CN212375850U

CN212375850U - Pile splicing reinforcing device for foundation anti-pulling square pile

Info

Publication number: CN212375850U
Application number: CN201922341004.7U
Authority: CN
Inventors: 林庆东; 黄兆传
Original assignee: JIANGSU JINDING FOUNDATION BUILDING MATERIAL CO LTD
Current assignee: JIANGSU JINDING FOUNDATION BUILDING MATERIAL CO LTD
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2021-01-19
Anticipated expiration: 2029-12-20

Abstract

The utility model provides a stake reinforcing apparatus is met to basic resistance to plucking square pile, includes square pile end plate, characterized by: when the upper pile body and the lower pile body are used for pile splicing, the pile splicing reinforcing device is arranged on the vertical surface, two ends of the force increasing clamp are provided with pins which are respectively embedded in corresponding slots of the upper pile body and the lower pile body, and a filler is arranged in the gap between the pins and the slots. The pile splicing machine has the advantages that the structure is simple, the use is convenient, the pile splicing quality can be ensured to be achieved and enhanced, the labor and the materials are saved due to the arrangement of the new slot, the positioning is firm, and the tensile strength and the bending strength of the pile splicing part are one point two to one point five times of the strength of the pile body.

Description

Pile splicing reinforcing device for foundation anti-pulling square pile

Technical Field

The utility model relates to a pile extension device of foundation pile in the aspect of building, especially a foundation resistance to plucking square pile extension reinforcing apparatus.

Background

With the development of society, various buildings leap forward, the requirements on the basic design are stronger, and the design of a pile body and the pile splicing quality are particularly important. The existing pile body pile splicing mode is as follows: the uplift pile is divided into two types, namely a round pile and a square pile. The round pile is characterized in that a connecting iron plate is sealed at the periphery of the joint of the end plates of the two piles, the end plates penetrate through the pile body by using studs, and the joint is welded, so that the process is complex, the operation difficulty is high, and the construction cost is high; the existing square pile is only welded at the four-side joint of the end plate when two piles are jointed, and the tensile strength and the bending strength of the pile joint of the existing square pile often cannot meet the design requirements. The solid square pile is generally a preferred pile foundation of low bearing platform foundation with large horizontal load, and is required to have higher seismic array degree for industrial, civil buildings, bridges, ports, water conservancy and the like.

In the pile sinking process of the common square pile, a multi-section pile connection mode is generally adopted, common welding is generally adopted, the welding grade requirement reaches two levels, but in actual operation, due to the fact that electric welding technology and responsibility of operators are different, the welding quality often cannot meet the design requirement, the pile splicing quality of the uplift pile is very high, and therefore mechanical connection needs to be additionally arranged on the original welding basis during pile splicing, and the pile quality can be guaranteed to meet the design requirement.

SUMMERY OF THE UTILITY MODEL

To foretell problem and requirement, the utility model provides a new pile extension structure reaches and strengthens pile extension quality, simple structure, convenient to use.

The utility model provides a technical scheme of problem is: the utility model provides a stake reinforcing apparatus is met to basic resistance to plucking square pile, includes square pile end plate, characterized by: pile splicing reinforcing devices are arranged when the upper pile body and the lower pile body are spliced, each pile splicing reinforcing device is composed of a reinforcing clamp and a slot, the slots are arranged above the four vertical surfaces of the square pile end plate, two pins are arranged at two ends of the reinforcing clamp, the two pins are respectively embedded in the corresponding slots of the upper pile body and the lower pile body, and filling materials are arranged at gaps between the pins and the slots.

The slot is rectangular, the slot body is perpendicular to the square pile body, and the surface of the slot body, which is connected with the vertical surface of the end plate, is the upper surface of the vertical surface of the end plate.

The inner angle chamfer of the pin of the force increasing card is the chamfer of the included angle between the inner surface and the bottom surface of the pin.

The gap between the plug pin and the slot is provided with filler which is daub.

The force increasing card is a steel casting or a steel plate forging forming piece.

Pile splicing of a new foundation uplift square pile: the seam between four faces of the joint of the end plates of the upper pile body and the lower pile body is welded electrically, then a pile splicing reinforcing device is installed, two pins of a reinforcing card are respectively embedded into corresponding slots of the upper pile body and the lower pile body, and the gap is filled with filler cement.

The beneficial effects of the utility model are that, simple structure, convenient to use can ensure to reach and strengthen the pile extension quality, and setting up of new slot saves labour, economizes the material, and the location is firm, and tensile, the bending strength of pile extension department are one two to one five times of the intensity of pile body.

Drawings

Fig. 1 is a schematic view of the structure of the utility model in use.

Fig. 2 is a schematic structural view of the force increasing card of the present invention.

Fig. 3 is a right side view of fig. 2.

Fig. 4 is a view B-B of fig. 1.

Fig. 5 is a view a-a of fig. 1.

Fig. 6 is a bottom view of the end plate of the pile body.

Fig. 7 is a left side view of fig. 6.

In the figure, 1, an upper pile body, 2, a lower pile body, 3, an upper pile body end plate, 4, a lower pile body end plate, 5, an upper pile body slot, 6, filling materials, 7, a force increasing clamp, 8, a gap between an upper end plate and a lower end plate, 9, a lower pile body slot, 10, electric welding, 11, an upper pin of the force increasing clamp, 12, a lower pin of the force increasing clamp, 13 and an inner angle chamfer of the pin are shown.

Detailed Description

The utility model provides a foundation resistance to plucking square pile extension reinforcing apparatus, includes square pile end plate (3, 4), characterized by: pile splicing reinforcing devices are arranged when the upper pile body (1) and the lower pile body (2) are spliced, each pile splicing reinforcing device is composed of a reinforcing clamp (7) and slots (5 and 9), the slots (5 and 9) are arranged above four vertical surfaces of the square pile end plates (3 and 4), pins (11 and 12) are arranged at two ends of the reinforcing clamp (7), the two pins (11 and 12) are respectively embedded in the corresponding slots (5 and 9) of the upper pile body and the lower pile body (1 and 2), and filling materials (6) are arranged at gaps between the pins (11 and 12) and the slots (5 and 9).

The slots (5, 9) are rectangular, the slot bodies are perpendicular to the square pile bodies (1, 2), and the faces of the slot bodies, which are connected with the vertical faces of the end plates (3, 4), are the upper faces of the vertical faces of the end plates.

The inner corners of the pins (11, 12) of the force increasing card (7) are chamfered (13).

The filling material (6) arranged at the gap between the pins (11, 12) and the slots (5, 9) is daub.

The force increasing card (7) is a steel casting or a steel plate forging forming piece.

Pile splicing of a new foundation uplift square pile: the method comprises the steps of firstly, electrically welding gaps (8) between four surfaces of joints of end plates (3, 4) of upper and lower pile bodies (1, 2) to form a joint (10), then installing a pile splicing reinforcing device, respectively embedding two pins (11, 12) of a reinforcing clamp (7) into corresponding slots (5, 9) of the upper and lower pile bodies (1, 2), and filling gaps with filler (6) cement.

Claims

1. The utility model provides a stake reinforcing apparatus is met to basic resistance to plucking square pile, includes square pile end plate, characterized by: pile splicing reinforcing devices are arranged when the upper pile body and the lower pile body are spliced, each pile splicing reinforcing device is composed of a reinforcing clamp and a slot, the slots are arranged above four vertical surfaces of the square pile end plate, two ends of each reinforcing clamp are provided with plug pins, the two plug pins are respectively embedded in the corresponding slots of the upper pile body and the lower pile body, and filling materials are arranged at gaps between the plug pins and the slots.

2. A foundation uplift square pile extension reinforcing device according to claim 1, wherein: the slot is rectangular, the slot body is perpendicular to the square pile body, and the surface of the slot body, which is connected with the vertical surface of the end plate, is the upper surface of the vertical surface of the end plate.

3. A foundation uplift square pile extension reinforcing device according to claim 1 or 2, wherein: the inner angle chamfer of the pin of the force increasing card is the chamfer of the included angle between the inner surface and the bottom surface of the pin.

4. A foundation uplift square pile extension reinforcing device according to claim 1 or 2, wherein: the filler is arranged at the gap between the plug pin and the slot and is daub.