CN104674819A - Informatized construction method of high expressway slope - Google Patents
Informatized construction method of high expressway slope Download PDFInfo
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- CN104674819A CN104674819A CN201510042680.8A CN201510042680A CN104674819A CN 104674819 A CN104674819 A CN 104674819A CN 201510042680 A CN201510042680 A CN 201510042680A CN 104674819 A CN104674819 A CN 104674819A
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Abstract
The invention discloses an informatized construction method of a high expressway slope. The informatized construction method includes a series of steps of construction preparation, measurement and sampling, slope construction and repair, soil and stone transport, slope detection and protection greening construction. The slope construction step includes reinforcing a slope in advance, blasting and excavating and timely supporting. The slope detection step integrates the modern numerical simulation technology and the on-site monitoring technology, mutual feedback among the construction process, numerical simulation and on-site monitoring is accurately guaranteed and the excavating-monitoring-optimizing-re-excavating-re-monitoring informatized construction method is formed, so that safety and reliability of projects are ensured. The informatized construction method has the advantages of safety in construction and low construction cost and is applicable to high roadbed slope having high gradient and scattered rocks and rock-based high slope projects with very developed/developed/better developed structural side and developed cracks.
Description
Technical field
The present invention relates to slope excavation technical field, specifically a kind of information-aided construction method of High Slope on Expressway.
Background technology
High slope typically refers to the soil-slope of height between 20 meters to 100 meters or the rock side slope highly between 30 meters to 100 meters, Upon Slope Stability is produced important function and impact by its slope height factor, and its Analysis of Slope Stability and protective reinforcing engineering design should carry out indivedual or special designing and calculating.
At present, the digging mode of rockmass high slope mainly contains the piled anchor construction method of step Presplitting Blasting Excavation method and " above protecting lower gear " system.Traditional Presplitting Blasting Excavation method will make loose cracked rock mass further loosen, and the lithology of slope rock mass is more deteriorated.The piled anchor construction method of system of " above protecting lower gear " is complicated, and cost is higher, and has construction hidden danger.So, in the work progress of side slope, need to control well the development of slope rock mass internal construction face, appropriate design excavation step, carry out its support reinforcement measure of side slope, and carry out monitoring and data analysis in work progress, accomplish the prediction to disaster accident, ensure the safety of engineering.
Summary of the invention
The object of the present invention is to provide a kind of information-aided construction method of High Slope on Expressway, combine modern numerical analogue technique and field monitoring, accurately ensure that the phase mutual feedback between work progress, numerical simulation, field monitoring three, thus define the information-aided construction method of a kind of excavation-monitoring-optimization-excavate again-monitor again, guarantee the safe and reliable of engineering, be applicable to the roadbed high slope of larger, the loose cracked rock mass of the gradient; Structural plane is grown, and the rockmass high slope engineering of crack prosperity.
For achieving the above object, the invention provides following technical scheme:
An information-aided construction method for High Slope on Expressway, comprises the following steps:
(1) preparation of construction: scene is cleared up according to site requirements, smooth;
(2) surveying and locating: the original place upper thread of measure field, according to the slope excavation line position coordinate in slope construction figure, design sideline and Coordinate of central line to be applied on original ground and to close with traverse station control point, its relative closing error meets K=< 1/15000, bench mark closing error < ± 20
, wherein L is total length from start to end; Then carry out unwrapping wire on the spot, determine catchwater excavation position;
(3) slope construction: comprise grouting and reinforcing, Blasting Excavation, check side slope;
(4) slope trimming: after slope excavation completes, repairs side slope, divides slightly whole and refine to carry out for twice, to ensure the gradient of side slope; While slope trimming, by numerical simulation and field monitoring two kinds of modes, early warning and monitoring are carried out to the disaster of side slope, concrete operations are as follows: according to the longitudinal and transverse sectional drawing of field investigation result and geology, D D E M analysis software is utilized to set up Three-dimensional simulation structural model, and the rock displacement in side slope digging process, STRESS VARIATION situation are predicted, thus infer the deformation and stress development trend of side slope in digging process; According to the analog result of D D E M analysis software, determine field monitoring point layout scheme, carry out field monitoring according to project of network field monitoring point; Contrast field monitoring and numerical simulation result, the accuracy by the data result checking numerical simulation analysis of field monitoring: if numerical simulation analysis is accurate, then draw layout of the monitoring points prioritization scheme further by numerical simulation; If field monitoring result and Analysis results of numerical simulation different, then adjust choosing of parameters for numerical simulation by the data of field monitoring, to propose new layout of the monitoring points prioritization scheme;
(5) soil, building stones transport: soil, building stones that detecting step (4) obtains, can judgement using this soil, building stones as roadbed filling, if energy, then be transported to embankment section as roadbed filling; If can not, then soil, building stones are transported to the location not hindering construction;
(6) whether qualifiedly side slope is detected: if side slope is qualified, then enter subsequent processing; If side slope is defective, repeat step (4) and (5);
(7) protecting and greening construction: after slope construction is qualified, slope construction face is carried out the construction of protecting and greening;
(8) next stage slope construction: after one-level slope construction, detection and protecting and greening construction, carry out the construction of next stage side slope, repeat step (3)-step (7), until complete the construction of whole High Slope on Expressway, detection and protecting and greening construction.
As the further scheme of the present invention: described grouting and reinforcing comprises the following steps: 1.0 meters of inside domatic excavation line, along the downward bored grouting of excavation face, the inclination angle of injected hole is identical with the design slope angle of side slope, then cement mortar is injected to injected hole, make slurries be diffused in cracked rock mass, form consolidation composite bed.
As the further scheme of the present invention: described Blasting Excavation comprises the following steps: after the consolidation composite bed consolidation in grouting and reinforcing step, carry out Presplitting Blasting Excavation to side slope, the position of borehole is arranged on parallel, horizontal distance 6.0-8.0 rice of distance injected hole.
As the further scheme of the present invention: described in check side slope and comprise the following steps: after Blasting Excavation completes, soil, the cubic meter of stone are cleared up, check the excavation line of side slope; After the excavation of first order side slope completes, in time domatic supporting is carried out to it.
As the further scheme of the present invention: in described step (4), what numerical simulation adopted is 3DEC D D E M analysis software, for simulating the excavation of slope rock mass.
As the further scheme of the present invention: in described step (4), the instrument that described field monitoring adopts comprises total powerstation and level gauge.
As the further scheme of the present invention: in described step (4), described monitoring point be according to design scheme from side slope center line along line direction arrange.
As the further scheme of the present invention: the distance between described monitoring point is 10 meters.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention had both been suitable for modern mechanical execution, the impact of shock wave when cracked rock mass can be avoided again to be well subject to explosion, and can play good supporting and reinforcement effect to domatic.Invention enhances construction effect, while the structural stability protecting original rock mass, turn improve the new structural stability forming side slope; The present invention has introduced numerical simulation and provides theory support for slope construction excavation, adopts again field monitoring data as the check data of theory simultaneously, defines the Modern Construction method of slope excavation, numerical simulation and field monitoring triplicity.
Present invention incorporates modern numerical analogue technique and field monitoring, accurately ensure that the phase mutual feedback between work progress, numerical simulation, field monitoring three, thus guarantee the safe and reliable of engineering.The present invention is applicable to the roadbed high slope of larger, the loose cracked rock mass of the gradient; Structural plane reaches full growth, and the rockmass high slope engineering of crack prosperity.General process height can reach 40 meters, and grade of side slope can reach 75 °.
The present invention, after one-level side slope completes construction, carries out domatic supporting immediately, thus controls the stability of this grade of side slope well, reduce simultaneously excavation next stage side slope time because explosion is to the disturbing influence of upper level side slope, the generation of engineering accident can be prevented.
