CN103015372A - Composite thin-shell sand-building cofferdam protection system for bridges - Google Patents
Composite thin-shell sand-building cofferdam protection system for bridges Download PDFInfo
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- CN103015372A CN103015372A CN2013100085518A CN201310008551A CN103015372A CN 103015372 A CN103015372 A CN 103015372A CN 2013100085518 A CN2013100085518 A CN 2013100085518A CN 201310008551 A CN201310008551 A CN 201310008551A CN 103015372 A CN103015372 A CN 103015372A
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- cofferdam
- shell
- composite material
- guard system
- cover plate
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Images
Classifications
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- 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
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Bridges Or Land Bridges (AREA)
- Revetment (AREA)
Abstract
The invention discloses a composite thin-shell sand-building cofferdam protection system for bridges. The composite thin-shell sand-building cofferdam protection system for the bridges is characterized by comprising a cofferdam shell (1), buffer energy-consuming materials (2) are filled in the cofferdam shell (1), a cover plate (3) is used for covering the top end of the cofferdam shell (1), and the lower end of the cofferdam shell (1) which is filled with the buffer energy-consuming materials (2) and uses the cover plate (3) for covering the top end is positioned in a riverbed or fixed on a bearing platform. The composite thin-shell sand-building cofferdam protection system for the bridges is large in elastic deformation and capable of sufficiently absorbing impact energy and blocking off impact when used, so that the bridges are protected while ship bodies cannot be damaged severely, and damage of the ship bodies is reduced to the minimum extent; and since the cofferdam shell is made of composite fiber reinforced materials which are highly corrosion-resisting and excellent in mechanical property, the system is adaptive to various severe environments of river water, seawater and the like, has the advantages of simple structure, low manufacture cost, lower maintenance cost and convenience in mounting and maintenance and is suitable for popularization and use.
Description
Technical field
The present invention relates to a kind of bridge or collision proof device for wharf, especially a kind of cost that utilizes composite material to make is low, elasticity is large, corrosion resistant anticollision device, collision-prevention device, specifically a kind of bridge pier and harbour that is applicable to all kinds of bridges, (ocean) waterborne is for building builds husky cofferdam guard system with the bridge composite material shell that alleviates boats and ships (floating ice) impact disaster.
Background technology
Fast development along with transportation, the large bridge quantity in leap navigation rivers, harbor district and straits that China builds in the recent period progressively increases, and ships quantity also constantly increases and the ship type is tending towards maximizing on the navigation channel, so that the contradiction between bridge and the current boats and ships is increasingly outstanding, so the accident of ship collision bridge pier also constantly increases.Ship collision is the one of the main reasons of crossing over the bridge collapse in navigation channel, and the consequence of generation is extremely serious: ship is ruined people's thing of dying and is lost, and causes the navigation channel to be obstructed, and land transportation is interrupted, the polluted water region environment.In June, 2007, the Guangdong Jiujiang Bridge is collapsed by the sand carrier bump.Accident causes 4 automobiles to fall over into the river, and two people are injured on the accident ship, and other has 9 people missing, has caused larger social repercussion, and the anti-ship of bridge hits the great attention that problem has also obtained the departments such as relevant shipping management, planning and designing just gradually.
Use through years of researches, occurred polytype pier anticollision facility both at home and abroad, but its basic principle is based on energy absorption, momentum cushions and designs, every kind of anti-collision facility has its characteristics and service condition.But at present pile group mode, shell commonly used built husky cofferdam mode, man-made island mode etc., is applicable to generally that water is shallow, geological condition occasion preferably, although put things right once and for all, can affect the navigation channel, and usually because cost is too high or condition does not possess and abandon.And steel work casing energy-dissipating installation utilizes the damaged energy dissipating of steel plastic strain, but it bears the single bump usually, and maintenance is difficult after the damage; Hull subject to damage when colliding simultaneously; The other long-term easy-to-rust in water of steel, maintenance cost is higher, so it is extremely urgent to adopt new material to design and develop the Novel crashproof system.
Summary of the invention
The objective of the invention is the defective for prior art, large, the abundant absorbing impact energy of a kind of elastic deformation is provided and can intercepts the bridge composite material shell that clashes into and build husky cofferdam guard system.
The objective of the invention is to solve by the following technical programs:
A kind of bridge composite material shell is built husky cofferdam guard system, it is characterized in that described cofferdam guard system comprises the cofferdam shell, be filled with the buffering energy-consumption material in the shell of cofferdam, adopt cover plate to bind on the top of cofferdam shell, describedly be filled with the buffering energy-consumption material and adopt the lower end of the cofferdam shell that cover plate binds to be positioned at the riverbed or be fixed on the cushion cap.
Be provided with the reference column of vertical setting in the shell of described cofferdam.
The outside of described reference column inside and/or reference column is provided with reinforcing bar.
Reference column in the shell of described cofferdam is eccentric to be placed.
Described reference column is a kind of in composite wood stock column, reinforced concrete post, metal column, the nylon column.
Described cylindrical cofferdam shell adopts glass fabric and resin to make, what wherein glass fabric was single shaft in cloth, multiaxial fabric, grid cloth, fibrofelt or carbon cloth, basalt fiber cloth, the aryl fiber cloth is a kind of, and resin is a kind of in unsaturated polyester (UP), vinylite, epoxy resin or the inorganic resin.
Described cover plate is one or more of composite material cover plate, reinforced concrete cover plate, metal cover board, polyurethane elastomer cover plate.
Make after described buffering energy-consumption material is sand, sand granular polystyrene foam with the compound of sand, granular polystyrene mortar, rubber grain, metal sand, haydite, foamed aluminium, foam, mao bamboon, one or more in the lattice body and/or stone mix on an empty stomach.
Describedly be filled with the buffering energy-consumption material and adopt the lower end of the cofferdam shell that cover plate binds to be fixed on the cushion cap by flange.
Described flange adopts glass fabric and resin to make.
The present invention has the following advantages compared to existing technology:
When the present invention used, when boats and ships bumped against on the shell of cofferdam, because the effect of impact, the reference column that is subject in the shell of cofferdam directly clashing into was extracted from anchoring status easily, and crooked along the impact direction; When if the boats and ships energy moves on greatly; the cofferdam shell will be with the buffering energy-consumption material of filling directly and the hull friction; not being subject to directly, the reference column of bump is then outwards pushed by hull; thereby increased the frictional force that boats and ships are subject to; also can the grievous injury hull in the protection bridge, the damage of hull is minimized.
The cofferdam shell of cofferdam of the present invention guard system has adopted strong corrosion resistant, the superior fibre reinforced composites of mechanical characteristic, can adapt to the various adverse circumstances such as river, seawater, reduced maintenance cost, have simple in structure, low cost of manufacture and characteristics convenient for installation and maintenance, suitable promoting the use of.
Description of drawings
Accompanying drawing 1 is that bridge composite material shell of the present invention is built three kind installations, the use view of husky cofferdam guard system on riverbed or cushion cap, Fig. 1 (a) view of building husky cofferdam guard system for riverbed anchoring type composite material shell wherein, Fig. 1 (b) is the bore state schematic diagram in early stage that drilled pile riverbed anchoring type composite material shell is built husky cofferdam guard system, the view that Fig. 1 (c) builds husky cofferdam guard system for drilled pile riverbed anchoring type composite material shell; The view that Fig. 1 (d) builds husky cofferdam guard system for cushion cap anchoring type composite material shell, the view that Fig. 1 (e) builds husky cofferdam guard system for the cushion cap anchoring type composite material shell that includes the reinforcing bar reference column;
Accompanying drawing 2 is that bridge composite material shell of the present invention is built the integrated application installment state schematic diagram of husky cofferdam guard system on cushion cap, wherein Fig. 2 (a) builds the applied in any combination state diagram of husky cofferdam guard system on cushion cap for the composite material shell, and Fig. 2 (b) builds husky cofferdam guard system and the applied in any combination state diagram of self-floating composite material anti-collision ring on cushion cap for the composite material shell;
Accompanying drawing 3 is that bridge composite material shell of the present invention is built the application installment state schematic diagram of husky cofferdam guard system on the riverbed, wherein Fig. 3 (a) builds guard system part, husky cofferdam for riverbed anchoring type composite material shell and squeezes into the view riverbed in, and Fig. 3 (b) is the applied in any combination flat state schematic diagram that riverbed anchoring type composite material shell is built husky cofferdam guard system and composite anti-collision circle;
Accompanying drawing 4 is that bridge composite material shell of the present invention is built husky cofferdam guard system in the riverbed or cushion cap is installed and used the state generalized section; Wherein: the generalized section that Fig. 4 (a) builds husky cofferdam guard system for riverbed anchoring type composite material shell, the generalized section that Fig. 4 (b) builds husky cofferdam guard system for cushion cap anchoring type composite material shell.
Wherein: 1-cofferdam shell; 2-buffering energy-consumption material; 3-cover plate; 4-reference column; 5-reinforcing bar; 6-flange.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing and embodiment.
Such as Fig. 1, shown in Figure 4: a kind of bridge composite material shell is built husky cofferdam guard system, this cofferdam guard system comprises the cofferdam shell 1 that wall thickness is thinner, cofferdam shell 1 is made cylindrical generally speaking, in cofferdam shell 1, be filled with buffering energy-consumption material 2, adopt cover plate 3 to bind on the top of cofferdam shell 1, be filled with buffering energy-consumption material 2 and adopt the lower end of the cofferdam shell 1 that cover plate 3 binds to be positioned at the riverbed or be fixed on the cushion cap.Cofferdam shell 1 in the guard system of above-mentioned cofferdam adopts glass fabric and resin to make, wherein glass fabric is that single shaft is to cloth, multiaxial fabric, grid cloth, fibrofelt or carbon cloth, basalt fiber cloth, a kind of in the aryl fiber cloth, resin is unsaturated polyester (UP), vinylite, a kind of in epoxy resin or the inorganic resin, formed by winding process curing by glass fabric and resin during making, the continuous glass fibre cloth that will soak resin adhesive liquid is wound on the core according to certain angle, then through solidifying, the demoulding, cofferdam cylindraceous shell 1 finished product of acquisition; Buffering energy-consumption material 2 is made after mixing for one or more and/or stone in the compound of sand, sand granular polystyrene foam and sand, granular polystyrene mortar, rubber grain, metal sand, haydite, foamed aluminium, foam, mao bamboon, the empty stomach lattice body, and preferentially to select stone be buffering energy-consumption material 2 in the inner chamber bottom of cofferdam shell 1 generally speaking; Cover plate 3 is one or more of composite material cover plate, reinforced concrete cover plate, metal cover board, polyurethane elastomer cover plate.In cofferdam shell 1, also can be provided with in addition the reference column 4 of vertical setting, reference column 4 is a kind of in composite wood stock column, reinforced concrete post, metal column, the nylon column, and for strengthening the buffering effect of 2 pairs of ships of buffering energy-consumption material, reference column 4 general eccentric placements in the cofferdam shell 1, for strengthening the stability of reference column 4, be provided with reinforcing bar 5 in the outside of reference column 4 inside and/or reference column 4 in addition.When this composite material shell is built husky cofferdam guard system and is placed on the cushion cap, the lower end that this composite material shell is built husky cofferdam guard system can be fixed on the cushion cap by flange 6, flange 6 adopts glass fabric and resin to make, glass fabric and resin are on the offensive in advance to be pasted standbyly detailed directions in order to adopt, and then is fixed on the bottom of cofferdam shell 1 by winding process.
Riverbed of the present invention anchoring type composite material shell is built husky cofferdam guard system, shown in Fig. 1 (a), at first the columniform cofferdam professional pile driver of shell 1 usefulness is squeezed into the riverbed certain depth, follow available pile driver and squeeze into reference column 4, reference column 4 eccentric placements are to strengthen the buffering effect of 2 pairs of ships of buffering energy-consumption material, then with water pumper inner water is drained, then fill buffering energy-consumption material 2, bind with cover plate 3 at last, wherein Fig. 4 (a) is the cross section structure schematic diagram of this cofferdam guard system.Whole device both can use separately (such as Fig. 3 (a)), also can be used in combination with other anticollision device, collision-prevention devices (such as Fig. 3 (b)).
Drilled pile anchoring type composite material shell of the present invention is built husky cofferdam guard system, such as Fig. 1 (b), shown in Fig. 1 (c), at first the columniform cofferdam professional pile driver of shell 1 usefulness is squeezed into the riverbed certain depth, then pierce the degree of depth darker below the riverbed with drill bit along the axis of cofferdam shell 1, simultaneously mud is extracted out, behind the complete taking-up drill bit of holing, put into reference column 4, reference column 4 eccentric placements are to strengthen the buffering effect of 2 pairs of ships of buffering energy-consumption material, then can select whether inside and outside reference column 4, to put into reinforcing bar, then from the bottom concrete perfusion of holing until surpass the position, riverbed, if there is reference column 4 to be linked to be integral body with reference column 4, allow concrete, foundation stone and cylindrical cofferdam shell 1 are linked to be an integral body, then at cylindrical cofferdam shell 1 interior filling buffering energy-consumption material 2, bind with cover plate 3 in the top, wherein Fig. 4 (a) is the cross section structure schematic diagram of this cofferdam guard system.Whole device both can use separately (such as Fig. 3 (a)), also can be used in combination with other anticollision device, collision-prevention devices (such as Fig. 3 (b)).
Cushion cap anchoring type composite material shell of the present invention is built husky cofferdam guard system, shown in Fig. 1 (d) and Fig. 1 (e), at first vertically place cylindrical cofferdam shell 1 on the cushion cap, can select whether to link to each other with cushion cap by flange 6, can select whether to put into reference column 4 in the cofferdam shell 1, select when putting into reference column 4 the reference column 4 eccentric buffering effects of placing with 2 pairs of ships of reinforcement buffering energy-consumption material, when cofferdam shell 1 connects cushion cap and puts into reference column 4 without flange 6, needing by reinforcing bar 5 this composite material shell to be built husky cofferdam guard system links to each other with cushion cap, then at cofferdam shell 1 interior filling buffering energy-consumption material 2, bind with cover plate 3 in the top.Whole device both can be used in combination with other anticollision device, collision-prevention devices (such as Fig. 2 (a)), also can use separately (such as Fig. 2 (b)).
When the present invention used, when boats and ships bumped against on the cofferdam shell 1, because the effect of impact, the reference column 4 that is subject in the cofferdam shell 1 directly clashing into was extracted from anchoring status easily, and crooked along the impact direction; When if the boats and ships energy moves on greatly, cofferdam shell 1 will be with buffering energy-consumption the material 2 direct and hull frictions of filling, not being subject to directly, 4 of the reference columns of bump are outwards pushed by hull, thereby increased the frictional force that boats and ships are subject to, also can the grievous injury hull in the protection bridge, the damage of hull is minimized; In addition because cofferdam shell 1 has adopted strong corrosion resistant, the superior fibre reinforced composites of mechanical characteristic, can adapt to the various adverse circumstances such as river, seawater, reduced maintenance cost, had simple in structure, low cost of manufacture and characteristics convenient for installation and maintenance, suitable promoting the use of.
Above embodiment only for explanation technological thought of the present invention, can not limit protection scope of the present invention with this, every technological thought that proposes according to the present invention, and any change of doing on the technical scheme basis all falls within the protection domain of the present invention; The technology that the present invention does not relate to all can be realized by prior art.
Claims (10)
1. a bridge composite material shell is built husky cofferdam guard system, it is characterized in that described cofferdam guard system comprises cofferdam shell (1), be filled with buffering energy-consumption material (2) in the cofferdam shell (1), adopt cover plate (3) to bind on the top of cofferdam shell (1), describedly be filled with buffering energy-consumption material (2) and adopt the lower end of the cofferdam shell (1) that cover plate (3) binds to be positioned at the riverbed or be fixed on the cushion cap.
2. bridge composite material shell according to claim 1 is built husky cofferdam guard system, it is characterized in that being provided with in the described cofferdam shell (1) reference column (4) of vertical setting.
3. bridge composite material shell according to claim 2 is built husky cofferdam guard system, it is characterized in that the outside of described reference column (4) inside and/or reference column (4) is provided with reinforcing bar (5).
4. bridge composite material shell according to claim 2 is built husky cofferdam guard system, it is characterized in that eccentric placement of reference column (4) in the described cofferdam shell (1).
5. bridge composite material shell according to claim 2 is built husky cofferdam guard system, it is characterized in that a kind of in the composite wood stock column, reinforced concrete post, metal column, nylon column of described reference column (4).
6. bridge composite material shell according to claim 1 is built husky cofferdam guard system, it is characterized in that described cofferdam shell (1) adopts glass fabric and resin to make, what wherein glass fabric was single shaft in cloth, multiaxial fabric, grid cloth, fibrofelt or carbon cloth, basalt fiber cloth, the aryl fiber cloth is a kind of, and resin is a kind of in unsaturated polyester (UP), vinylite, epoxy resin or the inorganic resin.
7. bridge composite material shell according to claim 1 is built husky cofferdam guard system, it is characterized in that described cover plate (3) is one or more of composite material cover plate, reinforced concrete cover plate, metal cover board, polyurethane elastomer cover plate.
8. bridge composite material shell according to claim 1 is built husky cofferdam guard system, it is characterized in that described buffering energy-consumption material (2) makes after mixing for one or more and/or stone in the compound of sand, sand granular polystyrene foam and sand, granular polystyrene mortar, rubber grain, metal sand, haydite, foamed aluminium, foam, mao bamboon, the empty stomach lattice body.
9. bridge composite material shell according to claim 1 is built husky cofferdam guard system, it is characterized in that describedly being filled with buffering energy-consumption material (2) and adopting the lower end of the cofferdam shell (1) that cover plate (3) binds to be fixed on the cushion cap by flange (6).
10. bridge composite material shell according to claim 9 is built husky cofferdam guard system, it is characterized in that described flange (6) adopts glass fabric and resin to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310008551.8A CN103015372B (en) | 2013-01-10 | 2013-01-10 | Composite thin-shell sand-building cofferdam protection system for bridges |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310008551.8A CN103015372B (en) | 2013-01-10 | 2013-01-10 | Composite thin-shell sand-building cofferdam protection system for bridges |
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| CN103015372A true CN103015372A (en) | 2013-04-03 |
| CN103015372B CN103015372B (en) | 2015-07-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109721951A (en) * | 2017-10-31 | 2019-05-07 | 江苏创曦复合材料科技有限公司 | A kind of freeway guardrail composite material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109721951A (en) * | 2017-10-31 | 2019-05-07 | 江苏创曦复合材料科技有限公司 | A kind of freeway guardrail composite material |
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| CN103015372B (en) | 2015-07-01 |
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