CN219908623U - Large-span bailey piece and large-span bailey beam - Google Patents
Large-span bailey piece and large-span bailey beam Download PDFInfo
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- CN219908623U CN219908623U CN202321494447.XU CN202321494447U CN219908623U CN 219908623 U CN219908623 U CN 219908623U CN 202321494447 U CN202321494447 U CN 202321494447U CN 219908623 U CN219908623 U CN 219908623U
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- span bailey
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- 210000001503 joint Anatomy 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 41
- 239000010959 steel Substances 0.000 claims description 41
- 238000005491 wire drawing Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 5
- 230000004888 barrier function Effects 0.000 abstract description 2
- 230000007704 transition Effects 0.000 description 11
- 230000002787 reinforcement Effects 0.000 description 6
- 238000011065 in-situ storage Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of bridge construction, and provides a large-span bailey piece and a large-span bailey beam, wherein the large-span bailey piece comprises two chords arranged at intervals and two web members arranged between the two chords, the two web members and the two chords are arranged in a rectangular shape in a surrounding manner, and diagonal bracing members are arranged between the adjacent web members and the chords; the chord members and the web members form a rectangular frame, and the inclined stay bars at the inner sides of the rectangular frame form a quadrilateral structure; the end part of one end of the chord member is provided with a butt joint, and the end part of the other end is concavely provided with a butt joint groove; the butt joint of one of the two adjacent large-span bailey pieces is detachably arranged in the butt joint groove of the other of the two adjacent large-span bailey pieces. The utility model can set the number of the large-span bailey pieces to be less under the same span condition, ensures that the structure is more stable, is convenient for construction, can save a great amount of material cost, can realize the one-time span of the large span, and avoids the influence of ground and underground barriers on the construction.
Description
Technical Field
The utility model relates to the technical field of bridge construction, in particular to a large-span bailey piece and a large-span bailey beam.
Background
When the single-span combined bailey beam with larger span is applied to the complex conditions of ground obstacles, underground pipelines and the like existing in the span setting range, middle supporting point transition is difficult to set at the span center position, the span of the single-span bailey beam is 9-15m at present, when the bridge bailey beam is set up by a support cast-in-situ method to meet the span of larger span, the middle supporting point transition is set up or the bridge support is set up directly in situ for construction, but if the ground obstacles or underground pipelines pass, the direct setting up of the support or the setting up of foundation support transition is greatly influenced.
The traditional bailey beam has the size and the length of 3 multiplied by 1.5m, a bracket system of a combination of a steel pipe column, the bailey beam and a disc buckle frame is adopted under the condition of a large span, a plurality of middle fulcra are required to be arranged in a span, a strip-shaped foundation support is arranged below the steel pipe column, and steel pipe piles are adopted for reinforcement, however, the reinforcement is difficult through the arrangement of the strip-shaped foundation and the steel pipe piles under the condition that the underground existing pipeline transversely passes through a line in the side span range; in summary, the bailey beam in the prior art is difficult to span over a large span.
Disclosure of Invention
The utility model provides a large-span bailey piece and a large-span bailey beam, which are used for solving the problem that the bailey beam is difficult to span in a large span in the prior art and realizing the large-span of the bailey beam.
The utility model provides a large-span bailey piece, which comprises two chord members arranged at intervals and two web members arranged between the two chord members, wherein the two web members and the two chord members are arranged in a rectangular shape in a surrounding manner, and diagonal bracing members are arranged between the adjacent web members and the chord members; the chord members and the web members form a rectangular frame, and the diagonal bracing bars on the inner side of the rectangular frame form a quadrilateral structure;
the end part of one end of the chord member is provided with a butt joint, and the end part of the other end of the chord member is concavely provided with a butt joint groove; the butt joint of one of the two adjacent large-span bailey pieces is detachably arranged in the butt joint groove of the other of the two adjacent large-span bailey pieces;
wherein the chord member and the web member are each 3 meters in length or more.
According to the large-span bailey piece provided by the utility model, the butt joint is penetrated with the first via hole, and the inner side wall of the butt joint groove is penetrated with the second via hole;
the large-span Bailey sheet further comprises a fixing bolt, wherein the fixing bolt penetrates through the first via hole and the second via hole, so that the butt joint connector and the butt joint groove are detachably connected.
According to the large-span bailey piece provided by the utility model, the chord members and the web members are channel steel or I-steel.
According to the large-span bailey piece provided by the utility model, the diagonal brace is channel steel or I-steel.
According to the large-span bailey piece provided by the utility model, the reinforced wiredrawing is arranged between the chord member and the diagonal brace; or alternatively, the process may be performed,
reinforcing wiredrawing is arranged between the web member and the diagonal brace.
The utility model also provides a large-span bailey beam, which comprises any one of the large-span bailey pieces, wherein a plurality of large-span bailey pieces are arranged, and the large-span bailey pieces are sequentially connected along the extending direction of the chord member.
According to the large-span bailey beam provided by the utility model, the large-span bailey beam further comprises a steel pipe column, and a plurality of large-span bailey pieces are erected on the steel pipe column.
According to the large-span bailey beam provided by the utility model, the large-span bailey beam further comprises the handrail column, and the handrail column is connected between the steel pipe column and the external support column.
According to the large-span bailey beam provided by the utility model, the steel pipe upright post is also provided with the column cap, and the large-span bailey pieces are erected on the column cap.
In the large-span bailey piece provided by the utility model, based on the arrangement of the web members and the chord members, a rectangular frame with the length and the width being more than or equal to 3 meters can be formed, and the sequential assembly of a plurality of large-span bailey pieces is convenient to realize; based on the diagonal brace arranged between the adjacent web members and the chord members, the rectangular frame can be reinforced through the quadrilateral structure, so that the stability of the whole structure of the large-span bailey piece is ensured; therefore, when the bailey beam is spanned, fewer bailey pieces can be adopted to finish the spanning, because the size of the bailey pieces is increased, under the same span condition, the number of the large-span bailey pieces is fewer, the structure is more stable, the strip foundation is not required to be independently arranged as a middle pivot for transition in the process of erecting the bailey beam, a great amount of material cost is saved when the construction is convenient, the large-span one-time spanning can be realized, and the influence of ground and underground obstacles on the construction is avoided.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a large-span beret sheet provided by the utility model;
fig. 2 is a schematic structural diagram of the long-span bailey beam provided by the utility model.
Reference numerals:
100. large span bailey pieces; 1. a chord; 2. a web member; 3. a diagonal brace; 4. a steel pipe column; 5. a handrail column; 6. and a column cap.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the case where a directional instruction is involved in the embodiment of the present utility model, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
When the single-span combined bailey beam with larger span is applied to the complex conditions of ground obstacles, underground pipelines and the like existing in the span setting range, middle supporting point transition is difficult to set at the span center position, the span of the single-span bailey beam is 9-15m at present, when the bridge bailey beam is set up by a support cast-in-situ method to meet the span of larger span, the middle supporting point transition is set up or the bridge support is set up directly in situ for construction, but if the ground obstacles or underground pipelines pass, the direct setting up of the support or the setting up of foundation support transition is greatly influenced.
The traditional bailey beam has the size and the length of 3 multiplied by 1.5m, a bracket system of a combination of a steel pipe column, the bailey beam and a disc buckle frame is adopted under the condition of a large span, a plurality of middle fulcra are required to be arranged in a span, a strip-shaped foundation support is arranged below the steel pipe column, and steel pipe piles are adopted for reinforcement, however, the reinforcement is difficult through the arrangement of the strip-shaped foundation and the steel pipe piles under the condition that the underground existing pipeline transversely passes through a line in the side span range; in summary, the bailey beam in the prior art is difficult to span over a large span.
The traditional Bailey sheets have the size length and width of 3 multiplied by 1.5m, and after the Bailey sheets are connected corresponding to a certain number in the process of building the Bailey beams, middle fulcrums are needed to be added between the Bailey sheets for transition, so that insufficient strength caused by excessive connection quantity of the Bailey sheets is avoided.
Referring to fig. 1, a large-span bailey piece 100 of the present utility model includes two chords 1 arranged at intervals, and two web members 2 arranged between the two chords 1, wherein the two web members 2 and the two chords 1 are arranged in a rectangular shape, and diagonal bracing members 3 are arranged between adjacent web members 2 and chords 1; wherein, the length of chord member and web rod is greater than or equal to 3 meters.
Based on the arrangement of the web members 2 and the chords 1, a rectangular frame with the length and the width of more than or equal to 3 meters can be formed; along the extending direction of the chord member 1, a plurality of large-span bailey pieces 100 can be assembled in sequence; four diagonal braces 3 are disposed in each large-span bailey piece 100, each diagonal brace 3 is disposed between the adjacent web member 2 and the chord member 1, one end of each diagonal brace 3 is connected with the middle of the chord member 1, and the other end of each diagonal brace 3 is connected with the middle of the web member 2, so that the four diagonal braces 3 form a quadrilateral structure, and the overall mechanical strength of the large-span bailey piece 100 is ensured.
Wherein the four diagonal braces 3 may be specifically configured as a parallelogram structure.
The large-span bailey piece 100 provided by the utility model can form a large-scale rectangular frame based on the web members 2 and the chord members 1, and is convenient for realizing the sequential assembly of a plurality of large-span bailey pieces; based on the diagonal brace arranged between the adjacent web members and the chord members, the rectangular frame can be reinforced through the quadrilateral structure, so that the stability of the whole structure of the large-span bailey piece is ensured; thus, when the bailey beam is spanned, fewer bailey pieces can be adopted to finish the spanning; because the size of the bailey pieces is increased, under the condition of the same span, the large-span bailey pieces 100 have fewer structures and are more stable, the strip foundation is not required to be independently arranged as a middle pivot for transition in the process of erecting the bailey beams, the construction is convenient, a large amount of material cost is saved, the large-span one-time crossing can be realized, and the influence of ground and underground barriers on the construction is avoided.
In the prior art, 1.5 by 3 bailey pieces are adopted, and in the utility model, 3 by 3 bailey pieces are adopted, and in the construction process of the bailey beams with the same span, the large-span bailey pieces have larger size and more stable structure, and the span of the traditional two bailey pieces can be achieved by only needing one large-span bailey piece; the casting method of the large-span bailey pieces 100 is the same as the traditional casting method of the bailey pieces, so that the strength of the large-span bailey pieces 100 is ensured, and detailed description is omitted here.
Further, there are various ways of setting up the large-span bailey pieces 100, as long as the two bailey pieces can be fixedly connected, for example, by means of a coil buckle, welding, or the like.
In the embodiment provided by the utility model, the end part of one end of the chord member 1 is provided with a butt joint, the end part of the other end is concavely provided with a butt joint groove, and the butt joint of one of the two adjacent large-span bailey pieces 100 is detachably arranged in the butt joint groove of the other of the two adjacent large-span bailey pieces 100.
In this embodiment, the butt joint is fixed into the butt joint groove to form a male-female joint, so that the plurality of large-span bailey pieces 100 are convenient to butt against each other, a connection gap is not formed between the two large-span bailey pieces 100, and the stability of connection between the plurality of large-span bailey pieces 100 is ensured.
Specifically, in this embodiment, the docking connector is penetrated with a first via hole, and the inside wall of the docking groove is penetrated with a second via hole; the large-span bailey piece 100 further includes a fixing bolt, where the fixing bolt is used to be disposed in the first via hole and the second via hole in a penetrating manner, so as to realize detachable connection between the butt joint and the butt joint groove. The first via hole and the second via hole may be threaded holes adapted to the fixing bolt.
In this embodiment, two adjacent large-span bailey pieces 100 are connected by means of fixing bolts, so that the structure is stable and reliable, the cost is low, and the implementation is convenient.
On the other hand, in the present embodiment, the chord member 1 and the web member 2 are both channel steel or i-steel. So as to ensure the structural strength of the beret sheet.
Likewise, the diagonal brace 3 is a channel steel or an i-steel.
In the above two related technical features, there may be alternatively or simultaneously, and there is no specific limitation herein.
In the embodiment provided by the utility model, the chord member 1, the web member 2 and the diagonal brace 3 are all i-shaped steel, so that the large-span bailey pieces 100 are conveniently formed, and the structural strength of the formed large-span bailey pieces 100 is ensured.
On the other hand, in the present embodiment, reinforcing wire drawing is provided between the chord member 1 and the diagonal brace 3. In this embodiment, in order to ensure the structural strength of the large-span bailey piece 100, reinforcing wire drawing is provided between the chord member 1 and the diagonal brace 3, and when the bailey beam is erected, force conduction is performed between the chord member 1 and the diagonal brace 3 through the reinforcing wire drawing, so that the bearing capacity of the large-span bailey piece 100 is improved.
The reinforcing wire is provided in various manners, for example, directly wound and fixed between the chord member 1 and the diagonal brace 3 by winding.
Wherein, strengthen the wire drawing and restrict in fixed position through the mode of spacer, all be provided with the spacer on chord member 1 and the diagonal brace 3, be formed with the constant head tank on the spacer, strengthen the wire drawing and fix a position around locating in the constant head tank, avoid the atress to appear sliding.
Similarly, a reinforcing wire drawing is arranged between the web member 2 and the diagonal brace 3. To increase the load bearing capacity between the web members 2 and the diagonal braces 3.
It should be noted that the reinforcing wire drawing is alternatively present, and is set according to the actual tooling state of the large-span bailey piece 100, which is not particularly limited herein.
Based on the above-mentioned large-span bailey piece 100, the present utility model further provides a large-span bailey beam, which includes the above-mentioned large-span bailey piece 100, and has all technical features of the above-mentioned large-span bailey piece 100, so that the present utility model also has technical effects brought by all the above-mentioned technical features, and will not be described in detail herein.
Referring to fig. 2, the present utility model provides a large-span bailey beam, which includes a large-span bailey piece 100, wherein the large-span bailey piece 100 is provided with a plurality of large-span bailey pieces 100, and the plurality of large-span bailey pieces 100 are sequentially connected along the extending direction of the chord member.
In this embodiment, a plurality of large-span bailey pieces 100 are sequentially connected to form a large-span bailey beam, so that one-time spanning of the bailey beam can be realized, a strip foundation is not required to be independently arranged as a middle pivot for transition, and a large amount of material cost is saved while the construction is facilitated.
Further, the large-span bailey beam further comprises a steel pipe column 4, and a plurality of large-span bailey pieces 100 are erected on the steel pipe column 4. In the embodiment, the steel pipe upright post 4 is supported, so that the large-span Bailey beam is conveniently erected.
Further, the large-span bailey beam further comprises a handrail column 5, and the handrail column 5 is connected between the steel pipe column 4 and an external support column. In this embodiment, the steel pipe column 4 is stabilized by the armrest column 5, so that casting instability of the steel pipe column 4 is avoided.
In addition, a column cap 6 is further provided on the steel pipe column 4, and a plurality of large-span bailey pieces 100 are erected on the column cap. In the present embodiment, the erection of the large-span bailey pieces 100 is facilitated by the caps 6.
Specifically, in order to facilitate the erection of the large-span bailey pieces 100, in this embodiment, a cushion layer is further provided on the cap 6 to avoid abrasion between the bailey pieces and the cap 6.
Based on the above-described large-span bailey pieces 100 and large-span bailey beams, the present utility model provides an embodiment.
The traditional bailey beam has the size and the length of 3 multiplied by 1.5m, if the span of a side span of a cast-in-situ beam of a certain bracket is 40m, a bracket system consisting of a steel pipe column, the bailey beam and a disc buckle frame is adopted, the prior design adopts a combined bailey beam with the height of 1.5m, 2 middle fulcrums are arranged in the span, a strip-shaped foundation support is arranged below the steel pipe column, and steel pipe piles are adopted for reinforcement, and the strip-shaped foundation and the steel pipe piles cannot be arranged for reinforcement because the underground existing pipeline transversely passes through the line within the range of the side span.
In the embodiment, a combined bailey beam with the length of 3 multiplied by 3m is adopted instead to span on a steel pipe column arranged on a bearing platform, a strip foundation is not required to be independently arranged as a middle supporting point for transition, and a large amount of material cost is saved while the construction is convenient.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (9)
1. The large-span bailey piece is characterized by comprising two chord members arranged at intervals and two web members arranged between the two chord members, wherein the two web members and the two chord members are arranged in a rectangular shape in a surrounding manner, and diagonal bracing members are arranged between the adjacent web members and the chord members; the chord members and the web members form a rectangular frame, and the diagonal bracing bars on the inner side of the rectangular frame form a quadrilateral structure;
the end part of one end of the chord member is provided with a butt joint, and the end part of the other end of the chord member is concavely provided with a butt joint groove; the butt joint of one of the two adjacent large-span bailey pieces is detachably arranged in the butt joint groove of the other of the two adjacent large-span bailey pieces;
wherein the chord member and the web member are each greater than or equal to 3 meters in length.
2. The long-span bailey patch of claim 1 wherein the butt joint has a first via therethrough and the butt joint recess has a second via therethrough;
the large-span bailey piece further comprises a fixing bolt, and the fixing bolt penetrates through the first through hole and the second through hole to realize detachable connection of the butt joint connector and the butt joint groove.
3. The long span bailey piece of claim 1 wherein the chord and web members are both channel steel or i-steel.
4. The long span bailey tablet of claim 1 wherein the diagonal braces are channel steel or i-steel.
5. The long span bailey piece of claim 1 wherein a reinforcing wiredrawing is provided between the chord member and the diagonal brace; or alternatively, the process may be performed,
and a reinforcing wiredrawing is arranged between the web member and the diagonal brace.
6. A long span bailey beam comprising the long span bailey piece of any one of claims 1 to 5, wherein the long span bailey piece is provided with a plurality of, a plurality of the long span bailey pieces are connected in turn along the extension direction of the chord member.
7. The long-span bailey beam of claim 6, further comprising a steel tube column on which a plurality of said long-span bailey pieces are mounted.
8. The long span bailey beam of claim 7 further comprising a railing post connected between the steel pipe post and an external support post.
9. The long-span bailey beam of claim 7, wherein the steel tube upright is further provided with a cap, and a plurality of the long-span bailey pieces are erected on the cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321494447.XU CN219908623U (en) | 2023-06-12 | 2023-06-12 | Large-span bailey piece and large-span bailey beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321494447.XU CN219908623U (en) | 2023-06-12 | 2023-06-12 | Large-span bailey piece and large-span bailey beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219908623U true CN219908623U (en) | 2023-10-27 |
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ID=88463331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321494447.XU Active CN219908623U (en) | 2023-06-12 | 2023-06-12 | Large-span bailey piece and large-span bailey beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219908623U (en) |
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2023
- 2023-06-12 CN CN202321494447.XU patent/CN219908623U/en active Active
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