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Détail de l'indexation
624 : Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes
624.01 Structures et éléments de structures d'après les matériaux et procédés de construction
624.012.45 Structures en béton armé. Structures mixtes acier et béton armé
624.03 Dimensions, permanence, localisation et forme de la structure
624.1 Infrastructures.Ouvrages en terre. Fondations. Tunnels
624.13 Géotechnique. Mécanique des sols. Ouvrages en terre. Techniques de congélation des terrains
624.131 Mécanique des sols. Technologie des sols.Etudes techniques et économiques
624.131.5 Statique des sols. Dynamiques des sols
624.132 Excavations et transport des sols. Terrassements
624.151
624.17
624.176/555
624.19 Tunnels. Constructions de tunnels. Galeries. Constructions de galeries
624.2
624.2/.8 Pont. Bâtiment
624/621.24
624/621.34
624/621.34/630
624/627
624/630
624.012.45 Structures en béton armé. Structures mixtes acier et béton armé
624.03 Dimensions, permanence, localisation et forme de la structure
624.1 Infrastructures.Ouvrages en terre. Fondations. Tunnels
624.13 Géotechnique. Mécanique des sols. Ouvrages en terre. Techniques de congélation des terrains
624.131 Mécanique des sols. Technologie des sols.Etudes techniques et économiques
624.131.5 Statique des sols. Dynamiques des sols
624.132 Excavations et transport des sols. Terrassements
624.151
624.17
624.176/555
624.19 Tunnels. Constructions de tunnels. Galeries. Constructions de galeries
624.2
624.2/.8 Pont. Bâtiment
624/621.24
624/621.34
624/621.34/630
624/627
624/630
Ouvrages de la bibliothèque en indexation 624
Affiner la rechercheWind-induced pressures on patio covers / Ioannis Zisis in Journal of structural engineering, Vol. 136 N° 9 (Septembre 2010)
[article]
in Journal of structural engineering > Vol. 136 N° 9 (Septembre 2010) . - pp. 1172-1181
Titre : Wind-induced pressures on patio covers Type de document : texte imprimé Auteurs : Ioannis Zisis, Auteur ; Ted Stathopoulos, Auteur Année de publication : 2011 Article en page(s) : pp. 1172-1181 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Wind tunnel tests Wind loads Low-rise buildings Load distribution Standards and codes Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : A wind tunnel study has been carried out to assess wind loads on patio covers attached to low-rise buildings. A 1:100 geometric scale building and patio cover model was constructed and tested for open exposure conditions. The patio cover model was instrumented with pressure taps on both top and bottom surfaces, allowing the simultaneous measurement of wind pressure/suction on each side of the patio cover. The effect of building/patio height was considered by testing three different model configurations. Local surface and net wind pressure and force coefficients are presented for each model configuration. Correlation analysis was carried out to demonstrate how wind flow on the top and bottom of the patio cover affects the total wind load. The findings are also compared to the limited design guidelines derived by current building codes. Finally, recommendations for design wind load standards and codes of practice are made.
DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v136/i9/p1172_s1?isAuthorized=no [article] Wind-induced pressures on patio covers [texte imprimé] / Ioannis Zisis, Auteur ; Ted Stathopoulos, Auteur . - 2011 . - pp. 1172-1181.
Génie Civil
Langues : Anglais (eng)
in Journal of structural engineering > Vol. 136 N° 9 (Septembre 2010) . - pp. 1172-1181
Mots-clés : Wind tunnel tests Wind loads Low-rise buildings Load distribution Standards and codes Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : A wind tunnel study has been carried out to assess wind loads on patio covers attached to low-rise buildings. A 1:100 geometric scale building and patio cover model was constructed and tested for open exposure conditions. The patio cover model was instrumented with pressure taps on both top and bottom surfaces, allowing the simultaneous measurement of wind pressure/suction on each side of the patio cover. The effect of building/patio height was considered by testing three different model configurations. Local surface and net wind pressure and force coefficients are presented for each model configuration. Correlation analysis was carried out to demonstrate how wind flow on the top and bottom of the patio cover affects the total wind load. The findings are also compared to the limited design guidelines derived by current building codes. Finally, recommendations for design wind load standards and codes of practice are made.
DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v136/i9/p1172_s1?isAuthorized=no Wind tunnel studies on sawtooth and monosloped roofs / David O. Prevatt in Journal of structural engineering, Vol. 136 N° 9 (Septembre 2010)
[article]
in Journal of structural engineering > Vol. 136 N° 9 (Septembre 2010) . - pp. 1161-1171
Titre : Wind tunnel studies on sawtooth and monosloped roofs Type de document : texte imprimé Auteurs : David O. Prevatt, Auteur ; Bo Cui, Auteur Année de publication : 2011 Article en page(s) : pp. 1161-1171 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Wind tunnel testing Buildings Low-rise Envelope Roofs Roof failure Uplift resistance Wind loads Wind pressure Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : Wind tunnel studies were conducted on 1:100 scale building models of monosloped and several (two- through five-span) sawtooth roof buildings to determine appropriate peak and area-averaged wind pressure coefficients. The results showed that the peak negative pressure coefficients in the high corner regions of monosloped roof buildings are nearly equal to the high corner peak negative pressure coefficients on the windward span (Span A) of the sawtooth roof building, and as expected, low corner zone peak negative pressure coefficients on sawtooth roofs are greater (approximately 150%) than on monosloped roofs. The peak negative coefficients were in general agreement with the earlier wind tunnel study used to develop American wind load design standards, and they suggested that the Australian wind design standard may underestimate the peak loads for moderately sloped (around 20°) sawtooth roofs. Preliminary analyses of the data suggest that current ASCE 7 wind design provisions for monosloped roof buildings may underestimate the high corner design wind pressure. However, this may be offset by a more rapid decrease in area-averaged peak pressure coefficients with increasing tributary areas than was previously observed in the earlier studies.
DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v136/i9/p1161_s1?isAuthorized=no [article] Wind tunnel studies on sawtooth and monosloped roofs [texte imprimé] / David O. Prevatt, Auteur ; Bo Cui, Auteur . - 2011 . - pp. 1161-1171.
Génie Civil
Langues : Anglais (eng)
in Journal of structural engineering > Vol. 136 N° 9 (Septembre 2010) . - pp. 1161-1171
Mots-clés : Wind tunnel testing Buildings Low-rise Envelope Roofs Roof failure Uplift resistance Wind loads Wind pressure Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : Wind tunnel studies were conducted on 1:100 scale building models of monosloped and several (two- through five-span) sawtooth roof buildings to determine appropriate peak and area-averaged wind pressure coefficients. The results showed that the peak negative pressure coefficients in the high corner regions of monosloped roof buildings are nearly equal to the high corner peak negative pressure coefficients on the windward span (Span A) of the sawtooth roof building, and as expected, low corner zone peak negative pressure coefficients on sawtooth roofs are greater (approximately 150%) than on monosloped roofs. The peak negative coefficients were in general agreement with the earlier wind tunnel study used to develop American wind load design standards, and they suggested that the Australian wind design standard may underestimate the peak loads for moderately sloped (around 20°) sawtooth roofs. Preliminary analyses of the data suggest that current ASCE 7 wind design provisions for monosloped roof buildings may underestimate the high corner design wind pressure. However, this may be offset by a more rapid decrease in area-averaged peak pressure coefficients with increasing tributary areas than was previously observed in the earlier studies.
DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v136/i9/p1161_s1?isAuthorized=no Yielding and plastic behaviour of Boom clay / N. Sultan in Géotechnique, Vol. 60 N° 9 (Septembre 2010)
[article]
in Géotechnique > Vol. 60 N° 9 (Septembre 2010) . - pp. 657–666
Titre : Yielding and plastic behaviour of Boom clay Type de document : texte imprimé Auteurs : N. Sultan, Auteur ; Y.-J. Cui, Auteur ; P. Delage, Auteur Année de publication : 2011 Article en page(s) : pp. 657–666 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Laboratory tests Plasticity Clays Anisotropy Elasticity Constitutive relations Shear strength Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : An underground research laboratory (URL) has been excavated in a deposit of Boom clay at a depth of 223 m by the SCK-CEN Belgian organisation near the city of Mol. This URL is devoted to research into nuclear waste disposal. This paper presents the results of an investigation carried out in the triaxial apparatus on specimens that were trimmed from blocks extracted during excavation sequences in the URL. In order to characterise the mechanical behaviour of the natural Boom clay and to examine the effect of initial and induced anisotropy on its constitutive behaviour, two series of triaxial tests were carried out. Special attention was devoted to the yield behaviour and the effects of stress history. Experimental results showed a clear relation between the shape of yield curves and stress history. The yield curve of the clay in its initial state was oriented along the K 0 line, illustrating the anisotropy of fabric that was generated during the soil deposition. Subsequent isotropic compression (up to 9 MPa) made the yield curve more and more oriented along the p′ axis. Based on these experimental results, an elasto-plastic model accounting for isotropic and anisotropic hardening in (p′:q) space was developed. The initial yield curve of the soil was taken inclined with respect to the p′ axis. The formulation proposed describes the change in shape, size and orientation of the yield curve, according to the stress history. Eight constitutive parameters were used to describe the anisotropic behaviour of the soil.
DEWEY : 624.15 ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.7.00142 [article] Yielding and plastic behaviour of Boom clay [texte imprimé] / N. Sultan, Auteur ; Y.-J. Cui, Auteur ; P. Delage, Auteur . - 2011 . - pp. 657–666.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 60 N° 9 (Septembre 2010) . - pp. 657–666
Mots-clés : Laboratory tests Plasticity Clays Anisotropy Elasticity Constitutive relations Shear strength Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : An underground research laboratory (URL) has been excavated in a deposit of Boom clay at a depth of 223 m by the SCK-CEN Belgian organisation near the city of Mol. This URL is devoted to research into nuclear waste disposal. This paper presents the results of an investigation carried out in the triaxial apparatus on specimens that were trimmed from blocks extracted during excavation sequences in the URL. In order to characterise the mechanical behaviour of the natural Boom clay and to examine the effect of initial and induced anisotropy on its constitutive behaviour, two series of triaxial tests were carried out. Special attention was devoted to the yield behaviour and the effects of stress history. Experimental results showed a clear relation between the shape of yield curves and stress history. The yield curve of the clay in its initial state was oriented along the K 0 line, illustrating the anisotropy of fabric that was generated during the soil deposition. Subsequent isotropic compression (up to 9 MPa) made the yield curve more and more oriented along the p′ axis. Based on these experimental results, an elasto-plastic model accounting for isotropic and anisotropic hardening in (p′:q) space was developed. The initial yield curve of the soil was taken inclined with respect to the p′ axis. The formulation proposed describes the change in shape, size and orientation of the yield curve, according to the stress history. Eight constitutive parameters were used to describe the anisotropic behaviour of the soil.
DEWEY : 624.15 ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.7.00142