CN108411924A - Construction method for mine pit wall safety protection - Google Patents

Construction method for mine pit wall safety protection Download PDF

Info

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
Authority
CN
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
Application number
CN201810135278.8A
Other languages
Chinese (zh)
Other versions
CN108411924B (en
Inventor
何昌杰
郭朋鑫
谭立新
宁志强
吴智
赵金国
张文松
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.)
China Construction Fifth Bureau Third Construction Co Ltd
Original Assignee
China Construction Fifth Bureau Third Construction 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 China Construction Fifth Bureau Third Construction Co Ltd filed Critical China Construction Fifth Bureau Third Construction Co Ltd
Priority to CN201810135278.8A priority Critical patent/CN108411924B/en
Publication of CN108411924A publication Critical patent/CN108411924A/en
Application granted granted Critical
Publication of CN108411924B publication Critical patent/CN108411924B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for
    • 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

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

A kind of construction method of pit crater wall security protection
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.
CN201810135278.8A 2018-02-09 2018-02-09 Construction method for mine pit wall safety protection Active CN108411924B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810135278.8A CN108411924B (en) 2018-02-09 2018-02-09 Construction method for mine pit wall safety protection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810135278.8A CN108411924B (en) 2018-02-09 2018-02-09 Construction method for mine pit wall safety protection

Publications (2)

Publication Number Publication Date
CN108411924A true CN108411924A (en) 2018-08-17
CN108411924B CN108411924B (en) 2020-03-13

Family

ID=63127089

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810135278.8A Active CN108411924B (en) 2018-02-09 2018-02-09 Construction method for mine pit wall safety protection

Country Status (1)

Country Link
CN (1) CN108411924B (en)

Citations (6)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CN108411924B (en) 2020-03-13

Similar Documents

Publication Publication Date Title
CN107447765B (en) Side slope construction supported with framed anchor construction
CN106703814B (en) Tunneling subway station hole pile construction method
CN104564128B (en) A kind of shallow-depth-excavation tunnel construction deformation monitoring method
CN208415267U (en) Miniature steel pipe pile prestressed anchor rope combination supporting system
CN209604016U (en) Shallow embedding layer of sand tunnel shielding portal end soil body ruggedized construction
CN208328952U (en) Side slope Initiative Defence System
CN105155550A (en) Construction method for digging deep foundation pit in large-thickness highly weathered sandstone stratum in combined supporting mode
CN104196014A (en) Combined rock-embedded anchor cable slide-resistant pile where round steel is implanted and construction method thereof
CN205134392U (en) Chemistry electric osmose method is united pile foundation and is consolidated side slope model test device
CN102235007B (en) Method for supporting deep foundation with upper nail-lower pile combination
CN205712143U (en) Concrete spraying floating platform structure for mine environment recovery treatment
CN203334301U (en) Cave slope strengthening protection structure
CN108411924A (en) Construction method for mine pit wall safety protection
CN107503355A (en) Shaped steel formula double-row pile foundation pit supporting system and its construction method are inserted after outer row
CN207469262U (en) The supporting construction that a kind of foundation pit is combined with side slope
CN110512594A (en) The simple and easy method of churning driven opportunity cavity pore-forming
CN204000836U (en) A kind of structure for the ground stabilization of shield end well surrounding building
CN103590407B (en) A kind of tomb of falling crown form hole restoration construction method
CN108797599A (en) Miniature steel pipe pile prestressed anchor rope combination supporting system
CN205712144U (en) A kind of karst talus anchor pole reinforcement retaining structure
CN105241320A (en) Controlled blasting and protecting method for major bridge foundation on two sides of high and steep gorge in scenic spot
CN105626138B (en) A kind of precipice passway for escaping structure and its construction method
CN106638632A (en) Construction technology of landscape soil blocking and slope protecting member
CN102409692A (en) Anti-seepage protection method at archaeological excavation site
CN113775344A (en) Tunnel in-situ unilateral extension construction method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant