CN114541207A - Polyurethane flexible emergency pavement and preparation method thereof - Google Patents
Polyurethane flexible emergency pavement and preparation method thereof Download PDFInfo
- Publication number
- CN114541207A CN114541207A CN202210053230.9A CN202210053230A CN114541207A CN 114541207 A CN114541207 A CN 114541207A CN 202210053230 A CN202210053230 A CN 202210053230A CN 114541207 A CN114541207 A CN 114541207A
- Authority
- CN
- China
- Prior art keywords
- polyurethane
- flexible
- adhesive tape
- support rod
- emergency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 82
- 239000004814 polyurethane Substances 0.000 title claims abstract description 82
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000002390 adhesive tape Substances 0.000 claims abstract description 72
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 39
- 239000004744 fabric Substances 0.000 claims description 34
- 239000000853 adhesive Substances 0.000 claims description 22
- 230000001070 adhesive effect Effects 0.000 claims description 22
- 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
- 239000011248 coating agent Substances 0.000 claims description 7
- 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
- 238000009941 weaving Methods 0.000 claims description 7
- 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
- 238000009987 spinning Methods 0.000 claims description 3
- 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
- 239000011505 plaster Substances 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003825 pressing 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
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 polyurethane flexible emergency pavement comprises polyurethane adhesive tape and a reinforcing support rod; the polyurethane adhesive tape comprises a lower layer of adhesive tape and an upper layer of adhesive tape, the reinforcing support rods are arranged on the lower layer of adhesive tape at equal intervals, and the upper layer of adhesive tape 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 disclosed by the invention can drive the flexible supporting rods to form an expansion supporting state through inflation operation when in use, and the flexible supporting rods and the rigid supporting rods respectively realize the support in the parallel direction and the vertical direction of a travelling crane, so that the supporting strength of the whole flexible polyurethane emergency pavement is effectively improved, and in addition, the flexible polyurethane emergency pavement can be deflated and rolled when 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 special zones such as sandy beach, farmland, wetland, soft and muddy regions with low bearing capacity for passing in the highway construction of China, and the conventional temporary emergency roads mainly comprise detachable pavements and paved flexible pavements.
The detachable pavement needs to prepare a spliced road board in advance, and the spliced road board is spliced on site when in use, so that the defects of heavy weight, inconvenient laying and withdrawing, low connecting speed and the like of the spliced road board exist;
lay formula flexible pavement and adopt net fabric and strengthen the bracing piece to constitute more, wherein strengthen the bracing piece and mostly be one-way setting, consequently have the problem that support intensity is not enough.
Disclosure of Invention
In view of the above, in order to solve the problems in the background art, the present invention aims to provide a polyurethane flexible emergency pavement and a preparation method thereof.
In order to achieve the purpose, the invention provides the following technical scheme:
a polyurethane flexible emergency pavement comprises polyurethane adhesive tape and a reinforcing support rod;
the polyurethane adhesive tape comprises a lower layer of adhesive tape and an upper layer of adhesive tape, the reinforcing support rods are arranged on the lower layer of adhesive tape at equal intervals, and the upper layer of adhesive tape is tightly covered on the reinforcing support rods;
the reinforced 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 installed on the flexible support rod and extends to the outside of the polyurethane adhesive tape.
Preferably, an elastic piece is arranged in the air cavity in the flexible supporting rod, and when the air valve is conducted, the elastic piece stretches the air cavity and the air cavity is filled with air.
Preferably, the flexible support rod is arranged below the rigid support rod and embedded and fixed in the upper surface of the upper layer of adhesive tape, and the elastic part is positioned under the rigid support rod.
Preferably, a reinforcing rubberized fabric is arranged on the upper surface of the polyurethane rubberized fabric along the length direction, and the reinforcing rubberized fabric forms two track areas on the upper surface of the upper-layer rubberized fabric.
Preferably, the upper surfaces of the polyurethane adhesive tape and the reinforcing adhesive tape are coated to form a wear-resistant coating.
A preparation method of the polyurethane flexible emergency pavement disclosed above comprises the following steps:
weaving a lower layer of adhesive fabric and an upper layer of adhesive fabric by utilizing polyurethane elastic fibers, and reserving grooves which are equally spaced on the lower layer of adhesive fabric along the length direction during weaving;
arranging the flexible support rod in the groove;
a plurality of rigid support rods are arranged along the width direction of the lower-layer adhesive tape in the width direction at equal intervals;
covering the upper layer of adhesive tape on the flexible support rod and the rigid support rod, and tightly connecting the lower layer of adhesive tape and the upper layer of adhesive tape by using a hot air heat seal welding technology;
arranging the reinforcing adhesive tapes on the upper surfaces of the upper adhesive tapes, tightly pressing by using a high-frequency heat seal welding technology, and forming two symmetrical track areas by the reinforcing adhesive tapes;
and coating a wear-resistant coating on the upper surfaces of the upper-layer rubberized fabric and the reinforcing rubberized fabric.
Preferably, the polyurethane elastic fiber is formed by blending and spinning a polyurethane polymer stock solution and a free radical initiator at a high temperature, and the concentration of the polyurethane polymer stock solution is 30-45%.
Preferably, the flexible supporting rod and the rigid supporting rod are both 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 polyurethane adhesive cloth and a reinforcing support rod, wherein the reinforcing support rod is coated inside the polyurethane adhesive cloth and comprises a flexible support rod and a rigid support rod, wherein the flexible support rod is an inflatable flexible sleeve, so that an expansion support state can be formed through inflation operation when the polyurethane flexible emergency pavement is used, and the flexible support rod and the rigid support rod respectively realize support in a driving parallel direction and a driving vertical direction, so that the support strength of the whole polyurethane flexible emergency pavement is effectively improved, and in addition, deflation and rolling can be realized when the polyurethane flexible emergency pavement is not used.
The preparation method of the polyurethane flexible emergency pavement adopts hot air heat seal and high-frequency heat seal welding technologies, ensures stable bonding of each layer structure, and has the advantages of simple production process, low manufacturing cost and the like; in addition, the polyurethane adhesive fabric is woven by adopting the polyurethane elastic fiber 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 an exploded view of the structure of a polyurethane flexible emergency pavement of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a structural cross-sectional view of a flexible support rod in a polyurethane flexible emergency pavement according to the present invention;
in the figure: 1, polyurethane adhesive tape; a lower layer of rubberized fabric-11; an upper layer of rubberized fabric-12; a reinforcing support rod-2; a flexible support rod-21; a rigid support rod-22; an elastic member-23; reinforcing adhesive tapes-3; wear-resistant coating-4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, a flexible polyurethane emergency pavement is provided in the present invention that provides stable support during use and is rollable for storage when not in use.
Specifically, this road surface includes polyurethane adhesive tape 1 and strengthens bracing piece 2, wherein:
the polyurethane adhesive tape 1 comprises a lower layer adhesive tape 11 and an upper layer adhesive tape 12, the reinforcing support rods 2 are arranged on the lower layer adhesive tape 11 at equal intervals, and the upper layer 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, and the flexible support rod 21 is a flexible sleeve with an air cavity inside.
Therefore, the pavement can inflate 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 certain supporting force; when not in use, the air chamber is deflated, thereby allowing the flexible support rod 21 to flex and be coiled for storage.
In the present embodiment, as for the above-described flexible support rod 21, it is preferable that:
an air valve is arranged on the flexible support rod 21 and extends to the outside of the polyurethane adhesive tape 1;
an elastic piece 23 is arranged in the air cavity in the flexible support rod 21, and when the air valve is conducted, the elastic piece 23 props the air cavity and the air cavity is filled with air.
As can be seen from the above, the flexible support rod 21 is an active inflation component, and specifically, when the flexible support rod is used, the air valve is opened to communicate the air cavity with the outside, and at this time, the air cavity is opened and filled with air based on the expansion of the elastic member 23, so that the effect of inflating the air cavity is achieved, and the air valve is closed after the inflation is completed, so that the inflation 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 supporting rod 21 are in a deformable state, and the integral polyurethane adhesive tape 1 is convenient to coil. Further, the flexible support rod 21 is preferably disposed below the rigid support rod 22 and embedded and fixed in the upper surface of the upper layer of adhesive fabric 12, and the elastic member 23 is positioned directly below the rigid support rod 22.
Example 2
Referring to fig. 1-3, a flexible polyurethane emergency pavement is provided in the present invention that provides stable support during use and is rollable for storage when not in use.
Specifically, this road surface includes polyurethane adhesive tape 1, strengthens bracing piece 2 and strengthens adhesive tape 3, wherein:
the polyurethane adhesive tape 1 comprises a lower layer adhesive tape 11 and an upper layer adhesive tape 12, the reinforcing support rods 2 are arranged on the lower layer adhesive tape 11 at equal intervals, and the upper layer 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, and the flexible support rod 21 is a flexible sleeve with an air cavity arranged inside;
the reinforcing rubberized fabric 3 is arranged on the upper surface of the polyurethane rubberized fabric 1 along the length direction, and the reinforcing rubberized fabric 3 forms two track areas on the upper surface of the upper-layer rubberized fabric 12.
Preferably, in this embodiment, warning lines are provided on both sides of the two rut areas, so as to provide guidance for the passage of vehicles.
Furthermore, the upper surfaces of the polyurethane adhesive tape 1 and the reinforcing adhesive tape 3 are coated with a 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:
polyurethane elastic fiber is formed by co-blending a polyurethane polymer stock solution and a free radical initiator at a high temperature, wherein the concentration of the polyurethane polymer stock solution is 30-45%;
weaving a lower layer adhesive fabric 11 and an upper layer adhesive fabric 12 by using polyurethane elastic fibers, and reserving grooves which are equally spaced on the lower layer adhesive fabric 11 along the length direction during weaving;
arranging the flexible support rod 21 in the groove;
the rigid support rods 22 are arranged along the width direction of the lower-layer adhesive tape 11, and a plurality of rigid support rods 22 are arranged at equal intervals;
covering the upper layer of adhesive tape 12 on the flexible support rod 21 and the rigid support rod 22, and tightly connecting the lower layer of adhesive tape 11 and the upper layer of adhesive tape 12 by using a hot air heat seal welding technology, wherein 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.
The free radical initiator can release free radicals during high-temperature spinning, so that the polyurethane polymer is initiated to form the final polyurethane elastic fiber with micro-crosslinking, 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:
polyurethane elastic fiber is formed by co-blending a polyurethane polymer stock solution and a free radical initiator at a high temperature, wherein the concentration of the polyurethane polymer stock solution is 30-45%;
weaving a lower layer adhesive fabric 11 and an upper layer adhesive fabric 12 by using polyurethane elastic fibers, and reserving grooves which are equally spaced on the lower layer adhesive fabric 11 along the length direction during weaving;
arranging the flexible support rod 21 in the groove;
the rigid support rods 22 are arranged along the width direction of the lower-layer adhesive tape 11, and a plurality of rigid support rods 22 are arranged at equal intervals;
covering the upper-layer adhesive tape 12 on the flexible support rod 21 and the rigid support rod 22, and tightly connecting the lower-layer adhesive tape 11 and the upper-layer adhesive tape 12 by using a hot air heat seal welding technology, wherein 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;
arranging a reinforcing adhesive tape 3 on the upper surface of an upper layer adhesive tape 12, tightly pressing by using a high-frequency heat seal welding technology, and forming two symmetrical track areas through the reinforcing adhesive tape 3, wherein 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 rubberized fabric 12 and the reinforcing rubberized fabric 3 are coated with the wear-resistant coating 4.
The welding technology of hot air heat seal and high-frequency heat seal is utilized to ensure that each layer structure is bonded stably, 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 appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. The utility model provides a flexible emergent road surface of polyurethane which characterized in that: comprises a polyurethane adhesive tape (1) and a reinforcing support rod (2);
the polyurethane adhesive tape (1) comprises a lower layer of adhesive tape (11) and an upper layer of adhesive tape (12), the reinforcing support rods (2) are arranged on the lower layer of adhesive tape (11) at equal intervals, and the upper layer of 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), and the flexible support rod (21) is a flexible sleeve with an air cavity inside.
2. A polyurethane flexible emergency pavement according to claim 1, characterized in that: an air valve is arranged on the flexible supporting rod (21) and extends to the outside of the polyurethane adhesive tape (1).
3. A polyurethane flexible emergency pavement according to claim 2, characterized in that: an elastic piece (23) is arranged in the air cavity in the flexible support rod (21), and when the air valve is conducted, the elastic piece (23) stretches the air cavity and the air cavity is filled with air.
4. A polyurethane flexible emergency pavement according to claim 3, characterized in that: the flexible supporting rod (21) is arranged below the rigid supporting rod (22) and is embedded and fixed in the upper surface of the upper-layer adhesive tape (12), and the elastic piece (23) is positioned right below the rigid supporting rod (22).
