Parametric Modeling Of Dynamo In Snow Cave Structure Of Ski Resort And Research On Reinforcement Technology

With the rapid development of China’s construction industry,the concept of BIM has been widely known in the construction field.BIM has been clearly written into the "Twelfth Five-Year Plan" for the development of the construction industry,and the " Construction Industry Development" issued by the Ministry of Housing and Urban-Rural Development In the "Planning",it is one of the three major goals of technological progress to promote the development and application of information technology based on BIM and increase the intensity of informationization.At present,building materials,construction equipment,computer software technology,etc.are flourishing,parametric design update iterations,architectural design methods,methods and thinking about complex shapes are constantly being refreshed and broken,and more and more complex forms appear.Around the world,the requirements of these heterogeneous complexes are increasingly required for the parametric creation of BIM models.However,the efficient and rapid method of creating complex models has become a fundamental problem in the application of BIM technology.Aiming at this problem,this paper proposes a Dynamo-based parametric model construction method,which uses the Winter Olympics ski resort as the project background to solve the complex parametric model creation and the problen of the creation of the deformed steel model.This paper first analyzes the domestic and foreign research status of BIM technology and the status quo of BIM-based parametric research.Combined with the current needs of solving the complex BIM parametric model problem,the main research contents and research framework of the article are proposed.The basic principle of parameterization is paved,and the parametric BIM parametric modeling platform Dynamo is introduced to analyze its parameterization performance.Secondly,according to the proposed complex parametric model construction and the problem of steel model construction,the traditional methods based on Revit are used to analyze the spatial surface truss,complex architectural shape,underground complex space structure and steel model construction of complex models.The problem will be analyzed by Dynamo method in these aspects,which gives the advantage of being efficient,easy to operate,and solving the limitations of traditional methods.At the same time,it proposes a solution and creates a complex parametric model and steel model based on Dynamo.The method is summarized.Thirdly,the Dynamo-based parametric model creation method is applied to the ski resort project.According to the characteristics of the complex model of the ski resort,the idea is built,the snow cave model is established,and the program node of the snow cave family is generated through the Python Scrip node in Dynamo.A method for creating a snow hole is summarized.The prepared ski field model generation program can be applied to the model creation of a straight segment or a three-dimensional curved segment shaped tunnel,and summarizes the experience for creating such a BIM complex model.Finally,based on the establishment of the snow cave model,the method of creating a model based on Dynamo parameterization is used to explore the reinforcement method of the snow hole lining structure,and the idea of creating a snow hole lining structure steel bar model by Dynamo is compiled.The main reinforcement is prepared according to the characteristics of the snow hole reinforcement.The Dynamo reinforcement node program for distributing ribs and lacing is used to build a steel bar model.This paper summarizes the method of using Dyanmo to establish a snow-shaped deformed steel bar model for ski resorts.The method is applicable to the creation of all BIM shaped steel bars.The prepared reinforcement program can be used for the reinforcement of shaped members.