Features

Major advances in tunnelling will allow cars to travel underneath the Bosphorus sea channel in Turkey's Istanbul next year when its third road link is opened, writes Adrian Greeman. The Bosphorus is redolent with history and strategic significance. As one of the world's most significant sea connections, linking the landlocked Black Sea to the Marmara Sea and the Mediterranean beyond, it has been vitally important for trade and crucial for military access. It is also one of the biggest obstacles for land tra

A sophisticated construction method has been used for the first time in South Africa for a suspended bridge project This novel method of bridge construction was used on a major road upgrade project for the South African National Roads Agency Limited (SANRAL). Main contractor Lonerock Construction, and subcontractor Tzandeboo Construction, used RMD Kwikform’s Megatruss system to construct a 60m-long bridge while suspended mid-air over the live N4 highway. Lonerock Construction’s US$8.5 million (R132

SEFIANI Enterprises is staying competitive against rivals firms in the asphalt and paving construction market in Morocco. Construction Company SEFIANI Enterprises fitted one of its pavers with the Leica PaveSmart 3D machine control system at the end of October 2015. The aim of this was to improve project quality and to reduce operating costs for the 224km project for the LGV Ligne à Grande Vitesse Tanger–Kénitra. “It is the first system we sold for an asphalt paving application in Morocco,” explained

The construction of the Cipali Toll Road in Indonesia has been completed on time, despite numerous challenges during its construction. The Cipali Toll Road forms part of a larger network, the Trans-Java Toll Road that connects key freeways in Jakarta and beyond. The Trans-Java Toll Road is of enormous importance to Indonesia as it runs for 653km and reduces the existing route by 40km.

Sinoma Cement is one of the largest cement manufacturers in the Peoples Republic of China. In 2012 the company decided to boost its aggregate production, both for its own use in cement production, and to supply aggregates to the local construction market. In order to do this Sinoma Cement invested in two aggregate plants supplied by Sandvik Construction, consisting of feeders, screens, jaw and impact crushers. The firm’s extensive production of clinker cement is facilitated through three production lines

Upgrading Bolivia’s Uyuni – Condo K route will help boost the country’s economy - Mauro Nogarin writes. The area of influence along the new Uyuni - Huarancani - Condo K road in Bolivia is of major importance to the country’s economy as it has great agricultural potential for quinoa. The highway is located in south-western Potosi and it has a cultivated area of 55,000ha, with an annual output of 13,154tonnes of quinoa. South-western Potosi is also one of the areas with the highest population of camelid lives

Concerned about the risk of material failure, many local authorities and network operators have been reluctant to incorporate high recycled content asphalt into the surface course of UK roads. David Smith, development director at FM Conway, explained why asphalt recycling is crucial to maximising the value of Britain’s largely untapped road asset.

From expanding bitumen operations in India to groundbreaking mixes in Italy, stronger roads in South Africa to high RAP content in Germany, this month we bring you stories of advancing technology from around the world - Kristina Smith reports Technology from Austrian engineering company Pörner will soon be responsible for almost two-thirds of India’s bitumen production. In December last year Pörner signed the deal with HPCL-Mittal Energy, a joint venture of Hindustan Petroleum Corporation and Mittal Energy

Powerscreen is celebrating 50 years in business this year, and it will launch celebrations at the Hillhead (28-30 June, Buxton, England). Colin Clements, global product line director said: “Powerscreen have been providing the crushing and screening industry with high quality, innovative products for 50 years and we are excited to celebrate that success with those who matter - our distributors and customers. By kicking off the celebrations at Hillhead, we will be able to showcase new and revamped equipmen

Peter Harrop, chairman of independent research and consultancy IDTechEx, considers arguments in favour of solar roads. Nowadays a major trend is the move to off-grid clean energy created by “energy harvesting” to produce electricity where it is needed. This is more controllable and increasingly at lower cost than grid power or diesel gensets, cleaner and often less subject to interruption. It is taking new forms as revealed in the IDTechEx Research report, “High Power Energy Harvesting 2016-2026”.

Despite clear industry guidelines published over a decade ago and revised in 2015, level measurement experts Hycontrol still regularly encounter asphalt plants with insufficient safety protocols for preventing spills of hot bitumen. Introduction – Bitumen Storage in the UK Recently-issued information from Eurobitume UK has reinforced the need for stringent safety precautions on sites with bitumen storage facilities; key amongst them being the implementation of a robust level monitoring and alarm system (‘Si