CN111005322A - Temporary support and construction method for bridge - Google Patents
Temporary support and construction method for bridge Download PDFInfo
- Publication number
- CN111005322A CN111005322A CN201911418250.6A CN201911418250A CN111005322A CN 111005322 A CN111005322 A CN 111005322A CN 201911418250 A CN201911418250 A CN 201911418250A CN 111005322 A CN111005322 A CN 111005322A
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- bridge
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- temporary support
- temporary
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- 238000010276 construction Methods 0.000 title claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a temporary support for a bridge, which comprises an adjustable support and a support frame, wherein the adjustable support is positioned at the top of the support frame and is used for adjusting the horizontal height of a bridge section arranged on the temporary support. The temporary support of the bridge can accelerate the calibration speed of the bridge sections, reduce the air route closure time in bridge construction, and simultaneously can eliminate the deformation caused by uneven settlement after the bridge sections are closed. Meanwhile, the invention also provides a construction method of the bridge.
Description
Technical Field
The invention relates to the technical field of municipal bridge engineering construction, in particular to a temporary support and construction method for a bridge.
Background
The existing large-span steel structure bridge sectional positioning comprises primary positioning and accurate positioning. As shown in fig. 1, the initial positioning is performed by a crane ship, two pairs of limiting plates 3 are preset on two groups of temporary supports 1 at two ends of a bridge segment 2, the limiting plates 3 are used for limiting the position where the bridge segment 2 is to be placed, then the bridge segment 2 is moved to the right place, and the gap between the limiting plates 3 and the bridge segment 2 is controlled to be about 5-10 cm. The accurate positioning adopts a three-dimensional adjusting method, namely, under the condition that a crane ship is not hooked loose, the lifting sections are lifted and finely adjusted in the vertical direction, the transverse direction and the longitudinal direction by utilizing a movable jack, and the bridge sections 2 are accurately closed by matching with a positioning plate on each bridge section 2. In order to shorten the folding time and ensure the safety, the accurate positioning sequence is as follows: vertical adjustment, transverse adjustment and longitudinal adjustment. However, the construction method has long positioning time, increases the navigation time of the air route, and is easy to deform due to uneven settlement of the bridge after construction.
Disclosure of Invention
The invention provides a temporary support and construction method for a bridge, which is used for solving the problems that the time consumption for installing the bridge in sections is too long, the air route sealing time is prolonged, and the bridge deforms due to uneven settlement after construction in the enjoying technology.
In order to solve the technical problem, the invention provides a temporary support for a bridge, which is used for temporarily supporting bridge sections and comprises an adjustable support and a support frame, wherein the adjustable support is positioned at the top of the support frame and used for adjusting the horizontal height of the bridge sections.
Further, the number of the adjustable supports is two or more.
Furthermore, the number of the adjustable supports is even, and the adjustable supports are symmetrically arranged at the top of the support frame along the extension direction of the bridge.
Furthermore, a supporting platform is arranged between the supporting frame and the adjustable support.
Furthermore, limiting plates are mounted on the supporting platform and used for restraining the bridge sections from being mounted in the longitudinal direction and the transverse direction, the longitudinal direction refers to the extending direction of the bridge, and the transverse direction refers to the direction perpendicular to the longitudinal direction on the horizontal plane; the limiting plates comprise two first limiting plates and a second limiting plate, the first limiting plates and the second limiting plates are combined to form an I-shaped structure, the second limiting plate is located between the two first limiting plates, and the length of the second limiting plate is equal to the width of the bridge section, so that calipers at any end of the bridge section are in the I-shaped structure.
Further, the adjustable support is a jack.
The invention also provides a bridge construction method, which comprises the following steps:
s1, arranging a temporary support of the bridge at the joint of the bridge sections;
s2, hoisting the bridge segment to the top end of the temporary support, and then performing transverse and longitudinal adjustment and installation, wherein the longitudinal direction is the extending direction of the bridge, and the transverse direction is the direction perpendicular to the longitudinal direction on the horizontal plane;
and S3, carrying out vertical adjustment through the adjustable support, wherein the vertical direction refers to the direction vertical to the horizontal plane.
Further, in the step S2, before the bridge segment is hoisted, a limiting plate is installed on the supporting platform.
Further, before the step of S2, the adjustable support adjusts the height of the temporary support by a predetermined height.
Further, the method also includes step S4: and during the bridge maintenance, measuring the settlement condition of the bridge sections, and adjusting the heights of the adjustable supports according to the settlement condition to prevent the bridge sections from settling.
Therefore, the invention provides a temporary support of a bridge and a construction method, wherein an adjustable support is arranged at the top of the temporary support and used for adjusting the horizontal height of a bridge section arranged on the temporary support, the vertical height of the bridge can be adjusted after the bridge section is hoisted, the deformation of the bridge caused by uneven settlement is compensated, the integral bridge type of the bridge is controlled, the hook releasing time of hoisting equipment is accelerated, and the flight path closure time is reduced.
Drawings
FIG. 1 is a top view of a temporary support for a bridge according to the prior art;
FIG. 2 is a front view of a temporary support (without limiting plates) of a bridge according to an embodiment of the invention;
FIG. 3 is a side view of the temporary support (without limiting plates) of the bridge shown in FIG. 2;
FIG. 4 is a top view of the temporary support (including the limiting plates) of the bridge shown in FIG. 2;
in fig. 1, 1-temporary support, 2-bridge segment, 3-limiting plate;
in fig. 2-4, 11-support frame, 12-adjustable support, 13-support platform, 141-first limit plate, 142-second limit plate.
Detailed Description
The temporary support and construction method for a bridge according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Fig. 2 is a schematic structural diagram of a temporary bridge support according to an embodiment of the present invention. The temporary support for the bridge, provided by the invention, is used for temporarily supporting bridge sections and comprises a support frame 11 and an adjustable support 12, wherein the adjustable support 12 is arranged at the top end of the support frame 11, and the horizontal height of the adjustable support 12 can be adjusted so as to adjust the height of the bridge sections arranged on the temporary support for the bridge.
Further, the number of the adjustable supports 12 is two or more, as shown in fig. 4, the number of the adjustable supports 12 is 8 in the embodiment.
Referring to fig. 3 and 4, the number of the adjustable supports 12 is even, and the adjustable supports are symmetrically arranged on the top of the support frame 11 along the extension direction of the bridge, and are used for supporting the bridge segments.
Meanwhile, a supporting platform 13 is arranged between the supporting frame 11 and the adjustable support 12.
Further, limiting plates are mounted on the supporting platform 13, and are used for restricting the bridge segments from being mounted in a longitudinal direction and a transverse direction, the longitudinal direction refers to an extending direction of the bridge, and the transverse direction refers to a direction perpendicular to the longitudinal direction on a horizontal plane.
Further, the number of the limiting plates is three. Referring to fig. 4, the limiting plates include two first limiting plates 141 and one second limiting plate 142, the first limiting plate 141 and the second limiting plate 142 are combined to form an i-shaped structure, wherein the second limiting plate 142 is located between the two first limiting plates 141, and the length of the second limiting plate 142 is equal to the width of the bridge segment, so that any end of the bridge segment can be clamped in the i-shaped structure.
The adjustable support 12 in this embodiment may be a jack structure, similar to a jack commonly used in the prior art, and the detailed structure is not described in this specification. Of course, the adjustable support 12 may also be other telescopic rods and other devices capable of adjusting the height, and this embodiment is not described in detail.
In addition, the embodiment of the invention also provides a bridge construction method, which comprises the following steps:
s1, establishing temporary supports of the bridge in the embodiment at the joints of the bridge sections;
s2, hoisting the bridge segment to the top end of the temporary support, and performing transverse and longitudinal adjustment and installation;
and S3, adjusting the vertical direction through the adjustable support 12.
Further, in the step S2, before the bridge segment is hoisted, limiting plates are installed on the supporting platform 13, and the limiting plates include two first limiting plates 141 and one second limiting plate 142.
Further, before the step of S2, the adjustable support 12 adjusts the height of the temporary support by a predetermined height.
Further, the bridge construction method of the embodiment further includes step S4: during the maintenance of the bridge, the settlement condition of the bridge sections is measured, and the height of the adjustable support 12 is adjusted according to the settlement condition so as to prevent the bridge sections from settling.
In summary, the invention provides a temporary support for a bridge and a construction method, wherein an adjustable support is arranged at the top of the temporary support to adjust the horizontal height of a bridge segment mounted on the temporary support, the vertical height of the bridge can be adjusted after the bridge segment is hoisted, the deformation of the bridge due to uneven settlement is compensated, the integral bridge shape of the bridge is controlled, the hook releasing time of hoisting equipment is accelerated, and the flight path closure time is reduced.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example" or "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. And the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The temporary support for the bridge is used for temporarily supporting bridge sections and is characterized by comprising an adjustable support and a support frame, wherein the adjustable support is positioned at the top of the support frame and used for adjusting the horizontal height of the bridge sections.
2. The temporary support for a bridge of claim 1, wherein the number of said adjustable supports is two or more.
3. Temporary support for a bridge according to claim 2, characterized in that said adjustable supports are even in number and are symmetrically mounted on top of said support frame along the extension direction of the bridge.
4. A temporary support for a bridge as claimed in claim 1, wherein a support platform is provided between said support frame and said adjustable support.
5. The temporary support for the bridge of claim 4, wherein the support platform is provided with a limiting plate for limiting the installation of the bridge segment in a longitudinal direction and a transverse direction, the longitudinal direction is the extending direction of the bridge, and the transverse direction is the direction perpendicular to the longitudinal direction on a horizontal plane; the limiting plates comprise two first limiting plates and a second limiting plate, the first limiting plates and the second limiting plates are combined to form an I-shaped structure, the second limiting plate is located between the two first limiting plates, and the length of the second limiting plate is equal to the width of the bridge section, so that calipers at any end of the bridge section are in the I-shaped structure.
6. Temporary support for a bridge according to claim 1, wherein said adjustable support is a jack.
7. A bridge construction method is characterized by comprising the following steps:
s1, establishing temporary supports of the bridge of any one of claims 1 to 6 at the joints of the bridge sections;
s2, hoisting the bridge segment to the top end of the temporary support, and then performing transverse and longitudinal adjustment and installation, wherein the longitudinal direction is the extending direction of the bridge, and the transverse direction is the direction perpendicular to the longitudinal direction on the horizontal plane;
and S3, carrying out vertical adjustment through the adjustable support, wherein the vertical direction refers to the direction vertical to the horizontal plane.
8. The bridge construction method according to claim 7, wherein in the step S2, a limiting plate is installed on the supporting platform before the bridge is hoisted.
9. The bridge construction method according to claim 7, wherein the adjustable support adjusts the height of the temporary support by a predetermined height before the step of S2.
10. The bridge construction method according to claim 7, further comprising step S4: and during the bridge maintenance, measuring the settlement condition of the bridge sections, and adjusting the heights of the adjustable supports according to the settlement condition to prevent the bridge sections from settling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911418250.6A CN111005322A (en) | 2019-12-31 | 2019-12-31 | Temporary support and construction method for bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911418250.6A CN111005322A (en) | 2019-12-31 | 2019-12-31 | Temporary support and construction method for bridge |
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| Publication Number | Publication Date |
|---|---|
| CN111005322A true CN111005322A (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911418250.6A Pending CN111005322A (en) | 2019-12-31 | 2019-12-31 | Temporary support and construction method for bridge |
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| CN (1) | CN111005322A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007031963A (en) * | 2005-07-22 | 2007-02-08 | Ps Mitsubishi Construction Co Ltd | Bridge girder erection structure |
| JP2009209574A (en) * | 2008-03-04 | 2009-09-17 | Ihi Corp | Erection method and erection structure of bridge |
| KR20100073881A (en) * | 2008-12-23 | 2010-07-01 | (주)씨씨엘 코리아 | Dummy bearing for bridge using sand and upper structure of bridge supporting method thterewith |
| CN102383375A (en) * | 2011-08-10 | 2012-03-21 | 中国十九冶集团有限公司 | Construction method for quickly mounting large steel bridge on urban main road |
| KR20130042721A (en) * | 2011-10-19 | 2013-04-29 | 김중용 | Concrete filling apparatus using temporary bridge |
| CN203222738U (en) * | 2013-05-07 | 2013-10-02 | 中铁十局集团第二工程有限公司 | Steel pipe latticed column temporary buttress supporting device |
| CN206143645U (en) * | 2016-10-28 | 2017-05-03 | 中铁二十四局集团安徽工程有限公司 | Stride across navigable river ultra -large -span girder steel assembling support |
| CN206346118U (en) * | 2016-11-30 | 2017-07-21 | 安徽省公路桥梁工程有限公司 | A kind of large-span steel pipe truss beam falsework |
| CN109162158A (en) * | 2018-09-17 | 2019-01-08 | 中国建筑第八工程局有限公司 | The adjusting method and system of track girder assembly |
| CN208362925U (en) * | 2018-05-07 | 2019-01-11 | 王永林 | A kind of bridge construction support device |
| CN208949727U (en) * | 2018-09-05 | 2019-06-07 | 中交路桥华南工程有限公司 | Girder bracket |
| CN110241728A (en) * | 2019-04-19 | 2019-09-17 | 中铁科工集团轨道交通装备有限公司 | Temporary support structure of steel girders spanning existing lines and construction method of steel girders |
-
2019
- 2019-12-31 CN CN201911418250.6A patent/CN111005322A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007031963A (en) * | 2005-07-22 | 2007-02-08 | Ps Mitsubishi Construction Co Ltd | Bridge girder erection structure |
| JP2009209574A (en) * | 2008-03-04 | 2009-09-17 | Ihi Corp | Erection method and erection structure of bridge |
| KR20100073881A (en) * | 2008-12-23 | 2010-07-01 | (주)씨씨엘 코리아 | Dummy bearing for bridge using sand and upper structure of bridge supporting method thterewith |
| CN102383375A (en) * | 2011-08-10 | 2012-03-21 | 中国十九冶集团有限公司 | Construction method for quickly mounting large steel bridge on urban main road |
| KR20130042721A (en) * | 2011-10-19 | 2013-04-29 | 김중용 | Concrete filling apparatus using temporary bridge |
| CN203222738U (en) * | 2013-05-07 | 2013-10-02 | 中铁十局集团第二工程有限公司 | Steel pipe latticed column temporary buttress supporting device |
| CN206143645U (en) * | 2016-10-28 | 2017-05-03 | 中铁二十四局集团安徽工程有限公司 | Stride across navigable river ultra -large -span girder steel assembling support |
| CN206346118U (en) * | 2016-11-30 | 2017-07-21 | 安徽省公路桥梁工程有限公司 | A kind of large-span steel pipe truss beam falsework |
| CN208362925U (en) * | 2018-05-07 | 2019-01-11 | 王永林 | A kind of bridge construction support device |
| CN208949727U (en) * | 2018-09-05 | 2019-06-07 | 中交路桥华南工程有限公司 | Girder bracket |
| CN109162158A (en) * | 2018-09-17 | 2019-01-08 | 中国建筑第八工程局有限公司 | The adjusting method and system of track girder assembly |
| CN110241728A (en) * | 2019-04-19 | 2019-09-17 | 中铁科工集团轨道交通装备有限公司 | Temporary support structure of steel girders spanning existing lines and construction method of steel girders |
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Application publication date: 20200414 |
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| RJ01 | Rejection of invention patent application after publication |