CN214245759U - Red bed mudstone piece packs high side slope three-dimensional drainage system that fills - Google Patents
Red bed mudstone piece packs high side slope three-dimensional drainage system that fills Download PDFInfo
- Publication number
- CN214245759U CN214245759U CN202022196253.4U CN202022196253U CN214245759U CN 214245759 U CN214245759 U CN 214245759U CN 202022196253 U CN202022196253 U CN 202022196253U CN 214245759 U CN214245759 U CN 214245759U
- Authority
- CN
- China
- Prior art keywords
- drainage
- horizontal
- vertical
- side slope
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The utility model belongs to the technical field of the side slope nursing, a red layer mudstone piece packs high side slope three-dimensional drainage system is disclosed, adopts current drainage mode to appear softening the problem of disintegrating easily in order to solve red layer mudstone side slope. The utility model discloses a red bed mudstone block packing high fill side slope three-dimensional drainage system, which comprises horizontal drainage pipe groups which are laid in red bed mudstone packing at intervals from top to bottom, wherein each horizontal drainage pipe group comprises a plurality of horizontal drainage pipes; the vertical drainage pipe groups are arranged at intervals, each vertical drainage pipe group comprises a plurality of vertical drainage pipes, a plurality of drainage holes are formed in the upper semi-circular arc of each horizontal drainage pipe, a plurality of drainage holes are formed in the outer circumference of each vertical drainage pipe, the horizontal drainage pipes of each group are connected with one another through flexible belts or geotextiles, and the vertical drainage pipes of each group are connected with one another through flexible belts or geotextiles.
Description
Technical Field
The utility model belongs to the technical field of the side slope nursing, concretely relates to red bed mudstone piece packs high side slope three-dimensional drainage system that fills.
Background
The red layer mudstone is a land-phase debris (basin, river and lake environment) sedimentary stratum taking red as a main color tone in appearance, the color is mostly red, purple red or brownish red, the red layer mudstone is generally formed by red conglomerate, sandstone, glutenite, siltstone, sandy shale, argillaceous edges and the like in an alternating mode, fresh water limestone, gypsum, rock salt and the like are also better, most of the red layer mudstone is cemented, and the other part of the red layer mudstone is cemented by gypsum, calcareous and siliceous, and fillers or cements contained in the red layer mudstone are mainly ferric oxide, particularly hematite, so the red layer mudstone is red. The Sichuan basin region, Panzhihua region and Wenchang region are two regions with most concentrated red layer mudstone development, and the Sichuan basin region is almost a red layer exposed region except the regions of Chengdu plain, Huafu mountain and the like. However, the red layer mudstone has the advantages of easy particle breakage, low strength, easy disintegration and softening after meeting water, most uniaxial compressive strength less than 30MPa, and different engineering mechanical properties on the surface.
At present, generally all set up the drain pipe in the side slope bottom to the side slope drainage, drain through the drain pipe of side slope bottom, for example application number is 201920011758.3's utility model discloses a side slope is side slope drainage system promptly, including the side slope body, the middle part of side slope body is provided with the buffering platform, the top of side slope body is provided with the grit layer, the bottom of grit layer is provided with the slope body filter layer, the bottom of slope body filter layer is provided with slope body geotechnological cloth, the bottom of slope body geotechnological cloth is provided with slope body water seepage layer. This side slope and side slope drainage structures, pave the grit layer through the surface of side slope body, an intensity for increasing the side slope surface, the filter layer is used for filtering moisture, make water more smooth downward circulation, slope body geotechnological cloth is used for making moisture can infiltration downwards, convenient construction simultaneously, a plurality of infiltration holes have been seted up on the infiltration layer, conveniently lead moisture to the retaining in situ, then the moisture that will permeate down circulates to the drain pipe through the V font limit on base, then flow in the cistern, the convenient purpose of carrying out the drainage to the side slope has been reached.
However, due to the particularity of the structural engineering mechanics of the red mudstone, the slope formed by backfilling the red mudstone is easy to soften and disintegrate due to untimely drainage.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve red layer shale side slope and adopt current drainage mode to appear softening the problem of disintegrating easily, and provide a red layer shale piece packs high side slope three-dimensional drainage system of filling.
For solving the technical problem, the utility model discloses the technical scheme who adopts is:
a red bed mudstone block filler high fill side slope three-dimensional drainage system comprises horizontal drainage pipe groups which are paved in red bed mudstone filler at intervals up and down, wherein each horizontal drainage pipe group comprises a plurality of horizontal drainage pipes; the vertical drainage pipe groups are arranged at intervals, each vertical drainage pipe group comprises a plurality of vertical drainage pipes, a plurality of drainage holes are formed in the upper semi-circular arc of each horizontal drainage pipe, a plurality of drainage holes are formed in the outer circumference of each vertical drainage pipe, the horizontal drainage pipes of each group are connected with one another through flexible belts or geotextiles, and the vertical drainage pipes of each group are connected with one another through flexible belts or geotextiles.
In some embodiments, the horizontal drainage pipes of each group are obliquely arranged, so that the horizontal drainage pipes of the same group are arranged in a Z shape, and the horizontal drainage pipes of the adjacent horizontal drainage pipe groups on the upper layer and the lower layer are staggered.
In some embodiments, the vertical drains of each group are arranged at an angle such that the vertical drains of the same group are arranged in a "Z" pattern.
In some embodiments, the vertical drain pipe and the horizontal drain pipe are made of aluminum alloy or stainless steel or engineering plastic.
In some embodiments, each of the vertical drain pipes of the vertical drain pipe set is interconnected with a corresponding horizontal drain pipe of the horizontal drain pipe set.
In some embodiments, each horizontal drainage pipe in each group of horizontal drainage pipe groups is obliquely arranged downwards along a horizontal plane and extends out of the red bed mudstone filler high-fill side slope to be communicated with a horizontal gathering pipe, and two ends of each horizontal gathering pipe are communicated with an inclined gathering pipe arranged along the outer surface of the red bed mudstone filler high-fill side slope.
In some embodiments, the bottom of the red mudstone filler high-fill side slope is provided with drainage ditches, the number of the drainage ditches is the same as that of the vertical drainage pipe groups, and the bottom of the vertical drainage pipe in each vertical drainage pipe group corresponds to the drainage ditch.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a red layer mud rock piece packs high side slope three-dimensional drainage system in the use, erect the drainage nest of tubes through setting up multilayer horizontal drainage nest of tubes and multilayer, contain a plurality of horizontal drain pipes in the horizontal drain pipe of each layer, contain a plurality of vertical drain pipes in the vertical drain pipe of each layer, and each horizontal drain pipe in the horizontal drainage nest of tubes of the same group is through flexible band or geotechnological cloth interconnect, each vertical drain pipe in the vertical drain pipe of the same group is interconnect through flexible band or geotechnological cloth equally, and vertical drainage nest of tubes is connected with horizontal drain pipe and thus forms overall structure, can enough in time discharge the moisture in the red layer mud rock piece packs in time, prevent that red layer mud rock piece from appearing softening and disintegrating because of moisture is too much; meanwhile, the horizontal drainage pipe group and the vertical drainage pipe group also form a support frame for supporting the red mud rock blocks, so that the overall strength of the red mud rock block seasoning high-fill side slope is improved.
Drawings
Fig. 1 is a schematic top view of a horizontal drainage pipe assembly according to the present invention, i.e. a schematic horizontal drainage pipe assembly laid on a red mud rock block;
FIG. 2 is a schematic side view of the vertical drainage pipe set of the present invention, i.e. a schematic side view of the vertical drainage pipe set mounted on a red mud rock block;
FIG. 3 is a schematic structural view of the installation of the three-dimensional drainage system and the red bed mudstone block filler high-fill side slope of the present invention;
the labels in the figure are: 1. horizontal drainage pipe group, 11 horizontal drainage pipe, 2 vertical drainage pipe group, 21 vertical drainage pipe, 3 drainage hole, 4 geotextile, 5 flexible band, 6 red layer mudstone block filler high fill side slope, 7 horizontal gathering pipe, 8 inclined gathering pipe, 9 gravel layer, 10 drainage ditch.
Detailed Description
The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by those skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
With the attached drawings, the red bed mudstone block packing high-fill side slope three-dimensional drainage system comprises horizontal drainage pipe groups 1 which are paved in red bed mudstone packing at intervals up and down, wherein each horizontal drainage pipe group 1 comprises a plurality of horizontal drainage pipes 11; the vertical drainage pipe groups 2 are arranged at intervals, and each vertical drainage pipe group 2 comprises a plurality of vertical drainage pipes 21; namely, the drainage system of the utility model comprises a horizontal drainage pipe group 1 and a vertical drainage pipe group 2; the upper semi-circular arc of the horizontal drainage pipe 11 is provided with a plurality of drainage holes 3, the outer circumference of the vertical drainage pipe 21 is provided with a plurality of drainage holes 3, the top of the vertical drainage pipe 21 is provided with a sealing cover or is sealed by geotextile to prevent filler from entering the vertical drainage pipe 21, and the end part of the horizontal drainage pipe extending into the red mud rock block high fill side slope 6 is also provided with a sealing cover or is sealed by geotextile to prevent the filler from entering the horizontal drainage pipe 11; the horizontal drainage pipes 11 of each group are connected with each other through the flexible belt 5 or geotextile, and the vertical drainage pipes 21 of each group are connected with each other through the flexible belt 5 or geotextile, that is, the horizontal drainage pipes 11 of the same group of horizontal drainage pipe groups 1 are connected into a whole through the flexible belt 5 or geotextile, and the vertical drainage pipes 21 of the same group of vertical drainage pipe groups 2 are connected into a whole through the flexible belt 5 or geotextile.
The utility model discloses a three-dimensional drainage system is in the work progress, at first buries the back underground with the horizontal drainage nest of tubes of bottom, then highly is provided with the suitable drainage nest of tubes of erectting of length according to the side slope again, then recycles red layer mud rock mass and backfills, when backfilling 1-2m, lays one deck horizontal drainage nest of tubes again, so circulate to realize horizontal drainage pipe and erect the erectting of drainage nest of tubes.
In some embodiments, in order to prevent impact damage of backfill (red mud rock) on the horizontal drainage pipe 11 and the vertical drainage pipe 21, the horizontal drainage pipe 11 and the vertical drainage pipe 21 are further coated with geotextile 4, so that the geotextile 4 can play a certain role in buffering, and can also play a role in filtering drainage holes of the horizontal drainage pipe and the vertical drainage pipe to prevent the drainage holes from being blocked.
In some embodiments, when the horizontal drainage pipe 11 is laid, a gravel layer 9 can be laid on the periphery of the horizontal drainage pipe 11, the horizontal drainage pipe 11 is buried in the gravel layer 9, and then the horizontal drainage pipe 11 is backfilled by red mud rock blocks, so that the filtering can be further carried out by arranging the gravel layer, and the drainage hole is prevented from being blocked.
The utility model discloses a bind and connect through flexible band 5 or geotechnological cloth between each horizontal drain pipe 11 in the same group horizontal drain pipe group 1, also bind and connect through flexible band 5 or geotechnological cloth between each vertical drain pipe 21 in the same group vertical drain pipe group 2, can enough form a whole with each horizontal drain pipe, each vertical drain pipe, make horizontal drain pipe and vertical drain pipe have certain activity space simultaneously again, prevent to damage horizontal drain pipe and vertical drain pipe in the backfill process; simultaneously because the slope that the red layer shale piece backfilled the formation can have certain local sunken more or less at the later stage, through each horizontal drain pipe with the one deck and the drain pipe of erectting of the same deck connect through flexibility or geotechnological cloth and form certain activity space, when the guarantee was backfilled and the later stage takes place local sunken, horizontal drain pipe with erect the drain pipe and all can not destroyed, guarantee drainage function's normal use.
