CN100491696C - Method and device for structuring tunnel by propulsion of underground box - Google Patents
Method and device for structuring tunnel by propulsion of underground box Download PDFInfo
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- CN100491696C CN100491696C CNB031470688A CN03147068A CN100491696C CN 100491696 C CN100491696 C CN 100491696C CN B031470688 A CNB031470688 A CN B031470688A CN 03147068 A CN03147068 A CN 03147068A CN 100491696 C CN100491696 C CN 100491696C
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Abstract
A method for constructing tunnel by driving underground case body to advance includes installing cutting tools to front end of said case body, passing the drawing member (such as PC-steel cable) through the case body, arranging the fixing part or driving jack to the back end of case body, arranging the driving jack or fixing part at another end, and digging segment by segment.
Description
Technical field
The present invention relates to by advancing the ground lower box to build the method and apparatus in tunnel, it builds tunnel-shaped underground structure at underground propelling concrete casing.
Background technology
Below railway track and below the highway pavement, be structured in underground underground structure of crossing these roads, the most general job practices is so-called open cut trench digging construction method, promptly with the spade of backhoe and so on etc. from digging downwards on the ground, the open cut trench digging, by the underground structure of rigging limit constructing concrete system in ditch, the limit is provided with the concrete casing, and then backfill.
,, otherwise when train operation and highway communication are preferential, cover the ditch that excavated etc. downwards, more be subjected to the restriction of time again with the auxilliary plate of temporary pavement because from digging on the ground, open cut trench digging construction method has to block train operation and highway communication.
And open cut trench digging construction method must prevent caving in of ditch, prevents that by piling and sheet pile the construction operation that caves in from also being necessary, and, underground structure construct finish after, backfill operation above it also is necessary.
Therefore, research comprises the construction of the underground structure of construction of tunnel, and the typical method of construction of tunnel is the shield construction that has the shield digger of cutting wheel in underground use at its front end.
This shield construction is as follows as everyone knows, the assembling shield digger, so that the propelling jack that utilizes its inside to have advances original eccentric circular ring non-individual body under reaction force acts, in its forward travel state, in shield digger, use the building block erector new eccentric circular ring to be connected to the front end of aforementioned non-individual body.
Like this, repeat advancing and the assembling of eccentric circular ring of shield digger alternately, carry out the construction in tunnel.
Early stage shield construction is effectively when building the tunnel in underground deep position, but is effective during construction near the shallow face of land of overburden soil.When near the shallow face of land of overburden soil, constructing, when shield digger advances, can draw the sand of the shallow part of this overburden soil, thereby part is subsided on the ground, probably can make above-ground structures be subjected to baneful influence.
And, shield digger is certainly as the cylindrical shape excavator, in addition as previously mentioned, owing to be that the cylindrical shape tunnel is built in the assembling building block on ring, when the tunnel internal with square-section that resembles tube etc. uses, because the difference of circular and rectangle, produce out of use nonuseable part at tunnel internal, carry out extra excavation, and must use extra concrete, this moment, construction cost also raise.
Summary of the invention
The objective of the invention is to eliminate aforementioned the deficiencies in the prior art, provide a kind of by advancing the ground lower box to build the method and apparatus in tunnel.Owing to needn't carry out open cut, train operation and highway communication are hindered, can guarantee their safety, and, do not need large-scale plant and equipment as shield construction, utilize the equipment of minimum scale just can carry out operation, and, the space that when excavating, does not need the top post processing etc. of interim top protecting support and building, owing to do not worry to draw the top sand yet, so can make the overlying soil minimum, even the tunnel of rectangle can not carry out extra excavation yet and constructs, therefore can the reduction of erection time and save engineering cost significantly.
The present invention is for realizing aforementioned purpose, as the method for building the tunnel by the propelling of ground lower box, first, the present invention is the method by advancing the ground lower box to build the tunnel, main points are, the front end mounting cover shape edge of a knife at casing, dispose the traction element of PC steel cable in the mode that connects casing, in the rear end side of casing fixture or traction jack are set, traction jack or fixture are set, casing is advanced in the process in the front of casing, the edge of a knife partly excavates, casting, the traction jack carry out work, draw casing thus, casing advanced a certain amount of after, repeat the excavation of edge of a knife part again, casting, and, when making the work of traction jack at the two ends of fixed traction parts, utilize the middle jack that is provided between the casing as damper, perhaps, be provided with the barrier board that utilizes barrier board forwards to push in edge of a knife inboard, when making the work of traction jack at the two ends of fixed traction parts, utilize barrier board to use jack as damper with jack.
Second aspect, main points of the present invention be, at box house, configuration is installed in the jack platform of the middle jack on the telescopic arm, and the mobile middle jack that is provided between the aforementioned casing that makes by this jack platform moves.
The third aspect, the present invention is the method by advancing the ground lower box to build the tunnel, main points are, the front end mounting cover shape edge of a knife at casing, dispose the traction element of PC steel cable in the mode that connects casing, rear end side at casing is provided with fixture or traction jack, front at casing is provided with traction jack or fixture, casing is advanced in the process, the edge of a knife partly excavates, casting, the traction jack carries out work, draw casing thus, casing advanced a certain amount of after, repeat the excavation of edge of a knife part again, casting forms the rickyard of file configuration casing before the ground that will put into casing near coal-mine, if in ground, advanced the first casing group that forms by a plurality of casings, then form the second casing group that forms by a plurality of casings, this casing group is advanced be connected, carry out aforementioned propulsion method continuously with the casing of the rearmost end of the first casing group in the rear position of rickyard.
Fourth aspect, the present invention is the method by advancing the ground lower box to build the tunnel, main points are, the front end mounting cover shape edge of a knife at casing, dispose the traction element of PC steel cable in the mode that connects casing, rear end side at casing is provided with fixture or traction jack, front at casing is provided with traction jack or fixture, casing is advanced in the process, the edge of a knife partly excavates, casting, the traction jack carries out work, draw casing thus, casing advanced a certain amount of after, repeat the excavation of edge of a knife part again, casting, with in advance and arrange and to put the roof mulched ground lower box of managing and protecting that body forms and bury the precalculated position underground, below this manages and protects roof or inner propelling casing.
The 5th aspect, as the device that in said method, uses, main points are, the front end mounting cover shape edge of a knife at casing, dispose the traction element of PC steel cable in the mode that connects casing, rear end side at casing is provided with fixture or traction jack, front at casing is provided with traction jack or fixture, casing is advanced in the process, and the edge of a knife partly excavates, casting, the traction jack carries out work, draw casing thus, casing advanced a certain amount of after, repeat the excavation of edge of a knife part again, casting is as the jack platform, configuration is provided with the mobile jumbo of frame set pallet in casing, on this frame set pallet, be provided with the supporting mass that utilizes hydraulic cylinder to move horizontally, on this supporting mass, be provided with the telescopic arm that the hydraulic cylinder by above-below direction constitutes, on this telescopic arm, be provided with aforementioned in the middle of jack.
According to first aspect present invention and the described the present invention of second aspect, be the method that excavate to advance, buries underground casing, the whole cross section of casing makes of precast concrete and since before having reached fixed intensity, the safety factor height.And, the advancing of casing of the excavation of casing front portion and utilization traction jack and traction element repeats, thereby in underground construction tunnel, therefore, do not need large-scale equipment as shield construction, and, can not resemble open cut trench digging construction method and support the place of protecting frame and make and continue unstability state ground over a long time the concrete construction method and construct having, cause obstacle also can not for the ground traffic.And, because casing former state ground forms the tunnel construction thing, excavate also be necessity the Min. shape the square-section just, can eliminate useless construction.
Especially, the traction element that configuration PC steel cable etc. forms is so that connect casing, rear end side at casing is provided with fixture or traction jack, at the other end traction jack or fixture are set, casing is advanced in the process, the edge of a knife partly excavates, casting, the work of traction jack, draw casing thus, a certain amount of if casing has advanced, also to repeat the excavation of so-called edge of a knife part, the identical work of casting, the tunnel construction method of Xing Chenging like this, when drawing, mobile casing and peripheral part produce frictional force, produce noise, vibration.This noise, vibration also become public hazards near contiguous city and dwelling house and at the scene, workshop in the place that precision instrument and computer are arranged.
And because the variation of ground state, the frictional force of casing and peripheral part sharply reduces, and by traction jack 6, the power that increases suddenly is applied to as on the PC steel cable 4 of traction element the time, exists the danger that 4 fractures of PC steel cable, traction jack damage.
To this, existing method is, peripheral part of casing particularly the bottom application of lubricating reduce friction by reducing translational speed to reduce frictional force, to improve propelling or the traction machine that is used to move.
But the method for aforementioned application of lubricating is difficult making noise and vibration aspect being reduced to a certain degree, and, because the place of application of lubricating is more sliding, the operation non-constant that becomes.
On the other hand, slow down fltting speed, hauling speed,, but still can produce to a certain degree noise and vibration, the perfect scheme of can not saying so even reduce noise and vibration.As a rule, be because in machinery, can not adjust mechanical performance like that mostly.
According to the present invention; the propelling jack or the barrier board that are provided between the casing make casing move with jack very lenitively; realized the task of damper; because becoming noise and the vibrational energy of the moment of dynamic friction from static friction is reduced to minimum; so construction is simple and operation is good; noise and vibrational energy are infinitely close to zero, also can prevent the fracture of traction element simply.
According to third aspect present invention and the described the present invention in the 5th aspect, by the propelling construction method, each casing sets middle jack separately each other, the number of middle jack becomes very many, cost is along with uprising, and jack and necessary supporting construction in the middle of each are installed on either party of front and back casing simultaneously, and the number of middle jack can be necessary minimum value, cost is also along with reduction, and jack sets in the middle of can carrying out simply.
That is to say that middle jack utilization can freely be moved as the mobile jumbo of jack platform, moves to till the position between desired casing, utilizes hydraulic cylinder that supporting mass is moved horizontally in casing, thus with the position consistency of horizontal direction.And, if the elongation telescopic arm make in the middle of jack reach the below up and move, then can make this centre jack suitable position between casing.
According to the described the present invention of fourth aspect present invention, be provided with rickyard, become the file combination to dispose casing therebetween, at such rickyard, the casing component of combination becomes a plurality of groups, if making the first casing group of being made up of a plurality of casings advances on ground, the second casing group of being made up of a plurality of casings is formed in rear position at rickyard, this group is advanced to be connected with the casing of the rearmost end of the first casing group, owing to carry out aforementioned propulsion method continuously, although rickyard can not assembled and be disposed effectively greater than essential value.
According to the described the present invention of fifth aspect present invention, with in advance and arrange and to put the formed roof mulched ground lower box of managing and protecting of body and bury the precalculated position underground, advance casing by below managing and protecting roof at this and inside, under the situation that overburden soil is few on the face of land, underground structure self section is big, also can construct safely.
Description of drawings
Fig. 1 is that expression is of the present invention by advancing the ground lower box to build the longitudinal section lateral view of the 1st embodiment of the method in tunnel.
Fig. 2 is the sectional view of Fig. 1 center line A-A.
Fig. 3 is the sectional view of Fig. 1 center line B-B.
Fig. 4 is the hydraulic circuit diagram of the middle jack that uses in the present invention.
Fig. 5 is that expression expression is of the present invention by advancing the ground lower box to build the longitudinal section lateral view of the 2nd embodiment of the method in tunnel.
Fig. 6 is that expression is of the present invention by advancing the ground lower box to build the longitudinal section lateral view of the 1st operation of the 3rd embodiment of the method in tunnel.
Fig. 7 is that expression is of the present invention by advancing the ground lower box to build the longitudinal section lateral view of the 2nd operation of the 3rd embodiment of the method in tunnel.
Fig. 8 is that expression is of the present invention by advancing the ground lower box to build the longitudinal section lateral view of the 3rd operation of the 3rd embodiment of the method in tunnel.
Fig. 9 is that expression is of the present invention by advancing the ground lower box to build the longitudinal section lateral view of the 4th operation of the 3rd embodiment of the method in tunnel.
Figure 10 is that expression is of the present invention by advancing the ground lower box to build the longitudinal section lateral view of the 5th operation of the 3rd embodiment of the method in tunnel.
Figure 11 is that expression is of the present invention by advancing the ground lower box to build the longitudinal section lateral view of the 6th operation of the 3rd embodiment of the method in tunnel.
Figure 12 is that expression is of the present invention by advancing the ground lower box to build the longitudinal section elevation of the 1st embodiment of the method in tunnel.
Figure 13 is the side view of the state that is provided with of expression jack platform.
Figure 14 is the side view of jack platform.
Figure 15 is the front view that the part of jack platform is cut open.
Figure 16 is the front view that other embodiment of top wall structure is managed and protected in expression.
Figure 17 is the front view that other embodiment of top wall structure is managed and protected in expression.
Symbol description: 1 casing; Jack in the middle of 2; 3 edges of a knife; The 4PC steel cable; 5 fixtures; 6 traction jack; 7 lateral margins; 8 tracks; 9 chassis; 10 wheels; 11 gear motors; 12 frame set pallets; 13a, 13b hydraulic pressure unit; 14 cable hanks; 15 collision safety devices; 16 hydraulic cylinders; 17 supporting masses; 18 telescopic arms; 19 level frames; 20 operation boards; 21 operation platforms; 22 cat ladders; 23 barrier board jack; 24 barrier boards; 25 fence; 26 rickyards; 27 arrive the hole; 28 manage and protect roof; The 28a body; 31 guiding holes; 32 pressure-bearing walls; 33 jack platforms; Jack in the middle of 34; 35 pillars; Jack in the middle of 36; 37 seam waterproofs; 38 railway tracks; 39 reaction force bodies; 41 outlets; 42 return ports; 43 hydraulic pumps; 44 outlets; 45 return ports; 46 bypass circulations; 47 bypass valve.
The specific embodiment
Below, with reference to the accompanying drawings, describe embodiments of the present invention in detail.Fig. 1 be expression of the present invention Fig. 2 is the sectional view of Fig. 1 center line A-A by advancing the ground lower box to make up the skiagraph of first embodiment of the method in tunnel, Fig. 3 is the sectional view of Fig. 1 center line B-B.
The present invention is a kind of method of advance infinitely voluntarily, be suitable for be positioned at highway or rail track 38 under etc. the superficial position of overlying soil thickness build the tunnel-shaped underground structure of crossing these roads.
A plurality of (more than 3) concrete casing 1 is arranged side by side, jack 2 in the middle of being provided with between this casing 1.
And the front end of casing 1 in front is equipped with and covers the shape edge of a knife 3, and the PC steel cable 4 that is provided as traction element is provided with fixture 5 and traction jack 6 to connect whole casings 1 in the end of steel cable.39 are arranged on the reaction force body that the steel concrete wall that arrives hole 27 sides etc. is made among the figure.
Moreover, configuration as for fixture 5 and traction jack 6, illustrated embodiment shows in reaction force body 39 sides fixture 5 is set, in the end the rear end face of the casing 1 of end is provided with the situation of traction jack 6, but conversely, counter-force body 39 sides be provided with traction jack 6 and in the end the rear end face of casing 1 of end that fixture 5 is set is also passable.
Like this, excavate through the part of the edge of a knife 3, elongation is contained in the stroke of the middle jack 2 between the casing 1 of the casing 1 of front and its back, make advance at every turn a certain amount of, a certain amount of if whole box body 1 is advanced, also to from the beginning repeat same work.At this moment, in first casing 1 that makes the front advances, fixture 5 and traction jack 6 are not stressed, as reaction force, middle the jack 2 between first casing 1 and second casing 1 is worked the deadweight of the casing 1 of back and frictional resistance that overburden soil pressure produces.
Then, fixture 5 and traction jack 6 are fixed on the PC steel cable 4, and 6 work of traction jack make 4 tensionings of PC steel cable, with the 1st casing 1 and the 3rd casing 1 is counter-force, by the middle jack 2 between the 2nd casing 1 and the 3rd casing 1 the 2nd casing 1 is advanced.
With the 1st casing 1 and the 2nd casing 1 is counter-force, drives traction jack 6, and traction is advanced the 3rd casing 1 thus.
Fig. 4 shows the hydraulic circuit of this centre jack 2, and the 41st, the outlet of middle jack 2, the 42nd, return port, the 43rd, hydraulic pump, the 44th, the outlet of hydraulic pump 43, the 45th, return port.
The outlet 44 of outlet 41 that connects this centre jack 2 and hydraulic pump 43 and be connected return port 42 and the hydraulic tube road of return port 15 in formation bypass circulation 46, this bypass circulation 46 is provided with bypass valve 47.
And, resembling the present invention is fixed on fixture and traction jack 6 on the PC steel cable 4 like this, make these PC steel cable 4 tensioning limits make the work of traction jack 6 on the limit and in the traction casing 1, hydraulic pump 43 quits work, and, bypass valve 47 and other valve on the aforementioned bypass circulation 46 are opened, and make the middle jack 2 between the casing 1 non-loaded.
If so, in these bypass circulation 46 parts, the hydraulic cylinder of jack 2 in the middle of about 1/3 oil is got back to, about 1/3 oil is got back to fuel tank, middle jack 2 can be utilized as damper.
Consequently, can make and become noise, the vibration of the moment of dynamic friction from static friction and drop to minimum.
Fig. 5 represents the 2nd embodiment of the present invention, and the barrier board jack 23 that is made of little jack is set in the edge of a knife 3 of casing 1, and Tui Ya barrier board 24 is installed in this barrier board with on the jack 23 forward.This barrier board is configured in the leading section of casing 1 with jack 23.
The part of the edge of a knife 3 is excavated, fixture 5 and traction jack 6 are fixed on the PC steel cable 4,6 work of traction jack make 4 tensionings of PC steel cable, thus traction casing 1.
If it is a certain amount of that casing 1 advances, then carry out excavation, the casting of the edge of a knife 3, repeat identical work then.
And, after through the excavation in the edge of a knife 3, aforementioned barrier board is installed with jack 23 and barrier board 24, extend this barrier board with jack 23, make barrier board 24 pushing excavation faces, prevent landslide.
With PC steel cable 4 traction casings 1 time, make barrier board lax with jack 23, it can be utilized as damper.
Moreover, in aforementioned the 2nd embodiment, also can be used as the construction method that advances infinitely voluntarily, wherein casing 1 is identical with aforementioned the 1st embodiment, is arranged side by side a plurality of (more than 3) concrete casing, jack in the middle of setting between this casing.
Fig. 6 represents the 3rd embodiment of the present invention, to build cross highway and railway, airfield runway and other road under the tunnel-like underground structure time, front side in the place that will construct forms the rickyard 26 that is built into making fence 25 such as steel pipe as the hole of setting out.
In addition, form to arrive hole 27 at rear side, arrive hole 27 from rickyard 26 side direction and connect and insert body 28a, be arranged side by side this body 28a, structure is managed and protected roof 28 around what the ground lower box was buried the precalculated position underground.
This end of managing and protecting roof 28 becomes will excavate near coal-mine, is used to cut fence 25 and advances concrete casing 1, and aforementioned rickyard 26 just is formed at its front.32 is the pressure-bearing walls that are provided with at the rear of rickyard 26 among the figure.
As shown in figure 12, in the inside of managing and protecting roof 28, form the guiding hole 31 that is connected to arrival hole 27 from rickyard 26 at place, lower wall angle.
Targeting part when this guiding hole 31 becomes the propelling of casing 1 described later is embedded with the concrete of H steel and the wall concrete that is embedded with the H steel in the sidewall pouring in the loading bottom pouring of casing 1.
The 1st casing 1 placed side by side be to the 7th casing 1 in rickyard 27, is provided with the edge of a knife 3 at the front end of the 1st casing 1, also disposes lateral margin 7 between casing 1.
1 also arranges the rear of putting at rickyard 26 from the 1st casing 1 to the 7th casing, PC steel cable 4 is inserted from the 5th casing 1 penetrate into the 7th casing 1, front at the 5th casing 1 is provided with fixture 5, in the rear end side of the 7th casing 1 traction jack 6 is installed.
The supporting mass 17 that utilizes the horizontal frame that hydraulic cylinder 16 moves horizontally is set, with the telescopic arm 18 of the hydraulic cylinder of the aforementioned above-below direction of these supporting mass 17 supportings on aforesaid frame group pallet 12.This telescopic arm 18 can be from frame set pallet 12 outstanding up and down, thereon the lower end install be set side by side with a plurality of in the middle of the level frame 19 of jack 2.
20 operation boards that are arranged on frame set pallet 12 tops among the figure, the 21st, with the running platform that this operation board 20 is oppositely arranged, this running platform 21 utilizes cat ladder 22 liftings on it.
Moreover, track 8 can stretch between casing 1, diagram is omitted, but constitute the track that is fixed on each casing 1 in addition, be provided with the roughly track component of half of shape in the longitudinal direction in the end of two tracks, make these roughly the track component of half shape engage sliding freely at length direction, become the pars contractilis of a track.
By 34 work of jack in the middle of making, the 1st casing 1 advances.When the stroke of this centre jack 34 shortened, jack platform 33 moved between the 2nd casing 1 and the 3rd casing 1.
Make chassis 9 motions, this chassis 9 strides across between the casing 1.And, utilize hydraulic cylinder 16 that supporting mass 17 is moved horizontally, the position of the horizontal direction of jack 2 in the middle of adjusting, so that the position between the 2nd casing 1 and the 3rd casing 1, and, if jack 2 moved with the below upward in the middle of elongation telescopic arm 18 made, then this centre jack 2 can be between the 2nd casing 1 and the 3rd casing 1 suitable position.
The edge of a knife 3 parts at the 1st casing 1 begin to excavate, to advance next time.
The stroke of jack 2 makes the 2nd casing 1 advance a certain amount of in the middle of elongation between aforementioned the 2nd casing 1 and the 3rd casing 1.So after the forward operation of the 2nd casing 1 finished, the stroke of middle jack 2 shortened, and then shortened telescopic arm 18, avoided 1 of casing, and chassis 9 is moved between the 3rd casing 1 and the 4th casing 1.Equally, the 3rd casing 1 advanced, below the 4th, the 5th casing 1 advanced.
Elongation by jack 34 in the middle of fixed between the 6th casing 1 and the 7th casing 1 is advanced the 6th casing 1.
In propelling, because the deadweight deficiency of follow-up casing 1,, replenish not enough part by PC steel cable 4 reaction force of casing 1 transmitting tractive jack 6 forwards near the casing 1 of these the 5th casing 1 and the 6th rearmost end such as casing 1.
That is to say that the propelling of the 7th casing 1 of rearmost end is by making 6 work of traction jack, tension PC steel cable 4, advancing and forwards stretch.At this moment, jack 34 in the middle of fixed between the 6th casing 1 and the 7th casing 1 becomes free state from its elongation state, shortens at leisure along with the propelling of aforementioned the 7th casing 1.
Thus, fixed in the middle of jack 34 as damper, do not have the 7th casing 1 suddenly before so that collide the 6th destruction that casing 1 is brought.
Because in the end advancing when finishing of the casing 1 of end just finished propelling once (about 30cm), so carry out repetitive operation again.
So it is near coal-mine that the edge of a knife 3 of the 1st casing 1 is positioned at the end of managing and protecting roof 28, make this manage and protect the inner propelling of roof.At this moment, reconfigure aforementioned PC steel cable 4, so that penetrate into the 7th casing 1 from 1 insertion of the 2nd casing.
As shown in Figure 7, if be advanced in the ground near the 4th casing 1, then at the rear of rickyard 26 the 8th casing 1 arranged side by side to the 10th casing 1, as the 2nd casing group, as shown in Figure 8, it has also set PC steel cable 4, fixture 5, traction jack 6 and fixed middle jack 34 these parts.
From the 8th casing 1 to the 10th casing 1, if the 8th casing 1 built at the rear at rickyard 26 earlier, then utilize pillar 35 and middle jack 36 that the 8th casing 1 advanced, build the 9th casing 1 at its rear, and it is advanced, build the 10th casing 1 at the rear of the 9th casing 1.
And, the 2nd casing group advanced, and with the rearmost end of initial casing group, that is to say that the 7th casing 1 connects, and proceeds aforesaid propelling construction method.
With during the 2nd casing group is connected, reconfigure aforementioned PC steel cable 4 in this initial casing group, penetrate into the 7th casing 1 so that it is inserted from the 5th casing 1.
As shown in Figure 1, when the edge of a knife 3 of the 1st casing 1 reaches when arriving hole 27, withdraw jack 34 in the middle of fixed between the 1st casing 1 and the 2nd casing 1, push the back of the 2nd casing 1, the 1st casing 1 is connected with the 2nd casing 1.
As shown in figure 11, below, the gap of similarly eliminating the fore-and-aft direction of the 2nd casing 1 back, and withdraw the edge of a knife 3 from arriving hole 27 sides, in the periphery grouting of casing 1, carry out the mutual seam waterproof 37 of casing 1, managing and protecting the inside filling concrete slurry of roof 28, finish construction.
Moreover, as other embodiment manage and protect roof 28, existing as shown in figure 16 and arrange and put body 28a so that around all situations of casing 1, also have as shown in figure 17 above casing 1 and the situation etc. of arranging the body 28a that puts traverse.
The invention effect
As mentioned above, the method and apparatus in tunnel is built in the propelling of passing through underground box of the present invention, Owing to needn't carry out open cut, can not cause obstruction to train operation and highway communication, can guarantee it Security, and, do not need large-scale plant and equipment such as shield construction, utilize minimum scale Equipment just can carry out operation, and, when excavating, do not need interim top protecting support and The space of the top post processing of building etc. is not owing to worry drawing top sand, energy yet Make the overlying soil minimum, even the tunnel of rectangle can not carry out extra excavation yet and constructs, Therefore can the reduction of erection time and save significantly engineering cost.
And noise, vibrational energy ad infinitum approach zero, also can prevent simply traction element Damage.
And the number of jack is minimum for minimum of a value, the cost that needs in the middle of making Simultaneously, the configuration of jack can realize the laborsaving of construction operation in the middle of can carrying out simply Change.
In addition, put the formed roof of managing and protecting of body around underground box with also arranging in advance Bury the precalculated position underground, if manage and protect the inner casing that advances of roof at this, on the face of land overburden soil few, In the big situation of underground structure self section, also can construct safely.
Claims (6)
1. method of building the tunnel by the propelling of ground lower box, it is characterized in that, the front end mounting cover shape edge of a knife at casing, dispose the traction element of PC steel cable in the mode that connects casing, rear end side at casing is provided with fixture or traction jack, front at casing is provided with traction jack or fixture, casing is advanced in the process, and the edge of a knife partly excavates, casting, the traction jack carries out work, draw casing thus, casing advanced a certain amount of after, repeat the excavation of edge of a knife part again, casting, and, when making the work of traction jack at the two ends of fixed traction parts, utilize the middle jack that is provided between the casing as damper.
2. method of building the tunnel by the propelling of ground lower box, it is characterized in that, the front end mounting cover shape edge of a knife at casing, dispose the traction element of PC steel cable in the mode that connects casing, rear end side at casing is provided with fixture or traction jack, front at casing is provided with traction jack or fixture, casing is advanced in the process, the edge of a knife partly excavates, casting, the traction jack carries out work, draw casing thus, casing advanced a certain amount of after, repeat the excavation of edge of a knife part again, casting, and, be provided with the barrier board that utilizes barrier board forwards to push in edge of a knife inboard, when making the work of traction jack at the two ends of fixed traction parts, utilize barrier board to use jack as damper with jack.
3. method of building the tunnel as claimed in claim 1 or 2 by the propelling of ground lower box, it is characterized in that, at box house, the jack platform of jack in the middle of configuration is equipped with on telescopic arm, the mobile middle jack that is provided between the aforementioned casing that makes by this jack platform moves.
4. method of building the tunnel by the propelling of ground lower box, it is characterized in that, the front end mounting cover shape edge of a knife at casing, dispose the traction element of PC steel cable in the mode that connects casing, rear end side at casing is provided with fixture or traction jack, front at casing is provided with traction jack or fixture, casing is advanced in the process, the edge of a knife partly excavates, casting, the traction jack carries out work, draw casing thus, casing advanced a certain amount of after, repeat the excavation of edge of a knife part again, casting forms the rickyard of file configuration casing before casing being inserted into ground near coal-mine, if advance the first casing group that is formed by a plurality of casings in ground, then form the second casing group that forms by a plurality of casings in the rear position of rickyard, this casing group is advanced, be connected, proceed aforementioned propelling with the casing of the rearmost end of the first casing group.
5. method of building the tunnel by the propelling of ground lower box, it is characterized in that, the front end mounting cover shape edge of a knife at casing, dispose the traction element of PC steel cable in the mode that connects casing, rear end side at casing is provided with fixture or traction jack, front at casing is provided with traction jack or fixture, casing is advanced in the process, the edge of a knife partly excavates, casting, the traction jack carries out work, draw casing thus, casing advanced a certain amount of after, repeat the excavation of edge of a knife part again, casting is with in advance and arrange the roof mulched ground lower box of managing and protecting put body and to form and bury the precalculated position underground, below this manages and protects roof or inner propelling casing.
6. the device in tunnel is built in the propelling by the ground lower box, it is characterized in that, the front end mounting cover shape edge of a knife at casing, dispose the traction element of PC steel cable in the mode that connects casing, rear end side at casing is provided with fixture or traction jack, front at casing is provided with traction jack or fixture, casing is advanced in the process, the edge of a knife partly excavates, casting, the traction jack carry out work, draw casing thus, casing advanced a certain amount of after, repeat the excavation of edge of a knife part again, casting, as the jack platform, configuration is provided with the mobile jumbo of frame set pallet in casing, on this frame set pallet the supporting mass that utilizes hydraulic cylinder to move horizontally is set, the telescopic arm that hydraulic cylinder by above-below direction forms is set on this supporting mass, on this telescopic arm, is provided with the centre jack.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031470688A CN100491696C (en) | 2003-08-29 | 2003-08-29 | Method and device for structuring tunnel by propulsion of underground box |
| HK05105107.4A HK1072455A1 (en) | 2003-08-29 | 2005-06-20 | Method and device for constructing a tunnel by propelling an underground caisson |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031470688A CN100491696C (en) | 2003-08-29 | 2003-08-29 | Method and device for structuring tunnel by propulsion of underground box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1590706A CN1590706A (en) | 2005-03-09 |
| CN100491696C true CN100491696C (en) | 2009-05-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031470688A Expired - Lifetime CN100491696C (en) | 2003-08-29 | 2003-08-29 | Method and device for structuring tunnel by propulsion of underground box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100491696C (en) |
| HK (1) | HK1072455A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275473A (en) * | 2015-09-30 | 2016-01-27 | 梁定辉 | Propulsion device for pipeline mining |
| CN110359916B (en) * | 2018-03-26 | 2021-05-28 | 植村技研工业株式会社 | Construction method for underground structure |
| CN108590710B (en) * | 2018-06-25 | 2023-12-15 | 中南大学 | Underground goaf inner prefabricated roadway to be filled and construction method |
| CN111829804B (en) * | 2020-07-24 | 2023-03-24 | 上海隧道工程有限公司 | Shield propulsion simulation test platform |
-
2003
- 2003-08-29 CN CNB031470688A patent/CN100491696C/en not_active Expired - Lifetime
-
2005
- 2005-06-20 HK HK05105107.4A patent/HK1072455A1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CN1590706A (en) | 2005-03-09 |
| HK1072455A1 (en) | 2005-08-26 |
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