CN212983836U - PSB finish rolling screw-thread steel prestressing force underground continuous wall - Google Patents
PSB finish rolling screw-thread steel prestressing force underground continuous wall Download PDFInfo
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- CN212983836U CN212983836U CN202021764722.1U CN202021764722U CN212983836U CN 212983836 U CN212983836 U CN 212983836U CN 202021764722 U CN202021764722 U CN 202021764722U CN 212983836 U CN212983836 U CN 212983836U
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- deformed steel
- continuous wall
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Abstract
The utility model provides a PSB finish rolling deformed steel bar prestressed underground continuous wall, which comprises a concrete underground continuous wall body and a plurality of PSB finish rolling deformed steel bar prestressed combined bodies; part of common reinforcing steel bars of the underground continuous wall are replaced by PSB finish rolling deformed steel bar bodies in the PSB finish rolling deformed steel bar prestressed underground continuous wall, and the PSB finish rolling deformed steel bar bodies are tensioned and locked after the wall body of the concrete underground continuous wall reaches the design strength, so that the strength, the rigidity and the crack resistance of the underground continuous wall meet the design requirements. Meanwhile, the PSB finish-rolled deformed steel bar prestressed underground continuous wall can improve the strength, the rigidity and the crack resistance, reduce the consumption of common reinforcing steel bars of the underground continuous wall, and is beneficial to hoisting operation and improvement of concrete pouring quality.
Description
Technical Field
The utility model relates to a building underground works technical field, in particular to PSB finish rolling deformed steel bar prestressing force underground continuous wall.
Background
The underground continuous wall is used as a common supporting form of a deep foundation pit and is mainly applied to underground foundation pit enclosing structures of high-rise buildings, municipal works and the like. The underground continuous wall is subjected to water and soil pressure along with the increase of the depth of a foundation pit, the larger the water and soil pressure on a supporting structure is, the thickness of the underground continuous wall needs to be increased, the reinforcing bars need to be increased, and the supporting distance needs to be reduced so as to achieve sufficient strength and rigidity, so that the cost is increased, and the construction difficulty is also improved.
Therefore, how to improve the strength, rigidity and crack resistance of the underground continuous wall, reduce the using amount of reinforcing steel bars, facilitate hoisting operation and improve the concrete pouring quality becomes a technical problem which needs to be solved.
SUMMERY OF THE UTILITY MODEL
In order to achieve the purpose, the utility model provides a PSB finish rolling deformed steel bar prestressed underground continuous wall, including concrete underground continuous wall body, a plurality of PSB finish rolling deformed steel bar prestressed assembly, the concrete underground continuous wall body is internally provided with a plurality of underground continuous wall ordinary steel bars, PSB finish rolling deformed steel bar prestressed assembly comprises PSB finish rolling deformed steel bar body, anchor slab, anchor head, spiral stirrup;
the PSB finish rolling deformed steel bar body is a round bar, is arranged inside the concrete underground continuous wall body and penetrates through the upper surface of the concrete underground continuous wall body; the anchor plate is arranged at the lower end of the anchor head, and the upper surface of the anchor plate is attached to the lower surface of the anchor head; the lower surface of the anchor plate is attached to the upper surface of the concrete underground continuous wall body; the inside third through-hole that PSB finish rolling screw-thread steel rod body passed that is provided with of spiral stirrup, the spiral stirrup sets up in anchor slab below.
Preferably, the anchor plate and the anchor head are made of PSB finish-rolled steel.
Preferably, the outer circumferential surface of the PSB finish rolling deformed steel bar body is provided with external threads, the first through hole and the second through hole which are arranged inside the anchor plate and the anchor head are threaded holes meshed with the external threads of the outer circumferential surface of the corresponding PSB finish rolling deformed steel bar body, and the anchor plate and the anchor head are respectively matched with the external threads of the outer circumferential surface of the PSB finish rolling deformed steel bar body through the first through hole and the second through hole.
Preferably, for promoting concrete underground continuous wall body prestressing force value, PSB finish rolling screw-thread steel prestressing force assembly still includes a plurality of supporting bodies, the inside first screw hole that is provided with of supporting body, the supporting body is through first screw hole and the external periphery external screw thread fit of PSB finish rolling screw-thread steel pole.
Preferably, the carrier is made of ordinary steel, cast iron or plastic.
Preferably, PSB finish rolling deformed steel bar prestressing force assembly still includes anticorrosive grease and corrugated pipe, corrugated pipe is inside to be provided with the fourth through-hole, corrugated pipe passes through the fourth through-hole and the outer periphery cooperation of PSB finish rolling deformed steel bar, corrugated pipe up end and anchor plate lower surface cooperation, terminal surface and supporting body upper surface cooperation under the corrugated pipe, anticorrosive grease sets up in the clearance between the inside and the outer periphery of PSB finish rolling deformed steel bar of corrugated pipe third through-hole.
The utility model discloses a beneficial effect does: the utility model discloses a PSB finish rolling deformed steel bar prestressing force underground continuous wall, through replace the ordinary reinforcing bar of part underground continuous wall into the PSB finish rolling deformed steel bar body of rod in the PSB finish rolling deformed steel bar prestressing force underground continuous wall, treat that the concrete underground continuous wall body reaches stretch-draw PSB finish rolling deformed steel bar body of rod and locking behind the design intensity, make the intensity, rigidity and the anti cracking performance of underground continuous wall satisfy the design requirement. Meanwhile, the PSB finish-rolled deformed steel bar prestressed underground continuous wall can improve the strength, the rigidity and the crack resistance, reduce the consumption of common reinforcing steel bars of the underground continuous wall, and is beneficial to hoisting operation and improvement of concrete pouring quality.
Drawings
FIG. 1 is a schematic structural diagram of a PSB finish-rolled deformed steel bar prestressed underground continuous wall in a front view;
FIG. 2 is a left side view structural schematic diagram of a PSB finish-rolled deformed steel bar prestressed underground continuous wall.
In the figure: the method comprises the following steps of 1, PSB finish rolling screw-thread steel rod body, 2, anchor plates, 3 anchor heads, 4 spiral stirrups, 5 corrugated sleeves, 6 bearing bodies, 7 concrete underground diaphragm wall bodies and 8 common underground diaphragm wall reinforcing steel bars.
Detailed Description
The invention will be described in further detail with reference to the embodiment of fig. 1. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.
The PSB finish-rolled deformed steel bar prestressed underground continuous wall comprises a concrete underground continuous wall body 7 and a plurality of PSB finish-rolled deformed steel bar prestressed combined bodies; the PSB finish rolling deformed steel bar prestress assembly consists of a PSB finish rolling deformed steel bar body 1, an anchor plate 2, an anchor head 3, a spiral stirrup 4, a corrugated sleeve 5, a supporting body 6 and a plurality of anticorrosive grease; a plurality of common underground continuous wall reinforcing steel bars 8 are arranged in the concrete underground continuous wall body 7;
in the embodiment, during construction of the PSB finish-rolled deformed steel bar prestressed underground continuous wall, firstly, a groove is excavated, then a plurality of common reinforcing steel bars 8 of the underground continuous wall are bound, a supporting body 6, a corrugated sleeve 5 and anticorrosion grease are sequentially arranged on a PSB finish-rolled deformed steel bar body 1, the PSB finish-rolled deformed steel bar body 1 is placed in the groove and fixed, a spiral stirrup 4 is arranged on the upper portion of the PSB finish-rolled deformed steel bar body 1 and fixed, concrete is poured after the completion of the construction, a concrete underground continuous wall body 7 is formed after the concrete is solidified, an anchor plate 2 and an anchor head 3 are sequentially arranged on the PSB finish-rolled deformed steel bar body 1, and a locking force is set according to needs by tensioning the PSB finish-rolled deformed steel bar body 1, so that the PSB finish-rolled deformed steel bar prestressed underground continuous wall of the embodiment is formed.
Claims (6)
1. The PSB finish-rolled deformed steel bar prestressed underground continuous wall is characterized by comprising a concrete underground continuous wall body and a plurality of PSB finish-rolled deformed steel bar prestressed combined bodies, wherein a plurality of common reinforcing steel bars of the underground continuous wall are arranged in the concrete underground continuous wall body, and each PSB finish-rolled deformed steel bar prestressed combined body consists of a PSB finish-rolled deformed steel bar body, an anchor plate, an anchor head and a spiral stirrup;
the PSB finish rolling deformed steel bar body is a round bar, is arranged inside the concrete underground continuous wall body and penetrates through the upper surface of the concrete underground continuous wall body; the anchor plate is arranged at the lower end of the anchor head, and the upper surface of the anchor plate is attached to the lower surface of the anchor head; the lower surface of the anchor plate is attached to the upper surface of the concrete underground continuous wall body; the inside third through-hole that PSB finish rolling screw-thread steel rod body passed that is provided with of spiral stirrup, the spiral stirrup sets up in anchor slab below.
2. The PSB finish-rolled deformed steel bar prestressed underground diaphragm wall as set forth in claim 1, wherein said anchor plate and anchor head are made of PSB finish-rolled steel.
3. The PSB finish-rolled deformed steel bar prestressed underground continuous wall according to claim 1, wherein the PSB finish-rolled deformed steel bar has an external thread formed on an outer circumferential surface thereof, the first through-hole and the second through-hole formed in the anchor plate and the anchor head are threaded holes engaged with the external thread formed on the outer circumferential surface of the PSB finish-rolled deformed steel bar, and the anchor plate and the anchor head are engaged with the external thread formed on the outer circumferential surface of the PSB finish-rolled deformed steel bar through the first through-hole and the second through-hole, respectively.
4. The PSB finish-rolled deformed steel bar prestressed underground continuous wall as set forth in claim 3, wherein said PSB finish-rolled deformed steel bar prestressing assembly further comprises a plurality of supporting bodies, said supporting bodies having first threaded holes formed therein, said supporting bodies being engaged with the external circumferential surface of the PSB finish-rolled deformed steel bar body through the first threaded holes.
5. The PSB finish rolled deformed steel bar prestressed underground continuous wall as set forth in claim 4, wherein the supporting body is made of general steel, cast iron or plastic.
6. The PSB finish-rolled deformed steel bar prestressed underground continuous wall according to claim 4 or 5, wherein the PSB finish-rolled deformed steel bar prestressed composite body further comprises a plurality of anti-corrosive greases and corrugated sleeves, fourth through holes are formed in the corrugated sleeves, the corrugated sleeves are matched with the outer circumferential surface of the PSB finish-rolled deformed steel bar body through the fourth through holes, the upper end surfaces of the corrugated sleeves are matched with the lower surfaces of the anchor plates, the lower end surfaces of the corrugated sleeves are matched with the upper surface of the supporting body, and the anti-corrosive greases are arranged in gaps between the inner portions of the third through holes of the corrugated sleeves and the outer circumferential surface of the PSB finish-rolled deformed steel bar body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021764722.1U CN212983836U (en) | 2020-08-21 | 2020-08-21 | PSB finish rolling screw-thread steel prestressing force underground continuous wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021764722.1U CN212983836U (en) | 2020-08-21 | 2020-08-21 | PSB finish rolling screw-thread steel prestressing force underground continuous wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212983836U true CN212983836U (en) | 2021-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021764722.1U Active CN212983836U (en) | 2020-08-21 | 2020-08-21 | PSB finish rolling screw-thread steel prestressing force underground continuous wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212983836U (en) |
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2020
- 2020-08-21 CN CN202021764722.1U patent/CN212983836U/en active Active
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