CN-121997440-A - Foundation measurement system and method for building engineering construction

CN121997440ACN 121997440 ACN121997440 ACN 121997440ACN-121997440-A

Abstract

The invention relates to the technical field of building engineering construction, and discloses a foundation measurement system and a foundation measurement method for building engineering construction, which are characterized in that a construction area is synchronously measured through a multi-source foundation measurement unit to obtain original foundation measurement data, the data are subjected to time alignment and space unified calibration to form a standardized measurement data set, a foundation space continuous model is constructed on the basis, space interpolation and error suppression processing are carried out on discrete measurement points to generate a foundation three-dimensional structure data set containing space reliability parameters, foundation bearing characteristics and uneven settlement characteristics are further analyzed based on the foundation three-dimensional structure data set to form a foundation mechanical characteristic data set, and foundation measurement evaluation results and construction correction parameters are generated by combining construction design reference parameters. The invention can improve the space continuity and reliability of the foundation measurement result and provide effective basis for construction control and parameter correction.

Inventors

DONG CHAOFENG
CUI KAI
NIE JUNLI
HU HUIFEI
LI HONGCHANG
WANG KUANGLIN
ZHAO SONG
DANG JIANPU
LI YANCHAO
XU JING
YANG YONG
ZHOU YONGCHANG
XU RUI
LI TINGTING
SUN QIANG
YE ZHOUTAO
Fan zhuo
ZHANG JIALONG
LIU HONGWEI
LIU YANPING
HAN HUA

Assignees

平煤神马建工集团第一建筑工程有限公司
平煤神马建工集团有限公司

Dates

Publication Date: 20260508
Application Date: 20260409

Claims (9)

1. The foundation measurement method for the construction of the building engineering is characterized by comprising the following steps of: step S1, synchronously measuring a construction area through a multi-source foundation measurement unit to obtain an original foundation measurement data set, wherein the original foundation measurement data set comprises space coordinate data, surface elevation data, underground response data and a measurement time stamp, and performing time alignment and space unified calibration on the original foundation measurement data set to obtain a standardized measurement data set; S2, constructing a foundation space continuous model based on the standardized measurement data set, performing space interpolation and error suppression on discrete foundation measurement points, synchronously outputting space credibility parameters of the measurement points, and finally generating a foundation three-dimensional structure data set; step S3, modeling analysis is carried out on the foundation bearing characteristics based on the foundation three-dimensional structure data set and the space credibility parameter, the foundation comprehensive bearing parameters and the differential settlement characteristic parameters are obtained through calculation, and a foundation mechanical characteristic data set is formed; And S4, generating a foundation measurement evaluation result according to the foundation mechanics characteristic data set and combining the construction design reference parameters, and outputting foundation correction parameters for construction control and correction.
2. The method for measuring a foundation for construction engineering according to claim 1, wherein the step S1 further comprises: Arranging measurement points in a construction area according to a preset measurement grid, and synchronously acquiring the foundation state of each measurement point through a multi-source measurement array consisting of a total station, a laser scanning device and a geological detection sensor to obtain original foundation measurement data comprising foundation surface space position information, ground surface elevation information, underground medium response information and corresponding measurement time information; the multi-source measurement data acquired by each measurement point are organized according to a unified data structure to form an original foundation measurement data set containing a plurality of measurement point data; Aiming at the difference of different measuring equipment at sampling time, uniformly correcting time information in original foundation measuring data by taking the preset reference time of a system as a benchmark so as to eliminate time inconsistency among multi-source measuring data; After the time alignment processing is completed, based on the corresponding relation between the measuring equipment coordinate system and the engineering reference coordinate system, unified coordinate conversion is carried out on the spatial position information in the original foundation measurement data, and the spatial reference difference between different measuring equipment is eliminated, so that a standardized foundation measurement data set is obtained.
3. The method for measuring a foundation for construction engineering according to claim 1, wherein the step S2 further comprises: Constructing a foundation space point set consisting of a plurality of discrete measurement points based on the standardized foundation measurement data set, wherein the foundation space point set is used for representing the space distribution characteristics of each measurement position in a construction area; On the basis of the foundation space point set, performing space continuous modeling treatment on discrete measurement points by adopting a weighted space interpolation modeling mode to generate a continuous foundation model for describing foundation space morphological change, so that foundation measurement results are converted into a space continuous distribution form from a discrete point form; in the space interpolation modeling process, a space consistency constraint mechanism is introduced to inhibit abnormal fluctuation in an interpolation result so as to reduce the influence of measurement noise and local abnormal points on the overall modeling result; According to the deviation distribution condition between the interpolation modeling result and the measured data of the corresponding measuring points, evaluating the measurement reliability degree of each measuring point, and calculating to obtain the space reliability parameter corresponding to each measuring point; And generating a foundation three-dimensional structure data set containing space position, elevation information and credibility information based on the space continuous modeling result and the space credibility parameter.
4. The method for measuring a foundation for construction engineering according to claim 1, wherein the step S3 further comprises: dividing the foundation in the construction area into a plurality of spatial voxels based on the foundation three-dimensional structure data set, wherein the voxels are used for describing structural units of the foundation at different spatial positions; for each voxel, carrying out weighted analysis on the mechanical contribution of the voxel in the bearing direction by combining the corresponding space credibility parameter of each voxel so as to reflect the influence degree of the measurement results of different areas on the whole bearing capacity evaluation; on the basis, carrying out comprehensive analysis on the bearing characteristics of each voxel, and calculating to obtain comprehensive bearing parameters representing the overall bearing capacity of the foundation; Meanwhile, by carrying out contrast analysis on sedimentation differences of adjacent voxels in the vertical direction, extracting uneven sedimentation characteristic parameters reflecting the uneven deformation degree of the foundation; and finally forming a foundation mechanical characteristic data set containing the comprehensive bearing characteristic and the differential settlement characteristic of the foundation.
5. The method for measuring a foundation for construction engineering according to claim 1, wherein the step S4 further comprises: comparing and analyzing the foundation mechanics characteristic data set with preset construction design reference parameters, and evaluating the deviation degree between the current foundation state and the design requirement; Based on the comparison analysis result, synthesizing foundation bearing characteristics and uneven settlement characteristics, and generating a foundation measurement evaluation result for representing the overall applicability of foundation conditions of a construction area; According to the foundation measurement evaluation result, reversely calculating to obtain foundation correction parameters for construction adjustment; Outputting the foundation correction parameters to a construction control link to guide the adjustment and correction of the follow-up foundation construction parameters.
6. The foundation measurement system for the construction of the building engineering is characterized by comprising the following modules: The multi-source foundation measurement and standardization module is used for carrying out multi-source synchronous measurement on a construction area, obtaining original foundation measurement data, and carrying out time alignment and space unified calibration on the original measurement data to generate a standardized measurement data set; the foundation three-dimensional structure modeling module is used for constructing a foundation space continuous model based on the standardized measurement data set, performing space interpolation and error suppression on discrete measurement points, and generating a foundation three-dimensional structure data set containing space reliability parameters; And the foundation mechanics analysis and evaluation module is used for analyzing the foundation bearing characteristics and the differential settlement characteristics based on the foundation three-dimensional structure data set and generating a foundation measurement evaluation result and a construction correction parameter by combining the construction design reference parameter.
7. The foundation measurement system for construction engineering according to claim 6, wherein the multi-source foundation measurement and standardization module further comprises: The multi-source measurement data acquisition subunit is used for acquiring the space coordinate data of the foundation surface, the surface elevation data, the underground response data and the measurement time information through a multi-source measurement array formed by the total station, the laser scanning device and the geological detection sensor; and the time-space unified processing subunit is used for carrying out time alignment processing on the original measurement data from different measurement devices, and carrying out unified conversion on space coordinates based on an engineering reference coordinate system to form a standardized measurement data set.
8. The foundation measurement system for construction engineering according to claim 6, wherein the foundation three-dimensional structure modeling module further comprises: The space continuous building mold unit is used for building a foundation discrete space point set based on the standardized measurement data set, and performing space interpolation processing on the discrete point set to form a foundation space continuous structure model; The reliability evaluation and structure generation subunit is used for carrying out consistency analysis and error suppression processing on the space modeling result, calculating the space reliability parameter of each measuring point and generating a foundation three-dimensional structure data set.
9. The foundation measurement system for construction engineering according to claim 6, wherein the foundation mechanics analysis and evaluation module further comprises: The foundation mechanical characteristic analysis subunit is used for carrying out bearing characteristic analysis and sedimentation characteristic calculation on the foundation base element based on the foundation three-dimensional structure data set to form a foundation mechanical characteristic data set; and the evaluation and construction correction output subunit is used for comparing and evaluating the foundation mechanical characteristic data set with the construction design reference parameters, generating a foundation measurement evaluation result and outputting foundation correction parameters for guiding construction control and correction.

Description

Foundation measurement system and method for building engineering construction Technical Field The invention relates to the technical field of building engineering construction, in particular to a foundation measurement system and a foundation measurement method for building engineering construction, and especially relates to a foundation measurement and evaluation technology based on multisource measurement data fusion, foundation space continuous modeling and foundation mechanical characteristic analysis. Background In the construction process of building engineering, the foundation condition directly influences the structural safety and the construction quality. The existing foundation measurement means generally rely on single or a small number of measurement devices to perform discrete point measurement on a construction area, and the obtained data have certain limitations in terms of time consistency, space continuity and measurement accuracy. Particularly, under complex geological conditions or large-area construction scenes, sampling periods and coordinate reference differences among different measuring devices easily cause difficulty in unified processing of measurement data, so that the reliability of subsequent analysis results is affected. In addition, in the prior art, the processing of the foundation measurement data is stopped at the surface elevation or local parameter analysis level, the continuous modeling capability of the whole three-dimensional structure of the foundation is lacked, and the underground structure change and the spatial association relation thereof are difficult to effectively reflect. Meanwhile, for noise, abnormal points and reliability differences of different measurement points in measurement data, an effective evaluation and inhibition mechanism is lacked, so that accuracy of foundation bearing analysis and sedimentation evaluation results is insufficient. Further, the existing foundation measurement technology has weak correlation with construction design parameters, so that an effective closed loop from measurement data to construction control parameters is difficult to form, and a reliable basis cannot be provided for dynamic adjustment in the construction process. Therefore, a foundation measurement method and system capable of fusing multi-source measurement data, constructing a three-dimensional structure model of a foundation, and realizing foundation mechanical feature analysis and construction evaluation are needed to solve the above problems. Disclosure of Invention In order to achieve the aim of the invention, the invention provides the following technical scheme that the foundation measuring method for the construction of the building engineering comprises the following steps: step S1, synchronously measuring a construction area through a multi-source foundation measurement unit to obtain an original foundation measurement data set, wherein the original foundation measurement data set comprises space coordinate data, surface elevation data, underground response data and a measurement time stamp, and performing time alignment and space unified calibration on the original foundation measurement data set to obtain a standardized measurement data set; S2, constructing a foundation space continuous model based on the standardized measurement data set, performing space interpolation and error suppression on discrete foundation measurement points, synchronously outputting space credibility parameters of the measurement points, and finally generating a foundation three-dimensional structure data set; step S3, modeling analysis is carried out on the foundation bearing characteristics based on the foundation three-dimensional structure data set and the space credibility parameter, the foundation comprehensive bearing parameters and the differential settlement characteristic parameters are obtained through calculation, and a foundation mechanical characteristic data set is formed; And S4, generating a foundation measurement evaluation result according to the foundation mechanics characteristic data set and combining the construction design reference parameters, and outputting foundation correction parameters for construction control and correction. Preferably, the step S1 further includes: Arranging measurement points in a construction area according to a preset measurement grid, and synchronously acquiring the foundation state of each measurement point through a multi-source measurement array consisting of a total station, a laser scanning device and a geological detection sensor to obtain original foundation measurement data comprising foundation surface space position information, ground surface elevation information, underground medium response information and corresponding measurement time information; the multi-source measurement data acquired by each measurement point are organized according to a unified data structure to form an original foundation measureme