CN112726614B - Construction method for land steel pipe pile in comprehensive treatment of bridge construction in plain river - Google Patents
Construction method for land steel pipe pile in comprehensive treatment of bridge construction in plain river Download PDFInfo
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- CN112726614B CN112726614B CN202011548387.6A CN202011548387A CN112726614B CN 112726614 B CN112726614 B CN 112726614B CN 202011548387 A CN202011548387 A CN 202011548387A CN 112726614 B CN112726614 B CN 112726614B
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- 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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Abstract
The invention discloses a construction method for a steel pipe pile on the continental land in the comprehensive treatment of a bridge in a plain river, which comprises the following construction steps: a. construction in an early stage; b. mounting a support guide device; c. and (5) piling the steel pipe pile. The invention adopts the design of the supporting and guiding device, can facilitate the accurate positioning of the steel pipe pile and the pile position, simultaneously ensure the verticality of the steel pipe pile and facilitate the actual piling operation, the steel pipe pile is always limited and guided by the supporting and guiding device in the whole piling process, the verticality of the steel pipe pile from the piling beginning to the piling ending process is ensured, the limiting of the guide plate ensures the consistent length of the top of the steel pipe pile extending out of the ground after the piling is ended, the construction quality and the construction speed are effectively improved, the whole construction process is safe and convenient, in addition, after the piling is finished, partial components of the supporting and guiding device are disassembled and reused, meanwhile, partial devices are remained for carrying out auxiliary support on the steel pipe pile, and the mutual connection and fixation among the steel pipe piles are also facilitated.
Description
Technical Field
The invention belongs to the technical field of steel pipe piles, and particularly relates to a construction method for a steel pipe pile on the continental land in the comprehensive treatment of a bridge in a plain river.
Background
With the development of economy and society, water resources are seriously polluted. Especially, the pollution of the water in the riverway of the urban main and branch streams seriously affects the physical health and urban image of people. In recent years, the transformation of rivers in China begins to be changed into comprehensive treatment in the aspects of landscape greening, water conservancy construction, pollution prevention and treatment and the like. Creates harmonious and elegant living environment and creates an ecological idea of sustainable development, thereby bringing new growth for urban development. In comprehensive treatment of river channels, original dismantling and original construction of bridges are common construction steps. In the construction of a bridge, a piling operation of a steel pipe pile is required. The perpendicularity of pile position and steel pipe needs to be kept at the present steel-pipe pile in-process of driving the pile, but at the in-process of actually driving the pile, the steel-pipe pile takes place the slope easily, influences actual construction quality and construction progress, increases construction cost.
Disclosure of Invention
The invention aims to provide a technical scheme of a strengthening part of a municipal building highway door opening aiming at the defects in the prior art, the design is ingenious and reasonable, the design of a supporting and guiding device is adopted, the precise positioning of a steel pipe pile and a pile position can be facilitated, the verticality of the steel pipe pile is ensured, the actual pile driving operation is facilitated, the steel pipe pile is always limited and guided by the supporting and guiding device in the whole pile driving process, the verticality of the steel pipe pile in the processes from the beginning to the end of the pile driving is ensured, the length of the top of the steel pipe pile extending out of the ground after the pile driving is finished is ensured to be consistent through the limiting of a guide plate, the construction quality and the construction speed are effectively improved, the whole construction process is safe and convenient, partial components of the supporting and guiding device are disassembled and reused after the pile driving is finished, partial devices are remained to assist the steel pipe pile, and a bottom support plate realizes further connection and fixation between the steel pipe pile and the ground, effectively improve the structure steadiness of steel-pipe pile for structure security performance is better, and deflector and steel-pipe pile welding form an organic whole, and the connection of being convenient for between the follow-up same group of steel-pipe pile is fixed.
