CN217352174U - Pier edge side span cast-in-place support - Google Patents

Pier edge side span cast-in-place support Download PDF

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Publication number
CN217352174U
CN217352174U CN202221177610.5U CN202221177610U CN217352174U CN 217352174 U CN217352174 U CN 217352174U CN 202221177610 U CN202221177610 U CN 202221177610U CN 217352174 U CN217352174 U CN 217352174U
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pier
side span
support
span cast
cast
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霍凯荣
朱建伟
杜伟强
白丽锋
李志伟
杨召
朱成亮
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CCCC SHB Fifth Engineering Co Ltd
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CCCC SHB Fifth Engineering Co Ltd
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    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract

The application relates to the technical field of bridge construction, in particular to a pier edge side span cast-in-place support which comprises upright posts, connecting rods, embedded parts and an upper support body; the number of the upright posts is multiple, and the axial direction of the upright posts is vertically arranged; the embedded parts are arranged on the bridge pier; the number of the connecting rods is multiple, one end of each connecting rod is connected with the upright post, and the other end of each connecting rod is connected with the embedded part; one end of the upper frame body is arranged on the upright post, and the upper frame body is arranged on the bridge pier; the pier side span cast-in-place support of design is convenient for support the upper support body through stand and pier, is convenient for support bridge cast-in-place template through the upper support body, is convenient for improve the structural stability of stand through set up in advance built-in fitting and the connecting rod on the pier, and then improves the overall structure stability of pier side span cast-in-place support.

Description

Pier edge side span cast-in-place support
Technical Field
The application relates to the technical field of bridge construction, in particular to a pier edge side span cast-in-place support.
Background
With the continuous development of bridge construction technology, large-span continuous beam reinforced concrete bridges are widely applied, wherein the construction of the side-span cast-in-place section influences the construction quality and the engineering progress of the whole bridge, and before the side-span cast-in-place construction, a support needs to be erected at a pier close to a bridge closing position to support a bridge cast-in-place molding template.
Application number is 201910688126.5's patent document discloses a cast-in-place support of sidespan and construction method of dismouting of being convenient for suitable for bridge, and it includes the basal plane, the internally mounted of basal plane has basic base, and one side that the inside of basal plane is close to basic base is pre-buried there is basic mound, the top of basic mound is connected with the transition mound, and pours fixedly between basic mound and the transition mound, basic base's top is provided with omnipotent member, omnipotent member's top is provided with the connecting piece, the top of connecting piece is provided with first I-steel, bailey piece is installed on the top of first I-steel.
In view of the above-mentioned related technologies, the inventor considers that the designed universal rod member of the side span cast-in-place support which is suitable for the bridge and is convenient to disassemble and assemble is independently arranged on the foundation beside the bridge pier, and the support stability of the cast-in-place support is greatly influenced by the reliability of the foundation, so that the structural stability of the cast-in-place support is insufficient.
SUMMERY OF THE UTILITY MODEL
In order to improve the structural stability of the cast-in-place support of mound limit side span, this application provides a cast-in-place support of mound limit side span, adopts following technical scheme:
a pier edge side span cast-in-place support comprises upright posts, connecting rods, embedded parts and an upper support body;
the number of the upright posts is multiple, and the axial direction of the upright posts is vertically arranged;
the embedded parts are arranged on the bridge pier;
the number of the connecting rods is multiple, one end of each connecting rod is connected with the upright post, and the other end of each connecting rod is connected with the embedded part;
one end of the upper frame body is arranged on the upright post, and the upper frame body is arranged on the pier.
By adopting the technical scheme, the embedded part is arranged on the bridge pier in advance, then the plurality of upright columns are erected beside the bridge pier, the upright columns are connected with the embedded part through the connecting rods, then the upper frame body is arranged above the upright columns and the bridge pier, and the bridge cast-in-place template is supported through the upper frame body; the pier side span cast-in-place support of design is convenient for support the upper support body through stand and pier, is convenient for support bridge cast-in-place template through the upper support body, is convenient for improve the structural stability of stand through set up in advance built-in fitting and the connecting rod on the pier, and then improves the overall structure stability of pier side span cast-in-place support.
Optionally, the plurality of the columns are located in the same plane, a plurality of the flat link rods are connected between two adjacent columns, and the plurality of the flat link rods are distributed along the axial direction of the columns.
Through adopting above-mentioned technical scheme, the flat link of design can provide the structural stability between two adjacent stands.
Optionally, the upper frame body includes an upper top plate, a beret beam, a first support assembly and a second support assembly;
the plane of the upper top plate is horizontally arranged, and the upper top plate is connected with the top wall of the Bailey beam;
the number of the Bailey beams is multiple, and the length directions of the Bailey beams are arranged in parallel;
the first supporting assembly and the second supporting assembly are respectively used for supporting two ends of the Bailey beam in the length direction.
Through adopting above-mentioned technical scheme, the last support body of design is convenient for provide the support to many bailey roof beams through first supporting component and second supporting component, is convenient for support the roof board through many bailey roof beams, is convenient for lay many bracing pieces that are used for supporting bridge cast-in-place formwork through the roof board.
Optionally, the first support assembly comprises a first bearing beam, a first unloading sand bucket, a steel corbel and a preset part;
the number of the preset pieces is multiple, and the preset pieces are arranged on the bridge piers;
the number of the steel corbels is multiple, and the steel corbels are connected with the preset piece;
the number of the first unloading sand barrels is multiple, and the first unloading sand barrels are arranged on the steel bracket;
the first bearing beam is connected with the first unloading sand barrels, and the first bearing beam is connected with the Bailey beam.
Through adopting above-mentioned technical scheme, the first supporting component of design through predetermineeing piece, steel corbel, first off-load sand bucket and first spandrel girder, can provide the stable support that is not influenced by the other ground of pier for the bailey roof beam.
Optionally, the second support assembly includes a second bearing beam and a plurality of second unloading sand barrels;
the second unloading sand barrel is arranged on the upright post;
the second bearing beam is connected with the second unloading sand barrels, and the second bearing beam is connected with the Bailey beam.
By adopting the technical scheme, the designed second supporting component is convenient for mounting the second bearing beam through the second unloading sand barrels, and the second bearing beam can combine the upright columns to form an integral structure and provide stable support for the Bailey beam.
Optionally, the lifting device further comprises a plurality of inclined supporting rods, two ends of each inclined supporting rod are respectively connected with two adjacent upright columns, and two ends of each inclined supporting rod are respectively connected with two adjacent flat connecting rods in the height direction.
By adopting the technical scheme, the designed inclined stay bar can form a triangular supporting structure with two adjacent stand columns and two adjacent flat link rods in the height direction, and the structural stability of the stand columns is further improved.
Optionally, a cross brace is connected to the embedded part, and one end of the cross brace, which is far away from the embedded part, is connected to one of the columns.
Through adopting above-mentioned technical scheme, the joint strength of stand and built-in fitting can further be improved to the bridging of design.
Optionally, the first bearing beam is arranged as a reinforcing i-steel.
Through adopting above-mentioned technical scheme, the first spandrel girder that sets up to strengthening the I-steel of design can provide the bending strength of first spandrel girder, reduces the inhomogeneous atress influence that causes the difference to different stands of beiLei roof beam atress.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the designed pier edge span cast-in-place support is convenient for supporting an upper support body through a stand column and a pier, is convenient for supporting a bridge cast-in-place template through the upper support body, and is convenient for improving the structural stability of the stand column through an embedded part and a connecting rod which are arranged on the pier in advance so as to improve the overall structural stability of the pier edge span cast-in-place support;
2. the designed pier edge side span cast-in-place support is convenient for supporting a plurality of Bailey beams through the first supporting assembly and the second supporting assembly, is convenient for supporting the upper top plate through the plurality of Bailey beams, and is convenient for placing a plurality of supporting rods for supporting a bridge cast-in-place template through the upper top plate;
3. the pier edge side-span cast-in-place support can form a triangular supporting structure with two adjacent stand columns and two adjacent flat connecting rods in the height direction through the inclined supporting rods, and further provides the structural stability of the stand columns.
Drawings
Fig. 1 is a schematic overall structure diagram of a pier edge side span cast-in-place support according to an embodiment of the application;
fig. 2 is a partial structural schematic view of a pier edge side span cast-in-place support according to an embodiment of the application.
Reference numerals: 1. a column; 2. a connecting rod; 3. embedding parts; 4. an upper frame body; 41. an upper top plate; 42. a Bailey beam; 43. a first support assembly; 431. a first load beam; 432. a first unloading sand bucket; 433. steel corbels; 434. presetting a piece; 44. a second support assembly; 441. a second load-bearing beam; 442. a second unloading sand bucket; 5. a flat link; 6. a diagonal brace; 7. and (4) a scissor support.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a pier edge side span cast-in-place support.
Referring to fig. 1 and 2, the pier edge side-span cast-in-place support comprises a plurality of stand columns 1, a plurality of connecting rods 2, embedded parts 3 and an upper support body 4, wherein the stand columns 1 are arranged in the same plane, the axial directions of the stand columns 1 are vertically arranged, a plurality of flat connecting rods 5 are fixedly welded between every two adjacent stand columns 1, and the flat connecting rods 5 are distributed along the axial directions of the stand columns 1; in this embodiment, the number of the columns 1 is four, every two columns 1 are in one group, the distance between the shafts of the columns 1 in the group is three meters, the distance between the shafts of the two columns 1 close to each other in the two groups of columns 1 is five meters, and the number of the horizontal connecting rods 5 is twenty-four.
Referring to fig. 1 and 2, the combined type vertical column structure further comprises a plurality of inclined supporting rods 6, wherein the inclined supporting rods 6 are obliquely arranged in the axis direction, two ends of each inclined supporting rod 6 are respectively welded with two vertical columns 1 in the combined type vertical column structure, and two ends of each inclined supporting rod 6 are respectively welded with two adjacent horizontal connecting rods 5 in the height direction; the number of the diagonal braces 6 is eight in the present embodiment.
Referring to fig. 1 and 2, the number of the embedded parts 3 is plural, the embedded parts 3 are arranged in the bridge pier in advance when the bridge pier is poured, and the plurality of embedded parts 3 are arranged along the height direction of the bridge pier and distributed along the horizontal direction, the number of the embedded parts 3 in the embodiment is sixteen, the sixteen embedded parts 3 are equally distributed into eight groups, and two embedded parts 3 in each group are distributed on the bridge pier along the horizontal direction.
Referring to fig. 1 and 2, the number of the connecting rods 2 is multiple, one end of each connecting rod 2 is welded to the corresponding column 1, one end, far away from the corresponding column 1, of each connecting rod 2 is welded to the corresponding extending section of the embedded part 3 extending out of the pier, the axial direction of each connecting rod 2 is horizontally arranged, the number of the connecting rods 2 in the embodiment is thirty two, and the number of the connecting rods 2 connected to each embedded part 3 is two.
Referring to fig. 1 and 2, the extension section of the embedded part 3 extending out of the pier is welded with a bridging 7, one end, far away from the embedded part 3, of the bridging 7 is welded with an upright post 1, the axis direction of the bridging 7 is obliquely arranged, eight groups of embedded parts 3 in the height direction are equally divided into four groups, two adjacent groups of embedded parts 3 are one group, and the number of the bridging 7 in each group is two.
Referring to fig. 1 and 2, the upper frame body 4 includes an upper top plate 41, a bailey beam 42, a first support assembly 43 and a second support assembly 44, the first support assembly 43 includes a first bearing beam 431, a first unloading sand bucket 432, a steel corbel 433 and presets 434, the number of the presets 434 is plural, the presets 434 are arranged in the pier in advance when the pier is poured, in this embodiment, the number of the presets 434 is three, and the three presets 434 are located in the same horizontal plane.
Referring to fig. 1 and 2, the number of the steel corbels 433 is the same as that of the preset pieces 434, and the steel corbels 433 are welded with the extension sections of the preset pieces 434 extending out of the bridge pier; the number of the first unloading sand barrels 432 is the same as that of the steel corbels 433, and the first unloading sand barrels 432 are welded with the steel corbels 433.
Referring to fig. 1 and 2, the first bearing beam 431 is arranged to be a reinforcing i-beam which comprises two flange plates arranged in parallel and two webs arranged in parallel, the two webs are located between the two flange plates, the plane where the flange plates are located is horizontally arranged, the plane where the flange plates are located is perpendicular to the plane where the webs are located, the flange plates and the webs are integrally formed, and the lower end flange plate is welded with which first unloading sand bucket 432 is away from one end of a steel bracket 433.
Referring to fig. 1 and 2, the second support assembly 44 includes a second bearing beam 441 and a plurality of second unloading sand barrels 442, the number of the second unloading sand barrels 442 in this embodiment is the same as that of the upright 1, and the second unloading sand barrels 442 are welded to the top wall of the upright 1; the length direction of the second bearing beam 441 is consistent with that of the first bearing beam 431, the second bearing beam 441 is also set to be a reinforced I-shaped steel, and the second bearing beam 441 is welded with one ends, far away from the upright post 1, of the four second unloading sand barrels 442.
Referring to fig. 1 and 2, the plane of the upper top plate 41 is horizontally disposed, the upper top plate 41 is bolted to the top wall of the beret beam 42, the number of the beret beams 42 is multiple, the length direction of the plurality of beret beams 42 is horizontally disposed, the length direction of the beret beams 42 is perpendicular to the length direction of the first bearing beam 431, and two ends of the beret beams 42 in the length direction are respectively welded and fixed to the first bearing beam 431 and the second bearing beam 441.
The implementation principle of the pier edge side span cast-in-place support in the embodiment of the application is as follows: the method comprises the steps of firstly arranging an embedded part 3 and a preset part 434 on a pier in advance during pouring of the pier, then arranging four upright posts 1 beside the pier, then connecting a flat connecting rod 5, an inclined supporting rod 6, a scissor supporting rod 7 and the like according to preset positions, then welding a steel corbel 433 with the preset part 434, then welding a first unloading sand bucket 432 with the steel corbel 433, then welding a first bearing beam 431 with the first unloading sand bucket 432, meanwhile welding a second unloading sand bucket 442 with the top wall of the upright post 1, then welding a second bearing beam 441 with the second unloading sand bucket 442, then placing five Bailey beams 42 above the first bearing beam 431 and the second bearing beam 441 and welding, then placing an upper top plate 41 above the Bailey beams 42 and connecting and fixing the Bailey beams through bolts, and installing a plurality of supporting rods on the upper top plate 41 to support a bridge formwork.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A pier edge side span cast-in-place support is characterized by comprising upright columns (1), connecting rods (2), embedded parts (3) and an upper support body (4);
the number of the upright posts (1) is multiple, and the axial directions of the upright posts (1) are vertically arranged;
the number of the embedded parts (3) is multiple, and the embedded parts (3) are arranged on the bridge pier;
the number of the connecting rods (2) is multiple, one end of each connecting rod (2) is connected with the upright post (1), and the other end of each connecting rod is connected with the embedded part (3);
one end of the upper frame body (4) is arranged on the upright post (1), and the upper frame body (4) is arranged on the pier.
2. The pier-side span cast-in-place support according to claim 1, characterized in that a plurality of columns (1) are in the same plane, a plurality of flat connecting rods (5) are connected between two adjacent columns (1), and the plurality of flat connecting rods (5) are distributed along the axial direction of the columns (1).
3. The pier-side span cast-in-place support according to claim 1, wherein the upper frame body (4) comprises an upper top plate (41), a bailey beam (42), a first support assembly (43) and a second support assembly (44);
the plane where the upper top plate (41) is located is horizontally arranged, and the upper top plate (41) is connected with the top wall of the Bailey beam (42);
the number of the Bailey beams (42) is multiple, and the length directions of the Bailey beams (42) are arranged in parallel;
the first supporting assembly (43) and the second supporting assembly (44) are respectively used for supporting two ends of the Bailey beam (42) in the length direction.
4. The pier-side span cast-in-place support according to claim 3, characterized in that the first support assembly (43) comprises a first load-bearing beam (431), a first unloading sand bucket (432), a steel corbel (433) and presets (434);
the number of the preset pieces (434) is multiple, and the preset pieces (434) are arranged on a pier;
the number of the steel corbels (433) is multiple, and the steel corbels (433) are connected with the preset piece (434);
the number of the first unloading sand barrels (432) is multiple, and the first unloading sand barrels (432) are arranged on the steel bracket (433);
the first bearing beam (431) is connected with the first unloading sand barrels (432), and the first bearing beam (431) is connected with the Bailey beam (42).
5. The pier-side span cast-in-place support according to claim 3, characterized in that the second support assembly (44) comprises a second load-bearing beam (441) and a plurality of second unloading sand buckets (442);
the second unloading sand barrel (442) is arranged on the upright post (1);
the second bearing beam (441) is connected with the second unloading sand barrels (442), and the second bearing beam (441) is connected with the Bailey beam (42).
6. The pier-side span cast-in-place support frame according to claim 2, further comprising a plurality of diagonal braces (6), wherein two ends of each diagonal brace (6) are respectively connected with two adjacent columns (1), and two ends of each diagonal brace (6) are respectively connected with two adjacent flat connecting rods (5) in the height direction.
7. The pier-side span cast-in-place support frame according to claim 1, characterized in that a cross brace (7) is connected to the embedded part (3), and one end of the cross brace (7) far away from the embedded part (3) is connected to one upright (1).
8. The pier-side span cast-in-place support according to claim 4, characterized in that the first load beam (431) is provided as a reinforcing I-steel.
CN202221177610.5U 2022-05-16 2022-05-16 Pier edge side span cast-in-place support Active CN217352174U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221177610.5U CN217352174U (en) 2022-05-16 2022-05-16 Pier edge side span cast-in-place support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221177610.5U CN217352174U (en) 2022-05-16 2022-05-16 Pier edge side span cast-in-place support

Publications (1)

Publication Number Publication Date
CN217352174U true CN217352174U (en) 2022-09-02

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CN202221177610.5U Active CN217352174U (en) 2022-05-16 2022-05-16 Pier edge side span cast-in-place support

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