CN101487227B - Combat-readiness floating bridge for mud-stone flow embedded road section and its erection method - Google Patents
Combat-readiness floating bridge for mud-stone flow embedded road section and its erection method Download PDFInfo
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- CN101487227B CN101487227B CN200910103181XA CN200910103181A CN101487227B CN 101487227 B CN101487227 B CN 101487227B CN 200910103181X A CN200910103181X A CN 200910103181XA CN 200910103181 A CN200910103181 A CN 200910103181A CN 101487227 B CN101487227 B CN 101487227B
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Abstract
The invention discloses a combat readiness floating bridge for road sections buried by debris flow, comprising bearing piers and connecting rods; a plurality of bearing piers are symmetrically distributed in two rows; all bearing piers are connected with each other by the connecting rods so as to form a bearing system which is provided with wood plates; and the invention also discloses a method for erecting the combat readiness floating bridge for road sections buried by debris flow. The combat readiness floating bridge and the method have the beneficial technical effects of being suitable for quick restoration of the road traffic of the sections buried by the debris flow, effectively shortening the road traffic breakdown time of the sections buried by the debris flow, and having obvious traffic combat readiness characteristic.
Description
Technical field
The present invention relates to a kind of mud-rock flow silt and bury highway section road fast repair technique, relate in particular to a kind of combat-readiness floating bridge for mud-stone flow embedded road section and erection method thereof.
Background technology
China's mountain region area accounts for more than 2/3 of territory total area, it is mud-stone flow disaster one of the country of normal generation in the world, areas such as especially western Tibet, Sichuan, Gansu, Xinjiang, Yunnan, Chongqing, highway just has surplus the large-scale and super-huge debris flow gully 6000 along the line, mud-stone flow disaster frequently takes place, cause strong impact and silt to bury damage to highway traffic safety, cause interruption of communication (referring to Fig. 1).Along with being surging forward of China's development of the West Regions, the traffic infrastructure construction obtains fast development, but serious mud-stone flow disaster has become the road blocking tiger in west highway construction and the maintenance, highway STUDY OF DEBRIS FLOW and control become the key technology problem in China's west highway construction and the maintenance, are subjected to showing great attention to of relevant government and engineering department.
At present, in highway mud-rock flow disease research system, it is more deep relatively to impact damage research, the disconnected road of damage is buried in the highway silt and emergency repair, reparation aspect then still are in the blank stage, western China is every year on average because of mud-rock flow breaks out surplus the incident 20 bury highway of becoming silted up, accumulative total suspends traffic surplus in the of 100 day, especially the disposable silt of deposit bury thickness greater than 3m, accumulative total become silted up bury super-huge mud-stone flow disaster that debris flow body thickness surpasses 6m and break out after, the required time that resumes traffic is longer, generally, seriously undermined highway and combated a natural disaster to prepare for war ability more than 15 days.Therefore, implement super-huge mud-rock flow and become silted up and bury highway section highway fast repair technique developmental research, can be and significantly improve highway and combat a natural disaster to prepare for war ability most important theories foundation and technical guarantee are provided.
So far, become silted up at mud-rock flow both at home and abroad and bury aspect the highway communication reparation of highway section, still rest on the Passive Defence stage, after each mud-rock flow outburst, adopt excavator, loader, manual type desilting, especially in the face of the mud-rock flow of large-scale and imperial scale, the desilting workload is very big, interruption of communication does not reach the war preparedness demand.
Summary of the invention
The present invention proposes a kind of combat-readiness floating bridge for mud-stone flow embedded road section, it comprises: carry pier, link bar, a plurality of carrying piers become two row to be symmetrically distributed, and each carries between the pier and connects and composes the carrying system by linking bar, fastens at supporting body and is equipped with plank.
Describedly link horizontal, the vertical or oblique laying of bar, all connect between 5 carrying piers that each carrying pier is adjacent by linking bar.Wherein become silted up and bury highway section end bearing pier and only with between adjacent 3 carrying piers be connected by linking bar.
