CN208815543U - Side slope surface ruggedized construction - Google Patents
Side slope surface ruggedized construction Download PDFInfo
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- CN208815543U CN208815543U CN201821310233.1U CN201821310233U CN208815543U CN 208815543 U CN208815543 U CN 208815543U CN 201821310233 U CN201821310233 U CN 201821310233U CN 208815543 U CN208815543 U CN 208815543U
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- slope surface
- shuting
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Abstract
The utility model relates to a kind of side slope surface ruggedized constructions, including Anchored frame beam, Anchored frame beam includes the multiple crossbeams and multiple stringers being criss-cross arranged, gutter is equipped in side slope surface bottom end, at least part of stringer is equipped with longitudinal drainage slot, at least part of crossbeam is equipped with lateral shuting, and each transverse direction shuting is connected with adjacent longitudinal drainage slot respectively, and each longitudinal drainage slot is connected with gutter.While guaranteeing side slope consolidation effect, it can carry out slope surface dispersion draining: the channel that upper slope surface water within the scope of side slope protection enters Caused by Sloping Surfaces is truncated by lateral shuting, Caused by Sloping Surfaces is washed away in reduction, pass through the drainage network of each longitudinal drainage slot and lateral shuting composition, slope surface water is drained in gutter, avoid the formation of slope surface ponding, the surface water capacity penetrated into side slope is reduced significantly, the hidden danger that side slope generates unstability, slips the disadvantageous geologic conditions such as collapse, come down is eliminated, the stability of side slope is enhanced.
Description
Technical field
The utility model belongs to field of engineering technology, and in particular to a kind of side slope surface ruggedized construction.
Background technique
As high-speed railway constantly develops to Gao Ludi, heavy cut direction, Reinforcing High Slope has become a kind of important supporting
Means.Since southern rainfall is more, infiltration is an important factor for influencing slope stability in side slope, and rainwater, which penetrates into side slope, leads to rock
The soil body contains water saturation, and soil softening, cohesive strength reduce, if not taking drainage measure appropriate, side slope will be easy to appear unstability
And slip and collapse, or even cause mud-rock flow, existing line is washed away, very big threat is brought to railway security.
Traditional High Slope Protection and reinforcement means has mortar rubble masonry pavement, skeleton slope protection, Anchored frame beam reinforcing etc.；Slurry
Slabstone slope protection, skeleton slope protection are built suitable for the preferable side slope protection of geological conditions, reinforcement effect, frame anchor are not had to Rock And Soil
Bar beam, which is reinforced, is suitable for soil property high cutting slope and rock crushing, the serious High Cut Slope slope reinforcing of weathering, but slope surface is arranged
Water function is poor, and no drainage channel, slope surface water can not be discharged in time, is easy to cause slope surface that ponding is concentrated to form coombe, and then cause
Side slope collapse unstability, influences slope stability.
Utility model content
The utility model embodiment is related to a kind of side slope surface ruggedized construction, and the part that can at least solve the prior art lacks
It falls into.
The utility model embodiment is related to a kind of side slope surface ruggedized construction, including Anchored frame beam, the anchor bolt frame
Beam includes the multiple crossbeams and multiple stringers being criss-cross arranged, and is equipped with gutter, at least part of institute in side slope surface bottom end
Stringer is stated equipped with longitudinal drainage slot, at least part of crossbeam is equipped with lateral shuting, each lateral shuting point
It is not connected with the adjacent longitudinal drainage slot, each longitudinal drainage slot is connected with the gutter.
As one of embodiment, the transverse direction shuting includes that the corresponding cross is arranged in along side slope surface inclined direction
The lateral water fender in beam bottom portion, the transverse direction water fender enclose to set to form L-type to projection on the outside of side slope and with the corresponding crossbeam
Slot.
As one of embodiment, each lateral shuting transversely has the gradient not less than 4%.
As one of embodiment, the longitudinal drainage slot includes two pieces of longitudinal water fenders, two longitudinal water fender difference
Set on the corresponding stringer two transverse ends and enclose to projection on the outside of side slope and with the corresponding stringer set to be formed it is U-shaped
Slot.
