CN107939141B - Steel structure tower and construction method thereof - Google Patents
Steel structure tower and construction method thereof Download PDFInfo
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- CN107939141B CN107939141B CN201711136111.5A CN201711136111A CN107939141B CN 107939141 B CN107939141 B CN 107939141B CN 201711136111 A CN201711136111 A CN 201711136111A CN 107939141 B CN107939141 B CN 107939141B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 272
- 239000010959 steel Substances 0.000 title claims abstract description 272
- 238000010276 construction Methods 0.000 title claims abstract description 87
- 210000001503 joint Anatomy 0.000 claims abstract description 19
- 238000005034 decoration Methods 0.000 claims abstract description 15
- 239000011159 matrix material Substances 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 13
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 9
- 230000009193 crawling Effects 0.000 claims description 8
- 230000001502 supplementing effect Effects 0.000 claims description 6
- 241000282326 Felis catus Species 0.000 claims description 5
- 230000009194 climbing Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 10
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The steel structure comprises a tower body, a tower inner stair and a tower top decoration body, wherein the tower body is integrally tower-shaped, the tower comprises a lower section tower, a middle section tower and an upper section tower, the lower section tower is in a regular hexagonal pyramid shape, the middle section tower is in a regular triangular pyramid shape, the upper section tower is in a regular triangular pyramid shape, three upper section steel columns arranged along the side edges of the regular triangular pyramid are arranged, the bottom ends of the upper section steel columns are in butt joint with the top ends of the middle section steel pipe columns at intervals, the tower inner stair is arranged inside the middle section tower from bottom to top, the tower inner stair comprises a lower section double-track steel stair and an upper section steel ladder, and the construction steps comprise deep design, manufacturing lifting units, sequentially installing the lifting units, constructing the curtain wall structure and the like. The invention divides the tower body into hoisting tower sections from top to bottom, each hoisting tower section is divided into two hoisting units from left to right and is connected with an overhead working platform, and the construction steps are clear and particularly suitable for the construction of the tower steel structure.
Description
Technical Field
The invention relates to a steel structure and a construction method thereof, in particular to a steel structure tower and a construction method thereof.
Background
With the increasing improvement of the prior art, architects are able to enrich their own design styles and design various desired functions and shapes. Particularly, the design style with regional characteristics ensures basic building design, and meanwhile, under the condition that the member transportation and hoisting capacity is limited, the steel structure can only be manufactured in sections in a processing plant, and the later installation quality can be ensured when the member is skillfully segmented and decomposed. Meanwhile, when the hoisting unit is installed, if the steel structure is improperly segmented, the problem of deformation is frequently encountered, and how to ensure the construction quality in the installation process is also a problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a steel structure tower and a construction method thereof, which aim to solve the technical problems of how to manufacture a tower-shaped structure in a segmented way and how to guarantee construction quality in field air installation construction.
In order to achieve the above purpose, the invention adopts the following technical scheme:
A steel structure tower comprises a steel structure sitting on a concrete matrix and a curtain wall structure fixedly connected to the outer side of the steel structure, wherein the steel structure comprises a tower body, a tower inner stair and a tower top decoration body,
The whole tower body is tower-shaped and comprises a lower section tower, a middle section tower and an upper section tower,
The lower section tower is in a regular hexagonal prism shape and comprises six lower section steel columns arranged along the side edges, the lower section steel columns are stiff steel columns embedded into a concrete matrix and are connected with the concrete matrix through embedded anchors,
The middle section tower is a regular hexagonal frustum and comprises six middle section steel pipe columns and a group of steel pipe ring beams which are arranged along the side edges of the regular hexagonal frustum,
The bottom ends of the middle section steel pipe columns are in butt joint with the top ends of the lower section steel columns one by one, the steel pipe ring beams are vertically distributed at intervals along the middle section tower,
Each steel pipe ring beam forms a regular hexagon, the size of the regular hexagons formed by the group of steel pipe ring beams along the middle section tower from bottom to top is sequentially reduced,
The upper section tower is in a regular triangular pyramid shape and comprises three upper section steel columns arranged along the side edges of the regular triangular pyramid, the bottom ends of the upper section steel columns are in interval butt joint with the top ends of the middle section steel pipe columns,
The inner stairs of the tower are arranged in the middle tower from bottom to top, the inner stairs of the tower are divided into double steel running stairs comprising a lower section and a steel crawling ladder of an upper section by taking the accommodating space in the middle tower as a standard,
The double-running steel stair comprises a group of horizontal stair platforms and a group of inclined stair steps, wherein the stair platforms are alternately connected to the middle section steel pipe column in the tower, and the stair steps are connected between two upper and lower adjacent stair platforms.
The lower section tower is divided into lower section hoisting tower sections, each lower section hoisting tower section comprises six lower section steel columns, the steel columns between the adjacent lower section hoisting tower sections are in butt joint,
The middle section tower is divided into middle section lifting tower sections, each middle section lifting tower section comprises six middle section steel pipe columns, except the bottommost section of the middle section lifting tower section, each section of the rest tower sections comprises at least one steel pipe ring beam, the adjacent middle section steel pipe columns are in butt joint,
The upper section tower is divided into upper section hoisting tower sections, each upper section hoisting tower section comprises three upper section steel pipe columns, and adjacent upper section steel pipe columns are in butt joint.
