6407results about "Building reinforcements" 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 invention provides a construction method of a prefabricated multi-ribbed cavity floor, and belongs to the technical field of prefabricated multi-ribbed plate construction. The construction method of the prefabricated multi-ribbed cavity floor comprises the steps of full-hall scaffold building, main keel laying, overall leveling and the like. The construction method comprises the steps that S1, full-hall scaffold building is conducted, specifically, when a full-hall scaffold is built, vertical rods on the upper layer and the lower layer are required to be aligned, the vertical rods are uniformly arranged from the two sides of a cast-in-place ribbed beam, the vertical rods are arranged at the intersection positions of floor elastic bidirectional lines, and scaffold boards are laid under the vertical rods; S2, main keels are laid, specifically, when the main keels are installed, the main keels are required to be arranged in order and not to be inclined, and the two vertical rods at the intersection positions must abut against the main keels; and S3, overall leveling is conducted, specifically, after the main keels are laid, overall leveling is conducted according to control lines, and full-hall scaffold formworks are hoisted on the main keels. The cavity formworks are supported by placing the modularized cavity formworks which are machined and formed in a factory-like mode, and accurate and rapid installation of an upper plate of the prefabricated multi-ribbed plate is achieved by installing limiting square pipes.

The invention discloses a T-shaped laminated shear wall, a building and a construction method thereof, the T-shaped laminated shear wall comprises a first module and a second module, each of the first module and the second module comprises an edge member and a shell membrane, a horizontal stirrup protrudes out of one side of the edge member of each of the two modules, and a wall body steel bar connecting ring protrudes out of one side of the shell membrane of each of the two modules; the horizontal stirrups between the two modules are connected through the connecting stirrups, and the wall body steel bar connecting rings between the two modules are connected in an anchoring mode. A cavity is formed after the two modules are combined, longitudinal steel bars are arranged in the cavity, and concrete is poured in the cavity. According to the T-shaped superposed shear wall, the problem that a T-shaped edge component in an existing module building cannot be split into two modules is solved. In addition, the thickness of wall body edge components is not increased, steel bars are convenient to place on site, a prefabricated part and a cast-in-place part are effectively connected with stirrups installed in a cast-in-place mode through reserved horizontal stirrups of the prefabricated part to form a complete whole, and compared with cast-in-place components, the stress performance of the T-shaped superimposed shear wall is not affected.

A post-tensioning anchor is configured to post-tension at least one tension steel element. The post-tensioning anchor includes a force transfer unit configured to transmit prestressing force into a surrounding concrete substrate and at least one steel member configured to resist an anchoring force by the at least one tension steel element on the force transfer unit. The force transfer unit is made of concrete.

The invention discloses a supporting device for hoisting a rotary excavating pile reinforcement cage. The supporting device comprises a collecting assembly, the collecting assembly comprises a barrel with an opening in the top, a guiding assembly made of rubber is installed at the top of the barrel, a supporting assembly and a traction assembly which are arranged in the guiding assembly are further installed at the top of the barrel, and the supporting assembly comprises a plurality of sets of supporting arms and a plurality of protective sleeves. The supporting arms are annularly distributed at the top of the cylinder body, the protective sleeve is connected with the guide assembly, the protective sleeve is rotationally connected with the supporting arms, and the supporting arms are rotationally connected with the cylinder body; the traction assembly pulls the protection sleeve arranged at the bottom of the reinforcement cage in a sleeving mode to support and protect the bottom of a reinforcement, the bottom of the reinforcement cage is covered and protected through the guide assembly, muck falling off from the inner wall of a pile hole through scraping of the reinforcement cage is guided by the guide assembly to fall into the cylinder, and the muck falling off through scraping is collected through the cylinder. Therefore, muck is prevented from forming a thick sediment layer at the hole bottom, and the bearing capacity and stability of a pile foundation are guaranteed.

Disclosed in the present invention are a prefabricated composite floor slab and steel bar truss floor deck directly utilizing old slabs, and a method. The prefabricated composite floor slab comprises new concrete, old concrete slabs, a slab bottom reinforcing mesh, a slab surface reinforcing mesh, steel bar trusses, steel dowel bars, and post-cast concrete. The steel bar truss floor deck comprises new concrete, old concrete slabs, a steel base plate, a slab surface reinforcing mesh, steel bar trusses, steel dowel bars, and support steel bars. According to the present invention, the old concrete slabs are directly utilized instead of being crushed into recycled blocks or recycled aggregates for reuse, thereby greatly simplifying processing procedures, significantly increasing the recycling rate of old concrete, and significantly reducing the usage amounts of new concrete and corresponding cement, thus achieving a significant carbon emission reduction effect; through holes are vertically drilled in the old concrete slabs, the steel dowel bars are inserted into the through holes, gaps between the steel dowel bars and the through holes are then filled with a high-strength grouting material, and shear resistance members are arranged on the side edges of the old concrete slats to enhance the shear resistance at the interface between the new concrete and the old concrete.

The invention belongs to the field of lattice tower prestressed cable construction, and particularly relates to a lattice tower prestressed cable penetrating method which is characterized in that an anchorage device support is arranged on a construction platform at the top of a lattice tower, an anchor ring, a backing ring and a steering wheel are sequentially arranged on the anchorage device support from top to bottom, and through holes in one-to-one correspondence with cable penetrating holes in the anchor ring are formed in the steering wheel; the through hole is a variable-diameter hole with the two ends large in hole diameter and the middle small in hole diameter, the inner hole wall of the through hole smoothly extends in the hole core direction, the first steel wire rope is restrained at the tower top and slowly droops, and a worker at the tower top pulls the first steel wire rope to control the steering wheel to move downwards to the corner position of the latticed column in a pipe cavity of the latticed column. The steel strand is matched with the hole wall or the hole edge of the through hole in the steering wheel in a surface contact mode, the situation that protruding radial shear force point positions exist due to point contact or line contact between the steel strand and the steering wheel is effectively avoided, and the steel strand is prevented from being fractured due to the influence of radial shear force.

The single-ring-plate hidden bracket beam-column connecting joint comprises a frame column and a superposed beam, the frame column is provided with a lower ring plate and a stiffening rib plate, holes are formed in the intersection position of the steel pipe wall of the frame column and superposed beam top ribs, the superposed beam top ribs on the two sides of the joint penetrate through the holes in the steel pipe wall, and superposed beam bottom ribs are connected with a beam bottom embedded steel plate in a welded mode. And the embedded steel plate is welded with the frame column outer ring plate. Efficient assembly is achieved by means of fillet weld connection between the beam bottom embedded steel plate and the side face of the lower ring plate, an upper ring plate is omitted to reduce material cost, the short stiffening rib plates are additionally arranged to enhance joint rigidity, the structure is simple, the force transmission path is clear, and the problems that traditional frame joint overhead welding construction is complex, the positioning precision requirement is high, and stability is insufficient are solved. While the assembly efficiency and quality are improved, a high-reliability node solution is provided for the assembly type frame structure.

The invention discloses a construction method of an energy-saving thermal-insulation wall, and aims to provide a construction method of an energy-saving thermal-insulation wall for performing technical iteration on waterproof performance on thermal-insulation wall construction, which is characterized in that a traditional construction mode of firstly completing wall construction and then filling a thermal-insulation material is changed; an outer wall is constructed, a wall body is subjected to waterproof treatment, after a heat preservation unit is placed, an inner wall body is constructed, the heat preservation unit in an interlayer between the wall bodies can be better subjected to waterproof protection, the interlayer is filled with the heat preservation unit, the service life is prolonged, the heat preservation effect is improved, and practicability is greatly improved; the invention is applicable to the technical field of thermal insulation walls.

A building panel for modular construction. The building panel utilises less framework for reduced complexity, materials and weight. The panel utilises features of the formwork to allow the panel to be moved easily. The panel further utilises new formwork moulds that are easier to use and create effective patterns for keying with like panels.

A method, includes securing a component of an anchor apparatus to a board of a form utilized to form a concrete support structure; coupling an anchor of the anchor apparatus relative to the component by engaging a threaded segment of the component with a cooperative threaded segment of the anchor; depositing concrete within the form to create the concrete support structure, the concrete support structure at least partially enclosing the anchor; removing at least a portion of the board of the form; and accessing the anchor through a cavity in the concrete structure formed by the component.

