CN109241597A - Closed cutting BIM model implementation method and information data processing terminal - Google Patents
Closed cutting BIM model implementation method and information data processing terminal Download PDFInfo
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- CN109241597A CN109241597A CN201810974233.XA CN201810974233A CN109241597A CN 109241597 A CN109241597 A CN 109241597A CN 201810974233 A CN201810974233 A CN 201810974233A CN 109241597 A CN109241597 A CN 109241597A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000012545 processing Methods 0.000 title claims abstract description 6
- 238000013461 design Methods 0.000 claims abstract description 32
- 239000007787 solid Substances 0.000 claims abstract description 6
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 239000002689 soil Substances 0.000 claims description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 238000004364 calculation method Methods 0.000 claims description 12
- 230000035699 permeability Effects 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 6
- 238000007667 floating Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000004590 computer program Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000003673 groundwater Substances 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000005336 cracking Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
- E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
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- 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
- G06F2119/06—Power analysis or power optimisation
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Abstract
The invention discloses a kind of closed cutting BIM model implementation method and information data processing terminals, belong to the connected closed cutting technical field in location of road tunnel, the BIM model is spliced by multiple U-type grooves, and each U-type groove includes rectangular base plate and trapezoidal abutment wall two parts positioned at the rectangular base plate upper surface two sides；Include the following steps: S1, data preparation；S2, standard cross-section design, that is, design the size of each two sections of U-type groove；S3, the addition of standard cross-section relevant parameter；Position is arranged along S4, standard cross-section；S5, adjacent cross section is point-to-point is connected to form wire frame；S6, wire frame structure face are at closed cutting 3D solid；S7, each closed cutting parameter is adjusted according to design, meets closed cutting design requirement；S8, according to tunnel cable and ditch position, the closed cutting parameter in tunnel face is adjusted, so that professional interface drop-over；S9, modeling are completed.
Description
Technical field
The invention belongs to the connected closed cutting technical field in location of road tunnel more particularly to a kind of closed cutting BIM moulds
Type implementation method and information data processing terminal.
Background technique
In the civil engineering system of rail traffic, often there is the changeover portion that aerial part is connected under ground portion, using envelope
Enclosed cutting is connected.On the one hand closed cutting plays the rigid transition that shallow tunnel outlet is fallen with road of ground surface base segment, separately
On the one hand the land used of two sides is also saved compared with slope excavation, reduces the influence to Nearby Structure.
In railway system's design, closed cutting is since same Tunnel structure is different, in closed cutting
Often there is the difference in size and position in drainage system, the arrangement of cable system and adjacent tunnel.If closed road
Moat and tunnel are designed by same profession, and designer can avoid as far as possible the difference of structure type and arrangement from collaborative design angle
Different, leftover problem is less.But status is most of closed cutting of Specialty Design institute by roadbed Specialty Design, with tunnel profession two
Person is designed in oneself each comfortable professional pipeline section in design, solves the coordination and beauty of this profession inside dimension in advance, connects
The problem of mouth, transfers to both sides to be all ready that the standard drawing received is illustrated.In two-dimensional design, the flexibility of standard drawing and intuitive
Property will be far short of what is expected: first, two-dimensional design can not from full view professional interface；Second, site operation is needed by closing
Check is compared in three sets of formula cutting, tunnel face and Universal joint figure drawings, this can generate artificial solution read error in the process
It is different.
Summary of the invention
In view of the problems of the existing technology, present invention seek to address that two main problems, first is that closed cutting
Full Parameterized modeling method problem, by the way that the parameter that can be adjusted according to different situations is arranged in a model, so that closed road
The bottom plate of moat, the size of side wall are adjustable form, and solution terminates this paragraph model from tunnel exit to closed cutting
Enclose the variation of the structure size of interior different segment；Second is that with tunnel interface coordination problem, by adjusting parameter, solve size with it is interior
The track structure that portion is laid with is adapted, and all parameters such as adjustment internal drainage system, cable system and tunnel communication cable drain
Drop-over；
The purpose of the present invention is to provide a kind of closed cutting BIM model implementation methods, and the BIM model is by multiple U-shaped
Slot is spliced, and each U-type groove includes rectangular base plate and trapezoidal abutment wall two parts positioned at the rectangular base plate upper surface two sides；Packet
Include following steps:
S1, data preparation, above-mentioned data include: landform surface model, route left line rail level center line model and tunnel portal
Model；
S2, standard cross-section design, that is, design the size of each two sections of U-type groove, specifically:
The design of S201, bottom plate, main stress have: bottom plate self weight, subgrade reaction, buoyancy force of underground water, load, abutment wall on plate
To bottom plate active force；Wherein:
Bottom plate self weight: it is calculated according to cross dimensions and material bulk density；
Load on plate: equivalent uniform load is used, and is converted into equivalent soil pressure；
Buoyancy force of underground water: simple buoyancy formula；Stability against floating coefficient formulas are as follows:
Kw=γ ∑ Gk/KNw,f
Wherein:
KwFor stability against floating safety coefficient
GkFor the sum of building self weight and ballast
Nw,fFor buoyancy value
γ is partial safety factor for load；
K is reduction factor of buoyancy；
Abutment wall is to bottom plate active force: abutment wall is abutment wall dead load to Bottom Pressure, and fixed-end moment is by water pressure and soil pressure
Power is generated in abutment wall bottom, is that bottom plate and abutment wall junction are applied to as concentrated bending moment；
The design of S202, abutment wall, the stress of abutment wall include: abutment wall self weight, back soil pressure, water pressure, awning active force, knot
The vehicle on the outer ground of structure and pedestrian load；Wherein:
Abutment wall self weight: it is calculated according to cross dimensions and material bulk density；
Abutment wall Earth Pressure:
Pa=Pa1+P'a1+Pa2
Pa1'=rh0(H-h0)k0
Wherein: PaFor soil pressure, Pa1For above water soil pressure, Pa1' it is the soil pressure that above water generates underwater portion
Power, Pa2For the soil pressure that underwater portion generates, rwFor water capacity weight；rsatFor soil body saturated unit weight, r is soil body natural unit weight, H U
Type groove abutment wall is high, h0It is level of ground water away from wall top distance；
Water pressure calculation formula:
Pw=rw(H-h0)2
Wherein, PwFor hydraulic pressure；
Carry on the back soil pressure and water pressure: the stronger soil of permeability is calculated using water and soil point, and the weak soil of permeability is worthwhile using water and soil,
Others are calculated using water and soil point.
Awning active force: the axle power and horizontal shear of every suspension column are provided by awning designer；
The vehicle and crowd's mobile load on the outer ground of structure: equivalent uniform load is used, and is converted into equivalent soil pressure；
Abutment wall wall carries on the back calculation of Bending Moment:
According to Code for design of concrete structures and abutment wall Force Calculation its Flexural Strength, the calculating of steel bar stress, section
Crack resistance checking computations and crack width calculation determine sectional dimension；
S3, the addition of standard cross-section relevant parameter, the standard cross-section relevant parameter include: closed cutting wall it is high,
Top width, heel width, back slope rate, interior ratio of slope, bottom plate is wide, thick, cable and rhone wall thickness, wall height, base thickness, internal diameter；
Position is arranged along S4, standard cross-section；
S5, adjacent cross section is point-to-point is connected to form wire frame；
S6, wire frame structure face are at closed cutting 3D solid.
Further, further including following steps:
S7, each closed cutting parameter is adjusted according to design, meets closed cutting design requirement；
S8, according to tunnel cable and ditch position, the closed cutting parameter in tunnel face is adjusted, so that professional interface is suitable
It connects；
S9, modeling are completed.
Further: load includes vehicular load, track load and railway roadbed load on the plate.
The purpose of the present invention is to provide a kind of computer journeys for realizing above-mentioned closed cutting BIM model implementation method
Sequence.
The purpose of the present invention is to provide at a kind of information data for realizing above-mentioned closed cutting BIM model implementation method
Manage terminal.
The purpose of the present invention is to provide a kind of computer readable storage mediums, including instruction, when it is transported on computers
When row, so that computer executes above-mentioned closed cutting BIM model implementation method.
The operation principle of the present invention is that:
In conclusion advantages of the present invention and good effect are as follows:
The parameter that the present invention can be adjusted by setting in a model according to different situations, so that the bottom of closed cutting
Plate, side wall size be adjustable form, solution terminate within the scope of this paragraph not from tunnel exit to closed cutting
With the variation of the structure size of segment；By adjusting parameter, the track structure for solving size and laid inside is adapted the present invention,
It adjusts all parameters such as internal drainage system, cable system and tunnel communication cable drains drop-over.
Detailed description of the invention
Fig. 1 is the flow chart of the preferred embodiment of the present invention；
Fig. 2 is the standard section figure of U-type groove in the preferred embodiment of the present invention；
Fig. 3 is the adjacent modular cross-section diagram of two neighboring U-type groove in the preferred embodiment of the present invention；
Fig. 4 is that 2 section point point of adjacent modular correspondence is connected to wire frame in the preferred embodiment of the present invention；
Fig. 5 is wire frame adult structure figure in the preferred embodiment of the present invention；
Fig. 6 is position arrangement along cross section in the preferred embodiment of the present invention；
Fig. 7 is the structure chart of U-type groove in the preferred embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Please refer to Fig. 1 to Fig. 7, a kind of road tunnel is connected the closed cutting BIM model implementation method in location, the BIM model by
Multiple U-type grooves are spliced, and each U-type groove includes rectangular base plate and the trapezoidal abutment wall two positioned at the rectangular base plate upper surface two sides
Part；It is characterized by comprising following steps:
S1, data preparation, above-mentioned data include: landform surface model, route left line rail level center line model and tunnel portal
Model；
S2, standard cross-section design, that is, design the size of each two sections of U-type groove, specifically:
The design of S201, bottom plate, main stress have: bottom plate self weight, subgrade reaction, buoyancy force of underground water, load, abutment wall on plate
To bottom plate active force；Wherein:
Bottom plate self weight: it is calculated according to cross dimensions and material bulk density；
Load on plate: equivalent uniform load is used, and is converted into equivalent soil pressure；
Buoyancy force of underground water: simple buoyancy formula；Stability against floating coefficient formulas are as follows:
Kw=γ ∑ Gk/KNw,f
Wherein:
KwFor stability against floating safety coefficient
GkFor the sum of building self weight and ballast
Nw,fFor buoyancy value
γ is partial safety factor for load；
K is reduction factor of buoyancy；
Abutment wall is to bottom plate active force: abutment wall is abutment wall dead load to Bottom Pressure, and fixed-end moment is by water pressure and soil pressure
Power is generated in abutment wall bottom, is that bottom plate and abutment wall junction are applied to as concentrated bending moment；
The design of S202, abutment wall, the stress of abutment wall include: abutment wall self weight, back soil pressure, water pressure, awning active force, knot
The vehicle on the outer ground of structure and pedestrian load；Wherein:
Abutment wall self weight: it is calculated according to cross dimensions and material bulk density；
Abutment wall Earth Pressure:
Pa=Pa1+P'a1+Pa2
Pa1'=rh0(H-h0)k0
Wherein: PaFor soil pressure, Pa1For above water soil pressure, Pa1' it is the soil pressure that above water generates underwater portion
Power, Pa2For the soil pressure that underwater portion generates, rwFor water capacity weight；rsatFor soil body saturated unit weight, r is soil body natural unit weight, H U
Type groove abutment wall is high, h0It is level of ground water away from wall top distance；
Water pressure calculation formula:
Pw=rw(H-h0)2
Wherein, PwFor hydraulic pressure；
Carry on the back soil pressure and water pressure: the stronger soil of permeability is calculated using water and soil point, and the weak soil of permeability is worthwhile using water and soil,
Others are calculated using water and soil point.
Awning active force: the axle power and horizontal shear of every suspension column are provided by awning designer；
The vehicle and crowd's mobile load on the outer ground of structure: equivalent uniform load is used, and is converted into equivalent soil pressure；
Abutment wall wall carries on the back calculation of Bending Moment:
According to Code for design of concrete structures and abutment wall Force Calculation its Flexural Strength, the calculating of steel bar stress, section
Crack resistance checking computations and crack width calculation determine sectional dimension；
S3, the addition of standard cross-section relevant parameter, the standard cross-section relevant parameter include: closed cutting wall it is high,
Top width, heel width, back slope rate, interior ratio of slope, bottom plate is wide, thick, cable and rhone wall thickness, wall height, base thickness, internal diameter；
Position is arranged along S4, standard cross-section；
S5, adjacent cross section is point-to-point is connected to form wire frame；
S6, wire frame structure face are at closed cutting 3D solid.
Further, further including following steps:
S7, each closed cutting parameter is adjusted according to design, meets closed cutting design requirement；
S8, according to tunnel cable and ditch position, the closed cutting parameter in tunnel face is adjusted, so that professional interface is suitable
It connects；
S9, modeling are completed.
Further: load includes vehicular load, track load and railway roadbed load on the plate.
Soil stronger for permeability, for example, sandy soil and silt, are generally calculated using water, soil point.It is, counting respectively
It can be regarded as with the water pressure and soil pressure on abutment wall, be then added.The soil weaker for permeability, such as clay can use water
The worthwhile method of soil.
Rock And Soil permeability grade K
The highly permeable of 10-2≤K < 1
10-4≤K < 10-2 is medium permeable
10-5≤K < 10-4 is weak permeable
Preferred embodiment two, a kind of computer program for realizing above-mentioned closed cutting BIM model implementation method.
Preferred embodiment three, a kind of information data processing terminal for realizing above-mentioned closed cutting BIM model implementation method.
Preferred embodiment four, a kind of computer readable storage medium, including instruction, when run on a computer, make
It obtains computer and executes above-mentioned closed cutting BIM model implementation method.
In the above-described embodiments, can come wholly or partly by software, hardware, firmware or any combination thereof real
It is existing.When using entirely or partly realizing in the form of a computer program product, the computer program product include one or
Multiple computer instructions.When loading on computers or executing the computer program instructions, entirely or partly generate according to
Process described in the embodiment of the present invention or function.The computer can be general purpose computer, special purpose computer, computer network
Network or other programmable devices.The computer instruction may be stored in a computer readable storage medium, or from one
Computer readable storage medium is transmitted to another computer readable storage medium, for example, the computer instruction can be from one
A web-site, computer, server or data center pass through wired (such as coaxial cable, optical fiber, Digital Subscriber Line (DSL)
Or wireless (such as infrared, wireless, microwave etc.) mode is carried out to another web-site, computer, server or data center
Transmission).The computer-readable storage medium can be any usable medium or include one that computer can access
The data storage devices such as a or multiple usable mediums integrated server, data center.The usable medium can be magnetic Jie
Matter, (for example, floppy disk, hard disk, tape), optical medium (for example, DVD) or semiconductor medium (such as solid state hard disk Solid
State Disk (SSD)) etc..
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (6)
1. a kind of closed cutting BIM model implementation method, the BIM model are spliced by multiple U-type grooves, each U-type groove packet
Include rectangular base plate and trapezoidal abutment wall two parts positioned at the rectangular base plate upper surface two sides；It is characterized by comprising following steps:
S1, data preparation, above-mentioned data include: landform surface model, route left line rail level center line model and tunnel portal model；
S2, standard cross-section design, that is, design the size of each two sections of U-type groove, specifically:
The design of S201, bottom plate, main stress have: bottom plate self weight, subgrade reaction, buoyancy force of underground water, on plate load, abutment wall the bottom of to
Plate active force；Wherein:
Bottom plate self weight: it is calculated according to cross dimensions and material bulk density；
Load on plate: equivalent uniform load is used, and is converted into equivalent soil pressure；
Buoyancy force of underground water: simple buoyancy formula；Stability against floating coefficient formulas are as follows:
Kw=γ ∑ Gk/KNw,f
Wherein:
KwFor stability against floating safety coefficient
GkFor the sum of building self weight and ballast
Nw,fFor buoyancy value
γ is partial safety factor for load；
K is reduction factor of buoyancy；
Abutment wall is to bottom plate active force: abutment wall is abutment wall dead load to Bottom Pressure, and fixed-end moment is existed by water pressure and soil pressure
What abutment wall bottom generated, be that bottom plate and abutment wall junction are applied to as concentrated bending moment；
The design of S202, abutment wall, the stress of abutment wall include: that abutment wall is self-possessed, outside back soil pressure, water pressure, awning active force, structure
The vehicle on ground and pedestrian load；Wherein:
Abutment wall self weight: it is calculated according to cross dimensions and material bulk density；
Abutment wall Earth Pressure:
Pa=Pa1+P'a1+Pa2
Pa1'=rh0(H-h0)k0
Wherein: PaFor soil pressure, Pa1For above water soil pressure, Pa1' it is the soil pressure that above water generates underwater portion, Pa2
For the soil pressure that underwater portion generates, rwFor water capacity weight；rsatFor soil body saturated unit weight, r is soil body natural unit weight, and H is U-type groove
Abutment wall is high, h0It is level of ground water away from wall top distance；
Water pressure calculation formula:
Pw=rw(H-h0)2
Wherein, PwFor hydraulic pressure；
Carry on the back soil pressure and water pressure: the stronger soil of permeability is calculated using water and soil point, and the weak soil of permeability is worthwhile using water and soil, other
Calculated using water and soil point.
Awning active force: the axle power and horizontal shear of every suspension column are provided by awning designer；
The vehicle and crowd's mobile load on the outer ground of structure: equivalent uniform load is used, and is converted into equivalent soil pressure；
Abutment wall wall carries on the back calculation of Bending Moment:
According to Code for design of concrete structures and abutment wall Force Calculation its Flexural Strength, the calculating of steel bar stress, section cracking resistance
Degree checking computations and crack width calculation determine sectional dimension；
S3, standard cross-section relevant parameter addition, the standard cross-section relevant parameter include: closed cutting wall height, top width,
Heel width, back slope rate, interior ratio of slope, bottom plate is wide, thick, cable and rhone wall thickness, wall height, base thickness, internal diameter；
Position is arranged along S4, standard cross-section；
S5, adjacent cross section is point-to-point is connected to form wire frame；
S6, wire frame structure face are at closed cutting 3D solid.
2. closed cutting BIM model implementation method according to claim 1, it is characterised in that: further include following steps:
S7, each closed cutting parameter is adjusted according to design, meets closed cutting design requirement；
S8, according to tunnel cable and ditch position, the closed cutting parameter in tunnel face is adjusted, so that professional interface drop-over；
S9, modeling are completed.
3. closed cutting BIM model implementation method according to claim 2, it is characterised in that: load packet on the plate
Include vehicular load, track load and railway roadbed load.
4. a kind of computer program for realizing any one of claim 1-3 closed cutting BIM model implementation method.
5. a kind of information data processing for realizing any one of claim 1-3 closed cutting BIM model implementation method is eventually
End.
6. a kind of computer readable storage medium, including instruction, when run on a computer, so that computer is executed as weighed
Benefit requires the described in any item closed cutting BIM model implementation methods of 1-3.
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Cited By (1)
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|---|---|---|---|---|
| CN110096757A (en) * | 2019-04-08 | 2019-08-06 | 杭州通达集团有限公司 | The method for controlling basement building course anti-floating based on BIM technology dynamic |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110096757A (en) * | 2019-04-08 | 2019-08-06 | 杭州通达集团有限公司 | The method for controlling basement building course anti-floating based on BIM technology dynamic |
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