CN217896185U - Bent cap construction structures - Google Patents

Abstract

The utility model discloses a construction structure of a cover beam, which includes a support member arranged on a pier column, and the support member is horizontally extended outward on the pier column, and is located between two adjacent support members on the same side. Supporting beams are provided respectively, and a bracket supporting structure is arranged on the supporting beams; the supporting members include fixed climbing cones, positioning climbing cones and corbels embedded in the pier columns, and the corbels pass through the fixed climbing cones and positioning climbing cones. Fixedly installed on the pier column, the fixed climbing cone and the positioning climbing cone are arranged on the same straight line along the axial direction of the pier column. In the construction structure of the cover beam of the utility model, the support member combined with the climbing cone and the corbel can provide stable support for the construction support of the cover beam, which can improve the safety of the construction of the cover beam while facilitating construction. By optimizing the setting of the climbing cones, while ensuring the overall structural strength of the corbel, the impact on the pier structure after the climbing cones are removed can be minimized as much as possible.

Description

A cover beam construction structure

technical field

The utility model relates to the technical field of bridge construction, in particular to a cover beam construction structure.

Background technique

Cover beam construction is an indispensable construction process in bridge construction. The bridge pier cover beam support is the load bearing body during the process of casting the cover beam, and it is the platform for the formwork installation and the construction platform for the cast-in-place operation. At present, in the construction of cap beams in China, the support of the cap beam bracket is usually the piercing rod method or the hoop method; using the piercing rod method requires preset piercing holes on the pier column, which will easily cause damage to the pier body structure; The hoop is usually only suitable for circular piers, and it mainly relies on the friction between the piers to maintain the load on its upper part, so there is a big safety hazard.

Utility model content

The utility model provides a cover beam construction structure to effectively solve the problems that the existing cover beam construction structure is easy to cause damage to the pier body and has potential safety hazards.

For solving the problems of the technologies described above, the technical scheme that the utility model adopts is as follows:

A cover-beam construction structure, comprising a support member arranged on a pier column, the support member protrudes outward horizontally on the pier column, and a support beam is respectively arranged between two adjacent support members on the same side, A bracket supporting structure is arranged on the supporting beam;

The support member includes a fixed climbing cone, a positioning climbing cone and a corbel embedded in the pier column. The corbel is fixedly installed on the pier column through the fixed climbing cone and the positioning climbing cone. The fixed climbing cone and the positioning climbing cone They are arranged on the same straight line along the axial direction of the piers.

As a further improvement of the above technical solution, the pier column is a cylindrical pier, the support members are symmetrically arranged on both sides of the pier column along the center of the pier column, and the support members are respectively protruded outward along the direction perpendicular to the cover beam, so The supporting beams are set up on the supporting members on two adjacent pier columns respectively, the supporting beams are arranged along the parallel direction of the cover beams, and the supporting structure of the bracket includes a plurality of supporting beams arranged sequentially along the longitudinal direction on the supporting beams.

As a further improvement of the above technical solution, the pier column is a hollow pier outside the transition pier, the support members are symmetrically arranged on both sides of the pier column along the center of the pier column, and the support members extend outward in a direction parallel to the cover beam Out of the setting, at least two support members are arranged on the pier column along the transverse direction of the cover beam, and the support beams are respectively erected on the two support members on the same side of the pier column. The upper support stringer and a plurality of overlapping beams arranged on the support stringer.

As a further improvement of the above technical solution, the corbel includes a connecting plate, a supporting plate and reinforcing plates arranged on both sides of the connecting plate, and the connecting plate is respectively provided with fixing holes and positioning holes between the reinforcing plates. The positioning hole is a strip hole arranged along the axial direction of the pier column.

As a further improvement of the above technical solution, the fixed climbing cone includes a fixed climbing cone and a fixed connecting rib arranged at one end of the fixed climbing cone, and the other end of the fixed climbing cone is provided with a fixing screw hole for connecting a fixing bolt, The diameter of the fixing screw hole is larger than the diameter of the fixing connecting rib.

As a further improvement of the above technical solution, the depth of the fixing screw hole is not less than the thickness of the pier concrete protective layer.

As a further improvement of the above technical solution, the positioning climbing cone includes a positioning climbing cone, a positioning connecting rib arranged at one end of the positioning climbing cone and a positioning piece arranged on the positioning connecting rib, and the other end of the positioning climbing cone is provided There are positioning screw holes for connecting the positioning bolts, and the diameter of the positioning screw holes is larger than the diameter of the positioning connecting ribs.

As a further improvement of the above technical solution, both the fixed climbing cone and the positioning climbing cone have a frustum of conical structure, and the radial dimension of the fixed climbing cone is larger than the radial dimension of the positioning climbing cone.

As a further improvement of the above technical solution, a backing plate is provided between the corbel and the support beam, the support beam is set on the backing plate, and a device for connecting the backing plate and the cross beam is provided between the backing plate and the corbel on the outside of the beam. The connecting part of the corbel, the connecting part protrudes from the surface of the backing plate.

In the construction structure of the cover beam of the utility model, the support member combined with the climbing cone and the corbel can provide stable support for the construction support of the cover beam, which can improve the safety of the construction of the cover beam while facilitating construction.

By optimizing the arrangement of the climbing cones, each corbel is fixed with only two climbing cones, which can facilitate the pre-embedded construction of the climbing cones in the pier column while ensuring the overall structural strength of the corbel, and the connection between the corbel and the The cooperative installation between the climbing cones can minimize the impact on the pier structure after the climbing cones are removed.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the accompanying drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the utility model, and therefore should not It is regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

Fig. 1 is a structural front view of an embodiment of the utility model cover beam construction structure.

Fig. 2 is a structural side view of an embodiment of the utility model cover beam construction structure.

Fig. 3 is a schematic diagram of the corbel structure in the construction structure of the utility model cover beam.

Fig. 4 is a structural schematic diagram of the support member in the construction structure of the utility model cover beam.

Fig. 5 is a structural front view of another embodiment of the construction structure of the cover beam of the present invention.

Fig. 6 is a side view of another embodiment of the construction structure of the cover beam of the present invention.

Fig. 7 is a schematic diagram of the connection structure of the corbel on the pier column in another embodiment of the construction structure of the cover beam of the present invention.

Among the figure: 10, pier column, 20, cover beam;

30, support member, 301, corbel, 311, connecting plate, 312, support plate, 313, reinforcing plate, 314, fixing hole, 315, positioning hole, 302, fixing climbing cone, 321, fixing climbing cone, 322, Fixed connecting rib, 303, positioning climbing cone, 331, positioning climbing cone, 332, positioning connecting rib, 333, positioning piece;

40, support beam, 50, support beam;

61, fixing bolts, 62, positioning bolts, 63, backing plate, 64, connectors;

70, support stringer, 80, lap beam;

91, mandrel, 92, support.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments.

Embodiment one

Referring to Figures 1 and 2, taking the pier column 10 as a cylindrical pier as an example, the construction structure of the cap beam in this embodiment will be described.

The cover beam construction structure in this embodiment includes a support member 30 arranged on the pier column 10, and the support member 30 is horizontally extended outward on the pier column 10, and the adjacent two support members 30 on the same side are respectively A support beam 40 is provided, and a construction support structure is provided on the support beam 40 for erecting the construction bracket of the cover beam.

In view of the construction characteristics of the upper cover beam of the cylindrical pier, the support members 30 are symmetrically arranged on both sides of the pier column 10 along the center of the pier column, and the support members 30 on both sides are located in the same diameter direction on the same horizontal plane on the pier column 10; the same pier column The two supporting members 30 on the 10 are respectively protruded outwards along the direction perpendicular to the cover beam 20. At this time, the supporting beams 40 are respectively erected on the supporting members 30 on the two adjacent pier columns, so that the supporting beams 40 extend along the cover beam 20. The parallel beams are arranged on both sides of the cover beam 20 respectively. At this time, the bracket support structure erected on the support beam 40 includes a plurality of support beams 50 arranged successively on the support beam along its longitudinal direction. The support beams 50 are arranged at intervals on the support beam 40 to provide stability between the construction of the cover beam. build platform.

As shown in Fig. 4, the support member 30 in this embodiment includes a fixed climbing cone 302, a positioning climbing cone 303 and a corbel 301 embedded in the pier column, and the fixed climbing cone 302 and the positioning climbing cone 303 are embedded and fixed in the pier column 10. , during the pre-embedded construction of the fixed climbing cone 302 and the positioning climbing cone 303, with the pier column as the center, the fixed climbing cone and the positioning climbing cone respectively arranged on both sides are hoisted synchronously, so that the fixed climbing cone and the positioning climbing cone on both sides Located on the same horizontal plane, the fixed climbing cone and the positioning climbing cone on the same side are located on the same vertical line to ensure the position accuracy of the installation of the corbels on both sides.

The corbel is fixedly installed on the pier column through the fixing bolt and the fixed climbing cone, and the corbel is positioned and installed on the pier column through the positioning bolt and the positioning climbing cone to prevent the corbel from rotating on the pier column. The fixed installation of the corbel can be realized by pre-burying two climbing cones on the pier column. The structure is simple and convenient for on-site installation and later disassembly; Leaving a hole of the size of the climbing cone can well ensure the integrity of the pier and will not affect the pier.

As shown in Figure 3, the corbel 301 in this embodiment includes a connecting plate 311, a supporting plate 312 and reinforcing plates 313 arranged on both sides of the connecting plate, and the connecting plate 311 is respectively provided with fixing holes 314 and positioning holes between the reinforcing plates 315. The positioning hole 315 is a strip-shaped hole arranged along the axial direction of the pier column. The support plate 312 arranged horizontally provides a support platform for the setting of the support beam, the reinforcement plate 313 is arranged between the connection plate and the support plate to improve the overall structural strength of the corbel, and the fixing bolts are respectively arranged in the fixing hole 314 and the positioning hole 315 61 and positioning bolts 62 are used for fixed connection between the corbel 301 and the fixed climbing cone 302 and the positioning climbing cone 303, and the corbel is fixedly installed on the pier column.

In the setting of the fixed climbing cone, the fixed climbing cone 302 includes a fixed climbing cone 321 and a fixed connecting rib 322 arranged at one end of the fixed climbing cone, and the other end of the fixed climbing cone 302 is provided with a fixing screw hole for connecting a fixing bolt , the diameter of the fixing screw hole is greater than the diameter of the fixing connecting rib 322 .

In the setting of the positioning and climbing cone, the positioning and climbing cone 303 includes a positioning and climbing cone 331, a positioning connecting rib 332 arranged at one end of the positioning and climbing cone 331 and a positioning piece 333 arranged on the positioning connecting rib, and the positioning and climbing cone 331 is another One end is provided with a positioning screw hole for connecting the positioning bolt, and the diameter of the positioning screw hole is larger than the diameter of the positioning connecting rib 332 .

In terms of the structural setting of the climbing cone, according to the construction requirements of the construction support of the cover beam, the fixed climbing cone 321 and the positioning climbing cone 331 are both conical structures, and the radial dimension of the fixed climbing cone 321 is larger than that of the positioning climbing cone 331 radial size. Specifically, the fixed climbing cone is the main fixed load-bearing part of the corbel. The fixed climbing cone 321 has a diameter of 120 mm at the large end, a diameter of 70 mm at the small end, and a length of 200 mm. It is made of 45 steel; Auxiliary load-bearing parts and positioning functional parts of the legs, the large end diameter of the positioning climbing cone 331 is 68mm, and the small end diameter is 40mm, which is made of 45 steel. The specification of the fixing screw hole on the fixed climbing cone is M56, and the corresponding fixing bolt diameter is 56mm, which is made of 40Cr; the specification of the positioning screw hole on the positioning climbing cone is M36, and the distance between the corresponding positioning bolts is 36mm, made of 40Cr , to ensure sufficient connection strength of the corbel on the pier.

The depth of the fixed threaded hole on the fixed climbing cone 321 is set to be not less than the thickness of the concrete protective layer of the pier column, so that the connection length of the fixing bolts during the installation of the corbel is not less than the thickness of the concrete protective layer, so as to ensure that the concrete of the pier column after the climbing cone is removed after the construction is completed There are no iron parts in the protective layer to reduce the impact on the pier structure.

As shown in Figure 3, a backing plate 63 is provided between the support plate and the support beam located at the corbel 301, the support beam 40 is arranged on the backing plate 63, and the backing plate 63 and the support plate 312 are arranged on the outside of the beam for connecting the backing plate The connecting piece 64 with the supporting plate fixes the backing plate on the supporting plate; the connecting piece can adopt a stud bolt and nut structure, and the end of the connecting piece protrudes from the surface of the backing plate, and when connecting the supporting plate and the backing plate, protruding The connecting piece can play the role of limiting the support beam.

At this time, support beams are respectively set on the corbels on two adjacent pier columns, and support beams are set up on the support beams to quickly complete the erection of the support platform and provide a stable support platform for the construction support of the cover beam.

Embodiment two

Referring to Figures 5 and 6, taking the construction of the cover beam on the hollow pier outside the transition pier as an example, the construction structure of the cover beam in this embodiment will be described.

In this embodiment, the pier column 10 is a hollow pier outside the transition pier, and the support members 30 are arranged symmetrically on both sides of the pier column along the center of the pier column. Two support members 30 are arranged on one side thereof along the transverse direction of the cover beam, and the support beams 40 are set on the two support members 30 on the same side of the pier respectively. The bracket supporting structure includes a supporting longitudinal beam 70 arranged on the supporting beam and a plurality of overlapping beams 80 arranged on the supporting longitudinal beam, forming a stable supporting platform for the construction bracket of the cover beam.

Referring to Fig. 7, in the cap beam construction structure of this structure, two positioning climbing cones 303 can be used in the supporting member on the side of the pier column 10 to fix the corbel, and two small-sized climbing cone structures can be used to reduce the The impact on the pier structure after the climbing cone is removed. In order to ensure the structural strength of the corbel at this position, a mandrel 91 pierced on the pier column is set below the corbel 301, and a support member 92 with a folded plate structure is set between the mandrel 91 and the corbel 301. Provide auxiliary support, remove the mandrel and support after the construction is completed, the overall structure of the cover beam construction structure is stable, and it is easy to install and remove.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the product of this utility model is used, and is only for the convenience of describing the utility model and simplifying the description , rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

In addition, terms such as "horizontal" and "vertical" in the description of the utility model do not mean that the components are required to be absolutely horizontal or hang, but may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", and it does not mean that the structure must be completely horizontal, but can be slightly inclined.

In the description of the present utility model, it should also be noted that, unless otherwise specified and limited, if the terms "setting", "installation", "connection" and "connection" appear, they should be understood in a broad sense, for example, it can be A fixed connection can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (9)

1. A bent cap construction structure is characterized by comprising support members arranged on a pier stud, wherein the support members horizontally extend outwards on the pier stud, support beams are respectively arranged between two adjacent support members positioned on the same side, and a support structure is arranged on each support beam;

the supporting component includes that pre-buried fixed awl, location in the pier stud climb awl and bracket, the bracket climbs awl fixed mounting on the pier stud through fixed awl and location, the fixed awl of climbing sets up on same straight line along pier stud axial direction with the location awl.

2. The capping beam construction structure according to claim 1, wherein the pier stud is a cylindrical pier, the supporting members are symmetrically arranged on two sides of the pier stud along the center of the pier stud, the supporting members respectively extend outwards in a direction perpendicular to the capping beam, the supporting beams are respectively arranged on the supporting members on two adjacent pier studs, the supporting beams are arranged in a direction parallel to the capping beam, and the support supporting structure comprises a plurality of supporting beams which are sequentially arranged on the supporting beams along the longitudinal direction of the supporting beams.

3. The capping construction structure of claim 1, wherein the pier stud is a transition pier outer hollow pier, the supporting members are symmetrically arranged on two sides of the pier stud along the center of the pier stud, the supporting members are respectively extended outwards along a direction parallel to the capping beam, at least two supporting members are arranged on the pier stud along the transverse direction of the capping beam, the supporting beams are respectively erected on two supporting members on the same side of the pier stud, and the bracket supporting structure comprises a supporting longitudinal beam arranged on the supporting beam and a plurality of overlapping beams arranged on the supporting longitudinal beam.

4. The capping beam construction structure according to claim 1, 2 or 3 wherein the bracket includes a connection plate, a support plate and reinforcing plates disposed at both sides of the connection plate, the connection plate is provided with a fixing hole and a positioning hole between the reinforcing plates, respectively, and the positioning hole is a strip-shaped hole disposed along an axial direction of the pier stud.

5. The bent cap construction structure according to claim 1, 2 or 3, wherein the fixed climbing cone comprises a fixed climbing cone body and a fixed connecting rib arranged at one end of the fixed climbing cone body, the other end of the fixed climbing cone body is provided with a fixed screw hole for connecting a fixed bolt, and the diameter of the fixed screw hole is larger than that of the fixed connecting rib.

6. The capping beam construction structure of claim 5 wherein the depth of the fixing screw hole is not less than the thickness of the pier stud concrete protective layer.

7. The bent cap construction structure of claim 5, wherein the positioning climbing cone comprises a positioning climbing cone body, a positioning connecting rib arranged at one end of the positioning climbing cone body and a positioning piece arranged on the positioning connecting rib, the other end of the positioning climbing cone body is provided with a positioning screw hole used for connecting a positioning bolt, and the diameter of the positioning screw hole is larger than that of the positioning connecting rib.

8. The bent cap construction structure according to claim 7, wherein the fixed climbing cone and the positioning climbing cone are of cone frustum structures, and the radial dimension of the fixed climbing cone is larger than that of the positioning climbing cone.

9. The bent cap construction structure according to claim 1, wherein a base plate is provided between the bracket and the support beam, the support beam is provided on the base plate, a connecting member for connecting the base plate and the bracket is provided between the base plate and the bracket outside the cross beam, and the connecting member protrudes from the surface of the base plate.

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