CN214329271U - Anti structure of collapsing in succession based on web reinforcing honeycomb roof beam - Google Patents
Anti structure of collapsing in succession based on web reinforcing honeycomb roof beam Download PDFInfo
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- CN214329271U CN214329271U CN202023120654.8U CN202023120654U CN214329271U CN 214329271 U CN214329271 U CN 214329271U CN 202023120654 U CN202023120654 U CN 202023120654U CN 214329271 U CN214329271 U CN 214329271U
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- 230000003014 reinforcing effect Effects 0.000 title abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 230000000750 progressive effect Effects 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Abstract
The utility model discloses an anti structure of collapsing in succession based on web reinforcing honeycomb roof beam belongs to building structure technical field. Anti structure of collapsing in succession based on web reinforced honeycomb roof beam includes: the H-shaped honeycomb beam is characterized in that a web plate of the H-shaped honeycomb beam is provided with a plurality of inclined ribs in an attaching mode; wherein, each diagonal rib both ends laminate with H type honeycomb roof beam top flange and bottom flange respectively, and relative slope sets up between the adjacent diagonal rib. The utility model discloses a laminating on H type honeycomb web sets up the rib to one side, makes the difficult emergence fracture in trompil position of H type honeycomb roof beam, and after overall structure's position or component took place to destroy, utilizes the rib to one side to provide new biography power route for overall structure's anti ability of collapsing in succession improves greatly. Therefore, based on web reinforced honeycomb roof beam's anti structure of collapsing in succession, structural design is reasonable, has excellent bearing capacity, stability and the ability of collapsing in succession.
Description
Technical Field
The utility model belongs to the technical field of building structure, a anti structure of collapsing in succession based on web reinforcing honeycomb roof beam is related to.
Background
Compared with a concrete structure and a masonry structure, the steel structure has better deformability and hysteretic performance and has more excellent performance under the action of earthquake and impact. Once the steel structure is subjected to the action of special loads such as explosion and the like, the steel structure can have better continuous collapse resistance by providing stronger redundancy.
After the structure is damaged by key components, the stress state of the beam is divided into a beam stage, an arch pressing stage, a transition stage and a catenary stage, the rigidity can be increased by improving the height of the beam generally, and web materials of the beam are often not fully utilized, so that the rigidity of the structure can be increased while the influence on the bearing capacity is small by selecting the honeycomb beam, the bearing capacity of the beam stage is improved, the beam can enter the catenary stage more quickly due to weakening of the web, the pipeline is convenient to pass through, and the space utilization rate and the attractiveness of the structure are improved.
When the height of the beam is larger, the web plate is easy to partially buckle due to the larger height-thickness ratio, and meanwhile, the web plate is easy to break at the first opening position of the beam end under the large deformation condition of continuous collapse, so that the overall collapse of the structure can be caused.
SUMMERY OF THE UTILITY MODEL
In order to overcome the shortcomings of the prior art, the utility model aims to provide an anti-progressive-collapse structure based on web reinforced honeycomb beam has excellent bearing capacity, stability and anti-progressive-collapse capability.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
the utility model discloses an anti structure of collapsing in succession based on honeycomb roof beam is strengthened to web, include: the H-shaped honeycomb beam is characterized in that a plurality of inclined ribs are attached to a web plate of the H-shaped honeycomb beam, two ends of each inclined rib are respectively attached to an upper flange and a lower flange of the H-shaped honeycomb beam, and adjacent inclined ribs are arranged in an inclined mode relatively.
Preferably, the H-shaped honeycomb beam is a staggered round hole type honeycomb beam.
Further preferably, the connection intersection point of the inclined ribs which are arranged obliquely oppositely is coaxial with the center of a circle in the staggered round hole type honeycomb beam.
Preferably, the inclined ribs are fixed with the H-shaped honeycomb beam web plate through connecting bolts, bolt holes for penetrating the connecting bolts are formed in the inclined ribs and the H-shaped honeycomb beam web plate, and the distance between each bolt hole and the flange of the H-shaped honeycomb beam is x;
when the thickness of the inclined rib is larger than that of the H-shaped honeycomb beam web, x is more than or equal to 2 times of the diameter of the connecting bolt and is less than or equal to 8 times of the thickness of the H-shaped honeycomb beam web;
when the thickness of the H-shaped honeycomb beam web plate is larger than that of the inclined rib, x is more than or equal to 2 times of the diameter of the connecting bolt and less than or equal to 8 times of the thickness of the inclined rib.
Preferably, two ends of the H-shaped honeycomb beam are vertically fixed on the H-shaped frame column.
Further preferably, the end of the H-shaped honeycomb beam is connected with the H-shaped frame column through an internal angle steel, at least one long round hole is formed in the joint, and a high-strength friction bolt penetrates through the long round hole.
Further preferably, the upper and lower flanges of the H-shaped honeycomb beam are connected with the flanges of the H-shaped frame column through external angle steel.
Further preferably, a transverse stiffening rib perpendicular to both the flanges of the H-shaped frame column and the web of the H-shaped frame column is arranged between the flanges of the H-shaped frame column.
Preferably, the inclined ribs are arranged on two sides of the web plate of the H-shaped honeycomb beam in an attaching mode.
Preferably, the diagonal ribs are made of steel plates or angle steels.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a structural system that collapses prevents based on web reinforcing honeycomb roof beam sets up the rib to one side through laminating on H type honeycomb web, can make the trompil position of H type honeycomb roof beam be difficult for breaking, through laminating rib to one side both ends and H type honeycomb roof beam top flange and bottom flange, and set up adjacent rib to one side relative slope, constitute symmetrical structure, after overall structure's position or component take place to destroy, the adjacent rib to one side of striding H type honeycomb roof beam provides new biography power route, make overall structure's anti ability of collapsing in succession improve greatly. Therefore, based on web reinforced honeycomb roof beam's anti structure of collapsing in succession, structural design is reasonable, has excellent bearing capacity, stability and the ability of collapsing in succession.
Further, the web structure of H type honeycomb roof beam is dislocation round pass, and the structural system that this dislocation round pass honeycomb roof beam and rib constitute can utilize the rib to provide new biography power route after important component destroys, transmits the load to adjacent beam column, plays the effect of multichannel defence line, consequently can strengthen the atress effect of bearing capacity and anti ability of collapsing in succession.
Further, the utility model discloses H type honeycomb roof beam is connected the bolt hole of opening of corresponding position with inside angle steel and is the slotted hole, provides slide, pivoted space, can delay the destruction of node, increases the ductility of node. In addition, the friction type high-strength bolt connection is matched, the assembly construction can be realized, the installation is simple, the economic benefit is realized, and the problem of welding seam quality possibly caused by field welding is avoided.
Furthermore, the inclined ribs are arranged on two sides of the web plate of the H-shaped honeycomb beam for reinforcement, so that the web plate can be effectively prevented from being locally bent, the rigidity is greatly increased, and the vertical deformation of the structure is delayed.
Drawings
FIG. 1 is a front view of a progressive collapse resistant structure based on web reinforced honeycomb beams;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a right side view of a progressive collapse resistant structure based on web reinforced honeycomb beams;
FIG. 4 is a flow chart of the manufacturing method of the middle-staggered round hole type honeycomb beam of the present invention; wherein, (a) is a cutting line schematic diagram of the honeycomb beam, (b) is a post-cutting schematic diagram of the honeycomb beam, and (c) is a structural schematic diagram of the honeycomb beam.
Wherein: 1-H-frame columns; 2-internal angle steel; 3-opening the round hole type honeycomb beam in a staggered manner; 4-long round holes; 5-high strength friction type bolts; 6-transverse stiffeners; 7-oblique ribs; 8-external angle steel.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below 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 efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, the anti-progressive collapse structure based on the web reinforced honeycomb beam comprises an H-shaped honeycomb beam, an H-shaped frame column 1, inner angle steel 2, a long circular hole 4, a high-strength friction bolt 5, a transverse stiffening rib 6, an inclined rib 7 and outer angle steel 8.
Referring to fig. 2, two ends of the H-shaped honeycomb beam are vertically connected with the H-shaped frame column 1, two transverse stiffening ribs 6 which are respectively perpendicular to the flange of the H-shaped frame column 1 and the web of the H-shaped frame column 1 are arranged between the flanges of the H-shaped frame column 1, and the external angle steel 8 connecting pieces with two openings are connected with the flange of the H-shaped frame column 1 and the flange of the H-shaped honeycomb beam through high-strength friction bolts 5. The H-shaped honeycomb beam end and the H-shaped frame column 1 are connected through the inner angle steel 2, at least one long round hole 4 is formed in the connecting position (specifically, at least one long round hole 4 is formed in the web plate of the H-shaped honeycomb beam end and the flange of the H-shaped frame column 1), and a high-strength friction type bolt 5 penetrates through the long round hole 4.
Referring to fig. 2 and 3, a plurality of inclined ribs 7 are attached to two side surfaces of the web plate of the H-shaped honeycomb beam, two ends of each inclined rib 7 are respectively attached to the upper flange and the lower flange of the H-shaped honeycomb beam, and adjacent inclined ribs 7 are arranged in an inclined manner relatively. The inclined ribs 7 on two sides of the web plate of the H-shaped honeycomb beam are fixedly connected with the web plate of the H-shaped honeycomb beam through connecting bolts.
The inclined ribs 7 and the H-shaped honeycomb beam web are respectively provided with a bolt hole for penetrating a connecting bolt, and the distance between the bolt hole and the flange of the H-shaped honeycomb beam is x;
when the thickness of the inclined rib 7 is larger than that of the H-shaped honeycomb beam web, x is more than or equal to 2 times of the diameter of the connecting bolt and is less than or equal to 8 times of the thickness of the H-shaped honeycomb beam web;
when the thickness of the H-shaped honeycomb beam web is larger than the thickness of the inclined rib 7, x is more than or equal to 2 times of the diameter of the connecting bolt and less than or equal to 8 times of the thickness of the inclined rib 7.
Specifically, in the embodiment of the present invention, the H-shaped honeycomb beam web is a staggered round hole type honeycomb beam 3.
Specifically, in the embodiment of the present invention, the oblique ribs 7 disposed obliquely relative to each other connect the intersection point to be coaxial with the center of the circle in the staggered round hole type honeycomb beam 3.
Specifically, in the embodiment of the present invention, the inclined rib 7 is made of steel plate or angle steel.
With reference to fig. 1 and 4, it can be seen that in a specific embodiment, the staggered open circular hole type honeycomb beam 3 for the anti-progressive collapse structure based on the web reinforced honeycomb beam of the present invention corresponds to a method for manufacturing the anti-progressive collapse structure based on the web reinforced honeycomb beam, which specifically includes the following steps:
firstly, cutting a web into two parts I and II along the line shown in figure 4(a) by adopting a flame cutting method for common H-shaped steel, then cutting a shadow part, and welding an upper part and a lower part according to figure 4(c) to manufacture the staggered circular hole honeycomb beam 3.
And step two, forming long circular holes 4 in corresponding positions on the inner angle steel 2, webs at two ends of the staggered circular hole type honeycomb beam 3 and the flange of the H-shaped frame column 1, and forming bolt holes in specified positions on the outer angle steel 8, the flange of the staggered circular hole type honeycomb beam 3 and the flange of the H-shaped frame column 1.
And step three, welding the transverse stiffening rib 6 and the H-shaped frame column 1.
And step four, connecting the perforated external angle steel 8 with the flange of the staggered round-hole-opening honeycomb beam 3 or the flange of the H-shaped frame column 1 through a high-strength friction bolt 5, connecting the perforated internal angle steel 2 with the web of the staggered round-hole-opening honeycomb beam 3 and the flange of the H-shaped frame column 1 through the high-strength friction bolt 5, and connecting the inclined rib 7 with the web of the staggered round-hole-opening honeycomb beam 3 through a bolt.
