CN108331587A - A kind of transverse passage-way ingate abolishes construction and restructuring bankrupt - Google Patents

A kind of transverse passage-way ingate abolishes construction and restructuring bankrupt Download PDF

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Publication number
CN108331587A
CN108331587A CN201810178365.1A CN201810178365A CN108331587A CN 108331587 A CN108331587 A CN 108331587A CN 201810178365 A CN201810178365 A CN 201810178365A CN 108331587 A CN108331587 A CN 108331587A
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China
Prior art keywords
scaffold
abolished
pilot tunnel
fender post
abolishes
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Pending
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CN201810178365.1A
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Chinese (zh)
Inventor
蔡志勇
杨祥亮
郭玉海
张亮
薛春苗
李海峰
王涛
杨海健
王牧月
张晟源
陈雪峰
李星晨
吕金彪
张涛
王英波
苏世宗
石文正
王越
张建珍
李文新
庞梦月
姜宁宁
李丹丹
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Beijing Municipal Construction Co Ltd
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Beijing Municipal Construction Co Ltd
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Publication date
Application filed by Beijing Municipal Construction Co Ltd filed Critical Beijing Municipal Construction Co Ltd
Priority to CN201810178365.1A priority Critical patent/CN108331587A/en
Publication of CN108331587A publication Critical patent/CN108331587A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries

Abstract

The invention discloses a kind of transverse passage-way ingates to abolish construction and restructuring bankrupt, and fender post is abolished for water drilling at transverse passage-way and unearthed tunnel ingate, and fender post is abolished three Pin of position grid and even stood, and during abolishing, top bar answers remaining core soil in advance position to forbid to abolish;The present invention carries out fender post according to each pilot tunnel sequence of construction and abolishes, supporting grid enters transverse passage-way excavation after the completion of abolishing, shield well transverse passage-way is divided into the unearthed channel of southern side transverse passage-way and north side, abolish the unearthed tunnel fender post in north side successively first, after unearthed tunnel excavation completes 15m, southern side shield launching transverse passage-way fender post is abolished successively, carries out adit construction;Fender post is abolished using water drilling at transverse passage-way and unearthed tunnel ingate, and it is even vertical that fender post abolishes position grid three Pin, abolishes that process safety is efficient, and construction efficiency is high, and the construction period shortens, and ensures the safe and efficient operation that transverse passage-way ingate is abolished.

Description

A kind of transverse passage-way ingate abolishes construction and restructuring bankrupt
Technical field
The present invention relates to technical field of tunnel construction, specifically a kind of transverse passage-way ingate abolishes construction and restructuring bankrupt.
Background technology
Underground Subway Station shallow embedding need to open up working face organizing construction below urban road in subsurface excavating shaft, And site of road does not have excavating shaft condition, then must according to condition residing for engineering, in subway station side excavating shaft, then Interconnection is excavated from vertical shaft to station direction, opens up the working face into subway station again by interconnection.
Wherein, fender post abolishes operation at the transverse passage-way and unearthed tunnel ingate, has constructed in shield well construction Cheng Hou, dismounting structure Construction Supporting System simultaneously set up one-shot job platform, carry out ingate per-fore pouring liquid with small pipe reinforcing, according to Each pilot tunnel sequence of construction carries out fender post and abolishes, and supporting grid enters transverse passage-way excavation, shield well transverse passage-way point after the completion of abolishing For the unearthed channel of southern side transverse passage-way and north side.It constructs and abolishes currently, lacking safe and efficient abolished for transverse passage-way ingate Method.
Invention content
The purpose of the present invention is to provide a kind of transverse passage-way ingates to abolish construction and restructuring bankrupt, to solve above-mentioned background The problem of being proposed in technology.
To achieve the above object, the present invention provides the following technical solutions:
A kind of transverse passage-way ingate abolishes construction and restructuring bankrupt, and fender post is water at transverse passage-way and unearthed tunnel ingate Brill is abolished, and fender post is abolished three Pin of position grid and even stood, and during abolishing, top bar answers remaining core soil in advance position to forbid to abolish, What transverse passage-way ingate abolished construction specifically includes following construction procedure:
The first step:When scaffold tears 2.35 meters of positions lower to vault open, is abolished by water drilling and gone along with sb. to guard him at No. 1 pilot tunnel top bar Stake, for tear range along 1.56m above vault excavation contour line to HL4, No. 1 pilot tunnel top bar excavates drilling depth 5m, temporary enclosed Face continues to remove scaffold;
Second step:When scaffold tears 4.91 meters of positions lower to vault open, No. 1 pilot tunnel place of getting out of a predicament or an embarrassing situation is abolished by water drilling and is gone along with sb. to guard him Stake, abolishes height 1.86m, and No. 1 pilot tunnel top bar and getting out of a predicament or an embarrassing situation is excavated simultaneously, is got out of a predicament or an embarrassing situation and is stopped excavation when excavating drilling depth 5m, faces When close face, continue remove scaffold;
Third walks:When scaffold tears 7.055 meters of positions lower to vault open, is abolished by water drilling and gone along with sb. to guard him at No. 2 pilot tunnel top bars Stake, abolishes height 2.38m, and No. 1 pilot tunnel excavates simultaneously with No. 2 pilot tunnel top bars, when No. 2 pilot tunnel top bars excavate drilling depth 5m, stops It only excavates, temporary enclosed face, continues to remove scaffold;
4th step:Scaffold, which is removed, to be completed, and is abolished No. 2 pilot tunnels by water drilling and is got out of a predicament or an embarrassing situation and locate fender post, abolishes height 2.26m, No. 1 pilot tunnel and No. 2 pilot tunnels excavate simultaneously;
5th step:Scaffold is set up, scaffold at west side i.e. 3, No. 4 pilot tunnel positions of corresponding transverse passage-way is set up, until under vault Fender post at No. 3 pilot tunnel top bars is abolished in 2.35 meters of positions by water drilling, and tear range is along vault excavation contour line to HL4 At square 1.56m, when No. 3 pilot tunnel top bars excavate drilling depth 5m, stops excavating, temporary enclosed face, continue to remove scaffold;
6th step:When scaffold tears 4.91 meters of positions lower to vault open, No. 3 pilot tunnel places of getting out of a predicament or an embarrassing situation are abolished by water drilling and are gone along with sb. to guard him Stake, abolish height 1.86m, No. 3 pilot tunnel up/down steps excavate simultaneously, get out of a predicament or an embarrassing situation drilling depth 5m when stop excavation, temporary enclosed area Face continues to remove scaffold;
7th step:When scaffold tears 7.055 meters of positions lower to vault open, is abolished by water drilling and gone along with sb. to guard him at No. 4 pilot tunnel top bars Stake, abolishes height 2.38m, and No. 3 pilot tunnels excavate simultaneously with No. 4 pilot tunnel top bars, when No. 4 pilot tunnel top bars excavate drilling depth 5m, stops It only excavates, temporary enclosed face, continues to remove scaffold;
8th step:Scaffold, which is removed, to be completed, and is abolished No. 4 pilot tunnels by water drilling and is got out of a predicament or an embarrassing situation and locate fender post, abolishes height 2.26m, 4 pilot tunnels excavate simultaneously.
As a further solution of the present invention:The construction method that fender post is abolished at the unearthed tunnel ingate include with Under abolish step:
The first step:When scaffold tears 3.00 meters of positions lower to vault open, is abolished by water drilling and gone along with sb. to guard him at No. 1 pilot tunnel top bar Stake, abolishes range 2.3m above vault excavation contour line to excavation contour line bottom, and No. 1 pilot tunnel top bar excavates drilling depth 5m When, stop excavating, temporary enclosed face, continues to remove scaffold;
Second step:Scaffold, which is removed, to be completed, and is abolished No. 1 pilot tunnel by water drilling and is got out of a predicament or an embarrassing situation and locate fender post, abolishes height 2.3m, No. 1 upper and lower step of pilot tunnel excavate simultaneously;
Third walks:Scaffold is set up, scaffold at the i.e. corresponding unearthed pilot tunnel position of tunnel 2 in east side is set up, is inserted into arch Lower 3.00 meters of positions are pushed up, fender post at No. 2 pilot tunnel top bars is abolished by water drilling, abolish range along vault excavation contour line to opening 2.3m above contour line bottom is dug, when No. 2 pilot tunnel top bars excavate drilling depth 5m, stops excavating, temporary enclosed face removes foot Hand cradle;
4th step:Scaffold, which is removed, to be completed, and is abolished No. 2 pilot tunnels by water drilling and is got out of a predicament or an embarrassing situation and locate fender post, abolishes height 2.3m, No. 2 pilot tunnel up/down steps excavate simultaneously.
As a further solution of the present invention:After the completion of interim two lining of shield launching transverse passage-way performs, horse is carried out out Advance support at head, the rear ingate that carries out abolish construction, and launching shaft transverse passage-way section main track ingate is abolished at construction 4, It carries out diagonal ingate and abolishes construction.
Compared with prior art, the beneficial effects of the invention are as follows:The present invention carries out fender post according to each pilot tunnel sequence of construction It abolishes, supporting grid enters transverse passage-way excavation after the completion of abolishing, and shield well transverse passage-way is divided into southern side transverse passage-way and north side is unearthed and is led to The unearthed tunnel fender post in north side is abolished in road successively first, after unearthed tunnel excavation completes 15m, is abolished southern side shield successively and is begun It acts in an unreasonable way channel fender post, carries out adit construction;Fender post is abolished using water drilling at transverse passage-way and unearthed tunnel ingate, is gone along with sb. to guard him It is even vertical that position grid three Pin is abolished in stake, abolishes that process safety is efficient, and construction efficiency is high, and the construction period shortens, and ensures horizontal logical The safe and efficient operation that road ingate is abolished.
Description of the drawings
Fig. 1-8 is the structural schematic diagram that transverse passage-way ingate abolishes construction in the present invention.
Fig. 9-12 is the structural schematic diagram for the construction method that fender post is abolished at unearthed tunnel ingate in the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
In the embodiment of the present invention, a kind of transverse passage-way ingate abolishes construction and restructuring bankrupt, transverse passage-way and unearthed tunnel horse Fender post is abolished using water drilling at head door, and fender post is abolished three Pin of position grid and even stood, and during abolishing, top bar should reserve core Forbid to abolish in cubsoil position.Wherein, what transverse passage-way ingate abolished construction specifically includes following construction procedure:
The first step:When scaffold tears 2.35 meters of positions lower to vault open, is abolished using water drilling and gone along with sb. to guard him at No. 1 pilot tunnel top bar Stake, tear range is along 1.56m above vault excavation contour line to HL4, in detail as shown in Figure 1.No. 1 pilot tunnel top bar excavates drilling depth 5m, temporary enclosed face continue to remove scaffold.
Second step:When scaffold tears 4.91 meters of positions lower to vault open, No. 1 pilot tunnel place of getting out of a predicament or an embarrassing situation is abolished using water drilling and is gone along with sb. to guard him Stake, abolishes height 1.86m, in detail as shown in Figure 2.No. 1 pilot tunnel top bar is excavated simultaneously with getting out of a predicament or an embarrassing situation, and is got out of a predicament or an embarrassing situation when excavating drilling depth 5m Stop excavating, temporary enclosed face, continues to remove scaffold.
Third walks:When scaffold tears 7.055 meters of positions lower to vault open, is abolished using water drilling and gone along with sb. to guard him at No. 2 pilot tunnel top bars Stake, abolishes height 2.38m, in detail as shown in Figure 3.No. 1 pilot tunnel excavates simultaneously with No. 2 pilot tunnel top bars, and No. 2 pilot tunnel top bars are excavated When drilling depth 5m, stop excavating, temporary enclosed face, continues to remove scaffold.
4th step:Scaffold, which is removed, to be completed, and is abolished No. 2 pilot tunnels using water drilling and is got out of a predicament or an embarrassing situation and locate fender post, abolishes height 2.26m, in detail as shown in Figure 4.No. 1 pilot tunnel and No. 2 pilot tunnels excavate simultaneously.
5th step:It sets up under scaffold (set up west side and correspond to scaffold at 3, No. 4 pilot tunnel positions of transverse passage-way) to vault Fender post at No. 3 pilot tunnel top bars is abolished in 2.35 meters of positions using water drilling, and tear range is along vault excavation contour line to HL4 At square 1.56m, in detail as shown in Figure 5.When No. 3 pilot tunnel top bars excavate drilling depth 5m, stop excavating, temporary enclosed face continues Remove scaffold.
6th step:When scaffold tears 4.91 meters of positions lower to vault open, No. 3 pilot tunnel places of getting out of a predicament or an embarrassing situation are abolished using water drilling and are gone along with sb. to guard him Stake, abolishes height 1.86m, in detail as shown in Figure 6.No. 3 pilot tunnel up/down steps excavate simultaneously, get out of a predicament or an embarrassing situation drilling depth 5m when stop excavate, Temporary enclosed face continues to remove scaffold.
7th step:When scaffold tears 7.055 meters of positions lower to vault open, is abolished using water drilling and gone along with sb. to guard him at No. 4 pilot tunnel top bars Stake, abolishes height 2.38m, in detail as shown in Figure 7.No. 3 pilot tunnels excavate simultaneously with No. 4 pilot tunnel top bars, and No. 4 pilot tunnel top bars are excavated When drilling depth 5m, stop excavating, temporary enclosed face, continues to remove scaffold.
8th step:Scaffold, which is removed, to be completed.It abolishes No. 4 pilot tunnels using water drilling and gets out of a predicament or an embarrassing situation and locate fender post, abolish height 2.26m, in detail as shown in Figure 8.4 pilot tunnels excavate simultaneously.
Secondly, the construction method that fender post is abolished at unearthed tunnel ingate includes following abolishing step:
The first step:When scaffold tears 3.00 meters of positions lower to vault open, is abolished using water drilling and gone along with sb. to guard him at No. 1 pilot tunnel top bar Stake, abolishes range 2.3m above vault excavation contour line to excavation contour line bottom, in detail as shown in Figure 9.No. 1 pilot tunnel top bar When excavating drilling depth 5m, stop excavating, temporary enclosed face, continues to remove scaffold.
Second step:Scaffold, which is removed, to be completed.It abolishes No. 1 pilot tunnel using water drilling and gets out of a predicament or an embarrassing situation and locate fender post, abolish height 2.3m, in detail as shown in Figure 10.No. 1 upper and lower step of pilot tunnel excavates simultaneously.
Third walks:It sets up scaffold (setting up scaffold at the i.e. corresponding unearthed pilot tunnel position of tunnel 2 in east side) and is inserted into arch Lower 3.00 meters of positions are pushed up, fender post at No. 2 pilot tunnel top bars is abolished using water drilling, abolish range along vault excavation contour line to opening 2.3m above contour line bottom is dug, in detail as shown in Figure 11.When No. 2 pilot tunnel top bars excavate drilling depth 5m, stop excavating, temporary enclosed Face removes scaffold.
4th step:Scaffold, which is removed, to be completed, and is abolished No. 2 pilot tunnels using water drilling and is got out of a predicament or an embarrassing situation and locate fender post, abolishes height 2.3m, In detail as shown in Figure 12.No. 2 pilot tunnel up/down steps excavate simultaneously.
Further, after the completion of interim two lining of shield launching transverse passage-way performs, advance support at head of the horse is carried out out, it is rear to carry out Ingate abolishes construction.Launching shaft transverse passage-way section main track ingate is abolished at construction 4, carries out diagonal ingate and abolish to apply Work.
The invention is not limited in above-described embodiments, on the basis of technical solution disclosed by the invention, the skill of this field For art personnel according to disclosed technology contents, one can be made to some of which technical characteristic by not needing performing creative labour A little simple modification, equivalent change and modifications, belong in the range of technical solution of the present invention.

Claims (3)

1. a kind of transverse passage-way ingate abolishes construction and restructuring bankrupt, fender post is water drilling at transverse passage-way and unearthed tunnel ingate It abolishes, fender post is abolished three Pin of position grid and is even stood, and during abolishing, top bar answers remaining core soil in advance position to forbid to abolish, It is characterized in that, what transverse passage-way ingate abolished construction specifically includes following construction procedure:
The first step:When scaffold tears 2.35 meters of positions lower to vault open, fender post at No. 1 pilot tunnel top bar is abolished by water drilling, is broken Locate range along 1.56m above vault excavation contour line to HL4, No. 1 pilot tunnel top bar excavates drilling depth 5m, temporary enclosed area Face continues to remove scaffold;
Second step:When scaffold tears 4.91 meters of positions lower to vault open, abolishes No. 1 pilot tunnel by water drilling and get out of a predicament or an embarrassing situation and locate fender post, break Except height 1.86m, No. 1 pilot tunnel top bar is excavated simultaneously with getting out of a predicament or an embarrassing situation, and is got out of a predicament or an embarrassing situation and is stopped excavating when excavating drilling depth 5m, temporary enclosed Face continues to remove scaffold;
Third walks:When scaffold tears 7.055 meters of positions lower to vault open, fender post at No. 2 pilot tunnel top bars is abolished by water drilling, is broken Except height 2.38m, No. 1 pilot tunnel excavates simultaneously with No. 2 pilot tunnel top bars, when No. 2 pilot tunnel top bars excavate drilling depth 5m, stops out It digs, temporary enclosed face, continues to remove scaffold;
4th step:Scaffold, which is removed, to be completed, and is abolished No. 2 pilot tunnels by water drilling and is got out of a predicament or an embarrassing situation place's fender post, abolishes height 2.26m, No. 1 Pilot tunnel and No. 2 pilot tunnels excavate simultaneously;
5th step:Scaffold is set up, scaffold at west side i.e. 3, No. 4 pilot tunnel positions of corresponding transverse passage-way is set up, until 2.35 under vault Rice position, abolishes fender post at No. 3 pilot tunnel top bars, tear range is above vault excavation contour line to HL4 by water drilling At 1.56m, when No. 3 pilot tunnel top bars excavate drilling depth 5m, stops excavating, temporary enclosed face, continue to remove scaffold;
6th step:When scaffold tears 4.91 meters of positions lower to vault open, abolishes No. 3 pilot tunnels by water drilling and get out of a predicament or an embarrassing situation and locate fender post, break Except height 1.86m, No. 3 pilot tunnel up/down steps excavate simultaneously, get out of a predicament or an embarrassing situation drilling depth 5m when stop excavate, temporary enclosed face, after It is continuous to remove scaffold;
7th step:When scaffold tears 7.055 meters of positions lower to vault open, fender post at No. 4 pilot tunnel top bars is abolished by water drilling, is broken Except height 2.38m, No. 3 pilot tunnels excavate simultaneously with No. 4 pilot tunnel top bars, when No. 4 pilot tunnel top bars excavate drilling depth 5m, stop out It digs, temporary enclosed face, continues to remove scaffold;
8th step:Scaffold, which is removed, to be completed, and is abolished No. 4 pilot tunnels by water drilling and is got out of a predicament or an embarrassing situation place's fender post, abolishes height 2.26m, 4 Pilot tunnel excavates simultaneously.
2. a kind of transverse passage-way ingate according to claim 1 abolishes construction and restructuring bankrupt, which is characterized in that be unearthed tunnel The construction method that fender post is abolished at road ingate includes following abolishing step:
The first step:When scaffold tears 3.00 meters of positions lower to vault open, fender post at No. 1 pilot tunnel top bar is abolished by water drilling, is broken Except 2.3m stops range when No. 1 pilot tunnel top bar excavates drilling depth 5m above vault excavation contour line to excavation contour line bottom It excavates, temporary enclosed face, continues to remove scaffold;
Second step:Scaffold, which is removed, to be completed, and is abolished No. 1 pilot tunnel by water drilling and is got out of a predicament or an embarrassing situation place's fender post, abolishes height 2.3m, and 1 Number upper and lower step of pilot tunnel excavates simultaneously;
Third walks:Scaffold is set up, scaffold at the i.e. corresponding unearthed pilot tunnel position of tunnel 2 in east side is set up, is inserted under vault Fender post at No. 2 pilot tunnel top bars is abolished in 3.00 meters of positions by water drilling, abolish range along vault excavation contour line to excavate wheel 2.3m above profile bottom when No. 2 pilot tunnel top bars excavate drilling depth 5m, stops excavating, and temporary enclosed face removes foot hand Frame;
4th step:Scaffold, which is removed, to be completed, and is abolished No. 2 pilot tunnels by water drilling and is got out of a predicament or an embarrassing situation place's fender post, abolishes height 2.3m, No. 2 Pilot tunnel up/down steps excavate simultaneously.
3. a kind of transverse passage-way ingate according to claim 2 abolishes construction and restructuring bankrupt, which is characterized in that the shield Structure originates after the completion of interim two lining of transverse passage-way performs, and carries out out advance support at head of the horse, the rear ingate that carries out abolishes construction, shield Starting well transverse passage-way section main track ingate is abolished at construction 4, is carried out diagonal ingate and is abolished construction.
CN201810178365.1A 2018-03-05 2018-03-05 A kind of transverse passage-way ingate abolishes construction and restructuring bankrupt Pending CN108331587A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203742611U (en) * 2013-07-08 2014-07-30 北京城建设计发展集团股份有限公司 Strengthening supporting structure for opening ingate on side wall of tunnel under preliminary supporting condition
CN205422752U (en) * 2015-11-25 2016-08-03 中铁十八局集团有限公司 Interior top longeron of pilot tunnel serves as a contrast synchronous construction structures with hogging no. 2 in secretly digging station median septum method
CN106150506A (en) * 2016-07-08 2016-11-23 中铁十六局集团地铁工程有限公司 A kind of gateway open excavation section inverted side-wall construction method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203742611U (en) * 2013-07-08 2014-07-30 北京城建设计发展集团股份有限公司 Strengthening supporting structure for opening ingate on side wall of tunnel under preliminary supporting condition
CN205422752U (en) * 2015-11-25 2016-08-03 中铁十八局集团有限公司 Interior top longeron of pilot tunnel serves as a contrast synchronous construction structures with hogging no. 2 in secretly digging station median septum method
CN106150506A (en) * 2016-07-08 2016-11-23 中铁十六局集团地铁工程有限公司 A kind of gateway open excavation section inverted side-wall construction method

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Title
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Application publication date: 20180727