CN209741831U

CN209741831U - Prestressed pipe pile

Info

Publication number: CN209741831U
Application number: CN201920383241.7U
Authority: CN
Inventors: 张文骞; 武洁; 肖阳; 李鹏; 张淏喆
Original assignee: Zhengzhou Zhongtian Building Energy Saving Co Ltd
Current assignee: Feng Yingming; Liu Houxia; Zongtian Construction Group Co.,Ltd.
Priority date: 2019-03-25
Filing date: 2019-03-25
Publication date: 2019-12-06
Anticipated expiration: 2029-03-25

Abstract

The utility model discloses a prestressed pipe pile, which comprises a pile body, wherein the pile body comprises a reinforcement cage framework and concrete, the reinforcement cage framework is positioned in the concrete, the reinforcement cage framework comprises a first circular reinforcement cage and a second circular reinforcement cage, a first stirrup is arranged between the first circular reinforcement cage and the second circular reinforcement cage, the first stirrup is respectively connected with the first circular reinforcement cage and the second circular reinforcement cage, the joint of the first circular reinforcement cage and the first stirrup is provided with a first main reinforcement, the joint of the first stirrup and the second circular reinforcement cage is provided with a second main reinforcement, a second stirrup is arranged between the second circular reinforcement cage and the first stirrup, the joint of the second stirrup and the second circular reinforcement cage is provided with a third main reinforcement, the outer surface of the pile body is provided with a friction layer with an isosceles trapezoid cross section, the utility model discloses a structural strength is big, and surface friction is big, and it is firm to combine with the soil, and the bearing capacity is strong.

Description

Prestressed pipe pile

Technical Field

The utility model relates to a building technical field especially relates to a prestressed pipe pile.

Background

the prestressed pipe pile is a prefabricated engineering pile, is mainly used for pile foundation engineering to improve the bearing capacity of foundation and foundation, and can transfer the building load of upper portion to the soil layer with strong deep bearing capacity or can squeeze the soft soil layer tightly to raise the bearing capacity and compactness of foundation soil. With the increasing population of China, the available land is gradually reduced, the floor of a house is higher and higher, and the requirements on the bearing capacity and the strength of the pipe pile are continuously improved. The existing common tubular pile or the improved tubular pile body has simple structure, the structural strength of the pile body needs to be enhanced, and in addition, the combination firmness of the tubular pile and soil is low, so the bearing capacity is poor.

disclosure of Invention

An object of the utility model is to overcome not enough among the prior art, provide a structural strength is big, bearing capacity is strong prestressed pipe pile.

The utility model discloses a realize through following technical scheme:

A prestressed pipe pile comprises a pile body, wherein the pile body comprises a reinforcement cage framework and concrete, the reinforcement cage framework is positioned in the concrete, the reinforcement cage framework comprises a first circular reinforcement cage and a second circular reinforcement cage, the first circular reinforcement cage is positioned inside the second circular reinforcement cage, the first circular reinforcement cage and the second circular reinforcement cage are concentrically arranged, a first stirrup is arranged between the first circular reinforcement cage and the second circular reinforcement cage, the first stirrup is respectively connected with the first circular reinforcement cage and the second circular reinforcement cage, a first main reinforcement is arranged at the joint of the first circular reinforcement cage and the first stirrup, a second main reinforcement is arranged at the joint of the first stirrup and the second circular reinforcement cage, a third main reinforcement is arranged between the second main reinforcements, and the third main reinforcement is connected with the second circular reinforcement cage, the circular steel reinforcement cage of second with be equipped with the second stirrup between the first stirrup, the second stirrup with the third owner muscle is connected, be equipped with the main muscle connecting plate on the steel reinforcement cage skeleton, the main muscle connecting plate is connected with first main muscle, second owner muscle and third owner muscle, the surface of pile body is equipped with evenly distributed's friction strip, the cross section of friction strip is isosceles trapezoid.

Preferably, the two ends of the pile body are provided with end plates, and the end plates are provided with through holes for the first main rib, the second main rib and the third main rib to penetrate through.

Preferably, first main muscle is equipped with three, second main muscle sets up three, three are no less than in third main muscle setting, first main muscle the both ends surface of second main muscle and third main muscle all is equipped with the screw thread.

Preferably, the inner surface of the pile body and the outer surface of the friction strip are both provided with an anticorrosive coating.

Preferably, be equipped with the preformed hole on the pile body, and the inner chamber of preformed hole has the limiting plate through sealing washer swing joint, the bottom fixedly connected with fixture block of limiting plate, the inboard correspondence of fixture block is connected with the drag hook.

Preferably, the preformed hole is spirally formed, the preformed hole is of a horn-shaped structure at two ends, and the sealing ring is a sponge filler.

The beneficial effects of the utility model reside in that: the utility model discloses the steel reinforcement cage skeleton that is arranged in the concrete includes first circular steel reinforcement cage, the circular steel reinforcement cage of second, first stirrup, the second stirrup, first main muscle, second main muscle, third main muscle, and first stirrup and second stirrup are triangle-shaped, triangle-shaped has stability, the intensity of pile body structure has been strengthened greatly, the cross section that pile body surface set up has increased the area of contact between the pile body and the soil for isosceles trapezoid's friction strip, it is more firm to make tubular pile and earth combine, thereby the bearing capacity of tubular pile has been strengthened.

Drawings

Fig. 1 is a schematic structural view of the present invention;

Fig. 2 is a left side view of the present invention;

FIG. 3 is a schematic view of the end plate structure of the present invention;

FIG. 4 is a schematic view of the drag hook structure of the present invention;

Fig. 5 is the structural schematic diagram of the main rib connecting plate of the present invention.

Wherein: pile body 1, first circular steel reinforcement cage 2, the circular steel reinforcement cage 3 of second, first stirrup 4, second stirrup 5, first main muscle 6, second main muscle 7, third main muscle 8, friction strip 9, limiting plate 10, fixture block 11, end plate 12, drag hook 13, through-hole 14, main muscle connecting plate 15.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-5, a prestressed pipe pile comprises a pile body 1, the pile body 1 comprises a reinforcement cage framework and concrete, the reinforcement cage framework is located in the concrete, the reinforcement cage framework comprises a first circular reinforcement cage 2 and a second circular reinforcement cage 3, the first circular reinforcement cage 2 is located inside the second circular reinforcement cage 3, the first circular reinforcement cage 2 and the second circular reinforcement cage 3 are concentrically arranged, a first stirrup 4 is fixedly connected between the first circular reinforcement cage 2 and the second circular reinforcement cage 3, the first stirrup 4 is a regular triangle, three sides are tangent to the first circular reinforcement cage 2, the tangent point is a connection point of the first stirrup 4 and the first circular reinforcement cage 2, a plurality of first stirrups 4 are uniformly distributed on the first circular reinforcement cage 2, a first main reinforcement 6 is fixedly connected at the connection point of the first circular reinforcement cage 2 and the first stirrup 4, and the number of the first main reinforcements 6 is three, three corners of a first stirrup 4 in the shape of a regular triangle are connected with a second circular reinforcement cage 3, the joints are fixedly connected with second main reinforcements 7, the number of the second main reinforcements is three, a second stirrup 5 is fixedly connected between the second circular reinforcement cage 3 and the first stirrup 4, the second stirrup 5 is an isosceles triangle which takes the three sides of the first stirrup 4 as the bottom side, the crossed vertexes of the two waist sides of the three isosceles triangles are connected with the second circular reinforcement cage 3, the joints are fixedly connected with third main reinforcements 8, and the number of the third main reinforcements 8 is three. First stirrup 4 and second stirrup 5 are triangle-shaped, and triangle-shaped has stability, reinforcing steel reinforcement cage skeleton's structural strength. Still fixedly connected with owner muscle connecting plate on the steel reinforcement cage skeleton, main muscle connecting plate and first main muscle 6, second main muscle 7 and the 8 fixed connection of third main muscle further increase the structural strength of steel reinforcement cage skeleton.

The outer surface of the pile body 1 is uniformly distributed friction strips 9 with isosceles trapezoid-shaped cross sections, the contact area of the pile body 1 and the ground is increased through the friction strips 9, so that the pipe pile is combined with the soil more firmly, and the bearing capacity of the prestressed pipe pile is enhanced. The inner surface of the pile body 1 and the outer surface of the friction strip 9 are coated with anticorrosive layers which are anticorrosive composite glue, so that the corrosion resistance of the prestressed pipe pile is greatly improved.

the both ends of pile body 1 are connected with end plate 12, have the through-hole that makes first main muscle 6, second main muscle 7 and third main muscle 8 pass on end plate 12, and the both ends surface of first main muscle 6, second main muscle 7 and third main muscle 8 all has the screw thread, and the through-hole on end plate 12 is passed to the screw thread end, and the screw thread end is connected with the nut cooperation, makes end plate 12 fixed.

There is the preformed hole on the pile body 1, and the preformed hole runs through pile body 1, and the preformed hole is the heliciform, and the preformed hole is both ends horn structure, and the inner chamber of preformed hole has limiting plate 10 through sealing washer swing joint, and the sealing washer is the sponge filler, and limiting plate 10's bottom fixedly connected with fixture block 11, the inboard correspondence of fixture block 11 is connected with drag hook 13. When the tubular pile is driven into the preset position, the draw hook 13 which is matched with the clamping block 11 is arranged at the bottom of the tubular pile to upwards pull the limiting plate 10, so that the sealing ring of the sponge filler is elastically deformed, the limiting plate 10 is of a horizontal structure, the bearing capacity of the tubular pile is improved, the problem that the bearing capacity of the tubular pile is insufficient in certain special areas if the tubular pile is in an area with soft geology is solved, and hidden dangers are brought to construction safety.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. The utility model provides a prestressed pipe pile, includes the pile body, its characterized in that: the pile body comprises a reinforcement cage framework and concrete, the reinforcement cage framework is positioned in the concrete, the reinforcement cage framework comprises a first circular reinforcement cage and a second circular reinforcement cage, the first circular reinforcement cage is positioned inside the second circular reinforcement cage, the first circular reinforcement cage and the second circular reinforcement cage are concentrically arranged, a first stirrup is arranged between the first circular reinforcement cage and the second circular reinforcement cage, the first stirrup is respectively connected with the first circular reinforcement cage and the second circular reinforcement cage, a first main reinforcement is arranged at the joint of the first circular reinforcement cage and the first stirrup, a second main reinforcement is arranged at the joint of the first stirrup and the second circular reinforcement cage, a third main reinforcement is arranged between the second main reinforcements, the third main reinforcement is connected with the second circular reinforcement cage, and a second stirrup is arranged between the second circular reinforcement cage and the first stirrup, the second stirrup with the third main reinforcement is connected, be equipped with the main muscle connecting plate on the steel reinforcement cage skeleton, the main muscle connecting plate is connected with first main muscle, second main muscle and third main muscle, the surface of pile body is equipped with evenly distributed's friction strip, the cross section of friction strip is isosceles trapezoid.

2. The pre-stressed pipe pile of claim 1, wherein: the two ends of the pile body are provided with end plates, and the end plates are provided with through holes for the first main ribs, the second main ribs and the third main ribs to pass through.

3. The pre-stressed pipe pile of claim 2, wherein: the first main rib is provided with three, the second main rib is provided with three, the third main rib is provided with no less than three, and the surfaces of the two ends of the first main rib, the second main rib and the third main rib are provided with threads.

4. The pre-stressed pipe pile of claim 1, wherein: and the inner surface of the pile body and the outer surface of the friction strip are both provided with an anticorrosive coating.

5. The pre-stressed pipe pile of claim 1, wherein: the pile body is provided with a preformed hole, the inner cavity of the preformed hole is movably connected with a limiting plate through a sealing ring, the bottom of the limiting plate is fixedly connected with a clamping block, and the inner side of the clamping block is correspondingly connected with a drag hook.

6. The pre-stressed pipe pile of claim 5, wherein: the preformed hole is spirally formed, the preformed hole is of a horn-shaped structure at two ends, and the sealing ring is a sponge filler.