CN101981257A - Drain mat for drainage of soft ground - Google Patents
Drain mat for drainage of soft ground Download PDFInfo
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- CN101981257A CN101981257A CN2009801108788A CN200980110878A CN101981257A CN 101981257 A CN101981257 A CN 101981257A CN 2009801108788 A CN2009801108788 A CN 2009801108788A CN 200980110878 A CN200980110878 A CN 200980110878A CN 101981257 A CN101981257 A CN 101981257A
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- draining pad
- draining
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
Disclosed is a drain mat for drainage of soft ground. It comprises a coir sheet containing natural latex which fills in the gap between interconnected coconut fibers, and filler which is inside the coir sheet and provides passages for pore water that soaks through the coir sheet. Therefore, deformation of the drain mat caused by the pressure of the solum is prevented by increasing strength of the drain mat. Furthermore, since fine clay or soil included in pore water do not flow inside the filler, drainage of pore water is excellent.
Description
Technical field
The present invention relates to a kind of draining pad (drain mat) that is installed on the hag (soft ground), so that will be stored in the surface of the underground pore water discharge hag in the hag.
Background technology
Usually, the zone (for example opening up wasteland district, shore protection district, riverbank district and coastal etc.) of containing a large amount of pore waters in the soil has soft soil, so that civil engineering and building structure can not stably be built on the hag.Therefore, in order on hag, to build civil engineering and building, must implement in advance by discharging pore water and on hag, carrying out the process that hag is stablized in consolidation settlement.
In the method to the hag stabilization processes, plastic plate drainage (PBD) is owned by France in the vertical row water law, this method is that the plastic draining board as water drainage part is vertically inserted in the hag, vertically is installed in water drainage part in the hag by this then and will be stored in the surface that pore water in the hag is discharged hag.
Except the vertical row water law, also adopt the horizontal drainage method, this method is the surface of pore water flatly being discharged hag by the vertical row water law.The water drainage part that described horizontal drainage method is used for by the vertical row water law is flatly discharged the surface of hag with pore water, prevent from that underground water from rising to enter raising layer (filled-uplayer), and guarantee to build machine carry out work safely.
The method that the horizontal drainage method mainly adopts is the sand at the surperficial upper berth of hag predetermined thickness, and pore water is discharged the surface of hag by the water drainage part of vertical row water law.But, owing to be subjected to the restriction of sand production capacity, being difficult to provide under the situation of sand in building site with the sand shop, the supply sand is economic problems.
Simultaneously, the mode that nearest method adopts is to use fiber mat that pore water is discharged the surface of hag, and in this fiber mat, filler is filled in the strainer that constitutes shell.But this fiber mat does not have rigidity, is that the mode that adopts jute etc. to interweave is made because surround the strainer of filler.Therefore, when the pressure of raising layer is delivered under the situation of fiber mat, fiber mat can not bear heavy burden, and therefore part is extruded to deformation state.Described filler becomes compression at the position that described fiber mat is out of shape because of the pressure of described raising layer, so that is difficult to discharge pore water by the filler of this fiber mat.Therefore, this fiber mat can not stably be discharged pore water.
In addition, the pore water of discharging the surface of hag by the water drainage part of vertical row water law contains mud or deposit, and its particle has little diameter.Because the made strainer of jute sheet by braiding has big effective hole, mud or deposit contained in the pore water on the surface of discharge hag are introduced in the filler that is filled in the fiber mat with intact state.Like this, mud or the deposit introduced in the filler have stopped up the interfibrous hole that constitutes filler, cause the channel jam of fiber mat mesopore water.In this mode, introduce mud in the filler or deposit and hindered flowing of the interfibrous hole of pore water by constituting filler, cause this fiber mat can not stably discharge pore water.
Summary of the invention
Therefore, consider the problems referred to above that occur in the prior art, made the present invention, and the specific embodiment of the present invention provides a kind of draining pad that comprises brown sheet (coir sheet), described brown sheet is by mixing Heveatex and cocoanut fiber, and compress this mixture and make, thereby improved its intensity and be subjected to the extruding of raising stressor layer to prevent filler, and this draining pad can stably be discharged pore water.
A kind of draining pad is provided, wherein, owing to adopted brown sheet by Heveatex and cocoanut fiber being mixed, also this mixture compression being made, prevented that contained mud or deposit (described mud or sedimental particle have tiny diameter) enters in the filler in the pore water, and prevented that the interfibrous hole that constitutes filler from being stopped up by described mud and deposit, make the pore water stably to discharge.
According to an aspect of the present invention, provide a kind of draining pad, this draining pad is installed in the hag, and links to each other with the outlet that vertically is installed in the vertical drainage parts in the hag, so that in vertical direction extraction is stored in the pore water in the hag.This draining pad comprises brown sheet and filler, this palm fibre sheet has cocoanut fiber and is filled in Heveatex in the hole between the described cocoanut fiber, and, described Heveatex and described cocoanut fiber make by being mixed and compress this mixture, this filler is arranged in described brown sheet and passage is provided, and makes the pore water of introducing in the described brown sheet along this channel flow.
The jute sheet that can comprise the external surface that surrounds described brown sheet is paid somebody's debt and expected repayment later in described draining.Adopt this structure, in transportation with when making, described brown sheet can be subjected to protecting safely, and the performance of filtering described pore water can improve.In addition, the intensity of described draining pad can be improved, thereby can improve the performance that opposing raising layer is exerted pressure.
