Steel structure roof structure of tower and construction method thereof
Technical Field
The invention belongs to the technical field of construction engineering construction, and particularly relates to a steel structure roof structure of a tower and a construction method thereof.
Background
With the rapid development of high-rise buildings and super high-rise buildings, the height of newly built super high-rise buildings in large cities in China generally reaches more than 200m, the top of each high-rise building directly influences the design effect of the whole high-rise building, particularly for the super high-rise buildings with the height of more than 200m, the good top design plays a role in drawing dragon eyes on the whole image of the building and can stand out in a building group of high-rise buildings. At present, super high-rise building top structure adopts the steel construction room lid molding mostly, and the bold adopts the structural style of technical complicacy such as encorbelmenting, hanging, slope, meanwhile, unique molding design has brought a series of challenges that have never been had before for the construction of steel construction room lid structure.
The area of a building site of a certain project is 3.517 ten thousand square meters, the total building area is about 35.6 ten thousand square meters, the building structure type is a steel reinforced concrete frame core tube structure, the tower A is 57 layers above the ground, the underground is 4 layers, and the building height is 266 m; 26 floors on the ground of the tower B, and the building height is 140 m; c, 31 floors above the ground and 150m in building height. The steel structure roof is arranged at 235.05-265.7 m of the tower A, the roof is in an inverted pyramid shape, the floor plates are steel bar truss composite floor plates and are 4 layers, and the total weight of the steel structure roof is 1600 tons. At present, the installation procedure of high altitude steel construction generally directly adopts from up installation scheme down, because the steel construction room lid of this project hangs post structural feature: the top of the hanging column is movably connected through a cast steel ball joint, and the bottom of the hanging column is movably connected through a stainless steel support. The scheme that the bottom of the hanging column is not temporarily rigidly connected and the hanging column is directly installed from bottom to top is not feasible, and the safety of the installation process cannot be guaranteed.
Disclosure of Invention
The invention aims to provide a steel structure roof structure of a tower and a construction method thereof, and aims to solve the technical problems that the traditional steel structure roof is simple in structure, non-invasive, non-new, and difficult to separate from a building group due to the fact that the traditional steel structure roof has complex technical structural forms such as overhanging, hanging and inclining, and the traditional construction method cannot meet the requirement of construction of the steel structure roof structure with the complex structure, and cannot ensure the safety in the installation process.
In order to achieve the purpose, the invention adopts the following technical scheme.
A steel structure roof structure of a tower is arranged at the top of the tower; the tower comprises an inner core barrel and an outer frame barrel; the top of the core barrel exceeds the top of the outer frame barrel; the side surfaces of the core barrel, which exceed the outer frame barrel, on the periphery are respectively provided with brackets in a through manner; the steel structure roof structure comprises a roof main body in the middle, corner hanging columns arranged at four corners of the roof main body and side hanging columns arranged at four side edges of the roof main body; the roof main body is in an inverted pyramid shape and comprises a tower crown structure, a peripheral structure and a connecting net rack; the tower crown structure is a cylindrical steel frame structure and is arranged at the top of the core barrel; the tower crown structure comprises a group of upright posts and a horizontal beam connected between the upright posts; the peripheral structure comprises an inclined column and a frame beam; the inclined columns are arranged in a group and are connected to the tops of the brackets at intervals in the circumferential direction, and the upper ends of the inclined columns do not exceed the tops of the tower crown structures; a second inner ring plate is arranged in the inclined column and close to the upper end; connecting beams are arranged between the adjacent oblique columns at intervals along the long axial direction of the oblique columns; the frame beam is rectangular and is connected to the tops of the inclined columns; a first inner ring plate and a stiffening plate are arranged in the frame beam and at positions corresponding to the side hanging columns; corner connecting short columns are respectively arranged at the bottoms of the four corners of the frame beam; a fourth inner ring plate is arranged at the lower part of the inner side of the corner connecting short column; the bottom of the corner connecting short column is connected with a first plug-in cylinder, and the bottom of the first plug-in cylinder is provided with a first annular clamping plate; edge connecting short columns are respectively arranged at the bottoms of the four side edges of the frame beam at intervals; a third inner ring plate is arranged at the lower part of the inner side of the side connecting short column; the bottom of the side connecting short column is connected with a second inserting cylinder, and a second annular clamping plate is arranged at the bottom of the second inserting cylinder; the connecting net racks are at least two layers and are arranged at intervals along the vertical direction; each layer of connecting net rack is annular and is connected between the tower crown structure and the peripheral structure; the corner