CN220394607U - Steel-concrete pipe piece suitable for oversized-diameter open caisson - Google Patents
Steel-concrete pipe piece suitable for oversized-diameter open caisson Download PDFInfo
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- CN220394607U CN220394607U CN202321778215.7U CN202321778215U CN220394607U CN 220394607 U CN220394607 U CN 220394607U CN 202321778215 U CN202321778215 U CN 202321778215U CN 220394607 U CN220394607 U CN 220394607U
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- connecting plate
- steel
- longitudinal joint
- longitudinal
- concrete
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- 239000004567 concrete Substances 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 abstract description 12
- 238000005336 cracking Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 238000005253 cladding Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a reinforced concrete pipe piece suitable for an oversized-diameter open caisson, which comprises steel plate pipe pieces, internal concrete, longitudinal joint connecting pieces and circular joint connecting pieces, wherein the internal concrete is filled in a cavity of the steel plate pipe pieces, the longitudinal joint connecting pieces are arranged at longitudinal joints between adjacent steel plate pipe pieces, and the circular joint connecting pieces are arranged at circular joints between the adjacent steel plate pipe pieces. The utility model has the advantages that: the thickness of the open caisson is reduced, and construction difficulties such as construction transportation, hoisting and the like are effectively reduced; the outside of the steel-concrete pipe piece is of a steel structure, so that the water leakage condition of the pipe piece caused by concrete cracking is avoided; compared with the traditional reinforced concrete pipe piece, the friction force of the outer wall of the pipe piece is smaller, so that the sinking problem caused by overlarge side friction resistance of the sinking well can be effectively prevented; the longitudinal joint connecting piece breaks through the limitation of the traditional bolting connection of two segments, connects four segments, improves the surface flatness of the segments, reduces the occurrence of segment staggering, and further reduces the occurrence of the water leakage phenomenon of the segments; and the connection integrity of the open caisson segment is improved.
Description
Technical Field
The utility model relates to a sunk well pipe piece structure, in particular to a steel-concrete pipe piece suitable for an ultra-large diameter sunk well.
Background
With the progress of urban construction, urban construction is continuously developed into the underground. The open caisson has the advantages of high strength, small influence on surrounding environment and the like, and has obvious advantages in the construction of underground spaces in areas such as cities and the like with dense personnel. The deeper the underground space depth, the larger the space plane, the larger the wall thickness of the open caisson, and the greater the construction difficulty for hoisting, transporting and the like of the assembled open caisson segments. Meanwhile, the traditional assembled open caisson is formed by connecting two segments through bolts when the segments are assembled, so that dislocation easily exists, and water leakage is caused by segment circular seams and longitudinal seams.
Therefore, a new open caisson tube sheet structure and connecting members are urgently needed to solve the above problems.
Disclosure of Invention
According to the defects of the prior art, the utility model provides a steel-concrete pipe piece suitable for an oversized-diameter open caisson, which comprises steel plate pipe pieces and internal concrete filled in cavities of the steel-concrete pipe pieces, wherein the adjacent pipe plate pipe pieces are connected through longitudinal joint connectors and circumferential joint connectors, and the integrity is improved.
The utility model is realized by the following technical scheme:
the utility model provides a steel and concrete section of jurisdiction suitable for super large diameter open caisson, its characterized in that steel and concrete section of jurisdiction includes steel sheet section of jurisdiction, inside concrete, longitudinal joint connecting piece and circumferential weld connecting piece, inside concrete pack in the cavity of steel sheet section of jurisdiction, longitudinal joint connecting piece sets up in adjacent longitudinal joint department between the steel sheet section of jurisdiction, the circumferential weld connecting piece sets up in adjacent circumferential weld department between the steel sheet section of jurisdiction.
Bolt holes which are communicated with each other are respectively formed in the outer side surface steel plate and the inner side surface steel plate of the steel plate segment.
The longitudinal joint connecting piece comprises a longitudinal joint inner side connecting plate and a longitudinal joint outer side connecting plate, the longitudinal joint inner side connecting plate is arranged at the inner side longitudinal joint of the adjacent steel plate segments, the longitudinal joint outer side connecting plate is arranged at the outer side longitudinal joint of the adjacent steel plate segments, and the longitudinal joint inner side connecting plate and the longitudinal joint outer side connecting plate are fixed by penetrating bolts.
The circular seam connecting piece comprises a circular seam outer connecting plate and a circular seam inner connecting plate, wherein the circular seam outer connecting plate is arranged at the outer circular seam of the adjacent steel plate segment, the circular seam inner connecting plate is arranged at the inner circular seam of the adjacent steel plate segment, and the circular seam inner connecting plate and the circular seam outer connecting plate are fixed by penetrating bolts.
Longitudinal water stop bars are arranged on two sides of the outer cambered surface of the connecting plate at the inner side of the longitudinal seam, and longitudinal water stop bars are arranged on two sides of the inner cambered surface of the connecting plate at the outer side of the longitudinal seam.
The two ends of the intrados of the connecting plate at the outer side of the circular seam are respectively provided with a transverse water stop bar, and the two ends of the extrados of the connecting plate at the inner side of the circular seam are respectively provided with a transverse water stop bar.
The utility model has the advantages that:
(1) The thickness of the open caisson is reduced, and construction difficulties such as construction transportation, hoisting and the like are effectively reduced;
(2) The outside of the novel steel-concrete pipe piece is of a steel structure, so that the water leakage of the pipe piece caused by concrete cracking is avoided;
(3) Compared with the traditional reinforced concrete pipe piece, the friction force of the outer wall of the pipe piece is smaller, so that the sinking problem caused by overlarge side friction resistance of the sinking well can be effectively prevented;
(4) The longitudinal joint connecting piece breaks through the limitation of the traditional bolting connection of two segments, connects four segments, improves the surface flatness of the segments, reduces the occurrence of segment staggering, and further reduces the occurrence of water leakage caused by segment staggering;
(5) And the connection integrity of the open caisson segment is improved.
Drawings
FIG. 1 is a schematic view of the structure of a reinforced concrete segment according to the present utility model;
FIG. 2 is a schematic view of a connecting plate at the inner side of a circular seam in the utility model;
FIG. 3 is a schematic view of a circular seam outside connection plate of the present utility model;
FIG. 4 is a schematic view of a connecting plate inside a longitudinal seam according to the present utility model;
FIG. 5 is a schematic view of a longitudinal seam outboard web of the present utility model;
fig. 6 is a schematic diagram of splicing of steel pipe segments in the present utility model.
Description of the embodiments
The features of the present utility model and other related features are described in further detail below by way of example in conjunction with the following drawings, to facilitate understanding by those skilled in the art:
as shown in fig. 1-6, the labels in the figures are respectively: the steel plate segment 1, grouting holes 2, bolt holes 3, water stop bars 4, annular seam inner connecting plates 5, water stop bars 6, bolt holes 7, annular seam outer connecting plates 8, water stop bars 9, bolt holes 10, longitudinal seam inner connecting plates 11, bolt holes 12, water stop bars 13, longitudinal seam outer connecting plates 14, bolt holes 15, water stop bars 16, longitudinal seams 17, annular seams 18 and bolts 19.
Examples: as shown in fig. 1-6, the embodiment specifically relates to a reinforced concrete pipe sheet suitable for an oversized diameter open caisson, which comprises a steel pipe sheet 1 and internal concrete, wherein the steel pipe sheet 1 is a hollow cavity in the shape of a steel pipe sheet, the top of the steel pipe sheet is provided with a grouting hole 2, and the internal concrete is filled in the hollow cavity through the grouting hole 2, so that the reinforced concrete pipe sheet is formed. Bolt holes 3 which are mutually communicated are respectively formed in the outer side surface steel plate and the inner code measuring steel plate of the steel plate segment 1.
As shown in fig. 1 to 6, the longitudinal slits 17 between the adjacent steel plate segment 1 are connected by longitudinal slit connecting members, and the circumferential slits 18 between the adjacent steel plate segment 1 are connected by circumferential slit connecting members. Wherein:
as shown in fig. 1, 4, 5 and 6, the longitudinal joint connector comprises a longitudinal joint inner connecting plate 11 and a longitudinal joint outer connecting plate 14; the longitudinal seam inboard connecting plate 11 is used for laying in the longitudinal seam 17 department, and the longitudinal seam inboard connecting plate 11 rides and strides the both sides of longitudinal seam 17, and is provided with sealing strip 13 in the both sides of longitudinal seam inboard connecting plate 11 extrados respectively vertically, and when the longitudinal seam inboard connecting plate 11 was installed in the inboard longitudinal seam 17 department of steel sheet section of jurisdiction 1, two sealing strips 13 can form cladding separation to the longitudinal seam 17 and form the sealing effect, in addition, have seted up a plurality of bolt holes 12 on the longitudinal seam inboard connecting plate 11 for wear to establish bolt 19 and fix. The longitudinal seam outside connecting plate 14 is used for laying in the longitudinal seam 17 department, and the longitudinal seam outside connecting plate 14 rides and strides the both sides of longitudinal seam 17, and is provided with sealing strip 16 in the both sides of longitudinal seam outside connecting plate 14 intrados respectively vertically, and when the longitudinal seam outside connecting plate 14 was installed in the longitudinal seam 17 department in the steel sheet section of jurisdiction 1 outside, two sealing strips 16 can form cladding separation to the longitudinal seam 17 and form the sealing effect, in addition, have seted up a plurality of bolt holes 15 on the longitudinal seam outside connecting plate 14 for wear to establish bolt 19 and fix. In the concrete installation, the bolts 19 form split bolts for fixing the longitudinal seam inner connecting plates 11 and the longitudinal seam outer connecting plates 14 on the two sides of the steel plate segment 1.
As shown in fig. 1, 2, 3 and 6, the circular seam connector comprises a circular seam inner connecting plate 5 and a circular seam outer connecting plate 8. The annular seam inboard connecting plate 5 is laid in annular seam 18 department, and annular seam inboard connecting plate 5 rides the both sides of striding annular seam 18, and is provided with horizontal sealing strip 6 respectively in the front and back both ends of annular seam inboard connecting plate 5 extrados, and when annular seam inboard connecting plate 5 was installed in the annular seam 18 department of steel sheet section of jurisdiction 1 inboard, two sealing strips 6 can form cladding separation to annular seam 18 and form the sealing effect, in addition, have seted up a plurality of bolt holes 7 on annular seam inboard connecting plate 5 for wear to establish bolt 19 and fix. The circular seam outside connecting plate 8 is arranged at the circular seam 18, the circular seam outside connecting plate 8 rides and spans the two sides of the circular seam 18, and transverse water stop strips 9 are respectively arranged at the front end and the rear end of the intrados of the circular seam outside connecting plate 8, when the circular seam outside connecting plate 8 is arranged at the circular seam 18 on the inner side of the steel plate segment 1, the two water stop strips 9 can form cladding and blocking for the circular seam 18 to form a water stop effect, and in addition, a plurality of bolt holes 10 are formed in the circular seam outside connecting plate 8 and are used for fixing through penetrating bolts 19. During specific installation, the bolts 19 are used for fixing the annular seam inner connecting plates 5 and the annular seam outer connecting plates 8 on the two sides of the steel plate segment 1 through split bolts.
As shown in fig. 1, water stop strips 4 are provided on the four side edges of the top surface, the four side edges of the bottom surface, and the four side edges of both side surfaces of the steel plate segment 1, respectively, so that a water stop sealing effect can be formed when the steel plate segment 1 is assembled.
As shown in fig. 1 to 6, the construction method of the steel-concrete segment suitable for the ultra-large diameter open caisson in the embodiment comprises the following steps:
(S1) installation of the steel sheet segment 1 is performed, wherein the outer surface of the steel sheet segment 1 is coated with a waterproof coating.
S2, during construction, firstly hoisting the steel plate segment 1 to a designated position, and carrying out bolt connection and fixation with other segments through circular seam connectors and longitudinal seam connectors;
(S3) casting concrete inside the steel plate segment 1. And after the concrete reaches the specified strength, assembling the lower ring pipe piece.
The beneficial effects of this embodiment are:
(1) The thickness of the open caisson is reduced, and construction difficulties such as construction transportation, hoisting and the like are effectively reduced;
(2) The outside of the novel steel-concrete pipe piece is of a steel structure, so that the water leakage of the pipe piece caused by concrete cracking is avoided;
(3) Compared with the traditional reinforced concrete pipe piece, the friction force of the outer wall of the pipe piece is smaller, so that the sinking problem caused by overlarge side friction resistance of the sinking well can be effectively prevented;
(4) The longitudinal joint connecting piece breaks through the limitation of the traditional bolting connection of two segments, connects four segments, improves the surface flatness of the segments, reduces the occurrence of segment staggering, and further reduces the occurrence of water leakage caused by segment staggering;
(5) And the connection integrity of the open caisson segment is improved.
Claims (6)
1. The utility model provides a steel and concrete section of jurisdiction suitable for super large diameter open caisson, its characterized in that steel and concrete section of jurisdiction includes steel sheet section of jurisdiction, inside concrete, longitudinal joint connecting piece and circumferential weld connecting piece, inside concrete pack in the cavity of steel sheet section of jurisdiction, longitudinal joint connecting piece sets up in adjacent longitudinal joint department between the steel sheet section of jurisdiction, the circumferential weld connecting piece sets up in adjacent circumferential weld department between the steel sheet section of jurisdiction.
2. The steel-concrete pipe sheet suitable for the ultra-large diameter open caisson, according to claim 1, is characterized in that the outer side steel plate and the inner side steel plate of the steel plate pipe sheet are respectively provided with through bolt holes.
3. The reinforced concrete pipe piece suitable for the ultra-large diameter open caisson according to claim 2, wherein the longitudinal joint connecting piece comprises a longitudinal joint inner side connecting plate and a longitudinal joint outer side connecting plate, the longitudinal joint inner side connecting plate is arranged at an inner longitudinal joint of the adjacent steel plate pipe pieces, the longitudinal joint outer side connecting plate is arranged at an outer longitudinal joint of the adjacent steel plate pipe pieces, and the longitudinal joint inner side connecting plate and the longitudinal joint outer side connecting plate are fixed by passing through bolts.
4. The steel-concrete segment suitable for an oversized open caisson according to claim 2, characterized in that the girth connecting piece comprises a girth outer connecting plate and a girth inner connecting plate, the girth outer connecting plate is arranged at an outer girth of the adjacent steel plate segment, the girth inner connecting plate is arranged at an inner girth of the adjacent steel plate segment, and the girth inner connecting plate and the girth outer connecting plate are fastened by threading bolts.
5. The steel-concrete segment suitable for the ultra-large diameter open caisson according to claim 3, wherein longitudinal water stop bars are arranged on two sides of the outer cambered surface of the inner connecting plate of the longitudinal joint, and longitudinal water stop bars are arranged on two sides of the inner cambered surface of the outer connecting plate of the longitudinal joint.
6. The steel-concrete segment suitable for the ultra-large diameter open caisson according to claim 4, wherein transverse water stop bars are respectively arranged at the two longitudinal ends of the intrados of the annular seam outer side connecting plate, and transverse water stop bars are respectively arranged at the two longitudinal ends of the extrados of the annular seam inner side connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321778215.7U CN220394607U (en) | 2023-07-07 | 2023-07-07 | Steel-concrete pipe piece suitable for oversized-diameter open caisson |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321778215.7U CN220394607U (en) | 2023-07-07 | 2023-07-07 | Steel-concrete pipe piece suitable for oversized-diameter open caisson |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220394607U true CN220394607U (en) | 2024-01-26 |
Family
ID=89600542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321778215.7U Active CN220394607U (en) | 2023-07-07 | 2023-07-07 | Steel-concrete pipe piece suitable for oversized-diameter open caisson |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220394607U (en) |
-
2023
- 2023-07-07 CN CN202321778215.7U patent/CN220394607U/en active Active
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