CN113250224A - Foundation structure of mountainside building and construction method - Google Patents
Foundation structure of mountainside building and construction method Download PDFInfo
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- CN113250224A CN113250224A CN202110668594.3A CN202110668594A CN113250224A CN 113250224 A CN113250224 A CN 113250224A CN 202110668594 A CN202110668594 A CN 202110668594A CN 113250224 A CN113250224 A CN 113250224A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
- E03F3/046—Open sewage channels
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
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Abstract
The invention relates to the technical field of constructional engineering, in particular to a mountainside building foundation; the technical scheme is as follows: a foundation structure of a mountainside building comprises a foundation plain concrete layer and a mountain supporting concrete layer which is obliquely arranged; the foundation plain concrete layer is used for covering the upper surface of a foundation, a foundation waterproof layer, a waterproof concrete layer and a gravel layer are sequentially laid on the foundation plain concrete layer, the cross section of the waterproof concrete layer is in an inwards concave arch shape, and the middle part of the waterproof concrete layer is longitudinally inclined; the mountain supporting concrete layer is used for covering an excavated mountain opposite to a mountain building, the mountain supporting concrete layer is provided with a plurality of drain holes, the drain holes penetrate through the mountain supporting concrete layer, and the lower side of the mountain supporting concrete layer is connected with the outer edge of the waterproof concrete layer. The invention can reduce the earth volume excavated by the mountain during the construction of the mountainside building foundation, thereby reducing the construction cost of the mountainside building foundation and shortening the construction period.
Description
Technical Field
The invention relates to the technical field of building engineering, in particular to a mountainside building foundation structure and a construction method.
Background
The foundation structure of the building is a foundation mechanism for bearing all loads of the building, and for the mountainside buildings built in mountainous areas, the foundation structure needs to have enough bearing capacity and good drainage capacity so as to deal with the condition of torrential flood in rainy seasons, prevent rainwater from scouring the building foundation and ensure the safety of the building. In the existing mountainous buildings, drainage ditches and a sink basin are usually dug around a foundation structure, and in the case of a large flow of rainwater in a mountainous area, the depth and/or width of the drainage ditches are/is generally increased to improve the drainage capacity of the drainage ditches. However, increasing the depth of the drainage ditch not only increases the amount of earth excavated by the mountain, but also increases the instability of the mountain, and increases the engineering amount and difficulty of mountain protection; widening the drainage ditch greatly increases the earthwork amount of mountain excavation, increases the construction cost of building construction and prolongs the construction period.
Disclosure of Invention
Aiming at the technical problems of large earth volume of mountain excavation, high construction cost and long construction period when the drainage ditch of the mountain building foundation is constructed; the invention provides a mountainside building foundation which can reduce the earth volume of mountain excavation during the construction of the mountainside building foundation so as to reduce the construction cost of the mountainside building and shorten the construction period.
The invention is realized by the following technical scheme:
in a first aspect, the invention provides a foundation structure of a mountainside building, which comprises a basic plain concrete layer and a mountain supporting concrete layer which is obliquely arranged; the foundation plain concrete layer is used for covering the upper surface of a foundation, a foundation waterproof layer, a waterproof concrete layer and a gravel layer are sequentially laid on the foundation plain concrete layer, the cross section of the waterproof concrete layer is in an inwards concave arch shape, and the middle part of the waterproof concrete layer is longitudinally inclined; the mountain supporting concrete layer is used for covering an excavated mountain opposite to a mountain building, the mountain supporting concrete layer is provided with a plurality of drain holes, the drain holes penetrate through the mountain supporting concrete layer, and the lower side of the mountain supporting concrete layer is connected with the outer edge of the waterproof concrete layer.
When the mountain-side building foundation structure provided by the invention is built, a mountain is excavated according to the occupied area of the mountain-side building to be built, then a basic plain concrete layer, a basic waterproof layer, a waterproof concrete layer and a gravel layer are sequentially laid on a leveled foundation, and a mountain supporting concrete layer is laid on the side of the shaped excavated mountain, so that the lower side of the mountain supporting concrete layer is connected with the outer edge of the waterproof concrete layer. Because the slope of massif supporting concrete sets up and has seted up the wash port, the bow-shaped, the rubble layer of laying on the waterproof concrete layer that waterproof concrete layer cross section is the indent has the clearance for rivers that flow along massif supporting concrete layer, the rivers that flow from the wash port flow equally to the middle part on waterproof concrete layer. The waterproof concrete layer is longitudinally inclined, and the lower end of the waterproof concrete layer extends into the drainage channel of the mountain body, so that water flow is guided into the drainage channel of the mountain body, and drainage of the foundation of the mountain-side building is achieved.
The mountain supporting concrete layer is obliquely arranged, the building is usually vertically arranged, and a corresponding structure body is arranged between the building bottom plate and the building foundation mechanism, so that a larger gap exists between the building side wall and the mountain supporting concrete layer, and water flow left along the mountain supporting concrete layer cannot impact the side wall of the building; meanwhile, the building foundation has a large area, so that the gravel layer on the waterproof concrete layer also has a large enough area, and therefore, the gravel layer can be ensured to have enough drainage capacity, and the drainage requirement of the mountainside building foundation is met.
In conclusion, when the mountain-side building foundation structure provided by the invention is built, drainage ditches do not need to be dug independently, the drainage ditches do not need to be widened or deepened, and the mountain excavation amount is small; the invention only lays a gravel layer on the waterproof concrete layer and changes the shape of the waterproof concrete layer. Therefore, the mountainside building foundation structure provided by the invention can reduce the earth volume excavated by the mountains during the construction of the mountainside building foundation, thereby reducing the construction cost of the mountainside building foundation and shortening the construction period.
In an optional embodiment, the gravel layer comprises a first graded layer, a second graded layer and a third graded layer which are sequentially laid, and the crushed stone particle sizes of the first graded layer, the third graded layer and the second graded layer are sequentially increased. The broken stone with small particle size is paved on the waterproof concrete, so that the surface of the waterproof concrete layer is prevented from being damaged by the broken stone, and normal drainage can be performed; the middle part on rubble layer is the big rubble of particle diameter, can ensure that the rubble layer has sufficient drainage ability, lays the medium rubble of particle diameter at rubble layer top, can ensure the entering rubble layer that rivers can be normal, is convenient for lay the concrete again on the rubble layer simultaneously.
In an optional embodiment, a plain concrete layer is laid on the gravel layer to ensure the flatness of the top of the gravel layer, so that a waterproof layer can be laid on the gravel layer.
In an optional embodiment, the mountain support concrete gravel layer is provided with a plurality of Bingge net cages, the Bingge net cages are arranged around the periphery of the gravel layer, and the Bingge net cages which are opposite to the mountain support concrete layer and the mountain support concrete layer enclose a drainage ditch so as to surround the gravel layer through the Bingge net cages and prevent the gravel in the gravel layer from being displaced under the washing of water flow.
In an alternative embodiment, a top waterproof layer is laid on the plain roof concrete layer and the binge cage to prevent water in the building foundation mechanism from permeating to the building bottom plate.
In an optional embodiment, the mountain supporting concrete layer is provided with a plurality of drainage grooves, and the lower ends of the drainage grooves extend into the drainage ditches, so that when the water flow is large, the flowing water flowing along the mountain is guided into the drainage ditches, and the wall body of the mountain building is further prevented from being washed by rainwater.
In an alternative embodiment, the bottom of the drainage ditch is inclined longitudinally, and the shorter end of the drainage ditch and the shorter end of the waterproof concrete layer are positioned on the same side, so that water remained in the drainage ditch can be led out.
In an optional embodiment, a first smooth concrete layer is laid on the bottom surface of the drainage ditch, a second smooth concrete layer is arranged on the side wall of the drainage ditch far away from the mountain supporting concrete layer, the lower side of the second smooth concrete layer is connected with the first smooth concrete layer, and the height of the second smooth concrete layer is lower than that of the Bingge cage.
Set up the plain concrete bottom the escape canal, can avoid mingling with debris such as silt, branch in the rivers and remain in the escape canal. The lateral wall of keeping away from massif at the escape canal and strutting concrete layer sets up the plain concrete, can prevent to press from both sides debris such as branch in rivers and still remain in the binge box with a net outside after the drainage is accomplished. Simultaneously, strutting the concrete layer downside at first plain noodles concrete layer, second plain noodles concrete layer and massif and enclose into more shallow ditch, directly through the escape canal drainage when discharge is less, only through the metalling drainage when rivers are big, and when rivers are big, the rivers are fast, the scouring capacity is strong, can avoid being mingled with the silt in the rivers and deposit two drainage capacities that reduce the metalling in the rubble in a large number.
In an optional embodiment, the height of the second smooth concrete layer is less than half of the height of the Bingge net cage, so that the foundation structure of the mountainous-side building can discharge water flow when the water flow is too large, and the water flow is prevented from overflowing to the building bottom plate.
In an optional embodiment, the system further comprises a plurality of vertically arranged foundation piles, the lower ends of the foundation piles penetrate through the foundation plain concrete layer, and the upper ends of the foundation piles protrude out of the top waterproof layer, so that the adequate bearing capacity of the mountainside building foundation is ensured.
In a second aspect, the present invention further provides a method for constructing a foundation of a mountainside building, which is used for constructing the foundation structure of the mountainside building, and comprises the following steps:
excavating a mountain body according to the floor area of a mountainside building to be constructed, leveling a foundation and shaping the excavated side of the mountain body, so that the excavated side surface of the mountain body forms a groove;
pouring a mountain supporting concrete layer on the mountain excavation side, forming a drainage groove after the groove is attached to the concrete layer, and drilling a drainage hole on the mountain supporting concrete layer;
building foundation piles on the foundation;
after foundation piles are built, sequentially paving a basic plain concrete layer, a basic waterproof layer, a waterproof concrete layer, a gravel layer and a top plain concrete layer on the foundation;
building a Bingge net cage at the periphery of the gravel layer, so that a drainage ditch is formed by the Bingge net cage which is right opposite to the mountain supporting concrete layer and the mountain supporting mixed soil layer;
paving a first smooth concrete layer at the bottom of the drainage ditch, and paving a second smooth concrete layer on the side wall of the drainage ditch far away from the mountain supporting concrete layer;
and paving a top waterproof layer on the Bingge net cage and the top plain concrete layer to finish the construction of the foundation structure of the mountainside building.
The invention has the beneficial effects that:
according to the mountain-side building foundation structure provided by the invention, the mountain supporting concrete is obliquely arranged and provided with the drain holes, the cross section of the waterproof concrete layer is concave and arched, and the gravel layer laid on the waterproof concrete layer has gaps, so that water flow flowing along the mountain supporting concrete layer and water flow flowing out from the drain holes flow uniformly to the middle part of the waterproof concrete layer, the waterproof concrete layer is longitudinally inclined, the lower end of the waterproof concrete layer extends into the drainage channel of the mountain, so that the water flow is guided into the drainage channel of the mountain, a drainage ditch does not need to be dug independently, the drainage ditch does not need to be widened or deepened, and the excavated volume of the mountain is small. Therefore, the mountainside building foundation structure provided by the invention can reduce the earth volume excavated by the mountains during the construction of the mountainside building foundation, thereby reducing the construction cost of the mountainside building foundation and shortening the construction period.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic cross-sectional view of a mountainside building foundation according to an embodiment of the present invention;
fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Reference numbers and corresponding part names in the drawings:
1-basic plain concrete layer, 2-mountain supporting concrete layer, 21-drain hole, 22-drain groove, 4-basic waterproof layer, 5-waterproof concrete layer, 6-gravel layer, 61-first-stage matching layer, 62-second-stage matching layer, 63-third-stage matching layer, 7-top plain concrete layer, 8-binge net cage, 9-drain ditch, 91-first smooth concrete layer, 92-second smooth concrete layer, 10-top waterproof layer and 11-foundation pile.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
With reference to fig. 1 and 2, the present embodiment provides a foundation structure of a mountainside building, which includes a foundation plain concrete layer 1 and an obliquely arranged mountain supporting concrete layer 2; the foundation plain concrete layer 1 is used for covering the upper surface of a foundation, a foundation waterproof layer 4, a waterproof concrete layer 5 and a gravel layer 6 are sequentially laid on the foundation plain concrete layer 1, the cross section of the waterproof concrete layer 5 is in an inwards concave arch shape, and the middle part of the waterproof concrete layer 5 is longitudinally inclined; the mountain supporting concrete layer 2 is used for covering an excavated mountain opposite to a mountain building, the mountain supporting concrete layer 2 is provided with a plurality of drain holes 21, the drain holes 21 penetrate through the mountain supporting concrete layer 2, and the lower side of the mountain supporting concrete layer 2 is connected with the outer edge of the waterproof concrete layer 5.
Specifically, the crushed stone layer 6 comprises a first graded layer 61, a second graded layer 62 and a third graded layer 63 which are sequentially laid, and the crushed stone particle sizes of the first graded layer 61, the third graded layer 63 and the second graded layer 62 are sequentially increased. The gravel with small particle size is laid on the waterproof concrete, so that the surface of the waterproof concrete layer 5 is prevented from being damaged by the gravel, and normal drainage can be performed; the middle part of rubble layer 6 is the big rubble of particle diameter, can ensure that rubble layer 6 has sufficient drainage ability, lays the medium rubble of particle diameter at 6 tops in rubble layer, can ensure that rivers can be normal get into rubble layer 6, is convenient for lay the concrete again on rubble layer 6 simultaneously.
Further, a plain concrete layer 7 is laid on the gravel layer 6 to ensure the flatness of the top of the gravel layer 6, so that a waterproof layer is laid on the gravel layer 6.
Further, still include a plurality of binge check box with a net 8, it is a plurality of binge check box with a net 8 winds gravel layer 6 periphery sets up, and just right the concrete layer 2 is strutted to the massif binge check box with the massif is strutted the muddy soil layer and is enclosed into escape canal 9 to surround gravel layer 6 through binge check box with a net 8, avoid the rubble in gravel layer 6 to produce the displacement under the erodeing of rivers.
Further, a top waterproof layer 10 is laid on the top plain concrete layer 7 and the Bingge net cage 8 to prevent water in the building foundation mechanism from permeating to a building bottom plate.
Preferably, the mountain supporting concrete layer 2 is provided with a plurality of drainage grooves 22, and the lower ends of the drainage grooves 22 extend into the drainage ditches 9, so that when the water flow is large, the flowing water flowing along the mountain is guided into the drainage ditches 9, and the wall body of the mountain building is further prevented from being washed by rainwater.
It can be understood that the bottom of the drainage ditch 9 is longitudinally inclined, and the shorter end of the drainage ditch 9 and the shorter end of the waterproof concrete layer 5 are positioned on the same side, so that water remained in the drainage ditch 9 is led out.
Further, 9 bottom surfaces in escape canal are laid first plain noodles concrete layer 91, escape canal 9 is kept away from the lateral wall that concrete layer 2 was strutted to the massif is provided with second plain noodles concrete layer 92, second plain noodles concrete layer 92 downside with first plain noodles concrete layer 91 links to each other, just second plain noodles concrete layer 92 highly is less than the height of guest grid box 8.
Set up the plain concrete in 9 bottoms in escape canal, can avoid mingling with debris such as silt, branch in the rivers and remain in escape canal 9. The lateral wall of the drainage ditch 9 far away from the mountain supporting concrete layer 2 is provided with the smooth concrete, so that sundries such as branches clamped in water flow can be prevented from remaining outside the Bingge net cage 8 after drainage is completed. Simultaneously, 2 downside at first plain noodles concrete layer 91, second plain noodles concrete layer 92 and massif support concrete layer enclose into less ditch, directly pass through 9 drainage ditches of escape canal when discharge is less, only through the drainage of metalling 6 when rivers are big, and when rivers are big, rivers are fast, the scouring ability is strong, can avoid being mingled with the silt in the rivers and deposit in a large number and reduce the drainage ability of metalling 6 in the rubble.
Preferably, the height of the second smooth concrete layer 92 is less than half of the height of the binge box 8, so as to ensure that the foundation structure of the mountainous buildings can discharge water flow when the water flow is too large, and prevent the water flow from overflowing to the building bottom plate.
It should be understood that the foundation pile comprises a plurality of vertically arranged foundation piles 11, the lower ends of the foundation piles 11 penetrate through the foundation plain concrete layer 1, and the upper ends of the foundation piles 11 protrude out of the top waterproof layer 10, so that the adequate bearing capacity of the foundation of the mountainside building is ensured.
When the foundation structure of the mountain-side building provided by the embodiment is built, a mountain body is excavated according to the occupied area of the mountain-side building to be built, then a basic plain concrete layer 1, a basic waterproof layer 4, a waterproof concrete layer 5 and a gravel layer 6 are sequentially laid on a leveled foundation, and a mountain body supporting concrete layer 2 is laid on the side of the excavated mountain body after being shaped, so that the lower side of the mountain body supporting concrete layer 2 is connected with the outer edge of the waterproof concrete layer 5. Because the mountain supporting concrete is obliquely arranged and provided with the drain hole 21, the cross section of the waterproof concrete layer 5 is concave-inward arched, and the gravel layer 6 laid on the waterproof concrete layer 5 has a gap, the water flow flowing along the mountain supporting concrete layer 2 and the water flow flowing out of the drain hole 21 flow uniformly to the middle part of the waterproof concrete layer 5. The waterproof concrete layer 5 is longitudinally inclined, and the lower end of the waterproof concrete layer 5 extends into the drainage channel of the mountain body, so that water flow is guided into the drainage channel of the mountain body, and drainage of the foundation of the mountainous building is achieved.
The mountain supporting concrete layer 2 is obliquely arranged, the building is usually vertically arranged, and a corresponding structure body is arranged between the building bottom plate and the building foundation mechanism, so that a larger gap exists between the building side wall and the mountain supporting concrete layer 2, and water flow left along the mountain supporting concrete layer 2 cannot impact the side wall of the building; meanwhile, the building foundation has a large area, so that the gravel layer 6 on the waterproof concrete layer 5 also has a large enough area, and therefore, the gravel layer 6 can be ensured to have enough water drainage capacity, and the water drainage requirement of the mountainside building foundation is met.
In conclusion, when the foundation structure of the mountain-side building provided by the embodiment is built, the drainage ditch 9 does not need to be dug independently, the drainage ditch 9 does not need to be widened or deepened, and the excavated volume of the mountain is small; the foundation of the building foundation is paved with plain concrete, a foundation waterproof layer 4 and a waterproof concrete layer 5, and the mountain supporting concrete layer 2 is paved on the excavated side of the mountain, which are basic structures required by the mountainside buildings. Therefore, the mountainside building foundation structure provided by the embodiment can reduce the earth volume excavated by the mountains during the construction of the mountainside building foundation, thereby reducing the construction cost of the mountainside building foundation and shortening the construction period.
Example 2
The embodiment provides a method for constructing a foundation of a mountainside building, which is used for constructing the foundation structure of the mountainside building and comprises the following steps:
excavating a mountain body according to the floor area of a mountainside building to be constructed, leveling a foundation and shaping the excavated side of the mountain body, so that the excavated side surface of the mountain body forms a groove;
pouring a mountain supporting concrete layer 2 on the mountain excavation side, forming a drainage groove 22 after the groove is attached with the concrete layer, and drilling a drainage hole 21 on the mountain supporting concrete layer 2;
building foundation piles 11 on the foundation;
after foundation piles 11 are built, sequentially paving a basic plain concrete layer 1, a basic waterproof layer 4, a waterproof concrete layer 5, a gravel layer 6 and a top plain concrete layer 7 on the foundation;
building a Bingge net cage 8 at the periphery of the gravel layer 6, so that a drainage ditch 9 is formed by the Bingge net cage 8 which is opposite to the mountain supporting concrete layer 2 and the mountain supporting mixed soil layer;
paving a first smooth concrete layer 91 at the bottom of the drainage ditch 9, and paving a second smooth concrete layer 92 on the side wall of the drainage ditch 9 far away from the mountain supporting concrete layer 2;
and paving a top waterproof layer 10 on the Bingge net cage 8 and the top plain concrete layer 7 to finish building of the foundation structure of the mountainside building.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A foundation structure of a mountainside building is characterized by comprising a foundation plain concrete layer (1) and a mountain supporting concrete layer (2) which is obliquely arranged;
the foundation plain concrete layer (1) is used for covering the upper surface of a foundation, a foundation waterproof layer (4), a waterproof concrete layer (5) and a gravel layer (6) are sequentially laid on the foundation plain concrete layer (1), the cross section of the waterproof concrete layer (5) is in an inwards concave arch shape, and the middle part of the waterproof concrete layer (5) is longitudinally inclined;
the mountain supporting concrete layer (2) is used for covering a mountain just opposite to a mountain excavated by a mountain building, the mountain supporting concrete layer (2) is provided with a plurality of drain holes (21), the drain holes (21) penetrate through the mountain supporting concrete layer (2), and the lower side of the mountain supporting concrete layer (2) is connected with the outer edge of the waterproof concrete layer (5).
2. A mountaineering building foundation structure according to claim 1, wherein the gravel layer (6) comprises a first graded layer (61), a second graded layer (62) and a third graded layer (63) which are laid in sequence, and the gravel particle size of the first graded layer (61), the third graded layer (63) and the second graded layer (62) is increased in sequence.
3. A mountaineering building foundation structure according to claim 1 or 2, characterized in that a layer of plain concrete (7) is laid on the gravel layer (6).
4. A mountainside architecture foundation structure as claimed in claim 3, further comprising a plurality of Bingge net cages (8), wherein the plurality of Bingge net cages (8) are arranged around the periphery of the gravel layer (6), and the Bingge net cages (8) facing the mountain supporting concrete layer (2) and the mountain supporting concrete layer enclose drainage ditches (9).
5. A mountaineering building foundation structure according to claim 4, wherein a roof waterproof layer (10) is laid on the plain roof concrete layer (7) and the Bingge cage (8).
6. A mountaineering building foundation structure according to claim 4, wherein the mountain supporting concrete layer (2) is provided with a plurality of drainage grooves (22), and the lower ends of the drainage grooves (22) extend into the drainage ditch (9).
7. A mountaineering building foundation structure according to claim 4, wherein a first smooth concrete layer (91) is laid on the bottom surface of the drainage ditch (9), a second smooth concrete layer (92) is arranged on the side wall of the drainage ditch (9) far away from the mountain supporting concrete layer (2), the lower side of the second smooth concrete layer (92) is connected with the first smooth concrete layer (91), and the height of the second smooth concrete layer (92) is lower than that of the Bingge cage (8).
8. A mountaineering building infrastructure according to claim 7, characterized in that the height of the second plain concrete layer (92) is less than half the height of the binge grid box (8).
9. A mountaineering building foundation structure according to claim 8, further comprising a plurality of vertically arranged foundation piles (11), wherein the lower ends of the foundation piles (11) penetrate through the foundation plain concrete layer (1), and the upper ends of the foundation piles (11) protrude out of the top waterproof layer (10).
10. A method of constructing a foundation of a mountainside building for constructing a foundation structure of the mountainside building according to any one of claims 1 to 9, comprising the steps of:
excavating a mountain body according to the occupied area of a mountainside building to be constructed, leveling a foundation and shaping the excavated side of the mountain body, so that the excavated side surface of the mountain body forms a groove;
a mountain supporting concrete layer (2) is poured on the mountain excavation side, a drainage groove (22) is formed after the concrete layer is attached to the groove, and a drainage hole (21) is drilled in the mountain supporting concrete layer (2);
building foundation piles (11) on the foundation;
after foundation piles (11) are built, sequentially paving a basic plain concrete layer (1), a basic waterproof layer (4), a waterproof concrete layer (5), a gravel layer (6) and a top plain concrete layer (7) on the foundation;
building a Bingge net cage (8) at the periphery of the gravel layer (6) so as to enclose a drainage ditch (9) between the Bingge net cage (8) which is right opposite to the mountain supporting concrete layer (2) and the mountain supporting concrete layer;
paving a first smooth concrete layer (91) at the bottom of the drainage ditch (9), and paving a second smooth concrete layer (92) on the side wall of the drainage ditch (9) far away from the mountain supporting concrete layer (2);
and paving a top waterproof layer (10) on the binge grid box (8) and the top plain concrete layer (7) to finish the construction of the foundation structure of the mountainside building.
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