CN108385681A - Glory-hole side slope covers green new method - Google Patents

Glory-hole side slope covers green new method Download PDF

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Publication number
CN108385681A
CN108385681A CN201810187361.XA CN201810187361A CN108385681A CN 108385681 A CN108385681 A CN 108385681A CN 201810187361 A CN201810187361 A CN 201810187361A CN 108385681 A CN108385681 A CN 108385681A
Authority
CN
China
Prior art keywords
slope
wire netting
short bolt
support short
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810187361.XA
Other languages
Chinese (zh)
Inventor
赵蒙生
李如忠
代永新
卢敬标
刁虎
张春
李林丹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sinosteel Maanshan Institute of Mining Research Co Ltd
Huawei National Engineering Research Center of High Efficient Cyclic and Utilization of Metallic Mineral Resources Co Ltd
Original Assignee
Sinosteel Maanshan Institute of Mining Research Co Ltd
Huawei National Engineering Research Center of High Efficient Cyclic and Utilization of Metallic Mineral Resources Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sinosteel Maanshan Institute of Mining Research Co Ltd, Huawei National Engineering Research Center of High Efficient Cyclic and Utilization of Metallic Mineral Resources Co Ltd filed Critical Sinosteel Maanshan Institute of Mining Research Co Ltd
Priority to CN201810187361.XA priority Critical patent/CN108385681A/en
Publication of CN108385681A publication Critical patent/CN108385681A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • E02D17/202Securing of slopes or inclines with flexible securing means
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G20/00Cultivation of turf, lawn or the like; Apparatus or methods therefor
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74Means for anchoring structural elements or bulkheads
    • E02D5/76Anchorings for bulkheads or sections thereof in as much as specially adapted therefor

Abstract

The invention discloses a kind of glory-hole side slopes to cover green new method, using following technique, step:Rockbolt installation hole (8) are bored by 35~50cm distances in open-pit slope face, support Short bolt (1) is rammed into rockbolt installation hole (8);Wire netting (5) is covered on open-pit slope face;Plank (4) is fixed on steel wire lashing on the two neighboring support Short bolt supporting section (3) of same level;It will be in earthing (6) injection to the open-pit slope face in wire netting (5);It is laid with fixed geotextiles (7) on the outer surface of wire netting (5), support Short bolt (1), plank (4), wire netting (5), earthing (6), geotextiles (7) and open-pit slope face is made to form a firm overall structure;6) the careless or/and other plant grown is conserved.The present invention solve the problems, such as large surface mine abrupt slope cover it is green it is difficult, of high cost, effect is poor, environmental benefit, safety benefit, visual effect are very notable.

Description

Glory-hole side slope covers green new method
Technical field
The invention belongs to ecological restoration of mine technical fields, and in particular to one kind is afforested in glory-hole side slope New method, green middle application can be covered in all kinds of side slopes, the greening of glory-hole abrupt slope slope surface is particularly suitable for, can effectively prevent Earthing is washed away by heavy rain, while slope surface covers the green weathering for effectivelying prevent slope surface rock mass, is that open-pit slope rock mass is long-term Stability provide the necessary technical condition.
Background technology
Slope greening is a kind of ecological revetment mode of emerging energy effective protection bare slope, can effectively realize slope surface Ecological vegetation restores and protection.Not only have the function of conserving water and soil, environment and landscape can also be improved.
As glory-hole exploits the continuous expansion of scale, the depth of glory-hole exploitation also increases sharply;With The promotion of production technique and control methods of projects, opencast mining list bank slope is up between 65 °~75 °, slopes separate unit Rank is steep and slope surface is smooth and the hard surface mine that has become covers green technical barrier.At the same time, the side slope step of opencut is sudden and violent Dew is also more and more, some excavating plants have formd recess stope or deep recessed stope.It is sudden and violent for a long time that surface mine does not cover greenstone body Leakage, in the case of especially being influenced by the external unfavorable factor such as acid rain, one side environmental issue is extremely difficult to Green Mine requirement, separately One side slope rock mass weathering may result in open-pit slope landslide, give mine personnel safety, national wealth and mineral resources Bring serious harm and loss.
Currently, it is always the severe problem that mine faces, abrupt slope that green technology is covered on the good opencut abrupt slope of economical rationality, effect Cover it is green face two hang-ups, first, slopes are steep, the soil body is difficult that certain thickness is bonded in slopes;Second is that slope surface is smooth and hard Firmly, the soil body is easy to fall off on surface by rain drop erosion.Slopes are covered green using lattice girder under normal conditions, and are constructed in slopes Long anchor pole is fixed, and using measures such as earthing vegetation between lattice, but cost is excessively high, especially for the surface mine of large area exposure It is inestimable to cover green cost for rock mass.Therefore abrupt slope cover green technology be current surface mine become environmentally protective mine a great problem.
In order to solve the problems, such as that high precipitous rock slope greening vegetation is difficult,《Highway》" the high precipitous rock that in April, 2017 delivers In a side slope vegetation Study on Greening Technology in Sloping Field " text, it is proposed that from infiltration planting trough, hang type, anchoring net beam and waste and old container etc. 4 Kind greening method, describes the construction technology and method of 4 kinds of slope greening technologies in detail.But studies have shown that 4 kinds of greening sides Method is all not suitable for carrying out Greenland Application on glory-hole high gradient slope.
Invention content
The purpose of the present invention be exactly in order to solve the problems, such as large surface mine abrupt slope cover it is green it is difficult, of high cost, effect is poor, and A kind of glory-hole side slope is provided and covers green new method, for the restoration of the ecosystem of surface mine abrupt slope, beauty and prevents Weathering Zones of Igneous Rock Effective precondition is provided.
Above-mentioned purpose to realize the present invention, glory-hole side slope of the present invention cover green new method using following technique, Step is realized:
1) 35~50cm distances are pressed from top to bottom or from bottom to top on open-pit slope face and bores rockbolt installation hole, and will branch Support Short bolt is rammed into rockbolt installation hole fixed;The spacing in the adjacent rockbolt installation hole of same level 30cm~50cm it Between;The support Short bolt is located at that section inside rockbolt installation hole and is referred to as to support Short bolt fixed section, supports Short bolt That section outside rockbolt installation hole is referred to as to support Short bolt supporting section, the two being integral property structure.
2) wire netting is covered according to the specification and thickness of earth covering of design on open-pit slope face, and uses holdfast Wire netting is fixed in open-pit slope body.Wire netting is covered in slope surface and forms protective effect to earthing and plank.
3) plank on open-pit slope face from top to bottom or from bottom to top, is fixed on same level with steel wire lashing On two neighboring support Short bolt supporting section.Plank is that the earthing in later stage forms certain stress supporting role.
4) after the earthing comprising clay, peat, binder, grass-seed or/and other vegetable seeds being stirred evenly, injection On open-pit slope face in wire netting.The jet thickness of earthing should cover wire netting, generally 7cm~12cm;With 8cm~ 10cm is preferred.
5) it is laid with fixed geotextiles on the outer surface of wire netting and carries out maintenance water conservation, makes support Short bolt, plank, iron wire Net, earthing, geotextiles and open-pit slope face form a firm overall structure;The geotextiles are covered on earthing surface Lid layer protecting film, playing prevents surface moisture from evaporating and protecting the measure of plant growth.
6) the careless or/and other plant grown is conserved.
The length of the support Short bolt fixed section is 15~25cm, and the length of the support Short bolt supporting section is 10~15cm.
The support Short bolt uses the spiral of Φ 10 or Φ 12, supports the level interval of Short bolt according to plank Length calculate determination;Generally between 30cm~40cm;The wire netting compiles wire netting using hot-galvanizing machine, and iron wire is straight Diameter is not less than 2.2mm;The length of the support Short bolt supporting section has more 3~7cm than the width of plank.
The support Short bolt is generally vertical with open-pit slope face, and the depth being located in rockbolt installation hole generally exists 20cm or so is drilled using handheld drill, and Short bolt is rammed into slopes and is fixed.
The net degree of the wire netting is 5cm × 5cm, and it is outdoor to use net degree to be fixed on wire netting for 5m × 5m holdfasts In mine side slope body.
The plank size is:Long 40cm~50cm, wide about 7cm~8cm, 0.8~1.2cm of thickness.Plank level is put It is placed between two neighboring support anchors, plank is placed in inside wire netting and is fixed with support anchors with iron wire and prevents from moving.
The geotextiles use specification for 13~18g/m2Geotextiles, with 14~16g/m2Geotextiles be preferred, advise Lattice feature is that geotextiles are thin, eyelet is big, can not only play the maintenance water retention to plant, and grass also can be long from hole intraocular Go out.It is laid on the outside of earthing, fixing card is used in combination to be bonded with earthing.Later stage can periodically sprinkle water maintenance.
Glory-hole side slope of the present invention covers green new method after the above technical solution is adopted, has the advantages that:
(1) it can effectively solve abrupt slope and cover the green of high cost, problems such as effect is poor, be asked with environmental protection for glory-hole restoration of the ecosystem Inscribe and prevent Weathering Zones of Igneous Rock from providing effective technical conditions.
(2) integrate environmental benefit, safety benefit, it is good to cover green effect, visual appearance.
Certainly, support Short bolt both can also can mainly be protected perpendicular to side slope surface with other angles in the present invention Card plank is fixed at supporting section with horizontal towards having a certain degree in slope, as long as having same or similar skill with the present invention Art is conceived, and protection scope of the present invention is belonged to.
Description of the drawings
Fig. 1 is the support Short bolt schematic diagram that the present invention uses;
Fig. 2 is the wire netting schematic diagram that the present invention uses;
Fig. 3 is that the glory-hole side slope of the present invention covers green new method arrangement and method for construction diagrammatic cross-section.
Reference numeral is:1- support Short bolts, 2- support Short bolt fixed sections, 3- support Short bolt supporting sections, 4- planks, 5- wire nettings, 6- earthing, 7- geotextiles;8- rockbolt installations hole.
Specific implementation mode
To further describe the present invention, glory-hole side slope of the present invention is covered with reference to the accompanying drawings and examples green new Method is described in further details.
The glory-hole side slope of the present invention as shown in Figure 3 is covered green new method arrangement and method for construction diagrammatic cross-section and is combined Fig. 1, Fig. 2 find out that the sequence of construction that glory-hole side slope of the present invention covers green new method is:Support Short bolt 1 → laying iron Fixed 7 → the maintenance of geotextiles of 5 → banding fixed of silk screen plank 4 → injection earthing 6 → laying.Specifically use following technique, step:
1) the support Short bolt 1 that first self-control length is 30cm~40cm, support Short bolt 1 use the screw thread of Φ 10 or Φ 12 Reinforcing bar;It presses 40cm distances from top to bottom or from bottom to top on open-pit slope face and bores rockbolt installation hole 8, rockbolt installation hole 8 Depth is 20cm, and the spacing in the adjacent rockbolt installation hole 8 of same level is between 30cm~50cm;Support Short bolt 1 is rammed Enter into rockbolt installation hole 8 fixed;Support Short bolt 1 is generally perpendicular to slope surface, is drilled using man-hour manually hand-held, but considers slope Face, which locally lies in out-of-flatness only, to be needed to ensure to support Short bolt 1 and horizontal direction at a certain angle to slopes direction.It is same The spacing in horizontal adjacent rockbolt installation hole 8 is calculated according to the length of plank 4, generally between 30cm~50cm;Institute The support Short bolt 1 stated is located at that section inside rockbolt installation hole 8 and is referred to as to support Short bolt fixed section 2, length to be also 20cm; Support Short bolt 1 is located at that section outside rockbolt installation hole 8 and is referred to as to support Short bolt supporting section 3.
2) wire netting 5 that net degree is 5cm × 5cm is covered in opencut side according to the specification and thickness of earth covering of design In slope surface, and wire netting 5 is fixed in open-pit slope body using holdfast;Wire netting 5 compiles wire netting, iron using hot-galvanizing machine Silk diameter is not less than 2.2mm.
3) plank 4 on open-pit slope face from top to bottom or from bottom to top, is fixed on same level with steel wire lashing Two neighboring support Short bolt supporting section 3 on;4 size of plank is:Long 40cm~50cm, wide about 7cm~8cm, thickness 0.8~ 1.2cm.The length of the support Short bolt supporting section 3 has more 4~6cm than the width of plank 4.
4) after the earthing 6 comprising clay, peat, binder, grass-seed or/and other vegetable seeds being stirred evenly, On injection to the open-pit slope face in wire netting 5;The jet thickness of earthing 6 should cover wire netting 5, generally 8cm~10cm.
5) fixed geotextiles 7 are laid on the outer surface of wire netting 5 and carry out maintenance water conservation, make support Short bolt 1, plank 4, Wire netting 5, earthing 6, geotextiles 7 and open-pit slope face form a firm overall structure.The geotextiles 7 are using rule Lattice are 15g/m2Geotextiles, specification feature is that geotextiles are thin, eyelet is big, can not only play the maintenance water conservation to plant and make With, and grass can also be grown from hole intraocular.It is laid on the outside of earthing, fixing card is used in combination to be bonded with earthing.Later stage can periodically sprinkle water Maintenance.
6) the careless or/and other plant grown is conserved.
Glory-hole side slope of the present invention cover green new method certain big recessed open iron mine side slope of moldeed depth cover it is green in answer With environmental benefit, safety benefit, visual effect are very notable.

Claims (6)

1. a kind of glory-hole side slope covers green new method, it is characterised in that using following technique, step:
1) 35~50cm distances are pressed from top to bottom or from bottom to top on open-pit slope face and bores rockbolt installation hole (8), and will branch Support Short bolt (1) is rammed into rockbolt installation hole (8) fixed;The spacing in the adjacent rockbolt installation hole (8) of same level exists Between 30cm~50cm;The support Short bolt (1) is located at that internal section of rockbolt installation hole (8) and is referred to as to support Short bolt Fixed section (2), support Short bolt (1) are located at that external section of rockbolt installation hole (8) and are referred to as to support Short bolt supporting section (3);
2) wire netting (5) is covered according to the specification and thickness of earth covering of design on open-pit slope face, and uses holdfast Wire netting (5) is fixed in open-pit slope body;
3) plank (4) on open-pit slope face from top to bottom or from bottom to top, is fixed on same level with steel wire lashing On two neighboring support Short bolt supporting section (3);
4) after the earthing (6) comprising clay, peat, binder, grass-seed or/and other vegetable seeds being stirred evenly, spray It is incident upon on the open-pit slope face in wire netting (5);The jet thickness of earthing (6) should cover wire netting (5);
5) it is laid with fixed geotextiles (7) on the outer surface of wire netting (5) and carries out maintenance water conservation, makes support Short bolt (1), plank (4), wire netting (5), earthing (6), geotextiles (7) and open-pit slope face form a firm overall structure;
6) the careless or/and other plant grown is conserved.
2. glory-hole side slope as described in claim 1 covers green new method, it is characterised in that:The support Short bolt The length of fixed section (2) is 15~25cm, and the length of the support Short bolt supporting section (3) is 10~15cm;Same level Adjacent rockbolt installation hole (8) spacing between 30cm~50cm;The jet thickness of earthing (6) is 7cm~12cm.
3. glory-hole side slope as claimed in claim 1 or 2 covers green new method, it is characterised in that:The support is short Anchor pole (1) uses the spiral of Φ 10 or Φ 12, the wire netting (5) to compile wire netting, iron wire diameter using hot-galvanizing machine Not less than 2.2mm;The length of the support Short bolt supporting section (3) has more 3~7cm than the width of plank (4).
4. glory-hole side slope as claimed in claim 3 covers green new method, it is characterised in that:The support Short bolt (1) vertical with open-pit slope face.
5. glory-hole side slope as claimed in claim 4 covers green new method, it is characterised in that:The wire netting (5) Net degree be 5cm × 5cm, and use net degree that wire netting (5) is fixed in open-pit slope body for 5m × 5m holdfasts.
6. glory-hole side slope as claimed in claim 5 covers green new method, it is characterised in that:Described plank (4) ruler It is very little to be:Long 40cm~50cm, wide about 7cm~8cm, 0.8~1.2cm of thickness.
CN201810187361.XA 2018-03-07 2018-03-07 Glory-hole side slope covers green new method Pending CN108385681A (en)

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Application Number Priority Date Filing Date Title
CN201810187361.XA CN108385681A (en) 2018-03-07 2018-03-07 Glory-hole side slope covers green new method

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109937805A (en) * 2018-09-30 2019-06-28 大连迪安缇科技有限公司 A kind of mine slope greening method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105484275A (en) * 2016-01-12 2016-04-13 中国电建集团贵阳勘测设计研究院有限公司 Reinforcing and anchoring ecological restoration system for high and steep waste slag side slope of wind power plant in mountainous area

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105484275A (en) * 2016-01-12 2016-04-13 中国电建集团贵阳勘测设计研究院有限公司 Reinforcing and anchoring ecological restoration system for high and steep waste slag side slope of wind power plant in mountainous area

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109937805A (en) * 2018-09-30 2019-06-28 大连迪安缇科技有限公司 A kind of mine slope greening method

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Application publication date: 20180810

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