CN116876844A - Integrated high-altitude splicing construction method for deformed steel structure and decorative plate - Google Patents

Abstract

The invention relates to the technical field of building construction, in particular to a special steel structure and decorative plate integrated high-altitude splicing construction method, which comprises the following steps: the steel truss comprises a main structure column and a main structure truss beam, wherein the main structure column is connected with a main structure parapet and a transverse steel truss beam, the main structure truss beam is connected with a No. 2 steel pull rod, the No. 2 steel pull rod and the transverse steel truss beam are connected with galvanized steel pipes, a metal roof board is arranged above the No. 2 steel pull rod, and one end of the main structure truss beam, far away from the No. 2 steel pull rod, is provided with a No. 1 longitudinal steel truss beam; the beneficial effects are as follows: according to the invention, through high-altitude splicing of the vacant part of the steel beam supporting point in the ground splicing process, the vacant part is only around the supporting point, large-area aluminum plate coating construction is not needed to be carried out in hundred meters of high altitude, the conventional overhanging scaffold is used as a carrier for splicing the small-range aluminum plates, the construction process of the large-area high-altitude spliced decorative plate is improved, and the risk of high-altitude operation is greatly reduced.

Description

Integrated high-altitude splicing construction method for deformed steel structure and decorative plate

Technical Field

The invention relates to the technical field of building construction, in particular to an integrated high-altitude splicing construction method for a deformed steel structure and a decorative plate.

Background

In recent years, along with the development of urban construction progress, building appearance models are continuously developed, roof repair surface designs are more diversified, overhanging sloping roofs are more common, and the overhanging sloping roofs are attractive in appearance due to cooperation of lamp belts, so that construction of the overhanging sloping roofs becomes one of the great difficulties in engineering construction.

Along with the continuous improvement of the building construction technology, the design and construction of the overhanging slope roof are also improved, and the overhanging steel structure roof and the decorative plate are adopted to replace the traditional overhanging concrete slope roof generally, but the following defects still exist:

1. when the overhanging length of the overhanging steel structure sloping roof is large (for example, the overhanging length is 4.2 meters), the building is high (for example, the elevation of the top surface of the overhanging steel structure sloping roof is at 100.55), and an outer-covered aluminum plate is arranged at the bottom of the steel structure as a decorative plate, the steel structure sloping roof has the characteristics of high-altitude operation difficulty, high safety risk, long construction period and high cost;

2. the traditional overhanging steel structure sloping roof is connected with a main body structure in a form of embedded bolts, so that risks of insufficient construction precision and errors exist, and the risks of reinforcement corrosion due to leakage of later-stage bolts and insufficient concrete vibration at the embedded bolts are possibly caused;

3. the control difficulty of the hundred-meter high-altitude splicing precision of the traditional cantilever steel structure sloping roof is high, and the effective precision control cannot be carried out.

Aiming at the problems, the invention provides an integrated high-altitude splicing construction method for a deformed steel structure and a decorative plate.

Disclosure of Invention

The invention aims to provide an integrated high-altitude splicing construction method for a deformed steel structure and a decorative plate, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a profiled bar structure, the profiled bar structure comprising:

the steel frame comprises main structure columns, wherein main structure parapet walls are arranged between the main structure columns, a plurality of uniformly distributed transverse steel frame beams are arranged on one sides of the main structure columns and the main structure parapet walls, the transverse steel frame beams are connected with an aluminum-clad veneer, and a steel structure cantilever plate is arranged on the inner side of one end of the aluminum-clad veneer;

the main part structure flower frame roof beam is located one side of main part structure post, main part structure flower frame roof beam is connected with a plurality of and horizontal steel frame roof beam corresponding 2# steel tie rod, main part structure flower frame roof beam is connected with first reinforcing bar, a plurality of 2# steel tie rod and horizontal steel frame roof beam are connected with galvanized steel pipe, the top of 2# steel tie rod is equipped with the metal roof boarding, the one end that 2# steel tie rod was kept away from to main part structure flower frame roof beam is equipped with and is equipped with the vertical steel frame roof beam of 1 #.

Preferably, the upper end of the main body structure column and one end close to the transverse steel frame beam are both provided with a plurality of embedded steel plates, the embedded steel plates are welded with second steel bars and third steel bars, the embedded steel plates are fixedly connected with the transverse steel frame beam, and the transverse steel frame beam and the galvanized steel pipes are welded with each other.

Preferably, one end of the transverse steel frame beam connected with the 2# steel pull rod is provided with a 2# longitudinal steel frame beam, welding is adopted between the 2# longitudinal steel frame beam and the steel structure cantilever plate and between the steel structure cantilever plate and the transverse steel frame beam, and a water guide groove formed by fixing galvanized steel plates on the upper portion of the steel structure cantilever plate through angle steel is adopted.

Preferably, a blind rivet and a self-tapping screw are connected between the aluminum-clad single plate and the transverse steel frame beam and between the aluminum-clad single plate and the steel structure cantilever plate, the self-tapping screw is connected with a connecting angle steel, foam strips are arranged between the edge joints of the aluminum-clad single plate, and the aluminum-clad single plate is connected with sealant.

Preferably, the pre-buried steel sheet in major structure parapet roof beam outside has welded first steel frame girder framework and second steel frame girder framework respectively, adopt bolted connection between first steel frame girder framework and second steel frame girder framework and the 2# longitudinal steel frame girder, first steel frame girder framework top is equipped with laser location emitter, laser location emitter launches there is the light beam, second steel frame girder framework top is equipped with laser location receiving arrangement.

Preferably, the empty aluminum veneers at the bottom of the aluminum-clad single plate units are in lap joint connection, waterproof rivets, glass sealant and aluminum welding rods are arranged among the gaps of the aluminum-clad single plates, and the aluminum-clad single plates are connected with M20 high-strength bolts and connecting plates.

Preferably, the No. 2 steel pull rod is welded with the No. 1 steel pull rod, the No. 2 steel pull rod and the galvanized steel pipe are welded, the galvanized steel pipe is in threaded connection with a No. 2 secondary purlin in the shape of a Chinese character 'ji', the No. 2 secondary purlin is in threaded connection with a No. 1 secondary purlin in the shape of a Chinese character 'ji', the No. 1 secondary purlin is in threaded connection with an aluminum alloy fixing support, the aluminum alloy fixing support is in threaded connection with a galvanized steel plate, the galvanized steel plate is connected with a metal roof plate through the aluminum alloy fixing support, the galvanized steel plate is connected with a bending steel plate, the metal roof plate is fixedly connected with an aluminum alloy clamp, and one end of the metal roof plate is provided with a waterproof plug and a water-batched steel plate.

Preferably, the main body structure flower frame beam is welded with a steel pull rod frame, the steel pull rod frame is welded with a first steel frame beam frame and a second steel frame beam frame respectively, the main body structure flower frame beam is welded with a No. 1 longitudinal steel frame beam through a pre-buried steel plate, the main body structure flower frame beam, the transverse steel frame beam and the aluminum-clad single plate are all connected with a ground steel structure supporting rod, the other end of the ground steel structure supporting rod is provided with a supporting plate, and a reinforcing rib is arranged between the ground steel structure supporting rod and the side wall of the supporting plate.

The integrated high-altitude splicing construction method for the decorative plate of the deformed steel structure comprises the following steps of:

s1: first, BIM simulates a ground support system and ground test:

the digital and visual BIM software simulates a ground supporting system, and performs ground three-dimensional assembly by taking a supporting frame as a carrier, and performs precision control ground test operation of a laser positioning device after the ground three-dimensional assembly is completed;

s2: then, positioning, mounting and rechecking the embedded steel plate: the first steel bar and the steel plate are welded into a whole, the steel bar is connected with the embedded steel plate in a full-welded mode, the welding seam is uniform and full, and welding slag needs to be cleaned after the welding is completed; before the construction of the embedded part, the positioning and rechecking of the embedded steel plate are required, the multi-axis positioning and the secondary rechecking are taken as principles, the embedded steel plate is welded with the beam column stirrups, and the positioning of the embedded steel plate is required to be rechecked again after the concrete pouring is completed; after the construction of the main body structure is completed and the strength required by the design strength is reached, pre-buried steel plate rechecking is required before the construction of the cantilever type steel structure sloping roof, wherein the pre-buried steel plate rechecking comprises steel plate positioning, steel plate size, steel plate verticality and steel plate flatness rechecking, and the rechecking can be performed without errors;

s3: then, the steel frame beam and the decorative plate are assembled on the ground in a three-dimensional way: the method comprises the steps of installing a steel frame beam on a ground supporting system, welding and connecting a transverse steel frame beam with a galvanized steel pipe, wherein a No. 2 longitudinal steel frame beam is welded with a steel structure cantilever plate and the transverse steel frame beam, the steel structure cantilever plate is welded with the transverse steel frame beam, the upper part of the steel structure cantilever plate is fixed with a galvanized steel plate through angle steel to form a water guide groove, and after inspection and acceptance, constructing an aluminum-clad single plate, wherein the aluminum-clad single plate is connected with the transverse steel frame beam and the steel structure cantilever plate through blind screws and self-tapping screws, foam strips are adopted for filling between aluminum single plate abutted seams, and the outer side of the aluminum single plate is sealed through sealing glue; after the steel frame beam and the bottom decorative plate are installed, installing a laser positioning and receiving device;

s4: then, the first steel frame beam frame is lifted and installed: after the steel structure frame is assembled and checked and accepted, the steel structure frame is lifted and installed by using a tower crane and is welded with an embedded steel plate at the outer side of the parapet beam of the main body structure, and an operator stands on the original overhanging type outer scaffold at the bottom for operation in the welding process;

s5: and then, lifting and installing the second steel frame beam frame: a second steel frame beam frame is lifted and installed by using a tower crane, welded and connected with the pre-embedded steel plate at the outer side of the beam, an operator stands on the original overhanging type outer scaffold at the bottom to operate in the welding process, and the 2# longitudinal steel frame beams connected between the steel frame beam frames are connected by bolts; the laser emission device at the top of the first steel frame beam frame emits light beams, the top of the second steel frame beam frame receives the light beams, the ground monitoring device is used for checking and controlling the precision of different block units, the calibration is carried out, and then the operation is repeated until the installation of the annular steel frame beam frame is completed;

s6: then, the small-range bottom vacancy aluminum veneer is installed and the joint processing is carried out: the aluminum veneers at the bottom of each block unit are in lap joint connection, waterproof rivets are adopted for connection, special glass sealant treatment is carried out on the seam gaps, and aluminum welding rods are adopted for full welding outside;

s7: and then, assembling the steel pull rod frame: the steel pull rod 1, the steel pull rod 2 and the galvanized steel pipe are all welded, the galvanized steel pipe is connected with the sub purline 2 in a shape of a Chinese character '2' by bolts, the sub purline 2 in a shape of a Chinese character '2' is connected with the sub purline 1 in a shape of a Chinese character '1' by bolts, and the aluminum alloy fixing bracket is in threaded connection with the sub purline 1 in a shape of a Chinese character '1' and the galvanized steel plate, and is inspected and accepted after assembly is completed;

s8: lifting and installing a steel pull rod frame: after the steel pull rod frame is checked and accepted, lifting and installing the steel pull rod frame, welding and connecting the steel frame beam frame and the main structure flower frame beam, and standing an operator on the welded steel frame beam frame for operation, wherein the operator hangs a life rope;

s9: and (3) mounting a metal roof board: the middle of the metal roof board is connected with the galvanized steel sheet through an aluminum alloy fixing bracket, and the metal roof board blocks are fixed through an aluminum alloy clamp;

s10: and (3) mounting a No. 1 longitudinal steel frame beam: the No. 1 longitudinal steel frame beam is welded with the embedded steel plate 90 of the flower frame beam of the main body structure;

s11:1# longitudinal steel frame beam, main structure flower frame beam and connecting position metal roof board outside cladding aluminum veneer are installed: the aluminum-clad single plate is connected with the connecting plate by adopting M20 high-strength bolts, the connecting plate is connected with the 1# longitudinal steel frame beam by adopting self-tapping screws, the galvanized steel sheet is connected with the bending steel sheet and the connecting angle steel by adopting self-tapping screws, the aluminum-clad single plate is connected with the connecting angle steel by adopting blind bolts, and the bending steel sheet is connected with the flower frame beam of the main structure by adopting welding;

s12: checking and accepting: and after the installation is finished, checking and accepting.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, through BIM digital modeling, the large-span roof overhanging steel structure and the decorative plate are divided into different units, and ground supporting points and supporting frames are digitally and simulatively designed, so that the construction period cost and the construction cost of on-site hoisting and supporting frame body entity tests are reduced;

the invention realizes the whole process construction control of assembly, hoisting, precision control, bottom crossing and the like of different block units through BIM visual simulation of the construction processes of three-dimensional block assembly, high-altitude splicing and the like of the steel structure and the ground of the bottom accessory decorative plate;

in the ground assembling process, a steel frame supporting system is arranged at the bottom, an aluminum plate is arranged outside the steel frame supporting system, and finally a steel beam is arranged, so that the construction process of installing the steel frame beam and then splicing the auxiliary decorative plates in the traditional construction is improved;

the invention welds the pre-buried steel plate and the steel structure on the roof structural layer, and the high-altitude splicing adopts a laser positioning instrument to control the precision: the top of each block unit is provided with a laser positioning instrument and receiving equipment, and the laser positioning instrument and receiving equipment of the adjacent block units are used for carrying out precision calibration in the high-altitude assembly process, so that the elevation precision control is realized; when the boundaries of different block units are attached, the longitudinal direction can be considered to be aligned. The problem of insufficient high-altitude assembly positioning precision is avoided by adopting a laser positioning precision control system;

according to the invention, through high-altitude splicing of the vacant part of the steel beam supporting point in the ground splicing process, the vacant part is only around the supporting point, large-area aluminum plate coating construction is not needed to be carried out in hundred meters of high altitude, the conventional overhanging scaffold is used as a carrier for splicing the small-range aluminum plates, the construction process of the large-area high-altitude spliced decorative plate is improved, and the risk of high-altitude operation is greatly reduced.

