High-toughness pipe pile and manufacturing method thereof

A durable and tubular pile technology, which is applied in the fields of port engineering pile foundation, bridge engineering, and civil engineering, can solve the problems of pile body cracking, pile top damage, and poor concrete impact resistance, so as to prolong the service life and save maintenance costs , eradicate the effect of poor corrosion resistance

Inactive Publication Date: 2012-03-28
浙江固邦新材料有限公司
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  • Abstract
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Problems solved by technology

However, concrete has poor impact resistance. If the number of impacts...

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  • High-toughness pipe pile and manufacturing method thereof
  • High-toughness pipe pile and manufacturing method thereof
  • High-toughness pipe pile and manufacturing method thereof

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Embodiment Construction

[0031] Referring to the accompanying drawings, the high-durability pipe pile of the present invention is composed of several pipe joints; among them, each pipe joint uses UHTCC as the pipe pile base 3, and longitudinal steel bars 1 are arranged in the pipe wall along the length direction of the pipe pile, and the longitudinal steel bars 1 are surrounded Spiral stirrups 2 are provided, and steel end plates 4 and steel hoops 5 are provided at both ends of each pipe joint. The longitudinal reinforcement 1 is welded to the steel end plate 4 by plug welding, and each pipe joint is The end plate 4 is welded and connected as a whole.

[0032]The UHTCC is composed of short fibers and a mortar matrix, the type of short fibers added is one or more of polyvinyl alcohol fibers, polyethylene fibers, and aromatic polyamide fibers, and the volume dosage is 1~2% of the total volume of UHTCC. 3%; the weight ratio of the components of the mortar matrix is ​​cement: water: fine aggregate: fly as...

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Abstract

The invention provides a high-toughness pipe pile firstly, each pipe section uses an ultrahigh-toughness cementitious composite (UHTCC) as a pipe pile substrate, vertical rebars are provided in the pipe wall along the length direction of the pipe pile, and spiral stirrups are provided around the vertical rebars, steel end plates and steel hoops are provided on both end parts of each pipe section, the vertical rebars are welded to the steel end plates in way of plug welding, and all pipe sections are connected together via the steel end plates on the end parts in way of welding. The high-toughness pipe pile combines with common advantages of steel pipe pile and prestressed concrete pipe pile well, and guarantees endurance quality of pipe pile in marine environment with serious erosion.

Description

technical field [0001] The invention belongs to the technical field of pile foundations of civil engineering, bridge engineering and port engineering, and in particular relates to a high-durability pipe pile and a manufacturing method thereof. Background technique [0002] As a foundation treatment and pile foundation form, pipe piles have been greatly developed since the beginning of the last century, and have been widely used in various construction projects such as civil engineering, bridge engineering, and port engineering. In recent years, with the vigorous development of wharves and cross-sea and river-crossing bridges, not only pipe piles are required to have a higher bearing capacity, but also to adapt to the complex geological conditions in the open sea and the harsh seawater corrosion environment. Offshore climate conditions during construction. [0003] At present, the main forms of pipe piles used in engineering are steel pipe piles and prestressed concrete pipe...

Claims

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Application Information

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IPC IPC(8): E02D5/30E02D5/52B28B21/32B28B21/60C04B28/00
Inventor 徐世烺侯利军李庆华
Owner 浙江固邦新材料有限公司
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