CN109056858A - A kind of external application compressed air-driven aqueous medium loading device and its construction method - Google Patents
A kind of external application compressed air-driven aqueous medium loading device and its construction method Download PDFInfo
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- CN109056858A CN109056858A CN201811055593.6A CN201811055593A CN109056858A CN 109056858 A CN109056858 A CN 109056858A CN 201811055593 A CN201811055593 A CN 201811055593A CN 109056858 A CN109056858 A CN 109056858A
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- load
- aqueous medium
- compressed air
- driven
- loading device
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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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- Engineering & Computer Science (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)
- Structural Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of external application compressed air-driven aqueous medium loading device and its construction method, belongs in building foundation pile driving construction and measure basic pile bearing capacity using aqueous medium load test latter external application compressed air-driven aqueous medium loading device system and its construction method.Aqueous medium loads hydraulic force application apparatus and connect with external application compressed air-driven aqueous medium loading device, and multiple digital display displacement sensor modules are connect by sensor signal lines with dead load checkup instrument；Compressed air-driven gas-liquid booster pump is used when load, carries out pile bearing capacity detection test to hydraulic force application apparatus using aqueous medium load output pressure；External application compressed air-driven aqueous medium loading device load control automatically controls load by the setting of test requirements document numerical value by dead load checkup instrument, connects control on-load pressure value by pressure sensor, connects transmitting displacement by digital display displacement sensor module.
Description
Technical field
The present invention relates to a kind of external application compressed air-driven aqueous medium loading device and its construction methods, belong to building foundation
Basic pile bearing capacity is measured in pile driving construction using aqueous medium load test latter external application compressed air-driven aqueous medium load dress
Set system and its construction method.
Background technique
It the use of foundation pile self-balancing load box detection test load the use of medium is substantially now hydraulic oil, using slip casting in cylinder
When, since oil liquid and concrete are difficult to solidifying conjunction, slip casting hardening strength index in cylinder is influenced, construction engineering quality requirement is not achieved；
Concrete is difficult to hydraulic oil when filling slip casting in load box cylinder after such as replacing hydraulic oil load that can solve test using aqueous medium
Solidifying the problem of closing, it ensure that the intensity of pile foundation pile body and the integrality of foundation pile structure, while pile detection cost can be reduced.
Summary of the invention
To solve the above-mentioned problems, it is an object of that present invention to provide a kind of external application compressed air-driven aqueous medium loading devices
And its construction method is for pile bearing capacity detection test.Loading device of the present invention is small in size, light-weight, structure is new
Grain husk, the aqueous medium load pump for being readily transported carrying, the device use compressed air source, good operating stability, performance peace
It is complete reliable, it can be ensured that the detection of foundation pile self-balanced static-load testing is gone on smoothly, and is conducive to the development of subsequent handling, while the device function
Rate is small, energy consumption is low, does not use compression oil liquid, meets the requirement of national energy-saving environmental protection.When being worked using the device, response rate
It is good, it is not in the phenomenon that pressure-loaded does not get on, stability is high, is provided with and tries hard to keep for the detection of foundation pile self-balanced static-load testing
Barrier；And secondary pressure slip casting can be carried out to load box after detecting, enable concrete slurry and the solidifying conjunction of bottom plate, guarantees base
Pile integrality.
The present invention to achieve the goals above, adopts the following technical scheme that
A kind of external application compressed air-driven aqueous medium loading device, aqueous medium loads hydraulic force application apparatus and external application compressed air is driven
Dynamic aqueous medium loading device connection, multiple digital display displacement sensor modules are connected by sensor signal lines and dead load checkup instrument
It connects；
Compressed air-driven gas-liquid booster pump is used when load, is carried out using aqueous medium load output pressure to hydraulic force application apparatus
Pile bearing capacity detection test；The load control of external application compressed air-driven aqueous medium loading device is by dead load checkup instrument by test
It is required that numerical value setting automatically controls load, control on-load pressure value is connected by pressure sensor, passes through digital display displacement sensor
Component connection transmitting displacement.
A kind of construction method of external application compressed air-driven aqueous medium loading device, method and step:
Step 1: being marked with quasi- datum line beam by pressing standard frame around foundation pile, be first equipped with column, then set up benchmark crossbeam, benchmark is horizontal
One end freely-supported is fixed in beam one end；Digital display displacement sensor is fixed on benchmark crossbeam by magnetic stand, sensor passes contact
Telescopic rod withstands on displacement rod end surface, and sensor signal lines connect transmitting displacement with dead load checkup instrument；Pass through pressure sensor
Transmitting on-load pressure value is connect with loading device；
Step 2: a kind of external application compressed air-driven aqueous medium loading device and aqueous medium load piping connection, pass through test for static load
Instrument control system loads automatically, realizes and automatically controls load using aqueous medium load test experiment and dead load checkup instrument；
Step 3: connecting route by control requirement, set dead load checkup instrument load test data, compressed air-driven water
Coated by dielectric pump is shown in a fully open operation, and is started starting test, is automatically controlled using dead load checkup instrument and carry out load test, passed through
Pressure sensor receives every grade of on-load pressure value of control, receives displacement by displacement sensor and determines whether test result meets
Code requirement.
The present invention loads hydraulic force application apparatus using compressed air-driven aqueous medium loading device, aqueous medium and dead load is surveyed
Instrument (containing sensor) is tried, device complete machine integrated level is high, and using gas-liquid booster pump, structure novel is small in size, light-weight, convenient for fortune
Defeated carrying；
The present invention uses air operated pump body, and gas-liquid booster pump replaces hydraulic oil to be loaded using aqueous medium, and power is small,
Output pressure is high, and high-efficient, energy conservation and environmental protection is pollution-free；
The present invention is reliable and stable using the device performance, and pressure and flow are adjustable, convenient operating maintenance, long service life；
When the present invention is worked using the device, loading performance is good, is not in the phenomenon that pressure-loaded does not get on, stability
Height provides a strong guarantee for the detection of foundation pile self-balanced static-load testing；And secondary pressure can be carried out to load box after detecting
Slip casting enables concrete slurry and the solidifying conjunction of bottom plate, guarantees foundation pile integrity；
Water metal rust-resisting agent is used when the present invention uses, rust-preventing characteristic is good, and the antirust period is long, and water-based antirust agent has completely water-soluble
Property, it is non-toxic and tasteless, it does not burn, securely and reliably.
Detailed description of the invention
Fig. 1 is the device of the invention structural schematic diagram；
Fig. 2 is construction method flow chart of the invention.
Specific embodiment
Present invention will now be described in detail with reference to the accompanying drawings.:
A kind of external application compressed air-driven aqueous medium loading device, aqueous medium load hydraulic force application apparatus 4 and external application compressed air
Aqueous medium loading device 1 is driven to connect, multiple digital display displacement sensor modules 2 pass through sensor signal lines and dead load checkup instrument
3 connections；
When load use compressed air-driven gas-liquid booster pump, using aqueous medium load output pressure to hydraulic force application apparatus 4 into
The detection test of row pile bearing capacity；The load control of external application compressed air-driven aqueous medium loading device 1 is pressed by dead load checkup instrument 3
The setting of test requirements document numerical value automatically controls load, connects control on-load pressure value by pressure sensor, is passed by digital display displacement
The connection transmitting displacement of sensor component 2.
A kind of construction method of external application compressed air-driven aqueous medium loading device:
Step 1: being marked with quasi- datum line beam by pressing standard frame around foundation pile, be first equipped with column, then set up benchmark crossbeam, benchmark is horizontal
One end freely-supported is fixed in beam one end；Digital display displacement sensor is fixed on benchmark crossbeam by magnetic stand, sensor passes contact
Telescopic rod withstands on displacement rod end surface, and sensor signal lines connect transmitting displacement with dead load checkup instrument；Pass through pressure sensor
Transmitting on-load pressure value is connect with loading device；
Step 2: a kind of external application compressed air-driven aqueous medium loading device and aqueous medium load piping connection, pass through test for static load
Instrument control system loads automatically, realizes and automatically controls load using aqueous medium load test experiment and dead load checkup instrument；
Step 3: connecting route by control requirement, set dead load checkup instrument load test data, compressed air-driven water
Coated by dielectric pump is shown in a fully open operation, and is started starting test, is automatically controlled using dead load checkup instrument and carry out load test, passed through
Pressure sensor receives every grade of on-load pressure value of control, receives displacement by displacement sensor and determines whether test result meets
Code requirement.
Be marked with quasi- datum line beam by standard frame first, digital displacement sensor be installed on datum line beam, sensor electric shock with it is upper
Bottom offset bar corresponds contact, and sensor signal lines are connect with dead load checkup instrument control box；Compressed air-driven gas-liquid increases
Press pump connect aqueous medium force application apparatus liquid outlet with aqueous medium force application apparatus inlet tube, power supply line and dead load checkup instrument control
Carry box connection；Dead load checkup instrument external power supply；First dead load checkup instrument test parameters, starting test are set by test requirements document
Start button starts to be tested, and carries out load test to aqueous medium force application apparatus using compressed air-driven gas-liquid booster pump,
Automatically control load pump folding by dead load checkup instrument realize to aqueous medium force application apparatus by test requirements document hierarchical loading,
Every grade of on-load pressure value of dead load checkup instrument control system is realized by pressure sensor real-time transmission on-load pressure value, passes through digit order number
Displacement sensor real-time transmission displacement signal feeds back to dead load checkup instrument and realizes test number real time monitoring, root in test process
Judge whether total displacement amount meets code requirement in test according to test specification.
Comparative illustration:
1, former load pump is oil pump, and loaded medium is hydraulic oil；The invention is loaded using compressed air-driven aqueous medium, and load is situated between
Matter is aqueous medium；
2, when being worked with load oil pump than the device, loading performance is good, is not in the phenomenon that pressure-loaded does not get on, surely
Qualitative height provides a strong guarantee for the detection of foundation pile self-balanced static-load testing；Loaded medium is aqueous medium, and can be with after detecting
Secondary pressure slip casting is carried out to load box, enables concrete slurry and the solidifying conjunction of bottom plate, guarantees foundation pile integrity；
3, the device includes compressed air-driven aqueous medium loading device, the hydraulic force application apparatus of aqueous medium load and dead load checkup
Instrument (contains sensor), its complete machine integrated level is high compared with loading oil pump, uses gas-liquid booster pump, structure novel, small in size, weight
Gently, it is readily transported carrying；
4, the load pump uses air operated pump body, and gas-liquid booster pump replaces hydraulic oil to be loaded using aqueous medium, with
It is small compared to its power to load oil pump, output pressure is high, and high-efficient, energy conservation and environmental protection is pollution-free.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (2)
1. a kind of external application compressed air-driven aqueous medium loading device, it is characterised in that: aqueous medium loads hydraulic force application apparatus (4)
It is connect with external application compressed air-driven aqueous medium loading device (1), multiple digital display displacement sensor modules (2) are believed by sensor
Number line is connect with dead load checkup instrument (3)；
Compressed air-driven gas-liquid booster pump is used when load, gives hydraulic force application apparatus (4) using aqueous medium load output pressure
Carry out pile bearing capacity detection test；External application compressed air-driven aqueous medium loading device (1) load control is by dead load checkup
Instrument (3) automatically controls load by the setting of test requirements document numerical value, connects control on-load pressure value by pressure sensor, passes through digital display
Displacement sensor component (2) connection transmitting displacement.
2. a kind of construction method of external application compressed air-driven aqueous medium loading device as described in claim 1, method step
Suddenly it is characterized in that:
Step 1: being marked with quasi- datum line beam by pressing standard frame around foundation pile, be first equipped with column, then set up benchmark crossbeam, benchmark is horizontal
One end freely-supported is fixed in beam one end；Digital display displacement sensor is fixed on benchmark crossbeam by magnetic stand, sensor passes contact
Telescopic rod withstands on displacement rod end surface, and sensor signal lines connect transmitting displacement with dead load checkup instrument；Pass through pressure sensor
Transmitting on-load pressure value is connect with loading device；
Step 2: a kind of external application compressed air-driven aqueous medium loading device and aqueous medium load piping connection, pass through test for static load
Instrument control system loads automatically, realizes and automatically controls load using aqueous medium load test experiment and dead load checkup instrument；
Step 3: connecting route by control requirement, set dead load checkup instrument load test data, compressed air-driven water
Coated by dielectric pump is shown in a fully open operation, and is started starting test, is automatically controlled using dead load checkup instrument and carry out load test, passed through
Pressure sensor receives every grade of on-load pressure value of control, receives displacement by displacement sensor and determines whether test result meets
Code requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811055593.6A CN109056858A (en) | 2018-09-11 | 2018-09-11 | A kind of external application compressed air-driven aqueous medium loading device and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811055593.6A CN109056858A (en) | 2018-09-11 | 2018-09-11 | A kind of external application compressed air-driven aqueous medium loading device and its construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109056858A true CN109056858A (en) | 2018-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811055593.6A Pending CN109056858A (en) | 2018-09-11 | 2018-09-11 | A kind of external application compressed air-driven aqueous medium loading device and its construction method |
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| CN (1) | CN109056858A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130422A (en) * | 2019-06-26 | 2019-08-16 | 四川冶金建筑工程质量有限公司 | A kind of construction method of unit for single-pile vertical anti-pulling static test equipment |
-
2018
- 2018-09-11 CN CN201811055593.6A patent/CN109056858A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130422A (en) * | 2019-06-26 | 2019-08-16 | 四川冶金建筑工程质量有限公司 | A kind of construction method of unit for single-pile vertical anti-pulling static test equipment |
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