46 results about "Seismic stability" patented technology

A rock mass cavern seismic dynamic stability analysis method considering layer vibration degradation comprises the following steps: determining transverse isotropic elastic mechanical behaviors, strength criteria and plastic potential functions of a layered rock mass, and constructing an elastic-plastic degradation constitutive model of the layered rock mass; determining a stratified rock mass layer surface strength parameter calculation formula under the earthquake action, determining a stratified rock mass rock mass strength parameter calculation formula, and establishing a stratified rock mass strength parameter evolution rule considering the layer surface vibration degradation effect; defining a layer damage degree index, and constructing a layered rock mass damage degree evaluation index under the earthquake action; and calculating the earthquake stability safety degree coefficient of the rock mass underground cavern, and determining the earthquake stability safety degree interval of the rock mass underground cavern. According to the method, the layer vibration degradation effect is considered, the safety evaluation result is more accurate, the application range is wide, the principle is simple, the physical significance is clear, the earthquake stability of the rock mass underground cavity is effectively analyzed, and the method has good practical engineering application prospects.

The invention relates to the technical field of slope seismic resistance, and discloses an engineering slope seismic stability optimization method and system, and the method comprises the steps: collecting flood discharge tunnel outlet slope data and seismic oscillation parameter values, and carrying out the partitioning according to the flood discharge tunnel outlet slope general situation data; analyzing rock mass weathering and unloading and physical geology phenomena in each area to obtain physical mechanical parameter suggestions; establishing a three-dimensional model of the flood discharge tunnel outlet slope based on the physical and mechanical parameter suggestions and the seismic oscillation parameter values; inputting the non-uniform seismic dynamic load into the three-dimensional model of the flood discharge tunnel outlet slope for analog calculation; establishing a side slope geomechanical model, and performing simulation verification; and comparing the simulation verification result of the side slope geomechanical model with a preset rule threshold value, if the simulation verification result of the side slope geomechanical model is greater than the preset rule threshold value, performing early warning, uploading the simulation verification result of the side slope geomechanical model to a cloud platform, and performing visual output. According to the invention, comprehensive analysis and management of the flood discharge tunnel outlet slope under the earthquake effect are realized.

The invention discloses a plane sliding type rock slope seismic stability analysis model considering rough structural surface strength degradation. Aiming at the important defect that an existing structural surface strength vibration degradation model exaggerates the influence degree of a vibration wear effect influence coefficient and a relative movement speed effect influence coefficient on structural surface strength vibration degradation, the model is improved on the basis of a Barton criterion; therefore, a novel plane sliding type rock slope seismic stability analysis model considering the shear strength degradation of the rough structural surface is provided; parameter sensitivity analysis is adopted to research the influence rule of the seismic wave peak acceleration, the structural plane basic friction angle and roughness coefficient and the structural plane shear strength degradation factor influence parameters m and P0 on the slope seismic stability, and beneficial reference can be provided for slope seismic stability analysis.

A numerical simulation method for seismic stability of a caisson wharf in a wave environment belongs to the technical field of port engineering, and comprises the following steps: drawing a caisson wharf CAD two-dimensional profile diagram; dividing the two-dimensional contour into different areas, and performing unit grid division on the different areas; the earthquake stability analysis of the caisson wharf in the wave environment is completed; and based on the obtained displacement cloud picture of the caisson wharf at the maximum displacement moment under the combined action of the earthquake and the waves, the earthquake stability of the caisson wharf under the wave environment is evaluated by analyzing the deformation of the caisson structure and the surrounding soil body. Based on the method provided by the invention, the seismic stability of the caisson wharf in the wave environment can be simulated and analyzed efficiently and precisely, data reference can be provided for engineering practice, and the problems of scientificity and engineering applicability of seismic stability analysis of the caisson wharf in the wave environment are solved.

The invention relates to the technical field of vehicle-mounted equipment, and discloses a high-vibration environment-oriented vehicle-mounted graphic server active anti-seismic system, which comprises the following steps of: firstly, acquiring a real-time vibration data flow of a vehicle-mounted graphic server, constructing an energy spectrum, and analyzing a resonance modal cluster to generate a damping regulation and control path; analyzing a dominant resonance mode, and identifying a critical oscillation node to calculate an inertia compensation coefficient; nonlinear filtering is carried out on the vibration spectrum based on the coefficient to obtain an anti-interference frequency band set, a servo driving instruction set is generated through topological mapping, a dynamic stiffness parameter is inquired, and a parameter distribution vector is marked; then, the vector is loaded to an active memory controller, an energy dissipation state is monitored, a gain threshold value combination is adaptively adjusted, and an anti-seismic robustness index is calculated; and finally, generating vibration characteristic lines, extracting steady-state, transient and chaotic components, and constructing a multi-cascade active anti-seismic mechanism. According to the method, the anti-seismic stability of vehicle-mounted graphic calculation can be guaranteed.

This invention belongs to the field of port engineering structural health monitoring and numerical simulation technology, specifically relating to a digital twin-based seismic stability assessment system and method for caisson wharves. The system includes a data acquisition and processing module, a model update module, and a performance evaluation and early warning module; the method includes data perception and feature extraction, parallel model calibration and update, coupled analysis, and intelligent early warning. This invention establishes a high-fidelity digital twin model that is synchronously updated with the physical entity and utilizes high-performance parallel computing technology to achieve real-time and accurate assessment and early warning of the stability of caisson wharves under combined seismic and wave effects.

The application discloses a plane sliding type rock slope seismic stability analysis model considering rough structure surface strength degradation. In view of the important deficiency of the current structure surface strength vibration degradation model, that is, exaggerating the influence degree of the vibration wear effect influence coefficient and the relative movement speed effect influence coefficient on the structure surface strength vibration degradation, the application improves the above model based on the Barton criterion, thereby proposing a new plane sliding type rock slope seismic stability analysis model considering rough structure surface shear strength degradation, and adopts parameter sensitivity analysis to study the influence law of the peak ground acceleration of the earthquake, the basic friction angle and the roughness coefficient of the structure surface, the influence parameter m of the structure surface shear strength degradation factor and P0 on the slope seismic stability, so as to provide beneficial reference for the slope seismic stability analysis.

The utility model relates to the technical field of signal towers, in particular to a signal tower mounting structure with a damping effect, which comprises an embedded foundation and a tower body, a tower footing component is fixedly connected to the upper end of the embedded foundation, a buffer component and a damping component are fixedly connected to the inner side of the tower footing component, and a third ball block is fixedly connected to the bottom end of the tower body. The tower footing assembly comprises a tower footing body, a damping mounting groove, a conical groove and a torsion ball groove are sequentially formed in the inner side of the tower footing body, a rubber protection piece is fixedly connected to the inner side of the damping mounting groove, the damping assembly comprises a first ball seat block, the inner side of the first ball seat block is attached to the outer side of a first ball block, and a damper is fixedly connected to the inner side of the first ball block. According to the damping device for the signal tower, even damping is provided for the signal tower, local stress of a tower footing is reduced, the anti-seismic stability is improved, the service life is prolonged, and safe operation of communication equipment is guaranteed.

The utility model discloses a pipeline fixed support structure and pipeline conveying system, pipeline fixed support structure includes base and sets up the support on base, and base includes anchor plate, and it is fixed in civil engineering structure through expansion bolt, and support includes outer frame and baffle subassembly, through the cooperation of arc baffle and pipe section outer diameter and the cooperation structure with pipe section fixed ring, realize the firm fixed to pipe section, and will point contact convert into area contact, reduce contact stress, and prevent macromolecular pipeline from being crushed and being damaged, along the uniform distribution of baffle vertical support plate and the combination design of inclined bracing frame and rectangular frame, promote overall structural strength and impact resistance, through radial clearance and lateral clearance design, allow pipeline free thermal expansion and contraction, and the support material adopts corrosion -resistant treatment, satisfies the life requirement under the corrosion environment, can be applicable to pipeline conveying system, solves the pipeline corrosion, impact damage and anti -seismic stability problem under the deep sea environment.

