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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 15 of 15 1 A novel image-based approach for interactive characterization of rock fracture spacing in a tunnel face Chen, J; Chen, Y; Cohn, AG; Huang, H; Man, J; Wei, L. - : Elsevier, 2022 Abstract: This paper presents a novel integrated method for interactive characterization of fracture spacing in rock tunnel sections. The main procedure includes four steps: (1) Automatic extraction of fracture traces, (2) digitization of trace maps, (3) disconnection and grouping of traces, and (4) interactive measurement of fracture set spacing, total spacing, and surface rock quality designation (S-RQD) value. To evaluate the performance of the proposed method, sample images were obtained by employing a photogrammetry-based scheme in tunnel faces. Experiments were then conducted to determine the optimal parameter values (i.e. distance threshold, angle threshold, and number of fracture trace grouping) for characterizing rock fracture spacing. By applying the identified optimal parameters involved in the model, the proposed method could lead to excellent qualitative results to a new tunnel face. To perform a quantitative analysis, three methods (i.e. field, straightening, and the proposed method) were employed in the same study and comparisons were made. The proposed method agrees well with the field measurement in terms of the maximum and average values of measured spacing distribution. Overall, the proposed method has reasonably good accuracy and interactive advantage for estimating the ultimate fracture spacing and S-RQD. It can be a possible extension of existing methods for fracture spacing characterization for two-dimensional (2D) rock tunnel faces. URL: https://eprints.whiterose.ac.uk/182736/ https://eprints.whiterose.ac.uk/182736/1/1-s2.0-S167477552100192X-main.pdf BASE Hide details 2 Code-switching and language control Green, DW; Wei, L In: BILINGUALISM-LANGUAGE AND COGNITION , 19 (5) pp. 883-884. (2016) (2016) BASE Show details 3 "Where are you really from?": Nationality and Ethnicity Talk (NET) in everyday interactions Hua, Z; Wei, L In: Applied Linguistics Review , 7 (4) pp. 449-470. (2016) (2016) BASE Show details 4 A control process model of code-switching Green, DW; Wei, L In: LANGUAGE COGNITION AND NEUROSCIENCE , 29 (4) 499 - 511. (2014) (2014) BASE Show details 5 Who’s teaching whom? Co-learning in multilingual classrooms Wei, L In: In: The Multilingual Turn: Implications for SLA, TESOL and Bilingual Education. (pp. 167-190). (2013) (2013) BASE Show details 6 Language shift and host society attitudes: Dutch migrants who arrived in New Zealand between 1950 and 1965 Crezee, I. - : Sage Publishers, 2012 BASE Show details 7 Conceptual and Methodological Issues in Bilingualism and Multilingualism Research Wei, L In: In: The Handbook of Bilingualism and Multilingualism: Second Edition. (pp. 26-51). (2012) (2012) BASE Show details 8 The Blackwell Guide to Research Methods in Bilingualism and Multilingualism Wei, L; Moyer, MG. - 2009 In: (2009) (2009) BASE Show details 9 Research Perspectives on Bilingualism and Multilingualism Wei, L In: In: The Blackwell Guide to Research Methods in Bilingualism and Multilingualism. (pp. 1-17). (2009) (2009) BASE Show details 10 Control of speech in bilinguals,Reprint of Control, activation and resource: a framework and a model for the control of speech in bilinguals. Brain & Language, 1986, 27, 210-223 with Post-script Green, DW In: In: Wei, L, (ed.) The Bilingualism Reader. (pp. 371-383). Routledge (2007) (2007) BASE Show details 11 Unequal election of morphemes in adult second language acquisition Wei, L. - : Oxford University Press, 2000 BASE Show details 12 Contol, activation and resource: a framework and a model for the control of speech in bilinguals Green, DW In: In: Wei, L, (ed.) The Bilingualism Reader. (pp. 407-419). Routledge: London & New York. (2000) (2000) BASE Show details 13 Developing a typology of rapists' speech Dale, A; Davies, A; Wei, L In: Journal of pragmatics. - Amsterdam [u.a.] : Elsevier 27 (1997) 5, 653-670 OLC Linguistik Show details 14 Speech disorder in preschool children exposed to Cantonese and English Dodd, B; Holm, A; Wei, L. - : Informa Healthcare, 1997 BASE Show details 15 Three generations, two languages, one family: Language choice and language shift Wei, L; Myers-Scotton, Carol; Wei, Longxing In: Studies in second language acquisition. - New York, NY [u.a.] : Cambridge Univ. Press 18 (1996) 1, 138 OLC Linguistik Show details

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