CN108595857A - Safety fence for railway track automatic design method - Google Patents
Safety fence for railway track automatic design method Download PDFInfo
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Abstract
The invention discloses a kind of safety fence for railway track automatic design methods, and this approach includes the following steps：Build Plane Railway model (S1), build roll guard design engineering custom dictionaries (S2), structure boundary of a piece of land model (S3), digital terrain model (S4) is set, roll guard design parameter (S5) is set, it is automatic to calculate roll guard plane node data (S6), build roll guard model (S7), initialize roll guard longitudinal data (S8), draw roll guard (S9), output guard fence outcome table (S10).This method is based on track plan model, carries out Automated Design with boundary of a piece of land model and digital terrain model, it is technologically advanced, simplify design cycle, work on hand means are reformed, safety fence for railway track design efficiency can be significantly improved, shortens the design cycle, high degree of automation, it is highly practical, there is apparent application value.
Description
Technical field
The present invention relates to safety fence for railway track design method more particularly to safety fence for railway track Automated Design sides
Method.
Background technology
Safety fence for railway track design is the important content of Railway Design, is to influence railway engineering quality and operation security
An importance.In recent years, with high-speed railway and Line for Passenger Transportation Fast Construction and come into operation successively, to railway line
More stringent requirements are proposed for the operation security on road.《Safety fence for railway track》The publication of the standards such as generalized reference figure, and " close
In the notice for conscientiously carrying out the implementations such as safety fence for railway track and disaster prevention safety monitoring ", it is desirable that designing unit will be into one
Step promotes " security protection " design concept, safety protection facility design is improved from design source, by equipment such as line protection fence
The important contents such as safety prevention measure be included in construction drawing, it is ensured that high-speed railway (passenger dedicated railway line) is built and operation security.
However for a long time, designer uses always manual method, and safety fence for railway track number is carried out with Excel forms modes
According to tissue and design, designer have to delineate boundary in topographic map, it is artificial to calculate landform longitudinal slope residing for roll guard
Slope angle matches roll guard unit, computing unit quantity, then collect statistics.This method design process is very complicated, by hand
Workload is huge, time and effort consuming, and arbitrariness is also big, and result of design is not intuitive, and difficulty or ease review is easy error, leads to design efficiency
Relatively low, engineering quantity calculating is more slightly made, and statistics is not accurate enough, and designing quality is unreliable, cannot be satisfied current production situation
It needs.
Invention content
For the problems of current safety fence for railway track design and present situation, the present invention proposes a kind of rail track
Roll guard automatic design method, by building Plane Railway model, roll guard designs engineering custom dictionaries and use
Digital terrain model and roll guard design parameter is arranged in boundary of a piece of land model, on this basis, automatic to calculate roll guard plane section
Point data builds roll guard model, then initializes roll guard longitudinal data, draws roll guard, and output guard
Fence outcome table.
Safety fence for railway track automatic design method according to the present invention, it is characterised in that this method includes following step
Suddenly：
S1, structure Plane Railway model
Plane Railway model is according to Plane Railway model name, chain rupture mileage, plane point of intersection curve number
According to, bridge gap data, tunnel gap data, yard gap data structure；Plane Railway model is track plan data
Storage, the carrier for calculating and drawing are sweared according to Plane Railway model Calculation Plane mileage, coordinate, tangent line vector sum normal
Amount.
S2, structure roll guard design engineering custom dictionaries
Roll guard designs engineering custom dictionaries, by selecting Plane Railway model, importing circuit panel data
Structure；Roll guard designs engineering custom dictionaries management track plan data, with boundary of a piece of land model, digital terrain model and protection
Fence model is associated with roll guard model by the foundation of track plan model name with boundary of a piece of land model.
S3, structure boundary of a piece of land model
It is expressed using custom entities with boundary of a piece of land model, for storing, calculating and the drafting boundary of a piece of land, one with boundary of a piece of land model
The continuous land used area under a person's administration in side one is represented to fall；It is built according to boundary of a piece of land node data with boundary of a piece of land model, building process includes leading
Enter and is used with boundary of a piece of land node data, the continuous mileage of calculating boundary of a piece of land node, coordinate and normal vector, tissue boundary of a piece of land data, structure
Boundary of a piece of land custom entities and the drafting boundary of a piece of land；
Importing boundary of a piece of land node data refers to from boundary of a piece of land file importing boundary of a piece of land node data, includes with boundary of a piece of land node data
Left and right sides classification, with boundary of a piece of land type, chain rupture serial number, mark mileage and with boundary of a piece of land width, be with boundary of a piece of land range line with boundary of a piece of land width
The distance of Lu Zhizheng；With the continuous mileage of boundary of a piece of land node according to chain rupture serial number and mark mileage calculation, coordinate according to continuous mileage and
It is calculated with boundary of a piece of land width gauge, normal vector is organized according to continuous mileage calculation, with boundary of a piece of land data according to left and right sides respectively；Build land used
Boundary's custom entities create use boundary of a piece of land figure layer first, are then built according to boundary of a piece of land data, setting boundary of a piece of land model name and line
Road areal model title；The drafting boundary of a piece of land includes drafting boundary of a piece of land boundary line and land used boundary marker；After the model construction of the boundary of a piece of land, press
Model ID and track plan model name are added in roll guard design engineering custom dictionaries.
S4, setting digital terrain model
Digital terrain model is set, the type and filename of setting digital terrain model, the class of digital terrain model are included
Type includes two kinds of the triangulation network and grid, and filename uses relative path；The type and filename of digital terrain model are stored in
Roll guard designs in engineering custom dictionaries.
S5, setting roll guard design parameter
Roll guard design parameter refers to the principle and control parameter of roll guard Automated Design, and roll guard design parameter is logical
Dialog box setting is crossed, is stored in roll guard design engineering custom dictionaries；Roll guard design parameter include with the boundary of a piece of land with
Interior distance, roll guard height types and ground longitudinal slope material calculation；With distance controlling roll guard Automated Design within the boundary of a piece of land
Plan-position, roll guard height types include 2.7m high, 2.2m high and 1.8m high three types, ground longitudinal slope material calculation
Control calculating and the statistics of roll guard longitudinal slope.
S6, automatic calculating roll guard plane node data
The automatic roll guard plane node data that calculate refer to according to Plane Railway model, with boundary of a piece of land model and protection
Fence design parameter calculates automatically, and calculating process includes obtaining track plan data, obtaining with boundary of a piece of land data and calculate guard boom
Column plane node data；
It obtains track plan data to refer to by selecting circuit areal model, be set from roll guard by track plan model name
Count the panel data searched in engineering dictionary and obtain corresponding line；
Acquisition boundary of a piece of land data, obtain according to track plan model name and use boundary of a piece of land model ID at left and right sides of circuit, the company of pressing
Continuous mileage sequence opens corresponding boundary of a piece of land custom entities, obtains left and right sides boundary of a piece of land node data according to model ID；
Roll guard plane node data are calculated, are handled one by one according to boundary of a piece of land model ID, each roll guard plane section
Point is corresponded with boundary of a piece of land node, and using identical continuous mileage, roll guard plane node coordinate is directly according to the boundary of a piece of land
Node coordinate is calculated with distance within the boundary of a piece of land and normal vector, at bridge notch and tunnel gap terminus, adds one respectively
A roll guard plane node, code notches type, coordinate use wire center point, Seal treatment are done to roll guard.
S7, structure roll guard model
Roll guard model is expressed using custom entities, for storing, calculating and drawing roll guard；Build guard boom
Column model creates roll guard figure layer first, then builds roll guard by intersection method according to roll guard plane node data
The entitled track plan model name of roll guard baseline model is arranged in custom entities, and left and right sides classification and guard boom is arranged
Column height types create acquiescence chain rupture, calculate continuous mileage；After roll guard model construction, by model ID and track plan mould
Type title is added in roll guard design engineering custom dictionaries；Roll guard model name with track plan model name+
Left and right sides type+roll guard+terminus mileage indicates.
S8, initialization roll guard longitudinal data
Roll guard longitudinal data is initialized, is referred to according to continuous mileage and ground longitudinal slope material calculation, it is originally determined anti-
Barrier shielding vertical section knick point calculates the plane tangent vector, roll guard mark mileage and corresponding railway line road sign of knick point
Mileage is noted, according to In Dtm Interpolation knick point elevation, knick point is calculated and corresponds to Barrier facility, according to digital terrain model
Roll guard vertical section ground line is cut, roll guard longitudinal slope segment data is counted；
Roll guard longitudinal slope segment data is counted, each knick point corresponding ground longitudinal slope is calculated first, determines angular type, so
Angularly type statistics roll guard longitudinal slope is segmented start and end point range afterwards, finally calculates each roll guard longitudinal slope segment data and whole
A roll guard space length；Roll guard longitudinal slope segment data includes angular type, the continuous mileage of terminus, segmentation starting point pair
Answer point coordinates and space length in rail track mark mileage, segmentation starting point coordinate, segmentation starting point tangent line vector, segmentation.
S9, roll guard is drawn
Roll guard is drawn, is referred to according to roll guard plane node data and roll guard longitudinal slope segment data, is drawn anti-
Barrier shielding plan-position, mark roll guard longitudinal slope slope section；Roll guard plan-position according to roll guard plane node data,
It is drawn using polyline, different angle type uses different colors；Roll guard longitudinal slope slope section is marked, first in each guard boom
Column longitudinal slope, which has been segmented, presses the corresponding rail track mark mileage of normal direction mark, space length and the corresponding angle of angular type
Then range tangentially marks space length and the corresponding angle model of angular type among the segmentation of each roll guard longitudinal slope
It encloses.
S10, output guard fence outcome table
Output guard fence outcome table extracts data from roll guard model, calculates by selecting roll guard model
And output guard fence outcome table, roll guard outcome table include roll guard computational chart and roll guard bill of quantities；It is anti-
For barrier shielding computational chart using vertical section knick point as calculate node, each node corresponds to data line in roll guard computational chart, packet
Include corresponding rail track mark mileage, elevation, left and right sides distance, adjacent node space length, height difference, angle and angular type；
Roll guard engineering quantity is inquired every according to height types and angular type first from roll guard standard drawing bill of quantities
Then unilateral kilometer standard engineering quantity is directed to the segmentation of each roll guard longitudinal slope and is calculated, roll guard bill of quantities
Including segmentation starting point corresponds to rail track mark mileage, segment endpoint corresponds to rail track mark other mileage, side, fence length and
Roll guard engineering quantity.
The advantageous effect of the invention is：Engineering custom dictionaries is designed by building roll guard, it is flat based on rail track
Surface model carries out roll guard Automated Design with boundary of a piece of land model and digital terrain model, technologically advanced, simplifies design cycle,
Work on hand means have been reformed, manual data tissue has been effectively reduced, calculates and operate repeatedly, rail track protection can be significantly improved
Fence desin speed shortens the design cycle；Automated Design substitution manual operations considers bridge tunnel notch and roll guard design
Parameter, algorithm is advanced, high degree of automation, highly practical, can greatly improve working efficiency, achievement chart intuitive is strong, data
Finely, it is easy to check, designing quality meets professional requirement, has apparent application value.
Description of the drawings
Fig. 1 is the flow chart of safety fence for railway track automatic design method.
Description of symbols in figure：
S1, structure Plane Railway model
S2, structure roll guard design engineering custom dictionaries
S3, structure boundary of a piece of land model
S4, setting digital terrain model
S5, setting roll guard design parameter
S6, automatic calculating roll guard plane node data
S7, structure roll guard model
S8, initialization roll guard longitudinal data
S9, roll guard is drawn
S10, output guard fence outcome table
Specific implementation mode
It is described with reference to the specific technical solution of the present invention.Shown in flow chart by Fig. 1, railway line of the present invention
The step of road roll guard automatic design method includes：Plane Railway model is built, structure roll guard design engineering is certainly
Dictionary is defined, structure boundary of a piece of land model is arranged digital terrain model, roll guard design parameter is arranged, calculates guard boom automatically
Column plane node data build roll guard model, initialize roll guard longitudinal data, draw roll guard, and output is anti-
Barrier shielding outcome table.
S1, structure Plane Railway model
Plane Railway model is according to Plane Railway model name, chain rupture mileage, plane point of intersection curve number
According to, bridge gap data, tunnel gap data, yard gap data structure；Plane Railway model is track plan data
Storage, the carrier for calculating and drawing are sweared according to Plane Railway model Calculation Plane mileage, coordinate, tangent line vector sum normal
Amount；Plane Railway model is as the calculating baseline with boundary of a piece of land model and roll guard model.
S2, structure roll guard design engineering custom dictionaries
Roll guard designs engineering custom dictionaries, by selecting Plane Railway model, importing circuit panel data
Structure；Roll guard designs engineering custom dictionaries management track plan data, with boundary of a piece of land model, digital terrain model and protection
Fence model is associated with roll guard model by the foundation of track plan model name with boundary of a piece of land model.
S3, structure boundary of a piece of land model
It is expressed using custom entities with boundary of a piece of land model, for storing, calculating and the drafting boundary of a piece of land, one with boundary of a piece of land model
The continuous land used area under a person's administration in side one is represented to fall；It is built according to boundary of a piece of land node data with boundary of a piece of land model, building process includes leading
Enter and is used with boundary of a piece of land node data, the continuous mileage of calculating boundary of a piece of land node, coordinate and normal vector, tissue boundary of a piece of land data, structure
Boundary of a piece of land custom entities and the drafting boundary of a piece of land；
Importing boundary of a piece of land node data refers to from boundary of a piece of land file importing boundary of a piece of land node data, is with boundary of a piece of land file suffixes
.ter, with boundary of a piece of land node data include left and right sides classification, with boundary of a piece of land type, chain rupture serial number, mark mileage and use boundary of a piece of land width, use
Boundary of a piece of land width is the distance with boundary of a piece of land distance line center；With the continuous mileage of boundary of a piece of land node according to chain rupture serial number and mark odometer
It calculates, coordinate is calculated according to continuous mileage and with boundary of a piece of land width gauge, and normal vector is according to continuous mileage calculation, with boundary of a piece of land data according to a left side
It organizes respectively on right side；Structure boundary of a piece of land custom entities create use boundary of a piece of land figure layer first, are then built according to boundary of a piece of land data,
Setting boundary of a piece of land model name and track plan model name；The drafting boundary of a piece of land includes drafting boundary of a piece of land boundary line and uses the boundary of a piece of land
Stake；After the model construction of the boundary of a piece of land, by model ID and track plan model name, it is added to the roll guard design self-defined word of engineering
In allusion quotation.
S4, setting digital terrain model
Digital terrain model is set, the type and filename of setting digital terrain model, the class of digital terrain model are included
Type includes two kinds of the triangulation network and grid, and it is .tin that filename, which uses relative path, Triangular Grid Model file suffixes,
Grid digital terrain model file suffixes is .grid；The type and filename of digital terrain model are stored in roll guard and set
It counts in engineering custom dictionaries.
S5, setting roll guard design parameter
Roll guard design parameter refers to the principle and control parameter of roll guard Automated Design, and roll guard design parameter is logical
Dialog box setting is crossed, is stored in roll guard design engineering custom dictionaries；Roll guard design parameter include with the boundary of a piece of land with
Interior distance, roll guard height types and ground longitudinal slope material calculation；With distance controlling roll guard Automated Design within the boundary of a piece of land
Plan-position, roll guard height types include 2.7m high, 2.2m high and 1.8m high three types, ground longitudinal slope material calculation
Control calculating and the statistics of roll guard longitudinal slope.
S6, automatic calculating roll guard plane node data
The automatic roll guard plane node data that calculate refer to according to Plane Railway model, with boundary of a piece of land model and protection
Fence design parameter calculates automatically, and calculating process includes obtaining track plan data, obtaining with boundary of a piece of land data and calculate guard boom
Column plane node data；
It obtains track plan data to refer to by selecting circuit areal model, be set from roll guard by track plan model name
Count the panel data searched in engineering dictionary and obtain corresponding line；
Acquisition boundary of a piece of land data, obtain according to track plan model name and use boundary of a piece of land model ID at left and right sides of circuit, the company of pressing
Continuous mileage sequence opens corresponding boundary of a piece of land custom entities, obtains left and right sides boundary of a piece of land node data according to model ID；
Roll guard plane node data are calculated, are handled one by one according to boundary of a piece of land model ID, each roll guard plane section
Point is corresponded with boundary of a piece of land node, and using identical continuous mileage, roll guard plane node coordinate is directly according to the boundary of a piece of land
Node coordinate is calculated with distance within the boundary of a piece of land and normal vector, at bridge notch and tunnel gap terminus, adds one respectively
A roll guard plane node, code notches type, coordinate use wire center point, Seal treatment are done to roll guard.
S7, structure roll guard model
Roll guard model is expressed using custom entities, for storing, calculating and drawing roll guard；Build guard boom
Column model creates roll guard figure layer first, then builds roll guard by intersection method according to roll guard plane node data
The entitled track plan model name of roll guard baseline model is arranged in custom entities, and left and right sides classification and guard boom is arranged
Column height types create acquiescence chain rupture, calculate continuous mileage；After roll guard model construction, by model ID and track plan mould
Type title is added in roll guard design engineering custom dictionaries；Roll guard custom entities attribute includes roll guard
Model name, starting point mileage, terminal mileage, length and height types, roll guard model name with track plan model name+
Left and right sides type+roll guard+terminus mileage indicates.
S8, initialization roll guard longitudinal data
Roll guard longitudinal data is initialized, is referred to according to continuous mileage and ground longitudinal slope material calculation, it is originally determined anti-
Barrier shielding vertical section knick point calculates the plane tangent vector, roll guard mark mileage and corresponding railway line road sign of knick point
Mileage is noted, according to In Dtm Interpolation knick point elevation, knick point is calculated and corresponds to Barrier facility, according to digital terrain model
Roll guard vertical section ground line is cut, roll guard longitudinal slope segment data is counted；
Roll guard longitudinal slope segment data is counted, each knick point corresponding ground longitudinal slope is calculated first, determines angular type, so
Angularly type statistics roll guard longitudinal slope is segmented start and end point range afterwards, finally calculates each roll guard longitudinal slope segment data and whole
A roll guard space length；Roll guard longitudinal slope segment data includes angular type, the continuous mileage of terminus, segmentation starting point pair
Answer point coordinates and space length in rail track mark mileage, segmentation starting point coordinate, segmentation starting point tangent line vector, segmentation, angle
Type is divided into less than 6 °, 6 °~12 °, 12 °~20 °, 20 °~28 °, 28 °~36 ° and is more than 36 °.
S9, roll guard is drawn
Roll guard is drawn, is referred to according to roll guard plane node data and roll guard longitudinal slope segment data, is drawn anti-
Barrier shielding plan-position, mark roll guard longitudinal slope slope section；Roll guard plan-position according to roll guard plane node data,
It is drawn using polyline, different angle type uses different colors；Roll guard longitudinal slope slope section is marked, first in each guard boom
Column longitudinal slope, which has been segmented, presses the corresponding rail track mark mileage of normal direction mark, space length and the corresponding angle of angular type
Then range tangentially marks space length and the corresponding angle model of angular type among the segmentation of each roll guard longitudinal slope
It encloses.
S10, output guard fence outcome table
Output guard fence outcome table extracts data from roll guard model, calculates by selecting roll guard model
And output guard fence outcome table, roll guard outcome table include roll guard computational chart and roll guard bill of quantities；It is anti-
For barrier shielding computational chart using vertical section knick point as calculate node, each node corresponds to data line in roll guard computational chart, packet
Include corresponding rail track mark mileage, elevation, left and right sides distance, adjacent node space length, height difference, angle and angular type；
Roll guard engineering quantity is inquired every according to height types and angular type first from roll guard standard drawing bill of quantities
Then unilateral kilometer standard engineering quantity is directed to the segmentation of each roll guard longitudinal slope and is calculated, roll guard bill of quantities
Including segmentation starting point corresponds to rail track mark mileage, segment endpoint corresponds to rail track mark other mileage, side, fence length and
Roll guard engineering quantity；Fence length is roll guard space length, is exported respectively according to angular type, roll guard engineering
Quantity includes headsill quantity, mud sill quantity, column quantity, column piece quantity, mesh sheet quantity, bolumn cap, base concrete, backfill coagulation
Soil digs base soil, backfill, leveling earth and lattice door quantity.
Claims (6)
1. a kind of safety fence for railway track automatic design method, which is characterized in that include the following steps：It is flat to build rail track
Digital ground is arranged in surface model (S1), structure roll guard design engineering custom dictionaries (S2), structure boundary of a piece of land model (S3)
Model (S4), setting roll guard design parameter (S5) is automatic to calculate roll guard plane node data (S6), builds guard boom
Column model (S7), initialization roll guard longitudinal data (S8) draw roll guard (S9), output guard fence outcome table
(S10)；
The structure Plane Railway model (S1) is handed over according to Plane Railway model name, chain rupture mileage, plane
Point curve data, bridge gap data, tunnel gap data, yard gap data structure, according to Plane Railway model meter
Calculate plane mileage, coordinate, tangent line vector sum normal vector；
The structure roll guard design engineering custom dictionaries (S2), by selecting Plane Railway model, importing circuit
Panel data is built；Roll guard designs engineering custom dictionaries management track plan data, with boundary of a piece of land model, digitally face mould
Type and roll guard model；
The structure boundary of a piece of land model (S3) is built with boundary of a piece of land model according to boundary of a piece of land node data, and building process includes importing
With boundary of a piece of land node data, the continuous mileage of calculating boundary of a piece of land node, coordinate and normal vector, tissue boundary of a piece of land data, structure land used
Boundary's custom entities and the draftings boundary of a piece of land with boundary of a piece of land node data include left and right sides classification, with boundary of a piece of land type, chain rupture serial number, mark
Note mileage and with boundary of a piece of land width；
The setting digital terrain model (S4) includes the type and filename of setting digital terrain model, digital terrain model
Type include two kinds of the triangulation network and grid, filename uses relative path；
The setting roll guard design parameter (S5), roll guard design parameter include with distance, roll guard within the boundary of a piece of land
Height types and ground longitudinal slope material calculation；
The automatic calculating roll guard plane node data (S6), refer to according to Plane Railway model, with boundary of a piece of land model and
Roll guard design parameter calculates automatically, and calculating process includes obtaining track plan data, obtaining with boundary of a piece of land data and calculate anti-
Barrier shielding plane node data；
The structure roll guard model (S7) creates roll guard figure layer, then according to roll guard plane node number first
Roll guard custom entities are built according to by intersection method, the entitled track plan model name of roll guard baseline model is set,
Left and right sides classification and roll guard height types are set, creates acquiescence chain rupture, calculates continuous mileage；Roll guard model construction
Afterwards, by model ID and track plan model name, it is added in roll guard design engineering custom dictionaries；
The initialization roll guard longitudinal data (S8) refers to according to continuous mileage and ground longitudinal slope material calculation, initial true
Determine roll guard vertical section knick point, calculates the plane tangent vector, roll guard mark mileage and corresponding railway line of knick point
Road sign notes mileage, according to In Dtm Interpolation knick point elevation, calculates knick point and corresponds to Barrier facility, according to digital ground
Model cuts roll guard vertical section ground line, counts roll guard longitudinal slope segment data；
The drafting roll guard (S9), refers to according to roll guard plane node data and roll guard longitudinal slope segment data, paints
Roll guard plan-position processed, mark roll guard longitudinal slope slope section；
The output guard fence outcome table (S10) extracts number by selecting roll guard model from roll guard model
According to calculating and output guard fence outcome table, roll guard outcome table includes roll guard computational chart and roll guard engineering number
Scale.
2. safety fence for railway track automatic design method according to claim 1, which is characterized in that the structure land used
In boundary's model (S3), with the continuous mileage of boundary of a piece of land node according to chain rupture serial number and mark mileage calculation, coordinate according to continuous mileage and
It is calculated with boundary of a piece of land width gauge, normal vector is organized according to continuous mileage calculation, with boundary of a piece of land data according to left and right sides respectively；Build land used
Boundary's custom entities create use boundary of a piece of land figure layer first, are then built according to boundary of a piece of land data, setting boundary of a piece of land model name and line
Road areal model title；The drafting boundary of a piece of land includes drafting boundary of a piece of land boundary line and land used boundary marker.
3. safety fence for railway track automatic design method according to claim 1, which is characterized in that the automatic calculating
In roll guard plane node data (S6), obtains track plan data and refer to by selecting circuit areal model, by track plan
Model name is designed from roll guard searches the panel data for obtaining corresponding line in engineering dictionary；It obtains and uses boundary of a piece of land data, root
It is obtained according to track plan model name and uses boundary of a piece of land model ID at left and right sides of circuit, sorted by continuous mileage, according to model ID, opened
It is corresponding to use boundary of a piece of land custom entities, obtain left and right sides boundary of a piece of land node data；Calculate roll guard plane node data, according to
Boundary of a piece of land model ID is handled one by one, and each roll guard plane node is corresponded with boundary of a piece of land node, using it is identical it is continuous in
Journey, roll guard plane node coordinate are directly calculated according to boundary of a piece of land node coordinate, with distance within the boundary of a piece of land and normal vector,
At bridge notch and tunnel gap terminus, a roll guard plane node, code notches type are added respectively, and coordinate uses
Wire center point, Seal treatment is done to roll guard.
4. safety fence for railway track automatic design method according to claim 1, which is characterized in that the initial chemoprevention
Roll guard longitudinal slope segment data is counted in barrier shielding longitudinal data (S8), calculates each knick point corresponding ground longitudinal slope first,
Determine angular type, then angularly type statistics roll guard longitudinal slope is segmented start and end point range, finally calculates each roll guard
Longitudinal slope segment data and entire roll guard space length；Roll guard longitudinal slope segment data includes angular type, terminus company
Continuous mileage, segmentation starting point correspond to rail track mark mileage, segmentation starting point coordinate, segmentation starting point tangent line vector, segmentation midpoint seat
Mark and space length.
5. safety fence for railway track automatic design method according to claim 1, which is characterized in that the drafting protection
Roll guard plan-position is drawn according to roll guard plane node data using polyline in fence (S9), different angle class
Type uses different colors；Roll guard longitudinal slope slope section is marked, has been segmented in each roll guard longitudinal slope presses normal direction first
The corresponding rail track mark mileage of mark, space length and the corresponding angular range of angular type, it is then vertical in each roll guard
Slope segmentation is intermediate tangentially to mark space length and the corresponding angular range of angular type.
6. safety fence for railway track automatic design method according to claim 1, which is characterized in that the output guard
For roll guard computational chart using vertical section knick point as calculate node, each node corresponds to roll guard in fence outcome table (S10)
Data line in computational chart, including corresponding rail track mark mileage, elevation, left and right sides distance, adjacent node space length, height
Difference, angle and angular type；Roll guard engineering quantity is according to height types and angular type, first from roll guard standard drawing
It is inquired in bill of quantities per unilateral kilometer standard engineering quantity, is then directed to the segmentation of each roll guard longitudinal slope and is calculated,
Roll guard bill of quantities includes that segmentation starting point corresponds to rail track mark mileage, segment endpoint corresponds in rail track mark
Journey, side not, fence length and roll guard engineering quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810401204.4A CN108595857B (en) | 2018-04-28 | 2018-04-28 | Automatic design method for railway line protective fence |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810401204.4A CN108595857B (en) | 2018-04-28 | 2018-04-28 | Automatic design method for railway line protective fence |
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| Publication Number | Publication Date |
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| CN108595857A true CN108595857A (en) | 2018-09-28 |
| CN108595857B CN108595857B (en) | 2022-06-28 |
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| CN201810401204.4A Active CN108595857B (en) | 2018-04-28 | 2018-04-28 | Automatic design method for railway line protective fence |
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