Described carrying pier and linking between the bar by the locking bolt is fixed.
The locking bolt comprises: spiral shell core and nut, and spiral shell core diameter 8～15cm, spiral shell core height is not less than 15cm, and spiral shell core lower end is fixed on the plenum chamber top; It is porose to link the bar two ends, and the aperture is complementary with the locking bolt spiral shell core that carries on the pier.
Described carrying pier comprises: plenum chamber and stability column, be provided with charging valve at the plenum chamber top, four stability columns are fixed on plenum chamber bottom and position symmetry.
Plenum chamber is airtight tire matter rubber, and the plenum chamber internal pressure is 2～3 atmospheric pressure; Stability column is the light solid Al-alloy products, stability column diameter 10～15cm, length 30～50cm.
Center distance is 3.0～3.5m between two row carrying piers; Center distance is 2.5～3.0m between adjacent two the carrying piers of same column, and carrying pier quantity can be buried road section length adjustment according to silt.
Link bar and adopt high tensile metal goods or lignum vitae sheet material; When linking bar employing high tensile metal goods, cross dimensions 5cm * 8cm; When linking bar employing lignum vitae sheet material, cross dimensions 5cm * 10cm.
Carrying pier size: wide a=50～100cm, long b=100～150cm, high c=50～80cm.
The invention allows for a kind of pontoon bridge erection method based on combat-readiness floating bridge for mud-stone flow embedded road section, this method comprises:
1) judge that by macroscopic analysis mud-rock flow is in first valve state after, the mud debris flow deposit thing surface artificial that buries top, highway section flattens out the traffic sidewalk that width is not less than 3m being become silted up;
2) a row carrying pier is respectively settled to the middle part in the two ends of burying the highway section from being become silted up by mud-rock flow along traffic sidewalk both sides, and the stability column total length of carrying pier is inserted in the traffic sidewalk debris flow body;
3) reach requirement until pressure for the inflation of carrying pier plenum chamber;
4) horizontal, the vertical or oblique mode of employing is laid the bar that links between adjacent pier and the pier, will link lever lock with the locking bolt and constitute the structural bearing system admittedly on the carrying pier;
5) on the structural bearing system, lay plank.
Useful technique effect of the present invention is: being applicable to that mud-rock flow becomes silted up buries the quick reparation of highway section highway communication, can effectively shorten mud-rock flow and become silted up and bury disconnected road time of highway section highway communication, combat readiness of transportation characteristic remarkable.
Description of drawings
Fig. 1, the mud-stone flow disaster schematic diagram;
Fig. 2, pontoon bridge vertical view of the present invention;
Fig. 3 carries pier and links bar link position schematic diagram;
Fig. 4, plenum chamber and stability column position view;
Among the figure: carrying pier 1, link bar 2, plenum chamber 1-1, stability column 1-2, locking bolt 1-3, charging valve 1-4.
The specific embodiment
Referring to Fig. 2, combat-readiness floating bridge for mud-stone flow embedded road section of the present invention, structure is as follows: 1 one-tenth two row of a plurality of carrying piers are symmetrically distributed, and each carries between the pier 1 and connects and composes the carrying system by linking bar 2, fastens at supporting body and is equipped with plank; Describedly link bar 2 horizontal, vertical or oblique layings, all connect between 5 carrying piers 1 that each carrying pier 1 is adjacent by linking bar 2; Carry pier 1 and link between the bar 2 and fix by locking bolt 1-3.
Concrete parameter is as follows: 1 center distance of two row carrying piers is 3.0～3.5m; 1 center distance of adjacent two the carrying piers of same column is 2.5～3.0m, carrying pier 1 adjustable number; Locking bolt 1-3 comprises: spiral shell core and nut, and spiral shell core diameter 8-15cm, spiral shell core height is not less than 15cm, and spiral shell core lower end is fixed on plenum chamber 1-1 top; It is porose to link bar 2 two ends, and the aperture is complementary with the locking bolt 1-3 spiral shell core that carries on the pier 1.Plenum chamber 1-1 is airtight tire matter rubber; Stability column 1-2 is the light solid Al-alloy products, stability column 1-2 diameter 10～15cm, length 30～50cm.Carrying pier 1 size: wide a=50～100cm, long b=100～150cm, high c=50～80cm.
