Prefabricated piles, connecting structure of prefabricated piles and construction method of connecting structure

A technology for connecting structures and prefabricated piles, which is used in infrastructure engineering, sheet pile walls, buildings, etc., can solve the problems of carbon fiber materials that cannot be welded and extruded, and the connection form cannot be applied, and achieves reliable connection, convenient installation, and resistance to resistance. The effect of high level and pull-out bearing capacity

Active Publication Date: 2019-06-07
ANHUI INST OF BUILDING RES & DESIGN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for prefabricated piles based on carbon fiber materials, the characteristics of carbon fiber materials cannot be welded and extruded, so common connection forms in engineering cannot be applied

Method used

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  • Prefabricated piles, connecting structure of prefabricated piles and construction method of connecting structure
  • Prefabricated piles, connecting structure of prefabricated piles and construction method of connecting structure
  • Prefabricated piles, connecting structure of prefabricated piles and construction method of connecting structure

Examples

Experimental program
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Effect test

Embodiment 1

[0034] see figure 1 with image 3 In this embodiment, a prefabricated pile is provided, including a pile body 1 formed of concrete (that is, formed by pouring concrete), end plates 11 arranged at both ends of the pile body 1, and a reinforcement cage 12 arranged in the pile body 1, The reinforcement cage 12 includes several main reinforcements 121 arranged along the length direction of the pile body 1 and reinforcements 122 spirally surrounding the main reinforcements 121. In this embodiment, the pile body 1 is a cylindrical structure, and the main reinforcements 121 are close to the pile body 1. The outer walls are arranged in a ring. see figure 2 , several connecting cylinders 13 are vertically embedded in the terminal plate 11, the outer ends of the connecting cylinders 13 are flush with the surface of the terminal plate 11, the two ends of the main ribs 121 extend outward through the connecting cylinders 13, and the connecting cylinders 13 are sealed Filled with colloi...

Embodiment 2

[0038] see Figure 5 , In this embodiment, a connection structure of prefabricated piles is provided, and the connection structure can connect two prefabricated piles up and down into one body. The connection structure of the prefabricated piles includes a cylindrical connecting body 2 tightly connected between the prefabricated piles 5, the two ends of the cylindrical connecting body 2 are embedded with a connecting cylinder 13 corresponding to the main reinforcement of the prefabricated piles 5, and the two prefabricated piles 5 The main rib 121 extends to the connecting cylinder 13 of the cylindrical connecting body 2, and a sleeve 3 is set on the cylindrical connecting body 2, and the gap between the sleeve 3 and the side wall of the cylindrical connecting body 2 and the connecting cylinder 13 are filled There are colloids.

[0039] see Figure 10 , the connection structure of the prefabricated piles provided in this embodiment can be tightly connected between two prefab...

Embodiment 3

[0046] On the basis of Embodiment 2, another connection structure of prefabricated piles is provided in this embodiment, and a casing 4 is also sleeved on the outer walls of the sleeve 3 and the upper and lower two prefabricated piles 5, see Figure 12 with Figure 13 , the casing 4 is a separate structure, including two identical semi-annular casings 41, the semi-annular casings 41 are combined to form a complete casing 4, and on the side wall of the joint of the two semi-annular casings 41 A plurality of horizontal holes 414 are correspondingly embedded, and bolts are connected in the horizontal holes 414, and colloid is also filled in the horizontal holes 414; several snapping structures are also provided at the joint of the half-ring casing 41, and the snapping structures are in the The protruding part 411 extending outward from the side wall of the half-ring casing 41 at the splicing part, and the notch 412 correspondingly embedded in the side wall of the other half-ring ...

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Abstract

The invention discloses prefabricated piles, a connecting structure of the prefabricated piles and a construction method of the connecting structure. The prefabricated piles include pile bodies and end head plates at the two ends, wherein a plurality of connecting cylinders are arranged in the end head plates in an embedded mode, and the two ends of a main rib penetrate through the connecting cylinders and extend outwards; the connecting cylinders are filled with colloids in a sealing mode, and the whole pile bodies have no metal materials; ribs and the pile bodies can be effectively preventedfrom being eroded by chloride ions in corrosive environments such as seawater; the connecting structure of the prefabricated piles comprises columnar connecting bodies tightly connected between the prefabricated piles, and sleeves are arranged on the columnar connecting bodies in a sleeving mode; and gaps between the sleeves and the side walls of the columnar connecting bodies and the connectingcylinders are all filled with the colloids, the connecting structure can be tightly connected between the two prefabricated piles, the connection is reliable, and the function of corrosion resistanceand high-strength connection can be realized. The construction method of the connecting structure comprises the steps that the columnar connecting bodies and the sleeves are installed, and the installation is convenient.

Description

technical field [0001] The invention belongs to the technical field of pile body connection, and in particular relates to a prefabricated pile, a connection structure of the prefabricated pile and a construction method of the connection structure. Background technique [0002] Domestic prefabricated pile connections based on steel bars mainly include welding connections, mechanical connections, and hoop connections. Among them, the welding connection method in engineering is widely used because of its fast construction speed. However, for prefabricated piles based on carbon fiber materials, the characteristics of carbon fiber materials cannot be welded and extruded, so common connection forms in engineering cannot be applied. With the application of carbon fiber material reinforced prefabricated piles in the fields of foundation pit engineering, high pile wharf and slope engineering, the bearing performance of prefabricated piles and their joint connections has become the ke...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/30
Inventor 吴平郭杨乐腾胜
Owner ANHUI INST OF BUILDING RES & DESIGN
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