Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

327 results about "Transverse reinforcement" patented technology

Reinforcement bars provided perpendicular to the longitudinal reinforcement are referred to as transverse reinforcements. In a one way RC slab, the reinforcement bars spanning along short direction is referred to as main reinforcement and that spanning along the long direction is referred to as transverse reinforcement.

Fabricated building stair mold

PendingCN121928664ADisassembly effectsFast clamping and fixingMould auxillary partsArchitectural engineeringRebar
The invention discloses an assembly type building stair mold, and relates to the technical field of stair molds, the assembly type building stair mold comprises a mold mechanism, the side face of the mold mechanism is provided with a transverse steel bar limiting mechanism, and the transverse steel bar limiting mechanism is used for limiting and fixing transverse steel bars in a prefabricated stair. According to the longitudinal reinforcement limiting mechanism, the height of a clamping head is accurately adjusted through a third mounting bolt, the clamping head can be flexibly selected according to the diameter of a longitudinal reinforcement, the mounting height and position of the longitudinal reinforcement can be accurately controlled, the overall positioning accuracy of a reinforcement framework is guaranteed, and then the mechanical property of the prefabricated stair is improved; the sleeve plays a role in protecting the end, inserted into the mold mechanism, of the third mounting bolt, it is avoided that concrete adhesion affects bolt disassembly, meanwhile, due to the detachable design of the third mounting bolt and the modular structure of the steel bar limiting mechanism, the demolding difficulty is lowered, damage to stairs after a component is formed is reduced, and the demolding efficiency and the finished product quality are improved.
Owner:ANHUI CONSTR ENG CHANGJIANG CONSTR INVESTMENT CONSTR IND CO LTD

A multi-stage adjustment mechanism for a prestressed positioning mesh

The present application relates to the technical fields of prestressed positioning mesh welding, and especially relates to a multi-stage adjusting mechanism for prestressed positioning mesh, which is provided with a welding control module, an information capturing module, a displacement analysis module and a welding correction module. The transverse steel bars are laid on the longitudinal steel bars through the laying unit, the intersection positions of the longitudinal steel bars and the transverse steel bars are welded through the welding unit, the vibration intensity change curve is drawn through the information capturing module, it is determined whether there is vibration allowance abnormal phenomenon at the intersection positions and the vibration allowance abnormal category of the intersection positions is determined through the abnormal analysis unit, the welding correction mode is selected through the welding correction module, and then, the quick abnormal risk identification according to the actual situation in the steel bar welding and sticking process is realized, the abnormal welding positions are classified and processed, the welding correction mode is adaptively adjusted, and the production efficiency and welding reliability of the prestressed positioning mesh are improved.
Owner:CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD +1

Reinforcing mesh welding mechanism for concrete cable trench cover plate machining

The invention relates to the field of welding devices, in particular to a reinforcing mesh welding mechanism for concrete cable trench cover plate machining. The whole device is supported through a bottom plate at the bottom, a supporting frame used for containing a reinforcing mesh is arranged on the bottom plate, an electric resistance welding device used for conducting row welding on the reinforcing mesh is arranged on the bottom plate, and a traction device used for pulling the reinforcing mesh to move is arranged on the bottom plate. The reinforcing mesh is composed of a plurality of transverse reinforcing steel bars and longitudinal reinforcing steel bars alternately located above and below the transverse reinforcing steel bars, an upper discharging mechanism for placing the longitudinal reinforcing steel bars on the transverse reinforcing steel bars is arranged on the bottom plate, and a lower discharging mechanism for abutting the longitudinal reinforcing steel bars against the transverse reinforcing steel bars from the lower portion is arranged on the bottom plate. An upper welding electrode and a lower welding electrode on the electric resistance welding device can both ascend and descend in the vertical direction, and the moving distances of the upper welding electrode and the lower welding electrode before welding are different according to different positions of longitudinal steel bars. By welding the longitudinal reinforcing steel bars which are alternately arranged up and down, the reinforcing mesh can well adapt to bidirectional force, and the overall strength of the reinforcing mesh is improved.
Owner:YINGDE YOUPENG BUILDING MATERIALS CO LTD

Cavity assembly type reinforced concrete web bridge structure and construction method thereof

