CN-122020770-A - Engineering pile length batch pre-judging method based on BIM technology

CN122020770ACN 122020770 ACN122020770 ACN 122020770ACN-122020770-A

Abstract

The invention belongs to the technical field of constructional engineering and discloses a method for predicting pile length of engineering piles in batches based on a BIM technology, which comprises the following steps of S1, generating a three-dimensional geological model, S2, converting dgn format files into sat format files by using BIM software, S3, building a pile foundation model by using Revit software, S5, extracting geometric information in the three-dimensional geological model and position data of the pile foundation model by using Dynamo software, calculating depth to be extended of the pile foundation in the three-dimensional geological model by using mathematical nodes in combination with design requirements, and adjusting pile length parameters in batches by using parameter nodes so as to complete automatic prediction of pile length. The invention breaks through the compatibility limit of Revit on complex geologic model through the cooperation of EVS+Civil 3d+Dynamo+Revit multi-software, realizes the full-process automation of pile length prejudgment, can generate accurate pile length parameters in batches, reduces manual intervention, improves construction efficiency and pile foundation reliability, supports karst cave penetration visual test and avoids the pile foundation quality problem caused by geological abnormality in construction.

Inventors

YU KAIYUAN
LIN JINGFU
BAI YU
TAN JIASHENG
WANG YUE
LONG HAILIANG
ZHANG BIN
XIE TIEWEI
MENG YANG
SUN ZIYUAN

Assignees

中国建筑第八工程局有限公司

Dates

Publication Date: 20260512
Application Date: 20251205

Claims (6)

1. The engineering pile length batch pre-judging method based on the BIM technology is characterized by comprising the following steps of: s1, acquiring construction investigation drilling data, and processing the construction investigation drilling data by using EVS software to generate a three-dimensional geological model; S2, exporting dgn the three-dimensional geological model into a file in a format, and converting the dgn file in the format into a sat file by using BIM software; s3, building a pile foundation model by utilizing Revit software; s4, importing the sat format file into the pile foundation model by utilizing a functional node in Dynamo software and binding the sat format file into the pile foundation model; S5, extracting geometric information in the three-dimensional geological model and position data of the pile foundation model through Dynamo software, calculating the depth of the pile foundation required to extend in the three-dimensional geological model by utilizing mathematical nodes in combination with design requirements, and adjusting pile length parameters in batches through parameter nodes so as to complete automatic pre-judgment of the pile length.
2. The method for predicting pile length of engineering piles in batches based on BIM technology as claimed in claim 1, wherein the geometric information comprises bearing stratum elevation information and karst cave position information, and the position data comprises a starting point Z coordinate; Before pile length parameters are adjusted in batches through the parameter nodes, a karst cave penetration analysis report is obtained according to karst cave position information, and when pile length parameters are adjusted in batches through the parameter nodes, dynamo software is utilized to automatically correct pile length by extracting the difference value between the Z coordinate of the pile foundation starting point and the elevation of the bearing stratum and then combining the karst cave penetration analysis.
3. The method for predicting pile length of engineering piles in batches based on BIM technology as recited in claim 1, wherein in the process of converting dgn format files into sat format files by BIM software, the method further comprises the steps of converting grids in the three-dimensional geological model into curved surfaces and further stitching the curved surfaces into closed entities.
4. The method for predicting pile length of engineering piles in batches based on BIM technology as claimed in claim 3, wherein the BIM software is Civil 3d software.
5. The method for predicting pile length of engineering piles in batches based on BIM technology as claimed in claim 1, wherein the functional nodes comprise a geometry.Import from SAT node and a family instance.ByGeome node; In the process of executing the step S4, dynamo converts the sat format file into geometric data through the geometry. Importfromsat node, and then associates the geometric data in the sat format file with the Revit family file in the pile foundation model through the family instance. Bygeometry node, so as to realize the dynamic binding of the three-dimensional geological model in the pile foundation model.
6. The method for predicting pile length of engineering piles in batches based on BIM technology as claimed in claim 1, wherein in the process of executing the step S1, EVS software processes construction survey drilling data through interpolation algorithm.

Description

Engineering pile length batch pre-judging method based on BIM technology Technical Field The invention belongs to the technical field of constructional engineering, and particularly relates to a method for predicting pile lengths of engineering piles in batches based on a BIM technology. Background In construction engineering, the design and construction of pile foundations are vital links. Traditional pile length prediction methods rely on manual operation, are inefficient and prone to error. With the widespread application of BIM (building information model Building Information Modeling) technology, how to use BIM technology to improve the efficiency and accuracy of pile length prediction has become an important research direction. However, the existing BIM software has certain limitation in processing the three-dimensional geological model, particularly, dgn format files derived by EVS software (geological modeling software Earth Volumetric Studio) cannot be directly used for Revit (Autodesk Revit) and Dynamo (Autodesk Dynamo), which brings great difficulty to pile length prediction, so that a project pile length batch pre-judging method based on BIM technology is provided to solve the problems. Disclosure of Invention In order to solve the problems, the invention provides a BIM technology-based project pile length batch pre-judging method, which solves the problem that dgn format files exported by EVS software cannot be directly used for Revit and Dynamo. The invention is realized by the following scheme that the engineering pile length batch pre-judging method based on the BIM technology comprises the following steps: s1, acquiring construction investigation drilling data, and processing the construction investigation drilling data by using EVS software to generate a three-dimensional geological model; S2, exporting dgn the three-dimensional geological model into a file in a format, and converting the dgn file in the format into a sat file by using BIM software; s3, building a pile foundation model by utilizing Revit software; s4, importing the sat format file into the pile foundation model by utilizing a functional node in Dynamo software and binding the sat format file into the pile foundation model; S5, extracting geometric information in the three-dimensional geological model and position data of the pile foundation model through Dynamo software, calculating the depth of the pile foundation required to extend in the three-dimensional geological model by utilizing mathematical nodes in combination with design requirements, and adjusting pile length parameters in batches through parameter nodes so as to complete automatic pre-judgment of the pile length. The invention further improves the engineering pile length batch pre-judging method based on BIM technology, wherein the geometric information comprises bearing stratum elevation information and karst cave position information, and the position data comprises a starting point Z coordinate; Before pile length parameters are adjusted in batches through the parameter nodes, a karst cave penetration analysis report is obtained according to karst cave position information, and when pile length parameters are adjusted in batches through the parameter nodes, dynamo software is utilized to automatically correct pile length by extracting the difference value between the Z coordinate of the pile foundation starting point and the elevation of the bearing stratum and then combining the karst cave penetration analysis. The invention further improves the engineering pile length batch prejudging method based on BIM technology, which is characterized in that in the process of converting dgn format files into sat format files by BIM software, the method also comprises the steps of converting grids in a three-dimensional geological model into curved surfaces and further stitching the curved surfaces into closed entities. The invention further improves the engineering pile length batch pre-judging method based on BIM technology, wherein the BIM software is Civil 3d software. The invention further improves the engineering pile length batch pre-judging method based on BIM technology, wherein the functional nodes comprise a geometry.Import FromSAT node and a family instance.ByGeome node; In the process of executing the step S4, dynamo converts the sat format file into geometric data through the geometry. Importfromsat node, and then associates the geometric data in the sat format file with the Revit family file in the pile foundation model through the family instance. Bygeometry node, so as to realize the dynamic binding of the three-dimensional geological model in the pile foundation model. The invention further improves the engineering pile length batch pre-judging method based on the BIM technology in that in the process of executing the step S1, EVS software processes construction investigation drilling data through an interpolation algorithm. Compared with the prior