CN214993587U

CN214993587U - Reinforced structure is restoreed in many silt river sluice pier abrasion damage

Info

Publication number: CN214993587U
Application number: CN202120393323.7U
Authority: CN
Inventors: 杨宗仁; 杨凯; 焦小琦; 刘进步; 吕远坤
Original assignee: Shaanxi Institute Of Water Conservancy And Electricity Survey And Design
Current assignee: Shaanxi Institute Of Water Conservancy And Electricity Survey And Design
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-12-03
Anticipated expiration: 2031-02-22

Abstract

The utility model provides a reinforced structure is restoreed in many silt river gate pier abrasion damage, include: the gate pier, the lining steel plate and the grouting layer; the repairing surface of the gate pier is provided with a plurality of anchoring holes, and anchor bolts are arranged in the anchoring holes; the lining and protecting steel plate is laid on the repairing surface of the gate pier and is fixedly connected with the end parts of the anchor bolts; the grouting layer is filled between the lining steel plate and the repairing surface of the gate pier; the outer side surface of the lining protection steel plate is aligned with the design surface of the gate pier, and a grouting groove is formed in the repairing surface of the gate pier. The utility model discloses an crab-bolt protects the steel sheet at gate pier fixed surface lining to repair the reinforcement at the gate pier and protect the grout between the steel sheet with the lining, make whole restoration face become a complete protection armor face, can effectively resist, disperse bed load striking and abrasion.

Description

Reinforced structure is restoreed in many silt river sluice pier abrasion damage

Technical Field

The utility model belongs to the water conservancy facility field, concretely relates to reinforced structure is restoreed in many silt river gate pier abrasion damage.

Background

In a sediment-laden river with main bed load, the sluice gate pier is easily abraded and damaged by frequent impact of the bed load, and the conventional common repairing methods of concrete, epoxy mortar and the like have the problems that a new repairing material is a brittle material, the bonding strength between the new material and the old material is insufficient, a repairing layer is thin and easy to crack, the integrity of a repairing surface is poor, and the sluice gate pier falls off in a sheet mode after impact force or freeze thawing.

Disclosure of Invention

The utility model provides a reinforced structure is restoreed in many silt river gate pier abrasion damage for overcome above-mentioned problem or solve or alleviate above-mentioned problem partially at least.

Therefore, the utility model provides a reinforced structure is restoreed in many silt river gate pier abrasion damage, include:

the repairing surface of the gate pier is provided with a plurality of anchoring holes, and anchor bolts are arranged in the anchoring holes;

the lining protection steel plate is laid on the repairing surface of the gate pier and is fixedly connected with the end parts of the anchor bolts;

the grouting layer is filled between the lining steel plate and the repairing surface of the gate pier;

the outer side surface of the lining protection steel plate is aligned with the design surface of the gate pier, and a grouting groove is formed in the repairing surface of the gate pier.

The utility model discloses a reinforced structure is restoreed in many silt river gate pier abrasion damage still has following optional characteristic.

Optionally, a reinforcing steel plate is further disposed on the inner side of the position where the lining steel plate is connected with the anchor bolt.

Optionally, the lining protects the steel sheet with all be provided with the through-hole on the reinforcing steel sheet, the tip of crab-bolt passes reinforcing steel sheet with the lining protects behind the steel sheet, with lining protects steel sheet welded fastening connection.

Optionally, the grouting grooves are a plurality of transverse grooves and a plurality of vertical grooves which intersect with each other.

Optionally, the crab-bolt includes to wearing dowel and chemical crab-bolt, works as when the anchor hole is the blind hole, the crab-bolt adopts the chemical crab-bolt, works as the anchor hole is for when perforating, the crab-bolt adopts to wearing the dowel.

Optionally, the surface of the lining steel plate is coated with antirust paint.

The utility model discloses a reinforcing structure is restoreed in wearing and tearing of many silt rivers gate pier protects the steel sheet through the crab-bolt at gate pier fixed surface lining to repair the reinforcement at the gate pier and protect between the steel sheet the grout, the lining protects the intensity and the toughness of steel sheet very high, makes whole restoration face become a complete protection armor face, can effectively resist, disperse bed load striking and abrasion.

Drawings

FIG. 1 is a perspective view of the outer surface of the repairing and reinforcing structure for the erosion damage of the gate pier of the silt-laden river of the present invention;

FIG. 2 is a block diagram of FIG. 1 at A-A;

fig. 3 is a schematic view of a partial anchoring structure in fig. 2.

In the above figures: 1, gate piers; 101, grouting a trough; 2, anchoring holes; 3, anchor bolts; 4 lining and protecting a steel plate; 5, grouting a layer; 6 reinforcing steel plate; 7 gate base plate.

Detailed Description

Example 1

Referring to fig. 1, 2 and 3, embodiments of the present invention provide a reinforced structure is repaired in wearing out of silt-rich river gate pier, including: the gate pier comprises a gate pier 1, a lining steel plate 4 and a grouting layer 5; the repairing surface of the gate pier 1 is provided with a plurality of anchoring holes 2, and anchor bolts 3 are arranged in the anchoring holes 2; the lining and protecting steel plate 4 is laid on the repairing surface of the gate pier 1, and the lining and protecting steel plate 4 is fixedly connected with the end parts of the anchor bolts 3; the grouting layer 5 is filled between the lining steel plate 4 and the repairing surface of the gate pier 1; the outer side surface of the lining steel plate 4 is aligned with the design surface of the gate pier 1, and a grouting groove 101 is formed in the repairing surface of the gate pier 1.

In the concrete implementation process, the gate pier 1 is required to be arrangedThe concrete surface of the abraded part to be repaired is chiseled flat and cleaned, the cleaning depth is to ensure that a gap not less than 5mm exists between the installed lining steel plate 4 and the concrete surface, and a grouting groove 101 is chiseled on the concrete adhering surface; after drilling positions of the anchoring holes 2 are drawn on the surface of the gate pier 1, whether the drilling positions interfere with steel bars inside the gate pier 1 or not is ascertained, and drilling and bar planting are carried out after the interference hole positions are properly adjusted; holes are formed in the lining steel plate 4 according to the actual positions of the anchor bolts 3; after the lining protection steel plate 4 and the anchor bolt 3 are firmly connected, cutting off the exposed part of the anchor bolt 3 and the surface of the lining protection steel plate 4 to be flush, and polishing to be smooth; after the lining steel plate 4 is fixed, the periphery is screeded by concrete and sealed by building glue, then 425# cement grout is poured through the grouting groove 101 in sequence, the grouting pressure is not more than 0.15MPa, and the deformation of the steel lining plate is monitored in the grouting process. Five days later, the lining protection steel plate 4 is knocked by a hardwood hammer to check that the maximum void area is less than 0.5 square meter, and if the maximum void area exceeds 0.5 square meter, holes are drilled on the lining protection steel plate 4 for filling; and finally, performing anticorrosion treatment on the protective steel plate 4. Wherein the steel plate material Q235B has yield strength of 235370N/mm²Tensile strength 370N/mm2, elongation 26%.

Example 2

Referring to fig. 1, 2 and 3, on the basis of embodiment 1, a reinforcing steel plate 6 is further disposed on the inner side of the lining steel plate 4 where the anchor bolt 3 is connected.

And (4) forming holes on the lining steel plate 4 according to the actual positions of the anchor bars 3, and welding and repairing a reinforcing steel plate 6 on the back of the holes.

Example 3

Referring to fig. 2 and 3, on the basis of embodiment 1, the lining protection steel plate 4 and the reinforcement steel plate 6 are both provided with through holes, and the end of the anchor bolt 3 is fixedly connected to the lining protection steel plate 4 after passing through the reinforcement steel plate 6 and the lining protection steel plate 4.

And installing the lining protection steel plate 4, and cutting off the exposed part of the anchor bolt 3 and the surface of the lining protection steel plate 4 to be flush and smooth after the lining protection steel plate 4 and the anchor bolt 3 are welded firmly. The lining steel plate 4 and the reinforcing steel plate 6 are welded and connected by adopting a 45-degree single-side V-shaped groove. The lower part of the lining protection steel plate 4 can be flush with the brake bottom plate or can be pressed and protected by 50-100mm from the lower part.

Example 4

Referring to fig. 1, on the basis of embodiment 3, the grouting grooves 101 are a plurality of transverse grooves and a plurality of vertical grooves which intersect with each other.

The concrete surface of the part of the gate pier 1 needing to be adhered with the lining protection steel plate 4 is leveled and cleaned up, the cleaning depth ensures that a gap not smaller than 5mm exists between the installed lining protection steel plate 4 and the concrete surface, the grouting groove 101 is chiseled on the concrete adhering surface, and a plurality of transverse grooves and a plurality of vertical grooves in the grouting groove 101 are of a 'well' shape distribution structure.

Example 5

Referring to fig. 2, on the basis of embodiment 3, anchor bolt 3 includes to wearing dowel and chemical anchor bolt, works as when anchor hole 2 is the blind hole, anchor bolt 3 adopts the chemical anchor bolt, works as anchor hole 2 is for when perforating, anchor bolt 3 adopts to wearing the dowel.

The surface abrasion damage part of the gate pier 1 is repaired and reinforced by sticking a Q235B lining steel plate 4 with the thickness of 12mm, the pier head and the side pier of the gate pier 1 and the thicker middle pier are anchored by adopting an M20 chemical anchor bolt, and the thinner middle pier can also be anchored by adopting a penetrating anchor bar (the diameter of a steel bar is 25mm, and the HRB 400) penetrating through the gate pier 1.

Example 6

Referring to fig. 1, 2 and 3, on the basis of any one of the above embodiments, the surface of the lining steel plate 4 is coated with a rust inhibitive paint.

The upstream surface of the lining steel plate 4 needs to be subjected to anticorrosion treatment, the rust removal grade of the steel surface is Sa2.5, the primer is coated with epoxy zinc-rich paint of 60 mu m, the middle is coated with epoxy mica iron antirust paint of 80 mu m, the finish is coated with epoxy asphalt paint of 200 mu m, and the two sides of the welding line of the construction site are respectively coated with 150mm after welding. Reserving the last finish paint with the thickness of about 100 mu m, and brushing after welding and grinding of the anchor bolt head are finished.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The components and structures of the present embodiments that are not described in detail are well known in the art and do not constitute essential structural elements or elements.

Claims

1. The utility model provides a reinforced structure is restoreed in abrasiveness of silt-laden river gate pier which characterized in that includes:

the gate pier comprises a gate pier (1), wherein a plurality of anchoring holes (2) are formed in the repairing surface of the gate pier (1), and anchor bolts (3) are arranged in the anchoring holes (2);

the lining and protecting steel plate (4) is paved on the repairing surface of the gate pier (1), and the lining and protecting steel plate (4) is fixedly connected with the end parts of the anchor bolts (3);

the grouting layer (5) is filled between the lining protection steel plate (4) and the repairing surface of the gate pier (1);

the outer side surface of the lining protection steel plate (4) is aligned with the design surface of the gate pier (1), and a grouting groove (101) is formed in the repairing surface of the gate pier (1).

2. The abrasive damage repairing and reinforcing structure for the silt-laden river gate pier according to claim 1, wherein a reinforcing steel plate (6) is further arranged on the inner side of the position where the lining and protecting steel plate (4) is connected with the anchor bolt (3).

3. The silt-laden river gate pier abrasive damage repairing and reinforcing structure according to claim 2, wherein the lining protection steel plate (4) and the reinforcing steel plate (6) are provided with through holes, and the end of the anchor bolt (3) penetrates through the reinforcing steel plate (6) and the lining protection steel plate (4) and is fixedly connected with the lining protection steel plate (4) in a welding manner.

4. The silt-laden river gate pier abrasive damage restoration and reinforcement structure of claim 1, wherein the grouting grooves (101) are a plurality of transverse grooves and a plurality of vertical grooves which intersect with each other.

5. The abrasive damage repair reinforcing structure of sediment-laden river gate pier according to claim 1, characterized in that the anchor bolt (3) comprises a through anchor bar and a chemical anchor bolt, when the anchor hole (2) is a blind hole, the anchor bolt (3) adopts a chemical anchor bolt, and when the anchor hole (2) is a through hole, the anchor bolt (3) adopts a through anchor bar.

6. The silt-laden river gate pier abrasive damage restoration and reinforcement structure according to any one of claims 1 to 5, wherein the surface of the lining steel plate (4) is coated with a rust preventive paint.