摘要:
本文以某项目带双曲变截面梁的异形钢结构屋盖为例，分别阐述了Revit软件和Grasshopper插件创建双曲变截面梁的建模机理，并借助工程案例，验证了Grasshopper程序进行快速建模的可行性。结果表明，通过Grasshopper程序拾取三维线型模型进行分段，并以输入角点坐标的形式创建2种截面形状尺寸后，将梁截面曲线分别垂直放置于分段后的3组线段上，利用放样命令和布尔差集命令能够快速、批量地生成异形钢结构屋盖模型，大幅提升建模效率，节约了大量的模型修改时间，具备较高的实用性。
摘要:
国产BIM引擎BIMBase在建筑和工程领域已得到广泛应用，但在处理发电厂大体量模型时，性能和效率有所降低。针对这一问题，本文提出了一系列优化方案，以提高BIMBase在处理发电厂大体量模型时的性能和效率，从而满足发电领域的需求。首先，本文调研和分析了BIMBase引擎的工作原理和结构，研究了在渲染大规模数据时面临的挑战和问题；其次，基于已有的研究成果，本文提出了量化优化指标、优化渲染算法等方法；最后，本文在实验中对优化方案进行验证和评估。结果表明，这些方法能够显著提高BIMBase引擎在渲染大规模数据时的性能和效率。本文提供了一套对BIM引擎在发电领域应用上的优化方法论和优化方案，可为其他BIM图形引擎优化提供一些参考和借鉴。此外，本文还对这些优化方案的效果进行了分析和讨论，以提供一些实践指导和参考。
摘要:
大跨度钢桁梁桥的构件制造及拼装复杂，采用场内预制组装仍需消耗大量的人力、财力及工期。因此，本文采用BIM桥梁建模、三维激光扫描和虚拟预拼装技术，进行了基于BIM技术的施工方案模拟的可行性研究和基于BIM技术与三维激光扫描方法结合的构件加工质量检测研究，并在此基础上进行了基于BIM技术与三维激光扫描方法结合的虚拟拼装技术研究，探索了大跨度钢桁梁桥智能建造技术应用于指导工程实施的可行性。
摘要:
纤维缠绕建造技术是一种以无芯纤维缠绕技术为基础，采用自主建造机器人来实现大尺寸纤维缠绕结构及其构件的快速、准确和自动化建造的新型技术。本文针对纤维缠绕技术具有扩展到大尺寸建筑及其构件建造的潜力，首先重点介绍了纤维缠绕技术的基本原理、材料系统、机械设备和关键技术，其次梳理和归纳了这一新型建造技术在建筑施工领域中的应用，最后进一步探索和展望纤维缠绕建造技术的未来发展方向。
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