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Device for introducing a force into tension members made of fiber-reinforced flat-strip plastic lamellas

A technology of fiber reinforcement and stretching device, which is applied in the direction of building components, connecting components, building reinforcements, etc., to reduce long-term deformation and tension loss, and effectively introduce force.

Inactive Publication Date: 2014-10-29
SIKA TECH AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of the device described in WO 2005 / 061813 A1 is that the wedge must be pushed into the sleeve with the tension member when adding the device for introducing the force into the tension member

Method used

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  • Device for introducing a force into tension members made of fiber-reinforced flat-strip plastic lamellas
  • Device for introducing a force into tension members made of fiber-reinforced flat-strip plastic lamellas
  • Device for introducing a force into tension members made of fiber-reinforced flat-strip plastic lamellas

Examples

Experimental program
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Effect test

Embodiment Construction

[0026] figure 1 A device 1 for introducing forces into a tension member 2 made of fibre-reinforced plastic flat strip sheets is shown, comprising a clamping element 3 and at least one sleeve 4, said clamping element being arranged in On the tension member and having a contact surface with the tension member, the sleeve is arranged around the clamping element and the tension member and thus exerts clamping pressure on the tension member via the clamping element.

[0027] The clamping element here consists of at least two superimposed layers, wherein at least one first soft layer consists of a material with a modulus of elasticity in the range of 1000 to 6000 MPa, and wherein at least one second hard layer Constructed of a material that has a higher modulus of elasticity than the soft layer.

[0028] The term "soft layer" in the current document thus describes a clamping element layer having a modulus of elasticity in the range of 1000 to 6000 MPa. Clamping element layers that...

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Abstract

The device has a clamping element (3) made of soft- and hard layers (3a, 3b), where the soft layer consists of a material having elasticity modulus in a range about 1000-6000 megapascal. The hard layer consists of a material having higher elasticity modulus than the soft layer. The clamping element comprises a structure without a wedge taper or a wedge-shaped or conical structure, where a cross-section reduction of the wedge runs against a tension direction (6) of a tension element (2). A sleeve (4) has an interior shape for retaining the clamping element and for exerting clamping pressure. The tension elements are made from Sika-CarboDur (RTM: fiber-reinforced flat-strip plastic lamellas). An independent claim is also included for a method for introducing a force into tension elements.

Description

technical field [0001] The invention relates to a device according to the preamble of claim 1 for introducing forces into a tension member made of a plurality of fibre-reinforced flat plastic strip sheets. The invention also relates to a method for introducing forces into such a tension member, the use of corresponding devices, a tension member with one or more devices according to the invention and a reinforcement by using devices according to the invention method of load-bearing structures. Background technique [0002] For example, when renovating existing buildings, it is known to carry out the reinforcement of load-bearing structures by installing tension members made of a plurality of fibre-reinforced plastic flat tape sheets bonded under tension to the load-bearing structure, which This type of reinforcement has various advantages over the reinforcement of load-bearing structures by means of steel structures. Such end anchoring is particularly important since the in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G23/02E04C5/12
CPCE04G23/0218E04C5/127E04G2023/0259E04G2023/0262Y10T24/44932F16B2/14
Inventor T·贝尔塞
Owner SIKA TECH AG