275 results about "Superstructure" patented technology

System and method for monitoring vehicular traffic on a bridge, including receiving digital data representing the response of the bridge to a traffic event, where the digital data has been collected during the traffic event, from displacement sensors and accelerometers mounted on the superstructure of the bridge, wherein the digital data from the displacement sensors embody bending responses of the bridge, the digital data from the accelerometers embody acceleration responses of the bridge, and the digital data from the sensor are synchronised in the same time space, providing a parametric model which uses modal parameters to simulate generalized boundary conditions and two-dimensional behaviour of the bridge; using the parametric model to process the digital data to solve for deformation of the bridge and characteristics of the vehicle traffic, and generating an output that describes the deformation of the bridge and characteristics of the vehicle traffic.

The invention discloses a bridge substructure modeling scheme generation method and device, equipment and a medium, and relates to the technical field of bridge engineering, and the method comprises the steps: obtaining bridge superstructure design input parameters, constructing substructure design task information, and generating design parameters through big language model reasoning; and a modeling script is automatically generated, and structural response calculation is carried out. Different modeling strategies are judged and executed according to the calculation result, finally, a target modeling scheme meeting the requirement is intelligently generated, design parameter generation and automatic modeling of the bridge substructure in a non-standard bridge type scene are achieved, and the design efficiency and accuracy are improved.

The invention relates to a bridge superstructure safety risk assessment method and system and a storage medium. The method comprises the following steps: acquiring disease score deduction information of a technical condition of a bridge superstructure; obtaining bridge superstructure technical condition scoring data of the sample bridge, bridge superstructure score-deducted indexes and disease classification categories of the score-deducted indexes, and analyzing common indexes in the score-deducted indexes according to the score-deducted indexes; calculating a deduction value of the disease classification category of the common index at each scale based on an LSHADE algorithm, and calculating a safety risk score of the bridge superstructure of the sample bridge; dividing safety risk levels; constructing a bridge safety risk evaluation model by adopting a CatBoost ensemble learning method, and training the bridge safety risk evaluation model by utilizing a frequency reduction coefficient and the like of a sample bridge; and evaluating the safety risk level of the bridge superstructure by using the trained bridge safety risk evaluation model. The method is high in evaluation efficiency, low in cost and high in accuracy.

The application belongs to the technical field of aerospace, weapon equipment buffering and energy absorption protection, and particularly relates to a spring-like superstructure capable of repeated and efficient buffering and energy absorption, which is formed by spirally winding hollow tubes or filling tubes with circular, square, hexagonal, concave negative Poisson's ratio, self-locking or other special cross-sectional shapes; by adjusting the distribution forms of geometric parameters such as the spiral angle, polar angle, number of turns, pitch, winding diameter, tube diameter and wall thickness of the structure, the mechanical properties of the structure can be regulated and controlled. Compared with conventional foam, honeycomb and other traditional energy absorption materials, the application can achieve the purpose of efficient buffering and energy absorption, and can achieve the effect of being reusable.

The invention provides a seismic isolation structure AMD control system based on the seismic energy storage principle, and relates to the technical field of structural engineering and damping control. The bottom of the building dissipates energy through the shock insulation support and the hydraulic inerter damper, earthquake input is converted into gravitational potential energy, mechanical energy and electric energy, and the energy storage module supplies energy to the active tuned mass damper arranged on the top of the upper structure. The system monitors structural response in real time through the acceleration sensor and the force sensor, the AMD intelligent control unit calculates and outputs control force capable of reducing upper vibration and generating reverse overturning bending moment, and therefore structural vibration is restrained and the shock insulation support is prevented from being pulled under the strong shock working condition, and the overall anti-seismic performance of the shock insulation structure is remarkably improved.

