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BIM pilot project Auenbach viaduct - Innovative design methods in bridge construction

机译：BIM试点项目Auenbach高架桥-桥梁施工中的创新设计方法

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Auenbach viaduct was chosen by the German Federal Ministry of Transport and Digital Infrastructure (BMVI) as the first of four pilot projects for the implementation of design and construction processes with the aid of the Building Information Modelling (BIM) method. In the course of the preliminary design phase this project's existing designs were to be subjected to an extended economic feasibility study. The structure leads the Federal Highway B 107 across the Auenbach valley, a service road and several tracks on the Dresden-Werdau railway line. Originally the structure was intended to span the entire valley with a total length of about 273 m. During the overall optimisation of the alignment in position and elevation the structure was separated into two single structures linked by an intermediate embankment. In the frame of the pilot project a coordinated complete model was prepared. The aim was to integrate all the project planning models for engineering structures as well as the models of the specialist planners for traffic facilities, subsoil and environment in accordance with the design status in each case. The results of this service phase were provided to the further BIM processes as an object-based, coordinated 3-D complete model. By means of a model-based time schedule it was then possible to perform a complex analysis of the model data (e.g. quantities, costs, deadlines, collision detection, etc) and carry out optimisations. The objective of the intended continuation of the pilot project is the automated, model-based elaboration of the final design and tender for the structure. With the digitalization of construction the design and implementation process is undergoing a fundamental methodological transformation. From the standpoint of the owner DEGES and the project planner OBERMEYER the effects expected as a result of establishing the BIM method should be investigated, checked and assessed.
机译：Auenbach高架桥被德国联邦运输和数字基础设施部（BMVI）选择为四个试点项目中的第一个，借助建筑信息模型（BIM）方法实施设计和施工过程。在初步设计阶段，该项目的现有设计将接受扩展的经济可行性研究。该结构引导着横跨Auenbach山谷的联邦B 107公路，一条服务公路和德累斯顿-维尔道铁路线上的多条轨道。最初，该结构旨在跨越整个山谷，总长度约为273 m。在对位置和高程的路线进行整体优化的过程中，将结构分为由中间路堤链接的两个单个结构。在试点项目的框架中，准备了一个协调的完整模型。目的是根据每种情况的设计状态，集成工程结构的所有项目规划模型以及交通设施，地基和环境的专业规划师模型。该服务阶段的结果已作为基于对象的协调3-D完整模型提供给其他BIM流程。然后，通过基于模型的时间表，可以对模型数据进行复杂的分析（例如数量，成本，期限，碰撞检测等）并进行优化。试点项目的预期继续目标是对最终设计和招标进行基于模型的自动化详细设计。随着建筑的数字化，设计和实施过程正在经历根本的方法论转变。从所有者DEGES和项目计划者OBERMEYER的角度出发，应研究，检查和评估由于建立BIM方法而产生的预期效果。

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