CN214573054U

CN214573054U - Intelligent runway

Info

Publication number: CN214573054U
Application number: CN202023095244.2U
Authority: CN
Inventors: 凌建明; 方意心; 张家科; 赵鸿铎; 石蓉
Original assignee: Tongji University
Current assignee: Tongji University
Priority date: 2020-12-17
Filing date: 2020-12-21
Publication date: 2021-11-02
Anticipated expiration: 2030-12-21
Also published as: CN113106957A

Abstract

The utility model relates to an airport engineering field especially relates to an intelligent runway. The utility model provides an intelligent runway, wherein a foundation settlement sensing module and a road surface character sensing module are arranged in an airfield runway body; the foundation settlement sensing module comprises a single-point settlement measuring device and the like; the road surface character perception module comprises a base layer surface point type pressure-bearing monitoring device and the like. The utility model provides an intelligent runway and method, have to runway operation and manage the automation of supporting, independently, wisdom perception and analytic ability, can subside the risk to the ground, the risk of coming to nothing at the bottom of the board, the face fracture risk, aircraft water slide risk real-time supervision, timely decision-making, timely early warning when the accident symptomatology appears, and can initiatively confirm the maintenance management scheme, can realize the unmanned management, can promote the realization of the safe operation target of "zero manual work, zero accident, zero delay" effectively, good industrialization prospect has.

Description

Intelligent runway

Technical Field

The utility model relates to an airport engineering field especially relates to an intelligent runway.

Background

The airport runway is a key support for guaranteeing safe and efficient operation of the air vehicle on the ground, and accurate perception and scientific prediction of the performance and the operation state of the runway are the basis for guaranteeing safe operation of the runway. The traditional airport runway detects the performance and the running state of the runway surface by taking manual detection and manual judgment as main means, has complex operation procedures, low efficiency and high misjudgment risk, is not enough to meet the new requirements of safety, efficiency and benefit of the operation of the airport runway, and urgently needs an intelligent solution.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide an intelligent runway for solving the problems in the prior art.

In order to achieve the above and other related objects, one aspect of the present invention provides an intelligent runway, including an airfield runway body, the airfield runway body sequentially including a pavement slab, a base layer and a foundation from top to bottom, the airfield runway body having a foundation settlement sensing module and a pavement character sensing module;

the foundation settlement sensing module comprises a single-point settlement measuring device, a layered settlement measuring device, a differential pressure settlement measuring device, a foundation local strain monitoring device, a humidity measuring device and a matrix suction measuring device;

the road surface character sensing module comprises a base layer surface point type pressure-bearing monitoring device, a base layer surface distributed pressure-bearing monitoring device, a road surface internal strain monitoring device, a road surface internal temperature monitoring device, a road surface instantaneous deflection monitoring device, an airplane wheel track monitoring device, a road surface water film monitoring device and a road surface ice and snow covering monitoring device;

the device also comprises a data storage module, wherein the data storage module comprises a foundation settlement data storage device, a foundation moisture content data storage device, a plate bottom contact condition data storage device, a pavement mechanical response data storage device and a pavement wet and slippery state data storage device;

the foundation settlement data storage device is respectively in signal connection with the single-point settlement measuring device, the layered settlement measuring device, the differential pressure settlement measuring device and the foundation local strain monitoring device;

the foundation moisture content data storage device is respectively in signal connection with the humidity measuring device and the matrix suction measuring device;

the plate bottom contact condition data storage device is respectively in signal connection with the base layer surface point type pressure-bearing monitoring device and the base layer surface distributed pressure-bearing monitoring device;

the road surface mechanical response data storage device is respectively in signal connection with a road surface internal strain monitoring device, a road surface internal temperature monitoring device, a road surface instantaneous deflection monitoring device and an airplane wheel track monitoring device;

and the road surface wet and slippery state data storage device is respectively in signal connection with the road surface water film monitoring device and the road surface ice and snow coverage monitoring device.

In some embodiments of the present invention, the thickness of the road panel is greater than or equal to 20 cm;

in some embodiments of the present invention, the thickness of the base layer is greater than or equal to 15 cm.

The utility model discloses in some embodiments, the single-point subsides measuring device is arranged in the basement layer, the degree of depth that the single-point subsides measuring device is greater than the holding power layer degree of depth, the quantity that the single-point subsides measuring device is one or more, and when the quantity that the single-point subsides measuring device was a plurality of, the interval that each single-point subsided between the measuring device was greater than or equal to 5 m.

The utility model discloses in some embodiments, the measuring device is subsided to the layering is located the basement layer, the quantity of measuring device is subsided to the layering is a plurality of, and evenly distributed on single-point settlement measuring device's gravity direction, each interval between the measuring device is subsided to the layering is greater than or equal to 5 m.

The utility model discloses in some embodiments, differential pressure subsides measuring device and is located the basement layer, differential pressure subsides measuring device's quantity and is a plurality of, and along airport runway body extending direction evenly distributed, and the interval that each differential pressure subsides between the measuring device is 5m ~ 40 m.

The utility model discloses in some embodiments, ground local strain monitoring devices is located the foundation layer, ground local strain monitoring devices distributes along airport runway body extending direction.

The utility model discloses in some embodiments, humidity measurement device is located the basement layer, humidity measurement device's quantity is one or more, and when humidity measurement device's quantity was a plurality of, the interval between each humidity measurement device was more than or equal to 10 m.

In some embodiments of the present invention, the substrate suction measuring device is located in the basement layer, the number of the substrate suction measuring devices is one or more, and when the number of the substrate suction measuring devices is plural, the distance between the substrate suction measuring devices is not less than 10 m.

The utility model discloses in some embodiments, basic unit surface point formula pressure-bearing monitoring devices is located the basic unit layer, basic unit surface point formula pressure-bearing monitoring devices's quantity is one or more, and when basic unit surface point formula pressure-bearing monitoring devices's quantity was a plurality of, the interval between each basic unit surface point formula pressure-bearing monitoring devices was more than or equal to 0.2 m.

The utility model discloses in some embodiments, basic unit surface distributing type pressure-bearing monitoring devices is located basic unit layer upon layer, along airport runway body extending direction and perpendicular to airport runway body extending direction evenly distributed.

The utility model discloses in some embodiments, the inside strain monitoring devices of pavement is located the pavement board layer, and the inside strain monitoring devices's of pavement quantity is one or more, and when the inside strain monitoring devices's of pavement quantity was a plurality of, the interval between each inside strain monitoring devices of pavement was more than or equal to 0.5 m.

The utility model discloses in some embodiments, the inside temperature monitoring device of road surface is located road surface board layer, and layering distributes on the gravity direction of the inside temperature monitoring device of road surface, when the inside temperature monitoring device's of road surface quantity is a plurality of, each inside temperature monitoring device's of road surface horizontal interval is more than or equal to 0.5m, and vertical interval is more than or equal to 5 cm.

The utility model discloses in some embodiments, the instantaneous deflection monitoring devices of pavement is located the pavement board layer, and the quantity of the instantaneous deflection monitoring devices of pavement is one or more, and when the instantaneous deflection monitoring devices of pavement was a plurality of, the interval between each instantaneous deflection monitoring devices of pavement was more than or equal to 0.5 m.

In some embodiments of the present invention, the aircraft footprint monitoring device is located at an edge of the airfield runway body.

The utility model discloses in some embodiments, pavement water film monitoring devices is located the pavement board layer, and pavement water film monitoring devices's quantity is one or more, and when pavement water film monitoring devices's quantity was a plurality of, the interval between each pavement water film monitoring devices was more than or equal to 0.5 m.

The utility model discloses in some embodiments, pavement ice and snow covers monitoring devices and is located the pavement panel layer, and pavement ice and snow covers monitoring devices's quantity is one or more, and when pavement ice and snow covers monitoring devices's quantity was a plurality of, each pavement ice and snow covers interval between the monitoring devices and is greater than or equal to 0.5 m.

The utility model discloses in some embodiments, the intelligent runway still includes the risk evaluation module, the risk evaluation module includes:

the foundation settlement risk evaluation device is used for evaluating foundation settlement risks according to foundation settlement data and soil-water relations of the whole road surface, and the foundation settlement risk evaluation module is connected with the signal;

the plate bottom void risk evaluation device is used for evaluating a plate bottom void risk according to a plate bottom void state, and the plate bottom void risk evaluation module is connected with a signal;

the pavement fracture risk evaluation device is used for evaluating pavement fracture risk according to mechanical response of a pavement structure, and the pavement fracture risk evaluation module is connected with the signal;

the aircraft water slide risk evaluation device is used for evaluating the aircraft water slide risk according to the wet and slippery state of the road surface, and the aircraft water slide risk evaluation module is connected with the signal.

The utility model discloses another aspect provides an airport pavement information monitoring method, monitors airport pavement information through foretell intelligent runway.

In some embodiments of the present invention, the airport pavement information monitoring method includes:

1) providing single-point settlement data, layered settlement data, differential pressure settlement data, foundation local strain data, humidity data and matrix suction data;

2) providing base layer surface bearing data, base layer middle part bearing data, road surface internal strain data, road surface internal temperature data, road surface instantaneous deflection data, airplane wheel track data, road surface water film data and road surface ice and snow covering data;

3) providing foundation settlement data of the whole pavement according to the single-point settlement data, the layered settlement data, the differential pressure settlement data and the foundation local strain data;

4) providing soil-water relationship according to the humidity data and the matrix suction data;

5) providing a plate bottom void state according to the surface pressure-bearing data of the base layer and the middle pressure-bearing data of the base layer;

6) providing mechanical response of a pavement structure according to pavement internal strain data, pavement internal temperature data, pavement instantaneous deflection data and airplane wheel trace data;

7) and providing a wet and slippery state of the road surface according to the water film data and the ice and snow covering data of the road surface.

In some embodiments of the present invention, the airport pavement information monitoring method further comprises:

8) evaluating foundation settlement risks according to foundation settlement data and soil-water relations of the whole pavement;

9) evaluating the plate bottom void risk according to the plate bottom void state;

10) evaluating the pavement fracture risk according to the mechanical response of the pavement structure;

11) and evaluating the water slide risk of the airplane according to the wet and slippery state of the road surface.

Drawings

Fig. 1 shows a schematic structural diagram of the intelligent runway provided by the present invention.

Fig. 2 is a schematic flow chart of the airport pavement information monitoring method provided by the present invention.

Fig. 3 shows the calculation schematic diagram of the strain and vertical displacement of the local strain monitoring device for foundation of the present invention.

Description of the element reference numerals

1 airfield runway body

11 road panel

12 base layer

13 foundation

2 foundation settlement sensing module

21 single-point settlement measuring device

22 layered settlement measuring device

23 differential pressure settlement measuring device

24 ground local strain monitoring devices

25 humidity measuring device

26 matrix suction measuring device

3 road surface character perception module

31 basic unit surface point formula pressure-bearing monitoring devices

32-base-layer surface distributed pressure-bearing monitoring device

33 road surface internal strain monitoring device

34 inside temperature monitoring devices of road surface

35 instant deflection monitoring devices of road surface

36 airplane wheel track monitoring device

37 road surface water film monitoring devices

38-road ice and snow covering monitoring device

4 data storage module

41 foundation settlement data storage device

42 ground moisture content data storage device

43 plate bottom contact state data storage device

44-road surface mechanical response data storage device

45-road surface wet and slippery state data storage device

5 Risk assessment Module

51 foundation settlement risk evaluation device

52 board bottom void risk evaluation device

53 road surface fracture risk evaluation device

54 airplane aquaplaning risk evaluation device

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

Please refer to fig. 1-2. It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the invention in a schematic manner, and only the components related to the invention are shown in the drawings rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, quantity and proportion of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.

The utility model provides an intelligent runway, which comprises an airfield runway body 1, wherein the airfield runway body 1 sequentially comprises a pavement slab 11, a base layer 12 and a foundation 13 from top to bottom, and the airfield runway body 1 is provided with a foundation settlement sensing module 2 and a pavement character sensing module 3; the foundation settlement sensing module 2 comprises a single-point settlement measuring device 21, a layered settlement measuring device 22, a differential pressure settlement measuring device 23, a foundation local strain monitoring device 24, a humidity measuring device 25 and a matrix suction measuring device 26; the pavement property sensing module 3 comprises a base layer surface point type pressure-bearing monitoring device 31, a base layer surface distributed pressure-bearing monitoring device 32, a pavement internal strain monitoring device 33, a pavement internal temperature monitoring device 34, a pavement instantaneous deflection monitoring device 35, an airplane wheel track monitoring device 36, a pavement water film monitoring device 37 and a pavement ice and snow covering monitoring device 38; the device also comprises a data storage module 4, wherein the data storage module 4 comprises a foundation settlement data storage device 41, a foundation moisture content data storage device 42, a plate bottom contact condition data storage device 43, a pavement mechanical response data storage device 44 and a pavement wet and slippery state data storage device 45; the foundation settlement data storage device 41 is respectively in signal connection with the single-point settlement measuring device 21, the layered settlement measuring device 22, the differential pressure settlement measuring device 23 and the foundation local strain monitoring device 24; the foundation moisture content data storage device 42 is respectively in signal connection with the humidity measuring device 25 and the matrix suction measuring device 26; the plate bottom contact condition data storage device 43 is respectively in signal connection with the base layer surface point type pressure-bearing monitoring device 31 and the base layer surface distributed pressure-bearing monitoring device 32; the road surface mechanical response data storage device 44 is respectively in signal connection with the road surface internal strain monitoring device 33, the road surface internal temperature monitoring device 34, the road surface instantaneous deflection monitoring device 35 and the airplane wheel track monitoring device 36; the road surface wet and slippery state data storage device 45 is respectively in signal connection with the road surface water film monitoring device 37 and the road surface ice and snow coverage monitoring device 38. The intelligent runway can provide single-point settlement data, layered settlement data, differential pressure settlement data, foundation local strain data, humidity data and matrix suction data through the foundation settlement sensing module 2, can provide base layer surface bearing data, base layer middle part bearing data, pavement internal strain data, pavement internal temperature data, pavement instantaneous deflection data, airplane wheel trace data, pavement water film data and pavement ice and snow covering data through the pavement property sensing module 3, can convey related data to the data storage module 4, can realize real-time monitoring and timely decision-making on foundation settlement risks, slab bottom void risks, pavement fracture risks and airplane hydroplaning risks through further analysis of the related data, can timely warn when accident symptoms occur, and can actively determine maintenance management and maintenance schemes.

The utility model provides an among the intelligent runway, can include airport runway body 1. The foundation settlement sensing module 2 and the road surface character sensing module 3 are generally distributed at suitable positions of the airfield runway body 1 to collect corresponding data information. As described above, the airfield runway body may include, from top to bottom, the pavement slab 11, the base layer 12 and the foundation 13, and the base layer 12 may further include an upper base layer and a lower base layer. In the airfield runway body 1, the pavement slab 11 is normally intended to directly withstand the effects of the aircraft loads and the external environment and to provide a comfortable and safe driving surface for the aircraft. The material of the pavement slab 11 can be cement concrete or the like, and the thickness of the pavement slab 11 is usually more than or equal to 20 cm. In the airfield runway body 1, the upper base layer is normally used to take up the vertical forces that the runway panel spreads out. The material of the upper base layer can be concrete, asphalt mixture, inorganic binder stabilizing material, macadam mixture and the like, and the thickness of the upper base layer is more than or equal to 10 cm. In the airfield runway body 1, the lower base layer generally functions to diffuse and transmit the vertical force diffused from the upper base layer to the underlying structural layer. The material of the lower base layer can be concrete, asphalt mixture, inorganic binder stabilizing material, macadam mixture and the like, and the thickness of the lower base layer is more than or equal to 10 cm. In the airfield runway body 1, the foundation 13 generally acts as a support for the pavement slab and the substrate. The material of the foundation 13 may typically be soil, stone, earth and stone mix, etc.

The utility model provides an among the intelligent runway, can include the single-point and subside measuring device 21, the single-point subsides measuring device 21 and can be used for monitoring the absolute value of subsiding of the single-point of the required monitoring of airport runway body 1. The single point settlement measurement device 21 may be located in the layer of foundation 13 and the depth of the single point settlement measurement device 21 is typically greater than the depth of the bearing layer. The number of the single-point settlement measuring devices 21 can be one or more, the distribution mode is usually a point distribution mode, and when the number of the single-point settlement measuring devices 21 is more than one, the distance between every two single-point settlement measuring devices 21 is usually more than or equal to 5 m. Suitable devices that can be used as single-point settlement measuring devices 21 and the manner in which they are arranged should be known to the person skilled in the art. For example, the single-point settlement measuring device 21 may be an optical signal sensor or the like in general, specifically, a settlement meter or the like, and more specifically, a single-point settlement meter (NZS-FBG-DS (1)) or the like of nazhi sensing technology ltd. For another example, the single-point settlement measuring device 21 may be arranged in a drilling manner, the drilling depth is usually greater than the depth of the supporting layer, and the specific arrangement manner may be: drilling a hole on a foundation working surface to a bearing stratum, then placing a fixed single-point settlement measuring device 21, a steel wire rope, a guide hammer and the like into the drilled hole, carrying the single-point settlement measuring device 21 into the hole under the self gravity of the guide hammer, backfilling the drilled hole after the single-point settlement measuring device 21 is installed, backfilling cement mortar at the bottom (for example, 60cm +/-4 cm) and at the head (for example, 30cm +/-2 cm), and backfilling the rest space after micro-expansive soil balls and fine sand are mixed.

The utility model provides an among the intelligent runway, can include the layering settlement measuring device 22, the layering settlement measuring device 22 can be used for monitoring the absolute value of subsiding of the different levels that the required monitoring of airport runway body 1 single-point (for example, the single-point that the single-point subsides measuring device 21 monitored) corresponds on the direction of gravity. The layered settlement measuring devices 22 can be located in the foundation 13, the number of the layered settlement measuring devices 22 is usually a plurality, and the layered settlement measuring devices 22 are usually uniformly distributed in the gravity direction of the single-point settlement measuring device 21, and the distance between the layered settlement measuring devices 22 is usually larger than or equal to 5 m. Suitable devices and arrangements thereof that can be used as the stratified sedimentation measurement apparatus 22 will be known to those skilled in the art. For example, the layered settlement measuring device 22 may be an optical signal sensor or the like in general, specifically, a settlement meter or the like, and more specifically, a layered settlement meter (NZS-FBG-DPG) or the like of nazhi sensing technology ltd, su. For another example, the layered settlement measuring device 22 may be arranged in the following manner: drilling a hole on a foundation working surface to a bearing stratum, then placing a fixed layered settlement measuring device 22, a steel wire rope, a guide hammer and the like into the drilled hole, carrying the layered settlement measuring device 22 into the hole under the self gravity of the guide hammer, backfilling the drilled hole after the installation of the layered settlement measuring device 22 is finished, backfilling the bottom (for example, 60cm +/-4 cm) and the head (for example, 30cm +/-2 cm) by using cement mortar, and backfilling the rest space after mixing micro-expansive soil balls and fine sand soil.

The utility model provides an among the intelligent runway, can include pressure differential settlement measuring device 23, pressure differential settlement measuring device 23 can be used for monitoring the relative value of subsiding between the each point on the 1 horizontal direction of airport runway body (for example, subside the relative value of subsiding of the single-point that measuring device 21 monitored for the single-point). The differential pressure settlement measuring devices 23 can be located in the foundation 13 layer, the number of the differential pressure settlement measuring devices 23 is usually a plurality, and the differential pressure settlement measuring devices 23 can be generally uniformly distributed along the extension direction of the airfield runway body 1, and the distance between the differential pressure settlement measuring devices 23 can be 5 m-40 m. Suitable devices and arrangements thereof that can serve as differential pressure sedimentation measuring devices 23 will be known to those skilled in the art. For example, the differential pressure sedimentation measurement device 23 may be an optical signal sensor or the like in general, specifically, a sedimentation meter or the like, and more specifically, an intelligent sedimentation meter (NZS-FBG-HD) or the like of nazhi sensing technology ltd, su. For another example, the differential pressure sedimentation measurement device 23 may be arranged in the following manner: a groove (for example, the width is more than or equal to 60cm, and the depth is more than or equal to 68cm) is formed in the working surface of the foundation, after the differential pressure settlement measuring device 23 is arranged, auxiliary equipment (for example, a communication optical fiber, a main water pipe, a vent pipe and the like) of the differential pressure settlement measuring device 23 is led into a protection pipe, a liquid storage tank is fixed to the bottom of the groove by adopting C15 cement concrete at the position of the liquid storage tank, anti-freezing liquid is injected into the liquid storage tank, and air and bubbles in the main water pipe are removed; the water replenishing pipe, the vent pipe and the communication optical fiber of the differential pressure settlement measuring device 23 are led out from the waterproof interface above the side face of the liquid storage tank, and then geotextile is used for wrapping fine sand for protection, the thickness of a fine sand layer can be 20cm +/-2 cm, and concrete (for example, C15 concrete) is filled on the top face of the lower base layer.

The utility model provides an among the intelligent runway, can include ground local strain monitoring devices 24, ground local strain monitoring devices 24 can be used for monitoring ground local strain distribution situation. The foundation local strain monitoring device 24 is located in the layer of the foundation 13, the extending direction of the foundation local strain monitoring device 24 is generally matched with the extending direction of the differential pressure settlement measuring device 23, namely the foundation local strain monitoring device 24 and the differential pressure settlement measuring device 23 can be distributed along the extending direction of the airfield runway body 1, and the foundation local strain monitoring device 24 and the differential pressure settlement measuring device 23 are generally closer to each other. The ground-based local strain monitoring device 24 may be generally an optical signal sensor, and may specifically be an optical cable or the like. The ground local strain monitoring device 24 may generally include a temperature compensation optical cable and a metal-based cable, where the extending direction of the temperature compensation optical cable and the metal-based cable is generally consistent with the extending direction of the differential pressure settlement measuring device 23, and the metal-based cable is linearly extended (the linear extension generally means that the metal-based cable can apply a certain pre-stress to both ends of the optical fiber when being buried, so that the optical fiber is in a stretched state, so that the optical fiber can be linearly extended in the roadbed layer 12), so as to achieve effective sensing of the micro-gravity direction deformation, the temperature compensation optical cable is non-linearly extended (the non-linear extension generally means that the temperature compensation optical cable is in a relaxed non-stretched state when being buried (for example, in an airport pavement 1 with a unit width, the length of the temperature compensation optical cable may be 1.05 to 1.20 times as long as the length of the metal-based cable), so that the temperature compensation optical cable can be non-linearly extended in the roadbed layer 12), the temperature compensation optical cable in the relaxed state does not sense the micro vertical deformation, only the strain amount caused by the temperature change is measured, and the measured optical fiber strain amount can be used for correcting the optical fiber strain amount obtained by the measurement of the linearly extended metal-based cable-shaped optical cable. The distance between the foundation local strain monitoring device 24 and the differential pressure settlement measuring device 23 is usually not too large, for example, the maximum distance is usually not more than 60cm, preferably not more than 30cm, and specifically may be 5-30 cm, 5-10 cm, 10-15 cm, 15-20 cm, 20-25 cm, or 25-30 cm, the distance between the temperature compensation optical cable and the metal-based cable-like optical cable may usually be not more than 5cm, not more than 1cm, 1-2 cm, 2-3 cm, 3-4 cm, or 4-5 cm, so that they may be integrally matched, and on the premise that the extending directions are consistent, the corresponding portions may perform data measurement for the same measuring area, and ensure the reliability of data. The arrangement mode of the foundation local strain monitoring device 24 can be as follows: and (3) grooving the working surface of the foundation, leading the communication optical fiber out of the road shoulder after the foundation local strain monitoring device 24 is arranged, wrapping fine sand by geotextile for protection, and filling concrete to the top surface of the lower base layer.

The utility model provides an among the intelligent track, can include humidity measuring device 25, humidity measuring device 25 can be used for monitoring ground soil body humidity. The humidity measuring devices 25 may be located in the foundation 13, and the number of the humidity measuring devices 25 may be one or more, and the distribution mode is usually a point distribution, when the number of the humidity measuring devices 25 is plural, the distance between the humidity measuring devices 25 is usually larger than or equal to 10 m. Suitable devices and arrangements thereof that can serve as the moisture measuring device 25 will be known to those skilled in the art. For example, the humidity measuring device 25 may be an electric signal sensor or the like, and may be a hygrometer or the like, and more specifically, may be a hygrometer (5TM) or the like of the hokyo high-tech co. For another example, the humidity measuring device 25 may be arranged in the following manner: and (3) forming a groove on the working surface of the foundation, inserting the humidity measuring device 25 into the side wall of the groove, leading the communication cable out of the road shoulder, wrapping fine sand by geotextile for protection, and filling concrete to the top surface of the lower base layer.

The utility model provides an among the intelligent runway, can include matrix suction measuring device 26, matrix suction measuring device 26 can be used for monitoring ground soil body matrix suction. The substrate suction measuring devices 26 may be located in the foundation 13 layer, the number of the substrate suction measuring devices 26 may be one or more, the distribution is usually a point distribution, and when the number of the substrate suction measuring devices 26 is plural, the distance between the substrate suction measuring devices 26 is usually more than or equal to 10 m. Suitable devices and arrangements thereof that can serve as the substrate suction measuring device 26 will be known to those skilled in the art. For example, the substrate suction measuring device 26 may be generally an electrical signal sensor or the like, and may specifically be a substrate suction meter or the like, and more specifically may be a substrate suction meter (MPS-6) or the like of the tokyo hitachi technologies ltd. For another example, the substrate suction measuring device 26 may be arranged in the following manner: the working surface of the foundation is provided with a groove, the matrix suction measuring device 26 is inserted into the side wall of the groove, the communication cable is led out of the road shoulder, geotextile is used for wrapping fine sand for protection, and concrete is filled to the top surface of the lower base layer.

The utility model provides an among the intelligent runway, can include basic unit's surface point formula pressure-bearing monitoring devices 31, basic unit's surface point formula pressure-bearing monitoring devices 31 can be used for monitoring the pressure value (upper substrate surface position) of guidance tape 11 to basic unit 12. The base layer surface point type pressure-bearing monitoring devices 31 can be positioned in the base layer 12, the number of the base layer surface point type pressure-bearing monitoring devices 31 is one or more, the distribution mode is usually point type distribution, and when the number of the base layer surface point type pressure-bearing monitoring devices 31 is more than one, the distance between the base layer surface point type pressure-bearing monitoring devices 31 is usually more than or equal to 0.2 m. Suitable means for providing a substrate surface point-load monitoring device 31 and the manner of its deployment will be known to those skilled in the art. For example, the base layer surface point pressure-bearing monitoring device 31 may be an optical signal sensor, and may be an earth pressure cell, and more specifically an earth pressure cell (NZS-FBG-EPC) of nanzhi sensing technology ltd. For another example, the layout of the base layer surface point pressure-bearing monitoring device 31 may be as follows: after the construction of the upper base layer is finished, the base layer surface point type pressure-bearing monitoring device 31 is arranged in the groove, and the communication optical fiber is led out of the road shoulder.

The utility model provides an among the intelligent runway, can include basic unit's surface distributing type pressure-bearing monitoring devices 32, basic unit's surface distributing type pressure-bearing monitoring devices 32 can be used for monitoring the pressure value (the position between upper base layer and the lower basic unit) of guidance tape board 11 to basic unit 12. The distributed pressure-bearing monitoring devices 32 on the surface of the base layer can be positioned in the base layer 12, and the distribution mode can be that the pressure-bearing monitoring devices are uniformly distributed along the extending direction of the airfield runway body 1 and the direction perpendicular to the extending direction of the airfield runway body 1. Suitable devices and arrangements thereof that can serve as the distributed pressure bearing monitoring device 32 of the substrate surface will be known to those skilled in the art. For example, the substrate surface distributed pressure-bearing monitoring device 32 may be an optical signal sensor or the like, and specifically may be a pressure sensing element or the like, and more specifically may be a pressure sensing element of the gakah sensor technology limited (B609D) or the like. For another example, the distributed pressure-bearing monitoring device 32 on the surface of the base layer may be arranged in the following manner: before the construction of the upper base layer, a plurality of steel plates with proper sizes are placed in the area where the sensors are arranged for occupying the installation space of the sensors, and after the construction of the upper base layer is finished, the distributed pressure-bearing monitoring devices 32 on the surface of the base layer are arranged in the grooves where the steel plates are located, so that the communication optical fibers are led out of the road shoulders.

The utility model provides an among the intelligent runway, can include the inside monitoring devices that meets an emergency 33 of pavement, the inside monitoring devices that meets an emergency 33 of pavement can be used for monitoring the inside strain numerical value of pavement structure. The pavement internal strain monitoring devices 33 may be located in the layer of the pavement slab 11, the number of the pavement internal strain monitoring devices 33 may be one or more, the distribution is usually a point distribution, and when the number of the pavement internal strain monitoring devices 33 is plural, the distance between the pavement internal strain monitoring devices 33 is usually greater than or equal to 0.5 m. Suitable means for providing the intraroad strain monitoring device 33 and the manner in which it is deployed will be known to those skilled in the art. For example, the runway interior strain monitoring device 33 may be an optical signal sensor or the like in general, specifically, a strain sensor or the like, and more specifically, a strain gauge (BA-OFS15E) of the gakah sensor technology ltd. For another example, the arrangement of the road surface internal strain monitoring device 33 may be: after the construction of the upper base layer is finished, the road surface internal strain monitoring device 33 to be laid is bound on the steel bar support, the steel bar support is arranged on the top surface of the base layer in a drilling mode, and communication optical fibers are led out of the road shoulder before the road surface plate is poured.

The utility model provides an among the intelligent runway, can include inside temperature monitoring device 34 of road surface, inside temperature monitoring device 34 of road surface can be used for monitoring the inside temperature of road surface structure. The pavement internal temperature monitoring devices 34 may be located in the layer of the pavement slab 11, the number of the pavement internal temperature monitoring devices 34 may be one or more, the distribution mode is usually a point distribution, when the number of the pavement internal temperature monitoring devices 34 is multiple, the horizontal distance between the pavement internal temperature monitoring devices 34 is usually more than or equal to 5cm, and the vertical distance is usually more than or equal to 5 cm. Suitable means for serving as the intra-road surface temperature monitoring device 34 and the manner of its deployment will be known to those skilled in the art. For example, the road surface internal temperature monitoring device 34 may be an optical signal sensor or the like, specifically, a temperature sensor or the like, and more specifically, a temperature sensor (BA-OFT10) of the gakayama sensor technology ltd. For another example, the arrangement of the road surface internal temperature monitoring device 34 may be: binding the pavement internal temperature monitoring device 34 to be laid on the steel bar support after the construction of the upper base layer is finished; and a steel bar support is arranged on the top surface of the base layer in a drilling mode, and the communication optical fiber is led out of the road shoulder before the road surface plate is poured.

The utility model provides an among the intelligent runway, can include pavement instantaneous deflection monitoring devices 35, pavement instantaneous deflection monitoring devices 35 can be used for monitoring the instantaneous deflection numerical value of pavement structure. The instant pavement deflection monitoring devices 35 can be located in the layer of the pavement slab 11, the number of the instant pavement deflection monitoring devices 35 can be one or more, the distribution mode is usually a point distribution, and when the number of the instant pavement deflection monitoring devices 35 is more, the distance between the instant pavement deflection monitoring devices 35 is usually more than or equal to 0.5 m. Suitable means for acting as transient road surface deflection monitoring means 35 and their arrangement will be known to those skilled in the art. For example, the transient road surface deflection monitoring device 35 may be a light signal sensor, and the like, and specifically may be an acceleration sensor, and the like, and more specifically may be an accelerometer (BA-MA10) of kayah sensor technologies, inc. For another example, the arrangement of the road surface instantaneous deflection monitoring device 35 may be: after the construction of the upper base layer is finished, the road surface instantaneous deflection monitoring device 35 to be laid is bound on the reinforcing steel bar support, the reinforcing steel bar support is installed on the top surface of the base layer in a drilling mode, and communication optical fibers are led out of the road shoulder before the road surface plate is poured.

The utility model provides an among the intelligent runway, can include aircraft wheel tracking monitoring devices 36, aircraft wheel tracking monitoring devices 36 can be used for monitoring the transverse distribution of aircraft wheel tracking. The aircraft footprint monitoring device 36 may be located at the edge of the airport runway body 1. Suitable devices and arrangements for use as aircraft footprint monitoring devices 36 will be known to those skilled in the art. For example, the aircraft track monitoring device 36 may be an optical signal sensor or the like, and specifically may be a laser track gauge or the like, and more specifically may be a laser track gauge (BA-MDD500) of kayah sensor technologies ltd. For another example, the layout of the aircraft footprint monitoring device 36 may be: a concrete fixing table or a hardened ground is arranged at the arrangement point, the height of the concrete fixing table or the hardened ground can be about 60cm higher than the pavement, the airplane wheel track monitoring device 36 is fixed on the earth surface outside the pavement, a cable (the input voltage can be AC220V) is connected from the sliding table, and the airplane wheel track monitoring device 36 is powered through a transformer (the output voltage can be DC12V and the power is 5W) beside the sensor.

The utility model provides an among the intelligent runway, can include pavement water film monitoring devices 37, pavement water film monitoring devices 37 can be used for monitoring the pavement water film condition of covering. The pavement water film monitoring devices 37 can be positioned in the layer of the pavement slab 11, the number of the pavement water film monitoring devices 37 can be one or more, the distribution mode is usually a point distribution, and when the number of the pavement water film monitoring devices 37 is more than one, the distance between the pavement water film monitoring devices 37 is usually more than or equal to 0.5 m. Suitable devices and arrangements thereof that can serve as the road surface water film monitoring device 37 will be known to those skilled in the art. For example, the pavement water film monitoring device 37 may be an optical signal sensor or the like in general, specifically a water film thickness sensor or the like, and more specifically a water film thickness sensor (BA-FPP25) of shanghai kayao sensing technology ltd. For another example, the pavement water film monitoring device 37 may be arranged in the following manner: and packaging by using the navigation aid lamp, and arranging the road surface water film monitoring device 37 according to the installation mode of the navigation aid lamp.

The utility model provides an among the intelligent runway, can cover monitoring devices 38 including pavement ice and snow, pavement ice and snow covers monitoring devices 38 and can be used for monitoring the pavement ice and snow and cover the condition. The snow and ice monitoring devices 38 may be located in the layer of the pavement slab 11, and the number of the snow and ice monitoring devices 38 may be one or more, and the distribution is usually a point distribution, and when the snow and ice monitoring devices 38 are plural, the distance between the snow and ice monitoring devices 38 is usually greater than or equal to 0.5 m. Suitable means for acting as the snow and ice cover monitoring device 38 and the manner of its deployment will be known to those skilled in the art. For example, the device 38 for monitoring snow and ice on the road surface may be an optical signal sensor, and may be an ice and snow sensor, and more specifically may be a road surface sensor (DRS511) of finnwisala (Vaisala). For another example, the pavement ice and snow coverage monitoring device 38 may be disposed in a manner that: and packaging by using the navigation aid lamp, and arranging the road surface ice and snow coverage monitoring device 38 according to the installation mode of the navigation aid lamp.

The utility model provides an among the intelligent track, can include data storage module 4 to be used for the storage ground to subside perception module 2 and the data that the acquisition was collected to road surface property perception module 3. And data analysis can be carried out on data collected by the foundation settlement sensing module 2 and the pavement character sensing module 3. For example, the ground settlement data storage device 41 may provide the ground settlement data of the entire road surface according to the single-point settlement data, the layered settlement data, the differential pressure settlement data, and the ground local strain data. As another example, the ground moisture content data storage device 42 may provide soil-water relationships based on the moisture data and the matrix suction data. For another example, the plate bottom contact condition data storage device 43 may provide a plate bottom empty state based on the base layer surface pressure data and the base layer middle pressure data. As another example, the mechanical response data storage device 44 may provide a mechanical response of the roadway structure based on the roadway internal strain data, the roadway internal temperature data, the roadway instantaneous deflection data, and the aircraft wheeltrack data. For another example, the road surface wet and slippery state data storage device 45 may provide the road surface wet and slippery state based on the road surface water film data and the road surface ice and snow coverage data.

The utility model provides an among the intelligence runway, data storage module 4 or each part wherein (for example, ground subsides data storage device 41, ground moisture content data storage device 42, contact condition data storage device 43, pavement mechanics response data storage device 44 and pavement wet and slippery state data storage device 45) can be singlechip, computer and so on. Suitable methods of connecting the components of the data storage module 4 to the components of the foundation settlement sensing module 2 and the road surface property sensing module 3 will be known to those skilled in the art. For example, the ground settlement data storage device 41 may be in signal connection with the single-point settlement measurement device 21, the layered settlement measurement device 22, the differential settlement measurement device 23, and the ground local strain monitoring device 24 through a branch optical cable and a main optical fiber cable, where the branch optical cable is generally a single-core armored optical cable or an armored optical cable with no more than 8 cores and is used for transmitting data of the optical signal sensor, one end of the branch optical cable is connected with the optical signal sensor, the other end of the branch optical cable extends to the cable well via the road shoulder and the soil surface area and is welded to the main optical fiber cable, the main optical fiber cable is generally a 4-core to 64-core main optical fiber armored optical cable and is used for collecting and transmitting data of the optical signal sensor, one end of the branch optical cable is connected, and the other end of the branch optical cable extends to the data storage module 4 via the cable bank. For another example, the ground moisture content data storage device 42 may be in signal connection with the humidity measuring device 25 and the matrix suction measuring device 26 through a multi-core cable and a wireless transmission device, the multi-core cable is typically a 3-core to 6-core cable for transmitting data of the electrical signal sensor, one end of the multi-core cable is connected to the electrical signal sensor, and the other end of the multi-core cable is connected to the wireless transmission device, so that a signal connection can be formed between the multi-core cable and the data storage module 4. For another example, the plate bottom contact condition data storage device 43 may be in signal connection with the base layer surface point pressure-bearing monitoring device 31 and the base layer surface distributed pressure-bearing monitoring device 32 through a branch optical cable and a fiber main cable, respectively. For another example, the runway mechanical response data storage device 44 may be in signal connection with the runway internal strain monitoring device 33, the runway internal temperature monitoring device 34, the runway instantaneous deflection monitoring device 35 and the aircraft wheel tracking monitoring device 36 through the branch optical cable and the optical fiber main cable, respectively. For another example, the road surface wet and slippery state data storage device 45 may be in signal connection with the road surface water film monitoring device 37 and the road surface ice and snow coverage monitoring device 38 through a branch optical cable and a main optical fiber cable, respectively.

The utility model provides an among the intelligent runway, can also include risk evaluation module 5, risk evaluation module 5 can include: and the foundation settlement risk evaluation device 51 is used for evaluating the foundation settlement risk according to the foundation settlement data and the soil-water relationship of the whole road surface. The foundation settlement risk evaluation module 51 may be in signal connection with the foundation settlement data storage device 41 and the foundation moisture content data storage device 42. The foundation settlement risk evaluating device 51 may be a single chip microcomputer, a computer, or the like. By inputting the monitoring data of the foundation settlement sensing module 2, the evaluation on the foundation settlement risk can be output according to the existing specifications and standards (for example, the content of section 4.2 of civil airport geotechnical engineering design specifications (MHT 5027-2013)), and the like.

The utility model provides an among the intelligent runway, can also include risk evaluation module 5, risk evaluation module 5 can include: and the plate bottom void risk evaluation device 52 is used for evaluating the plate bottom void risk according to the plate bottom void state. The plate bottom void risk evaluation module 52 may be in signal connection with the plate bottom contact condition data storage device 43. The plate bottom void risk evaluation device 52 may be a single chip microcomputer, a computer, or the like. By inputting the monitoring data of the surface point type pressure-bearing monitoring device 31 and the surface distributed pressure-bearing monitoring device 32, the evaluation of the plate bottom void risk can be output according to the existing specifications and standards (for example, the content of section 7.4 of civil airport pavement evaluation management technical specification (MH/T5024-2019)).

The utility model provides an among the intelligent runway, can also include risk evaluation module 5, risk evaluation module 5 can include: and a road surface fracture risk evaluation device 53 for evaluating a road surface fracture risk according to the mechanical response of the road surface structure. The pavement fracture risk assessment module 53 may be in signal communication with the pavement mechanical response data storage device 44. The road surface fracture risk evaluation device 53 may be a single chip microcomputer, a computer, or the like. The evaluation of the fracture risk of the road surface can be output according to the existing specifications and standards (for example, civil airport road surface evaluation management technical specification (MH/T5024-2019), section 7.4, appendix D and the like) by inputting the monitoring data of the road surface internal strain monitoring device 33, the road surface internal temperature monitoring device 34, the road surface instantaneous deflection monitoring device 35 and the airplane wheel track monitoring device 37.

The utility model provides an among the intelligent runway, can also include risk evaluation module 5, risk evaluation module 5 can include: and the aircraft aquaplaning risk evaluation device 54 is used for evaluating the aircraft aquaplaning risk according to the wet and slippery state of the road surface. The aircraft aquaplaning risk assessment module may be in signal connection with the road surface slippery state data storage device 45. The aircraft aquaplaning risk assessment device 54 may be a single chip microcomputer, a computer, or the like. By inputting the monitoring data of the water film monitoring device 37 and the ice and snow covering monitoring device 38, the evaluation of the water slide risk of the airplane can be output according to the existing specifications and standards (for example, the technical standards (MH5001-2013) of the civil airport flight area).

The utility model discloses the second aspect provides an airport pavement information monitoring method, through the utility model discloses the intelligent runway that the first aspect provided monitors airport pavement information. The method specifically comprises the following steps:

7) and providing a wet and slippery state of the road surface according to the water film data and the ice and snow covering data of the road surface. As described above, through the intelligent runway, single-point settlement data, layered settlement data, differential pressure settlement data, foundation local strain data, humidity data and matrix suction data can be provided through the foundation settlement sensing module 2, can provide base layer surface bearing data, base layer middle bearing data, road surface internal strain data, road surface internal temperature data, road surface instantaneous deflection data, airplane wheel track data, road surface water film data and road surface ice and snow covering data through the road surface character sensing module 3, and may deliver the relevant data to the data storage module 4 for further analysis, the method can realize real-time monitoring and timely decision-making of foundation settlement risk, plate bottom void risk, pavement fracture risk and airplane water slide risk, can give early warning in time when accident symptoms occur, and can actively determine maintenance management and maintenance schemes.

The utility model provides an airport pavement information monitoring method can include: providing single point settlement data, layered settlement data, differential pressure settlement data, foundation local strain data, humidity data and matrix suction data. The single-point settlement data is the absolute settlement value of the single point to be monitored of the airfield runway body 1. The layered settlement data is absolute settlement values of different layers corresponding to a single point (for example, a single point monitored by the single point settlement measuring device 21) to be monitored by the airport runway body 1 in the gravity direction, the differential pressure settlement data is relative settlement values between points in the horizontal direction of the airport runway body 1 (for example, relative settlement values of the single point monitored by the single point settlement measuring device 21), the foundation local strain data is a measurement result of the foundation local strain distribution condition, the humidity data is a specific measurement result of the foundation soil humidity, and the matrix suction data is a specific measurement result of the foundation soil matrix suction.

The utility model provides an airport pavement information monitoring method can include: providing base layer surface bearing data, base layer middle part bearing data, road surface internal strain data, road surface internal temperature data, road surface instantaneous deflection data, airplane wheel track data, road surface water film data and road surface ice and snow covering data. The pressure value (upper base layer surface position) of basic unit surface bearing data namely guidance tape 11 to basic unit 12, basic unit middle part bearing data namely guidance tape 11 is to the pressure value (position between upper base layer and the lower base layer) of basic unit 12, the inside strain data of road surface is the inside strain numerical value of road surface structure, the inside temperature data of road surface is the inside temperature of road surface structure, the instant deflection data of road surface is the instant deflection numerical value of road surface structure, the aircraft wheel trace data namely the horizontal distribution result of the aircraft wheel trace, the road surface water film data namely the road surface water film covering condition, the road surface ice and snow covering data namely monitoring road surface ice and snow covering condition.

The utility model provides an airport pavement information monitoring method can include: and providing foundation settlement data of the whole pavement according to the single-point settlement data, the layered settlement data, the differential pressure settlement data and the foundation local strain data. By combining the single-point absolute settlement data (e.g., data provided by the single-point settlement measuring device 21 and the stratified settlement measuring device 22) with the multiple-point relative settlement data (e.g., data provided by the differential pressure settlement measuring device 23), the multiple-point absolute settlement data (e.g., the point where each differential pressure settlement measuring device 23 is located) can be obtained, and the ground settlement condition of the whole runway can be obtained by assisting the monitoring of the ground local strain monitoring device 24. The utility model discloses a concrete embodiment, the concrete method that provides the ground settlement data of full road surface specifically is as follows: based on the data of the single-point settlement measuring device 21 and the layered settlement measuring devices 22, the absolute settlement of a plurality of points (for example, the positions of the single-point settlement measuring device 21 and the positions of the layered settlement measuring devices 22) can be calculated; based on the differential pressure settlement measuring device 23 and the foundation local strain monitoring device 24, the global relative settlement can be calculated; and combining the data of the two methods to obtain global absolute settlement.

In the above airport pavement information monitoring method, the method for calculating global absolute settlement may include:

according to the monitoring result epsilon (x) of the foundation local strain monitoring device 24, the estimated actual strain is obtained by calculation of the formula (1)

Wherein the content of the first and second substances,

is the average strain, i.e., the average of each ε (x);

epsilon (x) is the difference value of the strain capacity of the metal-based cable-shaped optical cable and the strain capacity of the temperature compensation optical cable, epsilon (x) is the actual strain measurement result of the optical fiber, wherein the strain capacity of the optical fiber caused by temperature change is removed, x belongs to [0, l ], and l is the length of the optical fiber of the test section;

alpha is a strain reduction coefficient and represents the relaxation degree of the optical fiber;

beta is a standard deviation coefficient and represents the redistribution of the internal strain of the optical fiber;

determining the maximum sedimentation position according to equation (2), where the zero point x of the function y (x) is x₀I.e. the maximum sedimentation position, since for the maximum sedimentation position x₀The amount of strain is 0 to x₀And x₀The values obtained by integration in the two sections should be substantially the same:

wherein the content of the first and second substances,

if a certain point on the optical fiber is vertically displaced, as shown in fig. 3, the position coordinate of the point A is set as x, the infinitesimal dx on the optical fiber is taken, the original optical fiber AB section is deformed into the section A 'B', and therefore, according to the pythagorean theorem and the strain definition, the vertical displacement y (x) of each point is the vertical displacement y (x) of each point

The integral from the end point to the point is settled according to the most unfavorable condition, and the formula (3) and the formula (4) can be obtained in a unidirectional deformation area;

obtaining the estimated displacement by calculation according to the formula (5)

Estimate displacement

The relative settlement of each point of the airport pavement base in the extension direction of the airport pavement base settlement monitoring system can be represented.

In the above calculation method, α is related to the property of the optical fiber itself and the state, and the value of α of the optical fiber used can be generally obtained by a preliminary experiment measurement. The strain reduction coefficient alpha can be calculated by the total elongation delta l of the optical fiber based on the measured data_εThe ratio of the total elongation Δ l of the optical fiber to the actual total elongation Δ l of the optical fiber is measured, and thus the degree of relaxation of the optical fiber can be characterized. The optical fiber cable used in the monitoring system can be fixed at two ends in a laboratory in advance, suspended in the middle and exerted with known deformation, and the measurement of the optical fiber is carried out by a BOTDR distributed sensor connected with the optical fiberThe strain amount is calculated according to the strain amount to obtain the total elongation delta l of the optical fiber_εMeanwhile, the actual total elongation delta l of the optical fiber is monitored, so that the strain reduction coefficient alpha of the optical fiber is calculated and obtained. Then, in calculation of the concrete engineering monitoring, the value of the strain reduction coefficient α may be used. The strain reduction coefficient alpha can be generally 0.9-1.0, 0.9-0.92, 0.92-0.94, 0.94-0.96, 0.96-0.98, or 0.98-1.0.

In the above calculation method, β is related to the property of the optical fiber itself and the state, and the value of β of the optical fiber used can be generally obtained by a preliminary experiment measurement. The standard deviation coefficient β is calculated by equation (6):

the two ends of the optical cable used in the monitoring system can be fixed in a laboratory in advance, the middle of the optical cable is suspended, known deformation is applied to the optical cable, the strain quantity of the optical fiber is measured through a BOTDR distributed sensor connected with the optical fiber, and the beta value which enables the minimum deformation error obtained through calculation is selected as the beta value of the optical fiber according to the formula (3). Then, in the calculation of the concrete engineering monitoring, the beta value can be used. The value of the standard deviation coefficient beta can be usually 0.2-1.0, 0.2-0.4, 0.4-0.6, 0.6-0.8, or 0.8-1.0.

Further, the integral settlement distance of the airport pavement can be obtained according to the sum of the relative settlement distance and the absolute settlement distance. The relative settlement distance, i.e. the relative settlement distance of a measurement point in the airport runway foundation relative to the airport runway foundation itself, can be based on the estimated displacement as described above

And calculating to obtain the settlement distance of the measuring point relative to the original pavement actually by adding the settlement distance of the airport pavement itself to the relative settlement distance of the obtained measuring point relative to the airport pavement itself. The settlement distance of the whole of each position of the airport pavement base can be obtained by measuring through a single-point settlement measuring instrument and a whole settlement measuring instrument. For example, measurement can be by single point sedimentationThe settlement distance of the airport pavement base per se of a specific measuring point is obtained by the instrument, and the relative difference value of each position on the airport pavement base per se relative to the specific measuring point can be obtained according to the integral settlement measuring instrument, so that the settlement distance of each position on the airport pavement base per se, namely the overall absolute settlement, is determined.

The risk of foundation settlement can then be evaluated according to existing specifications and standards (e.g. civil airport geotechnical engineering design specifications (MHT 5027-.

In an embodiment of the present invention, a metal-based cable-shaped optical cable (the suzhou south intelligence supply, model NZS-DTS-C08) is used to monitor the road-based soil settlement distribution, a high-strength steel wire armored optical cable (the suzhou south intelligence supply, model NZS-DTS-C08) is used to compensate the temperature variation, and as a temperature compensation optical cable, the high-precision intelligent settlement gauge is used to assist in monitoring and calibrating data, the single-point settlement gauge is used as the single-point settlement measuring device 21, the suzhou south intelligence supply is used, the model is NZS-FBG-DS (1), the intelligent settlement gauge is used as the differential settlement measuring device 23 (i.e., the integral settlement measuring device) and the model is NZS-FBG-HD.

Firstly, a calibration test is started, and the correlation between the optical fiber strain and the vertical displacement position is analyzed through an FTB 2505 type distributed optical fiber demodulator: (1) fixing the deformation applying position and adjusting the deformation amount; (2) the deformation amount is fixed, and the deformation applying position is adjusted. And (4) referring to an analytical relation schematic of the fiber strain and the vertical displacement based on a calibration test in other certification documents. The result is intuitively analyzed, and the larger the total deformation length of the optical fiber is, the larger the optical fiber strain is, and the engineering experience is met. Substituting the test result epsilon (x) and the calibration parameter

According to the operator S:

the back-calculated settlings are shown in the other documents of evidence, respectively. It can be seen that the relative error between the analysis value of the deformation amount and the optical fiber length is less than 0.5%, and the engineering feasibility and the applicability are good.

When the distributed optical fiber is buried in the field slot, the roadbed is filled to a specified elevation, the field is leveled and cleaned, and hard objects such as massive gravels, plant roots and the like are dug out. And paving a layer of fine sand with the thickness of about 5cm at the bottom of the groove, straightening and tightening the distributed optical fiber, sleeving a corrugated pipe for protection, backfilling the fine sand with the thickness of 40cm, backfilling original soil for removing broken stones on the fine sand, and detecting the access and analysis conditions of the optical fiber. The distribution length of the distributed optical fibers is determined according to actual needs, the distributed optical fibers can generally cover the whole airport runway range, the length of one distributed optical fiber is 2000-6000 m, and the specific length in the embodiment is 5000 m. The method is characterized in that calibration precision and engineering cost are considered, a single-point settlement measuring instrument or an integral settlement measuring instrument is generally arranged at intervals of 20-40 m, the laying scheme in the embodiment is that the single-point settlement measuring instrument or the integral settlement measuring instrument is arranged at intervals of 15m, the distance between the single-point settlement measuring instrument or the integral settlement measuring instrument and a distributed optical fiber of a corresponding point position is not more than 30cm, the distance between a temperature compensation optical cable and a metal-based cable-shaped optical cable is not more than 5cm, and the end parts of the temperature compensation optical cable and the metal-based cable-shaped optical cable are connected into an optical fiber demodulator.

And subtracting the strain data of the high-strength steel wire armored optical cable at the same position from the strain data of the metal-based cable-shaped optical cable to obtain roadbed settlement monitoring data after temperature compensation and refer to other certification documents. According to the strain conditions of the distributed optical fibers at each monitoring point shown by the monitoring data, by utilizing the airport roadbed settlement monitoring method based on distributed optical fiber burying, the vertical deformation (namely settlement) of the soil foundations at the monitoring points can be obtained through the transverse strain calculation of the distributed optical fibers, the obtained roadbed soil body settlement distribution condition is the relative settlement between the monitoring points of the distributed optical fibers, and the interval of the measuring points on the black line is 0.04m according to the monitoring data and the correction result of roadbed settlement in other certification documents. According to the measurement data of the high-precision integral settlement measuring instrument 23 and the single-point settlement measuring instrument 24, as shown by blue points, the absolute settlement is 29.2312mm, 23.0720mm, 16.6855mm and 10.4307mm from left to right respectively, and the monitoring data of the distributed optical fiber at the corresponding position is calibrated; and then according to the relative settlement among the monitoring point positions of the distributed optical fiber, the real settlement conditions of all roadbed soil bodies in the coverage area covered by the distributed optical fiber can be obtained, and the differential settlement among different areas of the runway is calculated as shown by a red line. Taking the monitoring data of 2018.10.26 in the roadbed settlement monitoring data as an example, the relative settlement obtained by calculation of the distributed optical fiber strain data and the real settlement corrected by the data of the single-point/integral settlement measuring instrument refer to the monitoring data and the corrected result of the roadbed settlement in other certification documents.

The utility model provides an airport pavement information monitoring method can include: and providing soil-water relationship according to the humidity data and the matrix suction data. According to the humidity data and the matrix suction data, the water content characteristics of the foundation soil can be obtained to provide a soil-water relationship, for example, a soil-water characteristic curve, namely a relationship curve of the soil water content and the soil matrix suction, can be drawn, and can be used for analyzing the settlement reason.

The utility model provides an airport pavement information monitoring method can include: and providing a plate bottom void state according to the surface pressure-bearing data of the base layer and the middle pressure-bearing data of the base layer. According to the pressure-bearing data of the surface of the base layer, the pressure-bearing data of the middle part of the base layer and the change of the sensor data, whether the plate bottom is empty or not can be qualitatively judged, so that the empty state of the plate bottom is determined, and the specific judgment standard can refer to Zhang Dang Ying, hong dynasty, Wu Wei, Chen Hua and Ling Jiang.

The utility model provides an airport pavement information monitoring method can include: and providing mechanical response of the pavement structure according to the pavement internal strain data, the pavement internal temperature data, the pavement instantaneous deflection data and the airplane wheel trace data. According to the strain data inside the pavement, the temperature data inside the pavement, the instantaneous deflection data of the pavement and the wheel trace data of the airplane, based on the existing mechanical model, the mechanical response result of the pavement structure can be obtained, and the specific mechanical model can refer to the dynamic response research [ D ] of the thin plate on the Yankezhen elastic foundation, Hangzhou Zhejiang university, 2005.

The utility model provides an airport pavement information monitoring method can include: and providing a wet and slippery state of the road surface according to the water film data and the ice and snow covering data of the road surface. According to the water film data of the pavement and the ice and snow covering data of the pavement, the wet and slippery state condition of the pavement can be obtained by adopting a physical quantity conversion method, and the specific physical quantity conversion method can refer to Cao Jianfeng, airplane wheel water-sliding behavior analysis [ D ] based on the water film thickness perception of the asphalt pavement, Shanghai, Tongji university, 2005.

The utility model provides an airport pavement information monitoring method can include: and evaluating the foundation settlement risk according to the foundation settlement data and the soil-water relationship of the whole pavement. And performing regression analysis on the foundation settlement condition of the whole runway according to the foundation settlement data and the soil-water relationship of the whole runway, calculating the foundation settlement rate and the uneven settlement coefficient, and determining the foundation settlement risk according to the existing specifications and standards (such as the content in section 4.2 of civil airport geotechnical engineering design specifications (MHT 5027-2013)).

The utility model provides an airport pavement information monitoring method can include: and evaluating the plate bottom void risk according to the plate bottom void state. According to the plate bottom void state, the plate bottom void risk is determined according to the existing specifications and standards (such as the content of section 7.4 of civil airport pavement evaluation management technical specification (MH/T5024-2019)) through the occurrence position and occurrence proportion of the plate bottom void.

The utility model provides an airport pavement information monitoring method can include: and evaluating the fracture risk of the pavement according to the mechanical response of the pavement structure. According to the mechanical response of the road surface structure, comparing the theoretical structural mechanical response with the actual monitoring mechanical response of the sensor, and evaluating the road surface fracture risk, the specific evaluation method can refer to Ma X, Dong Z, Yu X, et al.

The utility model provides an airport pavement information monitoring method can include: and evaluating the water slide risk of the airplane according to the wet and slippery state of the road surface. According to the wet and slippery state of the pavement and a fluid mechanics model, a safety threshold value of the sensor for actually monitoring the wet and slippery state of the pavement and the aircraft sliding is compared, the current aircraft water sliding risk is determined, and a specific calculation method can refer to Cao Jian Feng.

A third aspect of the present invention provides a computer-readable storage medium having stored thereon a computer program, which when executed by a processor, implements the steps of the airport pavement information monitoring method provided by the second aspect of the present invention.

The utility model discloses a fourth aspect provides an apparatus, include: a processor and a memory, the memory is used for storing computer programs, the processor is used for executing the computer programs stored in the memory, so that the equipment executes the steps of the airport pavement information monitoring method provided by the second aspect of the invention.

The utility model provides an intelligent runway and method, have to runway operation and manage the automation of supporting, independently, wisdom perception and analytic ability, can subside the risk to the ground, the risk of coming to nothing at the bottom of the board, the face fracture risk, aircraft water slide risk real-time supervision, timely decision-making, timely early warning when the accident symptomatology appears, and can initiatively confirm the maintenance management scheme, can realize the unmanned management, can promote the realization of the safe operation target of "zero manual work, zero accident, zero delay" effectively, good industrialization prospect has.

To sum up, the utility model discloses various shortcomings in the prior art have effectively been overcome and high industry value has.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. An intelligent runway is characterized by comprising an airport runway body (1), wherein the airport runway body (1) sequentially comprises a pavement slab (11), a base layer (12) and a foundation (13) from top to bottom, and a foundation settlement sensing module (2) and a pavement property sensing module (3) are arranged in the airport runway body (1);

the foundation settlement sensing module (2) comprises a single-point settlement measuring device (21), a layered settlement measuring device (22), a differential pressure settlement measuring device (23), a foundation local strain monitoring device (24), a humidity measuring device (25) and a matrix suction measuring device (26);

the pavement property sensing module (3) comprises a base layer surface point type pressure-bearing monitoring device (31), a base layer surface distributed pressure-bearing monitoring device (32), a pavement internal strain monitoring device (33), a pavement internal temperature monitoring device (34), a pavement instantaneous deflection monitoring device (35), an airplane wheel track monitoring device (36), a pavement water film monitoring device (37) and a pavement ice and snow covering monitoring device (38);

the device is characterized by further comprising a data storage module (4), wherein the data storage module (4) comprises a foundation settlement data storage device (41), a foundation moisture content data storage device (42), a plate bottom contact condition data storage device (43), a pavement mechanics response data storage device (44) and a pavement wet and slippery state data storage device (45);

the foundation settlement data storage device (41) is respectively in signal connection with the single-point settlement measuring device (21), the layered settlement measuring device (22), the differential pressure settlement measuring device (23) and the foundation local strain monitoring device (24);

the foundation moisture content data storage device (42) is respectively in signal connection with the humidity measuring device (25) and the matrix suction measuring device (26);

the plate bottom contact condition data storage device (43) is respectively in signal connection with the base layer surface point type pressure-bearing monitoring device (31) and the base layer surface distributed pressure-bearing monitoring device (32);

the pavement mechanical response data storage device (44) is respectively in signal connection with a pavement internal strain monitoring device (33), a pavement internal temperature monitoring device (34), a pavement instantaneous deflection monitoring device (35) and an airplane wheel track monitoring device (36);

the road surface wet and slippery state data storage device (45) is in signal connection with the road surface water film monitoring device (37) and the road surface ice and snow coverage monitoring device (38) respectively.

2. An intelligent runway according to claim 1, characterised in that the thickness of the runway panel (11) is more than or equal to 20 cm;

and/or the thickness of the base layer (12) is more than or equal to 15 cm.

3. The intelligent runway according to claim 1, characterized in that the single-point settlement measuring devices (21) are located in the layer of the foundation (13), the depth of the single-point settlement measuring devices (21) is greater than the depth of the bearing stratum, the number of the single-point settlement measuring devices (21) is one or more, and when the number of the single-point settlement measuring devices (21) is more, the distance between the single-point settlement measuring devices (21) is more than or equal to 5 m;

and/or the layered settlement measuring devices (22) are positioned in the foundation (13) layer, the number of the layered settlement measuring devices (22) is multiple, the layered settlement measuring devices are uniformly distributed in the gravity direction of the single-point settlement measuring device (21), and the distance between every two layered settlement measuring devices (22) is more than or equal to 5 m.

4. The intelligent runway according to claim 1, characterized in that the differential pressure settlement measuring devices (23) are arranged in the layer of the foundation (13), the number of the differential pressure settlement measuring devices (23) is multiple, and the differential pressure settlement measuring devices are uniformly distributed along the extension direction of the airfield runway body (1), and the distance between every two differential pressure settlement measuring devices (23) is 5-40 m;

and/or the foundation local strain monitoring devices (24) are positioned in the foundation (13) layer, and the foundation local strain monitoring devices (24) are distributed along the extension direction of the airfield runway body (1).

5. The intelligent runway according to claim 1, characterized in that the humidity measuring devices (25) are located in the layer of the foundation (13), the number of the humidity measuring devices (25) is one or more, and when the number of the humidity measuring devices (25) is more, the distance between the humidity measuring devices (25) is more than or equal to 10 m;

and/or the substrate suction measuring devices (26) are positioned in the foundation (13) layer, the number of the substrate suction measuring devices (26) is one or more, and when the number of the substrate suction measuring devices (26) is more than one, the distance between the substrate suction measuring devices (26) is more than or equal to 10 m.

6. An intelligent runway according to claim 1, characterized in that the base layer surface point type pressure-bearing monitoring devices (31) are positioned in the base layer (12), the number of the base layer surface point type pressure-bearing monitoring devices (31) is one or more, when the number of the base layer surface point type pressure-bearing monitoring devices (31) is more, the distance between the base layer surface point type pressure-bearing monitoring devices (31) is more than or equal to 0.2 m;

and/or the base layer surface distributed pressure-bearing monitoring devices (32) are positioned in the base layer (12) layer and are uniformly distributed along the extension direction of the airfield runway body (1) and the extension direction vertical to the airfield runway body (1).

7. An intelligent runway according to claim 1, characterized in that the runway internal strain monitoring devices (33) are located in the layer of the runway panel (11), the number of the runway internal strain monitoring devices (33) is one or more, and when the number of the runway internal strain monitoring devices (33) is more, the distance between the runway internal strain monitoring devices (33) is more than or equal to 0.5 m;

and/or the pavement internal temperature monitoring devices (34) are positioned in the pavement slab (11) layer and are distributed in a layered manner in the gravity direction of the pavement internal temperature monitoring devices (34), and when the number of the pavement internal temperature monitoring devices (34) is more than one, the horizontal distance of each pavement internal temperature monitoring device (34) is more than or equal to 0.5m, and the vertical distance is more than or equal to 5 cm.

8. An intelligent runway according to claim 1, characterized in that the runway instantaneous deflection monitoring devices (35) are located in the layer of the runway panel (11), the number of the runway instantaneous deflection monitoring devices (35) is one or more, and when the runway instantaneous deflection monitoring devices (35) are multiple, the distance between the runway instantaneous deflection monitoring devices (35) is more than or equal to 0.5 m;

and/or the airplane wheel track monitoring device (36) is positioned at the edge of the airfield runway body (1).

9. The intelligent runway according to claim 1, characterized in that the runway surface water film monitoring devices (37) are positioned in the layer of the runway panel (11), the number of the runway surface water film monitoring devices (37) is one or more, and when the number of the runway surface water film monitoring devices (37) is more, the distance between the runway surface water film monitoring devices (37) is more than or equal to 0.5 m;

and/or the pavement ice and snow coverage monitoring devices (38) are positioned in the pavement slab (11), the number of the pavement ice and snow coverage monitoring devices (38) is one or more, and when the number of the pavement ice and snow coverage monitoring devices (38) is more than one, the distance between the pavement ice and snow coverage monitoring devices (38) is more than or equal to 0.5 m.

10. An intelligent runway according to claim 1, characterized in that the intelligent runway further comprises a risk assessment module (5), the risk assessment module (5) comprising:

the foundation settlement risk evaluation device (51) is used for evaluating foundation settlement risks according to foundation settlement data and soil-water relations of the whole road surface, and the foundation settlement risk evaluation module is connected with the signals;

the plate bottom void risk evaluation device (52) is used for evaluating a plate bottom void risk according to a plate bottom void state, and the plate bottom void risk evaluation module is connected with a signal;

the pavement fracture risk evaluation device (53) is used for evaluating the pavement fracture risk according to the mechanical response of a pavement structure, and the pavement fracture risk evaluation module is connected with the signal;

the aircraft water slide risk evaluation device (54) is used for evaluating the aircraft water slide risk according to the wet and slippery state of the road surface, and the aircraft water slide risk evaluation module is connected with the signal.