Road Structures

PERI fills gap in Greek market

February 19, 2013

A team of Greek and German PERI engineers have developed a comprehensive formwork and scaffolding solution for the T4 bridge on the A7 motorway in Greece. The 160km long A7 connects Kalamata in the south to Corinth in the northwest of the Peloponnese peninsula. On one stretch of the motorway a 390m long arched bridge – known as T4 – is being used to close the gap between Paradisia and Tsakona. Set for completion in early 2014, two-thirds of the 22m wide bridge superstructure will be suspended on a steel arc

Sennebogen’s Algiers bridge

January 21, 2013

The Algerian SAPTA construction company, who specialise in road and traffic infrastructure construction, is using a Sennebogen 2200 crawler crane to assist with their commission to build a bridge in Algiers. Sennebogen service and sales partner EURL SM Maintenance delivered the 2200 crawler crane to SAPTA in July this year. It has since been set to work lifting, piece by piece, the steel support for the 600m long Algiers-based bridge. The crane will also be used for a range of other lifting tasks required a

Well structured maintenance

January 4, 2013

Major bridge maintenance and replacement projects across the world are extending the life of many impressive historic landmarks as Guy Woodford reports The Tamar Bridge, part of the main A38 trunk road linking Saltash in Cornwall with Plymouth in Devon, south west England, marked its 50th anniversary with a steel deck resurfacing project involving Stirling Lloyd's Eliminator bridge deck waterproofing system. Jointly owned by Plymouth City Council and Cornwall Council, the Tamar has a suspended length of 642

Far from formulaic

January 4, 2013

Formwork solutions for the first axial suspension cable stayed bridge in India; and a four-lane road bridge in Germany’s Harz Mountains, are among the latest bridge-based formwork projects analysed by Guy Woodford. RMD Kwikform India has won the contract to design and supply shoring and formwork solutions for the first axial suspension cable stayed bridge ever built in India. The Kota Bridge’s innovative design sees a single 350m span cross the entire width of the Chambal River, with three approach spans on

Tunnel contract for Bosnian highway

December 17, 2012

Turkish company Cengiz Insaat has reportedly been awarded the €115 million contract for the construction of the Suhodol-Tarcin motorway in Bosnia. The works, which will be done in cooperation with Bosnian company Euroasfalt, will include two tunnels. One of them will be 400m long, while the other will be 2.5km. Works are expected to be completed by 2014. Meanwhile, bids are now being offered for a major highway project in Bosnia. This follows the opening of the tender process for the project by Bosnian high

Consortium wins third Bosphorus bridge deal

December 3, 2012

A consortium formed by ICTAS of Turkey and the Italian firm Astaldi has won a tender to build a third suspension bridge over Istanbul’s Bosphorus. Despite criticism from planners and environmentalists, the 1.3km structure, the longest over the strait, has been given the go-ahead by Turkey’s Transport Minister, Binari Yildirim. A joint venture of local company IC Içtas Insaat and Italian Astaldi has won the tender for the project, and Minister Yildirim is reported as saying the bridge would be built in three

Herrenknecht’s benefits from Indian orders

November 30, 2012

German company Herrenknecht says that in recent months it has received 18 orders from India for tunnel boring machines (TBMs) for projects to expand metro networks in the Indian cities of Delhi, Bangalore, Chennai and Kolkata, and for water supply schemes. Earlier this year an Indian record of 525m of drilled and secured tunnel was achieved in one month on the Veligonda water project (state of Andhra Pradesh) with a Herrenknecht Double Shield TBM (diameter 7.9m). The 18km Veligonda Tunnel is part of a sche

Key Chilean connections

November 27, 2012

Strong interest is being shown in the construction sector in Chile for the project to build the Chacao Bridge. The tender process is due to open in the first half of 2013 and a large number of contractors, over 30, have already acquired terms and conditions of the works package. The construction project is expected to cost US$740 million. Bidding is expected to close in early 2014 and the winner will be selected and the contract awarded. Work should start in 2015 and the completion date will be in 2019. A

Tunnel construction benefits from improved visibility

November 14, 2012

Major new tunnel construction projects will, on completion, help secure more reliable journey times for hundreds of thousands of people across the world. Meanwhile, as Guy Woodford reports, leading ITS solution companies have been providing vital equipment for major road tunnels The Martina Tunnel Boring Machine (TBM), a 4,500tonne Herrenknecht Earth Pressure Balance Shield said to have a world record diameter of 15.55m, has required just under a year to build the first of two tunnel tubes for the 2.5km lon

TensarTech supports Polish contract

November 12, 2012

TensarTech soil retaining walls have been used during the construction of a section of the A1 motorway in Poland. Extensive underground mining in the south of the country posed a significant challenge to building the 16km Piekary Slaskie to Pyrzowice (Katowice Airport) stretch of the motorway which, on completion, will run more than 240km from Gdansk in northern Poland to Gorzyczki on the Polish-Czech Republic border. To accommodate potential differences in settlement on embankments approaching a series of