CN103983148B - Tunnel photoface exploision full-automatic big gun hole setting out method - Google Patents
Tunnel photoface exploision full-automatic big gun hole setting out method Download PDFInfo
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- CN103983148B CN103983148B CN201410167544.7A CN201410167544A CN103983148B CN 103983148 B CN103983148 B CN 103983148B CN 201410167544 A CN201410167544 A CN 201410167544A CN 103983148 B CN103983148 B CN 103983148B
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Abstract
The invention discloses a kind of tunnel photoface exploision full-automatic big gun hole setting out method, it is instrument and equipment and software kit selection, data inputting, the operation of setting-out job site, total powerstation full-automatic big gun hole respectively that the method mainly comprises three steps, the maximum advantage of the inventive method is to improve setting-out efficiency, control photoface exploision quality, in constructing tunnel, control there is remarkable result for out break; Save skilled workforce compared with the setting out method of traditional big gun hole, reduce tunneling operation circulation timei, effectively control out break, reduce the amount of backbreaking.
Description
Technical field
The present invention relates to blasting method, particularly relate to a kind of full-automatic big gun hole setting out method adopted in tunnel in photoface exploision digging process.
Background technology
Current most of constructing tunnel still adopts Mining Method, and the method for explosion periphery hole measured by artificial steel tape.In the construction of growing up curved tunnel, the method more and more can not meet fast, the requirement of the construction that becomes more meticulous.Newly-built the long 1343m of Tang Tielu pearl ridge tunnel entrance that my company undertakes the construction of, rear hedge tunnel exit 1585m, two stratum, tunnel are Yin Zhiji (γ
5) granite.Granite: canescence folder flesh pink, middle coarse grained texture, massive structure, joint fissure is comparatively grown, and master joint occurrence is 240 ° of ∠ 75 ° and 95 ° of ∠ 80 °, and spacing is respectively 40 ~ 80cm and 30 ~ 100cm.II, III grade of country rock accounts for more than 75% of construction mileage, all needs to carry out photoface exploision, requires high to bursting quality.There is some shortcoming according to traditional setting out method: one is that the setting-out time is longer, affect tunnel operation circulation; Two is oxygen evolution rate lower (adopting traditional centering to draw chi positioning mode etc.), the more difficult control of Tunnel Overbreak & Underbreak; Three is that layout point is less, and workman executes and bores randomness greatly.Therefore tunnel photoface exploision full-automatic big gun hole setting out method directly has influence on tunnel photoface exploision quality and working procedure duration.
Summary of the invention
Goal of the invention of the present invention is the shortcoming in order to overcome above-mentioned background technology, needs according to on-the-spot photoface exploision, has invented a set of high speed, accurate, full-automatic big gun hole setting out method.
Technical scheme of the present invention is: a kind of tunnel photoface exploision full-automatic big gun hole setting out method, the method comprises the steps:
Step one: instrument and equipment and software kit are selected;
Instrument and equipment is selected to mainly contain: to select the total powerstation that can carry out fully-automatic laser non-prism measuring system, supporting transect layout and big gun hole setting-out software, reflecting piece, tripod, single prism group;
Step 2: data inputting;
First the operation in newly-built this tunnel in software, secondly typing tunnel cross-section, tunnel line data and horizontal curve, vertical curve, CAD can be adopted to scheme direct lead-in mode when profile data typing, must note the relation between the selection of datum line and datum line and tunnel line when typing, the last big gun hole data corresponding according to tunnel design of smooth blasting carries out selecting and typing reliever section;
Step 3: setting-out job site, total powerstation full-automatic big gun hole operates;
(1) backsight point is arranged: backsight point adopts a control point and a construction to draw a composition, in Tunnel, control point adopts two-conductor line to arrange, apart from minimum be 150m, be 200m to the maximum, form closed hoop with hole outer conductor accurately to measure, construction is drawn some tunnel in-cavity construction for convenience and is buried underground a little temporarily, be arranged between two control points, be arranged to two point, distance between two points 5m is distributed in center line both sides, tunnel, hole inside conductor point open traverse is utilized to measure, in hole, the measurement of higher degree all adopts three, fourth-order leveling, in tunnel, measurement point protection adopts Φ 100mm steel pipe to protect as casing,
(2) establish station: adopt Free Station mode and resection to establish station efficient and convenient, but will notice that rear intersection point distance must be greater than forward sight and after two, intersection point can not at same straight line, answer minimum 30 ° of selected angle, when maximum 120 °, precision is higher;
Secondly (3) setting-out: first carry out the selection of circuit data, according to explosion design alternative suitable cross-section and periphery hole section and reliever section, finally by the full-automatic big gun hole setting-out of multi-functional excavation stand; In setting-out process when face country rock is poor or in tunnel air quality poor can not reflects laser and measurement data time can realize measuring in conjunction with reflecting piece, and setting-out efficiency can be improved; The mode lengthening spread pen can be taked when adopting spread pen, paint marks point;
(4) technical force's configuration: full-automatic big gun hole setting out method need configure two technical staff, a people puts mirror, a people to backsight and face measuring point mark;
(5) tunnel photoface exploision out break measure: after this circulation setting-out terminates on the quick-fried out break inspection of a circulation light; Adopt section survey software full-automatic or manual random measurement can go out section out break situation, if adopt all automatic measurement pattern automatically to carry out section survey when over excavation and under excavation area is larger, otherwise it is to adopt random detection pattern only to measure owing to dig position that local exists out break, setting-out terminates rear section survey result directly can go out measurement report on computer section software, can control out break better like this and adjust sun-exposed skin in time.
The invention has the beneficial effects as follows: the maximum advantage of the inventive method is to improve setting-out efficiency, control photoface exploision quality, in constructing tunnel, control there is remarkable result for out break.Save skilled workforce compared with the setting out method of traditional big gun hole, reduce tunneling operation circulation timei, effectively control out break, reduce the amount of backbreaking.
Accompanying drawing explanation
Fig. 1 is step schematic diagram of the present invention.
Detailed description of the invention
The present embodiment is a kind of tunnel photoface exploision full-automatic big gun hole setting out method, it is characterized in that the method comprises the steps:
Step one: instrument and equipment and software kit are selected;
Instrument and equipment is selected to mainly contain: to select the total powerstation that can carry out fully-automatic laser non-prism measuring system, supporting transect layout and big gun hole setting-out software, reflecting piece, tripod, single prism group;
Step 2: data inputting;
First the operation in newly-built this tunnel in software, secondly typing tunnel cross-section, tunnel line data and horizontal curve, vertical curve, CAD can be adopted to scheme direct lead-in mode when profile data typing, must note the relation between the selection of datum line and datum line and tunnel line when typing, the last big gun hole data corresponding according to tunnel design of smooth blasting carries out selecting and typing reliever section;
Step 3: setting-out job site, total powerstation full-automatic big gun hole operates;
(1) backsight point is arranged: backsight point adopts a control point and a construction to draw a composition, in Tunnel, control point adopts two-conductor line to arrange, apart from minimum be 150m, be 200m to the maximum, form closed hoop with hole outer conductor accurately to measure, construction is drawn some tunnel in-cavity construction for convenience and is buried underground a little temporarily, be arranged between two control points, be arranged to two point, distance between two points 5m is distributed in center line both sides, tunnel, hole inside conductor point open traverse is utilized to measure, in hole, the measurement of higher degree all adopts three, fourth-order leveling, in tunnel, measurement point protection adopts Φ 100mm steel pipe to protect as casing,
(2) establish station: adopt Free Station mode and resection to establish station efficient and convenient, but will notice that rear intersection point distance must be greater than forward sight and after two, intersection point can not at same straight line, answer minimum 30 ° of selected angle, when maximum 120 °, precision is higher;
Secondly (3) setting-out: first carry out the selection of circuit data, according to explosion design alternative suitable cross-section and periphery hole section and reliever section, finally by the full-automatic big gun hole setting-out of multi-functional excavation stand; In setting-out process when face country rock is poor or in tunnel air quality poor can not reflects laser and measurement data time can realize measuring in conjunction with reflecting piece, and setting-out efficiency can be improved; The mode lengthening spread pen can be taked when adopting spread pen, paint marks point;
(4) technical force's configuration: full-automatic big gun hole setting out method need configure two technical staff, a people puts mirror, a people to backsight and face measuring point mark;
(5) tunnel photoface exploision out break measure: after this circulation setting-out terminates on the quick-fried out break inspection of a circulation light; Adopt section survey software full-automatic or manual random measurement can go out section out break situation, if adopt all automatic measurement pattern automatically to carry out section survey when over excavation and under excavation area is larger, otherwise it is to adopt random detection pattern only to measure owing to dig position that local exists out break, setting-out terminates rear section survey result directly can go out measurement report on computer section software, can control out break better like this and adjust sun-exposed skin in time.
Claims (1)
1. a tunnel photoface exploision full-automatic big gun hole setting out method, is characterized in that the method comprises the steps:
Step one: instrument and equipment and software kit are selected
Instrument and equipment is selected to mainly contain: to select the total powerstation that can carry out fully-automatic laser non-prism measuring system, supporting transect layout and big gun hole setting-out software, reflecting piece, tripod, single prism group;
Step 2: data inputting
First the operation in newly-built this tunnel in software, secondly typing tunnel cross-section, tunnel line data and horizontal curve, vertical curve, adopt CAD to scheme direct lead-in mode when profile data typing, must note the relation between the selection of datum line and datum line and tunnel line when typing, the last big gun hole data corresponding according to tunnel design of smooth blasting carries out selecting and typing reliever section;
Step 3: setting-out job site, total powerstation full-automatic big gun hole operates
(1) backsight point is arranged: backsight point adopts a control point and a construction to draw a composition, in Tunnel, control point adopts two-conductor line to arrange, apart from minimum be 150m, be 200m to the maximum, form closed hoop with hole outer conductor accurately to measure, construction is drawn some tunnel in-cavity construction for convenience and is buried underground a little temporarily, be arranged between two control points, be arranged to two point, distance between two points 5m is distributed in center line both sides, tunnel, hole inside conductor point open traverse is utilized to measure, in hole, the measurement of higher degree all adopts three, fourth-order leveling, in tunnel, measurement point protection adopts Φ 100mm steel pipe to protect as casing,
(2) establish station: adopt Free Station mode and resection to establish station efficient and convenient, but will notice that rear intersection point distance must be greater than forward sight and after two, intersection points can not at same straight line, when answering selected angle 30 ° ~ 120 °, precision is higher;
Secondly (3) setting-out: first carry out the selection of circuit data, according to explosion design alternative suitable cross-section and periphery hole section and reliever section, finally by the full-automatic big gun hole setting-out of multi-functional excavation stand; In setting-out process when face country rock is poor or in tunnel air quality poor can not reflects laser and measurement data time can realize measuring in conjunction with reflecting piece, and setting-out efficiency can be improved; The mode lengthening spread pen is taked when adopting spread pen, paint marks point;
(4) technical force's configuration: full-automatic big gun hole setting out method need configure two technical staff, a people puts mirror, a people to backsight and face measuring point mark;
(5) tunnel photoface exploision out break measure: after this circulation setting-out terminates on the quick-fried out break inspection of a circulation light; Adopt section survey software full-automatic or manual random measurement can go out section out break situation, if adopt all automatic measurement pattern automatically to carry out section survey when over excavation and under excavation area is larger, otherwise local adopts random detection pattern only to measure owing to dig position when there is out break, setting-out terminates rear section survey result and directly go out measurement report on computer section software, can control out break better like this and adjust sun-exposed skin in time.
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| CN108362215B (en) * | 2017-10-09 | 2021-07-16 | 同济大学 | Automatic deformation monitoring system and method for free station setting of multiple measuring robots |
| CN107816981A (en) * | 2017-10-20 | 2018-03-20 | 中建三局第建设工程有限责任公司 | Tunnel intelligent construction survey setting out method based on BIM |
| CN108387221A (en) * | 2018-01-17 | 2018-08-10 | 西安理工大学 | A kind of tunnel excavation speedy lofting device and setting out method |
| CN108398064A (en) * | 2018-03-21 | 2018-08-14 | 福建海峡科化富兴建设工程有限公司 | A kind of room-and-pillar method goaf partition board construction of explosion setting out method |
| CN109000526B (en) * | 2018-08-21 | 2021-04-20 | 四川中鼎***工程有限公司 | Total station lofting hole distribution method |
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| CN101487376A (en) * | 2009-02-14 | 2009-07-22 | 中国葛洲坝集团股份有限公司 | One-time excavation construction method for large-diameter large-depth pressure regulating well pilot shaft |
| CN102679826A (en) * | 2012-03-27 | 2012-09-19 | 中钢集团武汉安全环保研究院有限公司 | Method for precisely excavating directional window on high and large concrete chimney |
| CN103017620A (en) * | 2012-11-28 | 2013-04-03 | 泰兴市第一建筑安装工程有限公司 | Controlled blasting construction method for rock foundation pit |
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