CN114319330A - Occlusive pile, sleeve for occlusive pile plain pile and construction method of sleeve - Google Patents
Occlusive pile, sleeve for occlusive pile plain pile and construction method of sleeve Download PDFInfo
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- CN114319330A CN114319330A CN202210034197.5A CN202210034197A CN114319330A CN 114319330 A CN114319330 A CN 114319330A CN 202210034197 A CN202210034197 A CN 202210034197A CN 114319330 A CN114319330 A CN 114319330A
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Abstract
The invention relates to the technical field of pile hole concrete pouring, and discloses an occlusive pile, a sleeve for an occlusive pile element pile and a construction method of the sleeve, wherein the construction method is to prefabricate the element pile and measure and position the position of a pile hole; a drilling machine digs a hole at a preset position and simultaneously pours slurry into a pile hole; after hole digging is finished, hoisting a plurality of vegetable piles sleeved with sleeves into pile holes, wherein the vegetable piles are arranged at intervals, and gaps matched with the size of meat piles are formed between adjacent vegetable piles; and hoisting a steel reinforcement cage of the meat pile in the pile hole, and pouring the meat pile in the gap. The invention reduces the working procedure of cutting off the pile body of the plain pile, avoids the height complexity of underground engineering and the limitation of construction technology, reduces the construction amount of manpower, concrete materials and construction machinery, and reduces the construction cost.
Description
Technical Field
The invention relates to the technical field of pile hole concrete pouring, in particular to an occlusive pile, a sleeve for an occlusive pile plain pile and a construction method of the sleeve.
Background
At present, a bored secant pile is an integral continuous retaining and supporting structure with a good seepage-proofing effect, and holes are drilled, a reinforcement cage is hoisted and concrete is poured through a steel sleeve retaining wall. The adjacent single piles of the sleeve occlusive pile are mutually occluded to form a pile wall. During construction, a first plain pile is constructed, a second plain pile is constructed, concrete at the intersection part of the two plain piles and the meat pile is cut off, the meat pile is constructed to be meshed with the first plain pile and the second plain pile, and then construction is sequentially carried out according to the method.
Disclosure of Invention
The purpose of the invention is: the secant pile, the sleeve for the plain pile of the secant pile and the construction method of the sleeve are provided, so that the working procedure of cutting off a pile body of the plain pile is omitted, the height complexity of underground engineering and the limitation of construction technology are avoided, the construction amount of manpower, concrete materials and construction machinery is reduced, and the construction cost is reduced.
In order to achieve the above object, the present invention provides a bite pile comprising:
the pile body is cylindrical;
the occlusion part is arranged on the outer peripheral surface of the pile body and is parallel to the axial lead of the pile body, the occlusion part is a groove formed by sinking towards the inside of the pile body, the section of the groove in the horizontal direction is arc-shaped, and the groove extends from the top of the pile body to the bottom of the pile body;
the hoisting hole is arranged at the center of the pile body and is arranged along the axial lead of the pile body, and the hoisting hole is circular on the section in the horizontal direction.
Compared with the prior art, the occlusive pile has the beneficial effects that: the pile body of the occlusive pile is provided with an occlusive part and is occluded with the adjacent pile body through the occlusive part, so that the cutting part of the pile body is reduced, the construction amount of the pile body is reduced, and the construction efficiency of the pile body is improved; due to the arrangement of the hoisting holes, the secant pile can be formed by casting outside the pile hole in advance, and is hoisted in the pile hole through the hoisting device, so that the construction amount in the pile hole is reduced, the construction amount of manpower, concrete materials and construction machinery is reduced, and the construction cost is reduced.
The snap-in pile comprises a plurality of meat piles and vegetable piles, the size and the shape of each of the vegetable piles are the same as those of the meat piles, the vegetable piles are prefabricated in a factory, reinforcing steel bars are arranged inside the meat piles, the meat piles are cast in pile holes in a construction site, and the radians of the snap-in parts of the snap-in piles are the same as those of the outer peripheral surfaces of the meat piles and the vegetable piles.
According to the occlusive pile disclosed by the embodiment of the invention, the vegetable pile is made of super retarding concrete, and the meat pile is made of underwater concrete.
The invention also provides a sleeve for plain pile construction of an occlusive pile, which is used for supporting the plain pile of the embodiment and comprises:
the cylindrical barrel is arranged between the two meat pile holes, and the inner diameter of the barrel is the same as the outer diameter of the vegetable pile;
the joint part is arranged on the outer peripheral surface of the barrel and is parallel to the axial lead of the barrel, the joint part corresponds to the occlusion part and is arranged into an inwards concave groove, one side of the groove is attached to the vegetable pile, and the other side of the groove is attached to the meat pile.
Compared with the prior art, the sleeve for plain pile construction of the occlusive pile has the beneficial effects that: the vegetable pile with only one occlusion part is protected, so that the vegetable pile is isolated from concrete of a meat pile in the pouring process of the meat pile, the strength of the vegetable pile is ensured, the construction amount of manpower, concrete materials and construction machinery is reduced, and the construction cost is reduced.
The sleeve for plain pile construction of the occlusive pile is made of steel.
The invention also provides a construction method of the occlusive pile, which comprises the following steps:
prefabricating a plain pile, and measuring and positioning the position of a pile hole;
embedding a pile casing at the pile hole, completing the debugging of a drilling machine and positioning above the pile hole;
the drilling machine digs a hole at a preset position and simultaneously pours slurry into the pile hole;
after hole digging is finished, a plurality of vegetable piles, which are provided with sleeves according to claim 4 and are provided with sleeves according to claim 2, are hung in pile holes, the plurality of vegetable piles are arranged at intervals, and gaps matched with the size of the vegetable piles are formed between every two adjacent vegetable piles;
and hoisting a reinforcement cage of the meat pile in the pile hole, and pouring the meat pile in the gap.
Compared with the prior art, the construction method of the occlusive pile has the beneficial effects that: the manufacturing of the plain piles can be carried out simultaneously with the working procedures of hole digging and the like, so that the concrete pouring amount on a construction site is reduced, and the construction period is saved; the mode of combining the pre-hoisting of the plain piles and the pouring of the meat piles is adopted, so that the working procedure of cutting off pile bodies of the plain piles is omitted, the limitation of the height complexity and the construction process of underground engineering is avoided, the construction amount of manpower, concrete materials and construction machinery is reduced, and the construction cost is reduced.
The construction method of the occlusive pile comprises the following steps of:
the first plain pile is downwards inserted into the pile hole;
the second plain pile is inserted at the position which is three diameters away from the first plain pile;
and the third plain pile is inserted at the midpoint between the first plain pile and the second plain pile.
According to the construction method of the occlusive pile, the first plain pile and the second plain pile can be hoisted simultaneously.
According to the construction method of the secant pile, provided by the embodiment of the invention, a plurality of meat piles can be poured simultaneously.
According to the construction method of the occlusive pile, the pile hole is cleaned by using the reverse circulation device before the plain pile is hoisted.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic distribution diagram of meat piles and vegetable piles of a bite pile according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a bite pile of an embodiment of the present invention;
fig. 3 is a schematic structural view of a sleeve for plain pile construction of an occlusive pile according to an embodiment of the present invention, 1, a pile body; 2. an engaging portion; 3. hoisting holes; 4. a barrel body; 5. a bonding portion.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
The construction method of the occlusive pile in the preferred embodiment of the invention comprises the following steps:
s1: prefabricating a plain pile, and measuring and positioning the position of a pile hole;
s2: embedding a pile casing at the pile hole, completing the debugging of a drilling machine and positioning above the pile hole;
s3: a drilling machine digs a hole at a preset position and simultaneously pours slurry into a pile hole;
s4: after hole digging is finished, hoisting a plurality of vegetable piles sleeved with sleeves into pile holes, wherein the vegetable piles are arranged at intervals, and gaps matched with the size of meat piles are formed between adjacent vegetable piles;
s5: and hoisting a steel reinforcement cage of the meat pile in the pile hole, and pouring the meat pile in the gap.
In S1, the method for constructing the interlocking pile, in which the method for constructing the interlocking pile, the production of the plain pile does not conflict with the other steps, and the method can be performed simultaneously with the steps of digging a hole and the like, thereby reducing the concrete pouring amount on the construction site and saving the construction period; specifically, the plain pile is formed by casting in advance through a mold in a factory, or can be formed by cutting a cylindrical pile body cast in advance, and then is transported to a pile hole site for hoisting.
The construction method of the secant pile adopts a mode of combining the pre-hoisting of the vegetable pile and the pouring of the meat pile, so that the working procedure of cutting off the pile body of the vegetable pile is omitted, the height complexity of underground engineering and the limitation of construction technology are avoided, the construction amount of manpower, concrete materials and construction machinery is reduced, and the construction cost is reduced.
As shown in fig. 1, in some embodiments of the present invention, in S4, when the plain pile is hoisted, referring to fig. 1, the method includes the following steps:
s41: the first plain pile B1 is downwards inserted into the pile hole;
s42: the second plain pile B3 is inserted into the position three pile bodies away from the first plain pile;
s43: the third plain pile B2 is inserted at the midpoint between the first plain pile and the second plain pile.
The hoisting sequence of the plain piles circulates according to the above steps, and the method can be applied to hoisting more plain piles.
The vegetable pile B1 and the vegetable pile B3 are hoisted firstly, so that the pile holes of meat piles in adjacent vegetable piles can be prevented from being extruded when the vegetable piles are hoisted in sequence, and the shape stability of the pile holes of the meat piles is guaranteed.
As shown in fig. 1, in some embodiments of the present invention, the first and second vegetable piles of S41 and S42 may be hoisted simultaneously, and vegetable piles farther apart may be hoisted simultaneously, so that pile holes of meat piles are not greatly affected, thereby reducing hoisting time and improving hoisting efficiency.
As shown in fig. 1, in some embodiments of the present invention, multiple meat piles, such as a1 and a2, may be cast simultaneously, which reduces casting time and improves casting efficiency.
As shown in fig. 1, in some embodiments of the present invention, S4 and S5 may be performed alternately, concrete is cast for the pile at a1 after hoisting the plain piles at B1 and B2, the next plain pile is hoisted at B3 while casting, and concrete is cast for a2 after hoisting the B3, so that the concrete is circulated afterwards, in this way, the steps of S4 hoisting and S5 casting are performed simultaneously, and the construction efficiency can be improved in the case of fewer hoisting devices and casting devices.
In some embodiments of the present invention, the slurry has a wall guard, slag removal, cooling tool, and soil cutting lubrication during the hole forming process in S3. The preparation of the slurry is a key measure for ensuring the quality of the formed hole. The mud poured into the pile hole can be recycled, the mud can be purified by centrifugation or sedimentation after use, and carboxymethyl cellulose (CMC) and caustic soda (Na2CO3) with the volume coefficient of about 0.10-0.15% can also be added into the mud for adjustment.
In some embodiments of the invention, the pile hole needs to be cleaned before the plain pile is hoisted by S4, and the purpose of cleaning the hole is to eliminate drilling slag and sediment. The principle of gas lift reverse circulation slag removal is that compressed air generated by an air compressor is sprayed out from a mixer arranged at the lower part of an air pipe, mixed with slurry in a guide pipe and filled with bubbles, the density of the slurry above the mixer in the guide pipe is smaller than that of the slurry outside the guide pipe, so that an internal and external pressure difference of the guide pipe is formed, the slurry on the upper part of the mixer upwelles along the guide pipe under the action of the pressure difference and the compressed air, sediment at the bottom of a carrying hole flows upwards, the formed mixed slurry of liquid and gas in the hole is pumped to the ground through the guide pipe and then is subjected to liquid-gas separation, and the slurry flows into a settling tank for purification and then flows back into a return hole. The hole cleaning is carried out on the pile hole by using the reverse circulation device, the process is simple, the slag cleaning speed is high, the slag cleaning is thorough, and the depth of influence is deep.
As shown in fig. 2, a bite pile according to a preferred embodiment of the present invention includes a pile body 1, the pile body 1 is formed by casting concrete, and the pile body 1 is configured in a long bar shape and a cylinder shape;
as shown in fig. 2, the pile body 1 is provided with only one engaging part 2, the engaging part 2 is arranged on the outer peripheral surface of the pile body 1 and is parallel to the axial lead of the pile body 1, and the engaging part 2 faces to another pile body 1 with the same size when engaged; the engaging part 2 is a groove formed by sinking towards the inside of the pile body 1, and it can be understood that the groove can be formed by directly pouring a mold, and can also be formed by cutting the pile body 1, and is not particularly limited herein; the section of the groove in the horizontal direction is arc-shaped and is the same as the circle center of the pile body 1 meshed with the groove, and the groove extends from the top of the pile body 1 to the bottom of the pile body 1, so that the groove is completely meshed with the adjacent pile body 1 and is tightly combined with the adjacent pile body 1; the arrangement reduces the construction amount of the pile body 1 in the pile hole and improves the construction efficiency of the pile body 1.
Still be provided with the hole for hoist 3 convenient to hoist on the pile body 1, the central point that the hole for hoist 3 was seted up in pile body 1 puts and sets up along the axial lead of pile body 1, and hole for hoist 3 is circular on the cross-section of horizontal direction, hoists it in the pile hole through hoist device, has reduced the construction volume in the pile hole, has reduced manual work, concrete material and construction machinery's construction volume, has reduced construction cost.
In some embodiments of the invention, the snap-in piles comprise a plurality of meat-meat piles and vegetable piles, the meat-meat piles and the vegetable piles are arranged in a straight line in the horizontal direction in the pile holes, the meat-meat piles and the vegetable piles are arranged in the pile holes in a crossed manner, and the vegetable piles and the meat-meat piles are identical in size and shape, are tightly combined and are firmly fixed. The vegetable pile is prefabricated in a factory, the meat pile is a reinforced concrete pile, reinforcing steel bars are arranged inside the meat pile, the reinforcing steel bars are generally formed by a reinforcing cage hoisted into a pile hole of the meat pile, and the meat pile is formed by pouring the meat pile into the pile hole, in which the reinforcing cage is preset, of a construction site. The meat-type piles and the vegetable-type piles are arranged in the same direction, and the radians of the peripheral surfaces of the engaging parts 2 and the peripheral surfaces of the meat-type piles and the vegetable-type piles are the same, so that the meat-type piles and the vegetable-type piles which are poured are tightly combined and firmly fixed.
In some embodiments of the invention, the vegetable pile is made of super-retarding concrete, and the meat pile is made of underwater concrete.
As shown in fig. 3, the preferred embodiment of the present invention further includes a sleeve for plain pile construction of an occlusive pile, which is used for supporting the plain pile of the above embodiment, the sleeve includes a cylindrical barrel 4 disposed between two plain pile holes, and the inner diameter of the barrel 4 is the same as the outer diameter of the plain pile; the barrel 4 is provided with a joint part 5, the joint part 5 is arranged on the outer peripheral surface of the barrel 4 and is parallel to the axial line of the barrel 4, and when the occlusive pile is formed, the joint part is positioned at the junction of a vegetable pile and a meat pile. The special position is that the vegetable pile occlusion part 2 faces one side of the meat pile.
As shown in fig. 3, the joint part 5 is provided as an inwardly recessed groove corresponding to the engaging part 2 at the joint part 5, and one side of the groove is attached to a vegetable pile and the other side is attached to a meat pile. The pile casing protects the vegetable pile with only one occlusion part 2, so that the vegetable pile is isolated from concrete of a meat pile in the pouring process of the meat pile, the strength of the vegetable pile is guaranteed, the construction amount of manpower, concrete materials and construction machinery is reduced, and the construction cost is reduced.
In some embodiments of the present invention, the sleeve is made of steel, and has sufficient strength and durability.
The working process of the invention is as follows: prefabricating a plain pile, and measuring and positioning the position of a pile hole; a drilling machine digs a hole at a preset position and simultaneously pours slurry into a pile hole; after hole digging is finished, hoisting a plurality of vegetable piles sleeved with sleeves into pile holes, wherein the vegetable piles are arranged at intervals, and gaps matched with the size of meat piles are formed between adjacent vegetable piles; and hoisting a steel reinforcement cage of the meat pile in the pile hole, and pouring the meat pile in the gap.
To sum up, the embodiment of the invention provides an occlusive pile, a sleeve for an elemental occlusive pile and a construction method of the sleeve, wherein the elemental pile of the occlusive pile can be formed by casting outside a pile hole in advance, and then is hoisted in the pile hole through a hoisting device, so that the construction amount in the pile hole is reduced, the construction amount of manpower, concrete materials and construction machinery is reduced, and the construction cost is reduced.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A bite pile, comprising:
the pile body is cylindrical;
the occlusion part is arranged on the outer peripheral surface of the pile body and is parallel to the axial lead of the pile body, the occlusion part is a groove formed by sinking towards the inside of the pile body, the section of the groove in the horizontal direction is arc-shaped, and the groove extends from the top of the pile body to the bottom of the pile body;
the hoisting hole is arranged at the center of the pile body and is arranged along the axial lead of the pile body, and the hoisting hole is circular on the section in the horizontal direction.
2. A bite pile as defined in claim 1, wherein: the pile comprises a plurality of meat piles and vegetable piles, the size and the shape of the vegetable piles are the same as those of the meat piles, the vegetable piles are prefabricated in a factory, reinforcing steel bars are arranged inside the meat piles, the meat piles are poured in pile holes in a construction site, and the radian of the outer peripheral surfaces of the meshed parts of the meat piles and the vegetable piles is the same as that of the outer peripheral surfaces of the meat piles and the vegetable piles.
3. A bite pile as defined in claim 2, wherein: the vegetable pile is made of ultra-retarding concrete, and the meat pile is made of underwater concrete.
4. A sleeve for use in the construction of a plain pile of a bite pile, for use in the support of the plain pile of claim 3, comprising:
the cylindrical barrel is arranged between the two meat pile holes, and the inner diameter of the barrel is the same as the outer diameter of the vegetable pile;
the joint part is arranged on the outer peripheral surface of the barrel and is parallel to the axial lead of the barrel, the joint part corresponds to the occlusion part and is arranged into an inwards concave groove, one side of the groove is attached to the vegetable pile, and the other side of the groove is attached to the meat pile.
5. A sleeve for use in plain pile construction of a bite pile according to claim 4, wherein: the sleeve is made of steel.
6. A construction method of an occlusive pile is characterized by comprising the following steps:
prefabricating a plain pile, and measuring and positioning the position of a pile hole;
embedding a pile casing at the pile hole, completing the debugging of a drilling machine and positioning above the pile hole;
the drilling machine digs a hole at a preset position and simultaneously pours slurry into the pile hole;
after hole digging is finished, a plurality of vegetable piles, which are provided with sleeves according to claim 4 and are provided with sleeves according to claim 2, are hung in pile holes, the plurality of vegetable piles are arranged at intervals, and gaps matched with the size of the vegetable piles are formed between every two adjacent vegetable piles;
and hoisting a reinforcement cage of the meat pile in the pile hole, and pouring the meat pile in the gap.
7. A method of constructing a bite pile according to claim 6, wherein the plain pile, when hoisted, comprises the steps of:
the first plain pile is downwards inserted into the pile hole;
the second plain pile is inserted at the position which is three pile bodies away from the first plain pile in diameter;
and the third plain pile is inserted at the midpoint between the first plain pile and the second plain pile.
8. A method of constructing a bite pile as recited in claim 7, wherein said first and second elemental piles are hoisted simultaneously.
9. The method for constructing a bite pile according to claim 6, wherein a plurality of meat piles can be cast simultaneously.
10. A method of constructing a bite pile according to claim 6 wherein the pile hole is cleared using a reverse circulation device prior to lifting of the plain pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210034197.5A CN114319330A (en) | 2022-01-12 | 2022-01-12 | Occlusive pile, sleeve for occlusive pile plain pile and construction method of sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210034197.5A CN114319330A (en) | 2022-01-12 | 2022-01-12 | Occlusive pile, sleeve for occlusive pile plain pile and construction method of sleeve |
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| CN114319330A true CN114319330A (en) | 2022-04-12 |
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| CN202210034197.5A Pending CN114319330A (en) | 2022-01-12 | 2022-01-12 | Occlusive pile, sleeve for occlusive pile plain pile and construction method of sleeve |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863120A (en) * | 2015-05-13 | 2015-08-26 | 中国建筑第八工程局有限公司 | Occlusive pile construction method and prefabricated occlusive piles used for method |
| CN111021338A (en) * | 2019-12-30 | 2020-04-17 | 深圳市市政设计研究院有限公司 | Occlusive pile and construction method thereof |
| CN111719565A (en) * | 2020-07-06 | 2020-09-29 | 深圳市君宁建筑有限公司 | Deep foundation pit support structure and construction method thereof |
| AU2020103672A4 (en) * | 2020-11-25 | 2021-02-04 | Beijing Building Materials Engineering Co. Ltd | Construction method of rotary drilling hole-forming and jet mixing cement-soil occlusion curtain piles |
| CN113668557A (en) * | 2021-08-18 | 2021-11-19 | 中铁第四勘察设计院集团有限公司 | Steel sleeve for plain pile construction of secant pile, secant pile and secant pile construction method |
-
2022
- 2022-01-12 CN CN202210034197.5A patent/CN114319330A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863120A (en) * | 2015-05-13 | 2015-08-26 | 中国建筑第八工程局有限公司 | Occlusive pile construction method and prefabricated occlusive piles used for method |
| CN111021338A (en) * | 2019-12-30 | 2020-04-17 | 深圳市市政设计研究院有限公司 | Occlusive pile and construction method thereof |
| CN111719565A (en) * | 2020-07-06 | 2020-09-29 | 深圳市君宁建筑有限公司 | Deep foundation pit support structure and construction method thereof |
| AU2020103672A4 (en) * | 2020-11-25 | 2021-02-04 | Beijing Building Materials Engineering Co. Ltd | Construction method of rotary drilling hole-forming and jet mixing cement-soil occlusion curtain piles |
| CN113668557A (en) * | 2021-08-18 | 2021-11-19 | 中铁第四勘察设计院集团有限公司 | Steel sleeve for plain pile construction of secant pile, secant pile and secant pile construction method |
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