WO2023246476A1 - Portique de circulation intégré multifonctionnel modulaire, et procédé de conception et procédé de montage associés - Google Patents

Portique de circulation intégré multifonctionnel modulaire, et procédé de conception et procédé de montage associés Download PDF

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Publication number
WO2023246476A1
WO2023246476A1 PCT/CN2023/098213 CN2023098213W WO2023246476A1 WO 2023246476 A1 WO2023246476 A1 WO 2023246476A1 CN 2023098213 W CN2023098213 W CN 2023098213W WO 2023246476 A1 WO2023246476 A1 WO 2023246476A1
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WO
WIPO (PCT)
Prior art keywords
traffic
gantry
adjustment
section
column
Prior art date
Application number
PCT/CN2023/098213
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English (en)
Chinese (zh)
Inventor
黄李骥
刘晓东
李广平
张革军
么超逸
崔瑾
李正熔
徐志民
李陆蔚
李延
Original Assignee
中交公路规划设计院有限公司
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Filing date
Publication date
Application filed by 中交公路规划设计院有限公司 filed Critical 中交公路规划设计院有限公司
Priority to AU2023286473A priority Critical patent/AU2023286473A1/en
Publication of WO2023246476A1 publication Critical patent/WO2023246476A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/696—Overhead structures, e.g. gantries; Foundation means specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/02—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/623—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection
    • E01F9/646—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection extensible, collapsible or pivotable
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/42—Foundations for poles, masts or chimneys
    • 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
    • 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
    • G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T19/00—Devices providing for corona discharge
    • H01T19/04—Devices providing for corona discharge having pointed electrodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Definitions

  • the invention relates to the technical field of traffic gantry, and in particular to a modular multi-functional integrated traffic gantry, a design method, and an installation method.
  • the existing technology takes a long time to construct traffic gantry on traffic roads. Taking a 100km highway as an example, if an interchange is set up for 10km, a total of 85 sets of sign traffic gantry and electromechanical traffic gantry need to be arranged. At present, the largest domestic gantry manufacturer can produce 30 sets of gantry in one month, and it takes about 3 months to produce 85 sets of gantry. The above time is only the time required for processing by the manufacturer. During the construction of the traffic gantry, the structure of the traffic gantry can only be made after the foundation pit and foundation are completed. This is due to reasons such as construction personnel and construction accuracy, and the location of the designed foundation pit. There are errors in the actual construction with the actual measured foundation pit positions.
  • the existing traffic mast installation consumes a lot of time, and the installation of the traffic mast requires temporary road closure. If the mast is installed on a road with a large traffic flow, it will cause traffic congestion and seriously affect the traffic of vehicles.
  • the traffic mast is The construction time is particularly important. At the same time, there is no modular traffic mast structure in the existing technology, and unified design cannot be achieved. The design of the traffic mast needs to take into account parameters such as lane span, wind speed, load, etc. These parameters will have an impact on the traffic mast. As a result, the traffic gantry of each section of road needs to be designed separately. Currently, there are no unified standards and specifications. The design and construction of traffic gantry across the country consumes a lot of energy and time for the entire transportation industry personnel.
  • a modular multi-functional integrated traffic portal frame which includes multiple modules: foundation, columns, adjustment sections and cross beams.
  • the foundation is used to be set on both sides of the road, the columns are used to connect to the top of the foundation, and the bottom of the adjustment section is used to connect At the top of the column, the adjustment section is used to connect the cross beam laterally.
  • the cross beam includes multiple standard cross beam sections. From the middle to both ends of the cross beam, the cross-sectional size of the standard cross beam section decreases or increases.
  • a unified traffic gantry standard product is formed.
  • traffic gantry structures of various sizes, spans and load-bearing loads are provided, and the adjustment section Specifications of different lengths and cross-section sizes can be selected according to site conditions.
  • the beams can be selected according to Different quantities and specifications are selected according to the on-site conditions to adapt to various lane spans, so that the traffic gantry can be matched with the road construction conditions.
  • the modules of traffic gantry can be processed and produced in advance according to the design data. During construction, they can be directly selected and used from the standard product library of traffic gantry. Before construction, Simply select and adjust the length of the adjustment section.
  • the adjustment section is not a fixed length and cross-sectional size.
  • the adjustment section has a variety of specifications to choose from. You can adjust and adapt the span of the traffic mast by selecting different specifications.
  • the adjustment sections of various specifications have different lengths and heights. The difference is that the columns have a variety of height and cross-section specifications.
  • the height of the traffic portal can be adjusted, which can be determined according to the construction and installation site.
  • the adjustment section is the last section of the structure that interconnects the beams and columns. This section of the structure Often due to differences in the location of the foundation and installation height requirements, the size of the last section of the structure is often different. That is, structures of different sizes are used to adapt to the installation needs of the traffic mast. This structure is called an adjustment section.
  • the above-mentioned standard cross-beam sections have grading specifications of multiple cross-sectional sizes, and the standard sections of different cross-beams are equal in length.
  • the standard cross-beam sections include cross-beam chords, cross-beam diagonal bars, cross-beam straight bars and cross-beam butt ends. Multiple beam chords are arranged in parallel and at intervals. The two ends of the beam chords are respectively provided with beam butt ends. The two ends of the beam diagonal beam and the beam straight beam are respectively connected to adjacent beam chords; different specifications of the cross-section can be changed through the standard section of the beam , after splicing, it can provide a variety of traffic gantry spans.
  • Each traffic gantry has different spans and load-bearing capacities, and can adapt to the design and construction of traffic gantry under different road conditions; through the setting of standard sections of beams, it provides The structure that makes up the cross beams realizes the adjacent cross beams through the butt ends of the cross beams.
  • the above-mentioned adjustment section has graded specifications of various lengths and cross-sectional sizes.
  • the adjustment section includes an adjustment chord, an adjustment column, an adjustment straight rod, an adjustment oblique rod and an adjustment butt end.
  • the adjustment chord is connected To the adjusting column, the top and bottom ends of the adjusting column and the cantilevered end of the adjusting chord are respectively provided with adjusting docking ends.
  • the two ends of the adjusting straight rod and the adjusting inclined rod are respectively connected to the adjacent adjusting chord; through the different adjustment sections Specification setting, the adjustment section can make up for and adjust the difference between the span of the traffic mast and the length of the beam, adapt to traffic masts with different lane spans, and thus adapt to the design and construction of traffic masts under different road conditions.
  • the adjusting column fixes the cross beam on the top of the column.
  • By adjusting the straight rod and adjusting the inclined rod it can meet the structural strength requirements of the traffic mast.
  • By adjusting the butt end it can be connected to the standard section of the cross beam.
  • the above-mentioned modular multi-functional integrated traffic gantry is divided into two traffic gantry types: sign traffic gantry and electromechanical integrated traffic gantry.
  • the cross beams of the sign traffic gantry are used to install signs.
  • Boards and beams of mechatronic traffic gantry are used to install electromechanical equipment.
  • the electromechanical equipment is at least one of cameras, ETC and 5G base stations; through the classification of traffic gantry, it conforms to the existing traffic gantry usage conditions and can be combined In order to mark the traffic mast and the electromechanical integrated traffic mast, it meets the installation requirements of the ancillary equipment on the mast.
  • foundation pits are excavated on both sides of the road, and a foundation is set in the foundation pit.
  • the foundation is made of concrete
  • step S13 includes:
  • Figure 2 is a schematic diagram of the connection between the foundation, columns and adjustment sections of the present invention.
  • Figure 3 is a front view of the adjustment section of the present invention.
  • Figure 5 is a schematic diagram of the connection between the adjustment section and the cross beam of the present invention.
  • Figure 7 is a front view of the standard section of the beam of the present invention.
  • Figure 9 is a schematic diagram of the finite element model calculation results of the modular multi-functional integrated traffic mast of the present invention.
  • FIG 11 is a schematic diagram of the steps for installing each module of the traffic mast according to the present invention.
  • the foundation 1 can be cast-in-place or prefabricated and is a block structure made of concrete. It is generally a block structure.
  • the foundation 1 is located on both sides of the road to support and stabilize the traffic portal.
  • the role of the column 2 is connected to the top of the foundation 1.
  • the column 2 includes a column straight rod 22, a column vertical rod 21, a column inclined rod 23 and a column butt end 24.
  • the above components are rods, and the adjustment section 3 and the cross beam 4 include each
  • the components are also rods, and the column 2 is a frame structure as a whole.
  • the connection method between the components of the column 2 is welding, which is formed when leaving the factory.
  • the adjustment section 3 and the beam standard section 41 also use the same connection method; the two columns are vertically connected.
  • anchor bolts are used to pass through the bolt holes to fix the bottom end of the column vertical rod 21 on the top of the foundation 1.
  • the column butt end 24 at the top of the column vertical rod 21 is used to connect with the adjustment section 3 through the column. 2 can provide the foundation structure on both sides of the traffic mast.
  • the adjustment section 3 is used to adjust the difference between the span of the cross beam 4 of the traffic gantry and the actual foundation pit spacing, so that the span of the traffic gantry can be aligned with the distance of the road. Matching the actual construction conditions, the adjustment section 3 is connected to the top of the column 2, and the adjustment section 3 is laterally connected to the end of the beam 4.
  • the two adjusting columns 31 are connected to two adjusting chords 32, thus forming four adjusting chords 32 that are parallel to each other in space, forming a cuboid structure.
  • the four adjusting chords 32 are located exactly on the four parallel sides of , and the upper and lower adjusting chords 32 are divided into adjusting Chord one 32 and adjustment chord two 32.
  • Adjustment chord one 32 is the adjustment chord 32 located above the spatial relationship of the adjustment section 3
  • adjustment chord two 32 is the adjustment chord 32 located below the spatial relationship of the adjustment section 3. .
  • the cantilevered ends of the adjusting chords 32 are respectively provided with adjusting docking ends 35.
  • the adjusting docking ends 35 adopt flanges.
  • the adjusting docking ends 35 and the beam docking ends 414 at both ends of the beam 4 are connected and fixed by flanges and bolts;
  • the two ends of the straight rod 33 and the adjusting inclined rod 34 are respectively connected to the adjacent adjusting chord rods 32.
  • the two adjusting inclined rods 34 are arranged crosswise into an The side of the adjusting chord 32, and the two ends of the adjusting straight rod 33 are respectively connected to two adjacent adjusting chords 32, and the connection position is close to the cantilevered end of the adjusting chord 32, so that the upper, lower, left and right sides of the above-mentioned cuboid structure
  • It has an adjusting inclined bar 34 and a cross-set adjusting inclined bar 34; the cross beam 4 is fixed on the top of the column 2 by adjusting the chord bar 32 and the adjusting column 31, and the structure of the traffic mast can be satisfied by adjusting the straight bar 33 and the adjusting inclined bar 34 According to the strength requirement, it can be connected with the standard section 41 of the beam by adjusting the butt end 35.
  • the crossbeam 4 is connected to the adjustment docking ends 35 on both sides of the road.
  • the crossbeam 4 includes multiple crossbeam standard sections 41.
  • the length of each crossbeam standard section 41 is equal.
  • the entire crossbeam 4 is composed of multiple crossbeam standard sections 41.
  • the cross-beam standard sections 41 are spliced together.
  • the cross-sectional size of the cross-beam standard section 41 decreases from the middle to both ends of the cross-beam 4. In the case of multiple sections, the cross-sectional size of the cross-beam standard section 41 near the middle of the cross-beam 4 is larger than that near the two ends of the cross-beam 4.
  • the cross-sectional size of the cross-beam standard section 41 in which the cross-sectional sizes of the multi-section cross-beam standard sections 41 near the middle of the cross-beam 4 can be the same, that is, the cross-sectional size does not decrease section by section.
  • the structure of the cross-beam 4 is provided.
  • the variable cross-section setting of the cross-beam standard section 41 the cross-section size of the middle section of the cross-beam 4 is larger, and the cross-section size of both ends of the cross-beam 4 is smaller, realizing the variable cross-section size, which can meet the structural strength requirements of the traffic mast.
  • variable cross-section method of the beam 4 can also be set as: from the middle to both ends of the beam 4, the standard section of the beam
  • the cross-sectional size of 41 increases.
  • the cross-sectional size of the cross-beam standard section 41 near both ends of the cross-beam 4 is larger than the cross-sectional size of the cross-beam standard section 41 near the middle of the cross beam 4; it can be set at the top of the multi-section cross beam standard section 41
  • There is an inspection channel 5. Both sides of the inspection channel 5 are guardrails welded on the top of the beam standard section 41 to facilitate construction protection.
  • the length of the beam standard section 41 is 4m, that is, every 4 meters is a section.
  • the beam standard section 41 includes the beam chord.
  • Rod 411, crossbeam diagonal bar 412, crossbeam straight bar 413 and crossbeam butt end 414, the cross-sectional dimensions of the crossbeam standard section 41 in different sections are different, that is, in different sections, the crossbeam chord bar 411, crossbeam diagonal bar 412 and crossbeam straight bar 413
  • the cross-section dimensions are set differently.
  • the two ends of the cross-beam chord 411 are respectively provided with cross-beam butt ends 414.
  • the cross-beam butt ends 414 realize the connection of the adjacent cross-beam standard section 41 and the connection of the adjustment section 3 and the cross-beam standard section 41.
  • the four beam chords 411 are arranged in parallel and at intervals.
  • the distance between the upper and lower beam chords 411 is 2m.
  • the four beam chords 411 constitute the four sides of the cuboid structure.
  • Each section of the beam The central axes of the four beam chords 411 of the standard section 41 and the central axis of the adjusting chord 32 of the adjustment section 3 are located on the same straight line, that is, all the beam chords 411 are coaxially arranged with the corresponding adjusting chords 32; the beam is straight
  • the two ends of 413 are respectively connected to the end position and the middle position of the adjacent crossbeam chord 411.
  • the crossbeam straight rod 413 and the crossbeam chord 411 are perpendicular to each other.
  • crossbeam straight rods 413 there are three crossbeam straight rods 413 between the two adjacent crossbeam chords 411.
  • a frame structure is formed on the upper, lower, left and right sides of the above-mentioned cuboid structure.
  • cross-beam diagonal rods 412 there are cross-beam diagonal rods 412 between adjacent cross-beam straight rods 413.
  • Two cross-beam diagonal rods are provided. Both ends of 412 are respectively connected to adjacent beam chords 411.
  • the two beam diagonal bars 412 are symmetrical with respect to the crossbeam straight bar 413 in the middle position.
  • the amount of material used reduces the weight of the entire traffic mast, and the hoisting and assembly of the cross beam 4 is more convenient; the difference between the span of the traffic mast and the length of the cross beam 4 can be adjusted through the adjustment section 3 to adapt to different lane spans and columns. 2.
  • the different specifications of the adjustment section 3 and the beam standard section 41, after combination, can provide a variety of traffic portals. Each traffic portal has different heights, spans and load-bearing capacities, and can adapt to traffic portals under different road conditions. Rack design and construction.
  • the beam 4 of the electromechanical integrated traffic mast reserves installation positions for traffic police speed measuring equipment, 5G base stations, etc.; the traffic of this embodiment
  • the classification of through-gantry is in line with the existing usage of traffic gantry, and can be combined into sign traffic gantry and electromechanical integrated traffic gantry to meet the installation requirements of ancillary equipment on the gantry; the above-mentioned sign traffic gantry and electromechanical integrated traffic gantry
  • the integrated traffic mast is obtained by combining various specifications of the traffic mast.
  • the column 2, the adjustment section 3 and the beam 4 are all arranged in grades.
  • the column 2 has graded specifications of various heights and cross-section sizes.
  • the column vertical rod 21 has 7 sizes
  • the size specifications are ⁇ 356 ⁇ 25mm, ⁇ 356 ⁇ 20mm, ⁇ 356 ⁇ 16mm, ⁇ 356 ⁇ 12mm, ⁇ 356 ⁇ 10mm, ⁇ 273 ⁇ 8mm and ⁇ 219 ⁇ 8mm
  • the traffic gantry The structure and foundation 1 should be standardized based on the different technical standards (such as the number of lanes, design speed, etc.) and regional characteristics of the main project, and should be combined with changes in bridge guardrails, fills, excavations, central and roadside facilities where the facilities are located, Adjustable; the span of the sign traffic mast includes the distance across half of the two-way four lanes, the distance across half of the two-way six lanes, the distance across half of the two-way eight lanes, the distance across the full width of the two-way four lanes, and the distance across the full width of the two-way six lanes.
  • the surface category is divided into four categories: A, B, C, and D according to the roughness.
  • the surface category in this embodiment is A.
  • the equivalent static gust wind speed range The wind load is determined based on the gust speed range.
  • the basic wind speed value is converted into the equivalent static gust wind speed value corresponding to the surface category, and the equivalent static gust wind speed value is converted into the wind load.
  • the three ranges of the design reference wind speed are It is divided into: (0m/s, 35m/s], (35m/s, 45m/s] and (45m/s, 55m/s].
  • the temperature load is calculated based on the overall temperature rise and fall of the traffic gantry by 50°; by taking the load that the traffic gantry can withstand during use into the design plan in advance, the actual use and use of the traffic gantry can be satisfied.
  • the material specifications for manufacturing the traffic gantry select the structural form of the column 2, the adjustment section 3 and the beam 4; when selecting the structural form, the size of each module of the traffic gantry should be considered for convenient transportation, and long and large modules should be segmented. In the way of processing and assembly, the modules should adopt commonly used specifications and sizes. There should not be too many types of rods and should be classified into similar sizes to facilitate material procurement. Prefabrication and assembly should be considered for the foundation 1 of a suitable scale to facilitate rapid construction on site; structural form The selection must also be based on economy. The entire process of material procurement, production, installation, and maintenance of the structure and foundation should be considered, and the design should be carried out from the perspectives of material saving, convenience in procurement, production, and installation, and reuse.
  • the dimensions and specifications are: the column vertical rod 21 is ⁇ 356 ⁇ 25mm, the column inclined rod 23 is ⁇ 219 ⁇ 8mm, the column straight rod 22 is ⁇ 89 ⁇ 4mm, the adjusting column 31 is ⁇ 356 ⁇ 25mm, and the adjusting chord 32 is ⁇ 325 ⁇ 10mm and ⁇ 356 ⁇ 25mm, the adjusting inclined rod 34 is ⁇ 168 ⁇ 6mm, the adjusting straight rod 33 is ⁇ 89 ⁇ 4mm, the crossbeam chord 411 is ⁇ 325 ⁇ 10mm, the crossbeam inclined rod 412 is ⁇ 168 ⁇ 6mm and ⁇ 89 ⁇ 4mm, the crossbeam straight rod 413 is ⁇ 89 ⁇ 4mm.
  • step S9 Substitute several merged sets obtained in step S8 into the finite element model in step S7 for iterative calculation, and use the module merged set that meets the traffic mast type requirements, the iterative calculation of step S7, and the minimum material consumption as the final
  • the optimal set of modules corresponds to the column 2, the adjustment section 3 and the beam standard section 41, which are used as the standard modules of the traffic gantry; through the iterative calculation of merging, the traffic gantry can be formed
  • the merged set of each module selects each module of the traffic gantry that is suitable for the parameters of the construction scene.
  • Foundation 1 is made of concrete
  • step S13 includes:
  • step S10 and step S11 may be interchanged or performed synchronously.

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Abstract

La présente invention est appliquée au domaine technique des portiques de circulation. L'invention concerne un portique de circulation intégré multifonctionnel modulaire, et un procédé de conception et un procédé de montage associés. Le portique de circulation comprend des modules classés comme : des fondations, des colonnes de support, des sections de réglage et une traverse ; la traverse est assemblée par une pluralité de sections standard de traverse ; deux extrémités de la traverse sont reliées aux sections de réglage ; et les colonnes de support sont reliées aux fonds des sections de réglage, de telle sorte que le portique de circulation croisant une voie est formé. Dans le procédé de conception, pour différentes portées de voie, des modules classés sont conçus, et des modules, qui satisfont des exigences de type fonction et présentent des résultats de calcul de modèle optimal et de quantité d'utilisation de matériau, sont préférés. Dans le procédé de montage, au moyen de la modularisation d'un portique de circulation et de différentes spécifications de classement, les exigences de montage de différentes portées et différentes charges sont satisfaites. Au moyen du portique de circulation et du procédé de conception et du procédé de montage associés, tous les modules du portique de circulation peuvent être combinés de manière pratique, s'adaptant ainsi à de multiples portées de voie et à différentes charges ; et le portique de circulation peut être mis en correspondance avec la situation de construction de site d'une route de manière pratique, et peut être préfabriqué et assemblé rapidement, ce qui permet d'améliorer l'efficacité de montage.
PCT/CN2023/098213 2022-06-21 2023-06-05 Portique de circulation intégré multifonctionnel modulaire, et procédé de conception et procédé de montage associés WO2023246476A1 (fr)

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CN202210704184.4A CN114855667B (zh) 2022-06-21 2022-06-21 一种模块化多功能一体化交通门架及设计方法、安装方法
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CN114855667B (zh) * 2022-06-21 2023-07-25 中交公路规划设计院有限公司 一种模块化多功能一体化交通门架及设计方法、安装方法

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