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572 results about "Beam column" patented technology

Beam column. A structural member subjected simultaneously to axial load and bending moments produced by lateral forces or eccentricity of the longitudinal load.

Reinforced roof structure of a prefab modular shed

The present subject matter discloses a novel roof designs of a blow-molded storage shed that enhances structural stability while ensuring ease of assembly and disassembly. The roof assembly features a beam support frame with multiple interconnected beam columns and crossbars, providing robust support for the roof structure. A central roof panel, equipped with an embedded seamless folding groove, folds to create a roof peak during installation. Additionally, side roof panels are connected to the central roof panel, forming a cohesive and durable roof assembly. This design optimizes both strength and ease of construction.
Owner:YIXIANG BLOW MOLDING FURNITURE (NINGBO) CO LTD

I-shaped column-full dry type connection RC beam column joint and connection method

The invention discloses an I-shaped column-full dry type connection RC beam column joint and a connection method, and belongs to the technical field of building structure engineering. The joint comprises a prefabricated I-shaped column, a stepped beam, a shear connector and a U-shaped connecting steel plate. A long bracket and a short bracket are respectively arranged at the top and the bottom of the I-shaped column; the end part of the step-shaped beam is in an inverted step shape and is provided with an extending section; the shear connector is a long-strip-shaped steel member provided with a screw rod; and the U-shaped steel plate is provided with screw holes which are respectively matched with the shear connector and the beam end screw. During connection, rapid assembly is achieved in the mode that the brackets of the upper column and the lower column are in lap joint, shear key grooves are interlocked, the shear connectors penetrate into the square holes, the beam bodies are supported on the combined brackets, and finally the U-shaped steel plates are used for anchoring. According to the joint, complete dry type operation is achieved, cast-in-place concrete and steel bar welding are not needed, the construction efficiency is remarkably improved, wet operation is reduced, loads can be borne after installation, the overall performance is reliable, and the development requirement of fabricated buildings is met.
Owner:HUNAN UNIV OF TECH

Three-dimensional modeling method based on multi-view image fusion and AI semantic material decoupling

The invention proposes a three-dimensional modeling method based on multi-view image fusion and AI semantic material decoupling, and the method comprises the steps: employing a self-adaptive overlapped region weighted fusion strategy in an image preprocessing stage through an improved pyramid block matching algorithm, dynamically adjusting the gray value of a pixel through an inverse distance weighting function, and carrying out the dynamic adjustment of the gray value of the pixel; exposure differences and splicing gaps among multi-view images are eliminated, building structure features are extracted through a graph convolutional network by constructing a two-channel deep learning network and a space geometric channel, semantic segmentation of eaves and beam column components is achieved, and in the two-channel deep learning network, a material decoupling channel adopts an adversarial generative network; according to the method, the texture alignment precision can be improved to 0.3 pixel level in an ancient building digital case, the material attribute restoration error is lower than 8%, the model is supported to directly perform weathering simulation and virtual restoration operation in a Unity / Unreal engine, and a new technical normal form is provided for digital protection and activation utilization of cultural heritage.
Owner:ZHEJIANG UNIV OF TECH

Temporary structure suitable for assembly type station ending end and construction method

The invention discloses a temporary structure suitable for an assembly type station ending end, which comprises a temporary support structure arranged in a shape like a Chinese character'tian ', the temporary support structure is divided into a foundation support frame provided with an outer ring and a cross-shaped inner support frame body arranged between the foundation support frames, and the temporary structure further comprises an underpinning system arranged in the temporary support structure; through the construction method and structure of firstly building temporary steel beam columns and firstly supporting and then underpinning, the assembly starting point and end point positions of the full-prefabricated rectangular flat-top assembly type station are suitable for the working condition, the method can solve the problem of space and time conflict between the assembly trolley and the temporary steel stand columns, it is ensured that the assembly trolley is normally put into use, and the construction efficiency is improved. Meanwhile, the mounting and dismounting workload of the temporary section steel beam column is reduced, the construction efficiency is improved on the premise of ensuring the splicing quality, the high-place operation risk is reduced, meanwhile, normal construction of a post-pouring beam column system can be ensured, and the mounting and dismounting amount of large section steel components is reduced.
Owner:中交(广州)建设有限公司 +2