Accompanying drawing explanation
Fig. 1 is a kind of process chart of information-aided construction method of High Slope on Expressway;
Fig. 2 is the construction schematic diagram of the longitudinal excavating load of passage;
Fig. 3 is a kind of layout of the monitoring points schematic diagram of information-aided construction method of High Slope on Expressway.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention and accompanying drawing, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
Refer to Fig. 1-Fig. 3, in the embodiment of the present invention, a kind of information-aided construction method of High Slope on Expressway, comprises the following steps:
(1) preparation of construction: scene is cleared up according to site requirements, smooth;
(2) surveying and locating: the original place upper thread of measure field, according to the slope excavation line position coordinate in slope construction figure, design sideline and Coordinate of central line to be applied on original ground and to close with traverse station control point, its relative closing error meets K=< 1/15000, bench mark closing error < ± 20
, wherein L is total length from start to end; Then carry out unwrapping wire on the spot, determine catchwater excavation position;
(3) slope construction: comprise grouting and reinforcing, Blasting Excavation, check side slope, concrete steps are as follows:
1) grouting and reinforcing: 1.0 meters of inside the excavation line of side slope, GX-200 type rig is utilized laterally to hole injection cement mortar along excavation face at interval of 2.0 meters downwards, the inclination angle of injected hole is identical with the design slope angle of side slope, water/binder ratio is 1:1, make slurries be diffused in cracked rock mass, form one deck and there is certain thickness composite bed;
2) Blasting Excavation: arrive after certain intensity until the composite bed in grouting and reinforcing step, Blasting Excavation is carried out to side slope, the position of borehole is arranged on parallel, horizontal distance 6.0-8.0 rice of distance injected hole;
3) check side slope: after Blasting Excavation completes, soil, the cubic meter of stone are cleared up, checks the excavation line of side slope; After the excavation of first order side slope completes, in time domatic supporting is carried out to it.
According to ground of cross section repetition measurement figure and Slope Design figure, take layering from top to bottom to indulge construction that the method for digging carries out cutting excavation, excavation one-level protection one-level, guarantees cutting excavation stability of slope; According to the degree of depth of cutting excavation, longitudinal length and construction condition, the vertical method of digging of layering from top to bottom is specifically divided into following three kinds of modes:
1. generally short and shallow cutting is taked horizontal overall with once to excavate to put in place;
2. for the heavy cut that length is shorter, with the horizontal full duration mining method construction of multilayer, layering is horizontal digs work plane longitudinal extension, and multilayer is slagged tap.The construction process of the horizontal full duration mining method of multilayer is: preparation of construction, place cleaning → soil test, determine side slope rate and excavate thickness → construction lofting and carry out draining arrange → excavate or blast and longitudinally allocate and transport to assigned address → upper strata construction to certain length, namely carry out lower floor's construction → multilayer excavation to carry out simultaneously, and longitudinally allocation and transportation progressively terminate to assigned address → slope test, protection → multilayer excavation, reach design altitude → examination → next construction of road cutting (every one deck construction all should carry out drainage system at any time);
3. for longer heavy cut, according to the difference of cutting depth and width, horizontal excavation, longitudinal layered excavation, vertical passage can be taked to excavate and mix the modes such as excavation to construct, preferred passage is vertical digs method construction, i.e. longitudinally layering, first digs a passage, then both sides is excavated, passage can be used as construction machinery and haulage vehicle and to pass through circuit, and this method can increase the scope of operation, accelerating construction progress.If cutting is very long, then can excavate from cutting two ends simultaneously.As shown in Figure 2, the construction process of the longitudinal excavating load of passage is: preparation of construction, place cleaning → soil test, determine side slope rate and excavation thickness → construction lofting, drainage system arrange → excavate upper channel → passage and dig to side slope place → excavation lower channel → passage digs to side slope place → inspects for acceptance, and carries out side slope protection → be excavated to design altitude → next construction of road cutting (every one deck is constructed all should carry out drainage system at any time) step by step step by step;
For softer rock excavation, employing bulldozer, excavator excavate and are aided with part artificial construction, and implement medium and small controlled blasting to harder rock, layering is excavated, and every thickness is no more than one-level slope height.For avoiding disturbance domatic, adopt the quick-fried layer of light that reserved thickness is not less than 3 meters.
(4) slope trimming: after slope excavation completes, also need to repair it, concrete operating procedure is as follows:
The slope trimming in deep desulphurization location, adopts whole section of classification process.According to soil, the stone situation of excavation, undertaken repairing, reinforcing by design drawing.Namely, after first step soil, the cubic meter of stone complete, shoveling, stone operating personnel proceed to second longitudinal flowing water section construction, and at this moment the first platform side slope trimming operations personnel start to rebuild this part side slope.After second longitudinal flowing water section soil, the cubic meter of stone complete, operating personnel proceeds to the 3rd longitudinal cross construction soil, the cubic meter of stone, at this moment first step slope trimming personnel proceed to the whole operation of the second platform, slope reinforcement personnel start the strengthening construction of first step side slope, circulate according to this, until all side slope protection engineering completes.Especially it should be noted that the smoother excessive section of 10 ~ 20 meters will be arranged in change place of side slope rate, keep linear attractive in appearance and be convenient to later stage drainage construction.
While slope trimming, by numerical simulation and field monitoring two kinds of modes, early warning and monitoring are carried out to the disaster of side slope, concrete operations are as follows: according to the longitudinal and transverse sectional drawing of field investigation result and geology, 3DEC D D E M analysis software is utilized to set up Three-dimensional simulation structural model, rock displacement in side slope digging process, STRESS VARIATION situation are predicted, thus infers the deformation and stress development trend of side slope in digging process; From the analog result of 3DEC D D E M analysis software, find rock side slope to be subject to the larger sensitive part of slope project excavation disturbance, then by carrying out the resistance to overturning that effective field monitoring can reflect this rock side slope to these keypoint parts; And for being subject to the less position of excavation disturbance, only need a small amount of on-the-spot monitoring point of laying, to be monitored by the instrument such as total powerstation and level gauge.
As shown in Figure 3, example is detected as with second level side slope, before first order slope project excavation, first in fourth stage side slope, from side slope center line, a monitoring point is set according to design scheme along every 10 meters of line direction, namely in the monitoring point, 5,50 meters of sections that numerical simulation is chosen, after first order slope project has excavated, by the field monitoring to monitoring point in first order side slope, obtain the impact of slope project construction disturbance on slope deforming.Meanwhile, second level side slope arranges a monitoring point from side slope center line along every 10 meters of line direction according to design scheme, after second level slope excavation completes, observes the change in displacement of the monitoring point that first, second grade of side slope is laid at once.
The accuracy of the numerical simulation analysis before the present invention can be verified by the data result of field monitoring: if numerical simulation analysis is accurate, the layout of the monitoring points prioritization scheme that then can be drawn by numerical simulation, reduce the laying of monitoring point, make monitoring more efficient, economical; If field monitoring result and Analysis results of numerical simulation different, then can carry out choosing of redjustment and modification parameters for numerical simulation by the data of field monitoring, make it more close to on-site actual situations; New layout of the monitoring points prioritization scheme is reintroduced after adjustment.
The side slopes at different levels excavated afterwards, after completing according to second level slope excavation equally, monitoring situation and numerical simulation carry out contrast verification, and then continue to optimize.Therefore, the detection adopting numerical simulation and field monitoring two kinds of modes to carry out side slope is a process of excavate-monitor-optimize-excavate-monitoring again dynamically.
(5) soil, building stones transport: soil, building stones that detecting step (4) obtains, can judgement using this soil, building stones as roadbed filling, if energy, then be transported to embankment section as roadbed filling; If can not, then soil, building stones are transported to the location not hindering construction;
(6) whether qualifiedly side slope is detected: if side slope is qualified, then enter subsequent processing; If side slope is defective, repeat step (4) and (5);
(7) protecting and greening construction: after slope construction is qualified, slope construction face is carried out the construction of protecting and greening;
(8) next stage slope construction: after upper level slope construction, detection and protecting and greening construction, carry out the construction of next stage side slope, repeat step (3)-step (7), until complete the construction of whole High Slope on Expressway, detection and protecting and greening construction.
Below the parameter of the several main side slope of being constructed by this method:
(1) K57+309-K57+500 section right edge designs most high slope 25.769 meters, is positioned at section, comprehensive ratio of slope 1:1.312.Side slope classification height 8 meters, berm width 2 meters.First order slope gradient is 1:1.00; Second level slope gradient is 1:1.25; Third level slope gradient is 1:1.5; Fourth stage slope gradient is 1:1.5.Side slope protection form is active network protection.
(2) K58+263-K58+640 section right edge designs most high slope 27.783 meters, is positioned at section, comprehensive ratio of slope 1:1.062.Side slope classification height 10 meters, berm width 2 meters.First order slope gradient is 1:0.75; Second level slope gradient is 1:0.75; Third level slope gradient is 1:1.25; Fourth stage slope gradient is 1:1.5.Side slope protection form is active network protection.
(3) K64+590-K64+730 section right edge designs most high slope 18.480 meters, is positioned at section, comprehensive ratio of slope 1:1.062.Side slope classification height 8 meters, berm width 2 meters.First order slope gradient is 1:1.00; Second level slope gradient is 1:1.25.Side slope protection form is active network protection.
It should be noted that, numerical simulation means-3DEC D D E M the analysis software that the embodiment of the present invention adopts, from analytic function angle, the numerical simulation software adopted only needs the calculating analysis software can simulating rock mass structure region feature, symbolize jointed rock mass Stress and displacement etc. in work progress, namely meet back analysis and the different schemes optimization of monitored data.If software has to upgrade version or meet analyze numerical software.
The present invention had both been suitable for modern mechanical execution, the impact of shock wave when cracked rock mass can be avoided again to be well subject to explosion, and can play good supporting and reinforcement effect to domatic.Invention enhances construction effect, while the structural stability protecting original rock mass, turn improve the new structural stability forming side slope; The present invention has introduced numerical simulation and provides theory support for slope construction excavation, adopts again field monitoring data as the check data of theory simultaneously, defines the Modern Construction method of slope excavation, numerical simulation and field monitoring triplicity.
Present invention incorporates modern numerical analogue technique and field monitoring, accurately ensure that the phase mutual feedback between work progress, numerical simulation, field monitoring three, thus guarantee the safe and reliable of engineering.The present invention is applicable to the roadbed high slope of larger, the loose cracked rock mass of the gradient; Structural plane reaches full growth, and the rockmass high slope engineering of crack prosperity.General process height can reach 80 meters, and grade of side slope can reach 75 °.
The present invention, after one-level side slope completes construction, carries out domatic supporting immediately, thus controls the stability of this grade of side slope well, reduce simultaneously excavation next stage side slope time because explosion is to the disturbing influence of upper level side slope, the generation of engineering accident can be prevented.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this manual is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of manual is only for clarity sake, those skilled in the art should by manual integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (8)
1. an information-aided construction method for High Slope on Expressway, is characterized in that, comprise the following steps:
(1) preparation of construction: scene is cleared up according to site requirements, smooth;
(2) surveying and locating: the original place upper thread of measure field, according to the slope excavation line position coordinate in slope construction figure, design sideline and Coordinate of central line to be applied on original ground and to close with traverse station control point, its relative closing error meets K=< 1/15000, bench mark closing error < ± 20
, wherein L is total length from start to end; Then carry out unwrapping wire on the spot, determine catchwater excavation position;
(3) slope construction: comprise grouting and reinforcing, Blasting Excavation, check side slope;
(4) slope trimming: after slope excavation completes, repairs side slope, divides slightly whole and refine to carry out for twice, to ensure the gradient of side slope; While slope trimming, by numerical simulation and field monitoring two kinds of modes, early warning and monitoring are carried out to the disaster of side slope, concrete operations are as follows: according to the longitudinal and transverse sectional drawing of field investigation result and geology, D D E M analysis software is utilized to set up Three-dimensional simulation structural model, and the rock displacement in side slope digging process, STRESS VARIATION situation are predicted, thus infer the deformation and stress development trend of side slope in digging process; According to the analog result of D D E M analysis software, determine field monitoring point layout scheme, carry out field monitoring according to project of network field monitoring point; Contrast field monitoring and numerical simulation result, the accuracy by the data result checking numerical simulation analysis of field monitoring: if numerical simulation analysis is accurate, then draw layout of the monitoring points prioritization scheme further by numerical simulation; If field monitoring result and Analysis results of numerical simulation different, then adjust choosing of parameters for numerical simulation by the data of field monitoring, to propose new layout of the monitoring points prioritization scheme;
(5) soil, building stones transport: soil, building stones that detecting step (4) obtains, can judgement using this soil, building stones as roadbed filling, if energy, then be transported to embankment section as roadbed filling; If can not, then soil, building stones are transported to the location not hindering construction;
(6) whether qualifiedly side slope is detected: if side slope is qualified, then enter subsequent processing; If side slope is defective, repeat step (4) and (5);
(7) protecting and greening construction: after slope construction is qualified, slope construction face is carried out the construction of protecting and greening;
(8) next stage slope construction: after one-level slope construction, detection and protecting and greening construction, carry out the construction of next stage side slope, repeat step (3)-step (7), until complete the construction of whole High Slope on Expressway, detection and protecting and greening construction.
