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Human Progress — And Collapse?
Energy & Environment, 2005Against the human experience of long-term stagnation and misery, the record of growing prosperity over the past two centuries, and in particular the last fifty years, is astounding. Economic growth owes much to the mobilisation of resources and structural flexibility, but this depends on the ‘software of economic development’ – institutions, which ...
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Journal of Pressure Vessel Technology, 1987
In the field of finite element structural analysis, the computation of collapse states of structures prone to unstable behavior has long been considered a difficult if not intractable problem. Only recently have procedures that deal effectively with this difficulty found their way in general-purpose finite element codes.
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In the field of finite element structural analysis, the computation of collapse states of structures prone to unstable behavior has long been considered a difficult if not intractable problem. Only recently have procedures that deal effectively with this difficulty found their way in general-purpose finite element codes.
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Approximations in Progressive Collapse Modeling
Journal of Structural Engineering, 2011Assumptions must necessarily be made when the collapse response of structures is investigated using simulation models. The type and extent of modeling assumptions depend on the computational resources available, modeling expertise, and results sought.
Yasser Alashker +2 more
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Typology of progressive collapse
Engineering Structures, 2007Abstract A typology and classification of progressive collapse of structures is developed that is founded on a study of the various underlying mechanisms of collapse. Six different types and four classes are discerned, the characteristic features of each category are described and compared, and a terminology is suggested.
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Reliability‐Based Progressive Fatigue Collapse
Journal of Structural Engineering, 1983General relationships between individual joint reliability and overall system reliability in a redundant structure with no repair program are presented. Using a fatigue reliability model, a Monte Carlo analysis provided a distribution of time to failure for various degrees of redundancy.
Scott G. Martindale, Paul H. Wirsching
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Classification and Nomenclature: Progressive Collapsing Foot Deformity
Foot & Ankle International, 2020Recommendation: The historical nomenclature for the adult acquired flatfoot deformity (AAFD) is confusing, at times called posterior tibial tendon dysfunction (PTTD), the adult flexible flatfoot deformity, posterior tibial tendon rupture, peritalar instability and peritalar subluxation (PTS), and progressive talipes equinovalgus.
Mark S. Myerson +8 more
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Progressive Collapsing Flatfoot Deformity
Foot & Ankle Specialist, 2022Scott, Ellis +2 more
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Progressive collapse behaviour of composite substructure with large rectangular beam-web openings
Engineering structures, 2023Bao Meng +4 more
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Methodologies for Progressive Collapse Analysis
Structures Congress 2009, 2009Existing building codes contain some guidance on progressive collapse analysis and design. Unfortunately, in most of the U.S. building codes and standards that contain progressive collapse provisions, the available guidance is either vague, or does not define, the key issues that must be addressed.
Steven W. Kirkpatrick +4 more
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