CN210217751U - Steel-concrete combined duct piece - Google Patents
Steel-concrete combined duct piece Download PDFInfo
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- CN210217751U CN210217751U CN201921145883.XU CN201921145883U CN210217751U CN 210217751 U CN210217751 U CN 210217751U CN 201921145883 U CN201921145883 U CN 201921145883U CN 210217751 U CN210217751 U CN 210217751U
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Abstract
The utility model provides a reinforced concrete combination section of jurisdiction belongs to building material technical field, be in including base member, setting the bottom surface board and the setting of base member bottom are in the side of base member and with set firmly the side board of bottom surface board border, the inside of base member still is provided with and is used for strengthening the reinforcing bar cage of base member intensity. The strength of the base body is enhanced through the arrangement of the accommodating box and the reinforcing steel bar cage, the thickness of the pipe body can be reduced when the pipe body reaches the specified load strength, and the weight of the pipe body is lighter. The utility model discloses reinforced concrete combination section of jurisdiction. Further enhancement is carried out to the intensity of base member through setting up bottom surface board and side board in the base member outside, and the bottom surface board can reduce reinforced concrete's quantity with the setting of side board, and the thickness that can greatly reduced section of jurisdiction makes the body whole more light, makes the installation and the transportation of section of jurisdiction more convenient.
Description
Technical Field
The utility model belongs to the technical field of building material, specifically speaking relates to a reinforced concrete combination section of jurisdiction.
Background
With the development of economy and the increase of national infrastructure, the construction of underground spaces with large sections such as subways is more and more, the subway tunnel is generally constructed by adopting a shield, shield segments are main assembly members of shield construction, the innermost barrier of the tunnel plays a role in resisting soil pressure and some special loads, and the shield segments are permanent lining structures of the shield-method tunnel, are directly related to the overall quality and safety of the tunnel, and influence the waterproof performance and durability of the tunnel. But traditional shield constructs the section of jurisdiction and generally is reinforced concrete structure, in order to bear corresponding pressure, the shield constructs the relatively great weight that the section of jurisdiction generally need make, causes the weight of shield to construct the section of jurisdiction great, and it is great to transportation and construction cost influence.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reinforced concrete combination section of jurisdiction aims at solving the great problem that is difficult to installation and transportation of current shield structure section of jurisdiction weight.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a reinforced concrete combined duct piece, includes the base member, sets up the bottom surface board of base member bottom and set up the side of base member and with set firmly the side board of bottom surface board periphery, the bottom surface board with the side board is constituteed and is used for holding the box that holds of base member, the inside of base member still is provided with and is used for strengthening the reinforcing steel cage of base member intensity.
Furthermore, the side panel is also provided with a fixing hole for connecting and fixing the side panel and the adjacent side panel, and the end surface of the base body close to the side panel is also provided with an arc-shaped through hole communicated with the fixing hole.
Further, the bottom panel is a corrugated steel plate, the side panel is a flat steel plate, and the bottom panel and the side panel are fixed through welding.
Further, the reinforcing steel bar cage comprises a plurality of reinforcing steel bar rings which are positioned inside the accommodating box and are arranged in parallel and a steel bar connecting rod which is arranged between the two reinforcing steel bar rings and is used for connecting and fixing the two reinforcing steel bar rings.
Furthermore, the number of the reinforcing steel bar connecting rods is multiple, and the plurality of reinforcing steel bar connecting rods are uniformly distributed along the circumferential direction of the reinforcing steel bar ring.
Furthermore, the reinforcing steel bar cage comprises a plurality of steel bar supporting frames which are positioned in the accommodating box and arranged in parallel and a steel bar connecting rod which is arranged between the two steel bar supporting frames and used for connecting and fixing the two steel bar supporting frames; one end of the reinforcing steel bar support frame is fixedly arranged on the bottom panel.
Furthermore, the number of the steel bar connecting rods is multiple, and the steel bar connecting rods are uniformly distributed along the circumference direction of the steel bar supporting frame.
Furthermore, the matrix is a hydraulic cementing material, and asbestos fibers are also arranged in the matrix.
The utility model provides a steel-concrete combined duct piece's beneficial effect lies in: compared with the prior art, be provided with the box that holds that comprises bottom panel and side board in the outside of base member to be provided with the reinforcing bar cage in the inside of base member, strengthened the intensity of base member through the setting that holds box and reinforcing bar cage, can reduce the thickness of body when making the body reach regulation load strength, make the weight of body lighter more. The utility model discloses reinforced concrete combination section of jurisdiction. Further enhancement is carried out to the intensity of base member through setting up bottom surface board and side board in the base member outside, and the bottom surface board can reduce reinforced concrete's quantity with the setting of side board, and the thickness that can greatly reduced section of jurisdiction makes the body whole more light, makes the installation and the transportation of section of jurisdiction more convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a reinforced concrete composite segment provided in an embodiment of the present invention;
fig. 2 is a schematic sectional structure view of a reinforced concrete composite segment provided in embodiment 1 of the present invention;
fig. 3 is a schematic cross-sectional structural view of a reinforced concrete composite segment provided in embodiment 2 of the present invention;
fig. 4 is the utility model provides a steel-concrete composite segment's assembly structure sketch map.
In the figure: 1. a substrate; 2. a bottom panel; 3. a side panel; 4. reinforcing a reinforcement cage; 41. a reinforcing bar ring; 42. a reinforcing steel bar support frame; 43. a steel bar connecting rod; 5. a fixing hole; 6. and (4) arc-shaped via holes.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 3 together, the reinforced concrete segment according to the present invention will now be described. Reinforced concrete combination section of jurisdiction, including base member 1, set up in the bottom surface board 2 of 1 bottom of base member and set up in the side of base member 1 and with set firmly side board 3 at 2 circumferences of bottom surface board, bottom surface board 2 and side board 3 constitute and are used for holding the box that holds of base member 1, and the inside of base member 1 still is provided with the reinforcing bar cage 4 that is used for strengthening 1 intensity of base member, and reinforcing bar cage 4 is located the inside of holding the box.
The reinforced concrete combination section of jurisdiction that this embodiment provided, compare with prior art, be provided with the box that holds that comprises bottom surface plate 2 and side board 3 in the outside of base member 1 to be provided with reinforcing bar cage 4 in the inside of base member 1, strengthened the intensity of base member 1 through the setting that holds box and reinforcing bar cage 4, the use that holds the box can greatly reduced reinforced concrete's quantity, can reduce the thickness of body when making the body reach regulation load strength, make the weight of body more light. The utility model discloses reinforced concrete combination section of jurisdiction. Further enhancement is carried out to the intensity of base member 1 through setting up bottom surface board 2 and side board 3 in base member 1 outside, and thickness that can greatly reduced section of jurisdiction can reduce production cost of transportation. The composite segment is formed by integrating steel materials and concrete, and can be thinner under higher water and soil pressure or under the condition of being used for special load parts.
As a specific implementation manner of the reinforced concrete combined duct piece provided by the present invention, please refer to fig. 4 together, the side panel 3 is further provided with a fixing hole 5 for connecting and fixing the side panel 3 and the adjacent side panel 3, and the base body 1 is also provided with an arc via hole 6 communicated with the fixing hole 5. Arc via hole 6 on the base member 1 can constitute a complete arc with the arc via hole 6 on the section of jurisdiction that links to each other, and fixed orifices 5 and setting up of arc via hole 6 can be connected fixedly through the arc bolt when making the section of jurisdiction and linking to each other assemble between the section of jurisdiction. The connection and fixation between the two reinforced concrete combined pipe pieces are simpler and more convenient.
As a specific embodiment of the reinforced concrete segment of the present invention, please refer to fig. 2 and 3, the bottom panel 2 is a corrugated steel plate, the side panel 3 is a flat steel plate, and the bottom panel 2 and the side panel 3 are fixed by welding. Bottom surface board 2 is corrugated steel plate and is located the outside of section of jurisdiction, assembles the top surface that accomplishes back base member 1 each other at the section of jurisdiction and is located the inboard of construction culvert to the inboard is smooth plane and is convenient for operation such as later stage interior decoration installation pendant. The corrugated steel plate has strong deformation resistance, the addition of the corrugated steel can greatly reduce the consumption of reinforced concrete, and the corrugated steel is energy-saving and environment-friendly. Concrete structure attenuate major structure lightweight, be convenient for transportation and construction. And the bottom panel 2 adopts the corrugated steel plate, so that the contact area between the corrugated steel plate and the base body 1 can be increased, the adhesion between the bottom panel 2 and the base body 1 is more firm, and the strength of the pipe body is greatly improved.
As a specific embodiment of the reinforced concrete segment of the present invention, please refer to fig. 1 and 2, the reinforcing steel bar cage 4 includes a plurality of steel bar rings 41 disposed inside the accommodating box and parallel to each other and a steel bar connecting rod 43 disposed between the two steel bar rings 41 for connecting and fixing the two steel bar rings 41. The reinforcing steel bar cage 4 adopts the structure to ensure that the strength of the reinforcing steel bar cage 4 is better, the contact area between the reinforcing steel bar cage 4 and the inside of the base body 1 is larger, the overall strength of the base body 1 is enhanced, and the strength of the pipe piece is stronger.
As a specific embodiment of the reinforced concrete segment of the present invention, please refer to fig. 1 to 2, the number of the plurality of reinforcing rods 43 is plural, and the plurality of reinforcing rods 43 are uniformly distributed along the circumference of the reinforcing ring 41. The reinforcement bar linkage 43 with this arrangement provides better strength to the reinforcement cage 4.
As a specific embodiment of the reinforced concrete composite duct piece provided by the present invention, please refer to fig. 1 and 3, the reinforcing steel bar cage 4 includes a plurality of steel bar supporting frames 42 located inside the accommodating box and arranged in parallel with each other and a steel bar connecting rod 43 arranged between the two steel bar supporting frames 42 for connecting and fixing the two steel bar supporting frames 42; one end of the reinforcing bar support frame 42 is fixedly arranged on the bottom panel 2. The reinforcing steel bar cage 4 adopts the structure to ensure that the strength of the reinforcing steel bar cage 4 is better, the contact area between the reinforcing steel bar cage 4 and the inside of the base body 1 is larger, the overall strength of the base body 1 is enhanced, and the overall strength of the duct piece is better. Optionally, the whole reinforcing steel bar support frame 42 is shaped, and two end parts of the reinforcing steel bar support frame 42 are fixed with the bottom panel 2 through welding; two ends of the steel bar support frame 42 and the bottom panel 2 can also be fixed by bolts, two ends of the steel bar support frame 42 penetrate through the bottom panel 2, and nuts are arranged on the two ends of the steel bar support frame 42 to fix the steel bar support frame 42 and the bottom panel 2.
As a specific embodiment of the reinforced concrete segment of the present invention, please refer to fig. 1 and fig. 3, the number of the plurality of reinforcing bars 43 is plural, and the plurality of reinforcing bars 43 are uniformly distributed along the circumference of the reinforcing bar supporting frame 42. The reinforcement bar linkage 43 with this arrangement provides better strength to the reinforcement cage 4.
As a specific embodiment of the steel-concrete composite segment provided by the present invention, please refer to fig. 1, the matrix 1 is a hydraulic cementing material, and asbestos fiber is further disposed in the matrix 1. The matrix 1 is typically filled with concrete, and asbestos fibres or sand particles may be present in the concrete to increase the strength of the concrete. The matrix 1 is made of hydraulic cementing materials, so that the matrix 1 can be conveniently filled into the containing box, and can be firmly adhered to the bottom panel 2 and the side panels 3 after the matrix 1 is solidified and hardened.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a steel-concrete combination section of jurisdiction which characterized in that: the base body comprises a base body, a bottom panel arranged at the bottom of the base body and side panels arranged on the side faces of the base body and fixedly arranged on the periphery of the bottom panel, wherein the bottom panel and the side panels form an accommodating box for accommodating the base body, and a reinforcing steel bar cage for reinforcing the strength of the base body is further arranged in the base body.
2. The steel-concrete composite duct piece of claim 1, wherein: the side panel is also provided with a fixing hole for connecting and fixing the side panel and the adjacent side panel, and the end surface of the base body close to the side panel is also provided with an arc-shaped through hole communicated with the fixing hole.
3. The steel-concrete composite duct piece of claim 2, wherein: the bottom panel is a corrugated steel plate, the side panel is a flat steel plate, and the bottom panel and the side panel are fixed through welding.
4. The steel-concrete composite duct piece of any one of claims 1 to 3, wherein: the reinforcing steel bar cage comprises a plurality of reinforcing steel bar rings which are positioned in the accommodating box and are arranged in parallel and a reinforcing steel bar connecting rod which is arranged between the two reinforcing steel bar rings and used for connecting and fixing the two reinforcing steel bar rings.
5. The steel-concrete composite duct piece of claim 4, wherein: the number of reinforcing bar connecting rods is a plurality of, a plurality of reinforcing bar connecting rods along the periphery direction evenly distributed of reinforcing bar ring.
6. The steel-concrete composite duct piece of any one of claims 1 to 3, wherein: the reinforcing steel bar cage comprises a plurality of steel bar supporting frames which are positioned in the accommodating box and are arranged in parallel and a steel bar connecting rod which is arranged between the two steel bar supporting frames and is used for connecting and fixing the two steel bar supporting frames; one end of the reinforcing steel bar support frame is fixedly arranged on the bottom panel.
7. The steel-concrete composite duct piece of claim 6, wherein: the number of reinforcing bar connecting rods is a plurality of, and is a plurality of reinforcing bar connecting rods follow steel bar support's week direction evenly distributed.
8. The steel-concrete composite duct piece of any one of claims 1 to 3, wherein: the matrix is a hydraulic cementing material, and asbestos fibers are also arranged in the matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921145883.XU CN210217751U (en) | 2019-07-19 | 2019-07-19 | Steel-concrete combined duct piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921145883.XU CN210217751U (en) | 2019-07-19 | 2019-07-19 | Steel-concrete combined duct piece |
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| Publication Number | Publication Date |
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| CN210217751U true CN210217751U (en) | 2020-03-31 |
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| CN201921145883.XU Active CN210217751U (en) | 2019-07-19 | 2019-07-19 | Steel-concrete combined duct piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447340A (en) * | 2021-06-21 | 2021-09-28 | 上海隧道工程有限公司 | Method for manufacturing shield segment for test |
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2019
- 2019-07-19 CN CN201921145883.XU patent/CN210217751U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447340A (en) * | 2021-06-21 | 2021-09-28 | 上海隧道工程有限公司 | Method for manufacturing shield segment for test |
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