CN211735097U - Prestressing force bent cap stretch-draw end template system of consolidating - Google Patents
Prestressing force bent cap stretch-draw end template system of consolidating Download PDFInfo
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- CN211735097U CN211735097U CN202020062060.7U CN202020062060U CN211735097U CN 211735097 U CN211735097 U CN 211735097U CN 202020062060 U CN202020062060 U CN 202020062060U CN 211735097 U CN211735097 U CN 211735097U
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Abstract
The utility model discloses a prestressed bent cap tensioning end template reinforcing system, which comprises a bent cap with a vertical trapezoidal notch at the end part and a reinforcing structure connected with the vertical trapezoidal notch; the reinforced structure contains the anchor backing plate that corresponds the long to prestressing steel setting of bent cap, connects the gusset plate in the anchor backing plate outside, connects the reinforcement in the gusset plate outside, connects the pore spare between the reinforcement and connects stupefied and the stupefied of horizontal back of the body in the pore spare outside. The utility model, through the arrangement of the reinforcing structure, is beneficial to the outside reinforcement when the template is supported at the tension end of the bent cap, and adapts to the size of the vertical trapezoidal notch of the bent cap, thus ensuring the forming quality of the bent cap; the tension and the reservation of the prestressed reinforcement in the bent cap can be ensured through the arrangement of the anchor backing plate and the pore channel piece; through the arrangement of the reinforcing plate and the reinforcing part, the load bearing capacity of the reinforcing plate can be improved, and the template box is formed by splicing the anchor backing plate and the reinforcing plates on the two sides of the anchor backing plate and can adapt to different cover beam tensioning port forms.
Description
Technical Field
The utility model belongs to the technical field of the bent cap construction, in particular to prestressing force bent cap stretch-draw end template reinforcing system.
Background
Along with the vigorous construction of the bridge, the scale of the bridge construction is larger and larger, the structures of pier columns and capping beams at the lower part of the bridge are more and more, the prestress construction is an important index for ensuring the safe use of the capping beams, and the reinforcing support of the capping beam tensioning end template is an important condition for ensuring the prestress construction.
At present, the whole length of a capping beam template adopts a wooden template or a steel template, template reinforcement of a capping beam stretching end is not designed specifically, a steel pipe or a batten is generally adopted as a simple top support for connection, the template support area of the capping beam stretching end is small, the support stability is poor, the integrity of a template system is poor, the mounting and dismounting process is complicated, the construction difficulty is large, time and labor are wasted, and the template expansion phenomenon is easy to occur during construction.
SUMMERY OF THE UTILITY MODEL
The utility model provides a prestressing force bent cap stretch-draw end template reinforcing system for solve the whole reinforcement of prestressing force bent cap stretch-draw end template, the reinforcing effect of current support system is poor and in use wholeness and operability subalternation technical problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a prestressed bent cap tensioning end template reinforcing system comprises a bent cap with a vertical trapezoid notch at the end part and a reinforcing structure connected to the vertical trapezoid notch;
the reinforcing structure comprises an anchor backing plate arranged corresponding to the capping beam longitudinal prestressed reinforcement, a reinforcing plate connected to the outer side of the anchor backing plate, reinforcing pieces connected to the outer sides of the reinforcing plates, a pore channel piece connected between the reinforcing pieces, and a vertical back edge and a transverse back edge connected to the outer side of the pore channel piece; the transverse back ridges are connected with screws at intervals, and the screws penetrate through the vertical back ridges or the anchor backing plates from outside to inside;
the anchor backing plate is a trapezoidal plate, and the size of the trapezoidal plate corresponds to that of the vertical trapezoidal notch;
the reinforcing plate is correspondingly connected to one side of the long trapezoidal edge of the anchor backing plate, and is a trapezoidal plate and is vertically arranged at intervals;
the reinforcing piece is a rod piece and comprises a transverse rod piece and a longitudinal rod piece, the longitudinal rod piece is arranged corresponding to the reinforcing plate, and the transverse rod is arranged on one side of the long trapezoidal edge of the anchor backing plate in a full-length mode;
the pore channel pieces are detachably connected between the adjacent longitudinal rod pieces and correspond to the positions of the longitudinal prestressed reinforcements of the bent caps.
Furthermore, the two transverse back ridges are connected in parallel, and the two transverse back ridges are connected with the screw rod through the anchoring plate.
Furthermore, the height of the vertical back ridge is greater than that of the vertical trapezoidal notch, and the vertical back ridge is connected between the transverse back ridge and the reinforcing piece.
Further, the length of the screw is larger than the width of the vertical trapezoid notch, and the screw is correspondingly anchored into the cover beam or connected with the steel bar in the cover beam.
Furthermore, the anchor backing plate comprises a trapezoidal anchor backing plate body, an anchor backing plate anchorage device connected to the anchor backing plate body and a screw hole which is arranged on the anchor backing plate body and corresponds to the screw in a penetrating mode.
Furthermore, the anchor pad plate body is connected with the reinforcing plates on two sides of the anchor pad plate body to form a trapezoid body, and the trapezoid body is suitable for the vertical trapezoid notch on the cover beam.
Furthermore, the anchor of the anchor backing plate is in a gradually-changed bell mouth shape, and one side with a large bell mouth opening is connected to the anchor backing plate body; the anchor backing plate anchorage device is arranged corresponding to the capping beam longitudinal prestressed steel bars, and the inner diameter of one side with a small opening is adaptive to the outer diameter of the prestressed steel bars.
Furthermore, the pore channel part is a strip-shaped part with a square or round pore channel, and the pore channel is preset corresponding to the anchor backing plate anchorage device.
The beneficial effects of the utility model are embodied in:
1) the utility model has the advantages that the arrangement of the reinforcing structure is beneficial to the outside reinforcement when the prestressed bent cap stretching end supports the template, and the whole reinforcing structure adapts to the size of the vertical trapezoidal notch of the prestressed bent cap, thereby ensuring the forming quality of the bent cap; the tension and the reservation of the prestressed reinforcement in the prestressed capping beam can be ensured through the arrangement of the anchor backing plate and the pore channel piece;
2) the utility model improves the load bearing capacity of the reinforced structure during construction through the arrangement of the reinforcing plates and the reinforcing parts, and the reinforcing plates positioned on the anchor backing plate and the two sides of the anchor backing plate are spliced into the template box which can adapt to different capping beam tensioning port forms; the application of the reinforcing piece can be arranged according to the distribution of the prestressed reinforcements in the prestressed capping beam, so that the integrity of the reinforcing structure, the template and the capping beam is further improved;
3) the utility model ensures the integrity of the reinforcing structure by connecting the screw with the steel bar inside the bent cap through the arrangement of the screw, and the screw passes through the anchor pad plate body through the transverse back ridge, so that the whole reinforcing structure is evenly stressed;
in addition, the components related to the utility model are simple and easy to obtain, easy to install and disassemble, and good in reinforcing and stress performance, so that the components can be conveniently adjusted according to the site construction condition, and the reinforcing quality of the prestressed bent cap tensioning end can be improved; additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary objects and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description.
Drawings
FIG. 1 is a pre-stressed bent cap tensioning end formwork reinforcement system;
FIG. 2 is a schematic view of a reinforcement structure attachment a;
FIG. 3 is a schematic view b of the reinforcement structure connection;
FIG. 4 is an elevation view of a reinforcing structure;
FIG. 5 is a side view of a reinforcing structure;
FIG. 6 is a rear view of the reinforcing structure;
FIG. 7 is a schematic view of the connection of the anchorless dunnage reinforcement structure;
fig. 8 is a schematic view of an anchor pad construction.
Reference numerals: 1-capping beam, 2-reinforcing structure, 21-anchor backing plate, 211-anchor backing plate body, 212-anchor backing plate anchorage, 213-screw hole, 22-vertical back edge, 23-transverse back edge, 24-screw, 25-reinforcing plate, 26-channel member, 27-anchoring plate and 28-reinforcing member.
Detailed Description
As shown in fig. 1, a prestressed capping beam tensioning end formwork reinforcing system comprises a capping beam 1 with a vertical trapezoid notch at the end part and a reinforcing structure 2 connected to the vertical trapezoid notch. In the embodiment, the bent cap 1 is formed by pouring concrete, and when the bent cap is poured, the formwork is erected around the bent cap 1, and the outer side of the end head is connected with the reinforcing structure 2.
As shown in fig. 2 to 6, the reinforcing structure 2 includes an anchor backing plate 21 disposed corresponding to the longitudinal prestressed reinforcement of the capping beam 1, a reinforcing plate 25 connected to the outer side of the anchor backing plate 21, reinforcing members 28 connected to the outer side of the reinforcing plate 25, tunnel members 26 connected between the reinforcing members 28, and vertical back edges 22 and horizontal back edges 23 connected to the outer side of the tunnel members 26; the transverse back edges 23 are connected with screws 24 at intervals, and the screws 24 penetrate through the vertical back edges 22 or the anchor backing plates 21 from outside to inside.
In the embodiment, the two transverse back ridges 23 are connected in parallel, and the two transverse back ridges are connected with the screw rod 24 through the anchoring plate 27; wherein, the transverse back edge 23 is made of 14 # double-groove steel. The height of the vertical back ridge 22 is larger than that of the vertical trapezoid notch, the vertical back ridge 22 is connected between the transverse back ridge 23 and the reinforcing piece 28, and the vertical back ridge 22 is made of 5 x 10cm battens.
In this embodiment, anchor backing plate 21 is trapezoidal plate, makes through the plank sheathing or the steel form that thickness is not more than 15mm, and the size of trapezoidal plate corresponds the size of vertical trapezoidal notch. The anchor pad plate 211 is connected with the reinforcing plates 25 at both sides thereof to form a trapezoidal template box which is adapted to the vertical trapezoidal notch on the bent cap 1. The size of the trapezoidal template box can be designed and adjusted in advance according to the sizes of the notches at different bent caps 1.
As shown in fig. 7, the reinforcing plate 25 is correspondingly connected to one side of the long side of the trapezoid of the anchor backing plate 21, and the reinforcing plate 25 is a trapezoid plate and is vertically arranged at intervals. The reinforcing member 28 is connected to the outer side of the reinforcing plate 25, the reinforcing member 28 is a rod member, and the reinforcing member 28 is made of a steel plate or a wood beam. The reinforcing member 28 comprises a transverse rod member and a longitudinal rod member, and the transverse rod member and the longitudinal rod member are detachably connected; the longitudinal rod pieces are detachably connected with the reinforcing plates 25 in a one-to-one correspondence manner, and the transverse rods are arranged on one side of the long trapezoidal edge of the anchor backing plate 21 in a full-length manner; wherein the means for releasable connection between the stiffeners 28 include bolted connections, clearance fit connections, and sockets.
In this embodiment, screw rod 24 length is greater than vertical trapezoidal notch width, and screw rod 24 corresponds inside the anchor income bent cap 1 or is connected with bent cap 1 inside reinforcing bar. In addition, the tunnel member 26 is a strip member with square or round tunnels and is made of steel plate or wood, tunnels on the tunnel member 26 are preset corresponding to the anchor plate anchorage devices 212, and the prestressed tendons can be orderly arranged through the tunnel member 26. The tunnel parts 26 are detachably connected between adjacent longitudinal rod parts and correspond to the positions of the longitudinal prestressed reinforcements of the bent cap 1, wherein the detachable connection mode is clamping, screw connection or sleeving connection and the like.
As shown in fig. 8, the anchor plate 21 includes a trapezoidal anchor plate body 211, an anchor plate anchor 212 connected to the anchor plate body 211, and a screw hole 213 provided in the anchor plate body 211 and through which the screw 24 passes. The anchor backing plate anchorage device 212 is in a gradually-changed bell mouth shape, and one side with a larger bell mouth opening is connected to the anchor backing plate body 211; the anchor backing plate anchorage device 212 is arranged corresponding to the longitudinal prestressed steel bars of the bent cap 1, and the inner diameter of the side with a small opening of the anchor backing plate anchorage device is adaptive to the outer diameter of the prestressed steel bars.
With reference to fig. 1 to 8, a construction method of a prestressed capping beam tensioned end formwork reinforcing system is further described, which specifically includes the following steps:
firstly, manufacturing an anchor backing plate 21 and a reinforcing plate 25 according to the vertical trapezoidal size of a notch at the tensioning end of a prestressed bent cap 1; and according to the distribution position and size of the prestressed tendons in the prestressed bent cap 1, the anchor pad anchorage device 212 and the tunnel member 26 on the anchor pad 21 are manufactured.
And step two, manufacturing a reinforcing piece 28, a transverse back edge 23 and a vertical back edge 22 according to the sizes of the anchor backing plate 21 and the reinforcing plate 25 and the load required by reinforcement, selecting a screw rod 24 and an anchoring plate 27 according to design requirements, and drilling a screw rod 24 hole 213 on the anchor backing plate body 211 in advance according to the position of the screw rod 24.
Assembling the reinforcing member, and connecting the extended screw 24 with a pre-tied reinforcement cage in the prestressed capping beam 1; the prestressed reinforcement is passed through the anchor pad anchorage 212 and the tunnel member 26.
And step four, pouring concrete, and after the concrete strength reaches the detachable formwork strength, sequentially detaching the reinforcing structures 2 from outside to inside.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be considered by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (8)
1. A prestressed capping beam tensioning end template reinforcing system is characterized by comprising a capping beam (1) with a vertical trapezoid notch at the end part and a reinforcing structure (2) connected to the vertical trapezoid notch;
the reinforcing structure (2) comprises an anchor backing plate (21) arranged corresponding to the longitudinal prestressed reinforcement of the bent cap (1), a reinforcing plate (25) connected to the outer side of the anchor backing plate (21), reinforcing pieces (28) connected to the outer sides of the reinforcing plates (25), a pore channel piece (26) connected between the reinforcing pieces (28), and a vertical back edge (22) and a transverse back edge (23) connected to the outer side of the pore channel piece (26); the transverse back edges (23) are connected with screw rods (24) at intervals, and the screw rods (24) penetrate through the vertical back edges (22) or the anchor backing plates (21) from outside to inside
The anchor backing plate (21) is a trapezoidal plate, and the size of the trapezoidal plate corresponds to that of the vertical trapezoidal notch;
the reinforcing plates (25) are correspondingly connected to one sides of the long trapezoidal edges of the anchor backing plates (21), and the reinforcing plates (25) are trapezoidal plates and are vertically arranged at intervals;
the reinforcing piece (28) is a rod piece, the reinforcing piece (28) comprises a transverse rod piece and a longitudinal rod piece, the longitudinal rod piece is arranged corresponding to the reinforcing plate (25), and the transverse rod is arranged on one side of the trapezoidal long side of the anchor backing plate (21) in a full-length mode;
the pore channel pieces (26) are detachably connected between the adjacent longitudinal rod pieces and correspond to the positions of the longitudinal prestressed reinforcements of the cover beam (1).
2. The formwork reinforcement system for the tension ends of prestressed capping beams as claimed in claim 1, wherein the transverse back ridges (23) are connected in parallel, and the two transverse back ridges are connected with the screw rods (24) through the anchor plates (27).
3. The formwork reinforcement system for the tension ends of prestressed capping beams as claimed in claim 2, wherein the height of the vertical back ridge (22) is greater than that of the vertical trapezoidal notch, and the vertical back ridge (22) is connected between the horizontal back ridge (23) and the reinforcing member (28).
4. The prestressed capping beam tensioning end formwork reinforcement system according to claim 2, wherein the length of the screw (24) is greater than the width of the vertical trapezoid notch, and the screw (24) is correspondingly anchored in the capping beam (1) or connected with the steel bar in the capping beam (1).
5. The pre-stressed bent cap tensioning end formwork reinforcing system as claimed in claim 4, wherein the anchor backing plate (21) comprises a trapezoidal anchor backing plate body (211), an anchor backing plate anchor (212) connected to the anchor backing plate body (211), and a screw hole (213) arranged on the anchor backing plate body (211) and corresponding to the screw (24).
6. A formwork reinforcement system for the tension ends of prestressed capping beams, as in claim 5, characterized by the fact that the anchor pads (211) are connected to the reinforcement plates (25) on both sides in the form of trapezoidal formwork boxes adapted to the vertical trapezoidal notches of the capping beam (1).
7. The pre-stressed bent cap tensioning end formwork reinforcing system as claimed in claim 6, wherein the anchor backing plate anchorage device (212) is in a gradually-changed bell mouth shape, and one side with a larger bell mouth opening is connected to the anchor backing plate body (211); the anchor backing plate anchorage device (212) is arranged corresponding to the longitudinal prestressed steel bars of the bent cap (1), and the inner diameter of the side with a small opening is adaptive to the outer diameter of the prestressed steel bars.
8. The pre-stressed bent cap tensioning end formwork reinforcement system according to claim 7, wherein the tunnel member (26) is a strip member with square or circular tunnels which are pre-arranged corresponding to the anchor pad anchorage (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020062060.7U CN211735097U (en) | 2020-01-13 | 2020-01-13 | Prestressing force bent cap stretch-draw end template system of consolidating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020062060.7U CN211735097U (en) | 2020-01-13 | 2020-01-13 | Prestressing force bent cap stretch-draw end template system of consolidating |
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| CN211735097U true CN211735097U (en) | 2020-10-23 |
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| CN202020062060.7U Active CN211735097U (en) | 2020-01-13 | 2020-01-13 | Prestressing force bent cap stretch-draw end template system of consolidating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339010A (en) * | 2021-06-22 | 2021-09-03 | 中建八局轨道交通建设有限公司 | End template reinforcing method |
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2020
- 2020-01-13 CN CN202020062060.7U patent/CN211735097U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339010A (en) * | 2021-06-22 | 2021-09-03 | 中建八局轨道交通建设有限公司 | End template reinforcing method |
| CN113339010B (en) * | 2021-06-22 | 2022-07-26 | 中建八局轨道交通建设有限公司 | End template reinforcing method |
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