3425results about "Trusses" patented technology

The invention discloses an H-shaped steel beam locking framework and a locking method thereof, and relates to the field of steel structure connectors, the H-shaped steel beam locking framework comprises buckle plates, the two buckle plates are parallel to a web of H-shaped steel and are symmetrically arranged on the two sides of the H-shaped steel butt joint part, and the two sides of each buckle plate are provided with right-angle bending parts flatly attached to the surface of a flange plate; each right-angle bending part is connected with the flange plates of the two pieces of H-shaped steel which are in butt joint through two fastening screws; the two buckling plates are symmetrically clamped on the two sides of the butt joint portion of the H-shaped steel beam, the buckling plates and the flange plates of the H-shaped steel beam are vertically fixed through fastening screws, cross rods are arranged on the inner sides of the buckling plates, each cross rod is provided with four supporting ends which are symmetrically distributed, and the four supporting ends of each cross rod abut against the inner sides of the flange plates of the two H-shaped steel beams which are in butt joint. The two buckle plates are tensioned and locked left and right through the split screws, front-back, left-right and up-down locking of the H-shaped butt-joint steel beam is achieved, the installation speed is high, the number of open hole connecting points is small, and damage to the H-shaped steel beam structure is small.

A U-shaped recycled concrete composite beam, and a design and construction method therefor, the U-shaped recycled concrete composite beam comprising a prefabricated concrete casing (11) and cast-in-place compression-zone concrete (12), wherein the prefabricated concrete casing (11) is a recycled concrete casing, and has a U-shaped appearance; the cast-in-place compression-zone concrete (12) is high strength concrete, and the cast-in-place compression-zone concrete (12) is concrete with a strength grade of C50-C80; the thickness h1 of the bottom of the prefabricated concrete casing (11) is not less than 80 mm, and the widths b1 and b3 of lateral surfaces of the prefabricated concrete casing (11) are both not less than 45 mm; the width b2 of the cast-in-place compression-zone concrete (12) is not less than 100 mm; and a steel bar cage is provided in the U-shaped recycled concrete composite beam to serve as a framework. Compared with the prior art, the fire-resistant characteristic of recycled concrete and the excellent mechanical properties of high-strength concrete are fully exerted, the flexural bearing capacity and ductility of the recycled concrete beam can be effectively improved at room temperature, the bursting phenomenon of a fire-exposed surface is reduced at a high temperature, and the temperature field in the beam is significantly reduced.

A restrained joint apparatus, applications of the apparatus, and methods for making the apparatus are described. The apparatus is a wood-frame coupling that establishes the restrained joint with movement resistance and moment resistance of a wood member coupled with a frame. The frame includes a body with a wall. The frame can be a unitary structure wherein the wall of the body is arranged to replace an outer perimeter of the end of the wood member so that the wood member and the frame form the wood-frame coupling. In another embodiment, the frame is formed of a plurality of frame plates joined together about the perimeter of the wood member. The invention includes various applications for the wood-frame coupling where a restrained joint is useful such as in an EMC composite member configuration. The invention includes a method of making the wood-frame coupling wherein the first described is forced onto and into the end of the wood member.

A building framework is disclosed herein having a first structural member, a second structural member, and a third structural member disposed between the first and second structural members, a first web member connecting the first and third structural members in a spaced apart relationship, and a second web member connecting the second and third structural members in a spaced apart relationship. The first web member is positioned relative to the second web member such that the shortest distance between the first web member and second web member is greater than or equal to 5 times the thickness of the third structural member. Additional products, systems, and methods also are disclosed.

A beam assembly for a scaffold system includes a support beam configured to couple with a plurality of modular components to allow the beam assembly to be built around a variety of different sized and shaped structures. The support beam having an upper attachment mount, a lower attachment mount, and a web member extending between and interconnecting the upper attachment mount and the lower attachment mount. The support beam having a plurality of holes of differing diameters to allow for the modular coupling with other scaffolding components.

The invention discloses a connecting device for a prefabricated steel beam and a prefabricated plate of a prefabricated building, and relates to the technical field of connection of building structures, the connecting device comprises a prefabricated steel channel beam, a beam plate connecting clamp and the prefabricated plate, and one side of the beam plate connecting clamp is provided with an upper mounting groove and a lower mounting groove corresponding to a top plate and a bottom plate of the prefabricated steel channel beam; the upper mounting groove and the lower mounting groove are connected with the top plate and the bottom plate through convenient connecting pieces correspondingly, each convenient connecting piece comprises two first bolts located at the end of the prefabricated channel steel beam and at least one meshing stripe, and a connecting groove corresponding to a prefabricated plate is formed in the other side of the beam plate connecting clamp. The connecting grooves are connected with the prefabricated slabs through a plurality of second bolts and nuts. According to the connecting device for the prefabricated steel beam and the prefabricated plate of the prefabricated building, the use of a large number of bolts and expanding agents is avoided, the construction cost and difficulty are reduced, the connecting strength between the prefabricated steel beam and the prefabricated plate is guaranteed through the beam plate connecting clamp, and rapid assembly and disassembly are achieved.

A beam-slab integrated prefabricated waffle slab structure and a construction method thereof are provided, the structure includes columns, arranged in an array, and a beam and slab support element and a beam support element being disposed on each column; two ends of each prefabricated frame beam being respectively disposed on the beam support elements, a main support element being disposed on front and rear sidewalls of each prefabricated frame beam; prefabricated waffle beam-slab units, each disposed between the prefabricated frame beams. The construction method includes completing array construction of the columns; installing the beam and slab support element and the beam support element on each column; installing the prefabricated frame beam on two columns; installing the prefabricated waffle beam-slab units between the prefabricated frame beams; installing main beam top rebar skeletons and ribbed beam top rebar skeletons; installing horizontal slab rebars and longitudinal slab rebars; and pouring concrete at nodes.

The invention discloses a cast-in-place beam steel bar truss floor support plate installation construction quality control method and system based on BIM and VR. The method comprises the following steps of BIM three-dimensional modeling, construction scheme simulation, VR scene building, 3D scanning and model comparison, unmanned aerial vehicle cruise monitoring and real-time interaction and cooperative management. A whole-process, visual and interactive construction quality control system is constructed, so that constructors can intuitively and clearly know details such as spatial positions and connection modes of all components, the understanding difficulty is greatly reduced, and construction errors caused by drawing understanding deviation are effectively reduced; scheme simulation optimization before construction of the steel bar truss floor support plate, real-time dynamic monitoring in construction and efficient collaborative management of all construction parties are realized, so that the construction quality risk is pre-judged in advance, the construction deviation is corrected in time, and the accuracy and efficiency of construction quality control are improved; the construction cost is reduced, the construction period is shortened, and the construction quality of the steel bar truss floor support plate meets high-standard requirements.

A method of assembling a modular space frame support system includes providing a first frame including at least four interconnection structures, at least four joists, and a plurality of interconnection structure brackets. The method further includes providing a second frame including at least four interconnection structures, a plurality of interconnection structure brackets, and at least one of four chords or four joists, each of the interconnection structure brackets coupled between a first end and a second end of a respective one of the interconnection structures. The method further includes providing at least one of a diagonal chord and a vertical support and coupling the at least one of the diagonal chord and the vertical support to at least one of the interconnection structure brackets of the first frame and at least one of the interconnection structure brackets of the second frame.

The invention discloses a steel roof steel structure with anti-seismic continuous fusiform blades and a construction method of the steel roof steel structure. Comprising a first row of stand columns, a second row of stand columns, a third row of stand columns, a first row of cross beams, a second row of cross beams, a third row of cross beams, evenly-distributed forked columns, eccentric forked columns, a first row of continuous fusiform steel net frames, a second row of continuous fusiform steel net frames, a finger corridor connecting net frame and a cantilever canopy net frame. The steel roof in the shape of the two rows of continuous fusiform blades and the highest slope tip formed at the highest position of the second row of fusiform blades are novel and unique, have more sense of space, layering sense and rhythm sense, are more dynamic, can be integrally similar to the shape of a lotus treasure, and have the artistic conception of golden top Buddha light, mountain chain cloud sea and three-river confluence; a unique and novel steel reinforced concrete column and steel tube concrete column combined mode is adopted for supporting, the construction quality can be improved under the condition of large-span hoisting, and the construction difficulty is reduced.

The invention provides a reinforcing beam reinforced by adopting an out-of-service wind power blade and a method for determining the bending rigidity. According to the reinforcing beam, a plurality of grooves are formed in at least one surface of a reinforced concrete beam; the reinforcing layer comprises reinforcing ribs and a cement-based composite matrix, a plurality of protrusions are arranged on the surface of the cement-based composite matrix, the protrusions are arranged at intervals in the length direction of the cement-based composite matrix, and the protrusions are correspondingly embedded into the grooves, so that the reinforcing layer is connected with the reinforced concrete beam to obtain a reinforced concrete reinforced beam; wherein the reinforcing ribs are obtained by disassembling and cutting a main beam of the retired wind power blade. According to the reinforcing beam, the combining capacity of the reinforced concrete beam and the reinforcing layer is high, mutual slippage is avoided, the retired wind power blade composite material resources are utilized, the environment is protected, and the cost is saved while high-performance reinforcing treatment can be conducted on the damaged reinforced concrete beam structure or the reinforced concrete beam structure with insufficient bearing capacity.

An outdoor louvered tent includes a louvered tent roof and a louvered tent frame for mounting the louvered tent roof. The louvered tent frame includes stand columns and a ring beam, the louvered tent roof includes several louver plates, linkage strips for linkage cooperation with several louver plates, and an overturning driving device for driving the linkage strips to move. The overturning driving device includes a linkage assembly and a driving assembly, and the driving assembly includes a control member and a mounting seat. The driving assembly is mounted on any stand column, and a stroke cavity groove for the control member to move up and down is provided in the mounting seat.

A frame truss made of two walls and a roof structure. Each of the two walls have an outer and inner chord. The outer and inner chords of each respective wall are not parallel, but the inner chords of the two walls are parallel to each other. The arrangement of the inner and outer chords of each wall creates an exterior overhang with respect to the ground. Each of the walls converge at their bases and are attached at their bases to a plate. The roof structure attaches to the top of each of the walls and spans between them creating a frame that can be assembled in conjunction with similar frames to construct a building system.

The invention belongs to the technical field of trusses, and particularly relates to a flexible diagonal web member space truss. The truss comprises a chord member, and the chord member comprises an upper chord member and a lower chord member which are arranged in parallel; the two ends of the vertical web member are vertically and fixedly connected with the upper chord member and the lower chord member respectively; the diagonal web members are obliquely arranged between the vertical web members, and the two ends of the diagonal web members are connected with the joints of the chord members and the vertical web members respectively. According to the truss provided by the invention, diagonal web members in a traditional space truss structure are replaced by the steel pull rods or the inhaul cables, so that the self weight of the structure is obviously reduced. The steel pull rods or the inhaul cables are adopted as the flexible diagonal web members, so that the flexible diagonal web members only bear axial tension, the cross section size of the members is reduced, the self weight of the structure is reduced, and the basic load of a building is reduced.

A one-piece truss adapter for supporting single-axis trackers with truss foundations. A upside-down Y-shaped structure has bearing support portion and an opposing pair of legs with an angularly adjustable connector for securely joining the one-piece adapter to a pair of driven screw anchors at different angular orientations. Each leg terminates in a connector that is received in a socket integral to a driving coupler at the head of each screw anchor. A retaining nut may hold the connector in place to complete the angularly adjustable assembly.

