5 results about "Engineering research" patented technology

The utility model provides a geotechnical test device for engineering research, which relates to the technical field of geotechnical test devices and comprises a processing table, a box body arranged at the top of the processing table, a bottom plate fixedly connected to the top of the processing table, a hydraulic rod fixedly mounted at the top of the box body, a connecting block arranged at the bottom end of the hydraulic rod and penetrating through the box body, and a pressing block arranged at the bottom of the connecting block. And the bottom plate is fixedly connected with a placing table. According to the device, the placement table can be cleaned through the cleaning assembly, manual cleaning is not needed, more time and labor are saved, after each test is completed, fragments and tiny fragments are cleaned through the rotating plate and the brush which sweep back and forth, so that the next test is facilitated, the cleaning waiting time is shortened, and the test efficiency is improved; the pressing blocks can be conveniently replaced through the dismounting assembly, the corresponding pressing blocks can be replaced according to test requirements, the replacement process does not need to be disassembled through tools, the device is simpler and quicker, and the usability of the device is improved.

The present application belongs to the technical field of geotechnical engineering research, and particularly relates to a method for evaluating the influence of residual deformation of a goaf on the structural stability of a simply supported beam bridge, which comprises the following steps: constructing a numerical model in a virtual environment in combination with the goaf and the stratum structure of the target simply supported beam bridge; obtaining the mechanical parameters of the broken rock mass and performing sensitivity analysis to generate a sensitivity sequence; equivalent the residual deformation of the goaf to the mechanical parameters of the broken rock mass in the caving zone, determining the equivalent parameters of the residual deformation based on the sensitivity sequence, importing the equivalent parameters into the numerical model to simulate the residual deformation, and outputting the simulation results; establishing a stability evaluation system based on the influence index of the structural stability of the simply supported beam bridge and the residual subsidence, introducing the residual subsidence of the pile foundation of the simply supported beam bridge and the tangential resultant force on the rock-soil contact surface of the pile foundation to evaluate the stability of the target simply supported beam bridge; the evaluation method proposed by the present application can effectively evaluate the influence of the residual deformation of the goaf on the structural stability of the simply supported beam bridge and improve the research efficiency.

The invention provides an engineering project feasibility research analysis-oriented geographic information knowledge graph construction method, which is used for deeply mining complex relationships among geographic elements by fusing multi-source geographic information data, and carrying out structured organization and efficient storage in a knowledge graph form. The method comprises the steps of geographic information data collection, data preprocessing and enhancement, knowledge graph construction, geographic element extraction model construction, entity knowledge matching and fusion and the like. According to the method, comprehensive, accurate and dynamically updated geographic information support can be provided for engineering project feasibility research and analysis, and the efficiency and scientificity of engineering research and analysis are remarkably improved.

The invention relates to the technical field of ship development, in particular to a ship development whole-process collaboration method and related products. The method comprises the following steps: establishing a set of ship overall standardization digital model which covers three major processes of project management and control, engineering development and simulation optimization and runs through four major stages of system design, engineering design, engineering construction and engineering operation and maintenance in a ship full-process development process; and the model and data are continuously transmitted among the flows and the stages, so that deep collaboration of the flows among the different stages in the ship development process is realized, and the collaboration efficiency of ship project management and control, engineering development and simulation optimization is improved.

The application discloses a virtual wind tunnel simulation experiment system, and belongs to the technical field of computer software and simulation, which comprises a data management module, a configuration management module and a visualization module; the data management module is used for correlatively packaging heterogeneous source data of a virtual wind tunnel experiment, generating a structured experiment data package with a unique experiment ID and storing the same; meanwhile, in response to input intervals and step lengths, intermediate state derivative data points are calculated and supplemented and written; the configuration management module is used for analyzing an external XML configuration file, building a system object correlation mapping relationship, and responding to user operations to trigger real-time refreshing of backend parameters; after the visualization module executes asynchronous loading and lightweight processing on massive heterogeneous flow field data, the massive heterogeneous flow field data are visually presented through on-screen fusion of a three-dimensional rendering engine and a two-dimensional data fusion display component; the application realizes system architecture decoupling, data full life cycle management and multi-dimensional visualization linkage, and meets the demand of high-end engineering research and development for a flexible and efficient virtual wind tunnel experiment platform.