CN114809562A - Cliff cantilever structure and construction method thereof - Google Patents
Cliff cantilever structure and construction method thereof Download PDFInfo
- Publication number
- CN114809562A CN114809562A CN202210294196.4A CN202210294196A CN114809562A CN 114809562 A CN114809562 A CN 114809562A CN 202210294196 A CN202210294196 A CN 202210294196A CN 114809562 A CN114809562 A CN 114809562A
- Authority
- CN
- China
- Prior art keywords
- cliff
- hole
- anchoring hole
- anchoring
- outlet pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title abstract description 14
- 238000004873 anchoring Methods 0.000 claims abstract description 122
- 239000011440 grout Substances 0.000 claims abstract description 71
- 239000002002 slurry Substances 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/18—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/20—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/16—Struts or stiffening rods, e.g. diagonal rods
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides a construction method of a cliff cantilever structure, which comprises the following steps: the anchoring hole is formed in the side part of the cliff wall; one end of the supporting arm penetrates through the anchoring hole and is fixedly connected with the inner wall of the anchoring hole, and the other end of the supporting arm is exposed out of the anchoring hole; a recess formed in a top surface of the anchoring hole; the first slurry outlet pipe is connected to the position, corresponding to the pit, of the supporting arm, and extends into the pit; one end of the first pipeline is communicated with the first grout outlet pipe, and the other end of the first pipeline extends out of the anchoring hole; the grouting pipes are arranged at intervals at the part of the supporting arm positioned in the anchoring hole and are arranged in a staggered manner with the grout outlet pipe; and injecting concrete grout into the anchoring holes through the grouting pipes until the concrete grout flows out of the first pipeline, so that the anchoring holes are filled with the concrete grout. According to the invention, the grout outlet pipe and the grouting pipe are arranged in the supporting arm, so that concrete can be completely filled in a gap between the anchoring hole and the supporting arm.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a cliff wall cantilever structure and a construction method thereof.
Background
When constructing a cliff wall, an overhanging structure often needs to be erected, and the conventional construction method is that a through hole is formed in the cliff wall, the overhanging structure is inserted into the through hole, and then grouting is performed on the position, located on the surface of the cliff wall, of the through hole to fix a steel support.
Disclosure of Invention
In view of the above circumstances, the present invention provides a cliff wall overhanging structure and a construction method thereof, which solves the technical problem of difficult fixing of overhanging structures in traditional construction, wherein a plurality of grouting pipes are arranged on a support arm, so that concrete can be injected into anchoring holes in multiple directions, pits are arranged in the anchoring holes, and grout outlet pipes are arranged in the support arm corresponding to the pits, so that the concrete can be completely filled in gaps between the anchoring holes and the support arm, and the grouting pipes and the grout outlet pipes are anchored in the concrete after the concrete is solidified, thereby improving the adhesion of the concrete and improving the stability of the support arm.
In order to achieve the purpose, the invention adopts the technical scheme that:
a cliff cantilever structure comprising:
the anchoring hole is formed in the side part of the cliff wall;
one end of the supporting arm penetrates through the anchoring hole and is fixedly connected with the inner wall of the anchoring hole, and the other end of the supporting arm is exposed out of the anchoring hole;
a pit formed on the top surface of the anchoring hole;
the first slurry outlet pipe is connected to the position, corresponding to the pit, of the supporting arm, and extends into the pit;
one end of the first pipeline is communicated with the first grout outlet pipe, and the other end of the first pipeline extends out of the anchoring hole;
the grouting pipes are arranged at intervals at the part of the supporting arm positioned in the anchoring hole and are arranged in a staggered manner with the grout outlet pipe;
and injecting concrete grout into the anchoring holes through the grouting pipes until the concrete grout flows out of the first pipeline, so that the anchoring holes are filled with the concrete grout.
The cliff wall overhanging structure is further improved in that a plurality of concave parts are formed on the inner wall of the anchoring hole corresponding to the grouting pipe, and the grouting pipe extends into the corresponding concave parts;
and a set distance is reserved between the grouting pipe and the inner wall of the anchoring hole and between the grout outlet pipe and the inner wall of the anchoring hole, and the top elevation of the grouting pipe is lower than that of the grout outlet pipe.
The cliff wall overhanging structure is further improved in that a plurality of first threaded holes are formed in the supporting arm at intervals corresponding to the concave parts, the grouting pipes are screwed in the first threaded holes, and the distance between the grouting pipes and the inner walls of the anchoring holes is adjusted by screwing the grouting pipes.
The cliff wall overhanging structure is further improved in that a second threaded hole is formed in the position, corresponding to the pit, of the supporting arm, the pulp outlet pipe is screwed in the second threaded hole, and the distance between the pulp outlet pipe and the top surface of the pit is adjusted by screwing the pulp outlet pipe.
The cliff wall overhanging structure is further improved in that the cliff wall overhanging structure further comprises a second slurry outlet pipe and a second pipeline, wherein one end of the second slurry outlet pipe is positioned in the supporting arm, the other end of the second slurry outlet pipe is flush with the bottom surface of the supporting arm, one end of the second pipeline is communicated with the second slurry outlet pipe, and the other end of the second pipeline extends out of the anchoring hole;
and injecting concrete grout into the anchoring holes through the grouting pipes until the concrete grout flows out from the first pipeline and the second pipeline simultaneously, so that the anchoring holes are filled with the concrete grout.
The cliff wall overhanging structure is further improved in that the cliff wall overhanging structure further comprises a third pipeline, one end of the third pipeline is communicated with the grouting pipe, and the other end of the third pipeline extends out of the anchoring hole.
The cliff wall overhanging structure is further improved in that the cliff wall overhanging structure further comprises a plurality of anchor rods which are anchored on the inner wall of the anchoring hole and partially extend into the anchoring hole, and the supporting arms are fixedly connected with the end parts of the anchor rods extending into the anchoring hole.
The cliff wall cantilever structure is further improved in that the cliff wall cantilever structure further comprises a bearing arm and a cantilever, wherein one end of the bearing arm is rotatably connected to the cliff wall and is positioned below the anchoring hole, the cantilever is fixedly connected to the other end of the bearing arm, and the end, close to the cliff wall, of the cantilever is fixedly connected to the end, protruding out of the anchoring hole, of the supporting arm.
The cliff wall overhanging structure is further improved in that the cliff wall overhanging structure further comprises an embedded part which is anchored below the corresponding supporting arm of the cliff wall and partially protrudes out of the cliff wall, and the bearing arm is rotatably connected with the embedded part through a ball shaft.
A construction method of a cliff wall cantilever structure comprises the following steps:
arranging anchoring holes on the side parts of the cliff walls, and arranging pits on the tops of the inner walls of the anchoring holes;
one end of the supporting arm penetrates through the anchoring hole and is fixedly connected with the inner wall of the anchoring hole, and the pulp outlet pipe partially extends into the pit;
and injecting concrete into the anchoring hole through the grouting pipe until the concrete grout flows out of the first pipeline and fills the anchoring hole.
The construction method of the cliff wall cantilever structure comprises the steps that the support arm is provided with the plurality of grouting pipes, so that concrete can be poured into the anchoring holes in multiple directions and can be suitable for anchoring holes in any shapes, the pit is arranged in the anchoring hole, the grouting pipe is arranged in the support arm corresponding to the pit, so that the concrete can be completely filled in the gap between the anchoring hole and the support arm, the grouting pipes and the grouting pipes are anchored in the concrete after the concrete is solidified, the adhesion of the concrete is improved, the connection stability of the anchoring hole and the support arm is improved, the grouting pipes and the grouting pipes are arranged in a staggered mode, and therefore a structure similar to meshing connection is formed between the grouting pipes and the inner wall of the anchoring hole, a traditional plane connection structure is avoided, the anchoring stability of the support arm is improved, and the tensile capacity of the support arm is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a side sectional view of the cliff cantilever structure of the invention.
The correspondence of reference numerals to components is as follows: cliff wall 1, anchor hole 11, anchor rod 12, pit 13, support arm 2, cantilever 31, bearing arm 32, gusset plate 33, prefabricated block 4, anchor bolt 41, spherical seat 42, first grout outlet pipe 5, first pipeline 51, second grout outlet pipe 52, second pipeline 53 and grouting pipe 6.
Detailed Description
To facilitate an understanding of the present invention, the following description is made in conjunction with the accompanying drawings and examples.
Referring to fig. 1, the present invention provides a cliff cantilever structure, including:
an anchor hole 11 opened in a side portion of the cliff wall 1;
one end of the supporting arm 2 penetrates through the anchoring hole 11 and is fixedly connected with the inner wall of the anchoring hole 11, and the other end of the supporting arm 2 is exposed out of the anchoring hole 11;
a recess 13 formed in the top surface of the anchor hole 11;
the first slurry outlet pipe 5 is connected to the position, corresponding to the pit 13, of the support arm 2, and the first slurry outlet pipe 5 extends into the pit;
a first pipeline 51 with one end communicated with the first grout outlet pipe 5 and the other end extending out of the anchoring hole 11;
the grouting pipes 6 are arranged at intervals on the part of the supporting arm 2 positioned in the anchoring hole 11 and are staggered with the first grout outlet pipe 5;
concrete grout is injected into the anchoring hole 11 through the grout pipe 6 until the concrete grout flows out from the first pipe 51, so that the gap between the anchoring hole 11 and the support arm 2 is filled with the concrete grout.
The cliff cantilever structure of the invention enables concrete to be injected into the anchoring hole 11 in multiple directions by arranging the plurality of grouting pipes 6 in the supporting arm 2, can be suitable for the anchoring hole 11 in any shape, enables the concrete to be completely filled in the gap between the anchoring hole 11 and the supporting arm 2 by arranging the pit 13 in the anchoring hole 11 and arranging the first grout outlet pipe 5 in the supporting arm 2 corresponding to the pit 13, improves the adhesion of the concrete and the connection stability of the anchoring hole 11 and the supporting arm 2, and the first grout outlet pipes 5 and the grouting pipes 6 are arranged in a staggered manner, so that a structure similar to meshing connection is formed between the first grout outlet pipes 5 and the grouting pipes 6 and the inner wall of the anchoring hole 11, thereby avoiding the traditional plane connection structure and enhancing the anchoring stability of the supporting arm, the tensile capacity of the support arm is improved.
A preferred embodiment of the construction method of the cliff wall overhanging structure of the invention is that a plurality of sunken depressed parts are formed on the inner wall of the anchoring hole 11 corresponding to the grouting pipe 6, and the grouting pipe 6 extends into the corresponding depressed parts;
and a set distance is reserved between the grouting pipe 6 and the inner wall of the anchoring hole 11 and between the first grout outlet pipe 5 and the inner wall of the anchoring hole 11, and the top elevation of the grouting pipe 6 is lower than that of the first grout outlet pipe 5.
Specifically, a plurality of first screw holes are formed in the supporting arm corresponding to the concave parts at intervals, the grouting pipe 6 is screwed in the first screw holes, and the height of the grouting pipe 6 is adjusted along the vertical direction by screwing the grouting pipe 6, so that the distance between the grouting pipe 6 and the inner wall of the anchoring hole 11 is adjusted.
Specifically, the second threaded hole is opened in the position that support arm 2 corresponds pit 13, and first play thick liquid pipe 5 spiro union in second threaded hole is through revolving first play thick liquid pipe 5 soon to adjust the height of first play thick liquid pipe 5 along vertical direction, thereby adjust the interval between the inner wall of slip casting pipe 6 and anchor hole 11, so that the concrete can flow out smoothly and get into anchor hole 11.
Further, the device also comprises a second slurry outlet pipe 52 and a second pipeline 53, wherein one end of the second slurry outlet pipe is positioned in the support arm 2, the other end of the second slurry outlet pipe is flush with the bottom surface of the support arm 2, one end of the second pipeline is communicated with the second slurry outlet pipe 52, and the other end of the second pipeline extends out of the anchoring hole 11;
the concrete grout is injected into the anchoring hole 11 through the grout pipe 6 until the concrete grout flows out from the first pipe 51 and the second pipe 52 at the same time, thereby filling the anchoring hole 11 with the concrete grout.
Furthermore, the concrete grouting pipe also comprises a third pipeline, one end of the third pipeline is communicated with the grouting pipe 6, the other end of the third pipeline extends out of the anchoring hole 11, and external concrete grout can enter the anchoring hole 11 through the third pipeline.
Specifically, the support arm device further comprises a plurality of anchor rods 12 which are anchored on the inner wall of the anchoring hole 11 and partially extend into the anchoring hole 11, and the support arm 2 is fixedly connected with the end parts of the anchor rods 12 extending into the anchoring hole 11.
Furthermore, a bearing arm 32 with one end rotatably connected to cliff wall 1 and located below anchor hole 11 and a cantilever 31 fixedly connected to the other end of bearing arm 32 are included, and the end of cantilever 31 near cliff wall 1 is fixedly connected to the end of support arm 32 protruding out of anchor hole 11.
The bearing arm 32 is adjusted by rotation so that the end of the arm 31 near the cliff 1 abuts the end of the arm 2, and the arm 31 and the arm 2 are fixedly connected by the gusset plate 33.
Furthermore, the embedded part is anchored below the corresponding support arm 2 of the cliff wall 1 and partially protrudes out of the cliff wall 1, and the bearing arm 2 is rotatably connected with the embedded part through a ball shaft.
Preferably, the ball pivot comprises a ball seat 42 fixedly connected to the embedment and a ball end fixedly connected to the end of the bearing arm 32 near the cliff 1, the ball end being rotatably connected to the ball seat 42.
Specifically, the prefabricated part comprises a groove arranged at a position, corresponding to the lower part of the support arm 2, of the cliff wall 1, a plurality of anchor bolts 41 anchored on the inner wall of the groove, and a prefabricated part 4 fixed in the groove and fixedly connected with the anchor bolts 41, wherein the embedded part is embedded in the prefabricated part 4 and protrudes out of the outer side surface of the prefabricated part 4.
The concrete-free concrete pile foundation further comprises a formwork which surrounds the support arm 2 and is attached to the cliff wall 1, and the formwork surrounds the support arm 2 and is attached to the cliff wall 1 so as to shield the anchoring hole 11 and prevent concrete from flowing out of the anchoring hole.
Preferably, a plurality of overhanging structures are fixed on the side surface of the cliff wall 1 at intervals, and scaffold boards are erected on the top surfaces of the overhanging structures to form a trestle for traffic or construction.
The construction method of the cliff wall overhanging structure has the concrete implementation case that a plurality of anchoring holes 11 are arranged at intervals on the side part of the cliff wall 1, the top parts of the inner walls of the anchoring holes 11 are provided with pits 13, and a plurality of anchor rods 12 are anchored on the inner walls of the anchoring holes 11;
one end of the support arm 2 is arranged in the anchoring hole 11 in a penetrating way and is fixedly connected with the anchor rod 12;
screwing the first grout outlet pipe 5 into a second threaded hole of the support arm 2, screwing the first grout outlet pipe 5 so that a set distance is reserved between the first grout outlet pipe 5 and the bottom of the pit 13, communicating one end of a first pipeline 51 with the first grout outlet pipe 5 and extending the other end of the first pipeline out of the anchoring hole 11, screwing a second grout outlet pipe 52 into the bottom of the support arm 2 and enabling one end of the second grout outlet pipe 52 to be located in the support arm 2 and the other end of the second grout outlet pipe 52 to be flush with the bottom surface of the support arm 2, and communicating one end of a second pipeline 53 with the end of the second grout outlet pipe 52 located in the support arm 2 and extending the other end of the second grout outlet pipe 53 out of the anchoring hole 11;
screwing a plurality of grouting pipes 6 in the first threaded holes of the support arm 2 at intervals, screwing the grouting pipes 6 so that a set distance is reserved between the end part of each grouting pipe 6 close to the inner wall of the anchoring hole 11 and the inner wall of the anchoring hole 11, communicating one end of a third pipeline with each grouting pipe 6, and extending the other end of each third pipeline out of the anchoring hole 11;
enclosing a template on the support arm 2 and attaching the template to the cliff wall 1 to shield the anchor hole 11, injecting concrete slurry into the anchor hole 11 from a third pipeline until the concrete slurry flows out from the corresponding second pipeline 53, filling the part, lower than the bottom surface of the support arm 2, of the anchor hole 11 with the concrete slurry, plugging the end part, located inside the support arm 2, of the second slurry outlet pipe 52, further filling the gap between the anchor hole 11 and the support arm 2 with the concrete slurry when the concrete slurry flows out from the corresponding first pipeline 51, plugging the end parts, located inside the support arm 2, of the first slurry outlet pipe 5 and the grouting pipe 6, dismantling the first pipeline 51, the second pipeline 53 and the third pipeline, and anchoring the first slurry outlet pipe 5, the grouting pipe 6 and the second slurry outlet pipe 51 in the concrete slurry;
a groove is formed in the position, corresponding to the lower part of the support arm 2, of the cliff wall 1, a plurality of anchor bolts 41 are anchored on the inner wall of the groove, the embedded part is fixed in the prefabricated part, a part of the embedded part, to be connected with the spherical seat 42, protrudes out of one side face of the prefabricated part 4, the prefabricated part 4 is fixedly connected with the anchor bolts 41, and the embedded part corresponds to the outer side of the cliff wall 1;
fixedly connecting the spherical seat 42 to the embedded part, rotatably connecting the spherical shaft of the bearing arm 32 to the spherical seat 42, further rotating the bearing arm 32 around the spherical seat 42 to butt the cantilever 31 and the support arm 2, hooping the joint plate 33 at the joint of the cantilever 31 and the support arm 2, and fixedly connecting the joint plate 33, the cantilever 31 and the support arm 2 by using a plurality of screws;
the scaffold board is set up and fixed on the top surface of the plurality of cantilevers 31.
A construction method of a cliff wall cantilever structure comprises the following steps:
an anchoring hole 11 is formed in the side part of the cliff wall 1, and a pit 13 is formed in the top of the inner wall of the anchoring hole 11;
one end of the support arm 2 penetrates through the anchoring hole 11 and is fixedly connected with the inner wall of the anchoring hole 11, and part of the first grout outlet pipe 5 extends into the pit 13;
concrete is injected into the anchoring hole 11 through the grouting pipe 6 until the concrete grout flows out of the first pipeline 51, and the anchoring hole 11 is filled with the concrete grout.
The construction method of the cliff wall overhanging structure has the concrete implementation case that a plurality of anchoring holes 11 are arranged at intervals on the side part of the cliff wall 1, the top parts of the inner walls of the anchoring holes 11 are provided with pits 13, and a plurality of anchor rods 12 are anchored on the inner walls of the anchoring holes 11;
one end of the support arm 2 is arranged in the anchoring hole 11 in a penetrating way and is fixedly connected with the anchor rod 12;
screwing the first grout outlet pipe 5 into a second threaded hole of the support arm 2, screwing the first grout outlet pipe 5 so that a set distance is reserved between the first grout outlet pipe 5 and the bottom of the pit 13, communicating one end of a first pipeline 51 with the first grout outlet pipe 5 and extending the other end of the first pipeline out of the anchoring hole 11, screwing a second grout outlet pipe 52 into the bottom of the support arm 2 and enabling one end of the second grout outlet pipe 52 to be located in the support arm 2 and the other end of the second grout outlet pipe 52 to be flush with the bottom surface of the support arm 2, and communicating one end of a second pipeline 53 with the end of the second grout outlet pipe 52 located in the support arm 2 and extending the other end of the second grout outlet pipe 53 out of the anchoring hole 11;
screwing a plurality of grouting pipes 6 in the first threaded holes of the support arm 2 at intervals, screwing the grouting pipes 6 so that a set distance is reserved between the end part of each grouting pipe 6 close to the inner wall of the anchoring hole 11 and the inner wall of the anchoring hole 11, communicating one end of a third pipeline with each grouting pipe 6, and extending the other end of each third pipeline out of the anchoring hole 11;
enclosing a template on the support arm 2 and attaching the template to the cliff wall 1 to shield the anchor hole 11, injecting concrete slurry into the anchor hole 11 from a third pipeline until the concrete slurry flows out from the corresponding second pipeline 53, filling the part, lower than the bottom surface of the support arm 2, of the anchor hole 11 with the concrete slurry, plugging the end part, located inside the support arm 2, of the second slurry outlet pipe 52, further filling the gap between the anchor hole 11 and the support arm 2 with the concrete slurry when the concrete slurry flows out from the corresponding first pipeline 51, plugging the end parts, located inside the support arm 2, of the first slurry outlet pipe 5 and the grouting pipe 6, dismantling the first pipeline 51, the second pipeline 53 and the third pipeline, and anchoring the first slurry outlet pipe 5, the grouting pipe 6 and the second slurry outlet pipe 51 in the concrete slurry;
a groove is formed in the position, corresponding to the lower part of the support arm 2, of the cliff wall 1, a plurality of anchor bolts 41 are anchored on the inner wall of the groove, the embedded part is fixed in the prefabricated part, a part of the embedded part, to be connected with the spherical seat 42, protrudes out of one side face of the prefabricated part 4, the prefabricated part 4 is fixedly connected with the anchor bolts 41, and the embedded part corresponds to the outer side of the cliff wall 1;
fixedly connecting the spherical seat 42 to the embedded part, rotatably connecting the spherical shaft of the bearing arm 32 to the spherical seat 42, further rotating the bearing arm 32 around the spherical seat 42 to butt the cantilever 31 and the support arm 2, hooping the joint plate 33 at the joint of the cantilever 31 and the support arm 2, and fixedly connecting the joint plate 33, the cantilever 31 and the support arm 2 by using a plurality of screws;
the scaffold board is set up and fixed on the top surface of the plurality of cantilevers 31.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A cliff wall cantilever structure, comprising:
the anchoring hole is formed in the side part of the cliff wall;
one end of the supporting arm penetrates through the anchoring hole and is fixedly connected with the inner wall of the anchoring hole, and the other end of the supporting arm is exposed out of the anchoring hole;
a recess formed in a top surface of the anchor hole;
the first slurry outlet pipe is connected to the position, corresponding to the pit, of the supporting arm, and extends into the pit;
the first pipeline is communicated with the first grout outlet pipe at one end and extends out of the anchoring hole at the other end; and
the grouting pipes are arranged at intervals at the part of the supporting arm positioned in the anchoring hole and are arranged in a staggered manner with the first grout outlet pipe;
and injecting concrete grout into the anchoring hole through the grouting pipe until the concrete grout flows out of the first pipeline, so that the anchoring hole is filled with the concrete grout.
2. The cliff cantilever structure according to claim 1, wherein the inner wall of the anchoring hole is formed with a plurality of recesses corresponding to the grouting pipes, and the grouting pipes are extended into the corresponding recesses;
the grouting pipe and the first grout outlet pipe are arranged with a set distance from the inner wall of the anchoring hole, and the top elevation of the grouting pipe is lower than that of the first grout outlet pipe.
3. The cliff cantilever structure as claimed in claim 2, wherein the supporting arm is provided with a plurality of first threaded holes at intervals corresponding to the recessed portion, the grouting pipe is screwed into the first threaded holes, and the distance between the grouting pipe and the inner wall of the anchoring hole is adjusted by screwing the grouting pipe.
4. The cliff cantilever structure as claimed in claim 1, wherein the supporting arm is provided with a second threaded hole at a position corresponding to the pit, the first slurry outlet pipe is screwed in the second threaded hole, and the distance between the first slurry outlet pipe and the top surface of the pit is adjusted by screwing the first slurry outlet pipe.
5. The cliff cantilever structure according to claim 1, further comprising a second slurry outlet pipe having one end located in the support arm and the other end flush with the bottom surface of the support arm, and a second pipe having one end communicating with the second slurry outlet pipe and the other end extending out of the anchor hole;
and injecting concrete grout into the anchoring hole through the grouting pipe until the concrete grout flows out of the first pipeline and the second pipeline simultaneously, so that the anchoring hole is filled with the concrete grout.
6. The cliff cantilever structure of claim 1, further comprising a third conduit having one end communicating with the grouting pipe and the other end protruding out of the anchoring hole.
7. The cliff cantilever structure of claim 1, further comprising a plurality of anchor rods anchored to the inner wall of the anchor hole and partially extending into the anchor hole, wherein the support arms are fixedly connected to the ends of the anchor rods extending into the anchor hole.
8. The cliff cantilever structure of claim 1, further comprising a load bearing arm pivotally connected at one end to the cliff wall below the anchor hole and a cantilever fixedly connected to the other end of the load bearing arm, the end of the cantilever adjacent the cliff wall being fixedly connected to the end of the support arm projecting out of the anchor hole.
9. The cliff wall cantilever structure of claim 1, further comprising an embedded part anchored to the cliff wall below the corresponding support arm and partially protruding out of the cliff wall, wherein the bearing arm is rotatably connected to the embedded part through a ball shaft.
10. A method for constructing a cliff cantilever structure according to claim 1, comprising the steps of:
arranging anchoring holes on the side parts of the cliff walls, and arranging concave pits on the tops of the inner walls of the anchoring holes;
one end of the supporting arm penetrates through the anchoring hole and is fixedly connected with the inner wall of the anchoring hole, and the first grout outlet pipe partially extends into the pit;
and injecting concrete into the anchoring hole through the grouting pipe until concrete grout flows out of the first pipeline, and filling the anchoring hole with the concrete grout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210294196.4A CN114809562A (en) | 2022-03-23 | 2022-03-23 | Cliff cantilever structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210294196.4A CN114809562A (en) | 2022-03-23 | 2022-03-23 | Cliff cantilever structure and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114809562A true CN114809562A (en) | 2022-07-29 |
Family
ID=82530355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210294196.4A Pending CN114809562A (en) | 2022-03-23 | 2022-03-23 | Cliff cantilever structure and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114809562A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115419083A (en) * | 2022-08-30 | 2022-12-02 | 中国建筑第八工程局有限公司 | Cliff wall supporting system with curved surface modeling and construction method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5836132A (en) * | 1996-04-10 | 1998-11-17 | E-Z Anchor Bolt Template, Inc. | Anchor template |
| CN103225257A (en) * | 2013-04-09 | 2013-07-31 | 中钢集团马鞍山矿山研究院有限公司 | Cantilever beam structure of antique plank road along cliff and construction technology thereof |
| CN207597275U (en) * | 2017-10-31 | 2018-07-10 | 南京林业大学 | A kind of box beam overhangs edge of a wing ruggedized construction |
| CN108979692A (en) * | 2018-09-20 | 2018-12-11 | 山东科技大学 | A kind of novel increasing anchor grouted anchor bar and its construction method |
| CN112031811A (en) * | 2020-07-22 | 2020-12-04 | 济南力稳岩土工程有限公司 | System and method for blocking cliff through water burst and grouting |
| CN212613452U (en) * | 2020-04-07 | 2021-02-26 | 江苏弘仁住宅工业科技发展有限公司 | Prestressed large-span prefabricated staircase |
| CN114232457A (en) * | 2021-12-28 | 2022-03-25 | 四川美术学院 | Large-span cliff wall overhanging structure |
-
2022
- 2022-03-23 CN CN202210294196.4A patent/CN114809562A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5836132A (en) * | 1996-04-10 | 1998-11-17 | E-Z Anchor Bolt Template, Inc. | Anchor template |
| CN103225257A (en) * | 2013-04-09 | 2013-07-31 | 中钢集团马鞍山矿山研究院有限公司 | Cantilever beam structure of antique plank road along cliff and construction technology thereof |
| CN207597275U (en) * | 2017-10-31 | 2018-07-10 | 南京林业大学 | A kind of box beam overhangs edge of a wing ruggedized construction |
| CN108979692A (en) * | 2018-09-20 | 2018-12-11 | 山东科技大学 | A kind of novel increasing anchor grouted anchor bar and its construction method |
| CN212613452U (en) * | 2020-04-07 | 2021-02-26 | 江苏弘仁住宅工业科技发展有限公司 | Prestressed large-span prefabricated staircase |
| CN112031811A (en) * | 2020-07-22 | 2020-12-04 | 济南力稳岩土工程有限公司 | System and method for blocking cliff through water burst and grouting |
| CN114232457A (en) * | 2021-12-28 | 2022-03-25 | 四川美术学院 | Large-span cliff wall overhanging structure |
Non-Patent Citations (1)
| Title |
|---|
| 吴德兴等: "《新型锚杆支护技术与工程实践》", 上海：上海科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115419083A (en) * | 2022-08-30 | 2022-12-02 | 中国建筑第八工程局有限公司 | Cliff wall supporting system with curved surface modeling and construction method thereof |
| CN115419083B (en) * | 2022-08-30 | 2024-06-14 | 中国建筑第八工程局有限公司 | Cliff supporting system with curved surface modeling and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207194006U (en) | A kind of prefabricated concrete retaining wall | |
| CN103790267A (en) | Reinforcement type prefabricated assembly type shear wall structure and construction method thereof | |
| CN201288328Y (en) | Beam-plate integrated prefabricated split mounting type tower crane fixed foundation | |
| CN114809562A (en) | Cliff cantilever structure and construction method thereof | |
| CN212452270U (en) | Bearing-socket type prefabricated bridge pier connecting structure | |
| CN112942945A (en) | Assembled tenon fourth of twelve earthly branches bracket type beam column node connecting device | |
| CN210828341U (en) | Assembled steel bar sleeve is diagonal bracing pole for shutoff of grout chamber | |
| CN112227353A (en) | Assembled integral static pressure pile | |
| CN111622347A (en) | Cross-shaped node connecting structure of assembled frame structure and construction method thereof | |
| CN110777843A (en) | Cantilever type retaining wall and construction method thereof | |
| CN216041287U (en) | Assembled spiral anchor foundation | |
| CN206667492U (en) | A kind of prefabricated composite wallboard and the laterally attached structure of precast stair | |
| CN215053066U (en) | Geotechnical engineering side slope reinforcing apparatus | |
| CN216156604U (en) | Multi-connected-cylinder rectangular assembled well wall structure | |
| CN214423683U (en) | Special-shaped section assembled shear wall with visual post-pouring cavity | |
| CN211737054U (en) | Foundation structure of raise boring machine for gentle slope inclined shaft | |
| CN113323137A (en) | BIM-based assembly type component connecting structure and construction method thereof | |
| CN110158627B (en) | Foundation of prefabricated substation distribution device building and construction method | |
| CN113737843A (en) | Section steel structure combined support construction method for automatic coupling installation of submersible sewage pump | |
| CN114232650A (en) | Prefabricated anchor rod frame lattice beam structure and construction process thereof | |
| CN210507799U (en) | Connector of semi-prefabricated section steel concrete column-section steel concrete beam node unit and section steel concrete beam | |
| CN112942946A (en) | Assembly type tenon-and-mortise bracket type beam-column joint connection method | |
| CN208604615U (en) | A kind of pressurization sinking device for open caisson construction | |
| CN207919592U (en) | A kind of prefabricated assembled pile foundation of bearing platform plinth of transmission tower | |
| CN105971152A (en) | Installation joint for outer wallboards |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220729 |
|
| RJ01 | Rejection of invention patent application after publication |