CN112031165A - Multi-spliced and combined I-steel lengthening method - Google Patents
Multi-spliced and combined I-steel lengthening method Download PDFInfo
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- CN112031165A CN112031165A CN202010834308.1A CN202010834308A CN112031165A CN 112031165 A CN112031165 A CN 112031165A CN 202010834308 A CN202010834308 A CN 202010834308A CN 112031165 A CN112031165 A CN 112031165A
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- steel
- connecting plate
- plate
- fixing holes
- stiffening
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 108
- 239000010959 steel Substances 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000003466 welding Methods 0.000 claims abstract description 15
- 238000004080 punching Methods 0.000 claims abstract description 4
- 239000003351 stiffener Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 6
- 210000001503 joint Anatomy 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000007792 addition Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2415—Brackets, gussets, joining plates
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2418—Details of bolting
Abstract
The application discloses a multi-splicing and multi-combination I-steel lengthening method, which comprises the following steps: covering a connecting plate at the end part of the I-shaped steel, and welding, wherein the area of the cross section of the connecting plate is larger than that of the cross section of the I-shaped steel; punching a hole on the connecting plate to form a fixing hole, wherein the fixing hole is positioned on the connecting plate of which the connecting plate exceeds the end face of the I-shaped steel; and welding a stiffening plate, wherein the stiffening plate is connected with the I-shaped steel side waist and the connecting plate. The invention has the beneficial effects that: the multi-splicing and combination I-steel lengthening method provided by the invention enables the I-steel to be combined and lengthened more easily, is simple and convenient to operate, and ensures the connection quality of the I-steel because the butt joint between the flat plates (connecting plates) is carried out when the I-steel is lengthened. The connection between the I-beams realized by the multi-splicing and multi-combination I-beam lengthening method is detachable, so that the connected I-beams can be detached and recombined again according to construction requirements, the raw material cost is saved, and the connection quality can be ensured.
Description
Technical Field
The application relates to the field of constructional engineering, in particular to a multi-spliced and combined I-shaped steel lengthening method.
Background
As a common support structure form, the large-diameter steel pipe support has the characteristics of large span, strong practicability, high safety and the like, and is widely applied to the field of bridges. The foundation of the oversized and ultra-wide double-spliced combined I-shaped steel transfer beam is numerous. In the construction process, the width of the bracket and the length of the I-steel bearing beam are changed along with the unequal width of the bridge, the I-steel bearing beam needs to be lengthened according to the actual width of the bracket, two sections of I-steel are generally fully welded in the traditional method, and a steel plate is connected at the waist height of the I-steel in an assisting mode to ensure the welding quality.
Disclosure of Invention
The main purpose of this application is to the not enough among the prior art, provides a long method of piecing together more, combination I-steel.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention provides a multi-splicing and combined I-steel lengthening method, which comprises the following steps:
(1) covering a connecting plate at the end part of the I-shaped steel, and welding, wherein the area of the cross section of the connecting plate is larger than that of the cross section of the I-shaped steel;
(2) punching a hole on the connecting plate to form a fixing hole, wherein the fixing hole is positioned on the connecting plate of which the connecting plate exceeds the end face of the I-shaped steel;
(3) and welding a stiffening plate, wherein the stiffening plate is connected with the I-shaped steel side waist and the connecting plate.
The end part of the I-steel is covered with a welding connecting plate, the area of the cross section of the connecting plate is larger than that of the cross section of the I-steel, and a fixing hole is formed in the connecting plate, which exceeds the end face of the I-steel, so that the length of the I-steel can be designed according to the requirements of a construction site in the construction process. The method comprises the following steps of butting one ends of two I-beams with connecting plates, penetrating fixing devices (such as bolts) through fixing holes to realize combination lengthening of the I-beams, and unscrewing the fixing devices to disassemble the I-beams arranged in a combination manner when disassembling; the method is simple and convenient to operate, the two sections of I-shaped steel do not need to be fully welded to realize the lengthening, and the connection quality of the two sections of I-shaped steel is also ensured.
