CN106436747A - Full-automatic pile foundation underpinning device and construction method - Google Patents
Full-automatic pile foundation underpinning device and construction method Download PDFInfo
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- CN106436747A CN106436747A CN201610992810.9A CN201610992810A CN106436747A CN 106436747 A CN106436747 A CN 106436747A CN 201610992810 A CN201610992810 A CN 201610992810A CN 106436747 A CN106436747 A CN 106436747A
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- pile
- underpinned
- hydraulic jack
- control system
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/48—Foundations inserted underneath existing buildings or constructions
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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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D37/00—Repair of damaged foundations or foundation structures
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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 full-automatic pile foundation underpinning device and a construction method. The device comprises underpinned piles, a pile to be underpinned, an underpinned beam, a massive pillar beam, a hydraulic jack, a stay rope sensor, a hydraulic pump station, a PLC (Programmable Logic Controller) synchronous control system and hydrostatic level monitoring devices. The underpinned piles are symmetrically arranged at two sides of the pile to be underpinned; two ends of the underpinned beam are placed on the corresponding underpinned piles and are casted with the underpinned piles; the massive pillar beam is arranged; the hydraulic jack is arranged on the lower end of the massive pillar beam; the hydraulic jack is sequentially connected with the hydraulic pump station and the PLC synchronous control system; the hydrostatic level monitoring devices are arranged on the upper end of the massive pillar beam; and the stay rope sensor is arranged in the middle position of the lower end of the massive pillar beam. According to the full-automatic pile foundation underpinning device and the construction method provided by the invention, the whole set of underpinning construction fully adopts automation, and settlement monitoring, calculating, transmitting and adjusting are automatically completed through corresponding devices, so that the construction efficiency is high, and the human cost is reduced.
Description
Technical field
The present invention relates to building underground foundation renovation technique field, more particularly, to a kind of pile foundation full automatic support changing device and
Construction method.
Background technology
Pile Underpinning Technology is generally used for building underground foundation improvement project, have technical sophistication, technological requirement strict,
The features such as environmental protection problem projects.According to the status of using to Pile Underpinning Technology and its core technology mechanism both at home and abroad at present
Difference and be broadly divided into two types, i.e. active underpinning technique and passive underpinning technique.
Passive underpinning technique refers to former pile foundation during unloading, its top structural load with the deformation of underpinning structure,
Passively it is transformed into new pile foundation, before and after underpining, the deformation of superstructure be cannot be carried out, be generally used for underpining load less
Or the less demanding underpinning method of malformation, reliability is relatively low.
Active underpinning technique is before the unloading of former pile foundation, new pile foundation and underpinning structure to be further applied load, and in load conversion
During deformation to underpinning structure and superstructure, carry out dynamic regulation with jacking apparatus.This technology is generally used for underpining
The pile foundation engineering that load is big or malformation has high demands, reliability is of a relatively high.
However, existing Pile Underpinning Technology, in work progress, in pile foundation settlement adjustment, settling data needs instrument
Device is monitored, and is manually calculated, then result of calculation is input manually in synchronous control system, then by synchronous control system control
Jack processed carries out sedimentation adjustment, leads to the problems such as efficiency of construction is low, and human cost improves.
Content of the invention
For the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of pile foundation full automatic support changing device and construction
Method, a whole set of underpinning construction, all using automatization, is realized automatic data collection, calculating and analysis, and analysis result is directly transmitted
To in synchronous control system, synchronous control system carries out the automatic sedimentation adjustment of pile foundation according to settling data, and speed of application is fast, section
Human-saving.
To achieve these goals, technical scheme is as follows：
A kind of pile foundation full automatic support changing device, including underpinned pile, by underpinned pile, transform beams, thick pillar beam, hydraulic jack, bracing wire
Sensor, hydraulic power unit, PLC synchronous control system and hydrostatic level monitoring device；Wherein, described underpinned pile is arranged symmetrically in
By the both sides of underpinned pile, the two ends of transform beams are individually positioned on each self-corresponding underpinned pile, and are cast in one with by underpinned pile
Rise, arrange thick pillar beam, thick pillar beam lower end install hydraulic jack, described hydraulic jack be connected with turn hydraulic power unit and
PLC synchronous control system）, the upper end of thick pillar beam is provided with hydrostatic level monitoring device, in the lower end centre position of thick pillar beam peace
Equipped with stay wire sensor；Specifically, by hydraulic jack precompressed, thick pillar beam is carried out with actively pre- jacking, eliminates underpinned pile early
Phase settles, then by being cut off by underpinned pile between thick pillar beam and transform beams, now hydrostatic level monitoring device monitoring is underpined
The settling data of stake, and be defined by the hydrostatic level datum mark setting, this settling data is calculated and is analyzed, then will
Analysis result is transferred in PLC synchronous control system, PLC synchronous control system according to settling data analysis result automatically carry out by
The sedimentation adjustment of underpinned pile.
Pre-buried steel plate cushion block between described hydraulic jack and transform beams.
Described hydrostatic level monitoring device includes settling data acquisition module.
A kind of full-automatic underpinning construction method of pile foundation, the method comprises the steps：
Step one, sets underpinned pile, transform beams are poured with underpinned pile together with, arrange thick pillar beam, thick pillar beam lower end install
Hydraulic jack, hydraulic jack is connected with hydraulic power unit and PLC synchronous control system successively, and thick pillar beam upper end arranges static(al) water
Quasi- instrument monitoring device, stay wire sensor is installed in lower end centre position；
Step 2, hydraulic jack is carried out precompressed, thick pillar beam is carried out with actively pre- jacking, eliminates underpinned pile early fallout, liquid
After pressure jack precompressed terminates, locked hydraulic jack, carry out being cut off by underpinned pile；
Step 3, if sedimentation after being cut off by underpinned pile, hydrostatic level monitoring device automatic data collection simultaneously analyzes sedimentation
Data, then settling data analysis result is transferred in PLC synchronous control system, and PLC synchronous control system is according to receiving
Settling data analysis result automatically control hydraulic jack carry out sedimentation adjustment；
Step 4, after sedimentation adjustment reaches preset requirement, connects by underpinned pile cut-off part, remove hydraulic jack, hydraulic power unit,
PLC synchronous control system, hydrostatic level monitoring device and stay wire sensor, complete to be adjusted by the sedimentation of underpinned pile.
In described step one, underpinned pile can be set using cast-in-situ bored pile or artificial digging pile.
In described step 2, it is placed on being cut off by underpinned pile between thick pillar beam and transform beams.
In described step 3, described PLC synchronous control system controls hydraulic jack to carry out being held in the palm by hydraulic power unit
Change the sedimentation adjustment of stake.
Described stay wire sensor controls hydraulic jack to by the height adjustment of underpinned pile.
Compared with prior art, pile foundation full automatic support changing device of the present invention include underpinned pile, by underpinned pile, transform beams, embrace
Post beam, hydraulic jack, stay wire sensor, hydraulic power unit, PLC synchronous control system and hydrostatic level monitoring device, a whole set of
All using automatization, settlement monitoring, calculating, transmission, adjustment are all automatically performed underpinning construction by corresponding intrument.The present invention
Hydrostatic level monitoring device is capable of automatic data collection, calculating and analysis settling data, and analysis result is transmitted directly to
In PLC synchronous control system, PLC synchronous control system carries out sedimentation adjustment automatically according to settling data analysis result.The present invention
Hydrostatic level monitoring device and PLC synchronous control system are integrated, realizes the monitoring of hydrostatic level monitoring device, adopt
The adjustment function of collection, computing function and PLC synchronous control system.
Technique effect below with reference to design, concrete structure and generation to the present invention for the accompanying drawing is described further, with
It is fully understood from the purpose of the present invention, feature and effect.
Brief description
Fig. 1：Pile foundation full automatic support changing device schematic diagram of the present invention；
Fig. 2：The full-automatic underpinning construction method flow chart of pile foundation of the present invention.
Specific embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect become more apparent, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
As shown in figure 1, a kind of pile foundation full automatic support changing device that the present invention provides, including：Underpinned pile 1, by underpinned pile 2,
Transform beams 3, thick pillar beam 4, hydraulic jack 5, stay wire sensor 6, hydraulic power unit 7, PLC synchronous control system 8 and static level
Instrument monitoring device 9；Wherein, described underpinned pile 1 is arranged symmetrically in by the both sides of underpinned pile 2, and the two ends of transform beams 3 are individually positioned in
On each self-corresponding underpinned pile 1, and together with being poured by underpinned pile 2, thick pillar beam 4 is set, in thick pillar beam 4 lower end, hydraulic pressure is installed
Jack 5, described hydraulic jack 5 is connected with hydraulic power unit 7 and PLC synchronous control system 8 in turn, and the upper end of thick pillar beam 4 sets
There is hydrostatic level monitoring device 9, in the lower end centre position of thick pillar beam 4, stay wire sensor 6 is installed.
Pre-buried steel plate cushion block 10 between described hydraulic jack 5 and transform beams 3.
Described hydrostatic level monitoring device 9 includes settling data acquisition module 91.Described hydrostatic level monitoring device
By settling data acquisition module 91 sending signal, transmission data.
During the present invention is implemented, by hydraulic jack 5 precompressed, thick pillar beam 4 is carried out with actively pre- jacking, eliminates underpinned pile 1
Early fallout, after hydraulic jack 5 precompressed terminates, locked hydraulic jack, will be underpined between thick pillar beam 4 and transform beams 3
Stake 2 cut-out, now hydrostatic level monitoring device 9 is monitored by the settling data of underpinned pile, and the hydrostatic level base to set
It is defined on schedule, this settling data is calculated and analyzes, then analysis result is transferred in PLC synchronous control system 8,
PLC synchronous control system 8 carries out being adjusted by the sedimentation of underpinned pile 2 according to settling data analysis result automatically, and adjustment to be settled reaches
To after preset requirement, connect by underpinned pile 2 cut-off part, remove hydraulic jack 5, hydraulic power unit 7, PLC synchronous control system 8,
The device such as hydrostatic level monitoring device 9 and stay wire sensor 6, completes sedimentation adjustment.
During the present invention is implemented, the transmission means of settling data analysis result can for signal transmission or any one
Wired or wireless way is transmitted；Described signal is the common signal of hydrostatic level monitoring device and PLC synchronous control system.
As shown in Fig. 2 the full-automatic underpinning construction method of a kind of pile foundation that the present invention provides, the method comprises the steps：
S101, sets underpinned pile, transform beams are poured with underpinned pile together with, arrange thick pillar beam, thick pillar beam lower end install liquid
Pressure jack, hydraulic jack is connected with hydraulic power unit and PLC synchronous control system successively, and thick pillar beam upper end arranges static level
Instrument monitoring device, stay wire sensor is installed in lower end centre position；
S102, hydraulic jack is carried out precompressed, thick pillar beam is carried out with actively pre- jacking, eliminates underpinned pile early fallout, hydraulic pressure
After jack precompressed terminates, locked hydraulic jack, carry out being cut off by underpinned pile；
S103, if sedimentation after being cut off by underpinned pile, hydrostatic level monitoring device automatic data collection simultaneously analyzes settlement number
According to then settling data analysis result being transferred in PLC synchronous control system, PLC synchronous control system is according to receiving
Settling data analysis result automatically controls hydraulic jack and carries out sedimentation adjustment；
S104, after sedimentation adjustment reaches preset requirement, connects by underpinned pile cut-off part, remove hydraulic jack, hydraulic power unit,
PLC synchronous control system, hydrostatic level monitoring device and stay wire sensor, complete to be adjusted by the sedimentation of underpinned pile.
In above-mentioned steps S101, underpinned pile can be set using cast-in-situ bored pile or artificial digging pile.
In above-mentioned steps S102, it is placed on being cut off by underpinned pile between thick pillar beam and transform beams.Preferably, in order to examine
Consider follow-up connection construction conveniently, the centre position typically between thick pillar beam and transform beams cuts off by underpinned pile.
In above-mentioned steps S103, PLC synchronous control system controls hydraulic jack to carry out being underpined by hydraulic power unit
The sedimentation adjustment of stake.Hydraulic oil in hydraulic power unit is transferred in hydraulic jack by oil circuit, and PLC synchronous control system passes through
Hydraulic power unit, thus realize controlling hydraulic jack withstand on carry out fast by the size of strength in the sedimentation adjustment of underpinned pile and speed
Slowly.
The full-automatic underpinning construction method of pile foundation of the present invention is mainly reflected in adjust automatically, and all construction runnings all adopt
Advanced equipment is carried out, such as stay wire sensor, hydraulic power unit, PLC synchronous control system and hydrostatic level monitoring device etc., subtracts
Manually-operated time and error are lacked.
In the present invention is embodied as, it is understood that there may be multiple situations about being simultaneously adjusted by underpinned pile.For example：Have 5
Pile needs to be underpined, hydrostatic level monitoring device detects the 1st, 2,4,5 piles do not occur settling, the 3rd pile exists
The sedimentation of 2mm is occurred in that, then the data of 2mm is transferred to PLC synchronous control system by hydrostatic level monitoring device after cut-out, by
The sedimentation of 2mm is carried out jacking by PLC synchronous control system automatically, eliminates sedimentation, and PLC synchronous control system is adjusted to the sedimentation of 2mm
Whole finish rear system and be automatically stopped operating, until the sedimentation of next pile foundation occurs.
Described stay wire sensor controls hydraulic jack to by the height adjustment of underpinned pile.Stay wire sensor is in static(al) water
Quasi- instrument monitoring device detects to be occurred after sedimentation by underpinned pile, carries out using during sedimentation adjustment, specifically for controlling hydraulic jack
The height of top adjustment.For example：Hydrostatic level monitoring device detects 2mm sedimentation, PLC synchronous control system by underpinned pile
Control hydraulic jack adjust automatically 2mm, and stay wire sensor plays the effect controlling adjustment 2mm height.
Different from existing pile foundation underpinning construction method, the hydrostatic level monitoring device of construction method of the present invention is capable of
Automatic data collection, calculating and analysis, and analysis result is transmitted directly in PLC synchronous control system, PLC synchronous control system root
Carry out sedimentation adjustment according to settling data analysis result.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (8)
1. a kind of pile foundation full automatic support changing device is it is characterised in that described pile foundation full automatic support changing device includes underpinned pile（1）、
By underpinned pile（2）, transform beams（3）, thick pillar beam（4）, hydraulic jack（5）, stay wire sensor（6）, hydraulic power unit（7）, PLC with
Step control system（8）With hydrostatic level monitoring device（9）；
Wherein, described underpinned pile（1）It is arranged symmetrically in by underpinned pile（2）Both sides, transform beams（3）Two ends be individually positioned in respectively
Self-corresponding underpinned pile（1）On, and with by underpinned pile（2）Pour together, thick pillar beam is set（4）, in thick pillar beam（4）Lower end is pacified
Dress hydraulic jack（5）, described hydraulic jack（5）It is connected with hydraulic power unit in turn（7）With PLC synchronous control system（8）, embrace
Post beam（4）Upper end be provided with hydrostatic level monitoring device（9）, in thick pillar beam（4）Lower end centre position be provided with bracing wire pass
Sensor（6）；
Specifically, by hydraulic jack（5）Precompressed, to thick pillar beam（4）Carry out actively pre- jacking, eliminate underpinned pile（1）In early days
Sedimentation, then by thick pillar beam（4）And transform beams（3）Between by underpinned pile（2）Cut-out, now hydrostatic level monitoring device（9）
Monitoring is by the settling data of underpinned pile, and is defined by the hydrostatic level datum mark setting, this settling data is carried out calculate and
Then analysis result is transferred to PLC synchronous control system by analysis（8）In, PLC synchronous control system（8）According to settling data
Analysis result carries out being adjusted by the sedimentation of underpinned pile automatically.
2. the pile foundation full automatic support changing device according to claim 1 is it is characterised in that described hydraulic jack（5）With support
Change beam（3）Between pre-buried steel plate cushion block（10）.
3. pile foundation full automatic support changing device according to claim 1 and 2 is it is characterised in that described hydrostatic level is monitored
Device（9）Including settling data acquisition module（91）.
4. a kind of full-automatic underpinning construction method of pile foundation, full-automatic including the pile foundation any one of claims 1 to 3
Underpinning device is it is characterised in that the method comprises the steps：
Step one, sets underpinned pile（1）, by transform beams（3）With underpinned pile（1）Pour together, thick pillar beam is set（4）, embracing
Post beam（4）Hydraulic jack is installed in lower end（5）, hydraulic jack（5）Successively with hydraulic power unit（7）With PLC synchronous control system
（8）Connect, thick pillar beam（4）Upper end arranges hydrostatic level monitoring device（9）, stay wire sensor is installed in lower end centre position（6）；
Step 2, by hydraulic jack（5）Carry out precompressed, to thick pillar beam（4）Carry out actively pre- jacking, eliminate underpinned pile（1）Early
Phase settles, hydraulic jack（5）After precompressed terminates, locked hydraulic jack（5）, carry out by underpinned pile（2）Cut-out；
Step 3, by underpinned pile（2）If sedimentation, hydrostatic level monitoring device occur after cut-out（9）Automatic data collection is simultaneously divided
Then settling data analysis result is transferred to PLC synchronous control system by analysis settling data（8）In, PLC synchronous control system
（8）Settling data analysis result according to receiving automatically controls hydraulic jack（5）Carry out sedimentation adjustment；
Step 4, after sedimentation adjustment reaches preset requirement, connects by underpinned pile（2）Cut-off part, removes hydraulic jack（5）, liquid
Press pump station（7）, PLC synchronous control system（8）, hydrostatic level monitoring device（9）And stay wire sensor（6）, complete to be underpined
Stake（2）Sedimentation adjustment.
5. the full-automatic underpinning construction method of pile foundation according to claim 4 it is characterised in that：In described step one, can
So that underpinned pile is set using cast-in-situ bored pile or artificial digging pile（1）.
6. the full-automatic underpinning construction method of the pile foundation according to claim 4 or 5 it is characterised in that：In described step 2,
It is placed on thick pillar beam（4）With transform beams（3）Between by underpinned pile（2）Cut-out.
7. the full-automatic underpinning construction method of pile foundation according to claim 6 it is characterised in that：In described step 3, PLC
Synchronous control system（8）By hydraulic power unit（7）Control hydraulic jack（5）Carry out being adjusted by the sedimentation of underpinned pile.
8. the full-automatic underpinning construction method of pile foundation according to claim 7 it is characterised in that：Described stay wire sensor（6）
Control hydraulic jack（5）To by underpinned pile（2）Height adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610992810.9A CN106436747A (en) | 2016-11-11 | 2016-11-11 | Full-automatic pile foundation underpinning device and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610992810.9A CN106436747A (en) | 2016-11-11 | 2016-11-11 | Full-automatic pile foundation underpinning device and construction method |
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| CN201610992810.9A Pending CN106436747A (en) | 2016-11-11 | 2016-11-11 | Full-automatic pile foundation underpinning device and construction method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265635A (en) * | 2017-12-20 | 2018-07-10 | 中铁广州工程局集团有限公司 | A kind of coastal dock is hindered bridge pier by damage and reinforcement method is not repaired under Unloading Condition |
| CN108755744A (en) * | 2018-06-25 | 2018-11-06 | 河南工业大学 | Consider the structures and methods of the large diameter pile pile foundation underpinning of new and old cushion cap Influence from Eccentric |
| CN113123361A (en) * | 2020-01-16 | 2021-07-16 | 中铁第六勘察设计院集团有限公司 | Safe underpinning system for municipal bridge pile foundation under shield tunnel and construction method thereof |
| CN113403968A (en) * | 2021-07-15 | 2021-09-17 | 广东省九域工程技术咨询有限公司 | Bridge pier underpinning method and underpinning structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113123361A (en) * | 2020-01-16 | 2021-07-16 | 中铁第六勘察设计院集团有限公司 | Safe underpinning system for municipal bridge pile foundation under shield tunnel and construction method thereof |
| CN113403968A (en) * | 2021-07-15 | 2021-09-17 | 广东省九域工程技术咨询有限公司 | Bridge pier underpinning method and underpinning structure |
| CN113403968B (en) * | 2021-07-15 | 2022-02-15 | 广东省九域工程技术咨询有限公司 | Bridge pier underpinning method and underpinning structure |
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