CN219808244U - Assembled T-shaped cavity bent cap - Google Patents

Abstract

The utility model discloses an assembled T-shaped cavity bent cap, wherein a prefabricated shell is provided with a T-shaped cavity, the T-shaped cavity is composed of an upper rectangular cavity at the upper part and a lower rectangular cavity at the lower part, a middle partition plate is arranged in the lower rectangular cavity along the left-right direction, an integral steel reinforcement cage is composed of a frame main rib, stirrups, diagonal ribs, skeleton structural ribs and connecting structural ribs and is of a three-dimensional net structure, when the prefabricated shell is prefabricated, the integral steel reinforcement cage and the prefabricated shell are prefabricated and poured into a whole, a containing groove for containing the middle partition plate is formed in a waveform core mold, the waveform core mold is positioned in the integral steel reinforcement cage, and a later poured concrete core body is poured in the T-shaped cavity of the prefabricated shell. The prefabricated shell is prefabricated in a factory, and the post-cast concrete core body is manufactured in a post-cast mode on a construction site, so that the construction period is shortened, and the reinforcement cage is arranged, so that the structural strength of the prefabricated shell and the bent cap is ensured, and the assembled T-shaped cavity bent cap is suitable for a large-span bent cap.

Description

Assembled T-shaped cavity bent cap

Technical Field

The utility model relates to a prefabricated bent cap, in particular to an assembled T-shaped cavity bent cap.

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. And arranging a beam of reinforced concrete or less reinforced concrete on the bridge pier (platform) or the row pile.

The bent cap is used on the pier generally, the existing method is that a construction area is built around a construction site, then casting is carried out on site, so that the bent cap is formed, finally, the bent cap is hoisted to the pier, and the assembly of the bent cap is completed, but because the bent cap is cast on site, the bent cap is complex in terrain and is not beneficial to on site construction, the casting site and the construction site are far away and are not beneficial to transportation, the construction site cannot be moved at any time, the casting construction period of the bent cap is long, the whole weight of the bent cap is high, and particularly for the bent cap with the weight of more than 8 meters, the span is large, the dead weight is heavy, the requirement on hoisting equipment is high, and in addition, the bent cap is difficult to assemble with the pier, and the engineering progress is further slow.

Through long-term research, the inventor improves the structure and the manufacturing process of the cover beam with larger span, so that the cover beam is convenient to manufacture, has high structural strength and can hide the construction requirement.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides an assembled T-shaped cavity bent cap.

The aim of the utility model is achieved by the following technical scheme: the utility model provides an assembled T-shaped cavity bent cap, including prefabricated casing, post-cast concrete core, wave form mandrel and whole steel reinforcement cage, prefabricated casing is the equipment or prefabricates the hollow box that forms the top surface opening, the cavity of this hollow box is T-shaped cavity, T-shaped cavity comprises the lower rectangle cavity of upper portion and lower part, and enclose into the lateral wall of rectangular cavity and be thin wall structure, the left and right sides wall of rectangular cavity is thick wall structure down, the front and back lateral wall is thin wall structure, be provided with the middle baffle along left and right sides in the lower rectangle cavity, and the left and right sides both ends of middle baffle are connected with the thick wall of the prefabricated casing that corresponds respectively, whole steel reinforcement cage comprises the frame owner muscle, stirrup, the inclined bar, skeleton structure muscle, connect the structure muscle and be three-dimensional network structure, when prefabricated casing, whole steel reinforcement cage and prefabricated casing prefabricate as an organic wholely, form prefabricated part of assembled T-shaped cavity bent cap, the lateral wall of wave form the outer lateral wall of wave form mandrel and the inside wall phase-match of T-shaped cavity, and wave form in the wave form have hold in the wave form, wave form concrete mandrel is located whole cage pouring the skeleton, post-cast core is closely covers the cavity with the whole steel reinforcement cage after the prefabricated casing, the T-shaped cavity is closely knit core with the whole steel reinforcement cage, the top surface is filled with the prefabricated steel reinforcement cage, the whole steel reinforcement cage is closely corresponds to be filled with the prefabricated casing, the whole steel reinforcement cage.

Optionally, the side wall of the wave-shaped core mold is provided with a plurality of perforations, connecting structural ribs are respectively arranged in the corresponding perforations in a penetrating manner, the two ends of the connecting structural ribs penetrate out of the corresponding perforations, one end of each connecting structural rib is buried in the prefabricated shell, and the other end of each connecting structural rib is buried in the post-pouring concrete core body.

Optionally, the wave core mold is formed by assembling an industrially manufactured open-shaped wave plate or a closed-mouth wave plate.

Optionally, the middle partition plate divides the lower rectangular cavity into two rectangular cavities, and the two cavities are symmetrically arranged about the middle partition plate.

Optionally, the bottom of prefabricated casing is offered flutedly in pairs, and the middle part of recess is provided with bellied tenon, and the bottom of prefabricated casing is provided with the through-hole that corresponds with pier stud anchor reinforcing bar.

Optionally, prefabricated casing bottom is provided with the buckle of laminating with pier stud outer wall.

The utility model has the following advantages: the prefabricated shell is prefabricated in a factory, the post-cast concrete core body is manufactured in a post-cast mode on a construction site, so that the construction period is shortened, and the integral reinforcement cage is arranged, so that the structural strength of the prefabricated shell and the capping beam is ensured, and the prefabricated T-shaped cavity capping beam is suitable for a large-span capping beam.

Drawings

FIG. 1 is a schematic diagram of a prefabricated housing;

FIG. 2 is a schematic diagram of a second embodiment of a prefabricated housing;

fig. 3 is a schematic structural view of the overall reinforcement cage;

FIG. 4 is a schematic view of a waveform core;

fig. 5 is a schematic view of a wave-shaped mandrel installed in an overall reinforcement cage;

fig. 6 is a schematic structural view of the corrugated core mold after the connecting structural ribs are penetrated;

FIG. 7 is a schematic illustration of the connection of the prefabricated shell to the overall reinforcement cage;

FIG. 8 is a schematic view of a fabricated structure of a bent cap of the present utility model;

in the figure, a 1-prefabricated shell, a 2-post-pouring concrete core body, a 3-integral reinforcement cage, a 4-waveform mandrel, a 6-T-shaped cavity, a 7-middle partition plate, 8-connecting construction ribs, 9-grooves, 10-tenons, 11-accommodating grooves and 12-through holes.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 8 and 7, an assembled T-shaped cavity bent cap comprises a prefabricated shell 1, a post-cast concrete core body 2, a wave-shaped core mold 4 and an integral reinforcement cage 3, wherein as shown in fig. 1 and 2, the prefabricated shell 1 is prefabricated to form a hollow box body with an open top surface, the cavity of the hollow box body is a T-shaped cavity 6, the T-shaped cavity 6 is composed of an upper rectangular cavity and a lower rectangular cavity at the upper part, the side walls surrounding the upper rectangular cavity are of a thin-wall structure, the left and right side walls surrounding the lower rectangular cavity are of a thick-wall structure, the front and rear side walls are of a thin-wall structure, a middle partition 7 is arranged in the lower rectangular cavity along the left and right direction, the left and right ends of the middle partition 7 are respectively connected with the thick walls of the corresponding prefabricated shell 1, preferably, the top surface of the middle partition 7 is flush with the top surface of the thick wall, the middle partition plate 7 is used for dividing the lower rectangular cavity into two rectangular cavities, the two cavities are symmetrically arranged about the middle partition plate 7, so that the bent cap is of a left-right symmetrical structure and a front-back symmetrical structure, the middle partition plate 7 is arranged, thick walls at the left end and the right end are pulled through the middle partition plate 7, the prefabricated shell 1 is prevented from being broken from the middle due to the fact that the left end and the right end of the prefabricated shell 1 are overweight, the structural strength of the prefabricated shell 1 is guaranteed, in the embodiment, the appearance shape of the bent cap is basically consistent with that of an existing bent cap, the upper portion of the bent cap is a rectangular block, the lower portion of the bent cap is an isosceles trapezoid block, therefore, the depth of the upper rectangular cavity is smaller than the height of the rectangular block, and preferably, the depth of the upper rectangular cavity is smaller than the height of the rectangular block by 8-15 cm, and the upper rectangular cavity is prevented from penetrating through the isosceles trapezoid block.

In this embodiment, as shown in fig. 5, the whole reinforcement cage 3 is composed of a frame main rib, a stirrup, an oblique rib, a skeleton structure rib, and a connection structure rib 8 and is in a three-dimensional net structure, and when the shell 1 is prefabricated, the whole reinforcement cage 3 and the prefabricated shell 1 are prefabricated and poured into a whole to form a prefabricated part of the assembled T-shaped cavity capping beam.

In this embodiment, as shown in fig. 4, the outer side wall of the wave-shaped core mold 4 is matched with the inner side wall of the T-shaped cavity 6, and the wave-shaped core mold 4 is internally provided with a containing groove 11 for containing the middle partition plate 7, the wave-shaped core mold 4 is positioned in the integral reinforcement cage 3, in this embodiment, the shape of the wave-shaped core mold 4 is the same as the structure of the T-shaped cavity 6, and is also a T-shaped structure, in this embodiment, the side wall of the wave-shaped core mold 4 is provided with a plurality of perforations, connecting construction ribs 8 are respectively penetrated in the corresponding perforations, two ends of the connecting construction ribs 8 penetrate out of the corresponding perforations, one end of each connecting construction rib 8 is buried in the prefabricated shell 1, the other end of each connecting construction rib 8 is buried in the post-cast concrete core body 2, namely, the connecting construction ribs 8 connect the prefabricated shell 1, the wave-shaped core mold 4 and the post-cast concrete core body 2 in series, so as to enhance the connection coupling strength between factory prefabricated concrete and the post-cast concrete core body 2, namely, the connection coupling strength of the prefabricated shell 1 and the post-cast concrete 2 is enhanced, in the embodiment, the waveform core mold 4 is also used for manufacturing an inner mold of the prefabricated shell 1 in a factory, specifically, the integral steel reinforcement cage 3 is bound firstly, then the waveform core mold 4 is assembled by using an open waveform plate or a closed waveform plate in the integral steel reinforcement cage 3, as the integral steel reinforcement cage 3 is provided with a gap, the waveform plate can be inserted from the gap, then the waveform plate is assembled into the waveform core mold 4, then the waveform core mold 4 is penetrated with connecting constructional ribs 8, then an outer mold plate is built outside the integral steel reinforcement cage 3, after the outer mold plate is built, a cavity is formed between the outer mold plate and the waveform core mold 4, the prefabricated shell 1 is formed by pouring concrete into the cavity, the integral steel reinforcement cage 3 and the waveform core mold 4 are connected into an open box structure by the prefabricated shell 1, thus completing the prefabrication of the prefabricated parts of the prefabricated housing 1. After the prefabricated shell 1 is transported to a construction site and installed on a pier stud, concrete is poured into the T-shaped cavity 6 of the prefabricated shell 1, the formation and the assembly installation of a bent cap are completed, and then the poured concrete core body 2 is poured into the cavity of the prefabricated shell 1, so that the post-poured concrete core body 2 is required to be flush with the top surface of the prefabricated shell 1.

In this embodiment, the wave core mold 4 is an industrially manufactured open-shaped wave plate or a closed-end wave plate, the open-end wave plate is a wave plate with wave shapes on both sides, and the closed-end wave plate is a wave plate with wave shapes on one side, so that after the wave core mold 4 is assembled and formed, the inner side or/and the outer side wall of the wave core mold 4 is provided with wave crests and wave troughs, a groove body is formed between two adjacent wave crests, when the prefabricated shell 1 and the post-cast concrete core body 2 are poured, concrete is filled into the corresponding groove body, that is, the wave core mold 4 forms a mutually staggered saw-tooth structure with the prefabricated shell 1 and the post-cast concrete core body 2, the contact surface of the wave core mold 4 is wrapped by the wave core mold 4, the self-shearing capacity of the saw-tooth structure is enhanced, the close occlusion of adjacent saw teeth can be ensured, the stress mechanism of the joint surface of the assembled T-shaped cavity cover beam is improved, the contact reliability of the assembled T-shaped cavity cover beam is ensured, and when the wave core mold is installed in the whole steel reinforcement cage 3, the wave plate is clamped in the gap in the whole steel reinforcement cage 3.

In this embodiment, the wavy core mold 4 is provided with the accommodating groove 11 for accommodating the middle partition 7, and when the connecting structural rib 8 is penetrated, the connecting structural rib 8 directly penetrates through the accommodating groove 11, and the connecting structural rib 8 positioned in the accommodating groove 11 is buried in the middle partition 7 after the prefabrication of the prefabrication shell 1 is completed, so that the structural strength of the middle partition 7 is improved, and meanwhile, the connecting structural rib 8 in the middle partition 7 can also play an auxiliary role in pulling the thick wall of the middle partition 7.

In this embodiment, as shown in fig. 1, the bottom of the prefabricated shell 1 is provided with a groove 9 in pairs, the middle of the groove 9 is provided with a raised tenon 10, the bottom of the prefabricated shell 1 is provided with a through hole 12 corresponding to the pier stud anchoring reinforcing steel bar, the tenon 10 is of a rectangular structure, four corners of the tenon 10 are provided with chamfers, the through hole 12 is convenient for the reinforcing steel bar on the pier to penetrate, the reinforcing steel bar on the pier is bound with a reinforcement cage, and further the connection stability between the capping beam and the pier is ensured, when the post-cast concrete core body 2 is cast, the capping beam and the post-cast concrete core body 2 are fused into a whole, and further the reliable connection between the prefabricated capping beam and the pier stud is ensured, and when the post-cast concrete core body 2 is cast, the prefabricated part of the capping beam is a support and a mould system of the implementation stage of the post-cast concrete core body 2, so that the traditional and other assembly type operations are avoided, and the site also require auxiliary operations such as templates, supports and the like, and further the interference to the periphery and the environment are avoided, so that the capping beam is only required to be pulled to the prefabricated shell 1 to the construction site when the cast-cast concrete core body is cast in situ, and finally the hollow box body is assembled in a large-cast hollow box body, and the construction period of the hollow box body can be formed in the prefabricated shell is shortened, and the hollow box body can be assembled in the hollow box body is formed in the prefabricated body and the hollow box body is formed in the prefabricated body 2.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. An assembled T-shaped cavity bent cap, its characterized in that: including prefabricated casing, post-cast concrete core, wave form mandrel and whole reinforcement cage, prefabricated casing is prefabricated hollow box that forms top surface open-ended, and the cavity of this hollow box is T shape cavity, T shape cavity comprises the last rectangle cavity on upper portion and the lower rectangle cavity of lower part, and encloses into the lateral wall of last rectangle cavity is thin wall structure, encloses into the lateral wall of rectangle cavity is thick wall structure, front and back lateral wall are thin wall structure about the lower rectangle cavity, along controlling the direction in the rectangle cavity down be provided with the middle baffle, just the left and right sides both ends of middle baffle are connected with the thick wall of the prefabricated casing that corresponds respectively, whole reinforcement cage comprises frame owner muscle, stirrup, inclined reinforcement, skeleton structure muscle, connection structure muscle, when prefabricated casing, whole reinforcement cage with prefabricated casing prefabricates the body and pours as an organic wholely, forms the prefabricated part of assembled T shape cavity bent cap, the lateral wall of wave form with wave form cavity's lateral wall phase-match, just have the holding groove in the rectangle cavity, be located along controlling the direction in the lower rectangle cavity, the hollow core is in the hollow core, the hollow core is filled with the hollow, the hollow core is filled to the reinforcement cage is in the cavity, the cavity is closely knit to the whole reinforcement cage is filled to the core.

2. A fabricated T-cavity bent cap according to claim 1, wherein: and a plurality of perforations are formed in the side wall of the waveform core mold, connecting structural ribs are arranged in the perforations in a penetrating manner, the corresponding perforations are formed in the two ends of the connecting structural ribs in a penetrating manner, one end of each connecting structural rib is buried in the prefabricated shell, and the other end of each connecting structural rib is buried in the post-pouring concrete core body.

3. A fabricated T-cavity bent cap according to claim 2, wherein: the waveform mandrel is formed by assembling an industrially manufactured opening waveform plate or a closed waveform plate.

4. The assembled T-shaped cavity bent cap of any one of claims 1-3, wherein: the middle partition plate divides the lower rectangular cavity into two rectangular cavities, and the two cavities are symmetrically arranged relative to the middle partition plate.

5. The fabricated tee cavity bent cap of claim 4, wherein: the bottom of prefabricated casing is set up flutedly, the middle part of recess is provided with bellied tenon, the bottom of prefabricated casing is provided with the through-hole that corresponds with pier stud anchor reinforcing bar.

6. The fabricated tee cavity bent cap of claim 4, wherein: the prefabricated casing bottom is provided with the buckle of laminating with pier stud outer wall.