CN107575236A - A kind of excavation construction method of Tunnel Engineering - Google Patents
A kind of excavation construction method of Tunnel Engineering Download PDFInfo
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- CN107575236A CN107575236A CN201710891887.1A CN201710891887A CN107575236A CN 107575236 A CN107575236 A CN 107575236A CN 201710891887 A CN201710891887 A CN 201710891887A CN 107575236 A CN107575236 A CN 107575236A
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Abstract
The invention discloses a kind of excavation construction method of Tunnel Engineering, it is characterised in that including following methods step：Determine the excavation contour line of excavated section；Excavated section is divided at least four excavation portions；Excavated using plant equipment.A kind of excavation construction method of Tunnel Engineering of the present invention is excavated using development machine by the way that the excavated section in tunnel is divided into more than four excavation portions, reduces the destruction to surrounding rock body, ensure that safe construction；And each excavation portion is synchronously constructed after excavating, operating efficiency is high；In addition, development machine is provided with monitoring device, implementing monitoring can be carried out to work progress and the emergency situations to appearance carry out early warning, unsafe factor is eliminated in advance, further increases the safety of work progress.
Description
Technical field
The present invention relates to a kind of method for tunnel construction, more specifically a kind of excavation construction method of Tunnel Engineering.
Background technology
The method that traditional constructing tunnel uses Blasting Excavation mostly, then will be broken by the rock in explosion tunnel
Rock and the earthwork afterwards carries out, and this method has the characteristics of operating efficiency is high, but this kind of method for some rock mass more
Just it is adapted in the case of stable；Because the situation of the massif of different regions is different, rock mass self-stability is poor, face during construction
It is easily broken, some even has gas well station beside construction, and according to blast working, risk is larger, and personal security obtains not
It is at present, general using manually being constructed by pneumatic pick or using small-sized mechanical work for such situation to guarantee,
This construction method hand labor intensity is big, operating efficiency bottom, while there is also potential safety hazard.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of excavation construction method of Tunnel Engineering.
To achieve the above object, the present invention uses following technical scheme：A kind of excavation construction method of Tunnel Engineering, including
Following methods step：
S10, the excavation contour line for determining excavated section；
S20, excavated section is divided at least four excavation portions；
S30, excavated using plant equipment.
Its further technical scheme is：Described plant equipment is development machine.
Its further technical scheme is：The development machine include walking mechanism, operating mechanism, loader mechanism, transshipment acitivity,
Dedusting mechanism, walking mechanism are pushed ahead, the continuous fractured rock of the cutting head in operating mechanism, while dedusting mechanism is to kata-rocks
Dust caused by stone carries out dedusting, and loader mechanism and transshipment acitivity transport detritus.
Its further technical scheme is：The development machine also includes monitoring device, and the monitoring device includes camera, powder
Dust concentration detector, Carbon Monoxide Detection alarm.
Its further technical scheme is：The development machine, which is provided with, to be used to determine the infrared emitting dress for excavating contouring line
Put.
Its further technical scheme is：Excavated section is divided into four excavation portions, respectively upper left quarter, lower left quarter, upper right
Portion, right lower quadrant, step S30 include step in detail below：
S301, upper left quarter is excavated；
S302, when upper left quarter excavate a segment distance after, lower left quarter is excavated；
S303, when lower left quarter excavate a segment distance after, upper right quarter is excavated；
S304, when upper right quarter excavate a segment distance after, right lower quadrant is excavated；
When S305, one of excavation portion are excavated, the excavation portion excavated before is synchronously excavated, until completing whole dig
Dig section.
Its further technical scheme is：In step S301, after cyclic advance 0.75m, just spray 4cm concretes are carried out, lay steel
Muscle net, arch steelframe and median septum steelframe are set up, perform lock pin conduit, and continue jetting cement to design thickness；In step S302,
When upper left quarter excavates 3~5m, lower left quarter is excavated；After cyclic advance 1.2m, just spray 4cm concretes are carried out, lay reinforcing bar
Net, lower abutment wall, median septum steelframe are set up, perform work lock pin conduit, and continue jetting cement to design thickness；In step S303, when
When lower left quarter excavates 8~10m, upper right quarter is excavated；After cyclic advance 0.6m, just spray 4cm concretes are carried out, lay reinforcing bar
Net, lower abutment wall, median septum steelframe are set up, performs lock pin conduit, and continue jetting cement to design thickness；In step S304, work as the right side
When 3~5m is excavated on top, bar-mat reinforcement is laid, sets up abutment wall, median septum steelframe and inverted arch steelframe, performs and locks pin conduit, and after
Continue jetting cement to design thickness.
Its further technical scheme is：Excavated section is divided into six excavation portions, respectively upper left quarter, left portion, lower-left
Portion, upper right quarter, right middle, right lower quadrant, step S30 include step in detail below：
A301, upper left quarter is excavated；
A302, when upper left quarter excavate a segment distance after, left portion is excavated；
A303, when left portion excavate a segment distance after, upper right quarter is excavated；
A304, when upper right quarter excavate a segment distance after, right middle is excavated；
A305, when right middle excavate a segment distance after, lower left quarter is excavated；
A306, when lower left quarter excavate a segment distance after, right lower quadrant is excavated.
When A307, one of excavation portion are excavated, the excavation portion excavated before is synchronously excavated, until completing whole dig
Dig section.
Its further technical scheme is：Between step S10 and step S20, in addition to step S15, taken turns along described excavate
Profile is embedded in conduit, and by conduit to grouting and reinforcing on the inside of excavated section.
Compared with the prior art, the invention has the advantages that：A kind of excavation construction method of Tunnel Engineering of the present invention passes through
The excavated section in tunnel is divided into more than four excavation portions, is excavated using development machine, reduces the destruction to surrounding rock body,
It ensure that safe construction；And each excavation portion is synchronously constructed after excavating, operating efficiency is high；In addition, on development machine
Provided with monitoring device, implementing monitoring can be carried out to work progress and the emergency situations to appearance carry out early warning, is eliminated in advance
Unsafe factor, further increase the safety of work progress.
Described above is only the general introduction of technical solution of the present invention, can in order to better understand technical measure
Content according to specification is practiced, and in order to make above and other objects of the present invention, feature and advantage brighter
It is aobvious understandable, below especially exemplified by preferred embodiment, describe in detail as follows.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the excavation construction method specific embodiment of Tunnel Engineering of the present invention；
Fig. 2 is the sub-step flow of step S30 in a kind of excavation construction method specific embodiment of Tunnel Engineering of the present invention
Figure；
Fig. 3 is a kind of flow chart of the excavation construction method another specific embodiment of Tunnel Engineering of the present invention.
Embodiment
In order to more fully understand the technology contents of the present invention, technical scheme is entered with reference to specific embodiment
One step introduction and explanation, but it is not limited to this.
Specific embodiment as shown in Figure 1, a kind of excavation construction method of Tunnel Engineering of the present invention, including following methods step
Suddenly：
S10, the excavation contour line for determining excavated section；
S20, excavated section is divided at least four excavation portions；
S30, excavated using plant equipment.
Specifically, plant equipment is development machine.Development machine includes walking mechanism, operating mechanism, loader mechanism, conveyance
Structure, dedusting mechanism, walking mechanism are pushed ahead, the continuous fractured rock of the cutting head in operating mechanism, while dedusting mechanism is to broken
Dust caused by crushed rocks carries out dedusting, and loader mechanism and transshipment acitivity transport detritus.Development machine is additionally provided with monitoring device,
Detection means can be established with outside and communicated, and monitoring device includes camera, and camera can be monitored in real time to work progress, and
The picture of monitoring is sent to the Control Room of outside；Dust concentration detector can detect to dust concentration in tunnel, can be right
The dust concentration in tunnel is recorded in work progress；Carbon Monoxide Detection alarm, if the carbon monoxide in monitoring tunnel is dense
Spend exceeded, alarm can be sent, and notify the staff in tunnel, in order to the measure that properly protects in time.Preferably, digging
The top for entering machine frame is provided with infrared transmitting device, and the infrared beam that infrared transmitting device is sent, which is formed, excavates contouring
Line, development machine, which is excavated, has guiding function, makes mining process more accurate.
Specific embodiment as shown in Figure 2, excavated section is divided into four excavation portions, respectively upper left quarter, lower left quarter,
Upper right quarter, right lower quadrant, the order of excavation include step in detail below：
S301, upper left quarter is excavated；
S302, when upper left quarter excavate a segment distance after, lower left quarter is excavated；
S303, when lower left quarter excavate a segment distance after, upper right quarter is excavated；
S304, when upper right quarter excavate a segment distance after, right lower quadrant is excavated；
When S305, one of excavation portion are excavated, the excavation portion excavated before is synchronously excavated, until completing whole dig
Dig section.
