CN210562126U - Low stress area strenghthened type bentonite antifouling division wall - Google Patents
Low stress area strenghthened type bentonite antifouling division wall Download PDFInfo
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- CN210562126U CN210562126U CN201921365404.5U CN201921365404U CN210562126U CN 210562126 U CN210562126 U CN 210562126U CN 201921365404 U CN201921365404 U CN 201921365404U CN 210562126 U CN210562126 U CN 210562126U
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Abstract
The utility model provides a low stress region strenghthened type bentonite antifouling division wall belongs to groundwater pollution prevention and control technical field. The anti-seepage wall solves the problems that the existing wall is not firm enough, the anti-seepage effect is not obvious and the like. This antifouling division wall of low stress zone strenghthened type bentonite, including seting up the slot under the place, its characterized in that: the upper end of the groove is opened to the ground, the lower end of the groove is excavated to the ground bottom impervious barrier, the upper section and the lower section of the groove are widened, the width of the upper section and the width of the lower section are both larger than the width of the middle section, bentonite wall materials are filled in the groove, an anti-seepage plate is arranged in the bentonite wall materials, and the anti-seepage plate is formed by connecting a plurality of plates. The utility model discloses structural design is simple, and work is effective, and the top consolidation pressure and the bottom consolidation pressure of wall body obtain the increase, reduce the infiltration, avoid being punctured, and the prevention of seepage board can effectually avoid the sewage infiltration in the wall body, and the structural design of prevention of seepage board has reached advantages such as easy and simple to handle, convenient operation's work effect simultaneously.
Description
Technical Field
The utility model belongs to the technical field of groundwater pollution prevention and control, refer in particular to a low stress region strenghthened type bentonite antifouling division wall.
Background
At present, chinese patent literature discloses a cement-bentonite vertical antifouling partition wall structure and method, and application publication No. (CN 107724381 a), which includes a cement-bentonite wall body disposed at the junction of an upstream water level and a downstream water level and guide walls disposed on both sides of the surface portion of the cement-bentonite wall body, wherein the cement-bentonite wall body is disposed in a high-permeability rock-soil layer, and the lower portion of the cement-bentonite wall body is embedded in a relatively impermeable soil layer below the high-permeability rock-soil layer to form a stable upstream water level and a stable downstream water level on the high-permeability rock-soil layer; and an overlying structure is arranged on the cement-bentonite wall body, the top surface of the guide wall and the ground around the cement-bentonite wall body and the guide wall.
The anti-seepage plate is not arranged in the wall body of the structure, so that the anti-seepage effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a low stress district strenghthened type bentonite antifouling division wall, it has overcome the defect that above-mentioned prior art exists, has reached the stress augmentation of wall body top and bottom, has reduced the osmotic coefficient, reaches the good effect of prevention of seepage effect.
The purpose of the utility model is realized like this:
antifouling division wall of low stress zone strenghthened type bentonite, including seting up the slot under the place, its characterized in that: the upper end of the groove is opened to the ground, the lower end of the groove is excavated to the ground bottom impervious barrier, the upper section and the lower section of the groove are widened, the width of the upper section and the width of the lower section are both larger than the width of the middle section, bentonite wall materials are filled in the groove, an anti-seepage plate is arranged in the bentonite wall materials, and the anti-seepage plate is formed by connecting a plurality of plates.
And (3) carrying out stacking loading on the top of the groove to increase the stress at the top and the bottom of the wall body and reduce the permeability coefficient of the wall body, and solidifying the soil-bentonite backfill material under the combined action of self weight and stacking loading to form the soil-bentonite isolation wall with thickened top and bottom.
Preferably, the specific structure of the impermeable plate is as follows: the plate comprises a first half section and a second half section, the thickness of the first half section is larger than that of the second half section, the end of the first half section is curled to form a first sleeve pipe, the end of the second half section is curled to form a second sleeve pipe, the pipe diameter of the first sleeve pipe is larger than that of the second sleeve pipe, the curling ends of the first sleeve pipe and the second sleeve pipe are fixedly welded with the plate body, a broken groove is formed in the first sleeve pipe, and the rear half section of the plate can be contained by the width of the broken groove to stretch out.
Preferably, the anti-seepage plate is formed by connecting a plurality of plate blocks: the second sleeve joint pipe of the former plate is positioned in the first sleeve joint pipe of the latter plate, and the latter half section of the former plate passes through the broken groove.
Preferably, the direction of the broken groove is perpendicular or parallel to the plate, or an included angle smaller than 90 degrees is formed between the direction of the broken groove and the plate.
Preferably, the specific structure of the impermeable plate is as follows: the front end of plate is equipped with the bayonet joint, the rear end is equipped with the socket, is provided with a portion of colluding on this bayonet joint, colludes the rear side of portion and is equipped with flexible sealed briquetting, is equipped with in the slot in the bayonet joint with colluding the arch of portion adaptation, flexible sealed briquetting extrudees and forms sealedly in the slot.
Preferably, the flexible sealing pressing block is made of rubber or plastics and comprises three arc-shaped raised heads, the heights of the three raised heads are sequentially increased, and the sealing pressing block is fixedly bonded with the plate through glue.
Preferably, the front part of the plate is folded, the folding angle is 0-90 degrees, and the corresponding plug connector is also folded along with the folding of the front part.
Compared with the prior art, the utility model outstanding and profitable technological effect is:
1. the utility model discloses structural design is simple, and work is effective, can strengthen the firmness of wall body, and prevention of seepage board can effectually avoid sewage infiltration in the wall body, and the structural design of prevention of seepage board has simultaneously reached the dismouting portably, convenient operation's work effect.
2. The utility model discloses an upper segment and the hypomere of slot widen the setting, fill width, the area increase of the upper segment of the wall body that forms behind the modified bentonite and hypomere, the top consolidation pressure and the bottom consolidation pressure of its wall body obtain the increase, reduce the infiltration, avoid being punctured.
3. The utility model discloses a modified bentonite, the adsorptivity is strong: can adsorb heavy metal ions, and has high chemical compatibility: the stability is strong.
4. The top and the bottom of the groove are widened, so that the problem of low stress of the shallow part of the wall is solved, cracks are prevented from being generated, and the permeability coefficient of the wall can be obviously reduced. The measure of increasing the wall thickness is combined, the impermeability of the wall is effectively improved, the partition wall is prevented from being broken down firstly at a shallow part with high pollutant concentration, and the service life of the partition wall is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a first embodiment of the impermeable sheet of the present invention.
Fig. 3 is a schematic view of a second embodiment of the impermeable sheet of the present invention.
Fig. 4 is a schematic view of a third embodiment of the impermeable sheet of the present invention.
Fig. 5 is a schematic view of a fourth embodiment of the impermeable sheet of the present invention.
Detailed Description
The invention will be further described in the following with reference to the accompanying drawings in which: see fig. 1-5. Antifouling division wall of low stress zone strenghthened type bentonite, including seting up groove 1 under the place, its characterized in that: the upper end of the groove 1 is opened to the ground, the lower end of the groove is excavated to the ground bottom impervious barrier 2, the upper section 3 and the lower section 4 of the groove are widened, the width of the upper section and the width of the lower section are both larger than the width of the middle section 5, the groove is filled with bentonite wall material, an anti-seepage plate 6 is arranged in the bentonite wall material, and the anti-seepage plate is formed by connecting a plurality of plates. The bentonite wall material is modified bentonite.
And (3) carrying out stacking loading on the top of the groove to increase the stress at the top and the bottom of the wall body and reduce the permeability coefficient of the wall body, and solidifying the soil-bentonite backfill material under the combined action of self weight and stacking loading to form the soil-bentonite isolation wall with thickened top and bottom.
The specific structure of the impermeable plate 6 is as follows: the plate includes half preceding section 7 and half back section 8, and half preceding section 7 thickness is greater than half back section 8, and the end curl shape of half preceding section is a 9 of cup joint pipe, and the end of half back section curls and forms two bell and spigot pipes 10, and wherein the pipe diameter of bell and spigot pipe 9 is greater than the pipe diameter of bell and spigot pipe two 10, and the end of curling of bell and spigot pipe 9 and bell and spigot pipe two 10 is fixed with plate body welded, is located and has seted up the broken groove 11 on bell and spigot pipe one 9, and the width of this broken groove 11 can hold the half back section of plate and stretch out.
The anti-seepage plate is formed by connecting a plurality of plates: the second sleeve pipe 10 of the former plate is positioned in the first sleeve pipe 9 of the latter plate, the rear half section of the former plate passes through the broken groove 11, and a cementing material is filled between the second sleeve pipe and the first sleeve pipe, wherein the cementing material can be gypsum, lime and other common substances in civil engineering.
The direction of the broken groove 11 is vertical or parallel to the plate, or an included angle smaller than 90 degrees is formed between the direction of the broken groove 11 and the plate.
The specific structure of the anti-seepage plate is as follows: the front end of plate is equipped with bayonet joint 12, the rear end is equipped with bayonet socket 13, is provided with a portion 14 that colludes on this bayonet joint, and the rear side of portion 14 that colludes is equipped with flexible sealed briquetting 15, is equipped with in the slot in the bayonet socket 13 with colluding the arch 16 of portion adaptation, and flexible sealed briquetting extrusion 15 forms sealedly in the slot.
The flexible sealing pressing block 15 is made of rubber or plastics and comprises three arc-shaped raised heads 17, the heights of the three raised heads are sequentially increased, and the sealing pressing block is fixedly bonded with the plate through glue.
The front part of the plate is turned over, the turning angle is 0-90 degrees, and the corresponding plug connector 12 is also turned over along with the turning over of the front part.
When the wall body needs to be provided with corners, the anti-seepage plates need to be changed correspondingly, so that the two anti-seepage plates are provided with turning mechanisms, the first anti-seepage plate utilizes the difference of the opening positions of the broken grooves, the second anti-seepage plate utilizes the turning angles, and the two anti-seepage plates can be machined and adjusted according to actual conditions in the later stage.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. Antifouling division wall of low stress zone strenghthened type bentonite, including seting up the slot under the place, its characterized in that: the upper end of the groove is opened to the ground, the lower end of the groove is excavated to the ground bottom impervious barrier, the upper section and the lower section of the groove are widened, the width of the upper section and the width of the lower section are both larger than the width of the middle section, bentonite wall materials are filled in the groove, an anti-seepage plate is arranged in the bentonite wall materials, and the anti-seepage plate is formed by connecting a plurality of plates.
2. The low stress area reinforced bentonite antifouling separation wall of claim 1, which is characterized in that: the specific structure of the anti-seepage plate is as follows: the plate comprises a first half section and a second half section, the thickness of the first half section is larger than that of the second half section, the end of the first half section is curled to form a first sleeve pipe, the end of the second half section is curled to form a second sleeve pipe, the pipe diameter of the first sleeve pipe is larger than that of the second sleeve pipe, the curling ends of the first sleeve pipe and the second sleeve pipe are fixedly welded with the plate body, a broken groove is formed in the first sleeve pipe, and the rear half section of the plate can be contained by the width of the broken groove to stretch out.
3. The low stress area reinforced bentonite antifouling separation wall of claim 2, wherein: the anti-seepage plate is formed by connecting a plurality of plates: the second sleeve pipe of the former plate is positioned in the first sleeve pipe of the latter plate, the rear half section of the former plate penetrates through the broken groove, and a cementing material is filled between the second sleeve pipe and the first sleeve pipe.
4. The low stress area reinforced bentonite antifouling separation wall of claim 3, wherein: the direction of the broken groove is vertical or parallel to the plate, or an included angle smaller than 90 degrees is formed between the direction of the broken groove and the plate.
5. The low stress area reinforced bentonite antifouling separation wall of claim 1, which is characterized in that: the specific structure of the anti-seepage plate is as follows: the front end of plate is equipped with the bayonet joint, the rear end is equipped with the socket, is provided with a portion of colluding on this bayonet joint, colludes the rear side of portion and is equipped with flexible sealed briquetting, is equipped with in the slot in the bayonet joint with colluding the arch of portion adaptation, flexible sealed briquetting extrudees and forms sealedly in the slot.
6. The low stress area reinforced bentonite antifouling separation wall of claim 5, wherein: the flexible sealing pressing block is made of rubber or plastics and comprises three arc-shaped protruding heads, the heights of the three protruding heads are sequentially increased, and the sealing pressing block is fixedly bonded with the plate through glue.
7. The low stress area reinforced bentonite antifouling separation wall of claim 5, wherein: the front part of the plate is turned over, the turning angle is 0-90 degrees, and the corresponding plug connector is also turned over along with the turning over of the front part.
8. The low stress area reinforced bentonite antifouling separation wall of claim 1, which is characterized in that: the bentonite wall material is modified bentonite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921365404.5U CN210562126U (en) | 2019-08-16 | 2019-08-16 | Low stress area strenghthened type bentonite antifouling division wall |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921365404.5U CN210562126U (en) | 2019-08-16 | 2019-08-16 | Low stress area strenghthened type bentonite antifouling division wall |
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| CN210562126U true CN210562126U (en) | 2020-05-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113846699A (en) * | 2021-10-18 | 2021-12-28 | 浙江水利水电学院 | Activated carbon improved soil-bentonite vertical antifouling partition wall structure and construction method |
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2019
- 2019-08-16 CN CN201921365404.5U patent/CN210562126U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113846699A (en) * | 2021-10-18 | 2021-12-28 | 浙江水利水电学院 | Activated carbon improved soil-bentonite vertical antifouling partition wall structure and construction method |
| CN113846699B (en) * | 2021-10-18 | 2022-11-18 | 浙江水利水电学院 | Activated carbon improved soil-bentonite vertical antifouling partition wall structure and construction method |
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