Arch dam construction period deformation field dynamic fitting analysis method based on BIM (building information modeling)

An analysis method and deformation field technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problem that dam deformation data cannot be correlated and analyzed, and cannot directly reflect the overall distribution of dam deformation, distribution characteristics and overall issues such as changing trends

Active Publication Date: 2017-05-17
武汉英思工程科技股份有限公司
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Problems solved by technology

[0004] There are two disadvantages in the above-mentioned traditional analysis method: firstly, the dam deformation data cannot be directly correlated with the real-time construction progress (dam structure) image; secondly,

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  • Arch dam construction period deformation field dynamic fitting analysis method based on BIM (building information modeling)
  • Arch dam construction period deformation field dynamic fitting analysis method based on BIM (building information modeling)
  • Arch dam construction period deformation field dynamic fitting analysis method based on BIM (building information modeling)

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Embodiment Construction

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] Such as figure 1 As shown, the BIM-based arch dam construction period deformation field dynamic fitting analysis method of the present invention comprises the following steps:

[0024] S1. Use BIM three-dimensional modeling software to carry out three-dimensional modeling of the structure of the arch dam, and form a three-dimensional structural model of the arch dam including the main body of the arch dam and the cavity structure.

[0025] S2. Use the finite element pre-processing software to divide the three-dimensional structural model of the arch dam sub-section into meshes, transform it into a surface triangular mesh model of the sub-dam section, and optimize the deformed or wrong elements.

[0026] S3. Using the BOOLEAN algorithm (intersection and difference) of the grid model, according to the actual progress information...

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Abstract

The invention relates to an arch dam construction period deformation field dynamic fitting analysis method based on BIM (building information modeling). The method includes the steps: projecting a dam section grid model and a measuring point space point cloud model by a central divergence projection algorithm according to structural characteristics and deformation measuring points of an arch dam to form a projected plane; fitting deformation field data by a butterfly difference interpolation fitting algorithm based on a projected plane model and a measured value distribution model based on a projected structure, and mapping fitted deformation value sequences to three-dimensional grid model nodes of an arch dam structure in a one-to-one corresponding manner; building a post-processing analysis window and generating and visually displaying a cloud chart, a displacement diagram and contour lines of model data. According to the arch dam construction period deformation field dynamic fitting analysis method based on BIM, construction progress and deformation monitoring data real-time driving arch dam deformation field data can be visually expressed.

Description

technical field [0001] The invention relates to safety detection of arch dam structures, in particular to a BIM-based dynamic fitting analysis method for deformation field of arch dams during construction. Background technique [0002] The arch dam is a super-high, thin-walled mass concrete structure. The center of gravity is changing dynamically during the construction process. The deformation state at different stages is an important indicator to measure its stability and safe operation. The deformation monitoring and analysis of dam structure is an important content of arch dam safety monitoring. [0003] Traditional dam deformation monitoring and analysis, by arranging vertical lines and leveling observation points inside the dam, or arranging external deformation observation piles behind the dam or on the top of the dam, periodically collect deformation data, draw deformation change process curves, or Draw a distribution map based on the two-dimensional monitoring sect...

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/13G06F30/23
Inventor 林恩德张攀峰李俊平马俊杰
Owner 武汉英思工程科技股份有限公司
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