CN107841937B - Light Zhang Xianqi bearing bridge - Google Patents
Light Zhang Xianqi bearing bridge Download PDFInfo
- Publication number
- CN107841937B CN107841937B CN201711108140.0A CN201711108140A CN107841937B CN 107841937 B CN107841937 B CN 107841937B CN 201711108140 A CN201711108140 A CN 201711108140A CN 107841937 B CN107841937 B CN 107841937B
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- bridge
- air bag
- bridge span
- air
- steel cable
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- 239000004744 fabric Substances 0.000 claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 238000010276 construction Methods 0.000 claims description 13
- 239000002131 composite material Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 13
- 210000001503 joint Anatomy 0.000 description 7
- 238000007599 discharging Methods 0.000 description 3
- 239000002905 metal composite material Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000002775 capsule Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920006264 polyurethane film Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/14—Floating bridges, e.g. pontoon bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a light string-tensioning air-bearing bridge, which comprises an air bag, a bridge span module, an air bag curtain and a steel cable, wherein the air bag curtain is fixed on the bridge span module through a curtain fabric pressing plate, the steel cable is used for connecting and fixing the air bag at two ends of the bridge, the bridge span module comprises at least 2 bridge span units, and each part can be quickly assembled and disassembled. The invention has the advantages of modularization, light weight, large bearing capacity, convenient disassembly and assembly, convenient transportation, high erection speed and the like, and is suitable for emergency traffic occasions needing quick deployment.
Description
Technical Field
The invention belongs to the field of roads and bridges, and relates to a temporary bridge structure capable of being quickly erected and a construction method thereof.
Background
The temporary bridge can quickly pass through the destroyed existing bridge, can be used for opening a new traffic line, and is important equipment for guaranteeing maneuver. In modern society, bridge equipment is also increasingly strengthened in the rescue and relief work, through setting up temporary bridge, can ensure rescue material motorcade, engineering machine tool and cross over the barrier fast, arrive the disaster area in time, reduce the disaster condition loss.
The existing bridge equipment of the army is used as a complete set of river crossing equipment and is matched with river crossing guarantee teams of the army, and temporary bridges can be quickly erected according to actual requirements of fight guarantee and rescue and relief work. It also has a number of drawbacks, mainly expressed in the following aspects: (1) The existing military bridge is mainly manufactured by welding steel beams and steel plates, and has great weight, so that the requirement on the condition of a transportation road is high; (2) The bridge has large volume, so that transportation and camouflage are difficult, and even self-guarantee is difficult to realize under the road condition of unfavorable environment; (3) the erection mode is single, and the erection mechanism is complex; and because the folding type air-drop system is heavy in weight and can not be folded, the transportation and erection can only be carried out by means of a wheeled chassis or a crawler-type chassis vehicle, the air drop can not be realized, the requirement of timely putting into operation and use can not be met under the condition of emergency, the reliability is poor, and the applicability is low.
Disclosure of Invention
Aiming at the problems of large volume, heavy weight, long erection time and inconvenient transportation of the traditional emergency bridge, the invention provides a light string-tensioning air-bearing bridge and a construction method thereof.