The pontoon bridge operating principle:
(1) become silted up at huge thick-layer mud-rock flow and bury the highway section, the traffic sidewalk at the mud debris flow deposit thing surface evening certain width on road top makes mud debris flow deposit thing bearing capacity of foundation soil even substantially.
(2) carrying pier 1 is the core of this invention, relies on the buoyancy of plenum chamber 1-1 in debris flow body that places in the debris flow body that supporting force is provided, and meets Archimedes's the law of buoyancy.
(3) utilization links the structural system that bar 2 constitutes jointly all carrying piers 1 an integrated carrying vertical load.
(4) function of carrying pier 1 bottom stability column 1-2 is that preventing to carry pier 1 takes place to break away and rollover under top vehicle and pedestrian's load action.
(5) be bonded at the mud debris flow deposit thing and possess when bearing corresponding traffic and pedestrian's load, loosening locking bolt 1-3, dismantle all bars 2 that link, open the charging valve 1-4 at carrying pier 1 top, in deposit, take out carrying pier 1 structure, to carry pier 1 and link bar 2 and be placed on corresponding war readiness materiel warehouse, in order to using next time, but demonstrate fully war preparedness of the present invention and reuse.
Its concrete erection method is as follows:
1) judge that by macroscopic analysis mud-rock flow is in first valve state after, the mud debris flow deposit thing surface artificial that buries top, highway section flattens out the traffic sidewalk that width is not less than 3m being become silted up;
2) settle two row carrying piers 1 along traffic sidewalk both sides, the stability column 1-2 total length of carrying pier 1 is inserted in the traffic sidewalk debris flow body (leveling face);
3) reach requirement until pressure for carrying pier 1 plenum chamber 1-1 inflation; Can adopt air compressor machine to inflate for plenum chamber 1-1 inflation, make plenum chamber 1-1 internal pressure remain at 2～3 atmospheric pressure, the blowing pressure is closed charging valve after reaching requirement, and air pressure can replenish when not enough at any time.
4) horizontal, the vertical or oblique mode of employing is laid the bar that links between adjacent pier and the pier, will link bar 2 lockings with locking bolt 1-3 and constitute the structural bearing system on carrying pier 1;
5) on the structural bearing system, lay plank.
The present invention is mainly used in the quick reparation that the mud debris flow deposit thing thickness bury the highway section of becoming silted up surpasses the highway communication of 3m, generally can resume traffic in 2 days current in the mud-rock flow stop motion.
Claims (9)
1. combat-readiness floating bridge for mud-stone flow embedded road section, it is characterized in that: it comprises: carry pier (1), link bar (2), a plurality of carrying piers (1) become two row to be symmetrically distributed, and each carries between the pier (1) and connects and composes the carrying system by linking bar (2), fastens at supporting body and is equipped with plank;
Described carrying pier (1) comprising: plenum chamber (1-1) and stability column (1-2), be provided with charging valve (1-4) at plenum chamber (1-1) top, and four stability columns (1-2) are fixed on plenum chamber (1-1) bottom and position symmetry.
2. combat-readiness floating bridge for mud-stone flow embedded road section according to claim 1, it is characterized in that: describedly link horizontal, the vertical or oblique laying of bar (2), all connect between each 5 carrying pier (1) of being adjacent of carrying pier (1), wherein become silted up and bury highway section end bearing pier (1) and only with between adjacent 3 carrying piers (1) be connected by linking bar (2) by linking bar (2).
3. combat-readiness floating bridge for mud-stone flow embedded road section according to claim 2 is characterized in that: described carrying pier (1) and link between the bar (2) by locking bolt (1-3) fixing.
4. combat-readiness floating bridge for mud-stone flow embedded road section according to claim 3 is characterized in that: locking bolt (1-3) comprising: spiral shell core and nut, and spiral shell core diameter 8～15cm, spiral shell core height is not less than 15cm, and spiral shell core lower end is fixed on plenum chamber (1-1) top; It is porose to link bar (2) two ends, and the aperture is complementary with locking bolt (1-3) the spiral shell core that carries on the pier (1).
5. combat-readiness floating bridge for mud-stone flow embedded road section according to claim 1 is characterized in that: plenum chamber (1-1) is airtight tire matter rubber, and plenum chamber (1-1) internal pressure is 2～3 atmospheric pressure; Stability column (1-2) is the light solid Al-alloy products, stability column (1-2) diameter 10～15cm, length 30～50cm.
6. combat-readiness floating bridge for mud-stone flow embedded road section according to claim 1 is characterized in that: center distance is 3.0～3.5m between two row carrying piers (1); Center distance is 2.5～3.0m between adjacent two the carrying piers of same column (1), and carrying pier (1) quantity can be buried road section length adjustment according to silt.
7. according to claim 1,2 or 3 described combat-readiness floating bridge for mud-stone flow embedded road section, it is characterized in that: link bar (2) and adopt high tensile metal goods or lignum vitae sheet material; When linking bar (2) employing high tensile metal goods, cross dimensions 5cm * 8cm; When linking bar (2) employing lignum vitae sheet material, cross dimensions 5cm * 10cm.
8. combat-readiness floating bridge for mud-stone flow embedded road section according to claim 1 is characterized in that: carrying pier (1) size: wide a=50～100cm, long b=100～150cm, high c=50～80cm.
9. pontoon bridge erection method based on combat-readiness floating bridge for mud-stone flow embedded road section, it is characterized in that: this method comprises:
1) judge that by macroscopic analysis mud-rock flow is in first valve state after, the mud debris flow deposit thing surface artificial that buries top, highway section flattens out the traffic sidewalk that width is not less than 3m being become silted up;
2) a row carrying pier (1) is respectively settled to the middle part in the two ends of burying the highway section from being become silted up by mud-rock flow along traffic sidewalk both sides, and stability column (1-2) total length of carrying pier (1) is inserted in the traffic sidewalk debris flow body;
3) reach requirement until pressure for carrying pier (1) plenum chamber (1-1) inflation;
4) horizontal, the vertical or oblique mode of employing is laid the bar that links between adjacent pier and the pier, will link bar (2) locking with locking bolt (1-3) and go up formation structural bearing system at carrying pier (1);
5) on the structural bearing system, lay plank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910103181XA CN101487227B (en) | 2009-02-13 | 2009-02-13 | Combat-readiness floating bridge for mud-stone flow embedded road section and its erection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910103181XA CN101487227B (en) | 2009-02-13 | 2009-02-13 | Combat-readiness floating bridge for mud-stone flow embedded road section and its erection method |
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| Publication Number | Publication Date |
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| CN101487227A CN101487227A (en) | 2009-07-22 |
| CN101487227B true CN101487227B (en) | 2011-07-27 |
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| CN200910103181XA Expired - Fee Related CN101487227B (en) | 2009-02-13 | 2009-02-13 | Combat-readiness floating bridge for mud-stone flow embedded road section and its erection method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102108673A (en) * | 2011-01-11 | 2011-06-29 | 卞洪登 | Plastic bucket interlocking floating bridge |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1259602A (en) * | 1999-01-06 | 2000-07-12 | 刘寄声 | Potoon bordge on sea not rocking with wave and its erection method |
| CN2628577Y (en) * | 2003-04-30 | 2004-07-28 | 王仕禹 | Submerged floating bridge |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1259602A (en) * | 1999-01-06 | 2000-07-12 | 刘寄声 | Potoon bordge on sea not rocking with wave and its erection method |
| CN2628577Y (en) * | 2003-04-30 | 2004-07-28 | 王仕禹 | Submerged floating bridge |
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Granted publication date: 20110727 Termination date: 20120213 |