CN107330135A - A kind of method of application 3D printing technique auxiliary road surface construction design - Google Patents

A kind of method of application 3D printing technique auxiliary road surface construction design Download PDF

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Publication number
CN107330135A
CN107330135A CN201710320940.2A CN201710320940A CN107330135A CN 107330135 A CN107330135 A CN 107330135A CN 201710320940 A CN201710320940 A CN 201710320940A CN 107330135 A CN107330135 A CN 107330135A
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test specimen
road surface
noise
antiskid
design
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CN107330135B (en
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王端宜
粱遐意
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South China University of Technology SCUT
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South China University of Technology SCUT
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/10—Geometric CAD
    • G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/20—Design optimisation, verification or simulation

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  • Computer Hardware Design (AREA)
  • Evolutionary Computation (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Civil Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Architecture (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Road Paving Structures (AREA)
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Abstract

The invention discloses a kind of method of application 3D printing technique auxiliary road surface construction design, including step：（1）Needed to select to meet gathering materials for bituminous pavement top technical requirements according to surface structure design studies；（2）Determine mix type and aggregate grading scope；（3）Generate large batch of virtual test specimen；（4）Evaluate the surface profile feature of the virtual test specimen；（5）By 3D printer according to model copy and customization test specimen；（6）Antiskid and the noise of test specimen are tested by accelerated loading simulated test；（7）Draw the optimum mix for meeting road surface construction needs；（8）The antiskid of tracing detection experiment road section surface and noise level, carry out engineering evaluation.Human and material resources and time that the present invention can be saved required for a large amount of indoor and outdoor tests, the reproducible test specimen with printing particular surface contour feature carries out experimental design, and make it possible road surface construction optimization design, with significant technology, economic and social benefit.

Description

A kind of method of application 3D printing technique auxiliary road surface construction design
Technical field
The present invention relates to the method that application 3D printing technique aids in road surface construction design, belong to road structure design Field.
Background technology
The function of surface on road surface depends greatly on the surface structure on road surface, directly affects the driving safety on road surface And comfortableness, such as antiskid and noise.Therefore, it is very important to design suitable road surface construction.It is necessary due to lacking Means and method, conventional road surface carries out special design for surface structure, and simply rule of thumb to surface Antiskid and construction depth propose some simple restricted indexs.Such design process can not meet Road to Modernization road pavement Safe, quick, comfortable and environmentally friendly requirement.
Existing research points out that the mechanism of pavement skid resistance and noise is extremely complex, and influence factor is not only construction depth Size, the distribution of construction depth and the change all antiskid of road pavement and noises have important influence.However, relying solely on interior Shaping test piece or the mode of actual road surface sampling realize that pavement skid resistance and the noise simulation experiment of simple operating mode and controlled condition are Extremely difficult, let alone carry out the optimization design of road surface construction.Therefore, the present invention proposes that application 3D printing technique is auxiliary The method for helping road surface construction to design.Human and material resources that this method can be saved required for a large amount of indoor and outdoor tests and when Between, it is reproducible with printing particular surface contour feature test specimen carry out experimental design, and make road surface construction optimization design into For possibility.
The content of the invention
The present invention overcomes what the defect of prior art was designed there is provided a kind of application 3D printing technique auxiliary road surface construction Method.
Technical solution of the present invention is as follows：
A kind of method of application 3D printing technique auxiliary road surface construction design, comprises the following steps：
（1）According to surface structure design studies needs, the quality and technical index gathered materials is evaluated by gathering materials experiment, selection is met Bituminous pavement top technical requirements are gathered materials；
（2）Determine mix type and aggregate grading scope；
（3）Using Monte carlo algorithm, in the range of mixture gradation, the large batch of virtual examination of particle stream Software Create is utilized Part；
（4）Evaluate the surface profile feature of the virtual test specimen；
（5）The virtual test specimen model of some representative contour features is selected, by test specimen mode input 3D printer, reselection is closed Suitable printed material loads 3D printing head, according to model copy and customization test specimen；
（6）Antiskid and noise and antiskid and noise level by accelerated loading simulated test test test specimen is with load action Several changes；
（7）By accelerating and loading test data analysis, the test specimen for meeting pavement skid resistance and noise construction demand is filtered out, is drawn full The optimum mix that sufficient road surface construction needs；
（8）Carry out trial section project, the antiskid of tracing detection experiment road section surface and noise according to test specimen compound optimum mix Level, carries out engineering evaluation.
Further, step（1）In, it is described gather materials gathered materials by screening, crush values, the grain corner test evaluation that gathers materials Quality and technical index.
Further, step（1）In, the mix type includes AC, SMA, OGFC.
Further, step（4）In, the surface of the virtual test specimen is evaluated using power spectral density or fractal theory method Contour feature.
Further, step（5）In, the suitable printed material be type it is identical with asphalt mechanical property or Similar material.
Compared with prior art, the present invention has following advantage：
1. the present invention uses Monte carlo algorithm, in the grading limit of selected mix type, particle stream Software Create is utilized Large batch of virtual test specimen, can reduce the huge workload for preparing entity test specimen, improve operating efficiency；
2. according to virtual test specimen model 3D printing test specimen, realize that operating mode is simple and condition controllable pavement skid resistance and noise simulation Experiment, optimization road surface construction design；
3. the present invention customizes test specimen using 3D printing technique, it is ensured that the virtual test specimen of entity test specimen and representative contour feature Model surface constructs homogeneity, can the virtual surface of test piece contour feature of authentic testing correspondence antiskid and noise level.
4. the present invention proposes the method that application 3D printing technique aids in road surface construction design, pavement skid resistance is met With the surface structure design objective of noise demand, so as to reduce pavement noise from design, road-ability is improved.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the method for the embodiment of the present invention.
Fig. 2 is three kinds of asphalt types and its corresponding aggregate grading scope schematic diagram.
Fig. 3 is bitumen mixture specimen Three-dimensional Gravity composition.
Fig. 4 is 3D printing test specimen schematic diagram.
Fig. 5 is 3D printing test specimen accelerating and loading test schematic diagram.
Embodiment
Make further specific detailed description, but embodiments of the present invention are not to the present invention with reference to specific embodiment It is limited to this, for the technological parameter not indicated especially, can refer to routine techniques progress.
As shown in figure 1, a kind of method of application 3D printing technique auxiliary road surface construction design, comprises the following steps：
（1）According to surface structure design studies needs, experiment is gathered materials come evaluate collection by screening, crush values, grain corner etc. The quality and technical index of material, selection meets gathering materials for bituminous pavement top technical requirements；
（2）Mix type and aggregate grading scope are determined, as shown in Fig. 2 the mix type includes AC（Suspend closely knit Type）、SMA（Framework compact type）、OGFC（Skeleton air gap type）, and correspondence typical grading AC-13 types, SMA-13 types, OGFC-13 The graduation band of type；
（3）As shown in figure 3, using Monte carlo algorithm, in the range of mixture gradation, utilizing particle stream Software Create high-volume Virtual test specimen（AC-13 types, SMA-13 types, OGFC-13 types）；
（4）The surface profile feature of the virtual test specimen is evaluated using power spectral density or fractal theory method；
（5）The virtual test specimen model of some representative contour features is selected, by test specimen mode input 3D printer, reselection is closed Suitable printed material loads 3D printing head, according to model copy and customization test specimen (see Fig. 4), and the representative surface profile is special The test specimen model levied specifically refers to that surface profile is abundant, aggregate is uniform, the test specimen that fractal dimension is higher or surface roughness is larger Model, the suitable printed material is type and the same or like material of asphalt mechanical property；
（6）Antiskid and noise and antiskid and noise level by accelerated loading simulated test test test specimen is with load action Several changes (see Fig. 5)；
（7）By accelerating and loading test data analysis, the test specimen for meeting pavement skid resistance and noise construction demand is filtered out, is drawn full The optimum mix that sufficient road surface construction needs；
（8）Carry out trial section project, the antiskid of tracing detection experiment road section surface and noise according to test specimen compound optimum mix Level, carries out engineering evaluation.
Human and material resources and time that the present invention can be saved required for a large amount of indoor and outdoor tests, it is reproducible special with printing The test specimen for determining surface profile feature carries out experimental design, and makes it possible road surface construction optimization design, available for each etc. Level highway and urban road surfaces Computer Aided Design, with significant technology, economic and social benefit.
The above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not to the present invention Embodiment restriction.For those of ordinary skill in the field, it can also make on the basis of the above description Other various forms of variations.There is no necessity and possibility to exhaust all the enbodiments.It is all the present invention spirit and Any modifications, equivalent substitutions and improvements made within principle etc., should be included in the claims in the present invention protection domain it It is interior.

Claims (5)

1. a kind of method of application 3D printing technique auxiliary road surface construction design, it is characterised in that comprise the following steps：
（1）According to surface structure design studies needs, the quality and technical index gathered materials is evaluated by gathering materials experiment, selection is met Bituminous pavement top technical requirements are gathered materials；
（2）Determine mix type and aggregate grading scope；
（3）Using Monte carlo algorithm, in the range of mixture gradation, the large batch of virtual examination of particle stream Software Create is utilized Part；
（4）Evaluate the surface profile feature of the virtual test specimen；
（5）The virtual test specimen model of representative contour feature is selected, by test specimen mode input 3D printer, reselection is suitable Printed material loads 3D printing head, according to model copy and customization test specimen；
（6）Antiskid and noise and antiskid and noise level by accelerated loading simulated test test test specimen is with load action Several changes；
（7）By accelerating and loading test data analysis, the test specimen for meeting pavement skid resistance and noise construction demand is filtered out, is drawn full The optimum mix that sufficient road surface construction needs；
（8）Carry out trial section project, the antiskid of tracing detection experiment road section surface and noise according to test specimen compound optimum mix Level, carries out engineering evaluation.
2. the method according to claim 1, it is characterised in that：Step（1）In, it is described gather materials by screening, crush values, Grain corner gathers materials the quality and technical index that test evaluation gathers materials.
3. the method according to claim 1, it is characterised in that step（1）In, the mix type include AC, SMA、OGFC。
4. according to claim 1 methods described, it is characterised in that step（4）In, using power spectral density or fractal theory side Method evaluates the surface profile feature of the virtual test specimen.
5. according to claim 1 methods described, it is characterised in that step（5）In, the suitable printed material be type with The same or like material of asphalt mechanical property.
CN201710320940.2A 2017-05-09 2017-05-09 Method for assisting pavement surface structure design by applying 3D printing technology Expired - Fee Related CN107330135B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109191571A (en) * 2018-09-30 2019-01-11 华南理工大学 A method of gather materials using 3D printing technique preparation mechanical test standard

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160101617A1 (en) * 2014-10-10 2016-04-14 Charles J. Kulas Fused deposition modeling including color applied to a deposited bead
CN105908609A (en) * 2016-04-21 2016-08-31 东南大学 Pavement 3D printing device and application thereof
CN106710434A (en) * 2017-02-28 2017-05-24 山东大学 3D printed water-permeable pavement scale simulation device and method under action of runoff

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160101617A1 (en) * 2014-10-10 2016-04-14 Charles J. Kulas Fused deposition modeling including color applied to a deposited bead
CN105908609A (en) * 2016-04-21 2016-08-31 东南大学 Pavement 3D printing device and application thereof
CN106710434A (en) * 2017-02-28 2017-05-24 山东大学 3D printed water-permeable pavement scale simulation device and method under action of runoff

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109191571A (en) * 2018-09-30 2019-01-11 华南理工大学 A method of gather materials using 3D printing technique preparation mechanical test standard
CN109191571B (en) * 2018-09-30 2023-09-12 华南理工大学 Method for preparing mechanical test standard aggregate by applying 3D printing technology

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