Results 231 to 240 of about 212,708 (303)

Happy Lands Enclosure at Wiggold, Ampney Crucis, Gloucestershire [PDF]

, 2011
Bewley, Bob, Darvill, Timothy
core  

Experimental study on burning rate and flame geometry in construction tunnel fires under high geothermal conditions

Deep Underground Science and Engineering, EarlyView.
Abstract As tunnel construction advances in lengths and depths, the construction of tunnels in high geothermal environments has become increasingly common, raising significant fire risks. In this study, a 1:20 scale model tunnel test platform was constructed to investigate the effects of a high geothermal environment on fire behavior in tunnels during ...
Xiaoxian Fei, Maozhen Liu, Jiayi Ha, Linbo Du, Zhi Li, Yuhao Li, Chuangang Fan   +6 more
wiley   +1 more source

Autonomous Mobile Inspection Robots in Deep Underground Mining-The Current State of the Art and Future Perspectives. [PDF]

Sensors (Basel)
Konieczna-Fuławka M, Koval A, Nikolakopoulos G, Fumagalli M, Santas Moreu L, Vigara-Puche V, Müller J, Prenner M.   +7 more
europepmc   +1 more source

Random finite element analysis on ground subsidence caused by tunnel excavation in karst regions with spatial variable soil

Deep Underground Science and Engineering, EarlyView.
This study investigates ground subsidence during tunnel excavation in karst areas, highlighting the combined effects of karst cave proximity, cave size, and soil spatial variability. Findings suggest that shorter cave distances and larger cave sizes increase subsidence variability, and a modified Peck formula is proposed for more accurate subsidence ...
Zhenghong Su, Yong Fu, Miaomiao Sun, Kailin Ding, Ying Zhao   +4 more
wiley   +1 more source

Châtelperronian cultural diversity at its western limits: Shell beads and pigments from La Roche-à-Pierrot, Saint-Césaire. [PDF]

Proc Natl Acad Sci U S A
Bachellerie F, Gravina B, Rigaud S, Dayet L, Thomas M, Lebreton L, Morin E, Lesage C, Falguères C, Bard E, Bahain JJ, Baillet M, Beauval C, Bordes JG, Culioli G, Devièse T, Flas D, Garbé L, Guérin G, Lacrampe-Cuyaubère F, Lahaye C, Mallol C, Marot J, Maureille B, Michel A, Muth X, Regniers O, Tartar E, Teyssandier N, Thibeault A, Todisco D, Tombret O, Rougier H, Crevecoeur I.   +33 more
europepmc   +1 more source

Permeability of granite from a shallow buried mountain pipe gallery tunnel under unloading confining pressure

Deep Underground Science and Engineering, EarlyView.
Triaxial compression tests under unloading confining pressure conditions were conducted to systematically analyze the permeability behavior of granite retrieved from the different classification surrounding rocks. Abstract The rock mass within mountain tunnels undergoes complex changes in permeability, strength, and deformation during tunneling ...
Xiaoyan Zhang, Yonghua Ye, Jianping Zuo, Baojiang Han, Weigang Jiao   +4 more
wiley   +1 more source

Correction: Expansion of forest cover and coeval shifts in Later Stone Age land-use at Taforalt and Rhafas Caves, Morocco, as inferred from carbon isotopes in ungulate tooth enamel. [PDF]

PLoS One
Worthey KB, Fernandez P, Turner E, Steele TE, Humphrey L, Barton RNE, Hublin JJ, Bouzouggar A.   +7 more
europepmc   +1 more source

Excavate

, 2011
openaire   +1 more source

The damage and failure mechanism of prestatically loaded rock during medium‐strain rate cyclic impact loading

Deep Underground Science and Engineering, EarlyView.
Based on experimental results and theoretical analysis, an established rock damage accumulation model that comprehensively considers the preapplied static load, impact peak value, impact frequency, and impact times. Abstract To study the rock damage mechanism under high static loading and superimposed medium strain rate cyclic impact loading, a series ...
Wei Wang, Hanpeng Wang, Zicheng Wang, Xinyuan Xie, Yunhao Wu, Jinhou Zhang, Dekang Sun   +6 more
wiley   +1 more source

Influence of non-stationarity in friction angle on the performance of the braced excavation system. [PDF]

Sci Rep
Rafi KM, Ering P.
europepmc   +1 more source