CN108119164A - A kind of prefabricated assembled composite supporting construction - Google Patents
A kind of prefabricated assembled composite supporting construction Download PDFInfo
- Publication number
- CN108119164A CN108119164A CN201810066397.2A CN201810066397A CN108119164A CN 108119164 A CN108119164 A CN 108119164A CN 201810066397 A CN201810066397 A CN 201810066397A CN 108119164 A CN108119164 A CN 108119164A
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- reinforced concrete
- supporting construction
- concrete member
- groove
- shaped steel
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- 238000010276 construction Methods 0.000 title claims abstract description 69
- 239000002131 composite material Substances 0.000 title claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 73
- 239000010959 steel Substances 0.000 claims abstract description 73
- 239000004567 concrete Substances 0.000 claims abstract description 17
- 239000011150 reinforced concrete Substances 0.000 claims description 44
- 239000011435 rock Substances 0.000 claims description 25
- 239000002023 wood Substances 0.000 claims description 25
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 2
- 239000011178 precast concrete Substances 0.000 abstract 1
- 125000002950 monocyclic group Chemical group 0.000 description 16
- 238000009434 installation Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 241000309551 Arthraxon hispidus Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 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
- 230000006378 damage Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- 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
- E21D11/08—Lining with building materials with preformed concrete slabs
- E21D11/083—Methods or devices for joining adjacent concrete segments
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
Landscapes
- 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)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The present invention relates to a kind of prefabricated assembled supporting construction bodies, it is applied in the supporting in lane (tunnel) road, the structure is precast concrete, multiple concrete components are circumferentially the assembled structure being integrated around the passage, each concrete component is axial assembled with another concrete component along the passage, shaped steel is installed in the structure, which uses consistent specification, is made convenient for mass.Simple in structure, splicing is convenient, improves the stress condition of shape steel bracket, avoids the generation of the unfavorable conditions such as stress concentration, unbalance loading, gives full play to rack bearing ability.
Description
Technical field
The present invention relates to roadway support fields, and in particular to a kind of prefabricated assembled composite supporting construction.
Background technology
At present, the main support technology in Deep Soft Rock tunnel has：Bolt-mesh-spurting supporting series technique, shape steel bracket supporting series skill
Art, reinforced concrete structure supporting series technique and steel pipe concrete bracket support technology etc..
With the increase of tunnel buried depth, the routine supporting means such as simple anchor shaft anchor cable cannot meet Drift stability
Demand, under powerful roadway surrounding rock pressure effect, tunnel needs not the composite supporting construction body that Bolt net and jet and stent are formed
Disconnected to reprocess, Deformation in Soft Rock Tunnel seriously even destroys.
Steel pipe concrete bracket also achieves good supporting although with high-strength bearing capacity among engineering practice
Effect, but its higher cost restricts its popularization and application always.
U-shaped steel stent participate in combined supporting, be solve the soft broken wall rock laneway support problem of high pressure important channel it
One.U-shaped steel stent is of low cost and with larger bearing capacity.But due to roadway surrounding rock concave-convex surface among engineering practice
Injustice, support force complicated condition easily form stress concentration or uneven loading action.U-shaped steel stent is made in roadway surrounding rock pressure
The bending in plane and bad break often occur under or out-of-plane overturning distorts, wherein being no lack of due to structural instability, indulging
It is lost to low-resistance caused by stress, unbalance loading inclination so that the bearing capacity of U-shaped steel stent cannot play completely.Stent once occurs
The destruction of the above situation, almost loses whole bearing capacities, and the later stage constantly reprocesses the waste for not only causing fund, and the time into
This is high.
In conclusion supporting construction low bearing capacity is primarily present in Deep Soft Rock Roadway Support Technology, and it is of high cost, it can contracting amount
Small, tunnel needs continuous the problem of reprocessing.If can ensure U-shaped steel stent uniform stressed, the unfavorable conditions such as unbalance loading are eliminated
It influences, the bearing capacity of U-shaped steel stent can be given full play to as compared with the past under identical wall rock condition, reaching tunnel is maintained to enclose
While rock stabilization, the purpose of reduction repair rate, by cost control within limits, a set of Deep Soft Rock tunnel will be formed
The new method of supporting.The present invention with reference to prefabricated reinforced concrete arc plate, and is aided with anchor shaft anchor cable based on U-shaped steel stent
Deng conventional supporting means, achieve the purpose that Deep Soft Rock Drift stability controls.