As one of embodiment, expansion joint is equipped on each crossbeam.
As one of embodiment, pitch hemp cut is packed in each expansion joint.
As one of embodiment, the Anchored frame beam further includes multiple anchor poles, and each anchor pole is respectively arranged on the anchor
At the node of bar Vierendeel girder.
As one of embodiment, Yu Bianpo top of the slope is equipped with lateral intercepting ditch.
As one of embodiment, be equipped with fringing at the top and bottom of side slope surface, two fringings respectively with the anchor pole frame
The top and bottom connection set a roof beam in place.
As one of embodiment, the Anchored frame beam section of the transverse direction shuting and longitudinal drainage slot intersection
Point is that polygon expands head node.
The utility model embodiment at least has the following beneficial effects: that side slope surface provided by the utility model reinforces knot
Structure reinforces stable side slope using Anchored frame beam, guarantees the consolidation effect of side slope, while can carry out slope surface dispersion draining,
Wherein, the channel that upper slope surface water within the scope of side slope protection enters Caused by Sloping Surfaces is truncated by lateral shuting, reduced to Caused by Sloping Surfaces
It washes away, and slope surface water is converged in longitudinal drainage slot, the drainage network being made up of each longitudinal drainage slot and lateral shuting,
Slope surface water is drained in gutter, allows the water to drain in time, avoids the formation of slope surface ponding, reduce infiltration side slope significantly
In surface water capacity, eliminate side slope and generate unstability, slip the hidden danger of the disadvantageous geologic conditions such as collapse, come down, enhance the stabilization of side slope
Property.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram of side slope surface ruggedized construction provided by the embodiment of the utility model；
The cross-sectional view that Fig. 2 is in Fig. 1 I-I；
The cross-sectional view that Fig. 3 is in Fig. 1 II-II；
The cross-sectional view that Fig. 4 is in Fig. 1 III-III；
Fig. 5 is the structural schematic diagram of thick bamboo tube stake provided by the embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
All other embodiment obtained, fall within the protection scope of the utility model.
Such as Fig. 1-Fig. 4, the utility model embodiment provides a kind of side slope surface ruggedized construction, including Anchored frame beam, institute
Stating Anchored frame beam includes the multiple crossbeams 1 and multiple stringers 2 being criss-cross arranged, and is equipped with gutter 5 in side slope surface bottom end,
At least part of stringer 2 is equipped with longitudinal drainage slot 8, and at least part of crossbeam 1 is equipped with lateral shuting 9, respectively
The transverse direction shuting 9 is connected with the adjacent longitudinal drainage slot 8 respectively, each longitudinal drainage slot 8 with the draining
Ditch 5 is connected.It is easy-to-understand to, the length direction of above-mentioned stringer 2 is parallel with side slope surface；Preferably, above-mentioned Anchored frame beam is
Square box structure, i.e., each 1 length direction of crossbeam preferably and horizontal direction parallel, each crossbeam 1 and each 2 vertical interlaced of stringer and
At least partly it is embedded in side slope.It further preferably is respectively provided with longitudinal drainage slot 8 on each stringer 2, on each crossbeam 1
Lateral shuting 9 is set, to guarantee the drainage performance of the ruggedized construction.Above-mentioned gutter 5 is preferably transversely arranged, certainly
It can connect longitudinal branch.
Side slope surface ruggedized construction provided in this embodiment reinforces stable side slope using Anchored frame beam, guarantees side slope
Consolidation effect, while can carry out slope surface dispersion draining, wherein by lateral shuting 9 be truncated side slope protection within the scope of on
Slope surface water enters the channel of Caused by Sloping Surfaces, and Caused by Sloping Surfaces is washed away in reduction, and slope surface water is converged in longitudinal drainage slot 8, passes through
The drainage network that each longitudinal drainage slot 8 is formed with lateral shuting 9, slope surface water is drained in gutter 5, allow the water to and
When drain, avoid the formation of slope surface ponding, reduce significantly penetrate into side slope in surface water capacity, eliminate side slope generate unstability, slip collapse,
The hidden danger of the disadvantageous geologic conditions such as landslide, enhances the stability of side slope.Side slope surface ruggedized construction pair provided in this embodiment
Soil property high cutting slope and rock crushing, the serious High Cut Slope slope reinforcing effect of weathering are preferable.
The channel that upper slope surface water within the scope of side slope protection enters Caused by Sloping Surfaces can be truncated in above-mentioned transverse direction shuting 9, can be used
Following structure: such as Fig. 4, the transverse direction shuting 9 includes that corresponding 1 bottom of the crossbeam is arranged in along side slope surface inclined direction
The lateral water fender in portion, the transverse direction water fender enclose to set to form L-type slot to projection on the outside of side slope and with the corresponding crossbeam 1,
It that is to say that the transverse direction water fender is arranged in one end of the close side slope surface bottom of crossbeam 1, plate face is preferably hung down with crossbeam 1
Directly, it so that the two connects into L-type structure, can be blocked from the water under upper overland flow by the water fender.It is further preferred that be so that
Trap water in lateral shuting 9 can smoothly flow therein in adjacent longitudinal drainage slot 8, and each lateral shuting 9 is arranged along cross
To with certain gradient, in the present embodiment, which is not less than 4%；It is further preferred that between two neighboring stringer 2
1 beam section of crossbeam is arranged respectively to the slope for having certain from the 1 beam section middle position of crossbeam to the direction of the two neighboring stringer 2
Degree, so that the trap water in the transverse direction shuting 9 can two sides shunt to the left and right simultaneously.
For above-mentioned longitudinal drainage slot 8, following structure can be used: such as Fig. 3, the longitudinal drainage slot 8 includes two
Block longitudinal direction water fender, two longitudinal water fenders are respectively arranged on two transverse ends of the corresponding stringer 2 and to side slope outsides
Projection simultaneously encloses to set to form U-type groove with the corresponding stringer 2；Two longitudinal water fender plate faces are preferably vertical with stringer 2.
It is to be appreciated that above-mentioned transverse direction shuting 9 and longitudinal drainage slot 8 are not limited to above structure, such as lateral shuting 9
It is also possible to V-groove, U-type groove etc., longitudinal drainage slot 8 is also possible to V-groove, semi-circular groove etc., is not described in detail one by one herein.?
In the present embodiment, above-mentioned Anchored frame beam beam face is concordant with side slope surface, i.e., other each faces of each crossbeam 1 and each stringer 2 are buried
In side slope, and lateral surface is concordant with side slope surface, to guarantee firm effect and drainage effect；Above-mentioned each crossbeam 1 and each
The deck-siding of stringer 2 is consistent with deck-molding, and deck-siding and deck-molding are within the scope of 0.4~0.6m.Above-mentioned transverse direction water fender and longitudinal gear
The thickness of water plate is preferably in 6~8cm, in fact it is highly preferred that for 8~10cm (protruding from the length in Anchored frame beam beam face), with
Convenient for slope drainage.It is further preferred that above-mentioned each crossbeam 1, each stringer 2, each lateral water fender and each longitudinal water fender are adopted
With reinforced concrete structure, and it is preferably cast-in-place at an entirety, guarantee the firm effect of structural strength and side slope.
It is further preferred that such as Fig. 1, the anchor pole frame of the transverse direction shuting 9 and 8 intersection of longitudinal drainage slot
Node of setting a roof beam in place be polygon expand head node, can be improved catchment, drainage effect.
It is further preferred that drainage blanket can be set in side slope, the lateral shuting of the drainage blanket and the top 9
In in same level, drainpipe is buried in the drainage blanket and each drainpipe is connected to adjacent lateral shuting 9, favorably
It is discongested in top of the slope internal water to above-mentioned drainage network, improves the firm effect of side slope.
The structure of above-mentioned Anchored frame beam is advanced optimized, which further includes multiple anchor poles 3, and each anchor pole 3 divides
It She Yu not be at the node of Anchored frame beam, it is ensured that the structural strength of the Anchored frame beam, and then guarantee the firm of side slope
Effect, the node are also stringer 2 and 1 intersection of crossbeam.It is further preferred that the angle between anchor pole 3 and horizontal plane controls
Within the scope of 15~30 °, 3 length of anchor pole is determined according to slope height, slope geological characteristic etc.；Anchor pole 3 is preferably exposed
Bending improves anchoring effect, and protruded length is preferred with 10cm or so, and using concrete enclosing (such as the C35 coagulation of thickness 0.07m
Grave closes), anchor pole 3 pours simultaneously with Vierendeel girder.
Referring to Figure 1, the structure of above-mentioned Anchored frame beam is advanced optimized, is equipped with expansion joint 11 on each crossbeam 1,
Guarantee the functional reliability of the Anchored frame beam.Filling pitch hemp cut is both preferably in each expansion joint 11.Each expansion joint 11
It is preferably arranged successively and is located along the same line along longitudinal direction, be further preferably arranged one every 10~20m along longitudinal direction and stretch
Contracting seam 11；In the present embodiment, the slit width at above-mentioned expansion joint 11 is 0.02m, and each expansion joint 11 is through seam.
As preferred embodiment, such as Fig. 2, Yu Bianpo top of the slope is equipped with lateral intercepting ditch 4, side slope protection model is truncated
Slope surface water other than enclosing enters side slope face.In the present embodiment, the section of the transverse direction intercepting ditch 4 is preferably inverted trapezoidal；Above-mentioned row
The section in ditch 5 may be inverted trapezoidal.
Fringing 6, two fringings 6 are equipped at the top and bottom of side slope surface such as Fig. 1 and Fig. 2 as preferred embodiment
It is connect respectively with the top and bottom of the Anchored frame beam；The fringing 6 is for stablizing top of the slope and slope foot.In the present embodiment, on
The width for stating fringing 6 is 50~60cm, with a thickness of 40~50cm, can reach preferably firm effect.
In addition, such as Fig. 1, can in each sash of above-mentioned Anchored frame beam grass planting vegetation 7, not only can greening environment, but also can be with
By root system consolidated soil, enhance slope stability.It, can be in above-mentioned Anchored frame beam as further preferred embodiment
Thick bamboo tube stake 13 is implanted into each sash, such as Fig. 5, which is outer straight hollow structure, and one end opening, the other end are closed,
The closed end of thick bamboo tube stake 13 has pointed stake 132, is equipped at intervals with several eyelets 131 along its axis direction in thick bamboo tube stake 13.By this
Kind of thick bamboo tube stake 13 is vertically squeezed into side slope, can be played the role of good Water-saving effect, be played water receiver: water in side slope from
The inner infiltration of eyelet 131 of thick bamboo tube stake 13, and be flowed into the hollow space of thick bamboo tube stake 13 from 13 open end of thick bamboo tube stake, thick bamboo tube stake
The closing of 13 other ends, water reservation is obvious, and it is just very slow that water is easy into still the outflow of eyelet 131 from below, but not will cause
The situation of Man Zeyi, ponding is in slow flow event in thick bamboo tube stake 13；Product in even dry season in non-rainy season, in thick bamboo tube stake 13
Water just plays an important role, and since the periphery soil body starts to dry out, near ponding face, the ponding in thick bamboo tube stake 13 can lead to
It crosses tiny eyelet 131 and spreads to periphery to the soil body and keep the skin wet, be similar to law of connected vessels, and prolonged ponding and bamboo
Cylinder stake 13 material reason, the 13 periphery soil body of thick bamboo tube stake will not heat up it is too high, can effectively play self-restraint water and soil effect, to have
The solid slope protection in effect ground, cooperates the grass planting vegetation 7 planted in side slope, the survival rate of grass planting vegetation 7 can be improved, and guarantees slope protection effect
Fruit.The production method of above-mentioned thick bamboo tube stake 13 approximately as: can be selected diameter 10cm Bamboo bar be cut into 1m~1.5m length
Thick bamboo tube, except one section of the bottom retains outer, the hard section film among thick bamboo tube is all got through, and becomes outer directly hollow barrel-like structure；For
Laborsaving easily to squeeze into soil layer, thick bamboo tube bottom extra trifle part is whittled into pointed stake 132 with chopper；From minor details toward thick bamboo tube mouth
Direction symmetrically makes a call to four every 15~20cm (about on the thick bamboo tube wall of two rings center) perforating hole 131 on thick bamboo tube cross section
The diameter of eyelet 131, eyelet 131 is not more than 1cm.
The work progress of side slope surface ruggedized construction provided in this embodiment approximately as:
Slope surface surface dust should first be cleaned before construction with water, fill up hole it is recessed, keep slope surface substantially smooth；If slope surface is locally soft, should excavate
And use the embedding benefit of concrete；
Using slope excavating → smooth slope surface → determine hole location → drilling machine it is in place → adjustment height → drilling → borehole cleaning → peace
Fill 3 → slip casting of anchor pole → benefit slurry (depending on actual conditions) → construction anchor beam sequence of construction；Vierendeel girder should in 3 hole of anchor pole sand
Slurry intensity, which reaches 70% of design strength or more, to construct.Vierendeel girder answers first unwrapping wire to excavate groove, and position, spacing, size are answered
Strictly by design requirement measuring, construction.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of side slope surface ruggedized construction, including Anchored frame beam, the Anchored frame beam include be criss-cross arranged it is more
A crossbeam and multiple stringers, it is characterised in that: be equipped with gutter in side slope surface bottom end, at least part of stringer is equipped with
Longitudinal drainage slot, at least part of crossbeam are equipped with lateral shuting, each lateral shuting respectively with adjacent institute
The conducting of longitudinal drainage slot is stated, each longitudinal drainage slot is connected with the gutter.
2. side slope surface ruggedized construction as described in claim 1, it is characterised in that: the transverse direction shuting includes along Slope
Face inclined direction is arranged in the lateral water fender of the corresponding crossbeam bottom, the transverse direction water fender to projection on the outside of side slope simultaneously
It encloses to set to form L-type slot with the corresponding crossbeam.
3. side slope surface ruggedized construction as claimed in claim 1 or 2, it is characterised in that: each lateral shuting is transversely
With the gradient for being not less than 4%.
4. side slope surface ruggedized construction as described in claim 1, it is characterised in that: the longitudinal drainage slot includes two pieces of longitudinal directions
Water fender, two longitudinal water fenders be respectively arranged on two transverse ends of the corresponding stringer and to projection on the outside of side slope and with
The corresponding stringer, which encloses, to be set to form U-type groove.
5. side slope surface ruggedized construction as described in claim 1, it is characterised in that: be equipped with expansion joint on each crossbeam.
6. side slope surface ruggedized construction as claimed in claim 5, it is characterised in that: be packed with pitch in each expansion joint
Hemp cut.
7. side slope surface ruggedized construction as described in claim 1, it is characterised in that: the Anchored frame beam further includes multiple anchors
Bar, each anchor pole are respectively arranged at the node of the Anchored frame beam.
8. side slope surface ruggedized construction as described in claim 1, it is characterised in that: Yu Bianpo top of the slope is equipped with lateral intercepting ditch.
9. side slope surface ruggedized construction as described in claim 1, it is characterised in that: be equipped at the top and bottom of side slope surface
Fringing, two fringings are connect with the top and bottom of the Anchored frame beam respectively.
10. side slope surface ruggedized construction as described in claim 1, it is characterised in that: the transverse direction shuting and the longitudinal direction
The anchor bolt frame girder connection of rhone intersection is that polygon expands head node.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821310233.1U CN208815543U (en) | 2018-08-15 | 2018-08-15 | Side slope surface ruggedized construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821310233.1U CN208815543U (en) | 2018-08-15 | 2018-08-15 | Side slope surface ruggedized construction |
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| CN208815543U true CN208815543U (en) | 2019-05-03 |
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| CN201821310233.1U Active CN208815543U (en) | 2018-08-15 | 2018-08-15 | Side slope surface ruggedized construction |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042159A (en) * | 2019-12-20 | 2020-04-21 | 江苏省东台中等专业学校 | Mounting method of slope vegetation attachment device |
| CN111206602A (en) * | 2020-03-06 | 2020-05-29 | 中电建路桥集团有限公司 | Partially collapsed high slope lattice beam formwork system and construction method |
| CN111827309A (en) * | 2020-07-27 | 2020-10-27 | 贵州中建建筑科研设计院有限公司 | Side slope protection construction process based on plant-growing concrete |
| CN111894102A (en) * | 2020-08-10 | 2020-11-06 | 中铁第四勘察设计院集团有限公司 | Cut-off trough unit and cut-off ditch structure of side slope |
| CN112064653A (en) * | 2020-09-21 | 2020-12-11 | 长安大学 | Composite loess slope ecological slope protection method |
| CN113174973A (en) * | 2021-04-27 | 2021-07-27 | 长沙理工大学 | Soft rock slope ecological protection structure and construction method thereof |
| CN113565112A (en) * | 2021-07-12 | 2021-10-29 | 安徽省公路桥梁工程有限公司 | Ecological moso bamboo sash side slope protection construction process |
| CN113789795A (en) * | 2021-09-23 | 2021-12-14 | 四川瑞云建设工程有限公司 | Highway slope protection structure and construction method thereof |
| CN114517485A (en) * | 2022-04-06 | 2022-05-20 | 聊城市交通发展有限公司 | Highway subgrade side slope reinforcing apparatus |
-
2018
- 2018-08-15 CN CN201821310233.1U patent/CN208815543U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042159A (en) * | 2019-12-20 | 2020-04-21 | 江苏省东台中等专业学校 | Mounting method of slope vegetation attachment device |
| CN111206602A (en) * | 2020-03-06 | 2020-05-29 | 中电建路桥集团有限公司 | Partially collapsed high slope lattice beam formwork system and construction method |
| CN111206602B (en) * | 2020-03-06 | 2021-11-23 | 中电建路桥集团有限公司 | Partially collapsed high slope lattice beam formwork system and construction method |
| CN111827309A (en) * | 2020-07-27 | 2020-10-27 | 贵州中建建筑科研设计院有限公司 | Side slope protection construction process based on plant-growing concrete |
| CN111894102A (en) * | 2020-08-10 | 2020-11-06 | 中铁第四勘察设计院集团有限公司 | Cut-off trough unit and cut-off ditch structure of side slope |
| CN112064653A (en) * | 2020-09-21 | 2020-12-11 | 长安大学 | Composite loess slope ecological slope protection method |
| CN113174973A (en) * | 2021-04-27 | 2021-07-27 | 长沙理工大学 | Soft rock slope ecological protection structure and construction method thereof |
| CN113565112A (en) * | 2021-07-12 | 2021-10-29 | 安徽省公路桥梁工程有限公司 | Ecological moso bamboo sash side slope protection construction process |
| CN113789795A (en) * | 2021-09-23 | 2021-12-14 | 四川瑞云建设工程有限公司 | Highway slope protection structure and construction method thereof |
| CN114517485A (en) * | 2022-04-06 | 2022-05-20 | 聊城市交通发展有限公司 | Highway subgrade side slope reinforcing apparatus |
| CN114517485B (en) * | 2022-04-06 | 2023-09-29 | 聊城市交通发展有限公司 | Highway roadbed slope reinforcing apparatus |
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Address after: 432100 No. 745, Ping Yuan Road, Yangyuan, Wuchang, Wuhan, Hubei Patentee after: CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP Co.,Ltd. Patentee after: Guangdong Railway Planning, Design and Research Institute Co.,Ltd. Address before: 432100 No. 745, Ping Yuan Road, Yangyuan, Wuchang, Wuhan, Hubei Patentee before: CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP Co.,Ltd. Patentee before: GUANGZHOU HOLDING COMPANY OF THE CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP Co.,Ltd. |