{"cited_by_count":179267,"description":"This cluster of papers focuses on the prediction of Tunnel Boring Machine (TBM) performance in hard rock conditions, utilizing rock mass properties, rock fragmentation, and machine learning techniques. It also includes research on risk assessment, numerical simulation, and the influence of geological conditions on TBM performance.","display_name":"Tunneling and Rock Mechanics","domain_id":"3","external_ids":{"openalex":"https://openalex.org/T12482","wikipedia":"https://en.wikipedia.org/wiki/Tunnel_boring_machine"},"field_id":"22","id":"T12482","keywords":[{"display_name":"tunnel construction","id":"tunnel-construction","score":0.4044,"url":"https://openalex.org/keywords/tunnel-construction"},{"display_name":"tunnel boring machine","id":"tunnel-boring-machine","score":0.7082,"url":"https://openalex.org/keywords/tunnel-boring-machine"},{"display_name":"tunnel excavation","id":"tunnel-excavation","score":0.3485,"url":"https://openalex.org/keywords/tunnel-excavation"},{"display_name":"shield tunneling","id":"shield-tunneling","score":0.319,"url":"https://openalex.org/keywords/shield-tunneling"},{"display_name":"railway tunnels","id":"railway-tunnels","score":0.2603,"url":"https://openalex.org/keywords/railway-tunnels"},{"display_name":"road tunnels","id":"road-tunnels","score":0.2156,"url":"https://openalex.org/keywords/road-tunnels"},{"display_name":"rock cutting","id":"rock-cutting","score":0.5614,"url":"https://openalex.org/keywords/rock-cutting"},{"display_name":"tunnel design","id":"tunnel-design","score":0.3447,"url":"https://openalex.org/keywords/tunnel-design"},{"display_name":"tunnel construction technology","id":"tunnel-construction-technology","score":0.5591,"url":"https://openalex.org/keywords/tunnel-construction-technology"},{"display_name":"NATM","id":"new-austrian-tunneling-method","score":0.4984,"url":"https://openalex.org/keywords/new-austrian-tunneling-method"},{"display_name":"rock drilling","id":"rock-drilling","score":0.3405,"url":"https://openalex.org/keywords/rock-drilling"},{"display_name":"rock excavation","id":"rock-excavation","score":0.3184,"url":"https://openalex.org/keywords/rock-excavation"},{"display_name":"tunnel boring","id":"tunnel-boring","score":0.6286,"url":"https://openalex.org/keywords/tunnel-boring"},{"display_name":"tunnel portal","id":"tunnel-portal","score":0.3364,"url":"https://openalex.org/keywords/tunnel-portal"},{"display_name":"hard rock tunneling","id":"hard-rock-tunneling","score":0.835,"url":"https://openalex.org/keywords/hard-rock-tunneling"},{"display_name":"disc cutter","id":"disc-cutter","score":0.6815,"url":"https://openalex.org/keywords/disc-cutter"},{"display_name":"tunnel engineering","id":"tunnel-engineering","score":0.4075,"url":"https://openalex.org/keywords/tunnel-engineering"},{"display_name":"rock tunneling","id":"rock-tunneling","score":0.7445,"url":"https://openalex.org/keywords/rock-tunneling"},{"display_name":"roadheader","id":"roadheader","score":0.4621,"url":"https://openalex.org/keywords/roadheader"},{"display_name":"railway tunnel construction","id":"railway-tunnel-construction","score":0.4854,"url":"https://openalex.org/keywords/railway-tunnel-construction"},{"display_name":"mountain tunnels","id":"mountain-tunnels","score":0.3488,"url":"https://openalex.org/keywords/mountain-tunnels"},{"display_name":"underwater tunnel","id":"underwater-tunnel","score":0.2272,"url":"https://openalex.org/keywords/underwater-tunnel"},{"display_name":"mechanized tunneling","id":"mechanized-tunneling","score":0.5607,"url":"https://openalex.org/keywords/mechanized-tunneling"},{"display_name":"tunnel face stability","id":"tunnel-face-stability","score":0.2549,"url":"https://openalex.org/keywords/tunnel-face-stability"},{"display_name":"shield machine","id":"shield-machine","score":0.5148,"url":"https://openalex.org/keywords/shield-machine"}],"legacy_keywords":["TBM","performance prediction","rock fragmentation","rock properties","hard rock condition","machine learning","risk assessment","rock cutting","geological conditions","numerical simulation"],"openalex_id":"https://openalex.org/T12482","source_created_date":"2024-01-23T15:27:14","source_updated_date":"2026-10-17T03:02:00","subfield_id":"2205","url":"/topics/T12482","works_api_url":"https://api.openalex.org/works?filter=topics.id:T12482","works_count":55048,"label":"Tunneling and Rock Mechanics","provider":"openalex","revision":"2472b8cbe75927f0","taxonomy_revision":"f050b5d4780b1289","title":"Tunneling and Rock Mechanics","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"38350968932681397","address_version":"morton4x16-v1","coordinates":[3,22,2205,12482],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}