CN113356200A - Precast pile construction method - Google Patents
Precast pile construction method Download PDFInfo
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- CN113356200A CN113356200A CN202110484976.0A CN202110484976A CN113356200A CN 113356200 A CN113356200 A CN 113356200A CN 202110484976 A CN202110484976 A CN 202110484976A CN 113356200 A CN113356200 A CN 113356200A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
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Abstract
The application relates to the field of pile body construction, in particular to a precast pile construction method, which comprises the following steps: the method comprises the steps of preparation before construction, cleaning of a pile body construction site, determination of the position and the depth of a pile hole, opening of the pile hole, cleaning of mud stones in the pile hole, pile sinking, pile splicing and pile head treatment of a precast pile. This application is before the precast pile sinks into the ground of pile body job site, through pile body joint frame joint precast pile, in the precast pile can survey on-the-spot ground perpendicularly and sink into the drilling, it is darker to make the precast pile sink into the ground degree of depth, has promoted the fixed effect of precast pile, and then has promoted the rationality of pile body construction method.
Description
Technical Field
The application relates to the field of pile body construction, in particular to a precast pile construction method.
Background
Along with the acceleration of the urbanization process in China, high-rise buildings in cities are more and more, and inevitably, the pile foundation construction of the high-rise buildings becomes more and more important, when a bearing layer with excellent properties exists at the lower part of a base, most of the pile foundations can select end bearing piles as engineering piles, and the end bearing piles basically adopt cast-in-place bored piles.
In the related technology, when the pile body is constructed, the construction planning of the pile body is not comprehensive, and the defect that the planning of the pile body construction method is unreasonable exists.
Disclosure of Invention
In order to improve the rationality of the pile body construction method, the application provides a precast pile construction method.
The construction method for the precast pile adopts the following technical scheme:
a precast pile construction method comprises the following steps:
preparation before construction: before construction, purchasing or leasing equipment and tools required by precast pile construction, and recruiting constructors;
cleaning a pile body construction site: cleaning sundries on the pile body construction site; the ground of the pile body construction site is finished and leveled through soil pushing equipment and flattening equipment;
determining the position and the depth of the pile hole: confirming the pile hole depth and the distribution position of the precast pile according to the geological structure of the pile body construction site, marking the pile hole position on the ground of the pile body construction site, drawing a pile hole position distribution diagram and marking the pile hole depth in the diagram;
pile holes are formed: drilling a pile hole at the pile hole marking position of a pile body construction site by a drilling machine, wherein the depth of the drilled pile hole is consistent with the depth of the pile hole marked by the pile hole position distribution diagram;
cleaning mud stones in the pile hole: conveying the mudstone taken out of the pile hole to a specified mudstone recovery place by a mudstone transport vehicle;
pile sinking: moving the pile driver and the precast pile to the pile hole position of the pile body construction site, driving the precast pile into the pile hole of the pile body construction site through the pile driver, and ensuring that the axial direction of the precast pile is vertical to the ground of the pile body construction site by utilizing the pile body adjusting frame in the pile driving process;
pile splicing: after a precast pile is sunk into the pile hole, the precast pile to be sunk into the pile hole is moved to the pile hole through pile body hoisting equipment, so that the two precast piles are axially aligned and fixed by welding;
pile head treatment of the precast pile: the part of the precast pile protruding out of the pile hole is cut by the pile body cutting equipment, so that the height of the precast pile protruding part on the precast pile field is the same.
Through adopting above-mentioned technical scheme, before the precast pile sinks into the ground of pile body job site, through pile body joint frame joint precast pile, the precast pile can be perpendicular to survey on-the-spot ground and sink in the drilling, makes the precast pile sink into the ground degree of depth darker, has promoted the fixed effect of precast pile, and then has promoted the rationality of pile body construction method.
Optionally, a polishing step of adding the end head of the pile body between the pile sinking and the pile splicing: and (4) polishing the end head part of the precast pile by using a polishing tool to enable the precast pile to have metallic luster.
