CN210658476U - Prestressed concrete tubular pile resistance to plucking detects structure - Google Patents
Prestressed concrete tubular pile resistance to plucking detects structure Download PDFInfo
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- CN210658476U CN210658476U CN201920866617.XU CN201920866617U CN210658476U CN 210658476 U CN210658476 U CN 210658476U CN 201920866617 U CN201920866617 U CN 201920866617U CN 210658476 U CN210658476 U CN 210658476U
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Abstract
The utility model provides a prestressed concrete tubular pile resistance to plucking detects structure, its tubular pile body is connected through detecting connecting element with resistance to plucking detection device, especially, detect connecting element and include connecting rod, anchor plate, cross muscle, splice bar, circular stirrup, square stirrup and bearing platform board, many splice bar ends are connected in the bearing platform board and are formed the splice bar and restraint, be equipped with circular stirrup and square stirrup on the splice bar restraint, the upper portion is equipped with cross muscle, the splice bar is sunk into the tubular pile body by the bearing platform board end, until cross muscle overlap joint on tubular pile body top; the anchor plate is fixedly connected with the tops of the 4 connecting ribs through the anchor plate through holes, the bottom end of the connecting rod is connected with the anchor plate, and the top end of the connecting rod is connected with the anti-pulling detection device. The utility model has the characteristics of simple structure and easily construction, resistance to plucking detects the completion back, does not need the secondary bar planting can carry out the construction of pile foundation cushion cap on next step, can also reduce follow-up pile foundation cushion cap construction cost, improve the efficiency of construction when realizing resistance to plucking detection objective.
Description
Technical Field
The utility model relates to an engineering detects technical field, specifically is a prestressed concrete tubular pile resistance to plucking detects structure.
Background
The prestressed pipe pile is widely applied to the engineering of industry, civilian use, municipal administration, water conservancy, highways, bridges, wharfs and the like. The method is suitable for common cohesive soil, backfill soil, silty (sand) soil, non-self-weight collapsible loess, strongly weathered rock strata, hard gravel soil layers and sand soil layers, and construction is not influenced by the height of underground water level. When the underground water level of the prestressed pipe pile is higher, the designed pile top surface is lower or the dead weight of the permanent upper structure is not large, the whole or part of the structure is acted by upward floating force, and the prestressed pipe pile is usually designed into an uplift pile or a compression and uplift resistant pile. The anti-pulling mechanism is to resist axial tension by the friction force between the pile body and the soil layer.
And (3) extracting a certain proportion of the prestressed pipe piles with the pulling-resistant requirements to perform pulling-resistant detection, and verifying whether the pulling-resistant performance of the prestressed pipe piles meets the bearing capacity requirements. A general prestressed pipe pile uplift detection device is characterized in that 2-4 uplift ribs are welded by round steel plates, the uplift ribs are connected to a main beam of the detection device in a bundle shape, and plain concrete is filled from the upper portions of the round steel plates to the pile top. Because the quantity of the anti-pulling ribs is less than the quantity of the permanent inserting ribs of the prestressed pipe pile, secondary bar planting is generally needed to ensure that the anti-pulling bearing capacity requirement of the prestressed pipe pile is met, the defect of complex construction exists, and improvement is needed.
Disclosure of Invention
The utility model aims at providing a prestressed concrete tubular pile resistance to plucking detects structure, it has the characteristics of simple structure and easy construction, and resistance to plucking detects the completion back, does not need the secondary bar planting can carry out the construction of pile foundation cushion cap on next step, can also reduce follow-up pile foundation cushion cap construction cost, improve the efficiency of construction when realizing resistance to plucking detection objective.
The utility model discloses a following technical scheme of purpose accessible realizes:
a prestressed concrete tubular pile resistance to plucking detects structure, it includes tubular pile body, detection connecting elements and resistance to plucking detection device, the tubular pile body is the hollow tube structure precast pile of vertical setting, resistance to plucking detection device includes the jack, tubular pile body and resistance to plucking detection device's jack pass through detection connecting elements fixed connection, its characterized in that, it includes connecting rod, anchor plate, crossing muscle, splice bar, circular stirrup, square stirrup and bearing platform board to detect connecting elements, many splice bars become circular evenly distributed, its bottom is connected and is formed the splice bar bundle on the limit portion of bearing platform board, the diameter of bearing platform board is equivalent to the internal diameter of tubular pile body, a plurality of circular stirrups evenly overlap on the splice bar bundle with splice bar fixed connection, cross muscle fixed connection is in the upper portion of splice bar bundle, it has by the center to a plurality of horizontal muscle portion that the edge is dispersed, the connecting rib bundles are vertically sunk into the tubular pile body from the end of the bearing platform plate until the tail ends of the crossed ribs are lapped on the top of the tubular pile body; the anchor plate is provided with 4 evenly distributed anchor plate through holes, 4 connecting ribs distributed in a square shape penetrate through the anchor plate through holes and are fixedly connected with the anchor plate as anti-pulling ribs and the tops of the connecting ribs correspondingly, a plurality of square stirrups are sleeved on the 4 anti-pulling ribs and are fixedly connected with the anti-pulling ribs and are alternately arranged with the circular stirrups, and the bottom ends of the connecting rods are vertically connected to the middle part and the top end of the anchor plate through jacks of the anti-pulling detection device.
According to the technical scheme, the utility model discloses an anti-pulling detection device is still including detecting girder and girder support, the girder support symmetry is located the top both sides of tubular pile body, is made to detect the girder crossbearer directly over the tubular pile body, the jack is located and is detected on the girder, the connecting rod activity that detects connecting elements passes and detects girder connection jack.
Further optimize the scheme, the utility model discloses a this internal bearing platform board top that detects connecting elements of tubular pile has the concrete up to the top packing of tubular pile body.
The utility model has the following substantive characteristics and progress.
1. The utility model discloses in realize prestressed pipe pile and resistance to plucking detection device's fastening connection through detecting connecting element, detect and accomplish and demolish resistance to plucking detection device and detect connecting element's connecting rod and anchor board after, the splice bar is as permanent structure with prestressed pipe pile together, does not need the secondary to plant the muscle and just can satisfy the resistance to plucking bearing capacity requirement of prestressed pipe pile, has effectively reduced follow-up pile foundation cushion cap construction cost, has improved the efficiency of construction.
2. The utility model discloses in only 4 splice bars as the resistance to plucking muscle that uses when resistance to plucking detects, satisfying the resistance to plucking and detecting the prerequisite of requirement under, reduce the tie point of splice bar and anchor board, have simple structure, assemble quick characteristics.
3. The utility model discloses in further through square stirrup restraint resistance to plucking muscle, further ensured that the less resistance to plucking muscle of quantity can satisfy resistance to plucking and detect the requirement.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a partial structure of the detection connection member of the present invention.
Fig. 3 is a schematic view of the connection state of the middle square stirrup and the connection rib of the present invention.
Fig. 4 is a schematic view of the connection state of the middle circular stirrup and the connection rib of the present invention.
Fig. 5 is the schematic structural diagram of the anti-pulling detection device after being removed.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Examples
Referring to fig. 1 and 2, a prestressed concrete pipe pile uplift detection structure includes a pipe pile body 1, a detection connection member and an uplift detection device.
The uplift resistance detection device comprises a detection main beam 14, a main beam support 15 and a jack 12. Girder support 15 symmetry is located the top both sides of tubular pile body 1, makes and detects 14 crossbearers of girder directly over tubular pile body 1, jack 12 is located on detecting girder 14.
The detection connecting component comprises a connecting rod 13, an anchoring plate 8, a cross rib 7, a connecting rib 4, a round stirrup 3, a square stirrup 2 and a bearing plate 6. The connecting ribs 4 are uniformly distributed in a circular shape, the bottom ends of the connecting ribs are connected to the edge of the bearing plate 6 to form connecting rib bundles, and the diameter of the bearing plate 6 is equivalent to the inner diameter of the tubular pile body 1. The 2 circular stirrups 3 are uniformly sleeved on the connecting rib bundle and are fixedly connected with the connecting ribs 4. The cross ribs 7 are fixedly connected to the upper part of the connecting rib bundle and have a plurality of horizontal rib portions diverging from the center to the edges. The connecting rib bundles are vertically sunk into the tubular pile body 1 from the end of the bearing plate 6 until the tail ends of the crossed ribs 7 are lapped on the top of the tubular pile body 1; the anchoring plate 8 is provided with 4 anchoring plate through holes which are uniformly distributed, 4 connecting ribs 4 which are distributed in a square shape are used as anti-pulling ribs, and the top of the connecting ribs penetrates through the anchoring plate through holes to be fixedly connected with the anchoring plate 8. 2 square stirrup 2 cover on 4 resistance to plucking muscle with resistance to plucking muscle fixed connection and with circular stirrup 3 alternative setting. The bottom end of the connecting rod 13 is vertically connected to the middle part of the anchoring plate 8, and the top end of the connecting rod movably penetrates through the detection main beam 14 to be connected with the jack 12 of the uplift detection device, so that the tubular pile body 1 is connected with the jack 12 of the uplift detection device through the detection connecting component.
The concrete detecting device is characterized in that concrete 10 is filled above a bearing plate 6 for detecting connecting components in the tubular pile body 1 until the top end of the tubular pile body 1, and the concrete 10 is condensed and then subjected to uplift detection.
In this embodiment, the tops of the connecting ribs 4 beside the anchoring plate 8 are bent before detection (as shown in fig. 2), so as to avoid interference of the anchoring plate 8. After the uplift detection is completed, referring to fig. 5 specifically, the uplift detection device and the connecting rod 13 and the anchoring plate 8 of the detection connecting member are removed, the connecting rib 4 with the bent top is straightly restored, and the connecting rib 4 and the prestressed pipe pile are used as a permanent structure for the construction of the pile foundation bearing platform in the next step. In the subsequent construction process of the pile foundation bearing platform, the requirement of uplift bearing capacity can be met without carrying out secondary bar planting on the prestressed pipe pile, and the method has the characteristics of low construction cost and high construction speed and efficiency.
Claims (3)
1. A prestressed concrete tubular pile resistance to plucking detects structure, it includes tubular pile body, detection connecting elements and resistance to plucking detection device, the tubular pile body is the hollow tube structure precast pile of vertical setting, resistance to plucking detection device includes the jack, tubular pile body and resistance to plucking detection device's jack pass through detection connecting elements fixed connection, its characterized in that, it includes connecting rod, anchor plate, crossing muscle, splice bar, circular stirrup, square stirrup and bearing platform board to detect connecting elements, many splice bars become circular evenly distributed, its bottom is connected and is formed the splice bar bundle on the limit portion of bearing platform board, the diameter of bearing platform board is equivalent to the internal diameter of tubular pile body, a plurality of circular stirrups evenly overlap on the splice bar bundle with splice bar fixed connection, cross muscle fixed connection is in the upper portion of splice bar bundle, it has by the center to a plurality of horizontal muscle portion that the edge is dispersed, the connecting rib bundles are vertically sunk into the tubular pile body from the end of the bearing platform plate until the tail ends of the crossed ribs are lapped on the top of the tubular pile body; the anchor plate is provided with 4 evenly distributed anchor plate through holes, 4 connecting ribs distributed in a square shape penetrate through the anchor plate through holes and are fixedly connected with the anchor plate as anti-pulling ribs and the tops of the connecting ribs correspondingly, a plurality of square stirrups are sleeved on the 4 anti-pulling ribs and are fixedly connected with the anti-pulling ribs and are alternately arranged with the circular stirrups, and the bottom ends of the connecting rods are vertically connected to the middle part and the top end of the anchor plate through jacks of the anti-pulling detection device.
2. The structure of claim 1, wherein the uplift detection device further comprises a detection main beam and a main beam support, the main beam support is symmetrically arranged on two sides of the top end of the pipe pile body, the detection main beam cross frame is arranged right above the pipe pile body, the jack is arranged on the detection main beam, and the connecting rod of the detection connecting component movably penetrates through the detection main beam connecting jack.
3. The structure of claim 1 or 2, wherein the concrete is filled in the pile body above the bearing plate of the connecting member until the top end of the pile body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866617.XU CN210658476U (en) | 2019-06-11 | 2019-06-11 | Prestressed concrete tubular pile resistance to plucking detects structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866617.XU CN210658476U (en) | 2019-06-11 | 2019-06-11 | Prestressed concrete tubular pile resistance to plucking detects structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210658476U true CN210658476U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920866617.XU Active CN210658476U (en) | 2019-06-11 | 2019-06-11 | Prestressed concrete tubular pile resistance to plucking detects structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210658476U (en) |
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2019
- 2019-06-11 CN CN201920866617.XU patent/CN210658476U/en active Active
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