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A tunnel boring machine (TBM), also known as a "mole" or a "worm", is a machine used to excavate tunnels. Tunnels are excavated through hard rock, wet or dry soil, or sand , each of which requires specialized technology.
It is a rapidly growing sector of the construction and civil engineering industry. It can be defined as "a family of methods, materials, and equipment capable of being used for the installation of new or replacement or rehabilitation of existing underground infrastructure with minimal disruption to surface traffic, business, and other activities."
Under-construction 2025 (Phase 1), 2027 (Phase 2), 2029 (Phase 3) PNR South Long Haul: Proposed 2025 Subic–Clark Railway Proposed 2024 North Triangle Common Station: 2017 Under-construction 2024 Urban transportation Cebu Bus Rapid Transit System: 2023– Under-construction Davao Public Transport Modernization Project Under-construction
The decision whether to construct a tunnel using a TBM or using a drill and blast method includes a number of factors. Tunnel length is a key issue that needs to be addressed because large TBMs for a rock tunnel have a high capital cost, but because they are usually quicker than a drill and blast tunnel the price per metre of tunnel is lower. [ 2 ]
The Build!Build! Build! Infrastructure Program (BBB) was the infrastructure program of the administration of Rodrigo Duterte, the 16th president of the Philippines.A key component of his socioeconomic policy, the program aimed to reduce poverty, encourage economic growth and reduce congestion in Metro Manila, and address the country's infrastructure gap.
The Philippine National Construction Corporation (PNCC) is a government-owned and controlled corporation (GOCC) in the Philippines. It is the largest construction company in the Philippines and in Southeast Asia. It is usually tasked with major construction works, especially in the field of infrastructure. The PNCC has extensive operations in ...
TBM may refer to: Technology business management, a methodology for managing IT departments; Socata TBM, a family of single engine turboprop aircraft;
Construction News' website, CNplus, was launched in 2002, and in December 2015 changed its domain name to constructionnews.co.uk. The title's digital publishing and event activities have gradually expanded. In 1997 CN launched the Quality in Construction Awards, which were renamed the Construction News Awards in 2011. In 2014 it was named Best ...