CN212270687U - Steel pipe support temporary pier for inclined main and auxiliary arch cross section - Google Patents

Steel pipe support temporary pier for inclined main and auxiliary arch cross section Download PDF

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Publication number
CN212270687U
CN212270687U CN202020231657.XU CN202020231657U CN212270687U CN 212270687 U CN212270687 U CN 212270687U CN 202020231657 U CN202020231657 U CN 202020231657U CN 212270687 U CN212270687 U CN 212270687U
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CN
China
Prior art keywords
main
arch
support
arch support
cross
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Expired - Fee Related
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CN202020231657.XU
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Chinese (zh)
Inventor
刘祥
宋佩超
杨少东
宋东奇
耿锐
丁文硕
彭传庚
奉胜雄
伍华刚
蒋逸谦
莫元福
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Guangxi Road and Bridge Engineering Group Co Ltd
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Guangxi Road and Bridge Engineering Group Co Ltd
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Priority to CN202020231657.XU priority Critical patent/CN212270687U/en
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Publication of CN212270687U publication Critical patent/CN212270687U/en
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Abstract

The utility model relates to a bridge steel structure installation technical field. A steel pipe support temporary pier for an inclined main-auxiliary arch cross section comprises a main arch support and an auxiliary arch support which are formed by connecting a plurality of members, wherein the main arch support and the auxiliary arch support are arranged below the main-auxiliary arch cross section along a bridge direction; the auxiliary arch support comprises a first auxiliary arch support and a second auxiliary arch support which are respectively arranged on two sides of the main arch support and are arranged in an inclined crossed manner; the member comprises a plurality of concrete piles, upright posts, cross rods, inclined rods and cross beams; the upper part of the concrete pile is arranged on the ground, the lower part of the concrete pile is embedded below the ground, the upright columns are arranged on the concrete pile, two adjacent upright columns are connected through a horizontally arranged cross rod, and an inclined rod is also obliquely arranged between the two adjacent upright columns; the top of the upright post is provided with a beam, and the beam is provided with a jack for receiving the arch rib. The utility model discloses an interim mop establishes simple to operate, the security is good, can reduce the quantity of buttress and steel.

Description

Steel pipe support temporary pier for inclined main and auxiliary arch cross section
Technical Field
The utility model relates to a bridge steel structure installation technical field, in particular to a steel pipe support temporary pier that is used for tilting owner and auxiliary arch cross section.
Background
The support construction method is a common method for installing arch ribs, can effectively support arch rib segments and assemble the arch ribs, and can be used for the construction of conventional vertical parallel arches and inclined arches. The double-flying-wing arch bridge which has emerged in recent years has the characteristic that a main arch is outwards inclined and an auxiliary arch is inwards inclined, and although a conventional support construction method can be applied to installation of a single outwards inclined main arch or a single inwards inclined auxiliary arch, a plurality of design defects and construction difficulties exist at the cross section of the main arch and the auxiliary arch. The main arch support and the auxiliary arch support need to be independently erected in the traditional support construction method, so that the support construction period of the main arch cross section and the auxiliary arch cross section is long, the workload is large, conflicts easily occur in the installation structure, the support work is heavy, the support efficiency is low, and the equipment cost is very high. Therefore, the utility model provides a steel pipe support temporary pier for tilting main and auxiliary arch cross section, this temporary pier reasonable in design, the force balance, material saving can effectively solve the main and auxiliary arch cross section steel pipe support arrange the problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the not enough among the prior art, provide a steel pipe support temporary pier that is used for tilting owner vice arch cross section, this interim mop establish simple to operate, the security is good, can reduce the quantity of buttress and steel.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a steel pipe support temporary pier for an inclined main-auxiliary arch crossing section comprises a main arch support and an auxiliary arch support which are formed by connecting a plurality of components, wherein the main arch support and the auxiliary arch support are arranged below the main-auxiliary arch crossing section along a bridge direction, and the top heights of the main arch support and the auxiliary arch support are consistent with the erection height of arch ribs at the arranged positions of the main arch support and the auxiliary arch support; the auxiliary arch support comprises a first auxiliary arch support and a second auxiliary arch support which are respectively arranged on two sides of the main arch support and are obliquely and crossly arranged; the member comprises a plurality of concrete piles, upright posts, cross rods, inclined rods and cross beams; the upper part of the concrete pile is arranged on the ground, the lower part of the concrete pile is embedded below the ground, the stand columns are arranged on the concrete pile, two adjacent stand columns are connected through the horizontally arranged cross rod, and the inclined rod is also obliquely arranged between the two adjacent stand columns; the top of stand is provided with the crossbeam, be equipped with the jack that is used for accepting the arch rib on the crossbeam.
Furthermore, the main arch support comprises two rows of upright columns, wherein each row is provided with nine upright columns, the north side of the main arch support is connected with the first auxiliary arch support, and the first auxiliary arch support shares the concrete piles, the upright columns, the cross bars, the diagonal bars and the cross beams on the north side of the main arch support; the south side of the main arch support is connected with the second auxiliary arch support, and the second auxiliary arch support shares the concrete pile, the upright post, the cross bar, the diagonal bar and the cross beam on the south side of the main arch support; the first secondary arch bracket and the second secondary arch bracket are integrated through a common component with the main arch bracket.
Furthermore, the stand adopts the diameter to be 529mm, and the reinforcing bar row spacing is 9 mm's spiral steel pipe, down tube and horizontal pole adopt the diameter to be 180mm, the reinforcing bar row spacing is 5 mm's spiral steel pipe, the crossbeam adopts the I-steel.
Furthermore, the joint of the inclined rod and the upright post is fastened by a fastener; the diagonal rods comprise horizontal scissor braces and vertical scissor braces; the horizontal cross braces are arranged on the horizontal planes of two adjacent rows of stand columns, and the vertical cross braces are arranged on the vertical sections of two adjacent stand columns.
Furthermore, the lower part of stand inlay and establish in the concrete pile, the lower part of stand encircles the stand outer wall and is provided with a plurality of semicircle crotch.
Further, the length of the upright column embedded in the concrete pile is 2-2.5 m.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
1. the utility model relates to a steel pipe support is mound temporarily reasonable in design for tilting main and auxiliary arch cross section adopts the main and auxiliary to encircle the method of the common part is mound temporarily in cross section, has not only avoided the situation of main arch support with vice arch support installation conflict, has practiced thrift manual work and material cost moreover, has simplified steel pipe support system. The utility model discloses the main support and the vice support of encircleing that encircles that set up can be assembled according to main vice actual spatial position of encircleing fast. The main arch support and the auxiliary arch support are simple in structure, safe and stable temporary piers can be quickly and firmly erected, and the main arch support and the auxiliary arch support are convenient to disassemble after the engineering is finished.
Drawings
FIG. 1 is a schematic structural view of a sloped primary and secondary arch crossover section;
FIG. 2 is a schematic structural diagram of a temporary pier of a steel pipe bracket for a tilting main arch and auxiliary arch crossing section of the invention;
FIG. 3 is a schematic structural view of the main arch at the intersection of the main and auxiliary arch supports of the present embodiment;
FIG. 4 is a plan view of the main arch support as viewed from above at A in FIG. 3;
FIG. 5 is a schematic structural view of the auxiliary arch at the intersection of the main and auxiliary arch supports of the present invention;
FIG. 6 is a plan view of the secondary arch support as seen from B, C in FIG. 5;
fig. 7 is a schematic structural view of a concrete pile.
Wherein, labeled in the figures: 1-main arch support; 2-a first secondary arch support; 3-a second secondary arch support; 4-concrete pile; 5-upright column; 6-a cross bar; 7-a cross beam; 8-a jack; 9-horizontal cross bracing; 10-vertical cross bracing; 11-semicircular hook; 12-a main arch; 13-auxiliary arch.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of 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. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-7, the temporary pier for the inclined steel pipe support of the main and auxiliary arch cross section comprises a main arch support 1 and an auxiliary arch support which are formed by connecting a plurality of components, wherein the main arch support 1 and the auxiliary arch support are arranged below the main and auxiliary arch cross section along the bridge direction, and the top heights of the main arch support 1 and the auxiliary arch support are consistent with the erection height of arch ribs at the arranged positions; the auxiliary arch support comprises a first auxiliary arch support 2 and a second auxiliary arch support 3 which are respectively arranged at two sides of the main arch support 1 and are arranged in an inclined crossed manner; the member comprises a plurality of concrete piles 4, upright posts 5, cross rods 6, inclined rods and cross beams 7; the upper part of the concrete pile 4 is arranged on the ground, the lower part of the concrete pile 4 is embedded below the ground, the upright posts 5 are arranged on the concrete pile 4, two adjacent upright posts 5 are connected through the horizontal cross rod 6, and the inclined rod is also obliquely arranged between two adjacent upright posts 5; the top of stand 5 is provided with crossbeam 7, be equipped with the jack 8 that is used for accepting the arch rib on crossbeam 7, jack 8 passes through bolted connection in stand 5 top.
The utility model discloses adopt the method of the common part of main and auxiliary arch mound temporarily at the cross section, not only avoided the situation of main arch support 1 with the conflict of auxiliary arch support installation, practiced thrift manual work and material cost moreover, simplified steel pipe support system. The utility model discloses the main support 1 and the vice support of encircleing that encircles that set up can be assembled according to main vice actual spatial position of encircleing fast. The main arch support 1 and the auxiliary arch support have simple structure, can quickly and firmly erect safe and stable temporary piers, and are convenient to disassemble after the engineering is finished.
The main arch support 1 comprises two rows of upright columns 5, wherein each row is provided with nine upright columns 5, the north side of the main arch support 1 is connected with the first auxiliary arch support 2, and the first auxiliary arch support 2 shares a concrete pile 4, the upright columns 5, a cross rod 6, an oblique rod and a cross beam 7 on the north side of the main arch support 1; the south side of the main arch support 1 is connected with the second auxiliary arch support 3, and the second auxiliary arch support 3 shares the concrete pile 4, the upright post 5, the cross rod 6, the diagonal rod and the cross beam 7 on the south side of the main arch support 1; the first secondary arch bracket 2 and the second secondary arch are integrated with the main arch bracket 1 through a shared component.
The joint of the inclined rod and the upright post 5 is buckled by a fastener; the diagonal rods comprise horizontal scissor supports 9 and vertical scissor supports 10; the horizontal cross braces 9 are arranged on the horizontal planes of two adjacent rows of the stand columns 5, and the vertical cross braces 10 are arranged on the vertical sections of two adjacent stand columns 5. At the job site, interim mound reaches the purpose that improves interim mound bearing capacity through setting up horizontal bridging 9 and vertical bridging 10 to make interim mound simple structure, take to tear open the convenience, it is economical reasonable, safe suitable for.
The lower part of the upright post 5 is embedded in the concrete pile 4, and the lower part of the upright post 5 is provided with a plurality of semicircular hooks 11 around the outer wall of the upright post 5. The length of the upright post 5 embedded in the concrete pile 4 is 2-2.5 m.
In an embodiment of the utility model, according to the construction design drawing, the upright 5 adopts the spiral steel pipe with the diameter of 529mm and the steel bar pitch of 9mm, the diagonal rod and the cross rod 6 adopt the spiral steel pipe with the diameter of 180mm and the steel bar pitch of 5mm, the cross beam 7 adopts the I-steel, specifically, the cross beam 7 at the top end of the main arch support 1 adopts the 2I 63I-steel, and the cross beam 7 at the top end of the auxiliary arch support adopts the 2I 56I-steel;
as shown in fig. 2-6, the main arch support 1 of the main arch and the auxiliary arch cross section is arranged along the bridge direction in 9 rows, each row has 2 upright posts 5, the auxiliary arch support of the main arch and the auxiliary arch cross section is arranged along the bridge direction in 7 rows, each row also has 2 upright posts 5, but the joints of the auxiliary arch supports and the main arch support 1 share concrete piles 4, upright posts 5, cross rods 6, diagonal rods and cross beams 7. The standard step pitch of the support is 4m, each layer is provided with a horizontal cross brace 9, and the temporary piers are connected in a transverse mode and are arranged one step by 2 steps. The support position and the structure form can be arranged according to the actual space position of the main arch and the auxiliary arch, during the concrete construction, the main arch support 1 is firstly erected to the height of the main arch 12 at the cross section of the main arch and the auxiliary arch, then the arch rib of the main arch 12 is erected, the auxiliary arch supports are erected at the two sides of the main arch 12, and finally the arch rib of the auxiliary arch 13 is erected.
As shown in fig. 7, the temporary pier foundation is designed by using concrete piles 4, the foundation diameter of the concrete piles 4 is 1.3m, the strength is C30, and the depth of the piles embedded into the bearing stratum is guaranteed to be 2 m. Under the action of wind load, the upright post 5 generates tension and is uplift-resistant, the lower part of the upright post 5 is embedded into a pile foundation 2m of the concrete pile 4, a semicircular hook 11 is welded on the side surface of the upright post 5, and the semicircular hook 11 is made of hook steel bars;
bury the steel pipe when concreting stake 4, adopt tower crane or truck crane cooperation manual work to carry out the installation of stand 5 afterwards, the installation need 5 straightness that hangs down of strict control stand, stand 5 can the formula as an organic whole, also can be for the festival segmentation, if adopt festival segmentation stand 5, then stand 5 passes through flange joint when lengthening, ensures strength or superstrong such as former material. After the upright posts 5 are installed, blanking and intersecting line cutting are carried out on the cross rods 6 and the inclined rods, the positions of the cross nodes of the upright posts 5, the cross rods 6 and the inclined rods are marked, the cross rods 6 and the inclined rods are hoisted to the positions of the nodes by adopting a tower crane or a truck crane, the cross rods 6 and the inclined rods are welded between the upright posts 5 by adopting a gas shielded welding process, and all welding seams meet the requirement of equal strength with a base material;
and mounting a pier top I-shaped steel beam 7. In order to ensure the stability of the pile top cross beam 7, the I-shaped steel and the upright post 5 are in full welding connection.
The utility model adopts the above-mentioned method that is used for the interim mound of steel pipe support of tilting main and auxiliary arch cross section, can guarantee that bridge arch rib festival section mounted position is accurate, make the installation rate obtain promoting, improved the construction progress, also guaranteed the safety in the installation, reduced interim mound component material simultaneously, saved the expense of arch rib installation.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims (6)

1. The utility model provides a steel pipe support pier temporarily that is used for tilting main and auxiliary arch cross section which characterized in that: the main arch support and the auxiliary arch support are arranged below a main arch cross section and an auxiliary arch cross section along a bridge direction, and the top heights of the main arch support and the auxiliary arch support are consistent with the erection height of an arch rib at the arrangement position of the main arch support and the auxiliary arch support; the auxiliary arch support comprises a first auxiliary arch support and a second auxiliary arch support which are respectively arranged on two sides of the main arch support and are obliquely and crossly arranged; the member comprises a plurality of concrete piles, upright posts, cross rods, inclined rods and cross beams; the upper part of the concrete pile is arranged on the ground, the lower part of the concrete pile is embedded below the ground, the stand columns are arranged on the concrete pile, two adjacent stand columns are connected through the horizontally arranged cross rod, and the inclined rod is also obliquely arranged between the two adjacent stand columns; the top of stand is provided with the crossbeam, be equipped with the jack that is used for accepting the arch rib on the crossbeam.
2. The steel pipe support temporary pier for the inclined main-auxiliary arch crossing section as claimed in claim 1, wherein: the main arch support comprises two rows of upright columns, wherein each row is provided with nine upright columns, the north side of the main arch support is connected with the first auxiliary arch support, and the first auxiliary arch support shares the concrete piles, the upright columns, the cross bars, the diagonal bars and the cross beams on the north side of the main arch support; the south side of the main arch support is connected with the second auxiliary arch support, and the second auxiliary arch support shares the concrete pile, the upright post, the cross bar, the diagonal bar and the cross beam on the south side of the main arch support; the first secondary arch bracket and the second secondary arch bracket are integrated through a common component with the main arch bracket.
3. The steel pipe support temporary pier for the inclined main-auxiliary arch crossing section as claimed in claim 2, wherein: the stand adopts the diameter to be 529mm, and the reinforcing bar array pitch is 9 mm's spiral steel pipe, down tube and horizontal pole adopt the diameter to be 180mm, the reinforcing bar array pitch is 5 mm's spiral steel pipe, the crossbeam adopts the I-steel.
4. The steel pipe support temporary pier for the inclined main-auxiliary arch crossing section as claimed in claim 2, wherein: the joint of the inclined rod and the upright post is buckled by a fastener; the diagonal rods comprise horizontal scissor braces and vertical scissor braces; the horizontal cross braces are arranged on the horizontal planes of two adjacent rows of stand columns, and the vertical cross braces are arranged on the vertical sections of two adjacent stand columns.
5. The steel pipe support temporary pier for the inclined main-auxiliary arch crossing section as claimed in claim 1, wherein: the lower part of stand inlay establish in the concrete pile, the lower part of stand is provided with a plurality of semicircle crotch around the stand outer wall.
6. The steel pipe support temporary pier for the inclined main-auxiliary arch crossing section as claimed in claim 5, wherein: the length of the upright column embedded in the concrete pile is 2-2.5 m.
CN202020231657.XU 2020-02-28 2020-02-28 Steel pipe support temporary pier for inclined main and auxiliary arch cross section Expired - Fee Related CN212270687U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020231657.XU CN212270687U (en) 2020-02-28 2020-02-28 Steel pipe support temporary pier for inclined main and auxiliary arch cross section

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Application Number Priority Date Filing Date Title
CN202020231657.XU CN212270687U (en) 2020-02-28 2020-02-28 Steel pipe support temporary pier for inclined main and auxiliary arch cross section

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113774796A (en) * 2021-08-30 2021-12-10 中交一公局集团有限公司 Main arch support structure of overpass bridge and mounting method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113774796A (en) * 2021-08-30 2021-12-10 中交一公局集团有限公司 Main arch support structure of overpass bridge and mounting method

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