The application discloses a hoisting method for an ultra-high superstructure unit section of an ultra-large container ship, and is mainly used for hoisting the complete superstructure unit section of the ultra-large container ship. The method solves the problems of the interference and the ultra-highness of the superstructure after the structure of the superstructure is completed, and ensures the safety of hoisting the superstructure under the premise of the complete structure by means of reasonable hoisting methods and strengthened design under the condition that the lifting capacity and lifting height of the gantry crane are limited. The hoisting scheme comprises a lifting ring on a cab deck, structure strengthening, temporary strengthening and a steel wire rope of the gantry crane. The application can solve the problem of the structural integrity of the superstructure, shorten the dock period, reduce the high-altitude operation, and ensure the safety of hoisting the ultra-high superstructure.

Described is a device for offshore arranging of a wind turbine or components thereof on a foundation present at sea. The device includes an elongate superstructure connected releasably to the foundation and extending between a lower surface and an upper surface thereof in the vertical direction from the foundation. The superstructure has an internal space which is accessible to a tower section of the wind turbine and in which the tower section can be received. Further present is a horizontally displaceable supply structure for a tower section. The supply structure is configured to move a tower section coupled thereto from outside the internal space into the internal space by a horizontal displacement. An engaging structure, received for vertical displacement in the internal space, is configured to lift an engaged tower section in the internal space by a vertical displacement, whereby sufficient space is created under the relevant tower section for receiving another, underlying tower section in the internal space.

The invention discloses an existing bridge high-precision three-dimensional reconstruction method based on laser point cloud data, and relates to the technical field of bridge engineering digital reconstruction. Multi-source laser point cloud cooperatively collects detail point cloud of key components of an existing bridge, point cloud of a bridge floor and an upper structure and point cloud of a shielding part; multi-source point cloud coarse registration is completed based on a target ball of a preset specification, and then fine registration is carried out by adopting an improved iterative nearest point algorithm of integrated normal vector constraint; and adopting a layered denoising strategy to carry out statistical filtering denoising on the flat area, and carrying out adaptive radius filtering on the vulnerable area to reserve cracks and peel off disease points. Through collaborative design of multi-source acquisition, precise processing, intelligent segmentation, parameterized modeling and hierarchical verification, data integrity improvement, consideration of point cloud processing precision and disease retention, semantic segmentation and instance identification precision optimization, BIM model engineering value improvement and achievement adaptability enhancement are realized.

According to the high-toughness superstructure manufacturing method based on gradient bionic spiral construction, a composite material superstructure with the excellent mechanical property is constructed through the synergistic effect of gradient bionic spiral laying layer design and a Z-pin anchoring technology, in a gradient bionic spiral laying layer, the spiral angle changes in a gradient mode, Z-pin anchoring penetrates through a composite material laminated plate, and the Z-pin anchoring technology is used for anchoring the composite material laminated plate. According to the manufacturing method, a three-dimensional reinforced network is formed, the interlayer strength and impact resistance are remarkably improved, the high-toughness superstructure is manufactured through an autoclave forming process, cooperative reinforcement of gradient bionic spiral construction and a Z-pin anchoring effect is achieved, and the prepared superstructure has high specific strength, high toughness and excellent layering resistance.

The invention relates to the technical field of bridge engineering, in particular to a mixed ultra-high performance concrete continuous structure system bridge and a construction method thereof. The mixed type ultra-high performance concrete continuous structure system bridge comprises bridge piers and a bridge superstructure, and the bridge superstructure comprises a web hollowed-out section box girder and a solid web section box girder; the bridge adopts a mixed large-span prestressed ultra-high performance concrete continuous structure system bridge, so that the weight of the bridge is reduced, and the span capacity of the bridge is greatly improved; the structure formed by the first pi-shaped beam, the groove beam and the stand column is designed, the construction bending moment is balanced in combination with external prestressing force, a certain thickness of each part is guaranteed, the problems of local buckling, shear instability and overall instability are effectively avoided, and the structure is more stable for the cross section distortion problem. Prestressed tendons are reasonably arranged and pre-tightening force is applied by means of the active constraint effect of prestress, so that buckling deformation of the cross section is effectively restrained.

The invention discloses a variable-stiffness friction slippage anti-swing three-dimensional shock isolation device and a shock absorption method thereof, and belongs to the technical field of building shock isolation and shock absorption. According to the technical scheme, the vibration damper comprises a top plate, a horizontal rubber support, a center mass block, a spring support, a limiting plate, a friction plate, a vertical rubber support and a bottom plate. The multi-stage self-adaptive rigidity mechanism has the beneficial effects that the friction material is arranged between the limiting plate and the friction plate, and the friction sliding position and the motion state can be controllably adjusted by adjusting the pre-tightening force of the bolt, the friction coefficient and the rigidity of the vertical rubber support, so that the multi-stage self-adaptive rigidity mechanism is formed; and the shock insulation and self-resetting performance of the structure under the action of horizontal and vertical earthquakes is obviously improved. The device has good three-dimensional shock insulation and swing resistance, and is simple in structure and convenient to install and maintain. The dynamic response of the upper structure applying the device under the earthquake action can be effectively inhibited, so that the structural safety and the use comfort are guaranteed.

The application discloses a bridge substructure modeling scheme generation method and device, equipment and medium, relates to the field of bridge engineering technology, and comprises the following steps: obtaining bridge superstructure design input parameters, constructing substructure design task information, generating design parameters by using a large language model reasoning, and then automatically generating a modeling script and performing structure response calculation. According to the calculation result, different modeling strategies are judged and executed, and finally a target modeling scheme meeting the requirements is intelligently generated, the design parameter generation and automatic modeling of the bridge substructure in a non-standard bridge type scene are realized, and the design efficiency and accuracy are improved.

The invention provides a cabin door sealing device of a main hull and superstructure elastic connection transition area, which comprises a main hull, a superstructure and a transition area, the transition area is positioned between the main hull and the superstructure, and the cabin door sealing device is characterized in that a door opening structure is arranged on the main hull; a first opening is formed in the position, corresponding to the door opening structure, of the superstructure, the door opening structure penetrates through the first opening, and a cabin door is installed on the door opening structure; a sealing assembly is arranged at the joint of the main hull and the external structure of the superstructure and used for preventing an external liquid medium from entering the transition area. The cabin door is installed on the door opening structure penetrating through the first opening, so that the cabin door does not make direct contact with the superstructure, and the relative displacement between the main ship body and the superstructure does not affect the cabin door only installed on the main ship body; meanwhile, external liquid media are prevented from entering the transition area through the sealing assembly.

The invention relates to the technical field of building shock absorption, in particular to a shock insulation support which comprises a support body, the support body comprises an upper mounting plate and a lower mounting plate, the upper mounting plate is connected with an upper building, the lower mounting plate is connected with a foundation, a rubber barrel is connected between the upper mounting plate and the lower mounting plate, and an auxiliary assembly is arranged in the rubber barrel. The auxiliary assembly comprises an upper mounting block and a lower mounting block, and a reset steel plate is connected between the upper mounting block and the lower mounting block. According to the device, the phenomenon of instability caused by large displacement shaking of the whole device can be effectively avoided, and further, the device can be more stable during use.

An angle-adjustable component icing measurement and runoff water collection device belongs to the technical field of icing and anti-icing research on ships and marine structures. This invention solves the problem in existing droplet icing measurement devices where the height and angle of the component under test cannot be adjusted, thus failing to cover most components on the ship's superstructure surface for icing testing. The component under test is mounted on the top of a lifting support via an angle adjustment component, and its height is adjusted via the lifting support. A limiting element is inserted into corresponding limiting through holes and blind holes to achieve circumferential limiting between two limiting cylinders, with the component under test fixed to the second limiting cylinder. This allows for changes in the angle and height of the component under test, enabling the acquisition of icing conditions at different windward positions on the ship's superstructure. It overcomes the limitation of traditional icing devices that can only simulate flow from a single direction, avoids the need for multiple component replacements, and effectively improves experimental efficiency.

This invention provides a prototype pipe pile shaking table test system for simulating the effects of foundation and superstructure, belonging to the fields of structural engineering, earthquake engineering, and foundation engineering. It includes a shaking table, a prototype pipe pile specimen horizontally arranged on the shaking table surface, a foundation action simulation component, a pile top axial compression simulation component, a pile cap simulation component, and a superstructure dynamic simulation component. The foundation action simulation component is fixed to the shaking table surface and covers the outside of the prototype pipe pile specimen. The pile top axial compression simulation component penetrates the inside of the prototype pipe pile specimen and extends to the outside of the pile bottom. The pile cap simulation component is connected to the top of the prototype pipe pile specimen, and the superstructure dynamic simulation component is positioned above the pile cap simulation component. This invention, using the above-mentioned test system, solves the problems of existing prototype pipe pile shaking table tests, such as large space requirements, high cost of foundation simulation, difficulty in loading real superstructures, inconvenient adjustment of working conditions, difficulty in comprehensively simulating pile-soil-structure interactions, and inability to accurately measure dynamic changes in pile axial force.

The invention discloses integral mounting equipment for an offshore photovoltaic superstructure. The integral mounting equipment comprises a platform main body, a lifting mechanism, a transportation device and a pushing device, a cavity is formed in the platform body to achieve sea surface floating, and the platform body is divided into a storage area and a jacking area. A lifting mechanism is arranged at the bottom of the platform body and used for driving the platform body to ascend and descend, and the side edge of the platform body is rigidly connected with a driven pile foundation. The transportation device is arranged at the top of the platform body; the invention further discloses an installation method of the equipment. By means of the module delivery mechanism built by the platform body, the assembly type photovoltaic upper module can be accurately moved to a designed pile position along the guide rail body, the whole process is not affected by hydrological environments such as moisture difference and sea waves, and frequent operation interruption and equipment position adjustment are not needed; and after a single framed bent is mounted, the next framed bent can be carried out only by moving the mounting equipment, so that factory line production is realized, and the mounting period of a single group of modules is greatly shortened.

A floatable renewable energy platform is provided that includes a superstructure containing one or more substantially horizontal, above wave structural support members. The superstructure is supported by a plurality of floats interconnected by the structural members, and the platform is configured to provide an air gap in the range of 10 m to 30 m between the surface of the static body of water and the structural members.

The utility model relates to the technical field of jacking devices, in particular to a bridge support replacement jacking device which comprises a hydraulic column and a hydraulic jacking cylinder. And two groups of hydraulic jacking cylinders are mounted on the outer side of the hydraulic column. The two sets of hydraulic jacking cylinders are connected with the top plate to assist the hydraulic columns for supporting, so that the bearing capacity of the hydraulic columns can adapt to actual loads of different bridges, sufficient supporting force is provided, it is ensured that the hydraulic columns can safely support the upper structures of the bridges, and the load requirements of different bridges are met; load can be dispersed, overload of a single hydraulic cylinder is avoided, additional lateral support is provided for the hydraulic cylinders, the hydraulic cylinders are prevented from overturning in the jacking process, the risk of equipment damage is reduced, the two sets of hydraulic jacking cylinders are used for assisting in supporting, the load is effectively dispersed, local stress concentration is reduced, and the reliability of equipment is improved. And the risk that the bridge structure cracks or deforms in the jacking process is reduced, and the overall safety is improved.

This invention discloses a superstructure design method for suppressing noise loads in aircraft under high-speed environments, relating to the field of aircraft design. The method includes: obtaining characteristic noise frequencies through simulation using a typical cavity model; introducing various designable structures such as micro-perforated plates, Helmholtz resonators, and porous materials to construct acoustic superstructures capable of suppressing or phase-shifting noise loads at these frequencies; and solidifying the acoustic superstructure assembly style through ground tests or wind tunnel tests to facilitate its physical realization. This invention addresses the problem that commonly used cavity noise reduction methods cannot be applied to high-speed cavity structures by designing and optimizing various acoustic superstructure assemblies capable of suppressing or phase-shifting noise loads to achieve optimized suppression of noise loads in aircraft cavities under high-speed environments.

The invention provides a material conveying system for a ship. The device comprises a loading and unloading platform and a cabin spare part crane. According to the ship material conveying chain, the needed ship materials are lifted from a wharf through the engine room spare part crane, then the ship materials are transferred to the loading and unloading platform, normal conveying of the ship materials between the ship and the shore is achieved through cooperative work of the engine room spare part crane and the loading and unloading platform, and a complete ship material conveying chain is provided for conveying of the ship materials. The arrangement of a food hoist can be replaced, the space utilization rate is optimized, the deck space of a superstructure area is saved, installation of the food hoist is reduced, and the ship design and construction cost is reduced. Through the arrangement of the loading and unloading platform, the shelving table is attached to the stand column after use, the occupied deck space of an overbuilt area is reduced, more space is vacated for arranging other equipment or outfitting pieces, and the ship space is effectively saved.

The application discloses a beam body transfer method, and relates to the technical field of bridge superstructure erection construction, which comprises the following steps: making a transport ship carrying a box girder travel to the interval between two groups of support platforms arranged at a hoisting position, a support mechanism being arranged between the box girder and the transport ship, and making the part of the support mechanism extending out of the two sides of the transport ship to be located above the support platforms; and lowering the transport ship to make the part of the support mechanism extending out of the two sides of the transport ship to fall on the support platforms. The box girder is placed on the support mechanism of the transport ship, and the two end parts of the support mechanism extend out of the two sides of the transport ship, so that the box girder can be placed on the support platforms through the support mechanism by changing the elevation of the transport ship on the water surface, the problem that the transport ship can only transport but cannot erect the girder is solved, and the problem that the girder-erecting integrated ship can erect the girder and transport but has high long-distance transportation cost is solved.

The invention discloses a ship ceiling structure which comprises a main framework, a ceiling framework and awning cloth, the awning cloth is laid on the ceiling framework, the ship ceiling structure further comprises a plurality of elastic connecting pieces, and the elastic connecting pieces are arranged between the main framework and the ceiling framework; the flow guide part is arranged on the ceiling framework; and the fixing assembly is used for fixing the awning cloth on the ceiling framework. By means of the elastic deformation characteristic of the elastic connecting pieces, alternating stress of the slamming effect can be effectively buffered, and the situation that the tarpaulin is damaged due to violent tearing is avoided; meanwhile, airflow around the ceiling can be optimized through the flow guide part, the air resistance, the vortex effect and the aerodynamic noise of the ceiling are reduced, continuous vibration of the awning cloth under the wind action is reduced, and the wind resistance of the ceiling is further enhanced; due to the arrangement of the fixing assemblies, stable connection between the awning cloth and the ceiling framework is ensured.

The utility model discloses a high bridge pier bridge foundation structure, which relates to the field of bridge foundation structure construction and comprises a bridge pier bottom plate, pile foundation structures are respectively constructed and poured on the periphery of the bottom end of the bridge pier bottom plate, and top end reinforcing steel bars of the pile foundation structures and a reinforcing steel bar framework of the bridge pier bottom plate are connected together and are integrally poured through concrete. A middle expanding head structure is poured in the middle of the pile foundation structure through concrete, and a bottom end friction head structure is poured at the bottom end of the pile foundation structure through concrete. And a pile foundation bearing platform is poured and constructed at the top end of the pier bottom plate. Compared with an original vertical pile foundation, the foundation structure has the advantages that the construction time and the construction concrete amount can be saved, and enough bearing capacity is guaranteed to bear the load of the upper part (high bridge pier).

The utility model discloses a hydropower station ground workshop superstructure which comprises bent frame structures, a prefabricated goose-shaped plate roof is fixedly connected to the tops of the bent frame structures, crane beams are fixedly connected between the bent frame structures, and protective walls are fixedly connected to the outer sides of the tops of the bent frame structures. The framed bent structure comprises two rows of framed bent columns in the axis direction of the plant, the framed bent columns in each row are arranged at equal intervals, the framed bent structure further comprises two rows of wind-resistant columns in the span direction of the plant, and the wind-resistant columns in each row are arranged at equal intervals. Shear walls are fixedly connected between the adjacent framed bent columns and between the adjacent wind-resistant columns, and all the framed bent columns, the wind-resistant columns and the shear walls form a rectangular frame structure. According to the superstructure of the hydropower station ground plant, the problems that an existing superstructure of the hydropower station ground plant is poor in integrity, complex in construction procedure and long in construction period are solved, the construction procedure is simplified, and the construction efficiency is improved.

The invention discloses an integrated digital design system and method for upper and lower structures of a bridge, and relates to the technical field of bridge design and computers, a system is created through a computer programming technology, and the functions of intelligent modeling of the upper and lower structures of the bridge, one-key generation of a finite element analysis model and one-key output of a calculation report can be achieved. The system mainly comprises a parameter database, an upper model database, a lower model database, a route identification module, a geological parameter identification module and an integrated intelligent analysis module. Design parameters of upper and lower structures of a bridge are classified and refined to form a universal modular parameter input system, corresponding design parameters of external routes and geological files are automatically identified, and finally all the modules are intelligently integrated to automatically form a complete upper and lower integrated finite element analysis model. The system can improve the calculation and design efficiency of the bridge structure and reduce the design cost.

The application discloses a kind of non-perfect information condition under ship basic structure shape three-dimensional modeling method, including obtaining the three-dimensional modeling main scale basic data of ship platform;Establish the three-dimensional modeling coordinate system of ship basic structure shape, with ship overhead satellite remote sensing image as reference, construct initial main deck boundary line and superstructure contour model, with the deflection angle adjustment correction of initial model, with the deflection angle of correction as the shooting visual angle of satellite remote sensing image, restore to construct the two-dimensional normal overhead view of main deck boundary line and superstructure contour;Construct the control point coordinate of main deck boundary line, superstructure contour in the positive direction of Z axis, as the contour control point height above waterline, restore to construct the two-dimensional normal side view of ship basic structure shape;According to ship multi-view photograph, ship basic structure three-dimensional fitting is carried out, and ship platform basic structure three-dimensional shape modeling is completed.The application can realize the three-dimensional modeling of ship geometric shape under non-perfect information condition.

A floating resort installation 100 that includes an annular hull 102, a superstructure 104, and a domed roof 110. The annular hull is designed to define an inner sea pool 114. The superstructure is mo

This utility model proposes a safety protection device for walking during bridge superstructure construction, belonging to the field of bridge construction technology. The device includes two movable trolleys mounted above the bridge deck, each trolley equipped with a winch connected to a steel wire rope. A suspended platform is connected to the bottom of the steel wire rope and positioned below the bridge deck. Reinforcing cages for guardrail construction are located on both sides of the bridge deck. The device also includes a stabilizing mechanism fitted onto the steel wire rope and a fixing mechanism connected to the rear end of the trolleys. This utility model, applied during bridge structure construction, solves the problem of wear and tear on the steel wire rope and bridge deck caused by gaps between them and weather conditions such as wind. It also improves the overall stability of the suspended platform, enhances the convenience of trolley fixing, and facilitates trolley movement.

Reusable, essentially pyramid-shaped concrete point foundation, characterized by an integrated reinforcement to absorb tensile, compressive and bending forces, a mounting flange located at the upper end and embedded in the concrete for receiving superstructures, as well as two or more metal pipes passing through the foundation, wherein the metal pipes are connected to the reinforcement and completely surrounded by concrete, and the foundation is designed so that it can be lifted, transported and reused after use.