CN113622308A - Bottle pier shaft and bent cap integration construction formwork - Google Patents
Bottle pier shaft and bent cap integration construction formwork Download PDFInfo
- Publication number
- CN113622308A CN113622308A CN202110861355.XA CN202110861355A CN113622308A CN 113622308 A CN113622308 A CN 113622308A CN 202110861355 A CN202110861355 A CN 202110861355A CN 113622308 A CN113622308 A CN 113622308A
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- China
- Prior art keywords
- template
- pier body
- bent cap
- back rib
- pier
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
Abstract
The invention provides a bottle pier body and bent cap integrated construction template structure which comprises a bent cap outer template, a pier body template, a bent cap bottom template, a bottom template truss and a counter-pulling system, wherein the pier body template comprises a pier body outer template and a pier body inner template, the counter-pulling system comprises a counter-pulling system I, a counter-pulling system II and a counter-pulling system III, the bent cap outer template is provided with a vertical back rib and a bent cap horizontal back rib, the vertical back rib is fastened through the counter-pulling system I, the bent cap horizontal back rib is fastened through the counter-pulling system II, the pier body template is provided with a pier body horizontal back rib, the pier body horizontal back rib is fastened through the counter-pulling system III, the bottom of the bottom template truss is provided with a plurality of connecting ear plates I, the pier body inner template is provided with a connecting ear plate II, an oblique pull rod is connected between the connecting ear plates I and the connecting ear plates II, and the horizontal pull rod is connected between the connecting ear plates II. The bent cap formwork and the pier body formwork are of an integrated structure, so that the structural integrity and stability of the pier body are improved, the material investment and the construction procedures are reduced, and the construction efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to a bottle pier body and bent cap integrated construction template.
Background
The vase pier is a special pier column structure and consists of double columns and a cover beam, wherein the double columns are in beautiful line shapes and are light and slender. The existing vase pier construction generally needs to set up a floor support, construction operators perform pier stud and bent cap template, steel bar installation operation and bent cap prestress tensioning on the floor support, and meanwhile, the floor support is also used as a bearing structure for the construction of an externally suspended curved pier stud and a bent cap. And the setting up of falling to the ground support needs the ground to handle to avoid the support to subside and cause pier stud and the cracked emergence of bent cap, and the falling to the ground support occupies great construction area space, influences the construction vehicle and passes, unfavorable construction operation. Meanwhile, the existing construction method of combining the single-column solid pier column or the double-column pier capping beam without a support template and a support, such as an embedding method, a hoop method, a suspension method and the like, is not suitable for the construction of the vase pier, and has the main defects that: the embedded method needs to arrange section steel penetrating through the pier stud in the pier stud or arrange a bracket on the pier stud to be used as a support of a template and a bracket, so that the pier stud is greatly damaged and the appearance is influenced; the anchor ear method is that an anchor ear is arranged at a proper position of a pier stud and is clamped with the pier stud, and the friction force between the anchor ear and the pier stud is utilized to support and transmit the weight of a template and a cover beam to the pier stud, so that enough friction force is difficult to provide for the slender vase pier stud to safely transmit load, and the concrete on the surface of the pier stud is damaged to influence the appearance; the suspension method needs to embed profile steel in the pier stud, the embedded profile steel provides suspension force to support the weight of the template and the cover beam, the cross section of the vase pier stud is small, the steel bars of the pier stud are densely distributed and are in a curve shape, the embedding space of the profile steel is difficult to provide, and the stress of the profile steel can cause cracks to be generated on the pier stud, which is not favorable for the structural safety. And still set up bent cap and bent cap support that bent cap construction required on the vase mound, the material input is more, and the time limit for a project is also longer.
Disclosure of Invention
The invention provides a bottle pier body and capping beam integrated construction template structure, wherein the capping beam and a pier body template are integrated, so that the structural integrity of the pier body is improved, the material investment is reduced, and the construction efficiency is improved.
The technical scheme of the invention is as follows: a bottle pier body and bent cap integrated construction template structure comprises a bent cap outer template, a pier body template, a bent cap bottom template, a bottom die truss and a split system, wherein the pier body template comprises a pier body outer template and a pier body inner template, the pier body outer template and the bent cap outer template are integrated into a whole, the pier body inner template and the bent cap bottom template are integrated into a whole, the split system comprises a split system I, a split system II and a split system III, the bent cap outer template is provided with a vertical back rib and a bent cap horizontal back rib, the vertical back rib is fastened through the split system I, the bent cap horizontal back rib is fastened through the split system II, the pier body template is provided with a pier body horizontal back rib, the pier body horizontal back rib is fastened through the split system III, the bottom die truss is arranged along the transverse bridge direction at the bottom of the bent cap bottom template, the bottom of the bottom die truss is provided with a plurality of connecting ear plates I, be equipped with on the pier shaft inner formword and connect otic placode II, it is connected with the slant pull rod to connect between otic placode I and the connection otic placode II, connect and be connected with horizontal pull rod between the otic placode II, reach equilibrium at the cross bridge to the atress through slant pull rod and horizontal pull rod, reduced the effect of bent cap work progress horizontal force to pier shaft template, avoided pier shaft concrete to receive the disturbance at the intensity in-process that rises.
Preferably, the connecting lug plate I, the connecting lug plate II, the oblique pull rod and the horizontal pull rod are provided with connecting holes, and the pin shaft penetrates through the connecting holes to connect the oblique pull rod and the horizontal pull rod with the connecting lug plate I and the connecting lug plate II respectively.
Preferably, four connecting lug plates I are arranged in the transverse bridge direction and symmetrically distributed along the center of the bridge.
Preferably, the opposite-pulling system comprises an anchoring base, a threaded steel bar, an anchor base plate and a nut, wherein the anchoring base is arranged at two ends of the vertical back rib, the horizontal back rib of the cover beam and the horizontal back rib of the pier body, one end of the threaded steel bar is fixedly penetrated in the anchoring base, the other end of the threaded steel bar penetrates through the outer formwork of the cover beam and the outer side of the pier body formwork to be provided with the anchor base plate, and the nut is sleeved on the threaded steel bar outside the anchor base plate to be fixedly anchored, so that the vertical back rib, the horizontal back rib of the cover beam and the horizontal back rib of the pier body are fastened.
Preferably, pier shaft level back rib includes the horizontal level back rib of pier shaft and the vertical level back rib of pier shaft, sets up the corner at pier shaft template.
Preferably, the horizontal back rib of the bent cap comprises a transverse horizontal back rib of the bent cap and a longitudinal horizontal back rib of the bent cap, and is arranged at the corner of the outer formwork of the bent cap.
Preferably, the vertical back ribs are uniformly and vertically arranged on the outer cover beam template along the longitudinal bridge direction and the transverse bridge direction.
When concrete is poured to a position above the bottom surface of the bent cap, the inclined pull rod and the horizontal pull rod are fastened, the lateral thrust of the inclined pull rod to a pier body template is offset through the fastening force of the horizontal pull rod, and the vertical supporting force of the truss lifting arch of the bottom die of the bent cap is provided, so that the height of the bent cap after pouring is ensured.
The invention has the advantages that: the invention provides a bottle pier body and capping beam integrated construction template structure, which creatively arranges a capping beam and a pier body template into a whole, realizes fastening and fixing through a counter-pulling system, achieves balance through a diagonal pull rod and a horizontal pull rod in the transverse bridge direction, reduces the action of horizontal force on the pier body template in the capping beam construction process, avoids disturbance of pier body concrete in the strength rising process, and simultaneously reduces the built-in parts of a capping beam bottom die support and the erection of the capping beam support, improves the structural integrity of the pier body, improves the appearance attractiveness of the pier body, reduces material investment, improves construction efficiency and creates good economic benefits.
Drawings
FIG. 1 is a schematic structural diagram of a bottle pier body and capping beam integrated construction template;
FIG. 2 is a schematic structural view of a counter-pulling system of the bottle pier body and capping beam integrated construction template of the invention;
wherein: 1. capping beam exterior sheathing, 2, vertical back rib, 3, to drawing system I, 4, capping beam horizontal back rib, 5, to drawing system II, 6, pier shaft template, 7, pier shaft horizontal back rib, 8, to drawing system III, 9, capping beam die block, 10, die block truss, 11, engaging lug board I, 12, slant pull rod, 13, horizontal pull rod, 14, engaging lug board II, 15, cushion cap, 16, anchor base, 17, nut, 18, twisted steel, 19, anchor backing plate.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which a person skilled in the art can, without any creative effort, fully implement the present invention.
The specific implementation mode of the invention is as follows: as shown in fig. 1-2, a bottle pier body and capping beam integrated construction template structure comprises a capping beam outer template 1, a pier body template 6, a capping beam bottom template 9, a bottom template truss 10 and a counter-pulling system, wherein the pier body template 6 comprises a pier body outer template and a pier body inner template, the pier body outer template and the capping beam outer template 1 are of an integrated structure, the pier body inner template and the capping beam bottom template 9 are of an integrated structure, the counter-pulling system comprises a counter-pulling system i 3, a counter-pulling system ii 5 and a counter-pulling system iii 8, the capping beam outer template 1 is provided with a vertical back rib 2 and a capping beam horizontal back rib 4, the vertical back rib 2 is fastened through the counter-pulling system i 3, the capping beam horizontal back rib 4 is fastened through the counter-pulling system ii 5, the pier body template 6 is provided with a pier body horizontal back rib 7, the pier body horizontal back rib 7 is fastened through the counter-pulling system iii 8, the bottom template 10 is transversely arranged along the bottom of the capping beam bottom template 9, die block truss 10 bottom is equipped with a plurality of connection otic placodes I11, be equipped with on the pier shaft inner formword and connect otic placode II 14, be connected with slant pull rod 12 between connection otic placode I11 and the connection otic placode II 14, be connected with horizontal pull rod 13 between the connection otic placode II 14, reach the equilibrium to the atress at the cross bridge through slant pull rod 12 and horizontal pull rod 13, reduced bent cap work progress horizontal force to pier shaft template 6's effect, avoided pier shaft concrete to receive the disturbance at the ascending in-process of intensity.
In this embodiment, the connecting structure further includes a pin, connecting holes are formed in the connecting ear plate i 11, the connecting ear plate ii 14, the diagonal pull rod 12 and the horizontal pull rod 13, and the pin penetrates through the connecting holes to connect the diagonal pull rod 12 and the horizontal pull rod 13 with the connecting ear plate i 11 and the connecting ear plate ii 14 respectively.
In this embodiment, four connecting ear plates i 11 are further arranged in the transverse bridge direction and symmetrically arranged along the center of the bridge.
In this embodiment, it is further, the opposite-pull system includes anchor base 16, screwed steel bar 18, anchor backing plate 19, nut 17, anchor base 16 sets up respectively at the both ends of vertical back rib 2, bent cap horizontal back rib 4 and pier shaft horizontal back rib 7, screwed steel bar 18 one end is run through and is fixed in anchor base 16, and the other end passes bent cap exterior sheathing 1 or the pier shaft template 6 outside and installs anchor backing plate 19, and nut 17 cover is established and is fixed its anchor on screwed steel bar 18 in the anchor backing plate 19 outside, realizes the fastening of vertical back rib 2 or bent cap horizontal back rib 4 or pier shaft horizontal back rib 7.
In this embodiment, further, pier shaft horizontal back rib 7 includes pier shaft horizontal back rib and pier shaft vertical horizontal back rib, sets up in pier shaft template 6's edge, with pier shaft template 6 fastening structure as an organic whole.
In this embodiment, further, the horizontal back rib 4 of the bent cap comprises a horizontal back rib of the bent cap and a longitudinal horizontal back rib of the bent cap, and is arranged at a corner of the bent cap outer formwork 1 to fix all four sides of the bent cap outer formwork 1.
In the embodiment, further, the vertical back ribs 2 are uniformly vertically arranged on the outer template 1 of the cover beam along the longitudinal bridge direction and the transverse bridge direction.
According to the invention, the integral capping beam template and the pier body template are installed after the construction of the bearing platform 15 is completed, the capping beam template and the pier body template are fastened into an integral structure through the counter-pulling system, the oblique pull rod 12 and the horizontal pull rod 13 to carry out vase pier body and capping beam construction, the erection of a bracket and the arrangement of embedded parts are reduced, the appearance influence on the pier body is reduced, meanwhile, construction materials are reduced, the construction cost is saved, the construction procedures are reduced, the construction period is prolonged, the oblique pull rod 12 and the horizontal pull rod 13 enable the stress of the whole template to be balanced in the transverse bridge direction, the effect of the horizontal force on the pier body template 6 in the capping beam construction process is reduced, and the pier body concrete is prevented from being disturbed in the strength rising process.
While the preferred embodiments of the invention have been described, it is to be understood that the invention is not limited to the precise embodiments described, and that equipment and structures not described in detail are understood to be practiced as commonly known in the art; any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention by those skilled in the art can be made without departing from the technical scope of the present invention, and still fall within the protection scope of the technical solution of the present invention.
Claims (7)
1. A bottle pier body and bent cap integrated construction template structure is characterized by comprising a bent cap outer template, a pier body template, a bent cap bottom template, a bottom die truss and a counter-pulling system, wherein the pier body template comprises a pier body outer template and a pier body inner template, the pier body outer template and the bent cap outer template are of an integrally formed structure, the pier body inner template and the bent cap bottom template are of an integrally formed structure, the counter-pulling system comprises a counter-pulling system I, a counter-pulling system II and a counter-pulling system III, the bent cap outer template is provided with a vertical back rib and a bent cap horizontal back rib, the vertical back rib is fastened through the counter-pulling system I, the bent cap horizontal back rib is fastened through the counter-pulling system II, the pier body template is provided with a pier body horizontal back rib, the pier body horizontal back rib is fastened through the counter-pulling system III, the bottom die truss is arranged along the transverse bridging direction of the bottom of the bent cap bottom die truss, the bottom die truss is provided with a plurality of connecting ear plates I, be equipped with on the pier shaft inner formword and connect otic placode II, it is connected with the slant pull rod to connect between otic placode I and the connection otic placode II, connect and be connected with horizontal pull rod between the otic placode II, reach equilibrium at the cross bridge to the atress through slant pull rod and horizontal pull rod, reduced the effect of bent cap work progress horizontal force to pier shaft template, avoided pier shaft concrete to receive the disturbance at the intensity in-process that rises.
2. The bottle pier body and bent cap integrated construction template structure as claimed in claim 1, further comprising a pin shaft, wherein the connecting ear plate I, the connecting ear plate II, the oblique pull rod and the horizontal pull rod are provided with connecting holes, and the pin shaft penetrates through the connecting holes to connect the oblique pull rod and the horizontal pull rod with the connecting ear plate I and the connecting ear plate II respectively.
3. The bottle pier body and capping beam integrated construction template structure as claimed in claim 1, wherein four connecting ear plates I are arranged in the transverse bridge direction and symmetrically arranged along the center of the bridge.
4. The bottle pier body and capping beam integrated construction template structure according to claim 1, wherein the counter-pulling system comprises an anchoring base, a threaded steel bar, an anchoring base plate and a nut, the anchoring base is arranged at two ends of the vertical back rib or the capping beam horizontal back rib or the pier body horizontal back rib, one end of the threaded steel bar penetrates through and is fixed in the anchoring base, the other end of the threaded steel bar penetrates through the capping beam outer template or the pier body template outer side to be provided with the anchoring base plate, and the nut is sleeved on the threaded steel bar on the outer side of the anchoring base plate to be anchored and fixed, so that the vertical back rib or the capping beam horizontal back rib or the pier body horizontal back rib is fastened.
5. The bottle pier body and bent cap integrated construction template structure as claimed in claim 1, wherein the pier body horizontal back ribs comprise pier body transverse horizontal back ribs and pier body longitudinal horizontal back ribs, and are arranged at corners of the pier body template.
6. The bottle pier shaft and capping beam integrated construction formwork structure according to claim 1, wherein the capping beam horizontal back rib comprises a capping beam transverse horizontal back rib and a capping beam longitudinal horizontal back rib, and is arranged at the corner of the capping beam outer formwork.
7. The bottle pier body and capping beam integrated construction formwork structure according to claim 1, wherein the vertical back ribs are vertically arranged on the capping beam outer formwork in the longitudinal bridge direction and the transverse bridge direction uniformly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110861355.XA CN113622308A (en) | 2021-07-29 | 2021-07-29 | Bottle pier shaft and bent cap integration construction formwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110861355.XA CN113622308A (en) | 2021-07-29 | 2021-07-29 | Bottle pier shaft and bent cap integration construction formwork |
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| Publication Number | Publication Date |
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| CN113622308A true CN113622308A (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110861355.XA Pending CN113622308A (en) | 2021-07-29 | 2021-07-29 | Bottle pier shaft and bent cap integration construction formwork |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960455A (en) * | 2022-06-28 | 2022-08-30 | 保利长大工程有限公司 | Method for preventing and treating cracking of bonding surface of flower vase pier column and cover beam |
-
2021
- 2021-07-29 CN CN202110861355.XA patent/CN113622308A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960455A (en) * | 2022-06-28 | 2022-08-30 | 保利长大工程有限公司 | Method for preventing and treating cracking of bonding surface of flower vase pier column and cover beam |
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