CN220117314U - Main girder counter-force beam pull rod device for ocean base loading static load test - Google Patents
Main girder counter-force beam pull rod device for ocean base loading static load test Download PDFInfo
- Publication number
- CN220117314U CN220117314U CN202321655594.0U CN202321655594U CN220117314U CN 220117314 U CN220117314 U CN 220117314U CN 202321655594 U CN202321655594 U CN 202321655594U CN 220117314 U CN220117314 U CN 220117314U
- Authority
- CN
- China
- Prior art keywords
- support frame
- gap
- pull rod
- pile
- counter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 52
- 230000003068 static effect Effects 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model relates to the technical field of ocean base loading static load tests, in particular to a main girder counter-force beam pull rod device for an ocean base loading static load test; comprising the following steps: the first support frame is placed on the counterforce beam of the pile to be tested and comprises two first cross bars which are arranged in parallel, and a first gap is formed between the two first cross bars; the second support frame is positioned below the first support frame and is fixed on the test pile or the anchor pile, and the second support frame has the same structure as the first support frame; the at least two pull rods are vertically and uniformly arranged between the first support frame and the second support frame, and the upper end and the lower end of each pull rod respectively penetrate through the first gap and the second gap; threaded parts are symmetrically arranged at two ends of the pull rod, and the threaded parts at two ends respectively penetrate through the first gap and the second gap; the pull rods are fixed on the first support frame and the second support frame through nuts, the pull rods can be used repeatedly, the number of the pull rods can be adjusted according to the sizes of the pile diameter, the main beam and the secondary beam, the installation is convenient, and the green construction concept is met.
Description
Technical Field
The utility model relates to the technical field of ocean base loading static load tests, in particular to a main girder counter-force beam pull rod device for an ocean base loading static load test under a complex environment.
Background
The pile foundation is an important foundation form in ocean engineering, the construction environment of the ocean engineering is quite complex, the pile foundation is required to bear downward pressure, upward pulling and horizontal load, and the pile diameter and the design bearing capacity are different. The vertical compression resistance and pulling resistance test of the foundation pile is an effective mode for determining the bearing capacity of the foundation pile, however, the foundation pile bearing capacity test is difficult to carry out on the sea relative to the land, a platform needs to be erected, and the foundation pile bearing capacity test can only be carried out by adopting an anchor pile method generally.
When the anchor pile method is adopted for static load test, the force born by the main beam and the counter-force beam is required to be effectively transmitted to the test pile and the anchor pile, the traditional connection mode is that steel bars are directly welded to the pile and the beam, and the steel bars cannot be reused when the method is adopted, so that the test cost is increased; and the field welding workload is large, the working efficiency is low, so that finding a proper pull rod device is important to rapidly and smoothly completing the static load test.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the ocean-based static load test main beam counter-force beam pull rod device which is convenient to install and can be repeatedly used.
The utility model provides a main girder counter-force beam pull rod device for a marine base loading static test, which comprises the following components:
the first support frame is placed on the reaction beam of the pile to be tested and comprises two first cross bars which are arranged in parallel, and a first gap is formed between the two first cross bars;
the second support frame is positioned below the first support frame, is fixed on the test pile or the anchor pile and comprises two second cross bars which are arranged in parallel, and a second gap is formed between the two second cross bars;
the at least two pull rods are vertically and uniformly arranged between the first support frame and the second support frame, and the upper end and the lower end of each pull rod respectively penetrate through the first gap and the second gap;
wherein,
the two ends of the pull rod are symmetrically provided with threaded parts, the threaded parts at the two ends respectively penetrate through the first gap and the second gap, the upper end of the pull rod is fixed on the first support frame through a first fixing nut, and the lower end of the pull rod is fixed on the second support frame through a second fixing nut.
In this technical scheme, the pull rod passes through the nut to be fixed on first support frame and second support frame, and the pull rod can used repeatedly, and pull rod quantity can be adjusted according to stake footpath, girder and secondary beam size to static load test under the adaptation different conditions, simple to operate accords with green construction theory.
In some embodiments of the present utility model, the two first cross bars of the first support frame are fixed by a first connecting piece, the first connecting piece is multiple and uniformly distributed between the two first cross bars, the first connecting piece uniformly divides the first gap into a plurality of installation gaps, and the upper threaded portion of the pull rod passes through the installation gaps.
In some embodiments of the present utility model, the two second cross bars of the second support frame are fixed by a second connecting piece, a plurality of second connecting pieces are uniformly distributed between the two second cross bars, the second connecting piece uniformly divides the second gap into a plurality of installation gaps, and the lower end threaded portion of the pull rod passes through the installation gaps.
In some embodiments of the utility model, the first connector is a plate-shaped structure, and the first connector is identical in structure to the second connector.
In some embodiments of the present utility model, the widths of the first gap and the second gap are larger than the diameters of the threaded portions of the pull rod, so that the pull rod can be conveniently fixed on the first support frame and the second support frame after passing through the first gap and the second gap.
In some embodiments of the present utility model, a gasket is disposed between the first fixing nut and the first supporting frame, so as to increase the connection strength between the first fixing nut and the first supporting frame;
and a gasket is also arranged between the second fixing nut and the second supporting frame, so that the connection strength of the second fixing nut and the second supporting frame is increased.
In some embodiments of the present utility model, the first rail and the second rail are channel steel.
Based on the technical scheme, the ocean base loading static load test girder counter-force beam pull rod device is characterized in that pull rods are fixed on a first support frame and a second support frame through nuts, the pull rods can be reused, the number of the pull rods can be adjusted according to the pile diameter, the size of a main beam and the size of a secondary beam so as to adapt to static load tests under different conditions, and the ocean base loading static load test girder counter-force beam pull rod device is convenient to install and accords with the green construction concept;
the vertical compression-resistant static load test of the single pile with the compression-resistant ultimate bearing capacity of 9600kN foundation pile and the vertical anti-pulling static load test of the single pile with the anti-pulling ultimate bearing capacity of 2400kN foundation pile can be carried out, and the vertical compression-resistant and anti-pulling load test of most ocean engineering foundation piles can be met.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
fig. 1 is a schematic top view of a first support frame according to an embodiment of the utility model;
fig. 2 is a schematic top view of a second support frame according to an embodiment of the utility model;
FIG. 3 is a schematic diagram of a pull rod according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a gasket according to an embodiment of the present utility model;
FIG. 5 is a front view showing the positional relationship of the pull rod apparatus according to the embodiment of the present utility model when performing a vertical compressive strength test for a single pile;
FIG. 6 is a plan view showing the positional relationship of the pull rod apparatus according to the embodiment of the present utility model when performing a vertical compressive strength test for a single pile;
fig. 7 is a front view showing the positional relationship of the pull rod device according to the embodiment of the utility model when a single pile vertical tensile strength test is performed.
In the drawing the view of the figure,
10. a first support frame; 11. a first cross bar; 12. a first gap; 121. a mounting gap; 13. a first fixing nut; 14. a first connector; 20. a second support frame; 21. a second cross bar; 22. a second gap; 23. a second fixing nut; 30. a pull rod; 31. a threaded portion; 40. a gasket; 41. a threaded hole; 50. and (5) a jack.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 6, a main girder counter-force beam pull rod device for ocean-based static load test in this embodiment includes:
the first support frame 10 is placed on the reaction beam of the pile to be tested and comprises two first cross bars 11 which are arranged in parallel, and a first gap 12 is formed between the two first cross bars;
the second support frame 20 is located below the first support frame 10, and the second support frame 20 is fixed on a test pile or an anchor pile, and in this embodiment, the second support frame has the same structure as the first support frame 10, and includes two second cross bars 21 arranged in parallel, and a second gap 22 is formed between the two second cross bars;
the pull rods 30 are at least two and vertically and uniformly arranged between the first support frame 10 and the second support frame 20, and the upper end and the lower end of the pull rods respectively penetrate through the first gap 12 and the second gap 22;
wherein,
as shown in fig. 3, threaded portions 31 are symmetrically provided at both ends of the pull rod 30, the threaded portions 31 at both ends pass through the first gap 11 and the second gap 22, respectively, the upper end of the pull rod 30 is fixed to the first support frame 10 by the first fixing nut 13, and the lower end of the pull rod 30 is fixed to the second support frame 20 by the second fixing nut 23.
In this embodiment, pull rod 30 passes through first fixation nut 13, second fixation nut 23 is fixed on first support frame 10 and second support frame 20, and pull rod 30 can used repeatedly, and pull rod 30 quantity can be adjusted according to stake footpath, girder and secondary beam size to adaptation static load test under the different conditions, simple to operate accords with green construction theory.
As shown in fig. 1, two first cross bars 11 of the first support frame 10 are fixed by a first connecting member 14, a plurality of first connecting members 14 are uniformly distributed between the two first cross bars 11, the first connecting members 14 uniformly divide the first gap 12 into a plurality of mounting gaps 121, in this embodiment, 3 first connecting members 14 are distributed at both ends and in the middle of the first gap 12, divide the first gap 12 into two mounting gaps 121, and the upper end screw thread portions 31 of the two tie bars 30 pass through the mounting gaps 121.
As shown in fig. 2, the two second cross bars 21 of the second support frame 20 are fixed by the second connecting members 24, a plurality of second connecting members 24 are uniformly distributed between the two second cross bars 21, the second connecting members 24 uniformly divide the second gap 22 into a plurality of mounting gaps 121, in this embodiment, 3 second connecting members 24 are distributed at both ends and in the middle of the second gap 22, divide the first gap 22 into two mounting gaps 121, and the lower end screw thread portions 31 of the two tie bars 30 pass through the mounting gaps 121.
In this embodiment, the first connecting member 14 has a plate-shaped structure, and the first connecting member 14 has the same structure as the second connecting member 21.
The widths of the first gap 12 and the second gap 22 are larger than the diameters of the threaded portions 31 of the pull rods 30, so that the pull rods 30 can be conveniently fixed on the first support frame 10 and the second support frame 20 after passing through the first gap 12 and the second gap 22.
A gasket 40 is arranged between the first fixing nut 13 and the first supporting frame 10, so that the connection strength of the first fixing nut 13 and the first supporting frame 10 is increased; a gasket 40 is also arranged between the second fixing nut 23 and the second supporting frame 20, so that the connection strength of the second fixing nut 23 and the second supporting frame 20 is increased, as shown in fig. 4, a threaded hole 41 is formed in the middle of the gasket 40, and after the threaded portion 31 of the pull rod 30 passes through the threaded hole 41, the upper end and the lower end of the pull rod 30 are respectively fixed by the first fixing bolt 13 and the second fixing bolt 14.
In this embodiment, the first rail 11 and the second rail 21 are 22a channel steel.
In order to reduce the cost and facilitate the manufacture, in the embodiment, the first connecting piece 14 and the second connecting piece 24 are steel plates with the thickness of 30mm, the width of the first gap 12 and the second gap 22 is 50mm, the diameter of the pull rod 30 is 30mm, and the length is 1.5m; the length of the screw portions 31 at both ends is 0.5M, and the first fixing nut 13 and the second fixing nut 23 are M30 nuts.
When the pull rod device is used for carrying out a single-pile vertical compressive strength test, the first support frame 10 is respectively placed at two ends of the secondary beam, the second support frame 20 is welded on the anchor pile, and the pull rod 30 passes through the first support frame 10 and the second support frame 20 and is fixed through the first fixing nut 13, the second fixing nut 23 and the gasket 40; the quantity of the pull rods 30 can be adjusted according to the bearing capacity of the foundation piles, 4 pull rods 30 are placed in the test, the jack 50 is continuously stretched in the test, vertical pressure is generated on the test piles, vertical thrust is generated on the main beams, counter force is provided on the main beams and is conducted to the secondary beams, and vertical drawing force is transmitted to the anchor piles through counter force beam pull rod devices on the secondary beams.
When the pull rod device is used for carrying out a single pile vertical pulling strength test, the first support frame 10 is placed on the main beam, the second support frame 20 is welded on the test pile, and the pull rod 30 passes through the first support frame 10 and the second support frame 20 and is fixed through the first fixing nut 13, the second fixing nut 23 and the gasket 40; during the test, the jack is continuously elongated, vertical thrust is generated on the main beam, and the vertical thrust is transmitted to the test pile through the counter-force beam pull rod device on the main beam, so that the vertical tensile test is realized.
According to the ocean foundation static load test girder counter-force beam pull rod device, the pull rods are fixed on the first support frame and the second support frame through nuts, the pull rods can be reused, the number of the pull rods can be adjusted according to the pile diameter, the size of the main girder and the size of the secondary girder so as to adapt to static load tests under different conditions, and the ocean foundation static load test girder counter-force beam pull rod device is convenient to install and accords with the green construction concept;
the vertical compression-resistant static load test of the single pile with the compression-resistant ultimate bearing capacity of 9600kN foundation pile and the vertical anti-pulling static load test of the single pile with the anti-pulling ultimate bearing capacity of 2400kN foundation pile can be carried out, and the vertical compression-resistant and anti-pulling load test of most ocean engineering foundation piles can be met.
Finally, it should be noted that: in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.
Claims (7)
1. The utility model provides a marine base dress static load test girder counter-force beam pull rod device which characterized in that includes:
the first support frame is placed on the counterforce beam of the pile to be tested and comprises two first cross bars which are arranged in parallel, and a first gap is formed between the two first cross bars;
the second support frame is positioned below the first support frame, is fixed on the test pile or the anchor pile and comprises two second cross bars which are arranged in parallel, and a second gap is formed between the two second cross bars;
the at least two pull rods are vertically and uniformly arranged between the first support frame and the second support frame, and the upper end and the lower end of each pull rod respectively penetrate through the first gap and the second gap;
wherein,
the two ends of the pull rod are symmetrically provided with threaded parts, the threaded parts at the two ends respectively penetrate through the first gap and the second gap, the upper end of the pull rod is fixed on the first support frame through a first fixing nut, and the lower end of the pull rod is fixed on the second support frame through a second fixing nut.
2. The ocean-based static load test girder counter-force beam pull rod device according to claim 1, wherein two first cross rods of the first support frame are fixed through a plurality of first connecting pieces, the first connecting pieces are uniformly distributed between the two first cross rods, the first connecting pieces uniformly divide the first gap into a plurality of mounting gaps, and an upper threaded portion of the pull rod penetrates through the mounting gaps.
3. The marine base loading test main beam counter-force beam pull rod device according to claim 2, wherein two second cross rods of the second support frame are fixed through a plurality of second connecting pieces, the second connecting pieces are uniformly distributed between the two second cross rods, the second connecting pieces uniformly divide the second gap into a plurality of mounting gaps, and lower end threaded portions of the pull rods penetrate through the mounting gaps.
4. The marine base load test main beam counter-force beam drawbar assembly of claim 3, wherein the first connector is of a plate-like configuration and the first connector is of the same configuration as the second connector.
5. The marine base load test main beam counter-force beam drawbar apparatus of claim 1, wherein the widths of the first gap and the second gap are each greater than the diameter of the threaded portion of the drawbar.
6. The marine base loading test main beam counter-force beam drawbar device of claim 5, wherein a spacer is disposed between the first fixing nut and the first support frame, and a spacer is also disposed between the second fixing nut and the second support frame.
7. The marine base loading test main beam counter-force beam drawbar assembly of claim 1, wherein the first cross bar and the second cross bar are channel steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321655594.0U CN220117314U (en) | 2023-06-27 | 2023-06-27 | Main girder counter-force beam pull rod device for ocean base loading static load test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321655594.0U CN220117314U (en) | 2023-06-27 | 2023-06-27 | Main girder counter-force beam pull rod device for ocean base loading static load test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220117314U true CN220117314U (en) | 2023-12-01 |
Family
ID=88894956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321655594.0U Active CN220117314U (en) | 2023-06-27 | 2023-06-27 | Main girder counter-force beam pull rod device for ocean base loading static load test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220117314U (en) |
-
2023
- 2023-06-27 CN CN202321655594.0U patent/CN220117314U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110018045B (en) | Counterforce device for pier stud pseudo-static test | |
| CN220117314U (en) | Main girder counter-force beam pull rod device for ocean base loading static load test | |
| CN210834463U (en) | Can unite compression fatigue testing machine to carry out tensile fatigue test's tool equipment | |
| CN210571796U (en) | Fatigue test device for steel box girder oblique web | |
| CN218479224U (en) | Anti-pulling device for concrete filling pile | |
| CN213836320U (en) | Staple bolt jack support system construction equipment | |
| CN108362578B (en) | Shear bearing capacity testing device for thin steel plate stud | |
| KR19990073388A (en) | an process of loading teste for loading structure use of transferable loading-apparatus | |
| KR200286390Y1 (en) | The connecting structure of maintained-load test device | |
| CN209760227U (en) | prestressed anchor rod tensioning device of top pivoting frame of miter gate | |
| CN211171631U (en) | System for pre-pressing large-scale beam support through multi-point anchoring and stretching method | |
| CN209837123U (en) | Pile foundation static load test device | |
| CN210684807U (en) | Pulling force reverse-pulling connecting device between building foundation pile and upward-pulling cross beam | |
| CN218444832U (en) | Anchor bolt drawing device | |
| CN214143847U (en) | Pile foundation resistance to plucking static load test device | |
| CN219080441U (en) | Cast-in-place pile anti-pulling device | |
| CN211621580U (en) | Pile pressing device adopting double-jack anchor rod static pressure pile | |
| CN105256846A (en) | Connecting device special for single-pile vertical pulling test | |
| CN215492854U (en) | Experimental device for inspection rod iron bracket bearing capacity | |
| CN210712977U (en) | Connecting member of anchor pile counter-force beam device | |
| CN220224978U (en) | Bracket for single pier large cantilever bent cap construction | |
| CN219773049U (en) | Connection anchor disc based on pile foundation anchor pile method static load test | |
| CN220978138U (en) | Single pile vertical pulling-resistant static load test detection anchorage counter-force device | |
| CN220318607U (en) | Straight-line type distributed anchor pile method foundation pile static load test system | |
| CN215055557U (en) | Steel construction safety rope fixing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |