Composite plant fiber blanket for highway slope protection

By setting up flame retardant belts and staggered metal belts on the plant fiber blankets of highway slope protection facilities and strengthening the cross traffic structure, the problems of poor contouring and insufficient flame retardant effects of existing facilities are solved, and higher tensile strength and flame retardant effects are achieved, which is suitable for large-scale promotion.

CN222685518UActive Publication Date: 2025-03-28SHANDONG HI SPEED CONSTRUCTION MANAGEMENT GROUP CO LTD +1
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Patent Information

Application Number
CN202421444819.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-03-28
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

The existing highway slope protection facilities have poor contouring effects under actual terrain diversity, and there are large ground gaps. The plant fiber blankets spread widely after a fire caught in an accident, and the flame retardant and isolation effects are insufficient.

Method used

A composite plant fiber blanket is designed, including an upper fixed mesh, a plant fiber blanket and a lower fixed mesh. A multiple flame retardant belt and a metal belt that is staggered horizontally and vertically distributed. The metal belt has cogging sections and serrated sections for meshing with each other, and a cross-traffic structure is arranged at the interlaced nodes for reinforcement.

Benefits of technology

This design improves the tensile strength and flame retardant effect of the composite plant fiber blanket, can better shape the slope, reduce the floor gap, and effectively retardant in the event of a fire, extend the combustion time, and improve the protection effect.

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Abstract

The utility model belongs to the field of expressway slope protection facilities, and provides a composite plant fiber blanket for expressway slope protection, which comprises an upper fixing net, a plant fiber blanket and a lower fixing net, the plant fiber blanket is provided with a plurality of flame-retardant belts which are distributed with the plant fiber blanket in a threading mode, the flame-retardant belts comprise tensile cores, and the tensile cores are arranged on the plant fiber blanket. A low-smoke halogen-free flame-retardant sleeve is arranged outside the tensile core, the upper fixing net is provided with a plurality of metal belts which are distributed in a transverse and longitudinal staggered mode, the two sides of each metal belt are provided with tooth groove sections and sawtooth sections, and the tooth groove sections and the sawtooth sections are used for being meshed with each other and grabbing the upper fixing net after the metal belts are centered and folded. A cross-shaped traffic structure is arranged at the transverse and longitudinal staggered node of the metal belt, and comprises a cross-shaped plate, a transverse groove, a longitudinal groove, a connecting hole and a penetrating nail. The cable is reasonable in design, simple in structure, high in tensile strength, good in flame retardant effect and suitable for large-scale popularization.
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