CN114855619B - Manufacturing method of special-shaped independent tower and corresponding bridge deck anchoring structure - Google Patents
Manufacturing method of special-shaped independent tower and corresponding bridge deck anchoring structure Download PDFInfo
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- CN114855619B CN114855619B CN202210457896.0A CN202210457896A CN114855619B CN 114855619 B CN114855619 B CN 114855619B CN 202210457896 A CN202210457896 A CN 202210457896A CN 114855619 B CN114855619 B CN 114855619B
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- 238000004873 anchoring Methods 0.000 title claims abstract description 192
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 83
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 153
- 239000010959 steel Substances 0.000 claims abstract description 153
- 238000012544 monitoring process Methods 0.000 claims abstract description 28
- 238000013461 design Methods 0.000 claims abstract description 17
- 238000012790 confirmation Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 41
- 238000005192 partition Methods 0.000 claims description 19
- 238000012986 modification Methods 0.000 claims description 11
- 230000004048 modification Effects 0.000 claims description 11
- 238000005520 cutting process Methods 0.000 claims description 9
- 238000007596 consolidation process Methods 0.000 claims description 6
- 238000012937 correction Methods 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000007142 ring opening reaction Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
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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
- 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
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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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
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
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- 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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Abstract
A manufacturing method of a special-shaped independent tower and a corresponding bridge deck anchoring structure relates to the field of bridge construction. The manufacturing method of the special-shaped independent tower and the corresponding bridge deck anchoring structure comprises the following steps: and (3) establishing a three-dimensional model of the cooperation of the steel main tower and the bridge deck anchoring structure, manufacturing the segments of the steel main tower and manufacturing the bridge deck anchoring structure, correcting the bridge deck anchoring structure of the bridge by combining the bridge monitoring line shape, and assembling the segments according to the monitoring line shape. According to the manufacturing method of the special-shaped independent tower and the corresponding bridge deck anchoring structure, theoretical coordinates of the steel main tower anchoring lug plate and the bridge deck anchoring structure are obtained by establishing the special-shaped independent tower and the bridge deck anchoring structure model, so that the problem that the space special-shaped independent tower and the bridge deck anchoring structure are difficult to manufacture and position is solved, affected parts are locally modified in the three-dimensional model, parts needing to be modified are discharged to the second batch of blanking after monitoring line shape confirmation, and the assembly among sections is carried out according to the monitoring line shape so as to adapt to design line shape optimization adjustment requirements.
Description
Technical Field
The application relates to the field of bridge construction, in particular to a manufacturing method of a special-shaped independent tower and a corresponding bridge deck anchoring structure.
Background
In the construction process of a large-span stay cable bridge, a design line type optimization adjustment process is generally provided, wherein the design line type of the bridge is designed through a design unit, then a monitoring unit is regulated to be combined with a bridge construction method to perform further optimization calculation on the bridge line type before construction, so that the final bridge manufacturing line type is obtained, but the design line type optimization adjustment process has a long period, for example, the construction work of waiting for the final line type to confirm and restart a project can not meet the regulated construction time of the project. Therefore, the deepening and the manufacturing of the drawing are needed according to the original line shape given by the design unit, and the adjustment and the modification are carried out after the final line shape is confirmed, while the bridge deck design line shape modification affects the special-shaped single tower inhaul cable anchoring point at the space position and the bridge deck steel anchor box matched with the special-shaped single tower inhaul cable anchoring point, so that the positioning reference of the special-shaped single tower inhaul cable anchoring point can be changed, and great trouble is brought to the manufacturing of an anchoring structure.
Disclosure of Invention
The utility model provides a manufacturing method of special-shaped independent tower and corresponding bridge deck anchoring structure, its theoretical coordinates that obtains steel main tower anchor otic placode and bridge deck anchoring structure through establishing special-shaped independent tower and bridge deck anchoring structure's model, thereby solved the space special-shaped independent tower and bridge deck anchoring structure and be difficult to the problem of manufacturing, and through carrying out local modification to influenced spare part in the three-dimensional model, make the part that needs to modify wait to monitor the linear affirmation after discharging to the second and unloading, finally carry out the group's of intersection according to the monitor the linear and piece together in order to adapt to design line type optimization adjustment demand.
Embodiments of the present application are implemented as follows:
the embodiment of the application provides a special-shaped independent tower and a manufacturing method of a corresponding bridge deck anchoring structure, the special-shaped independent tower comprises two arc-shaped steel main towers which are symmetrically arranged and a plurality of connecting rods which are connected with the two steel main towers, the cross section of each steel main tower is at least octagonal polygonal, the cross section of each steel main tower is gradually reduced from bottom to top, the bottom of each steel main tower is connected with a tower girder consolidation section of a bridge deck, a plurality of anchoring lug plates are arranged on the inner arc side of each steel main tower, the bridge deck is provided with a bridge deck anchoring structure which corresponds to the corresponding anchoring lug plates one to one, each bridge deck anchoring structure comprises an inner supporting plate arranged in an outer longitudinal beam of the bridge deck, one end of each inner supporting plate penetrates through an outer web of the outer longitudinal beam to be connected with a steel anchoring pipe, and a rear anchoring base plate and an anchor pipe reinforcing bar are respectively connected between each inner supporting plate and each steel anchoring pipe; the manufacturing method of the special-shaped independent tower and the corresponding bridge deck anchoring structure comprises the following steps:
step one, establishing a three-dimensional model of the cooperation of a steel main tower and a bridge deck anchoring structure; establishing a three-dimensional model of a steel main tower according to design drawing information under a global coordinate system of a bridge, acquiring reference points of an anchor ear plate of the steel main tower, then establishing the reference points of a bridge deck anchor structure in the coordinate system, and finally establishing the three-dimensional model of the bridge deck anchor structure according to a direction vector between the two reference points;
step two, manufacturing a steel main tower section; firstly, dividing the sections of a steel main tower, then, rotating and leveling the special-shaped independent tower based on a three-dimensional model of the steel main tower, erecting a jig frame after all the anchoring lugs of the steel main tower are positioned on the same horizontal plane, and finally, completing the section manufacturing of the steel main tower by taking the anchoring lugs of the steel main tower as positioning references;
step three, manufacturing a bridge deck anchoring structure; firstly, carrying out block cutting and blanking on an outer longitudinal beam and an outer web of a bridge deck according to a three-dimensional model of the bridge deck anchoring structure, and completing manufacturing of each node of the bridge deck anchoring structure according to the three-dimensional model of the bridge deck anchoring structure;
step four, modifying measures after the line shape of the main bridge is changed; and correcting the bridge deck anchoring structure of the bridge by combining the bridge monitoring line shape, locally modifying the affected parts in the three-dimensional model of the bridge deck anchoring structure, waiting for the parts to be modified to be confirmed by the monitoring line shape, discharging to a second batch of blanking, and finally assembling the sections according to the monitoring line shape.
In some alternative embodiments, step one of building a three-dimensional model of the steel main tower mated with the deck anchor structure comprises the steps of:
modeling a steel main tower; establishing a coordinate system, wherein a forward horizontal line from a small pile number to a large pile number is used as an X-axis forward direction, a transverse horizontal line from a right bridge deck to a left bridge deck is used as a Y-axis forward direction, an upward plumb line is used as a Z-axis forward direction, and a zero point O of the coordinate system is an intersection point of a nominal axis of a steel main tower and a nominal axis of a bridge pier; according to the design drawing, providing data and space coordinates of outer edge control points of the side end parts of each polygonal cross section of the steel main tower, fitting each outer edge line of the steel main tower, and finishing drawing of the whole outline of the steel main tower by the outer edge lines; after the whole profile of the steel main tower is established, the intersection line of the lower edge of the partition plate in the steel main tower and the side line of the middle web is taken as a datum point M ', the fixed distance L is prolonged along the baseline of the partition plate by taking the datum point M' as a base point on the surface of the middle web of the steel main tower, the datum point M is determined, and the point M (X m ，Y m ，Z m ) Namely an anchoring datum point on the steel main tower;
anchoring and modeling the bridge deck; establishing a bridge deck anchoring datum point by taking a bridge deck outer longitudinal beam as a datum point, firstly selecting a projection point of a main beam central line of the bridge deck and an outer longitudinal beam central line on an outer web plate of the outer longitudinal beam as a point N',the point N' is offset along the Y axis by a fixed distance d to obtain a datum point N (X) for anchoring the bridge deck n ，Y n ，Z n ) Connecting anchoring datum points M on the steel main tower i (X mi ，Y mi ，Z mi ) And N i (X ni ，Y ni ，Z ni ) Wherein i is a positive integer, and the direction of the stay cable between the steel main tower and the bridge deck is obtained
(X ni -X mi ，Y ni -Y mi ，Z ni -Z mi ) The method comprises the steps of carrying out a first treatment on the surface of the Calculating a clamping angle alpha of a central line of the bridge deck anchoring structure and an X-axis, a clamping angle beta of the central line of the bridge deck anchoring structure and a Y-axis and a clamping angle gamma of the central line of the bridge deck anchoring structure and a Z-axis according to the direction of a stay cable between the steel main tower and the bridge deck:
and establishing a three-dimensional model of the bridge deck anchoring structure according to parameters obtained by calculating included angles alpha, beta, gamma of the central line of the bridge deck anchoring structure and X-axis, Y-axis and Z-axis and a positioning base point N.
In some alternative embodiments, the step-two shaped unique tower segment fabrication comprises the steps of:
segment division is carried out on the steel main tower; rotating the steel main tower section to be manufactured along the X axis based on the established steel main tower three-dimensional model to enable the anchor lug plate datum point M of the steel main tower i All in the XOY plane, i.e., the anchoring ear plate datum point M i Coordinates (X) mi ，Y mi ，Z mi ) Conversion to M i ’(X mi ’，Y mi ' 0), obtaining theoretical coordinates of the anchor ear plate after leveling;
setting up a jig frame; setting up an assembly jig frame by taking a datum point O of a three-dimensional model of the steel main tower as an original point, taking out coordinate data of three outer side plates of each section of the steel main tower, which are positioned at the bottom, in the rotated three-dimensional model, and setting up an integral jig frame of a single steel main tower;
segment fabrication; carrying out numerical control blanking on each part according to the three-dimensional model of the steel main tower, positioning and scribing at the assembly positions of all parts on the inner side of the outer side plate of the steel main tower, placing the three outer side plates positioned at the bottom on a jig frame for positioning and assembling the bottom surfaces of all the sections for the first time, assembling and welding two partition plates of each section with the corresponding middle web plate and assembling the partition plates with the corresponding outer side plate connected with the anchoring lug plates into a whole; placing the two partition plates, the middle web plate and the corresponding outer side plates connected with the anchoring ear plates which are assembled into a whole on the jig frame, and positioning reference points M on the anchoring ear plates of the sections i "in three-dimensional model of steel main tower M i ’(X mi ’，Y mi ' 0) coordinate value, and M is used after positioning i The positions of scribing and positioning on the lower partition plate and the three outer side plates at the bottom are rotationally adjusted for the circle center, and the code plates are used for temporarily solidifying the three outer side plates at the bottom, the two partition plates, the middle web plate and the corresponding outer side plates connected with the anchoring lug plates;
the assembly of the next segment is completed by the same method, and after the assembly is completed, the assembly is respectively completed by a point M i "sum point M i+1 The circle center is used for rotating and adjusting the two sections, so that the ring openings between the two sections can be tightly butted, and after the adjustment is in place, the adjacent two sections are fixedly positioned by using a code plate;
and after the positioning and assembling of the lower structures of all the sections are completed, sequentially installing a process baffle and the other four outer side plates of each section to complete the integral manufacturing of the steel main tower section.
In some alternative embodiments, the step three deck anchor structure fabrication includes the steps of:
cutting and blanking the outer web plate of the outer longitudinal beam of the bridge deck in a blocking manner according to the three-dimensional model of the bridge deck anchoring structure, reserving an opening for the inner supporting plate to extend out of the outer web plate of the outer longitudinal beam, and assembling and positioning the outer web plate of the outer longitudinal beam along with the outer longitudinal beam of the bridge deck;
cutting and blanking the inner support plate according to the three-dimensional model of the bridge deck anchoring structure, inserting the inner support plate into the outer web plate of the outer longitudinal beam by taking the outer web plate opening of the outer longitudinal beam as a positioning reference, assembling the inner support plate with the outer web plate of the outer longitudinal beam, and then installing the outer web plate of the outer longitudinal beam;
and finally, matching and assembling the rear anchoring backing plate, the anchor pipe reinforcement and the inner supporting plate, and positioning and installing the anchor pipe center marking line of the steel anchor pipe rear anchoring backing plate and the arc line outer edge of the anchor pipe reinforcement to finish the bridge deck anchoring structure manufacturing.
In some alternative embodiments, the step four post-host bridge alignment modification comprises the steps of:
after the bridge deck line correction is lifted, the bridge deck anchoring structure is downwards deviated relative to the whole bridge deck outer longitudinal beam, and the side length of an inner supporting plate of the bridge deck anchoring structure and the side length of an outer web plate of the outer longitudinal beam are subjected to size correction;
before monitoring alignment confirmation, keeping the outer webs of the inner support plates and the outer longitudinal beams motionless, blanking the engineering drawing of the other parts according to the original model, after the bridge deck alignment is modified, carrying out model local modification and carrying out second batch blanking on the outer webs of the inner support plates and the outer longitudinal beams of the parts, and erecting an assembly jig frame in the modified monitoring alignment to complete assembly work of the bridge deck anchoring structure.
In some alternative embodiments, process baffles are provided for positioning and verification of the assembly of polygonal sections of the steel main tower segment according to a model structure at 150-200mm inward of each ring opening of the steel main tower segment, wherein the thickness of the process baffles is 10-30mm.
In some alternative embodiments, after the three outer side plates at the bottom are placed on the jig frame for the first positioning, the process separation plate is additionally arranged to perform alignment adjustment on the positioning between the three outer side plates at the bottom.
The beneficial effects of this application are: the manufacturing method of the special-shaped independent tower and the corresponding bridge deck anchoring structure comprises the following steps: establishing a three-dimensional model of the special-shaped single tower matched with the bridge deck steel anchor box; establishing a three-dimensional model of the special-shaped single tower according to design drawing information under a global coordinate system of the bridge, acquiring reference points of anchoring of the special-shaped single tower, then establishing the reference points of anchoring of the bridge deck in the coordinate system, and finally establishing a bridge deck anchoring model according to a direction vector between the two reference points; manufacturing a special-shaped single tower section; firstly, dividing the special-shaped independent tower sections, then, rotating and leveling the special-shaped independent tower based on a three-dimensional model of the special-shaped independent tower, ensuring that the anchoring lug plates of the special-shaped independent tower are all positioned on the same horizontal plane, erecting a jig frame, and finally, completing the section manufacture of the special-shaped independent tower by taking the anchoring lug plates of the special-shaped independent tower as positioning references; manufacturing a bridge deck anchoring structure; firstly, carrying out block cutting blanking on an outer longitudinal beam and an outer web plate of a bridge deck according to a three-dimensional model, and completing manufacturing of each node of the bridge deck anchoring structure according to the three-dimensional model of the bridge deck anchoring structure; a modification measure after the line shape of the main bridge is changed; and correcting the bridge deck anchoring structure of the bridge by combining the bridge monitoring line, locally modifying the affected parts in the three-dimensional model, waiting for the parts to be modified to be confirmed by the monitoring line, discharging the parts to a second batch of blanking, and finally assembling the sections according to the monitoring line. According to the manufacturing method of the special-shaped independent tower and the corresponding bridge deck anchoring structure, theoretical coordinates of the steel main tower anchoring lug plate and the bridge deck anchoring structure are obtained by establishing the special-shaped independent tower and the bridge deck anchoring structure model, so that the problem that the space special-shaped independent tower and the bridge deck anchoring structure are difficult to manufacture is solved, parts needing to be modified are partially modified in the three-dimensional model, the parts needing to be modified are discharged to the second batch of blanking after the monitoring line shape is confirmed, and finally the assembly among the sections is carried out according to the monitoring line shape so as to adapt to the design line shape optimization adjustment requirement, and the construction efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a special-shaped independent tower and a manufacturing method of a corresponding bridge deck anchoring structure according to an embodiment of the present application when the special-shaped independent tower is mounted on a bridge deck;
fig. 2 is a schematic structural diagram of a special-shaped independent tower and a manufacturing method of a corresponding bridge deck anchoring structure according to an embodiment of the present application when the bridge deck anchoring structure is mounted on a bridge deck;
fig. 3 is a schematic structural view of a first view angle of connection between a bridge deck anchoring structure and an outer longitudinal beam in the method for manufacturing a special-shaped independent tower and a corresponding bridge deck anchoring structure according to an embodiment of the present application;
fig. 4 is a schematic structural view of a second view angle of connection between a bridge deck anchoring structure and an outer longitudinal beam in the method for manufacturing a special-shaped independent tower and a corresponding bridge deck anchoring structure according to an embodiment of the present application;
fig. 5 is a schematic diagram of fitting each outer edge line of a steel main tower with space coordinates of outer edge control points of side end parts of each cross section of the steel main tower and completing overall profile drawing of the steel main tower in the manufacturing method of the special-shaped independent tower and the corresponding bridge deck anchoring structure provided by the embodiment of the application;
