CN114108677A - Precast pile with glass fiber reinforced bars and pile forming and connecting mode - Google Patents
Precast pile with glass fiber reinforced bars and pile forming and connecting mode Download PDFInfo
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- CN114108677A CN114108677A CN202111505418.4A CN202111505418A CN114108677A CN 114108677 A CN114108677 A CN 114108677A CN 202111505418 A CN202111505418 A CN 202111505418A CN 114108677 A CN114108677 A CN 114108677A
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- 239000003365 glass fiber Substances 0.000 title claims abstract description 50
- 230000002787 reinforcement Effects 0.000 claims abstract description 28
- 239000003822 epoxy resin Substances 0.000 claims abstract description 6
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000004744 fabric Substances 0.000 claims description 13
- 229920000742 Cotton Polymers 0.000 claims description 10
- 210000003205 muscle Anatomy 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 239000011152 fibreglass Substances 0.000 claims 2
- 239000004593 Epoxy Substances 0.000 claims 1
- 238000012856 packing Methods 0.000 claims 1
- 239000002689 soil Substances 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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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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- 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
- E02D5/52—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments
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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
- E02D5/52—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments
- E02D5/523—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments composed of segments
- E02D5/526—Connection means between pile segments
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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)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a pile forming and connecting mode for a precast pile configured with glass fiber reinforcements, which is characterized in that sleeves with certain length are sleeved at two ends of the glass fiber reinforcements, epoxy resin filled in the sleeves is utilized to be solidified between the sleeves and the glass fiber reinforcements, a certain amount of glass fiber reinforcements are uniformly and annularly arranged along the length direction of the precast tubular pile, and the precast tubular pile configured with the glass fiber reinforcements is poured.
Description
Technical Field
The invention relates to the technical field of building composite foundations, in particular to a pile forming and connecting mode of a precast pile provided with glass fiber reinforcements.
Background
The prefabricated pipe pile technology is widely applied to various soft soil composite foundation treatment projects along with the rapid development of economy in China. The connection of precast piles taking reinforcing steel bars as basic reinforcing steel bars in China mainly comprises various forms such as welding connection, mechanical connection, hoop type connection and the like, wherein the welding connection method in engineering is widely applied due to high construction speed. The glass fiber reinforcement has the advantages of high tensile strength, light dead weight, corrosion resistance, low manufacturing cost and the like, is widely applied to engineering, a precast pile taking the glass fiber reinforcement as a basic reinforcement material is developed, and the common connection mode in the engineering cannot be applied due to the fact that the glass fiber reinforcement has low shear strength and cannot be welded and extruded. Meanwhile, the precast tubular pile is under the action of large external impact load in the driving process, so that the pile top and the pile body are easy to damage, engineering technical problems such as easy inclination of the pile body and the like occur sometimes, and the rejection rate of the precast tubular pile is high.
The prefabricated tubular pile composite foundation generally adopts stake, pile cap, geogrid and mattress pad layer in the use to the pile cap that adopts is the great rigid pile cap of rigidity, and its effect lies in protecting the pile head in order to prevent that the pile head from breaking, and wherein geogrid and mattress pad layer that adopt constitute add the muscle pad layer. Because the bearing capacity of the pile is far greater than the upper load borne by the pile-net composite foundation, and the bearing capacity of the soil between the piles is far smaller than that of the pile, the deformation of the pile body part is originally smaller than that of the soil body part between the piles, and the deformation difference between the pile body part and the soil body part is more obvious under the action of long-term load. After long-term use, the deformation of the pile body part and the soil part between the piles is not coordinated, and the stability of the upper structure is seriously influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a pile forming and connecting mode for a precast pile with glass fiber reinforcements, and external loads are dispersedly transmitted to the pile end and the pile side, so that the pile end of the precast tubular pile is protected, the problem of incongruity of deformation of a pile body part and an inter-pile soil part is solved, and meanwhile, the shear-resistant bearing capacity between the prefabricated piles spliced up and down is resisted by utilizing a steel sleeve, so that the damage of the pile connecting part caused by low shear strength of the glass fiber reinforcements is avoided, the rejection rate of the precast tubular pile is reduced, and the bearing capacity and the stability of a composite foundation are improved.
In order to achieve the purpose, the invention provides the following technical scheme:
a pile forming mode of a precast pile with configured glass fiber reinforcements comprises a tubular pile, wherein eight perforated holes which are annularly arranged are formed in the top end of the tubular pile, a T-shaped cylinder is arranged in an inner cavity of the tubular pile, the T-shaped cylinder is divided into an upper circular ring and a lower circular ring, eight annularly arranged annular holes are formed in the upper circular ring, a head ring is sleeved at the position, close to the top end, of the outer side of the tubular pile, eight annularly arranged large circular holes and small circular holes are formed in the head ring, the large circular holes and the small circular holes are alternately arranged, eight perforated inner cavities are provided with glass fiber reinforcements, a plurality of positions, close to the top end, of the outer sides of the glass fiber reinforcements are sleeved with sleeves by filled epoxy resin, nuts are sleeved at the positions, close to the top end, of the outer sides of the sleeves, the bottoms of the glass fiber reinforcements penetrate through the adjacent small circular holes and the perforated inner cavities, and the nuts are installed in the adjacent annular hole inner cavities, the lower ring is wrapped by anti-shear cotton cloth and then inserted into the inner cavity of the tubular pile, and a first rubber pad is arranged above the T-shaped cylinder;
the tubular pile outside cover is equipped with the toper outer sleeve, just toper outer sleeve inner chamber is cylindrical, toper outer sleeve inner chamber is seted up there is the internal thread, the end ring outside is equipped with the external screw thread, just internal thread and external screw thread set up for intermeshing, toper outer sleeve top has the bowl form to hold and hits the board, the bowl form holds to hit the board inner chamber and is equipped with the high strength shear bolt that two bilateral symmetry set up, just the bowl form holds to hit the board and holds to hit board swing joint through two high strength shear bolts and bowl form.
Further, the pipe pile comprises a precast pipe pile, when the pipe pile is arranged at a preset position, the pipe pile is disassembled into a bowl-shaped impact bearing plate, a conical outer sleeve and a T-shaped cylinder, the bottom end of the precast pipe pile is fixedly connected with a lower circular ring, the bottom of the lower circular ring is provided with an annular bulge, sixteen through holes are formed in the precast pipe pile in annular arrangement, eight large blind holes and eight small blind holes are formed in the lower circular ring in annular arrangement, the large blind holes and the small blind holes are alternately arranged with each other, the large blind holes and the small blind holes are communicated with the through holes, the bottom end of the precast pipe pile is provided with a large sleeve, a thread groove is formed in an inner cavity of the large sleeve, a limit ring is fixedly connected to the position, close to the top, of the inner cavity of the large sleeve, the precast pipe pile is positioned above the pipe pile, eight nuts are installed at the bottom of the lower circular ring, and the eight nuts are positioned at the bottoms of the adjacent small blind holes, eight nuts of end ring top installation, eight the nut is located adjacent small circle hole top, is located upside and downside eight the nut inner chamber all installs sleeve and glass fiber muscle, is located the top eight nut, sleeve and glass fiber muscle bottom are all pegged graft at adjacent big round hole inner chamber, and eight nuts, sleeve and glass fiber muscle (2) tops that are located the below are all pegged graft at adjacent big blind hole inner chamber, big sleeve cup joints in the end ring outside, just thread groove sets up for intermeshing with the external screw thread, the spacing ring sets up for laminating each other with the annular arch of lower ring bottom, there are a plurality of circular stirrup at toper outer sleeve top.
Further, the top laminating of precast tubular pile has the second rubber pad, two the toper outer sleeve is all run through to the high strength shear bolt bottom, two the second rubber pad is all run through to the high strength shear bolt bottom, the high strength shear bolt outside is close to top fixedly connected with diagonal brace, two the common outside cover in diagonal brace outside is equipped with a plurality of circular stirrups, and is a plurality of be equipped with steel screen cloth between the circular stirrups jointly.
A pile forming method and a connecting method step for a prefabricated column configured with glass fiber reinforcement comprise the following steps:
s1: sleeving sleeves with certain lengths at two ends of the glass fiber reinforcement, solidifying the sleeves and the glass fiber reinforcement by using filled epoxy resin, uniformly and annularly arranging a certain amount of glass fiber reinforcement along the length direction of the prefabricated tubular pile, and pouring to form the prefabricated tubular pile with the glass fiber reinforcement;
s2: the pile head of the tubular pile is sleeved with a T-shaped cylinder, a lower ring of the T-shaped cylinder is wrapped by anti-shear cotton cloth and then inserted into the inner diameter of the tubular pile, a rubber pad is arranged above the T-shaped cylinder, a conical outer sleeve is sleeved on the pile head of the tubular pile, and the lower part of the top end of the precast pile is wrapped by the anti-shear cotton cloth;
s3: connecting a bowl-shaped impact bearing plate to the upper part of the conical outer sleeve to form an upper part hammering steel pile cap of the precast tubular pile, hoisting the precast tubular pile provided with the upper part hammering steel pile cap to a specified driving position, and driving the precast tubular pile to a preset position by a pile driver;
s4: and (3) dismounting the bowl-shaped impact bearing plate, the conical outer sleeve and the T-shaped barrel at the top end of the precast pile, mounting the bowl-shaped impact bearing plate, the conical outer sleeve and the T-shaped barrel above the precast tubular pile after the precast tubular pile is mounted, and driving the precast tubular pile to a preset position by a pile driver.
S5: and replacing and connecting the upper hammering steel pile cap into a flexible pile cap to complete pile forming construction.
Compared with the prior art, the invention has the beneficial effects that:
1. the rigid pile cap is arranged at the pile end of the precast tubular pile, the flexible pile cap is convenient to disassemble and install, the manufacturing is simple and easy, the speed is high, and the bowl-shaped impact bearing plate can be repeatedly used;
2. the invention arranges the rigid pile cap and the flexible pile cap at the pile end of the precast tubular pile, can share the impact force of the pile driver and the external load force at the use stage through the bearing capacity of the pile end and the bearing capacity of the pile side at the construction stage, avoids the damage caused by overlarge bearing capacity of the pile end,
3. the bowl-shaped impact bearing plate is arranged at the upper part of the rigid pile cap, so that the problems that the local bearing capacity of the prefabricated pipe pile is large and the pile end is easy to damage due to stress concentration caused by the deviation of the force application point position of the pile head when a pile driver is arranged can be solved;
4. the conical outer sleeve and the T-shaped sleeve can effectively wrap the pile head of the precast pile, so that the problem of damage to the pile head caused by overlarge impact force of a pile driver is avoided;
5. the inter-pile connection mode fully utilizes the characteristic of high shear strength of the steel sleeve, and avoids the problems of low bearing capacity of a pile foundation and the like caused by inter-pile displacement caused by low shear strength of the glass fiber reinforcement.
Drawings
FIG. 1 is a schematic view of a tubular pile structure according to the present invention;
FIG. 2 is an exploded view of the tubular pile structure of the present invention;
FIG. 3 is a schematic structural view of a precast tubular pile according to the present invention;
FIG. 4 is a schematic view of the connection between the prefabricated pipe pile and the pipe pile of the present invention;
figure 5 is a top view of a steel screen of the present invention.
Reference numbers in the figures: 1. a tubular pile; 2. a glass fiber rib; 3. a conical outer sleeve; 4. a high-strength shear bolt; 5. a bowl-shaped impact bearing plate; 6. a diagonal brace; 7. a first rubber pad; 8. a circular stirrup; 9. shearing-resistant cotton cloth; 10. a steel screen; 11. a tip ring; 12. a sleeve; 13. a nut; 14. a T-shaped barrel; 14a, an upper ring; 14b, a lower ring; 15. prefabricating a tubular pile; 16. a lower circular ring; 17. a second rubber pad; 18. a large sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a pile forming method of a precast pile provided with glass fiber reinforcements comprises a pipe pile 1, eight through holes which are arranged in an annular mode are formed in the top end of the pipe pile 1, a T-shaped cylinder 14 is arranged in an inner cavity of the pipe pile 1, the T-shaped cylinder 14 is divided into an upper circular ring 14a and a lower circular ring 14b, eight annular arranged annular holes are formed in the upper circular ring 14a, a head ring 11 is sleeved on the outer side of the pipe pile 1 close to the top end, eight large circular holes and small circular holes which are arranged in an annular mode are formed in the head ring 11, the large circular holes and the small circular holes are arranged alternately, glass fiber reinforcements 2 are arranged in eight through hole inner cavities, sleeves 12 are sleeved on the outer side of the glass fiber reinforcements 2 close to the top end by filled epoxy resin, nuts 13 are sleeved on the outer side of the sleeves 12 close to the top end, the bottoms of the glass fiber reinforcements 2 penetrate through the adjacent small circular holes and the through hole inner cavities, a plurality of nuts 13 are arranged in the inner cavities of the adjacent annular holes, the lower annular ring 14b is wrapped by the anti-shear cotton cloth 9 and then inserted into the inner cavity of the tubular pile 1, and a first rubber pad 7 is arranged above the T-shaped cylinder 14;
the outer side of the tubular pile 1 is sleeved with a conical outer sleeve 3, an inner cavity of the conical outer sleeve 3 is cylindrical, an inner thread is formed in an inner cavity of the conical outer sleeve 3, an outer thread is arranged on the outer side of the end ring 11, the inner thread and the outer thread are arranged in a meshed mode, a bowl-shaped impact bearing plate 5 is arranged at the top of the conical outer sleeve 3, a high-strength shear bolt 4 which is arranged in a bilateral symmetry mode is arranged in an inner cavity of the bowl-shaped impact bearing plate 5, and the bowl-shaped impact bearing plate 5 is movably connected with the bowl-shaped impact bearing plate 5 through the two high-strength shear bolts 4.
Comprises a precast tubular pile 15, when the tubular pile 1 is arranged at a preset position, a bowl-shaped impact bearing plate 5, a conical outer sleeve 3 and a T-shaped barrel 14 are dismounted, the bottom end of the precast tubular pile 15 is fixedly connected with a lower ring 16, the bottom of the lower ring 16 is arranged in an annular bulge, sixteen through holes are arranged on the precast tubular pile 15 in an annular arrangement, eight large blind holes and eight small blind holes which are arranged in an annular arrangement are arranged on the lower ring 16 and are arranged alternately, a plurality of the large blind holes and the small blind holes are communicated with the through holes, a large sleeve 18 is arranged at the bottom end of the precast tubular pile 15, a thread groove is arranged in the inner cavity of the large sleeve 18, a limit ring is fixedly connected to the position, close to the top, of the inner cavity of the large sleeve 18, the precast tubular pile 15 is positioned above the tubular pile 1, eight nuts 13 are arranged at the bottom of the lower ring 16, the eight nuts 13 are positioned at the bottom of the adjacent small blind holes, and eight nuts 13 are arranged at the top of the end head ring 11, eight nuts 13 are located adjacent small circle hole top, eight nut inner chambers that are located upside and downside all install sleeve 12 and glass fiber muscle 2, be located eight nuts 13 of top, 2 bottoms of sleeve 12 and glass fiber muscle are all pegged graft at adjacent big round hole inner chamber, eight nuts 13 that are located the below, sleeve 12 and glass fiber muscle (2) top are all pegged graft at adjacent big blind hole inner chamber, big sleeve 18 cup joints in the end ring 11 outside, and thread groove and external screw thread set up for intermeshing, the spacing ring sets up for laminating each other with the annular arch of ring 16 bottom down, there are a plurality of circular stirrup 8 at 3 tops of toper outer sleeve.
The top laminating of precast tubular pile 15 has second rubber pad 17, and two 4 bottoms of the bolt that shears that excel in all run through toper outer sleeve 3, and two 4 bottoms of the bolt that shears that excel in all run through second rubber pad 17, and the bolt that excels in 4 outsides are close to top fixedly connected with diagonal brace 6, and the common outside cover in two diagonal brace 6 outsides is equipped with a plurality of circular stirrups 8 jointly, and is equipped with steel screen cloth 10 between a plurality of circular stirrups 8 jointly.
A pile forming method and a connecting method step for a prefabricated column configured with glass fiber reinforcement comprise the following steps:
s1: sleeving sleeves 12 with certain lengths at two ends of a glass fiber rib 2 in a sleeving manner, solidifying the sleeves 12 and the glass fiber rib 2 by using filled epoxy resin, uniformly and annularly arranging a certain number of glass fiber ribs 2 along the length direction of the precast tubular pile 1, and pouring to form the precast tubular pile 1 with the glass fiber ribs 2;
s2: the pile head of the tubular pile 1 is sleeved with a T-shaped cylinder 14, a lower ring 14b of the T-shaped cylinder 14 is wrapped by anti-shear cotton cloth and then inserted into the inner diameter of the tubular pile 1, a rubber pad 7 is arranged above the T-shaped cylinder 14, a conical outer sleeve 3 is sleeved on the pile head of the tubular pile 1, and the lower part of the top end of the precast pile 1 is wrapped by the anti-shear cotton cloth;
s3: connecting a bowl-shaped impact bearing plate 5 to the upper part of the conical outer sleeve 3 to form an upper impact steel pile cap of the precast tubular pile 1, hoisting the precast tubular pile provided with the upper impact steel pile cap to a specified impact position, and then impacting the precast tubular pile to a preset position by a pile driver;
s4: the bowl-shaped impact bearing plate 5, the conical outer sleeve 3 and the T-shaped barrel 14 at the top end of the precast pile 1 are detached, after the precast tubular pile 21 is installed, the bowl-shaped impact bearing plate 5, the conical outer sleeve 3 and the T-shaped barrel 14 are installed above the precast tubular pile 21, and the precast tubular pile is driven to a preset position by a pile driver;
s5: and replacing and connecting the upper hammering steel pile cap into a flexible pile cap to complete pile forming construction.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a configuration glass fiber reinforcement's precast pile's stake mode of forming, includes tubular pile (1), its characterized in that: the perforation of eight annular arrangements is seted up in tubular pile (1) top department, tubular pile (1) inner chamber has a T shape section of thick bamboo (14), T shape section of thick bamboo (14) divide into upper portion ring (14 a) and lower part ring (14b), just eight annular arrangement annular holes have been seted up on upper portion ring (14 a), the tubular pile (1) outside is close to top department cover and is equipped with end ring (11), just big round hole and the small circle hole of eight annular arrangements have been seted up on end ring (11), and a plurality of big round hole and small circle hole are mutual alternative setting, eight the perforation inner chamber all is equipped with glass fiber muscle (2), and a plurality of glass fiber muscle (2) outside is close to top department and all utilizes the epoxy of packing to cup joint sleeve (12), and a plurality of the sleeve (12) outside is close to top department and all overlaps and is equipped with nut (13), and a plurality of glass fiber muscle (2) bottom all runs through adjacent little and perforation inner chamber, the nuts (13) are all arranged in the inner cavities of the adjacent annular holes, the lower annular ring (14b) is wrapped by shear-resistant cotton cloth (9) and then is inserted into the inner cavity of the tubular pile (1), and a first rubber pad (7) is arranged above the T-shaped cylinder (14);
tubular pile (1) outside cover is equipped with toper outer sleeve (3), just toper outer sleeve (3) inner chamber is cylindrical, toper outer sleeve (3) inner chamber is seted up there is the internal thread, the end ring (11) outside is equipped with the external screw thread, just the internal thread sets up for intermeshing with the external screw thread, toper outer sleeve (3) top has the bowl form to hold and hits board (5), the bowl form holds to hit board (5) inner chamber and is equipped with the high strength shear bolt (4) that two bilateral symmetry set up, just the bowl form holds to hit board (5) and holds to hit board (5) swing joint through two high strength shear bolts (4) and bowl form.
2. The prefabricated column connecting mode provided with the glass fiber reinforced plastic bars comprises prefabricated tubular piles (15) and is characterized in that: when preset position is hit to tubular pile (1), bowl form holding plate (5), toper outer sleeve (3) and T shape section of thick bamboo (14) are lifted off, ring (16) under precast tubular pile (15) bottom fixedly connected with, just ring (16) bottom sets up for annular protrusion down, set up sixteen annular arranged's through-hole on precast tubular pile (15), set up eight annular arranged's big blind hole and little blind hole down on ring (16), big blind hole and little blind hole set up for each other in turn, and a plurality of big blind hole and little blind hole all link up the setting with the through-hole for each other, there is big sleeve (18) prefabricated tubular pile (15) bottom, thread groove has been seted up to big sleeve (18) inner chamber, just big sleeve (18) inner chamber is close to top fixedly connected with spacing ring, just precast tubular pile (15) is located the top of tubular pile (1), eight nuts (13) are arranged at the bottom of the lower ring (16), the eight nuts (13) are positioned at the bottoms of the adjacent small blind holes, the top of the end ring (11) is provided with the eight nuts (13), the eight nuts (13) are positioned above the adjacent small round holes, the eight nut inner cavities positioned at the upper side and the lower side are respectively provided with a sleeve (12) and a glass fiber rib (2), the bottom ends of the eight nuts (13), the sleeve (12) and the glass fiber rib (2) positioned at the upper side are respectively inserted into the inner cavities of the adjacent large round holes, the top ends of the eight nuts (13), the sleeve (12) and the glass fiber rib (2) positioned at the lower side are respectively inserted into the inner cavities of the adjacent large blind holes, the large sleeve (18) is sleeved on the outer side of the end ring (11), the thread groove and the external thread are mutually meshed, and the annular bulge at the bottom of the limit ring and the lower ring (16) is mutually jointed, the top of the conical outer sleeve (3) is provided with a plurality of circular stirrups (8).
3. The structural form of the conical outer sleeve (3) connecting the circular stirrups (8) according to claim 2, characterized in that: the top laminating of precast tubular pile (15) has second rubber pad (17), two the toper outer sleeve (3) all runs through in high strength shear bolt (4) bottom, two the second rubber pad (17) all runs through in high strength shear bolt (4) bottom, the shear bolt (4) that excels in is close to top fixedly connected with diagonal brace (6) in the outside, two the common outside cover in diagonal brace (6) outside is equipped with a plurality of circular stirrup (8), and is a plurality of be equipped with steel screen cloth (10) between circular stirrup (8) jointly.
4. The method for forming the precast column and the connecting method for the glass fiber reinforced plastic according to any one of claims 1 to 3, which is characterized by comprising the following steps:
s1: sleeving sleeves (12) with certain lengths at two ends of a glass fiber rib (2), solidifying the sleeves (12) and the glass fiber rib (2) by using filled epoxy resin, uniformly and annularly arranging a certain number of glass fiber ribs (2) along the length direction of the precast tubular pile (1), and pouring to form the precast tubular pile (1) provided with the glass fiber ribs (2);
s2: the pile head of the tubular pile (1) is sleeved with a T-shaped cylinder (14), a lower ring (14b) of the T-shaped cylinder (14) is wrapped by anti-shear cotton cloth and then inserted into the inner diameter of the tubular pile (1), a rubber pad (7) is arranged above the T-shaped cylinder (14), a conical outer sleeve (3) is sleeved on the pile head of the tubular pile (1), and the lower part of the top end of the precast pile (1) is wrapped by the anti-shear cotton cloth;
s3: the upper part of the conical outer sleeve (3) is connected with a bowl-shaped impact bearing plate (5) to form an upper hammering steel pile cap of the precast tubular pile (1), and after the precast tubular pile provided with the upper hammering steel pile cap is hoisted to a specified driving position, the precast tubular pile is driven to a preset position by a pile driver;
s4: the bowl-shaped impact bearing plate (5), the conical outer sleeve (3) and the T-shaped barrel (14) at the top end of the precast pile (1) are dismounted, after the precast tubular pile (21) is installed, the bowl-shaped impact bearing plate (5), the conical outer sleeve (3) and the T-shaped barrel (14) are installed above the precast tubular pile (21), and the precast tubular pile is driven to a preset position by a pile driver;
s5: and replacing and connecting the upper hammering steel pile cap into a flexible pile cap to complete pile forming construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111505418.4A CN114108677A (en) | 2021-12-10 | 2021-12-10 | Precast pile with glass fiber reinforced bars and pile forming and connecting mode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111505418.4A CN114108677A (en) | 2021-12-10 | 2021-12-10 | Precast pile with glass fiber reinforced bars and pile forming and connecting mode |
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| CN114108677A true CN114108677A (en) | 2022-03-01 |
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| CN202111505418.4A Pending CN114108677A (en) | 2021-12-10 | 2021-12-10 | Precast pile with glass fiber reinforced bars and pile forming and connecting mode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324037A (en) * | 2022-09-13 | 2022-11-11 | 六安市永固管桩建材有限公司 | High-bearing-capacity pipe pile material proportioning method and high-bearing-capacity pipe pile |
Citations (12)
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