CN212316958U - Non-excavation type miniature pile group/bundle pile plate wall supporting structure - Google Patents
Non-excavation type miniature pile group/bundle pile plate wall supporting structure Download PDFInfo
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- CN212316958U CN212316958U CN202022076771.2U CN202022076771U CN212316958U CN 212316958 U CN212316958 U CN 212316958U CN 202022076771 U CN202022076771 U CN 202022076771U CN 212316958 U CN212316958 U CN 212316958U
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Abstract
The utility model provides a non-excavation miniature stake crowd/bundle pile board wall supporting construction, at least one fix at the internal miniature stake modular unit of bank protection, each miniature stake modular unit includes at least on the bank protection body on same inclined plane from top to bottom the last miniature stake crowd, well miniature spiral stake crowd and miniature stake crowd down that set up, it is fixed through the concrete connecting piece to go up between miniature stake crowd, well miniature spiral stake crowd and the miniature stake crowd down, and use the concrete connecting piece as the benchmark will be connected with the last miniature stake crowd in each miniature stake modular unit, well miniature spiral stake crowd and the miniature stake crowd down with reinforced concrete pouring on the surface between, form the reinforced concrete slab surface course of a unit.
Description
Technical Field
The utility model belongs to the technical field of the side slope protection technique and specifically relates to a loess area side slope protection technique specifically is a non-excavation miniature pile crowd/bundle stake diaphragm wall supporting construction.
Background
The micro pile generally refers to a small-diameter cast-in-situ bored pile with the pile diameter of 70-300 mm, and the length-fineness ratio of the micro pile is large. Only light construction equipment is needed during construction, pile positions are flexibly arranged, construction speed is high, adaptability to construction sites is strong, and influence on environment is small. In recent years, the method has been continuously applied to landslide control, slope reinforcement and other projects.
The construction operation of miniature stake mainly divide into four stages, and firstly the rig punches as required, secondly go on an incessant cleaning process to the hole before the whole process of pore-forming reaches the grout, and the reinforcing bar is put into as required to the third, and the grout, closed roof.
Because the existing micro-piles are generally only used for constructing micro-pile groups at the lower part of an excavation area, the existing micro-piles are only used for protecting rock strata, and related technical means are not used for protecting side slopes in non-excavation areas, particularly in areas with strong expansive force and loess areas.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a miniature stake crowd of non-excavation formula/bundle stake panel wall supporting construction and construction method to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a supporting structure for non-excavation type miniature pile group/pile bundle plate wall comprises
At least one micro pile combined unit fixed in the slope protection body,
each micro pile combined unit at least comprises an upper micro pile group, a middle micro spiral pile group and a lower micro pile group which are arranged on a slope protection body with the same inclined plane from top to bottom, the upper micro pile group, the middle micro spiral pile group and the lower micro pile group are fixed through concrete connectors, and the upper micro pile group, the middle micro spiral pile group and the lower micro pile group in each micro pile combined unit are connected through reinforced concrete pouring on the surfaces by taking the concrete connectors as a reference, so that a reinforced concrete slab surface layer of one unit is formed.
Further, go up miniature pile crowd including following the body of protecting the slope and constructing the last slip casting pipe of a plurality of unit modules on same horizontal horizon, construct the supporter along last slip casting intraductal wall, at the bottom of each last slip casting pipe pour into the grit concrete thick liquid and tamp and construct first base, along putting steel reinforcement cage to first base under the last supporter inboard, along go up the steel reinforcement cage inside and outside pouring into the grit concrete and constitute miniature pile unit module.
Furthermore, the middle miniature spiral pile group comprises middle spiral grouting pipes for constructing a plurality of unit modules on the same horizontal line along a slope protection body, flexible supporting bodies are constructed along the inner walls of the middle spiral grouting pipes, gravel concrete slurry is poured into the bottom of each middle spiral grouting pipe and tamped to construct a second base, a middle reinforcement cage is placed to the second base along the inner sides of the flexible supporting bodies, and gravel concrete is poured into the middle spiral grouting pipes along the inner sides and the outer sides of the middle spiral grouting pipes to form the middle spiral pile unit modules.
Furthermore, the lower miniature pile group comprises lower grouting pipes for constructing a plurality of unit modules on the same horizontal line along the slope protection body, lower supporting bodies are constructed along the inner walls of the lower grouting pipes, gravel concrete slurry is poured into the bottom of each lower grouting pipe and tamped to construct a third base, lower reinforcing cages are lowered to the third base along the inner sides of the lower supporting bodies, and gravel concrete is poured into the inner sides and the outer sides of the lower reinforcing cages to form the lower miniature pile unit modules.
Further, go up the supporter and include along the fixed geotechnological cloth of going up of last slip casting pipe inner wall, be provided with ring type support piece along last geotechnological cloth inboard, it is fixed by a plurality of anchor rods on going up between the ring type support piece, at the inside below of ring type support piece on the reinforcing bar cage, follow go up the reinforcing bar cage inside and outside pouring into gravel and sand concrete and constitute miniature stake unit module, be provided with one on the top of anchor rod at each and go up the tool to lock, should go up and be provided with one on the tool to lock and go up the inclined hole, be provided with the last oblique anchor rod to last anchor rod support along last inclined hole, it wears out the slip casting pipe and fixes in the slope protection internal portion to go up the oblique anchor rod, and goes up the oblique anchor rod and.
Furthermore, the flexible supporting body comprises a middle geotextile fixed along the inner wall of the middle spiral grouting pipe, a fiber grid arranged along the inner side of the middle geotextile, a middle reinforcement cage is placed to the second base on the inner side of the fiber grid, and gravel concrete is poured into the middle spiral grouting pipe along the inner side and the outer side of the middle spiral grouting pipe to form a middle spiral pile unit module.
Further, the fiber mesh is one of carbon fiber or glass fiber.
Further, the lower supporter includes along the fixed geotechnological cloth of upper slip casting pipe inner wall, is provided with down ring type support piece along geotechnological cloth inboard down, is fixed by a plurality of lower bolts between the ring type support piece down, and at the inside below reinforcing cage of ring type support piece down, follows the inside and outside gravel and concrete of pouring into of reinforcing cage constitutes down miniature stake unit module, is provided with a tool to lock on the top of each lower bolt, is provided with down the inclined hole on this tool to lock down, is provided with the down oblique stock to lower anchor bar support along the lower inclined hole, down the inclined stock wear out down the slip casting pipe and fix in the slope protection internal portion, and down the inclined stock and lower anchor bar constitute "people" font bearing structure.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, go up miniature pile group and be used for keeping out the decurrent shearing force of side slope [ the power that the gliding produced ], middle well spiral miniature pile is used for forming the support to last miniature pile group and is used for forming the second and says and keep out the decurrent shearing force of side slope, and lower miniature pile group is used for forming the support and is used for forming the third and says and keep out the decurrent shearing force of side slope to last miniature pile group and middle spiral miniature pile, and miniature pile group has constituted the supporting role to last miniature pile group down.
The utility model discloses in, can be applicable to the bank protection in non-excavation area, especially, be applicable to the side slope protection in inflation soil area and loess area. In the slope protection of expansive soil area and loess area, direct drilling, the support piece will be constructed in the drilling that accomplishes, can also be according to the matrix of protection slope, select suitable flexible support piece, saved the construction process to the drilling.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is an enlarged view of the present invention at A in FIG. 1;
FIG. 3 is a structural diagram of the upper micro-pile of the present invention;
FIG. 4 is a top view of the middle and upper micro-pile of the present invention;
fig. 5 is a top view of the micro-pile combined unit of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 5, the present invention provides a non-excavation micro pile group/bundle pile plate wall supporting structure, comprising at least one micro pile combination unit fixed in a slope protection body 1,
each micro pile combined unit at least comprises an upper micro pile group 2, a middle micro spiral pile group 3 and a lower micro pile group 4 which are arranged on a slope protection body 1 with the same inclined plane from top to bottom, the upper micro pile group 2, the middle micro spiral pile group 3 and the lower micro pile group 4 are fixed through concrete connectors, and the upper micro pile group 2, the middle micro spiral pile group 3 and the lower micro pile group 4 in each micro pile combined unit are connected through reinforced concrete pouring on the surfaces by taking the concrete connectors as a reference, so that a reinforced concrete slab surface layer 5 of one unit is formed.
In the above, go up miniature pile crowd 2 and include and construct the last slip casting pipe of a plurality of unit modules on same horizontal horizon along the bank protection body, construct the supporter along last slip casting intraductal wall, pour into gravel concrete thick liquid and tamp and construct first base 23 in the bottom of each last slip casting pipe, put steel reinforcement cage 29 to first base 23 down along last supporter inboard, follow the inside and outside gravel concrete that pours into of steel reinforcement cage 29 constitutes miniature pile unit module 20.
Go up the supporter including along the fixed geotechnological cloth 25 of going up of last slip casting pipe inner wall, be provided with upper ring formula support piece 24 along last geotechnological cloth 25 inboard, fixed by a plurality of stock 26 of going up between upper ring formula support piece 24, at the reinforcement cage 29 of going up in 24 inside belows of upper ring formula support piece, follow go up reinforcement cage 29 the inside and outside is poured into the gravel and concrete and is constituted miniature stake unit module, and the top of stock is provided with one and goes up tool to lock 27 on each, should go up and is provided with one on the tool to lock 27 and go up the inclined hole, is provided with the last oblique stock 28 to last stock support along last inclined hole, it wears out the slip casting pipe and fixes inside slope protection body 1 to go up oblique stock 28 and last stock 26 constitutes "people" font bearing structure.
In the above, the middle miniature spiral pile group 3 includes a middle spiral grouting pipe for constructing a plurality of unit modules on the same horizontal line along the slope protection body, a flexible supporting body 31 is constructed along the inner wall of the middle spiral grouting pipe, a second base 32 is constructed by filling gravel concrete into the bottom of each middle spiral grouting pipe and tamping, a middle reinforcement cage is lowered to the second base 32 along the inner side of the flexible supporting body 31, and gravel concrete is filled along the inner side and the outer side of the middle spiral grouting pipe to form the middle spiral pile unit module 30.
The flexible supporting body 31 comprises middle geotextile fixed along the inner wall of the middle spiral grouting pipe, fiber grids arranged along the inner sides of the middle geotextile, a middle reinforcement cage placed to the second base on the inner sides of the fiber grids, and middle spiral pile unit modules formed by pouring gravel concrete along the inner sides and the outer sides of the middle spiral grouting pipe.
The fiber mesh is one of carbon fiber or glass fiber.
In the above, the lower micro pile group 4 includes lower grouting pipes for constructing a plurality of unit modules on the same horizontal line along the slope protection body, lower supporting bodies 42 constructed along the inner walls of the lower grouting pipes, a third base 43 constructed by filling gravel concrete into the bottom of each lower grouting pipe and tamping, lower reinforcement cages 40 through the third base 43 lowered along the inner sides of the lower supporting bodies 43, and lower micro pile unit modules 41 constructed by filling gravel concrete along the inner and outer sides of the lower reinforcement cages 43.
The concrete structure of the lower support body 42 is the same as that of the upper support body, the lower support body 42 comprises a lower geotextile fixed along the inner wall of the upper grouting pipe, a lower ring type support piece is arranged along the inner side of the lower geotextile, the lower ring type support piece is fixed by a plurality of lower anchor rods, a lower steel reinforcement cage is arranged below the inner part of the lower ring type support piece, sand concrete is filled into the inner side and the outer side of the lower steel reinforcement cage to form a lower micro pile unit module, a lower lock is arranged at the top end of each lower anchor rod, a lower inclined hole is arranged on the lower lock, a lower inclined anchor rod supporting the lower anchor rod is arranged along the lower inclined hole, the lower inclined anchor rod penetrates out of the lower grouting pipe and is fixed inside the slope protection body, and the lower inclined anchor rod and the lower anchor rod form a 'herringbone' supporting.
The utility model discloses in, go up miniature pile group and be used for keeping out the decurrent shearing force of side slope [ the power that the gliding produced ], middle well spiral miniature pile is used for forming the support to last miniature pile group and is used for forming the second and says and keep out the decurrent shearing force of side slope, and lower miniature pile group is used for forming the support and is used for forming the third and says and keep out the decurrent shearing force of side slope to last miniature pile group and middle spiral miniature pile, and miniature pile group has constituted the supporting role to last miniature pile group down.
The utility model also provides a construction method of non-excavation miniature pile crowd/bundle stake bulkhead supporting construction, this construction method is applicable to the slope that the native region of inflation and loess region constitute, including following step:
step 1) drilling:
drilling straight holes on the same horizontal line along the upper end of the slope protection body to construct upper grouting pipes of a plurality of unit modules,
middle spiral grouting pipes of the plurality of unit modules are constructed on the same horizontal line and at the lower parts of the upper grouting pipes of the plurality of unit modules,
constructing lower grouting pipes of the plurality of unit modules on the same horizontal line in the middle spiral micro pile group of the plurality of unit modules;
step 2), constructing a micro pile group:
constructing upper supporting bodies along the inner walls of the upper grouting pipes, filling gravel concrete slurry into the bottom of each upper grouting pipe and tamping to construct a first base, placing an upper reinforcement cage to the first base along the inner side of the upper supporting bodies, filling gravel concrete along the inner side and the outer side of the upper reinforcement cage to form an upper micro-pile unit module, and pouring a first connecting piece of I-steel on a certain section in the middle of the upper micro-pile unit module,
constructing flexible supporting bodies along the inner walls of the middle spiral grouting pipes, pouring gravel concrete slurry into the bottom of each middle spiral grouting pipe and tamping to construct a second base, lowering a middle reinforcement cage to the second base along the inner sides of the flexible supporting bodies, pouring gravel concrete along the inner sides and the outer sides of the middle spiral grouting pipes to form a middle spiral pile unit module, pouring a second connecting piece of I-shaped steel on the top surfaces of the middle spiral pile unit modules, pouring a third connecting piece of the I-shaped steel on a certain section in the middle of the middle spiral pile unit module, wherein the second connecting piece and the first connecting piece are on the same horizontal plane;
constructing a lower support body along the inner wall of each lower grouting pipe, pouring gravel concrete slurry into the bottom of each lower grouting pipe and tamping to construct a third base, lowering a lower reinforcement cage to the third base along the inner side of the lower support body, pouring gravel concrete along the inner side and the outer side of the lower reinforcement cage to form a lower miniature pile unit module, and pouring a fourth connecting piece of I-shaped steel on the top surface of the lower miniature pile unit module, wherein the fourth connecting piece and the third connecting piece are on the same horizontal plane;
step 3), constructing a concrete connecting piece:
excavating the micro pile unit modules upwards from the tops of the middle screw pile unit modules to form a right-angle surface, enabling the second connecting piece and the first connecting piece to be on the same horizontal plane, constructing I-shaped steel by the second connecting piece and the first connecting piece to form a first concrete cage, pouring concrete into the first concrete cage to form a first surface seat, excavating the middle screw pile unit modules from the tops of the lower micro pile unit modules to form a right-angle surface, enabling the third connecting piece and the fourth connecting piece to be on the same horizontal plane, constructing I-shaped steel by the third connecting piece and the fourth connecting piece to form a second concrete cage, pouring concrete into the second concrete cage to form a second surface seat, enabling the upper micro piles and the middle micro screw piles to be connected through the first surface seats, connecting the plurality of first surface seats to form a first micro pile group plate wall base, and enabling the upper micro pile group and the middle screw pile group to be connected through the first micro pile group plate wall base, the middle micro spiral pile and the lower micro pile are connected through a second face seat, a plurality of second face seats are connected to form a second micro pile group plate wall base, so that the middle micro spiral pile group and the lower micro pile group are connected through a first micro pile group plate wall base,
step 4), constructing a reinforced concrete slab surface layer:
and pouring reinforced concrete upwards by taking the first micro pile group plate wall base and the first micro pile group plate wall base as substrates, so that the upper ends of the upper micro pile group, the middle micro spiral pile group and the lower micro pile group form a reinforced concrete plate surface layer at the same level.
Further, in step 2),
the upper support body is constructed by
An upper geotextile fixed along the inner wall of the upper grouting pipe,
penetrating a plurality of upper anchor rods into a plurality of upper ring type supporting pieces, and arranging the lower anchor rods into an upper grouting pipe;
the flexible support body structure comprises
A middle geotextile fixed along the inner wall of the middle spiral grouting pipe,
fiber grids are arranged along the inner side of the middle geotextile;
the lower support body is constructed by
A lower geotextile fixed along the inner wall of the lower grouting pipe,
and penetrating a plurality of lower anchor rods into the plurality of lower ring type supporting pieces and into the lower grouting pipe from the lower part.
The utility model discloses in, can be applicable to the bank protection in non-excavation area, especially, be applicable to the side slope protection in inflation soil area and loess area. In the slope protection of expansive soil area and loess area, direct drilling, the support piece will be constructed in the drilling that accomplishes, can also be according to the matrix of protection slope, select suitable flexible support piece, saved the construction process to the drilling.
The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can be combined in a proper manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.
Claims (8)
1. A non-excavation type miniature pile group/pile bundle plate wall supporting structure is characterized by comprising
At least one micro pile combined unit fixed in the slope protection body,
each micro pile combined unit at least comprises an upper micro pile group, a middle micro spiral pile group and a lower micro pile group which are arranged on a slope protection body with the same inclined plane from top to bottom, the upper micro pile group, the middle micro spiral pile group and the lower micro pile group are fixed through concrete connectors, and the upper micro pile group, the middle micro spiral pile group and the lower micro pile group in each micro pile combined unit are connected through reinforced concrete pouring on the surfaces by taking the concrete connectors as a reference, so that a reinforced concrete slab surface layer of one unit is formed.
2. The trenchless micro pile group/bundle pile-plate wall supporting structure of claim 1, wherein the upper micro pile group comprises an upper grouting pipe for constructing a plurality of unit modules on the same horizontal line along the slope protection body, an upper support body is constructed along the inner wall of the upper grouting pipe, a first base is constructed at the bottom of each upper grouting pipe, a reinforcement cage is placed down to the first base along the inner side of the upper support body, and gravel concrete is poured into the inner side and the outer side of the reinforcement cage to form the upper micro pile unit modules.
3. The trenchless micro pile group/bundle pile-plate wall supporting structure of claim 1, wherein the middle micro spiral pile group comprises a middle spiral grouting pipe for constructing a plurality of unit modules on the same horizontal line along the slope protection body, flexible supporting bodies are constructed along the inner wall of the middle spiral grouting pipe, a second base is constructed at the bottom of each middle spiral grouting pipe, a middle reinforcement cage is lowered to the second base along the inner side of the flexible supporting body, and gravel concrete is poured along the inner side and the outer side of the middle spiral grouting pipe to form the middle spiral pile unit modules.
4. The trenchless micro pile group/sheet pile wall support structure of claim 1, wherein the lower micro pile group comprises a lower grouting pipe for constructing a plurality of unit modules along the revetment body on the same horizontal line, a lower support body is constructed along the inner wall of the lower grouting pipe, a third base is constructed at the bottom of each lower grouting pipe, a lower cage is lowered to the third base along the inner side of the lower support body, and gravel concrete is poured into the inner and outer sides of the lower cage to construct the lower micro pile unit modules.
5. The trenchless micro-pile group/bundle pile-slab wall supporting structure of claim 2, wherein the upper supporting body comprises an upper ring type supporting member along the inner wall of the upper grouting pipe, the upper ring type supporting member is fixed by a plurality of upper anchor rods, a steel bar cage is arranged below the inner part of the upper ring type supporting member, sand concrete is filled into the inner side and the outer side of the upper steel bar cage to form an upper micro-pile unit module, an upper lock is arranged at the top end of each upper anchor rod, an upper inclined hole is arranged on the upper lock, an upper inclined anchor rod supporting the upper anchor rod is arranged along the upper inclined hole, the upper inclined anchor rod penetrates through the upper grouting pipe and is fixed inside the slope protection body, and the upper inclined anchor rod and the upper anchor rod form a supporting structure shaped like a Chinese character 'ren'.
6. The trenchless micro pile group/bundle pile-plate wall support structure of claim 3, wherein the flexible support comprises a fiber mesh fixed along an inner wall of the central spiral grouting pipe, a middle reinforcement cage is lowered to the second base at an inner side of the fiber mesh, and gravel concrete is poured into the central spiral grouting pipe along the inner and outer sides to form a middle spiral pile unit module.
7. The trenchless micro-pile cluster/bundle pile-plate wall support structure of claim 6, wherein the fiber mesh is one of carbon fiber or glass fiber.
8. The trenchless micro pile group/sheet pile wall supporting structure of claim 4, wherein the lower supporting body comprises lower ring type supporting members fixed along the inner wall of the upper grouting pipe, the lower ring type supporting members are fixed by a plurality of lower anchor rods, a lower steel cage is arranged below the inner part of the lower ring type supporting members, sand concrete is filled into the inner side and the outer side of the lower steel cage to form lower micro pile unit modules, a lower lock is arranged at the top end of each lower anchor rod, a lower inclined hole is arranged on the lower lock, a lower inclined anchor rod for supporting the lower anchor rod is arranged along the lower inclined hole, the lower inclined anchor rod penetrates through the lower grouting pipe and is fixed inside the slope protection body, and the lower inclined anchor rod and the lower anchor rod form a herringbone supporting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022076771.2U CN212316958U (en) | 2020-09-21 | 2020-09-21 | Non-excavation type miniature pile group/bundle pile plate wall supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022076771.2U CN212316958U (en) | 2020-09-21 | 2020-09-21 | Non-excavation type miniature pile group/bundle pile plate wall supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212316958U true CN212316958U (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022076771.2U Expired - Fee Related CN212316958U (en) | 2020-09-21 | 2020-09-21 | Non-excavation type miniature pile group/bundle pile plate wall supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212316958U (en) |
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2020
- 2020-09-21 CN CN202022076771.2U patent/CN212316958U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210108 Termination date: 20210921 |