CN114541207B - Polyurethane flexible emergency pavement and preparation method thereof - Google Patents
Polyurethane flexible emergency pavement and preparation method thereof Download PDFInfo
- Publication number
- CN114541207B CN114541207B CN202210053230.9A CN202210053230A CN114541207B CN 114541207 B CN114541207 B CN 114541207B CN 202210053230 A CN202210053230 A CN 202210053230A CN 114541207 B CN114541207 B CN 114541207B
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- China
- Prior art keywords
- adhesive tape
- polyurethane
- flexible
- emergency
- reinforcing
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Links
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 83
- 239000004814 polyurethane Substances 0.000 title claims abstract description 83
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 239000002390 adhesive tape Substances 0.000 claims abstract description 102
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 43
- 238000005516 engineering process Methods 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 13
- 210000004177 elastic tissue Anatomy 0.000 claims description 11
- 229920000642 polymer Polymers 0.000 claims description 9
- 239000011550 stock solution Substances 0.000 claims description 8
- 238000009941 weaving Methods 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 150000003254 radicals Chemical class 0.000 claims description 6
- 239000003999 initiator Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
- E01C9/08—Temporary pavings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
- E01C9/08—Temporary pavings
- E01C9/086—Temporary pavings made of concrete, wood, bitumen, rubber or synthetic material or a combination thereof
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention belongs to the technical field of flexible emergency pavements, and discloses a polyurethane flexible emergency pavement and a preparation method thereof, wherein the flexible emergency pavement comprises a polyurethane adhesive tape and a reinforcing support rod; the polyurethane adhesive tape comprises a lower adhesive tape layer and an upper adhesive tape layer, the reinforcing support rods are arranged on the lower adhesive tape layer at equal intervals, and the upper adhesive tape layer is tightly covered on the reinforcing support rods; the reinforcing support rod comprises a flexible support rod and a rigid support rod which are respectively arranged along the length direction and the width direction of the polyurethane adhesive tape, and the flexible support rod is a flexible sleeve with an air cavity inside; in conclusion, the flexible polyurethane emergency pavement can drive the flexible support rods to form an expansion support state through inflation operation when in use, and the flexible support rods and the rigid support rods respectively realize support in the parallel direction and the perpendicular direction of the running, so that the support strength of the whole flexible polyurethane emergency pavement is effectively improved, and in addition, deflation rolling can be realized when the flexible polyurethane emergency pavement is not in use.
Description
Technical Field
The invention belongs to the technical field of flexible emergency pavements, and particularly relates to a polyurethane flexible emergency pavement and a preparation method thereof.
Background
At present, temporary emergency roads are mostly adopted for traffic in areas with low bearing capacity such as beach, farmland, wetland, soft and muddy areas and the like in highway construction of China, and the conventional temporary emergency roads mainly comprise detachable pavements and paved flexible pavements.
The detachable road surface is required to be prepared with the spliced road plates in advance, and the spliced road plates are spliced on site when in use, so that the defects of heavy weight, inconvenient laying and withdrawing, low connection speed and the like of the spliced road plates are overcome;
the flexible pavement laid by the method is composed of grid fabrics and reinforcing support rods, wherein the reinforcing support rods are arranged in one way, and therefore the problem of insufficient support strength exists.
Disclosure of Invention
In view of the above, the present invention aims to provide a polyurethane flexible emergency pavement and a preparation method thereof.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a polyurethane flexible emergency pavement comprises a polyurethane adhesive tape and a reinforcing support rod;
the polyurethane adhesive tape comprises a lower adhesive tape layer and an upper adhesive tape layer, the reinforcing support rods are arranged on the lower adhesive tape layer at equal intervals, and the upper adhesive tape layer is tightly covered on the reinforcing support rods;
the reinforcing support rod comprises a flexible support rod and a rigid support rod which are respectively arranged along the length direction and the width direction of the polyurethane adhesive tape, and the flexible support rod is a flexible sleeve with an air cavity inside.
Preferably, an air valve is mounted on the flexible support rod, and extends to the outside of the polyurethane adhesive tape.
Preferably, an elastic member is arranged in the air cavity in the flexible supporting rod, and when the air valve is conducted, the elastic member stretches the air cavity and fills the air cavity with air.
Preferably, the flexible supporting rod is arranged below the rigid supporting rod, embedded and fixed in the upper surface of the lower adhesive tape, and the elastic piece is positioned right below the rigid supporting rod.
Preferably, a reinforcing adhesive tape is arranged on the upper surface of the polyurethane adhesive tape along the length direction, and two rut areas are formed on the upper surface of the upper adhesive tape by the reinforcing adhesive tape.
Preferably, the upper surfaces of the polyurethane adhesive tape and the reinforced adhesive tape are coated with a wear-resistant coating.
The preparation method of the polyurethane flexible emergency pavement disclosed above comprises the following steps:
weaving a lower adhesive tape and an upper adhesive tape by using polyurethane elastic fibers, and reserving grooves on the lower adhesive tape at equal intervals along the length direction during weaving;
arranging the flexible support rod in the groove;
the rigid support rods are arranged along the width direction of the width lower adhesive tape, and a plurality of rigid support rods are arranged at equal intervals;
covering the upper adhesive tape on the flexible supporting rod and the rigid supporting rod, and tightly connecting the lower adhesive tape and the upper adhesive tape by using a hot air heat seal welding technology;
the reinforcing adhesive is arranged on the upper surface of the upper adhesive tape, and is tightly pressed by using a high-frequency heat seal welding technology, and two symmetrical rut areas are formed by the reinforcing adhesive tape;
and the upper surfaces of the upper adhesive tape and the reinforcing adhesive tape are coated with wear-resistant coatings.
Preferably, the polyurethane elastic fiber is formed by blending polyurethane polymer stock solution and a free radical initiator with high Wen Gong, and the concentration of the polyurethane polymer stock solution is 30-45%.
Preferably, the flexible support rod and the rigid support rod are made of carbon fiber composite materials.
Preferably, when the hot air heat seal welding technology is utilized, the heat seal current is 1.2-2.0A, the cooling time is more than or equal to 5s, and the heat seal width is 28-32 mm.
Preferably, when the high-frequency heat seal welding technology is utilized, the heat seal current is 2.0-2.5A, the cooling time is more than or equal to 10s, and the heat seal width is 28-32 mm.
Compared with the prior art, the invention has the following beneficial effects:
the polyurethane flexible emergency pavement mainly comprises the polyurethane adhesive tape and the reinforcing support rod, wherein the reinforcing support rod is coated in the polyurethane adhesive tape, and comprises the flexible support rod and the rigid support rod, wherein the flexible support rod is an inflatable flexible sleeve, so that an inflation support state can be formed through inflation operation when the polyurethane flexible emergency pavement is used, the flexible support rod and the rigid support rod respectively realize support in the parallel direction and the perpendicular direction of a traveling crane, the support strength of the whole polyurethane flexible emergency pavement is effectively improved, and in addition, deflation rolling can be realized when the polyurethane flexible emergency pavement is not used.
The preparation method of the polyurethane flexible emergency pavement adopts the welding technology of hot air heat sealing and high-frequency heat sealing, ensures that the bonding of each layer of structure is stable, and has the advantages of simple production process, low manufacturing cost and the like; in addition, the polyurethane adhesive tape is woven by polyurethane elastic fibers with high strength, high modulus and high temperature resistance, so that the wear resistance and the high temperature resistance of the prepared polyurethane flexible emergency pavement can be effectively improved.
Drawings
FIG. 1 is a structural exploded view of the polyurethane flexible emergency pavement of the present invention;
fig. 2 is an enlarged view at a in fig. 1;
FIG. 3 is a cross-sectional view of the flexible support rod in the polyurethane flexible emergency pavement of the present invention;
in the figure: polyurethane adhesive tape-1; a lower adhesive tape layer 11; an upper layer adhesive tape-12; reinforcing the support rod-2; a flexible support rod-21; a rigid support bar-22; an elastic member-23; reinforcing adhesive tape-3; and (3) a wear-resistant coating layer-4.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-3, in the present invention, a polyurethane flexible emergency pavement is provided that provides stable support when in use and is coiled for storage when not in use.
Specifically, the pavement comprises a polyurethane adhesive tape 1 and a reinforcing support rod 2, wherein:
the polyurethane adhesive tape 1 comprises a lower adhesive tape 11 and an upper adhesive tape 12, wherein the reinforcing support rods 2 are arranged on the lower adhesive tape 11 at equal intervals, and the upper adhesive tape 12 is tightly covered on the reinforcing support rods 2;
the reinforcing support bar 2 includes a flexible support bar 21 and a rigid support bar 22 which are respectively provided along the length and width directions of the polyurethane adhesive tape 1, and the flexible support bar 21 is a flexible sleeve having an air cavity inside.
From the above, the pavement can be inflated into the air cavity when in use, so that the pressure in the air cavity is increased, and the flexible support rod 21 is ensured to have a certain supporting force; when not in use, the air chamber is deflated so that the flexible support rod 21 can be bent and stowed by the coil.
In the present embodiment, regarding the above-described flexible support bar 21, it is preferable that:
an air valve is arranged on the flexible supporting rod 21 and extends to the outside of the polyurethane adhesive tape 1;
an elastic member 23 is arranged in the air cavity in the flexible support rod 21, and when the air valve is conducted, the elastic member 23 expands the air cavity and fills the air cavity with air.
As can be seen from the above, the flexible support rod 21 is an active air-charging component, and when in use, the air valve is opened to conduct the air cavity with the outside, and at this time, based on the expansion of the elastic member 23, the air cavity is opened and filled with air, so as to achieve the effect of air cavity air charging, and after air charging, the air valve is closed, so that the air-charging support of the flexible support rod 21 can be realized; when not in use, the air valve is opened, so that the air cavity and the integral flexible support rod 21 are in a deformable state, thereby facilitating the coiling of the integral polyurethane adhesive tape 1. Further, the flexible support bar 21 is preferably disposed under the rigid support bar 22 and is embedded and fixed in the upper surface of the lower blanket 11, and the elastic member 23 is positioned directly under the rigid support bar 22.
Example 2
Referring to fig. 1-3, in the present invention, a polyurethane flexible emergency pavement is provided that provides stable support when in use and is coiled for storage when not in use.
Specifically, the road surface includes polyurethane adhesive tape 1, reinforcing support bar 2 and reinforcing adhesive tape 3, wherein:
the polyurethane adhesive tape 1 comprises a lower adhesive tape 11 and an upper adhesive tape 12, wherein the reinforcing support rods 2 are arranged on the lower adhesive tape 11 at equal intervals, and the upper adhesive tape 12 is tightly covered on the reinforcing support rods 2;
the reinforcing support rod 2 comprises a flexible support rod 21 and a rigid support rod 22 which are respectively arranged along the length and width directions of the polyurethane adhesive tape 1, and the flexible support rod 21 is a flexible sleeve with an air cavity inside;
the reinforcing tape 3 is provided on the upper surface of the polyurethane tape 1 in the length direction, and the reinforcing tape 3 forms two rut areas on the upper surface of the upper layer tape 12.
Preferably, in this embodiment, warning lines are provided on both sides of the two rut zones, so as to provide guidance for the traffic of the vehicle.
Further, the upper surfaces of the polyurethane adhesive tape 1 and the reinforced adhesive tape 3 are coated with the wear-resistant coating 4, so that the wear-resistant effect of the whole pavement is further improved.
Example 3
The invention also provides a preparation method of the polyurethane flexible emergency pavement in the embodiment 1, which comprises the following steps:
forming polyurethane elastic fiber by blending polyurethane polymer stock solution and free radical initiator high Wen Gong blend yarn, wherein the concentration of the polyurethane polymer stock solution is 30-45%;
weaving a lower adhesive tape 11 and an upper adhesive tape 12 by using polyurethane elastic fibers, and reserving grooves which are equally spaced along the length direction on the lower adhesive tape 11 during weaving;
disposing the flexible support bar 21 in the recess;
the rigid support bars 22 are arranged along the width direction of the width lower adhesive tape 11, and a plurality of rigid support bars 22 are arranged at equal intervals;
the upper adhesive tape 12 is covered on the flexible supporting rod 21 and the rigid supporting rod 22, and the lower adhesive tape 11 and the upper adhesive tape 12 are tightly connected by utilizing a hot air heat seal welding technology, and the specific heat seal current is 1.2-2.0A, the cooling time is more than or equal to 5s, and the heat seal width is 28-32 mm.
The free radical initiator emits free radicals during high-temperature spinning, so that polyurethane polymer is initiated to form polyurethane elastic fiber with micro cross-linking finally, and the strength, modulus and heat resistance of the polyurethane elastic fiber can be effectively improved.
Example 4
The invention also provides a preparation method of the polyurethane flexible emergency pavement in the embodiment 2, which comprises the following steps:
forming polyurethane elastic fiber by blending polyurethane polymer stock solution and free radical initiator high Wen Gong blend yarn, wherein the concentration of the polyurethane polymer stock solution is 30-45%;
weaving a lower adhesive tape 11 and an upper adhesive tape 12 by using polyurethane elastic fibers, and reserving grooves which are equally spaced along the length direction on the lower adhesive tape 11 during weaving;
disposing the flexible support bar 21 in the recess;
the rigid support bars 22 are arranged along the width direction of the width lower adhesive tape 11, and a plurality of rigid support bars 22 are arranged at equal intervals;
covering the upper adhesive tape 12 on the flexible supporting rod 21 and the rigid supporting rod 22, and tightly connecting the lower adhesive tape 11 and the upper adhesive tape 12 by using a hot air heat seal welding technology, wherein the specific heat seal current is 1.2-2.0A, the cooling time is more than or equal to 5s, and the heat seal width is 28-32 mm;
the reinforcing adhesive tape 3 is arranged on the upper surface of the upper adhesive tape 12 and tightly pressed by a high-frequency heat seal welding technology, two symmetrical rut areas are formed by the reinforcing adhesive tape 3, the specific heat seal current is 2.0-2.5A, the cooling time is more than or equal to 10s, and the heat seal width is 28-32 mm;
the upper surfaces of the upper layer adhesive plaster 12 and the reinforcing adhesive plaster 3 are coated with the wear-resistant coating 4.
The welding technology of hot air heat sealing and high-frequency heat sealing is utilized to ensure that the bonding stability of each layer of structure is ensured, and the method has the advantages of simple production process, low manufacturing cost and the like.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A flexible emergent road surface of polyurethane, its characterized in that: comprises a polyurethane adhesive tape (1) and a reinforcing support rod (2);
the polyurethane adhesive tape (1) comprises a lower adhesive tape (11) and an upper adhesive tape (12), wherein the reinforcing support rods (2) are arranged on the lower adhesive tape (11) at equal intervals, and the upper adhesive tape (12) is tightly covered on the reinforcing support rods (2);
the reinforcing support rod (2) comprises a flexible support rod (21) and a rigid support rod (22) which are respectively arranged along the length direction and the width direction of the polyurethane adhesive tape (1), the plurality of rigid support rods (22) are arranged in parallel along the length direction of the polyurethane adhesive tape (1) at intervals, the flexible support rod (21) is arranged in an extending mode along the length direction of the polyurethane adhesive tape (1), and the flexible support rod (21) is a flexible sleeve with an air cavity inside.
2. The polyurethane flexible emergency pavement according to claim 1, wherein: an air valve is arranged on the flexible supporting rod (21), and the air valve extends to the outside of the polyurethane adhesive tape (1).
3. A polyurethane flexible emergency pavement according to claim 2, wherein: an elastic piece (23) is arranged in the air cavity in the flexible supporting rod (21), and when the air valve is conducted, the air cavity is opened by the elastic piece (23) and filled with air.
4. A polyurethane flexible emergency pavement according to claim 3, wherein: the flexible support rod (21) is arranged below the rigid support rod (22) and is embedded and fixed in the upper surface of the lower adhesive tape (11), and the elastic piece (23) is positioned right below the rigid support rod (22).
5. The polyurethane flexible emergency pavement according to claim 1, wherein: the upper surface of the polyurethane adhesive tape (1) is provided with a reinforcing adhesive tape (3) along the length direction, and the reinforcing adhesive tape (3) forms two rut areas on the upper surface of the upper adhesive tape (12).
6. The polyurethane flexible emergency pavement according to claim 1, wherein: the upper surfaces of the polyurethane adhesive tape (1) and the reinforcing adhesive tape (3) are coated with a wear-resistant coating (4).
7. A method for preparing the polyurethane flexible emergency road surface according to any one of claims 1 to 6, characterized in that: comprising the following steps:
weaving a lower adhesive tape (11) and an upper adhesive tape (12) by using polyurethane elastic fibers, and reserving grooves on the lower adhesive tape (11) at equal intervals along the length direction during weaving;
arranging a flexible supporting rod (21) in the groove;
the rigid support rods (22) are arranged along the width direction of the width lower adhesive tape (11), and a plurality of rigid support rods (22) are arranged at equal intervals;
the upper adhesive tape (12) is covered on the flexible supporting rod (21) and the rigid supporting rod (22), and the lower adhesive tape (11) is tightly connected with the upper adhesive tape (12) by using a hot air heat seal welding technology.
8. The method for preparing the polyurethane flexible emergency pavement according to claim 7, further comprising: the reinforcing adhesive tape (3) is arranged on the upper surface of the upper adhesive tape (12), and is tightly pressed by using a high-frequency heat seal welding technology, and two symmetrical rut areas are formed by the reinforcing adhesive tape (3).
9. The method for preparing the polyurethane flexible emergency pavement according to claim 8, further comprising: and the upper surfaces of the upper adhesive tape (12) and the reinforcing adhesive tape (3) are coated with a wear-resistant coating (4).
10. The method for preparing the polyurethane flexible emergency pavement according to claim 8, wherein the method comprises the following steps:
the polyurethane elastic fiber is formed by blending polyurethane polymer stock solution and a free radical initiator with high Wen Gong, and the concentration of the polyurethane polymer stock solution is 30-45%;
the flexible supporting rod (21) and the rigid supporting rod (22) are made of carbon fiber composite materials;
when the hot air heat seal welding technology is utilized, the heat seal current is 1.2-2.0A, the cooling time is more than or equal to 5s, and the heat seal width is 28-32 mm;
when the high-frequency heat seal welding technology is utilized, the heat seal current is 2.0-2.5A, the cooling time is more than or equal to 10s, and the heat seal width is 28-32 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210053230.9A CN114541207B (en) | 2022-01-18 | 2022-01-18 | Polyurethane flexible emergency pavement and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210053230.9A CN114541207B (en) | 2022-01-18 | 2022-01-18 | Polyurethane flexible emergency pavement and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114541207A CN114541207A (en) | 2022-05-27 |
| CN114541207B true CN114541207B (en) | 2024-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210053230.9A Active CN114541207B (en) | 2022-01-18 | 2022-01-18 | Polyurethane flexible emergency pavement and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN114541207B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3999879A (en) * | 1975-06-16 | 1976-12-28 | The United States Of America As Represented By The Secretary Of The Navy | Inflatable roadway |
| GB1498962A (en) * | 1975-10-28 | 1978-01-25 | Fpt Industries | Inflatable buoyant roadways |
| SU612989A1 (en) * | 1975-06-19 | 1978-06-30 | Всесоюзный научно-исследовательский институт по строительству магистральных трубопроводов | Assembled/disassembled road covering |
| SU1470831A1 (en) * | 1987-05-06 | 1989-04-07 | Институт Горного Дела Ан Казсср | Prefabricated knock-down motorway paving |
| NL1015051C2 (en) * | 2000-04-28 | 2001-10-30 | Dieselservice Winterswijk B V | Temporary road surface laid by deploying flexible decking from vehicle-mounted roll |
| CN204325843U (en) * | 2014-09-26 | 2015-05-13 | 陈云鹤 | A kind of Novel airbag type pavement equipment |
| CN106522058A (en) * | 2016-12-14 | 2017-03-22 | 北京燕阳新材料技术发展有限公司 | Coilable flexible emergency pavement and preparation method thereof |
| CN210766234U (en) * | 2019-07-02 | 2020-06-16 | 陕西延长石油西北橡胶有限责任公司 | Movable flexible composite pavement |
| CN113215912A (en) * | 2021-06-04 | 2021-08-06 | 大庆信思德环保工程有限公司 | Energy-saving environment-friendly rigid soft body combined dirt collecting roadbed pavement |
-
2022
- 2022-01-18 CN CN202210053230.9A patent/CN114541207B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3999879A (en) * | 1975-06-16 | 1976-12-28 | The United States Of America As Represented By The Secretary Of The Navy | Inflatable roadway |
| SU612989A1 (en) * | 1975-06-19 | 1978-06-30 | Всесоюзный научно-исследовательский институт по строительству магистральных трубопроводов | Assembled/disassembled road covering |
| GB1498962A (en) * | 1975-10-28 | 1978-01-25 | Fpt Industries | Inflatable buoyant roadways |
| SU1470831A1 (en) * | 1987-05-06 | 1989-04-07 | Институт Горного Дела Ан Казсср | Prefabricated knock-down motorway paving |
| NL1015051C2 (en) * | 2000-04-28 | 2001-10-30 | Dieselservice Winterswijk B V | Temporary road surface laid by deploying flexible decking from vehicle-mounted roll |
| CN204325843U (en) * | 2014-09-26 | 2015-05-13 | 陈云鹤 | A kind of Novel airbag type pavement equipment |
| CN106522058A (en) * | 2016-12-14 | 2017-03-22 | 北京燕阳新材料技术发展有限公司 | Coilable flexible emergency pavement and preparation method thereof |
| CN210766234U (en) * | 2019-07-02 | 2020-06-16 | 陕西延长石油西北橡胶有限责任公司 | Movable flexible composite pavement |
| CN113215912A (en) * | 2021-06-04 | 2021-08-06 | 大庆信思德环保工程有限公司 | Energy-saving environment-friendly rigid soft body combined dirt collecting roadbed pavement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114541207A (en) | 2022-05-27 |
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