CN210216467U - Seepage-proofing structure without anchoring groove and anchoring platform - Google Patents

Seepage-proofing structure without anchoring groove and anchoring platform Download PDF

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Publication number
CN210216467U
CN210216467U CN201920795606.7U CN201920795606U CN210216467U CN 210216467 U CN210216467 U CN 210216467U CN 201920795606 U CN201920795606 U CN 201920795606U CN 210216467 U CN210216467 U CN 210216467U
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anchor
anchoring
geomembrane
reinforcing steel
anchor rod
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CN201920795606.7U
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Inventor
Wenhua Zhai
翟文华
Changqing Qi
齐长青
Shengli Zhen
甄胜利
Zhonghua Zheng
郑中华
Bin Luo
罗彬�
Shiwen Ding
丁仕文
Zhi Guo
郭智
Yimin Ge
盖益民
Xiang Zhu
朱祥
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Beijing Geoenviron Engineering and Technology Inc
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Beijing Geoenviron Engineering and Technology Inc
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Abstract

The utility model discloses a seepage prevention structure of no anchor ditch and anchor platform, include: anchor bar steel bar, grouting pipe, spray anchor steel bar net, waist beam, geomembrane anchor connector and geomembrane; the anchor rod reinforcing steel bars are of an L-shaped structure, long edges of the anchor rod reinforcing steel bars are driven into holes in a side slope with a first surface layer concrete protection slope, the grouting pipes extend into the holes and are filled with anchoring mortar, an anchor spraying reinforcing steel bar net covers the side slope, and short edges of the anchor rod reinforcing steel bars are clamped and embedded in the side slope; the waist rail is welded with the adjacent anchor rod reinforcing steel bars, the geomembrane anchoring connecting piece is fixed outside the anchor rod reinforcing steel bars and the waist rail, and the geomembrane is fixed on the geomembrane anchoring connecting piece. Through the technical scheme of the utility model for the seepage prevention structure of heavy metal tailing side slope does not need anchor ditch and anchor platform, and intensity of labour is little, degree of mechanization is high, construction period is short, and the anchor power that provides is big, has effectively solved seepage prevention structure and its stability requirement under the high slope condition.

Description

Seepage-proofing structure without anchoring groove and anchoring platform
Technical Field
The utility model relates to an anti-seepage structure technical field especially relates to a no seepage prevention structure of anchor ditch and anchor platform.
Background
At present, with the enhancement of social environmental awareness, the bottom and the side slope of a newly-built stockpiled heavy metal tailing pond are required to be hardened and impermeable, but part of tailing pond sites are quite limited, the slope is steep, the stability analysis of the side slope and the adjustment of an impermeable structure are required according to the field condition, and the stability of the side slope is ensured.
SUMMERY OF THE UTILITY MODEL
At least one to the above-mentioned problem, the utility model provides a seepage prevention structure of no anchor ditch and anchor platform will spout anchor reinforcing bar net anchor through the stock reinforcing bar on spraying and condensing the side slope that has surface course concrete bank protection, and then set up waist rail and geomembrane for the seepage prevention structure of heavy metal tailing side slope does not need anchor ditch and anchor platform, and intensity of labour is little, degree of mechanization is high, construction period is short, the anchor power that provides is big, effectively solve seepage prevention structure and its stability requirement under the high side slope condition.
In order to achieve the above object, the utility model provides a seepage prevention structure of no anchor ditch and anchor platform, include: anchor bar steel bar, grouting pipe, spray anchor steel bar net, waist beam, geomembrane anchor connector and geomembrane; the anchor rod reinforcing steel bar is of an L-shaped structure, the long edge of the anchor rod reinforcing steel bar is driven into a hole in a side slope with a first surface layer concrete protection slope, the grouting pipe extends into the hole and is filled with anchoring mortar, the side slope is covered with the anchor spraying reinforcing steel bar net, and the short edge of the anchor rod reinforcing steel bar is clamped and embedded on the side slope; the waist rail is adjacent the stock reinforcing bar welds mutually, geomembrane anchor connecting piece is fixed in the stock reinforcing bar with outside the waist rail, the geomembrane is fixed in on the geomembrane anchor connecting piece.
In the above technical scheme, preferably, the one end of beating into in the hole on the stock reinforcing bar is provided with the anchor head, the anchor head is conical structure.
In the above technical scheme, preferably, the anchor rod reinforcing steel bars are distributed with positioning brackets, and the setting interval of the positioning brackets is 2-3 meters.
In the above technical solution, preferably, a geomembrane protection pad is disposed between the geomembrane anchoring connector and the anchor bar.
In the above technical scheme, preferably, after the geomembrane anchoring connecting piece is fixed, the slope is sprayed and condensed with a second facing concrete slope protection, the surface layer of the second facing concrete slope protection is flush with the geomembrane anchoring connecting piece, and the geomembrane is welded with the geomembrane anchoring connecting piece.
In the above technical solution, preferably, the wale and the spray anchor reinforcing mesh are provided with reinforcing ribs.
In the above technical scheme, preferably, the anchor rod reinforcing bar set up the interval and be 3 meters, the long limit of anchor rod reinforcing bar is single or many and links to each other, many adopt the adapter sleeve to be connected between the anchor rod reinforcing bar.
Compared with the prior art, the beneficial effects of the utility model are that: the spray anchor reinforcing mesh is anchored on the side slope sprayed and condensed with the surface layer concrete slope protection through the anchor rod reinforcing steel bar, and then the waist beam and the geomembrane are arranged, so that the anti-seepage structure of the heavy metal tailing side slope does not need an anchoring ditch and an anchoring platform, the labor intensity is low, the mechanization degree is high, the construction period is short, the provided anchoring force is large, and the anti-seepage structure and the stability requirement of the anti-seepage structure under the condition of a high side slope are effectively met.
Drawings
Fig. 1 is a schematic structural view of an anti-seepage structure without an anchoring groove and an anchoring platform according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of the embodiment shown in FIG. 1;
fig. 3 is a slope elevation view of an anti-seepage structure without an anchoring groove and an anchoring platform according to an embodiment of the present invention;
fig. 4 is a side slope cross-sectional view of the anti-seepage structure without the anchoring grooves and the anchoring platforms according to an embodiment of the present invention.
In the drawings, the correspondence between each component and the reference numeral is:
1. the concrete anchor comprises an anchor head, 2 anchor rod reinforcing steel bars, 3 connecting sleeves, 4 positioning supports, 5 waist beams, 6 first surface layer concrete protection slopes, 7 anchoring mortar, 8 geomembrane anchoring connecting pieces, 9 geomembrane protection pads, 10 geomembranes, 11 spraying anchoring reinforcing steel bar nets, 12 grouting pipes and 13 reinforcing ribs.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1 to 4, according to the present invention, an anti-seepage structure without an anchoring groove and an anchoring platform comprises: anchor rod reinforcing steel bars 2, grouting pipes 12, a spray anchor reinforcing mesh 11, waist beams 5, geomembrane anchoring connectors 8 and geomembranes 10; the anchor rod reinforcing steel bars 2 are of an L-shaped structure, long edges of the anchor rod reinforcing steel bars 2 are driven into holes in the side slope with the first surface layer concrete protection slope 6, the grouting pipes 12 extend into the holes and are filled with anchoring mortar 7, the side slope is covered with the anchor spraying reinforcing steel bar net 11, and short edges of the anchor rod reinforcing steel bars 2 are clamped and embedded on the side slope; waist rail 5 welds mutually with adjacent stock reinforcing bar 2, and outside geomembrane anchor connecting piece 8 was fixed in stock reinforcing bar 2 and waist rail 5, geomembrane 10 was fixed in geomembrane anchor connecting piece 8.
In the above embodiment, preferably, the anchor head 1 is arranged at one end of the anchor bar 2 driven into the hole, and the anchor head 1 has a conical structure.
In the above embodiment, preferably, the anchor rod reinforcing steel bars 2 are distributed with the positioning brackets 4, and the setting interval of the positioning brackets 4 is 2-3 meters.
In the above embodiment, it is preferable that a geomembrane protection pad 9 is disposed between the geomembrane anchoring connector 8 and the anchor bar 2.
In the above embodiment, preferably, after the geomembrane anchoring connector 8 is fixed, a second facing concrete slope is sprayed and condensed on the slope, the surface layer of the second facing concrete slope is flush with the geomembrane anchoring connector 8, and the geomembrane 10 is welded to the geomembrane anchoring connector 8.
In the above embodiment, it is preferable that the wale 5 and the jet-anchored reinforcing mesh 11 are provided with the reinforcing ribs 13.
In the above-mentioned embodiment, preferably, the interval that sets up of stock reinforcing bar 2 is 3 meters, and stock reinforcing bar 2 long limit is single or many and links to each other, adopts adapter sleeve 3 to be connected between many stock reinforcing bar 2.
According to the seepage-proofing structure without the anchoring ditch and the anchoring platform provided by the embodiment, a side slope system is reinforced through the anchor rod reinforcing steel bars 2 and the spraying protection, the waist beam 5 is arranged, the geomembrane anchoring connecting piece 8 is reserved on the waist beam 5, the geomembrane 10 is anchored through the geomembrane anchoring connecting piece 8, the anchoring ditch and the anchoring platform are not needed in construction, the labor intensity is low, the mechanization degree is high, the construction period is short, the provided anchoring force is large, and the seepage-proofing structure under the condition of a high side slope is effectively solved.
The construction process flow is as follows: trimming a side slope, spraying a first surface layer concrete protection slope 6, embedding an anchor rod reinforcing steel bar 2, injecting anchor mortar 7, hanging and arranging a spray anchor reinforcing steel bar mesh 11, welding skeleton reinforcing steel bars, arranging a geomembrane anchor connecting piece 8 and a geomembrane protection pad 9, welding a waist beam 5 and reinforcing steel bars 13, spraying a second surface layer concrete protection slope, and welding a geomembrane 10.
Specifically, according to the situation of the seepage-proofing structure engineering, the side slope is cut and cleared by a small machine or a shovel so as to ensure that the side slope is smooth and meets the slope of the design regulation. And embedding a control mark for spraying the thickness of the concrete on the finished slope wall. The first surface layer concrete slope protection 6 is sprayed, when in spraying, the vertical distance between the spray head and the sprayed surface is preferably 0.6-1.0m, and the spraying thickness is not less than 40 mm. And after the sprayed concrete is finally set for 2 hours, spraying water for curing, wherein the curing time is determined according to the air temperature, and is preferably 3-7 days. And after the first surface layer concrete slope protection 6 is finally set, the anchor rod reinforcing steel bar 2 is set. 2 stock length 3.0m of stock reinforcing bar, the row spacing is 3m between, and the rectangle is arranged. And (4) determining holes of anchor rod reinforcing steel bars 2 according to requirements, and marking and numbering. The anchor rod reinforcing steel bar 2 is firstly degreased and derusted, if the design requirement exists, an annular plastic protective layer can be additionally arranged on the anchor rod reinforcing steel bar 2 or a plurality of layers of anticorrosive coatings can be coated on the anchor rod reinforcing steel bar, an operation platform is manufactured according to the designed inclination of the driving of the anchor rod reinforcing steel bar 2, and the operation platform is arranged close to the wall surface of the anchor rod reinforcing steel bar 2. And (5) drilling by the spiral drilling machine perpendicular to the operating platform, and withdrawing the drill rod from the hole after hole forming. And (3) cleaning residual and disturbed waste soil in the hole by using compressed air, putting the anchor rod reinforcing steel bar 2 into the hole, and welding a positioning bracket 4 on the anchor rod reinforcing steel bar 2 at intervals of 2-3 m. And arranging a grout stop plug and an exhaust pipe at the hole opening, and screwing the grout stop plug to enable the grout stop plug to be tightly attached to the hole wall. The grouting pipe 12 is inserted into the grouting opening through the stop plug and extends to the position of 250-500mm of the bottom of the hole, the grouting pipe 12 is connected with a grouting pump, and the pipe is pulled out towards the direction of the hole opening while grouting is carried out until the grouting opening is full or the exhaust pipe stops exhausting. And (3) loosening the grout stop plug, pulling out the grouting pipe 12, the exhaust pipe and the grout stop plug, filling the orifice with cohesive soil or cement paste, and making corresponding construction records in the construction process.
And laying and binding the spray anchor reinforcing mesh 11, wherein the spray anchor reinforcing mesh 11 adopts phi 6@300 type reinforcing steel bars, short sections of reinforcing steel bars are welded on two sides of the end part of each anchor rod reinforcing steel bar 2 along the length direction of the anchor rod reinforcing steel bar 2, and through long reinforcing steel bars 13 connected with the end parts of the adjacent anchor rod reinforcing steel bars 2 in a surface layer are mutually welded. The geomembrane anchoring connecting piece 8 and the geomembrane protecting pad 9 are arranged, the connecting piece of the geomembrane 10 is firm, and the provided anchoring force meets the strength requirement of the geomembrane 10. Welding waist rail 5, waist rail 5 welds with the afterbody of stock reinforcing bar 2, and waist rail 5 and stock reinforcing bar 2 are connected and need firm, spray second surface course concrete bank protection. In the spraying process, the connected interface of the geomembrane anchoring connecting piece 8 and the geomembrane 10 is avoided as much as possible, and after the second surface layer concrete slope protection reaches 70% of the design strength, the lower layer side slope earthwork is excavated and anchor rod reinforcing steel bar 2 construction is carried out. And chiseling the geomembrane anchoring connecting piece 8, and welding the geomembrane 10 and the geomembrane anchoring connecting piece 8, wherein the welding needs to be firm.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. An impermeable structure without an anchoring ditch and anchoring platforms, characterized by comprising: anchor bar steel bar, grouting pipe, spray anchor steel bar net, waist beam, geomembrane anchor connector and geomembrane;
the anchor rod reinforcing steel bar is of an L-shaped structure, the long edge of the anchor rod reinforcing steel bar is driven into a hole in a side slope with a first surface layer concrete protection slope, the grouting pipe extends into the hole and is filled with anchoring mortar, the side slope is covered with the anchor spraying reinforcing steel bar net, and the short edge of the anchor rod reinforcing steel bar is clamped and embedded on the side slope;
the waist rail is adjacent the stock reinforcing bar welds mutually, geomembrane anchor connecting piece is fixed in the stock reinforcing bar with outside the waist rail, the geomembrane is fixed in on the geomembrane anchor connecting piece.
2. The seepage prevention structure without an anchoring ditch and an anchoring platform as claimed in claim 1, wherein an anchor head is arranged at one end of the anchor rod reinforcing steel bar which is driven into the hole, and the anchor head is of a conical structure.
3. The seepage-proofing structure without an anchoring ditch and an anchoring platform as claimed in claim 1, wherein the anchor rod reinforcing steel bars are distributed with positioning brackets, and the positioning brackets are arranged at intervals of 2-3 m.
4. The seepage prevention structure without an anchoring ditch and an anchoring platform of claim 1, wherein a geomembrane protection pad is arranged between the geomembrane anchoring connection member and the anchor bar.
5. The seepage-proofing structure without an anchoring ditch and an anchoring platform as claimed in claim 1, wherein after the geomembrane anchoring connecting piece is fixed, a second surface layer concrete slope is sprayed and condensed on the slope, the surface layer of the second surface layer concrete slope is flush with the geomembrane anchoring connecting piece, and the geomembrane is welded with the geomembrane anchoring connecting piece.
6. The impermeable structure without an anchoring ditch and an anchoring platform of claim 1, wherein the wale and the shotcrete reinforcing mesh are provided with reinforcing ribs.
7. The seepage-proofing structure without the anchoring ditch and the anchoring platform as claimed in claim 1, wherein the arrangement interval of the anchor rod reinforcing steel bars is 3m, the long edges of the anchor rod reinforcing steel bars are connected by one or more connecting sleeves, and the anchor rod reinforcing steel bars are connected by the connecting sleeves.
CN201920795606.7U 2019-05-29 2019-05-29 Seepage-proofing structure without anchoring groove and anchoring platform Active CN210216467U (en)

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CN201920795606.7U CN210216467U (en) 2019-05-29 2019-05-29 Seepage-proofing structure without anchoring groove and anchoring platform

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Application Number Priority Date Filing Date Title
CN201920795606.7U CN210216467U (en) 2019-05-29 2019-05-29 Seepage-proofing structure without anchoring groove and anchoring platform

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110080255A (en) * 2019-05-29 2019-08-02 北京高能时代环境技术股份有限公司 Leakage preventing structure without anchoring groove and anchored platform
CN116411581A (en) * 2023-06-09 2023-07-11 北京高能时代环境技术股份有限公司 Composite seepage-proofing structure suitable for industrial solid waste landfill

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110080255A (en) * 2019-05-29 2019-08-02 北京高能时代环境技术股份有限公司 Leakage preventing structure without anchoring groove and anchored platform
CN116411581A (en) * 2023-06-09 2023-07-11 北京高能时代环境技术股份有限公司 Composite seepage-proofing structure suitable for industrial solid waste landfill

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