The stiffening plate is arranged to connect the side waist of the I-steel and the connecting plate, so that the connecting plate and the I-steel are further fixed.
As a preferred embodiment, in the step (1), the thickness of the connecting plate is 1-2cm, and the central axis of the connecting plate coincides with the central axis of the i-beam.
As a preferred embodiment, the width of the connecting plate beyond the end face of the i-beam is 5-15cm, and preferably, the connecting plate is a steel plate.
The width of the connecting plate beyond the end face of the I-steel refers to the distance between the edge of the connecting plate and the I-steel.
As a preferred embodiment, the connecting plate is a square plate or a circular plate; the fixing holes are uniformly distributed on the connecting plate, the distance between every two adjacent fixing holes is 3-8cm, and preferably, the distance between every two adjacent fixing holes is the shortest distance between the edges of every two adjacent fixing holes.
Because the central axis of the connecting plate coincides with the central axis of the I-shaped steel, when the connecting plate is a square plate or a circular plate, the connecting plates around the I-shaped steel are in an evenly distributed state.
As a preferred embodiment, the connecting plate is a rectangular plate or an elliptical plate, and preferably, a plane extending along the long side or the long axis direction of the connecting plate is symmetrical with respect to a plane where the side waist of the i-steel is located.
As a preferred embodiment, the fixing holes are uniformly distributed on the connecting plate, the distance between two adjacent fixing holes is 3-8cm, preferably, the distance between two adjacent fixing holes is the shortest distance between the edges of two adjacent fixing holes, and more preferably, the fixing holes on the surface of the connecting plate symmetrical to the surface where the side waist of the i-steel is located are distributed in an S shape.
When the connecting plate is a rectangular plate or an elliptical plate, the surfaces extending along the long edge or long axis direction of the connecting plate are symmetrical relative to the surface where the side waist of the I-shaped steel is located, and in order to enable the connection between two spliced I-shaped steels to be firmer, the fixing holes in the surfaces of the connecting plate, which are symmetrical relative to the surface where the side waist of the I-shaped steel is located, are distributed in an S shape.
As a preferred embodiment, in step (3), the stiffening plate includes two perpendicular sides, one direct side of the two perpendicular sides is fixedly connected to the side waist of the i-steel, and the other right-angle side of the two perpendicular sides is fixedly connected to the connecting plate; preferably, the number of the stiffening plates is a plurality, and the stiffening plates are uniformly arranged.
As a preferred embodiment, the stiffening plate is a right-angled triangular plate, a square plate or a rectangular plate.
As a preferred embodiment, the thickness of the stiffening plate is 1-2cm, and preferably the thickness of the stiffening plate is 1.5 cm.
Compared with the prior art, the invention has the beneficial effects that: the multi-splicing and combination I-steel lengthening method provided by the invention enables the I-steel to be combined and lengthened more easily, is simple and convenient to operate, and ensures the connection quality of the I-steel because the butt joint between the flat plates (connecting plates) is carried out when the I-steel is lengthened.
The connection between the I-beams realized by the multi-splicing and multi-combination I-beam lengthening method is detachable, so that the connected I-beams can be detached and recombined again according to construction requirements, the raw material cost is saved, and the connection quality can be ensured.
Drawings
FIG. 1 is a schematic structural diagram of an I-beam according to embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of the rectangular connecting plate according to the present invention;
in the figure: 1. i-shaped steel; 2. a connecting plate; 3. a fixing hole; 4. and (4) a stiffening plate.
Detailed Description
In order to make the technical solutions in the embodiments of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to examples, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The invention relates to a multi-splicing and combined I-steel lengthening method, which comprises the following steps:
(1) the end part of the I-shaped steel 1 covers the connecting plate 2 and is welded, and the area of the cross section of the connecting plate 2 is larger than that of the cross section of the I-shaped steel 1;
(2) punching a hole on the connecting plate 2 to form a fixing hole 3, wherein the fixing hole 3 is positioned on the connecting plate 2 of the connecting plate 2 beyond the end face of the I-shaped steel 1;
(3) and welding a stiffening plate 4, wherein the stiffening plate 4 is connected with the side waist of the I-steel 1 and the connecting plate 2.
