Combined bridge deck slab access hole of bridge

Abstract

The utility model discloses a combined bridge deck access hole of a bridge, which comprises an inner hole and an outer hole with regular shapes, the centers of the inner hole and the outer hole coincide, the inner hole is provided with an air-tight door for daily passage of maintainers, and the outer hole is formed by reserving a cutting line on a bridge deck and is used for transporting large equipment. The inner hole and the outer hole with the coincident centers are formed, the outer hole is a reserved cutting line, and the steel-concrete combined component and the steel structure reinforcing component are arranged at the access hole, so that equipment transportation and hoisting are facilitated, the structural strength is improved, large equipment can enter a bridge conveniently, and meanwhile, the bridge safety is guaranteed.

Description

Technical Field

[0001] This utility model belongs to the field of bridge manufacturing technology, specifically relating to a bridge composite deck inspection hole. Background Technology

[0002] With the development of bridge technology, composite bridge decks have gradually become a new type of bridge deck. This type of deck has a reinforced concrete upper layer and a steel lower layer, which are combined through load-bearing components to form a unified structure, characterized by its light weight and good load-bearing performance. Large-scale and intelligent bridges require the installation of large equipment such as electrical distribution boxes inside the bridge. During operation, equipment replacement is necessary, necessitating the provision of access ports for this large equipment. The conventional practice is to install these access ports on the steel plates at the bottom or sides of the bridge. However, when access ports are installed at the bottom or sides of the bridge, there are often rivers flowing underneath, and the presence of high-grade roads where traffic disruption is not advisable, making the hoisting of large equipment into the beam from the bottom or sides extremely difficult. Utility Model Content

[0003] In view of this, the purpose of this utility model is to provide a bridge composite deck inspection hole to overcome the shortcomings of the prior art.

[0004] To achieve the above objectives, this utility model is implemented through the following technical solution:

[0005] A bridge deck inspection hole is provided, comprising an inner hole and an outer hole with regular shapes disposed on the bridge deck, wherein the centers of the inner hole and the outer hole coincide, the inner hole having a sealed door for daily passage of maintenance personnel, and the outer hole being formed by pre-cutting lines on the bridge deck for transporting large equipment.

[0006] As described above, the bridge deck inspection hole is provided with annular reinforcing ribs at the edge of the inner hole.

[0007] As described above, the bridge deck inspection hole of the bridge assembly includes an opening plate on the annular reinforcing rib of the inner hole as a connecting component.

[0008] As described above, the bridge deck inspection hole is provided with a plate-type reinforcing rib on the outer side of the outer hole.

[0009] As described above, the bridge composite deck inspection hole has an inner hole that is oblong and an outer hole that is rectangular.

[0010] The beneficial effects of this utility model's technical solution are:

[0011] 1. A bridge composite deck inspection hole was developed, which allows large equipment to easily enter the bridge interior while ensuring bridge safety.

[0012] 2. Inspection holes are provided on the bridge deck, i.e., the top surface of the main beam, which makes transportation and hoisting more convenient and safer than opening holes on the side or bottom surface.

[0013] 3. The inspection hole is divided into an inner hole and an outer hole. The inner hole is easy to open, while the outer hole has a large area, which facilitates the passage of large equipment.

[0014] 4. Perforated plates are installed on the inner hole stiffening steel plates, stiffening steel plates are installed at the edge of the inner hole, and stiffening steel plates are installed on the outer side of the outer hole edge, which improves the strength of the bridge deck.

[0015] 5. The concrete of the bridge deck is poured in two stages. The concrete bridge deck within the outer hole cutting line is poured separately in the second stage. When transporting equipment, only a small area of ​​concrete is cut, which does not affect the strength of the concrete bridge deck. Attached Figure Description

[0016] To further illustrate the above-mentioned objectives, structural features, and effects of this utility model, the following will describe this utility model in detail with reference to the accompanying drawings.

[0017] Figure 1 This is a plan view of the inspection hole in a preferred embodiment of the present invention;

[0018] Figure 2 This is a cross-sectional view of the inspection hole in a preferred embodiment of the present invention;

[0019] In the diagram: 1. Inner hole; 2. Outer hole; 3. Sealed door; 4. Annular reinforcing rib; 5. Connecting component; 6. Plate-type reinforcing rib. Detailed Implementation

[0020] The terms “utility model” and “this utility model” used in this specification are intended to broadly refer to all subject matter of this specification and any of the following patent claims. Statements containing these terms should not be construed as limiting the subject matter described herein or limiting the meaning or scope of any of the following patent claims. Furthermore, this specification does not attempt to describe or limit the subject matter covered by any claim of any particular component, paragraph, statement, or drawing of this application. The subject matter should be understood with reference to the entire specification, all drawings, and any of the following claims. This utility model may have other embodiments and be practiced or implemented in other ways. Moreover, it should be understood that the wording and terminology used herein are for illustrative purposes and should not be considered limiting.

[0021] The details of the present invention will now be discussed with reference to the accompanying drawings, which are illustrated by way of example only. In the drawings, similar features or components may be labeled with the same reference numerals.

[0022] The use of the terms "comprising," "having," and "including," and variations thereof, herein means to include the items listed herein, their equivalents, and additional items. While reference may be made in the description of the drawings to directions such as above, below, upward, downward, backward, bottom, top, front, rear, etc., for convenience, reference is made relative to the drawings. These directions are not intended to literally accept or limit the invention in any form. Furthermore, terms such as "first," "second," "third," etc., are used herein for illustrative purposes and are not intended to indicate or imply importance or significance.

[0023] See Figure 1 and Figure 2 As shown in the preferred embodiment, the bridge deck inspection hole of this utility model includes an inner hole 1 and an outer hole 2 with regular shapes disposed on the bridge deck. The centers of the inner hole 1 and the outer hole 2 coincide. The inner hole 1 has a sealed door 3 for daily passage of maintenance personnel and is used frequently. The outer hole 2 is formed by leaving a cutting line on the bridge deck for transporting large equipment to be replaced. It is used about once every 15-20 years. A cutting line is left on the bridge deck and it is cut along the cutting line when in use.

[0024] An annular reinforcing rib 4 is provided at the edge of the inner hole 1. An open plate is provided on the annular reinforcing rib 4 of the inner hole 1 as a connecting member 5. The connecting member 5 is a steel-concrete composite member. A plate-type reinforcing rib 6 (reinforcing steel plate) is provided on the outer side of the outer hole 2. The inspection hole is provided with a steel-concrete composite member and a steel structure reinforcing member to meet the stress requirements of the bridge deck and ensure that the stress performance of the composite bridge deck is not reduced after the inspection hole is installed.

[0025] The inner hole 1 is preferably a waist-shaped hole, and the outer hole 2 is preferably a rectangular hole.

[0026] See Figure 2 As shown, the concrete bridge deck is poured in two stages. The concrete bridge deck within the outer hole cutting line is the second pour, while the other concrete is the first pour.

[0027] This invention differs from the practice of opening a single hole on the bottom and side of the bridge and arranging a ring of circumferential stiffening steel plates. Instead, it sets up an inspection hole on the bridge deck for equipment hoisting, and correspondingly sets up steel-concrete composite components and steel structure reinforcement components. This solves the problem of transporting large equipment through the bridge inspection hole, which is difficult and affects the structural safety. Large equipment can easily enter the bridge interior, while ensuring the safety of the bridge.

[0028] The above are merely preferred embodiments of the present utility model and are not intended to limit the implementation methods and protection scope of the present utility model. Those skilled in the art should realize that any equivalent substitutions and obvious changes made based on the description and illustrations of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A bridge composite deck inspection hole, characterized in that, It includes regular-shaped inner and outer holes set on the bridge deck, with the centers of the inner and outer holes coinciding. The inner hole has a sealed door for daily passage by maintenance personnel, and the outer hole is formed by pre-cutting lines on the bridge deck for transporting large equipment.

2. The bridge composite deck inspection hole as described in claim 1, characterized in that, The inner hole edge is provided with annular reinforcing ribs.

3. The bridge composite deck inspection hole as described in claim 2, characterized in that, An opening plate is provided on the annular reinforcing rib of the inner hole as a connecting component.

4. The bridge composite deck inspection hole as described in claim 1, characterized in that, The outer side of the outer hole is provided with plate-type reinforcing ribs.

5. The bridge composite deck inspection hole as described in claim 1, characterized in that, The inner hole is a waist-shaped hole, and the outer hole is a rectangular hole.

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