The invention provides an accumulation body side slope seismic stability analysis method based on an improved Newmark method, and relates to the technical field of accumulation body side slope seismic stability analys.The method comprises the steps that if a potential sliding face of a bed rock overlying accumulation body is a linear face, the potential sliding face of the bed rock overlying accumulation body is processed in a conventional mode, and if the potential sliding face of the bed rock overlying accumulation body is a linear face, the potential sliding face of the bed rock overlying accumulation body is processed; if the sliding surface is a nonlinear surface, the sliding surface is equivalent to a linear sliding surface based on an energy principle; dividing the accumulation body into an unsaturated state and a saturated state; respectively calculating critical seismic coefficients corresponding to the accumulation body according to an unsaturated state and a saturated state; by adopting an acceleration time-history rectangular strip division method, carrying out segmented integration on the seismic acceleration time history exceeding the critical seismic coefficient to obtain permanent displacements of the sliding body corresponding to an unsaturated state and a saturated state respectively; analyzing the seismic stability of the accumulation body slope by combining the critical seismic coefficient and the permanent displacement; according to the invention, the earthquake stability of the accumulation body slope under the influence of rainfall before earthquake can be comprehensively and accurately reflected.

This utility model provides an integrated photovoltaic-storage-diesel-cooled cabinet, comprising: a cabinet body having multiple battery boxes spaced apart along its height; a support beam fixed to the cabinet body's pillars for housing the battery boxes; and an elastic baffle installed on one end of the support beam near the rear panel of the cabinet body. The elastic baffle includes a first baffle portion, a connecting portion, and a second baffle portion that are bent and connected in sequence. The first baffle portion is vertically positioned on the support beam and abuts against the bottom end of the battery box. The connecting portion is located above the bottom plate and extends towards the outer wall of the battery box cover. The second baffle portion is vertically positioned and abuts against the outer wall of the battery box cover. The elastic baffle, through its three-section bending structure, forms an adaptive clamping mechanism, replacing traditional screw fixing and enabling rapid installation and tool-free disassembly of the battery box. The first baffle portion abuts against the bottom end of the bottom plate, and the second baffle portion abuts against the outer wall of the battery box cover, forming a bidirectional constraint that improves the seismic stability of the battery box.

The utility model discloses an anti-seismic stability monitoring device, and relates to the technical field of monitoring equipment. The rebound apparatus comprises a rebound apparatus body, threaded concave holes are formed in the two side walls of the rebound apparatus body, the surface of the rebound apparatus body is sleeved with a protection assembly in a sliding mode, and elastic reset assemblies are fixedly installed on the rebound apparatus body and the protection assembly. According to the utility model, the rebound apparatus body and the movable part of the elastic reset assembly are moved by pressing the rebound apparatus body, so that the elastic part of the elastic reset assembly is compressed, and the detection end part of the rebound apparatus body is in contact with the surface of an engineering building; the rebound apparatus body and the movable part of the elastic reset assembly are driven to retract into the protection assembly through the elastic part of the elastic reset assembly, and the two sets of protection end covers are closed through the opening and closing assembly, so that the detection end of the rebound apparatus body is comprehensively protected through the protection assembly and the protection end covers; and the detection end part of the rebound apparatus body is completely protected.

This utility model belongs to the field of power generation equipment protection technology and discloses an oil collection device for a wind turbine transformer box, including an oil collection tank, an oil storage tank, and a limiting bracket. The oil collection tank is placed below the transformer, and the projection of the transformer falls on the oil collection tank, ensuring that the oil collection tank can collect oil leaking from the transformer and preventing oil from dripping outside the oil collection tank, thus avoiding safety hazards. The oil collection tank is connected to the oil storage tank to store the oil collected in the oil collection tank. The limiting bracket includes a frame and at least two limiting rods. The side of the frame in the width direction is U-shaped, and at least two limiting rods are spaced apart along the length direction of the frame. The two ends of the limiting rods are respectively fixed to the two sides in the width direction of the frame. The limiting rods are arc-shaped with a concave middle area. The oil storage tank is cylindrical and is horizontally supported by at least two limiting rods. The outer wall of the oil storage tank is limited along its circumference by the limiting rods to constrain the axial movement of the oil storage tank, prevent the oil storage tank from displaced due to equipment vibration, and improve the seismic stability of the oil storage tank.

The invention relates to the field of curtain wall structures, in particular to a photovoltaic energy storage integrated anti-seismic glass curtain wall device which comprises a cross beam, a curtain wall, a damping mechanism and an adjusting mechanism. A supporting seat is movably arranged on the cross beam, a first bracket is arranged on the curtain wall, a connecting rod is arranged on the first bracket, and the connecting rod is connected with the supporting seat; the damping mechanism is arranged on the cross beam and is used for preventing the supporting seat from moving; the adjusting mechanism is used for adjusting the moving range of the supporting base. The function that the curtain wall adjusts the moving range of the supporting seat in a self-adaptive mode according to different vibration strengths is achieved, and the effects of adapting to low-frequency high-strength vibration and high-frequency low-strength vibration, improving the anti-seismic stability of the curtain wall and avoiding fatigue damage of connecting pieces are achieved; the problem that the stability of a connecting structure is affected due to the fact that curtain wall displacement is not matched with vibration strength is solved.

The utility model relates to the technical field of steel structure buildings, in particular to a damping device of a beam column joint, which comprises a beam column, an assembly part, a transverse column and damping parts, the assembly part is arranged on the vertical end face of the outer side of the beam column, the transverse column is assembled at the other end of the assembly part, and the damping parts are arranged on the upper side and the lower side of the transverse column. The assembly part comprises a rod seat and an insertion rod seat, the rod seat is fixed to the vertical end face of the outer side of the beam column through a fixing screw, the insertion rod seat is horizontally arranged on the front portion of the rod seat, a hole seat is fixed to the end face of the insertion rod seat, the hole seat is assembled on the insertion rod seat in a sliding mode, and the damping part comprises a pull frame. And a ball head is fixed at one end of the pull frame. When the beam-column joint is shocked, the connection point of the beam-column joint is shocked and counteracted by the shock absorption piece, loose connection of the beam-column joint is avoided, and the overall shock resistance stability of the beam-column joint is improved.

Thermal energy storage (TES) systems convert variable renewable energy (VRE) into continuous heat exceeding 900°C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is supplied continuously as needed. Heat supply through a flowing gas establishes a temperature stratification that maintains a high outlet temperature through discharge. The supplied heat can be used in processes including power generation and cogeneration. The thermal storage medium can consist of heat-resistant materials such as brick or concrete, composed of radiant cavities and fluid channels to provide rapid radiative charging and long-term convective discharge from VRE. The configuration of the thermal storage medium allows for substantially horizontal temperature stratification and thermal supply arrangement, which provides seismic stability and facilitates significant scalability of the TES system by increasing the length of the system without adding excessive height, contributing to both the stability and efficiency of the thermal supply structure.

The invention provides a river sluice dam optimization method and system based on anti-seismic simulation, and the method comprises the steps: obtaining design parameters, geological conditions and actual operation conditions of a river sluice dam, and drawing up a plurality of calculation conditions including earthquake load action combinations; carrying out structural stress and deformation calculation on the river sluice dam under each calculation working condition to obtain a quasi-static method stress deformation result; on the basis of the quasi-static method stress deformation result, a target evaluation area is recognized, dynamic time history analysis of the dam body and the dam foundation system is carried out for the target evaluation area according to design parameters and geological conditions, and an earthquake dynamic response result is obtained; performing comprehensive safety evaluation on the anti-seismic stability and the structural strength of the river sluice dam by fusing a quasi-static method stress deformation result and an earthquake dynamic response result; according to the comprehensive safety evaluation result, a processing scheme is provided for the river sluice dam structure which does not meet the preset anti-seismic safety standard, and more comprehensive, reliable and refined comprehensive evaluation of the anti-seismic performance of the river sluice dam is achieved.

The utility model relates to the technical field of building trusses, and discloses a teaching building staggered truss capable of improving anti-seismic stability, which comprises a truss structure, a cross beam is fixedly mounted on the right side of the truss structure, and an oblique beam used for connecting the truss structure is movably mounted on the upper end face of the cross beam. The left end and the right end of the oblique beam are connected with the truss structure and the cross beam through two mounting plates respectively, the two ends of each mounting plate are fixedly sleeved with limiting plates located on the outer side of the oblique beam, and the mounting plates at the left end and the right end are connected with the truss structure and the cross beam through a plurality of fastening bolts respectively. The inclined beam, the fastening bolts, the protective plugs, the truss structure and the cross beam are matched, the problem that the fastening bolts rust after being exposed is effectively solved through the arrangement of the protective plugs, the fastening bolts are protected in the mode that the sealing plugs are installed on the outer sides of the fastening bolts, and therefore the service life of the fastening bolts is prolonged.

The invention provides an accumulation body side slope seismic stability analysis method based on system energy balance, and relates to the technical field of accumulation body side slope seismic stability analysis, and the method comprises the steps: defining a core energy item of a slip mass-slip zone system, comprise total energy of a seismic oscillation input system, damping energy consumption in a sliding body, kinetic energy of the sliding body, friction energy consumption, energy consumption of a sliding belt and gravitational potential energy drop of the sliding body; based on an energy conservation principle, establishing an energy balance equation of a slip mass-slip band system; respectively calculating the specific numerical value of each energy item in the step Q100; verifying whether each energy item meets an energy balance equation or not, and analyzing the seismic stability of the accumulation body slope in combination with the proportional relation between the energy items; according to the method, whether the slope is unstable or not can be judged, key factors of instability can be recognized, and a more scientific and practical technical basis is provided for anti-seismic reinforcement design and risk grading management and control of the accumulation body slope.

The invention discloses a slope-bridge coupling structure earthquake stability multi-index assessment system, and relates to the technical field of risk assessment of earthquake disasters on slope and bridge structures, and the system comprises a processor, a database and an information acquisition module, a first numerical simulation model of the bridge-slope coupling structure is constructed based on Flac3D, the processor iterates the first numerical simulation model based on the environment information collected by the information collection module, and a second numerical simulation model corresponding to the environment information is created. According to the method, the first numerical simulation model and the second numerical simulation model for constructing the slope-bridge coupling structure are designed, the function of automatically optimizing modeling parameters is achieved, the problems that evaluation deviates from reality and the coupling effect is difficult to quantify due to dependence on a static model and parameter fixation are solved, the model parameters can be adjusted in real time, and the evaluation accuracy is improved. The influence of environment change on the model is quantified, and the efficiency and accuracy of stability evaluation are improved.

The present invention discloses a method for determining seismic motion for evaluating geotechnical engineering disasters near a thrust active fault, comprising the following steps: S1: investigating a target work site to determine the site category and seismic motion level of the target work site; S2: determining seismic motion parameters; S3: considering the influence of the multi-directionality of seismic motion near a thrust active fault, the hanging wall effect, and the mutual relationship between the slope strike and the fault orientation on the determination of seismic motion, determining the seismic force at the target work site; S4: determining the seismic pulse velocity peak and pulse period at the target work site; S5: selecting measured seismic records and adjusting the proportional coefficient of the measured seismic records; S6: determining the seismic motion at the target work site using a time history analysis method. The present invention considers the influence of the multi-directionality of seismic motion near a thrust active fault, the hanging wall effect, and the mutual relationship between the slope strike and the fault orientation on the determination of seismic motion, can more accurately determine seismic motion, and provides technical support for slope seismic stability evaluation.

The present invention discloses a shock-absorbing wheel with a auxetic metamaterial sandwich thickness gradient structure, which relates to the technical field of shock absorption for intelligent transport equipment. The wheel achieves shock absorption by dissipating energy simultaneously through the provision of three layers of concave four-reverse-chiral auxetic metamaterial sandwich structures with a coupled deformation mechanism, thereby ensuring dynamic protection of the wheel body against vibration and impact. The wheel adopts a thickness gradient design of multiple groups of concave four-reverse-chiral auxetic metamaterial sandwich structures, achieving step-by-step energy dissipation against vibration and impact through the three layers of different thicknesses. Simultaneously, the wheel axle is combined with the elastic recovery properties of the four-chiral auxetic metamaterial to maintain the stability of the wheel axle during continuous energy dissipation. The device significantly improves the anti-seismic stability of the transport equipment during operation, ensuring the safety of transported objects and improving transport efficiency.

The invention provides a face plate dam body anti-seismic structure and a construction method thereof, and relates to the technical field of hydraulic engineering, the face plate dam body anti-seismic structure comprises a dam body, an anti-seismic layer, a first transition material layer, a second transition material layer, an anti-seepage face plate, a cushion layer and a toe board, and the toe board and the anti-seismic layer are sequentially arranged on a dam foundation of a dam; a first transition material layer is arranged between the upstream rock-fill area (011) of the dam body and the anti-seismic layer, a second transition material layer is arranged between the slope surface of the upstream rock-fill area (011) of the dam body and the cushion layer, the first transition material layer is connected with the second transition material layer (04), the joint of the anti-seismic layer and the cushion layer is connected with the toe board, and the anti-seepage panel is arranged on the cushion layer. The anti-seismic stability of the dam can be effectively improved.

This invention relates to the fields of seismic resistance in geotechnical engineering and construction technology in hydraulic engineering, and particularly to a vibration energy dissipation feedback control system for core wall anti-liquefaction. The system includes: a data acquisition and positioning module that acquires vibration response signals and location information in real time during the compaction process; a signal processing and feature extraction module that extracts characteristic parameters representing the dynamic state of the fill material; a real-time liquefaction risk diagnosis module that outputs a quantified liquefaction risk index using a pre-trained discriminant model; an intelligent decision-making and control command generation module that generates control commands based on this index; an actuator adaptive adjustment and targeted compaction module that drives the roller to adjust its working parameters and performs targeted enhanced compaction in high-risk areas; and a global iteration and visualization monitoring module that coordinates the entire process and generates a quality risk distribution map. This invention achieves real-time perception and adaptive closed-loop control of anti-liquefaction performance during construction, fundamentally improving the seismic stability of the core wall.

A thermal energy storage (TES) system converts variable renewable power (VRE) to continuous heat exceeding 900 DEG C. The intermittent electric energy heats the solid medium. Heat from the solid medium is continuously delivered as needed. Heat transfer via the flowing gas establishes a thermocline that maintains a high outlet temperature throughout the discharge process. The delivered heat may be used in processes including power generation and cogeneration. The thermal storage medium may constitute a refractory material, such as bricks or concrete configured with radiant cavities and fluid flow channels, to provide rapid radiant heat charge and long term convection exotherm from the VRE. The configuration or construction of the thermal storage medium enables a substantially horizontal thermocline and thermal transport arrangement that thermally provides anti-seismic stability and facilitates significant scalability of the TES system primarily by increasing the length of the system without increasing the excess height, thereby facilitating both stability and efficiency of the thermal transport structure.

The utility model discloses a building support structure which comprises a shock insulation support mechanism, and the shock insulation support mechanism comprises a shock insulation rubber seat, a lower embedded plate mechanism installed at the bottom of the shock insulation rubber seat and an upper reinforcement cage mechanism installed at the top of the shock insulation rubber seat. The lower pre-embedded plate mechanism comprises a lower pre-embedded plate, and a plurality of grabbing ribs are fixedly connected to the edge of the bottom of the lower pre-embedded plate; the lower embedded plate mechanism further comprises a core pulling structure arranged on the inner side of the grabbing rib, the core pulling structure comprises a core pulling plate, a plurality of pulling ribs are fixedly connected to the core pulling plate, and the pulling ribs are hung on the grabbing rib in a pulling mode. The upper reinforcement cage mechanism comprises a mounting plate fixedly connected to the top of the shock insulation rubber seat, and the top of the mounting plate is fixedly connected with a reinforcement cage structure. According to the anti-seismic structure formed by the structure, the connection stability of the anti-seismic structure is improved by improving the embedded structure and the reinforcement cage structure, and therefore the anti-seismic effect and the anti-seismic stability of the anti-seismic structure can be greatly improved.

