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Détail de l'auteur
Auteur Bing Li
Documents disponibles écrits par cet auteur
Affiner la rechercheEffective stiffness of squat structural walls / Bing Li in Journal of structural engineering, Vol. 137 N° 12 (Décembre 2011)
in Journal of structural engineering > Vol. 137 N° 12 (Décembre 2011) . - pp. 1470-1479
Titre : Effective stiffness of squat structural walls Type de document : texte imprimé Auteurs : Bing Li, Auteur ; Weizheng Xiang, Auteur Année de publication : 2012 Article en page(s) : pp. 1470-1479 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : RC squat structural walls Stiffness characteristic Initial stiffness Résumé : Reinforced concrete (RC) structural walls are the primary lateral-load carrying elements in many structures designed to resist earthquakes. A review of the technical literature shows considerable uncertainty with regards to the effective stiffness of these structures when subjected to seismic excitations, which many design practices currently deal with by employing a stiffness reduction factor. In an attempt to obtain additional information regarding the stiffness of these structures, an analytical approach, combining the flexure and shear components of deformation, is proposed to evaluate the effective stiffness of the RC walls tested. Based on this proposed analytical approach, a comprehensive parametric study comprising 180 combinations was carried out and a simple equation for assessing effective stiffness of RC squat structural walls then proposed, on the basis of these parametric case studies. DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v137/i12/p1470_s1?isAuthorized=no [article] Effective stiffness of squat structural walls [texte imprimé] / Bing Li, Auteur ; Weizheng Xiang, Auteur . - 2012 . - pp. 1470-1479.
Génie Civil
Langues : Anglais (eng)
in Journal of structural engineering > Vol. 137 N° 12 (Décembre 2011) . - pp. 1470-1479
Mots-clés : RC squat structural walls Stiffness characteristic Initial stiffness Résumé : Reinforced concrete (RC) structural walls are the primary lateral-load carrying elements in many structures designed to resist earthquakes. A review of the technical literature shows considerable uncertainty with regards to the effective stiffness of these structures when subjected to seismic excitations, which many design practices currently deal with by employing a stiffness reduction factor. In an attempt to obtain additional information regarding the stiffness of these structures, an analytical approach, combining the flexure and shear components of deformation, is proposed to evaluate the effective stiffness of the RC walls tested. Based on this proposed analytical approach, a comprehensive parametric study comprising 180 combinations was carried out and a simple equation for assessing effective stiffness of RC squat structural walls then proposed, on the basis of these parametric case studies. DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v137/i12/p1470_s1?isAuthorized=no
in Journal of structural engineering > Vol. 137 N° 8 (Août 2011) . - pp. 822-833
Titre : Experimental and analytical performance evaluation of engineering wood encased concrete-steel beam-column joints Type de document : texte imprimé Auteurs : Hiroshi Kuramoto, Auteur ; Bing Li, Auteur ; Kimreth Meas, Auteur Année de publication : 2011 Article en page(s) : pp. 822-833 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Engineering wood encased concrete-steel Beam-column joint Drift ratio Finite element Bond slip Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : The seismic performance of engineering wood encased concrete-steel (EWECS) beam-column joints is investigated and reported within this paper. Experimental and analytical investigation was carried out on a total of two interior and two exterior beam-column joints. These four beam-column joints typically consisted of an EWECS column and a wood encased steel beam. The primary parameter was the failure modes of the specimens, namely the beam flexural failure and the joint shear failure. The response of the specimens was presented in terms of their hysterisis loop behavior, crack pattern, joint shear distortion, and deformation decomposition ratios. In addition, the results obtained from a three-dimensional nonlinear finite-element analysis simulating their seismic behaviors were also compared with the test data. The finite-element analysis incorporated both bond stress-slip relationship and crack interface interaction at the unbonded connection region. The analytical prediction of joint shear strength was satisfactory for both interior and exterior joints. This validated numerical model was subsequently used to examine the contributions of the steel frame mechanism formed by the column flange, column web, and stiffener.
DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v137/i8/p822_s1?isAuthorized=no [article] Experimental and analytical performance evaluation of engineering wood encased concrete-steel beam-column joints [texte imprimé] / Hiroshi Kuramoto, Auteur ; Bing Li, Auteur ; Kimreth Meas, Auteur . - 2011 . - pp. 822-833.
