Core Viewpoint - The article highlights a groundbreaking technology developed by a team from Guangxi University that addresses the durability issues of concrete structures in harsh coastal environments, which is a significant challenge for infrastructure globally [1][4]. Group 1: Problem Identification - Coastal environments pose threats to the safety and longevity of concrete structures due to high temperatures, humidity, and salinity [1]. - Durability is identified as the primary challenge for coastal construction, with global infrastructure losses exceeding $700 billion annually, and losses in China alone surpassing 100 billion yuan [1]. - Traditional inland standards have been applied to coastal engineering, focusing on strength rather than durability, leading to vulnerabilities under chloride ion corrosion [1]. Group 2: Research and Data Collection - The research team faced skepticism, especially since similar efforts by Western teams had failed [2]. - Over 20 years, the team collected nearly 3,000 samples from 62 natural exposure test sites across 17 countries, resulting in over 1,300 valid data sets [2]. Group 3: Technological Breakthroughs - The team developed a model to quantify environmental corrosion factors, transforming parameters like wind speed and salinity into calculable formulas [3]. - They introduced a "Durability Control Zone Model" to analyze complex structures by focusing on the most corrosion-prone areas, improving calculation efficiency by over 90% [3]. - A "Three-Parameter Model" was created to accurately estimate the design life of structures based on chloride ion diffusion coefficients, protective layer thickness, and aging factors [3]. - An integrated design technology was developed to balance the strength and durability of concrete materials, optimizing the mix of cement and mineral additives to prevent chloride ion intrusion [3]. Group 4: Application and Impact - Since 2015, the technology has been successfully applied in major projects such as the Longmen and Dafengjiang cross-sea bridges and various significant port projects [4]. - The technology has been implemented in 35 major projects across countries like Sri Lanka, Indonesia, and Cameroon, resulting in cost savings of approximately 330 million yuan, profits of about 150 million yuan, and a reduction of over 1 million tons of carbon emissions [4].