CN209584848U - Prefabricated bearing platform pier pile reserved joint full-scale model template and pouring system - Google Patents

Abstract

The utility model discloses a full-scale model formwork and pouring system for the reserved joints of the prefabricated abutment pier piles, and relates to the objective requirements of prefabricated assembly construction bridge connection joint joint pouring construction. The utility model can simulate the joint filling material during on-site pouring boundary conditions, belonging to the field of construction application technology, the utility model is easy to manufacture, the detailed structure simulates the boundary conditions of the filling materials, the adjustment range of the template seam width meets the requirements of the design drawings, and the usage of the filling materials is small, which not only satisfies the requirement for mixing The determination of the equipment parameters can also test the construction process of the joint filling material. Through the observation of the appearance of the sample after the removal of the formwork and the strength detection of the material after cutting, the performance of the joint filling material can be intuitively and accurately interpreted. The utility model Steel bars are welded on four sides of the middle and outer mold to imitate the corrugated surface of the interface; steel bars are welded on one side of the inner mold and the remaining three sides are smooth to imitate the corrugated interface, which can effectively improve the compactness when pouring the joints of cap pier piles, and has broad application prospects.

Description

A full-scale model template and pouring system for prefabricated cap pier piles with reserved joints

technical field

The utility model relates to the objective requirements of prefabricated assembly construction bridge connection joint pouring construction. The utility model can simulate the boundary conditions of filling joint materials during on-site pouring. Joint full-scale model formwork and pouring system.

Background technique

In my country, the prefabricated construction technology of the bridge superstructure is relatively mature and has been adopted in a large number of bridge constructions, while the substructure is the key to the current prefabricated bridge, especially for the high-vibration area of Beijing, the connection form, mechanics of the substructure Performance and anti-vibration performance are the most critical links. Carry out experimental research on key technologies such as prefabricated joint joint ultra-high performance concrete filling construction technology to provide a basis and basis for bridge construction project design and on-site construction technology.

Whether self-compacting concrete can meet the requirements of densely filling formwork under the condition of only relying on its own gravity, its workability plays a crucial role, and its excellent workability is the most fundamental difference from ordinary concrete. At present, the characteristics of self-compacting concrete and the special structural form of bridge connection joints in prefabricated assembly construction still have the following technical difficulties: ①The width of connection joints is limited, and the pouring construction technology needs to be studied; ②The joint grouting may exist but cannot be detected. difficult problems and avoid quality hazards.

For this reason, we propose a full-scale model formwork and pouring system with joints reserved for prefabricated cap pier piles. The four sides of the outer formwork of the formwork are welded with steel bars to imitate the corrugated surface of the interface; one side of the inner form is welded with steel bars, and the other three sides are smooth. Imitate the corrugated surface of the interface to solve the difficult technical problem of making the corrugated surface of the interface.

Utility model content

The purpose of this utility model is to provide a full-scale model formwork and pouring system for the reserved joints of assembled pier piles, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A full-scale model template for prefabricated pier piles with reserved seams, including prefabricated pier piles and caps, the prefabricated pier piles are installed on the caps, and the caps are the supporting platforms or enlarged foundations of prefabricated pier piles ; It also includes reserved slots, pouring concrete, tooth keys and templates, the reserved slots are set on the cap, the prefabricated pier piles are connected in the reserved slots by pouring concrete, and the templates include outer mold and inner mold, the inner mold is arranged inside the outer mold, the tooth key is arranged between the outer mold and the inner mold, and the outer four sides of the outer mold imitate the corrugated surface of the interface, and the corrugated surface of the interface is used when pouring joints in prefabricated buildings The advantage of using the corrugated surface on the contact surface between the cap and the prefabricated pier is to improve the compactness of the pouring.

As a further solution of the utility model: as mentioned above, both the outer mold and the inner mold are square, and the materials of the outer mold and the inner mold are all steel materials.

As a further solution of the present utility model: the outer four sides of the outer mold and the inner side of the inner mold are all provided with steel bars, and the other three inner sides of the inner mold are smooth surfaces, and the steel bars are welded on the outer mold and the inner mold; The function of the bar is to simulate the detailed structure of the corrugated surface of the interface.

As a further solution of the utility model: the parameters of the outer mold are: side length 2150mm, height 2400mm; the parameters of the inner mold are: side length 2000mm, height 2400mm; the parameters of the steel bar are: width 50mm, thickness 7mm.

As a further solution of the utility model: the distance between the centers of the steel bars on the outer mold and the inner mold is 100m, and the steel bars are provided with chamfers.

As a further solution of the utility model: four sides of the welded steel bars on the outer mold and one side of the welded steel bars on the inner mold are used as tooth keys.

A prefabricated reserved joint pouring system comprising the above-mentioned prefabricated cap pier pile reserved joint full-scale model formwork.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model is easy to manufacture, and the detailed structure simulates the boundary conditions of the joint filling material. The adjustment range of the template joint width meets the requirements of the design drawings, and the usage of the joint filling material is small, which not only meets the determination of the parameters of the mixing equipment, but also can effectively control the joint filling. The construction process of the material is inspected. Through the observation of the appearance of the sample after the formwork is removed and the strength test of the material after cutting, the performance of the joint filling material can be intuitively and accurately interpreted.

In the utility model, four sides of the outer mold are welded with steel bars to imitate the corrugated surface of the interface; one side of the inner mold is welded with steel bars, and the remaining three sides are smooth surfaces to imitate the corrugated interface of the interface, which can effectively improve the compactness when pouring into the joints of pile caps; the utility model It is convenient and quick to adjust the gap width, determine the groutable gap width of the grouting material, determine the groutable gap width parameters, and conduct appearance and indoor tests on the model to verify the compactness of the material; the utility model can reduce the construction difficulty and speed up the assembled bridge. Construction progress; it overcomes the limitations of sleeve reinforcement connection and grouting bellows connection to be verified, reduces the workload of cast-in-place, improves the assembly rate, and speeds up the construction progress; reduces the difficulty of positioning in the construction process; the utility model can improve the prefabricated pier column The mechanical performance of the joint with the foundation can be strengthened; the thickness of the platform can be reduced, which has broad application prospects.

Description of drawings

Fig. 1 is a structural schematic diagram of a full-scale model of an assembled cap pier pile in the utility model.

Fig. 2 is a structural schematic diagram of the interface corrugated surface of the full-scale model of the assembled pier pile in the utility model.

Fig. 3 is a top view structural schematic diagram of the outer mold of the full-scale model of the assembled cap pier pile in the utility model.

Fig. 4 is a schematic diagram of the front view of the outer mold of the full-scale model of the assembled pier pile pile in the utility model.

Fig. 5 is a left view structure schematic diagram of the outer mold of the full-scale model of the assembled cap pier pile in the utility model.

Fig. 6 is a top view structural diagram of the inner mold of the full-scale model of the assembled pier pile pile in the utility model.

Fig. 7 is a schematic diagram of the front view of the inner mold of the full-scale model of the assembled pier pile pile in the utility model.

Fig. 8 is a left view structural diagram of the inner mold of the full-scale model of the assembled cap pier pile in the utility model.

In the figure: 1-prefabricated pier pile, 2-reserved slot, 3-tooth key, 4-poured concrete, 5-cap, 6-interface corrugated surface, 7-outer mold, 8-steel bar, 9-inner mold.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment one

Please refer to Figures 1 to 8. In an embodiment of the present utility model, a full-scale model template for the reserved seam of an assembled cap pier pile includes a prefabricated pier pile 1 and a cap 5, and the prefabricated pier pile 1 is installed on the pier pile. On the platform 5, the cap 5 is the support platform or the enlarged foundation of the prefabricated pier pile 1; it also includes reserved slots 2, poured concrete 4, tooth keys 3 and formwork, and the reserved slots 2 are arranged on the caps 5, the prefabricated pier pile 1 is poured and connected in the reserved slot 2 by pouring concrete 4, the formwork includes an outer mold 7 and an inner mold 9, the inner mold 9 is set inside the outer mold 7, and the tooth key 3 is set Between the outer mold 7 and the inner mold 9, the outer four sides of the outer mold 7 imitate the interface corrugated surface 6, and the interface corrugated surface 6 is the contact surface between the cap 5 and the prefabricated pier pile 1 during joint pouring in the prefabricated building, The advantage of using corrugated surface is to improve the compactness of pouring.

In the embodiment of the utility model, the outer mold 7 and the inner mold 9 are square, and the materials of the outer mold 7 and the inner mold 9 are all steel materials, and the four sides of the outer mold 7 and the inner side of the inner mold 9 are all arranged There are steel bars 8, and the other three sides inside the inner mold 9 are smooth surfaces, and the steel bars 8 are welded on the outer mold 7 and the inner mold 9; the effect of the steel bars 8 is to simulate the detailed structure of the interface corrugated surface 6.

In the embodiment of the utility model, the parameters of the outer mold 7 are: side length 2150mm, height 2400mm; the parameters of the inner mold 9 are: side length 2000mm, height 2400mm; the parameters of the steel bar 8 are: width 50mm , thick 7mm.

In the embodiment of the utility model, the distance between the centers of the steel bars 8 on the outer mold 7 and the inner mold 9 is 100 m, and the steel bars 8 are provided with chamfers; the four sides of the steel bars 8 and the inner mold 9 are welded on the outer mold 7 One side of upper welding steel bar 8 is made tooth key 3.

Embodiment two

In the embodiment of the present utility model, a prefabricated reserved seam pouring system including a full-scale model template for the reserved seam of the assembled cap pier pile is provided, and the prefabricated cap pier pile reserved seam full scale The structure of the model template is the same as that described in Embodiment 1.

In the utility model, four sides of the outer mold are welded with steel bars to imitate the corrugated surface of the interface; one side of the inner mold is welded with steel bars, and the remaining three sides are smooth surfaces to imitate the corrugated interface of the interface, which can effectively improve the compactness when pouring into the joints of pile caps; the utility model It is convenient and quick to adjust the gap width, determine the groutable gap width of the grouting material, determine the groutable gap width parameters, and conduct appearance and indoor tests on the model to verify the compactness of the material; the utility model can reduce the construction difficulty and speed up the assembled bridge. Construction progress; it overcomes the limitations of sleeve reinforcement connection and grouting bellows connection to be verified, reduces the workload of cast-in-place, improves the assembly rate, and speeds up the construction progress; reduces the difficulty of positioning in the construction process; the utility model can improve the prefabricated pier column The mechanical performance of the joint with the foundation can be strengthened; the thickness of the platform can be reduced, which has broad application prospects.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (8)

1. seam prototype template, including prefabricated pier stake (1) and cushion cap (5) are reserved in a kind of assembled cushion cap pier stake, described pre- Pier stake (1) processed is mounted on cushion cap (5), and the cushion cap (5) is the supporting table or Extended chemotherapy of prefabricated pier stake (1)；Its feature exists In further including reserved slot (2), concrete perfusion (4), alligator (3) and template, the reserved slot (2) is arranged in cushion cap (5) On, the prefabricated pier stake (1) is connected in reserved slot (2) by concrete perfusion (4) perfusion, and the template includes external mold (7) it is arranged between external mold (7) and internal model (9) with internal model (9), internal model (9) setting in external mold (7) inside, the alligator (3), Interface corrugated surface (6) are imitated at four sides on the outside of the external mold (7), and the interface corrugated surface (6) is that seam pours in assembled architecture The contact surface of Shi Chengtai (5) and prefabricated pier stake (1).

2. seam prototype template is reserved in assembled cushion cap pier stake according to claim 1, which is characterized in that described outer Mould (7) and internal model (9) be it is rectangular, the material of external mold (7) and internal model (9) is steel material.

3. seam prototype template is reserved in assembled cushion cap pier stake according to claim 2, which is characterized in that described outer The outside four sides of mould (7) and the inside of internal model (9) are provided with steel bar (8) on one side, and other three faces in the inside of internal model (9) are light Face, the steel bar (8) are welded on external mold (7) and internal model (9).

4. seam prototype template is reserved in assembled cushion cap pier stake according to claim 3, which is characterized in that described outer The parameter of mould (7) are as follows: side length 2150mm, high 2400mm.

5. seam prototype template is reserved in assembled cushion cap pier stake according to claim 3, which is characterized in that in described The parameter of mould (9) are as follows: side length 2000mm, high 2400mm.

6. seam prototype template is reserved in assembled cushion cap pier stake according to claim 3, which is characterized in that the steel The parameter of item (8) are as follows: wide 50mm, thick 7mm, steel bar (8) center spacing on external mold (7) and internal model (9) is 100m, steel bar (8) On be provided with chamfering.

7. seam prototype template is reserved in assembled cushion cap pier stake according to claim 1, which is characterized in that described outer It is welded on mould (7) and welds steel bar (8) on the four sides and internal model (9) of steel bar (8) and do alligator (3) on one side.

8. a kind of assembled for reserving seam prototype template including assembled cushion cap pier stake as claimed in claim 1 to 7 Reserved seam casting system.