CN114439061B - Reinforced structure of pile foundation of filling pile and construction method thereof - Google Patents
Reinforced structure of pile foundation of filling pile and construction method thereof Download PDFInfo
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- CN114439061B CN114439061B CN202210032763.9A CN202210032763A CN114439061B CN 114439061 B CN114439061 B CN 114439061B CN 202210032763 A CN202210032763 A CN 202210032763A CN 114439061 B CN114439061 B CN 114439061B
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- 238000010276 construction Methods 0.000 title description 7
- 239000004567 concrete Substances 0.000 claims abstract description 98
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 31
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 21
- 230000002787 reinforcement Effects 0.000 claims description 130
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 238000001125 extrusion Methods 0.000 claims description 14
- 239000004575 stone Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 17
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 14
- 239000002689 soil Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D37/00—Repair of damaged foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
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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
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
Abstract
The invention discloses a reinforcing and reinforcing structure of a pile foundation of a filling pile, which relates to the technical field of pile foundation reinforcing equipment and adopts the technical scheme that: the reinforced concrete pile comprises a base, wherein a main foundation pit is formed in the surface of the base, a filling pile is arranged in the main foundation pit, four auxiliary foundation pits are symmetrically formed in the surface of the main foundation pit, the auxiliary foundation pits are uniformly distributed around the filling pile, a circular ring foundation pit is formed in the outer side of the main foundation pit, a trapezoid foundation pit is formed in the outer side of the circular ring foundation pit, a reinforced concrete frame assembly is fixedly installed on the inner wall of the trapezoid foundation pit, the reinforced concrete frame assembly comprises a trapezoid sleeve frame, a trapezoid groove frame I is uniformly and fixedly installed on the outer wall of the trapezoid sleeve frame, the reinforcing support frame assembly is arranged, the lantern rings are sleeved on the outer wall of the filling pile, then the reinforcing support frame assembly and the reinforcing concrete frame assembly are matched for use, the bearing performance of the filling pile is reinforced through the reinforcing concrete frame assembly, and the supporting performance of the filling pile is improved.
Description
Technical Field
The invention relates to the technical field of pile foundation reinforcement equipment, in particular to a pile foundation reinforcement structure of a cast-in-place pile and a construction method thereof.
Background
The bored concrete pile is that it is directly to open a hole on the pile position of designing, its cross-section is circular, adds in the downthehole reinforcement cage of putting after the pore-forming, and the bored concrete is got after filling concrete, and it is used for urban construction, in urban construction engineering, it all needs a large amount of bored concrete piles to carry out the bearing to build building, bridge etc. to improve the stability of building, but in the work progress, because misoperation or calculation mistake lead to the bored concrete pile intensity of building to not satisfy the user demand, usually need rebuild the bored concrete pile, perhaps strengthen the bored concrete pile for the bored concrete pile satisfies the user demand.
The prior art has the following defects: the prior filling pile foundation reinforcing structure mainly comprises concrete and reinforcing ribs, and lacks reinforcing structures in the actual operation process, so that the strength of the concrete is limited, the prior incomplete filling pile reinforcing structure cannot have a remarkable effect, and the defects are overcome.
Therefore, the invention is necessary to provide a reinforced structure for pile foundation of the filling pile.
