CN215518789U - Combined section reinforced concrete slide-resistant pile - Google Patents
Combined section reinforced concrete slide-resistant pile Download PDFInfo
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- CN215518789U CN215518789U CN202121357604.3U CN202121357604U CN215518789U CN 215518789 U CN215518789 U CN 215518789U CN 202121357604 U CN202121357604 U CN 202121357604U CN 215518789 U CN215518789 U CN 215518789U
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Abstract
The utility model relates to a combined cross-section reinforced concrete slide-resistant pile, which comprises a combined cross-section slide-resistant pile and a concrete guard ring, wherein the concrete guard ring is positioned on the ground above a combined cross-section pile hole, the combined cross-section slide-resistant pile is positioned in the combined cross-section pile hole, and the combined cross-section pile hole penetrates through a landslide body and a weak sliding surface to reach a stable stratum. The combined section pile hole is formed by combining and excavating square hole drill bits for multiple times, the square hole drill bits are used for rotary drilling and drilling, the square hole drill bits are installed on the driving drill rods and rotate eccentrically around the driving drill rods, the pile holes excavated by the square hole drill bits are square pile holes, and the combined section pile holes are formed by combining a plurality of square pile holes. The utility model constructs the slide-resistant pile with the rectangular section by a combined excavation mode, can realize excavation operation of the slide-resistant pile holes with different section sizes, and has better applicability; compared with square or round anti-slide piles, the anti-slide pile has better bending rigidity and can reduce the number of anti-slide piles.
Description
Technical Field
The utility model relates to landslide control construction, in particular to combined section reinforced concrete slide-resistant pile construction.
Background
The anti-slide pile is widely applied to projects such as slope retaining, landslide control and the like, and is different from a pile foundation which generally bears vertical load, and the anti-slide pile mainly bears horizontal load, so that the anti-slide pile is required to have better bending rigidity. Under the condition that the cross section size is the same, the bending rigidity of the rectangular cross section is larger than that of the square cross section and larger than that of the circular cross section, so that the rectangular cross section is generally adopted by the slide-resistant pile. However, since the conventional mechanical hole-excavating equipment has a mainly circular cross section, excavation of a rectangular pile hole is generally performed by manual work during the construction of a slide-resistant pile, which has problems of low excavation efficiency, high operational risk, and the like.
The patent application number 201711118631.3 discloses a construction method for quickly forming a hole and pouring concrete by using a rotary drilling rig of an anti-slide pile, and provides a method for quickly forming a hole by using mechanical equipment. The method needs a plurality of devices to be matched with each other, and in addition, the soil body scraped from the hole wall needs to be cleaned repeatedly, so that the construction efficiency is low.
Patent 'slide-resistant pile square hole forming equipment' (application number: 202021692933.9) proposes a square hole forming equipment, which adopts a Lelo triangle type drill to dig a square hole on a soil body, but the equipment can only carry out the construction of square hole forming and can not meet the construction of a rectangular section slide-resistant pile hole.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a combined section reinforced concrete slide-resistant pile aiming at the problems in the construction process of the existing slide-resistant pile. In order to achieve the purpose, the technical scheme of the utility model is as follows:
the utility model relates to a combined cross-section reinforced concrete slide-resistant pile which comprises a combined cross-section slide-resistant pile and a concrete retainer, wherein the concrete retainer is positioned on the ground above a combined cross-section pile hole, the combined cross-section slide-resistant pile is positioned in the combined cross-section pile hole, the combined cross-section pile hole is formed by multiple combined excavation of a square hole drill bit, the square hole drill bit is rotary drilling, and the square hole drill bit is installed on a driving drill rod.
Preferably, the combined cross-section slide-resistant pile is formed by integrally casting a steel reinforcement cage and concrete; after the excavation of the pile hole with the combined section is finished, the steel reinforcement cage is integrally hoisted into the pile hole with the combined section, then the pouring operation of concrete is carried out, the concrete is poured and formed at one time, the construction joints are reduced, and the integral strength of the slide-resistant pile with the combined section is improved.
Preferably, the combined section pile hole penetrates through the sliding mass and the weak sliding surface to the stable stratum, and the combined section slide-resistant pile penetrates through the bottom of the weak sliding surface to be inserted into the stable stratum to prevent the sliding mass from sliding.
Preferably, the front end of the driving drill rod is provided with a front guide rod and a front drill bit, the front guide rod and the front drill bit penetrate out of the square hole drill bit, the front guide rod and the front drill bit rotate coaxially with the driving drill rod, the square hole drill bit rotates eccentrically around the driving drill rod, a pile hole dug by the square hole drill bit is a square pile hole, and the square pile hole is drilled into the soil in advance through the front guide rod and the front drill bit, so that the driving drill rod is prevented from shaking when the square hole drill bit rotates eccentrically around the driving drill rod, the stability in the drilling process is improved, and the hole forming quality of the square pile hole is improved; the pile hole with the combined cross section is formed by combining a plurality of square pile holes; according to the sectional dimension of the combined cross-section slide-resistant pile and the sectional dimension of the square pile hole dug by the square hole drill bit, a reasonable excavation combination form is designed, and the sectional dimension of the dug combined cross-section pile hole is equal to that of the combined cross-section slide-resistant pile.
Preferably, the drilling slag dug by the square hole drill bit is stored in the square hole drill bit and is lifted out of the square pile hole by the square hole drill bit; and cleaning the drilling slag in the square hole drill bit on the ground, and then performing drilling operation.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
1. the utility model constructs the anti-slide pile with the rectangular section by a combined excavation mode, has better bending rigidity compared with the square or round anti-slide pile, can reduce the arrangement quantity of the anti-slide pile, and can obtain better supporting effect.
2. The utility model adopts a combined excavation mode, can realize excavation operation of the anti-slide pile holes with different section sizes, and has better applicability.
3. Through square hole drill bit combination excavation, compare in artifical excavation, not only can improve the efficiency of construction, can effectively promote operation personnel's security simultaneously.
Drawings
FIG. 1 is a schematic view of a combined section reinforced concrete slide-resistant pile structure
FIG. 2 is a half sectional view (one) of a three-dimensional structure of combined excavation of a combined section pile hole;
FIG. 3 is a half sectional view (II) of a three-dimensional structure of combined excavation of a combined section pile hole;
FIG. 4 is a half sectional view (III) of a three-dimensional structure of combined excavation of a combined section pile hole;
FIG. 5 is a top view of a combined section pile hole combination excavation (FIG. 4 top view);
FIG. 6 is a half sectional view (IV) of a three-dimensional structure completed by combined excavation of a combined section pile hole;
fig. 7 is a half-sectional view of a three-dimensional structure cast by a reinforced concrete slide-resistant pile with a combined section.
The figure is marked with: 11-square hole drill bit, 12-driving drill rod, 13-preposed guide rod, 14-preposed drill bit, 15-drilling slag, 21-square pile hole, 22-combined section pile hole, 3-combined section slide-resistant pile, 31-concrete retainer, 32-reinforcement cage, 33-concrete, 41-landslide body, 42-weak sliding surface and 43-stable stratum.
Detailed Description
For a better understanding of the present invention, the following embodiments will be described in detail with reference to fig. 1 to 7, and the following embodiments are implemented on the premise of the technical solution of the present invention, and the detailed embodiments are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1 and 7, the combined cross-section reinforced concrete slide-resistant pile according to the present invention includes a combined cross-section slide-resistant pile 3 and a concrete guard ring 31, wherein the concrete guard ring 31 is located on the ground above a combined cross-section pile hole 22, the combined cross-section slide-resistant pile 3 is located in the combined cross-section pile hole 22, the combined cross-section pile hole 22 is formed by multiple combined excavation of a square hole drill bit 11, and the square hole drill bit 11 is rotary-drilled.
As shown in fig. 7, the combined cross-section slide-resistant pile 3 is integrally cast and formed by a reinforcement cage 32 and concrete 33; after the excavation of the combined cross-section pile hole 22 is completed, the reinforcement cage 32 is integrally hoisted into the combined cross-section pile hole 22, then the pouring operation of the concrete 33 is carried out, the concrete 33 is formed in a one-step pouring mode, construction joints are reduced, and the overall strength of the combined cross-section slide-resistant pile 3 is improved. The combined section pile hole 22 penetrates through the slip mass 41 and the weak sliding surface 42 to the stable stratum 43, and the combined section slide-resistant pile 3 penetrates through the bottom of the weak sliding surface 42 and is inserted into the stable stratum 43 to prevent the slip mass 41 from sliding.
As shown in fig. 2 to 6, a front guide rod 13 and a front drill bit 14 are arranged at the front end of the driving drill rod 12, the front guide rod 13 and the front drill bit 14 penetrate out of the square hole drill bit 11, the front guide rod 13 and the front drill bit 14 rotate coaxially with the driving drill rod 12, the square hole drill bit 11 rotates eccentrically around the driving drill rod 12, a pile hole dug by the square hole drill bit 11 is a square pile hole 21, and the square hole drill bit 11 drills into the soil in advance through the front guide rod 13 and the front drill bit 14, so that the driving drill rod 12 is prevented from shaking when the square hole drill bit 11 rotates eccentrically around the driving drill rod 12, the stability in the drilling process is improved, and the hole forming quality of the square pile hole 21 is improved; the pile hole 22 with the combined cross section is formed by combining a plurality of square pile holes 21; according to the sectional dimension of the combined cross-section slide-resistant pile 3 and the sectional dimension of the square pile hole 21 dug by the square hole drill bit 11, a reasonable excavation combination form is designed, and the sectional dimension of the dug combined cross-section pile hole 22 is ensured to be equal to that of the combined cross-section slide-resistant pile 3. The drilling slag 15 dug by the square hole drilling bit 11 in a rotating mode is stored in the square hole drilling bit 11 and is lifted out of the square pile hole 21 by the square hole drilling bit 11; and cleaning the drilling slag 15 in the square hole drill bit 11 on the ground, and then performing drilling operation.
The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (5)
1. The combined section reinforced concrete slide-resistant pile is characterized by comprising a combined section slide-resistant pile (3) and a concrete retainer (31), wherein the concrete retainer (31) is positioned on the ground above a combined section pile hole (22), the combined section slide-resistant pile (3) is positioned in the combined section pile hole (22), the combined section pile hole (22) is formed by multiple combined excavation of a square hole drill bit (11), the square hole drill bit (11) drills for rotary drilling, and the square hole drill bit (11) is installed on a driving drill rod (12).
2. A composite section reinforced concrete slide-resistant pile according to claim 1, characterized in that the composite section slide-resistant pile (3) is integrally cast by a reinforcement cage (32) and concrete (33).
3. A composite section reinforced concrete slide-resistant pile as claimed in claim 1, characterised in that said composite section pile hole (22) passes through the slip mass (41), the weak slip surface (42) into the stable ground formation (43).
4. The combined-section reinforced concrete slide-resistant pile according to claim 1, wherein the front end of the driving drill rod (12) is provided with a front guide rod (13) and a front drill bit (14), the front guide rod (13) and the front drill bit (14) penetrate out of the square hole drill bit (11), the front guide rod (13) and the front drill bit (14) rotate coaxially with the driving drill rod (12), the square hole drill bit (11) rotates eccentrically around the driving drill rod (12), and pile holes dug by the square hole drill bit (11) are square pile holes (21); the combined section pile hole (22) is formed by combining a plurality of square pile holes (21).
5. A combined section reinforced concrete slide pile according to claim 1, characterised in that the drilling slag (15) dug by the square hole drill bit (11) is stored in the square hole drill bit (11) and is lifted out of the square pile hole (21) by the square hole drill bit (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121357604.3U CN215518789U (en) | 2021-06-18 | 2021-06-18 | Combined section reinforced concrete slide-resistant pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121357604.3U CN215518789U (en) | 2021-06-18 | 2021-06-18 | Combined section reinforced concrete slide-resistant pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215518789U true CN215518789U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121357604.3U Active CN215518789U (en) | 2021-06-18 | 2021-06-18 | Combined section reinforced concrete slide-resistant pile |
Country Status (1)
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| CN (1) | CN215518789U (en) |
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2021
- 2021-06-18 CN CN202121357604.3U patent/CN215518789U/en active Active
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