Intelligent construction assembly type steel beam column rigid connection joint

The invention discloses an intelligent construction assembly type steel beam column rigid connection joint, and relates to the technical field of constructional engineering structures. According to the technical scheme, the intelligent construction assembly type steel beam column rigid connection joint comprises a connection joint body, I-shaped steel is connected to the two sides of the connection joint body, guide shells are arranged on the two sides of the connection joint body, adjusting mechanisms are fixedly connected to the upper portions of the guide shells, and guide wheels are arranged on the lower portions of the adjusting mechanisms; the two sides of the guide wheel are fixedly connected with first transmission wheels, the first transmission wheels are in transmission connection with a transmission belt, the transmission belt is in transmission connection with a second transmission wheel, and the second transmission wheel is fixedly connected with a first gear. The second gear rotates to drive the third gear to move, the third gear rotates to drive the positioning plate to move, and then the positioning plate is automatically driven to press the two sides of the I-shaped steel in the process that the I-shaped steel gets close to the connecting joint, so that the two sides of the I-shaped steel are limited, and positioning of the I-shaped steel in the horizontal direction is achieved.
Owner:GANNAN UNIV OF SCI & TECH

Node for reinforcing old reinforced concrete frame structure through BRB, design method and earthquake toughness improvement rapid evaluation method of node

The invention belongs to the technical field of earthquake toughness improvement of old buildings and earthquake response rapid calculation based on an artificial intelligence technology, and discloses a node for a BRB reinforced old reinforced concrete frame structure, a design method and an earthquake toughness improvement rapid evaluation method of the BRB reinforced old reinforced concrete frame structure. The joint comprises a frame structure beam column joint composed of a reinforced concrete beam component, a column component and a plate component, a buckling restrained brace, a high-strength bolt, a connecting plate, a cladding plate, a bottom plate and stiffening ribs. According to the connection node structure provided by the invention, the damage to the opening positions of the plate components is easier to control through the structure design compared with the damage to the opening positions of the beam and column components in the conventional connection node structure, and the integrity and the bearing capacity of the beam and column components serving as main bearing components of the structure are better protected. According to the probability-based earthquake toughness improvement evaluation method, the structural vulnerability is adopted as a comparison parameter, and the reinforcing effect of the buckling restrained brace on the structure is displayed more visually and more comprehensively through vulnerability control rate analysis.
Owner:CHINA UNIV OF MINING & TECH

Novel rear counterweight elevator structure

The utility model relates to the technical field of lifters, and particularly discloses a novel rear counterweight lifter structure which comprises a lift car body, a longitudinal beam assembly, an upper beam assembly, a lower beam assembly, a rope wheel assembly and a counterweight system. The longitudinal beam assembly comprises a plurality of longitudinal columns arranged on the left side wall and the right side wall of a hoistway correspondingly; a plurality of guide rails are arranged on the left side and the right side of the lift car body respectively and connected to the longitudinal columns in a sliding mode. The lower beam assembly comprises a plurality of lower beam columns connected between the longitudinal columns in a left-right mode. The upper beam assembly comprises a plurality of short beam columns which are located above the lower beam assembly and connected to the longitudinal columns respectively and inclined beam columns which connect the short beam columns with the lower beam column. The rope wheel assembly comprises two rope wheel beams connected to the lower portions of the short beam columns on the left side and the right side respectively and four rope wheel bodies arranged below the two rope wheel beams in a pairwise mode. The counterweight system comprises a plurality of counterweight blocks arranged on the rear side wall of the hoistway, the utilization rate of the hoistway is increased, the production cost of an enterprise is reduced, and high practicability is achieved.
Owner:JOYLIVE ELEVATOR

Intelligent calibration method based on steel structure assembly precision

The invention provides an intelligent calibration method based on steel structure assembly precision, and relates to the technical field of intelligent calibration, and the method comprises the steps: collecting spatial position data of a joint of an I-shaped steel beam flange and an H-shaped steel column flange, converting the spatial position data into a verticality deviation value, and obtaining stress distribution data of a beam column connection node; calculating the deformation compensation amount of the I-shaped steel beam flange based on the perpendicularity deviation value and the stress distribution data, and calculating a calibration force distribution curve according to the change rule of the inertia moment of the section of the I-shaped steel beam flange; and the welding sequence and the welding bead spacing are optimized based on the calibration force distribution curve, and welding parameters are controlled through the thermal field distribution gradient, so that the perpendicularity deviation between the flange of the I-shaped steel beam and the flange of the H-shaped steel column is controlled. In this way, the problem that the assembly precision is insufficient due to the fact that perpendicularity deviation is difficult to calculate accurately and welding heat input distribution is uneven can be solved, the steel structure assembly precision and efficiency are improved, and the structural stability is enhanced.
Owner:山东力加力钢结构有限公司

Joint with replaceable self-resetting bionic plastic hinge beam column and application

The invention discloses a beam-column joint with a replaceable self-resetting bionic plastic hinge and application, the beam-column joint comprises a steel beam, an upper prefabricated column, a lower prefabricated column and a connecting joint for connecting the upper prefabricated column, the lower prefabricated column and the steel beam, and the replaceable self-resetting bionic plastic hinge is connected between an overhanging beam on one side of the connecting joint and the steel beam; the replaceable self-resetting bionic plastic hinge comprises a torsion amplification damper which is connected to the end faces of the upper and lower flanges of the pair of connecting beam sections and is connected by a rotating arm, a self-resetting device which is arranged on the butt-joint end faces of the upper and lower flanges of the pair of connecting beam sections, and a pair of friction hinges which are arranged at the butt-joint ends of the pair of connecting beam sections and are mutually nested and wrapped to form rotation. The beam-column joint not only has excellent energy dissipation performance, but also can concentrate post-earthquake damage, protect a main body structural member from being damaged, and improve the anti-seismic performance of the beam-column joint; meanwhile, the replaceable self-resetting bionic plastic hinge is connected with the steel beam and the joint core area through high-strength bolts and lug plates, mounting and dismounting are easy, and the replaceable function after an earthquake can be achieved.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Special-shaped steel pipe column and supporting combined shear wall

The utility model provides a special-shaped steel pipe column and support combined shear wall, and relates to the technical field of assembly type buildings, the special-shaped steel pipe column and support combined shear wall comprises special-shaped steel pipe columns and framework girders, the framework girders are arranged between two adjacent special-shaped steel pipe columns, the upper ends and the lower ends of the special-shaped steel pipe columns are used for supporting floors, the special-shaped steel pipe columns comprise square columns and a plurality of U-shaped columns, webs used for positioning and abutting against the two ends of the U-shaped column are arranged on the side portions of the square column. According to the special-shaped steel pipe column and support combined shear wall, the square column serves as the central section, the U-shaped columns are welded in the direction perpendicular to the four webs of the square column to form the special-shaped steel pipe concrete columns and the beam columns, space arrangement is flexible, the component finished product is high, the beam columns effectively improve the structural rigidity, and the use area rate of a building is high.
Owner:ZHEJIANG LIZHI CONSTR TECH CO LTD

Fabricated beam-column joint structure and construction method

The invention relates to the technical field of assembly type beam columns, in particular to an assembly type beam column joint structure and a construction method.The assembly type beam column joint structure comprises a connecting cavity, a first cross beam, a second cross beam and a vertical beam are arranged in the connecting cavity, the assembly type beam column joint structure further comprises an assembly assembly, and the assembly assembly comprises a stress auxiliary unit and a fastening unit; the fastening unit comprises an adaptive plate, a positioning rod, a positioning hole, a first arc-shaped block, a second arc-shaped block, a second groove, a second clamping groove, a first groove and a first clamping groove, a first coil spring shaft is arranged on the inner wall of the first groove, a first clamping hook is fixedly installed on the surface of the first coil spring shaft, and one end of the first coil spring shaft is fixedly connected with a first gear; when the first clamping hook and the second clamping hook correspond to the first clamping groove and the second clamping groove, the first clamping hook and the second clamping hook are clamped into the first clamping groove and the second clamping groove correspondingly, rapid fastening connection between the first cross beam and the second cross beam in the connecting cavity is achieved, instant locking of the first cross beam and the second cross beam is achieved through mechanical meshing, traditional bolt connection is replaced, and the connecting efficiency is improved. Operation is simple and convenient.
Owner:CHINA CONSTRUCTION EIGHTH BUREAU (INNER MONGOLIA) CONSTRUCTION CO LTD

Pouring formwork at beam-column joint in fabricated building support-free system

The utility model discloses a pouring formwork at a beam-column joint in an assembly type building support-free system in the technical field of building construction, which is characterized in that a reinforcing beam support and a supporting plate are mounted on a stand column through embedded bolts, and then a left formwork and a right formwork are supported and locked through the reinforcing beam support and the supporting plate; the main beam component and the secondary beam component can be positioned and supported more accurately, so that the mounting precision of the beam-slab integrated component is high, and the operation difficulty is effectively reduced; besides, outside a beam column core area, a penetrating type locking structure is not used, beam column joint point formworks are effectively supported through the supporting plates and the reinforcing beam supports, a triangular stress system is formed, the effect of effective and stable supporting is achieved, meanwhile, the overall structural strength of the cast-in-place stand column is not affected, the detachable reinforcing beam supports serve as the supporting structure, and the structure is simple and convenient. After the building component is poured, the reinforcing beam support can be integrally dismantled and recycled, the standard formwork is adopted for construction, splicing is more accurate and compact, and the quality problems such as slurry leakage and slab staggering are effectively avoided.
Owner:FUJIAN CONSTRUCTION ENGINEERING GROUP QUANZHOU ENGINEERING CO LTD +1

Steel structure beam column joint high-precision positioning control device

The invention relates to the technical field of steel structure installation, in particular to a steel structure beam column joint high-precision positioning control device which comprises a stand column and a cross beam, the stand column is fixedly sleeved with a connecting cylinder, and the cross beam is fixedly connected with the connecting cylinder through a connecting plate. A plurality of hole grooves used for achieving fixing are formed in the connecting cylinder, the stand column, the cross beam and the connecting plate, and in addition, the device further comprises a positioning assembly. Accurate calibration of the horizontal posture of the cross beam is achieved through an active centering system of the laser lamp and the light marking ring; tooth groove interlocking of the positioning rods and spring reset design are adopted, the height of the cross beam is automatically locked, manual repeated adjustment is avoided, the vertical positioning efficiency is improved, the positioning frame is of a U-shaped clamping structure and is matched with longitudinal and transverse bidirectional clamping grooves of the locking plate and an elastic pad for pressing, and disassembly and assembly can be rapidly completed; and an elastic interlocking mechanism of the buckling rod and the connecting cylinder eliminates an additional reinforcing step, and turnover and reuse of the device are facilitated.
Owner:安徽伟宏建材科技有限公司

Tree-shaped beam column structure for rain shed of railway station

The utility model relates to the technical field of railway building components, in particular to a tree-shaped beam column structure for a railway station canopy, which comprises a support rod, the upper part of the left end and the upper part of the right end of the support rod are fixedly connected with fixing frames, and the lower end of the support rod is fixedly connected with a fixing plate. A drainage channel is formed in the middle of the upper end of the supporting rod and the middle of the upper end of the fixing plate, and a plurality of fixing holes are formed in the upper end of the fixing plate. According to the tree-shaped beam column structure for the rain shed of the railway station, due to the fact that the two fixing frames are arranged, when the tree-shaped beam column structure is used for installing and using the rain shed, the three supporting plates in the fixing frames can absorb and weaken wind vibration generated by the rain shed, the damping effect can be achieved, and the situation that the rain shed is damaged in the strong wind weather is avoided. The rain shed is damaged due to the wind vibration effect, the drainage channel is formed in the upper end of the device, when the device is used, rainwater falling on the rain shed slides to the upper portion of the supporting rod and flows away through the drainage channel, and it is avoided that the rainwater is retained on the upper portion of the device to cause corrosion of the device.
Owner:JILIN RAILWAY SURVEY & DESIGN INST

Beam column plate ladder concrete vibrating device

The utility model discloses a beam column plate ladder concrete vibrating device which comprises a vibrating assembly, fixing rods and a connecting plate, the top end of the vibrating assembly is connected with an automatic telescopic rod through a connecting structure, the automatic telescopic rod is connected with a left-right adjusting structure through a connecting structure, and the left end and the right end of the left-right adjusting structure are connected with the fixing rods. The bottom of the fixing rod is connected with a front-back moving structure through a connecting structure, the bottom of the front-back moving structure is connected with the beam column plate ladder through a connecting plate, the connecting structure comprises flange plates and bolts, and the upper flange plate and the lower flange plate are fixedly connected through the bolts. The left-right adjusting structure comprises a first motor, a first lead screw, a first moving block and a first fixing shell. According to the beam column plate ladder concrete vibrating device, the device is convenient to disassemble and assemble through the connecting structure, the vibrating assembly can automatically move left and right through the left-right moving structure, and the vibrating assembly can automatically move front and back through front-back moving.
Owner:XINJIANG SNOW PLATEAU CONSTR ENG CO LTD

Fabricated concrete frame structure

The utility model discloses a fabricated concrete frame structure, which belongs to the technical field of concrete structures and comprises a base, a hollow prefabricated column is fixedly connected to the upper end of the base, an extension column matched with the hollow prefabricated column is inserted into the hollow prefabricated column, and four beam-column joint components distributed in an array are mounted at the outer end of the extension column. A beam assembly is installed on the extension column through a beam column joint assembly, a prefabricated floor slab is installed on the beam assembly, a guide hole is formed in the position, corresponding to the beam column joint assembly, of the extension column, and a guide assembly is installed on the inner side of the guide hole. According to the utility model, installation errors in a certain range can be allowed to be corrected and aligned finally through the guiding effect of the guiding assembly, the installation is convenient, meanwhile, the alignment of hole sites is also convenient, and the supporting plate can be moved and adjusted, so that the size errors possibly caused by integral forming can be avoided; and it is guaranteed that the cross beam assembly is accurately and fixedly installed, and deviation and deformation are not prone to occurring.
Owner:王司洋

Steel structure beam column connecting joint structure

The utility model is suitable for the technical field of beam column structures, and provides a steel structure beam column connecting node structure which comprises a stand column, a first connecting beam is arranged in the stand column in a penetrating mode, a second connecting beam is arranged in the first connecting beam in a penetrating mode, and the two ends of the second connecting beam extend out of the stand column. The first connecting beam and the second connecting beam are in a cross shape, a plurality of reinforcing steel bar bodies are arranged on the four side walls of the stand column in a penetrating mode, and the reinforcing steel bar bodies surround the second connecting beam and the first connecting beam. According to the steel structure beam-column connecting node structure, the first connecting beam penetrates through the interior of the stand column, the second connecting beam sequentially penetrates through the interior of the stand column and the first connecting beam, a connecting supporting node is formed, and after a plurality of steel bar bodies are inserted, the second cross beam connecting part and the first cross beam connecting part are sleeved in a matched mode; the reinforcing steel bar bodies are machined in a penetrating mode and reinforced through the outer sleeves, the supporting strength of connecting joints is improved, and then the reliability of connection between beam columns is improved.
Owner:XINCHANG COUNTY XINHAO STEEL STRUCTURE ENGINEERING CO LTD

Building structure inner ring beam column joint reconstruction and reinforcement structure and installation method

The invention discloses a building structure inner ring beam column joint reconstruction and reinforcement structure and an installation method. The building structure inner ring beam column joint reconstruction and reinforcement structure comprises a floor, a supporting groove is formed in the middle of the floor, an inner ring beam column body is fixedly installed on one side of the inner wall of the supporting groove, an anti-torsion steel bar frame is arranged on one side of the inner ring beam column body, and a beam bottom bar is fixedly installed at the bottom end of one side of the anti-torsion steel bar frame; a plurality of beam stirrup assemblies are fixedly installed at the top ends of the beam bottom bars, and a plurality of tie bar assemblies are fixedly installed in the middle of one side of the anti-torsion steel bar frame. The connecting assembly, the tie bar assembly and the beam stirrup assembly are sequentially installed outside the inner ring beam column body, the inner ring beam column body and the anti-torsion steel bar frame are assembled together, the supporting performance of the inner ring beam column body is improved, and the safety of the escalator is improved; by arranging the tie bar assemblies, newly-added longitudinal bars and anti-torsion steel bars should be anchored into the ring beams or embedded into the frame column main beams on the two sides, the frame column main beams are reinforced on the premise that the size is not increased, and the supporting capacity of the inner ring beam column body is improved.
Owner:五矿二十三冶建设集团有限公司

Splicing type beam column structure

The invention discloses a splicing type beam column structure which comprises a stand column and a control system, a spherical hinge piece is arranged at the top of the stand column, a vertical beam column is arranged above the spherical hinge piece, a plurality of cross beams are evenly distributed on the periphery of the spherical hinge piece, and a plurality of adjusting assemblies are evenly arranged on the stand column. The adjusting assemblies and the cross beams are distributed in a staggered mode, each adjusting assembly comprises a fixing block fixedly installed on the corresponding stand column, a first sliding groove is formed in each fixing block, a center groove is formed in the upper section of each stand column, a receding groove is formed between each first sliding groove and the corresponding center groove, and a sliding shaft is slidably connected to each fixing block; and a magnetic block is arranged in the center groove, an electromagnetic block is arranged above the center groove, and the problem that an existing assembly type beam column connecting structure still has certain defects in the aspect of anti-seismic performance is solved.
Owner:JIANGSU JINMAO TECH DEV

A garbage filtering structure for hydraulic engineering and a construction method thereof

The application relates to the technical field of hydraulic engineering, and discloses a garbage filtering structure for hydraulic engineering and a construction method thereof, which comprises a water gate platform, a beam plate, a trash rack, a driving unit, a cleaning rack, a protection frame, a floating mechanism, an extension mechanism, a conveying mechanism, an air pump set and a trigger button, a rectangular opening for the extension mechanism to go in and out is arranged at the bottom of the water gate platform, beam columns reaching the bottom of a lake are arranged on the two side walls in the water gate platform, and the driving unit is provided with two; the extension mechanism and the cleaning rack can be floated on the water surface through the adjustment of the driving unit and the floating mechanism, the floating garbage can be intercepted through the inclined arrangement of the cleaning rack, the jamming of the trash rack and the cleaning frequency of the trash rack are reduced, and the problem that the floating garbage is accumulated on the water surface during the garbage interception process of the existing filtering structure, causing the water level part of the trash rack to be jammed and blocked by the garbage, is solved.
Owner:STATE GRID HEILONGJIANG ELECTRIC POWER COMPANY +1

Intelligent processing method and equipment for building model structure

The invention relates to the field of reinforced concrete beam column cutting, in particular to an intelligent machining method and equipment for a building model structure.The equipment comprises a main frame with supporting legs arranged at the lower end, a transverse groove I is formed in the upper end of the main frame, two through holes are formed in the main frame in the front-back direction in a penetrating mode, sliding beams are arranged in the two through holes in a sliding mode, and auxiliary frames are fixed to the rear ends of the two sliding beams; a transverse groove I is formed in the front end of the main frame, a transverse groove II is formed in the upper end of the auxiliary frame, two roller seats are connected in each of the transverse groove I and the transverse groove II, supporting rollers are obliquely and rotatably arranged on the four roller seats, a bracket is fixed at the front end of the main frame, a knife rest vertically penetrates through the bracket in a sliding mode, a cutting shaft is rotatably arranged at the upper end of the knife rest, and a cutting disc is fixed at the front end of the cutting shaft. The beam column can be conveniently moved, and the cutting efficiency is improved.
Owner:SICHUAN HUIBILI TECHNOLOGY CO LTD

Connecting joint structure of prestressed beam and beam column

The utility model relates to the technical field of industrial upstairs, and discloses a connecting node structure of prestressed beams and beam columns, which comprises a plurality of beam columns and prestressed beams, and adapts to the deformation requirement of the whole structure through the hinged connection of primary and secondary beams of the prestressed beams, improves the shock resistance and durability of the structure, and reduces the construction cost. The annular plates and the partition plates above the through holes of the beam columns, the supporting plates below the through holes, the reinforcing ribs below the supporting plates and the grooves in the bottoms of the prestressed beams are fixed in a surfacing mode, the reinforcing plates in the beam columns cooperate with one another to enhance the firmness of joint connection, the joints are prevented from loosening or deforming, and the joint structure can bear large loads; and the requirement of industrial upstairs on structural strength is met.
Owner:SHENZHEN SPECIAL ECONOMIC ZONE CONSTR ENG GRP SHENGTENG TECH CO LTD

A reinforced concrete structure model construction method, device and medium

The present application relates to a kind of reinforced concrete structure model construction method, device and medium, wherein the method comprises: according to the geometric parameter of bridge basic structure to establish first finite element model;According to the material constitutive relation of bridge structure obtained from reinforced concrete structure tensile test;Determine the first crack width calculation formula based on the section model construction of fiber beam column unit;Material constitutive relation and the first crack width calculation formula are embedded in first finite element model;Input structure load action, utilize first finite element model to obtain structure performance degradation parameter and structure crack parameter;The present application realizes the technology of more accurate reinforced concrete structure simulation based on fiber beam column unit, solves the technical problem that reinforced concrete structure is difficult to simulate steel crack.
Owner:SHENZHEN URBAN TRANSPORT PLANNING CENT CO LTD +1

Prefabricated building efficient connection assembly

The utility model relates to prefabricated construction connecting technical field discloses prefabricated construction efficient connecting assembly, including beam column and two cross beams, the outside of beam column is connected with two auxiliary frames, the inside of auxiliary frame is connected with two adjusting assembly, a plurality of adjusting assembly is fixedly connected with two connecting frames away from the side of beam column, the front and back both sides of connecting frame all are fixedly connected with the locating ring, wherein the outside of one locating ring is connected with the support hook, the bottom side fixedly connected with fixed cylinder of support hook, the inner wall sliding connection of fixed cylinder has the sliding disc, the bottom side fixedly connected with fixed column of sliding disc, in the utility model, through the force of spring reset gives the connecting hook a reverse direction force holds another locating ring, and then can fix two opposite connecting frames, thereby can complete the cross beam and connect, and then improve the efficiency of connection.
Owner:SUZHOU SHIDAI ENG CONSULTING SUPERVISION CO LTD

Carbon fiber cloth and angle steel composite reinforcing device for beam-column joint

The invention discloses a carbon fiber cloth and angle steel composite reinforcing device for beam-column joints, which belongs to the technical field of beam-column joint reinforcement and comprises a column body, a beam body is rigidly connected to the outer wall of the column body, a floor slab is rigidly connected to the outer walls of the column body and the beam body, and a group of W-shaped angle steel is fixedly mounted on each of the side walls of the joints of the column body and the beam body. W-shaped angle steel and L-shaped angle steel are arranged at the joints of a column body and a beam body, a multi-reinforcing system is formed by matching with a carbon fiber cloth group, the W-shaped angle steel and the L-shaped angle steel are used for restraining the joints from the side direction and the bottom respectively, and complex shearing force at the joints of the beam column is dispersed by combining a mechanical meshing structure formed by double-break-angle V-shaped angle steel and arc-shaped angle steel through long bolts; the shear-resistant bearing capacity of the angle steel under the action of multidirectional stress is remarkably improved, the joint reinforcing effect is improved, the embedding grooves are formed in the two ends of the W-shaped angle steel and the two ends of the L-shaped angle steel, the embedded carbon fiber cloth is bonded to the two ends of the W-shaped angle steel and the two ends of the L-shaped angle steel, crack propagation in a stress transmission path can be blocked through the embedded carbon fiber cloth, and the local shear-resistant bearing capacity of the ends of the angle steel is enhanced.
Owner:HEBEI JUCHUAN CONSTRUCTION ENGINEERING CO LTD

A decorative beam component assembled by mortise and tenon

The utility model provides a kind of decorative beam component of mortise and tenon assembly, including first mortise and tenon component and multiple beam columns, and multiple beam columns are integrally constituted cross by first mortise and tenon component splicing;Beam column includes two horizontal plates oppositely arranged and two vertical plates oppositely arranged, and two vertical plates are enclosed to form the beam column of hollow structure, wherein, the end of horizontal plate towards first mortise and tenon component is processed with mortise slot hole, and tenon head is arranged on first mortise and tenon component and matched with mortise slot hole, and tenon head is connected by mortise slot hole, and horizontal plate is connected with first mortise and tenon component, and vertical plate is clamped and fixed between two horizontal plates.Multiple beam columns are assembled by first mortise and tenon component, without complex on-site processing and cutting, greatly simplify the installation process, secondly, compared with traditional solid beam, the use of material is greatly reduced in hollow beam, and material-saving environmental protection is convenient to install and internal wiring.
Owner:SHANGHAI MODERN CONSTR DECORATIVE ENVIRONMENT DESIGN & R

Steel structure beam column for fabricated building

The utility model discloses a steel structure beam column for a fabricated building, which comprises a vertical column, one side of the vertical column is provided with a placement groove, a connecting block is inserted in the placement groove, a positioning groove is arranged in the connecting block, the positioning groove is of a T-shaped structure, a limiting block is inserted in the positioning groove, and the middle of one side wall of the limiting block is fixedly connected with a transverse beam. The transverse beam is detachably connected into the placement groove through the connecting block, and the side, located on the opening side of the placement groove, of the vertical column is detachably connected with the side sealing plate, and the side sealing plate has the advantages that due to the fact that the placement groove corresponding to the placement plate is formed in the vertical column in advance, only the placement plate needs to be inserted into the placement groove in the assembling process; the vertical columns and the transverse beams can be assembled and spliced by inserting the limiting blocks into the positioning grooves and then reinforcing the vertical columns and the transverse beams through screws, the vertical columns and the transverse beams can be disassembled and assembled in a pulling and inserting mode, and the assembling and splicing time can be greatly shortened.
Owner:SHANGHAI LUDI ENG EQUIP CO LTD

Beam column handling device

The utility model provides a kind of beam column handling device, including walking component, lower support component, upper support component and clamping component, the walking component includes wheel shaft and the wheel that is respectively rotationally connected in the both ends of the wheel shaft;The lower support component includes the lower support post that is vertically connected in the middle part of the wheel shaft;The upper support component includes the upper support post that is rotationally connected with the lower support post, and the upper end of the upper support post is vertically connected with handling rod, and the spacing between the front end of the handling rod and the upper support post is less than the spacing between the rear end of the handling rod and the upper support post;The clamping component includes cross bar and clamp that is respectively connected in the both ends of the cross bar, and the middle part of the cross bar is connected with the front end of the handling rod, and handle is provided in the rear end of the handling rod.The utility model can be used to lift horizontally placed beam column in factory area and move, and the lifted beam column can also be horizontally rotated to adjust orientation, so that the movement of beam column is more flexible and convenient.
Owner:MCC COMM CONSTR GRP CO LTD