CN104122185B - The compression of a kind of refuse soil and infiltration relation analyzer - Google Patents
The compression of a kind of refuse soil and infiltration relation analyzer Download PDFInfo
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- CN104122185B CN104122185B CN201410350911.7A CN201410350911A CN104122185B CN 104122185 B CN104122185 B CN 104122185B CN 201410350911 A CN201410350911 A CN 201410350911A CN 104122185 B CN104122185 B CN 104122185B
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Abstract
The invention discloses compression and the infiltration relation analyzer of a kind of refuse soil.At present, the instrument studied with infiltration relation for the compression of refuse soil in landfill body not yet occurs.The side permeating post in the present invention is connected to multiple water out adapter, and opposite side is connected to many pressure-measuring pipes of equidistant placement；Adjustable base plate is connected by pin with water level adjusting rod；Water storage box is connected with infiltration post by water inlet pipe；Water storage box is connected to multiple water out adapter；Gland is connected by hanger bar with entablature；Sill, the first balancing weight, the second balancing weight are all hinged with lever；The wheel hub of turbine and worm screw are all bearing in bearing by bearing, turbine and worm engaging；One end of worm screw is stretched out and is fixed with handwheel outside bearing；Turbine is connected with screw mandrel；The bottom of screw mandrel is hinged with lever.The present invention can realize the mechanization experimental determination of refuse soil penetration property, compression property, fills up existing instrument to refuse soil compression and penetration study vacancy.
Description
Technical field
The invention belongs to laboratory apparatus technical field, relate to geotechnique's compression test device and geotechnique's permeability experimental facility, tool
Body relates to compression and the infiltration relation analyzer of a kind of refuse soil.
Background technology
With the development of Chinese Urbanization, the load of urban population is increasing, causes domestic waste continuous
Increasing, instant stage has been arrived in the process of rubbish.For the process of domestic waste, mainly have following both at home and abroad
Several ways: landfill, burn, biodegradable etc..Wherein, Landfill has advantageous excellent in the development of current city
Gesture.Landfill method processes urban solid garbage, and landfill capacity consumption big, economic is few, therefore uses landfill method to process urban life
Rubbish extensive application at home and abroad.Landfill method is used to process domestic waste, it is necessary to tackle various engineering properties problem,
Such as garbage loading embeading capacity, the landfill problem such as body slope stability, percolate migration rate.Only thorough studies well urban life
The engineering properties of rubbish, just can use landfill method to solve the problems such as existing garbage-surrounded city effectively.In garbage loading embeading process
In, there is diversity material in rubbish body, degradable material includes: rubbish from cooking, paper, wood-fibred；Difficult degradation material includes: mould
Material, bone, rubber etc., non-degradable material includes: soil stone, metal, glass etc..Above-mentioned material constituent is various just
Property, determining the particularity of refuse soil soil mechanical properties, decrement is big, and infiltration coefficient is higher than other conventional soil samples.Degradable
Material must produce biological chemistry action under the complex environments such as refuse landfill solid, liquid, gas, temperature, biological chemistry action
Being the main cause that percolate produces, the heavy metal element containing in landfill body makes percolate by biological chemistry action
Containing severe toxicity composition, therefore the extent of injury of percolate increases the weight of, and seepage flow buries and causes heavy metal pollution of soil, and seepage flow enters water to be caused
Pollution of waterhead, causes serious harm to human ecological environment.Therefore, it is necessary to the penetration property of landfill body is thoroughly studied.
Penetration property refers to the size of medium water permeable ability, and urban solid garbage penetration property namely refers to that water passes through the ability of rubbish body
Size.Landfill body penetration property closely related with compression property, landfill body landfill height bigger, bottom rubbish be subject to oneself
Weight stress is bigger, and its underpart rubbish is just compressed more closely knit, and infiltration coefficient is also gradually decreased, and migration rate reduces.Mesh
Before, the instrument studied with infiltration relation for the compression of refuse soil in landfill body not yet occurs.
Content of the invention
It is an object of the invention to, for the deficiencies in the prior art, provide the compression of a kind of refuse soil and infiltration relation to measure
Instrument, it is achieved refuse soil penetration property, the mechanization experimental determination of compression property, fills up existing instrument and compresses refuse soil and ooze
Research vacancy thoroughly.
The present invention includes infiltration post, lever labor-saving device and water-storing device；Described infiltration post is arranged on test platform；
The side of infiltration post is connected to multiple water out adapter, and opposite side is connected to many pressure-measuring pipes of equidistant placement；The head of described water out adapter
Portion seals and arranges.
Described water-storing device includes water storage box, adjustable base plate and water level adjusting rod；Described water level adjusting rod offers
Symmetrically arranged two water level adjustment hole groups, two water level adjustment hole groups all include multiple water levels of vertically equidistant arrangement
Adjustment hole, adjustable base plate is connected by pin at two symmetrical water level adjustment holes of two water level adjustment hole groups with water level adjusting rod
Connect；Water storage box is arranged on adjustable base plate, and is connected by the bottom of water inlet pipe and infiltration post；The side of described water storage box is connected to
Multiple water out adapters, the head seal of water out adapter is arranged.
Described lever labor-saving device includes gland, supporting frame, lever and elevation and subsidence regulating device.Described supporting frame
Including entablature, sill and support column, entablature and sill are fixed with one end of support column respectively；Described gland with outstanding
Peg is fixed, and the top of hanger bar and entablature are threaded connection；Described lever offers sill hinge hole, fixes and prop up
Point articulated hole, the first balancing weight hinge hole and the second balancing weight hinge hole, and it is provided with horizontal detector；Described lever under
At crossbeam hinge hole hinged with sill；First balancing weight and lever are hinged at the first balancing weight hinge hole, the second balancing weight
With lever at the second balancing weight hinge hole hinged.Described elevation and subsidence regulating device includes worm screw, turbine, screw mandrel, handwheel and props up
Seat；Described bearing is fixed on bottom test platform；The wheel hub of described turbine and worm screw are all bearing in bearing by bearing, whirlpool
Wheel and worm engaging；One end of described worm screw is stretched out and is fixed with handwheel outside bearing；Turbine is connected with screw mandrel；The bottom of described screw mandrel
With lever at fixed pivot hinge hole hinged.
Described infiltration post is the cylindrical shape of bottom lock.
The head of each water out adapter of described infiltration post is threaded connection with a pipe cap respectively；One of them water outlet
Joint is arranged on the bottommost of infiltration post.
The head of each water out adapter of described water storage box is threaded connection with a pipe cap respectively.
Beneficial effects of the present invention:
1st, the present invention can realize sedimentation test and the penetration testing of refuse soil；Sedimentation test is to be filled by lever force-saving
Put, be compressed measurement to the refuse soil under bigger stress load, below practical simulation landfill yard level ground to 100 meters of degree of depth
Refuse soil stress state；Penetration testing can test the change of refuse soil infiltration coefficient in the presence of stress state
Value.
2nd, the present invention compensate for landfill yard and studies vacancy with regard to the infiltration coefficient below 100 meters of degree of depth of urban solid garbage,
For urban solid garbage in compression process the test of infiltration coefficient provide accurate, reliably test device.
3rd, present invention can apply to engineering practice, it is possible to be applied to other special soils laboratory experiments, applied range.
Brief description
Fig. 1 is the overall structure stereogram of the present invention；
Fig. 2 is the side view of the present invention；
Fig. 3 is the structural perspective permeating post in the present invention；
Fig. 4 is the schematic diagram of middle water level adjusting rod of the present invention；
Fig. 5 is the structural perspective of gland and hanger bar in the present invention；
Fig. 6 is the schematic diagram of lever in the present invention；
Fig. 7 is the sectional view of elevation and subsidence regulating device in the present invention；
Fig. 8 is the stereogram of elevation and subsidence regulating device in the present invention.
Detailed description of the invention:
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
As shown in Figure 1,2 and 3, the compression of a kind of refuse soil and infiltration relation analyzer, including infiltration post the 1st, lever force-saving
Device 2 and water-storing device 3；Infiltration post 1 is arranged on test platform 5；The cylindrical shape that infiltration post 1 is bottom lock, end face is the end of to
The distance of portion's inwall is 300mm, and inner sidewall diameter is 202mm；The side of infiltration post 1 is connected to four water out adapters 4, another side joint
Have three pressure-measuring pipe 1-1 of equidistant placement；The distance between center line of adjacent two water out adapters 4 is 100mm, a water out adapter
4 bottommosts being arranged on infiltration post 1；The head of each water out adapter 4 is threaded connection with a pipe cap respectively.
As shown in figs. 1 and 4, water-storing device 3 includes water storage box 3-1, adjustable base plate 3-2 and water level adjusting rod 3-3；Water level is adjusted
Pole 3-3 offers symmetrically arranged two water level adjustment hole groups, and two water level adjustment hole groups all include vertically equidistant
Nine water level adjustment hole 3-4, adjustable base plate 3-2 and water level adjusting rod 3-3 of arrangement are the two of two water level adjustment hole groups symmetries
Connected by pin at individual water level adjustment hole 3-4；Water storage box 3 is arranged on adjustable base plate 3-2, and by water inlet pipe 6 and infiltration
The bottom connection of post 1；The side of water storage box 3-1 is connected to four water out adapters 4, the head of each water out adapter 4 respectively with one
Pipe cap is threaded connection.By regulation water storage box 3-1 lifting, refuse soil sample oozing under different hydraulic gradients can be tested
Saturating coefficient.
Such as Fig. 1, shown in the 2nd, the 5th, the 6th, 7 and 8, lever labor-saving device 2 includes gland 2-1, supporting frame 2-2, lever 2-3 and liter
Falling tone regulating device 2-4.Supporting frame 2-2 includes entablature 2-5, sill 2-6 and support column 2-7, entablature 2-5 and sill
2-6 fixes with one end of support column 2-7 respectively；Gland 2-1 and hanger bar 2-8 are fixed, the top of hanger bar 2-8 and entablature 2-
5 are threaded connection；It is hinged that lever 2-3 offers sill hinge hole 2-9, fixed pivot hinge hole 2-10, the first balancing weight
Hole 2-11 and the second balancing weight hinge hole 2-12, and it is provided with horizontal detector 2-13；Horizontal detector 2-13 is used for testing
The poised state of lever 2-3；Lever 2-3 is hinged with sill 2-6 at sill hinge hole 2-9；First balancing weight 7 and lever
2-3 is hinged at the first balancing weight hinge hole 2-11, and the second balancing weight 8 and lever 2-3 is at the second balancing weight hinge hole 2-12
Hinged.Elevation and subsidence regulating device 2-4 includes worm screw 2-14, turbine 2-15, screw mandrel 2-16, handwheel 2-17 and bearing 2-18；Bearing 2-
18 are fixed on bottom test platform 5；The wheel hub of turbine 2-15 and worm screw 2-14 are all bearing in bearing 2-18 by bearing, turbine
2-15 engages with worm screw 2-14；One end of worm screw 2-14 is stretched out and is fixed with handwheel 2-17 outside bearing 2-18；Turbine 2-15 and screw mandrel
2-16 connects；The bottom of screw mandrel 2-16 and lever 2-3 are hinged at fixed pivot hinge hole 2-10.
The compression of this refuse soil and the operation principle of infiltration relation analyzer:
Fill up refuse soil sample in infiltration post 1；The weight of the first balancing weight 7 and the second balancing weight 8 is set so that gland
2-1 to infiltration post 1 in refuse soil sample reach 25kPa, 50kPa, 75kPa, 100kPa, 200kPa, 300kPa, 400kPa,
The load pressure gradient of 500kPa, 600kPa, 700kPa, 800kPa, 900kPa, 1000kPa compresses the rubbish in infiltration post 1 respectively
Rubbish soil sample, thus test the permeability of refuse soil sample；Refuse soil sample (settles thick stick during compressing through 24h stable settlement
Bar 2-3 can produce inclination, otherwise the open close handwheel 2-17 of mistake regulates worm screw 2-14, and the rotation of worm screw 2-14 drives turbine 2-15 to turn
Dynamic, thus drive screw mandrel 2-16 to decline, make lever 2-3 restore balance state), after compression is stable, use high accuracy meter ruler to measure
The compressed value of gland 2-1, if now compressed value is 0～100mm, height of materialsingHigh as the test of infiltration coefficient for 200mm
Degree, opens the water out adapter 4 that bottom distance infiltration post 1,200mm highly locates as infiltration coefficient test experiments water side；If compression
Value is 0～200mm, height of materialsingFor 100mm as the test height of infiltration coefficient, open bottom distance infiltration post 1
The water out adapter 4 that 100mm highly locates is as infiltration coefficient test experiments water side.Open the corresponding water out adapter of water storage box 3-1
4, thus regulate and keep the height of water level of water storage box 3-1, start test；Water level in three pressure-measuring pipe 1-1 measurement infiltration posts
Highly, average；When the water out adapter 4 permeating post starts stable water outlet, open Chronograph and start timing, every three points
The water yield of clock record one sub-percolation post, test five times, average.According to darcy seepage law formula:
The infiltration coefficient of refuse soil sample under different hydraulic gradients can be calculated；In formula,For permeating the madial wall of post 1
Cross-sectional area.
Claims (4)
1. the compression of refuse soil and an infiltration relation analyzer, including infiltration post, lever labor-saving device and water-storing device, it is special
Levy and be:
Described infiltration post is arranged on test platform；The side of infiltration post is connected to multiple water out adapter, and opposite side is connected to equidistantly
The many pressure-measuring pipes arranged；The head seal of described water out adapter is arranged；
Described water-storing device includes water storage box, adjustable base plate and water level adjusting rod；Described water level adjusting rod offers symmetry
Two the water level adjustment hole groups arranging, two water level adjustment hole groups all include multiple water level regulation of vertically equidistant arrangement
Hole, adjustable base plate is connected by pin at two symmetrical water level adjustment holes of two water level adjustment hole groups with water level adjusting rod；
Water storage box is arranged on adjustable base plate, and is connected by the bottom of water inlet pipe and infiltration post；The side of described water storage box is connected to many
Individual water out adapter, the head seal of water out adapter is arranged；
Described lever labor-saving device includes gland, supporting frame, lever and elevation and subsidence regulating device；Described supporting frame includes
Entablature, sill and support column, entablature and sill are fixed with one end of support column respectively；Described gland and hanger bar
Fixing, the top of hanger bar and entablature are threaded connection；Described lever offers sill hinge hole, fixed pivot hinge
Connect hole, the first balancing weight hinge hole and the second balancing weight hinge hole, and be provided with horizontal detector；Described lever is at sill
At hinge hole hinged with sill；First balancing weight and lever are hinged at the first balancing weight hinge hole, the second balancing weight and thick stick
Bar is hinged at the second balancing weight hinge hole；Described elevation and subsidence regulating device includes worm screw, worm gear, screw mandrel, handwheel and bearing；Institute
The bearing stated is fixed on bottom test platform；The wheel hub of described worm gear and worm screw are all bearing in bearing by bearing, worm gear with
Worm engaging；One end of described worm screw is stretched out and is fixed with handwheel outside bearing；Worm gear is connected with screw mandrel；The bottom of described screw mandrel and thick stick
Bar is hinged at fixed pivot hinge hole.
2. the compression of a kind of refuse soil according to claim 1 and infiltration relation analyzer, it is characterised in that: described oozes
Saturating post is the cylindrical shape of bottom lock.
3. the compression of a kind of refuse soil according to claim 1 and infiltration relation analyzer, it is characterised in that: described infiltration
The head of each water out adapter of post is threaded connection with a pipe cap respectively；One of them water out adapter is arranged on infiltration post
Bottommost.
4. the compression of a kind of refuse soil according to claim 1 and infiltration relation analyzer, it is characterised in that: described retaining
The head of each water out adapter of case is threaded connection with a pipe cap respectively.
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| CN201410350911.7A CN104122185B (en) | 2014-07-22 | 2014-07-22 | The compression of a kind of refuse soil and infiltration relation analyzer |
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| CN201410350911.7A CN104122185B (en) | 2014-07-22 | 2014-07-22 | The compression of a kind of refuse soil and infiltration relation analyzer |
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| CN104122185B true CN104122185B (en) | 2016-10-05 |
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| CN104297132B (en) * | 2014-11-07 | 2017-06-27 | 李铮 | A kind of experimental rig for testing multilayer geotextiles vertical permeability coefficient |
| CN104914029B (en) * | 2015-05-29 | 2017-05-31 | 浙江工业大学 | Large scale city solid waste skeleton and pore water Volume Changes coefficient measuring device |
| CN104880404A (en) * | 2015-06-08 | 2015-09-02 | 中国科学院武汉岩土力学研究所 | Settlement testing device for garbage soil |
| CN107255490A (en) * | 2017-06-14 | 2017-10-17 | 哈尔滨工业大学深圳研究生院 | Multifunctional garbage soil degraded compression device |
| CN107389474A (en) * | 2017-08-02 | 2017-11-24 | 华北科技学院 | A kind of soil test direct shear apparatus |
| CN109030315B (en) * | 2018-08-22 | 2020-11-27 | 福州大学 | Low-stress initial one-dimensional compression-penetration test system and working method thereof |
| CN110274842B (en) * | 2019-07-12 | 2024-03-22 | 浙江理工大学 | MBT garbage field water-holding capacity measuring method |
| CN113624659B (en) * | 2021-08-20 | 2023-08-15 | 内蒙古自治区林业科学研究院 | Indoor soil infiltration rate measuring equipment |
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Application publication date: 20141029 Assignee: Zhejiang Tugong Instrument Co., Ltd. Assignor: Zhejiang Sci-Tech University Contract record no.: 2018330000112 Denomination of invention: Tester for researching compression-permeation relationship of garbage soil Granted publication date: 20161005 License type: Common License Record date: 20181019 |