Drawings

FIG. 1 is a plan view of a sloping roof of an overhanging steel structure in accordance with the present invention;

FIG. 2 is a plan view of a steel frame beam frame block of the present invention;

FIG. 3 is a plan view of a steel tie frame segment of the invention;

FIG. 4 is a cross-sectional view of a sloping roof of the overhanging steel structure (main structural post position);

FIG. 5 is a cross-sectional view of a sloping roof (parapet position) of the overhanging steel structure of the invention;

FIG. 6 is a sectional view of a steel frame beam frame of the invention;

FIG. 7 is a sectional view of a steel tie frame of the invention in block;

FIG. 8 is a schematic representation of the node of the sloping roof of the overhanging steel structure;

FIG. 9 is an enlarged schematic view of the structure of FIG. 8A;

FIG. 10 is an enlarged schematic view of the structure of FIG. 8B;

FIG. 11 is an enlarged schematic view of the structure of FIG. 8C;

FIG. 12 is an enlarged schematic view of the structure of FIG. 8D;

FIG. 13 is an enlarged schematic view of the structure of FIG. 8E;

FIG. 14 is an enlarged schematic view of the structure of FIG. 8 at F;

FIG. 15 is a view of the invention for processing the splice joint of an aluminum veneer at the vacant position;

FIG. 16 is a schematic view of a floor support frame structure of the present invention;

FIG. 17 is a schematic diagram of the inventive high-altitude block assembly laser positioning control;

fig. 18 is a flow chart of the construction process of the invention.

In the figure: 1. flower frame beam of main body structure; 2. a 1# longitudinal steel frame beam; 3. parapet wall with main structure; 4. a main structural column; 5. a 2# longitudinal steel frame beam; 6. a transverse steel frame beam; 7. a 1# steel pull rod; 8. a 2# steel pull rod; 9. embedding a steel plate; 10. a first reinforcing bar; 11. a second reinforcing bar; 12. a metal roof panel; 13. an aluminum alloy fixing bracket; 14. zinc-plated steel sheet; 15. a 1# several-shaped secondary purline; 16. 2# several-shaped secondary purlines; 17. galvanized steel pipe; 18. a steel structure cantilever plate; 19. a water guide groove; 20. coating an aluminum veneer; 21. bending the steel plate; 22. waterproof plugs; 23. water-batched steel plates; 24. an aluminum alloy clamp; 25. m20 high-strength bolts; 26. a connecting plate; 27. sealing glue; 28. a foam strip; 29. pulling nails; 30. self-tapping screw; 31. connecting angle steel; 32. a third reinforcing bar; 33. a first steel frame beam frame; 34. a second steel frame beam frame; 35. a steel tie rod frame; 36. glass sealant; 37. full-welding an aluminum welding rod; 38. a waterproof rivet; 39. a ground steel structure supporting rod; 40. a support plate; 41. reinforcing ribs; 42. a laser positioning and transmitting device; 43. a light beam; 44. and a laser positioning receiving device.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 18, the present invention provides a technical solution: a profiled bar structure, the profiled bar structure comprising:

the main structure posts 4, the main structure parapet 3 is arranged between the main structure posts 4, a plurality of uniformly distributed transverse steel frame beams 6 are arranged on one side of the main structure posts 4 and the main structure parapet 3, the transverse steel frame beams 6 are connected with an aluminum-clad veneer 20, and a steel structure cantilever plate 18 is arranged on the inner side of one end of the aluminum-clad veneer 20; the upper end of the main body structure column 4 and one end close to the transverse steel frame beam 6 are respectively provided with a plurality of embedded steel plates 9, the embedded steel plates 9 are welded with second steel bars 11 and third steel bars 32, the embedded steel plates 9 are fixedly connected with the transverse steel frame beam 6, and the transverse steel frame beam 6 and galvanized steel pipes 17 are welded with each other; one end of the transverse steel frame beam 6 connected with the 2# steel pull rod 8 is provided with a 2# longitudinal steel frame beam 5, the 2# longitudinal steel frame beam 5 is welded with the steel structure cantilever plate 18 and the transverse steel frame beam 6, the steel structure cantilever plate 18 is welded with the transverse steel frame beam 6, and the upper part of the steel structure cantilever plate 18 is fixed with a galvanized steel sheet 14 by adopting angle steel to form a water guide groove 19; a blind rivet 29 and a self-tapping screw 30 are connected between the outer aluminum-clad single plate 20 and the transverse steel frame beam 6 as well as between the steel structure cantilever plates 18, the self-tapping screw 30 is connected with a connecting angle steel 31, foam strips 28 are arranged between the joints of the outer aluminum-clad single plate 20, and the outer aluminum-clad single plate 20 is connected with a sealant 27; the beam outside embedded steel plate 9 of the parapet 3 of the main body structure is welded with a first steel frame beam frame 33 and a second steel frame beam frame 34 respectively, the first steel frame beam frame 33, the second steel frame beam frame 34 and the No. 2 longitudinal steel frame beam 5 are connected through bolts, a laser positioning and transmitting device 42 is arranged at the top of the first steel frame beam frame 33, a light beam 43 is transmitted by the laser positioning and transmitting device 42, and a laser positioning and receiving device 44 is arranged at the top of the second steel frame beam frame 34; the aluminum veneers at the bottom of the units of the aluminum veneers 20 are in lap joint connection, waterproof rivets 38, glass sealants 36 and aluminum welding rods 37 are arranged among the gaps of the aluminum veneers 20, and the aluminum veneers 20 are connected with M20 high-strength bolts 25 and connecting plates 26;

the main body structure flower frame beam 1 is positioned on one side of the main body structure column 4, the main body structure flower frame beam 1 is connected with a plurality of No. 2 steel tie rods 8 corresponding to the transverse steel frame beam 6, the main body structure flower frame beam 1 is connected with a first steel bar 10, a plurality of No. 2 steel tie rods 8 and the transverse steel frame beam 6 are connected with galvanized steel pipes 17, a metal roof board 12 is arranged above the No. 2 steel tie rods 8, and one end of the main body structure flower frame beam 1 far away from the No. 2 steel tie rods 8 is provided with a No. 1 longitudinal steel frame beam 2; the No. 2 steel pull rod 8 is welded with a No. 1 steel pull rod 7, the No. 2 steel pull rod 8 and a galvanized steel pipe 17 are welded, the galvanized steel pipe 17 is in threaded connection with a No. 2H-shaped secondary purlin 16, the No. 2H-shaped secondary purlin 16 is in threaded connection with a No. 1H-shaped secondary purlin 15, the No. 1H-shaped secondary purlin 15 is in threaded connection with an aluminum alloy fixing bracket 13, the aluminum alloy fixing bracket 13 is in threaded connection with a galvanized steel plate 14, the galvanized steel plate 14 is connected with a metal roof plate 12 through the aluminum alloy fixing bracket 13, the galvanized steel plate 14 is connected with a bent steel plate 21, the metal roof plate 12 is fixedly connected with an aluminum alloy clamp 24, and one end of the metal roof plate 12 is provided with a waterproof plug 22 and a water-batched steel plate 23; the main body structure flower frame beam 1 is welded with a steel pull rod frame 35, the steel pull rod frame 35 is respectively welded with a first steel frame beam frame 33 and a second steel frame beam frame 34, the main body structure flower frame beam 1 is welded with a No. 1 longitudinal steel frame beam 2 through a pre-buried steel plate 9, the main body structure flower frame beam 1, a transverse steel frame beam 6 and an aluminum-clad veneer 20 are all connected with a ground steel structure supporting rod 39, the other end of the ground steel structure supporting rod 39 is provided with a supporting plate 40, and a reinforcing rib 41 is arranged between the ground steel structure supporting rod 39 and the side wall of the supporting plate 40.

When the system is actually used, firstly, BIM simulates a ground support system and a ground test, digital and visual BIM software simulates the ground support system, and the support frame is used as a carrier for ground three-dimensional assembly; after the completion, the precision control ground test operation of the laser positioning device is carried out, and then the embedded steel plate 9 is positioned and installed and rechecked: the first steel bar 10 and the steel plate are welded into a whole, the steel bar is connected with the embedded steel plate 9 in a full-welded mode, the welding seam is uniform and full, and welding slag needs to be cleaned after the welding is completed; before the construction of the embedded part, the positioning and rechecking of the embedded steel plate 9 are required, the positioning of the embedded steel plate 9 is required to be rechecked again after the concrete pouring is completed by taking multi-axis positioning and secondary rechecking as principles, and the embedded steel plate 9 is welded with beam column stirrups; after the construction of the main body structure is completed and the strength required by the design strength is reached, the pre-buried steel plate 9 is required to be rechecked before the construction of the cantilever type steel structure sloping roof, the rechecking of the pre-buried steel plate 9 comprises steel plate positioning, steel plate size, steel plate verticality and steel plate flatness rechecking, and the rechecking can be performed without errors;

then, the steel frame beam and the decorative plate are assembled on the ground in a three-dimensional way: the steel frame beam is installed on a ground supporting system, the transverse steel frame beam 6 is welded with the galvanized steel pipe 17, the No. 2 longitudinal steel frame beam 5 is welded with the steel structure cantilever plates 18 and the transverse steel frame beam 6, the steel structure cantilever plates 18 are welded with the transverse steel frame beam 6, the upper parts of the steel structure cantilever plates 18 are fixed with galvanized steel plates 14 through angle steel to form a water guide groove 19, after inspection and acceptance, the construction of the aluminum-clad single plates 20 is carried out, the connection of the aluminum-clad single plates 20 with the transverse steel frame beam 6 and the steel structure cantilever plates 18 is fixed through blind screws 29 and self-tapping screws 30, the joint between the aluminum single plates is filled with foam strips 28, and the outer sides of the joint are sealed through sealing glue 27; after the steel frame beam and the bottom decorative plate are installed, installing a laser positioning and receiving device;

then, the first steel frame beam frame 33 is lifted and installed: after the steel structure frame is assembled and checked and accepted, the steel structure frame is lifted and installed by using a tower crane and is welded with the embedded steel plate 9 at the outer side of the 4 beams of the main body structure column of the parapet 3 of the main body structure, and an operator stands on the original overhanging type outer scaffold at the bottom for operation in the welding process;

and then, lifting and installing the second steel frame beam frame 34: a second steel frame beam frame 34 is lifted and installed by using a tower crane, and is welded and connected with the pre-embedded steel plate 9 at the outer side of the beam, an operator stands on the original overhanging type outer scaffold at the bottom to operate in the welding process, and the 2# longitudinal steel frame beams 5 connected between the steel frame beam frames are connected by adopting bolts; the laser emitting device at the top of the first steel frame beam frame 33 emits light beams, the light beams are received at the top of the second steel frame beam frame 34, the accuracy of different block units is checked and controlled through the ground monitoring device, the calibration is carried out, and then the operation is repeated until the installation of the annular steel frame beam frame is completed; and then, mounting and joint processing are carried out on the aluminum single plates with small gaps at the bottom: the aluminum veneers at the bottom of each block unit are in lap joint connection, firstly, waterproof rivets 38 are adopted for connection, then special glass sealant 36 treatment is carried out on the seam gaps, and aluminum welding rods 37 are adopted for full welding outside;

thereafter, the steel tie frame 35 is assembled: the steel pull rod 7 # 1, the steel pull rod 8 # 2 and the galvanized steel pipe 17 are welded, the galvanized steel pipe 17 and the secondary purline 16 # 2 are connected by bolts, the secondary purline 16 # 2 and the secondary purline 15 # 1 are connected by bolts, the aluminum alloy fixing bracket 13 is in threaded connection with the secondary purline 15 # 1 and the galvanized steel plate 14, and inspection and acceptance are carried out after assembly is completed;

and (3) lifting and installing a steel pull rod frame 35: after the steel pull rod frame 35 is checked and accepted, the steel pull rod frame 35 is lifted and installed, the steel pull rod frame 35 is welded with the steel frame beam frame and the main structure flower frame beam 1, an operator stands on the welded steel frame beam frame for operation, and the operator hangs a life rope for full-time safety production manager for site side station supervision;

metal roof panel 12 is installed: the metal roof plate 12 is connected with the galvanized steel sheet 14 through an aluminum alloy fixing bracket 13, and the metal roof plate 12 is fixed in blocks through an aluminum alloy clamp 24;

and (3) mounting a No. 1 longitudinal steel frame beam 2: the No. 1 longitudinal steel frame beam 2 is welded with the embedded steel plate 90 of the flower frame beam 1 of the main structure;

the 1# longitudinal steel frame beam 2, the flower frame beam 1 with the main structure and the aluminum-clad veneer 20 outside the metal roof plate 12 at the connecting position are installed: the aluminum-clad single plate 20 is connected with a connecting plate 26 by adopting M20 high-strength bolts 25, the connecting plate 26 is connected with a No. 1 longitudinal steel frame beam 2 by adopting self-tapping screws 30, a galvanized steel sheet 14 is connected with a bending steel sheet 21 and a connecting angle steel 31 by adopting self-tapping screws 30, the aluminum-clad single plate 20 is connected with the connecting angle steel 31 by adopting blind bolts 29, and the bending steel sheet 21 is welded and connected with the flower frame beam 1 with a main structure; and finally, checking and accepting: and after the installation is finished, checking and accepting.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A profiled steel structure, characterized in that: the deformed steel structure comprises:

the steel frame comprises main structure columns (4), wherein main structure parapet walls (3) are arranged between the main structure columns (4), a plurality of uniformly distributed transverse steel frame beams (6) are arranged on one sides of the main structure columns (4) and the main structure parapet walls (3), the transverse steel frame beams (6) are connected with an aluminum-clad veneer (20), and a steel structure cantilever plate (18) is arranged on the inner side of one end of the aluminum-clad veneer (20);

main part structure flower frame roof beam (1) is located one side of main part structure post (4), main part structure flower frame roof beam (1) is connected with a plurality of and horizontal steel frame roof beam (6) corresponding 2# steel tie rod (8), main part structure flower frame roof beam (1) is connected with first reinforcing bar (10), a plurality of 2# steel tie rod (8) and horizontal steel frame roof beam (6) are connected with galvanized steel pipe (17), the top of 2# steel tie rod (8) is equipped with metal roof boarding (12), the one end that 2# steel tie rod (8) were kept away from to main part structure flower frame roof beam (1) is equipped with and is equipped with 1# vertical steel frame roof beam (2).

2. A profiled steel structure as claimed in claim 1, wherein: the upper end of main part structure post (4) and be close to the one end of horizontal steel frame roof beam (6) all be equipped with a plurality of pre-buried steel sheet (9), pre-buried steel sheet (9) welding has second reinforcing bar (11) and third reinforcing bar (32), pre-buried steel sheet (9) and horizontal steel frame roof beam (6) fixed connection, horizontal steel frame roof beam (6) and galvanized steel pipe (17) welding each other.

