CN214614052U - Construction device for implanting prefabricated pipe pile into complex geology - Google Patents
Construction device for implanting prefabricated pipe pile into complex geology Download PDFInfo
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- CN214614052U CN214614052U CN202120357722.8U CN202120357722U CN214614052U CN 214614052 U CN214614052 U CN 214614052U CN 202120357722 U CN202120357722 U CN 202120357722U CN 214614052 U CN214614052 U CN 214614052U
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Abstract
The utility model provides a construction equipment of complicated geology is implanted to precast tubular pile, include: the mud pit is divided into a first mud pit and a second mud pit by a transverse partition plate in the middle; a mud pump disposed in the first mud pit; the steel casing is buried in the soil, and a casing hole is formed in the upper part of the side wall of the steel casing and communicated with the concealed pipe; the rotary drilling rig is provided with a hollow drill rod, the bottom end of the drill rod is connected with a drill bit, and the bottom end of the drill bit is provided with an opening; the outer side wall of the drill rod is communicated with the mud pump through a mud pump pipe; and the steel sleeve is arranged inside the top end of the steel casing. The utility model provides a construction equipment of complicated geology is implanted to precast tubular pile effectively overcomes the construction degree of difficulty of precast tubular pile under complicated geological conditions, ensures that the construction quality of complicated geology is implanted to precast control, improves the efficiency of construction.
Description
Technical Field
The utility model relates to a pile foundation construction equipment field especially relates to a construction equipment of complicated geology is implanted to precast tubular pile.
Background
The urban land is tense due to the advance of the urbanization process, and the urban construction direction is changed from land to coastal areas. The topography and the landform of the coastal region are complex, the ground foundation rock soil has various types, uneven distribution and large property change, the foundation is placed below the ground water level, and the stratum is often accompanied by boulders, thereby providing high requirements for the construction of the foundation. When the traditional hammering method or static pressure method is used for constructing the precast pile, due to complex geological conditions and more boulders in the stratum, phenomena such as pile breaking or pile deflection and the like are inevitable in construction, the engineering progress is slowed down, and the engineering cost is influenced.
In order to adapt to the pile foundation construction under complex geological conditions, the pile foundation construction is carried out by adopting an implantation method of a precast tubular pile. Before the precast tubular pile is implanted, mechanical hole digging is needed to be carried out at a preset pile position, and then concrete is poured into the hole and the precast tubular pile is implanted. Therefore, the utility model aims at providing a construction equipment of complicated geology is implanted to precast tubular pile satisfies the construction process and the construction quality requirement that complicated geology was implanted to precast tubular pile.
SUMMERY OF THE UTILITY MODEL
The utility model provides a construction equipment of complicated geology is implanted to precast tubular pile can effectively solve above-mentioned problem.
The utility model discloses a realize like this, a construction equipment of complicated geology is implanted to precast tubular pile, include:
the mud pit is divided into a first mud pit and a second mud pit by a transverse partition plate in the middle; the upper end of the diaphragm plate is provided with a slurry through hole, and a filter mesh is arranged in the slurry through hole; the side wall of the second mud pit is communicated with a concealed pipe;
a mud pump disposed in the first mud pit;
the steel casing is buried in the soil, and a casing hole is formed in the upper part of the side wall of the steel casing and communicated with the concealed pipe;
the rotary drilling rig is provided with a hollow drill rod, the bottom end of the drill rod is connected with a drill bit, and the bottom end of the drill bit is provided with an opening; the outer side wall of the drill rod is communicated with the mud pump through a mud pump pipe;
and the steel sleeve is arranged inside the top end of the steel casing.
As a further improvement, the drill bit drills a hole in the steel casing to obtain a cast-in-place pile hole, and concrete is poured into the cast-in-place pile hole.
As a further improvement, the prefabricated tubular pile further comprises a prefabricated tubular pile penetrating through the steel sleeve, and the inner diameter of the steel sleeve is 2-4 cm larger than the outer diameter of the prefabricated tubular pile.
As a further improvement, the pile driver further comprises a hammering machine, and the precast tubular pile is hammered into the concrete in the cast-in-place pile hole.
As a further improvement, the top end of the steel casing should exceed the construction ground surface by 20-30 cm.
As a further improvement, the length of the steel casing is 300-400 cm, and the length of the steel sleeve is 55-65 cm.
As a further improvement, a sedimentation net is arranged in the second mud pit, the middle of a net piece in the sedimentation net is low, the side edge of the net piece is high, and the aperture of the net piece is 0.5-1.5 cm.
As further improvement, the side edge of the settling net is attached to the inner side wall of the second mud pit, and a plurality of supporting strips are arranged at the edge of the settling net.
As a further improvement, the aperture of the filtering mesh in the slurry through hole is 0.1-0.5 cm.
As a further improvement, the mud through holes are located within the height of the diaphragm top end 1/3.
The utility model has the advantages that:
one is as follows: the utility model is provided with a mud pit, a mud circulation system is provided for the rotary drilling rig when drilling and taking earth, and a steel protective cylinder is arranged, a drill bit of the rotary drilling rig penetrates the steel protective cylinder to dig holes and take earth, sediment in the holes is taken out of a cast-in-place pile hole through the circulation effect of mud, and the steel protective cylinder ensures the verticality of the hole body when drilling and digging holes; the steel casing is provided with a steel sleeve, the precast tubular pile is implanted into the bored concrete pile hole from the steel sleeve, and the steel sleeve ensures the verticality of the precast tubular pile in the implantation process; the utility model discloses a dig hole cast-in-place concrete, reuse hammering stake machine and plant precast tubular pile into concrete, effectively overcome under complicated geological conditions, when having more boulder, pile foundation construction quality problem that causes when using traditional pile or static pressure pile has guaranteed the construction quality of precast tubular pile under complicated geological conditions to the simple easy operation of device promotes the efficiency of construction.
The second step is as follows: in the utility model, the precast tubular pile is poured into the concrete in the cast-in-place pile hole, and then the precast tubular pile is planted into the concrete, so that the peripheral concrete and the inner precast tubular pile bear the force together, and the bearing capacity of the precast tubular pile is improved; meanwhile, the peripheral concrete can be used for isolating underground water for the precast tubular pile, so that the corrosion influence of the underground water on the precast tubular pile is avoided, and the durability of the precast tubular pile is improved.
And thirdly: the net piece in the settling net arranged in the utility model is low in the middle and high in side edge, and the side edge of the settling net can be attached to the inner wall of the second mud pool, so that the sediments in the second mud pool fall into the settling net, and the sediments in the second mud pool are effectively filtered; the settling net is arranged to facilitate taking out of the sediments in the second mud pit, and the sediments can be poured out after being lifted out of the settling net, so that the quantity of the sediments in the mud liquid is improved, and the working performance of the mud liquid is improved; the mud through-hole of cross slab upper end filters sediment and large granule debris in the mud liquid, makes the mud liquid in the first mud pit more accord with the construction requirement.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is the embodiment of the utility model provides a construction equipment's of complicated geology drilling schematic diagram is implanted to precast tubular pile.
Fig. 2 is a schematic view is implanted to precast tubular pile that the embodiment of the utility model provides a precast tubular pile implants complicated geology.
Fig. 3 is a mud pit schematic structure diagram of a construction device for implanting a precast tubular pile into complex geology that the embodiment of the utility model provides.
Fig. 4 is a schematic sectional view a-a according to fig. 3.
Fig. 5 is a settlement net structure diagram in the construction equipment of complicated geology is implanted to precast tubular pile that the embodiment of the utility model provides.
Fig. 6 is a steel casing structure schematic diagram in the construction equipment of complicated geology is implanted to precast tubular pile that the embodiment of the utility model provides.
The figures in the drawings are identified as:
1. a mud pit; 11. a diaphragm plate; 111. a slurry through hole; 12. a first mud pit; 13. a second mud pit; 131. concealed conduit; 14. slurry liquid;
2. a slurry pump; 21. a slurry pump pipe;
3. a steel casing; 31. a cylinder protecting hole;
4. a rotary drilling rig; 41. a drill stem; 42. a drill bit;
5. a steel sleeve;
6. pouring a pile hole;
7. concrete;
8. prefabricating a tubular pile;
9. hammering the pile machine;
10. a settling net; 101. a supporting strip;
a. a concrete surface; b. constructing a ground surface; c. boulders.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
As shown in fig. 1 and fig. 2, an embodiment of the utility model provides a construction equipment for implanting complicated geology of precast tubular pile, include:
the mud pit 1 is provided with a transverse partition plate 11 in the middle, the mud pit 1 is divided into a first mud pit 12 and a second mud pit 13, mud liquid 14 is loaded in the mud pit 1, the first mud pit 12 is used for containing filtered mud liquid 14, and the second mud pit 13 is used for containing mud liquid 14 with sediments displaced from a cast-in-place pile hole 6; the upper end of the diaphragm plate 11 is provided with a slurry through hole 111; the side wall of the second mud pit 13 is communicated with a concealed pipe 131; a mud pump 2 provided in the first mud pit 12; the steel casing 3 is buried in the soil, the upper part of the side wall of the steel casing is provided with a casing hole 31, and the casing hole 31 is communicated with the concealed pipe 131; the rotary drilling rig 4 is provided with a hollow drill rod 41, the bottom end of the drill rod 41 is connected with a drill bit 42, and the bottom end of the drill bit 42 is provided with an opening; the outer side wall of the drill rod 41 is communicated with the mud pump 2 through a mud pump pipe 21; and a steel sleeve 5 provided inside the top end of the steel casing 3.
As a further improvement, the drill 42 drills a hole in the steel casing 3 to obtain a cast-in-place pile hole 6, and concrete 7 is poured into the cast-in-place pile hole 6. The concrete 7 is poured into the bored concrete pile hole 6, and the height of the concrete 7 is 2/3 of the height of the bored concrete pile hole 7, as shown in fig. 2, the concrete surface a will rise with the implantation of the precast tubular pile 8.
As a further improvement, the prefabricated pipe pile further comprises a prefabricated pipe pile 8 penetrating through the steel sleeve 5, and the inner diameter of the steel sleeve 5 is 2-4 cm larger than the outer diameter of the prefabricated pipe pile 8. The steel sleeve 5 is used for supporting the precast tubular pile 8 and providing a supporting force for the side wall in the process of implanting the precast tubular pile 8 into the concrete 7 so as to ensure the perpendicularity of the precast tubular pile 8. The inner diameter of the steel sleeve 5 is 2-4 cm larger than the outer diameter of the precast tubular pile 8, so that the outer side wall of the precast tubular pile 8 is not damaged and is supported to a certain extent.
As a further improvement, a hammering machine 9 is further included, and the precast tubular pile 8 is hammered into the concrete 7 in the cast-in-place pile hole 6. And (3) implanting the precast tubular pile 8 into the concrete 7, so that the concrete 7 is wrapped on the periphery of the precast tubular pile 8 and stressed together with the precast tubular pile 8, and the bearing capacity of the precast tubular pile 8 is improved.
Specifically, when just placing precast tubular pile 8, under the dead weight effect, precast tubular pile 8 can freely sink, treats after static with 9 empty hammers hammering of hammering stake machine, waits to stabilize the back and the weight low-stroke, controls precast tubular pile 8 from this and in the stability and the straightness that hangs down of implantation process, avoids precast tubular pile 8 off-centre or slope, avoids simultaneously planting the in-process bored concrete pile hole 6 soil layer and collapses. In order to control the bearing capacity of the precast tubular pile 1, the bottom end of the precast tubular pile 8 needs to be driven into the bearing layer.
As a further improvement, the distance from the top end of the steel casing 3 to the construction ground surface b is 20-30 cm. The top end of the steel casing 3 should exceed the construction ground surface so as to prevent surface water, garbage and the like from falling into the construction ground surface to influence pile foundation construction.
As a further improvement, the length of the steel casing 3 is 300-400 cm, and the length of the steel sleeve 5 is 55-65 cm. The steel casing 3 is preferably 300cm, the steel casing is preferably 60cm, and the steel casing 3 and the steel casing 5 are too long, so that waste is caused, and the steel casing is not beneficial to construction.
As shown in fig. 3 and 5, as a further improvement, a sedimentation net 10 is arranged in the second mud pit 13, the middle of a mesh sheet in the sedimentation net 10 is low, and the side of the mesh sheet is high, and the aperture of the mesh sheet is 0.5-1.5 cm. Specifically, the middle of the mesh sheet of the settling net 10 is low, and the side edge of the mesh sheet is high, so that the sludge in the slurry liquid 14 can be remained on the mesh sheet. The aperture of the settling net 10 is preferably 1cm, so that the sediments can be conveniently remained in the settling net 10, when the settling net 10 is used, after the sediments in the second mud pit 13 are accumulated, the settling net 10 can be lifted out of the second mud pit 13, the sediments on the settling net 10 can be removed, and then the settling net 10 is placed in the second mud pit 13.
As a further improvement, the side edges of the settling net 10 are attached to the inner side wall of the second mud pit 13, and a plurality of supporting strips 101 are arranged at the edges of the settling net 10. The side edge of the sedimentation net 10 is attached to the inner side wall of the second mud pit 13, so that sediments can be remained on the net piece in the sedimentation net 10, and the sediments are prevented from falling into the bottom of the second mud pit 13.
As a further improvement, the aperture of the filter mesh in the slurry through hole 111 is 0.1-0.5 cm. Preferably the pore size is 0.3 cm. According to the requirement, the aperture of the filter mesh can be set within 0.1-0.5 cm. The sediment in the mud liquid 14 in the second mud pool 13 is filtered, so that the mud liquid 14 in the first mud pool 12 meets the working performance required by drilling, and the drilling construction quality of the drill bit 42 is improved.
As a further improvement, as shown in FIG. 4, the mud hole 111 is located within the height of the top end 1/3 of the bulkhead 11. The height of the diaphragm 11 is defined as h, and the slurry through hole 111 is provided within the range of h/3 of the upper end of the diaphragm 11. This arrangement is advantageous in keeping the slurry liquid 14 passing through the slurry through-holes 111 with less sediment, most of which has settled onto the settling net 5.
The working process of the embodiment is as follows:
the steel casing 3 is pressed into the soil at the pile position, and the distance that the top end of the steel casing 3 should exceed the surface b of the construction ground is 20-30 cm. And (4) drilling and soil taking are carried out by using the rotary drilling rig 4, and a drill bit of the rotary drilling rig 4 extends to drill in the steel casing 3. During drilling, the slurry 14 in the first slurry tank 12 is conveyed to a drill pipe 41 through a slurry pump pipe 21, wherein the drill pipe 41 is hollow and is connected to a drill bit 42, and the end of the drill bit is open; the slurry 14 flows through the drill pipe 41 to the drill bit 42, the drill bit 42 drills earth in the bored pile hole 6 by rotation, and the drilled earth and slag are mixed in the slurry 14. The drill 42 is lifted to drive the mud slurry 14 to flow into the concealed pipe 131 from the cylinder protecting hole 31 (the cylinder protecting hole 31 is shown in fig. 6) on the side wall of the steel casing 3, and then flow into the second mud pit 13 from the concealed pipe 131. The mud slurry 14 provides lubrication to the drill bit and carries the sediments in the hole out of the hole. And after the cast-in-place pile hole 6 with the designed depth is obtained, pouring concrete 7. The concrete 7 is poured from the guide pipe into the bored pile hole 6, extending to the bottom of the bored pile hole 6 using the guide pipe, until the height of the concrete 7 reaches 2/3 of the height of the bored pile hole 6. After the concrete 7 is poured, a steel sleeve 5 is nested inside the top end of the steel casing 3. And (3) implanting the precast tubular pile 8 into concrete by using a hammering pile driver 9, and after implanting the precast tubular pile 8, pulling out the steel pile casing 3 and the steel sleeve 5 to complete the implantation process of the precast tubular pile 8.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a construction equipment of complicated geology is implanted to precast tubular pile which characterized in that includes:
the mud pit (1) is provided with a transverse partition plate (11) in the middle, and the mud pit (1) is divided into a first mud pit (12) and a second mud pit (13); the upper end of the diaphragm plate (11) is provided with a slurry through hole (111), and a filter mesh is arranged in the slurry through hole (111); the side wall of the second mud pit (13) is communicated with a concealed pipe (131);
a mud pump (2) disposed in the first mud pit (12);
the steel casing (3) is buried in soil, a casing hole (31) is formed in the upper portion of the side wall of the steel casing, and the casing hole (31) is communicated with the concealed pipe (131);
the rotary drilling rig (4) is provided with a hollow drill rod (41), the bottom end of the drill rod (41) is connected with a drill bit (42), and the bottom end of the drill bit (42) is provided with an opening; the outer side wall of the drill rod (41) is communicated with the mud pump (2) through a mud pump pipe (21);
and the steel sleeve (5) is arranged inside the top end of the steel casing (3).
2. The construction device for embedding the precast tubular pile into the complex geology according to the claim 1, characterized in that the drill bit (42) drills a bored pile hole (6) after taking earth in the steel casing (3) and pours concrete (7) into the bored pile hole (6).
3. The construction device for implanting the precast tubular pile into the complex geology according to claim 2, further comprising a precast tubular pile (8) penetrated from the steel sleeve (5), wherein the inner diameter of the steel sleeve (5) is 2-4 cm larger than the outer diameter of the precast tubular pile (8).
4. A construction equipment for implanting precast tubular pile into complex geology according to claim 3, further comprising a hammering pile machine (9) for hammering said precast tubular pile (8) into said concrete (7) in said bored concrete pile hole (6).
5. The construction device for embedding the precast tubular pile into the complex geology according to claim 1, wherein the top end of the steel casing (3) should exceed the construction ground surface (b) by 20-30 cm.
6. The construction device for implanting the precast tubular pile into the complex geology according to claim 1, characterized in that the length of the steel casing (3) is 300-400 cm, and the length of the steel sleeve (5) is 55-65 cm.
7. The construction device for implanting the precast tubular pile into the complex geology according to claim 1, characterized in that a settlement net (10) is arranged in the second mud pit (13), the middle of a net piece in the settlement net (10) is low, the side of the net piece is high, and the aperture of the net piece is 0.5-1.5 cm.
8. The construction device for implanting the precast tubular pile into the complex geology according to claim 7, characterized in that the side edges of the settlement net (10) are attached to the inner side wall of the second mud pit (13), and a plurality of supporting bars (101) are arranged at the edges of the settlement net (10).
9. The construction device for implanting the precast tubular pile into the complex geology according to claim 1, characterized in that the aperture of the filtering mesh in the slurry through hole (111) is 0.1-0.5 cm.
10. The apparatus for constructing precast tubular piles to be implanted into complicated geology according to claim 1, wherein the mud hole (111) is located within the height range of the top end 1/3 of the diaphragm (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120357722.8U CN214614052U (en) | 2021-02-06 | 2021-02-06 | Construction device for implanting prefabricated pipe pile into complex geology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120357722.8U CN214614052U (en) | 2021-02-06 | 2021-02-06 | Construction device for implanting prefabricated pipe pile into complex geology |
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| CN214614052U true CN214614052U (en) | 2021-11-05 |
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| CN202120357722.8U Active CN214614052U (en) | 2021-02-06 | 2021-02-06 | Construction device for implanting prefabricated pipe pile into complex geology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117513326A (en) * | 2023-09-25 | 2024-02-06 | 广东省高速公路有限公司 | Construction structure and construction method for large-diameter prefabricated pipe pile under complex geology |
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2021
- 2021-02-06 CN CN202120357722.8U patent/CN214614052U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117513326A (en) * | 2023-09-25 | 2024-02-06 | 广东省高速公路有限公司 | Construction structure and construction method for large-diameter prefabricated pipe pile under complex geology |
| CN117513326B (en) * | 2023-09-25 | 2024-03-26 | 广东省高速公路有限公司 | Construction structure and construction method for large-diameter prefabricated pipe pile under complex geology |
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