CN215758543U - Large cantilever and bent cap integrated construction structure - Google Patents
Large cantilever and bent cap integrated construction structure Download PDFInfo
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- CN215758543U CN215758543U CN202121780994.5U CN202121780994U CN215758543U CN 215758543 U CN215758543 U CN 215758543U CN 202121780994 U CN202121780994 U CN 202121780994U CN 215758543 U CN215758543 U CN 215758543U
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- bridge pier
- bailey
- pier stud
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Abstract
The utility model discloses a large cantilever capping beam integrated construction structure which is arranged on a bridge pier stud, wherein a preformed hole is arranged on the bridge pier stud along the radial direction of the bridge pier stud, and the large cantilever capping beam integrated construction structure comprises: the core penetrating rod penetrates through the reserved hole, and two ends of the core penetrating rod extend out of the bridge pier column by a certain length; brackets are arranged at two ends of the core penetrating rod, and one end of each bracket is abutted against the bridge pier stud; the two groups of Bailey pieces are respectively arranged on the brackets at two ends of the core-penetrating rod and are arranged close to two sides of the bridge pier stud; the two groups of bailey sheets are connected through a transverse connecting rod. A distribution beam disposed above the bailey bit. The utility model has simple and reliable structure and convenient operation, and can meet the construction requirements of the bent cap under the conditions of different heights and cantilever arms.
Description
Technical Field
The utility model relates to the technical field of bent cap construction. More specifically, the utility model relates to an integrated construction structure of a large cantilever and a capping beam.
Background
The capping beam is erected on the pier stud in the transverse bridge direction and is used for supporting the upper structure of the bridge and transmitting all loads to the cross beam of the lower structure. The bent cap is a cast-in-place concrete structural member, and needs to be poured after the pouring of the pier stud is completed, so that the construction plane of the bent cap has a certain height from the bottom surface, and a support needs to be erected for construction. For the construction of a large cantilever capping beam, the cantilever is large and needs secondary tensioning, and the like, the construction is generally carried out by adopting structural forms such as a floor support, a bracket support, a hoop and the like. The floor stand has high structural safety, but has high requirements on the external environment of a project, and has larger difficulty in treating the condition that an ultrahigh pier or a pier foundation is not ideal. The bracket, the hoop and the like easily cause the cantilever section to be too big when the cantilever arm of the bent cap is too big, and the implementation risk is high.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
To achieve these objects and other advantages and in accordance with the purpose of the utility model, there is provided a cantilever capping integrated construction structure provided on a bridge pier having a prepared hole formed along a radial direction thereof, including:
the core penetrating rod penetrates through the reserved hole, and two ends of the core penetrating rod extend out of the bridge pier column by a certain length; brackets are arranged at two ends of the core penetrating rod, and one end of each bracket is abutted against the bridge pier stud;
the two groups of Bailey pieces are respectively arranged on the brackets at two ends of the core-penetrating rod and are arranged close to two sides of the bridge pier stud; the two groups of bailey sheets are connected through a transverse connecting rod;
a distribution beam fixedly disposed above the bailey pieces.
Preferably, the bracket further comprises an unloading block, the unloading block is arranged between the bracket and the bailey piece, and the unloading block is fixedly arranged on the bracket.
Preferably, a reinforcing rod is vertically arranged at the joint of the Bailey piece and the unloading block.
Preferably, the distribution beam comprises a plurality of cross beams and a plurality of longitudinal beams, the cross beams are arranged on the Bailey sheet at intervals, and the cross beams are perpendicular to the Bailey sheet; the longitudinal beams are arranged on the cross beam at intervals and are perpendicular to the cross beam.
Preferably, the template support is arranged above the longitudinal beam, and safety guardrails are arranged on two sides of the template support; the template support with safety barrier all with the longeron can be dismantled and be connected.
Preferably, the bracket comprises a cover plate, a pair of vertical supporting plates and a plurality of stiffening plates; the cover plate is fixedly connected with the upper end surfaces of the pair of vertical supporting plates; the stiffening plates are arranged between the pair of vertical supporting plates at intervals and are fixedly connected with the cover plate and the vertical supporting plates.
Preferably, the middle part of the bottom surface of the stiffening plate is provided with a semicircular groove matched with the shape of the through rod.
The utility model at least comprises the following beneficial effects:
according to the large cantilever and capping beam integrated construction structure provided by the utility model, the upper construction load is transferred to the bridge pier stud through the core penetrating rod; through the change of the core penetrating rod and the Bailey specification, the construction under the conditions of high pier construction and unsatisfactory pier column foundation can be solved; the structure is simple and reliable, the operation is convenient, and the construction requirements of the bent cap under the conditions of different heights and cantilever arms can be met. And after the bent cap is poured and constructed, the bent cap is convenient to disassemble, and the construction period is shortened.
Additional advantages, objects, and features of the utility model 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 utility model.
Drawings
Fig. 1 is a schematic side view of the integrated construction structure according to an embodiment of the present invention;
FIG. 2 is a schematic side view of the integrated construction structure according to the above embodiment of the present invention;
FIG. 3 is a schematic structural view of the reinforcing bar according to the above embodiment of the present invention;
fig. 4 is a schematic structural diagram of the corbel in the above embodiment of the utility model.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, the utility model provides a large cantilever capping beam integrated construction structure, which is arranged on a bridge pier column 7, wherein a preformed hole is arranged on the bridge pier column 7 along the radial direction of the bridge pier column, and the construction structure comprises:
the core penetrating rod 1 penetrates through the reserved hole, and two ends of the core penetrating rod extend out of the bridge pier column 7 by a certain length; the two ends of the core penetrating rod 1 are provided with brackets 2, and one end of each bracket 2 is abutted to the bridge pier column 7;
the two sets of Bailey pieces 3 are respectively arranged on the brackets 2 at the two ends of the core-through rod 1 and are arranged close to the two sides of the bridge pier stud 7; the two groups of Bailey pieces 3 are connected through a transverse tie rod 9;
a distribution beam 4 disposed above the bailey 3.
In the technical scheme, a prepared hole is formed above the bridge pier column 7 through a pre-embedded sleeve, and the core penetrating rod 1 penetrates through the bridge pier column 7 through the pre-embedded sleeve to provide a stress fulcrum. The piercing rod 1 can adopt a single rod or a double rod according to the load. The setting of punching stick 1 both ends is by institute's bracket 2, 2 increases of bracket top structures with the area of stress between the punching stick 1 prevents only a certain point atress on the punching stick 1 also provides mounting platform for the top structure simultaneously. The Bailey pieces 3 can be arranged in two groups or three groups according to the load condition. The Bailey pieces 3 on the two sides of the bridge pier stud 7 are arranged close to the bridge pier stud 7 and connected through the transverse tie bars 9, so that the integrity of the Bailey pieces 3 and the bridge pier stud 3 is improved, and the Bailey pieces 3 are prevented from being unstable in the horizontal direction. And a high-density rubber base plate is adopted between the Bailey sheet 3 and the pier body of the bridge pier stud 7 to protect the pier body. The distribution beam 4 is detachably connected and arranged above the Bailey sheet 3 and is made of I-shaped steel and used for supporting a cover beam template bracket system above. The integrated construction structure adopts the core penetrating rod 1, the bracket 2, the Bailey pieces 3 and the distribution beam 3 to form a support system, and the core penetrating rod can meet the requirements of different bent cap construction heights; the problem of cantilever arm of the bent cap can be effectively solved by utilizing the high shear resistance and bending resistance of the Bailey sheet; the longitudinal and transverse distribution beams on the bailey sheets can provide a formwork construction and cover beam tensioning operation platform. And through the change of the core penetrating rod and the bailey sheet specification, the construction of high piers and the construction under the condition that the pier stud foundation is not ideal can be solved, the structure is simple and reliable, the operation is convenient, and the construction requirements of the bent cap under the conditions of different heights and cantilever arms can be met.
In another embodiment, the bracket further comprises a relief block 6 which is arranged between the bracket 2 and the bailey piece 3, and the relief block 3 is fixedly arranged on the bracket 2. A single unloading block 6 or a plurality of unloading blocks 6 can be adopted according to the load. The load block 6 is used for dismounting the upper cover beam formwork support system.
In another embodiment, a reinforcing rod 31 is vertically arranged at the joint of the Bailey piece 3 and the unloading block 6. The shear and bending resistance of the bailey piece 3 is further improved by the reinforcing rods 31. After the reinforcing rods 31 are plugged into the bailey pieces, the reinforcing rods 31 on the two sides are welded and positioned by adopting connecting plates.
In another embodiment, the distribution beam 4 includes a plurality of cross beams 41 and a plurality of longitudinal beams 42, the plurality of cross beams 41 are arranged on the bailey piece 3 at intervals, and the cross beams 41 are arranged perpendicular to the bailey piece 3; the longitudinal beams 42 are arranged on the cross beam 41 at intervals, and the longitudinal beams 424 are arranged perpendicular to the cross beam 41.
In the technical scheme, the cross beam 41 and the longitudinal beam 42 are made of I-shaped steel, and the cross beam 41 and the longitudinal beam 42 are arranged perpendicular to each other to provide a building platform for a cover beam formwork support system above the cross beam 41 and the longitudinal beam 42. The length of the two platforms is adjusted to meet the requirements of different platform sizes.
In another embodiment, the template support device further comprises a template support 5, wherein the template support 5 is arranged above the longitudinal beam 42, and safety guardrails 8 are arranged on two sides of the template support 5; the template bracket 5 and the safety barrier 8 are detachably connected with the longitudinal beam 42. The formwork support 5 is used for supporting a pouring formwork of the cover beam, after the formwork support 5 is erected, a cover beam bottom formwork is installed firstly, then cover beam reinforcing steel bars are hoisted, and the cover beam reinforcing steel bars are hoisted by adopting a back-end processing and integral hoisting process. And after the capping beam steel beam is installed, installing a capping beam side die, and then pouring capping beam concrete. Safety barrier 8 adopts conventional guardrail structure, including construction platform layer, guardrail and other safety protection structure for provide work platform and installation protection for constructor.
In another embodiment, the corbel 2 comprises a cover plate 21, a pair of vertical supporting plates 22 and a plurality of stiffening plates 23; the cover plate 21 is fixedly connected with the upper end surfaces of the pair of vertical supporting plates 22; the stiffening plates 23 are arranged between the pair of vertical supporting plates at intervals and fixedly connected with the cover plate 21 and the pair of vertical supporting plates 22.
In another embodiment, the central portion of the bottom surface of the stiffening plate 22 is provided with a semicircular groove matched with the shape of the piercing rod 1. By adopting the technical scheme, the bracket 2 and the core penetrating rod 1 can be prevented from being in point contact, and the stress area of the core penetrating rod 1 is increased, so that the core penetrating rod 1 can better transmit the load to the bridge pier column 7.
While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a largely cantilever bent cap integration construction structures, sets up on the bridge pier stud, be provided with preformed hole along its radial on the bridge pier stud, its characterized in that includes:
the core penetrating rod penetrates through the reserved hole, and two ends of the core penetrating rod extend out of the bridge pier column by a certain length; brackets are arranged at two ends of the core penetrating rod, and one end of each bracket is abutted against the bridge pier stud;
the two groups of Bailey pieces are respectively arranged on the brackets at two ends of the core-penetrating rod and are arranged close to two sides of the bridge pier stud; the two groups of bailey sheets are connected through a transverse connecting rod;
a distribution beam fixedly disposed above the bailey pieces.
2. The integrated construction structure of the large cantilever capping beam as claimed in claim 1, further comprising an unloading block disposed between the bracket and the bailey piece, wherein the unloading block is fixedly disposed on the bracket.
3. The integrated construction structure of the large cantilever cap beam as claimed in claim 2, wherein a reinforcing rod is vertically arranged at the joint of the Bailey piece and the unloading block.
4. The integrated construction structure of the large cantilever and cap beam as claimed in claim 1, wherein the distribution beam comprises a plurality of cross beams and a plurality of longitudinal beams, the plurality of cross beams are arranged on the Bailey sheet at intervals, and the cross beams are arranged perpendicular to the Bailey sheet; the longitudinal beams are arranged on the cross beam at intervals and are perpendicular to the cross beam.
5. The large cantilever and capping integrated construction structure as claimed in claim 4, further comprising a formwork support, wherein the formwork support is arranged above the longitudinal beam, and safety guardrails are arranged on two sides of the formwork support; the template support with safety barrier all with the longeron can be dismantled and be connected.
6. The integrated construction structure of the large cantilever capping beam as claimed in claim 1, wherein the bracket comprises a cover plate, a pair of vertical supporting plates and a plurality of stiffening plates; the cover plate is fixedly connected with the upper end surfaces of the pair of vertical supporting plates; the stiffening plates are arranged between the pair of vertical supporting plates at intervals and are fixedly connected with the cover plate and the vertical supporting plates.
7. The integrated construction structure of the large cantilever capping beam as claimed in claim 6, wherein the central portion of the bottom surface of the stiffener is provided with a semicircular groove matched with the shape of the through-rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121780994.5U CN215758543U (en) | 2021-08-02 | 2021-08-02 | Large cantilever and bent cap integrated construction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121780994.5U CN215758543U (en) | 2021-08-02 | 2021-08-02 | Large cantilever and bent cap integrated construction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215758543U true CN215758543U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121780994.5U Active CN215758543U (en) | 2021-08-02 | 2021-08-02 | Large cantilever and bent cap integrated construction structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215758543U (en) |
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2021
- 2021-08-02 CN CN202121780994.5U patent/CN215758543U/en active Active
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