CN104818994A - Urban subway n-shaped double-shaft and double transverse passage plane arrangement system - Google Patents
Urban subway n-shaped double-shaft and double transverse passage plane arrangement system Download PDFInfo
- Publication number
- CN104818994A CN104818994A CN201510219747.0A CN201510219747A CN104818994A CN 104818994 A CN104818994 A CN 104818994A CN 201510219747 A CN201510219747 A CN 201510219747A CN 104818994 A CN104818994 A CN 104818994A
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- China
- Prior art keywords
- transverse passage
- tunnel
- way
- vertical shaft
- construction
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D8/00—Shafts not provided for in groups E21D1/00 - E21D7/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
Abstract
The invention discloses an urban subway n-shaped double-shaft and double transverse passage plane arrangement system. The system comprises a tunnel middle line (1), and is characterized by also comprising a shaft (2) and two transverse passages (3), wherein the shaft (2) is excavated in one side of the tunnel middle line (1) in a concealed manner; the transverse passages (3) are communicated with the shaft (2) through cambered transition sections (3) respectively; the middle parts of the transverse passages (3) are crossed with the tunnel middle line (1) at a certain angle. The system has a safe and stable structure and can simultaneously meet the requirement on concealed excavation and shield construction without mutual affection. The shafts and the n-shaped double transverse passages realize concealed excavation in a narrow range and parallel construction of a shield; the construction progress and the construction efficiency are improved; the cost is saved; a reference is provided for design and construction of the shafts and the transverse passages of metros in future.
Description
Technical field
The present invention relates to subway work field, particularly relate to a kind of city underground π type twin shafts and two transverse passage-way layout system.
Background technology
Under existing situation, domestic subway construction develop rapidly, but due to subway construction be in city, be different from the construction of other railways, highway, construction plant scope is little and must not to affect traffic be the difficult problem that subway construction needs to overcome all the time, and main equipment such for shield machine is widely used in subway construction.Extremely difficult especially to solution problems, when especially the interval station, two ends of shield structure cannot meet shield launching or condition of acceptance, these problems seem particularly outstanding.
Subway construction is in city mostly, and the impact of the factor such as the hydraulic character at, station little by construction plant scope, constrains subway work progress.For accelerating the interval construction speed between subway station, generally near interval circuit, arrange vertical shaft, and by transverse passage-way and main track connection, to meet construction and excavation, unearthed, equipment lifts up into or hangs out and the construction space requirement of transport of materials etc.As shown in Figure 1, its traditional layout is generally vertical shaft and is positioned at circuit side, the form that transverse passage-way axis is orthogonal with line direction: this arrangement form is that Subway Tunnel adds work plane, avoid to a certain extent and affect traffic, also subway construction is accelerated, but mechanized construction degree is still low, and when especially using shield construction, its unearthed efficiency is subject to serious restriction.
Summary of the invention
Technical problem to be solved by this invention is: providing a kind of city underground π type twin shafts and two transverse passage-way layout system, can meet starting and receiving requirement of shield machine in the space among a small circle when not affecting traffic.
Technical problem to be solved by this invention is achieved through the following technical solutions:
A kind of city underground π type twin shafts and two transverse passage-way layout system, comprise tunnel center line, it is characterized in that: also comprise a vertical shaft and two transverse passage-ways; Described vertical shaft tunneling is provided with one mid-board in vertical shaft centre position, center line side, tunnel, and bottom communicates; Described vertical shaft both sides are communicated with transverse passage-way respectively by arc-shaped transition section, crossing with tunnel center line at an angle in the middle part of transverse passage-way.Through spatial simulation, design code transverse passage-way and main track tunnel are 45° angle oblique, and the setting of this angle mainly meets shield machine when entering main track tunnel by transverse passage-way and to turn the requirement of operation to space.
Described layout entire system is π type, and a vertical shaft is arranged at center line side, tunnel, two transverse passage-way symmetries be located at vertical shaft both sides.
Described tunnel center line comprises two parallel tunnel lines, and the transverse passage-way of homonymy and two tunnel center lines are crossing and make Seal treatment at transverse passage-way end with equal angular.
Described vertical shaft is rectangle, and corner arranges steel concrete and tiltedly drags, and strengthens corner stressed, and be divided into two frameworks by mid-board in the middle of described vertical shaft, described two framework bottoms communicate; Described vertical shaft is longitudinally divided into five layers, and interlayer adopts hands over the segmentation of ring beam.
The section main track place of punching, the intersection periphery of described transverse passage-way and tunnel center line is provided with strengthened ring beam.
Described tunnel center line is divided into upper and lower two, and every bar tunnel center line is divided into again standard paragraphs and the tunneling section at middle part, is also provided with expanding reach on the left of described tunnel center line.
Present invention also offers a kind of about the construction method of city underground π type twin shafts with two transverse passage-way layout system, step is as follows:
(1) first carry out shaft structure construction, after carry out adit construction;
(2) expanding reach, the construction of standard paragraphs bored tunnel: expanding reach carries out bored tunnel, and between two transverse passage-ways, standard paragraphs carries out bored tunnel;
(3), after tunneling section construction, right line shield machine kludge tunneling construction is carried out; After right line tunnel piercing 120 meters, carry out left line shield machine kludge tunneling construction.
Wherein, shield machine all carries out lifting into well at vertical shaft western entrance, by No. 1 transverse passage-way, and finally enters shield structure expanding reach tunnel after transverse passage-way and main track tunnel cross mouth place rotate; First cutterhead, anterior shield, middle shield are lifted well and be placed on translating carriage during shield machine lifting, move to after being assembled into an entirety in expanding reach tunnel, afterwards tail shield is lifted vertical shaft to be placed on translating carriage and to move in expanding reach tunnel, finally conveying worm handling is moved in expanding reach tunnel, complete the assembling of whole shield structure.
The technique effect that the present invention adopts technique scheme to have is:
Structural safety of the present invention is stablized, and can meet tunneling and shield-tunneling construction simultaneously, be independent of each other.Two transverse passage-ways that vertical shaft and π type distribute achieve the parallel construction of tunneling and shield structure in narrow range, improve construction speed, efficiency of construction, have saved cost, for later subway vertical shaft and transverse passage-way design, constructing provides reference.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described
Fig. 1 is conventional vertical shaft transverse passage-way and circuit orthogonal plane arrangement diagram
Fig. 2 is layout plan of the present invention
Fig. 3 is vertical shaft sectional side elevation
Fig. 4 is twin shafts plan view
Wherein, 1-tunnel center line, 2-vertical shaft, 3-transverse passage-way, 4-changeover portion, 5-mid-board, 6-standard paragraphs, 7-tunneling section, 8-expanding reach
Detailed description of the invention
A kind of city underground π type twin shafts as shown in Figure 2 and two transverse passage-way layout system, comprise tunnel center line 1, it is characterized in that: also comprise a vertical shaft 2 and two transverse passage-ways 3; The open cut of described vertical shaft 2 is in tunnel center line 1 side; Vertical shaft 1 both sides are communicated with transverse passage-way 3 respectively by arc-shaped transition section 4, crossing with tunnel center line 1 at an angle in the middle part of transverse passage-way 3.This layout system synthesis considers transverse passage-way 3 and arranges the functional requirement that need meet shield launching and tunneling parallel construction, in vertical shaft 2 both sides, a transverse passage-way 3 is respectively set, two transverse passage-ways 3 are π type with main track Skew Tunnel respectively, build after construction completes at transverse passage-way 3, can main track constructing tunnel be carried out.
Layout entire system is π type, vertical shaft 2 near with tunnel center line 1 side, article two, transverse passage-way 3 symmetry be located at vertical shaft 2 both sides, two transverse passage-ways that vertical shaft and π type are arranged achieve the parallel construction of tunneling and shield structure in narrow range, improve construction speed.
Tunnel center line 1 comprises two parallel tunnel lines, and the transverse passage-way 3 of homonymy and two tunnel center lines 1 are crossing and make Seal treatment at transverse passage-way 3 end with equal angular.Transverse passage-way design need meet the requirement of the following aspects: the movement requirement 1) meeting shield launching; 2) can as the scope of operation of tunneling section; 3) operability and the construction period of vertical shaft adit construction is possessed.
As tunneling section construction shaft again as launching shaft, the boring construction cycle is longer, there is crossed construction operation, the Main Function of vertical shaft in later stage and shield structure: 1) meet tunneling and the parallel operations simultaneously of shield structure, do not interfere with each other; 2) as the transport channel (transport section of jurisdiction and mortar) in shield launching process; 3) later stage doublely does service channel and pump house.Vertical shaft of the present invention 2 is as shown in Figure 3 and Figure 4 rectangle, corner arranges steel concrete and tiltedly drags, strengthen corner stressed, described vertical shaft 2 is longitudinally divided into five layers, interlayer adopts hands over the segmentation of ring beam, according to the difference that formation variation affects shaft structure, design floor height is respectively 4.82m, 4.5m, 5.51m, 9.39m, 1.75m from the top down.Needed for shield launching lifting and shaft hoisting system, the vertical shaft set by requirement of working space and boring construction can ensure the utilization rate of plant equipment, cost-saving, convenient construction.
Layout system of the present invention needs at the enterprising one-step optimization of structure design: be included in transverse passage-way intersection section and adopt the construction of CRD engineering method, arrange strengthened ring beam to the section main track place of punching, the intersection periphery of transverse passage-way 3 and tunnel center line 1; Meanwhile, after intersection section lining cutting terminates, carry out the measures such as tunnel main track excavation construction on request ensure safety for tunnel engineering.
Construction method of the present invention is: first carry out shaft structure construction, carry out No. 1, No. 2 adit constructions afterwards, then standard paragraphs, the construction of expanding reach bored tunnel is carried out, between expanding reach bored tunnel, two transverse passage-ways after standard paragraphs bored tunnel, No. 2 transverse passage-way east side 50m constructing tunnels, first carry out right line shield machine kludge tunneling construction; After right line tunnel piercing 100 ring, carry out left line shield machine kludge tunneling construction.Wherein, two shield machines all carry out lifting into well at vertical shaft western entrance, by No. 1 transverse passage-way, and finally enter shield structure expanding reach tunnel after transverse passage-way and main track tunnel cross mouth place rotate; First cutterhead, anterior shield, middle shield are lifted well and be placed on translating carriage during lifting, move to after being assembled into an entirety in expanding reach tunnel, afterwards tail shield is lifted vertical shaft to be placed on translating carriage and to move in expanding reach tunnel, finally conveying worm handling is moved in expanding reach tunnel, complete the assembling of whole shield structure.
It should be noted that above-mentioned detailed description of the invention of the present invention only for exemplary illustration or explain principle of the present invention, and be not construed as limiting the invention.Therefore, any amendment made when without departing from the spirit and scope of the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.In addition, claims of the present invention be intended to contain fall into claims scope and border or this scope and border equivalents in whole change and amendment.
Claims (10)
1. city underground π type twin shafts and a two transverse passage-way layout system, comprise tunnel center line (1), it is characterized in that: also comprise a vertical shaft (2) and two transverse passage-ways (3); Described vertical shaft (2) tunneling is in tunnel center line (1) side; Described vertical shaft (1) both sides are communicated with transverse passage-way (3) respectively by arc-shaped transition section (4), transverse passage-way (3) middle part and tunnel center line (1) oblique.
2. city underground π type twin shafts according to claim 1 and two transverse passage-way layout system, it is characterized in that: described layout entire system is π type, vertical shaft near with tunnel center line (1) side, what two transverse passage-ways (3) were symmetrical is located at vertical shaft (2) both sides.
3. city underground π type twin shafts according to claim 1 and two transverse passage-way layout system, it is characterized in that: described tunnel center line (1) comprises two parallel tunnel lines, the transverse passage-way (3) of homonymy is crossing with 45° angle degree with two tunnel center lines (1), and makes Seal treatment at transverse passage-way (3) end.
4. city underground π type twin shafts according to claim 1 and two transverse passage-way layout system, is characterized in that: described vertical shaft (2) is rectangle, and corner arranges steel concrete and tiltedly drags; Described vertical shaft (2) is longitudinally divided into multilayer.
5. city underground π type vertical shaft according to claim 1 and two transverse passage-way layout system, is characterized in that: described transverse passage-way (3) is provided with strengthened ring beam with the section main track place of punching, the intersection periphery of tunnel center line (1).
6. city underground π type twin shafts according to claim 2 and two transverse passage-way layout system, is characterized in that: be divided into two frameworks by mid-board (5) in the middle of described vertical shaft (2), described two framework bottoms communicate; Described vertical shaft (2) is longitudinally divided into five layers, and interlayer adopts hands over the segmentation of ring beam.
7. city underground π type twin shafts according to claim 2 and two transverse passage-way layout system, it is characterized in that: described tunnel center line (1) is divided into upper and lower two, every bar tunnel center line (1) is divided into again standard paragraphs (6) and the tunneling section (7) at middle part, and left side, described tunnel center line (1) is also provided with expanding reach (8).
8. the city underground π type twin shafts according to claim 1-7 and the construction method of two transverse passage-way layout system, comprise the following steps:
(1) first carry out vertical shaft (1) structure construction, after carry out transverse passage-way (3) construction;
(2) expanding reach (8), the construction of standard paragraphs (6) bored tunnel: expanding reach carries out bored tunnel, and between two transverse passage-ways (3), standard paragraphs (6) carries out bored tunnel;
(3), after tunneling section (7) construction, right line shield machine kludge tunneling construction is carried out; After right line tunnel piercing 120 meters, carry out left line shield machine kludge tunneling construction.
9. the construction method of city underground π type twin shafts according to claim 8 and two transverse passage-way layout system, described shield machine all carries out lifting into well at vertical shaft western entrance, by No. 1 transverse passage-way, and finally enter shield structure expanding reach tunnel after transverse passage-way and main track tunnel cross mouth place rotate.
10. according to the construction method of city underground π type twin shafts according to claim 8 with two transverse passage-way layout system, first cutterhead, anterior shield, middle shield are lifted well and be placed on translating carriage during described shield machine lifting, move to after being assembled into an entirety in expanding reach tunnel, afterwards tail shield is lifted vertical shaft to be placed on translating carriage and to move in expanding reach tunnel, finally conveying worm handling is moved in expanding reach tunnel, complete the assembling of whole shield structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510219747.0A CN104818994A (en) | 2015-04-30 | 2015-04-30 | Urban subway n-shaped double-shaft and double transverse passage plane arrangement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510219747.0A CN104818994A (en) | 2015-04-30 | 2015-04-30 | Urban subway n-shaped double-shaft and double transverse passage plane arrangement system |
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| CN104818994A true CN104818994A (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510219747.0A Pending CN104818994A (en) | 2015-04-30 | 2015-04-30 | Urban subway n-shaped double-shaft and double transverse passage plane arrangement system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484287A (en) * | 2015-02-06 | 2016-04-13 | 中铁隧道勘测设计院有限公司 | Design and construction method of joining new subway station and existing subway station by holing baseplates |
| CN106193111A (en) * | 2015-05-08 | 2016-12-07 | 中铁隧道勘测设计院有限公司 | New subway gateway is crossed street with existing assembled and is connected design and construction method |
| CN106593454A (en) * | 2017-01-25 | 2017-04-26 | 北京市市政工程设计研究总院有限公司 | Shield side original tunneling construction method and structure combined with subsurface excavated construction of original well and hoisting well |
| CN108331591A (en) * | 2018-01-24 | 2018-07-27 | 中铁四局集团有限公司 | A kind of tunnel excavation construction supplementary structure system |
| CN110439574A (en) * | 2019-07-16 | 2019-11-12 | 中铁隧道集团二处有限公司 | It is originated for shield lateral translation and the tunnel structure and construction method of haul of slagging tap |
| CN111852500A (en) * | 2020-06-30 | 2020-10-30 | 中南大学 | Transverse channel design method for magnetic suspension railway tunnel with speed per hour of more than 600km |
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| JP2000179288A (en) * | 1998-12-18 | 2000-06-27 | Taisei Corp | Shield machine and construction method for shield tunnel |
| CN102777187A (en) * | 2012-07-24 | 2012-11-14 | 岑益南 | Device and method for tunnel construction |
| CN103114857A (en) * | 2013-02-26 | 2013-05-22 | 中铁十九局集团第二工程有限公司 | Shield tunnel construction method |
| CN103939105A (en) * | 2014-03-24 | 2014-07-23 | 中铁工程设计咨询集团有限公司 | Construction method and structure for laying construction shaft above underground engineering |
| CN204663535U (en) * | 2015-04-30 | 2015-09-23 | 中铁二十二局集团第一工程有限公司 | City underground π type twin shafts and two transverse passage-way layout system |
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Patent Citations (5)
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| JP2000179288A (en) * | 1998-12-18 | 2000-06-27 | Taisei Corp | Shield machine and construction method for shield tunnel |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484287A (en) * | 2015-02-06 | 2016-04-13 | 中铁隧道勘测设计院有限公司 | Design and construction method of joining new subway station and existing subway station by holing baseplates |
| CN106193111A (en) * | 2015-05-08 | 2016-12-07 | 中铁隧道勘测设计院有限公司 | New subway gateway is crossed street with existing assembled and is connected design and construction method |
| CN106593454A (en) * | 2017-01-25 | 2017-04-26 | 北京市市政工程设计研究总院有限公司 | Shield side original tunneling construction method and structure combined with subsurface excavated construction of original well and hoisting well |
| CN108331591A (en) * | 2018-01-24 | 2018-07-27 | 中铁四局集团有限公司 | A kind of tunnel excavation construction supplementary structure system |
| CN110439574A (en) * | 2019-07-16 | 2019-11-12 | 中铁隧道集团二处有限公司 | It is originated for shield lateral translation and the tunnel structure and construction method of haul of slagging tap |
| CN111852500A (en) * | 2020-06-30 | 2020-10-30 | 中南大学 | Transverse channel design method for magnetic suspension railway tunnel with speed per hour of more than 600km |
| CN111852500B (en) * | 2020-06-30 | 2021-09-24 | 中南大学 | Transverse channel design method for magnetic suspension railway tunnel with speed per hour of more than 600km |
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| EXSB | Decision made by sipo to initiate substantive examination | ||
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Application publication date: 20150805 |