CN114279815A - Beam end support - Google Patents
Beam end support Download PDFInfo
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- CN114279815A CN114279815A CN202111616028.4A CN202111616028A CN114279815A CN 114279815 A CN114279815 A CN 114279815A CN 202111616028 A CN202111616028 A CN 202111616028A CN 114279815 A CN114279815 A CN 114279815A
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- 239000003351 stiffener Substances 0.000 claims description 59
- 230000002146 bilateral effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 17
- 230000009471 action Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 6
- 238000003825 pressing Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The invention relates to a beam-end support which comprises a first base longitudinal beam and a second base longitudinal beam, wherein the first base longitudinal beam and the second base longitudinal beam are respectively fixed with the ground; a supporting cross beam is fixed on the upper sides of the first base longitudinal beam and the second base longitudinal beam, and a beam end fixing structure for fixing a beam test piece is arranged on the supporting cross beam; the supporting beam is an H-shaped beam and comprises a supporting beam web plate, a supporting beam upper flange and a supporting beam lower flange, the supporting beam web plate is provided with a first oblique stiffening rib and a second oblique stiffening rib, the lower end of the first oblique stiffening rib extends to the part, fixed with the first base longitudinal beam, on the supporting beam lower flange, and the lower end of the second oblique stiffening rib extends to the part, fixed with the second base longitudinal beam, on the supporting beam lower flange; the beam end support can raise the height of the beam test piece, can bear the pressure action of the beam end and the tension action of the beam end, and is simple in structure and reliable in force transmission.
Description
Technical Field
The invention relates to the technical field of building component tests, in particular to a beam test, and particularly relates to a beam end support.
Background
The beam member plays an important role in modern buildings, occupies a great position in the integral engineering structure, and the stress performance of the beam needs to be tested through a structural test. In some structural tests related to beams in the civil engineering field, a beam end support is adopted to support a beam test piece, the beam end support plays a role in supporting the beam, a downward loading test is carried out by directly placing two ends of the beam test piece on the two beam end supports, the beam test piece is directly placed on a bottom plate, such as a beam test support disclosed in a patent document with the publication number of CN2065563634U, and a beam end support for beam test disclosed in a patent document with the publication number of CN 209416633U.
However, in some test occasions, a sufficient test space needs to be reserved below the beam test piece, the beam end support has a lower supporting height for the beam test piece, and the test requirement is difficult to meet.
Disclosure of Invention
The invention aims to provide a beam end support which can lift a beam test piece and has higher supporting strength.
The technical scheme of the beam end support is as follows:
a beam end support comprises a first base longitudinal beam and a second base longitudinal beam, wherein the first base longitudinal beam and the second base longitudinal beam extend in the front-back direction and are arranged in parallel at intervals; a supporting cross beam is fixed on the upper sides of the first base longitudinal beam and the second base longitudinal beam, the supporting cross beam extends along the left-right direction, and two ends of the supporting cross beam are respectively fixed on the first base longitudinal beam and the second base longitudinal beam; the middle part of the supporting beam is provided with a beam end fixing structure for fixing a beam test piece; the supporting beam is an H-shaped beam and comprises a supporting beam web plate and a supporting beam upper flange, the lower end of the first oblique stiffening rib extends to the part of the lower flange of the supporting beam, which is fixed with the second base longitudinal beam, and the lower end of the second oblique stiffening rib extends to the part of the lower flange of the supporting beam, which is fixed with the second base longitudinal beam.
Has the advantages that: the beam end support is fixed on the ground through the ground fixing structure on the first base longitudinal beam and the second base longitudinal beam, the beam test piece is fixed on the supporting cross beam through the beam end fixing structure on the supporting cross beam, so that the height of the beam test piece is increased by utilizing the base longitudinal beam and the supporting cross beam, and when pressure or tension is received, the first oblique stiffening rib and the second oblique stiffening rib on the supporting cross beam can reliably transmit acting force received on the beam end fixing structure to the first base longitudinal beam and the second base longitudinal beam from the supporting cross beam and further to the ground, the beam end support can bear the pressure action of the beam end and can also bear the tension action of the beam end, the structure is simple, the force transmission is reliable, the supporting strength of the beam end support is ensured, and the application range of a structural test related to the beam is expanded.
