CN106202785A - The method calculating hard rock tunnel development machine cutter head torque - Google Patents
The method calculating hard rock tunnel development machine cutter head torque Download PDFInfo
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- CN106202785A CN106202785A CN201610574107.6A CN201610574107A CN106202785A CN 106202785 A CN106202785 A CN 106202785A CN 201610574107 A CN201610574107 A CN 201610574107A CN 106202785 A CN106202785 A CN 106202785A
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- 239000011435 rock Substances 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000035515 penetration Effects 0.000 claims description 6
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 3
- 230000005641 tunneling Effects 0.000 abstract description 8
- 238000005183 dynamical system Methods 0.000 abstract description 3
- 238000004364 calculation method Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 4
- 241000208340 Araliaceae Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 238000005553 drilling Methods 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
- G06F30/17—Mechanical parametric or variational design
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
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- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Pure & Applied Mathematics (AREA)
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- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
A kind of method calculating hard rock tunnel development machine cutter head torque, including: calculate cutting moment of torque T on hard rock TBM equipment cutterhead1；Calculate the friction torque T between cutterhead annular side and rock2；Calculate driving cutter head torque T:T=T1+T2, in formula: T is driving cutter head torque, unit kNm.The present invention calculates quick and precisely for the cutter head torque in hard rock TBM equipment tunneling process.Owing to having considered the impact of the central factors such as geological environment, mode of operation, equipment configuration, thus result of calculation is accurately and reliably.And torque parameter can be adjusted flexibly according to the change of geological conditions Yu driving speed at any time, provide reliable data foundation for the setting of torque parameter in the hard rock TBM equipment design of dynamical system and work progress with adjusting in real time.
Description
Technical field
The present invention relates to a kind of hard rock tunnel tunneler construction method.Particularly relate to a kind of calculating hard rock tunnel development machine
The method of cutter head torque.
Background technology
Tunneler is that a kind of rotation by cutterhead advances, and tunnel support carries out, and make simultaneously tunnel entirely break with slagging tap
The big machinery that face is once-forming.Relative to tradition drilling and blasting method, tunneler have efficient, quick, high-quality, safety etc. are excellent
Point, has been promoted the use of in the engineerings such as seepage tunnel, railway tunnel and traffic tunnel.According to applicable geology classification,
Can be divided into hard rock tunnel development machine and soft ground tunnelling machine, both operation principles and work progress have the biggest difference.Firmly
Rock TBM (tunneler) equipment belongs to heavy and huge carries standby, and its driving moment of torsion is huge, is in equipment Design and safe construction
Key parameter.Quick and precisely calculate hard rock TBM and be equipped in tunneling process required cutter head torque value, can be dynamical system
In design and tunneling process, parameter adjusts offer important evidence in real time.Hard rock TBM is equipped in tunneling process, its cutter head torque master
To be made up of the friction torque between knife cutting moment of torsion, cutterhead annular side and rock.Geological environment, equipment complicated and changeable are tied
Structure and mode of operation all produce different impacts to cutter head torque.The most existing for cutterhead in soft formation shield equipment driving
The computational methods of moment of torsion, but still lack of hard rock TBM equipment tunneling process in cutter head torque determine technology fast and accurately,
Become the urgent need of the industry the most already.
Summary of the invention
The technical problem to be solved is to provide one can provide ginseng reliably for hard rock TBM equipment construction
The method of the calculating hard rock tunnel development machine cutter head torque of numerical control foundation.
The technical solution adopted in the present invention is: a kind of method calculating hard rock tunnel development machine cutter head torque, including such as
Lower step:
1) cutting moment of torque T on hard rock TBM equipment cutterhead is calculated1:
In formula: T1For the cutting moment of torque on cutterhead, unit kNm；N is hobboing cutter quantity on cutterhead；T is hobboing cutter point of a knife width, single
Position mm；R is hobboing cutter radius, unit mm；D is cutter diameter, unit m；φ is hobboing cutter and rock contact radian, and unit rad, φ is
It is calculated by pile penetration δ and hobboing cutter radius RWherein, pile penetration δ unit is mm, and hobboing cutter radius R is
Unit mm；For internal friction angle of rock, unit rad；σyFor the stress of primary rock, units MPa；σcFor rock uniaxiality strength, unit
MPa；
2) the friction torque T between cutterhead annular side and rock is calculated2:
In formula: T2For the friction torque between cutterhead annular side and rock, unit kNm；fsFor cutterhead annular side and rock
Between coefficient of friction；D is cutter diameter, unit m；W is cutterhead lateral width, unit m；Θ2For cutterhead annular side tactite
The radian that Plumbum preparatium is divided, unit rad；K0For rock lateral pressure coefficient；P0For the contact pressure between cutterhead annular side and rock, list
Position kPa；
3) calculating driving cutter head torque T:
T=T1+T2
In formula: T is driving cutter head torque, unit kNm.
The method of the calculating hard rock tunnel development machine cutter head torque of the present invention, in hard rock TBM equipment tunneling process
Cutter head torque calculates quick and precisely.Owing to having considered the shadow of the central factors such as geological environment, mode of operation, equipment configuration
Ring, thus result of calculation is accurately and reliably.And moment of torsion ginseng can be adjusted flexibly according to the change of geological conditions Yu driving speed at any time
Number, for the setting of torque parameter in the hard rock TBM equipment design of dynamical system and work progress with adjust that provide can in real time
The data foundation leaned on.
Detailed description of the invention
The method that the present invention calculates hard rock tunnel development machine cutter head torque below in conjunction with embodiment is described in detail.
The method of the calculating hard rock tunnel development machine cutter head torque of the present invention, comprises the steps:
1) cutting moment of torque T on hard rock TBM equipment cutterhead is calculated1:
In formula: T1For the cutting moment of torque on cutterhead, unit kNm；N is hobboing cutter quantity on cutterhead；T is hobboing cutter point of a knife width, single
Position mm；R is hobboing cutter radius, unit mm；D is cutter diameter, unit m；φ is hobboing cutter and rock contact radian, and unit rad, φ is
It is calculated by pile penetration δ and hobboing cutter radius RWherein, pile penetration δ unit is mm, and hobboing cutter radius R is
Unit mm；For internal friction angle of rock, unit rad；σyFor the stress of primary rock, units MPa；σcFor rock uniaxiality strength, unit
MPa；
2) the friction torque T between cutterhead annular side and rock is calculated2:
In formula: T2For the friction torque between cutterhead annular side and rock, unit kNm；fsFor cutterhead annular side and rock
Between coefficient of friction；D is cutter diameter, unit m；W is cutterhead lateral width, unit m；Θ2For cutterhead annular side tactite
The radian that Plumbum preparatium is divided, unit rad；K0For rock lateral pressure coefficient；P0For the contact pressure between cutterhead annular side and rock, list
Position kPa；
3) cutter head torque T in tunneling process is calculated:
T=T1+T2
In formula: T is cutter head torque in tunneling process, unit kNm.
Instantiation be given below:
The hard rock TBM equipment configuration parameter that the tunnel piercing engineering of this example is used is as follows: hobboing cutter quantity N=on cutterhead
51, point of a knife width t=25mm, hobboing cutter radius R=241.5mm, cutter diameter D=8.03m, cutterhead lateral width W=0.5m.With
As a example by geological conditions when this engineering tunnels the 400th meter and mode of operation, provide calculating driving and turn round to equipment cutterhead time at this
The detailed step of square value, driving to cutter head torque during other position all can calculate in the same manner.
Geologic parameter involved in calculating is taken from geologic report, and geologic parameter during this engineering the 400th meter is as follows: rock
Stone uniaxial compressive strength σc=52MPa, internal friction angle of rockStress of primary rock σy=10MPa, cutterhead annular side with
Coefficient of friction f between rocks=0.2, cutterhead annular side tactite stone partial arcs Θ2=π rad, rock lateral pressure coefficient K0
=0.1, contact pressure P between cutterhead annular side and rock0=1000kPa.
Operating parameter involved in calculating is by equipping automatic record, and this engineering driving is joined to operation when the 400th meter
Number is, pile penetration δ=6.50mm.
(1) cutting moment of torque T on hard rock TBM equipment cutterhead is calculated1:
By above-mentioned relevant parameter substitution formula:Obtain T1=
2797.70kNm
(2) the friction torque T between cutterhead annular side and rock is calculated2:
By above-mentioned relevant parameter substitution formula:Obtain T2=2785.38kNm
(3) driving cutter head torque T is calculated.
By formula T=T1+T2, obtain T=5583.08kNm
So far, have calculated that in this engineering, equipment driving is to cutter head torque value when the 400th meter, when driving is to remaining position
Cutter head torque all can determine by the same way.Thus can calculate hard rock TBM in whole engineering and be equipped in different geology bar
Cutter head torque value required under part and mode of operation, provides scientific and effective data foundation for hard rock tunnel construction.
It should be noted that the present embodiment is narrative rather than determinate, do not limit the protection of the present invention with this
Scope.
Claims (1)
1. the method calculating hard rock tunnel development machine cutter head torque, it is characterised in that comprise the steps:
1) cutting moment of torque T on hard rock TBM equipment cutterhead is calculated1:
In formula: T1For the cutting moment of torque on cutterhead, unit kNm；N is hobboing cutter quantity on cutterhead；T is hobboing cutter point of a knife width, unit mm；R
For hobboing cutter radius, unit mm；D is cutter diameter, unit m；φ is hobboing cutter and rock contact radian, and unit rad, φ is by passing through
In-degree δ and hobboing cutter radius R are calculatedWherein, pile penetration δ unit is mm, and hobboing cutter radius R is unit
mm；For internal friction angle of rock, unit rad；σyFor the stress of primary rock, units MPa；σcFor rock uniaxiality strength, units MPa；
2) the friction torque T between cutterhead annular side and rock is calculated2:
In formula: T2For the friction torque between cutterhead annular side and rock, unit kNm；fsFor between cutterhead annular side and rock
Coefficient of friction；D is cutter diameter, unit m；W is cutterhead lateral width, unit m；Θ2For cutterhead annular side tactite Plumbum preparatium
The radian divided, unit rad；K0For rock lateral pressure coefficient；P0For the contact pressure between cutterhead annular side and rock, unit
kPa；
3) calculating driving cutter head torque T:
T=T1+T2
In formula: T is driving cutter head torque, unit kNm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610574107.6A CN106202785A (en) | 2016-07-18 | 2016-07-18 | The method calculating hard rock tunnel development machine cutter head torque |
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| CN201610574107.6A CN106202785A (en) | 2016-07-18 | 2016-07-18 | The method calculating hard rock tunnel development machine cutter head torque |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108388754A (en) * | 2018-03-28 | 2018-08-10 | 中铁工程装备集团有限公司 | A kind of design method of the positive hobboing cutter spacing of TBM |
| CN112196559A (en) * | 2020-09-30 | 2021-01-08 | 山东大学 | TBM operation parameter optimization method based on optimal tunneling speed and optimal cutter consumption |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140079485A1 (en) * | 2011-05-31 | 2014-03-20 | China Railway Tunneling Equipment Co., Ltd. | Method for Preventing Shield Casing Catching Due to Too Large Frictional Resistance in Earth Pressure Balance Shield Machine |
| CN103870677A (en) * | 2014-02-07 | 2014-06-18 | 上海交通大学 | Setting method for tunneling parameters of tunneling machine |
| CN103899328A (en) * | 2014-03-10 | 2014-07-02 | 天津大学 | Calculation method for positive torque of cutter head of curved surface type earth pressure balance shield |
| CN104732059A (en) * | 2015-01-12 | 2015-06-24 | 天津大学 | Method for calculating total thrust in hard rock TBM device tunneling process |
-
2016
- 2016-07-18 CN CN201610574107.6A patent/CN106202785A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140079485A1 (en) * | 2011-05-31 | 2014-03-20 | China Railway Tunneling Equipment Co., Ltd. | Method for Preventing Shield Casing Catching Due to Too Large Frictional Resistance in Earth Pressure Balance Shield Machine |
| CN103870677A (en) * | 2014-02-07 | 2014-06-18 | 上海交通大学 | Setting method for tunneling parameters of tunneling machine |
| CN103899328A (en) * | 2014-03-10 | 2014-07-02 | 天津大学 | Calculation method for positive torque of cutter head of curved surface type earth pressure balance shield |
| CN104732059A (en) * | 2015-01-12 | 2015-06-24 | 天津大学 | Method for calculating total thrust in hard rock TBM device tunneling process |
Non-Patent Citations (1)
| Title |
|---|
| 朱述敏 等: "复合型土压平衡盾构推力与刀盘扭矩计算研究", 《机械制造与自动化》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108388754A (en) * | 2018-03-28 | 2018-08-10 | 中铁工程装备集团有限公司 | A kind of design method of the positive hobboing cutter spacing of TBM |
| CN108388754B (en) * | 2018-03-28 | 2021-06-11 | 中铁工程装备集团有限公司 | Design method for spacing of TBM positive hobs |
| CN112196559A (en) * | 2020-09-30 | 2021-01-08 | 山东大学 | TBM operation parameter optimization method based on optimal tunneling speed and optimal cutter consumption |
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Application publication date: 20161207 |
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