Reinforcing device for prestressed perforated plate

Abstract

The utility model belongs to the technical field of reinforcing of prestressed concrete perforated plates, and particularly relates to a reinforcing device of a prestressed perforated plate. The damping device comprises a horizontally-arranged composite damping steel plate and a vertically-arranged supporting steel plate, wherein the supporting steel plate is fixedly arranged at the bottom of the composite damping steel plate; one side flange of the composite damping steel plate is inserted into a notch of the wall body, and the concrete perforated plate is pressed on the composite damping steel plate; the composite damping steel plate is composed of a first steel plate, a damping layer and a second steel plate from top to bottom, and the first steel plate and the second steel plate are connected through a mortise and tenon joint structure. The reinforcing device of the T-shaped structure can be effectively used for supporting and reinforcing the prestressed concrete perforated plate, the damping layer is made of metal rubber, the damping effect of the reinforcing device can be effectively improved, and the shock resistance of the prestressed concrete perforated plate is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to prestressed concrete perforated slab reinforcing technical field, especially relate to a reinforcing device of prestressed perforated slab. BACKGROUND

[0002] Prestressed concrete perforated slab is a common component in old buildings, and its mechanical properties, process performance, application range and selection method are clearly required in prestressed concrete perforated slab and other related atlas standards.

[0003] With the continuous improvement of building technology, building materials and other aspects, prestressed concrete perforated slab cannot meet the safety use requirements, according to statistics, in all previous earthquakes, the prestressed concrete perforated slab building with poor construction measures is severely damaged. The prestressed concrete perforated slab mainly has the following disadvantages: short service life, easy water leakage at the joint of prestressed concrete perforated slab, poor connection integrity with the house, poor seismic resistance and the like. INVENTION CONTENTS

[0004] In order to overcome the defects in the prior art, the utility model provides a reinforcing device of prestressed perforated slab. The utility model can effectively be used for supporting and reinforcing prestressed concrete perforated slab.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A reinforcing device of prestressed perforated slab, including a concrete perforated slab horizontally embedded in a wall, the device includes a horizontally arranged composite damping steel plate and a vertically arranged supporting steel plate, the supporting steel plate is fixedly arranged at the bottom of the composite damping steel plate; the side flange of the composite damping steel plate is inserted into the slot of the wall, and the concrete perforated slab is arranged on the composite damping steel plate; the composite damping steel plate is composed of a first steel plate, a damping layer and a second steel plate from top to bottom, and the first steel plate and the second steel plate are connected through a mortise and tenon structure.

[0007] Preferably, the mortise and tenon structure includes a tenon arranged on the bottom of the first steel plate and a mortise embedded on the surface of the second steel plate, the shape of the tenon is matched with the shape of the mortise; the damping layer is filled between the first steel plate and the second steel plate.

[0008] Preferably, the composite damping steel plate and the supporting steel plate form a T-shaped structure, and the side wall of the supporting steel plate is attached to the wall.

[0009] Preferably, the damping layer is metal rubber.

[0010] Preferably, a reinforcing steel plate is connected between the other side flange of the composite damping steel plate and the supporting steel plate.

[0011] Preferably, the reinforcing steel plate is arc-shaped, and the center of the arc of the reinforcing steel plate is away from the composite damping steel plate.

[0012] Preferably, the outer surface of the device is coated with a rust-proof layer.

[0013] Preferably, the first steel plate and the second steel plate are connected through a plurality of mortise and tenon structures, and the damping layer is filled between the plurality of mortise and tenon structures.

[0014] The utility model has the advantages that:

[0015] (1) The utility model discloses a reinforcing device with "T" shaped structure can be effectively used for supporting and reinforcing prestressed concrete perforated slab, and the damping layer is metal rubber, which can effectively improve the damping effect of the reinforcing device and improve the anti-seismic capacity of the prestressed concrete perforated slab.

[0016] (2) The first steel plate and the second steel plate are connected through a mortise and tenon structure, which effectively improves the stability of the composite damping steel plate, and the arc-shaped reinforcing steel plate is connected between the composite damping steel plate and the supporting steel plate, which can dissipate vibration energy when the composite damping steel plate produces plastic deformation, facilitate the composite damping steel plate to return to the original state and further prolong the service life of the device.

[0017] (3) The utility model has the characteristics of simple structure, fast speed, short construction period, economic rationality, strong practicability and convenient use in reinforcing existing old prestressed concrete perforated slab houses. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a schematic view of the utility model installed on a wall.

[0019] Fig. 2 It is a structural schematic view of the utility model.

[0020] Fig. 3 It is a structural schematic view of the composite damping steel plate of the utility model.

