CN110130347A - Intelligent positioning guiding device, method, project management method for pile foundation construction - Google Patents
Intelligent positioning guiding device, method, project management method for pile foundation construction Download PDFInfo
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- CN110130347A CN110130347A CN201910358497.7A CN201910358497A CN110130347A CN 110130347 A CN110130347 A CN 110130347A CN 201910358497 A CN201910358497 A CN 201910358497A CN 110130347 A CN110130347 A CN 110130347A
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- 238000010276 construction Methods 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000007726 management method Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 230000002787 reinforcement Effects 0.000 claims abstract description 19
- 239000002689 soil Substances 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 3
- 230000004807 localization Effects 0.000 claims 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 7
- 241001074085 Scophthalmus aquosus Species 0.000 abstract description 5
- 238000012546 transfer Methods 0.000 abstract description 5
- 238000005266 casting Methods 0.000 description 13
- 238000009430 construction management Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009918 complex formation Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 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
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention belongs to foundation construction technical fields, and in particular to kind is used for intelligent positioning guiding device, method, the project management method of pile foundation construction.The intelligent positioning guiding device for pile foundation construction, including outer layer casing, internal layer casing, position adjusting mechanism, positioning mechanism, the position data of internal layer casing is obtained by positioning mechanism, and the adjustment movement of position adjusting mechanism is controlled by the position data, realize the positioning in the accurate positionin and steel reinforcement cage hole of pile foundation guiding, it improves filling pile construction and transfers vertical precision into brill precision and reinforcing bar cage hoisting, solve conventional filling pile construction because ground layer soil body it is soft or hard it is uneven caused by hole scattering, pile body out of plumb and steel reinforcement cage lowered position are not allowed to cause pile body deflection, the security risks such as unbalance stress, guarantee construction quality, improve the efficiency of management.
Description
Technical field
The invention belongs to foundation construction technical fields, and in particular to a kind of intelligent positioning guiding dress for pile foundation construction
It sets, method, project management method.
Background technique
The filling column that drills is a kind of pile-type most-often used in engineering construction, it is generated by the contact surface of pile body and ground
Collateral resistance and stake end and ground the end resistance that generates of contact surface, effective bearing capacity is formed, by engineering pile by capital load
Pass to the ground of a side and stake bottom, thus make building or structures firmly stand on the basis of, with various regions urbanization into
The quickening of journey and the development of auto industry, Basement pit supporting increasingly become the key technology of construction project, and bored concrete pile is made
It is the primary structural member of pattern foundation pit supporting structure for support pile, is also increasingly valued by people.
In the installation and process of construction of bored concrete pile, there is biggish relationship with the geological environment of construction location, for difference
Geological environment often there is also different, especially extensive use of the bored concrete pile in bridge pier construction, bridges in construction method
Pile foundation be generally in complex formation it is changeable, it is soft or hard it is uneven etc. under the conditions of, conventional steel pile casting construction is soft or hard uneven in the soil body
In the case of, easily there is hole scattering, pile body out of plumb and steel reinforcement cage lowered position and is not allowed to cause pile body deflection, unbalance stress etc.
Security hidden trouble.
Summary of the invention
In order to solve above-mentioned conventional steel pile casting construction, in the soft or hard uneven situation of the soil body, easily there is hole scattering, stake
Body out of plumb and steel reinforcement cage lowered position are not allowed to cause the security hidden troubles such as pile body deflection, unbalance stress, and the present invention provides one
Kind is used for intelligent positioning guiding device, method, the project management method of pile foundation construction.
To achieve the above object, the technical scheme adopted by the invention is that: a kind of intelligent positioning for pile foundation construction is led
To device, including outer layer casing, internal layer casing, position adjusting mechanism, positioning mechanism, the internal layer casing is sheathed on outer layer casing
There are adjustment gap between interior and internal layer casing set and outer layer casing, the position adjusting mechanism connect with internal layer casing and is used for
The relative position of internal layer casing and outer layer casing is adjusted, the positioning mechanism is used to obtain the position data of internal layer casing,
And it is acted by the adjustment that position data controls position adjusting mechanism.
Further, positioning mechanism includes multiple, and multiple positioning mechanisms are uniformly arranged in internal layer casing top.
Further, positioning mechanism is GPS laser locator, and the GPS laser locator obtains the internal layer casing
Geographic location data message, the in real time station-keeping data between acquisition internal layer casing and outer layer casing.
Further, position adjusting mechanism includes multiple groups, and every group of position adjusting mechanism is believed with a positioning mechanism respectively
Number connection.
Further, every group of position adjusting mechanism includes at least two pushers, and multiple pushers with group are vertical
It is arranged on the side wall of outer layer casing, the pusher has the push rod extended into adjustment gap, and the push rod and internal layer protect
Cylinder is fixedly connected.
It further, further include data terminal, the positioning mechanism is docked with data terminal data, for it will acquire in
The position data of layer casing is uploaded to data terminal.
A kind of positioning and guiding method for pile foundation construction is oriented to dress using the above-mentioned intelligent positioning for pile foundation construction
It sets, method is as follows:
Operation platform is arranged, guiding installation pit is excavated, intelligent positioning guiding device is installed to the installation pit, utilize
The outer layer casing is fixed in soil body backfill；
It carries out note mud off operation, progress pile body construction operation or bored concrete pile bore operation, steel reinforcement cage and work is precisely installed
Industry,
When operation, the position data of the synchronous detection internal layer casing of positioning mechanism, and will test data and be processed into control
The control instruction of positioning mechanism, position adjusting mechanism adjust position of the internal layer casing relative to outer layer casing according to control instruction,
The verticality and levelness for guaranteeing internal layer casing meet construction requirement, until operation is completed.
Further, before intelligent positioning guiding device being installed to the installation pit, intelligence is obtained by positioning mechanism
Locating guide device installs precise mounting position information extremely.
Further, after positional relationship of the position adjusting mechanism according to control instruction adjustment internal layer casing, positioning mechanism is again
The location information of secondary detection internal layer casing, until internal layer casing meets preset construction requirement.
A kind of pile foundation job engineering management method, using the above-mentioned intelligent positioning guiding device for pile foundation construction,
It obtains in work progress, the position data for the detection synchronous with construction that positioning mechanism obtains is uploaded to cloud data
Library；
Position data is arranged, pile foundation work data is converted into；
The positional relationship variation in work progress is obtained by pile foundation work data, and then pipe is carried out to pile foundation job engineering
Reason.
The present invention provides a kind of intelligent positioning guiding device for pile foundation construction, by opening in pile foundation construction job platform
Outer layer casing, internal layer casing, position adjusting mechanism, positioning mechanism is arranged in the guiding installation pit of digging, realizes the accurate of pile foundation guiding
Positioning in positioning and steel reinforcement cage hole improves filling pile construction into precision and reinforcing bar cage hoisting decentralization vertical precision is bored, solves normal
Rule filling pile construction because ground layer soil body it is soft or hard it is uneven caused by hole scattering, pile body out of plumb and steel reinforcement cage lowered position be not allowed to make
At security risks such as pile body deflection, unbalance stress, guarantee construction quality, improves the efficiency of management.
Detailed description of the invention
Fig. 1 is the structural schematic diagram before the use of intelligent positioning guiding device；
Fig. 2 is structural schematic diagram when intelligent positioning guiding device uses；
Fig. 3 is the top view of the intelligent positioning guiding device for pile foundation construction；
Fig. 4 is the flow chart of the intelligent positioning guidance method for pile foundation construction；
Fig. 5 is the flow chart of pile foundation job engineering management method.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in the present invention
It states, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.
As shown in Figure 1-3, a kind of intelligent positioning guiding device for pile foundation construction, including outer layer casing 1, internal layer casing
2, position adjusting mechanism 3, positioning mechanism 4, internal layer casing 2 is the adjustable steel pile casting of internal layer in the present embodiment, and outer layer casing 1 is outer layer
Fixed steel pile casting, the internal layer casing 2 be sheathed in outer layer casing 1 and 2 sets of internal layer casing there are tune between outer layer casing 1
Whole gap, the position adjusting mechanism 3 connect the opposite position for adjusting internal layer casing 2 Yu outer layer casing 1 with internal layer casing 2
It sets, the positioning mechanism 4 is used to obtain the position data of internal layer casing, and controls position adjustment by position data
The adjustment of mechanism acts, and realizes the positioning in the accurate positionin and steel reinforcement cage hole of pile foundation guiding, improves filling pile construction into brill essence
Degree and reinforcing bar cage hoisting transfer vertical precision, guarantee construction quality, improve the efficiency of management, effectively solve conventional filling pile construction because
Ground layer soil body is soft or hard unevenly cause hole scattering, pile body out of plumb and steel reinforcement cage lowered position be not allowed to cause pile body deflection, by
The unequal security risk of power.
For positioning mechanism 4 including multiple, multiple positioning mechanisms are uniformly arranged in internal layer casing top, positioning mechanism GPS
Laser locator, the GPS laser locator obtain the geographic location data message of the internal layer casing, acquire internal layer shield in real time
Station-keeping data between cylinder and outer layer casing, GPS laser locator includes four in the present embodiment, is symmetrically set in described
Layer casing top, and the GPS laser locator analyzes the position data of acquisition, handles, Dynamic Display, realizes to internal layer
Adjustable steel pile casting position adjustment guides, manages and early warning；
Position adjusting mechanism 3 includes multiple groups, and every group of position adjusting mechanism is connect with a positioning mechanism signal respectively.Often
Group position adjusting mechanism includes at least two pushers, and multiple pushers with group are arranged vertically within the side wall of outer layer casing
On, the pusher has the push rod extended into adjustment gap, and the push rod is fixedly connected with internal layer casing；In the present embodiment
Pusher is intelligent hydraulic pusher, is respectively symmetrically set to internal layer casing top and bottom end, i.e. the top of internal layer casing is set
There are four pusher, be symmetrically set in internal layer casing low side also there are four；The intelligent hydraulic pusher working principle is to be swashed according to GPS
After the position data of light-seeking device acquisition is handled, converted, it is transmitted to intelligent hydraulic pusher, intelligent hydraulic pusher is according to place
Data carry out primary positioning to internal layer adjustable steel casing plane and vertical position and adjust after reason, and then GPS laser locator is again
Data are acquired, above-mentioned adjusting is carried out, until the adjustable steel pile casting of internal layer is adjusted to predeterminated position, realize the accurate positionin of pile foundation guiding
With the positioning in steel reinforcement cage hole, filling pile construction is improved into brill precision and reinforcing bar cage hoisting and transfers vertical precision；
The present embodiment further includes data terminal, and the positioning mechanism is docked with data terminal data, for it will acquire in
The position data of layer casing is uploaded to data terminal, i.e. GPS laser locator can retain initial data in the construction process, and
Data are uploaded to wisdom construction management platform, construction management, quality tracing and the optimization design for composite foundation processing provide
Decision support.
As shown in figure 4, a kind of positioning and guiding method for pile foundation construction, uses the above-mentioned intelligence for pile foundation construction
Locating guide device, method are as follows:
S1: arranging operation platform, excavates guiding installation pit, intelligent positioning guiding device is installed to the installation pit,
It is backfilled using the soil body and fixes the outer layer casing；
Before intelligent positioning guiding device is installed to the installation pit, intelligent positioning guiding dress is obtained by positioning mechanism
Set the precise mounting position information of installation extremely；
S2: note mud off operation, progress pile body construction operation or bored concrete pile bore operation, steel reinforcement cage are carried out and is precisely installed
Operation；
S3: when operation, the position data of the synchronous detection internal layer casing of positioning mechanism, and will test data and be processed into control
The control instruction of positioning mechanism processed, position adjusting mechanism adjust position of the internal layer casing relative to outer layer casing according to control instruction
It sets, guarantees that the verticality of internal layer casing and levelness meet construction requirement, until operation is completed；
After i.e. position adjusting mechanism adjusts the positional relationship of internal layer casing according to control instruction, in positioning mechanism detects again
The location information of layer casing, until internal layer casing meets preset construction requirement；
The adjustable steel pile casting position data of internal layer is namely acquired by GPS laser locator in real time, and to the position data
It analyzed, handled, Dynamic Display, and internal layer adjustable steel casing position adjustment is guided, is managed and early warning；Position
After data are handled, are converted, then by eight intelligent hydraulic pushers to internal layer adjustable steel casing plane and vertical position progress
Primary positioning is adjusted, and then GPS laser locator acquires data again, carries out above-mentioned adjusting, until the adjustable steel pile casting tune of internal layer
Positioning in the whole accurate positionin and steel reinforcement cage hole being oriented to predeterminated position, realization pile foundation improves filling pile construction into brill precision
And reinforcing bar cage hoisting transfers vertical precision；
Then mud off to be infused, and pile body construction operation is monitored, pile body construction operation drills to pile body,
Internal layer is adjustable, and steel pile casting synchronizes detection pile body location information, completes until pile body drills；Steel reinforcement cage, internal layer are installed after the completion of drilling
Adjustable steel pile casting carries out guiding confirmation to reinforcing bar cage location, i.e., irradiates laser net by GPS laser locator and realize steel reinforcement cage peace
The accurate guiding of dress controls plan-position and the verticality of pile body and steel reinforcement cage, realizes the control of stake point position real-time oversight, pile body
Verticality accurately controls, and manipulator is guided accurately to construct, and guarantees construction quality, improves the efficiency of management.
As shown in figure 5, a kind of pile foundation job engineering management method, is led using the above-mentioned intelligent positioning for pile foundation construction
To device, management method is as follows:
S101: obtaining in work progress, and the position data for the detection synchronous with construction that positioning mechanism obtains is uploaded to cloud
Client database；
I.e. GPS laser locator obtain the adjustable steel pile casting of internal layer position data and acquisition carry out note mud off operation,
Position data when pile body construction operation or the accurate installation exercise of bored concrete pile bore operation, steel reinforcement cage is carried out, and these are original
Data are uploaded to wisdom construction management platform, and construction management, quality tracing and the optimization design for composite foundation processing provide certainly
Plan support；
S102: position data is arranged, and is converted into pile foundation work data；
The position data that will acquire is classified, is arranged, and pile foundation work data is converted into, and is stored in wisdom construction pipe
Platform；
S103: the positional relationship in work progress is obtained by pile foundation work data and is changed, and then to pile foundation job engineering
It is managed.
I.e. when carrying out work progress, by the pile foundation work data stored in wisdom construction management platform, constructed
Positional relationship variation in the process, the construction management for facilitating construction personnel to handle composite foundation, while being the matter of work progress
Amount is traced to the source and optimization design is provided decision support.
The present invention is by pile foundation construction installing intelligent positioning guiding device, intelligent positioning guiding device application GPS
Laser locator acquires the adjustable steel pile casting position data of internal layer in real time, and is analyzed the position data, handled, dynamic exhibition
Show, internal layer adjustable steel casing position adjustment is guided, is managed and early warning；After the position data is handled, converted, pass
Intelligent hydraulic pusher is transported to, intelligent hydraulic pusher is according to data after processing to internal layer adjustable steel casing plane and vertical position
It carries out primary positioning to adjust, then GPS laser locator acquires data again, above-mentioned adjusting is carried out, until internal layer adjustable steel protects
Cylinder is adjusted to predeterminated position, realizes the precise positioning to steel pile casting position, be conducive to it is subsequent drill and install to pile body steel reinforcement cage into
The accurate guidance of row improves filling pile construction into brill precision and reinforcing bar cage hoisting and transfers vertical precision, effectively solves conventional bored concrete pile
Pile body deflection caused by construction is not allowed because of the soft or hard uneven hole scattering pile body out of plumb of ground layer soil body and steel reinforcement cage lowered position, by
The unequal security risk of power.
It above are only preferred embodiment of the invention, but the design concept of the present invention is not limited to this, all benefits
It is made a non-material change to the present invention, should all be belonged to behavior that violates the scope of protection of the present invention with this design.
Claims (10)
1. a kind of intelligent positioning guiding device for pile foundation construction, it is characterised in that: including outer layer casing, internal layer casing, position
Adjustment mechanism, positioning mechanism are set, the internal layer casing is sheathed in outer layer casing and stays between internal layer casing set and outer layer casing
There is adjustment gap, the position adjusting mechanism connect the opposite position for adjusting internal layer casing Yu outer layer casing with internal layer casing
It sets, the positioning mechanism is used to obtain the position data of internal layer casing, and controls position adjustment by position data
The adjustment of mechanism acts.
2. the intelligent positioning guiding device according to claim 1 for pile foundation construction, it is characterised in that: the localization machine
Structure include it is multiple, multiple positioning mechanisms are uniformly arranged in internal layer casing top.
3. the intelligent positioning guiding device according to claim 2 for pile foundation construction, it is characterised in that: the localization machine
Structure is GPS laser locator, and the GPS laser locator obtains the geographic location data message of the internal layer casing, adopts in real time
Collect the station-keeping data between internal layer casing and outer layer casing.
4. the intelligent positioning guiding device according to claim 2 for pile foundation construction, it is characterised in that: the position tune
Complete machine structure includes multiple groups, and every group of position adjusting mechanism is connect with a positioning mechanism signal respectively.
5. the intelligent positioning guiding device according to claim 4 for pile foundation construction, it is characterised in that: every group of position
Setting adjustment mechanism includes at least two pushers, and multiple pushers with group are arranged vertically on the side wall of outer layer casing,
The pusher has the push rod extended into adjustment gap, and the push rod is fixedly connected with internal layer casing.
6. the intelligent positioning guiding device according to claim 1 for pile foundation construction, it is characterised in that: further include data
Terminal, the positioning mechanism are docked with data terminal data, and the position data of the internal layer casing for will acquire is uploaded to data
Terminal.
7. a kind of positioning and guiding method for pile foundation construction, it is characterised in that: be used for using claim 1-6 is any described
The intelligent positioning guiding device of pile foundation construction, method are as follows:
Operation platform is arranged, guiding installation pit is excavated, intelligent positioning guiding device is installed to the installation pit, the soil body is utilized
The outer layer casing is fixed in backfill；
It carries out note mud off operation, carry out pile body construction operation or the accurate installation exercise of bored concrete pile bore operation, steel reinforcement cage,
When operation, the position data of the synchronous detection internal layer casing of positioning mechanism, and will test data and be processed into control positioning
The control instruction of mechanism, position adjusting mechanism adjust position of the internal layer casing relative to outer layer casing according to control instruction, guarantee
The verticality and levelness of internal layer casing meet construction requirement, until operation is completed.
8. the positioning and guiding method according to claim 7 for pile foundation construction, it is characterised in that: described by intelligent positioning
Before guiding device is installed to the installation pit, intelligent positioning guiding device is obtained by positioning mechanism, accurate installation extremely is installed
Location information.
9. the positioning and guiding method according to claim 7 for pile foundation construction, it is characterised in that: the position adjusts machine
After structure adjusts the positional relationship of internal layer casing according to control instruction, positioning mechanism detects the location information of internal layer casing again, until
Internal layer casing meets preset construction requirement.
10. a kind of pile foundation job engineering management method, it is characterised in that: described be used for pile foundation using claim 1-6 is any
The intelligent positioning guiding device of construction, method are as follows:
It obtains in work progress, the position data for the detection synchronous with construction that positioning mechanism obtains is uploaded to cloud database；
Position data is arranged, pile foundation work data is converted into；
The positional relationship variation in work progress is obtained by pile foundation work data, and then pile foundation job engineering is managed.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111962505A (en) * | 2020-08-14 | 2020-11-20 | 北京建工集团有限责任公司 | Double-pile-casing positioning structure of collimation pile, double-pile-casing device, collimation pile and construction method |
| CN112160709A (en) * | 2020-01-04 | 2021-01-01 | 江西基业良工桩机制造有限公司 | Protect a section of thick bamboo and sink auxiliary device and have this auxiliary device's rig |
| CN112160316A (en) * | 2020-09-14 | 2021-01-01 | 浙江中正岩土技术有限公司 | Construction method of immersed tube cast-in-place pile |
| CN113389202A (en) * | 2021-07-01 | 2021-09-14 | 山东省鲁南地质工程勘察院(山东省地勘局第二地质大队) | Device and method for preventing aligning deviation of pile foundation engineering reinforcement cage |
| CN113469840A (en) * | 2021-06-16 | 2021-10-01 | 浙江华东建设工程有限公司 | Intelligent management system for pile foundation construction |
| CN113863296A (en) * | 2021-08-24 | 2021-12-31 | 中国水利水电第十四工程局有限公司 | Separable recovery steel protects a section of thick bamboo and control system |
| CN114703862A (en) * | 2022-03-30 | 2022-07-05 | 中交(南京)建设有限公司 | Vertical and rapid positioning device for mounting latticed column and mounting and positioning method |
| CN114808973A (en) * | 2022-04-25 | 2022-07-29 | 宣城市恪荣机电科技有限公司 | Foundation pit construction method for improving centering property of reinforcement cage based on foundation pit cover piece |
| CN116772814A (en) * | 2023-08-18 | 2023-09-19 | 贵州省公路工程集团有限公司 | Steel reinforcement cage perpendicularity detection device and method with positioning and adjusting functions |
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