CN107576659A - Method for detecting extrusion performance of plant root system on pipeline anticorrosive coating - Google Patents

Method for detecting extrusion performance of plant root system on pipeline anticorrosive coating Download PDF

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CN107576659A
CN107576659A CN201610526113.4A CN201610526113A CN107576659A CN 107576659 A CN107576659 A CN 107576659A CN 201610526113 A CN201610526113 A CN 201610526113A CN 107576659 A CN107576659 A CN 107576659A
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target
root system
plant
trench
root
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CN107576659B (en
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张文艳
罗敏
侯胜
熊娟
段行知
周世玉
赵红娱
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Petrochina Co Ltd
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Petrochina Co Ltd
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Abstract

The invention discloses a method for detecting the extrusion performance of a plant root system on an anticorrosive coating of a pipeline, and belongs to the field of pipeline corrosion prevention. The method comprises the following steps: and pre-selecting the target plant, digging a trench in an area 0.8-1.3m away from the trunk of the target plant, and exposing the root system of the target plant in the trench. And selecting a straight and undamaged root system as a target root system from the root system, and intercepting two pipelines as target pipelines. And clamping the target root system by the two target pipelines, then placing the micro root canal on the interface of the target pipeline and the target root system, and binding the target pipeline, the target root system and the micro root canal together. And (5) backfilling the trench, and periodically inserting the linear scanning head of the ecological monitoring system of the root system of the micro-root pipe into the micro-root pipe for scanning after the target root system continues to grow for a preset time to obtain a scanning image. And analyzing the scanned image by using a root system analyzer to acquire parameter information representing the morphological change of the target root system and the morphological change of the pipeline anticorrosive coating so as to determine the extrusion performance of the plant root system to the pipeline anticorrosive coating.

Description

Detection method of the root system of plant to pipeline anticorrosion coating extrusion performance
Technical field
The present invention relates to pipeline corrosion protection field, detection of more particularly to a kind of root system of plant to pipeline anticorrosion coating extrusion performance Method.
Background technology
With the continuous expansion of China's pipe-line construction scale, pipe installation is inevitably generated with planting along the line Contradiction.Anticorrosive coating on its external wall is needed in pipe applications, and by studying deep rooting plant root system to pipeline anticorrosion coating Influence degree, the particularly extrusion performance to pipeline anticorrosion coating, harm of the root system of plant to pipeline can be assessed exactly, this is right In protective conduit safety, mitigate pipe-line construction burden, protect local economy and resource, it is significant.Due to root system of plant It is grown in soil "black box" medium, it grows and distribution has contingency and unpredictability, gives pipeline anticorrosion coating Squeezing ground The research of energy brings very big inconvenience, and pipeline anticorrosion coating is extruded thus, it is necessary to provide a kind of simple and easy root system of plant The detection method of performance.
Prior art generally use following method detects root system of plant to pipeline anticorrosion coating extrusion performance:Where pipeline At region, root system of plant to be seen is selected, then the root system of plant is exposed by disposably excavating, then intuitively observes it Growth, attachment and extruding situation on pipeline anticorrosion coating.
However, it is found by the inventors that at least there is following technical problem in prior art:
Determine that root system of plant to pipeline anticorrosion coating extrusion performance, easily causes brokenly to tube circumference environment using prior art It is bad, and it is only limitted to the qualitative description with regard to root system of plant to pipeline anticorrosion coating extrusion performance, it is difficult to realize long-term and continuous sight Survey research.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is, there is provided a kind of root system of plant is extruded pipeline anticorrosion coating The detection method of performance.Concrete technical scheme is as follows:
A kind of root system of plant includes to the detection method of pipeline anticorrosion coating extrusion performance, methods described:
Step a, pre-selected target plant, centered on the target plant, apart from the target plant trunk 0.8- Trench is excavated in 1.3m region, makes the root system of the target plant in the trench;
Step b, a live body root system that is logical straight and not damaging is chosen in the root system in the trench to make For target root system to be detected, the pipeline of two predetermined lengths is intercepted as Target pipe to be detected;
Step c, in the trench, two Target pipes are made to clamp the target root system, then along described Mini-rhizotron is placed on the interface between the Target pipe and the target root system by the direction of growth of target root system, then will The Target pipe, the target root system and the mini-rhizotron bundle;
Step d, the trench is backfilled, after first scheduled time of target root system continued growth, periodically by mini-rhizotron Root system ecological monitoring system linearity probe inserts in the mini-rhizotron and the target root system and the Target pipe is carried out Scanning, obtain scan image;
Step e, the scan image is analyzed using root system analyzer, obtains and characterize the target Root morphology change Change and characterize the parameter information of pipeline anticorrosion coating metamorphosis, and then determine Squeezing ground of the root system of plant to pipeline anticorrosion coating Energy.
Specifically, preferably, before the excavation is carried out, the plant in the range of the target plant 2-4m is removed Thing.
Specifically, preferably, the trench is cuboid, length 1.5-2.5m, width 1.0-1.5m, depth For 0.8-1.2m.
Specifically, preferably, a diameter of 2-10cm of the target root system, length >=80cm;
The length of the Target pipe is 70-80cm, and the anticorrosive coat on the Target pipe is 3PE anticorrosive coats;
The external diameter of the mini-rhizotron is 7-10cm, length 0.8-1.2m.
Specifically, preferably, during the trench is backfilled, according to the soil being mined out in the trench Level is backfilled successively, and is successively tamped.
Specifically, preferably, first scheduled time is 3-4 months.
As a kind of embodiment, the target root system and the Target pipe are being carried out using the linear scan head During scanning, every second scheduled time, the scanning is carried out at same position.
Specifically, preferably, second scheduled time is 20-30 days.
Further, as another embodiment, when being scanned every time using the linear scan head, described The mobile linear scan head, carries out the scanning at diverse location in mini-rhizotron.
Specifically, the parameter information for characterizing the target changes of root morphology includes:The deformation of the target root system Newborn branched root coefficient mesh and distributing position in amount, the diameter of the target root system, the target root system;
The parameter information for characterizing pipeline anticorrosion coating metamorphosis includes:The deformation quantity of the pipeline anticorrosion coating.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is:
The above method provided in an embodiment of the present invention, by using micro-root window technology in underground with regard to root system of plant to pipeline Anticorrosive coat extrusion performance is continuously and dynamically detected, and it will not be damaged to tube circumference environment, and pass through micro- The scan image that pipe root system ecological monitoring system is obtained to pipeline anticorrosion coating extrusion performance while can be realized with regard to root system of plant Qualitative and quantitative analysis, while also achieve the long-term and continuity of the analysis.It can be seen that method energy provided in an embodiment of the present invention Enough non-destructively in situ detection root system of plant is to the extrusion process of pipeline anticorrosion coating, and it is easy to implement, and experimental data truly may be used Lean on, and extract conveniently, have great importance for assessing harm of the root system of plant to pipeline exactly.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings Accompanying drawing.
Fig. 1 is the binding knot provided in an embodiment of the present invention being made up of Target pipe, target root system, mini-rhizotron, iron wire Structure.
Reference represents respectively:
1 Target pipe,
2 target root systems,
3 mini-rhizotrons,
4 iron wires.
Embodiment
Unless otherwise defined, all technical terms used in the embodiment of the present invention are respectively provided with usual with those skilled in the art The identical implication of understanding.To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to this hair Bright embodiment is described in further detail.
A kind of detection method the embodiments of the invention provide root system of plant to pipeline anticorrosion coating extrusion performance, this method bag Include following steps:
Step 101, pre-selected target plant, centered on target plant, in distance objective plant trunk 0.8-1.3m area Trench is excavated in domain, makes the root system of target plant in trench.
Step 102, a live body root system conduct that is logical straight and not damaging is chosen in the root system in trench Target root system to be detected, the pipeline of two predetermined lengths is intercepted as Target pipe to be detected.
Step 103, in trench, two root object pipelines is clamped target root system, then along the growth of target root system Mini-rhizotron is placed on the interface between Target pipe and target root system by direction, then by Target pipe, target root system and micro- Root pipe bundles.
Step 104, backfill trench, after target root system first scheduled time of continued growth, periodically give birth to mini-rhizotron root system Target root system and Target pipe are scanned in the linear scan head insertion mini-rhizotron of state monitoring system, obtain scan image.
Step 105, using root system analyzer scan image is analyzed, obtain characterize target changes of root morphology and The parameter information of pipeline anticorrosion coating metamorphosis is characterized, and then determines extrusion performance of the root system of plant to pipeline anticorrosion coating.
The above method provided in an embodiment of the present invention, by using micro-root window technology in underground with regard to root system of plant to pipeline Anticorrosive coat extrusion performance is continuously and dynamically detected, and it will not be damaged to tube circumference environment, and pass through micro- The scan image that pipe root system ecological monitoring system is obtained to pipeline anticorrosion coating extrusion performance while can be realized with regard to root system of plant Qualitative and quantitative analysis, while also achieve the long-term and continuity of the analysis.It can be seen that method energy provided in an embodiment of the present invention Enough non-destructively in situ detection root system of plant is to the extrusion process of pipeline anticorrosion coating, and it is easy to implement, and experimental data truly may be used Lean on, and extract conveniently, have great importance for assessing harm of the root system of plant to pipeline exactly.
Specifically, in step 101 provided in an embodiment of the present invention, can be planted by preselecting target to be detected in the wild Thing, and the studies above is carried out with regard to the root system of the target plant.Wherein, in order to obtain the one of the target plant as completely as possible Root system, and it is as few as possible surrounding environment is adversely affected, it is necessary to centered on target plant, in distance objective plant Trunk 0.8-1.3m (such as 0.9m, 1m, 1.1m, 1.2m etc.), trench is excavated preferably in 1m region, make the root system of target plant In trench.It is understood that the trench is preferably placed at the side of target plant, and the root system exposed is only The part root system of target plant.During trench is excavated, in order to ensure the economy of digging process and security, preferably edge Excavated in contour direction.
Further, for the ease of excavating, while the soil for being easy to excavate is put in favor of follow-up by crude oil level These soil are backfilled in trench by former level during backfill, before being excavated, remove distance objective plant 2-4m, such as Plant (miscellaneous filling etc.) in the range of 2m, 2.5m, 3m, 3.5m.Based on above-mentioned, the soil excavated is preferably according to the layer of its original Secondary stacking, in order to be backfilled by former level.Meanwhile in mining process, care should be taken to, target plant is blocked with as few as possible Root system.
Specifically, it is convenient in order that excavating, trench is preferably arranged to cuboid, while in order to intactly obtain One root system of the target plant, and surrounding environment is not adversely affected as far as possible, the specification of the trench is as follows:Length is 1.5-2.5m, width 1.0-1.5m, depth 0.8-1.2m.For example, the length of the trench can be 1.5m, 1.8m, 2m, 2.2m, 2.5m etc., width can be 1.0m, 1.2m, 1.3m, 1.5m etc., and depth can be 0.8m, 1.0m, 1.1m, 1.2m Deng.
Specifically, in step 102 provided in an embodiment of the present invention, selection one is logical in the root system in trench The live body root system not damaged directly and is as target root system to be detected.The target root system should lead to directly, i.e., similar to one Straight line, in order to which it is when being clamped between Target pipe, the side wall of the target root system and the side wall of Target pipe are as complete as possible Full connected, and this target root system is not affected by excavation damage, and it has good activity, in order to which it can be suitable after soil is backfilled Profit grows on pipeline anticorrosion coating.Also, the pipeline of two predetermined lengths with being not limited to sequencing, is intercepted as to be detected Target pipe, it is to be understood that anticorrosive coat is coated with the Target pipe.
Preferably, in order to ensure that target root system can be firmly clamped in Target pipe, the diameter of the target root system For 2-10cm, length >=80cm, for example, the diameter of the target root system can be 2cm, 4cm, 6cm, 8cm, 10cm etc.. On the basis of this, for the trench for coordinating target root system He being excavated, the length of Target pipe is 70-80cm, for example, the mesh The length for marking pipeline can be 70cm, 74cm, 76cm, 78cm, 80cm etc..
Planted it will be appreciated by persons skilled in the art that being applicable not only to detection using method provided in an embodiment of the present invention Detection of the thing root system to common pipeline anticorrosion coating extrusion performance, is also especially suitable for the detection to 3PE anticorrosive coat extrusion performances, This has filled up prior art with regard to plant according to the blank to 3PE anticorrosive coat extrusion performance context of detection, has great importance.
In step 103 provided in an embodiment of the present invention, by making two root object pipelines press from both sides target root system in trench Firmly, so that target root system is in close contact in its direction of growth with Target pipe, and then it is comprehensively investigated to pipeline anticorrosion coating The influence of extrusion performance.Then mini-rhizotron is placed between Target pipe and target root system by the direction of growth along target root system Interface on, then Target pipe, target root system and mini-rhizotron are bundled.First, those skilled in the art need to manage Solution, mini-rhizotron is a kind of transparent pitch tube, and it is common for this area, is commonly used to micro-root window technology, also known as Micro- window pipe, in embodiments of the present invention, it is mainly that mini-rhizotron root system ecological monitoring system linearity probe provides scanning Space and scanning circumstance, the embodiment of the present invention are not limited more specifically it herein.Secondly, in embodiments of the present invention, In order to ensure can to obtain growing state of the target root system on Target pipe exactly in follow up scan, it is necessary to along target root The direction of growth of system mini-rhizotron is placed on the interface between Target pipe and target root system (interface be by Target pipe and The interface that target root system is collectively formed, on this interface, mini-rhizotron with being in contact with Target pipe and target root system simultaneously, and And probe extend into its it is interior when accurately can clearly obtain extruding situation of the target root system to Target pipe).
In order that when being embedded in underground for a long time pine does not occur for the observation entirety that mini-rhizotron, target root system and Target pipe are formed It is dynamic, and the growth of target root system is not interfered with as far as possible, make it have certain volumetric expansion space, it is preferred to use steel wire, Iron wire (such as No. 5 iron wires) etc. bundles mini-rhizotron, target root system and Target pipe.For example, accompanying drawing 1 is shown The desired strap-on structure that is made up of Target pipe 1, target root system 2, mini-rhizotron 3, iron wire 4.
Due to subsequently needing soil being backfilled in trench, in order to avoid entering Influence To Soil scanning effect in mini-rhizotron, When mini-rhizotron is embedded in underground, it is necessary to close mini-rhizotron upper orifice, such as upper orifice can be clogged using supporting plug, or Upper orifice etc. is encased using plastic sheeting.And when being scanned operation, the soil of mini-rhizotron upper orifice annex is gently pushed aside, Its upper orifice is exposed, plug is now opened or unclamps plastic sheeting, open upper orifice.
Further, situation is extruded on pipeline anticorrosion coating in order to intactly obtain target root system, the external diameter of mini-rhizotron is 7-10cm, length 0.8-1.2m.For example, the external diameter of the mini-rhizotron can be 7cm, 8cm, 9cm, 10cm etc., and length can Think 0.8m, 0.9m, 1.0m, 1.1m, 1.2m etc..
In step 104 provided in an embodiment of the present invention, by backfilling trench, treat that target root system continued growth first is predetermined After time, periodically mini-rhizotron root system ecological monitoring system linearity probe is inserted in mini-rhizotron to target root system and target tube Road is scanned, and obtains scan image.In a first aspect, when backfilling trench, returned according to the original level of the soil excavated Fill out, and successively tamp, so that it is basically identical when environment of the target root system after backfill during continued growth be not with excavating, ensure its life Long status is unaffected, further ensures the accuracy of the detection.Second aspect, it is above-mentioned to treat target root system continued growth first The scheduled time, the purpose is to grow target root regeneration, while target root system is respectively formed extruding to two root object pipelines, grind Study carefully discovery, generally, first scheduled time was 3-4 months, such as achievable above-mentioned purpose at 3 months, 4 months.The Three, the embodiment of the present invention is inserted in mini-rhizotron by using mini-rhizotron root system ecological monitoring system linearity probe and is scanned Operation, it is to be understood that mini-rhizotron root system ecological monitoring system is common for this area, and the embodiment of the present invention is herein not It is specifically limited.For example, commercially available C1-600 type plant root growth detecting systems can be selected above-mentioned to carry out Scanning operation.Meanwhile a linear scan head is equipped in each mini-rhizotron root system ecological monitoring system, it can be carried out The scan image of acquisition is simultaneously transferred to outside collector by scanning operation.For example, the linear scan head can be selected commercially available High-resolution cylindricality CCD linear scan heads.
When being scanned using linear scan head to target root system and Target pipe, as the first embodiment, often Every second scheduled time, be scanned at same position, second scheduled time be 20-30 days, such as 20 days, 25 days, 30 It etc..By being periodically scanned with regard to the same position of target root system and Target pipe, the mesh at the same position can be obtained The scan image that root system extrudes Target pipe situation is marked, to realize long-continued dynamic monitoring.As second of embodiment party Formula, when being scanned each time using linear scan head, mobile linear probe, is carried out at diverse location in mini-rhizotron Scanning.By being scanned at the diverse location with regard to target root system and Target pipe, Target pipe can be squeezed with regard to target root system The overall condition of pressure situation provides macroscopical display, avoids the contingency of testing result.
In step 105 provided in an embodiment of the present invention, scan image is analyzed using root system analyzer, obtains table Levy target changes of root morphology and characterize the parameter information of pipeline anticorrosion coating metamorphosis, and then determine root system of plant to pipeline The extrusion performance of anticorrosive coat.It is understood that root system analyzer is common for this area, it is also understood that as equipped with root It is the computer of analysis software, for example, use the commercially available type root system analysis softwares of WinRHZO Tron MF 2012 Realize the present invention.The scan image that mini-rhizotron root system ecological monitoring system is collected can be entered by using root system analyzer Row analysis in real time, to obtain sign target changes of root morphology from scan image and characterize pipeline anticorrosion coating metamorphosis Parameter information, so as to realize visual inspection of the root system of plant to pipeline anticorrosion coating extrusion performance.Specifically, it is accurate complete in order to obtain The information in face, each scan image of same opening position under different time can be analyzed, can also be analyzed under the same time, it is different Each scan image of opening position.
As described above by the root system analysis software of specialty, you can scan image is transformed into intuitively data message, had Body, the parameter information of above-mentioned sign target changes of root morphology includes:The deformation quantity of target root system, target root system it is straight Newborn branched root coefficient mesh and distributing position on footpath, target root system;Characterizing the parameter information of pipeline anticorrosion coating metamorphosis includes: The deformation quantity of pipeline anticorrosion coating.
The present invention will be further described through by specific embodiment below.
In specific examples below, the unreceipted condition person of involved operation, according to normal condition or manufacturer It is recommended that condition carry out.Raw materials used unreceipted production firm and specification person are can be by the conventional products of acquisition purchased in market.
Embodiment 1
Squeezing ground of the present embodiment with Sichuan Province's Neihuang County of Yibin City gas transmission management station Ge Shu root systems to pipeline 3PE anticorrosive coats It can be detected, wherein, detection test site is located at Sichuan Province Yibin City Jiangan County, and test plant is 25 years raw Huang Geshu, Average a height of 8.6m, diameter of a cross-section of a tree trunk 1.3 meters above the ground 48.41cm, hat width 12.3m × 11.5m.Detection is tested to be carried out in December, 2014, in gas transmission management Selection treats that 1 plant of yellow Ge Shu as target plant, removes the miscellaneous filling in the range of 3m, centered on target plant, apart from base in standing Cadre 1m excavates trench, trench length and width, deep respectively 2m, 1.25m, 1.8m.The soil excavated should be according to original soil horizon Secondary stacking, also, target plant root system is blocked less as far as possible in mining process.In trench, 1 more logical straight, diameter is selected 4cm, the live body root system that is not mined process damage of the length more than 80cm is as target root system.It is long with 2 a diameter of 159cm 80cm conventional gas pipeline (it has complete 3PE anticorrosive coats) is used as Target pipe, and target root system is clipped in the middle, so External diameter 7.2cm, long 1.0m mini-rhizotron are positioned over to the mutual interface of Target pipe and target root system afterwards, finally with No. 5 iron wires Target pipe, target root system, mini-rhizotron are banded together, and encased the upper orifice of mini-rhizotron using plastic sheeting.According to The original layer of structure of soil by it is deep and it is shallow be backfilled to trench successively, successively tamp.Treat the root growth of target plant 4 months Afterwards, root growth around mini-rhizotron is returned to original state, utilize micro- of CI-600 types to target root system at interval of 30 days Pipe root system ecological monitoring system middle high-resolution cylindricality CCD linear scans head obtains target root system growth conditions on Target pipe Scan image (in each scanning, it is necessary to which the soil at the top of mini-rhizotron is taken off, make the exposure of its upper orifice and remove to wrap thereon The plastic sheeting of bundle).Finally image is analyzed using WinRHZO Tron MF2012 type root system analysis softwares, obtains mesh Mark roots oxidizing, the deformation quantity of target root system, newborn branched root coefficient mesh and distributing position, pipeline 3PE anti-corrosions on target root system The deformation quantity of layer, and then realize long-continued with regard to extrusion performance progress dynamic monitoring of the target root system to pipeline 3PE anticorrosive coats. It is as follows by the Continuous Observation of 6 months, result of study:
Target roots oxidizing adds 0.32mm, and the deformation quantity of 3PE anticorrosive coats is 0.14mm deformation, and pushing away with the time Move, the deformation quantity of 3PE anticorrosive coats has gradual increased trend.This shows that yellow Ge Shu root growths are to three layers of PE materials production of pipeline Squeezing action has been given birth to, 3PE anticorrosive coats is produced deformation, and with root growth, this squeezing action of diameter increase is stronger, 3PE Deformation quantity is bigger caused by anticorrosive coat.
Presently preferred embodiments of the present invention is the foregoing is only, the protection domain being not intended to limit the invention is all in this hair Within bright spirit and principle, any modification, equivalent substitution and improvements made etc., protection scope of the present invention should be included in Within.

Claims (10)

1. a kind of root system of plant is to the detection method of pipeline anticorrosion coating extrusion performance, it is characterised in that methods described includes:
Step a, pre-selected target plant, centered on the target plant, apart from the target plant trunk 0.8-1.3m's Trench is excavated in region, makes the root system of the target plant in the trench;
Step b, a live body root system conduct that is logical straight and not damaging is chosen in the root system in the trench to treat The target root system of detection, the pipeline of two predetermined lengths is intercepted as Target pipe to be detected;
Step c, in the trench, two Target pipes are made to clamp the target root system, then along the target Mini-rhizotron is placed on the interface between the Target pipe and the target root system by the direction of growth of root system, then by described in Target pipe, the target root system and the mini-rhizotron bundle;
Step d, the trench is backfilled, after first scheduled time of target root system continued growth, periodically by mini-rhizotron root system Ecological monitoring system linearity probe inserts in the mini-rhizotron and the target root system and the Target pipe is scanned, Obtain scan image;
Step e, the scan image is analyzed using root system analyzer, obtain characterize the target changes of root morphology with And the parameter information of pipeline anticorrosion coating metamorphosis is characterized, and then determine extrusion performance of the root system of plant to pipeline anticorrosion coating.
2. according to the method for claim 1, it is characterised in that before the excavation is carried out, remove apart from the target Plant in the range of plant 2-4m.
3. according to the method for claim 2, it is characterised in that the trench is cuboid, length 1.5-2.5m, wide Spend for 1.0-1.5m, depth 0.8-1.2m.
4. according to the method for claim 1, it is characterised in that a diameter of 2-10cm of the target root system, length >= 80cm;
The length of the Target pipe is 70-80cm, and the anticorrosive coat on the Target pipe is 3PE anticorrosive coats;
The external diameter of the mini-rhizotron is 7-10cm, length 0.8-1.2m.
5. according to the method for claim 1, it is characterised in that during the trench is backfilled, according to the trench In the level of soil that is mined out backfilled successively, and successively tamp.
6. according to the method for claim 1, it is characterised in that first scheduled time is 3-4 months.
7. according to the method for claim 1, it is characterised in that using the linear scan head to the target root system and When the Target pipe is scanned, every second scheduled time, the scanning is carried out at same position.
8. according to the method for claim 7, it is characterised in that second scheduled time is 20-30 days.
9. according to the method for claim 1, it is characterised in that when being scanned every time using the linear scan head, The mobile linear scan head, carries out the scanning at diverse location in the mini-rhizotron.
10. according to the method for claim 1, it is characterised in that the parameter for characterizing the target changes of root morphology Information includes:The deformation quantity of the target root system, the diameter of the target root system, newborn branched root coefficient on the target root system Mesh and distributing position;
The parameter information for characterizing pipeline anticorrosion coating metamorphosis includes:The deformation quantity of the pipeline anticorrosion coating.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101266690A (en) * 2007-03-15 2008-09-17 华南农业大学 System and method for three-dimensional image reconstruction of plant root morphology
CN101963584A (en) * 2010-08-25 2011-02-02 北京农业智能装备技术研究中心 Plant root system monitoring system based on hyperboloidal mirror
CN202587942U (en) * 2012-05-30 2012-12-12 西安浐灞生态区管理委员会 Double-purpose box for plant cultivation and root system penetration force experiments
CN104126493A (en) * 2014-07-29 2014-11-05 福建农林大学 Testing device and method for studying how root systems respond to horizontal barriers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101266690A (en) * 2007-03-15 2008-09-17 华南农业大学 System and method for three-dimensional image reconstruction of plant root morphology
CN101963584A (en) * 2010-08-25 2011-02-02 北京农业智能装备技术研究中心 Plant root system monitoring system based on hyperboloidal mirror
CN202587942U (en) * 2012-05-30 2012-12-12 西安浐灞生态区管理委员会 Double-purpose box for plant cultivation and root system penetration force experiments
CN104126493A (en) * 2014-07-29 2014-11-05 福建农林大学 Testing device and method for studying how root systems respond to horizontal barriers

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