CN108205160A - A kind of refuse landfill geological exploration method - Google Patents
A kind of refuse landfill geological exploration method Download PDFInfo
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- CN108205160A CN108205160A CN201711375691.3A CN201711375691A CN108205160A CN 108205160 A CN108205160 A CN 108205160A CN 201711375691 A CN201711375691 A CN 201711375691A CN 108205160 A CN108205160 A CN 108205160A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/02—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/083—Controlled source electromagnetic [CSEM] surveying
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
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Abstract
The present invention relates to a kind of refuse landfill geological exploration methods, include the following steps：1st, the distributed areas and boundary of refuse landfill are obtained by geophysics geologic prospecting method；2nd, the land-fill areas obtained in step 1 carries out deep plumb cut to land-fill areas using earth resistivity imaging method, obtains the geological information of refuse landfill；3rd, the refuse landfill geological information obtained according to step 1 and 2 sets bore position and samples detection, further determines that the regional extent and geologic parameter of refuse landfill.Compared with prior art, the present invention is on the basis of traditional drill sampling measuring technology, add in the application of geophysics geological exploration techniques, by the way that first with the earth, physically matter exploration engineering verifies pollution boundary condition, so as to optimize drilling plans, cost and working time are saved, improves the accuracy and accuracy of pollution exploration, realizes that overall economic quickly obtains refuse landfill geological state.
Description
Technical field
The present invention relates to environmental project technical field of waste treatment, more particularly, to a kind of refuse landfill geological exploration side
Method.
Background technology
China's domestic waste amount of clearing is increased in last decade with average annual 3.3% speed.Application of city life garbage is over the years
Cumulative stock has been up to hundred million t more than 60.By 2010, there were household refuse landfill sites 628 in China, and garbage disposal ability is
38.8 ten thousand t/d, in addition also thousands of Mini nutritionalassessments.As many as garbage amount, old number so that storage control
It is particularly arduous.In addition, as China's town site expands, many non-hygiene refuse landfills have been in urban planning
It builds within area's even core space, repairing and treating work has been very urgent.
At present, domestic old household refuse landfill sites are there are many problems, wherein much old field is (including Mini nutritionalassessment and non-
Regular landfill yard) construction, there are larger differences with existing technical standard specification for operation and maintenance.These old fields are using simple
The mode of stacking, occur it is unordered topple over, excess load landfill, without seepage control system or antiseepage destroyed, without cover exposed stockpiling,
Leachate site pollutes phenomena such as surrounding enviroment.Foreign scholar carries out pollution monitoring and evaluation to the landfill yard to have closed for many years, finds
If not taking any reclamation activities, landfill yard pollution may be continued above 30 years.1977, the U.S. was to 18500 garbage loading embeadings
The Ground water Quality Survey on field periphery is the results show that almost half above refuse landfill generates the underground water of place and periphery
Pollution.2005,5.51km around the refuse landfill of Beijing North paradise2The underground water of left and right is contaminated.Old field has become
For the potential pollution source of underground water, greater risk is brought to urban water supply safety.
In order to correctly be assessed old landfill yard, refuse landfill garbage loading embeading present situation and place phase are grasped comprehensively
Hydrogeological property is closed, technical foundation is provided for the regulation of old landfill yard.Existing technique for investigation, which predominantly drills, samples exploration skill
Art carries out probing sampling using different drilling equipments, then carries out test in laboratory analysis, obtains required nature parameters.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of garbage loading embeading places
Matter investigation method.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of refuse landfill geological exploration method, includes the following steps：
S1, the distributed areas and boundary that refuse landfill is obtained by geophysics geologic prospecting method；
S2, the land-fill areas obtained in step S1, using earth resistivity imaging method to land-fill areas
Deep plumb cut is carried out, obtains the geological information of refuse landfill；
Hole site and sampling and testing are explored in S3, the refuse landfill geological information setting obtained according to step S1 and S2, into
One step determines the regional extent and geologic parameter of refuse landfill.
Preferably, the geophysics geologic prospecting method includes electromagnetic method, Ground Penetrating Radar method, induced polarization method and resistance
Rate method.
Preferably, the earth resistivity imaging method is specially High Density Resistivity.
Preferably, the electrode arrangement method of the High Density Resistivity includes four-electrode method and two pole methods.
Preferably, the geological information of refuse landfill that the step S2 is obtained includes landfill depth, landfill
Volume and underground water pollution position.
Preferably, the regional extent and geologic parameter of the refuse landfill further determined that in the step S3 include：Rubbish
Rubbish landfill depth, garbage space distribution, garbage loading embeading boundary, formation lithology property, distribution of strata, groundwater occurrence characteristic and benefit
Draining nature parameters.
Compared with prior art, the present invention has the following advantages：
1st, on the basis of conventional borehole detects sample detecting technology, the application of geophysics geological exploration techniques is added in,
By the way that first physically matter exploration engineering verifies pollution boundary condition with the earth, so as to optimize drilling plans, cost and work are saved
Time improves the accuracy and accuracy of pollution exploration, realizes that overall economic quickly obtains refuse landfill geological state, is
Refuse landfill comprehensive treatment provide technical foundation.
2nd, applied geophysics geological exploration techniques carry out qualitative exploration in advance, verify garbage loading embeading field boundary condition, sky
Between condition, different medium rubbish and percolate accumulation distribution occasion etc., clearly drilling investigates range and pays close attention to region, excellent
Change drilling scheme, improve bore position accuracy and accuracy, improve bore detecting specific aim, when saving research cost and work
Between, reduce unnecessary layout and resulting expense.
3rd, it is highly suitable for high-risk inflammable in operation during the test to place without destruction using geophysical method
The exploration in explosive place, safety higher.
Description of the drawings
Fig. 1 is the flow diagram of this method；
Fig. 2 is that the drilling in embodiment two samples schematic diagram of layouting.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
Embodiment one
As shown in Figure 1, a kind of refuse landfill geological exploration method, includes the following steps：
S1, the distributed areas and boundary that refuse landfill is obtained by geophysics geologic prospecting method；
S2, the land-fill areas obtained in step S1, using earth resistivity imaging method to land-fill areas
Deep plumb cut is carried out, obtains the geological information of refuse landfill；
S3, the refuse landfill geological information obtained according to step S1 and S2 setting exploration hole site simultaneously sample detection, into
One step determines the regional extent and geologic parameter of refuse landfill.
Geophysics geologic prospecting method includes electromagnetic method, Ground Penetrating Radar method, induced polarization method, resistivity method etc., practical
One of which or several method is selected to be used in combination during exploration as needed, it is preferred that using electromagnetic method or Ground Penetrating Radar method.
Resistivity method：It is based on resistivity of media difference, stabling current is provided with to underground using certain electrode assembly,
The potential difference between supply current intensity and measuring electrode is observed, and then calculates and study apparent resistivity, infers buried under ground
The distribution of waste or possible contaminated soil.
Induced polarization method：It may be used to determine in environment exploration and border on boundary between harmful waste and uncontaminated soil,
The accumulation of certain polariton substances is found in soot and distinguishes saline groundwater and clay with same resistivity etc. and is caused
Apparent resistivity prospecting.
Electromagnetic method：It is to detect stratum using electromagnetic induction principle, news coil will be sent to pass to variable frequency in earth's surface when survey is surveyed
Alternating current, generation change over time dynamic primary magnetic field, if underground medium is uneven, in coating, country rock and part
Conductor on generate the secondary magnetic field of sensing.Secondary magnetic field intensity is included by news coil with one in earth's surface, can understand ground whereby
Lower stratum electric conductivity distribution scenario, and then speculate the electrical construction and anomalous body on stratum.
Ground Penetrating Radar method：It is a kind of a kind of method of the principle of reflection detection target geological body using frequency electromagnetic waves, it
Frequency electromagnetic waves are emitted by transmitting antenna using the wide spectrum (1MHz~1GHz) of pulse electromagnetic wave, reception antenna is received from ground
The back wave of lower medium, electromagnetic wave in underground propagation, the property for the underground medium that path, intensity, waveform pass through with wave and
Geometric shape changes and changes, and infers the structure distribution of underground medium according to the hourage of wave, amplitude, wave character in this way.
It is material base to intensify polarization method using the sharp electrical effect difference of rocks different in the earth's crust, ore, by observing with grinding
The regularity of distribution for studying carefully the direct current (time-domain) manually established or the sharp electric field of exchange (frequency domain) carries out looking for ore deposit and solves geological problem
One group of electrical prospecting branching method.
For earth resistivity imaging method preferably using High Density Resistivity, electrode arrangement method includes quadrupole in step S2
Method and two pole methods.High Density Resistivity is according to the difference of testing medium electric conductivity, and research resistance penetrates resistivity of media change
Change, carry out one group of method of geological prospecting.High Density Resistivity is the measuring point that higher density is set in observation, adopts data
Collecting system has degree of precision and antijamming capability, and so as to obtain more rich geological information, it can complete longitudinal and transverse two dimension simultaneously
Survey.
The geological information for the refuse landfill that step S2 is obtained includes landfill depth, landfill volume, underground water
The geological informations such as position are polluted, and continuous three-dimensional formation spatial modeling can be carried out as needed.
By step S1 and S2, refuse landfill rubbish lift thickness variation characteristic, embedding material electricity can be determined substantially
Property feature, bury range boundary, bury bottom depth, burying the geological informations such as volume, obtain landfill leachate electrical property feature, sentence
Disconnected rubbish diffusate underground collection region.
It is using suitable existing probing skill according to on-site actual situations that step S3 settings, which explore hole site and sample detection,
Art, at present the available drilling equipment of landfill yard have：Simple excavating equipment, direct penetration type (Geoprobe), hollow screw bore
(Hollow Stem Augur), impact drill (Cable Tool), cyclone bore (Air Hammer), water conservancy auger
(Hydraulic Rotary) etc..
Simple excavating equipment includes the excavating machinery of various models, and in open type Mini nutritionalassessment, this method can be simply fast
The data such as fast economic acquisition garbage loading embeading situation, rubbish key component, the distribution of rubbish level, but in mining process, rubbish
Rubbish heap body easily caves in, and there are bigger smell pollution, therefore general only in primary stage selectively use.
The working method of direct penetration type equipment is to have vibrations drilling rod by oneself with drilling machine to tap ground, is abandoned in front of drill bit for one
Formula drill bit, in direct injection stratum, brill, which is hit behind appropriate depth position, to be entered well casing and sets well.The method is limited in drilling machine power limit
System, can not break up huge rock, and boring aperture is also therefore limited to be suitable for osculum hole diameter, the relatively thin service life of well body structure compared with
It is short, provisional facility.Geoprobe systems are divided into according to system function at present：Soil and underground water sampling system, monitoring well system
System, contaminated site repair injecting systems, VOC pollutant MIP systems, geotechnics CPT systems, waterpower hole penetration are surveyed in scene
HPT systems etc..Domestic capital equipment is 6620DT types and 7822DT types at present.
Hollow screw bore working method be using have by oneself rotary drilling rod brill is promoted to hit in a rotative pattern, surrounding soil with
Drilling rod discharges ground by the blade of surrounding, drill bit bottom can the deserted wood sieve of device, brill hits i.e. open-top bottom after appropriate depth and fastens
It sieves and installs well casing and backfilled with filtrate.This kind equipment is suitable for the setting of 2~4 cun of monitoring wells, and drilling machine power size will determine can
The most deep degree of setting, in practical applications, it should be noted that because gush it is husky and caused by well depth can not reach.
Impact drill hits bore position using weight and reaches Target For Drilling repeatedly, can drill the monitoring in different depth and aperture
Well.The impact drill needs that are limited in use supplement clean water source or mud in drilling during brill is hit, and avoid sending out
The raw hole that collapses, the use of mud easily generate secondary pollution, and can not carry out soil sample.
The working method that cyclone bores is to touch stratum, drilling machine formation fines using by rod bit in air rammer driving
By by being recycled to ground inside drilling rod with high pressure gas.When being bored using cyclone, since discharge of the high pressure gas as clast is situated between
Matter be easy to cause level of ground water and is judged by accident due to air pressure dispels, may if being drilled into predetermined depth stratum encounters excessively loose situation
Because boring that inner pipe water pressure deficiency gushes sand and that depth is caused to set well is insufficient, while when cyclone driller makees, gas-liquid sprays simultaneously, and two
Secondary pollution problem needs are properly settled.
Hydrauger achievees the purpose that the well that fetches earth and set to hit and rotary drilling-head and quantity of circulating water are to predetermined depth.
It in drilling process, needs to be mixed into drilling mud with water, powdered bentonite, be used, while control well pressure as lubrication, cooling drill bit,
The balancing drilling borehole wall needs to carry out appropriate collection processing to mud in operation process, avoids secondary pollution.
The regional extent and geologic parameter of the refuse landfill further determined that in step S3 include：Garbage loading embeading depth,
Garbage space distribution, garbage loading embeading boundary, formation lithology property, distribution of strata, groundwater occurrence characteristic and benefit draining property ginseng
The parameters such as number.
Embodiment two
Certain soot is surveyed using this method, area is about 50000m2, height is quickly verified using electromagnetic induction method and is led
Electric rate percolate distribution, Electromagnetic measurements range about 26000m2.13 High Density Resistivities are arranged in soot altogether
In addition survey line arranges 5 High Density Resistivity background surveys line in farmland around, specifically setting is as shown in table 1, last according to spy
It is electrically special to survey outcome evaluation buried layer rubbish thickness change feature, buried layer bottom depth, estimation burial amount body, burying material
Sign, landfill seep waters electrical property feature and possible landfill seep waters underground collection region.
The parameter setting of 1 geophysical reconnaissance method of table
Applied geophysics method is tentatively verified rubbish distribution characteristics, garbage loading embeading boundary, rubbish in landfill place and is prevented
After oozing the information such as facility situation, landfill depth, burial garbage bulk, percolate collection region, specific aim setting drilling position
It puts, as shown in Fig. 2, sampling detection, further proves garbage loading embeading depth, spatial distribution, landfill boundary, determine formation lithology
Matter, distribution of strata, groundwater occurrence characteristic and benefit draining nature parameters.
It is detected through geophysical probing technique, this garbage loading embeading place belongs to a wide range of garbage loading embeading play, and bottom is without soil
Work film safeguard procedures have landfill seep waters problem；Investigation result shows that rubbish maximum buried depth is 16~18m；It is average to bury deeply
It spends for 11.5 meters~13.5m；Burial amount is about 300,000~350,000 m3；Multi-frequency induced electricity magnetic method result of detection is shown, in place
The southwestern a large amount of pooling zones of side region landfill seep waters；High Density Resistivity investigation have it is quick find out landfills depth with
The ability of range, daily about 300~600 meters of efficiency of investigating work；Multi-frequency inductive electromagnetic law technology has and quickly finds out stratum
Conductivity distribution ability, can find out distribution of strata situation well, and this method efficiency about 1.5 ten thousand~30,000 of investigating work daily is flat
Square rice.
According to geophysical exploration early period basic result, after drilling sampling, it is about 31 to specify this refuse landfill quantity of refuse
Ten thousand m3；Rubbish is averaged 4.5 meters~10.3 meters of burying depth, the miscellaneous fill in corresponding exploration；Muddy Bottoms silty is corresponded in exploration to glue
Soil, silty clay and middle sand, for sediment of pond before landfill and pond matrix.Sediment layer is distributed in 6.1~12.1 meters；Miscellaneous fill
Infiltration coefficient is 8.5 × 10-4Cm/s belongs to weak permeable stratum；The infiltration coefficient of Muddy Bottoms silty clay is 6 × 10-6Cm/s,
Belong to weak permeable stratum；The infiltration coefficient of silty clay is 4.5 × 10-6Cm/s belongs to weak permeable stratum；The infiltration coefficient of middle sand
It is 3.6 × 10-2Cm/s belongs to middle permeable stratum.It is detected according to hydrogeology, underground water main body is flowed to as southwest eastwards in field
North is affected by climate change apparent, level of ground water year amplitude of variation be 1~5m or so.It is layouted detection according to result early period, only
7 days geologic surveys for just completing entire place, are greatly saved the working time.
Claims (6)
- A kind of 1. refuse landfill geological exploration method, which is characterized in that include the following steps：S1, the distributed areas and boundary that refuse landfill is obtained by geophysics geologic prospecting method；S2, the land-fill areas obtained in step S1 carry out land-fill areas using earth resistivity imaging method Deep plumb cut obtains the geological information of refuse landfill；S3, the refuse landfill geological information obtained according to step S1 and S2 setting exploration hole site simultaneously sample detection, further Determine the regional extent and geologic parameter of refuse landfill.
- 2. a kind of refuse landfill geological exploration method according to claim 1, which is characterized in that the geophysics Matter exploitation method includes electromagnetic method, Ground Penetrating Radar method, induced polarization method and resistivity method.
- 3. a kind of refuse landfill geological exploration method according to claim 1, which is characterized in that the earth resistivity into Image space method is specially High Density Resistivity.
- A kind of 4. refuse landfill geological exploration method according to claim 3, which is characterized in that the high density resistor The electrode arrangement method of rate method includes four-electrode method and two pole methods.
- 5. a kind of refuse landfill geological exploration method according to claim 1, which is characterized in that the step S2 is obtained Refuse landfill geological information include landfill depth, landfill volume and underground water pollution position.
- 6. a kind of refuse landfill geological exploration method according to claim 1, which is characterized in that in the step S3 into The regional extent and geologic parameter for the refuse landfill that one step determines include：Garbage loading embeading depth, garbage space distribution, rubbish are filled out It buries boundary, formation lithology property, distribution of strata, groundwater occurrence characteristic and mends draining nature parameters.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110018519A (en) * | 2019-02-01 | 2019-07-16 | 福建省厦门环境监测中心站 | A kind of underground harmful engineering ground and hydrogeological survey system and method |
| CN110068867A (en) * | 2019-05-08 | 2019-07-30 | 桂林理工大学 | A kind of induced polarization method monitoring heavy metal containing sewage leakage method of pre-buried measuring electrode |
| CN111398360A (en) * | 2020-04-21 | 2020-07-10 | 山东大学 | Pollution source region detection method and system based on L NAP L s in ERT and IP delineation envelope gas zone |
| CN112034452A (en) * | 2020-08-28 | 2020-12-04 | 浙大城市学院 | Ground penetrating radar suitable for judging underground overbreak of quarry and judging method thereof |
| CN112162323A (en) * | 2020-09-28 | 2021-01-01 | 长春工程学院 | Underground unfavorable geological survey method and system based on artificial field source frequency domain electrical method |
| CN112255691A (en) * | 2020-11-09 | 2021-01-22 | 高军 | Method for detecting deep fracture geology by induced polarization composite frequency |
| CN112946756A (en) * | 2021-03-31 | 2021-06-11 | 上海元易勘测设计有限公司 | Site quality rapid detection method based on multi-frequency electromagnetic method and parallel direct current method |
| CN113533444A (en) * | 2021-07-19 | 2021-10-22 | 中国矿业大学(北京) | Annular observation system and method for landfill percolation channel by resistivity method |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018519A (en) * | 2019-02-01 | 2019-07-16 | 福建省厦门环境监测中心站 | A kind of underground harmful engineering ground and hydrogeological survey system and method |
| CN110068867A (en) * | 2019-05-08 | 2019-07-30 | 桂林理工大学 | A kind of induced polarization method monitoring heavy metal containing sewage leakage method of pre-buried measuring electrode |
| CN111398360B (en) * | 2020-04-21 | 2021-06-04 | 山东大学 | Pollution source area detection method and system based on LNAPLs in ERT and IP delineation envelope gas zone |
| CN111398360A (en) * | 2020-04-21 | 2020-07-10 | 山东大学 | Pollution source region detection method and system based on L NAP L s in ERT and IP delineation envelope gas zone |
| CN112034452A (en) * | 2020-08-28 | 2020-12-04 | 浙大城市学院 | Ground penetrating radar suitable for judging underground overbreak of quarry and judging method thereof |
| CN112034452B (en) * | 2020-08-28 | 2023-07-07 | 浙大城市学院 | Ground penetrating radar suitable for judging underground overexcavation of quarry and judging method thereof |
| CN112162323A (en) * | 2020-09-28 | 2021-01-01 | 长春工程学院 | Underground unfavorable geological survey method and system based on artificial field source frequency domain electrical method |
| CN112162323B (en) * | 2020-09-28 | 2024-03-08 | 长春工程学院 | Underground bad geological survey method and system based on artificial field source frequency domain electrical method |
| CN112255691A (en) * | 2020-11-09 | 2021-01-22 | 高军 | Method for detecting deep fracture geology by induced polarization composite frequency |
| CN112255691B (en) * | 2020-11-09 | 2024-02-02 | 高军 | Deep fracture geological method for detecting excitation composite frequency |
| CN112946756A (en) * | 2021-03-31 | 2021-06-11 | 上海元易勘测设计有限公司 | Site quality rapid detection method based on multi-frequency electromagnetic method and parallel direct current method |
| CN113533444A (en) * | 2021-07-19 | 2021-10-22 | 中国矿业大学(北京) | Annular observation system and method for landfill percolation channel by resistivity method |
| CN113533444B (en) * | 2021-07-19 | 2022-07-01 | 中国矿业大学(北京) | Annular resistivity method observation system and method for landfill percolation channel |
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