CN113914391A - Major diameter pile foundation steel casing perpendicularity monitoring and correcting device and correcting method - Google Patents
Major diameter pile foundation steel casing perpendicularity monitoring and correcting device and correcting method Download PDFInfo
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- CN113914391A CN113914391A CN202111398692.6A CN202111398692A CN113914391A CN 113914391 A CN113914391 A CN 113914391A CN 202111398692 A CN202111398692 A CN 202111398692A CN 113914391 A CN113914391 A CN 113914391A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 127
- 239000010959 steel Substances 0.000 title claims abstract description 127
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000012544 monitoring process Methods 0.000 title claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 238000006073 displacement reaction Methods 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D35/00—Straightening, lifting, or lowering of foundation structures or of constructions erected on foundations
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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
-
- 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
- E02D5/66—Mould-pipes or other moulds
- E02D5/665—Mould-pipes or other moulds for making piles
-
- 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
- E02D5/66—Mould-pipes or other moulds
- E02D5/68—Mould-pipes or other moulds for making bulkheads or elements thereof
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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)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention relates to a device and a method for monitoring and correcting the verticality of a large-diameter pile foundation steel casing, which comprises a steel casing sighting line, a computer terminal, a steel casing, a rigid pulley, a hydraulic jack, a reaction frame and a laser level, wherein the laser level emits a plumb laser line; four reaction frames are arranged and respectively fixed on four diagonal points of the steel casing, scales are arranged on a piston rod of the hydraulic jack, a piston is arranged along the radial direction of the steel casing and is arranged on the reaction frames, and a rigid pulley is arranged at the tail end of the piston and abuts against the periphery of the steel casing; the steel casing sighting line, the center of the rigid pulley and the plumb line of the laser level meter are positioned on the same vertical plane; when the steel casing sighting line deviates, a distance is generated between a plumb line of the laser level meter and the steel casing sighting line, and the four jacks are controlled by the computer terminal to perform telescopic displacement so as to adjust the verticality of the steel casing.
Description
Technical Field
The invention relates to the field of pile foundation construction, in particular to a device and a method for monitoring and correcting the verticality of a large-diameter pile foundation steel casing.
Background
Under some special geological conditions, in order to ensure that the hole wall is stabilized, the hole is prevented from collapsing and the pile position is fixed in the pile foundation construction process, the construction of the steel casing is required. In the process of lowering the steel casing, the verticality of the steel casing is a key for influencing the quality of the pile. Therefore, the verticality deviation of the steel casing of the cast-in-situ bored pile in the sinking process needs to be monitored. And when the verticality deviation occurs, corresponding measures are taken in time to ensure the subsequent pile forming quality. The main construction technology for controlling the perpendicularity of the steel casing in the current cast-in-situ bored pile construction is to observe a lifting bracket with a 90-degree angle between the front surface and the side surface through a total station to determine whether the perpendicularity of the pile needs to be adjusted. The method needs technicians to observe the corbels through the level gauges on the front side and the side, and the technology is greatly influenced by construction and is easy to generate operation errors, so that the verticality deviation after pile forming is larger than the national standard allowable range, and the final pile forming quality is influenced.
Disclosure of Invention
Aiming at the defects, the invention provides a device and a method for monitoring and correcting the verticality of a large-diameter pile foundation steel casing, which can monitor the verticality deviation generated in the sinking process of the steel casing, and take corresponding measures in time according to the monitoring result to improve the final pile forming quality.
The invention solves the technical problem by adopting the scheme that the verticality monitoring and correcting device for the steel pile casing of the large-diameter pile foundation comprises a steel casing sighting line, a computer terminal, the steel casing, a rigid pulley, a hydraulic jack, a reaction frame and a laser level meter, wherein the laser level meter is fixed on the ground and emits a plumb laser line; four counter-force frames are arranged on the ground outside the steel casing, and are respectively fixed on four diagonal points of the steel casing to equally divide the arc outside the steel casing, scales are arranged on a piston rod of the hydraulic jack, a piston is arranged along the radial direction of the steel casing and is arranged on the counter-force frames, and a rigid pulley is arranged at the tail end of the piston and abuts against the periphery of the steel casing;
the two steel casing sight lines are positioned; two laser levels are arranged at the inner sides of two adjacent reaction frames, and the two laser levels are respectively positioned at the outer sides of the two steel casing sight lines;
the centers of the steel casing sighting line, the plumb laser line of the laser level meter and the rigid pulley on the reaction frame between the steel casing sighting line and the plumb laser line are positioned on the same vertical plane;
the hydraulic jack is electrically connected with the computer terminal and is controlled to stretch.
Further, in the firm pulley is fixed in the terminal cuboid recess of piston rod through the axostylus axostyle, the steel pulley center is arranged in to the axostylus axostyle, and steel pulley is through bearing and axostylus axostyle normal running fit, and steel pulley can rotate around the axis pole is free.
Furthermore, the laser level meter is fixed on the ground outside the steel casing in an embedding mode. A verticality monitoring and correcting use method for sinking construction of a large-diameter pile foundation steel casing comprises the following steps:
the method comprises the following steps: before hoisting, engraving two steel casing sight lines on the surface of the steel casing, wherein the two steel casing sight lines are mutually vertical to a connecting line of the circle center of the steel casing;
step two: hoisting the steel casing to the position above the pre-construction ground, installing a rigid pulley, a hydraulic jack and a reaction frame, ensuring that the rigid pulley is tightly attached to the steel casing after installation, and ensuring that the center of the rigid pulley is aligned with a steel casing alignment line;
step three: after the installation is completed, the steel casing is immediately placed, the steel casing generates offset in the placing process, monitoring personnel observe and measure the distance between a plumb laser line emitted by the laser level meter and a steel casing collimation line on the steel casing, the monitoring personnel feed monitoring data back to the computer terminal, and the computer terminal receives information and processes the received information and then controls the four hydraulic jacks to perform telescopic displacement, so that the verticality of the steel casing is adjusted.
Compared with the prior art, the invention has the following beneficial effects: simple structure, reasonable in design can protect a section of thick bamboo to sink the in-process to take place the straightness deviation that hangs down monitoring and correcting, and need not to pause the construction at the in-process of monitoring with rectifying, saves the time limit for a project, and has security and simplicity concurrently, can be accurate effectual suppression steel protect a skew of section of thick bamboo at the in-process of monitoring with rectifying, has avoided the error of artifical use instrument in-process, has guaranteed that the steel protects a section of thick bamboo and has transferred the precision of in-process verticality.
Drawings
The invention is further described with reference to the following figures.
Fig. 1 is a schematic cross-sectional view of the present apparatus.
Fig. 2 is a top view of the device.
FIG. 3 is a schematic view of laser level alignment.
In the figure: 1-laser level meter, 2-reaction frame, 3-hydraulic jack, 4-piston rod, 5-rigid pulley, 6-steel protective cylinder, 7-computer terminal, 8-steel protective cylinder alignment line.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-3, a major diameter pile foundation steel casing verticality monitoring and correcting device comprises a steel casing sighting line 8, a computer terminal 7, a steel casing 6, a rigid pulley 5, a hydraulic jack 3, a reaction frame 2 and a laser level 1, wherein the laser level is fixed on the ground and emits a plumb laser line, the steel casing sighting line is arranged on the peripheral side surface of the steel casing, the steel casing sighting lines are arranged along the axial direction of the steel casing, and the two steel casing sighting lines are perpendicular to the connecting line of the circle center of the steel casing; four counter-force frames are arranged on the ground outside the steel casing, and are respectively fixed on four diagonal points of the steel casing to divide the arc outside the steel casing equally, scales are arranged on a piston rod 4 of the hydraulic jack, a piston is arranged along the radial direction of the steel casing and is arranged on the counter-force frames, and a rigid pulley is arranged at the tail end of the piston and abuts against the periphery of the steel casing;
the two steel casing sight lines are positioned; two laser levels are arranged at the inner sides of two adjacent reaction frames, and the two laser levels are respectively positioned at the outer sides of the two steel casing sight lines;
the centers of the steel casing sighting line, the plumb laser line of the laser level meter and the rigid pulley on the reaction frame between the steel casing sighting line and the plumb laser line are positioned on the same vertical plane;
the hydraulic jack is electrically connected with the computer terminal and is controlled to stretch and retract;
when the steel casing sighting line deviates, the plumb laser line of the laser level gauge and the steel casing sighting line generate a distance, the four jacks are controlled by the computer terminal to perform telescopic displacement, and the verticality of the steel casing is adjusted.
In this embodiment, just the pulley is fixed in the terminal cuboid recess of piston rod through the axostylus axostyle in, steel pulley center is arranged in to the axostylus axostyle, and steel pulley is through bearing and axostylus axostyle normal running fit, and steel pulley can be around the staff free rotation.
In this embodiment, to ensure that the laser level is not affected by the vibration of the steel casing hammering, the laser level is fixed on the ground outside the steel casing by means of embedment.
A verticality monitoring and correcting use method for sinking construction of a large-diameter pile foundation steel casing comprises the following steps:
the method comprises the following steps: before hoisting, engraving two steel casing sight lines on the surface of the steel casing, wherein the two steel casing sight lines are mutually vertical to a connecting line of the circle center of the steel casing;
step two: hoisting the steel casing to the position above the pre-construction ground, installing a rigid pulley, a hydraulic jack and a reaction frame, ensuring that the rigid pulley is tightly attached to the steel casing after installation, and ensuring that the center of the rigid pulley is aligned with a steel casing alignment line;
step three: after the installation is completed, the steel casing is immediately placed, the steel casing generates offset in the placing process, monitoring personnel observe and measure the distance between a plumb laser line emitted by the laser level meter and a steel casing collimation line on the steel casing, the monitoring personnel feed monitoring data back to the computer terminal, and the computer terminal receives information and processes the received information and then controls the four hydraulic jacks to perform telescopic displacement, so that the verticality of the steel casing is adjusted.
For example, when a steel casing deviates to the right, a steel casing alignment line deviates to the right relative to a plumb laser line emitted by a laser level, at the moment, a detection person inputs deviation data into a computer terminal, the computer terminal controls a hydraulic jack to correct the deviation, the hydraulic jack on the right side extends out of a piston rod to the left side, the hydraulic jack on the left side retracts back to the piston rod to the left side, the effect of correcting the deviation of the steel casing is achieved, the deviation correcting process is repeated until the construction is completed, the construction does not need to be stopped in the monitoring and deviation correcting process, and the construction efficiency is improved.
If this patent discloses or refers to parts or structures that are fixedly connected to each other, the fixedly connected may be understood as: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In the description of this patent, it is to be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent. Furthermore, the terms "first", "second", etc. 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 defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
The above-mentioned preferred embodiments, further illustrating the objects, technical solutions and advantages of the present invention, should be understood that the above-mentioned are only preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a major diameter pile foundation steel protects a straightness monitoring and correction device that hangs down which characterized in that: the device comprises a steel casing sighting line, a computer terminal, steel casings, rigid pulleys, hydraulic jacks, a reaction frame and laser levels, wherein the laser levels are fixed on the ground to emit vertical laser lines; four counter-force frames are arranged on the ground outside the steel casing, and are respectively fixed on four diagonal points of the steel casing to equally divide the arc outside the steel casing, scales are arranged on a piston rod of the hydraulic jack, a piston is arranged along the radial direction of the steel casing and is arranged on the counter-force frames, and a rigid pulley is arranged at the tail end of the piston and abuts against the periphery of the steel casing;
the two steel casing sight lines are positioned; two laser levels are arranged at the inner sides of two adjacent reaction frames, and the two laser levels are respectively positioned at the outer sides of the two steel casing sight lines;
the centers of the steel casing sighting line, the plumb laser line of the laser level meter and the rigid pulley on the reaction frame between the steel casing sighting line and the plumb laser line are positioned on the same vertical plane;
the hydraulic jack is electrically connected with the computer terminal and is controlled to stretch.
2. The major diameter pile foundation steel casing straightness monitoring and correcting device that hangs down of claim 1, its characterized in that: the rigid pulley is fixed in a cuboid groove at the tail end of the piston rod through a shaft lever, the shaft lever is arranged in the center of the steel pulley, the steel pulley is in running fit with the shaft lever through a bearing, and the steel pulley can freely rotate around the shaft lever.
3. The major diameter pile foundation steel casing straightness monitoring and correcting device that hangs down of claim 1, its characterized in that: the laser level meter is fixed on the ground outside the steel casing in an embedding mode.
4. The verticality monitoring and correcting method for the sinking construction of the large-diameter pile foundation steel casing adopts the verticality monitoring and correcting device for the large-diameter pile foundation steel casing according to claim 1, and is characterized by comprising the following steps of:
the method comprises the following steps: before hoisting, engraving two steel casing sight lines on the surface of the steel casing, wherein the two steel casing sight lines are mutually vertical to a connecting line of the circle center of the steel casing;
step two: hoisting the steel casing to the position above the pre-construction ground, installing a rigid pulley, a hydraulic jack and a reaction frame, ensuring that the rigid pulley is tightly attached to the steel casing after installation, and ensuring that the center of the rigid pulley is aligned with a steel casing alignment line;
step three: after the installation is completed, the steel casing is immediately placed, the steel casing generates offset in the placing process, monitoring personnel observe and measure the distance between a plumb laser line emitted by the laser level meter and a steel casing collimation line on the steel casing, the monitoring personnel feed monitoring data back to the computer terminal, and the computer terminal receives information and processes the received information and then controls the four hydraulic jacks to perform telescopic displacement, so that the verticality of the steel casing is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111398692.6A CN113914391A (en) | 2021-11-24 | 2021-11-24 | Major diameter pile foundation steel casing perpendicularity monitoring and correcting device and correcting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111398692.6A CN113914391A (en) | 2021-11-24 | 2021-11-24 | Major diameter pile foundation steel casing perpendicularity monitoring and correcting device and correcting method |
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| Publication Number | Publication Date |
|---|---|
| CN113914391A true CN113914391A (en) | 2022-01-11 |
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| CN202111398692.6A Pending CN113914391A (en) | 2021-11-24 | 2021-11-24 | Major diameter pile foundation steel casing perpendicularity monitoring and correcting device and correcting method |
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| CN (1) | CN113914391A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525787A (en) * | 2022-01-20 | 2022-05-24 | 浙江欧佩亚海洋工程有限公司 | Steel protects a location deviation correcting device based on universal spirit level and hydraulic push rod |
| CN114775609A (en) * | 2022-04-29 | 2022-07-22 | 中交第二航务工程局有限公司 | Integrated guide frame of steel trestle steel pipe pile construction positioning operation platform and construction method |
| CN118008002A (en) * | 2024-04-09 | 2024-05-10 | 北京市建筑工程研究院有限责任公司 | Lifting system of building demolishing machine and use method thereof |
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| CN114525787A (en) * | 2022-01-20 | 2022-05-24 | 浙江欧佩亚海洋工程有限公司 | Steel protects a location deviation correcting device based on universal spirit level and hydraulic push rod |
| CN114775609A (en) * | 2022-04-29 | 2022-07-22 | 中交第二航务工程局有限公司 | Integrated guide frame of steel trestle steel pipe pile construction positioning operation platform and construction method |
| CN114775609B (en) * | 2022-04-29 | 2023-11-24 | 中交第二航务工程局有限公司 | Integrated guide frame of steel trestle steel pipe pile construction positioning operation platform and construction method |
| CN118008002A (en) * | 2024-04-09 | 2024-05-10 | 北京市建筑工程研究院有限责任公司 | Lifting system of building demolishing machine and use method thereof |
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Application publication date: 20220111 |