CN107524261A - A kind of construction method of roofing Elements of Space Grid Truss - Google Patents
A kind of construction method of roofing Elements of Space Grid Truss Download PDFInfo
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- CN107524261A CN107524261A CN201710825531.8A CN201710825531A CN107524261A CN 107524261 A CN107524261 A CN 107524261A CN 201710825531 A CN201710825531 A CN 201710825531A CN 107524261 A CN107524261 A CN 107524261A
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- Prior art keywords
- space grid
- section
- grid truss
- bolt
- elements
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/11—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with non-parallel upper and lower edges, e.g. roof trusses
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
Abstract
The invention discloses a kind of construction method of roofing Elements of Space Grid Truss, the construction method comprises the following steps：Elliptic plane circumference and inside of the A1 along the roofing Elements of Space Grid Truss arrange crane scaffold job platform；Roofing Elements of Space Grid Truss is carried out section assembling by A2, i.e., since gymnasium south and north to symmetrically to center every 1 Pin of roofing Elements of Space Grid Truss segmentation spliced, every 1 Pin is spliced into 5 sections, respectively first, second, third, fourth, the 5th section；A3 is by the good every Pin of step A2 segmented assemblies section from east and west to being symmetrically spliced into a Pin Elements of Space Grid Truss to centre；A4 repeat steps A2, A3, until stopping the method for sectionally smooth join and lifting among remaining during a Pin Elements of Space Grid Truss, dissipated in middle closure segment using high-altitude and spell construction method；It is that whole Elements of Space Grid Truss installation is completed after closure segment installation；The present invention is dissipated using high-altitude to spell and segmental hoisting is combined so that safe, the advantages that construction area area is small, and the construction period is short.
Description
Technical field
The present invention relates to the construction method in building field, more particularly relates to large-span steel rack assembling construction,
Especially, it is related to a kind of construction method of roofing Elements of Space Grid Truss.
Background technology
Domestic steel structure net rack segmental hoisting and high altitude bulk technique are more ripe, but both approaches all have certain lack
Falling into, rack segmental hoisting is that rack is carried out into assembly according to the radian moulding after the completion of roofing in ground floor, i.e., on ground floor,
Lower edge welded spherical node inclined plane is respectively welded according to roof grid structure steel pipe falsework is set one by one, hold rack lower edge solder sphere,
Each lower bolted spherical node is set to be on design radian, the cambered surface of formation exists with the rack cambered surface after the completion of roofing, roofing Elements of Space Grid Truss
It is in place using support, resynchronisation erection ＆ lift on ground after assembled connection construction.The method shortcoming is to take whole Zhongting
Place, the influence time cycle is longer, takes and sets up steel pipe scaffold support platform；Deck roof completely spreads template, and top sets protection
Railing, puts into a large amount of steel pipes, timber, and cost is higher；High altitude bulk technique is directly to carry out rod member splicing in high-altitude, the method
Defect is that rod member quantity is more, splices complicated, easy splicing mistake occur, speed of application larger plus the scattered difficulty of construction of spelling in high-altitude
Slowly it is, long in time limit.Worker's eminence carries out splicing operation, engineering time length, larger potential safety hazard be present.
Therefore, for prior art the defects of, the present invention propose a kind of construction method of roofing Elements of Space Grid Truss, it is intended that solve existing
The shortcomings that with the presence of technology.
The content of the invention
The defects of it is an object of the invention to overcome prior art to exist, there is provided a kind of roofing steel grid construction method, make
Place area occupied is less in work progress, comprehensive cost is relatively low, and security is higher, and integrated construction speed is fast,
To achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of construction method of roofing Elements of Space Grid Truss, it is characterised in that the steel mesh that the Elements of Space Grid Truss is differed by some Pin length
Frame splicing composition plane is the structure of ellipse, several corners that every Pin Elements of Space Grid Truss is made up of top boom, lower boom, web member
Cone unit spliced forms；Connected between each rod member of the top boom, lower boom, web member by bolt sphere, the bolt
Ball is divided into upper and lower bolt sphere, upper bolt sphere connection web member and top boom, lower bolt sphere connection web member and lower boom；
The steel grid construction method comprises the following steps：
Elliptic plane circumference and inside of the A1 along the roofing Elements of Space Grid Truss arrange crane, from east, west Zhongting sideline to
Two wide 10 meters scaffold job platform is set up in centre, and sets up operation ladder and grandstand；Wherein, Zhongting arranges 2 cranes,
Respectively first, second Zhongting crane；Periphery arranges 4 cranes, respectively first, second, third, fourth peripheral crane；Hang
Dress is lifted using a fit in 2 cranes one；Crane even symmetrical is distributed in Elements of Space Grid Truss North and South direction；
Roofing Elements of Space Grid Truss is carried out section assembling by A2, i.e., since gymnasium south and north to symmetrically to center by the room
Every 1 Pin segmentations of face Elements of Space Grid Truss are spliced, and every 1 Pin is spliced into 5 sections, respectively first segment, second section, the 3rd
Section, fourth segment, the 5th section, the assembled process of each section need to use temporary support bar；The first segment and
Five segmental lengths are changing value, i.e., are spliced into different length section according to roofing Elements of Space Grid Truss length requirement；
In this step, a Pin Elements of Space Grid Truss gross weights of maximum span are about 11.033t in the middle part of Elements of Space Grid Truss, and a Pin Elements of Space Grid Truss is segmented
Spliced, be divided into 5 sections of splicings, because rack plane is ellipse, two span is small, and intermediate span is big, and the 1st, 5 sections
Length is changing value.The wide scaffold job platforms of 10m are respectively set up in Zhongting both sides, the wide crane operations of 15m are installed among Zhongting
Face；The length of section division will ensure that section junction is located on scaffold job platform, convenient splicing；
In this step is first by the every of segmented assembly from south and north to every Pin requirements symmetrically to central segmented assembly
One Pin lifting groups meet the 2nd Pin of rear re-segmenting assembly, it is therefore intended that prevent from taking excessive place to fill the loose mail of assembly, Elements of Space Grid Truss
North lifting is consistent with hanging method in the south；
A3 is by the good every Pin of step A2 segmented assemblies first segment, second section, the 3rd section, fourth segment,
Five sections are from east and west to being symmetrically spliced into a Pin Elements of Space Grid Truss to centre；Taking a crane, another is hung in architecture enclosing
In Zhongting, two cranes are lifted car；It is in place and be hoisted to section and see that peripheral crane is used to carrying out end section lifting
Platform, the lifting of middle 3 sections is then carried out by crane in Zhongting；Peripheral crane is used to carry out end section lifting in place and incited somebody to action
Section is hoisted to grandstand, and the lifting of middle 3 sections is then carried out by crane in Zhongting.
According to this engineering be bolt sphere compared with large span grid feature, lifted using sectionally smooth join, constructed simultaneously by south, north
Drawn close to centre；Zhongting uses scaffold, and as one-shot job platform, the place that middle closure segment crane can not stretch out large arm is adopted
The mount scheme spliced with high altitude bulk；Segmental hoisting is lifted using two truck cranes, and the junction between section is set
On scaffold job platform.
A4 repeat steps A2, A3, until stop the method for sectionally smooth join and segmental hoisting among remaining during a Pin Elements of Space Grid Truss,
Dissipated in middle closure segment using high-altitude and spell construction method；Erection sequence carries out assembly from west to east, is lifted using tower crane, closes
Hold together i.e. whole Elements of Space Grid Truss installation after section installation to complete；
Preferably, every Pin section is from east and west to the specific method for symmetrically thinking middle splicing in the step A3：
A the souths are fixed by the first peripheral crane lifting first segment end section and in place first segment end section；
B by the first peripheral crane handling second section to grandstand, then by second section on the first Zhongting crane handling grandstand
Fix on to scaffold job platform and in place；
C by the first peripheral section of crane handling the 3rd to grandstand, then by the 3rd section on the first Zhongting crane handling grandstand
Fix on to scaffold job platform and in place；
D is in place fixed by the second peripheral segment end section of crane lifting the 5th；
E by the second peripheral crane lifting fourth segment to grandstand, then by fourth segment on the second Zhongting crane handling grandstand
Fix on to scaffold job platform and in place；Finally the 3rd section is fixed in place with fourth segment seam crossing, forms a Pin
The construction of Elements of Space Grid Truss.
Preferably, described first, second, third, fourth, each section of the 5th section is in installation on ground method：
Lower boom (9) is first carried out spelling by b1 on ground, i.e., first carries out group with lower bolt sphere with 7 lower booms (9) and be connected into
" day ", then 2 web members (8), are attached by assembled web member (8) using temporary support bar (13) with upper and lower bolt sphere；
B2 then continues to assembled 2 web members, makes this two web members and mounted two web member g share upper bolt in b1
Ball, and be connected with lower bolt sphere so that after the half of 4 web members and " day " word forms positive quadrangular pyramid, then the drift angle in quadrangular pyramid
Installation top boom causes top boom one end to be connected with upper bolt sphere；
B3 is then further continued for group and connects web member, and the other end and 2 new web members for making the top boom in step b2 are attached,
The intermediate ends point of " day " word that web member forms with lower boom is attached simultaneously；
B4 then continues to install " day " that 2 web members are allowed to form with two web members in step b3 and lower boom (9)
Second half of word forms another positive quadrangular pyramid；Then continue assembly to both sides, repeat the above steps, complete the spelling of section
Dress.
Preferably, the scattered construction method of spelling in the high-altitude is：To avoid damage to rod member paint, using 5t suspender belts, bend hawsers is worn
Method is lifted after fixing；Numbered before assembling according to rod member, bolt sphere in drawing, be combined into and hang in east and west sides rack assembly region
Junior unit is filled, group puts smallest assembled rigid unit one by one according to member erection order；Spelling junior unit is divided into top boom smallest assembled rigid unit, lower edge
Bar smallest assembled rigid unit, edge smallest assembled rigid unit, centered on smallest assembled rigid unit difference above lower edge bolt sphere, connect two upper lower edge mobile jibs and
Two web members；Ground will be connected firmly when assembling, close inspection before lifting, prevent from loosely producing loosening because connecting, avoid lifting
When, fall casualty accident after installation.
Preferably, the high-altitude dissipates spelling construction method and comprised the following steps that：
Edge smallest assembled rigid unit at s1 rack end support saddles assembled first.
First lower boom is first installed while two abdomens that installation is connected with first lower boom at the bearing of west
Bar and upper bolt sphere simultaneously be connecteds with having completed the upper bolt sphere in part, are allowed to form stable entirety that edge is small i.e. at rack end support saddle
Spell unit；
S2 installs the junior unit of falling corner grid i.e. top boom smallest assembled rigid unit of winding up
At rack end support saddle after the installation of edge smallest assembled rigid unit, start the continuous installation top boom smallest assembled rigid unit of falling corner
Grid is top boom smallest assembled rigid unit；The unit of falling corner is installed since block end, one is winded up the bar junior unit of bolt sphere four
I.e.-upper bolt sphere, two top booms, the smallest assembled rigid unit of two abdomen braces composition are hung to tie point, and operator is respectively by two web members
Termination is screwed into two lower edge bolt spheres, and two top booms are screwed into two upper bolt spheres respectively；
The s3 installation positive corner junior unit grids of lower edge are lower boom smallest assembled rigid unit
After top boom smallest assembled rigid unit installation, start the continuous installation lower boom smallest assembled rigid unit of falling corner grid；Will once
The bar junior unit of string bolt sphere four is-lower bolt sphere, two lower booms, the smallest assembled rigid unit of two abdomen braces composition be hung to tie point, operate
Two web member terminations are screwed into two respectively and winded up in bolt sphere by worker, and two lower booms are screwed into two lower bolt spheres respectively
On；Repeat step s2, s3 is until the assembled completion of last Pin Elements of Space Grid Truss.
Preferably, the Elements of Space Grid Truss elliptic plane size is 81*68.4m.
Preferably, the bolt ball surface is uniformly and symmetrically distributed several bolts hole, the bolt hole be used for web member or
The upper and lower chord member connection of person.
Preferably, the bolt sphere forms grid structure with bolt-sphere joints, the bolt after being connected with upper and lower chord member and web member
Ball node rack is made up of bolt sphere, rod member, sleeve, high-strength bolt and jackscrew；The rod member is top boom or lower boom or abdomen
Bar contains conehead, and high-strength bolt is connected as a single entity bolt sphere, sleeve and rod member from inside, and the high-strength bolt is correspondingly screwed into bolt
Hole.After the fastening of Elements of Space Grid Truss high-strength bolt, the positioning stove bolt on sleeve should be tightened locking.
Preferably, the sleeve radial symmetric opens up two chutes and is used to accommodate jackscrew.
In this step, whether high-strength bolt is tightened in place, and appearance is seamless with sphere-contact face in nut after fastening and pulls
Hand can not continue rotation and be considered as fastening in place；If continuing to application after fastening to exert oneself, jackscrew fracture is easily caused；So as to cause vacation
Tighten phenomenon.Grid structure with bolt-sphere joints is possible to after assembly is good, and respective nodes are because screw thread coordinates tension, jackscrew is cut and people
For etc. factor cause it is false twist, quality person carries out at scene other station, it is ensured that installation quality.
In the present invention, Roof Design uses bolt-ball net frame, and rack area of effective coverage is 4350 square metres, and steel mesh is set up
4 meters of meter height, about 220.02 tons of gross weight, 18.90 meters of setting height(from bottom).Across footpath is 81*68.4 rice to Elements of Space Grid Truss in length and breadth, belong to greatly across
Spend steel structure net rack assembling construction.
The present invention is by adopting the above-described technical solution, have the advantages that：
1st, the present invention has considered cost, duration, construction safety, installation operation conveniently and has combined scene reality, arranges
Except whole hanging method and Integral Lifting, determine to use the combined type being combined with local Assembly in pieces at height with segmental hoisting method
Assembling method；Reduce the work high above the ground time, reduce subsidiary materials cost, save the construction period.
2nd, this programme need to set up two wide 10 meters of pin from east, west Zhongting sideline below Elements of Space Grid Truss mount point to centre
Hand cradle job platform, lifted for south, two lateral medial section of north, closure segment is to overcome crane large arm to be used without mobile space
High-altitude scattered spelling carries out assembled；So this combined type construction method fully plays the advantage of two kinds of construction methods, successful gram
Taking the unfavorable conditions such as construction cost is high, the work high above the ground time is long, crane movement limitation so that integral construction security risk is low,
The advantages that place area occupied is few, and construction speed is fast.
Brief description of the drawings
Fig. 1 is steel grid roof plan and profile of the present invention；
Fig. 2 is Elements of Space Grid Truss sectionally smooth join schematic diagram of the present invention；
Fig. 3 is Elements of Space Grid Truss section assembling schematic diagram of the present invention；
Fig. 4 is Elements of Space Grid Truss segmental hoisting schematic diagram of the present invention；
Fig. 5 is bolted spherical node assembly schematic diagram on Elements of Space Grid Truss of the present invention；
Fig. 6 is that Elements of Space Grid Truss rod member of the present invention is connected enlarged diagram with bolted spherical node；
In accompanying drawing, 1- first segments, 2- second sections, the sections of 3- the 3rd, 4- fourth segments, the sections of 5- the 5th, the upper spiral shells of 6-
Bolt ball, bolt sphere under 7-, 8- web members, 9- lower booms, 10- top booms, the first peripheral cranes of 11-, 12- scaffold job platforms,
13- the first Zhongting cranes, 14- temporary support bars, 15- high-strength bolts, 16- rod members, 17- jackscrews, 18- sleeves.
Embodiment
For the objects, technical solutions and advantages of the present invention are more clearly understood, referring to the drawings and preferred reality is enumerated
Example is applied, the present invention is described in more detail.However, it is necessary to illustrate, many details listed in specification are only to be
Reader is set to have a thorough explanation to the one or more aspects of the present invention, even without these specific details can also
Realize the aspects of the invention.
Embodiment 1
Such as Fig. 1, a kind of construction method of roofing Elements of Space Grid Truss, it is characterised in that the Elements of Space Grid Truss is differed by some Pin length
Elements of Space Grid Truss splicing composition plane be the structure of ellipse, every Pin Elements of Space Grid Truss is made up of top boom 10, lower boom 9, web member 8
Several quadrangular pyramid units are spliced；Pass through bolt between each rod member 16 of the top boom 10, lower boom 9, web member 8
Ball connects, and the bolt sphere is divided into upper and lower bolt sphere 7, and upper bolt sphere 6 connects web member 8 and top boom 10, lower bolt sphere 7 connect
Connect web member 8 and lower boom 9；
As Figure 1-Figure 4, the steel grid construction method comprises the following steps：
Elliptic plane circumference and inside of the A1 along the roofing Elements of Space Grid Truss arrange crane, from east, west Zhongting sideline to
Two wide 10 meters scaffold job platform 12 is set up in centre, sets up operation ladder and grandstand；Wherein, Zhongting arranges 2 cranes,
Respectively first, second Zhongting crane；Periphery arranges 4 cranes, respectively first, second, third, fourth peripheral crane；Hang
Dress is lifted using a fit in 2 cranes one；Crane even symmetrical is distributed in Elements of Space Grid Truss North and South direction；
Roofing Elements of Space Grid Truss is carried out section assembling by A2, i.e., since gymnasium south and north to symmetrically to center by the room
Every 1 Pin segmentations of face Elements of Space Grid Truss are spliced, and every 1 Pin is spliced into 5 sections, respectively first segment 1, second section 2, the
Three sections 3, fourth segment 4, the 5th section 5, the assembled process of each section need to use temporary support bar 14；The first segment
Section 1 and the length of the 5th section 5 are changing value, i.e., are spliced into different length section according to roofing Elements of Space Grid Truss length requirement；
A Pin Elements of Space Grid Truss gross weights of maximum span are about 11.033t in the middle part of Elements of Space Grid Truss, and Pin Elements of Space Grid Truss segmentation is spliced,
Be divided into 5 sections of splicings, due to rack plane be ellipse, two span is small, and intermediate span is big, the 1st, 5 segmental lengths be become
Change value.The wide job platforms of 10m are respectively set up in Zhongting both sides, the wide crane operation faces of 15m are installed among Zhongting；The length of section division
Degree will ensure that section junction is located on job platform, convenient splicing；
In this step is first by the every of segmented assembly from south and north to every Pin requirements symmetrically to central segmented assembly
One Pin lifting groups meet the 2nd Pin of rear re-segmenting assembly, it is therefore intended that prevent from taking excessive place to fill the loose mail of assembly, Elements of Space Grid Truss
North lifting is consistent with hanging method in the south；
A3 is by the good every Pin of step A2 segmented assemblies first segment 1, second section 2, the 3rd section 3, fourth segment
4th, the 5th section 5 is from east and west to being symmetrically spliced into a Pin Elements of Space Grid Truss to centre；A crane is taken in architecture enclosing, separately
In Zhongting, two cranes are lifted one crane；Peripheral crane is used to carry out end section lifting in place and hangs section
Grandstand is transported to, the lifting of middle 3 sections is then carried out by crane in Zhongting；Peripheral crane is used to carry out end section lifting just
Position and section is hoisted to grandstand, then by Zhongting crane carry out among 3 sections lifting.
According to this engineering be bolt sphere compared with large span grid feature, lifted using sectionally smooth join, constructed simultaneously by south, north
Drawn close to centre；Zhongting uses scaffold, and as one-shot job platform, the place that middle closure segment crane can not stretch out large arm is adopted
The mount scheme spliced with high altitude bulk；Segmental hoisting is lifted using two truck cranes, and the junction between section is set
On scaffold job platform 12.
A4 repeat steps A2, A3, until stop the method for sectionally smooth join and segmental hoisting among remaining during a Pin Elements of Space Grid Truss,
Dissipated in middle closure segment using high-altitude and spell construction method；Erection sequence carries out assembly from west to east, is lifted using tower crane, closes
Hold together i.e. whole Elements of Space Grid Truss installation after section installation to complete；
As shown in Figure 4, it is preferred that every Pin section is from east and west to symmetrically thinking middle splicing in the step A3
Specific method is：
A the souths are lifted the end section of first segment 1 by the first peripheral crane 11 and are consolidated the end section of first segment 1 in place
It is fixed；
B by the first peripheral handling second section 2 of crane 11 to grandstand, then by the handling grandstand of the first Zhongting crane 13 second
Fix on section 2 to scaffold job platform 12 and in place；
C by the first peripheral section 3 of 11 handling of crane the 3rd to grandstand, then by the on the handling grandstand of the first Zhongting crane 13 the 3rd
Fix on section 3 to scaffold job platform 12 and in place；
D is in place fixed by the second peripheral end section of the 5th section of crane lifting 5；
E by the second peripheral crane lifting fourth segment 4 to grandstand, then by fourth segment on the second Zhongting crane handling grandstand
4 to fixing on scaffold job platform 12 and in place；Finally the 3rd section 3 and the seam crossing of fourth segment 4 are fixed in place, formed
The construction of one Pin Elements of Space Grid Truss.
As shown in figure 3, described first, second, third, fourth, each section of the 5th section 5 is in installation on ground method
For：
Lower boom 9 is first carried out spelling by b1 on ground, i.e., first carrying out group with lower bolt sphere 7 with 7 lower booms 9 is connected into
" day ", then 2 web members 8 and upper bolt sphere 6, lower bolt sphere 7, are attached by assembled web member 8 using temporary support bar 14；
B2 then continues to assembled 2 web members 8, makes this two web members 8 and mounted two web members 8 share upper spiral shell in b1
Bolt ball 6, and be connected with lower bolt sphere 7 so that after the half of 4 web members 8 and " day " word forms positive quadrangular pyramid, then in quadrangular pyramid
Drift angle installation top boom 10 causes the one end of top boom 10 to be connected with upper bolt sphere 6；
B3 is then further continued for group and connects web member 8, and the other end and 2 new web members 8 for making the top boom 10 in step b2 are carried out
Connection, while the intermediate ends point of " day " word that web member 8 forms with lower boom 9 is attached；
B4 then continues to install " day " that 2 web members 8 are allowed to form with two web members 8 in step b3 and lower boom 9
Second half of word forms another positive quadrangular pyramid；Then continue assembly to both sides, repeat the above steps, complete the spelling of section
Dress.
Preferably, the scattered construction method of spelling in the high-altitude is：Painted to avoid damage to rod member 16, using 5t suspender belts, wear knot
Rope method is lifted after fixing；Numbered according to rod member in drawing 16, bolt sphere before assembling, spelled in east and west sides rack assembly region
Into lifting junior unit, according to the lifting sequence of rod member 16, group puts smallest assembled rigid unit one by one；Spelling junior unit is divided into 10 small spelling of top boom
Unit, the smallest assembled rigid unit of lower boom 9, edge smallest assembled rigid unit, centered on smallest assembled rigid unit distinguishes above lower edge bolt sphere, in connection two
Lower edge mobile jib and two web members 8；Ground will be connected firmly when assembling, close inspection before lifting, prevent from loosely producing pine because connecting
It is dynamic, avoid during lifting, fall casualty accident after installation.
Preferably, the high-altitude dissipates spelling construction method and comprised the following steps that：
Edge smallest assembled rigid unit at s1 rack end support saddles assembled first.
First lower boom 9 be first installed at the bearing of west at the same installation is connected with first lower boom 9 two
Web member 8 and upper bolt sphere 6 are simultaneously connected with having completed the upper bolt sphere 6 in part, are allowed to be formed stable entirety i.e. at rack end support saddle
Edge smallest assembled rigid unit；
S2 installs the junior unit of the falling corner grid i.e. smallest assembled rigid unit of top boom 10 of winding up
At rack end support saddle after the installation of edge smallest assembled rigid unit, starting continuous installation top boom 10, the small spelling in corner is single
First grid is the smallest assembled rigid unit of top boom 10；The unit of falling corner is installed since block end, one is winded up the small list of the bar of bolt sphere four
Member i.e.-upper bolt sphere 6, two top booms 10, the smallest assembled rigid unit of two abdomen braces composition be hung to tie point, operator is respectively by two
The termination of root web member 8 is screwed into two lower edge bolt spheres, and two top booms 10 are screwed into two upper bolt spheres 6 respectively；
The s3 installation positive corner junior unit grids of lower edge are the smallest assembled rigid unit of lower boom 9
After the smallest assembled rigid unit installation of top boom 10, start the continuous installation smallest assembled rigid unit of the falling corner grid of lower boom 9；By one
The bar junior unit of lower edge bolt sphere four is-lower bolt sphere 7, two lower booms 9, the smallest assembled rigid unit of two abdomen braces composition be hung to tie point,
Two terminations of web member 8 are screwed into two respectively and winded up in bolt sphere by operator, and two lower booms 9 are screwed under two respectively
In bolt sphere 7；Repeat step s2, s3 is until the assembled completion of last Pin Elements of Space Grid Truss.
Preferably, the Elements of Space Grid Truss elliptic plane size is 81*68.4m.
Preferably, the bolt ball surface is uniformly and symmetrically distributed several bolts hole, the bolt hole be used for web member 8 or
The upper and lower chord member 9 of person connects.
Preferably, the bolt sphere forms grid structure with bolt-sphere joints, the spiral shell after being connected with upper and lower chord member 9 and web member 8
Bolt ball node rack is made up of bolt sphere, rod member 16, sleeve 18, high-strength bolt 15 and jackscrew 17；The rod member 16 is top boom
10 or lower boom 9 or web member 8 contain conehead, high-strength bolt 15 is connected as a single entity bolt sphere, sleeve 18 and rod member 16 from inside, described
High-strength bolt 15 is corresponding to be screwed into bolt hole.After Elements of Space Grid Truss high-strength bolt 15 fastens, the positioning stove bolt on sleeve 18 should be tightened
Locking.
Preferably, the radial symmetric of sleeve 18 opens up two chutes and is used to accommodate jackscrew 17.
In this step, whether high-strength bolt 15 is tightened in place, appearance fastening after nut and sphere-contact face it is seamless and
Spanner can not continue rotation and be considered as fastening in place；If continuing to application after fastening to exert oneself, easily cause jackscrew 17 and be broken；So as to make
Phenomenon is tightened into vacation.Grid structure with bolt-sphere joints is possible to after assembly is good, and respective nodes coordinate tension, jackscrew 17 to be cut because of screw thread
The factor such as disconnected and artificial causes vacation to twist, and quality person carries out at scene other station, it is ensured that installation quality.
In the present invention, Roof Design uses bolt-ball net frame, and rack area of effective coverage is 4350 square metres, and steel mesh is set up
4 meters of meter height, about 220.02 tons of gross weight, 18.90 meters of setting height(from bottom).Across footpath is 81*68.4 rice to Elements of Space Grid Truss in length and breadth, belong to greatly across
Spend steel structure net rack assembling construction.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
- A kind of 1. construction method of roofing Elements of Space Grid Truss, it is characterised in that the Elements of Space Grid Truss that the Elements of Space Grid Truss is differed by some Pin length Splicing composition plane is the structure of ellipse, several quadrangular pyramids that every Pin Elements of Space Grid Truss is made up of top boom, lower boom, web member Unit spliced forms；Connected between each rod member of the top boom, lower boom, web member by bolt sphere, the bolt sphere It is divided into upper and lower bolt sphere, upper bolt sphere connection web member and top boom, lower bolt sphere connection web member and lower boom；The steel grid construction method comprises the following steps：Elliptic plane circumference and inside of the A1 along the roofing Elements of Space Grid Truss arrange crane, from east, west Zhongting sideline to centre Two wide 10 meters scaffold job platform is set up, sets up operation ladder and grandstand；Wherein, Zhongting arranges 2 cranes, is respectively First, second Zhongting crane；Periphery arranges 4 cranes, respectively first, second, third, fourth peripheral crane；Lifting uses 2 A fit on lifts in platform crane one；Crane even symmetrical is distributed in Elements of Space Grid Truss North and South direction；Roofing Elements of Space Grid Truss is carried out section assembling by A2, i.e., since gymnasium south and north to symmetrically to center by the roofing steel Every 1 Pin segmentations of rack are spliced, and every 1 Pin is spliced into 5 sections, respectively first segment (1), second section (2), the Three sections (3), fourth segment (4), the 5th section (5), the assembled process of each section need to use temporary support bar (14)；Institute It is changing value to state first segment (1) and the 5th section (5) length, i.e., is spliced into different length according to roofing Elements of Space Grid Truss length requirement Section；In this step is first by every Pin of segmented assembly from south and north to every Pin requirements symmetrically to central segmented assembly Lifting group meets the 2nd Pin of rear re-segmenting assembly, it is therefore intended that prevents from taking excessive place to fill the loose mail of assembly, Elements of Space Grid Truss north Lifting is consistent with hanging method in the south；A3 by the good every Pin of step A2 segmented assemblies first segment (1), second section (2), the 3rd section (3), Section four Section (4), the 5th section (5) are from east and west to being symmetrically spliced into a Pin Elements of Space Grid Truss to centre；A crane is taken outside building Enclose, in Zhongting, two cranes are lifted another crane；Peripheral crane is used to carry out end section lifting in place and will saved Section is hoisted to grandstand, and the lifting of middle 3 sections is then carried out by crane in Zhongting；A4 repeat steps A2, A3, until stopping the method for sectionally smooth join and segmental hoisting among remaining during a Pin Elements of Space Grid Truss, in Between closure segment using high-altitude dissipate spell construction method；Erection sequence carries out assembly from west to east, is lifted using tower crane, closure segment It is that whole Elements of Space Grid Truss installation is completed after installation.
- 2. the construction method of roofing Elements of Space Grid Truss according to claim 1, it is characterised in that every Pin in the step A3 Section is from east and west to the specific method for symmetrically thinking middle splicing：A the souths are by the first peripheral crane lifting first segment (1) end section and solid in place by first segment (1) end section It is fixed；B by the first peripheral crane handling second section (2) to grandstand, then by second section on the first Zhongting crane handling grandstand (2) to fixing on scaffold job platform and in place；C by the first peripheral section (3) of crane handling the 3rd to grandstand, then by the 3rd section on the first Zhongting crane handling grandstand (3) to fixing on scaffold job platform and in place；D is in place fixed by second peripheral section (5) end section of crane lifting the 5th；E by the second peripheral crane lifting fourth segment (4) to grandstand, then by fourth segment on the second Zhongting crane handling grandstand (4) to fixing on scaffold job platform and in place；Finally the 3rd section (3) and fourth segment (4) seam crossing are fixed in place, Form the construction of a Pin Elements of Space Grid Truss.
- 3. the construction method of roofing Elements of Space Grid Truss according to claim 1, it is characterised in that described first, second, third, Each section of four, the 5th sections is in installation on ground method：Lower boom (9) is first carried out spelling by b1 on ground, i.e., first carries out group with lower bolt sphere (7) with 7 lower booms (9) and be connected into " day ", then 2 web members (8), are attached by assembled web member (8) using temporary support bar (13) with upper and lower bolt sphere；B2 then continues to assembled 2 web members, makes this two web members and mounted 2 web members share upper bolt sphere (6) in b1, And it is connected with lower bolt sphere (7) so that after the half of 4 web members and " day " word forms positive quadrangular pyramid, then the drift angle in quadrangular pyramid Installation top boom (10) causes top boom (10) one end to be connected with upper bolt sphere；B3 is then further continued for group and connects web member (8), and the other end and 2 new web members (8) for making the top boom (10) in step b2 enter Row connection, while the intermediate ends point of " day " word that web member (8) forms with lower boom (9) is attached；B4 then continues to 2 web members (8) of installation and is allowed to what is formed with two web members (8) in step b3 and lower boom (9) Second half of " day " word forms another positive quadrangular pyramid；Then continue assembly to both sides, repeat the above steps, complete section It is assembled.
- 4. the construction method of roofing Elements of Space Grid Truss according to claim 1, it is characterised in that the high-altitude, which dissipates, spells construction method For：To avoid damage to rod member paint, using 5t suspender belts, wear after bend hawsers method is fixed and lifted；According to bar in drawing before assembling Part, bolt sphere numbering, are combined into lifting junior unit, group is put one by one according to member erection order in east and west sides rack assembly region Smallest assembled rigid unit；Spelling junior unit is divided into top boom smallest assembled rigid unit, lower boom smallest assembled rigid unit, edge smallest assembled rigid unit, smallest assembled rigid unit point Centered on other above lower edge bolt sphere, two upper lower edge mobile jibs and two web members are connected；Ground will be connected firmly when assembling, and lift Preceding close inspection, prevent from loosely producing loosening because connecting, avoid during lifting, fall casualty accident after installation.
- 5. the construction method of roofing Elements of Space Grid Truss according to claim 4, it is characterised in that the high-altitude, which dissipates, spells construction method Comprise the following steps that：Edge smallest assembled rigid unit at s1 rack end support saddles assembled first.First lower boom be first installed at the bearing of west at the same two web members that installation is connected with first lower boom and Upper bolt sphere is simultaneously connected with having completed partly upper bolt sphere, is allowed to form the stable small spelling list in overall edge i.e. at rack end support saddle Member；S2 installs the junior unit of falling corner grid i.e. top boom smallest assembled rigid unit of winding upAt rack end support saddle after the installation of edge smallest assembled rigid unit, start the continuous installation top boom smallest assembled rigid unit of falling corner grid That is top boom smallest assembled rigid unit；Since block end install the unit of falling corner, by one wind up the bar junior unit of bolt sphere four i.e.-on Bolt sphere, two top booms, the smallest assembled rigid unit of two abdomen braces composition are hung to tie point, and operator respectively twists two web member terminations Enter in two lower edge bolt spheres, two top booms are screwed into two upper bolt spheres respectively；The s3 installation positive corner junior unit grids of lower edge are lower boom smallest assembled rigid unitAfter top boom smallest assembled rigid unit installation, start the continuous installation lower boom smallest assembled rigid unit of falling corner grid；By a lower edge spiral shell The bar junior unit of bolt ball four is-lower bolt sphere, two lower booms, the smallest assembled rigid unit of two abdomen braces composition be hung to tie point, operator Two web member terminations are screwed into two respectively to wind up in bolt sphere, two lower booms are screwed into two lower bolt spheres respectively； Repeat step s2, s3 is until the assembled completion of last Pin Elements of Space Grid Truss.
- A kind of 6. construction method of roofing Elements of Space Grid Truss according to claim 1, it is characterised in that the Elements of Space Grid Truss ellipse Planar dimension is 81*68.4m.
- 7. the construction method of a kind of roofing Elements of Space Grid Truss according to claim 1, it is characterised in that the bolt ball surface is equal Several even symmetrical bolts hole, the bolt hole are used to be connected with web member or upper and lower chord member.
- A kind of 8. construction method of roofing Elements of Space Grid Truss according to claim 7, it is characterised in that the bolt sphere with it is upper, Grid structure with bolt-sphere joints is formed after lower boom and web member connection, the grid structure with bolt-sphere joints is by bolt sphere, rod member (16), set Cylinder (18) and high-strength bolt (15), jackscrew (17) are formed；The rod member is that top boom (10) or lower boom (9) or web member (8) contain Conehead, high-strength bolt (15) are connected as a single entity bolt sphere, sleeve (18) and rod member (16) from inside, and the high-strength bolt (15) is right Bolt hole should be screwed into.
- 9. the construction method of a kind of roofing Elements of Space Grid Truss according to claim 8, it is characterised in that the sleeve (18) is radially It is symmetrical to open up two chutes for accommodating jackscrew (17).
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| CN108425509A (en) * | 2018-05-22 | 2018-08-21 | 中铁重工有限公司 | A kind of grid structure with bolt-sphere joints light-duty steel construction house replaces the construction method of rod piece and bolt sphere |
| CN108487646A (en) * | 2018-04-27 | 2018-09-04 | 中冶建工集团有限公司 | A kind of solder sphere grid structure segmental hoisting closes up seam construction method |
| CN108590033A (en) * | 2018-05-04 | 2018-09-28 | 国电大渡河沙坪水电建设有限公司 | A kind of factory building roof rack project installation structure and its construction method |
| CN108661325A (en) * | 2018-04-02 | 2018-10-16 | 中国十七冶集团有限公司 | A kind of large-scale steel structure rotation ramp inversion construction method based on BIM |
| CN108678257A (en) * | 2018-06-11 | 2018-10-19 | 中建局集团建设发展有限公司 | A kind of wide-angle Sloping roof steel construction and its construction method |
| CN110158774A (en) * | 2019-06-24 | 2019-08-23 | 南通大学 | A kind of construction method that large span grid double-machine lifting crane subregion closes up |
| CN111335476A (en) * | 2020-04-02 | 2020-06-26 | 山东天齐置业集团股份有限公司 | Staggered floor steel mesh frame subsection lifting accumulative assembling construction method |
| CN111535442A (en) * | 2020-05-08 | 2020-08-14 | 安徽伟宏钢结构集团股份有限公司 | Welding ball net rack assembling construction process |
| CN111535439A (en) * | 2020-05-08 | 2020-08-14 | 安徽伟宏钢结构集团股份有限公司 | Integral installation construction method of planar net rack |
| CN112267568A (en) * | 2020-11-06 | 2021-01-26 | 中铁二十局集团市政工程有限公司 | Steel truss structure sectional hoisting construction method |
| CN113123469A (en) * | 2021-03-24 | 2021-07-16 | 中国五冶集团有限公司 | Method for constructing complex curved surface modeling roof grid structure |
| CN113123609A (en) * | 2021-04-20 | 2021-07-16 | 贵州建工集团第一建筑工程有限责任公司 | Method for mounting steel structure dome net rack with two low ends and high middle |
| CN113818560A (en) * | 2021-09-23 | 2021-12-21 | 广东省洲际建工集团有限公司 | Grid and steel structure combined structure and construction method thereof |
| CN114658232A (en) * | 2022-04-08 | 2022-06-24 | 长江精工钢结构(集团)股份有限公司 | Installation method for slidably installing roof net rack system by using truss car |
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| CN115404994A (en) * | 2022-10-21 | 2022-11-29 | 中建八局第二建设有限公司 | Construction method of irregular curve space three-dimensional truss system of super-large-span building |
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| CN108661325A (en) * | 2018-04-02 | 2018-10-16 | 中国十七冶集团有限公司 | A kind of large-scale steel structure rotation ramp inversion construction method based on BIM |
| CN108487646A (en) * | 2018-04-27 | 2018-09-04 | 中冶建工集团有限公司 | A kind of solder sphere grid structure segmental hoisting closes up seam construction method |
| CN108590033A (en) * | 2018-05-04 | 2018-09-28 | 国电大渡河沙坪水电建设有限公司 | A kind of factory building roof rack project installation structure and its construction method |
| CN108425509A (en) * | 2018-05-22 | 2018-08-21 | 中铁重工有限公司 | A kind of grid structure with bolt-sphere joints light-duty steel construction house replaces the construction method of rod piece and bolt sphere |
| CN108678257A (en) * | 2018-06-11 | 2018-10-19 | 中建局集团建设发展有限公司 | A kind of wide-angle Sloping roof steel construction and its construction method |
| CN110158774A (en) * | 2019-06-24 | 2019-08-23 | 南通大学 | A kind of construction method that large span grid double-machine lifting crane subregion closes up |
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| CN111335476B (en) * | 2020-04-02 | 2021-06-08 | 山东天齐置业集团股份有限公司 | Staggered floor steel mesh frame subsection lifting accumulative assembling construction method |
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| CN111535442A (en) * | 2020-05-08 | 2020-08-14 | 安徽伟宏钢结构集团股份有限公司 | Welding ball net rack assembling construction process |
| CN112267568A (en) * | 2020-11-06 | 2021-01-26 | 中铁二十局集团市政工程有限公司 | Steel truss structure sectional hoisting construction method |
| CN112267568B (en) * | 2020-11-06 | 2022-05-17 | 中铁二十局集团市政工程有限公司 | Steel truss structure sectional hoisting construction method |
| CN113123469A (en) * | 2021-03-24 | 2021-07-16 | 中国五冶集团有限公司 | Method for constructing complex curved surface modeling roof grid structure |
| CN113123609A (en) * | 2021-04-20 | 2021-07-16 | 贵州建工集团第一建筑工程有限责任公司 | Method for mounting steel structure dome net rack with two low ends and high middle |
| CN113818560A (en) * | 2021-09-23 | 2021-12-21 | 广东省洲际建工集团有限公司 | Grid and steel structure combined structure and construction method thereof |
| CN114658232A (en) * | 2022-04-08 | 2022-06-24 | 长江精工钢结构(集团)股份有限公司 | Installation method for slidably installing roof net rack system by using truss car |
| CN114922435A (en) * | 2022-05-17 | 2022-08-19 | 山东电力工程咨询院有限公司 | Construction method of bolt-sphere joint net rack of garbage power station |
| CN115404994A (en) * | 2022-10-21 | 2022-11-29 | 中建八局第二建设有限公司 | Construction method of irregular curve space three-dimensional truss system of super-large-span building |
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