CN114197452A - Post-grouting prestressed hollow square pile and manufacturing method thereof - Google Patents
Post-grouting prestressed hollow square pile and manufacturing method thereof Download PDFInfo
- Publication number
- CN114197452A CN114197452A CN202111556312.7A CN202111556312A CN114197452A CN 114197452 A CN114197452 A CN 114197452A CN 202111556312 A CN202111556312 A CN 202111556312A CN 114197452 A CN114197452 A CN 114197452A
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- groove
- hollow square
- post
- square pile
- pile body
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 25
- 239000004567 concrete Substances 0.000 claims description 23
- 238000009415 formwork Methods 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 13
- 239000002023 wood Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 description 10
- 230000037431 insertion Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000003351 stiffener Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 241000826860 Trapezium Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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Classifications
-
- 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
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/30—Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/022—Means for inserting reinforcing members into the mould or for supporting them in the mould
- B28B23/024—Supporting means
-
- 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
- E02D5/22—Piles
- E02D5/58—Prestressed concrete piles
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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)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention provides a post-grouting prestressed hollow square pile and a manufacturing method thereof, which relate to the technical field of buildings and comprise the following steps: the pile body is of a rectangular structure; a hollow groove is formed in the middle of the top of the pile body, and the hollow groove is of a circular structure; main body steel bars are arranged inside the pile body; an auxiliary pouring groove is formed in the outer side of the top of the pile body, and the auxiliary pouring groove is of a rectangular structure; the middle position of the bottom end of the auxiliary pouring groove is provided with a reinforcing rod. The steel bar splicing and fixing device has the advantages that the inserted steel bars are fixed by the limiting blocks which are clamped into the limiting grooves under the action of the springs, and then the fixing work of the inserted steel bars is automatically completed.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a post-grouting prestressed hollow square pile and a manufacturing method thereof.
Background
The existing market uses a plurality of sinking pipe cast-in-place piles, concrete precast piles, cast-in-place piles, prestressed concrete pipe piles and the like, and the prestressed concrete pipe column comprises a post-grouting prestressed hollow square pile.
However, when the conventional hollow square pile is used, the reinforcing steel bars are usually added into the hollow square pile for reinforcing the compressive strength of the hollow square pile during manufacturing, so that reinforcement is fixed, the binding and fixing speed is low, and the manufacturing and production efficiency of the hollow square pile is indirectly caused.
Disclosure of Invention
In view of the above, the invention provides a post-grouting prestressed hollow square pile and a manufacturing method thereof, which have an automatic splicing structure, and splicing steel bars are automatically limited and fixed through the automatic splicing structure, so that the strength of the hollow square pile after production is ensured, and the efficiency of producing the hollow square pile is also ensured.
The invention provides a post-grouting prestressed hollow square pile and a manufacturing method thereof, and the post-grouting prestressed hollow square pile specifically comprises the following steps: the pile body is of a rectangular structure; a hollow groove is formed in the middle of the top of the pile body, and the hollow groove is of a circular structure; main body steel bars are arranged inside the pile body; an auxiliary pouring groove is formed in the outer side of the top of the pile body, and the auxiliary pouring groove is of a rectangular structure; the middle position of the bottom end of the auxiliary pouring groove is provided with a reinforcing rod.
Optionally, insertion grooves are formed in two sides of the interior of the auxiliary pouring groove, and the insertion grooves are of rectangular structures; a fixing piece is arranged in the middle of the inside of the inserting groove and is of an I-shaped structure; the two sides of the fixing piece are provided with load grooves which are rectangular; a limiting block is slidably arranged in the loading groove and is of a trapezoidal structure; and a spring is arranged between the inner end of the limiting block and the inner end of the loading groove.
Optionally, a sliding cylinder is slidably mounted on the reinforcing rod, and the sliding cylinder is of a rectangular rod-shaped structure; cover plates are arranged on two sides of the sliding cylinder and are of rectangular structures; the two sides of the sliding cylinder are also rotatably provided with connecting rods; a pressing plate is arranged at a position, which is lower than the outer side of the sliding cylinder, and the pressing plate is of a rectangular structure; the bottom of the sliding cylinder is provided with a bottom plate, and the bottom plate is of a rectangular structure; a supporting plate is arranged on the lower deflection section of the reinforcing rod, and a spring is arranged between the top of the supporting plate and the bottom of the bottom plate; side rods are arranged at the bottoms of the two sides of the reinforcing rod, and the side rods are of L-shaped structures; the rod end of the side rod is provided with a connecting carrier block which is of a rectangular structure; the connecting carrier block is provided with an inserting steel bar in a sliding inserting way, and the inner end of the inserting steel bar is rotatably connected with the other end of the connecting rod; the outer end of the inner side of the splicing steel bar is provided with a limiting groove; the top of the supporting plate is provided with a first through groove which is of a rectangular structure; and a second through groove is formed in the top of the pressing plate and is of a rectangular structure.
Optionally, the method comprises the following steps:
1. paying out a building formwork, and then inserting six main steel bars into the building formwork according to specific positions;
2. selecting four wood boards with the same shape and volume as the auxiliary pouring groove, and inserting the four wood boards into the building formwork;
3. then pouring concrete into the building formwork, and pouring the general shape of the pile body to produce the concrete;
4. after the concrete is formed, the building formwork is disassembled, and the wood board is taken out of the pile body to form the shape of the auxiliary pouring groove;
5. producing a fixing piece and accessory parts thereof, and a reinforcing rod and accessory parts thereof;
6. arranging splicing grooves on two sides of the auxiliary pouring groove, and installing a fixing piece and accessory parts thereof in the auxiliary pouring groove;
7. installing the reinforcing rod and the accessory parts thereof in the middle of the interior of the auxiliary pouring groove;
8. and pouring concrete into the auxiliary pouring groove.
Advantageous effects
According to the hollow square pile of each embodiment of the invention, compared with the traditional hollow square pile, one end of the connecting rod is driven to descend by the sliding barrel, the other end of the connecting rod pushes the splicing steel bar outwards, the splicing steel bar is spliced and enters the inside of the splicing groove, so that the splicing connection work of the splicing steel bar is completed, the pressure resistance of the hollow square pile is enhanced by the splicing steel bar, and the quality of the hollow square pile is better.
In addition, when the outer end of grafting billet is inserted and is closed and enter into the inside of inserting groove, the grafting billet can be preferred to push away the stopper, and the stopper then can utilize the trapezium structure of self to contract the inside of carrying the groove temporarily, when the position of spacing groove with carry the groove corresponding, the stopper then under the effect of spring the block enter into the inside of spacing groove to fix the grafting billet, the automatic fixed work of accomplishing the grafting billet, compare in artifical manual ligature fixed reinforcing bar labour saving and time saving more.
In addition, through the inside concreting to supplementary pouring groove, make the concrete drop the inside of clamp plate, thereby make its one end that drives slide cartridge and connecting rod descend, make its indirect inside that closes entering into the spacing groove with inserting the grafting billet, fix inserting the grafting billet, thereby make this hollow square pile's pouring work and reinforcing bar lay work can link and go on in step, make the reinforcing bar lay work need not to accomplish alone, time and the manpower that expend when laying alone the reinforcing bar have been saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.
In the drawings:
FIG. 1 shows an overall structural schematic according to an embodiment of the invention;
FIG. 2 shows a schematic diagram of a half-section of a pile body according to an embodiment of the invention;
FIG. 3 shows an enlarged partial structural view of A of FIG. 2 according to an embodiment of the invention;
fig. 4 shows an enlarged partial structural view of B in fig. 2 according to an embodiment of the invention;
FIG. 5 shows a schematic illustration of a stiffener and slide barrel configuration according to an embodiment of the present invention;
FIG. 6 shows a schematic view of a half-section of a fastener according to an embodiment of the invention;
FIG. 7 shows a schematic structural view of a stiffener and platen according to an embodiment of the present invention;
fig. 8 shows an enlarged partial structural diagram of C in fig. 7 according to an embodiment of the present invention.
List of reference numerals
1. A pile body;
2. a hollow groove;
3. main body steel bars;
4. auxiliary pouring grooves; 401. inserting grooves; 402. a fixing member; 403. a carrying groove; 404. a limiting block;
5. a reinforcing bar; 501. a slide cylinder; 502. a cover plate; 503. a connecting rod; 504. pressing a plate; 505. a base plate; 506. a support plate; 507. a side lever; 508. connecting a carrier block; 509. inserting steel bars; 5010. a limiting groove; 5011. a first through groove; 5012. and a second through groove.
Detailed Description
In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.
Example (b): please refer to fig. 1 to 8:
the invention provides a post-grouting prestressed hollow square pile and a manufacturing method thereof, wherein the post-grouting prestressed hollow square pile comprises the following steps: the pile body 1 is of a rectangular structure; a hollow groove 2 is formed in the middle of the top of the pile body 1, and the hollow groove 2 is of a circular structure; a main steel bar 3 is arranged inside the pile body 1; an auxiliary pouring groove 4 is formed in the outer side of the top of the pile body 1, and the auxiliary pouring groove 4 is of a rectangular structure; supplementary groove 4 of pouring's inside bottom is provided with stiffener 5 in the central position, can promote compressive resistance to pile body 1 to first step through main part reinforcing bar 3.
In addition, according to the embodiment of the present invention, as shown in fig. 1 and fig. 6, insertion grooves 401 are formed on two sides of the interior of the auxiliary casting groove 4, and the insertion grooves 401 are rectangular structures; the inside central point of inserting groove 401 is provided with mounting 402, and mounting 402 is the I-shaped structure, inserts inserting groove 401's inside through the one end with grafting billet 509, makes grafting billet 509 can play the effect of the compressive force of reinforced pile body 1.
In addition, according to the embodiment of the present invention, as shown in fig. 3, the two sides of the fixing member 402 are provided with loading slots 403, and the loading slots 403 are rectangular; a limiting block 404 is slidably mounted in the loading groove 403, and the limiting block 404 is of a trapezoidal structure; a spring is arranged between the inner end of the limiting block 404 and the inner end of the carrying groove 403, when the outer end of the inserting steel bar 509 abuts against the inner end of the inserting groove 401, the limiting block 404 is pushed outwards through the spring, so that the inserting steel bar 509 enters the limiting groove 5010 in an inserting mode, and the inserting steel bar 509 is limited and fixed.
In addition, according to the embodiment of the present invention, as shown in fig. 2, a slide cylinder 501 is slidably mounted on the reinforcing rod 5, and the slide cylinder 501 has a rectangular rod-shaped structure; the cover plates 502 are arranged on the two sides of the sliding barrel 501, the cover plates 502 are of a rectangular structure, the connecting positions of the connecting rods 503 can be covered and protected through the cover plates 502, and the phenomenon that concrete drips on the connecting positions of the connecting rods 503 when poured is avoided, so that the connecting positions of the connecting rods 503 are preferably fixed by the concrete, and the connecting rods 503 cannot be normally used.
In addition, according to the embodiment of the present invention, as shown in fig. 3, the two sides of the sliding cylinder 501 are also rotatably mounted with the connecting rods 503; a pressing plate 504 is arranged at a position lower than the outer side of the sliding barrel 501, the pressing plate 504 is of a rectangular structure, and the sliding barrel 501 drives one end of the connecting rod 503 to descend, so that the other end of the connecting rod pushes the insertion steel bar 509 outwards, and the insertion steel bar 509 is inserted into the insertion groove 401.
Furthermore, according to the embodiment of the present invention, as shown in fig. 7, the bottom of the slide cylinder 501 is provided with a bottom plate 505, and the bottom plate 505 has a rectangular structure; a supporting plate 506 is arranged on the lower inclined section of the reinforcing rod 5, a spring is arranged between the top of the supporting plate 506 and the bottom of the bottom plate 505, and concrete is poured on the supporting plate 506 and is pressed down by the concrete to drive the other ends of the sliding barrel 501 and the connecting rod 503 to descend, so that the fixing work of the inserting steel bar 509 is completed when the concrete is poured.
Further, according to the embodiment of the present invention, as shown in fig. 4, side bars 507 are provided at both side bottoms of the reinforcing bar 5, and the side bars 507 are of an L-shaped structure; the rod ends of the side rods 507 are provided with connecting carrier blocks 508, the connecting carrier blocks 508 are rectangular, and the connecting carrier blocks 508 are arranged to facilitate installation of the inserted steel bars 509.
In another embodiment: the inside of connecting carrier block 508 can be provided with pivoted roller, through these rollers can reduce grafting billet 509 when sliding, and connect the frictional force between the carrier block 508, reduce the degree of wear of connecting carrier block 508 and grafting billet 509, the life of extension connecting carrier block 508 and grafting billet 509.
In addition, according to the embodiment of the present invention, as shown in fig. 5, an insertion steel bar 509 is slidably mounted on the connection carrier 508, and an inner end of the insertion steel bar 509 is rotatably connected to the other end of the connection rod 503; the limiting groove 5010 is formed in the outer end of the inner side of the inserting steel bar 509, and the inserting steel bar 509 is inserted into the inserting groove 401, so that the inserting steel bar 509 plays a role in reinforcing the pile body 1.
In addition, according to the embodiment of the present invention, as shown in fig. 8, the top of the supporting plate 506 is provided with a first through slot 5011, and the first through slot 5011 has a rectangular structure; the top of the pressing plate 504 is provided with a second through slot 5012, and the second through slot 5012 has a rectangular structure, the first through slot 5011 is provided to avoid the interference of the supporting plate 506 with the installation of the side bar 507, and the second through slot 5012 is provided to avoid the interference of the pressing plate 504 with the installation of the side bar 507.
Further, the method comprises the steps of:
1. paying out a building formwork, and then inserting six main steel bars 3 into the building formwork according to specific positions;
2. selecting four wood boards with the same shape and volume as the auxiliary pouring groove 4, and inserting the four wood boards into the building formwork;
3. then pouring concrete into the building formwork, and pouring the general shape of the pile body 1 to produce the concrete;
4. after the concrete is formed, the building formwork is disassembled, and the wood board is taken out of the pile body 1 to form the shape of the auxiliary pouring groove 4;
5. producing the anchor 402 and its accessory parts and the reinforcement bar 5 and its accessory parts;
6. inserting grooves 401 are formed in two sides of the auxiliary pouring groove 4, and a fixing piece 402 and accessory parts thereof are installed in the auxiliary pouring groove;
7. installing a reinforcing rod 5 and accessory parts thereof in the middle of the interior of the auxiliary pouring groove 4;
8. concrete is poured into the auxiliary casting groove 4.
The specific use mode and function of the embodiment are as follows: when in use, concrete is poured into the auxiliary pouring groove 4, the concrete is poured onto the pressing plate 504 as directly as possible, the pressing plate 504 is pressed by the concrete to drive one end of the sliding barrel 501 and the connecting rod 503 to descend, the other end of the sliding barrel pushes the inserting steel bar 509 outwards, the outer end of the inserting steel bar slides towards the inside of the inserting groove 401 and slides to a certain position, the insertion steel bar 509 pushes the stopper 404, so that the stopper 404 moves toward the interior of the loading slot 403 by using its own trapezoidal structure, so that the stopper 404 is temporarily retracted to the inside of the carrier groove 403, and when the outer end of the plugging steel rod 509 is in abutting contact with the inner end of the plugging groove 401, the position of the stopper groove 5010 corresponds to the position of the carrier groove 403, the limiting block 404 is inserted into the limiting groove 5010 under the action of the spring, thereby completing the construction and fixation of the splicing steel bar 509, and finally pouring concrete into the auxiliary pouring groove 4.
Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (10)
1. The post-grouting prestressed hollow square pile and the manufacturing method thereof are characterized in that the hollow square pile comprises the following components: the pile body (1), the pile body (1) is of a rectangular structure; a hollow groove (2) is formed in the middle of the top of the pile body (1), and the hollow groove (2) is of a circular structure; a main steel bar (3) is arranged inside the pile body (1); an auxiliary pouring groove (4) is formed in the outer side of the top of the pile body (1), and the auxiliary pouring groove (4) is of a rectangular structure; and a reinforcing rod (5) is arranged at the middle position of the bottom end in the auxiliary pouring groove (4).
2. The post-grouting prestressed hollow square pile according to claim 1, characterized in that: inserting grooves (401) are formed in two sides of the interior of the auxiliary pouring groove (4), and the inserting grooves (401) are of rectangular structures; a fixing piece (402) is arranged in the middle of the inner part of the inserting groove (401), and the fixing piece (402) is of an I-shaped structure.
3. The post-grouting prestressed hollow square pile according to claim 2, characterized in that: the two sides of the fixing piece (402) are provided with loading grooves (403), and the loading grooves (403) are of rectangular structures; a limiting block (404) is slidably mounted in the loading groove (403), and the limiting block (404) is of a trapezoidal structure; a spring is arranged between the inner end of the limiting block (404) and the inner end of the loading groove (403).
4. The post-grouting prestressed hollow square pile according to claim 1, characterized in that: a sliding cylinder (501) is sleeved on the reinforcing rod (5) in a sliding manner, and the sliding cylinder (501) is of a rectangular rod-shaped structure; and cover plates (502) are arranged on two sides of the sliding cylinder (501), and the cover plates (502) are rectangular in structure.
5. The post-grouting prestressed hollow square pile according to claim 4, characterized in that: two sides of the sliding cylinder (501) are also rotatably provided with connecting rods (503); a pressing plate (504) is arranged at a position, which is lower than the outer side of the sliding cylinder (501), and the pressing plate (504) is of a rectangular structure.
6. The post-grouting prestressed hollow square pile according to claim 5, characterized in that: a bottom plate (505) is arranged at the bottom of the sliding cylinder (501), and the bottom plate (505) is of a rectangular structure; a supporting plate (506) is arranged on the lower deflection section of the reinforcing rod (5), and a spring is arranged between the top of the supporting plate (506) and the bottom of the bottom plate (505).
7. The post-grouting prestressed hollow square pile according to claim 6, characterized in that: side rods (507) are arranged at the bottoms of the two sides of the reinforcing rod (5), and the side rods (507) are of L-shaped structures; the rod end of the side rod (507) is provided with a connecting carrier block (508), and the connecting carrier block (508) is of a rectangular structure.
8. The post-grouting prestressed hollow square pile according to claim 7, characterized in that: an inserting steel bar (509) is slidably arranged on the connecting carrier block (508), and the inner end of the inserting steel bar (509) is rotatably connected with the other end of the connecting rod (503); the inboard outer end of grafting billet (509) has seted up spacing groove (5010).
9. The post-grouting prestressed hollow square pile according to claim 8, characterized in that: the top of the supporting plate (506) is provided with a first through groove (5011), and the first through groove (5011) is of a rectangular structure; a second through groove (5012) is formed in the top of the pressing plate (504), and the second through groove (5012) is of a rectangular structure.
10. The method for manufacturing the post-grouting prestressed hollow square pile as claimed in any one of claims 1 to 9, wherein: the method comprises the following steps:
1. paying out the building formwork, and then inserting the six main steel bars (3) into the building formwork according to specific positions;
2. selecting four wood boards with the same shape and volume as the auxiliary pouring groove (4), and inserting the four wood boards into the building formwork;
3. then pouring concrete into the building formwork, and pouring the general shape of the pile body (1) to produce the concrete;
4. after the concrete is formed, the building formwork is disassembled, and the wood board is taken out of the pile body (1) to form the shape of the auxiliary pouring groove (4);
5. producing the fixing piece (402) and the accessory parts thereof, and the reinforcing rod (5) and the accessory parts thereof;
6. inserting grooves (401) are formed in two sides of the auxiliary pouring groove (4), and a fixing piece (402) and accessory parts thereof are installed in the auxiliary pouring groove;
7. installing a reinforcing rod (5) and accessory parts thereof in the middle of the interior of the auxiliary pouring groove (4);
8. and pouring concrete into the auxiliary pouring groove (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111556312.7A CN114197452B (en) | 2021-12-18 | 2021-12-18 | Post-grouting prestressed hollow square pile and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111556312.7A CN114197452B (en) | 2021-12-18 | 2021-12-18 | Post-grouting prestressed hollow square pile and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114197452A true CN114197452A (en) | 2022-03-18 |
| CN114197452B CN114197452B (en) | 2023-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111556312.7A Active CN114197452B (en) | 2021-12-18 | 2021-12-18 | Post-grouting prestressed hollow square pile and manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN114197452B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121157202A (en) * | 2025-11-12 | 2025-12-19 | 安徽省轩皓建设工程有限公司 | Energy-saving building support column processing equipment and processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011148220A (en) * | 2010-01-22 | 2011-08-04 | Tsuruta Seisaku Kk | Clamping mechanism for lifting spacer member in core of concrete formwork |
| CN203741819U (en) * | 2014-03-12 | 2014-07-30 | 梁燕军 | Self-alarmingpost-grouting composite reinforced concrete hollow square pile |
| CN106149733A (en) * | 2016-08-10 | 2016-11-23 | 浙江大学城市学院 | Tunnel immediately adjacent to bridge section deep foundation pit supporting structure and construction method |
| CN207121902U (en) * | 2017-07-08 | 2018-03-20 | 滨州学院 | Multilevel hierarchy post jacking armored concrete pretensioned prestressing hollow square pile |
| CN207812443U (en) * | 2017-12-22 | 2018-09-04 | 菏泽学院 | A kind of pre-stress hollow square pile |
-
2021
- 2021-12-18 CN CN202111556312.7A patent/CN114197452B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011148220A (en) * | 2010-01-22 | 2011-08-04 | Tsuruta Seisaku Kk | Clamping mechanism for lifting spacer member in core of concrete formwork |
| CN203741819U (en) * | 2014-03-12 | 2014-07-30 | 梁燕军 | Self-alarmingpost-grouting composite reinforced concrete hollow square pile |
| CN106149733A (en) * | 2016-08-10 | 2016-11-23 | 浙江大学城市学院 | Tunnel immediately adjacent to bridge section deep foundation pit supporting structure and construction method |
| CN207121902U (en) * | 2017-07-08 | 2018-03-20 | 滨州学院 | Multilevel hierarchy post jacking armored concrete pretensioned prestressing hollow square pile |
| CN207812443U (en) * | 2017-12-22 | 2018-09-04 | 菏泽学院 | A kind of pre-stress hollow square pile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121157202A (en) * | 2025-11-12 | 2025-12-19 | 安徽省轩皓建设工程有限公司 | Energy-saving building support column processing equipment and processing method |
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| Publication number | Publication date |
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| CN114197452B (en) | 2023-03-03 |
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