5. A polyurethane flexible emergency pavement according to claim 1, characterized in that: 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 track areas on the upper surface of the upper layer adhesive tape (12).
6. A polyurethane flexible emergency pavement according to claim 1, characterized in that: and 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 process for the preparation of a polyurethane flexible emergency pavement according to any one of claims 1 to 6, characterized in that: the method comprises the following steps:
the lower-layer adhesive fabric (11) and the upper-layer adhesive fabric (12) are woven by utilizing polyurethane elastic fibers, and the reserved grooves are formed in the lower-layer adhesive fabric (11) at equal intervals along the length direction during weaving;
arranging a flexible support rod (21) in the groove;
rigid support rods (22) are arranged along the width direction of the lower-layer adhesive tape (11) in the width direction, and a plurality of rigid support rods (22) are arranged at equal intervals;
the upper layer of adhesive plaster (12) is covered on the flexible support rod (21) and the rigid support rod (22), and the lower layer of adhesive plaster (11) is tightly connected with the upper layer of adhesive plaster (12) by utilizing the hot air heat seal welding technology.
8. The method for preparing the polyurethane flexible emergency pavement according to claim 7, further comprising: the reinforcing rubberized fabric (3) is arranged on the upper surface of the upper-layer rubberized fabric (12), and is tightly pressed by using a high-frequency heat seal welding technology, and two symmetrical track areas are formed by the reinforcing rubberized fabric (3).
9. The method for preparing the polyurethane flexible emergency pavement according to claim 8, further comprising: and a wear-resistant coating (4) is coated on the upper surfaces of the upper-layer adhesive fabric (12) and the reinforcing adhesive fabric (3).
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 and spinning a polyurethane polymer stock solution and a free radical initiator at a high temperature, and the concentration of the polyurethane polymer stock solution is 30-45%;
the flexible supporting rod (21) and the rigid supporting rod (22) are both 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 true CN114541207A (en) | 2022-05-27 |
| CN114541207B CN114541207B (en) | 2024-01-26 |
Family
ID=81671620
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 |
|---|---|
| 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 |
|---|---|
| CN114541207B (en) | 2024-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201924253U (en) | Rubber temporary road surface | |
| CN210766234U (en) | Movable flexible composite pavement | |
| CN105178177B (en) | Highway bridge self-adaptation multidirection deformation displacement composite structure retractor device | |
| CN114541207A (en) | Polyurethane flexible emergency pavement and preparation method thereof | |
| KR100779217B1 (en) | The manufacturing method of complex waterproof sheet and the complex waterproof sheet thereof and the complex waterproof construction method thererwith | |
| CN106522058A (en) | Coilable flexible emergency pavement and preparation method thereof | |
| CN203402300U (en) | Mechanical walking rubber crawler wheel | |
| WO2018040229A1 (en) | Site coiled material surface layer | |
| CN213328515U (en) | Expansion joint device is handled to compound long-life road surface tip of rigidity softness based on sponge city | |
| TW201343442A (en) | Buoyancy vehicle | |
| CN209384095U (en) | A kind of simply-support waterproof reinforced type waveform noise abatement telescopic device | |
| CN106393943A (en) | Preparation method of railway roadbed special rubber synthetic fiber geotextile | |
| CN207363190U (en) | A kind of new restructuring bamboo flooring | |
| WO2004111341A1 (en) | Rails | |
| CN207244676U (en) | Rubber fastening band bell and spigot joint | |
| CN211596417U (en) | Slide way beam reaction frame for adjusting linear deviation of steel truss beam | |
| CN105774407A (en) | Safe and efficient tire | |
| CN114232409A (en) | Manufacturing process of emergency pavement | |
| CN102561270A (en) | Production process of seamless rubber dam bag | |
| CN108622221B (en) | Modular combined type adjustable vibration reduction crawler belt | |
| CN205975949U (en) | Basement top board waterproof structure | |
| US3088775A (en) | Tire and wheel assembly | |
| CN206266976U (en) | One kind can coil flexible emergent road surface | |
| CN203511191U (en) | Anti-skidding caterpillar band of double-axle truck | |
| CN214301600U (en) | Staggered-layer lapping rubber dam bag body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |