CN115387526A - Steel frame-combined steel plate shear wall structure integral structure and construction method thereof - Google Patents
Steel frame-combined steel plate shear wall structure integral structure and construction method thereof Download PDFInfo
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- CN115387526A CN115387526A CN202210897099.4A CN202210897099A CN115387526A CN 115387526 A CN115387526 A CN 115387526A CN 202210897099 A CN202210897099 A CN 202210897099A CN 115387526 A CN115387526 A CN 115387526A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 321
- 239000010959 steel Substances 0.000 title claims abstract description 321
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 87
- 210000001503 joint Anatomy 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 6
- 238000012790 confirmation Methods 0.000 claims description 3
- 238000012937 correction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000007779 soft material Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 238000005192 partition Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000009966 trimming Methods 0.000 description 4
- 238000003032 molecular docking Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/08—Vaulted roofs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B2001/2466—Details of the elongated load-supporting parts
Abstract
The invention discloses a steel frame-combined steel plate shear wall structure integral structure and a construction method thereof. According to the invention, the steel frame dome structure is divided, so that the distribution of the connecting positions of the steel frame and the truss in the structure is determined, and a division and partition basis is provided for later installation and hoisting; the steel frame dome structure is a special-shaped structure, the trusses and the steel frame are both arranged in an arc shape or double curvature mode, the edge folding trusses provide modeling and lateral supporting bases for the whole structure, and the arc trusses are beneficial to use of a middle large-span building space; the arrangement of the separation units and the separation truss belts is favorable for local reinforcement under the change of the wave curvature; the steel frame is constructed in advance during construction, and the truss butt joint gap is reserved, so that the dome structure is favorably and effectively mounted and hoisted.
Description
Technical Field
The invention belongs to the technical field of steel structures, and particularly relates to a steel frame-combined steel plate shear wall structure integral structure and a construction method thereof.
Background
Along with the development of steel structures, the styles of steel structure buildings are more and more complex, and the connection between steel frames and columns in the steel structures, the design of the steel frames or the connection combined with other structural forms are increasingly abundant. To the design of architectural forms such as exhibition hall, stadium or art center comparatively complicated and also can make great improvement and breakthrough in the steel construction for guaranteeing the linear style in the style not only, especially to the ally oneself with of steelframe and truss, all need carry out the pertinence design to subsection construction and butt joint hoist and mount etc..
Disclosure of Invention
The invention provides a steel frame-combined steel plate shear wall structure integral structure and a construction method thereof, which are used for solving the technical problems of connection, subsection and partition installation, truss hoisting and fixing and the like of a special-shaped dome structure.
In order to realize the purpose, the invention adopts the following technical scheme:
a steel frame-combined steel plate shear wall structure overall structure comprises support steel columns, a steel frame dome structure connected above the support steel columns, roof steel plates connected in the steel frame dome structure and shear walls connected between the support steel columns;
the steel frame dome structure is wavy in the horizontal direction and the vertical direction, the length direction of one side is lower than that of the other side, the vertical projection comprises a sharp corner part on one side and a trapezoidal part on the other side, and the periphery of the trapezoidal part is an arc-shaped edge;
the steel frame dome structure comprises a side folding truss, a corner unit connected to one side in the side folding truss, separation truss belts connected to the upper side of the side folding truss at intervals, separation units connected between the separation truss belts, and an arc truss connected to the middle of the side folding truss in length.
Furthermore, the edge-closing truss is arranged at the periphery of the steel frame dome structure, the horizontal direction and the vertical direction of the edge-closing truss are both wavy, the length direction of one side is lower than that of the other side, the edge-closing truss comprises a sharp corner part and an arc-shaped trapezoidal part, and the whole edge-closing truss is in a shape of a pointed head knife outer frame; the edge-folding truss comprises an edge main truss, an edge additional steel frame and an edge additional truss which are connected to one side of a sharp corner of the edge main truss, an edge top column connected to the joint of the truss rod and the steel frame, corner connecting frames and edge top connecting frames which are connected to the edge main truss at the two sides of the corner connected to the sharp corner of the edge main truss, corner trusses connected between the edge top connecting frames and the corner connecting frames, and edge secondary connecting trusses arranged on the opposite sides of the sharp corner.
Furthermore, the side main truss comprises a side main frame body which is arc-shaped vertically and a side main frame rib plate connected to the side main frame body, the side main frame body is made of I-shaped steel, the side main truss comprises a sharp corner part and an arc-shaped trapezoidal part, a notch is arranged on one side of the sharp corner part, the notch is connected with an additional steel frame in a staggered mode, and a side jacking column and a supporting steel column connected below the side jacking column are connected at the staggered position; the side of the arc-shaped trapezoidal part of the side main truss, which is opposite to the sharp corner, is formed by splicing and connecting truss rod pieces;
the side top column comprises a side top column body and a side top column butt joint rod, and the height of the side top column body is not less than the height of the side main truss, the height of the side additional steel frame and the height of the side additional truss; the side top column butt joint rod comprises two rod pieces and a steel plate which are arranged in an I shape, and the two rod pieces which are parallel up and down are correspondingly connected with the side main truss or the side additional truss.