The utility model discloses a mechanical pressurized air supply structure for an antechamber of a building, comprising an air inlet pipe, a pressurized air supply fan, an electric regulating valve, a 70°C fire damper, an electric normally closed valve, a pressurized air supply port, a residual pressure sensor, an air supply main pipe and an air supply branch pipe, wherein the air inlet pipe and the pressurized air supply fan are arranged in a special fan room, and the air supply main pipe is laid in a civil engineering air shaft; the air supply branch pipe passes through a partition wall of the civil engineering air shaft and is laid on the top of an upturned beam bottom of an antechamber, the air supply branch pipe is connected with the air supply main pipe, the air inlet pipe is connected with the pressurized air supply fan, the pressurized air supply fan is connected with the air supply main pipe through the electric regulating valve and the 70°C fire damper in sequence, and the air supply branch pipe entering the antechamber of each floor is provided with an electric normally closed valve and a pressurized air supply port. The utility model arranges an upturned beam at the partition wall of the civil construction air shaft so that the top of the pressurized air supply branch pipe is close to the upturned beam and the bottom is almost level with the bottom of the top plate of the front room, and is laid to connect to the front room. The air duct occupies a small net height of the front room, and at the same time, a suspended ceiling decoration is adopted to eliminate the influence of the air supply branch pipe extending into the front room on the visual impact of the front room.

The utility model relates to the technical field of building structures, in particular to a concrete module and a full-prefabricated concrete modular building structure system, which comprise shear wall leaf plates, partition walls, a top plate, a bottom plate and beam shells, the bottom plate serves as the bottom face of the concrete module, and the top plate serves as the top face of the concrete module. The shear wall leaf plates and the partition walls form the four side faces of the concrete module. The shear wall leaf plates are arranged at the corners of the concrete modules, and the partition wall is arranged between the two shear wall leaf plates. A first cavity used for pouring concrete is formed in the shear wall leaf plate; the height of the shear wall leaf plate is larger than that of the partition wall, the beam shell is arranged on the top of the partition wall, a second cavity used for pouring concrete is formed in the beam shell, and the second cavity is communicated with the first cavity so that the beam shell and the shear wall leaf plate can form a whole after the concrete is poured.

The invention discloses a local buckling prevention stiffening rib structure which comprises a main component and a stiffening rib group, the main component is a box-shaped component, and the middle part in the box is tensioned and reinforced through the stiffening rib group; the main component comprises a left web plate, a right web plate and two flanges which are arranged up and down, the web plates are convex in the initial state, and the upper sides and the lower sides of the two web plates are connected through the flanges; the stiffening rib set comprises a left stiffening rib and a right stiffening rib, and each stiffening rib comprises a stiffening rib web and a stiffening rib flange. The design method comprises the following steps: step 1, measuring an initial state bending value of the web plate; 2, determining the relationship among parameters of the stiffening rib group when the main component is in the design state; and 3, calculating the deflection generated by the web plate due to pulling and connecting of the stiffening rib group. The structure is good in pulling and connecting effect, and the stiffening rib prestress established in the method completely prevents or greatly relieves the local buckling behavior of the web.

The utility model relates to the technical field of building construction, and discloses a segmented butt joint construction structure of large-span steel beams, which comprises a plurality of steel beams which are sequentially connected end to end, fixing columns are arranged at the head end of the first steel beam and the tail end of the last steel beam, temporary buttresses are arranged at the joints of the middle steel beams, and the temporary buttresses are connected with the steel beams. And the temporary buttresses are used for supporting and fixing the segmented parts of the steel beam. The temporary buttresses are used for temporarily supporting the sections of the steel beam, the sections of the steel beam are prevented from being broken and collapsed due to gravity, the buckling grooves and the buckling blocks are arranged on the connecting sections of the steel beam for pre-fixed connection, and the sections of the steel beam are pre-fixed under the action of the temporary buttresses. The situation that the position of the steel beam swings randomly when the steel beam is hoisted is avoided, an operator can further reinforce the steel beam on the basis of pre-fixing, the fixing bolts are fixed in the first steel beam and the second steel beam through the operation grooves, and the convenience of mounting and fixing is improved.

The invention discloses a tension-shear integrated fabricated frame structure beam-column connection joint and a construction method thereof, and relates to the technical field of fabricated structures, and the technical scheme is characterized in that the tension-shear integrated fabricated frame structure beam-column connection joint comprises a fabricated frame column and a fabricated frame superposed beam, and a groove used for placing a superposed floor slab is reserved in the position, at the floor slab, of a column body of the fabricated frame column; a first steel bar threaded sleeve is pre-embedded in the groove and is used for mounting plate upper steel bars; second steel bar threaded sleeves are embedded in the grooves and used for installing beam upper steel bars. I-shaped connecting pieces are pre-buried in the positions, below the grooves, of the assembly type frame columns and used for installing the assembly type frame superposed beams. Small-diameter steel bar threaded sleeves are pre-buried in the positions, below the I-shaped connecting pieces, of the assembly type frame columns and used for installing masonry tie bars. By separating beam-column connection and column-column connection of the assembly type frame structure, column-column connection is improved to the middle position of the floor height, the reinforcing steel bar density of beam-column connection joints at the floor position is reduced, and the installation and pouring difficulty is reduced.

The utility model discloses a prefabricated concrete beam-slab connecting node free of a mold and an installation support, which comprises a prefabricated laminated beam and a laminated slab, the prefabricated superposed beam is configured to be an inverted trapezoidal section which gradually extends outwards towards the two sides of the prefabricated superposed beam in the height direction of the prefabricated superposed beam from the bottom of the prefabricated superposed beam to the connecting face, matched with the superposed plate, of the prefabricated superposed beam. Connecting bosses are formed at the two ends of the connecting face, matched with the laminated slab, of the prefabricated laminated beam, and the laminated slab can be erected on the connecting bosses at the two ends correspondingly; the prefabricated composite beam is configured to have the inverted trapezoidal section, so that the connecting bosses are formed at the two ends of the connecting surface, matched with the composite slab, of the prefabricated composite beam, the composite slab can be directly erected on the connecting bosses, and the composite slab is supported through the connecting bosses, so that mounting and dismounting of a temporary mounting support are omitted, construction cost is saved, construction is simple, and construction efficiency is improved. And the efficiency is high.

The invention discloses a double-beam and shear wall connecting structure in a modular building and a construction technology, the double-beam and shear wall connecting structure is provided with two shear walls and two superposed beams which are arranged in parallel, each superposed beam comprises a precast beam and a beam cast-in-place concrete layer, edge members are arranged at the two ends of each shear wall, and part of reinforcing steel bars of the superposed beams are anchored into the shear walls; connecting gaps are formed between the two shear walls and between the two prefabricated beams respectively, beam end cast-in-place areas are arranged at the ends, close to the shear walls, of the prefabricated beams, the beam end cast-in-place areas are the positions where plastic hinges are located, and the beam end cast-in-place areas of the two prefabricated beams communicate with each other. The concrete of the beam end cast-in-place area, the beam cast-in-place concrete layer and the connecting gap is poured together on site. According to the structure, the overall continuity can be better guaranteed, stronger overall connection is formed between the beam and the shear wall, and better toughness and ductility can be provided.

The invention belongs to the technical field of structural engineering, and particularly relates to a fabricated steel frame beam column substructure capable of comprehensively defending against earthquakes and progressive collapse. Shearing force and axial tension / pressure generated between the cross beam component and the stand column component are borne through the multifunctional mechanical hinge, the damage degree of the substructure is reduced, and the safety of the substructure is guaranteed; under the action of large earthquakes and giant earthquakes, the multifunctional mechanical hinge rotates and generates plastic deformation to consume energy and consume energy generated by the earthquakes, meanwhile, the pre-tightening suspension component is tensioned, progressive collapse is avoided, and the progressive collapse resistance of the substructure is improved; when the substructure is close to collapse under the action of an earthquake, the pre-tightening suspension component suspends and bears the cross beam component, so that the vertical pulling capacity of the substructure is improved, and the consequence of continuous collapse of the substructure is relieved.

A cold formed beam formed from a single sheet of steel having an upper member and a lower member (e.g., square, rectangular, other shape) separated by a web. The web may include stamped apertures and / or embossments around at least a portion of the stamped apertures. The cold formed beam may include beam connections that operatively couple the ends of the steel sheet used to form the beam to a portion of the beam (e.g., the web). The beam connections may by interference connectors formed from deformation of two or more layers of beam (e.g., clinching, or the like). Among other benefits, forming the cold formed beam from a single sheet, stamping of the web, and / or the using deformation connections (e.g., clinching, or the like) of the ends of the sheet allows for the pre-coating (e.g., galvanized, painting, or the like) of the sheet before the forming.

The present invention discloses a method for constructing a large-volume, high-support prestressed concrete beam, which belongs to the technical field of prestressed beam construction. The construction preparation work includes presetting a full-length steel wire rope in a reserved channel for prestressed steel strands, installing a steel strand anchoring mechanism on the entrance side of the reserved channel, installing a limit plate on the exit side of the reserved channel, and presetting marks at the corresponding lengths of the steel strands extending from the movable pipe according to the length of the reserved channel; using the steel strand anchoring mechanism, multiple steel strands are synchronously pulled to the limit plate for cooperation, and the marks on the steel strands are adjusted to the same plane; the steel strands outside the reserved pipe near the anchor plate are cut, and a movable plate is installed, and the movable plates on both sides of the steel strands are tensioned to a preset elongation value; after tensioning is completed, grouting is performed in the reserved channel, and concrete is poured to form the beam body. The present invention can pipe multiple steel strands in the reserved channel as a whole, avoiding friction on the inner wall of the reserved channel and on the steel strands caused by pipe-lining individual steel strands.

The utility model provides a prefabricated concrete beam dry type connection node, which belongs to the field of prefabricated buildings, and is characterized in that an upper high-strength bolt is arranged above the top surface (within the height of a floor) of a prefabricated concrete beam so as to increase the connection arm of force of the upper high-strength bolt, so that equal-strength node connection with a steel bar in the beam is realized by utilizing a single large-diameter high-strength bolt; the installation convenience is greatly improved; the upper high-strength bolt and the lower high-strength bolt are combined for clamping, so that tensile and compression-resistant bidirectional force transmission is realized (in a normal state, the upper high-strength bolt is tensile, and the lower high-strength bolt is compression-resistant; ), so as to cope with the bending moment change of the precast concrete beam under the action of the reciprocating load.

The utility model relates to a folding beam structure. The folding beam structure comprises two horizontal beam modules which are fixedly connected, a first reinforcing rib and a second reinforcing rib, the horizontal beam module comprises a first connecting beam and a second connecting beam; the body length direction of the first connecting beam is parallel to that of the second connecting beam; the first connecting beams of the two horizontal beam modules are connected, and a preset angle is formed between the body length directions of the two first connecting beams; the second connecting beams of the two horizontal beam modules are connected, and a preset angle is formed between the body length directions of the two second connecting beams; the two ends of the first reinforcing rib are connected with the two first connecting beams respectively, and the two ends of the second reinforcing rib are connected with the two second connecting beams respectively. Compared with the arrangement of a single beam, the arrangement of the two connecting beams can effectively disperse pressure, the strength and hardness of the whole horizontal beam module in a bending area are improved, bending and shearing strengthening is further carried out on the two connected horizontal beam modules under the action of the two reinforcing ribs, and the anti-seismic bearing capacity is effectively improved.