Construction of the Juscelino Kubitschek de Oliveira Bridge: A Retrospective Look The construction of the Juscelino Kubitschek de Oliveira Bridge, which unfortunately collapsed in 2024, is a case that deserves detailed analysis, considering the importance of the structure for the region and the possible causes of the collapse. Construction Details: Period: The bridge was built in the 1960s, during the government of Juscelino Kubitschek, as part of a large infrastructure plan for the country. Materials: The main structure of the bridge was composed of reinforced concrete at the headlands and prestressed concrete in the central span, which was the longest part of the bridge. Technology: At the time, the use of prestressed concrete was a relatively new technology in Brazil, and its application in a large-scale project such as this represented a significant technological advance. Design: The bridge design was developed by renowned engineers of the time, considering the characteristics of the site and the engineering standards of that decade. Possible Factors That Contributed to the Collapse: Although official investigations are still ongoing, some factors may have contributed to the collapse of the bridge: Material fatigue: Over the years, the materials used in the construction of the bridge, such as concrete and steel, can suffer fatigue due to repeated loads and adverse weather conditions. Reinforcement corrosion: The steel reinforcement used in reinforced concrete can corrode, compromising the strength of the structure. Lack of maintenance: The lack of periodic maintenance can accelerate the deterioration process of the bridge. Design calculations: It is possible that the original design calculations did not take into account all variables, such as increased traffic and changes in weather conditions. Extreme events: Extreme weather events, such as floods and strong winds, may have contributed to the weakening of the structure. Lessons to be Learned: The collapse of the Juscelino Kubitschek de Oliveira Bridge serves as a warning about the importance of periodic maintenance and inspection of large infrastructure projects. It is essential that regular assessments of bridge structures be carried out using non-destructive techniques and advanced analysis to identify potential problems and take corrective action before accidents occur. Ongoing investigations: The competent authorities are conducting detailed investigations to determine the exact causes of the bridge collapse. The results of these investigations will be important for improving standards for bridge construction and maintenance in Brazil. It is important to note that this is a general analysis and that the information may be updated as new information becomes available. Would you like to know more about a specific aspect of the construction or collapse of the Juscelino Kubitschek de Oliveira Bridge? Possible topics for further study: Prestressed concrete: How this technology works and what are its advantages and disadvantages. Bridge inspection: What are the techniques used to inspect bridge structures and identify potential problems. Technical standards for bridge construction: What are the standards that regulate bridge construction in Brazil. Social and economic impact of the bridge collapse: How the bridge collapse affected people's lives and the economy of the region. How many km is the JK bridge? Where did the bridge collapse? Why was the JK bridge built? How many people died on the bridge that collapsed in Maranhão? Where is the Juscelino Kubitscheck bridge? How many deaths in the bridge collapse? Who built the Estreito bridge, Maranhão? How deep is the Tocantins River at the Estreito bridge? Why did the Estreito bridge collapse? How old was the Estreito bridge, Maranhão? Professional contact: (12) 98877-7844 (Only for hiring advisory services and structural projects, leave questions in the comments, I DO NOT ASK QUESTIONS VIA WHATSAPP) Partner - Alliance Engineering and Construction - 12 982424201 Become a member of this channel: / @engenhariaativa Don't forget to subscribe: / @engenhariaativa Contact: [email protected] Subscribe to the channel and comment. Suggestions and criticism are always welcome. ATTENTION: All content posted on the channel is educational and informative in nature and we are not responsible for the execution of services based on the content. Always hire a qualified and skilled professional. #engineering