CN211172695U - Corrugated angle steel - Google Patents
Corrugated angle steel Download PDFInfo
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- CN211172695U CN211172695U CN201921387996.0U CN201921387996U CN211172695U CN 211172695 U CN211172695 U CN 211172695U CN 201921387996 U CN201921387996 U CN 201921387996U CN 211172695 U CN211172695 U CN 211172695U
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Abstract
The utility model provides a ripple angle steel, this ripple angle steel includes: the first steel plate limb is distributed with at least one first corrugated part along the width direction; the second steel plate limb is distributed with at least one second corrugated part along the width direction, and the side edge of one length direction of the first steel plate limb is fixedly connected with the side edge of one length direction of the second steel plate limb; at least one end sealing plate arranged at the end part of the first steel plate limb; and one side edge of the end sealing plate is connected to the first steel plate limb, and the other side edge of the end sealing plate is connected to the second steel plate limb. Through the utility model discloses, the relatively poor technical problem of atress performance of the atress component among the assembled steel construction building system that prior art exists has been alleviated.
Description
Technical Field
The utility model relates to a building element's technical field especially relates to a ripple angle steel.
Background
The building produced by making the room units or components to the specifications of the building components of a uniform standard and then transporting the room units or components to the construction site and assembling them in place is called a fabricated steel structural building system. The assembled steel structure building system has the characteristics of light building weight, energy conservation, environmental protection, high construction speed, high industrialization degree and the like, and can improve the labor productivity of building construction and the quality of building products.
The stressed member in the assembly type steel structure building system is an important component in the assembly type steel structure building system, and has great influence on the construction speed, the assembly type degree and the safety performance of the structure.
At present, steel structural section steels are generally adopted as stressed members in an assembly type steel structural building system, and mainly comprise hot-rolled I-shaped steels, hot-rolled H-shaped steels, welded H-shaped steels, hot-rolled square steel pipes, welded box beams and channel steels. However, in practice, the technical problem of poor stress performance exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a ripple angle steel to alleviate the relatively poor technical problem of atress performance of the atress component among the assembled steel construction building system that prior art exists.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a ripple angle steel, include: the first steel plate limb is distributed with at least one first corrugated part along the width direction; the second steel plate limb is distributed with at least one second corrugated part along the width direction, and the side edge of one length direction of the first steel plate limb is fixedly connected with the side edge of one length direction of the second steel plate limb; at least one end sealing plate arranged at the end part of the first steel plate limb; and one side edge of the end sealing plate is connected to the first steel plate limb, and the other side edge of the end sealing plate is connected to the second steel plate limb.
In a preferred embodiment, the number of the first corrugated parts in the first steel plate limb is multiple, and the first corrugated parts are sequentially connected end to end; the number of the second corrugated parts of the second steel plate limb is multiple, and the second corrugated parts are sequentially connected end to end.
In a preferred embodiment, a cross section of the first corrugated portion perpendicular to the length direction of the first steel plate limb includes a top side, a first straight side, a bottom side and a second straight side which are connected end to end in sequence, and/or a cross section of the second corrugated portion perpendicular to the length direction of the second steel plate limb includes a top side, a first straight side, a bottom side and a second straight side which are connected end to end in sequence.
In a preferred embodiment, the top edge and the bottom edge are parallel to each other, and the first straight edge and the second straight edge are perpendicular to the bottom edge.
In a preferred embodiment, the top edge and the bottom edge are parallel to each other; and the included angle between the first straight edge and the bottom edge and the included angle between the second straight edge and the bottom edge are both obtuse angles, or the included angle between the first straight edge and the bottom edge and the included angle between the second straight edge and the bottom edge are both acute angles.
In a preferred embodiment, the junction of the top edge and the first straight edge, the junction of the first straight edge and the bottom edge, and the junction of the bottom edge and the second straight edge all adopt circular arc transition; and the joint of two adjacent first corrugated parts adopts circular arc transition, and/or the joint of two adjacent second corrugated parts adopts circular arc transition.
In a preferred embodiment, the shape of the first corrugation is a periodic sine wave and/or the shape of the second corrugation is a periodic sine wave.
In a preferred embodiment, the first steel plate limb and the second steel plate limb are connected by welding.
In a preferred embodiment, the end closure plates are generally triangular in shape.
In a preferred embodiment, the side of the end closure plate which is attached to the first steel plate limb engages with at least one first corrugation on the first steel plate limb; the end sealing plate is connected to the side edge of the second steel plate limb and is meshed with at least one second corrugated part on the second steel plate limb.
In a preferred embodiment, the angle iron comprises two end sealing plates, and the two end sealing plates are respectively fixed at two ends of the first steel plate limb.
In a preferred embodiment, the angle iron comprises at least one pretensioning member, the two ends of which are connected to the end closure plates at the two ends, respectively.
In a preferred embodiment, the end sealing plate is provided with a component hole; the corrugated angle steel comprises an anchorage device arranged on the outer end face of the end sealing plate, and the pre-tensioning member penetrates through the member hole and is fixedly connected with the anchorage device.
In a preferred embodiment, the pretensioning member is a pretensioning cable.
In a preferred embodiment, the angle iron comprises at least one rib, two sides of which are connected to the first and second steel plate limbs, respectively.
In a preferred embodiment, the ribs are shaped the same as the end closure plates.
The utility model discloses a characteristics and advantage are: through first corrugated portion, make first steel sheet limb form unsmooth undulation's shape in its thickness direction, when bearing its length direction's effort, make the distribution of this effort on the working face of perpendicular to its self length direction more disperse, reduced stress concentration, be favorable to improving the out-of-plane stability ability. Through the second corrugated part, the second steel plate limb forms a concave-convex shape in the thickness direction, and when bearing the acting force in the length direction, the distribution of the acting force on the acting surface vertical to the length direction of the second steel plate limb is more dispersed, so that the stress concentration is reduced, and the stability outside the plane is favorably improved. First steel sheet limb links together with the second steel sheet limb, makes the utility model provides a corrugated angle steel has better resistance to compression bearing capacity and anti off-plate deformability, has improved anti bucking bearing capacity and fatigue strength to mechanical properties has been improved.
Use the utility model provides a when the assembled steel structure building system is built to corrugated angle steel, first corrugated portion or second corrugated portion can form the interlock structure with the component of concatenation mutually, and at the common atress of concatenation position, be favorable to improving the holistic atress performance of assembled steel structure building system and structural stability. The end sealing plate can strengthen the connection strength between the first steel plate limb and the second steel plate limb. When a plurality of these ripple angle steel end to end, can make the end shrouding of a ripple angle steel and the end shrouding of another ripple angle steel paste mutually and fixed connection, come transmission pulling force or pressure through the end shrouding, increased hookup location's atress area, can effectively improve bearing capacity.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a corrugated angle steel provided by the present invention;
fig. 2 is an exploded schematic view of the corrugated angle iron provided by the present invention;
fig. 3 is a schematic connection diagram of a first steel plate limb and a second steel plate limb in the corrugated angle steel provided by the present invention;
fig. 4 is a schematic view of a first embodiment of a first corrugated portion or a second corrugated portion in the corrugated angle steel provided by the present invention;
fig. 5 is a schematic view of a second embodiment of a first corrugated portion or a second corrugated portion in the corrugated angle steel provided by the present invention;
fig. 6 is a schematic view of a third embodiment of a first corrugated portion or a second corrugated portion in a corrugated angle steel provided by the present invention;
fig. 7 is a schematic view of a fourth embodiment of the first corrugated portion or the second corrugated portion in the corrugated angle steel provided by the present invention;
fig. 8 is a schematic view of a fifth embodiment of the first corrugated portion or the second corrugated portion in the corrugated angle steel provided by the present invention;
fig. 9 is a schematic view of a sixth embodiment of a first corrugated portion or a second corrugated portion in a corrugated angle steel provided by the present invention;
fig. 10 is a schematic view of a seventh embodiment of a first corrugated portion or a second corrugated portion in a corrugated angle steel provided by the present invention;
fig. 11 is a top view of the corrugated angle steel provided by the present invention;
fig. 12 is an explosion diagram of the end-to-end connection of the corrugated angle steel provided by the present invention.
The reference numbers illustrate: 10. a first steel plate limb; 11. a first corrugated portion; 12. a first direction; 20. a second steel plate limb; 21. a second corrugated portion; 22. a second direction; 31. a first straight side; 32. a second straight side; 33. a top edge; 34. A bottom edge; 35. a first groove; 40. a second groove; 50. an end sealing plate; 51. a component hole; 60. a pre-tensioning member; 61. An anchorage device; 62. a prestressed stay cable; 70. a rib plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the utility model provides a corrugated angle steel, include: the steel plate comprises a first steel plate limb 10, a second steel plate limb 20 and at least one end sealing plate 50 arranged at the end part of the first steel plate limb 10, wherein one length-direction side edge of the first steel plate limb 10 is fixedly connected with one length-direction side edge of the second steel plate limb 20; the end closure plate 50 is attached on one side to the first steel plate limb 10 and on the other side to the second steel plate limb 20. Referring to fig. 2 and 3, at least one first corrugated portion 11 is distributed along the width direction of the first steel plate limb 10, and the first steel plate limb 10 is formed into a concave-convex shape in the thickness direction thereof through the first corrugated portion 11, so that when bearing the acting force in the length direction thereof, the acting force is distributed more dispersedly on the acting surface perpendicular to the length direction thereof, thereby reducing stress concentration and facilitating improvement of out-of-plane stability. The second steel plate limb 20 is distributed with at least one second corrugated part 21 along the width direction, and the second steel plate limb 20 is enabled to form a concave-convex shape in the thickness direction through the second corrugated part 21, so that the distribution of the acting force on the acting surface vertical to the length direction of the second steel plate limb is more dispersed when the acting force in the length direction is borne, the stress concentration is reduced, and the stability outside the plane is favorably improved. First steel sheet limb 10 links together with second steel sheet limb 20, makes the utility model provides a corrugated angle steel has better resistance to compression bearing capacity and anti off-plate deformability, has improved anti bucking bearing capacity and fatigue strength, has improved mechanical properties.
Use the utility model provides a when the assembled steel structure building system is built to corrugated angle steel, first corrugated portion 11 or second corrugated portion 21 can form the interlock structure with the component of concatenation mutually, and at the common atress of concatenation position, be favorable to improving the holistic atress performance of assembled steel structure building system and structural stability. The end closure plate 50 may enhance the strength of the connection between the first and second steel plate limbs 10, 20. When a plurality of this ripple angle steel end to end, can make the end shrouding 50 of a ripple angle steel laminate mutually and fixed connection with the end shrouding 50 of another ripple angle steel, transmit pulling force or pressure through end shrouding 50, increased hookup location's atress area, can effectively improve bearing capacity.
Specifically, the number of the first corrugations 11 in the first steel plate limb 10 may be one or more; when the number of the first corrugations 11 in the first steel plate limb 10 is plural, the shapes and sizes of the respective first corrugations 11 may be the same or different.
The number of the second corrugations 21 in the second steel plate limb 20 may be one or more; when the number of the second corrugations 21 in the second steel plate limb 20 is plural, the shapes and sizes of the respective second corrugations 21 may be the same or different.
The number of the first corrugations 11 and the number of the second corrugations 21 may be equal or may not be equal; in one of the utility model provides a corrugated angle steel, first corrugated portion 11 compares with second corrugated portion 21, and shape and size can be the same, also can not be the same.
As shown in FIG. 2, the first steel plate limb 10 has a width dimension L1A width-wise dimension L corresponding to the second steel plate limb 202In one embodiment of the present invention, L1＝L2When subjected to a lengthwise force, the force is more evenly distributed to the first and second steel plate limbs 10, 20.
As shown in FIG. 2, the first steel plate limb 10 has a longitudinal dimension L3A length L corresponding to the length of the second steel plate limb 204May or may not be equal L is preferred3＝L4And both ends of the first steel plate limb 10 are flush with both ends of the second steel plate limb 20, respectively.
When the corrugated angle steel is manufactured, the first steel plate limb 10 and the second steel plate limb 20 can be manufactured and molded respectively, and then the first steel plate limb and the second steel plate limb are connected together in a welding mode, so that the difficulty of processing and manufacturing is reduced.
In order to make the force distribution in each position in the first steel plate limb 10 more uniform, the first steel plate limb 10 comprises a plurality of first corrugations 11 which are all the same in shape and size, and as shown in fig. 3, the first corrugations 11 are connected end to end in sequence. In order to make the force distribution in the second steel plate limb 20 more uniform in all positions, the second steel plate limb 20 comprises a plurality of second corrugations 21 which are all the same in shape and size, and as shown in fig. 3, the second corrugations 21 are connected end to end in sequence.
The width direction of the first steel plate limb 10 is taken as the first direction 12 and the individual first corrugations 11 are distributed along the first direction 12, the width direction of the second steel plate limb 20 is taken as the second direction 22 and the individual second corrugations 21 are distributed along the second direction 22, the angle between the first direction 12 and the second direction 22 is taken as β, and 0 ° < β <180 °, preferably β is 90 °.
The inventor finds that: the first corrugated parts 11 with different shapes can lead the distribution of the acting force on the first steel plate limb 10 to present different characteristics; the differently shaped second corrugations 21 provide a different distribution of forces on the second steel plate limb 20. Therefore, in order to further improve the stress characteristic of the corrugated angle steel provided by the present invention, the following improvements are made to the shapes of the first corrugated portion 11 and the second corrugated portion 21:
in an embodiment of the present invention, as shown in fig. 4 to 9, the first corrugated portion 11 includes a top side 33, a first straight side 31, a bottom side 34, and a second straight side 32 connected end to end in sequence, the first straight side 31 and the second straight side 32 are both located on the same side of the bottom side 34, and on this side, the first straight side 31, the bottom side 34, and the second straight side 32 surround to form a first groove 35 with an opening; the top edge 33 and the bottom edge 34 are located on either side of the first straight edge 31. When a plurality of first corrugations 11 are connected end to end, the second straight edge 32 of a preceding first corrugation 11 of two adjacent first corrugations 11 is connected to the top edge 33 of a succeeding first corrugation 11.
And/or the second corrugated portion 21 comprises a top edge 33, a first straight edge 31, a bottom edge 34 and a second straight edge 32 which are connected end to end in sequence, wherein the first straight edge 31 and the second straight edge 32 are both positioned on the same side of the bottom edge 34, and on the side, the first straight edge 31, the bottom edge 34 and the second straight edge 32 surround to form a first groove 35 with an opening; the top edge 33 and the bottom edge 34 are located on either side of the first straight edge 31. When a plurality of second corrugations 21 are connected end to end, the second straight edge 32 of a preceding second corrugation 21 is connected to the top edge 33 of a succeeding second corrugation 21 in two adjacent second corrugations 21.
Preferably, the first steel plate limb 10 comprises at least 3 first corrugations 11 and the second steel plate limb 20 comprises at least 3 second corrugations 21.
Further, top edge 33 and bottom edge 34 are parallel to each other. In the first steel panel limb 10, the top edge 33 and the bottom edge 34 are both parallel to the first direction 12; in the second steel panel limb 20, the top edge 33 and the bottom edge 34 are both parallel to the second direction 22.
As shown in fig. 3, in the corrugated angle iron provided by the present invention, the first steel plate limb 10 and the second steel plate limb 20 surround to form the second groove 40. Preferably, the opening of the first groove 35 in the first steel plate limb 10 adjacent to the second steel plate limb 20 faces away from the second groove 40, and the opening of the first groove 35 in the second steel plate limb 20 adjacent to the first steel plate limb 10 also faces away from the second groove 40; alternatively, the first indentation 35 in the first steel plate limb 10 adjacent the second steel plate limb 20 opens into the second indentation 40, and the first indentation 35 in the second steel plate limb 20 adjacent the first steel plate limb 10 also opens into the second indentation 40. Further, the first steel plate limb 10 is symmetrical to the second steel plate limb 20.
In some embodiments, as shown in fig. 4, α is 90 °, γ is 90 °, and each of the first straight side 31 and the second straight side 32 is perpendicular to the bottom side 34, such that the first groove 35 is rectangular in shape.
In some embodiments, as shown in fig. 5, the included angle α between the first straight side 31 and the bottom side 34 and the included angle γ between the second straight side 32 and the bottom side 34 are obtuse angles, so that the shape of the first groove 35 is an inverted trapezoid, and the width of the first groove 35 gradually increases along the direction from the bottom side 34 to the top side 33.
In some embodiments, as shown in fig. 6, the included angle α between the first straight side 31 and the bottom side 34 and the included angle γ between the second straight side 32 and the bottom side 34 are acute angles, such that the first groove 35 has a trapezoidal shape, and the width of the first groove 35 gradually decreases along the direction from the bottom side 34 to the top side 33, further, 10 ° < α <90 °, 10 ° < γ <9 °.
In order to further improve the stress performance of the corrugated angle steel provided by the present invention, as shown in fig. 7-9, the joint of the top edge 33 and the first straight edge 31, the joint of the first straight edge 31 and the bottom edge 34, and the joint of the bottom edge 34 and the second straight edge 32 all adopt circular arc transition; the joint of two adjacent first corrugated parts 11 adopts circular arc transition, and/or the joint of two adjacent second corrugated parts 21 adopts circular arc transition, so as to reduce stress concentration at the joint and improve the strength and bearing capacity of the integral structure of the corrugated angle steel. The radius of the arc transition is marked as R; in some embodiments, the radii of the arc transitions at each junction are all equal in the first steel plate limb 10; in the second steel plate limb 20, the radii of the circular arc transitions at the respective junctions are all equal.
In one embodiment of the present invention, as shown in fig. 10, the first corrugation 11 is shaped as a periodic sine wave and/or the second corrugation 21 is shaped as a periodic sine wave, the first steel plate limb 10 has a plurality of first corrugations 11 connected end to end along a first direction 12 to form a continuous sine wave, and the second steel plate limb 20 has a plurality of second corrugations 21 connected end to end along a second direction 22 to form a continuous sine wave, preferably, an included angle β between the first direction 12 and the second direction 22 is 90 °.
Having described the embodiments of the first and second steel plate limbs 10 and 20, the inventor has next made further improvements to the structure of the end closure plate in the angle iron of the present invention.
The end sealing plate 50 and the first steel plate limb 10 and the end sealing plate 50 and the second steel plate limb 20 can be connected in a welding mode, so that high connection strength is guaranteed.
The whole shape of end shrouding can be polygon such as rectangle or trapezium, and is preferred, as shown in fig. 2 and 11, the whole triangle-shaped that is of end shrouding 50's shape, and two sides of triangle-shaped end shrouding 50 connect respectively in first steel sheet limb 10 and second steel sheet limb 20 to make between end shrouding 50 and the first steel sheet limb 10 and all have great connection length between end shrouding 50 and the second steel sheet limb 20, reduce the shared space of end shrouding 50 simultaneously, it is convenient the utility model provides a corrugated angle steel assembles with other components.
In an embodiment of the present invention, the side of the end sealing plate 50 connected to the first steel plate limb 10 is set as a wave curve, and the wave curve is the same as the cross-sectional shape of the first corrugated portion 11 on the first steel plate limb 10, so that the end sealing plate 50 is engaged with the first steel plate limb 10; the side of the end sealing plate 50 connected to the second steel plate limb 20 is provided with a wave-shaped curve, and the wave-shaped curve is the same as the cross-sectional shape of the second corrugated portion 21 on the second steel plate limb 20, so that the end sealing plate 50 is engaged with the second steel plate limb 20. Thus, the length of the end sealing plate 50 matched with the first steel plate limb 10 and the length of the end sealing plate 50 matched with the second steel plate limb 20 are further increased, so that the connection is firmer.
Further, the length of the side of the end sealing plate 50 connected to the first steel plate limb 10 may be equal to or different from the width of the first steel plate limb 10. Preferably, the length of the side of the end sealing plate 50 connected to the first steel plate limb 10 is less than or equal to the width of the first steel plate limb 10, so that the overall size of the angle iron can be reduced while ensuring the connection strength.
