The pavement of the mainland section of the main bridge of the Hong Kong-Zhuhai-Macao Bridge, the longest sea-crossing bridge in the world, has been fully completed. As the only petroleum asphalt supplier for the pavement of the mainland section of the Hong Kong-Zhuhai-Macao Bridge, Shell participated in the construction of this century project.
The Hong Kong-Zhuhai-Macao Bridge is 55 kilometers in length. It is the longest steel structure bridge in the world and the largest bridge deck area in the world. It is known as one of the "Seven Wonders of the New World". The completion of the bridge will shorten the land transportation time between Hong Kong and Zhuhai from the original 3.5 hours to 30 minutes. As the "super project" with the most complex technology and the most difficult construction in the history of Chinese bridge construction so far, the high temperature, high humidity and high salt ocean environment in which the Hong Kong-Zhuhai-Macao Bridge is located has imposed extremely harsh conditions on the bridge deck paving structure and materials. Claim. In addition, the stress state of the bridge deck pavement is complex, and it will produce continuous vibration and large deformation under the action of vehicle load and wind, which requires the asphalt mixture to be paved to maintain excellent fatigue resistance. At the same time, the bridge deck is heated up and down at the same time, and the internal temperature of the pavement layer is much higher than that of the ordinary pavement structure, which in turn requires the asphalt material to have better high-temperature rutting resistance in the hot environment.
Since the initial design of the bridge deck paving project in 2013, the Shell Asphalt global R&D team and the Chinese technical team have provided “tailor-made” asphalt solutions for the bridge deck pavement structure based on the environment and stress characteristics of the bridge. . Shell technical team and operation team regard quality assurance, quantity assurance, safety and timely delivery as the primary work objectives, and provide owners and construction units with timely and efficient on-site technical consultation and services to solve various challenges encountered on the construction site. After more than 4 years of continuous tracking and unremitting efforts, the high-performance products and technical solutions provided by Shell Asphalt meet the stringent requirements of the bridge deck paving system, which can better improve the performance and durability of the bridge deck and reduce the road surface Repair and maintenance operations caused by damage to improve driving safety and comfort.
"The Hong Kong-Zhuhai-Macao Bridge has always followed the principle of'higher, not low' in terms of technical indicators. As the main material for bridge deck paving, this is especially true. Shell can provide high-performance asphalt for the characteristics of the bridge. More importantly, Shell can ensure consistent quality and stable supply, and is a very trustworthy partner.” Zhang Yucai, chief engineer of the Hong Kong-Zhuhai-Macao Bridge CB07 project from Guangdong Changda Highway Engineering Co., Ltd., gave this evaluation to Shell Asphalt .
Shell provided diversified asphalt solutions and high-performance asphalt products for the completed Hong Kong-Zhuhai-Macao Bridge's continental section of the main bridge deck paving project, including Shell matrix asphalt, Shell modified asphalt, CARIPHALTE® series ) And Shell's modified emulsified asphalt adhesive layer products Shibaomiao® series (SPRAMUL®).
"We are honored to participate in the construction of the Hong Kong-Zhuhai-Macao Bridge, China's world-renowned super project by providing a series of Shell asphalt products and technical solutions." said Huang Zhichang, the global vice president of Shell Specialty Business. "Technology and innovation are ours. The genes of Shell Asphalt. Shell Asphalt hopes to become a leader in the industry and contribute to the development of a cleaner environment and society. We look forward to becoming a trusted long-term partner of Chinese customers.”
In addition, Shell high-performance road asphalt and Shell FLINTKOTE® Bridgecoat (Shell FLINTKOTE® Bridgecoat) have also been applied in the Hong Kong section of the Hong Kong-Zhuhai-Macao Bridge.