CN217105206U - Improved structure of rectangular underground passage - Google Patents
Improved structure of rectangular underground passage Download PDFInfo
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- CN217105206U CN217105206U CN202121987008.3U CN202121987008U CN217105206U CN 217105206 U CN217105206 U CN 217105206U CN 202121987008 U CN202121987008 U CN 202121987008U CN 217105206 U CN217105206 U CN 217105206U
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- bottom plate
- rib
- support
- side wall
- underground passage
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Abstract
The utility model discloses a rectangle underpass improvement structure, including roof, bottom plate and side wall, roof, bottom plate and side wall constitute rectangular frame structure, and the both sides of bottom plate are provided with bottom plate broadening section, and bottom plate broadening section salient is in the side wall setting, and bottom plate broadening section is the same with the bottom plate thickness to the upper and lower surface of bottom plate is flat mutually with the upper and lower surface of bottom plate broadening section respectively. The utility model discloses on the unchangeable basis of underpass rectangle section size, increase the width of bottom plate through setting up bottom plate broadening section, use former side wall position as the basic point promptly, the bottom plate both ends outwards expand certain width respectively, form a "ware" style of calligraphy frame construction, the relative bottom plate of side wall position moves in, the moment of flexure that makes the bottom plate of side wall position department and the moment of flexure value that the bottom plate strides in have reduced, both kept the advantage that underpass rectangle section utilization ratio is high, the atress condition of frame construction bottom plate has still been improved simultaneously, make overall structure more reliable.
Description
Technical Field
The utility model relates to an underpass technical field especially relates to a rectangle underpass improvement structure.
Background
China is carrying out extensive subway engineering construction, relate to various pedestrian underground passage engineering, underground passage is the rectangle closed structure most often used, at present, well-known rectangle closed structure is the roof, bottom plate and side wall all adopt reinforced concrete monolithic pouring to form, the both ends of roof and bottom plate are connected with the side wall, form closed rectangular frame structure, rectangle closed frame structure has the advantage that the section utilization ratio is high, but the bottom plate atress performance is relatively poor, especially the moment of flexure in the bottom plate is striden is great, cause the bottom plate concrete crack accident easily, so need to improve current rectangular frame's structure urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to avoid prior art's weak point, provide a rectangle underpass improvement structure to effectively solve the weak point that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a rectangle underpass improvement structure, includes roof, bottom plate and side wall, roof, bottom plate and side wall constitute rectangular frame structure, the both sides of bottom plate are provided with bottom plate broadening section, and bottom plate broadening section salient is set up in the side wall, and bottom plate broadening section is the same with the thickness of bottom plate to the upper and lower surface of bottom plate is flat mutually with the upper and lower surface of bottom plate broadening section respectively.
Further, the width of the bottom plate widening section is 0.03-0.08 times the width of the bottom plate.
Further, the width of the bottom plate widening section is 0.05 times the width of the bottom plate.
Further, a top support and a side support are respectively arranged in the top plate and the side walls.
Further, the top support comprises a first horizontal support rib, a second horizontal support rib and a plurality of first inclined support ribs arranged between the first horizontal support rib and the second horizontal support rib, the first inclined support ribs are sequentially connected end to end and matched with the first horizontal support rib and the second horizontal support rib to form a plurality of triangular support structures which are arranged in a staggered mode, the lateral support comprises a first vertical support rib, a second vertical support rib and a plurality of second inclined support ribs arranged between the first vertical support rib and the second vertical support rib, and the second inclined support ribs are sequentially connected end to end and matched with the first vertical support rib and the second vertical support rib to form a plurality of triangular support structures which are arranged in a staggered mode.
Furthermore, the end part of the first horizontal support rib is fixedly connected with the end part of the first vertical support rib, and the end part of the second horizontal support rib is fixedly connected with the end part of the second vertical support rib.
Furthermore, the first oblique supporting rib and the second oblique supporting rib which are positioned at the end parts are fixedly connected with the connecting parts of the first horizontal supporting rib and the first vertical supporting rib.
Furthermore, the top support and the side supports are uniformly arranged along the length direction of the underground passage structure at intervals, the middle parts of the first inclined support ribs on the adjacent top supports are fixedly connected through the first longitudinal connecting ribs, and the middle parts of the second inclined support ribs on the adjacent side supports are fixedly connected through the second longitudinal connecting ribs.
The above technical scheme of the utility model following beneficial effect has: the utility model discloses on the unchangeable basis of underpass rectangle section size, increase the width of bottom plate through setting up bottom plate broadening section, use former side wall position as the basic point promptly, the bottom plate both ends outwards augment certain width respectively, form a "ware" style of calligraphy frame construction, the relative bottom plate of side wall position moves in, the moment of flexure that makes the bottom plate of side wall position department and the moment of flexure value that the bottom plate strides in all reduced, both kept the advantage that underpass rectangle section utilization ratio is high, the atress condition of frame construction bottom plate has still been improved simultaneously, make overall structure more reliable, the condition of bottom plate concrete cracking is avoided appearing.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, the improved structure of the rectangular underground passage according to the embodiment includes a top plate 1, a bottom plate 2 and side walls 3 formed by pouring concrete, the top plate 1, the bottom plate 2 and the side walls 3 form a rectangular frame structure, bottom plate widening sections 4 are arranged on two sides of the bottom plate 2, the bottom plate widening sections 4 protrude from the side walls 3, the thickness of the bottom plate widening sections 4 is the same as that of the bottom plate 2, and the upper and lower surfaces of the bottom plate 2 are respectively flush with the upper and lower surfaces of the bottom plate widening sections 4.
The top plate 1, the bottom plate 2, the side walls 3 and the bottom plate widening sections 4 are formed by pouring concrete.
The utility model discloses on the unchangeable basis of underpass rectangle section size, increase the width of bottom plate through setting up bottom plate broadening section, use former side wall position as the basic point promptly, the bottom plate both ends outwards augment certain width respectively, form a "ware" style of calligraphy frame construction, the relative bottom plate of side wall position moves in, the moment of flexure that makes the bottom plate of side wall position department and the moment of flexure value that the bottom plate strides in all reduced, both kept the advantage that underpass rectangle section utilization ratio is high, the atress condition of frame construction bottom plate has still been improved simultaneously, make overall structure more reliable, the condition of bottom plate concrete cracking is avoided appearing.
The width of the soleplate widening section 4 is 0.03-0.08 times the width of the soleplate 2, and preferably, the width of the soleplate widening section 4 is 0.05 times the width of the soleplate 2.
The top plate 1 and the side wall 3 are respectively provided with a top support 5 and a side support 6.
The top support 5 comprises a first horizontal support rib 501, a second horizontal support rib 502 and a plurality of first oblique support ribs 503 arranged between the first horizontal support rib 501 and the second horizontal support rib 502, the first oblique support ribs 503 are sequentially connected end to end and matched with the first horizontal support rib 501 and the second horizontal support rib 502 to form a plurality of triangular support structures which are arranged in a staggered mode, the lateral support 6 comprises a first vertical support rib 601, a second vertical support rib 602 and a plurality of second oblique support ribs 603 arranged between the first vertical support rib 601 and the second vertical support rib 602, and the second oblique support ribs 603 are sequentially connected end to end and matched with the first vertical support rib 601 and the second vertical support rib 602 to form a plurality of triangular support structures which are arranged in a staggered mode.
The end of the first horizontal supporting rib 501 is fixedly connected with the end of the first vertical supporting rib 601, and the end of the second horizontal supporting rib 502 is fixedly connected with the end of the second vertical supporting rib 602.
The first diagonal support rib 503 and the second diagonal support rib 603 at the end portions are fixedly connected with the joints of the first horizontal support rib 501 and the first vertical support rib 601.
The top supports 5 and the side supports 6 are uniformly arranged along the length direction of the underground passage structure at intervals, the middle parts of the first inclined support ribs 503 on the adjacent top supports 5 are fixedly connected through first longitudinal connecting ribs 504, and the middle parts of the second inclined support ribs 603 on the adjacent side supports 6 are fixedly connected through second longitudinal connecting ribs 604.
In this embodiment, the joints of all the ribs are fixedly connected by welding.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides a rectangle underpass improvement structure, includes roof, bottom plate and side wall, roof, bottom plate and side wall constitute rectangular frame structure, its characterized in that: the bottom plate widening sections are arranged on two sides of the bottom plate and protrude out of the side walls, the thickness of the bottom plate widening sections is the same as that of the bottom plate, and the upper surface and the lower surface of the bottom plate are respectively level to the upper surface and the lower surface of the bottom plate widening sections.
2. The improved structure of rectangular underground passage as claimed in claim 1, wherein: the width of the base plate widening section is 0.03-0.08 times of the width of the base plate.
3. The improved structure of rectangular underground passage as claimed in claim 2, wherein: the width of the bottom plate widening section is 0.05 times of the width of the bottom plate.
4. The improved structure of rectangular underground passage as claimed in claim 1, wherein: and a top support and a side support are respectively arranged in the top plate and the side wall.
5. The improved structure of rectangular underground passage as claimed in claim 4, wherein: the top support comprises a first horizontal support rib, a second horizontal support rib and a plurality of first inclined support ribs arranged between the first horizontal support rib and the second horizontal support rib, the first inclined support ribs are sequentially connected end to end and matched with the first horizontal support rib and the second horizontal support rib to form a plurality of triangular support structures which are arranged in a staggered mode, the lateral support comprises a first vertical support rib, a second vertical support rib and a plurality of second inclined support ribs arranged between the first vertical support rib and the second vertical support rib, and the second inclined support ribs are sequentially connected end to end and matched with the first vertical support rib and the second vertical support rib to form a plurality of triangular support structures which are arranged in a staggered mode.
6. The improved structure of rectangular underground passage as claimed in claim 5, wherein: the end part of the first horizontal supporting rib is fixedly connected with the end part of the first vertical supporting rib, and the end part of the second horizontal supporting rib is fixedly connected with the end part of the second vertical supporting rib.
7. The improved structure of rectangular underground passage as claimed in claim 6, wherein: the first oblique supporting rib and the second oblique supporting rib positioned at the end parts are fixedly connected with the connecting parts of the first horizontal supporting rib and the first vertical supporting rib.
8. The improved structure of rectangular underground passage as claimed in claim 5, wherein: the top support and the side supports are uniformly arranged along the length direction of the underground passage structure at intervals, the middle parts of first inclined support ribs on the adjacent top supports are fixedly connected through first longitudinal connecting ribs, and the middle parts of second inclined support ribs on the adjacent side supports are fixedly connected through second longitudinal connecting ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121987008.3U CN217105206U (en) | 2021-08-23 | 2021-08-23 | Improved structure of rectangular underground passage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121987008.3U CN217105206U (en) | 2021-08-23 | 2021-08-23 | Improved structure of rectangular underground passage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217105206U true CN217105206U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121987008.3U Active CN217105206U (en) | 2021-08-23 | 2021-08-23 | Improved structure of rectangular underground passage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217105206U (en) |
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2021
- 2021-08-23 CN CN202121987008.3U patent/CN217105206U/en active Active
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