CN212404861U - Bent cap construction formwork structure - Google Patents
Bent cap construction formwork structure Download PDFInfo
- Publication number
- CN212404861U CN212404861U CN202020935033.6U CN202020935033U CN212404861U CN 212404861 U CN212404861 U CN 212404861U CN 202020935033 U CN202020935033 U CN 202020935033U CN 212404861 U CN212404861 U CN 212404861U
- Authority
- CN
- China
- Prior art keywords
- longitudinal main
- pier
- bearing
- bearing steel
- beams
- 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 relates to a bent cap construction formwork structure, which comprises two pier studs, wherein the upper parts of the pier studs are provided with bar penetrating holes which are horizontally penetrated, bearing steel bars are arranged in the bar penetrating holes, the two ends of each bearing steel bar extend out of the side surface of each pier stud, and the two bearing steel bars are vertical to a vertical plane determined by the axes of the two pier studs and have the same height; the part of the bearing steel bar extending out of the pier stud is formed into a bearing section, a bearing steel plate is arranged on the two bearing sections on the same side of the two pier studs in a spanning mode, two jacks are arranged on the bearing steel plate, a longitudinal main beam is supported on the two jacks together, the two longitudinal main beams are equal in height, and a plurality of transverse distribution beams are laid on the two longitudinal main beams; a bottom template is supported on the transverse distribution beam, the pier stud penetrates through the bottom template in a sealing manner, and the upper surface of the pier stud is flush with the bottom template; a plurality of vertical embedded steel bars on the pier column penetrate through a steel bar cage on the bottom template, and the steel bar cage is horizontally arranged on the bottom template through a plurality of quincunx concrete cushion blocks. The structure is simple and reliable, and the building is convenient; the formed capping beam has good quality and connection strength with the pier stud, and the form removal is also convenient.
Description
Technical Field
The utility model belongs to the technical field of the building of road or bridge in the fixed building, concretely relates to bent cap construction formwork structure.
Background
With the development of traffic engineering such as overpasses and viaducts, the proportion of the high pier capping beam structure as a supporting unit of a building pavement is larger and larger in the whole construction, and the high pier construction progress also becomes a main factor influencing the total construction progress. In the construction process of the bent cap, underground grouting foundation piles are firstly formed, then the overground pier columns are cast section by section, after the pier columns reach the designed elevation, the bent cap is cast by erecting a mold on the pier columns, and usually, two adjacent pier columns bear a section of bent cap (the bent cap bears a road or a bridge). After the pier stud reaches the design elevation, have a take the altitude, the frame mould of bent cap, formwork need set up the scaffold frame in the construction site full field usually to cooperate the construction, and the work progress is more complicated, and efficiency is also than lower. In order to solve the problems, people continuously research and improve the problems, technologies such as CN201567532U and CN201762666U are appeared and used in formwork construction of a bent cap at present, the formwork supporting process is facilitated, construction is facilitated, but the reliability is convenient and needs to be enhanced, and for example, in CN201762666U, a vertical I-shaped steel support is further used under a hoop; the technical scheme of CN101922143A is more reliable, but the whole is too complex, the implementation is not strong, and the optimization can be further carried out. In addition, the quality of the formed pouring of the cover beam and the connection with the pier stud is also to be improved.
Disclosure of Invention
The above-mentioned not enough to prior art, the to-be-solved technical problem of the utility model is to provide a bent cap construction formwork structure, avoid current structural reliability not enough, the too complicated problem of structure, gain simple structure reliably, implement convenient effect.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the bent cap construction formwork structure comprises two vertical pier columns, wherein rod penetrating holes which penetrate horizontally are formed in the upper portions of the pier columns, bearing steel rods penetrate through the rod penetrating holes, the two ends of each bearing steel rod extend out of the side faces of the pier columns to be used for formwork support, the axes of the bearing steel rods are intersected with the axes of the pier columns, the bearing steel rods are perpendicular to a vertical plane determined by the axes of the two pier columns, and the two bearing steel rods are equal in height; the part of the bearing steel bar extending out of the pier stud is formed into a bearing section, a bearing steel plate is spanned on the two bearing sections at the same side of the two pier studs, two jacks are arranged on the bearing steel plate and are respectively and correspondingly positioned above one bearing section, and a horizontal longitudinal main beam is supported on the two jacks together; the longitudinal main beams on the two sides of the two piers are equal in height, a plurality of transverse distribution beams are arranged on the two longitudinal main beams, and the two ends of each transverse distribution beam are respectively erected on the two longitudinal main beams; the two longitudinal main beams support a horizontal bottom template through the plurality of transverse distribution beams, the pier stud penetrates through the bottom template in a sealing mode, and the upper surface of the pier stud is flush with the upper surface of the bottom template; the upper surface of pier stud is reserved has a plurality of vertical embedded bars that extend upwards, is equipped with the steel reinforcement cage on the die block, a plurality of vertical embedded bars all pass the steel reinforcement cage, and the steel reinforcement cage is arranged in the upper surface of die block through a plurality of quincunx concrete cushion levels.
According to the technical scheme, the plurality of transverse distribution beams comprise three groups, the three groups of transverse distribution beams are respectively erected on the longitudinal main beam section between the two pier columns and on the longitudinal main beam section extending out of two sides of the two pier columns, the longitudinal main beam section between the two adjacent groups of transverse distribution beams is provided with the longitudinal support section in the same direction as the longitudinal main beam, and the longitudinal support section is supported and arranged between the longitudinal main beam and the bottom template.
Furthermore, the quincunx concrete cushion block is in a cuboid shape, a through hole is formed in the axis position of the quincunx concrete cushion block, the quincunx concrete cushion block is bound and connected with corresponding steel bars on the steel bar cage through a steel wire penetrating through the through hole, four side faces of the quincunx concrete cushion block are inwards concave cylindrical faces, and rounding is arranged between the adjacent cylindrical faces to achieve arc transition; the radian of the cylindrical surface of the quincunx concrete cushion block corresponds to the longitudinal main rib on the reinforcement cage, the axis of the quincunx concrete cushion block is in the same direction with the longitudinal main rib, and the quincunx concrete cushion block is attached to the corresponding longitudinal main rib through any cylindrical surface.
Furthermore, the length of the longitudinal main beam is greater than that of the bottom template, and two ends of the transverse distribution beam respectively extend out of two sides of the bottom template to play a role in protection.
Furthermore, the longitudinal main beams and the transverse distribution beams are made of H-shaped steel, and flange plates of the H-shaped steel are horizontally arranged.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model has simple and reliable structure and convenient construction; the upper surface of the pier stud is roughened, the vertical embedded steel bars of the pier stud are bound and connected with the steel bar cage of the cover beam in a staggered mode, the connection strength of the cover beam and the pier stud is better after the pier stud is poured, the lower portion of the steel bar cage is horizontally arranged on the bottom formwork through the quincunx concrete cushion block, the effective distance between the steel bar cage and the surface of the cover beam after the pier stud is poured is guaranteed, the steel bars are prevented from being exposed, and the quality of the cover beam is further improved.
2. The utility model discloses a bent cap construction formwork structure supports the form that bears steel sheet, jack, vertical girder, horizontal distribution roof beam, vertical support section, die block board through the load rod iron, and level clarity, reliability are high, and the jack is after the bent cap is pour the shaping, unloads pressure, can implement the form removal so that recycle very conveniently.
Drawings
FIG. 1 is a schematic structural view of a formwork structure for capping beam construction according to an embodiment;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is an enlarged view of part A of FIG. 3;
the steel bar reinforced concrete pier comprises a pier stud 1, a bar penetrating hole 11, vertical embedded steel bars 12, a force bearing steel bar 2, a bearing section 21, a bearing steel plate 3, a jack 31, a longitudinal main beam 4, a transverse distribution beam 41, a longitudinal supporting section 42, a bottom formwork 5, a steel bar cage 6, a longitudinal main rib 61, a quincunx concrete cushion block 7, a through hole 71, a cylindrical surface 72, a radius 73 and steel wires 74.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1-3, the capping beam construction formwork structure of the embodiment includes two vertical pier studs 1 that have been formed, a rod penetrating hole 11 that horizontally penetrates is formed in the upper portion of each pier stud 1, a bearing steel bar 2 penetrates through the rod penetrating hole 11, two ends of each bearing steel bar 2 extend out of the corresponding side surface of each pier stud 1 to be used for formwork support, the axis of each bearing steel bar 2 is intersected with the axis of each pier stud 1, the bearing steel bar 2 is perpendicular to a vertical plane determined by the axes of the two pier studs 1, and the two bearing steel bars 2 have the same height; the part of the bearing steel bar 2 extending out of the pier stud 1 is formed into a bearing section 21, a horizontal bearing steel plate 3 spans the bearing sections 21 of the two bearing steel bars 2 on the same side of the two pier studs 1, two jacks 31 are arranged on the bearing steel plate 3, the two jacks 31 are respectively and correspondingly positioned above one bearing section 21, a horizontal longitudinal main beam 4 is jointly supported on the two jacks 31, and the longitudinal main beam 4 is vertical to the bearing steel bar 2; the longitudinal main beams 4 at the two sides of the two pier studs 1 are equal in height, a plurality of transverse distribution beams 41 are arranged on the two longitudinal main beams 4, the transverse distribution beams 41 are perpendicular to the longitudinal main beams 4 and are parallel to the force bearing steel bars 2, and the two ends of each transverse distribution beam 41 are respectively overlapped on the two longitudinal main beams 4; the two longitudinal main beams 4 support a horizontal bottom formwork 5 through the plurality of transverse distribution beams 41, the pier stud 1 penetrates through the bottom formwork 5 in a sealing mode, and the upper surface of the pier stud 1 is flush with or slightly higher than the upper surface of the bottom formwork 5; the upper surface of pier stud 1 is reserved has a plurality of vertical embedded steel bars 12 that upwards extend, is equipped with the embedded reinforcement cage 6 of bent cap on the die block 5, a plurality of vertical embedded steel bars 12 all pass reinforcement cage 6 through the clearance of reinforcement cage 6, and die block 5's upper surface is arranged in to reinforcement cage 6 level through a plurality of quincunx concrete cushion 7. During the implementation, pier stud 1 passes bottom forms 5 through the hole that has seted up in advance on the bottom forms 5, sets up sealed in order to prevent the seepage of concrete thick liquid between this hole and pier stud 1 side.
The bent cap construction formwork structure of the embodiment is simple and reliable in structure and convenient to construct; the upper surface of the pier stud 1 is chiseled, the vertical embedded steel bars 12 of the pier stud 1 are in staggered binding connection with the steel bar cage 6 of the bent cap, the connection strength of the bent cap and the pier stud 1 which are formed after pouring is better, the lower part of the steel bar cage 6 is horizontally arranged on the bottom template 5 through a quincunx concrete cushion block 7, the effective distance between the steel bar cage 6 and the surface of the bent cap which is formed after pouring is ensured, the steel bars are prevented from being exposed, and the quality of the bent cap is further improved; the bearing steel bar 2 supports the bearing steel plate 3, the jack 31, the longitudinal main beam 4, the transverse distribution beam 41 and the bottom template 5, so that the device has clear layers and high reliability, and the jack 31 can conveniently perform form removal for recycling after the capping beam is poured and molded and then removes pressure. During implementation, it can be understood that the side formworks are arranged around the bottom formwork 5, and the space between the side surface of the reinforcement cage 6 and the corresponding side formworks can be ensured by the quincunx concrete cushion blocks 7.
Wherein, a plurality of horizontal distribution roof beams 41 include three groups, and every horizontal distribution roof beam 41 of group comprises the horizontal distribution roof beam 41 that a plurality of equidistance intervals set up, and three horizontal distribution roof beams 41 of group are taken respectively and are established on the vertical girder segment between two pier stud 1 and extend on the vertical girder segment on two pier stud 1 both sides, are equipped with the vertical support section 42 with vertical girder 4 syntropy on the vertical girder segment between adjacent two sets of horizontal distribution roof beams 41, and vertical support section 42 supports and locates between vertical girder 4 and the die block board 5.
