CN2528802Y

CN2528802Y - Permeable board with discrete humb

Info

Publication number: CN2528802Y
Application number: CN 01271456
Authority: CN
Inventors: 李兰英
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-12-29
Filing date: 2001-12-29
Publication date: 2003-01-01
Anticipated expiration: 2011-12-29

Abstract

The utility model discloses a permeable board with discrete humb. An objective of the utility model is realized by a filter layer and a permeable board with groove, a flat plate of which is provided with a discrete humb. The utility model is characterized in that: the permeable board with groove consists of two thin film-shaped sheets and a supporting block body arranged between the two thin film-shaped sheets, wherein at least one thin film-shaped sheet is provided with a cavity-shaped discrete humb, and the supporting block is arranged in a cavity of the cavity-shaped discrete humb and surrounded by the two thin film-shaped sheets. The utility model has the advantages of capability of adapting to irregular surface shape of structures, draining water and easily manufacturing permeable board with large displacement, simple manufacture and low cost, and can be broadly applied to soil underdrainage and seepage drainage of structure.

Description

A kind of convex water Permeable plate

One) technical field

The utility model relates to a kind of porous disc of getting rid of infiltration.

Two) background technology

At present, in engineerings such as building, often must carry out the draining of the soil body or structure inside, as dewatering, the row's of cutting underground water, the barricade back of the body, abutment draining, tunnel drainage or the like.In these drainage workss, a kind of porous disc commonly used is that the central layer outer wrapping geotextile that is provided with discrete projecting parts is formed, this central layer that is provided with discrete projecting parts structurally can be divided into bossing 01 and plate part 02, as shown in Figure 1, bossing 01 wherein supports the outer permeatable filter layer 03 that covers, plate part 02 connection bump part 01 also forms the permeable central layer integral body with intensity, extraneous infiltration is infiltrated in the permeable central layer by the permeatable filter layer 03 that covers outward, is draining between the bossing 01 He on the plate part 02.In Chinese patent, the patent of invention ZL patent No. 94192392.4 once disclosed a kind of subsoil drain, was to be provided with non-convex area on the porous disc central layer of discrete projecting parts, and the ZL patent No. 95217483.9 also is the porous disc of this discrete projecting parts in addition.

This class discrete projecting parts porous disc of prior art has following shortcoming: 1; because bossing is fixed on the plate part; porous disc itself has certain bulk strength; can not commensurate structure thing surface uneven: for example in the tunnel; on the structures such as retaining wall during draining; because the surface of these structures palpus drainings is normally rough; and the plate part 02 of the porous disc of prior art and bossing 01 are to have the integral body that is equal to hardness; when such porous disc is used in the structure surface; under ambient pressure; porous disc regular meeting breaks at the uneven place of structure or damages by pressure, and loses drainage effect.2, the bossing size of porous disc is limited and cause displacement little, make trouble and the cost height when wanting to increase the size of bossing: the height of bossing 01 is less, cause drainage space less, cause that drainage efficiency is low, when wanting to increase displacement increase bossing 01 height, must increase the thickness of entire plate in order to meet the requirements of compressive strength, make the moulding trouble thereby make, and the cost height; Less permeable space is also easily compressed in a large number between extraneous load action lower convexity part 01 in addition, thereby drainage space is further reduced, and displacement reduces; 3, local compressive strength is low: the anti-pressure ability of the bossing 01 in the existing band convex water Permeable plate has certain restriction, itself also easily is compressed in extraneous load action lower convexity part, thereby drainage space is reduced.

Three) summary of the invention

The purpose of this utility model is to provide a kind of convex water Permeable plate, the damage that this porous disc can uneven place, buffer structure surface be prone to, can easily increase the size of displacement and bossing, local compressive strength height, drainage efficiency height, make simple, cheap a kind of convex water Permeable plate.

The purpose of this utility model is achieved like this: comprise that permeatable filter layer and flat board are provided with the permeable central layer of discrete projecting parts, permeatable filter layer is coated on flat board and is provided with outside the permeable central layer of discrete projecting parts, it is characterized in that: permeable central layer is by two tympans and the support blocks that is provided with therebetween constitutes, wherein a slice tympan is provided with the cavity-like discrete projecting parts at least, described back-up block is located in the cavity of cavity-like discrete projecting parts, and is surrounded by two tympans.

Described tympan is diaphragm or thin web, and its material can be high polymer, its thickness below 5mm, the rubber tile below 5 millimeters for example, plastic sheeting.

Described back-up block can be plastic pipe, cement block, and the special-shaped piece of composite material composition;

Described back-up block shape can be at least one axial uniform section type block, also can also can be provided with reinforcing rib in the back-up block for unequal section type block.

Described convex water Permeable plate central layer can be strengthened with net.Net can be the net of plastics, rubber, fiber, wire or its composite material composition.

Described convex water Permeable plate can with plastic irregular profile, helical spring combination further increases permeable cavity, drainage efficiency further improves.

The utility model porous disc can be provided with geomembrane according to actual conditions on several, and makes at least one face of the utility model porous disc permeable.

The utility model compared with prior art has the following advantages: 1, this convex water Permeable plate had both had overall flexibility, so that structure surface irregularity place obtains buffering, has local hardness again at each block place, cover permeatable filter layer outward to support preferably, reaching not only can commensurate structure thing surface configuration but also can the draining purpose; 2, can make big displacement porous disc easily, and make simple: owing to can change the size of back-up block easily, and the size of film projection, its displacement can be greatly improved, and make simple; 3, each block compressive strength height, under pressure distortion little, thereby make less that drainage space reduces, drainage efficiency is improved.4, economical with materials, cost reduce: the wall thickness of a kind of convex water Permeable plate of the present utility model can be reduced significantly, thereby can economical with materials, and can insert inexpensive rigid support material in the tympan cavity, and whole cost is reduced;

Four) description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is further described.

Fig. 1 is the porous disc perspective view of prior art band discrete projecting parts;

Fig. 2 is each layer plane structural representation of the utility model embodiment one;

Fig. 2-1 to Fig. 2-4 be each generalized section among the embodiment one;

Fig. 3 is the stereochemical structure decomposing schematic representation of the utility model embodiment two;

Fig. 3-1 is the tubular support piece schematic diagram of the back-up block that can be used for replacing embodiment two;

Fig. 4 is the sectional view of the utility model embodiment three;

Fig. 5 is the stereochemical structure decomposing schematic representation of the utility model embodiment four;

But Fig. 5-1 be among the utility model embodiment four sheet in another object that enlarges permeable cavity;

Five) specific embodiment

As shown in Figure 2, present embodiment one comprises the tympan 1 of being with discrete projecting parts, back-up block 3, and not with the flat sheet membranes shape thing 2 of discrete projecting parts, the permeatable filter layer 4 that reaches coated outside constitutes.The block 3 of present embodiment is the cement concrete block, and permeatable filter layer 4 is a geotextile, and

tympan

1 and 2 is dacron membrane, the thickness of dacron membrane is 0.5 millimeter, the dacron membrane 1 of band discrete projecting parts can be divided into plate part 11 in shape, and cavity-like bossing 12 is shown in Fig. 2-1; Cement concrete block 3 is set in the cavity of bossing 12, and the maximum cross-section diameter of concret block is 2 centimetres, shown in sectional view 2-2; Again dacron membrane 2 is overlayed on the no convex side of dacron membrane 1, and make the plate part 11 of dacron membrane 1 compound, shown in Fig. 2-3 with dacron membrane 2 hot pressing; Coat geotextile 4 at last outside, shown in Fig. 2-4; A kind of convex water Permeable plate of promptly forming present embodiment one, water leaking-in can flow away in the space between the bossing 12, and Fig. 2 is the complete diagram of each layer of demonstration of present embodiment.Can outside porous disc, only wrap up layer of geotextile cloth; Also wrapped multiple geotextile cloth as required, the geotextile cloth joint of adjacent layer staggers mutually; Also can wrap up as required after the layer of geotextile cloth, guarantee that its lap is provided with one deck geomembrane again under the permeable prerequisite of at least one face of porous disc.

As shown in Figure 3, present embodiment two is basic identical with embodiment one, and difference is to have added between dacron membrane 1 and the dacron membrane 2 the latticed layer 5 of one deck, and the latticed layer 5 of present embodiment is a gauze wire cloth, plays and strengthens the effect of toughness intensity.The back-up block 3 of present embodiment also can be used pvc pipe (shown in Fig. 3-1) replacement with back-up block 3 equal heights.

As shown in Figure 4, present embodiment three is basic identical with embodiment one, difference is that tympan 2 is not dull and stereotyped, but shape is identical with tympan 1, its shape also is divided into plate part 11 and bossing 12, the cavity inner height of bossing 12 is 2.5 centimetres,

tympan

1 and 2 is polypropylene screen, the thickness of film is 1 millimeter, and block 3 is 2 centimetres of internal diameters, long 5 centimetres pvc pipe, block 3 places in bossing 12 cavitys of

tympan

1 and 2,

tympan

1 and 2 plate part 11 hot pressing are compound firmly, constitute the porous disc central layer that the two sides has discrete projecting parts, coat geotextile 4 at last outside.The block 3 of present embodiment can certainly be used the tubular body of other materials.

As shown in Figure 5, present embodiment four is the example of a kind of convex water Permeable plate central layer and the object combination that enlarges the draining cavity.In the present embodiment, a kind of place, limit of convex water Permeable plate central layer couples together with " L type " plastic irregular profile 6, consist of a kind of convex water Permeable plate central layer that has enlarged the draining cavity, plastic irregular profile 6 passes through adhesive bond with central layer, can certainly be with continuously connected fastener or welding, last at such central layer outsourcing earthing worker fabric 4, promptly become a kind of convex water Permeable plate that has enlarged the draining cavity;

Fig. 5-1 is for enlarging the helical spring that is covered with PVC of draining cavity, and helical spring can be connected with permeable central layer by boring a hole on permeable central layer.

Claims

1, a kind of convex water Permeable plate that is used to get rid of infiltration, comprise permeatable filter layer and the permeable central layer that has discrete projecting parts, permeatable filter layer is arranged at outside the permeable central layer that has discrete projecting parts, it is characterized in that: permeable central layer is by two tympans and the back-up block that is provided with therebetween constitutes, wherein a slice tympan is provided with the cavity-like discrete projecting parts at least, described back-up block is located in the cavity of cavity-like discrete projecting parts, and is surrounded by two tympans.

2, a kind of convex water Permeable plate according to claim 1 is characterized in that: described permeable central layer is provided with netted enhancement Layer (5).

3, a kind of convex water Permeable plate according to claim 1 is characterized in that: described tympan is a thickness less than 0.5 centimetre high polymer.

4, a kind of convex water Permeable plate according to claim 1 is characterized in that: described back-up block is a tubulose.

5, a kind of convex water Permeable plate according to claim 1 is characterized in that: described back-up block is the coagulating cement soil block.

6, according to the described any convex water Permeable plate of claim 1 to 5, it is characterized in that: described permeable central layer is provided with the profile shapes (61) that enlarges the draining cavity.

7, according to the described any convex water Permeable plate of claim 1 to 5, it is characterized in that: described permeable central layer is provided with the helical spring (62) that enlarges the draining cavity.