The technical scheme of the invention is as follows:
the light Zhang Xianqi bearing bridge comprises an air bag, a bridge span module, an air bag curtain cloth, a curtain cloth pressing plate and a steel rope, wherein the air bag consists of a plurality of strip-shaped or cylindrical closed inflatable bag bodies; the air bag curtain cloth is used for fixing the air bag on bridge span modules through curtain cloth pressing plates, the steel ropes are used for connecting and fixing the air bag at two ends of a bridge, the bridge span modules comprise at least 2 bridge span units, each part can be quickly assembled and disassembled, the bridge span modules are of a rigid structure for forming a bridge, and a plurality of groups of bridge span modules are spliced end to form a bridge deck of the bridge;
further, the air bag body is a column type closed air bag body with a circular or fish-eye-shaped cross section;
further, the length of the air bag is slightly shorter than the whole length of the bridge, preferably about 90% of the length of the bridge, and the parts of the two ends of the bridge, which exceed the air bag, are used for supporting the bridge body;
further, the material of the bag body is flexible material with good air tightness and high strength, preferably polyurethane film, polyvinyl chloride film or polyvinyl chloride fabric film material;
the balloon body is fully inflated when in work, has better rigidity, and after bearing, the deformation of the balloon is less than 10% of the diameter of the balloon body; when the bag is not detached, the bag body can be folded for carrying conveniently when the bag body is used for exhausting air;
further, the air charging and discharging valve and the pressure gauge are arranged on the air bag body, and are preferably arranged at two ends of the air bag body;
further, a plurality of limiting grooves are further formed in the longitudinal cylindrical surface of the bag body and used for limiting sliding of the steel cable, the limiting grooves are arranged along the length direction of the bag body and made of buckles, rope binding or other known connecting structures, and materials of the limiting grooves are consistent with materials of the bag body;
the bridge span unit consists of a square frame, a bridge deck plate, a hinged joint and the like; the square frame is formed by splicing light and high-strength metal materials or composite materials, and a reinforcing structure can be arranged in the square frame according to bearing requirements; two ends of the frame are provided with hinged joints, and the bridge span units are folded through bolts on the hinged joints; two sides of the square frame are provided with structures for installing air bag curtain cloth;
furthermore, bridge span modules can be formed in a folding manner such as U-shaped, N-shaped or M-shaped according to the number of bridge span units in each bridge span module, and the weight of each bridge span module is convenient for a single person to carry;
furthermore, the square frame is also provided with auxiliary structures such as a handle, braces and the like, so that the square frame is convenient to carry and transport;
the bridge deck is fixed on the square frame, and is made of a light or anti-skid metal plate, or a light composite material or other known block-mounted structures, preferably, the light composite material is adopted to reduce the weight of the bridge span unit;
the hinge joint is arranged on the bridge span unit in a diagonally symmetrical mode by adopting a known single-double-lug structure or other known rigid hinge structures; the arrangement mode can ensure the interchangeability of bridge span units, namely any butt joint edges of any bridge span modules can be mutually connected, so that the assembly difficulty is reduced, and the replacement is convenient;
the air bag curtain cloth is used for transversely wrapping the air bag and fixing the air bag on the bridge span unit; in the full length range of the air bag, each bridge span unit corresponds to one air bag curtain cloth, and a curtain cloth pressing plate is arranged on the side face of the bridge span unit; the curtain fabric pressing plate presses the end part of the air bag curtain fabric and is fixed on the bridge span unit, and preferably, the air bag curtain fabric is made of the same material as the air bag, and the curtain fabric pressing plate is made of hard materials;
the steel cable passes through the limit groove of the capsule body, and two ends of the steel cable are fixed on bridge span units at two ends of the bridge; in order to ensure the rigidity and bearing capacity of the bridge, the steel cable with high bearing capacity and small stretching rate is selected as the steel cable;
preferably, the steel cable is provided with a device for adjusting tightness, namely an tensioner; the fastening mode of the elastic device and the steel rope is known in the prior art.
Aiming at the light Zhang Xianqi bearing bridge, the invention also discloses two construction methods, which are specifically as follows;
the light string-tensioning air bearing bridge construction method comprises the following steps:
s1-1, reversely buckling and unfolding bridge span modules and splicing the bridge span modules end to form a bridge deck, wherein a bridge deck is downward;
s1-2, expanding the air bag and placing the air bag at a designated position on the bridge deck, wherein a limit groove on the air bag body is far away from the bridge deck;
s1-3, enabling a steel cable to pass through an air bag limiting groove and be installed and fixed at two ends of a bridge, and installing and fixing an air bag curtain by using a curtain fabric pressing plate;
s1-4, inflating the air bag, and adjusting the tension of the steel cable by adopting an elastic device when the air bag is inflated to a specified pressure;
s1-5, turning over the light string-tensioning air bearing bridge by adopting an auxiliary tool, and supporting two ends of the light string-tensioning air bearing bridge to form a bridge;
the disassembly process of the light Zhang Xianqi bearing bridge is the reverse process of the erection process.
