CN111379424A - Anti-overturning device and method for planar structure sliding construction - Google Patents
Anti-overturning device and method for planar structure sliding construction Download PDFInfo
- Publication number
- CN111379424A CN111379424A CN202010172644.4A CN202010172644A CN111379424A CN 111379424 A CN111379424 A CN 111379424A CN 202010172644 A CN202010172644 A CN 202010172644A CN 111379424 A CN111379424 A CN 111379424A
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- truss
- overturning
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- sliding
- auxiliary device
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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
- 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
- E04G21/16—Tools or apparatus
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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
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses an assembled anti-overturning temporary auxiliary device and method, which are used for being arranged on a truss/beam before the truss/beam slides and preventing the truss/beam from overturning in the sliding process. The assembly type anti-overturning temporary auxiliary device consists of a group of stabilizer bars and short columns which are respectively arranged at the front and the rear of a sliding truss/beam, wherein one end of each stabilizer bar is fixedly connected with the truss/beam, the other end of each stabilizer bar is welded with the corresponding short column, the short columns are supported on a sliding track, and a sliding block is arranged between the short columns and the sliding track; the distance L between the centerline of each stub and the truss/beam centerline is greater than or equal to 0.5 times the cross-sectional height H of the truss/beam. When the device is used, the device is installed before the structure to be slipped starts to slip, and the device is dismantled after the overturning risk of the structure to be slipped is eliminated.
Description
Technical Field
The invention relates to an anti-overturning temporary auxiliary device, in particular to an assembled temporary auxiliary device and an assembled temporary auxiliary method for preventing a truss/beam isoplanar structure from overturning in sliding construction.
Background
The mechanization, automation and informatization degree of building construction are one of the important marks of national or regional building science and technology level. The mechanized construction is also an effective way for changing labor-intensive and extensive construction modes of traditional building production, improving engineering quality and coping with the continuous rise of labor cost. For example, for steel structure construction under the conditions that horizontal transportation of a construction site is limited and installation and use of hoisting machinery or vertical transportation equipment are limited, a technical scheme of sliding construction is often adopted, so that the construction operation environment can be greatly improved, the construction efficiency, the construction quality and the safety are improved, the construction period is shortened, and the engineering cost is saved.
However, in the existing sliding construction method, the structure to be slid generally needs to be slid unit by unit or block by block, and when the first truss/beam is slid, because the truss/beam is generally of a plane structure, an anti-overturning device needs to be arranged for the truss/beam, so that the stability of the truss/beam in the sliding process is ensured.
Disclosure of Invention
In order to solve the problems, the invention provides an anti-overturning temporary auxiliary device for a sliding truss/beam in sliding construction, which avoids the truss/beam from overturning in the sliding process and ensures the stability and safety in the sliding construction.
The assembled temporary anti-overturning auxiliary device comprises two groups of stabilizer bars and short columns, wherein the stabilizer bars and the short columns are arranged on a truss/beam before the truss/beam slides, one group of stabilizer bars and one group of short columns are respectively arranged in front of and behind the advancing direction of the sliding truss/beam, and the stabilizer bars in each group of stabilizer bars and short columns are fixed with a connecting plate on a web member of the truss/beam at one end close to the truss/beam and are welded with the short columns in the same group at one end far away from the truss/beam;
the short column in every group stabilizer bar and short column is in the same place with the welding of group stabilizer bar on its top, and the bottom supports on the track that slides, and is provided with the slider between short column and the track that slides for short column can be gone forward smoothly on the track that slides.
The distance L between the center line of each short column and the center line of the truss/beam is more than or equal to 0.5 times of the section height H of the truss/beam, so that the fabricated anti-overturning temporary auxiliary device can prevent the truss/beam from overturning in the advancing process.
According to one aspect of the invention, the stabilizer bar and the stub are formed by welding steel sections or steel plates.
According to one aspect of the invention, the stabilizer bar is fixed to the truss/girder web by its web near one end of the truss/girder.
According to one aspect of the invention, the stabilizer bar and the truss/girder are fixed by bolts, so that the fabricated anti-overturning temporary auxiliary device can be installed when needed and removed when not needed.
According to one aspect of the invention, the connecting plates are welded together with the web members of the truss/girder through the stiffening plates, so that the connecting strength is improved.
According to one aspect of the invention, the sliding block is made of a steel key block or welded by steel plates.
According to one aspect of the invention, the track is made of channel steel, and the slider between the truss/beam and the glide track is arranged in the channel of the track.
According to one aspect of the invention, a plurality of lateral baffles are welded to both sides of the rail along the length direction of the rail.
According to one aspect of the invention, the fabricated anti-overturning temporary auxiliary device is arranged along a center line of the sliding track.
According to one aspect of the invention, a sliding block is arranged between the assembled anti-overturning temporary auxiliary device and the sliding rail so as to ensure smooth relative sliding between the assembled anti-overturning temporary auxiliary device and the sliding rail. And installing a first group of hydraulic lifters on the sliding main truss/beam and pushing the sliding main truss/beam to a preset position.
During the sliding construction, firstly, the truss/beam to be slid is assembled, then the assembled anti-overturning temporary auxiliary device is arranged on the truss/beam before the truss/beam is pushed by the hydraulic ejector to slide along the sliding direction, and then the truss/beam is slid. After the truss/beam is slid in place, the assembled anti-overturning temporary auxiliary device can be detached after the truss/beam is fixed or installed so that the truss/beam cannot overturn in the sliding direction.
When the temporary auxiliary device is applied to accumulated sliding construction, a first truss/beam is assembled, and then the assembled anti-overturning temporary auxiliary device is installed on the truss/beam and slides before the first truss/beam is pushed by a hydraulic ejector to slide along the sliding direction. After the truss/beam is slipped in place, the first truss/beam and the second truss/beam are spliced into a whole by using the secondary truss/beam, so that the first truss/beam cannot be overturned in the slipping direction, and then the assembly type anti-overturning temporary auxiliary device can be detached.
The assembled temporary anti-overturning auxiliary device ensures that the truss/beam can stably advance in the sliding process, and improves the construction safety; the auxiliary device is fixed to the truss/beam through bolts, so that the installation is quick and the dismounting is convenient; furthermore, the aid can also be repeatedly applied to other similar truss structures.
Drawings
Fig. 1 is a schematic plan view of a truss/beam of a structure to be slipped according to the invention;
FIG. 2 is an assembled view of the fabricated anti-rollover temporary aid according to the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a cross-sectional view B-B of FIG. 2;
FIG. 5 is a second embodiment according to the present invention;
fig. 6 is a third embodiment according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are further described below with reference to the accompanying drawings.
Fig. 1 shows a schematic plan view of a first truss/beam 21 of a structure to be slipped according to the present invention; the bottom of the truss/girder 21 is provided with a sliding block 81, and the truss/girder 21 can slide on the sliding track through the sliding block 81.
Fig. 2 shows the fabricated anti-overturning temporary auxiliary device 3 disposed forward and rearward in the traveling direction of the skidding truss/girder 21 before the initial skidding of the truss/girder 21 is performed.
As shown in fig. 2, the fabricated anti-overturning temporary auxiliary device 3 is formed by welding two sets of stabilizer bars 31 and short columns 32 arranged in front and rear of the truss/beam 21, and the stabilizer bars 31 and the short columns 32 can be formed by welding section steel or steel plates. In this embodiment, the stabilizer bar 31 is made of i-steel, the stabilizer bar 31 is fixed to the connecting plate 15 on the web of the truss/beam 21 at the end near the truss/beam 21 through its web, in this embodiment, the stabilizer bar 31 and the truss/beam are fixed through the bolt 16, and the connecting plate 15 is welded to the web of the truss/beam 21 through the stiffener plate 14, but in a specific operation, other fixing methods may be used.
The other end of the stabilizer bar 31 is welded with the top end of the short column 32, the bottom end of the short column 32 is supported on the sliding track 5, and can slide on the sliding track 5 through a sliding block 17 arranged between the short column 32 and the sliding track 5, and the sliding block 17 can be made of a steel key block or welded by steel plates. In this way, smooth sliding of the truss/girder and the temporary anti-overturning auxiliary device 3 on the slip rail can be ensured by the slider 81 provided between the truss/girder 21 and the slip rail and the slider 17 provided between the stub 32 and the slip rail 5.
The distance L from the center line of the stub 32 to the center line of the sliding main girder/beam 21 should not be less than 0.5 times the height H of the cross section of the sliding main girder/beam 21.
Fig. 3 is a cross-sectional view of the temporary overturn-resisting aid 3 of fig. 2 taken along a-a, and as shown, the rail 5 is mounted on the rail beam support structure 4, and in this embodiment, the rail 5 is made of channel steel, and a plurality of side baffles 20 are welded to both sides of the rail 5 along the length direction thereof. The slide 81 is arranged in a groove in the rail 5 and between the girder/beam 21 and the rail 5.
Fig. 4 is a cross-sectional view of the temporary anti-overturn aid 3 of fig. 2 taken along B-B, and as shown, the truss/girder 21 is perpendicular to and travels along the slip track 5.
After the truss/girder 21 is slipped in place, the fabricated anti-overturning temporary auxiliary device 3 can be removed after the truss/girder 21 is fixed or installed so that it does not overturn in the slipping direction.
In another embodiment of the present invention, the fabricated anti-overturn temporary assisting device 3 is applied to the accumulated slip construction. In this embodiment, the head truss/girder is first assembled, and then the fabricated anti-overturning temporary auxiliary device according to the present invention is mounted on the truss/girder before the head truss/girder is pushed by the hydraulic ejector to slide in the sliding direction, and then the sliding is performed. After the truss/beam is slipped in place, the first truss/beam and the second truss/beam are spliced into a whole by using the secondary truss/beam, so that the first truss/beam cannot be overturned in the slipping direction, and then the assembly type anti-overturning temporary auxiliary device 3 can be detached.
In one embodiment of the invention, the fabricated anti-overturning temporary auxiliary device 3 is arranged along the center line of the sliding rail 5.
After the truss/beam 21 which is slid separately and another structure, for example, the next truss/beam are connected integrally, the fabricated anti-overturning temporary auxiliary device 3 provided on the truss/beam 21 can be removed.
Fig. 5 shows a second embodiment according to the present invention, which shows that for the case that the height of the truss 21 is high, the included angle between the stabilizer bar 31 and the short column 32 can be adjusted to be greater than 90 °, so that the supporting point of the stabilizer bar 31 on the truss 21 is higher, which is beneficial to improving the stability of the truss 21 during the sliding construction.
Fig. 6 shows a third embodiment of the present invention, if the truss 21 is structured without a straight web member at the slide rail for connecting the stabilizer bar 31, the stabilizer bar 31 may be arranged at an angle of less than 90 ° with respect to the short column 32, and the stabilizer bar is connected with the lower chord of the truss 21, so as to realize stable support of the truss.
Claims (10)
1. An assembled temporary auxiliary device for anti-overturning is arranged on a truss/beam before the truss/beam slides, and is characterized in that the truss/beam is provided with a support frame;
the assembly type anti-overturning temporary auxiliary device comprises two groups of stabilizing rods and short columns which are respectively arranged in the front and back of the advancing direction of the sliding truss/beam;
each stabilizer bar is fixedly connected with a connecting plate on the truss/beam at one end close to the truss/beam and is welded with the short columns in the same group at one end far away from the truss/beam;
each short column is welded with the same group of stabilizing bars at the top end, and the bottom end is supported on the sliding track;
a sliding block is arranged between each short column and the sliding track;
the distance L between the center line of each short column and the center line of the truss/beam is more than or equal to 0.5 times of the cross-sectional height H of the truss/beam.
2. The fabricated anti-overturning temporary assisting device according to claim 1, wherein the stabilizer bar and the short column are formed by welding using section steel or steel plates.
3. The fabricated anti-overturning temporary auxiliary device according to claim 2, wherein the stabilizer bar is connected and fixed with a connecting plate on the truss/beam through a web thereof at one end close to the truss/beam.
4. The fabricated anti-overturning temporary assistance device according to claim 1, wherein the stabilizer bar and the truss/girder are fixed by bolts.
5. The fabricated anti-overturning temporary assistance device according to claim 3, wherein the connection plate is welded on the truss/beam.
6. The fabricated anti-overturning temporary auxiliary device according to claim 1, wherein the sliding block is made of a steel key block or welded by a steel plate.
7. The fabricated anti-overturning temporary assistance device according to claim 1, wherein the rail is made of channel steel, and lateral baffles are welded to both sides of the rail along the length direction thereof.
8. The fabricated anti-overturn temporary assisting device according to claim 1, wherein the fabricated anti-overturn temporary assisting device is arranged along a center line of a sliding track.
9. An anti-overturning method for planar structure sliding construction, characterized in that before a structure to be slid slides, the fabricated anti-overturning temporary auxiliary device according to any one of claims 1 to 8 is installed in front of and behind the sliding direction of the structure to be slid.
10. An anti-overturning method for the sliding construction of the plane structure according to claim 9, wherein the assembled anti-overturning temporary auxiliary device is removed after the structure to be slid is slid in place and no overturning occurs.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNPCT/CN2020/077990 | 2020-03-05 | ||
| CNPCT/CN2020/077943 | 2020-03-05 | ||
| PCT/CN2020/077943 WO2021174481A1 (en) | 2020-03-05 | 2020-03-05 | Construction method for accumulative sliding of single-side subsection orbital transfer of unequal-span structure |
| PCT/CN2020/077990 WO2021174486A1 (en) | 2020-03-05 | 2020-03-05 | Construction method employing segmented-track switching and accumulative sliding for unequal-span structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111379424A true CN111379424A (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010172644.4A Pending CN111379424A (en) | 2020-03-05 | 2020-03-12 | Anti-overturning device and method for planar structure sliding construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111379424A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111923207A (en) * | 2020-08-04 | 2020-11-13 | 中铁大桥局上海工程有限公司 | Prefabricated stand column storage overturn-preventing construction device and construction method thereof |
| CN111927107A (en) * | 2020-07-30 | 2020-11-13 | 广州珠江建设发展有限公司 | Steel structure roof truss sliding construction method |
| CN112894743A (en) * | 2021-01-15 | 2021-06-04 | 山东大学 | Concrete precast T roof beam antidumping device |
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| GB1087160A (en) * | 1963-11-05 | 1967-10-11 | Texas Industries Inc | Improvements in or relating to constructional assemblies for use in buildings |
| CN200964696Y (en) * | 2006-11-01 | 2007-10-24 | 北京城建集团有限责任公司 | Steel structure slippage tree-shape support |
| CN203961317U (en) * | 2013-12-18 | 2014-11-26 | 中建八局大连建设工程有限公司 | Slip list Pin and many truss structures moulding bed |
| CN204728720U (en) * | 2015-06-08 | 2015-10-28 | 浙江精工钢结构集团有限公司 | A kind of single Pin sliding assembly of inverted triangle truss |
| CN106545172A (en) * | 2016-11-10 | 2017-03-29 | 中冶建工集团有限公司 | A kind of installation method of high-altitude long-span steel truss |
| JP6169155B2 (en) * | 2015-11-30 | 2017-07-26 | 仁村 優治 | Mobile trolley device |
| CN207110478U (en) * | 2017-08-09 | 2018-03-16 | 中建三局安装工程有限公司 | A kind of servicing unit for Length discrepancy truss sliding construction |
-
2020
- 2020-03-12 CN CN202010172644.4A patent/CN111379424A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1087160A (en) * | 1963-11-05 | 1967-10-11 | Texas Industries Inc | Improvements in or relating to constructional assemblies for use in buildings |
| CN200964696Y (en) * | 2006-11-01 | 2007-10-24 | 北京城建集团有限责任公司 | Steel structure slippage tree-shape support |
| CN203961317U (en) * | 2013-12-18 | 2014-11-26 | 中建八局大连建设工程有限公司 | Slip list Pin and many truss structures moulding bed |
| CN204728720U (en) * | 2015-06-08 | 2015-10-28 | 浙江精工钢结构集团有限公司 | A kind of single Pin sliding assembly of inverted triangle truss |
| JP6169155B2 (en) * | 2015-11-30 | 2017-07-26 | 仁村 優治 | Mobile trolley device |
| CN106545172A (en) * | 2016-11-10 | 2017-03-29 | 中冶建工集团有限公司 | A kind of installation method of high-altitude long-span steel truss |
| CN207110478U (en) * | 2017-08-09 | 2018-03-16 | 中建三局安装工程有限公司 | A kind of servicing unit for Length discrepancy truss sliding construction |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927107A (en) * | 2020-07-30 | 2020-11-13 | 广州珠江建设发展有限公司 | Steel structure roof truss sliding construction method |
| CN111923207A (en) * | 2020-08-04 | 2020-11-13 | 中铁大桥局上海工程有限公司 | Prefabricated stand column storage overturn-preventing construction device and construction method thereof |
| CN112894743A (en) * | 2021-01-15 | 2021-06-04 | 山东大学 | Concrete precast T roof beam antidumping device |
| CN112894743B (en) * | 2021-01-15 | 2022-07-12 | 山东大学 | Concrete prefabricated T roof beam antidumping device |
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Application publication date: 20200707 |
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