CN103741658A - Method for realizing joint survey of sand blowing and filling amount by adopting ground penetrating radar and static penetrometer - Google Patents
Method for realizing joint survey of sand blowing and filling amount by adopting ground penetrating radar and static penetrometer Download PDFInfo
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- CN103741658A CN103741658A CN201410007450.3A CN201410007450A CN103741658A CN 103741658 A CN103741658 A CN 103741658A CN 201410007450 A CN201410007450 A CN 201410007450A CN 103741658 A CN103741658 A CN 103741658A
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Abstract
The invention discloses a method for realizing joint survey of sand blowing and filling amount by adopting a ground penetrating radar and a static penetrometer. The method comprises the following steps: selecting a reference point on each planned survey line in unit survey areas; acquiring a topographic map formed after blowing of an entire blowing and filling area; recording the time window depth of an interface between a blowing and filling layer and an original stratum on each reference point by adopting the geological section map of each planned survey line of the ground penetrating radar; measuring a curve indicating the change of the specific penetration resistance of a soil layer on each reference point along with the depth by adopting the static penetrometer, and recording the depth of the interface between the blowing and filling layer and the original stratum on each reference point; calculating the dielectric constant of the blowing and filling layer on each reference point, and calculating the dielectric constant of each survey area; inputting the dielectric constant of the blowing and filling layer in any survey area into data post-processing software of the ground penetrating radar to obtain the interface depth of each survey line, and calculating the blowing and filling mount of the survey area; calculating the blowing and filling amounts of all survey areas, and summarizing to obtain the blowing and filling amount of the entire blowing and filling area. By adopting the method, a novel stratum hierarchical recognition technology is developed, and the sand blowing and filling amount can be surveyed effectively under the condition of lack of terrain data before blowing of the blowing and filling area.
Description
Technical field
The present invention relates to engineering survey field, the hydraulic fill sand measuring method that especially management of sand excavation is used, specifically a kind of method that adopts ground penetrating radar and static penetrometer remote sensing hydraulic fill sand amount.
Background technology
Management of sand excavation involves a wide range of knowledge, and has chronicity and complexity concurrently, and difficulty is very large, and not only, control flood and open the navigation or air flight safety stable concerning river gesture, more concerning economic society harmonious development, strengthens adopting the capacity building of sandpipe reason, constantly promotes managerial skills very important.Using economic means is the important channel of strengthening adopting sandpipe reason to adopting that sand behavior regulate and control, in accordance with the law, rationally, standard is imposed river course sand and stone resources and is taken, and is the important measures that prevent unreasonable exploitation and sand and stone resources loss.And the metering prospecting technique level that improves sand and stone resources will contribute to rationally, standard is imposed river course sand and stone resources expense, further promote effective management of river sand mining.
At present, the collection of river course sand and stone resources expense is mainly to adopt side's amount that sand blast fills out as basis.Hydraulic reclamation forward and backward topographic survey is carried out in hydraulic reclamation region, and to confirm to exploit total amount be a comparatively way for science, and technology is comparatively ripe.But in Practical Project class, adopt in sand process, for various reasons, usually cannot get the topographic(al) data before the hydraulic reclamation of hydraulic reclamation region, this is just for the collection that calculating and the resource of last hydraulic fill sand cubic meter of stone amount are taken has brought difficulty.Ground penetrating radar and static sounding remote sensing hydraulic fill sand amount technology are for a new technological approaches has been opened up in the hydraulic fill sand cubic meter of stone amount exploration of blowing in the situation of front topographic(al) data disappearance.
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Summary of the invention
The object of the invention is to be difficult to for hydraulic fill sand cubic meter of stone amount in management of sand excavation the problem of calculating, propose a kind of method that adopts ground penetrating radar and static penetrometer remote sensing hydraulic fill sand amount.Some is adopted sand Dredger Filling Engineering and in the situation that failing to act procedure of submitting reports for approval, just implements dredge fill, causes the front landform of blowing of hydraulic reclamation region to obtain, and only with blowing rear topographic(al) data, cannot calculate and blows amount of fill, thereby cannot rationally impose sand and stone resources expense.If can survey out the interface on hydraulic reclamation layer and former stratum in the completed situation of dredge fill, just can calculate and blow amount of fill, thereby reach the object that reasonable collection sand and stone resources is taken.
Technical scheme of the present invention is:
A method that adopts ground penetrating radar and static penetrometer remote sensing hydraulic fill sand amount, it comprises the following steps:
(1), each survey district, unit in hydraulic reclamation district respectively plan on survey line, choose several reference points;
(2), obtain whole hydraulic reclamation district and blow rear topographic map;
(3), adopt ground penetrating radar to record corresponding log sheet along each plan survey line, when window degree of depth back wave stroke is walked while recording each reference point place hydraulic reclamation layer and former strata interface;
(4), adopt specific penetration resistance that static penetrometer records each reference point place soil layer with change in depth curve, record the i.e. minute aspect degree of depth of each reference point place hydraulic reclamation layer and the former strata interface degree of depth;
(5), calculate each reference point hydraulic reclamation layer of sand dielectric constant, in Ge Ce district, get the average of each reference point hydraulic reclamation layer of sand dielectric constant as the dielectric constant of hydraulic reclamation layer of sand in corresponding survey district;
(6), by the hydraulic reclamation layer of sand dielectric constant input Coherent Noise in GPR Record the poster processing soft (model can be RANDAN6.6) in arbitrary survey district, in Dui Gaice district, the log sheet of each survey line is processed successively, obtain each survey line hydraulic reclamation layer and the former strata interface degree of depth, calculate Gai Ce district and blow amount of fill (blowing the conventional Calculation Method that amount of fill adopts this area according to interface depth calculation);
(7), repeating step (6) calculates the amount of fill of blowing in all surveys district, Jiang Gece blows in district amount of fill and gathers, and calculates whole hydraulic reclamation district and blows amount of fill (calculate whole hydraulic reclamation district and blow the conventional Calculation Method that amount of fill adopts this area according to the amount of fill of blowing in Ge Ce district).
Step of the present invention (1) specifically comprises: according to hydraulic reclamation district size, be divided into several survey districts, unit, Ge Ce district equidistantly arranges some plan surveys line, chooses some fixed points as reference point on each survey line.
In the present invention, the hydraulic reclamation layer thickness in hydraulic reclamation district is not more than 8m, and unit survey area is not more than 0.1km
2, each survey district, unit is by planning survey line separately, and the plan arrangement of measuring-line in Ge Ce district is to be advisable perpendicular to hydraulic reclamation district embankment axis, and its spacing is not more than 50m, and the reference point that every survey line is chosen as static sounding measuring point is 2 ~ 3.
In the present invention, hydraulic reclamation district is on average divided into several unit, if exist landform to change landforms sharply through investigating Nei Yuan stratum, a certain unit, reduces the area of this unit till this landforms are changed to the mild place of landform; The landforms that described landform changes sharply comprise that gush in river, groove.
Step of the present invention (2) specifically comprises: adopt gps system to carry out equidistant one-point measurement along plan survey line, and at each reference point place mark record, to gps measurement data, adopt southern CASS drawing formation system processing acquisition Ge Ce district and whole hydraulic reclamation district to blow rear topographic map.
Step of the present invention (3) specifically comprises: adopt ground penetrating radar along each plan survey line, to record corresponding log sheet in profile survey mode, and at the same mark record in each reference point place, according to the wave character after sectional drawing data processing, divide hydraulic reclamation layer and former stratum, when obtaining hydraulic reclamation layer and former stratum window degree of depth back wave stroke being walked when interfacial, unit: nanosecond.
Step of the present invention (4) specifically comprises: using the reference point of choosing on each survey district, unit plan survey line as static sounding measuring point, the specific penetration resistance that employing static penetrometer records this place's soil layer is with change in depth curve, by the remarkable flex point on curve, determine the i.e. minute aspect degree of depth of the interfacial degree of depth of feeler inspection point hydraulic reclamation layer and former stratum, unit: rice.
Step of the present invention (5) specifically comprises:
(a), the following formula of window degree of depth substitution calculates when minute aspect degree of depth of reference point that static sounding is surveyed and co-located ground penetrating radar are surveyed, and obtains the Electromagnetic Wave Propagation speed v of this reference point,
，
Wherein: when during t-minute aspect, window degree of depth back wave stroke is walked; Z-hydraulic reclamation layer and the former strata interface degree of depth divide the aspect degree of depth; Distance between x-ground penetrating radar transmitting antenna and reception antenna is fixed value;
(b), adopt following formula to calculate the hydraulic reclamation layer of sand dielectric constant of this reference point;
Wherein: v-propagation velocity of electromagnetic wave; C-light velocity; ε-dielectric constant;
(c), repeating step (a)-(b), in like manner calculate the dielectric constant of other reference points in arbitrary survey district, get its average as hydraulic reclamation layer of sand dielectric constant in Gai Ce district;
(d), repeating step (a)-(c), obtain each survey district, unit hydraulic reclamation layer of sand dielectric constant in hydraulic reclamation district.
Beneficial effect of the present invention:
The present invention has opened up a kind of new strata division recognition technology, can be before lacking hydraulic reclamation district and blowing topographic(al) data in the situation that, effectively survey hydraulic fill sand amount.Measure relative error and can be controlled in 5% generally blow amount of fill and the topographic survey side that adopt that ground penetrating radar and static sounding remote sensing technology obtain.This invention is also applicable to the layering of all kinds of ground workss such as dyke, roadbed and metering exploration.
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The specific embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
A method that adopts ground penetrating radar and static penetrometer remote sensing hydraulic fill sand amount, it comprises the following steps:
(1), according to hydraulic reclamation district size, be divided into several survey districts, unit, Ge Ce district equidistantly arranges some plan surveys line, chooses some fixed points as reference point on each survey line;
(2), employing gps system carries out equidistant one-point measurement along plan survey line, and at each reference point place mark record, to gps measurement data, adopts southern CASS drawing formation system processing acquisition Ge Ce district and whole hydraulic reclamation district to blow rear topographic map;
(3), adopt ground penetrating radar along each plan survey line, to record corresponding log sheet in profile survey mode, and at the same mark record in each reference point place, according to the wave character after sectional drawing data processing, divide hydraulic reclamation layer and former stratum, when obtaining hydraulic reclamation layer and former stratum window degree of depth back wave stroke being walked when interfacial, unit: nanosecond;
(4), using the reference point of choosing on each survey district, unit plan survey line as static sounding measuring point, the specific penetration resistance that employing static penetrometer records this place's soil layer is with change in depth curve, by the remarkable flex point on curve, determine the i.e. minute aspect degree of depth of the interfacial degree of depth of feeler inspection point hydraulic reclamation layer and former stratum, unit: rice;
(5), calculate each reference point hydraulic reclamation layer of sand dielectric constant, in Ge Ce district, get the average of each reference point hydraulic reclamation layer of sand dielectric constant as the dielectric constant of hydraulic reclamation layer of sand in corresponding survey district, specifically comprise:
(a), the following formula of window degree of depth substitution calculates when minute aspect degree of depth of reference point that static sounding is surveyed and co-located ground penetrating radar are surveyed, and obtains the Electromagnetic Wave Propagation speed v of this reference point,
Wherein: when during t-minute aspect, window degree of depth back wave stroke is walked; Z-hydraulic reclamation layer and the former strata interface degree of depth divide the aspect degree of depth; Distance between x-ground penetrating radar transmitting antenna and reception antenna is fixed value;
(b), adopt following formula to calculate the hydraulic reclamation layer of sand dielectric constant of this reference point;
Wherein: v-propagation velocity of electromagnetic wave; C-light velocity; ε-dielectric constant;
(c), repeating step (a)-(b), in like manner calculate the dielectric constant of other reference points in arbitrary survey district, get its average as hydraulic reclamation layer of sand dielectric constant in Gai Ce district;
(d), repeating step (a)-(c), obtain each survey district, unit hydraulic reclamation layer of sand dielectric constant in hydraulic reclamation district;
(6), by the hydraulic reclamation layer of sand dielectric constant input Coherent Noise in GPR Record the poster processing soft (model can be RANDAN6.6) in arbitrary survey district, in Dui Gaice district, the log sheet of each survey line is processed successively, obtain each survey line hydraulic reclamation layer and the former strata interface degree of depth, calculate Gai Ce district and blow amount of fill (blowing the conventional Calculation Method that amount of fill adopts this area according to interface depth calculation);
(7), repeating step (6) calculates the amount of fill of blowing in all surveys district, Jiang Gece blows in district amount of fill and gathers, and calculates whole hydraulic reclamation district and blows amount of fill (calculate whole hydraulic reclamation district and blow the conventional Calculation Method that amount of fill adopts this area according to the amount of fill of blowing in Ge Ce district).
In step of the present invention (1), the hydraulic reclamation layer thickness in hydraulic reclamation district is not more than 8m, and unit survey area is not more than 0.1km
2, each survey district, unit is by planning survey line separately, and the plan arrangement of measuring-line in Ge Ce district is to be advisable perpendicular to hydraulic reclamation district embankment axis, and its spacing is not more than 50m, and the reference point that every survey line is chosen as static sounding measuring point is 2 ~ 3.
In the present invention, hydraulic reclamation district is on average divided into several unit, if exist landform to change landforms sharply through investigating Nei Yuan stratum, a certain unit, reduces the area of this unit till this landforms are changed to the mild place of landform; The landforms that described landform changes sharply comprise that gush in river, groove.
This invention adopts ground penetrating radar and static cone penetration equipment to survey completing the hydraulic reclamation region of construction, by the combination of two kinds of different operating principle equipment, applies, and reaches and surveys out the interfacial object of hydraulic reclamation layer and former stratum.Ground penetrating radar, by launching and receiving the electromagnetic wave reflecting from each soil layer, completes the hierarchical structure of surveying the soil body.Former stratum, hydraulic reclamation district and hydraulic reclamation layer of sand dielectric constant have notable difference conventionally, and minute aspect can be surveyed and identify by ground penetrating radar continuity, but need to carry out relevant parameter demarcation, can obtain correct minute aspect depth location.Static sounding utilizes feeler inspection resistance principle, can directly to the soil body, carry out mechanics layering, but measured result is Points replacing surfaces, and as the inadequate science of macroscopic statistics, operating process is time-consuming simultaneously takes a lot of work, and cost is higher.Ground penetrating radar and static sounding use in conjunction can be brought into play to advantage separately: adopt ground penetrating radar to record continuous stratigraphic section along survey line, realize hydraulic reclamation layer and former stratigraphic division; Adopt static sounding checking soil layer to divide, by minute aspect degree of depth of the feeler inspection hole site obtaining and the contrast of co-located Coherent Noise in GPR Record, demarcate this district's hydraulic reclamation layer of sand dielectric constant; Be applied to again Coherent Noise in GPR Record and explain, obtain each survey line hydraulic reclamation aspect depth data of this district, gather to calculate and blow amount of fill.
A kind of new strata division recognition technology has been opened up in this invention, can be before lacking hydraulic reclamation district and blowing topographic(al) data in the situation that, effectively survey hydraulic fill sand amount.Measure relative error and can be controlled in 5% generally blow amount of fill and the topographic survey side that adopt that ground penetrating radar and static sounding remote sensing technology obtain.This invention is also applicable to the layering of all kinds of ground workss such as dyke, roadbed and metering exploration.
The part that the present invention does not relate to all prior art that maybe can adopt same as the prior art is realized.
Claims (8)
1. a method that adopts ground penetrating radar and static penetrometer remote sensing hydraulic fill sand amount, is characterized in that it comprises the following steps:
(1), each survey district, unit in hydraulic reclamation district respectively plan on survey line, choose several reference points;
(2), obtain whole hydraulic reclamation district and blow rear topographic map;
(3), adopt ground penetrating radar to record corresponding log sheet along each plan survey line, when window degree of depth back wave stroke is walked while recording each reference point place hydraulic reclamation layer and former strata interface;
(4), adopt specific penetration resistance that static penetrometer records each reference point place soil layer with change in depth curve, record the i.e. minute aspect degree of depth of each reference point place hydraulic reclamation layer and the former strata interface degree of depth;
(5), calculate each reference point hydraulic reclamation layer of sand dielectric constant, in Ge Ce district, get the average of each reference point hydraulic reclamation layer of sand dielectric constant as the dielectric constant of hydraulic reclamation layer of sand in corresponding survey district;
(6), by the hydraulic reclamation layer of sand dielectric constant input Coherent Noise in GPR Record the poster processing soft in arbitrary survey district, in Dui Gaice district, the log sheet of each survey line is processed successively, obtain each survey line hydraulic reclamation layer and the former strata interface degree of depth, calculate Gai Ce district and blow amount of fill;
(7), repeating step (6) calculates the amount of fill of blowing in all surveys district, Jiang Gece blows in district amount of fill and gathers, and calculates whole hydraulic reclamation district and blows amount of fill.
2. the method for employing ground penetrating radar according to claim 1 and static penetrometer remote sensing hydraulic fill sand amount, it is characterized in that step (1) specifically comprises: according to hydraulic reclamation district size, be divided into several survey districts, unit, Ge Ce district equidistantly arranges some plan surveys line, chooses some fixed points as reference point on each survey line.
3. the method for employing ground penetrating radar according to claim 1 and 2 and static penetrometer remote sensing hydraulic fill sand amount, is characterized in that the hydraulic reclamation layer thickness in hydraulic reclamation district is not more than 8m, and unit survey area is not more than 0.1km
2, each survey district, unit is by planning survey line separately, and the plan arrangement of measuring-line in Ge Ce district is to be advisable perpendicular to hydraulic reclamation district embankment axis, and its spacing is not more than 50m, and the reference point that every survey line is chosen as static sounding measuring point is 2 ~ 3.
4. the method for employing ground penetrating radar according to claim 2 and static penetrometer remote sensing hydraulic fill sand amount, it is characterized in that hydraulic reclamation district to be on average divided into several unit, if exist landform to change landforms sharply through investigating Nei Yuan stratum, a certain unit, reduce the area of this unit till this landforms are changed to the mild place of landform; The landforms that described landform changes sharply comprise that gush in river, groove.
5. the method for employing ground penetrating radar according to claim 1 and static penetrometer remote sensing hydraulic fill sand amount, it is characterized in that step (2) specifically comprises: adopt gps system to carry out equidistant one-point measurement along plan survey line, and at each reference point place mark record, to gps measurement data, adopt southern CASS drawing formation system processing acquisition Ge Ce district and whole hydraulic reclamation district to blow rear topographic map.
6. the method for employing ground penetrating radar according to claim 1 and static penetrometer remote sensing hydraulic fill sand amount, it is characterized in that step (3) specifically comprises: adopt ground penetrating radar along each plan survey line, to record corresponding log sheet in profile survey mode, and at the same mark record in each reference point place, according to the wave character after sectional drawing data processing, divide hydraulic reclamation layer and former stratum, when obtaining hydraulic reclamation layer and former stratum window degree of depth back wave stroke being walked when interfacial, unit: nanosecond.
7. the method for employing ground penetrating radar according to claim 1 and static penetrometer remote sensing hydraulic fill sand amount, it is characterized in that step (4) specifically comprises: using the reference point of choosing on each survey district, unit plan survey line as static sounding measuring point, the specific penetration resistance that employing static penetrometer records this place's soil layer is with change in depth curve, by the remarkable flex point on curve, determine the i.e. minute aspect degree of depth of the interfacial degree of depth of feeler inspection point hydraulic reclamation layer and former stratum, unit: rice.
8. the method for employing ground penetrating radar according to claim 1 and static penetrometer remote sensing hydraulic fill sand amount, is characterized in that step (5) specifically comprises:
(a), the following formula of window degree of depth substitution calculates when minute aspect degree of depth of reference point that static sounding is surveyed and co-located ground penetrating radar are surveyed, and obtains the Electromagnetic Wave Propagation speed v of this reference point,
Wherein: when during t-minute aspect, window degree of depth back wave stroke is walked; Z-hydraulic reclamation layer and the former strata interface degree of depth divide the aspect degree of depth; Distance between x-ground penetrating radar transmitting antenna and reception antenna is fixed value;
(b), adopt following formula to calculate the hydraulic reclamation layer of sand dielectric constant of this reference point;
Wherein: v-propagation velocity of electromagnetic wave; C-light velocity; ε-dielectric constant;
(c), repeating step (a)-(b), in like manner calculate the dielectric constant of other reference points in arbitrary survey district, get its average as hydraulic reclamation layer of sand dielectric constant in Gai Ce district;
(d), repeating step (a)-(c), obtain each survey district, unit hydraulic reclamation layer of sand dielectric constant in hydraulic reclamation district.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105220694A (en) * | 2015-10-26 | 2016-01-06 | 河海大学 | A kind of engineering jackstone amount evaluation method |
| CN107330569A (en) * | 2017-08-17 | 2017-11-07 | 武汉大学 | Static sounding soil layer automatic identifying method based on simulated annealing |
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| EP2148224A1 (en) * | 2008-07-23 | 2010-01-27 | Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO | Determining earth properties |
| CN101915771A (en) * | 2010-09-03 | 2010-12-15 | 中国科学院南京土壤研究所 | Method for determining sandy soil moisture content based on low-frequency ground penetrating radar ground method |
| CN201903653U (en) * | 2010-12-17 | 2011-07-20 | 天津水运工程勘察设计院 | Comprehensive treatment device for topographic survey in reclamation areas |
| JP2011247678A (en) * | 2010-05-25 | 2011-12-08 | Railway Technical Research Institute | Groundwater level observation system and groundwater level observation method |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2148224A1 (en) * | 2008-07-23 | 2010-01-27 | Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO | Determining earth properties |
| JP2011247678A (en) * | 2010-05-25 | 2011-12-08 | Railway Technical Research Institute | Groundwater level observation system and groundwater level observation method |
| CN101915771A (en) * | 2010-09-03 | 2010-12-15 | 中国科学院南京土壤研究所 | Method for determining sandy soil moisture content based on low-frequency ground penetrating radar ground method |
| CN201903653U (en) * | 2010-12-17 | 2011-07-20 | 天津水运工程勘察设计院 | Comprehensive treatment device for topographic survey in reclamation areas |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105220694A (en) * | 2015-10-26 | 2016-01-06 | 河海大学 | A kind of engineering jackstone amount evaluation method |
| CN105220694B (en) * | 2015-10-26 | 2017-08-01 | 河海大学 | A kind of engineering jackstone amount evaluation method |
| CN107330569A (en) * | 2017-08-17 | 2017-11-07 | 武汉大学 | Static sounding soil layer automatic identifying method based on simulated annealing |
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