CN204098025U - A kind of vibration sinking tube siccative pours into special-shaped bag pile and precast pile tip thereof and construction steel immersed tube - Google Patents
A kind of vibration sinking tube siccative pours into special-shaped bag pile and precast pile tip thereof and construction steel immersed tube Download PDFInfo
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Abstract
The utility model relates to a kind of vibration sinking tube siccative and pours into special-shaped bag pile, there is the solid pile body of siccative slurry of antiarch curved surface, as X-shaped, Y shape or cross, the cover plate of similar shape or circle is set on stake top, geotechnological cloth bag is established outside the solid stake of siccative slurry, bottom geotechnique's cloth bag, the precast pile tip identical with pile body shape connects, in geotechnique's cloth bag, uniform intervals arranges cage of reinforcement that is some and pile body similar shape, cage of reinforcement several wire rope are cascaded, pile body arranged outside be used for draining with pile body similar shape layer of sand, some sand wall wing plates are radially evenly set outside layer of sand.The utility model can accelerate the water suction consolidation of siccative, effectively prevent siccative stake core consolidation insufficient while adopting odd-shaped cross section to have larger side friction; The layer of sand of peripheral hardware can avoid mud particles to enter siccative simultaneously, affects the slurry tenacity of siccative, and layer of sand can play drainage always simultaneously, accelerates the effect of inter-pile soil consolidation, has good technical economic benefit.
Description
Technical field
The utility model relates to a kind of vibration sinking tube siccative and pours into special-shaped bag pile and precast pile tip thereof and construction steel immersed tube, belong to foundation engineering field, be applicable to the foundation treatment engineering in the hypodynamic soft clay area of foundation bearing, underconsolidated soil area, especially in the highway construction basement process that end of the bridge, culvert, passage etc. that Soft Soil Layer is thicker are higher to settlement request, there is larger advantage.
Background technology
China's soft foundation is of a great variety, widely distributed, generally has the features such as moisture content is high, compressibilty is large, intensity is low, bad hydraulic permeability.Often there is the engineering problems such as total settlement is excessive, relative settlement obvious, posterior settlement amount exceeds standard, supporting capacity is not enough in the building be built on soft foundation, affects normal usage energy and the security performance of building.In order to adapt to different treatment of soft foundation requirements, treatment of soft foundation Novel pile technology emerges in an endless stream.
At present, for the process of soft foundation, often consider consolidation and compound foundation method; Composite foundation reinforcing method originates from the sixties in 20th century, due to the bearing capacity of ground significantly can be improved, reduce foundation settlement, and effectively suppress foundation soil body this feature of lateral deformation and become a kind of more satisfactory Soft Ground mode, be worldwide all used widely.And consolidation first arranges vertical drainage passage (sand drain or plastic draining board) in ground, then utilize upper load to carry out piling prepressing to place, the pore water in the soil body is discharged, gradually consolidation, soil strength improves.
Shaped pile such as X, Y shape stake is in recent years promoted gradually in soft foundation engineering, to compare and has cambered inwards antiarch curved surface, have larger specific area with traditional round stake with square pile.As Chinese patent (CN2510540Y) discloses a kind of Y-shape bored concrete, its surface area is the circular stake 1.35 ~ 2 times of same section area, means that the stake that can reduce 1/4 ~ 1/2 is long, saves material, and add side friction, improve the supporting capacity of pile body.And shaped pile often adopts immersed tube bored construction technology, speed of application is fast, cost is low, little to ambient contamination, in Practical Project, achieve higher economic benefit and social benefit in application.
Although but Y shape stake has good mechanical property uses merely the stake of antiarch curved surface to carry out basement process at the deep area of coverage of weak soil, do not carry out the operation of draining, so still larger sedimentation may be produced.The place such as highway end of the bridge, culvert, passage higher to settlement request is perhaps difficult to meet design requirement.
Given this, need badly at present and shaped pile is innovated, make it the stake of existing antiarch curved surface and effectively improve pile body stress performance, there is higher bearing capacity and also can save material, improving the feature of material use efficiency, can have again and accelerate discharging consolidation function.
Utility model content
The purpose of this utility model overcomes deficiency of the prior art, there is provided one to take into account the length of consolidation and compound foundation method, effectively can improve the soft foundation of Lack of support, owe the vibration sinking tube siccative of foundation capability in consolidation area and pour into special-shaped bag pile and precast pile tip thereof and construction steel immersed tube.
For realizing above-mentioned technical purpose, the utility model have employed following technical scheme:
A kind of vibration sinking tube siccative pours into special-shaped bag pile, there is the solid stake pile body of siccative slurry of antiarch curved surface, the cover plate starching solid stake pile body similar shape or circle with the siccative with antiarch curved surface is set on stake top, geotechnological cloth bag is established outside the solid stake of siccative slurry, bottom geotechnique's cloth bag, the precast pile tip identical with pile body shape connects, in geotechnique's cloth bag, uniform intervals arranges deformed bar skeleton that is some and pile body similar shape, deformed bar skeleton wire rope is cascaded, pile body arranged outside be used for draining with pile body similar shape layer of sand, some sand wall wing plates are radially evenly set outside layer of sand.
As preferably: the siccative stereoplasm stake pile body cross section that described vibration sinking tube siccative pours into special-shaped bag pile can be have the Y shape of antiarch curved surface, X-shaped or cross.
As preferably: by 3 ~ 4 wire rope series connection between deformed bar skeleton.
As preferably: described wire rope has flexibility, and deformed bar skeleton can be stacked together, and during tense wire rope, deformed bar skeleton opens.
This vibration sinking tube siccative pours into the precast pile tip of special-shaped bag pile, cross sectional shape is identical with layer of sand with outer sectional dimension, arrange strip sand wall wing plate blind end in the midpoint of antiarch curved surface, stake end top arranges interior immersed tube groove and starches with outer immersed tube groove and with siccative the pile top connecting reinforcement consolidated stake and be connected.
As preferably: described precast pile tip is tip pile top or tack pile top.
This vibration sinking tube siccative pours into the construction steel immersed tube of special-shaped bag pile: form double-deck profile iron immersed tube by interior immersed tube and outer immersed tube, and described interior immersed tube is profile iron immersed tube, and it is consistent that solid stake cross sectional shape starched by cross sectional shape and siccative; Described outer immersed tube is band sand wall wing plate layer of sand steel immersed tube, and profile is roughly consistent with interior immersed tube, and size is greater than interior immersed tube, and has set up three to form the elongated cavity of sand wall wing plate.
The beneficial effects of the utility model are:
(1) pile body adopts Y shape, X-shaped or cross, more traditional round stake and square pile have larger specific area, effectively expand the side friction of pile body, add the supporting capacity of pile body, the water suction consolidation of siccative can also be accelerated simultaneously, avoid the solid stake stake core consolidation of siccative slurry insufficient.
(2) length of consolidation and compound foundation method is collected, moisture generation sclerous reaction in Absorbable rod ground, be formed with the solid pile body of siccative slurry of some strength, constantly absorb water from ground in the process of the solid stake consolidation and sclerosis of siccative slurry, can soil solidifying be accelerated.
(3) the solid stake outer setting of siccative slurry starch the layer of sand of solid stake similar shape and the sand wall wing plate along the radial branch of layer of sand with siccative, drainage can be played always, and expand draining scope, achieve the discharging consolidation of foundation soil, reduce the posterior settlement deflection of the soil body.
(4) the geotechnological cloth bag of solid stake outer setting is starched at siccative, effect of contraction is played to the solid pile body of siccative slurry, auxiliary siccative compacted, strengthen strength of the mixing pile, geotechnological cloth bag coordinates outside layer of sand to avoid the mud particles in the soil body to enter in siccative simultaneously affects the intensity of siccative water suction solidification.
(5) deformed bar skeleton that is upper and pile body similar shape is evenly sewed up at equal intervals inside geotechnological cloth bag, by the series connection of 3-4 root wire rope between steel frame, deformed bar skeleton plays the effect for the solid stake arrangement of reinforcement of siccative slurry, increase pile strength, solve the problem of special-shaped pile body not easily arrangement of reinforcement.
(6) adopt immersed tube bored technique, construction technology is simple, being applied to by this patent in the process engineering of soft base, without the need to carrying out piling prepressing draining, having saved the duration, reduce difficulty and the construction costs of construction organization.
(7) siccative that pile body adopts is the active material that flyash, lime, sulfate cement, gypsum etc. mix by design mixture proportion, and water suction solidification forms, and material source is wide, cost-saving.
Accompanying drawing explanation
Fig. 1 is the stereogram (without cover plate) that the utility model vibration sinking tube siccative pours into special-shaped bag pile
Fig. 2 is the stereogram (special-shaped cover plate) that the utility model vibration sinking tube siccative pours into special-shaped bag pile;
Fig. 3 is the stereogram (circular cover) that the utility model vibration sinking tube siccative pours into special-shaped bag pile;
To be Fig. 2 pour into special-shaped bag pile schematic perspective view along the vibration sinking tube siccative of A-A line partly cut-away to Fig. 4;
Fig. 5 is the cross-sectional drawing that vibration sinking tube siccative pours into special-shaped bag pile and blocks along steel frame;
Fig. 6 is tip precast pile tip stereogram;
Fig. 7 is flat precast pile tip stereogram;
Fig. 8 is deformed bar cage construction schematic perspective view;
Fig. 9 is clad steel immersed tube stereogram;
Figure 10 is that vibration sinking tube siccative pours into special-shaped bag pile construction process figure;
Description of reference numerals: the solid stake 2 of cover plate 1, siccative slurry, layer of sand 3, sand wall wing plate 4, geotechnological cloth bag 5, deformed bar skeleton 6, wire rope 7, precast pile tip 8, pile top connecting reinforcement 9, outer immersed tube groove 10, interior immersed tube groove 11, sand wall wing plate blind end 12, double-deck special-shaped immersed tube 13, outer immersed tube 14, interior immersed tube 15.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described further.Although the utility model will be described in conjunction with preferred embodiment, should know, not represent the utility model restriction in the described embodiment.On the contrary, the utility model will contain can be included in attached claims limit scope of the present utility model in alternative, modified and equivalent.
Be not repeated in the present embodiment such as the solder technology of immersed tube requires, immersed tube sets and lift technique requires, cover plate Reinforcement Design parameter and construction requirement, the concrete embodiment of setting forth the utility model and relating to structure.
The vibration sinking tube siccative of the present embodiment pours into special-shaped bag pile, there is the solid pile body of siccative slurry of antiarch curved surface, as X-shaped, Y shape or cross, the cover plate 1 of similar shape or circle is set on stake top, geotechnological cloth bag 5 is established outside the solid stake 2 of siccative slurry, bottom geotechnique's cloth bag 5, the precast pile tip 8 identical with pile body shape connects, in geotechnique's cloth bag 5, uniform intervals arranges deformed bar skeleton 6 that is some and pile body similar shape, deformed bar skeleton 6 wire rope 7 is cascaded, pile body arranged outside be used for draining with pile body similar shape layer of sand 3, some sand wall wing plates 4 are disposed radially outside layer of sand 3.
Utilize the double-deck immersed tube of the special abnormity of construction, making siccative starch solid stake 2 pile body is the special-shaped pile body with antiarch curved surface, compared with traditional circular stake, barrette, there is larger specific area, not only there is the water absorbing capacity that bearing capacity that larger side friction strengthens pile body also enhances pile body; Have by the special-shaped siccative of antiarch curved surface slurry solid stake 2 pile body surface more circular and square comparatively near apart from the distance at center simultaneously, effectively prevent circular or square siccative stake core consolidation is insufficient, solid intensity is starched in impact water suction.
Flyash is added other cementitious material (lime, cement), mix is even, forms active material, and these active materials water water that can absorb in ground makes lime hydration form calcium hydroxide, then powdered activated material generation hydration reaction is made, until consolidation and sclerosis.Simultaneously at the arranged outside geotechnique cloth bag 5 of active material, can retrain, the pile body formed is hardened in the water suction of compacted active material.
With the deformed bar skeleton 6 of pile body similar shape on evenly sewing up at equal intervals inside geotechnological cloth bag 5, connected by 3-4 root wire rope 7 between steel frame, deformed bar skeleton 6 plays the effect to solid stake 2 arrangement of reinforcement of siccative slurry, strengthens strength of the mixing pile.
The pile body formed in the solid sclerosis of siccative slurry arranges with the layer of sand of pile body similar shape with along layer of sand radially-arranged sand wall wing plate (stretching out the outward flange of cover plate outside sand aileron) outward, the layer of sand design of abnormity enhances its drainability, sand wall wing plate then expands the draining scope of structure, layer of sand not only can play the effect of discharging consolidation simultaneously, geotechnological cloth bag 5 can also be coordinated simultaneously to play and to stop that mud particles enters the effect of siccative, avoid the intensity affecting siccative consolidation and sclerosis.
Further, namely the pile top of employing can be that flat pile top also can adopt tip pile top.The making of pile top needs precasting yard to carry out concentrating making in strict accordance with designing requirement.When carrying out stripping process, tip pile top needs upset to make tip upwards demoulding maintenance, and flat pile top does not need upset.During construction, select tip pile top or tack pile top according to concrete site condition and construction requirement.The cross sectional shape of described precast pile tip 8 is identical with layer of sand 3 with outer sectional dimension, and stake end top arranges twice immersed tube groove: outer immersed tube groove 10 and interior immersed tube groove 11, the appearance and size of groove and the inside and outside immersed tube of clad steel immersed tube completely the same; Precast pile tip 8 top also arranges the pile top connecting reinforcement 9 starched with siccative and consolidate stake 2 and be connected.
The utility model additionally provides and is a kind ofly exclusively used in the immersed tube that above-mentioned siccative pours into special-shaped bag pile, it is characterized in that, the steel immersed tube that construction adopts is double-deck profile iron immersed tube 13, and interior immersed tube 15 be profile iron immersed tube, and cross sectional shape and siccative starch that to consolidate stake cross sectional shape consistent; Outer immersed tube 14 is band sand wall wing plate layer of sand steel immersed tube, and profile is roughly consistent with interior immersed tube 15, and size is greater than interior immersed tube 15, and has set up 3 to form the elongated cavity of sand wall wing plate 4.
Fig. 1 ~ 5 are that the utility model vibration sinking tube siccative pours into special-shaped bag pile structural representation.With reference to shown in Fig. 1 ~ 5, vibration sinking tube siccative pours into special-shaped bag pile and mainly comprises precast pile tip 8, and special-shaped siccative is starched solid stake 2, pile body outsourcing abnormity geotechnological cloth bag 5, pile body peripheral hardware layer of sand 3 and sand wall wing plate 4, formed with pile body similar shape abnormity or circular cover 1.
As shown in Figure 9, the interior immersed tube 15 of double-deck profile iron immersed tube 13, wall thickness is 12mm, and cross sectional shape is Y shape, and its circumscribed circle diameter is 400mm; Outer immersed tube cross sectional shape be Y shape basis at antiarch curved surface mid point, strip rectangular enclosure in order to form sand wall wing plate is set, Y shape circumscribed circle diameter is 500mm, and the length of rectangular enclosure is 500mm, and width is 50mm, the strength grade of steel plate is Q345, and thickness of slab is 12mm.
As shown in Figure 6,7, precast pile tip 8 profile is consistent with outer immersed tube 14 profile, and antiarch curved surface midpoint arranges sand wall wing plate blind end 12, and its Y shape part outsourcing circular diameter is 550mm, and sand wall pile top segment thickness is 70mm, and width is 550mm; Pile top cement adopts 42.5# Portland cement, strength grade of concrete is C30, precast pile tip 8 top arranges outer immersed tube groove 10 and interior immersed tube groove 11, appearance and size is consistent with inside and outside immersed tube, depth of groove is 20mm, preset connecting reinforcement in order to pile top and pile body are effectively connected pile top top, bar diameter is 10mm, stretches out pile top surface 400mm.
The siccative that vibration sinking tube siccative pours into the employing of special-shaped bag pile is that flyash, lime, sulfate cement, gypsum etc. mix by design mixture proportion.The technical indicator of flyash should meet III grade of index but must control its water content≤1%, and the largest particles diameter of industrial slag is not more than 3cm; Quicklime should reach the technical indicator of building quicklime certified products, and calcium oxide content will reach more than 97%, and raw burning rate is less than 10%; The layer of sand adopted and the sand material of sand wall wing plate adopt the medium sand of prototype gradation, and mud content is less than 3%.
Geotechnological cloth bag 5 material adopted adopts non-woven geotextile, its technical indicator mass area ratio >=200g/m2, tearing brute force >=100N.
As shown in Figure 10, to pour into the main construction course of special-shaped bag pile as follows for vibration sinking tube siccative:
1) preparation of construction: after construction plant has been cleared up, is first fixed on inside geotechnological cloth bag 5 by deformed bar skeleton 6 uniform intervals, and steel frame 6 3-4 root wire rope 7 is cascaded, and wire rope 7 length is longer than geotechnological cloth bag 5; Gluing or improving bud grafting is adopted to be connected with precast pile tip 8 by geotechnological cloth bag 5.
2) double-deck special-shaped immersed tube sets: the outer immersed tube groove 10 snapping in concrete prefabricated pile top 8 end face bottom special-shaped for bilayer immersed tube 13 is connected with interior immersed tube groove 11 and is fixed, just geotechnological cloth bag 5 is placed in inside interior immersed tube 15, subsequently by special-shaped for bilayer immersed tube 13 together with precast pile tip 8, what start immersed tube afterwards sets construction, static pressure, immersed tube is changed into after first pile pipe vibration being penetrated the heavy pan soil of table, should slowly pressurize when static pressure, immersed tube starts, make it firm after can loading, immersed tube should keep average rate to stablize, after pile frame lifts again vibration sinking tube to design altitude, the process that sets keeps pile frame vertical, immersed tube presses down speed and remains on 0.6 ~ 1.2m/min simultaneously,
3) pile body siccative and sand material are filled: after design attitude got to by immersed tube by stay cord by deformed bar skeleton 6 and geotechnological cloth bag 5 stretching, according to siccative and sand amount in the fullness coefficient of test pile and pipe, calculate amount of filler, then fill siccative and medium coarse sand with batch meter respectively in interior immersed tube 15 and outer immersed tube 14;
4) pile body is shaping: adopt in pipe mode of gently extricating oneself from a predicament and brace oneself up to action and pull out, and starts tube drawing again, pipe-pulling speed 1.5 ~ 2m/min, rush siccative and sand amount in fullness coefficient and pipe, carry out aerial feeding when needing according to test pile before immersed tube tube drawing after first stopping vibration 30s;
5) stake top sets water injection pipe and carries out water filling: after pipe construction step of gently extricating oneself from a predicament and brace oneself up to action completes, and carries out water injection pipe immediately set in solid stake 2 top center of siccative slurry.According to the construction depth of the concrete geology condition determination water injection pipe in place, carry out water filling by water injection pipe afterwards.
6) cover plate construction: the construction carrying out cover plate 1 after pile driving construction completes immediately, to the arrangement of reinforcement that cover plate 1 is suitable for, can also arrange connecting reinforcement on stake top as required in addition.If cover plate 1 adopts concrete material to need to arrange impervious barrier at layer of sand 3 and sand wall wing plate 4 top.
For ensureing suitable full and avoiding over filling, with disturbed soil unduly, immersed tube press down and on follow the principle of " injection of static pressure ancillary vibration, gently extricate oneself from a predicament and brace oneself up to action " in the process of pulling out.Change static pressure, immersed tube into after taking first pile pipe vibration to be penetrated the heavy pan soil of table, should slowly pressurize when static pressure, immersed tube starts, make it firm after can loading, immersed tube should keep average rate to stablize, after pile frame lifts again vibration sinking tube to design altitude.
Claims (7)
1. a vibration sinking tube siccative pours into special-shaped bag pile, it is characterized in that, there is solid stake (2) pile body of siccative slurry of antiarch curved surface, the cover plate (1) starching solid stake (2) pile body similar shape or circle with the siccative with antiarch curved surface is set on stake top, geotechnological cloth bag (5) is established in solid stake (2) outside of siccative slurry, geotechnique's cloth bag (5) bottom precast pile tip (8) identical with pile body shape connects, geotechnique's cloth bag (5) interior uniform intervals arranges deformed bar skeleton (6) that is some and pile body similar shape, deformed bar skeleton (6) wire rope (7) is cascaded, pile body arranged outside be used for draining with pile body similar shape layer of sand (3), layer of sand (3) outside radially evenly arranges some sand wall wing plates (4).
2. vibration sinking tube siccative according to claim 1 pours into special-shaped bag pile, it is characterized in that: siccative stereoplasm stake (2) the pile body cross section that described vibration sinking tube siccative pours into special-shaped bag pile can be have the Y shape of antiarch curved surface, X-shaped or cross.
3. vibration sinking tube siccative according to claim 1 pours into special-shaped bag pile, it is characterized in that: by 3 ~ 4 wire rope (7) series connection between deformed bar skeleton (6).
4. vibration sinking tube siccative according to claim 1 pours into special-shaped bag pile, it is characterized in that: described wire rope (7) has flexibility, deformed bar skeleton (6) can be stacked together, time tense wire rope (7), deformed bar skeleton (6) opens.
5. a vibration sinking tube siccative according to claim 1 pours into the precast pile tip of special-shaped bag pile, it is characterized in that: cross sectional shape is identical with layer of sand (3) with outer sectional dimension, arrange strip sand wall wing plate blind end (12) in the midpoint of antiarch curved surface, stake end top arranges interior immersed tube groove (11) and starches with outer immersed tube groove (10) and with siccative the pile top connecting reinforcement (9) consolidated stake (2) and be connected.
6. precast pile tip according to claim 5, is characterized in that: described precast pile tip is tip pile top or tack pile top.
7. a vibration sinking tube siccative according to claim 1 pours into the construction steel immersed tube of special-shaped bag pile, it is characterized in that: form double-deck profile iron immersed tube (13) by interior immersed tube (15) and outer immersed tube (14), described interior immersed tube (15) is profile iron immersed tube, and it is consistent that solid stake cross sectional shape starched by cross sectional shape and siccative; Described outer immersed tube (14) is band sand wall wing plate layer of sand steel immersed tube, profile is roughly consistent with interior immersed tube (15), size is greater than interior immersed tube (15), and has set up three to form the elongated cavity of sand wall wing plate (4).
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| CN201420499276.4U CN204098025U (en) | 2014-09-01 | 2014-09-01 | A kind of vibration sinking tube siccative pours into special-shaped bag pile and precast pile tip thereof and construction steel immersed tube |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234045A (en) * | 2014-09-01 | 2014-12-24 | 安徽省交通建设有限责任公司 | Vibrating immersed tube dry material perfusion special-shaped woven bag pile and construction method |
| CN106948335A (en) * | 2017-04-01 | 2017-07-14 | 温州大学 | Special-shaped sand drain combines board-plugging device with drain bar |
| CN111364448A (en) * | 2018-12-26 | 2020-07-03 | 北京中岩大地科技股份有限公司 | Cross-shaped steel pipe combined pile with dual functions of bearing and draining |
| RU2819059C1 (en) * | 2024-02-27 | 2024-05-13 | Общество с ограниченной ответственностью "РусГазШельф" | Underwater system for retention of a structure floating on the surface or in the water column (versions), a pile for it (versions), a weight for such a pile, and a method for installing such an underwater system |
-
2014
- 2014-09-01 CN CN201420499276.4U patent/CN204098025U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234045A (en) * | 2014-09-01 | 2014-12-24 | 安徽省交通建设有限责任公司 | Vibrating immersed tube dry material perfusion special-shaped woven bag pile and construction method |
| CN104234045B (en) * | 2014-09-01 | 2016-01-06 | 安徽省交通建设有限责任公司 | A kind of vibration sinking tube siccative pours into the construction method of special-shaped bag pile |
| CN106948335A (en) * | 2017-04-01 | 2017-07-14 | 温州大学 | Special-shaped sand drain combines board-plugging device with drain bar |
| CN106948335B (en) * | 2017-04-01 | 2019-08-16 | 温州大学 | Special-shaped sand drain combines board-plugging device with drain bar |
| CN111364448A (en) * | 2018-12-26 | 2020-07-03 | 北京中岩大地科技股份有限公司 | Cross-shaped steel pipe combined pile with dual functions of bearing and draining |
| RU2819059C1 (en) * | 2024-02-27 | 2024-05-13 | Общество с ограниченной ответственностью "РусГазШельф" | Underwater system for retention of a structure floating on the surface or in the water column (versions), a pile for it (versions), a weight for such a pile, and a method for installing such an underwater system |
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Address after: 230041 No. 310, Suixi Road, Luyang District, Anhui, Hefei Patentee after: Anhui traffic construction Limited by Share Ltd Address before: 230041 Suixi Road, Anhui, China, No. 310, No. Patentee before: ANHUI GOURGEN TRAFFIC CONSTRUCTION CO., LTD. |