CN106013209A - Rib frame and pile foundation - Google Patents

Abstract

The invention provides a tendon frame and a pile foundation thereof. Wherein, the reinforcement frame includes: a plurality of main reinforcements and stirrups; wherein, the plurality of main reinforcements are arranged in a rectangular shape; and the stirrups connect each of the main reinforcements. In the present invention, the reinforcement frame includes main reinforcements arranged in a rectangle and stirrups connecting the main reinforcements. Compared with a cylindrical reinforcement frame or a cuboid reinforcement frame with a diameter equal to the long side of the rectangle, a large number of main reinforcements and stirrups are saved. ribs, which saves cost, and the foundation pit dug in the present invention corresponding to the rib frame is small in size, so electric Luoyang shovels and small detachable auger drilling machines can be used to mechanically form holes. The construction is convenient and safe, and solves the problem of existing problems. Some problems of manual excavation are time-consuming and labor-intensive, and at the same time, less waste earthwork is produced, which solves the problem of more and more serious damage to the surrounding environment, and there is no need to build concrete cofferdams around the foundation pit.

Description

Tendon frame and pile foundation

technical field

The invention relates to the technical field of transmission line tower foundations, in particular to a tendon frame and a pile foundation.

Background technique

At present, the foundation pit of the transmission line tower is a cylinder or a cuboid, and the corresponding rib frame is also a cylinder or a cuboid, which increases the usage of the main ribs and stirrups constituting the rib frame and increases the cost.

In addition, as the voltage level of the transmission line increases and the number of lines increases, the foundation load increases exponentially, and the diameter and depth of the excavated foundation pit become larger and larger. It is necessary to build concrete cofferdams around the foundation pit. On the other hand, the volume of waste earth and stone produced by excavating foundation pits is also increasing, and the damage to the surrounding environment is becoming more and more serious. In addition, in hard plastic clay areas where the transmission lines pass through less groundwater and better uprightness, limited by the industrial characteristics of inconvenient transportation and difficult transportation, as well as the long, short, flat and fast operation mode of multiple points and lines, large-scale construction machinery and equipment and tools The equipment is difficult to transport and reach, and the undisturbed soil foundation type is generally excavated by hand, which increases the labor force.

Contents of the invention

In view of this, the present invention proposes a rib frame, aiming at solving the problem that the existing rib frame has a large number of main ribs and stirrups under the premise of ensuring the installation strength. The invention also proposes a pile foundation.

In one aspect, the present invention provides a reinforcement frame, which includes: a plurality of main reinforcements and stirrups; wherein, the plurality of main reinforcements are arranged in a rectangular shape; and the stirrups connect each of the main reinforcements.

Further, in the above-mentioned rib frame, the stirrup is one; the stirrup is helically wound along the length direction of the main rib.

Further, in the above-mentioned rib frame, each of the main ribs is arranged at equal intervals.

Further, in the above-mentioned rib frame, the stirrups are welded to each of the main ribs.

Further, the above-mentioned tendon frame further includes: a plurality of binding wires; wherein, the stirrups are connected to each of the main reinforcements through the plurality of binding wires.

Further, in the above-mentioned rib frame, there are multiple stirrups; the multiple stirrups are wound along the length direction of the main rib.

In the present invention, the reinforcement frame includes main reinforcements arranged in a rectangle and stirrups connecting the main reinforcements. Compared with a cylindrical reinforcement frame or a cuboid reinforcement frame with a diameter equal to the long side of the rectangle, a large number of main reinforcements and stirrups are saved. ribs, saving costs.

On the other hand, the present invention also proposes a pile foundation, which comprises: the tendon frame according to one aspect of the present invention and concrete poured on the tendon frame.

Further, the above-mentioned pile foundation also includes: anchor bolts; wherein, the anchor bolts are embedded in the concrete, and the anchor bolts are partly located outside the concrete.

Further, in the above-mentioned pile foundation, there are multiple anchor bolts; the multiple anchor bolts are arranged in a rectangle, and the anchor bolts are located inside the main reinforcement.

Further, in the above-mentioned pile foundation, each of the anchor bolts is arranged at equal intervals.

Since the rib frame has the above-mentioned effects, the pile foundation with the rib frame also has a corresponding technical effect, and compared with the cylindrical or cuboid pile foundation with a diameter equal to the long side of the rectangle, a large amount of concrete is also saved.

In yet another aspect, the present invention also proposes a power transmission tower, comprising: a pole tower and the pile foundation according to another aspect of the present invention; wherein, the tower foot of the pole tower is connected to the pile foundation.

Since the pile foundation has the above effects, the power transmission tower with the pile foundation also has corresponding technical effects.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiment. The drawings are only for the purpose of illustrating a preferred embodiment and are not to be considered as limiting the invention. Also throughout the drawings, the same reference numerals are used to designate the same components. In the attached picture:

Fig. 1 is the structural representation of the rib frame that the embodiment of the present invention provides;

Fig. 2 is the sectional view of the rib frame provided by the embodiment of the present invention;

Fig. 3 is the structural representation of the pile foundation provided by the embodiment of the present invention;

Fig. 4 is another structural schematic view of the pile foundation provided by the embodiment of the present invention;

Fig. 5 is another structural schematic diagram of the pile foundation provided by the embodiment of the present invention.

detailed description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

Referring to Fig. 1 and Fig. 2, Fig. 1 is a schematic structural diagram of a rib frame provided by an embodiment of the present invention, and Fig. 2 is a cross-sectional view of a rib frame provided by an embodiment of the present invention. As shown in the figure, the reinforcement frame includes: a plurality of main reinforcements 1 and stirrups 2 . During specific implementation, the main bars 1 and the stirrups 2 can be steel bars, so that the strength of the main bars 1 and the stirrups 2 is increased. in,

A plurality of main reinforcements 1 are arranged in a rectangle, and each main reinforcement 1 is connected by stirrups 2 . During specific implementation, a plurality of main ribs 1 may be parallel to each other along the axial direction of the main ribs 1 , further, each main rib 1 is arranged at equal intervals. The main reinforcement 1 can be welded together with the stirrup 2. Optionally, the main reinforcement 1 and the stirrup 2 can also be connected to each other at the position where the main reinforcement 1 and the stirrup 2 intersect by wire binding. Optionally, the stirrup 2 can also be wound around the body of the main reinforcement 1, so as to connect the main reinforcement 1 and the stirrup 2 to each other.

The reinforcement frame in this embodiment includes rectangularly arranged main reinforcements and stirrups connecting the main reinforcements, and is used for installation in a back-shaped foundation pit corresponding to the shape of the reinforcement frame. Compared with the existing cylindrical foundation The rib frame installed in the pit, the rib frame in this embodiment saves a lot of main ribs and stirrups, saving costs, and the foundation pit dug corresponding to the rib frame in this embodiment is small in size, so the electric Luoyang shovel can be used , The small detachable auger drilling machine mechanically forms holes, which is convenient for construction and has a high degree of safety. It solves the problem of time-consuming and labor-intensive manual excavation. More and more serious problems, and there is no need to build concrete cofferdams around the foundation pit.

In the above embodiment, the stirrup 2 is one, and the stirrup 2 is helically wound along the length direction of the main rib 1 . During specific implementation, the arrangement density of stirrups 2 from bottom to top along the length direction of the main reinforcement 1 is increasing. Since the upper part of the reinforcement frame is subjected to a large tension and pressure, this arrangement can ensure the firmness of the entire reinforcement frame. , thereby increasing the service life of the rib frame.

In the above embodiment, there are multiple stirrups 2 , and the multiple stirrups 2 are wound along the length direction of the main bar 1 . During specific implementation, the length direction of each stirrup 2 is perpendicular to the length direction of the main rib 1, and each stirrup 2 wraps around each main rib 1 in a rectangular arrangement, and each stirrup 2 is parallel to each other. The distance between the stirrups 2 from bottom to top along the length direction of the main reinforcement 1 is getting smaller and smaller. Since the upper part of the reinforcement frame is subject to a large tension and pressure, this arrangement can ensure the firmness of the entire reinforcement frame, thereby increasing The service life of the rib frame.

The rib frame in this embodiment is connected by the main ribs and stirrups arranged in a rectangular shape, and is used to be installed in a back-shaped foundation pit corresponding to the shape of the rib frame. Compared with the ribs installed in the existing cylindrical foundation pit The rib frame in this embodiment saves a lot of main ribs and stirrups, and the foundation pit dug in this embodiment corresponding to the rib frame is small in size, so electric Luoyang shovels and small detachable auger drilling machines can be used Hole formation, convenient construction and high safety, solves the time-consuming and labor-intensive problem of manual excavation, and at the same time produces less waste earth and stone, solves the problem of more and more serious damage to the surrounding environment, and also There is no need to build concrete cofferdams around the foundation pit.

Examples of pile foundations:

An embodiment of the present invention also provides a pile foundation, which includes the tendon frame of any one of the above embodiments and concrete poured on the tendon frame. Wherein, for the specific implementation process of the rib frame, refer to the above description, which will not be repeated here in this embodiment.

In this embodiment, by pouring concrete on the reinforcement frame, the shape of the concrete after solidification corresponds to the shape of the reinforcement frame. Compared with the pile foundation in the existing cylindrical or cuboid foundation pit, this embodiment saves a lot reinforcement frame and concrete, and the foundation pit dug in this embodiment corresponding to the pile foundation is small in size, so electric Luoyang shovel and small detachable auger drilling machine can be used to mechanically form holes, which is convenient for construction and has a high degree of safety. The existing manual excavation is time-consuming and labor-intensive, and at the same time, less waste earth and stone is produced, which solves the problem of more and more serious compression damage to the surrounding environment, and does not need to build concrete cofferdams around the foundation pit.

In the above embodiment, the pile foundation further includes anchor bolts 3, as shown in Fig. 3 and Fig. 4, the anchor bolts 3 are embedded in concrete, and part of the anchor bolts 3 is located outside the concrete. During specific implementation, the manufacturing material of the anchor bolt 3 can be high-quality carbon steel, and the anchor bolt 3 is used to connect the tower foot of the pole tower, which increases the strength of the anchor bolt 3 .

In the above embodiment, there are multiple anchor bolts 3 ; the plurality of anchor bolts 3 are arranged in a rectangle, and the anchor bolts 3 are located inside the main reinforcement 1 . During specific implementation, the anchor bolts 3 are arranged at equal intervals. The anchor bolts 3 are used to connect the tower feet of the tower, and the position setting of the anchor bolts 3 enhances its pull-out resistance.

It should be noted that the setting method of the anchor bolts 3 generally adopts the positioning method known to those skilled in the art with a positioning plate, and the positioning plate is arranged in parallel on the ground, and the anchor bolts 3 pass through the positioning holes on the positioning plate, and the ground The anchor bolt 3 is connected with a nut, the diameter of the nut is greater than the diameter of the positioning hole, and the nut is placed on the upper end of the positioning hole, so as to ensure that the anchor bolt 3 will not pass through the positioning hole as a whole due to gravity and fall into the foundation pit, and can also pass through the positioning hole. Adjust the nut to control the height of the anchor bolt 3 part above the ground.

Examples of transmission towers:

This embodiment also provides a power transmission tower, which includes: a pole tower and the pile foundation of any one of the above embodiments. Wherein, the pole tower includes a tower body and a tower foot, and the tower foot is connected with a pile foundation. Wherein, for the specific implementation process of the pile foundation, refer to the above description, and this embodiment will not repeat it here.

Since the pile foundation has the above effects, the power transmission tower with the pile foundation also has corresponding technical effects.

This embodiment also provides a method for making a pile foundation, the method comprising the following steps:

S100: making a rib frame;

S200: placing the rib frame in a preset foundation pit corresponding to the shape of the rib frame;

S300: setting the anchor bolts in the foundation pit through the positioning plate;

S400: pouring concrete into the foundation pit.

In S100, the rib frame is the rib frame of any one of the above-mentioned embodiments, and the specific implementation process of the rib frame can refer to the above description, and this embodiment will not be repeated here.

In S200, a foundation pit is excavated in advance corresponding to the shape of the reinforcement frame. Slightly larger than the rib frame to ensure that the rib frame can be placed in the foundation pit.

In S300, the positioning plate is set parallel to the ground, the anchor bolt passes through the positioning hole on the positioning plate, the anchor bolt is connected with a nut, the diameter of the nut is larger than the diameter of the positioning hole, and the nut is placed on the upper end of the positioning hole, It is ensured that the anchor bolts will not pass through the positioning holes as a whole due to gravity and fall into the foundation pit, and the height of the anchor bolts above the ground can also be controlled by adjusting the nuts.

In S400, concrete is poured in the foundation pit, and after the concrete is solidified, the positioning plate in S300 is removed, and the pile foundation is completed.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and equivalent technologies thereof, the present invention also intends to include these modifications and variations.

Claims (10)

1. A tendon support, comprising: a plurality of main reinforcements (1) and stirrups (2); wherein,

the main ribs (1) are arranged in a rectangular shape;

the stirrups (2) connect the main reinforcements (1).

2. Tendon support according to claim 1,

the hoop reinforcement (2) is one;

the stirrup (2) is spirally wound along the length direction of the main reinforcement (1).

3. Tendon support according to claim 1,

the main ribs (1) are arranged at equal intervals.

4. Tendon support according to claim 1,

the stirrups (2) are welded with the main reinforcements (1).

5. The tendon support of claim 1, further comprising: a plurality of binding wires; wherein,

the hooping (2) is connected with each main reinforcement (1) through a plurality of binding wires.

6. Tendon support according to claim 1,

the stirrups (2) are multiple;

and a plurality of stirrups (2) are wound along the length direction of the main reinforcement (1).

7. A pile foundation, comprising: a tendon frame as claimed in any one of claims 1 to 6 and concrete poured onto the tendon frame.

8. The pile foundation of claim 7, further comprising: a plurality of anchor bolts (3); wherein,

the anchor bolts (3) are embedded in the concrete, and the anchor bolts (3) are partially positioned outside the concrete;

the foundation bolts (3) are arranged in a rectangular shape, and the foundation bolts (3) are located on the inner side of the main rib (1).

9. Pile foundation according to claim 8, characterised in that the anchor bolts (3) are arranged at equal intervals.

10. A transmission tower comprising: a tower and pile foundation according to any one of claims 8-9; and tower feet of the tower are connected with the pile foundation.