CN102155233A - Tunnel excavation construction method - Google Patents

Tunnel excavation construction method Download PDF

Info

Publication number
CN102155233A
CN102155233A CN2011101008079A CN201110100807A CN102155233A CN 102155233 A CN102155233 A CN 102155233A CN 2011101008079 A CN2011101008079 A CN 2011101008079A CN 201110100807 A CN201110100807 A CN 201110100807A CN 102155233 A CN102155233 A CN 102155233A
Authority
CN
China
Prior art keywords
tunnel
way
transverse passage
main track
pilot
Prior art date
Application number
CN2011101008079A
Other languages
Chinese (zh)
Other versions
CN102155233B (en
Inventor
徐正良
黄爱军
田海波
张海波
Original Assignee
上海市城市建设设计研究院
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海市城市建设设计研究院 filed Critical 上海市城市建设设计研究院
Priority to CN 201110100807 priority Critical patent/CN102155233B/en
Publication of CN102155233A publication Critical patent/CN102155233A/en
Application granted granted Critical
Publication of CN102155233B publication Critical patent/CN102155233B/en

Links

Abstract

The invention relates to a tunnel excavation construction method; an excavated tunnel comprises a first main line tunnel conventional segment, a first main line tunnel expansion segment, a second main line tunnel conventional segment, a second main line tunnel expansion section and a maximum cross section tunnel section; the method comprises the following steps of: firstly excavating the maximum cross section tunnel section, and then excavating in a transitional way from a big cross section to a smaller cross section of the maximum cross section tunnel segment, thereby realizing the excavation construction on a subway interval tunnel containing a junction line and a stop line in a big to small necked-down section mode. The method has the beneficial technical effects: (1) only one vertical shaft needs to be arranged, and the construction workload is less; (2) the overall process is in a transitional way from the big cross section to the smaller cross section, and the reverse expansion construction is not needed so as to avoid the risk of expansion excavation construction; (3) the excavation construction is carried out on the subway interval tunnel containing the junction line and the stop line in a big to small necked-down section mode, a roundabout pilot tunnel method is avoided from being used, the working procedures are simple, and the temporary first-lining workload is small.

Description

A kind of tunnel excavation job practices
Technical field
The present invention relates to a kind of subway tunnel excavation construction method, relate in particular to a kind of excavation construction method that contains the subway sectional tunnel of branch-cut bridge and stop line.
Background technology
The main method that is used for the subway tunnel excavation construction at present comprises shield method and shallow burial hidden digging.So-called shallow burial hidden digging refers to the underground a kind of method of carrying out all kinds underground chamber tunneling construction nearer on the distance face of land.Shallow burial hidden digging is continued to use the New Austrian Tunneling Method basic principle, and preliminary bracing is by bearing all basic design load, and secondary lining is as safety stock; Preliminary bracing and secondary lining are born special load jointly.When using shallow burial hidden digging design, construction, adopt multiple auxiliary worker's method simultaneously, advance support improves and reinforces country rock, transfers the self-supporting ability of country rock; And adopt different excavation method immediate supports, seal into ring, make itself and country rock acting in conjunction form the combined supporting system; In work progress,, realize not caving in, lacking sedimentation, safe construction etc., and form the multiple technology of forming a complete and comprehensive system for collecting real estate fees by monitoring measurement, feedback information and optimal design.Characteristics such as the underground chamber of shallow burial hidden digging construction has buried depth shallow (minimum is covered and striden than reaching 0.2), formation lithology poor (being generally soft stratum in the Quaternary Period), have underground water (needing dewatering), surrounding environment complexity (contiguous existing build, structure).Because cost is low, remove less, flexible and changeable, special equipment reaches and does not disturb characteristics such as traffic above-ground and surrounding environment too much, shallow burial hidden digging is used widely in similar stratum, the whole nation and various underground construction.
For guaranteeing the normal operation rationally of urban track traffic, add stop line or branch-cut bridge every 3~5 stations along the line.If stop line has two purposes: the one, deposit a little as the fault passenger vehicle temporarily; The 2nd, deposit the operation passenger vehicle, shorten the upper and lower line service time that was produced when starting operation in second day.And the purpose that branch-cut bridge is set is to make things convenient for passenger vehicle change route.
For the interval that stop line and branch-cut bridge are set, because the line style complexity, structure section changes many, and it is big to cause tunnel excavation to implement difficulty.If utilize shallow burial hidden digging to carry out the tunnel excavation construction, constructing in the section variation position of this segment to exist very big difficulty.
A kind of more common subway interval structure that contains branch-cut bridge and stop line as shown in Figure 1, wherein, the tunnel contour line that dotted line representative faces down and overlooks from ground, the subway interval that contains branch-cut bridge and stop line comprise first main track 1 (such as left line), second main track 2 (such as right line), stop line 3, be connected the branch-cut bridge 4 of first main track and stop line, be connected the branch-cut bridge 5 of second main track and stop line.Wherein, that main track is used for is up, another main track is used for descendingly, and stop line is used for fault passenger vehicle or the temporary parking of operation passenger vehicle, and branch-cut bridge is used for passenger vehicle and changes route between main track and stop line.
As shown in Figure 1, for subway interval with this line construction, the tunnel that excavates comprises: the first main track tunnel conventional section 11, the first main track tunnel expanding reach 12, the second main track tunnel conventional section 13, the second main track tunnel expanding reach 14, branch-cut bridge tunnel construction sections 15, wherein, the conventional section 13 in conventional the section 11 or second main track tunnel, the first main track tunnel is only held first main track or second main track of single line, is single hole single-track tunnel; The first main track tunnel expanding reach 12 need hold the branch-cut bridge of first main track, stop line, connection first main track and stop line and the branch-cut bridge that is connected second main track and stop line, and this tunnel construction sections expands maximum bore tunnel section to gradually from minimum cross section; The branch-cut bridge that the second main track tunnel expanding reach 14 need hold second main track and connect second main track and stop line, this tunnel construction sections expands maximum bore tunnel section to gradually from minimum cross section; Branch-cut bridge tunnel construction sections 15 need hold the branch-cut bridge that connects second main track and stop line.
As shown in Figure 1, utilize shallow burial hidden digging that the existing method that the subway sectional tunnel that contains branch-cut bridge and stop line carries out excavation construction is generally comprised following steps:
(1) select correct position that vertical shaft 6 is set No. one in the first main track segment, and side direction opens ingate, excavate first transverse passage-way; First transverse passage-way runs through the conventional section in the first main track tunnel and the second main track tunnel expanding reach;
(2) excavate the conventional section in the first main track tunnel from first transverse passage-way, stop to the first main track tunnel expanding reach;
(3) excavate the second main track tunnel expanding reach from first transverse passage-way, conventional section stops to the second main track tunnel;
(4) select another correct position that vertical shaft 7 excavations second transverse passage-way is set No. two in the first main track segment, second transverse passage-way runs through the conventional section of the first main track tunnel expanding reach and the second main track tunnel;
(5) excavate the first main track tunnel expanding reach from second transverse passage-way, conventional section stops to the first main track tunnel;
(6) excavate the conventional section in the second main track tunnel from second transverse passage-way, stop to the second main track tunnel expanding reach;
(7) continue excavation branch-cut bridge tunnel construction sections from the first main track tunnel expanding reach;
Wherein, above-described each step can be carried out simultaneously, and also the interchangeable order is successively carried out.
Above job practices need relate to the change section construction that is carried out the transition to big section by light section gradually, at this moment needs to adopt little pilot tunnel to expand earlier and digs, oppositely expands the circuitous pilot tunnel method construction technology of digging.
When adopting above job practices to carry out the tunnel excavation construction, though the transverse passage-way easy construction, its deficiency comprises: (1) need be provided with the many places vertical shaft, and the construction working amount is bigger.(2) it is bigger to carry out the transition to the change section difficulty of construction of big section gradually from light section, exists climbing to expand in the circuitous pilot tunnel method to dig, multiple unfavorable operating modes such as broken wall enters the hole, inverted sequence construction.(3) worker's method of Cai Yonging is various, has contained all worker's methods of hidden construction process such as intersection median septum method (CRD method), glasses working, middle hole method substantially; And the operation conversion is complicated between each section, and the interim engineering quantity of lining just is big.(4) carry out the transition to big section gradually from light section, particularly arrive maximum bore tunnel section, section variation is more violent, thereby increases the risk of avalanche.
Therefore, need develop a kind of new method the subway sectional tunnel that contains branch-cut bridge and stop line is carried out excavation construction.
Summary of the invention
In view of some defectives of prior art, the invention provides a kind of tunnel excavation job practices, technical problem to be solved is to realize in the mode of arrogant and little necked-down section the subway sectional tunnel that contains branch-cut bridge and stop line being carried out excavation construction.
In subway tunnel excavation construction method provided by the present invention, the tunnel that excavates comprises the conventional section in the first main track tunnel, the first main track tunnel expanding reach, the conventional section in the second main track tunnel, the second main track tunnel expanding reach, maximum bore tunnel section, and described method comprises the steps:
S100., vertical shaft is set and excavates transverse passage-way, the position of transverse passage-way is identical with the position of maximum bore tunnel section, and transverse passage-way spatially comprises maximum bore tunnel section;
S200. on a side section of transverse passage-way, excavate the second main track tunnel expanding reach earlier, excavate the conventional section in the first main track tunnel then;
S300. on the opposite side section of transverse passage-way, excavate the first main track tunnel expanding reach earlier, excavate the conventional section in the second main track tunnel then;
Wherein, above-described S100 step is at first carried out, and above-described S200, S300 steps in sequence are carried out or the transposing order is carried out successively;
The concrete implementation step of the excavation transverse passage-way described in the S100 step is:
S110. advance the hole outline line by transverse passage-way and cut vertical shaft and just serve as a contrast, and " order " type transverse passage-way hole ring beam is set simultaneously;
S120. three pilot tunnels in branch upper, middle and lower carry out the transverse passage-way excavation construction.
The crucial part of job practices provided by the present invention is, at first excavate maximum bore tunnel section, then from maximum bore tunnel Duan Youda section to than the light section transition, thereby realize the subway sectional tunnel that contains branch-cut bridge and stop line being carried out excavation construction in the mode of arrogant and little necked-down section.
Useful technique effect of the present invention is: (1) only need be provided with place's vertical shaft, and the construction working amount is less; (2) overall process to than the light section transition, need not the anti-construction of expanding by big section, avoids expanding the excavation construction risk; (3) in the mode of arrogant and little necked-down section the subway sectional tunnel that contains branch-cut bridge and stop line is carried out excavation construction, avoid adopting circuitous pilot tunnel method, operation is simple, and the interim engineering quantity of lining just is little.
Description of drawings
Fig. 1 is structure and the tunnel excavation method schematic diagram that contains the subway interval of branch-cut bridge and stop line in the prior art.
Fig. 2 is the schematic diagram of subway tunnel excavation construction method among the present invention.
Fig. 3 is the front schematic view of transverse passage-way excavation construction method among the present invention.
Fig. 4 is the side schematic view of transverse passage-way excavation construction method among the present invention.
Fig. 5 is a transverse passage-way of the present invention lining structure schematic diagram just.
Fig. 6 is transverse passage-way two lining structure schematic diagrames of the present invention.
Fig. 7 is the front schematic view that is entered the excavation construction method of conventional section and expanding reach among the present invention by transverse passage-way.
Among the figure: 1-first main track; 2-second main track; The 3-stop line; 4-connects the branch-cut bridge of first main track and stop line; 5-connects the branch-cut bridge of second main track and stop line; Vertical shaft of 6-; No. two vertical shafts of 7-; The 10-vertical shaft; The conventional section in the 11-first main track tunnel; The 12-first main track tunnel expanding reach; The conventional section in the 13-second main track tunnel; The 14-second main track tunnel expanding reach; 15-branch-cut bridge tunnel construction sections; The maximum bore tunnel section of 16-; The profile of the final transverse passage-way of 22-; 23-transverse passage-way two linings; The 24-transverse passage-way just serves as a contrast; 25-vault advance support; 26-core soil; 241-first is the lining dividing plate just; 242-second is the lining dividing plate just; 231-the one or two lining dividing plate; 232-the two or two lining dividing plate; 233-the three or two lining dividing plate; 31-expanding reach hole ring beam; The conventional section of 32-hole ring beam.
The specific embodiment
Be described further below with reference to the technique effect of accompanying drawing, to understand purpose of the present invention, feature and effect fully design of the present invention, concrete steps and generation.
As shown in Figure 2, in subway tunnel excavation construction method provided by the present invention, the tunnel that excavate comprises the first main track tunnel conventional section 11, the first main track tunnel expanding reach 12, the second main track tunnel conventional section 13, the second main track tunnel expanding reach 14, maximum bore tunnel section 16.Because method provided by the present invention is mainly used in the excavation construction of the subway sectional tunnel that contains branch-cut bridge and stop line, therefore, the conventional section in the said herein first main track tunnel refers to the tunnel construction sections that only holds first main track; The conventional section in the said herein second main track tunnel refers to the tunnel construction sections that only holds second main track; The said herein first main track tunnel expanding reach refers to, for the branch-cut bridge of holding first main track, stop line, connection first main track and stop line simultaneously, the branch-cut bridge that is connected second main track and stop line, section than the conventional section in the first main track tunnel obviously increases, and section has the tunnel construction sections of arrogant and little variation; The said herein second main track tunnel expanding reach refers to, and in order to hold second main track and the branch-cut bridge that is connected second main track and stop line simultaneously, obviously increase than the section of the conventional section in the second main track tunnel, and section has the tunnel construction sections of arrogant and little variation; Said herein maximum bore tunnel section refers to, in order to realize being connected of main track, branch-cut bridge and stop line, on section, can hold main track, stop line, branch-cut bridge simultaneously, and by the tunnel construction sections with maximum section that forms that converges of the conventional section in the first main track tunnel, the first main track tunnel expanding reach, conventional section of the second main track tunnel, the second main track tunnel expanding reach.
Subway tunnel excavation construction method provided by the present invention comprises the steps:
S100., vertical shaft is set and excavates transverse passage-way, the position of transverse passage-way is identical with the position of maximum bore tunnel section, and transverse passage-way spatially comprises maximum bore tunnel section;
S200. on a side section of transverse passage-way, excavate the second main track tunnel expanding reach earlier, excavate the conventional section in the first main track tunnel then;
S300. on the opposite side section of transverse passage-way, excavate the first main track tunnel expanding reach earlier, excavate the conventional section in the second main track tunnel then;
Wherein, above-described S100 step is at first carried out, and above-described S200, S300 steps in sequence are carried out or the transposing order is carried out successively.
As shown in Figure 2, at above said S100 in the step, the position of transverse passage-way is exactly the position of the maximum bore tunnel section 16 that will excavate, and vertical shaft 10 then is positioned at the openings position of transverse passage-way; Transverse passage-way spatially comprises maximum bore tunnel section, institute refers to, in the section of transverse passage-way is included in maximum section fully, makes and on the section of transverse passage-way, can excavate the conventional section in the first main track tunnel, the second main track tunnel expanding reach, the conventional section in the second main track tunnel and the first main track tunnel expanding reach.That is to say that after transverse passage-way had excavated, the excavation of maximum bore tunnel section 16 had also just been finished.
A kind of preferred concrete implementation step of said excavation transverse passage-way can be in S100 goes on foot:
S110. advance the hole outline line by transverse passage-way and cut vertical shaft and just serve as a contrast, and " order " type transverse passage-way hole ring beam is set simultaneously;
S120. three pilot tunnels in branch upper, middle and lower carry out the transverse passage-way excavation construction.
As shown in Figure 3, after vertical shaft 10 constructions are finished, the vertical shaft that the profile of the transverse passage-way that need excavate as required on the vertical shaft sidewall cuts the relevant position just serves as a contrast, it should be noted that, because need to be provided with just lining and two linings behind the transverse passage-way excavation, so need comprise that the profile 22 of final transverse passage-way adds that transverse passage-way two linings 23 and transverse passage-way just serve as a contrast 24 when the profile of transverse passage-way is set on the vertical shaft sidewall.Cut vertical shaft just behind the lining, according to transverse passage-way just the outline line of lining 24 transverse passage-way hole ring beam is set, promptly initial reinforced concrete circle beam is to support the partial pressure that the vertical shaft sidewall produces; More than said transverse passage-way hole ring beam be " order " type, the meaning of indication is just to serve as a contrast on the basis of outline line at the covering transverse passage-way, further increase the twice crossbeam transverse passage-way hole ring beam is divided into three holes, the purpose of this kind design is in order further to be divided into three pilot drive transverse passage-ways.
More than the reinforced concrete floor of the said refer to of lining just by preliminary bracing formation, play the temporary lining effect.Anchor and spray net form of structure is generally adopted in preliminary bracing, and general process flow is: the first pneumatically placed concrete in excavation back, system supporting construction (anchor pole, steel mesh reinforcement, steelframe), multiple pneumatically placed concrete are to design thickness.More than the reinforced concrete floor of said two lining refer tos by secondary lining formation, play permanent support with first lining.
After setting transverse passage-way hole ring beam, just can carry out the transverse passage-way excavation construction, of the present invention a kind of preferred embodiment be three the pilot drive transverse passage-ways in branch upper, middle and lower.Because be maximum section herein, if direct whole excavation can make easy avalanche, just divide three the pilot drive transverse passage-ways in upper, middle and lower can so that excavation so the transverse passage-way of height is safer.
As shown in Figure 3 and Figure 4, a kind of preferred concrete implementation step of carrying out the transverse passage-way excavation construction is:
S121. the vault advance support 25; S122. go up the pilot tunnel excavation of topping bar, and reserve core soil; S123. go up the preliminary bracing of pilot tunnel arch, remove core soil; S124. go up the pilot tunnel excavation of getting out of a predicament or an embarrassing situation; S125. go up the preliminary bracing of pilot tunnel inverted arch; S126. the middle pilot tunnel excavation of topping bar, and reserve core soil; S127. core soil is removed in the arch preliminary bracing of middle pilot tunnel; S128. the middle pilot tunnel excavation of getting out of a predicament or an embarrassing situation; S129. the preliminary bracing of middle pilot tunnel inverted arch; S130. descend pilot drive; S131. descend the pilot tunnel preliminary bracing.
Wherein, more than said vault advance support 25 refer to that the vault at transverse passage-way partly carries out advance support before top heading excavation, advance support utilize leading bassoon canopy or leading ductule, generally long 2~3 meters, be used for anchoring the place ahead country rock; Also can utilize grouting reinforcement rock and intercept water.
In carrying out the concrete implementation step of transverse passage-way excavation construction, comparative optimization be that the leading length of each pilot drive is 2~3m.
In the above-mentioned concrete implementation step of carrying out the transverse passage-way excavation construction, two pilot tunnels all adopt the benching tunnelling method construction in going up, and reserve core soil, can well control the distortion of pilot tunnel face, avoid because excavation causes arch and face excessive deformation.
After transverse passage-way excavation construction and corresponding preliminary bracing construction is finished, in transverse passage-way, just can form a side first lining 24 of " order " type transverse passage-way as shown in Figure 5, this just lining system comprise the first first first lining dividing plate 242 of lining dividing plate 241 and second from top to bottom; That is to say that in carrying out the transverse passage-way excavation construction, the first lining of formed transverse passage-way comprises that from top to bottom first just serves as a contrast dividing plate and second lining dividing plate just.On this basis, need proceed the transverse passage-way Second Lining Construction and form steel concrete two linings, be i.e. transverse passage-way two linings; As shown in Figure 6 and Figure 7, in carrying out the transverse passage-way excavation construction, formed transverse passage-way two linings 23 have following characteristics:
1) except covering the transverse passage-way surface of lining 24 just, transverse passage-way two linings 23 also comprise the one or two lining dividing plate the 231, the 22 lining dividing plate the 232, the 32 lining dividing plate 233 from top to bottom, with effective transverse passage-way dissymmetrical structure force-bearing situation, guarantee system safety improved; Wherein, the one or two lining dividing plate 231 is positioned at first and just serves as a contrast on the dividing plate 241, and the two or two lining dividing plate 232 and the first first lining dividing plate 241 and second just serve as a contrast between the dividing plate 242, and the three or two lining dividing plate 233 is positioned under the second first lining dividing plate 242;
2) on a side section of transverse passage-way, transverse passage-way two linings 23 are reserved the hole of the conventional section in the first main track tunnel and the second main track tunnel expanding reach, and openings position does not carry out two lining constructions; On the opposite side section of transverse passage-way, transverse passage-way two linings 23 are reserved the hole of the conventional section in the second main track tunnel and the first main track tunnel expanding reach, and openings position does not carry out two lining constructions.That is to say, reserve the execution conditions that enter the main track ingate when transverse passage-way two linings are built.
After transverse passage-way excavation construction and preliminary bracing, Second Lining Construction are finished, need on a side section of transverse passage-way, excavate the conventional section in the first main track tunnel, and excavate the second main track tunnel expanding reach; The conventional section in the excavation second main track tunnel on the opposite side section of transverse passage-way, and excavate the first main track tunnel expanding reach.
As shown in Figure 7, it is as follows to excavate the step of the first main track tunnel expanding reach or the second main track tunnel expanding reach:
S310. advance the hole outline line by the first main track tunnel expanding reach or the second main track tunnel expanding reach and cut transverse passage-way and just serve as a contrast, remove the first first first lining dividing plate of lining dividing plate and second;
S320. openings position is provided with expanding reach hole ring beam 31, promptly initial reinforced concrete circle beam, and with effective openings position stress of improving, satisfied simultaneously branch pilot tunnel enters the hole and implements big section branch-cut bridge if tunnel conditions.The characteristics of expanding reach hole ring beam are, except covering the hole outline line, one crossbeam and twice vertical beam also are set expanding reach hole ring beam is divided into six holes, promptly set in advance six pilot tunnels of excavation; In addition, the crossbeam of expanding reach hole ring beam is connected with the one or two lining dividing plate, the two or two lining dividing plate and the three or the two lining dividing plate of transverse passage-way with vertical beam, forms whole stress system, guarantees total system safety.
S330. after transverse passage-way two lining structures reach design strength, reserve the pilot tunnel position by expanding reach hole ring beam and adopt the double side wall pilot tunnel method to divide six pilot tunnels to carry out excavation construction; Along with the carrying out of tunnel construction sections excavation construction, the outline line of the first main track tunnel expanding reach or the second main track tunnel expanding reach carries out in the mode of arrogant and little necked-down section.
As shown in Figure 7, a kind of preferred steps that said employing double side wall pilot tunnel method divides six pilot tunnels to carry out excavation construction more than is:
S331. excavate pilot tunnel on the both sides simultaneously, carry out the preliminary bracing construction;
S332. excavate pilot tunnel under the both sides then simultaneously, carry out the preliminary bracing construction;
S333. go up pilot tunnel in the middle of the excavation, carry out the preliminary bracing construction;
S334. pilot tunnel under in the middle of the excavation carries out the preliminary bracing construction;
S335. carry out two lining constructions;
S336. remove the two or two lining dividing plate 232 of transverse passage-way;
Wherein, on the both sides under the relative both sides of pilot tunnel the leading length of pilot tunnel be 2~3m; The middle relatively leading length that goes up pilot tunnel of pilot tunnel is 2~3m under the both sides; The middle relatively leading length of pilot tunnel down of pilot tunnel is 2~3m on the centre.
As shown in Figure 7, it is as follows to excavate the step of conventional section in the first main track tunnel or the conventional section in the second main track tunnel:
S210. advancing the hole outline line by the conventional section of the conventional section in the first main track tunnel or the second main track tunnel cuts transverse passage-way and just serves as a contrast;
S220., conventional section hole ring beam 32 is set;
S230. carry out excavation construction.
In method provided by the present invention, related step or substep there is no strict sequence limit in some cases.If know according to those skilled in the art, in various concrete construction environments and different object of construction production, according to the difference of using object and part restriction, for satisfying actual demands of engineering, step of the present invention can have transposing successively on the substep order, do not influence effect of the present invention.
The present invention is by said method and structure design, make contain branch-cut bridge, the enforcement of stop line bored tunnel obtains good result.The present invention is ingenious at multiple shallow buried covered excavation excavation method and structure setting method, constructed the multichannel technique defence line that interknits, multi-angle, guarantee to implement safety conscientiously at many levels, effectively the control large cross-section tunnel is implemented risk, and sending out enforcement underground space technical field in tunneling has wide utilization prospect.
Should be appreciated that, in claims of the present invention, manual, all " comprising ... " all are interpreted as open implication, and just its implication is equal to " containing at least ... ", and should not be construed as enclosed implication, promptly its implication should not be construed " only comprising ... ".
In sum, described in this manual is several preferred embodiment of the present invention, and above embodiment is only unrestricted in order to technical scheme of the present invention to be described.All technician in the art all should be within claim protection domain of the present invention under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.

Claims (9)

1. subway tunnel excavation construction method, it is characterized in that, the tunnel that excavates comprises the conventional section in the first main track tunnel, the first main track tunnel expanding reach, the conventional section in the second main track tunnel, the second main track tunnel expanding reach, maximum bore tunnel section, and described method comprises the steps:
S100., vertical shaft is set and excavates transverse passage-way, the position of transverse passage-way is identical with the position of maximum bore tunnel section, and transverse passage-way spatially comprises maximum bore tunnel section;
S200. on a side section of transverse passage-way, excavate the second main track tunnel expanding reach earlier, excavate the conventional section in the first main track tunnel then;
S300. on the opposite side section of transverse passage-way, excavate the first main track tunnel expanding reach earlier, excavate the conventional section in the second main track tunnel then;
Wherein, above-described S100 step is at first carried out, and above-described S200, S300 steps in sequence are carried out or the transposing order is carried out successively;
The concrete implementation step of the excavation transverse passage-way described in the S100 step is:
S110. advance the hole outline line by transverse passage-way and cut vertical shaft and just serve as a contrast, and " order " type transverse passage-way hole ring beam is set simultaneously;
S120. three pilot tunnels in branch upper, middle and lower carry out the transverse passage-way excavation construction.
2. method according to claim 1, wherein, described concrete implementation step of carrying out the transverse passage-way excavation construction is:
S121. vault advance support; S122. go up the pilot tunnel excavation of topping bar, and reserve core soil; S123. go up the preliminary bracing of pilot tunnel arch, remove core soil; S124. go up the pilot tunnel excavation of getting out of a predicament or an embarrassing situation; S125. go up the preliminary bracing of pilot tunnel inverted arch; S126. the middle pilot tunnel excavation of topping bar, and reserve core soil; S127. core soil is removed in the arch preliminary bracing of middle pilot tunnel; S128. the middle pilot tunnel excavation of getting out of a predicament or an embarrassing situation; S129. the preliminary bracing of middle pilot tunnel inverted arch; S130. descend pilot drive; S131. descend the pilot tunnel preliminary bracing.
3. method according to claim 2, wherein, the leading length of each pilot drive is 2~3m.
4. method according to claim 1 wherein, is carried out in the transverse passage-way excavation construction described, and the first lining of formed transverse passage-way comprises that from top to bottom first just serves as a contrast dividing plate and second lining dividing plate just.
5. method according to claim 4 wherein, is carried out in the transverse passage-way excavation construction described, and formed transverse passage-way two linings have following characteristics:
1) except covering the transverse passage-way surface of lining just, transverse passage-way two linings also comprise the one or two lining dividing plate, the two or two lining dividing plate, the three or two lining dividing plate from top to bottom; Wherein, the one or two lining dividing plate is positioned at first and just serves as a contrast on the dividing plate, and the two or two lining dividing plate and the first first lining dividing plate and second just serve as a contrast between the dividing plate, and the three or two lining dividing plate is positioned under the second first lining dividing plate;
2) on a side section of transverse passage-way, transverse passage-way two linings are reserved the hole of the conventional section in the first main track tunnel and the second main track tunnel expanding reach, and openings position does not carry out two lining constructions; On the opposite side section of transverse passage-way, transverse passage-way two linings are reserved the hole of the conventional section in the second main track tunnel and the first main track tunnel expanding reach, and openings position does not carry out two lining constructions.
6. method according to claim 5, wherein, the step of the described excavation first main track tunnel expanding reach or the second main track tunnel expanding reach is as follows:
S310. advance the hole outline line by the first main track tunnel expanding reach or the second main track tunnel expanding reach and cut transverse passage-way and just serve as a contrast, remove the first first first lining dividing plate of lining dividing plate and second;
S320. openings position is provided with expanding reach hole ring beam, the characteristics of described expanding reach hole ring beam are: except covering the hole outline line, one crossbeam and twice vertical beam also are set expanding reach hole ring beam is divided into six holes, promptly set in advance six pilot tunnels of excavation; In addition, the crossbeam of expanding reach hole ring beam is connected with the one or two lining dividing plate, the two or two lining dividing plate and the three or the two lining dividing plate of transverse passage-way with vertical beam;
S330. after transverse passage-way two lining structures reach design strength, reserve the pilot tunnel position by expanding reach hole ring beam and adopt the double side wall pilot tunnel method to divide six pilot tunnels to carry out excavation construction.
7. method according to claim 6, wherein, the step that described employing double side wall pilot tunnel method divides six pilot tunnels to carry out excavation construction is:
S331. excavate pilot tunnel on the both sides simultaneously, carry out the preliminary bracing construction;
S332. excavate pilot tunnel under the both sides then simultaneously, carry out the preliminary bracing construction;
S333. go up pilot tunnel in the middle of the excavation, carry out the preliminary bracing construction;
S334. pilot tunnel under in the middle of the excavation carries out the preliminary bracing construction;
S335. carry out two lining constructions;
S336. remove the two or two lining dividing plate of transverse passage-way.
8. method according to claim 7 wherein, is adopting the double side wall pilot tunnel method to divide six pilot tunnels to carry out in the process of excavation construction, on the both sides under the relative both sides of pilot tunnel the leading length of pilot tunnel be 2~3m; The middle relatively leading length that goes up pilot tunnel of pilot tunnel is 2~3m under the both sides; The middle relatively leading length of pilot tunnel down of pilot tunnel is 2~3m on the centre.
9. method according to claim 5, wherein, the step of conventional section in the described excavation first main track tunnel or the conventional section in the second main track tunnel is as follows:
S210. advancing the hole outline line by the conventional section of the conventional section in the first main track tunnel or the second main track tunnel cuts transverse passage-way and just serves as a contrast;
S220., conventional section hole ring beam is set;
S230. carry out excavation construction.
CN 201110100807 2011-04-21 2011-04-21 Tunnel excavation construction method CN102155233B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110100807 CN102155233B (en) 2011-04-21 2011-04-21 Tunnel excavation construction method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110100807 CN102155233B (en) 2011-04-21 2011-04-21 Tunnel excavation construction method

Publications (2)

Publication Number Publication Date
CN102155233A true CN102155233A (en) 2011-08-17
CN102155233B CN102155233B (en) 2013-07-10

Family

ID=44436877

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201110100807 CN102155233B (en) 2011-04-21 2011-04-21 Tunnel excavation construction method

Country Status (1)

Country Link
CN (1) CN102155233B (en)

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102606168A (en) * 2012-03-16 2012-07-25 西安理工大学 Construction method for preventing settlement and deformation of shallow-buried-excavation tunnel in excavation
CN102733812A (en) * 2012-06-18 2012-10-17 中铁隧道股份有限公司 Small interval tunnel side wall expanded excavation tunnel construction method for turnout section of river bottom of city
CN103061773A (en) * 2013-01-24 2013-04-24 北京市市政工程设计研究总院 Up-down separating type underground excavation station construction passageway structure provided with mucking transport equipment and construction method
CN103452561A (en) * 2013-08-20 2013-12-18 中铁二局股份有限公司 Vertical in-tunnel construction method of multilayer transverse channel of underground excavation station of metro, and construction method on east side and west side
CN103670421A (en) * 2012-08-30 2014-03-26 赵兵 Central inclined hole method parallel tunnel excavation method
CN103774691A (en) * 2014-02-10 2014-05-07 朱海涛 Three types of tunnel transverse traffic tubes and application methods thereof
CN103867218A (en) * 2014-03-28 2014-06-18 西安建筑科技大学 Method for conduction through asymmetric section pile tunnel method for urban subway station
CN103867210A (en) * 2014-03-28 2014-06-18 西安建筑科技大学 City subway single-cross undermining construction method
CN103982190A (en) * 2014-05-28 2014-08-13 北京市政建设集团有限责任公司 Bored tunnel variable cross-section stress conversion construction method
CN104329098A (en) * 2014-08-29 2015-02-04 中铁十六局集团有限公司 Weak surrounding rock auxiliary gallery small pilot tunnel crossing main tunnel roof brushing construction method
CN104500077A (en) * 2014-12-10 2015-04-08 中铁二十局集团有限公司 Construction method for enabling shallowly buried and darkly excavated tunnel to pass through cottage area
CN104632228A (en) * 2014-12-19 2015-05-20 中国建筑第四工程局有限公司 Main track entering construction method for cross aisle and cross aisle
CN104847366A (en) * 2015-06-12 2015-08-19 北京城建设计发展集团股份有限公司 Low-channel progressive construction tunnel entrance method of subway mined tunnel
CN104895574A (en) * 2015-05-06 2015-09-09 重庆工程职业技术学院 Construction method for controlling large cross section tunnel blasting vibration velocity
CN105156115A (en) * 2015-08-21 2015-12-16 中国建筑东北设计研究院有限公司 Method for constructing small-radius curved sections of S-shaped underground passages
CN106014442A (en) * 2016-07-07 2016-10-12 云南省交通规划设计研究院 Method for forming escaping-rescuing transverse channel in road tunnel
CN106988748A (en) * 2017-03-15 2017-07-28 中铁二院工程集团有限责任公司 High-order parallel heading construction and the construction method that capacity expansion revamping is double line tunnel
CN107447794A (en) * 2017-07-25 2017-12-08 广州大学 The anti-floating of excavation pit plays construction method in a kind of subway protection region
CN108425678A (en) * 2018-04-12 2018-08-21 中铁四局集团有限公司 A kind of construction method in big cross section subway connection tunnel
CN108843326A (en) * 2018-06-07 2018-11-20 深圳市市政设计研究院有限公司 Silly stratum shallow-depth-excavation tunnel grid reinforced construction method
CN109695453A (en) * 2018-12-07 2019-04-30 中铁四局集团第一工程有限公司 Excavation construction method is assisted at a kind of vertical shaft main tunnel crossings on different level
CN109854276A (en) * 2019-01-03 2019-06-07 中铁十六局集团地铁工程有限公司 A kind of small spacing multiple track tunnel hole support construction
CN110284889A (en) * 2019-06-24 2019-09-27 中铁隧道局集团有限公司 A kind of flat pilot tunnel Enlargement excavation method of TBM
CN110984999A (en) * 2019-11-24 2020-04-10 中铁十九局集团第二工程有限公司 Tunnel shaft construction method
WO2020108361A1 (en) * 2018-11-26 2020-06-04 中铁二十局集团有限公司 Construction method for tunnel passing through high-angle thrust water-rich and sand-rich fault
CN112096425A (en) * 2020-11-20 2020-12-18 北京城建道桥建设集团有限公司 Transverse passage supporting system for position of ingate and construction method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3532142B2 (en) * 2000-05-31 2004-05-31 佐藤工業株式会社 Subway tunnel construction method
CN101858222A (en) * 2010-05-25 2010-10-13 北京城建设计研究总院有限责任公司 Method for controlling deformation in zero-distance tunneling of new tunnel under existing subway construction
KR20110016574A (en) * 2009-08-12 2011-02-18 서울메트로 Apparatus and method for dust cut in subway ternal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3532142B2 (en) * 2000-05-31 2004-05-31 佐藤工業株式会社 Subway tunnel construction method
KR20110016574A (en) * 2009-08-12 2011-02-18 서울메트로 Apparatus and method for dust cut in subway ternal
CN101858222A (en) * 2010-05-25 2010-10-13 北京城建设计研究总院有限责任公司 Method for controlling deformation in zero-distance tunneling of new tunnel under existing subway construction

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张炳根: "地铁渡线地段大断面浅埋暗挖综合施工技术研究", 《现代隧道技术》 *

Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102606168A (en) * 2012-03-16 2012-07-25 西安理工大学 Construction method for preventing settlement and deformation of shallow-buried-excavation tunnel in excavation
CN102733812A (en) * 2012-06-18 2012-10-17 中铁隧道股份有限公司 Small interval tunnel side wall expanded excavation tunnel construction method for turnout section of river bottom of city
CN102733812B (en) * 2012-06-18 2015-08-26 中铁隧道股份有限公司 The method for tunnel construction that river bottom of city fork section small-clear-distance tunnel sidewall digs
CN103670421A (en) * 2012-08-30 2014-03-26 赵兵 Central inclined hole method parallel tunnel excavation method
CN103670421B (en) * 2012-08-30 2015-10-14 赵兵 Central authorities' inclined hole method parallel tunnel excavation method
CN103061773A (en) * 2013-01-24 2013-04-24 北京市市政工程设计研究总院 Up-down separating type underground excavation station construction passageway structure provided with mucking transport equipment and construction method
CN103452561B (en) * 2013-08-20 2015-05-20 中铁二局股份有限公司 Vertical in-tunnel construction method of multilayer transverse channel of underground excavation station of metro, and construction method on east side and west side
CN103452561A (en) * 2013-08-20 2013-12-18 中铁二局股份有限公司 Vertical in-tunnel construction method of multilayer transverse channel of underground excavation station of metro, and construction method on east side and west side
CN103774691B (en) * 2014-02-10 2016-06-15 江西省交通设计研究院有限责任公司 The setting of three kinds of tunnel Lateral Holes and using method thereof
CN103774691A (en) * 2014-02-10 2014-05-07 朱海涛 Three types of tunnel transverse traffic tubes and application methods thereof
CN103867210B (en) * 2014-03-28 2015-12-30 西安建筑科技大学 A kind of city underground list branch-cut bridge excavating construction method
CN103867218A (en) * 2014-03-28 2014-06-18 西安建筑科技大学 Method for conduction through asymmetric section pile tunnel method for urban subway station
CN103867210A (en) * 2014-03-28 2014-06-18 西安建筑科技大学 City subway single-cross undermining construction method
CN103982190A (en) * 2014-05-28 2014-08-13 北京市政建设集团有限责任公司 Bored tunnel variable cross-section stress conversion construction method
CN103982190B (en) * 2014-05-28 2017-01-18 北京市政建设集团有限责任公司 Bored tunnel variable cross-section stress conversion construction method
CN104329098A (en) * 2014-08-29 2015-02-04 中铁十六局集团有限公司 Weak surrounding rock auxiliary gallery small pilot tunnel crossing main tunnel roof brushing construction method
CN104500077A (en) * 2014-12-10 2015-04-08 中铁二十局集团有限公司 Construction method for enabling shallowly buried and darkly excavated tunnel to pass through cottage area
CN104632228B (en) * 2014-12-19 2017-04-12 中国建筑第四工程局有限公司 Main track entering construction method for cross aisle and cross aisle
CN104632228A (en) * 2014-12-19 2015-05-20 中国建筑第四工程局有限公司 Main track entering construction method for cross aisle and cross aisle
CN104895574A (en) * 2015-05-06 2015-09-09 重庆工程职业技术学院 Construction method for controlling large cross section tunnel blasting vibration velocity
CN104847366A (en) * 2015-06-12 2015-08-19 北京城建设计发展集团股份有限公司 Low-channel progressive construction tunnel entrance method of subway mined tunnel
CN105156115B (en) * 2015-08-21 2017-12-05 中国建筑东北设计研究院有限公司 A kind of construction method of S-shaped underpass sharp radius curve section
CN105156115A (en) * 2015-08-21 2015-12-16 中国建筑东北设计研究院有限公司 Method for constructing small-radius curved sections of S-shaped underground passages
CN106014442A (en) * 2016-07-07 2016-10-12 云南省交通规划设计研究院 Method for forming escaping-rescuing transverse channel in road tunnel
CN106988748A (en) * 2017-03-15 2017-07-28 中铁二院工程集团有限责任公司 High-order parallel heading construction and the construction method that capacity expansion revamping is double line tunnel
CN107447794A (en) * 2017-07-25 2017-12-08 广州大学 The anti-floating of excavation pit plays construction method in a kind of subway protection region
CN108425678A (en) * 2018-04-12 2018-08-21 中铁四局集团有限公司 A kind of construction method in big cross section subway connection tunnel
CN108425678B (en) * 2018-04-12 2019-07-30 中铁四局集团有限公司 A kind of construction method in big cross section subway connection tunnel
CN108843326A (en) * 2018-06-07 2018-11-20 深圳市市政设计研究院有限公司 Silly stratum shallow-depth-excavation tunnel grid reinforced construction method
WO2020108361A1 (en) * 2018-11-26 2020-06-04 中铁二十局集团有限公司 Construction method for tunnel passing through high-angle thrust water-rich and sand-rich fault
CN109695453A (en) * 2018-12-07 2019-04-30 中铁四局集团第一工程有限公司 Excavation construction method is assisted at a kind of vertical shaft main tunnel crossings on different level
CN109854276A (en) * 2019-01-03 2019-06-07 中铁十六局集团地铁工程有限公司 A kind of small spacing multiple track tunnel hole support construction
CN110284889A (en) * 2019-06-24 2019-09-27 中铁隧道局集团有限公司 A kind of flat pilot tunnel Enlargement excavation method of TBM
CN110984999A (en) * 2019-11-24 2020-04-10 中铁十九局集团第二工程有限公司 Tunnel shaft construction method
CN112096425A (en) * 2020-11-20 2020-12-18 北京城建道桥建设集团有限公司 Transverse passage supporting system for position of ingate and construction method thereof

Also Published As

Publication number Publication date
CN102155233B (en) 2013-07-10

Similar Documents

Publication Publication Date Title
CN106869944B (en) The extra small clear-distance tunnel construction method in underground interchange intersection under complex environment
CN104612698B (en) A kind of shallow-depth-excavation tunnel top bar interval wall construction method
CN102071947B (en) Construction method for soft surrounding rock section of large-span tunnel portal
CN103510959B (en) A kind of Shallow-buried Large-span small interval loess tunnel excavation technology
CN103306687B (en) Soft rock tunnel long cantilever horizontal jet grouting Deformation control construction method
CN105839643B (en) A kind of tunnel construction method of use pattern foundation pit supporting structure
CN106761778B (en) A kind of underground digging in subway station construction technology suitable for upper-soft lower-hard ground
CN104453921B (en) A kind of Soft Rock Tunnel Excavation construction technology
CN102134998B (en) Construction method for wind-blown sand tunnel
CN102128035A (en) Construction method of bilateral biased small-clear distance tunnel
CN105804760B (en) Super-large-section tunnel drilling and blasting method extends constructing structure and construction method in situ
CN102182466B (en) Excavating method for jump-digging of double-side wall guide pit combined arch part of tunnel
CN104763435B (en) Construction method of shallow-buried excavation type large cross section of tunnel in tail slag filling area
CN105443132B (en) Shallow buried covered excavation cross stull method for tunnel construction
CN102733827B (en) Tunnel arch exchanging construction method and construction structure in tunnel arch exchanging construction
CN102704957A (en) Shed-frame method for shallowly burying large-sized underground structure construction
CN106246201A (en) The excavation in tunnel and karst cave treatment method when small-sized solution cavity is positioned at tunneling surrounding
CN101338678B (en) Supporting arch hidden digging top-down construction method
CN104790978A (en) Small-clear-distance grade separation tunnel annular guide pit construction method
CN104120731B (en) A kind of tunnel subsidence protector and construction method thereof
CN100543269C (en) The excavation method of constructing tunnel
JP4803429B2 (en) Construction method of underground cavity
CN102758642B (en) Long-span tunnel overlapping carrying arch structure for upper-soft and lower-hard stratum and construction method thereof
CN101769154A (en) Excavation supporting method for tunnel construction
CN105041349B (en) A kind of excavating construction method that station is digged on the basis of Subway Tunnel shield tunnel

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model
CP03 Change of name, title or address

Address after: 200011 Tibet South Road, Shanghai, No. 1170, No.

Patentee after: Shanghai Urban Construction Design & Research Institute

Address before: 200125 Dongfang Road, Shanghai, Pudong New Area, No. 3447

Patentee before: Shanghai Urban Construction Design and Research Institute

C56 Change in the name or address of the patentee

Owner name: SHANGHAI URBAN CONSTRUCTION DESIGN + RESEARCH INST

Free format text: FORMER NAME: SHANGHAI MUNICIPAL URBAN CONSTRUCTION DESIGN AND RESEARCH INST.

CP01 Change in the name or title of a patent holder

Address after: 200011 Tibet South Road, Shanghai, No. 1170, No.

Patentee after: Shanghai urban construction design & Research Institute (Group) Co., Ltd.

Address before: 200011 Tibet South Road, Shanghai, No. 1170, No.

Patentee before: Shanghai Urban Construction Design & Research Institute

CP01 Change in the name or title of a patent holder