Determining method for foundation pit engineering monitoring data alarm grade

Abstract

The invention discloses a determining method for a foundation pit engineering monitoring data alarm grade. Multiple measurement points are arranged in foundation pit engineering. According to the method, all influence factors in the foundation pit engineering are graded in a quantified mode through a change rate factor QB, an accumulative amount factor QL, an environment aspect factor QH and a working condition factor QG, finally, through the formula QC=QB+QL+QH+QG, a measurement point alarm factor QC is calculated, and the alarm grade is determined according to the value of the measured point alarm factor QC. The determining method has the advantages that according to the classification of measurement point alarm degrees, an important alarm region is emphasized; all the influence factors are quantified, so that automatic program judgment is convenient, the manual intervene degree is decreased, and automatic accurate monitoring and alarming in the foundation pit engineering are achieved.

Description

technical field [0001] The invention belongs to the technical field of engineering monitoring, and in particular relates to a method for judging the alarm level of foundation pit engineering monitoring data. Background technique [0002] The foundation pit is an earth pit dug at the foundation design position according to the base elevation and foundation plane size. It is a temporary project, and its function is to provide a space for the foundation masonry to be carried out in accordance with the position specified by the design. During the construction process, the foundation pit needs to be monitored to avoid major accidents. [0003] At present, the monitoring and alarming of foundation pit engineering adopts a single alarm level, and the alarm value is generally given by the designer. Its shortcomings are as follows: [0004] 1. The alarm system is only for individual measuring points, and cannot comprehensively consider the overall nature of the foundation pit; [...

AI Technical Summary

Problems solved by technology

[0004] 1. The alarm system is only for individual measuring points, and cannot comprehensively consider the overall nature of the foundation pit;

[0005] 2. A single alarm level is difficult to control;

[0006] If the standard is set too loosely, it is easy to miss the corresponding dangerous nodes;

[0007] If the standard is too strict, alarms will often occur, but there is no major safety hazard in the project

In this way, on the one hand, it causes a waste of economic and human costs; on the other hand, frequent alarms will paralyze the nerves of relevant decision-makers and reduce their attention to alarms. When danger really comes, they are often caught off guard.

Images