This application discloses a method and apparatus for evaluating the seismic stability of slopes with a binary stratigraphic structure, relating to the field of geotechnical engineering. A soil-rock differentiated constitutive model is established, and the spatiotemporal effects of seismic waves are simulated using simple harmonic waves. Dynamic response characteristics are calculated, and a logarithmic spiral slip surface is determined. The vertically segmented slip body is analyzed, and the inertial force resultant is obtained by integrating seismic acceleration. Using the limit equilibrium method, the slope seismic stability coefficient corresponding to the logarithmic spiral slip surface is solved. All potential slip surfaces within the slope are iteratively searched, and the slip surface corresponding to the smallest slope seismic stability coefficient is taken as the most dangerous slip surface. The displacement and acceleration dynamic response laws of the slip body under seismic loading are analyzed to form a comprehensive evaluation system. This method solves the problems of existing methods that still use a single viscoelastic constitutive model, failing to fully consider the differences in dynamic characteristics between soil and bedrock, failing to reflect the geometric boundary conditions of the slope model, and potentially overestimating seismic forces within the slope.

The invention relates to the technical field of structure safety monitoring, and discloses an anti-seismic detection method based on an intelligent retractable canopy. The method comprises the following steps: establishing a detection task for a target contraction canopy, wherein the task comprises unique identification information; extracting a historical environment data set of the target canopy according to the identification information; generating a dynamic environment simulation sequence based on the data set to simulate future environment state change; constructing a canopy structure point cloud model according to the sequence, wherein the model reflects physical structure forms of the canopy in different environment states; applying a simulated seismic load to the point cloud model to obtain a structural response data flow of the point cloud model; analyzing the data stream, and identifying a key deformation area and a stress concentration point; and calculating an anti-seismic stability index of the canopy structure, and comparing the anti-seismic stability index with a preset threshold value to generate a detection report. According to the invention, through dynamic environment simulation and variable form point cloud modeling, the accuracy and practicability of anti-seismic detection are improved.

The invention provides a wind-solar integrated power generation device, which relates to the technical field of power generation, and integrates the functions of fan support, photovoltaic installation, electrical equipment accommodation, operation and maintenance channels and the like on the level of a structure body by constructing a polygonal surface truss type tower base. Systematic defects of space splitting, repeated resource investment, redundancy of an operation and maintenance system and the like caused by traditional wind-solar discrete arrangement are fundamentally overcome; the polygon truss structure endows the tower base with excellent wind load resistance and shock resistance stability, and meanwhile, the network-shaped supporting rod pieces provide a reliable mounting foundation for various accessory components. A hollow cavity and partitioned electrical arrangement avoid the land occupation of an external box transformer substation and the risk of external application of cables, a tower base rotation avoidance mechanism and a top fireproof isolation layer cooperate to improve the operation safety and environmental adaptability, the overall structure has high mechanical stability, strong function ductility and excellent operation and maintenance accessibility, and the structure is simple and convenient. And an engineering landing integrated structure normal form is provided for wind-solar collaborative development in a high-density land constraint scene.

The utility model relates to the technical field of bridge tower structures, in particular to a steel reinforced concrete bridge tower structure. In order to solve the problems that large-scale steel structure installation and concrete pouring work of a bridge tower usually need to be completed on site, particularly concrete pouring is often affected by weather and seasons, the construction period is long, and the construction period is prone to being delayed due to external factors such as weather and material supply, the following technical scheme is provided. The main body framework comprises a plurality of groups of longitudinal steel pipes, a plurality of groups of transverse steel pipes are connected between every two adjacent groups of longitudinal steel pipes, and the longitudinal steel pipes are communicated with the transverse steel pipes. According to the utility model, the construction efficiency and the quality control are improved, the bending resistance, the compression resistance and the earthquake resistance are enhanced, the earthquake resistance stability is improved, the stability of the bridge tower under the strong wind condition is improved, the structural performance, the construction efficiency and the safety of the bridge tower are all optimized, and the bridge tower is suitable for various complex environmental conditions.