CN210031920U - Landfill yard impermeable material layer subsides compensating system - Google Patents
Landfill yard impermeable material layer subsides compensating system Download PDFInfo
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- CN210031920U CN210031920U CN201920256047.2U CN201920256047U CN210031920U CN 210031920 U CN210031920 U CN 210031920U CN 201920256047 U CN201920256047 U CN 201920256047U CN 210031920 U CN210031920 U CN 210031920U
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Abstract
The utility model discloses a landfill impervious material layer subsides compensation system, including laying the geotechnological barrier between the heap body and the foundation layer, the geotechnological barrier is formed with the settlement compensation district that is used for compensating the ground differential settlement in the foundation layer, the settlement compensation district sets up to V font groove structure, and this V font groove structure's bottom sets up to 15-90 with the horizontal angle, and is filled with the gliding compensation district of compensation direction that is used for geotechnological barrier 4 to follow the power in the settlement compensation district. The utility model discloses a set up the settlement compensation district of V-arrangement between the heap body and ground, avoided the inhomogeneous settlement to the destruction of geotechnological material barrier, this structure is with the reasonable V-arrangement groove of arranging of bottom of reservior anti-seepage system to the angle through V-arrangement groove sets up the pulling force that the maximize compensation subsides the barrier layer, prevents geotechnological barrier and damages.
Description
Technical Field
The utility model relates to a landfill technical field specifically is a landfill yard impervious material layer subsides compensating system.
Background
The sanitary landfill is a garbage treatment method which adopts engineering measures such as seepage prevention, rain and sewage diversion, compaction, covering and the like in a landfill and effectively controls leachate, landfill gas, odor and the like, wherein an seepage prevention system is the most important engineering measure of the sanitary landfill, and once the seepage prevention system is damaged, a large amount of high-concentration leachate is leaked, so that environmental accidents such as soil and underground water pollution are caused. The destruction of the barrier system is almost irreversible and its repair is very costly and difficult.
Due to the large area of the reservoir area of the landfill site, the instability of the foundation of the landfill reservoir area, particularly the uneven settlement of soft soil foundations (such as collapsible loess, mudflat and the like) is easy to occur in the process of landfill, the settlement can cause the horizontal anti-seepage system of the landfill reservoir area to generate tensile strain, and if the tensile strain of the geosynthetic material in the anti-seepage system exceeds the allowable tensile capability, the tensile damage will occur.
Furthermore, the anti-seepage system is a system formed by combining a geomembrane as a main anti-seepage material and other geosynthetics as an auxiliary material, and the tensile strength of each geosynthetic material is inconsistent, so that the capacity of each geosynthetic material for coping with uneven settlement is inconsistent, and therefore, the uneven settlement can cause partial synthetic materials of the anti-seepage system to be locally damaged, thereby affecting the performance of the anti-seepage system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a landfill yard impervious material layer subsides compensating system to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the settlement compensation system for the impermeable material layer of the landfill site comprises a geotechnical impermeable layer laid between a pile body and a foundation layer, wherein a settlement compensation area used for compensating the uneven settlement of a foundation is formed in the foundation layer of the geotechnical impermeable layer, the settlement compensation area is of a V-shaped groove structure, the included angle between the bottom of the V-shaped groove structure and the horizontal plane is 15-90 degrees, and a compensation area used for enabling the geotechnical impermeable layer 4 to slide along the compensation direction of the acting force is filled in the settlement compensation area.
The settlement compensation area is arranged on the side slope, the horizontal included angle of the bottom of one side close to the periphery of the side slope is set to be 90 degrees, and the horizontal included angle of the bottom of the other side close to the periphery of the side slope is set to be 45 degrees.
The settlement compensation area is arranged at the bottom of the reservoir, and the horizontal included angles at two sides of the bottom of the settlement compensation area are both set to be 60 degrees.
The width of the notch of the settlement compensation area is set to be 1 m.
The settlement compensation areas are uniformly distributed in the side slope or the bottom area of the storehouse of the pile body, and the mutual distance is 30-100 m.
And coarse sand is filled in the compensation area.
According to the above technical scheme, the utility model discloses a setting up the subsidence compensation district of V-arrangement between the heap body and ground, having avoided the inhomogeneous settlement to the destruction of geotechnological material barrier, this structure is with the reasonable V word groove of arranging of bottom of reservior anti-seepage system to the angle through V word groove sets up the pulling force that the maximize compensation subsides to the barrier layer, prevents geotechnological barrier and damages.
Drawings
Fig. 1 is a schematic diagram of a first embodiment of the present invention;
fig. 2 is a schematic diagram of a second principle of the embodiment of the present invention.
In the figure: 1 pile, 2 settlement compensation areas, 3 compensation areas, 4 geotechnical impermeable layers, 5 frictionless pulleys, 6 coarse sand, 7 first sunken areas and 8 second sunken areas.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
the settlement compensation system for the impermeable material layer of the landfill site as shown in fig. 1-2 comprises a geotechnical impermeable layer 4 laid between a pile body 1 and a foundation layer, wherein the geotechnical impermeable layer 4 is provided with a settlement compensation area 2 for compensating uneven settlement of a foundation on the foundation layer, the settlement compensation area 2 is arranged into a V-shaped groove structure, an included angle between the bottom of the V-shaped groove structure and the horizontal plane is 15-90 degrees, and a compensation area 3 for enabling the geotechnical impermeable layer 4 to slide along the compensation direction of force is filled in the settlement compensation area 2.
Further, the settlement compensation area 2 is arranged on the side slope, the horizontal included angle of the bottom of one side close to the periphery of the side slope is set to be 90 degrees, and the horizontal included angle of the other side is set to be 45 degrees.
Further, the settlement compensation area 2 is arranged at the bottom of the reservoir, and the horizontal included angles at two sides of the bottom of the settlement compensation area are both set to be 60 degrees.
Further, the width of the notch of the settlement compensating zone 2 is set to 1 m.
Furthermore, the settlement compensation areas 2 are uniformly distributed in the side slope or the bottom area of the heap body 1, and the mutual distance is 30m-100 m.
Furthermore, the compensation area 3 is filled with coarse sand 6.
The first embodiment is as follows:
as shown in fig. two, a geotechnical impermeable layer 4 is laid between the pile 1 and the foundation layer, the geotechnical impermeable layer 4 is provided with a settlement compensation area 2 for compensating uneven settlement of the foundation on the foundation layer, the settlement compensation area 2 is arranged in a V-shaped groove structure, when the settlement compensation area 2 is arranged at the bottom of the reservoir, the foundation layer is likely to settle around the settlement compensation area 2, a first depressed area 7 and a second depressed area 8 which are likely to settle are likely to be formed around the settlement compensation area 2, horizontal included angles at two sides of the bottom of the V-shaped groove structure are all set to 60 °, and the settlement compensation area 2 is filled with a compensation area 3 for the geotechnical impermeable layer 4 to slide along a compensation direction of the acting force, in this embodiment, coarse sand is preferably filled in the compensation area 3, the geotechnical impermeable layer 4 plays a role of sliding friction when being stressed, so as to reduce the friction force, more do benefit to geotechnological impermeable layer 4 and move the compensation between heap body 1 and ground base course, when taking place first depressed area 7 and second depressed area 8 and subside, heap body 1 can be in first depressed area 7 and second depressed area 8 downwards atress lift geotechnological impermeable layer 4 and remove, the removal in-process because the ground base course generally adopts soft soil foundation, for example collapsible loess, mud flat etc., this makes geotechnological impermeable layer 4 be equivalent to countless no friction pulley 5 in the soft soil foundation of removal below, and be located the coarse sand 6 and the geotechnological impermeable layer 4 of subsidence compensation district 2 and take place sliding friction, and drive geotechnological impermeable layer 4 to compensate the settlement loss volume in first depressed area 7 and the second depressed area 8 under the effect of pulling force, play the effect of protection geotechnological impermeable layer 4 and prevent its damage.
Example two:
as shown in the first drawing, a geotechnical impermeable layer 4 is laid between the pile 1 and the foundation layer, the geotechnical impermeable layer 4 is provided with a settlement compensation area 2 for compensating uneven settlement of the foundation on the foundation layer, the settlement compensation area 2 is arranged in a V-shaped groove structure, when the settlement compensation area 2 is arranged on the side slope, the settlement compensation area 2 is likely to have settlement of the foundation layer in the area of one side close to the bottom of the reservoir, a first concave area 7 is arranged in the view, the horizontal included angle of the bottom of the V-shaped groove structure at the bottom of one side close to the periphery of the side slope is arranged to be 90 degrees, the other side is arranged to be 45 degrees, the settlement compensation area 2 is filled with a compensation area 3 for the geotechnical impermeable layer 4 to slide along the compensation direction of the acting force, in the embodiment, coarse sand is preferably filled in the compensation area 3, the geotechnical impermeable layer 4, more do benefit to geotechnological barrier 4 and move the compensation between heap body 1 and the ground base course, when taking place first depressed area and subside, heap body 1 can be in first depressed area 7 downwards atress and draw geotechnological barrier 4 to move, move the in-process because the ground base course generally adopts the soft soil foundation, for example collapsible loess, mud flat etc., this soft soil foundation that makes geotechnological barrier 4 below in moving is equivalent to no several frictionless pulley 5, and be located and subside 6 and the geotechnological barrier 4 of compensating area in 2 and take place sliding friction, and drive geotechnological barrier 4 under the effect of pulling force and compensate the settlement loss amount in to first depressed area 7, play protection geotechnological barrier 4 and prevent its damaged effect.
The above examples are all used to prevent differential settlement from causing damage to the geotechnical barrier 4, as shown in the following table;
as can be seen from the above table, when the angle a is 60 ° and the angle B is 60 °, the groove depth is 0.866 m and the compensation length is 1m, and when the angle a is 45 ° and the angle B is 90 °, the groove depth is 1m and the compensation length is 1.414 m, the two sets of data are the preferred embodiment schemes for applying the sedimentation compensation zone 2 to the bottom and the periphery of the reservoir.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (6)
1. The utility model provides a landfill yard barrier material layer subsides compensating system which characterized in that: the foundation settlement compensation device comprises a geotechnical impermeable layer (4) laid between a pile body (1) and a foundation layer, wherein a settlement compensation area (2) used for compensating the uneven settlement of a foundation is formed in the foundation layer of the geotechnical impermeable layer (4), the settlement compensation area (2) is arranged to be a V-shaped groove structure, the included angle between the bottom of the V-shaped groove structure and the horizontal plane is 15-90 degrees, and a compensation area (3) used for enabling the geotechnical impermeable layer (4) to slide along the compensation direction of the acting force is filled in the settlement compensation area (2).
2. The landfill site impermeable material layer settlement compensation system of claim 1, wherein: the settlement compensation area (2) is arranged on the side slope, the horizontal included angle of the bottom of one side close to the periphery of the side slope is set to be 90 degrees, and the horizontal included angle of the other side is set to be 45 degrees.
3. The landfill site impermeable material layer settlement compensation system of claim 1, wherein: the settlement compensation area (2) is arranged at the bottom of the reservoir, and the horizontal included angles at two sides of the bottom of the settlement compensation area are all set to be 60 degrees.
4. The landfill site impermeable material layer settlement compensation system of claim 1, wherein: the width of the notch of the settlement compensation area (2) is set to be 1 m.
5. The landfill site impermeable material layer settlement compensation system of claim 1, wherein: the settlement compensation areas (2) are uniformly distributed in the side slope or the bottom area of the storehouse of the pile body (1) and the mutual distance is 30-100 m.
6. The landfill site impermeable material layer settlement compensation system of claim 1, wherein: and coarse sand (6) is filled in the compensation area (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920256047.2U CN210031920U (en) | 2019-02-28 | 2019-02-28 | Landfill yard impermeable material layer subsides compensating system |
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| CN201920256047.2U CN210031920U (en) | 2019-02-28 | 2019-02-28 | Landfill yard impermeable material layer subsides compensating system |
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| CN210031920U true CN210031920U (en) | 2020-02-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116078778A (en) * | 2023-03-07 | 2023-05-09 | 重庆三峰科技有限公司 | Vertical partition structure of household garbage landfill site and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116078778A (en) * | 2023-03-07 | 2023-05-09 | 重庆三峰科技有限公司 | Vertical partition structure of household garbage landfill site and construction method thereof |
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Address after: No. 3966, Qimen Road, Baohe District, Hefei, Anhui Province, 230009 Patentee after: ANHUI TONGYUAN ENVIRONMENT ENERGY SAVING Co.,Ltd. Address before: No. 856, Jinzhai South Road, Baohe District, Hefei City, Anhui Province, 230041 Patentee before: ANHUI TONGYUAN ENVIRONMENT ENERGY SAVING Co.,Ltd. |