In order to solve the technical problems, the invention adopts the following technical scheme:
the construction method for the land steel pipe pile in the bridge construction of the plain river channel comprehensive treatment is characterized by comprising the following steps of:
a. early construction: firstly, leveling a field according to a lofting position, and measuring and positioning a pile position after leveling is finished;
b. mounting a supporting and guiding device:
1) the supporting and guiding device comprises a bracket body and a guide plate, the bracket body also comprises a bottom support plate, a top support plate and a guide screw group, the bottom support plate is firstly installed, the position of the bottom support plate is adjusted, so that a pile position is just positioned in a bottom guide hole in the center of the bottom support plate, a foundation screw is inserted into a fixing hole of the bottom support plate, the bottom support plate is fixed with the ground through the foundation screw, positioning bases are respectively installed on four sides of the bottom support plate, positioning grooves on the positioning bases are clamped into corresponding positioning bulges on the bottom support plate, and the positioning bases and the bottom support plate are further abutted and fixed through fastening screws; the bottom support plate is adjusted to ensure that the pile position is just positioned in the bottom guide hole at the center of the bottom support plate, and the bottom guide hole is matched with the steel pipe pile, so that the pile driving point position of the subsequent steel pipe pile is just positioned at the actual designed pile position, the construction quality is effectively improved, the bottom support plate is fixedly installed with the ground through the foundation screws, the installation firmness of the bottom support plate is effectively ensured, the bottom support plate is prevented from moving and dislocating, the support guide device is ensured not to move in the subsequent pile driving process, the limit guide effect of the support guide device on the steel pipe pile is ensured, the verticality in the pile driving process of the steel pipe pile is ensured, the installation positioning base can be convenient for the installation and fixation between the guide screw rod group and the bottom support plate, the accurate installation between the positioning base and the bottom support plate is realized through the accurate clamping and positioning of the positioning groove and the positioning bulge, and the limit fixation of the fastening screws is realized, the mounting firmness of the positioning base and the bottom support plate is effectively ensured, and the whole mounting process is simple and convenient and is convenient to operate;
2) then, the guide screw groups and the guide sliding sleeves are installed in a one-to-one correspondence mode, the guide sliding sleeves are sleeved on the guide screws from the bottom ends of the guide screw groups, two fastening nuts are screwed into the guide screws, and the two fastening nuts are located on the upper side and the lower side of the guide sliding sleeves respectively; the guide sliding sleeve is correspondingly arranged on each guide screw group, the guide sliding sleeve is sleeved on the guide screw on each guide screw group, and the guide sliding sleeve is clamped and fixed on the guide screw group through two fastening nuts on each guide screw, so that the limit fixation of the guide sliding sleeve on the guide screw group is realized;
3) then the guide screw groups and the positioning bases are correspondingly arranged one by one, the bottom ends of the guide screws are inserted into corresponding sleeves on the positioning bases, and the guide screws and the sleeves are fixed through the bolt assemblies; a guide screw group is installed on each positioning base, a guide screw on each guide screw group is in inserted connection with a sleeve on the positioning base for limiting, and the installation firmness between the bolt assembly and the guide screw is effectively ensured through further installation and fixation of the bolt assembly, so that the installation mode is simple, and the assembly and disassembly are convenient;
4) the guide plate is installed, folding rods are arranged on four side walls of the guide plate, folding plates are arranged at the end parts of the folding rods, the folding plates are just clamped in the U-shaped grooves on the corresponding guide sliding sleeves by adjusting the positions of the guide plate, the heights of the folding plates are adjusted to enable the bottom surfaces of the folding plates to be flush with the bottom surfaces of the guide sliding sleeves, and the folding plates and the guide sliding sleeves are installed and fixed through screws; the preliminary clamping limit between the guide plate and the guide sliding sleeve is realized through the design of the folded plate and the U-shaped groove, and then the height of the folded plate is adjusted, so that the bottom surface of the folded plate is flush with the bottom surface of the guide sliding sleeve, the subsequent measurement of the height of the guide plate is facilitated, the installation firmness between the guide plate and the guide sliding sleeve is effectively ensured through the screw fixation after the height adjustment, the structural stability of the whole supporting and guiding device is effectively ensured, and the subsequent limit guiding effect on the steel pipe pile is facilitated;
5) installing a top support plate, arranging a limiting abutting block at the top of the guide screw group, arranging a positioning screw at the top of the limiting abutting block, adjusting the position of the top support plate to enable a through hole in the top support plate to correspond to the positioning screw, enabling the positioning screw to penetrate through the corresponding through hole and extend to the top surface of the top support plate, and installing a clamping nut at the end part of the positioning screw and screwing; the top supporting plate connects the tops of the guide screw groups, so that the self structural strength of the supporting and guiding device is more stable, meanwhile, the top supporting plate can facilitate primary positioning between the steel pipe pile and the supporting and guiding device through a guide hole in the center, accurate splicing connection between the top supporting plate and the guide screw groups is realized through matching of positioning screws and through perforation, and then the top supporting plate is matched with the abutting support of the limiting abutting block to ensure that the top supporting plate is installed in place;
c. piling the steel pipe pile:
1) loosening the fastening nut, and adjusting the height of the guide sliding sleeve on the guide screw rod, so as to adjust the actual height of the guide plate until the height of the guide plate from the ground is equal to the length value of the designed steel pipe pile top surface higher than the ground; the height of the guide sliding sleeve is limited by adjusting to realize adjustment of the installation height of the guide plate, so that the height of the guide plate from the ground is the length of the top of the designed steel pipe pile exposed on the ground, the length of the steel pipe pile exposed on the ground can be controlled to be just the actually designed length after the steel pipe pile is driven, and the pile driving precision and the construction quality are effectively improved;
2) slowly hoisting the steel pipe pile above the pile position through a hoisting device, adjusting the position of the steel pipe pile to enable the bottom end of the steel pipe pile to be just positioned in a guide hole in the top surface of a top supporting plate, then sequentially lowering the steel pipe pile downwards, further adjusting the position of the steel pipe pile to enable the bottom end of the steel pipe pile to penetrate through a top guide hole in the guide plate to move downwards, and continuing to move downwards through the limiting guide of the top guide hole until the bottom end of the steel pipe pile penetrates through a bottom guide hole of the bottom supporting plate and abuts against the ground; the size of the guide hole is larger than the outer diameter size of the steel pipe pile, the position of the steel pipe pile is preliminarily adjusted through the top support plate, the bottom end of the steel pipe pile is firstly positioned in the guide hole, meanwhile, the size of the guide hole is larger than the outer diameter size of the steel pipe pile, so that the piling operation of the steel pipe pile can be facilitated, a space is reserved for the knocking of a piling hammer, the sizes of the top guide hole and the bottom guide hole are matched with the outer diameter size of the steel pipe pile, after the top support plate is preliminarily limited, an adjusting space of the steel pipe pile is reserved, then, the steel pipe pile is further adjusted, the steel pipe pile is inserted into the top guide hole, the verticality in the process of downwards moving the steel pipe pile is ensured through the limiting guide of the guide plate, the limited guide of the bottom guide hole is also adopted when the top support plate is inserted into the ground, the verticality in the piling process of the steel pipe pile is further ensured, and the construction quality is effectively improved;
3) hammering the steel pipe pile until the top surface of the steel pipe pile is flush with the top surface of the guide plate, and welding and fixing the guide plate and the steel pipe pile; the height of the guide plate is adjusted, the top surface of the steel pipe pile is just flush with the guide plate after the pile driving is finished, the length of the steel pipe pile driven into the ground and the length of the steel pipe pile exposed above the ground can be guaranteed, the construction quality is improved, meanwhile, the guide plate is flush with the top surface of the steel pipe pile, the flatness of the top surface of the whole pile can be guaranteed, the subsequent construction operation is convenient, the guide plate and the steel pipe pile are fixed into a whole through welding and fixing, therefore, when the steel pipe piles in the same group are connected in the subsequent process, the guide plates on the two steel pipe piles are matched through a connecting rod to realize connection, the steel pipe piles can be connected only through operations such as welding, drilling and the like on the guide plate, the surfaces of the steel pipe piles do not need to be operated, the steel pipe piles are protected, and the actual operation can be facilitated;
4) disassembling screws between the folded plate and the guide sliding sleeve, disassembling the bolt assembly, disassembling the top support plate and the guide screw assembly integrally, unscrewing the set screws, and taking the positioning base down from the bottom support plate; the whole combination of assembling with top extension board and lead screw group is dismantled and is recycled, and resources are saved can assemble into the pile driving operation of new support guider cooperation other steel-pipe piles with other new deflector and end extension boards, and the deflector welding makes up integratively with the steel-pipe pile, and the interconnect between the steel-pipe pile of being convenient for is fixed, and the end extension board leaves over the fixed of cooperation rag screw, can improve the structural firmness of steel-pipe pile.
Furthermore, in step 3) of the step b, after the guide screw group and the positioning base are installed, a scale rod is installed on the guide sliding sleeve, a measuring rod is arranged on the guide sliding sleeve, the bottom surface of the measuring rod is flush with the bottom surface of the guide sliding sleeve, the scale rod is inserted into a limiting through groove in the measuring rod, the bottom end height of the scale rod is adjusted, the bottom surface of the scale rod is just flush with the bottom surface of the bottom support plate, meanwhile, the bottom end of the scale rod is just at a zero scale mark position, a support plate is welded to the top of the scale rod, and the support plate and the corresponding limiting abutting block are fixed through screws; the design of the scale rod can be matched with the measuring rod to read the height of the guide sliding sleeve, so that the actual installation height of the guide plate can be conveniently measured and controlled, in addition, the bottom surface of the scale rod is flushed with the bottom support plate, the bottom end of the scale rod is just provided with zero scale, the bottom surface of the measuring rod is flushed with the bottom surface of the guide sliding sleeve, the scale corresponding to the bottom surface of the measuring rod on the scale rod is read, namely the height from the bottom surface of the guide sliding sleeve to the ground, the bottom surface of the folded plate is flushed with the bottom surface of the guide sliding sleeve, the height from the bottom surface of the folded plate to the top surface of the guide plate is a constant value, so that the value of the bottom surface of the measuring rod on the scale rod and the height from the bottom surface of the folded plate to the top surface of the guide plate are the final distance from the guide plate to the ground, the whole design is ingenious and reasonable, the measurement reading of the installation height of the guide plate is convenient, the length value of the steel pipe pile top surface exposed on the ground is controlled, the accurate plugging limit of the scale rod is realized through the limit penetrating groove on the measuring rod, the top of rethread top welding backup pad with scale bar and guide screw group is fixed, effectively ensures the installation fastness of scale bar.
Further, in the step 1) of the step b, after the bottom support plate is fixed with the ground through foundation screws, firstly installing a guide hopper, adjusting the position of the guide hopper, enabling an embedding groove at the bottom end of the guide hopper to correspond to an embedding block on the top surface of the bottom support plate, clamping the embedding block into the corresponding embedding groove, then installing a limiting disc on the top surface of the embedding block, and screwing a connecting rod on the limiting disc into a threaded hole on the top surface of the embedding block until the limiting disc is abutted against the guide hopper; the overall design is ingenious reasonable, the equipment is convenient simple, design through clamping groove and clamping piece realizes the accurate location joint between direction fill and the end extension board, it is spacing to deuterogamy spacing dish, guarantee the direction fill and the end installation fastness between the extension board, spacing dish passes through connecting rod cooperation screw hole and realizes screwing fixedly with the screw thread of clamping piece, the mounting means is simple and convenient, and adopt threaded connection effectively to guarantee the installation fastness of spacing dish, guarantee spacing abutting effect of spacing dish, design through installation direction fill, play a transition guide effect, can guide steel-pipe pile to pass end extension board conflict ground, the steel-pipe pile of being convenient for is fixed a position with the regulation of end extension board, end extension board guarantees that the steel-pipe pile driving in-process is the vertical direction all the time with the contact segment on ground, thereby effectively improve the whole straightness that hangs down of steel-pipe pile, construction quality is improved.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the invention has the advantages of ingenious and reasonable design, convenient and accurate positioning of the steel pipe pile and the pile position by adopting the design of the supporting and guiding device, ensured verticality of the steel pipe pile and convenient actual piling operation, the steel pipe pile is always limited and guided by the supporting and guiding device in the whole piling process, ensured verticality of the steel pipe pile from the beginning of piling to the end of piling, ensured consistent length extending from the top of the steel pipe pile to the ground after the piling is finished by limiting the guiding plate, effectively improved construction quality and construction speed, safe and convenient integral construction process, disassembly and reutilization of partial components of the supporting and guiding device after the piling is finished, simultaneously remained partial devices for assisting the steel pipe pile, further connection and fixation between the steel pipe pile and the ground are realized by the bottom support plate, effectively improved structural stability of the steel pipe pile and better structural safety performance, and the guide plates and the steel pipe piles are welded into a whole, so that the subsequent connection and fixation degree between the same group of steel pipe piles is facilitated.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of a position structure of a support guide device after the lifting adjustment of a steel pipe pile according to the present invention;
FIG. 2 is a schematic structural view of the steel pipe pile of the present invention being hoisted and placed through a guide plate;
FIG. 3 is a schematic structural view of a supporting and guiding device in the process of piling a steel pipe pile according to the present invention;
FIG. 4 is a structural diagram illustrating a state of the support guide device when the piling of the steel pipe pile is finished;
FIG. 5 is a schematic structural diagram of the steel pipe pile after piling is finished;
FIG. 6 is a schematic view of the structure of the support guide of the present invention;
FIG. 7 is a schematic bottom view of FIG. 6;
FIG. 8 is a schematic structural view of a top support plate according to the present invention;
FIG. 9 is a schematic view of an installation structure of a guide screw assembly, a guide sliding sleeve and a positioning base in the present invention;
FIG. 10 is a schematic structural diagram of a U-shaped groove on the guide slider according to the present invention;
FIG. 11 is a schematic view of the structure of the guide plate according to the present invention;
FIG. 12 is a schematic view of a bottom bracket plate according to the present invention;
FIG. 13 is a schematic view of the structure of the guide bucket of the present invention;
FIG. 14 is a schematic view of the installation structure of the bottom support plate and the guide bucket of the present invention.
In the figure: 1-supporting a guide; 2-a guide plate; 3-a bottom support plate; 4-a top support plate; 5-a guide screw group; 6-bottom guide hole; 7-positioning the base; 8-positioning grooves; 9-positioning the projection; 10-set screws; 11-a guide sliding sleeve; 12-a lead screw; 13-a fastening nut; 14-a sleeve; 15-a bolt assembly; 16-folding rods; 17-folding plates; 18-U-shaped groove; 19-a limit resisting block; 20-positioning a screw rod; 21-punching; 22-a clamping nut; 23-steel pipe piles; 24-a top guide hole; 25-guiding the hole; 26-a graduated rod; 27-a measuring rod; 28-limiting through grooves; 29-a support plate; 30-a fixing hole; 31-a guide hopper; 32-a retention slot; 33-a block of bits; 34-a limiting disc; 35-threaded hole.
Detailed Description
As shown in fig. 1 to 14, the construction method of the present invention for the land steel pipe pile in the comprehensive treatment of the bridge in the plain river comprises the following steps:
a. early construction: firstly, leveling a field according to a lofting position, and measuring and positioning a pile position after leveling is finished;
b. mounting of the support guide 1:
1) the supporting and guiding device 1 comprises a bracket body and a guide plate 2, the bracket body comprises a bottom support plate 3, a top support plate 4 and a guide screw group 5, the bottom support plate 3 is firstly installed, the position of the bottom support plate 3 is adjusted, so that a pile position is just positioned in a bottom guide hole 6 in the center of the bottom support plate 3, a foundation screw is inserted into a fixing hole 30 of the bottom support plate 3, and the bottom support plate 3 is fixed with the ground through the foundation screw;
after the bottom support plate 3 is fixed with the ground through foundation screws, firstly, installing a guide hopper 31, adjusting the position of the guide hopper 31, enabling a clamping groove 32 at the bottom end of the guide hopper 31 to correspond to a clamping block 33 on the top surface of the bottom support plate 3, clamping the clamping block 33 into the corresponding clamping groove 32, then installing a limiting disc 34 on the top surface of the clamping block 33, and screwing a connecting rod on the limiting disc 34 into a threaded hole 35 on the top surface of the clamping block 33 until the limiting disc 34 abuts against the guide hopper 31; the integral design is ingenious and reasonable, the assembly is convenient and simple, the accurate positioning clamping between the guide hopper 31 and the bottom support plate 3 is realized through the design of the embedded groove 32 and the embedded block 33, the limit of the limit disc 34 is matched, the installation firmness between the guide hopper 31 and the bottom support plate 3 is ensured, the limit disc 34 is screwed and fixed with the threads of the embedded block 33 through the connecting rod matched threaded hole 35, the installation mode is simple and convenient, the installation firmness of the limit disc 34 is effectively ensured by adopting threaded connection, the limit abutting effect of the limit disc 34 is ensured, a transition guide effect is realized through the design of the installation guide hopper 31, the steel pipe pile can be guided to penetrate through the bottom support plate 3 to abut against the ground, the adjustment and positioning of the steel pipe pile 23 and the bottom support plate 3 are convenient, the bottom support plate 3 ensures that the contact section with the ground in the steel pipe pile 23 piling process is always in the vertical direction, so that the integral verticality of the steel pipe pile 23 is effectively improved, the construction quality is improved;
the four side edges of the bottom support plate 3 are respectively provided with a positioning base 7, a positioning groove 8 on the positioning base 7 is clamped into a corresponding positioning bulge 9 on the bottom support plate 3, and the positioning base 7 and the bottom support plate 3 are further tightly propped and fixed through a set screw 10; the bottom support plate 3 is adjusted to ensure that the pile position is just positioned in the bottom guide hole 6 at the center of the bottom support plate 3, and the bottom guide hole 6 is matched with the steel pipe pile 23, so as to ensure that the pile driving point position of the subsequent steel pipe pile 23 is just positioned at the actual designed pile position, thereby effectively improving the construction quality, the bottom support plate 3 is fixedly installed on the ground through foundation screws, the installation firmness of the bottom support plate 3 is effectively ensured, the movement dislocation of the bottom support plate 3 is prevented, the support guide device 1 is ensured not to move in the subsequent pile driving process, the limit guide effect of the support guide device 1 on the steel pipe pile 23 is ensured, thereby the verticality in the pile driving process of the steel pipe pile 23 is ensured, the installation positioning base 7 can be convenient for the installation and fixation between the guide screw group 5 and the bottom support plate 3, and the accurate clamping positioning through the positioning groove 8 and the positioning bulge 9 is realized, and the accurate installation between the positioning base 7 and the bottom support plate 3 is realized, the positioning base 7 and the bottom support plate 3 are effectively ensured to be firmly installed through the limiting and fixing of the set screw 10, and the whole installation process is simple and convenient and is convenient to operate;
2) then, the guide screw groups 5 and the guide sliding sleeves 11 are installed in a one-to-one correspondence manner, the guide sliding sleeves 11 are sleeved on the guide screws 12 from the bottom ends of the guide screw groups 5, two fastening nuts 13 are screwed into the guide screws 12, and the two fastening nuts 13 are respectively positioned at the upper side and the lower side of the guide sliding sleeves 11; a guide sliding sleeve 11 is correspondingly installed on each guide screw group 5, the guide sliding sleeve 11 is sleeved on a guide screw 12 on each guide screw group 5, and then the guide sliding sleeve 11 is limited and fixed on the guide screw group 5 through the clamping and fixing of two fastening nuts 13 on each guide screw 12, and the mode is reasonable in design, the fastening nuts 13 can be unscrewed to adjust the height of the guide sliding sleeve 11 on the guide screw 12, so that the height of the guide plate 2 is adjusted, and finally, the length value of the steel pipe pile 23 exposed on the ground is adjusted, so that the length value meets the actual design requirement;
3) then the guide screw groups 5 and the positioning bases 7 are correspondingly arranged one by one, the bottom ends of the guide screws 12 are inserted into corresponding sleeves 14 on the positioning bases 7, and the guide screws 12 and the sleeves 14 are fixed through bolt assemblies 15; a guide screw group 5 is installed on each positioning base 7, a guide screw 12 on each guide screw group 5 is in inserted connection with a sleeve 14 on each positioning base 7 for limiting, and then the installation firmness between each bolt assembly 15 and each guide screw 12 is effectively ensured through further installation and fixation of the bolt assemblies 15, so that the installation mode is simple, and the assembly and disassembly are convenient;
4) after the guide screw group 5 and the positioning base 7 are installed, a scale rod 26 is installed on the guide sliding sleeve 11, a measuring rod 27 is arranged on the guide sliding sleeve 11, the bottom surface of the measuring rod 27 is flush with the bottom surface of the guide sliding sleeve 11, the scale rod 26 is inserted into a limiting through groove 28 on the measuring rod 27, the height of the bottom end of the scale rod 26 is adjusted, so that the bottom surface of the scale rod 26 is just flush with the bottom surface of the bottom support plate 3, meanwhile, the bottom end of the scale rod 26 is just at a zero scale mark position, a support plate 29 is welded at the top of the scale rod 26, and the support plate 29 and a corresponding limiting abutting block 19 are fixed through screws; the design of the scale rod 26 can be matched with the measuring rod 27 to read the height of the guide sliding sleeve 11, thereby being convenient for measuring and controlling the actual installation height of the guide plate 2, and because the bottom surface of the scale rod 26 is level with the bottom support plate 3, the bottom end of the scale rod 26 is just zero scale, the bottom surface of the measuring rod 27 is level with the bottom surface of the guide sliding sleeve 11, the scale corresponding to the bottom surface of the measuring rod 27 on the scale rod 26 is the height of the bottom surface of the guide sliding sleeve 11 from the ground, and the bottom surface of the folded plate is level with the bottom surface of the guide sliding sleeve 11, the height of the bottom surface of the folded plate from the top surface of the guide plate 2 is a constant value, thereby the value of the bottom surface of the measuring rod 27 on the scale rod 26 and the height value of the bottom surface of the folded plate from the top surface of the guide plate 2 are the final distance of the guide plate 2 from the ground, the whole design is ingenious and reasonable, thereby being convenient for measuring and reading the installation height of the guide plate 2, thereby controlling the length value of the top surface of the steel pipe pile 23 exposed on the ground, the accurate splicing and limiting of the scale rod 26 are realized through the limiting through groove 28 on the measuring rod 27, and the scale rod 26 is fixed with the top of the guide screw group 5 through the top end welding support plate 29, so that the mounting firmness of the scale rod 26 is effectively ensured;
5) installing a guide plate 2, wherein folding rods 16 are arranged on four side walls of the guide plate 2, a folded plate 17 is arranged at the end part of each folding rod 16, the folded plate 17 is just clamped in a U-shaped groove 18 on the corresponding guide sliding sleeve 11 by adjusting the position of the guide plate 2, the bottom surface of the folded plate 17 is flush with the bottom surface of the guide sliding sleeve 11 by adjusting the height of the folded plate 17, and the folded plate 17 and the guide sliding sleeve 11 are installed and fixed by screws; preliminary clamping limiting between the guide plate 2 and the guide sliding sleeve 11 is realized through the design of the folded plate 17 and the U-shaped groove 18, and then the height of the folded plate 17 is adjusted, so that the bottom surface of the folded plate 17 is flush with the bottom surface of the guide sliding sleeve 11, thereby facilitating subsequent measurement of the height of the guide plate 2, effectively ensuring the installation firmness between the guide plate 2 and the guide sliding sleeve 11 through screw fixation after the height adjustment, effectively ensuring the structural stability of the whole supporting and guiding device 1, and facilitating the subsequent limiting and guiding effect on the steel pipe pile 23;
6) installing a top support plate 4, arranging a limiting abutting block 19 at the top of the guide screw group 5, arranging a positioning screw 20 at the top of the limiting abutting block 19, adjusting the position of the top support plate 4 to enable a through hole 21 in the top support plate 4 to correspond to the positioning screw 20, enabling the positioning screw 20 to penetrate through the corresponding through hole 21 and extend to the top surface of the top support plate 4, and then installing a clamping nut 22 at the end part of the positioning screw 20 and screwing; the top support plate 4 connects the tops of the guide screw groups 5, so that the self structural strength of the support guide device 1 is more stable, meanwhile, the top support plate 4 can facilitate primary positioning between the steel pipe pile 23 and the support guide device 1 through a guide hole 25 in the center, accurate splicing connection between the top support plate 4 and the guide screw groups 5 is realized through the positioning screw 20 matched with a through hole 21, and then the top support plate 4 is matched with the abutting support of the limiting abutting block 19 to ensure that the top support plate 4 is installed in place and is matched with clamping and fixing of the clamping nut 22 to effectively ensure the installation firmness between the top support plate 4 and the guide screw groups 5;
c. piling operation of the steel pipe pile 23:
1) loosening the fastening nut 13, and adjusting the height of the guide sliding sleeve 11 on the guide screw 12, so as to adjust the actual height of the guide plate 2 until the height of the guide plate 2 from the ground is equal to the length value of the top surface of the designed steel pipe pile 23 which is higher than the ground; the installation height of the guide plate 2 is adjusted by adjusting the height of the limited guide sliding sleeve 11, so that the height of the guide plate 2 from the ground is the length of the top of the designed steel pipe pile 23 exposed on the ground, the length of the steel pipe pile 23 exposed on the ground can be controlled to be just the actually designed length after the pile driving is finished, and the pile driving precision and the construction quality are effectively improved;
2) slowly hoisting the steel pipe pile 23 to the position above the pile position through a hoisting device, adjusting the position of the steel pipe pile 23 to enable the bottom end of the steel pipe pile 23 to be just positioned in a guide hole 25 on the top surface of the top support plate 4, then sequentially lowering the steel pipe pile 23 downwards, further adjusting the position of the steel pipe pile 23 to enable the bottom end of the steel pipe pile 23 to penetrate through a top guide hole 24 on the guide plate 2 to move downwards, and continuing to move downwards through the limiting guide of the top guide hole 24 until the bottom end of the steel pipe pile 23 penetrates through a bottom guide hole 6 of the bottom support plate 3 to be abutted to the ground; the size of the guide hole 25 is larger than the outer diameter of the steel pipe pile 23, the position of the steel pipe pile 23 is preliminarily adjusted through the top support plate 4, the bottom end of the steel pipe pile 23 is located in the guide hole 25 firstly, the sizes of the top guide hole 24 and the bottom guide hole 6 are matched with the outer diameter of the steel pipe pile 23, therefore, after the top support plate 4 is preliminarily limited, an adjusting space of the steel pipe pile 23 is reserved, further adjustment is carried out, the steel pipe pile 23 is inserted into the top guide hole 24 and is guided in a limiting mode through the guide plate 2, the verticality of the steel pipe pile 23 in the downward moving process is guaranteed, meanwhile, the steel pipe pile 23 is guided in a limiting mode through the bottom guide hole 6 when being inserted into the ground, the verticality of the steel pipe pile 23 in the piling process is further guaranteed, and the construction quality is effectively improved;
3) hammering the steel pipe pile 23 until the top surface of the steel pipe pile 23 is flush with the top surface of the guide plate 2, and welding and fixing the guide plate 2 and the steel pipe pile 23; the height of the guide plate 2 is adjusted to ensure that the top surface of the steel pipe pile 23 is just flush with the guide plate 2 after the pile driving is finished, the length of the steel pipe pile 23 driven into the ground and the length exposed above the ground can be ensured, the construction quality is improved, meanwhile, the flatness of the top surface of the whole pile can be ensured by the flush of the guide plate 2 and the top surface of the steel pipe pile 23, the subsequent construction operation is facilitated, the guide plate 2 and the steel pipe pile 23 are fixedly integrated through welding and fixing, therefore, when the steel pipe piles 23 in the same group are connected in the subsequent process, a connecting rod is adopted to match with the guide plates 2 on the two steel pipe piles 23 to realize the connection, the connection between the two steel pipe piles 23 can be realized only by performing operations such as welding, drilling and the like on the guide plate 2, the operation on the surface of the steel pipe pile 23 is not needed, the steel pipe pile 23 is protected, and the actual operation can be facilitated;
4) disassembling screws between the folded plate 17 and the guide sliding sleeve 11, disassembling the bolt assembly 15, integrally disassembling the assembled combination of the top supporting plate 4 and the guide screw group 5, unscrewing the set screws 10, and taking the positioning base 7 down from the bottom supporting plate 3; the whole combination of assembling top supporting plate 4 and guide screw group 5 is dismantled and is recycled, resources are saved, pile driving operation of new supporting guide device matched with other steel pipe piles 23 can be assembled with other new guide plates 2 and bottom supporting plates 3, welding of the guide plates 2 and the steel pipe piles 23 are combined into a whole, the steel pipe piles 23 are convenient to connect and fix, the bottom supporting plates 3 are fixed by leaving matched foundation screws, and structural firmness of the steel pipe piles 23 can be improved.
The invention has the advantages of ingenious and reasonable design, convenient accurate positioning of the steel pipe pile 23 and the pile position by adopting the design of the supporting and guiding device 1, ensured verticality of the steel pipe pile 23 and convenient actual pile driving operation, the steel pipe pile 23 is always limited and guided by the supporting and guiding device 1 in the whole pile driving process, the verticality of the steel pipe pile 23 from the beginning to the end of the pile driving process is ensured, the length of the top of the steel pipe pile 23 extending out of the ground after the pile driving is ensured to be consistent by the limit of the guide plate 2, the construction quality and the construction speed are effectively improved, the whole construction process is safe and convenient, partial components of the supporting and guiding device 1 are disassembled and reused after the pile driving is finished, resources are saved, partial devices are remained to assist the steel pipe pile 23, the bottom support plate 3 realizes further connection and fixation between the steel pipe pile 23 and the ground, and the structural stability of the steel pipe pile 23 is effectively improved, the structure safety performance is better, the guide plate 2 and the steel pipe piles 23 are welded into a whole, and the connection fixing degree between the same group of steel pipe piles 23 is convenient to follow.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple variations, equivalent substitutions or modifications based on the present invention to achieve substantially the same technical effects are within the scope of the present invention.
Claims (2)
1. The construction method for the steel pipe pile on the continental land in the comprehensive treatment of the bridge construction of the plain river is characterized by comprising the following steps of:
a. early construction: firstly, leveling a field according to a lofting position, and then measuring and positioning a pile position after leveling is finished; b. Mounting a supporting and guiding device:
1) the supporting and guiding device comprises a bracket body and a guide plate, the bracket body also comprises a bottom support plate, a top support plate and a guide screw group, the bottom support plate is firstly installed, the position of the bottom support plate is adjusted, so that a pile position is just positioned in a bottom guide hole in the center of the bottom support plate, a foundation screw is inserted into a fixing hole of the bottom support plate, the bottom support plate is fixed with the ground through the foundation screw, positioning bases are respectively installed on four sides of the bottom support plate, positioning grooves on the positioning bases are clamped into corresponding positioning bulges on the bottom support plate, and the positioning bases and the bottom support plate are further abutted and fixed through fastening screws;
2) then, the guide screw groups and the guide sliding sleeves are installed in a one-to-one correspondence mode, the guide sliding sleeves are sleeved on the guide screws from the bottom ends of the guide screw groups, two fastening nuts are screwed into the guide screws, and the two fastening nuts are located on the upper side and the lower side of the guide sliding sleeves respectively; 3) the guide screw groups are installed in one-to-one correspondence with the positioning bases, the bottom ends of the guide screws are inserted into corresponding sleeves on the positioning bases, the guide screws are fixed with the sleeves through screw assemblies, after the guide screw groups and the positioning bases are installed, the guide sliding sleeves are provided with scale rods, the measuring rods are arranged on the guide sliding sleeves, the bottom surfaces of the measuring rods are flush with the bottom surfaces of the guide sliding sleeves, the scale rods are inserted into limiting through grooves on the measuring rods, the bottom heights of the scale rods are adjusted, the bottom surfaces of the scale rods are flush with the bottom surfaces of the bottom supporting plates, the bottom ends of the scale rods are just zero in scale height, then supporting plates are welded to the tops of the scale rods, and the supporting plates and the corresponding limiting abutting blocks are fixed through screws;
4) the guide plate is installed, folding rods are arranged on four side walls of the guide plate, folding plates are arranged at the end parts of the folding rods, the folding plates are just clamped in the U-shaped grooves on the corresponding guide sliding sleeves by adjusting the positions of the guide plate, the heights of the folding plates are adjusted to enable the bottom surfaces of the folding plates to be flush with the bottom surfaces of the guide sliding sleeves, and the folding plates and the guide sliding sleeves are installed and fixed through screws;
5) installing a top support plate, arranging a limiting abutting block at the top of the guide screw group, arranging a positioning screw at the top of the limiting abutting block, adjusting the position of the top support plate to enable a through hole in the top support plate to correspond to the positioning screw, enabling the positioning screw to penetrate through the corresponding through hole and extend to the top surface of the top support plate, and installing a clamping nut at the end part of the positioning screw and screwing;
c. piling the steel pipe pile:
1) loosening the fastening nut, and adjusting the height of the guide sliding sleeve on the guide screw rod, so as to adjust the actual height of the guide plate until the height of the guide plate from the ground is equal to the length value of the designed steel pipe pile top surface higher than the ground;
2) slowly hoisting the steel pipe pile above the pile position through a hoisting device, adjusting the position of the steel pipe pile to enable the bottom end of the steel pipe pile to be just positioned in a guide hole in the top surface of a top supporting plate, then sequentially lowering the steel pipe pile downwards, further adjusting the position of the steel pipe pile to enable the bottom end of the steel pipe pile to penetrate through a top guide hole in the guide plate to move downwards, and continuing to move downwards through the limiting guide of the top guide hole until the bottom end of the steel pipe pile penetrates through a bottom guide hole of the bottom supporting plate and abuts against the ground;
3) hammering the steel pipe pile until the top surface of the steel pipe pile is flush with the top surface of the guide plate, and welding and fixing the guide plate and the steel pipe pile;
4) the screws between the folded plate and the guide sliding sleeve are disassembled, then the bolt assembly is disassembled, the top support plate and the guide screw assembly are integrally disassembled, the set screws are unscrewed, and the positioning base is taken down from the bottom support plate.
2. The construction method of the steel pipe pile on the continental land for the comprehensive treatment of the bridge construction in the plain river according to claim 1, which is characterized in that: in the step 1) of the step b, after the bottom support plate is fixed with the ground through the foundation screws, the guide hopper is installed, the position of the guide hopper is adjusted, the clamping groove at the bottom end of the guide hopper corresponds to the clamping block on the top surface of the bottom support plate, the clamping block is clamped into the corresponding clamping groove, then the limiting disc is installed on the top surface of the clamping block, and the connecting rod on the limiting disc is screwed into the threaded hole on the top surface of the clamping block until the limiting disc is abutted against the guide hopper.
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| CN114411699A (en) * | 2021-12-24 | 2022-04-29 | 武汉一冶钢结构有限责任公司 | Auxiliary device for steel pipe pile construction and construction method |
| CN117536226B (en) * | 2024-01-09 | 2024-03-22 | 中建国际城市建设有限公司 | Deep water bridge pile foundation construction auxiliary device and construction technology thereof |
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| JPH02296915A (en) * | 1989-05-09 | 1990-12-07 | Fujiigumi:Kk | Construction method for steel pipe pile head connection part |
| CN109440762A (en) * | 2018-11-14 | 2019-03-08 | 浙江景昌建设有限公司 | A kind of construction method of drainage pumping plant bored concrete pile |
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| CN110144895A (en) * | 2019-04-11 | 2019-08-20 | 武汉船用机械有限责任公司 | Piling ancillary equipment |
| CN110158596A (en) * | 2019-06-18 | 2019-08-23 | 中国二冶集团有限公司 | Steel pipe pile driving construction guide-localization crosshead |
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| JPH02296915A (en) * | 1989-05-09 | 1990-12-07 | Fujiigumi:Kk | Construction method for steel pipe pile head connection part |
| CN209040121U (en) * | 2018-08-20 | 2019-06-28 | 信阳东骏节能建材科技有限公司 | A kind of hydraulic pile driver piling mechanism |
| CN109440762A (en) * | 2018-11-14 | 2019-03-08 | 浙江景昌建设有限公司 | A kind of construction method of drainage pumping plant bored concrete pile |
| CN110144895A (en) * | 2019-04-11 | 2019-08-20 | 武汉船用机械有限责任公司 | Piling ancillary equipment |
| CN110158596A (en) * | 2019-06-18 | 2019-08-23 | 中国二冶集团有限公司 | Steel pipe pile driving construction guide-localization crosshead |
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