hanging columns are arranged on the top plate of the outer frame barrel and correspond to four corner positions of the frame beam; the top of the corner hanging column is connected with a corner column connecting ball end, and the corner column connecting ball end is embedded in the first inserting cylinder; the bottom of the corner hanging column is connected with the top plate through a corner column connecting seat; the corner post connecting seat comprises a first bottom plate and a first inserting post; the first bottom plate is embedded in the top plate, and the bottom of the first bottom plate is connected with a first anchor bar; the first inserting column is connected to the plate surface of the first base plate, and the upper end of the first inserting column is inserted into the corner hanging column; first limiting plates are arranged on the first base plate and around the first inserting columns at intervals; the first limiting plate is welded with the lower part of the angle hanging column;
the side hanging columns are arranged on the top plate of the outer frame barrel and correspond to the positions of the upper edge connecting short columns of the frame beams; the top of the side hanging column is connected with a side column connecting ball end; the side column connecting ball end is embedded in the second inserting cylinder; the bottom of the side hanging column is connected with the top plate through a side column connecting seat; the side column connecting seat comprises a second bottom plate, a connecting column and a second inserting column; the second bottom plate is embedded in the top plate, and the bottom of the second bottom plate is connected with a second anchor bar; the second inserting column is connected to the plate surface of the second bottom plate; the lower part of the second inserting column is inserted into the connecting column and is connected with the connecting column in a welding way; the upper part of the second inserting column exceeds the top of the connecting column, and the exceeding part is inserted into the side hanging column; second limiting plates are arranged at the periphery of the top of the connecting column at intervals; and the upper part of the second limiting plate is connected with the side hanging columns in a welding mode.
Preferably, a first connecting plate is embedded in the top of the bracket and the connecting position corresponding to the inclined column; first through holes are formed in the plate surface of the first connecting plate at intervals, and anchor bolts are arranged in the first through holes; the bottom of the inclined column is connected with a second connecting plate; second through holes are formed in the second connecting plate at intervals corresponding to the positions of the anchor bolts; the oblique column is connected with the bracket through an anchor bolt penetrating through the second through hole.
Preferably, third connecting plates are embedded in the side surfaces, located on the periphery of the core barrel, above the corbels; and a horizontal connecting rod is connected between the inclined column and the third connecting plate.
Preferably, the inclination angle of the inclined column is 20-30 degrees; the inclined column comprises a lower column section and an upper column section, and the lower column section is welded with the upper column section; the lower end of the lower column section is connected with the bracket through an anchor bolt; and the upper end of the upper column section is connected with the frame beam in a welding manner.
Preferably, the length of the first inserting column inserted into the corner hanging column is not less than 150mm, and a first sliding layer is attached to the lower part of the inner side of the corner hanging column; the length of the first sliding layer is not less than the length of the first inserting column inserted in the corner hanging column; the length of the second inserting column inserted in the side hanging column is not less than 150mm, and a second sliding layer is attached to the lower part of the inner side of the side hanging column; the length of the second sliding layer is not less than the length of the second inserting column inserted in the side hanging column.
Preferably, the first splicing barrel is formed by horizontally splicing two first splicing barrel units; the horizontal section of the first inserting cylinder unit is arc-shaped; the first annular clamping plate is formed by horizontally splicing two first annular clamping plate units, and each first annular clamping plate unit is correspondingly arranged at the bottom of the first inserting cylinder unit; a third sliding layer is attached to the inner side surface of the first inserting cylinder unit; the second splicing barrel is formed by horizontally splicing two second splicing barrel units; the horizontal section of the second inserting cylinder unit is arc-shaped; the second annular clamping plate is formed by horizontally splicing two second annular clamping plate units, and each second annular clamping plate unit is correspondingly arranged at the bottom of the second inserting cylinder unit; and a fourth sliding layer is attached to the inner side surface of the second insertion cylinder unit.
Preferably, the corner post connecting ball end comprises a first ball body at the upper part and a first base at the lower part; the first base is in a circular truncated cone shape, and the diameter of the top surface of the first base is not larger than that of the first ball body; the included angle between the first base and the connecting position of the first ball body is 120-150 degrees; the side column connecting ball end comprises a second ball body at the upper part and a second base at the lower part; the second base is in a circular truncated cone shape, and the diameter of the top surface of the second base is not larger than that of the second ball body; the included angle of the connecting position of the second base and the second ball is 120-150 degrees.
The construction method of the steel structure roof structure of the tower comprises the following steps.
Step one, installing a core barrel.
And step two, arranging a temporary supporting system for supporting the steel structure roof structure at the bottom of the steel structure roof structure.
And step three, installing a frame beam on the temporary support system.
And step four, mounting a tower crown structure at the top of the core barrel.
And fifthly, installing a connecting net rack between the frame beam and the tower crown structure.
And step six, mounting the inclined column.
And step seven, installing a connecting net rack between the batter post and the tower crown structure.
And step eight, mounting a corner column connecting ball end at the top of the corner hanging column, and mounting a side column connecting ball end at the top of the side hanging column.
And step nine, mounting the side column connecting seats and the corner column connecting seats.
Step ten, mounting the angle hanging column and the edge hanging column: temporarily connecting the corner hanging column with a corner column connecting seat, and temporarily connecting a side column connecting seat with a side hanging column; then connecting the corner hanging column with a first splicing barrel at the bottom of the corner connecting short column; meanwhile, the side hanging column is connected with the second inserting cylinder at the bottom of the side connecting short column.
Step eleven, welding and fixing the corner hanging column and the corner column connecting seat, and welding and fixing the side hanging column and the side column connecting seat until the construction is finished.
Compared with the prior art, the invention has the following characteristics and beneficial effects.
1. The steel structure roof structure has the advantages of attractive appearance, novel structural form, complex technical structural forms such as overhanging, hanging and inclining, and can stand out in building groups with fast building development and standing high buildings.
2. When the corner hanging column and the side hanging column are installed, the bottom of the corner hanging column and the bottom of the side hanging column are temporarily fixed with a corner column connecting seat and a side column connecting seat respectively, and then the corner hanging column is connected with a first inserting cylinder at the bottom of a corner connecting short column; meanwhile, the side hanging column is connected with a second splicing sleeve at the bottom of the side connecting short column, and finally the temporary connection is changed into rigid connection; the overhead steel structure roof hanging column is installed from bottom to top, so that the safety and controllability of the construction process are guaranteed, and the operation safety of constructors is guaranteed.
3. The upper end of a corner hanging column is movably connected by inserting a corner column connecting ball end into a first inserting cylinder connection, and the upper end of a side hanging column is movably connected by inserting a side column connecting ball end into a second inserting cylinder connection; all be provided with the sliding layer in first grafting section of thick bamboo and the second grafting section of thick bamboo to guaranteed steel construction roof structure stable and satisfied anti-seismic performance.
4. The corner column connecting seat and the side column connecting seat use on-site steel structure waste, so that resources and economic cost are saved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic perspective view of a steel roof structure according to the present invention.
Fig. 2 is a schematic front view of the steel roof structure of the present invention.
Fig. 3 is a schematic view of a connection node structure of the frame beam and the edge connection stud according to the present invention.
Fig. 4 is a schematic view of the connection node structure of the frame beam and the corner connection short column according to the present invention.
Fig. 5 is a schematic view of a connection node structure of the side hanging column and the side column connection seat in the invention.
Fig. 6 is a schematic view of a connection node structure of the corner hanging pillar and the corner pillar connection seat in the present invention.
FIG. 7 is a schematic structural view showing a second sliding layer provided on the inner wall of the side suspending column according to the present invention.
Fig. 8 is a schematic structural view of the corner hanging post of the present invention with a first sliding layer disposed on the inner wall thereof.
Fig. 9 is a schematic structural view of the bracket of the present invention provided with the first connecting plate on the top.
Fig. 10 is a structural view of the present invention in which a second connecting plate is provided at the bottom of the lower column section.
Fig. 11 is a front view of the first socket cylinder according to the present invention.
Fig. 12 is a front view of the second socket cylinder according to the present invention.
Fig. 13 is a schematic plan view of the first socket cylinder according to the present invention.
Fig. 14 is a schematic plan view of the second socket cylinder according to the present invention.
Fig. 15 is a schematic view of the structure of the corner post connecting ball end of the present invention.
Fig. 16 is a schematic view of the structure of the side post connecting ball end of the present invention.
Fig. 17 is a schematic structural view of the first cartridge unit of the present invention.
Fig. 18 is a schematic structural view of the second cartridge unit of the present invention.
Reference numerals: 1-core cylinder, 2-outer frame cylinder, 3-corbel, 4-corner hanging column, 5-side hanging column, 6-connecting net rack, 7-upright column, 8-horizontal beam, 9-inclined column, 9.1-lower column section, 9.2-upper column section, 10-side frame beam, 11-connecting beam, 12-corner connecting short column, 13-first splicing cylinder, 13.1-first splicing cylinder unit, 14-first annular clamping plate, 14.1-first annular clamping plate unit, 15-edge connecting short column, 16-second splicing cylinder, 16.1-second splicing cylinder unit, 17-second annular clamping plate, 17.1-second annular clamping plate unit, 18-top plate, 19-corner column connecting ball end, 19.1-first ball body, 19.2-first base, 20-corner column connecting base, 20.1-first bottom plate, 20.2-first splicing column, 20.3-first rib, 20.4-anchor column, 21.1-second base, 21.2-first base and 21.1-second base, 22-side column connecting seat, 22.1-second bottom plate, 22.2-connecting column, 22.3-second inserting column, 22.4-second anchor bar, 22.5-second limiting plate, 23-first connecting plate, 24-first perforation, 25-anchor bolt, 26-second connecting plate, 27-second perforation, 28-third connecting plate, 29-horizontal connecting rod, 30-first sliding layer, 31-second sliding layer, 32-third sliding layer, 33-fourth sliding layer, 34-first inner ring plate, 35-stiffening plate, 36-second inner ring plate, 37-third inner ring plate, 38-first transition section, 39-second transition section and 40-fourth inner ring plate.
Detailed Description
The angle hanging column 4 and the side hanging column 5 of the steel structure roof structure in the embodiment are constructed by adopting a method of temporarily fixing the lower ends, namely, the hanging column is installed from top to bottom, the angle column connecting spherical end 19 at the top of the angle hanging column 4 and the side column connecting spherical end 21 at the top of the side hanging column 5 are installed firstly, and then the side column connecting seat 22 and the angle column connecting seat 20 at the bottom of the angle hanging column 4 and the bottom of the side hanging column 5 are installed; the corner hanging column 4 and the corner column connecting seat 20 are temporarily and rigidly connected, and the side column connecting seat 22 and the side hanging column 5 are temporarily and rigidly connected.
As shown in fig. 1-18, the steel structure roof structure of the tower is installed on the top of the tower; the tower comprises an inner core barrel 1 and an outer frame barrel 2; the top of the core barrel 1 exceeds the top of the outer frame barrel 2; the side surfaces of the periphery of the core barrel 1, which exceeds the position of the outer frame barrel 2, are respectively provided with brackets 3 in a through manner; the steel structure roof structure comprises a roof main body in the middle, corner hanging columns 4 arranged at four corners of the roof main body and side hanging columns 5 arranged at four side edges of the roof main body; the roof main body is in an inverted pyramid shape and comprises a tower crown structure, a peripheral structure and a connecting net rack 6; the tower crown structure is a cylindrical steel frame structure and is arranged at the top of the core barrel 1; the tower crown structure comprises a group of upright posts 7 and a horizontal beam 8 connected between the upright posts 7; the peripheral structure comprises an inclined column 9 and a frame beam 10; the inclined columns 9 are arranged in a group and are connected to the top of the bracket 3 at intervals in the circumferential direction, and the upper ends of the inclined columns 9 do not exceed the top of the tower crown structure; a second inner ring plate 36 is arranged in the inclined column 9 and close to the upper end; connecting beams 11 are arranged between the adjacent oblique columns 9 at intervals along the long axial direction of the oblique columns 9; the frame beam 10 is rectangular and is connected to the tops of the inclined columns 9; a first inner ring plate 34 and a stiffening plate 35 are arranged in the frame beam 10 at the positions corresponding to the side hanging columns 5;
corner connecting short columns 12 are respectively arranged at the bottoms of four corners of the frame beam 10; the lower part of the inner side of the corner connecting stub 12 is provided with a fourth inner ring plate 40; the bottom of the corner connecting short column 12 is connected with a first inserting cylinder 13, and the bottom of the first inserting cylinder 13 is provided with a first annular clamping plate 14; edge connecting short columns 15 are respectively arranged at the bottoms of the four side edges of the frame beam 10 at intervals; a third inner ring plate 37 is arranged at the lower part of the inner side of the side connecting short column 15; the bottom of the side connecting short column 15 is connected with a second inserting cylinder 