6 results about "Engineering controls" patented technology

This invention discloses a method, device, and computer storage medium for predicting and actively controlling the deformation of support structures based on computational learning. It relates to the fields of geotechnical engineering and underground structure safety control technology. This method, based on the theory of support structure displacement calculation and combined with a theoretical calculation model, achieves accurate prediction of the horizontal displacement of the support structure, completes structural displacement calculation and dangerous area identification, and outputs deformation curves and potential risk locations. It employs a Bayesian optimization framework for automatic parameter optimization, initializes the prior distribution and sets the objective function, uses Gaussian process modeling to iteratively calculate the acquisition function, and uses a surrogate model to quickly predict performance to update the model. Finally, it outputs the optimal parameter combination to guide construction, realizing an intelligent closed-loop design from theoretical calculation to engineering control, and solving the problems of insufficient deformation prediction accuracy and lagging risk control in complex strata.

This invention discloses a method for determining the direction of the maximum horizontal principal stress based on borehole formation rate, relating to the field of mining engineering technology. The method includes: constructing a set of pressure-relief boreholes of the same diameter and target depth along a horizontal plane at a preset azimuth angle within the area to be measured; recording the actual drilling depth of each pressure-relief borehole based on its construction; calculating the formation rate of each pressure-relief borehole based on the actual drilling depth and target depth; and determining the direction of the maximum horizontal principal stress based on the distribution law of the formation rate. This invention clarifies the correlation between "drilling direction - formation rate - direction of the maximum horizontal principal stress," transforming common borehole formation obstacles in engineering into an effective way to acquire geological information. It achieves low-cost and high-efficiency acquisition of key geostress direction information without the need for additional specialized equipment and complex testing processes, providing a highly practical solution for rapid assessment and targeted engineering control of the geostress field in coal mines.

The application provides an intelligent design evaluation method for prefabricated components of an assembled underground structure, comprising: obtaining engineering control parameters and variable parameters of prefabricated components; performing intelligent design based on the parameters to generate a plurality of design schemes; obtaining bearing capacity evaluation results and materialization stage engineering data of each scheme; calculating carbon emissions according to the materialization data; comprehensively deciding, in combination with the bearing capacity and the carbon emissions, to obtain a comprehensive index decision index of each scheme; and performing scheme evaluation based on the index set to finally select a target prefabricated component scheme. The intelligent design evaluation method for prefabricated components of an assembled underground structure provided by the application combines the bearing capacity of prefabricated components with materialized carbon emissions to perform intelligent design evaluation, thereby providing an optimized scheme for the assembled underground structure, which has structural safety and environmental friendliness, and improving the scientificity and comprehensiveness of prefabricated component design.

This invention discloses an adaptive adjustment method and system for foundation pit support strength based on real-time monitoring data, relating to the field of engineering control technology. The method includes the following steps: real-time acquisition of monitoring data of the foundation pit support structure; preprocessing the monitoring data to obtain standardized time series data; inputting the standardized time series data into a pre-trained LSTM prediction model to output a displacement prediction value sequence; calculating the predicted state index based on the displacement prediction value sequence; constructing a multi-objective optimization model with the objectives of minimizing the maximum predicted state index and minimizing the total cost of support strength adjustment, and solving for the optimal prestress adjustment amount of each intelligent support actuator; converting the optimal prestress adjustment amount into control commands to drive the corresponding intelligent support actuator to perform actions. This invention can automatically and accurately adjust the foundation pit support strength based on real-time monitoring data.

This invention discloses a method, apparatus, and storage medium for screening gas-sensitive materials for transformers, belonging to the technical field of power equipment condition monitoring and gas sensing material design. The method includes: acquiring raw feature data of candidate gas-sensitive materials to be screened; extracting corresponding feature values ​​from the raw feature data according to a pre-determined feature subset, wherein the feature subset is obtained based on feature contribution analysis using a pre-built global prediction model; inputting the extracted feature values ​​into a pre-trained engineering sub-model, and obtaining a comprehensive score for the candidate materials by combining engineering rule constraints; classifying the candidate materials into engineering levels based on the comprehensive score, and outputting a list of materials that meet engineering admission criteria. This invention achieves engineering control of the material exploration process, improving the reliability and engineering applicability of the material screening process.

The application discloses a highway engineering control measuring device, including bottom plate, adjusting plate, mounting plate and total station body, and relates to the technical field of highway engineering. The highway engineering control measuring device is provided with synchronous unfolding supporting mechanism, locking mechanism and prompting mechanism between the bottom plate and the supporting rod, so that the unfolding of the supporting rod at the bottom of the bottom plate can be automatically unfolded and simultaneously compensated for supporting length according to different terrains through the cooperation of the synchronous unfolding supporting mechanism, the locking mechanism and the prompting mechanism, the device is stably placed, the compensation distance of the extension of the supporting compensation rod is automatically locked synchronously, the stability of the device is further improved, and the locking state of the supporting compensation rod is prompted synchronously, so that the operator can know the stretching state of the pull rope, and the pull rope can be replaced in time when the elongation is large after long-term use.