CN215483065U

CN215483065U - Open caisson foundation for construction engineering construction

Info

Publication number: CN215483065U
Application number: CN202121112512.9U
Authority: CN
Inventors: 张友康; 李海
Original assignee: Guangdong Shanjian Construction Co ltd
Current assignee: Guangdong Shanjian Construction Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-01-11
Anticipated expiration: 2031-05-21

Abstract

The utility model belongs to the technical field of the building engineering basis and specifically relates to an open caisson foundation of building engineering construction is related to, including a plurality of sections pit shafts, two adjacent pit shaft relative both ends are provided with the slot that a plurality of inserted blocks and inserted block correspond, each inserted block is pegged graft with the slot that corresponds and is cooperated, be provided with the uplift pile with inserted block position one-to-one between two adjacent pit shafts, be provided with first perforation on the inserted block, two cell walls that the slot is relative all are provided with the second perforation, the uplift pile runs through first perforation and the second perforation and inserts the open caisson lateral wall, the uplift pile is cavity setting, the one end that the uplift pile inserted in earth is provided with first point portion, be provided with many spinal branchs branch in the uplift pile, the lateral wall of uplift pile is provided with the through-hole, be provided with in the uplift pile and be used for promoting the impeller that branch stretches out to the uplift pile. This application has the effect of the anti ability of dialling of reinforcing open caisson basis side.

Description

Open caisson foundation for construction engineering construction

Technical Field

The application relates to the field of constructional engineering foundations, in particular to an open caisson foundation for constructional engineering construction.

Background

The open caisson foundation is a form of an underground structure and a deep foundation for open caisson construction, and is widely applied to bridges, water towers, water pump houses, underground oil depots and the like.

In the related art, an open caisson foundation is generally formed by excavating earth at a required position to form a well, then sinking multiple sections of shafts under the action of the shafts when the open caisson foundation is excavated to a certain depth, pouring concrete into a gap between the shafts and a well wall to form the open caisson after a preset elevation is reached, and then sealing the bottom to construct an internal structure. However, the inventor believes that under the foundation with soft soil, the lateral resistance of the side surface of the well wall is low due to the soft soil, and the shaft and the surrounding soil are bonded only through concrete molding and are not tight and firm, so that the lateral pulling resistance is poor, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to strengthen the anti ability of dialling of open caisson foundation side, this application provides an open caisson foundation that building engineering construction used.

The application provides a sunk well basis that building engineering construction used adopts following technical scheme:

the open caisson foundation for construction engineering construction comprises a plurality of sections of shafts, wherein two adjacent shafts are provided with a plurality of inserting blocks and inserting grooves corresponding to the inserting blocks at two opposite ends, each inserting block is in inserting fit with the corresponding inserting groove in an inserting mode, two adjacent shafts are provided with anti-pulling piles in one-to-one correspondence with the inserting blocks in positions, first through holes are formed in the inserting blocks, two opposite groove walls of the inserting grooves are provided with second through holes, the anti-pulling piles penetrate through the first through holes and the second through holes and are inserted into the side walls of the open caisson, the anti-pulling piles are arranged in a hollow mode, one ends, inserted into soil, of the anti-pulling piles are provided with first tip portions, a plurality of support rods are arranged in the anti-pulling piles, through holes are formed in the side walls of the anti-pulling piles, and pushing pieces used for pushing the support rods to extend out of the anti-pulling piles are arranged in the anti-pulling piles.

Through adopting above-mentioned technical scheme, the open caisson foundation adopts a plurality of pit shafts to decide the equipment and form, be provided with inserted block and slot between two adjacent pit shafts, the cooperation of pegging graft of inserted block and the slot that corresponds, first perforation aligns the intercommunication with the second perforation, pass first perforation and second perforation and anchor in earth with the anti-floating pile, the setting of first point portion is convenient for the anti-floating pile to insert in earth, and simultaneously, utilize the impeller to make branch stretch out outside earth, so can fix the inserted block in the slot, the area of contact between anti-floating pile and the earth can be increased in the setting of branch, it can be more stable in messenger's anti-floating pile inserts earth, thereby the side resistance to plucking of open caisson has been strengthened, with the fastness of reinforcing pit shaft assembly in the well, then can the required open caisson foundation of shaping to pouring concrete between pit shaft and the wall of a well.

Optionally, the pushing member is a push rod, one end of the push rod is provided with a second tip portion, and the side wall of the tip portion abuts against one end, located at the uplift pile, of the supporting rod.

Through adopting above-mentioned technical scheme, the setting up of push rod is convenient for constructor withdraw from the through-hole with branch and insert earth, and the one end of push rod is provided with point portion simultaneously, and point portion is contradicted with the one end that branch is located the uplift pile, so played the guide effect to the push rod, make the push rod promote branch better.

Optionally, one end of the supporting rod, which is located at the uplift pile, is provided with a limiting block for limiting the position of the supporting rod.

Through adopting above-mentioned technical scheme, the setting of stopper has played limiting displacement to branch, makes branch be difficult for breaking away from the uplift pile from the through-hole.

Optionally, the catch bar is kept away from the one end of second point portion is connected with the fixed plate, the uplift pile is kept away from the one end of first point portion is provided with the holding ring, the fixed plate contradict in the holding ring is kept away from a lateral wall of pit shaft, the fixed plate with be provided with between the holding ring and be used for fixing the mounting of holding ring.

Through adopting above-mentioned technical scheme, in the push rod inserted the anti-floating pile, the fixed plate was contradicted in the holding ring, utilized the mounting to fix the holding ring on the pit shaft to make stable the fixing on the pit shaft of anti-floating pile, make the anti-floating pile be difficult for rocking.

Optionally, the fixing piece is a fastening bolt, a first fixing hole is formed in the fixing plate, a second fixing hole is formed in the positioning ring, a threaded hole corresponding to the fastening bolt is formed in the inner side wall of the shaft, and the fastening bolt penetrates through the first fixing hole and the second fixing hole and corresponds to the threaded hole in threaded connection.

Through adopting above-mentioned technical scheme, fastening bolt runs through first fixed orifices and second fixed orifices and the screw hole threaded connection who corresponds, and the constructor of being convenient for from this fixes the anti-floating pile on the pit shaft, also strengthens the stability between holding ring and the pit shaft.

Optionally, the lateral wall circumference of uplift pile is provided with the rubber circle, first fenestrate pore wall be provided with the rubber circle corresponds the shrinkage pool, the rubber circle with the cooperation of shrinkage pool joint.

Through adopting above-mentioned technical scheme, rubber circle and shrinkage pool joint cooperation make the water in the earth be difficult for oozing into the pit shaft from the gap between uplift pile and the first perforation from this.

Optionally, one end of the first shaft placed on the foundation, which is close to the foundation, is provided with a back cover plate, and the back cover plate is provided with a puncture tip ring.

Through adopting above-mentioned technical scheme, the area of contact between can reduce and the ground of thorn point ring sets up, and the pit shaft of being convenient for sinks, and the constructor of being convenient for from this is under construction.

Optionally, the lateral wall of branch is provided with the direction sand grip, the pore wall of through-hole is provided with the guiding hole, the direction sand grip with correspond the guiding hole cooperation of sliding.

Through adopting above-mentioned technical scheme, the cooperation that slides of direction sand grip and guiding hole to play the guide effect to branch, make branch difficult rotatory.

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

1. the open caisson foundation is formed by fixedly assembling a plurality of shafts, the inserting blocks are in inserting fit with the corresponding inserting grooves, the uplift piles penetrate through the first through holes and the second through holes and are anchored in soil, the first tip portions are arranged to facilitate the uplift piles to be inserted into the soil, and the supporting rods extend out of the soil by the aid of the pushing pieces, so that the inserting blocks can be fixed in the inserting grooves, the contact area between the uplift piles and the soil can be increased due to the arrangement of the supporting rods, the uplift piles can be inserted into the soil more stably, and the side uplift resistance of the open caisson is enhanced;

2. when the push rod is inserted into the uplift pile, the fixing plate is abutted against the positioning ring, and the positioning ring is fixed on the shaft by the fixing piece, so that the uplift pile is stably fixed on the shaft and is not easy to shake;

3. the contact area between the thorn point ring and the foundation can be reduced, the shaft is convenient to sink, and accordingly construction is facilitated for constructors.

Drawings

FIG. 1 is a cutaway plan view of an embodiment of the present application;

fig. 2 is a partial structural schematic diagram of an embodiment of the present application.

Description of reference numerals: 1. a wellbore; 2. sealing the bottom plate; 3. a thorn tip ring; 4. uplift piles; 5. inserting a block; 6. a slot; 7. a rubber ring; 8. a first tip portion; 9. a first perforation; 10. a second perforation; 11. a strut; 12. a through hole; 13. a push rod; 14. a second tip portion; 15. a limiting block; 16. a guide convex strip; 17. a guide hole; 18. a fixing plate; 19. a positioning ring; 20. fastening a bolt; 21. a first fixing hole; 22. a second fixing hole; 23. a threaded hole; 24. a concave hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses open caisson foundation for building engineering construction.

Referring to fig. 1, an open caisson foundation that building engineering construction used, including a plurality of sections pit shafts 1, the one end fixed mounting that first pit shaft 1 is close to the ground has a back cover plate 2, and back cover plate 2 is contradicted and has pricked sharp ring 3 in the one end welding of ground, and prick sharp ring 3 keeps away from the one end of back cover plate 2 and be the blade face, so can insert pit shaft 1 in the ground fast, the constructor construction of being more convenient for.

Referring to the figure, after the first shaft 1 is placed in the foundation, the rest shafts 1 are sequentially spliced and assembled to be placed in the foundation. Specifically, a plurality of insertion blocks 5 and insertion grooves 6 corresponding to the insertion blocks 5 are arranged at two opposite ends of two adjacent shafts 1. The quantity of inserted block 5 is four, and the quantity of slot 6 is four, and inserted block 5 connects in the one end that deviates from the ground in a pit shaft 1, and slot 6 is seted up in another pit shaft 1 and is close to the one end of ground, and each inserted block 5 is pegged graft with the slot 6 cooperation that corresponds, makes two adjacent pit shaft 1 preliminary location equipment from this to in subsequent fixed operation.

Referring to the figure, anti-pulling piles 4 corresponding to the positions of the insertion blocks 5 one by one are arranged between two adjacent shafts 1, and the number of the anti-pulling piles 4 corresponds to the number of the insertion blocks 5 one by one. The thickness direction of the insert block 5 is provided with a first through hole 9 which is arranged in a penetrating way, and two opposite groove walls of the slot 6 are provided with second through holes 10. The welding of the one end of uplift pile 4 has the first point portion 8 that is coniform setting, and the lateral wall circumference of first point portion 8 is provided with the external screw thread, is convenient for from this during uplift pile 4 inserts earth. The uplift pile 4 has one end welded with the first tip portion 8 penetrating through the first through hole 9 and the second through hole 10 and inserted into soil.

Uplift pile 4 is cavity setting, is provided with many spinal branch 11 in the uplift pile 4, and many spinal branch 11 form two rows, and two rows of spinal branch 11 set up along uplift pile 4's length direction. Meanwhile, through holes 12 corresponding to the positions of the support rods 11 one by one are formed in the side wall of the uplift pile 4, and the support rods 11 can penetrate through the corresponding through holes 12 and extend out of the uplift pile 4. In addition, be provided with in uplift pile 4 and be used for promoting branch 11 to stretch out the impeller outside uplift pile 4, in this embodiment, the impeller is push rod 13, and the one end welding that push rod 13 inserted uplift pile 4 has second point portion 14, and the lateral wall of second point portion 14 is contradicted in the one end that branch 11 is located uplift pile 4, so played the guide effect to push rod 13, made the better insertion uplift pile 4 of push rod 13 and made branch 11 stretch out to earth.

It should be noted that two limiting blocks 15 for limiting the position of the support rod 11 are welded to one end of each support rod 11, which is located at the uplift pile 4, and the two limiting blocks 15 are welded to two ends of the support rod 11 in the diameter direction, respectively, so that the support rod 11 is not easily separated from the uplift pile 4. The lateral wall welding of branch 11 has direction sand grip 16, and direction sand grip 16 sets up along the length direction of branch 11, and guiding hole 17 has been seted up to the pore wall of through-hole 12, and guiding hole 17 sets up along the length direction of the pore wall of through-hole 12, and direction sand grip 16 slides with the guiding hole 17 that corresponds and cooperates to make branch 11 stretch out the difficult rotation of in-process of through-hole 12.

Referring to the figure, the end of the push rod 13 far away from the second tip portion 14 is welded with a fixing plate 18, and the end of the uplift pile 4 far away from the first tip portion 8 is welded with a positioning ring 19. When the push rod 13 is inserted into the uplift pile 4, the fixing plate 18 abuts against a side wall of the positioning ring 19 away from the shaft 1. In addition, be provided with the mounting that is used for fixed holding ring 19 between fixed plate 18 and the holding ring 19, in this embodiment, the mounting is fastening bolt 20, and the length direction's of fixed plate 18 both ends can be seted up and be the first fixed orifices 21 that runs through the setting, and holding ring 19 deviates from a lateral surface of pit shaft 1 and has seted up two second fixed orifices 22, and two second fixed orifices 22 are located the diameter direction's of holding ring 19 both ends. In addition, threaded holes 23 corresponding to the fastening bolts 20 are formed in the inner side wall of the shaft 1, and the fastening bolts 20 are inserted into the first fixing holes 21 and the second fixing holes 22 and screwed into the corresponding threaded holes 23, so that the positioning ring 19 and the fixing plate 18 are fixed to the shaft 1, thereby enhancing the stability of the uplift pile 4.

The lateral wall circumference of uplift pile 4 bonds and has rubber circle 7, and the pore wall circumference of first perforation 9 has been seted up and has been corresponded shrinkage pool 24 with rubber circle 7, and rubber circle 7 cooperates with 24 joints of shrinkage pool, strengthens the leakproofness between uplift pile 4 and the first perforation 9 from this, makes ponding in the earth be difficult for following first perforation 9 infiltration to pit shaft 1 in.

The implementation principle of the open caisson foundation for construction engineering of the application is as follows: the open caisson foundation adopts the 1 equipment of a plurality of pit shafts to form, each inserted block 5 and the slot 6 cooperation of pegging graft that corresponds, first perforation 9 aligns the intercommunication with the perforation 10 of second, it perforates first perforation 9 and the perforation 10 of second and anchor in earth to pass anti-floating pile 4, the setting of first point portion 8 is convenient for anti-floating pile 4 and inserts in earth, and simultaneously, insert push rod 13 and make branch 11 stretch out outside earth, so can fix inserted block 5 in slot 6, it is fixed with holding ring 19 to utilize fastening bolt 20, thereby it is fixed with anti-floating pile 4, by this anti-floating pile 4 can be more stable in inserting earth, thereby the side resistance to plucking of open caisson has been strengthened.

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 an open caisson foundation of building engineering construction usefulness, includes a plurality of sections pit shafts (1), its characterized in that: the opposite ends of two adjacent shafts (1) are provided with a plurality of inserting blocks (5) and inserting grooves (6) corresponding to the inserting blocks (5), each inserting block (5) is in inserting fit with the corresponding inserting groove (6), anti-pulling piles (4) corresponding to the inserting blocks (5) in position one to one are arranged between the two adjacent shafts (1), first through holes (9) are formed in the inserting blocks (5), second through holes (10) are formed in two opposite groove walls of the inserting grooves (6), the anti-pulling piles (4) penetrate through the first through holes (9) and the second through holes (10) and are inserted into the side walls of the caisson, the anti-pulling piles (4) are arranged in a hollow mode, one ends, inserted into soil, of the anti-pulling piles (4) are provided with first pointed portions (8), a plurality of supporting rods (11) are arranged in the anti-pulling piles (4), and through holes (12) are formed in the side walls of the anti-pulling piles (4), and a pushing piece for pushing the support rod (11) to extend out of the uplift pile (4) is arranged in the uplift pile (4).

2. The open caisson foundation for construction of building engineering according to claim 1, wherein: the pushing piece is a pushing rod (13), a second tip portion (14) is arranged at one end of the pushing rod (13), and the side wall of the second tip portion (14) abuts against one end, located on the uplift pile (4), of the supporting rod (11).

3. The open caisson foundation for construction of building engineering according to claim 1, wherein: and one end of the support rod (11) positioned at the uplift pile (4) is provided with a limiting block (15) for limiting the position of the support rod (11).

4. The open caisson foundation for construction of building engineering according to claim 2, wherein: keep away from push rod (13) the one end of second point portion (14) is connected with fixed plate (18), keep away from anti-floating pile (4) the one end of first point portion (8) is provided with holding ring (19), fixed plate (18) contradict in holding ring (19) are kept away from a lateral wall of pit shaft (1), fixed plate (18) with be provided with between holding ring (19) and be used for fixing the mounting of holding ring (19).

5. The open caisson foundation for construction of building engineering according to claim 4, wherein: the mounting is fastening bolt (20), be provided with first fixed orifices (21) on fixed plate (18), be provided with second fixed orifices (22) on holding ring (19), the inside wall of pit shaft (1) be provided with screw hole (23) that fastening bolt (20) correspond, fastening bolt (20) run through first fixed orifices (21) and second fixed orifices (22) and corresponding screw hole (23) threaded connection.

6. The open caisson foundation for construction of building engineering according to claim 1, wherein: the lateral wall circumference of uplift pile (4) is provided with rubber circle (7), the pore wall of first perforation (9) be provided with rubber circle (7) correspond shrinkage pool (24), rubber circle (7) with shrinkage pool (24) joint cooperation.

7. The open caisson foundation for construction of building engineering according to claim 1, wherein: one end, close to the foundation, of the shaft (1) placed on the foundation is provided with a sealing plate (2), and the sealing plate (2) is provided with a puncture tip ring (3).

8. The open caisson foundation for construction of building engineering according to claim 1, wherein: the lateral wall of branch (11) is provided with direction sand grip (16), the pore wall of through-hole (12) is provided with guiding hole (17), direction sand grip (16) with correspond guiding hole (17) cooperation of sliding.