fig. 6 is a schematic diagram of determining an anchoring reference point M on a steel main tower in the method for manufacturing a special-shaped independent tower and a corresponding bridge deck anchoring structure according to the embodiment of the present application;
FIG. 7 is a cross-sectional view taken along section line A-A of FIG. 6;
fig. 8 is a schematic diagram of a first view angle when determining a reference point N of bridge deck anchoring in the method for manufacturing a special-shaped independent tower and a corresponding bridge deck anchoring structure according to an embodiment of the present application;
fig. 9 is a schematic diagram of a second view angle when determining a reference point N of deck anchoring in the method for manufacturing the special-shaped independent tower and the corresponding deck anchoring structure according to the embodiment of the present application;
FIG. 10 is a schematic diagram of determining the direction of a stay cable between a main steel tower and a bridge deck in a method for manufacturing a special-shaped independent tower and a corresponding bridge deck anchoring structure according to an embodiment of the present application;
FIG. 11 is a schematic view of determining the angle α between the center line of the bridge deck anchoring structure and the X-axis in the method for manufacturing the special-shaped independent tower and the corresponding bridge deck anchoring structure according to the embodiment of the present application;
fig. 12 is a schematic diagram of determining included angles β and γ between a center line of a bridge deck anchoring structure and Y and Z axes in a manufacturing method of a special-shaped independent tower and a corresponding bridge deck anchoring structure according to an embodiment of the present application;
fig. 13 is a schematic view of a method for manufacturing a special-shaped independent tower and a corresponding bridge deck anchoring structure according to an embodiment of the present application, in which a steel main tower is rotated and flattened to make each anchoring lug plate all be in the same horizontal plane and set up a jig;
fig. 14 is a schematic view of a steel main tower segment spliced on a jig frame in the method for manufacturing a special-shaped independent tower and a corresponding bridge deck anchoring structure according to the embodiment of the present application;
fig. 15 is a schematic diagram of positioning and alignment adjustment between three outer side plates with segments located below by adding process separators in the manufacturing method of the special-shaped independent tower and the corresponding bridge deck anchoring structure provided in the embodiment of the present application;
fig. 16 is a schematic view of assembling and welding two separators, a middle web plate and an anchor ear plate in the method for manufacturing the special-shaped independent tower and the corresponding bridge deck anchor structure according to the embodiment of the present application;
fig. 17 is a schematic diagram of splicing three outer side plates with segments below and two partition plates, a middle web plate, an anchoring ear plate and an outer side plate connected with the anchoring ear plate on a jig frame in the manufacturing method of the special-shaped independent tower and the corresponding bridge deck anchoring structure provided by the embodiment of the application;
fig. 18 is a schematic diagram of splicing two adjacent segments according to positioning reference points of the anchor ear plates in the method for manufacturing the special-shaped independent tower and the corresponding bridge deck anchor structure according to the embodiment of the present application;
fig. 19 is a schematic view of splicing of bridge deck anchor structures in the method for manufacturing a special-shaped independent tower and a corresponding bridge deck anchor structure according to an embodiment of the present application;
fig. 20 is a schematic structural view of an inner support plate in a method for manufacturing a special-shaped independent tower and a corresponding bridge deck anchoring structure according to an embodiment of the present application;
fig. 21 is a schematic structural view of an outer web in the method for manufacturing a special-shaped independent tower and a corresponding bridge deck anchoring structure according to an embodiment of the present application;
fig. 22 is a schematic structural view of a modified size of an internal support plate after a bridge deck line correction and elevation in a method for manufacturing a special-shaped independent tower and a corresponding bridge deck anchoring structure according to an embodiment of the present application;
fig. 23 is a schematic structural view of modification of the outer web after lifting of the bridge deck alignment modification in the method for manufacturing the special-shaped independent tower and the corresponding bridge deck anchoring structure according to the embodiment of the present application.
In the figure: 100. a special-shaped single tower; 110. a steel main tower; 120. a connecting rod; 150. a middle web; 160. a partition plate; 170. stay cables; 200. a tower beam consolidation section; 210. bridge deck anchoring structure; 220. an outer side member; 230. an outer web; 240. an inner support plate; 250. a rear anchor pad; 260. reinforcing the anchor pipe; 270. and (5) a steel anchor pipe.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships that are conventionally put in use of the product of the application, are merely for convenience of description of the present application and simplification of description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The characteristics and properties of the method of manufacturing the profiled independent tower and the corresponding deck anchor structure of the present application are described in further detail below with reference to the examples.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the embodiment of the application provides a manufacturing method of a special-shaped independent tower and a corresponding bridge deck anchoring structure, the special-shaped independent tower 100 comprises two arc-shaped steel main towers 110 which are symmetrically arranged and 4 connecting rods 120 which are connected with the two steel main towers 110, the cross section of the steel main towers 110 is octagonal, the cross section area of the steel main towers 110 is gradually reduced from bottom to top, the bottom of the steel main towers 110 is connected with a tower girder consolidation section 200 of the bridge deck, ten anchoring lugs are arranged on the inner arc side of the steel main towers 110, a back cable anchoring lug is arranged on the outer arc side of the steel main towers 110, a middle web 150 and two partition plates 160 are arranged in the steel main towers 110, and the anchoring lug and the back cable anchoring lug are respectively connected with the middle web 150 of the corresponding section of the steel main towers 110; when the special-shaped independent tower 100 is installed on the tower girder consolidation section 200 of the bridge deck, the bridge deck anchoring structure 210 of the cable anchoring area of the bridge deck is correspondingly connected with the stay cable 170 through the anchoring lug plate, the bridge deck anchoring structure 210 comprises an inner supporting plate 240 arranged in an outer longitudinal beam 220 of the bridge deck, one end of the inner supporting plate 240 penetrates through an outer web 230 of the outer longitudinal beam 220 to be connected with a steel anchor pipe 270, and a rear anchoring backing plate 250 and an anchor pipe reinforcing rib 260 are respectively connected between the inner supporting plate 240 and the steel anchor pipe 270;
