Tạp chí Giao thông Vận tải

Determined to handle the remaining problems of the Sector

PHÚC HIẾU — 2014-09-04

Meeting of the Editorial Council of the Transport Journal for 2014

VIỆT CƯỜNG — 2014-09-04

The over-loading problem: Need to remove hard bottlenecks

NGUYỄN NHÂM — 2014-09-04

Overcoming the wheel rutting problems on asphalt pavements: Need to have an integrated solution

NGUYỄN NGỌC LONG — 2014-09-04

Some discussions on the work of asphalt pavement construction quality control and premature wheel ruttings

TRẦN THỊ KIM ĐĂNG — 2014-09-04

There are many causes of asphalt pavement rutting have been listed, discussed and verified. It is normally mentioned external factors, such as hot weather due to global warming, and overload vehicles. This article honestly does not nagate the impacts of these external factors, also not includes hide meaning that the external factors are not important. It raises a new approaching from asphalt pavement contractors, is self-criticsism to improve the internal factors, as the ancients' statement of "know your own faults first,...", is quality control by-self of contractors. This seems an effect weapon for the contractors self-protecting and self-saving in the such hard period of working conditions.

Styrene - Butadiene - Styrene effects to the technical criteria of asphalt 60/70

NGUYỄN MẠNH TUẤN — 2014-09-04

These days, there are many new materials used in asphalt concrete pavement, especially polymer modifiers, but their effects are not enough good. As a result, a well-known polymer modifier in asphalt in the world which is Styrene-Butadiene-Styrene (SBS) is used with asphalt binder 60/70 in this study. Some main properties of polymer modifier asphalt such as penetration, softening point, elastic recovery, kinematic viscosity, storage stability, and adhesion are tested with four percent of SBS such as 2, 4, 6, and 8% in order to analyse the effect of SBS percent to asphalt properties. This paper also shows the mixing procedure of SBS and asphalt binder with penetration grade of 60/70 by using high speed rotating mixer.

Determining a current diagram of calculating water accumulation of road drainage works

DƯƠNG TẤT SINH — 2014-09-04

This paper presents some research results on the effection of air - fuel ratio (A/F) to NOx emission from marine diesel engines and based on which suitable operational ranges have been found to reduce enviromental pollution.

A number of available damage causes to asphalt pavements in the South and orientations for settlement

NGUYỄN THỐNG NHẤT — 2014-09-04

The article introduces the popular forms of corruption on asphalt pavement on national highway in the Southern area. Among the reasons of the corruption on the asphalt, the main reason is from the over loading capacity and the high temperature road surface. Some petitions in designing, constructing exploitation are given with the purpose of reducing the corruption on the asphalt pavement in the Southern area and improving the life service, duration and the effectiveness of asphalt pavement.

Maths model hanged alluvial current caused by ship propeller

NGUYỄN NGỌC HUỆ — 2014-09-05

Normally the sedimentation of ship channel is determined based on math models on current field, wavy field and silt movement to forecast the channel sedimentation caused by sea wave, alluvia currents from rivers. However, the hanged alluvial volume created by ship operation has not been considered in research aspect of math model. As the result of math model research on hanged alluvial current caused by ship propellers exposes that the volume of sedimentation created by ships in channel is remarkable and this figure must be considered when the forecast, observation and planning for annual maintenance dredging is made.

Study on determining the bearing capacity of foundation stabilized with cement soil columns applying for road and bridge works

PHẠM VĂN HUỲNH — 2014-09-05

Using soil cement column to stabilize soft soil or making the foundationof constructions become more popular. However, the currently caculating viewpointsis not clarify the theoretical basis of limited stress so that a assumption of failure zoneis proposed to build formular for determining the load capacity. This paper analyzesthe shortcomings in calculating the limited strength of soil stabilized with cementcolumn, since then building a mathematic model to identify the bearing capacity ofsoil stabilized with cement soil column.

Determining effects of biodiesel B10 and B20 to the economic, energy and environmental criteria of diesel engines B2 on AVL-ETC testing basin

PHAN ĐẮC YẾN — 2014-09-05

This paper presents the test results to determine the effect of biodiesel blends B10, B20 to Performance Parameters of B2 Diesel Engine on AVL-ETC testing basin.

Studying effects of air-energy rates to the Nox emission contents in diesel ship engines by Ricardo wave software

HOÀNG VĂN SĨ — 2014-09-05

Assessing separation of sub-grade images of automobile wind screen glass by experimental method

ĐẶNG VIỆT HÀ — 2014-09-05

Automotive safety glass is one of the important components to ensure to shield ability and protect people and goods. As for the car's windshield is required to ensure optical quality is very important. This article refers to studies evaluating Secondary-image-separation of the windshield.

Research on the effects of flexible hydraulic pumps in line with loads to parameters of hydraulic system.

PHẠM TRỌNG HÒA — 2014-09-05

Flexible hydraulic pump in accordance with load are often using on the modern construction machines. The hydraulic transmission system with LS pump allows us improve energy efficiency, increase productivity and the quality of work. The article present a summary of the results in the study of the dynamic of flexible hydraulic pump in accordance with load on the construction machines.

Determining stability of biodiesel B10, B20 produced in Viet Nam during long storage by experiments

NGUYỄN HOÀNG VŨ — 2014-09-05

Some studies have been published showing that biodiesel blends B10, B20 should only be used for a period of 06 months after mixing due to the limited stability of the fuel blends. This will directly affect to the storage time of biodiesel blends B10, B20 when uses for road motor vehicles. paper presents the results of experimental studies assessing the stability of biodiesel blends B10, B20 producted in Vietnam, in terms of practical use, by experiment.

Selecting appropriate accounting software for enterprises in the Transport Sector

NGUYỄN VĂN ĐIỆP — 2014-09-05

Currently, most business enterprises are using accounting software for accounting, it brings a lot of utility for the user. On the market there are many providers of accounting software, software selection in accordance with the conditions of production and business enterprises are the first thing to do when the business wants to use accounting software. The article refers to the four basic content: accounting software and operating model, the criteria used to select accounting software, the actual use of current accounting software and a limited number of common experience of accounting software.

Analysis of freight and costs of freight transport modes in Viet Nam

NGUYỄN THỊ BÌNH — 2014-09-05

The study was conducted with the main objectives as follows: Analyzing the fluctuation of the price of freight transport by road and its causes; Compare the unit freight transport price among three main modes (road, inland waterway and railway), and compare this to the one of some countries in the world. Based on these findings, some recommendations to improve the efficient operation of the freight transport system in Vietnam will be given.

Current situation of implementing the SOLAS Convention relating to sea search and rescue operations in Viet Nam

VISHIPEL . — 2014-09-05

Initial outcomes of the study of assessing affects of climate changes and sea-water rise to road transport activities

VIỆN KHOA HỌC VÀ CÔNG NGHỆ GTVT — 2014-09-05

Tracosin, 10 years of a stage

TRƯỜNG THỌ — 2014-09-05

Documents & Policy

BBT . — 2014-09-05