The invention discloses a cavity assembly type reinforced concrete web bridge structure and a construction method thereof, and relates to the technical field of bridge engineering.The cavity assembly type reinforced concrete web bridge structure comprises a plurality of cavity type webs arranged in the length direction of a bridge, the upper side and the lower side of the web center component are each provided with a steel bar staggered net composed of a plurality of oblique steel bars and a plurality of transverse steel bar rings, and the steel bar staggered nets are in a hollow frustum shape. The top flange steel plate is horizontally arranged at the top of the cavity type web, and a concrete bridge deck is arranged at the top of the top flange steel plate; the lower flange steel plate is horizontally arranged at the bottom of the cavity type web; according to the hollow cavity type web, the inclined steel bars, the transverse steel bar rings and the web center component are combined to form a hollow frustum structure, the dead weight of a web bridge structure is greatly reduced, stress concentration is avoided, the cracking risk of the structure is reduced, and the overall strength and stability of the structure are effectively enhanced; meanwhile, local shear resistance and bending resistance are enhanced, the service life of the bridge is prolonged, and the probability of local damage is reduced.
Owner:FOSHAN RAIL TRANSIT DESIGN & RES INST CO LTD

Wall frame structure for preventing cracks and leaks

This utility model discloses a wall frame structure for preventing cracks and leakage, belonging to the technical field of wall frame technology. It includes a casting slab, a reinforcing plate, a positioning structure, a feeding structure, casting holes, transverse reinforcing bars, longitudinal reinforcing bars, a main forming plate, and a secondary forming plate. The reinforcing plate abuts against the casting slab. The casting hole is located on the casting slab. The positioning structure is set on the casting slab. The transverse reinforcing bars are placed within the casting slab through the casting hole. The longitudinal reinforcing bars are placed within the casting hole and abut against the transverse reinforcing bars. The feeding structure is located on the reinforcing plate and is used to feed material into the casting hole. The main forming plate abuts against the side of the casting slab away from the reinforcing plate, and the secondary forming plate abuts against the side of the reinforcing plate away from the casting slab. This utility model, by forming a single frame with the reinforcing plate and casting slab, ensures uniform internal stress during use, greatly enhancing the overall structural strength and effectively improving the wall's resistance to cracks and leakage.
Owner:ZHEJIANG BENTENG MUNICIPAL GARDEN CONSTR ENG CO

Prefabricated lattice wall

The invention belongs to the field of building components, and particularly relates to a prefabricated lattice wall. According to the technical scheme, the structure is formed by splicing a plurality of aerated concrete reinforced plates, a plurality of transverse penetrating type circular-section grouting holes are formed in the aerated concrete reinforced plates, transverse penetrating type semicircular-section grouting holes are formed in the short edges of the aerated concrete reinforced plates, and vertical penetrating type semicircular-section grouting holes are formed in the long edges of the aerated concrete reinforced plates; the two vertical penetrating type semicircular section grouting holes in the splicing position of every two adjacent aerated concrete reinforced plates are spliced to form a vertical circular section grouting hole, and criss-cross hollow grids are formed. Transverse steel bars and vertical steel bars are respectively inserted into the hollow grids to form a criss-cross steel bar net, grouting materials are poured into the hollow grids, and the steel bar net and the grouting materials form a lattice-shaped connecting structure together. According to the prefabricated lattice type wall body, the heat preservation performance, the shock resistance and the construction precision of the wall body can be effectively improved.
Owner:SHENYANG JIANZHU UNIVERSITY

An assembly double-column bridge pier

The utility model provides a kind of assembled double-column pier, including cap beam, column and pile foundation are sequentially arranged below cap beam, first tenon is symmetrically set in the left and right sides of the lower surface of cap beam, first mortise and second tenon are respectively set in the upper and lower surfaces of column, pile foundation reinforcing section is set on the upper end of pile foundation, second mortise is equipped at the top surface of pile foundation reinforcing section and opposite column, the periphery of first tenon is filled with self-compacting super high performance concrete from the bottom of first mortise to the top of first tenon, the periphery of second tenon is filled with self-compacting super high performance concrete from the bottom of second mortise to the top of second tenon, the utility model replaces longitudinal, transverse reinforcement in the prior art by self-compacting super high performance concrete, on the basis of ensuring the integrity and stability of assembled double-column bridge, it does not need to reserve and arrange reserved reinforcement at mortise and tenon connecting part in bridge assembling construction process, can greatly shorten project duration, improve the economic benefit of project.
Owner:XINJIANG TRANSPORTATION PLANNING SURVEYING & DESIGN INST

Binding tool and binding method for vertical prefabricated concrete tower drum ring sheet steel bars

The invention discloses a vertical prefabricated concrete tower drum annular sheet steel bar binding tool and method.The vertical prefabricated concrete tower drum annular sheet steel bar binding tool comprises a binding support, a transverse steel bar end positioning plate, a transverse steel bar positioning plate and a longitudinal steel bar positioning plate, the binding support comprises a base distributed in an arc shape, and a plurality of stand columns are evenly distributed on the base; a sliding rail is arranged between every two adjacent stand columns, an installation pipe is arranged on each sliding rail in a sliding mode, the installation pipes can move in the axial direction of the sliding rails to form a binding area with the adjustable diameter, the transverse steel bar end positioning plates and the transverse steel bar positioning plates are matched to position and install transverse steel bars, the longitudinal steel bar positioning plates are detachably connected with the installation pipes, and the longitudinal steel bar positioning plates are detachably connected with the installation pipes. The longitudinal reinforcing steel bar binding tool is used for installing longitudinal reinforcing steel bars, the diameter of a binding area can be rapidly adjusted by moving the installation pipe, meanwhile, the longitudinal reinforcing steel bar positioning plate with the corresponding length is installed, the stable reinforcing steel bar binding tool can be formed, and therefore the tool adapts to concrete tower drum ring pieces of various structural diameters, and applicability is improved.
Owner:SHANGHAI TAZHI TECHNOLOGY CO LTD

Multi-layer prefabricated reinforcing mesh stacking and binding device and using method thereof

The invention relates to the technical field of constructional engineering, in particular to a multi-layer prefabricated reinforcing mesh stacking and binding device and a using method thereof.The multi-layer prefabricated reinforcing mesh stacking and binding device comprises channel steel binding platforms used for binding reinforcing meshes, and the multiple channel steel binding platforms are sequentially stacked from bottom to top; the channel steel binding platform comprises two pieces of symmetrically-arranged channel steel, a plurality of positioning clamping grooves are symmetrically formed in the opposite sides of the two pieces of channel steel, and the multiple positioning clamping grooves are evenly formed in the length direction of the channel steel. The reinforcing mesh comprises a plurality of transverse reinforcing steel bars and a plurality of longitudinal reinforcing steel bars, the transverse reinforcing steel bars are in lap joint with the corresponding positioning clamping grooves in the channel steel binding platform, and the longitudinal reinforcing steel bars are in lap joint with the upper portions of the transverse reinforcing steel bars at equal intervals. According to the stacking and binding device for the layer prefabricated reinforcing meshes, site resources can be saved, and the binding quality of the reinforcing meshes can be guaranteed.
Owner:CHINA NUCLEAR IND HUAXING CONSTR

A combined tube segment structure and method of manufacture

The application relates to the technical field of tunnel construction, and discloses a combined segment structure, which comprises a UHPC segment and concrete test blocks, a plurality of concrete test blocks are arranged on the outer side surface of the UHPC segment in sequence along the curvature direction of the UHPC segment, the UHPC segment is provided with main reinforcement and stirrups, the main reinforcement is provided with a plurality of strips along the curvature direction of the UHPC segment, a plurality of stirrups are sequentially sleeved on the plurality of main reinforcement and are connected with the main reinforcement through binding, the concrete test blocks are provided with transverse steel bars and longitudinal steel bars, the transverse steel bars extend to the outside of the concrete test blocks and are overlapped with the stirrups, and the longitudinal steel bars extend to the outside of the concrete test blocks and are overlapped with the main reinforcement. Compared with the prior art, the structure design realizes optimal control of material cost by filling the concrete test blocks in the non-key stress area under the premise of hardly sacrificing the core performance of UHPC materials such as strength, durability and stress condition, and effectively eliminates the core economic obstacle in the popularization process of the UHPC shield segment.
Owner:GUANGZHOU METRO GRP CO LTD +3

A concrete precast slab containing a sandwiched thermal insulation layer

The utility model belongs to prefabricated slab manufacturing technical field, concretely is a kind of concrete prefabricated slab containing sandwich thermal insulation layer, including thermal insulation board, the upper and lower of thermal insulation board is respectively provided with the reinforcing mesh surface being formed by transverse reinforcement and longitudinal reinforcement, tightening structure, the reinforcing mesh surface of the upper and lower sides of thermal insulation board is respectively acted with the both ends of tightening structure, in the thermal insulation layer of inside being provided with wave structure, can reduce the use of concrete, reduce the mass of prefabricated slab, to facilitate handling assembly, simultaneously under the self performance of thermal insulation layer, can improve the thermal insulation effect of prefabricated slab, in the process of buckling, can guarantee the form of reinforcing mesh surface, and the opposite pull of both sides, can reduce the concrete layer of forming to fall off, better guarantee the quality of the prefabricated slab of forming.
Owner:BAIYIN MINING & METALLURGY VOCATIONAL & TECH COLLEGE

Quickly detachable reinforcing mesh

The utility model provides a reinforcing mesh capable of being disassembled quickly, which belongs to the technical field of reinforcing meshes and is of a net structure formed by vertically connecting a plurality of transverse reinforcing steel bars and a plurality of longitudinal reinforcing steel bars, and connecting components are arranged at contact positions of the transverse reinforcing steel bars and the longitudinal reinforcing steel bars. The penetrating holes in the longitudinal steel bars are aligned with the penetrating columns to be downwards extruded, the penetrating holes extrude the elastic pieces on the penetrating columns, so that the elastic pieces are pressed into the mounting grooves till the penetrating columns completely penetrate through the penetrating holes, the horizontal height of the bottoms of the elastic pieces is equal to the horizontal height of the upper surfaces of the longitudinal steel bars at the moment, and under the action of resilience force of the elastic pieces, the longitudinal steel bars are fixed. When the longitudinal reinforcing steel bars need to be detached, only the two elastic pieces on the penetrating column need to be pinched, the elastic pieces are completely embedded into the mounting grooves, the elastic pieces cannot block the longitudinal reinforcing steel bars, then the longitudinal reinforcing steel bars are pulled upwards, and the longitudinal reinforcing steel bars can be detached. And the transverse steel bars and the longitudinal steel bars can be disassembled.
Owner:QINGDAO NIUDECAO WIRE MESH CO LTD

Novel construction device for preventing pile core from being polluted

The utility model relates to a novel construction device for preventing a pile core from being polluted, which relates to the technical field of pile foundation construction and comprises a base, a vertical reinforcing steel bar is connected to the center of the base, a fixing device is connected to the top end of the vertical reinforcing steel bar and comprises a transverse sleeve, two transverse reinforcing steel bars are sleeved on two sides of the sleeve, and the outer ends of the transverse reinforcing steel bars extend out of the sleeve. The base is fixed in the pile core through the fixing device, the vertical steel bar surrounds the air bag and blocks the pile core through the air bag, the annular air bag is filled in a gap between the outer side of the vertical steel bar and the inner side of the pile core, the blocking effect is better, slurry or garbage is prevented from falling into the pile core due to displacement and damage of the blocking baffle, and the possibility of pile core cleaning and water pumping is reduced; the construction efficiency and the construction quality of pile core grouting are improved; and the base and the air bag can be taken out when the pile core is grouted, so that the base and the air bag can be recycled.
Owner:THE SECOND CONSTR OF CHINA CONSTR EIGHTH ENG DIV +1

A steel-concrete composite orthotropic bridge deck and a design method thereof

The application discloses a steel-concrete composite orthotropic bridge deck and a design method thereof, and relates to the technical field of civil engineering, and solves the technical problem of a heavy self-weight and high steel ratio of a bridge deck in the prior art; the application comprises a concrete layer, a reinforcing mesh and a bottom steel plate are arranged in the concrete layer, the bottom steel plate is arranged at the bottom of the concrete layer, an open-hole steel plate is vertically arranged between the reinforcing mesh and the bottom steel plate, the open-hole steel plates are arranged in an array, the concrete layer between the longitudinally arranged open-hole steel plates is provided with a trapezoidal hollowing-out portion, the reinforcing mesh comprises transverse steel bars and longitudinal steel bars, and when the concrete layer is cast, concrete flows into the round holes of the open-hole steel plates to form concrete dowel shear connectors; and the concrete layer is made of ultra-high performance concrete; the application has a high concrete hollowing-out rate, a small cross-sectional area and a light self-weight, and solves the problem of a heavy self-weight of a steel-concrete composite orthotropic bridge deck.
Owner:SOUTHWEST JIAOTONG UNIV +1

A subframe assembly incorporating a dual-function load-bearing structure under the floor in the event of a side collision, and a motor vehicle incorporating such an assembly.

