AU2021101985A4

AU2021101985A4 - Cantilever construction method for railway high-pier simply-supported-beam sound barrier foundation

Info

Publication number: AU2021101985A4
Application number: AU2021101985A
Authority: AU
Inventors: Jinshan SUN; Jufa Xi; Xiangping Zhang; Xin Zhang
Original assignee: Jianghan University; China Railway 18th Bureau Group Co Ltd
Current assignee: Jianghan University; China Railway 18th Bureau Group Co Ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-08-12
Anticipated expiration: 2029-04-16

Abstract

OF THE DISCLOSURE Disclosed in the present invention is a cantilever construction method for a railway high pier simply-supported-beam sound barrier foundation. The method includes the following steps: evenly placing I-steel on a beam face in a direction perpendicular to a line direction, fixing the I-steel to serve as a cantilever, placing a steel pipe on the I-steel in the line direction to serve as a support point for suspending a form, suspending and reinforcing the form, and then carrying out reinforcing steel bar binding and concrete pouring construction. The present invention has a simple structure, easy construction and low cost; not only can the labor intensity of workers be reduced, but also the labor amount is reduced; the structure is safe and reliable with low risk; the problem of high-pier form erection can be effectively solved, and a large number of materials are saved; and the workers conduct construction operations on a bridge floor, such that up-and-down cross operation is avoided, and construction is safer. 1 1/2 Drawings: 16 234 5 Fig. 1

Description

1/2

Drawings:

16 234 5

Fig. 1

CANTILEVER CONSTRUCTION METHOD FOR RAILWAY HIGH-PIER SIMPLY SUPPORTED-BEAM SOUND BARRIER FOUNDATION BACKGROUND OF THE INVENTION

[0001] 1. Technical Field

[0002] The present invention relates to the field of construction engineering construction, in particular to a cantilever construction method for a railway high-pier simply-supported-beam sound barrier foundation.

[0003] 2. Description of Related Art

[0004] In railway construction, a T-beam to be provided with a sound barrier is designed, however, due to inconvenient transportation and beam erection, a sound barrier foundation cannot be constructed in a beam field, and can only be constructed on site after the T-beam is erected. However, as partial piers are as high as 20 m or above, the construction difficulty lies in erection of forms.

BRIEF SUMMARY OF THE INVENTION

[0005] The objective of the present invention is to provide a cantilever construction method for a railway high-pier simply-supported-beam sound barrier foundation so as to solve the problems in the background art.

[0006] In order to achieve the above object, the present invention provides the following technical solution:

[0007] A cantilever construction method for a railway high-pier simply-supported-beam sound barrier foundation includes the following steps:

[0008] 1) when a sound barrier beam is manufactured, embedding a U-shaped reinforcing steel bar with a downward opening along a center line of a T-beam in advance;

[0009] 2) evenly placing I-steel on a beam face in a direction perpendicular to a line direction, and inserting one end of the I-steel into the U-shaped reinforcing steel bar and wedging the one end of the I-steel by means of a wooden wedge;

[0010] 3) spot welding four steel pipes on the I-steel or fixing the four steel pipes on the I-steel by using iron wires, wherein every two steel pipes form a group;

[0011] 4) arranging battens at a back of a form to serve as reinforcing ribs, wherein the form is bamboo plywood, and a distance between the battens is 1 m;

[0012] 5) suspending and fixing the form by using a suspension rod; and

[0013] 6) after reinforcement of the form is checked to be correct, starting to bind the reinforcing steel bar and pour concrete to form a foundation.

[0014] As a further solution of the present invention: the U-shaped reinforcing steel bar is made of p 20 twisted steel, a distance between the U-shaped reinforcing steel bar is 1 m, and an orifice height is 18 cm.

[0015] As a further solution of the present invention: the I-steel is116 I-steel.

[0016] As a further solution of the present invention: a distance between two steel pipes in each group is 3 cm, a centering distance between two groups of steel pipes is 50 cm, and the steel pipes are p 48 common steel pipes.

[0017] As a further solution of the present invention: the suspension rod is made of p 20 twisted steel, a distance between the suspension rods in the line direction is 1.5 m, and a distance between two suspension rods in the direction perpendicular to the line direction is 50 cm; and an upper end of the suspension rod is fixed on the steel pipe by means of a buckle, a lower end of the suspension rod is fixed on the batten at the bottom of the form by means of a buckle, or directly fixed on the bottom of the form with a steel base plate of 10cm * 10cm, and the buckle is a screwed buckle.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. the present invention has a simple structure, easy construction and low cost;

[0020] 2. not only can the labor intensity of workers be reduced, but also the labor amount is reduced;

[0021] 3. the structure is safe and reliable with low risk;

[0022] 4. the problem of high-pier form erection can be effectively solved, and a large number of materials are saved; and

[0023] 5. the workers conduct construction operations on a bridge floor, such that up-and-down cross operation is avoided, and construction is safer.

BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS

[0024] In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the accompanying drawings required in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention, and a person of ordinary skill in the art can still derive other drawings according to these accompanying drawings without creative efforts.

[0025] Fig. 1 is a schematic diagram of erection of a sound barrier foundation form.

[0026] Fig. 2 is a schematic diagram of a pouring completion effect of a sound barrier foundation.

[0027] In the figures: 1 - U-shaped reinforcing steel bar; 2 - I-steel; 3 - steel pipe; 4 - suspension rod; 5 - buckle; 6 - wooden wedge; 7 - form; 8 - batten.

DETAILED DESCRIPTION OF THE INVENTION

[0028] To make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0029] The technical solutions of embodiments of the present invention will be described below clearly and comprehensively in conjunction with accompanying drawings of the embodiments of the present invention. Apparently, the embodiments described are merely some of, rather than all of, the embodiments of the present invention. Based on the embodiments of the present invention, various other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present invention.

[0030] In the embodiment of the present invention, a cantilever construction method for a railway high-pier simply-supported-beam sound barrier foundation includes the following steps:

[0031] 1) as shown in Fig. 1, when a sound barrier beam is manufactured, embedding a U shaped reinforcing steel bar 1 with a downward opening along a center line of a T-beam in advance, wherein a distance therebetween is 1 m, an orifice height is 18 cm, and the U-shaped reinforcing steel bar 1 is made of p 20 twisted steel;

[0032] 2) as shown in Fig. 1, evenly placing I-steel 2 on a beam face in a direction perpendicular to a line direction, and inserting one end of the I-steel into the U-shaped reinforcing steel bar 1 and wedging the one end of the I-steel by means of a wooden wedge 6, wherein the I-steel 2 is 116 I-steel;

[0033] 3) as shown in Fig. 1, spot welding four steel pipes 3 on the I-steel 2 or fixing the four steel pipes on the I-steel 2 by using iron wires, wherein every two steel pipes form a group, a distance between two steel pipes 3 in each group is 3 cm, a centering distance between two groups of steel pipes 3 is 50 cm, and the steel pipes 3 are p 48 common steel pipes;

[0034] 4) as shown in Fig. 1, arranging battens 8 at a back of a form 7 to serve as reinforcing ribs to enhance the rigidity of the form 7, wherein a distance between the battens 8 is 1 m, and the form 7 is bamboo plywood;

[0035] 5) as shown in Fig. 1, suspending and fixing the form 7 by using a suspension rod 4, wherein the suspension rod 4 is made of p 20 twisted steel, a distance between the suspension rods 4 in the line direction is 1.5 m, and a distance between two suspension rods 4 in the direction perpendicular to the line direction is 50 cm; and an upper end of the suspension rod 4 is fixed on the steel pipe 3 by means of a buckle 5, a lower end of the suspension rod is fixed on the batten 8 at the bottom of the form 7 by means of a buckle 5, or directly fixed on the bottom of the form 7 with a steel base plate of 10cm * 10cm, and the buckle 5 is a screwed buckle; and

[0036] 6) as shown in Fig. 2, after reinforcement of the form 7 is checked to be correct, starting to bind the reinforcing steel bar and pour concrete to form a foundation.

[0037] Standard parts used in the present invention may be purchased from the market, special shaped parts may be customized according to the description and the records of the accompanying drawings, mature conventional means, for example, bolts, rivets and welding in the prior art are used for specific connection modes of all the parts, machines, parts and apparatuses are all of conventional models in the prior art, and in addition, the circuit connection uses a conventional connection mode in the prior art, which is not detailed here.

[0038] It should be understood that although the present description is described in terms of the implementation, not every implementation includes only one separate technical solution, and such a description mode of the description is merely for the sake of clarity. A person skilled in the art should take the description as a whole, and the technical solutions in all the embodiments may be appropriately combined to form other implementations that can be understood by a person skilled in the art.

Claims

What is claimed is:

1. A cantilever construction method for a railway high-pier simply-supported-beam sound barrier foundation, characterized in that it comprises the following steps: 1) when a sound barrier beam is manufactured, embedding a U-shaped reinforcing steel bar (1) with a downward opening along a center line of a T-beam in advance; 2) evenly placing I-steel (2) on a beam face in a direction perpendicular to a line direction, inserting one end of the I-steel into the U-shaped reinforcing steel bar (1) and wedging the one end of the I-steel by means of a wooden wedge (6); 3) spot welding four steel pipes (3) on the I-steel (2) or fixing the four steel pipes on the I steel (2) by using iron wires, wherein every two steel pipes form a group; 4) arranging battens (8) at a back of a form (7) to serve as reinforcing ribs, wherein the form (7) is bamboo plywood, and a distance between the battens (8) is 1 m; 5) suspending and fixing the form (7) by using a suspension rod (4); and 6) after reinforcement of the form (7) is checked to be correct, starting to bind the reinforcing steel bar and pour concrete to form a foundation.

2. The cantilever construction method for the railway high-pier simply-supported-beam sound barrier foundation according to claim 1, characterized in that the U-shaped reinforcing steel bar (1) is made ofp 20 twisted steel, a distance between the U-shaped reinforcing steel bar (1) is 1 m, and an orifice height is 18 cm.

3. The cantilever construction method for the railway high-pier simply-supported-beam sound barrier foundation according to claim 1, characterized in that the I-steel (2) is116 I-steel.

4. The cantilever construction method for the railway high-pier simply-supported-beam sound barrier foundation according to claim 1, characterized in that a distance between two steel pipes (3) in each group is 3 cm, a centering distance between two groups of steel pipes (3) is 50 cm, and the steel pipes (3) are p 48 common steel pipes.

5. The cantilever construction method for the railway high-pier simply-supported-beam sound barrier foundation according to claim 1, characterized in that the suspension rod (4) is made of p 20 twisted steel, a distance between the suspension rods (4) in the line direction is 1.5 m, and a distance between two suspension rods (4) in the direction perpendicular to the line direction is 50 cm.