The light string-tensioning air bearing bridge construction method comprises the following steps:
s2-1, installing and fixing the air bag curtain cloth on the bridge span unit through a curtain cloth pressing plate in advance, enabling the steel rope to pass through a limiting groove of the air bag, and reversely buckling and unfolding the bridge span module and connecting the bridge span unit end to end during assembly;
s2-2, expanding the air bag to a designated position while penetrating the air bag through the air bag curtain cloth, wherein a steel cable on the air bag is far away from a bridge deck;
s2-3, installing and fixing two ends of a steel cable at two ends of a bridge;
s2-4, inflating the air bag, and adjusting the tensioning force of the steel cable by adopting an elastic device when the air bag is inflated to a specified pressure;
s2-5, turning over the light string-tensioning air bearing bridge by adopting an auxiliary tool, and supporting two ends of the light string-tensioning air bearing bridge to form a bridge;
the disassembly process of the light Zhang Xianqi bearing bridge is the reverse process of the erection process.
The two construction methods have the same effect, and the air bag curtain cloth is required to be installed on the bridge span unit before construction, so that the construction speed is higher.
The beneficial effects of the invention are as follows:
1) The bridge is erected, disassembled and assembled rapidly and transported flexibly and conveniently by adopting modular design components such as bridge span modules, air bags and the like;
2) The invention reduces the weight and the volume of the bridge by adopting the air bags and the light and high-strength metal materials or composite materials, plays a role in facilitating transportation and meeting the emergency response requirement;
3) The invention adopts the airbag structure to enable the bridge body to float on the water surface, and is used for constructing a floating structure body to overcome the obstacles such as rivers, lakes and the like.
Drawings
FIG. 1 is a schematic view of a light string air bearing bridge after assembly;
FIG. 2 is a schematic structural view of an airbag;
FIG. 3 is a schematic view of the bridge span module when folded;
FIG. 4 is a schematic structural view of a bridge span unit;
FIG. 5 is a schematic view of a square frame;
FIG. 6 is a schematic view of the mounting structure of an airbag curtain on a bridging unit;
fig. 7 is a schematic view of the structure of the bridge span when the back-off is assembled.
The device comprises a 0-light Zhang Xianqi bearing bridge, a 1-airbag, a 2-bridge span module, a 3-bridge span curtain fabric, a 4-steel cable, a 10-bag body, a 11-limit groove, a 12-inflation and deflation valve, a 13-pressure gauge, a 20-bridge span unit, a 21-square frame, a 22-bridge deck, a 23-hinged joint, a 31-curtain fabric pressing plate and a 41-tensioner.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following examples.
Example 1
The light Zhang Xianqi bearing bridge 0 comprises an air bag 1, a bridge span module 2, an air bag curtain cloth 3, an air bag pressing plate 31 and a steel rope 4, wherein the air bag 1 consists of a plurality of strip-shaped or cylindrical closed inflatable bag bodies; the air bag curtain cloth 3 is used for fixing the air bag 1 on the bridge span module 2 through the curtain cloth pressing plate 31, the steel rope 4 is used for connecting and fixing the air bag 1 at two ends of the bridge 0, the bridge span module comprises at least 2 bridge span units, each part can be quickly assembled and disassembled, the bridge span module 2 is a rigid structure for forming a bridge, and a plurality of groups of bridge span modules 2 are spliced end to form the bridge deck of the bridge;
the air bag 1 is a closed inflatable bag body;
further, the air bag 1 is a plurality of strip-shaped or cylindrical sealed air bag bodies 10.
Further, the length of the air bag 1 is slightly shorter than the whole length of the bridge;
further, the material of the bag body 10 is flexible material with good air tightness and high strength;
further, when in operation, the bag body 10 is fully inflated, has better rigidity and reaches a certain relative pressure; when the bag is not detached, the bag body 10 can be folded and is convenient to carry when the bag body is used for exhausting air;
further, the air-filling and air-discharging valve 12 and the pressure gauge 13 are arranged on the air bag body 10, and in the embodiment, the air-filling and air-discharging valve and the pressure gauge are arranged at two ends of the air bag body 10;
a plurality of limiting grooves 11 are further formed in the longitudinal cylindrical surface of the bag body 10 and used for limiting sliding of the steel cable 4, the limiting grooves are arranged along the length direction of the bag body 10, a hasp, a rope or other known connecting structures are selected, and the limiting grooves 11 are made of materials consistent with those of the bag body 10;
the bridge span modules 2 are rigid structures for forming the bridge 0, and the bridge deck of the bridge 0 can be formed by splicing a plurality of groups of bridge span modules 2 end to end;
furthermore, each bridge span module 2 comprises at least 2 bridge span units 20, the bridge span units 20 in each bridge span module 2 can be folded in U-shaped, N-shaped, M-shaped or the like according to the number of the bridge span units to form the bridge span module 2, and the weight of each bridge span module 2 is convenient for a single person to carry;
the bridge span unit 20 consists of a square frame 21, a bridge deck 22, a hinged joint 23 and the like; the square frame 21 is formed by splicing light and high-strength metal materials or composite materials, and a reinforcing structure can be arranged in the square frame according to bearing requirements; two ends of the square frame 21 are provided with hinged joints 23, and the bridge span units 20 are folded through the hinged joints 23 and bolts on the joints; two sides of the square frame 21 are provided with structures for installing the air bag curtain cloth 3;
in this embodiment, the square frame 21 is further provided with an accessory structure such as a handle and a strap, so as to facilitate transportation;
the bridge deck 22 is fixed on the square frame 21, and is made of a light or non-skid metal plate, or a light composite material or other known block-mounted structures, preferably, the light composite material is adopted to reduce the weight of the bridge span unit;
the hinge joint 23 is provided on the bridge span unit 20 in a diagonally symmetrical manner by adopting a single-double ear structure or other known rigid hinge structure; the arrangement mode can ensure the interchangeability of the bridge span units 20, namely any butt joint edges of any bridge span modules 2 can be mutually connected, so that the assembly difficulty is reduced, and the replacement is convenient;
the air bag curtain cloth 3 is used for transversely wrapping the air bag 1 and fixing the air bag on the bridge span unit 20; in the whole length range of the air bag 1, each bridge span unit 20 corresponds to one air bag curtain cloth 3, and a curtain cloth pressing plate 31 is arranged on the side surface of the bridge span unit 20; the curtain fabric pressing plate 31 presses the end part of the air curtain fabric 3 and fixes the end part of the air curtain fabric 3 on the bridge span unit 20, and preferably, the air curtain fabric 3 is made of the same material as the air curtain 1, and the curtain fabric pressing plate 31 is made of hard materials;
the steel cable 4 passes through the limit groove 11 of the capsule body, and two ends of the steel cable are fixed on bridge span units 20 at two ends of the bridge 0; in order to ensure the rigidity and bearing capacity of the bridge 0, the steel rope 4 is selected from steel ropes with high bearing capacity and small stretching rate;
preferably, the wire rope 4 is provided with means for adjusting the tightness, i.e. a tensioner 41; the tensioner 41 and the cable 4 are secured in a manner known in the art.
The light string-tensioning air bearing bridge construction method comprises the following steps:
s1-1, reversely buckling and unfolding the bridge span module 2, and splicing the bridge span module 2 end to form a bridge deck, wherein the bridge deck 22 faces downwards;
s1-2, expanding the air bag 1 and placing the air bag at a designated position on the bridge deck, wherein the limit groove 11 on the bag body 10 is far away from the bridge deck;
s1-3, a steel cable 4 passes through a limit groove 11 of an air bag 1 and is fixedly arranged at two ends of a bridge 0, and an air bag curtain 3 is fixedly arranged by a curtain pressing plate 31;
s1-4, inflating the air bag 1, and adjusting the tension of the steel rope 4 by adopting a tensioner 41 when the air bag is inflated to a specified pressure;
s1-5, turning over the light string-tensioning air bearing bridge 0 by adopting an auxiliary tool, and supporting two ends of the light string-tensioning air bearing bridge to form a bridge;
the disassembly process of the light Zhang Xianqi bearing bridge is the reverse process of the erection process.
Example 2
This embodiment differs from embodiment 1 in that: the construction method of the light Zhang Xianqi bearing bridge comprises the following steps:
the light string-tensioning air bearing bridge construction method comprises the following steps:
s2-1, installing and fixing the air bag curtain cloth 3 on the bridge span unit 20 through a curtain cloth pressing plate 31 in advance, enabling the steel cable 4 to pass through the limit groove 11 of the air bag 1, and reversely buckling and unfolding the bridge span module 2 and connecting the bridge span module end to end during assembly;
s2-2, expanding the air bag 1 to a designated position while passing the air bag 1 through the air bag curtain cloth 3, wherein the steel cable 4 on the air bag 1 is far away from the bridge deck;
s2-3, installing and fixing two ends of the steel cable 4 at two ends of the bridge 0;
s2-4, inflating the air bag 1, and adjusting the tension of the steel rope 4 by adopting a tensioner 41 when the air bag is inflated to a specified pressure;
s2-5, turning over the light string-tensioning air bearing bridge 0 by adopting an auxiliary tool, and supporting two ends of the light string-tensioning air bearing bridge to form a bridge;
the disassembly process of the light Zhang Xianqi bearing bridge is the reverse process of the erection process.
Claims (6)
1. Light Zhang Xianqi holds formula bridge, its characterized in that: the inflatable curtain comprises an airbag, a bridge span module, an airbag curtain fabric, a curtain fabric pressing plate and a steel rope, wherein the airbag consists of a plurality of strip-shaped or cylindrical closed inflatable bag bodies; the air bag curtain cloth is used for fixing the air bag on bridge span modules through curtain cloth pressing plates, the steel ropes are used for connecting and fixing the air bag at two ends of a bridge, the bridge span modules comprise at least 2 bridge span units, each part can be quickly assembled and disassembled, the bridge span modules are of a rigid structure for forming a bridge, and a plurality of groups of bridge span modules are spliced end to form a bridge deck of the bridge;
the longitudinal cylindrical surface of the air bag body is also provided with a plurality of limiting grooves for limiting the sliding of the steel cable, and the limiting grooves are arranged along the length direction of the air bag body;
the bridge span unit consists of a square frame, a bridge deck plate and a hinged joint; the square frame is formed by splicing composite materials; two ends of the frame are provided with hinged joints, and the bridge span units are folded through bolts on the hinged joints; two sides of the square frame are provided with structures for installing air bag curtain cloth, and the bridge deck is fixed on the square frame;
the bridge span modules are formed by adopting a U-shaped, N-shaped or M-shaped doubling mode according to the number of bridge span units among the bridge span units in each bridge span module, and the weight of each bridge span module is convenient for a single person to carry;
the hinge joint adopts a single-double-lug structure and is arranged on the bridge span unit in an oblique and diagonal symmetrical mode.
2. The lightweight Zhang Xianqi girder bridge according to claim 1, wherein: the air bag is a column type closed air bag body with a circular or fish-shaped section; the length of the air bag is 90% of the bridge length; the air bag is fully inflated when in operation, and the deformation of the air bag after bearing is less than 10% of the diameter of the bag body; when the air bag is not detached, the air bag can be folded for convenient carrying after exhausting air.
3. The lightweight Zhang Xianqi girder bridge according to claim 1, wherein: the square frame is provided with a handle and braces.
4. The lightweight Zhang Xianqi girder bridge according to claim 1, wherein: the steel cable passes through the limiting groove of the air bag, two ends of the steel cable are fixed on bridge span units at two ends of the bridge, and an elastic device is arranged on the steel cable.
5. The construction method of a lightweight Zhang Xianqi-bearing bridge according to any one of claims 1 to 4, comprising the steps of:
s1-1, reversely buckling and unfolding a bridge span module (2) and splicing the bridge span module into a bridge deck end to end, wherein a bridge deck (22) faces downwards;
s1-2, the air bag (1) is unfolded and placed at a designated position on the bridge deck, and at the moment, a limit groove (11) on the air bag (1) is far away from the bridge deck;
s1-3, a steel cable (4) passes through an air bag limiting groove (11) and is installed and fixed at two ends of a light string air bearing bridge (0), and an air bag curtain cloth (3) is installed and fixed by a curtain cloth pressing plate (31);
s1-4, inflating the air bag (1), and adjusting the tension of the steel cable (4) by adopting an tensioner (41) when the air bag is inflated to a specified pressure;
s1-5, overturning the light string-tensioning air bearing bridge (0) by adopting an auxiliary tool, and supporting two ends of the light string-tensioning air bearing bridge to form the bridge.
6. The construction method of a lightweight Zhang Xianqi-bearing bridge according to any one of claims 1 to 4, comprising the steps of:
s2-1, installing and fixing an air bag curtain cloth (3) on a bridge span unit (20) through a curtain cloth pressing plate (31) in advance, enabling a steel cable (4) to pass through a limit groove (11) of the air bag (1), and reversely buckling and unfolding the bridge span module (2) in an end-to-end connection mode during assembly;
s2-2, the air bag (1) is unfolded to a designated position while the air bag (1) passes through the air bag curtain cloth (3), and at the moment, a steel cable (4) on the air bag (1) is far away from the bridge deck;
s2-3, installing and fixing two ends of a steel cable (4) at two ends of a light string air bearing bridge (0);
s2-4, inflating the air bag (1), and adjusting the tension of the steel cable (4) by adopting an tensioner (41) when the air bag is inflated to a specified pressure;
s2-5, turning over the light string-tensioning air bearing bridge (0) by adopting an auxiliary tool, and supporting two ends of the light string-tensioning air bearing bridge to form the bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711108140.0A CN107841937B (en) | 2017-11-10 | 2017-11-10 | Light Zhang Xianqi bearing bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711108140.0A CN107841937B (en) | 2017-11-10 | 2017-11-10 | Light Zhang Xianqi bearing bridge |
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| Publication Number | Publication Date |
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| CN107841937A CN107841937A (en) | 2018-03-27 |
| CN107841937B true CN107841937B (en) | 2023-12-19 |
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| CN201711108140.0A Active CN107841937B (en) | 2017-11-10 | 2017-11-10 | Light Zhang Xianqi bearing bridge |
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| CN (1) | CN107841937B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826488B (en) * | 2019-01-17 | 2024-05-10 | 上海海事大学 | Air supporting beam for large-span space structure |
| CN109989334A (en) * | 2019-05-20 | 2019-07-09 | 阳光大地（天津）环保工程有限公司 | Lightweight modules causeway system |
| CN113832831B (en) * | 2021-11-09 | 2024-05-24 | 中国人民解放军国防科技大学 | Modularized gas-supporting rut type bridge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2325769A1 (en) * | 1975-09-23 | 1977-04-22 | France Etat | Collapsible floating road bridge - has rigid metallic upper sections hinged together and supported by lower inflatable enclosures |
| US20040237225A1 (en) * | 2001-07-20 | 2004-12-02 | To Frederick E. | Pneumatic construction or bridging element |
| DE202007012546U1 (en) * | 2007-09-07 | 2008-01-17 | Brock, Albert | Quickly deployable and transportable, floating bridge or path replacement, preferably for flood situations |
| CN204162990U (en) * | 2014-09-19 | 2015-02-18 | 江苏凸创科技开发有限公司 | The quick floating bridge device laying river |
| CN205775793U (en) * | 2016-05-16 | 2016-12-07 | 河南大学 | A kind of light collapsible bridge of FRP plate gentle girt strip composition |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014024502A (en) * | 2012-07-30 | 2014-02-06 | Kawasaki Heavy Ind Ltd | Floating body unit, floating bridge and, floating body pier |
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2017
- 2017-11-10 CN CN201711108140.0A patent/CN107841937B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2325769A1 (en) * | 1975-09-23 | 1977-04-22 | France Etat | Collapsible floating road bridge - has rigid metallic upper sections hinged together and supported by lower inflatable enclosures |
| US20040237225A1 (en) * | 2001-07-20 | 2004-12-02 | To Frederick E. | Pneumatic construction or bridging element |
| DE202007012546U1 (en) * | 2007-09-07 | 2008-01-17 | Brock, Albert | Quickly deployable and transportable, floating bridge or path replacement, preferably for flood situations |
| CN204162990U (en) * | 2014-09-19 | 2015-02-18 | 江苏凸创科技开发有限公司 | The quick floating bridge device laying river |
| CN205775793U (en) * | 2016-05-16 | 2016-12-07 | 河南大学 | A kind of light collapsible bridge of FRP plate gentle girt strip composition |
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| Publication number | Publication date |
|---|---|
| CN107841937A (en) | 2018-03-27 |
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