A subframe assembly comprising a dual-function load-bearing structure under the floor in the event of a side collision, and a motor vehicle comprising such an assembly. The invention relates to a subframe assembly (1) of a motor vehicle, comprising: - a front floor (5), comprising a front portion (7) and a central portion (9), said front and central portions being connected by welding, - a longitudinal side member (3), bordering a portion of said front floor, - a rear frame member (15), opposite said longitudinal side member, - a set of transverse stiffeners (25) connecting said longitudinal side member to said rear frame member, - a longitudinal reinforcement piece (17) extending longitudinally over the front portion (7) of said front floor.According to the invention, the base assembly (1) comprises a transverse reinforcement piece (27), extending transversely over the front part (7) of said front floor, connecting said rear frame (15) to said longitudinal reinforcement piece. Figure 2.
Owner:STELLANTIS AUTO SAS

Basement post-cast strip cover plate and mold

The basement post-cast strip cover plate comprises a plate body formed by concrete pouring, the plate body is of a rectangular structure, transverse reinforcing steel bars and longitudinal reinforcing steel bars are embedded in the plate body, and the corresponding intersection points of the transverse reinforcing steel bars and the longitudinal reinforcing steel bars are fixed in a twisted mode through binding wires. Extending sections are arranged on two end sides, corresponding to the plate body, of the longitudinal steel bars; a pouring hole used for pouring is reserved in the center of the plate body. The basement top plate and the side wall post-cast strip are sealed in advance through the prefabricated plates, basement top plate waterproof construction and earthwork backfilling work are conducted alternately, and the problem that the post-cast strip cannot be sealed for a long time is solved. Powerful guarantee is provided for accelerating the engineering construction progress, and meanwhile, the leakage condition of the post-cast strip is reduced. The construction period is shortened, the construction period is saved by two months, and the leakage rate is reduced by 5%.
Owner:ANHUI WATER CONSERVANCY DEV CO LTD

Prefabricated wall body for low-rise civil self-built house and connecting structure of prefabricated wall body

The utility model discloses a prefabricated wall for a low-rise civil self-built house and a connecting structure of the prefabricated wall. The prefabricated wall for the low-rise civil self-built house comprises a prefabricated wall body. First connecting notches are formed in the two transverse ends of the prefabricated wall body; a plurality of transverse steel bars with the two ends extending out of the connecting notches in the two ends of the prefabricated wall body are evenly distributed in the prefabricated wall body from top to bottom. The first connecting notches are formed in the two ends of the transverse ends of the prefabricated wall bodies, the transverse steel bars with the two ends extending out of the connecting notches in the two ends of the prefabricated wall bodies are evenly distributed in the prefabricated wall bodies from top to bottom, and when the transverse ends of the two prefabricated wall bodies are in butt joint, the two first notches form the pouring groove; after the two corresponding transverse steel bars are connected through the transverse connecting steel bars, concrete is poured into the pouring groove on site to complete transverse connection of the prefabricated wall body, the using amount of on-site formworks and steel bars is reduced, meanwhile, stirrups and longitudinal steel bars do not need to be bound on site, the using amount of the steel bars is greatly reduced, and therefore the material cost is reduced.
Owner:中铁建(无锡)工程科技发展有限公司

A reinforced anchorage structure for pull-out pile heads

This utility model provides a reinforced anchorage structure for tension-resistant pile heads, including a base plate, a pile body, and a pile frame. The pile body is disposed on the base plate; the pile frame is disposed within the pile frame and includes positioning ring bars adapted to adjust the vertical length of the anchorage reinforcement. The pile frame includes a support plate, longitudinal reinforcement, and transverse reinforcement. The support plate is disposed within the pile frame; the longitudinal reinforcement is disposed on the support plate and extends along the pile frame into the base plate; the transverse reinforcement is spaced apart on the longitudinal reinforcement and welded to it. In this utility model, by setting the above structure, the anchorage reinforcement can be fixedly connected, ensuring that the anchorage reinforcement will not be displaced due to external forces. Simultaneously, since the entire tension-resistant pile head is disposed within the base plate, the thickness of the base plate and the anchorage length of the reinforcement are not increased, thus reducing construction costs and shortening the construction period.
Owner:CHINA CONSTR SCI & IND CORP LTD +1

