CN216275754U - Foam concrete ecological treatment tunnel inlet and outlet structure - Google Patents
Foam concrete ecological treatment tunnel inlet and outlet structure Download PDFInfo
- Publication number
- CN216275754U CN216275754U CN202121418007.7U CN202121418007U CN216275754U CN 216275754 U CN216275754 U CN 216275754U CN 202121418007 U CN202121418007 U CN 202121418007U CN 216275754 U CN216275754 U CN 216275754U
- Authority
- CN
- China
- Prior art keywords
- concrete
- prefabricated baffle
- prefabricated
- cast
- sets
- 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.)
- Expired - Fee Related
Links
- 239000011381 foam concrete Substances 0.000 title claims abstract description 39
- 239000004567 concrete Substances 0.000 claims abstract description 74
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 239000004575 stone Substances 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 5
- 239000002689 soil Substances 0.000 claims description 23
- 239000004570 mortar (masonry) Substances 0.000 claims description 8
- 238000011065 in-situ storage Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 239000011150 reinforced concrete Substances 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010454 slate Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Landscapes
- Retaining Walls (AREA)
Abstract
The utility model relates to a foam concrete ecological treatment tunnel inlet and outlet structure, which comprises an anti-slide pile, a miniature steel pipe pile, a prefabricated baffle foundation, embedded angle steel, a prefabricated baffle, foam concrete, a concrete retaining wall and stone slab concrete; the anti-slide pile is characterized in that a miniature steel pipe pile is arranged at the bottom of the anti-slide pile, a prefabricated baffle is arranged on one side of the anti-slide pile, a groove-shaped prefabricated baffle foundation is arranged at the bottom of the prefabricated baffle, a pre-buried angle steel with a hole is arranged at the joint of the prefabricated baffle and the prefabricated baffle foundation, a pre-buried sleeve is arranged on the prefabricated baffle at the bottom, a counter-pull anchor rod and a reserved groove are arranged on the prefabricated baffle at the top, and an anchor rod plug is arranged in the reserved groove; a reinforcing mesh drain pipe system is arranged at the top of a cast-in-place concrete support of the tunnel, and a pre-buried pvc pipe is arranged in a concrete retaining wall on one side of the cast-in-place concrete support. The utility model has the beneficial effects that: the bottom of the anti-slide pile is provided with the miniature steel pipe pile, so that the anti-slide bearing capacity is further improved; the bottom of the precast slab is provided with embedded angle steel, so that the installation precision of the precast slab is improved.
Description
Technical Field
The utility model relates to a foam concrete ecological treatment tunnel entrance and exit structure which is mainly suitable for ecological landslide treatment construction of tunnel excavation at a tunnel entrance and exit of a shallow-buried excavation section.
Background
In the process of highway construction in China, a highway gradually extends to a western mountain area, various geological disaster conditions can be met, and the cost in other aspects is increased too much due to the fact that some roads cannot be avoided or are avoided.
During construction of a few tunnels, loose soil covering on the tunnel roof can be met, the tunnel door section of the side tunnel is positioned at the front edge of a slope body, a free face can be formed at the front edge of the slope body during excavation, deformation and instability of a soil layer on a slope on the left side of the tunnel can be caused, a landslide is formed, the surface instability slope can form a traction type surface instability slope at the front edge of the slope body, and a rock-soil contact face is taken as a slip face, so that the utility model of a related technical measure is urgently needed to prevent the occurrence of disasters, the design is carried out on the premise of keeping the original landform and the landform as far as possible, and meanwhile, the principles of strengthening ecological protection and emphasizing natural harmony are adhered to realize the unification of social development and environmental protection.
In view of this, in order to prevent landslide in the excavation of the tunnel entrance and exit at the shallow excavation section, and to fully exert the advantages of foam concrete and match with the latest assembly technology, the utility model of a simple and effective foam concrete ecological treatment tunnel entrance and exit structure is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a tunnel entrance and exit structure for ecologically treating foam concrete.
The foam concrete ecological treatment tunnel inlet and outlet structure comprises an anti-slide pile, a miniature steel pipe pile, a prefabricated baffle foundation, embedded angle steel, a prefabricated baffle, foam concrete, a concrete retaining wall and stone concrete; the anti-slide pile is characterized in that a miniature steel pipe pile is arranged at the bottom of the anti-slide pile, a prefabricated baffle is arranged on one side of the anti-slide pile, a groove-shaped prefabricated baffle foundation is arranged at the bottom of the prefabricated baffle, a pre-buried angle steel with a hole is arranged at the joint of the prefabricated baffle and the prefabricated baffle foundation, a pre-buried sleeve is arranged on the prefabricated baffle at the bottom, a counter-pull anchor rod and a reserved groove are arranged on the prefabricated baffle at the top, and an anchor rod plug is arranged in the reserved groove; a reinforcing mesh drain pipe system is arranged at the top of a cast-in-place concrete support of the tunnel, and a pre-buried pvc pipe is arranged in a concrete retaining wall on one side of the cast-in-place concrete support; a cast-in-place section is arranged at the splicing position of the prefabricated baffle, a v-shaped embedded rib is arranged at the end part of the prefabricated baffle in the cast-in-place section, and a clip is arranged on the outer side of the anti-slide pile at the position and is welded and fixed with the v-shaped embedded rib; the original soil is provided with oblique short ribs and is anchored with the stone concrete on one side of the original soil; and foam concrete is arranged above the cast-in-place concrete support.
Preferably, the method comprises the following steps: set up prefabricated baffle between friction pile stake and stake, prefabricated baffle bottom sets up prefabricated baffle basis, and prefabricated baffle basis is the cell type, and the inslot both sides set up pre-buried screw rod, and prefabricated baffle bottom symmetry sets up foraminiferous pre-buried angle steel, sets up the stiffening plate on the pre-buried angle steel, and the angle steel pore pair of pre-buried angle steel is pre-buried screw rod and fastening is fixed.
Preferably, the method comprises the following steps: the prefabricated concrete sealing structure is characterized in that a permeable material is arranged between the prefabricated baffles, one side of each prefabricated baffle, which is in contact with the foam concrete, is provided with a pre-embedded sleeve, a rear anchor bar is arranged in the pre-embedded sleeve, the exposed side of the prefabricated baffle on the upper portion is provided with a reserved groove, a main bar of a prefabricated plate in the reserved groove is not broken, the prefabricated baffles are provided with counter-pull anchor rods, the anchor rod plugs are arranged in the reserved grooves, and the rear mortar is poured in the reserved grooves.
Preferably, the method comprises the following steps: the concrete-filled concrete support is characterized in that backfill soil is arranged on one side of the cast-in-place concrete support, a mortar anchor rod is arranged on one side of the backfill soil, a permeable layer is arranged at the bottom of the backfill soil, a drain pipe is arranged in the permeable layer, one end of the drain pipe is connected to a tunnel drainage ditch at the bottom of a tunnel, and plastic drainage bodies are arranged on the outer side of the cast-in-place concrete support every 2-3 m.
Preferably, the method comprises the following steps: the opposite side of cast in situ concrete support sets up the concrete barricade, sets up pre-buried pvc pipe in the concrete barricade, and the concrete barricade lateral wall sets up the slant escape canal, and the concrete barricade toe sets up the blind ditch, sets up the drain pipe in the toe and is connected in the tunnel escape canal, and the cast in situ concrete support top sets up the foam concrete.
Preferably, the method comprises the following steps: a steel bar net is arranged in the foam concrete, small permeable pipes are longitudinally and transversely arranged on the steel bar net, and one end of a main pipe of each small permeable pipe is connected to a pre-buried pvc pipe in the concrete retaining wall.
Preferably, the method comprises the following steps: the concrete retaining wall is characterized in that one side of the concrete retaining wall is provided with stone concrete, and the contact position of the stone concrete and original soil is provided with a slant short rib.
Preferably, the method comprises the following steps: the prefabricated baffle plate is characterized in that a cast-in-place section is arranged between the prefabricated baffle plates, a clip is arranged in the cast-in-place section, a V-shaped embedded rib is arranged at the end part of the prefabricated baffle plate, and an embedded fixed rod is arranged on the upper part of the V-shaped embedded rib and used for fixing a cast-in-place section template.
The utility model has the beneficial effects that:
1. the bottom of the anti-slide pile is provided with the miniature steel pipe pile, so that the anti-slide bearing capacity is further improved.
2. The bottom of the precast slab is provided with embedded angle steel, so that the installation precision of the precast slab is improved.
3. The two sides of the precast slab system are provided with anchoring structures, so that the overall stability of the anti-skid system can be improved.
4. A reinforcing mesh and a drainage system are arranged in the foam concrete, and the drainage system is arranged on two sides of the concrete support, so that the drainage effect is ensured during construction.
5. The joint of the original soil and the stone concrete is provided with the oblique short rib, so that the structure can be prevented from sliding.
6. The V-shaped embedded ribs and the clip-shaped hoops are arranged in the cast-in-place sections of the precast slabs, so that the integrity between the precast slabs and the anti-slide piles can be ensured.
7. A reinforced concrete closing plate is arranged at the top of the foam concrete, and suitable vegetation is selected according to local ecology to carry out earthing greening, so that the unification of social development and environmental protection is realized.
Drawings
FIG. 1 is an overall structure view of an entrance and an exit of a foam concrete ecological treatment tunnel according to the present invention;
FIG. 2 is a schematic view of a prefabricated baffle structure;
FIG. 3 is an enlarged view of the circle in FIG. 2;
FIG. 4 is a prefabricated fender foundation assembly drawing;
FIG. 5 is a block diagram of a prefabricated panel segment.
Description of reference numerals: 1 anti-slide pile, 2 micro steel pipe pile, 3 prefabricated baffle foundation, 4 pre-embedded screw rods, 5 stiffening plate, 6 pre-embedded angle steel, 7 post-connected anchor bars, 8 prefabricated baffle, 9 pre-embedded sleeve, 10 counter-pull anchor rods, 11 permeable material, 12 prefabricated baffle main bars, 13 anchor rod plugging, 14 post-grouting mortar, 15 foreign soil, 16 greening, 17 small permeable pipe, 18 reinforcing mesh, 19 foam concrete, 20 pre-embedded pvc pipe, 21 concrete retaining wall, 23 inclined drainage ditch, 24 plastic drainage body, 26 pieces of stone concrete, 27 drainage pipe, 28 blind ditch, 29 inclined short bar, 30 original soil, 31 tunnel drainage ditch, 32 permeable layer, 33 backfill soil, 34 mortar anchor rod, 35 cast-in-place concrete support, 36 return hoop, 37 pre-embedded fixed rod, 38 cast-in-place section template, 39V type pre-embedded bar, 40 anti-slide pile main bar and 41 reinforced concrete closed plate.
Detailed Description
The present invention will be further described with reference to the following examples. The following examples are set forth merely to aid in the understanding of the utility model. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
As an example, as shown in fig. 1, the utility model relates to a foam concrete ecological treatment tunnel entrance and exit structure, which comprises an anti-slide pile 1, a micro steel pipe pile 2, a prefabricated baffle foundation 3, an embedded screw 4, a stiffening plate 5, embedded angle steel 6, a concrete retaining wall 21, a rear anchor bar 7, a prefabricated baffle 8, foam concrete 19, a concrete retaining wall 21, an inclined drainage ditch 23, a plastic drainage body 24, a stone concrete 26 and the like, wherein the micro steel pipe pile 2 is arranged at the bottom of the anti-slide pile 1, the prefabricated baffle 8 is arranged at one side of the anti-slide pile 1, a reverse anchor rod 10 and a reserved groove are arranged on the prefabricated baffle 8 at the top, an anchor rod plug 13 is arranged in the groove, a reinforcement mesh drainage pipe system is arranged at the top of the cast-in-place concrete support, an embedded pvc pipe 20 is arranged in the concrete retaining wall 21, a v-shaped embedded rib 39 is arranged at a prefabricated plate section, a clip 36 is arranged at the outer side of the anti-slide pile 1 and is welded and fixed with the v-shaped embedded rib 39, the original soil 30 is provided with oblique short ribs 29 to be anchored with the stone concrete 26.
A prefabricated baffle 8 is arranged between a pile 1 of the anti-slide pile and the pile, a prefabricated baffle foundation 3 is arranged at the bottom of the prefabricated baffle 8, the foundation is of a groove shape, embedded screws 4 are arranged on two sides in the groove, embedded angle steel with holes is symmetrically arranged at the bottom of the prefabricated baffle 8, stiffening plates 5 are arranged on the angle steel, and when the first prefabricated baffle 8 is installed, the angle steel holes are aligned with the embedded screws 4 and fastened and fixed.
The back filling 33 is arranged on one side of the cast-in-place concrete support 35, the mortar anchor rod 34 is arranged on one side of the back filling 33, the water permeable layer 32 is arranged at the bottom of the back filling 33, the drain pipe 27 is arranged in the water permeable layer 32, one end of the drain pipe 27 is connected to the tunnel drain 31, and the plastic drain bodies 24 are arranged on the outer side of the cast-in-place concrete support 35 every 2-3 m.
The other side of the cast-in-place concrete support 35 is provided with a concrete retaining wall 21, a pvc drain pipe 20 is embedded in the concrete retaining wall 21, the side wall is provided with an inclined drainage ditch 23, the slope foot is provided with a blind ditch 28, a drain pipe 27 is arranged in the slope foot and is connected with a tunnel drainage ditch 31, and the top of the cast-in-place concrete support 35 is provided with foam concrete 19 for backfilling.
A steel bar net 18 is arranged in the foam concrete, small water permeable pipes 17 are arranged on the steel bar net 18 in a longitudinal and transverse mode, and one end of each small water permeable pipe main pipe is connected to a pre-buried pvc pipe 20 in the concrete retaining wall.
One side of the concrete retaining wall 21 is provided with the slate concrete 26, and the contact part of the slate concrete 26 and the original soil 30 is provided with the oblique short rib 29.
Constructing a layer of reinforced concrete sealing plate 41 on the top of the foam concrete 19, laying soil 15 on the upper part of the reinforced concrete sealing plate 41 and planting greening 16, arranging a drainage pipe 27 along the inclined drainage ditch 23 at the backfilled part of the stone concrete 26, constructing the reinforced concrete sealing plate 41 at the backfilled part of the stone concrete 26, laying soil 15 on the upper part of the reinforced concrete sealing plate 41 and planting greening 16.
As shown in fig. 2-3, a permeable material is arranged between the prefabricated baffle plates, a pre-embedded sleeve 9 is arranged on one side of the prefabricated plate 8, which is in contact with the foam concrete, a rear-mounted anchor bar 7 is arranged in the pre-embedded sleeve 9, a groove is arranged on the exposed side of the prefabricated baffle plate 8 on the upper portion, a main bar 12 of the prefabricated plate in the groove is not broken, a back-pull anchor rod 10 is arranged on the prefabricated baffle plate 8, an anchor rod plug 13 is arranged in the groove, and rear-mounted mortar 14 is arranged in the groove.
As shown in fig. 4, the bottom of the prefabricated baffle 8 is provided with a groove-shaped prefabricated baffle foundation 3, the foundation is constructed into a groove shape, a screw rod 4 is embedded in the groove, the connection part of the prefabricated baffle 8 and the foundation is provided with a perforated embedded angle steel 6, the prefabricated baffle 8 at the bottom is provided with an embedded sleeve 9, the embedded sleeve 9 is internally provided with a post-positioned anchor bar 7, and fine aggregate concrete is poured into the groove.
As shown in fig. 5, a cast-in-place section is arranged between the prefabricated baffles 8, a clip 36 is arranged in the cast-in-place section, a V-shaped embedded rib 39 is arranged at the end of the prefabricated baffle 8, and an embedded fixing rod 37 is arranged at the upper part of the V-shaped embedded rib 39 and used for fixing a cast-in-place section template 38.
According to the foam concrete ecological treatment tunnel inlet and outlet structure, the prefabricated plates are assembled and constructed quickly and are arranged on the outer sides of the slide-resistant piles, the construction appearance quality is good, the V-shaped embedded ribs are arranged at the splicing sections of the prefabricated plates, deformation of the embedded ribs in the transportation process can be prevented, and due to the arrangement of a plurality of drainage systems, the drainage requirements of a follow-up tunnel in service can be met, and the foam concrete ecological treatment tunnel inlet and outlet structure has good comprehensive benefits.
Claims (8)
1. The utility model provides a tunnel exit structure is dealt with to foam concrete ecology which characterized in that: the anti-skid concrete retaining wall comprises an anti-skid pile (1), a miniature steel pipe pile (2), a prefabricated baffle foundation (3), embedded angle steel (6), a prefabricated baffle (8), foam concrete (19), a concrete retaining wall (21) and stone concrete (26); the anti-skid pile is characterized in that a miniature steel pipe pile (2) is arranged at the bottom of an anti-skid pile (1), a prefabricated baffle (8) is arranged on one side of the anti-skid pile (1), a groove-shaped prefabricated baffle foundation (3) is arranged at the bottom of the prefabricated baffle (8), a perforated embedded angle steel (6) is arranged at the joint of the prefabricated baffle (8) and the prefabricated baffle foundation (3), an embedded sleeve (9) is arranged on the prefabricated baffle (8) at the bottom, a counter-pull anchor rod (10) and a reserved groove are arranged on the prefabricated baffle (8) at the top, and an anchor rod plug (13) is arranged in the reserved groove; a reinforcing mesh drainage pipe system is arranged at the top of a cast-in-place concrete support (35) of the tunnel, and a pre-buried pvc pipe (20) is arranged in a concrete retaining wall (21) on one side of the cast-in-place concrete support (35); a cast-in-place section is arranged at the splicing position of the prefabricated baffle, a v-shaped embedded rib (39) is arranged at the end part of the prefabricated baffle in the cast-in-place section, and a clip (36) is arranged on the outer side of the anti-slide pile (1) and is welded and fixed with the v-shaped embedded rib (39); the original soil (30) is provided with oblique short ribs (29) and is anchored with the stone concrete (26) on one side of the original soil (30); and foam concrete (19) is arranged above the cast-in-place concrete support (35).
2. The foam concrete ecological treatment tunnel entrance and exit structure of claim 1, wherein: set up prefabricated baffle (8) between friction pile (1) stake and stake, prefabricated baffle (8) bottom sets up prefabricated baffle basis (3), prefabricated baffle basis (3) are the cell type, and the inslot both sides set up pre-buried screw rod (4), and prefabricated baffle (8) bottom symmetry sets up foraminiferous pre-buried angle steel (6), sets up stiffening plate (5) on pre-buried angle steel (6), and the angle steel pore pair pre-buried screw rod (4) of pre-buried angle steel (6) are fixed in the fastening.
3. The foam concrete ecological treatment tunnel entrance and exit structure of claim 2, wherein: set up permeable material between prefabricated baffle (8), prefabricated baffle (8) contact foam concrete (19) one side sets up pre-buried sleeve (9), sets up back and connects anchor bar (7) in pre-buried sleeve (9), and prefabricated baffle (8) that are located the upper portion expose the side and set up the reserve tank, and prefabricated plate owner muscle (12) in the reserve tank are not broken, sets up on prefabricated baffle (8) and pulls stock (10) against, the reserve tank is arranged in to stock shutoff (13), it irritates mortar (14) to set up the back in the reserve tank.
4. The foam concrete ecological treatment tunnel entrance and exit structure of claim 1, wherein: the concrete-filled concrete support is characterized in that backfill soil (33) is arranged on one side of the cast-in-place concrete support (35), a mortar anchor rod (34) is arranged on one side of the backfill soil (33), a permeable layer (32) is arranged at the bottom of the backfill soil (33), a drain pipe (27) is arranged in the permeable layer (32), one end of the drain pipe (27) is connected to a tunnel drainage ditch (31) at the bottom of a tunnel, and a plastic drainage body (24) is arranged on the outer side of the cast-in-place concrete support (35) every 2-3 m.
5. The foam concrete ecological treatment tunnel entrance and exit structure of claim 4, wherein: cast in situ concrete support (35) opposite side sets up concrete retaining wall (21), sets up pre-buried pvc pipe (20) in concrete retaining wall (21), and concrete retaining wall (21) lateral wall sets up slant escape canal (23), and concrete retaining wall (21) toe sets up blind ditch (28), sets up drain pipe (27) in the toe and is connected in tunnel escape canal (31), and cast in situ concrete support (35) top sets up foam concrete (19).
6. The foam concrete ecological treatment tunnel entrance and exit structure of claim 5, wherein: a steel bar net (18) is arranged in the foam concrete (19), small permeable pipes (17) are arranged on the steel bar net (18) in a longitudinal and transverse mode, and one end of each small permeable pipe is connected to a pre-buried pvc pipe (20) in a concrete retaining wall (21).
7. The foam concrete ecological treatment tunnel entrance and exit structure of claim 1, wherein: concrete retaining wall (21) one side sets up piece stone concrete (26), and piece stone concrete (26) sets up slant short muscle (29) with former soil (30) contact department.
8. The foam concrete ecological treatment tunnel entrance and exit structure of claim 1, wherein: a cast-in-place section is arranged between the prefabricated baffles (8), a clip (36) is arranged in the cast-in-place section, a V-shaped pre-embedded rib (39) is arranged at the end part of the prefabricated baffle (8), and a pre-embedded fixing rod (37) is arranged on the upper part of the V-shaped pre-embedded rib (39) and used for fixing a cast-in-place section template (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121418007.7U CN216275754U (en) | 2021-06-24 | 2021-06-24 | Foam concrete ecological treatment tunnel inlet and outlet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121418007.7U CN216275754U (en) | 2021-06-24 | 2021-06-24 | Foam concrete ecological treatment tunnel inlet and outlet structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216275754U true CN216275754U (en) | 2022-04-12 |
Family
ID=81058579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121418007.7U Expired - Fee Related CN216275754U (en) | 2021-06-24 | 2021-06-24 | Foam concrete ecological treatment tunnel inlet and outlet structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216275754U (en) |
-
2021
- 2021-06-24 CN CN202121418007.7U patent/CN216275754U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103741714A (en) | Full-cover excavation top-down construction method for underground engineering | |
| CN109371905B (en) | Dam and construction method | |
| CN210315102U (en) | Slope protection reinforced roadbed structure of composite ecological decoration panel | |
| CN113308953B (en) | Construction method for widening embankment by utilizing foam concrete of existing retaining wall | |
| CN210975741U (en) | Reinforced structure of earth and rockfill dam | |
| CN111005403A (en) | Assembled three-dimensional reinforced earth retaining wall and construction method thereof | |
| CN113529752A (en) | Construction method for ecologically treating tunnel entrance and exit structure by using foam concrete | |
| CN111322087A (en) | Construction method for soft soil highway tunnel entrance semi-open semi-hidden tunnel in mountainous area | |
| CN114703770A (en) | Box culvert construction process | |
| CN211738217U (en) | Pipeline passes through river course and buries laying structure | |
| CN113323017A (en) | Construction method of side wall fertilizer groove foam concrete backfill system | |
| CN110805049B (en) | Construction method of mountain slope ultra-thickness spray anchor permanent supporting structure | |
| CN216275754U (en) | Foam concrete ecological treatment tunnel inlet and outlet structure | |
| CN217026767U (en) | Existing culvert structure is striden on open cut tunnel | |
| CN215856985U (en) | Wide embankment spliced by foam concrete of existing retaining wall | |
| CN214363925U (en) | Cut water seepage ditch system | |
| CN211547805U (en) | Reinforced retaining wall capable of improving seepage-proofing and drainage performance | |
| CN211200274U (en) | Assembled channel shore protection structure | |
| CN213173779U (en) | Cutting slope protection structure | |
| CN211421139U (en) | Shield constructs well crown beam bearing structure | |
| CN116537221A (en) | Highway tunnel portal section collapse sliding body slope protection reinforcing structure and construction method | |
| CN113846609A (en) | A manger plate gravity dam joint design for covering layer connects basement rock foundation | |
| KR200223114Y1 (en) | A structure reinforcing for retaining wall for inclined plane which to cut off a rock wall | |
| CN215051682U (en) | Light soil-spliced wide embankment with retaining wall | |
| CN217419689U (en) | Soil body high slope outer buttress formula barricade anchor rope reinforced structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220412 |