CN107014695A - A kind of horizontally base test of bearing capacity equipment and method of testing - Google Patents
A kind of horizontally base test of bearing capacity equipment and method of testing Download PDFInfo
- Publication number
- CN107014695A CN107014695A CN201710353433.9A CN201710353433A CN107014695A CN 107014695 A CN107014695 A CN 107014695A CN 201710353433 A CN201710353433 A CN 201710353433A CN 107014695 A CN107014695 A CN 107014695A
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- Prior art keywords
- test
- bearing capacity
- drilling rod
- test device
- capacity equipment
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of horizontally base test of bearing capacity equipment and method of testing, belong to geology in-situ test field, to solve the problem of experimental data error that existing equipment measures is larger.This test equipment includes working face, drilling rod, track column, power chain, unit head, drilling test device, creeping into test device includes test device and mole, mole is located at the lower section of test device, the test device includes steel plate framework, hydraulic jack group, pressure sensor, hydraulic jack group is provided with inside steel plate framework, pressure sensor is arranged on the telescopic end end of hydraulic jack group.The present invention carries out radial feed with Miniature hydraulic jick, by the stroke for accurately controlling jack, realize the test to horizontal foundation bearing capacity, therefrom obtain experimental data, the treadmill test and the method for accumulation load test broken traditions, greatly reduce experiment needed for manpower and materials, so as to get test data it is more accurate.
Description
Technical field
The invention belongs to geology in-situ test field, and in particular to a kind of horizontally base test of bearing capacity equipment.
Background technology
The experiment of most of test foundation bearing capacity is all to test vertical bearing capacity, in traditional level at present
General with pushing away the methods such as stake experiment and lateral loading test into foundation bearing force test method, the other shortcoming that is compacted test is：It is measured
Foundation capability, coefficient of subgrade reaction and modulus of elasticity direct application can not be provided, the data source obtained by experiment needs thing
The conversion of reason amount, increases the test period.And the decrement control of such method is inaccurate, and suffered pressure is " to enclose
Pressure ", so as to cause obtained experimental data error larger, has limitation in practical engineering application reference.
The content of the invention
It is an object of the invention to provide a kind of horizontally base test of bearing capacity equipment, measured with to solve existing equipment
The problem of experimental data error is larger.
It is another object of the present invention to provide a kind of method of testing.
Technical solution of the present invention is as follows：A kind of horizontally base test of bearing capacity equipment, including working face, drilling rod, also
Including track column, power chain, unit head, drilling test device, track column is provided with power chain, and unit head is located at dynamic
On riding chain bar, unit head is connected with drilling rod, and the lower end of drilling rod is provided with drilling test device；Creeping into test device includes test device
And mole, mole be located at test device lower section, the test device include steel plate framework, hydraulic jack group,
Hydraulic jack group is provided with inside pressure sensor, steel plate framework, pressure sensor is arranged on the telescopic end of hydraulic jack group
End.
As a further improvement on the present invention, dress is slided in the inside of the steel plate framework provided with least two layers carriage
Put and interior sliding panel, outer slip cage plate and interior cunning are provided with cage plate, interior sliding panel, pipeline chute, outer slip cage plate including outer slide
Dynamic plate is respectively positioned on pipeline chute.Play a part of pushing open when carrying out testing experiment, stretch, and test system can be caused
Sealing.
As a further improvement on the present invention, the mole includes main cutting cutterhead, groove milling wheel, and the lower end of drilling rod is set
There are both sides below main cutting cutterhead, drilling rod to be arranged with groove milling wheel, main cutting cutterhead is located at the lower section of the groove milling wheel.
As a further improvement on the present invention, it also includes water supply and sewerage system, and water supply and sewerage system includes water pump, mud
Pump, slag suction mouth, the top of groove milling wheel is provided with slag suction mouth and annular dreg collecting slot, and the water inlet pipe of water pump is passed through in annular dreg collecting slot, is inhaled
Cinder notch is connected with slush pump, and slush pump is connected with drainpipe.
As a further improvement on the present invention, the lower section of the track column is provided with oil cylinder.
As a further improvement on the present invention, the working face is provided with drilling rod limiting plate, and it is spacing that drilling rod is located at drilling rod
In plate.
As a further improvement on the present invention, the four corners below of the working face is respectively equipped with firm lower margin.
As a further improvement on the present invention, it also includes drive device, and drive device is located at the front end of working face.
The method tested with above-mentioned horizontally base test of bearing capacity equipment, comprises the following steps：
A, manipulation operations system, make oil cylinder adjust guide rail upright columns to vertical state,
B, installation drilling test device are connected in the bottom of working face and with drilling rod,
C, manipulation operations system, hydraulic pump carry out fuel feeding, and power chain promotes drilling rod to lower feeding, while driving main cutting knife
Disk and groove milling wheel are tunneled；
D, when driving reach designated depth when, manipulation operations system, stop main cutting cutterhead and groove milling wheel work, start jack
Hydraulic pump, jack group level promotes steel plate framework to extrude the soil body to work, while the pressure at the top of jack group is passed
Sense device working, obtains testing experiment data.
As a further improvement on the present invention, in addition to extraction step, dregs is in the mutual of main cutting cutterhead and groove milling wheel
Enter slag suction mouth under effect, start water pump and water is injected into annular dreg collecting slot by water inlet pipe, be pumped out by mud, pass through drainpipe
Dregs mixed liquor is discharged, collected into waste residue collecting pit.
The present invention using groove milling wheel can mill out rectangular channel in drilling process, effectively solve horizontally base bearing capacity and survey
In examination it is existing at present by " confined pressure " the problem of, among actual engineer applied providing one kind effectively utilizes same direction
The solution of the problem of upper bearing capacity, radial feed is carried out with Miniature hydraulic jick, by the row for accurately controlling jack
Journey, realizes the test to horizontal foundation bearing capacity, therefrom obtains experimental data, such as foundation capability, coefficient of subgrade reaction and bullet
Property modulus, the treadmill test broken traditions and accumulation load test method, greatly reduce experiment needed for manpower and materials, make
Obtained test data is more accurate.Disturbed in boring procedure it is small, available for side pressure, it can also be used to horizontal foundation bearing capacity survey
Examination.Suitable for it is various banket, the great soil group containing rubble.
Brief description of the drawings
Fig. 1 is the front view under working condition of the present invention；
Fig. 2 is working face top view of the present invention；
Fig. 3 is present invention drilling test device front view；
Fig. 4 is present invention drilling test device left view；
Fig. 5 is the front view of carriage of the present invention
Fig. 6 is Fig. 5 top view.
Reference implication is as follows：1- drive devices, 2- fuel tanks, 3- motors, 4- drilling rods, 5- power chains, 6- unit heads,
7- track columns, 8- operating systems, 9- waste residue collecting pits, 10- working faces, 11- lower margins, 12- drilling rod limiting plates, 13- drillings
Test device, 14- hickeys, 15 steel plate frameworks, 16- test jack groups, 17- water inlet pipes, 18- drainpipes, 19- mud
Pump, 20- slag suction mouths, 21- annular dreg collecting slots, 22- groove milling wheels, 23- oil cylinders, 24- main cutting cutterheads, 26- water tanks, 27- hydraulic pumps,
28- pressure sensors, 29- water pumps, 30- jack hydraulic pumps.Cage plate is slided outside 31- carriages, 32- pipeline chutes, 33-,
Sliding panel in 34-.