Fabricated bridge expansion device anchoring structure and construction technology

The invention belongs to the technical field of bridge construction, and discloses a fabricated bridge expansion device anchoring structure and a construction technology, the fabricated bridge expansion device anchoring structure comprises a first beam body and a second beam body, the first beam body and the second beam body are respectively provided with a mounting groove, the top of each mounting groove is connected with a plurality of connecting pieces, and the outer sides of the plurality of connecting pieces on the same side share an expansion joint structure; the connecting pieces comprise bottom plates and high-strength bolts, the bottom plates are connected with side plates, bolt holes are formed in the bottom plates, steel bar holes are formed in the side plates, transverse steel bars are slidably connected to the inner walls of the steel bar holes, and the first beam body and the second beam body are each provided with a plurality of mounting holes. The connecting pieces are fixedly connected with the corresponding first beam body and second beam body through the mounting holes and high-strength bolts, and the high-strength bolts are in threaded connection with nuts. According to the method, only the thin asphalt concrete surface layer needs to be cut off, the main body structure of the bridge cannot be damaged, mechanical anchoring is conducted through the connecting pieces and the high-strength bolts, and rapid and reliable connection between the expansion joint structure and the bridge structure is achieved.
Owner:BEIJING YIZHIDAO BRIDGE TECH CO LTD +1

Positioning horse stool structure for upper reinforcing steel bars

The utility model discloses a positioning horse stool structure for upper reinforcing steel bars, and mainly relates to the field of concrete construction. Comprising a cross rod, sliding sleeves are symmetrically and slidably connected to the two sides of the cross rod, supporting legs are arranged at the bottoms of the sliding sleeves, grooves are formed in one ends of the sliding sleeves, clamping grooves are formed in the other ends of the sliding sleeves, sliding bases are slidably connected to one side walls of the clamping grooves in the vertical direction, pressing rods for driving the sliding bases to slide are arranged on the clamping grooves, and rotating grooves are formed in the bottoms of the sliding bases; the tops of the rotating grooves are rotationally connected with pressing plates used in cooperation with the tops of the transverse steel bars, torsional springs are arranged between the pressing plates and the rotating grooves, fixing sleeves are arranged at the bottoms of the sliding sleeves, and the supporting legs are in threaded connection with the interiors of the fixing sleeves. The split head rib has the advantages that the technical problem that an existing split head rib is difficult to be used for reinforcing steel bars with different heights and intervals can be solved, the reinforcing steel bars with different intervals and heights can be positioned and supported, the effect of being matched with concrete buildings with different sizes is improved, and the convenience of actual use is greatly improved.
Owner:SHANDONG SANJIAN CONSTR ENG +1

Structural decoration integrated precast concrete slab applied to elevated station transformation

The utility model discloses a structure and decoration integrated precast concrete slab applied to elevated station transformation, the precast concrete slab is composed of a steel bar group and concrete wrapping the steel bar group, the steel bar group comprises an inverted U-shaped steel bar group, an inverted trapezoidal steel bar group and an inclined reinforcing steel bar group, the inverted U-shaped reinforcing steel bar group is composed of two vertical reinforcing steel bar groups and a first transverse reinforcing steel bar group, the inverted trapezoidal reinforcing steel bar group is composed of a second transverse reinforcing steel bar group, a third transverse reinforcing steel bar group and two inclined reinforcing steel bar groups, and the number of the inclined reinforcing steel bar groups is two; the upper portion of the prefabricated concrete plate is provided with a shutter installation groove used for installing the ventilation and smoke exhaust shutter, and the middle portion and the lower portion of the prefabricated concrete plate are each provided with a glass installation groove used for installing the double-layer laminated glass. The prefabricated concrete slab has the advantages that the adverse factors of long construction period, many potential safety hazards, dust raising, serious noise pollution, limited construction working surface and the like of the traditional integral cast-in-place can be effectively avoided by using the prefabricated concrete slab.
Owner:SHANGHAI TUNNEL ENGINEERING RAILWAY TRANSPORTATION DESIGN INSTITUTE +1

Lightweight concrete block structure

The invention discloses a lightweight concrete block structure, and belongs to the technical field of building structures, the lightweight concrete block structure comprises a block body, L-shaped connecting parts are arranged on the two sides of the block body in an up-down mirroring manner, the left-right adjacent connecting parts are buckled, and auxiliary blocks or damping structures are detachably connected between the adjacent connecting parts; a positioning groove is formed in the bottom of the building block body, and positioning protrusions making contact with the end of the positioning groove are arranged on the two sides of the top end of the building block body. The positioning protrusions are provided with grouting grooves penetrating through the building block bodies downwards, longitudinal steel bars are arranged in the grouting grooves, the longitudinal steel bars penetrate through the adjacent building block bodies upwards, and fasteners are arranged between the adjacent longitudinal steel bars. Transverse steel bars are arranged between the horizontally adjacent longitudinal steel bars; the invention aims to solve the problems that no fixing structure exists between existing building blocks, so that the building blocks are easy to misplace in the pouring process, and the anti-seismic property is low.
Owner:CHONGQING UNIV OF ARTS & SCI

Steel bar binding tool

The utility model relates to the technical field of building materials, and particularly discloses a steel bar binding tool. The binding device comprises a rack and a binding frame, the rack comprises a plurality of horizontal longitudinal rods, a plurality of vertical supporting legs and a plurality of inclined supporting rods, the horizontal longitudinal rods are connected through horizontal transverse rods, the lower ends of the inclined supporting rods are connected with the vertical supporting legs through an upper supporting frame, and a lower supporting frame is arranged below the upper supporting frame. The upper supporting frame and the lower supporting frame are connected through a connecting vertical rod; the binding frame comprises two long frames and two short frames, the two long frames are perpendicular to the horizontal longitudinal rods, a plurality of connecting vertical plates are arranged between the two short frames, and a plurality of longitudinal steel bar grooves are formed in the connecting vertical plates; transverse steel bar grooves are formed in the two short frames, a transverse bar length adjusting plate is arranged on the outer side of one short frame, and adjusting devices are arranged between the short frames and the transverse bar length adjusting plate and between the long frames and the longitudinal bar length adjusting bent plates respectively. The binding frame capable of being turned over is arranged, an operator can stand to operate when binding reinforcing steel bars, waist fatigue cannot be caused, time and labor are saved, and efficiency is high.
Owner:SHANDONG HUIDARUIHE BUILDING MATERIALS TECH CO LTD

A multifunctional welding platform and a method of using the same

The application discloses a multifunctional welding platform and an application method thereof, which comprises a platform panel, a plurality of supporting channel steels for supporting the platform panel, and reinforcing fences for connecting the supporting channel steels with adjacent supporting channel steels in terms of long axes of the platform panel; a plurality of F-shaped supporting frames are installed on the reinforcing fences; openings for the F-shaped supporting frames to penetrate are symmetrically arranged at the periphery of the platform panel; an angle steel is installed at the right angle between the upper openings 6d and 6e of the F-shaped supporting frame; one end of the angle steel is provided with a reference baffle, and the other end is provided with an opening; a plurality of round holes are arranged in the middle of the platform panel; functional molds are detachably installed on the round holes; the application has wide application range and can meet the use of cabin cover outfitting, straight ladders, pipe supports, railing columns, angle steels, seat frames and other outfitting parts; the welding platform has high structural strength, can meet the use of components with greater weight through the use of channel steels as supporting legs and transverse reinforcement, and has better safety, stability and durability.
Owner:GUANGZHOU WENCHUAN HEAVY IND

A tunnel support structure for tunnel construction

The utility model discloses a tunnel support structure for tunnel construction, including setting on the tunnel wall reinforced frame, the reinforced frame is by multiple longitudinal reinforcement, multiple horizontal reinforcement is composed, multiple longitudinal reinforcement and multiple horizontal reinforcement crisscross with tunnel wall and is pasted, the surface of reinforced frame has poured multiple groups of concrete, and multiple groups of concrete between setting have support mechanism, through the reinforcing mechanism of design, makes the tunnel support structure in the construction process, and installs reinforcing mechanism in the tunnel ground simultaneously, and is fixed with reinforced frame and links up, and reinforcing mechanism increases the contact area of reinforced frame and soft ground, and soft bottom layer can bear greater load, prevents reinforced frame from sinking into the bottom layer, and reinforcing mechanism can make reinforced frame stress more evenly, reduces the risk of inclination or displacement caused by local excessive stress, maintains the stability of the whole tunnel support structure whole.
Owner:CHINA CONSTR SEVENTH ENG DIVISION CORP LTD

Detachable steel wire mesh fixing tool for post-cast strip

The utility model belongs to the technical field of building construction, and particularly relates to a detachable steel wire mesh fixing tool for a post-cast strip, which comprises a steel reinforcement framework, a plurality of connecting sleeves and a plurality of steel reinforcement sections, one end of the connecting sleeve is used for the corresponding vertical steel bar to stretch into, and the other end of the connecting sleeve is used for the corresponding steel bar section on the water stop steel plate to stretch into. According to the utility model, the connection between the vertical reinforcing steel bars and the reinforcing steel bar sections is realized by utilizing the connecting sleeves, so that the reinforcing steel bar framework is fixed on the water stop steel plate, and the dense-mesh steel wire mesh is further fixed; when the steel reinforcement framework needs to be dismantled, the connecting sleeve is separated from the steel reinforcement section, the steel reinforcement framework does not need to be cut and can be repeatedly used, and the construction cost is reduced.
Owner:NO 3 ENG COMPANY OF CHINA RAILWAY NO 8 ENG GRP +1

Cement polyphenyl granule module brick for civil house building

The cement polyphenyl granule module brick for the civil house building comprises two outer calcium silicate plates, cement polyphenyl granule side plates are fixedly attached to the opposite sides of the two outer calcium silicate plates, and the two cement polyphenyl granule side plates are integrally formed and connected through a cement polyphenyl granule connecting block; the cement polyphenyl granule side plates formed by mixing cement, fly ash and polyphenyl granules and the cement polyphenyl granule connecting blocks are utilized, so that the density of the whole module brick is reduced, the load of the whole structure of a civil house building is reduced, the fireproof performance and the sound insulation performance are improved by utilizing the mixing characteristic of the cement, the fly ash and the polyphenyl granules, and the heat loss is reduced; and through cooperation of the transverse steel bar binding and pouring channels and the longitudinal steel bar binding and pouring channels, steel bar binding and concrete pouring are achieved, the overall wall strength is improved, and the anti-seismic performance is improved.
Owner:赵卫朋

Precast beam reinforcement cage quality detection robot fusing multi-source heterogeneous data

This invention discloses a robot for quality inspection of precast beam reinforcement cages that integrates multi-source heterogeneous data, belonging to the field of building engineering quality inspection. The system includes: a mobile scanning subsystem, which autonomously moves around the reinforcement cage under test, avoids obstacles, and collects multi-site 3D point cloud data; a data processing subsystem, which automatically registers the multi-site point cloud data, analyzes the registered model, automatically extracts features of longitudinal reinforcement, transverse reinforcement, gaskets, and corrugated pipes, and calculates key quality data such as reinforcement spacing, number of bars, length, and the number and location of gaskets; and a report generation subsystem, which summarizes the calculated data and automatically generates a standardized inspection report. The method of this invention includes path planning, data acquisition, point cloud registration, feature extraction, data calculation, and report generation steps. This invention overcomes the shortcomings of low efficiency, poor accuracy, low safety of manual inspection, and the cumbersome nature of traditional scanning methods, achieving automated, high-precision, and full-coverage quality inspection of reinforcement cages, thus improving inspection efficiency.
Owner:SUZHOU PAIKECE CONSTR TECH CO LTD +1

Prestressed construction column structure and construction method suitable for reinforcing stone arch bridge pier body

The application provides a prestressed construction column structure suitable for reinforcing a stone arch bridge pier body, comprising a plurality of reinforced concrete construction columns arranged in the interior of the pier body, each direction construction column is connected into a whole through a corbel structure and a tie beam structure, and prestressed beam structures are arranged in the interior of each construction column; the prestressed beam structures extend upward to the top of the corbel structure and extend downward to the bearing platform, thereby applying prestress to the construction column; a longitudinal reinforced concrete corbel connects the construction columns into a whole along the longitudinal direction of the bridge, and the both ends thereof form cantilevers; a transverse reinforced concrete corbel connects the construction columns into a whole along the transverse direction of the bridge, and the both ends thereof are flush with the edges of the construction columns. The prestressed construction column structure can reinforce the stone arch bridge pier body, improve the shearing strength of the pier body, avoid the adverse effect of the strong horizontal force formed by water flow on the root of the pier body under the action of water flow, enhance the integrity of the stone arch bridge, and improve the bearing capacity of the stone arch bridge.
Owner:CHINA RAILWAY CONSTR BRIDGE ENG BUREAU GRP CO LTD