It's the world's longest sea-crossing bridge: 55 kilometres of motorway spans the Pearl River Estuary in the South China Sea before dipping into an undersea tunnel. The Chinese President Xi Jinping has today officially opened the gigantic infrastructure linking Hong Kong, Macau and mainland China. A colossal engineering structure, involving the Bouygues Construction subsidiaries Bouygues Travaux Publics, Dragages Hong Kong and VSL for the construction of a 9.4-kilometre section.
A bridge of strategic importance 5714 prefabricated segments of 250 different types, laid down at the rate of 18 per day, shaft grouted friction piling method to cope with difficult ground conditions – a technical first in Hong Kong –, sea-based installations and specific logistical arrangements to maintain the waterways throughout the duration of the works... Some notable innovations for the construction of this extraordinary bridge structure. It is now possible to reach Hong Kong from the main cities of the Pearl River delta in 30 minutes, compared with four hours by land and one hour by boat. A real basis for stimulating commercial ties between the two sides of the crossing.
Providing levers for attaining the goals of sustainable development, such is the ambition of Cities to Be. In concrete terms, this means pooling experiences, solutions and best practices, generating momentum among the territories, and persuading players of the building sector to commit to such goals. All in the aim of creating a denser, more resilient city that offers, quite simply, a pleasant way of life.
Interview with Stéphane Schaeffer, Planning Manager and head of lean deployment, BYMARO.
Interview with Alexia Fakiri, Internal Control Manager at Bouygues Construction.
Today, 300 million tons of plastic are produced each and every year worldwide, including more than 60 in Europe, where packaging accounts for the vast majority of single use plastic. Where does it go and how can it be used in 3D printing?
Reda El Yakoubi, Deputy Managing Director at Linkcity Morocco, tells us about his experience as a user of the serious game ‘Quartiers durables.Play’ for the Aéroplace à Casa Anfa project, the new urban centre in Casablanca.
The summer recess is over and the start of a new parliamentary term has begun in earnest with a great deal of enthusiasm in terms of the country’s environmental transition. So let’s take stock of the issues in one of the key pieces of legislation, the Mobility Act (LOM).
Geoffrey Tkaczuk, Works Supervisor with Brézillon, is leading the Echarde rehabilitation project in Compiègne and tells us about his positive experience alongside the site occupants
Under lockdowns, many French people started to cultivate their own garden, including in cities or on the outskirts of cities, confirming the success of certain forms of urban agriculture. Major cities are becoming visibly greener, but does urban agriculture have an economic model that will ensure it has a stable future?
Regulatory pressure is growing on how building and public works waste is processed. The sector produces 70% of waste in France (245 million tonnes, 46 million tonnes of which from the construction sector).
