CN110984245A - Basement anti-floating anchor rod and construction method thereof - Google Patents
Basement anti-floating anchor rod and construction method thereof Download PDFInfo
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- CN110984245A CN110984245A CN201911259261.4A CN201911259261A CN110984245A CN 110984245 A CN110984245 A CN 110984245A CN 201911259261 A CN201911259261 A CN 201911259261A CN 110984245 A CN110984245 A CN 110984245A
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- 238000010276 construction Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000002689 soil Substances 0.000 claims abstract description 15
- 239000010410 layer Substances 0.000 claims description 54
- 238000007789 sealing Methods 0.000 claims description 21
- 238000005553 drilling Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 17
- 238000005266 casting Methods 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 239000000565 sealant Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000012945 sealing adhesive Substances 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241000826860 Trapezium Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/10—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure
- E02D31/12—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure against upward hydraulic pressure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/04—Watertight packings for use under hydraulic pressure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/30—Miscellaneous comprising anchoring details
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
A basement anti-floating anchor rod and a construction method thereof comprise a soil construction body, a concrete cushion layer, a basement bottom plate building layer and an anti-floating anchor rod; the concrete cushion layer is arranged at the top of the soil construction body, and drill holes are formed in the soil construction body and the concrete cushion layer; four anti-floating anchor rods are arranged inside the drill hole, and the anti-floating anchor rods and the drill hole are filled through a pouring layer; the top ends of the four anti-floating anchor rods are inserted into a connecting protection piece, and the centers of the four anti-floating anchor rods are fixed through hoops; the distance between the four anti-floating anchor rods is sequentially increased from top to bottom; the outer sides of the concrete cushion layer and the protection piece are provided with basement bottom plate building layers, and a water stop piece is arranged between the concrete cushion layer and the anti-floating anchor rod. The anti-collapse anchor rod can effectively prevent collapse in a drilled hole, meanwhile, the bearing capacity of the anti-collapse anchor rod is increased, the integral waterproof performance is improved, and the integral firmness is ensured.
Description
Technical Field
The invention belongs to the technical field of basement construction, and particularly relates to a basement anti-floating anchor rod and a construction method thereof.
Background
The anti-floating anchor rod is one of anti-floating measures of an underground structure of a building engineering, refers to a structural member arranged for resisting upward displacement of a building on the anti-floating anchor rod, is related to the height and the change condition of an underground water level, and is opposite to the stress direction of a compression-resistant pile; the anti-floating pile bears the pulling force for the anti-pulling pile body, the stress of the common anti-floating pile is also transferred from the pile top to the pile bottom, and the stress of the pile body is changed along with the change of the underground water level.
Generally, the waterproofing of an anti-floating anchor rod is a difficult point and a weak link of underground waterproofing construction; the general anti-floating anchor rod waterproof method only carries out waterproof treatment to the root of the anti-floating anchor rod and the junction of the concrete cushion layer, the waterproof treatment of the part of the anchor bar extending into the foundation slab still has the difficult problem of forming a water seepage channel along the steel bar, meanwhile, the risk of collapse exists in the drill hole, and the bearing capacity of the anti-floating anchor rod is greatly reduced when the anti-floating anchor rod waterproof method is used.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a basement anti-floating anchor rod and a construction method thereof, and the specific technical scheme is as follows:
a basement anti-floating anchor rod comprises a soil construction body, a concrete cushion layer, a basement bottom plate building layer and an anti-floating anchor rod; the concrete cushion layer is arranged at the top of the soil construction body, and drill holes are formed in the soil construction body and the concrete cushion layer;
four anti-floating anchor rods are arranged inside the drill hole, and the anti-floating anchor rods and the drill hole are filled through a pouring layer; the top ends of the four anti-floating anchor rods are inserted into a connecting protection piece, and the centers of the four anti-floating anchor rods are fixed through hoops; the distance between the four anti-floating anchor rods is sequentially increased from top to bottom; the outer sides of the concrete cushion layer and the protection piece are provided with basement bottom plate building layers, and a water stop piece is arranged between the concrete cushion layer and the anti-floating anchor rod.
Furthermore, limiting parts are welded on the outer sides of the four anti-floating anchor rods and are formed by a plurality of continuous arc-shaped bulges; the radian of the arc-shaped bulge from top to bottom is gradually reduced.
Further, the water stopping piece comprises a screw, a sealing adhesive layer, a jack, a sealing plate, a threaded hole, an installation plate and a baffle plate, wherein the periphery of the installation plate is provided with the threaded hole, and the threaded hole is internally matched with the connecting screw; the screw is used for connecting the mounting plate and the concrete cushion layer, a baffle is arranged on one side of the mounting plate, the sealing plate is arranged on the other side of the mounting plate, and the insertion holes are formed in the surface of the sealing plate; the anti-floating anchor rod is inserted into the jack, and the jack and the anti-floating anchor rod are filled through a sealing glue layer.
Furthermore, the baffle adopts a hemispherical structure, and the diameter of the baffle is smaller than that of the mounting plate; the diameter of the mounting plate is larger than that of the sealing plate, and the side part of the sealing plate is of an arc-shaped structure.
Furthermore, the water stop piece also comprises a pouring hole, and the pouring hole adopts an S-shaped structure; the pouring hole is communicated with the drilling hole.
Further, the protection piece comprises a water stop plate and a top plate, four anti-floating anchor rods are fixed at the bottom of the water stop plate, and the top of the water stop plate is fixed with the top plate; the edge of the top plate is bent downwards.
A construction method of a basement anti-floating anchor rod comprises the following steps:
carrying out the pouring of a soil construction body and a concrete cushion layer, and drilling holes;
assembling an anti-floating anchor rod, a water stop piece and a protection piece, and installing the anti-floating anchor rod, the water stop piece and the protection piece into the drill hole after assembling;
vacuumizing the drill hole through a pouring hole, and injecting a pouring material;
and pouring on the top of the concrete cushion layer and the outer side of the protection piece to form a basement bottom plate building layer.
Further, the assembling of the anti-floating anchor rod, the water stop piece and the protection piece and the installation after the assembly into the drill hole comprise,
fixing the tops of the four anti-floating anchor rods to the bottom of the protection piece;
the anti-floating anchor rod penetrates through the water stop piece and is sealed by pouring sealant;
each anti-floating anchor rod is fixed by a binding hoop at a preset angle
Welding a limiting part outside the bottom end of the anti-floating anchor rod;
inserting the part of the anti-floating anchor rod provided with the limiting piece into the drill hole to enable the limiting piece to abut against the drill hole;
the water stop piece is connected with the concrete cushion layer through a screw.
Further, the injecting the casting compound includes,
three quarters of pouring materials are injected into the drill holes through the pouring holes, and the drill holes are kept still for ten minutes;
and continuously injecting the casting material into the drill hole through the casting hole until the casting material overflows from the casting hole and stops.
The invention has the beneficial effects that:
according to the invention, the plurality of anti-floating anchor rods are fixed and arranged in a special connection mode, so that collapse in a drilled hole can be effectively prevented, and meanwhile, the bearing capacity of the anti-floating anchor rods is increased; in addition, the drilling holes are filled in a pouring mode after the anti-floating anchor rods are fixed, so that the overall waterproof performance is improved, and the overall firmness is ensured.
Drawings
Fig. 1 shows a schematic structural view of a basement anti-floating anchor rod of the invention;
fig. 2 shows a schematic structural view of a water stop according to an embodiment of the present invention.
Shown in the figure: 1. basement bottom plate building layer, 2, concrete cushion layer, 3, civil engineering structure body, 31, drilling, 4, pouring layer, 5, limiting piece, 6, anti-floating anchor rod, 7, binding hoop, 8, water stop piece, 81, pouring hole, 82, screw, 83, sealant layer, 84, jack, 85, sealing plate, 86, threaded hole, 87, mounting plate, 88, baffle, 9, protection piece, 91, water stop plate, 92 and top plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A basement anti-floating anchor rod comprises a soil construction body 3, a concrete cushion layer 2, a basement bottom plate building layer 1 and an anti-floating anchor rod 6; the concrete cushion layer 2 is arranged at the top of the soil building body 3, and drill holes 31 are formed in the soil building body 3 and the concrete cushion layer 2; four anti-floating anchor rods 6 are arranged inside the drill hole 31, anti-floating measures are added through the four anti-floating anchor rods 6, and the anti-floating anchor rods 6 and the drill hole 31 are filled through a pouring layer 4, so that the tensile property of the anti-floating anchor rods 6 is improved, and the waterproof property is better; the top ends of the four anti-floating anchor rods 6 are inserted into a connecting protection piece 9, and the centers of the four anti-floating anchor rods 6 are fixed through hoops 7; the distance between the four anti-floating anchor rods 6 is sequentially increased from top to bottom; the outer sides of the concrete cushion layer 2 and the protection piece 9 are provided with a basement bottom plate building layer 1, and a water stop piece 8 is arranged between the concrete cushion layer 2 and the anti-floating anchor rod 6, so that good waterproof performance is realized.
As an improvement of the above technical scheme, the limiting parts 5 are welded to the outer sides of the four anti-floating anchor rods 6, and each limiting part 5 is formed by a plurality of continuous arc-shaped protrusions; the arc arch radian from top to bottom gradually reduces, increases the frictional force between anti-floating anchor 6 and the drilling 31 through locating part 5, improves anti-floating ability, supports drilling 31 inside through locating part 5 simultaneously, avoids drilling 31 inside the condition that cracks appear, collapse.
As an improvement of the above technical solution, the water stop 8 includes a screw 82, a sealant layer 83, a plug hole 84, a sealing plate 85, a threaded hole 86, a mounting plate 87 and a baffle 88, the periphery of the mounting plate 87 is provided with the threaded hole 86, and the threaded hole 86 is internally matched with the connecting screw 82; the screw 82 is used for connecting the mounting plate 87 and the concrete cushion layer 2, a baffle 88 is arranged on one side of the mounting plate 87, the sealing plate 85 is arranged on the other side of the mounting plate 87, and the insertion hole 84 is formed in the surface of the sealing plate 85; an anti-floating anchor rod 6 is inserted into the insertion hole 84, and the space between the insertion hole 84 and the anti-floating anchor rod 6 is filled through a sealant layer 83; good waterproof performance is achieved by the water stop 8.
As an improvement of the above technical solution, the baffle plate 88 adopts a hemispherical structure, and the diameter of the baffle plate 88 is smaller than that of the mounting plate 87; the diameter of mounting panel 87 is greater than the diameter of closing plate 85, just closing plate 85's lateral part adopts the arc structure, has good mediation effect, avoids in water infiltrates drilling 31, realizes good water-proof effects.
As an improvement of the above technical solution, the water stop 8 further includes a pouring hole 81, and the pouring hole 81 adopts an S-shaped structure; the pouring hole 81 is communicated with the drilling hole 31; pouring materials are conveniently added into the drill hole 31, and pouring is achieved.
As a modification of the above technical solution, the protection member 9 includes a water stop plate 91 and a top plate 92, four anti-floating anchor rods 6 are fixed to the bottom of the water stop plate 91, and the top of the water stop plate 91 is fixed to the top plate 92; the edge of the top plate 92 is bent downwards; and good waterproof and fixing effects are realized.
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention, and exemplarily, as shown in fig. 1, a concrete cushion 2 is arranged on the top of the civil engineering structure 3, and drilling holes 31 are formed in the concrete cushion 2 and the civil engineering structure 3 for installing anti-floating anchor rods 6, wherein the number and the spacing of the drilling holes 31 are designed according to specific requirements; the drilling hole 31 is circular, four anti-floating anchor rods 6 are distributed inside the drilling hole 31, and the top ends of the anti-floating anchor rods 6 are connected with the protection piece 9; the protection member 9 comprises a water stop plate 91 and a top plate 92, the top plate 92 is used for stopping water from penetrating, and the surface area of the top plate 92 is large, so that the top plate is convenient to be connected with the basement bottom building layer 1; the bottom of roof 92 is connected water stop plate 91, and water stop plate 91's cross-section adopts the trapezium structure, realizes on the one hand that four anti-floating anchor rods 6 are fixed, on the other hand reduces the infiltration of water. The anti-floating anchor rod 6 is connected with the concrete cushion layer 2 through a water stop piece 8, and the center of the anti-floating anchor rod 6 is fixed together through a hoop 7; locating part 5 is welded in the bottom outside of anti-floating anchor rod 6, and anti-floating anchor rod 6 from top to bottom's interval increase, when anti-floating anchor rod 6 inserted in drilling 31, supports drilling 31 inner wall through locating part 5, realizes increasing drilling 31 inner wall and anti-floating anchor rod 6's frictional force simultaneously, improves good anti-floating effect.
Fig. 2 shows a schematic structural diagram of the water stop 8 according to the embodiment of the invention, and exemplarily, as shown in fig. 2, the water stop 8 includes a pouring hole 81, a screw 82, a sealant layer 83, a plug hole 84, a sealing plate 85, a threaded hole 86, a mounting plate 87, and a baffle 88; the mounting plate 87 is of a disc-shaped structure, a sealing plate 85 is arranged on one side of the mounting plate 87, the side portion of the sealing plate 85 is of an arc-shaped structure, an insertion hole 84 is formed in the surface of the sealing plate 85 and used for inserting the anti-floating anchor rod 6, and the anti-floating anchor rod 6 and the insertion hole 84 are sealed through a sealing glue layer 83; a pouring hole 81 is formed in the water stop 8, so that pouring can be conveniently carried out in the drill hole 31; threaded holes 86 are formed in the periphery of the mounting plate 87, and the threaded holes 86 are matched with the connecting screws 82 and used for mounting the whole water stop 8; the other side of mounting panel 87 is equipped with baffle 88, and baffle 88 adopts hemisphere structure for add water-proof effects.
A construction method of a basement anti-floating anchor rod comprises the following steps:
the method comprises the following steps: pouring the soil construction body 3 and the concrete cushion layer 2, and forming a drilling hole 31;
step two: assembling the anti-floating anchor rod 6, the water stop 8 and the protection piece 9, and installing the assembled components into the drill hole 31;
specifically, the method comprises the following steps:
the tops of four anti-floating anchor rods 6 are fixed at the bottom of a protection member 9,
the anti-floating anchor rod 6 penetrates through the water stop piece 8, and the joint of the anti-floating anchor rod and the water stop piece is sealed by pouring sealant;
fixing each anti-floating anchor rod 6 at a preset angle through a hoop 7;
welding a limiting piece 5 outside the bottom end of the anti-floating anchor rod 6;
inserting the part of the anti-floating anchor rod 6 provided with the limiting piece 5 into the drill hole 31, and enabling the limiting piece 5 to abut against the drill hole 31; at the moment, the inner wall of the drill hole 31 applies pressure to the limiting piece 5, the limiting piece 5 and the limiting piece are mutually abutted, the inner wall of the drill hole 31 is supported through the limiting piece 5, and meanwhile, the pressure generated between the limiting piece 5 and the drill hole can effectively increase the anti-floating effect;
the water stop member 8 is connected to the concrete pad 2 by screws 82.
Step three: vacuumizing the drilled hole 31 through a pouring hole 81, and injecting a pouring material;
specifically, the method comprises the following steps: three quarters of pouring materials are injected into the drill hole 31 through the pouring hole 81, and the stand is carried out for ten minutes;
pouring the casting material into the drill hole 31 continuously through the pouring hole 81 until the casting material overflows from the pouring hole 81 and stops pouring; through the mode of pouring the pouring material in the distributing type, realize pouring the material through pouring for the second time and fill the crack that produces when pouring the material into for the first time, improve holistic fastness, improve waterproof performance simultaneously.
Step four: and pouring on the top of the concrete cushion layer 2 outside the protection piece 9 to form a basement bottom board building layer 1.
According to the invention, the plurality of anti-floating anchor rods are fixed and arranged in a special connection mode, so that collapse in a drilled hole can be effectively prevented, and meanwhile, the bearing capacity of the anti-floating anchor rods is increased; in addition, the drilling holes are filled in a pouring mode after the anti-floating anchor rods are fixed, so that the overall waterproof performance is improved, and the overall firmness is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a basement anti-floating anchor rod which characterized in that: comprises a soil construction body (3), a concrete cushion layer (2), a basement bottom plate building layer (1) and an anti-floating anchor rod (6); the concrete cushion layer (2) is arranged at the top of the soil construction body (3), and drill holes (31) are formed in the soil construction body (3) and the concrete cushion layer (2);
four anti-floating anchor rods (6) are arranged inside the drill hole (31), and the space between each anti-floating anchor rod (6) and the corresponding drill hole (31) is filled with a pouring layer (4); the top ends of the four anti-floating anchor rods (6) are inserted into a connecting protection piece (9), and the centers of the four anti-floating anchor rods (6) are fixed through a hoop (7); the distance between the four anti-floating anchor rods (6) is sequentially increased from top to bottom; the outer sides of the concrete cushion layer (2) and the protection piece (9) are provided with a basement bottom plate building layer (1), and a water stop piece (8) is arranged between the concrete cushion layer (2) and the anti-floating anchor rod (6).
2. The basement anti-floating anchor rod of claim 1, wherein: limiting pieces (5) are welded on the outer sides of the four anti-floating anchor rods (6), and the limiting pieces (5) are formed by a plurality of continuous arc-shaped bulges; the radian of the arc-shaped bulge from top to bottom is gradually reduced.
3. The basement anti-floating anchor rod of claim 1, wherein: the water stop piece (8) comprises a screw (82), a sealing adhesive layer (83), an insertion hole (84), a sealing plate (85), a threaded hole (86), a mounting plate (87) and a baffle (88), wherein the threaded hole (86) is formed in the periphery of the mounting plate (87), and the screw hole (86) is internally matched with the connecting screw (82); the screw (82) is used for connecting the mounting plate (87) and the concrete cushion layer (2), a baffle (88) is arranged on one side of the mounting plate (87), the sealing plate (85) is arranged on the other side of the mounting plate (87), and the surface of the sealing plate (85) is provided with the insertion hole (84); an anti-floating anchor rod (6) is inserted into the insertion hole (84), and the insertion hole (84) and the anti-floating anchor rod (6) are filled through a sealing glue layer (83).
4. The basement anti-floating anchor rod of claim 3, wherein: the baffle (88) adopts a hemispherical structure, and the diameter of the baffle (88) is smaller than that of the mounting plate (87); the diameter of the mounting plate (87) is larger than that of the sealing plate (85), and the side part of the sealing plate (85) adopts an arc-shaped structure.
5. The basement anti-floating anchor rod of claim 3, wherein: the water stop piece (8) further comprises a pouring hole (81), and the pouring hole (81) adopts an S-shaped structure; the pouring hole (81) is communicated with the drilling hole (31).
6. The anti-floating anchor rod for the basement according to any one of claims 1-5, wherein: the protection piece (9) comprises a water stop plate (91) and a top plate (92), four anti-floating anchor rods (6) are fixed at the bottom of the water stop plate (91), and the top of the water stop plate (91) is fixed with the top plate (92); the edge of the top plate (92) is bent downwards.
7. A construction method of a basement anti-floating anchor rod is characterized by comprising the following steps: a construction method for applying the basement anti-floating anchor rod as claimed in any one of claims 1-6 comprises the following steps:
pouring a soil construction body (3) and a concrete cushion layer (2), and drilling holes (31) in the concrete cushion layer;
assembling the anti-floating anchor rod (6), the water stop piece (8) and the protection piece (9), and installing the anti-floating anchor rod, the water stop piece and the protection piece into the drill hole (31) after assembly;
vacuumizing the drill hole (31) through a pouring hole (81), and injecting a pouring material;
and pouring is carried out on the outer side of the protection piece (9) and the top of the concrete cushion layer (2) to form a basement bottom plate building layer (1).
8. The construction method of the basement anti-floating anchor rod according to claim 7, characterized in that: the assembly of the anti-floating anchor rod (6), the water stop piece (8) and the protection piece (9) is carried out, and the anti-floating anchor rod, the water stop piece and the protection piece are installed in the drill hole (31) after being assembled,
fixing the tops of the four anti-floating anchor rods (6) to the bottom of the protection piece (9);
the anti-floating anchor rod (6) penetrates through the water stop piece (8) and is sealed by pouring sealant;
each anti-floating anchor rod (6) is fixed by a binding hoop (7) in a preset angle
Welding a limiting piece (5) outside the bottom end of the anti-floating anchor rod (6);
inserting the part of the anti-floating anchor rod (6) provided with the limiting piece (5) into the drill hole (31) to enable the limiting piece (5) to abut against the drill hole (31);
the water stop piece (8) is connected with the concrete cushion layer (2) through a screw (82).
9. The construction method of the basement anti-floating anchor rod according to claim 7, characterized in that: the pouring of the casting material comprises the steps of,
three-quarters of pouring materials are injected into the drill hole (31) through a pouring hole (81), and the drill hole is static for ten minutes;
pouring the casting material into the drill hole (31) continuously through the pouring hole (81) until the casting material overflows from the pouring hole (81) and stops.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911259261.4A CN110984245B (en) | 2019-12-10 | 2019-12-10 | Basement anti-floating anchor rod and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911259261.4A CN110984245B (en) | 2019-12-10 | 2019-12-10 | Basement anti-floating anchor rod and construction method thereof |
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| CN110984245A true CN110984245A (en) | 2020-04-10 |
| CN110984245B CN110984245B (en) | 2024-09-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142479A (en) * | 2022-08-03 | 2022-10-04 | 深圳市宏源建设工程有限公司 | Pressure type prestressing force anti-floating anchor rod waterproof construction |
| CN115163149A (en) * | 2022-06-22 | 2022-10-11 | 保利长大工程有限公司 | Anti-floating anchor rod construction process based on tunnel engineering |
| CN116263053A (en) * | 2021-12-14 | 2023-06-16 | 中国五冶集团有限公司 | Vacuum suction type anti-floating anchor rod |
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| JPH07216915A (en) * | 1994-02-04 | 1995-08-15 | Kajima Corp | Construction method of underground type storage tank and bottom mounting float |
| CN103603379A (en) * | 2013-12-03 | 2014-02-26 | 葛建 | Anti-floating system combining anti-floating cement soil pile and anti-floating anchor rod and construction process of anti-floating system |
| CN206308694U (en) * | 2016-12-09 | 2017-07-07 | 中建八局第二建设有限公司 | A kind of antiseep and Bar Anchorage anti-float anchor rod |
| CN208884589U (en) * | 2018-09-17 | 2019-05-21 | 中国轻工业武汉设计工程有限责任公司 | A kind of anti-float roof bolt stump |
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2019
- 2019-12-10 CN CN201911259261.4A patent/CN110984245B/en active Active
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116263053A (en) * | 2021-12-14 | 2023-06-16 | 中国五冶集团有限公司 | Vacuum suction type anti-floating anchor rod |
| CN115163149A (en) * | 2022-06-22 | 2022-10-11 | 保利长大工程有限公司 | Anti-floating anchor rod construction process based on tunnel engineering |
| CN115163149B (en) * | 2022-06-22 | 2023-04-21 | 保利长大工程有限公司 | Anti-floating anchor construction process based on tunnel engineering |
| CN115142479A (en) * | 2022-08-03 | 2022-10-04 | 深圳市宏源建设工程有限公司 | Pressure type prestressing force anti-floating anchor rod waterproof construction |
| CN115142479B (en) * | 2022-08-03 | 2024-05-10 | 深圳市宏源建设科技有限公司 | Pressure type prestress anti-floating anchor rod waterproof structure |
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| CN110984245B (en) | 2024-09-20 |
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