Papua New Guinea Fiber Optic Cable Trench Project

Google will build three subsea cables in Papua New Guinea, which the Pacific Island nation says is being funded by Australia under a mutual defence treaty. PNG said it would provide a key upgrade to its digital backbone and link the north and south of the nation with high-capacity. The 4700 km Coral Sea Cable System is a 40Tbps submarine fibre optic cable that brings next-generation connectivity to the people of Papua New Guinea and Solomon Islands. It directly connects Port Moresby in PNG and Honiara in the Solomon Islands to the global internet hub of Sydney Australia. The cables will provide a key upgrade to PNG's digital backbone and are a part of the Pukpuk Treaty. What's next? Australia is expected to also finance a new. Papua New Guinea's government announced that Alphabet's Google will construct three high-capacity subsea cables in partnership with Australia under a mutual defence treaty known as the Pukpuk Treaty, marking a significant upgrade to the Pacific island nation's digital backbone. The project also includes a Solomon Islands Domestic Network (SIDN), a 730 km submarine cable. As part of a historic defense agreement the Pacific nation inked with Australia this year, internet behemoth Google will install three underwater cables in Papua New Guinea. According to a statement from the island government, the $120 million project would provide “a more resilient, multi-route. [PDF]

Cold joint insertion loss

Cold joints occur when there's an unintended interruption in the concrete pouring process. This results in weak seams where the two layers fail to chemically bond. Unlike construction joints, which are reinforced and planned, cold joints are structural defects that require immediate. A cold joint in concrete construction is a plane of weakness that forms when new, wet concrete is poured against concrete that has already begun to harden. They can be a real pain, potentially leading to structural issues down the line. Time to break down the details. The term "cold" is used because the two concrete layers are not bonded properly, which can result in a weakened. Few defects pose a more immediate and insidious threat to the long-term performance and intended load-transfer characteristics of a structure than cold joints in concrete columns. While often dismissed as purely aesthetic blemishes, a cold joint is, fundamentally, a failure of integration—a plane. Cold joint concrete is a common problem in the construction world. It's important for construction professionals to understand what causes cold joints and how to manage them effectively. This article takes a closer look. [PDF]