Embodiment
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Drive device 1 carries the power when traveling and operation needed for whole equipment, fuel tank 2, motor 3, operating system
8th, waste residue collecting pit 9, drilling rod limiting plate 12, water tank 26, jack hydraulic pump 30 are installed on working face 10, consolidate lower margin
11 are mounted in the bottom of working face 10.Jack hydraulic pump 30 is connected with hydraulic jack group 16, hydraulic pump 27 and the phase of fuel tank 2
Even.Hydraulic pump 27 is connected by oil circuit with groove milling wheel 22 and is that groove milling wheel 22 provides power.Main cutting cutterhead 24 leads to drilling rod 4
Cross screw thread to be connected, main cutting cutterhead 24 and groove milling wheel 22 coordinate driving.Hydraulic jack group 16 and steel plate framework pass through bolt
Connection.The two ends of pipeline chute 32 are threadedly coupled with steel plate framework 15.Unit head 6 is connected with fuel tank 2.Working face 10 is provided with
Waste residue collecting pit 9, drainpipe 18 is connected with waste residue collecting pit 9.
A kind of horizontally base test of bearing capacity equipment, including it is working face, drilling rod, track column 7, power chain 5, dynamic
Power first 6, drilling test device 13, track column 7 are provided with power chain 5, and unit head 6 is located on power chain 5, unit head 6
It is connected with drilling rod 4, the lower end of drilling rod 4 is provided with drilling test device 13；Creeping into test device 13 includes test device and driving dress
Put, mole is located at the lower section of test device, test device includes steel plate framework 15, hydraulic jack group 16, pressure sensing
Device 28, the inside of steel plate framework 15 is provided with hydraulic jack group 16, and pressure sensor 28 is arranged on the flexible of hydraulic jack group 16
Hold end.
The inside of steel plate framework 15 is provided with least two layers carriage 31, and carriage 31 includes outer slip cage plate 33, interior
Interior sliding panel 34 is provided with sliding panel 34, pipeline chute 32, outer slip cage plate 33, outer slip cage plate 33 and interior sliding panel 34 are equal
On pipeline chute 32.
Mole includes main cutting cutterhead 24, groove milling wheel 22, and the lower end of drilling rod 4 is provided with main cutting cutterhead 24, drilling rod 4
Square both sides are arranged with groove milling wheel 22, and main cutting cutterhead 24 is located at the lower section of groove milling wheel 22.
It also includes water supply and sewerage system, and water supply and sewerage system includes water pump 29, slush pump 19, slag suction mouth 20, groove milling wheel
22 top is passed through in annular dreg collecting slot 21 provided with slag suction mouth 20 and annular dreg collecting slot 21, the water inlet pipe 17 of water pump 29, slag suction mouth
20 are connected with slush pump 19, and slush pump 19 is connected with drainpipe 18.
The lower section of track column 7 is provided with oil cylinder 23.Track column is operated the adjustment and check of posture, rail by oil cylinder 23
Road column 7 can be rotated by 90 ° up and down.When carrying out operation, oil cylinder 23 is adjusted guide rail upright columns 7 to vertical state by thrust；When
When operation is completed, the oil return of oil cylinder 23, guide rail upright columns 7 are placed in horizontal level.Oil cylinder（23）With hydraulic pump（27）It is connected.
Working face 10 is provided with drilling rod limiting plate 12, and drilling rod 4 is located in drilling rod limiting plate 12.The lower section of working face 10
Corner is respectively equipped with firm lower margin 11.It also includes drive device 1, and drive device 1 is located at the front end of working face 10.
During work, equipment is reached after job position, puts down firm lower margin 11, manipulation operations system 8 so that oil cylinder 23 is adjusted
The operating attitude of whole guide rail upright columns 7 to target location, install drilling test device 13 the bottom of working face 10 and with the phase of drilling rod 4
Connect and start drive device 1, manipulation operations system 8 causes the work of motor 3 to drive hydraulic pump 27 to carry out fuel feeding, power
Chain 5 promotes drilling rod 4 to lower feeding, while driving main cutting cutterhead 24 and groove milling wheel 22 to be tunneled.Produced in process of the test
Raw hole is a rectangular opening, and aperture is 200mmx300mm.
When driving reaches designated depth, manipulation operations system 8, stops main cutting cutterhead 24 and groove milling wheel 22 works, and opens
Dynamic jack hydraulic pump 30, the level of test jack group 16 promotes steel plate framework 15 to extrude the soil body, while thousand to work
The pressure sensor 28 at the top of jin top group 16 works, the examination for the stroke carrying out horizontal foundation bearing capacity test that control and observation are obtained
Test data.Experiment terminates, and discharges pressure, the backhaul of jack group 16.The return of unit head 6 proposes drilling rod 4, and completion was entirely tested
Journey.
The process of slag is taken out in draining：Dregs enters slag suction mouth 22 under the interaction of main cutting cutterhead 24 and groove milling wheel 22,
Start water pump 29 and water is injected into annular dreg collecting slot 21 by water inlet pipe 17, suctioned out by slush pump 19, by drainpipe 18 by dregs
Mixed liquor is discharged, and is collected into waste residue collecting pit 9.
The inside of the steel plate framework 15 of embodiment 1. will be divided into three surveys provided with two layers of carriage 31 inside steel plate framework 15
Workspace is tried, wherein A areas, C areas are two removal boundary effect areas, and B areas are middle test sections.During experiment, A areas, B areas, in C areas
The test jack group 16 in portion applies pressure to both sides simultaneously, obtains experimental data.In order that experiment the data obtained is with more true
Reality, therefore take middle test section（B areas）Data be used as final experimental data.
Claims (10)
1. a kind of horizontally base test of bearing capacity equipment, including working face, drilling rod, it is characterised in that：It is also vertical including track
Post（7）, power chain（5）, unit head（6）, drilling test device（13）, track column（7）It is provided with power chain（5）, move
Power head（6）Positioned at power chain（5）On, unit head（6）With drilling rod（4）It is connected, drilling rod（4）Lower end provided with drilling test device
（13）；Creep into test device（13）Including test device and mole, mole is located at the lower section of test device, the survey
Trial assembly is put including steel plate framework (15), hydraulic jack group (16), pressure sensor (28), and steel plate framework (15) is internal to be provided with liquid
Press jack group（16）, pressure sensor（28）It is arranged on hydraulic jack group（16）Telescopic end end.
2. a kind of horizontally base test of bearing capacity equipment according to claim 1, it is characterised in that：The steel plate framework
(15) inside is provided with least two layers carriage（31）, carriage（31）Including outer slip cage plate (33), interior sliding panel
(34) interior sliding panel (34), outer slip cage plate (33) and interior sliding panel are provided with, pipeline chute (32), outer slip cage plate (33)
(34) it is respectively positioned on pipeline chute (32).
3. a kind of horizontally base test of bearing capacity equipment according to claim 1 or 2, it is characterised in that：Tunnel dress
Put including main cutting cutterhead（24）, groove milling wheel（22）, drilling rod（4）Lower end be provided with main cutting cutterhead（24）, drilling rod（4）Lower section two
Side is arranged with groove milling wheel（22）, main cutting cutterhead（24）Positioned at the groove milling wheel（22）Lower section.
4. a kind of horizontally base test of bearing capacity equipment according to claim 3, it is characterised in that：It also wraps feedwater row
Water system, water supply and sewerage system includes water pump (29), slush pump (19), slag suction mouth (20), groove milling wheel（22）Top provided with inhale
Cinder notch (20) and annular dreg collecting slot (21), the water inlet pipe (17) of water pump (29) are passed through in annular dreg collecting slot (21), slag suction mouth (20)
It is connected with slush pump (19), slush pump (19) is connected with drainpipe (18).
5. a kind of horizontally base test of bearing capacity equipment according to claim 4, it is characterised in that：The track column
（7）Lower section be provided with oil cylinder（23）.
6. a kind of horizontally base test of bearing capacity equipment according to claim 5, it is characterised in that：The working face
（10）It is provided with drilling rod limiting plate（12）, drilling rod（4）Positioned at drilling rod limiting plate（12）In.
7. a kind of horizontally base test of bearing capacity equipment according to claim 6, it is characterised in that：The working face
（10）Four corners below be respectively equipped with firm lower margin（11）.
8. it is according to claim 7 a kind of to horizontal foundation test of bearing capacity equipment, it is characterised in that：It also includes driving
Device（1）, drive device（1）Positioned at working face（10）Front end.
9. with claim 1 method that horizontally base test of bearing capacity equipment is tested, it is characterised in that it includes as follows
Step：
A, manipulation operations system (8), make oil cylinder (23) adjust guide rail upright columns (7) to vertical state,
B, installation drilling test device (13) are connected in the bottom of working face (10) and with drilling rod (4),
C, manipulation operations system (8), hydraulic pump (27) carry out fuel feeding, and power chain (5) promotes drilling rod (4), simultaneously to lower feeding
Driving main cutting cutterhead (24) and groove milling wheel (22) are tunneled；
D, when driving reach designated depth when, manipulation operations system (8), stop main cutting cutterhead (24) and groove milling wheel (22) work
Make, start jack hydraulic pump (30), jack group (16) level promotes steel plate framework (15) to squeeze the soil body to work
Pressure, while pressure sensor (28) work at the top of jack group (16), obtains testing experiment data.
10. method of testing according to claim 9, it is characterised in that：Also include extraction step,
Dregs enters slag suction mouth (22) under the interaction of main cutting cutterhead (24) and groove milling wheel (22), and starting water pump (29) will
Water injects annular dreg collecting slot (21) by water inlet pipe (17), is suctioned out, is mixed dregs by slush pump (19) by drainpipe (18)
Liquid is discharged, and is collected into waste residue collecting pit (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710353433.9A CN107014695A (en) | 2017-05-18 | 2017-05-18 | A kind of horizontally base test of bearing capacity equipment and method of testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710353433.9A CN107014695A (en) | 2017-05-18 | 2017-05-18 | A kind of horizontally base test of bearing capacity equipment and method of testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107014695A true CN107014695A (en) | 2017-08-04 |
Family
ID=59449196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710353433.9A Pending CN107014695A (en) | 2017-05-18 | 2017-05-18 | A kind of horizontally base test of bearing capacity equipment and method of testing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444831A (en) * | 2018-03-06 | 2018-08-24 | 安徽理工大学 | A kind of experimental provision for testing rock disturbance-elastic after effect |
| CN109799144A (en) * | 2019-03-08 | 2019-05-24 | 曹增国 | A kind of rock-soil layer original position side compression testing device and method |
| CN109826250A (en) * | 2019-03-25 | 2019-05-31 | 武汉建诚工程技术有限公司 | A kind of foundation bearing force checking device and method |
| CN110749504A (en) * | 2019-10-31 | 2020-02-04 | 三峡大学 | Partitioned lateral pressure creep test device for coral sand foundation and use method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108444831A (en) * | 2018-03-06 | 2018-08-24 | 安徽理工大学 | A kind of experimental provision for testing rock disturbance-elastic after effect |
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| CN109799144A (en) * | 2019-03-08 | 2019-05-24 | 曹增国 | A kind of rock-soil layer original position side compression testing device and method |
| CN109826250A (en) * | 2019-03-25 | 2019-05-31 | 武汉建诚工程技术有限公司 | A kind of foundation bearing force checking device and method |
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| CN110749504A (en) * | 2019-10-31 | 2020-02-04 | 三峡大学 | Partitioned lateral pressure creep test device for coral sand foundation and use method |
| CN110749504B (en) * | 2019-10-31 | 2022-04-22 | 三峡大学 | Partitioned lateral pressure creep test device for coral sand foundation and use method |
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