BIM technology-based accurate positioning construction method for reserved hole channel in continuous beam construction

Abstract

The invention relates to a BIM technology-based accurate positioning construction method for a reserved hole channel in continuous beam construction, which comprises the following steps of S1, establishing a model: according to a received and inspected design drawing, applying a BIM technology to establish models for a continuous beam concrete contour and a prestress system according to a proportion of 1:1; S2, conducting model integration: integrating the established continuous beam concrete contour model and the prestress system model into a whole; S3, conducting collision analysis: according to the design scheme, accurately placing the pore channel position, and performing collision analysis on the placed model and the pore channel position; and S4, conducting data analysis and collision optimization: exporting data of collision analysis, and optimizing the position of the hole channel according to mechanical calculation. The method has the advantages that the positions of the holechannels of the construction preformed holes of the continuous beam are accurately positioned and optimized, the collision problem is found and solved in advance, the pull hole channels are formed, on-beam operation is changed into off-beam operation, the safety risk is greatly reduced, the economic benefit is remarkable, and the popularization value is very high.

Description

Technical field[0001]The application relates to the field of railway continuous beam construction, and in particular to a construction method for precise positioning of reserved holes for continuous beam construction based on BIM technology.Background technique[0002]During the construction of the continuous cantilever beam of the railway, the prestressing system of the beam body is complicated, and various channels are crisscrossed, the number is large, and the interference is large. It has always been a technical difficulty for the accurate positioning and construction of the holes on the hanging baskets and the formwork. The traditional construction process is prone to more interference between the holes and the bellows, causing a lot of rework, increasing the cost and resource investment, and the continuous beams are mostly high-altitude Work on the beam raises safety risks. The repetitive opening of the formwork to the pulling tunnel affects the appearance quality of the continu...

AI Technical Summary

Problems solved by technology

Accurate positioning of the channels on the hanging basket and the formwork has always been a technical difficulty. The traditional construction process is prone to interference between the channels and the bellows, resulting in a lot of rework, increasing the cost and resource investment, and most of the continuous beams are high-altitude work, work on beams raises safety risks

The repeated opening of the formwork to the pull hole affects the appearance quality of the continuous beam concrete

[0003] In view of the above-mentioned related technologies, the inventor believes that various channels collide with the prestress, resulting in more rework and low construction efficiency

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