CN108398064A - A kind of room-and-pillar method goaf partition board construction of explosion setting out method - Google Patents

A kind of room-and-pillar method goaf partition board construction of explosion setting out method Download PDF

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Publication number
CN108398064A
CN108398064A CN201810233501.2A CN201810233501A CN108398064A CN 108398064 A CN108398064 A CN 108398064A CN 201810233501 A CN201810233501 A CN 201810233501A CN 108398064 A CN108398064 A CN 108398064A
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China
Prior art keywords
line
control point
setting
blasthole
center line
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CN201810233501.2A
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Chinese (zh)
Inventor
徐云森
王世炫
肖韦辉
徐正杰
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Fujian Strait Of Fuxing Construction Engineering Co Ltd
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Fujian Strait Of Fuxing Construction Engineering Co Ltd
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Priority to CN201810233501.2A priority Critical patent/CN108398064A/en
Publication of CN108398064A publication Critical patent/CN108398064A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D1/00Blasting methods or apparatus, e.g. loading or tamping
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C41/00Methods of underground or surface mining; Layouts therefor
    • E21C41/16Methods of underground mining; Layouts therefor
    • E21C41/22Methods of underground mining; Layouts therefor for ores, e.g. mining placers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D3/00Particular applications of blasting techniques
    • F42D3/04Particular applications of blasting techniques for rock blasting

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The present invention provides a kind of room-and-pillar method goaf partition board construction of explosion setting out method, based on the left goaf rule of room and pillar caving mine institute, when handling goaf, the lofting control point of drilling arrangement is made on stope survey figure, during setting-out, by forced centering observation stand, to observe the steady period, setting-out goes out cantilever glider bridge and constructs two control points of accurate construction lofting;Then by setting up total powerstation at two control points, observation determines layout point come accurate mutually.The construction lofting that cantilever glider bridge construction is carried out with this method, both can guarantee the stability of cantilever glider bridge construction lofting, and can also improve the accuracy of cantilever glider bridge construction lofting.

Description

A kind of room-and-pillar method goaf partition board construction of explosion setting out method
One, technical fields:
The present invention relates to mine blasting construction fields, more particularly, to a kind of new method specifically for goaf, specifically Say it is a kind of room-and-pillar method goaf partition board construction of explosion setting out method.
Two, background technologies:
In mine blasting construction, especially for Jin Xiatong in the Mining Group Shanghang County mineral products pattern of the Purple Mountain, Using strip mining transformation and underground mining unitized production pattern, since opencast gold ore stone faces exhaustion, the exploitation mould that goes underground is needed Formula, and underground mining copper mine two stage casings before, leave a large amount of goaf, for the safety in production of Deep Copper Mine, need It is pressed with controlling every top and the stage casings 520m goaf partition board progress explosion, filling outdoor;Therefore it needs first to 520m levels Goaf carries out partition board construction of explosion.Mixed Microbial Populations in Zijinshan Copper Mine uses room and pillar caving, the goaf left, ore pillar, tunnel rule to go out Mine laneway plugging is lived, and can only carry out drillhole blasting construction in discharging tunnel;It needs deep in the sector to mined out arrangement reasonable wide Hole is designed, and after drilling design, needs to arrange progress accurate settingout to big gun sky.Some mines are using infrared total powerstation to drilling The carry out setting-out of design, but to repeatedly input data, at the construction field (site) due to being influenced by irregular pillar, infrared ray can not Accurate guidance, live controllability are small.It is therefore desirable to propose that a kind of drilling construction of the Mined-out Area control of needle room and pillar caving is put The more convenient efficient, accurate method of sample.
Three, invention contents
In order to solve the goaf partition board construction of explosion left for the Purple Mountain horizontal room and pillar cavings of auricupride 520m or Person is similar to the blast working in mining area, and the present invention provides a kind of room-and-pillar method goaf partition board construction of explosion setting out method, based on the pillars of a house The left goaf rule of method mining institute makes putting for drilling arrangement when handling goaf on stope survey figure Sample control point, during setting-out, by forced centering observation stand, to observe the steady period, setting-out goes out cantilever glider bridge construction Two control points of accurate construction lofting;Then by setting up total powerstation at two control points, observation determines setting-out come accurate mutually Point.The construction lofting that cantilever glider bridge construction is carried out with this method, both can guarantee the stability of cantilever glider bridge construction lofting, and also could Improve the accuracy of cantilever glider bridge construction lofting.
A kind of room-and-pillar method goaf partition board construction of explosion setting out method of the present invention, it is characterised in that:Include the following steps:
Step 1:It is designed on original mining measurement figure, according to the interval 1.8m in every artillery salvo hole, draws blasthole point Wiring, and often arrange label;Centreline control point A, B, center line A- are set in the discharging tunnel both ends centre position of stope side B, parallel lines A2-B2 intersects vertically with the wiring of big gun space division, extracts exact center line traffic control point A, B, C, D coordinate;Two are chosen simultaneously Group blasthole distributing line control point, distribution are E-F and G-H, and the control point of big gun space division wiring requires on distribution discharging tunnel ore pillar, carries Big gun space division is taken to connect up control point E, F, G, H coordinate;The measurement control point K1 and K2 in the lanes Qu Zhu extract two point coordinates of K1, K2, center Line, parallel lines, the wiring of big gun space division and measurement control point;
Step 2:It is accurate according to the control point KI, K2 in main tunnel using laser total station according to hole blasting design figure and coordinate Setting-out goes out centreline control point A, B, CD and the wiring of big gun space division control point E, FGH;Center line A-B is extended to using total powerstation Main lane highwall A1-B1, setting-out to 2 points of AI, B1;Using total powerstation and centreline control point C, D big gun space division wiring control point E, F, the accurate setting-out of G, H;Setting-out requires A, B, E, F, G, H high-rise consistent, and being higher by bottom plate 1.2m is advisable, and is suitble to next step bracing wire to big gun Pore size distribution positions;
Step 3:Control point A, B are translated into 1m setting-out parallel lines control point A2, B2 using tape measure tool;
Step 4:It is bored using small impingement and is drilled to control point A1, B1, A2, B2, E, F, G, H, stamped steel nail, use plastic fish Line connects A1-B1, A2-B2, E-F, G-H, and when connecting 2 bracing wires, fishing line is stretched;
Step 5:Blasthole control line E-F and center line A1-B1, parallel lines A2-B2 intersection points are determined using small plumb bob and are done Label, with tape measure or steel ruler in center line A-B parallel lines AB with 1.8m forward markers at point;It is same to repeat blasthole control line G- The markers work of H and center line A1-B1, parallel lines A2-B2, in the markers between section when, can verify mark point finally with control Line E-F and G-H processed are overlapped, and control errors do not influence blasthole setting-out within the scope of 5cm;
Step 6:According to the principle that two points make a line, with the plastics fishing line of tension same tier hole center line with it is parallel Two points make a line for punctuate on line, and the location point of blasthole is incident upon on ore pillar, be used in combination spray painting mark, and so on made At the setting-out markers work of all big guns sky;
Step 7:When two points make a line;Fishing line is controlled the punctuate in parallel lines, technician's control by one technician Fishing line other end anchor point on ore pillar processed, a technician is according to fishing line and center line intersection point, commander's adjustment fishing line other end Anchor point, finally ensure fishing line overlapped with the intersection point of center line with the mark point of same tier hole on centerline, really Protect the quick and precisely setting-out of blasthole control point;
Step 8:It picks and places sample and just pinpoints accurate layout point of the midpoint of line between Al and setting-out time fixed point A2 as A points;
Step 9:It is bored to the air line distance L of ore pillar mark point with the aerial heart wire tag point of tier with tape measure Hole is designed, and ensures that the air line distance of down-the-hole drill center to ore pillar mark center is advisable for 1.6m, down-the-hole drill drilling rod is facilitated to revolve Turn positioning, the air line distance l (l=L-1.6) of down-the-hole drill disalignment center line.
A kind of specific data parameters setting of room-and-pillar method goaf partition board construction of explosion setting out method:
Step 1:According to exploitation measures figure, the design of centreline control point and blasthole ranking line, big gun idle discharge position are carried out Line and vertical and intersectant centerline, extraction measure the coordinate of midpoint K1, K2 and centreline control point A, B, C, D;
Step 2:Go out centreline control point A using laser total station elder generation accurate settingout, then setting-out go out control point B, C, D, A1, B1 goes out big gun idle discharge bit line control point E, F, G, H further according to center control point C, D setting-out;
Step 3:It is parallel lines control point A2, B2 of center line A1-B1;
Step 4:According to 2 points at line principle, with plastics fishing line or other filaments by center line A1-B1 and parallel lines A2-B2 Connection, connection blasthole ranking line E-F and G-H;
Step 5:Blasthole ranks line E-F and G-H and center line, parallel lines crosspoint, according to crosspoint steel ruler with 1.8m Scale designation goes out blasthole and arranges other big gun idle discharge bit lines at the control point of center line, parallel lines, and marks;
Step 6:According to two points one lines, same two mark points for coming center line and parallel lines stretch line and obtain blasthole Line is ranked in ore pillar location point, is marked;
Step 7:With in tape measure with tier idle discharge bit line center line mark point to ore pillar mark point straight line Distance L, and carry out the design of down-the-hole drill fan shaped medium length hole;
Step 8:The center line of down-the-hole drill is parallel with center line E-F, and distance is L-1.6, down-the-hole drill center to blasthole It is advisable for 1.6m in the distance of ore pillar label, drilling rod is facilitated to rotate.Feature of the present invention:
It is left in the construction of explosion of lower regulation goaf according to room-and-pillar method, in error controlled range, avoids professional measuring instrument The troublesome operation of device realizes quick and precisely setting-out, substantially increases construction lofting working efficiency.
Four, are illustrated
Fig. 1 is a kind of blasthole ranking floor plan design of room-and-pillar method goaf partition board construction of explosion setting out method of the present invention;
Fig. 2 is a kind of blasthole ranking design profile figure of room-and-pillar method goaf partition board construction of explosion setting out method of the present invention;
Fig. 3 is a kind of drilling machine arrangement schematic diagram of room-and-pillar method goaf partition board construction of explosion setting out method of the present invention.
Five, specific implementation modes
With reference to the accompanying drawings and detailed description to a kind of room-and-pillar method goaf partition board construction of explosion of the invention setting-out side Method is described in further detail.
A kind of room-and-pillar method goaf partition board construction of explosion setting out method, it is characterised in that:Include the following steps:
Step 1:It is exploited with mineral building and measures figure progress big gun idle discharge line design, extract the coordinate of relevant control point;
Step 2:It is measured in main tunnel and sets up laser total station on the K1 of control point, K2 backsights are corrected, then accurate settingout goes out Centreline control point A is in back, and at control point, A hangs plumb bob;
Step 3:Mobile total powerstation to A points, forward sight becomes backsight, and accurate settingout goes out centreline control point B, C, D and center Highly consistent away from bottom plate of line traffic control point A1, B1, wherein control point B, C, D, A1, B1 is 1.2m, and centreline control point C, D can be with Setting-out is in bottom plate and top plate;
Step 4:Total powerstation is erected on C points, using A points as backsight, to blasthole line traffic control point E, F accurate settingout, equally In D points, using B points as backsight, to blasthole line traffic control point G, H accurate settingout;
Step 5:1m is translated to the discharging tunnel other side to center line A1, B1 point, obtains A2, B2;
Step 6:It is bored to control point A1, B1, A2, B2, E, F, G, H with small impingement, stamps steel nail, according to two points one lines original Reason, with plastics fishing line connection center line A1-B1, parallel lines A2-B2 and blasthole control line E-F, G-H;
Step 7:The intersection point that blasthole line EFGH and centerline parallel line are marked using plumb bob is marked with coloured carbon pen Note, then with steel ruler with 1.8m scales in center line A1B1 and parallel lines A2B2 successively forward marker, until the big gun sky goaf Line is covered with;
Step 8:When two points make a line;Fishing line is controlled the punctuate in parallel lines, technician's control by one technician Fishing line other end anchor point on ore pillar processed, a technician is according to fishing line and center line intersection point, commander's adjustment fishing line other end Anchor point, finally ensure fishing line overlapped with the intersection point of center line with the mark point of same tier hole on centerline, really Protect the quick and precisely setting-out of blasthole control point;
Step 9:The distance that the label for the center line for going out same tier hole with tape measure is marked to ore pillar, and record, To ensure that tape measure stretches when drawing tape measure;
Step 10:According to big gun idle discharge position in the distance of the label of centre line marks to ore pillar, fan shaped medium length hole design is carried out (such as Fig. 3), the entire fuselage of down-the-hole drill is parallel with center line A1-B1, down-the-hole drill center line and centerline parallel and distance 2.1m facilitates down-the-hole drill drilling rod rotational positioning to operate until ore pillar mark point distance is fixed as 1.6m.
Embodiment described above, only one kind of the present invention more preferably specific implementation mode, those skilled in the art The usual variations and alternatives that member carries out within the scope of technical solution of the present invention should be all included within the scope of the present invention.

Claims (1)

1. a kind of room-and-pillar method goaf partition board construction of explosion setting out method, it is characterised in that:Include the following steps:
Step 1:By exploitation measure figure according to, carry out centreline control point and blasthole ranking line design, big gun idle discharge bit line with Vertical and intersectant centerline, extraction measure the coordinate of midpoint K1, K2 and centreline control point A, B, C, D;
Step 2:Go out centreline control point A using laser total station elder generation accurate settingout, then setting-out goes out control point B, C, D, A1, B1, Go out big gun idle discharge bit line control point E, F, G, H further according to center control point C, D setting-out;
Step 3:It is parallel lines control point A2, B2 of center line A1-B1;
Step 4:According to 2 points at line principle, center line A1-B1 and parallel lines A2-B2 are connected with plastics fishing line or other filaments It connects, connection blasthole ranking line E-F and G-H;
Step 5:Blasthole ranks line E-F and G-H and center line, parallel lines crosspoint, according to crosspoint steel ruler with 1.8m scales It marks blasthole and arranges other big gun idle discharge bit lines at the control point of center line, parallel lines, and mark;
Step 6:According to two points one lines, same two mark points for coming center line and parallel lines stretch line and obtain blasthole ranking Line is marked in ore pillar location point;
Step 7:With in tape measure with tier idle discharge bit line center line mark point to ore pillar mark point air line distance L, and carry out the design of down-the-hole drill fan shaped medium length hole;
Step 8:The center line of down-the-hole drill is parallel with center line E-F, and distance is L-1.6, and down-the-hole drill center to blasthole is in mine The distance of column label is advisable for 1.6m, and drilling rod is facilitated to rotate.
CN201810233501.2A 2018-03-21 2018-03-21 A kind of room-and-pillar method goaf partition board construction of explosion setting out method Pending CN108398064A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109000526A (en) * 2018-08-21 2018-12-14 四川中鼎爆破工程有限公司 A kind of total station setting-out bore distribution method

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CN103983148A (en) * 2014-04-24 2014-08-13 中铁四局集团第二工程有限公司 Full-automatic blast hole setting-out method for tunnel smooth surface blasting
CN106908047A (en) * 2017-01-20 2017-06-30 中南大学 To the accurate laying out apparatus of fan shape cloth hole and its application method in one kind
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08128293A (en) * 1994-10-28 1996-05-21 Dowa Koei Kk Quick excavation construction method of tunnel with large section
CN103983148A (en) * 2014-04-24 2014-08-13 中铁四局集团第二工程有限公司 Full-automatic blast hole setting-out method for tunnel smooth surface blasting
CN106908047A (en) * 2017-01-20 2017-06-30 中南大学 To the accurate laying out apparatus of fan shape cloth hole and its application method in one kind
CN107356167A (en) * 2017-09-19 2017-11-17 中交公局厦门工程有限公司 A kind of equidistant fan transfer blasting construction method in tunnel Tao Kuocao areas

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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