Disclosure of Invention
Therefore, the invention provides a pile foundation reinforcement structure of a cast-in-place pile, which is characterized in that a reinforcement support frame assembly is arranged, a sleeve ring is sleeved on the outer wall of the cast-in-place pile, then the reinforcement support frame assembly and a reinforcement concrete frame assembly are matched for use, the bearing performance of the cast-in-place pile is reinforced through the reinforcement concrete frame assembly, concrete is filled in a concrete bin, and the supportability of the cast-in-place pile is improved, so that the problem in the background technology is solved.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a bored concrete pile foundation reinforcement reinforced structure, includes the base, main foundation ditch is seted up to the base surface, main foundation ditch inside is equipped with the bored concrete pile, four supplementary foundation ditch are seted up to main foundation ditch surface symmetry, supplementary foundation ditch evenly distributed is around the bored concrete pile, the ring foundation ditch is seted up in the main foundation ditch outside, the trapezoidal foundation ditch is seted up in the ring foundation ditch outside, trapezoidal foundation ditch inner wall fixed mounting consolidates concrete frame subassembly, consolidate concrete frame subassembly includes ladder sleeve frame, ladder sleeve frame outer wall even fixed mounting ladder-shaped groove frame one, ladder-shaped groove frame one is equipped with four, four ladder-shaped groove frame one is used with trapezoidal foundation ditch cooperation installation, consolidate concrete frame subassembly top fixed connection and consolidate the support frame subassembly, consolidate the support frame subassembly and include lantern ring, ladder-shaped groove frame two and right trapezoid backup pad, the lantern ring cup joints on the bored concrete pile outer wall, the ladder-shaped groove frame two sets of two is equipped with four sets of ladder-shaped groove frame two evenly install on the lantern ring outer wall, four sets of ladder-shaped groove frame two sets of two-shaped groove frame one are connected with ladder sleeve frame outer wall fixed mounting, one is equipped with one-to-one, one pile outer wall fixed mounting cage and one is located two-to assist steel bar cage inside steel bar cage, two-shaped steel bar cage inside the foundation ditch.
Preferably, a trapezoid groove is formed in the top of the trapezoid groove frame, fastening bolts are uniformly arranged on the inner wall of the bottom of the trapezoid groove, and penetrate through the trapezoid groove and are fixedly connected with the surface of the trapezoid foundation pit.
Preferably, four groups of steel plate connecting rods are uniformly arranged on the inner wall of the trapezoid groove, the horizontal distance between the steel plate connecting rods is millimeter, the vertical distance between the steel plate connecting rods is millimeter, the inner wall of the ladder sleeve frame is provided with a ladder sleeve groove, and the inner wall of the ladder sleeve groove is filled with concrete.
Preferably, the four groups of trapezoid groove frames are fixedly connected with extrusion cones at the bottoms of the trapezoid groove frames, the body parts of the extrusion cones are cylindrical, and the bottoms of the extrusion cones are conical.
Preferably, the second bottom of the trapezoid groove frame is provided with a concrete bin, the concrete bin is communicated with the trapezoid groove, concrete is poured on the inner wall of the concrete bin and the trapezoid groove, the second top of the trapezoid groove frame is uniformly provided with expansion bolts, the bottoms of the expansion bolts extend to the inside of the trapezoid groove, and the bottom ends of the expansion bolts are fixedly connected with the inner wall of the concrete.
Preferably, the joint of the trapezoid groove frame II and the lantern ring is provided with a flow hole, and the concrete overflows and fills the gap of the inner wall of the lantern ring through the flow hole.
Preferably, two right trapezoid support plates are symmetrically and fixedly installed on the front and back of the top of the trapezoid groove frame II, and the right end outer walls of the two right trapezoid support plates are fixedly connected with the outer walls of the lantern rings.
Preferably, the first reinforcement cage is sleeved on the outer wall of the bored concrete pile, the first reinforcement cage comprises a first reinforcement rib, the first reinforcement rib is arranged in a surrounding mode, the left-right interval of the first reinforcement rib is 100 mm, the second reinforcement rib is arranged on the inner side of the first reinforcement rib and distributed in a surrounding mode, the left-right interval of the second reinforcement rib is 80 mm, a first reinforcement ring is welded between the first reinforcement rib and the second reinforcement rib, and the interval between adjacent reinforcement rings is 300 mm.
Preferably, the second reinforcement cage is provided with four groups, the four groups are fixedly installed inside the four groups of auxiliary foundation pits respectively, the second reinforcement cage comprises third reinforcement ribs, the third reinforcement ribs are distributed in a surrounding mode, the third reinforcement ribs are adjacent to each other, the third reinforcement ribs are arranged at intervals of 250 mm, the fourth reinforcement ribs are arranged on the inner side of the third reinforcement ribs, the fourth reinforcement ribs are distributed in a surrounding mode, the fourth reinforcement ribs are adjacent to each other, the fourth reinforcement ribs are arranged at intervals of 150 mm, the second reinforcement rings are welded between the third reinforcement ribs and the outer walls of the fourth reinforcement ribs, the second reinforcement rings are adjacent to each other, the intervals of the second reinforcement rings are 150 mm, and concrete is evenly poured inside the first reinforcement cage and the second reinforcement cage.
A construction method of a pile foundation reinforcement structure of a cast-in-place pile comprises the following specific operation steps:
s1: uniformly forming four groups of auxiliary foundation pits on the periphery of the outer side of a main foundation pit, compacting the bottoms and the side walls of the four groups of auxiliary foundation pits, then internally installing a second reinforcement cage, filling broken stone on the periphery of the outer wall of the second reinforcement cage, spraying water in the broken stone to fully wet the broken stone, and then performing jet grouting concrete by penetrating a concrete filling pipe into the auxiliary foundation pit until the second reinforcement cage is fully covered;
s2: the method comprises the steps of forming a trapezoid foundation pit around an auxiliary foundation pit through a static pressure process, sleeving a reinforced concrete frame assembly on the outer wall of a cast-in-place pile, sleeving a ladder sleeve frame on the outer wall of the cast-in-place pile, inserting four groups of first trapezoid-shaped groove frames into the trapezoid foundation pit in a matched mode, uniformly installing fastening bolts at the tops of the four groups of first trapezoid-shaped groove frames, fixing the first trapezoid-shaped groove frames into the trapezoid foundation pit, inserting the bottoms of the fastening bolts into the trapezoid foundation pit, and inserting an extrusion cone into the trapezoid foundation pit;
s3: uniformly and fixedly mounting a steel plate connecting rod on the inner wall of the first trapezoid groove frame, reinforcing the first trapezoid groove frame, and then pouring concrete in the stepped sleeve groove and the trapezoid groove to enable the trapezoid groove to cover the steel plate connecting rod and the fastening bolt;
s4: the reinforced support frame assembly is sleeved on the outer wall of the cast-in-place pile through the lantern ring, the second trapezoid groove frame is aligned with the first trapezoid groove frame one by one, the first steel reinforcement cage is sleeved on the outer wall of the cast-in-place pile, concrete is filled in the concrete bin, the first trapezoid groove frame and the lantern ring are filled with concrete, and then the expansion bolts are uniformly arranged at the top of the second trapezoid groove frame, so that the bottoms of the expansion bolts are inserted into the concrete.
The beneficial effects of the invention are as follows:
1. the auxiliary foundation pit is uniformly arranged on the periphery of the main foundation pit, the second reinforcement cage is filled in the auxiliary foundation pit, concrete is filled in the second reinforcement cage, and after the concrete is solidified, soil around the cast-in-place pile can be compacted and reinforced, so that the soil running water around the cast-in-place pile is prevented from generating soft soil, and the safety of the surrounding environment of the cast-in-place pile is improved;
2. the reinforced concrete frame assembly is arranged, the stepped sleeve frame is sleeved on the outer wall of the cast-in-place pile, the outer wall of the cast-in-place pile is structurally supported, the extrusion cone and the fastening bolt are arranged at the bottom of the first stepped groove frame for fixing, so that the stability of the reinforced concrete frame assembly is improved, concrete is poured in the stepped groove, the periphery of the outer wall of the cast-in-place pile is reinforced, the outer wall of the cast-in-place pile is reinforced by the concrete, and meanwhile, the cast-in-place pile is reinforced by the reinforced concrete frame assembly, the side tilting risk of the cast-in-place pile is reduced, and the stability and the supportability of the cast-in-place pile structure are greatly improved;
3. through setting up the reinforcement support frame assembly, through cup jointing the lantern ring on the cast-in-place pile outer wall, then use reinforcement support frame assembly and reinforcement concrete frame assembly, strengthen the bearing performance of the cast-in-place pile through the reinforcement concrete frame assembly, and pack the concrete in the concrete storehouse, has improved the supportability of the cast-in-place pile;
3. through setting up trapezoidal foundation ditch and trapezoidal channel frame one, trapezoidal channel frame two cooperation uses, improved the supportability of bored concrete pile, reduced the bored concrete pile and taken place the risk of side to roll, improved the stability of bored concrete pile.
Drawings
FIG. 1 is a top view of the present invention;
fig. 2 is a schematic diagram of the installation of a reinforcement cage assembly provided by the invention;
FIG. 3 is a top view of a reinforcement cage assembly according to the present invention;
FIG. 4 is a bottom view of a reinforcement cage assembly according to the present invention;
fig. 5 is a schematic diagram of a second structure of the reinforcement cage provided by the invention;
FIG. 6 is a schematic view of a reinforced concrete frame assembly mounting structure provided by the present invention;
FIG. 7 is a top view of a reinforced concrete frame assembly provided by the present invention;
FIG. 8 is a bottom view of a reinforced concrete frame assembly according to the present invention;
fig. 9 is a plan view of a trapezoid foundation pit provided by the invention.
In the figure: base 100, main foundation pit 110, cast-in-place pile 120, trapezoid foundation pit 130, circular foundation pit 140, auxiliary foundation pit 150, reinforced concrete frame assembly 200, ladder sleeve frame 210, ladder-shaped groove frame one 220, extrusion cone 230, ladder-shaped groove 240, fastening bolt 250, steel plate connecting rod 260, ladder sleeve 270, reinforced support frame assembly 300, collar 310, ladder-shaped groove frame two 320, concrete bin 330, expansion bolt 340, right trapezoid support plate 350, circulation hole 360, reinforcement cage assembly 400, reinforcement cage one 410, reinforcement one 411, reinforcement two 412, reinforcement one 413, reinforcement two 420, reinforcement three 421, reinforcement four 422, reinforcement two 423.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Referring to fig. 1-9, the invention provides a reinforced structure for pile foundation of a cast-in-place pile, which aims to achieve the purposes, and provides the following technical scheme: a reinforced structure for pile foundation of filling pile comprises a base 100, a main foundation pit 110 is arranged on the surface of the base 100, filling piles 120 are arranged in the main foundation pit 110, four auxiliary foundation pits 150 are symmetrically arranged on the surface of the main foundation pit 110, the auxiliary foundation pits 150 are uniformly distributed around the filling piles 120, a circular ring foundation pit 140 is arranged on the outer side of the main foundation pit 110, a trapezoid foundation pit 130 is arranged on the outer side of the circular ring foundation pit 140, a reinforced concrete frame assembly 200 is fixedly arranged on the inner wall of the trapezoid foundation pit 130, the reinforced concrete frame assembly 200 comprises a trapezoid sleeve frame 210, a first trapezoid groove frame 220 is uniformly and fixedly arranged on the outer wall of the trapezoid sleeve frame 210, four first trapezoid groove frames 220 are matched with the trapezoid foundation pit 130 for installation, a reinforced support frame assembly 300 is fixedly connected at the top of the reinforced concrete frame assembly 200, the reinforced support frame assembly 300 comprises a lantern ring 310, a second trapezoid groove frame 320 and a right-angle trapezoid support plate 350, the lantern ring 310 is sleeved on the outer wall of the filling piles 120, the second trapezoid groove frame 320 is provided with four groups, the second trapezoid groove frame 320 of the four groups is uniformly arranged on the outer wall of the collar 310, the second trapezoid groove frame 320 of the four groups is connected with the fourth trapezoid sleeve frame 210 in a one-to-one correspondence manner, the steel reinforcement cage assembly 400 is fixedly arranged on the outer wall of the cast-in-place pile 120, the steel reinforcement cage assembly 400 comprises a first steel reinforcement cage 410 and a second steel reinforcement cage 420, the first steel reinforcement cage 410 is positioned in the circular ring foundation pit 140, the second steel reinforcement cage 420 is positioned in the auxiliary foundation pit 150, the top of the first trapezoid groove frame 220 is provided with a trapezoid groove 240, the bottom inner wall of the trapezoid groove 240 is uniformly provided with a fastening bolt 250, the fastening bolt 250 passes through the trapezoid groove 240 and is fixedly connected with the surface of the trapezoid foundation pit 130, the inner wall of the fourth trapezoid groove 240 is uniformly provided with steel plate connecting rods 260, the horizontal spacing of the steel plate connecting rods 260 is 120 mm, the vertical spacing of the steel plate connecting rods 260 is 150 mm, the inner wall of the trapezoid sleeve frame 210 is provided with the trapezoid sleeve groove 270, and the inner wall of the trapezoid sleeve 270 is filled with concrete, the four groups of trapezoid-shaped groove frames one 220 are fixedly connected with the extrusion cone 230, the body of the extrusion cone 230 is cylindrical, the bottom of the extrusion cone 230 is conical, specifically, the base 100 has the effect of reducing the speed of the cast-in-place pile 120 by arranging the main foundation pit 110 and the auxiliary foundation pit 150, the main foundation pit 110 has the effect of constructing the cast-in-place pile 120, the auxiliary foundation pit 150 has the effect of installing the reinforcement cage one 410, the reinforcement cage one 410 is matched with concrete to protect the periphery of the cast-in-place pile 120, the stability of the soil around the main foundation pit 110 is improved, the bearing performance of the cast-in-place pile 120 is improved, the trapezoid-shaped foundation pit 130 has the effect of installing the trapezoid-shaped groove frame one 220, the supporting performance of the cast-in-place pile 120 is specifically improved, the reinforcement support frame assembly 300 and the reinforcement frame assembly 200 are matched to be used, the sleeve ring 310 has the effect of conveniently improving the supporting performance of the cast-in-place pile 120, the fastening bolt 250 has the effect of conveniently fixing the trapezoid-shaped sleeve frame 210, the trapezoid-shaped groove 240 has the effect of protecting the periphery of the cast-in-place pile 120, the trapezoid-shaped groove 210 has the effect of improving the stability of the steel plate 210, the reinforcement frame assembly has the effect of improving the stability of the trapezoid-shaped sleeve frame one 260, and the bearing performance of the reinforcement frame assembly is conveniently filling the trapezoid-shaped frame assembly 200 has the stability of the reinforcement frame assembly is convenient, and the frame is convenient, and has the stability.
Further, the bottom of the second trapezoid groove frame 320 is provided with a concrete bin 330, the concrete bin 330 is communicated with the trapezoid groove 240, the top of the second trapezoid groove frame 320 is uniformly provided with an expansion bolt 340, the bottom of the expansion bolt 340 extends into the trapezoid groove 240, the bottom end of the expansion bolt 340 is fixedly connected with the inner wall of the concrete, the joint of the second trapezoid groove frame 320 and the lantern ring 310 is provided with a flow hole 360, concrete overflows and fills the gap of the inner wall of the lantern ring 310 through the flow hole 360, the top of the second trapezoid groove frame 320 is symmetrically and fixedly provided with two groups of right trapezoid support plates 350, the outer walls of the right ends of the two groups of right trapezoid support plates 350 are fixedly connected with the outer walls of the lantern ring 310, specifically, the concrete bin 330 has the effect of conveniently pouring concrete, the expansion bolt 340 has the effect of conveniently fixing the second trapezoid groove frame 320 at the top of the concrete, the flow hole 360 has the effect of conveniently pouring the concrete, thus the inner gap is conveniently filled, the effect of improving the structural stability, and the right trapezoid support plate 350 has the effect of improving the supportability of the second trapezoid groove frame 320 on the cast pile 120.
Further, a first reinforcement cage 410 is sleeved on the outer wall of the bored concrete pile 120, the first reinforcement cage 410 comprises a first reinforcement 411, the first reinforcement 411 is arranged in a surrounding manner, the left and right intervals of the first reinforcement 411 are 100 mm, a second reinforcement 412 is arranged on the inner side of the first reinforcement 411, the second reinforcement 412 is distributed in a surrounding manner, the left and right intervals of the second reinforcement 412 are 80 mm, a first reinforcement ring 413 is welded between the first reinforcement 411 and the second reinforcement 412, the interval between the adjacent reinforcement rings 413 is 300 mm, a second reinforcement cage 420 is provided with four groups, the four groups of reinforcement cages 420 are respectively and fixedly arranged in the four groups of auxiliary foundation pits 150, the second reinforcement cage 420 comprises a third reinforcement 421, the third reinforcement 421 is distributed in a surrounding manner, the interval between the adjacent reinforcement three 421 is 250 mm, the inner side of the third reinforcement 421 is provided with a fourth reinforcement 422, the fourth reinforcement 422 is distributed in a surrounding manner, the interval between the adjacent reinforcement four 422 is 150 mm, the reinforcing steel bar ring two 423 is welded between the outer walls of the reinforcing steel bar three 421 and the reinforcing steel bar four 422, the distance between the adjacent reinforcing steel bar rings two 423 is set to 150 millimeters, concrete is evenly poured inside the reinforcing steel bar cage one 410 and the reinforcing steel bar cage two 420, the reinforcing steel bar cage one 410 has the effect of improving the stability in the concrete, the compression resistance and the supportability, the reinforcing steel bar one 411 and the reinforcing steel bar ring one 413 are matched for use, the reinforcing steel bar cage two 420 has the effect of conveniently reinforcing the concrete, the reinforcing steel bar cage two 420 and the concrete are matched for use, gaps between the cast-in-place pile 120 and the lantern ring 310 are conveniently filled, the structural strength of the cast-in-place pile 120 is conveniently improved, the reinforcing steel bar three 421, the reinforcing steel bar four 422 and the reinforcing steel bar ring two 423 are matched for use, and the mechanical strength and the compression resistance of the concrete are improved.
A construction method of a pile foundation reinforcement structure of a cast-in-place pile comprises the following specific operation steps:
s1: uniformly forming four groups of auxiliary foundation pits 150 around the outer side of the main foundation pit 110, compacting the bottoms and the side walls of the four groups of auxiliary foundation pits 150, then internally installing a second reinforcement cage 420 in the auxiliary foundation pit 150, filling broken stone around the outer wall of the second reinforcement cage 420, then spraying water in the broken stone to fully wet the broken stone, and then performing jet grouting concrete by penetrating a concrete filling pipe into the auxiliary foundation pit 150 until the second reinforcement cage 420 is fully covered;
s2: forming a trapezoid foundation pit 130 around the auxiliary foundation pit 150 through a static pressure process, sleeving a reinforced concrete frame assembly 200 on the outer wall of the bored concrete pile 120 to enable a ladder sleeve frame 210 to be sleeved on the outer wall of the bored concrete pile 120, inserting four groups of trapezoid-shaped groove frames 220 into the trapezoid foundation pit 130 in a matched mode, uniformly installing fastening bolts 250 on the tops of the four groups of trapezoid-shaped groove frames 220, fixing the trapezoid-shaped groove frames 220 into the trapezoid foundation pit 130, enabling the bottoms of the fastening bolts 250 to be inserted into the trapezoid foundation pit 130, and enabling an extrusion cone 230 to be inserted into the trapezoid foundation pit 130;
s3: uniformly and fixedly mounting a steel plate connecting rod 260 on the inner wall of the first trapezoid groove frame 220, reinforcing the first trapezoid groove frame 220, and then pouring concrete inside the stepped sleeve groove 270 and the trapezoid groove 240, so that the trapezoid groove 240 covers the steel plate connecting rod 260 and the fastening bolt 250;
s4: the reinforced support frame assembly 300 is sleeved on the outer wall of the bored concrete pile 120 through the lantern ring 310, the trapezoid-shaped groove frame II 320 is aligned with the trapezoid-shaped groove frame I220 one by one, the reinforcement cage I410 is sleeved on the outer wall of the bored concrete pile 120, concrete is filled in the concrete bin 330, the trapezoid-shaped groove frame I220 and the lantern ring 310 are filled with concrete, and then the expansion bolts 340 are uniformly arranged on the top of the trapezoid-shaped groove frame II 320, so that the bottoms of the expansion bolts 340 are inserted into the concrete.
The above description is only of the preferred embodiments of the present invention, and any person skilled in the art may modify the present invention or make modifications to the present invention equivalent thereto using the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present invention falls within the scope of the protection claimed by the present invention.
Claims (4)
1. The utility model provides a bored concrete pile foundation reinforcement structure, includes base (100), main foundation ditch (110) are seted up on base (100) surface, inside bored concrete pile (120) that are equipped with of main foundation ditch (110), four auxiliary foundation ditch (150) are seted up to main foundation ditch (110) surface symmetry, auxiliary foundation ditch (150) evenly distributed is around bored concrete pile (120), its characterized in that: the reinforced concrete foundation pit comprises a main foundation pit (110), a circular ring foundation pit (140) is arranged on the outer side of the main foundation pit, a trapezoid foundation pit (130) is arranged on the outer side of the circular ring foundation pit (140), a reinforced concrete frame assembly (200) is fixedly arranged on the inner wall of the trapezoid foundation pit (130), the reinforced concrete frame assembly (200) comprises a trapezoid sleeve frame (210), trapezoid sleeve frames (220) are uniformly and fixedly arranged on the outer wall of the trapezoid sleeve frame (210), the trapezoid sleeve frames (220) are provided with four trapezoid sleeve frames, the trapezoid sleeve frames (220) are used in a matched mode, the top of the reinforced concrete frame assembly (200) is fixedly connected with a reinforced support frame assembly (300), the reinforced concrete frame assembly (300) comprises a lantern ring (310), a trapezoid sleeve frame (320) and a right trapezoid support plate (350), the lantern ring (310) is sleeved on the outer wall of a cast-in-place pile (120), the trapezoid sleeve frames (320) are provided with four groups, the trapezoid sleeve frames (320) are uniformly arranged on the outer wall of the lantern ring (310), the trapezoid sleeve frames (320) are in a matched mode, the trapezoid sleeve frames (210) are in a mode, the reinforcement cage (400) is connected with the reinforcement cage (400) in a one-to one, the reinforcement cage (410) is arranged in the reinforcement cage (410), the reinforcement cage (410) is fixedly arranged in the reinforcement cage (410), the second reinforcement cage (420) is positioned in the auxiliary foundation pit (150), a concrete bin (330) is arranged at the bottom of the second trapezoid groove frame (320), the concrete bin (330) is communicated with the trapezoid groove (240), concrete is poured on the inner wall of the concrete bin (330) and the trapezoid groove (240), expansion bolts (340) are uniformly arranged at the top of the second trapezoid groove frame (320), the bottom of the expansion bolts (340) extends into the trapezoid groove (240), the bottom of the expansion bolts (340) is fixedly connected with the inner wall of the concrete, a through hole (360) is formed in the joint of the second trapezoid groove frame (320) and the lantern ring (310), the concrete overflows and fills the gap of the inner wall of the lantern ring (310) through the through hole (360), two groups of right trapezoid support plates (350) are symmetrically and fixedly arranged at the front and back of the top of the second trapezoid support plate (320), the outer wall of the right end of the right trapezoid support plate (350) is fixedly connected with the outer wall of the lantern ring (310), trapezoid grooves (240) are formed in the top of the first trapezoid groove frame (220), the inner wall of the trapezoid groove (240) is uniformly arranged at the bottom of the trapezoid groove (240), the fastening bolts (250) are uniformly arranged at the bottom of the fastening bolts (250), the fastening bolts (250) penetrate through the connecting rod (260) and are uniformly arranged on the surface of the steel plate (260) and are uniformly arranged on the surface of the foundation pit (120), the steel plate connecting rod (260) is 150 mm in vertical interval, ladder sleeve groove (270) are seted up to ladder sleeve frame (210) inner wall, concrete is filled to ladder sleeve groove (270) inner wall, four sets of ladder-shaped groove frame one (220) bottom all fixed connection extrusion awl (230), extrusion awl (230) body portion is cylindric, extrusion awl (230) bottom is coniform.
2. The reinforced structure of pile foundation of claim 1, wherein the first reinforcement cage (410) is sleeved on the outer wall of the pile (120), the first reinforcement cage (410) comprises first reinforcement ribs (411), the first reinforcement ribs (411) are arranged in a surrounding mode, the left-right spacing of the first reinforcement ribs (411) is 100 mm, second reinforcement ribs (412) are arranged on the inner side of the first reinforcement ribs (411), the second reinforcement ribs (412) are distributed in a surrounding mode, the left-right spacing of the second reinforcement ribs (412) is 80 mm, first reinforcement rings (413) are welded between the first reinforcement ribs (411) and the second reinforcement ribs (412), and the spacing between adjacent first reinforcement rings (413) is 300 mm.
3. The reinforced structure of the pile foundation of the bored pile according to claim 2, wherein the second reinforcing cage (420) is provided with four groups, the second reinforcing cage (420) is fixedly installed inside the four groups of auxiliary foundation pits (150) respectively, the second reinforcing cage (420) comprises third reinforcing ribs (421), the third reinforcing ribs (421) are distributed around, the distance between the adjacent third reinforcing ribs (421) is set to 250 mm, the fourth reinforcing ribs (422) are arranged on the inner side of the third reinforcing ribs (421), the fourth reinforcing ribs (422) are distributed around, the distance between the adjacent fourth reinforcing ribs (422) is set to 150 mm, a second reinforcing rib ring (423) is welded between the outer walls of the third reinforcing ribs (421) and the fourth reinforcing ribs (422), the distance between the adjacent second reinforcing ribs (423) is set to 150 mm, and concrete is evenly poured inside the first reinforcing ribs (410) and the second reinforcing ribs (420).
4. A method of constructing a reinforced structure for pile foundation reinforcement of a cast-in-place pile according to any one of claims 1 to 3, comprising the specific steps of:
s1: uniformly forming four groups of auxiliary foundation pits (150) on the periphery of the outer side of a main foundation pit (110), compacting the bottoms and the side walls of the four groups of auxiliary foundation pits (150), then internally mounting a second reinforcement cage (420) in the auxiliary foundation pit (150), filling crushed stone on the periphery of the outer wall of the second reinforcement cage (420), spraying water in the crushed stone to fully wet the crushed stone, and then performing jet grouting concrete by penetrating a concrete filling pipe into the auxiliary foundation pit (150) until the second reinforcement cage (420) is fully covered;
s2: a trapezoid foundation pit (130) is formed around the auxiliary foundation pit (150) through a static pressure process, then a reinforced concrete frame assembly (200) is sleeved on the outer wall of a cast-in-place pile (120), a ladder sleeve frame (210) is sleeved on the outer wall of the cast-in-place pile (120), four groups of trapezoid groove frames I (220) are matched and inserted into the trapezoid foundation pit (130), fastening bolts (250) are uniformly installed at the tops of the four groups of trapezoid groove frames I (220), the trapezoid groove frames I (220) are fixed in the trapezoid foundation pit (130), the bottoms of the fastening bolts (250) are inserted into the trapezoid foundation pit (130), and meanwhile an extrusion cone (230) is inserted into the trapezoid foundation pit (130);
s3: uniformly and fixedly mounting steel plate connecting rods (260) on the inner wall of the first trapezoid groove frame (220), reinforcing the first trapezoid groove frame (220), and then pouring concrete inside the stepped sleeve groove (270) and the trapezoid groove (240) to enable the trapezoid groove (240) to cover the steel plate connecting rods (260) and the fastening bolts (250);
s4: the reinforced support frame assembly (300) is sleeved on the outer wall of the bored concrete pile (120) through the lantern ring (310), the trapezoid groove frames II (320) are aligned with the trapezoid groove frames I (220) one by one, the reinforcement cage I (410) is sleeved on the outer wall of the bored concrete pile (120), concrete is filled in the concrete bin (330), the trapezoid groove frames I (220) and the lantern ring (310) are filled with concrete, and then the expansion bolts (340) are uniformly arranged at the top of the trapezoid groove frames II (320), so that the bottoms of the expansion bolts (340) are inserted into the concrete.
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| US9637926B2 (en) * | 2008-04-10 | 2017-05-02 | Velcro BVBA | Membrane roofing |
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| CN107476310A (en) * | 2017-10-09 | 2017-12-15 | 王辉 | One kind builds a bridge pile foundation concrete high efficiency construction equipment |
| CN212001226U (en) * | 2020-04-14 | 2020-11-24 | 剧捧捧 | Backfill miscellaneous soil composite foundation structure |
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