CN217419771U - High strain detection weight and sensor protection device for pile foundation on water - Google Patents
High strain detection weight and sensor protection device for pile foundation on water Download PDFInfo
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- CN217419771U CN217419771U CN202221403111.3U CN202221403111U CN217419771U CN 217419771 U CN217419771 U CN 217419771U CN 202221403111 U CN202221403111 U CN 202221403111U CN 217419771 U CN217419771 U CN 217419771U
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- heavy hammer
- high strain
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Abstract
The utility model discloses a pile foundation height on water meets an emergency and detects weight and sensor protection device, it includes: the pile casing is sleeved outside the water pile foundation; with fender bracket of protecting a section of thick bamboo and being connected includes: the protective guard is positioned above the pile casing and is adjustable in size and used for guiding the falling direction of a heavy hammer during high strain detection of the pile foundation on water; and the connecting structures are respectively connected with the protective guard and the protective cylinder and are used for preventing the heavy hammer from being deflected and falling into water or damaging the frame body on the periphery of the pile foundation. The utility model discloses detection weight and sensor protection device are met an emergency to pile foundation height on water effectively prevents that the weight from taking place the incline behind the hammering pile head and falling into the phenomenon of aquatic, has reduced the safe risk of operation process simultaneously, and sensor line or person sensor damage when preventing the high detection of meeting an emergency reduces check-out time and detection cost, improves detection efficiency.
Description
Technical Field
The utility model relates to a high strain detection technical field of pile foundation on water especially relates to a high strain detection weight of pile foundation on water and sensor protection device.
Background
At present, it is a mature process to adopt pile foundations as foundations for marine buildings such as sea-crossing bridges and wharfs, and it is a relatively common detection method to verify the completeness and bearing capacity of a pile body by high strain after the construction of the pile foundations, and usually, the heavy hammer for high strain detection is more than 5t (i.e. 5 tons).
Among the prior art, the pile foundation construction on water adopts the steel platform as construction platform usually, the bearing capacity of steel platform often can only satisfy small-size punching drill or reverse circulation rig and carry out the requirement of being under construction, consequently, the stand interval of setting up the platform is great, the pile foundation construction is accomplished the back, the pile foundation is far away from the stand, when carrying out high strain detection, adopt weight hammering stand to carry out high strain detection, the stand is peripheral does not have safeguard measure, the weight very easily drops to the aquatic, should not salvage, there is the safety risk simultaneously.
Disclosure of Invention
The utility model aims at providing a pile foundation height on water meets an emergency and detects weight and sensor protection device in order to overcome the problem that above-mentioned prior art exists.
In order to realize the above-mentioned purpose, the utility model provides a pile foundation height on water meets an emergency and detects weight and sensor protection device, it includes: the pile casing is sleeved outside the water pile foundation; with fender bracket of protecting a section of thick bamboo and being connected includes: the protective guard is positioned above the pile casing and is adjustable in size and used for guiding the falling direction of a heavy hammer during high strain detection of the pile foundation on water; and the connecting structures are respectively connected with the protective guard and the protective cylinder and are used for preventing the heavy hammer from being deflected and falling into water or damaging the frame body on the periphery of the pile foundation.
Preferably, the casing is cylindrical, and the inner diameter of the casing is larger than the outer diameter of the pile foundation.
Preferably, the guard rail is square or circular.
Preferably, a height difference exists between a horizontal plane of the bottom end face of the guard rail and a horizontal plane of the top end face of the guard cylinder.
Preferably, the height difference is 5-10 cm.
Preferably, the connection structure includes: a plurality of brackets connecting the guard rail with the upper part of the guard cylinder; and a plurality of legs for connecting the guard rail with the lower part of the guard cylinder.
Preferably, the support is a telescopic support, and the support legs are telescopic support legs.
Preferably, the lower part of the casing is provided with a steel bar insertion hole.
Preferably, the lower part of the pile casing is provided with a reinforcing bearing platform which protrudes outwards along the radial direction.
Compared with the prior art, the utility model discloses a high strain detection weight of pile foundation on water and sensor protection device has following advantage:
the utility model discloses high strain detection weight of pile foundation on water and sensor protection device, simple structure, convenient to use, the weight of solving the high strain detection of pile foundation on water among the prior art takes place the incline and fall into the problem of aquatic behind the hammering pile head, reduces the safe risk of operation process, and sensor line or sensor damage when preventing high strain detection reduces check-out time and detection cost, improves detection efficiency.
Hereinafter, the structure of the present invention will be described with reference to the drawings.
Drawings
Fig. 1 is a schematic view of a first structure of the high strain detection weight and sensor protection device for the underwater pile foundation of the present invention;
fig. 2 is a schematic diagram of the second structure of the water pile foundation high strain detection weight and sensor protection device of the present invention.
Detailed Description
As shown in fig. 1 and fig. 2, do respectively the utility model discloses two kinds of schematic structural diagrams of the high strain detection weight of pile foundation on water and sensor protection device can be known by fig. 1, fig. 2, the utility model discloses the high strain detection weight of pile foundation on water and sensor protection device includes: the casing 1 is used for being sleeved outside the water pile foundation (not shown in the figure); with fender bracket of protecting a section of thick bamboo and being connected includes: the protective guard 4 is positioned above the protective cylinder and has adjustable size and is used for guiding the falling direction of the heavy hammer during high strain detection of the underwater pile foundation; and the connecting structures are respectively connected with the protective guard and the protective cylinder and are used for preventing the heavy hammer from being deflected and falling into water or damaging the frame body on the periphery of the pile foundation.
Specifically, the utility model discloses a protect a steel that 1 adoption stainless steel of section of thick bamboo made and protect a section of thick bamboo, need ensure certain intensity, protect a section of thick bamboo diameter according to waiting to carry out the diameter reasonable certainty of the pile foundation on water of high strain detection, during the design, require to protect a section of thick bamboo diameter and be greater than pile foundation external diameter 5cm-8cm, protect a section of thick bamboo wall thickness and be greater than 1cm, protect a section of thick bamboo length and be 50cm-100cm to it is reliable to protect a section of thick bamboo suit to connect when on the pile foundation, and protects a section of thick bamboo seam welding quality and need satisfy the requirement. Entangle the pile foundation top through the casing, the heavy hammer hammering pile foundation top leads to the concrete corner of pile bolck to break and fall the piece when avoiding high strain detection to avoid setting up the sensor line or the emergence of the sensor damaged condition of the detection usefulness on the pile foundation because of the concrete piece that drops.
For preventing to protect a suit and follow the pile foundation landing after on the pile foundation, the utility model discloses can set up the reinforcing bar at a fender lower part and insert and put hole (not shown in the figure), during the setting, can follow a fender circumference equipartition and set up two or three or a plurality of through-holes, it is corresponding, set up the jack that corresponds on the pile foundation to will protect a location on the pile foundation through the mode that passes the reinforcing bar that corresponds and insert hole and jack. Or, a reinforcing bearing platform 5 (shown in fig. 2) protruding outwards in the radial direction can be arranged on the lower portion of the pile casing, and the steel bars inserted into the pile foundation insertion holes can abut against the lower surface of the bearing platform, so that the bearing force of the steel bars on the pile casing is improved, and the pile casing is prevented from sliding downwards from the pile foundation.
Wherein, with the fender bracket of protecting a section of thick bamboo and being connected including: the protective guard 4 is positioned above the pile casing 1 and has adjustable size and is used for guiding the falling direction of a heavy hammer during high strain detection of the pile foundation on water; and the connecting structures are respectively connected with the protective guard and the protective cylinder and are used for preventing the heavy hammer from being deflected and falling into water or damaging the frame body on the periphery of the pile foundation.
The guard rail may have a square shape (as shown in fig. 1 and 2) or a circular shape (not shown). The protective guard can be made of channel steel or steel pipes or steel bars, and the adopted materials have enough strength to support the heavy hammer when the heavy hammer falls regardless of the materials.
The utility model discloses a 4 adjustable sizes of rail guard, during the preparation, can adopt many channel-section steels or steel pipe or reinforcing bar to form through two liang of modes of pegging graft. For example, when steel bars are used, an insertion pipe is arranged at the end of one steel bar, the end of the other steel bar can be inserted into the insertion pipe, and the external dimension of the formed protective guard is adjusted by adjusting the depth of the other steel bar inserted into the insertion pipe. Of course, other ways of adjusting the size of the guard rail may be used as well, as is known in the art.
Through the weight whereabouts direction of rail guard guide pile foundation height on water strain detection time measuring to through the size of adjusting the rail guard, make the utility model discloses a device can be suitable for the weight of unidimensional and weight not.
And the connection structure for connecting the guard rail and the guard cylinder comprises: a plurality of brackets 3 connecting the guard rail with the upper part of the guard cylinder; a plurality of legs 2 (4 brackets and legs are shown in the figure) connecting the guard rail to the lower portion of the guard cylinder. When in design, the support adopts a telescopic support, and the support legs adopt telescopic support legs so as to be correspondingly adjusted according to the size of the protective guard. The telescopic support and the telescopic supporting legs can be made of steel bars or channel steel or steel pipes, correspondingly, in order to enable the lengths of the support and the supporting legs to be adjustable, a plurality of steel bars or channel steel or steel pipes can be connected together in an inserting mode, for example, when the support is made of a plurality of steel pipes, one steel pipe is inserted into the other steel pipe, and the length of the formed support is adjusted through the insertion depth; or, the two steel pipes can be connected together through a hydraulic rod or an air rod, and the length can be adjusted through the extension and contraction of the hydraulic rod or the air rod. The length dimension of the connecting structure supporting leg and the support can be adjusted to adapt to the dimensions of different weights.
During manufacturing, the height difference is formed between the horizontal plane of the bottom end face of the protective fence and the horizontal plane of the top end face of the protective cylinder, and the height difference is 5-10cm during assembly. The components which are matched with each other, such as the guard rail and the bracket, the bracket and the protective cylinder, and the protective cylinder and the supporting leg, can be connected together in a welding mode, and can also be connected together in a detachable mode, such as a bolt connection mode.
The protective fence and the pile casing are connected together through the connecting structure, and the connecting structure adopts the plurality of supports and the supporting legs, so that the heavy hammer can be prevented from dropping into water or damaging the frame body at the periphery of the pile foundation due to deflection when the heavy hammer strikes the pile foundation.
The utility model discloses a device protects the making devices material of a section of thick bamboo, landing leg, support, rail guard and has certain intensity and rigidity, can satisfy the construction requirement, and each component can be adjusted the size according to weight, the size of weight, the suitability is wider, and the construction is simple, maneuverability is strong, low cost, but wide application in the protection of the high strain detection weight of pile foundation on water.
The following describes the manufacturing and usage of a protection device according to an embodiment of the present invention:
chiseling the pile head: before high strain is produced, firstly, floating slurry at a pile head (the upper part of a pile foundation) is chiseled off until the strength of a test is met.
Manufacturing a protection device: firstly, preparing materials, selecting a steel pile casing with the diameter being 5cm larger than that of the pile, enabling the length of the pile casing to be 50-100 cm, manufacturing a protection frame by utilizing channel steel and reinforcing steel bars, and welding the protection frame and the pile casing together. During manufacturing, the guard rail is required to be ensured to have a guiding function, and the heavy hammer can fall along the guard rail when falling, so that the peripheral connecting frame is not damaged.
Installing a protection device: after the protection device is manufactured, a crane is adopted for placing, the top surface of the pile casing is required to be lower than the pile top (namely the top of the pile foundation) by 5-10cm during placing, at least 3 holes are drilled on the pile foundation tightly attached to the pile casing at the bottom of the pile casing, and reinforcing steel bars are installed in the holes and used for supporting the protection device.
Carrying out a high strain detection test on the pile foundation by using a heavy hammer: and hammering the heavy hammer to the top of the pile foundation along the protection frame to perform a high-strain detection test.
And (3) post-treatment of the test: and after the test detection is finished, the protection device is pulled out by a crane, and each drilling hole on the pile foundation is plugged by adopting pre-shrinking mortar. Wherein, if the drill hole is positioned in the pile top breaking area, the treatment is not needed.
Adopt the utility model discloses pile foundation height on water meets an emergency and detects weight and sensor protection device solves among the prior art and goes up the weight that pile foundation height meets an emergency and detects and take place the incline and fall into the problem of aquatic behind the hammering pile head, reduces operation process's safe risk. In addition, when the high strain of the above-water pile foundation is detected, a sensor is generally required to be buried in a pile body (the sensor is generally buried in a position 1.5-2 m below a pile top and is expensive), in the prior art, when the high strain test is carried out, a heavy hammer is hammered down, a concrete corner at the top of the pile foundation is broken and falls off, a sensor wire or the sensor is damaged, the sensor needs to be replaced, the detection time and the detection cost are increased, the detection efficiency is reduced, the protection device provided by the application is adopted, the pile top concrete can be wrapped by the protection cylinder, therefore, the concrete block cannot fall off even if the pile top concrete is damaged, the completeness of the sensor is ensured, and the success rate of detection is ensured.
Although the above is the detailed description of the present invention, the present invention is not limited thereto, and those skilled in the art can modify the principle of the present invention, therefore, various modifications performed according to the principle of the present invention should be understood as falling into the protection scope of the present invention.
Claims (8)
1. The utility model provides a high strain detection weight and sensor protection device of pile foundation on water, its characterized in that includes:
the pile casing is sleeved outside the water pile foundation;
with fender bracket of protecting a section of thick bamboo and being connected includes: the protective guard is positioned above the pile casing and is adjustable in size and used for guiding the falling direction of a heavy hammer during high strain detection of the pile foundation on water; and the connecting structures are respectively connected with the protective guard and the protective cylinder and are used for preventing the heavy hammer from being deflected and falling into water or damaging the frame body on the periphery of the pile foundation.
2. The device for detecting the heavy hammer and the sensor for high strain of the underwater pile foundation as claimed in claim 1, wherein the casing is cylindrical and has an inner diameter larger than an outer diameter of the pile foundation.
3. The device for detecting the heavy hammer and the sensor for detecting the high strain of the underwater pile foundation as claimed in claim 1, wherein the guard rail is square or circular.
4. The device for detecting the heavy hammer and sensor for the high strain of the aquatic pile foundation according to any one of claims 1-3, wherein a height difference exists between a horizontal plane of a bottom end surface of the guard rail and a horizontal plane of a top end surface of the casing.
5. The device for detecting the heavy hammer and protecting the sensor of the underwater pile foundation according to claim 1, wherein the connecting structure comprises:
a plurality of brackets connecting the guard rail with the upper part of the guard cylinder;
and a plurality of legs for connecting the guard rail with the lower part of the guard cylinder.
6. The device for detecting the heavy hammer and sensor for high strain of underwater pile foundation as claimed in claim 5, wherein the support is a telescopic support and the support legs are telescopic support legs.
7. The device for detecting the heavy hammer and protecting the sensor of the underwater pile foundation according to claim 1, wherein the lower portion of the casing is provided with a steel bar insertion hole.
8. The device for detecting the heavy hammer and protecting the sensor of high strain on the underwater pile foundation of claim 1, wherein the lower part of the casing is provided with a reinforcing bearing platform protruding outwards in the radial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221403111.3U CN217419771U (en) | 2022-06-07 | 2022-06-07 | High strain detection weight and sensor protection device for pile foundation on water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221403111.3U CN217419771U (en) | 2022-06-07 | 2022-06-07 | High strain detection weight and sensor protection device for pile foundation on water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217419771U true CN217419771U (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221403111.3U Active CN217419771U (en) | 2022-06-07 | 2022-06-07 | High strain detection weight and sensor protection device for pile foundation on water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217419771U (en) |
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2022
- 2022-06-07 CN CN202221403111.3U patent/CN217419771U/en active Active
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