The brown net (coir net) that can comprise the external surface that surrounds described jute sheet is paid somebody's debt and expected repayment later in described draining.Described brown net can be by being woven into coir rope (coir rope) with netted interlocking.Every coir rope can be entwined by the yarn of two cocoanut fibers will making with stalk shape (straw shape) at least.Adopt this structure, the intensity of described brown sheet is strengthened, thereby can prevent that described draining pad is out of shape because of the pressure of described raising layer.In addition, when described draining pad transportation and construction, described brown sheet can be subjected to protecting safely.
The brown net that can comprise the jute sheet and surround the external surface of described brown sheet is paid somebody's debt and expected repayment later in described draining.Adopt this structure, described draining pad can improve performance that opposing raising layer exerted pressure and the performance of filtering pore water.In addition, described brown sheet can be subjected to protecting more safely.
Described draining pad can be included in the peristome with predetermined space of its first end and in the insertion section of its second end so that insert the peristome of another draining pad, make the insertion section of described draining pad insert the peristome of other draining pad, thereby the draining pad is connected with each other.Adopt this structure, can prevent that foreign matter from entering the interconnective joint of draining pad, therefore the drainage performance of described draining pad can be improved.
Herein, amount with respect to the filler of inserting the position except that the end (opposite ends) of described draining pad, the opposite ends of described draining pad (opposite ends) can be filled with more a spot of relatively filler, and, the peristome of other draining pad can be inserted in the insertion section of described draining pad, makes described other the filler of peristome of draining pad be arranged in the top side of insertion section of described at least draining pad and at least one place of bottom side.Adopt this structure, described draining pad always can and the filler between described draining pad couple together, so pore water can flow through described filler along described draining pad, thereby stably discharges.
Simultaneously, described brown sheet can comprise the step on the opposite ends that is positioned at described brown sheet, by this way, when the draining pad is connected with another draining pad, the engagement of the step of a step and another brown sheet.Adopt this structure, can prevent to enter mud contained in the pore water of the interconnective joint of draining pad or deposit (described mud or sedimental particle have tiny diameter), therefore described pore water can stably be discharged.
Described draining pad can be sewn along at least one horizontal and vertical direction of this draining pad.Adopt this structure, can prevent that described filler is inclined to a side of described draining pad, and therefore increase drainage performance.Described brown sheet more firmly closely contacts with described filler, thereby can improve the tensile strength and the compressive strength of described draining pad.
According to the specific embodiment of the present invention, described draining pad comprises draining pad and the filler with brown sheet, this palm fibre sheet has cocoanut fiber and is filled in Heveatex in the hole between the described cocoanut fiber, and described draining pad is by with described Heveatex with described cocoanut fiber mixes and the mixture compression is made; This filler is arranged in described brown sheet, and passage is provided, make the guiding can be by the pore water of described brown sheet along this channel flow.Thereby the intensity of described draining pad is improved, and therefore can prevent to be out of shape because of the pressure of described raising layer.In addition, can prevent that mud contained in the pore water or deposit (described mud or sedimental particle have tiny diameter) from entering in the filler, so pore water can be discharged stably.
Description of drawings
From the detailed description below in conjunction with accompanying drawing, above-mentioned and other purpose, characteristics and the advantage of the present invention will more be expressly understood, wherein:
Fig. 1 is the sectional view that be installed in draining pad in hag of expression according to the specific embodiment of the present invention;
Fig. 2 is the phantom drawing of draining pad that expression is used for the draining pad of first embodiment of the invention;
Fig. 3 is the sectional drawing along Fig. 2 center line A-A;
Fig. 4 is the schematic diagram of the internal construction of the brown sheet of draining pad in the presentation graphs 2;
Fig. 5 is the generalized section of the brown sheet operation of draining pad in the presentation graphs 2;
Fig. 6 is the phantom drawing that expression is used for the draining pad of draining pad second embodiment of the invention;
Fig. 7 is the sectional drawing along Fig. 6 center line B-B;
Fig. 8 is that expression is used for the phantom drawing according to the draining pad of the draining pad of the 3rd embodiment of the present invention;
Fig. 9 is the sectional drawing along Fig. 8 center line C-C;
Figure 10 and Figure 11 are that expression is used for the sectional drawing according to the draining pad of the draining pad of the 4th embodiment of the present invention;
Figure 12 is that expression is used for the phantom drawing according to the draining pad of the draining pad of the 5th embodiment of the present invention;
Figure 13 is that expression is used for the phantom drawing according to the draining pad of the draining pad of the 6th embodiment of the present invention;
Figure 14 is the sectional drawing that the draining pad of expression Figure 13 is in the state of interconnecting;
Figure 15 is that expression is used for the phantom drawing according to the draining pad of the draining pad of the 7th embodiment of the present invention;
Figure 16 is that the draining pad of expression Figure 15 is in the sectional drawing when interconnecting state; And
Figure 17 is that expression is used for the phantom drawing according to the draining pad of the draining pad of the 8th embodiment of the present invention.
The specific embodiment
For a more detailed description with for referencial use below with reference to accompanying drawing to illustrative embodiments of the present invention.
First embodiment
The draining pad of first embodiment of the invention is described below in conjunction with Fig. 1 to 5.
As shown in Figure 1, be used for making the stable instrument of hag G to comprise the vertical drainage parts 10 of the pore water that at least one extracts the soil that is stored in hag G in vertical direction, and the draining pad 20 of discharging the pore water that vertically extracts by described vertical drainage parts 10 in the horizontal direction.
Described vertical drainage parts 10 are vertically inserted among the described hag G, so that extract the pore water that is stored among the described hag G in vertical direction.The quantity that can insert the vertical drainage parts 10 among the described hag G is unqualified.
Described draining pad 20 links to each other with the outlet of the vertical drainage parts 10 that stretch out from the surface of described hag G, extracts the pore water on the surface of described hag G out so that discharge in the horizontal direction by described vertical drainage parts 10.For this reason, described draining pad 20 along continuous straight runs are placed on the surface of hag G.
With the raising layer 70 of described draining pad 20 shops with predetermined thickness.So under the pressure of described raising layer 70, the pore water that is stored among the described hag G can vertically extract by described vertical drainage parts 10, the vertical then pore water that extracts can flatly be discharged by described draining pad 20.
As shown in Figures 2 and 3, described draining pad 20 links to each other with vertical drainage parts 10 in vertically inserting described hag G, so that will be stored in the surface that the pore water among the described hag G is vertically extracted hag G out, and described draining pad 20 comprises brown sheet 40 and filler 30, this palm fibre sheet 40 makes by Heveatex and cocoanut fiber are mixed and compress this mixture, and this filler 30 is positioned at described brown sheet 40 so that the guiding passage that the pore water by described brown sheet 40 flows through to be provided.Described draining pad 20 has the shape of approximate rectangular cross section.For example, described draining pad 20 thick about 5 centimetres, wide about 35 centimetres and be about 10 meters.
Described filler 30 plays passage, be used for flatly discharging by described vertical drainage parts 10 and extract the pore water on the surface of described hag G out, and described filler adopts has filamentous fibrous material, for example stem of seed of fruit (as: cocoanut fiber) or plant (as: straw or rice straw).Especially, the preferred cocoanut fiber that extracts and make the stalk shape from coconut that adopts.Described cocoanut fiber has tiny loose structure, and thereby has a permeability far above sand.Because described cocoanut fiber can be decomposed by the microorganism in the soil, so it is eco-friendly fiber.Use cocoanut fiber not only can impel the pore water of extracting the surface of described hag G out by described vertical drainage parts 10 to penetrate this draining pad and discharge in the horizontal direction apace, and the environmental friendliness effect can be provided as the draining pad of filler.
Described brown sheet 40 not only is used to surround described filler 30 so that described filler 30 can not be exposed to the outside, and be used to prevent that described draining pad 20 is laid down on 70 extruding of raising layer on this draining pad 20, and prevent that mud contained in the described pore water or deposit (described mud or sedimental particle have tiny diameter) from entering in the described filler 30.As shown in Figure 4, this brown sheet 40 is by Heveatex 44 and many cocoanut fibers 42 that extracts and make the stalk shape from coconut are mixed, and uses roller (as cylinder) that this mixture is compressed, thereby makes plate shaped.
Thereby with make tossa simply alternation sum braiding traditional strainer of surrounding described filler compare, because described Heveatex 44 is filled in the hole between the described cocoanut fiber 42, so the described brown sheet 40 that adopts this method to make has very closely knit quality.Therefore, compare with traditional strainer, described brown sheet 40 has very high rigidity.
In this mode, can bear by 70 applied pressure of described raising layer that are layered on the described draining pad 20 by described Heveatex 44 and described cocoanut fiber 42 being mixed and compress the described brown sheet 40 that this mixture makes.Therefore, described brown sheet 40 can prevent that described draining pad 20 from deforming.So, described brown sheet 40 can prevent that filler 30 wherein is not suitable for by excessive compression so that to the permeability of described pore water.In other words, thus described filler 30 always is evenly dispersed in the described brown sheet 40 and has suitable permeability.For this reason, described pore water can stably be discharged.
In addition, described brown sheet 40 has closely knit quality, and wherein said Heveatex 44 is filled in the hole between the described cocoanut fiber 42, so it has littler effective hole than the conventional filter with the tossa braiding.
Therefore, as shown in Figure 5, can prevent effectively that by described Heveatex 44 and described cocoanut fiber 42 being mixed and compress the described brown sheet 40 that this mixture makes mud contained among the pore water W or deposit D (particle of described mud or deposit D has tiny diameter) from flowing in the described filler 30, thereby the hole that prevents to constitute between the fiber of described filler 30 stopped up by described mud or deposit D, and the complete like this drainage performance that can prevent reduces.
Simultaneously, under the situation of prior art,, considered the method for the layer that increases the strainer that is made into by tossa for compressive property or the strainability that guarantees fiber mat.In this case, must additionally use relatively costly jute, thereby the cost of production of described fiber mat is increased.Because tossa forms many layers, thereby has increased process time, and make manufacturing process become complicated.Therefore, reduced the productivity ratio of described fiber mat.In addition, even described tossa weaves densely to possible extent, be filled in the described brown sheet 40 with closely knit quality in the hole between the described cocoanut fiber 42 with respect to described Heveatex 44, traditional strainer still has limitation aspect compressive property that guarantees fiber mat or the strainability.
On identical infiltrative basis, be not accompanied by the thickness of described draining pad 20 and the increase of weight by described Heveatex 44 and described cocoanut fiber 42 being mixed and compress the described brown sheet 40 that this mixture makes, but reduce the thickness and the weight of described draining pad 20.In addition, described draining pad 20 adopts by described Heveatex 44 and described cocoanut fiber 42 being mixed and compress the described brown sheet 40 that this mixture is made, thereby makes the described draining pad 20 with simple structure can improve compressive property and strainability significantly.
Described brown sheet 40 has utilized the Heveatex 44 that can be decomposed by the microorganism in the soil so that be filamentous cocoanut fiber 42 and reunite, and therefore provides eco-friendly effect.
As mentioned above, first embodiment of the invention, described draining shield is set to: described vertical drainage parts 10 are inserted among the described hag G, described draining pad 20 is placed on the surface of described hag G, and the outlet of described vertical drainage parts 10 is linked to each other with described draining pad 20.Therefore described raising layer 70 is layered on the described draining pad 20, and under the pressure of described raising layer 70, the surface that makes the pore water that is stored among the described hag G vertically extract described hag out by described vertical drainage parts 10.The described brown sheet 40 of pore water by described draining pad 20 of extracting the surface of described hag out enters in the described filler 30, then by the discharge of the hole horizontal ground between the cocoanut fiber 42 that constitutes described filler 30.
First embodiment of the invention, described draining shield are set to the pressure that makes described brown sheet 40 (this palm fibre sheet 40 by described Heveatex 44 and described cocoanut fiber 42 mixed and compress this mixture and make) bear described raising layer 70.So, can prevent that described draining pad 20 from deforming under the pressure of described raising layer 70, and make that therefore described filler 30 always scatters equably.In addition, described pore water can stably be discharged by the described filler 30 of described draining pad 20.
In addition, because described brown sheet 40 has closely knit quality, wherein, described Heveatex 44 is filled in the hole between the described cocoanut fiber 42, enters in the described filler 30 so described brown sheet 40 can prevent mud contained in the pore water or deposit (described mud or sedimental particle have tiny diameter) effectively.Thereby the hole that can prevent to constitute between the fiber of described filler 30 is stopped up by described mud or deposit, and the complete like this drainage performance that can prevent reduces.
Second embodiment
Below in conjunction with Fig. 6 and Fig. 7 draining pad according to second embodiment of the invention is described.Compose with identical Reference numeral with the same parts described in first embodiment, and omission is to their detailed description.
As shown in Figure 6 and Figure 7, draining pad according to second embodiment of the invention comprises a kind of draining pad, this draining pad comprises brown sheet 40, filler 30 and jute sheet 50, described brown sheet 40 is by mixing Heveatex 44 and cocoanut fiber 42 and compressing this mixture and make, described filler 30 is filled in the described brown sheet 40, and the passage that provides pore water to flow through, described jute sheet 50 is enclosed in the external surface of described brown sheet 40.
Described jute sheet 50 is made by weft yarn and the warp thread of braiding jute, and is used to be enclosed in the external surface of described brown sheet 40 so that protect described brown sheet 40.In addition, described jute sheet 50 not only is used for filtering pore water and the contained deposit of pore water, and is used to increase the rigidity of described draining pad 20.
Following table 1 expression has the comparing result that structure that the structure of individual layer jute sheet, structure, (c) that (b) has double-deck jute sheet have the structure of individual layer palm fibre sheet and (d) have individual layer palm fibre sheet and an individual layer jute sheet is tested detection to (a).
By using KS K ISO 11058:2007 (loss of head (1oss of head): 50mm) coefficient of measuring vertical infiltration, use KS K 0351:2006 (area of detection: 7.3cm
2) size measuring rupture strength, use ASTM D 4751:2004 to measure the size in effective hole and use KS K ISO 12956:2007 to measure effective hole tests detection.
Table 1
As described in Table 1, the size in effective hole of brown sheet 40 according to the present invention is less than the size in effective hole of jute sheet 50.Like this, with respect to traditional draining pad that jute sheet 50 is only arranged, the strainability with described draining pad 20 of described brown sheet 40 has improved.Therefore, because draining pad 20 according to the present invention prevented that mud or deposit with tiny diameter from entering in the described filler 30, and prevented mud described in the prior art or clogged with deposits to constitute the problem in the hole between the fiber of described filler 30.
In addition, as described in second embodiment of the invention, comprise simultaneously that at described draining pad 20 under the situation of described brown sheet 40 and described jute sheet 50, described rupture strength has improved significantly with respect to traditional draining pad.Like this, draining pad 20 according to the present invention can improve the performance of the load of the described raising layer 70 of opposing.
Second embodiment of the invention, the jute sheet 50 that comprises the external surface that is enclosed in described brown sheet 40 is paid somebody's debt and expected repayment later in described draining, and therefore, when described draining pad 20 transportations and construction, described brown sheet 40 can be protected safely.In addition, described draining pad 20 not only can improve the performance that deposit contained in pore water and the pore water is filtered, and can increase the performance of the rigidity of described draining pad 20 with the pressure of the described raising layer 70 of raising opposing.
The 3rd embodiment
Below in conjunction with Fig. 8 and Fig. 9 draining pad according to third embodiment of the invention is described.Compose with identical Reference numeral with the same parts described in first embodiment and second embodiment, and omission is to their detailed description.
As Fig. 8 and shown in Figure 9, draining pad according to third embodiment of the invention comprises a kind of draining pad, this draining pad comprises brown sheet 40, filler 30 and brown net 60, described brown sheet 40 is by mixing Heveatex 44 and cocoanut fiber 42 and compressing this mixture and make, the passage that described filler 30 is arranged in described brown sheet 40 and provides pore water to flow through, described brown net 60 surrounds the external surface of described brown sheet 40.
Described brown net 60 is by making coir rope 62 with netted alternation sum braiding, wherein, every coir rope 62 is by being entwined cocoanut fiber with threads, and described cocoanut fiber is to extract and make the stalk shape from coconut.In this mode, because every coir rope 62 is to be entwined by the yarn with many cocoanut fibers, this coir rope 62 has high tensile strength.Therefore, reticulate the described brown net of making 60 and have high tensile strength and compressive strength by described coir rope 62 is done.
Therefore, though the pressure of described raising layer 70 be passed on the described draining pad 20,, because described brown net 60 surrounds described brown sheet 40, thereby prevented that described brown sheet 40 from deforming, so strengthened the intensity of described draining pad 20.Therefore, can prevent that described draining pad 20 from deforming under the pressure of described raising layer 70.
In addition, because described brown net 60 is by being made into coir rope netted making, described brown net 60 has permeable hole 64, and described pore water can enter in the described draining pad 20 by this permeable hole, and this permeable hole 64 is formed between the described coir rope 62.Herein, each described permeable hole 64 preferably has about 1 centimetre transverse width and vertical width, and contained foreign matter stops up in the pore water in the described draining pad 20 thereby prevent to be discharged into.
According to the 3rd embodiment of the present invention, the brown net 60 that comprises the external surface that is enclosed in described brown sheet 40 is paid somebody's debt and expected repayment later in described draining.Thereby described brown net 60 can strengthen the intensity of described brown sheet 40, and has therefore improved the performance of the pressure of opposing raising layer 70, thereby prevents that described draining pad 20 from deforming under the pressure of described raising layer 70.In addition, when described draining pad 20 transportations and construction, described brown net 60 can be protected described brown sheet 40 safely.
The 4th embodiment
Below in conjunction with Figure 10 and Figure 11 draining pad according to four embodiment of the invention is described.Compose with identical Reference numeral with the same parts described in first embodiment, second embodiment and the 3rd embodiment, and omission is to their detailed description.
As shown in figure 10, draining pad according to four embodiment of the invention comprises a kind of draining pad, this draining pad comprises brown sheet 40, filler 30, jute sheet 50 and brown net 60, described brown sheet 40 is by mixing Heveatex 44 and cocoanut fiber 42 and compressing this mixture and make, the passage that described filler 30 is arranged in described brown sheet 40 and provides pore water to flow through, described jute sheet 50 is enclosed in the external surface of described brown sheet 40, and described brown net 60 is enclosed in the external surface of described jute sheet 50.
In addition, as shown in figure 11, draining pad according to second embodiment of the invention comprises a kind of draining pad, this draining pad comprises brown sheet 40, filler 30, brown net 60 and jute sheet 50, described brown sheet 40 is by mixing Heveatex 44 and cocoanut fiber 42 and compressing this mixture and make, described filler 30 is filled in the described brown sheet 40 and the passage that provides pore water to flow through, and described brown net 60 is enclosed in the external surface of described brown sheet 40, and described jute sheet 50 is enclosed in the external surface of described brown net 60.
According to the 4th embodiment of the present invention, jute sheet 50 that comprises the external surface that is enclosed in described brown sheet 40 and the brown net 60 that is enclosed in the external surface of described jute sheet 50 are paid somebody's debt and expected repayment later in described draining.Thereby described jute sheet 50 and described brown net 60 have strengthened the intensity of described brown sheet 40, and have therefore improved the performance of the pressure of opposing raising layer 70, thereby prevent that described draining pad 20 from deforming under the pressure of described raising layer 70.
In addition, according to the 4th embodiment of the present invention, brown net 60 that comprises the external surface that is enclosed in described brown sheet 40 and the jute sheet 50 that is enclosed in the external surface of described brown net 60 are paid somebody's debt and expected repayment later in described draining.Thereby described brown net 60 and described jute sheet 50 can further improve the performance that foreign matter contained in pore water and the pore water is filtered, and can more safely protect described brown sheet 40 when described draining pad 20 transportations and construction.
The 5th embodiment
Below in conjunction with the draining pad of Figure 12 description according to fifth embodiment of the invention.Compose with identical Reference numeral with the same parts described in first embodiment to the, four embodiments, and omission is to their detailed description.
As shown in figure 12, draining pad according to fifth embodiment of the invention comprises a kind of draining pad, this draining pad comprises brown sheet 40, filler 30 and cover plate 80, described brown sheet 40 is by mixing Heveatex 44 and cocoanut fiber 42 and compressing this mixture and make, the passage that described filler 30 is arranged in described brown sheet 40 and provides the pore water that extracts by this palm fibre sheet 40 to flow through, described cover plate (cover sheet) 80 is enclosed in the external surface of described brown sheet 40.
Herein, described cover plate 80 is equal to jute sheet 50, the brown net 60 in the 3rd embodiment or jute sheet 50 in the 4th embodiment and the brown net 60 in second embodiment.
In addition, interconnect in order to make two draining pads 20, the peristome O that each draining pad 20 provides at the one end with predetermined space, and insert wherein insertion section I at the described peristome O of the other draining pad 20 of making of its other end.
The peristome O of each draining pad 20 defines with extension 41 and 81, and wherein said brown sheet 40 and described cover plate 80 prolong predetermined length along the longitudinal direction of described draining pad 20 in the top side and the bottom side of an end of each described draining pad 20.In other words, described filler 30 is not filled described extension 41 and 81 spaces of being defined by described brown sheet 40 and described cover plate 80, promptly described peristome O, and therefore at an end of each draining pad 20, described peristome O has predetermined volume.
The insertion section I of each draining pad 20 adopts this mode to form: described cover plate 80 is enclosed on the other end of the described draining pad relative with an end of described draining pad and does not form external surface peristome O, that have the described brown sheet 40 of the filler 30 that is positioned at described brown sheet 40.
Adopt this structure, the insertion section I of the first draining pad 20 can insert the peristome O of the second draining pad 20.Like this, these draining pads 20 can be connected with each other.When the insertion section I of the first draining pad 20 inserts the peristome O that the second draining pad 20 defines by the extension 41 and 81 at the described brown sheet 40 of one end and described cover plate 80, the extension 41 of described brown sheet 40 and described cover plate 80 and 81 covers top side and the bottom side of described insertion section I, has therefore prevented that the soil of described raising layer 70 or deposit from entering adjacent drainage channel pad 20 interconnective joints.
Simultaneously, insert at the insertion section I of the first draining pad 20 under the situation of peristome O of the second draining pad 20, at least one securing member passes adjacent drainage channel pad 20 interconnective joints.Therefore, these draining pads 20 can firmly be connected with each other.
According to the 5th embodiment of the present invention, described draining pad is included in the peristome O of one end and at the insertion section of its other end I, thereby described draining pad 20 is coupled together by the peristome O that the insertion section I with the first draining pad 20 inserts the second draining pad 20.Therefore, prevented that soil or deposit from entering described draining pad 20 interconnective joints, and therefore pore water can stably have been discharged.
The 6th embodiment
Below in conjunction with Figure 13 and Figure 14 draining pad according to sixth embodiment of the invention is described.Compose with identical Reference numeral with the same parts described in first embodiment to the, five embodiments, and omission is to their detailed description.
As Figure 13 and shown in Figure 14, draining pad according to sixth embodiment of the invention comprises a kind of draining pad, this draining pad comprises brown sheet 40, filler 30 and cover plate 80, described brown sheet 40 is by mixing Heveatex 44 and cocoanut fiber 42 and compressing this mixture and make, the passage that described filler 30 is arranged in described brown sheet 40 and provides the pore water that extracts by this palm fibre sheet 40 to flow through, described cover plate 80 surrounds the external surface of described brown sheet 40.
Herein, described cover plate 80 is equal to jute sheet 50, the brown net 60 in the 3rd embodiment or jute sheet 50 in the 4th embodiment and the brown net 60 in second embodiment.
In addition, described brown sheet 40 being had the opposite ends that is positioned at described filler 30 wherein at it sews up.Herein, the opposite ends of described brown sheet 40 is sewed up, thereby had step 43.In the 6th embodiment of the present invention, the opposite ends of described brown sheet 40 has step 43 separately.The invention is not restricted to this structure.Therefore, each end of described brown sheet 40 can provide at least two steps 43.
Described cover plate 80 has and described brown sheet 40 corresponding length, and is enclosed on the external surface of described brown sheet 40.Therefore, the described step 43 that forms at each end of described brown sheet 40 has under the situation of a groove 44 and a projection 45, can form the extension 82 that described cover plate 80 and described brown sheet 40 directly do not contact.
Adopt this structure, when described draining pad 20 interconnects, step 43 engagements of the brown sheet 40 of the step 43 of the brown sheet 40 of the first draining pad 20 and the second draining pad 20.At length, in the groove 44 of the brown sheet 40 of the projection 45 insertions second draining pad 20 of the brown sheet 40 of the first draining pad 20, and in the groove 44 of the brown sheet 40 of the projection 45 insertions first draining pad 20 of the brown sheet 40 of the second draining pad 20.In this mode, when described brown sheet 40 was meshing with each other, at least one securing member 90 passed these draining pad 20 interconnective joints.Therefore, these draining pads 20 can firmly be connected with each other.
According to the 6th embodiment of the present invention, described draining pad is included in the step 43 of each end of described brown sheet 40.Therefore, when described draining pad 20 interconnects, step 43 engagements of the brown sheet 40 of the step 43 of the brown sheet 40 of the first draining pad 20 and the second draining pad 20, thus can prevent that soil or deposit from entering described draining pad 20 interconnective joints.In addition, can prevent to flow into mud contained in the pore water of described draining pad 20 interconnective joints or deposit (described mud or sedimental particle have tiny diameter) enters in the described filler 30.Thereby the hole that can prevent to constitute between the cocoanut fiber of described filler 30 is stopped up by described mud and deposit, thereby described pore water can stably be discharged.
The 7th embodiment
Below in conjunction with Figure 15 and Figure 16 draining pad according to seventh embodiment of the invention is described.Compose with identical Reference numeral with the same parts described in first embodiment to the, six embodiments, and omission is to their detailed description.
As shown in figure 15, draining pad according to seventh embodiment of the invention comprises a kind of draining pad, this draining spacer has at the peristome O that described brown sheet 40 and described cover plate 80 is not stitched together of one end and at the insertion section I that described brown sheet 40 and described cover plate 80 is stitched together of the other end with the filler 30 that is positioned at wherein, so that be connected with another draining pad 20.
Herein, described cover plate 80 is equal to jute sheet 50, the brown net 60 in the 3rd embodiment or jute sheet 50 in the 4th embodiment and the brown net 60 in second embodiment.
With respect to the amount of the filler 30 of inserting the position except that the opposite ends of described draining pad 20, the opposite ends of described draining pad 20 (being peristome and insertion section) has relative more a spot of filler 30.
Adopt this structure, as shown in figure 16, under described draining pad 20 interconnective situations, the insertion section I of the first draining pad 20 closely inserts the peristome O of the second draining pad 20, and the feasible filler 30 of inserting an end (being peristome O) of the described second draining pad 20 is positioned at the bottom side of the insertion section I of the first draining pad 20.In other words, the peristome O of the insertion section I of the first draining pad 20 and the second draining pad 20, especially and the space of between the extension of described brown sheet 40 and described cover plate 80 and described filler 30, defining be complementary.Certainly, described insertion section I can insert described peristome O, and feasible filler 30 of filling an end (being described peristome O) of the described second draining pad 20 is positioned at the top side of the insertion section I of the described first draining pad 20.In addition, described insertion section I can insert described peristome O, and feasible filler 30 of filling an end (being peristome O) of the described second draining pad 20 is positioned at top side and the bottom side of the insertion section I of the described first draining pad 20.
According to the 7th embodiment of the present invention, a kind of draining pad is included in the peristome O of its end that described brown sheet 40 and described cover plate 80 is not stitched together, and is furnished with the filler 30 of scheduled volume in described peristome O.The insertion section I of another draining pad is inserted in the space of defining between the extension of described brown sheet 40 and described cover plate 80 and the described filler 30 (being peristome O).Adopt this structure, when described draining pad 20 interconnects, they can be always be connected with filler 30 between them, and therefore described pore water can flow through described filler 30 along described draining pad 20, thereby described pore water can stably be discharged.Certainly, can prevent that soil or deposit from entering described draining pad 20 interconnective joints.
The 8th embodiment
Below in conjunction with the draining pad of Figure 17 description according to eighth embodiment of the invention.Compose with identical Reference numeral with the same parts described in first embodiment to the, seven embodiments, and omission is to their detailed description.
As shown in figure 17, draining pad according to eighth embodiment of the invention comprises a kind of draining pad, this draining pad can be sewn along the horizontal and/or longitudinal direction of described draining pad, thereby can prevent that the filler 30 that is arranged in this draining pad is inclined to a side of described draining pad, and further increase the intensity of this draining pad.
Herein, the insertion section I of described draining pad 20 (projection 45 of the 6th embodiment) preferably provides at least one suture 91 at horizontal direction.In order to connect described draining pad 20, when the insertion section I of the first draining pad 20 (projection 45 of the 6th embodiment) inserts the peristome O (groove 44 of the 6th embodiment) of the second draining pad 20, bending arbitrarily takes place in the insertion section I (projection 45 of the 6th embodiment) that has prevented described draining pad 20, and therefore is easy to insert the peristome O (groove 44 of the 6th embodiment) of the second draining pad 20.
Simultaneously, in the 8th embodiment of the present invention, suture 91 and 92 forms on horizontal direction and longitudinal direction respectively.The invention is not restricted to this structure.Therefore, can form many sutures 91 and 92 in the horizontal and vertical directions.
According to the 8th embodiment of the present invention, described draining pad can be sewn along horizontal and vertical direction, thereby makes this draining pad can prevent the filler of wherein filling 30 tendencies one side, and thereby has improved drainage performance.In addition, described brown sheet 40 more firmly closely contacts with described filler 30, can improve the tensile strength and the compressive strength of described draining pad 20, and can reduce the thickness of described draining pad 20.
Described typical embodiment of the present invention although be in schematic purpose, those skilled in the art will appreciate that under the situation of the scope and spirit that do not depart from the claim of enclosing, various modification, interpolation and replacement are possible.
Claims (9)
1. draining pad, this draining pad is installed in the hag, and links to each other with the outlet of vertical drainage parts, and described vertical drainage parts vertically are installed in the described hag, so that extract the pore water that is stored in the described hag in vertical direction, described draining pad comprises:
Palm fibre sheet, this palm fibre sheet have cocoanut fiber and are filled in Heveatex in the hole between the described cocoanut fiber, and make by described Heveatex and described cocoanut fiber are mixed and compress this mixture; And
Filler, this filler are arranged in described brown sheet and the guiding passage that the pore water by this palm fibre sheet flows through are provided.
2. draining pad according to claim 1, wherein, the jute sheet that comprises the external surface that is enclosed in described brown sheet is paid somebody's debt and expected repayment later in described draining.
3. draining pad according to claim 2, wherein, the brown net that comprises the external surface that is enclosed in described jute sheet is paid somebody's debt and expected repayment later in described draining, wherein said brown net is by being made into coir rope with netted interlocking, every coir rope is by being entwined at least two yarns of making the cocoanut fiber of stalk shape.
4. draining pad according to claim 1, wherein, the brown net that comprises the external surface that is enclosed in described brown sheet is paid somebody's debt and expected repayment later in described draining, and wherein said brown net is by being made into coir rope with netted interlocking, and every coir rope is by being entwined at least two yarns of making the cocoanut fiber of stalk shape.
5. draining pad according to claim 4, wherein, described draining is paid somebody's debt and expected repayment later and is comprised the jute sheet that surrounds described palm fibre net.
6. according to any described draining pad among the claim 1-5, wherein, first end at described draining pad is formed with the peristome with predetermined space, and be formed with the insertion section so that insert the peristome of another draining pad at second end of described draining pad, thus the insertion section of described draining pad is inserted the peristome of other draining pad, thereby described draining pad is connected with each other.
7. draining pad according to claim 6, wherein,
With respect to the amount of inserting except that the filler at first end of described draining pad and the position second end, first end of described draining pad is filled with relative more a spot of filler with second end; And
Other the peristome of draining pad is inserted so that the filler in the peristome of other draining pad is positioned at the top side of insertion section of described draining pad and at least one side of bottom side in the insertion section of described draining pad.
8. according to any described draining pad among the claim 1-5, wherein, described brown sheet comprises the step on the opposite ends that is positioned at this palm fibre sheet, makes that the step of described brown sheet and the step of another brown sheet mesh when described draining pad is connected with another draining pad.
9. according to any described draining pad among the claim 1-5, wherein, described draining pad is sewn along the horizontal direction of described draining pad and at least one direction in the longitudinal direction.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2008-0003991 | 2008-03-27 | ||
| KR20080003991 | 2008-03-27 | ||
| KR20-2008-0004168 | 2008-03-31 | ||
| KR20080004168 | 2008-03-31 | ||
| KR2020090002320U KR200462355Y1 (en) | 2008-03-27 | 2009-03-02 | Drain mat for drain treating |
| KR20-2009-0002320 | 2009-03-02 | ||
| PCT/KR2009/001507 WO2009120013A1 (en) | 2008-03-27 | 2009-03-25 | Drain mat for drainage of soft ground |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101981257A true CN101981257A (en) | 2011-02-23 |
Family
ID=41114137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801108788A Pending CN101981257A (en) | 2008-03-27 | 2009-03-25 | Drain mat for drainage of soft ground |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101981257A (en) |
| WO (1) | WO2009120013A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711116A (en) * | 2013-11-08 | 2014-04-09 | 中交四航工程研究院有限公司 | Environment-friendly vertical drain adaptable to high-clay-content newly-dredged silt foundation |
| CN107761855A (en) * | 2016-08-22 | 2018-03-06 | 长葛市英达麻纺织厂 | A kind of double-faced sticking paper |
| CN107761852A (en) * | 2016-08-22 | 2018-03-06 | 长葛市英达麻纺织厂 | A kind of impurity filtering device |
| CN107761859A (en) * | 2016-08-22 | 2018-03-06 | 长葛市英达麻纺织厂 | A kind of hair collection paster |
| CN107761854A (en) * | 2016-08-22 | 2018-03-06 | 长葛市英达麻纺织厂 | A kind of simple hair collection component |
| CN107761920A (en) * | 2016-08-22 | 2018-03-06 | 长葛市英达麻纺织厂 | A kind of toilet floor drain hair collection component |
| CN107761857A (en) * | 2016-08-22 | 2018-03-06 | 长葛市英达麻纺织厂 | A kind of kitchen filtering paste |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5800090A (en) * | 1996-04-09 | 1998-09-01 | Geotechnics America, Inc. | Apparatus and method for liquefaction remediation of liquefiable soils |
| JP3895432B2 (en) * | 1997-07-15 | 2007-03-22 | 大日本土木株式会社 | Construction method on soft ground |
| KR19990073866A (en) * | 1998-03-04 | 1999-10-05 | 김수삼 | Natural hemp fiber vertical drainage and consolidation promotion method using the same |
| KR200318825Y1 (en) * | 2003-03-26 | 2003-07-04 | 이승규 | The fiber mat using a method of construction to improvement of drain in soft ground |
| KR100778076B1 (en) * | 2006-07-07 | 2007-11-21 | (주)메카모아 | Geogrid and manufacturing method of geogrid |
-
2009
- 2009-03-25 WO PCT/KR2009/001507 patent/WO2009120013A1/en active Application Filing
- 2009-03-25 CN CN2009801108788A patent/CN101981257A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711116A (en) * | 2013-11-08 | 2014-04-09 | 中交四航工程研究院有限公司 | Environment-friendly vertical drain adaptable to high-clay-content newly-dredged silt foundation |
| CN103711116B (en) * | 2013-11-08 | 2016-03-23 | 中交四航工程研究院有限公司 | A kind of environment-friendly type vertical drainage body being applicable to high sticky content new hydraulically filled sludge ground |
| CN107761855A (en) * | 2016-08-22 | 2018-03-06 | 长葛市英达麻纺织厂 | A kind of double-faced sticking paper |
| CN107761852A (en) * | 2016-08-22 | 2018-03-06 | 长葛市英达麻纺织厂 | A kind of impurity filtering device |
| CN107761859A (en) * | 2016-08-22 | 2018-03-06 | 长葛市英达麻纺织厂 | A kind of hair collection paster |
| CN107761854A (en) * | 2016-08-22 | 2018-03-06 | 长葛市英达麻纺织厂 | A kind of simple hair collection component |
| CN107761920A (en) * | 2016-08-22 | 2018-03-06 | 长葛市英达麻纺织厂 | A kind of toilet floor drain hair collection component |
| CN107761857A (en) * | 2016-08-22 | 2018-03-06 | 长葛市英达麻纺织厂 | A kind of kitchen filtering paste |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009120013A1 (en) | 2009-10-01 |
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Application publication date: 20110223 |