CN212001047U - Occlusive pile structure for foundation engineering - Google Patents
Occlusive pile structure for foundation engineering Download PDFInfo
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- CN212001047U CN212001047U CN202020283205.6U CN202020283205U CN212001047U CN 212001047 U CN212001047 U CN 212001047U CN 202020283205 U CN202020283205 U CN 202020283205U CN 212001047 U CN212001047 U CN 212001047U
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Abstract
The utility model relates to an occlusive pile structure for foundation engineering, which comprises meat piles and vegetable piles which are sequentially and alternately arranged along the inner side wall of a foundation pit, wherein the meat piles and the vegetable piles are overlapped, the top parts of the meat piles and the vegetable piles are respectively provided with a first sleeve and a second sleeve, the outer side wall of the first sleeve is attached to the outer side wall of the second sleeve, and a horizontally arranged reinforcing screw rod is arranged between the first sleeve and the second sleeve; the reinforcing screw penetrates through the outer side wall of the first sleeve and the outer side wall of the second sleeve, a first nut and a second nut which are in threaded fit with the reinforcing screw are sleeved on the reinforcing screw, the first nut is arranged in the first sleeve, and the second nut is arranged in the second sleeve; the first sleeve pipe is internally provided with a reinforcement cage which is embedded in the meat-bearing pile and is fixedly bonded with the meat-bearing pile, the second sleeve pipe is internally provided with a reinforcement steel frame which is embedded in the vegetable-bearing pile and is fixedly bonded with the vegetable-bearing pile, and two ends of the reinforcement screw rod are respectively fixed with the reinforcement cage and the reinforcement steel frame. The utility model discloses have the effect of strengthening secant pile top joint strength.
Description
Technical Field
The utility model belongs to the technical field of the technique of foundation construction and specifically relates to a secant pile structure for foundation engineering is related to.
Background
The secant pile is a foundation pit support structure which forms mutual secant arrangement between piles. The arrangement mode of the piles is that one non-reinforcement vegetable concrete pile (vegetable pile) and one reinforcement concrete pile (meat pile) are arranged in a staggered mode, and overlapped concrete parts, namely occlusion parts, exist between the vegetable pile and the adjacent meat pile. The vegetable pile and the meat pile are constructed by adopting a slurry dado rotary excavator, the concrete of a preset occlusion area is cut off after the construction of the vegetable pile, and the meat pile adjacent to the vegetable pile is constructed, so that the occlusion of the vegetable pile and the meat pile is realized. During construction, the construction of adjacent meat-type piles is completed before the concrete of the plain pile is initially set. Present secant pile has been the common foundation ditch maintenance form in the engineering, but in present secant pile structure, only rely on the concrete at interlock position to be connected between meat and the plain pile, joint strength is still not enough, and often can assault foundation ditch open-ended inside wall when the construction activity around the foundation ditch, cause the deformation of foundation ditch open-ended inside wall and collapse even, influence the construction in the foundation ditch, so need strengthen secant pile top structure, especially strengthen the interlock part between meat and the plain pile.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, one of the purposes of the utility model is to provide an interlock pile structure for foundation engineering, it has the effect of strengthening interlock pile top joint strength.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a secant pile structure for foundation engineering comprises meat-type piles and vegetable-type piles which are sequentially and alternately arranged along the inner side wall of a foundation pit, wherein the meat-type piles and the vegetable-type piles are overlapped, the tops of the meat-type piles and the vegetable-type piles are respectively provided with a first sleeve and a second sleeve, the outer side wall of the first sleeve is attached to the outer side wall of the second sleeve, and a horizontally arranged reinforcing screw rod is arranged between the first sleeve and the second sleeve; the reinforcing screw penetrates through the outer side wall of the first sleeve and the outer side wall of the second sleeve, a first nut and a second nut which are in threaded fit with the reinforcing screw are sleeved on the reinforcing screw, the first nut is arranged in the first sleeve, and the second nut is arranged in the second sleeve; the reinforced concrete pile is characterized in that a steel reinforcement cage which is embedded in the meat-bearing pile and is fixedly bonded with the meat-bearing pile is arranged in the first sleeve, a reinforced steel frame which is embedded in the vegetable-bearing pile and is fixedly bonded with the vegetable-bearing pile is arranged in the second sleeve, and two ends of the reinforced screw are respectively fixed with the steel reinforcement cage and the reinforced steel frame.