The content of the invention
The object of the present invention is to provide a kind of prefabricated assembled composite supporting constructions, and it is difficult to solve Deep Soft Rock roadway support
Topic.Phenomena such as underground supporting construction is subjected to huge load and stress condition is complicated, stress concentration, unbalance loading to prop up
The life cycle of protection structure is excessively of short duration.How to ensure the intensity of supporting construction, alleviate the unfavorable conditions such as stress concentration, unbalance loading and make
Into structural failure, reduce repair of laneway rate be technical barrier to be solved by this invention.
Specific structure of the present invention is prefabricated reinforced concrete member, and multiple reinforced concrete members surround the passage
It is circumferential for the assembled structure being integrated, each reinforced concrete member is axial with another reinforced concrete along the passage
Native component assembly.
Further, the structure further includes groove, the groove be arranged on reinforced concrete member along thickness side
To medial surface or lateral surface on, the shape of the groove and the shape of shaped steel one side match.
Further, the structure further includes pin hole, and the pin hole is arranged on reinforced concrete member in the width direction
Side on, the reinforced concrete member is axially spelled by pin hole and pin with another reinforced concrete member along the passage
Dress.
Further, the structure further includes anchor pole/anchor cable hole, and the anchor pole/anchor cable hole is arranged on the groove
Both sides, the reinforced concrete member are fixed on by anchor pole/anchor cable hole on the country rock of passage.
Further, the structure further includes bolt, and the bolt and reinforced concrete member are affixed, and are arranged on institute
The both sides of groove are stated, the shaped steel is bolted in the groove.
Further, shaped steel is fixed in the groove by the bolt by card cable, and the card cable is provided with bolt hole.
Further, described card cable one end be platy structure, the other end be with shaped steel opposite side shape match structure, institute
The card cable other end is stated the shaped steel is fixed in the groove by bolt and the reinforced concrete member snapping.
Further, which is characterized in that the pin is concrete filled steel tube steel pin.
Further, the multiple reinforced concrete member is circumferential by the way that pressed wood block assembly is allowed to be integrated around the passage
Structure, it is described allow pressed wood block cross-sectional shape it is identical with the cross-sectional shape of reinforced concrete member.
Further, the profile of the reinforced concrete member is arcuation, strip or other curved non-arc structures.
The present invention at least has the advantages that：
(1) all precast construction bodies use consistent specification, are made convenient for mass.The making of precast construction body uses phase
With mold both can, reduce die cost.Precast construction body is simple in structure, and splicing is convenient；
(2) precast construction body is prefabricated on ground, ensures that it has higher intensity, as the mistake between country rock and stent
Component is crossed, the stress condition conversion arc plate that roadway surrounding rock can be applied to stent complexity is applied to the evenly load of stent, changes
It has been apt to the stress condition of U-shaped steel stent, has avoided the generation of the unfavorable conditions such as stress concentration, unbalance loading, give full play to rack bearing
Ability；
(3) it is reserved with 4 anchor pole (rope) holes on every piece of precast construction body, during underground construction, passes through anchor pole (rope) hole
Arc plate can be directly anchored on country rock, facilitate the stability that ensure that structure in work progress while construction；
(4) be equipped with twice groove in the middle part of precast construction body, the protrusion among groove just with the U row groove phase contracts on stent
It closes, load is evenly distributed on stent, while also limit trend of the U-shaped steel stent to motion outside plane, prevent stent from existing
Out-of-plane overturning distortion occurs when stress is excessive；
(5) two kinds of release modes：First, allow laminated structure that can realize lane when bearing compression between precast construction body
The compressive deformation of road circumferential direction, achievees the purpose that allow pressure；Second is that being connected between U-shaped steel stent with card cable, adjustment card cable elasticity makes
It can realize that high resistant slides, is in due course stuck at Support joint, discharge the pressure gathered in stent, be formed and allow, resist suitable effect.
Two kinds of release modes, which have been annotated well in New Austrian Tunneling Method, avoids the initial period of tunnel excavation moderate finite deformation, to give full play to country rock itself carrying energy
The support principle of power；
(6) specification of U-shaped steel is normalized, and all relatively easy convenience is repaired or replaced in processing, easy to transportation and installation
Fast, can be used repeatedly, beneficial to mechanized construction；
(7) card cable is directly installed on arc plate, compared with the service condition of card cable under normal conditions, is not only realized
The connection function of U-shaped steel stent, and can securing the stand on precast construction body limits stent planar or plane
Outer movement tendency, it is ensured that stent consolidates, and gives full play to rack bearing ability；
(8) monocyclic supporting construction body is axially connected together by steel pin made of concrete filled steel tube along tunnel, is made each monocyclic
It acts synergistically between supporting construction body, forms integer support structure, further improve structural stability and bearing capacity.Separately
Outside, steel pin can also play the role of fixed precast construction body in precast construction body installation process；
(9) along tunnel, axially connection is integral by monocyclic supporting construction body for steel pin, acts synergistically between structure, holds jointly
It carries pressure from surrounding rock and maintains stability of the roadway；
(10) anchor pole/anchor cable hole is long and narrow band round rectangle hole, to prevent from surrouding rock deformation differing because of reinforced concrete arc plate
Cause causes anchor cable failure by shear.
Description of the drawings
Fig. 1 is the prefabricated assembled supporting construction schematic diagram of the present invention
Fig. 2 is card cable structure schematic diagram；
Fig. 3 is to allow pressed wood block structure schematic diagram；
Fig. 4 is the prefabricated construction schematic diagram of embedded shaped steel；
Fig. 5 is the schematic diagram of monocyclic supporting construction body；
Fig. 6 is the structure diagram of support system；
Main Reference Numerals explanation：
1- steel pins, 2- allow pressed wood block, 3- prefabricated constructions, and 4- reserves anchor pole/anchor cable hole, 5- bolts, 6-U shaped steel branch
Frame, 7- card cables, 8- grooves, 9- reserve pin hole, 10- bolts hole.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
In order that the present invention can be more clearly and readily understood, below according to specific embodiment and with reference to attached drawing to this
Invention is described in further detail.
As shown in the figure, structure of the present invention is prefabricated reinforced concrete member 3, multiple reinforced concrete members 3 surround institute
It is circumferentially the assembled structure being integrated to state passage, each reinforced concrete member 3 along the passage it is axial with it is another described
Reinforced concrete member 3 is assembled.Specifically, the structure further includes groove 8, and the groove 8 is arranged on armored concrete
On the medial surface or lateral surface of the through-thickness of component 3, the shape of the groove 8 matches with the shape of U-shaped steel one side.Specifically
For, the structure further includes pin hole, and the pin hole is arranged on the side of reinforced concrete member 3 in the width direction, institute
It is axial assembled along the passage by pin hole and steel pin 1 and another reinforced concrete member 3 to state reinforced concrete member 3.Specifically
For, the structure further includes anchor pole/anchor cable hole 4, and the anchor pole/anchor cable hole 4 is arranged on the both sides of the groove 8, described
Reinforced concrete member 3 is fixed on by anchor pole/anchor cable hole 4 on the country rock of passage, and anchor pole/anchor cable hole is long and narrow band fillet square
Shape hole, with prevent because reinforced concrete arc plate with surrouding rock deformation is inconsistent causes anchor cable failure by shear.Specifically, the structure is also
Including bolt 5, the bolt 5 and reinforced concrete member 3 are affixed, and are arranged on the both sides of the groove 8, and the shaped steel passes through
Bolt is fixed in the groove.Specifically, U-shaped steel is fixed in the groove 8 by the bolt by card cable 7, described
Card cable 7 is provided with bolt hole 10.Specifically, described 7 one end of card cable is platy structure, and the other end is and shaped steel opposite side shape
The shaped steel is fixed on institute by the structure of matching, 7 other end of card cable by bolt and 3 snapping of reinforced concrete member
It states in groove 8.Specifically, the steel pin is concrete filled steel tube steel pin.Specifically, the multiple reinforced concrete member 3
Around the circumferential structure by the way that 2 assembly of pressed wood block is allowed to be integrated of the passage, the cross-sectional shape and reinforcing bar for allowing pressed wood block 2
The cross-sectional shape of concrete component is identical.Specifically, the profile of the reinforced concrete member be arcuation, strip or its
His curved non-arc structure.
Specifically, multiple structures circumferentially form monocyclic supporting around the tunnel for the assembled structure being integrated
Structure, embedding U-shaped steel in the monocyclic supporting construction body, multiple monocyclic supporting construction bodies are along the axial connection structure in the tunnel
Into support system.It is shown in Figure 6.Specifically, anchor pole/anchor cable hole is long and narrow band round rectangle hole, to prevent because of reinforcing bar
Concrete arc plate with surrouding rock deformation is inconsistent causes anchor cable failure by shear.Specifically, the prefabricated construction body is around described
The circumferential structure by the way that pressed wood block assembly is allowed to be integrated of passage, the cross-sectional shape and prefabricated construction for allowing pressed wood block
The cross-sectional shape of body is identical.Specifically, the profile of the prefabricated construction body is arcuation, strip or other bendings
Non- arc structure.I.e. supporting construction body may be designed as the other shapes such as flat oval, vertical ellipse.
Specifically, monocyclic supporting construction body of the invention is made of 6 blocks of arc plates 3, is installed with and is allowed between adjacent arcs plate 3
Pressed wood block 2, to ensure the overall stability of supporting construction body, 3 inside installation U-shaped steel stent 6 of arc plate, stent 6 is perfect with arc plate 3
Agree with.It is connected between tunnel axial direction arc plate 3 by steel pin 1, each ring arc plate 3 acts synergistically, and forms integer support structure.Monocyclic branch
Protection structure is as shown in Fig. 2, integer support system is as shown in Figure 1.
Supporting construction body allows there are two types of pressure modes, when realized by compressible wooden unit 2, when supporting construction body is subject to
During larger pressure, allow pressed wood block 2 can be along tunnel circumferential ring to compression, supporting construction body tends to the state of standard circular；Second is that
Pressure is allowed by the realization of U-shaped steel stent 6.The connector of U-shaped steel stent 6 is fixed on by card cable 7 on arc plate 4, by adjusting 7 pine of card cable
Tightness realizes the size of 6 joint resistance of stent, realizes the effect that high resistant slides, and discharges the pressure gathered in stent, reaches and allow
The purpose of pressure.
Along tunnel, axially connection is integral by steel pin made of concrete filled steel tube 1 for monocyclic supporting construction body, makes structure
Between act synergistically, improve structural stability and bearing capacity.
Arc plate be reinforced concrete structure body, for ensure armored concrete arc plate 3 intensity, arc plate 3 it is prefabricated on ground and
Into.One drift section can form monocyclic supporting construction body by 6 sections of arc plates 3 are assembled, and monocyclic supporting construction body is axial along tunnel
Extend to form the complete supporting to tunnel.Arc plate radius of curvature size allows pressed wood block 2 to compress according to drift section size design
Supporting construction body after 50% is in standard circular.Pin hole 9, bolt 5, groove 8 are designed on arc plate 3.
The detailed construction of arc plate is as shown in figure 4, pin hole 9, the effect of bolt 5, groove 8 are respectively：Pin hole：It is inserted into pin hole
Monocyclic supporting construction is axially connected together by concrete filled steel tube steel pin along tunnel so that is cooperateed between monocyclic supporting construction body
Effect improves the globality and bearing capacity of supporting construction body；Bolt：Bolt is arranged in arc plate central slot both sides, pours
It, thereon can be with installation card cable 7 with fixation, connecting U-shaped steel bracket 6, in limit bracket plane or out-of-plane fortune on arc plate
Dynamic trend, gives full play to rack bearing ability；Groove：Groove on arc plate shares twice, and U-shaped steel stent can be embedded into groove
In agree with arc plate perfection.Load is uniformly applied on stent by such agree with, and is improved support force situation, is improved supporting
Structure integrated carrying ability, while also prevent stent and out-of-plane overturning distortion occurs；Reserved anchor pole (rope) hole 4：In arc plate
In installation process, arc plate can be anchored in by reserved anchor pole (rope) hole on country rock, convenient for the progress of subsequent installation process.In advance
Stay staying to set and also indirectly improving structure stability for anchor pole (rope) hole.
Spatial relation between the components such as card cable, U-shaped steel stent, arc plate, bolt, steel pin is as shown in Figure 6.Card cable：
It is made by metal material.Bolt hole is reserved on card cable, there is the curvature identical with arc plate to agree with arc plate and U-shaped steel branch
Frame.The effect of card cable is connecting U-shaped steel bracket and is fixed on arc plate, while can prevent U-shaped steel stent from plane occurs
Interior bending and bad break overturn distortion due to out-of-plane caused by unbalance loading.Steel pin：In hollow steel casing pack coagulation
Concrete-filled Tubular Steel Stub Columns are made in soil.The effect of steel pin is that along tunnel, axially connection is integral by monocyclic supporting construction body, makes each list
Ring supporting construction body acts synergistically, and improves supporting construction body overall stability and bearing capacity.
The structure for allowing pressed wood block is as shown in Figure 6.Pressed wood block 2 is allowed between two sections of adjacent arc plates.With 6 pieces of 3 structures of arc plate
Into supporting construction body exemplified by, pressed wood block is allowed to share 6 pieces, allowing on pressed wood block has the groove identical with arc plate to agree with U-shaped steel
Stent.The thickness of pressed wood block is allowed generally between 0.5~1.0m between arc plate, and there is larger compressibility, can play
Allow the effect of pressure；To avoid allowing pressed wood block rotten, preservative treatment should be carried out to it, such as using the method for pitch or bituminizing；
The direction of batten fiber should be kept when pressed wood block being allowed to place along tunnel radial direction, and is paved with along tunnel long axis direction, so can
Arc plate uniform stressed can be made again by giving full play to the compressible characteristic of wooden unit；It allows pressed wood block that should choose neither too hard, nor too soft timber, compresses
Amount is preferably 50% or so.Wooden unit does not have very much the effect of pressure of allowing firmly.Wooden unit it is too soft then can due to tunnel initial deformation speed,
Cause that wooden unit compression is too early, and decrement is big, it is impossible to which the later stage plays the role of allowing pressure in tunnel.
The present invention is to carry out the supporting construction in tunnel by the following method, and the installation of supporting construction body is simple and convenient,
The equipment mainly used has：1st, simple monorail crane；2nd, special installation apparatus.Bottom arc plate need to only be can be completed using simple monorail crane
Lifting positioning.Its complement of an arc plate, will be lifted by monorail crane on special installation apparatus, then be completed by the mechanical arm in equipment flat
The actions such as shifting and rotation, you can be installed in place arc plate.
By taking the supporting construction body that 6 sections of arc plates are formed as an example, work progress is as follows：
(1) bottom plate gunite concrete is lifted arc plate in place with simple monorail crane to certain altitude.Pass through arc plate with anchor pole
On reserved anchor pole (rope) hole arc plate is anchored on bottom plate, pressed wood block will be allowed to be installed to arc plate both ends.
(2) its complement of an arc plate by special installation apparatus carry out it is a series of lift, translate, the actions such as rotate and complete installation, every piece
After the installation of arc plate is in place, arc plate should be anchored on country rock by anchor pole (rope) hole reserved on arc plate, using pulp shooting machine by water
Cement mortar is filled between arc plate and country rock, and the filling of spoil woven bag can also be used；
(3) arc plate and allow pressed wood block installation is complete, formed after being closed supporting construction, by U-shaped steel stent be embedded into arc plate with
It allows among the groove of pressed wood block, is blocked at U-shaped steel Support joint with card cable, adjust card cable tightness so that U-shaped steel branch bridge joint
Head at can the mutual changing of the relative positions, to discharge the pressure gathered in stent, complete the function of release；
(4) installation of monocyclic supporting construction is completed, carries out the installation of next ring supporting construction, repeats step (1) (2) (3).
According to the difference of the conditions such as tunnel buried depth, geological conditions, crustal stress and lithology, it is necessary to design different supporting construction
Body size.According to on-site actual situations it needs to be determined that major parameter have：Thickness, intensity and the curvature of arc plate, pin hole depth, list
Bolt group number on block arc plate, allow the thickness and its compressed thickness of pressed wood block, the model of steel pin and length, the model of U-shaped steel stent,
The size of card cable.
The above is only the preferred embodiment of the present invention, but protection scope of the present invention is not limited thereto, ability
Field technique personnel are not it should be understood that departing from the principle and spirit of the invention defined by the claims and their equivalents
In the case of, it can modify to these embodiments and perfect, these are changed and improve also should be in protection scope of the present invention
It is interior.
Claims (10)
1. a kind of prefabricated assembled composite supporting construction, which is characterized in that it is applied in the supporting in lane (tunnel) road, the structure
Body is prefabricated reinforced concrete member, and multiple reinforced concrete members are circumferentially the assembled knot being integrated around the passage
Structure, each reinforced concrete member are axial assembled with another reinforced concrete member along the passage.
2. supporting construction body as described in claim 1, which is characterized in that the structure further includes groove, and the groove is set
It puts on the medial surface or lateral surface of the through-thickness of reinforced concrete member, the shape of the groove is outer with shaped steel one side
Shape matches.
3. supporting construction as claimed in claim 2, which is characterized in that the structure further includes pin hole, and the pin hole is set
On the side of reinforced concrete member in the width direction, the reinforced concrete member is mixed by pin hole and pin with another reinforcing bar
Solidifying soil component is axial assembled along the passage.
4. supporting construction as described in claim 1, which is characterized in that the structure further includes anchor pole/anchor cable hole, the anchor
Bar/anchor cable hole is arranged on the both sides of the groove, and the reinforced concrete member is fixed on enclosing for passage by anchor pole/anchor cable hole
On rock.
5. supporting construction as claimed in claim 2, which is characterized in that the structure further includes bolt, the bolt and steel
Reinforced concrete member, and the both sides of the groove are arranged on, the shaped steel is bolted in the groove.
6. supporting construction as claimed in claim 5, which is characterized in that shaped steel is fixed on described recessed by the bolt by card cable
In slot, the card cable is provided with bolt hole.
7. supporting construction as claimed in claim 6, which is characterized in that described card cable one end be platy structure, the other end be with
The structure that shaped steel opposite side shape matches, the card cable other end is by bolt and the reinforced concrete member snapping by described in
Shaped steel is fixed in the groove.
8. supporting construction as claimed in claim 3, which is characterized in that the pin is concrete filled steel tube steel pin.
9. supporting construction as described in claim 1, which is characterized in that the multiple reinforced concrete member surrounds the passage
The circumferential structure by the way that pressed wood block assembly is allowed to be integrated, the horizontal stroke of the cross-sectional shape and reinforced concrete member for allowing pressed wood block
Cross sectional shape is identical.
10. supporting construction as described in claim 1, which is characterized in that the profile of the reinforced concrete member is arcuation, long
Strip or other curved non-arc structures.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721462449 | 2017-11-06 | ||
| CN2017214624495 | 2017-11-06 |
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| Publication Number | Publication Date |
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| CN108119164A true CN108119164A (en) | 2018-06-05 |
| CN108119164B CN108119164B (en) | 2024-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810066397.2A Active CN108119164B (en) | 2017-11-06 | 2018-01-24 | Prefabricated assembled composite support structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043293A (en) * | 2019-05-28 | 2019-07-23 | 长安大学 | A kind of the tunnel morning strong supporting system and its installation method of bayonet joint |
| CN110056371A (en) * | 2019-05-28 | 2019-07-26 | 长安大学 | A kind of tunnel morning strong supporting system and its installation method |
| CN110500116A (en) * | 2019-01-22 | 2019-11-26 | 青岛理工大学 | A kind of active sluicing anti-floating section of jurisdiction and liner structure |
| CN114320349A (en) * | 2021-12-30 | 2022-04-12 | 山东交通学院 | Primary support structure of highway tunnel and construction method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527201A (en) * | 2013-10-15 | 2014-01-22 | 中国矿业大学(北京) | Supporting device for concrete filled steel tube supports and concrete duct pieces of coal mine vertical shaft |
| CN104695982A (en) * | 2015-03-11 | 2015-06-10 | 西南交通大学 | Asymmetrical tunnel lining structure |
| CN104763442A (en) * | 2015-03-12 | 2015-07-08 | 中国矿业大学(北京) | High-intensity large-shrinkage sealed cambered-plate support structural element |
| CN105484763A (en) * | 2015-12-03 | 2016-04-13 | 中国矿业大学(北京) | Semi-closed reinforced concrete prefabricated segment support system |
| CN105673040A (en) * | 2016-03-10 | 2016-06-15 | 安徽理工大学 | Bearing system of deep well high-stress roadway surrounding rock enhanced support and application of bearing system |
| CN106593467A (en) * | 2016-11-09 | 2017-04-26 | 大唐陇东能源有限公司 | Supporting method for underground soft rock roadway of coal mine |
| CN107044288A (en) * | 2017-05-22 | 2017-08-15 | 中铁第勘察设计院集团有限公司 | Prefabricated support lining structure and construction method for large-deformation tunnel in soft rock |
-
2018
- 2018-01-24 CN CN201810066397.2A patent/CN108119164B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527201A (en) * | 2013-10-15 | 2014-01-22 | 中国矿业大学(北京) | Supporting device for concrete filled steel tube supports and concrete duct pieces of coal mine vertical shaft |
| CN104695982A (en) * | 2015-03-11 | 2015-06-10 | 西南交通大学 | Asymmetrical tunnel lining structure |
| CN104763442A (en) * | 2015-03-12 | 2015-07-08 | 中国矿业大学(北京) | High-intensity large-shrinkage sealed cambered-plate support structural element |
| CN105484763A (en) * | 2015-12-03 | 2016-04-13 | 中国矿业大学(北京) | Semi-closed reinforced concrete prefabricated segment support system |
| CN105673040A (en) * | 2016-03-10 | 2016-06-15 | 安徽理工大学 | Bearing system of deep well high-stress roadway surrounding rock enhanced support and application of bearing system |
| CN106593467A (en) * | 2016-11-09 | 2017-04-26 | 大唐陇东能源有限公司 | Supporting method for underground soft rock roadway of coal mine |
| CN107044288A (en) * | 2017-05-22 | 2017-08-15 | 中铁第勘察设计院集团有限公司 | Prefabricated support lining structure and construction method for large-deformation tunnel in soft rock |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500116A (en) * | 2019-01-22 | 2019-11-26 | 青岛理工大学 | A kind of active sluicing anti-floating section of jurisdiction and liner structure |
| CN110043293A (en) * | 2019-05-28 | 2019-07-23 | 长安大学 | A kind of the tunnel morning strong supporting system and its installation method of bayonet joint |
| CN110056371A (en) * | 2019-05-28 | 2019-07-26 | 长安大学 | A kind of tunnel morning strong supporting system and its installation method |
| CN114320349A (en) * | 2021-12-30 | 2022-04-12 | 山东交通学院 | Primary support structure of highway tunnel and construction method |
| CN114320349B (en) * | 2021-12-30 | 2023-09-08 | 山东交通学院 | Highway tunnel primary support structure and construction method |
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| CN108119164B (en) | 2024-01-19 |
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