33results about How to "Give full play to energy consumption capacity" patented technology

The invention relates to an inner hidden vertical mild steel energy dissipation belt shear wall and its manufacturing method. The shear wall is set bar mat formed by lateral and vertical distribution reinforcing bar. Its features are that the middle of the shear wall is set a vertical joint; the distance between its upper end and shear wall top end is one to two times of the thickness of the shear wall section; its lower end is connected with base; steel plate is set between the side surface of the vertical joint; and the X shape mild steel plate is set between them; X shape lead block is formed between the X shape mild steel plate and vertically connected with connecting plate to form X shape damper; the connecting plate is connected with the steel plate; polyphenylene material is filled around the damper; the outer of the shear wall is used as mortar floated coat. Compared with the current shear wall, the invention has the advantages of better ductility, energy dissipation capability, and more antiknock line of defense.

The invention provides a gear transmission amplified type joint shearing damper. Relatively small rotary angles generated at beam-column joints of a fabricated building structure under the external load effect can be amplified according to needs; through displacement limiting of the amplified rotary angles, the energy-consumption capacity of a viscoelastic material in the damper is sufficiently exerted, and therefore an ideal energy-consumption effect is achieved, that is, when the relative rotary angles are generated at the beam-column joints of the building structure, the rotary angles are amplified through a gear transmission mechanism and then transmitted to a rotary disc, and when the rotary disc rotates, the viscoelastic material is driven to be subjected to shearing hysteretic deformation so that energy can be consumed. According to the gear transmission amplified type joint shearing damper, the rotary angle magnification times can be adjusted according to the practical condition of the building structure or building components, installation is easy, and the amplified joint shearing damper is a flexible and efficient energy-consumption element.

The invention discloses an internally-disposed-profile-steel steel pipe concrete frame low-yield-point steel plate shear wall structure which comprises steel pipe concrete side columns, steel cross beams and an internally-embedded steel plate. Profile steel is generally arranged inside the steel pipe concrete side columns, each vertical lateral side of the internally-embedded steel plate is connected with a fishtail plate, the fishtail plates penetrate the side walls of the steel pipe concrete side columns to be connected with the profile steel in a welded manner, and positions where the fishtail plate are intersected with the side walls of the steel pipe concrete side columns are in welded connection. The profile steel is throughly arranged along the height direction of each steel pipe concrete side column, the profile steel and the steel pipe concrete side columns are jointly stressed, the profile steel plays a role as a shear connector and also plays a role of improving vertical bearing capacity of the steel pipe concrete side columns, so that using efficiency of the profile steel is improved. Sectional size of the side columns can be substantially reduced while requirements of the bearing capacity of the steel pipe concrete side columns are met, dead weight of the structure is reduced, seismic ductility of the structure is improved, building using space is effectively increased, and the structure is especially suitable for high-rise and ultrahigh-rise building structures.

An anti-buckling supporting member with a lattice type double-rectangular-pipe cross section comprises two anti-buckling branches which are connected through a plurality of steel batten plates, wherein each branch adopts an anti-buckling supporting member provided with a linear core and a restraint concrete-filled rectangular steel pipe; long edges of the two branches are parallelly arranged at appropriate intervals, a lattice type member formed by connecting the plurality of steel batten plates which are distributed longitudinally is taken as a whole for common work, the steel batten plates and branch short edges, namely short edges of the restraint rectangular steel pipes, are in welded connection through trihedral angle welding seams; and end parts of the linear cross section cores of the two branches extend out of circumferential restraint members, and are connected through a ribbed plate to form an H-shaped cross section which can be connected with a frame member through a high-strength bolt and a connecting plate. The lattice type cross section can increase inertia moment of the whole cross section of the anti-buckling supporting member and the whole flexural rigidity, thereby particularly suitable for a design of a large-tonnage anti-buckling support member, the support end part is conveniently connected with the frame member, and the lower branch still can sufficiently play energy-dissipating capacity when eccentric bending moment is added.

The invention discloses an in-series disc spring large deformation energy consumption beam column node, which comprises an assembly type column, an assembly type beam and a disc spring combination type damper, wherein the disc spring combination type damper consists of an energy consumption rod, a disc spring set, an internal thread sleeve, an outer sleeve, a sliding guide rod and an extrusion nut, one end of the disc spring combination type damper is fixed on the fixed plate of a surface of the assembly type beam, and the other end passes through the flange plate of the assembly type column and presses tightly the flange plate. By adjusting the pressure of the extrusion nut, tensile deformation generated by the two ends of the disc spring combination type damper can be fully supplied by the energy consumption rod under the action of small and moderate earthquakes, the other part is supplied by the compressive deformation of the disc spring set, so that the disc spring combination typedamper has better deformability, and the fatigue performance of the disc spring combination type damper is conducive to being improved.

The invention relates to a symmetric rotating type energy dissipation connecting piece which can be used for connecting prefabricated assembly type building structural components and can reduce the influence of small relative displacement between the components. The symmetric rotating type energy dissipation connecting piece symmetric rotating type energy dissipation connecting piece comprises moving plates, a rotating plate, a shear type metal energy dissipation material, a viscoelastic energy dissipation material and bolts. According to the symmetric rotating type energy dissipation connecting piece, amplification is performed as required when small displacement occurs between the components while the different components can be connected, and thus the energy dissipation capacity of the materials is brought into full play. That is, when the building components on the left side and the right side are subjected to relative displacement, relative displacement occurs between the moving plates on the two corresponding sides; under the driving of the bolts on the two sides, the rotating plate rotates with its centroid as the rotating center, and the energy dissipation materials are driven to deform, so that energy dissipation is achieved. The symmetric rotating type energy dissipation connecting piece has the advantages of being small in size, symmetric and reasonable in structure and simple to install, running stably and being high in durability; and the symmetric rotating type energy dissipation connecting piece is an efficiently energy-dissipating connecting element.

The invention provides a viscoelastic friction type energy dissipation self-resetting buckling-restrained brace. The viscoelastic friction type energy dissipation self-resetting buckling-restrained brace comprises an upper fixing cylinder, a lower fixing cylinder, fixing guide plates, a piston rod, a fixing end plate, springs, a first viscoelastic energy dissipation assembly, a second viscoelasticenergy dissipation assembly, first friction structures and second friction structures. Both ends of the fixing guide plates are separately inserted and fixed into the upper fixing cylinder and the lower fixing cylinder. The piston rod is arranged between the interior of the upper fixing cylinder and the interior of the lower fixing cylinder. The first viscoelastic energy dissipation assembly andthe second viscoelastic energy dissipation assembly separately sleeve both ends of the piston rod. The springs are arranged between the first viscoelastic energy dissipation assembly and the second viscoelastic energy dissipation assembly. The first end of the piston rod limits the first viscoelastic energy dissipation assembly, and the fixing end plate limits the second viscoelastic energy dissipation assembly. The viscoelastic friction type energy dissipation self-resetting buckling-restrained brace has self-resetting capability, can be automatically adjusted according to the brace force deformation characteristics to prevent damage to the internal components of the brace, and has stable and efficient energy dissipation capability.

The invention provides a fan-shaped supporting rotating amplifying type joint shearing damper and belongs to the technical field of civil engineering. Relatively small displacement produced at a beam-column joint or between structure layers of a building structure under the effect of an outer load is amplified according to the requirement, by limiting the amplified displacement, the energy consumption characteristic of a viscoelastic material in the damper is given to full play, and the more ideal energy consumption effect is achieved. When the building structure drives a side plate to rotate, accordingly fan-shaped supporting plates rotate relatively, under driving of bolts, a rotating plate rotates, and then a viscoelastic gasket is driven to produce shear deformation to consume energy. The amplification times of the rotating angle can be adjusted according to the actual situation of the building structure or a building member, mounting is easy, and the fan-shaped supporting rotating amplifying type joint shearing damper is a flexible and efficient energy consumption element.

The invention discloses a novel composite partition wall board and a production technology of the novel composite partition wall board. The novel composite partition wall board comprises a core board (1) and side boards (2) arranged two sides of the core board (1), wherein the core board (1) is adhered to the side boards (2) by resins, each side board (2) comprises a lining board (3), a rib strip (4) and a fiber reinforced gypsum board (5), the rib strip (4) has a frame-shaped structure and is fixed on the outer side face of the lining board (3), and the fiber reinforced gypsum board (5) is arranged in the frame-shaped structure formed by the rib strip (4). The production technology of the novel composite partition wall board comprises the following steps of: firstly, machining a wood board into the lining board (3) and the rib strip (4), and combining the lining board (3) with the rib strip (4); secondly, producing the side boards (2) by the means that the fiber reinforced gypsum board (5) is cast in the rib strip (4); and finally, obtaining a finished product by the means that the gluing, the pre-pressing and the cold-pressing operations are preformed to the core board (1) and the side boards (2). The invention is applicable to the inner partition wall with a frame structure, has the characteristics of being light in weight, high in deformation capability and suspension capability, and good in vibration resistance and thermo-technical performance, and is convenient and fast to construct, thereby being suitable for popularization and use.

The invention discloses a self-adaptive buckling-preventing support which comprises a sealing cylinder cavity. The top face of the sealing cylinder cavity is open. An upper sealing end cylinder is installed on the top face. A hole matched with a piston rod in radial size is formed in the center of the upper sealing end cylinder. The piston rod penetrates through the center hole of the upper sealing end cylinder and is partially installed in the sealing cylinder cavity. An energy consumption partition plate is installed on the piston rod. The energy consumption partition plate is transversely arranged on the piston rod in a sleeving manner, and moves in the sealing cylinder cavity along with moving of the piston rod. The sealing cylinder cavity is filled with damping liquid. Springs are further installed in the sealing cylinder cavity. The self-adaptive buckling-preventing support has the beneficial effects that the energy consumption partition plate can move along with the piston, an upper oil storing box cylinder, a lower oil storing box limiting cylinder and the energy consumption partition plate arranged internally have shearing and extruding effects on the damping liquid, the first-level spring and the second-level spring deform in an extruding manner to generate restoring force, after external force disappears, the piston rod is driven to carry out self restoring, and selfperformance can be adjusted automatically according to the change of the affected external excitation effect.

The invention discloses a metal shearing type energy dissipation device with the displacement amplifying function. The metal shearing type energy dissipation device comprises a restraining box body, a damping core plate and adjusting plate sets. An opening is formed in the top of the restraining box body. A first connecting plate is arranged at the bottom of the restraining box body. The damping core plate is arranged in the restraining box body, and the first end of the damping core plate is connected with the first connecting plate. The first ends of the adjusting plate sets penetrate the opening and are connected with the second end of the damping core plate through first pivot shafts in a pivoted manner. The second ends of the adjusting plate sets are connected with a second connecting plate located outside the restraining box body through second pivot shafts in a pivoted manner. Supporting point shaft holes close to the second pivot shafts is formed in the adjusting plate sets. Supporting point shafts are inserted into the supporting point shaft holes. The two ends of each supporting point shaft are arranged on the side wall of the restraining box body. According to the metal shearing type energy dissipation device with the displacement amplifying function, when the second connecting plate generates horizontal deformation, the adjusting plate sets are driven to rotate around the corresponding supporting point shafts, reversed deformation is applied to the damping core plate, deformation of the upper end of the damping core plate is larger than horizontal deformation generated on the second connecting plate, the damping core plate is accelerated to enter the plastic state, and the energy-dissipating capacity of the damping core plate is brought into full play, so that the structural shock resistance is improved.

A latticed anti-buckling supporting member provided with double T-shaped cores is formed by connecting two anti-buckling branches through a plurality of steel lattice plates respectively, wherein each anti-buckling branch supporting member adopts a T-shaped core member and a rectangular restrained concrete filled steel tube; long edges of the two branches are arranged in parallel at an appropriate interval, the latticed member is formed by connecting a plurality of longitudinally distributed steel lattice plates, the steel lattice plates are in welded connection with short edges of the branches through trihedral fillet welds, and the edge of the branches are the short edges of the rectangular restrained steel tubes. Ends of the two T-shaped core members extend out of the rectangular restrained steel tubes, and a ribbed plate is welded between outwards extending plates of the two cores, so that an H-shaped section is formed and can be connected with a frame member through a high-strength bolt and a connecting plate. The latticed section can increase the inertia moment of a whole section of the anti-buckling supporting member and the whole anti-bending stiffness and is particularly suitable for the design of a large-tonnage anti-buckling supporting member, a supporting end and the frame member are conveniently connected, and the energy-consuming capacity of the branches can be fully exerted under the action of an additional eccentric bending moment.

The invention discloses a bamboo-shaped round rod energy consumption rod comprising a core part, an outer restraint part and a locating pin. The core part is composed by connecting a plurality of energy dissipation sections, intermediate limiting sections, bamboo sections and two-end connecting sections along the longitudinal coaxial axis. The intermediate limiting sections are located in the middle of the core part. The bamboo sections and the energy dissipation sections are distributed at intervals, arranged on the two sides of the intermediate limiting sections and form a whole together with the intermediate limiting sections, and the two ends of the outer sides of the bamboo sections and the energy dissipation sections are fixedly connected with the two-end connecting sections to form the core part. The cross sections of the intermediate limiting sections, the bamboo sections and the two-end connecting sections are all circular. First holes are formed in the middles of the intermediate limiting sections in the diameter direction. The energy dissipation sections are manufactured by cutting of round rods in the length direction, so that the cross sections of the energy dissipation sections are two parallel opposite sides, the other two short sides are original arc lines, under the effect of the axial tensile pressure, the energy dissipation sections of the core part enter yielding through the formed new cross section areas, while the intermediate limiting sections, the bamboo sections and the two-end connecting sections always remain elastic.

The invention relates to a cylindrical cam type damper response amplification device which comprises a rack, a ball screw, a nut, a reciprocating cylindrical cam mechanism and a damper, wherein the ball screw is movably mounted; the nut is in threaded connection with the ball screw; the reciprocating cylindrical cam mechanism comprises a cylindrical cam fixed with the nut and a driven rod matchedwith the cylindrical cam; one end of the damper is connected to the rack, and the other end of the damper is connected to the driven rod; the ball screw penetrates through the cylindrical cam througha central hole of the cylindrical cam; the nut and the rack are relatively fixed in the axial direction of the ball screw. According to the response amplification device, layer displacement and speedresponses caused by a building structure are amplified, so that the damper can give full play to energy-dissipating capacity in a limited design stroke without failure of the displacement; and the response amplification device belongs to the technical field of earthquake engineering.

The invention discloses a damage-controllable energy dissipator. The energy dissipator comprises an extrusion rotating part, deformable connecting plates, a friction energy dissipation sheet and a base plate, a sliding groove is formed in the upper part of the extrusion rotating part, a sliding part is connected in the sliding groove, a first friction lug plate and first yield lug plates are connected to the lower part of the extrusion rotating part, a second friction lug plate and second yield lug plates are connected to the base plate, the first friction lug plate and the second friction lugplate are hinged through a first pin shaft, the end, which penetrates out of the first friction lug plate and the second friction lug plate, of the first pin shaft is provided with an elastic elementin a penetrating mode and then is locked by a locking nut, the friction energy dissipation sheet is clamped between the first friction lug plate and the second friction lug plate, one ends of the deformable connecting rods are hinged to the first yield lug plates through second pin shafts, and the other ends of the deformable connecting rods are also hinged to the second yield lug plates throughsecond pin shafts. The energy dissipator has the advantages that the energy dissipation and seismic mitigation effects can be fully exerted, in addition, the damage development degree of the energy dissipator can be effectively controlled, and the energy dissipation and seismic mitigation effects are guaranteed.

