CRTSIII track plate-based shape size quick calculation method

A technology for external dimension and fast calculation, applied in the direction of calculation, design optimization/simulation, special data processing application, etc., which can solve the problem of inability to achieve refined 3D reconstruction of track slab surface model, inability to realize automatic detection, and limited number of photogrammetry points. and other problems, to achieve the effect of fast calculation speed, complete calculation items, and improved fitting speed
CN108399283AActive Publication Date: 2018-08-14CHINA RAILWAY 22ND BUREAU GROUP +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA RAILWAY 22ND BUREAU GROUP
Publication Date
2018-08-14

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Abstract

The invention discloses a CRTSIII track plate-based shape size quick calculation method. The method comprises the steps of 1) importing a standard three-dimensional design model of a CRTSIII track plate in point cloud processing software; 2) by utilizing the point cloud processing software, establishing a direct plane feature, a direct plane circle feature and a direct boundary comparison point ofthe three-dimensional model of the track plate; 3) by utilizing the point cloud processing software and the established direct plane feature, direct plane circle feature and direct boundary comparison point, establishing features such as an auxiliary point feature, an auxiliary linear feature, an auxiliary plane feature and the like of a CRTSIII track plate shape size detection item; 4) by utilizing the point cloud processing software and the established point feature, plane circle feature, linear feature and plane feature, establishing a direct distance feature and a direct angle feature ofthe CRTSIII track plate shape size detection item; and 5) by utilizing the point cloud processing software, cutting the direct plane feature of the three-dimensional model of the track plate.
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Description

technical field

[0001] The invention relates to the field of detection of high-speed railway track slabs, in particular to a fast calculation method for the external dimensions of CRTS III track slabs of high-speed railways. Background technique

[0002] CRTSⅢ track slab is a major scientific and technological achievement independently developed by my country with completely independent intellectual property rights. It has the characteristics of good durability, high stability and obvious economic advantages. The overall structure of CRTSⅢ slab ballastless track is a new type of unit slab ballastless track structure with retaining shoulders, mainly composed of steel rails, fasteners, prefabricated track slabs, self-compacting concrete with reinforcement (self-leveling concrete adjustment layer), limit stops , middle isolation layer (geotextile) and reinforced concrete base and other parts. The structure of the CRTSⅢ ballastless track slab is similar with minor differences, ...

Claims

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