CN212104108U - Recoverable assembled prestressing force suspension cable foundation ditch support piece - Google Patents
Recoverable assembled prestressing force suspension cable foundation ditch support piece Download PDFInfo
- Publication number
- CN212104108U CN212104108U CN202020130834.5U CN202020130834U CN212104108U CN 212104108 U CN212104108 U CN 212104108U CN 202020130834 U CN202020130834 U CN 202020130834U CN 212104108 U CN212104108 U CN 212104108U
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- China
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- suspension cable
- crown beam
- prestressed
- standard knot
- cable
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- Expired - Fee Related
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Abstract
The utility model discloses a recoverable assembly type prestressed suspension cable foundation pit supporting piece, which comprises a supporting seat, a main beam, an adjusting slide rail, an operation center and a tubular pile clamping device; the supporting seat is supported on the ground, a groove is formed in the top end face of the supporting seat, and the main beam is abutted to the inner portion of the groove; the inside slide rail that is provided with of recess, the girder lower part is provided with the gyro wheel, and the gyro wheel passes through transmission control and rotates, tubular pile clamping device sets up at girder central authorities, the utility model discloses a recoverable assembled prestressing force suspension cable foundation ditch support piece, beneficial effect lies in: the utility model has the advantages of simple structure and reasonable design, engineering cost is low and processing preparation and construction convenience, excellent in use effect, can effectively solve the fixed centre gripping problem in the test of hollow tubular pile in sandy soil.
Description
Technical Field
The utility model relates to a recoverable assembled prestressing force suspension cable foundation ditch support piece.
Background
In the tubular pile resistance-pulling test in the prior art, a fixed tubular pile opening is a problem, a static load resistance-pulling test adopts a method close to the actual working condition of a vertical resistance-pulling pile, the step-by-step loading is carried out, the settlement is read, the detection method of the single-pile vertical resistance-pulling ultimate bearing capacity is determined according to the load displacement curve characteristics, a jack works during the test, a piston of the jack rises, the upward force acts on a foundation pile through a welded steel bar, and the downward force acting on a support pile through a main beam forms the step-by-step force balance. This method is difficult to be well applied to the tube pile.
Disclosure of Invention
In view of this, the utility model provides a recoverable assembled prestressing force suspension cable foundation ditch support piece to solve above-mentioned problem.
A recoverable assembly type prestress suspension cable foundation pit supporting piece comprises an anchoring pile, a supporting pile, a suspension cable and a prefabricated crown beam standard knot, wherein a connector is arranged on the supporting pile, the prefabricated crown beam standard knot is in bolted connection with the connector, a prestress rib is arranged inside the prefabricated crown beam standard knot, prestress rib anchors are arranged at two ends of the prefabricated crown beam standard knot, crown beam joints are welded on the anchors, and the crown beam joints are connected through bolts; the prefabricated crown beam standard knot is characterized in that corner supports are arranged on two adjacent sides of the prefabricated crown beam standard knot and are of a profile steel structure, two ends of a suspension cable are fixed on anchoring piles, one end of a suspension cable steel wire rope is connected with the suspension cable through a clamping ring, and the other end of the suspension cable steel wire rope is fixed in an inner supporting beam.
The end part of the prestressed tendon anchorage is provided with an embedded part for installing a jack for tensioning the prestressed cable, and a guarantee part for supporting the prestressed cable is arranged at the embedded part.
The suspension cable is a 1-3 cable phi 32-40 steel wire rope, and the suspension cable steel wire rope is a 1-3 cable phi 15-32 steel wire rope.
The prefabricated crown beam standard knot and the connector are connected in a mode of nine bolts in three rows and three columns.
The utility model discloses a recoverable assembled prestressing force suspension cable foundation ditch support piece, beneficial effect lies in:
the utility model provides a prestressing force and mode that span structure supported reduce engineering cost, and structural strength increases, the span increase has increased the construction operation space of foundation ditch, makes things convenient for earthwork excavation and underground structure construction, has improved the efficiency of construction, has both reduced the junction node construction degree of difficulty, has improved material reuse rate again.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic plan view of the present invention;
fig. 2 is a schematic cross-sectional view of the present invention.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1:
a recoverable assembly type prestressed suspension cable foundation pit supporting piece comprises an anchoring pile 1, a supporting pile 2, a suspension cable 3 and a prefabricated crown beam standard knot 4, wherein a connector 5 is arranged on the supporting pile, the prefabricated crown beam standard knot is in bolted connection with the connector, a prestressed rib 6 is arranged inside the prefabricated crown beam standard knot, prestressed rib anchors 7 are arranged at two ends of the prefabricated crown beam standard knot, crown beam joints are welded on the anchors, and the crown beam joints are connected through bolts; the two adjacent sides of the prefabricated crown beam standard knot are provided with angle braces 9, each angle brace is of a profile steel structure, two ends of each suspension cable are fixed on the anchoring piles, one end of each suspension cable steel wire rope is connected with each suspension cable through a hoop, and the other end of each suspension cable steel wire rope is fixed in the inner supporting beam 10.
The end part of the prestressed tendon anchorage is provided with an embedded part for installing a jack for tensioning the prestressed cable, and a guarantee part for supporting the prestressed cable is arranged at the embedded part.
The suspension cable is a 1-3 cable phi 32-40 steel wire rope, and the suspension cable steel wire rope is a 1-3 cable phi 15-32 steel wire rope.
The prefabricated crown beam standard knot and the connector are connected in a mode of nine bolts in three rows and three columns.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a recoverable assembled prestressing force suspension cable foundation ditch support piece, includes anchor pile, fender pile, suspension cable and prefabricated crown beam standard knot, characterized by: the supporting pile is provided with a connector, the prefabricated crown beam standard knot is connected with the connector through a bolt, a prestressed rib is arranged inside the prefabricated crown beam standard knot, prestressed rib anchors are arranged at two ends of the prefabricated crown beam standard knot, a crown beam connector is welded on the anchors, and the crown beam connector is connected through the bolt; the prefabricated crown beam standard knot is characterized in that corner supports are arranged on two adjacent sides of the prefabricated crown beam standard knot and are of a profile steel structure, two ends of a suspension cable are fixed on anchoring piles, one end of a suspension cable steel wire rope is connected with the suspension cable through a clamping ring, and the other end of the suspension cable steel wire rope is fixed in an inner supporting beam.
2. The recyclable fabricated prestressed suspension cable foundation pit support member as claimed in claim 1, wherein an embedded part for installing a jack for tensioning a prestressed cable is provided at an end of the prestressed tendon anchorage, and a securing part for supporting the prestressed cable is further provided at the embedded part.
3. The recyclable fabricated prestressed suspension cable foundation pit support member as claimed in claim 1, wherein the suspension cable is a 1-3 cable phi 32-40 steel wire rope, and the suspension cable steel wire rope is a 1-3 cable phi 15-32 steel wire rope.
4. The recyclable fabricated prestressed suspension cable foundation pit support member as claimed in claim 1, wherein the prefabricated crown beam standard knot and the connector are arranged in a three-row three-column nine-bolt connection manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020130834.5U CN212104108U (en) | 2020-01-21 | 2020-01-21 | Recoverable assembled prestressing force suspension cable foundation ditch support piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020130834.5U CN212104108U (en) | 2020-01-21 | 2020-01-21 | Recoverable assembled prestressing force suspension cable foundation ditch support piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212104108U true CN212104108U (en) | 2020-12-08 |
Family
ID=73626905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020130834.5U Expired - Fee Related CN212104108U (en) | 2020-01-21 | 2020-01-21 | Recoverable assembled prestressing force suspension cable foundation ditch support piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212104108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023024348A1 (en) * | 2021-08-26 | 2023-03-02 | 中冶建筑研究总院（深圳）有限公司 | Recyclable prestressed support system and construction method |
-
2020
- 2020-01-21 CN CN202020130834.5U patent/CN212104108U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023024348A1 (en) * | 2021-08-26 | 2023-03-02 | 中冶建筑研究总院（深圳）有限公司 | Recyclable prestressed support system and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201208 Termination date: 20220121 |