CN117005473A - Precast pile construction perpendicularity detection method - Google Patents
Precast pile construction perpendicularity detection method Download PDFInfo
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- CN117005473A CN117005473A CN202310921968.7A CN202310921968A CN117005473A CN 117005473 A CN117005473 A CN 117005473A CN 202310921968 A CN202310921968 A CN 202310921968A CN 117005473 A CN117005473 A CN 117005473A
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- precast pile
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- 238000010276 construction Methods 0.000 title claims abstract description 45
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims description 8
- 238000012795 verification Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 238000011897 real-time detection Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
Abstract
The invention relates to a precast pile construction perpendicularity detection method, which comprises the following steps: 1) Installing a precast pile driving mechanism; 2) Installing a sensor; 3) Adjusting the verticality of the bracket; 4) Fixing a precast pile; 5) Precast pile driving, precast pile straightness detection that hangs down, precast pile construction straightness detection method adopts biax inclination sensor real-time detection precast pile construction in-process X, Y two vertical direction's vertical straightness to monitor, in time master pile body straightness meeting the requirements whether, can improve efficiency of construction and construction quality, and need not manual observation operation, detect data accuracy.
Description
Technical Field
The invention relates to a detection tool, in particular to a precast pile construction perpendicularity detection method.
Background
Precast pile is a common deep foundation pile type, pile type and construction technology are mature, and in recent years, innovation is developed to generate a plurality of novel precast pile types, such as special precast piles (bamboo joint piles, screw-lock type prestressed concrete square piles), stiff composite piles and the like. The precast pile has the characteristics of high construction efficiency, visual and reliable construction result, less environmental pollution in the construction process and the like, and the precast pile is increasingly widely applied along with the continuous innovation, development and perfection of the precast pile construction technology and pile type construction process at present, and the proportion weight in the pile foundation construction engineering is increasingly increased.
Along with the wide application of precast piles, higher requirements are also put forward on pile foundation construction quality; the pile verticality is an important technical index directly related to the construction quality of the pile foundation; in the construction process, if the perpendicularity and inclination of the pile body are not satisfied, quality accidents such as inclined pile, pile body damage, deviation and the like are easily caused, and the construction result can lead to great discount on pile bearing capacity and stability, so that the design requirement is difficult to achieve.
At present, the perpendicularity of the pile is monitored mainly by adopting two theodolites to observe the vertical angle of the pile body in the vertical direction; the method has the advantages of strong operability, relatively low efficiency, troublesome instrument erection, easy interference by external factors and special constructors during measurement.
Disclosure of Invention
In view of the foregoing drawbacks of the prior art, an object of the present invention is to provide a method for detecting perpendicularity of precast pile construction, so as to solve one or more problems in the prior art.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
a precast pile construction perpendicularity detection method comprises the following steps:
1) And (3) installing a precast pile driving mechanism: the precast pile driver reaches a construction site, a base of the precast pile driver is supported on the ground through an adjustable supporting foot, a bracket vertical to the base is connected to the base, the bracket is connected with a plurality of guide rods, the guide rods are also vertical to the base, precast pile fixing mechanisms for fixing precast piles are penetrated on the guide rods, and the bracket is connected with a driving mechanism for driving the precast pile fixing mechanisms to move;
2) And (2) sensor installation: connecting a dual-axis tilt sensor to one side of the bracket, and electrically connecting the dual-axis tilt sensor to the control terminal through a cable;
3) And (3) adjusting the perpendicularity of the support: the double-shaft inclination sensor can detect the perpendicularity of the bracket and transmit the perpendicularity data to the control terminal, and the control terminal can control the adjustable supporting footing to adjust the base to be horizontal according to the perpendicularity data of the bracket so that the bracket is vertical to the horizontal plane;
4) Fixing the precast pile: the precast pile is fixedly connected through a precast pile fixing mechanism, and the precast pile is ensured to be vertical to the base;
5) Piling a precast pile and detecting the perpendicularity of the precast pile: the driving mechanism drives the precast pile fixing mechanism and the fixed precast pile to drive the precast pile into the ground together, piling operation of the precast pile is carried out, and the perpendicularity of the support can be detected in real time through the double-shaft inclination sensor in the precast pile piling process.
As a further improvement of the above technical scheme:
the precast pile driving mechanism is an impact precast pile driving mechanism, the precast pile fixing mechanism of the impact precast pile driving mechanism is an impact fixed chuck, the impact fixed chuck penetrates through a guide rod connected with a support, the driving mechanism is an impact hammer arranged on the impact fixed chuck, and the impact hammer is arranged on the support in a lifting manner.
The impact fixing chuck is connected with a hammering guide rod, and the impact hammer is penetrated on the hammering guide rod and can move up and down on the hammering guide rod.
The precast pile driving mechanism is a hydraulic precast pile driving mechanism, two supports are arranged on a base of the hydraulic precast pile driving mechanism, the driving mechanism is a hydraulic cylinder connected to the supports, the precast pile fixing mechanism is a pile clamping device connected to the lower side of the driving end of the hydraulic cylinder, the pile clamping device clamps and fixes precast piles, and the pile clamping device penetrates through a guide rod between the supports and the base.
Step 4) after the precast pile fixing mechanism is fixedly connected with the precast pile, the double-shaft inclination sensor can be detachably connected to one side of the precast pile and used for directly detecting the perpendicularity of the precast pile, the perpendicularity of the precast pile and the support is used for comparison, whether the precast pile is vertical to the base or not can be detected, inclination deviation is prevented when the precast pile fixing mechanism is used for fixing the precast pile, and after the perpendicularity adjustment of the precast pile and the support is consistent, the double-shaft inclination sensor is detached from the precast pile, and step 5 is carried out.
And 5) after piling, the double-shaft inclination angle sensor can be detachably connected to one side of the precast pile, the perpendicularity of the precast pile is directly detected again through the double-shaft inclination angle sensor, final verification of the perpendicularity of the precast pile is carried out, and after verification is completed, the double-shaft inclination angle sensor is detached from one side of the precast pile again.
The double-shaft inclination sensor comprises a connecting base, wherein a connecting hole is formed in the connecting base, and the double-shaft inclination sensor is detachably connected with the precast pile through a hoop.
The supporting feet are hydraulic supporting feet.
Compared with the prior art, the invention has the following beneficial technical effects:
1) According to the precast pile construction verticality detection method, the biaxial inclination sensor is adopted for verticality detection, and as the precast pile, the guide rod and the support can keep the vertical base, the verticality of the support can be detected through the biaxial inclination sensor, so that the construction verticality of the precast pile can be detected in a variable phase manner, the vertical verticality of X, Y in two vertical directions in the precast pile construction process can be detected in real time for monitoring, whether the verticality of a pile body meets the requirements or not can be mastered in time, the construction efficiency and the construction quality can be improved, manual observation operation is not needed, and the detection data is accurate;
2) The precast pile construction verticality detection method can be applied to an impact precast pile driving mechanism and a hydraulic precast pile driving mechanism, and is wide in application;
3) The prefabricated pile can be respectively connected with the double-shaft inclination angle sensor before and after piling, the prefabricated pile and the direct perpendicularity are guaranteed to be the same before piling, inclination is prevented when the prefabricated pile is fixed, and the problem that the perpendicularity of a bracket is inconsistent with that of the prefabricated pile is prevented;
4) And when piling is finished, the perpendicularity of the prefabricated column can be measured again, so that the perpendicularity of the final prefabricated column is ensured to meet the requirements.
Drawings
Fig. 1 shows a side view of an application of the precast pile construction verticality detection method of the first embodiment to an impact precast pile driving mechanism.
Fig. 2 shows a front view of an application of the precast pile construction verticality detection method of the second embodiment to an impact precast pile driving mechanism.
Fig. 3 shows a side view of an application of the precast pile construction verticality detection method of the second embodiment to an impact precast pile driving mechanism.
The reference numerals in the drawings:
1. a dual-axis tilt sensor; 2. a base; 21. supporting feet; 3. a bracket; 4. a guide rod; 5. precast piles; 6. striking the fixed chuck; 61. hammering the guide rod; 7. a percussion hammer; 8. a hydraulic cylinder; 9. pile clamping device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following more detailed description of the device according to the present invention is given with reference to the accompanying drawings and the detailed description. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for the purpose of facilitating and clearly aiding in the description of embodiments of the invention. For a better understanding of the invention with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it would be understood by those skilled in the art, and that any structural modifications, proportional changes, or dimensional adjustments made in the drawings should not be construed as unduly limiting the invention, but rather as falling within the scope of the invention herein disclosed.
Example 1
As shown in fig. 1, the method for detecting the construction verticality of the precast pile according to the embodiment includes the following steps:
1) And (3) installing a precast pile driving mechanism: the precast pile driver reaches a construction site, the base 2 of the precast pile driver is supported on the ground through the adjustable supporting footing 21, the base 2 is connected with a bracket 3 vertical to the base 2, the bracket 3 is connected with two guide rods 4, the guide rods 4 are also vertical to the base 2, the guide rods 4 are penetrated with impact fixing chucks 6 for fixing precast piles 5, the impact fixing chucks 6 are connected with hammering guide rods 61, the hammering guide rods 61 are penetrated with impact hammers 7 for driving the impact fixing chucks 6 to move, and the impact hammers 7 can move up and down on the hammering guide rods 61;
2) And (2) sensor installation: the dual-axis tilt sensor 1 is connected to one side of the bracket 3, and the dual-axis tilt sensor 1 is electrically connected to a control terminal through a cable;
3) And (3) adjusting the perpendicularity of the support: the double-shaft inclination sensor 1 can detect the perpendicularity of the bracket 3 and transmit the perpendicularity data to the control terminal, and the control terminal can control the adjustable supporting foot 21 to adjust the base 2 to be horizontal according to the perpendicularity data of the bracket 3 so that the bracket 3 is vertical to the horizontal plane;
4) Fixing the precast pile: the precast pile 5 is fixedly connected through the impact fixed chuck 6;
5) And (3) initial detection of verticality of the precast pile: the double-shaft inclination sensor 1 is detachably connected to one side of the precast pile 5, the double-shaft inclination sensor 1 is also connected with a control terminal through a cable and is used for directly detecting the initial verticality of the precast pile 5, the initial verticality of the precast pile 5 is compared with the verticality of the support 3, when the initial verticality of the precast pile 5 is inconsistent with the verticality of the support 3, the inclination of the precast pile 5 clamped by the impact fixing chuck 6 is indicated, and the adjustment is needed until the initial verticality of the precast pile 5 is consistent with the verticality of the support 3, so that the precast pile 5 is ensured to be vertical to the base 2 as well as the support 3;
6) Piling a precast pile and detecting the perpendicularity of the precast pile: the impact fixing clamp 6 and the fixed precast pile 5 are driven to be driven into the ground by the impact hammer 7 moving up and down, the piling operation of the precast pile 5 is carried out, the perpendicularity of the support 3 can be detected in real time by the double-shaft inclination sensor 1 in the piling process of the precast pile 5, as the support 3, the guide rod 4 and the precast pile 5 are perpendicular to the base 2, the perpendicularity of the support 3 detected by the double-shaft inclination sensor 1 is the perpendicularity of the precast pile 5, the double-shaft inclination sensor 1 transmits the perpendicularity data of the support 3 to the control terminal in real time, and the control terminal can adjust the levelness of the base 2 by the adjustable supporting foot 21, so that the perpendicularity of the support 3 can be adjusted, and the perpendicularity of the precast pile 4 is ensured to meet the design requirement;
7) And finally detecting the perpendicularity of the precast pile: after piling, the double-shaft inclination angle sensor 1 can be detachably connected with one side of the precast pile 5 again, and the double-shaft inclination angle sensor 1 is connected with a control terminal through a cable, the perpendicularity of the precast pile 5 is directly detected again through the double-shaft inclination angle sensor 1, final verification of the perpendicularity of the precast pile 5 is carried out, and after verification, the double-shaft inclination angle sensor 1 is detached from one side of the precast pile 5 again.
The double-shaft inclination sensor 1 comprises a connecting base, a connecting hole is formed in the connecting base, and the double-shaft inclination sensor 1 is detachably connected with the precast pile 5 through a hoop.
The support feet 21 are hydraulic support feet.
Example two
As shown in fig. 2 and 3, the method for detecting the perpendicularity of precast pile construction according to the present embodiment includes the following steps:
1) And (3) installing a precast pile driving mechanism: the precast pile driver reaches a construction site, the base 2 of the precast pile driver is supported on the ground through an adjustable supporting foot 21, two brackets 3 vertical to the base 2 are connected to the base 2, two guide rods 4 are connected between each bracket 3 and the bottom plate 2, the guide rods 4 are also vertical to the base 2, pile clamping devices 9 for fixing precast piles 5 are penetrated on the guide rods 4, the upper sides of the brackets 3 are connected with hydraulic cylinders 8, the driving ends of the hydraulic cylinders 8 are connected with the pile clamping devices 9, and the hydraulic cylinders 8 can drive the pile clamping devices 9 to move up and down on the guide rods 4;
2) And (2) sensor installation: the dual-axis tilt sensor 1 is connected to one side of the bracket 3, and the dual-axis tilt sensor 1 is electrically connected to a control terminal through a cable;
3) And (3) adjusting the perpendicularity of the support: the double-shaft inclination sensor 1 can detect the perpendicularity of the bracket 3 and transmit the perpendicularity data to the control terminal, and the control terminal can control the adjustable supporting foot 21 to adjust the base 2 to be horizontal according to the perpendicularity data of the bracket 3 so that the bracket 3 is vertical to the horizontal plane;
4) Fixing the precast pile: the precast pile 5 is clamped and fixedly connected through a pile clamping device 9;
5) And (3) initial detection of verticality of the precast pile: the double-shaft inclination sensor 1 is detachably connected to one side of the precast pile 5, the double-shaft inclination sensor 1 is also connected with a control terminal through a cable and is used for directly detecting the initial verticality of the precast pile 5, the initial verticality of the precast pile 5 is compared with the verticality of the support 3, when the initial verticality of the precast pile 5 is inconsistent with the verticality of the support 3, the precast pile 5 clamped by the pile clamping device 9 is inclined and needs to be adjusted until the initial verticality of the precast pile 5 is consistent with the verticality of the support 3, and the precast pile 5 is ensured to be vertical to the base 2 as well as the support 3;
6) Piling a precast pile and detecting the perpendicularity of the precast pile: the hydraulic cylinder 8 drives the pile clamping device 9 and the fixed precast pile 5 to be driven into the ground together to perform piling operation of the precast pile 5, and the perpendicularity of the support 3 can be detected in real time through the double-shaft inclination sensor 1 in the piling process of the precast pile 5, and as the support 3, the guide rod 4 and the precast pile 5 are perpendicular to the base 2, the perpendicularity of the support 3 detected by the double-shaft inclination sensor 1 is the perpendicularity of the precast pile 5, the double-shaft inclination sensor 1 transmits the perpendicularity data of the support 3 to a control terminal in real time, and the control terminal can adjust the levelness of the base 2 through the adjustable supporting footing 21, so that the perpendicularity of the support 3 can be adjusted, the perpendicularity of the precast pile 4 can be adjusted, and the perpendicularity of the precast pile 4 is ensured to meet design requirements;
7) And finally detecting the perpendicularity of the precast pile: after piling, the double-shaft inclination angle sensor 1 can be detachably connected with one side of the precast pile 5 again, and the double-shaft inclination angle sensor 1 is connected with a control terminal through a cable, the perpendicularity of the precast pile 5 is directly detected again through the double-shaft inclination angle sensor 1, final verification of the perpendicularity of the precast pile 5 is carried out, and after verification, the double-shaft inclination angle sensor 1 is detached from one side of the precast pile 5 again.
The double-shaft inclination sensor 1 comprises a connecting base, a connecting hole is formed in the connecting base, and the double-shaft inclination sensor 1 is detachably connected with the precast pile 5 through a hoop.
The support feet 21 are hydraulic support feet.
The double-shaft inclination angle sensor 1 in the first embodiment and the second embodiment is a Tianmu sensor NS-QJ21 series ultra-high precision double-shaft inclination angle sensor 1, the measurement angle of the double-shaft inclination angle sensor 1 reaches +/-60 degrees at maximum, the resolution is 0.001 degree, and the requirement of actual construction on the perpendicularity precision of piles (generally 1% is required, and the occasional higher requirement at present is 0.25%).
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which shall fall within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. A precast pile construction perpendicularity detection method comprises the following steps:
1) And (3) installing a precast pile driving mechanism: the precast pile driver reaches a construction site, a base of the precast pile driver is supported on the ground through an adjustable supporting foot, a bracket vertical to the base is connected to the base, the bracket is connected with a plurality of guide rods, the guide rods are also vertical to the base, precast pile fixing mechanisms for fixing precast piles are penetrated on the guide rods, and the bracket is connected with a driving mechanism for driving the precast pile fixing mechanisms to move;
2) And (2) sensor installation: connecting a dual-axis tilt sensor to one side of the bracket, and electrically connecting the dual-axis tilt sensor to the control terminal through a cable;
3) And (3) adjusting the perpendicularity of the support: the double-shaft inclination sensor can detect the perpendicularity of the bracket and transmit the perpendicularity data to the control terminal, and the control terminal can control the adjustable supporting footing to adjust the base to be horizontal according to the perpendicularity data of the bracket so that the bracket is vertical to the horizontal plane;
4) Fixing the precast pile: the precast pile is fixedly connected through a precast pile fixing mechanism, and the precast pile is ensured to be vertical to the base;
5) Piling a precast pile and detecting the perpendicularity of the precast pile: the driving mechanism drives the precast pile fixing mechanism and the fixed precast pile to drive the precast pile into the ground together, piling operation of the precast pile is carried out, and the perpendicularity of the support can be detected in real time through the double-shaft inclination sensor in the precast pile piling process.
2. The method for detecting the construction perpendicularity of a precast pile according to claim 1, wherein: the precast pile driving mechanism is an impact precast pile driving mechanism, the precast pile fixing mechanism of the impact precast pile driving mechanism is an impact fixed chuck, the impact fixed chuck penetrates through a guide rod connected with a support, the driving mechanism is an impact hammer arranged on the impact fixed chuck, and the impact hammer is arranged on the support in a lifting manner.
3. A precast pile construction verticality detection method as claimed in claim 2, wherein: the impact fixing chuck is connected with a hammering guide rod, and the impact hammer is penetrated on the hammering guide rod and can move up and down on the hammering guide rod.
4. The method for detecting the construction perpendicularity of a precast pile according to claim 1, wherein: the precast pile driving mechanism is a hydraulic precast pile driving mechanism, two supports are arranged on a base of the hydraulic precast pile driving mechanism, the driving mechanism is a hydraulic cylinder connected to the supports, the precast pile fixing mechanism is a pile clamping device connected to the lower side of the driving end of the hydraulic cylinder, the pile clamping device clamps and fixes precast piles, and the pile clamping device penetrates through a guide rod between the supports and the base.
5. The method for detecting the construction perpendicularity of a precast pile according to claim 1, wherein: step 4) after the precast pile fixing mechanism is fixedly connected with the precast pile, the double-shaft inclination sensor can be detachably connected to one side of the precast pile and used for directly detecting the perpendicularity of the precast pile, the perpendicularity of the precast pile and the support is used for comparison, whether the precast pile is vertical to the base or not can be detected, inclination deviation is prevented when the precast pile fixing mechanism is used for fixing the precast pile, and after the perpendicularity adjustment of the precast pile and the support is consistent, the double-shaft inclination sensor is detached from the precast pile, and step 5 is carried out.
6. The precast pile construction verticality detection method of claim 5, wherein: and 5) after piling, the double-shaft inclination angle sensor can be detachably connected to one side of the precast pile, the perpendicularity of the precast pile is directly detected again through the double-shaft inclination angle sensor, final verification of the perpendicularity of the precast pile is carried out, and after verification is completed, the double-shaft inclination angle sensor is detached from one side of the precast pile again.
7. A precast pile construction verticality detection method as claimed in claim 5 or 6, wherein: the double-shaft inclination sensor comprises a connecting base, wherein a connecting hole is formed in the connecting base, and the double-shaft inclination sensor is detachably connected with the precast pile through a hoop.
8. The method for detecting the construction perpendicularity of a precast pile according to claim 1, wherein: the supporting feet are hydraulic supporting feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310921968.7A CN117005473A (en) | 2023-07-25 | 2023-07-25 | Precast pile construction perpendicularity detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310921968.7A CN117005473A (en) | 2023-07-25 | 2023-07-25 | Precast pile construction perpendicularity detection method |
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| Publication Number | Publication Date |
|---|---|
| CN117005473A true CN117005473A (en) | 2023-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310921968.7A Pending CN117005473A (en) | 2023-07-25 | 2023-07-25 | Precast pile construction perpendicularity detection method |
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| CN (1) | CN117005473A (en) |
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2023
- 2023-07-25 CN CN202310921968.7A patent/CN117005473A/en active Pending
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