30results about How to "Increase Section Height" patented technology

The invention relates to wedge-shaped honeycomb joist steel member, belonging to the technical field of joist steel members, which solves the problems that the average stress level of the prior constant section type steel member is low; the section height can not change with load action; the whole member intensity can not be brought into full play, which results in the increase of steel consumption and high construction cost; meanwhile the problem of the complex and dense pipeline layout because of the using function requirement is solved. An upper flange (1) of profile steel is fixedly connected with the upper end face of a joist steel web plate (3); a lower flange (2) of profile steel is fixedly connected with the lower end face of the joist steel web plate (3); the tapering ratio shaped by the upper end face and the lower end face of the joist steel web plate (3) is Alpha; the joist steel web plate (3) comprises an upper tooth-shaped web plate (4) and the lower tooth-shaped web plate (5); a cusp (4-1) of the upper tooth-shaped web plate (4) is fixedly connected with a cusp (5-1) of the lower tooth-shaped web plate (5); a honeycomb hole (6) is formed by the cusp (4-1) of the upper tooth-shaped web plate (4) and the cusp (5-1) of the lower tooth-shaped web plate (5). The wedge-shaped honeycomb joist steel member provides a practical door-type rigid frame system member for industrial and civil building.

The invention discloses a highway and railway layered steel box beam. The highway and railway layered steel box beam comprises a box beam top board and a box beam bottom board, wherein the box beam bottom board is located below the middle portion of the box beam top board, a supporting structure is arranged between the box beam top board and the box beam bottom board and is of a truss-type box structure, edge webs which extend in the vertical direction are arranged at the two transverse ends of the box beam top board, an edge bottom board is arranged between the lower end of each edge web and the end portion of the same side of the box beam bottom board, and an inverted-trapezoidal box cavity is defined by the box beam top board, the edge webs, the edge bottom boards and the box beam bottom board. On the basis of a conventional steel box beam, the height of the section is increased, and a railway can be arranged inside the steel box beam; the supporting structure between the box beam top board and the box beam bottom board is of the truss-type box structure, and compared with an integrated type steel box beam, the highway and railway layered steel box beam saves rolled steel.

The invention discloses a partially-coated honeycomb steel-concrete composite beam. The partially-coated honeycomb steel-concrete composite beam comprises honeycomb steel, wherein the honeycomb steel is H-shaped steel with hexagonal holes in a web, C-shaped connecting rods made of steel bars at set intervals are arranged between two flanges of the honeycomb steel, longitudinal bars and waist bars penetrate through the C-shaped connecting rods and are bound on the C-shaped connecting rods, and after the upward honeycomb steel of the steel web is laterally placed, a space between the two flanges is filled with concrete. The invention provides a manufacturing method of the partially-coated honeycomb steel-concrete composite beam. According to the partially-coated honeycomb steel-concrete composite beam and the manufacturing method thereof, the partially-coated honeycomb steel-concrete composite beam has the advantages that steel is saved, the flexural bearing capacity and rigidity are large, the prefabrication degree is high, the manufacturing period is shortened, the combination between the concrete and steel is good, and the fireproof and anti-corrosion performance is good.

The invention discloses a honeycomb-shaped web special-shaped steel column with a T-shaped section. The honeycomb-shaped web special-shaped steel column with the T-shaped section comprises a first plain steel plate flange, a second plain steel plate flange, a third plain steel plate flange, a first steel web, a second steel web and holes; one side edge of the second steel web is perpendicularly connected with the middle part of the first steel web, and the other side edge of the second steel web and two side edges of the first steel web are respectively connected with the first plain steel plate flange, the second plain steel plate flange, the third plain steel plate flange together to form the special-shaped steel column with the T-shaped section; the first steel web and the second steel web are honeycomb-shaped webs of which the middles are provided with the holes; each of the first steel web and the second steel web respectively consists of steel plates of which the edges are provided with notches; the steel plates are welded by butt-jointed seams to form the honeycomb-shaped webs. According to the invention, the structural behavior of the special-shaped steel column is improved without obviously increasing comprehensive cost of the construction, so that the special-shaped column structure is more widely applied to multi-storey and high-rise residences.

The invention provides a separation type composite slab honeycomb composite beam and a method. The separation type composite slab honeycomb composite beam comprises a supporting beam and a composite slab connected with the supporting beam, wherein the composite slab comprises a pouring slab and a plurality of separated prefabricated slabs, the tops of the separated prefabricated slabs and the topsof the supporting beam are covered with and connected by the pouring slab, truss steel bars are arranged in the separated prefabricated slabs, and the separated prefabricated slabs and the pouring slab are connected through the truss steel bars, and the pouring plate is connected with at least one flat and straight surface of the supporting beam through a connecting piece. The size of a formworkin a prefabricating factory can be reduced, the concrete curing time is shortened so as to reach the specified strength, and a prefabricated concrete slab is more convenient to transport and hoist.

The invention belongs to the technical field of bridge and road construction and particularly relates to a method for transforming a rigid-framed arch bridge deck slab without supports. The method comprises the steps as follows: (a) dismounting an original bridge deck slab, breaking a bump on the top of an arch rib and exposing a stirrup in the bump; (b) mounting angle steel and a triangular support in proper positions on the side surface of the arch rib, placing square wood bars on the angle steel and the triangular support, placing bridge deck slab bottom molds above the square wood bars, and arranging cushion blocks between the bottom molds and the square wood bars; (c) laying rebars on the bottom molds, and pouring bridge deck slab concrete; (d) dismounting formworks and a support system after the bridge deck slab concrete reaches designed strength. The transforming method has the advantages that the supports are not needed to be erected from the riverbed bottom surface, construction is convenient, the transformation integrity of the rigid-framed arch bridge deck slab is good and the like, the defects that large-span rigid-framed arch bridge deck slab supports are difficult to erect and are even incapable of being erected during transformation are overcome, the bearing performance of a bridge can be improved, and the integrity of the bridge deck slab is improved.

The invention discloses a prestressed concrete H-shaped beam plate. The H-shaped beam plate is an H-shaped prefabricated part formed by a horizontal web and two edge beams arranged in the length direction of the horizontal web, the horizontal web is a reinforced concrete dense-rib sandwich slab, and the two vertical edge beams are prestressed concrete rectangular beams arranged on two sides of the web in the length direction of the horizontal web and have the length equal to that of the horizontal web. The horizontal web adopts a frame type structure defined by upper and lower panels and longitudinal and transverse ribs which are located between the upper and lower panels and arranged in a crossed manner, and the longitudinal and transverse ribs are arranged in length and width directions of the upper and lower panels to divide an area between the upper and lower panels into multiple independent cavities filled with corresponding light filling blocks. The section height of the two edge beams of the H-shaped beam plate is greatly increased, the prestressed structure is adopted, the rigidity and bearing capacity are improved, meanwhile, the horizontal web adopts a dense-rib sandwich construction form, the consumption of concrete in the horizontal web is reduced, the self-weight is reduced, and the material cost is saved. Therefore, the construction cost is reduced and construction is simplified on the premise that the bearing capacity, the integrity and the safety are guaranteed, and the beam plate is applied to overpass construction and has very obvious economic benefit.

The invention discloses a corrugated steel web plate-steel pipe concrete flange combined section T-shaped column which is formed through welding web plate H-shaped steel and web plate T-shaped steel or welding two web plates and three flanges, wherein web plates are corrugated steel web plates which are curvilinear, polygonal-shaped or trapezoid; the periodically repeated corrugated edges of the corrugated steel web plates are perpendicular to the length direction of a member; the non-corrugated edges of the corrugated steel web plates are respectively welded with the middle points in the width directions of the flanges; the flanges are steel pipe concrete flanges; the steel pipe concrete flanges comprise steel pipes and concrete in the steel pipes; the concrete is self-compacting concrete. According to the corrugated steel web plate-steel pipe concrete flange combined section T-shaped column, the stress performance of a conventional solid web type specially-shaped steel column and the stress performance of a truss type web member specially-shaped steel column are improved, and the comprehensive manufacturing cost of engineering is not obviously increased, so that a specially-shaped column structure can be widely applied to multiple high-rise buildings.

The invention discloses an internal and external supporting rod type cable-arch structure. The internal and external supporting rod type cable-arch structure comprises an upper chord beam. The upper chord beam is provided with a plurality of sets of chord inhaul cables. Each set of inhaul cables include an upper inhaul cable and a lower inhaul cable, wherein the upper inhaul cable and the lower inhaul cable are arranged on the upper side and the lower side of the upper chord beam and are respectively in a V type, an opening of the upper inhaul cable is downward, an opening of the lower inhaul cable is upward, the front free ends and the rear free ends of the upper inhaul cable and the lower inhaul cable are hinged to the upper chord beam, the hinge points on the same side coincide, an upper supporting rod is downwards arranged from the folding point of the upper inhaul cable and located between the folding point and the upper chord beam, a lower supporting rod is upwards arranged from the folding point of the lower inhaul cable and located between the folding point and the upper chord beam, and the upper supporting rod and the lower supporting are hinged to the same point on the upper chord beam. A front hinge point of a rear set of chord inhaul cables coincides with the hinge point of a front set of supporting rods. A rear hinge point of a front set of chord inhaul cables coincides with the hinge point of a rear set of supporting rods. After a certain upper inhaul cable or lower inhaul cable loses efficacy, the whole structure will not immediately lose efficacy, collapse resistance is improved, the height of the whole section increases, and the bearing capacity is largely improved.

The invention discloses a honeycomb-shaped web special-shaped steel column with an L-shaped section. The honeycomb-shaped web special-shaped steel column comprises a first plain steel plate flange, a second plain steel plate flange, a third plain steel plate flange, a first steel web, a second steel web and holes; one side edge of the second steel web is perpendicularly connected with the edge of the first steel web, and the other side edge of the second steel web and two side edges of the first steel web are respectively connected with the first plain steel plate flange, the second plain steel plate flange, the third plain steel plate flange together to form the special-shaped steel column with the L-shaped section; the first steel web and the second steel web are honeycomb-shaped webs of which the middles are provided with the holes; each of the first steel web and the second steel web respectively consists of two steel plates of which the edges are provided with notches and the shapes are the same; every two corresponding steel plates are welded by a butt-jointed seam to form one honeycomb-shaped web. According to the invention, the structural behaviors of the conventional solid-web special-shaped steel column with an L-shaped section and the conventional trussed special-shaped steel column with an L-shaped section are improved, and the comprehensive cost of the construction is controlled.

The present invention discloses an artificial magnetic conductor unit, an artificial magnetic conductor structure and a planar antenna. The artificial magnetic conductor unit comprises a metal periodic patch, a metal via hole, a metal ground plate and a dielectric substrate, wherein the metal periodic patch consists of a square patch with a hollowed center and a spiral line, the spiral line is arranged at the hollowed center part of the square patch and is connected with the square patch, the spiral line is connected with the metal ground plate through the metal via hole, and the metal periodic patch is etched on the dielectric substrate. The artificial magnetic conductor structure comprises the plurality of artificial magnetic conductor units which are distributed periodically, and the planar antenna comprises an antenna oscillator and the artificial magnetic conductor structure arranged below the antenna oscillator. As the artificial magnetic conductor structure is used as a planar base station antenna reflecting plate, the height of the antenna can be reduced to 1/3 of the original height of the antenna, and the artificial magnetic conductor structure is simultaneously adapted to a plurality of polarized antennas, thus wide application range is achieved.

The invention discloses a cellular steel web-concrete filled steel tube flange H-shaped section composite column, comprising a concrete filled steel tube flange 1, a concrete filled steel tube flange 2 and a steel web, wherein the steel web is arranged between the concrete filled steel tube flange 1 and the concrete filled steel tube flange 2; the steel web is a cellular web with a hole in the center, and is composed of two steel plates which are same in shape and are provided with gaps in the edges; the two steel plates are welded through a butt weld joint to form the cellular web. On the premise of not increasing steel materials, relatively high bending strength and rigidity are obtained, and the stable bearing capacity is improved.

The invention discloses a honeycomb-shaped steel web and steel pipe concrete flange combined T-shaped section column. The honeycomb-shaped steel web and steel pipe concrete flange combined T-shaped section column comprises a first steel pipe concrete flange, a second steel pipe concrete flange, a third steel pipe concrete flange, a first steel web, a second steel web and holes; one side edge of the second steel web is perpendicularly connected with the middle part of the first steel web and the other side edge of the second steel web and two side edges of the first steel web are respectively connected with the first steel pipe concrete flange, the second steel pipe concrete flange and the third steel pipe concrete flange together to form the special-shaped steel column with a T-shaped section; the first steel web and the second steel web are honeycomb-shaped webs of which the middles are provided with the holes; each of the first steel web and the second steel web respectively consists of steel plates of which the edges are provided with notches; the steel plates are welded by butt-jointed seams to form the honeycomb-shaped webs. According to the invention, the structural behavior is improved without obviously increasing comprehensive cost, so that the special-shaped column structure is more widely applied to multi-storey and high-rise residences.

The invention relates to a flexural reinforced RC beam bearing capacity solving method, electronic equipment and a readable storage medium. The method comprises the steps of creating an FRP flexural reinforced RC beam calculation model; receiving relevant parameters of the concrete, the steel bars and the FRP grid material; and solving the FRP flexural reinforcement RC beam calculation model according to the related parameters of the concrete, the steel bars and the FRP grid material. According to the invention, the defect of FRP sheet reinforcement can be effectively overcome, the calculationmethod suitable for the flexural capacity of the FRP grid flexural reinforced RC beam is provided, and the blank of the existing specification and research in the field of FRP grid flexural reinforced RC structures is filled up.

The invention belongs to the field of antenna design, and relates to a small broadband PIFA antenna and a design method thereof. According to the PIFA antenna, the groove penetrating through the ground plane is formed in the current flowing area of the ground plane of the PIFA antenna in the current flowing direction, so that the current path is increased, and the purpose of expanding the bandwidth is achieved. The small-sized broadband PIFA/MIMO antenna provided by the invention can work in wider mobile communication frequency bands such as Wi-Fi/WiMAX/5G and the like, and on the basis of ensuring miniaturization of the PIFA antenna, namely on the premise of not adding branches or increasing the profile height of the antenna, the working bandwidth of the antenna is expanded, and the working performance of the antenna is improved; and the device can be easily integrated on wireless equipment to meet more application requirements.

The invention discloses a construction method of a bonded prestressed structure for reinforcing a hollow slab bridge. The anchoring toothed plate is mounted at the bottom of the hollow slab by the bonding prestressed structure; three steel strands of phi j8.6 are installed and tensioned; shear bars are arranged and a steel wire mesh is installed at the bottom of the plate; and high-strength tensile mortar is jetted in batches in the areas of the prestressed tendons and the toothed plate. The bonded prestressed structure for reinforcing the hollow slab bridge is convenient and rapid to construct, and through the prestressed steel strand and the tensile mortar applied to the bottom of the hollow slab, the bearing capacity of the hollow slab can be effectively improved, the section height is increased, the structural rigidity is improved, and the structural durability is remarkably improved; compared with a traditional prestress reinforcing method, under the condition that the bearing capacity is improved at the same level, the structure is simple, the self weight is light, the structure size of newly-added concrete can be reduced, the increased self weight of the hollow slab is reduced, and the prestress reinforcing effect is improved.

The invention discloses a reinforced concrete beam and slab structure of a rear steel structure continuous beam. The structure comprises multiple reinforcing beams which are spliced from head to tail,the reinforcing beams are located on the low positions of original floors, the ends of the reinforcing beams are fixed to the side faces of adjacent original beams, the head and the tail between theadjacent reinforcing beams are spliced and fixed through splicing parts, the splicing parts cross the tops of adjacent original floors of the two sides of the original beams, and the splicing parts are spliced and fixed with a reinforcing beam through through holes formed in the original floors. In the reinforced concrete frame structure, the self weight can be reduced, and the anti-bearing capacity of the original beams and the original floors can be improved.