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Pile splice and method of forming a pile splice

一种桩接头、桩段的技术，应用在大直径长钢管桩的海上基础领域，能够解决大成本、斜桩不实用等问题

Inactive Publication Date: 2012-05-30
KEYSTONE ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But mechanical connectors often require rotation of the upper pile section to bring the pile sections together at the joint, and the rotation requirement is usually not practical for inclined piles
Welding of pile joints can be a considerable cost component for platform installations due to the time and cost of personnel and equipment used to perform the tasks associated with welding and subsequently inspecting the welds on site

Method used

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  • Pile splice and method of forming a pile splice
  • Pile splice and method of forming a pile splice
  • Pile splice and method of forming a pile splice

Examples

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Embodiment Construction

[0015] Exemplary embodiments of the claimed invention will be described with respect to pipe pile joints connected by injecting grout between the annulus formed between the upper and lower piles at the joint. However, to avoid unnecessarily obscuring the embodiments of the claimed invention, the following description omits details of well-known structures and devices that may be shown in block diagram form or otherwise generalized. For purposes of explanation, numerous specific details were set forth in order to provide a thorough understanding of the example embodiments. It should be understood that other than these specific details, embodiments may be practiced in various ways. In addition, while schematic distances, dimensions and scales are shown in the drawings, it should be understood that the distances, dimensions and scales of the systems and methods presented herein may vary to suit any implementation, which may include an oil rig and wind turbine support application...

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Abstract

The grouted pile splice for pipe piles includes a lower pile section, and an upper pile section including an integral driving portion adapted to apply a driving force to the lower pile section. The upper pile section includes a stabbing portion sized to extend through a proximal end opening and into an inner bore of the lower pile section to form an annulus space between the upper pile section and the lower pile section to receive grout. The driving portion may include a wall thickness greater than a wall thickness of the stabbing portion, and an annular land positioned to contact a proximal end of the lower pile section. A grout distributor assembly may be mounted in the upper pile section to receive grout. A grout line assembly is inserted into the upper pile section and mated with the distributor assembly to supply pumped grout to the annulus space. A method and upper pile section are also provided.

Description

technical field [0001] These inventions generally relate to pile joints. In particular, these inventions relate to pile joints and methods such as offshore foundations employing large diameter long steel pipe piles installed in sections. Background technique [0002] Traditional offshore foundations use vertical or inclined large-diameter long steel pipe piles. These pipe pile foundations have been used to support offshore platforms for 60 years. As platforms increase in size to support loads from larger freeboards, the diameter and length of the piles also increase. In order to install larger piles and drive piles deeper penetration in offshore structures (which are used as pile foundation trays), piles must be built in segments and the segments joined together at pile joints, usually on site. This joint is usually a welded connection formed on site during the drive sequence of platform foundation installation. More recently, mechanical connectors for smaller diameter p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/52E02D27/52
CPCE02D5/523E02D27/52E02D5/52
Inventor R·A·霍尔
Owner KEYSTONE ENG