CN107366311A - A kind of load on pile foundation tester - Google Patents
A kind of load on pile foundation tester Download PDFInfo
- Publication number
- CN107366311A CN107366311A CN201710382576.2A CN201710382576A CN107366311A CN 107366311 A CN107366311 A CN 107366311A CN 201710382576 A CN201710382576 A CN 201710382576A CN 107366311 A CN107366311 A CN 107366311A
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- channel
- steel
- section steel
- load
- pile foundation
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
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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)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of load on pile foundation tester, the tester is arranged in the beam body of pile foundation, and exquisite screw-thread steel is provided with the beam body；It is characterized in that：Including I-steel group, sleeve, channel-section steel group, load cell, hydraulic system and data collecting system；The weight bearing power of its energy detection of pier foundation and the stability for continuing loading force, the performance detection before the quality inspection, input engineering construction for load on pile foundation or after maintenance, it is ensured that the quality of reliability and engineering construction when pile foundation is constructed；Coordinate by using the exquisite screw-thread steel in sleeve and beam body, can fast positioning the load on pile foundation tester is installed, locating speed is fast, convenient disassembly, and testing efficiency is high, the stable safety of test process；By the deformation quantity and pressure sensor of channel-section steel group and data collecting system analyze, data testing accuracy is high, and numerical value is accurate.
Description
Technical field
The present invention relates to a kind of load testing machine, more particularly to a kind of load on pile foundation tester.
Background technology
As skyscraper, science of bridge building, ocean engineering construction project increase, the application amount of pile foundation is increasing,
Pile bearing capacity is also increasing.How the load-carrying properties of foundation pile are correctly evaluated, and it is to be related to stake to select rational design parameter
Basis whether the major issue of safety and economy., should according to requirement of the country on ground and pile foundation engineering inspection of quality specification
Bearing capacity dead-load detection is carried out to foundation pile test pile and engineering pile, to determine and examine its bearing capacity of single pile, tested as pile quality
Receive desired mandatory term.Traditional detection method is that sand pocket counterweight is used on ballast platform, and it is very heavy, deficient to stack sand pocket
Safety, a large amount of sand pockets of consumption, speed are slow, low construction efficiency, in the prior art, the stake of one of pile bearing capacity test important means
Itself counter-force equilibrium testing method, using relatively broad, the loading device of this method of testing is load box, is by one
Or multiple hydraulic jacks are formed in parallel, to make the pile body uniform force at load box both ends and being easy to weld with steel reinforcement cage, thousand
Jin top is upper and lower to be connected with the steel plate of suitable thickness respectively.
Such as Patent No. ZL200720088950.X, the hair of entitled " a kind of pile foundation bearing force test loading device "
Bright patent, Application No. 201010611443.6, openly (announce) number as CN102134860A, entitled " engineering pile bearing capacity
The application for a patent for invention of itself counter-force balance loading test method ", such method of testing is in actual application, its load box
Each jack is demarcated respectively before assembling, then jack connects with upper lower steel plate, and connected pipes and flow divider, group
Load box loading system should carry out overall inspection after dress, and this device installing/dismounting trouble, complicated, pile test efficiency is low.
Therefore a kind of safety coefficient height is needed, installation is succinct, easy to operate, tests quick Novel pile foundation load test instrument to meet stake
The load test of base.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of load on pile foundation tester, in general load on pile foundation can solve the problem that
Testing efficiency is low, tester dismounting, installs the problem of trouble.
In order to solve the above technical problems, the technical scheme is that：A kind of load on pile foundation tester, tester installation
In the beam body of pile foundation, exquisite screw-thread steel is provided with the beam body；Its innovative point is：Including I-steel group, sleeve, channel-section steel
Group, load cell, hydraulic system and data collecting system；
The sleeve has several, and sleeve is fixedly connected on a side surface of I-steel group, the nozzle direction of sleeve with
The bearing of trend of I-steel group is vertical, and sleeve is enclosed on exquisite screw-thread steel and fixed；The I-steel group is a pair parallel to each other
I-steel, this accommodates the gap of channel-section steel group to being left between I-steel, and I-steel is fixed on the exquisite spiral shell of beam body by sleeve
On line steel；
The channel-section steel group is placed between I-steel gap parallel to each other, and channel-section steel group includes channel-section steel a and channel-section steel b；Channel-section steel a and channel-section steel
The cavity of a load-accommodating unit is formed between b；Channel-section steel a and channel-section steel b outer side edges respectively with a pair of I-steel parallel to each other
Contact；
The load cell, which has several and is sequentially connected in series, to be arranged in channel-section steel group, and load cell includes jack and pressure passes
Sensor, one end of jack are fixed on channel-section steel a, and the other end of jack is withstood on channel-section steel b by hydraulic system driving；The pressure
Force snesor is connected by data wire with data collecting system；
The jack is operated alone by hydraulic system or unified driving；
The breadth distance of the cavity of the load-accommodating unit formed between the channel-section steel a and channel-section steel b is less than the maximum row of jack
Journey.
The advantage of the invention is that：
1）The weight bearing power of its energy detection of pier foundation and the stability for continuing loading force, quality inspection, throwing for load on pile foundation
Enter the performance detection before engineering construction or after maintenance, it is ensured that the quality of reliability and engineering construction when pile foundation is constructed；
2）Coordinate by using the exquisite screw-thread steel in sleeve and beam body, can fast positioning the load on pile foundation tester is installed,
Locating speed is fast, convenient disassembly, and testing efficiency is high, the stable safety of test process；
3）By the deformation quantity and pressure sensor of channel-section steel group and data collecting system analyze, data testing accuracy is high,
Numerical value is accurate.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the assembling structure schematic diagram of load on pile foundation tester of the present invention.
Fig. 2 is the I-steel of load on pile foundation tester of the present invention and the sectional arrangement drawing of sleeve.
Fig. 3 is the partial schematic diagram of load on pile foundation tester of the present invention.
Fig. 4 is the pile foundation and girder construction figure of load on pile foundation tester of the present invention.
Embodiment
The following examples can make professional and technical personnel that the present invention be more fully understood, but therefore not send out this
It is bright to be limited among described scope of embodiments.
A kind of load on pile foundation tester as shown in Figures 1 to 4, the tester is arranged in the beam body 2 of pile foundation 1, described
Exquisite screw-thread steel 21 is provided with beam body 2；Including I-steel group 3, sleeve 4, channel-section steel group 5, load cell 6, hydraulic system sum
According to acquisition system.
Sleeve 4 has several, and sleeve 4 is fixedly connected on a side surface of I-steel group 3, the nozzle side of sleeve 4
To vertical with the bearing of trend of I-steel group 3, sleeve 4 is enclosed on exquisite screw-thread steel 21 and fixed；The I-steel group 3 is a pair
I-steel 31 parallel to each other, this accommodates the gap of channel-section steel group 5 to being left between I-steel 31, and I-steel 41 is solid by sleeve 4
It is scheduled on the exquisite screw-thread steel 21 of beam body 2.
Channel-section steel group 5 is placed between the gap of I-steel 31 parallel to each other, and channel-section steel group 5 includes channel-section steel a51 and channel-section steel b52；Groove
The cavity 53 of a load-accommodating unit is formed between steel a51 and channel-section steel b52；Channel-section steel a51 and channel-section steel b53 outer side edges respectively with mutually
Parallel a pair of I-steel 41 contact.
Load cell 6, which has several and is sequentially connected in series, to be arranged in channel-section steel group 5, and load cell 6 includes the He of jack 61
Pressure sensor 62, one end of jack 61 are fixed on channel-section steel a51, and the other end of jack 61 is withstood on by hydraulic system driving
On channel-section steel b52；The pressure sensor 62 is connected by data wire with data collecting system；Jack 61 is unified by hydraulic system
Driving.
The breadth distance of the cavity 53 of the load-accommodating unit 6 formed between channel-section steel a51 and channel-section steel b52 is less than jack 61
Range.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
Merely illustrating the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also have
Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
By appended claims and its equivalent thereof.
Claims (1)
1. a kind of load on pile foundation tester, the tester is arranged in the beam body of pile foundation, and exquisite screw thread is provided with the beam body
Steel；It is characterized in that：Including I-steel group, sleeve, channel-section steel group, load cell, hydraulic system and data collecting system；
The sleeve has several, and sleeve is fixedly connected on a side surface of I-steel group, the nozzle direction of sleeve with
The bearing of trend of I-steel group is vertical, and sleeve is enclosed on exquisite screw-thread steel and fixed；The I-steel group is a pair parallel to each other
I-steel, this accommodates the gap of channel-section steel group to being left between I-steel, and I-steel is fixed on the exquisite spiral shell of beam body by sleeve
On line steel；
The channel-section steel group is placed between I-steel gap parallel to each other, and channel-section steel group includes channel-section steel a and channel-section steel b；Channel-section steel a and channel-section steel
The cavity of a load-accommodating unit is formed between b；Channel-section steel a and channel-section steel b outer side edges respectively with a pair of I-steel parallel to each other
Contact；
The load cell, which has several and is sequentially connected in series, to be arranged in channel-section steel group, and load cell includes jack and pressure passes
Sensor, one end of jack are fixed on channel-section steel a, and the other end of jack is withstood on channel-section steel b by hydraulic system driving；The pressure
Force snesor is connected by data wire with data collecting system；
The jack is operated alone by hydraulic system or unified driving；
The breadth distance of the cavity of the load-accommodating unit formed between the channel-section steel a and channel-section steel b is less than the maximum row of jack
Journey.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710382576.2A CN107366311A (en) | 2017-05-26 | 2017-05-26 | A kind of load on pile foundation tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710382576.2A CN107366311A (en) | 2017-05-26 | 2017-05-26 | A kind of load on pile foundation tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107366311A true CN107366311A (en) | 2017-11-21 |
Family
ID=60304943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710382576.2A Pending CN107366311A (en) | 2017-05-26 | 2017-05-26 | A kind of load on pile foundation tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107366311A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1728389A1 (en) * | 1989-12-29 | 1992-04-23 | Дальневосточный научно-исследовательский, проектно-конструкторский и технологический институт по строительству Госстроя СССР | Device for testing piles |
| CN101839001A (en) * | 2010-05-27 | 2010-09-22 | 关喜才 | Compressive pile load detection device and method |
| CN202039388U (en) * | 2011-01-17 | 2011-11-16 | 东南大学 | Load box for testing bearing capacity of steel pipe pile |
-
2017
- 2017-05-26 CN CN201710382576.2A patent/CN107366311A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1728389A1 (en) * | 1989-12-29 | 1992-04-23 | Дальневосточный научно-исследовательский, проектно-конструкторский и технологический институт по строительству Госстроя СССР | Device for testing piles |
| CN101839001A (en) * | 2010-05-27 | 2010-09-22 | 关喜才 | Compressive pile load detection device and method |
| CN202039388U (en) * | 2011-01-17 | 2011-11-16 | 东南大学 | Load box for testing bearing capacity of steel pipe pile |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171121 |
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| WD01 | Invention patent application deemed withdrawn after publication |