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33results about How to "Energy-consuming" patented technology

Self-reset girder-grid friction wall structural system

The invention discloses a self-reset girder-grid friction wall structural system and belongs to the technical field of structural engineering earthquake proofing. A grid metal structure (7) is fixed in a frame unit formed by a reset girder (1) and a swing pillar (2); two building body walls (3) are arranged at the outside of the grid metal structure (7); the self-reset girder (1) and the swing pillar (2) are fixedly connected by angel steel (16); a prestressed steel bar (17) is precast in the self-reset girder (1) by a post-tensioning method; two ends of the prestressed steel bar (7) are anchored at the outside of the swing pillar (2) by anchorages (5); the swing pillar (2) is placed on a foundation base (4); rubber gaskets with a certain thickness are paved at the contacting positions between pillar legs and the foundation base (4). Under the action of an earthquake, the swing pillar (2) and the self-reset girder (1) rotate, the grid metal structure (7) is driven to be deformed, and the swing pillar (2), the self-reset girder (1) and the grid metal structure (7) cooperatively work and consume energy in steps, so the aims of reducing horizontal displacement of the structure and enhancing the energy dissipation capacity of the structure are achieved.
Owner:DALIAN UNIV OF TECH

Fabricated steel structure containing replaceable beam end rotating energy dissipation hinge and small inclined-span lariat

InactiveCN106948484AAvoid damageRealize shock absorption and energy consumptionProtective buildings/sheltersShock proofingLateral stiffnessEngineering
The invention discloses a fabricated steel structure containing a replaceable beam end rotating energy dissipation hinge and a small inclined-span lariat. The fabricated steel structure comprises fabricated steel beams, fabricated steel columns, dampers, joint plates, bolt pins, lug plates, lower connecting rods, upper connecting rods, ladder type haunched beams, bolts, end plates, front and rear cover plates, rotating plates, annular grooves, shearing blocks, shearing keys, rotating shafts, flange notches and web rib strips. A plastic-hinge region is locally weakened through the beam end rotating energy dissipation hinge of the fabricated steel structure; not only is the design concept of strong columns and weak beams reflected, but also the energy of the structure is dissipated through shearing deformation; while providing resist lateral stiffness for the structure, a small inclined-span lariat energy dissipation device conducts full energy dissipation of the dampers by enlarging horizontal displacement; and the fabricated steel structure is definite in energy dissipation mechanism and has strong energy dissipation capacity under the moving action of an earthquake, main damage and destroy of the steel structure can be alleviated, and the structure is easy to replace after the earthquake or the damage.
Owner:BEIJING UNIV OF TECH

Bamboo (wood) frame structure beam column assembly type energy consumption joint

The invention discloses a bamboo (wood) frame structure beam column assembly type energy consumption joint. The assembly type energy consumption joint is installed in the connection position of a column and a beam and comprises a cross-shaped steel column, a horizontal reinforcing steel plate, column connecting steel plates, beam flange steel plates and a beam connecting steel plate. The horizontal reinforcing steel plate used for preventing compressive buckling of column limbs is welded to the middle of the cross-shaped steel column. One column limb of the cross-shaped steel column is wide and serves as a beam web. The column connecting steel plates are welded to the upper end and the lower end of the cross-shaped steel column correspondingly. The beam connecting steel plate is welded to the end of the wide column limb which serves as the beam web. The beam flange steel plates are welded to the upper portion and the lower portion of the wide column limb correspondingly. One end of each beam flange steel plate is welded to the corresponding column connecting steel plate, and the other end of each beam flange steel plate is welded to the beam connecting steel plate. The bamboo (wood) frame structure beam column assembly type energy consumption joint is reliable in connection and convenient to construct, has a certain energy consumption capability and has high bearing capacity.
Owner:CHANGZHOU INST OF TECH

Modification method and application of activated carbon

The invention discloses a modification method and application of activated carbon. The modification method of the activated carbon comprises the following steps of S1, subjecting the activated carbon to drying treatment; S2, introducing a gas into an atmospheric-pressure low-temperature plasma device according to a gas flow rate of 1cc / min to 200cc / min, sending the activated carbon subjected to the drying treatment into the plasma device, making the activated carbon located at an ejection outlet of the low-temperature plasma device, controlling the movement speed of the ejection outlet of the plasma device to be 0mm / s to 30mm / s, and carrying out treatment for 0.5min to 30min, so as to subsequently obtain modified activated carbon. According to the modification method, the modification of the activated carbon through spark discharge is realized through a physical way; the specific surface area of the activated carbon is obviously increased; further, surface functional groups are also more abundant. The modification process is simple and convenient; the efficiency is high; further, no pollutants are generated.
Owner:SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV +1

Anti-overturning, shock insulation, shock absorption and energy consumption system for high-rise structure

InactiveCN103541451ALimit the maximum horizontal displacementIncrease horizontal stiffnessShock proofingRelative displacementLoad resistance
The invention discloses a design measure which can carry out shock insulation, shock absorption and energy consumption on a high-rise or tall building structure. Horizontal shock insulation layers are arranged. Besides, vertical lateral load resistance components (or structures) are fixed to the bottom of the high-rise building structure, vertical horizontal shock insulation or shock absorption layers are arranged and have the capacity of horizontal relative displacement, and dampers, springs and locking devices can be arranged. According to the several adopted main measures, reinforcing layers or reinforcing arms are arranged on part of the vertical lateral load resistance components or the structures; the vertical lateral load resistance components or the structures are partially and fixedly connected or hinged with a shock insulation main body; the vertical sections of the horizontal shock insulation layers are in a shape of a broke line or a circular arc or a curve, and the shock insulation structure has the swing type shock insulation effect; a vertical bearing structural body does not need to be provided with a horizontal shock insulation layer, thin layers or structural layers with large deformability can be arranged according to demands, and a shock absorption and energy consumption system can be formed.
Owner:赵世峰

High speed shearing grinder for modified bitumen

InactiveCN101219407ASignificant effects and benefitsEnergy savingGrain treatmentsButadiene-styrene rubberStyrene-butadiene
The invention relates to a high speed shearing mill of modified pitch, comprising a high speed motor, a moving cutting ring, a static cutting ring and a pump shell; the moving cutting ring is connected with a connecting shaft of the high speed motor, the static cutting ring is arranged on the pump shell, and the pump shell has a feed port and an outlet port. The shearing mill is characterized in that: centrifugal self-absorption blades are also connected with the connecting shaft of the high speed motor, the peripheral of the centrifugal self-absorption blades is a static knife hole of the static cutting ring and the moving knife hole of the moving cutting ring in sequence. The self-absorption blades press the materials to the static knife hole, and the self-absorption blades and the moving cutting ring can also complete two shearing processes together with the static cutting ring. The invention can finely cut SBS (styrene-butadiene-styrene) according to the process and time that SBS is dissolved under high temperature pitch, which not only accelerates the dissolution process but also avoids large quantity of cutting heat and extreme stretching, thus reaching the target of energy conservation, yield increase, quality stability and investment saving.
Owner:方德铭

Earthquake-isolation energy dissipator for ultra-high-voltage converter transformer

The invention discloses an earthquake-isolation energy dissipator for an ultra-high-voltage converter transformer. The earthquake-isolation energy dissipator comprises a plurality of earthquake-isolation supports, steel plates and thin rubbers which are arranged horizontally are arranged on the earthquake-isolation supports from top to bottom at intervals, and central holes are arranged at centers of the earthquake-isolation supports and provided with lead cores inside. The earthquake-isolation energy dissipator is characterized by further being provided with a squared foundation valve plate composed by steel beams, an upper connecting plate and a lower connecting plate, wherein the plurality of earthquake-isolation supports are installed at steel beam nodes of the foundation valve plate, the upper connecting plate and the lower connecting plate are parallel, and the upper and lower surfaces of the earthquake-isolation supports are connected with the centers of the upper connecting plate and the lower connecting plate respectively. According to the earthquake-isolation energy dissipator, the stability is guaranteed, simultaneously, the horizontal stiffness is small, the earthquake-isolation damping effect can be improved, soft limiting and anti-falling functions are provided, the safety of the earthquake-isolation energy dissipator under the action of earthquakes can be guaranteed, when the earthquake-isolation fails, a certain damping effect is also provided, and the safety function is provided in case of failure. The earthquake-isolation energy dissipator is low in construction cost, simple in construction and provided with good social benefits.
Owner:CENT SOUTHERN CHINA ELECTRIC POWER DESIGN INST CHINA POWER ENG CONSULTING GROUP CORP

