Bridge structures with zero emissions

零排放桥梁结构项目是与MTC合作的项目。对于建筑业来说，绝对零度报告提出的两个关键挑战是关闭所有高炉钢生产，以及我们没有可扩展的实用替代品来替代波特兰水泥。进一步的影响将改变建设的背景，将没有足够的零排放电力来支持今天的电动汽车，因此对公共交通的需求将会上升。这对桥梁建设的未来意味着什么？拟议中的博士学位将是“T形”的--第一年广泛地界定主题，抽样行业意见，并确定可能的技术干预措施。然后，第二年和第三年将着眼于更多的技术性项目--详细研究从第一年的结果中显示出最有希望的技术干预措施。当我们思考零排放桥梁时出现的两个关键技术问题是：我们如何才能在没有水泥/混凝土的情况下将桥梁接地。例如，钢制附着体的耐久性有哪些影响？振动，等等。使用无排放材料建造桥梁的最大性能是什么：例如，如果用水射流切割的石头建造非常精确的几何形状，那么最理想的石桥是什么？最高、最坚固的木桥是什么？

The Bridge structures with zero emissions project is with MTC. For the construction industry, the two critical challenges presented by the Absolute Zero report are the closure of all blast-furnace steel production and the fact that we have no scalable practical alternatives to Portland cement. Further implications change the context of construction, there won't be enough emissions-free electricity to support electric vehicles at today's levels and consequently demand for public transport will rise. What does this mean for the future of bridge construction?The proposed PhD would be "T-shaped" - a first year scoping the topic broadly, sampling industrial opinion, and identifying possible technical interventions. Years two and three would then aim at more technical projects - looking in detail at technological interventions that show the most promise from the results of the first year. Two example key technical questions that arise as we think about zero emissions bridges and could be of real interest and value are:How can we ground a bridge without cement/ concrete. For example, what are the durability implications of steel attachments? What of vibrations, etc.What is the maximum performance would could get from constructing bridges with emissions-free materials: for example, what is the optimal stone bridge, if built with waterjet-cut stone, and very precise geometry? What is the tallest, strongest timber bridge possible?