CN213015005U

CN213015005U - Built-in skeleton structure of square pile

Info

Publication number: CN213015005U
Application number: CN202021309169.2U
Authority: CN
Inventors: 王士忠
Original assignee: Shanghai Chongming Water Conservancy Engineering Co ltd
Current assignee: Shanghai Chongming Water Conservancy Engineering Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-04-20
Anticipated expiration: 2030-07-06

Abstract

The application relates to a built-in skeleton structure of a square pile, which comprises a pile body skeleton and a pile tip skeleton, wherein the pile body skeleton comprises four keel bars and keel frames, the four keel bars are arranged in parallel to form a square frame body, the four keel bars are all positioned at end corners inside the keel frames and connected with the keel frames, and the keel bars are provided with a plurality of keel frames along the length direction; the pile tip part framework comprises a pyramid frame connected with a keel frame at one end of the pile body part framework, a plurality of square fixing frames and a plurality of spiral reinforcing steel bars are additionally arranged in the pyramid frame, the square fixing frames are respectively connected with the middle edges of the pyramid frame, the fixing frames are evenly arranged along the length direction of the edges of the pyramid frame, and the spiral reinforcing steel bars are respectively connected with the adjacent fixing frames. This application has the effect that improves square pile bending resistance and shear resistance.

Description

Built-in skeleton structure of square pile

Technical Field

The application relates to a built-in skeleton structure of a square pile.

Background

High-rise buildings, bridges and wharfs require pile foundations to support their upper structures.

Pretensioned prestressed concrete pipe piles manufactured according to national standard 13476 are widely used in foundation engineering. The main purpose of the high-strength prestressed reinforcement arranged in the pile body of the tubular pile is to apply tensile load with the tensile strength of about 70% to the high-strength prestressed reinforcement to give concrete when the tubular pile is manufactured, so that the concrete of the pile body of the tubular pile generates compressive stress.

The inventor finds that the strength of the existing square pile structure may not meet the requirements due to the need of meeting the load generated in the walking process of different vehicles in the bridge road and also considering other environmental factors of the place where the bridge is located, such as typhoon, earthquake and the like.

SUMMERY OF THE UTILITY MODEL

In order to improve bending resistance and the shear resistance of square pile, this application provides a built-in skeleton texture of square pile.

The application provides a built-in skeleton texture of square pile adopts following technical scheme:

a built-in framework structure of a square pile comprises a pile body framework and a pile tip framework, wherein the pile body framework comprises four keel bars and keel frames, the four keel bars are arranged in parallel to form a square framework, the four keel bars are located at end corners inside the keel frames and connected with the keel frames, and the keel bars are provided with a plurality of keel frames along the length direction;

the pile tip part framework comprises a pyramid frame connected with a keel frame at one end of the pile body part framework, a plurality of square fixing frames and a plurality of spiral reinforcing steel bars are additionally arranged in the pyramid frame, the square fixing frames are respectively connected with the middle edges of the pyramid frame, the fixing frames are evenly arranged along the length direction of the edges of the pyramid frame, and the spiral reinforcing steel bars are respectively connected with the adjacent fixing frames.

Through adopting above-mentioned technical scheme, four keel bars and a plurality of keel frame group become pile body portion skeleton, have improved the intensity of pile body portion skeleton, and the stake point portion skeleton is constituteed to pyramid frame, square fixed frame and spiral reinforcement, has guaranteed the intensity of stake point portion skeleton, and pile body portion skeleton and stake point portion skeleton constitute square pile skeleton, have improved the intensity of square pile skeleton, and then have improved the bending resistance and the shear behavior of shaping back square pile.

Preferably, the interval between the adjacent keel frames is reduced in a step manner from the middle part of the keel to the two ends.

Through adopting above-mentioned technical scheme, the bearing capacity at pile body portion skeleton both ends is the biggest, and the fossil fragments frame is laid density at the both ends of keel muscle big, can improve the intensity of pile body portion skeleton, and the required bearing capacity of pile body portion middle part is less relatively, so can reduce the density of laying of fossil fragments frame, has reduced the reinforcing bar use amount of square pile, and then has reduced the cost of manufacture of square pile.

Preferably, be close to the even intermittent type a plurality of that lays in keel both ends be provided with first reinforcing mesh in the keel frame, first reinforcing mesh includes that two parallely laid first strengthen horizontal muscle and two parallely laid first strengthen vertical muscle, first strengthen horizontal muscle and first strengthen vertical muscle and lay perpendicularly.

Through adopting above-mentioned technical scheme, be provided with first reinforcing mesh in being close to the even intermittent type a plurality of fossil fragments frame that lays in keel muscle both ends, reached the effect that further improves square pile both ends intensity, the first horizontal muscle of first enhancement of two parallel layouts and two parallel layouts first enhancement vertical muscle are laid perpendicularly respectively and are constituteed first reinforcing mesh, simple structure makes things convenient for the staff to fix first reinforcing mesh in the fossil fragments frame.

Preferably, the pile body portion skeleton is provided with the second reinforcing mesh in the one end that deviates from pile point portion skeleton, the second reinforcing mesh includes the second that strengthens horizontal muscle and two parallels laying and strengthen the perpendicular muscle with the all enhancement frame of being connected of four keel muscle tip, two parallels laying second, the second is strengthened horizontal muscle and is strengthened perpendicular the laying of muscle with the second, the second is strengthened horizontal muscle and the second and is strengthened perpendicular muscle all with the terminal edge fixed connection of enhancement frame, the both ends that the horizontal muscle was strengthened to the second and the second strengthened perpendicular muscle all extend perpendicularly have the splice bar of being connected with the keel frame.

Through adopting above-mentioned technical scheme, the square pile deviates from the pointed end of square pile and the direct effect of bridge, so the bearing capacity of square pile at the most advanced one end of square pile is the biggest, pile body portion skeleton is provided with the second reinforcing net in the one end that deviates from a sharp portion skeleton, an intensity for improving pile body portion skeleton and deviating from a sharp portion skeleton one end of pile, strengthen the frame, the horizontal muscle is strengthened to the second, the second is strengthened and is erected muscle and splice bar and constitute the second reinforcing net, make things convenient for the staff to fix the second reinforcing net to pile body portion skeleton, the setting of splice bar, the joint strength that the second reinforcing net is fixed to pile body portion skeleton has been guaranteed.

Preferably, the pile toe framework further comprises positioning steel bars arranged along the central axis of the pyramid frame, and fixing ribs for fixing the positioning steel bars are arranged in the fixing frame.

Through adopting above-mentioned technical scheme, the positioning reinforcement is arranged in injecing the position relation of keel frame in pyramid frame and the pile body skeleton, sets up fixed muscle in the fixed frame, has guaranteed that the stable fixing of positioning reinforcement is in the stake point skeleton.

Preferably, one end of the positioning steel bar extends out of one end of the pile tip part framework, which deviates from the pile body part framework.

Through adopting above-mentioned technical scheme, because the pointed portion of square pile need bury underground the ground, burying the in-process underground, the pointed portion of square pile is fragile under the effect that receives the external force, and the spacer bar extends stake point skeleton, increases the most advanced intensity of square pile pointed portion.

Preferably, the pile body framework is provided with hanging rings at positions close to two ends.

By adopting the technical scheme, the square pile is convenient for workers to convey and install.

Preferably, the pile body part framework further comprises a plurality of reinforcing ribs arranged along the length direction of the keel rib, and the plurality of reinforcing ribs are uniformly arranged along the keel frame and are fixedly connected with the keel frames.

Through adopting above-mentioned technical scheme, set up the strengthening rib, further improved the intensity of pile body portion skeleton.

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

1. the pile body part framework and the pile tip part framework form a square pile framework, so that the strength of the square pile framework is improved, and the bending resistance and the shearing resistance of the formed square pile are improved;

2. the first reinforcing meshes are arranged in the keel frames which are uniformly and intermittently distributed near the two ends of the keel bars, so that the effect of further improving the strength of the two ends of the square pile is achieved;

3. pile body portion skeleton is provided with the second at the one end that deviates from pile point portion skeleton and strengthens the net piece for improve the intensity that pile body portion skeleton deviates from pile point portion skeleton one end.

Drawings

Fig. 1 is a schematic view of the overall structure of the present application.

Fig. 2 is a schematic structural view of a pile tip skeleton according to the present application.

Fig. 3 is a schematic cross-sectional view of the framework of the pile body part in the present application.

Fig. 4 is a schematic structural view of a first reinforcing mesh embodied in the present application.

Fig. 5 is a schematic view of a second reinforcing mesh embodied in the present application.

Fig. 6 is a schematic structural view of the fixing frame and the positioning reinforcing bars according to the present invention.

Fig. 7 is a schematic structural diagram of a lifting ring embodied in the present application.

Description of reference numerals: 1. a pile body skeleton; 11. keel and tendon; 12. a keel frame; 2. a pile tip skeleton; 21. a pyramid frame; 22. a fixing frame; 23. spiral reinforcing steel bars; 3. a first reinforcing mesh; 31. a first reinforcing transverse bar; 32. a first reinforcing vertical rib; 4. a second reinforcing mesh; 41. a reinforcing frame; 42. a second reinforcing transverse bar; 43. a second reinforcing vertical rib; 44. connecting ribs; 5. positioning the reinforcing steel bars; 51. fixing the ribs; 6. a hoisting ring; 7. and (5) reinforcing ribs.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses built-in skeleton texture of square pile. Referring to fig. 1 and 2, the square pile built-in skeleton structure includes a pile body skeleton 1 and a pile tip skeleton 2, and the pile tip skeleton 2 is fixed at one end of the pile body skeleton 1.

As shown in fig. 1 and 3, the pile body skeleton 1 includes four keel bars 11 and a plurality of keel frames 12, the four keel bars 11 are arranged in parallel and enclose a frame body in a direction shape, the four keel bars 11 are fixedly connected with four end corners inside the keel frames 12, the plurality of keel frames 12 are arranged along the length direction of the keel bars 11, the space between the adjacent keel frames 12 is reduced in a step-type manner from the middle part to the two ends of the keel bars 11, in combination with fig. 4, a first reinforcing mesh 3 is arranged in the plurality of keel frames 12 which are uniformly and intermittently arranged near the two ends of the keel bars 11, the first reinforcing mesh 3 includes two first reinforcing transverse bars 31 and two first reinforcing vertical bars 32, the two first reinforcing transverse bars 31 are arranged in parallel, the two first reinforcing vertical bars 32 are arranged in parallel, the two first reinforcing transverse bars 31 are perpendicular to the two first reinforcing vertical bars 32 to form a "well" row, the two ends of the two first reinforcing transverse ribs 31 and the two first reinforcing vertical ribs 32 are both vertically arranged with the end edge of the keel frame 12 and are fixedly connected.

As shown in fig. 1 and 5, a second reinforcing mesh 4 is disposed at one end of the pile body part framework 1 away from the pile tip part framework 2, the second reinforcing mesh 4 includes a reinforcing frame 41, two second reinforcing transverse ribs 42, two second reinforcing vertical ribs 43 and a connecting rib 44, the reinforcing frame 41 is disposed at one end of the pile body part framework 1 away from the pile tip part framework 2, four keel ribs 11 are all located at four end corners of the reinforcing frame 41 and are fixedly connected with the reinforcing frame 41, the two second reinforcing transverse ribs 42 are disposed in parallel, the two second reinforcing vertical ribs 43 are disposed in parallel, the two second reinforcing transverse ribs 42 and the two second reinforcing vertical ribs 43 are disposed perpendicularly to form a "well" row, two ends of the two second reinforcing transverse ribs 42 and the two second reinforcing vertical ribs 43 are both disposed perpendicularly to and fixedly connected with the end edges of the reinforcing frame 41, the connecting rib 44 is provided with eight and is respectively perpendicularly fixedly connected with two ends of the second reinforcing transverse ribs 42 and the two second reinforcing vertical ribs 43, the arrangement direction of the connecting ribs 44 is parallel to the length direction of the keel ribs 11, and the keel frame 12 through which the connecting ribs 44 pass is fixedly connected.

As shown in fig. 1 and 2, the pile tip framework 2 includes a pyramid frame 21, a plurality of square fixing frames 22, spiral steel bars 23 and positioning steel bars 5, the pyramid frame 21 is a rectangular pyramid frame 21, one end of the pyramid frame 21 away from the tip end is connected to the keel 11 and the keel 12 in the pile body framework 1, the central axis of the pyramid frame 21 is arranged in line with the central axis of the pile body framework 1, the plurality of square fixing frames 22 are uniformly arranged along the length direction of the edge of the pyramid frame 21, four edges of the pyramid frame 21 are fixedly connected with the fixing frames 22 at four inner corners of the fixing frames 22, the spiral steel bars 23 are fixedly arranged between two adjacent fixing frames 22 and are fixedly connected with the edge of the pyramid frame 21, the positioning steel bars 5 are arranged at the central axis of the pyramid frame 21, two ends of the positioning steel bars 5 respectively penetrate through two ends of the pyramid frame 21, and referring to fig. 6, fixing steel bars 51 for fixing the positioning steel bars 5 are arranged in the fixing frames, the two fixing ribs 51 are arranged in the fixing frame 22 in a crossed manner, and the two fixing ribs 51 are fixedly connected with the positioning steel bars 5 in a crossed manner.

As shown in fig. 1 and 7, eight reinforcing ribs 7 are further arranged on the pile body framework 1, the eight reinforcing ribs 7 are divided into four pairs of reinforcing rib 7 groups which are arranged in parallel, each pair of reinforcing ribs 7 groups are respectively arranged along the length direction of the keel 11 and are fixedly connected with a keel frame 12 on the pile body framework 1, the pile body framework 1 is provided with lifting rings 6 at positions close to two ends, the lifting rings 6 are in a shape like a Chinese character 'ji', one ends of the lifting rings 6 extend into the pile body framework 1 and are fixedly connected with the keel 11, and the other ends of the lifting rings 6 vertically extend out of the pile body framework 1.

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 built-in skeleton texture of square pile which characterized in that: the pile comprises a pile body part framework (1) and a pile tip part framework (2), wherein the pile body part framework (1) comprises four keel bars (11) and keel frames (12), the four keel bars (11) are arranged in parallel to form a square frame body, the four keel bars (11) are all positioned at the end corners inside the keel frames (12) and are connected with the keel frames (12), and the keel bars (11) are provided with a plurality of keel frames (12) along the length direction;

stake point portion skeleton (2) include pyramid frame (21) of being connected with stake body portion skeleton (1) one end keel frame (12), add square fixed frame (22) that are equipped with in pyramid frame (21) that the arris limit is connected respectively in a plurality of and pyramid frame (21), a plurality of fixed frame (22) are evenly laid along the edge length direction of pyramid frame (21), and are adjacent add between fixed frame (22) and be equipped with spiral reinforcement (23) of connecting adjacent fixed frame (22) respectively.

2. The square pile internal framework structure according to claim 1, wherein: the interval between the adjacent keel frames (12) is reduced from the middle part of the keel (11) to the two ends in a stage mode.

3. A square pile internal framework structure according to claim 2, wherein: be close to a plurality of that keel muscle (11) both ends were laid evenly intermittent type be provided with first reinforcing mesh (3) in keel frame (12), first reinforcing mesh (3) are including two first enhancement horizontal muscle (31) that the parallel was laid and two first enhancement vertical muscle (32) that the parallel was laid, first enhancement horizontal muscle (31) is laid perpendicularly with first enhancement vertical muscle (32).

4. The square pile internal framework structure according to claim 1, wherein: pile body portion skeleton (1) is provided with second reinforcing mesh (4) in the one end that deviates from pile point portion skeleton (2), second reinforcing mesh (4) include strengthen frame (41) all being connected with four keel muscle (11) tip, second that two parallels were laid is strengthened horizontal muscle (42) and two parallels are laid and are strengthened perpendicular muscle (43), horizontal muscle (42) are strengthened with the second and are strengthened perpendicular muscle (43) and lay, horizontal muscle (42) are strengthened with the second to the second strengthen perpendicular muscle (43) all with the terminal edge fixed connection who strengthens frame (41), the both ends that horizontal muscle (42) and second strengthened perpendicular muscle (43) are strengthened to the second all extend perpendicularly have link (44) be connected with keel frame (12).

5. The square pile internal framework structure according to claim 1, wherein: the pile tip framework (2) further comprises positioning steel bars (5) arranged along the central axis of the pyramid frame (21), and fixing ribs (51) used for fixing the positioning steel bars (5) are arranged in the fixing frame (22).

6. The square pile internal framework structure according to claim 5, wherein: one end of the positioning steel bar (5) extends out of one end of the pile tip part framework (2) deviating from the pile body part framework (1).

7. The square pile internal framework structure according to claim 1, wherein: and hoisting rings (6) are arranged at positions close to the two ends of the pile body part framework (1).

8. The square pile internal framework structure according to claim 1, wherein: pile body portion skeleton (1) still includes a plurality of strengthening ribs (7) of laying along keel muscle (11) length direction, a plurality of strengthening rib (7) are along evenly laying of keel frame (12) and with the equal fixed connection of a plurality of keel frame (12).