16, and the bottom of the second inserting cylinder 16 is provided with a second annular clamping plate 17; the connecting net rack 6 has at least two layers which are arranged at intervals along the vertical direction; each layer of connecting net rack 6 is annular and is connected between the tower crown structure and the peripheral structure; the corner hanging columns 4 are arranged on the top plate 18 of the outer frame barrel 2 and correspond to four corner positions of the frame beam 10; the top of the corner hanging column 4 is connected with a corner column connecting ball end 19, and the corner column connecting ball end 19 is embedded in the first inserting cylinder 13; the bottom of the corner hanging column 4 is connected with the top plate 18 through a corner column connecting seat 20; the corner post connecting seat 20 comprises a first bottom plate 20.1 and a first inserting post 20.2; the first bottom plate 20.1 is pre-embedded on the top plate 18, and the bottom of the first bottom plate 20.1 is connected with a first anchor bar 20.3; the first inserting column 20.2 is connected to the surface of the first bottom plate 20.1, and the upper end of the first inserting column 20.2 is inserted into the corner hanging column 4; first limiting plates 20.4 are arranged on the first bottom plate 20.1 and around the first inserting columns 20.2 at intervals; the first limiting plate 20.4 is welded with the lower part of the angle hanging column 4;
the side hanging column 5 is arranged on the top plate 18 of the outer frame barrel 2 and at the position corresponding to the upper edge connecting short column 15 of the frame beam 10; the top of the side hanging column 5 is connected with a side column connecting ball end 21; the side column connecting ball end 21 is embedded in the second plug barrel 16; the bottom of the side hanging column 5 is connected with the top plate 18 through a side column connecting seat 22; the side column connecting seat 22 comprises a second bottom plate 22.1, a connecting column 22.2 and a second inserting column 22.3; the second bottom plate 22.1 is pre-embedded on the top plate 18, and the bottom of the second bottom plate 22.1 is connected with a second anchor bar 22.4; the second inserting column 22.3 is connected to the surface of the second bottom plate 22.1; the lower part of the second inserting column 22.3 is inserted into the connecting column 22.2 and is connected with the connecting column 22.2 in a welding way; the upper part of the second inserting column 22.3 exceeds the top of the connecting column 22.2, and the exceeding part is inserted into the side hanging column 5; second limiting plates 22.5 are arranged at intervals around the top of the connecting column 22.2; the upper part of the second limiting plate 22.5 is connected with the side hanging column 5 in a welding mode.
In this embodiment, a first connecting plate 23 is embedded in the top of the bracket 3 and the connecting position corresponding to the inclined column 9; first through holes 24 are formed in the plate surface of the first connecting plate 23 at intervals, and anchor bolts 25 are arranged in the first through holes 24; the bottom of the inclined column 9 is connected with a second connecting plate 26; second through holes 27 are formed in the second connecting plate 26 at intervals corresponding to the positions of the anchor bolts 25; the batter post 9 is connected to the bracket 3 by means of an anchor bolt 25 inserted through a second bore 27.
In this embodiment, a third connecting plate 28 is embedded on the side surface of the periphery of the core barrel 1 above the corbel 3; a horizontal connecting rod 29 is connected between the inclined column 9 and the third connecting plate 28.
In the embodiment, the inclination angle of the inclined column 9 is 20-30 degrees; the inclined column 9 comprises a lower column section 9.1 and an upper column section 9.2, and the lower column section 9.1 is connected with the upper column section 9.2 in a welding way; the lower end of the lower column section 9.1 is connected with the bracket 3 through an anchor bolt 25; the upper end of the upper column section 9.2 is connected with the frame beam 10 in a welding way.
In this embodiment, the length of the first inserting column 20.2 inserted into the corner hanging column 4 is not less than 150mm, and a first sliding layer 30 is adhered to the lower part of the inner side of the corner hanging column 4; the length of the first sliding layer 30 is not less than the length of the first inserting column 20.2 inserted in the corner hanging column 4; the length of the second inserting column 22.3 inserted in the side hanging column 5 is not less than 150mm, and a second sliding layer 31 is attached to the lower part of the inner side of the side hanging column 5; the length of the second sliding layer 31 is not less than the length of the second inserting column 22.3 inserted in the side hanging column 5.