The invention relates to a weakening type connecting cover plate buckling restraining system which comprises a first H-shaped non-yield steel beam and a second H-shaped non-yield steel beam, adjacent end faces of the first H-shaped non-yield steel beam and the second H-shaped non-yield steel beam are spliced, lower base plates are placed at the splicing positions of upper flanges and lower flanges of the first H-shaped non-yield steel beam and the second H-shaped non-yield steel beam respectively, and the lower base plates are symmetrical relative to a web plate. A left beam base plate and a right beam base plate are arranged on the front side and the rear side, close to the lower base plate, of the lower base plate respectively, a dog-bone type flange connecting cover plate is placed on the outer side of the lower base plate, symmetrical arc-shaped notches are formed in the two sides of the middle of the dog-bone type flange connecting cover plate in the width direction, and arc-shaped base plates are placed at the arc-shaped notches. An upper base plate is arranged on the outer side of the dog-bone type flange connecting cover plate, the upper base plate, the arc-shaped base plate and the lower base plate are fixed together, and the two ends of the dog-bone type flange connecting cover plate are fixed to the H-shaped non-yield steel beam through a beam left base plate and a beam right base plate respectively. The post-earthquake replaceable performance of part of components in the structure is effectively achieved.

The invention relates to a symmetric rotating type energy dissipation connecting piece which can be used for connecting prefabricated assembly type building structural components and can reduce the influence of small relative displacement between the components. The symmetric rotating type energy dissipation connecting piece symmetric rotating type energy dissipation connecting piece comprises moving plates, a rotating plate, a shear type metal energy dissipation material, a viscoelastic energy dissipation material and bolts. According to the symmetric rotating type energy dissipation connecting piece, amplification is performed as required when small displacement occurs between the components while the different components can be connected, and thus the energy dissipation capacity of the materials is brought into full play. That is, when the building components on the left side and the right side are subjected to relative displacement, relative displacement occurs between the moving plates on the two corresponding sides; under the driving of the bolts on the two sides, the rotating plate rotates with its centroid as the rotating center, and the energy dissipation materials are driven to deform, so that energy dissipation is achieved. The symmetric rotating type energy dissipation connecting piece has the advantages of being small in size, symmetric and reasonable in structure and simple to install, running stably and being high in durability; and the symmetric rotating type energy dissipation connecting piece is an efficiently energy-dissipating connecting element.

The invention provides an assembly type lateral constraint limited slip steel plate shear wall and a manufacturing method thereof, and belongs to the technical field of steel plate shear walls. The steel plate shear wall comprises a steel plate shear wall body, drum joints, constraint components, limiters, connecting bolts and positioners. According to the assembly type lateral constraint limited slip steel plate shear wall and the manufacturing method thereof, the effect of consuming earthquakes can be achieved through lateral displacement of a steel plate and buckling of grids of the steel plate under the earthquake action, and damage to important parts of the structure is avoided; the number of types of parts is small, field welding is not needed, the constraint grids are reasonable and simple in design, full-bolt connection is simple and rapid, the mechanical preparation mode is improved, the weight of a single component is small, and machining and transportation are facilitated; out-of-plane multi-section buckling energy consumption can be achieved, the performance is reliable, and the rigidity is good; the problem that a traditional steel plate shear wall is integrally invalid after a certain position is damaged is avoided, and the structural safety degree is improved; and the limiters achieve in-plane partition limited slip, buckling in all sections is uniform as much as possible, and the bearing capacity is guaranteed.

The invention discloses a double-hinge recoverable function steel frame beam-column joint, and relates to the technical field of steel frame structures. The double-hinge recoverable function steel frame beam-column joint comprises a double-hinge connecting piece, the double-hinge connecting piece comprises a first side plate and a second side plate, and the first side plate and the second side plate can rotate in the opposite directions; the first side plate can be fixedly connected with a cantilever short steel beam; and the second side plate can be fixedly connected with a long steel beam. According to the double-hinge recoverable function steel frame beam-column joint, the deformation and stress mechanism of an original single-hinged joint is improved, on the one hand, the tensile deformation of an energy consumption plate is increased, and on the other hand, the load burden of a double-hinged connection structure is relieved.