2. the information-aided construction method of High Slope on Expressway according to claim 1, it is characterized in that, described grouting and reinforcing comprises the following steps: 1.0 meters of inside domatic excavation line, along the downward bored grouting of excavation face, the inclination angle of injected hole is identical with the design slope angle of side slope, then inject cement mortar to injected hole, make slurries be diffused in cracked rock mass, form consolidation composite bed.
3. the information-aided construction method of High Slope on Expressway according to claim 1, it is characterized in that, described Blasting Excavation comprises the following steps: after the consolidation composite bed consolidation in grouting and reinforcing step, carry out Presplitting Blasting Excavation to side slope, the position of borehole is arranged on parallel, horizontal distance 6.0-8.0 rice of distance injected hole.
4. the information-aided construction method of High Slope on Expressway according to claim 1, is characterized in that, described in check side slope and comprise the following steps: after Blasting Excavation completes, soil, the cubic meter of stone are cleared up, check the excavation line of side slope; After the excavation of first order side slope completes, in time domatic supporting is carried out to it.
5. the information-aided construction method of High Slope on Expressway according to claim 1, is characterized in that, in described step (4), what numerical simulation adopted is 3DEC D D E M analysis software, for simulating the excavation of slope rock mass.
6. the information-aided construction method of High Slope on Expressway according to claim 1, is characterized in that, in described step (4), the instrument that described field monitoring adopts comprises total powerstation and level gauge.
7. the information-aided construction method of High Slope on Expressway according to claim 1, is characterized in that, in described step (4), described monitoring point be according to design scheme from side slope center line along line direction arrange.
8. the information-aided construction method of High Slope on Expressway according to claim 7, is characterized in that, the distance between described monitoring point is 10 meters.
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| CN105115838A (en) * | 2015-08-28 | 2015-12-02 | 重庆交通大学 | Protection method for fracture-containing rock slope under strong earthquake |
| CN106368224A (en) * | 2016-10-14 | 2017-02-01 | 江苏建筑职业技术学院 | Graded slope reinforcing reverse construction method for high slope under complicated geology |
| CN107490368A (en) * | 2017-08-02 | 2017-12-19 | 上海华测导航技术股份有限公司 | A kind of side slope setting-out system and method |
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| CN111502715A (en) * | 2020-05-29 | 2020-08-07 | 中铁第六勘察设计院集团有限公司 | Method for comprehensively constructing fractured rock mass in oversized underground cavern crossing stage |
| CN112668076A (en) * | 2020-12-19 | 2021-04-16 | 重庆建工住宅建设有限公司 | Multi-order high slope comprehensive information construction method for soil-rock combined stratum |
| CN113235602A (en) * | 2021-05-20 | 2021-08-10 | 中国水利水电第九工程局有限公司 | Stone-square mountain excavation construction method for slope management |
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| CN110158621A (en) * | 2019-05-27 | 2019-08-23 | 福建省新华都工程有限责任公司 | Pre-pouring grout reinforcing side slope country rock promotes the method for being cleaved into seam effect in advance |
| CN110438968A (en) * | 2019-08-08 | 2019-11-12 | 浙江中科依泰斯卡岩石工程研发有限公司 | Fractured rock slope dynamical feedback analysis and optimization design method based on monitoring information |
| CN111502715A (en) * | 2020-05-29 | 2020-08-07 | 中铁第六勘察设计院集团有限公司 | Method for comprehensively constructing fractured rock mass in oversized underground cavern crossing stage |
| CN111502715B (en) * | 2020-05-29 | 2021-07-20 | 中铁第六勘察设计院集团有限公司 | Method for comprehensively constructing fractured rock mass in oversized underground cavern crossing stage |
| CN112668076A (en) * | 2020-12-19 | 2021-04-16 | 重庆建工住宅建设有限公司 | Multi-order high slope comprehensive information construction method for soil-rock combined stratum |
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