Nowadays wind energy is becoming increasingly significant in the planning, development and growth of new electricity supply systems. Special attention has been given to land-based turbines for ensuring the efficient economical operation of massive hubs rising 100m above the ground, based on the idea that the bigger the turbine, the more complicated are the transportation and assembly processes. A new design of a wind turbine has several advantages compared to conventional designs; one of these advantages lies in the use of prefabricated elements, which increases efficiency. The implementation of information technology as a complement to prefabrication techniques is a further aim of this research, which seeks to improve the overall performance of the project. Consequently, Building Information Modelling is suggested as the most suitable methodology for complementing off-site techniques and reaching higher efficiency by improving design, manufacture, transportation and assembly processes. This paper will present the research project “hybrid² tower for wind turbines” funded by the State of Hesse, Germany, which focuses on a new, efficient and economical design for high wind turbine towers. The new hybrid² tower is composed of a concrete tower containing prefabricated concrete quarter-circle elements, steel beams and a steel tube tower on the top. The combination of concrete and steel beams improves the static and dynamic performance of the main supporting structure. With this new design, the weight of the concrete tower is estimated to decrease by 40 % compared to a traditional full-concrete tower and, as a positive consequence, the cost of assembly (including assembly on site) is reduced. Due to the energy revolution, a special focus is put on the development of renewable energies, especially wind power. The steadily increasing hub heights of wind turbines means that tower structures have to be more massive. The development of the hybrid² tower by using Building Information Modeling and prefabrication techniques leads to an optimized performance and reduces transport and assembly costs.

中文翻译：

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通过建筑信息模型和预制技术优化陆上风力涡轮机混合塔

如今，风能在新的供电系统的规划，开发和增长中变得越来越重要。基于陆上涡轮机的特殊思想，即基于涡轮机越大，运输和组装过程越复杂的思想，以确保大型枢纽在地面上100m处的高效经济运行。与传统设计相比，新设计的风力涡轮机具有多个优势；这些优点之一在于使用预制元件，从而提高了效率。信息技术的实施是对预制技术的补充，是本研究的另一个目标，旨在提高项目的整体绩效。所以，建筑信息模型被认为是补充非现场技术并通过改进设计，制造，运输和组装过程达到更高效率的最合适方法。本文将介绍由德国黑森州资助的“用于风力涡轮机的混合动力塔”的研究项目，该项目着重于新型，高效，经济的高风力涡轮机塔架设计。新的hybrid²塔由一个混凝土塔组成，其中包含预制的混凝土四分之一圆单元，钢梁和顶部的钢管塔。混凝土和钢梁的组合可改善主要支撑结构的静态和动态性能。通过这种新设计，与传统的全混凝土塔相比，混凝土塔的重量估计减少了40％，并且，积极的结果是，降低了组装成本（包括现场组装）。由于能源革命，人们特别关注可再生能源特别是风能的发展。风力涡轮机的轮毂高度不断增加，这意味着塔架结构必须更大。通过使用建筑信息模型和预制技术开发Hybrid²塔，可以优化性能并降低运输和组装成本。