CN114775463A - Rapid reinforcing device and method for bridge pier after transverse damage - Google Patents

Abstract

The present application relates to a rapid reinforcement device and method after a bridge pier is damaged laterally, comprising: two hoops and a transverse connecting piece, the inner diameter of the hoop is larger than the outer diameter of the pier, and when the hoop is sleeved on the pier, the hoop A space for irrigating high-strength grouting material is formed between the hoop and the bridge pier; the two ends of the transverse connector are respectively connected to the two hoops. The invention adopts the hoop, the transverse connecting piece and the high-strength grouting material to complete the rapid reinforcement of the bridge pier after the lateral damage. The bearing capacity of the foundation has little impact; the newly added components can be processed in the factory and installed on site, and the structure is light, so the damaged piers can be quickly reinforced, the development of diseases is suppressed, and the economic cost is effectively reduced.

Description

A kind of rapid reinforcement device and method after bridge pier is damaged laterally

technical field

The present application relates to the technical field of bridge engineering, and in particular, to a device and method for rapid reinforcement after lateral damage of a bridge pier.

Background technique

In the existing bridge structure, the multi-column pier is a common type of bridge substructure. It has the advantages of less concrete consumption, space saving, lower foundation load, and low cost. At the same time, it has the disadvantage of low horizontal force. The bridge is located on a soft soil foundation. When the surrounding environment of the bridge changes, the piers are easily damaged laterally. Some piers are also damaged laterally by external accidental loads (cars, rocks, earthquakes, etc.). In the event of a safety accident of bridge collapse, the existing technology often uses concrete structure transversely connecting piers as reinforcement devices, which has disadvantages such as heavy structure, long construction period and poor economic benefits, which are not conducive to solving the problem in time.

SUMMARY OF THE INVENTION

Embodiments of the present application provide a rapid reinforcement device and method after a bridge pier is laterally damaged, so as to solve the problem of using a concrete structure transversely connecting a pier column as a reinforcement device, which has a heavy structure and increases economic costs.

In order to achieve the above purpose, the present invention provides the following technical solution: a rapid reinforcement device after the lateral damage of a bridge pier, which comprises: two hoops and a transverse connecting piece, the inner diameter of the hoops is larger than the outer diameter of the pier, and when the When the hoop is sleeved on the pier, a space for irrigating high-strength grouting material is formed between the hoop and the pier; the two ends of the transverse connecting piece are respectively connected to the two hoops.

In some embodiments, the hoop includes two reinforcing members and a plurality of first connecting members, one end of the two reinforcing members is detachably connected by a part of the first connecting members, and the other end is detachably connected by the remaining first connecting members.

In some embodiments, the first connector includes a bolt and a nut disposed on the bolt.

In some embodiments, the reinforcing member includes: a connecting plate, a stiffening plate and two vertical plates; the two vertical plates are respectively connected to both sides of the end of the connecting plate; the stiffening plate is connected to the connecting plate and the vertical plate. between the boards.

In some embodiments, the connecting plate is a semi-circular ring structure.

A rapid reinforcement method after a bridge pier is laterally damaged, comprising: providing two hoops, the inner diameter of which is larger than the outer diameter of the pier; installing the two hoops on the two piers respectively; passing the two hoops through The transverse connectors are connected, and the transverse connectors are in a horizontal state; the high-strength grouting material is irrigated in the space formed between the hoop and the bridge pier.

In some embodiments, when installing the transverse connector, the space formed between the hoop and the bridge pier is adjusted, and the axis of the hoop and the axis of the bridge pier are on the same vertical line.

In some embodiments, when two hoops are respectively installed on two bridge piers, the hoops include two reinforcements and a plurality of first connectors, and one end of the two reinforcements is detachable through a part of the first connectors. connected, and the other end is detachably connected through the remaining first connecting piece.

In some embodiments, the mounting height of the hoop on the bridge pier is the same, and the diameter of the hoop is 10 cm larger than the diameter of the bridge pier.

In some embodiments, when irrigating the high-strength grouting material, the method further includes: adding a swelling agent to the high-strength grouting material.

The beneficial effects brought by the technical solution provided by this application include:

The embodiment of the present application provides a rapid reinforcement device and method for a bridge pier after lateral damage. The rapid reinforcement of a bridge pier after lateral damage can be completed by using a hoop, a transverse connector and a high-strength grouting material. The newly added hoop, The transverse connectors and high-strength grouting materials are small in size and light in weight, and the increased load has little effect on the bearing capacity of the foundation; the new components can be processed in the factory and installed on site, and the structure is light, so the damaged bridge pier can be quickly repaired. Reinforcement is carried out to inhibit the development of diseases and effectively reduce the economic cost.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the drawings that are used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

1 is a schematic structural diagram of a lateral reinforcement device for a bridge pier provided in an embodiment of the present application;

2 is a schematic diagram of a front structure of a reinforcement member provided in an embodiment of the present application;

FIG. 3 is a schematic top-view cross-sectional structural diagram of a hoop provided by an embodiment of the present application.

In the figure: 1. Hoop; 10. Reinforcing member; 11. Connecting plate; 12. Vertical plate; 13. Stiffening plate; 14. First connecting piece;

2. Horizontal connectors;

3. High-strength grouting material.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

Referring to FIG. 1 to FIG. 3 , an embodiment of the present application provides a rapid reinforcement device after a bridge pier is laterally damaged, which includes: two hoops 1 and a transverse connector 2 , the inner diameter of the hoops 1 is larger than the outer diameter of the bridge pier, and When the hoop 1 is sleeved on the pier, a space for irrigating the high-strength grouting material 3 is formed between the hoop 1 and the pier;

The fast reinforcement of the bridge pier after the lateral damage can be completed by using the hoop 1, the transverse connector 2 and the high-strength grouting material 3. The newly added hoop 1, the transverse connector 2 and the high-strength grouting material 3 are small in size and light in weight, so The increased load has little effect on the bearing capacity of the foundation; the newly added components can be processed in the factory and installed on site, and the structure is light, so the damaged piers can be quickly reinforced, the development of diseases is suppressed, and the economic cost is effectively reduced.

In the prior art, concrete structures are used to connect the piers and columns horizontally. During construction, the concrete is irrigated around the piers, which requires a lot of concrete, resulting in a bulky reinforcement device, which is time-consuming and labor-intensive to operate and increases economic costs.

Both the hoop 1 and the horizontal connector 2 of the device are made of steel structure, which can be processed in the factory. The construction site only needs to connect the horizontal connector 2 to the hoop 1, and the construction is fast. After testing, from the steel structure processing to the installation is completed. The time taken will not exceed two days, and the high-strength grouting material 3 filled in the gap between the hoop 1 and the pier can reach its strength within one day.

The hoop 1 includes two reinforcing members 10 and several first connecting members 14. One end of the two reinforcing members 10 is detachably connected by a part of the first connecting members 14, and the other end is detachably connected by the remaining first connecting members 14. The first connection The piece 14 includes a bolt and a nut disposed on the bolt.

The structure is connected by the first connecting piece 14, which is easy to disassemble, and the disassembled device can be reused and used on other bridge piers, which can effectively reduce the economic cost.

The reinforcing member 10 includes: a connecting plate 11, two vertical plates 12 and a stiffening plate 13; the two vertical plates 12 are respectively connected to both sides of the end of the connecting plate 11; the stiffening plate 13 is connected to the connecting plate 11 and the vertical plate 12 between.

The connecting plate 11 is made of steel plate rolled into a semi-circular structure, and its diameter is 10cm larger than the diameter of the bridge pier; the vertical plate 12 is provided with bolt holes, which are 2-5mm larger than the diameter of the bolt. At the end of the connecting plate 11, the vertical center of the circle; the stiffening plate 13 is connected between the connecting plate 11 and the vertical plate 12, and the number of the stiffening plates 13 can be adjusted according to engineering needs.

A rapid reinforcement method after a bridge pier is laterally damaged, comprising: providing two hoops 1, the inner diameter of the hoops 1 being larger than the outer diameter of the pier; installing the two hoops 1 on the two piers respectively; The hoop 1 is connected by the transverse connector 2, and the transverse connector 2 is in a horizontal state; the high-strength grouting material 3 is irrigated in the irrigation space formed between the hoop 1 and the bridge pier.

Welding the horizontal connector 2 and the hoop 1 first, and then pouring the high-strength grouting material 3, can reduce the machining accuracy requirements of the horizontal connector 2. When installing the horizontal connector 2, fine-tune the horizontal gap between the hoop 1 and the bridge pier. The axis of the hoop 1 and the axis of the pier are on the same vertical line, so as to ensure that the new structure does not generate additional stress on the pier.

When the hoop 1 is installed, the two reinforcements 10 are set on the pier, and the first connecting piece 14 is used to connect them into a whole. The volume of the hoop 1 and the transverse connector 2 is small, and the materials are less, and the high-strength grouting material 3 used to fix the hoop 1 and the pier is less, and the increased load has little effect on the bearing capacity of the foundation.

When the two hoops 1 are respectively installed on the two bridge piers, the hoops 1 include two reinforcements 10 and a plurality of first connectors 14. One end of the two reinforcements 10 is detachably connected by a part of the first connectors 14, and the other is detachably connected. One end is detachably connected through the remaining first connecting piece 14 .

The structure is connected by the first connecting piece 14, which is easy to disassemble, and the disassembled device can be reused and used on other bridge piers, which can effectively reduce the economic cost.

The installation height of the hoop 1 on the bridge pier is the same. The hoop 1 between different piers is connected by the transverse connector 2, so that multiple piers can be connected horizontally as a whole. In the irrigation space of the grouting material 3, when irrigating the high-strength grouting material 3, the method further includes: adding an expansion agent into the high-strength grouting material 3.

The invention can also be used to reinforce bridge piers with insufficient lateral bearing capacity.

In the description of this application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the application and simplifying the description, Rather than indicating or implying that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation on the application. Unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply Any such actual relationship or sequence exists between these entities or operations. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

The above descriptions are only specific embodiments of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, this application is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims (10)

1. The utility model provides a quick reinforcing apparatus after pier transversely impaired which characterized in that, it includes:

the inner diameter of each hoop (1) is larger than the outer diameter of the pier, and when the hoops (1) are sleeved on the piers, a space for irrigating the high-strength grouting material (3) is formed between the hoops (1) and the piers;

and two ends of the transverse connecting piece (2) are respectively connected to the two hoops (1).

2. The rapid reinforcing device for the bridge pier after being transversely damaged according to claim 1, wherein: the hoop (1) comprises two reinforcing members (10) and a plurality of first connecting pieces (14), one ends of the two reinforcing members (10) are detachably connected through one part of the first connecting pieces (14), and the other ends of the two reinforcing members are detachably connected through the rest of the first connecting pieces (14).

3. The rapid reinforcing device for the bridge pier after being transversely damaged according to claim 2, wherein: the first connecting piece (14) comprises a bolt and a nut arranged on the bolt.

4. The rapid reinforcing device for the bridge pier after being transversely damaged according to claim 2, wherein: the reinforcement (10) comprises:

a connecting plate (11);

two vertical plates (12) which are respectively connected to two sides of the end part of the connecting plate (11);

and the stiffening plate (13) is connected between the connecting plate (11) and the vertical plate (12).

5. The rapid reinforcing device for the bridge pier after transverse damage according to claim 4, wherein: the connecting plate (11) is of a semicircular ring structure.

6. A rapid reinforcing method for a bridge pier after transverse damage is characterized by comprising the following steps:

providing two anchor ears (1), wherein the inner diameter of each anchor ear (1) is larger than the outer diameter of each pier;

installing two anchor ears (1) on two piers respectively;

connecting the two anchor ears (1) through the transverse connecting piece (2), and enabling the transverse connecting piece (2) to be in a horizontal state;

and (3) irrigating high-strength grouting material in the space formed between the anchor ear (1) and the pier.

7. The method for rapidly reinforcing the bridge pier after being transversely damaged according to claim 6, wherein: when the transverse connecting piece (2) is installed, the space formed between the hoop (1) and the bridge pier is adjusted, and the axle center of the hoop (1) and the axle center of the bridge pier are positioned on the same vertical line.

8. The method for rapidly reinforcing the bridge pier after being transversely damaged according to claim 6, wherein: when installing two staple bolts (1) respectively on two piers, staple bolt (1) includes two reinforcement (10) and a plurality of first connecting piece (14), two reinforcement (10) one end can be dismantled through partly first connecting piece (14) and connect, and the other end can be dismantled through remaining first connecting piece (14) and connect.

9. The method for rapidly reinforcing the bridge pier after being transversely damaged according to claim 6, wherein: the installation height of the anchor ear (1) on the pier is consistent, and the diameter of the anchor ear (1) is 10cm larger than that of the pier.

10. The rapid reinforcing method for the bridge pier after being transversely damaged according to claim 6, wherein: when the high-strength grouting material (3) is irrigated, the method further comprises the following steps: adding an expanding agent into the high-strength grouting material (3).

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