In some embodiments, the horizontal drainage pipes 11 of each group are arranged obliquely, so that the horizontal drainage pipes 11 of the same group are arranged in a "Z" shape, and the horizontal drainage pipes 11 of the adjacent horizontal drainage pipe groups 1 on the upper layer and the lower layer are staggered. In some embodiments, the vertical drainage pipes 21 of each group are arranged obliquely, so that the vertical drainage pipes 21 of the same group are arranged in a Z shape.
The utility model discloses each horizontal drainage pipe in the horizontal drainage pipe group on well same layer is "Z" style of calligraphy and arranges, erect each of drainage pipe group with a set of and also be "Z" style of calligraphy and arrange, make two adjacent horizontal drainage pipe mutual inclinations, two adjacent drainage mutual inclinations of erectting, thereby make two horizontal drainage pipe (two erect the drain pipe) between the red layer mudstone district be a trapezoidal form, when the great tendency of sliding of appearance of certain regional red layer mudstone, the horizontal drainage pipe that distributes through "Z" style of calligraphy can also play certain stopping and regulating action, thereby improve the bulk strength of side slope.
In some embodiments, the vertical drain pipe 21 and the horizontal drain pipe 11 are made of aluminum alloy or stainless steel or engineering plastic. The engineering plastic has the characteristics of high strength, acid resistance, alkali resistance and strong corrosion resistance, and the engineering plastic has the characteristic of light weight, so that the vertical drain pipe and the horizontal drain pipe are preferably made of the engineering plastic.
In some embodiments, each of the vertical drain pipes of the vertical drain pipe set is interconnected with a corresponding horizontal drain pipe of the horizontal drain pipe set. The utility model discloses a to erect drain pipe and horizontal drain pipe and link together (can adopt the cloth to bind), can further improve drainage system's wholeness, improve support and the stabilizing action to red bed mudstone piece filler high fill side slope.
In some embodiments, in order to facilitate rapid discharge of water flow gathered in the horizontal drainage pipes, each horizontal drainage pipe 11 in each group of horizontal drainage pipe sets 1 is obliquely arranged downwards along a horizontal plane and extends out of the red bed mudstone filler high-fill side slope 6 to be communicated with a horizontal gathering pipe 7, and two ends of each horizontal gathering pipe 7 are communicated with inclined gathering pipes 8 arranged along the outer surface of the red bed mudstone filler high-fill side slope 6. Wherein, horizontal drain pipe 11 inclination when burying underground is less, generally sets up the automatic discharge that both can realize rivers between 3-5, the utility model discloses a set up the level and assemble the pipe and the slope assembles the pipe, can discharge as early as possible unnecessary moisture in each layer red layer shale piece on the one hand, on the other hand assembles the pipe through the level and assembles the rivers that the pipe can prevent to assemble and form to erode the slope surface, improves the stability of slope.
In some embodiments, the bottom of the red mudstone filler high fill side slope 6 is provided with drainage ditches 10, the number of the drainage ditches 10 is equal to that of the vertical drainage pipe groups 2, and the bottom of the vertical drainage pipe 21 in each vertical drainage pipe group 2 is equal to that of the drainage ditches 10. For example, 5 vertical drainage pipes are included in one vertical drainage pipe group, and 10 vertical drainage pipe groups are sequentially arranged along the length direction of the slope, so that 5 vertical drainage pipes of each group share one drainage ditch, and different drainage ditches are used by the vertical drainage pipe groups of different groups.
Wherein, the utility model discloses a quantity of erectting the drain pipe in drain pipe group and the horizontal drain pipe group can be confirmed according to the size of side slope. In general, the vertical drainage pipes in the same group are spaced by 1-2m, and the horizontal drainage pipes in the same layer are spaced by 1-2 m. Of course, the present invention can refer to local climate conditions when being arranged, and if the area has abundant rainfall, the distance between the drainage pipes can be properly reduced, and those skilled in the art can understand and understand the space, and will not be described herein.
The utility model discloses a red layer mud rock piece packs high side slope three-dimensional drainage system in the use, erect the drainage nest of tubes through setting up multilayer horizontal drainage nest of tubes and multilayer, contain a plurality of horizontal drain pipes in the horizontal drain pipe of each layer, contain a plurality of vertical drain pipes in the vertical drain pipe of each layer, and each horizontal drain pipe in the horizontal drainage nest of tubes of the same group is through flexible band or geotechnological cloth interconnect, each vertical drain pipe in the vertical drain pipe of the same group is interconnect through flexible band or geotechnological cloth equally, and vertical drainage nest of tubes is connected with horizontal drain pipe and thus forms overall structure, can enough in time discharge the moisture in the red layer mud rock piece packs in time, prevent that red layer mud rock piece from appearing softening and disintegrating because of moisture is too much; meanwhile, the horizontal drainage pipe group and the vertical drainage pipe group also form a support frame for supporting the red mud rock blocks, so that the overall strength of the red mud rock block seasoning high-fill side slope is improved.
Above, without any formal and essential limitations of the invention, it should be pointed out that, for a person skilled in the art, without departing from the method of the invention, several improvements and additions will be possible, which shall also be considered as the scope of protection of the invention. Those skilled in the art can make various changes, modifications and evolutions equivalent to those made by the above-disclosed technical content without departing from the spirit and scope of the present invention, and all such changes, modifications and evolutions are equivalent embodiments of the present invention; meanwhile, any changes, modifications and evolutions of equivalent changes to the above embodiments according to the actual technology of the present invention are also within the scope of the technical solution of the present invention.
Claims (7)
1. A red bed mudstone block filler high fill side slope three-dimensional drainage system is characterized by comprising horizontal drainage pipe groups which are laid in red bed mudstone fillers at intervals up and down, wherein each horizontal drainage pipe group comprises a plurality of horizontal drainage pipes; the vertical drainage pipe groups are arranged at intervals, each vertical drainage pipe group comprises a plurality of vertical drainage pipes, a plurality of drainage holes are formed in the upper semi-circular arc of each horizontal drainage pipe, a plurality of drainage holes are formed in the outer circumference of each vertical drainage pipe, the horizontal drainage pipes of each group are connected with one another through flexible belts or geotextiles, and the vertical drainage pipes of each group are connected with one another through flexible belts or geotextiles.
2. The red mud rock mass packing high fill side slope three-dimensional drainage system of claim 1, wherein the horizontal drainage pipes of each group are obliquely arranged so that the horizontal drainage pipes of the same group are arranged in a Z shape, and the horizontal drainage pipes of the adjacent horizontal drainage pipe groups of the upper and lower layers are staggered.
3. The red mud rock mass packing high fill side slope solid drainage system of claim 1, wherein the vertical drainage pipes of each group are arranged in an inclined manner, so that the vertical drainage pipes of the same group are arranged in a Z shape.
4. The red mud rock mass filler high fill slope solid drainage system of any one of claims 1-3, wherein the vertical and horizontal drainage pipes are made of aluminum alloy or stainless steel or engineering plastics.
5. The red mud rock mass fill high fill slope solid drainage system of claim 1, wherein each vertical drainage pipe of the vertical drainage pipe set is interconnected with a corresponding horizontal drainage pipe of the horizontal drainage pipe set.
6. The red mud rock mass filling high fill side slope three-dimensional drainage system according to claim 1, wherein each horizontal drainage pipe in each horizontal drainage pipe group is obliquely arranged downwards along a horizontal plane and is communicated with a horizontal gathering pipe extending out of the red mud rock filling high fill side slope, and two ends of each horizontal gathering pipe are communicated with an inclined gathering pipe arranged along the outer surface of the red mud rock filling high fill side slope.
7. The red mud rock mass packing high fill side slope three-dimensional drainage system according to claim 1, wherein drainage ditches are arranged at the bottom of the red mud rock mass packing high fill side slope, the number of the drainage ditches is the same as that of the vertical drainage pipe groups, and the bottom of the vertical drainage pipe in each vertical drainage pipe group corresponds to the drainage ditch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022196253.4U CN214245759U (en) | 2020-09-30 | 2020-09-30 | Red bed mudstone piece packs high side slope three-dimensional drainage system that fills |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022196253.4U CN214245759U (en) | 2020-09-30 | 2020-09-30 | Red bed mudstone piece packs high side slope three-dimensional drainage system that fills |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214245759U true CN214245759U (en) | 2021-09-21 |
Family
ID=77728937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022196253.4U Active CN214245759U (en) | 2020-09-30 | 2020-09-30 | Red bed mudstone piece packs high side slope three-dimensional drainage system that fills |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214245759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075218A (en) * | 2022-06-27 | 2022-09-20 | 紫金(长沙)工程技术有限公司 | Combined drainage system and method for refuse dump |
-
2020
- 2020-09-30 CN CN202022196253.4U patent/CN214245759U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075218A (en) * | 2022-06-27 | 2022-09-20 | 紫金(长沙)工程技术有限公司 | Combined drainage system and method for refuse dump |
| CN115075218B (en) * | 2022-06-27 | 2023-08-22 | 紫金(长沙)工程技术有限公司 | Combined drainage system and method for dumping site |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Skarżyńska | Reuse of coal mining wastes in civil engineering—Part 2: Utilization of minestone | |
| CN106638166B (en) | A kind of richness salt weakness saline soil area non-fragment orbit embankment structure | |
| CN106592346B (en) | In-strong saline soil area headchute partition-type non-fragment orbit cutting foundation bed structure | |
| CN105464056A (en) | Anti-seepage structure capable of adapting to settlement of earth and rockfill dam | |
| CN206529652U (en) | A kind of weak saline soil area non-fragment orbit embankment structure of rich salt | |
| CN109024458A (en) | A kind of coal mine subsidence land landscape revetment and the construction method of water-bed antiseepage | |
| CN112392127B (en) | Dendritic embedded type flexible ecological slope drainage ditch and construction method | |
| CN106676991A (en) | Expansive soil embankment structure improved and reinforced by sandwich method and construction method | |
| CN110067167A (en) | A kind of microorganism embankment method | |
| CN214245759U (en) | Red bed mudstone piece packs high side slope three-dimensional drainage system that fills | |
| CN113818402A (en) | Reinforcing and reinforcing structure of clay core rockfill dam and construction method thereof | |
| CN112195965A (en) | Expansive soil cutting retaining wall | |
| CN212533945U (en) | River edge beach fish habitat structure | |
| CN210507006U (en) | High-strength steel wire mesh reinforced material filling structure of road embankment | |
| CN107761668A (en) | A kind of strand Bin Ku makes ground type bank protection structure and its construction process | |
| CN216275518U (en) | Reinforcing and reinforcing structure of clay core rockfill dam | |
| RU2285085C2 (en) | Protective covering to prevent underwater pipeline scouring | |
| CN207130544U (en) | In strong saline soil area headchute partition-type non-fragment orbit cutting foundation bed structure | |
| CN111719594B (en) | Seepage-proofing structure and method suitable for blocking mountain body crack with built-in mine hole | |
| CN107975378A (en) | The U-shaped wall base with architecture separates bearing type liner structure with bottom plate sound | |
| CN214194577U (en) | Red bed mudstone block filler high-fill ecological side slope | |
| CN210262542U (en) | Road structure for sponge city construction | |
| CN112343065B (en) | Maintenance method for red bed mudstone block filler high-fill side slope | |
| CN209568531U (en) | A kind of water storage system of discarded Rare-earth Mine | |
| CN208073500U (en) | Both sides setting has both the liner structure of the L-shaped pedestal of draining, carrying and supporting and retaining system function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |