CN105714861A - Vertical loading method for simulating static pressure pile sinking process - Google Patents
Vertical loading method for simulating static pressure pile sinking process Download PDFInfo
- Publication number
- CN105714861A CN105714861A CN201610238843.4A CN201610238843A CN105714861A CN 105714861 A CN105714861 A CN 105714861A CN 201610238843 A CN201610238843 A CN 201610238843A CN 105714861 A CN105714861 A CN 105714861A
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- guider
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- 238000011068 loading method Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000003068 static effect Effects 0.000 title abstract description 8
- 239000002689 soil Substances 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000004088 simulation Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- 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
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/20—Placing by pressure or pulling power
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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)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention relates to a vertical loading method for simulating a static pressure pile sinking process, which comprises a main structure of a model box, a soil body, a model rod, a self-balancing type loading reaction frame upright post, an upright post linear guide rail, a self-balancing type loading reaction frame lower cross beam, a self-balancing type loading reaction frame upper cross beam, a sucker base, a microcomputer control electro-hydraulic servo jack, a loading data controller, a guide device horizontal slide bar, a guide device sliding sleeve, an open type sleeve, a fixed base, a dowel bar and a cushion block. Compared with the prior art, the guide device horizontal sliding rod realizes free sliding on the self-balancing loading reaction frame upright post through the guide device sliding sleeve, vertical loading in the simulation static pressure pile sinking process is realized, test data are accurate, and test efficiency is high.
Description
Technical field
The invention belongs to pile foundation engineering field, relate to a kind of charger simulating static pressed pile sunk pile process, especially relate to a kind of Vertical loading method simulating Jacked Pile Driving.
Background technology
Pile foundation has wide range of applications, and substantial amounts of industrial building and civil buildings all adopt pile foundation form, along with the development of industrial technology and engineering construction, the bearing capacity of the design theory of stake and method for designing, construction technology and stake has been researched and proposed higher requirement.At present, static pressed pile is due to work progress noiselessness, friction impact, and environmental protection is good, day by day perfect along with Construction Technology for Static Pressed Pile and machinery, and static pressed pile is increasingly applicable to construction environment is required higher urban district.But, the pile driving process of static pressed pile is different due to mechanical characteristic, theoretical research can not take into full account factors impact and the pile sinking characteristic of pile sinking, therefore, need to be analyzed in conjunction with indoor model test, key technology therein is how to simulate the Vertical loading of Jacked Pile Driving, and traditional charger passes through manual adjustment loading direction and position, Vertical loading low precision.Therefore, based on indoor model test, developing a kind of Vertical loading device and method simulating Jacked Pile Driving becomes an instant job.
Summary of the invention
The defect that it is an object of the invention to overcome above-mentioned prior art to exist and a kind of Vertical loading method simulating Jacked Pile Driving is provided, solve charger by manual adjustment loading direction and position, the problem of Vertical loading low precision.
To achieve these goals, a kind of Vertical loading method simulating Jacked Pile Driving of the present invention, agent structure includes model casing, the soil body, model rod, self-balancing type reaction frame for loading column, column line slideway, self-balancing type reaction frame for loading sill, self-balancing type reaction frame for loading entablature, sucker base, microcomputer controlled electro-hydraulic servo jack, loading data controller, guider horizontal sliding bar, guider sliding sleeve, open-type sleeve pipe, firm banking, dowel steel, cushion block；The detailed process of the Vertical loading of Jacked Pile Driving is by the present invention:
(1), model casing be placed on self-balancing type reaction frame for loading sill, model rod is placed in model casing soil body surface；
(2), guider horizontal sliding bar two ends are symmetrical arranged guider sliding sleeve, the column line slideway that guider horizontal sliding bar is arranged by guider sliding sleeve and survey in self-balancing type reaction frame for loading column is slidably connected, with model rod top contact bottom guider horizontal sliding bar；
(3), being provided with firm banking on guider horizontal sliding bar, open-type sleeve pipe is fixed on firm banking, and dowel steel is placed on open-type sleeve pipe；Cushion block is placed under interior dowel steel；
(4), sucker base is fixed on self-balancing type reaction frame for loading entablature, microcomputer controlled electro-hydraulic servo jack is inverted and is adsorbed on sucker base, microcomputer controlled electro-hydraulic servo jack lower end contacts with open-type sleeve upper end, microcomputer controlled electro-hydraulic servo jack is connected with loading data controller, according to penetrating speed 2.5mm/s, control microcomputer controlled electro-hydraulic servo jack by loading data controller and load；
(5), control after microcomputer controlled electro-hydraulic servo jack stretches out 10cm, to stop rapidly loading, jack is gone up, open-type sleeve pipe is opened, dowel steel is improved 10cm, place block cushion block in dowel steel bottom, close open-type sleeve pipe, continue to load；Such reverse cyclic loadings, until the complete pile sinking of model rod is complete.
It is an advantage of the current invention that: compared with prior art, guider horizontal sliding bar achieves on self-balancing type reaction frame for loading column slidably by guider sliding sleeve, achieving the Vertical loading of simulation Jacked Pile Driving, test data are accurate, and testing efficiency is high.
Accompanying drawing explanation
Fig. 1 is the agent structure principle schematic of the present invention；
Fig. 2 is for the present invention relates to guider structural principle schematic diagram.
1, model casing；2, the soil body；3, model rod；4, self-balancing type reaction frame for loading column；5, column line slideway；6, self-balancing type reaction frame for loading sill；7, self-balancing type reaction frame for loading entablature；8, sucker base；9, microcomputer controlled electro-hydraulic servo jack；10, loading data controller；11, guider horizontal sliding bar；12, guider sliding sleeve；13, open-type sleeve pipe；14, firm banking；15, dowel steel；16, cushion block.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in the figure, a kind of Vertical loading method simulating Jacked Pile Driving, agent structure includes model casing 1, the soil body 2, model rod 3, self-balancing type reaction frame for loading column 4, column line slideway 5, self-balancing type reaction frame for loading sill 6, self-balancing type reaction frame for loading entablature 7, sucker base 8, microcomputer controlled electro-hydraulic servo jack 9, loading data controller 10, guider horizontal sliding bar 11, guider sliding sleeve 12, open-type sleeve pipe 13, firm banking 14, dowel steel 15, cushion block 16；The detailed process of the Vertical loading of Jacked Pile Driving is by the present invention:
(1), model casing 1 be placed on self-balancing type reaction frame for loading sill 5, model rod 3 is placed in model casing 1 soil body 2 surface；
(2), guider horizontal sliding bar 11 two ends are symmetrical arranged guider sliding sleeve 12, the column line slideway 5 that guider horizontal sliding bar 11 is arranged by guider sliding sleeve 12 and survey in self-balancing type reaction frame for loading column 4 is slidably connected, with model rod 3 top contact bottom guider horizontal sliding bar 11；
(3), being provided with firm banking 14 on guider horizontal sliding bar 11, open-type sleeve pipe 13 is fixed on firm banking 14, and dowel steel 15 is placed on open-type sleeve pipe 13；In 2, dowel steel places cushion block 16 15 times；
(4), sucker base 8 is fixed on self-balancing type reaction frame for loading entablature 7, microcomputer controlled electro-hydraulic servo jack 9 is inverted and is adsorbed on sucker base 8, microcomputer controlled electro-hydraulic servo jack 9 lower end and open-type sleeve pipe 13 upper-end contact, microcomputer controlled electro-hydraulic servo jack 9 is connected with loading data controller 10, according to penetrating speed 2.5mm/s, control microcomputer controlled electro-hydraulic servo jack 9 by loading data controller 7 and load；
(5), control after microcomputer controlled electro-hydraulic servo jack 9 stretches out 10cm, to stop rapidly loading, jack is gone up, open-type sleeve pipe 13 is opened, dowel steel 15 is improved 10cm, place 5 pieces of cushion blocks 16 in dowel steel 15 bottom, close open-type sleeve pipe 13, continue to load；Such reverse cyclic loadings, until model rod 3 complete pile sinking are complete.
Claims (1)
1. simulating a Vertical loading method for Jacked Pile Driving, agent structure includes model casing, the soil body, model rod, self-balancing type reaction frame for loading column, column line slideway, self-balancing type reaction frame for loading sill, self-balancing type reaction frame for loading entablature, sucker base, microcomputer controlled electro-hydraulic servo jack, loading data controller, guider horizontal sliding bar, guider sliding sleeve, open-type sleeve pipe, firm banking, dowel steel, cushion block；The detailed process of the Vertical loading of Jacked Pile Driving is by the present invention:
(1), model casing be placed on self-balancing type reaction frame for loading sill, model rod is placed in model casing soil body surface；
(2), guider horizontal sliding bar two ends are symmetrical arranged guider sliding sleeve, the column line slideway that guider horizontal sliding bar is arranged by guider sliding sleeve and survey in self-balancing type reaction frame for loading column is slidably connected, with model rod top contact bottom guider horizontal sliding bar；
(3), being provided with firm banking on guider horizontal sliding bar, open-type sleeve pipe is fixed on firm banking, and dowel steel is placed on open-type sleeve pipe；Cushion block is placed under interior dowel steel；
(4), sucker base is fixed on self-balancing type reaction frame for loading entablature, microcomputer controlled electro-hydraulic servo jack is inverted and is adsorbed on sucker base, microcomputer controlled electro-hydraulic servo jack lower end contacts with open-type sleeve upper end, microcomputer controlled electro-hydraulic servo jack is connected with loading data controller, according to penetrating speed 2.5mm/s, control microcomputer controlled electro-hydraulic servo jack by loading data controller and load；
(5), control after microcomputer controlled electro-hydraulic servo jack stretches out 10cm, to stop rapidly loading, jack is gone up, open-type sleeve pipe is opened, dowel steel is improved 10cm, place block cushion block in dowel steel bottom, close open-type sleeve pipe, continue to load；Such reverse cyclic loadings, until the complete pile sinking of model rod is complete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610238843.4A CN105714861A (en) | 2016-04-18 | 2016-04-18 | Vertical loading method for simulating static pressure pile sinking process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610238843.4A CN105714861A (en) | 2016-04-18 | 2016-04-18 | Vertical loading method for simulating static pressure pile sinking process |
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| Publication Number | Publication Date |
|---|---|
| CN105714861A true CN105714861A (en) | 2016-06-29 |
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| CN201610238843.4A Pending CN105714861A (en) | 2016-04-18 | 2016-04-18 | Vertical loading method for simulating static pressure pile sinking process |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100210A (en) * | 2017-05-04 | 2017-08-29 | 武汉工程大学 | The pile-soil interaction mechanical behavior test system of controllable ambient stress |
| CN107142937A (en) * | 2017-05-19 | 2017-09-08 | 浙江元本检测技术股份有限公司 | Composite air pressure formula construction of Static Pressure Pile device and foundation pile static loading test method |
| CN107142938A (en) * | 2017-05-19 | 2017-09-08 | 浙江元本检测技术股份有限公司 | The method of the composite air pressure formula construction of Static Pressure Pile device and foundation pile static loading test of balance-adjustable |
| CN107386339A (en) * | 2017-07-19 | 2017-11-24 | 海南方能测试技术有限公司 | A kind of device for being used to measure pile foundation load |
| CN112942451A (en) * | 2021-02-01 | 2021-06-11 | 浙江大学 | Centrifugal test device for installing and controlling inclined pile |
| CN112962685A (en) * | 2021-02-01 | 2021-06-15 | 浙江大学 | Pile pressing verticality control injection device for pile foundation centrifugal test |
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| IL42798A (en) * | 1973-07-20 | 1975-11-25 | Tech Res & Dev Found Ltd | A test rig for load testing of foundations |
| CN102042937A (en) * | 2009-10-14 | 2011-05-04 | 同济大学 | Site large-scale direct shearing test device of shearing strength of concrete and basement adhesion surface |
| CN104099954A (en) * | 2014-07-11 | 2014-10-15 | 郑州大学 | Transverse-vertical loading device for pile foundation model experiments |
-
2016
- 2016-04-18 CN CN201610238843.4A patent/CN105714861A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL42798A (en) * | 1973-07-20 | 1975-11-25 | Tech Res & Dev Found Ltd | A test rig for load testing of foundations |
| CN102042937A (en) * | 2009-10-14 | 2011-05-04 | 同济大学 | Site large-scale direct shearing test device of shearing strength of concrete and basement adhesion surface |
| CN104099954A (en) * | 2014-07-11 | 2014-10-15 | 郑州大学 | Transverse-vertical loading device for pile foundation model experiments |
Non-Patent Citations (1)
| Title |
|---|
| 赵菊梅等: "《土木工程结构试验与检测》", 28 February 2015, 西南交通大学出版社 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100210A (en) * | 2017-05-04 | 2017-08-29 | 武汉工程大学 | The pile-soil interaction mechanical behavior test system of controllable ambient stress |
| CN107142937A (en) * | 2017-05-19 | 2017-09-08 | 浙江元本检测技术股份有限公司 | Composite air pressure formula construction of Static Pressure Pile device and foundation pile static loading test method |
| CN107142938A (en) * | 2017-05-19 | 2017-09-08 | 浙江元本检测技术股份有限公司 | The method of the composite air pressure formula construction of Static Pressure Pile device and foundation pile static loading test of balance-adjustable |
| CN107142938B (en) * | 2017-05-19 | 2022-06-17 | 浙江元本检测技术股份有限公司 | Balance-adjustable composite air pressure type static pressure pile construction device and foundation pile static load test method |
| CN107386339A (en) * | 2017-07-19 | 2017-11-24 | 海南方能测试技术有限公司 | A kind of device for being used to measure pile foundation load |
| CN112942451A (en) * | 2021-02-01 | 2021-06-11 | 浙江大学 | Centrifugal test device for installing and controlling inclined pile |
| CN112962685A (en) * | 2021-02-01 | 2021-06-15 | 浙江大学 | Pile pressing verticality control injection device for pile foundation centrifugal test |
| CN112962685B (en) * | 2021-02-01 | 2022-04-26 | 浙江大学 | Pile pressing verticality control injection device for pile foundation centrifugal test |
| WO2022160424A1 (en) * | 2021-02-01 | 2022-08-04 | 浙江大学 | Penetration device capable of pile pressing perpendicularity control for pile foundation centrifugal test |
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Application publication date: 20160629 |
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