167 results about "Shearing deformation" patented technology

The invention belongs to the technical field of direct shear-seepage tests of rock joints, and discloses a numerical test method for direct shear-seepage of rock joints under different boundary conditions, which comprises the following steps of: establishing a joint surface numerical model by using finite element software, and performing tests for simulating joint shear mechanical behaviors by applying different boundary conditions. And the contact state and the opening distribution of the joint surface under different shear displacements are obtained, so that the shear stress evolution mechanism of the joint surface is better revealed, and the mechanical behavior of the rough joint surface in the shear process is accurately expressed. According to the method, the evolution law of mechanical properties in the joint shearing process can be reflected, the influence of shearing deformation on the joint seepage characteristics can be reflected, joint opening data distribution is imported into programming software to be processed, a joint seepage numerical model is constructed, then multi-physics field simulation analysis software is imported, and the joint seepage performance is improved. The flow velocity, the osmotic pressure and the streamline distribution characteristics in the flowing process are calculated, so that the joint permeability characteristics are analyzed.

The invention relates to the technical field of deformation prediction, in particular to a rock high slope excavation anchoring deformation prediction method based on artificial intelligence, and the method comprises the following steps: obtaining multi-source image data, analyzing rock volume and gravity center transfer, extracting a corresponding relation between abnormal stress and displacement, constructing a structure offset path, and screening continuous abnormal features. And extracting a key deformation rate interval to obtain an anchoring deformation trend prediction result. According to the method, the position of an unbalanced section is judged by constructing a gravity center transfer track and a mass difference space sequence and combining a coupling relation between a stress abnormal point and a displacement response direction, a collaborative evolution section of a structure offset path and a stress boundary is extracted, and a continuous abnormal zone is screened according to a crack change and joint fluctuation trend. A key change interval is extracted in combination with the time feature of the shear deformation rate, dynamic judgment of a structural deformation path and an extension direction is completed, and the spatial continuity recognition capability and the time response resolution are enhanced.

The self-adaptive staged energy consumption friction-shear yield composite damper comprises a friction energy consumption unit, an inner friction plate, an outer friction plate, at least two shear energy consumption units and an H-shaped steel plate, wherein the inner friction plate and the outer friction plate are located on the friction energy consumption unit, and the H-shaped steel plate is located at the tail end of the friction energy consumption unit and used for fixing the friction energy consumption unit. The prestressed bolt sequentially penetrates through the inner friction plate and the outer friction plate on the friction energy dissipation unit and the shear energy dissipation unit and is connected with the inner friction plate and the outer friction plate on the friction energy dissipation unit and the shear energy dissipation unit through at least one pair of linkage rods, and the two ends of the friction energy dissipation unit are connected to beam-column joints respectively. The linkage rod does not make contact with a linkage rod penetrating hole of the shearing energy dissipation unit during displacement, and only the friction energy dissipation unit works; and the linkage rods make contact with the linkage rod penetrating holes in a displacement mode, the shear energy dissipation devices are fixed, the shear plates are subjected to shear deformation, and the earthquake displacement response of the structure is effectively reduced through staged energy dissipation and the displacement amplification effect.

The waveguide polyurethane laminated shock insulation support comprises an upper connecting plate, a lower connecting plate and a shock absorption body arranged between the upper connecting plate and the lower connecting plate, the upper end face of the shock absorption body is fixed to the bottom face of the upper connecting plate through an upper pressure-bearing wear-resisting layer, and the lower end face of the shock absorption body is fixed to the upper end face of the lower connecting plate through a lower pressure-bearing wear-resisting layer; the damping main body comprises a plurality of multi-layer corrugated steel plates which are distributed up and down and polyurethane elastomers which wrap the multi-layer corrugated steel plates and are alternately vulcanized and tightly attached into a whole. The internal structure of the shock insulation support is optimized, energy is absorbed through waveform deformation during shear deformation, transverse expansion deformation of the polyurethane elastomer is limited under vertical load, the contact area with the polyurethane elastomer is increased, friction force is increased, the energy dissipation capacity is enhanced, and the service life of the shock insulation support is prolonged. The problem that a steel plate and polyurethane are separated or relatively slide due to insufficient binding force of a traditional shock insulation support is solved, the interlayer peeling strength is improved, and the vertical bearing capacity of the support is improved.

The application discloses a processing method of low-cost high-performance tantalum alloy plate, which comprises the following steps: using a firm electrode obtained by uniformly mixing Ta powder, W powder and Nb powder and then welding as raw material, carrying out twice electron beam melting to obtain a large-size tantalum alloy ingot; through primary extrusion on the large-size ingot, repeated operations of turnover forging and shaping and secondary extrusion, a three-time extruded rod blank is obtained; finally, the extruded rod blank is subjected to blanking, intermediate annealing, cross-rolling and product annealing, and the preparation of the tantalum alloy plate is completed. The application uses Nb to replace part of the Ta matrix to prepare a new type of tantalum alloy, and the raw material cost can be reduced by about 1 / 4. Then, through multiple turnover forging and extrusion, cross-extrusion of the ingot is realized, the advantages of shear deformation and dislocation interlacing on grain crushing are fully utilized, the grain size of the prepared plate is above 8.0, and the mechanical properties are better than those of a traditional Ta2.5W alloy, so that the plate can be used as a preferred material for weapon equipment structural parts.

The invention belongs to the technical field of restrained braces, and particularly relates to a viscoelastic double-step all-steel buckling restrained brace which comprises an outer sleeve, two viscoelastic devices, a core plate and a limiting structure, the outer sleeve, the two viscoelastic devices and the core plate are arranged, and the two viscoelastic devices are embedded in the inner side and the outer side of the two ends of the outer sleeve respectively; the viscoelastic material can absorb and dissipate energy generated by earthquakes or wind loads through shear deformation, the vibration response of a structure body is effectively reduced, the anti-seismic performance of a building is improved, the core plate movably penetrates through the viscoelastic device and is arranged in the outer sleeve, the core plate is preliminarily restrained through the outer sleeve, and the anti-seismic performance of the building is improved. According to the limiting structure, the side plates and the multiple limiting plates are matched to limit the core plate, lateral displacement of the core plate can be limited, bending instability of the core plate in the stress process is prevented, it is ensured that the core plate is mainly subjected to axial deformation all the time, and the anti-seismic property of the viscoelastic device is fully exerted.

The utility model discloses a high ductility steel frame-herringbone bracing structure, which relates to the technical field of building steel structures, and comprises a stand column, a beam and a diagonal bracing, the beam comprises a beam web, a beam upper flange and a beam lower flange, the diagonal bracing is connected with the beam through a conversion structure, the conversion structure comprises a first web, a first transverse stiffening rib and a first horizontal stiffening rib, the first web is arranged at the bottom of the beam lower flange and vertically aligned with the beam web, the first horizontal stiffening ribs are fixed to the bottom of the first web, the first transverse stiffening ribs are symmetrically arranged on the two faces of the first web, the inclined struts are fixed to the bottoms of the first horizontal stiffening ribs, and holes are formed in the beam web. The conversion structure facilitates connection of the beam and the inclined strut, the hole is formed in the beam web, the bottom elevation of the hole is flush with the conversion structure, the situation that the shear deformation capacity of the beam at the joint is weakened due to the fact that the conversion structure is additionally arranged can be avoided, and a high-ductility connecting structure is formed.

The present disclosure relates to a tactile presentation device that includes a tactile presentation knob placed on an operation screen and for presenting a tactile sense to a user via the tactile presentation knob. The tactile presentation knob includes a conductive elastic portion that includes a surface layer facing the operation screen and an inner layer located on the side opposite to the operation screen, and an operation part that fixes the conductive elastic portion. The surface layer is set to be subjected to greater shear deformation than the inner layer by an operation of the tactile presentation knob, to generate vibrations by a change in the frictional force, and to be subjected to greater compressive deformation than the inner layer by a press of the tactile presentation knob. The inner layer is set to have higher vibration transmissibility than the surface layer.

This utility model discloses a spiral-grooved vibration-damping tapered shank cutting tool, relating to the technical field of BT-type tapered shank cutting tools. Specifically, it is a spiral-grooved vibration-damping tapered shank cutting tool, comprising a flange and a BT-type tapered shank. The surface of the BT-type tapered shank is provided with spiral grooves, which are filled with elastic damping material. This spiral-grooved vibration-damping tapered shank cutting tool, by designing spiral grooves in the BT-type tapered shank and filling them with elastic damping material, utilizes the multi-head spiral structure of the spiral grooves to disperse vibration energy in multiple directions. At the same time, the elastic damping material absorbs high-frequency vibrations through shear deformation. This "rigid-flexible composite" structural design solves the contradiction between vibration suppression and structural strength in BT-type tapered shank cutting tools, and also provides high structural reliability without affecting the original strength of the BT-type tapered shank. It offers a BT-type tapered shank cutting tool that combines high rigidity, good vibration reduction performance, and low manufacturing cost.

The invention discloses a preparation method of a nano-particle filled magnesium alloy wire for fuse wire additive. The preparation method comprises the following steps of (1) cast ingot extrusion, (2) soaking treatment, (3) drying and heating, (4) continuous extrusion and (5) shaping and sizing. Firstly, nano-particles are evenly adsorbed to the outer surface and an inner cavity of a magnesium alloy pipe in a soaking mode, then a magnesium alloy pipe blank is heated and fused in a continuous extrusion mode and subjected to sufficient shearing deformation, then a wire is extruded, the nano-particles and magnesium alloy are sufficiently fused in the whole process, surface physical adsorption is converted into tight metallurgical bonding, and the magnesium alloy pipe blank is subjected to high-temperature heat treatment. And under the action of violent shear deformation, the nano-particles are dispersed and distributed in the magnesium alloy wire structure, and no nano-particle loss exists.

The invention relates to the technical field of shear model boxes, and discloses a novel layered shear model box capable of simulating multi-directional vibration. Comprising a circular base, an outer stand column is fixedly connected to the upper surface of the circular base, a first spring is fixedly connected to the side surface of the outer stand column, and an inner annular steel sheet is fixedly connected to the end, away from the outer stand column, of the first spring. Through horizontal movement of the outward-extending steel rod, the outward-extending steel rod can drive the parallel stabilizing wheel to move horizontally, the parallel stabilizing wheel can roll on the surface of the external horizontal supporting rod, the stability of the outward-extending steel rod when the outward-extending steel rod drives the internal annular steel sheet to move horizontally can be improved, and the direct friction force between the outward-extending steel rod and the internal annular steel sheet is small; and the horizontal supporting rods on the external stable frame can play a role in restraining the outwards-extending steel rods, and it is guaranteed that the internal annular steel sheets only conduct shearing deformation in the horizontal direction.

The invention belongs to the field of rock mechanical property evaluation, and particularly relates to a rock structural surface shear brittleness index obtaining method and a shear brittleness evaluation method. And carrying out a direct shear test on the rock structural surface to obtain a shear stress-displacement whole-process curve, calculating according to the shear stress-displacement whole-process curve to obtain a pre-peak brittleness parameter S1 and a post-peak brittleness parameter S2, and multiplying the pre-peak brittleness parameter S1 and the post-peak brittleness parameter S2 to obtain the shear brittleness index SI of the rock structural surface. According to the method, the shear stress rise rate in the pre-peak loading stage, the shear stress drop amplitude in the post-peak stage and the relative displacement in the residual deformation stage are comprehensively considered, the whole-process shear deformation characteristics of the rock structural surface can be comprehensively reflected, and the required parameters are easily measured through a mechanical test.

The invention relates to the field of anti-galloping vibration reduction of power transmission engineering, in particular to a vibration reduction structure and a method applied to a power transmission line, and the vibration reduction structure comprises a shell, a movable part at least partially located in the shell, and a viscoelastic part arranged between the shell and the movable part; the movable part can move relative to the shell, when the movable part and the shell move relatively, the viscoelastic part deforms to provide damping force, the vibration reduction structure is installed in the power transmission line, when the power transmission line swings or vibrates, the pull rod and the shell move relatively, the viscoelastic layer is subjected to shear deformation, and energy is dissipated. The vibration amplitude of the power transmission line is reduced; when the amplitude of waving or vibration is further increased, the relative displacement between the pull rod and the shell is further increased, and the piston extrudes the viscoelastic balls, so that the viscoelastic balls generate extrusion deformation and mutual friction, energy is dissipated, and the amplitude of vibration is reduced.

The invention discloses a hybrid self-resetting support provided with a rate-dependent viscoelastic damper, which belongs to the technical field of seismic resistance of structural engineering, and comprises an outer pipe, an inner plate, a viscoelastic damper, a shape memory alloy U-shaped damper and channel steel, the viscoelastic damper is formed by stacking a viscoelastic material layer and a steel plate, is fixed between the inner plate and the outer pipe, and is arranged at the end part of the inner plate; when an earthquake acts, the inner plate moves in the axial direction relative to the outer pipe, the viscoelastic material layer is driven to be subjected to shear deformation, and damping force related to the loading frequency is provided; in addition, a plurality of shape memory alloy U-shaped dampers are arranged between the inner plate and the outer pipe at intervals in the supporting axial direction, and the self-resetting capacity is provided through bending deformation. The U-shaped damper and the viscoelastic damper are stressed in parallel, damping energy consumption and restoring force are generated at the same time, the floor acceleration and the base shearing force can be effectively reduced, and the device has the advantages of being simple in structure and reliable in connection.

The invention discloses an overpass bridge pile foundation anti-sedimentation structure in an expansive soil area, and relates to the technical field of pile foundation anti-sedimentation, the overpass bridge pile foundation anti-sedimentation structure comprises a pile foundation structure and an anti-sedimentation mechanism; the anti-settling mechanism comprises a first reinforcing structure and a second reinforcing structure; the bearing plate of the first reinforcing structure penetrates into bed rock through multiple rows of anchor bolts, the uplift bearing capacity is greatly improved compared with the prior art, uplift force of expansive soil can be borne, horizontal thrust is decomposed into axial pressure and shear force through a triangular structure formed by the supporting pieces, local stress concentration of the pile foundation structure is reduced through elastic buffering of an elastic cushion, and the pile foundation structure is more stable. A second reinforcing structure rigidly connects second connecting sleeves of adjacent pile foundation structures through connecting columns, the load dispersion efficiency is improved, differential settlement of adjacent pile foundations is controlled within a small range, an attaching plate of an inclined reinforcing column is attached to the curved surfaces of the pile foundations, the shear rigidity is improved, and the pile foundation structure is suitable for the soil mass with the high expansion grade; the shear deformation of the expansive soil is effectively resisted.

The present application relates to a kind of tuned mass damper and track structure;The device includes shell and mass, the mass is located in the shell, the mass and the shell are formed with cavity between, the mass and the shell are connected by annular elastic layer, the annular elastic layer separates the first chamber and the second chamber in the cavity, the first chamber and the second chamber are filled with damping fluid in it.The mass of the present application is connected in the shell by annular elastic layer, when working, elastic layer occurs shear deformation, with single natural frequency, reliable tuned vibration absorption is realized, low-frequency vibration influence is reduced, the device is maintenance-free, and operating and maintenance cost is low;Shell can provide good strength, built-in concrete structure will not reduce the strength of concrete structure, and the range of use is wide.

This invention provides a method and apparatus for preform composite molding with in-plane shear deformation. The apparatus includes a deformation component and a limiting component. The deformation component includes clamping fixtures, fasteners, and fixing members. Each clamping fixture consists of four clamping frames, which are connected end-to-end by fasteners to form a quadrilateral. The clamping fixtures are used to clamp and deform the preform to be deformed. The limiting component includes four thickness-limiting washers, a first fixing strip, and a fixing base plate. The first fixing strip is used to fix the deformed preform. Two first fixing strips are located on the upper and lower sides of the deformation component and are parallel to each other. The two ends of each fixing strip are connected to the deformation component by two fasteners at opposite corners in the clamping fixture. The fixing base plate is used to press the surface of the deformed preform. The preform composite molding apparatus in this solution can realize the preparation of preforms reinforced with in-plane shear deformation.

The present application relates to the technical fields of image processing and point cloud processing, and discloses a line laser scanning three-dimensional reconstruction shear deformation correction method, system, computer readable storage medium and computer program product, the method comprises the following steps: according to the ratio of the height measurement value and the height nominal value of the height block, the first direction deflection angle of the line laser scanning camera is calculated;And the included angle between the straight line L and the predetermined horizontal line is measured, and the second direction deflection angle of the line laser scanning camera is obtained;The third direction deflection angle of the line laser scanning camera is obtained by using the constraint relationship that the adjacent edges of the checkerboard grid are perpendicular to each other;The photographed image is sequentially deflected and corrected according to the order of the three direction deflection angles, and then outputted.The present application does not need camera internal and external parameters, greatly reduces the system calibration difficulty, improves the angle solving precision through the joint estimation of the height block and the checkerboard grid, has strong algorithm robustness, can effectively remove the three-dimensional shear deformation caused by splicing, and has high algorithm reconstruction precision.

The application relates to a high-temperature alloy cross-piercing process interlayer defect prediction method and model, and particularly relates to a high-temperature alloy cross-piercing process interlayer defect prediction method and model, which comprises the following steps: establishing a high-temperature alloy cross-piercing finite element model, and performing high-temperature alloy cross-piercing finite element simulation; extracting all data of equivalent strain, temperature, strain rate, maximum shear strain, stress triaxiality, maximum shear stress, equivalent stress and maximum shear strain at the moment of deformation termination in the whole deformation process; calculating integral to determine damage value, average temperature and average strain rate; and performing high-temperature alloy compression-shear deformation experiments under the average temperature and average strain rate determined in the previous step. The application can predict engineering fracture problems in an actual deformation process through simple compression-shear hot simulation deformation experiments and finite element simulation technology, reduces the trial-and-error process in the actual production process, and saves manpower, material resources and financial resources.

The invention relates to the technical field of numerical control, in particular to a real-time data driven cutting bed automatic control method and system and a storage medium. The method comprises the following steps: collecting dynamic stress data of a cutting bed cutter and microscopic deformation data of a fabric in real time through a multi-source sensing network, and constructing a physical coupling state space of the cutter and the fabric; according to the invention, through a collaborative optimization mechanism driven by multi-source sensing data, high-precision collaborative control of cutter dynamics and fabric deformation is realized in the field of cutting bed control, and through hardware synchronous triggering of the piezoelectric ceramic array sensor and the distributed optical fiber sensor, space-time alignment monitoring of cutter stress fluctuation and fabric interlayer shear deformation is realized. According to the design, the problem of time sequence mismatch of a traditional system in cross-scale data fusion is solved, the thermodynamic state of the cutter and fabric strain energy distribution form a computable incidence matrix, and a solvable space foundation of an optimization algorithm is laid.

In order to solve the problems existing in the prior art, the active fault-passing water conveyance tunnel anti-dislocation lining structure and the design method are provided, high-toughness fiber concrete lining sections and common concrete lining sections which are arranged at intervals are arranged in a lining structure area of an active fault zone and used for absorbing shear deformation, and therefore the anti-dislocation lining structure of the active fault-passing water conveyance tunnel is formed. The toughness of the structure is improved; meanwhile, non-shearing seam crossing steel bars are adopted and penetrate through the high-toughness fiber concrete lining section and the common concrete lining section, so that the rigidity and integrity of the structure are guaranteed, and it is guaranteed that the rigidity of the structure meets the design requirement while shear energy is dissipated; the problems of shear failure and violent cross section deformation of the water conveyance tunnel lining passing through the active fault are solved, and the method has wide application prospects.

An internal and external coupling shear resistance locking control system and monitoring method of tunnel surrounding rocks, comprises an internal shear resistance and monitoring system of tunnel surrounding rocks, an external shear resistance and monitoring system of tunnel surrounding rocks, a relative shear displacement monitoring system of the tunnel walls and the roof and floor layers, and an anchor agent installation system; holes are expanded in the anchor cable drilling holes passing through coal-rock interface areas of the coal walls and roof and floor rock layers to form shear misalignment tolerance cavities; monitoring pressure values of measuring bags and liquid discharge in the shear misalignment tolerance cavities to determine shear deformations of the shear misalignment tolerance cavities, monitoring forces on anchor cables, compensating pull rods and shear resistance steel strips, and adjusting the shear resistance of the anchor cable and steel belt through the compensation rod structure.

The embodiment of the application provides a slope limit equilibrium method based on shear deformation coordination, relates to the technical field of slope stability analysis, and introduces the mechanical concept of shear deformation coordination into the limit equilibrium method, and after the target slope is discretized into a plurality of strips, mechanical calculation is carried out on each strip, the shear force at the bottom of the first strip to the shear force at the bottom of the n-th strip, the normal force at the bottom of the first strip to the normal force at the bottom of the n-th strip, the interstrip shear force and the interstrip normal force are sequentially solved, the H n+1 of the last strip node is obtained, and iteration is carried out to obtain the safety factor F n+1 of the target slope when the condition is met s , which is the safety factor F s of the target slope finally obtained. In the calculation of the interstrip shear force, the method introduces the basic assumption of deformation coordination, combines the calculation of the interstrip force with deformation, has clear physical meaning, avoids the randomness of the interstrip force assumption of the traditional limit equilibrium method, and makes the calculation result more scientific and reliable.

This invention belongs to the field of wind tunnel structural design and discloses a wind tunnel modulating plate structure based on combined damping technology. The structure includes a test section, modulating plate assemblies, connecting rods, constrained damping units, particle damping units, sidewalls, and a dynamic seal. The wind tunnel modulating plate structure comprises a transonic second throat or supersonic diffusion section formed by two symmetrically arranged modulating plate assemblies located behind the test section and two symmetrically arranged sidewalls. The modulating plate assembly includes three modulating plates hinged sequentially and constrained damping units fixed to the leeward side of each modulating plate. The middle modulating plate is connected to an external drive mechanism via a connecting rod mounted on the leeward side. When the modulating plate vibrates, the damping particles in the particle damping unit collide and rub against each other, while the damping layer of the constrained damping unit undergoes periodic shear deformation, thereby efficiently dissipating vibration energy. The wind tunnel modulating plate structure exhibits excellent vibration reduction performance, strong environmental adaptability, small added mass, and flexible layout, improving the reliability and safety of wind tunnel operation.

The application belongs to the technical field of concrete wall reinforcing, and particularly relates to a concrete wall reinforcing structure convenient to assemble, which comprises a wall body, a reinforcing steel structure is arranged in the wall body, a plurality of front recesses and a plurality of rear recesses are arranged on the front and rear sides of the wall body respectively, the front recesses and the rear recesses are vertically arranged and symmetrical to each other, channel steels are arranged in the front recesses and the rear recesses, and the channel steels on the front and rear sides are connected through fastening bolts. In the utility model, the original structure is changed in a way of using channel steels to reinforce the recesses on the wall surface, a large amount of on-site operation is not needed, and only channel steels, bolts, structural glue and a small amount of high-performance concrete mortar are needed, so that the construction is convenient and the construction period is short. In addition, the channel steels are used to reinforce the reinforced concrete wall, so that the vertical bearing capacity of the wall body is improved, and the overall shear deformation resistance is improved.

The purpose of the present invention is to provide an adhesive sheet which has excellent bending resistance and which is not susceptible to peeling and floating even when repeated bending operations are performed. The present invention relates to an adhesive sheet having an adhesive layer, the adhesive sheet being subjected to a cohesive force test of a series of steps in which SUS plates are adhered to the upper and lower surfaces of the adhesive sheet, and the SUS plates are adhered to the upper and lower surfaces of the adhesive sheet. A cohesion test is performed until a time point (time point t2) at which a stress of 10 kPa is applied to the SUS plate on the upper surface for 3 minutes in the shear direction and the stress of 10 kPa is unloaded immediately after the time point (time point t1) and the SUS plate is left to stand for 3 minutes, the shear strain at the time point t1 being 250% or more, and the shear deformation recovery rate at the time point t2 being 80% or more.

The application discloses a kind of strain and crack field's concrete deep flexural member shear deformation identification method, it is related to deformation identification technical field, for solving the problem of shear force transmission participation opportunity not timely, by the crack identification of the deep flexural member of the measured concrete, extract crack direction information and select target crack, in crack evaluation period, the number of connected cracks is counted and the trend of crack direction stability is analyzed, and then directional aggregation characteristics are formed, shear span ratio data are introduced to generate shear configuration class, and the compression strut path zone inside the deep flexural member is demarcated according to the shear configuration class, the stirrups are classified and strain monitored, the shear stress growth characteristics are analyzed, and the shear constraint coefficient is calculated, to determine whether the compression strut path stirrups enter the actual shear force transmission state, to effectively identify the shear deformation stage of the deep flexural member and the shear force transmission participation behavior of the stirrups.

The utility model relates to the technical field of welding supports, and discloses a welding support for metal plate processing, which comprises a welding support main body, an assembly mounting plate is fixed at the top of the welding support main body, and a metal hinge is mounted on the outer side of the assembly mounting plate; the device is provided with a reinforcing connecting mechanism, the stability of the connecting part of the metal hinge and the movable mounting pad is enhanced, the purpose of ensuring the stable fixing effect of the movable mounting pad on the welding support body is achieved, and huge thermal stress and shrinkage stress are generated in the welding process and can directly act on the clamping part. The section modulus and inertia moment of the area are obviously increased through outer side reinforcement, so that the area can better resist bending, distortion and shear deformation, and the geometrical shape of the support is stable; the device is provided with the reinforcing installation mechanism, the auxiliary reinforcing effect is achieved, the structural section changes more gently through the reinforcing design, and stress concentration at the abrupt change section position is reduced.

The steel rail corrugation control structure based on energy dissipation comprises a steel rail and particle dampers attached to the two sides of a rail web and the upper surface of a rail bottom, each particle damper comprises a metal shell, a dissipation cavity is formed in each metal shell, a buffer layer is laid in each cavity and attached to the side, adjacent to the steel rail, of the corresponding metal shell, and the particle dampers are connected with the metal shells. And the dissipation cavity is also filled with dissipation steel balls with various particle sizes. When the steel rail vibrates, the dissipation steel balls generate complex non-linear relative motion under the inertia effect, and vibration energy is consumed through collision, rolling and sliding processes between particles and between the particles and the buffer layer. Meanwhile, the synergistic effect of the dissipation steel balls and the buffer layer enables the system to form triple energy dissipation paths of particle collision, interface friction and rubber shear deformation, vibration energy is stably dissipated, the environmental adaptability is improved, damping performance attenuation is avoided, the system is adaptive to various lines, core components do not need to be replaced, and the operation and maintenance cost is reduced. And formation and development of steel rail corrugation can be inhibited continuously.

This invention provides a structural design support device that can evaluate vertical components, such as shear deformation. [Solution] The structural design support device includes: an evaluation point information acquisition unit that acquires evaluation point information representing the position information in a first state and the position information in a second state of evaluation points provided on a structure composed of multiple parts; and an evaluation value calculation unit that uses the evaluation point information acquired by the evaluation point information acquisition unit to calculate an evaluation value representing the magnitude of change in the positional relationship between the first evaluation point and the second evaluation point between the first state and the second state; wherein the evaluation value calculation unit calculates at least a first evaluation value which is the component perpendicular to the straight line connecting the first evaluation point and the second evaluation point of the vector obtained by dividing the relative displacement vector between the first evaluation point and the second evaluation point by the distance between the first evaluation point and the second evaluation point.