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Sustainability evaluation of timber dwellings in the north of Sweden based on environmental impact and optimization of energy and cost

机译：基于环境影响和能源和成本优化的瑞典北方木材住宅的可持续发展评价

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摘要

Identifying design variations that strike the balance between environmental, energy and cost can be aided using multi-objective optimization. From the resulting Pareto-solutions, selecting a single optimal solution remains a challenge. Thus, research is still needed to increase the practical use of optimization for architectural, engineering and construction (AEC) practitioners. This paper presents the use of an optimization approach where the results and an environmental assessment are discussed with AEC practitioners. The method was tested in two case studies: a prestige tourist cottage and a multifamily residential building. Different superstructures, insulation materials and windows were varied for the cottage’s envelope whilst evaluating life-cycle energy and cost. In addition, the environmental impact in terms of CO2emissions was evaluated for the initial and optimal design suggestions for the two different superstructures. For the residential building, the insulation material thickness and the windows were varied for its evaluation of life-cycle energy and cost. For the cottage, a report was written and then read by the practitioners and used as a base for future decisions. For the residential building, the results were presented orally for the practitioners. In both cases, it was possible to communicate the overarching results of the optimizations through visual plots, although future research should find ways to also explain the detailed results.
机译：识别使用多目标优化可以辅助在环境，能量和成本之间取得平衡的设计变化。从产生的帕累托解决方案中，选择单个最佳解决方案仍然是一个挑战。因此，仍然需要研究以增加建筑，工程和建筑（AEC）从业者的优化的实际应用。本文介绍了使用优化方法，结果和环境评估与AEC从业者讨论。该方法在两种案例研究中进行了测试：威望旅游小屋和多达米尔住宅建筑。在评估生命周期能量和成本时，山寨的信封不同的上层建筑，绝缘材料和窗户都是不同的。此外，对两种不同上层建筑的初始和最佳设计建议评估了CO2emissions的环境影响。对于住宅建筑，绝缘材料厚度和窗户因其对生命周期能量和成本的评估而变化。对于山寨，编写了一份报告，然后由从业者遵守并用作未来决定的基础。对于住宅建筑，结果为从业者口头呈现。在这两种情况下，虽然未来的研究应该找到还可以解释详细结果的方法，但可以通过视觉图来传达优化的总体结果。

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