CN109208393B - Track roof beam steel reinforcement cage bolt pre-buried structure - Google Patents
Track roof beam steel reinforcement cage bolt pre-buried structure Download PDFInfo
- Publication number
- CN109208393B CN109208393B CN201811366821.1A CN201811366821A CN109208393B CN 109208393 B CN109208393 B CN 109208393B CN 201811366821 A CN201811366821 A CN 201811366821A CN 109208393 B CN109208393 B CN 109208393B
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- track
- steel
- reinforcement cage
- channel
- bolts
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 144
- 239000010959 steel Substances 0.000 title claims abstract description 144
- 230000002787 reinforcement Effects 0.000 title claims abstract description 52
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000004567 concrete Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 26
- 238000013461 design Methods 0.000 description 4
- 239000004035 construction material Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention relates to a track beam reinforcement cage bolt embedding structure, which comprises a reinforcement cage, wherein a positioning plate is paved on the reinforcement cage, a plurality of penetrating positioning holes are formed in the positioning plate, track bolts are penetrated in the positioning holes, the upper ends of the track bolts are provided with external threads and extend out of the upper surface of the positioning plate to be used for connecting with a track, and the lower ends of the track bolts penetrate through a reinforcement gap of the reinforcement cage and extend into the reinforcement cage to be used for embedding; the track bolt is connected with two nuts through external threads, and the two nuts are respectively positioned above and below the positioning plate and fixedly connected with the positioning plate through opposite screwing. According to the invention, the track bolt is detachably connected with the positioning plate, so that the track bolt is not required to be connected with the steel bars of the steel bar cage, the pre-buried connection construction difficulty of the track bolt is reduced, and the construction efficiency is improved; and the perpendicularity of the track bolts relative to the positioning plate can be conveniently ensured, the relative position size and elevation among the track bolts are improved, and the construction quality is improved.
Description
Technical Field
The invention belongs to the technical field of structural members in buildings, and particularly relates to a track beam reinforcement cage bolt pre-embedding structure.
Background
The track roof beam is reinforced concrete structure, and the vertical pre-buried track bolt that extends of upper surface is used for later stage connection track after the shaping of pouring, and track bolt need satisfy certain altitude position, straightness and relative interval requirement, before pouring the concrete, track bolt carries out pre-buried connection through the operation workman is manual one by one, connects on the reinforcing bar of track roof beam steel reinforcement cage, or connects on the reinforcing bar of steel reinforcement cage indirectly through the angle steel, and the degree of difficulty that the efficiency of construction is low and satisfies the design requirement is big, and construction quality is difficult to guarantee, influences later stage orbital installation quality.
Disclosure of Invention
Aiming at the defects in the prior art, the technical problem to be solved by the invention is to provide the track beam reinforcement cage bolt pre-buried structure, so that the problems of difficult pre-buried connection and position size control of the track bolts are avoided, the construction efficiency is improved, and the construction quality is ensured.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a track roof beam steel reinforcement cage bolt pre-buried structure, includes the steel reinforcement cage, the steel reinforcement cage includes a plurality of longitudinal bars and square stirrup, and the longitudinal bars is set up along the inner circle interval of square stirrup and is enclosed and establish a week, and square stirrup is set up along the length direction interval of longitudinal bars, and the cross contact point of longitudinal bars and square stirrup is all fixed connection in order to form into the steel reinforcement cage; the steel reinforcement cage is paved with a positioning plate, a plurality of penetrating positioning holes are formed in the positioning plate, track bolts penetrate through the positioning holes, the upper ends of the track bolts are provided with external threads and extend out of the upper surface of the positioning plate to be used for connecting with a track, and the lower ends of the track bolts penetrate through steel reinforcement gaps of the steel reinforcement cage to extend into the steel reinforcement cage to be used for embedding; the track bolt is connected with two nuts through external threads, and the two nuts are respectively positioned above and below the positioning plate and fixedly connected with the positioning plate through opposite screwing.
According to the bolt embedding structure, the track bolts and the positioning plates are detachably connected in a butting mode through the two nuts, meanwhile, the perpendicularity of the track bolts relative to the positioning plates is guaranteed, the track bolts keep a vertical upward posture, the relative position sizes among the track bolts are guaranteed through positioning holes which are machined in advance according to the design sizes on the positioning plates, the elevation of the track bolts can be adjusted through the two nuts, the lower ends of the track bolts penetrate through the steel bar gaps of the steel bar cages to extend into the steel bar cages for embedding, connection with the steel bars of the steel bar cages is not needed, embedding connection construction difficulty of the track bolts is greatly reduced, construction efficiency is improved, the elevation and the relative position sizes of the track bolts are conveniently and effectively controlled, and construction quality is guaranteed. When concrete is poured, the locating plate is not built into the track beam, and after the poured concrete is solidified to meet the requirements, the locating plate is detached through the nuts so as to be reused, so that construction materials are saved, and the cost is reduced.
The technical scheme is further perfected, the positioning plate comprises a plurality of channel steel components which are connected with each other in an extending mode along the length direction of the steel reinforcement cage, the channel steel components comprise two channel steels which are arranged in parallel, the length direction of the two channel steels is in the same direction as the length direction of the steel reinforcement cage, webs of the two channel steels are coplanar, the orientations of wing plates are the same, and at least two connecting steel bars are fixedly connected between the two channel steels to form an integral structure and ensure the distance; the positioning holes are formed in webs of the two channel steels and are arranged at intervals along the length direction of the channel steels; the channel steels of two adjacent channel steel assemblies are correspondingly connected in pairs and fixedly connected through connecting pieces.
Therefore, the positioning plate is simple in structure and convenient to manufacture, the arrangement form of the two channel steels and the positioning holes accords with the track connection, and meanwhile, the gap part of the connecting steel bars between the channel steels can facilitate the construction development of the pouring concrete and the tamping process, and the influence on the pouring construction due to the shielding of the positioning plate above the steel bar cage is avoided; the use of the channel steel can also utilize the wing plates with higher heights, so that the auxiliary measure of transverse positioning at the two sides of the channel steel is conveniently realized; each channel steel component forms an independent integral structure, so that construction operations such as moving, splicing and the like in the repeated use process are facilitated, and the efficiency is improved.
Further, the positioning holes arranged on the two channel steels at intervals are in one-to-one correspondence, the axes of the two corresponding positioning holes are positioned on the same cross section, and the lower ends of the track bolts in the two corresponding positioning holes are connected to form a U-shaped structure.
Therefore, the lower ends of the two track bolts on the same cross section are connected while the track connection is met, the pre-buried strength is improved, and the shearing resistance is enhanced; in practice, the lower ends of the two rail bolts can be welded by using connecting steel bars, or the rail bolts which are bent into a U shape in advance can be used for connecting rails by machining external threads on the two free ends and extending out of the upper surfaces of the rail beams.
Further, the wing plates of the two channel steels face upwards.
Therefore, because the channel steel is used, one nut is required to fall between the two wing plates in the opposite screwing process, the screwing operation of the nut falling between the two wing plates is inconvenient, the wing plates of the channel steel are upward, the socket wrench can be conveniently used for screwing, and the construction difficulty is reduced.
Further, the connecting piece is a connecting steel plate, the length direction of the connecting steel plate and the length direction of the channel steel are in the same direction and are clung to wing plates of the channel steel, two ends of the connecting steel plate are clung to the wing plates of the adjacent channel steel respectively and are bolted through bolts which penetrate through the connecting steel plate and the corresponding wing plates simultaneously, and any one end of the connecting steel plate is bolted through at least two bolts with the corresponding wing plates.
Therefore, the wing plates of the channel steel are used for connection, the bolted bolts and nuts are in a horizontal state, and are not arranged below the web plate, so that the bolting and screwing operation is convenient; the channel steel components are detachably connected through the connecting steel plates, so that the channel steel components are convenient to reuse and move and construct; each end of the connecting steel plate and the corresponding wing plate are bolted through at least two bolts, so that the connecting steel plate is prevented from rotating by taking the bolts as the centers, the straightness of the spliced channel steel assembly is ensured, and the construction quality is ensured.
Compared with the prior art, the invention has the following beneficial effects:
1. the track bolts and the positioning plates are detachably connected and fixed, so that the track bolts are not required to be connected with the steel bars of the steel bar cage, the pre-buried connection construction difficulty of the track bolts is greatly reduced, and the construction efficiency is improved; and conveniently and effectively ensure the perpendicularity of the track bolts relative to the positioning plate, the relative position size and elevation between the track bolts, and the construction quality is ensured.
2. The locating plate can be reused, so that construction materials are saved, and the cost is reduced; the locating plate is simple in structure and convenient to manufacture, and meanwhile, concrete pouring and construction development in the vibration tamping process are facilitated; each channel steel component of the locating plate forms an independent integral structure, and the locating plate is simple to splice and convenient to move, splice and other construction operations in the repeated use process.
3. The design of the U-shaped structure track bolt improves the pre-buried connection strength and enhances the shearing resistance.
Drawings
Fig. 1 is a schematic structural diagram of a track beam reinforcement cage bolt pre-embedding structure according to an embodiment;
FIG. 2-section A-A of FIG. 1;
FIG. 3-schematic illustration of an embodiment when implemented with the addition of auxiliary measures;
The steel reinforcement cage 1, the longitudinal ribs 11, the square stirrups 12, the channel steel component 2, the channel steel 21, the web 211, the positioning holes 212, the wing plates 213, the connecting steel bars 22, the track bolts 3, the nuts 4, the connecting steel plates 5, the bolts 6, the auxiliary steel bars 7 and the auxiliary positioning pieces 8.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
Referring to fig. 1 and fig. 2, a track beam reinforcement cage bolt pre-embedding structure of the embodiment includes a reinforcement cage 1, the reinforcement cage 1 includes a plurality of longitudinal ribs 11 and square stirrups 12, the longitudinal ribs 11 are arranged at intervals along an inner ring of the square stirrups 12 and enclose a circle, the square stirrups 12 are arranged at intervals along a length direction of the longitudinal ribs 11, and intersecting contact points of the longitudinal ribs 11 and the square stirrups 12 are fixedly connected by adopting a binding or welding mode so as to form the reinforcement cage 1; a positioning plate is paved on the reinforcement cage 1, a plurality of penetrating positioning holes 212 are formed in the positioning plate, a track bolt 3 is penetrated in the positioning holes 212, an external thread is arranged at the upper end of the track bolt 3 and extends out of the upper surface of the positioning plate to be used for connecting a track, and the lower end of the track bolt 3 penetrates through a reinforcement gap of the reinforcement cage 1 and extends into the reinforcement cage 1 to be used for embedding; the track bolt 3 is connected with two nuts 4 through external threads thereof, and the two nuts 4 are respectively positioned above and below the positioning plate and fixedly connected with the positioning plate through oppositely screwing.
The positioning plate comprises a plurality of channel steel components 2 which are connected with each other in an extending mode along the length direction of the reinforcement cage 1, the channel steel components 2 comprise two channel steel 21 which are arranged in parallel, the length direction of the two channel steel 21 is the same as the length direction of the reinforcement cage 1, webs 211 of the two channel steel 21 are coplanar, wing plates 213 face upwards, and two connecting reinforcing steel bars 22 are fixedly connected between the two channel steel 21 so as to be connected into an integral structure and ensure the distance between the two channel steel 21; the positioning holes 212 are formed in the webs 211 of the two channel steels 21 and are arranged at intervals along the length direction of the channel steels 21; the positioning holes 212 arranged on the two channel steels 21 at intervals are in one-to-one correspondence, the axes of the two corresponding positioning holes 212 are positioned on the same cross section, and the lower ends of the track bolts 3 in the two corresponding positioning holes 212 are connected to form a U-shaped structure. The channel steels 21 of two adjacent channel steel assemblies 2 are correspondingly connected in pairs and fixedly connected through a connecting steel plate 5; the length direction of the connecting steel plate 5 is the same as the length direction of the channel steel 21 and is tightly attached to the wing plates 213 of the channel steel 21, two ends of the connecting steel plate 5 are respectively attached to the wing plates 213 of the adjacent channel steel 21 and are respectively bolted by matching nuts through bolts 6 which simultaneously penetrate through the connecting steel plate 5 and the corresponding wing plates 213, and any one end of the connecting steel plate 5 is bolted by matching nuts with the corresponding wing plates 213 through two bolts 6, so that the wing plates 213 of the channel steel 21 are utilized to connect channel steel components 2, and the bolted bolts 6 and nuts are in a horizontal state and are not below the web plates 211, so that the bolting and screwing operation are convenient; the channel steel components 2 are detachably connected through the connecting steel plates 5, so that the channel steel components are convenient to move; each end of the connecting steel plate 5 and the corresponding wing plate 213 are bolted by two bolts 6 matched with nuts, so that the bolts 6 are prevented from rotating as the center, and the straightness of the spliced channel steel assembly 2 is ensured.
The mode that concrete embodiment's track bolt 3 and the web 211 of channel-section steel 21 are to the top through two nuts 4 can dismantle the connection, make track bolt 3 keep vertical ascending gesture, the relative position size between the track bolt 3 is guaranteed through the locating hole 212 of processing according to the design size on the web 211 of channel-section steel 21 in advance, track bolt 3's elevation also can be adjusted through two nuts 4, track bolt 3's lower extreme is passed in the reinforcement clearance of reinforcement cage 1 and is stretched into in order to be used for pre-buried in the reinforcement cage 1, need not to be connected with the reinforcing bar of reinforcement cage 1, greatly reduced track bolt 3's pre-buried connection construction degree of difficulty, improve the efficiency of construction, track bolt 3's elevation and relative position size are convenient and effectual control, construction quality is guaranteed. When concrete is poured, the channel steel component 2 is not built into the track beam, and after the poured concrete is solidified to meet the requirements, the channel steel 21 is disassembled by loosening the nuts 4 so as to be reused, so that construction materials are saved, and the cost is reduced. The locating plate manufactured by the channel steel 21 is simple in structure and convenient to manufacture, the arrangement form of the two channel steel 21 and the locating hole 212 accords with the track connection, and meanwhile, the gap part of the connection part of the connecting steel bar 22 between the channel steel 21 can facilitate the construction development of the pouring concrete and the tamping process, and the influence on the pouring construction caused by shielding the upper part of the steel reinforcement cage 1 is avoided; each channel steel component 2 forms an independent integral structure, so that construction operations such as moving, splicing and the like in the repeated use process are facilitated, and the efficiency is improved. The lower ends of the two track bolts 3 on the same cross section are connected, so that the pre-buried strength is improved, and the shearing resistance is enhanced; in practice, additional steel bars may be used to make a welded connection at the lower ends of the two rail bolts 3, in this embodiment rail bolts (including two) pre-bent into a U-shape, with external threads machined at the two free ends and extending beyond the upper surface of the rail beam for connection to the rail.
Referring to fig. 3, in order to adjust elevation, levelness or ensure the depth of the concrete covered reinforcement cage, a raised auxiliary reinforcement 7 can be added between the channel steel 21 and the reinforcement cage 1, and in the implementation, the wing plates 213 of the channel steel 21 can be utilized to add the transverse positioning auxiliary positioning pieces 8 on two sides of the channel steel assembly 2 so as to prevent the transverse movement of the channel steel assembly 2.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (1)
1. The utility model provides a track roof beam steel reinforcement cage bolt pre-buried structure, includes the steel reinforcement cage, the steel reinforcement cage includes a plurality of longitudinal bars and square stirrup, and the longitudinal bars is set up along the inner circle interval of square stirrup and is enclosed and establish a week, and square stirrup is set up along the length direction interval of longitudinal bars, and the cross contact point of longitudinal bars and square stirrup is all fixed connection in order to form into the steel reinforcement cage; the method is characterized in that: the steel reinforcement cage is paved with a positioning plate, a plurality of penetrating positioning holes are formed in the positioning plate, track bolts penetrate through the positioning holes, the upper ends of the track bolts are provided with external threads and extend out of the upper surface of the positioning plate to be used for connecting with a track, and the lower ends of the track bolts penetrate through steel reinforcement gaps of the steel reinforcement cage to extend into the steel reinforcement cage to be used for embedding; the track bolt is connected with two nuts through external threads, and the two nuts are respectively positioned above and below the positioning plate and fixedly connected with the positioning plate through opposite screwing;
The positioning plate comprises a plurality of channel steel components which are connected with each other in an extending mode along the length direction of the steel reinforcement cage, the channel steel components comprise two channel steels which are arranged in parallel, the length direction of the two channel steels is the same as the length direction of the steel reinforcement cage, webs of the two channel steels are coplanar, the orientations of wing plates are the same, and at least two connecting steel bars are fixedly connected between the two channel steels to form an integral structure and ensure the distance; the positioning holes are formed in webs of the two channel steels and are arranged at intervals along the length direction of the channel steels; the channel steels of two adjacent channel steel assemblies are correspondingly connected in pairs and fixedly connected through connecting pieces;
when concrete is poured, the channel steel component is not built into the track beam, and after the poured concrete is solidified to meet the requirements, the channel steel is disassembled by loosening nuts so as to be reused;
the positioning holes arranged on the two channel steels at intervals are in one-to-one correspondence, the axes of the two corresponding positioning holes are positioned on the same cross section, and the lower ends of the track bolts in the two corresponding positioning holes are connected to form a U-shaped structure;
the wing plates of the two channel steels are upward;
The connecting piece is a connecting steel plate, the length direction of the connecting steel plate and the length direction of the channel steel are in the same direction and are clung to wing plates of the channel steel, two ends of the connecting steel plate are clung to the wing plates of the adjacent channel steel respectively and are bolted through bolts which penetrate through the connecting steel plate and the corresponding wing plates simultaneously, and at least two bolts are used for bolting any one end of the connecting steel plate and the corresponding wing plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811366821.1A CN109208393B (en) | 2018-11-16 | 2018-11-16 | Track roof beam steel reinforcement cage bolt pre-buried structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811366821.1A CN109208393B (en) | 2018-11-16 | 2018-11-16 | Track roof beam steel reinforcement cage bolt pre-buried structure |
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| Publication Number | Publication Date |
|---|---|
| CN109208393A CN109208393A (en) | 2019-01-15 |
| CN109208393B true CN109208393B (en) | 2024-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811366821.1A Active CN109208393B (en) | 2018-11-16 | 2018-11-16 | Track roof beam steel reinforcement cage bolt pre-buried structure |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109911766A (en) * | 2019-04-23 | 2019-06-21 | 哈尔滨军鼎混凝土制品有限公司佳木斯分公司 | A kind of removable beam of gantry crane automobile-used track |
| CN113585326A (en) * | 2021-08-17 | 2021-11-02 | 广东德泽建设工程有限公司 | Accurate pre-embedding structure and method for foundation anchor bolt of street lamp |
| CN113957757B (en) * | 2021-11-16 | 2024-07-16 | 中国二十冶集团有限公司 | Rail bolt positioning device and rail bolt construction method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209039878U (en) * | 2018-11-16 | 2019-06-28 | 中冶建工集团有限公司 | Track girder steel reinforcement cage bolt embedment structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HK1134632A2 (en) * | 2008-10-28 | 2010-04-30 | Italian Thai Dev Public Co | Precast track plinth |
| US9074473B2 (en) * | 2011-06-07 | 2015-07-07 | Con-Tech Systems Ltd. | Hollow rebar for crosshole sonic logging access tubes and longitudinal concrete reinforcing in drilled shafts |
| CN102979104B (en) * | 2012-12-05 | 2015-01-28 | 中铁七局集团第三工程有限公司 | Ultra-deep hole digging pile construction method |
| CN107829373B (en) * | 2017-11-30 | 2024-01-05 | 中铁八局集团建筑工程有限公司 | High-speed railway bridge deck curtain board does not have prefabricated construction equipment of gasket |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209039878U (en) * | 2018-11-16 | 2019-06-28 | 中冶建工集团有限公司 | Track girder steel reinforcement cage bolt embedment structure |
Non-Patent Citations (1)
| Title |
|---|
| 卢春房.高速铁路建设典型工程 四电工程.中国铁道出版社,2015,(第1版),230-231. * |
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