The bottom section of the middle section hoisting tower section is exposed out of the concrete matrix, the section is fixedly connected with a horizontal round platform steel structure, and the bottom section of the upper section hoisting tower section is also fixedly connected with a horizontal round platform steel structure.
The circular platform steel structure comprises an outer circular ring beam and an inner regular polygon ring beam which are concentric, and also comprises an inner ring connecting beam, an outer ring connecting beam and a column connecting beam,
The outside ring roof beam encloses the periphery of closing at the steel-pipe column, through radial, with the outer ring tie beam fixed connection of steel-pipe column one-to-one connection in the periphery of steel-pipe column, inboard regular polygon ring roof beam connects in order between the steel-pipe column, is connected with the inter-column tie beam between the opposite steel-pipe column, the roof beam height of inboard regular polygon ring roof beam, outer ring tie beam and inter-column tie beam is the same, the roof beam height of outside ring roof beam is less than outer ring tie beam, inboard regular polygon ring roof beam, outer ring tie beam and inter-column tie beam are connected in the same high position on the steel-pipe column.
The tower top decoration body comprises a vertical connection steel pipe fixedly connected with the tower tip of the upper tower and a decoration main body fixedly connected to the vertical connection steel pipe, wherein the decoration main body is in a five-pointed star shape and is formed by splicing square conductors.
The construction method of the steel structure tower comprises the following construction steps:
Dividing a lower section tower, a middle section tower and an upper section tower into a lower section lifting tower section, a middle section lifting tower section and an upper section lifting tower section according to the lifting capacity of the tower crane, wherein each section of middle section lifting tower section is divided into two lifting units with symmetrical structures;
secondly, lofting a jig frame axis of a middle hoisting tower section on the ground according to deepened design, then erecting a jig frame of a hoisting unit on the ground, and splicing the jig frame, wherein the jig frame is divided into a double steel running stair construction section and a steel climbing stair construction section;
except for the bottommost section of the middle section hoisting tower section, the double-running steel stair construction section and the steel climbing ladder construction section comprise the following steps:
step a, each hoisting unit comprises three middle section steel pipe columns, and two adjacent middle section steel pipe columns in a plane are firstly positioned on a jig frame;
B, connecting a steel pipe ring beam between the two middle section steel pipe columns in the step a;
c, positioning a third middle section steel pipe column on the jig frame, and then connecting a steel pipe ring beam between the third middle section steel pipe column and the middle section steel pipe column in the step a;
Step d, fixedly connecting deformation-preventing temporary reinforcing steel beams at the positions without ring beams at the lower ends of the middle section steel pipe columns, wherein the deformation-preventing temporary reinforcing steel beams are two or three arranged at equal elevations and are respectively connected between the middle section steel pipe columns of the hoisting units;
f, repeatedly continuing assembling the hoisting unit of the next section;
the double-steel-running stair construction section further comprises a step e after the step d, wherein a stair platform is connected among the three middle section steel pipe columns;
Finishing the assembly of the middle section tower;
Thirdly, lofting the axis of the jig frame on the ground according to the deepened design, then erecting the jig frame on the ground, and assembling the jig frame;
Fourthly, lofting the axis of the jig frame on the ground according to the deepened design, then erecting the jig frame on the ground, and assembling the jig frame;
fifthly, constructing embedded bolts, then hoisting a lower section hoisting tower section by a crane for installation and butt joint, pouring concrete to enable the lower section tower to be immersed in a concrete matrix, and exposing the top surface of the concrete matrix from the top end part of the lower section tower connected with the middle section tower;
Step six, constructing a double-running steel stair construction section:
Lifting one lifting unit of the bottommost section in the construction section by a crane, respectively butting three middle section steel pipe columns of the unit with three lower section steel columns of a lower section tower, lifting the other lifting unit of the bottommost section by the crane, respectively butting three middle section steel pipe columns of the unit with the other three lower section steel columns of the lower section tower, and then supplementing horizontal members among the lifting units; finally, alternately connecting stair steps between stair platforms between two hoisting units of the bottommost section;
Step seven, repeating the construction step six until the construction section of the steel ladder stand;
Step eight, constructing a steel crawling ladder construction section: lifting one lifting unit of the bottommost section in the construction section by a crane, respectively butting three middle section steel pipe columns of the unit with three lower section steel columns of a lower section tower, lifting the other lifting unit of the bottommost section by the crane, respectively butting three middle section steel pipe columns of the unit with the other three lower section steel columns of the lower section tower, and then supplementing horizontal members among the lifting units; finally, a steel cat ladder is installed between the two hoisting units of the bottommost joint;
step nine, repeating the construction step eight until the construction of the middle section hoisting tower section is completed;
Step ten, integrally hoisting each upper hoisting tower section by a crane, butting the bottommost section with the middle tower, and enabling the steel crawling ladder to extend into the upper tower;
Step elevationally, integrally hoisting the tower top decorative body through a crane;
And twelve, constructing a curtain wall structure and finishing the construction of the steel structure tower.
When constructing the bottommost festival of middle section hoist and mount tower festival, hoist and mount unit includes three middle section steel-pipe columns and circular platform steel structure unit, and every circular platform steel structure unit includes one section curved outside ring beam, two inboard regular polygon ring beams and three inside and outside ring tie-beams, horizontal component is the remaining uninstalled component of circular platform steel structure unit, including two sections outside ring beams, two inboard regular polygon ring beams and inter-column tie-beams, the inboard regular polygon ring beam in the horizontal component is parallel with the inter-column tie-beams.
When the middle section is constructed to hoist the rest of the tower sections, the horizontal member is a steel pipe ring beam and the rest is not installed.
The outer side of each middle section hoisting tower section is fixedly connected with a high-altitude operation platform, the high-altitude operation platform is fixedly installed on the hoisting unit in a form of a platform unit before the step six, and the horizontal components are residual uninstalled components among the high-altitude operation platforms.
The curtain wall structure comprises a tower body curtain wall and a tower top decorative body curtain wall,
The tower body curtain wall divides a tower body curtain wall unit according to each side surface of the prismatic, prismatic table or pyramid shape of the steel structure, each tower body curtain wall unit comprises a tower body facing, a tower body keel and a connecting piece, the tower body facing and the tower body keel are assembled into a whole on the ground, the connecting piece is welded with the tower body keel, the tower body curtain wall is directly hoisted to the outer side of the steel structure through a tower crane and is connected with the steel structure through bolts,
The tower top decorative body curtain wall comprises a decorative body facing and a decorative body keel, and the decorative body keel is welded with the steel structure.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
The invention relates to a steel structure tower at the top of a building, which has clear and ingenious structural stress design, and is deeply designed by utilizing the characteristics of the structural shape during construction, the upper part and the lower part of the tower body are divided into hoisting tower sections, and each hoisting tower section is divided into two hoisting units at the left and the right and is connected with an overhead working platform. Before construction, assembling the hoisting units on the ground, directly constructing the hoisting units by adopting a crane, and then repairing and connecting horizontal members among the hoisting units. The construction method has definite construction steps and is particularly suitable for the construction of the tower-type steel structure.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the external structure of the steel structure tower of the present invention.
Fig. 2 is a schematic diagram of step a in the second step of the construction method of the present invention.
FIG. 3 is a schematic diagram of step b in step two of the construction method of the present invention.
Fig. 4 is a schematic diagram of step c in step two of the construction method of the present invention.
Fig. 5 is a schematic diagram of step d in the second step of the construction method of the present invention.
Fig. 6 is a schematic diagram of step e in the second step of the construction method of the present invention.
Fig. 7 is a schematic diagram of step f in step two of the construction method of the present invention, including two hoisting units.
Fig. 8 is a schematic diagram of step f in step two of the construction method of the present invention, including three hoisting units.
Fig. 9 is a schematic plan view of a deformation-preventing temporary reinforcing steel beam.
Fig. 10 is a schematic view of the installation of vertical connecting steel pipes in step four of the construction method of the present invention.
Fig. 11 is a schematic view of the installation of the decorative body in step four of the construction method of the present invention.
FIG. 12 is a schematic illustration of a circular platform steel structural unit installed in the middle tower section of the bottommost section in step six of the construction method of the present invention.
FIG. 13 is a schematic illustration of the installation of two circular platform steel structural units in the middle tower section of the bottommost section in step six of the construction method of the present invention.
FIG. 14 is a schematic view of a connecting horizontal member between two circular platform steel structural units in a middle tower section of a bottommost section in step six of the construction method of the present invention.
Fig. 15 is a schematic view of a hoisting unit installed in the remaining middle tower section in step six of the construction method of the present invention.
Fig. 16 is a schematic view of two hoisting units installed in the remaining middle tower section in step six of the construction method of the present invention.
FIG. 17 is a schematic view of the connection of horizontal members between two hoisting units of the remaining middle tower section in step six of the construction method of the present invention.
Fig. 18 is a schematic structural view after construction to an upper section tower.
Fig. 19 is a schematic view of the structure after construction to the overhead trim.
Reference numerals: 1-tower body, 11-lower section steel column, 12-middle section steel pipe column, 13-steel pipe ring beam, 14-upper section steel column, 1 a-lower section lifting tower section, 1 b-middle section lifting tower section, 1 c-upper section lifting tower section, 2-inner tower stairs, 21-double running steel stairs, 211-stair platform, 212-stair step, 22-steel cat ladder, 3-tower top decoration body, 31-vertical connecting steel pipe, 32-decoration body, 4-round platform steel structure, 41-outer side ring beam, 42-inner side regular polygon ring beam, 43-inner and outer ring connecting beam, 44-inter-column connecting beam, 5-deformation-preventing temporary reinforcing steel beam, 6-high-altitude operation platform and 61-platform unit.
Detailed Description
Example referring to fig. 1, a steel structure tower comprises a steel structure sitting on a concrete matrix and a curtain wall structure fixedly connected to the outer side of the steel structure, wherein the steel structure comprises a tower body 1, a tower inner stair 2 and a tower top decoration body 3.
The whole tower body is tower-shaped and comprises a lower section tower, a middle section tower and an upper section tower.
The lower section tower is in a regular hexagonal prism shape and comprises six lower section steel columns 11 which are arranged along side edges, wherein the lower section steel columns are stiff steel skeleton columns embedded into a concrete matrix and are connected with the concrete matrix through embedded anchor bolts.
The middle section tower is a regular hexagonal frustum and comprises six middle section steel pipe columns 12 and a group of steel pipe ring beams 13, wherein the six middle section steel pipe columns are arranged along the side edges of the regular hexagonal frustum.
The bottom of the middle section steel pipe column 12 is in butt joint with the top of the lower section steel column 11 one by one, and the steel pipe ring beams 13 are vertically distributed at intervals along the middle section tower.
Each steel pipe ring beam 13 forms a regular hexagon, and the sizes of the regular hexagons formed by the group of steel pipe ring beams from bottom to top along the middle section tower are sequentially reduced.
The upper tower is in a regular triangular pyramid shape and comprises three upper steel columns 14 arranged along the side edges of the regular triangular pyramid, and the bottom ends of the upper steel columns 14 are in butt joint with the top ends of the middle steel pipe columns 12 at intervals.
Referring to fig. 19, the inner stairs 2 are arranged in the middle tower from bottom to top, and the inner stairs 2 are divided into a double-running steel stair 21 with a lower section and a steel cat ladder 22 with an upper section based on the accommodating space in the middle tower.
Referring to fig. 17, the double-track steel stair comprises a group of horizontal stair steps 211 and a group of inclined stair steps 212, wherein the stair steps 211 are alternately connected to the middle section steel pipe column 12 in the tower, and the stair steps 212 are connected between two upper and lower adjacent stair steps 211. The middle section steel pipe column 12 is connected with the steel pipe ring beam 13 in a penetrating way.
Referring to fig. 18, the lower section tower is divided into lower section lifting tower sections 1a, and each lower section lifting tower section 1a comprises six lower section steel columns which are in butt joint with each other.
The middle section tower is divided into middle section lifting tower sections 1b, six middle section steel pipe columns are arranged on each middle section lifting tower section 1b, each section of the rest tower sections comprises at least one steel pipe ring beam 13 except the bottommost section of the middle section lifting tower section, and adjacent middle section steel pipe columns are in butt joint.
The upper section tower is divided into upper section hoisting tower sections 1c, each upper section hoisting tower section 1c comprises three upper section steel pipe columns, and adjacent upper section steel pipe columns are in butt joint.
Referring to fig. 18, the bottommost section of the middle section lifting tower section exposes a concrete matrix, and is fixedly connected with a horizontal circular platform steel structure 4, and the bottommost section of the upper section lifting tower section is also fixedly connected with the horizontal circular platform steel structure 4.
Referring to fig. 14, the circular platform steel structure 4 includes concentric outer ring beams 41 and inner regular polygon ring beams 42, and further includes inner and outer ring connection beams 43 and inter-column connection beams 4. The outer ring beam 41 is enclosed on the periphery of the steel pipe column, the inner ring connecting beam 43 and the outer ring connecting beam 43 which are connected in a one-to-one correspondence manner with the steel pipe column are fixedly connected on the periphery of the steel pipe column, the inner regular polygon ring beam 42 is sequentially connected between the steel pipe columns, inter-column connecting beams 44 are connected between opposite steel pipe columns, the beam heights of the inner regular polygon ring beam 42, the inner ring connecting beam 43 and the inter-column connecting beams 44 are the same, the beam height of the outer ring beam 41 is smaller than that of the inner ring connecting beam 43, and the inner regular polygon ring beam 42, the inner ring connecting beam 43 and the inter-column connecting beams 44 are connected at the same height position on the steel pipe column.
Referring to fig. 10-11, the top decoration body 3 includes a vertical connection steel pipe 31 fixedly connected with the tower tip of the upper tower and a decoration body 32 fixedly connected to the vertical connection steel pipe, where the decoration body is in a five-pointed star shape and is formed by splicing square conductors.
The construction method of the steel structure tower comprises the following construction steps:
And (3) establishing a three-dimensional model of the whole steel structure tower by using the BIM, segmenting and decomposing the components according to the transportation conditions and the actual condition of on-site hoisting, and guiding workers to manufacture by using the BIM to automatically derive a processing diagram so as to ensure the manufacturing quality. Meanwhile, the installation method of assembling small spliced units on the ground and integrally hoisting the units is adopted. In order to prevent the unit from being lifted and deformed, a temporary reinforcing beam is added at the lower end of the unit. And directly guiding out an assembly graph of the unit to guide assembly by using the BIM model. And the BIM model is utilized to directly measure the three-dimensional coordinates of the center of each steel pipe column relative to the engineering origin, and the total station is utilized to measure and check the coordinates of the center of the steel pipe column during installation, so that the installation quality is ensured.
The method comprises the following steps:
Step one, dividing a lower section tower, a middle section tower and an upper section tower into a lower section lifting tower section 1a, a middle section lifting tower section 1b and an upper section lifting tower section 1c according to the lifting capacity of the tower crane, wherein each section of middle section lifting tower section 1b is divided into two lifting units with symmetrical structures.
And secondly, lofting a jig frame axis of the middle hoisting tower section on the ground according to the deepened design, then erecting a jig frame of a hoisting unit on the ground, and splicing the jig frame, wherein the jig frame is divided into a double-running steel stair construction section and a steel crawling ladder construction section.
The precision of assembling the jig directly influences the assembly precision of the tower body, in order to ensure the precision of the jig, a jig model is built in a BIM model, a jig detailed diagram is directly guided out, and when the axis of the jig is lofted, lofting is carried out according to the guided out detailed diagram, wherein the error is not more than 1mm. Meanwhile, as the elevation at two ends of the steel pipe is different, the distance between the top elevation of each elevation support bracket and the ground is different, the value of the top elevation is directly measured from the BIM model, and the elevation error of field installation is not more than 1mm.
Except for the bottommost section of the middle section hoisting tower section, the double-running steel stair construction section and the steel climbing ladder construction section comprise the following steps:
step a, referring to fig. 2, each hoisting unit includes three middle section steel pipe columns 12, and two adjacent in-plane middle section steel pipe columns 12 are first put in place on the jig frame.
Step b, see fig. 3, then a steel pipe ring beam 13 is connected between the two middle section steel pipe columns 12 of step a.
Step c, referring to fig. 4, a third middle section steel pipe column 12 is put in place on the jig frame, and then a steel pipe ring beam 13 is connected between the third middle section steel pipe column 12 and the middle section steel pipe column 12 in step a.
And d, referring to fig. 5 and 9, the deformation-preventing temporary reinforcing steel beams 5 are fixedly connected to the positions of the ring-free beams at the lower ends of the middle section steel pipe columns, and the deformation-preventing temporary reinforcing steel beams are two or three arranged at equal elevations and are respectively connected between the middle section steel pipe columns 12 of the hoisting units. In fig. 9, three reinforcing steel beams 5 are arranged between two adjacent middle section steel pipe columns in the hoisting unit.
Step f, referring to fig. 7, the assembly of the hoisting unit of the next section is repeated, referring to fig. 8, and the assembly of the hoisting unit of the next section is repeated.
Wherein the double steel running stair construction section further comprises a step e after step d, see fig. 6, connecting a landing 211 between the three middle section steel pipe columns 12.
And finishing the assembly of the middle section tower.
And thirdly, lofting the axis of the jig frame on the ground according to the deepened design, then erecting the jig frame on the ground, and assembling the jig frame.
And fourthly, lofting the axis of the jig frame on the ground according to the deepened design, then erecting the jig frame on the ground, and assembling the jig frame.
Fifthly, constructing embedded bolts, then hoisting the lower section hoisting tower section 1a by a crane for installation and butt joint, pouring concrete to enable the lower section tower to be immersed in a concrete matrix, and exposing the top surface of the concrete matrix from the top end of the lower section tower connected with the middle section tower.
Step six, constructing a double-running steel stair construction section:
15-17, hoisting one hoisting unit of the bottommost section in the construction section by a crane, respectively butting three middle section steel pipe columns 12 of the unit with three lower section steel columns 11 of the lower section tower, hoisting the other hoisting unit of the bottommost section by the crane, respectively butting three middle section steel pipe columns 12 of the unit with the other three lower section steel columns 11 of the lower section tower, and then supplementing horizontal members among the hoisting units; finally, the stair steps 212 are alternately connected between the stair platforms 211 between the two hoisting units of the bottommost joint.
And seventhly, repeating the construction step six until the construction section of the steel ladder stand.
Step eight, constructing a steel crawling ladder construction section: lifting one of the lifting units of the bottommost section in the construction section by a crane, respectively butting three middle section steel pipe columns 12 of the unit with three lower section steel columns 11 of the lower section tower, lifting the other lifting unit of the bottommost section by the crane, respectively butting three middle section steel pipe columns 12 of the unit with the other three lower section steel columns 11 of the lower section tower, and then supplementing horizontal members among the lifting units; finally, a steel ladder 22 is installed between the two hoisting units of the bottommost joint.
And step nine, repeating the construction step eight until the construction of the middle section hoisting tower section 1b is completed.
And step ten, integrally hoisting each upper section hoisting tower section 1c by a crane, butting the bottommost section with the middle section tower, and enabling the steel crawling ladder to extend into the upper section tower.
And step eleven, integrally hoisting the tower top decorative body 3 by a crane, butting the vertical connecting steel pipe 31 with the tower tip of the upper tower, and finishing the installation.
And twelve, constructing a curtain wall structure and finishing the construction of the steel structure tower.
Referring to fig. 12-14, when constructing the bottommost section of the middle section hoisting tower section 1b, the hoisting unit comprises three middle section steel pipe columns and circular platform steel structural units, each circular platform steel structural unit comprises a section of arc-shaped outer circular ring beam 41, two inner side regular polygon ring beams 42 and three inner and outer ring connecting beams 43, the horizontal member is the remaining uninstalled member of the circular platform steel structural unit and comprises two sections of outer circular ring beams 41, two inner side regular polygon ring beams 42 and inter-column connecting beams 44, and the inner side regular polygon ring beams and the inter-column connecting beams 44 in the horizontal member are parallel.
Referring to fig. 15-17, when constructing the remaining tower sections of the middle-section hoisting tower section, the horizontal members are the remaining uninstalled members of the steel pipe ring beam.
Referring to fig. 15-17, an aerial operation platform 6 is fixedly connected to the outer side of each middle hoisting tower section 1b, the aerial operation platform is fixedly mounted on the hoisting unit in the form of a platform unit 61 before the sixth step, and the horizontal member is the remaining uninstalled member of the aerial operation platform 6.
The curtain wall structure comprises a tower body curtain wall and a tower top decorative body curtain wall. The utility model provides a tower body curtain wall, including steel construction's prismatic, prismatic table or pyramid shape each side divide a tower body curtain wall unit, every tower body curtain wall unit includes tower body veneer, tower body fossil fragments and connecting piece, tower body veneer and tower body fossil fragments assemble into whole on ground to with connecting piece and welding of tower body fossil fragments, directly hoist and mount the outside of taking one's place to steel construction through the tower crane, pass through bolted connection with steel construction. The tower top decorative body curtain wall comprises a decorative body facing and a decorative body keel, and the decorative body keel is welded with the steel structure.
Claims (9)
1. The utility model provides a steel structure tower, is including the steel construction and the curtain wall structure of fixed connection in the steel construction outside of being located on the concrete matrix, its characterized in that: the steel structure comprises a tower body (1), a tower inner stair (2) and a tower top decoration body (3),
The whole tower body is tower-shaped and comprises a lower section tower, a middle section tower and an upper section tower,
The lower section tower is in a regular hexagonal prism shape and comprises six lower section steel columns (11) arranged along the side edges, the lower section steel columns are stiff steel skeleton columns embedded into a concrete matrix and are connected with the concrete matrix through embedded anchor bolts,
The middle section tower is a regular hexagonal frustum and comprises six middle section steel pipe columns (12) and a group of steel pipe ring beams (13) which are arranged along the side edges of the regular hexagonal frustum,
The bottom ends of the middle section steel pipe columns (12) are in butt joint with the top ends of the lower section steel columns (11), the steel pipe ring beams (13) are vertically distributed at intervals along the middle section tower,
Each steel pipe ring beam (13) forms a regular hexagon, the size of the regular hexagons formed by the group of steel pipe ring beams along the middle section tower from bottom to top is sequentially reduced,
The upper section tower is in a regular triangular pyramid shape and comprises three upper section steel columns (14) arranged along the side edges of the regular triangular pyramid, the bottom ends of the upper section steel columns (14) are in interval butt joint with the top ends of the middle section steel pipe columns (12),
The inner stairs (2) of the tower are arranged in the middle tower from bottom to top, the inner stairs (2) of the tower are divided into a double steel running stairs (21) of the lower section and a steel crawling ladder (22) of the upper section based on the containing space in the middle tower,
The double-running steel stair comprises a group of horizontal stair platforms (211) and a group of inclined stair steps (212), wherein the stair platforms (211) are alternately connected to the middle section steel pipe column (12) in the tower, and the stair steps (212) are connected between two upper and lower adjacent stair platforms (211);
The middle section steel pipe column (12) is connected with the steel pipe ring beam (13) in a penetrating way;
the curtain wall structure comprises a tower body curtain wall and a tower top decorative body curtain wall,
The tower body curtain wall divides a tower body curtain wall unit according to each side surface of the prismatic, prismatic table or pyramid shape of the steel structure, each tower body curtain wall unit comprises a tower body facing, a tower body keel and a connecting piece,
The tower top decorative body curtain wall comprises a decorative body facing and a decorative body keel, and the decorative body keel is welded with the steel structure.
2. The steel structure tower of claim 1, wherein: the lower section tower is divided into lower section hoisting tower sections (1 a), each lower section hoisting tower section (1 a) comprises six lower section steel columns, the steel columns between adjacent lower section hoisting tower sections are in butt joint,
The middle section tower is divided into middle section lifting tower sections (1 b), each middle section lifting tower section (1 b) comprises six middle section steel pipe columns, each section of the rest tower sections comprises at least one steel pipe ring beam (13) except the bottommost section of the middle section lifting tower section, the adjacent middle section steel pipe columns are in butt joint,
The upper section tower is divided into upper section hoisting tower sections (1 c), each upper section hoisting tower section (1 c) comprises three upper section steel pipe columns, and adjacent upper section steel pipe columns are in butt joint.
3. The steel structure tower of claim 2, wherein: the bottom section of the middle section hoisting tower section exposes out of the concrete matrix, the section is fixedly connected with a horizontal round platform steel structure (4), and the bottom section of the upper section hoisting tower section is also fixedly connected with the horizontal round platform steel structure (4).
4. A steel structure tower according to claim 3, characterized in that: the circular platform steel structure (4) comprises an outer circular ring beam (41) and an inner regular polygon ring beam (42) which are concentric, and also comprises an inner ring connecting beam (43) and an outer ring connecting beam (44) and an inter-column connecting beam,
The steel pipe column is characterized in that the outer side annular beam (41) is enclosed on the periphery of the steel pipe column, the inner side annular beam (42) is fixedly connected on the periphery of the steel pipe column through an inner annular connecting beam (43) which is radial and is connected with the steel pipe column in a one-to-one correspondence mode, the inner side regular polygonal annular beam (42) is sequentially connected between the steel pipe columns, inter-column connecting beams (44) are connected between opposite steel pipe columns, the beam heights of the inner side regular polygonal annular beam (42), the inner annular connecting beam (43) and the inter-column connecting beams (44) are the same, the beam height of the outer side annular beam (41) is smaller than that of the inner annular connecting beam (43), and the inner side regular polygonal annular beam (42), the inner annular connecting beam (43) and the inter-column connecting beams (44) are connected at the same height position on the steel pipe column.
5. The steel structure tower according to any one of claims 1-4, wherein: the tower top decoration body (3) comprises a vertical connection steel pipe (31) fixedly connected with the tower tip of the upper tower and a decoration main body (32) fixedly connected to the vertical connection steel pipe, wherein the decoration main body is in a five-pointed star shape and is formed by square tubes in a splicing mode.
6. A method of constructing a steel structure tower according to any one of claims 2-4, characterized by the steps of:
Dividing a lower section tower, a middle section tower and an upper section tower into a lower section lifting tower section (1 a), a middle section lifting tower section (1 b) and an upper section lifting tower section (1 c) according to the lifting capacity of a tower crane, wherein each section of middle section lifting tower section (1 b) is divided into two lifting units with symmetrical structures;
secondly, lofting a jig frame axis of a middle hoisting tower section on the ground according to deepened design, then erecting a jig frame of a hoisting unit on the ground, and splicing the jig frame, wherein the jig frame is divided into a double steel running stair construction section and a steel climbing stair construction section;
except for the bottommost section of the middle section hoisting tower section, the double-running steel stair construction section and the steel climbing ladder construction section comprise the following steps:
Step a, each hoisting unit comprises three middle section steel pipe columns (12), and two adjacent middle section steel pipe columns (12) in a plane are firstly positioned on a jig frame;
Step b, connecting a steel pipe ring beam (13) between the two middle section steel pipe columns (12) in the step a;
C, positioning a third middle section steel pipe column (12) on the jig frame, and then connecting a steel pipe ring beam (13) between the third middle section steel pipe column (12) and the middle section steel pipe column (12) in the step a;
step d, fixedly connecting two or three deformation-preventing temporary reinforcing steel beams (5) which are arranged at equal elevations at the position of a ring-free beam at the lower end part of the middle section steel pipe column, and respectively connecting the two or three deformation-preventing temporary reinforcing steel beams between middle section steel pipe columns (12) of the hoisting unit;
f, repeatedly continuing assembling the hoisting unit of the next section;
The double-steel-running stair construction section further comprises a step e after the step d, wherein a stair platform (211) is connected among the three middle section steel pipe columns (12);
Finishing the assembly of the middle section tower;
Thirdly, lofting the axis of the jig frame on the ground according to the deepened design, then erecting the jig frame on the ground, and assembling the jig frame;
Fourthly, lofting the axis of the jig frame on the ground according to the deepened design, then erecting the jig frame on the ground, and assembling the jig frame;
Fifthly, constructing embedded bolts, then hoisting a lower section hoisting tower section (1 a) by a crane for installation and butt joint, pouring concrete to enable the lower section tower to be immersed in a concrete matrix, and exposing the top surface of the concrete matrix at the top end of the lower section tower connected with the middle section tower;
Step six, constructing a double-running steel stair construction section:
Hoisting one hoisting unit of the bottommost section in the construction section by a crane, respectively butting three middle section steel pipe columns (12) of the unit with three lower section steel columns (11) of the lower section tower, hoisting another hoisting unit of the bottommost section by the crane, respectively butting three middle section steel pipe columns (12) of the unit with the other three lower section steel columns (11) of the lower section tower, and then supplementing horizontal members among the hoisting units; finally, alternately connecting stair steps (212) between the stair platforms (211) between the two hoisting units of the bottommost section;
Step seven, repeating the construction step six until the construction section of the steel ladder stand;
Step eight, constructing a steel crawling ladder construction section: hoisting one hoisting unit of the bottommost section in the construction section by a crane, respectively butting three middle section steel pipe columns (12) of the unit with three lower section steel columns (11) of the lower section tower, hoisting another hoisting unit of the bottommost section by the crane, respectively butting three middle section steel pipe columns (12) of the unit with the other three lower section steel columns (11) of the lower section tower, and then supplementing horizontal members among the hoisting units; finally, a steel cat ladder (22) is installed between the two hoisting units of the bottommost joint;
step nine, repeating the construction step eight until the construction of the middle section hoisting tower section (1 b) is completed;
step ten, integrally hoisting each upper hoisting tower section (1 c) by a crane, butting the bottommost section with the middle tower, and extending the steel cat ladder (22) into the upper tower;
step elevationally, integrally hoisting the tower top decorative body (3) through a crane;
And twelve, constructing a curtain wall structure and finishing the construction of the steel structure tower.
7. The construction method according to claim 6, wherein: when the bottommost joint of the middle section hoisting tower joint (1 b) is constructed, the hoisting unit comprises three middle section steel pipe columns and round platform steel structure units, each round platform steel structure unit comprises a section of arc-shaped outer circular ring beam (41), two inner side regular polygon ring beams (42) and three inner and outer ring connecting beams (43), the horizontal component is the rest uninstalled component of the round platform steel structure unit and comprises two sections of outer side circular ring beams (41), two inner side regular polygon ring beams (42) and inter-column connecting beams (44), and the inner side regular polygon ring beams in the horizontal component are parallel to the inter-column connecting beams (44);
When the middle section is constructed to hoist the rest of the tower sections, the horizontal member is the rest of the uninstalled member of the steel pipe ring beam.
8. The construction method according to claim 6, wherein: the outer side of each middle section hoisting tower section (1 b) is fixedly connected with a high-altitude operation platform (6), the high-altitude operation platform is fixedly installed on the hoisting unit in the form of a platform unit (61) before the step six, and the horizontal component is the remaining uninstalled component of the high-altitude operation platform (6).
9. The construction method according to claim 6, wherein: the tower body facing and the tower body keels are assembled into a whole on the ground, the connecting piece and the tower body keels are welded, and are directly hoisted to the outer side of the steel structure through the tower crane and are connected with the steel structure through bolts.
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| CN108612385A (en) * | 2018-06-12 | 2018-10-02 | 青岛科华钢结构有限公司 | A kind of quick assembling design method of steel construction steel tower |
| CN110670939A (en) * | 2019-09-12 | 2020-01-10 | 中国三冶集团有限公司 | Hoisting method of steel chimney |
| CN111764730A (en) * | 2020-06-30 | 2020-10-13 | 诚邦生态环境股份有限公司 | Layered combined installation construction method for spiral truss type tower |
| CN115162520B (en) * | 2022-07-28 | 2024-05-07 | 中建二局安装工程有限公司 | Construction method of lotus tower steel structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007120080A (en) * | 2005-10-26 | 2007-05-17 | Takenaka Komuten Co Ltd | Tower structure |
| CN203403699U (en) * | 2013-08-23 | 2014-01-22 | 鞍山钢制压力容器有限公司 | High-rise building steel structure wind and light electricity generating tower |
| CN103982075A (en) * | 2014-06-05 | 2014-08-13 | 衡水通广塔业有限公司 | Novel beautified radar tower of steel structure |
| CN105484285A (en) * | 2015-11-27 | 2016-04-13 | 中国一冶集团有限公司 | Spliced steel pipe concrete column type high bearing platform tower crane foundation structure and construction method |
| KR20160142541A (en) * | 2015-06-03 | 2016-12-13 | 한국건설기술연구원 | Tower using Band Ring Segment, and Constructing Method thereof |
| CN106522104A (en) * | 2016-12-21 | 2017-03-22 | 中铁四局集团有限公司 | Construction method of curved-surface arc-shaped concrete tower |
| CN207526215U (en) * | 2017-11-16 | 2018-06-22 | 中国建筑一局(集团)有限公司 | Steel structure tower |
-
2017
- 2017-11-16 CN CN201711136111.5A patent/CN107939141B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007120080A (en) * | 2005-10-26 | 2007-05-17 | Takenaka Komuten Co Ltd | Tower structure |
| CN203403699U (en) * | 2013-08-23 | 2014-01-22 | 鞍山钢制压力容器有限公司 | High-rise building steel structure wind and light electricity generating tower |
| CN103982075A (en) * | 2014-06-05 | 2014-08-13 | 衡水通广塔业有限公司 | Novel beautified radar tower of steel structure |
| KR20160142541A (en) * | 2015-06-03 | 2016-12-13 | 한국건설기술연구원 | Tower using Band Ring Segment, and Constructing Method thereof |
| CN105484285A (en) * | 2015-11-27 | 2016-04-13 | 中国一冶集团有限公司 | Spliced steel pipe concrete column type high bearing platform tower crane foundation structure and construction method |
| CN106522104A (en) * | 2016-12-21 | 2017-03-22 | 中铁四局集团有限公司 | Construction method of curved-surface arc-shaped concrete tower |
| CN207526215U (en) * | 2017-11-16 | 2018-06-22 | 中国建筑一局(集团)有限公司 | Steel structure tower |
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