CN210564559U - Steel arc plate for connecting cast-in-place platform and prefabricated duct piece in shield tunnel - Google Patents
Steel arc plate for connecting cast-in-place platform and prefabricated duct piece in shield tunnel Download PDFInfo
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- CN210564559U CN210564559U CN201921157848.XU CN201921157848U CN210564559U CN 210564559 U CN210564559 U CN 210564559U CN 201921157848 U CN201921157848 U CN 201921157848U CN 210564559 U CN210564559 U CN 210564559U
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Abstract
The utility model discloses a steel otic placode that is used for shield tunnel in-connection cast-in-place platform and prefabricated section of jurisdiction, including the arc steel sheet, connecting reinforcement and auricle, the radian and the prefabricated shield of arc steel sheet construct section of jurisdiction design radian and agree with mutually, the auricle welds in the border position of arc steel sheet, it has the hole to reserve on the auricle, the hole position and the shield construct the vertical curved bolt position one-to-one on the section of jurisdiction, connecting reinforcement sets up at the arc steel sheet inboardly, welds with the arc steel sheet is perpendicular, the auricle hole passes the vertical curved bolt between adjacent shield structure section of jurisdiction to connect the fastening through the nut. The utility model discloses when using, unscrew the vertical curved nut that is used for connecting adjacent shield structure section of jurisdiction in the platform construction scope, closely laminate the steel arc board on the shield structure section of jurisdiction, penetrate the steel ear plate with vertical curved bolt and reserve in the hole and screw up the nut in, accomplish the installation of steel arc board promptly, the use of steel arc board has realized in the shield tunnel cast-in-place platform and has reliably been connected with the effective of prefabricated section of jurisdiction.
Description
Technical Field
The utility model belongs to the technical field of the shield tunnel construction, concretely relates to steel arc board that is used for shield tunnel in-connection cast-in-place platform and prefabricated section of jurisdiction.
Background
In recent years, the construction of urban underground spaces is rapidly developed, and as an important infrastructure civil engineering, the construction of urban underground comprehensive pipe galleries is vigorous and prosperous. Underground pipelines on the ground in old urban areas are densely laid, zipper road phenomena occur frequently, and requirements for pipe gallery construction are most urgent. However, the construction of old cities is mature, the construction site is narrow, the traffic flow is large, the pipelines are complicated, and the construction difficulty of pipe corridors is large. The shield process has little influence on the existing topography and landform, the existing pipelines, buildings and structures of the city, does not influence the traffic, and can be used as an effective way for constructing a pipe gallery under the narrow field condition. However, most of the utility tunnels are designed in a multi-cabin mode, the construction cost and the construction cost are considered, when the underground utility tunnel is constructed by a shield method, the cabin division is often required in a single shield tunnel, how to realize the partition wall construction in the cabin division of the prefabricated segment tunnel is a difficult point and has no reference experience, and the important point is to ensure the effective and reliable connection of the cast-in-place platform and the prefabricated shield segments.
Disclosure of Invention
In order to overcome the problem that cast-in-place platform and prefabricated shield construct the section of jurisdiction and be connected the difficulty among the prior art, the utility model provides a steel arc plate for shield tunnel in-connection cast-in-place platform and prefabricated section of jurisdiction can realize the effective reliable connection of cast-in-place platform and prefabricated section of jurisdiction in the shield tunnel, has solved the technical problem of shield tunnel inside cast-in-place structure construction difficulty.
The utility model discloses a following technical scheme realizes above-mentioned purpose, a steel arc plate that is used for shield tunnel in-connection cast-in-place platform and prefabricated section of jurisdiction, including arc steel sheet, connecting reinforcement and auricle board, the radian of arc steel sheet agrees with prefabricated shield section of jurisdiction design radian mutually, the auricle board welds in the border position of arc steel sheet, reserves the hole on the auricle board, and the hole position corresponds one-to-one with the vertical curved bolt position on the shield section of jurisdiction, connecting reinforcement sets up in the arc steel sheet inboard, welds with the arc steel sheet is perpendicular.
The steel arc plate for connecting the cast-in-place platform and the prefabricated duct piece in the shield tunnel is characterized in that the arc steel plate, the connecting reinforcing steel bars and the steel ear plates are all connected in a full-welding mode.
The steel arc plate for connecting the cast-in-place platform and the prefabricated pipe pieces in the shield tunnel is characterized in that the steel arc plate is used for connecting the cast-in-place platform and the prefabricated pipe pieces, and the holes of the steel ear plates penetrate through longitudinal bent bolts between adjacent shield pipe pieces and are connected and fastened through nuts.
The utility model provides a steel arc plate that is used for shield tunnel in-connection cast-in-place platform and prefabricated section of jurisdiction when specifically using, mainly accomplishes being connected of cast-in-place platform and prefabricated section of jurisdiction through following step, carries out the inside cast-in-place structure construction of shield tunnel:
s1: determining the size of an arc-shaped steel plate according to the size of a platform, processing and manufacturing the arc-shaped steel plate, matching the radian of the arc-shaped steel plate with the design radian of a prefabricated shield segment, enabling the diameter of a reserved hole of a steel lug plate to be the same as that of a longitudinal bent bolt, enabling the positions to be in one-to-one correspondence, vertically welding connecting steel bars with the arc-shaped steel plate, and connecting the connecting steel bars, the steel lug plate and the arc-shaped steel plate through;
s2: when the steel arc plate is installed, firstly, a nut used for connecting adjacent shield segments in the construction range of the platform is unscrewed, the steel arc plate is tightly attached to the shield segments, a longitudinal bent bolt penetrates through a reserved hole of the steel ear plate, and the nut is screwed again to complete the installation of the steel arc plate;
s3: binding a platform steel bar, and reliably connecting the platform steel bar with a connecting steel bar on the steel arc plate;
s4: and (5) erecting a platform template and pouring concrete.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can reach following beneficial effect: the utility model relates to a steel arc plate for shield tunnel in-connection cast-in-place platform and prefabricated section of jurisdiction simple structure, maneuverability is strong, can realize effectively reliably being connected of cast-in-place platform and prefabricated section of jurisdiction in the shield tunnel, has solved the technical problem of shield tunnel inside cast-in-place structure construction difficulty.
Drawings
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a front view of a steel arc plate for connecting a cast-in-place platform and a prefabricated duct piece in a shield tunnel according to the present invention;
fig. 2 is a top view of a steel arc plate for connecting a cast-in-place platform and a prefabricated segment in a shield tunnel according to the present invention;
FIG. 3 is an axial side view of a steel arc plate for connecting a cast-in-place platform and a prefabricated segment in a shield tunnel according to the present invention;
FIG. 4 is a schematic view of the overall structure of the shield tunnel in which the installation of the pipe gallery compartment mid-partition wall ground platform is completed;
FIG. 5 is a schematic diagram of the completion of the installation of a partition wall ground platform in a pipe gallery subdivision in a shield tunnel;
in the figure: the method comprises the following steps of 1-arc-shaped steel plate, 2-connecting steel bars, 3-steel ear plates, 4-shield segments, 5-longitudinal bent bolts, 6-nuts and 7-ground platform steel bars.
Detailed Description
As shown in fig. 1 to fig. 3, the utility model relates to a main view that is used for shield tunnel in-connection cast-in-place platform and the steel arc plate of prefabricated section of jurisdiction, plan view and axle side view, including arc steel sheet 1, connecting reinforcement 2 and steel ear plate 3, arc steel sheet 1's radian agrees with the design radian of prefabricated shield section of jurisdiction 4 mutually, steel ear plate 3 welds in arc steel sheet 1's border position, reserve the hole on the steel ear plate 3, hole position and the shield construct 5 position one-to-ones of longitudinal bending bolt on the section of jurisdiction 4, connecting reinforcement 2 sets up at 1 inboard of arc steel sheet, with 1 vertical welding of arc steel sheet, arc steel sheet 1, all adopt full-length welding to connect between connecting reinforcement 2 and the steel ear plate 3, 3 holes of steel ear plate pass the longitudinal bending bolt 5 between adjacent shield section of jurisdiction 4, and connect the fastening with nut 6.
The utility model discloses when specifically using, mainly accomplish cast-in-place platform and being connected of prefabricated section of jurisdiction through following step, carry out the construction of the inside cast-in-place structure of shield tunnel:
the method comprises the following steps: determining the size of an arc-shaped steel plate 1 according to the size of a platform, processing and manufacturing, matching the radian of the arc-shaped steel plate 1 with the design radian of a prefabricated shield segment 4, enabling the diameter of a reserved hole of a steel ear plate 3 to be the same as that of a longitudinal bent bolt 5, enabling the positions to be in one-to-one correspondence, vertically welding a connecting steel bar 2 and the arc-shaped steel plate 1, and enabling the connecting steel bar 2, the steel ear plate 3 and the arc-shaped steel plate 1 to be in full-weld;
step two: when the steel arc plates are installed, firstly, nuts 6 used for connecting adjacent shield segment 4 in the construction range of the platform are unscrewed, the steel arc plates are tightly attached to the shield segment 4, longitudinal bent bolts 5 penetrate through reserved holes of the steel ear plates 3, the nuts 6 are screwed again, and the installation of the steel arc plates is completed, as shown in fig. 4, the steel arc plates are an integral structural schematic diagram of the installation completion of the partition wall platform in the pipe gallery subdivision in the shield tunnel;
step three: binding a platform steel bar 7, and reliably connecting the platform steel bar 7 with a connecting steel bar 2 on a steel arc plate, as shown in fig. 5, wherein the platform steel bar is a schematic diagram of the installation completion of a partition wall platform in a pipe gallery subdivision in a shield tunnel;
step four: and (5) erecting a platform template and pouring concrete.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (3)
1. The utility model provides a steel arc plate that is used for cast-in-place platform of shield tunnel in-connection and prefabricated section of jurisdiction, includes arc steel sheet (1), connecting reinforcement (2) and steel otic placode (3), its characterized in that: the radian of arc steel sheet (1) agrees with prefabricated shield section of jurisdiction (4) design radian mutually, trundle (3) weld in the border position of arc steel sheet (1), reserve the hole on trundle (3), and vertical bent bolt (5) position one-to-one on hole position and the shield section of jurisdiction (4), connecting reinforcement (2) set up in arc steel sheet (1) inboard, with arc steel sheet (1) vertical welding.
2. The steel arc plate for connecting the cast-in-place ground platform and the prefabricated segment in the shield tunnel according to claim 1, wherein: arc steel sheet (1), connecting reinforcement (2) and steel ear plate (3) all adopt full weld to connect.
3. The steel arc plate for connecting the cast-in-place ground platform and the prefabricated segment in the shield tunnel according to claim 2, wherein: the holes of the steel ear plates (3) penetrate through longitudinal bent bolts (5) between adjacent shield segments (4) and are connected and fastened through nuts (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921157848.XU CN210564559U (en) | 2019-07-23 | 2019-07-23 | Steel arc plate for connecting cast-in-place platform and prefabricated duct piece in shield tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921157848.XU CN210564559U (en) | 2019-07-23 | 2019-07-23 | Steel arc plate for connecting cast-in-place platform and prefabricated duct piece in shield tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210564559U true CN210564559U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921157848.XU Active CN210564559U (en) | 2019-07-23 | 2019-07-23 | Steel arc plate for connecting cast-in-place platform and prefabricated duct piece in shield tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210564559U (en) |
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2019
- 2019-07-23 CN CN201921157848.XU patent/CN210564559U/en active Active
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