CN112482233A - Supporting device for temporary support for bent cap construction and construction method thereof - Google Patents
Supporting device for temporary support for bent cap construction and construction method thereof Download PDFInfo
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- CN112482233A CN112482233A CN202011398663.5A CN202011398663A CN112482233A CN 112482233 A CN112482233 A CN 112482233A CN 202011398663 A CN202011398663 A CN 202011398663A CN 112482233 A CN112482233 A CN 112482233A
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- 238000010276 construction Methods 0.000 title claims abstract description 67
- 238000004064 recycling Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 5
- 238000010008 shearing Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a supporting device of a temporary bracket for bent cap construction and a construction method thereof, belonging to the technical field of bridge construction. The encircling connecting member is detachably connected with the horizontal support rod through a clamping groove, an annular connecting bolt and a connecting bolt, the vertical support column and the encircling connecting member are connected through the vertical connecting bolt and a sleeve, devices such as a cast-in-place construction template of the bent cap are arranged on the vertical support column, and the construction load of the bent cap, the load of the temporary facility, the dead weight of the bent cap and the like are transmitted to the bridge pier through the vertical support column, the encircling connecting member and the horizontal support rod. The bent cap construction device designed by the invention has the advantages of high shear bearing capacity, high overturn bearing capacity, convenience and safety in construction, high construction efficiency, high recycling rate, stable construction quality and the like.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to a supporting device of a temporary support for bent cap construction and a construction method thereof.
Background
The existing cast-in-place construction of the bent cap is usually carried out by a steel bar method and a hoop method. The steel bar method is characterized in that a columnar steel structure (such as a steel bar) penetrates into a reserved hole of a pier, a bent cap construction template is arranged on the columnar steel structure through vertical columnar supports (the vertical columnar supports comprise I-shaped steel, round steel, a jack and the like) on two sides and bolt spot welding, and bent cap construction load, temporary facility load, bent cap self-weight and the like are transmitted to a bridge pier through the columnar steel structure. The hoop method is characterized in that two semicircular steel hoops with certain thicknesses are adopted, the steel hoops are fixed at proper positions of bridge pier columns through high-strength bolts, the construction load of the bent cap, the load of temporary facilities, the dead weight of the bent cap and the like are applied to a bracket of the steel hoops, and the vertical friction force generated at the contact surface of the steel hoops and the bridge pier columns is born.
In the steel bar method, because the connection form of the vertical support and the horizontal steel bar is spot welding, the shearing resistance bearing capacity and the overturning resistance bearing capacity of the steel bar are weaker, and the spot welding joint can bear larger shearing stress due to small eccentricity in the construction process, so that the spot welding joint is damaged by shearing, and the construction safety is not facilitated. And the traditional steel bar method is difficult to construct, the requirement on the quality of spot welds is high, and higher requirements are provided for the technical level of welding workers. In addition, the recyclable utilization rate of the construction equipment is low, and the green construction concept is not satisfied.
In the staple bolt method, the vertical frictional force that steel hoop and pier stud contact surface department produced undertakes load such as bent cap construction load, interim facility load, bent cap dead weight, but in the work progress, frictional force between steel hoop and the pier stud can lead to pier stud surface impaired, influences the outward appearance of structure. And the vertical easy displacement that produces of hoop in the work progress moreover leads to the bent cap template to shift, influences bent cap construction quality.
Therefore, the supporting device for the temporary bracket for the bent cap construction, which is shear-resistant, overturn-resistant and recyclable, is designed, and plays an important role in improving the construction quality of the bent cap, shortening the construction period and improving the construction safety.
Disclosure of Invention
The invention aims to provide a supporting device of a temporary bracket for capping beam construction and a construction method thereof, which aim to solve the technical problem.
Therefore, the invention provides a supporting device of a temporary bracket for capping beam construction, which comprises:
the horizontal support rod is horizontally provided with a bolt hole along the radial direction, and the top of the horizontal support rod is provided with a groove;
the top of the encircling connecting component is connected with a vertical connecting bolt, the bottom of the encircling connecting component is provided with a U-shaped groove matched with the horizontal supporting rod, the top of the U-shaped groove is connected with an annular connecting bolt matched with the groove, the side wall of the U-shaped groove is provided with a bolt hole in a through mode, the annular connecting bolt is inserted into the groove, and the connecting bolt penetrates through the bolt hole in the encircling connecting component and the bolt hole in the horizontal supporting rod so as to detachably connect the encircling connecting component and the horizontal supporting rod;
and the bottom of the vertical supporting rod is provided with a sleeve matched with the vertical connecting bolt.
Preferably, embrace the connecting elements including embracing the post and connecting at the connecting plate of embracing the post top, the both sides of connecting plate surpass to embrace the post, the U-shaped groove is seted up in the bottom of embracing the post, vertical connecting bolt connects the top at the connecting plate.
Preferably, the U-shaped groove has a semicircular cross section.
Preferably, the bolt holes on the horizontal support rod are arranged at intervals along the horizontal direction, and the grooves are symmetrically arranged along the side wall of the horizontal support rod.
Preferably, the groove is opened along the axial direction of the horizontal support rod.
Preferably, the grooves are arranged at intervals along the axial direction of the horizontal support rod.
Preferably, the horizontal support rod and the vertical support rod are both steel bars.
Preferably, the circumferential connection bolt is a plate-shaped structure.
In addition, the invention also provides a construction method of the supporting device of the temporary bracket for the bent cap construction, which comprises the following steps:
step one, pre-burying a pipeline along the radial direction of a bridge pier column as a reserved pore channel of a horizontal support rod during construction of the bridge pier column, and pulling out the pipeline when the strength of the bridge pier column meets the design requirement;
inserting the horizontal support rod into the reserved hole channel;
inserting an annular connecting bolt of the encircling connecting member into a groove of the horizontal supporting rod, and connecting the encircling connecting member and the horizontal supporting rod by a connecting bolt penetrating through a bolt hole in the encircling connecting member and a bolt hole in the horizontal supporting rod;
step four, inserting the sleeve of the vertical supporting rod into the vertical connecting bolt;
step five, repeating the step two to the step four, mounting the supporting device on a bridge pier column, erecting a temporary support for capping beam construction on a vertical supporting rod, and performing capping beam concrete pouring;
and step six, when the concrete strength of the bent cap reaches the design requirement, removing the temporary support and the template, sequentially removing the vertical support rod, the connecting bolt, the encircling connecting member and the horizontal support rod, and recycling the vertical support rod, the connecting bolt, the encircling connecting member and the horizontal support rod, so as to construct the next bent cap.
Preferably, the diameter of the horizontal support rod is 1 cm-2 cm smaller than that of the reserved hole channel.
Compared with the prior art, the invention has the characteristics and beneficial effects that: in the supporting device of the temporary bracket for the bent cap construction, the encircling connecting member is detachably connected with the horizontal supporting rod through the clamping groove, the annular connecting bolt and the connecting bolt, the vertical supporting column is connected with the encircling connecting member through the vertical connecting bolt and the sleeve, devices such as a bent cap cast-in-place construction template and the like are arranged on the vertical supporting column, and the bent cap construction load, the temporary facility load, the bent cap dead weight and the like are transmitted to a bridge pier column through the vertical supporting column, the encircling connecting member and the horizontal supporting rod. The bent cap construction device designed by the invention has the advantages of high shear bearing capacity, high overturn bearing capacity, convenience and safety in construction, high construction efficiency, high recycling rate, stable construction quality and the like.
Drawings
Fig. 1 is a construction view of a supporting device of a temporary bracket for capping beam construction.
Fig. 2 is a schematic diagram of the burst of the supporting device of the temporary support for the capping beam construction.
Fig. 3 is a schematic view of a horizontal support bar.
FIG. 4 is a first schematic view of the encircling connecting member.
Fig. 5 is a second schematic view of the encircling connecting member.
Fig. 6 is a schematic view of a vertical support bar.
The attached drawings are marked as follows: 1-horizontal supporting rod, 2-encircling connecting member, 21-encircling column, 22-connecting plate, 3-vertical supporting rod, 4-groove, 5-U-shaped groove, 6-annular connecting bolt, 7-connecting bolt, 8-vertical connecting bolt, 9-sleeve and 10-bridge pier column.
Detailed Description
In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention is further described below.
The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 6, a supporting device for a temporary support for a bent cap construction includes a horizontal supporting rod 1, an encircling connecting member 2 and a vertical supporting rod 3.
The horizontal support rod 1 is provided with bolt holes along the radial direction, and the top of the horizontal support rod 1 is provided with a groove 4. The bolt holes on the horizontal support bar 1 are preferably spaced apart in the horizontal direction. The grooves 4 are arranged at intervals along the axial direction of the horizontal support rod 1. The grooves 4 are preferably symmetrically arranged along the side walls of the horizontal support bar 1. The horizontal support bar 1 is preferably a steel bar.
The top welded connection who embraces connecting elements 2 has vertical connecting bolt 8, the bottom of embracing connecting elements 2 set up with 1 complex U-shaped groove 5 of horizontal support bar, 5 tops in U-shaped groove be connected with 4 complex hoop connecting bolt 6 of slot, the lateral wall of U-shaped groove 5 link up and has seted up the bolt hole, hoop connecting bolt 6 inserts in slot 4, connecting bolt 7 passes the bolt hole of embracing on connecting elements 2 and the bolt hole on the horizontal support bar 1, and then will embrace connecting elements 2 and horizontal support bar 1 and can dismantle the connection. Specifically, embrace connecting elements 2 including embracing post 21 and connecting at the connecting plate 22 of embracing post 21 top, the both sides of connecting plate 22 surpass embracing post 21, and U-shaped groove 5 is seted up in the bottom of embracing post 21, and vertical connecting bolt 8 is connected at the top of connecting plate 22. The U-shaped channel 5 is preferably semicircular in cross-section. The circumferential connecting peg 6 is preferably of plate-like construction. The connecting bolt 7 is a high-strength bolt. The diameter of the vertical connecting bolt 8 and the diameter of the connecting bolt 7 are calculated according to the size of the bent cap, the construction load and the temporary facility load.
The bottom of the vertical supporting rod 3 is provided with a sleeve 9 matched with the vertical connecting bolt 8. The vertical support bar 3 is preferably a steel bar. The diameter of the sleeve 9 should be slightly larger than the diameter of the vertical connecting bolt 8. The diameter of the sleeve 9 is calculated according to the size of the cover beam, the construction load and the temporary facility load.
The construction method of the supporting device for the temporary support for the bent cap construction comprises the following steps:
step one, when the bridge pier stud 10 is constructed, a pipeline is pre-embedded along the radial direction of the bridge pier stud 10 to serve as a reserved hole channel of the horizontal support rod 1, and when the strength of the bridge pier stud 10 meets the design requirement, the pipeline is pulled out. The diameter of the horizontal support rod 1 is 1 cm-2 cm smaller than that of the reserved hole channel.
And step two, inserting the horizontal support rod 1 into the reserved hole channel.
And thirdly, inserting the annular connecting bolt 6 of the encircling connecting member 2 into the groove 4 of the horizontal support rod 1, and connecting bolts 7 penetrate through the bolt holes in the encircling connecting member 2 and the bolt holes in the horizontal support rod 1 to connect the encircling connecting member 2 and the horizontal support rod 1.
Step four, inserting the sleeve 9 of the vertical support rod 3 into the vertical connecting bolt 8.
And fifthly, repeating the second step to the fourth step, installing the supporting device on the bridge pier stud 10, erecting a temporary support for capping beam construction on the vertical supporting rod 3, and pouring the capping beam concrete.
And step six, when the concrete strength of the bent cap reaches the design requirement, removing the temporary support and the template, sequentially removing the vertical support rod 3, the connecting bolt 7, the encircling connecting member 2 and the horizontal support rod 1, and recycling the vertical support rod, the connecting bolt 7, the encircling connecting member 2 and the horizontal support rod 1, so as to construct the next bent cap.
The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (10)
1. The utility model provides a strutting arrangement of bent cap construction temporary support which characterized in that includes:
the horizontal support rod (1) is horizontally provided with a bolt hole along the radial direction, and the top of the horizontal support rod (1) is provided with a groove (4);
the connecting component (2) is surrounded, the top of the connecting component is connected with a vertical connecting bolt (8), the bottom of the connecting component is provided with a U-shaped groove (5) matched with the horizontal supporting rod (1), the top of the U-shaped groove (5) is connected with a circumferential connecting bolt (6) matched with the groove (4), the side wall of the U-shaped groove (5) is provided with a bolt hole in a penetrating way, the circumferential connecting bolt (6) is inserted into the groove (4), and a connecting bolt (7) penetrates through the bolt hole on the surrounding connecting component (2) and the bolt hole on the horizontal supporting rod (1) so as to detachably connect the surrounding connecting component (2) and the horizontal supporting rod (1);
the bottom of the vertical supporting rod (3) is provided with a sleeve (9) matched with the vertical connecting bolt (8).
2. The support device of a capping beam construction temporary support as claimed in claim 1, wherein: embrace connecting elements (2) including embracing post (21) and connecting plate (22) at embracing post (21) top, the both sides of connecting plate (22) surpass and embrace post (21), U-shaped groove (5) are seted up in the bottom of embracing post (21), the top at connecting plate (22) is connected in vertical connecting bolt (8).
3. The support device of a temporary support for capping beam construction according to claim 2, wherein: the section of the U-shaped groove (5) is semicircular.
4. The support device of a capping beam construction temporary support as claimed in claim 1, wherein: bolt holes in the horizontal support rod (1) are arranged at intervals in the horizontal direction, and the grooves (4) are symmetrically arranged along the side wall of the horizontal support rod (1).
5. The support device of a capping beam construction temporary support as claimed in claim 4, wherein: the groove (4) is arranged along the axial direction of the horizontal support rod (1).
6. The support device of a capping beam construction temporary support as claimed in claim 5, wherein: the grooves (4) are arranged at intervals along the axial direction of the horizontal support rod (1).
7. The support device of a capping beam construction temporary support as claimed in claim 1, wherein: the horizontal supporting rod (1) and the vertical supporting rod (3) are both steel bars.
8. The support device of a capping beam construction temporary support as claimed in claim 1, wherein: the annular connecting bolt (6) is of a plate-shaped structure.
9. A construction method of a supporting means of a temporary frame for a capping construction according to any one of claims 1 to 8, comprising the steps of:
firstly, pre-burying a pipeline along the radial direction of a bridge pier column (10) as a reserved hole channel of a horizontal support rod (1) during construction of the bridge pier column (10), and pulling out the pipeline when the strength of the bridge pier column (10) meets the design requirement;
step two, inserting the horizontal support rod (1) into the reserved hole channel;
inserting an annular connecting bolt (6) of the encircling connecting member (2) into a groove (4) of the horizontal support rod (1), and connecting bolts (7) penetrate through bolt holes in the encircling connecting member (2) and bolt holes in the horizontal support rod (1) to connect the encircling connecting member (2) and the horizontal support rod (1);
step four, inserting a sleeve (9) of the vertical supporting rod (3) into the vertical connecting bolt (8);
fifthly, repeating the second step and the fourth step, mounting the supporting device on a bridge pier column (10), erecting a temporary support for capping beam construction on the vertical supporting rod (3), and pouring capping beam concrete;
and sixthly, when the concrete strength of the bent cap reaches the design requirement, removing the temporary support and the template, and sequentially removing and recycling the vertical support rod (3), the connecting bolt (7), the encircling connecting member (2) and the horizontal support rod (1) to construct the next bent cap.
10. The construction method of a supporting device of a capping work temporary stand according to claim 9, wherein: the diameter of the horizontal support rod (1) is 1 cm-2 cm smaller than that of the reserved hole channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011398663.5A CN112482233A (en) | 2020-12-03 | 2020-12-03 | Supporting device for temporary support for bent cap construction and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011398663.5A CN112482233A (en) | 2020-12-03 | 2020-12-03 | Supporting device for temporary support for bent cap construction and construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112482233A true CN112482233A (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011398663.5A Pending CN112482233A (en) | 2020-12-03 | 2020-12-03 | Supporting device for temporary support for bent cap construction and construction method thereof |
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| CN (1) | CN112482233A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202181511U (en) * | 2011-06-21 | 2012-04-04 | 汕头市达濠市政建设有限公司 | Device for adjusting and dismantling pier coping beam template |
| KR20130102898A (en) * | 2012-03-08 | 2013-09-23 | 충남대학교산학협력단 | Pier construction method using pile and precast capbeam |
| CN210031489U (en) * | 2019-05-23 | 2020-02-07 | 中交（广州）建设有限公司 | Stool type bracket capping beam support |
| CN210077326U (en) * | 2019-06-18 | 2020-02-18 | 宁海县高级职业技术中心学校 | Storage device |
| CN111335170A (en) * | 2020-03-10 | 2020-06-26 | 中铁北京工程局集团北京有限公司 | Bent cap supports insurance system |
| CN111456423A (en) * | 2020-04-21 | 2020-07-28 | 广东华坤建设集团有限公司 | Supporting structure for early-detaching template and using method thereof |
| CN211735081U (en) * | 2019-11-26 | 2020-10-23 | 贵州省公路开发有限责任公司 | Steel wedge block bearing structure for bridge construction |
-
2020
- 2020-12-03 CN CN202011398663.5A patent/CN112482233A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202181511U (en) * | 2011-06-21 | 2012-04-04 | 汕头市达濠市政建设有限公司 | Device for adjusting and dismantling pier coping beam template |
| KR20130102898A (en) * | 2012-03-08 | 2013-09-23 | 충남대학교산학협력단 | Pier construction method using pile and precast capbeam |
| CN210031489U (en) * | 2019-05-23 | 2020-02-07 | 中交（广州）建设有限公司 | Stool type bracket capping beam support |
| CN210077326U (en) * | 2019-06-18 | 2020-02-18 | 宁海县高级职业技术中心学校 | Storage device |
| CN211735081U (en) * | 2019-11-26 | 2020-10-23 | 贵州省公路开发有限责任公司 | Steel wedge block bearing structure for bridge construction |
| CN111335170A (en) * | 2020-03-10 | 2020-06-26 | 中铁北京工程局集团北京有限公司 | Bent cap supports insurance system |
| CN111456423A (en) * | 2020-04-21 | 2020-07-28 | 广东华坤建设集团有限公司 | Supporting structure for early-detaching template and using method thereof |
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Application publication date: 20210312 |
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