Evaluation of Building Stiffness for Building Response Analysis to Excavation-Induced Ground Movements
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 133, Issue 8
Abstract
A major element in the design and construction of tunnels and braced excavations in urban areas is the control of ground movements and protection of adjacent or overlying structures, which are often constructed with masonry and set on shallow foundations. Initial evaluation of potential building damage is obtained by assuming that building distortion is compliant with the imposed ground movements. Further investigations take into consideration the reduction in building distortion that occurs as a result of building stiffness. Presented in this paper are the results of numerical analyses for evaluating the equivalent bending and shear stiffness of masonry structures taking into account the anisotropy of the masonry units and the percentage of window openings. The distinct element code, UDEC, has been used to model each masonry block and the mortar between blocks for masonry walls in plane stress conditions. Parametric studies, conducted for a range of window opening percentage and brick/mortar joint stiffness, show that the equivalent shear stiffness for buildings with windows are low, typically in the range of 1/10–1/20 of the equivalent bending stiffness. Thus, for most masonry buildings, the shear deformation is dominant for a building subjected to excavation-induced ground movements. Equivalent bending and shear stiffness evaluated by the numerical analyses is compared with field data and analytical calculations, which may be available only for the case of no window openings.
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Acknowledgments
This study was funded by the National Science Foundation (NSF) and Schnabel Foundation Co. These supports are gratefully acknowledged.NSF
References
Addenbrooke, T. I. (1996). “Numerical analysis of tunneling in stiff clay.” Ph.D. thesis, Univ. of London, Imperial College of Science, Technology and Medicine, London.
Atkinson, R. H., Amadei, B. P., Saeb, S., and Sture, S. (1989). “Response of masonry bed joints in direct shear.” J. Struct. Eng., 115(9), 2276–2296.
Azevedo, J., Sincraian, G., and Lemos, J. V. (2000). “Seismic behavior of blocky masonry structures.” Earthquake Spectra, 16(2), 337–365.
Boone, S. J. (1996). “Ground-movement-related building damage.” J. Geotech. Engrg., 122(11), 886–896.
Boscardin, M. D., and Cording, E. J. (1989). “Building response to excavation-induced settlement.” J. Geotech. Engrg., 115(1), 1–21.
Brookes, C. L., and Mehrkar-Asl, S. (1998). “Numerical modelling of masonry using discrete elements.” Seismic design practice into the next century, E. Booth, ed., Balkema, Rotterdam, The Netherlands, 131–137.
Brookes, C. L., and Swift, R. J. R. (2000). “Numerical modelling of masonry to explore the performance of anchor based repair systems and the repair of monuments in Cairo.” UNESCO/ICOMOS International Conf., Istanbul, Turkey.
Burd, H. J., Houlsby, G. T., Augarde, C. E., and Liu, G. (2000). “Modelling the effects on masonry buildings of tunnelling-induced settlement.” Proc. Inst. Civ. Eng., Geotech. Engr., 143(1), 17–29.
Burland, J. B. (1995). “Assessment of risk of damage to buildings due to tunneling and excavation.” Proc., 1st Int. Conf. on Earthquake Geotechnical Engineering, Tokyo.
Burland, J. B., Mair, R. J., and Standing, J. R. (2004). “Ground performance and building response to tunneling.” Proc., Int. Conf. on Advances in Geotechnical Engineering, Vol. 1, Thomas Telford, London, 291–342.
Burland, J. B., and Wroth, C. P. (1974). “Settlement behavior of buildings and associated damage.” Proc., Conf. on Settlement of Structures, Pentech Press, London, 611–654.
Cook, D. (1994). “Studies of settlement and crack damage in old and new facades.” Proc., 3rd Int. Masonry Conf., London, 6, 203–211.
Finno, R. J., and Bryson, L. S. (2002). “Response of building adjacent to stiff excavation support system in soft clay.” J. Perform. Constr. Facil., 16(1), 10–20.
Gere, J. M., and Timoshenko, S. P. (1990). Mechanics of materials, 3rd ed., PWS-KENT Publishing Company, Boston.
Itasca Consulting Group, Inc. (2000). UDEC 3.1 theory and manual, Minn.
Lemos, J. V. (1991). “Assessment of the ultimate load o a masonry arch using discrete elements.” Int. Symp. on Computer Method in Structural Masonry, Vol. 2, Swansea, 294–302.
Rankin, W. J. (1988). “Ground movements resulting from urban tunnelling: Predictions and effects.” Engineering geology of underground movements, F. G. Bell, M. G. Colshaw, J. C. Cripps, and M. A. Lovell, eds., Geological Society, London, 79–92.
Simpson, B. (1994). “A model of interaction between tunneling and a masonry structure.” Proc., 3rd European Conf. on Numerical Methods in Geotechnical Engineering, Balkema, Rotterdam, The Netherlands, 221–228.
Simpson, B., and Grose, W. J. (1996). “Discussion: The effect of ground movements on rigid masonry facades.” Proc., Int. Symp. on Geotechnical Aspects of Underground Construction in Soft Ground, 769–770.
Sincraian, G. E., and Azevedo, J. J. (1998). “Numerical simulation of the seismic behavior of stone and brick masonry structures using the discrete element method.” 11th European Conf. on Earthquake Engineering, Paris.
Singh, B. (1973). “Continuum characterization of jointed rock masses; Part 1: The constitutive equations.” Int. J. Rock Mech. Min. Sci. and Geomech., 10, 311–335.
Son, M. (2003). “The response of buildings to excavation-induced ground movements.” Ph.D. thesis, Univ. of Illinois at Urbana-Champaign, Urbana, Ill.
Son, M., and Cording, E. J. (2005). “Estimation of building damage due to excavation-induced ground movements.” J. Geotech. Geoenviron. Eng., 131(2), 162–177.
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© 2007 ASCE.
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Received: Aug 2, 2005
Accepted: Jan 29, 2007
Published online: Aug 1, 2007
Published in print: Aug 2007
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