2931results about "Pillars" patented technology

The present invention relates to the technical field of fabricated buildings. Disclosed is a fabricated steel structure residence system. The fabricated steel structure residence system of the present invention comprises a frame portion and a shear wall portion, wherein the frame portion comprises a special-shaped column, a steel beam and a floor system; and the special-shaped column comprises a steel pipe and a plurality of T-shaped steels arranged along a peripheral wall of the steel pipe. A combined T-O section form of the special-shaped column provided by the present invention can realize relative separation of a pressure from bending on a combined section, such that the fabricated steel structure residence system has good bending bearing capacity and rigidity. The characteristic of an outer T-shaped steel is used such that a full-bolt connection form can be used between the steel beam and the special-shaped column. Moreover, a reinforcement member is provided at a beam-column joint, such that the rigidity and strength of the joint region are improved. In addition, specific structures of a floor system and a shear wall are further optimized, and a corresponding joint connection method is provided, such that the fabricated steel structure residence system that can be quickly assembled and is stable in terms of connection is formed.

The utility model discloses a heat-preservation and energy-saving building column foundation heat-preservation joint which comprises an embedded part, a steel column and a high-strength heat-preservation cushion block. The embedded part comprises a positioning plate and a column foot anchor bolt and is embedded in the positioning plate when a reinforced concrete structural plate is poured, a higher part of the column foot anchor bolt is exposed according to the elevation of a steel column foot bottom plate, a high-strength heat preservation cushion block is arranged on the upper portion of the positioning plate, a hole is reserved in the position, corresponding to the column foot anchor bolt, of the high-strength heat preservation cushion block, and the column foot anchor bolt penetrates through the hole. A steel column base bottom plate penetrates through a column base anchor bolt to fall on the high-strength heat preservation cushion block and is firmly connected with the column base anchor bolt through a nut, a steel cover plate is arranged on the periphery of the steel column, the steel cover plate and the ground surface layer are located on the same horizontal plane, and the space between the steel cover plate and the steel column base bottom plate is filled with foaming polyurethane. On the premise that the structure bearing requirement is met, cold (heat) breaking is conducted on the column foundation part, a heat preservation surface layer does not need to be additionally adopted to wrap a building inner structure column (steel column), the size of the built building inner structure column is appropriate, and building space does not need to be additionally occupied.

The reinforcing structure comprises formworks defining a column body pouring space, profile steel is arranged in the formworks, the reinforcing structure further comprises a plurality of bases surrounding the outer sides of the formworks, baffles are supported on the inner sides of the bases, the baffles are arranged at the gap between the upper formwork and the lower formwork in a blocking mode, the bases are connected with pulling and connecting assemblies, and the pulling and connecting assemblies are arranged on the outer sides of the bases. The tie assembly penetrates through the baffle and a gap between the upper formwork and the lower formwork to be connected with the profile steel, and every two adjacent bases are connected through a connecting assembly. The construction method has the beneficial effects that the internal profile steel is used as an anchoring point, the baffle is tied on the outer side of the formwork, slurry plugging at the position can be achieved, the formwork at the position can be reinforced, and follow-up construction deformation is avoided; the size of the tie and the size of the connecting assembly can be flexibly adjusted, so that the whole structure can meet construction requirements of columns of different shapes and specifications, and the application scene is expanded; the formwork is additionally reinforced through the cross beams which are supported mutually and internally, the overall stability of the formwork is further improved, and the formwork is flexible, adjustable and convenient to turn over.

Provided in the present invention are a prefabricated shear wall and a building room module including same. The prefabricated shear wall comprises a lightweight formwork assembly, a steel skeleton and embedded columns, wherein the steel skeleton comprises a plurality of horizontal connecting members arranged in parallel in the direction of the height of the prefabricated shear wall and a plurality of vertical reinforcing bars penetrating the horizontal connecting members, the horizontal connecting members being configured to provide the stiffness for the building room module when the prefabricated shear wall serves as a wall structure of the building room module. For the prefabricated shear wall and the building room module including same provided in the embodiments of the present invention, using the lightweight formwork assembly can greatly reduce the amount of steel used and the weight of the shear wall, thereby avoiding corrosion prevention and electron shielding problems. Moreover, because the horizontal connecting members and the vertical reinforcing bars are used in the steel skeleton, the problem of a traditional reinforcement cage skeleton structure being difficult to connect to a lightweight formwork assembly and embedded columns is solved; and when the prefabricated shear wall serves as a prefabricated part of a wall structure of the building room module, the horizontal connecting members can provide enough stiffness for the building room module after concrete pouring.