The invention relates to the technical field of constructional engineering, in particular to a prefabricated large-span reinforced concrete floor capable of being assembled and adjusted. The floor slab comprises a prefabricated reinforced concrete slab with the length extending in the front-back direction, the front side and the rear side of the lower end face of the prefabricated reinforced concrete slab are each provided with a set of lap joint parts extending downwards, and a bottom support assembly fixed to the lower end face of the prefabricated reinforced concrete slab is arranged between the two lap joint parts; the bottom support assembly comprises a plurality of bottom support units which are arranged at intervals in the front-back direction, the bottom support units are symmetrically arranged in the front-back direction with the center of the prefabricated reinforced concrete slab as the center, the lower end of the bottom support unit in the middle is lower than the lower ends of the bottom support units on the two sides, and a prestress inhaul cable is connected between the two lap joint parts. And the lower end of each collet unit is supported and fixed on the prestressed inhaul cable. The bottom support assembly and the prestress inhaul cable are adopted to replace a lower flange and a web, the self weight is light, meanwhile, the lap joint part is arranged, the contact area of the floor and a building structure is increased, stress is reduced, assembling is convenient, and safety is improved.

The invention discloses a ganged brick wall construction method. The ganged brick wall construction method comprises the following steps that firstly, construction preparation is conducted; 2, anti-overturning design and brick arrangement deepening of outer wall bricks are carried out; step 3, treating a base layer; step 4, surveying and setting out; 5, bricks are arranged at the bottom; sixthly, vertical penetrating reinforcing steel bars are constructed; seventhly, ganged bricks are built, specifically, corners are coiled firstly, then a story pole is erected, and then double-face hanging line building is conducted; eighthly, horizontal and transverse tie bars are constructed; 9, vertical through hole grouting is conducted, specifically, every eight layers of bricks are built, grouting materials are adopted to conduct grouting on the through holes penetrating through the reinforcing steel bars; tenthly, pointing and cleaning protection are conducted; and step 11, brushing an organic silicon coating. According to the method, the vertical reinforcing steel bars, the transverse reinforcing steel bar meshes, the main body structure tie steel bars and the like are fixed to the main body structure, a stable keel stress and anti-seismic system is formed, the ganged brick wall body and the main body structure are effectively tied, and the stability of the wall body is guaranteed.

A vertical adjustment mechanism for adjusting the height or elevation of one or more support structures relative to the reference surface. A chair and spacer may be used to adjust the elevation of the one or more support structures. The spacer may include one or more retention clips and / or receptacles.

The invention discloses an ultrahigh-strength prestressed concrete pipe pile and a preparation method, and relates to the technical field of building materials. The ultrahigh-strength prestressed concrete pipe pile comprises a core layer which is composed of 1.0%-2.0% by volume of chopped basalt fiber reinforced concrete, the fiber length is 8-12 mm, the diameter is 15-20 microns, and the compressive strength is larger than or equal to 130 MPa; the transition layer is composed of hybrid fiber reinforced concrete with the volume fraction of 3.0%-4.0%, steel fibers account for 60%-75%, polyethylene fibers account for 25%-40%, the length-diameter ratio of the steel fibers is 50-80, and the tensile strength is larger than or equal to 1200 MPa. Through gradient fiber reinforced structure design and preparation process innovation, the mechanical property, the production efficiency and the environmental friendliness of the prestressed concrete pipe pile are synergistically improved. Firstly, in the aspect of mechanical properties, the compressive strength is made to break through 130 MPa through the synergistic effect of the core layer basalt fiber and the high-activity superfine slag powder and is improved by 30% or above compared with a traditional C100 pipe pile, and meanwhile the shear strength is improved to 18 MPa or above through a transition layer steel-polyethylene hybrid fiber system.