Prefabricated composite energy-dissipated steel beam and column structure with multi-stage damping and secondary amplification of displacement

The invention discloses a prefabricated composite energy-dissipated steel beam and column structure with multi-stage damping and secondary amplification of displacement. The prefabricated composite energy-dissipated steel beam and column structure comprises a prefabricated steel beam, a prefabricated steel column, energy dissipation walls, notches, door and window holes, an upper connecting plate,a lower connecting plate, a vertical type moving displacement support, a displacement amplification rod, a L-shaped fixed support, a U-shaped sliding rod, lug plates, a gear rotating shaft, bolt pins, bolts, front and rear cover plates, fan-shaped notches, column type bearing blocks, limiting rotating plates, an annular groove, shear-resistant keys, shearing blocks, an outer circular ring, low yield point steel and an inner limiting ring. The prefabricated composite energy-dissipated steel beam and column structure is clear in energy dissipation mechanism, realizes multistage control energy dissipation and gives full play to the functions of each energy dissipation part at different stages through shear deformation of the shearing blocks and the yield energy dissipation of the low yield point steel. Furthermore, the horizontal displacement between layers of a structure is subjected to secondary amplification, the efficiency of energy dissipation is improved, the damage and failure ofa main body of a steel structure can be effectively reduced, and replacement is convenient after the earthquake or after the damage.
Owner:BEIJING UNIV OF TECH

Assembled steel structure with replaceable beam end rotating energy-dissipating hinge and small oblique span lasso

The invention discloses a fabricated steel structure containing a replaceable beam end rotating energy dissipation hinge and a small inclined-span lariat. The fabricated steel structure comprises fabricated steel beams, fabricated steel columns, dampers, joint plates, bolt pins, lug plates, lower connecting rods, upper connecting rods, ladder type haunched beams, bolts, end plates, front and rear cover plates, rotating plates, annular grooves, shearing blocks, shearing keys, rotating shafts, flange notches and web rib strips. A plastic-hinge region is locally weakened through the beam end rotating energy dissipation hinge of the fabricated steel structure; not only is the design concept of strong columns and weak beams reflected, but also the energy of the structure is dissipated through shearing deformation; while providing resist lateral stiffness for the structure, a small inclined-span lariat energy dissipation device conducts full energy dissipation of the dampers by enlarging horizontal displacement; and the fabricated steel structure is definite in energy dissipation mechanism and has strong energy dissipation capacity under the moving action of an earthquake, main damage and destroy of the steel structure can be alleviated, and the structure is easy to replace after the earthquake or the damage.
Owner:BEIJING UNIV OF TECH

Friction energy consumption beam-column joint for prefabricated structure

The invention discloses a friction energy consumption beam-column joint for a prefabricated structure. The friction energy consumption beam-column joint for the prefabricated structure comprises an additional friction energy consumption device which is located in an area where the beam-column joint is hinged. The additional friction energy consumption device comprises a slotting driving rod I, a slotting driving rod II, a driving rod I, a driving rod II and a pre-buried steel plate I, wherein the pre-buried steel plate I is located at the position where beam-column joint is hinged; and the two sides of the pre-buried steel plate I is hinged to one ends of the slotting driving rod I and the slotting driving rod II correspondingly, the other ends of the slotting driving rod I and the slotting driving rod II is hinged to one end of the driving rod I, the other end of the driving rod I is hinged to a column through two pre-buried steel plates II, and one end of the driving rod II is hinged to a beam through two pre-buried steel plates III. The friction energy consumption beam-column joint has energy consumption ability under the effect of big earthquakes, the additional friction energy consumption device consumes energy through slidable friction and rotary friction, the energy of the earthquakes is dissipated, and structure damage is reduced; when the friction energy consumption beam-column joint is used normally, the additional friction energy consumption device provides rigidity for the joint, internal force delivery is achieved, and the hinged joint can show similar performance with a rigid joint.
Owner:DALIAN UNIV OF TECH

Ultralow-energy-consumption steel structured modular house and construction method thereof

The invention discloses an ultralow-energy-consumption steel structured modular house. The house comprises a ground ring beam and modules; at least two modules are provided and mounted on the ground ring beam; the modules comprise a bottom module unit and a top module unit; the bottom module unit comprises a hexahedron structure encircled by a first stand column, a first bottom beam, a first top beam, a first base plate structure and four first side plate structures and short of a top surface; a connecting piece is arranged at the top of the first stand column; the top module unit comprises abox type structure encircled by a second stand column, a second bottom beam, an inclined top beam, a second base plate structure, an inclined top plate structure and at least three second side plate structures; a connecting piece is arranged at the bottom of the top module unit opposite to the connecting piece on the bottom module unit; and a connecting piece is correspondingly arranged between the top module unit and the bottom module unit for connection. The ultralow-energy-consumption steel structured modular house solves the technical problems of difficult connection between traditional steel structured integrated modules, weak thermal insulation performance and difficult heat bridge and air tightness treatment.
Owner:中建集成科技有限公司

Fabricated beam-column lead extrusion type energy dissipation joint

The invention discloses a fabricated beam-column lead extrusion type energy dissipation joint which comprises a precast concrete column and a precast concrete beam. A steel plate is prearranged on theouter side of the precast concrete column, lead blocks are arranged on the steel plate, and the precast concrete column is fixedly connected with the precast concrete beam through the steel plate. The fabricated beam-column lead extrusion type energy dissipation joint improves the reliability of dry connection of the fabricated beam and column, so that the joint has a certain energy dissipation capability, and the damage of a joint region is greatly reduced.
Owner:江苏中谊抗震工程股份有限公司

Ceramic material used for building external wall

The invention discloses a ceramic material used for a building external wall. The ceramic material used for the building external wall comprises the raw materials of, by weight, 10-14 parts of polyurethane, 50-60 parts of ceramic particles, 15-19 parts of kaolin, 8-11 parts of potassium chloride powder, 10-20 parts of graphite, 11-15 parts of latex, 20-30 parts of waste shredded paper, 10-25 parts of waste straws, and 2-6 parts of kieselguhr. The fireproofing grade of the ceramic material reaches the A1 level, and the ceramic material is a high-tech novel building thermal insulation material which is low in heat conductivity coefficient, waterproof, free of toxicity, corrosion resistant, mothproof, capable of preventing ageing, free of radioactivity, insulative, staticproof, high in mechanical strength, stable in performance and capable of insulating heat and sound. In addition, energy consumption in the production process is very low, the recovery rate of waste in the producing process can reach 100%, and the ceramic material belongs to the green environmental protection industry.
Owner:ZHENGZHOU BEIDOU COMM TECH

Modular steel structure connecting joint adopting grouting technology and construction method thereof

The invention provides a modular steel structure connecting joint adopting a grouting technology and a construction method thereof. A plurality of through holes for allowing cross-shaped inserting pieces to penetrate through are formed in a positioning ring; an upper steel pipe module column and a lower steel pipe module column are arranged on the parts, located above and below the positioning ring, of the cross-shaped inserting pieces in a sleeving mode correspondingly; the lower end of the upper steel pipe module column and the upper end of the lower steel pipe module column are sealed with the positioning ring; a sealing bottom plate is arranged at the position, below the cross-shaped inserting pieces, in the lower steel pipe module column; the lower steel pipe module column and the upper steel pipe module column are filled with grouting materials; a grouting hole is formed in the lower steel pipe module column; the grouting hole is formed above the sealing bottom plate; a slurry outlet hole is formed in the upper steel pipe module column; the slurry outlet hole is located above the upper ends of the cross-shaped inserting pieces; and the lower steel pipe module column and the upper steel pipe module column are connected with H-shaped steel module beams. According to the modular steel structure connecting joint adopting the grouting technology and the construction method thereof, the mechanical property is good, the structure is simple, the construction is convenient, the prefabrication rate is high, and reliable connection between steel structure modules can be guaranteed.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Self-resetting disc spring and mass rotating wheel composite magnetorheological fluid damper

The invention relates to a self-resetting disc spring and mass rotating wheel composite magnetorheological damper which mainly consists of an energy dissipation module and a self-resetting module in parallel combination, wherein an outer cylinder body is fixedly provided with two high-strength screw rods; two mass rotating wheels are arranged in a sealed cavity; the two mass rotating wheels are freely arranged on the high-strength screw rods in a sleeving manner through threads matched with the high-strength screw rods; the two mass rotating wheels can move along the axes of the high-strength screw rods while rotating around the high-strength screw rods; the part, in the sealed cavity, of a connecting rod is sleeved with a permanent magnet ring, magnetic conduction rings and magnetic isolation rings; the sealed cavity is filled with magnetorheological fluid; the parts, on the outside of the sealed cavity, of the connecting rod are separately and freely sleeved with a left disc spring and a right disc spring; and the two ends of the left disc spring and the two ends of the right disc spring are freely sleeved with permanent magnet rings and disc spring end plates. The self-resetting disc spring and mass rotating wheel composite magnetorheological damper provides certain rigidity and strength and stable energy dissipation capacity for a structure, and has an excellent self-resetting function.
Owner:BEIJING UNIV OF TECH

A fast-assembled energy-dissipative infill wall panel

ActiveCN109838031BLimit out-of-plane motionLittle impact on construction levelProtective buildings/sheltersShock proofingThermal insulationTongue and groove
The invention discloses a fast-assembled energy-consuming filling wallboard, which belongs to the technical field of building construction equipment. It includes the first wallboard group at the end and the second wallboard group at the middle, the first wallboard group and the second wallboard group and the second wallboard group are connected together by tenon and tenon ; and the length of the mortise is greater than the depth of the mortise, so that the filled wall after splicing has vertical energy-dissipating joints of 15 mm to 25 mm, which can dissipate seismic energy. The thickness direction of the first wall panel group and the second wall panel group are respectively spliced ​​by two first wall panels and two second wall panels. When installing, rotate one wall panel vertically by 180 degrees to splice with the other. The cavity formed in the middle of the spliced ​​filling wall can be filled with thermal insulation material. The energy-consuming filling wallboard of the invention is easy to install, can greatly improve construction efficiency, can reduce environmental pollution and noise pollution in the construction process, and improve construction reliability.
Owner:QINGDAO HUANGHAI UNIV

High speed shearing grinder for modified bitumen

Modified asphalt high-speed shear mill, which includes a high-speed motor, a dynamic cutting ring, a static cutting ring and a pump casing, the dynamic cutting ring is connected to the high-speed motor connecting shaft, the static cutting ring is installed on the pump casing, and the pump casing There is a feed inlet and a discharge outlet, and the feature is that the centrifugal self-priming blade is also connected to the connecting shaft of the high-speed motor, and the periphery of the centrifugal self-priming blade is the static knife hole of the static cutting ring and the moving knife of the dynamic cutting ring in turn. hole. When the high-speed motor rotates, the self-suction vane presses the material to the static knife hole, and at the same time, the self-suction vane and the dynamic cutting ring complete two shearing processes with the static cutting ring. According to the process and time of dissolving SBS in high-temperature asphalt, the invention cuts and refines SBS to speed up the dissolution process and avoid a large amount of cutting heat and extreme stretching, thereby saving energy, increasing production, stabilizing quality, and saving energy. invest.
Owner:方德铭

Self-supply glass bead-graphite base sliding vibration isolation system and its method

The invention discloses a self-supply glass bead-graphite base sliding isolation system and a method, characterized in that a limit hole rebar is located in the center of each of limited holes, one end is fixed in a base underbeam in a anchoring manner, the other end passes through the corresponding limit hole and perforates a base upperbeam, and sand is filled in the part, located on base underbeam, of the limit holes; a trumpet-shaped groove for placing a lead pipe is revered between the two limit holes, when concrete of the base underbeam reaches a certain intensity, the lead pipe is installed in the trumpet-shaped groove, and a mixture of glass beads and graphite is filled in the lead pipe; when the concrete of the base underbeam reaches a certain intensity, glass bead-graphite rolling isolation layer is paved on the surface of the base underbeam; on the base upperbeam, a supplying hole is reserved between the two lead pipe-glass bead-graphite energy dissipation shock absorbers; when the base upperbeam reaches a certain intensity, walls are constructed on the upper part of the base upperbeam, so that the self-supply glass bead-graphite base sliding isolation system is formed.
Owner:BEIJING UNIV OF TECH

Damping device and wire low-frequency vibration suppression device comprising same

PendingCN111030021AWith detuningHas a weight effectDevices for damping mechanical oscillationsViscous dampingEngineering
The invention provides a damping device and a wire low-frequency vibration suppression device comprising the same. The damping device comprises a hollow protective shell (6), a mass block (5) locatedin the protective shell, an elastic piece and a damping medium. The damping medium wraps the mass block (5), and the mass block (5) is fixed to the inner wall of the protective shell (1) through the elastic piece. The height of the mass block (5) is smaller than that of the hollow part of the protective shell (6). The wire low-frequency vibration suppression device provided by the invention can absorb and consume energy generated in a low-frequency vibration process of a wire in a low-frequency interval of 0.1-3 Hz, and has energy consumption and suppression effects on wire vibration of different frequencies; through the viscous damping liquid (10), large viscous resistance can be generated in the up-down vibration process of the mass block, mechanical energy of the mass block (5) is converted into liquid internal energy, the viscous damping characteristic of the wire is fully improved, wind-induced vibration of the wire is prevented, and the wire is protected against damage.
Owner:CHINA ELECTRIC POWER RES INST +1

Large deformation rubber supporting seat for reducing shear stiffness of pull rope limiting composite cross section

ActiveCN109629404AReduced seismic responseIncrease the allowable deformation value of the structureBridge structural detailsShear stiffnessLarge deformation
The invention discloses a large deformation rubber supporting seat for reducing the shear stiffness of a pull rope limiting composite cross section. The rubber supporting seat is arranged between an upper top plate and a lower top plate, and an annular pull rope penetrates a first through hole and a second through hole; multiple layers of sliding rubber supporting seats are arranged at a hollowedout part of a plate-type rubber supporting seat and used for forming a composite section and increasing a sliding face. According to the rubber supporting seat, multiple layers of the sliding rubber supporting seats are arranged on the hollowed plate type rubber supporting seat to form a composite cross section, displacement mutation of the composite cross section supporting seat takes place on aninternal sliding face so that horizontal stiffness can be reduced to adapt to larger deformation; a pull rope penetrates through the upper and lower top plates, and therefore the whole supporting seat is provided with energy-consuming and limiting capabilities.
Owner:TONGJI UNIV

A Large Deformation Rubber Bearing with Limiting Combination Section of Cable and Reduced Shear Stiffness

ActiveCN109629404BReduced seismic responseIncrease the allowable deformation value of the structureBridge structural detailsClassical mechanicsShear stiffness
The invention discloses a large-deformation rubber support whose shear stiffness is reduced by the limit combination section of the cable. In the through hole; the multi-layer sliding rubber bearing is arranged in the hollow of the plate rubber bearing to form a combined section and increase the sliding surface. The present invention forms a combined section by placing a multi-layer sliding rubber bearing on the hollow plate rubber bearing, and the displacement mutation of the combined section bearing occurs on the internal sliding surface so that the horizontal stiffness can be reduced to adapt to larger deformation; in the upper and lower top plates Penetrating through the cable makes the entire support have energy dissipation and position limiting capabilities.
Owner:TONGJI UNIV

A unilateral U-shaped energy-dissipating connection component and a prefabricated interior wall

The invention discloses an assembled prefabricated interior wall and an energy-consuming connection assembly, which includes a first connecting piece and a second connecting piece, the first connecting piece connects the wall and the steel beam, and the second connecting piece connects the wall and the floor; the second connecting piece connects the wall and the floor; A connector includes a U-shaped portion, a first end of the U-shaped portion is provided with a first bending portion, a second end of the U-shaped portion is provided with a second bending portion, and the first bending portion and the second bending portion The bending is reversed, and the connector passes through the first bending part and is connected to the second bending part; the first end side of the U-shaped part can be attached to the steel beam, and the second end side of the U-shaped part can be used for connecting walls. The invention can effectively fix the prefabricated inner wall in the house to ensure its in-plane and out-of-plane stability. In an earthquake, through the deformation of the connecting piece, the energy consumption causes the relative displacement of the inner wall and the frame structure to ensure the stability of the inner wall and the frame. integrity.
Owner:SHANDONG UNIV +1

Friction-energy-dissipating beam-column joints in prefabricated structures

The invention discloses a prefabricated structure friction-energy-consuming beam-column joint, comprising additional friction-energy-dissipating devices located in the region of hinged beam-column joints. The additional friction-energy-dissipating devices include slotted transmission rod I, slotted transmission rod II, Rod I, transmission rod II, and the embedded steel plate I at the hinged beam-column node, the two sides of the embedded steel plate I are hinged with one end of the slotted transmission rod I and the The other end of the groove transmission rod II is hinged with one end of the transmission rod I, the other end of the transmission rod I is hinged with the column through two embedded steel plates II, and one end of the transmission rod II is hinged with the beam through two embedded steel plates III. The invention has energy dissipation capacity under the action of large earthquake, and the additional friction energy dissipation device dissipates energy through sliding friction and rotational friction to dissipate seismic energy and reduce structural damage; during normal use, the additional friction energy dissipation device provides stiffness for the joints, Internal force transfer is achieved so that the articulated joints exhibit similar performance to rigid joints.
Owner:DALIAN UNIV OF TECH

Stepped composite material wind power anti-seismic tower barrel

The invention relates to a stepped composite material wind power anti-seismic tower barrel. The stepped composite material wind power anti-seismic tower barrel is composed of at least two tower barrelsections vertically arranged from bottom to top and connecting units connecting adjacent tower barrel sections. The tower barrel sections are made by stacking a plurality of tower barrel units, wherein the tops and bottoms of the tower barrel units are provided with first stiffening ribs with a plurality of first through holes correspondingly, and adjacent tower barrel units are fixedly connectedtogether through first bolts. The connecting units are in frustum shapes. The tower barrel units and the connecting units comprise inner steel plates and outer steel plates correspondingly, and UHPClayers are filled between the inner steel plates and the outer steel plates. The tops and bottoms of the connecting units are provided with second stiffening ribs correspondingly, wherein the second stiffening ribs extend to the interiors of the connecting units and are horizontally arranged and provided with a plurality of second through holes, the connecting units are fixedly connected with adjacent tower barrel units through second bolts, the second bolts penetrate through the first through holes and the second through holes. The stepped composite material wind power anti-seismic tower barrel can be modularized and prefabricated, so that the production and installation efficiency is improved.
Owner:江苏东南结构防灾工程有限公司

Self-resetting beam-grid friction wall structure system

The invention discloses a self-reset girder-grid friction wall structural system and belongs to the technical field of structural engineering earthquake proofing. A grid metal structure (7) is fixed in a frame unit formed by a reset girder (1) and a swing pillar (2); two building body walls (3) are arranged at the outside of the grid metal structure (7); the self-reset girder (1) and the swing pillar (2) are fixedly connected by angel steel (16); a prestressed steel bar (17) is precast in the self-reset girder (1) by a post-tensioning method; two ends of the prestressed steel bar (7) are anchored at the outside of the swing pillar (2) by anchorages (5); the swing pillar (2) is placed on a foundation base (4); rubber gaskets with a certain thickness are paved at the contacting positions between pillar legs and the foundation base (4). Under the action of an earthquake, the swing pillar (2) and the self-reset girder (1) rotate, the grid metal structure (7) is driven to be deformed, and the swing pillar (2), the self-reset girder (1) and the grid metal structure (7) cooperatively work and consume energy in steps, so the aims of reducing horizontal displacement of the structure and enhancing the energy dissipation capacity of the structure are achieved.
Owner:DALIAN UNIV OF TECH

Energy-consuming infilled wall board capable of being assembled quickly

ActiveCN109838031ALimit out-of-plane motionLittle impact on construction levelProtective buildings/sheltersShock proofingTongue and grooveSeismic energy
The invention discloses an energy-consuming infilled wall board capable of being assembled quickly, and belongs to the technical field of building construction equipment. The energy-consuming infilledwall board capable of being assembled quickly includes a first wall board group at the end and a second wall board group at the middle, the first wall board group is connected with the second wall board group through a rabbet and a mortise in a matched mode, and the first wall board group and the second wall board group are connected with the second wall board group through the rabbet and the mortise in a matched mode; and the length of the rabbet is larger than the depth of the mortise, so that the spliced infilled walls are vertically provided with energy-consuming joints of 15 mm to 25 mm,and seismic energy can be consumed. In the thickness direction, the first wall board group and the second wall board group are spliced by two first wall boards and two second wall boards correspondingly, and during the installation, one wall board is rotated 180 degrees vertically to be spliced with the other wall board, a cavity formed in the middle of the spliced infilled wall can be filled with preservation materials. According to the energy-consuming infilled wall board capable of being assembled quickly, the energy-consuming infilled wallboard is easy in installation, the construction efficiency can be greatly improved, the environmental pollution and the noise pollution in the construction process can be reduced, and the construction reliability is improved.
Owner:QINGDAO HUANGHAI UNIV
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