CN110295756B - Vertical face arc-shaped sliding unit in-situ concentric rotary splicing construction method - Google Patents
Vertical face arc-shaped sliding unit in-situ concentric rotary splicing construction method Download PDFInfo
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- CN110295756B CN110295756B CN201910558820.5A CN201910558820A CN110295756B CN 110295756 B CN110295756 B CN 110295756B CN 201910558820 A CN201910558820 A CN 201910558820A CN 110295756 B CN110295756 B CN 110295756B
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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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Abstract
An in-situ concentric rotary splicing construction method for a vertical face arc-shaped sliding unit comprises the following steps of firstly, determining the position of an arc-shaped sliding track; adjusting the radius of each arc-shaped sliding track to enable each arc-shaped sliding track to share a circle center on the vertical projection; thirdly, when the height difference exists between the sliding structure substrate and the sliding track, the rod piece bottom finding is carried out on the sliding structure substrate; fourthly, dividing the sliding structure into a plurality of different sliding units; fifthly, determining the sliding direction, wherein the arc-shaped sliding track extends into the splicing platform; and sixthly, rotating each sliding unit by a specified angle theta i around a connecting line of the circle centers of the tracks according to the sliding sequence. The assembling platform is arranged according to the radian of the arc-shaped sliding track, the assembling platform can be prevented from being repeatedly disassembled and assembled in the sliding process, and the structural rod piece can not interfere with the platform when the sliding structure leaves the assembling platform, so that the labor cost and the time cost are saved.
Description
Technical Field
The invention relates to a construction method for assembling a vertical arc-shaped sliding unit after rotating along the center of a concentric circle in situ, belonging to the technical field of construction of building steel structures.
Background
At present, domestic steel structure projects mainly adopt construction methods such as hoisting, sliding and lifting, but the sliding construction types which are mature and applied mainly include linear sliding, inclined plane sliding, arc plane sliding, plane radial sliding and the like, and the vertical plane arc sliding has no application example.
At present, a large number of sports stadiums are peculiar in modeling, and a roof steel structure is in a one-way arc shape or even a two-way curved surface form in the vertical surface direction. In combination with the form of civil structures, planar slippage is not suitable, and therefore, arc-shaped slippage of the vertical surface begins to occur.
Different from plane slippage, when a newly-appeared vertical arc-shaped slippage mode is adopted, the form of the slippage unit in the assembly stage is completely different from the coordinate of the design state, and how to realize accurate assembly of the arc-shaped slippage unit is not determined.
Disclosure of Invention
The invention aims to provide a simple and effective in-situ concentric rotary splicing construction method for splicing the vertical arc-shaped sliding units.
In order to achieve the purpose, the invention specifically provides the following technical scheme: an in-situ concentric rotary splicing construction method for a vertical face arc-shaped sliding unit comprises the following specific construction steps: (1) determining the position of the arc-shaped sliding track according to the relative relation between the sliding structure and the fixed structure; (2) adjusting the radius of each arc-shaped sliding track to ensure that each arc-shaped sliding track shares a circle center on the elevation projection, namely each track is a part of a concentric circle on the elevation projection; (3) when the height difference exists between the base of the sliding structure and the sliding track, the bottom of the rod piece is found for the base of the sliding structure, so that the sliding track is overlapped with the new base of the sliding structure after the bottom finding, and meanwhile, the bottom finding upright rod at the sliding shoe is ensured to point to the circle center of the track; (4) dividing the slip structure into a plurality of different slip units; (5) determining a sliding direction, arranging an arc-shaped assembling platform at the starting end of the sliding direction, and extending an arc-shaped sliding track into the platform; (6) rotating each sliding unit (including a bottom finding rod piece) by an appointed angle theta i around a connecting line of the circle centers of the tracks according to a sliding sequence, and rotating the appointed sliding unit from a design position to an appointed splicing platform; (7) and extracting the node coordinates of the rotating sliding units as the node coordinates during assembling.
Further, the vertical surface is a vertical plane with respect to a horizontal plane, i.e., a vertical plane perpendicular to the ground.
Further, according to different sliding structure forms, at least 2 arc-shaped sliding tracks are arranged in the horizontal projection plane, the radii of the arc-shaped sliding tracks are different, the arc-shaped sliding tracks have own circle centers, the arc-shaped sliding tracks do not coincide in the horizontal projection plane, and all the circle centers of the arc-shaped sliding tracks coincide at the same point in the vertical projection plane.
Furthermore, the bottom finding vertical rod is connected to the top surface of the sliding rail in the same vertical surface from the bottom of the sliding structure, and the axis of the rod piece points to the circle center of the arc-shaped sliding rail in the same vertical surface.
Further, the designated angle θ i is an included angle formed by a connecting line L1 between a point a on the sliding structure at the design position and a center o of the track in the same vertical plane and a connecting line L2 between the point a on the structure at the assembly position and the center o of the track, and the angle mark i represents the i-th sliding. As the slip progresses, the angle θ i decreases.
Further, the design position refers to a position where the structural rod is located in a normal use stage after the structural design is completed.
Further, above-mentioned platform is assembled to arc, according to the orbital radian design that slides of arc for every unit that slides assembles, set up at the top of the direction of sliding, every time piece together a unit that slides, the unit that slides roll off forward, assemble the platform and begin to continue to piece together a unit that slides afterwards, analogize with this.
The node coordinates are three-dimensional coordinates (X, Y, Z), and the three-dimensional coordinates of the nodes rotated to the assembling platform are used as control coordinates during assembling, so that the sliding units are assembled.
The invention has the following technical advantages:
(1) the assembly platform is arranged according to the radian of the arc-shaped sliding track, the assembly platform can be prevented from being repeatedly assembled and disassembled in the sliding process, and the structural rod piece cannot interfere with the platform when the sliding structure leaves the assembly platform, so that the labor cost and the time cost are saved;
(2) the operation of rotating the node coordinates can be carried out in the CAD, the node coordinates are directly extracted for on-site assembly, and the method does not need too much manpower and material resources and is simple and convenient.
Drawings
FIG. 1 shows the relative relationship of the vertical arc-shaped sliding assembly platform, the sliding track and the sliding structure according to the invention;
FIG. 2 is a schematic view of the orientation of the bottom-finding vertical rod at the bottom of the sliding structure disclosed in the patent of the invention;
FIG. 3 is a value source of a designated angle θ 1 of rotation of the first slip unit according to the present invention;
FIG. 4 is a connecting line of the circle centers of the arc-shaped sliding tracks of each vertical face according to the invention;
fig. 5 is a schematic diagram of the inventive sliding unit rotating from a design position to a designated arc-shaped splicing platform.
Detailed Description
As shown in fig. 1-5, an in-situ concentric rotary splicing construction method for a vertical arc-shaped sliding unit comprises the following steps:
(1) firstly, determining the position and the number of arc-shaped sliding tracks 2 according to the relative relationship between a sliding structure 1 and a fixed structure 3;
(2) adjusting the radius of each arc-shaped sliding track 2 to ensure that each arc-shaped sliding track 2 shares a circle center Oo on the elevation projection, namely each track is a part of a concentric circle on the elevation projection;
(3) when the sliding structure base 8 is not overlapped with the sliding track 2, the rod piece bottom finding is carried out on the sliding structure base 8, so that the sliding track 2 is overlapped with the new sliding structure base 11 after the bottom finding, and meanwhile, the bottom finding upright rod 9 is ensured to point to the track circle center Oo;
(4) dividing the slip structure 1 into a plurality of different slip units (4, 5, 6, … …);
(5) determining a sliding direction, arranging an arc-shaped assembling platform 7 at the starting end of the sliding direction, and extending the arc-shaped sliding track 2 into the arc-shaped assembling platform 7;
(6) the sliding units (4, 5, 6, … …) (including the bottom finding rod piece 9) are respectively rotated by a specified angle theta i around the connecting line 10 of the circle centers (Oo, O ' O, O ' ') of the tracks according to the sliding sequence, and the specified sliding unit 4 is rotated to the specified arc-shaped splicing platform 7 from the design position.
(7) And extracting the node coordinates of the rotating slip unit 4 as the node coordinates during assembling.
Further, when the arc-shaped surface formed by the base 8 of the sliding structure 1 does not coincide with the arc-shaped surface formed by the top surface of the arc-shaped sliding rail 2, the bottom-finding vertical rod 9 needs to be additionally installed on the base 8 of the sliding structure 1, so that the arc-shaped surface formed by the bottom surface of the bottom-finding vertical rod 9 coincides with the arc-shaped surface formed by the top surface of the arc-shaped sliding rail 2.
The bottom-finding vertical rods 9 can be independent solid-web sections, such as round tubes, H-shaped steel and the like, and can also be lattice-type supporting frames, and the bottom-finding vertical rods 9 are reinforced by inclined struts. However, the axis of the bottom-finding vertical rod 9 must point to the center Oo (O 'O or O' O) of the arc-shaped sliding track 2 in the vertical plane of the bottom-finding vertical rod 9.
The top surface of the arc-shaped assembling platform 7 is arranged according to the radian of the top surface of the arc-shaped sliding rail 2, and is separated from the base 8 of the sliding structure 1 by a clearance of 800mm, so that the rod welding space of the sliding structure 1 is ensured.
Firstly, the first sliding unit 4 rotates by an angle theta 1 along a circle center connecting line 10, and rotates to the arc-shaped assembling platform 7 from a design position in situ to obtain a node coordinate (X, Y, Z) of the assembling stage of the first sliding unit 4, so as to guide the field assembling construction.
And after the first sliding unit 4 slides out of the arc-shaped assembling platform 7, continuing rotating the second sliding unit 5 by an angle theta 2 along the circle center connecting line 10, and rotating the second sliding unit 5 to the arc-shaped assembling platform 7 from the design position in situ to obtain a node coordinate (X, Y, Z) of the assembling stage of the second sliding unit 5, and guiding the field assembling construction.
According to the sequence of the steps, the rest sliding units (6, … …) of the sliding structure 1 are rotated by an angle theta i (i represents the ith sliding unit) along a circle center connecting line 10, and are rotated to the arc-shaped assembling platform 7 from the design position in situ to obtain node coordinates (X, Y, Z) of the assembling stage of the ith sliding unit (6, … …), and the field assembling construction is guided until the completion.
Claims (7)
1. An in-situ concentric rotary splicing construction method for a vertical face arc-shaped sliding unit is characterized by comprising the following steps of: the method comprises the following steps of (1) determining the position of an arc-shaped sliding track according to the relative relationship between a sliding structure and a fixed structure; (2) adjusting the radius of each arc-shaped sliding track to enable each arc-shaped track to share a circle center on the elevation projection, namely, each track is a part of a concentric circle on the elevation projection; (3) when the height difference exists between the sliding structure base and the sliding track, the rod piece bottom finding is carried out on the sliding structure base, so that the sliding track is overlapped with a new base after the bottom finding of the sliding structure, and meanwhile, the bottom finding upright rod at the position of the sliding shoe is ensured to point to the circle center of the track; (4) dividing the slip structure into a plurality of different slip units; (5) determining a sliding direction, arranging an arc-shaped assembling platform at the starting end of the sliding direction, and extending an arc-shaped sliding track into the platform; (6) rotating each sliding unit by an appointed angle theta i around a connecting line of the circle centers of the tracks according to the sliding sequence, and rotating the appointed sliding unit from the design position to an appointed splicing platform; (7) extracting node coordinates of the rotated sliding units as node coordinates during assembly, wherein the node coordinates are three-dimensional coordinates (X, Y, Z), taking the node three-dimensional coordinates rotated to an assembly platform as control coordinates during assembly, and further guiding assembly of the on-site sliding units; after the first sliding unit slides out of the arc-shaped assembling platform, continuing rotating the second sliding unit by an angle theta 2 along a circle center connecting line, and rotating the second sliding unit to the arc-shaped assembling platform from a design position in situ to obtain a node coordinate (X, Y, Z) of the assembling stage of the second sliding unit, and guiding the on-site assembling construction; and according to the sequence of the steps, the rest sliding units of the sliding structure are rotated by an angle theta i along a circle center connecting line, i represents the ith sliding unit, the ith sliding unit is rotated to the arc-shaped assembling platform from the design position in situ, the node coordinates (X, Y, Z) of the assembling stage of the ith sliding unit are obtained, and the field assembling construction is guided until the completion.
2. The vertical surface arc-shaped sliding unit in-situ concentric rotary splicing construction method according to claim 1, characterized in that: the elevation is with respect to the horizontal plane, i.e. the vertical plane perpendicular to the ground.
3. The vertical surface arc-shaped sliding unit in-situ concentric rotary splicing construction method according to claim 1, characterized in that: according to different sliding structure forms, at least two arc sliding tracks are arranged in the horizontal projection plane, the radius of each arc sliding track is different, the arc sliding tracks are provided with own circle centers, the circle centers are not overlapped in the horizontal projection plane, but the circle centers of all the arc sliding tracks are overlapped at the same point in the vertical projection plane.
4. The vertical surface arc-shaped sliding unit in-situ concentric rotary splicing construction method according to claim 1, characterized in that: the bottom finding vertical rods are connected to the top surfaces of the sliding tracks in the same vertical surface from the bottom of the sliding structure, the axes of the rod pieces point to the circle centers of the arc sliding tracks in the same vertical surface, and the bottom finding vertical rods form a stable whole through the horizontal rod pieces and the inclined struts.
5. The vertical surface arc-shaped sliding unit in-situ concentric rotary splicing construction method according to claim 1, characterized in that: the designated angle theta i refers to an included angle formed by a connecting line L1 between a point a on the sliding structure at the design position and the circle center o of the track in the same vertical face and a connecting line L2 between the point a on the structure at the assembly position and the circle center o of the track, the angle mark i represents the ith sliding, and the angle theta i is continuously reduced along with the sliding.
6. The vertical surface arc-shaped sliding unit in-situ concentric rotary splicing construction method according to claim 1, characterized in that: the design position refers to the position of the structural rod piece in the normal use stage after the structural design is finished.
7. The vertical surface arc-shaped sliding unit in-situ concentric rotary splicing construction method according to claim 1, characterized in that: the arc assembling platform is designed according to the radian of the arc sliding track and is used for assembling each sliding unit, the sliding units are arranged at the initial ends in the sliding direction, each sliding unit is assembled, the sliding units slide out forwards, the assembling platform starts to assemble the next sliding unit, and the like.
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| CN201910558820.5A CN110295756B (en) | 2019-06-26 | 2019-06-26 | Vertical face arc-shaped sliding unit in-situ concentric rotary splicing construction method |
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| CN201910558820.5A CN110295756B (en) | 2019-06-26 | 2019-06-26 | Vertical face arc-shaped sliding unit in-situ concentric rotary splicing construction method |
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| CN110295756B true CN110295756B (en) | 2021-12-03 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216109A (en) * | 2013-04-26 | 2013-07-24 | 江苏沪宁钢机股份有限公司 | Construction method of track gauge variation block slippage of long span spatial composite roof truss |
| CN103899097A (en) * | 2014-04-03 | 2014-07-02 | 大连久鼎特种建筑工程有限公司 | Synchronous rotating and translating track of building |
| CN104675125A (en) * | 2015-03-05 | 2015-06-03 | 中国建筑第二工程局有限公司 | Large-span roof high support supporting system with inclination angle and sliding construction method thereof |
| CN105971289A (en) * | 2016-05-04 | 2016-09-28 | 中国建筑第八工程局有限公司 | High-altitude sliding construction method for long-span curved-surface reticulated shell |
| CN107780663A (en) * | 2017-09-29 | 2018-03-09 | 浙江精工钢结构集团有限公司 | A kind of network camber line displacement accumulation slippage construction method |
-
2019
- 2019-06-26 CN CN201910558820.5A patent/CN110295756B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216109A (en) * | 2013-04-26 | 2013-07-24 | 江苏沪宁钢机股份有限公司 | Construction method of track gauge variation block slippage of long span spatial composite roof truss |
| CN103899097A (en) * | 2014-04-03 | 2014-07-02 | 大连久鼎特种建筑工程有限公司 | Synchronous rotating and translating track of building |
| CN104675125A (en) * | 2015-03-05 | 2015-06-03 | 中国建筑第二工程局有限公司 | Large-span roof high support supporting system with inclination angle and sliding construction method thereof |
| CN105971289A (en) * | 2016-05-04 | 2016-09-28 | 中国建筑第八工程局有限公司 | High-altitude sliding construction method for long-span curved-surface reticulated shell |
| CN107780663A (en) * | 2017-09-29 | 2018-03-09 | 浙江精工钢结构集团有限公司 | A kind of network camber line displacement accumulation slippage construction method |
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