Furthermore, the angle unit is in an arc-shaped frame-shaped triangle and comprises an angle connecting steel frame, an angle mark connecting top column connected below the cross angle connecting steel frame and an angle side top column connected at the top of the sharp angle of the angle connecting steel frame;
the angle connecting steel frame comprises an angle connecting main frame which is vertically and vertically arc-shaped and angle connecting frame rib plates connected to the angle connecting main frame, and the angle connecting main frame is made of I-shaped steel; the corner edge top column is fixedly connected with the edge folding truss through a steel frame;
the corner mark top-connected column comprises a corner mark top main column and a corner mark top main column connecting end, the height of the corner mark top main column is not less than that of the corner connecting main frame, and the corner mark top main column connecting end is detachably and fixedly connected with the corner mark top main column corresponding to the corner connecting main frame on the periphery of the corner mark top main column; the connecting end of the main column on the top of the corner mark is I-shaped.
Furthermore, the separation truss belts are arranged at intervals in the length direction of the trapezoid parts of the edge-closing trusses and comprise two parallel separation steel frames, separation inner trusses connected between the separation steel frames and separation top connecting columns arranged below the separation trusses at intervals;
the separation inner truss is arranged in an X shape and connected to the vertical upper part of the separation steel frame;
the separation units are arranged between the separation truss belts and are separation steel frames connected in a net shape, the separation steel frames are connected in a cross shape, and the cross-shaped joint comprises an upper staggered connection and a lower staggered connection and a flush connection.
Furthermore, the arc truss comprises two parallel arc steel frames which are semicircular, and an arc main truss connected between the two arc steel frames, wherein an arc frame connecting column and an arc frame butt joint rod connected between the arc steel frame connecting column and the separating steel frame respectively are arranged at the joint of the separating steel frame connected between the arc steel frame and the separating unit;
the arc frame butt joint rod comprises two rod pieces and a steel plate which are arranged in an I shape, and further comprises two rod pieces which are parallel up and down and are correspondingly connected with an arc main truss, the arc main truss is horizontally arranged in a multi-stage W shape, and is vertically connected in a 'single' shape;
the arc frame connecting columns are connected through a steel frame; still the interval connection has directly to link the truss in the semicircle arc within range, directly links the truss and arranges and at the short-range interval along separating the unit length, directly link the truss and be multistage W form setting to the plain direction, be "individual" font connection in vertical.
Furthermore, frame connecting pieces are connected among steel frames in the steel frame dome structure, between the steel frames and the trusses and between the steel frames and the butt joint columns, and two sides of each frame connecting piece are connected to the top of each steel frame and a component connected with the steel frame respectively in an inverted U shape; the steel frames are all arranged in an I shape
A frame butt joint rod is connected between the steel frame and the truss and connected to the upper edge of the steel frame; the top and the bottom of the connection of the steel frame and the steel frame butt joint rod are both connected with a frame connecting piece;
frame butt joint fixing plates can be detachably connected between the two spliced steel frames and between the steel frames and the steel plates of the butted columns, and the butt joint fixing plates are thick steel plates.
Further, the construction method of the integral structure of the steel frame-combined steel plate shear wall structure comprises the following specific steps:
deepening a steel frame dome structure through CAD and three-dimensional software, and dividing the steel frame dome structure into a pure steel frame and a truss for targeted installation and construction; the edge folding truss, the corner units, the separating truss belts, the separating units and the arc truss are subjected to region division synchronous construction; constructing a pure steel frame part in a truss part in the same region;
step two, integral hoisting or sectional hoisting is carried out on the angle connection steel frame and the partition unit inner steel frame, wherein the lower parts of the angle connection steel frame and the partition unit inner steel frame, which contain the connection support steel columns, are segmented, and the rest of the angle connection steel frame and the partition unit inner steel frame are integrally hoisted; reserving gaps at the positions of the separation truss belts and the arc-shaped truss;
step three, during construction, firstly constructing a supporting steel column, then temporarily fixing the steel frame after finishing the installation of the corresponding steel frames in the angle units and the separation units, and particularly carrying out encryption temporary support on the reserved gaps at the belt positions of the separation trusses and the reserved gaps at the arc trusses; fixing the steel frames at the segmented hoisting positions through temporary fixing splints until the subsequent integral steel frame is installed, and welding rigid connection nodes at the splicing positions of the steel frames through full penetration; rechecking the position and the line type of the steel frame;
step four, assembling the edge-closing truss, the arc-shaped truss and the separation truss belt on site; setting an assembling operation frame, carrying out all-dimensional measurement and correction on the total length, the width, the height and the like of the operation frame, then establishing a control grid for the placing position of the truss rod piece, and then starting assembling; measuring and paying off the spatial positions of all points of the rod piece, and arranging a limiting block for placing the rod piece;
fifthly, placing, positioning and temporarily fixing the web members of the truss, and measuring and adjusting the overall position relation according to the upper chord member, the lower chord member and the point position marks on the web members to be spliced; after the components are adjusted and fixed, detecting by using a steel ruler, a plumb bob and the like according to point position marks and ground projection points on the pieces to be spliced, fixing by using spot welding, recording and storing detection data, comparing and analyzing with a design drawing, and adjusting if the components do not meet the requirements; if the requirements are met, performing a welding procedure and subsequent procedures
Step six, during hoisting, firstly, trial hoisting is carried out, the hoisting is stopped when the hoisting height is 100-200 mm, and the firmness of the rigging and the stability of the crane are checked; after the confirmation of no error, the crane can be instructed to slowly ascend to enable the center of the truss to be aligned with the center of the installation position, then the hook is slowly ascended, and the stable mooring ropes in four directions are manually tensioned in the hoisting process to prevent the truss from laterally shaking;
the truss is hung above the cylindrical surface and then rotated by a stable cable to be aligned with the splicing part, so that the truss is accurately positioned, the truss is slowly positioned, and the side truss and the secondary truss are accurately positioned at the relative elevation with the roof truss beam; thus completing the installation of the supporting steel column and the steel frame dome structure;
and seventhly, installing the shear walls between the columns layer by layer, and then installing the special-shaped steel plates on the steel frame dome structure to form the integral structure of the steel frame-combined steel plate shear wall structure.
Furthermore, a separation top connecting column and a separation steel frame in the separation truss band are both installed together with the angle connecting steel frame and the separation unit inner steel frame, wherein joints corresponding to the separation inner trusses are installed on the separation steel frame in advance; after the angle units and the corresponding steel frames in the separation units are installed, the reserved gaps at the positions of the separation truss belts are encrypted to form temporary supports, the installation operation platform is used for installing the separation inner trusses, and the separation inner trusses are installed from the middle to two sides or are installed together in a regional mode.
Furthermore, when the truss is hoisted, binding points are padded in the truss by using soft materials, and the height difference of the left support and the right support of the truss is adjusted when the steel wire ropes are bound, so that the truss can be stably positioned in the hoisting process; respectively binding a stable cable at two ends of the truss; welding temporary reinforcing and positioning measures before hoisting;
after the truss is installed, the truss is reinforced and fixed by adopting a cable rope, and after the truss is hoisted in place, the truss needs to be reinforced with the steel beam and a splicing part through a frame butt-joint fixing plate;
the perpendicularity of the steel beam is checked by a theodolite or a total station, the truss can be welded after being corrected to be qualified, and the truss needs to be welded after being temporarily fixed, and the section bar is a round tube and needs to be welded by arranging a round angle suspension cage.
The invention has the following beneficial effects:
1) According to the invention, the steel frame dome structure is divided, so that the distribution of the connecting positions of the steel frame and the truss in the structure is determined, and a division and partition basis is provided for later installation and hoisting;
2) The steel frame dome structure is a special-shaped structure, and the trusses and the steel frame are both arranged in an arc shape or double curvature mode, wherein the edge-closing trusses provide modeling and lateral support bases for the whole structure, and the middle arc truss is more beneficial to the use of a middle large-span building space under the condition that the middle stress is enhanced;
3) According to the invention, through the arrangement of the separation units and the separation truss belts, the dome structure is favorably and uniformly reinforced in the longitudinal direction, and the local reinforcement is favorably carried out under the change of the wave curvature;
4) According to the invention, the steel frame is constructed in advance during construction, and the truss butt joint gap is reserved, so that the dome structure is beneficial to effective installation and hoisting.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary objects and other advantages of the invention may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
FIG. 1 is a first perspective view of a steel frame dome structure and its connection structure;
FIG. 2 is a second perspective view of a steel frame dome structure and its connection structure;
FIG. 3 is a top view of a steel frame dome structure;
FIG. 4 is a schematic view of a steel frame dome structure and supporting steel columns;
FIG. 5 is a schematic view of corner units and a closed edge truss structure at a sharp corner;
FIG. 6 is a schematic view of the corner unit and the edge truss connection at the sharp corner;
FIG. 7 is a schematic view of the connection of the main edge truss;
FIG. 8 is a schematic structural view of a cross splice of corner units;
FIG. 9 is a schematic view of the corner mark with top post connection at the cross of the corner unit;
FIG. 10 is a schematic view of a split truss belt construction;
FIG. 11 is a schematic view of an arc truss and its connection structure;
FIG. 12 is a schematic view of partial connection of the arc primary trusses;
fig. 13 is a schematic view of the partition unit, the arc-shaped trapezoidal-side main truss and the connection structure thereof.
Reference numerals: 1-supporting steel column, 2-steel frame dome structure, 21-edge-folding truss, 211-edge main truss, 2111-edge main frame body, 2112-edge main frame ribbed slab, 212-edge additional steel frame, 213-edge additional truss, 214-edge top column, 2141-edge top column body, 2142-edge top column butt joint rod, 215-corner connecting frame, 216-edge top connecting frame, 217-corner truss, 218-edge secondary connecting truss, 22-corner unit, 221-corner connecting steel frame, 2211-corner connecting main frame, 2212-corner connecting frame ribbed slab, 222-corner mark connecting top column, 2221-corner mark top main column, 2222-corner mark top main column connecting end, 223-corner edge top column, 23-separating frame belt, 231-separating steel frame, 232-separating inner truss, 233-separating top connecting column, 24-separating unit, 25-arc steel frame, 251-arc frame connecting column, 253-arc frame connecting column, 254-arc frame main truss connecting rod, 3-edge truss connecting frame connecting rod, 4-arc frame butt joint rod and 5-arc frame butt joint piece.
Detailed Description
Taking a certain competition venue as an example, the venue is in a steel structure in a building form, and more than four layers of steel columns are connected with a roof steel frame and a truss; the building extension is arranged as an inclined steel column. The competition venue is a steel frame-combined steel plate shear wall structure; the wall is a steel plate shear wall; the plate is a steel bar truss floor bearing plate; wherein the dome structure at the top is wavy and is lower than the outer side in the length direction. The steel plate shear wall seismic rating is three-level, and the frame seismic rating is three-level. The foundation forms are a pile foundation and an independent foundation.
As shown in fig. 1 to 13, an overall structure of a steel frame-combined steel plate shear wall structure includes support steel columns 1, a steel frame dome structure 2 connected above the support steel columns 1, a roof steel plate connected in the steel frame dome structure 2, and a shear wall connected between the support steel columns 1. The supporting steel column 1 is a round steel column and is formed by splicing and connecting, and the splicing position is connected through a C-shaped piece.
As shown in fig. 1 to 4, the steel frame dome structure 2 is wavy in both horizontal and vertical directions, and has a length direction of one side lower than that of the other side, a vertical projection includes a sharp corner portion on one side and a trapezoidal portion on the other side, and the peripheries of the trapezoidal portions are all arc-shaped edges; the overlooking projection is in a shape of a pointed knife.
In this embodiment, the steel-framed dome structure 2 includes a trimming truss 21, corner units 22 connected to one inner side of the trimming truss 21, separation truss bands 23 connected to the trimming truss 21 in an upward direction and spaced apart from each other, separation units 24 connected between the separation truss bands 23, and arc-shaped trusses 25 connected to the middle of the trimming truss 21 in the upward direction.
As shown in fig. 5 to 7, the edge-folding truss 21 is disposed around the steel frame dome structure 2, the edge-folding truss 21 is wavy in both horizontal and vertical directions, and has a length lower than that of the other side, and the edge-folding truss 21 includes a sharp corner and an arc-shaped trapezoidal portion and is integrally shaped like a "sharp-headed knife" outer frame; the edge-folding truss 21 includes an edge main truss 211, edge-attached steel frames 212 and 213 connected to the sharp corner side of the edge main truss 211, an edge top post 214 connected to the connection between the truss members and the steel frames, corner connecting frames 215 and 216 connected to the corner of the edge main truss 211 at the corner, corner connecting frames 217 and 215 connected between the corner top connecting frames 216 and 215, and edge sub-trusses 218 disposed on the opposite side of the sharp corner.
In this embodiment, the main side truss 211 includes a main side frame 2111 which is vertically and vertically arc-shaped, and a main side frame rib plate 2112 connected to the main side frame 2111, the main side frame 2111 is made of i-steel, the main side truss 211 includes a sharp corner and an arc-shaped trapezoid, a gap is formed on one side of the sharp corner, the gap is connected with an additional steel frame 212 in a staggered manner, and the staggered manner is connected with the top side column 214 and a support steel column 1 connected below the top side column 214; the side of the arc-shaped trapezoidal part of the side main truss 211, which is just opposite to the sharp corner, is formed by splicing and connecting truss rod pieces.
In this embodiment, the side top column 214 includes a side top column 2141 and a side top column docking rod 2142, and the height of the side top column 2141 is not less than the height of the side main truss 211, the side additional steel frame 212, and the side additional truss 213; the side top column docking rod 2142 includes two rod members and a steel plate which are arranged in an i-shape, and further includes two rod members which are parallel up and down and are correspondingly connected to the side main truss 211 or the side additional truss 213.
As shown in fig. 8 and 9, the corner unit 22 is an arc-shaped frame triangle, and includes a corner connecting frame 221, a corner mark connecting top pillar 222 connected below the cross corner connecting frame 221, and a corner side top pillar 223 connected to the top of the corner connecting frame 221.
The angle connecting steel frame 221 comprises an angle connecting main frame 2211 which is arc-shaped vertically and angle connecting frame ribbed plates 2212 connected to the angle connecting main frame 2211, and the angle connecting main frame 2211 is made of I-steel; the corner edge top column 223 is fixedly connected with the edge-closing truss 21 through a steel frame.
In this embodiment, the corner mark top-connected column 222 includes a corner mark top main column 2221 and a corner mark top main column connection end 2222, the height of the corner mark top main column 2221 is not less than the height of the corner connection main frame 2211, and the periphery of the corner mark top main column 2221 corresponding to the corner connection main frame 2211 is detachably and fixedly connected with the corner mark top main column connection end 2222; the main column connecting end 2222 at the top of the corner mark is I-shaped.
As shown in fig. 10, the separation truss bands 23 are spaced apart in the longitudinal direction of the trapezoidal portion of the edge-closing truss 21, and include two parallel separation steel frames 231, separation inner trusses 232 connected between the separation steel frames 231, and separation top connection columns 233 spaced below the separation trusses; the separating inner truss 232 is arranged in an X shape, and the separating inner truss 232 is connected to the vertical upper part of the separating steel frame 231; separate for separating unit 24 between truss area 23, separate unit 24 for being netted partition steelframe 231 who connects, separate and be the cross connection between the steelframe 231, cross connection department contains upper and lower dislocation connection and flush the connection.
As shown in fig. 11 to 13, the arc truss 25 includes two parallel arc steel frames 251 in a semi-circle shape, an arc main truss 253 connected between the two arc steel frames 251, an arc frame connecting column 252 disposed at the connection between the arc steel frames 251 and the separating steel frame 231 of the separating unit 24, and an arc frame butt-joint rod 254 connected between the arc steel frame 251 and the separating steel frame 231 and the arc frame connecting column 252.
The arc frame butt joint rod 254 comprises two rods and a steel plate which are arranged in an I shape, and further comprises two rods which are parallel up and down and are connected with the arc main truss 253, wherein the arc main truss 253 is horizontally arranged in a multi-stage W shape and is vertically connected in a single shape.
In this embodiment, the arc frame connecting columns 252 are connected through a steel frame; the semi-circular arc-shaped range is also connected with direct connection trusses at intervals, the direct connection trusses are arranged in the long direction and in the short direction at intervals along the separation unit 24, the direct connection trusses are arranged in a multi-stage W shape in the horizontal direction and are connected in a single-row shape in the vertical direction.
In the embodiment, frame connecting pieces 3 are further connected among steel frames, steel frames and trusses and steel frames and butt joint columns in the steel frame dome structure 2, the frame connecting pieces 3 are inverted U-shaped steel pieces and are made of steel plates, and two sides of each inverted U-shaped steel piece are respectively connected to the top of each steel frame and a component connected with the steel frame; the steel frame is arranged in an I shape and is made of H-shaped steel.
In the embodiment, a frame butt joint rod 4 is connected between the steel frame and the truss, and the frame butt joint rod 4 is connected to the upper edge of the steel frame; the top and the bottom that steelframe and steelframe butt joint pole 4 are connected all are connected with frame even 3.
In this embodiment, frame butt joint fixing plates 5 are detachably connected between the two spliced steel frames and between the steel frames and the steel plates of the butted columns, and the butt joint fixing plates are thick steel plates. The butt-joint fixing plate is connected between the two side members through high-strength bolts.
With reference to fig. 1 to 13, a construction method of an integral structure of a steel frame-combined steel plate shear wall structure is further described, which specifically comprises the following steps:
deepening the steel frame dome structure 2 through CAD and three-dimensional software, and dividing the steel frame dome structure 2 into two parts, namely a pure steel frame and a truss, for targeted installation and construction; the edge-closing truss 21, the corner units 22, the separating truss belts 23, the separating units 24 and the arc-shaped truss 25 are subjected to region division synchronous construction; and firstly constructing a pure steel frame part and a truss part in the same area.
Step two, integral hoisting or sectional hoisting is carried out on the angle connecting steel frame 221 and the steel frame in the separation unit 24, wherein the lower parts of the angle connecting steel frame 221 and the steel frame in the separation unit 24, which contain the connection supporting steel column 1, are segmented, and the rest are integrally hoisted; gaps are reserved for the positions of the separation truss belts 23 and the positions of the arc trusses 25.
Step three, during construction, firstly constructing the supporting steel column 1, then temporarily fixing the steel frames after finishing the installation of the corresponding steel frames in the angle units 22 and the separation units 24, and particularly carrying out encryption temporary support on the reserved gaps at the positions of the separation truss belts 23 and the reserved gaps at the positions of the arc trusses 25; fixing the steel frame at the segmented hoisting position through a temporary fixing splint until the subsequent integral steel frame is completely installed, and then welding rigid connection nodes at the steel frame splicing position through full penetration; and rechecking the position and line type of the steel frame.
In this embodiment, the separation top connecting column 233 and the separation steel frame 231 in the separation truss band are both installed together with the angle connecting steel frame 221 and the steel frame in the separation unit 24, wherein the separation steel frame is pre-installed with a joint corresponding to the separation inner truss 232; after the corresponding steel frames in the corner units 22 and the separation units 24 are installed, the reserved gaps at the positions of the separation truss bands 23 are encrypted to form temporary supports, the installation operation platform is used for installing the separation inner trusses 232, and the separation inner trusses are installed from the middle to two sides or are installed together in different areas during installation.
Step four, assembling the edge-closing truss 21, the arc-shaped truss 25 and the separating truss belt 23 on site; setting an assembling operation frame, carrying out all-dimensional measurement and correction on the total length, the width, the height and the like of the operation frame, then establishing a control grid for the placing position of the truss rod piece, and then starting assembling; and measuring and setting off the spatial positions of all points of the rod piece, and arranging a limiting block for placing the rod piece.
Fifthly, placing, positioning and temporarily fixing the web members of the truss, and measuring and adjusting the overall position relation according to the upper chord member, the lower chord member and the point position marks on the web members to be spliced; after the components are adjusted and fixed, detecting by using a steel ruler, a plumb bob and the like according to point position marks and ground projection points on the pieces to be spliced, fixing by using spot welding, recording and storing detection data, comparing and analyzing with a design drawing, and adjusting if the components do not meet the requirements; if the requirements are met, performing a welding process and a subsequent process.
Step six, during hoisting, firstly, trial hoisting is carried out, the hoisting is stopped when the hoisting height is 100-200 mm, and the firmness of the rigging and the stability of the crane are checked; after the confirmation of no error, the crane can be instructed to slowly ascend to enable the center of the truss to be aligned with the center of the installation position, then the hook is slowly ascended, and the stable mooring ropes in four directions are manually tensioned in the hoisting process to prevent the truss from laterally swinging.
The truss is hung above the cylindrical surface and then rotated by a stable cable to be aligned with the splicing part, so that the truss is accurately positioned, the truss is slowly positioned, and the side truss and the secondary truss are accurately positioned at the relative elevation with the roof truss beam; thereby completing the installation of the support steel columns 1 and the steel-frame dome structure 2.
When the truss is hoisted, binding points are padded in the steel wire rope by using soft materials, and the height difference of the left support and the right support of the truss is adjusted when the steel wire rope is bound, so that the steel wire rope can be stably positioned in place in the hoisting process; binding stable cables at two ends of the truss respectively; welding temporary reinforcing and positioning measures before hoisting; after the truss is installed, the truss is reinforced and fixed through the cable rope, and after the truss is hoisted in place, the truss needs to be reinforced with the steel beam and the splicing part through the frame butt-joint fixing plate 5.
The verticality of the steel beam is checked by a theodolite or a total station, the steel beam can be welded after the truss is corrected to be qualified, the truss needs to be welded after being temporarily fixed, and the section bar is a round tube and needs to be provided with a round-corner suspension cage for welding.
And seventhly, installing the inter-column shear wall layer by layer, and then installing the special-shaped steel plates on the steel frame dome structure 2 to form the integral structure of the steel frame-combined steel plate shear wall structure.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be considered by those skilled in the art within the technical scope of the present invention disclosed herein should be covered within the scope of the present invention.
Claims (10)
1. The integral structure of the steel frame-combined steel plate shear wall structure is characterized by comprising support steel columns (1), a steel frame dome structure (2) connected above the support steel columns (1), a roof steel plate connected in the steel frame dome structure (2) and a shear wall connected between the support steel columns (1);
the steel frame dome structure (2) is wavy in the horizontal direction and the vertical direction, the length direction of one side is lower than that of the other side, the vertical projection comprises a sharp corner part on one side and a trapezoidal part on the other side, and the peripheries of the trapezoidal parts are arc-shaped edges;
the steel frame dome structure (2) comprises a side folding truss (21), a corner unit (22) connected to one side in the side folding truss (21), separation truss belts (23) connected to the side folding truss (21) in the longitudinal direction and arranged at intervals, separation units (24) connected between the separation truss belts (23) and arc-shaped trusses (25) connected to the middle of the side folding truss (21) in the longitudinal direction.
2. The integral structure of the steel frame-combined steel plate shear wall structure is characterized in that the edge-closing trusses (21) are arranged at the periphery of the steel frame dome structure (2), the edge-closing trusses (21) are wavy in the horizontal direction and the vertical direction, the length direction of one side is lower than that of the other side, the edge-closing trusses (21) comprise sharp corners and arc-shaped trapezoidal parts, and the integral structure is in a pointed head knife outer frame shape; the edge-folding truss (21) comprises an edge main truss (211), an edge additional steel frame (212) and an edge additional truss (213) which are connected to one side of a sharp corner of the edge main truss (211), an edge top column (214) which is connected to the joint of a truss rod and the steel frame, a corner connecting frame (215) and an edge top connecting frame (216) which are connected to the two edge main trusses (211) at the corner connecting corner of the sharp corner of the edge main truss (211), a corner truss (217) which is connected between the edge top connecting frame (216) and the corner connecting frame (215), and an edge secondary connecting truss (218) which is arranged on the opposite side of the sharp corner.
3. The integral structure of the steel frame-combined steel plate shear wall structure of claim 2, wherein the main side truss (211) comprises a main side frame body (2111) which is arc-shaped vertically and a main side frame rib plate (2112) connected to the main side frame body (2111), the main side frame body (2111) is made of i-steel, the main side truss (211) comprises a sharp corner and an arc-shaped trapezoidal part, a notch is formed in one side of the sharp corner, an additional side steel frame (212) is connected to the notch in a staggered mode, and an edge top column (214) and a support steel column (1) connected below the edge top column (214) are connected to the staggered mode; the side of the arc-shaped trapezoidal part of the side main truss (211) opposite to the sharp corner is formed by splicing and connecting truss rod pieces;
the side top column (214) comprises a side top column body (2141) and a side top column butt joint rod (2142), and the height of the side top column body (2141) is not less than the heights of the side main truss (211), the side additional steel frame (212) and the side additional truss (213); the side top column butt joint rod (2142) comprises two rod pieces and a steel plate which are arranged in an I shape, and the two rod pieces which are parallel up and down are correspondingly connected with the side main truss (211) or the side additional truss (213).
4. The integral structure of a steel frame-combined steel plate shear wall structure as claimed in claim 1, wherein the corner unit (22) is an arc-shaped frame-like triangle, and comprises a corner steel connecting frame (221), a corner mark connecting top column (222) connected below the cross corner steel connecting frame (221), and a corner edge top column (223) connected at the top of the sharp corner of the corner steel connecting frame (221);
the angle connecting steel frame (221) comprises an angle connecting main frame (2211) which is vertical and vertically arc-shaped and an angle connecting frame rib plate (2212) connected to the angle connecting main frame (2211), and the angle connecting main frame (2211) is made of I-shaped steel; the corner edge top column (223) is fixedly connected with the edge-closing truss (21) through a steel frame;
the corner mark top-connected column (222) comprises a corner mark top main column (2221) and a corner mark top main column connecting end (2222), the height of the corner mark top main column (2221) is not less than that of the corner connecting main frame (2211), and the corner mark top main column connecting end (2222) is detachably and fixedly connected with the corner mark top main column connecting end (2211) corresponding to the periphery of the corner mark top main column (2221); the main column connecting end (2222) at the top of the corner mark is I-shaped.
5. The integral structure of a steel frame-composite steel plate shear wall structure as claimed in claim 1, wherein the separation truss bands (23) are spaced apart in the longitudinal direction of the trapezoidal portion of the edge-closing truss (21), and comprise two parallel separation steel frames (231), a separation inner truss (232) connected between the separation steel frames (231), and separation top connection columns (233) spaced below the separation trusses;
the separation inner truss (232) is arranged in an X shape, and the separation inner truss (232) is connected to the vertical upper part of the separation steel frame (231);
separate for separating unit (24) between truss area (23), separate unit (24) for being netted separation steelframe (231) of connecting, separate to be the cross between steelframe (231) and connect, the cross junction contains dislocation connection from top to bottom and flushes the connection.
6. The integral structure of the steel frame-combined steel plate shear wall structure of claim 1, wherein the arc truss (25) comprises two parallel arc steel frames (251) in semi-circles, an arc main truss (253) connected between the two arc steel frames (251), an arc frame connecting column (252) arranged at the joint of the separating steel frames (231) connected to the arc steel frames (251) and the separating unit (24), and an arc frame butt-joint rod (254) connected to the arc frame connecting column (252) and respectively arranged between the arc steel frames (251) and the separating steel frames (231);
the arc frame butt joint rod (254) comprises two rod pieces and a steel plate which are arranged in an I shape, and also comprises two rod pieces which are parallel up and down and are correspondingly connected with an arc main truss (253), wherein the arc main truss (253) is horizontally arranged in a multi-stage W shape and is vertically connected in a shape like a Chinese character 'mu';
the arc frame connecting columns (252) are connected through a steel frame; the semi-circular arc-shaped range is also connected with direct connection trusses at intervals, the direct connection trusses are arranged in the long direction and in the short direction at intervals along the separation unit (24), the direct connection trusses are arranged in a multi-stage W shape in the horizontal direction and are connected in an 'individual' shape in the vertical direction.
7. The integral structure of the steel frame-combined steel plate shear wall structure of claim 1, wherein frame connecting pieces (3) are further connected among the steel frames in the steel frame dome structure (2), among the steel frames and the trusses, and among the steel frames and the butt joint columns, and the two sides of each frame connecting piece (3) are connected to the top of each steel frame and a member connected with each steel frame respectively in an inverted U shape; the steel frames are arranged in an I shape
A frame butt joint rod (4) is connected between the steel frame and the truss, and the frame butt joint rod (4) is connected to the upper edge of the steel frame; the top and the bottom of the steel frame and the steel frame butt joint rod (4) are connected with a frame connecting piece (3);
frame butt joint fixing plates (5) can be detachably connected between the two spliced steel frames and between the steel frames and the steel plates of the butted columns, and the butt joint fixing plates are thick steel plates.
8. A construction method of the integral structure of the steel frame-combined steel plate shear wall structure as claimed in any one of claims 1 to 7, characterized by comprising the following concrete steps:
deepening the steel frame dome structure (2) through CAD and three-dimensional software, and dividing the steel frame dome structure (2) into a pure steel frame and a truss for targeted installation and construction; the edge-closing truss (21), the corner units (22), the separation truss belts (23), the separation units (24) and the arc truss (25) are subjected to region division synchronous construction; constructing a pure steel frame part in a truss part in the same region;
step two, integral hoisting or sectional hoisting is carried out on the angle steel frame (221) and the steel frame in the separation unit (24), wherein the lower part of the angle steel frame (221) and the steel frame in the separation unit (24) containing the connection support steel column (1) is segmented, and the rest of the angle steel frame (221) and the steel frame in the separation unit (24) are integrally hoisted; gaps are reserved at the positions of the separation truss belts (23) and the arc trusses (25);
step three, firstly constructing a supporting steel column (1) during construction, then temporarily fixing the steel frame after finishing the installation of the corresponding steel frames in the corner units (22) and the separating units (24), and particularly carrying out encryption temporary support on the reserved gaps at the separating truss belts (23) and the reserved gaps at the arc-shaped trusses (25); fixing the steel frames at the segmented hoisting positions through temporary fixing splints until the subsequent integral steel frame is installed, and welding rigid connection nodes at the splicing positions of the steel frames through full penetration; rechecking the position and the line type of the steel frame;
step four, assembling the edge-closing truss (21), the arc-shaped truss (25) and the separating truss belt (23) on site; setting an assembling operation frame, carrying out all-dimensional measurement and correction on the total length, the width, the height and the like of the operation frame, then establishing a control grid for the placing position of the truss rod piece, and then starting assembling; measuring and setting off the spatial position of each point of the rod piece, and arranging a limiting block for placing the rod piece;
fifthly, placing, positioning and temporarily fixing the web members of the truss, and measuring and adjusting the overall position relation according to the upper chord member, the lower chord member and the point position marks on the web members to be spliced; after the components are adjusted and fixed, detecting by using a steel ruler, a plumb bob and the like according to point position marks and ground projection points on the pieces to be spliced, fixing by using spot welding, recording and storing detection data, comparing and analyzing with a design drawing, and adjusting if the components do not meet the requirements; if the requirements are met, performing a welding procedure and subsequent procedures
Step six, during hoisting, firstly, trial hoisting is carried out, the hoisting is stopped when the hoisting height is 100-200 mm, and the firmness of the rigging and the stability of the crane are checked; after the confirmation of no error, the crane can be instructed to slowly ascend to enable the center of the truss to be aligned with the center of the installation position, then the hook is slowly ascended, and the stable mooring ropes in four directions are manually tensioned in the hoisting process to prevent the truss from laterally shaking;
the truss is lifted to a position above the cylindrical surface, and then is rotated by a stable cable to be aligned with the splicing position, so that the truss is accurately positioned, the truss is slowly positioned, and the side truss and the secondary truss are accurately positioned at the position with the relative elevation with the roof truss beam; thus completing the installation of the supporting steel column (1) and the steel frame dome structure (2);
and seventhly, installing the shear walls among the columns layer by layer, and then installing the special-shaped steel plates on the steel frame dome structure (2) to form the integral structure of the steel frame-combined steel plate shear wall structure.
9. The construction method of the integral structure of the steel frame-combined steel plate shear wall structure according to claim 8, wherein the separation top connection column (233) and the separation steel frame (231) in the separation truss band are installed together with the angle connection steel frame (221) and the steel frame in the separation unit (24), wherein the separation steel frame is pre-installed with a joint corresponding to the separation inner truss (232); after the corresponding steel frames in the corner units (22) and the separation units (24) are installed, gaps reserved at the positions of the separation truss belts (23) are encrypted to form temporary supports, the installation operation platform is used for installing the separation inner trusses (232), and the installation operation platform is installed from the middle to two sides or installed together in different areas during installation.
10. The construction method of the integral structure of the steel frame-combined steel plate shear wall structure according to claim 8, wherein when the truss is hoisted, binding points are padded in the truss by using soft materials, and the height difference of left and right supports of the truss is adjusted when a steel wire rope is bound, so that the truss can be stably positioned in place in the hoisting process; respectively binding a stable cable at two ends of the truss; welding temporary reinforcing and positioning measures before hoisting;
after the truss is installed, the truss is reinforced and fixed by using a cable rope, and after the truss is hoisted in place, the truss needs to be reinforced with the steel beam and the splicing part through a frame butt-joint fixing plate (5);
the verticality of the steel beam is checked by a theodolite or a total station, the steel beam can be welded after the truss is corrected to be qualified, the truss needs to be welded after being temporarily fixed, and the section bar is a round tube and needs to be provided with a round-corner suspension cage for welding.
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