Génie Civil
Langues : Anglais (eng)
in Journal of structural engineering > Vol. 137 N° 8 (Août 2011) . - pp. 822-833
Mots-clés : Engineering wood encased concrete-steel Beam-column joint Drift ratio Finite element Bond slip Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : The seismic performance of engineering wood encased concrete-steel (EWECS) beam-column joints is investigated and reported within this paper. Experimental and analytical investigation was carried out on a total of two interior and two exterior beam-column joints. These four beam-column joints typically consisted of an EWECS column and a wood encased steel beam. The primary parameter was the failure modes of the specimens, namely the beam flexural failure and the joint shear failure. The response of the specimens was presented in terms of their hysterisis loop behavior, crack pattern, joint shear distortion, and deformation decomposition ratios. In addition, the results obtained from a three-dimensional nonlinear finite-element analysis simulating their seismic behaviors were also compared with the test data. The finite-element analysis incorporated both bond stress-slip relationship and crack interface interaction at the unbonded connection region. The analytical prediction of joint shear strength was satisfactory for both interior and exterior joints. This validated numerical model was subsequently used to examine the contributions of the steel frame mechanism formed by the column flange, column web, and stiffener.
DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v137/i8/p822_s1?isAuthorized=no
in Journal of engineering mechanics > Vol. 139 N° 1 (Janvier 2013) . - pp.1–17.
Titre : Reliability assessment of damaged RC moment-resisting frame against progressive collapse under static loading conditions Type de document : texte imprimé Auteurs : Zhiwei Huang, Auteur ; Bing Li, Auteur ; Piyali Sengupta, Auteur Année de publication : 2013 Article en page(s) : pp.1–17. Note générale : Mécanique appliquée Langues : Anglais (eng) Mots-clés : Reliability assessment Progressive collapse Performance function Résumé : Prevention of structures against progressive collapse has become a concern of increasing significance and the alternative load path method (ALPM) is the extensively acknowledged approach in this area of research. With the basis of ALPM and by amalgamation of the Monte Carlo simulation method and an iterative algorithm, a new approach is developed in this paper to assess the reliability of ductile RC frame structures when subjected to one column failure. This paper focuses on the construction and solution of the performance function of the damaged structure under static service loadings. With this intention, three types of critical zones are identified and an optimum model is presented to determine the possible failure modes for each zone. By employing the virtual work principle and critical collapse mechanism criterion, the performance function is established in terms of minimum internal virtual work and external virtual work done by service loadings. Three equations containing the interaction between the axial forces and bending strength of structural members are evolved to calculate this function, and by solving these equations from the top floor to the floor of the failed column the performance of the damaged structure can be appraised. ISSN : 0733-9399 En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29EM.1943-7889.0000455 [article] Reliability assessment of damaged RC moment-resisting frame against progressive collapse under static loading conditions [texte imprimé] / Zhiwei Huang, Auteur ; Bing Li, Auteur ; Piyali Sengupta, Auteur . - 2013 . - pp.1–17.
Mécanique appliquée
Langues : Anglais (eng)
in Journal of engineering mechanics > Vol. 139 N° 1 (Janvier 2013) . - pp.1–17.
Mots-clés : Reliability assessment Progressive collapse Performance function Résumé : Prevention of structures against progressive collapse has become a concern of increasing significance and the alternative load path method (ALPM) is the extensively acknowledged approach in this area of research. With the basis of ALPM and by amalgamation of the Monte Carlo simulation method and an iterative algorithm, a new approach is developed in this paper to assess the reliability of ductile RC frame structures when subjected to one column failure. This paper focuses on the construction and solution of the performance function of the damaged structure under static service loadings. With this intention, three types of critical zones are identified and an optimum model is presented to determine the possible failure modes for each zone. By employing the virtual work principle and critical collapse mechanism criterion, the performance function is established in terms of minimum internal virtual work and external virtual work done by service loadings. Three equations containing the interaction between the axial forces and bending strength of structural members are evolved to calculate this function, and by solving these equations from the top floor to the floor of the failed column the performance of the damaged structure can be appraised. ISSN : 0733-9399 En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29EM.1943-7889.0000455
in Journal of structural engineering > Vol. 136 N° 1 (Janvier 2010) . - pp. 26-36
Titre : Seismic behavior of reinforced concrete exterior wide beam-column joints Type de document : texte imprimé Auteurs : Bing Li, Auteur ; Sudhakar A. Kulkarni, Auteur Année de publication : 2011 Article en page(s) : pp. 26-36 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Wide-beam Joint shear Reinforcing detail Drift ratio Finite element Bond slip Column axial load Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : An experimental and numerical investigation carried out on RC wide beam-column joints when subjected to seismic loads is reported within this paper. The experimental study was conducted by subjecting three full-scale wide exterior beam-column specimens to simulated seismic loads at the Nanyang Technological University of Singapore. Simulations of earthquake loadings were applied on to the specimens via quasistatic load reversals. Seismic performance analysis of the joints were based on the results obtained from the experiment in terms of their general behavior, hysteresis response, and the strain profiles of the longitudinal reinforcement within the specimens. These experimental results were then used to validate a three-dimensional (3D) nonlinear finite-element (FE) model. The behavior of the joints under the influence of critical influencing factors like column axial load, transverse beam, and beam bar anchorage ratio were also analyzed through the parametric studies carried out.
DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v136/i1/p26_s1?isAuthorized=no [article] Seismic behavior of reinforced concrete exterior wide beam-column joints [texte imprimé] / Bing Li, Auteur ; Sudhakar A. Kulkarni, Auteur . - 2011 . - pp. 26-36.
Génie Civil
Langues : Anglais (eng)
in Journal of structural engineering > Vol. 136 N° 1 (Janvier 2010) . - pp. 26-36
Mots-clés : Wide-beam Joint shear Reinforcing detail Drift ratio Finite element Bond slip Column axial load Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : An experimental and numerical investigation carried out on RC wide beam-column joints when subjected to seismic loads is reported within this paper. The experimental study was conducted by subjecting three full-scale wide exterior beam-column specimens to simulated seismic loads at the Nanyang Technological University of Singapore. Simulations of earthquake loadings were applied on to the specimens via quasistatic load reversals. Seismic performance analysis of the joints were based on the results obtained from the experiment in terms of their general behavior, hysteresis response, and the strain profiles of the longitudinal reinforcement within the specimens. These experimental results were then used to validate a three-dimensional (3D) nonlinear finite-element (FE) model. The behavior of the joints under the influence of critical influencing factors like column axial load, transverse beam, and beam bar anchorage ratio were also analyzed through the parametric studies carried out.
DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v136/i1/p26_s1?isAuthorized=no
in Journal of structural engineering > Vol. 136 N° 6 (Juin 2010) . - pp. 627-636
Titre : Verification of nondimensional energy spectrum-based blast design for reinforced concrete members through actual blast tests Type de document : texte imprimé Auteurs : Bing Li, Auteur ; Zhi Wei Huang, Auteur ; Chee Leong Lim, Auteur Année de publication : 2011 Article en page(s) : pp. 627-636 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Blast load Blast-resistant design Reinforced concrete Nondimensional energy spectrum Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : A method has been developed for the design of reinforced concrete (RC) members when subjected to blast loadings based on the nondimensional energy spectrum. Numerical analyzes showed good agreement between the approximate responses of RC members designed to their respective levels of target response. This paper further verifies this method through the actual response of a RC column and beam subjected an actual denotation of explosives at a short standoff. When subjected to blast loading from a short standoff distance, the cantilever column behaved predominantly in direct shear. Thus, ways to mitigate the damage of a cantilever column should draw focus on the robustness. The developed design procedure provides a feasible method for the blast resistant design of members, subjected to blast loads at a short standoff distance.
DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v136/i6/p627_s1?isAuthorized=no [article] Verification of nondimensional energy spectrum-based blast design for reinforced concrete members through actual blast tests [texte imprimé] / Bing Li, Auteur ; Zhi Wei Huang, Auteur ; Chee Leong Lim, Auteur . - 2011 . - pp. 627-636.
Génie Civil
Langues : Anglais (eng)
in Journal of structural engineering > Vol. 136 N° 6 (Juin 2010) . - pp. 627-636
Mots-clés : Blast load Blast-resistant design Reinforced concrete Nondimensional energy spectrum Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : A method has been developed for the design of reinforced concrete (RC) members when subjected to blast loadings based on the nondimensional energy spectrum. Numerical analyzes showed good agreement between the approximate responses of RC members designed to their respective levels of target response. This paper further verifies this method through the actual response of a RC column and beam subjected an actual denotation of explosives at a short standoff. When subjected to blast loading from a short standoff distance, the cantilever column behaved predominantly in direct shear. Thus, ways to mitigate the damage of a cantilever column should draw focus on the robustness. The developed design procedure provides a feasible method for the blast resistant design of members, subjected to blast loads at a short standoff distance.
DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v136/i6/p627_s1?isAuthorized=no