[0021] The meanings of the symbols in the drawing are as follows:

[0022] 1-wall, 2-concrete perforated slab, 3-composite damping steel plate, 4-supporting steel plate, 5-reinforcing steel plate, 6-first steel plate, 7-damping layer, 8-second steel plate, 9-mortise, 10-tenon. DETAILED DESCRIPTION

[0023] As Figs. 1-3As shown, a reinforcing device for prestressed perforated slab comprises a transversely arranged composite damping steel plate 3 and a vertically arranged supporting steel plate 4, which are combined into a "T" shaped structure, the top of the composite damping steel plate 3 is used for supporting the concrete perforated slab 2, and one side wall of the supporting steel plate 4 is seamlessly attached to the wall 1, thereby playing a role of supporting and reinforcing the prestressed concrete perforated slab 2.

[0024] Specifically, the composite damping steel plate 3 is sequentially connected from top to bottom by a first steel plate 6, a damping layer 7 and a second steel plate 8, the bottom of the first steel plate 6 is protrusively provided with a plurality of tenons 9, the surface of the second steel plate 8 close to the first steel plate 6 is embedded with a plurality of mortises 10, one tenon 9 corresponds to one mortise 10, and the shapes of the two are matched, facilitating the connection and fixation of the first steel plate 6 and the second steel plate 8.

[0025] Further, the damping layer 7 is filled between the plurality of mortise and tenon structures, and the damping layer 7 is metal rubber, which can improve the damping effect of the reinforcing device.

[0026] Further, the other side flange of the composite damping steel plate 3 is connected and fixed with the supporting steel plate 4 through a reinforcing steel plate 5, and the reinforcing steel plate 5 is arc-shaped, the center of the arc of the reinforcing steel plate 5 is away from the composite damping steel plate 3, when the composite damping steel plate 3 deforms, the arc-shaped reinforcing steel plate 5 produces plastic deformation to dissipate vibration energy, further protecting the device and prolonging the service life of the device. The outer surface of the device is also coated with a rust-proof layer.

[0027] The working process of the device will be described in detail below with reference to the accompanying drawings in the embodiments.

[0028] 1. Remove the original paint layer under the prestressed concrete perforated slab 2 to the base layer of the slab;

[0029] 2. Brush structural adhesive on the bottom of the prestressed concrete perforated slab 2 and paste carbon fiber cloth;

[0030] 3. Dig a groove into the wall at the corner part of the prestressed concrete perforated slab 2 and the wall 1;

[0031] 4. Fill the one side flange of the composite damping steel plate 3 of the device into the wall along the groove, so that the other side flange of the composite damping steel plate 3 tightly abuts against the carbon fiber cloth at the bottom of the slab, and the supporting steel plate 4 tightly abuts against the wall surface;

[0032] 5. Fill the space between the device, the prestressed concrete perforated slab 2 and the wall 1 with dry hard cement mortar.

[0033] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A reinforcement device for prestressed perforated slabs comprising a perforated concrete slab (2) embedded horizontally at one end in a wall (1), characterized in that, The device comprises a horizontally arranged composite damping steel plate (3) and a vertically arranged supporting steel plate (4), the supporting steel plate (4) is fixedly arranged at the bottom of the composite damping steel plate (3); one side flange of the composite damping steel plate (3) is inserted into a slot of the wall body (1), and the concrete porous plate (2) is pressed on the composite damping steel plate (3); the composite damping steel plate (3) is composed of a first steel plate (6), a damping layer (7) and a second steel plate (8) from top to bottom, and the first steel plate (6) and the second steel plate (8) are connected through a mortise and tenon structure.

2. A reinforcement device for a prestressed perforated slab as claimed in claim 1, characterized in that: The mortise and tenon structure comprises a tenon (9) arranged at the bottom of the first steel plate (6) and a mortise (10) embedded on the surface of the second steel plate (8), the shape of the tenon (9) is matched with the shape of the mortise (10); the damping layer (7) is filled between the first steel plate (6) and the second steel plate (8).

3. A reinforcement device for a prestressed perforated slab as claimed in claim 1, characterized in that: The composite damping steel plate (3) and the supporting steel plate (4) form a "T" shaped structure, and one side wall of the supporting steel plate (4) is attached to the wall body (1).

4. A reinforcement device for a prestressed perforated slab as claimed in claim 1 or 2, characterized in that: The damping layer (7) is metal rubber.

5. The reinforcement device for a prestressed perforated slab as claimed in claim 1, wherein: The other side flange of the composite damping steel plate (3) is connected with the supporting steel plate (4) through a reinforcing steel plate (5).

6. A reinforcement device for a prestressed perforated slab as claimed in claim 5, characterized in that: The reinforcing steel plate (5) is arc-shaped, and the center of the arc of the reinforcing steel plate (5) is away from the composite damping steel plate (3).

7. A reinforcement device for a prestressed perforated plate according to claim 1, characterized in that: The outer surface of the device is coated with a rust-proof layer.

8. A reinforcement device for a prestressed perforated slab as claimed in claim 1 or 2, characterized in that: The first steel plate (6) and the second steel plate (8) are connected through a plurality of mortise and tenon structures, and the damping layer (7) is filled between the plurality of mortise and tenon structures.

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