CN212293930U - Warp knitted water cloth - Google Patents

Abstract

A warp-knitted water cloth relates to the technical field of geotextiles, and comprises a warp layer and a weft layer which are vertically arranged and a binding yarn A which connects the warp layer and the weft layer together, the warp layer comprises a preset number of warp A groups and a preset number of warp B groups, the warp A groups comprise a preset number of parallel warps A, the warp yarn group B comprises a preset number of parallel warp yarns B, the warp yarn group A and the warp yarn group B are sequentially arranged at intervals, the diameter of the warp yarn A is larger than that of the warp yarn B, the weft yarn layer comprises a preset number of weft yarn A groups and a preset number of weft yarn B groups, the weft yarn group A comprises weft yarns A with preset number in parallel, the weft yarn group B comprises weft yarns B with preset number in parallel, the weft yarn A group and the weft yarn B group are sequentially arranged at intervals, the diameter of the weft yarn A is larger than that of the weft yarn B, and the warp knitted water cloth has a good drainage effect.

Description

Warp knitted water cloth

The technical field is as follows:

the utility model relates to a geotextile technical field especially relates to a warp arrangement water cloth.

Background art:

the soft soil is widely distributed in China, has large water content and low bearing capacity, and is very unfavorable for engineering construction. Along with large-scale construction of expressways and railways, many roads pass through soft soil areas, and the soft foundation is reinforced, drained and more important in improving the bearing capacity and stability of the foundation. The single-layer woven geotextile with the thickness of less than 200KN/m in a general occasion has no problem when used for reinforcing a soft foundation, but in a special use occasion, the single-layer woven geotextile is easy to break to cause the failure of the reinforcement, the multilayer geotextile needs to be laid to increase the cost, and manpower and material resources are wasted. The weaving machine is replaced by the high-strength woven geotextile, the weaving machine can only be used for producing in the weft direction by using monofilaments, the yarns of the woven geotextile are easy to damage in construction, and the weaving machine has the advantages of high difficulty of bidirectional 300KN/m, yarn bending, high elongation, low yield, difficult quality guarantee, no batch production capacity and incapability of meeting the requirements of special engineering. The high-strength warp-knitted cloth is used, only one layer needs to be laid in the construction, the engineering investment is saved, and the problem of reinforcement can be solved. But the weak soil moisture content is high, and water is the key factor that influences the road bed stability, lays the drainage effect that improves the road bed in the road bed with plastics drain bar level, and the shortcoming firstly is easily crushed at the road bed in-process of compaction by the pressure of plastics drain bar, influences drainage effect, secondly the plastics drain bar can not play the reinforcement effect. The soft soil environment is complex, uncertain factors are many, hidden dangers are many, and in order to meet the requirements of special engineering, the warp-knitted fabric with the drainage function needs to be developed urgently.

The utility model has the following contents:

in order to solve the technical problem, the utility model provides a through arranging water cloth has better drainage effect.

The utility model discloses a realize through following technical scheme:

the warp-knitted tarpaulin comprises warp yarn layers and weft yarn layers which are arranged in a mutually perpendicular mode and binding yarns A which connect the warp yarn layers and the weft yarn layers together, and is characterized in that the warp yarn layers comprise warp yarn groups A and warp yarn groups B, wherein the warp yarn groups A comprise warp yarn groups A, the warp yarn groups B comprise warp yarn groups B, the warp yarn groups A and the warp yarn groups B are arranged in parallel, the warp yarn groups A and the warp yarn groups B are arranged in sequence at intervals, the diameter of the warp yarn groups A is larger than that of the warp yarn groups B, the weft yarn layers comprise weft yarn groups A and weft yarn groups B, the weft yarn groups A and the weft yarn groups B are arranged in sequence at intervals, the diameter of the weft yarn groups A is larger than that of the weft yarn groups B, the warp yarn groups A and the warp yarn groups B are arranged in parallel, the warp yarn groups A and the weft yarn groups B are arranged in sequence at.

In another aspect of the present invention, the thickness difference between the warp yarn group a and the warp yarn group B and the thickness difference between the weft yarn group a and the weft yarn group B form a drainage groove, respectively.

In another aspect of the present invention, the method further comprises binding yarn B, wherein the binding yarn B is bound between the warp yarns of the warp yarn layer.

In another aspect of the present invention, the grooves of the predetermined number are formed on the yarn bodies of the warp yarn B and the weft yarn B along the axial direction of the yarn.

In another aspect of the present invention, the warp yarn a and the weft yarn a are formed by combining or twisting a predetermined number of the polyester filaments, respectively.

In another aspect of the present invention, the diameter of warp yarn a and weft yarn a are both 5.5mm, and the diameter of warp yarn B and weft yarn B are both 1.5 mm.

In another aspect of the present invention, the overall width of each warp yarn group a is 3 times the overall width of each warp yarn group B, and the overall width of each weft yarn group a is 3 times the overall width of each weft yarn group B.

The utility model has the advantages that: in the soft soil compaction construction process, the water cloth can quickly discharge the water in the soft soil out of the body through the drainage channel, so that the consolidation of the soft soil is accelerated, the bearing capacity and the stability of the roadbed are improved, the engineering quality is ensured, and the engineering requirement is met. The warp layer and the weft layer are in vertical relation and are not interwoven with each other, so that the strength of the yarns can be well ensured, and the deformation rate is low. In the utility model discloses in preferred scheme, warp A and woof A adopt many super high strength low extension polyester filament yarn to merge or twist into the roving, and intensity is high, and it is effectual to add the muscle.

Description of the drawings:

fig. 1 is a schematic structural diagram of warp yarn a, warp yarn B, weft yarn a, weft yarn B in the embodiment of the present invention.

In the drawings: 1. warp yarn A, 2, warp yarn B, 3, weft yarn A, 4, weft yarn B.

The specific implementation mode is as follows:

the following will further explain the embodiments of the present invention with reference to the drawings and examples:

in the description of the present invention, it should be understood that the description indicating the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

A warp-knitted tarpaulin comprises warp yarn layers and weft yarn layers which are arranged perpendicularly to each other and binding yarns A which connect the warp yarn layers and the weft yarn layers together, wherein the binding yarns A run along the warp yarns and bind the warp yarns and the weft yarns together at the intersections of the warp yarns and the weft yarns, the warp yarn layers comprise a preset number of warp yarn A groups and a preset number of warp yarn B groups, the warp yarn A groups comprise warp yarn A1 with a preset number side by side, the warp yarn B groups comprise warp yarn B2 with a preset number side by side, the warp yarn A groups and the warp yarn B groups are arranged at intervals in sequence, the diameter of the warp yarn A1 is larger than that of the warp yarn B2, the warp yarn A is thick and high in strength, the weft yarn layers comprise a preset number of weft yarn A groups and a preset number of weft yarn B groups, the weft yarn A groups comprise weft yarn A3 with a preset number side by side, and the weft yarn B groups comprise weft yarn B4 with a preset number side by side, the weft yarn A group and the weft yarn B group are sequentially arranged at intervals, the diameter of the weft yarn A3 is larger than that of the weft yarn B4, the weft yarn A is thick, and the strength is high. And the thickness difference between the warp yarn group A and the warp yarn group B and the thickness difference between the weft yarn group A and the weft yarn group B respectively form drainage grooves. The warp yarn comprises a warp yarn layer and binding yarns B, wherein the binding yarns B are bound and connected among the warp yarns of the warp yarn layer. The warp yarn B and the weft yarn B are provided with a preset number of grooves along the axial direction of the yarns, the warp yarn B2 and the weft yarn B4 in the embodiment adopt special foreign fiber Coolmax polyester filaments, the single yarn strength is 3.5CN/dtex, and the fiber four-tube-shaped cross section has fine grooves with capillary effect, so that a good drainage effect can be formed. The warp yarn A1 and the weft yarn A3 are respectively formed by combining or twisting a preset number of polyester filaments to form a good drainage effect, in the embodiment, the warp yarn A1 and the weft yarn A3 are formed by twisting ultra-high-strength low-elongation polyester filaments with single yarn strength larger than 8.2CN/dtex, and the strength of the twisted roving is 7.8 CN/dtex. The diameters of the warp yarn A1 and the weft yarn A3 are both 5.5mm, and the diameters of the warp yarn B2 and the weft yarn B4 are both 1.5 mm. The whole width of the warp yarn group A is 3 times of the whole width of the warp yarn group B. The warp yarn A and the weft yarn A are both ultra-high-strength low-elongation polyester filaments, the binding yarn A is the ultra-high-strength polyester filaments, and the binding yarn B is the polyester low-stretch yarns.

In the soft soil compaction construction process, the high-strength water distribution can quickly discharge water in the soft soil out of the body through the drainage channel, so that the consolidation of the soft soil is accelerated, the bearing capacity and stability of the roadbed are improved, the engineering quality is ensured, the cost is reduced, and the engineering requirements are met. The warp layer and the weft layer are in vertical relation and are not interwoven with each other, the yarn strength can be well ensured, the elongation at break is low, and the deformation rate is low. The warp yarn A and the weft yarn A are formed by combining or twisting a plurality of ultra-high-strength low-elongation polyester filament yarns into roving yarns, so that the strength is high, and the reinforcement effect is good.

The arrangement width of each warp A group is three times of that of each warp B group, the warp A group is convex, and the warp B group is concave to form a drainage groove.

The binding yarns A are woven on the outer layers of the warp yarns A, the warp yarns B, the weft yarns A and the weft yarns B, are ultrahigh-strength polyester filaments and are not easy to wear, and the binding yarns A firmly have a protection effect on the binding of warp yarns and weft yarns, so that the subsequent construction is facilitated. The binding yarns B only have a connecting effect on warp yarns, and are polyester low stretch yarns, so that the production cost is reduced.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims (7)

1. A warp-knitted water cloth comprises a warp layer and a weft layer which are arranged vertically and a binding yarn A which connects the warp layer and the weft layer together, it is characterized in that the warp layer comprises a preset number of warp A groups and a preset number of warp B groups, the warp yarn group A comprises a preset number of warp yarns A (1) in parallel, the warp yarn group B comprises a preset number of warp yarns B (2) in parallel, the warp yarn group A and the warp yarn group B are sequentially arranged at intervals, the diameter of the warp yarn A (1) is larger than that of the warp yarn B (2), the weft yarn layer comprises a preset number of weft yarn groups A and a preset number of weft yarn groups B, the weft yarn groups A comprise a preset number of weft yarns A (3) side by side, the weft yarn group B comprises weft yarns B (4) with preset number in parallel, the weft yarn group A and the weft yarn group B are sequentially arranged at intervals, and the diameter of the weft yarn group A (3) is larger than that of the weft yarn group B (4).

2. The warp-knitted water cloth according to claim 1, wherein the difference in thickness between the warp yarn group A and the warp yarn group B and the difference in thickness between the weft yarn group A and the weft yarn group B form drainage grooves, respectively.

3. The warp-knitted water cloth according to claim 1, further comprising binding yarns B bound between the warp yarns of the warp yarn layer.

4. The warp-knitted water cloth according to claim 1, wherein a predetermined number of grooves are formed in the warp body of the warp yarn B and the weft yarn B in the axial direction of the yarns.

5. A warp knitted water cloth according to any one of claims 1 to 4, characterised in that the warp yarns A (1) and the weft yarns A (3) are each formed by a predetermined number of polyester filaments co-mingled or twisted.

6. A warp knitted water cloth according to claim 5, characterised in that warp yarn A (1) and weft yarn A (3) are both 5.5mm in diameter and warp yarn B (2) and weft yarn B (4) are both 1.5mm in diameter.

7. A warp knitted water cloth according to claim 6 wherein the overall width of each group of warp yarns A is 3 times the overall width of each group of warp yarns B and the overall width of each group of weft yarns A is 3 times the overall width of each group of weft yarns B.

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