A possible prediction method to determine the top concealed karst cave based on displacement monitoring during tunnel construction
Sign Up to like & getrecommendations! Published in 2017 at "Bulletin of Engineering Geology and the Environment"
DOI: 10.1007/s10064-017-1060-1
Abstract: The existence of concealed karst caves can cause major displacement and even large deformation of surrounding rock during karst tunnel excavation. As such, these concealed caves pose a large threat to the stability of surrounding… read more here.
Keywords: concealed karst; karst cave; surrounding rock; tunnel construction ... See more keywords
Characteristic Parameters Extraction Method of Hidden Karst Cave from Borehole Radar Signal
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Geomechanics"
DOI: 10.1061/(asce)gm.1943-5622.0001733
Abstract: Abstract A hidden karst cave has a prominent influence on the design and construction of underground engineering. In order to improve the automatic identification accuracy of hidden karst cave area... read more here.
Keywords: extraction method; method hidden; hidden karst; parameters extraction ... See more keywords
Analysis on the safe distance between shield tunnel through sand stratum and underlying karst cave
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DOI: 10.1080/12269328.2018.1475265
Abstract: ABSTRACT When a subway tunnel passes through a karst geological area, in order to ensure the stability of the tunnel, the safe distance between the tunnel and karst cave needs to be researched. This article… read more here.
Keywords: sand; tunnel; degree; safe distance ... See more keywords
Nocardia cavernae sp. nov., a novel actinobacterium isolated from a karst cave sample.
Sign Up to like & getrecommendations! Published in 2017 at "International journal of systematic and evolutionary microbiology"
DOI: 10.1099/ijsem.0.002072
Abstract: A novel actinobacterial strain, designated YIM A1135T, was isolated from a soil sample collected from a karst cave in Xingyi county, Guizhou province, south-western China. The taxonomic position of the strain was investigated using a… read more here.
Keywords: cavernae nov; nocardia cavernae; karst cave; strain yim ... See more keywords
Arthrobacter cavernae sp. nov., a novel actinobacterium isolated from sediment of karst cave.
Sign Up to like & getrecommendations! Published in 2022 at "International journal of systematic and evolutionary microbiology"
DOI: 10.1099/ijsem.0.005445
Abstract: A novel, Gram-stain-positive, aerobic, non-endospore-forming, non-motile and rod-shaped bacterium designated PO-11T was isolated from sediment of karst cave collected in Libo county, Guizhou Province, PR China. The isolate grew optimally on R2A agar at 25 °C,… read more here.
Keywords: cavernae nov; isolated sediment; karst cave; arthrobacter ... See more keywords
Prediction of the Collapse Region Induced by a Concealed Karst Cave above a Deep Highway Tunnel
Sign Up to like & getrecommendations! Published in 2020 at "Advances in Civil Engineering"
DOI: 10.1155/2020/8825262
Abstract: The presence of a concealed karst cave above a deep highway tunnel may cause the collapse of the rock mass between the karst cave and tunnel during excavation. Rock mass collapse threatens the safety of… read more here.
Keywords: concealed karst; karst cave; collapse; highway tunnel ... See more keywords
Study on Construction Response Characteristics of Large Cross-Section Tunnel Crossing Huge Karst Cave Backfill
Sign Up to like & getrecommendations! Published in 2023 at "Shock and Vibration"
DOI: 10.1155/2023/3029133
Abstract: The existence of giant karst cave can cause collapse and water inrush hazards during the excavation of the karst tunnel, causing serious economic losses. In this paper, based on the FEA software MIDAS, a numerical… read more here.
Keywords: section tunnel; cross section; large cross; karst cave ... See more keywords
Co-occurrence pattern and function prediction of bacterial community in Karst cave
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DOI: 10.1186/s12866-020-01806-7
Abstract: Background Karst caves are considered as extreme environments with nutrition deficiency, darkness, and oxygen deprivation, and they are also the sources of biodiversity and metabolic pathways. Microorganisms are usually involved in the formation and maintenance… read more here.
Keywords: diversity; zhijin cave; community; occurrence ... See more keywords
Assessment of a Concealed Karst Cave’s Influence on Karst Tunnel Stability: A Case Study of the Huaguoshan Tunnel, China
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DOI: 10.3390/su10072132
Abstract: In order to assess a concealed karst cave’s influence on karst tunnel stability, an assessment model is proposed based on the analytic hierarchy process and a statistical analysis of relevant engineering projects. Major factors are… read more here.
Keywords: concealed karst; tunnel stability; karst cave; cave influence ... See more keywords