A neutron capture therapy system includes a neutron generating device and a beam shaping assembly. The neutron capture therapy system further includes a concrete wall accommodating the neutron generating device and the beam shaping assembly and shielding radiations generated by the neutron generating device and the beam shaping assembly, the concrete wall and a reinforcing portion at least partially disposed in the concrete wall are provided to support the beam shaping assembly, and more than 90% of weight of a material of the reinforcing portion is composed of at least one element of C, H, O, N, Si, Al, Mg, Li, B, Mn, Cu, Zn, S, Ca, and Ti. In the neutron capture therapy system, the reinforcing portion disposed in the concrete wall has good anti-activation performance. Therefore, compared with a conventional reinforced concrete structure, the radiation is further attenuated.

The utility model discloses a steel pipe truss assembly type prestressed concrete laminated slab, and particularly relates to the technical field of building components, the steel pipe truss assembly type prestressed concrete laminated slab comprises a prefabricated slab, a truss is installed at the top end of the prefabricated slab, the truss comprises a steel pipe, adjusting assemblies are arranged on the steel pipe at intervals, and each adjusting assembly comprises a clamping groove, a lifting groove, a lifting piece and a limiting piece. The clamping grooves are formed in the side walls of the top end and the bottom end of the steel pipe, the lifting groove is formed in the steel pipe, and the two ends of the lifting groove are communicated with the two sets of clamping grooves in the steel pipe. When the lifting piece descends, the inclined buckle plate gradually inclines and is perpendicular, so that the attaching strength of the inner wall of the buckle groove and the hook end is improved, the hook is not prone to disengaging from the buckle groove in the buckle plate, and the situation that the hook disengages from the truss steel pipe, and consequently operation danger is increased is effectively avoided.

The invention provides a full-tension spoke type crossed cable truss structure system and a construction method thereof, and relates to the technical field of building structures, the full-tension spoke type crossed cable truss structure system comprises a first supporting column system, a second supporting column system, a first pressing ring beam, a second pressing ring beam, a first crossed cable net, a second crossed cable net, a first inner ring cable structure, a second inner ring cable structure, slings and a diagonal bridging, the first pressing ring beam is fixedly connected with the first supporting column system, one end of the second supporting column system is fixedly connected with the first pressing ring beam, the other end of the second supporting column system is fixedly connected with the second pressing ring beam, the first crossed cable net is connected with the first pressing ring beam and the first inner ring cable structure, and the second crossed cable net is connected with the second pressing ring beam and the second inner ring cable structure. The sling is connected with the first crossed cable net and the second crossed cable net, and the diagonal bridging is hinged to the first supporting column system and the second supporting column system. The method has the beneficial effects that compressive yield failure is avoided, the method can adapt to complex load conditions, the force transmission path is clear, and the rigidity requirement of a super-large-span structure is met.

Disclosed are a steel fiber composite intelligent bar with a sheathing optical cable embedded in an inner core of a rebar, and a fabrication method thereof. The steel fiber composite intelligent bar includes the sheathing optical cable, the rebar, a winding layer, and tightening sheaths, wherein the sheathing optical cable comprises a glass fiber core, a polyimide coating layer, and a polyurethane wrapping layer that are stacked sequentially from inside to outside; the rebar is provided with a notch groove along a length direction; and the sheathing optical cable is embedded in the notch groove in parallel; the winding layer is wound around an outer surface of the rebar, and the winding layer is made of an epoxy resin composite fiber; and the tightening sheaths comprise a first tightening sheath and a second tightening sheath which are sleeved at two ends of the winding layer, respectively.

The invention provides a large-opening spoke cable dome space structure system and a construction method thereof, and relates to the technical field of building structure construction.The large-opening spoke cable dome space structure system comprises a supporting column system, a ring beam, a single-layer spoke type crossed cable net, an inner ring cable and a multi-stage cable system structure; the multi-stage cable system structure comprises a first endless cable structure, a second endless cable structure, a third endless cable structure, a fourth endless cable structure, a first supporting structure, a second supporting structure, a third supporting structure, a fourth supporting structure, a first stay cable structure, a second stay cable structure, a third stay cable structure and a fourth stay cable structure. The supporting column system is fixedly connected with the ring beam, one end of the single-layer spoke type crossed cable net is hinged to the ring beam, the other end of the single-layer spoke type crossed cable net is hinged to the inner ring cable, the multi-stage cable system structure is hinged to the ring beam, one end of a first supporting structure of the multi-stage cable system structure is connected with the inner ring cable, and the other end of the first supporting structure is connected with the first ring cable structure. The overall rigidity is large, the anti-collapse capacity is good, the length of the pressing rod is effectively reduced, buckling is avoided, and the problem that arrangement of a cable truss structure is limited is solved.

The invention discloses a damping device suitable for a wind power prestressed steel strand, which comprises a bottom plate, a hoop and an elastic lining, and is characterized in that the bottom plate is fixedly connected with the inner wall of a tower drum; the hoop and the elastic lining are both of a split structure, the elastic lining is used for bundling dispersed steel strands, the hoop is used for fixing the elastic lining, the hoop and the bottom plate are connected through a movable limiting assembly, and the movable limiting assembly is used for restraining swinging of the steel strands. The device has the advantages of being compact in structure, convenient to disassemble and assemble, high in reliability and the like, the bundling bottom plate is integrally mounted on the tower barrel wall in the middle of the steel strand, the split hoop and the elastic lining bundling steel strand are utilized, the movable limiting assembly is adopted between the hoop and the bottom plate to limit movement of the steel strand, and the problems that the middle area of an ultrahigh tower prestress system is not restrained, and construction is not limited are solved. The problem of interference friction with the tower drum wall and accessories due to large swing amount is solved, and the problem of failure caused by build-up force damage of the middle steel strand at the bundling fixing position is also solved.

The present invention provides a precast concrete component, a precast concrete assembly and a splicing method thereof. The precast concrete component comprises a connection end, the connection end comprises a connection end face, a longitudinal groove arranged along the length direction of the connection end face, a connection steel bar accommodated in the longitudinal groove and a supporting steel bar fixedly arranged in the longitudinal groove; the supporting steel bar supports the connection steel bar, and the connection steel bar comprises a first side close to the connection end face; wherein the connection steel bar can move in the longitudinal groove, so as to be arranged in the longitudinal groove in an inclined state or a horizontal state, and when the connection steel bar is arranged in the longitudinal groove in a horizontal state, the first side extends out of the connection end face. The precast concrete component of the present invention has a simple structure and is very convenient to construct.

The utility model discloses a high-precision steel bar positioning assembly which comprises a positioning plate, a positioning hole is formed in the positioning plate, and a positioning nut is arranged above the positioning hole. The device further comprises a variable-diameter bolt, the variable-diameter bolt is screwed with the positioning nut and the transition sleeve, and the bottom of the transition sleeve is provided with a threaded head located at the end of the steel bar to be positioned. The utility model has the characteristic of effectively ensuring the position accuracy of the reinforcing steel bar.

The invention discloses a prestress tensioning anchorage device, and relates to the field of prestress construction technical equipment, the prestress tensioning anchorage device comprises a first shell, the middle of the first shell is provided with a second anchor hole for a middle steel strand to penetrate through, and the outer ring of the first shell is annularly provided with a plurality of first anchor holes for outer ring steel strands to penetrate through and bolt holes; a clamping mechanism for fixing a middle steel strand penetrating through the second anchor hole is rotationally arranged in the middle of one side of the first shell, and a plurality of fixing mechanisms for fixing an outer ring steel strand penetrating through the first anchor hole are rotationally arranged at the position, corresponding to the bolt holes, of the first shell. The spur gear is rotated to drive the gear nut to rotate, the screw and the hollow screw are driven to enable the outer ring clamping piece and the middle clamping piece to fix the steel strand, after the spur gear continues to be rotated to be further tightened, a metal-based repairing agent is poured into the grouting hole for reinforcement, the device is easy and convenient to operate, the steel strand can conveniently penetrate into the anchorage device, the construction efficiency is improved, and the construction period is shortened. And the stability of the anchoring device is enhanced.

The invention discloses spatial free distribution micro-scale cage-shaped unit interlocking confined concrete and a preparation method thereof.The preparation method of the spatial free distribution micro-scale cage-shaped unit interlocking confined concrete comprises the steps that a concrete premix, a pouring formwork and a plurality of micro-scale cage-shaped units are prepared; the concrete premix and the multiple micro-scale cage-shaped constraint units are mixed, and pouring is completed in the formwork; and curing and hardening the concrete premix in the pouring template and a concrete reinforcing framework formed by interlocking the plurality of cage-shaped constraint units to obtain the spatial free distribution micro-scale cage-shaped unit interlocking constraint concrete. The cage-shaped constraint units with multiple concrete component scales are doped in the concrete premix, the spatial free distribution micro-scale cage-shaped unit interlocking constraint concrete is prepared, and the mechanical property of a concrete member can be improved.

The invention relates to the technical field of buildings, in particular to a magnesium oxysulfate foaming building block sandwich floor which comprises a bottom concrete surface layer, a lower-layer framework, a magnesium oxysulfate foaming building block sandwich layer, an upper-layer framework and a top concrete surface layer, and the magnesium oxysulfate foaming building block sandwich layer is clamped between the bottom concrete surface layer and the top concrete surface layer. The magnesium oxysulfate foaming building block sandwich layer is connected with the bottom concrete surface layer through a lower-layer framework, the magnesium oxysulfate foaming building block sandwich layer is connected with the top concrete surface layer through an upper-layer framework, the magnesium oxysulfate foaming building block sandwich layer is formed by splicing building block battens, and the adjacent building block battens are connected through connecting assemblies. The building block battens comprise magnesium oxysulfate foaming building blocks and middle concrete building blocks which are arranged in a staggered mode. The floor slab with the magnesium oxysulfate foaming building block sandwich has the performance of light weight, high strength and heat preservation and heat insulation, and a reinforcing mesh formed by the T-shaped steel and the reinforcing steel bars serves as a stress component to be matched with the sandwich layer structure, so that the overall strength of the component can be improved.

The invention discloses a steel bar positioning device for an aluminum alloy formwork full cast-in-place outer wall, and relates to the technical field of steel bar positioning, the steel bar positioning device comprises a mounting mechanism, the mounting mechanism comprises a first mounting plate, one side of the first mounting plate is fixedly connected with a fixing plate, and the interior of the fixing plate is in threaded connection with a first screw rod; the lower end of the first screw rod is rotationally connected with a pressing block; and the stretching mechanism comprises a worm gear, one side of the worm gear is connected with a first bevel gear through a rotating shaft, and the surface of the first bevel gear is meshed with a second bevel gear. A unit type positioning mode is adopted, a front-back position adjusting mechanism is arranged in each unit positioning module, the mechanisms are matched with left-right position adjustment of the units, positioning angle multidimension and left-right front-back four-direction positioning are achieved, and compared with manual positioning, positioning is more accurate; different clamps can be replaced according to steel bars of different models, and adaptability is higher.

Auxiliary device for positioning fine-rolled ribbed steel on a hanging basket rail, characterized in that the auxiliary device for positioning fine-rolled ribbed steel on a hanging basket rail comprises a support beam, a plurality of positioning sleeves are attached to the support beam at equal intervals along the longitudinal direction, and the axial direction of the positioning sleeve is perpendicular to the longitudinal direction of the support beam, two sets of support components are attached to the support beam at a distance along the longitudinal direction, the support beam can be attached horizontally to the formwork on both sides of the box girder via the support components, the fine-rolled ribbed steel can be guided through the positioning sleeve, and the lower end portion of the fine-rolled ribbed steel projects vertically into the box girder,the upper end section of the fine-rolled ribbed steel is screwed with a limit nut and the limit nut can rest on the upper end of the positioning sleeve.

The utility model relates to the technical field of building construction, in particular to a disassembly-free bottom die steel bar truss floor support plate abutted seam node which comprises a plurality of floor support plates, a steel bar truss is arranged on the top of each floor support plate, the two opposite sides of each floor support plate extend upwards to be provided with folding parts, and the folding parts are connected with the floor support plates. A cover plate is arranged between every two adjacent floor bearing plates, the cover plates are located above the floor bearing plates, the bottoms of the cover plates are provided with covering grooves, the covering grooves are matched with the two adjacent folded parts, and a plurality of fixing ribs are laid on the tops of the cover plates in the length direction of the cover plates at intervals. And each fixing rib is fixedly connected between the two adjacent steel bar trusses. The floor support plate has the effects of reducing the possibility of slurry leakage and improving the structural reliability and stability of the whole floor support plate.