The length of the side of the end closure plate 50 connected to the second steel plate limb 20 may or may not be equal to the width of the second steel plate limb 20. Preferably, the length of the side of the end sealing plate 50 connected to the second steel plate limb 20 is less than or equal to the width of the second steel plate limb 20, so that the overall size of the angle steel can be reduced while ensuring the connection strength.
The arrangement of the end plate 50 in the corrugated angle is not limited to one. For example: an end sealing plate 50 is arranged at one end of the first steel plate limb 10, and at the end, the number of the end sealing plates 50 can be one, or a plurality of end sealing plates 50 can be stacked; alternatively, the end sealing plates 50 are provided at both ends of the first steel plate limb 10, and at either end, the number of the end sealing plates 50 may be one, or a plurality of the end sealing plates 50 may be stacked.
In an embodiment of the present invention, as shown in fig. 1 and fig. 2, the corrugated angle iron includes at least one pre-tensioning member 60, the two ends of the pre-tensioning member 60 are respectively connected to the end sealing plates 50 at the two ends, the pre-tensioning member 60 exerts a pulling force on the end sealing plates 50, the stress performance of the corrugated angle iron can be improved, and the bearing capacity can be improved.
The end sealing plate 50 may be disposed between the first steel plate limb 10 and the second steel plate limb 20, and respectively abut against the inner side surface of the first steel plate limb 10 and the inner side surface of the second steel plate limb 20, or may be disposed on the end surface of the first steel plate limb 10. Preferably, the end closure plate 50 is provided on an end face of the first steel plate limb 10 in abutment with an end face of the first steel plate limb 10 and in abutment with an end face of the second steel plate limb 20, so that the end closure plate 50 applies pressure to the first and second steel plate limbs 10, 20 under the pretensioning action of the pretensioning member 60.
Further, the end sealing plate 50 is provided with a component hole 51; the corrugated angle steel comprises an anchorage device 61 arranged on the outer end face of the end sealing plate 50, and the pre-tensioning member 60 penetrates through the member hole 51 and is fixedly connected with the anchorage device 61. The pre-tensioning member 60 is pre-stressed and tensioned and then fixed to the end closure plate 50 by anchors 61.
In some embodiments, the number of pre-tensioning elements 60 is multiple, the length direction of each pre-tensioning element 60 is parallel to the length direction of the first steel plate limb 10, and both ends are connected to the end closure plates 50 at both ends.
In some embodiments, the pretensioning member 60 is a pretensioning cable 62. Specifically, the prestressed cable 62 may be a prestressed strand or a prestressed wire.
In an embodiment of the present invention, the angle iron comprises at least one rib plate 70, and two sides of the rib plate 70 are connected to the first steel plate limb 10 and the second steel plate limb 20 respectively. The strength of the angle steel is enhanced by the rib plate 70, and the stress performance is further improved. When the number of the rib plates 70 is plural, the plural rib plates 70 are distributed at intervals along the length direction of the first steel plate limb 10. In some embodiments, the ribs 70 are provided with member holes 51 through which the pretensioning member 60 passes.
Further, the rib 70 has the same shape as the end closure plate 50. The rib 70 is generally triangular in shape; the side edge of the rib plate 70 connected to the first steel plate limb 10 is provided with a wave curve, and the wave curve is the same as the section shape of the first corrugated part 11 on the first steel plate limb 10, so that the rib plate 70 is meshed with the first steel plate limb 10; the side of the rib 70 connected to the second steel plate limb 20 is provided with a wave-shaped curve, and the wave-shaped curve is the same as the cross-sectional shape of the second corrugation part 21 on the second steel plate limb 20, so that the rib 70 is engaged with the second steel plate limb 20, and the overall size of the angle iron is reduced under the condition of ensuring the connection strength. Preferably, the rib plate 70 and the first steel plate limb 10 and the rib plate 70 and the second steel plate limb 20 are connected in a welding manner, so as to ensure high connection strength.
The corrugated angle steel may be connected to other components in a building system, or a plurality of the corrugated angle steel may be connected end to end, as shown in fig. 12, in a component system formed by connecting a plurality of the corrugated angle steel end to end, an end sealing plate 50 may be disposed only at one end of the first steel plate limb 10, and in two adjacent corrugated angle steel, the lower end of one corrugated angle steel is connected to the end sealing plate 50 located at the upper end of the other corrugated angle steel; the pre-tensioning member penetrates through the component system and is connected with the end sealing plates at two ends of the component system, and the pre-tensioning member can simultaneously apply pre-stress to a plurality of corrugated angle steels in the component system.
The above description is only for the embodiments of the present invention, and those skilled in the art can make various changes or modifications to the embodiments of the present invention according to the disclosure of the application document without departing from the spirit and scope of the present invention.
Claims (16)
1. A corrugated angle iron, comprising:
the first steel plate limb is distributed with at least one first corrugated part along the width direction;
the second steel plate limb is distributed with at least one second corrugated part along the width direction, and the side edge of one length direction of the first steel plate limb is fixedly connected with the side edge of one length direction of the second steel plate limb;
at least one end sealing plate arranged at the end part of the first steel plate limb;
and one side edge of the end sealing plate is connected to the first steel plate limb, and the other side edge of the end sealing plate is connected to the second steel plate limb.
2. The angle iron of claim 1, wherein the first steel plate limb comprises a plurality of first corrugations which are sequentially connected end to end;
the number of the second corrugated parts in the second steel plate limb is multiple, and the second corrugated parts are sequentially connected end to end.
3. The angle iron of claim 1, wherein a cross section of the first corrugation perpendicular to the length direction of the first steel plate limb comprises a top edge, a first straight edge, a bottom edge and a second straight edge which are connected end to end in sequence,
and/or the section of the second corrugated part, which is perpendicular to the length direction of the second steel plate limb, comprises a top edge, a first straight edge, a bottom edge and a second straight edge which are sequentially connected end to end.
4. The angle iron of claim 3, wherein the top edge and the bottom edge are parallel to each other, and the first straight edge and the second straight edge are both perpendicular to the bottom edge.
5. The angle iron of claim 3, wherein the top and bottom edges are parallel to each other; and the number of the first and second electrodes,
the included angle between the first straight edge and the bottom edge and the included angle between the second straight edge and the bottom edge are obtuse angles, or the included angle between the first straight edge and the bottom edge and the included angle between the second straight edge and the bottom edge are acute angles.
6. The angle iron according to any one of claims 3 to 5, wherein the junction of the top edge and the first straight edge, the junction of the first straight edge and the bottom edge, and the junction of the bottom edge and the second straight edge are all in circular arc transition;
and the joint of two adjacent first corrugated parts adopts circular arc transition, and/or the joint of two adjacent second corrugated parts adopts circular arc transition.
7. The angle iron of claim 1 or 2, wherein the first corrugation is shaped as a periodic sine wave and/or the second corrugation is shaped as a periodic sine wave.
8. The angle iron of claim 1, wherein the first plate limb is welded to the second plate limb.
9. The angle iron of claim 1, wherein the end closure plate is generally triangular in shape.
10. The angle iron of claim 9, wherein the side of the end closure plate attached to the first steel plate limb engages at least one first corrugation on the first steel plate limb; the end sealing plate is connected to the side edge of the second steel plate limb and is meshed with at least one second corrugated part on the second steel plate limb.
11. The angle iron of claim 1, wherein the angle iron comprises two end closure plates, the two end closure plates being secured to respective ends of the first steel plate limb.
12. The angle iron of claim 11, wherein the angle iron comprises at least one pre-tensioning member, the ends of the pre-tensioning member being attached to the end closure plates at each end.
13. The angle iron of claim 12, wherein the end plate has component holes;
the corrugated angle steel comprises an anchorage device arranged on the outer end face of the end sealing plate, and the pre-tensioning member penetrates through the member hole and is fixedly connected with the anchorage device.
14. The angle iron of claim 12, wherein the pre-tensioning member is a pre-stressed cable.
15. The angle iron of claim 1, comprising at least one rib having two sides connected to the first and second steel plate limbs, respectively.
16. The angle iron of claim 15, wherein the rib is shaped to be the same as the end closure plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921387996.0U CN211172695U (en) | 2019-08-26 | 2019-08-26 | Corrugated angle steel |
Applications Claiming Priority (1)
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