Furthermore, the front side and the rear side of the web plate of the supporting beam are provided with the first oblique stiffening rib and the second oblique stiffening rib.
Has the advantages that: the oblique stiffening ribs are arranged on the two sides of the web plate of the supporting beam, so that the strength of the supporting beam is improved, and the bearing performance of the supporting beam is better.
Furthermore, horizontal stiffening ribs are arranged on the web plate of the supporting beam, the upper ends of the first oblique stiffening ribs and the second oblique stiffening ribs are fixed with the horizontal stiffening ribs, vertical stiffening ribs are arranged on the upper sides of the horizontal stiffening ribs, and the vertical stiffening ribs and the upper flange of the supporting beam are fixed to support the part, provided with the beam end fixing structure, of the upper flange of the supporting beam.
Has the advantages that: through fixing first slant stiffening rib and second slant stiffening rib on same horizontal stiffening rib to the setting of the vertical stiffening rib of cooperation horizontal stiffening rib upside, can subtract the length of short slant stiffening rib, be favorable to strengthening slant stiffening rib bending resistance, can form good support to the part that is equipped with beam-ends fixed knot structure of supporting the crossbeam web through vertical stiffening rib in addition, be favorable to biography power reliably.
Furthermore, the vertical stiffening ribs comprise a first vertical stiffening rib and a second vertical stiffening rib, the joint of the first vertical stiffening rib and the horizontal stiffening rib and the joint of the first oblique stiffening rib and the horizontal stiffening rib are right opposite up and down, and the joint of the second vertical stiffening rib and the horizontal stiffening rib and the joint of the second oblique stiffening rib and the horizontal stiffening rib are right opposite up and down.
Has the advantages that: the force transmission path is shortened, the force transmission is direct, and the structural strength is favorably improved.
Further, the first diagonal stiffening ribs and the second diagonal stiffening ribs are arranged in bilateral symmetry.
Has the advantages that: the first oblique stiffening rib and the second oblique stiffening rib are stressed in a balanced manner, so that uniform stress is realized, and reliable support is facilitated.
Furthermore, the left end and the right end of the web plate of the supporting beam are respectively provided with an end stiffening rib which extends vertically.
Has the advantages that: the structural strength of the two ends of the supporting cross beam is enhanced through the end stiffening ribs, and the acting force on the supporting cross beam can be transmitted to the bottom longitudinal beam through the end stiffening ribs.
Furthermore, the first base longitudinal beam and the second base longitudinal beam are box-shaped beams, the first base longitudinal beam comprises a first inner side plate, a first outer side plate, a first upper side plate and a first lower side plate, the first inner side plate and the first outer side plate are opposite left and right, and the first upper side plate and the first lower side plate are opposite up and down; the second base longitudinal beam comprises a second inner side plate, a second outer side plate, a second upper side plate and a second lower side plate, the second inner side plate and the second outer side plate are opposite left and right, and the second upper side plate and the second lower side plate are opposite up and down; the position of the first oblique stiffening rib connected with the lower flange of the supporting beam is positioned right above the first inner side plate, and the position of the second oblique stiffening rib connected with the lower flange of the supporting beam is positioned right above the second inner side plate.
Has the advantages that: the position that first slant stiffening rib and first base longeron are connected is in directly over first interior plate, and the position that second slant stiffening rib and second base longeron are connected is in directly over the second interior plate to the interior plate through supporting beam's vertical stiffening rib, horizontal stiffening rib, slant stiffening rib and base longeron forms the main biography power route that is in the centre, makes first interior plate, the second interior plate can more directly bear the effort, is favorable to improving structural strength, guarantees to support reliably.
Furthermore, the left end and the right end of the web plate of the supporting beam are respectively provided with a first end stiffening rib and a second end stiffening rib which extend vertically, the position of the first end stiffening rib connected with the lower flange of the supporting beam is positioned right above the first outer side plate, and the position of the second end stiffening rib connected with the lower flange of the supporting beam is positioned right above the second outer side plate.
Has the advantages that: the auxiliary force transmission paths at the two ends are formed by the end stiffening ribs at the two ends of the supporting cross beam and the outer side plates of the base longitudinal beam, so that the main force transmission path in the middle is matched with the auxiliary force transmission paths at the two ends, and the beam end pulling pressure can be reliably transmitted.
Furthermore, the middle parts of the first upper side plate and the second upper side plate are provided with notches, one end of the lower flange of the supporting beam is embedded into the notch of the first upper side plate, and the other end of the lower flange of the supporting beam is embedded into the notch of the second upper side plate.
Has the advantages that: the supporting cross beam is embedded into the base longitudinal beam through the notch, so that a butt welding seam can be formed between the supporting cross beam and the base longitudinal beam, and the connecting strength is improved.
Furthermore, U-shaped fixing grooves are formed in the first base longitudinal beam and the second base longitudinal beam, foundation bolts penetrate through the U-shaped fixing grooves to fix the first base longitudinal beam and the second base longitudinal beam on the ground, and the U-shaped fixing grooves form a ground fixing structure.
Has the advantages that: through setting up the U-shaped fixed slot, the dress of wearing of convenient processing and the rag bolt of being convenient for, simultaneously, rag bolt fixed position in the U-shaped fixed slot can suitably be adjusted to installation error when adaptation in-service use.
Drawings
FIG. 1 is a front view of an embodiment of a beam-end mount 1 of the present invention;
FIG. 2 is a side view of FIG. 1;
fig. 3 is a top view of fig. 1.
In the figure: 10. a second end stiffener; 11. supporting a beam web; 12. supporting the upper flange of the beam; 13. supporting a lower flange of the beam; 14. a second diagonal stiffener; 15. a first diagonal stiffener; 16. a second vertical stiffener; 17. a first vertical stiffener; 18. a horizontal stiffener; 19. a first end stiffener; 110. bolt holes; 21. a first upper side plate; 22. a first lower side plate; 23. a first outer panel; 24. a first inner side panel; 25. a first U-shaped fixing groove; 31. a second upper side plate; 32. a second lower side plate; 33. a second exterior plate; 34. a second inner side panel; 35. a second U-shaped securing slot.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, which may be present in embodiments of the present invention, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the recitation of "comprising an … …" or the like that may occur does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
In the description of the present invention, unless otherwise specifically stated or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be detachable or non-detachable. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
The present invention will be described in further detail with reference to examples.
Example 1 of beam-end mount of the invention:
as shown in fig. 1, 2 and 3, the beam-end support includes two base longitudinal beams and a supporting cross beam fixed on the two base longitudinal beams in a crossing manner, the two base longitudinal beams are fixed on the ground, and a beam test piece to be subjected to a structural test is fixed on the supporting cross beam so as to bear the beam-end pressure or beam-end tension of the beam test piece through the beam-end support.
The two base longitudinal beams are respectively a first base longitudinal beam and a second base longitudinal beam, and the first base longitudinal beam and the second base longitudinal beam extend in the front-back direction and are arranged in parallel at left and right intervals. The first base longitudinal beam and the second base longitudinal beam are box-shaped beams formed by welding steel plates and are provided with rectangular inner cavities. The first base longitudinal beam comprises a left first inner side plate 24, a right first outer side plate 23, a first upper side plate 21 and a first lower side plate 22 which are opposite, the first inner side plate 24 and the first outer side plate 23, the first upper side plate 21 and the first lower side plate 22 are opposite, a rectangular inner cavity is defined by the first inner side plate 24 and the first outer side plate 23, the first upper side plate 21 and the first lower side plate 22 are opposite, and the first inner side plate 24 and the first outer side plate 23 are located between the first upper side plate 21 and the first lower side plate 22. The second base longitudinal beam comprises a second inner side plate 34 and a second outer side plate 33 which are opposite from each other left and right, and a first upper side plate 21 and a first lower side plate 22 which are opposite from each other up and down, the second inner side plate 34 and the second outer side plate 33, the second upper side plate 31 and the second lower side plate 32 enclose a rectangular inner cavity, and the second inner side plate 34 and the second outer side plate 33 are located between the second upper side plate 31 and the second lower side plate 32.
The front end and the rear end of a first upper side plate 21 and a first lower side plate 22 of the first base longitudinal beam are respectively provided with a first U-shaped fixing groove 25, the two first U-shaped fixing grooves 25 on the front side correspond up and down, the two first U-shaped fixing grooves 25 on the rear side correspond up and down, the front end and the rear end of a second upper side plate 31 and a second lower side plate 32 of the second base longitudinal beam are respectively provided with a second U-shaped fixing groove 35, the two first U-shaped fixing grooves 25 on the front side correspond up and down, and the two first U-shaped fixing grooves 25 on the rear side correspond up and down so as to respectively fix the first base longitudinal beam and the second base longitudinal beam on the ground through four groups of foundation bolts. The surfaces of the first lower side plate 22 and the second lower side plate 32 are in contact with the ground, so that the support is stable, and the fixing positions of the foundation bolts in the U-shaped fixing grooves are adjusted to adapt to installation errors.
The supporting beam extends along the left-right direction and is an H-shaped beam and comprises a supporting beam upper flange 12, a supporting beam lower flange 13 and a supporting beam web 11 located between the supporting beam upper flange 12 and the supporting beam lower flange 13, wherein the middle of the supporting beam upper flange 12 is provided with a plurality of bolt holes 110, and each bolt hole is used for forming a beam end fixing structure of a fixed beam test piece. The first upper side plate 21 of the first base longitudinal beam and the second upper side plate 31 of the second base longitudinal beam are respectively provided with a front section and a rear section, a gap is formed between the front section and the rear section, two ends of the supporting beam lower flange 13 are respectively embedded into the gaps of the first upper side plate 21 and the second upper side plate 31 and are welded and fixed together, and the thickness of the supporting beam lower flange 13 is the same as that of the first upper side plate 21 and that of the second upper side plate 31, and the supporting beam lower flange 13 is positioned on the same plane.
An oblique stiffening rib, a vertical stiffening rib, a horizontal stiffening rib 18 and an end stiffening rib are arranged between the upper flange 12 of the supporting beam and the lower flange 13 of the supporting beam. The oblique stiffening ribs comprise first oblique stiffening ribs 15 and second oblique stiffening ribs 14, the first oblique stiffening ribs 15 and the second oblique stiffening ribs 14 are arranged on the front side and the rear side of the supporting beam web 11, the first oblique stiffening ribs 15 and the second oblique stiffening ribs 14 are arranged in a bilateral symmetry mode, the upper ends of the first oblique stiffening ribs 15 and the upper ends of the second oblique stiffening ribs 14 are close to each other, and the lower ends of the first oblique stiffening ribs 15 and the second oblique stiffening ribs 14 are far away from each other. The lower end of the first diagonal stiffening rib 15 extends to the supporting beam lower flange 13, the lower end of the second diagonal stiffening rib 14 extends to the supporting beam lower flange 13, and the position where the first diagonal stiffening rib 15 is connected to the supporting beam lower flange 13 is directly above the first inner side plate 24, and the position where the second diagonal stiffening rib 14 is connected to the supporting beam lower flange 13 is directly above the second inner side plate 34.
The upper ends of the first oblique stiffening ribs 15 and the second oblique stiffening ribs 14 are fixed on the lower side surfaces of the horizontal stiffening ribs 18, the vertical stiffening ribs comprise first vertical stiffening ribs 17 and second vertical stiffening ribs 16, the lower ends of the first vertical stiffening ribs 17 and the second vertical stiffening ribs 16 are fixed on the upper side surfaces of the horizontal stiffening ribs 18, the upper ends of the first vertical stiffening ribs 17 and the second vertical stiffening ribs 16 are fixed with the upper flange 12 of the supporting beam, the connecting parts of the first vertical stiffening ribs 17 and the horizontal stiffening ribs 18 and the connecting parts of the first oblique stiffening ribs 15 and the horizontal stiffening ribs 18 are right up and down, and the connecting parts of the second vertical stiffening ribs 16 and the horizontal stiffening ribs 18 and the connecting parts of the second oblique stiffening ribs 14 and the horizontal stiffening ribs 18 are right up and down. The vertical stiffeners are used to support the portion of the support beam upper flange 12 where the bolt holes 110 are located.
The end stiffeners include a first end stiffener 19 and a second end stiffener 10 provided at the left and right ends of the support beam, respectively. The first end stiffening rib 19 and the second end stiffening rib 10 both extend vertically, the upper end and the lower end of the first end stiffening rib are fixed with the upper flange 12 and the lower flange 13 of the supporting beam respectively, the position where the first end stiffening rib 19 is connected with the lower flange 13 of the supporting beam is positioned right above the first outer side plate 23, and the position where the second end stiffening rib 10 is connected with the lower flange 13 of the supporting beam is positioned right above the second outer side plate 33.
When a beam test piece structure is tested, a beam test piece is supported through two beam end supports, the beam test piece is placed in the direction perpendicular to a supporting cross beam, the beam end is placed on the supporting cross beam, the beam end is connected with the supporting cross beam through a bolt hole 110, a first base longitudinal beam, a second base longitudinal beam and a ground groove formed in the ground of a test room are connected together through a first U-shaped fixing groove 25 and a second U-shaped fixing groove 35 through foundation bolts, therefore, the stress of the beam end is transmitted to the ground groove through the supporting cross beam, the first base longitudinal beam and the second base longitudinal beam, and the beam end supports can bear the action of tensile pressure;
when the beam end generates pressure, the beam end and the upper flange 12 of the supporting beam are connected together through the bolt holes 110 by bolts, the pressure of the beam end is directly transmitted to the upper flange 12 of the supporting beam and is transmitted to the lower flange 13 of the supporting beam through four vertical stiffening ribs, two horizontal stiffening ribs 18 and four oblique stiffening ribs on two sides of the web 11 of the supporting beam, and then transmitted to the first lower side plate 22 and the second lower side plate 32 along the first inner side plate 24 of the first base longitudinal beam, the first outer side plate 23 and the second inner side plate 34 of the second base longitudinal beam and the second outer side plate 33, and the pressure of the beam end is finally transmitted to the ground groove because the first base longitudinal beam, the second base longitudinal beam and the ground groove are connected together through the ground bolts. In the downward transmission process of beam end pressure, because the lower end of the vertical stiffening rib below the supporting beam upper flange 12 is connected with the upper end of the oblique stiffening rib through the horizontal stiffening rib 18, the lower end of the oblique stiffening rib is connected with the upper end of the inner side plate of the base longitudinal beam through the supporting beam lower flange 13, the lower end of the inner side plate of the base longitudinal beam is directly transmitted to the ground groove through the lower side plate of the base longitudinal beam, the main force transmission path of the visible beam end pressure is clear and direct, and most of the beam end pressure can be reliably transmitted.
The other part of the pressure of the beam end acts on the upper flange 12 of the supporting beam, and is directly transmitted to the lower flange 13 of the supporting beam through four end stiffening ribs on two sides of the web 11 of the supporting beam, and then transmitted to two lower side plates along two outer side plates of two base longitudinal beams, and finally transmitted to a ground trough. In the downward transmission process of the pressure of the beam end, the lower end of the end stiffening rib below the upper flange 12 of the supporting beam is connected with the upper end of the outer side plate of the base longitudinal beam through the lower flange 13 of the supporting beam, and the lower end of the outer side plate of the base longitudinal beam is directly transmitted to the geosyncline through the lower side plate to form an auxiliary force transmission path.
When the beam end generates pulling force, similarly, the main force transmission path and the auxiliary force transmission path are also provided, and the two force transmission paths can accurately and reliably transmit the pulling force of the beam end to the ground groove.
The beam end support is simple in structure, can bear the pressure action of a beam end and the tension action of the beam end through the middle main force transmission path and the auxiliary force transmission paths at two ends, is reliable in force transmission, expands the structural test type related to a beam, and expands the application range of the beam end support.
Example 2 of beam-end mount in the present invention:
the present embodiment is different from embodiment 1 in that each bolt hole in embodiment 1 constitutes a beam-end fixing structure. In this embodiment, the upper flange of the supporting beam is provided with a fixed pressing plate, the fixed pressing plate is connected to the upper flange of the supporting beam through a bolt, and the beam test piece is fixed on the supporting beam through the fixed pressing plate in a pressing and fixing manner.
Example 3 of beam-end mount in the present invention:
the difference between this embodiment and embodiment 1 is that in embodiment 1, the upper ends of the first oblique stiffener and the second oblique stiffener are fixed to the horizontal stiffener, and the vertical stiffener is fixed to the upper side of the horizontal stiffener. In this embodiment, the upper ends of the first and second oblique stiffening ribs are directly fixed to the lower side surface of the upper flange of the supporting beam, and the supporting beam is not provided with the vertical stiffening rib and the horizontal stiffening rib.
Example 4 of beam-end mount in the present invention:
this embodiment differs from embodiment 1 in that there are two vertical stiffeners on one side of the support beam web in embodiment 1. In this embodiment, only one vertical stiffener is disposed in the middle of the horizontal stiffener on one side of the supporting beam web, and in other embodiments, more than three vertical stiffeners may be disposed.
Example 5 of beam-end mount in the present invention:
this embodiment is different from embodiment 1 in that two end stiffeners are provided on the side supporting the beam web in embodiment 1. In the present embodiment, two end stiffeners are respectively disposed at two ends of the supporting beam on one side of the supporting beam web, and in other embodiments, more than three end stiffeners may be respectively disposed at two ends of the supporting beam.
Example 6 of beam-end mount in the present invention:
the difference between this embodiment and embodiment 1 is that in embodiment 1, the first upper side plate and the second upper side plate are divided into two sections, a gap is formed between the two sections, and both ends of the lower flange of the supporting beam are respectively embedded into the gaps of the first upper side plate and the second upper side plate. In this embodiment, the first upper side plate and the second upper side plate are integrated, and the supporting beam is directly fixed to the upper side surface of the first upper side plate.
Example 7 of beam-end mount in the present invention:
the present embodiment is different from embodiment 1 in that the U-shaped fixing groove in embodiment 1 is used for the anchor bolt to pass through to fix the first base longitudinal beam and the second base longitudinal beam on the ground, and the U-shaped fixing groove constitutes the ground fixing structure. In the embodiment, the first lower side plate and the second lower side plate are respectively provided with a long hole, and the base longitudinal beam is fixedly connected with the ground groove on the ground through the long holes by using anchor bolts. In other embodiments, the hoop can be used for fixing the beam test piece on the beam-end support.
Example 8 of beam-end mount in the present invention:
the difference between this embodiment and embodiment 1 is that the first diagonal stiffening rib and the second diagonal stiffening rib are provided on both the front and rear sides of the web of the supporting beam in embodiment 1. In this embodiment, the first diagonal stiffening rib and the second diagonal stiffening rib are disposed only on one side of the supporting beam web.
Example 9 of beam-end mount in the present invention:
the present embodiment is different from embodiment 1 in that the first oblique stiffener and the second oblique stiffener are arranged in bilateral symmetry in embodiment 1. In this embodiment, the first oblique stiffening rib and the second oblique stiffening rib are asymmetric left and right, and the included angle between the first oblique stiffening rib and the horizontal stiffening rib is greater than the included angle between the second oblique stiffening rib and the horizontal stiffening rib.
Example 10 of beam-end mount in the present invention:
the difference between this embodiment and embodiment 1 is that in embodiment 1, the joint of the first vertical stiffener and the horizontal stiffener and the joint of the first oblique stiffener and the horizontal stiffener are vertically opposite, and the joint of the second vertical stiffener and the horizontal stiffener and the joint of the second oblique stiffener and the horizontal stiffener are vertically opposite. In this embodiment, the joint of the first vertical stiffener and the horizontal stiffener, and the joint of the first oblique stiffener and the horizontal stiffener are staggered from top to bottom, and the joint of the second vertical stiffener and the horizontal stiffener, and the joint of the second oblique stiffener and the horizontal stiffener are staggered from top to bottom.
Beam-end mount embodiment 11 of the invention:
the present embodiment is different from embodiment 1 in that the position where the first diagonal stiffening rib is connected to the bottom flange of the supporting beam in embodiment 1 is directly above the first inner side plate, and the position where the second diagonal stiffening rib is connected to the bottom flange of the supporting beam is directly above the second inner side plate. In this embodiment, the position where the first oblique stiffening rib is connected to the bottom flange of the supporting beam is located on the inner side of the first inner side plate, and the position where the second oblique stiffening rib is connected to the bottom flange of the supporting beam is located on the inner side of the second inner side plate.
Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents can be made in the technical solutions described in the foregoing embodiments without inventive effort, or some technical features of the present invention may be substituted with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A beam end support is characterized by comprising a first base longitudinal beam and a second base longitudinal beam, wherein the first base longitudinal beam and the second base longitudinal beam extend in the front-back direction and are arranged in parallel at intervals; a supporting cross beam is fixed on the upper sides of the first base longitudinal beam and the second base longitudinal beam, the supporting cross beam extends along the left-right direction, and two ends of the supporting cross beam are respectively fixed on the first base longitudinal beam and the second base longitudinal beam; the middle part of the supporting beam is provided with a beam end fixing structure for fixing a beam test piece; the supporting beam is an H-shaped beam and comprises a supporting beam web plate and a supporting beam upper flange, the lower end of the first oblique stiffening rib extends to the part of the lower flange of the supporting beam, which is fixed with the second base longitudinal beam, and the lower end of the second oblique stiffening rib extends to the part of the lower flange of the supporting beam, which is fixed with the second base longitudinal beam.
2. The beam-end support of claim 1, wherein the first and second diagonal stiffeners are provided on both the front and rear sides of the support beam web.
3. The beam-end support according to claim 1, wherein the web of the supporting beam is provided with horizontal stiffening ribs, the upper ends of the first and second diagonal stiffening ribs are fixed to the horizontal stiffening ribs, and the upper side of the horizontal stiffening ribs is provided with vertical stiffening ribs fixed to the upper flange of the supporting beam for supporting the portion of the upper flange of the supporting beam provided with the beam-end fixing structure.
4. The beam-end support of claim 3, wherein the vertical stiffeners include a first vertical stiffener and a second vertical stiffener, the junction of the first vertical stiffener and the horizontal stiffener, and the junction of the first diagonal stiffener and the horizontal stiffener facing up and down, and the junction of the second vertical stiffener and the horizontal stiffener, and the junction of the second diagonal stiffener and the horizontal stiffener facing up and down.
5. The beam-end support according to any one of claims 1 to 4, wherein the first diagonal stiffener and the second diagonal stiffener are arranged in bilateral symmetry.
6. A beam-end support according to any one of claims 1 to 4, wherein the left and right ends of the supporting beam web are provided with vertically extending end stiffeners.
7. The beam-end support of any one of claims 1-4, wherein the first base rail and the second base rail are each box beams, the first base rail including a first inner side plate, a first outer side plate, a first upper side plate, a first lower side plate, the first inner side plate being left-right opposite the first outer side plate, the first upper side plate being up-down opposite the first lower side plate; the second base longitudinal beam comprises a second inner side plate, a second outer side plate, a second upper side plate and a second lower side plate, the second inner side plate is opposite to the second outer side plate in the left-right direction, and the second upper side plate is opposite to the second lower side plate in the up-down direction; the position of the first oblique stiffening rib connected with the lower flange of the supporting beam is positioned right above the first inner side plate, and the position of the second oblique stiffening rib connected with the lower flange of the supporting beam is positioned right above the second inner side plate.
8. The beam-end support according to claim 7, wherein the first and second vertically extending end stiffeners are provided at the left and right ends of the web of the support beam, respectively, the first end stiffener being connected to the lower flange of the support beam at a position directly above the first outer panel, and the second end stiffener being connected to the lower flange of the support beam at a position directly above the second outer panel.
9. The beam-end support according to claim 7, wherein the first and second upper side plates each have a notch formed in a central portion thereof, and wherein the lower flange of the support beam has one end inserted into the notch of the first upper side plate and the other end inserted into the notch of the second upper side plate.
10. The beam-end support according to any one of claims 1 to 4, wherein the first and second base longitudinal beams are each provided with a U-shaped fixing groove for a foot bolt to pass through to fix the first and second base longitudinal beams to the ground, the U-shaped fixing grooves constituting a ground fixing structure.
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| CN202111616028.4A CN114279815B (en) | 2021-12-27 | 2021-12-27 | Beam end support |
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| CN202111616028.4A CN114279815B (en) | 2021-12-27 | 2021-12-27 | Beam end support |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401765A (en) * | 2011-11-24 | 2012-04-04 | 清华大学 | Lateral restraining device for load test of steel-structure compression member |
| CN208346976U (en) * | 2018-03-02 | 2019-01-08 | 国核电力规划设计研究院有限公司 | More beam shearing-type accentric support dissipative links |
| CN109655217A (en) * | 2019-02-12 | 2019-04-19 | 天津城建大学 | A kind of beam test beam end support |
| CN210368600U (en) * | 2019-07-01 | 2020-04-21 | 山东省交通规划设计院 | Connecting structure of steel truss bridge beam and longitudinal beam |
| CN113654876A (en) * | 2021-08-27 | 2021-11-16 | 武汉理工大学 | A even force transfer device for compression test |
-
2021
- 2021-12-27 CN CN202111616028.4A patent/CN114279815B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401765A (en) * | 2011-11-24 | 2012-04-04 | 清华大学 | Lateral restraining device for load test of steel-structure compression member |
| CN208346976U (en) * | 2018-03-02 | 2019-01-08 | 国核电力规划设计研究院有限公司 | More beam shearing-type accentric support dissipative links |
| CN109655217A (en) * | 2019-02-12 | 2019-04-19 | 天津城建大学 | A kind of beam test beam end support |
| CN210368600U (en) * | 2019-07-01 | 2020-04-21 | 山东省交通规划设计院 | Connecting structure of steel truss bridge beam and longitudinal beam |
| CN113654876A (en) * | 2021-08-27 | 2021-11-16 | 武汉理工大学 | A even force transfer device for compression test |
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| CN114279815B (en) | 2024-03-12 |
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