CN108914792B - Construction method of highway-railway parallel section protection device - Google Patents
Construction method of highway-railway parallel section protection device Download PDFInfo
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- CN108914792B CN108914792B CN201810738819.6A CN201810738819A CN108914792B CN 108914792 B CN108914792 B CN 108914792B CN 201810738819 A CN201810738819 A CN 201810738819A CN 108914792 B CN108914792 B CN 108914792B
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- 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
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/06—Anti-dazzle arrangements ; Securing anti-dazzle means to crash-barriers
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- 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
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/02—Snow fences or similar devices, e.g. devices affording protection against sand drifts or side-wind effects
- E01F7/025—Devices specially adapted for protecting against wind, e.g. screens, deflectors or attenuators at tunnel or lock entrances
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- 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
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0017—Plate-like elements
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- 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
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0023—Details, e.g. foundations
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- 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
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0029—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with porous surfaces, e.g. concrete with porous fillers
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- 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
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a construction method of a highway and railway parallel section protection device, which comprises the following steps of A, arranging a reinforcement cage for isolating a foundation between highway and railway parallel sections, connecting the reinforcement cage to a foundation structure of the highway and railway parallel sections, arranging a template to pour the reinforcement cage to form the isolating foundation, and arranging an embedded part on the isolating foundation; processing a protection plate, wherein the protection plate comprises two base plates with transparent structures, the shapes and the sizes of the base plates are consistent, and a one-way light-transmitting film is attached to at least one base plate to enable the protection plate to be a one-way light-transmitting structural member on the side of a highway and a railway; drilling a plurality of through holes in each substrate, wherein all the through holes in one substrate are staggered relative to all the through holes in the other substrate; connecting two base plates to the mounting frame, wherein the two base plates are oppositely arranged, and a gap is formed between the two base plates; e, maintaining and forming the isolation foundation, and connecting the mounting frame to the embedded part to enable the protection plate to be arranged on the isolation foundation.
Description
Technical Field
The invention relates to the field of traffic, in particular to a construction method of a highway and railway parallel section protection device.
Background
With the rapid development of national economy, the traffic flow is increased rapidly, and in recent years, the construction of high-speed railways, expressways, urban municipal roads and urban rail traffic is greatly accelerated by the nation; because of the shortage of land resources and the scarcity of traffic corridors in China, highway and railway parallel road sections often appear.
On a parallel section of a railway and a highway (namely, the railway and the highway are connected in a parallel design, and the heights of the railway and the highway are positioned on the same plane, or the height difference between the railway and the highway is less than 3m or less), when a high-speed train runs, glare influence on vehicles running at an adjacent high speed can be generated, the running safety of the highway is threatened, and the running safety can also be threatened by driving distraction caused by factors such as pneumatic impact, noise and the like of the parallel section of the highway and the railway, so that traffic operation safety problems such as collision, glare, parabolic movement, isolation, limit intrusion and the like which are generated in parallel of the highway and.
Disclosure of Invention
The invention aims to overcome the defects that the traffic operation safety problems such as collision, glare, parabolic, isolation, limit intrusion and the like which are caused by parallel highway and railway in the prior art are increasingly prominent, and provides a construction method of a highway-railway parallel section protection device.
In order to achieve the above purpose, the invention provides the following technical scheme:
a construction method of a highway-railway parallel section protection device comprises the following steps:
A. arranging a reinforcement cage of an isolation foundation between the parallel sections of the highway and the railway, connecting the reinforcement cage to a foundation structure of the parallel sections of the highway and the railway, arranging a template to pour the reinforcement cage to form the isolation foundation, and arranging an embedded part on the isolation foundation;
B. processing a protection plate, wherein the protection plate comprises two base plates with transparent structures, the shapes and the sizes of the base plates are consistent, and a one-way light transmission film is attached to at least one base plate, so that the protection plate becomes a one-way light transmission structural member on the side of a highway and a side of a railway;
C. drilling a plurality of through holes in each substrate, wherein all the through holes in one substrate are staggered relative to all the through holes in the other substrate;
D. connecting the two base plates to a mounting frame, wherein the two base plates are oppositely arranged, and a gap is formed between the two base plates;
E. and after the isolation foundation is maintained and molded, connecting the mounting frame to the embedded part, so that the protection plate is arranged on the isolation foundation.
Because the side of the highway is one-way transparent to the side of the railway, the train passengers can have better visual field and can enjoy the scenery on the two sides, simultaneously avoids the glare influence of train lamps on the automobile driver, ensures the driving and operating safety, effectively ensures the one-side light-proof and anti-glare by staggered holes, even if light passes through the through hole, the light quantity is extremely low, the influence is small, sound waves generated by train running rub in the through hole and the gap to consume sound energy when being transmitted, the resonance frequency of the sound waves is controlled, the protection plate has stronger sound absorption effect, the ventilation surface is effectively increased on the premise of ensuring the anti-dazzle and sound insulation effects by staggered hole opening, and the ventilation surface has good flow capacity, the wind-resistant and wind-dispelling structure has good wind-resistant and wind-dispelling performance under the action of train aerodynamic force and transverse wind force, reduces the windward area of the structure, and effectively improves the basic stress state of the protective device; the protection device is positioned between road sections which are adjacent to and arranged in parallel to a road and a railway, and the road and the railway are arranged in parallel in a mode of comprising a roadbed and a roadbed, a bridge and a bridge or the roadbed and the bridge.
By adopting the construction method of the highway and railway parallel section protection device, the isolation foundation can effectively prevent vehicles and pedestrians from entering railway limits, personal safety and train running safety are ensured, throwing objects are effectively prevented from entering the highway or railway limits, running safety is ensured, the protection plate arranged on the isolation foundation is used for supporting the protection plate, the mounting frame plays a role in supporting the protection plate, the integral rigidity of the structure is improved, the whole structure jointly bears the functions of throwing prevention and isolation, the protection plate effectively avoids the glare influence of the train on the vehicles running at a high speed nearby, the highway running safety is ensured, the driving distraction of the highway vehicles caused by factors such as pneumatic impact and noise is effectively avoided, and the running safety is ensured The optical performance and the corrosion resistance have the advantages of light weight, low cost and the like, the good durability can ensure the operation safety of railways and highways for a long time, and the maintenance is convenient.
Preferably, the isolation foundation is designed to have the same life as the underlying infrastructure to which it is attached, i.e., a full life cycle design.
Preferably, the embedded part comprises an embedded bolt and a flange plate.
Preferably, the embedded part is a stainless steel structural part.
Preferably, in the step D, the two base plates are embedded in the mounting frame, so that the protection plate is tightly combined with the mounting frame.
Preferably, the mounting bracket is door type frame, be equipped with two draw-in grooves on every limit inboard of door type frame, the width adaptation of draw-in groove the thickness of base plate, the base plate joint in the draw-in groove makes the guard plate joint in door type frame.
In this way, the mounting frame and the protection plate can be quickly disassembled and replaced.
Preferably, one of the base plates in the protection plate is a one-way light-transmitting structural member on the side of the highway and the side of the railway, the other base plate is a transparent structural member, or the two base plates are both one-way light-transmitting structural members on the side of the highway and the side of the railway.
Preferably, the transparent structural member is a PC strength plate, a PMMA (Polymethyl methacrylate) plate or a glass plate, and has good sound insulation, mechanical, thermal, optical and corrosion resistance properties, light weight, low cost and other advantages.
Preferably, in the step E, a mounting groove is formed in the isolation foundation, the width of the mounting groove is adapted to the thickness of the mounting frame, and the mounting frame is clamped in the mounting groove.
Preferably, a double-electric-net foreign matter monitoring device is arranged on the mounting frame.
The double-power-grid foreign matter monitoring device comprises a foreign matter invasion double-power-grid sensor arranged in the mounting rack, and double-power-grid monitoring technology is characterized in that two ends of two insulated wires are respectively connected with a transmitter and a receiver which use analog low-frequency signals with different frequencies and are respectively responsible for transmitting and receiving real-time signals; when only one receiver receives the signal, the signal indicates that one wire is cut off, and then the signal sends out prompt early warning information: when the two receivers do not receive the signals, the two leads are cut off at the same time, and alarm information is generated immediately. The function can timely generate early warning and alarming information under the conditions of collision and damage to the protection device of automobiles, pedestrians and the like, timely stop the railway, effectively guarantee the railway driving safety, and avoid personal injuries and deaths and economic losses.
Preferably, after the step D is executed, the light reflecting strips are attached to the side of the road on the mounting frame, and then the step E is executed, the light reflecting strips can reflect surrounding light at night, so that certain guiding and warning effects are achieved for pedestrians and drivers of the road.
Preferably, the mounting bracket is a stainless steel structural member.
Preferably, sound-absorbing material structural members are arranged at the upper end and the lower end of the gap.
Preferably, in the step C, the aperture ratio of each substrate is 5% to 10%.
Preferably, the aperture ratio of the two base plates is equal, and the ventilation flow of the two base plates is consistent.
Preferably, all of the through-hole diameters on the board on the iron side are equal to all of the through-hole diameters on the board on the male side.
By adopting the structure, the protection plate is convenient to design, process, store, circulate and install.
Preferably, all the through holes on each substrate are arranged in an array.
Preferably, the diameter of the through hole is 3mm-9 mm.
Preferably, the height of the isolation foundation is 0.7m to 1.3 m.
The isolation foundation has quite high mechanical strength and rigidity to resist the impact force of the vehicle, and the rigidity is controlled within a reasonable range so as to prevent passengers from being seriously injured and mainly undertake an anti-collision function.
Preferably, the height of the guard is 2.2m to 5.0 m.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
by applying the construction method of the highway and railway parallel section protection device, the isolation foundation can effectively prevent vehicles and pedestrians from entering railway limits, personal safety and train running safety are guaranteed, throwing objects are effectively prevented from entering the highway or railway limits, running safety is guaranteed, the protection plate arranged on the isolation foundation is used for supporting the protection plate, the mounting frame plays a role in supporting the protection plate, the integral rigidity of the structure is improved, the whole structure jointly plays a role in throwing prevention and isolation, the protection plate effectively avoids the glare influence of the train on vehicles running at a high speed nearby, the highway running safety is guaranteed, driving distraction of the highway vehicles caused by factors such as pneumatic impact and noise is effectively avoided, and the running safety is guaranteed The optical performance and the corrosion resistance have the advantages of light weight, low cost and the like, the good durability can ensure the operation safety of railways and highways for a long time, and the maintenance is convenient.
Drawings
FIG. 1 is a schematic position diagram of a protection device installed in a construction method of a highway and railway parallel section protection device according to the invention;
FIG. 2 is a schematic structural view of the guard;
FIG. 3 is a side view of the structure of FIG. 2;
FIG. 4 is a schematic structural view of the base plate on the railway side;
FIG. 5 is a schematic structural view of the base plate on the road side;
fig. 6 is a schematic structural view of the guard plate.
The labels in the figure are: 1-isolation foundation, 2-protection plate, 21-base plate, 22-gap, 23-through hole and 3-mounting frame.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should be understood that the scope of the above-described subject matter is not limited to the following examples, and any techniques implemented based on the disclosure of the present invention are within the scope of the present invention.
Examples
As shown in fig. 1 to 6, the construction method of the highway-railway parallel section protection device of the invention comprises the following steps:
A. arranging a reinforcement cage of an isolation foundation 1 between the parallel sections of the highway and the railway, connecting the reinforcement cage to a foundation structure of the parallel sections of the highway and the railway, arranging a template to pour the reinforcement cage to form the isolation foundation 1, and arranging an embedded part on the isolation foundation 1;
B. processing a protection plate 2, wherein the protection plate 2 comprises two base plates 21 with transparent structures and the shapes and the sizes of the base plates 21 are the same, and a one-way light transmission film is attached to at least one of the base plates 21, so that the protection plate 2 becomes a one-way light transmission structural member on the side of a highway and the side of a railway;
C. drilling a plurality of through holes 23 in each substrate 21, wherein all the through holes 23 on one substrate 21 are staggered relative to all the through holes 23 on the other substrate 21;
D. connecting two base plates 21 to the mounting frame 3, wherein the two base plates 21 are oppositely arranged, and a gap 22 is formed between the two base plates 21;
E. and after the isolation foundation 1 is maintained and molded, connecting the mounting frame 3 to the embedded part, so that the protection plate 2 is arranged on the isolation foundation 1.
Because the side of the highway is one-way transparent to the side of the railway, the train passengers can have better visual field and can enjoy the scenery on the two sides, simultaneously avoids the glare influence of train lamps on the automobile driver, ensures the driving and operating safety, effectively ensures the one-side light-proof and anti-glare by staggered holes, even if light passes through the through hole 23, the light quantity is extremely low, the influence is small, sound waves generated by train running rub in the through hole 23 and the gap 22 during transmission, the sound wave resonance frequency is controlled, the protection plate 2 has a strong sound absorption effect, the ventilation surface is effectively increased on the premise of ensuring the anti-dazzle and sound insulation effects by staggered hole opening, and the current passing capability is good, the wind-resistant and wind-dispelling structure has good wind-resistant and wind-dispelling performance under the action of train aerodynamic force and transverse wind force, reduces the windward area of the structure, and effectively improves the basic stress state of the protective device; the protection device is positioned between road sections which are adjacent to and arranged in parallel to a road and a railway, and the road and the railway are arranged in parallel in a mode of comprising a roadbed and a roadbed, a bridge and a bridge or the roadbed and the bridge.
As a preferred scheme of the present invention, the design life of the isolation foundation 1 is the same as that of the lower foundation structure connected with the isolation foundation, that is, the design of the whole life cycle is adopted; the embedded part comprises an embedded bolt and a flange plate, and is a stainless steel structural part.
In a preferred embodiment of the present invention, in the step D, two base plates 21 are embedded in the mounting rack 3, so that the protection plate is tightly combined with the mounting rack; the mounting frame 3 is a door-shaped frame, two clamping grooves are formed in the inner side of each edge of the door-shaped frame, the width of each clamping groove is matched with the thickness of the base plate 21, the base plate 21 is clamped in the clamping grooves, and the protection plate 2 is clamped in the door-shaped frame; in the protection plate 2, one substrate 21 is a one-way light-transmitting structural member on the side of the highway and the side of the railway, the other substrate 21 is a transparent structural member, or the two substrates 21 are both one-way light-transmitting structural members on the side of the highway and the side of the railway, the transparent structural member is a PC (polycarbonate) endurance plate, a PMMA (polymethyl methacrylate) plate or a glass plate, and the protection plate has good sound insulation performance, mechanical performance, thermal performance, optical performance and corrosion resistance, and has the advantages of light weight, low cost and the like.
As a preferable scheme of the present invention, in the step E, an installation groove is formed on the isolation foundation 1, the width of the installation groove is adapted to the thickness of the installation frame 3, and the installation frame 3 is clamped in the installation groove; the mounting frame 3 is provided with a double-power-grid foreign matter monitoring device which comprises a foreign matter invasion double-power-grid sensor arranged in the mounting frame, and the double-power-grid monitoring technology is characterized in that two ends of two insulated wires are respectively connected with a transmitter and a receiver which use analog low-frequency signals with different frequencies and are respectively responsible for transmitting and receiving real-time signals; when only one receiver receives the signal, the signal indicates that one wire is cut off, and then the signal sends out prompt early warning information: when the two receivers do not receive the signals, the two leads are cut off at the same time, and alarm information is generated immediately. The function can timely generate early warning and alarming information under the condition that automobiles, pedestrians and the like impact and damage the protective devices, timely stop the railway, effectively guarantee the railway driving safety, and avoid personal injuries and deaths and economic losses; and D, after the step D is executed, a light reflecting strip is attached to the road side of the mounting frame 3, then the step E is executed, the light reflecting strip can reflect surrounding light at night, and therefore certain guiding and warning effects are achieved for pedestrians and road drivers, and the mounting frame 3 is a stainless steel structural member.
In a preferred embodiment of the present invention, sound-absorbing material structural members are disposed at the upper and lower ends of the gap 22; in the step C, the aperture ratio of each substrate 21 is 5% to 10%, the aperture ratios of the two substrates 21 are equal, and the ventilation flow rates of the two substrates 21 are consistent; the diameters of all the through holes 23 on the base plate 21 on the railway side are equal to the diameters of all the through holes 23 on the base plate 21 on the public side, and by adopting the structure, the design, the processing, the storage, the circulation and the installation of the protection plate 2 are facilitated; all the through holes 23 on each substrate 21 are arranged in an array; the diameter of the through hole 23 is 3mm-9 mm.
As a preferable scheme of the present invention, the height of the isolation foundation 1 is 0.7m-1.3m, the isolation foundation 1 has relatively high mechanical strength and rigidity to resist the impact force of the vehicle, and the rigidity is controlled within a reasonable range to prevent passengers from being seriously injured, and mainly takes on an anti-collision function; the height of the guard is 2.2m-5.0 m.
By applying the construction method of the highway-railway parallel section protection device, the isolation foundation 1 can effectively prevent vehicles and pedestrians from entering railway limits, personal safety and train running safety are guaranteed, throwing objects are effectively prevented from entering the highway or railway limits, running safety is guaranteed, the protection plate 2 arranged on the isolation foundation 1 and the mounting rack 3 play a role in supporting the protection plate 2, the integral rigidity of the structure is improved, the whole structure jointly plays a role in throwing prevention and isolation, the protection plate 2 effectively avoids the influence of glare generated by the trains on vehicles running at a high speed nearby, the highway running safety is guaranteed, the driving distraction caused by factors such as pneumatic impact and noise on the highway vehicles is effectively avoided, and the running safety is guaranteed, the protection device obtained by the construction method has the functions of throwing prevention, anti-dazzle, anti-collision, isolation, sound insulation, ventilation and the like, and has good sound insulation performance, mechanical performance, anti-dazzle performance and the like, The heat performance, the optical performance and the corrosion resistance have the advantages of light weight, low cost and the like, the good durability can ensure the operation safety of railways and highways for a long time, and the maintenance is convenient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A construction method of a highway-railway parallel section protection device is characterized by comprising the following steps:
A. arranging a reinforcement cage of an isolation foundation (1) between the parallel sections of the highway and the railway, connecting the reinforcement cage to a foundation structure of the parallel sections of the highway and the railway, arranging a template to pour the reinforcement cage to form the isolation foundation (1), and arranging an embedded part on the isolation foundation (1);
B. processing a protection plate (2), wherein the protection plate (2) comprises two base plates (21) which are of transparent structures and have the same shape and size, and a one-way light transmission film is attached to at least one of the base plates (21) to enable the protection plate (2) to become a one-way light transmission structural member on the side of a highway and the side of a railway;
C. drilling a plurality of through holes (23) in each substrate (21), wherein all the through holes (23) on one substrate (21) are staggered relative to all the through holes (23) on the other substrate (21);
D. connecting the two base plates (21) to an installation frame (3), wherein the two base plates (21) are arranged oppositely, a gap (22) is formed between the two base plates (21), the two base plates (21) are embedded into the installation frame (3), the installation frame (3) is a door-shaped frame, two clamping grooves are arranged on the inner side of each edge of the door-shaped frame, the width of each clamping groove is matched with the thickness of the base plate (21), and the base plates (21) are clamped in the clamping grooves, so that the protection plate (2) is clamped in the door-shaped frame;
E. and (3) connecting the mounting frame (3) to the embedded part after the isolation foundation (1) is maintained and molded, so that the protection plate (2) is arranged on the isolation foundation (1).
2. The construction method of the parallel highway and railway section protection device according to claim 1, wherein in the step E, an installation groove is formed in the isolation foundation (1), the width of the installation groove is matched with the thickness of the installation frame (3), and the installation frame (3) is clamped in the installation groove.
3. The construction method of the parallel highway and railway section protection device according to claim 1, wherein a double-grid foreign matter monitoring device is arranged on the mounting frame (3).
4. The construction method of the highway-railway parallel section protection device according to claim 1, wherein after the step D is executed, a reflective strip is attached to the highway side of the mounting rack (3), and then the step E is executed.
5. The construction method of the parallel highway-railway section protection device according to claim 1, wherein the upper end and the lower end of the gap (22) are provided with sound-absorbing material structural members.
6. The construction method of the parallel highway-railway section protection device according to claim 1, wherein in the step C, the aperture ratio of each base plate (21) is 5% -10%.
7. The construction method of the highway-railway parallel section protection device according to claim 6, wherein the aperture ratio of the two base plates (21) is equal.
8. Construction method of a highway-railway parallel section guard according to any one of claims 1-7, characterized in that the height of the isolation foundation (1) is 0.7m-1.3 m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810738819.6A CN108914792B (en) | 2018-07-06 | 2018-07-06 | Construction method of highway-railway parallel section protection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810738819.6A CN108914792B (en) | 2018-07-06 | 2018-07-06 | Construction method of highway-railway parallel section protection device |
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| CN108914792A CN108914792A (en) | 2018-11-30 |
| CN108914792B true CN108914792B (en) | 2021-02-02 |
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| CN113338179A (en) * | 2020-07-20 | 2021-09-03 | 四川中铁二院环保科技有限公司 | Transparent sound absorption and insulation board for sound barrier |
| CN111778886B (en) * | 2020-07-22 | 2021-05-28 | 同济大学 | Comprehensive protection method and system for highway-railway flat-layer bridge operation safety |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2260100Y (en) * | 1996-12-12 | 1997-08-20 | 交通部上海船舶运输科学研究所 | Composite type noise screen for road |
| CN2519815Y (en) * | 2001-12-20 | 2002-11-06 | 陈庆安 | Sound absorbing noise-resistant screen |
| CN204491434U (en) * | 2015-03-20 | 2015-07-22 | 中交路桥技术有限公司 | Road anti-glare panel structural strengthening device |
| CN105544420B (en) * | 2016-02-29 | 2017-09-01 | 淄博北辰环保科技有限公司 | Traffic route non-metal sound barrier scene primary concreting moulding process |
| CN106120588A (en) * | 2016-08-05 | 2016-11-16 | 卓达新材料科技集团威海股份有限公司 | Sound-absorbing barrier |
| CN207374426U (en) * | 2017-10-30 | 2018-05-18 | 中铁电气化局集团有限公司 | Railway foreign body intrusion monitors double net supply control units of system |
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