CN108411924A - Construction method for mine pit wall safety protection - Google Patents
Construction method for mine pit wall safety protection Download PDFInfo
- Publication number
- CN108411924A CN108411924A CN201810135278.8A CN201810135278A CN108411924A CN 108411924 A CN108411924 A CN 108411924A CN 201810135278 A CN201810135278 A CN 201810135278A CN 108411924 A CN108411924 A CN 108411924A
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- China
- Prior art keywords
- rope
- palisades
- net
- grid
- pit
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 241000196324 Embryophyta Species 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000011435 rock Substances 0.000 claims abstract description 9
- 239000004575 stone Substances 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 238000005553 drilling Methods 0.000 claims abstract description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 238000013461 design Methods 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 8
- 239000002689 soil Substances 0.000 claims description 7
- 235000016709 nutrition Nutrition 0.000 claims description 6
- 230000035764 nutrition Effects 0.000 claims description 6
- 239000011083 cement mortar Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000004570 mortar (masonry) Substances 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 235000013311 vegetables Nutrition 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000011161 development Methods 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000009435 building construction Methods 0.000 abstract 2
- 230000002265 prevention Effects 0.000 description 6
- 230000009466 transformation Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Botany (AREA)
- Environmental Sciences (AREA)
- Revetment (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
A construction method for mine pit wall safety protection comprises pit wall safety protection measures of a building construction main body structure construction area and pit wall safety protection measures of a non-construction area, and the concrete steps of the building construction main body structure construction area are as follows: a. cleaning dangerous stones, gravels and weeds of rock walls in the area where the main building structure is located, and measuring and positioning anchor rod holes of the safety net; b. drilling the anchor rod; c. mounting an anchor rod; d. installing a supporting steel rope; e. installing a grid net; f. and installing a steel rope net. The method has the advantages that the safety net, the vegetation ecological concrete and the reconstruction of the abandoned mine pit are organically combined, the construction safety of the abandoned mine pit house is met, the call of national ecological restoration and urban repair, namely urban double repair, is responded, and the method adapts to the trend of development of the building industry towards environmental protection and sustainable development.
Description
Technical field
The present invention relates to a kind of construction methods of palisades security protection, and it is anti-safely to especially relate to a kind of pit crater wall
The construction method of shield.
Background technology
Discarded pit be generate after recovery activity leave discarded ground, quantity, scale all gradually increase at any time.
During mining, original ecosystem is by catastrophic collapse, the base before closing mine such as soil that refuse dump covers
Originally it reclaims and finishes, and discard outdoor pit and be left behind by something lost as the direct product after closing mine, destroyed in a manner of destroying
A large amount of land resource.The discarded pit having is also with high gradient slope and ponding, to be made to ecological environment and geomorphologic landscape
At different degrees of negative effect.Therefore comprehensive treatment carried out to discarded outdoor pit and recycling is to implement cycle development, green
The performance of chromogenic development even more integrates the sustainable use of ecology, social and economic benefits.
In recent years, pit is discarded to belong to the identity of Mining Wasteland gradually by the concern and attention of country, country
It formulates relevant policies and measures encouragement and regulation recycling is carried out to it.House is built in discarded pit, discarded pit is made
It is that the effective measures recycled are administered to pit at golden tour zones.
Invention content
The present invention solve existing technical problem and provide it is a kind of house construction can be carried out in discarded pit, crater wall is interim
Safety prevention measure is combined with crater wall permanent protection measure, ecology, environmental protection and the pit crater wall for meeting sustainable development direction
The construction method of security protection.
In order to solve the above technical problems, crater wall security protection construction method is built in discarded pit house provided by the invention,
The crater wall security protection that the crater wall safety prevention measure and non-construction area in main structure construction region are built including house is arranged
It applies, step is:
(1) the crater wall safety prevention measure in main structure construction region is built in house:
Step (1), the weeds of the danger stone of cleaning palisades, rubble and palisades, it is fixed to be measured to the bolthole of safety net
Position;
Step (2), carry out armature boring, it is bigger 5-10cm than design hole depth depth, hole internal water accumulation and rock disintegrating slag are cleared up dry
Only, bolthole is stoppered with stopper;
Step (3), carry out rockbolt installation, anchor pole be inserted into after, cement mortar is injected into hole, every 20-30cm consolidate one
Secondary, movable anchor pole keeps mortar injection full;
Step (4), support steel cable installation, laterally, vertically using Ф 16 support steel cable.Erection sequence is to be opened from steel cable one end
Begin, steel cable will be supported to be fixed on anchor pole with the rope card to match, after locking to be checked, then that supporting rope sequentially passed through anchor pole is exposed
Ungulate lantern ring, until the other end, last same locking;
Step (5), installation grid, from top to bottom paving hang grid, overlapping widths are not less than between grid and grid
10cm, the suture between two grids and the connection between grid and supporting rope carry out ligation with 2.2mm diameters iron wire;
Step (6), installation steel rope net, be laid with steel rope net from top to bottom, wire rope net should be close to as far as possible in process of deployment
Rock wall surface carries out side tensioning side seam to steel rope net and surrounding supporting rope and closes, finally suture rope both ends are each using the method for suture rope
With two rope cards and supporting rope fixed connection.
(2) the crater wall safety prevention measure of agent structure region is built in non-house:
Step (1), base treatment, clear up palisades danger stone, rubble and palisades weeds, according to design model to palisades
Surface carries out smooth processing;
Step (2), according to design model, arrange palisades region template, take the mode fixed form of bar planting, can be used
The secondary screw-thread steel of 16mm or 18mm diameters arranges bar planting depth and spacing according to design requirement;
Step (3), pour eco-concrete, eco-concrete is poured to specified region in such a way that chute is set;
Step (4), filling nutrition soil paste and grass-seed, the nutrition soil paste of vegetable seeds will be mixed in such a way that chute is set
It slips and send into the gap of eco-concrete.
Using above-mentioned technical proposal, attachment safety net, plantation is taken to plant the measure of raw eco-concrete, from following two parts
Start with, for the palisades of construction area where building structure, in palisades region, arrangement safety guard net avoids building work progress
The landing of middle massif rubble, it is ensured that the safety of work progress;In the palisades of construction area where nonbody structure, in palisades region
Raw eco-concrete is planted in plantation, on the one hand ensures the stabilization of rock mass, on the other hand, utilizes the gap planted in raw eco-concrete
The growth for realizing plant plays the infiltration of purification palisades, improves palisades landscape and improves the multipurpose of the discarded pit ecosystem.
The present invention is directed to the transformation in discarded pit, proposes completely new discarded pit transformation theory, by interim security protection with
Permanent ecological safety protection organically combines, and not only improves the security management and control of work progress, and is conducive to the discarded pit ecosystem
Reparation;Whole discarded pit is divided into the construction that construction area carries out crater wall security protection with the regions non-construction area Liang great, two
A region crater wall security protection can synchronize progress, do not interfere with each other, be conducive to the control of integral construction progress, applying through the invention
Work method can carry out house construction, to arrange interim safety prevention measure and permanent protection restoration of the ecosystem in discarded pit
It applies and is combined, not only ensured work progress safety, but also achieved the purpose that ecosystem restoration.Discarded opencut pit area compared with
Greatly, it uses safety guard net as the interim safety prevention measure of crater wall in housing construction region, is poured in palisades in non-construction area
The raw eco-concrete of plant is built, moulding can have not only been made and increase aesthetic, but also the ecosystem can be repaired and stablize palisades.
In conclusion the present invention is green, an environmental protection, meets sustainable development idea, can effectively solve discarded mine
The transformation of eco-concrete and discarded pit is given birth in safety net, plant by the construction method of crater wall security protection in the transformation of hole, this method
It organically combines, while the discarded pit house construction work progress of satisfaction is safe, having responded country, " restoration of the ecosystem, city are repaiied
Mend, i.e., city is double repaiies " call, adapted to the trend that building trade develops towards environmental protection and sustainable development direction, this hair
The bright architectural engineering for adapting to all discarded pit transformations or infrastructure project.
Description of the drawings
Fig. 1 is that agent structure region and non-house construction agent structure are built in discarded pit house provided by the invention
The floor plan of region.
Fig. 2 is the front elevation that agent structure region crater wall safety guard net is built in house provided by the invention.
Fig. 3 is the cross-sectional view that agent structure region crater wall safety guard net is built in house provided by the invention
Fig. 4 is the anchor pole detail drawing that agent structure region security protection is built in house provided by the invention
Fig. 5 is the front elevation that the crater wall protection of agent structure region is built in non-house provided by the invention
Fig. 6 is the side view that the crater wall protection of agent structure region is built in non-house provided by the invention
In attached drawing, 1, support steel cable;2, anchor pole;3, steel rope net;4, grid;5, rock wall surface;6, the ungulate lantern ring of anchor pole;7、
Cement mortar;8, pit is discarded;9, agent structure region is built in house;10, agent structure region is built in non-house;
11, secondary screw-thread steel muscle;12, wooden box;13, round steel pipe;14, No. 8 channel steels;15, chute;16, butterfly button;17, ecology is planted
Concrete.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and embodiments
For the crater wall security protection in discarded pit 8, it is divided into two big regions, agent structure region 9 is built in house
The crater wall security protection of agent structure region 10 is built in crater wall security protection and non-house.
The crater wall security protection of agent structure region 9 is built for house, it is shown that steps are as follows:
Step (1), cleaning palisades 5 danger stone, rubble and weeds, positioning, 2 hole of anchor pole are measured to 2 hole of anchor pole
Hole is in length and breadth away from being 4.5m;
Specifically measurement and positioning embodiment is:According to design size and combine site contour first from one using total powerstation
Benchmark eye is made in solid rock near angle point, and with this as the starting point, 2 hole of other anchor poles is made in direction every 4.5m in length and breadth
Position, and make visible marking.
Step (2), carry out anchor pole 2 drill, from top to bottom at 2 hole marks of anchor pole drill, drilling depth 260cm.
After 2 hole of anchor pole is drilled, hole internal water accumulation and rock powder are cleaned out, stopper is used in combination to stopper 2 hole of anchor pole being drilled
Hole prevents native stone disintegrating slag from falling into hole, blocks hole.
Step (3), carry out anchor pole 2 install, anchor pole 2 be inserted into before, first certain match ratio and appropriate cement bonded sand are injected into jack
7 shop fixtures are starched, are inserted into anchor pole 2, then inject cement mortar 7 into hole, it is primary every 20-30cm tampings, and frequent mooring drag
Bar 2 makes mortar 7 be perfused full, until orifice position, the ungulate lantern ring of anchor pole 6 is finally sleeved on exposed 2 end of anchor pole again.Note
Do not allow to disturb anchor pole before meaning mortar initial set, after conserving 2d, next procedure construction can be carried out.
Step (4), support steel cable 1 install, laterally, a diameter of Ф 16 of vertical support steel cable 1.Erection sequence is from one
End starts, and steel cable 1 will be supported to be fixed with the rope to match and schedule anchor pole 2, after locking to be detected, successively by support steel cable 1 then
The ungulate lantern ring 6 exposed across anchor pole 2, until the other end, last same locking.
Step (5), installation grid 4, from top to bottom paving hang grid 4, lap width is not small between grid and grid
Connection between suture and grid and supporting rope between 10cm, two grids carries out ligation with the iron wire of diameter 2.2mm.
Paving, which is hung, waits for fixing 4 reverse reflex of grid after the completion of steel rope net 1 is laid at periphery, and overlapping widths are not less than 20cm.
Step (6), installation steel rope net 3, from top to bottom be laid with steel rope net 3, in process of deployment, wire rope net should be as far as possible
It is close to slope surface, it is 4mx4m to arrange unit grid.It is closed using the suture rope and surrounding supporting rope side tensioning side seam of a diameter of 8mm, seam
Rope both ends are closed respectively with two rope cards and supporting rope fixed connection.
The crater wall security protection of agent structure region 10 is built for non-house, it is shown that steps are as follows:
Step (1), cleaning palisades 5 danger stone, rubble and weeds, the contour line of design model is positioned;
The drilling of step (2), before progress bar planting carries out 16mm diameters using electric hammer along the contour line edge of design model
Secondary screw-thread steel muscle 11 drill, bar planting depth be not less than 15D, i.e. 240mm, bar planting spacing be not more than 500mm;
Step (3), according to design model, make wooden box 12, back cord be used as using the round steel pipe 13 of a diameter of 48mm, is made
Locked with butterfly button 16, cartridge bottom is fixed using the holder that No. 8 channel steels 14 are made, and is secured the stand to by the way of bar planting
On palisades, (2) with step, reinforcing bar is welded with holder, meets the requirement of single welding 10D length for bar planting;
(4), chute 15 is arranged in step, will plant raw eco-concrete 17 and be delivered to wooden box 12, pour eco-concrete, lead to
The mode for crossing setting chute pours eco-concrete to specified region;
Step (5), filling nutrition soil paste and grass-seed, will be mixed with the nutrition soil paste of vegetable seeds by way of chute is arranged
It slips and send into the gap of eco-concrete.
Claims (5)
1. a kind of construction method of pit crater wall security protection, it is characterised in that:Include the following steps:
A, the weeds of the danger stone of agent structure region palisades, rubble and palisades are built in cleaning house, to the anchor of safety net
Rod aperture measures positioning;
B, armature boring is carried out, drilling hole depth rate designs the big 5-10cm of hole depth depth, hole internal water accumulation and rock disintegrating slag is cleared up dry
Only, bolthole is stoppered with stopper;
C, it carries out rockbolt installation and injects cement mortar into hole after anchor pole is inserted into, mooring drag primary every 20-30cm tampings
Bar keeps mortar injection full;
D, support steel cable installation, erection sequence are that steel cable will be supported to fix with the rope card to match since support steel cable one end
The exposed ungulate lantern ring of anchor pole is sequentially passed through after anchor pole, locking to be checked, then by supporting rope, until the other end, last same
Locking;
E, install grid, from top to bottom paving hang grid, between grid and grid overlapping widths be not less than 10cm, two
The connection between suture and grid and supporting rope between grid carries out ligation with iron wire;
F, steel rope net is installed, be laid with steel rope net from top to bottom, wire rope net is close to rock wall surface in process of deployment, is restricted using suture
Method, tensioning side seam in side is carried out to steel rope net and surrounding supporting rope and is closed, finally suture rope both ends are respectively used two rope cards and supported
Rope fixed connection.
2. the construction method of crater wall security protection in pit according to claim 1, it is characterised in that:Further include to non-house
The palisades for building agent structure region are constructed, and are specifically comprised the following steps:
G, base treatment clears up the weeds that the danger stone of agent structure region palisades, rubble and palisades are built in non-house,
Smooth processing is carried out to palisades surface according to design model;
H, it according to design model, arranges palisades region template, takes the mode fixed form of bar planting, arrange and plant according to design requirement
Muscle depth and spacing;
I, eco-concrete is poured, is poured eco-concrete to specified region in such a way that chute is set;
J, nutrition soil paste and grass-seed are filled, the nutrition soil paste for being mixed with vegetable seeds is slipped in such a way that chute is set and is sent to ecology
In the gap of concrete.
3. the construction method of crater wall security protection in pit according to claim 1, it is characterised in that:In step d, supporting steel
Rope uses the support steel cable of Ф 16.
4. the construction method of crater wall security protection in pit according to claim 3, it is characterised in that:In step e, iron wire
A diameter of 2.2mm.
5. the construction method of crater wall security protection in pit according to claim 2, it is characterised in that:In step h, bar planting is adopted
With the secondary screw-thread steel of 16mm or 18mm diameters.
Priority Applications (1)
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CN201810135278.8A CN108411924B (en) | 2018-02-09 | 2018-02-09 | Construction method for mine pit wall safety protection |
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CN201810135278.8A CN108411924B (en) | 2018-02-09 | 2018-02-09 | Construction method for mine pit wall safety protection |
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CN108411924A true CN108411924A (en) | 2018-08-17 |
CN108411924B CN108411924B (en) | 2020-03-13 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2615542A1 (en) * | 1987-05-22 | 1988-11-25 | Peter Steiner | DEVICE FOR STABILIZING SLOPES AND SLOPES AGAINST INSTABILITIES OF SURFACE LAYERS AND CLOSE TO SURFACE |
CN102425181A (en) * | 2011-12-26 | 2012-04-25 | 杭州市园林绿化工程有限公司 | Side slope greening restoration method |
CN104110015A (en) * | 2014-07-30 | 2014-10-22 | 中国水利水电第十四工程局有限公司 | Tunnel safety protection net and installation method thereof |
CN105297745A (en) * | 2014-07-18 | 2016-02-03 | 青岛润国生态科技发展有限公司 | Protection method for high and steep side slope ecological restoration technology |
CN105569059A (en) * | 2016-02-29 | 2016-05-11 | 中铁隧道集团有限公司 | Passive protective net and installation method thereof |
CN106638634A (en) * | 2017-02-09 | 2017-05-10 | 杭州江润科技有限公司 | Road rock slope vine ecological protection structure and construction method |
-
2018
- 2018-02-09 CN CN201810135278.8A patent/CN108411924B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2615542A1 (en) * | 1987-05-22 | 1988-11-25 | Peter Steiner | DEVICE FOR STABILIZING SLOPES AND SLOPES AGAINST INSTABILITIES OF SURFACE LAYERS AND CLOSE TO SURFACE |
CN102425181A (en) * | 2011-12-26 | 2012-04-25 | 杭州市园林绿化工程有限公司 | Side slope greening restoration method |
CN105297745A (en) * | 2014-07-18 | 2016-02-03 | 青岛润国生态科技发展有限公司 | Protection method for high and steep side slope ecological restoration technology |
CN104110015A (en) * | 2014-07-30 | 2014-10-22 | 中国水利水电第十四工程局有限公司 | Tunnel safety protection net and installation method thereof |
CN105569059A (en) * | 2016-02-29 | 2016-05-11 | 中铁隧道集团有限公司 | Passive protective net and installation method thereof |
CN106638634A (en) * | 2017-02-09 | 2017-05-10 | 杭州江润科技有限公司 | Road rock slope vine ecological protection structure and construction method |
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