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Applicability of traditional design procedures to modular steel buildings.

机译：传统设计程序对模块化钢结构建筑物的适用性。

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摘要

Modular Steel Buildings (MSBs) have unconventional detailing requirements, compared to traditional onsite steel buildings. This may affect their design and performance. Currently, traditional design procedures are followed in their design. This thesis evaluates the performance of MSBs under gravity and seismic loads. It documents for the first time a detailed description of this unique steel building system and its detailing requirements and provides the first analytical experimental investigation that aims at improving its design methodology.;The effect of directly welded stringer-to-beam connections used in MSBs on behaviour and design of MSBs floors is investigated using the finite element method. The results obtained revealed that this unique connection type affects the design of the floor stringers and welded connections but has little effect on the floor beams. Empirical relations and a simplified model were developed to predict the forces and moments likely to develop in MSB floor stringers.;Nonlinear seismic performance and characteristics of braced frames of a typical MSB were studied using cyclic tests, nonlinear static pushover analysis, and incremental dynamic analyses. These studies consist of (i) an experimental investigation of the hysteretic behaviour of a scaled one-bay one-storey MSB braced frame; (ii) the strength and ductility design of braced frames of a typical MSB dormitory; (iii) the development of analytical models of selected braced frames of MSBs accounting for their unique detailing requirements and the hysteresis of steel bracing members; (iv) a study of the effect of design philosophy on the nonlinear behaviour of MSB braced frames using pushover analyses; (v) the evaluation of structural overstrength and displacement ductility of the braced frames using pushover analyses; and (vi) the assessment of seismic inelastic drift and ductility demands and capacities of the braced frames using an incremental dynamic analysis. It is concluded that while the MSB frame configuration may not significantly affect certain design and behavioural characteristics, in some others its unique detailing requirements need to be considered during design to eliminate undesirable seismic response.;Keywords. Modular steel buildings, floor system, directly welded stringer-to-beam connections, braced frames, cyclic test, nonlinear static pushover analysis, incremental dynamic analysis, inelastic behaviour and characteristics.
机译：与传统的现场钢结构建筑相比，模块化钢结构建筑（MSB）具有非常规的细节要求。这可能会影响其设计和性能。当前，在设计中遵循传统的设计程序。本文评估了重力和地震荷载作用下的移动电话的性能。它首次记录了这种独特的钢结构建筑系统及其详细要求的详细说明，并提供了旨在改善其设计方法的首次分析实验研究。MSB中使用的直接焊接纵梁到梁的连接对结构的影响使用有限元方法研究了MSB地板的行为和设计。获得的结果表明，这种独特的连接类型会影响地板纵梁和焊接连接的设计，但对地板横梁影响很小。建立了经验关系和简化模型来预测MSB地板纵梁中可能产生的力和力矩。;使用循环试验，非线性静态推覆分析和增量动力分析研究了典型MSB的非线性抗震性能和支撑框架的特性。这些研究包括：（i）对缩放后的单托架单层MSB支撑框架的滞后行为进行的实验研究； （ii）典型的MSB宿舍的支撑框架的强度和延展性设计； （iii）开发选定的MSB支撑框架的分析模型，考虑其独特的详细要求和钢支撑构件的滞后性； （iv）使用推覆分析研究设计理念对MSB支撑框架非线性行为的影响； （v）使用推覆分析评估支撑框架的结构超强度和位移延展性； （vi）使用增量动力分析评估地震非弹性漂移和延性要求以及支撑框架的能力。结论是，尽管MSB框架配置可能不会显着影响某些设计和行为特征，但在某些其他方面，在设计过程中需要考虑其独特的细节要求，以消除不良的地震响应。模块化钢结构建筑，地板系统，桁架梁直接焊接，支撑框架，循环试验，非线性静力推覆分析，增量动力分析，无弹性行为和特性。

著录项

  • 作者

    Annan, Charles-Darwin.;

  • 作者单位

    The University of Western Ontario (Canada).;

  • 授予单位 The University of Western Ontario (Canada).;
  • 学科 Engineering Civil.
  • 学位 Ph.D.
  • 年度 2009
  • 页码 230 p.
  • 总页数 230
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 建筑科学;
  • 关键词

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