CN210420839U - Ramp bridge steel bar structure - Google Patents
Ramp bridge steel bar structure Download PDFInfo
- Publication number
- CN210420839U CN210420839U CN201921112983.2U CN201921112983U CN210420839U CN 210420839 U CN210420839 U CN 210420839U CN 201921112983 U CN201921112983 U CN 201921112983U CN 210420839 U CN210420839 U CN 210420839U
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- CN
- China
- Prior art keywords
- steel bars
- rib
- reinforcing steel
- steel bar
- ribs
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 43
- 239000010959 steel Substances 0.000 title claims abstract description 43
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 30
- 210000003205 muscle Anatomy 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 abstract description 14
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 3
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Reinforcement Elements For Buildings (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a ramp bridge steel bar structure, including bottom plate reinforcing bar, roof reinforcing bar and web reinforcing bar. The bottom plate reinforcing steel bars and the top plate reinforcing steel bars respectively comprise bottom reinforcing steel bars and top reinforcing steel bars which are arranged close to the outer side of the main body structure, and distribution reinforcing steel bars which are arranged close to the cavity wall formed by the bottom plate reinforcing steel bars, the top plate reinforcing steel bars and the web plate reinforcing steel bars in an enclosed mode; the top plate steel bars are provided with first diagonal ribs connected with the web steel bars, and the bottom plate steel bars are provided with second diagonal ribs connected with the web steel bars. The device has the advantages of convenient installation and no influence of objective weather conditions.
Description
Technical Field
The utility model relates to a construction field, concretely relates to ramp bridge steel bar structure.
Background
The bridge steel bar engineering belongs to concealed engineering, and the strength, rigidity, bearing capacity, earthquake resistance and other performances of the bridge reinforced concrete structure are directly influenced by the quality of the processing and welding process, the binding and the installation quality.
The ramp bridge is an auxiliary connection road section entering and exiting a main trunk line, and can be a level crossing ramp or an interchange ramp. Also known as approach, is an engineering term that generally refers to a small section of road that provides access for vehicles to and from the main trunk, elevated roads, bridges, platforms, and the like. The ramp is usually accompanied by a gradual change in width at the junction section due to the small traffic demand and the large reduction in width relative to the main line. With the gradual change of the width, the width of the continuous box girder of the ramp bridge is changed.
At present, under the condition that a steel bar binding main beam has curvature in surface construction, site binding is combined with measurement and point placement construction, so that the construction mode is easily influenced by weather to cause delay of a construction period, on the other hand, site construction needs to adjust each curvature point, and the binding speed is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a ramp bridge steel bar structure.
In order to achieve the above object, the utility model adopts the following technical scheme:
the ramp bridge steel bar structure comprises bottom plate steel bars, top plate steel bars and web plate steel bars;
the bottom plate reinforcing steel bars and the top plate reinforcing steel bars respectively comprise bottom reinforcing steel bars and top reinforcing steel bars which are arranged close to the outer side of the main body structure, and distribution reinforcing steel bars which are arranged close to the cavity wall formed by the bottom plate reinforcing steel bars, the top plate reinforcing steel bars and the web plate reinforcing steel bars in an enclosed mode; the top plate steel bars are internally provided with first diagonal ribs connected with the web plate steel bars, and the bottom plate steel bars are internally provided with second diagonal ribs connected with the web plate steel bars;
the top rib is transversely provided with a first transverse distribution rib, a plurality of second transverse distribution ribs are transversely arranged on distribution ribs in the top plate reinforcing steel bars, and the first transverse distribution ribs are connected with the second transverse distribution ribs through first lacing wires;
a third transverse distribution rib is transversely arranged on the bottom rib, a plurality of fourth transverse distribution ribs are transversely arranged on distribution ribs in the bottom plate reinforcing steel bars, and the third transverse distribution rib is connected with the fourth transverse distribution ribs through second tie bars;
the distribution rib is respectively and vertically connected with the first diagonal brace and the second diagonal brace;
a plurality of groups of frameworks are longitudinally distributed in the web steel bars, a plurality of groups of stirrups are evenly sleeved on the frameworks in the transverse direction, and a plurality of steel bars penetrate through the frameworks in the transverse direction.
Preferably, the skeleton includes a pair of skeleton muscle, be equipped with a plurality of ribs and third lacing wire of symmetry between the skeleton muscle, the rib is the zigzag.
Preferably, the hook at the tail end of the stirrup is 90 degrees, and the length of the hook is not less than 10 times of the diameter of the steel bar.
Preferably, the bottom rib, the top rib and the framework rib are all double-steel-bar overlapped arrangement.
The utility model has the advantages that:
1. the efficiency of reinforcement bar binding construction is effectively improved through the prefabricated framework, so that the construction progress is accelerated;
2. compared with on-site binding, the prefabricated framework construction has the advantages that the operation environment is stable in the process, the construction interference is small, and the quality of finished products is better controlled;
3. the prefabricated framework is not influenced by construction conditions, the construction of the prefabricated framework can still be carried out in advance under the condition that the construction site cannot operate due to natural factors, the limitation of objective conditions of the construction site is avoided, and the construction efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the frame;
FIG. 3 is a schematic structural view of a stirrup;
fig. 4 is a schematic plan view of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.
Example 1
As shown in FIGS. 1-4, the ramp bridge steel bar structure comprises a bottom plate steel bar, a top plate steel bar and a web plate steel bar. Bottom plate reinforcing bar and roof reinforcing bar are respectively including setting up at the end muscle 1 and the top muscle 2 that are close to the major structure outside to and set up and be close to bottom plate reinforcing bar, roof reinforcing bar and the distribution muscle 3 that the web reinforcing bar encloses into the cavity wall. Be equipped with in the roof reinforcing bar with web steel bar connection's first diagonal brace 5, be equipped with in the bottom plate reinforcing bar with web steel bar connection's second diagonal brace 501, the intensity of case roof beam cavity box corner is guaranteed to the diagonal brace, has avoided local stress's concentration.
Transversely be equipped with first transverse distribution muscle 201 on the top muscle 2, transversely be equipped with a plurality of second transverse distribution muscle 203 on the distribution muscle 3 in the roof reinforcing bar, first transverse distribution muscle 201 is connected with second transverse distribution muscle 203 through first lacing wire 202.
The bottom rib 1 is transversely provided with a third transverse distribution rib 101, the distribution ribs 3 in the bottom plate reinforcing steel bars are transversely provided with a plurality of fourth transverse distribution ribs 103, and the third transverse distribution rib 101 is connected with the fourth transverse distribution ribs 103 through a second lacing wire 102.
First oblique brace 5 and second oblique brace 501 and adjacent distribution muscle 3 reciprocal anchorage, distribution muscle 3 is the vertically respectively and is connected with first oblique brace 5 and second oblique brace 501, guarantees that first oblique brace 5 and second oblique brace 501 are connected with overall steel bar structure's firm.
Longitudinal distribution has a plurality of groups of frameworks 4 in the web reinforcing bar, and the even cover in the horizontal of skeleton 4 is equipped with a plurality of groups of stirrup 401, and it has a plurality of rod irons 404 to transversely run through on the skeleton 4, and the rod iron 404 is convenient for hoist and mount, also avoids the local reinforcing bar in the skeleton 4 impaired. The framework 4 is integrally designed, so that the integral processing and the integral movement at places except the building position are facilitated. In the construction of the ramp bridge, the width of a connection section with a trunk line is gradually changed, and the width of a continuous box girder of the ramp bridge is also changed. The framework 4 is integrally designed, so that independent processing in construction is facilitated, on one hand, limitation of installation site conditions is avoided, on the other hand, the change of the distance between the frameworks 4 caused by the change of the width of the box girder is more conveniently and integrally controlled, and therefore the trouble that curvature control needs to be carried out on each reinforcing steel bar in construction is avoided.
The framework 4 comprises a pair of framework ribs 402, a plurality of ribs 403 and a third tie bar 405 are symmetrically arranged between the framework ribs 402, and the ribs 403 are Z-shaped. The ribs 403 are welded between the framework ribs 402 to improve the toughness and the contraction elasticity of the framework ribs 402. And meanwhile, the framework 4 is prevented from being loosened in the hoisting and transferring process.
The hook at the tail end of the stirrup 401 is 90 degrees, and the length of the hook is not less than 10 times of the diameter of the steel bar. When the framework 4 is vibrated, the stirrups 401 can still keep the stability of the framework 4, so that the framework 4 is not separated, and the shock resistance coefficient of the ramp bridge is improved.
Bottom muscle 1, top muscle 2 and skeleton muscle 402 are two reinforcing bars stack setting, further increase of strength.
Claims (4)
1. The utility model provides a ramp bridge steel bar structure which characterized in that: the steel bar comprises a bottom plate steel bar, a top plate steel bar and a web plate steel bar;
the bottom plate reinforcing steel bars and the top plate reinforcing steel bars respectively comprise bottom reinforcing steel bars (1) and top reinforcing steel bars (2) which are arranged close to the outer side of the main body structure, and distribution reinforcing steel bars (3) which are arranged close to the cavity wall formed by the bottom plate reinforcing steel bars, the top plate reinforcing steel bars and the web plate reinforcing steel bars in a surrounding mode; a first diagonal brace (5) connected with the web plate steel bar is arranged in the top plate steel bar, and a second diagonal brace (501) connected with the web plate steel bar is arranged in the bottom plate steel bar;
a first transverse distribution rib (201) is transversely arranged on the top rib (2), a plurality of second transverse distribution ribs (203) are transversely arranged on the distribution ribs (3) in the top plate reinforcing steel bars, and the first transverse distribution rib (201) is connected with the second transverse distribution ribs (203) through a first lacing wire (202);
a third transverse distribution rib (101) is transversely arranged on the bottom rib (1), a plurality of fourth transverse distribution ribs (103) are transversely arranged on the distribution ribs (3) in the bottom plate reinforcing steel bars, and the third transverse distribution rib (101) is connected with the fourth transverse distribution ribs (103) through a second lacing wire (102);
the distribution rib (3) is respectively and vertically connected with the first diagonal brace (5) and the second diagonal brace (501);
a plurality of groups of frameworks (4) are longitudinally distributed in the web steel bars, a plurality of groups of stirrups (401) are evenly sleeved on the frameworks (4) in the transverse direction, and a plurality of steel bars (404) transversely penetrate through the frameworks (4).
2. The ramp bridge rebar structure of claim 1, wherein: skeleton (4) are including a pair of skeleton muscle (402), be equipped with a plurality of ribs (403) and third lacing wire (405) of symmetry between skeleton muscle (402), rib (403) are the zigzag.
3. The ramp bridge rebar structure of claim 1, wherein: the hook at the tail end of the stirrup (401) is 90 degrees, and the length of the hook is not less than 10 times of the diameter of the steel bar.
4. The ramp bridge rebar structure of claim 2, wherein: the bottom rib (1), the top rib (2) and the framework rib (402) are all arranged by overlapping double steel bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921112983.2U CN210420839U (en) | 2019-07-16 | 2019-07-16 | Ramp bridge steel bar structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921112983.2U CN210420839U (en) | 2019-07-16 | 2019-07-16 | Ramp bridge steel bar structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210420839U true CN210420839U (en) | 2020-04-28 |
Family
ID=70380988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921112983.2U Withdrawn - After Issue CN210420839U (en) | 2019-07-16 | 2019-07-16 | Ramp bridge steel bar structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210420839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344316A (en) * | 2019-07-16 | 2019-10-18 | 中铁建设集团有限公司 | A kind of ramp bridge bar construction and its construction method |
-
2019
- 2019-07-16 CN CN201921112983.2U patent/CN210420839U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344316A (en) * | 2019-07-16 | 2019-10-18 | 中铁建设集团有限公司 | A kind of ramp bridge bar construction and its construction method |
| CN110344316B (en) * | 2019-07-16 | 2024-03-26 | 中铁建设集团有限公司 | Ramp bridge steel bar structure and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201010 Address after: 100040 No. 20, Shijingshan Road, Beijing, Shijingshan District Patentee after: CHINA RAILWAY CONSTRUCTION GROUP Co.,Ltd. Patentee after: China Railway Construction Group Infrastructure Construction Co.,Ltd. Address before: 100040 No. 20, Shijingshan Road, Beijing, Shijingshan District Patentee before: CHINA RAILWAY CONSTRUCTION GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200428 Effective date of abandoning: 20240326 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200428 Effective date of abandoning: 20240326 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |