CN213417808U - Concrete pipe pile with slag powder in pretensioning method prestress - Google Patents

Abstract

The utility model discloses a concrete pipe pile of slag powder in pretensioning prestressing force, which comprises an upper body column, a lower body column and a base, wherein steel wires are wound inside the upper body column, the steel wires are attached to the inner side wall of the surface of the upper body column, an anti-flow column is installed on the outer side wall of the surface of the bottom of the upper body column, the lower body column is installed on the outer side wall of the surface of the bottom of the anti-flow column, the base is installed on the surface of the bottom of the lower body column, a plurality of same fixing holes are embedded on the outer side wall of the surface of the base, a plurality of same inserting holes are arranged on the inner side wall of the surface of the base, a guide pipe runs through the left end inside the anti-flow column, one side of the guide pipe runs through the inner side wall of the top end of the lower body column, the other side of the guide pipe runs through the inside of the fixing column, the utility model can more, the installation is more convenient, is fit for being widely used.

Description

Concrete pipe pile with slag powder in pretensioning method prestress

Technical Field

The utility model relates to a building construction material field especially relates to a concrete pipe pile of slag powder in pretensioning method prestressing force.

Background

At the end of the last 60 th century, the hogftai bridge factory of the Ministry of railways began to produce pretensioned prestressed concrete pipe piles (abbreviated as PC pipe piles), which were mainly used for the foundation construction of railway bridge engineering; post-tensioning prestressed concrete pipe piles were developed and produced in the 70 s; since the 70 s, especially in the construction of Baoshan steel works in Shanghai, a large number of steel pipe piles introduced in Japan were used, which not only had high cost but also had poor durability. In order to meet the requirements of port construction development, the three navigation departments of the department of transportation in 1987 introduce a prestressed high-strength concrete pipe pile (PHC pipe pile for short) production line from Japan in a complete set, the main specification of the PHC pipe pile is from 600mm to 1000mm, in the later 80 s, Ningbo Zhedong cement product Limited company cooperates with related scientific research institutions, aiming at the characteristics of sludge weak geology in coastal areas of China, through the reconstruction of PC pipe piles, pretensioned prestressed concrete thin-wall pipe piles (PTC pipe piles for short) are developed, the main specifications of the PTC pipe piles are that the taper is 300mm to 600mm, 1989 to 1992, the former national building administration Suzhou concrete cement product research institute and Panyu city Qiaofeng cement product Limited company according to the actual conditions of China, through the digestion and absorption of the introduced tubular pile production line, the domestic prestressed high-strength concrete tubular pile is developed autonomously, and the achievement is listed as a national key promotion project by the original construction department in 1993.

The patent number CN 105330252U discloses a concrete pipe pile, which comprises an upper pile body, a lower pile body, an excessive slope, a turbulent flow column and a protective layer; in order to overcome the defects of the existing concrete pipe pile, the concrete pipe pile can better reduce the corrosion of the external environment, increase the friction force with the soil body, and has stronger bearing capacity and stability.

The concrete pipe pile disclosed in the above patent has the following disadvantages: 1. when the concrete pipe pile is used on the soil with the soft silt geology, the concrete pipe pile is not firmly installed, a large amount of labor cost is needed for installation, and the working efficiency is reduced. 2. The concrete pipe pile can not be disassembled and installed, so that time and labor are wasted during installation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a concrete pipe pile of slag powder in pretensioning prestressing force, the utility model installs the lower column at the bottom of the earth, so that the base contacts with the bottom of the earth, the safety jack is embedded on the surface outer wall of the base, an operator can stand on the pedal plate and insert the fixing steel bar into the earth from the fixing hole, because the fixing holes are all installed around the surface of the base, the operator can fix the lower column at a proper position according to the requirement, the steel bar in the fixing hole can firmly fix the lower column, the lower column is placed to be deviated or cut, the operator can stand on the pedal plate to carry out the work, prevent the bottom sludge from being too loose, the operator can influence the action of the constructor when constructing on the earth, the inconvenient construction can be avoided, simultaneously, the unknown object at the lower end of the earth can not stab the foot of the constructor, after the lower column is installed, the foot pedal can be removed.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of concrete pipe pile of slag powder in pretensioning method prestressing force, including last body, lower body and base, the inside steel wire that all twines of last body, the steel wire laminating is in last body surface inside wall, upper part column bottom surface outside wall mounting anti-class post, install down the body on the anti-class post bottom surface lateral wall, body bottom surface mounting base down, inlay a plurality of the same fixed orificess on the base surface lateral wall, set up a plurality of the same ann pin holes on the base surface inside wall, the inside left end of anti-class post runs through the pipe, one side of pipe runs through in the surperficial inside wall on body top down, the opposite side of pipe runs through the inside at the spud pile, the spud pile is inside to run through oblique funnel.

Optionally, the outer side wall of the surface of the upper body column is made by mixing slag powder and concrete, a guide pipe penetrates through the upper body column, and a feed inlet of the guide pipe is in sliding connection with a discharge funnel of the inclined cutting funnel.

Optionally, a pedal is installed on the inner side wall of the bottom surface of the anti-flow column, the fixing pile is located at the upper end of the top of the upper column, the shielding plates are installed on the left side and the right side of the fixing pile, and the shielding plates are located at the lower end of the inclined cutting funnel.

Optionally, a plurality of identical insertion holes are formed in the inner side walls of the top end and the bottom surface of the upper body column, and the insertion holes in the upper body column are located right above the insertion holes in the inner side wall of the surface of the base.

The utility model has the advantages as follows:

the embodiment of the utility model provides a concrete pipe pile of slag powder in pretensioning method prestressing force:

1. install down the body post in earth bottom, make base and earth bottom contact, it has the ann jack to inlay on the surperficial lateral wall of base, the operator can stand on the running-board, insert the fixed reinforcement in the earth from the fixed orifices, because the fixed orifices is all installed around the base surface, the operator can be fixed down the body post in appropriate position according to the demand of oneself, reinforcing bar in the fixed orifices can be with firm the fixing of body post down, place body post skew or cut and incline down, the operator can stand and carry out this work on the running-board, prevent that the silt of bottom is too loose, the operator can influence constructor's action in the construction on earth, it is inconvenient to be under construction, avoid simultaneously that the unclear object of earth lower extreme stabs constructor's foot, after will the body post down install, can take the running-board off, carry out operation on next step.

2. The steel wire is wound on the inner wall side of the upper body column, the combination of the steel wire and the concrete not only can reinforce the rigidity of the upper body column per se, but also can save the use of the steel wire, the periphery of the steel wire is wrapped by the concrete to avoid the contact of the steel wire and the air, the surface of the steel wire can not be oxidized by the air, the anti-flow column is fixedly connected on the outer side wall of the top surface of the lower body column, because after the upper body column is fixedly connected with the lower body column, no gap cracks exist at a joint before the upper body column is completely healed, the anti-flow column mainly plays a role of protection, the erosion of the gap at the joint caused by the external air flow and the rainwater is prevented, the stability of the tubular pile per se is reinforced, the upper body column is arranged on the inner side of the anti-flow column from top to bottom, the surface of the upper body column is mixed by the slag powder and the concrete, the upper body column can be firmer, the mounting hole on the upper body column is matched with the mounting hole on the, because the circumference of the inner side wall of the upper body column is provided with the inserting holes, the upper body column can be stably connected with the lower body column, because the outer side of the lower body column is fixed by reinforcing steel bars, the inner side of the lower body column is also fixed by reinforcing steel bars, the upper body column and the lower body column are simultaneously fixed inside and outside, so that the concrete pipe pile is more stable in soil, the top end of the upper body column is provided with a fixed column, the fixed column mainly fixes the inclined funnel, the position of the inclined funnel at the upper end of the upper body column cannot be influenced by wind power to deviate, a discharge port of the inclined funnel is fixedly connected with a guide pipe, the guide pipe penetrates from the upper body column to the lower body column, an operator pours the concrete into the inclined funnel, the concrete flows into the lower body column and the upper body column along the guide pipe, so that the concrete pipe column is more stable, the shielding plates are arranged around the fixed column and are positioned under the inclined funnel, and, prevent that the high altitude weight from pounding the constructor in the underground, can demolish slope funnel, fixed column and shielding plate after irrigating well.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a concrete pipe pile in pre-tensioning prestressing by using slag powder according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a base of a concrete pipe pile with slag powder in pretensioning prestressing according to an embodiment of the present invention.

In the figure: 1. a base; 2. a lower body pillar; 3. a foot pedal; 4. an anti-flow column; 5. cutting an inclined funnel; 6. a cover plate; 7. fixing the pile; 8. a steel wire; 9. an upper body column; 10. a conduit; 11. installing a jack; 12. and (7) fixing holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

The concrete pipe pile of slag powder in pretensioning prestressing according to the embodiment of the present invention will be described in detail with reference to fig. 1-2.

Referring to fig. 1 and 2, a concrete pipe pile in pretensioning prestressing by using slag powder provided by the embodiment of the invention comprises an upper body column 9, a lower body column 2 and a base 1, the steel wires 8 are wound inside the upper body column 9, the steel wires 8 are attached to the inner side wall of the surface of the upper body column 9, the outer side wall of the bottom surface of the upper body column 9 is provided with an anti-flow column 4, the outer side wall of the bottom surface of the anti-flow column 4 is provided with a lower body column 2, the bottom surface of the lower body column 2 is provided with a base 1, the outer side wall of the surface of the base 1 is embedded with a plurality of same fixing holes 12, a plurality of identical inserting holes 11 are arranged on the inner side wall of the surface of the base 1, the left end inside the anti-flow column 4 penetrates through the guide pipe 10, one side of the guide pipe 10 penetrates through the inner side wall of the surface of the top end of the lower body column 2, the other side of the guide pipe 10 penetrates through the inside of the fixing pile 7, and the inside of the fixing pile 7 penetrates through the beveling funnel 5.

Referring to fig. 1, the outer side wall of the surface of the upper body column 9 is made of slag powder and concrete, a guide pipe 10 penetrates through the upper body column 9, and a feeding hole of the guide pipe 10 is connected with a discharging hole of the inclined cutting funnel 5 in a sliding mode.

Illustratively, the upper body 9 is made of a mixture of slag powder and concrete, so that the upper body 9 is more solid, the concrete is poured from the inclined funnel 5, and the concrete can be irrigated into the lower body 2 and the upper body 9 along the conduit 10.

Referring to fig. 1, a pedal 3 is installed on the inner side wall of the bottom surface of the anti-flow column 4, the fixing pile 7 is located at the upper end of the top of the upper body column 9, the covering plates 6 are installed on the left side and the right side of the fixing pile 7, and the covering plates 6 are located at the lower end of the inclined cutting funnel 5.

For example, a constructor can operate on the pedal plate 3, the operation on the soil can affect the action of the constructor, the construction is inconvenient, meanwhile, the damage of an unknown object at the lower end of the soil to the foot of the constructor is avoided, and the pedal plate 3 can be taken down after the lower body column 2 is installed; the baffle plate 6 is arranged around the fixed column 7, the baffle plate 6 is located under the inclined funnel 5, and the baffle plate 6 prevents concrete from falling from the high altitude in the irrigation process, so that underground constructors are prevented from being hit by falling objects.

Referring to fig. 1, a plurality of identical insertion holes are formed in the inner side walls of the top end and the bottom surface of the upper body column 9, and the insertion holes in the upper body column 9 are located right above the insertion holes 11 in the inner side wall of the surface of the base 1.

The example, with ann's jack on the upper part of the body post 9 and the inboard hole of ann of base 1 to it for fixed reinforcing bar inserts in the hole of ann 11 of base 1 from the inboard hole of ann of upper part of the body post 9 down, because all there is the hole of ann around the inside wall of upper part of the body post 9, can be with the firm connection of upper part of the body post 9 on lower part of the body post 2, because the outside of lower part of the body post 2 has the reinforcing bar fixed, the inboard also has the reinforcing bar fixed, fix upper part of the body post 9 and lower part of the body post 2 simultaneously inside and outside, make concrete pipe pile more firm in earth.

When in use, the lower body column 2 is arranged at the bottom of the soil, so that the base 1 is contacted with the bottom of the soil, the installation holes 11 are embedded on the outer side wall of the surface of the base 1, an operator can stand on the pedal 3 to insert the fixing reinforcing steel bars into the soil from the fixing holes 12, because the fixing holes 12 are all arranged on the periphery of the surface of the base 1, the operator can fix the lower body column 2 at a proper position according to the requirement, the reinforcing steel bars in the fixing holes 12 can firmly fix the lower body column 2 to prevent the lower body column 2 from deviating or inclining, the operator can stand on the pedal 3 to perform the work, prevent the bottom sludge from being too loose, the operation of the operator on the soil can influence the action of constructors, the construction is inconvenient, meanwhile, the unknown objects at the lower end of the soil can be prevented from stabbing the feet of the constructors, the pedal 3 can be taken down after the lower body column 2 is installed, carrying out the next operation; the steel wire 8 is wound on the inner wall side of the upper body column 9, the combination of the steel wire 8 and the concrete not only can reinforce the rigidity of the upper body column 9 per se, but also can save the use of the steel wire 8, the periphery of the steel wire 8 is wrapped by the concrete to avoid the contact of the steel wire and the air, the surface of the steel wire 8 cannot be oxidized by the air, the anti-flow column 4 is fixedly connected on the outer side wall of the top surface of the lower body column 2, after the upper body column 9 is fixedly connected with the lower body column 2, no gap crack exists at the interface before the complete healing, the anti-flow column 4 mainly plays a role of protection, the erosion of the interface gap by the outside air flow and the rainwater is prevented, the stability of the tubular pile per se is reinforced, the upper body column 9 is installed on the inner side of the anti-flow column 4 from top to bottom, the surface of the upper body column 9 is prepared by mixing slag powder and the concrete, the upper body column 9 can be firmer, the safety jack on the upper body column 9 and, the fixed steel bar is inserted into the inserting hole 11 of the base 1 from the inserting hole of the upper body column 9, the upper body column 9 can be stably connected to the lower body column 2 due to the inserting holes arranged around the inner side wall of the upper body column 9, the lower body column 9 is fixed by the steel bar at the outer side, the inner side is also fixed by the steel bar, the upper body column 9 and the lower body column 2 are simultaneously fixed at the inner side and the outer side, so that the concrete pipe pile is more stable in soil, the top end of the upper body column 9 is provided with the fixed column 7, the fixed column 7 mainly fixes the inclined funnel 5, the position of the inclined funnel 5 cannot be influenced by wind power to deviate at the upper end of the upper body column 9, the discharge port of the inclined funnel 5 is fixedly connected with the guide pipe 10, the guide pipe 10 penetrates through the lower body column 2 from the upper body column 9, an operator pours the concrete into the inclined funnel 5, and flows into the lower body column 2 and the inner part of the upper, install shielding plate 6 around fixed column 7, shielding plate 6 is located slope funnel 5 under, and shielding plate 6 prevents that the concrete from having the omission to fall from the high altitude in the irrigation, prevents that the high altitude from falling down the thing and pounding underground constructor, can demolish oblique funnel 5, fixed column 7 and shielding plate 6 after having irrigated.

It should be noted that the utility model relates to a concrete pipe pile with slag powder in pretensioning prestressing, which comprises a base 1; 2. a lower body pillar; 3. a foot pedal; 4. an anti-flow column; 5. cutting an inclined funnel; 6. a cover plate; 7. fixing the pile; 8. a steel wire; 9. an upper body column; 10. a conduit; 11. installing a jack; 12. the fixing holes and the components are all universal standard parts or components known to those skilled in the art, and the structure and the principle of the fixing holes are known to those skilled in the technical manual or by routine experiments.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (4)

1. The concrete pipe pile of the slag powder in the pretensioning method prestress comprises an upper body column (9), a lower body column (2) and a base (1), and is characterized in that a steel wire (8) is wound inside the upper body column (9), the steel wire (8) is attached to the inner side wall of the surface of the upper body column (9), an anti-flow column (4) is installed on the outer side wall of the bottom surface of the upper body column (9), the lower body column (2) is installed on the outer side wall of the bottom surface of the anti-flow column (4), the base (1) is installed on the surface of the bottom surface of the lower body column (2), a plurality of same fixing holes (12) are embedded on the outer side wall of the surface of the base (1), a plurality of same mounting and inserting holes (11) are formed on the inner side wall of the surface of the base (1), a guide pipe (10) penetrates through the left end inside the anti-flow column (4), one side of the guide pipe (10) penetrates through the inner, the other side of the guide pipe (10) penetrates through the inside of the fixed pile (7), and the inclined cutting funnel (5) penetrates through the inside of the fixed pile (7).

2. A concrete pipe pile of slag powder in pretensioning prestressing according to claim 1, characterized in that the interior of the upper body column (9) is penetrated through a conduit (10), and the inlet of the conduit (10) is slidably connected with the outlet funnel of the oblique cutting funnel (5).

3. The concrete pipe pile of slag powder in pretensioning prestressing according to claim 1, wherein a pedal (3) is installed on the inner side wall of the bottom surface of the anti-flow column (4), the fixed pile (7) is located at the upper end of the top of the upper body column (9), the shielding plates (6) are installed on the left side and the right side of the fixed pile (7), and the shielding plates (6) are located at the lower end of the inclined cutting funnel (5).

4. The concrete pipe pile of slag powder in pretensioning prestressing according to claim 1, wherein a plurality of identical insertion holes are formed in the inner side walls of the top end and the bottom surface of the upper body column (9), and the insertion holes in the upper body column (9) are positioned right above the insertion holes (11) in the inner side walls of the surface of the base (1).

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