CN218112215U - Artificial landscape mountain for coastal irrigation and soil filling area - Google Patents

Artificial landscape mountain for coastal irrigation and soil filling area Download PDF

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CN218112215U
CN218112215U CN202222011797.8U CN202222011797U CN218112215U CN 218112215 U CN218112215 U CN 218112215U CN 202222011797 U CN202222011797 U CN 202222011797U CN 218112215 U CN218112215 U CN 218112215U
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layer
mountain
filling
pile
salt
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曾俊翔
曾虹静
汪洋
张文正
余超
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CISDI Engineering Co Ltd
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CISDI Engineering Co Ltd
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Abstract

The utility model discloses an artificial landscape mountain body used in the coastal irrigation and soil filling area, which comprises a ground base layer, a mountain filling layer and a covering layer; the mountain filling layer is built on the ground base layer, and the covering layer covers the mountain filling layer; the foundation layer building is arranged below the set elevation to support a mountain filling layer and a covering layer; the foundation layer comprises a supporting layer, a mattress layer and a leveling layer, wherein the supporting layer is formed by arranging a plurality of supporting piles at intervals, the mattress layer is laid on the top of the supporting layer, the leveling layer covers the top of the mattress layer, and the top surface of the leveling layer is flush with a set elevation; the mattress layer comprises a geogrid I and graded broken stones with the grain sizes of 15 mm-30 mm, the geogrid I is buried between the graded broken stones with the grain sizes of 15 mm-30 mm, and the thickness of the mattress layer is not less than 300mm; the filling condition, the landscape mountain stability and the foundation bearing capacity can be fully considered, and the safety construction of the artificial landscape mountain in the coastal filling area is met.

Description

Artificial landscape mountain for coastal irrigation and soil filling area
Technical Field
The utility model relates to a view construction field, concretely relates to an artificial view massif for facing sea towards fill out area.
Background
With the demand of coastal areas on land space in urban development, multi-area large-area sea reclamation is carried out in gentle shallow sea areas (the depth is about 5 m), land reclamation is usually carried out in a hydraulic fill operation mode, and the filling depth is concentrated to 0-7 m; when engineering construction is carried out on the soil-filled stratum, sedimentation deformation is a problem which needs to be considered; in order to meet the desire of people for natural gardens, artificial landscape mountains are more and more frequently appeared in garden construction, and the natural landscape atmosphere is created through the fluctuating topography; but in coastal filling areas, the foundation soil is poor in quality and low in strength; when a high mountain is filled, landslide is often caused due to insufficient stability of the whole mountain, or peripheral buildings and structures are affected due to large sedimentation of the whole artificial landscape mountain.
Therefore, in order to solve the above problems, there is a need for an artificial landscape mountain for use in the coastal irrigation and fill area, which can fully consider the fill conditions, landscape mountain stability and foundation bearing capacity, and meet the safety construction of the artificial landscape mountain in the coastal irrigation and fill area.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defect among the prior art, providing an artificial landscape mountain for facing sea towards filling out soil area, can fully consider filling out condition, landscape mountain stability and ground bearing capacity, satisfy the coastal safety construction towards filling out soil area artificial landscape mountain.
The utility model relates to an artificial landscape mountain used in the area near sea filling, which comprises a ground base layer, a mountain filling layer and a covering layer; the mountain filling layer is built on the ground base layer, and the covering layer covers the mountain filling layer; the foundation layer building is arranged below the set elevation to support a mountain filling layer and a covering layer; the foundation layer comprises a supporting layer, a mattress layer and a leveling layer, wherein the supporting layer is formed by arranging a plurality of supporting piles at intervals, the mattress layer is laid on the top of the supporting layer, the leveling layer covers the top of the mattress layer, and the top surface of the leveling layer is flush with a set elevation; the mattress layer comprises a geogrid I and graded broken stones with the grain sizes of 15 mm-30 mm, the geogrid I is buried between the graded broken stones with the grain sizes of 15 mm-30 mm, and the thickness of the mattress layer is not smaller than 300mm.
Further, the cushion layer contains stone dust fragments in an amount of not more than 3% of the total weight, and the compactness of the cushion layer is not less than 0.9.
Further, the mountain filling layer comprises a plurality of layers of sub filling layers, the plurality of layers of sub filling layers are built layer by layer in a set mode, and each layer of sub filling layer is embedded with a geogrid II; the thickness of each layer of the filling layer is 1-3 m, the compaction coefficient lambda of each layer of the filling layer is more than or equal to 0.92, the compression modulus Es of each layer of the filling layer is more than or equal to 10MPa, and the compaction width of the filling layer at the bottom is not less than the design width.
The support pile further comprises a filling soil layer positioned at the bottom of the foundation layer, and the depth of the pile bottom of the support pile embedded into the filling soil layer is not less than 1m; the perpendicularity deviation of the support pile is not more than 1% of the design perpendicularity deviation, the pile length of the support pile is not less than the design pile length, the pile position deviation of the support pile is not more than 50mm of the design pile position deviation, and the pile diameter deviation of the support pile is not more than 4% of the design pile diameter.
The functional layer comprises a plain soil filling layer, a salt isolation layer I, a one-way permeable layer, a salt isolation layer II, a planting soil layer I and a plant layer I which are arranged layer by layer from bottom to top, wherein a salt discharge layer is embedded in the salt isolation layer I; the top surface of planting soil layer and setting elevation parallel and level.
Further, the one-way permeable formation includes geotechnological cloth, the periphery of geotechnological cloth upwards extends and forms the surrounding to salt separating layer II, the peripheral upwards extension of geotechnological cloth section's extension height is not less than 250mm.
Furthermore, the salt discharging layer comprises a fibrous plastic blind pipe penetrating through the salt isolating layer I, and the aperture of the fibrous plastic blind pipe is 90-180 mm.
Further, the salt separation layer I comprises graded broken stones with the grain size of 10 mm-30 mm, and the thickness of the salt separation layer I is not less than 200mm; the salt isolation layer II comprises coarse river sand with a fineness modulus of 3.7-3.1, the average particle size of the coarse river sand is 0.5-1.0 mm, and the thickness of the salt isolation layer II is not less than 100mm.
Further, the maximum post-construction settlement control value of the mountain filling layer is not more than 300mm.
The utility model also discloses a construction method based on be used for facing sea towards artificial landscape massif in fill area, including following step:
s1, determining the construction land plane range and the mountain design height of an artificial landscape mountain;
s2, determining a foundation treatment scheme according to the geotechnical engineering investigation report, and checking and calculating the bearing capacity and settlement of the foundation;
s3, calculating the stability of the landscape mountain slope according to the plane range of the artificial landscape mountain and the designed height of the mountain, and determining the slope rate control requirement of the mountain slope and the contour line distribution of the mountain;
when the landscape mountain slope stability is calculated, the slope safety grade is considered according to a first-level permanent slope, and the slope stability coefficient is not less than 1.35;
s4, dividing a landscape mountain range, a foundation treatment range and a functional layer range;
the range line of the functional layer is formed by expanding the range line of the mountain filling layer to be not less than 5m, and the range line of the foundation layer is formed by expanding the range line of the functional layer to be not less than 3m
S5, constructing a foundation layer; reserving a pile position of a supporting pile on a filling soil layer with the height lower than a set elevation, and arranging a supporting layer, a mattress layer and a leveling layer by layer to enable the height of the foundation layer to be flush with the set elevation;
s6, filling landscape mountains; obtaining a mountain filling layer by adopting a layer-by-layer rolling mode; the vertical space between the adjacent geogrids II is 2m, the two ends of each geogrid II are folded back to be not less than 3m, and the space between each two ends of each geogrid II and the corresponding side slope surface is not less than 0.5m;
s7, laying a functional layer and a covering layer and planting landscape plants; the covering layer comprises a planting soil layer II and a vegetation layer II, the planting soil layer II covers the mountain filling layer, and the vegetation layer II covers the planting soil layer II;
the selection of the planting soil layer I and the selection of the planting soil layer II are the same, the selection of the planting soil layer I and the selection of the planting soil layer II comprise improved soil, the pH value of the improved soil is 5.5-8.3, the total salt content of the improved soil is not more than 0.1%, and the organic matter content of the improved soil is not less than 1.2%.
The utility model has the advantages that: the utility model discloses an artificial landscape mountain for the region near sea filling soil, which can not only meet the requirement of the stability of the bearing capacity of the foundation, but also ensure the safety and stability of the landscape mountain side slope; the geogrid is laid every 2m, the mountain filling materials are rolled in a layered mode, the overall stability of the filled mountain is guaranteed, planting soil with a certain thickness is covered on the surface of the mountain, planting of mountain greening plants is facilitated, the purpose of landscape mountain construction is achieved finally, the whole process is simple and convenient, energy is saved, environment is protected, and application scenes are wide.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic structural diagram of the functional layer of the present invention.
Detailed Description
Fig. 1 is a schematic structural view of the present invention, as shown in the figure, the transverse direction is the cross section width direction of the mountain filling layer 4, the vertical direction is the cross section height direction of the mountain filling layer 4, which is not described herein again, and the artificial landscape mountain for the area facing the sea to fill the filling soil in this embodiment includes a ground base layer, a mountain filling layer 4 and a covering layer; the mountain filling layer 4 is built on the foundation layer, and the covering layer covers the mountain filling layer 4; the foundation layer building is arranged below the set elevation to support the mountain filling layer 4 and the covering layer; the filling condition, the landscape mountain stability and the foundation bearing capacity can be fully considered, and the safety construction of artificial landscape mountains in coastal filling areas is met; the set elevation is determined by the site construction environment;
the foundation layer comprises a supporting layer, a mattress layer 2 and a leveling layer 3;
the supporting layer is formed by arranging a plurality of supporting piles 1 at intervals, the supporting piles 1 in the scheme are cement mixing piles, the cement mixing piles adopt PO 42.5-grade ordinary portland cement, the single-shaft doping amount is not less than 100kg/m, the cement-water-cement ratio is preferably 0.50-0.60, the single-shaft doping amount in the scheme is 100kg/m, the cement-water-cement ratio is 0.50, the mixing frequency of the cement mixing piles is preferably four-time guniting and four-time mixing, and the grout stopping surface is higher than the designed elevation of the pile top by 50cm; the supporting pile 1 can also be a prefabricated concrete column or a reinforced concrete column, which is not described herein any more, and further comprises a filling soil layer 6 positioned at the bottom of the foundation layer, the depth from the pile bottom of the supporting pile 1 to the filling soil layer 6 is not less than 1m, the depth from the pile bottom of the supporting pile 1 to the filling soil layer 6 is not more than 5m, so that the stability and the support performance of the foundation layer are improved, the depth from the pile bottom of the supporting pile 1 to the filling soil layer 6 is combined with the actual construction condition for arrangement, the depth from the pile bottom of the general supporting pile 1 to the filling soil layer 6 is not more than 2m, so that the supporting strength and the structural stability can be met, the arrangement is selected according to the actual construction condition, which is not described herein any more, and the depth from the pile bottom of the supporting pile 1 to the filling soil layer 6 is 1m; the perpendicularity deviation of the support pile 1 is not more than 1% of the designed perpendicularity deviation, the pile length of the support pile 1 is not less than the designed pile length, the pile position deviation of the support pile 1 is not more than 50mm of the designed pile position deviation, the pile diameter deviation of the support pile 1 is not more than 4% of the designed pile diameter, and the pile diameter deviation of the support pile 1 is not less than 1% of the designed pile diameter, in the scheme, the perpendicularity of the support pile 1 is the same as the perpendicularity of the set support pile 1 and is vertically arranged vertically downwards, the pile length of the support pile 1 is the same as the length of the set pile length and is 4m, the deviation value of the pile position deviation of the support pile 1 and the deviation of the set pile position is 0mm, the pile diameter of the support pile 1 is the same as the size of the set pile diameter and is 600mm, the support piles 1 are arranged in a square distribution, the pile spacing is 1.2m, when in-site construction, the perpendicularity of the support pile 1, the pile length of the support pile 1 and the pile length of the pile 1 and the pile diameter of the pile can be deviated from the pile length of the pile 1 corresponding to the set number, and the construction effect can be no longer be maintained, and the corresponding to the set number, and the construction effect can be no longer be met, and the corresponding to the construction effect can be no longer;
the mattress layer 2 is laid on the top of the supporting layer, the mattress layer 2 comprises a geogrid I and graded broken stones with the grain sizes of 15 mm-30 mm, the geogrid I is buried between the graded broken stones with the grain sizes of 15 mm-30 mm, the thickness of the mattress layer 2 is not smaller than 300mm, the pre-selected size of the graded broken stones in the mattress layer 2 is 30mm, the thickness of the mattress layer 2 is 300mm, and the size of the graded broken stones in the mattress layer 2 can not be selected according to the pre-selected size completely and strictly during actual construction, so that the grain sizes of the graded broken stones in the mattress layer 2 are 15 mm-30 mm during actual construction, the construction requirements on site can be met, the convenience of material selection is improved, the construction cost can be reduced, and repeated description is omitted; the quantity of stone dust fragments contained in the mattress layer 2 is not more than 3% of the total weight, the compactness of the mattress layer 2 is not less than 0.9, the supporting strength of the mattress layer 2 is improved, and the requirement of effective support on a mountain filling layer 4 is met;
the leveling layer 3 covers the top of the mattress layer 2, and the top surface of the leveling layer 3 is flush with the set elevation; the aim at of screed-coat 3 provides the level of leveling for mountain filling layer 4, plain soil filling is chooseed for use to screed-coat 3's filler, and screed-coat 3's top surface and settlement elevation parallel and level for be convenient for to the design and the construction on each building layer.
In the embodiment, the mountain filling layer 4 comprises a plurality of sub filling layers, the plurality of sub filling layers are built layer by layer in a set mode, the set mode in the scheme is that the mountain is built into the profile shape in a mode of layered filling and layered compaction covering from bottom to top, and each sub filling layer is embedded with a geogrid II 5; the vertical (height direction) distance between the adjacent geogrids II 5 is 1 m-3 m, the vertical (height direction) distance between the adjacent geogrids II 5 in the scheme is 2m, the (transverse) two ends of each geogrid II 5 are folded back to be not less than 3m, the (transverse) two ends of each geogrid II 5 in the scheme are folded back to be 3m, the distance between the (transverse) two ends of each geogrid II 5 and the corresponding side slope surface is not less than 0.5m, and the distance between the (transverse) two ends of each geogrid II 5 in the scheme and the corresponding side slope surface is 0.5m; during actual construction, construction deviation can exist between the vertical (height direction) distance, the horizontal (transverse) two ends of the geogrid II 5 and the distance between the corresponding side slope surface and the set numerical value respectively, the corresponding effect after construction can be met, and the repeated description is omitted; in the scheme, the geogrid I and the geogrid II 5 both adopt convex node reinforced grid bidirectional geogrids, the tensile strength is not less than 100kN/m, the node ultimate stripping force is more than 500N, the node thickness is more than 5mm, and the elongation is less than or equal to 10%; according to the scheme, the convex node reinforced grid bidirectional geogrid with the set tensile strength of 100kN/m, the set node ultimate peel force of 500N, the set node thickness of 5mm and the set elongation of 10% is selected, construction deviation can exist among the tensile strength, the node ultimate peel force, the node thickness and the elongation of the convex node reinforced grid bidirectional geogrid and set numerical values during actual construction, the corresponding effect after construction is met, and the description is omitted; the thickness of each filling layer is 1-3 m, the preferred thickness of each filling layer is more than 2m, the compaction coefficient lambda of each filling layer is more than or equal to 0.92, the compression modulus Es of each filling layer is more than or equal to 10MPa, the thickness of each filling layer in the scheme is 2m, the compaction coefficient lambda of each filling layer is 0.92, the compression modulus Es of each filling layer is 10MPa, the thickness of each filling layer in actual construction is that the compaction coefficient lambda of each filling layer and the compression modulus Es of each filling layer can have construction deviation with the set value, the corresponding effect after construction can be met, and the description is omitted; the compacted width of the partial filling layer at the bottom is not less than the designed width, and good support for the top partial filling layer can be provided.
In the embodiment, the functional layer is arranged around the slope toe of the mountain filling layer 4, and comprises a plain filling soil layer 7, a salt isolation layer I8, a one-way permeable layer 10, a salt isolation layer II 11, a planting soil layer I12 and a planting layer I13 which are arranged layer by layer from bottom to top, wherein a salt discharge layer 9 is embedded in the salt isolation layer I8; the top surface of the planting soil layer is flush with the set elevation; the effect of functional layer lies in improving the arrangement structure intensity of ground basic unit, prevents external environment to the destruction of ground basic unit, and the functional layer encircles and can further improve the restraint to mountain filling layer 4 in 4 slope feet settings on mountain filling layer, improves the protective effect.
In the embodiment, the salt isolation layer I8 comprises graded crushed stones with the particle size of 10 mm-30 mm, the thickness of the salt isolation layer I8 is not less than 200mm, and the thickness of the salt isolation layer I8 is not more than 500mm; in the scheme, the set size of the graded broken stone of the salt isolation layer I8 is 10mm, the set thickness of the salt isolation layer I8 is 200mm, the size of the graded broken stone of the salt isolation layer I8 during actual construction, and the set thickness of the salt isolation layer I8 and a set numerical value can have construction deviation, so that the corresponding effect after construction can be met, and the description is omitted;
the salt separation layer I8 is laid above the plain soil filling layer 7, a salt discharge layer 9 is embedded in the salt separation layer I8, the salt discharge layer 9 comprises a fibrous plastic blind pipe penetrating through the salt separation layer I8, the aperture (diameter) of the fibrous plastic blind pipe is 90-180 mm, and in the scheme, the aperture of the fibrous plastic blind pipe is 180mm;
the salt separation layer II 11 comprises coarse river sand with a fineness modulus of 3.7-3.1, the average particle size of the coarse river sand is 0.5-1.0 mm, the thickness of the salt separation layer II 11 is not less than 100mm, and the thickness of the salt separation layer II 11 is not more than 300mm; according to the scheme, the fineness modulus of the coarse river sand in the salt separating layer II 11 is 3.6, the set value of the average particle size of the coarse river sand is 0.8mm, the set thickness of the salt separating layer II 11 is 150mm, construction deviation can exist between the size of the coarse river sand in the salt separating layer II 11 and the set thickness and the set value of the salt separating layer II 11 during actual construction, the corresponding effect after construction can be met, and the description is omitted;
in this embodiment, one-way permeable formation 10 includes geotechnological cloth, geotechnological cloth separates salt layer I8 and salt layer II 11, the periphery of geotechnological cloth upwards extends and forms the surrounding to salt layer II 11, and in this scheme the periphery of geotechnological cloth upwards extends still and forms the surrounding to planting soil layer I12 bottom, the extension height of the upwards extension section of periphery of geotechnological cloth is not less than 250mm, the extension height of the upwards extension section of periphery of geotechnological cloth is no longer than the top surface of planting soil layer I12, in this scheme the upwards extension height of setting for of the upwards extension section of periphery of geotechnological cloth is 250mm, can have the construction deviation with the numerical value of setting for during actual construction, satisfy the construction after corresponding the effect can, no longer describe here.
In this embodiment, the maximum post-construction settlement control value of the mountain filling layer 4 is not greater than 300mm, and preferably, the maximum post-construction settlement control value of the mountain filling layer 4 is controlled within 100mm, and in this embodiment, the maximum post-construction settlement control value of the mountain filling layer 4 is set to 50mm, so that construction deviation can exist between the actual construction and the set value, and the corresponding effect after construction is satisfied, which is not described herein again.
The utility model also discloses a construction method based on be used for facing sea towards artificial landscape massif in fill area, including following step:
s1, determining the construction land plane range and the mountain design height of an artificial landscape mountain;
s2, determining a foundation treatment scheme according to the geotechnical engineering investigation report, and checking the bearing capacity and settlement of the foundation; the foundation treatment scheme comprises a foundation treatment range, a foundation treatment form, a foundation treatment working surface, a treated composite foundation bearing capacity characteristic value, a landscape mountain maximum post-construction settlement control value and the like;
s3, calculating the stability of the landscape mountain slope according to the plane range of the artificial landscape mountain and the designed height of the mountain, and determining the slope rate control requirement of the mountain slope and the contour line distribution of the mountain;
when the slope stability of the landscape mountain is calculated, the slope safety grade is considered according to a first-level permanent slope, the slope stability coefficient is not less than 1.35, and the slope stability coefficient in the scheme is 1.35;
s4, dividing a landscape mountain range, a foundation treatment range and a functional layer range;
the range line of the functional layer is formed by expanding the range line of the mountain filling layer 4 to be not less than 5m, and the range line of the foundation layer is formed by expanding the range line of the functional layer to be not less than 3 m;
s5, constructing a foundation layer; reserving a pile position of a support pile 1 on a filling soil layer 6 with the height lower than a set elevation, and arranging a support layer, a mattress layer 2 and a leveling layer 3 layer by layer to enable the height of a foundation layer to be flush with the set elevation;
s6, filling landscape mountains; obtaining a mountain filling layer 4 by adopting a mode of rolling and dividing the filling layer by layer;
s7, laying a functional layer and a covering layer and planting landscape plants; the covering layer comprises a planting soil layer II and a vegetation layer II, the planting soil layer II covers the mountain filling layer 4, and the vegetation layer II covers the planting soil layer II;
the material selection of the planting soil layer I12 is the same as that of the planting soil layer II, the planting soil layer I12 and the planting soil layer II are laid simultaneously during laying, the material selection of the planting soil layer I12 and the material selection of the planting soil layer II comprise improved soil, the pH value of the improved soil is 5.5-8.3, the total salt content of the improved soil is not more than 0.1%, and the organic matter content of the improved soil is not less than 1.2%; in the scheme, the set pH value of the improved soil is 5.5, the set total salt content of the improved soil is 0.05%, and the set organic matter of the improved soil is 1.5%; during actual construction, construction deviations can exist between the pH value of the improved soil, the total salt content of the improved soil and the organic matters of the improved soil and set values, the corresponding effects after construction are met, and the details are not repeated.
When the lawn and flower planting is carried out on the vegetation layer A and the vegetation layer B, the thickness of the planting soil layer I12 and the thickness of the planting soil layer II are both not smaller than 300mm correspondingly; when the shrubs on the vegetation layer A and the vegetation layer B are planted, the thickness of the planting soil layer I12 and the thickness of the planting soil layer II are respectively not smaller than 600mm; when the vegetation layer A and the vegetation layer B are planted with trees, the thickness of the planting soil layer I12 and the thickness of the planting soil layer II are both not smaller than 1200mm correspondingly; selecting according to actual conditions; the planting varieties of the vegetable layer A and the vegetable layer B can be the same or different, in the scheme, shrubs are planted on the vegetable layer A and the vegetable layer B, the thickness of the planting soil layer I12 and the thickness of the planting soil layer II are both 600mm, construction deviation can exist between the thickness of the planting soil layer I12 and the thickness of the planting soil layer II and a set numerical value during actual construction, the corresponding effect after construction is met, and the description is omitted.
In this embodiment, the construction deviation includes that the selection of the material size of each layer may be a range value with deviation, and also includes a controllable deviation of the construction thickness of each layer, a deviation of each construction parameter of each layer, and the like, which are all included in the construction deviation understood by those skilled in the art, and are not described herein again.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (10)

1. An artificial landscape mountain for a region near sea filling soil is characterized in that: comprises a ground base layer, a mountain filling layer and a covering layer; the mountain filling layer is built on the foundation layer, and the covering layer covers the mountain filling layer; the foundation layer building is arranged below the set elevation to support a mountain filling layer and a covering layer; the foundation layer includes supporting layer, mattress layer and screed-coat, the supporting layer is formed by a plurality of support stake interval arrangements, mattress layer lays in the top of supporting layer, the screed-coat covers in mattress layer's top, the top surface of screed-coat with set for the elevation parallel and level.
2. The artificial landscape mountain for the coastal landfill area according to claim 1, characterized in that: the mattress layer comprises a geogrid I and graded broken stones with the grain sizes of 15 mm-30 mm, the geogrid I is buried between the graded broken stones with the grain sizes of 15 mm-30 mm, and the thickness of the mattress layer is not less than 300mm; the cushion layer contains stone dust fragments in an amount of not more than 3 percent of the total weight, and the compactness of the cushion layer is not less than 0.9.
3. The artificial landscape mountain for the coastal landfill area according to claim 1, characterized in that: the mountain filling layer comprises a plurality of layers of sub filling layers, the plurality of layers of sub filling layers are built layer by layer in a set mode, and each layer of sub filling layer is embedded with a geogrid II; the thickness of each layer of the filling layer is 1 m-3 m, the compaction coefficient lambda of each layer of the filling layer is more than or equal to 0.92, and the compression modulus Es of each layer of the filling layer is more than or equal to 10MPa.
4. The artificial landscape mountain for the coastal landfill area according to claim 1, wherein: the supporting pile is characterized by also comprising a filling soil layer positioned at the bottom of the foundation layer, wherein the depth from the pile bottom of the supporting pile to the filling soil layer is not less than 1m; the perpendicularity deviation of the support pile is not more than 1% of the design perpendicularity deviation, the pile length of the support pile is not less than the design pile length, the pile position deviation of the support pile is not more than 50mm of the design pile position deviation, and the pile diameter deviation of the support pile is not more than 4% of the design pile diameter.
5. The artificial landscape mountain for the coastal landfill area according to claim 1, characterized in that: the functional layer comprises a plain soil filling layer, a salt isolation layer I, a one-way permeable layer, a salt isolation layer II, a planting soil layer I and a planting layer I which are arranged layer by layer from bottom to top, wherein a salt discharge layer is embedded in the salt isolation layer I; the top surface of planting soil layer with set for the elevation parallel and level.
6. The artificial landscape mountain for the coastal landfill area according to claim 5, characterized in that: the one-way permeable formation includes geotechnological cloth, the periphery of geotechnological cloth upwards extends and forms the encirclement to salt-separating layer II, the extension height of the upwards extension section of periphery of geotechnological cloth is not less than 250mm.
7. The artificial landscape mountain for the coastal landfill area according to claim 5, characterized in that: the salt discharging layer comprises a fibrous plastic blind pipe penetrating through the salt isolating layer I, and the aperture of the fibrous plastic blind pipe is 90-180 mm.
8. The artificial landscape mountain for the coastal landfill area according to claim 5, characterized in that: the salt isolation layer I comprises graded broken stones with the particle size of 10-30 mm, and the thickness of the salt isolation layer I is not less than 200mm; the salt isolation layer II comprises coarse river sand with a fineness modulus of 3.7-3.1, the average particle size of the coarse river sand is 0.5-1.0 mm, and the thickness of the salt isolation layer II is not less than 100mm.
9. The artificial landscape mountain for the coastal landfill area according to claim 1, characterized in that: and the maximum post-construction settlement control value of the mountain filling layer is not more than 300mm.
10. The artificial landscape mountain for the coastal landfill area according to claim 5, characterized in that: the range line of the functional layer is formed by the range line of the mountain filling layer expanding by no less than 5m, and the range line of the foundation layer is formed by the range line of the functional layer expanding by no less than 3 m.
CN202222011797.8U 2022-07-31 2022-07-31 Artificial landscape mountain for coastal irrigation and soil filling area Active CN218112215U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115122818A (en) * 2022-07-31 2022-09-30 中冶赛迪工程技术股份有限公司 Artificial landscape mountain body for coastal flushing and filling area and construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115122818A (en) * 2022-07-31 2022-09-30 中冶赛迪工程技术股份有限公司 Artificial landscape mountain body for coastal flushing and filling area and construction method

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