A connecting plate 2 is welded at the end part of an I-steel 1, the cross section area of the connecting plate 2 is larger than that of the I-steel 1, a fixing hole 3 is drilled at the position, exceeding the end face of the I-steel 1, of the connecting plate 2, in the construction process, the connecting plates 2 of the two I-steels 1 are in butt joint, a bolt penetrates through the fixing hole 3 to realize connection of the I-steels 1, and if the length of the I-steel 1 needs to be changed, the connecting plates can be detached and recombined to adjust the length of the I-steel 1.
As a preferred embodiment, the thickness of the connecting plate 2 may be 1cm, 1.5cm or 2cm, in order to enable the connecting plate 2 to have a good connecting function and have a certain supporting force, the central axis of the connecting plate 2 coincides with the central axis of the i-beam 1, the width of the connecting plate 2 beyond the end face of the i-beam 1 may be 5cm, 8cm, 10cm, 12cm or 15cm, and the connecting plate 2 is a steel plate.
Connecting plate 2 can be square plate, circular slab, rectangular plate or elliptical plate, and two connecting plates 2 of being convenient for are fixed, and guarantee fixed fastness, and fixed orifices 3 evenly distributed can be 3cm, 5cm, 6cm or 8cm on connecting plate 2, and the distance between two adjacent fixed orifices 3 can be the shortest distance between two adjacent fixed orifices 3 edges.
When the connecting plate 2 is a rectangular plate or an elliptical plate, in order to ensure the connection quality of the two I-beams 1, the surfaces extending along the long edge or long axis direction of the connecting plate 2 are symmetrical about the surface where the side waist of the I-beam 1 is located, and the fixing holes 3 on the surfaces of the connecting plate 2 which are symmetrical about the surface where the side waist of the I-beam 1 is located are distributed in an S shape.
The stiffening plate 4 connecting the side waist of the I-steel 1 and the connecting plate 2 plays a role in further fixing the connection of the I-steel 1 and the connecting plate 2. As a preferred embodiment, the stiffening plate 4 includes two perpendicular sides, one direct side of the two perpendicular sides is fixedly connected to the side waist of the i-steel 1, and the other right-angle side of the two perpendicular sides is fixedly connected to the connecting plate 2; preferably, the number of the stiffening plates 4 is several, and the plurality of stiffening plates 4 are uniformly arranged; the stiffening plate 4 can be a right-angled triangular plate, a square plate or a rectangular plate, and the thickness of the stiffening plate 4 can be 1cm, 1.5cm or 2 cm.
Example 1
A multi-splicing and combined I-steel lengthening method comprises the following steps:
(1) covering a connecting plate 2 with the thickness of 1cm at the end part of the I-steel 1, and welding, wherein the central axis of the connecting plate 2 is coincided with the central axis of the I-steel 1, the area of the cross section of the connecting plate 2 is larger than that of the cross section of the I-steel 1, and the width of the connecting plate 2 exceeding the end face of the I-steel 1 is 5 cm;
(2) in the embodiment, the connecting plate 2 is a square steel plate, the connecting plate 2 is perforated to form fixing holes 3, the fixing holes 3 are uniformly distributed on the connecting plate 2, which exceeds the end face of the i-steel 1, the distance between every two adjacent fixing holes 3 is 3cm, and the distance between every two adjacent fixing holes 3 is the shortest distance between the edges of every two adjacent fixing holes 3;
(3) welding a stiffening plate 4, wherein the stiffening plate 4 is connected with the side waist of the I-shaped steel 1 and the connecting plate 2, the stiffening plate 4 is a right-angle triangular plate, one right-angle edge of the stiffening plate 4 is fixedly connected with the side waist of the I-shaped steel 1, and the other right-angle edge is fixedly connected with the connecting plate 2; the number of the stiffening plates 4 is a plurality, and the stiffening plates 4 are uniformly arranged; as a preferred embodiment, the thickness of the stiffener plate 4 may be 1 cm.
Example 2
A multi-splicing and combined I-steel lengthening method comprises the following steps:
(1) covering a connecting plate 2 with the thickness of 1.5cm at the end part of the I-steel 1, and welding, wherein the central axis of the connecting plate 2 is coincided with the central axis of the I-steel 1, the area of the cross section of the connecting plate 2 is larger than that of the cross section of the I-steel 1, and the width of the connecting plate 2 exceeding the end face of the I-steel 1 is 10 cm;
(2) in the embodiment, the connecting plate 2 is a rectangular steel plate, the surface extending along the long side direction of the connecting plate 2 is symmetrical with respect to the surface where the side waist of the i-beam 1 is located, the connecting plate 2 is perforated to form fixing holes 3, the fixing holes 3 are uniformly distributed on the connecting plate 2, which exceeds the end surface of the i-beam 1, the distance between every two adjacent fixing holes 3 is 5cm, and here, the distance between every two adjacent fixing holes 3 is the shortest distance between the edges of every two adjacent fixing holes 3; and the fixing holes 3 on the symmetrical surface of the connecting plate 2 relative to the surface of the side waist of the I-shaped steel 1 are distributed in an S shape.
(3) Welding a stiffening plate 4, wherein the stiffening plate 4 is connected with the side waist of the I-steel 1 and the connecting plate 2, the stiffening plate 4 is a square plate, one right-angle edge of the stiffening plate 4 forming the same right angle is fixedly connected with the side waist of the I-steel 1, and the other right-angle edge is fixedly connected with the connecting plate 2; the number of the stiffening plates 4 is a plurality, and the stiffening plates 4 are uniformly arranged; as a preferred embodiment, the thickness of the stiffener plate 4 may be 1.5 cm.
Example 3
A multi-splicing and combined I-steel lengthening method comprises the following steps:
(1) covering a connecting plate 2 with the thickness of 2cm at the end part of the I-steel 1, and welding, wherein the central axis of the connecting plate 2 coincides with the central axis of the I-steel 1, the area of the cross section of the connecting plate 2 is larger than that of the cross section of the I-steel 1, and the width of the connecting plate 2 exceeding the end face of the I-steel 1 is 15 cm;
(2) in the embodiment, the connecting plate 2 is a circular steel plate, the connecting plate 2 is perforated to form fixing holes 3, the fixing holes 3 are uniformly distributed on the connecting plate 2, which exceeds the end face of the i-steel 1, the distance between every two adjacent fixing holes 3 is 8cm, and the distance between every two adjacent fixing holes 3 is the shortest distance between the edges of every two adjacent fixing holes 3;
(3) welding a stiffening plate 4, wherein the stiffening plate 4 is connected with the side waist of the I-shaped steel 1 and the connecting plate 2, the stiffening plate 4 is a right-angle triangular plate, one right-angle edge of the stiffening plate 4 is fixedly connected with the side waist of the I-shaped steel 1, and the other right-angle edge is fixedly connected with the connecting plate 2; the number of the stiffening plates 4 is a plurality, and the stiffening plates 4 are uniformly arranged; as a preferred embodiment, the thickness of the stiffening plate 4 may be 2 cm.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and additions can be made without departing from the method of the present invention, and these modifications and additions should also be regarded as the protection scope of the present invention.
Claims (9)
1. A multi-splicing and combined I-steel lengthening method is characterized by comprising the following steps:
(1) covering a connecting plate at the end part of the I-shaped steel, and welding, wherein the area of the cross section of the connecting plate is larger than that of the cross section of the I-shaped steel;
(2) punching a hole on the connecting plate to form a fixing hole, wherein the fixing hole is positioned on the connecting plate of which the connecting plate exceeds the end face of the I-shaped steel;
(3) and welding a stiffening plate, wherein the stiffening plate is connected with the I-shaped steel side waist and the connecting plate.
2. The multi-splicing and combination I-steel lengthening method according to claim 1, wherein in the step (1), the thickness of the connecting plate is 1-2cm, and the central axis of the connecting plate coincides with the central axis of the I-steel.
3. A method for lengthening a multi-split combined i-steel according to claim 2, wherein the width of the connecting plate beyond the end face of the i-steel is 5-15cm, and preferably the connecting plate is a steel plate.
