CN210194605U

CN210194605U - Asymmetric bamboo joint stake from top to bottom

Info

Publication number: CN210194605U
Application number: CN201920874663.4U
Authority: CN
Inventors: Jiaming Shu; 舒佳明; Mengbo Wang; 王孟波; Wei Ming; 明维; Fangfang Zhang; 张芳芳; Weiwei Cao; 曹伟伟
Original assignee: Ningbo Zhong Chun Hi Tech Ltd By Share Ltd
Current assignee: Ningbo Zhong Chun Hi Tech Ltd By Share Ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-03-27
Anticipated expiration: 2029-06-12

Abstract

The utility model discloses an upper and lower asymmetric bamboo joint pile, which comprises a centrifugally formed pile body, wherein a cylindrical hole is axially formed in the center of the pile body, pile heads are respectively arranged at two ends of the pile body, a pile body is formed between the pile heads, and bamboo joint parts which are integrated with the pile body are formed on the outer surface of the pile body at intervals; the outer surface of the bamboo joint part is composed of a first inclined surface, a cylindrical surface and a second inclined surface which are sequentially connected, the first inclined surface and the outer surface of the pile body form a first included angle, the second inclined surface and the outer surface of the pile body form a second included angle, and the angle of the second included angle is larger than that of the first included angle. The utility model has the advantages that: simple structure adopts the bamboo joint structure of centrifugal forming army's title, and bearing capacity is good, can regard as anti-floating pile to use again can regard as the resistance to compression stake to use.

Description

Asymmetric bamboo joint stake from top to bottom

Technical Field

The utility model belongs to the technical field of the bamboo joint stake is made and specifically relates to indicate an upper and lower asymmetric bamboo joint stake.

Background

Pile foundations are visible everywhere in coastal areas, and the pile foundations have become an indispensable part in various building fields at present. The existing pile foundations are mainly divided into two categories from the perspective of construction methods: one is cast in place, and the other is prefabricated in factories. Along with the promotion of the industrialization process of China, energy conservation, emission reduction, industrialization and integration are promoted more and more; the quality can be guaranteed on the one hand in the mill prefabrication, and on the one hand, the mill prefabrication is efficient, and resource utilization is high.

The degree of factory prefabrication is higher and higher, technicians develop various-shaped special-shaped piles, the special-shaped piles can exert the performance of materials to the maximum extent and save a large amount of raw materials, and bamboo-joint piles are one of representatives of the special-shaped piles. At present, bamboo joints of pile are symmetrical, the bamboo joints are symmetrical up and down, the different actions on the upper and lower surfaces of the bamboo joints are not optimized reasonably, and the bamboo joints used for uplift piles and compression-resistant piles are unified and are not distinguished from the stress characteristics; therefore, the structure thereof is desired to be further improved.

Disclosure of Invention

The utility model aims to solve the technical problem that to prior art's current situation, provide simple structure, bearing capacity is good, can regard as uplift pile to use again can regard as the one kind of the asymmetric bamboo joint stake from top to bottom that the resistance to compression stake used.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

an upper and lower asymmetric bamboo joint pile comprises a centrifugally formed pile body, wherein a cylindrical hole is axially formed in the center of the pile body, pile heads are respectively arranged at two ends of the pile body, a pile body is formed between the pile heads, and bamboo joint parts which are integrated with the pile body into a whole are formed on the outer surface of the pile body at intervals; the outer surface of the bamboo joint part is composed of a first inclined surface, a cylindrical surface and a second inclined surface which are sequentially connected, the first inclined surface and the outer surface of the pile body form a first included angle, the second inclined surface and the outer surface of the pile body form a second included angle, and the angle of the second included angle is larger than that of the first included angle.

The optimized technical measures further comprise:

and reinforcing bars are axially arranged in the pile body.

The height of the protrusions of the bamboo joint parts is 25mm to 100 mm.

The distance between the adjacent bamboo joints is 1000mm to 2000 mm.

The utility model discloses an upper and lower asymmetric bamboo joint stake, simple structure, the pile body adopts centrifugal molding, the pile head that the structure is the same is set up at pile body both ends, the surface interval shaping of pile body has bamboo joint portion, the angle of the second contained angle between bamboo joint portion and the pile body is greater than the angle of first contained angle to form upper and lower asymmetric structure; the middle part of the bamboo joint part is of a cylindrical structure, so that the phenomenon of edge crushing during pile body demoulding can be avoided. When the anti-pulling pile is used as an anti-pulling pile, the first included angle is upward, and the second included angle is downward; when the pressure-resistant pile is used, the bamboo joint pile is used in an inverted mode, the second included angle is located at the upper portion, and the first included angle is located at the lower portion. This bamboo joint stake adopts asymmetric structure, can satisfy the demand that uses as the resistance to plucking stake, can satisfy the demand that the resistance to compression stake used again.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a view showing a state of the uplift pile in use;

fig. 4 is an acceptance analysis diagram of the utility model when used as an uplift pile;

FIG. 5 is a view showing a state of the utility model in use as a compression pile;

fig. 6 is an analysis chart of acceptance when the compressive pile of the present invention is used.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 6, the structure of the present invention is schematically illustrated,

wherein the reference numerals are: the pile comprises a protruding height h, a distance L, a pile body 1, a cylindrical hole 1a, a pile head 11, a pile body 12, a bamboo joint part 2, a first inclined surface 2a, a cylindrical surface 2b, a second inclined surface 2c and reinforcing bars 3.

As shown in figures 1 to 6 of the drawings,

a vertically asymmetric bamboo joint pile comprises a centrifugally formed pile body 1, a cylindrical hole 1a is formed in the center of the pile body 1 in the axial direction, pile heads 11 are arranged at two ends of the pile body 1 respectively, a pile body 12 is formed between the pile heads 11, bamboo joint parts 2 which are integrated with the pile body 12 in a structure are formed on the outer surface of the pile body 12 at intervals, the outer surface of each bamboo joint part 2 is composed of a first inclined surface 2a, a cylindrical surface 2b and a second inclined surface 2c which are sequentially connected, a first included angle α is formed between each first inclined surface 2a and the outer surface of the pile body 12, a second included angle β is formed between each second inclined surface 2c and the outer surface of the pile body 12, and the angle of each second included angle β is larger than that of the first included angle α.

In the embodiment, the pile body 1 is provided with reinforcing bars 3 axially.

In the embodiment, the height h of the protrusions of the bamboo joint 2 is 25mm to 100 mm.

In the embodiment, the distance L between adjacent bamboo joints 2 is 1000mm to 2000 mm.

The utility model discloses a bamboo joint stake adopts centrifugal forming, the center of pile body 1 is the cylinder hole 1a with ordinary precast pile is the same, the both ends of pile body 1 set up the pile head 11 that the structure is the same respectively, the surface interval shaping of pile body 12 between the pile head 11 has bamboo joint portion 2, the middle part of bamboo joint portion 2 is the cylindricality structure, the contained angle that forms between first inclined plane 2a and the face of cylinder 2b is the obtuse angle, the contained angle that forms between face of cylinder 2b and the second inclined plane 2c also is the obtuse angle, owing to adopt centrifugal forming, the existence of sharp-pointed acute angle has been avoided in the structure, the emergence of edge conquassation phenomenon when can avoiding the drawing of patterns of pile body 1.

The first inclined plane 2a and the outer surface of the pile body 12 form a first included angle α, the second inclined plane 2c and the outer surface of the pile body 12 form a second included angle β, the angle of the second included angle β is larger than the angle of the first included angle α, an asymmetric structure is formed, the protruding height h of the bamboo joint part 2 is 25 mm-100 mm, the bamboo joint pile can be suitable for construction processes such as hammering, static pressure and static drilling root planting, in the specific manufacturing process, the protruding height h of the bamboo joint part 2 can be adjusted according to local soil characteristics, static pressure, hammering and other soil squeezing methods are adopted for construction, if the soil layer is relatively good and mainly soil layers such as clay and silty clay are adopted, the protruding height h of the bamboo joint part 2 can be relatively reduced, and therefore soil body recovery of soil bodies in the later period is facilitated, if the soil layer is relatively poor and mainly comprises silt and silty clay, the protruding height h of the bamboo joint part 2 can be relatively increased, and the pile type is further beneficial to exerting the excellent performance of the.

As shown in figures 3 and 4, when the bamboo joint pile is used as a uplift pile, a first included angle α is located upwards, a second included angle β is located downwards, a reverse-inward F1 is received in the construction process, a contact surface is a surface (a second inclined surface 2c) where a second included angle β is located, F1 is decomposed into vertical F1 'and horizontal F1', and when the second included angle β is larger, vertical resistance is smaller, construction is facilitated, when the acting surface subjected to soil body resistance F in the actual uplift application process is a surface (a first inclined surface 2a) where a first included angle α is located, F is decomposed into vertical F ', horizontal F', when the first included angle α is smaller, the vertical resistance is larger, uplift resistance generated by bamboo joint protrusions can be better transmitted to a pile body from the vertical direction, and the performance of the bamboo joint pile body can be more fully exerted from the view of the soil body and the pile body structure.

As shown in figures 5 and 6, when the bamboo joint pile is used as a compression resistant pile, the second included angle β is up, and the first included angle α is down, when the acting surface of the pile subjected to the soil resistance F2 in the actual compression resistant application process is the plane (the first inclined surface 2a) of the first included angle α, the F2 is decomposed, namely the vertical F2 'and the horizontal F2', the vertical resistance is higher when the first included angle α is smaller, the compression resistant bearing capacity is higher, the compressive force generated by the bamboo joint protrusions can be better transmitted to the pile body from the vertical direction for the pile structure, and the performance of the bamboo joint pile can be more fully exerted from the view of the soil body and the pile body structure.

The utility model discloses a bamboo joint stake, simple structure, it is convenient to make, and bearing capacity is good, adopts asymmetric structure, can regard as the uplift pile to use and can regard as the stake of resistance to compression to use again.

While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by those skilled in the art without departing from the scope of the present invention.

Claims

1. The vertically asymmetric bamboo joint pile comprises a centrifugally formed pile body (1), wherein a cylindrical hole (1a) is formed in the center of the pile body (1) in the axial direction, and the vertically asymmetric bamboo joint pile is characterized in that pile heads (11) are respectively arranged at two ends of the pile body (1), a pile body (12) is formed between the pile heads (11), bamboo joint parts (2) which are integrated with the pile body (12) are formed on the outer surface of the pile body (12) at intervals, the outer surface of each bamboo joint part (2) is formed by a first inclined surface (2a), a cylindrical surface (2b) and a second inclined surface (2c) which are sequentially connected, a first included angle (α) is formed between the first inclined surface (2a) and the outer surface of the pile body (12), a second included angle (β) is formed between the second inclined surface (2c) and the outer surface of the pile body (12), and the angle of the second included angle (β) is larger than that of the first included angle (α).

2. The upper and lower asymmetric bamboo joint pile as claimed in claim 1, which is characterized in that: and reinforcing bars (3) are axially arranged in the pile body (1).

3. The upper and lower asymmetric bamboo joint pile as claimed in claim 2, wherein: the height (h) of the protrusions of the bamboo joint parts (2) is 25mm to 100 mm.

4. The upper and lower asymmetric bamboo joint pile as claimed in claim 3, wherein: the distance (L) between adjacent bamboo joint parts (2) is 1000mm to 2000 mm.