3. A profiled steel structure as claimed in claim 1, wherein: the steel structure cantilever beam is characterized in that one end, connected with the transverse steel frame beam (6) and the 2# steel pull rod (8), of the transverse steel frame beam is provided with a 2# longitudinal steel frame beam (5), welding is adopted between the 2# longitudinal steel frame beam (5) and the steel structure cantilever plate (18) and between the steel structure cantilever plate (6) and between the steel structure cantilever plate (18) and the transverse steel frame beam (6), and a water guide groove (19) formed by fixing galvanized steel sheets (14) on the upper portion of the steel structure cantilever plate (18) through angle steel is adopted.

4. A profiled steel structure as claimed in claim 1, wherein: the aluminum-clad veneer (20) is connected with a blind rivet (29) and a self-tapping screw (30) between the aluminum-clad veneer (20) and a transverse steel frame beam (6) and between the steel structure cantilever plates (18), the self-tapping screw (30) is connected with a connecting angle steel (31), foam strips (28) are arranged between the splicing seams of the aluminum-clad veneer (20), and the aluminum-clad veneer (20) is connected with a sealant (27).

5. A profiled steel structure as claimed in claim 4, wherein: the beam-outside embedded steel plate (9) of the parapet wall (3) with the main structure is welded with a first steel frame beam frame (33) and a second steel frame beam frame (34) respectively, the first steel frame beam frame (33) and the second steel frame beam frame (34) are connected with the 2# longitudinal steel frame beam (5) through bolts, a laser positioning transmitting device (42) is arranged at the top of the first steel frame beam frame (33), a light beam (43) is transmitted by the laser positioning transmitting device (42), and a laser positioning receiving device (44) is arranged at the top of the second steel frame beam frame (34).

6. A profiled steel structure as claimed in claim 1, wherein: the aluminum veneers are in lap joint connection with the empty aluminum veneers at the bottom of the units of the aluminum veneers (20), waterproof rivets (38), glass sealant (36) and aluminum welding rods (37) are arranged among the gaps of the aluminum veneers (20), and the aluminum veneers (20) are connected with M20 high-strength bolts (25) and connecting plates (26).

7. A profiled steel structure as claimed in claim 1, wherein: the steel tie rod (8) of No. 2 is welded with steel tie rod (7) of No. 1, steel tie rod (8) of No. 2 and galvanized steel pipe (17) all adopt the welding, galvanized steel pipe (17) threaded connection has purlin (16) of the type of few style of calligraphy of No. 2, purlin (16) threaded connection has purlin (15) of the type of few style of calligraphy of No. 1, purlin (15) threaded connection of the type of few style of No. 1 has aluminum alloy fixed bolster (13), aluminum alloy fixed bolster (13) threaded connection has galvanized steel sheet (14), galvanized steel sheet (14) are connected with metal roof board (12) through aluminum alloy fixed bolster (13), galvanized steel sheet (14) are connected with steel sheet (21) of buckling, metal roof board (12) fixedly connected with aluminum alloy anchor clamps (24), metal roof board (12) one end is equipped with waterproof end cap (22) and water end cap (23).

8. A profiled steel structure as claimed in claim 1, wherein: the utility model discloses a steel frame structure is characterized in that a steel pull rod frame (35) is welded to a main structure flower frame beam (1), the steel pull rod frame (35) is welded with a first steel frame beam frame (33) and a second steel frame beam frame (34) respectively, the main structure flower frame beam (1) is welded with a No. 1 longitudinal steel frame beam (2) through a pre-buried steel plate (9), the main structure flower frame beam (1), a transverse steel frame beam (6) and an outsourcing aluminum veneer (20) are all connected with a ground steel structure supporting rod (39), the other end of the ground steel structure supporting rod (39) is provided with a supporting plate (40), and a reinforcing rib (41) is arranged between the ground steel structure supporting rod (39) and the side wall of the supporting plate (40).

9. The integrated high-altitude splicing construction method for the decorative plate of the deformed steel structure as claimed in any one of claims 1 to 8, wherein the method comprises the following steps: the method comprises the following steps:

s1: first, BIM simulates a ground support system and ground test:

the digital and visual BIM software simulates a ground supporting system, and performs ground three-dimensional assembly by taking a supporting frame as a carrier, and performs precision control ground test operation of a laser positioning device after the ground three-dimensional assembly is completed;

s2: then, the embedded steel plate (9) is positioned and installed and rechecked: the first steel bar (10) and the steel plate are welded into a whole, the steel bar is fully welded with the embedded steel plate (9), the welding seam is uniform and full, and welding slag is required to be cleaned after the welding is completed; before the construction of the embedded part, the positioning and rechecking of the embedded steel plate (9) are required, the positioning of the embedded steel plate (9) is required to be rechecked again after the concrete pouring is finished by taking multi-axis positioning and secondary rechecking as principles, and the embedded steel plate (9) is welded with beam column stirrups; after the construction of the main body structure is completed and the strength required by the design strength is reached, the pre-buried steel plate (9) is required to be rechecked before the construction of the cantilever type steel structure sloping roof, the rechecking of the pre-buried steel plate (9) comprises the rechecking of the steel plate positioning, the steel plate size, the steel plate verticality and the steel plate flatness, and the rechecking can be carried out without errors;

s3: then, the steel frame beam and the decorative plate are assembled on the ground in a three-dimensional way: the steel frame beam is installed on a ground supporting system, the transverse steel frame beam (6) is welded with the galvanized steel pipe (17), the No. 2 longitudinal steel frame beam (5) is welded with the steel structure cantilever plate (18) and the transverse steel frame beam (6), the steel structure cantilever plate (18) is welded with the transverse steel frame beam (6), the upper part of the steel structure cantilever plate (18) is provided with a water guide groove (19) formed by fixing a galvanized steel plate (14) through angle steel, the construction of an aluminum-clad veneer (20) is carried out after inspection and acceptance, the aluminum-clad veneer (20) is fixed with the transverse steel frame beam (6) and the steel structure cantilever plate (18) through blind screws (29) and self-tapping screws (30), foam strips (28) are adopted for filling the joints of the aluminum veneers, and the outer side of the aluminum-clad veneer is sealed through sealant (27); after the steel frame beam and the bottom decorative plate are installed, installing a laser positioning and receiving device;

s4: then, the first steel frame beam frame (33) is lifted and installed: after the steel structure frame is assembled and checked and accepted, the steel structure frame is lifted and installed by using a tower crane and is welded with a pre-embedded steel plate (9) at the outer side of a beam of a parapet wall (3) with a main body structure, and an operator stands on the original overhanging type outer scaffold at the bottom for operation in the welding process;

s5: and then, lifting and installing a second steel frame beam frame (34): a second steel frame beam frame (34) is lifted and installed by using a tower crane, is welded and connected with a pre-embedded steel plate (9) at the outer side of the beam, an operator stands on the original overhanging type outer scaffold at the bottom to operate in the welding process, and the 2# longitudinal steel frame beams (5) connected between the steel frame beam frames are connected by adopting bolts; the laser emitting device at the top of the first steel frame beam frame (33) emits light beams, the light beams are received at the top of the second steel frame beam frame (34), the accuracy of different block units is checked and controlled through the ground monitoring device, the calibration is carried out, and then the operation is repeated until the installation of the annular steel frame beam frame is completed;

s6: then, the small-range bottom vacancy aluminum veneer is installed and the joint processing is carried out: the aluminum veneers at the bottom of each block unit are in lap joint connection, firstly, waterproof rivets (38) are adopted for connection, then special glass sealant (36) treatment is carried out on the joint seam, and aluminum welding rods (37) are adopted for full welding outside;

s7: thereafter, the steel tie frame 35 is assembled: the steel tie rod 1# 7, the steel tie rod 2# 8 and the galvanized steel pipe 17 are all welded, the galvanized steel pipe 17 and the sub purline 16 in the shape of the number 2# are connected through bolts, the sub purline 16 in the shape of the number 2# and the sub purline 15 in the shape of the number 1# are connected through bolts, the aluminum alloy fixing support 13 is in threaded connection with the sub purline 15 in the shape of the number 1# and the galvanized steel plate 14, and inspection and acceptance are carried out after assembly is completed;

s8: and (3) lifting and installing a steel pull rod frame (35): after the steel pull rod frame (35) is inspected and accepted, the steel pull rod frame (35) is lifted and installed, and is welded with the steel frame beam frame and the main structure flower frame beam (1), an operator stands on the welded steel frame beam frame to work, and the operator hangs a life rope;

s9: installing a metal roof board (12): the middle of the metal roof plate (12) and the galvanized steel sheet (14) are connected by an aluminum alloy fixing bracket (13), and the metal roof plate (12) is divided into blocks and fixed by an aluminum alloy clamp (24);

s10: and (3) mounting a No. 1 longitudinal steel frame beam (2): the No. 1 longitudinal steel frame beam (2) is welded with the embedded steel plate (9) of the flower frame beam (1) of the main structure;

s11: the method comprises the following steps of (1) installing a longitudinal steel frame beam (2), a main structure flower frame beam (1) and an aluminum-clad veneer (20) outside a metal roof board (12) at a connecting position: the aluminum-clad veneer (20) is connected with the connecting plate (26) by adopting M20 high-strength bolts (25), the connecting plate (26) is connected with the No. 1 longitudinal steel frame beam (2) by adopting self-tapping screws (30), the galvanized steel sheet (14) is connected with the bending steel sheet (21) and the connecting angle steel (31) by adopting self-tapping screws (30), the aluminum-clad veneer (20) is connected with the connecting angle steel (31) by adopting blind rivets (29), and the bending steel sheet (21) is connected with the flower frame beam (1) of the main structure by adopting welding;

s12: checking and accepting: and after the installation is finished, checking and accepting.