Through adopting above-mentioned technical scheme, pour the shaping back when meat-meat stake and plain pile, the steel reinforcement cage is fixed in meat-meat stake, it is fixed in the plain pile to consolidate the steelframe, and it is fixed with steel reinforcement cage and reinforcement steelframe respectively to strengthen the screw rod, thereby make meat-meat stake and plain pile interconnect fixed, the joint strength of meat-meat stake and plain pile has been strengthened, furthermore, when first nut and second nut all screw, first nut supports tightly with first sleeve pipe inside wall, the second nut supports tightly with second sleeve pipe inside wall, thereby make first sleeve pipe and second sleeve pipe fixed, the joint strength of first sleeve pipe and second sleeve pipe has been strengthened, thereby the top joint strength of this secant pile structure has been strengthened, prevent that the inside wall of foundation ditch opening part from taking place to warp and collapsing even, guarantee going on smoothly of construction in the foundation ditch.
The present invention may be further configured in a preferred embodiment as: the first sleeve is in a circular tube shape, and the outer side wall of the second sleeve is deformed inwards to form a bent part attached to the outer side wall of the first sleeve.
Through adopting above-mentioned technical scheme, the setting of flexion for the outer wall laminating of second sheathed tube and the outer wall of first sleeve, thereby increased area of contact between first sleeve and the second sleeve, make the connection between first sleeve and the second sleeve more firm.
The present invention may be further configured in a preferred embodiment as: the first sleeve outer side wall is provided with a first embedding groove, the second sleeve outer side wall is fixed with a second embedding strip which is embedded with the first embedding groove, the second sleeve outer side wall is provided with a second embedding groove, and the first sleeve outer side wall is fixed with a first embedding strip which is embedded with the second embedding groove.
Through adopting above-mentioned technical scheme, first gomphosis strip embedding first gomphosis groove, second gomphosis strip embedding second gomphosis groove for gomphosis between first sleeve pipe and the second sleeve pipe has further increased the connection area between first sleeve pipe and the second sleeve pipe, makes the connection between first sleeve pipe and the second sleeve pipe more firm.
The present invention may be further configured in a preferred embodiment as: the first embedding strip and the second embedding strip are both vertically arranged.
Through adopting above-mentioned technical scheme, first gomphosis strip is vertically embedded into first gomphosis groove and second gomphosis inslot with second gomphosis strip, makes things convenient for first sleeve pipe and second sheathed tube hoist and mount gomphosis.
The present invention may be further configured in a preferred embodiment as: a vertically arranged connecting plate is fixed on the reinforcement cage, one end of the reinforcing screw rod, which is close to the reinforcement cage, penetrates through the connecting plate, and a third nut and a fourth nut are sleeved on the reinforcing screw rod; the third nut and the fourth nut are respectively arranged on two sides of the connecting plate, and the third nut and the fourth nut are in threaded fit with the reinforcing screw rod.
Through adopting above-mentioned technical scheme, when third nut and fourth nut were screwed, third nut and fourth nut all supported tightly with the connecting plate, and the reinforcing screw is fixed with the connecting plate this moment to make reinforcing screw and steel reinforcement cage fixed and can dismantle and be connected simple to operate.
The present invention may be further configured in a preferred embodiment as: the reinforcing steel frame is U-shaped, one end of the reinforcing screw rod, which is positioned in the second sleeve pipe, penetrates through one side plate surface of the reinforcing steel frame, and a fifth nut and a sixth nut are sleeved on the reinforcing screw rod; the fifth nut and the sixth nut are respectively arranged on two sides of the surface of the reinforcing steel frame penetrating through the reinforcing screw rod, and the fifth nut and the sixth nut are in threaded fit with the reinforcing screw rod.