The utility model discloses an assembly type steel column butt joint auxiliary connecting piece which is used for assisting hoisting alignment of a lower steel column and an upper steel column and comprises a connecting piece body, an upper steel column and a lower steel column, and the connecting piece body is an L-shaped steel plate attached to the inner wall of the lower steel column and the inner wall of the upper steel column; connecting bolt holes are formed in the lower steel column and the upper steel column; and the connecting piece comprises a guide section and a connecting section which are distributed up and down. According to the utility model, the connecting section of the connecting piece can be arranged in the lower steel column, the connecting bolt hole corresponds to the locking bolt hole, the connecting bolt hole and the locking bolt hole are fixed through the fixing bolt, then the upper steel column is transported to the position above the lower steel column through hoisting equipment, then the upper steel column is descended, and the upper steel column is connected with the guide section of the connecting piece; the guide section is used for guiding the hoisting alignment process and assisting rapid connection of the upper steel column and the lower steel column, then the connecting piece and the upper steel column are connected through the fixing bolt, the purpose of rapidly completing hoisting butt joint of the upper steel column and the lower steel column is achieved, and construction is rapid and convenient.

The invention relates to the technical field of building construction, in particular to a tubular column foot pre-embedding positioning method and device. The method comprises the steps of obtaining a steel structure construction drawing; constructing a tubular column and embedded foundation bolt construction model according to a steel structure construction drawing; according to the construction model, a positioning relation between the embedded foundation bolts and the vertical main reinforcements is established; construction model collision analysis and a three-dimensional simulation experiment are carried out based on the positioning relation of the embedded foundation bolts and the concrete main reinforcements; and processing and mounting the steel structure device based on the construction model. By optimizing construction nodes, the engineering quality is improved, the problem that the embedded steel plate cannot be reused is solved, the vertical column rib and foundation bolt embedded steel plate grinding tool is controlled to freely stretch out and draw back to control the position of the reinforcing steel bar, the effect of reusing different column diameters is achieved, the construction efficiency is improved, the progress is accelerated, and the construction cost is reduced. And the method has good economic and social benefits.

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 utility model discloses a garden landscape pavilion, which relates to the technical field of gardens, and comprises a pavilion seat, the upper surface of the pavilion seat is fixedly connected with four pavilion columns, a pavilion top, a protection mechanism and two seat plates are arranged above the pavilion seat, the pavilion top and the seat plates are fixedly connected with the pavilion columns, the protection mechanism comprises two servo motors fixedly connected with the pavilion columns, and the servo motors are fixedly connected with the pavilion columns. The output shaft ends of the two servo motors are fixedly connected with protection assemblies rotationally connected with the pavilion columns. According to the landscape pavilion, the pavilion base, the pavilion columns, the pavilion top and the protection mechanism are arranged in a matched mode, when tourists play in a garden and encounter rainy days, rainwater can be shielded through the extensible protection assembly, the rainwater is prevented from floating into the landscape pavilion, and therefore the tourists leaning on the pavilion columns in the landscape pavilion are prevented from being affected; and meanwhile, the protection assembly can be limited, the possibility that the protection assembly is blown and shaken is reduced, and therefore the rain and wind shielding effect of the garden landscape pavilion is guaranteed, and the playing comfort of tourists is 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 discloses a BIM-based assembly prefabricated structure positioning processing device, which relates to the technical field of assembled building construction. The utility model includes: a counterweight chassis, a positioning support assembly, a low-position support member, a lifting and rotating member, a marking positioning member, a positioning plate and other structural components. The utility model uses the positioning plate to initialize the insertion and positioning of the protruding steel bars of the column crane base whose position has been fixed, and then lifts the lifting and rotating member and the positioning plate to perform "high-position" insertion and coordination with the assembled column crane above. At the same time, the marking positioning member is used to perform position positioning coordination with the assembled column crane, and the column crane alignment mark is marked. When the assembled column crane descends and approaches the column crane base, the positioning plate is separated by a secondary rotation, and the pre-adjusted marking positioning member is used to perform real-time dynamic coordination with the column crane alignment mark on the side of the assembled column crane, thereby safely and accurately completing the assembly of the assembled column crane and the column crane base.

The utility model provides a square steel tube concrete combination column internally filled with stones. The square steel tube concrete combination column comprises a square steel tube, a concrete layer and a column core group, the column core group is coaxially arranged in the square steel tube, and the concrete layer is filled in the spare part in the square steel tube; the column core group comprises angle steel, a stone column, a batten plate group and a limiting assembly, the positioning mechanism is used for positioning the array position of the four angle steel, the integrity and the position of the column core column are ensured, the combined column can remarkably improve the axial pressure bearing capacity and the integrity, and the combined column has the advantages of being high in compressive strength, low in manufacturing cost and the like; according to the construction method, local materials are used according to the building characteristics of the Fujian area, waste stone in demolished stone structure buildings is fully utilized in the concrete-filled steel tube combination column structure, the problems of insufficient axial compression strength and bearing capacity of the concrete-filled steel tube combination column structure can be solved, the concrete consumption of a newly-built structure can be greatly reduced, and the construction cost is reduced. The method for reducing the cost and reducing the environmental pollution is a technology which is suitable for the green and sustainable development demand of the society.

The invention discloses a connecting structure and a connecting method of an adjustable prefabricated reinforced concrete beam column, a straight thread reverse thread sleeve is directly pre-buried in the prefabricated reinforced concrete beam during factory prefabrication, and no steel bar is exposed at the beam end. The pre-embedded sleeve is reserved on the prefabricated reinforced concrete column, correction of horizontal and vertical installation deviation in the installation process is facilitated, correction of installation deviation in the beam-column connection axis direction is guaranteed through the adjustable connecting piece, and connection length deviation, horizontal deviation and vertical deviation at the joint can be adjusted within a certain range. After a plurality of in-beam longitudinal bars are anchored through the end plates, the in-beam longitudinal bars are converted into a small number of pre-buried straight-thread reverse-thread sleeves, the number of connecting pieces is greatly reduced, and the workload and difficulty of site prefabrication, installation, construction and alignment are remarkably reduced.

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.

The invention provides a fiber web positioning and reinforcing method for a concrete-filled steel tubular column, and relates to the technical field of concrete-filled steel tubular columns. The fiber net positioning and reinforcing method for the concrete filled steel tubular column comprises the following specific steps that S1, firstly, a steel tube shell is vertically and fixedly installed at the construction position, and then a fiber net and a prefabricated stone column are sequentially hoisted into the steel tube shell through a crane; and S2, then a first inserting plate is inserted into a first inserting groove, a second inserting plate is inserted into a second inserting groove, and at the moment, the fiber net and the prefabricated stone column are positioned and fixed under the action of a first positioning assembly and a second positioning assembly. The multiple first positioning assemblies are arranged on the steel pipe shell, and the multiple second positioning assemblies are arranged on the prefabricated stone column, so that the position of the internal fiber net can be fixed, the fiber net is limited and supported, and the situation that the position of the fiber net is changed in the concrete injection process is effectively avoided.

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 utility model provides a concrete filled steel tube flat cylindrical surface outer beam reinforcing node, the outer contour of the section of a concrete filled steel tube flat column is rectangular, a longitudinal insertion plate is arranged between the middle parts of short edges in the column along the full height, and brackets are arranged at the rear part of a left outer cylindrical surface and the front part of a right outer cylindrical surface according to the same structural form; transverse reinforcing plates are respectively arranged in the left area and the right area corresponding to the joint with the bracket; sealing plates and transverse stiffening ribs are arranged on the portions, on the two sides of a bracket connecting web plate, of the end, connected with the concrete-filled steel tube flat column, of the bracket according to the same structural form, and haunched upper flange plates and underarm flange plates are welded to the portions, between the sealing plates and the outer cylindrical surface of the concrete-filled steel tube flat column, of the upper end of a bracket upper flange and the lower end of a bracket lower flange respectively. The haunching upper flange plate and the haunching underarm flange plate are vertically symmetrical, and plate bodies are inclined and are as wide as the bracket. The utility model solves the problem of column exposure of a high-rise steel structure building structure and the problem of insufficient out-of-plane connection rigidity of a flat column system, and is convenient to construct.

The utility model discloses a bamboo-based composite building profile, comprising a bamboo core layer, wherein the bamboo core layer is composed of hollow round bamboos arranged in a staggered manner according to large and small ends, a bamboo winding layer is arranged on the periphery of the bamboo core layer, the bamboo winding layer is fixedly connected to the bamboo core layer through an adhesive layer, the bamboo winding layer and the bamboo core layer are fixedly connected to form a profile, the bamboo winding layer comprises a multi-layer bamboo strip curtain, the bamboo strip curtain is composed of a plurality of bamboo strips arranged side by side and bonded to a connecting piece, or the bamboo strip curtain is a continuous bamboo strip curtain formed by weaving a plurality of bamboo strips and a connecting piece. The bamboo strips naturally have good mechanical properties of tensile strength along the grain, so as to enhance the bending strength and rigidity of the profile, and greatly improve the bearing capacity of the bamboo-based profile.