Further, in step S301, after cyclic advance 0.75m, just spray 4cm concretes is carried out, lay bar-mat reinforcement, set up arch
Portion's steelframe and median septum steelframe, lock pin conduit is performed, and continue jetting cement to design thickness；In step S302, when upper left quarter is dug
When digging 3~5m, lower left quarter is excavated；After cyclic advance 1.2m, just spray 4cm concretes are carried out, lay bar-mat reinforcement, set up following
Wall, median septum steelframe, work lock pin conduit is performed, and continue jetting cement to design thickness；In step S303, when lower left quarter excavates 8
During~10m, upper right quarter is excavated；After cyclic advance 0.6m, just spray 4cm concretes are carried out, lay bar-mat reinforcement, set up following
Wall, median septum steelframe, lock pin conduit is performed, and continue jetting cement to design thickness；In step S304, when upper right quarter excavate 3~
During 5m, bar-mat reinforcement is laid, sets up abutment wall, median septum steelframe and inverted arch steelframe, performs lock pin conduit, and continues jetting cement to setting
Count thickness.
Between step S10 and step S20, in addition to step S15, ductule is embedded in along excavation contour line, and by small
Conduit is to grouting and reinforcing on the inside of excavated section.
After step S30, in addition to the dismounting to median septum steelframe, inverted arch basal plane processing is carried out, lays inverted arch waterproof layer,
Assembling reinforcement, pour into a mould secondary inverted arch concrete；The basal plane processing of abutment wall arch is carried out, waterproof layer is laid, assembling reinforcement, carries out abutment wall
Arch two serves as a contrast concrete cast.
Another embodiment as shown in Figure 3, excavated section is divided into six excavation portions, respectively upper left quarter, left
Portion, lower left quarter, upper right quarter, right middle, right lower quadrant, the order of excavation include step in detail below：
A301, upper left quarter is excavated；
A302, when upper left quarter excavate a segment distance after, left portion is excavated；
A303, when left portion excavate a segment distance after, upper right quarter is excavated；
A304, when upper right quarter excavate a segment distance after, right middle is excavated；
A305, when right middle excavate a segment distance after, lower left quarter is excavated；
A306, when lower left quarter excavate a segment distance after, right lower quadrant is excavated.
When A307, one of excavation portion are excavated, the excavation portion excavated before is synchronously excavated, until completing whole dig
Dig section.
Summary：A kind of excavation construction method of Tunnel Engineering of the present invention by the excavated section in tunnel by being divided into four
Above excavation portion, is excavated using development machine, reduces the destruction to surrounding rock body, ensure that safe construction；It is and every
Individual excavation portion is synchronously constructed after excavating, and operating efficiency is high；In addition, development machine is provided with monitoring device, can be to construction
Process carries out implementing monitoring and the emergency situations to appearance carry out early warning, eliminates unsafe factor in advance, further increases
The safety of work progress.
The above-mentioned technology contents that the present invention is only further illustrated with embodiment, in order to which reader is easier to understand, but not
Represent embodiments of the present invention and be only limitted to this, any technology done according to the present invention extends or recreation, by the present invention's
Protection.Protection scope of the present invention is defined by claims.
Claims (9)
1. a kind of excavation construction method of Tunnel Engineering, it is characterised in that including following methods step：
S10, the excavation contour line for determining excavated section；
S20, excavated section is divided at least four excavation portions；
S30, excavated using plant equipment.
A kind of 2. excavation construction method of Tunnel Engineering according to claim 1, it is characterised in that described plant equipment
For development machine.
3. the excavation construction method of a kind of Tunnel Engineering according to claim 2, it is characterised in that the development machine includes
Walking mechanism, operating mechanism, loader mechanism, transshipment acitivity, dedusting mechanism, walking mechanism are pushed ahead, cutting in operating mechanism
The continuous fractured rock of head is cut, while dedusting mechanism carries out dedusting, loader mechanism and conveyance to dust caused by fractured rock
Structure transports detritus.
4. the excavation construction method of a kind of Tunnel Engineering according to claim 2, it is characterised in that the development machine also wraps
Monitoring device is included, the monitoring device includes camera, dust concentration detector, Carbon Monoxide Detection alarm.
5. the excavation construction method of a kind of Tunnel Engineering according to claim 2, it is characterised in that the development machine is provided with
For determining the infrared transmitting device of excavation contouring line.
6. the excavation construction method of a kind of Tunnel Engineering according to claim 1, it is characterised in that excavated section is divided into
Four excavation portions, respectively upper left quarter, lower left quarter, upper right quarter, right lower quadrant, step S30 include step in detail below：
S301, upper left quarter is excavated；
S302, when upper left quarter excavate a segment distance after, lower left quarter is excavated；
S303, when lower left quarter excavate a segment distance after, upper right quarter is excavated；
S304, when upper right quarter excavate a segment distance after, right lower quadrant is excavated；
When S305, one of excavation portion are excavated, the excavation portion excavated before is synchronously excavated, until completing whole excavation road
Section.
7. the excavation construction method of a kind of Tunnel Engineering according to claim 6, it is characterised in that in step S301, often
After cyclic advance 0.75m, just spray 4cm concretes are carried out, lay bar-mat reinforcement, set up arch steelframe and median septum steelframe, performed lock pin and lead
Pipe, and continue jetting cement to design thickness；In step S302, when upper left quarter excavates 3~5m, lower left quarter is excavated；Often
After cyclic advance 1.2m, just spray 4cm concretes are carried out, lay bar-mat reinforcement, set up lower abutment wall, median septum steelframe, perform work lock pin conduit,
And continue jetting cement to design thickness；In step S303, when lower left quarter excavates 8~10m, upper right quarter is excavated；Often follow
After ring drilling depth 0.6m, first spray 4cm concretes are carried out, lay bar-mat reinforcement, set up lower abutment wall, median septum steelframe, performs and locks pin conduit, and after
Continue jetting cement to design thickness；In step S304, when upper right quarter excavates 3~5m, bar-mat reinforcement is laid, sets up abutment wall, median septum
Steelframe and inverted arch steelframe, lock pin conduit is performed, and continue jetting cement to design thickness.
8. the excavation construction method of a kind of Tunnel Engineering according to claim 1, it is characterised in that excavated section is divided into
Six excavation portions, respectively upper left quarter, left portion, lower left quarter, upper right quarter, right middle, right lower quadrant, step S30 include following tool
Body step：
A301, upper left quarter is excavated；
A302, when upper left quarter excavate a segment distance after, left portion is excavated；
A303, when left portion excavate a segment distance after, upper right quarter is excavated；
A304, when upper right quarter excavate a segment distance after, right middle is excavated；
A305, when right middle excavate a segment distance after, lower left quarter is excavated；
A306, when lower left quarter excavate a segment distance after, right lower quadrant is excavated.
When A307, one of excavation portion are excavated, the excavation portion excavated before is synchronously excavated, until completing whole excavation road
Section.
9. the excavation construction method of a kind of Tunnel Engineering according to claim 1, it is characterised in that in step S10 and step
Between rapid S20, in addition to step S15, conduit is embedded in along the excavation contour line, and by conduit to slip casting on the inside of excavated section
Reinforce.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710891887.1A CN107575236A (en) | 2017-09-27 | 2017-09-27 | A kind of excavation construction method of Tunnel Engineering |
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| CN201710891887.1A CN107575236A (en) | 2017-09-27 | 2017-09-27 | A kind of excavation construction method of Tunnel Engineering |
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| CN106968691A (en) * | 2017-05-23 | 2017-07-21 | 中国十七冶集团有限公司 | Improve CD method construction methods in a kind of extremely frigid zones silty clay tunnel |
| CN107152283A (en) * | 2017-07-11 | 2017-09-12 | 中交隧道工程局有限公司 | It is a kind of in shallow tunnel weak surrounding rock use cross hang step excavation method |
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2017
- 2017-09-27 CN CN201710891887.1A patent/CN107575236A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| UA68973U (en) * | 2005-05-27 | 2012-04-25 | Сфт Гмбх Компакт Фильтр Техник | Ventilation device with entry driving unit at operation of underground combine |
| CN101144384A (en) * | 2007-11-01 | 2008-03-19 | 中铁二局股份有限公司 | Tunnel engineering non-blasting weak disturbance excavating method |
| CN103628872A (en) * | 2013-12-05 | 2014-03-12 | 江西华煤重装有限公司 | Folding-arm type tunneling machine capable of monitoring intelligently and automatically regulating rotate speed of cutting head |
| CN104405402A (en) * | 2014-10-13 | 2015-03-11 | 中铁二院重庆勘察设计研究院有限责任公司 | Symmetric middle separation wall construction method for hidden type middle wall multi-arch tunnel |
| CN106968691A (en) * | 2017-05-23 | 2017-07-21 | 中国十七冶集团有限公司 | Improve CD method construction methods in a kind of extremely frigid zones silty clay tunnel |
| CN107152283A (en) * | 2017-07-11 | 2017-09-12 | 中交隧道工程局有限公司 | It is a kind of in shallow tunnel weak surrounding rock use cross hang step excavation method |
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