In this embodiment, the first socket barrel 13 is formed by horizontally splicing two first socket barrel units 13.1; the horizontal section of the first splicing barrel unit 13.1 is arc-shaped; the first annular clamping plate 14 is formed by horizontally splicing two first annular clamping plate units 14.1, and each first annular clamping plate unit 14.1 is correspondingly arranged at the bottom of the first splicing cylinder unit 13.1; a third sliding layer 32 is attached to the inner side surface of the first plug-in cylinder unit 13.1; the second splicing sleeve 16 is formed by horizontally splicing two second splicing sleeve units 16.1; the horizontal section of the second splicing barrel unit 16.1 is arc-shaped; the second annular clamping plate 17 is formed by horizontally splicing two second annular clamping plate units 17.1, and each second annular clamping plate unit 17.1 is correspondingly arranged at the bottom of the second inserting cylinder unit 16.1; a fourth sliding layer 33 is attached to the inner side of the second plug-in cylinder unit 16.1.
In this embodiment, the corner post connecting ball end 19 includes an upper first ball 19.1 and a lower first base 19.2; the first base 19.2 is in a circular truncated cone shape, and the diameter of the top surface of the first base 19.2 is not larger than that of the first sphere 19.1; the included angle of the connecting position of the first base 19.2 and the first sphere 19.1 is 120-150 degrees; the side column connecting ball end 21 comprises a second ball body 21.1 at the upper part and a second base 21.2 at the lower part; the second base 21.2 is in a circular truncated cone shape, and the diameter of the top surface of the second base 21.2 is not more than that of the second sphere 21.1; the included angle of the connecting position of the second base 21.2 and the second sphere 21.1 is 120-150 degrees.
In this embodiment, the horizontal section of the tower crown structure is rectangular.
In this embodiment, the connecting column 22.2 and the second inserting column 22.3 are connected by welding; there are two welded seams, one at the top of the connecting post 22.2 and one at the bottom of the second insert post 22.3.
In this embodiment, the frame beam 10 is formed by splicing a corner section, a side node section and a connecting section; four corner sections are arranged at the corner positions of the frame beam 10 respectively; the corner section is L-shaped; the corner connecting stub 12 is connected to the corner bottom of the corner section; the side node sections are arranged corresponding to the side hanging columns 5; the edge connecting short column 15 is connected to the bottom of the side node section; the connecting section is connected between adjacent side node sections or between the side node sections and the corner section.
In this embodiment, the frame beam 10 is made of a steel pipe; a first inner ring plate 34 and a stiffening plate 35 are arranged in the frame beam 10 at the positions corresponding to the side hanging columns 5; the stiffening plates 35 are arranged corresponding to the side walls of the edge connecting short columns 15; the inclined column 9 is made of a steel pipe; a second inner ring plate 36 is arranged in the inclined column 9 and close to the upper end; the bottom of the side connecting short column 15 is provided with a third inner ring plate 37; the bottom of the corner connector stub 12 is provided with a fourth inner ring plate 40.
In this embodiment, a first transition section 38 is arranged between the corner hanging column 4 and the first base 19.2; the size of the horizontal section of the first transition section 38 is gradually increased from top to bottom, the size of the top surface of the first transition section 38 is not smaller than the size of the bottom surface of the first base 19.2, and the size of the bottom surface of the first transition section 38 is adapted to the size of the horizontal section of the corner hanging column 4; a second transition section 39 is arranged between the side hanging column 5 and the second base 21.2; the horizontal section size of the second transition section 39 is gradually increased from top to bottom, the top surface size of the second transition section 39 is not smaller than the bottom surface size of the second base 21.2, and the bottom surface size of the second transition section 39 is adapted to the horizontal section size of the edge hanging column 5.
The construction method of the steel structure roof structure of the tower comprises the following steps.
Step one, installing a core barrel 1.
And step two, arranging a temporary supporting system for supporting the steel structure roof structure at the bottom of the steel structure roof structure.
And step three, installing the frame beam 10 on the temporary support system.
And step four, mounting a tower crown structure at the top of the core barrel 1.
And step five, installing the connecting net rack 6 between the frame beam 10 and the tower crown structure.
And step six, mounting the inclined column 9.
And step seven, installing a connecting net rack 6 between the batter post 9 and the tower crown structure.
And step eight, mounting the side column connecting seats 22 and the corner column connecting seats 20.
Step nine, mounting the corner hanging column 4 and the side hanging column 5: connecting the corner hanging column 4 with a first inserting cylinder 13 at the bottom of the corner connecting short column 12; at the same time, the side suspending column 5 is connected to the second socket 16 at the bottom of the side connecting short column 15.
Step ten, connecting the corner hanging column 4 with the corner column connecting seat 20, and connecting the side hanging column 5 with the side column connecting seat 22 until the construction is finished.