CN2363878Y

CN2363878Y - Warp-knitted composite geotextile

Info

Publication number: CN2363878Y
Application number: CN 98251580
Authority: CN
Inventors: 叶雪康
Original assignee: Jinda Synthetic Geomaterial Co ltd Zhejiang
Current assignee: Zhejiang Jinda New Material Co., Ltd.
Priority date: 1998-12-29
Filing date: 1998-12-29
Publication date: 2000-02-16
Anticipated expiration: 2008-12-29

Abstract

The utility model relates to a geotextile used for geotechnical engineering, which is composed of a reinforced skeleton 1, non-woven cloth 2, yarn 3, etc. Through the adoption of a warp knitting orienting structure, the yarn forms loops between the reinforced skeleton and the non-woven cloth to tie and compound the reinforced skeleton and the non-woven cloth into integration, so that the utility model not only has high intensity, but also has favorable filtering performance. The utility model provides a matched product with good quality for engineering.

Description

Through compiling composite earthwork cloth

The utility model relates to a kind of geotextiles that is used for Geotechnical Engineering.

Geotextiles is mainly used in the engineering constructions such as highway, railway, water conservancy and plays isolation, draining, filtration, reinforced action, be widely used both at home and abroad, China is based on nonwoven fabric, woven cloth at present, owing to be restricted on the nonwoven fabric intensity, engineering is used and is restricted, though woven cloth intensity raising drainability is poor.Many brains have also been moved by this several years manufacturers, develop a series of new products, example: the patent No. 92229852 " reinforcement non-woven geotextile " and the patent No. 94207066 " geotextiles " are because there is certain defective in the difference on the institutional framework in the use.

The utility model provides a kind of and will be combined into one with nonwoven fabric through compiling skeleton, the intensity height, strainability good through the volume composite earthwork cloth.

The utility model is achieved in that by web frame 1, nonwoven fabric 2 compositions such as grade, and characteristics are to be to be combined into one with yarn 3 lopping binding between web frame 1 and the nonwoven fabric 2.Web frame 1 adopts through compiling and editing to structure to be formed by one deck warp-wise straight line 4 with the broadwise straight line 5 that the mutual square crossing of warp-wise straight line is arranged, and all selects high tenacity polyester filament for use through the broadwise straight line.

Be described further below in conjunction with accompanying drawing:

Fig. 1, through compiling the composite earthwork cloth structural front view;

Fig. 2, through compiling composite earthwork cloth structure left view.

As shown in Figure 1 and Figure 2, be by web frame 1 through compiling composite earthwork cloth, nonwoven fabric 2, yarn 3 compositions such as grade.Web frame 1 is by high tenacity polyester filament in two layers of 500dtex～20000dtex high-strength chemical-fibre silk or high-strength polypropylene fibre silk, adopts through compiling and editing to textural association, i.e. one deck warp-wise straight line 4 and form with another layer broadwise straight line 5 that the mutual square crossing of warp-wise straight line is arranged.Nonwoven fabric 2 adopts 150g/m ²～400g/m ²About the about 530cm of short fiber nonwoven fabric width.Be with high tenacity polyester filament yarn 3 between web frame 1 and the nonwoven fabric 2, evenly lopping braiding binding is combined into one on braider, forms a kind ofly through the volume composite earthwork cloth, sees shown in Figure 2.Form web frame through compiling the composite earthwork cloth employing through compiling and editing to structure, given full play to through compiling distinctive advantage, the rate of utilization of strength of chemical fibre silk is improved greatly, woven such mutual consumption can not appear, and percentage elongation obviously reduces, owing to be combined with each other with nonwoven fabric, makes fabric not only play reinforcement effect again, and play the filtration drainage, make product adaptability in engineering wider.

The utility model combines the intensity height of warp knitting cloth, the advantage of good stability of the dimension, with The time possess the good advantage of non-weaving cloth hydraulic performance, be new in Geotechnical Engineering of domestic application Generation product receives praises from customers.

Claims

1, a kind of is by web frame [1] through compiling composite earthwork cloth, and nonwoven fabric compositions such as [2] is characterized in that, is combined into one with yarn [3] lopping binding between web frame [1] and the nonwoven fabric [2].

2, according to claim 1 through compiling composite earthwork cloth, it is characterized in that web frame [1] adopt through compile and edit to structure by one deck warp-wise straight line [4] and with warp-wise straight line [4] mutually square crossing arrange broadwise straight line [5] and form.

3, according to claim 1ly it is characterized in that through compiling composite earthwork cloth web frame [1] adopts the high-strength chemical-fibre silk with yarn [3].