CN106677199A - Method for vertically laying HDPE geomembranes underground - Google Patents
Method for vertically laying HDPE geomembranes underground Download PDFInfo
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- CN106677199A CN106677199A CN201510763954.2A CN201510763954A CN106677199A CN 106677199 A CN106677199 A CN 106677199A CN 201510763954 A CN201510763954 A CN 201510763954A CN 106677199 A CN106677199 A CN 106677199A
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- film framework
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
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- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a method for vertically laying HDPE geomembranes underground. In the method, a crane, a membrane expansion frame, a fixed depression bar and a balance weight are adopted. The method for vertically laying the geomembranes comprises the following steps; through the adoption of the technical scheme of the method disclosed by the invention, a vertical soft anti-seepage wall of continuous underground HDPE geomembranes can be established, so that migration and diffusion of contaminated soil or contaminants in underground water can be controlled, and further appropriate comprehensive methods for treating the contaminants can be adopted to gradually reduce and remove the contaminants, and recover the soil and water; the method disclosed by the invention is mature in equipment and technology, and safe to operate, and the vertical paving depth and the vertical paving speed can be flexibly controlled; the free combination of the balance weight and the HDPE geomembranes and the separation of the balance weight from the HDPE geomembranes are realized, and besides, the length and the width of the frame can be adjusted according to the needs of engineering, so that the construction efficiency is improved; the HDPE laying speed is controlled; the HDPE geomembranes can be stabilized and prevented from floating upwards; the purpose for vertically putting down the HDPE geomembranes is achieved by utilizing the free combination of the HDPE geomembranes and the membrane expansion frame and the separation of the HDPE geomembranes from the membrane expansion frame; and the continuity and the completeness of a wall body are guaranteed. The method disclosed by the invention is simple to operate, free from secondary pollution, safe and environmental friendly.
Description
Technical field
The present invention relates to a kind of laying method of HDPE geomembranes, more particularly to a kind of HDPE geomembranes vertically descend laying method.
Background technology
In the prior art, with the fast development of social economy, urbanization and industrialization development are accelerated, and municipal refuse, industrial waste are sharply increased, and petrochemical industry, mine smelting process are increasing to the pressure that environment is produced.Sudden Pollution Accident takes place frequently, and polluting property is responsible for, and pollution level is deeper.Contaminated soil, subsoil water and the polluter of underground may be leaked to urgently control, conventional rigid diaphram wall, barrier performance is limited, it is not resistant to special pollutant, and when the cut-pff wall for needing laying very deep, product has expired mud and the subsoil water for oozing out in the underground dead slot for excavating out, and people cannot carry out the laying of HDPE geomembranes.
The content of the invention
In view of this, present invention is primarily targeted at providing a kind of HDPE geomembranes vertically descends laying method, by the technical program, build continuous underground HDPE geomembranes flexible vertical cut-pff wall, the diffusion mobility polluted in control polluted soil or subsoil water, and then pollutant are taken with suitable comprehensive processing method, it is gradually lowered, remove pollutant, recover soil and water body, HDPE geomembranes are delivered to underground dead slot bottom using counterweight and exhibition film framework, and prevent HDPE geomembranes from floating and counterweight and HDPE geomembranes lower end are retained in into underground dead slot bottom.
In order to achieve the above object, the technical scheme is that what is be achieved in that.
A kind of HDPE geomembranes vertically descend laying method, carry out laying HDPE geomembranes using following equipment, the equipment includes crane, exhibition film framework, fixed press strip and counterweight, the exhibition film framework is rectangle, depth of the height of exhibition film framework more than underground dead slot, the width of exhibition film framework is equal to or less than the width of HDPE geomembranes, exhibition is provided with several ratchets on the bottom surface of film framework lower end, the counterweight is made up of fixed flat steel and fixed angle steel, the fixed angle steel is constituted from vertical and to the hook that retreads, the bottom of fixed angle steel is into pointed, it is provided with several holes corresponding with ratchet position in valley backward, fixed press strip, fixed flat steel and fixed angle steel are respectively with exhibition film framework with wide.
Carry out laying in HDPE geomembranes using following equipment, the equipment includes operation fixed mount.
The present invention is laid according to the following steps, the step：
. crane is moved to into the job position of underground dead slot side；
. by every section of working length of HDPE geomembranes, by the depth of implements of place work surface underground dead slot cutting is carried out；
. by stepThe front end of middle HDPE geomembranes passes through the fixed flat steel of counterweight and is bolted to before fixed angle steel vertical, the rear end of HDPE geomembranes is bolted on figure level pressure bar, ratchet on exhibition film framework lower end bottom surface is inserted in hole corresponding on fixed angle steel, after HDPE geomembranes and fixed press strip are tensed, fixed press strip is tied up and is mounted on the upper end of exhibition film framework；
. exhibition film framework upper end is sling in crane lifting, is placed in the dead slot of underground together with the HDPE geomembranes drive counterweight connected together with exhibition film framework, and the fixed flat steel of counterweight is placed on the bottom of underground dead slot with fixed angle bar；
. will tie up and be mounted in the fixed press strip of exhibition film framework upper end and unbind, lifting exhibition film framework will be opened up and exited in the corresponding hole from fixed angle steel of the ratchet on film framework, be opened up film framework and is placed on the next job position of underground dead slot side；
. operation fixed mount is moved on the underground dead slot notch of job position, operation fixed mount across and be fixed on the dead slot notch of underground, the fixed press strip is fixed on operation fixed mount；
. underground dead slot bottom weight part position is blocked with encapsulant, the laying backfill HDPE geomembranes both sides earthwork, the above-mentioned work of repetition completes the laying work of whole cut-pff wall.
It is using the beneficial effect after above-mentioned technical proposal：A kind of HDPE geomembranes vertically descend laying method, by the technical program, continuous underground HDPE geomembranes flexible vertical cut-pff wall can be built into, the diffusion mobility polluted in control polluted soil or subsoil water, and then pollutant are taken with suitable comprehensive processing method, it is gradually lowered, removes pollutant, recover soil and water body, prevents the polluter not yet revealed to reveal diffusion；Also have simultaneously, 1 mechanical hoisting, apparatus and process is ripe, safe operation, be adapted to varying environment, different pollutant, different pollution depth demands.Can flexibly control vertically to lay depth and speed；2 employ exhibition film framework, realize freely combining and separating with counterweight and HDPE geomembranes, while the length and width of framework can be adjusted according to requirement of engineering, raising efficiency of construction lay speed using HDPE under the auxiliary for focusing on lifting machine certainly, is controlled.Degree flexible for installation is high；3 employ counterweight, realize and the fixation of HDPE geomembranes and finally stablize that HDPE geomembranes are non-rising, using with open up film framework freely combine and separate the purpose that reaches vertical decentralization；4 HDPE geomembranes are accurately positioned installation, and HDPE connecting elements point-to-point connections ensure the continued integrity of body of wall；5 the technical program are simple to operate, energy-saving, do not produce secondary pollution, safety and environmental protection.
Description of the drawings
Fig. 1 is the working state figure that HDPE geomembranes of the present invention vertically descend laying method.
Fig. 2 is counterweight in the present invention and exhibition film frame facet sectional view.
Fig. 3 is using the operation schematic top plan view successively of many exhibition film frameworks in invention.
Fig. 4 is the operating diagram of operation fixed mount in invention.
In figure, press strip, 4 HDPE geomembranes, 5 ratchets, 6 fixed flat steels, 7 fixation angle steel, 9 holes, 10 underground dead slots, 11 bolts, 12 operation fixed mounts are fixed in 1 crane, 2 exhibition film frameworks, 3.
Specific embodiment
Specific embodiment in the present invention is described in further detail below in conjunction with accompanying drawing.
HDPE geomembranes according to the present invention vertically descend laying method, carry out laying in HDPE geomembranes using following equipment, including crane 1, exhibition film framework 2, fixed press strip 3 and counterweight, the exhibition film framework 2 is rectangle, depth of the height of exhibition film framework 2 more than underground dead slot 10, the width of exhibition film framework 2 is equal to or less than the width of HDPE geomembranes 4, exhibition film framework 2 is provided with several ratchets 5 on the bottom surface of lower end, the counterweight is made up of fixed flat steel 6 and fixed angle steel 7, the fixed angle steel 7 is constituted from vertical and to the hook that retreads, the bottom of fixed angle steel 7 is into pointed, it is provided with several holes 9 corresponding with the position of ratchet 5 in valley backward, fixed press strip 3, fixed flat steel 6 and fixed angle steel 7 are respectively with exhibition film framework 2 with wide.
Carry out laying in HDPE geomembranes using following equipment, the equipment includes operation fixed mount.
HDPE geomembranes according to the present invention vertically descend laying method, are laid according to the following steps, the step：
. crane 1 is moved to into the job position of the side of underground dead slot 10；
. by every section of working length of HDPE geomembranes, by the depth of implements of place work surface underground dead slot cutting is carried out；
. by stepThe front end of middle HDPE geomembranes 4 is fixed on before the vertical of fixed angle steel 7 by the fixed flat steel 6 and bolt 11 of counterweight, the rear end of HDPE geomembranes 4 is fixed on fixed press strip 3 by bolt 11, ratchet 5 on the lower end bottom surface of exhibition film framework 2 is inserted in hole 9 corresponding on fixed angle steel 7, after HDPE geomembranes 4 and fixed press strip 7 are tensed, fixed press strip 7 is tied up and is mounted on the upper end of exhibition film framework 2；
. crane 1 is lifted by crane slings the upper end of exhibition film framework 2, is placed in underground dead slot 10 together with the drive counterweight of HDPE geomembranes 4 connected together with exhibition film framework 2, and the fixed flat steel 6 of counterweight is placed on the bottom of underground dead slot 10 with fixed angle bar 7；
. will tie up and be mounted in the fixed press strip 3 of the upper end of exhibition film framework 2 and unbind, lifting exhibition film framework 2 will be opened up and exited in the corresponding hole 9 from fixed angle steel 7 of the ratchet 5 on film framework 2, be opened up film framework 2 and is placed on the next job position of the side of underground dead slot 10；
. operation fixed mount 12 is moved on the notch of underground dead slot 10 of job position, operation fixed mount 12 across and be fixed on the notch of underground dead slot 10, the fixed press strip 3 is fixed on operation fixed mount；
. underground dead slot bottom weight part position is blocked with encapsulant, the laying backfill HDPE geomembranes both sides earthwork, the above-mentioned work of repetition completes the laying work of whole cut-pff wall.
The both sides of HDPE geomembranes 4 are respectively arranged with connecting elements in the present invention, exhibition film framework 2 is slightly wide, to facilitate the connecting elements in being constructed on two adjacent HDPE geomembranes 4 to be connected, reach the effect of HDPE geomembranes continuous sealing isolation, the connecting elements technology is prior art, and in this not go into detail.
Technical scheme is operationally, can be according to practical situation, synchronization job successively is carried out using two or more than two exhibition film framework 2, using synchronization job mode successively, can effectively prevent when filling to HDPE geomembranes 4, that what is caused because there is landslide cannot continue laying, while the work efficiency of laying can also be greatly improved, work continuously to build the old wall of continuous underground HDPE geomembranes flexible vertical antiseepage.
The above, preferable possible embodiments only of the invention are not limited to protection scope of the present invention.
Claims (3)
1. a kind of HDPE geomembranes vertically descend laying method, it is characterized in that, carry out laying HDPE geomembranes using following equipment, the equipment includes crane, exhibition film framework, fixed press strip and counterweight, the exhibition film framework is rectangle, depth of the height of exhibition film framework more than underground dead slot, the width of exhibition film framework is equal to or less than the width of HDPE geomembranes, exhibition is provided with several ratchets on the bottom surface of film framework lower end, the counterweight is made up of fixed flat steel and fixed angle steel, the fixed angle steel is constituted from vertical and to the hook that retreads, the bottom of fixed angle steel is into pointed, it is provided with several holes corresponding with ratchet position in valley backward, fixed press strip, fixed flat steel and fixed angle steel are respectively with exhibition film framework with wide.
2. HDPE geomembranes according to claim 1 vertically descend laying method, it is characterised in that carry out laying HDPE geomembranes using following equipment, the equipment includes operation fixed mount.
3. the HDPE geomembranes according to claim 1 and 2 vertically descend laying method, it is characterised in that laid according to the following steps, the step：
. crane is moved to into the job position of underground dead slot side；
. by every section of working length of HDPE geomembranes, by the depth of implements of place work surface underground dead slot cutting is carried out；
. by stepThe front end of middle HDPE geomembranes passes through the fixed flat steel of counterweight and is bolted to before fixed angle steel vertical, the rear end of HDPE geomembranes is bolted on fixed press strip, ratchet on exhibition film framework lower end bottom surface is inserted in hole corresponding on fixed angle steel, after HDPE geomembranes and fixed press strip are tensed, fixed press strip is tied up and is mounted on the upper end of exhibition film framework；
. exhibition film framework upper end is sling in crane lifting, is placed in the dead slot of underground together with the HDPE geomembranes drive counterweight connected together with exhibition film framework, and the fixed flat steel of counterweight is placed on the bottom of underground dead slot with fixed angle bar；
. will tie up and be mounted in the fixed press strip of exhibition film framework upper end and unbind, lifting exhibition film framework will be opened up and exited in the corresponding hole from fixed angle steel of the ratchet on film framework, be opened up film framework and is placed on the next job position of underground dead slot side；
. operation fixed mount is moved on the underground dead slot notch of job position, operation fixed mount across and be fixed on the dead slot notch of underground, the fixed press strip is fixed on operation fixed mount；
. underground dead slot bottom weight part position is blocked with encapsulant, the laying backfill HDPE geomembranes both sides earthwork, the above-mentioned work of repetition completes the laying work of whole cut-pff wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510763954.2A CN106677199B (en) | 2015-11-11 | 2015-11-11 | HDPE geomembrane vertically descends laying method |
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| CN201510763954.2A CN106677199B (en) | 2015-11-11 | 2015-11-11 | HDPE geomembrane vertically descends laying method |
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| CN106677199A true CN106677199A (en) | 2017-05-17 |
| CN106677199B CN106677199B (en) | 2019-03-19 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761698A (en) * | 2017-10-24 | 2018-03-06 | 北京高能时代环境技术股份有限公司 | Geomembrane installation aiding device and distribution method |
| CN109826237A (en) * | 2019-02-11 | 2019-05-31 | 中国水电基础局有限公司 | A kind of tooling and method using HDPE film piece construction composite anti-penetrating diaphram wall |
| CN111424728A (en) * | 2020-04-28 | 2020-07-17 | 中煤科工集团西安研究院有限公司 | Vertical overlapping laying and sealing device and method for impermeable film of waterproof curtain |
| CN111794242A (en) * | 2020-08-13 | 2020-10-20 | 广州创易岩土工程有限公司 | Underground impermeable membrane verticality control method |
| WO2021017326A1 (en) * | 2019-07-26 | 2021-02-04 | 北京高能时代环境技术股份有限公司 | Flexible film vertical laying device |
| CN112554166A (en) * | 2020-12-03 | 2021-03-26 | 天津大学 | Deep-layer stirring composite wall based on HDPE (high-density polyethylene) membrane and construction method |
| CN114016553A (en) * | 2021-12-15 | 2022-02-08 | 同济大学 | Soft soil burying device and method for geomembrane |
| CN117166508A (en) * | 2023-11-01 | 2023-12-05 | 江苏省环境科学研究院 | Geomembrane vertical falling film machine and vertical falling film method thereof |
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| US5320454A (en) * | 1993-04-29 | 1994-06-14 | Slt Environmental, Inc. | Method and apparatus for installing a flexible panel into a trench |
| JP2001214453A (en) * | 2000-01-31 | 2001-08-07 | Public Works Research Institute Ministry Of Land Infrastructure & Transport | Method of enclosing underground contaminant by cutoff wall |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761698A (en) * | 2017-10-24 | 2018-03-06 | 北京高能时代环境技术股份有限公司 | Geomembrane installation aiding device and distribution method |
| CN109826237A (en) * | 2019-02-11 | 2019-05-31 | 中国水电基础局有限公司 | A kind of tooling and method using HDPE film piece construction composite anti-penetrating diaphram wall |
| CN109826237B (en) * | 2019-02-11 | 2024-05-10 | 中国水电基础局有限公司 | Tool and method for constructing composite impermeable underground diaphragm wall by using HDPE (high-density polyethylene) diaphragm |
| WO2021017326A1 (en) * | 2019-07-26 | 2021-02-04 | 北京高能时代环境技术股份有限公司 | Flexible film vertical laying device |
| JP2022541985A (en) * | 2019-07-26 | 2022-09-29 | ベイジン ジオエンバイロン エンジニアリング アンド テクノロジー，エルエヌシー | Machine for vertical paving of flexible films |
| JP7217857B2 (en) | 2019-07-26 | 2023-02-06 | ベイジン ジオエンバイロン エンジニアリング アンド テクノロジー，インコーポレイテッド | Machine for vertical paving of flexible films |
| CN111424728A (en) * | 2020-04-28 | 2020-07-17 | 中煤科工集团西安研究院有限公司 | Vertical overlapping laying and sealing device and method for impermeable film of waterproof curtain |
| CN111794242A (en) * | 2020-08-13 | 2020-10-20 | 广州创易岩土工程有限公司 | Underground impermeable membrane verticality control method |
| CN112554166A (en) * | 2020-12-03 | 2021-03-26 | 天津大学 | Deep-layer stirring composite wall based on HDPE (high-density polyethylene) membrane and construction method |
| CN114016553A (en) * | 2021-12-15 | 2022-02-08 | 同济大学 | Soft soil burying device and method for geomembrane |
| CN117166508A (en) * | 2023-11-01 | 2023-12-05 | 江苏省环境科学研究院 | Geomembrane vertical falling film machine and vertical falling film method thereof |
| CN117166508B (en) * | 2023-11-01 | 2024-01-05 | 江苏省环境科学研究院 | Geomembrane vertical falling film machine and vertical falling film method thereof |
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