Through adopting above-mentioned technical scheme, when fifth nut and sixth nut were screwed, fifth nut and sixth nut all supported tightly with strengthening the steelframe to make and strengthen the fixed and can dismantle the connection of screw rod and strengthening the steelframe, simple to operate.
The present invention may be further configured in a preferred embodiment as: and an X-shaped rod is fixed in the reinforcing steel frame and is respectively fixed with the inner side walls of two sides of the reinforcing steel frame.
Through adopting above-mentioned technical scheme, the setting of X shape pole for strengthen the both sides inside wall of steelframe and connect fixedly, thereby strengthened the structural strength who strengthens the steelframe.
The present invention may be further configured in a preferred embodiment as: the reinforced steel frame is internally provided with a right-angled triangular reinforced plate, and two right-angled sides of the reinforced plate are respectively fixed with the inner side wall and the inner bottom surface of the reinforced steel frame.
Through adopting above-mentioned technical scheme, the setting of reinforcing plate for form triangular stable structure between the inside wall of strengthening the steelframe and the interior bottom surface, thereby strengthened the structural strength who strengthens the steelframe.
To sum up, the utility model discloses a following at least one useful technological effect:
after the meat-meat pile and the vegetable pile are poured and molded, the steel reinforcement cage is fixed in the meat-meat pile, the reinforcing steel frame is fixed in the vegetable pile, and the reinforcing screw rods are respectively fixed with the steel reinforcement cage and the reinforcing steel frame, so that the meat-meat pile and the vegetable pile are mutually connected and fixed, the connection strength of the meat-meat pile and the vegetable pile is enhanced, in addition, when the first nut and the second nut are screwed, the first nut is tightly abutted against the inner side wall of the first sleeve, the second nut is tightly abutted against the inner side wall of the second sleeve, so that the first sleeve is fixed with the second sleeve, the connection strength of the first sleeve and the second sleeve is enhanced, the top connection strength of the occlusive pile structure is enhanced, the inner side wall at the opening of a foundation pit is prevented from deforming or even collapsing, and the smooth construction in the foundation pit is;
the bent part is arranged, so that the outer wall of the second sleeve is attached to the outer wall of the first sleeve, the contact area between the first sleeve and the second sleeve is increased, and the first sleeve and the second sleeve are connected more firmly;
when the third nut and the fourth nut are screwed, the third nut and the fourth nut are both tightly abutted to the connecting plate, and the reinforcing screw is fixed to the connecting plate, so that the reinforcing screw is fixed to and detachably connected with the reinforcement cage, and the installation is convenient.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
Reference numerals: 1. piling meat; 11. a reinforcement cage; 12. a connecting plate; 2. carrying out plain piling; 21. reinforcing the steel frame; 211. an X-shaped bar; 212. a reinforcing plate; 3. a first sleeve; 31. a first fitting groove; 32. a first fitting strip; 4. a second sleeve; 41. a bending section; 42. a second engagement strip; 43. a second fitting groove; 5. a reinforcing screw; 51. a first nut; 52. a second nut; 53. a third nut; 54. a fourth nut; 55. a fifth nut; 56. and a sixth nut.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a secant pile structure for foundation engineering, including meat stake 1, plain pile 2, first sleeve 3 and second sleeve 4. The meat pile 1 is cylindrical with a vertical axis and is made by drilling and pouring concrete. Plain pile 2 is made by drilling cast-in-place concrete, and it is cylindricly, and the axis of plain pile 2 is vertical, and meat stake 1 buries in the ground at deep basal pit place with plain pile 2. Meat-meat piles 1 and vegetable piles 2 are all provided with a plurality of piles, the meat-meat piles 1 and the vegetable piles 2 are evenly distributed along the inner side wall of a deep foundation pit, the meat-meat piles 1 and the vegetable piles 2 are alternately arranged, and in addition, the side walls of the vegetable piles 2 between adjacent meat-meat piles 1 are respectively integrally formed with the side walls of the adjacent meat-meat piles 1. Be equipped with steel reinforcement cage 11 in the meat stake 1, steel reinforcement cage 11 is the steel bar structure that normally establishes in the existing bored concrete pile, and steel reinforcement cage 11 is fixed with the concrete coagulation in the meat stake 1, and steel reinforcement cage 11 top is equipped with connecting plate 12. The connecting plate 12 is rectangular plate-shaped and is vertically arranged, the upper side edge and the lower side edge of the connecting plate 12 are respectively welded and fixed with the adjacent reinforcing rings at the top of the reinforcing cage 11, and the horizontal edge of the connecting plate 12 extends along the surrounding direction of the reinforcing rings of the reinforcing cage 11. First sleeve pipe 3 is the pipe form, and its cover is located on meat stake 1 and is fixed with meat stake 1, and first sleeve pipe 3 sets up in meat stake 1 top, and first sleeve pipe 3 buries underground in deep basal pit location face. The second sleeve 4 is in a circular tube shape, is sleeved on the plain pile 2 and is fixed with the plain pile 2, the second sleeve 4 is arranged at the top of the plain pile 2, and the second sleeve 4 is buried in the surface of the deep foundation pit. The outer side wall of the second sleeve 4 is bent inwards to form a bent part 41, the horizontal section of the bent part 41 is arc-shaped, the bent part 41 on the second sleeve 4 is provided with two positions, and the outer side walls of the two bent parts 41 are respectively attached to and abutted against the outer side wall of the first sleeve 3 close to the second sleeve 4. The outer side wall of the first sleeve 3 is provided with a first embedding groove 31, the first embedding groove 31 is a dovetail-shaped groove, the length direction of the first embedding groove is vertical, and two ends of the first embedding groove 31 are respectively communicated with end faces of two ends of the first sleeve 3. A second fitting strip 42 is fixed to an outer side wall of the curved portion 41, the second fitting strip 42 has a dovetail-shaped cross section and is vertical in the longitudinal direction, and a second fitting groove 43 is provided in the first fitting groove 31 and abuts against an inner wall of the first fitting groove 31, so that the second sleeve 4 is fitted to the first sleeve 3. The outer side wall of the bending portion 41 is provided with a second engaging groove 43, the second engaging groove 43 is a dovetail groove, the length direction of the second engaging groove is vertical, and two ends of the second engaging groove 43 are respectively communicated with two end faces of the second sleeve 4. The outer side wall of the first sleeve 3 is fixed with a first embedded strip 32, the horizontal section of the first embedded strip 32 is in a dovetail shape, the length direction of the first embedded strip is vertical, and the first embedded strip 32 is arranged in the first embedded groove 31 and is abutted against the inner wall of the first embedded groove 31, so that the first sleeve 3 is embedded into the second sleeve 4, and the connection area between the first sleeve 3 and the second sleeve 4 is increased.
Referring to fig. 1, a reinforcing steel frame 21 is embedded in the plain pile 2, the reinforcing steel frame 21 is disposed at the top of the plain pile 2, the reinforcing steel frame 21 is in a U-shaped plate shape, two ends of the reinforcing steel frame are vertically upward, and an X-shaped rod 211 and a reinforcing plate 212 are disposed in the reinforcing steel frame 21. The X-shaped rod 211 is X-shaped, the cross section of the rod piece is circular, and two end parts of the same side of the X-shaped rod 211 are welded and fixed with the inner side wall of the same side of the reinforcing steel frame 21. Reinforcing plate 212 is right triangle platelike, and its two department right-angle sides respectively with strengthen the inside wall and the interior bottom surface welded fastening of steelframe 21, and reinforcing plate 212 is equipped with a plurality ofly, and a plurality of reinforcing plates 212 are connected with the both sides inside wall of strengthening steelframe 21 respectively, have strengthened the structural strength who strengthens steelframe 21. Be equipped with reinforcing screw 5 between first sleeve 3 and the second sleeve 4, reinforcing screw 5 is that the cross-section is circular shape rod-like structure, and its axis level, and reinforcing screw 5 runs through first sleeve 3 inside wall and the 41 inside walls of flexion in proper order. Two ends of the reinforcing screw 5 are respectively arranged in the first sleeve 3 and the second sleeve 4, the reinforcing screw 5 is in sliding fit with the first sleeve 3 and the bending part 41, and two ends of the reinforcing screw 5 respectively penetrate through the connecting plate 12 and the reinforcing steel frame 21 to be close to the inner side wall of the reinforcing screw 5; the reinforcing screw 5 is sleeved with a first nut 51, a second nut 52, a third nut 53, a fourth nut 54, a fifth nut 55 and a sixth nut 56, the first nut 51 is arranged in the first sleeve 3, the second nut 52 is arranged in the second sleeve 4, the first nut 51 and the second nut 52 are in threaded fit with the reinforcing screw 5, when the first nut 51 and the second nut 52 are screwed, the first nut 51 is tightly abutted with the inner side wall of the first sleeve 3, the second nut 52 is tightly abutted with the inner side wall of the bending portion 41, so that the reinforcing screw 5 is fixed with the first sleeve 3 and the second sleeve 4 respectively, and the first sleeve 3 is fixed with the second sleeve 4. Third nut 53 and fourth nut 54 set up respectively in connecting plate 12 and keep away from second sleeve 4 and be close to the both sides of second sleeve 4, and third nut 53 and fourth nut 54 all with reinforcing screw 5 screw-thread fit, when third nut 53 and fourth nut 54 screwed, third nut 53 and fourth nut 54 all support tightly with connecting plate 12 to it is fixed with steel reinforcement cage 11 to make reinforcing screw 5 be located the one end in first sleeve 3. The fifth nut 55 and the sixth nut 56 are respectively disposed outside the reinforcing steel frame 21 and inside the reinforcing steel frame 21, the fifth nut 55 and the sixth nut 56 are both in threaded fit with the reinforcing screw 5, and when the fifth nut 55 and the sixth nut 56 are screwed, the fifth nut 55 and the sixth nut 56 are respectively abutted against the outer side wall and the inner side wall of the reinforcing steel frame 21, so that the reinforcing screw 5 is fixed to the reinforcing steel frame 21.
The implementation principle of the embodiment is as follows: after meat-stock pile 1 and plain pile 2 pouring molding, steel reinforcement cage 11 is fixed in meat-stock pile 1, the reinforcement steelframe is fixed in plain pile 2, and it is fixed with steel reinforcement cage 11 and reinforcement steelframe respectively to strengthen screw rod 5, thereby make meat-stock pile 1 fixed with plain pile 2 interconnect, the joint strength of meat-stock pile 1 and plain pile 2 has been strengthened, furthermore, when first nut 51 and second nut 52 all screwed, first nut 51 supports tightly with first sleeve 3 inside wall, second nut 52 supports tightly with second sleeve 4 inside wall, thereby make first sleeve 3 fixed with second sleeve 4, the joint strength of first sleeve 3 and second sleeve 4 has been strengthened, thereby the top joint strength of this secant pile structure has been strengthened, prevent that the inside wall of foundation ditch opening part from taking place to warp and collapsing even, guarantee going on smoothly of construction in the foundation ditch.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a secant pile structure for foundation engineering, includes meat stake (1) and the plain pile (2) of following foundation ditch inside wall in proper order alternate arrangement, meat stake (1) overlaps each other with plain pile (2), just meat stake (1) and plain pile (2) top is equipped with first sleeve pipe (3) and second sleeve pipe (4) respectively, its characterized in that: the outer side wall of the first sleeve (3) is attached to the outer side wall of the second sleeve (4), and a horizontally arranged reinforcing screw (5) is arranged between the first sleeve (3) and the second sleeve (4); the reinforcing screw rod (5) penetrates through the outer side wall of the first sleeve (3) and the outer side wall of the second sleeve (4), a first nut (51) and a second nut (52) which are in threaded fit with the reinforcing screw rod (5) are sleeved on the reinforcing screw rod (5), the first nut (51) is arranged in the first sleeve (3), and the second nut (52) is arranged in the second sleeve (4); the reinforced plastic composite pile is characterized in that a steel reinforcement cage (11) which is embedded in the meat pile (1) and is fixedly bonded with the meat pile (1) is arranged in the first sleeve (3), a reinforced steel frame (21) which is embedded in the vegetable pile (2) and is fixedly bonded with the vegetable pile (2) is arranged in the second sleeve (4), and two ends of the reinforced screw rod (5) are respectively fixed with the steel reinforcement cage (11) and the reinforced steel frame (21).
2. A bite pile structure for foundation engineering as set forth in claim 1, wherein: the first sleeve (3) is in a circular tube shape, and the outer side wall of the second sleeve (4) is deformed inwards to form a bending part (41) attached to the outer side wall of the first sleeve (3).
3. A bite pile structure for foundation engineering as set forth in claim 2, wherein: the outer side wall of the first sleeve (3) is provided with a first embedding groove (31), the outer side wall of the second sleeve (4) is fixedly provided with a second embedding strip (42) embedded with the first embedding groove (31), the outer side wall of the second sleeve (4) is provided with a second embedding groove (43), and the outer side wall of the first sleeve (3) is fixedly provided with a first embedding strip (32) embedded with the second embedding groove (43).
4. A bite pile structure for foundation engineering as set forth in claim 3, wherein: the first embedding strip (32) and the second embedding strip (42) are both vertically arranged.
5. A bite pile structure for foundation engineering as set forth in claim 2, wherein: a connecting plate (12) which is vertically arranged is fixed on the reinforcement cage (11), one end, close to the reinforcement cage (11), of the reinforcing screw (5) penetrates through the connecting plate (12), and a third nut (53) and a fourth nut (54) are sleeved on the reinforcing screw (5); the third nut (53) and the fourth nut (54) are respectively arranged on two sides of the connecting plate (12), and the third nut (53) and the fourth nut (54) are in threaded fit with the reinforcing screw rod (5).
6. A bite pile structure for foundation engineering as set forth in claim 5, wherein: the reinforcing steel frame (21) is U-shaped, one end of the reinforcing screw rod (5) located in the second sleeve (4) penetrates through one side plate surface of the reinforcing steel frame (21), and a fifth nut (55) and a sixth nut (56) are sleeved on the reinforcing screw rod (5); the fifth nut (55) and the sixth nut (56) are respectively arranged on two sides of the plate surface of the reinforcing steel frame (21) penetrating through the reinforcing screw rod (5), and the fifth nut (55) and the sixth nut (56) are in threaded fit with the reinforcing screw rod (5).
7. A bite pile structure for foundation engineering as set forth in claim 1, wherein: the reinforced steel frame (21) is internally fixed with X-shaped rods (211), and the X-shaped rods (211) are respectively fixed with the inner side walls of two sides of the reinforced steel frame (21).
8. A bite pile structure for foundation engineering as set forth in claim 7, wherein: the reinforced steel frame (21) is internally provided with a right-angled triangular reinforced plate (212), and two right-angle sides of the reinforced plate (212) are respectively fixed with the inner side wall and the inner bottom surface of the reinforced steel frame (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020283205.6U CN212001047U (en) | 2020-03-06 | 2020-03-06 | Occlusive pile structure for foundation engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020283205.6U CN212001047U (en) | 2020-03-06 | 2020-03-06 | Occlusive pile structure for foundation engineering |
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| Publication Number | Publication Date |
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| CN212001047U true CN212001047U (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020283205.6U Active CN212001047U (en) | 2020-03-06 | 2020-03-06 | Occlusive pile structure for foundation engineering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482070A (en) * | 2022-02-24 | 2022-05-13 | 中国五冶集团有限公司 | Construction tool and construction method for secant pile of deep foundation pit of high-speed rail-bound line |
-
2020
- 2020-03-06 CN CN202020283205.6U patent/CN212001047U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482070A (en) * | 2022-02-24 | 2022-05-13 | 中国五冶集团有限公司 | Construction tool and construction method for secant pile of deep foundation pit of high-speed rail-bound line |
| CN114482070B (en) * | 2022-02-24 | 2024-04-09 | 中国五冶集团有限公司 | Construction tool and construction method for temporary high-speed railway line deep foundation pit occluding pile |
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