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Decision support for prefabrication strategy selection on building systems.

机译：为建筑系统上的预制策略选择提供决策支持。

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摘要

The rapid growth in sustainable construction and improvements in technology presents many opportunities for incorporating prefabrication in green buildings. However, the value of prefabrication is often limited when its benefits are not well understood by a project team and prefabrication decisions are not made early in the design phase. Existing decision-making tools for prefabrication are focused on project level decisions vs. system-level optimization and are intended to be used by contractors instead of designers or project teams.;To help project teams make more informed prefabrication decisions on a system level, this research identified a list of generic prefabrication opportunities and tactics and developed a dynamic programming based decision-making and analytical tool: Prefabrication Strategy Selection Methodology (PSSM). The term "prefabrication strategy" indicates a system-level action plan which involves many prefabrication-related decisions during each phase of the system's delivery. These decisions should be carefully coordinated since many of them are interrelated and can have a significant impact on one another. PSSM evaluates and determines prefabrication strategies according to their impact on the overall project goals regarding the initial cost, schedule, quality, and sustainability.;This research examined three types of building systems: wood framing systems, curtain wall systems, and mechanical systems. The predefined list of opportunities and tactics as well as the framework of PSSM were validated on nine case study projects. Preliminary observations and recommendations on the use of prefabrication among the three trades were collected from field visits for future study.
机译：可持续建筑的快速增长和技术的改进为将预制件纳入绿色建筑提供了许多机会。但是，当项目团队无法充分理解预制构件的好处并且在设计阶段就没有做出预制决策时，预制构件的价值通常会受到限制。现有的预制决策工具专注于项目级决策与系统级优化，旨在供承包商而非设计人员或项目团队使用;为了帮助项目团队在系统级做出更明智的预制决策，研究确定了通用的预制机会和策略列表，并开发了基于动态规划的决策和分析工具：预制策略选择方法（PSSM）。术语“预制策略”表示系统级的行动计划，该计划在系统交付的每个阶段都涉及许多与预制有关的决策。这些决定中的许多是相互关联的，并且可能彼此产生重大影响，因此应仔细协调这些决定。 PSSM根据预制策略对初始成本，进度，质量和可持续性等总体项目目标的影响来评估和确定预制策略。本研究研究了三种建筑系统：木框架系统，幕墙系统和机械系统。在九个案例研究项目中验证了预定义的机会和策略清单以及PSSM的框架。从实地考察中收集了三个行业中有关预制件使用的初步意见和建议，以供将来研究。

著录项

  • 作者

    Luo, Yupeng.;

  • 作者单位

    The Pennsylvania State University.;

  • 授予单位 The Pennsylvania State University.;
  • 学科 Engineering General.;Engineering Civil.
  • 学位 Ph.D.
  • 年度 2008
  • 页码 180 p.
  • 总页数 180
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 工程基础科学;建筑科学;
  • 关键词

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