CN112431233A - Steel pipe pile bearing capacity detection device - Google Patents
Steel pipe pile bearing capacity detection device Download PDFInfo
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- CN112431233A CN112431233A CN202011162082.1A CN202011162082A CN112431233A CN 112431233 A CN112431233 A CN 112431233A CN 202011162082 A CN202011162082 A CN 202011162082A CN 112431233 A CN112431233 A CN 112431233A
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- Prior art keywords
- pile
- steel pipe
- stiffening rib
- pipe pile
- rib plates
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 57
- 239000010959 steel Substances 0.000 title claims abstract description 57
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 20
- 238000010276 construction Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
- E02D5/285—Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention belongs to the technical field of civil engineering construction, and particularly relates to a steel pipe pile bearing capacity detection device which comprises a guide frame arranged above a steel pipe pile, wherein a heavy hammer mechanism is arranged inside the guide frame, a foundation pile detector is also arranged on the steel pipe pile, a reinforcing structure is arranged at the top of the steel pipe pile, and a stress structure is arranged between the upper part of the reinforcing structure and the guide frame; the reinforcing structure comprises a plurality of pile inner stiffening rib plates which are vertically and annularly and uniformly arranged in a pile and a plurality of pile outer stiffening rib plates which are vertically and annularly and uniformly arranged outside the pile, the upper parts of the pile inner stiffening rib plates and the pile outer stiffening rib plates are connected into a whole, and the central lines of the pile inner stiffening rib plates and the pile outer stiffening rib plates are superposed with the central line of the steel pipe pile; through stiffening rib board and the outer stiffening rib board of stake in the stake, form the reinforced structure at steel-pipe pile top, set up stress structure on reinforced structure, make pile bolck lifting surface area enlarge, it is effectual to pass power, avoids or reduces simultaneously because the bearing capacity detects the damage that causes the steel-pipe pile.
Description
Technical Field
The invention belongs to the technical field of civil engineering construction, and particularly relates to a steel pipe pile bearing capacity detection device.
Background
In order to ensure the construction safety and stability of the steel pipe pile, the bearing capacity of the steel pipe pile needs to be detected, high strain detection is a detection method for judging the vertical compression bearing capacity and the integrity of a pile body of a single pile, a heavy hammer is used for impacting a pile top in an experiment, the speed and force time-course curve of the pile top are measured in real time, and the speed and force time-course curve are analyzed through a fluctuation theory. The result of high strain detection is reliable, and in the prior art, the pile top is easy to deform due to the impact of a heavy hammer, so that the continuous construction of the steel pipe pile is influenced.
Disclosure of Invention
The invention aims to provide a steel pipe pile bearing capacity detection device to solve the problems that in the prior art, due to the impact of a heavy hammer, a pile top is easy to deform, the continuous construction of a steel pipe pile is influenced, and the like.
The technical scheme adopted by the invention is that the steel pipe pile bearing capacity detection device comprises a guide frame arranged above a steel pipe pile, wherein a heavy hammer mechanism is arranged inside the guide frame, a foundation pile detector is also arranged on the steel pipe pile, a reinforcing structure is arranged at the top of the steel pipe pile, and a stress structure is arranged between the upper part of the reinforcing structure and the guide frame;
the reinforcing structure comprises a plurality of pile internal stiffening rib plates and a plurality of pile external stiffening rib plates, wherein the pile internal stiffening rib plates are uniformly arranged in a vertical annular mode in the pile, the pile external stiffening rib plates are uniformly arranged in a vertical annular mode, the upper portions of the pile internal stiffening rib plates and the pile external stiffening rib plates are connected into a whole, and the central lines of the pile internal stiffening rib plates and the pile external stiffening rib plates coincide with the central line of the steel pipe pile.
Through the stiffening rib board in a plurality of piles of inside vertical annular align-row of steel-pipe pile, the outer stiffening rib board of a plurality of piles of outer vertical annular align-row of pile forms the reinforced structure at steel-pipe pile top, sets up bearing structure on reinforced structure, makes pile bolck lifting surface enlarge, and it is effectual to pass power, avoids or reduces simultaneously because the bearing capacity detects the damage that causes the steel-pipe pile.
Preferably, the stiffening rib plates in the pile are all arc rib plates arranged in the same direction.
The arc-shaped rib plate can form prestress in the steel pipe pile for offsetting or reducing tensile stress generated by load in the steel pipe pile, so that damage to the steel pipe pile is avoided or reduced.
Preferably, the force-bearing structure is a bearing plate.
The loading board can fully bear the impact of the heavy hammer mechanism, and damage to the steel pipe pile or the reinforcing structure is avoided.
Preferably, the upper end of the reinforcing structure is fixedly connected with the stressed structure.
The reinforcing structure is fixedly connected with the stress structure, so that the position deviation of the stress structure caused by the impact of the heavy hammer mechanism can be effectively prevented.
