Road maintenance

The research have determine that vehicle encounter at sudden obstacle on the road, inevitably is making the need for driver to roll steer wheel of the tested vehicle, in order to maintain rectilinear movement which is significant not only for dynamic of mentioned system but for road maintenance too.

10p vifriedrich 06-09-2023 3 2   Download

Experience from countries over the world shows that if road management and maintenance are not paid due attention, it will result in loss of national assets. The article clarifies the factors that influence the quality of traffic works causing loss of road maintenance costs.

11p vipatriciawoertz 26-05-2022 13 1   Download

Effectively using Road Maintenance Fund, ensuring the publicity and transparency are the important objects in the road maintenance. For past five years, the exploitation and maintenance activities of road have achieved many objective results, especially in capital mobilization. However, due to the lack of regular maintenance capital, the capital mobilization faces a lot of difficulties.

14p visherylsandberg 18-05-2022 9 1   Download

The thesis aims ate systematizing, supplementing and clarifying the basic theories for road construction maintenance contract; referring to other nations’ experiences; and concurrently, bases on analysis and evaluation of existing management for road constructions in Vietnam, work out and propose solutions to improve the Management for road construction maintenance contract in Vietnam.

33p trinhthamhodang7 31-08-2020 25 1   Download

This article aims at identifying the impact of transportation system in developing countries. It discovers that good road networks, maintenance and revamping of public transport systems can help reduce this collision. It concludes that if these nations can adopt a proper and efficient transportation policy framework, their successes economically and otherwise will be immeasurable.

12p cleopatrahuynh 01-06-2020 23 0   Download

Basic bridge terms, bridge construction, structural analysis, intersection design, road construction and maintenance,... as the main contents of the document "English for Road and Bridge Engineering". Invite you to consult. Hope content useful document serves the academic needs and research.

61p hoccom001 27-01-2016 77 0   Download

Nội dung bài giảng trình bày: Overview of HDM-4, Application of HDM-4 in Vietnam, Pitfalls of HDM-4 Strategy Analysis, Pitfalls of HDM-4 Project Analysis, Future Directions of Using HDM-4 in Vietnam.

11p uocvong07 27-10-2015 73 3   Download

In recent years, a major emphasis has been put on the maintenance of existing road network of Vietnam in an appropriate and systematic way through various major projects such as the Highway Management Capacity Improvement Project (HMCP, 2002), the Road Network Improvement Project (RNIP, 2003), and the Third Road Improvement Project - Implementation of Sector Development Policy (ISDP, 2005).

21p uocvong07 27-10-2015 64 2   Download

The paper presents a systematic approach to find optimal maintenance strategies for pavement management systems by using the World Bank’s Highway Development and Management System (HDM-4) combined with gradient methods proposed by Tsunokawa et al (2005). The optimal maintenance strategy is defined as the set of optimal maintenance options corresponding to different traffic levels and various initial pavement conditions, which minimizes the sum of agency costs and road user costs in present value or maximizes the net benefit to society over an analysis period.

14p uocvong07 27-10-2015 52 2   Download

A prototypical problem road agencies are faced with is to find the optimal application schedule of maintenance works for a given road section. To solve such problems what-if models such as the road transport investment model (RTIM), the highway economic requirements system (HERS), and the highway development and management tool (HDM-4) are widely used to predict the consequences of different maintenance options.

12p uocvong07 27-10-2015 48 2   Download

The hard surfacing material required for the roads can be extracted in the hilly area to the east of the Boa Plain. It is proposed that a project manager with a wide international experience of planta- tion crop development be appointed to direct the operation and ensure that i t func- tions efficiently. He should be assisted by a field manager with a sound experience of oi l palm and rubber planting to ensure a high standard of crop establishment and early maintenance. Estate managers would be appointed during the development phase to gain experience.

30p thieubaotrang 23-04-2013 59 2   Download

The maintenance of road pavements in England has become a costly necessity, due largely to the large volume of commercial vehicles using the roads which cause pavements to deteriorate quickly, and makes their repair more difficult to carry out. These roadworks incur not only direct works costs, but also indirect costs from factors such as congestion, motor accidents and pollution. There is obviously a need for cost-effective maintenance that minimises the occurrence and duration of these disruptions.

381p ngocdbk50 25-03-2013 70 12   Download

The Department of Transportation, for example, does not fully consider how increased investment in passenger or freight railways might alleviate the need for additional road and highway expenditures, and does not coordinate the landside port improvements it funds with Army Corps of Engineers waterside invest- ments at the very same ports.

282p enterroi 02-02-2013 50 5   Download

There are 4 million miles of roads in the United States. One hundred years ago, roads were primarily unpaved and had half the number of miles of the present U.S. road system. As the system grew, roads became wider and more complex structurally to provide for more and heavier traffic. New construction technology and greater structural stability were needed to improve the road system. All phases of road development—from construction and use by vehicles to maintenance—affect physical and chemical soil conditions, water flow, and air and water quality.

44p camchuong_1 11-12-2012 54 3   Download

Social funds are expanding in all parts of the developing world. The attractive feature of social funds is that they use the comparative strengths of each of the government, private sector, and community organization partners and coalesce them into an integrated whole. The communities identify, design, and help implement projects such as schools, health clinics, roads, and water supply that will serve their needs. The govern- ment provides financing, monitors and supervises the projects, and en- sures that the operation and maintenance of these facilities is adequate.

60p thangbienthai 22-11-2012 53 4   Download

From "Zen and the Art of Motorcycle Maintenance" to "The Motorcycle Diaries", to be a biker is to be on the road to the meaning of life. From ethics to existentialism, motorcycling raises some of life's biggest questions. What should our attitude be towards danger and death? Does riding shed any light on the nature of reality? Do we have any obligations towards the environment, humans and other animals? And can motorcycles be as much a work of art as a Michelangelo painting? Philosopher and motorcyclist Craig Bourne answers all these questions and more in this stimulating road trip through...

220p transang5 23-10-2012 77 16   Download

This is a comprehensive, problem-solving engineering guide on the strategic planning, development, and maintenance of public and private transportation systems. Covering all modes of transportation on land, air, and water, the Handbook shows how to solve specific problems, such as facility improvement, cost reduction, or operations optimization at local, regional, national, and international levels.

937p kennybibo 14-07-2012 136 38   Download

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Assessment of skeletal muscle fatigue of road maintenance workers based on heart rate monitoring and myotonometry

9p panasonic09 13-01-2012 37 2   Download

Elsevier Butterworth–Heinemann 200 Wheeler Road, Burlington, MA 01803, USA Linacre House, Jordan Hill, Oxford OX2 8DP, UK Copyright # 2004, Elsevier Inc. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. Permissions may be sought directly from Elsevier’s Science & Technology Rights Department in Oxford, UK: phone: (þ44) 1865 843830, fax: (þ44) 1865 853333, e-mail:...

30p hiruscar 13-10-2010 96 27   Download