CN211735464U - HDPE membrane vertical barrier wall bottom connecting device - Google Patents
HDPE membrane vertical barrier wall bottom connecting device Download PDFInfo
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- CN211735464U CN211735464U CN201921823358.9U CN201921823358U CN211735464U CN 211735464 U CN211735464 U CN 211735464U CN 201921823358 U CN201921823358 U CN 201921823358U CN 211735464 U CN211735464 U CN 211735464U
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Abstract
The utility model discloses a HDPE film vertical barrier wall bottom connecting device, which comprises a wedge-shaped steel head, and is characterized in that the lower end of the wedge-shaped steel head is sharp and is in a knife-edge shape, so as to be convenient for being driven into a water-proof bottom plate; the two sides of the upper end of the wedge-shaped steel head are provided with grooves, and the middle of the wedge-shaped steel head is provided with an HDPE film fixing device for mounting an HDPE film. The utility model discloses a fix the HDPE membrane to wedge steel head, open steel head upper end both sides has the recess to place and shakes and hit the component, the flexible perpendicular baffler construction of HDPE membrane of being convenient for, and the HDPE membrane shakes perpendicularly along with wedge steel head and hits the insertion, and the steel head plays the guard action, prevents that the HDPE membrane from laying the damage of in-process, and connecting device inserts the water proof bottom plate, and sealed degree is high, prevention of seepage is effectual.
Description
Technical Field
The utility model relates to a place pollutes and hinders accuse field, discloses a HDPE membrane vertically hinders partition wall bottom connecting device.
Background
The pollutant blocking technology is more and more widely applied to the risk control of the polluted site as an effective measure of the risk control in recent years. The vertical blocking technology is mainly used for blocking and storing pollutants or changing the flow direction of underground water by using underground blocking so as to achieve the purpose of controlling the horizontal migration of the pollutants. The barrier wall needs to have better continuity and durability, the wall material has higher stability and corrosion resistance, and the effect of pollutants cannot cause the weakening or failure of the barrier function. The traditional vertical impervious wall has large engineering quantity, long construction period and poor seepage-proofing effect, and the HDPE film vertical seepage-proofing barrier wall has good seepage-proofing effect and strong corrosion resistance and becomes the development direction of vertical seepage-proofing technology. However, the connection between the HDPE film and the bottom water-proof layer is always a difficulty in construction, and is also a key point of the whole HDPE film vertical barrier wall system, and if the HDPE film cannot be connected with the bottom water-proof bottom plate in a sealing manner, pollution plume will permeate the barrier system from the bottom. Therefore, there is a need to provide a HDPE film vertical barrier bottom attachment to ensure that the barrier system is leak free.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art's defect, provide a HDPE membrane vertically hinders partition wall bottom connecting device.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve: the connecting device comprises a wedge-shaped steel head, and is characterized in that the lower end of the wedge-shaped steel head is sharp and is in a knife edge shape so as to be conveniently driven into a waterproof bottom plate; the two sides of the upper end of the wedge-shaped steel head are provided with grooves, and the middle of the wedge-shaped steel head is provided with an HDPE film fixing device for mounting an HDPE film.
Further, HDPE membrane fixing device middle part is equipped with the ascending gap of opening, and HDPE membrane bottom is embedded in the gap, still be equipped with on the HDPE membrane fixing device with the horizontal trompil that the gap cooperation set up to it is fixed mutually with HDPE membrane fixing device to utilize the bolt.
Further, the width of the gap is 10-30 mm.
And furthermore, vibration striking components are placed in grooves on two sides of the upper end of the wedge-shaped steel head, and the wedge-shaped steel head is driven into the waterproof bottom plate through steel pipes or steel plate vibration striking.
Further, wedge steel head embedding water proof bottom plate, cement is pour to HDPE membrane both sides and is formed the perpendicular barricade of HDPE membrane, and in the recess of the perpendicular barricade of HDPE membrane's bottom embedding wedge steel head upper end both sides, realize the perpendicular barricade bottom sealing connection of HDPE membrane.
Preferably, the transverse opening distance of the HDPE film fixing device is inversely proportional to the arrangement depth of the HDPE film.
Compared with the prior art, the utility model have following advantage:
(1) the utility model discloses a perpendicular separation wall bottom connecting device that hinders of HDPE membrane fixes the HDPE membrane to wedge steel head, and open flutedly in steel head upper end both sides and place the jarring component, the flexible perpendicular separation wall construction of HDPE membrane of being convenient for.
(2) The utility model discloses a perpendicular baffle wall bottom connecting device that hinders of HDPE membrane, HDPE membrane insert along with wedge steel head is jarred perpendicularly, and the steel head plays the guard action, prevents that the HDPE membrane is laying the damage of in-process.
(3) The utility model discloses a HDPE membrane vertical hinders partition wall bottom connecting device inserts the water proof bottom plate, and sealed degree is high, the prevention of seepage is effectual.
Drawings
Fig. 1 is a front view of the HDPE film vertical partition bottom connecting device of the present invention.
Fig. 2 is a side view of the utility model of a HDPE membrane vertical baffle wall bottom connecting device.
Figure 3 is the utility model discloses a HDPE membrane vertical hinders partition wall bottom connecting device wedge steel head cross-section profile sketch map.
Fig. 4 is a diagram of an embodiment of the HDPE film vertical baffle bottom connecting device of the present invention.
HDPE films; 2. a groove; 3. a wedge-shaped steel head; 4. connecting holes; 5. steel seams; 6. soil on the inner side of the contaminated site; 7. soil outside the contaminated site; 8. a waterproof bottom plate; 9. and (6) pouring cement.
Detailed Description
The invention will be described in further detail with reference to the drawings and specific examples of embodiments of the specification:
the utility model provides a HDPE film vertical barrier wall bottom connecting device, which comprises a wedge-shaped steel head 3 and an HDPE film 1; the lower end of the wedge-shaped steel head 3 is sharp and is in a knife edge shape, so that the wedge-shaped steel head can be conveniently driven into a waterproof bottom plate; grooves 2 are formed in two sides of the upper end of the wedge-shaped steel head 3 and used for placing a vibration striking component, and the wedge-shaped steel head is driven into the waterproof bottom plate; 3 upper end middle parts of wedge steel head are equipped with HDPE membrane fixing device, be equipped with the ascending gap of opening among the HDPE membrane fixing device for inlay HDPE membrane 1, gap both sides middle part transversely is equipped with trompil 4 and is used for wearing to establish the bolt, fixes HDPE membrane 1 and steel head.
Beat 3 with the HDPE membrane 1 with the wedge steel head through steel pipe or steel sheet and squeeze into contaminated site soil, until embedding water proof bottom plate 8 after, pour cement in HDPE membrane 1 both sides and 3 upper end recesses of wedge steel head, realize HDPE membrane vertical barrier wall bottom sealing connection.
In a specific embodiment, two sides of the upper end of the wedge-shaped steel head 3 are provided with grooves 2, the width of each groove is 60mm, the lower end of each groove is in a knife-edge shape, and the wedge-shaped steel head is 2.8m long and 0.3m high.
HDPE film 1 is inlayed in 3 upper ends middle parts of wedge steel head, and HDPE geomembrane that thickness is 5mm is selected to HDPE film 1.
The middle part of the wedge-shaped steel head 3 is transversely provided with holes 4, the distance between the holes is 1m, and the HDPE film 1 is connected through bolts. And (3) driving the steel head into the waterproof bottom plate through steel plate vibration, pouring cement into the groove 2 in the upper part of the steel head, and completing the sealing connection of the bottom of the HDPE film vertical barrier wall.
In conclusion, the HDPE film is fixed to the wedge-shaped steel head, the two sides of the upper end of the steel head are provided with the grooves for placing the vibration components, and the HDPE film flexible vertical separation wall is convenient to construct; the HDPE membrane is inserted along with the vertical vibration of the wedge-shaped steel head, the steel head plays a role in protection, the HDPE membrane is prevented from being damaged in the laying process, the connecting device is inserted into the waterproof bottom plate, the sealing degree is high, and the anti-seepage effect is good.
Claims (6)
1. The connecting device comprises a wedge-shaped steel head, and is characterized in that the lower end of the wedge-shaped steel head is sharp and is in a knife edge shape so as to be conveniently driven into a waterproof bottom plate; the two sides of the upper end of the wedge-shaped steel head are provided with grooves, and the middle of the wedge-shaped steel head is provided with an HDPE film fixing device for mounting an HDPE film.
2. The HDPE film vertical barrier bottom attachment of claim 1, wherein: HDPE membrane fixing device middle part is equipped with the ascending gap of opening, and HDPE membrane bottom is embedded into in the gap, HDPE membrane fixing device is last still be equipped with the horizontal trompil that the gap cooperation set up to it is fixed mutually with HDPE membrane fixing device to utilize the bolt.
3. The HDPE film vertical barrier bottom attachment device of claim 2, wherein: the width of the gap is 10-30 mm.
4. The HDPE film vertical barrier bottom attachment device of claim 2, wherein: the transverse hole-opening distance of the HDPE film fixing device is inversely proportional to the arrangement depth of the HDPE film.
5. The HDPE film vertical barrier bottom attachment of claim 1, wherein: and the grooves on two sides of the upper end of the wedge-shaped steel head are internally provided with a vibration component, and the wedge-shaped steel head is driven into the waterproof bottom plate by arranging steel pipes or steel plates to vibrate.
6. The HDPE film vertical barrier bottom attachment of claim 1, wherein: wedge steel head embedding water proof bottom plate, cement is pour to HDPE membrane both sides and forms the perpendicular barricade of HDPE membrane, and in the recess of the perpendicular barricade of HDPE membrane's bottom embedding wedge steel head upper end both sides, realize the perpendicular barricade bottom sealing connection of HDPE membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921823358.9U CN211735464U (en) | 2019-10-28 | 2019-10-28 | HDPE membrane vertical barrier wall bottom connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921823358.9U CN211735464U (en) | 2019-10-28 | 2019-10-28 | HDPE membrane vertical barrier wall bottom connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211735464U true CN211735464U (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921823358.9U Active CN211735464U (en) | 2019-10-28 | 2019-10-28 | HDPE membrane vertical barrier wall bottom connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211735464U (en) |
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2019
- 2019-10-28 CN CN201921823358.9U patent/CN211735464U/en active Active
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