CN112081594A - BIM-based rapid construction method for long and large sandy slate tunnel - Google Patents
BIM-based rapid construction method for long and large sandy slate tunnel Download PDFInfo
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- CN112081594A CN112081594A CN202010881505.9A CN202010881505A CN112081594A CN 112081594 A CN112081594 A CN 112081594A CN 202010881505 A CN202010881505 A CN 202010881505A CN 112081594 A CN112081594 A CN 112081594A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/006—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by making use of blasting methods
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/003—Linings or provisions thereon, specially adapted for traffic tunnels, e.g. with built-in cleaning devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2111/00—Details relating to CAD techniques
- G06F2111/10—Numerical modelling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/02—Reliability analysis or reliability optimisation; Failure analysis, e.g. worst case scenario performance, failure mode and effects analysis [FMEA]
Abstract
The invention discloses a BIM-based rapid construction method for a long and large sandstone tunnel, which comprises the following steps: (1) analyzing rock burst influence factors; (2) blasting control of a class III surrounding rock tunnel; (3) building a road model based on a BIM technology; (4) evaluating a construction risk index of the water-rich broken surrounding rock tunnel; (5) evaluating the wind supply index of the Wanan tunnel; (6) informationized monitoring measurement; (7) BIM modeling is carried out on the III type track slab, 3 aspects of construction progress, cost and logistics of the ballastless track of the ten-thousand-ampere tunnel are researched by applying BIM 5D technology, BIM technology and TSP technology are combined, a set of tunnel construction advanced geological prediction and monitoring measurement technology based on BIM technology and TSP technology is integrated, and the information management method for long and large tunnel construction is achieved.
Description
Technical Field
The invention relates to the field of tunnel construction, in particular to a BIM-based rapid construction method for a long and large sandy slate tunnel.
Background
The large sandstone tunnel usually passes through mountains and peaks of terrains, and the valley is long and narrow and is mostly in a V shape. The natural slope of hillside is generally 30 ~ 70 degrees, and the height mark of sea level in the district is generally 200 ~ 1025m, and vegetation develops, and the local basement rock of import and export exposes, and tunnel body earth's surface gully develops, specifically is: the entrance DK298+200 of the tunnel and the exit DK307+500 of the tunnel are a stream ditch, water exists all the year round, and earth surface runoff develops in the ditch section where the tunnel body passes.
The large and large sandstone tunnel passes through mountains and peaks of peaks and rows of peaks, the terrains are severe, the valleys are long and narrow, most of rock burst occurs in deep buried underground engineering with deep burial, good lithology and large ground stress, and the large and large sandstone tunnel has the characteristics of hysteresis quality, continuity, attenuation, burst property, violent intensity and the like, not only damages engineering equipment and influences the construction progress, but also seriously threatens the personal safety of constructors, even causes the failure of the whole engineering in serious cases, and the occurrence of rock burst disasters seriously restricts the smooth operation of deep engineering.
Meanwhile, the construction of the ballastless track in the long and large tunnel is mainly different from other paragraphs: due to space limitation, no construction access outside the line can be used, and only an in-line transportation mode can be adopted; the construction section is long, the cross interference of the transportation of materials such as concrete, track slabs, steel bars and the like is large, and the logistics organization difficulty is large; in the closed space, the influence of adverse weather such as wind, rain, snow and the like is small. The rapid construction technology can overcome the disadvantages of limited space in the long tunnel, large construction cross interference and the like, and has important significance for shortening the construction period of the tunnel.
By collecting rock burst research data, analyzing the influence factors of rock mass rock burst, including the excavation depth of the rock mass, the lateral pressure coefficient, the physical and mechanical properties of the rock mass, the stress path of the rock mass and the like, and determining the importance of the stress gradient in the rock burst research.
Disclosure of Invention
Aiming at the special geological conditions of the long and large sandstone tunnel and the engineering difficulty of the construction of the long and large tunnel, the construction method is used for ensuring the construction quality and safety of the super-long tunnel, accelerating the construction progress and reducing the excavation risk. 7 aspects of a rapid construction and rock burst control technology of sandy slate, a smooth surface control blasting construction technology of a grade III surrounding rock tunnel, a multi-working-surface construction organization management technology of a long and large tunnel, a construction ventilation technology of an overlength tunneling tunnel, a safe construction technology under a water-rich and broken geological condition, a BIM comprehensive information construction technology of the tunnel and a construction control technology of a CRTS III type ballastless track of the tunnel based on BIM are researched. The method is realized by the following technical scheme:
a BIM-based rapid construction method for a long and large sandy slate tunnel comprises the following steps: (1) analyzing rock burst influence factors: the influencing factors comprise the properties of surrounding rocks, the ground stress, the burial depth, the tectonic stress, the dimensions of the surrounding rocks, the topographic features, faults and seismic zones; (2) blasting control of a III-level surrounding rock tunnel: the blasting process comprises blast hole arrangement, blasting tunneling circulating initiating explosive consumption and distribution, blasting equipment selection, drilling and hole cleaning, charging, initiation network connection, initiation, ventilation and cleaning; (3) establishing a lane model based on the BIM technology, managing quality, safety and progress according to the BIM model, realizing three-dimensional technology intersection, and completing the full life cycle management of the lane; (4) evaluating the construction risk indexes of the water-rich broken surrounding rock tunnel: the evaluation process comprises the risk of instability of the opening and the shallow section, the risk of instability of the tunnel face, the risk of water inrush and mud inrush, the risk of collapse, the risk of overlarge surface settlement and the risk of instability of a supporting structure; (5) evaluating the wind supply index of the Wanan tunnel: the air supply indexes comprise air supply distance, air leakage coefficient, air supply quantity, air supply pressure and fan power; (6) informationized monitoring measurement: the measuring range comprises positioning, harmful gas monitoring, strain monitoring, monitoring measurement and voice talkback; (7) BIM modeling is carried out on the III type track slab, and 3 aspects of construction progress, cost and logistics of the ballastless track of the ten-thousand-ampere tunnel are researched by applying a BIM 5D technology.
Furthermore, the step-method tunnel excavation is numerically simulated by adopting ANSYS in the step-method tunnel excavation step, and the stress, displacement and bending moment values of the surrounding rock, the anchor rod and the sprayed concrete are calculated; then verifying the rationality of the tunnel excavation initial support parameters, the rationality of material selection and the stability of surrounding rocks after excavation by a step method; and finally, combining finite element numerical analysis and calculation, and providing construction control measures aiming at construction weak links.
Further, analyzing influence factors causing the collapse accident layer by layer in the step (4), establishing a collapse accident tree for the ten-thousand-ampere tunnel construction, determining the probability of different basic events, and calculating the sequence of the probability importance, the critical importance and the structural importance of each basic event according to a Boolean algebra method; and then determining the most important influence factors influencing the collapse of the ten-thousand-ampere tunnel construction.
Furthermore, in the step (7), the long tunnel is divided into a plurality of work areas and working faces according to the construction site conditions, the excavation progress plans of the plurality of work areas of the tunnel body of the ten-thousand-security tunnel are worked out and calculated through a progress index method, and the construction progress of the ten-thousand-security tunnel is simulated by utilizing a Timeliner module in the BIM software Navisvarks.
Furthermore, Revit is used for building a tunnel model in a form of body weight, a Luban platform and navisworks are combined to carry out statistics on the three aspects of the tunnel construction quality, progress and cost, and a tunnel construction management system is constructed; establishing a BIM 3D model of a CRTS III slab ballastless track of a Wan' an tunnel by using software Revit and performing collision inspection; associating the BIM 3D model with the progress plan to generate a BIM 4D model, and performing visual simulation on the BIM 4D model by using a Timeliner module of software Navisvarks; introducing cost dimension on the basis of the BIM 4D model, introducing labor cost, material cost and mechanical cost of each process, and establishing a BIM 5D model; and performing deviation analysis on the planned progress and the actual progress by utilizing an earned value method based on the BIM 5D model, and providing corresponding improvement measures.
Furthermore, based on a QT Creator integrated development platform, a CRTS III slab ballastless track construction logistics comparison and selection system is designed and developed by applying a C + + programming language, the system is utilized to carry out comprehensive comparison and selection on 4 planned construction logistics schemes, and finally the most efficient construction logistics transportation scheme is determined.
Further, ClashDetective module of Navisvarks software is used for carrying out collision check on the built track slab model.
Has the advantages that:
(1) by collecting rock burst research data, analyzing influence factors of rock mass rock burst, including excavation depth of the rock mass, lateral pressure coefficient, physical and mechanical properties of the rock mass, stress path of the rock mass and the like, and analyzing importance of stress gradient in rock burst research.
(2) In order to effectively achieve the light blasting effect of the sand slate tunnel smooth blasting construction, the operation modes of person fixing, hole fixing and explosive fixing are researched, the parameters of controlling the positions, the intervals, the drilling depths, the drilling angles, the explosive loading amount and the like of blast holes are discussed, the safety, the economy and the rapidity of the blast holes are highlighted, the work efficiency is improved, and the construction period and the cost are saved.
(3) In order to ensure that the engineering is safely finished according to quality and quantity, a series of effective management technical measures are adopted in planning design and construction stages, a guarantee system for construction quality, progress and safety is established for the situation of the complex rock stratum of the ten-thousand-ampere railway tunnel, and systematic research is carried out on the multi-working-face construction organization management technology of the long and large railway tunnel in the multi-working-area.
(4) Through collecting a large amount of data to the scene, assess the stability and the broken country rock tunnel risk of rich water of broken country rock tunnel of rich water, study broken district's tunnel blasting construction safety technique of country rock to plan and perfect the waterproof and drainage of rich water tunnel construction and structure waterproof and drainage design.
(5) By starting with the ventilation type of the extra-long tunnel, the analysis proves the ventilation mode suitable for the Wanan tunnel; a set of fan connection modes which are more suitable for the ten-thousand-ampere tunnel are determined through scheme comparison; and then, a whole set of tunnel construction comprehensive ventilation technology suitable for the extra-long tunnels such as the Wanan tunnel is formed through the research of calculating the ventilation volume of each work area and the environment of the ventilator machine room.
(6) The BIM technology and the TSP technology are combined, a set of tunnel construction advanced geological prediction and monitoring measurement technology based on the BIM technology and the TSP technology is integrated, and information management of long and large tunnel construction is achieved.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, refer to the following embodiments:
a BIM-based rapid construction method for a long and large sandy slate tunnel comprises the following steps: (1) analyzing rock burst influence factors: the influencing factors comprise the properties of surrounding rocks, the ground stress, the burial depth, the tectonic stress, the dimensions of the surrounding rocks, the topographic features, faults and seismic zones; (2) blasting control of a III-level surrounding rock tunnel: the blasting process comprises blast hole arrangement, blasting tunneling circulating initiating explosive consumption and distribution, blasting equipment selection, drilling and hole cleaning, charging, initiation network connection, initiation, ventilation and cleaning; (3) establishing a lane model based on the BIM technology, managing quality, safety and progress according to the BIM model, realizing three-dimensional technology intersection, and completing the full life cycle management of the lane; (4) evaluating the construction risk indexes of the water-rich broken surrounding rock tunnel: the evaluation process comprises the risk of instability of the opening and the shallow section, the risk of instability of the tunnel face, the risk of water inrush and mud inrush, the risk of collapse, the risk of overlarge surface settlement and the risk of instability of a supporting structure; (5) evaluating the wind supply index of the Wanan tunnel: the air supply indexes comprise air supply distance, air leakage coefficient, air supply quantity, air supply pressure and fan power; (6) informationized monitoring measurement: the measuring range comprises positioning, harmful gas monitoring, strain monitoring, monitoring measurement and voice talkback; (7) BIM modeling is carried out on the III type track slab, and 3 aspects of construction progress, cost and logistics of the ballastless track of the ten-thousand-ampere tunnel are researched by applying a BIM 5D technology. Performing numerical simulation on the step-method excavated tunnel by adopting ANSYS, and calculating stress, displacement and bending moment values of surrounding rock, an anchor rod and sprayed concrete; then verifying the rationality of the tunnel excavation initial support parameters, the rationality of material selection and the stability of surrounding rocks after excavation by a step method; and finally, combining finite element numerical analysis and calculation, and providing construction control measures aiming at construction weak links. Analyzing influence factors causing the collapse accident layer by layer in the step (4), establishing a collapse accident tree for the ten-thousand-ampere tunnel construction, determining the occurrence probability of different basic events, and calculating the sequence of the probability importance, the critical importance and the structure importance of each basic event according to a Boolean algebra method; and then determining the most important influence factors influencing the collapse of the ten-thousand-ampere tunnel construction. And (7) dividing the long tunnel into a plurality of work areas and working faces according to the construction site conditions, compiling and calculating the excavation progress plans of the plurality of work areas of the tunnel body of the ten-thousand-ampere tunnel by a progress index method, and performing simulation on the construction progress of the ten-thousand-ampere tunnel by using a Timeliner module in BIM software Navisvarks. Building a tunnel model by using Revit in a form of volume, and counting the quality, progress and cost of the tunnel construction by combining a Luban platform and navisworks to construct a management system of the tunnel construction; establishing a BIM 3D model of a CRTS III slab ballastless track of a Wan' an tunnel by using software Revit and performing collision inspection; associating the BIM 3D model with the progress plan to generate a BIM 4D model, and performing visual simulation on the BIM 4D model by using a Timeliner module of software Navisvarks; introducing cost dimension on the basis of the BIM 4D model, introducing labor cost, material cost and mechanical cost of each process, and establishing a BIM 5D model; and performing deviation analysis on the planned progress and the actual progress by utilizing an earned value method based on the BIM 5D model, and providing corresponding improvement measures. Based on a QT Creator integrated development platform, a CRTS III slab ballastless track construction logistics comparison and selection system is designed and developed by applying a C + + programming language, 4 planned construction logistics schemes are comprehensively compared and selected by using the system, and finally the most efficient construction logistics transportation scheme is determined. And performing collision check on the established track slab model by using a Clashprotect module of Navisvarks software.
Various modifications and changes may be made to the present invention by those skilled in the art. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.
Claims (7)
1. A BIM-based rapid construction method for a long and large sandy slate tunnel is characterized by comprising the following steps: (1) analyzing rock burst influence factors: the influencing factors comprise the properties of surrounding rocks, the ground stress, the burial depth, the tectonic stress, the dimensions of the surrounding rocks, the topographic features, faults and seismic zones; (2) blasting control of a III-level surrounding rock tunnel: the blasting process comprises blast hole arrangement, blasting tunneling circulating initiating explosive consumption and distribution, blasting equipment selection, drilling and hole cleaning, charging, initiation network connection, initiation, ventilation and cleaning; (3) establishing a lane model based on the BIM technology, managing quality, safety and progress according to the BIM model, realizing three-dimensional technology intersection, and completing the full life cycle management of the lane; (4) evaluating the construction risk indexes of the water-rich broken surrounding rock tunnel: the evaluation process comprises the risk of instability of the opening and the shallow section, the risk of instability of the tunnel face, the risk of water inrush and mud inrush, the risk of collapse, the risk of overlarge surface settlement and the risk of instability of a supporting structure; (5) evaluating the wind supply index of the Wanan tunnel: the air supply indexes comprise air supply distance, air leakage coefficient, air supply quantity, air supply pressure and fan power; (6) informationized monitoring measurement: the measuring range comprises positioning, harmful gas monitoring, strain monitoring, monitoring measurement and voice talkback; (7) BIM modeling is carried out on the III type track slab, and 3 aspects of construction progress, cost and logistics of the ballastless track of the ten-thousand-ampere tunnel are researched by applying a BIM 5D technology.
2. The BIM-based large and large sandstone tunnel rapid construction method of claim 1, wherein: performing numerical simulation on the step-method excavated tunnel by adopting ANSYS, and calculating stress, displacement and bending moment values of surrounding rock, an anchor rod and sprayed concrete; then verifying the rationality of the tunnel excavation initial support parameters, the rationality of material selection and the stability of surrounding rocks after excavation by a step method; and finally, combining finite element numerical analysis and calculation, and providing construction control measures aiming at construction weak links.
3. The BIM-based large and large sandstone tunnel rapid construction method of claim 1, wherein: analyzing influence factors causing the collapse accident layer by layer in the step (4), establishing a collapse accident tree for the ten-thousand-ampere tunnel construction, determining the occurrence probability of different basic events, and calculating the sequence of the probability importance, the critical importance and the structure importance of each basic event according to a Boolean algebra method; and then determining the most important influence factors influencing the collapse of the ten-thousand-ampere tunnel construction.
4. The BIM-based large and large sandstone tunnel rapid construction method of claim 1, wherein: and (7) dividing the long tunnel into a plurality of work areas and working faces according to the construction site conditions, compiling and calculating the excavation progress plans of the plurality of work areas of the tunnel body of the ten-thousand-ampere tunnel by a progress index method, and performing simulation on the construction progress of the ten-thousand-ampere tunnel by using a Timeliner module in BIM software Navisvarks.
5. The BIM-based large and large sandstone tunnel rapid construction method of claim 4, wherein the method comprises the following steps: in the step (7), a software Revit is used for establishing a BIM 3D model of a Wan' an tunnel CRTS III type slab ballastless track; associating the BIM 3D model with the progress plan to generate a BIM 4D model, and performing visual simulation on the BIM 4D model by using a Timeliner module of software Navisvarks; introducing cost dimension on the basis of the BIM 4D model, introducing labor cost, material cost and mechanical cost of each process, and establishing a BIM 5D model; and performing deviation analysis on the planned progress and the actual progress by utilizing an earned value method based on the BIM 5D model, and providing corresponding improvement measures.
6. The BIM-based large and large sandstone tunnel rapid construction method of claim 5, wherein: based on a QT Creator integrated development platform, a CRTS III slab ballastless track construction logistics comparison and selection system is designed and developed by applying a C + + programming language, 4 planned construction logistics schemes are comprehensively compared and selected by using the system, and finally the most efficient construction logistics transportation scheme is determined.
7. The BIM-based large and large sandstone tunnel rapid construction method of claim 6, wherein: and performing collision check on the established track slab model by using a Clashprotect module of Navisvarks software.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116663131A (en) * | 2023-08-01 | 2023-08-29 | 中国电建集团贵阳勘测设计研究院有限公司 | Tunnel intelligent design system and method based on 3DE platform |
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