS功能的一些新特点、新功能.     

Region of attraction analysis for nonlinear vehicle lateral dynamics using sum-of-squares programming

In this study we will estimate the region of attraction (RoA) of the lateral dynamics of a nonlinear single-track vehicle model. The tyre forces are approximated using rational functions that are shown to capture the nonlinearities of tyre curves significantly better than polynomial functions. An existing sum-of-squares (SOS) programming algorithm for estimating regions of attraction is extended to accommodate the use of rational vector fields. This algorithm is then used to find an estimate of the RoA of the vehicle lateral dynamics. The influence of vehicle parameters and driving conditions on the stability region are studied. It is shown that SOS programming techniques can be used to approximate the stability region without resorting to numerical integration. The RoA estimate from the SOS algorithm is compared to the existing results in the literature. The proposed method is shown to obtain significantly better RoA estimates.     

论述不同地质吹填区域采用不同强夯方式的地基处理

分析了吹填形成的码头堆场地质构成及强夯地基处理方式的特点,针对鲅鱼圈港区吹填形成的不同地质构成区域特点,介绍了防止大面积堆场产生不均匀沉降所采取的强夯处理措施。