7results about How to "Ease of construction progress" patented technology

The invention discloses a power grid construction subpackage management and control method based on big data, and the method comprises the following steps: collecting the data of a power grid construction site in real time, carrying out the preprocessing, and carrying out the storage through a distributed storage system; generating a comprehensive evaluation report by using the residual neural network and the graph convolutional network; adopting a particle swarm optimization algorithm to carry out subpackage provider selection and task allocation; predicting the construction progress through a long short-term memory network; performing image analysis on the video stream of the construction site by using a residual neural network and a single-time multi-frame detection algorithm; a Bayesian network and a multi-layer perceptron are used to predict construction risks, an isolated forest algorithm is used to carry out abnormal value detection on data, and a risk early warning report is generated and notified to related personnel. According to the invention, big data, deep learning and reinforcement learning technologies are fully combined, the power grid construction subpackage management and control method based on big data is described in detail, and the method has the advantages of high construction efficiency, accurate risk prediction and resource optimization.

The invention provides a blasting vibration induced time-lag rock burst control method and device based on a micro-seismic event, and relates to the technical field of tunnel blasting, the method comprises the following steps: carrying out a blasting test on a test surrounding rock, and obtaining pre-blasting micro-seismic event data, post-blasting micro-seismic event data and blasting vibration speed of the test surrounding rock; acquiring an event increment and an event position of surrounding rock fracture induced by blasting vibration; surrounding rock damage grades are divided, and the blasting vibration threshold value of each surrounding rock damage grade is calculated according to the blasting vibration speed; optimizing blasting control parameters according to the damage grade of the surrounding rock; the actual surrounding rock is blasted through the optimized blasting control parameters, and the time-lag rock burst risk of the actual surrounding rock after blasting is judged according to the blasting vibration threshold value. The problems that surrounding rock fracture cannot be visually expressed through existing blasting vibration monitoring, the vibration control standard is set according to empirical values, and control thresholds for different lithology and different conditions are not accurate enough are solved.

The utility model provides a truss type offshore photovoltaic platform. The truss type offshore photovoltaic platform is formed by connecting novel rod piece connecting structures. The novel rod piece connecting structure comprises a fastening nut, a pressure-bearing gasket, a friction material, a butt-joint rod piece and a through stud. A friction material wrapping the butt joint rod piece is arranged on the outer side of the near end of the butt joint rod piece, and a pressure-bearing gasket wrapping the friction material is arranged on the outer side of the friction material. External threads are arranged at the two ends of the pressure-bearing gasket and are in threaded fit with the fastening nuts; the fastening nut, the pressure-bearing gasket, the friction material and the butt-joint rod piece are provided with penetrating holes in the corresponding positions so that the opposite-penetrating stud can penetrate through the penetrating holes. According to the utility model, the connection between the rod pieces on the truss type offshore photovoltaic platform is realized, the load transmission and deformation are realized under the action of the friction material, the problem of large workload of the connection construction of the inner rod pieces between different modules is solved, the installation work amount can be effectively reduced, the quality and progress control is convenient, and the cost is saved.

The utility model discloses an unmanned aerial vehicle for construction surveying and mapping, which belongs to the field of construction surveying and mapping, and comprises a balancing assembly and a stabilizing assembly, the balancing assembly comprises a fuselage, the side surface of the fuselage is fixedly connected with a plurality of wings, the upper ends of the wings are fixedly provided with propulsion motors, and the upper ends of the propulsion motors are rotatably connected with rotor wings; according to the unmanned aerial vehicle disclosed by the utility model, the balance assembly is matched with the stabilizing assembly, so that the stability of the unmanned aerial vehicle working in a strong wind severe environment can be improved, and the service life of the unmanned aerial vehicle is prolonged; meanwhile, through mutual cooperation of the structures, the stability of the camera during surveying and mapping operation can be improved, and then the surveying and mapping accuracy can be improved.

The utility model provides a municipal road well chamber lifting tool which comprises a steel plate and further comprises an extension plate, one end of the extension plate is fixedly connected with one end of the steel plate, the other end of the extension plate is slidably connected with the other end of the steel plate, and the steel plate and the extension plate are matched and wound to form a circle or an oval. The inner side of the steel plate is connected with a second baffle, the inner side of the extension plate is connected with a first baffle, the second baffle is in threaded connection with a screw, and one end of the screw penetrates through the second baffle to abut against the first baffle. The device is convenient to operate, the problem of traditional well chamber lifting is solved, the method is simple, the construction efficiency is greatly improved, meanwhile, the labor intensity is reduced, potential safety hazards are eliminated to the maximum extent, the device can be recycled, the investment of equipment personnel is reduced, the construction cost is reduced, and the economic benefits are improved.

The invention relates to the technical field of building information models, and discloses a BIM (Building Information Modeling)-based engineering physical quantity generation method, which comprises the following steps of S1, importing a BIM model into a system to perform preliminary data processing; s2, performing format standardization processing on the imported data by using a unified standardization process, and for BIM data from different sources, performing automatic matching and similar component and material merging by using a data integration tool; and S3, carrying out standardization processing on the geometric information to sort and standardize material attributes, classifying and combining similar materials, and executing multi-level conflict detection. Through more accurate real-object quantity calculation and automatic data processing, the system optimizes project budgeting and cost management, resource waste and budgeting hyper-branched caused by estimation errors are reduced, meanwhile, the work efficiency is improved through intelligent report generation and real-time data monitoring functions, and project management is more accurate and efficient.