2192results about "Pillars" patented technology

Crown beam (100a, 100b, 100c, 100d) for a roof construction comprising a crown beam profile (10) and a gutter profile (110a, 110a'), for instance a gutter profile for collecting precipitation or a gutter profile for receiving conduits, wherein the crown beam profile (10) has an upper wall (11), a front wall (12) against which rafter profiles are for instance fixable, a rear wall (13) and a lower wall (14), wherein the crown beam profile (10) is provided with an elongate cavity (16) in which a screen roller (200) or a carrier profile (300) is receivable, wherein the lower wall is configured to be coupled to the gutter profile (110a, 110a'), wherein the gutter profile can be fixed pivotally to the lower wall and an intermediate profile (120) can be mounted removably between a bottom (114) of the gutter profile and the lower wall of the crown beam profile.

The invention discloses a circular wooden column-hole-hidden graphite hardwood-graphite layer-along-column foundation stone seismic isolation system which is mainly used for seismic isolation and self-resetting of the bottom of a wooden structure circular wooden column. The shock insulation system is composed of a round wooden column, hole-hidden graphite hardwood, concave spherical surface belt limiting edge column foundation stone, a graphite layer and an annular tempered glass sealing plate. The hole-hidden graphite hardwood is composed of a convex spherical section, a thick cylindrical section, a graphite-hidden hole and a thin cylindrical connecting key which are integrally processed, and the thin cylindrical connecting key is inserted into the round hole in the bottom of the round wooden column to achieve positioning butt joint. The graphite layer can reduce the friction force between the convex spherical surface of the hole-hidden graphite hardwood and the concave spherical surface of the column foundation stone. The concave spherical surface of the column foundation stone enables the round wooden column to reset automatically after an earthquake, and the limiting edge of the column foundation stone can limit excessive displacement of the bottom of the round wooden column in the vibration process. And the annular toughened glass sealing plate can be sealed and waterproof. The seismic isolation system has the advantages of reducing the seismic action of an upper structure through bottom seismic isolation of the circular wooden columns and achieving structural toughness seismic resistance through self-resetting after an earthquake.

The invention relates to the field of steel member engineering, in particular to a prestressed concrete combined double-chamber box-section bent steel member and a manufacturing method thereof, and the manufacturing method comprises the following steps: S1, welding an inner box chamber and forming an assembly hole; s2, first bolts and second bolts are inserted into the assembly holes; s3, first bolts and second bolts are initially screwed to apply inward prestress to the two webs and the two flange plates, and the side wall of the inner box chamber is made to generate inward concave elastic pre-deformation; s4, welding the outer box chamber and the reinforcing plate; s5, an expansion material is injected into a cavity of the inner box chamber; s6, the expansion material expands to enable deformation of a web plate and a flange plate of the inner box chamber to be reset to the design form; and S7, finally screwing the bolt and stabilizing the pressure. The circumferential confining pressure state of the expansion material is achieved through the prestress bolt system, the compressive strength of the expansion material is multiplied, and therefore the axial compression buckling ultimate load, the compressive bearing capacity and the stability of the bending component are greatly improved.

The invention relates to the field of buildings, in particular to an externally-reinforced concrete-filled steel tube column and a peak bearing capacity calculation method, and the externally-reinforced concrete-filled steel tube column comprises a steel tube and core concrete located in the steel tube; a UHPC layer is poured on the outer ring of the steel pipe, the section of the outer ring of the UHPC layer is square, and the center line of the UHPC layer coincides with the axis of the steel pipe. Stirrups located on the outer ring of the steel pipe are embedded in the UHPC layer, and longitudinal steel bars are arranged on the inner ring of the stirrups in the vertical direction. The invention provides an external reinforcement type concrete filled steel tubular column. The method can reinforce the concrete filled steel tube with the annular void area, so that the actual bearing capacity of the concrete filled steel tube exceeds the original design value level. The invention further provides a method for calculating the peak bearing capacity of the externally-reinforced concrete-filled steel tube column, the peak bearing capacity of the reinforced concrete-filled steel tube can be quantitatively evaluated, and a theoretical basis is provided for subsequent use and maintenance of the concrete-filled steel tube.

The utility model provides a steel bar bundling and positioning device, which relates to the field of building construction and comprises a knob and a positioning frame. The rotary button is rotationally connected with the connecting frame; the connecting frame is nested on the outer side surface of the frame rod; the positioning frame comprises a clamping rib, an adjusting sleeve, an adjusting knob, a threaded rod, a sliding sleeve, a clamping ring, a clamping plate and a clamping nut; the adjusting knob is welded and connected to the unthreaded surface of the outer side of the threaded rod; the clamping plate is in welded connection with the sliding sleeve; the rear end of the clamping rib is welded to the front side face of the adjusting sleeve. The sliding sleeve is slidably connected to the outer side face of the frame rod. The clamping ring is screwed with the clamping nut through threads; a forward thread end and a reverse thread are arranged on the outer side surface of the threaded rod; through the arrangement of the threaded rod, the adjusting sleeve, the U-shaped clamping ring, the clamping plate, the rotating button and the frame rod, the positioning and bundling universality of the column bar positioning frame is improved, and the problem that the positioning and bundling universality of column bars is poor due to the fact that a positioning structure of a traditional column bar positioning frame is rigid and fixed is solved.

According to the diffusion type six-degree-of-freedom pose estimation-based steel column bottom plate prizing-free downward insertion method, the performability problem of one-time prizing-free downward insertion of a steel column bottom plate under the condition that a porous array is in a limited space and disturbed is solved, a task window is established under a unified construction coordinate system, and bolt axes and hole centers are collected and registered according to array topology; predictive interference is eliminated through diffusion type six-degree-of-freedom pose estimation with insertion constraint preposed, an allowable insertion pose range tightened along with the height is generated according to clearance and safety margin, and a downward insertion channel and an insertion constraint set are constructed in a communicating mode; tubular model predictive control is established in a feasible region, bounded disturbance of wind disturbance and swing is considered, a nominal trajectory and a segmented speed limit value of a channel center are formed, input shaping swing suppression and online monitoring are implemented, and withdrawing and rapid regeneration control are performed along a channel when necessary; the method is used for installation of simultaneous sleeving of multiple holes in the steel column bottom plate, and has the beneficial effects that the minimum clearance is kept not lower than the safety margin, lateral contact and prying are avoided, and the forbidden area is not touched under the limited space and disturbance.

The invention relates to the field of steel member engineering, in particular to a high-strength steel combined multi-chamber box-section bent steel member and a manufacturing method thereof, and the manufacturing method comprises the following specific steps: S1, obtaining the design form of the steel member; s2, preparing an outer side chamber of the steel member; s3, prestress is applied to the outer side chamber in the axial direction of the outer side chamber so that the outer side chamber can be bent to a first form, a first eccentric value of the first form is obtained, and the first eccentric value is larger than the designed eccentric value; s4, top pressure towards the inner side of the bend is applied to the first form to a second form, the second form is in a pre-tightening state, a second eccentric value of the second form is obtained, and the second eccentric value is smaller than the designed eccentric value; s5, the outer side chamber is kept in the second form, and the matched inner side chamber is welded to obtain the steel member; and S6, after the force is unloaded, the inner side chamber is subjected to pre-tensile stress, the outer side chamber is subjected to pre-compressive stress, and the steel member is obtained. Pre-tensile stress is applied to the inner side of the steel member, pre-compressive stress is applied to the outer side of the steel member, and therefore the axial compression buckling ultimate load of the bent steel member is increased.

The invention belongs to the technical field of added elevators, and discloses a fast-assembly type added elevator steel structure main body and a preparation and assembly method thereof, and the fast-assembly type added elevator steel structure main body comprises a hoistway, a door frame and a corridor. The hoistway is composed of four vertical stand columns and a plurality of transverse beams, the ends of the beams are connected with the connecting faces of the stand columns through connecting pieces, each connecting piece comprises a pair of triangular pieces formed by three steel plates perpendicular to one another, a first plate is connected with the stand columns, a second plate is connected with the beams, and a third plate is an inclined strut reinforcing rib. The door frame comprises door head steel beams between the front stand columns, sill steel beams and landing door stand columns between the sill steel beams, the corridor is connected with the outer sides of the sill steel beams, and through holes in the ends of the edge beams are matched with kidney-shaped holes of the mounting bases to adjust the position. The square pipe joints of the front stand column and the rear stand column are staggered in position. The device is fast to install, stable in structure, convenient to adjust, convenient to overhaul and maintain and suitable for the elevator adding project of the existing building.

The invention discloses a natural ventilation cooling tower and a dumbbell-shaped concrete filled steel tube cross strut thereof, the dumbbell-shaped concrete filled steel tube cross strut comprises four dumbbell-shaped steel tube limb columns and cross nodes, and the end parts of the dumbbell-shaped steel tube limb columns are connected with the cross nodes to form a cross structure; the cross joint comprises a vertical stiffening plate, an upper reinforcing ring, a lower reinforcing ring, a plurality of joint sleeves and a plurality of joint webs, the upper reinforcing ring and the lower reinforcing ring are perpendicularly crossed with the vertical stiffening plate, the joint webs are connected with the joint sleeves, and the joint sleeves, the joint webs, the upper reinforcing ring and the lower reinforcing ring form a dumbbell-shaped structure with the vertical stiffening plate as the central axis. Open holes are formed in the reinforcing rings and used for pouring and circulation of concrete, the four dumbbell-shaped steel pipe limb columns are arranged at the open holes of the upper reinforcing ring and the lower reinforcing ring, and a closed space is formed by the joint sleeve, the joint web, the upper reinforcing ring, the lower reinforcing ring and the four dumbbell-shaped steel pipe limb columns. The problem of material waste caused by rich in-plane directional bearing capacity of a circular section can be solved.

Modular panels with custom metal frame members having cutouts to accommodate building services. These modular panels are open for visual inspection and can be used in various construction applications such as floors and walls. The cutouts in the metal frame members allow for the routing of building services such as plumbing, wiring, fire sprinkler, HVAC, whether rigid or flexible. The modular construction process involves the placement of module panels at a build site and the joining of building services between adjacent panels. Additionally, the system may incorporate a building information modeling (BIM) system that generates electronic models of buildings with modules and corresponding framing components.

A building construction stud and sheathing panel are affixed together by at least one fastener. A stud end cap terminates the stud. The stud has an outer wall that defines a pair of plastic sheathing faces and first and second side walls, and at least one longitudinally extensive void space. At least one fastener anchoring and structurally reinforcing member is contained substantially within the interior of the stud outer wall. In some embodiments, the fastener anchoring and structurally reinforcing member comprises a plurality of longitudinally extensive stud wall ribs protruding internally from the first sheathing face. In other embodiments, cell dividers are provided that are parallel with and spaced slightly from the first and second sheathing faces. In yet other embodiments, internal reinforcing members define an “X”-geometry within the cells. These fastener anchoring and structurally reinforcing members are configured to increase stiffness and strength, and also enhance fastener engagement.

The invention discloses a natural draft cooling tower and a lattice type concrete filled steel tube cross strut thereof, the lattice type concrete filled steel tube cross strut comprises four lattice columns and cross nodes, the end parts of the lattice columns are on the same plane and are connected with the cross nodes to form an X-shaped structure, and each lattice column comprises a concrete filled steel tube column limb and a web member for connecting the adjacent concrete filled steel tube column limbs; the cross joint comprises two joint branch assemblies and a joint belly assembly connected with the two joint branch assemblies, and each joint branch assembly comprises a joint panel, a first covering panel and a second covering panel, wherein the first covering panel and the second covering panel cover the joint panel. The joint face plate comprises a joint top plate, a joint bottom plate, a joint stiffening plate and a reinforcing ring plate, the joint stiffening plate and the reinforcing ring plate are arranged between the joint top plate and the joint bottom plate, and open holes are formed in the joint top plate, the joint bottom plate and the reinforcing ring plate and used for concrete pouring and circulation. And the four latticed columns are arranged at the holes of the node top plates and the node bottom plates of the two node branch assemblies. The use amount of strut steel and concrete is reduced, and the construction speed and the construction quality are improved.

A modular structural element (20) which is arranged to be connected to another such element so as to form an assembled structure, wherein the modular structural element is of substantially square outline or of substantially hexagonal or half-hexagonal outline, and the element comprises a principal height dimension and a principle lateral dimension, wherein, a ratio of the two said principal dimensions is no more than 6.

The invention relates to a steel pipe internally and externally wrapped FRP and then confined concrete combination column and a manufacturing process thereof, and belongs to the technical field of civil engineering. The technical problems that an existing concrete-filled steel tube combination column with the outer wall pasted with FRP can only protect the outer wall of a steel tube from being rusted, and a component is poor in structural stress are solved. The steel pipe internally and externally wrapped FRP and then confined concrete combination column comprises an outer wrapping layer, a first structural adhesive layer, a steel pipe, a second structural adhesive layer, an inner wrapping layer and a concrete layer which are sequentially arranged from outside to inside. And the inner coating layer and the outer coating layer are respectively made of a fiber reinforced composite material. The steel tube internally and externally wrapped FRP and then confined concrete combination column is high in bearing capacity, good in durability, convenient to construct and assemble, good in construction quality control and good in fire resistance, can better cope with transverse stress and anti-corrosion environments of medium-long structural columns such as cross-sea bridges and offshore platforms, and is suitable for structures such as industrial and civil buildings, bridges and offshore platforms.

The invention relates to a space curve prestress composite beam column and a design method thereof. The bottom of the space curve composite beam column is vertically upward, the tail end overhanging part is approximately horizontal, and the middle part is connected with the horizontal prestressed concrete closed beam to form a space structure. The horizontal closed prestressed beam and the space curve composite beam column support each other, the constraint boundary condition of the space curve composite beam column is changed, and the internal force distribution and magnitude of the space curve composite beam column are changed. According to the space curve composite beam column with the horizontal closed prestressed beam, the anti-cracking and anti-bending performance of a component is improved, and the deformation performance of the component is also improved. Therefore, the structure is particularly suitable for large cantilever structures with high deformation and bearing capacity.

The invention discloses a reinforced concrete prefabricated column, a prefabricated column and cast-in-place beam connecting node and a construction method, one end of a prefabricated column main body is provided with a longitudinal exposed reinforcing steel bar (with a threaded structure), the other end of the prefabricated column main body is provided with a supporting sleeve and a reinforcing steel bar connector, and a beam plate structure is provided with a positioning sleeve; the supporting sleeve is matched with the positioning sleeve (having the double functions of precise positioning and temporary supporting), the steel bar connector is matched with the longitudinally exposed steel bar with the threaded structure, and the integrated solution of supporting, positioning and connecting is achieved.

The utility model belongs to the technical field of civil engineering, and relates to a recoverable foundation pit steel stand column penetrating floor connecting structure. According to the technical scheme, the floor slab connecting device comprises a steel plate frame, an external steel bar connecting plate, an adjusting bolt and a sleeve; the steel plate frame is sleeved outside the steel stand column; a horizontal sleeve is outwards arranged on the side edge of the steel plate frame; the adjusting bolt is screwed into the sleeve and abuts against the side wall of the steel stand column. The external steel bar connecting plate is welded outside the steel plate frame and used for being connected with outer floor steel bars outside the steel stand column. And the steel stand column is pulled out by unscrewing the adjusting bolt. The floor slab connecting device further comprises an internal reinforcing steel bar connecting plate which is arranged in a floor slab hole in the steel plate frame after the steel stand column is pulled out and connected with a floor slab reinforcing steel bar in the hole. The steel stand column is simple and convenient to construct, can be reused and is high in universality.

To provide a weld assembly box type cross section member which does not require a large manufacturing facility, can suppress a heat input amount during welding, and can be manufactured with a small number of man-hours.SOLUTION: In a weld assembly box type cross section member 1 where corner weld is performed in a state where four skin plates are assembled so as to become a rectangular cross section, a first skin plate 11 and a second skin plate 12 are arranged on a pair of surfaces opposing to each other, and a third skin plate 13 and a fourth skin plate 14 are sandwiched by the first skin plate and the second skin plate on the other pair of surfaces opposing to each other, and grooves are provided on both ends in the width direction of the first skin plate, but grooves are not provided on the second skin plate. Out of both ends in a width direction of the third skin plate and the fourth skin plate, a groove is not provided on one end corner-welded with the first skin plate, and a groove is provided on an outside surface side of the weld assembly box type cross section member on the other end corner-welded with the second skin plate, and corner weld is performed at the groove.SELECTED DRAWING: Figure 1

The invention provides a structure and method for reducing the steel consumption of a single-stand-column photovoltaic support steel column, and belongs to the technical field of photovoltaic support design. The structure comprises a cast-in-place pile, a steel column, an inclined strut, an inclined beam, a purline and a photovoltaic assembly; the steel column comprises a lower stand column and an upper stand column arranged above the lower stand column, and the installation position of the steel column is arranged outside the center of the photovoltaic module in a bias mode and coincides with the vertical projection of at least one row of purlines. Through the offset design, the bending moment of the column bottom is reduced by 20%-50%, the stability of the steel column is improved, and the deformation risk is reduced; after the column bottom bending moment is reduced, the section of the steel column can be optimized and reduced, and the steel consumption is reduced by 20-30%, so that the material cost is reduced; meanwhile, after the column bottom bending moment is reduced, the pile foundation bearing requirement is lowered, the size or depth of the cast-in-place pile can be reduced, the use amount of concrete is reduced, and therefore the construction cost is saved by 15%-25%.

The invention relates to a prefabricated beam column assembly type connecting joint structure and a construction method.The prefabricated beam column assembly type connecting joint structure is used for simplifying procedures and improving the connecting quality of a prefabricated beam and a prefabricated column and comprises an I-shaped steel rib pre-buried at the end of the prefabricated beam, and a steel column pre-buried at the end of the I-shaped steel rib; a concave space is formed in the middle lower position of an end web plate; the vertical steel ribs are embedded in the prefabricated columns; the steel corbel is connected to the side part of the vertical steel rib and extends out of the prefabricated column, and the steel corbel is in an inverted T shape and is matched with the concave space; according to the connection structure, connection of the precast beam and the precast column is converted into connection of the I-shaped steel rib, the vertical steel rib and the steel corbel, the efficiency is higher than that of steel bar connection, and the steel corbel provides positioning and supporting for the I-shaped steel rib through the guide positioning block; the butt joint quality of the prefabricated beam and the prefabricated column can be guaranteed, a temporary support is omitted, and the construction complexity and difficulty are reduced.

The utility model relates to a door type flat plate net rack closed workshop under a steel plant area limited space, which comprises a vertical bearing and a roof net rack, the vertical bearing is divided into an upper section and a lower section, the lower section is a steel column, the upper section is a net rack structure consisting of a connecting rod piece and a bolt ball, the net rack structure is arranged on the steel column through a connecting support, and the roof net rack is arranged on the steel column. The roof net rack is formed by connecting a connecting rod piece and a bolt ball, and the net rack structure is connected with the roof net rack through the bolt ball and the connecting rod piece. The problem that double steel stand columns cannot be arranged in a limited space is solved, the steel structure factory building is more compact in structure, the bearing capacity of the steel columns is reduced, the size and depth of a buried foundation are correspondingly reduced, interference between surrounding buildings and structures is avoided, the construction cost is reduced, and the steel structure factory building is suitable for being built in a space-limited site.

The invention relates to the technical field of building structure construction, and provides a prefabricated assembly type copper slag steel pipe concrete-H-shaped steel beam column joint. Comprising a copper slag steel pipe concrete column, an annular hoop piece, a lower column prefabricated upper end plate, a connecting device, an upper column prefabricated lower end plate, a first L-shaped steel plate, a second L-shaped steel plate, a bolt fastening piece, a convex sliding rail, an L-shaped steel groove, an H-shaped steel beam and special-shaped I-shaped steel. The lower column prefabricated upper end plate is arranged on the lower side of the copper slag concrete-filled steel tubular column, and the upper column prefabricated lower end plate is arranged on the upper side of the copper slag concrete-filled steel tubular column. According to the H-shaped steel beam column joint, connecting, splicing and positioning and placing of the concrete-filled steel tubular column and the H-shaped steel beam column joint can be more concise and convenient, on-site construction steps are saved, and the complexity degree is reduced; the construction method has the advantages that the construction cost is reduced, the construction efficiency is improved, the bearing capacity and durability of the joint can be effectively improved through beam-column joint connection, and good engineering application prospects are achieved.

The invention provides a steel reinforced concrete column fixing device and a construction method thereof. The steel reinforced concrete column fixing device comprises a supporting frame erected on the periphery of an object to be fixed. Wherein at least two side walls of the supporting frame are movably connected with adjusting fasteners, a supporting plate is arranged at one end, close to the to-be-fixed object, of each adjusting fastener, and each supporting plate abuts against the corresponding side face of the to-be-fixed object through the corresponding adjusting fastener. The steel reinforced concrete column fixing device provided by the invention can solve the problem that a reserved section steel column in an existing steel reinforced concrete column is easy to move.

The invention relates to the technical field of buildings, in particular to a constructional column applied to an ACC plate wall door opening side and a construction method. The prefabricated constructional columns and the prefabricated ACC plates are prefabricated in a factory and are assembled and connected with the prefabricated ACC plates through concave-convex splicing structures, and supporting parts are arranged at the tops of the prefabricated constructional columns and the prefabricated ACC plates to bear loads above door openings. Inclined through holes are formed in the prefabricated constructional columns, reinforcing steel bars with spiral threads are inserted into the through holes, bonding materials are poured into the through holes, and a cable-stayed-extruded composite stress system is formed. During construction, plastering-free high flatness is achieved through dry method assembly, and the bottom is fixed through a connecting piece. The problems that cast-in-place constructional columns are low in construction efficiency and prone to cracking are solved, the structural stability of the door opening is improved, and the method is suitable for efficient construction of fabricated walls.

The utility model discloses a corrugated plate self-resetting device suitable for a concrete filled steel tube latticed column, which comprises concrete filled steel tube column limbs, horizontal batten tubes and corrugated plate self-resetting devices, and the horizontal batten tubes and the corrugated plate self-resetting devices are alternately arranged between the two concrete filled steel tube column limbs; the corrugated plate self-resetting device is composed of a lug plate pair, a cover plate pair, a disc spring set, a split bolt set, a polytetrafluoroethylene plate and a viscoelastic plate. Under the action of a horizontal force earthquake, the concrete-filled steel tube column limb laterally moves to drive the lug plates to move up and down, the upper cover plate and the lower cover plate are pushed to be opened in the front-back direction through the meshing action of the corrugated plates on the lug plates and the corrugated plates on the cover plates, the disc spring sets on the split bolts are compressed to generate reset force, the upper cover plate and the lower cover plate are reversely extruded, and the lug plates and the concrete-filled steel tube column limb are pushed to reset. By means of the corrugated plate self-resetting device, earthquake residual deformation of the long and thin steel pipe concrete latticed column can be eliminated, stiffness mutation of a traditional tooth-shaped plate resetting device at the initial position is avoided, and the problem that the long and thin steel pipe concrete latticed column is insufficient in seismic toughness during an earthquake is solved.

The invention provides a mortise and tenon joint 3D printing concrete wall column connecting structure and a construction method thereof. The mortise and tenon joint 3D printing concrete wall column connecting structure comprises a 3D printing concrete wall formwork set, a 3D printing bearing column formwork, a wall reinforcing mesh, a bearing column reinforcing cage, post-pouring concrete and a UHPC reinforcing concrete layer. Wherein a connecting area is arranged at the top end of the 3D printing bearing column mold shell; the 3D printing concrete wall formwork set is provided with a plurality of wall formworks, each wall formwork is provided with a connecting part, and the connecting parts can be in mortise and tenon interlocking with the connecting areas so as to form a cylindrical structure matched with the 3D printing bearing column formworks. Loads are transferred through mechanical connections and by means of geometric interactions between the members. By means of the interlocking structure, the contact area can be increased, and the shear capacity of the interface can be improved through shape constraint. And the strength and the rigidity of the connecting structure are further enhanced by filling UHPC (Ultra High Performance Concrete). Connection reliability can be improved, cost can be saved, industrialization and greenization of modern buildings are achieved, and a sustainable building mode is formed.

