CN107060803A - A kind of method for tunnel construction of utilization pipe curtain slip casting - Google Patents
A kind of method for tunnel construction of utilization pipe curtain slip casting Download PDFInfo
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- CN107060803A CN107060803A CN201610878148.4A CN201610878148A CN107060803A CN 107060803 A CN107060803 A CN 107060803A CN 201610878148 A CN201610878148 A CN 201610878148A CN 107060803 A CN107060803 A CN 107060803A
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- 238000010276 construction Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000007569 slipcasting Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 146
- 239000010959 steel Substances 0.000 claims abstract description 146
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000011435 rock Substances 0.000 claims abstract description 21
- 239000002689 soil Substances 0.000 claims description 17
- 238000003780 insertion Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 238000005553 drilling Methods 0.000 claims description 8
- 238000009412 basement excavation Methods 0.000 claims description 4
- 239000004567 concrete Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000011378 shotcrete Substances 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 claims description 2
- 238000001764 infiltration Methods 0.000 claims description 2
- 230000005641 tunneling Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 9
- 230000006378 damage Effects 0.000 abstract description 7
- 238000005728 strengthening Methods 0.000 abstract description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 8
- 239000010962 carbon steel Substances 0.000 description 8
- 238000007596 consolidation process Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D9/001—Improving soil or rock, e.g. by freezing; Injections
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The present invention relates to a kind of method for tunnel construction of utilization pipe curtain slip casting.It can be provided by the present invention, with the stage including marking drill site, steel pipe is inserted into the stage of rock stratum, the stage of injected foundation, the stage that steel pipe is rearward extended, the stage of steel supporting material is installed, the stage of tunneling, and steel supporting material and the steel pipe by their supports, it is used in Tunnel oral structure, thus caving in or caving in for Tunnel oral area ground is prevented, the easy construction tunnel hole portion of safety, and inclined-plane need not be intercepted, prevent the destruction of ground, preserve natural environment, around stable Tunnel oral area, obtain the effect without Strengthening Tunnel hole portion slope.
Description
Technical field
The present invention relates to a kind of method for tunnel construction of utilization pipe curtain slip casting, especially a kind of pipe curtain intercepted without original place base
The construction method in the tunnel of slip casting.
Background technology
During general composition tunnel portal location, tunnel portal is installed on the basic point interception inclined-plane in tunnel.Now, because of Tunnel
The upside and the left and right sides in mouth location inevitably intercept inclined-plane, can destroy natural environment, because oblique around tunnel portal location
Face is unstable, it is necessary to which other upgrade a slope, can increase engineering cost.Moreover, intercepting inclined-plane, it is necessary to use equivalent area for stabilization
Additional land used, therefore can excessive consuming group engineering cost in the slope.To solve the above problems, appearing in the pre- top that undermines
Canopy, with arch be inclined upwardly insertion, multiple steel pipes and slip casting are installed, excavated with this advance Strengthening Tunnel after section ceiling, then carry out
The technology of excavation.But, steel pipe is inclined upwardly with 5-10 ° or so when being installed due to above-mentioned conventional art, therefore more from tunnel
Ceiling is inserted to its inner side, more isolates steel pipe distance each other, causes the sand for being lost in steel pipe epimere, and steel pipe hypomere
Wedge-shaped soil block is separated by steel pipe, hidden danger of being caved in when having tunneling, thus can decline the security in tunnel.Conventional art includes knot
Structure carbon steel pipe, H steel, baffle plate, reinforcement material (waist rail, WALE), dismounting type anchor pole.This technology is installing facing for Tunnel oral area
When facility, to implementing pipe curtain slip casting around the excavation ceiling that will be excavated, be allowed to excavate after reinforcing, prevent to hole portion
Destruction.Support welding structure carbon steel pipe is utilized on H steel simultaneously, to the closely connected temporary facility of pre- mining position and lining cutting is installed,
Performed since retaining wall (protection wall) forming part to the operation of building by laying bricks or stones outside temporary facility, and directly use natural inclined plane, shape
Into original place base, the effect for passing to the ballast of bottom from top to banket is played, so as to stablize inclined-plane.During for tunnelling
Vibrations of generation etc. influence to cause the situation of the small-scale slump of natural inclined plane, possible constructions carbon steel pipe and baffle plate support, not shape
Into hole inclined-plane, it can be excavated immediately using temporary facility.Said structure typically uses metal material with carbon steel pipe, and its is straight
Footpath is 100mm, and temporary facility is welded on using support.To accomplish to perform pipe curtain slip casting in outside after inclined-plane is closely connected.Above-mentioned dismounting
Type anchor pole, to be installed between H steel need to be closely connected, removes, makes after lining cutting and pipe curtain slip casting are respectively formed inside and outside temporary facility
Temporary facility is separated.It is characterized with above-mentioned, when carrying out the construction of Tunnel oral area using temporary structure, does not form hole portion oblique
Face, can also be excavated under side maintenance natural inclined plane state.But above-mentioned conventional art is, it is necessary to first manufacture by coagulation soil matrix
The hole portion temporary facility that plinth, H steel, baffle plate, waist rail and reinforcing bar are constituted, and engage carbon steel pipe on above-mentioned hole portion temporary facility
After be moved to pre- mining position, therefore cumbersome, elapsed time of constructing.Moreover, first welding carbon steel pipe on hole portion temporary facility
Afterwards, their mobile implementation slip castings, it becomes virtually impossible to drilled and injected with welded still pipe and constructed.Hole portion is additionally, since to face
When facility and carbon steel pipe or dismounting type anchor pole, connected at regular intervals with welded condition, therefore hole portion can not be considered as and set temporarily
Apply mutually integrated with carbon steel pipe or dismounting type anchor pole.Thus, when top ballast bankets, structural instability.
The content of the invention
To solve the above problems, the present invention provides a kind of, with including marking the stage of drill site, steel pipe to be inserted into rock stratum
Stage, the stage of injected foundation, steel pipe rearward extend stage, install steel supporting material stage, the stage of tunneling, and
Steel supporting material and the steel pipe supported by them, are utilized with Tunnel oral structure, thus prevent collapsing for Tunnel oral area ground
Collapse or cave in, the construction of Tunnel oral area becomes safety easily, and need not intercept inclined-plane, prevents the destruction of ground, preserves certainly
Inclined-plane around right environment, stable Tunnel oral area, the straight drilling intercepted without original place base without Strengthening Tunnel hole portion slope
Pipe curtain method for tunnel construction and its structure.The present invention intends offer steel pipe and is inserted into the stage of rock stratum, is drilled with straight bore mode
And the possibility that construction of caving in is not present in steel pipe, therefore sandy soil layer, rock stratum etc. is inserted, it is the straight drill pipe curtain of no original place base interception
Method for tunnel construction and its structure.The present invention intends offer steel pipe and is inserted into the stage of rock stratum, due to steel pipe is inserted into rock stratum, because
The end of this firm supporting steel pipe, it is ensured that the straight drill pipe curtain constructing tunnel intercepted without original place base of security during tunnelling
Method and its structure.The present invention, which intends providing on steel pipe, gets all the binding member ready, while steel pipe and steel pipe are tied up, while insertion steel pipe,
Therefore the mutual bond strength of increase steel pipe, so as to increase the security of tunnel structure, maximizes to ground flabbily section
The straight drill pipe curtain method for tunnel construction intercepted without original place base and its structure of consolidation effect quilt.The present invention intends providing, and is only inserting
Enter and form binding member onto sandy soil layer or the steel pipe of rock stratum part, therefore easily insert steel pipe, the damage of binding member is prevented again
Injure the straight drill pipe curtain method for tunnel construction intercepted without original place base and its structure of destruction.The present invention intends providing in binding member
The inner side of notch portion, forms groove by tunnel row length direction and gets all the drainpipe ready, be easily drained permeable subterranean water etc., effectively exclude
To the straight drill pipe curtain method for tunnel construction intercepted without original place base and its structure of tunnel internal leak.The present invention intends providing installation
Steel pours into a mould gunite concrete after the supporting material stage on the inside of steel pipe, makes steel pipe and steel supporting material integral, thus increases tunnel
Consolidation effect, the successional straight drill pipe curtain method for tunnel construction and its knot intercepted without original place base of optimization tunnelling operation
Structure.The present invention intends providing the stage for implementing to install tunnel portal after the tunnelling stage again, steel pipe covering is exposed outside thereafter
And Foundation Part, earthing come formed ground is compressed while soil layer come ensure slope stability without original place base intercept it is straight
Drill pipe curtain method for tunnel construction and its structure.
Brief description of the drawings
Fig. 1 to Fig. 8 is showing without the straight drill pipe curtain method for tunnel construction that original place base is intercepted according to case study on implementation of the present invention
It is intended to.
Fig. 9 a are by being constructed without the straight drill pipe curtain method for tunnel construction that original place base is intercepted according to case study on implementation of the present invention
Without original place base intercept straight drill pipe curtain tunnel structure oblique view.
Fig. 9 b are the oblique views that the shape that Fig. 9 a steel pipes are mutually tied up by binding member expands display.
Figure 10 a are the sectional views that binding member embodiment is formed on Fig. 9 a steel pipes.
Figure 10 b are that Figure 10 a steel pipe is mutually tied up the sectional view of shape by binding member.
Figure 10 c are that groove is formed on Figure 10 a steel pipe binding member, and the shape for possessing drainpipe on this groove expands
Sectional view.
Figure 11 a are another embodiment sectional views that binding member is formed on Fig. 9 a steel pipes.
Figure 11 b are that Figure 11 a steel pipe is mutually tied up the sectional view of shape by binding member.
Figure 11 c are that groove is formed on Figure 11 a steel pipe binding member, and the shape for possessing drainpipe on this groove expands
Sectional view.
The explanation of reference：
10：Ground
11：Sandy soil layer
13：Incompetent bed
15：Hard formation
20：Drill site
30：Steel pipe
31：Connector
33：Binding member
331：Lug boss
333：Notch portion
334：Groove
335：Drainpipe
40：Slip casting
50：Steel supporting material
60：Gunite concrete
70：Tunnel portal
80：Earthing
Embodiment
Following section Example of the present invention, is described in detail by illustrating drawing.Reference notation is added in each figure component
On number, for same composition element, even if being marked on other drawings, same-sign is also used as far as possible.And in explanation originally
In inventive embodiments, related vacant lot composition or function are illustrated, when being judged as hindering the understanding to the embodiment of the present invention,
Description is omitted.On the component of the explanation embodiment of the present invention, can use the 1st, second, A, B, (a), (b) etc.
Term.These terms are simply distinguished for its component and other components, and its term of unprovoked and by limitation component
Essence or order, order etc..When certain component is recited as with other components " connection " or " with reference to ", its component
It can be directly connected to other components, but also can " connection " or " with reference to " other another components between each component.With
The lower straight drill pipe curtain method for tunnel construction intercepted without original place base and its structure according to case study on implementation of the present invention, with reference to drawing
Describe in detail.In the following description, front from excavation direction before, and behind rear refers to.In addition, outside refers to
Tunnel stretches out direction, and inner side refers to the inside in tunnel.Moreover, ground (10) refers to the original place base entirely without interception state,
But it may also comprise the ground that the states such as sandy soil, dust, leaf, the soft rock of obstruction engineering are removed in part.Referring to figs. 1 to Fig. 8, according to
The straight drill pipe curtain method for tunnel construction intercepted without original place base of case study on implementation of the present invention, includes the rank of mark drill site (20)
Section, steel pipe (30) is inserted into the stage of rock stratum, the rank that the stage of slip casting (40) ground (10), steel pipe (30) rearward extend
Section, stage, the stage of tunneling for installing steel supporting material (50), can both safety, it is rapid and economical, effectively construct.I.e.
Inclined-plane need not be intercepted, the destruction of ground (10) is prevented, inclined-plane around natural environment, stable Tunnel oral area is preserved, without reinforcing
Tunnel portal slope, therefore can effectively construct.Moreover, steel pipe (30) and steel supporting material (50), are used in Tunnel oral structure
In, thus prevent caving in or caving in for Tunnel oral area ground (10), the easy construction tunnel hole portion of safety.Conventional art is not
The ground (10) of Tunnel oral area is intercepted, therefore is undermined (10) and after mounting structure thing, the tunneling for covering tunnel is long
Degree can be elongated.In contrast to this, the present invention is not intercept ground (10), thus can reduce tunneling length, have than conventional art
Profit.And other temporary facility structure etc. is not manufactured, it can be constructed with straight drilling special equipment, operation facilitates rapid.
The stage of mark drill site (20) is the rank for marking drill site (20) with tunnel-shaped on tunnel beginning ground (10)
Section (reference picture 1).This drill site (20) mark can be also omitted as needed.The ground (10) at above-mentioned tunnel beginning, can
Not intercept, but sandy soil, dust, leaf, soft rock for removing obstruction engineering etc. is alternatively, drill site is marked after portion intercepts
(20).Above-mentioned tunnel-shaped means arch shape, semi-circular shape etc., and drill site (20) is marked in whole tunnel.But according to
Need also mark a part, for example, only should be marked in except tunnel lower end, steel pipe (30) then is installed in following stages.Steel pipe (30)
The stage of rock stratum is inserted into, is on the drill site (20) marked in aforementioned stages, to be inserted while drilling with straight bore mode
Steel pipe (30) to rock stratum stage (reference picture 1 and Fig. 2).Above-mentioned straight bore mode, is that drill bit etc. is installed in front of steel pipe (30)
The mode of steel pipe (30) is inserted while to drill.Steel pipe (30) is used as sleeve pipe, and is rotated in front of steel pipe (30)
Mounted drill bit, press-in drill bit rotary cutting steel pipe (30).Because steel pipe (30) is drilled insertion with straight bore mode simultaneously, because
This steel pipe (30) caves in without drilling cave proceeds to sandy soil layer (11) and rock stratum, i.e., incompetent bed (weathered rock formation) (13), hard formation are (quick-fried
Broken rock layer) construction of (15) becomes possible to.The steel pipe (30) inserted with straight bore mode, with the length direction in tunnel fitly,
I.e. nonangular insertion.Now, above-mentioned steel pipe (30) can be connected by row length direction inserts some.For example, can be in steel pipe (30)
Form screw thread etc. to be connected with each other, or its length direction joint steel pipe (30) is pressed using connector (31) etc..Now, due to steel
Managing the long range drilling and insertion of (30) has possibility, therefore, it is possible to carry out Strengthening Tunnel with sufficiently long steel pipe (30), increase
The consolidation effect in tunnel, and because of the insertion operation of steel pipe (30), implemented using shorter steel pipe (30), construction is easy, letter
It is single, rapid.The sandy soil layer (11) of above-mentioned steel pipe (30) insertion ground (10), be inserted into rock stratum, i.e. incompetent bed (13) or
Hard formation (15).The now front end of firm supporting steel pipe (30), thereby, it is ensured that security during tunnelling.I.e. steel pipe (30) leads to
Often rock stratum (15) is inserted into, but be also inserted into incompetent bed (13) as needed.Binding member is got all the ready on above-mentioned steel pipe (30)
(33) when, inserting steel pipe (30), steel pipe (30) and steel pipe (reference picture 9b) are tied up while just can be inserted into.Due in steel pipe (30)
Both sides get all the binding member (33) ready, the bond strength between increase steel pipe (30) can realize the integration of steel pipe (30), thus
Increase the security of tunnel structure, ground (10) consolidation effect of the weak band of maximization.Moreover, first inserting the steel pipe (30) of installation
Binding member (33), can be played and be inserted into steel pipe (30) guide effect thereafter, therefore then readily and stably steel pipe is installed in insertion
(30).Binding member (33) is only being inserted into formation on the steel pipe (30) of sandy soil layer (11) or incompetent bed (13) part.That is, because
It is difficult insertion binding member (33) for hard formation (15), so in steel pipe (30) whole length, can be only inserted into sandy soil layer
Or incompetent bed (13) (11).Now, being easily inserted into needs the part of steel pipe (30), and can prevent from tying as caused by hard formation
The damage and breakage of component (33) are pricked, and on soft foundation, with the effect that steel pipe (30) is mutually firmly tied up can be played.
Above-mentioned binding member (33) both sides respectively withShape (reference picture 10a and Figure 10 b) andShape (reference picture
11a and Figure 11 b) notch portion (333) and the side formation notch portion (333) of lug boss (331), i.e. steel pipe (30) are formed, it is another
Side then forms lug boss (331), other steel pipes (30) of neighbouring steel pipe (30) binding member (33) notch portion (333) is tied up structure
Part (33) lug boss (331), or withShape, or with other various shapes, can be mutually inserted and tie up.Binding member
(33) formedShape andDuring shape, the binding member (33) of steel pipe (30) is inserted at first, its both sides is most
Well all with lug boss (331) formation.Because lug boss (331) is easier insertion ground (10), and nothing than notch portion (333)
Filling in for stone or sandy soil need to be worried.Under lug boss (331) ground (10) state at random, the recess of other steel pipes (30) is inserted
Portion (333), therefore the easily advantage of insertion notch portion (333).Its length side may also be pressed on the inside of above-mentioned binding member (33)
To groove (334) is formed, drainpipe (335) (reference picture 10c and Figure 11 c) is got all the ready in this groove (334).Due to foring groove
(334) drainpipe (335), has been got all the ready, therefore has been easily drained the underground water permeated from tunnel ceiling, effectively can exclude in tunnel
Leak.Above-mentioned groove (334) is by that can not insert adjacent to other steel pipe (30) binding member (33) lug boss (331) size shapes
Into and above-mentioned drainpipe (335) can use the flexible pipe that multiple osculums are formed, or the use of water be to penetrate readily through, but foreign matter
Matter is difficult the netted flexible pipe penetrated.Above-mentioned steel pipe (30) can be constructed according to the condition of ground (10) by a row or two row.I.e. preceding
Mark reinforces the process of drill site in the stage for stating mark drill site (20), in addition on the outside of drill site (20), then
Drill site is reinforced in above-mentioned mark, reinforcing steel pipe is inserted in drilling with straight bore mode.Above-mentioned reinforcing steel pipe can also be inserted
Enter to rock stratum, and possess binding member (33), whole tunnel or part can be arranged on.Slip casting (40) ground (10) stage is to utilize
The steel pipe (30) of aforementioned stages insertion carries out the stage (reference picture 3) of ground (10) slip casting (40).It is i.e. inner in insertion steel pipe (30)
Injection injecting paste material carrys out the stage of slip casting (40) steel pipe (30) and steel pipe (30) surrounding ground (10).Due in this stage, slip casting
Infiltration is integrally formed ground (10) and steel pipe (30) around steel pipe (30), even in following to steel pipe (30) surrounding
Stage is excavated, and can also prevent caving in for ground (10).And the combination of steel pipe (30) and ground (10) is preferably, Neng Gouzeng
The stability of big structure intensity and tunnel structure thing, can also prevent leak.Steel pipe (30) stretch-out phase backward, is above-mentioned steel
Pipe (30) completely or partially extends while ground (10) is prominent backward, the stage for making steel pipe (30) rear end be located on vertical plane
(reference picture 4).When above-mentioned steel pipe (30) extends backward, screw thread or connector (31) are also got all the ready on steel pipe (30) by its length
Direction is connected.Because steel pipe (30) extends backward, without the ground (10) for construction Tunnel oral area.Moreover, above-mentioned prolong backward
Long steel pipe (30) can regard the structure of Tunnel oral area, therefore implement unlike conventional art to prevent collapsing for ground (10)
Collapse or cave in work, can also prevent the ground (10) of Tunnel oral area from caving in or caving in, thus reliably and securely construction tunnel hole
Oral area and tunnel.Moreover, it can also prevent in Tunnel oral area operation way because of the accident of landslide etc..Now consider tunnel portal
The inclination on portion inclined-plane and ground (10) state, can adjust and extend steel pipe (30) length backward.It is located at above-mentioned steel pipe (30) rear end
It is for the installation of following tunnel portals (70) on vertical plane.Therefore above-mentioned vertical plane, can be tilted as needed,
The steel pipe (30) that part is raised can be left.The stage for installing steel supporting material (50) is that steel branch is installed on the inside of above-mentioned steel pipe (30)
Protect the stage (reference picture 5) of material (50).Before above-mentioned installation steel supporting material (50) stage, cast injection is mixed on the inside of steel pipe (30)
Solidifying soil steel pipe (30) to constitute one.After above-mentioned installation steel supporting material (50) stage, cast spray on the inside of steel pipe (30) can be implemented
Penetrate the stage (reference picture 6) that concrete (60) steel pipe (30) and steel supporting material (50) to constitute one.Above-mentioned steel pipe (30) and
Steel supporting material (50) composition one, it is possible to increase the consolidation effect in tunnel, while continuity during the outstanding tunnelling operation of meeting.Dig
The stage in tunnel is dug, is the tunneling stage (reference picture 7) ground (10) on the inside of above-mentioned steel pipe (30), conventionally
Tunneling.After the above-mentioned tunneling stage, the stage (ginseng that tunnel portal (70) is installed in above-mentioned steel pipe (30) rear end may be implemented in
According to Fig. 8).Certainly, this tunnel portal (70), also can be before the above-mentioned tunneling stage, or in the tunneling stage.It is above-mentioned
After tunnel portal (70) erection stage, can earthing (80) (reference picture 8) cover above-mentioned steel pipe (30) and expose outside and ground (10)
A part.Above-mentioned earthing (80) is carried out, the soil layer of Tunnel oral area can be formed, while compressing ground (10) ensures the steady of slope
It is qualitative.In addition, as illustrated in fig. 9, the straight drill pipe curtain tunnel structure intercepted without original place base according to embodiments of the present invention, according to
The above-mentioned straight drill pipe curtain method for tunnel construction construction intercepted without original place base.Detailed description is with reference to above-mentioned content.
In a word, it is exactly each technical essential of the present invention above, although being preferable to carry out above in association with accompanying drawing to the present invention
Example is described, but the invention is not restricted to above-mentioned embodiment, above-mentioned embodiment be only it is schematical and
It is not limited, one of ordinary skill in the art wants under the enlightenment of the present invention without prejudice to present inventive concept and right
On the premise of asking, it can be deduced that a variety of similar enlightenments and accommodation, and corresponding simple change and modification are made, similar to so
Conversion each fall within protection scope of the present invention.
Claims (8)
1. a kind of method for tunnel construction of utilization pipe curtain slip casting, the tunnel of the straight drill pipe curtain especially intercepted without original place base is applied
Work method, it is characterised in that with following step：
A. first stage, i.e. drill site is marked with tunnel-shaped on the ground at tunnel beginning；
B. second stage, i.e. in above-mentioned mark drill site, steel pipe is inserted into rock stratum while drilling with straight bore mode；
C. phase III, i.e. utilize above-mentioned steel pipe injected foundation；
D. fourth stage, i.e. while above-mentioned steel pipe is extended backward and is allowed on ground prominent, makes above-mentioned steel pipe rear end position
In on vertical plane；
E. the 5th stage, i.e. steel supporting material is installed on the inside of above-mentioned steel pipe；
F. the 6th stage, i.e. excavate the ground on the inside of above-mentioned steel pipe to carry out the excavation in above-mentioned tunnel；
The above-mentioned steel pipe supported using above-mentioned steel supporting material and by them, the Tunnel oral structure of formation is above-mentioned for preventing
Caving in or caving in for Tunnel oral area ground, enables above-mentioned Tunnel oral area of safely constructing.
2. construction method according to claim 1, it is characterised in that above-mentioned steel pipe possesses binding member phase in its both sides
Mutually tie up, thus increase the bond strength of above-mentioned steel pipe each other.
3. construction method according to claim 2, it is characterised in that above-mentioned binding member is only inserted into sandy soil in steel pipe
The part of layer or rock stratum is formed.
4. construction method according to claim 3, it is characterised in that in the inner side of above-mentioned binding member notch portion, by length
Spend direction and form groove, there is drainpipe on above-mentioned groove, the underground water of infiltration is thus discharged.
5. construction method according to claim 4, it is characterised in that after above-mentioned steel supporting material erection stage, in addition to it is upper
State the stage of the cast integrated above-mentioned steel pipe of gunite concrete and above-mentioned steel supporting material on the inside of steel pipe.
6. construction method according to claim 5, it is characterised in that after the above-mentioned tunnelling stage, be additionally included in above-mentioned
Steel pipe rear end is installed by the stage of tunnel portal.
7. construction method according to claim 6, it is characterised in that after above-mentioned tunnel portal erection stage, with earthing
Mode covers the part that above-mentioned steel pipe is exposed outside and above-mentioned ground, thus can form above-mentioned Tunnel oral area soil layer, together
When above-mentioned ground is compressed to ensure the stability of slope.
8. construction method according to claim 1, it is characterised in that in the above-mentioned mark drill site stage, be included in above-mentioned
Mark reinforces the process of drill site on the outside of drill site, and above-mentioned steel pipe is inserted into the stage of rock stratum, in addition to mark is reinforced and bored
Hole place, the process of steel pipe is reinforced in insertion while drilling with straight bore mode.
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| KR1020160009180A KR101665515B1 (en) | 2016-01-26 | 2016-01-26 | Direct-boring pipe roof tunnel construction method and structure non-cutting natural ground |
| KR10-2016-0009180 | 2016-01-26 |
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| CN107060803A true CN107060803A (en) | 2017-08-18 |
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| CN110107321A (en) * | 2019-05-08 | 2019-08-09 | 上海隧道工程有限公司 | Fixed support frame frame mounting device and its installation method applied to pipe-roof method |
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| KR101834847B1 (en) * | 2017-03-17 | 2018-03-06 | (주)하경엔지니어링 | Echo-environmental construction method of tunnel portal area using mini pipe-roof |
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| KR101877436B1 (en) * | 2017-07-17 | 2018-07-11 | 우경기술주식회사 | Tunnel construction method for non-cutting natural ground |
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| KR102305424B1 (en) | 2019-08-26 | 2021-09-27 | 유병훈 | Construction meyhod for underground structure by non-excavation using closed section reinforcing member and underground structure therewith |
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| KR102289094B1 (en) | 2021-01-25 | 2021-08-12 | 이평우 | Smart grout system and tunnel reinforcement method using it |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR101665515B1 (en) | 2016-10-24 |
| CN107060803B (en) | 2020-07-03 |
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