And step five, applying the pretightening force of the high-strength friction type bolt 5 according to the requirement.
The first step, the second step and the third step in the construction method can be finished in a factory, so that the welding quality is ensured; and step four and step five are completed by splicing the high-strength friction type bolts 5 on site, so that the assembly construction is realized.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (10)
1. A structure of resisting collapsing in succession based on honeycomb roof beam is strengthened to web, its characterized in that includes: a plurality of inclined ribs (7) are attached to a web plate of the H-shaped honeycomb beam, two ends of each inclined rib (7) are respectively attached to an upper flange and a lower flange of the H-shaped honeycomb beam, and adjacent inclined ribs (7) are arranged in a relatively inclined mode.
2. The structure of resisting continuous collapse based on web reinforced honeycomb beam of claim 1, characterized in that the H-shaped honeycomb beam is a staggered round hole type honeycomb beam (3).
3. The structure of resisting continuous collapse based on the web reinforced honeycomb beam is characterized in that the connection intersection points of the inclined ribs (7) which are arranged in an inclined mode are coaxial with the center of a circle in the staggered round hole type honeycomb beam (3).
4. The structure of claim 1, wherein the inclined rib (7) is fixed to the web of the H-shaped honeycomb beam through a connecting bolt, bolt holes for the connecting bolt to penetrate through are formed in the inclined rib (7) and the web of the H-shaped honeycomb beam, and the distance between each bolt hole and the flange of the H-shaped honeycomb beam is x;
when the thickness of the inclined rib (7) is larger than that of the H-shaped honeycomb beam web, x is more than or equal to 2 times of the diameter of the connecting bolt and is less than or equal to 8 times of the thickness of the H-shaped honeycomb beam web;
when the thickness of the H-shaped honeycomb beam web plate is larger than that of the inclined rib (7), x is more than or equal to 2 times of the diameter of the connecting bolt and less than or equal to 8 times of the thickness of the inclined rib (7).
5. The structure of claim 1, wherein the H-shaped honeycomb beam is vertically fixed on the H-shaped frame column (1) at two ends.
6. The anti-progressive collapse structure based on the web reinforced honeycomb beam is characterized in that the end of the H-shaped honeycomb beam is connected with the H-shaped frame column (1) through an inner angle steel (2), at least one long circular hole (4) is formed in the connection position, and a high-strength friction type bolt (5) penetrates through the long circular hole (4).
7. The progressive collapse resistance structure based on the web reinforced honeycomb beam is characterized in that upper and lower flanges of the H-shaped honeycomb beam are connected with flanges of the H-shaped frame column (1) through external angle steel (8).
8. The structure of resisting progressive collapse based on honeycomb roof beam is strengthened to web according to claim 5, characterized in that, be equipped with between H type frame post (1) flange simultaneously perpendicular to H type frame post (1) flange and H type frame post (1) web horizontal stiffening rib (6).
9. The structure of claim 1, wherein the inclined ribs (7) are attached to two sides of the web of the H-shaped honeycomb beam.
10. The structure of resisting continuous collapse of honeycomb girder based on web reinforcement according to claim 1, wherein the diagonal rib (7) is made of steel plate or angle steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023120654.8U CN214329271U (en) | 2020-12-22 | 2020-12-22 | Anti structure of collapsing in succession based on web reinforcing honeycomb roof beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023120654.8U CN214329271U (en) | 2020-12-22 | 2020-12-22 | Anti structure of collapsing in succession based on web reinforcing honeycomb roof beam |
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| Publication Number | Publication Date |
|---|---|
| CN214329271U true CN214329271U (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023120654.8U Expired - Fee Related CN214329271U (en) | 2020-12-22 | 2020-12-22 | Anti structure of collapsing in succession based on web reinforcing honeycomb roof beam |
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| Country | Link |
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| CN (1) | CN214329271U (en) |
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- 2020-12-22 CN CN202023120654.8U patent/CN214329271U/en not_active Expired - Fee Related
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Granted publication date: 20211001 |