4. A multi-split combined i-steel lengthening method according to claim 3, wherein preferably, the connecting plates are square plates or circular plates; the fixing holes are uniformly distributed on the connecting plate, the distance between every two adjacent fixing holes is 3-8cm, and preferably, the distance between every two adjacent fixing holes is the shortest distance between the edges of every two adjacent fixing holes.
5. A method according to claim 3, wherein the connecting plates are rectangular or elliptical, preferably, the plane extending along the long side or long axis of the connecting plates is symmetrical with respect to the plane of the side waist of the i-steel.
6. A multi-splicing and combination I-steel lengthening method according to claim 5, wherein the fixing holes are uniformly distributed on the connecting plate, the distance between two adjacent fixing holes is 3-8cm, preferably, the distance between two adjacent fixing holes is the shortest distance between the edges of two adjacent fixing holes, and more preferably, the fixing holes on the surface of the connecting plate symmetrical to the surface of the I-steel side waist are distributed in an S shape.
7. The multi-splicing and combination I-steel lengthening method according to claim 1, wherein in the step (3), the stiffening plate comprises two perpendicular edges, one right-angle edge of the two perpendicular edges is fixedly connected with the I-steel side waist, and the other right-angle edge of the two perpendicular edges is fixedly connected with the connecting plate; preferably, the number of the stiffening plates is a plurality, and the stiffening plates are uniformly arranged.
8. The method of claim 7, wherein the stiffener is a rectangular triangular plate, a square plate or a rectangular plate.
9. A method according to claim 8, wherein the thickness of the stiffening plate is 1-2cm, preferably 1.5 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010834308.1A CN112031165A (en) | 2020-08-18 | 2020-08-18 | Multi-spliced and combined I-steel lengthening method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010834308.1A CN112031165A (en) | 2020-08-18 | 2020-08-18 | Multi-spliced and combined I-steel lengthening method |
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| CN112031165A true CN112031165A (en) | 2020-12-04 |
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| CN202010834308.1A Pending CN112031165A (en) | 2020-08-18 | 2020-08-18 | Multi-spliced and combined I-steel lengthening method |
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| CN208395826U (en) * | 2018-04-19 | 2019-01-18 | 江苏建宇建设集团有限公司 | Foundation pit wall surface bracing reinforcement connection structure |
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| CN111021533A (en) * | 2019-12-13 | 2020-04-17 | 北京津西赛博思建筑设计有限公司 | Coupling assembling and steel construction assembled beam column connected node |
| CN211172382U (en) * | 2019-11-19 | 2020-08-04 | 广东中烨建筑钢构有限公司 | Steel beam connecting joint |
| CN211257307U (en) * | 2019-11-19 | 2020-08-14 | 广东中烨建筑钢构有限公司 | Beam column connecting node |
| CN212715348U (en) * | 2020-08-18 | 2021-03-16 | 中交路桥建设有限公司 | I-steel convenient to piece together more, make up |
-
2020
- 2020-08-18 CN CN202010834308.1A patent/CN112031165A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070073022A (en) * | 2006-01-03 | 2007-07-10 | (주)엠씨에스공법 | Concrete mold for slab and construction method of slab using the same |
| CN203878780U (en) * | 2014-06-05 | 2014-10-15 | 杨红燕 | Connecting joint of cylindrical rib penetrating type steel pipe concrete column and steel beam |
| CN208395826U (en) * | 2018-04-19 | 2019-01-18 | 江苏建宇建设集团有限公司 | Foundation pit wall surface bracing reinforcement connection structure |
| CN208575405U (en) * | 2018-08-15 | 2019-03-05 | 伯纳激光科技有限公司 | It is cut by laser platform main beam structure |
| CN211172382U (en) * | 2019-11-19 | 2020-08-04 | 广东中烨建筑钢构有限公司 | Steel beam connecting joint |
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| CN212715348U (en) * | 2020-08-18 | 2021-03-16 | 中交路桥建设有限公司 | I-steel convenient to piece together more, make up |
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