CN101565925B - Pavement distress investigating and treating method - Google Patents

Abstract

The invention relates to a pavement distress investigating and data treating method which is based on global positioning satellite (GPS) technology or utilizes reference substances along a road for positioning. The method comprises the steps: based on the determination of an investigated road section, electronic satellite map programs are firstly operated on a networking computer to find out the coordinates of a staring point, a route turning point and a terminal point of the investigated road section, or information on reference substances (such as villages, gas stations, crossings, bridges and the like) at both sides of the road are obtained on a detailed road traffic map; and then information on the length of the road section is calculated and the investigated road section is sectionalized; information about the investigation of the road section is led into a handheld computer which is then used for recording information on the positions of pavement distress with different marks respectively according to the distress profile field and also conducting distress investigation and statistics; and distress data counted by the handheld computer are opened on the computer, pavement distress within preset distance of each certain length is respectively counted and calculated and then datasheet and charts obtained from analysis are stored in the computer.

Description

Pavement distress investigating and treating method

One, technical field:

The present invention relates to a kind of pavement disease investigation method, particularly relate to a kind ofly, and utilize palm PC to carry out the pavement disease investigation and the data processing method of on-the-spot disease survey based on the gps satellite location technology or based on road object of reference location technology along both side.

Two, background technology:

At present along with the continuous development and the raising of social economy's level, the variation of making rapid progress has taken place in the traffic route environment between intercity, the world or even the rural area, and the global world has become " global village ".Cast aside railway and do not say, the contact lifeblood in spread all over the world at present city, various places, town and country mainly is exactly highway, comprises highway and each standard highway, city town road, or even the aircraft of airbus also from not the construction of airport, runway.Since each standard highway is the important channel of passenger traffic, logistics, the safety of road has also just been maintained the people's the security of the lives and property closely so, therefore the maintenance of building up road is just become an important problem.In fact in decades, the detection research of pavement of road disease and application technology are the problems that enjoys countries in the world relevant departments to pay close attention to always.How depression, wave to road surfaces such as each standard highway such as highway, city town road, airfield runways promptly and accurately gathered around hidden danger such as bag, rut, thermal cracking, fatigue crack, road surface damage by water be bad and detected, for road provides effective damaged data recording in whole military service process, the technical scheme of specialty is provided for road maintenance department, the decision-making foundation of science is provided for vehicle supervision department, being very to need, also is the major issue that concerns national economy.

Present domestic pavement disease investigation method mainly contains dual mode: a kind of is manual research; A kind of is to adopt special-purpose large-scale inspection vehicle to detect to finish.The problem that these two kinds of methods exist is: 1) manual research is to carry measuring equipment by the technician to carry out on-site data gathering and be recorded in form, later stage calculates the data of being gathered according to the evaluation criteria arrangement and obtains a result, this method inefficiency, labour intensity are big, and the user can't obtain the pavement disease positional information in time, quickly and accurately; 2) investigation result is by routine processes, and the disease data can not directly be exported, and the result disposes not prompt enough directly perceived; 3) though adopt large-scale inspection vehicle investigation to alleviate the workload of pavement disease investigation, can accurately finish investigation efficiently, greatly improved work efficiency, but this investigation method need cooperate expensive inspection vehicle, narrow positions such as ring road for highway can not effectively be finished detection, and it is also uneconomical to be used for the investigation of low-grade highway.Therefore, how can study a kind of pavement disease investigation method with economy, practicality, rapidity and accuracy, all be vital to communications and transportation construction in China or even the worldwide and road maintenance not only, or even press for.

Three, summary of the invention:

The present invention is directed to the prior art deficiency, a kind of information acquisition and disposal route of pavement disease are proposed, utilize depression, the wave of palm PC road pavement to gather around disease hidden danger such as bag, rut, thermal cracking, fatigue crack, road surface damage by water be bad and carry out field investigation, investigation highway section disease information is handled by computing machine.The research operations mode is flexible, simple, and information acquisition is accurate, the result quicklook.

The technical solution adopted in the present invention:

A kind of pavement distress investigating and treating method, on the basis of determining the investigation highway section, at first, on electronic chart, find out the coordinate information of the starting point in the highway section of investigating, middle turning point and terminal point by operation electronics satellite map program on the computing machine that inserts the internet; Utilize the distance calculation instrument then, zequin is to the distance of each turning point and terminal point, convert the coordinate information in this highway section the range information of highway section to by computer processing, and this highway section is carried out segmentation markers every certain length by setpoint distance

1) coordinate information of starting point, route turning point and the terminal point in above-mentioned this highway section is imported with the form of polar plot has in the palm PC of GPS positioning system, utilize the GPS receiving device to receive coordinate information by palm PC, and in palm PC, extract the parsing relevant information by handling procedure;

2) by selecting the GPS absolute fix, obtain the disease positional information, carry out the disease survey statistics by palm PC, gather around bag, rut, thermal cracking, fatigue crack or/and loose disease type according to depression, wave, respectively with different signs according to on-the-spot hand-written being recorded in the palm PC of disease profile, investigation records finishes, and storage disease survey statistics finishes field investigation;

3) with the disease data storage of storing in the palm PC in computing machine, open the disease data that count on by palm PC on computers, Automatic Program is finished the disease segmentation statistics and the highway section disease tabulate statistics of investigation every unit, highway section, and tables of data and the chart that analysis obtains is saved in the computing machine;

Perhaps, on the basis of determining the investigation highway section, at first pass through to obtain the building information of road both sides as reference, and, utilize the distance calculation instrument then with object of reference positional information input computer along the line, zequin is to the distance of each object of reference, the object of reference information in this highway section is converted to the length information in highway section by computer processing, and this highway section carried out the branch segment identification every certain length by setpoint distance, these information are saved in the computing machine

1) in the form importing palm PC of object of reference information with above-mentioned this highway section with polar plot, carry palm PC and arrive the investigation highway section, above object of reference information of making and range marker information are contrasted with on-the-spot object of reference, accurately locate present investigator present position;

2) after the object of reference positional information of palm PC and field data comparison location coincide, carry out the investigation of pavement disease, gather around bag, rut, thermal cracking, fatigue crack or/and loose disease type according to depression, wave, respectively with different signs according to on-the-spot hand-written being recorded in the palm PC of disease profile, investigation records finishes, storage disease survey statistics finishes field investigation;

3) with the disease data storage of storing in the palm PC in computing machine, open the disease data that count on by palm PC on computers, Automatic Program is finished the disease segmentation statistics and the highway section disease tabulate statistics of investigation every unit, highway section, and tables of data and the chart that analysis obtains is saved in the computing machine.

Road building information along both side as object of reference comprises that village, refuelling station, intersection are or/and bridge by obtaining investigation highway section building information along both side, converts thereof into the length information apart from starting point.

Aforesaid pavement distress investigating and treating method is a zone for disease performance, and the marginal point of getting the disease of naming a person for a particular job by the palm PC screen is chosen and constituted a surface area then, and the size of disease area S1 is calculated by following mathematical model:

$S_1=\frac{1}{2}\∫(\mathrm{xdy}-\mathrm{ydx})=\frac{1}{2}\underset{i=1}{\overset{N_h}{\mathrm{\Σ}}}{x}_i{y}_{i+1}-x_{i+1}{y}_i---\left(1\right)$

X in the formula _i, y _i, x _I+1, y _I+1Be respectively horizontal ordinate and ordinate that i point, i+1 are ordered;

Performance is a curve for disease, directly the physical location of this disease on road is clicked from palm PC; Disease shows as its disease area S of curve ₂By first computational length:

$l=\underset{i=1}{\overset{n}{\mathrm{\Σ}}}\sqrt{{x_i}^2+{y_i}^2}---\left(2\right)$

X in the formula _i, y _iBe respectively horizontal ordinate and ordinate that i is ordered, wherein i is a natural number;

Calculate the area that disease distributes with following formula then:

$S_2=\underset{i=1}{\overset{n}{\mathrm{\Σ}}}{\mathrm{\α}}_i{l}_i=\underset{i=1}{\overset{n}{\mathrm{\Σ}}}{\mathrm{\α}}_i\sqrt{{x_i}^2+{y_i}^2}---\left(3\right)$

α in the formula _iIt is the width that influences of i kind pavement disease;

Described pavement distress investigating and treating method obtains the disease statistics in the setpoint distance highway section of each measured length on computers, simultaneously with the disease situation on this highway section with damaged trend curve figure (φ _i-l) form is represented:

${\mathrm{\ψ}}_i=\frac{S_i}{S_0}---\left(4\right)$

$\stackrel{\‾}{{\mathrm{\ψ}}_i}=\underset{k=1}{\overset{i}{\mathrm{\Σ}}}{\mathrm{\ψ}}_k/i---\left(5\right)$

φ _i＝φ _i-1+(ψ _i-ψ _i) (6)

In the formula, S _iThe damaged area in-Di i setpoint distance highway section;

S ₀The area in-Di i setpoint distance highway section, the length that be multiply by the setpoint distance highway section by road width obtains; ψ _iThe breakage rate in-Di i setpoint distance highway section

φ _iThe damaged parameter in-Di i setpoint distance highway section, φ here ₁=ψ ₁

The output result obtains the concrete disease situation in the highway section of investigating, and is convenient to the maintenance and the maintenance of highway.

Described pavement distress investigating and treating method, the positional information in investigation highway section is obtained the coordinate information of road starting point, turning point and terminal point by GPS, and converts the coordinate information of each segmentation to.

Described pavement distress investigating and treating method, described computer processing according to the coordinate information in investigation highway section, utilizes following formula to calculate the length information of investigation highway section point-to-point transmission.

$l=\sqrt{{(y_2-y_1)}^2+{(x_2-x_1)}^2}---\left(7\right)$

In the formula, l is the length of investigation highway section point-to-point transmission, x ₁, y ₁, x ₂, y ₂Be respectively forward and backward 2 horizontal ordinate and ordinate.

Useful good effect of the present invention:

1, pavement disease investigation method of the present invention adopts palm PC to finish in conjunction with global position system, perhaps adopt palm PC to finish in conjunction with object of reference along the line location, testing process does not need large-scale investigation equipment, easy to use flexible, compare with expensive road surface multifunctional examining measuring car investigation method, cost is extremely cheap; Traditional relatively manual research mode has been saved the labour, and is safe, and each highway section disease can be looked back inquiry at any time, reads intuitive and convenient.

2, pavement distress investigating and treating method of the present invention, the positional information in investigation highway section is obtained the coordinate information of road starting point, turning point and terminal point by the global location coordinate; Perhaps obtain the positional information in investigation highway section as reference by the building information of determining the road both sides, with reference to object location information input computer, and the length information that converts the object of reference information or the coordinate information in this highway section to highway section by computer processing, utilize the distance calculation instrument then, this highway section is investigated the unit every 20m or certain distance highway section as one, accurately obtain the road disease present position, do not rely on pile No. on the way, it is more accurate to investigate, and result treatment is more timely.

3, pavement disease investigation method of the present invention, with simple, economical, convenient, practicable mode, realized the accurate investigation of road pavement disease information, can promptly and accurately provide effective damaged data recording in whole military service process to each standard highway, city town road, airfield runway etc., for road maintenance department provides professional technical scheme, provide the decision-making foundation of science for vehicle supervision department.This investigation method detects data and can share with the grading counting system of " highway subgrade road surface on-the-spot test rules " (JTG E60-2008), " highway technology situation evaluation criteria " (JTG H20-2007) and " highway engineering quality check evaluation criterion " (JTG F80/1-2004) etc., thereby its system has been carried out better improving and replenishing.

Four, description of drawings:

Figure 1 shows that the flow diagram of the embodiment one of pavement distress investigating and treating method of the present invention;

Shown in Figure 2 is the damaged record in palm PC temperature displayed crack among the embodiment one;

Shown in Figure 3 is the pavement disease statistical graph in the investigation highway section that computing machine generates among the embodiment one;

Figure 4 shows that the flow diagram of the embodiment four of pavement distress investigating and treating method of the present invention;

Shown in Figure 5 is the damaged record in palm PC temperature displayed crack among the embodiment four;

Shown in Figure 6 is the pavement disease statistical graph in the investigation highway section that computing machine generates among the embodiment four.

Five, embodiment:

Embodiment one: referring to Fig. 1～Fig. 3.Present embodiment is the pilot survey highway section with domestic certain section highway in Henan Province, specifies the implementation process of pavement distress investigating and treating method of the present invention.

1, the information in investigation highway section is obtained:

At first on the computing machine that inserts the internet, move Google earth map, find the highway section that needs investigation, coordinate (coordinate information can be presented at the lower left corner on the Google earth map) at the starting point of finding out this section way on the Google earth, route turning point and terminal point, and utilize the distance calculation instrument that carries on the Google earth, zequin is to the distance of each turning point.

2, in computing machine, will investigate the highway section segmentation:

With the coordinate information in this highway section by computer processing, according to following formula:

$l=\sqrt{{(y_2-y_1)}^2+{(x_2-x_1)}^2}---\left(1\right)$

In the formula, x ₁, y ₁, x ₂, y ₂Be respectively forward and backward 2 coordinate,

Convert the length information in highway section to, and segmentation is carried out every 20m in this highway section.The selected test section of present embodiment length is 6000m, promptly has 300 sections (every section 20m).

A newly-built file is imported the length information on name, length and this road on this road, and the coordinate information of test section starting point, each turning point and terminal point, saves as a pavement disease enquiry procedure file.

3, top ready-made pavement disease enquiry procedure file importing is had in the palm PC of GPS positioning system, arrive the test road, the pavement disease enquiry procedure of operation palm PC is shown in Figure 2.According to gps coordinate location pavement disease,, click according to disease profile scene with different signs and to be recorded in the palm PC then according to disease type (as rut, thermal cracking, fatigue crack or loose).As your residing position a thermal cracking is arranged, then according to fracture strike and length, the relevant position, highway section that shows in palm PC is with the broken line label record disease of certain proportion length.Investigation finishes, and click saves options, and data will preserve.

4, receive the satellite data that receives from the GPS receiving trap by palm PC, and in palm PC, resolve the extraction relevant information by the palm PC handling procedure.

5, in palm PC, carry out the disease survey statistics:, obtain the disease positional information by selecting the GPS absolute fix.Performance is one zone for disease, and the marginal point of selecting the palm PC screen to get the disease of naming a person for a particular job is chosen and constituted a surface area then, and performance is a curve for disease, directly the physical location of this disease on road is clicked from palm PC.

6, storage disease survey statistics in palm PC, with investigation statistics to the disease data storage in computing machine.Open the disease data that count on by palm PC on computers, the pavement disease in every 20m is carried out the disease statistical study respectively.The disease area will show with the form of word document, and tables of data and the chart that analysis obtains is saved in the computing machine.The statistics table is page table 1 as follows:

Table 1: the damaged area output in highway section

The disease area that this form will be investigated in the every 20m in highway section is noted one by one.IIK XX+Y wherein, XX represent you are that Y represents your what meter in this section which 20m section (is an investigation section because this method is selected 20m).Such as showing on the screen that " you are on IIK 13+-7 " represents that you from the distance of starting point are now: 13 * 20+ (7)=253m.Shown in Figure 3 is the pavement disease statistical graph in the investigation highway section of computing machine generation; Computing machine can also generate the pavement disease trend curve figure in investigation highway section.

Embodiment two: referring to Fig. 1.The present embodiment pavement distress investigating and treating method, on the basis of determining the investigation highway section, by operation electronics satellite map program on the computing machine of networking, on electronic chart, find out the coordinate of starting point, route turning point and the terminal point in the highway section of investigating, and utilize the distance calculation instrument, zequin is to the distance of each turning point, then with the coordinate information in this highway section by computer processing, according to following formula:

$l=\sqrt{{(y_2-y_1)}^2+{(x_2-x_1)}^2}---\left(1\right)$

In the formula, x ₁, y ₁, x ₂, y ₂2 coordinate before and after being respectively.

Convert the length information in highway section to, and segmentation is carried out every the setpoint distance of certain-length in this highway section.

1) the investigation information in above-mentioned this highway section is imported with the form of polar plot has in the palm PC of GPS positioning system, receive coordinate information by GPS receiving device in the palm PC, and adopt handling procedure to extract, resolve relevant information;

2) by selecting the GPS absolute fix, obtain the disease positional information, carry out the disease survey statistics by palm PC, according to rut, thermal cracking, fatigue crack or loose type, respectively with different signs according to on-the-spot hand-written being recorded in the palm PC of disease profile, investigation records finishes, and storage disease survey statistics finishes field investigation;

3) with the disease data storage of storing in the palm PC in computing machine, open the disease data that count on by palm PC on computers, Automatic Program is finished the disease segmentation statistics and the highway section disease tabulate statistics of investigation every unit, highway section, and tables of data and the chart that analysis obtains is saved in the computing machine.Can finish data processing, output investigation result (form and diagrammatic form).

Embodiment three: referring to Fig. 1.The present embodiment pavement distress investigating and treating method, be the further optimization on embodiment two bases: when on computers the pavement disease in the setpoint distance highway section of each measured length being carried out statistical computation respectively, performance is one zone for disease, the marginal point of selecting the palm PC screen to get the disease of naming a person for a particular job is chosen and is constituted a surface area then, adopts the big or small S of following formula to the disease area ₁Calculate:

$S_1=\frac{1}{2}\underset{i=1}{\overset{N_h}{\mathrm{\Σ}}}{x}_i{y}_{i+1}-x_{i+1}{y}_i---\left(1\right)$

X in the formula _i, y _i, x _I+1, y _I+1Be respectively horizontal ordinate and ordinate that i point, i+1 are ordered;

For disease performance is curve, directly the physical location of this disease on road is clicked from palm PC, and its area is by first computational length:

$l=\underset{i=1}{\overset{n}{\mathrm{\Σ}}}\sqrt{{x_i}^2+{y_i}^2}---\left(2\right)$

X in the formula _i, y _iBe respectively horizontal ordinate and ordinate that i is ordered;

Calculate the area that disease distributes with following formula then:

$S_2=\underset{i=1}{\overset{n}{\mathrm{\Σ}}}{\mathrm{\α}}_i{l}_i=\underset{i=1}{\overset{n}{\mathrm{\Σ}}}{\mathrm{\α}}_i\sqrt{{x_i}^2+{y_i}^2}---\left(3\right)$

α in the formula _iBe the width that influences of i kind disease, wherein i is a natural number;

With the specific program of computing machine the disease in each set a distance is exported intuitively with the mode of word or chart simultaneously, perhaps simultaneously the damaged trend curve on this highway section is represented:

${\mathrm{\ψ}}_i=\frac{S_i}{S_0}---\left(4\right)$

$\stackrel{\‾}{{\mathrm{\ψ}}_i}=\underset{k=1}{\overset{i}{\mathrm{\Σ}}}{\mathrm{\ψ}}_k/i---\left(5\right)$

φ _i＝φ _i-1+(ψ _i-ψ _i) (6)

In the formula, S _iThe area of-Di i kind breakage; Here S ₁=ψ ₁

S ₀The area in-Di i setpoint distance highway section (road width multiply by the setpoint distance road section length and obtains);

ψ _iThe breakage rate in-Di i setpoint distance highway section

The output result obtains the concrete disease situation of the terminal of investigating, and is convenient to the maintenance and the maintenance of highway.

Embodiment four: referring to Fig. 4～Fig. 6.What present embodiment pavement distress investigating and treating method and embodiment one were different is to determine the pavement disease position with investigation highway section object of reference information along both side.

1, the information in investigation highway section is obtained: the electronic map information of at first obtaining investigation detailed road route information in highway section and object of reference along the line (village, refuelling station, crossing, bridge etc.), with reference to object location information input computer, utilize the distance calculation instrument then, zequin is to the distance of each object of reference, the object of reference information in this highway section is converted to the length information in highway section by computer processing, and this highway section carried out the branch segment identification every certain length by setpoint distance, these information are saved in the computing machine.

2, in computing machine, will investigate the highway section segmentation: with the coordinate information in this highway section by computer processing, according to following formula:

$l=\sqrt{{(y_2-y_1)}^2+{(x_2-x_1)}^2}---\left(7\right)$

In the formula, x ₁, y ₁, x ₂, y ₂Be respectively forward and backward 2 coordinate,

Convert the length information in highway section to, and segmentation is carried out every 20m (or other length) in this highway section.The selected test section of present embodiment length is 6000m, promptly has 300 sections (every section 20m).

A newly-built file is imported the length information on name, length and this road on this road, and the coordinate information of test section starting point, each turning point and terminal point, saves as a pavement disease enquiry procedure file.

3, the object of reference information with above-mentioned this highway section imports in the palm PC, carries palm PC and arrives on the investigation highway section, and above object of reference information of making and on-the-spot object of reference are contrasted, and accurately locatees present investigator present position.

4, after the position is determined,, click according to disease profile scene with different signs and to be recorded in the palm PC then according to disease type (gathering around bag, rut, thermal cracking, fatigue crack or loose) as depression, wave.As your residing position a thermal cracking is arranged, then according to fracture strike and length, the relevant position, highway section that shows in palm PC is with the broken line label record disease of certain proportion length.Investigation finishes, and click saves options, and data will preserve.

5, open the disease data that count on by palm PC on computers, the pavement disease in every 20m is carried out the disease statistical study respectively.The disease area will show with the form of word document, and tables of data and the chart that analysis obtains is saved in the computing machine.The disease area that highway section damaged area output form will be investigated in the every 20m in highway section is noted one by one.Shown in Figure 5 is the pavement disease statistical graph in the investigation highway section of computing machine generation; Computing machine can also generate the pavement disease trend curve figure in investigation highway section, as shown in Figure 6.

Embodiment five: referring to Fig. 5～Fig. 6.The present embodiment pavement distress investigating and treating method, at first obtain the electronic map information of investigation detailed road route information in highway section and object of reference along the line (village, refuelling station, crossing, bridge etc.), with reference to object location information input computer, utilize the distance calculation instrument then, zequin is to the distance of each object of reference, and the object of reference information in this highway section is converted to the length information in highway section by computer processing, and this highway section carried out segmentation every certain length setting distance, these information are saved in the computing machine.On computers the pavement disease in the setpoint distance highway section of each measured length is carried out statistical computation respectively then, performance is one zone for disease, or performance is a curve for disease, and its area account form is respectively with embodiment three.Can the disease in each set a distance be exported intuitively with the mode of word or chart with the specific program of computing machine simultaneously, perhaps simultaneously the damaged trend curve on this highway section be represented, and the output result obtains the concrete disease situation of the terminal of investigating.

Claims (9)

1. pavement distress investigating and treating method, it is characterized in that: on the basis of determining the investigation highway section, at first, on electronic chart, obtain the coordinate information of starting point, middle turning point and the terminal point in investigation highway section by GPS by operation electronics satellite map program on the computing machine that inserts the internet; Utilize the distance calculation instrument then, zequin is to the distance of each turning point and terminal point, convert the coordinate information in this highway section the range information of highway section to by computer processing, and this highway section is carried out segmentation markers every certain length by setpoint distance

1) coordinate information of starting point, turning point and the terminal point in above-mentioned this highway section is imported with the form of polar plot has in the palm PC of GPS positioning system, receive coordinate information by GPS receiving trap in the palm PC, and adopt handling procedure to extract, resolve relevant information;

2) by selecting the GPS absolute fix, obtain the disease positional information, carry out the disease survey statistics by palm PC, gather around any one or wherein any two kinds, three kinds, four kinds, five kinds or whole pavement disease types in bag, rut, thermal cracking, fatigue crack or the loose pavement disease type according to depression, wave, respectively with different signs according to on-the-spot hand-written being recorded in the palm PC of disease profile, investigation records finishes, and storage disease survey statistics finishes field investigation;

3) with the disease data storage of storing in the palm PC in computing machine, open the disease data that count on by palm PC on computers, Automatic Program is finished the disease segmentation statistics and the highway section disease tabulate statistics of investigation every unit, highway section, and tables of data and the chart that analysis obtains is saved in the computing machine.

2. pavement distress investigating and treating method according to claim 1 is characterized in that: for disease performance is a zone, and the marginal point of getting the disease of naming a person for a particular job by the palm PC screen is chosen and constituted a surface area then, disease area S ₁Size calculate by following mathematical model:

$S_1=\frac{1}{2}\∫(\mathrm{xdy}-\mathrm{ydx})=\frac{1}{2}\underset{i=1}{\overset{N_h}{\mathrm{\Σ}}}{x}_i{y}_{i+1}-x_{i+1}{y}_i---\left(1\right)$

X in the formula _i, y _i, x _I+1, y _I+1Be respectively horizontal ordinate and ordinate that i point, i+1 are ordered;

Performance is a curve for disease, directly the physical location of this disease on road is clicked from palm PC; Disease shows as its disease area S of curve ₂By first computational length:

$l=\underset{i=1}{\overset{n}{\mathrm{\Σ}}}\sqrt{{x_i}^2+{y_i}^2}---\left(2\right)$

X in the formula _i, y _iBe respectively horizontal ordinate and ordinate that i is ordered, wherein i is a natural number;

Calculate the area that disease distributes with following formula then:

$S_2=\underset{i=1}{\overset{n}{\mathrm{\Σ}}}{\mathrm{\α}}_i{l}_i=\underset{i=1}{\overset{n}{\mathrm{\Σ}}}{\mathrm{\α}}_i\sqrt{{x_i}^2+{y_i}^2}---\left(3\right)$

α in the formula _iIt is the width that influences of i kind pavement disease.

3. pavement distress investigating and treating method according to claim 2 is characterized in that: obtain the disease statistics in the setpoint distance highway section of each measured length on computers, simultaneously with the disease situation on this highway section with damaged trend curve figure (φ _i-l) form is represented:

${\mathrm{\ψ}}_i=\frac{S_i}{S_0}---\left(4\right)$

$\stackrel{\‾}{{\mathrm{\ψ}}_i}=\underset{k=1}{\overset{i}{\mathrm{\Σ}}}{\mathrm{\ψ}}_k/i---\left(5\right)$

${\mathrm{\φ}}_i={\mathrm{\φ}}_{i-1}+({\mathrm{\ψ}}_i-\stackrel{\‾}{{\mathrm{\ψ}}_i})---\left(6\right)$

In the formula, S _iThe damaged area in-Di i setpoint distance highway section;

S ₀The area in-Di i setpoint distance highway section, the length that be multiply by the setpoint distance highway section by road width obtains; ψ _iThe breakage rate in-Di i setpoint distance highway section;

φ _iThe damaged parameter in-Di i setpoint distance highway section, φ here ₁=ψ ₁

The output result obtains the concrete disease situation in the highway section of investigating, and is convenient to the maintenance and the maintenance of highway.

4. according to claim 1 or 2 or 3 described pavement distress investigating and treating methods, it is characterized in that: described computer processing, according to the coordinate information in investigation highway section, utilize following formula to calculate the length information of investigating the highway section point-to-point transmission,

$l=\sqrt{{(y_2-y_1)}^2+{(x_2-x_1)}^2}---\left(7\right)$

In the formula, l is the length of investigation highway section point-to-point transmission, x ₁, y ₁, x ₂, y ₂Be respectively forward and backward 2 horizontal ordinate and ordinate.

5. pavement distress investigating and treating method; On the basis of determining traffic counts; It is characterized in that: at first by obtaining traffic counts building information along both side as reference; With traffic counts object of reference positional information input computer along both side; Utilize then apart from computational tool; Zequin is to the distance of each object of reference; The object of reference information exchange in this highway section is crossed the length information that computer processing converts the highway section to; And this highway section carried out segment identification every certain length by setpoint distance; These information are saved in the computer

1) in the form importing palm PC of object of reference information with above-mentioned this highway section with polar plot, carry palm PC and arrive the investigation highway section, above object of reference information of making and range marker information are contrasted with on-the-spot object of reference, accurately locate present investigator present position;

2) after the object of reference positional information of palm PC and field data comparison location coincide, carry out the investigation of pavement disease, gather around any one or wherein any two kinds, three kinds, four kinds, five kinds or whole pavement disease types in bag, rut, thermal cracking, fatigue crack or the loose pavement disease type according to depression, wave, respectively with different signs according to on-the-spot hand-written being recorded in the palm PC of disease profile, investigation records finishes, storage disease survey statistics finishes field investigation;

3) with the disease data storage of storing in the palm PC in computing machine, open the disease data that count on by palm PC on computers, Automatic Program is finished the disease segmentation statistics and the highway section disease tabulate statistics of investigation every unit, highway section, and tables of data and the chart that analysis obtains is saved in the computing machine.

6. pavement distress investigating and treating method according to claim 5 is characterized in that: for disease performance is a zone, and the marginal point of getting the disease of naming a person for a particular job by the palm PC screen is chosen and constituted a surface area then, disease area S ₁Size calculate by following mathematical model:

$S_1=\frac{1}{2}\∫(\mathrm{xdy}-\mathrm{ydx})=\frac{1}{2}\underset{i=1}{\overset{N_h}{\mathrm{\Σ}}}{x}_i{y}_{i+1}-x_{i+1}{y}_i---\left(1\right)$

X in the formula _i, y _i, x _I+1, y _I+1Be respectively horizontal ordinate and ordinate that i point, i+1 are ordered;

Performance is a curve for disease, directly the physical location of this disease on road is clicked from palm PC; Disease shows as its disease area S of curve ₂By first computational length:

$l=\underset{i=1}{\overset{n}{\mathrm{\Σ}}}\sqrt{{x_i}^2+{y_i}^2}---\left(2\right)$

X in the formula _i, y _iBe respectively horizontal ordinate and ordinate that i is ordered, wherein i is a natural number;

Calculate the area that disease distributes with following formula then:

$S_2=\underset{i=1}{\overset{n}{\mathrm{\Σ}}}{\mathrm{\α}}_i{l}_i=\underset{i=1}{\overset{n}{\mathrm{\Σ}}}{\mathrm{\α}}_i\sqrt{{x_i}^2+{y_i}^2}---\left(3\right)$

α in the formula _iIt is the width that influences of i kind pavement disease.

7. pavement distress investigating and treating method according to claim 6 is characterized in that: obtain the disease statistics in the setpoint distance highway section of each measured length on computers, simultaneously with the disease situation on this highway section with damaged trend curve figure (φ _i-l) form is represented:

${\mathrm{\ψ}}_i=\frac{S_i}{S_0}---\left(4\right)$

$\stackrel{\‾}{{\mathrm{\ψ}}_i}=\underset{k=1}{\overset{i}{\mathrm{\Σ}}}{\mathrm{\ψ}}_k/i---\left(5\right)$

${\mathrm{\φ}}_i={\mathrm{\φ}}_{i-1}+({\mathrm{\ψ}}_i-\stackrel{\‾}{{\mathrm{\ψ}}_i})---\left(6\right)$

In the formula, S _iThe damaged area in-Di i setpoint distance highway section;

S ₀The area in-Di i setpoint distance highway section, the length that be multiply by the setpoint distance highway section by road width obtains; ψ _iThe breakage rate in-Di i setpoint distance highway section;

φ _iThe damaged parameter in-Di i setpoint distance highway section, φ here ₁=ψ ₁

The output result obtains the concrete disease situation in the highway section of investigating, and is convenient to the maintenance and the maintenance of highway.

8. according to claim 5,6 or 7 described pavement distress investigating and treating methods, it is characterized in that: described computer processing, according to the coordinate information in investigation highway section, utilize following formula to calculate the length information of investigating the highway section point-to-point transmission,

$l=\sqrt{{(y_2-y_1)}^2+{(x_2-x_1)}^2}---\left(7\right)$

In the formula, l is the length of investigation highway section point-to-point transmission, x ₁, y ₁, x ₂, y ₂Be respectively forward and backward 2 horizontal ordinate and ordinate.

9. pavement distress investigating and treating method according to claim 8 is characterized in that: the investigation highway section along both side comprises any one or wherein two kinds, three kinds or whole object of reference information in village, refuelling station, intersection or the bridge as the building information of object of reference.

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