CN215329380U - Long span combined type bent cap support - Google Patents
Long span combined type bent cap support Download PDFInfo
- Publication number
- CN215329380U CN215329380U CN202120435312.0U CN202120435312U CN215329380U CN 215329380 U CN215329380 U CN 215329380U CN 202120435312 U CN202120435312 U CN 202120435312U CN 215329380 U CN215329380 U CN 215329380U
- Authority
- CN
- China
- Prior art keywords
- bailey
- bent cap
- combined type
- long
- cap support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a long span combination formula bent cap support, including a plurality of bar foundations, the one end of supporting arrangement has been laid on the bar foundation, bailey structure has been laid to the other end of supporting arrangement, the operation platform that is used for the bent cap construction has been laid at the top of bailey structure, height adjusting device has still been laid between supporting arrangement and the bailey structure, the utility model discloses an install supporting arrangement on the bar foundation, the cross-under, the longitudinal joint, the steel staple bolt, steel pipe stand isotructure has linked into the supporting arrangement of frame-type, guarantee the normal current of bent cap projection within range vehicle in the work progress, under the prerequisite that satisfies the holding power requirement, furthest's the self weight that alleviates the support, convenient dismantlement, simple to operate, construction cost is practiced thrift, the time limit for a project has been shortened.
Description
Technical Field
The utility model belongs to the technical field of engineering construction, and particularly relates to a long-span combined type bent cap support.
Background
With the continuous development of urban viaduct construction, urban viaducts become indispensable important facilities for relieving urban traffic congestion and facilitating citizens to go out. At present, urban viaducts are more and more common in the form of ground roads, rail traffic and main line viaducts, namely, bearing platforms are located in the center of transverse and longitudinal bridge piers, the ground roads are located on the outer sides of the transverse bridge of the bearing platforms, the rail traffic is located on cross beams, and the main line viaduct is located on cover beams.
The length of the bent cap adopting the bidirectional six-lane exceeds 35 meters, and the bent cap with the length also puts higher requirements on the bent cap bracket.
As cast-in-place concrete structure, traditional pier shaft pre-buried support and bowl knot formula full hall support receive more and more restriction and challenge: for example, the template and the bent cap load of the pre-buried bracket of the pier body are borne by the pier body, the bracket of the next stage can be erected only when the pier body reaches the corresponding strength before the bracket is installed, and the construction is carried out after the bracket reaches the corresponding strength, so that the construction period is influenced; on the other hand still need carry on pre-buried to the pier stud in the construction, cause the damage to the pier stud outward appearance to a certain extent.
For example, the bracket template for the bowl-buckled full framing construction has large consumption and long construction period, and has great limitation on mountainous bridges and high piers; on the other hand, the full-hall support method is only suitable for bridges without navigation and traffic requirements, the pier height is within 15 meters, the foundation condition is better, the terrain is flat and the fluctuation is not large, and the bowl-buckled full-hall support cannot be suitable for various environments.
In conclusion, in order to solve the problems that the traditional pier body pre-embedded type support and the bowl buckle type full space support are large in resource consumption, cannot guarantee the traffic of vehicles in construction, is high in construction cost, influences the schedule of a construction period and the like, a long-span combined type bent cap support applicable to various environments is developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a long-span combined type bent cap support which solves the problems that the turnover is inconvenient, the construction cost and the construction period are influenced and the traffic requirement cannot be met in the construction process due to the fact that the bent cap supports are needed in the construction process.
In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows: the utility model provides a long span combination formula bent cap support, includes a plurality of bar foundations, has laid the one end of supporting device on the bar foundation, and the bailey structure has been laid to the other end of supporting device, and the operation platform that is used for the bent cap construction has been laid at the top of bailey structure, still has laid high adjusting device between supporting device and the bailey structure.
As a preferable scheme of the utility model, the bailey structure includes at least two bailey beams, the bailey beams include an upper layer bailey beam and a lower layer bailey beam, and the upper layer bailey beam and the lower layer bailey beam are connected by bolts.
As a preferable scheme of the utility model, the upper-layer bailey beam and the lower-layer bailey beam are composed of a plurality of bailey beams, and adjacent bailey beams are pinned by pins.
As a preferable scheme of the utility model, the Bailey beam comprises three Bailey pieces, the three Bailey pieces are connected through the launching window, and the upper end and the lower end of the Bailey piece are respectively provided with a support frame.
According to a preferable scheme of the utility model, the bailey piece comprises an upper chord, a lower chord, a vertical rod and an oblique rod, wherein the upper chord and the lower chord are composed of two oppositely arranged channel steel, the upper chord comprises a plurality of bolt holes for connecting a support frame, the lower chord is welded with a plurality of steel plates with round holes, and the end parts of the upper chord and the lower chord are provided with male and female connectors which are provided with connecting pin holes.
As a preferable scheme of the utility model, the supporting device comprises a plurality of steel pipe columns, adjacent steel pipe columns are connected through a flange plate, and the steel pipe columns are connected with the strip foundation through bolts.
As a preferred scheme of the utility model, the supporting device comprises a cross link, a longitudinal link and a steel hoop, and the cross link and the longitudinal link are connected with the steel tube upright post through the steel hoop.
As a preferred scheme of the utility model, the transverse link comprises first transverse rods which are symmetrically arranged, a plurality of first vertical rods and first inclined rods are distributed among the first transverse rods which are symmetrically arranged, two ends of each first transverse rod are connected with steel hoops, correspondingly, the longitudinal link comprises second transverse rods which are symmetrically arranged, second vertical rods and second inclined rods are distributed among the second transverse rods which are symmetrically arranged, and two ends of each second transverse rod are connected with the steel hoops.
As a preferred scheme of the utility model, the height adjusting device comprises a pad beam and a sand cylinder, wherein the pad beam and the sand cylinder are of an integrally formed structure.
As a preferable scheme of the utility model, four holes are arranged at the bottom of the sand cylinder, and the paper boards are placed at the inner side holes at the bottom of the sand cylinder.
The utility model has the beneficial effects that:
1. the long-span combined type bent cap support provided by the utility model is provided with the supporting device on the strip foundation, and the structures of the transverse connection, the longitudinal connection, the steel hoop, the steel pipe upright post and the like are connected into a frame type supporting device, so that the normal passing of vehicles in the bent cap projection range in the construction process is ensured.
2. The Bailey beam of the long-span combined type bent cap support is arranged along the bridge direction, so that the self weight of the support is reduced to the maximum extent on the premise of meeting the requirement of supporting force, and the support is convenient to disassemble.
3. The large-span combined type bent cap support provided by the utility model has the advantages of single bent cap support type, convenience in installation, construction cost saving and construction period shortening.
4. The long-span combined type bent cap support provided by the utility model is suitable for various environments, and the limitation caused by the environments is reduced.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a right side view of the present invention;
FIG. 3 is a perspective view of the present invention;
FIG. 4 is a schematic view of the assembly of the cross-bar and steel anchor ear of the present invention;
FIG. 5 is a front view of the Bailey beam of the present invention;
FIG. 6 is a top view of the Bailey beam of the present invention;
FIG. 7 is a schematic view of the structure of the steel tube column of the present invention;
reference numbers in the figures: the steel pipe column comprises a strip foundation 1, a supporting device 2, a bailey structure 3, a height adjusting device 4, an operation platform 5, a bailey piece 6, a launching window 7, a supporting frame 8, a steel pipe column 21, a flange plate 22, a transverse connection 23, a first cross rod 231, a first vertical rod 232, a first inclined rod 233, a longitudinal connection 24, a second cross rod 241, a second vertical rod 242, a second inclined rod 243, a steel hoop 25, a bailey beam 31, an upper-layer bailey beam 311, a lower-layer bailey beam 312, a bailey beam 3111, a pad beam 41, a sand cylinder 42, an upper chord 61, a lower chord 62, a vertical rod 63 and an inclined rod 64.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1-7, a long-span combined type bent cap support comprises a plurality of bar foundations 1, the bar foundations 1 are preferably reinforced concrete, one ends of supporting devices 2 are arranged on the bar foundations 1, bailey structures 3 are arranged at the other ends of the supporting devices 2, an operation platform 5 for bent cap construction is arranged at the top of the bailey structures 3, and a height adjusting device 4 is further arranged between the supporting devices 2 and the bailey structures 3.
Further, the bailey structure 3 includes at least two bailey beams 31, each bailey beam 31 includes an upper-layer bailey beam 311 and a lower-layer bailey beam 312, the upper-layer bailey beam 311 and the lower-layer bailey beam 312 are connected by bolts, the upper-layer bailey beam 311 and the lower-layer bailey beam 312 are composed of a plurality of bailey beams 3111, and adjacent bailey beams 3111 are pinned by pins.
Further, bailey beam 3111 includes three bailey pieces 6, and three bailey pieces 6 are connected through send out window 7, and bailey piece 6 upper and lower both ends are laid support frame 8, and support frame 8 is preferred 2.5m type, and support frame 8 sets up the stability between the reinforcing left and right bailey beam.
Further, bailey piece 6 includes upper chord 61, lower chord 62, montant 63 and down tube 64, upper chord 61, lower chord 62, the preferred welding of the connected mode between montant 63 and the down tube 64, upper chord 61, lower chord 62 comprises two channel-section steels of laying relatively, the channel-section steel is preferably No. 10 channel-section steels, the bolt hole of being connected with adjacent bailey piece 6 has been laid on upper chord 61, lower chord 62, still include a plurality of bolt holes that supply to connect support frame 8 usefulness on the upper chord 61, weld a plurality of steel sheets of taking the round hole on the lower chord 62, upper chord 61, the tip of lower chord 62 is equipped with the negative and positive joint, be equipped with the connection pinhole on the negative and positive joint, make things convenient for the connection between the adjacent bailey piece 6.
Further, the supporting device 2 comprises a plurality of steel pipe columns 21, the steel pipe columns 21 are preferably underground engineering supporting steel pipes phi 609 multiplied by 16mm, the height of the steel pipe columns can be selected to be 6.0m, 5.0m, 4.0m, 3.0m, 2.0m, 1.0m, 0.5m and 0.2m according to actual requirements, the adjacent steel pipe columns 21 are connected through a flange 22, the steel pipe columns 21 are connected with the strip foundation 1 through bolts, and the purpose of adjusting elevation can be achieved by combining the steel pipe columns 21 with different heights. .
Further, the supporting device 2 comprises a cross-link 23, a longitudinal-link 24 and a steel hoop 25, the cross-link 23 and the longitudinal-link 24 are connected with the steel tube upright 21 through the steel hoop 25, the cross-link 23 comprises first cross bars 231 which are symmetrically arranged, a plurality of first vertical bars 232 and first inclined bars 233 are distributed among the first cross bars 231 which are symmetrically arranged, the steel hoop 25 is connected with two ends of the first cross bars 231, correspondingly, the longitudinal-link 24 comprises second cross bars 241 which are symmetrically arranged, second vertical bars 242 and second inclined bars 243 are distributed among the second cross bars 241 which are symmetrically arranged, the steel hoop 25 is connected with two ends of the second cross bars 241, the first cross bars 231, the first vertical bars 232, the first inclined bars 233, the second cross bars 241, the second vertical bars 242 and the second inclined bars 243 are preferably made of section steel and thread steel, and are connected with the steel tube upright 21 to form a frame, and the frame is fastened with the pier body by adopting a seamless steel tube.
Further, height adjusting device 4 includes filler beam 41, sand section of thick bamboo 42, and filler beam 41, sand section of thick bamboo 42 are integrated into one piece structure, and the problem that the pier stud height is inconsistent can be adjusted to filler beam 41 and sand section of thick bamboo 42 placed at the buttress top, and the quantity of the organic matter sand in adjustment filler beam 41 height and the sand section of thick bamboo 42 simultaneously also can realize the purpose of adjustment elevation. The pad beam 41 is made of 22# section steel, the length of each beam is 1.2m, and the pad beam is formed by splicing 6 trusses. Four holes are formed in the bottom of the sand cylinder 42, and a paperboard is placed at the inner side hole in the bottom of the sand cylinder 42, so that the height of the sand cylinder 42 is reduced conveniently during form removal.
When a long-span combined type bent cap support is specifically implemented: installing a strip foundation 1, a supporting device 2, a height adjusting device 4, a Bailey structure 3 and an operation platform 5 from bottom to top, welding 22# section steel into a whole to be used as a pad beam 41 in advance when a pad beam 41 and a sand cylinder 42 in the height adjusting device 4 are installed, calculating the actual height of the sand cylinder 42, reserving the height (generally 1-2cm) of sand sedimentation after the sand cylinder 42 is pressed in advance, filling the calculated height with machine-made sand after the height of the sand cylinder 42 is calculated, welding the pad beam 41 and the bottom of the sand cylinder 42 into a whole, drawing a central point of a steel pipe pile on a flange plate at the end of the steel pipe pile before the sand cylinder 42 is installed, wherein the central point of the sand cylinder 42 corresponds to the central point of the steel pipe pile, and placing the sand cylinder 42 at the top of the steel pipe pile and longitudinally arranging the sand cylinder.
The foundation bearing capacity should be tested when bar foundation 1 arranges, and the bearing capacity should accord with the design specification requirement, and bar foundation 1 arranges and should detect bar foundation 1 roughness and top surface level after accomplishing, if bar foundation 1 roughness does not accord with the requirement, can place the steel sheet between steel-pipe pile and bar foundation, also can use same method on the cushion cap.
When the large-span combined type bent cap support is removed, a high-pressure water gun is firstly used for breaking a paper board arranged at the bottom of the sand cylinder 42, sand is flushed out, and the sand cylinder 42 is completely fallen down; after the sand cylinder 42 falls down, the bottom die in the middle of the bent cap (the bottom die between pier bodies) can be removed, and then the bottom dies on the two sides are removed; and respectively detaching the distribution beam, the Bailey sheet 6, the sand cylinder 42, the pad beam 41, the steel pipe upright 21, the cross link 23, the longitudinal link 24 and the strip foundation 1 from top to bottom.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: the steel pipe column is characterized by comprising terms such as a strip foundation 1, a supporting device 2, a bailey structure 3, a height adjusting device 4, a working platform 5, a bailey sheet 6, a launching window 7, a supporting frame 8, a steel pipe column 21, a flange plate 22, a transverse connection 23, a first cross rod 231, a first vertical rod 232, a first inclined rod 233, a longitudinal connection 24, a second cross rod 241, a second vertical rod 242, a second inclined rod 243, a steel hoop 25, a bailey beam 31, an upper-layer bailey beam 311, a lower-layer bailey beam 312, a bailey beam 3111, a pad beam 41, a sand cylinder 42, an upper chord 61, a lower chord 62, a vertical rod 63 and an inclined rod 64, but the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides a long span combination formula bent cap support which characterized in that: the novel steel plate pile foundation comprises a plurality of strip foundations (1), one ends of supporting devices (2) are arranged on the strip foundations (1), bailey structures (3) are arranged at the other ends of the supporting devices (2), operation platforms (5) used for bent cap construction are arranged at the tops of the bailey structures (3), and height adjusting devices (4) are further arranged between the supporting devices (2) and the bailey structures (3).
2. The long-span combined type bent cap support according to claim 1, wherein: the Bailey structure (3) comprises at least two Bailey beams (31), each Bailey beam (31) comprises an upper Bailey beam (311) and a lower Bailey beam (312), and the upper Bailey beam (311) is connected with the lower Bailey beam (312) through bolts.
3. The long-span combined type bent cap support according to claim 2, wherein: the upper-layer Bailey beam (311) and the lower-layer Bailey beam (312) are composed of a plurality of Bailey beams (3111), and the adjacent Bailey beams (3111) are connected through pin bolts.
4. A long span combined type bent cap support according to claim 3, wherein: the Bailey beam (3111) comprises three Bailey sheets (6), the three Bailey sheets (6) are connected through a sending window (7), and support frames (8) are arranged at the upper end and the lower end of each Bailey sheet (6).
5. The long-span combined type bent cap support as claimed in claim 4, wherein: bailey sheet (6) includes upper chord (61), lower chord (62), montant (63) and down tube (64), and upper chord (61), lower chord (62) comprise two channel-section steels of laying relatively, including supplying a plurality of bolt holes that connect support frame (8) usefulness on upper chord (61), weld a plurality of steel sheets of taking the round hole on lower chord (62), and the tip of upper chord (61), lower chord (62) is equipped with the yin and yang and connects, is equipped with the connection pinhole on the yin and yang connects.
6. The long-span combined type bent cap support according to claim 1, wherein: the supporting device (2) comprises a plurality of steel pipe columns (21), the adjacent steel pipe columns (21) are connected through flanges (22), and the steel pipe columns (21) are connected with the strip foundation (1) through bolts.
7. The long-span combined type bent cap support as claimed in claim 6, wherein: the supporting device (2) comprises a cross link (23), a longitudinal link (24) and a steel hoop (25), and the cross link (23) and the longitudinal link (24) are connected with the steel pipe upright post (21) through the steel hoop (25).
8. The long-span combined type bent cap support according to claim 7, wherein: the transverse connection (23) comprises first cross rods (231) symmetrically arranged, a plurality of first vertical rods (232) and first inclined rods (233) are arranged between the first cross rods (231) symmetrically arranged, steel hoops (25) are connected to the two ends of the first cross rods (231), correspondingly, the longitudinal connection (24) comprises second cross rods (241) symmetrically arranged, second vertical rods (242) and second inclined rods (243) are arranged between the second cross rods (241) symmetrically arranged, and the steel hoops (25) are connected to the two ends of the second cross rods (241).
9. The long-span combined type bent cap support according to claim 1, wherein: the height adjusting device (4) comprises a pad beam (41) and a sand cylinder (42), and the pad beam (41) and the sand cylinder (42) are of an integrally formed structure.
10. The long-span combined type bent cap support according to claim 9, wherein: four holes are formed in the bottom of the sand cylinder (42), and paper boards are placed at the inner side holes in the bottom of the sand cylinder (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120435312.0U CN215329380U (en) | 2021-03-01 | 2021-03-01 | Long span combined type bent cap support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120435312.0U CN215329380U (en) | 2021-03-01 | 2021-03-01 | Long span combined type bent cap support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215329380U true CN215329380U (en) | 2021-12-28 |
Family
ID=79582223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120435312.0U Active CN215329380U (en) | 2021-03-01 | 2021-03-01 | Long span combined type bent cap support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215329380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115055663A (en) * | 2022-07-29 | 2022-09-16 | 浙江交工集团股份有限公司 | A all-in-one of polishing of spraying for T roof beam steel form |
-
2021
- 2021-03-01 CN CN202120435312.0U patent/CN215329380U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115055663A (en) * | 2022-07-29 | 2022-09-16 | 浙江交工集团股份有限公司 | A all-in-one of polishing of spraying for T roof beam steel form |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112411391A (en) | Single-column capping beam steel pipe column Bailey beam construction supporting system and construction method thereof | |
| CN103410102A (en) | H-shaped double column pier wide-bridge-surface cantilever temporary consolidation structure and construction method thereof | |
| CN112726411A (en) | Integral dragging construction method for single-hole large cantilever steel truss girder | |
| CN215329380U (en) | Long span combined type bent cap support | |
| CN112144413B (en) | Whole-span in-situ splicing and erecting method for steel-concrete composite beam in mountainous area | |
| CN114016379A (en) | Emergent combination bridge of pin-connected panel | |
| CN212897482U (en) | Construction platform for high-rise building overhanging structural layer | |
| CN109653076B (en) | Combined type flood control flood gate first bailey steel bridge and construction method | |
| CN111424948A (en) | Construction method and construction platform for cantilever structure layer of high-rise building | |
| CN110593110A (en) | Box girder cast-in-place support suitable for curves and longitudinal and transverse slopes and construction method thereof | |
| CN216892017U (en) | Tie beam integral casting template in template connecting piece and lower stand | |
| CN215482366U (en) | Double-line continuous beam bracket structure | |
| CN215052133U (en) | Steel case roof beam is alternately construction supporting structure from top to bottom | |
| CN115748413A (en) | Continuous steel truss web-plate truss double-layer combined swivel bridge structure | |
| CN112323634B (en) | Installation system and construction method of steel arch bridge of upper-span channel | |
| CN115233538A (en) | Bridge substructure of super-large-span and super-long cantilever arm and design method | |
| CN111638116B (en) | Vertical reaction frame for stress test of prefabricated bridge pier and assembling process of vertical reaction frame | |
| CN211142826U (en) | Box girder cast-in-situ support suitable for curves and longitudinal and transverse slopes | |
| CN112523087A (en) | A beam lifting station for beam slab erects | |
| CN209906223U (en) | Beam gantry crane | |
| CN220685755U (en) | Steel pipe pile sits in steel temporary bridge of cushion cap prevention bridge floor and road surface difference subsidence | |
| CN104532758A (en) | Construction support for pre-stress concrete suspension-poured continuous beam number zero segment | |
| CN213625274U (en) | Continuous beam zero number block combined support | |
| CN109505254A (en) | A kind of temporary consolidation construction method suitable for large-span continuous girder bridges | |
| CN221421657U (en) | Arch bridge structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |