CN108119166A - Across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area and tunnel - Google Patents
Across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area and tunnel Download PDFInfo
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- CN108119166A CN108119166A CN201711361528.1A CN201711361528A CN108119166A CN 108119166 A CN108119166 A CN 108119166A CN 201711361528 A CN201711361528 A CN 201711361528A CN 108119166 A CN108119166 A CN 108119166A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 237
- 239000010959 steel Substances 0.000 claims abstract description 237
- 238000005520 cutting process Methods 0.000 claims abstract description 80
- 239000004567 concrete Substances 0.000 claims abstract description 69
- 239000011381 foam concrete Substances 0.000 claims abstract description 10
- 238000005507 spraying Methods 0.000 claims abstract description 9
- 239000011435 rock Substances 0.000 claims description 36
- 230000003014 reinforcing effect Effects 0.000 claims description 31
- 238000003466 welding Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 9
- 230000008439 repair process Effects 0.000 abstract description 3
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
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- 230000008901 benefit Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910001296 Malleable iron Inorganic materials 0.000 description 1
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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
- 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
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/08—Sinking shafts while moving the lining downwards
-
- 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
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention relates to a kind of across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area and tunnels, are related to traffic base construction field.This structure includes preliminary bracing layer, spraying film waterproof and assembly concrete-filled steel tube lining cutting layer and flexible joint；Assembly concrete-filled steel tube lining cutting layer has multiple concrete filled steel tube lining cutting segments, each segment is respectively provided with the first steel pipe sheet set from outside to inside, the second steel pipe sheet and the 3rd steel pipe sheet, it is provided with the first lining cutting layer between first and second steel pipe sheet, second and the 3rd is provided with the second lining cutting layer between steel pipe sheet；First lining cutting layer includes multiple spaced hollow steel tubes and the light foam concrete for filling gap, and the second lining cutting layer includes high-compressibility concrete；It is connected between lining cutting segment with steel plate spring type flexible joint.It can guarantee in the changing of the relative positions and macroseism lower structure stabilization, possess Fast Installation and replaceable, quick repair function；Structure has fully considered Rigidity Matching principle, and " drawing shake " is combined in multiple measure.
Description
Technical field
The present invention relates to traffic base construction field, in particular to a kind of across the large-scale activity fracture belt tunnel in meizoseismal area
Road prefbricated tunnel lining structure and tunnel.
Background technology
Tunnel Engineering is typically considered the superior engineering structure of anti-seismic performance, but is shaken from worldwide engineering structure
From the point of view of evil situation, under the conditions of macroseism, Tunnel Engineering earthquake is still more apparent.Infrastructure climax is in the ascendant, passes through work
Dynamic fault region structure design of tunnel method, structure adaptability are that one of high intensity Zone Tunnel Engineering construction is domestic and international
It is difficult to the major issue avoided.For example, being in 1629 kilometers of the Sichuan-Tibet railway overall length in survey and design stage, bridge tunnel ratio is up to
42.5%, only Sichuan-Tibet railway just will be travelling through a plurality of active fault or fracture belt.It is horizontal that malleable iron road in the Kenya undertaken the construction of is built in middle diplomatic relations
Across famous East African Rift Valley east branch, and the East African Rift Valley is active breaking belt maximum on world land；Hair is moved towards along rift valley
Educate substantial amounts of normal fault (mature fault is long, and width is big, and spacing is close, more active), a plurality of tunnel spanning active fault position of design
Mistake amount all reaches more than 0.9m.
It makes a general survey of and resists disconnected Measure Design that can return by the Tunnel Engineering design experiences and Tunnel Engineering of active fault both at home and abroad
It receives to backbreak design, " hinged " design and isolate consumption that three categories can be designed.However, existing design concept and shock resisting measure
Under have the defects of certain, the tunnel designed and constructed under comprehensive various facilities and theory still generates larger earthquake under macroseism.
