CN112942376A - H shaped steel butt joint additional strengthening - Google Patents
H shaped steel butt joint additional strengthening Download PDFInfo
- Publication number
- CN112942376A CN112942376A CN202110194805.4A CN202110194805A CN112942376A CN 112942376 A CN112942376 A CN 112942376A CN 202110194805 A CN202110194805 A CN 202110194805A CN 112942376 A CN112942376 A CN 112942376A
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- Prior art keywords
- shaped steel
- butt joint
- cover plate
- plate
- reinforcing
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 100
- 239000010959 steel Substances 0.000 title claims abstract description 100
- 210000001503 joint Anatomy 0.000 title claims abstract description 45
- 238000005728 strengthening Methods 0.000 title claims abstract description 6
- 238000003466 welding Methods 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 43
- 238000007789 sealing Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The application discloses H shaped steel butt joint additional strengthening, it includes two piece at least butt joint's H shaped steel and fixes the connection cover plate of the junction of two butt joint's H shaped steel, H shaped steel includes the H shaped steel main part and sets up the closure cover plate at the both ends of H shaped steel main part, the H shaped steel main part includes web and two flange boards, seal the closure cover plate with the web with the H type cross-section welding that two flange boards formed, be equipped with the bolt hole on the closure cover plate, two butt joint's H shaped steel pass the butt joint through the bolt seal the closure cover plate and fixed connection together, connection cover plate fixes on the flange board of the junction of two butt joint's H shaped steel, connection cover plate covers the junction of two butt joint's H shaped steel. The joint strength of H shaped steel butt joint department can be strengthened to this application scheme.
Description
Technical Field
The application relates to the field of building foundation pit support, in particular to an H-shaped steel butt joint reinforcing structure.
Background
In order to ensure the safety of the underground structure and the surrounding environment of the foundation pit, protective measures such as supporting and reinforcing are required to be adopted on the side wall and the periphery of the foundation pit. The support beam is a component commonly used in foundation pit engineering, and is one of the most important support structures in a foundation pit support system, and the support beam needs to bear great pressure from the periphery of a foundation pit in practical application. The supporting beam at present comprises H shaped steel usually, and in practical application, to middle and large-scale foundation ditch, need to use after connecting many supporting beams, prior art uses the bolt to pass the mode of end cover board usually to connect, and this kind of connected mode, the shear force of two supporting beam junctions and bolt axial vertical for the bolt bears the shear force great, makes supporting beam easily take place to warp even destroy under the effect of very big foundation ditch pressure.
Disclosure of Invention
The technical scheme that this application provided can multiplicable two steel supporting beam in the intensity of junction, prevents that a supporting beam junction from producing the shearing and destroying.
The application is realized by the following technical scheme: the utility model provides a H shaped steel butt joint additional strengthening, its includes two piece at least butt joint's H shaped steel and fixes the connection cover plate of the junction of two butt joint's H shaped steel, H shaped steel includes the H shaped steel main part and sets up the apron that seals at the both ends of H shaped steel main part, the H shaped steel main part includes web and two flange boards, seal the apron with the web with the H type cross-section welding that two flange boards formed, it is equipped with the bolt hole on the apron to seal, two butt joint's H shaped steel pass the butt joint through the bolt seal the apron and fixed connection together, connection cover plate fixes on the flange board of the junction of two butt joint's H shaped steel, connection cover plate covers the junction of two butt joint's H shaped steel.
As a further improved technical scheme, the connecting cover plate comprises a base plate and a reinforcing plate, wherein the base plate is attached to the flange plate of the H-shaped steel in parallel, the reinforcing plate is vertically arranged on the base plate, and the reinforcing plate is arranged at the axis position of the base plate.
As a further improved technical scheme, a plurality of second reinforcing ribs are arranged at both sides of the reinforcing plate, the second reinforcing ribs are in a right-angled triangle shape, and two mutually perpendicular side edges of the second reinforcing ribs are respectively welded and fixed on the reinforcing plate and the base plate.
As a further improved technical scheme, the width of the connecting cover plate is not larger than that of the flange plate of the H-shaped steel main body, and the connecting cover plate is flatly attached to the flange plate of the H-shaped steel main body.
As a further improved technical scheme, a plurality of rows of second connecting through holes are formed in the substrate of the connecting cover plate, and the second connecting through holes are symmetrically formed in two sides of the reinforcing plate.
As a further improved technical scheme, the H-shaped steel is a steel support beam which is supported or inclined on two side surfaces of the foundation pit.
As a further improved technical scheme, the H-shaped steel is a steel upright post which is vertically arranged in the foundation pit.
As a further improved technical scheme, the H-shaped steel is a steel purlin transversely arranged on the side surface of the foundation pit in an enclosing mode.
The application provides an H shaped steel butt joint additional strengthening, its two butt joint's H shaped steel pass the butt joint through the bolt seal the apron fixed connection together be in simultaneously be fixed with the connection apron on the flange board of the junction of two butt joint's H shaped steel, the connection apron covers the junction of two butt joint's H shaped steel, can bear the shear force that shares the bolt and bear through setting up the connection apron to increase the intensity of the H shaped steel of two butt joints at the junction, prevent that the H shaped steel junction of two butt joints from producing and shearing the destruction.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
Fig. 1 is a perspective view of a connecting cover plate arranged at the end-to-end connection of a steel support beam according to an embodiment of the present invention.
FIG. 2 is a top view of a connecting cover plate arranged at the end-to-end connection of a steel support beam according to an embodiment of the present invention.
Fig. 3 is a perspective view of the connection cover plate of the present application.
Fig. 4 is a perspective view of the connection cover plate connected to the steel upright column in the second embodiment of the present application.
Fig. 5 is a partially enlarged view of a portion a in fig. 4.
In the figure: the structure comprises an H-shaped steel 1, an H-shaped steel body 11, a covering plate 12, a first reinforcing rib 13, a first connecting through hole 14, a connecting cover plate 2, a base plate 21, a reinforcing plate 22, a second reinforcing rib 23 and a second connecting through hole 24.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present application, but are merely examples of apparatus and methods consistent with certain aspects of the present application.
The present application will now be described in further detail with reference to the following detailed description and accompanying drawings:
example one
In this embodiment, the connection cover plate 2 of this application is installed in the end-to-end connection department of two H shaped steel 1, connection cover plate 2 as the reinforcement member of the 1 end-to-end connection department of H shaped steel, prevent that 1 end-to-end connection department of H shaped steel from producing the deformation destruction.
Referring to fig. 1, in this embodiment, a supporting beam reinforcing member for building foundation pit enclosure includes at least two H-shaped steels 1 in butt joint and a connecting cover plate 2 fixed at a joint of the two H-shaped steels 1 in butt joint, where the H-shaped steel 1 includes an H-shaped steel main body 11 and covering plates 12 arranged at two ends of the H-shaped steel main body 11, the two H-shaped steels 1 in butt joint are fixed together by the covering plates 2 in butt joint, the H-shaped steel main body 11 includes a web plate and two flange plates, the connecting cover plate 2 is fixed on the flange plate at the joint of the two H-shaped steels 1 in butt joint, and the connecting cover plate 2 covers the joint of the two H-shaped steels 1 in butt joint.
Referring to fig. 1, the blanking cover plate 2 is welded on an H-shaped cross section formed by a flange plate and a web plate of the H-shaped steel body 11, and a first reinforcing rib plate 13 is arranged between the blanking cover plate 2 and the web plate of the H-shaped steel body 11; two rows of first connecting through holes 14 are formed in the sealing and shielding plate 12, and the first connecting through holes 14 in the sealing and shielding plate 12 are symmetrically distributed on two opposite sides of the web plate of the H-shaped steel main body 11; in the scheme, the cover sealing plates 12 at the head and tail parts of different H-shaped steel 1 are butted and then pass through the first connecting through holes 14 through bolts to be fixed.
Referring to fig. 1 to 3, the connection cover plate 2 includes a base plate 21 and a reinforcing plate 22 perpendicular to the base plate 21, and the reinforcing plate 22 is disposed at an axial position of the base plate 21 of the connection cover plate 2. The reinforcing plate 22 may increase the rigidity of the connection cover 2. Referring to fig. 1 and 3, a plurality of second reinforcing ribs 23 are disposed on both sides of the reinforcing plate 22, the second reinforcing ribs 23 are in a right-angled triangle shape, and two surfaces of the second reinforcing ribs 23 perpendicular to each other are respectively fixed to the reinforcing plate 22 and the base plate 21. In this embodiment, the second reinforcing rib 23 may be fixed to the reinforcing plate 22 and the base plate 21 of the connecting cover 2 by welding, and the second reinforcing rib 23 may reinforce the integrity of the base plate 21 and the reinforcing plate 22. Referring to fig. 1 and 2, the width of the connecting cover plate 2 is smaller than the width of the flange plate of the H-shaped steel body 11, and the connecting cover plate 2 is flatly attached to the flange plate of the H-shaped steel body 11. Referring to fig. 1 and 3, a plurality of rows of second connecting through holes 24 are formed in the substrate 21 of the connecting cover plate 2, and the second connecting through holes 24 are respectively disposed on two sides of the reinforcing plate 22.
In the embodiment shown in fig. 1 to 3, the H-shaped steel is a steel support beam. Specifically, the H-shaped steel is a steel support beam which is supported or inclined on two side faces of the foundation pit, and the plurality of steel support beams are connected through the connecting cover plate 2 so as to meet the requirement of supporting the foundation pits with different lengths and widths.
Example two
Please refer to fig. 4 and 5, which are illustrations of a second embodiment of the present application, and the main difference from the first embodiment is that the connection cover plate 2 is disposed on the steel column. Specifically do, H shaped steel is for erecting the steel stand in the foundation ditch, and a plurality of steel stands are butt joint from top to bottom through connecting cover plate 2 to satisfy the support demand of the foundation ditch of the different degree of depth.
EXAMPLE III
In the third embodiment, the H-shaped steel is a steel purlin which is transversely arranged on the side surface of the foundation pit in an enclosing manner. A plurality of steel purlins are connected in a butt joint mode through the connecting cover plate 2, and therefore enclosure of the side faces of foundation pits with different lengths and widths is achieved.
The above are only specific examples of the present application, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered in the protection scope of the present invention.
Claims (8)
1. The utility model provides a H shaped steel butt joint additional strengthening, its characterized in that includes two piece at least butt joint's H shaped steel and fixes the connection cover plate of the junction of two butt joint's H shaped steel, H shaped steel includes the H shaped steel main part and sets up the cover plate that seals at the both ends of H shaped steel main part, the H shaped steel main part includes web and two flange boards, seal the cover plate with the web with the H type cross-section welding that two flange boards formed, be equipped with the bolt hole on the cover plate that seals, two butt joint's H shaped steel pass the butt joint through the bolt seal the cover plate and fixed connection together, connection cover plate fixes on the flange board of the junction of two butt joint's H shaped steel, connection cover plate covers the junction of two butt joint's H shaped steel.
2. The H-beam butt-joint reinforcing structure as claimed in claim 1, wherein the connecting cover plate comprises a base plate abutting against the flange plate of the H-beam in parallel and a reinforcing plate vertically arranged on the base plate, and the reinforcing plate is arranged at the axial position of the base plate.
3. The butt-joint reinforcing structure for the H-shaped steel according to claim 2, wherein a plurality of second reinforcing ribs are arranged at both sides of the reinforcing plate, the second reinforcing ribs are in a right-angled triangle shape, and two sides perpendicular to each other are respectively welded and fixed on the reinforcing plate and the base plate.
4. The butt joint reinforcing structure for the H-shaped steel as claimed in claim 1, wherein the width of the connecting cover plate is not greater than that of the flange plate of the H-shaped steel body, and the connecting cover plate is flatly attached to the flange plate of the H-shaped steel body.
5. The H-shaped steel butt joint reinforcing structure as claimed in claim 3, wherein a plurality of rows of second connecting through holes are formed in the base plate of the connecting cover plate, and the second connecting through holes are symmetrically arranged on two sides of the reinforcing plate.
6. The H-shaped steel butt joint reinforcing structure as claimed in any one of claims 1 to 5, wherein the H-shaped steel is a steel support beam which is braced or inclined on two side surfaces of a foundation pit.
7. The H-shaped steel butt joint reinforcing structure as claimed in any one of claims 1 to 5, wherein the H-shaped steel is a steel column standing in a foundation pit.
8. The H-shaped steel butt joint reinforcing structure as claimed in any one of claims 1 to 5, wherein the H-shaped steel is a steel purlin transversely arranged around the side surface of the foundation pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110194805.4A CN112942376A (en) | 2021-02-21 | 2021-02-21 | H shaped steel butt joint additional strengthening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110194805.4A CN112942376A (en) | 2021-02-21 | 2021-02-21 | H shaped steel butt joint additional strengthening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112942376A true CN112942376A (en) | 2021-06-11 |
Family
ID=76245023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110194805.4A Pending CN112942376A (en) | 2021-02-21 | 2021-02-21 | H shaped steel butt joint additional strengthening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112942376A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1621678A1 (en) * | 2004-07-28 | 2006-02-01 | Hanyou Corporation Co., Ltd. | Screw jack for structures for easily adjusting its angle |
| CN203361166U (en) * | 2013-07-11 | 2013-12-25 | 东通岩土科技（杭州）有限公司 | Supporting beam for building foundation pit support |
| CN204311458U (en) * | 2014-10-31 | 2015-05-06 | 上海市政交通设计研究院有限公司 | A kind of well construction foundation ditch sizing bracing members |
-
2021
- 2021-02-21 CN CN202110194805.4A patent/CN112942376A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1621678A1 (en) * | 2004-07-28 | 2006-02-01 | Hanyou Corporation Co., Ltd. | Screw jack for structures for easily adjusting its angle |
| CN203361166U (en) * | 2013-07-11 | 2013-12-25 | 东通岩土科技（杭州）有限公司 | Supporting beam for building foundation pit support |
| CN204311458U (en) * | 2014-10-31 | 2015-05-06 | 上海市政交通设计研究院有限公司 | A kind of well construction foundation ditch sizing bracing members |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210611 |
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| RJ01 | Rejection of invention patent application after publication |