18 results about "Steel columns" patented technology

The invention relates to a standard Bailey truss assembling type jacking formwork system. The standard Bailey truss assembling type jacking formwork system is characterized in that the standard Bailey truss assembling type jacking formwork system is mainly composed of a truss platform system, a hanging system and a power supporting and jacking system, the power supporting and jacking system is fixedly supported by a core tube wall, the upper portion of the power supporting and jacking system is connected with the truss platform system through lattice supporting steel columns, the hanging system is hung on the truss platform system, the truss platform system is mainly composed of a plurality of standard Bailey trusses, the standard Bailey trusses are mutually connected to form main trusses and secondary trusses, the main trusses are connected longitudinally and transversely through Bailey truss connecting pieces to form a main framework, the Bailey trusses are connected on the periphery of the main framework to form a rectangular peripheral framework, and the Bailey truss connecting pieces are connected with the upper ends of the lattice supporting steel columns. According to the standard Bailey truss assembling type jacking formwork system, the system is composed of the standard Bailey trusses, construction and assembly are fast and convenient, repeated utilization is available, and the adaptability is high.

The invention is a profiled steel pillar top constraint node for profiled bar concrete framework steel support structure, interconnecting in-beam profiled steel, in-pillar profiled steel, pillar main bar, steel support, in-pillar concrete, and in-beam concrete and pouring them into an organic whole, where the tops of the in-pillar profiled steel and the pillar main bar are welded with a constraint anchoring steel plate, the middle of the steel plate is made with vibrating hole and welding hole, the sides of the steel plate are made with plug welding holes, the pillar main bar is welded with the steel plate at the plug welding lines, and the in-pillar profiled steel is welded with the steel plate at the welding line holes. And it improves the integrity of profiled steel pillar top nodes, on the one hand saving the utilization of anchoring reinforcing bars and on the other hand convenient to construction, raising constructing efficiency and saving labor and time.

The invention discloses a steel-concrete slab-column structure system which comprises a concrete layer and a node framework structure of steel girders and steel columns and used for supporting the concrete layer, wherein the framework structure comprises a plurality of steel columns, steel girders connected between every two steel columns and connection assemblies used for connecting the steel columns and the steel girders. The steel beams comprise top flange plates, bottom flange plates and webs arranged between the top flange plates and the bottom flange plates and used for supporting the top flange plates and the bottom flange plates. The concrete layer comprises a prefabricated concrete layer arranged on the lower flange plates and a cast-in-place concrete layer arranged on the prefabricated concrete layer, and the cast-in-place concrete layer is formed by pouring concrete and a two-way reinforcement fabric. The steel-concrete slab-column structure system is convenient to operate on site, large in rigidity, strong overall and good in the anti-seismic property.

The invention discloses a steel lead lamination node damper which comprises a lead energy consumption plate, a soft steel energy consumption plate, a damper end plate, a damper fixing plate, a steel beam and a steel column. The lead energy consumption plate and the soft steel energy consumption plate are manufactured into a 1/4 arc and are arranged in a lamination mode alternatively. The damper end plate and the damper fixing plate are welded at two ends of the arc respectively, one end of the damper fixing plate is connected with the steel beam through a bolt, and the other end is connected with the steel column through a bolt. The damper has the advantages of being high in initial rigidity and high in material yield dispersion area. No obvious stress concentration exists. The soft steel and the lead have good coordination performance, the material utilization rate is high, and the energy consumption effect is good. Meanwhile, the damper is simple in manufacture and installation, convenient to use, capable of being used for seismic design of newly-built projects and also capable of being used for reinforcement and maintenance of the existing projects.

The invention provides a storey-adding structure and method of a steel structure building, and belongs to the field of building construction. The storey-adding structure of the steel structure building comprises pipe rack columns, supporting parts, lifting columns, lifting beams, electric hoists, a steel roof truss, steel scale rods and steel columns, wherein the supporting parts are fixed to thetops of the pipe rack columns, one ends of the two lifting columns are welded to the top faces of the supporting parts respectively, and the other ends of the two lifting columns penetrate through thetop face of the steel roof truss and are welded to the two ends of the lifting beams respectively. The storey-adding structure and method of the steel structure building have the advantages that thelifting columns are coaxial with vertical columns, the upper ends of the lifting columns run through holes allowing the lifting columns to run through on the roof, the lifting columns play a limitingrole in the roof during limiting, so that the accuracy of the lifting operation is high, the subsequent alignment and installation of the newly-increased vertical columns are convenient, a large amount of labor cost and machinery one-shift cost can be saved, the construction progress is sped up, and the construction safety is improved.

The invention relates to a displacement adjusting device for an H-shaped steel support and a construction method thereof. The device comprises a base detachably fixed to a joist, an adjusting rod vertically inserted and screwed to the base, a supporting structure detachably fixed to the top of the adjusting rod and a plurality of clamping structures arranged at the opposite sides of the supportingstructure and used for clamping the H-shaped steel support; the clamping distances of the clamping structures can be adjusted; by adjusting the adjusting rod to move up and down in the base, the distance between the H-shaped steel support and the joist is adjusted to ensure that the H-shaped steel support is always in a flat straight state. When a steel column and the joist arranged on the steelcolumn uplift or sink, by adjusting the adjusting rod of the device to move up and down in the base, the H-shaped steel support does not deflect downward or upward along with uplifting or sinking of the steel column, so that the H-shaped steel support is always in the flat straight state, and the device helps to maintain the stability of the H-shaped steel support.

The invention relates to the technical field of building construction steel structures, and discloses a sliding assembly type building steel structure mounting construction method. The sliding assembly type building steel structure mounting construction method comprises the following steps that S1, a temporary passage is planned, specifically, an entrance road near a construction site is selectedfirstly as the temporary passage for stacking steel structure materials, and a temporary site is planned for storing steel roof components beside the entrance road close to the construction site; andS2, tower cranes are installed, specifically, at least two tower cranes are arranged near the construction site, and the steel roof components stored in the temporary site in the step S1 are prefabricated, spliced and hoisted. According to the sliding assembly type building steel structure mounting construction method, every two adjacent steel columns in each row are fixed at equal intervals, concrete is poured into a round hole in the middle of each steel column, connection is achieved through the concrete and foundation bolts and nuts at the bottoms of the steel columns, and therefore the supporting strength of the steel columns and the bending resistance and deformation resistance of the steel columns are further improved in cooperation with the concrete.

The invention discloses a method for strengthening a cold-formed thin-walled steel column based on geopolymer foam concrete. The method specifically comprises the steps of using cold-formed thin-walled steel for building a column base body in a surrounding mode, uniformly stirring the slag powder and the fly ash, then adding the construction waste powder, and stirring to obtain a powder base material, adding an alkali activator and water into a concrete mixer, stirring, sequentially adding polypropylene staple fibers, a powder base material and a foaming agent, and stirring in batches to obtain geopolymer foam concrete slurry, pouring the geopolymer foam concrete slurry into the column base body, standing and foaming, and curing to obtain the geopolymer foam concrete reinforced cold-formed thin-walled steel column. The cold-formed thin-walled steel-geopolymer foam concrete column is adopted as a novel combined component in the light steel and light concrete combined structure, good sound insulation and noise reduction performance can be achieved, the empty drum sound of an existing light steel structure can be eliminated, and the requirement of the national building sound insulation standard can be met.

The invention discloses a frame beam steel bar connecting system of a profile steel column and concrete and a pouring construction method. The frame beam steel bar connecting system comprises a profile steel component, a steel bar component and a fixing assembly, wherein the profile steel component comprises a profile steel column body and a profile steel beam body; the fixing assembly comprises a fixing bolt and a fixing binding wire; the profile steel column body and the profile steel beam body are fixedly connected through a column beam connecting component; the column beam connecting component comprises a column body fixing clamping plate and a beam body fixing clamping plate; and the beam body fixing clamping plate is fixedly connected to the right side of the column body fixing clamping plate. The invention relates to the technical field of reinforced concrete connecting structures. According to the frame beam steel bar connecting system of the profile steel column and the concrete and the pouring construction method, a clamping groove of the profile steel column body is formed in advance according to a drawing, then the column body fixing clamping plate is clamped at the clamping groove, the beam body fixing clamping plate is clamped at one end of the profile steel beam body, and then the fixing bolt is used for fixing, so that the installation is accurate and rapid, the labor intensity and difficulty during construction are reduced, and the working efficiency is improved.

The invention discloses a tough composite buffer for a slope flexible protection system. The tough composite buffer comprises a support steel pipe, a sliding plate, a buffering spring and a first steel inhaul cable; the two ends of the support steel pipe are fixed on a spring base plate and a pull anchor plate correspondingly; a sliding plate hole is formed in the sliding plate, and the supporting steel pipe penetrates through the sliding plate hole so that the sliding plate can be arranged on the supporting steel pipe in a sliding and sleeving mode; the buffering spring is arranged on the supporting steel pipe in a sleeving mode, and the two ends of the buffering spring are connected to the spring base plate and the sliding plate correspondingly; one end of the first steel inhaul cable penetrates through the sliding plate and is anchored on the sliding plate through a metal rope anchor, and the other end of the first steel inhaul cable is connected to a first supporting rope; when the impact energy of the system is within a normal working energy level range, the buffering spring works independently, generates elastic deformation and recovers along with cleaning of falling rocks; and when the impact energy exceeds the normal working energy level, a starting supporting steel column is bent to achieve composite energy consumption.

The invention relates to an assembly type concrete component mounting method which comprises the following steps: I, pre-embedding foundation bolts which get out of a reinforced concrete bottom platefoundation on four corners of a constructed reinforced concrete bottom plate foundation; II, arranging an outer edge plate at the lower end of a profile steel column, enabling the outer edge plate topenetrate through a first opening, separately welding the two adjacent side surfaces of the profile steel column to reinforcing steel bars in two wallboards, connecting an inverted-H-shaped beam on aposition, above the wallboards, of the profile steel column, separately filling light-weight aggregate concrete into the profile steel column and the wallboards for enabling the wallboards and the profile steel column to define a combined wallboard; step III, lifting prefabricated wallboards and the profile steel column onto the reinforced concrete bottom plate foundation, and splicing the foundation bolts into the first opening, connecting nuts on the foundation bolts through bolts for fixing the profile steel column; and IV, lifting a superposed board to a position above the combined wallboard for capping, and pouring concrete on the superposed board to form a superposed layer. The assembly type concrete component mounting method has the effects of being convenient in mounting and shortening a construction period.

The invention provides a steel column construction site splicing installation positioner which is characterized in that the steel column construction site splicing installation positioner comprises a plurality of positioner bodies 31 arranged at the installation joint of an upper steel column 1 and a lower steel column 2, the plurality of positioner bodies 31 surround the lower steel column 2 and are hooped on the lower steel column 2 through detachable tightening pieces 35, the positioner bodies 31 are further provided with abutting and supporting positioning pieces, and the abutting and supporting positioning pieces are connected with the upper steel column 1 and the lower steel column 2. And the propping positioning pieces on the plurality of positioner main bodies 31 are propped against the upper steel column 1 to position the upper steel column 1.

The invention discloses a pouring base plate. The pouring base plate comprises a base plate body and a flow control shutoff device. An accommodating cavity is formed in the base plate body. The base plate body is provided with a runner brick hole which extends to the upper surface of the base plate body and communicates with the accommodating cavity. The flow control shutoff device comprises a runner brick, a sliding plate capable of sliding horizontally, a flow guiding body and a push rod capable of doing push-pull motion; the runner brick is arranged in the runner brick hole; the sliding plate and the flow guiding body are both arranged in the accommodating cavity; the runner brick, the sliding plate and the flow guiding body are sequentially sealed and attached from top to bottom; at least part of the horizontal projection of a lower end opening of a runner hole of the runner brick and at least part of the horizontal projection of an upper end opening of a flow guiding channel of the flow guiding body are overlapped; one end of the push rod is detachably connected with the sliding plate, and the other end of the push rod is located outside the base plate body; and the push rod drives the sliding plate to slide horizontally, and the runner hole and a flow passing hole of the sliding plate can communicate with the flow guiding channel vertically to form a pouring channel. The pouring base plate can control the flow rate and can also shut off the pouring channel, so that a continuous steel column is prevented from being formed.

The invention discloses a connecting structure between a steel column and a high-rise truss beam. The connecting structure comprises the steel column (1), two ends of the upper top surface of the steel column (1) correspondingly extend vertically upwards from positioning seats (2), the truss beam (3) in butt-joint with the positioning seats (2) is arranged between the two positioning seats (2). The positioning seats (2) are of a hollow square tube structure as a whole, inner haunched beams (4) are arranged in the positioning seats (2), one ends of the inner haunched beams (4) penetrate throughthe inner sides of the positioning seats (2) and extend between the two positioning seats (2), and first guide sliding grooves (5) are formed in the inner sides of the positioning seats (2) for the clearance passage of the inner haunched beams (4). According to the connecting structure, the installation structure is simple, and the connection strength between the steel column and the truss beam can be effectively improved.