CN114232501B - Integrated template structure of capping beam pier column - Google Patents
Integrated template structure of capping beam pier column Download PDFInfo
- Publication number
- CN114232501B CN114232501B CN202210052587.5A CN202210052587A CN114232501B CN 114232501 B CN114232501 B CN 114232501B CN 202210052587 A CN202210052587 A CN 202210052587A CN 114232501 B CN114232501 B CN 114232501B
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- reinforcement cage
- template
- cage
- pier column
- steel bar
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- 230000002787 reinforcement Effects 0.000 claims abstract description 136
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 76
- 239000010959 steel Substances 0.000 claims abstract description 76
- 238000009434 installation Methods 0.000 claims description 6
- 210000003205 muscle Anatomy 0.000 claims description 6
- 238000009415 formwork Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 8
- 238000000465 moulding Methods 0.000 abstract 1
- 238000009417 prefabrication Methods 0.000 abstract 1
- 239000004567 concrete Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a capping beam and pier column integrated template structure, which belongs to the technical field of building bridges and comprises a capping beam template and a pier column template, wherein the bottom of the capping beam template is provided with a jack for the pier column template to pass through; the utility model discloses a bent cap template, including the bent cap template, the bent cap template internal connection is provided with first steel reinforcement cage, the bent cap template adopt the steel sheet structure and with first steel reinforcement cage fixed fit, around the jack be provided with annular support steel reinforcement cage around the jack, the upper end of second steel reinforcement cage is provided with rotation supporting part, the second steel reinforcement cage is followed the jack is in deep back is located in the annular support steel reinforcement cage, the second steel reinforcement cage passes through rotation supporting part sets up in annular support steel reinforcement cage. The integrated template structure can be used for integrally pouring the capping beam and the pier stud, and the construction efficiency and the construction quality are improved, the construction precision of a bridge is ensured, and the cost is saved through factory prefabrication molding.
Description
Technical Field
The invention belongs to the technical field of building bridges, and particularly relates to a capping beam pier column integrated template structure.
Background
The bent cap refers to a cross beam arranged at the top of the bent pile pier for supporting, distributing and transferring the load of the upper structure. Also known as a hat beam. The capping beam is a bridge with two piers, and reinforced concrete or beams with little reinforced concrete are arranged on the piers (tables) or the row piles. The main function is to support the bridge superstructure and to transfer the full load to the substructure. Most of the existing bent cap is erected on the pier column through an anti-seismic support, and in the long-term use process, the bent cap easily slides transversely or longitudinally relative to the pier column, so that serious potential safety hazards are brought to the use of the bridge.
Disclosure of Invention
In view of the above, the invention aims to provide a capping beam and pier stud integrated template structure which can be used for integrally pouring a capping beam and a pier stud, and the capping beam and the pier stud can be prefabricated and formed by factories, so that the construction efficiency and quality are improved, the construction precision of a bridge is ensured, and the cost is saved.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention relates to a capping beam and pier column integrated template structure, which comprises a capping beam template and a pier column template, wherein the bottom of the capping beam template is provided with a jack for the pier column template to pass through; the cover beam template is internally connected with a first steel reinforcement cage, the cover beam template adopts a steel plate structure and is fixedly matched with the first steel reinforcement cage, an annular supporting steel reinforcement cage is arranged around the jack and is fixedly connected with the first steel reinforcement cage, the upper end of the pier column template stretches into the jack and exceeds the bottom surface of the cover beam template, the pier stud template internal connection is provided with the second steel reinforcement cage, the pier stud template adopt the steel sheet structure and with second steel reinforcement cage fixed fit, the upper end of second steel reinforcement cage is provided with the rotation supporting part, the second steel reinforcement cage is followed the jack is in after going deep in the annular support steel reinforcement cage, the second steel reinforcement cage passes through the rotation supporting part erect in the annular support steel reinforcement cage.
Further, the rotation support part comprises an outer cylinder, an inner rod which is connected with the outer cylinder in a rotating way and limited in the axial direction, and a support plate which is fixedly arranged at the upper end of the inner rod, wherein when the support plate is installed, the outer end of the support plate rotates from the inner side of the second reinforcement cage to the outer side so as to support the second reinforcement cage.
Further, the upper end of urceolus is provided with the closing cap in an organic whole, the through-hole has been seted up on the closing cap, the lower extreme fixedly connected with of interior pole a stop plate, the external diameter of stop plate is greater than the internal diameter of through-hole can be through the closing cap is right the stop plate is spacing, the upper end of interior pole is followed the through-hole stretches out the back and is connected to the backup pad.
Further, the backup pad includes fixed backup pad and movable backup pad, one side of fixed backup pad with interior pole fixed connection, the opposite side of fixed backup pad with the movable backup pad passes through the pivot pin joint, the movable backup pad can be around pivot in vertical rotation, can lock through locking device between movable backup pad and the fixed backup pad.
Further, semicircular supporting grooves are formed in the lower side of the movable supporting plate, the size of each supporting groove is larger than that of the reinforcing bars of the annular supporting reinforcement cage, the supporting grooves can be matched with the reinforcing bars of the annular supporting reinforcement cage to support, hanging holes are formed in the upper portion of the fixed supporting plate, and the inner rod can be pulled upwards through the hanging holes to rotate.
Further, the first steel reinforcement cage includes a plurality of horizontal muscle that set up side by side, will horizontal muscle fixed connection's first stirrup, be used for installing is seted up at the both ends of bent cap template the mounting hole of horizontal muscle, the first steel reinforcement cage still includes a plurality of longitudinal reinforcement, longitudinal reinforcement pass the second steel reinforcement cage and simultaneously with first steel reinforcement cage and second steel reinforcement cage welding, be used for installing is seted up to the both sides of bent cap template the mounting hole of longitudinal reinforcement.
Further, the second steel reinforcement cage includes interior steel reinforcement cage, cover and establishes including the outer steel reinforcement cage in the steel reinforcement cage outside, simultaneously with the connecting reinforcement that interior steel reinforcement cage and outer steel reinforcement cage link to each other, upper portion between interior steel reinforcement cage and the outer steel reinforcement cage separates and forms and is used for installing the installation space of rotating support part, set up on the pier stud template and be used for installing the mounting hole of connecting reinforcement.
Further, the inner reinforcement cage and the outer reinforcement cage comprise a plurality of annular uniformly distributed vertical bars and second stirrups fixedly connected with the vertical bars.
Further, the pier stud template comprises a plurality of groups of semicircular arc plates which are arranged vertically, each group of semicircular arc plates are spliced and combined symmetrically in the circumferential direction to form a circle, and each semicircular arc plate is connected with the connecting steel bar.
The invention has the beneficial effects that:
according to the integral template structure of the capping beam and the pier stud, both the capping beam template and the pier stud template are made of steel plate materials, and the template and the steel reinforcement cage are integrally poured without dismantling, so that the integral template structure is convenient to install, the construction efficiency can be greatly improved, and the advantages of a concrete structure and a steel structure can be integrated. The formwork and the reinforcement cage can be directly welded and fixed, looseness is not easy, the poured steel-concrete structure has excellent fireproof capacity, anti-seismic performance and structural strength, the later maintenance cost is saved, and the service life of the bridge is prolonged.
According to the integrated template structure, the upper end of the pier column template stretches into the insertion hole and exceeds the bottom surface of the capping beam template, the upper end of the second reinforcement cage is provided with the rotating support component, the rotating support component is used for supporting the second reinforcement cage, the second reinforcement cage is positioned in the annular support reinforcement cage after stretching into the insertion hole, the second reinforcement cage is erected on the annular support reinforcement cage through the rotating support component, the reinforcement cage in the pier column and the reinforcement cage in the capping beam can be wound together only, the structural strength of a bridge is guaranteed, and the construction efficiency is greatly improved through integral pouring. After pouring is completed, the capping beam is prevented from sliding along with the main beam, and the service life of the bridge is prolonged.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present invention more clear, the present invention provides the following drawings for description:
FIG. 1 is a schematic diagram of the structure of the device of the present invention;
FIG. 2 is a top view of the device of the present invention;
FIG. 3 is a schematic view of a structure of a bent cap form;
FIG. 4 is a schematic structural view of a pier stud template;
FIG. 5 is a schematic view of the structure of the rotary support member;
FIG. 6 is a cross-sectional view of the rotary support member;
FIG. 7 is a schematic diagram of a combination of pier stud and capping beam templates.
The figures are marked as follows: the capping beam template 1, the pier stud template 2, the semicircular arc plate 21, the insertion hole 3, the first reinforcement cage 4, the transverse reinforcement 41, the first stirrup 42, the longitudinal reinforcement 43, the annular supporting reinforcement cage 5, the second reinforcement cage 6, the inner reinforcement cage 61, the outer reinforcement cage 62, the vertical reinforcement 621, the second stirrup 622, the rotary supporting member 7, the outer cylinder 71, the inner rod 72, the supporting plate 73, the fixed supporting plate 731, the movable supporting plate 732, the sealing cover 74, the through hole 75, the stop plate 76, the pivot 77, the supporting groove 78 and the hanging hole 79.
Detailed Description
As shown in fig. 1-2, the integral template structure of the capping beam and the pier stud comprises a capping beam template 1 and a pier stud template 2, wherein the capping beam template 1 and the two pier stud templates 2 are combined, and the bottom of the capping beam template 1 is provided with a jack 3 for the pier stud template 2 to pass through; the first reinforcement cage 4 is connected and arranged in the bent cap template 1, the bent cap template 1 is formed by surrounding a steel plate structure, and the bent cap template 1 is fixedly matched with the first reinforcement cage 4 and welded with the first reinforcement cage 4. The periphery of the jack 3 around the jack 3 is provided with an annular supporting reinforcement cage 5, the annular supporting reinforcement cage 5 is annular, the axis of the annular supporting reinforcement cage faces vertically, and the annular supporting reinforcement cage corresponds to the extending direction of the pier column template 2.
Specifically, the annular supporting reinforcement cage 5 with first reinforcement cage 4 is fixed continuous, the upper end of pier stud template 2 is in depth in jack 3 just surpasses the bottom surface of bent cap template 1, before pouring, seals the gap earlier, avoids concrete to spill at the in-process of pouring. The pier stud template 2 internal connection is provided with second steel reinforcement cage 6, pier stud template 2 adopt the steel sheet structure and with the fixed cooperation of second steel reinforcement cage 6, the diameter of annular supporting steel reinforcement cage 5 is greater than the diameter of second steel reinforcement cage 6, the upper end of second steel reinforcement cage 6 is provided with rotation supporting part 7, second steel reinforcement cage 6 follow from top to bottom jack 3 goes deep the back, and the upper portion of second steel reinforcement cage 6 is located in the annular supporting steel reinforcement cage 5, second steel reinforcement cage 6 passes through rotation supporting part 7 set up in annular supporting steel reinforcement cage 5.
In this embodiment, the number of the rotation supporting members 7 is three, and the rotation supporting members 7 are uniformly distributed in the circumferential direction of the second reinforcement cage 6, as shown in fig. 5 and 6, where the rotation supporting members 7 include an outer cylinder 71, an inner rod 72 rotationally connected with the outer cylinder 71 and limited in the axial direction, and a supporting plate 73 fixedly arranged at the upper end of the inner rod 72, the outer cylinder 71 adopts a cylinder structure, and a through hole 75 can be arranged at the outer side, so that concrete can pass through conveniently. The lower end of the inner rod 72 is rotatably disposed in the outer cylinder 71 with respect to the outer cylinder 71, the upper end is connected to the support plate 73, and the outer end of the support plate 73 is rotated from the inside to the outside of the second reinforcement cage 6 when installed to avoid interference with the vertical ribs 621 on the second reinforcement cage 6, and then the lower side of the support plate 73 is abutted against the annular support reinforcement cage 5 to effect support of the second reinforcement cage 6.
In this embodiment, the upper end of the outer cylinder 71 is integrally provided with a cover 74, the center of the cover 74 is provided with a through hole 75 for the inner rod 72 to pass through, the lower end of the inner rod 72 is fixedly connected with a stop plate 76, the outer diameter of the stop plate 76 is larger than the inner diameter of the through hole 75, the stop plate 76 is prevented from falling out of the through hole 75, the cover 74 is used for limiting the stop plate 76, the upper end of the inner rod 72 extends out of the through hole 75 and then is connected to the support plate 73, when in use, the support plate 73 can be lifted upwards, and then is erected on the upper side of the annular support reinforcement cage 5 after rotation, before erection, the inner rod 72 and the outer cylinder 71 move axially, and the angular position of the support plate 73 can be conveniently adjusted.
In this embodiment, the support plate 73 includes a fixed support plate 731 and a movable support plate 732, one side of the fixed support plate 731 is fixedly connected to the inner rod 72, the other side of the fixed support plate 731 is pivotally connected to the movable support plate 732 through a pivot 77, the movable support plate 732 can vertically rotate around the pivot 77, and the movable support plate 732 and the fixed support plate 731 can be locked by a locking device. By providing a movable support plate 732, the length of the support plate 73 can be folded prior to erection to avoid the position of each vertical rib 621.
In this embodiment, semicircular supporting groove 78 has been seted up to the downside of movable backup pad 732, the size of supporting groove 78 is greater than the arrangement of bars size of annular support steel reinforcement cage 5 makes supporting groove 78 can cooperate with the arrangement of bars of annular support steel reinforcement cage 5 to support, hanging hole 79 has been seted up on the upper portion of fixed backup pad 731, can rotate after upwards pulling interior pole 72 through this hanging hole, and the convenience is controlled to the angle position, improves the efficiency of construction.
In this embodiment, as shown in fig. 3, the first reinforcement cage 4 includes a plurality of horizontal ribs 41 that set up side by side, will horizontal ribs 41 fixed connection's first stirrup 42, the mounting hole that is used for installing horizontal ribs 41 has been seted up at the both ends of bent cap template 1, the first reinforcement cage 4 still includes a plurality of longitudinal ribs 43, longitudinal ribs 43 pass second reinforcement cage 6 and simultaneously with first reinforcement cage 4 and second reinforcement cage 6 welding, the mounting hole that is used for installing longitudinal ribs 43 has been seted up to the both sides of bent cap template 1.
In this embodiment, as shown in fig. 4, the second reinforcement cage 6 includes an inner reinforcement cage 61, an outer reinforcement cage 62 sleeved on the outer side of the inner reinforcement cage 61, and connecting reinforcement bars connected with the inner reinforcement cage 61 and the outer reinforcement cage 62 at the same time, wherein an installation space for installing the rotation support member 7 is formed at an upper portion between the inner reinforcement cage 61 and the outer reinforcement cage 62, and an installation hole for installing the connecting reinforcement bars is formed on the pier column template 2. The inner reinforcement cage 61 and the outer reinforcement cage 62 each comprise a plurality of annular uniformly distributed vertical ribs 621 and second stirrups 622 fixedly connecting the vertical ribs 621.
In this embodiment, the pier stud template 2 includes a plurality of groups of semicircular arc plates 21 arranged vertically, each group of semicircular arc plates 21 are symmetrically spliced in the circumferential direction to form a circle, and each semicircular arc plate 21 is connected with the connecting steel bar. When the pier stud template 2 is prefabricated, the pier stud template can be installed according to the sequence of ABCDEF, connection between the connecting steel bars and the semicircular arc plates 21 can be facilitated, and the feasibility of the process is improved.
The assembling process comprises the following steps: when the pier column template 2 is assembled, the semicircular arc plates 21 are marked firstly, are assembled according to the sequence of ABCDEF, and are welded through connecting reinforcing steel bars, the supporting plate 73 faces the inner side of the second reinforcing steel bar cage 6 before the rotating supporting part 7 is hoisted. As shown in fig. 7, the pier stud template 2 is lifted from top to bottom, and the rotating support member 7 is rotated, so that the second reinforcement cage 6 is erected on the annular support reinforcement cage 5 through the rotating support member 7. And inserting the longitudinal ribs 43 into the mounting holes, and enabling the longitudinal ribs 43 to pass through the second reinforcement cage 6 and simultaneously welding with the first reinforcement cage 4 and the second reinforcement cage 6 to finish assembly.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the invention, and that, although the invention has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (5)
1. A bent cap pier stud integration template structure, its characterized in that: the pier column template comprises a capping beam template and a pier column template, wherein the bottom of the capping beam template is provided with a jack for the pier column template to pass through; the novel steel bar support structure comprises a cover beam template, wherein a first steel bar cage is arranged in the cover beam template in a connecting mode, the cover beam template adopts a steel plate structure and is fixedly matched with the first steel bar cage, an annular supporting steel bar cage is arranged around a jack and is fixedly connected with the first steel bar cage around the jack, the upper end of the pier column template stretches into the jack and exceeds the bottom surface of the cover beam template, a second steel bar cage is arranged in the pier column template in a connecting mode, the pier column template adopts a steel plate structure and is fixedly matched with the second steel bar cage, a rotating supporting part is arranged at the upper end of the second steel bar cage, the second steel bar cage is arranged in the annular supporting steel bar cage after the second steel bar cage stretches into the jack, and the second steel bar cage is erected on the annular supporting steel bar cage through the rotating supporting part; the rotary supporting component comprises an outer cylinder, an inner rod which is rotationally connected relative to the outer cylinder and is limited in the axial direction, and a supporting plate fixedly arranged at the upper end of the inner rod, wherein the outer end of the supporting plate rotates from the inner side to the outer side of the second reinforcement cage during installation so as to support the second reinforcement cage; the upper end of the outer cylinder is integrally provided with a sealing cover, a through hole is formed in the sealing cover, the lower end of the inner rod is fixedly connected with a stop plate, the outer diameter of the stop plate is larger than the inner diameter of the through hole, the stop plate is limited by the sealing cover, and the upper end of the inner rod extends out of the through hole and then is connected to the supporting plate; the support plate comprises a fixed support plate and a movable support plate, one side of the fixed support plate is fixedly connected with the inner rod, the other side of the fixed support plate is pivoted with the movable support plate through a pivot, the movable support plate can vertically rotate around the pivot, and the movable support plate and the fixed support plate can be locked through a locking device; semicircular supporting groove has been seted up to movable support plate's downside, the size of supporting groove is greater than the reinforcement size of annular supporting reinforcement cage makes the supporting groove support with the cooperation of the reinforcement of annular supporting reinforcement cage, the hanging hole has been seted up on fixed support plate's upper portion, can rotate after upwards pulling the interior pole through this hanging hole.
2. The capping beam pier column integrated formwork structure of claim 1, wherein: the first steel reinforcement cage includes a plurality of horizontal muscle that set up side by side, will horizontal muscle fixed connection's first stirrup, be used for installing is seted up at the both ends of bent cap template the mounting hole of horizontal muscle, first steel reinforcement cage still includes a plurality of longitudinal reinforcement, longitudinal reinforcement pass the second steel reinforcement cage and simultaneously with first steel reinforcement cage and second steel reinforcement cage welding, be used for installing is seted up to the both sides of bent cap template the mounting hole of longitudinal reinforcement.
3. The capping beam pier column integrated formwork structure of claim 2, wherein: the second reinforcement cage comprises an inner reinforcement cage, an outer reinforcement cage sleeved on the outer side of the inner reinforcement cage and connecting reinforcement bars connected with the inner reinforcement cage and the outer reinforcement cage, an installation space for installing the rotary supporting component is formed at the upper part between the inner reinforcement cage and the outer reinforcement cage, and an installation hole for installing the connecting reinforcement bars is formed in the pier column template.
4. The capping beam pier column integrated formwork structure of claim 3, wherein: the inner reinforcement cage and the outer reinforcement cage comprise a plurality of annular uniformly distributed vertical bars and second stirrups fixedly connected with the vertical bars.
5. The capping beam pier column integrated formwork structure of claim 4, wherein: the pier stud template comprises a plurality of groups of semicircular arc plates which are vertically arranged, each group of semicircular arc plates are symmetrically spliced and combined in the circumferential direction to form a circle, and each semicircular arc plate is connected with the connecting steel bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210052587.5A CN114232501B (en) | 2022-01-18 | 2022-01-18 | Integrated template structure of capping beam pier column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210052587.5A CN114232501B (en) | 2022-01-18 | 2022-01-18 | Integrated template structure of capping beam pier column |
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| Publication Number | Publication Date |
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| CN114232501A CN114232501A (en) | 2022-03-25 |
| CN114232501B true CN114232501B (en) | 2023-12-12 |
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| CN111827084A (en) * | 2020-06-29 | 2020-10-27 | 中国国家铁路集团有限公司 | A frame pier connected by a steel beam and a concrete column and a construction method |
| CN112281635A (en) * | 2020-11-17 | 2021-01-29 | 广州容柏生建筑工程设计咨询有限公司 | Novel track full-assembly type integrated industrialization system |
| CN214245383U (en) * | 2020-11-18 | 2021-09-21 | 四川省交通建设集团股份有限公司 | Combined die system for bent cap construction |
| CN214939292U (en) * | 2021-01-19 | 2021-11-30 | 宁波市高等级公路建设管理中心 | Cover beam disassembly-free template |
| CN113215990A (en) * | 2021-04-25 | 2021-08-06 | 中铁大桥局上海工程有限公司 | Construction device and method for quickly dismantling prefabricated bent cap bottom formwork |
| CN113216007A (en) * | 2021-06-01 | 2021-08-06 | 浙江数智交院科技股份有限公司 | Pier construction equipment and pier construction method |
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| CN114232501A (en) | 2022-03-25 |
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