The invention discloses a dry coal shed steel structure net rack supporting column, and relates to the technical field of steel structures, the dry coal shed steel structure net rack supporting column comprises a bottom plate, a guide groove is formed in the bottom plate, a base is fixedly connected to the bottom surface of the bottom plate, a mounting groove is formed in the base, a guide rail is fixedly connected to the bottom plate, a plurality of sets of sliding blocks are slidably connected to the guide rail, and the sliding blocks are fixedly connected to the bottom plate. One side of the sliding block is fixedly connected with a limiting column, the limiting column is slidably connected to the interior of the guide groove, one end of the limiting column is fixedly connected with a lantern ring, the top surface of the sliding block is fixedly connected with a supporting column body, the surface of the supporting column body is sleeved with a sleeve, and the surface of the sleeve is fixedly connected with a pin column; a linkage plate is rotationally connected to the pin column. The coal shed is reasonable in structure, the whole structure of the coal shed is built through the supporting assemblies, then the distance between the supporting column bodies can be adjusted through the limiting assemblies, and then the multiple bottom plates can be connected through the butt joint assemblies.

The utility model relates to an assembly type reinforced concrete column member which comprises column body concrete, common longitudinal bars, stirrups, first embedded parts and second embedded parts, the common longitudinal bars are bundled and fixed through the stirrups, and meanwhile the common longitudinal bars and the stirrups are arranged in a column body of the assembly type reinforced concrete column member and do not penetrate through a column section connecting interface. The first embedded part is arranged on the lower portion of the assembly type reinforced concrete column component and extends out of the column bottom, the second embedded part is arranged on the upper portion of the assembly type reinforced concrete column component and extends out of the column top, the common longitudinal bars and the stirrups form a column body reinforcement cage poured with column body concrete, and a post-pouring concrete area of an upper-layer column connection node and a lower-layer column connection node is only concentrated within the plate thickness range. Compared with a traditional mode concentrated within the beam height range, the post-pouring area is greatly reduced, meanwhile, the upper-layer column and the lower-layer column do not need to be connected through a large number of steel bars, and only a small number of embedded parts need to be connected. The structure is simple, construction is convenient, cost is saved, and good engineering advantages and economic benefits are achieved.

According to the beam-column stainless steel joint suitable for the ocean island reef environment, a stainless steel annular partition plate is arranged in a stainless steel sleeve, and a plurality of structural stainless steel bars used for being connected with prefabricated columns are welded to the upper side and the lower side of the stainless steel annular partition plate; a stainless steel beam support and an I-shaped profile which are connected with the precast beam are arranged on the outer side of the sleeve and are fixed through a stainless steel bolt anchor connecting piece. The prefabricated beams and the prefabricated columns are made of stainless steel, fiber reinforced composite material profiles and seawater and sea sand fiber cement-based composite materials. Stainless steel sleeves are used for restraining expansion of the prefabricated columns, stainless steel ribs are constructed to enhance the bending-shear resistance, I-shaped profiles improve the shear resistance of the joints, and stress optimization is achieved; the stainless steel material and the full-steel-free design effectively resist seawater corrosion; the beam support has a template function, construction is simplified through bolt-anchor connection, and the beam support is suitable for rapid assembly in the ocean island reef environment. The method has the advantages of high durability, strong bearing capacity and convenience in construction, and the maintenance cost in the marine environment is obviously reduced.

The invention provides a rusted reinforced concrete column reinforced by FRP bar-net combination and a reinforcing method. The rusted reinforced concrete column comprises a concrete column body, and the concrete column body is provided with a to-be-reinforced part and rusted steel bars exposed after a concrete protection layer of the to-be-reinforced part is chiseled away; the FRP rib-net combination layer is formed by bonding FRP ribs and FRP grids, is wound on the outer side of the concrete column core area after the concrete protection layer is chiseled away, and provides longitudinal reinforcement and transverse constraint so as to reinforce internal concrete of the to-be-reinforced part; the fixing pieces are used for fixing the FRP rib-net combination layer; the inner side and the outer side of the FRP rib-net combination layer are filled with the ultra-high performance concrete, so that the FRP rib-net combination layer is bonded with the reinforced concrete column, the chiseled concrete protection layer is repaired, and the section of the concrete column is restored to the original size. According to the reinforced structure, the strength and deformation capacity of the internal concrete can be improved, the axial compression capacity, the bending resistance and the shear resistance of the rusted reinforced concrete column are improved, and the durability of the reinforced concrete column is improved.