CN215165673U

CN215165673U - Bored concrete pile and stagnant water board combination supporting construction

Info

Publication number: CN215165673U
Application number: CN202121474423.9U
Authority: CN
Inventors: 汪小健; 陈家冬; 吴亮
Original assignee: Jiangsu Foundation Engineering Co ltd
Current assignee: Jiangsu Foundation Engineering Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-14
Anticipated expiration: 2031-06-29

Abstract

The application relates to a bored concrete pile and stagnant water board combination supporting construction, it includes many bored concrete piles, and the bored concrete pile is linear arrangement, connects through the stagnant water board between two adjacent bored concrete piles. This application has the effect of improving the higher defect of bored concrete pile supporting construction cost.

Description

Bored concrete pile and stagnant water board combination supporting construction

Technical Field

The application relates to the field of foundation pit support, in particular to a cast-in-place pile and water stop plate combined supporting structure.

Background

In the building construction process, in order to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit, measures such as reinforcement, protection and the like need to be adopted around the foundation pit, and the technology is called as foundation pit support.

Common foundation pit supporting forms include row pile supporting, underground continuous wall supporting, cement retaining walls and the like, and cast-in-place piles are high in rigidity, high in bending resistance and low in cost, so that the cast-in-place piles are commonly used in row pile supporting structures. However, in the cast-in-place pile, the tangency between the piles is difficult to achieve, so that a gap is formed between the piles, and the water retaining capability is poor, so that the cement mixing pile is usually used for enclosing the outer side of the cast-in-place pile, or a secant pile structure is adopted to overcome the defect of poor water retaining capability.

The Chinese patent with the publication number of CN212294633U discloses a supporting structure of a cast-in-place pile occluded mixing pile, which comprises mixing piles which are constructed at intervals, wherein the mixing piles are linearly arranged, the cast-in-place pile is constructed and formed between every two adjacent mixing piles, the cast-in-place pile is occluded with the mixing piles at two sides into a whole, and the occlusion width between the cast-in-place pile and the mixing piles is 100-400 mm.

In view of the above-mentioned related art, the inventor believes that the support structure of the cast-in-place pile interlocking mixing pile in the above-mentioned technology realizes water stopping by matching the cast-in-place pile with the mixing pile, but the mixing pile is high in cost, large in concrete consumption and incapable of being recycled. Therefore, the supporting structure of the cast-in-place pile occlusive mixing pile in the technology has the defect of high cost.

SUMMERY OF THE UTILITY MODEL

In order to improve the higher defect of bored concrete pile supporting construction cost, this application provides a bored concrete pile and stagnant water board combination supporting construction.

The application provides a bored concrete pile and stagnant water board combination supporting construction adopts following technical scheme:

the utility model provides a bored concrete pile and stagnant water board combination supporting construction, includes many bored concrete piles, bored concrete pile linear arrangement, adjacent two connect through the stagnant water board between the bored concrete pile.

Through adopting above-mentioned technical scheme, make up through bored concrete pile and stagnant water board and strut, played the effect of stagnant water on the one hand, on the other hand, the required material of supporting construction has been practiced thrift in the setting of stagnant water board, the cost is reduced, and construction convenience has improved the higher defect of bored concrete pile supporting construction cost.

Optionally, one side of bored concrete pile is equipped with first connecting block, the opposite side of bored concrete pile is equipped with the second connecting block, one side of stagnant water board is equipped with first cooperation piece, the opposite side of stagnant water board is equipped with second cooperation piece, first cooperation piece is pegged graft with first connecting block and is cooperated, second cooperation piece is pegged graft with the second connecting block and is cooperated.

Through adopting above-mentioned technical scheme, through the grafting cooperation of first connecting block with first cooperation piece to and the grafting cooperation of second connecting block with second cooperation piece, realized bored concrete pile both sides and the dismantled connection of stagnant water board, make can extract the stagnant water board after the foundation ditch construction is accomplished, thereby make the stagnant water board obtain recycle, further reduced supporting construction's cost.

Optionally, every bored concrete pile is equipped with two first connecting blocks, first connecting block is located bored concrete pile's both ends, every bored concrete pile is equipped with two second connecting blocks, the second connecting block is located bored concrete pile's both ends, the stagnant water board is equipped with two first cooperation pieces and two second cooperation pieces, the position of first cooperation piece corresponds with the position of first connecting block, the position of second cooperation piece corresponds with the position of second connecting block.

Through adopting above-mentioned technical scheme, all set up the quantity of first connecting block, second connecting block, first cooperation piece and second cooperation piece into two, strengthened being connected between stagnant water board and the bored concrete pile, improved supporting construction's stagnant water ability.

Optionally, the same two first connecting blocks on the cast-in-place pile are connected through a connecting rib, and the same two second connecting blocks on the cast-in-place pile are connected through a connecting rib.

Through adopting above-mentioned technical scheme, the setting up of splice bar has improved the stability of first connecting block and second connecting block to the intensity of bored concrete pile has been improved.

Optionally, the side wall of the first connecting block connected with the cast-in-place pile is arc-shaped.

Through adopting above-mentioned technical scheme, the convex setting of first connecting block lateral wall is convenient for be connected with the bored concrete pile, has improved the stability of first connecting block.

Optionally, the side wall of the second connecting block connected with the cast-in-place pile is arc-shaped.

Through adopting above-mentioned technical scheme, the convex setting of second connecting block lateral wall is convenient for be connected with the bored concrete pile, has improved the stability of second connecting block.

Optionally, two matching grooves are formed in the first matching block, the first connecting block comprises a first fixing block and two first inserting blocks, the first fixing block is connected with the cast-in-place pile, the first inserting block is connected to the first fixing block, the first inserting block is inserted into the matching grooves, two connecting grooves are formed in the second connecting block, the second matching block comprises a second fixing block and two second inserting blocks, the second fixing block is connected with the water stop plate, the second inserting block is connected to the second fixing block, and the second inserting block is inserted into the connecting grooves.

By adopting the technical scheme, when the cast-in-place pile is connected with the water stop plate, the two first inserting blocks are inserted into the matching grooves, and the two second inserting blocks are inserted into the connecting grooves, so that the connection between the cast-in-place pile and the water stop plate is enhanced, and the water stop supporting effect is improved.

Optionally, the shape of the second insertion block conforms to the shape of the first insertion block, and the size of the second insertion block is equal to the size of the first insertion block.

Through adopting above-mentioned technical scheme, the shape of second grafting piece is the same with the shape of first grafting piece, the size of second grafting piece equals with the size of first grafting piece for the second grafting piece can be pegged graft in the cooperation inslot, first cooperation piece can be pegged graft with second cooperation piece promptly and cooperate, when the distance is great between two adjacent bored concrete piles, the accessible polylith sealing plate is connected two bored concrete piles, through the plug connection of first cooperation piece with second cooperation piece between the sealing plate, the effect is strutted in the stagnant water has been improved.

Optionally, the water stop plate includes a middle portion, a bending portion and a connecting portion, the bending portion is located on two sides of the middle portion, the connecting portion connects the bending portion with the cast-in-place pile, and an included angle between the bending portion and the middle portion is an obtuse angle.

By adopting the technical scheme, the strength of the water stop plate is improved by the arrangement of the middle part, the bending part and the connecting part, so that the supporting and water stopping effect is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cast-in-place pile and the water stop plate are combined for supporting, so that on one hand, the water stop effect is achieved, on the other hand, the arrangement of the water stop plate saves materials required by a supporting structure, the cost is reduced, the construction is convenient, and the defect that the cast-in-place pile supporting structure is high in cost is overcome;

2. the detachable connection of the two sides of the cast-in-place pile and the water stop plate is realized through the inserting and matching of the first connecting block and the first matching block and the inserting and matching of the second connecting block and the second matching block, so that the water stop plate can be pulled out after the foundation pit construction is finished, the water stop plate is recycled, and the cost of a supporting structure is further reduced;

3. the shape of second grafting piece is the same with the shape of first grafting piece, the size of second grafting piece equals with the size of first grafting piece for the second grafting piece can be pegged graft in the cooperation inslot, first cooperation piece can be pegged graft the cooperation with second cooperation piece promptly, when the distance is great between two adjacent bored concrete piles, accessible polylith stagnant water board is connected two bored concrete piles, through the plug-in connection of first cooperation piece with second cooperation piece between the stagnant water board, the effect is strutted in the stagnant water has been improved.

Drawings

Fig. 1 is a schematic structural diagram of a combined supporting structure of a cast-in-place pile and a water stop plate according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a reinforcement cage, a first connecting block and a second connecting block in the embodiment of the present application.

Fig. 3 is a schematic structural view of a water stop plate, a first fitting block, and a second fitting block in the embodiment of the present application.

Fig. 4 is an enlarged view at a in fig. 1.

Fig. 5 is an enlarged view at B in fig. 1.

Fig. 6 is a schematic structural diagram for showing the connection relationship when two cast-in-place piles are far away in the embodiment of the present application.

Description of reference numerals: 1. a soil layer; 11. pile holes; 2. filling piles; 21. a reinforcement cage; 211. a main rib; 212. reinforcing ribs; 3. a first connection block; 31. a first fixed block; 32. a first plug-in block; 4. a second connecting block; 41. connecting grooves; 5. a water stop plate; 51. an intermediate portion; 52. a bending section; 53. a connecting portion; 6. a first mating block; 61. a mating groove; 7. a second mating block; 71. a second fixed block; 72. a second insertion block; 8. and connecting ribs.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses bored concrete pile and stagnant water board combination supporting construction. Referring to fig. 1, a bored concrete pile and water stop plate combined supporting structure includes a plurality of bored concrete piles 2, the plurality of bored concrete piles 2 are arranged linearly, and an interval is provided between two adjacent bored concrete piles 2. The cast-in-place pile 2 comprises a reinforcement cage 21 and concrete cast with the reinforcement cage 21 into a whole. During construction, pile holes 11 need to be formed in a soil layer 1, the reinforcement cage 21 needs to be placed in the pile holes 11, and concrete needs to be poured to obtain the cast-in-place pile 2.

Referring to fig. 2, the reinforcement cage 21 includes a plurality of main ribs 211 and reinforcing ribs 212, the main ribs 211 are provided, the plurality of main ribs 211 surround an axis of the reinforcement cage 21 to form an annular array, and a space is provided between two adjacent main ribs 211. The strengthening rib 212 is the ring shape, and the strengthening rib 212 is equipped with many, and outside the main muscle 211 was all located to many strengthening ribs 212 cover, many strengthening ribs 212 arranged along steel reinforcement cage 21's axis, and the interval between two adjacent strengthening ribs 212 equals. The axis of the reinforcing rib 212 coincides with the axis of the reinforcement cage 21, and the reinforcing rib 212 is fixedly connected with the main rib 211 through welding.

Referring to fig. 1 and 2, two sets of connecting members are disposed on the reinforcement cage 21, and each set of connecting members includes a first connecting block 3 and a second connecting block 4. One set of connectors is disposed on the top of the reinforcement cage 21 and the other set of connectors is disposed on the bottom of the reinforcement cage 21. In the same group of connecting pieces, the first connecting block 3 is positioned on one side of the axis of the steel reinforcement cage 21, the second connecting block 4 is positioned on the other side of the axis of the steel reinforcement cage 21, and the first connecting block 3 and the second connecting block 4 are arranged oppositely. The two first connecting blocks 3 are positioned on the same side of the axis of the reinforcement cage 21, and the two second connecting blocks 4 are positioned on the same side of the axis of the reinforcement cage 21. First connecting block 3 and second connecting block 4 are all through welded fastening in the lateral wall of strengthening rib 212, and the lateral wall that first connecting block 3 is close to strengthening rib 212 is convex setting, and the lateral wall that second connecting block 4 is close to strengthening rib 212 is convex setting.

Referring to fig. 2, two first connecting blocks 3 on the same steel reinforcement cage 21 are connected through two connecting bars 8, two ends of the connecting bars 8 are fixedly connected with the first connecting blocks 3, the axis of the connecting bars 8 is parallel to the axis of the steel reinforcement cage 21, and a space is arranged between the two connecting bars 8. Two second connecting blocks 4 that are located on same steel reinforcement cage 21 are connected through two splice bars 8, and the both ends and the 4 fixed connection of second connecting block of splice bar 8, the axis of splice bar 8 is parallel with steel reinforcement cage 21's axis, has the interval between two splice bars 8.

Referring to fig. 1 and 3, a water stop plate 5 is arranged between two adjacent cast-in-place piles 2, and the water stop plate 5 is embedded in the soil layer 1. The water stop plate 5 includes an intermediate portion 51, bent portions 52, and connecting portions 53, the bent portions 52 being located on both sides of the intermediate portion 51, the bent portions 52 being integrally formed with the intermediate portion 51. The edge of one side of the bent portion 52 coincides with the edge of the middle portion 51, the included angle formed by the bent portion 52 and the middle portion 51 is an obtuse angle, and the two bent portions 52 are disposed opposite to each other. The connecting portion 53 is located on the side of the bent portion 52 away from the middle portion 51, and the connecting portion 53 is integrally formed with the bent portion 52. The edge of the bent portion 52 overlaps the edge of the connecting portion 53, the connecting portion 53 is arranged parallel to the intermediate portion 51, and the two connecting portions 53 are arranged in a line.

Referring to fig. 3, two sets of fitting pieces are provided on the water stop plate 5, and each set of fitting piece includes a first fitting block 6 and a second fitting block 7. One set of fitting members is disposed on the top of the water stop plate 5, and the other set of fitting members is disposed on the bottom of the water stop plate 5. In the same set of mating members, the first mating block 6 is located on the side of one connecting portion 53 facing away from the intermediate portion 51, and the second mating block 7 is located on the side of the other connecting portion 53 facing away from the intermediate portion 51. The two first fitting blocks 6 are located on the same side of the intermediate portion 51, and the two second fitting blocks 7 are located on the same side of the intermediate portion 51. The first fitting block 6 is fixedly connected to the side wall of the connecting portion 53 by welding, and the second fitting block 7 is fixedly connected to the side wall of the connecting portion 53 by welding.

Referring to fig. 1 and 4, two matching grooves 61 are formed in one side, away from the water stop plate 5, of the first matching block 6, a gap is formed between the two matching grooves 61, the opening of each matching groove 61 faces the reinforcement cage 21, and each matching groove 61 is a through groove along the axial direction of the reinforcement cage 21. The first connecting block 3 includes a first fixing block 31 and a first inserting block 32, one side of the first fixing block 31 is connected to the reinforcement cage 21, the other side of the first fixing block 31 is connected to the first inserting block 32, and the first inserting block 32 and the first fixing block 31 are integrally formed. The number of the first insertion blocks 32 is two, and a space is formed between the two first insertion blocks 32. When the water stop plate 5 is embedded in the soil layer 1, the position of the first connecting block 3 corresponds to the position of the first matching block 6, the first inserting block 32 is inserted into the matching groove 61, and the side wall of the first inserting block 32 is attached to the side wall of the matching groove 61.

Referring to fig. 1 and 5, two connecting grooves 41 are provided on one side of the second connecting block 4 away from the reinforcement cage 21, an interval is provided between the two connecting grooves 41, an opening of the connecting groove 41 faces the water stop plate 5, and the connecting groove 41 is a through groove along the axial direction of the reinforcement cage 21. The second matching block 7 comprises a second fixing block 71 and a second insertion block 72, one side of the second fixing block 71 is fixedly connected with the water stop plate 5, the other side of the second fixing block 71 is connected with the second insertion block 72, and the second insertion block 72 and the second fixing block 71 are integrally formed. The number of the second insertion blocks 72 is two, and a space is provided between the two second insertion blocks 72. When the water stop plate 5 is embedded in the soil layer 1, the position of the second connecting block 4 corresponds to the position of the second matching block 7, the second inserting block 72 is inserted into the connecting groove 41, and the side wall of the second inserting block 72 is attached to the side wall of the connecting groove 41.

Referring to fig. 1, when two cast-in-place piles 2 are connected by one water stop plate 5, a first matching block 6 is matched with the first connecting block 3 of one cast-in-place pile 2 in an inserting manner, and a second matching block 7 is matched with the second connecting block 4 of the other cast-in-place pile 2 in an inserting manner. Each first fitting block 6 is connected to one first connecting block 3, and each second fitting block 7 is connected to one second connecting block 4.

Referring to fig. 4 and 5, the shape of the coupling groove 41 is adapted to the shape of the second insertion block 72, and the size of the coupling groove 41 is equal to the size of the second insertion block 72. The shape of the fitting groove 61 is adapted to the shape of the first block 32, and the size of the fitting groove 61 is equal to the size of the first block 32. The shape of the first insertion block 32 is the same as that of the second insertion block 72, and the size of the first insertion block 32 is the same as that of the second insertion block 72, so that the second insertion block 72 can be inserted into the mating groove 61, and the first mating block 6 and the second mating block 7 can be mated by insertion.

Referring to fig. 6, when the interval between two cast-in-place piles 2 is large, they may be connected by a plurality of water stop plates 5. The first matching block 6 can be matched with the first connecting block 3 on the adjacent cast-in-place pile 2 in an inserting mode, and can also be matched with the second matching block 7 on the adjacent water stop plate 5 in an inserting mode. The second matching block 7 can be matched with the second connecting block 4 on the adjacent cast-in-place pile 2 in an inserting mode, and can also be matched with the first matching block 6 on the adjacent water stop plate 5 in an inserting mode.

The implementation principle of the cast-in-place pile and water stop plate combined supporting structure in the embodiment of the application is as follows: when the foundation pit is supported, firstly, a pile hole 11 is drilled on a soil layer 1, then, the steel reinforcement cage 21 is placed into the pile hole 11, the water stop plate 5 is inserted between the two cast-in-place piles 2 through the insertion and matching of the first connecting block 3 and the first matching block 6 and the insertion and matching of the second connecting block 4 and the second matching block 7, the two steel reinforcement cages 21 are connected, and finally, concrete is poured, so that the construction of a foundation pit supporting structure is completed. When the distance between two cast-in-place piles 2 is far away, the adjacent cast-in-place piles 2 are connected by two or more water stop plates 5 through the insertion and matching of the first matching block 6 on one water stop plate 5 and the second matching block 7 on the other water stop plate 5, so that the purpose of water stop support is achieved. The use of the water stop plate 5 reduces the consumption of materials, reduces the cost of the supporting structure, and can recycle the water stop plate 5 after the foundation pit is completed, thereby saving the materials and improving the defect of higher cost of the cast-in-place pile supporting structure.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a bored concrete pile and stagnant water board combination supporting construction which characterized in that: including many bored concrete piles (2), bored concrete pile (2) are linear arrangement, adjacent two connect through stagnant water board (5) between bored concrete pile (2), one side of bored concrete pile (2) is equipped with first connecting block (3), the opposite side of bored concrete pile (2) is equipped with second connecting block (4), one side of stagnant water board (5) is equipped with first cooperation piece (6), the opposite side of stagnant water board (5) is equipped with second cooperation piece (7), first cooperation piece (6) and first connecting block (3) cooperation of pegging graft, second cooperation piece (7) and second connecting block (4) cooperation of pegging graft.

2. A bored concrete pile and water stop plate combined supporting structure according to claim 1, wherein: every bored concrete pile (2) are equipped with two first connecting blocks (3), first connecting block (3) are located the both ends of bored concrete pile (2), every bored concrete pile (2) are equipped with two second connecting blocks (4), second connecting block (4) are located the both ends of bored concrete pile (2), stagnant water board (5) are equipped with two first cooperation pieces (6) and two second cooperation pieces (7), the position of first cooperation piece (6) corresponds with the position of first connecting block (3), the position of second cooperation piece (7) corresponds with the position of second connecting block (4).

3. A bored concrete pile and water stop plate combined supporting structure according to claim 2, wherein: same two first connecting blocks (3) on bored concrete pile (2) are connected through splice bar (8), and are same two second connecting blocks (4) on bored concrete pile (2) are connected through splice bar (8).

4. A bored concrete pile and water stop plate combined supporting structure according to claim 1, wherein: the side wall of the first connecting block (3) connected with the cast-in-place pile (2) is arc-shaped.

5. A bored concrete pile and water stop plate combined supporting structure according to claim 1, wherein: the side wall of the second connecting block (4) connected with the cast-in-place pile (2) is arc-shaped.

6. A bored concrete pile and water stop plate combined supporting structure according to claim 1, wherein: two matching grooves (61) are formed in the first matching block (6), the first connecting block (3) comprises a first fixing block (31) and two first inserting blocks (32), the first fixing block (31) is connected with the cast-in-place pile (2), the first inserting blocks (32) are connected onto the first fixing block (31), the first inserting blocks (32) are inserted into the matching grooves (61), two connecting grooves (41) are formed in the second connecting block (4), the second matching block (7) comprises a second fixing block (71) and two second inserting blocks (72), the second fixing block (71) is connected with the water stop plate (5), the second inserting block (72) is connected onto the second fixing block (71), and the second inserting block (72) is inserted into the connecting grooves (41).

7. A bored concrete pile and waterstop combined supporting structure according to claim 6, wherein: the shape of the second insertion block (72) conforms to the shape of the first insertion block (32), and the size of the second insertion block (72) is equal to the size of the first insertion block (32).

8. A bored concrete pile and water stop plate combined supporting structure according to claim 1, wherein: the water stop plate (5) comprises a middle part (51), a bending part (52) and a connecting part (53), the bending part (52) is located on two sides of the middle part (51), the connecting part (53) connects the bending part (52) with the cast-in-place pile (2), and an included angle between the bending part (52) and the middle part (51) is an obtuse angle.