The invention discloses a full-bolt buckling-restrained brace and a preparation method thereof, and belongs to the technical field of building structure engineering. Two groups of end part stiffening ribs and at least two groups of limiting rib plates are arranged on a core plate, the two groups of end part stiffening ribs are arranged at the two ends of the core plate respectively, the limiting rib plates are arranged between the two groups of end part stiffening ribs in the axial direction of the core plate, an end part restraining unit is arranged between the end part stiffening ribs and the adjacent limiting rib plates, a middle restraining unit is arranged between every two adjacent limiting rib plates, the upper ends of the end part restraining units and the upper ends of the middle restraining units are connected with the corresponding restraining unit cover plates, and the lower ends of the end part restraining units and the lower ends of the middle restraining units are connected with the corresponding restraining unit cover plates. The full-bolt buckling-restrained brace is convenient to process and transport, and therefore the engineering quantity and resource consumption are reduced; the core plate enters plasticity after multi-section buckling, and the energy dissipation capacity of the core plate is fully exerted; the construction is simple and fast, and the safety of the structure is ensured while the working efficiency is improved; and the problem that a traditional concrete support needs regular maintenance is avoided, and green and energy-saving effects are achieved.

The invention discloses a building node with multiple energy consumption and self-resetting characteristics and its assembly method. The invention includes two sections of steel beams located on the same axis, and the steel beams pass through special-shaped laminated damping plates on the inner and outer sides of the flanges. It is integrated with the three parts of the shear connecting plate on both sides of the web as a whole. The inner and outer special-shaped laminated damping plates are composed of SMA plates and weakened low-yield point steel plates, and the coordinated force-bearing blocks fixed on the SMA plates pass through the weakened low-yield point steel plates to strengthen the connection between the two. The weakened low-yield point steel plate and the SMA plate yield successively to achieve the goal of energy consumption sequence, and the SMA plate provides self-resetting ability. The structure of the invention has the characteristics of simple structure, stable energy consumption, and excellent self-resetting effect. When the steel beam is bent, the traditional flange tension and compression mode is converted into the bending form of the special-shaped laminated damping plate, which avoids the traditional flange Instability and loss of bearing capacity caused by pressure.

The invention discloses a high-damping rubber-hourglass profile steel support combined energy dissipation structure which comprises a connecting base, a supporting mechanism and an energy dissipation mechanism. The connecting seat comprises a left connecting seat and a right connecting seat; the supporting mechanism and the energy consumption mechanism are mounted between the left connecting seat and the right connecting seat; the two sides of the supporting mechanism are fixedly connected with the pier column and the straining beam through a left connecting base and a right connecting base respectively. Under the action of an earthquake, mutual dislocation of the straining beams and the piers drives mutual dislocation of the connecting seats, and the energy dissipation mechanisms can absorb transverse load energy dissipation and longitudinal load energy dissipation; the earthquake response of the whole bridge is reduced, the straining beam is protected against damage, damage is concentrated on the energy dissipation structure, the energy dissipation structure can be replaced after being damaged, the sustainable working performance of the straining beam and the pier is guaranteed, the defects that in a traditional pier-straining beam system, the straining beam is prone to shear damage, and the energy dissipation capacity of the pier is insufficient are overcome, and the energy dissipation performance of the bridge is improved. And moreover, quick replacement of the energy-consuming component can be realized, and daily maintenance and post-earthquake rescue work are facilitated.

The invention discloses a beam-column joint of a double-hinge recoverable functional steel frame, which relates to the technical field of steel frame structures. The steel frame beam-column joint includes: a double hinged connection piece, the double hinged connection piece includes a first side plate and a second side plate, and the first side plate and the second side plate can rotate in opposite directions; Wherein, the first side plate can be fixedly connected with the cantilever short steel beam; the second side plate can be fixedly connected with the long steel beam; the connection between the first side plate and the cantilever short steel beam, and the Energy dissipation plates are arranged at the joints between the two side plates and the long steel beams. The invention discloses a double hinged recoverable functional steel frame beam-column joint, which improves the deformation and stress mechanism of the original single hinged joint, increases the tensile deformation of the energy dissipation plate on the one hand, and reduces the load burden of the double hinged connection structure on the other hand.