256 results about "Falsework" patented technology

The application discloses the technical field of building construction, in particular to a post-pouring zone independent support system and an implementation method, which adopts a post-pouring zone first formwork support system to erect a jacking support together with a scaffold and a wooden formwork, cracks and water seepage at a stress position after jacking after the formwork is removed are prevented, and hidden problems are prevented from occurring, through jacking treatment of a top support plate at the top of an inclined support and a vertical support rod two, the jacking and blocking effect of the post-pouring zone is ensured, the blocking effect is ensured by mutually splicing the blocking plates to form a whole, and the vertical height of the vertical support rod one and the vertical support rod two is adjustable to ensure the adaptation to various jacking heights. The post-pouring zone formwork support system after jacking after the formwork is removed can not find cracks and water seepage at a stress position after jacking after the formwork is removed, but the root problem cannot be solved, and only the speed of cracks at the stress position can be temporarily delayed, but various subsequent problems will gradually appear, and normal use is affected.

The invention discloses a large cantilever concrete structure formwork layered anchor pulling construction method and an intelligent monitoring system, and particularly relates to the field of building construction.The large cantilever concrete structure formwork layered anchor pulling construction method comprises the steps that a 16 # I-steel cantilever heavy frame is installed by pre-burying a high-strength bolt sleeve and conducting three-dimensional positioning; the first to sixth rows of frame bodies are erected layer by layer, a secondary top layer is poured, and the first to fourth phi-20 flower basket pull rods are sequentially installed after top layer concrete is poured; then main and secondary keels and an adjustable jacking are installed, a formwork is laid, and the elevation is corrected to be + / -3 mm; steel bar numerical control machining straight thread connection and water and electricity pre-burying are synchronously completed; arranging a vibrating wire strain gauge, a spoke pressure gauge and a tilt angle sensor, uploading data to the BIM in real time, and establishing load-deformation dual-threshold early warning; after the formwork is removed, a scaffold and a main body structure are tied and reinforced in time at the upturning ridge of the eave gutter on the top layer of the concrete structure according to a wall connecting piece method through steel pipe fasteners; the formwork and the outer protection frame are integrated, concrete is poured twice, early warning and alarm linkage are achieved, and safety and high efficiency are achieved.

This invention discloses a construction method for cast-in-place box girder spanning an existing overpass, comprising the following steps: Step 1: Construction preparation stage, including foundation treatment, formwork processing, and steel reinforcement processing; Step 2: Erection and reinforcement of full-span scaffolding. First, the scaffolding is erected. After the scaffolding is erected, the bottom formwork and outer side plates of the box girder are installed. Then, the scaffolding is pre-stressed. After unloading, the elevation of the bottom formwork is adjusted as needed. Finally, the inner side formwork and the bottom formwork of the top plate of the box girder are installed; Step 3: Casting of the box girder. After the entire cross-section of the box girder is cast, it is cured. Tensioning is performed when the concrete strength reaches 85% of the design strength, and finally, grouting is carried out; Step 4: Dismantling of the scaffolding. In this invention, disc-lock full-span scaffolding is used to reinforce existing highway bridges. Disc-lock full-span scaffolding is then erected on top of the existing highway bridge as cast-in-place scaffolding. Installation and dismantling are convenient and can save construction time.

The application discloses a bridge maintenance platform and a maintenance method, wherein the bridge maintenance platform comprises a longitudinal support beam and a walking mechanism slidingly installed on the longitudinal support beam; the longitudinal support beam is horizontally arranged and fixedly connected with a bridge; a manned lifting mechanism is hung below the walking mechanism; and the walking mechanism drives the manned lifting mechanism to move horizontally along the longitudinal support beam. The bridge maintenance platform can be fixed on the bridge, does not affect the traffic on the bridge and the navigation under the bridge, can be fixed on the bridge for a long time, can be used for the bridge inspection and maintenance at any time, and the staff can stand on the bridge maintenance platform to control the movement of the bridge maintenance platform to conduct the dead angle-free inspection and maintenance on each part of the bridge without the need of erecting a scaffold, thereby saving time and effort. The bridge maintenance platform is not affected by the traffic on the bridge and the topography and geomorphology under the bridge, and is suitable for the maintenance of various bridges.

The utility model relates to the technical field of building engineering, concretely relates to the optimization design of the structure of external scaffold and steel sheet net connecting device, the utility model is realized through the following technical scheme: a kind of external frame steel sheet net connecting device, including connecting steel pipe and connecting plate, the one end of connecting steel pipe is provided with the slot for the insertion of connecting plate along its length direction, and the slot extends the clamping interface of connecting steel pipe in the circumferential direction;Connecting plate includes the horizontal main part of part insertion in the connecting steel pipe, and the convex part of the clamping interface resistance cooperation that is outwardly extended horizontally from horizontal main part. The utility model aims at the improvement of the structure of connecting steel pipe and connecting plate itself, the stable connection of both can be realized without additional connecting bolt, eliminate the security risk caused by bolt drop, enhance the security and stability in construction process.

The application relates to a wall reverse construction method and a construction device, and relates to the technical field of building wall construction. In order to solve the problem that it is inconvenient to convey blocks to a high scaffold for wall construction by construction personnel, the device comprises a base, a construction platform, a guide pipe and a lifting arm. A plurality of moving wheels are arranged on the base. The construction platform is arranged on the base in a liftable mode. The guide pipe is vertically arranged on the base. One end of the guide pipe is telescopically connected to a floor slab. The lifting arm is slidably arranged on the guide pipe and is used for conveying blocks. The application has the effect that the construction personnel can conveniently perform block laying work on the wall at a high position.

This invention belongs to the field of bridge maintenance technology and proposes a method for reinforcing cracks in bridge corbels, including the following steps: S1. Scaffolding erection; S2. Bridge bottom surface cleaning; S3. Vertical drilling of the bridge; S4. Erection of the reinforced box girder; S5. Fixing of the reinforced box girder; S6. Side formwork erection; S7. Grouting; S8. Formwork removal; S9. Groove filling and post-construction maintenance. This invention provides a strong support to the original bridge bottom surface by reinforcing the box girder and injecting reinforcing grout into the cracks and grouting cavities. After the grout solidifies, it not only repairs the damaged cracks inside the corbel but also tightly bonds the reinforced box girder, the solidified grout, and the original bridge structure together, improving the reinforcement effect and overall load-bearing capacity of the bridge corbel.

The utility model discloses a support-free detachable fixed template application structure applied to an assembly type structural system, which comprises a prefabricated truss reinforced concrete lower chord member, a floor slab prefabricated layer, more than one group of connecting supports and through fixing bolts, the connecting supports are arranged on the two sides of the prefabricated truss reinforced concrete lower chord side by side, a space used for pouring the truss reinforced concrete upper chord is formed between the opposite connecting supports, the connecting supports are installed on the prefabricated truss reinforced concrete lower chord through oppositely-penetrating fixing bolts, and the floor slab prefabricated layer is connected to the upper portions of the connecting supports in a lap joint mode. By the adoption of the method, a part of or even all scaffolds can be omitted, and the detachable standard connecting support designed in the utility model can be used as a temporary support of a main beam cast-in-place part side mold and a floor slab at the same time, and is fixed on a main beam prefabricated part through a split bolt; and the split fixing bolts in the cast-in-place height range can be accurately positioned according to the width requirement and support is formed.

The utility model relates to the technical field of building construction, and provides a liftable protective shed for a construction elevator in a hoistway, which comprises a protective platform and a support frame arranged below the protective platform; the supporting frame comprises a supporting platform, a vertical supporting rod, an inclined supporting rod and a clamping angle short rod. The supporting platform, the vertical supporting rods and the inclined supporting rods are connected to form a right triangle structure. The upper ends of the vertical supporting rod and the inclined supporting rod are connected to the two ends of the supporting platform respectively. The corner clamping short rod is connected to the joint of the lower ends of the inclined supporting rod and the vertical supporting rod, a right-angle bayonet with a downward opening is formed by the corner clamping short rod and the lower end of the inclined supporting rod, and the right-angle bayonet is used for abutting against the edge of a lower building structure; the end, connected with the inclined supporting rod, of the supporting platform is used for abutting against the side wall of the upper building structure. The protective shed can meet the requirements for rapid movement and reutilization, the problem that a scaffold needs to be disassembled and erected repeatedly in a traditional protective mode of the elevator shaft is solved, manpower and material resources are saved, the construction period is shortened, and rapid construction is facilitated.

This invention provides a rapid installation method for a building construction machine, comprising: Step 1: completing the construction of the wall structure from the first to the third floor and pre-embedding the anchor points; Step 2: installing vertical support structures at the anchor points using suspension shoe assemblies; Step 3: dismantling the inner scaffolding and installing the hanging anchor point supports; Step 4: hoisting the lower part of the inner frame; Step 5: hoisting the upper part of the inner frame, which is then hoisted after the lower frame is securely installed and fixed to the lower frame; Step 6: assembling the top construction platform in sections and groups as much as possible from the ground, then hoisting it to the corresponding vertical support structures and fixing it thereto; Step 7: dismantling the outer scaffolding, hoisting the outer construction platform, and installing it to the top construction platform; Step 8: carrying out the hoisting construction and completing the installation. This method enables rapid installation of the building construction machine.

This invention discloses a lifting support device, belonging to the technical field of pipe fitting construction equipment. The lifting support device includes: a support frame, a bracket, a height adjustment device, and a horizontal movement device. The bracket supports the pipe fittings, is mounted on the support frame, and is vertically movable along the support frame. The height adjustment device is connected to the bracket and is used to move the bracket vertically and stop it at a predetermined height. The horizontal movement device is located at the bottom of the lifting support device and is used to allow the lifting support device to move freely horizontally. During the disassembly or installation of pipe fittings, the bracket provides support, eliminating the need for scaffolding. The horizontal movement device allows the lifting support device to move horizontally, enabling the lifting support device to transport the pipe fittings, saving manpower and resources, improving work efficiency, and enhancing construction safety.

The application relates to the technical field of building construction, in particular to a structure reserved hole cantilever plate reinforcing construction method.The method comprises the following steps of S1, obtaining structure plate horizontal reserved hole related parameters; S2, establishing a BIM model according to the obtained structure plate horizontal reserved hole related parameters; S3, determining the reserved hole position and size according to the established BIM model; and S4, determining the added structure beam section model by using stress software according to the reserved hole position and size; the PKPM software is used for component stress calculation and analysis, the support steel beam structure deformation and safety analysis are designed, and the scheme safety and accuracy are guaranteed. The added structure beam structure system greatly reduces the construction cost caused by full-support scaffold measures.

The application discloses a kind of steel building body arc piece connection construction method, comprising: the following arc steel beam piece is stressed whole to the arc steel beam piece on top and is supported, to present the construction process of the fixed pull tie system of steel building body arc piece.The arc steel beam piece of lower side is connected and positioned by spot welding plate and steel structure building body side edge spot welding connection, simultaneously by pull rod pull tie stress and bottom support rod support, so that the arc steel beam piece of lower side forms stressed whole to install upper support rod support in the arc steel beam piece on top, after the arc steel beam piece on top is welded and fixed with steel structure building body by welding layer, the arc steel beam piece of lower side can be welded with steel structure building body immediately, solve the problem that after the arc steel beam piece on top is supported by erecting scaffold from ground and construction, it needs to be disassembled to install and construct the arc steel beam piece of lower side, improve construction efficiency.

The application relates to a design and construction method of an assembled concrete pipe gallery. The construction method comprises the following steps: S1, prefabricating a concrete column and a concrete beam, the end of the concrete beam is reserved with exposed beam end steel bars, and the connecting side surface of the concrete column is embedded with protruding column side steel bars; S2, hoisting the concrete column, anchoring the lower end of the concrete column in the bearing platform foundation, and adjusting and fixing the verticality and elevation; S3, installing an independent temporary support structure between two adjacent installed concrete columns; S4, hoisting the concrete beam, erecting the two ends of the concrete beam on the temporary support structure, and cross-over arranging the beam end steel bars and the column side steel bars to form a steel bar connecting joint; the application greatly reduces high-altitude operation and the use of a scaffold, the main operation is completed on the ground or at low altitude, the safety risk is reduced, prefabrication and installation can be carried out in a flow, and the construction period is significantly shortened.

This invention provides a prefabricated building construction platform and its construction method, belonging to the field of building construction sorting technology. The prefabricated building construction platform and its construction method include a support assembly and guide rails. Multiple guide rails are spaced apart front to back and are fixedly installed on embedded parts in the wall, extending vertically. The support assembly is fixedly connected to the embedded parts on the wall. A support plate is provided at the top of the support assembly, extending horizontally. Mounting frames are provided at both ends of the support plate, and an operating platform is fixedly connected between two mounting frames. A vertically connected passage is provided on the operating platform. The support assembly supports the support plate, mounting frames, and operating platform. A hydraulic mechanism enables the support plate, mounting frames, and operating platform to be raised and lowered. This eliminates the need for extensive scaffolding to support the operating platform, reducing material waste and improving work efficiency.

The utility model provides an engineering building scaffold convenient to feed, which belongs to the technical field of scaffolds and comprises a scaffold body, a mounting plate arranged on one side of the top of the scaffold body, a triangular fixing frame arranged on one side of the mounting plate, supporting frames arranged on two sides of the bottom of the triangular fixing frame, and guide rails arranged on two sides of the supporting frames. A moving block is slidably connected into the guide rail, a moving pulley is rotatably connected to the inner side of the moving block, an article placing frame is arranged at the bottom of the moving block, an upper traction wheel is rotatably connected to the top of the supporting frame, a synchronous motor is embedded in one side of the supporting frame, a winding shaft is fixedly connected to the output end of the synchronous motor, and a traction cable is arranged among the winding shaft, the moving pulley and the upper traction wheel. According to the engineering building scaffold convenient to feed, the traction force of the output end of the synchronous motor is reduced through the movable pulley of the movable pulley structure, the load of the output end is reduced, and therefore heavier objects can be pulled through smaller power.

The invention discloses a high-variable-step raft concrete integrated construction method, and relates to the technical field of building construction. The method is implemented according to the steps of positioning and paying off, steel bar binding, inner frame installation and support throwing, concrete pouring, formwork removal and support throwing. Construction joints are reduced through integrated pouring, and the leakage risk is reduced; the ring buckle inner frame is reasonably arranged and can also serve as a top plate scaffold, and repeated operation is reduced; and the embedded steel bars are matched with the adjustable base to guarantee construction stability. The method can improve the integrity of the raft, simplify the process, shorten the period and reduce the cost, and is suitable for variable-order raft construction of high-rise building complex engineering.

The invention relates to the technical field of constructional engineering, and discloses a foldable cantilever scaffold device. Through the collaborative design of the folding assembly (the supporting piece and the adjusting rod) hinged to the I-shaped steel and the sliding assembly, the traditional upward pulling type and downward supporting type functions are integrated, and double-mode dynamic switching is achieved; the angle rotation of the supporting piece enables the device to be flexibly switched between a cantilever downward supporting mode and a cable-stayed anchoring mode; a U-shaped sliding block of the sliding assembly slides along a flange of the I-shaped steel, the position of a limiting rod is adjusted in real time along with the length of the cantilever through an adjusting bolt, and it is ensured that supporting force accurately acts on the optimal force bearing point; the equidistant holes of the adjusting rod are matched with the bolts of the limiting rod to provide multi-gear height adjustment to adapt to different floor heights and loads. The supporting piece and the adjusting rod are hinged, so that the anti-overturning force of an upward-pulling mode and the stability of a downward-supporting mode are enhanced respectively. The device can be folded and stored in I-shaped steel flange plates, the storage and transportation space occupancy rate is remarkably reduced, and standardized components support repeated use. The problems that a traditional scaffold is single in function and rigid in adjustment are solved through a modular pin joint, sliding locking and dual-mode bearing system, and a standardized high-adaptability supporting scheme is provided for high-rise and special-shaped structures.

The application discloses a kind of anti-falling climbing hanging ladders, comprising: ladder frame, a set of symmetrically arranged hook above the ladder frame;Setting on one side of the ladder frame, the anti-falling mechanism includes fixedly installed one side of the ladder frame, the anti-falling device of the application, by setting hook on ladder frame, can make ladder frame hang in the steel frame of building construction scaffold, when construction personnel are located below ladder frame, can be via external mobile phone terminal through motor wireless receiving module control traction motor access power and start, its start winding traction rope, by setting anti-falling device on the lateral side of ladder frame, safety rope on anti-falling device is fixed with safety ring, and then construction personnel climb on ladder frame and work, if appear to step empty or lose balance, instantaneous tension will trigger anti-falling device, and then through anti-falling device control construction personnel slowly fall, to reduce risk, improve construction safety.

This application discloses a reverse construction process for cast-in-place overpass pile and column integrated casting, belonging to the technical field of overpass construction. It includes the following steps: S1, road maintenance; S2, integrated pile and column casting; S3, abutment and cap beam construction; S4, box girder casting using the ground formwork method; S5, ancillary structure construction; S6, earthwork excavation and pier finishing; S7, tie beam construction. This application, by adopting a reverse construction process of "maintaining road access first, then constructing the structure, and finally excavating," overturns the traditional forward construction logic, ensuring uninterrupted access to existing roads and eliminating the need for detours during construction, significantly reducing social conflicts. Integrated pile and column casting creates a seamless, integral structure between the pile foundation and pier, improving structural integrity and load-bearing capacity. The ground formwork method for casting box girders eliminates the need for full-span scaffolding, avoiding the safety risks of high-scaffolding construction. Simultaneous layered earthwork excavation and pier finishing avoids high-altitude scaffolding work, significantly reducing construction safety risks.

This utility model discloses a cableway suspended platform installation structure, relating to the field of building construction technology. It includes a suspended platform guide mechanism and a suspended platform suspension mechanism installed on the top of a building. The guide mechanism comprises a guide mechanism frame and a guide wire rope. The upper end of the guide wire rope is connected to the guide mechanism frame, and the lower end is connected to the bottom of the building. The guide wire rope is inclined relative to the ground. A suspended platform is installed on the guide wire rope, and a pulley mechanism is installed on the suspended platform. The guide wire rope is connected to the pulley mechanism. The suspended platform suspension mechanism comprises a suspension mechanism frame and a suspension wire rope. The upper end of the suspension wire rope is connected to the suspension mechanism frame, and the lower end is connected to the suspended platform. The suspension wire rope is also connected to the movable end of a hoist. This cableway suspended platform installation structure can be installed on inclined facades and can be used for curtain wall construction, etc. It is convenient to install and dismantle, safe to operate, and saves time, solving a series of problems such as difficult scaffolding erection, high costs of scaffolding measures, and impact on construction schedules.

The water stop base comprises an upper lead screw and a lower lead screw, the upper lead screw and the lower lead screw are connected through a rubber connector, a first base is fixed to the bottom of the lower lead screw and located on a formwork at the bottom of a concrete floor, an adjusting nut is installed on the upper lead screw in a threaded mode, and the adjusting nut is connected with the lower lead screw in a threaded mode. According to the construction method, the construction efficiency is improved, the construction cost and the leakage risk are reduced, and the construction quality is improved.

The utility model provides a tunnel inverted arch waterproof plate laying supporting structure which comprises a platform frame located on the top, a platform top plate is laid on the top of the platform frame, a plurality of horizontal wheel sets are installed on the inner side edge of the platform frame, and the horizontal wheel sets are in sliding fit with an upper sliding way laid on the inner side wall of a tunnel. A triangular supporting frame structure is fixed to the bottom of the platform frame, a plurality of vertical wheel sets which are vertically arranged are fixed to the bottom end of the triangular supporting frame structure, and the vertical wheel sets are in sliding fit with a lower sliding way laid on a tunnel bottom plate. The supporting structure is of an integral structure, can well adapt to tunnel secondary lining waterproof laying construction, replaces a traditional scaffold supporting mode, can be conveniently and integrally moved after being formed at a time and then is reused, construction efficiency is effectively improved, construction difficulty is reduced, and safety of the operation process is guaranteed.

The utility model discloses a construction platform for a building machine horizontal structure lag construction elevator shaft, and relates to the technical field of building machines. The elevator shaft construction platform comprises four lower hanging vertical rods, X-direction platform beams and Y-direction platform beams, wherein the lower hanging vertical rods are fixedly connected with steel wire ropes; the X-direction platform beams and the Y-direction platform beams are fixedly arranged around the peripheral sides of the lower hanging vertical rods at intervals; the lower hanging vertical rods, the X-direction platform beams and the Y-direction platform beams form a shaft body structure; a construction platform steel gangplank is horizontally installed in the well body structure, a people passing opening is formed in the surface of the construction platform steel gangplank, and a crawling ladder is installed at the bottom of the people passing opening. A bottom inclined construction platform steel gangplank is installed below the well body structure, a bottom supporting plate is obliquely arranged below the inclined construction platform steel gangplank, and one side of the bottom supporting plate abuts against the vertical structure wall. The device is simple in structure, low in manufacturing and using cost and convenient to mount and dismount; compared with a huge scaffold structure in the prior art, building and using are more convenient and efficient.

The invention relates to the technical field of floor support plate bottom supporting construction, and particularly discloses an assembly type floor support plate bottom mutual-climbing stand column frame structure which comprises a left stand column, a right stand column, an arm frame unit, a mutual-climbing unit and an attached plate unit, the attached plate unit is arranged on the periphery of a hole where a floor support plate is installed, and first guide rails are arranged on the opposite sides of the left stand column and the right stand column; the opposite sides of the left stand column and the right stand column are provided with second guide rails, the mutual climbing unit is slidably connected with the first guide rails, the plate attaching unit comprises two plate attaching devices, each plate attaching device comprises a base, a guide assembly arranged on the base and a supporting assembly arranged on the guide assembly, the bases are fixedly connected with an installed floor support plate, and the guide assemblies are fixed to the bases. And the guide assembly comprises two guide parts which are symmetrically arranged, and one side of each guide part is in sliding connection with the adjacent second guide rail, so that the to-be-installed floor support plate is supported, the large burden on materials, time and labor cost caused by erecting an all-round scaffold or a similar supporting structure is avoided, and the installation cost is saved.

The utility model discloses a civil engineering safety scaffold which comprises a scaffold and an adjusting mechanism, and the upper surface of the scaffold is fixedly connected with a supporting seat. The adjusting mechanism comprises a two-way screw rod, sliding seats, a connecting rod, a first limiting column, a fixing plate, a U-shaped seat, a supporting column and a supporting plate, the two-way screw rod is rotationally connected into the supporting seat, the sliding seats are in threaded connection with the left side and the right side of the outer surface of the two-way screw rod, and the sliding seats are slidably connected into the supporting seat; the interior of each sliding seat is rotationally connected with a connecting rod through a pin shaft, the front side and the rear side of the interior of the scaffold are each provided with a first limiting column, a fixing plate is slidably connected between the two first limiting columns, and the left side and the right side of the lower surface of the fixing plate are each provided with a U-shaped seat. And the situation that the construction work is affected due to the fact that the scaffold moves is avoided.

The utility model relates to the technical field of beam body cutting, in particular to a partitioning type cutting system for cutting an existing beam body, which comprises a rope saw cutting machine and a steel pipe fastener type scaffold arranged on one side or two sides of an existing bent cap. The rope saw cutting machine is arranged on the steel pipe fastener type scaffold, a rope saw chain of the rope saw cutting machine penetrates through a drill hole formed in the existing track beam, and the rope saw cutting machine conducts sleeve cutting on the existing track beam. The utility model has the advantages that the cutting operation time of the existing beam body is shortened, and the construction efficiency is improved; the construction structure is simple, reasonable, convenient to construct and suitable for popularization.

This invention belongs to the field of building construction technology, and particularly relates to a method for enclosing a pre-reserved material hoisting opening in ultra-high clearance structures without the need for formwork. The method includes the following steps: Step A, material preparation before construction, specifically including: Step A1, selecting H-beams conforming to national standards as the main beam; Step A2, prioritizing the use of scaffolding steel pipes as connecting supports; Step A3, preparing tie rods for connection and fixation; Step B, pre-construction preparation, using H400×400×15×20 H-beams, corresponding specifications of steel pipes, and 14mm diameter tie rods for construction, and setting up a small opening of appropriate size. After reinforcement, the material hoisting opening exhibited good stability during subsequent construction. During the bottom formwork removal stage, the small opening facilitated the removal work, meeting project schedule and quality requirements, and shortening the construction period by 50%. After construction, the material hoisting opening was well-sealed, no safety accidents occurred during construction, and construction costs and time were effectively controlled.

The invention discloses a construction method for an aluminum formwork supporting system of a hollow ribbed floor ribbed beam, and relates to the technical field of building engineering construction. The method comprises the steps that the size of a core mold is determined by combining the floor span, the design load and the concrete strength grade, rib beams are positioned through a two-way coordinate marking method with the axis of a frame column as the benchmark, a core mold arrangement diagram is generated by integrating a structure drawing and a water and electricity installation drawing, and aluminum mold matching and node bulk sample design are conducted based on the core mold arrangement diagram. The distance between vertical rods and force transmission path parameters are set, and it is ensured that the supporting system is matched with the stress of the ribbed beams; accurate alignment of the support and the ribbed beam is achieved according to the process of aluminum mold installation, ribbed beam paying-off, beam and bottom rib installation, ribbed rib installation, embedded pipeline laying, core mold installation, anti-floating fixing, plate surface rib binding, concrete pouring and aluminum mold removal. The problems of support deviation, low wood mold process precision and poor aluminum mold adaptability caused by modulus limitation of a traditional scaffold are solved.

The invention relates to the technical field of fabricated building structures, in particular to a steel-concrete composite structure precast beam. The steel-concrete composite structure precast beam adopts the combination of a reinforced concrete beam section, a beam end steel structure connecting assembly and a beam bottom steel structure embedded part, cast-in-place concrete operation of beam column joints, beam wall joints and beam plate joints is basically canceled, compared with traditional wet operation, the amount is reduced by more than 80%, single-joint construction time is shortened, and construction waste is reduced by more than 50%; the concrete cantilever lug plates directly bear the load of the floor slab, erection of an all-round scaffold is omitted, the beam ends are installed through the beam end steel structure connecting assemblies to form a stable frame structure in time, the temporary supporting cost is saved by 12%-16%, and the installation efficiency of the floor slab and the wallboard is remarkably improved; the installation of the main body structure of the steel-concrete composite structure precast beam only needs hoisting team operation, and most processes are integrated in components by a component factory, so that the multi-process integration and cross operation are reduced by 80%, the on-site personnel density is reduced, and the labor cost is saved.