CN103983148A - Full-automatic blast hole setting-out method for tunnel smooth surface blasting - Google Patents
Full-automatic blast hole setting-out method for tunnel smooth surface blasting Download PDFInfo
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- CN103983148A CN103983148A CN201410167544.7A CN201410167544A CN103983148A CN 103983148 A CN103983148 A CN 103983148A CN 201410167544 A CN201410167544 A CN 201410167544A CN 103983148 A CN103983148 A CN 103983148A
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Abstract
The invention discloses a full-automatic blast hole setting-out method for tunnel smooth surface blasting. The method mainly comprises three steps, i.e. instrument equipment and matched software selection, data entry and total station full-automatic blast hole setting-out construction site operation. The method disclosed by the invention has the major advantages that the setting-out efficiency is improved, the smooth surface blasting quality is controlled and the effect of overbreak and underbreak control in tunnel construction is remarkable; compared with the traditional blast hole setting-out method, the skilled labor force is saved, the tunnel operation cycle time is reduced, the overbreak and the underbreak are effectively controlled and the overbreak quantity is reduced.
Description
Technical field
The present invention relates to blasting method, relate in particular to a kind of full-automatic big gun hole setting out method in tunnel employing photoface exploision digging process.
Background technology
Most constructing tunnel still adopts Mining Method, and artificial steel tape is measured the method for explosion periphery hole.In the construction of the curved tunnel of growing up, the requirement that the method more and more can not meet fast, become more meticulous and construct.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 grown, and master joint occurrence is 80 ° of 75 ° of 240 ° of ∠ and 95 ° of ∠, and spacing is respectively 40～80cm and 30～100cm.II, III level country rock account for construction the more than 75% of mileage, all need to carry out photoface exploision, to bursting quality, require high.If adopt traditional setting out method to have some shortcoming: the one, the setting-out time is longer, affects tunnel operation circulation; The 2nd, setting-out precision lower (adopting traditional centering to draw chi positioning mode etc.), the more difficult control of Tunnel Overbreak & Underbreak; The 3rd, layout point is less, and workman executes and bores randomness greatly.Therefore the full-automatic big gun of tunnel photoface exploision 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 in order to overcome the shortcoming of above-mentioned background technology, according to on-the-spot photoface exploision, needs, and has invented a set of high speed, accurate, full-automatic big gun hole setting out method.
Technical scheme of the present invention is: the full-automatic big gun of a kind of tunnel photoface exploision hole setting out method, the method comprises the steps:
Step 1: instrument and equipment and software kit are selected;
Select instrument and equipment to mainly contain: to select and can carry out the total powerstation of 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 typing;
First the operation in newly-built this tunnel in software, secondly typing tunnel cross-section, tunnel line data are horizontal curve, vertical curve, when profile data typing, can adopt CAD to scheme direct lead-in mode, when typing, must note the selection of datum line and the relation between datum line and tunnel line, finally according to the corresponding big gun hole data of tunnel design of smooth blasting, select and typing reliever section;
Step 3: setting-out job site, the full-automatic big gun of total powerstation hole operation;
(1) backsight point setting: backsight point adopts a control point and a construction to draw a composition, in Tunnel, control point adopts two-conductor line setting, distance minimum is 150m, be 200m to the maximum, forming closed hoop with hole outer conductor accurately measures, 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, utilize hole inside conductor point open traverse 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 to be that station is established in resection efficient and convenient, but will notice that rear intersection point distance must be greater than forward sight and two rear intersection points can not be answered minimum 30 ° of selected angle at same straight line, in the time of maximum 120 °, precision is higher;
(3) setting-out: first carrying out the selection of circuit data, is secondly periphery hole section and reliever section according to the suitable section of explosion design alternative, finally by the hole setting-out of the full-automatic big gun of multi-functional excavation stand; In setting-out process when face country rock is poor or tunnel in air quality is poor in conjunction with reflecting piece, can realize measurement can not reflect laser and measurement data time, and can improve setting-out efficiency; When adopting spread pen, paint gauge point, can take to lengthen the mode of spread pen;
(4) technical force's configuration: full-automatic big gun hole setting out method need configure two technical staff, and a people puts mirror, a people to backsight and face measuring point mark;
(5) photoface exploision out break in tunnel is measured: after this circulation setting-out finishes on the quick-fried out break inspection of a circulation light; Adopt section survey software can be full-automatic or manual random measurement go out section out break situation, if adopt all automatic measurement pattern when over excavation and under excavation area is larger, automatically carry out section survey, it is to adopt random detecting pattern only to owing to dig position, to measure that otherwise part exists out break, setting-out finishes rear section survey result can directly go out measurement report on computer section software, can control better like this out break and adjust in time the quick-fried parameter of light.
The invention has the beneficial effects as follows: the advantage of the inventive method maximum is to improve setting-out efficiency, controls photoface exploision quality, in constructing tunnel, for out break, controls and has remarkable result.Compare and save skilled workforce, reduce tunneling operation circulation timei with traditional big gun hole setting out method, effectively control out break, reduce the amount of backbreaking.
Accompanying drawing explanation
Fig. 1 is step schematic diagram of the present invention.
The specific embodiment
The present embodiment is the full-automatic big gun of a kind of tunnel photoface exploision hole setting out method, it is characterized in that the method comprises the steps:
Step 1: instrument and equipment and software kit are selected;
Select instrument and equipment to mainly contain: to select and can carry out the total powerstation of 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 typing;
First the operation in newly-built this tunnel in software, secondly typing tunnel cross-section, tunnel line data are horizontal curve, vertical curve, when profile data typing, can adopt CAD to scheme direct lead-in mode, when typing, must note the selection of datum line and the relation between datum line and tunnel line, finally according to the corresponding big gun hole data of tunnel design of smooth blasting, select and typing reliever section;
Step 3: setting-out job site, the full-automatic big gun of total powerstation hole operation;
(1) backsight point setting: backsight point adopts a control point and a construction to draw a composition, in Tunnel, control point adopts two-conductor line setting, distance minimum is 150m, be 200m to the maximum, forming closed hoop with hole outer conductor accurately measures, 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, utilize hole inside conductor point open traverse 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 to be that station is established in resection efficient and convenient, but will notice that rear intersection point distance must be greater than forward sight and two rear intersection points can not be answered minimum 30 ° of selected angle at same straight line, in the time of maximum 120 °, precision is higher;
(3) setting-out: first carrying out the selection of circuit data, is secondly periphery hole section and reliever section according to the suitable section of explosion design alternative, finally by the hole setting-out of the full-automatic big gun of multi-functional excavation stand; In setting-out process when face country rock is poor or tunnel in air quality is poor in conjunction with reflecting piece, can realize measurement can not reflect laser and measurement data time, and can improve setting-out efficiency; When adopting spread pen, paint gauge point, can take to lengthen the mode of spread pen;
(4) technical force's configuration: full-automatic big gun hole setting out method need configure two technical staff, and a people puts mirror, a people to backsight and face measuring point mark;
(5) photoface exploision out break in tunnel is measured: after this circulation setting-out finishes on the quick-fried out break inspection of a circulation light; Adopt section survey software can be full-automatic or manual random measurement go out section out break situation, if adopt all automatic measurement pattern when over excavation and under excavation area is larger, automatically carry out section survey, it is to adopt random detecting pattern only to owing to dig position, to measure that otherwise part exists out break, setting-out finishes rear section survey result can directly go out measurement report on computer section software, can control better like this out break and adjust in time the quick-fried parameter of light.
Claims (1)
1. the full-automatic big gun of a tunnel photoface exploision hole setting out method, is characterized in that the method comprises the steps:
Step 1: instrument and equipment and software kit are selected
Select instrument and equipment to mainly contain: to select and can carry out the total powerstation of 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 typing
First the operation in newly-built this tunnel in software, secondly typing tunnel cross-section, tunnel line data are horizontal curve, vertical curve, when profile data typing, can adopt CAD to scheme direct lead-in mode, when typing, must note the selection of datum line and the relation between datum line and tunnel line, finally according to the corresponding big gun hole data of tunnel design of smooth blasting, select and typing reliever section;
Step 3: setting-out job site, the full-automatic big gun of total powerstation hole operation
(1) backsight point setting: backsight point adopts a control point and a construction to draw a composition, in Tunnel, control point adopts two-conductor line setting, distance minimum is 150m, be 200m to the maximum, forming closed hoop with hole outer conductor accurately measures, 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, utilize hole inside conductor point open traverse 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 to be that station is established in resection efficient and convenient, but will notice that rear intersection point distance must be greater than forward sight and two rear intersection points can not be answered minimum 30 ° of selected angle at same straight line, in the time of maximum 120 °, precision is higher;
(3) setting-out: first carrying out the selection of circuit data, is secondly periphery hole section and reliever section according to the suitable section of explosion design alternative, finally by the hole setting-out of the full-automatic big gun of multi-functional excavation stand; In setting-out process when face country rock is poor or tunnel in air quality is poor in conjunction with reflecting piece, can realize measurement can not reflect laser and measurement data time, and can improve setting-out efficiency; When adopting spread pen, paint gauge point, can take to lengthen the mode of spread pen;
(4) technical force's configuration: full-automatic big gun hole setting out method need configure two technical staff, and a people puts mirror, a people to backsight and face measuring point mark;
(5) photoface exploision out break in tunnel is measured: after this circulation setting-out finishes on the quick-fried out break inspection of a circulation light; Adopt section survey software can be full-automatic or manual random measurement go out section out break situation, if adopt all automatic measurement pattern when over excavation and under excavation area is larger, automatically carry out section survey, it is to adopt random detecting pattern only to owing to dig position, to measure that otherwise part exists out break, setting-out finishes rear section survey result can directly go out measurement report on computer section software, can control better like this out break and adjust in time the quick-fried parameter of light.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN108362215A (en) * | 2017-10-09 | 2018-08-03 | 同济大学 | Automatic deformation monitoring system and method for a variety of robot measurement Free Stations |
| 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 |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108362215A (en) * | 2017-10-09 | 2018-08-03 | 同济大学 | Automatic deformation monitoring system and method for a variety of robot measurement Free Stations |
| 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 |
| 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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| CN103983148B (en) | 2015-10-07 |
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