Therefore, the problem that the bottom formwork 5 at the two sides of the pier stud 1 is partially supported by the transverse distribution beams 41 is solved, the two sides of the pier stud 1 play a role in supplementing support, the support strength is improved, the deformation of the bottom formwork 5 in use is reduced, and the shape and the flatness of the formed bent cap are ensured.
Referring to fig. 4, the quincunx concrete cushion block 7 is rectangular, a through hole 71 is formed in the axis position of the quincunx concrete cushion block 7, the quincunx concrete cushion block 7 is bound and connected with a corresponding steel bar on the steel bar cage 6 through a steel wire 74 penetrating through the through hole 71, four side surfaces of the quincunx concrete cushion block 7 are concave cylindrical surfaces 72, and a radius 73 is arranged between the adjacent cylindrical surfaces 72 to perform arc transition; the radian of the cylindrical surface 72 of the quincunx concrete cushion block 7 corresponds to the longitudinal main rib 61 on the reinforcement cage 6, the axis of the quincunx concrete cushion block 7 is in the same direction with the longitudinal main rib 61, the quincunx concrete cushion block 7 is attached to the corresponding longitudinal main rib 61 through any cylindrical surface 72, and the corresponding round edge 73 falls on the bottom formwork 5.
Therefore, the stress is uniform, and the steel bar is more firmly attached.
In practice, the length of the longitudinal main beam 4 should be greater than that of the bottom form 5, and two ends of the transverse distribution beam 41 may also extend beyond two sides of the bottom form 5 to perform a protection function.
In implementation, the longitudinal main beam 4, the longitudinal support section 42 and the transverse distribution beam 41 can adopt H-shaped steel or I-shaped steel with proper marks, and the flange plates are horizontally arranged so as to be convenient for bearing.
During implementation, the rod penetrating hole 11 can be formed by a pre-embedded corrugated pipe in the pouring forming process of the pier stud 1 to ensure the use strength and avoid the abrasion consumption of the pier stud 1, the DN180PVC corrugated pipe can be used, the bearing steel rod 2 with phi 160 penetrating inside can be used, and the specification and model of the jack 31 can be selected according to the requirement by bearing weight design.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (5)
1. The bent cap construction formwork structure comprises two vertical pier columns, wherein rod penetrating holes which penetrate horizontally are formed in the upper portions of the pier columns, bearing steel rods penetrate through the rod penetrating holes, the two ends of each bearing steel rod extend out of the side faces of the pier columns to be used for formwork support, the axes of the bearing steel rods are intersected with the axes of the pier columns, the bearing steel rods are perpendicular to a vertical plane determined by the axes of the two pier columns, and the two bearing steel rods are equal in height; the method is characterized in that: the part of the bearing steel bar extending out of the pier stud is formed into a bearing section, a bearing steel plate is spanned on the two bearing sections at the same side of the two pier studs, two jacks are arranged on the bearing steel plate and are respectively and correspondingly positioned above one bearing section, and a horizontal longitudinal main beam is supported on the two jacks together; the longitudinal main beams on the two sides of the two piers are equal in height, a plurality of transverse distribution beams are arranged on the two longitudinal main beams, and the two ends of each transverse distribution beam are respectively erected on the two longitudinal main beams; the two longitudinal main beams support a horizontal bottom template through the plurality of transverse distribution beams, the pier stud penetrates through the bottom template in a sealing mode, and the upper surface of the pier stud is flush with the upper surface of the bottom template; the upper surface of pier stud is reserved has a plurality of vertical embedded bars that extend upwards, is equipped with the steel reinforcement cage on the die block, a plurality of vertical embedded bars all pass the steel reinforcement cage, and the steel reinforcement cage is arranged in the upper surface of die block through a plurality of quincunx concrete cushion levels.
2. The bent cap construction formwork structure of claim 1, wherein: the horizontal distribution beams comprise three groups, the three groups of horizontal distribution beams are respectively erected on the longitudinal main beam section between the two pier columns and on the longitudinal main beam section extending out of two sides of the two pier columns, the longitudinal main beam section between the two adjacent groups of horizontal distribution beams is provided with a longitudinal supporting section in the same direction with the longitudinal main beam, and the longitudinal supporting section is supported and arranged between the longitudinal main beam and the bottom template.
3. The bent cap construction formwork structure of claim 1, wherein: the quincunx concrete cushion block is rectangular, a through hole is formed in the axis position of the quincunx concrete cushion block, the quincunx concrete cushion block is bound and connected with corresponding steel bars on a steel bar cage through a steel wire penetrating through the through hole, four side faces of the quincunx concrete cushion block are concave cylindrical faces, and rounding is arranged between the adjacent cylindrical faces to achieve arc transition; the radian of the cylindrical surface of the quincunx concrete cushion block corresponds to the longitudinal main rib on the reinforcement cage, the axis of the quincunx concrete cushion block is in the same direction with the longitudinal main rib, and the quincunx concrete cushion block is attached to the corresponding longitudinal main rib through any cylindrical surface.
4. The bent cap construction formwork structure of claim 1, wherein: the length of the longitudinal main beam is greater than that of the bottom template, and two ends of the transverse distribution beam extend out of two sides of the bottom template respectively to play a role in protection.
5. The bent cap construction formwork structure according to any one of claims 1 to 4, wherein: the longitudinal main beam and the transverse distribution beam are made of H-shaped steel, and flange plates of the longitudinal main beam and the transverse distribution beam are horizontally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020935033.6U CN212404861U (en) | 2020-05-28 | 2020-05-28 | Bent cap construction formwork structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020935033.6U CN212404861U (en) | 2020-05-28 | 2020-05-28 | Bent cap construction formwork structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212404861U true CN212404861U (en) | 2021-01-26 |
Family
ID=74403277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020935033.6U Active CN212404861U (en) | 2020-05-28 | 2020-05-28 | Bent cap construction formwork structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212404861U (en) |
-
2020
- 2020-05-28 CN CN202020935033.6U patent/CN212404861U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110387822B (en) | Cast-in-situ bent cap assembly type steel pipe support and construction method thereof | |
| CN214245383U (en) | Combined die system for bent cap construction | |
| CN214613367U (en) | Wide construction structures is pieced together to stake board-like road bed | |
| CN211947993U (en) | Support for large-span cast-in-situ bridge construction | |
| CN210684430U (en) | Main bridge jacking system of large-span tied arch bridge | |
| CN219671054U (en) | Steel-concrete combined small box girder prefabricated by integral hoisting | |
| CN111851252A (en) | Steel-concrete combined arch bridge crossing karst cave in tunnel and construction method thereof | |
| CN116289521A (en) | Split prefabricated assembled bridge and construction method thereof | |
| CN212404861U (en) | Bent cap construction formwork structure | |
| CN218596920U (en) | Face empty assembled concrete bent cap cast-in-place construction support | |
| CN110593115A (en) | Cast-in-place box girder support system and construction method thereof | |
| CN207277211U (en) | Large steel pipe truss for bent cap cast-in-place construction | |
| CN212611890U (en) | Steel-concrete combined arch bridge crossing karst cave in tunnel | |
| CN114855584A (en) | Separated type ultra-wide prestressed concrete box girder structure and construction method thereof | |
| CN210482000U (en) | Limiting device for jacking construction of large-span steel pipe concrete tied arch bridge | |
| CN210507105U (en) | Lattice type bent cap | |
| CN112502023A (en) | Slot-connected steel-concrete combined rigid frame bridge and construction method thereof | |
| CN112360216A (en) | Concrete storage bin top plate construction method | |
| CN104532758A (en) | Construction support for pre-stress concrete suspension-poured continuous beam number zero segment | |
| CN216864787U (en) | Curve simply supported bridge structure with variable cross-section bent cap | |
| CN216786853U (en) | Cast-in-place case roof beam construction structures of big width | |
| CN216765557U (en) | Pile slab bridge supporting structure | |
| CN114293485B (en) | Arch bridge reinforced structure without traffic interruption and construction method thereof | |
| CN221297633U (en) | Upper jacking structure of cover beam removal | |
| CN217104674U (en) | Thin-wall opening steel box-prestressed reinforced concrete combined capping beam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |