CN205617245U - A unsettled built -up plate support frame for high pier capping beam - Google Patents

Abstract

The utility model provides a suspended combined formwork support frame for high pier cover beams, which includes a pier body steel formwork and a support frame assembly. The frame assembly includes support frame cross braces and cover beam formwork diagonal braces. The support frame cross braces are horizontally connected between the pier body steel formworks on both sides of the pier body through the first connection assembly, and the cover beam formwork diagonal braces are connected obliquely through the second connection assembly. Between the cap beam formwork and the pier body steel formwork. It effectively solves the problems of difficult construction of high piers in strong wind environment and low work efficiency. Compared with conventional high pier support technology, it avoids operators and mechanical equipment working in strong wind for a long time, effectively guarantees construction safety and improves work efficiency; The pre-embedded corbel technology reduces the installation of pre-embedded steel plates, reduces the risk of dismantling corbels, simplifies the process, and improves work efficiency and structural quality.

Description

A Suspension Composite Formwork Support Frame for High Pier Cap Beams

technical field

The utility model belongs to the technical field of bridge engineering construction, in particular to a suspended combined formwork support frame used for high pier cover beams.

Background technique

Under sea conditions, the construction of high pier and cover beams of cross-sea bridges belongs to high-altitude operations, and in harsh environments such as monsoons and typhoons, it is difficult for operators to operate, with high safety risks and low equipment efficiency. At present, in the construction process of large-scale bridges such as crossing the sea and crossing the river, high pier supports are often used in the construction process of high pier supports, and the side walls of the pier body are pre-embedded with load-bearing corbels to erect support frames. Facing severe weather such as monsoons and typhoons, the erection accuracy of steel pipes in erecting high pier supports is uncontrollable, and the installation and removal of pre-embedded corbels during the construction of pre-embedded corbels is relatively high safety risk, and the pier body appearance of pre-embedded parts is required Repair, construction operators are working under high altitude and strong wind, which poses a great safety hazard.

Utility model content

In view of this, the utility model aims to propose a suspended combined formwork support frame for high pier cover beams, which effectively solves the difficulties of high pier construction and low work efficiency in strong wind environments. Compared with conventional high pier support technology, it avoids Operators and mechanical equipment work in strong wind for a long time, which effectively guarantees construction safety and improves work efficiency; compared with the pre-embedded corbel process, it reduces the installation of pre-embedded steel plates, reduces the risk of removing corbels, and simplifies the process. Improved work efficiency and structural quality.

In order to achieve the above object, the technical solution of the utility model is achieved in that:

A suspended combined formwork support frame for high pier cover beams, including a pier body steel formwork and a support frame assembly, the pier body steel formwork is horizontally connected between the steel bars at the top section chamfer of the pier body, and the support frame The assembly includes support frame cross braces and cover beam formwork braces, the support frame cross braces are horizontally connected between the pier body steel formworks on both sides of the pier body through the first connecting assembly, and the cover beam formwork diagonal braces are connected through the first connecting assembly The two connecting components are obliquely connected between the cover beam formwork and the pier body steel formwork.

Further, the support frame cross brace includes formwork cross ribs, square steel cross braces, gusset plates and triangular steel wedges, and the square steel cross braces are connected between two parallel placed formwork cross ribs. The gusset plate is welded between the steel cross brace and the formwork transverse rib, and the triangular steel wedge is welded on the outer side of the formwork transverse rib corresponding to the square steel cross brace.

Further, the formwork transverse rib is welded by welding the back and sides of two channel steels.

Further, the brace of the cover beam formwork includes a brace beam, and the brace beam is welded by splicing the back and sides of two channel steels.

Further, the braces of the cover beam formwork also include trim plates, and the trim plates are welded on the brace beams at intervals.

Further, the first connecting component includes bolts and steel plates.

Further, the second connection assembly includes bolts and a top plate.

Compared with the prior art, the suspended combined formwork support frame for high pier cap beams described in the utility model has the following advantages:

The load borne by the concrete and cover beam formwork can be transferred to the steel formwork of the pier body through the support frame assembly, and the cross brace of the support frame can pass through the first connection assembly, using the bolts and steel plates in the first connection assembly to chamfer the top section of the high pier The steel formwork of the pier body is bolted to bear the horizontal load; the diagonal bracing of the cover beam formwork can be connected between the cover beam formwork and the pier body steel formwork through the second connecting component, using the bolts and the top plate in the second connecting component, to bear the cover Beams are loaded vertically and share horizontal loads. It effectively solves the problems of difficult construction and low work efficiency of high piers in strong wind environment: compared with conventional high pier support technology, it avoids operators and mechanical equipment working in strong wind for a long time, effectively guarantees construction safety and improves work efficiency; The pre-embedded corbel technology reduces the installation of pre-embedded steel plates, reduces the risk of dismantling corbels, simplifies the process, and improves work efficiency and structural quality.

The gusset plate welded between the square steel cross brace and the formwork transverse rib can strengthen the connection between the square steel cross brace and the formwork transverse rib, and enhance the load-bearing capacity; the triangular steel wedge helps the formwork transverse rib to be inserted into the corresponding fixed pier body Steel formwork.

Description of drawings

The accompanying drawings constituting a part of the utility model are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 is the overall structural representation of the utility model embodiment

Fig. 2 is the schematic diagram of the support frame cross-brace structure of the utility model embodiment;

Fig. 3 is the schematic diagram of the brace structure of the cover beam formwork of the utility model embodiment;

Fig. 4 is the schematic diagram of the utility model first step construction;

Fig. 5 is the schematic diagram of the utility model second step construction;

Fig. 6 is the schematic diagram of the third step construction of the utility model;

Fig. 7 is the schematic diagram of the fourth step construction of the utility model;

Fig. 8 is a schematic diagram of the construction of the fifth step of the utility model.

Explanation of reference signs:

1-steel formwork for pier body; 2-support frame cross brace; 21-formwork cross rib; 22-square steel cross brace; 23-node plate; 24-triangular steel wedge; Beam; 32-panel; 4-first connecting component; 5-second connecting component; 6-temporary working platform; 7-cover beam formwork.

detailed description

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

In describing the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention. Novel and simplified descriptions do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the utility model. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, a feature defined as "first", "second", etc. may expressly or implicitly include one or more of that feature. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or 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 invention through specific situations.

The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

As shown in Figure 1, the utility model provides a suspended combined formwork support frame for high pier cover beams, including a pier body steel formwork 1 and a support frame assembly, and the pier body steel formwork 1 is horizontally connected to the top section of the pier body Between the steel bars at the chamfer, the support frame assembly includes a support frame cross brace 2 and a cover beam formwork diagonal brace 3, and the support frame cross brace 2 is horizontally connected to the two sides of the pier body through a first connection assembly 4 Between the pier body steel formwork 1, the cover beam formwork brace 3 is obliquely connected between the cover beam formwork 7 and the pier body steel formwork 1 through the second connection assembly 5 .

As shown in Figure 2, the support frame cross brace 2 includes formwork cross ribs 21, square steel cross braces 22, gusset plates 23 and triangular steel wedges 24, and the square steel cross braces 22 are connected to two parallel placed Between the formwork transverse ribs 21, the gusset plate 23 is welded between the square steel transverse brace 22 and the formwork transverse rib 21, and the triangular steel wedge 24 is welded on the formwork corresponding to the square steel transverse brace 22 The outer side of the transverse rib 21.

The formwork transverse rib 21 is formed by welding the back and sides of two channel steels.

As shown in FIG. 3 , the brace 3 of the cover beam formwork includes a brace beam 31 , and the brace beam 31 is welded by splicing the back and sides of two channel steels.

The brace 3 of the cover beam formwork also includes trim plates 32 , and the trim plates 32 are welded on the brace beam 31 at intervals.

The first connection assembly 4 includes bolts and steel plates.

The second connection assembly 5 includes bolts and a top plate.

The working steps of this example are as follows:

The first step, as shown in Figure 4, after the concrete strength of the bottom section of the high pier meets the requirements, install the welded pier body reinforcement, and then install the pier body steel formwork 1 between the reinforcement bars at the top section chamfer of the pier body;

In the second step, as shown in Figure 5, the support frame cross brace 2 is horizontally connected between the pier body steel formwork 1 on both sides of the pier body through the first connection assembly 4;

The 3rd step, as shown in Figure 6, lay temporary working platform 6 on support frame cross brace 2;

The fourth step, as shown in Figure 7, relies on the temporary work platform 6 to hoist the cover beam formwork brace 3, and obliquely connect the cover beam formwork brace 3 between the cover beam formwork 7 and the pier body steel formwork 1 through the second connecting component 5 between;

The fifth step, as shown in Figure 8, continues to install the cap beam formwork 7 above, debug and check the cap beam formwork 7, bind the cap beam steel bars, and pour the cap beam concrete.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (7)

1. A suspended combined formwork support frame for high pier cap beams, characterized in that: it comprises a pier body steel formwork and a support frame assembly, and the pier body steel formwork is horizontally connected between the reinforcing bars at the top section chamfers of the pier body Between, the support frame assembly includes support frame cross braces and cover beam formwork diagonal braces, the support frame cross braces are horizontally connected between the pier body steel formworks on both sides of the pier body through the first connection assembly, the cover The brace of the beam formwork is obliquely connected between the cover beam formwork and the pier body steel formwork through the second connection assembly. 2. The suspended combined formwork support frame for high pier cover beams according to claim 1, characterized in that: the support frame cross braces include formwork cross ribs, square steel cross braces, gusset plates and triangular steel wedges, the The square steel cross brace is connected between two parallel placed formwork transverse ribs, the gusset plate is welded between the square steel cross brace and the formwork transverse rib, and the triangular steel wedge corresponds to the square Steel cross braces are welded on the outside of the formwork transverse ribs. 3. The suspended combined formwork support frame for high pier cover beam according to claim 2, characterized in that: the formwork transverse rib is formed by welding the back and sides of two channel steels. 4. The suspended combined formwork support frame for high pier cover beams according to claim 1, characterized in that: said cover beam formwork diagonal braces comprise diagonal brace beams, said diagonal brace beams are formed by two channel steel back sides Welded after splicing. 5. The suspended combined formwork support frame for high pier cover beams according to claim 4, characterized in that: said cover beam formwork braces also include trim plates, and said trim plates are welded to said brace beams at intervals superior. 6. The suspended combined formwork support frame for high pier cap beams according to claim 1, characterized in that: the first connecting component comprises bolts and steel plates. 7. The suspended combined formwork support frame for high pier cap beams according to claim 1, characterized in that: the second connection assembly includes bolts and a top plate.