The content of the invention
The present invention is based on the comprehensive design theories that shake is drawn in country rock antidetonation, tunnel structure damping, multiple measure, promote existing set
Meter theory；Weaken from Passive Defence to active, then reach structure-controllable to damage guiding.Be designed to provide a kind of meizoseismal area across
Large-scale activity fracture belt tunnel prefbricated tunnel lining structure, across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure energy in this meizoseismal area
It enough can effectively decrease or even eliminate the displacement difference of wall rock grouting reinforcing layer and liner structure under strong motion；Steel plate spring type is flexible
Connector design realizes that matching fault movement displacement and seismic displacement are poor based on change steel plate density is acted on by external force；Institute
Design structure can guarantee the stability under the changing of the relative positions and macroseism, be provided simultaneously with Fast Installation and function that is replaceable, quickly repairing；
Structure has fully considered the principle of Rigidity Matching, and multiple measure, which is combined, draws shake.Another object of the present invention is to provide a kind of tunnel
Road structure, including above-mentioned across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area, this tunnel structure can guarantee
Safety and stability under the changing of the relative positions and macroseism is provided simultaneously with Fast Installation and function that is replaceable, quickly repairing；Structure has fully been considered just
Spend matched principle, multiple measure joint " drawing " shake.
What the present invention was realized in：
A kind of across large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area, including：It sets gradually from outside to inside
Wall rock grouting reinforcing layer, preliminary bracing layer, spraying film waterproof and assembly concrete-filled steel tube lining cutting layer；
Assembly concrete-filled steel tube lining cutting layer has along the longitudinal sequentially connected multiple concrete filled steel tube lining cutting segments in tunnel,
Each concrete filled steel tube lining cutting segment is respectively provided with the first steel pipe sheet set gradually from outside to inside, the second steel pipe sheet and the 3rd steel
Section of jurisdiction is provided with the first lining cutting layer, is set between the second steel pipe sheet and the 3rd steel pipe sheet between the first steel pipe sheet and the second steel pipe sheet
It is equipped with the second lining cutting layer；
First lining cutting layer includes multiple spaced hollow steel tubes and for filling two neighboring hollow steel tube, first
The light foam concrete in the gap between steel pipe sheet and the second steel pipe sheet, between the second steel pipe sheet and the 3rd steel pipe sheet
Two lining cutting layers include high-compressibility concrete.
Further, in presently preferred embodiments of the present invention, the outer wall both ends of multiple hollow steel tubes respectively with the first steel pipe sheet
And second steel pipe sheet welding.Further, in presently preferred embodiments of the present invention, adopted between adjacent concrete filled steel tube lining cutting segment
It is connected with flexible joint.Further, in presently preferred embodiments of the present invention, flexible joint is steel plate spring type connector, steel ripple
Any one of plate or die cast steel plate.Further, in presently preferred embodiments of the present invention, steel plate spring type connector includes edge
Tunnel lateral direction mutually connected the first steel plate, the second steel plate and the 3rd steel plate, the first steel plate, the second steel plate and the 3rd steel plate
Three-core circle formula is bent to different curvature in the transverse direction in tunnel, and the first steel plate, the second steel plate and the 3rd steel plate are along tunnel
The longitudinal direction in road carries out spring bending on the basis of the thickness of assembly concrete-filled steel tube lining cutting layer.
Further, in presently preferred embodiments of the present invention, the both ends of steel plate spring type connector position corresponding with being anchored at respectively
The steel plate welding of outer end in the concrete filled steel tube lining cutting segment put.Further, in presently preferred embodiments of the present invention, country rock note
Slurry reinforcing layer be the country rock of fault belt or bad geological section using the grouting reinforcement rock formed after grouting and reinforcing, preferably
Ground, wall rock grouting reinforcing layer have multiple spaced reinforcing anchor poles.Further, in presently preferred embodiments of the present invention, the
The outer wall of one steel pipe sheet sets the edge of a wing of putting more energy at the arch springing and spandrel in the tunnel of correspondence position.
Further, in presently preferred embodiments of the present invention, the outer wall of the first steel pipe sheet is provided with wedge mouth, the edge of a wing and the of putting more energy into
The connecting pin of one steel pipe sheet is fixedly connected with the chock with the cooperation of wedge mouth.A kind of tunnel, it is living across large size including above-mentioned meizoseismal area
Dynamic fracture belt tunnel prefbricated tunnel lining structure
The advantageous effect that the present invention realizes：
The present invention provides a kind of across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area and tunnels, provide
Across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area include set gradually from outside to inside wall rock grouting reinforcing layer,
Preliminary bracing layer, spraying film waterproof and assembly concrete-filled steel tube lining cutting layer.
Wherein, assembly concrete-filled steel tube lining cutting layer has along tunnel longitudinally sequentially connected multiple concrete filled steel tube lining cutting
Segment, each concrete filled steel tube lining cutting segment be respectively provided with the first steel pipe sheet set gradually from outside to inside, the second steel pipe sheet and
3rd steel pipe sheet is provided with the first lining cutting layer, the second steel pipe sheet and the 3rd steel pipe sheet between the first steel pipe sheet and the second steel pipe sheet
Between be provided with the second lining cutting layer.On the one hand the form design that the lining of assembled two presss from both sides two layers using three steel pipe sheets can guide steel pipe
Deformation is to cut down the strong of wall rock grouting reinforcing layer and liner structure under severe earthquake action under severe earthquake action or under fault movement effect
On the other hand displacement difference processed can ensure in liner structure in the changing of the relative positions and the stability of macroseism lower structure, ensure that life channel is smooth
It is logical.
Also, close one layer of first branch side setting specifically is served as a contrast along tunnel longitudinal direction using in assembly concrete-filled steel tube two
Empty steel pipe, the mode filled with light foam concrete between steel pipe so that the foam concrete under fault movement or strong earthquake motion
Conquassation, steel pipe are radially deformed, so as to offset the displacement difference of wall rock grouting reinforcing layer and lining cutting.Meanwhile the second layer is set to assemble
Formula diameter hollow concrete filled steel tube lining cutting.Steel pipe is welded by the inside and outside piecemeal steel plate of different curvature by ribbed stiffener, is mixed
Solidifying soil is using high-compressibility, high fluidity self-compacting concrete.Structure presses different section shapes by factory by relevant design requirement
Formula and curvature carry out prefabricated, Assembling.It ensure that the rigidity of liner structure, while under fault movement and strong motion, high pressure
Contracting concrete is poor prior to being crushed energy dissipating and elimination partial dislocation before steel pipe yield point.
In conclusion the present invention (design concept of " allowing " is a kind of form drawn) under " anti-to subtract-draw " guidance, carries
Go out to draw with country rock antidetonation, tunnel structure damping, multiple measure the comprehensive design theory of shake.The theory of " anti-" is to take measures to add
Strong lining cutting increase rigidity, resists the changing of the relative positions and geological process power.The theory of " subtract or every " is on the periphery of tunnel-liner and stratum
Between (or just between branch and two linings) buffer layer (certain energy-absorbing material) is set, original liner structure Surrounding Rock System is made to become lining cutting
Buffer layer Surrounding Rock System, by lining cutting and surrounding rocks separate to reduce and change earthquake, the changing of the relative positions to the action intensity of structure and
Mode.The theory of " allowing " is that structure can generate controllable deforming under fault movement and the preset structure of strong motion lower edge
(such as can contracting formula steelframe, cellular coupling).The theory of " drawing " is do not weakening the premise of liner structure rigidity or reinforcement
Under, being filled in using the flexible structure of mutability (such as cellular hollow steel tube) between two linings and just branch is applied to country rock pressure
Differential displacement in structure is cut down by the active deformation of this part-structure；Lining cutting cuts down the basis of liner structure certainly in longitudinal divisions
It by deforming, is attached (steel plate type spring joint) using active deformation connector between segment, adjunction head in segment is to meet in mistake
Differential displacement under dynamic and strong motion；Position (connector, filling of the guide structure under fault movement or strong motion under displacement flexibility
Flexible structure) it destroys and achievees the purpose that protect liner structure and headroom；The structure for meeting destruction is needed to be readily able to replace simultaneously
Reach design, construction, operation, the integrated purpose of reparation with reparation.
Across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in this meizoseismal area can effectively decrease or even eliminate country rock
The displacement difference of grouting and reinforcing layer and liner structure；Steel plate spring type flexible joint design can be acted on lower change steel plate by external force and be dredged
Density is poor to realize matching fault movement displacement and seismic displacement；Designed structure can guarantee that safety is steady under the changing of the relative positions and macroseism
It is fixed, it is provided simultaneously with Fast Installation and function that is replaceable, quickly repairing；Structure has fully considered the principle of Rigidity Matching, multiple
Measure, which is combined, draws shake.
The tunnel of offer, including above-mentioned across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area, this tunnel
It can guarantee in the changing of the relative positions and macroseism lower structure stabilization, be provided simultaneously with Fast Installation and function that is replaceable, quickly repairing；Structure is abundant
The principle of Rigidity Matching is considered, multiple measure, which is combined, draws shake.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the disconnected of across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area that the embodiment of the present invention provides
Face schematic diagram；
Fig. 2 is the enlarged diagram of the local I of Fig. 1 of the present invention；
Fig. 3 is cuing open for across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area that the embodiment of the present invention provides
Face structure diagram；
Fig. 4 is the half-section diagram for the assembly concrete-filled steel tube lining cutting layer that the embodiment of the present invention provides；
Fig. 5 is applied to the structure diagram across active fault for the meizoseismal area liner structure that the embodiment of the present invention provides；
Fig. 6 is the edge of a wing assembling schematic diagram of putting more energy into that the embodiment of the present invention provides；
Fig. 7 is the structure diagram for the steel plate spring type connector that the embodiment of the present invention provides；
Fig. 8 is that the leaf spring connector abatement wrong (shake) that the embodiment of the present invention provides moves displacement diagram；
Fig. 9 is the steel plate spring type connector tension and compression deformation schematic diagram that the embodiment of the present invention provides；
Figure 10 is that the steel plate spring type connector that the embodiment of the present invention provides is cut deformation schematic diagram；
Figure 11 is the steel plate spring type connector that provides of the embodiment of the present invention by twisting strain schematic diagram；
Figure 12 is the steel plate spring type connector bending deformation schematic diagram that the embodiment of the present invention provides.
Icon：Across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in 100- meizoseismal areas；101- wall rock groutings are reinforced
Layer；103- preliminary bracing layers；105- spraying film waterproofs；107- assembly concrete-filled steel tube lining cutting layers；109- concrete filled steel tubes serve as a contrast
Build segment；The first steel pipe sheets of 111-；The second steel pipe sheets of 113-；The 3rd steel pipe sheets of 115-；117- the first lining cutting layers；119- second
Lining cutting layer；121- hollow steel tubes；123- light foam concretes；125- high-compressibility concrete；127- steel plate spring types connect
Head；The first steel plates of 129-；The second steel plates of 131-；The 3rd steel plates of 133-；135- puts more energy into the edge of a wing；137- wedge mouths；139- chocks.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.The present invention implementation being usually described and illustrated herein in the accompanying drawings
The component of example can configure to arrange and design with a variety of.Therefore, below to provide in the accompanying drawings the present invention reality
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, belongs to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
, it is necessary to explanation in the description of the embodiment of the present invention, term " " center ", " on ", " under ", "left", "right",
The orientation or position relationship of the instructions such as " vertical ", " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship,
Either the invention product using when the orientation usually put or position relationship, be for only for ease of the description present invention and simplification retouched
It states rather than indicates or imply signified device or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and
It is not intended that instruction or hint relative importance.
In the description of the embodiment of the present invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term
" setting ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or detachably connecting
It connects or is integrally connected；Can be mechanical connection or electrical connection；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be on or below second feature
Contacted directly including the first and second features, can also include the first and second features not be contact directly but by them it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above to include fisrt feature special second
Directly over sign and oblique upper is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature it
Under, lower section and fisrt feature included below immediately below second feature and obliquely downward or be merely representative of fisrt feature level height
Less than second feature.
Refering to Fig. 1 to Figure 12, a kind of across the large-scale activity fracture belt tunnel prefbricated tunnel lining in meizoseismal area is present embodiments provided
Structure 100, the wall rock grouting reinforcing layer 101 set gradually from outside to inside, preliminary bracing layer 103, spraying film waterproof 105 and
Assembly concrete-filled steel tube lining cutting layer 107.
Wherein, preliminary bracing layer 103 uses shotcrete lining, and thickness is with country rock grouting and reinforcing layer 101 after slip casting
Rigidity progressively serves as a contrast transition principles to determine to first branch transition, first branch to two.
In the present embodiment, please refer to Fig.1 to Fig. 5, assembly concrete-filled steel tube lining cutting layer 107 has along tunnel longitudinal direction
Sequentially connected multiple concrete filled steel tube lining cutting segments 109, each concrete filled steel tube lining cutting segment 109 be respectively provided with from outside to inside according to
The first steel pipe sheet 111, the second steel pipe sheet 113 and the 3rd steel pipe sheet 115 of secondary setting, the first steel pipe sheet 111 and the second steel pipe
The first lining cutting layer 117 is provided between piece 113, the second lining cutting is provided between the second steel pipe sheet 113 and the 3rd steel pipe sheet 115
Layer 119.Assembled two lining using three steel pipe sheets press from both sides two layers form design on the one hand can guide steel pipe under severe earthquake action or
The lower deformation of fault movement effect is poor to cut down wall rock grouting reinforcing layer 101 and the forced displacement of liner structure under severe earthquake action, separately
On the one hand it can ensure cave under the changing of the relative positions and macroseism in liner structure, ensure that life channel is unimpeded.
Wherein, 107 integral thickness of assembly concrete-filled steel tube lining cutting layer is set to 30cm, and close to spraying film waterproof 105
One side the first lining cutting layer 117 thickness for 10cm, the second lining cutting layer 119 of the second layer away from spraying film waterproof 105
Thickness is 20cm, and steel pipe uses different curvature according to different liner structure form of fracture.Certainly, in other implementations of the present invention
In example, the thickness of assembly concrete-filled steel tube lining cutting layer 107, the first lining cutting layer 117 and the second lining cutting layer 119 can also basis
Demand makes choice, and the present invention does not limit.
Also, burst, sectional making and then the form assembled may be employed in total, passes through welding and tenon between each
Two kinds of combinations are connect to be attached.
In detail, the first lining cutting layer 117 includes multiple spaced hollow steel tubes 121 and two neighboring for filling
The light foam concrete 123 in the gap between hollow steel tube 121, the first steel pipe sheet 111 and the second steel pipe sheet 113, second
Lining cutting layer 119 includes high-compressibility concrete 125.One layer of edge is set close to first branch side using being served as a contrast in assembly concrete-filled steel tube two
The hollow steel tube 121 of tunnel longitudinal direction, the mode filled with light foam concrete 123 between steel pipe so that in fault movement or strong
Foam concrete conquassation, steel pipe are radially deformed under earthquake motion, so as to offset the displacement of wall rock grouting reinforcing layer 101 and lining cutting
Difference.Meanwhile 121 concrete lining of second layer assembled diameter hollow steel pipe is set.Steel pipe by different curvature inside and outside piecemeal
Steel plate is welded by ribbed stiffener, and concrete is using high-compressibility, high fluidity self-compacting concrete.Structure presses phase by factory
It closes design requirement and carries out prefabricated, Assembling by different form of fracture and curvature.It ensure that the rigidity of liner structure, while
Under fault movement and strong motion, high-compressibility concrete 125 is poor prior to being crushed energy dissipating and elimination partial dislocation before steel pipe yield point.
Wherein, high-compressibility concrete 125 can be used in the side that place is prefabricated and then is molded and then assembles by block placement
Formula.Secondary lining leans on the first layer minor diameter hollow steel tube 121 of primary branch sheath side to use loopful arranged for interval, is used in outer masterpiece
Lower steel pipe is deformed being that concrete filled steel tube liner structure obtains deformation displacement to offset 101 He of wall rock grouting reinforcing layer
The asynchronous displacement difference of lining cutting reduces the damage of two lining structures.
As preferred scheme, the outer wall both ends of multiple hollow steel tubes 121 respectively with the first steel pipe sheet 111 and the second steel
It welds section of jurisdiction 113.Certainly, in other embodiments of the invention, 121 and first steel pipe sheet 111 of hollow steel tube and the second steel
The connection method of section of jurisdiction 113 can also make choice according to demand, be not limited in welding, and the present invention does not limit.
As preferred scheme, referring to Fig. 6, the outer wall of the first steel pipe sheet 111 the tunnel of correspondence position arch springing and
The edge of a wing 135 of putting more energy into is set at spandrel.The edge of a wing 135 of putting more energy into can be effectively prevented concrete filled steel tube lining cutting and be generated by twisting action
Larger destruction.The outer wall of first steel pipe sheet 111 is provided with wedge mouth 137, the connection for 135 and first steel pipe sheet 111 of the edge of a wing of putting more energy into
End is fixedly connected with the chock 139 coordinated with wedge mouth 137.Put more energy into the edge of a wing 135 be produced on by steel plate perform preliminary bracing when
Time is welded on end on the bow member of preliminary bracing and is connected with concrete filled steel tube outer layer pipe wedge mouth 137.
In the present embodiment, please refer to Fig.1 to Fig. 5 and Fig. 7 to Figure 12, adjacent concrete filled steel tube lining cutting segment 109 it
Between using flexible joint connect.Flexible joint design can act on lower change steel plate space density to realize that matching is disconnected by external force
Layer alternate displacement and seismic displacement are poor.
As preferred scheme, please refer to Fig.1 to Fig. 5 and Fig. 7 to Fig. 8, flexible joint can connect for steel plate spring type
First 127.Also, refering to the deformation schematic diagram of Fig. 9 to Figure 12, between lining cutting segment using steel plate compression camber of spring connector (
Can be combined and be formed by connecting with customization corrugated steel), pass through change " spring ring " plate joint in all directions after ensureing stress
Density variable displacement displacement flexibility is realized as shown in schematic diagram 9 to schematic diagram 12, guide structure generates controllable in joint
Displacement and deformation mitigate the influence that the changing of the relative positions and vibrations are brought.No matter the fault form of bad geological section, no matter also earthquake motion
How is lower contact stress form, which can realize that different displacements is fitted by changing the density of steel plate " spring "
Should, achieve the purpose that real " drawing ".It should be noted that in an embodiment of the present invention, the shown content of Fig. 9 to Figure 12,
The only schematic diagram of flexible deformation, not acute pyogenic infection of finger tip concrete shape.
Wherein, refering to Fig. 7, steel plate spring type connector 127 is included along the first mutually connected steel plate 129 of tunnel lateral direction, the
Two steel plates 131 and the 3rd steel plate 133, the first steel plate 129, the second steel plate 131 and the 3rd steel plate 133 are in the transverse direction in tunnel
Three-core circle formula, and the first steel plate 129, the second steel plate 131 and the 3rd steel plate 133 indulging along tunnel are bent to different curvature
To the progress spring bending on the basis of the thickness of assembly concrete-filled steel tube lining cutting layer 107.Meanwhile pass through between each steel plate block
It welds or is bolted.
Wherein, refering to schematic diagram Fig. 9 to schematic diagram 12, under different stress conditions, steel plate spring type connector 127 can be with
Free displacement is realized by changing the density of connector this body structure, can accomplish flexible purpose, no matter suitable for tomography
The changing of the relative positions or the various situations of strong motion.
As preferred scheme, the both ends of steel plate spring type connector 127 are respectively with being anchored at the steel tube concrete of correspondence position
The steel plate welding of native lining cutting segment 109.Certainly, in other embodiments of the invention, connection mode can also according to demand into
Row selection, the present invention do not limit.
It should be noted that in other embodiments of the invention, flexible joint can also be that steel corrugated plating is either pressed
The steel plate of type casting moulding.The specific standards of bellows are referring to clod wash corrugated steel tube exposure draft.The present invention repeats no more.
Explanation is needed further exist for, referring to Fig. 5, the meizoseismal area that the embodiment of the present invention provides is across large-scale activity
Prefbricated tunnel lining structure 100 primary condition in fracture belt tunnel is to be set for bad geological section tunnel particularly across active fault tunnel
Meter.Common 101 sections of tunnel-liners of wall rock grouting reinforcing layer can also be applicable under the guidance of " drawing " and " displacement is flexible " thinking.It should
Structure design is digged without tunnel, and concrete filled steel tube used has water proofing property in itself, and waterproof measure is required to reduce.Connector
And there is piecemeal assembling, piecemeal to remove and easily repair characteristic for lining cutting segment, considerably increase the practicability and applicability of the structure.
Meanwhile bad geological section tunnel assembled steel tube liner structure in meizoseismal area is based on concrete filled steel tube lining cutting segment 109
It is formed with 127 two parts of steel plate spring type connector.No matter it is dredged under the compages under fault movement and strong motion by connector
The realizations guiding deformation such as variable density, the deformation of hollow minor-diameter steel-tube, the conquassation of concrete filled steel tube mesohigh contracting concrete 125,
Mitigate structure extent of the destruction.The tubing of concrete filled steel tube and connector spring metal are using memory on the premise of economic benefit allows
Alloy is made, and can increase malformation ability using the pseudoelastic properties of memorial alloy, while the later stage is only needed to knot
It is that can reach the purpose of reparation that structure, which carries out conductive heater,.
Also, when the later stage repairs concrete filled steel tube lining cutting segment 109, outer layer minor diameter hollow steel tube 121 is crushed
Afterwards without any processing；The cutting after song of bursting of inner layer steel pipe concrete steel pipe cuts the part of gross distortion and then for being welded with steel plate
Type is connected into, not serious use beats molding method recovery；The very serious method that cutting is taken to replace respective masses.To steel
When flat spring formula connector 127 is repaired, cutting rejecting is carried out to gross distortion section, welds spare connector；For slighter section
It is restored using hydraulic top.Such as according to memorial alloy corrugated steel butt joint is only needed to carry out electrified regulation.
In the present embodiment, wall rock grouting reinforcing layer 101 is that fault belt wall rock grouting reinforcing layer 101 is added using slip casting
The grouting reinforcement rock grouting and reinforcing layer 101 formed after Gu, it is preferable that wall rock grouting reinforcing layer 101 has multiple interval settings
Reinforcing anchor pole.
The present embodiment additionally provides a kind of tunnel, including above-mentioned across the large-scale activity fracture belt tunnel assembled lining in meizoseismal area
Build structure 100.
The meizoseismal area liner structure of the embodiment of the present invention offer and the working principle and beneficial effect in tunnel are：
Across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure 100 in meizoseismal area of offer includes setting gradually from outside to inside
Wall rock grouting reinforcing layer 101, preliminary bracing layer 103, spraying film waterproof 105 and assembly concrete-filled steel tube lining cutting layer 107.
Wherein, assembly concrete-filled steel tube lining cutting layer 107 has along the longitudinal sequentially connected multiple concrete filled steel tubes in tunnel
Lining cutting segment 109, each concrete filled steel tube lining cutting segment 109 are respectively provided with the first steel pipe sheet 111 set gradually from outside to inside,
Two steel pipe sheets 113 and the 3rd steel pipe sheet 115 are provided with the first lining cutting layer between first steel pipe sheet 111 and the second steel pipe sheet 113
117, it is provided with the second lining cutting layer 119 between the second steel pipe sheet 113 and the 3rd steel pipe sheet 115.The lining of assembled two is using three steel pipes
Piece press from both sides two layers of form design on the one hand can guide steel pipe under severe earthquake action or fault movement effect under deformation it is strong to cut down
The lower wall rock grouting reinforcing layer 101 of shake effect is poor with the forced displacement of liner structure, on the other hand can ensure to exist in liner structure
It will not cave under the changing of the relative positions and macroseism, ensure that life channel is unimpeded.
Also, close one layer of first branch side setting specifically is served as a contrast along tunnel longitudinal direction using in assembly concrete-filled steel tube two
Empty steel pipe 121, the mode filled with light foam concrete 123 between steel pipe so that the foam under fault movement or strong earthquake motion
Concrete conquassation, steel pipe are radially deformed, so as to offset the displacement difference of wall rock grouting reinforcing layer 101 and lining cutting.Meanwhile set the
Two layers of 121 concrete lining of assembled diameter hollow steel pipe.Steel pipe passes through ribbed stiffener by the inside and outside piecemeal steel plate of different curvature
It is welded, concrete is using high-compressibility, high fluidity self-compacting concrete.Structure is by factory by relevant design requirement by not
Same form of fracture and curvature carry out prefabricated, Assembling.It ensure that the rigidity of liner structure, while in fault movement and macroseism
Under dynamic, high-compressibility concrete 125 is poor prior to being crushed energy dissipating and elimination partial dislocation before steel pipe yield point.
In conclusion this meizoseismal area bad geological section tunnel assembled steel tube liner structure is brand-new based on " anti-to subtract-draw "
Compages design under design concept.1) comprehensive measures and the design concept guide structure under fault movement and strong motion
It is destroyed at connector and hollow steel tube 121 and pipe inner concrete, structure caused by offsetting unfavorable displacement is destroyed；Ensure to go out
The situation that existing wall rock grouting reinforcing layer 101 caves in, ensures that life channel is unimpeded.2) each component can be achieved to be factory produced, existing
Field installation, ensure that architecture quality and production efficiency.3) this structure has the characteristic that piecemeal reparation is removed in piecemeal installation, piecemeal,
The characteristics of reclamation activities is convenient, repairing effect is good.4) need not be digged, structure carries waterproof in itself, and tunnel water proofing is arranged
It applies and requires to reduce.5) this structure design can be effectively applied in across active fault structure design of tunnel and construction, fill up state
Inside and outside blank.6) " anti-to subtract-draw " brand new ideas proposed is that related specifications are carried out comprehensively to improve and supplement.
The tunnel of offer, including above-mentioned across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure 100 in meizoseismal area, this tunnel
Road can guarantee in the changing of the relative positions and macroseism lower structure stabilization, be provided simultaneously with Fast Installation and function that is replaceable, quickly repairing；Structure is filled
Divide the principle for having considered Rigidity Matching, multiple measure, which is combined, draws shake.
Claims (10)
1. a kind of across large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area, which is characterized in that including：From outside to inside according to
Wall rock grouting reinforcing layer, preliminary bracing layer, spraying film waterproof and the assembly concrete-filled steel tube lining cutting layer of secondary setting；
The assembly concrete-filled steel tube lining cutting layer has along the longitudinal sequentially connected multiple concrete filled steel tube lining cutting segments in tunnel,
Each concrete filled steel tube lining cutting segment is respectively provided with the first steel pipe sheet set gradually from outside to inside, the second steel pipe sheet and the
Three steel pipe sheets, are provided with the first lining cutting layer between first steel pipe sheet and second steel pipe sheet, second steel pipe sheet with
The second lining cutting layer is provided between 3rd steel pipe sheet；
The first lining cutting layer include multiple spaced hollow steel tubes and for fill the two neighboring hollow steel tube,
The light foam concrete in the gap between first steel pipe sheet and second steel pipe sheet, second steel pipe sheet and institute
The the second lining cutting layer stated between the 3rd steel pipe sheet includes high-compressibility concrete.
2. across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area according to claim 1, which is characterized in that
It is welded respectively with first steel pipe sheet and second steel pipe sheet at the outer wall both ends of multiple hollow steel tubes.
3. across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area according to claim 1, which is characterized in that
It is connected between the adjacent concrete filled steel tube lining cutting segment using flexible joint.
4. across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area according to claim 3, which is characterized in that
The flexible joint is any one of steel plate spring type connector, steel corrugated plating or die cast steel plate.
5. across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area according to claim 4, which is characterized in that
The steel plate spring type connector is included along the tunnel lateral direction mutually connected the first steel plate, the second steel plate and the 3rd steel plate,
First steel plate, second steel plate and the 3rd steel plate bend to three in the transverse direction in the tunnel with different curvature
Heart circle formula, and first steel plate, second steel plate and the 3rd steel plate along the tunnel longitudinal direction with the dress
Spring bending is carried out on the basis of thickness with formula concrete filled steel tube lining cutting layer.
6. across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area according to claim 5, which is characterized in that
The both ends of the steel plate spring type connector outer end with being anchored in the concrete filled steel tube lining cutting segment of correspondence position respectively
Steel plate welding.
7. across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area according to claim 1, which is characterized in that
The wall rock grouting reinforcing layer is the country rock of fault belt or bad geological section using the grouting and reinforcing formed after grouting and reinforcing
Country rock, it is preferable that the wall rock grouting reinforcing layer has multiple spaced reinforcing anchor poles.
8. across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area according to claim 1, which is characterized in that
The outer wall of first steel pipe sheet sets the edge of a wing of putting more energy at the arch springing and spandrel in the tunnel of correspondence position.
9. across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area according to claim 8, which is characterized in that
The outer wall of first steel pipe sheet is provided with wedge mouth, described to put more energy into the edge of a wing and the connecting pin of first steel pipe sheet is fixedly connected with
With the chock of wedge mouth cooperation.
10. a kind of tunnel, which is characterized in that break including meizoseismal area as claimed in any one of claims 1 to 9 wherein across large-scale activity
Split band tunnel prefbricated tunnel lining structure.
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| CN201711361528.1A CN108119166B (en) | 2017-12-15 | 2017-12-15 | Across the large-scale activity fracture belt tunnel prefbricated tunnel lining structure in meizoseismal area and tunnel |
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| CN113982630B (en) * | 2021-10-29 | 2024-04-05 | 成都未来智隧科技有限公司 | Tunnel supporting structure |
| CN113982630A (en) * | 2021-10-29 | 2022-01-28 | 成都未来智隧科技有限公司 | Tunnel supporting structure |
| CN116771389B (en) * | 2023-08-17 | 2023-12-15 | 中铁五局集团第一工程有限责任公司 | Full-ring lining device for traffic tunnel and construction method |
| CN116771389A (en) * | 2023-08-17 | 2023-09-19 | 中铁五局集团第一工程有限责任公司 | Full-ring lining device for traffic tunnel and construction method |
| CN118208268A (en) * | 2024-05-17 | 2024-06-18 | 太原理工大学 | Heat-conducting fault tunnel heat-insulating shock-absorbing supporting structure |
| CN118208268B (en) * | 2024-05-17 | 2024-07-12 | 太原理工大学 | Heat-conducting fault tunnel heat-insulating shock-absorbing supporting structure |
| CN118391053A (en) * | 2024-06-28 | 2024-07-26 | 深圳大学 | Tunnel thermal shock hazard integrated control system and method |
| CN118462253A (en) * | 2024-07-15 | 2024-08-09 | 湖南科技大学 | Tunnel steel arch supporting structure and pressure yielding control method thereof |
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| CN108119166B (en) | 2019-08-23 |
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