Through adopting above-mentioned technical scheme, add the step of polishing of pile body tip between pile sinking and pile extension, through polishing precast pile body junction end, can detach the rust of precast pile end, promoted the welding quality of staff to precast pile end cloth, and then promoted two precast tubular pile's fixed effect.
Optionally, pile body joint frame is including accepting bottom plate, alignment jig, support riser and card stake subassembly, support riser perpendicular to alignment jig and fix in alignment jig one side, the setting of card stake subassembly is on supporting the riser, the card stake subassembly includes first card pile sheet and second card pile sheet, first draw-in groove has been seted up on the first card pile sheet, the second draw-in groove has been seted up on the second card pile sheet, and when first card pile sheet and second card pile sheet closed, first draw-in groove on the first card pile sheet and the second draw-in groove of second card pile sheet formed card stake groove, the precast pile can be installed in card stake groove.
Through adopting above-mentioned technical scheme, with the precast pile joint in first calorie of stake board and the formation of second calorie of stake board card stake inslot, sink into the soil layer in-process at the precast pile, card stake subassembly enables in the precast pile is driven into the soil layer perpendicularly, makes the precast pile sink into the degree of depth on soil layer darker, has promoted the fixed effect of precast pile in the soil layer.
Optionally, a fixed guide rail is fixed to the supporting vertical plate at the pile clamping assembly, a first sliding block is arranged on the first pile clamping plate, the first sliding block is connected to the fixed guide rail in a sliding mode, a second sliding block is arranged on the second pile clamping plate, and the second sliding block is connected to the fixed guide rail in a sliding mode.
Through adopting above-mentioned technical scheme, can make first card stake board and second card stake board slide on fixed guide, make things convenient for opening or closing of first card stake board and second card stake board, and then make things convenient for on the prefabricated pile body of card machine unit mount.
Optionally, one side, away from the second card pile plate, of the first card pile plate is provided with a first fixing plate, the first fixing plate is fixed with the fixed guide rail through a first fixing bolt, one side, away from the first card pile plate, of the second card pile plate is provided with a second fixing plate, and the second fixing plate is fixed with the fixed guide rail through a second fixing bolt.
Through adopting above-mentioned technical scheme, when first card pile sheet and second card pile sheet are closed, first fixing bolt prevents that first card pile sheet and second card pile sheet from opening, and the pile subassembly joint precast pile of being convenient for blocks, when first card pile sheet and second card pile sheet are opened, first fixing bolt prevents that first card pile sheet and second card pile sheet from removing on fixed guide, the pile driver pile of being convenient for.
Optionally, one side of the fixed guide rail is kept away from by the first pile clamping plate and is fixed with a first connecting rod, one end of the first pile clamping plate is kept away from by the first connecting rod and is fixed with a first fixed block, a first threaded hole which faces vertically downwards is formed in the first fixed block, a locking bolt is arranged at the first threaded hole in a position, where the first threaded hole is formed, of the first pile clamping plate, one side of the fixed guide rail is kept away from by the second pile clamping plate and is fixed with a second connecting rod, one end of the second pile clamping plate is kept away from by the second connecting rod and is fixed with a second fixed block, a second threaded hole which faces vertically downwards is formed in the second fixed block, and when the first pile clamping plate and the second pile clamping plate are closed, the locking bolt can penetrate through the first threaded hole in the first fixed block and is fixed in the second threaded hole in the second fixed block.
Through adopting above-mentioned technical scheme, promoted the fixed effect of first card pile board and second card pile board, made first card pile board and second card pile board closed inseparabler.
Optionally, the adjusting station is including fixing the first frid on accepting the bottom plate, setting up in the second frid of first frid top, setting up adjusting bottom plate, first leveling subassembly and the second leveling subassembly on the second frid, be provided with the spirit level on the adjusting bottom plate, second frid one side is rotated with first frid through first articulated shaft and is connected, first leveling subassembly sets up and keeps away from first articulated shaft one side in the second frid bottom surface, adjusting bottom plate one side is rotated with the second frid through the second articulated shaft and is connected, first articulated shaft and second articulated shaft mutually perpendicular, second leveling subassembly sets up and keeps away from second articulated shaft one side in adjusting the bottom plate.
Through adopting above-mentioned technical scheme, the staff can be through first leveling subassembly, second leveling subassembly and spirit level with the leveling of adjustment table upper surface, the support riser that makes keeps vertical state to the precast pile of card stake subassembly joint keeps vertical state, has promoted the joint effect of card stake subassembly to the precast pile.
Optionally, the first leveling assembly comprises a first adjusting rod, a first hydraulic rod cylinder and a third slider, the third slider is slidably connected to the bottom surface of the second groove plate, one end of the first adjusting rod is hinged to the upper surface of the second groove plate, the other end of the first adjusting rod is hinged to the third slider, the first hydraulic cylinder is hinged to the upper surface of the second groove plate, and a piston rod of the first hydraulic cylinder is hinged to the middle position of the first adjusting rod.
Through adopting above-mentioned technical scheme, through the flexible of first pneumatic cylinder piston rod, can adjust the height that first articulated shaft one side was kept away from to the second frid, conveniently carry out the leveling to the adjustment table upper surface.
Optionally, a counterweight block is arranged on one side, away from the supporting vertical plate, of the adjusting platform.
Through adopting above-mentioned technical scheme, can adjust platform both sides atress balanced, prevent that pile body joint frame from taking place to turn on one's side, promoted the stability of pile body joint frame.
Optionally, the bottom of the supporting base plate is provided with a roller and a fixed insertion rod, the fixed insertion rod is connected to the supporting base plate in a threaded mode, and the bottom end of the fixed insertion rod is provided with a sharp portion.
Through adopting above-mentioned technical scheme, be provided with the gyro wheel bottom the receiving bottom plate, make things convenient for the removal of pile body joint frame, set up fixed inserted bar on the receiving bottom plate simultaneously, can fix the receiving bottom plate subaerial, prevent to accept the board and take place to remove, guaranteed that pile body joint frame does not take place to remove in the course of the work, promoted the result of use of pile body joint frame.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the precast pile is clamped by the pile body clamping frame before the precast pile is sunk into the ground of the pile body construction site, the precast pile can be sunk into a drill hole perpendicular to the ground of the surveying site, so that the precast pile is sunk deeper into the ground, the fixing effect of the precast pile is improved, and the rationality of the pile body construction method is further improved;
2. the polishing step of adding the end part of the pile body between the pile sinking and the pile splicing is adopted, and the end part of the connection part of the precast pile body is polished, so that rust at the end of the precast pile can be removed, the welding quality of workers to precast pile end cloth is improved, and the fixing effect of two precast tubular piles is further improved;
3. the workbench is provided with the first leveling assembly, the second leveling assembly and the level meter, and workers can level the upper surface of the adjusting table through the first leveling assembly, the second leveling assembly and the level meter, so that the supporting vertical plate is kept in a vertical state, the precast pile clamped by the clamping pile assembly is kept in a vertical state, and the clamping effect of the clamping pile assembly on the precast pile is improved.
Drawings
Fig. 1 is a flowchart of a precast pile construction method according to an embodiment of the present application.
Fig. 2 is a schematic overall structure diagram of a pile clamping frame according to an embodiment of the application.
Fig. 3 is a schematic view of a connection structure of a first slot plate and a second slot plate according to an embodiment of the present application.
Fig. 4 is a schematic view of a connection structure of a second slot plate and an adjusting bottom plate according to an embodiment of the present application.
Fig. 5 is a schematic structural diagram of a pile clamping assembly according to an embodiment of the application.
Description of reference numerals: 1. receiving a bottom plate; 11. a roller; 12. fixing the inserted rod; 121. rotating the rod; 2. an adjusting table; 21. a first slot plate; 22. a second slot plate; 221. a first hinge shaft; 23. adjusting the bottom plate; 231. a second hinge shaft; 24. a first leveling assembly; 241. a first adjusting lever; 242. a first hydraulic cylinder; 243. a third slider; 25. a second leveling assembly; 26. a level gauge; 3. supporting a vertical plate; 31. fixing the guide rail; 4. a pile clamping component; 41. a first pile clamping plate; 411. a first card slot; 412. a first slider; 413. a first fixing plate; 414. a first fixing bolt; 415. a first connecting rod; 416. a first fixed block; 42. a second pile clamping plate; 421. a second card slot; 422. a second slider; 423. a second fixing plate; 424. a second fixing bolt; 425. a second connecting rod; 426. a second fixed block; 43. pile clamping grooves; 44. locking the bolt; 5. to the weight block.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a precast pile construction method. Referring to fig. 1, the precast pile construction method includes the steps of:
preparation before construction: before construction, purchasing or leasing bulldozing equipment, flattening equipment, a drilling machine, an earth transport vehicle and an electric welding machine, and recruiting constructors;
cleaning a pile body construction site: cleaning sundries on the pile body construction site; the ground of the pile body construction site is finished and leveled through soil pushing equipment and flattening equipment;
determining the position and the depth of the pile hole: confirming the pile hole depth and the distribution position of the precast pile according to the geological structure of the pile body construction site, marking the pile hole position on the ground of the pile body construction site, drawing a pile hole position distribution diagram and marking the pile hole depth in the diagram;
pile holes are formed: drilling a pile hole at the pile hole marking position of a pile body construction site by a drilling machine, wherein the depth of the drilled pile hole is consistent with the depth of the pile hole marked by the pile hole position distribution diagram;
cleaning mud stones in the pile hole: conveying the mudstone taken out of the pile hole to a specified mudstone recovery place by a mudstone transport vehicle;
pile sinking: the pile driver and the precast pile are moved to the pile hole position of the pile body construction site, the precast pile is driven into the pile hole of the pile body construction site through the pile driver, and the pile body clamping frame is used for ensuring that the axial direction of the precast pile is vertical to the ground of the pile body construction site in the pile driving process;
polishing the end part of the pile body: polishing the end head part of the precast pile by using a polishing tool to enable the precast pile to have metallic luster;
pile splicing: after a precast pile is sunk into the pile hole, the precast pile to be sunk into the pile hole is moved to the pile hole through pile body hoisting equipment, so that the two precast piles are axially aligned and fixed by welding;
pile head treatment of the precast pile: the part of the precast pile protruding out of the pile hole is cut by the pile body cutting equipment, so that the height of the precast pile protruding part on the precast pile field is the same.
Referring to fig. 2, the pile body clamping frame in the pile sinking step includes a supporting base plate 1, an adjusting platform 2 fixed on the supporting base plate 1, a supporting vertical plate 3 fixed on the adjusting platform 2, a pile clamping assembly 4 arranged on the supporting force plate, and a counterweight block 5 arranged on the adjusting platform 2.
Referring to fig. 2, rollers 11 are arranged at four corners of the bottom surface of the supporting base plate 1, a fixed insertion rod 12 is arranged at the middle position of the side edge of the upper surface of the supporting base plate 1, the fixed insertion rod 12 is arranged on the supporting base plate 1 in a penetrating manner and is in threaded connection with the supporting base plate 1, a conical sharp part is arranged at the bottom end of the fixed insertion rod 12, and a rotating rod 121 perpendicular to the fixed insertion rod 12 is fixed at the top end of the fixed insertion rod 12; when pile body joint frame removed, the staff upwards rotated fixed inserted bar 12 through rotating dwang 121, and fixed inserted bar 12 breaks away from ground, made things convenient for the staff to remove pile body joint frame, when pile body joint frame joint precast pile, the staff was in the soil horizon was gone into downwards to fixed inserted bar 12 through rotating dwang 121, and the pile body can not take place to remove, has promoted the result of use of pile body joint frame to precast pile.
Referring to fig. 2, 3 and 4, the adjusting table 2 includes a first channel plate 21 fixed at the middle position of the receiving bottom plate 1, a second channel plate 22 disposed on the first channel plate 21, an adjusting bottom plate 23 disposed on the second channel plate 22, a first leveling component 24 disposed between the first channel plate 21 and the second channel plate 22, a second leveling component 25 disposed between the second channel plate 22 and the receiving bottom plate 1, and a level gauge 26 fixed at the middle position of the adjusting bottom plate 23, the rear side of the second channel plate 22 is rotatably connected to the first channel plate 21 through a first hinge shaft 221, the bottom surface of the second channel plate 22 is provided with a first sliding slot, the first sliding slot is perpendicular to the first hinge shaft 221, the first leveling component 24 is disposed at the bottom of the second channel plate 22 away from the first hinge shaft 221, the first leveling component 24 includes a first adjusting rod 241, a first hydraulic cylinder 242 and a third sliding block 243, the third sliding block is slidably connected in the first sliding slot of the bottom surface of the second channel plate 22, one end of the first adjusting rod 241 is hinged to the upper surface of the first groove plate 21, the other end of the first adjusting rod 241 is hinged to the bottom surface of the third sliding block 243, the first hydraulic cylinder 242 is hinged to the upper surface of the first groove plate 21, a piston rod of the first hydraulic cylinder 242 is hinged to the middle position of the first adjusting rod 241, and the height of one side, away from the first hinge shaft 221, of the second groove plate 22 can be adjusted through the extension and contraction of the piston rod of the first hydraulic cylinder 242, so that the front and back leveling of the adjusting platform 2 is facilitated.
Referring to fig. 2, 3 and 4, the right side of the adjusting base plate 23 is rotatably connected to the second channel plate 22 through a second hinge shaft 231, the second hinge shaft 231 is perpendicular to the first hinge shaft 221, a second sliding slot perpendicular to the second hinge shaft 231 is formed in the left side of the adjusting base plate 23, the second leveling component 25 is located at the bottom of the adjusting base plate 23 and far away from the second hinge shaft 231, and the second leveling component 25 has the same structure as the first leveling component 24, so that the adjusting table 2 can be leveled in the left-right direction.
Referring to fig. 2 and 5, the supporting vertical plate 3 is perpendicular to the upper surface of the adjusting table 2 and is located at the side edge of the adjusting table 2, and the counterweight 5 is fixed on the upper surface of the adjusting table 2 and is far away from one side of the supporting vertical plate 3, so that the weight at two sides of the adjusting table 2 is conveniently balanced, the pile body clamping frame is prevented from turning over, and the using effect of the pile body clamping frame is improved; the outer side surface of the supporting vertical plate 3 is provided with a plurality of fixed guide rails 31 which are vertical to the length direction of the supporting vertical plate 3.
Referring to fig. 2 and 5, the pile fastening assembly 4 is located on the fixed guide rail 31 on the supporting vertical plate 3, the pile fastening assembly 4 includes a first pile fastening plate 41, a second pile fastening plate 42 and a locking bolt 44, a semicircular first fastening slot 411 is formed on a side of an upper surface of the first pile fastening plate 41 close to the second pile fastening plate 42, a first sliding block 412 is fixed on a side of the first pile fastening plate 41 close to the fixed guide rail 31, the first sliding block 412 is slidably connected to the fixed guide rail 31 to facilitate opening or closing of the first pile fastening plate 41 and the second pile fastening plate 42, a first connecting rod 415 inclined toward the second pile fastening plate 42 is arranged on a side of the first pile fastening plate 41 away from the fixed guide rail 31, a first fixing block 416 is fixed on an end of the first connecting rod 415 away from the first pile fastening plate 41, a first threaded hole vertically downward is formed on the first fixing block 416, a first fixing plate 413 is fixed inside a side of the first pile fastening plate 41 away from the second pile fastening plate, a first fixing bolt 414 is inserted into the first fixing plate 413.
Referring to fig. 2 and 5, the second pile clamping plate 42 is symmetrically disposed on one side of the first pile clamping plate 41, a semicircular first clamping groove 411 is disposed on one side of the second pile clamping plate 42 close to the first pile clamping plate 41, when the first pile clamping plate 41 and the second pile clamping plate 42 are closed, a pile clamping groove 43 for clamping a precast pile is formed between the first pile clamping plate 41 and the second pile clamping plate 42, a second sliding block 422 is fixed on one side of the second pile clamping plate 42 close to the fixed guide rail 31, the second sliding block 422 is slidably connected to the fixed guide rail 31, a second connecting rod 425 inclined toward the first pile clamping plate 41 is disposed on one side of the second pile clamping plate 42 away from the fixed guide rail 31, a second fixing block 426 is fixed on one end of the second connecting rod 425 away from the second pile clamping plate 42, the second fixing block 426 is located below the first fixing block 416, a first threaded hole vertically downward is disposed on the second fixing block 426, a second fixing plate 423 is fixed on the inner side of the second pile clamping plate 42 away from the first clamping plate, a second fixing bolt 424 is inserted into the second fixing plate 423.
Referring to fig. 2 and 5, when the pile clamping assembly 4 clamps the precast pile, the first pile clamping plate 41 and the second pile clamping plate 42 slide on the fixed guide rail 31 close to each other, the first pile clamping plate 41 and the second pile clamping plate 42 are closed, the first pile clamping plate 41 and the fixed guide rail 31 are fixed by the first fixing bolt 414, the second pile clamping plate 42 and the fixed guide rail 31 are fixed by the second fixing bolt 424, and the locking bolt 44 is fixed by the first threaded hole on the first fixing block 416 and the second threaded hole on the second fixing block 426, so that the pile clamping assembly 4 can clamp the precast pile; when the precast pile end head is close to the clamping assembly, the locking bolt 44 is taken out of the first fixing block 416 and the second fixing block 426, the first fixing bolt 414 and the second fixing bolt 424 are loosened, the first clamping pile plate 41 and the second clamping pile plate 42 slide on the fixed guide rail 31, the first clamping pile plate 41 and the second clamping pile plate 42 are far away from each other, the first clamping pile plate 41 and the fixed guide rail 31 are fixed through the first fixing bolt 414, the second clamping pile plate 42 and the fixed guide rail 31 are fixed through the second fixing bolt 424, the clamping pile assembly 4 can be kept in an open state, and the influence of the clamping pile assembly 4 on the pile driver is reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A precast pile construction method is characterized by comprising the following steps:
preparation before construction: before construction, purchasing or leasing equipment and tools required by precast pile construction, and recruiting constructors;
cleaning a pile body construction site: cleaning sundries on the pile body construction site; the ground of the pile body construction site is finished and leveled through soil pushing equipment and flattening equipment;
determining the position and the depth of the pile hole: confirming the pile hole depth and the distribution position of the precast pile according to the geological structure of the pile body construction site, marking the pile hole position on the ground of the pile body construction site, drawing a pile hole position distribution diagram and marking the pile hole depth in the diagram;
pile holes are formed: drilling a pile hole at the pile hole marking position of a pile body construction site by a drilling machine, wherein the depth of the drilled pile hole is consistent with the depth of the pile hole marked by the pile hole position distribution diagram;
cleaning mud stones in the pile hole: conveying the mudstone taken out of the pile hole to a specified mudstone recovery place by a mudstone transport vehicle;
pile sinking: the pile driver and the precast pile are moved to the pile hole position of the pile body construction site, the precast pile is driven into the pile hole of the pile body construction site through the pile driver, and the pile body clamping frame is used for ensuring that the axial direction of the precast pile is vertical to the ground of the pile body construction site in the pile driving process;
pile splicing: after a precast pile is sunk into the pile hole, the precast pile to be sunk into the pile hole is moved to the pile hole through pile body hoisting equipment, so that the two precast piles are axially aligned and fixed by welding;
pile head treatment of the precast pile: the part of the precast pile protruding out of the pile hole is cut by the pile body cutting equipment, so that the height of the precast pile protruding part on the precast pile field is the same.
2. A precast pile construction method according to claim 1, wherein a grinding step of adding the pile body end part between the driven pile and the driven pile: and (4) polishing the end head part of the precast pile by using a polishing tool to enable the precast pile to have metallic luster.
3. A precast pile construction method according to claim 1, wherein: pile body joint frame is including accepting bottom plate (1), regulation platform (2), support riser (3) and card stake subassembly (4), support riser (3) perpendicular to regulation platform (2) and fix in regulation platform (2) one side, card stake subassembly (4) set up on supporting riser (3), card stake subassembly (4) are including first card stake board (41) and second card stake board (42), first draw-in groove (411) have been seted up on first card stake board (41), second draw-in groove (421) have been seted up on second card stake board (42), when first card stake board (41) and second card stake board (42) are closed, first draw-in groove (411) on first card stake board (41) and second card stake board (421) of second card stake board (42) form card stake groove (43), the precast pile can be installed in card stake groove (43).
4. A precast pile construction method according to claim 3, wherein: support riser (3) and be fixed with fixed guide (31) in card stake subassembly (4) department, be provided with first slider (412) on first card stake board (41), first slider (412) sliding connection is on fixed guide (31), be provided with second slider (422) on second card stake board (42), sliding connection is in fixed guide (31) on second slider (422).
5. A precast pile construction method according to claim 4, wherein: first card pile board (41) are kept away from second card pile board (42) one side and are provided with first fixed plate (413), first fixed plate (413) are fixed through first fixing bolt (414) and fixed guide (31), second card pile board (42) are kept away from first card pile board (41) one side and are provided with second fixed plate (423), second fixed plate (423) are fixed through second fixing bolt (424) and fixed guide (31).
6. A precast pile construction method according to claim 5, wherein: a first connecting rod (415) is fixed on one side of the first pile clamping plate (41) far away from the fixed guide rail (31), a first fixing block (416) is fixed at one end of the first connecting rod (415) far away from the first clamping pile plate (41), a first threaded hole which is vertically downward is formed in the first fixing block (416), a locking bolt (44) is arranged at the first threaded hole of the first fixing block (416), a second connecting rod (425) is fixed on one side of the second pile clamping plate (42) far away from the fixed guide rail (31), a second fixing block (426) is fixed at one end of the second connecting rod (425) far away from the second pile clamping plate (42), a second threaded hole which is vertically downward is formed in the second fixing block (426), when the first pile clamping plate (41) and the second pile clamping plate (42) are closed, the locking bolt (44) can penetrate through the first threaded hole in the first fixing block (416) and be fixed in the second threaded hole in the second fixing block (426).
7. A precast pile construction method according to claim 3, wherein: the adjusting platform (2) comprises a first groove plate (21) fixed on the bearing bottom plate (1), a second groove plate (22) arranged above the first groove plate (21), an adjusting bottom plate (23) arranged on the second groove plate (22), a first leveling component (24) and a second leveling component (25), a level gauge (26) is arranged on the adjusting bottom plate (23), one side of the second groove plate (22) is rotationally connected with the first groove plate (21) through a first articulated shaft (221), the first leveling component (24) is arranged on one side of the bottom surface of the second groove plate (22) far away from the first hinge shaft (221), one side of the adjusting bottom plate (23) is rotationally connected with the second groove plate (22) through a second articulated shaft (231), first articulated shaft (221) and second articulated shaft (231) mutually perpendicular, second leveling subassembly (25) set up in adjusting bottom plate (23) and keep away from second articulated shaft (231) one side.
8. A precast pile construction method according to claim 7, wherein: the first leveling assembly (24) comprises a first adjusting rod (241), a first hydraulic cylinder (242) and a third sliding block (243), the third sliding block (243) is connected to the bottom surface of the second groove plate (22) in a sliding mode, one end of the first adjusting rod (241) is hinged to the upper surface of the second groove plate (22), the other end of the first adjusting rod (241) is hinged to the third sliding block (243), the first hydraulic cylinder (242) is hinged to the upper surface of the second groove plate (22), and a piston rod of the first hydraulic cylinder (242) is hinged to the middle position of the first adjusting rod (241).
9. A precast pile construction method according to claim 3, wherein: and a counterweight block (5) is arranged on one side of the adjusting platform (2) far away from the supporting vertical plate (3).
10. A precast pile construction method according to claim 3, wherein: the supporting base plate (1) bottom is provided with gyro wheel (11) and fixed inserted bar (12), fixed inserted bar (12) threaded connection is on supporting base plate (1) and fixed inserted bar (12) bottom is provided with sharp portion.
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Application publication date: 20210907 |