Construction

Tunnels allow rapid and unobstructed transport facilities in big congested cities. Think the recent NorthConnex! Whilst considered an expensive solution, tunnels provide a protected system for the pavement, thus tunnels reduce the maintenance cost of the system, but there are wider considerations in the design, detailing, materials selection and construction...

Throughout Australia, concrete safety barriers are being used to improve the safety of existing roads and to provide a built-in safety feature in new roadways. When used as med ian barriers, their most common ro ]e, they minimise the risk of head-on collisions, the type of accident which accounts for...

Over the last twenty years municipal planners have gradually accepted the need to plan and implement cycleways for commuter and recreational use. This year saw the release of the new edition of Guide /o Traffic Engineering Practice. Bicycles by AUSTROADS. This technical publication was written with the cooperation of all...

The Adelaide City Council has recently made extensive use of concrete interlocking block paving in several projects. Landscape design principles were applied in the improvement of several inner-city, largely-residential streets where the aims were to improve their appearance and to make them safer for pedestrians. The two major projects were...

The AMCORD URBAN strategy of the 1990s highlights the need to offer greater and more cost-effective choice of urban housing of quality. Along with this need, the study recognised the relevance of infrastructure in terms of physical and social elements.

Concrete is being increasingly used in the Sydney area to provide a sub-base for flexible road pavements. Typically, the pavement comprises 150 mm of plain concrete sub-base beneath a conventional roadbase and a surfacing of asphaltic concrete. Figure 2 shows the general form of pavement construction. The concrete sub-base provides...

About 2700 delegates attended the five-day Congress which consisted of plenary sessions, committee reports and technical tours. The Association’s national infra— structure engineer attended the Congress to assess the relevance of new road technology for Australia. The Congress was organised by PIARC (a more detailed explanation of PIARC can be...

Balmain Road is one of the oldest roads in the Municipality of Leichhardt, about 5 km west of the Central Business District of Sydney. The road provides an important link between Parramatta Road and Victoria Road which are two major arterials. This year, the road was scheduled for reconstruction. After...

Safety on the public road is a matter of concern to the whole community. Fast moving opposing streams of traffic are often separated only by air and paint and the potential for collisions is high. Many campaigns are conducted to improve driver education and performance; regulations require an increasing number...

Signfcant changes in the costs and availability of key resources, which began to occur in the 1970s and are continuing in the 1980s, together with reassessments of the effects of traffic loads, particularly heavy traffic, are seeing reviews of the types of pavements and their design by road authorities in...

The Main Roads Department, Queensland recently awarded a contract for the construction of 3.25 km of two- lane concrete pavement on the Pacific Highway near Burleigh Heads. This project, which forms part of the programmed extension of the highway in the area skirting Queensland's Gold Coast Figure 1, will be...

On 16th December 1982 the Hon. Neville Wran, Premier of New South Wales, opened two new sections of the F4 Western Freeway near Sydney. The comibined length of almost 9 km is made up of 5.8 km between Strathfield and Silverwater, and 3 km between Parramatta and Mays Hill Figure...