The invention discloses a construction method for a large-span truss steel structure roof. The construction method comprises the following steps that 1, roof splicing is completed on a floor slab surface; the joint shaft joint outer lug plate is fixed to the roof; 2, the roof is lifted upwards through a lifting system, and after the roof is lifted to the first height, the assembling jig frame is disassembled; 3, a joint shaft joint inner lug plate fixed to the end of the bifurcated column is inserted between the two joint shaft joint outer lug plates, and a pin shaft is inserted into a pin shaft hole in the lug plate; 4, the roof is lifted step by step, and in the lifting process, the bifurcated columns are adjusted to be in the vertical posture from the inclined posture; continuously lifting the roof to the designed height; and 5, adjusting the posture of the bifurcated column, and connecting the lower end of the bifurcated column with the top of the supporting column. The method solves the problems that the joint shaft of the bifurcated column is difficult to install, the bifurcated column cannot be hoisted in place in a high-altitude narrow space, and the pin shaft of the joint shaft of the bifurcated column is high in high-altitude assembly difficulty.

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 belongs to the field of constructional engineering, and particularly relates to a connecting joint of a prefabricated reinforced concrete column and a prestressed steel reinforced concrete beam and a construction technology. The structure for connecting the joint by adopting the pi-shaped connecting piece is as follows: one end of the prestressed steel reinforced concrete beam is connected with the pi-shaped connecting piece of the prefabricated reinforced concrete column, a concrete layer is arranged at the top of the section steel at the end, the bottom of the section steel is exposed, and a vertically through bolt channel is arranged along the vertical direction; and one end of the prefabricated prestressed steel reinforced concrete beam extends between the upper web plate and the lower web plate of the pi-shaped connecting piece and is in close contact fit with the upper web plate and the lower web plate. According to the structure of the overhanging short beam-flange clamping sleeve connecting joint, an overhanging short beam is arranged at the joint of a prefabricated reinforced concrete column and a prestressed steel reinforced concrete beam, and the prefabricated reinforced concrete column is connected with the prestressed steel reinforced concrete beam through the overhanging short beam on the prefabricated reinforced concrete column; and the prestressed steel reinforced concrete beam is clamped on the flange clamping sleeve at the end part of the overhanging short beam through the flange plate at the end part.

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.

The utility model relates to the technical field of building construction, in particular to a steel pipe concrete jacking device which comprises a steel pipe column, a feeding pipe is arranged on the outer wall of the bottom end of the steel pipe column and comprises an outer pipe and an inner pipe which are integrally formed, the outer pipe is welded and fixed to the outer wall of the steel pipe column, and the inner pipe is a 90-degree bent pipe. The end, away from the outer pipe, of the inner pipe is bent upwards, the top end of the steel pipe column is fixedly connected with a connecting pipe, a top plate is fixed to the top end of the connecting pipe, exhaust holes are formed in the top plate, and a plurality of grout outlet pipes are installed on the circumferential wall of the connecting pipe. The concrete jacking device has the technical effect of reducing the displacement of the steel pipe column when the concrete is jacked.

The invention relates to an FRP sleeve reinforcement construction method for a reinforced concrete column, and belongs to the technical field of construction of civil buildings, bridge engineering, ancient buildings, water supply and drainage engineering and the like. The method comprises the following steps: firstly, prefabricating a duct piece, placing the duct piece around a pier column, winding an FRP coiled material on the duct piece to manufacture an FRP sleeve, then putting a plurality of splitting rods into a gap between the duct piece and the pier column, pushing the duct piece by the splitting rods, applying circumferential prestress to the whole FRP sleeve, pouring concrete into the gap outside the splitting rods, withdrawing the splitting rods after the concrete reaches preset strength, and then pouring the concrete. The FRP sleeve is simple in appearance, durable and attractive after being reinforced, and the FRP sleeve is not provided with external connecting pieces such as a clamp and an anchorage device and is also not provided with butt joints, so that the durability of internal concrete is ensured. The construction does not need large tensioning equipment, and the operation is simple. The FRP sleeve manufactured in the scheme is integrated, the bearing capacity of the reinforced concrete column after reinforcement can be greatly improved, workers with special skills are not needed, and cost is saved.

The utility model discloses a prefabricated column reserved steel bar positioning device, which is arranged on the reserved steel bar at the upper end of the prefabricated column structure, and includes a first positioning device and a second positioning device. The first positioning device is arranged below the second positioning device. The first positioning device includes a steel bar frame composed of steel bars, and the edges of the steel bar frame form steel bar positioning holes. The second positioning device includes a hollow steel plate and a hollow bolt. Sliding grooves are evenly opened on the hollow steel plate. Some hollow bolts are vertically penetrated in the sliding grooves, and the remaining hollow bolts directly pass through the hollow steel plate vertically. The lower end of the hollow bolt is limited by a nut. The positions of the steel bar positioning hole and the hollow bolt correspond to the positions of the reserved steel bars respectively. The reserved steel bars pass through the steel bar positioning hole and the hollow bolt in sequence to achieve positioning. The utility model is provided with two positioning devices for positioning, which effectively controls the positioning accuracy of the reserved steel bars of the prefabricated column, and greatly improves the success rate of the one-time installation of the prefabricated column.

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.