the manufacturing method of the special-shaped independent tower and the corresponding bridge deck anchoring structure comprises the following steps:
step one, establishing a three-dimensional model of the special-shaped single tower 100 matched with the bridge deck anchoring structure 210; establishing a three-dimensional model of the steel main tower 110 according to design drawing information under a global coordinate system of a bridge, acquiring reference points of anchor ear plates of the steel main tower 110, then establishing the reference points of the bridge deck anchor structure 210 in the coordinate system, and finally establishing the three-dimensional model of the bridge deck anchor structure 210 according to a direction vector between the two reference points;
modeling a steel main tower 110; as shown in FIG. 5, a coordinate system is established, the forward horizontal line of the bridge direction from the small pile number to the large pile number is taken as the X-axis forward direction, the horizontal line of the bridge direction of the bridge deck on the right side to the bridge deck on the left side is taken as the Y-axis forward direction, and the direction is taken as the Y-axis forward directionThe plumb line on the bridge pier is positive Z-axis, and the zero point O of the coordinate system is the intersection point of the nominal axis of the steel main tower 110 and the nominal axis of the bridge pier; according to the design drawing, providing data and space coordinates of outer edge control points of side end parts of each octagonal cross section of the steel main tower 110, fitting each outer edge line of the steel main tower 110, and completing drawing of the whole outline of the steel main tower 110 by the outer edge line; as shown in fig. 6 and 7, after the overall profile of the steel main tower 110 is established, the intersection line of the lower edge of the partition 160 and the edge line of the inner web inside the steel main tower 110 is used as a reference point M ', a fixed distance L is extended along the base line of the partition 160 on the middle surface of the inner web of the steel main tower 110 by using the reference point M' as a reference point, and the reference point M (X m ，Y m ，Z m ) I.e., the anchor reference point on the steel main tower 110;
modeling the deck anchor structure 210; as shown in fig. 8 and 9, the outer side member 220 of the bridge deck is taken as a reference point for bridge deck anchoring, first, the projection point of the center line of the main beam of the bridge deck and the center line of the outer side member 220 on the outer web 230 of the outer side member 220 is selected as a point N ', and then the point N' is shifted by a fixed distance d along the Y axial direction to obtain a bridge deck anchoring reference point N (X n ，Y n ，Z n ) As shown in FIG. 10, the anchor reference points M on the steel main tower 110 are connected i (X mi ，Y mi ，Z mi ) And N i (X ni ，Y ni ，Z ni ) Wherein i is a positive integer, the direction of the stay cable 170 between the steel main tower 110 and the bridge deck is obtained
(X ni -X mi ，Y ni -Y mi ，Z ni -Z mi ) The method comprises the steps of carrying out a first treatment on the surface of the As shown in fig. 11 and 12, the bridge deck anchoring structure 210 center line and X-axis clamping angle α, the bridge deck anchoring structure 210 center line and Y-axis clamping angle β, and the bridge deck anchoring structure 210 center line and Z-axis clamping angle γ are calculated according to the stay cable 170 direction between the steel main tower 110 and the bridge deck:
and establishing a three-dimensional model of the bridge deck anchoring structure 210 according to parameters obtained by calculating included angles alpha, beta, gamma of the central line of the bridge deck anchoring structure 210 and X-axis, Y-axis and Z-axis and a positioning base point N.
Step two, manufacturing a section of the steel main tower 110; as shown in fig. 13, the segments of the steel main tower 110 are firstly divided, then the steel main tower 110 is rotated by 78.6 degrees and leveled based on a three-dimensional model of the steel main tower 110, the anchoring lugs of the steel main tower 110 are ensured to be all positioned on the same horizontal plane, a jig frame is erected, and finally the segments of the special-shaped single tower 100 are manufactured by taking the anchoring lugs of the special-shaped single tower 100 as positioning references, specifically:
segment division of the steel main tower 110; rotating the section of the steel main tower 110 to be manufactured by 78.6 degrees along the X-axis based on the established three-dimensional model of the steel main tower 110 so as to enable the anchor ear plate datum point M of the steel main tower 110 i All in the XOY plane, i.e., the anchoring ear plate datum point M i Coordinates (X) mi ，Y mi ，Z mi ) Conversion to M i ’(X mi ’，Y mi ' 0), obtaining theoretical coordinates of the anchor ear plate after leveling;
setting up a jig frame; setting up an assembly jig frame by taking a datum point O of a three-dimensional model of the steel main tower 110 as an original point, taking out coordinate data of three outer side plates TB3, FB2 and DB3 of each section of the steel main tower 110 in the rotated three-dimensional model, setting up an integral jig frame of a single steel main tower 110, and taking TB3, FB2 and DB3 as assembly bottom surfaces;
segment fabrication; each part is subjected to numerical control blanking according to a three-dimensional model of the steel main tower 110, positioning and scribing are carried out at the assembly positions of all parts on the inner side of the outer side plate of the steel main tower 110, TB3, FB2 and DB3 are placed on a jig frame for the first positioning, as shown in fig. 14 and 15, and then process separation plates are additionally arranged for positioning and aligning the positions among TB3, FB2 and DB3Adjusting; as shown in fig. 16, the outer side plate DB1, which is assembled and connected with the middle web 150 (FB 3) and the corresponding anchor ear plates of the two spacers 160 (GB-1 and GB-2) and the middle web 150 (FB 3), is assembled as a unit; as shown in FIG. 17, the assembled integrated FB3, DB1, GB-2 is placed onto the jig frame, locating datum points M on the anchor ear plates of the segments i "in three-dimensional model of steel main tower 110M i ’(X mi ’，Y mi ' 0) coordinate value, and M is used after positioning i "the position of scribing and positioning on GB-2 partition 160 and TB3, FB2 and DB3 is adjusted by rotating for the center of circle, temporary consolidation of the assembled structure of the segments is carried out by using code plate pairs;
as shown in FIG. 18, the assembly of the next segment is completed in the same way, and after the assembly is completed, the assembly is respectively completed by a point M i "sum point M i+1 The circle center is used for rotating and adjusting the two sections, so that the ring openings between the two sections can be tightly butted, and after the adjustment is in place, the adjacent two sections are fixedly positioned by using a code plate; when two sections are butted, a process baffle plate is arranged at 200mm inward positions of all ring openings of the sections of the steel main tower 110 according to a model structure and used for positioning and checking polygonal section assembly, wherein the thickness of the process baffle plate is 20mm.
And after the positioning and assembling of the lower structures of all the sections are completed, sequentially installing the process separation plates and the other four outer side plates DB2, TB1, TB2 and FB1 of the sections, and completing the integral manufacturing of the sections of the steel main tower 110.
Step three, manufacturing a bridge deck anchoring structure 210; as shown in fig. 19, 20 and 21, firstly, the outer longitudinal beam 220 and the outer web 230 of the bridge deck are cut and blanked in blocks according to the three-dimensional model of the bridge deck anchoring structure 210, and the manufacture of each node of the bridge deck anchoring structure 210 is completed according to the three-dimensional model of the bridge deck anchoring structure 210;
cutting and blanking the outer longitudinal beam 220 and the outer web 230 of the bridge deck in blocks according to a bridge deck anchoring model, reserving an opening with the length L4 and the thickness T on the outer web 230 of the outer longitudinal beam 220 to be matched with one end of the inner supporting plate 240 extending out of the outer longitudinal beam 220, and assembling and positioning the outer web 230 of the outer longitudinal beam 220 along with the outer longitudinal beam 220 of the bridge deck;
cutting and blanking the inner support plate 240 according to the three-dimensional model, inserting the inner support plate 240 into and assembling the inner support plate with the outer web 230 of the outer longitudinal beam 220 by taking the opening of the outer web 230 of the outer longitudinal beam 220 as a positioning reference, and then installing the outer web 230 of the outer longitudinal beam 220; wherein, the distance d=l3+r/2 from the point N' to the point N, the included angle α between the bridge deck anchoring structure 210 and the coordinates is controlled by the opening angle of the outer web 230 of the outer longitudinal beam 220, and the included angles β, γ are controlled by the lengths L1 and L2 of the inner support plate 240 extending out of the opening;
finally, the L1 length edge of the rear anchoring backing plate 250 and the L2 length edge of the anchor pipe reinforcement 260 are assembled with the inner support plate 240 in a matching way, and the anchor pipe center marking line of the steel anchor pipe 270 of the rear anchoring backing plate 250 and the arc outer edge of the anchor pipe reinforcement 260 are positioned and installed to finish the manufacturing of the bridge deck anchoring structure 210.
Step four, modifying measures after the line shape of the main bridge is changed; the bridge deck anchoring structure 210 of the bridge is modified by combining the bridge monitoring line shape, the affected parts are locally modified in the three-dimensional model, the parts needing to be modified are discharged to the second batch of blanking after the monitoring line shape is confirmed, finally the sections are assembled according to the monitoring line shape, and the two steel main towers 110 and the connecting rods 120 are connected to obtain the special-shaped independent tower 100.
After the bridge deck line correction is raised, the bridge deck anchoring structure 210 is shifted downward relative to the bridge deck outer longitudinal beam 220 as a whole, as shown in fig. 22 and 23, the side lengths Δl1 and Δl2 of the inner support plates 240 of the bridge deck anchoring structure 210 are modified in size, and the side lengths Δl3 and Δl4 of the outer webs 230 of the outer longitudinal beam 220 are modified in size;
before monitoring alignment confirmation, keeping the inner support plate 240 and the outer web 230 of the outer longitudinal beam 220 motionless, blanking the engineering drawing of the rest parts according to the original model, after the bridge deck alignment is modified, carrying out model local modification, and carrying out second batch blanking on the inner support plate 240 and the outer web 230 of the outer longitudinal beam 220, so as to complete assembly work of the bridge deck anchoring structure 210 by the modified monitoring alignment erection assembly jig.
According to the manufacturing method of the special-shaped independent tower and the corresponding bridge deck anchoring structure, the three-dimensional model of the steel main tower 110 and the bridge deck anchoring structure 210 is established as a basis, the overall theoretical coordinates of the anchoring lug plate of the steel main tower 110 and the bridge deck anchoring structure 210 are obtained, and the three-dimensional model of the steel main tower 110 and the bridge deck anchoring structure 210 is used as a basis, so that the manufacturing and positioning of the steel main tower 110 and the bridge deck anchoring structure 210 based on model data are completed, and the problem that the steel main tower 110 and the bridge deck anchoring structure 210 of the special-shaped independent tower 100 are difficult to manufacture and align and position is solved; meanwhile, aiming at the problem that design line type optimization adjustment and urgent manufacturing time are usually caused in the construction process of a large-span stay cable bridge, the bridge deck anchoring structure 210 of the main bridge is modified by combining the monitoring line type of the main bridge, the affected parts are locally modified in the three-dimensional model of the bridge deck anchoring structure 210, the parts needing to be modified are discharged to the second batch of blanking after the monitoring line type is confirmed, and finally the assembly among the sections is carried out according to the monitoring line type, so that a modification method of an anchor box structure after the line type of the main bridge is changed is formed, and the construction efficiency of bridge construction can be effectively improved.
The embodiments described above are some, but not all, of the embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
Claims (7)
1. The special-shaped independent tower comprises two arc-shaped steel main towers which are symmetrically arranged and a plurality of connecting rods which are used for connecting the two steel main towers, wherein the cross section of each steel main tower is at least octagonal polygonal, the cross section of each steel main tower is gradually reduced from bottom to top, the bottom of each steel main tower is connected with a tower girder consolidation section of a bridge deck, a plurality of anchor ear plates are arranged on the inner arc side of each steel main tower, the bridge deck is provided with a bridge deck anchoring structure which corresponds to the anchor ear plates one by one, each bridge deck anchoring structure comprises an inner supporting plate which is arranged in an outer bridge deck longitudinal beam, one end of each inner supporting plate penetrates through an outer web plate of the outer bridge beam to be connected with a steel anchor pipe, and a rear anchoring backing plate and an anchor pipe reinforcing bar are respectively connected between each inner supporting plate and each steel anchor pipe; the manufacturing method of the special-shaped independent tower and the corresponding bridge deck anchoring structure comprises the following steps:
step one, establishing a three-dimensional model of the cooperation of a steel main tower and a bridge deck anchoring structure; establishing a three-dimensional model of a steel main tower according to design drawing information under a global coordinate system of a bridge, acquiring reference points of an anchor ear plate of the steel main tower, then establishing the reference points of a bridge deck anchor structure in the coordinate system, and finally establishing the three-dimensional model of the bridge deck anchor structure according to a direction vector between the two reference points;
step two, manufacturing a steel main tower section; firstly, dividing the sections of a steel main tower, then, rotating and leveling the special-shaped independent tower based on a three-dimensional model of the steel main tower, erecting a jig frame after all the anchoring lugs of the steel main tower are positioned on the same horizontal plane, and finally, completing the section manufacturing of the steel main tower by taking the anchoring lugs of the steel main tower as positioning references;
step three, manufacturing a bridge deck anchoring structure; firstly, carrying out block cutting and blanking on an outer longitudinal beam and an outer web of a bridge deck according to a three-dimensional model of the bridge deck anchoring structure, and completing manufacturing of each node of the bridge deck anchoring structure according to the three-dimensional model of the bridge deck anchoring structure;
step four, modifying measures after the line shape of the main bridge is changed; and correcting the bridge deck anchoring structure of the bridge by combining the bridge monitoring line shape, locally modifying the affected parts in the three-dimensional model of the bridge deck anchoring structure, waiting for the parts to be modified to be confirmed by the monitoring line shape, discharging to a second batch of blanking, and finally assembling the sections according to the monitoring line shape.
2. The method for manufacturing the special-shaped independent tower and the corresponding bridge deck anchoring structure according to claim 1, wherein the step one of establishing the three-dimensional model of the cooperation of the steel main tower and the bridge deck anchoring structure comprises the following steps:
modeling a steel main tower; establishing a coordinate system, wherein a forward horizontal line from a small pile number to a large pile number is used as an X-axis forward direction, a transverse horizontal line from a right bridge deck to a left bridge deck is used as a Y-axis forward direction, an upward plumb line is used as a Z-axis forward direction, and a zero point O of the coordinate system is an intersection point of a nominal axis of a steel main tower and a nominal axis of a bridge pier; lifting according to design drawingFitting the data and the space coordinates of the outer edge control points of the side end parts of the polygonal cross sections of the steel main tower to each outer edge line of the steel main tower, and completing drawing of the whole outline of the steel main tower by the outer edge lines; after the whole profile of the steel main tower is established, the intersection line of the lower edge of the partition plate in the steel main tower and the side line of the middle web is taken as a datum point M ', the fixed distance L is prolonged along the baseline of the partition plate by taking the datum point M' as a base point on the surface of the middle web of the steel main tower, the datum point M is determined, and the point M (X m ，Y m ，Z m ) Namely an anchoring datum point on the steel main tower;
anchoring and modeling the bridge deck; the bridge floor anchoring datum point is established by taking the bridge floor outer longitudinal beam as a datum point, firstly, a projection point of the center line of the main beam of the bridge floor and the center line of the outer longitudinal beam on the outer web plate of the outer longitudinal beam is selected as a point N ', and then the point N' is offset by a fixed distance d along the Y axial direction to obtain the bridge floor anchoring datum point N (X) n ，Y n ，Z n ) Connecting anchoring datum points M on the steel main tower i (X mi ，Y mi ，Z mi ) And N i (X ni ，Y ni ，Z ni ) Wherein i is a positive integer, and the direction of the stay cable between the steel main tower and the bridge deck is obtained
(X ni -X mi ，Y ni -Y mi ，Z ni -Z mi ) The method comprises the steps of carrying out a first treatment on the surface of the Calculating a clamping angle alpha of a central line of the bridge deck anchoring structure and an X-axis, a clamping angle beta of the central line of the bridge deck anchoring structure and a Y-axis and a clamping angle gamma of the central line of the bridge deck anchoring structure and a Z-axis according to the direction of a stay cable between the steel main tower and the bridge deck:
and establishing a three-dimensional model of the bridge deck anchoring structure according to parameters obtained by calculating included angles alpha, beta, gamma of the central line of the bridge deck anchoring structure and X-axis, Y-axis and Z-axis and a positioning base point N.
3. The method of manufacturing a profiled independent tower and corresponding deck anchor structure according to claim 1, wherein said step of manufacturing a profiled independent tower segment comprises the steps of:
segment division is carried out on the steel main tower; rotating the steel main tower section to be manufactured along the X axis based on the established steel main tower three-dimensional model to enable the anchor lug plate datum point M of the steel main tower i All in the XOY plane, i.e., the anchoring ear plate datum point M i Coordinates (X) mi ，Y mi ，Z mi ) Conversion to M i ’(X mi ’，Y mi ' 0), obtaining theoretical coordinates of the anchor ear plate after leveling;
setting up a jig frame; setting up an assembly jig frame by taking a datum point O of a three-dimensional model of the steel main tower as an original point, taking out coordinate data of three outer side plates of each section of the steel main tower, which are positioned at the bottom, in the rotated three-dimensional model, and setting up an integral jig frame of a single steel main tower;
segment fabrication; carrying out numerical control blanking on each part according to the three-dimensional model of the steel main tower, positioning and scribing at the assembly positions of all parts on the inner side of the outer side plate of the steel main tower, placing the three outer side plates positioned at the bottom on a jig frame for positioning and assembling the bottom surfaces of all the sections for the first time, assembling and welding two partition plates of each section with the corresponding middle web plate and assembling the partition plates with the corresponding outer side plate connected with the anchoring lug plates into a whole; placing the two partition plates, the middle web plate and the corresponding outer side plates connected with the anchoring ear plates which are assembled into a whole on the jig frame, and positioning reference points M on the anchoring ear plates of the sections i "in three-dimensional model of steel main tower M i ’(X mi ’，Y mi ' 0) coordinate value, and M is used after positioning i "for centre of a circle rotatory adjustment locate at baffle below and three lateral plates that are located bottomThe upper scribing positioning position is temporarily solidified by a code plate at the corresponding outer side plates of the three outer side plates, the two partition plates, the middle web plate and the connecting anchoring lug plate at the bottom;
the assembly of the next segment is completed by the same method, and after the assembly is completed, the assembly is respectively completed by a point M i "sum point M i+1 The circle center is used for rotating and adjusting the two sections, so that the ring openings between the two sections can be tightly butted, and after the adjustment is in place, the adjacent two sections are fixedly positioned by using a code plate;
and after the positioning and assembling of the lower structures of all the sections are completed, sequentially installing a process baffle and the other four outer side plates of each section to complete the integral manufacturing of the steel main tower section.
4. The method of manufacturing a shaped independent tower and corresponding deck anchor structure according to claim 1, wherein the step three deck anchor structure manufacturing comprises the steps of:
cutting and blanking the outer web plate of the outer longitudinal beam of the bridge deck in a blocking manner according to the three-dimensional model of the bridge deck anchoring structure, reserving an opening for the inner supporting plate to extend out of the outer web plate of the outer longitudinal beam, and assembling and positioning the outer web plate of the outer longitudinal beam along with the outer longitudinal beam of the bridge deck;
cutting and blanking the inner support plate according to the three-dimensional model of the bridge deck anchoring structure, inserting the inner support plate into the outer web plate of the outer longitudinal beam by taking the outer web plate opening of the outer longitudinal beam as a positioning reference, assembling the inner support plate with the outer web plate of the outer longitudinal beam, and then installing the outer web plate of the outer longitudinal beam;
and matching and assembling the rear anchoring base plate, the anchor pipe reinforcement and the inner support plate, and positioning and installing the steel anchor pipe by the anchor pipe center marking of the rear anchoring base plate and the arc outer edge of the anchor pipe reinforcement to finish the bridge deck anchoring structure manufacturing.
5. The method for manufacturing the special-shaped independent tower and the corresponding bridge deck anchoring structure according to claim 1, wherein the modification measure after the line shape change of the main bridge in the step four comprises the following steps:
after the bridge deck line correction is lifted, the bridge deck anchoring structure is downwards deviated relative to the whole bridge deck outer longitudinal beam, and the side length of an inner supporting plate of the bridge deck anchoring structure and the side length of an outer web plate of the outer longitudinal beam are subjected to size correction;
before monitoring alignment confirmation, keeping the outer webs of the inner support plates and the outer longitudinal beams motionless, blanking the engineering drawing of the other parts according to the original model, after the bridge deck alignment is modified, carrying out model local modification and carrying out second batch blanking on the outer webs of the inner support plates and the outer longitudinal beams of the parts, and erecting an assembly jig frame in the modified monitoring alignment to complete assembly work of the bridge deck anchoring structure.
6. A method of manufacturing a profiled independent tower and corresponding deck anchor structure as claimed in claim 3, wherein process spacers are provided at the inner 150-200mm of each ring mouth of the steel main tower section according to the model structure for positioning and verification of the polygonal cross section assembly of the steel main tower section, wherein the thickness of the process spacers is 10-30mm.
7. The method for manufacturing the special-shaped independent tower and the corresponding bridge deck anchoring structure according to claim 3, wherein after the three outer side plates at the bottom are placed on the jig frame for the first positioning, the process separation plate is additionally arranged for positioning and adjusting the positioning among the three outer side plates at the bottom.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6292967B1 (en) * | 1999-09-14 | 2001-09-25 | Construction Technology Laboratories, Inc. | TMD-damped stay cable and method and TMD |
| JP2002339316A (en) * | 2001-05-16 | 2002-11-27 | Ishikawajima Harima Heavy Ind Co Ltd | Reinforced structure of cable anchor section of existing suspension bridge and its reinforcing method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU53302U1 (en) * | 2005-12-21 | 2006-05-10 | Федеральное государственное учреждение "61 Научно-исследовательский испытательный институт (Железнодорожных войск)" МО РФ | DIGITAL MOUNTING FOR MOUNTING OF TOWER SUPPORTS OF FOLLOWING RAILWAY TAPE BRIDGE |
| CN201553986U (en) * | 2009-12-10 | 2010-08-18 | 中国水电顾问集团华东勘测设计研究院 | Stay cable steel anchoring beam structure |
| KR101488388B1 (en) * | 2011-09-30 | 2015-01-30 | 센젠 브릿지 디자인 앤드 리서치 인스티튜트 코., 엘티디 | Extended-span and alternatively-shaped arch bridge and construction method therefor |
| CN204703073U (en) * | 2015-05-25 | 2015-10-14 | 中铁上海工程局集团第五工程有限公司 | A kind of device ensureing spatial warping curve steel king-tower installation line style |
| CN106638318B (en) * | 2016-11-25 | 2019-03-15 | 中铁大桥局集团第五工程有限公司 | The localization method and cable guide pipe installation method of cable-stayed bridge beam-ends anchor point |
| CN114164759B (en) * | 2022-02-09 | 2022-06-10 | 中铁山桥(南通)有限公司 | Method for manufacturing bridge anchoring structure |
-
2022
- 2022-04-27 CN CN202210457896.0A patent/CN114855619B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6292967B1 (en) * | 1999-09-14 | 2001-09-25 | Construction Technology Laboratories, Inc. | TMD-damped stay cable and method and TMD |
| JP2002339316A (en) * | 2001-05-16 | 2002-11-27 | Ishikawajima Harima Heavy Ind Co Ltd | Reinforced structure of cable anchor section of existing suspension bridge and its reinforcing method |
Non-Patent Citations (2)
| Title |
|---|
| 斜拉桥异形截面索塔锚固区足尺模型试验与应力分析;李跃;朱宏平;;桥梁建设(01);全文 * |
| 某桥塔测量控制及锚固钢套管精确定位;吴国平等;山西建筑;第36卷(第17期);355-356 * |
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