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Design provisions for autoclaved aerated concrete (AAC) structural systems.

机译：高压灭菌加气混凝土（AAC）结构系统的设计规定。

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摘要

The objective of this research program was to develop reliable design provisions for AAC structural systems. Typical AAC construction uses AAC shear walls combined with AAC floor or roof diaphragms. AAC shear walls are the predominant structural application of AAC. Because the behavior of AAC shear walls under combinations of reversed cyclic in-plane loading and gravity load is potentially complex, design provisions for AAC shear walls are of fundamental importance.; A comprehensive testing program was developed. The first phase of that testing program was intended to determine the behavior of AAC shear walls subjected to reversed cyclic lateral loads. Walls were made of a variety of AAC units, including masonry-type units and reinforced panels, laid either horizontally or vertically. The aspect ratio of the specimens (ratio of height to base length) varied from 0.6 to 3, and each specimen was designed to fail in either shear or flexure. Based on test results, procedures and corresponding design equations were developed to predict the behavior of AAC shear walls as governed by flexure, shear, and other limit states.; The second phase of the testing program involved the design, construction and testing, under reversed cyclic lateral loads, of a full-scale, two-story AAC assemblage specimen. Results from this second phase were used to validate the previously developed design provisions for shear walls, to evaluate proposed procedures for the design of AAC floor systems and connections, and to evaluate the overall behavior of AAC structures.; The mechanical properties of a material are fundamental to the design process for that material. Mechanical properties of AAC were determined at the Ferguson Structural Engineering Laboratory and validated with the results of material tests performed at other laboratories. Based on the results of those tests, design-related equations for material properties were developed for use in design provisions.; The combination of these three facets has resulted in comprehensive and reliable design provisions for typical AAC structural systems, verified through extensive testing.
机译：该研究计划的目的是为AAC结构系统制定可靠的设计规定。典型的AAC建筑使用AAC剪力墙和AAC地板或屋顶隔板。 AAC剪力墙是AAC的主要结构应用。因为在反向循环面内载荷和重力载荷的作用下，AAC剪力墙的性能可能很复杂，因此AAC剪力墙的设计规定至关重要。制定了全面的测试程序。该测试程序的第一阶段旨在确定承受反向循环横向载荷的AAC剪力墙的性能。墙壁由各种AAC单元制成，包括水平或垂直放置的砖石结构单元和加固面板。样品的长宽比（高度与基长之比）从0.6到3不等，并且每个样品的设计均不能通过剪切或弯曲。根据测试结果，制定了程序和相应的设计方程，以预测AAC剪力墙在挠曲，剪力和其他极限状态下的行为。测试程序的第二阶段涉及在反向循环横向载荷下设计，建造和测试全尺寸，两层的AAC组装标本。第二阶段的结果用于验证先前制定的剪力墙设计规定，评估拟议的AAC地板系统和连接设计程序，以及评估AAC结构的整体性能。材料的机械性能是该材料设计过程的基础。 AAC的机械性能是在Ferguson结构工程实验室确定的，并已在其他实验室进行的材料测试结果得到验证。根据这些测试的结果，开发了与设计有关的材料特性方程式，用于设计规定。这三个方面的结合为典型的AAC结构系统提供了全面而可靠的设计规定，并通过大量测试进行了验证。

著录项

  • 作者

    Tanner, Jennifer Elaine.;

  • 作者单位

    The University of Texas at Austin.;

  • 授予单位 The University of Texas at Austin.;
  • 学科 Engineering Civil.
  • 学位 Ph.D.
  • 年度 2003
  • 页码 666 p.
  • 总页数 666
  • 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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