CN107254938A - A kind of anistree box-shaped king-post suspension column and preparation method thereof - Google Patents
A kind of anistree box-shaped king-post suspension column and preparation method thereof Download PDFInfo
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- CN107254938A CN107254938A CN201710642678.3A CN201710642678A CN107254938A CN 107254938 A CN107254938 A CN 107254938A CN 201710642678 A CN201710642678 A CN 201710642678A CN 107254938 A CN107254938 A CN 107254938A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a kind of anistree box-shaped king-post suspension column, including frame unit and column base plate unit, the frame unit includes the framework surrounded by one group of wallboard, the median ventral plate being axially disposed within framework, and the diaphragm plate being radially arranged in framework；The column base plate unit is arranged on one end of frame unit.Its reasonable in design, firm in structure, bearing capacity is good, has ensured the quality of whole engineering.The method of the invention, it is ensured that the quality of each component and unit, and effectively the lump of control welding gravitation, the big component of prevention build up error, and then ensure the crudy of overall suspension column.
Description
Technical field
The present invention relates to the technical field of construction material, more particularly to a kind of anistree box-shaped king-post suspension column.
Background technology
Structural steelwork be with steel make based on structure, the girder steel being mainly made up of shaped steel and steel plate etc., steel column, steel
The components such as truss are constituted, and are main building structure classes generally using weld seam, bolt or rivet interlacement between each component or part
One of type.Because its deadweight is lighter, and easy construction, it is widely used in the fields such as large-sized workshop, bridge, venue, Super High.
In the heavy construction that stabilized soil pavement requires high, to the quality requirement more and more higher of the suspension column structure of welding,
And the overall structure and suspension column of heavy construction are complicated, welding residual stress is big, deforms also big, particularly slab processing,
Engineering is cut deal using steel, wlding deposited metal amount is filled during welding greatly, weld interval is long, heat input total amount is high, because
This structure post-weld stress and deformation are big；Weld seam constraint (restraint) degree height, welding residual stress are big during component welding；In addition engineering structure is answered
Miscellaneous, welding stress direction is inconsistent, longitudinal and transverse, upper and lower crossings on different level, interacts and easily causes the comprehensive deformation of component.If
Suspension column unreasonable structure, welding stress directly affects the quality and intensity of component.
In addition, for making, constraint (restraint) degree is big when being welded due to thickness of slab, and node is complicated, and welding residual stress is big, weldering
Stitch one side welding deposited metal amount big, the welding activity duration is long, complex process.Therefore it is careless slightly during welding welding
It is also easy to produce fire check and cold crack；Other lamellar tearing tendentiousness will increase.
The content of the invention
The purpose of invention：The present invention discloses a kind of anistree box-shaped king-post suspension column, its reasonable in design, firm in structure, bearing capacity
It is good, ensure the quality of whole engineering.
Technical scheme：In order to realize the above object the invention discloses a kind of anistree box-shaped king-post suspension column, including framework list
Member and column base plate unit, the frame unit include the framework surrounded by one group of wallboard, the median ventral plate being axially disposed within framework,
And it is radially arranged in the diaphragm plate in framework；The column base plate unit is arranged on one end of frame unit.
Further, a kind of above-mentioned anistree box-shaped king-post suspension column, the framework includes bottom wallboard, top wallboard, and
The middle part wallboard of bottom wallboard and top wallboard is connected, the middle part wallboard is arranged on median ventral plate two ends, and the middle wall
Plate and median ventral plate formation H-shaped rod member.
Further, a kind of above-mentioned anistree box-shaped king-post suspension column, the diaphragm plate includes lower floor's diaphragm plate and upper strata tabula
Plate.
Further, a kind of above-mentioned anistree box-shaped king-post suspension column, the column base plate unit includes one group of bottom be arrangeding in parallel
Plate, and one group of intermediate support plate being arranged between adjacent bottom plates.
Further, a kind of above-mentioned anistree box-shaped king-post suspension column, the frame unit also includes one group of stiffener, described one
Group stiffener is axially disposed within framework and median ventral plate.
Further, the preparation method of above-mentioned a kind of anistree box-shaped king-post suspension column, it is characterised in that：Comprise the following steps：
a）Thick plates cutting is processed, and obtains welding required plate；b）Bottom wallboard, top wallboard, H-shaped rod member are small respectively to close up assembled weldering
Connect；c）Ground location line is marked, assembling jig frame is made；d）Bottom wallboard is hung on into assembling jig frame and positioned, positioning is correct
Fixed afterwards with assembling jig frame spot welding；e）Lower floor's diaphragm plate is hung on into assembling jig frame and positioned, is positioned after positioning is correct
Weldering；f）H-shaped rod member is hung on into assembling jig frame and positioned；g）Upper strata diaphragm plate is hung on into assembling jig frame and positioned, it is fixed
Tack welding is carried out after position is correct；H) top wallboard is hung on into assembling jig frame and positioned, spot welding is fixed after positioning is correct；i）
Integral solder；j）Mounting post bottom board unit.
Further, a kind of preparation method of above-mentioned anistree box-shaped king-post suspension column, the step b middle and lower parts wallboard, top
Wallboard it is small close up assembled welding before, carry out reversible deformation processing.
Further, the small conjunction of H-shaped rod member in the preparation method of above-mentioned a kind of anistree box-shaped king-post suspension column, the step b
Hold together assembled welding to specifically include：First median ventral plate is placed on horizontal moulding bed, then middle part wallboard is installed, is positioned after local preheating
Weldering；Assembled one group of stiffener；Preheated before H-shaped rod member integral solder, two ends are symmetrically heated simultaneously above and below weld seam；Welding
Shi Caiyong first welds the welding sequence that small groove face is welded after big groove, and heating-up temperature and interlayer welding temperature, observation is monitored and controlled
Welding deformation direction, welding deformation is controlled by standing up welding and adjustment welding sequence.
Further, the localization method in the preparation method of above-mentioned a kind of anistree box-shaped king-post suspension column, the step d~h
It is specific as follows：d1）Mark the center line of bottom wallboard；d2）By the center line of bottom wallboard, outer edge alignment ground position during positioning
Put line；d3）Control the axial location of bottom wallboard, the goodness of fit of control its one end and ground location line, as just making end progress
Processing and fabricating, the other end is placed with surplus；e1）Mark the center line of lower floor's diaphragm plate；e2）By lower floor's diaphragm plate alignment bottom wallboard
Position baseline, adjustment with control itself perpendicularity and linearity；f1）Mark the center line of H-shaped rod member；f2）During positioning
By the center line of H-shaped rod member, the outer edge alignment ground position line；f3）Control H-shaped rod member axial location, control its one end with
The goodness of fit of ground location line, as just making is processed as end, the other end is placed with surplus；f4）Middle part wallboard and lower part wall
The position line alignment of plate side；g1）Mark the center line of upper strata diaphragm plate；g2）By the positioning datum of upper strata diaphragm plate alignment H-shaped rod member
Line, adjustment and the perpendicularity and linearity that control itself；h1）Mark the center line of top wallboard；h2）By top wallboard during positioning
Center line, outer edge alignment the ground position line；h3）Control the axial location of top wallboard, control its one end and ground location
The goodness of fit of line, as just making is processed as end, the other end is placed with surplus.
Further, a kind of preparation method of above-mentioned anistree box-shaped king-post suspension column, the step j is specifically included：j1）Will weldering
The frame unit for connecing completion is moved to after end face machining platform, center line and levelness that frame unit is adjusted on platform, is entered
The end mill processing of row frame unit both ends of the surface；j2）One end of frame unit mounting post bottom board unit carries out welding groove cutting；
j3）The perpendicularity and assembly clearance of adjustment column bottom board unit and frame unit；j4）Column base plate unit is welded with frame unit.
Above-mentioned technical proposal can be seen that the present invention and have the advantages that：
（1）Smart structural design, with very strong weight capacity and stability；
（2）By adjusting process flow, first carry out the small of each unit and close up welding equipment, each unit assembles, welds, correct it is qualified after
Close up welding equipment in being carried out on overall package moulding bed, and in when closing up welding equipment substep control it to position, therefore ensure that each component
And the quality of unit, and effectively the lump of control welding gravitation, the big component of prevention build up error, and then ensure overall suspension column
Crudy.
（3）The setting of welding anti-distortion, can prevent the asymmetric generation for causing its Welding Angular Deformation of wallboard welding, and then
It ensure that appearance and size, linearity, the flatness of product.
（4）The welding manner of H-shaped rod member can obtain uniform heating-up temperature, its adjustment mode in welding process,
Welding deformation can be reduced, the machining accuracy of product is improved.
Brief description of the drawings
Fig. 1 is a kind of structure chart of anistree box-shaped king-post suspension column of the present invention；
Fig. 2 is a kind of structure chart of the assembling jig frame of anistree box-shaped king-post suspension column of the present invention；
The schematic diagram that Fig. 3 is step d in a kind of preparation method of anistree box-shaped king-post suspension column of the present invention；
The schematic diagram that Fig. 4 is step e in a kind of preparation method of anistree box-shaped king-post suspension column of the present invention；
The schematic diagram that Fig. 5 is step f in a kind of preparation method of anistree box-shaped king-post suspension column of the present invention；
The schematic diagram that Fig. 6 is step g in a kind of preparation method of anistree box-shaped king-post suspension column of the present invention；
Fig. 7 is the signal after the completion of frame unit welding in a kind of preparation method of anistree box-shaped king-post suspension column of the present invention
Figure；
In figure：Wallboard in the middle part of 1- frameworks, 11- bottoms wallboard, 12- tops wallboard, 13-, 2- median ventral plates, 3- diaphragm plates, 31- lower floors
Diaphragm plate, 32- upper stratas diaphragm plate, 4- column base plate units, 41- bottom plates, 42- intermediate support plates, 5- stiffeners, 6- assembling jig frames.
Embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the invention is described in detail.
Embodiment
A kind of anistree box-shaped king-post suspension column of the present invention, as shown in figure 1, including frame unit and column base plate unit 4, it is described
Frame unit includes the framework 1 surrounded by one group of wallboard, the median ventral plate 2 being axially disposed within framework, and is radially arranged in frame
Internal diaphragm plate 3；The column base plate unit 4 is arranged on one end of frame unit.The framework 1 include bottom wallboard 11, on
Portion's wallboard 12, and the middle part wallboard 13 of bottom wallboard 11 and top wallboard 12 is connected, the middle part wallboard 13 is arranged on midfield
The two ends of plate 2, and the middle part wallboard 13 and the formation H-shaped rod member of median ventral plate 2.The diaphragm plate 3 includes the He of lower floor's diaphragm plate 31
Upper strata diaphragm plate 32.The column base plate unit 4 includes one group of bottom plate 41 be arrangeding in parallel, and is arranged between adjacent bottom plates 41
One group of intermediate support plate 42.The frame unit also includes one group of stiffener 5, and one group of stiffener 5 is axially disposed within frame
On body 1 and median ventral plate 2.
A kind of preparation method of anistree box-shaped king-post suspension column described in the present embodiment, as shown in Figures 1 to 7, including it is following
Step：
a）Thick plates cutting is processed, and obtains welding required plate：
a1）From the liquid oxygen gas of the propylene gas+99.99% of high-purity more than 98.0%, cutting more than 4#~9# is used
Nozzle, the focal length temperature of cutting flame is up to 2900 DEG C；
a2）Slab edge is polished with type electric grinding-wheel dressing machine, then by the rolling of plate-levelling machine, eliminates cutting to steel plate
The stress influence of intensity；
b）Bottom wallboard 11, top wallboard 12, H-shaped rod member are small respectively to close up assembled welding：
b1）Bottom wallboard 11, top wallboard 12, H-shaped rod member it is small close up assembled welding before, carry out reversible deformation processing：Respective plate
Material（One group of wallboard and median ventral plate 2）Reversible deformation processing be pressed using large-sized hydraulic press and special molding press mold；
b2）One group of wallboard and the assembled welding of one group of stiffener 5 form bottom wallboard 11, quality testing；
b3）One group of wallboard and the assembled welding of one group of stiffener 5 form top wallboard 12, quality testing；
b4）The small of H-shaped rod member closes up assembled welding：First median ventral plate 2 is placed on horizontal moulding bed, then middle part wallboard 13, office are installed
Tack welding is carried out after portion's preheating；Assembled one group of stiffener 5；Preheated before H-shaped rod member integral solder, two ends are simultaneously above and below weld seam
Symmetrically heated；The welding sequence that small groove face is welded after big groove using first welding during welding, be monitored and controlled heating-up temperature and
Interlayer welding temperature, observation welding deformation direction, welding deformation is controlled by standing up welding and adjustment welding sequence；
b5）Lower floor's diaphragm plate 31, upper strata diaphragm plate 32 are small respectively to close up assembly；
c）Ground location line is marked, assembling jig frame 6 is made；
d）Bottom wallboard 11 is hung on into assembling jig frame 6 and positioned, is fixed after positioning is correct with the spot welding of assembling jig frame 6：
d1）Mark the center line of bottom wallboard 11；
d2）By the center line of bottom wallboard 11, the outer edge alignment ground position line during positioning；
d3）Control the axial location of bottom wallboard 11, the goodness of fit of control its one end and ground location line, as just making end progress
Processing and fabricating, the other end is placed with surplus；
e）Lower floor's diaphragm plate 31 is hung on into assembling jig frame 6 and positioned, tack welding is carried out after positioning is correct：
e1）Mark the center line of lower floor's diaphragm plate 31；
e2）Lower floor's diaphragm plate 31 is alignd the position baseline of bottom wallboard 11, adjustment and the perpendicularity and straight line that control itself
Degree；
f）H-shaped rod member is hung on into assembling jig frame 6 and positioned：
f1）Mark the center line of H-shaped rod member；
f2）By the center line of H-shaped rod member, the outer edge alignment ground position line during positioning；
f3）The axial location of H-shaped rod member, control its one end and the goodness of fit of ground location line are controlled, is added as end is just made
Work makes, and the other end is placed with surplus；
f4）Middle part wallboard 13 aligns with the side position line of bottom wallboard 11；
g）Upper strata diaphragm plate 32 is hung on into assembling jig frame 6 and positioned, tack welding is carried out after positioning is correct：
g1）Mark the center line of upper strata diaphragm plate 32；
g2）Upper strata diaphragm plate 32 is alignd the position baseline of H-shaped rod member, adjustment and the perpendicularity and linearity that control itself；
h）Top wallboard 12 is hung on into assembling jig frame 6 and positioned, spot welding is fixed after positioning is correct：
h1）Mark the center line of top wallboard 12；
h2）By the center line of top wallboard 12, the outer edge alignment ground position line during positioning；
h3）Control the axial location of top wallboard 12, the goodness of fit of control its one end and ground location line, as just making end progress
Processing and fabricating, the other end is placed with surplus；
i）Integral solder：
i1）Detection, is welded after confirmation is errorless；
i2）Using being symmetrically welded when H-shaped rod member is welded with bottom wallboard 11, top wallboard 12, welding is less using heat input
CO2 gas shieldeds are welded；
i3）The anistree main weld of framework 1 is welded using Lincoln weld；
i4）Postwelding carries out the cleaning and inspection of weld seam；
j）Mounting post bottom board unit 4：
j1）By weld complete frame unit move to end face machining platform, on platform adjust frame unit center line and
After levelness, the end mill processing of frame unit both ends of the surface is carried out；
j2）One end of frame unit mounting post bottom board unit 4 carries out welding groove cutting；
j3）The perpendicularity and assembly clearance of adjustment column bottom board unit 4 and frame unit；
j4）Column base plate unit 4 is welded with frame unit.
Described above is only the preferred embodiment of the present invention, it should be noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvement can also be made, these improvement also should be regarded as the guarantor of the present invention
Protect scope.
Claims (10)
1. a kind of anistree box-shaped king-post suspension column, it is characterised in that：Including frame unit and column base plate unit（4）, the framework list
Member includes the framework surrounded by one group of wallboard（1）, the median ventral plate that is axially disposed within framework（2）, and it is radially arranged in framework
Interior diaphragm plate（3）；The column base plate unit（4）It is arranged on one end of frame unit.
2. a kind of anistree box-shaped king-post suspension column according to claim 1, it is characterised in that：The framework（1）Including bottom
Wallboard（11）, top wallboard（12）, and connection bottom wallboard（11）With top wallboard（12）Middle part wallboard（13）, it is described in
Portion's wallboard（13）It is arranged on median ventral plate（2）Two ends, and the middle part wallboard（13）With median ventral plate（2）Form H-shaped rod member.
3. a kind of anistree box-shaped king-post suspension column according to claim 1, it is characterised in that：The diaphragm plate（3）Including under
Layer diaphragm plate（31）With upper strata diaphragm plate（32）.
4. a kind of anistree box-shaped king-post suspension column according to claim 1, it is characterised in that：The column base plate unit（4）Bag
Include one group of bottom plate be arrangeding in parallel（41）, and it is arranged on adjacent bottom plates（41）Between one group of intermediate support plate（42）.
5. a kind of anistree box-shaped king-post suspension column according to claim 1, it is characterised in that：The frame unit also includes one
Group stiffener（5）, one group of stiffener（5）It is axially disposed within framework（1）And median ventral plate（2）On.
6. a kind of preparation method of anistree box-shaped king-post suspension column according to claim 1 to 5 any one, its feature exists
In：Comprise the following steps：
a）Thick plates cutting is processed, and obtains welding required plate；
b）Bottom wallboard（11）, top wallboard（12）, H-shaped rod member is small respectively closes up assembled welding；
c）Ground location line is marked, assembling jig frame is made（6）；
d）By bottom wallboard（11）Hang on assembling jig frame（6）And positioned, the correct rear and assembling jig frame of positioning（6）Point solid welding
It is fixed；
e）By lower floor's diaphragm plate（31）Hang on assembling jig frame（6）And positioned, carry out tack welding after positioning is correct；
f）H-shaped rod member is hung on into assembling jig frame（6）And positioned；
g）By upper strata diaphragm plate（32）Hang on assembling jig frame（6）And positioned, carry out tack welding after positioning is correct；
H) by top wallboard（12）Hang on assembling jig frame（6）And positioned, spot welding is fixed after positioning is correct；
i）Integral solder；
j）Mounting post bottom board unit（4）.
7. a kind of preparation method of anistree box-shaped king-post suspension column according to claim 6, it is characterised in that：The step b
Middle and lower part wallboard（11）, top wallboard（12）It is small close up assembled welding before, carry out reversible deformation processing.
8. a kind of preparation method of anistree box-shaped king-post suspension column according to claim 6, it is characterised in that：The step b
The small of middle H-shaped rod member is closed up assembled welding and specifically included：First by median ventral plate（2）It is placed on horizontal moulding bed, then middle part wallboard is installed
（13）, tack welding is carried out after local preheating；Assembled one group of stiffener（5）；Preheated before H-shaped rod member integral solder, on weld seam
Symmetrically heated simultaneously at lower two ends；The welding sequence that small groove face is welded after big groove using first welding during welding, is monitored and controlled
Heating-up temperature and interlayer welding temperature, observation welding deformation direction, welding is controlled by standing up welding and adjustment welding sequence
Deformation.
9. a kind of preparation method of anistree box-shaped king-post suspension column according to claim 6, it is characterised in that：The step d
Localization method in~h is specific as follows：
d1）Mark bottom wallboard（11）Center line；
d2）By bottom wallboard during positioning（11）Center line, outer edge alignment the ground position line；
d3）Control bottom wallboard（11）Axial location, the goodness of fit of control its one end and ground location line, as just entering as end
Row processing and fabricating, the other end is placed with surplus；
e1）Mark lower floor's diaphragm plate（31）Center line；
e2）By lower floor's diaphragm plate（31）Align bottom wallboard（11）Position baseline, adjustment with control itself perpendicularity and
Linearity；
f1）Mark the center line of H-shaped rod member；
f2）By the center line of H-shaped rod member, the outer edge alignment ground position line during positioning；
f3）The axial location of H-shaped rod member, control its one end and the goodness of fit of ground location line are controlled, is added as end is just made
Work makes, and the other end is placed with surplus；
f4）Middle part wallboard（13）With bottom wallboard（11）Side position line alignment；
g1）Mark upper strata diaphragm plate（32）Center line；
g2）By upper strata diaphragm plate（32）The position baseline of alignment H-shaped rod member, adjustment and the perpendicularity and straight line that control itself
Degree；
h1）Mark top wallboard（12）Center line；
h2）By top wallboard during positioning（12）Center line, outer edge alignment the ground position line；
h3）Control top wallboard（12）Axial location, the goodness of fit of control its one end and ground location line, as just entering as end
Row processing and fabricating, the other end is placed with surplus.
10. a kind of preparation method of anistree box-shaped king-post suspension column according to claim 6, it is characterised in that：The step j
Specifically include：
j1）By weld complete frame unit move to end face machining platform, on platform adjust frame unit center line and
After levelness, the end mill processing of frame unit both ends of the surface is carried out；
j2）Frame unit mounting post bottom board unit（4）One end carry out welding groove cutting；
j3）Adjustment column bottom board unit（4）With the perpendicularity and assembly clearance of frame unit；
j4）Column base plate unit（4）Welded with frame unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710642678.3A CN107254938A (en) | 2017-07-31 | 2017-07-31 | A kind of anistree box-shaped king-post suspension column and preparation method thereof |
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| CN201710642678.3A CN107254938A (en) | 2017-07-31 | 2017-07-31 | A kind of anistree box-shaped king-post suspension column and preparation method thereof |
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| CN108772651A (en) * | 2018-06-28 | 2018-11-09 | 中船澄西船舶修造有限公司 | A kind of auxiliary mould for making large-scale octagonal pedestal |
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| CN114197308A (en) * | 2021-12-13 | 2022-03-18 | 江苏沪宁钢机股份有限公司 | Complex octagonal anchor box bridge tower and manufacturing process thereof |
| CN115519216A (en) * | 2022-09-21 | 2022-12-27 | 中铁宝桥（扬州）有限公司 | Method for controlling welding deformation of open type large-scale steel tower block with asymmetric cross section |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772651A (en) * | 2018-06-28 | 2018-11-09 | 中船澄西船舶修造有限公司 | A kind of auxiliary mould for making large-scale octagonal pedestal |
| CN108772651B (en) * | 2018-06-28 | 2023-12-26 | 中船澄西船舶修造有限公司 | Auxiliary tool for manufacturing large octagonal base |
| CN110424629A (en) * | 2019-06-26 | 2019-11-08 | 浙江精工钢结构集团有限公司 | A kind of special-shaped complicated suspension column structure and production method |
| CN114197308A (en) * | 2021-12-13 | 2022-03-18 | 江苏沪宁钢机股份有限公司 | Complex octagonal anchor box bridge tower and manufacturing process thereof |
| CN115519216A (en) * | 2022-09-21 | 2022-12-27 | 中铁宝桥（扬州）有限公司 | Method for controlling welding deformation of open type large-scale steel tower block with asymmetric cross section |
| CN115519216B (en) * | 2022-09-21 | 2023-09-05 | 中铁宝桥（扬州）有限公司 | Welding deformation control method for large-sized steel tower block with open type asymmetric section |
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