The invention has the beneficial effects that:
the reinforcing structure at the top of the steel pipe pile is formed by uniformly arranging a plurality of pile internal stiffening rib plates in a vertical annular manner inside the steel pipe pile and a plurality of pile external stiffening rib plates in a vertical annular manner outside the pile, and is provided with a stress structure, so that the stress area of the pile top is enlarged, the force transmission effect is good, and meanwhile, the damage to the steel pipe pile caused by bearing force detection is avoided or reduced; the device is convenient to install and simple to operate, and greatly improves the efficiency of detecting the bearing capacity of the steel pipe pile.
Drawings
FIG. 1 is a schematic overall front view of the present invention;
FIG. 2 is a schematic top view of the reinforcement structure of the present invention;
FIG. 3 is a schematic front view of the reinforcement structure of the present invention;
FIG. 4 is a schematic top view of the pile with the stiffening ribs in the form of arc.
Description of reference numerals: 1-steel pipe pile; 2-a guide frame; 3-a weight dropper mechanism; 4-a foundation pile detector; 5-reinforcing the structure; 6-a stressed structure; 7-stiffening rib plates in the pile; 8-pile external stiffening rib plates.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and the detailed description, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central, lateral, longitudinal, up, down, front, back, left, right, vertical, horizontal, top, bottom, inner, outer" and the like refer to orientations or positional relationships based on those shown in fig. 1, which are used only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The technical scheme of the invention is a steel pipe pile bearing capacity detection device, the schematic view of the structure of the front view of which is shown in figure 1, and the device comprises a guide frame 2 arranged above a steel pipe pile 1, wherein a heavy hammer mechanism 3 is arranged inside the guide frame 2, a foundation pile detector 4 is also arranged on the steel pipe pile 1, a reinforced structure 5 is arranged at the top of the steel pipe pile 1, and a stress structure 6 is arranged between the upper part of the reinforced structure 5 and the guide frame 1;
the reinforcing structure 5 comprises a plurality of pile internal stiffening rib plates 7 which are uniformly arranged in a pile in a vertical annular mode and a plurality of pile external stiffening rib plates 8 which are uniformly arranged in a pile external vertical annular mode, the upper portions of the pile internal stiffening rib plates 7 and the pile external stiffening rib plates 8 are connected into a whole, the central lines of the pile internal stiffening rib plates 7 and the pile external stiffening rib plates 8 are superposed with the central line of the steel pipe pile 1, the schematic view of the overlooking structure of the reinforcing structure 5 is shown in fig. 2, and the schematic view of the main structure is shown in fig. 3.
Through stiffening rib plate 7 in a plurality of piles of inside vertical annular align-row of steel-pipe pile 1, the outer stiffening rib plate 8 of a plurality of piles of vertical annular align-row outside the pile forms the reinforced structure 5 at 1 top of steel-pipe pile, sets up bearing structure 6 on reinforced structure 5, makes pile bolck lifting surface enlarge, and it is effectual to pass power, avoids or reduces simultaneously because the bearing capacity detects the damage that causes steel-pipe pile 1.
In order to avoid the damage of the steel pipe pile 1 or the reinforcing mechanism 5 caused by the impact of the weight mechanism 3, the bearing plate is arranged as the force bearing structure 6, and the bearing plate can sufficiently bear the impact of the weight mechanism 3.
In order to avoid the position deviation of the force-bearing structure 6 caused by the impact of the weight mechanism 3, the force-bearing structure 6 is fixedly connected with the upper end of the reinforcing structure 5, and may be welded or integrally formed.
Another structure form of the pile internal stiffening rib 7 is shown in fig. 4, and the pile internal stiffening rib 7 is an arc rib arranged in the same direction.
The arc-shaped rib plate can form prestress in the steel pipe pile 1, and is used for offsetting or reducing tensile stress generated by load in the steel pipe pile 1, so that damage to the steel pipe pile 1 is avoided or reduced.
The weight mechanism 3 comprises a combined weight, a lifting device and a unhooking device which are used for traditional bearing capacity detection, a winch can be used for lifting the weight, and the falling distance between the combined weight and the stress mechanism 6 is determined by actual detection. The guide frame 2 can adopt a tripod structure, the bottom end of the guide frame is directly fixed on the stress mechanism 6, the movable connection mode can be a lock joint mode, a clamping mode and the like, the guide frame 2 enables the heavy hammer mechanism 3 to move on the central line of the steel pipe pile 1, the central stress of the heavy hammer on the stress mechanism 6 is ensured, and the eccentricity problem is solved. The pile tester 4 may be a complete set of pile testers.
The working process of the steel pipe pile bearing capacity detection device comprises the following steps:
firstly, buckling a reinforcing structure 5 at the top of a steel pipe pile 1, and respectively placing stiffening rib plates 7 in the pile and stiffening rib plates outside the pile in the steel pipe pile 1; and adjusting the stress structure 6 to enable the stress structure 6 to be horizontal, and enabling the central line of the reinforcing structure 5 to be superposed with the central line of the steel pipe pile 1.
Secondly, a heavy hammer mechanism 3 is arranged in the guide frame 2, so that the center line of the heavy hammer mechanism 3 is superposed with the center line of the steel pipe pile 1; and then installing a foundation pile detector 4.
And thirdly, carrying out an experiment, recording data, forming an actually-measured force wave curve and a speed curve according to the basic principle of high strain detection, and judging various conditions of the pile body according to the change relationship of the actually-measured force wave curve and the speed curve.
And finally, after the detection is finished, the detection device is disassembled, the guide frame 2 and the heavy hammer mechanism 3 are disassembled firstly, and then the reinforced structure 5 is directly erected and taken out from the top of the steel pipe pile 1 for classified storage.
In summary, the problems mentioned in the prior art are solved, such as the deformation of the pile top due to the impact of the heavy hammer, which affects the continuous construction of the steel pipe pile. According to the steel pipe pile bearing capacity detection device, the plurality of pile inner stiffening rib plates 7 are vertically and annularly and uniformly arranged inside the steel pipe pile 1, the plurality of pile outer stiffening rib plates 8 are vertically and annularly and uniformly arranged outside the pile to form the reinforcing structure 5 at the top of the steel pipe pile 1, the stress structure 6 is arranged on the reinforcing structure 5, so that the pile top stress area is enlarged, the force transmission effect is good, and meanwhile, the damage to the steel pipe pile 1 caused by bearing capacity detection is avoided or reduced; the device is convenient to install and simple to operate, and greatly improves the efficiency of detecting the bearing capacity of the steel pipe pile.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. A steel pipe pile bearing capacity detection device comprises a guide frame (2) arranged at the top of a steel pipe pile (1), wherein a heavy hammer mechanism (3) is arranged inside the guide frame (2), and a foundation pile detector (4) is further arranged on the steel pipe pile (1), and is characterized in that a reinforced structure (5) is arranged at the top of the steel pipe pile (1), and a stress structure (6) is arranged between the upper part of the reinforced structure (5) and the guide frame (1);
the reinforcing structure (5) comprises a plurality of pile internal stiffening rib plates (7) which are uniformly arranged in a vertical annular mode in the pile and a plurality of pile external stiffening rib plates (8) which are uniformly arranged in a vertical annular mode outside the pile, the pile internal stiffening rib plates (7) and the upper portions of the pile external stiffening rib plates (8) are connected into a whole, and the pile internal stiffening rib plates (7) and the central lines of the pile external stiffening rib plates (8) coincide with the central line of the steel pipe pile.
2. The steel pipe pile bearing capacity detection device according to claim 1, wherein the stiffening ribs (7) in the pile are all arc-shaped ribs arranged in the same direction.
3. The steel pipe pile bearing capacity detecting device according to claim 1, wherein the force-bearing structure (6) is a bearing plate.
4. The steel pipe pile bearing capacity detecting device according to claim 1, 2 or 3, wherein the upper end of the reinforcing structure (5) is fixedly connected with the force-bearing structure (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011162082.1A CN112431233A (en) | 2020-10-27 | 2020-10-27 | Steel pipe pile bearing capacity detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011162082.1A CN112431233A (en) | 2020-10-27 | 2020-10-27 | Steel pipe pile bearing capacity detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112431233A true CN112431233A (en) | 2021-03-02 |
| CN112431233A8 CN112431233A8 (en) | 2021-07-16 |
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ID=74696142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011162082.1A Pending CN112431233A (en) | 2020-10-27 | 2020-10-27 | Steel pipe pile bearing capacity detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112431233A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439053A (en) * | 2021-12-24 | 2022-05-06 | 中铁广州工程局集团有限公司 | Steel pipe pile bearing capacity detection prepressing method |
-
2020
- 2020-10-27 CN CN202011162082.1A patent/CN112431233A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439053A (en) * | 2021-12-24 | 2022-05-06 | 中铁广州工程局集团有限公司 | Steel pipe pile bearing capacity detection prepressing method |
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| Publication number | Publication date |
|---|---|
| CN112431233A8 (en) | 2021-07-16 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| CI02 | Correction of invention patent application | ||
| CI02 | Correction of invention patent application |
Correction item: Applicant Correct: CCCC-SHB FIRST ENGINEERING Co.,Ltd. False: No 1 Engineering Co.,Ltd. of cccc 2 Number: 10-01 Volume: 37 Correction item: Applicant Correct: CCCC-SHB FIRST ENGINEERING Co.,Ltd. False: No 1 Engineering Co.,Ltd. of cccc 2 Number: 10-01 Page: The title page Volume: 37 |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |