CN107893665A - A kind of prefabricated assembled composite supporting construction mounting process based on shaped steel - Google Patents
A kind of prefabricated assembled composite supporting construction mounting process based on shaped steel Download PDFInfo
- Publication number
- CN107893665A CN107893665A CN201711079723.5A CN201711079723A CN107893665A CN 107893665 A CN107893665 A CN 107893665A CN 201711079723 A CN201711079723 A CN 201711079723A CN 107893665 A CN107893665 A CN 107893665A
- Authority
- CN
- China
- Prior art keywords
- shaped steel
- supporting construction
- concrete component
- anchor
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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 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 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 DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
Abstract
The present invention relates to a kind of prefabricated assembled composite supporting construction mounting process based on shaped steel,（1）Concrete component lifting is in place, structure is anchored on bottom plate by the anchor pole/anchor cable hole reserved in structure with anchor pole and/or anchor cable；（2）Remaining concrete component in addition to bottom plate is installed by special installation apparatus, and after in place per the installation of block concrete component, structure is anchored on country rock by the anchor pole/anchor cable hole reserved on structure；（3）Multistage shaped steel is embedded among the groove of concrete component, forms shape steel bracket；（4）Shape steel bracket joint is blocked with card cable, adjust card cable tightness so that shape steel bracket joint can the mutual changing of the relative positions, to discharge the pressure gathered in support, complete the function of release；（5）Complete the installation of monocyclic supporting construction body, repeat step（1）‑（4）Carry out the installation of next ring supporting construction；The invention reside in：Improve structural stability and bearing capacity.
Description
Technical field
The present invention relates to roadway support field, and in particular to a kind of prefabricated assembled composite supporting construction peace based on shaped steel
Dress technique.
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 conventional supporting means such as simple anchor shaft anchor cable can not 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 support 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 governs its popularization and application always.
U-shaped steel support participate in combined supporting, be solve the soft broken wall rock laneway support problem of high pressure important channel it
One.U-shaped steel support cost is cheap and has 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 support is made in roadway surrounding rock pressure
The bending in plane and bad break, or out-of-plane upset distortion often occur under, wherein being no lack of due to structural instability, indulging
Lost to low-resistance caused by stress, unbalance loading inclination so that the bearing capacity of U-shaped steel support can not play completely.Support 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 summary, supporting construction low bearing capacity is primarily present in Deep Soft Rock Roadway Support Technology, cost is high, can contracting amount
Small, tunnel needs continuous the problem of reprocessing.If U-shaped steel support uniform stressed can be ensured, the unfavorable conditions such as unbalance loading are eliminated
Influence, the bearing capacity of U-shaped steel support can be given full play to as compared with the past under identical wall rock condition, maintain tunnel to enclose reaching
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 support
Etc. conventional supporting means, reach the purpose that Deep Soft Rock Drift stability controls.
The content of the invention
It is an object of the invention to provide a kind of prefabricated assembled composite supporting construction mounting process based on shaped steel, solves deep
Well soft rock roadway support problem.Underground supporting construction is subjected to huge load and stress condition is complicated, stress concentration,
Phenomena such as unbalance loading, make it that the life cycle of supporting construction is excessively of short duration.How to ensure the intensity of supporting construction, alleviate stress concentration,
Structural failure caused by the unfavorable conditions such as unbalance loading, it is technical barrier to be solved by this invention to reduce repair of laneway rate.
Specific structure of the present invention includes precast concrete and shaped steel, and the shaped steel is embedded in the concrete structure
In part, multiple structures are circumferentially the assembled structure being integrated, the integral construction profile and the lane around tunnel
Road profile matches；The structure is installed by following steps：
(1) concrete component is lifted in place, passes through the anchor bar/anchor cable reserved in structure with anchor pole and/or anchor cable
Structure is anchored on bottom plate by hole；
(2) remaining concrete component in addition to bottom plate by special installation apparatus a series of lift, translate, rotate
Installation is completed in action, after per block concrete component, installation is in place, by anchor pole/anchor cable hole for being reserved on structure by structure anchor
Gu on country rock；
(3) structure and after allowing pressure component installation to form closure supporting construction, is embedded into concrete by multistage shaped steel
Among the groove of component, shape steel bracket is formed；
(4) shape steel bracket joint is blocked with card cable, adjusts card cable tightness so that shape steel bracket joint can phase
The mutual changing of the relative positions, to discharge the pressure gathered in support, complete the function of release；
(5) installation of monocyclic supporting construction body is completed, repeat step (1)-(4) carry out the installation of next ring supporting construction.
Further, also include bottom plate gunite concrete to certain altitude in the step (1), will with simple monorail crane
The lifting of arc plate is in place.
Further, in the step (2), using spoil woven bag or using pulp shooting machine after being installed in place per block structure body
Cement mortar is filled between arc plate and country rock.
Further, in the step (1), in addition to the both ends that pressure component will be allowed to be installed to the concrete component, institute
State and make pressure element cross-section shape identical with the shape of cross section of concrete component.
Further, in addition to step (6), by multiple monocyclic supporting construction bodies in step (5) along the tunnel axle
The support system is spliced to form to another monocyclic supporting construction body.
Further, in the step (3), one end joint of two sections of shaped steel is embedded in the groove by card cable
Interior, the other end of two sections of shaped steel stretches out the concrete component and passes through card with the shaped steel in another concrete component groove
Cable clamping.
Further, in the step (4), the concrete component includes bolt, the bolt and the concrete structure
Part is affixed, and is arranged on the both sides of the groove, and the card cable is provided with bolt hole, and the card cable is fastened shaped steel by bolt
On the concrete component.
Further, in the step (4), described card cable one end is platy structure, the other end be with outside shaped steel opposite side
The shaped steel by bolt and the structure snapping and is connected to the groove by the structure that shape matches, the card cable other end
It is interior.
Further, in the step (6), the concrete component includes pin-and-hole, and the pin-and-hole is arranged on concrete structure
On two sides of part in the width direction, the monocyclic supporting construction body passes through pin-and-hole and pin and another monocyclic supporting construction body edge
The passage is axially assembled.
Further, in the step (1) and (2), the concrete component includes anchor pole/anchor cable hole, the anchor pole/anchor
Rope hole is arranged on the both sides of the groove, and the concrete component is fixed on the country rock of passage by anchor pole/anchor cable hole, described
Anchor pole/anchor cable hole is long and narrow band round rectangle hole, with prevent because reinforced concrete arc plate with surrouding rock deformation is inconsistent causes anchor cable to be cut
Cut through bad.
The present invention at least has the advantages that：
(1) all precast construction bodies use consistent specification, are easy to mass to make.The making of precast construction body uses phase
With mould both can, reduce die cost.Precast construction body is simple in construction, and splicing is convenient；
(2) precast construction body is prefabricated on ground, ensures that it has higher intensity, it is as the mistake between country rock and support
Component is crossed, roadway surrounding rock can be applied to the evenly load that the complicated stress condition conversion arc plate of support is applied to support, changed
It has been apt to the stress condition of U-shaped steel support, 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, the stability of structure in work progress is ensure that while convenient construction；
(4) be provided with twice groove in the middle part of precast construction body, the projection among groove just with the U row groove phase contracts on support
Close, load is evenly distributed on support, while also limit trend of the U-shaped steel support to motion outside plane, prevent support from existing
Out-of-plane upset distortion occurs when stress is excessive；
(5) two kinds of release modes：First, laminated structure is allowed to realize lane when bearing compression between precast construction body
The compression of road ring, reach and allow the purpose of pressure；Second, being connected between U-shaped steel support with card cable, adjustment card cable elasticity makes
It can realize that high resistant slides, be in good time stuck at Support joint, discharge the pressure gathered in support, be formed and allow, resist suitable effect.
Two kinds of release modes have been annotated in New Austrian Tunneling Method well 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, easy transportation and installation are repaired or replaced in processing
Fast, can be used repeatedly, beneficial to mechanized construction.
(7) card cable is directly installed on arc plate, and compared with the service condition of card cable under normal circumstances, it is not only realized
The connection function of U-shaped steel support, and can securing the stand on precast construction body, limit support planar or plane
Outer movement tendency, it is ensured that support 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
Acted synergistically between supporting construction body, form integer support structure, further improve structural stability and bearing capacity.Separately
Outside, steel pin can also play a part 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
Carry pressure from surrounding rock and maintain stability of the roadway.
(10) anchor pole/anchor cable hole is long and narrow band round rectangle hole, to prevent because reinforced concrete arc plate differs with surrouding rock deformation
Cause causes anchor cable failure by shear.
Brief description of the drawings
Fig. 1 is the structural representation of support system of the present invention；
Fig. 2 is the schematic diagram of monocyclic supporting construction body；
Fig. 3 is the prefabricated construction body schematic diagram with shaped steel；
Fig. 4 is prefabricated construction body schematic diagram；
Fig. 5 is card cable structure schematic diagram；
Fig. 6 is to allow pressed wood block structure schematic diagram.
Main Reference Numerals explanation：
1- steel pins, 2- allow pressed wood block, 3- prefabricated construction bodies, and 4- reserves anchor pole/anchor cable hole, 5- bolts, 6-U shaped steel
Support, 7- card cables, 8- grooves, 9- reserve pin-and-hole, 10- bolts hole.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
In order that present disclosure is easier to be clearly understood, below according to specific embodiment and with reference to accompanying drawing to this
Invention is described in further detail.
As illustrated, the present invention includes monocyclic supporting construction body, insert-type steel in the monocyclic supporting construction body is described monocyclic
The construction profile of supporting construction body matches with channel profile；Multiple monocyclic supporting construction bodies axially connect along the passage
Form the support system.Specifically, the monocyclic supporting construction body includes multistage prefabricated construction body 3；Multistage institute
State prefabricated assembly structural body 3 and fit together the composition monocyclic supporting construction body；Multiple monocyclic supporting construction bodies are along institute
State passage and be axially spliced to form the support system with another monocyclic supporting construction body.Specifically, the prefabricated assembled knot
Structure body 3 includes groove 8, and the groove 8 is arranged on the medial surface or lateral surface of the through-thickness of prefabricated construction body 3
On, the shape of the groove 8 matches with the profile of shaped steel side.Specifically, the shaped steel is two sections, two sections of shaped steel
One end joint is embedded in the groove 8 by card cable 7, and the other end of two sections of shaped steel stretches out the prefabricated assembled knot
Structure body 3 passes through the clamping of card cable 7 with the shaped steel in another groove 8 of prefabricated construction body 3.Specifically, in addition to bolt 5,
The bolt 5 and the prefabricated construction body 3 are affixed, and are arranged on the both sides of the groove 8, and the card cable 7 is provided with
Shaped steel is fastened on the prefabricated construction body 3 by bolt hole 10, the card cable 7 by bolt 5.Specifically, it is described
The one end of card cable 7 is platy structure, and the other end is the structure to match with shaped steel opposite side profile, and bolt hole 10 is opened in platy structure
On, the shaped steel by bolt and the prefabricated construction body snapping and is connected in the groove 8 by the card cable 7.
Specifically, prefabricated construction body also includes pin-and-hole, and the pin-and-hole is arranged on prefabricated construction body in the width direction
Side on, the prefabricated construction body is by pin-and-hole and pin and another prefabricated construction body along passage axial direction
It is assembled.Specifically, the prefabricated construction body also includes anchor pole/anchor cable hole, and the anchor pole/anchor cable hole is arranged on described
The both sides of groove, the structure are fixed on the country rock of passage by anchor pole/anchor cable hole, and anchor pole/anchor cable hole is long and narrow band
Round rectangle hole, with prevent because reinforced concrete arc plate with surrouding rock deformation is inconsistent causes anchor cable failure by shear.Specifically, it is described pre-
Fabricated construction body processed is described to allow the transversal of pressed wood block around the circumferential structure by allowing pressed wood block assembly to be integrated of the passage
Face shape is identical with the shape of cross section of prefabricated construction body.Specifically, the profile of the prefabricated construction body
For arcuation, the non-arc structure of strip or other bendings.I.e. supporting construction body may be designed as flat oval, vertical ellipse etc. other
Shape.
Specifically, monocyclic supporting construction body of the invention is made up 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 resistance to overturning of supporting construction body, the inner side of arc plate 3 installation U-shaped steel support 6, support 6 is perfect with arc plate 3
Agree with.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 pressure mode to have two kinds, when by compressible wooden unit 2 realize, when supporting construction body by
During larger pressure, pressed wood block 2 is allowed to tend to the state of standard circular along tunnel circumferential ring to compression, supporting construction body；Second,
Realized by U-shaped steel support 6 and allow pressure.The joint of U-shaped steel support 6 is fixed on arc plate 4 by card cable 7, by adjusting the pine of card cable 7
Tightness realizes the size of the joint resistance of support 6, realizes the effect that high resistant slides, and discharges the pressure gathered in support, 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 is 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
Extension forms 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-and-hole 9, bolt 5, groove 8 are designed with arc plate 3.
The detailed construction of arc plate is as shown in figure 4, pin-and-hole 9, the effect of bolt 5, groove 8 are respectively：Pin-and-hole：Inserted in pin-and-hole
Concrete filled steel tube steel pin, monocyclic supporting construction is axially connected together along tunnel so that cooperateed between monocyclic supporting construction body
Effect, improve the globality and bearing capacity of supporting construction body；Bolt：Bolt is arranged in arc plate central slot both sides, pours
, 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 support can be embedded into groove
In agree with arc plate perfection.Load is uniformly applied on support by such a agree with, and is improved support force situation, is improved supporting
Structure integrated carrying ability, while also prevent support and out-of-plane upset 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, be easy to 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 support, arc plate, bolt, steel pin is as shown in Figure 6.Card cable：
It is made by metal material.Bolt hole is reserved with card cable, is had with arc plate identical curvature 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 support from plane occurs
Interior bending and bad break, or due to out-of-plane upset distortion caused by unbalance loading.Steel pin：In hollow steel casing pack coagulation
Soil, Concrete-filled Tubular Steel Stub Columns are made.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 resistance to overturning and bearing capacity.
Make the structure of pressed wood block as shown in Figure 6.Pressed wood block 2 is allowed between two sections of adjacent arc plates.With 6 pieces of structures of arc plate 3
Into supporting construction body exemplified by, allow pressed wood block to share 6 pieces, allowing on pressed wood block has and arc plate identical groove is to agree with U-shaped steel
Support.The thickness of pressed wood block is allowed typically 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 allowing pressed wood block to place along tunnel radial direction, and is paved with along tunnel long axis direction, so can
Giving full play to the compressible characteristic and can of wooden unit makes arc plate uniform stressed；Allow pressed wood block to choose neither too hard, nor too soft timber, compress
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,
Wooden unit is caused to compress too early, decrement is big, it is impossible to which the later stage, which plays, in tunnel allows pressure to act on.
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 use simple monorail crane to complete
Lifting positioning.Its complement of an arc plate, will be lifted on special installation apparatus by monorail crane, then be completed by the mechanical arm in equipment flat
The action 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 after designing bottom plate heights.Led to anchor pole
Arc plate is anchored on bottom plate by reserved anchor pole (rope) hole crossed on arc plate, and 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 action 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, can also use spoil woven bag to fill；
(3) arc plate and allow pressed wood block installation, after forming closure supporting construction, by U-shaped steel support be embedded into arc plate with
Allow among the groove of pressed wood block, 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 support, complete the function of release；
(4) installation of monocyclic supporting construction is completed, carries out the installation of next ring supporting construction, repeat step (1) (2) (3).
(5) multiple monocyclic supporting construction bodies are axially spliced to form along the tunnel with another monocyclic supporting construction body
The support system.
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-and-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 support,
The size of card cable.
It is described above, 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 principle and spirit of the invention that its scope is limited by claim and its equivalent
In the case of, these embodiments can be modified and perfect, these are changed and improved also should be in protection scope of the present invention
It is interior.
Claims (10)
1. a kind of prefabricated assembled composite supporting construction mounting process based on shaped steel, it is characterised in that the structure includes
Precast concrete and shaped steel, the shaped steel are embedded in the concrete component, and multiple structures are circumferential around tunnel
The structure being integrated for assembly, the integral construction profile match with the tunnel profile；The structure passes through following
Step is installed：
(1) concrete component is lifted in place, will by the anchor pole/anchor cable hole reserved in structure with anchor pole and/or anchor cable
Structure is anchored on bottom plate；
(2) remaining concrete component in addition to bottom plate by special installation apparatus a series of lift, translate, the action such as rotate
Installation is completed, after in place per the installation of block concrete component, is anchored at structure by the anchor pole/anchor cable hole reserved on structure
On country rock；
(3) structure and after allowing pressure component installation to form closure supporting construction, is embedded into concrete component by multistage shaped steel
Groove among, form shape steel bracket；
(4) shape steel bracket joint is blocked with card cable, adjusts card cable tightness so that shape steel bracket joint can be mutually wrong
It is dynamic, to discharge the pressure gathered in support, complete the function of release；
(5) installation of monocyclic supporting construction body is completed, repeat step (1)-(4) carry out the installation of next ring supporting construction.
2. mounting process as claimed in claim 1, it is characterised in that also include bottom plate spraying coagulation in the step (1)
Soil arrives certain altitude, is lifted arc plate in place with simple monorail crane.
3. mounting process as claimed in claim 1, it is characterised in that in the step (2), after being installed in place per block structure body
Cement mortar is filled between arc plate and country rock using spoil woven bag or using pulp shooting machine.
4. mounting process as claimed in claim 1, it is characterised in that in the step (1), in addition to pressure component will be allowed to install
It is described to make pressure element cross-section shape identical with the shape of cross section of concrete component to the both ends of the concrete component.
5. mounting process as claimed in claim 1, it is characterised in that, will be multiple described in step (5) also including step (6)
Monocyclic supporting construction body is axially spliced to form the support system along the tunnel with another monocyclic supporting construction body.
6. mounting process as claimed in claim 1, it is characterised in that in the step (3), a termination of two sections of shaped steel
It is embedded at head by card cable in the groove, the other end of two sections of shaped steel stretches out the concrete component and another coagulation
Shaped steel in native member recess passes through card cable clamping.
7. mounting process as claimed in claim 6, it is characterised in that in the step (4), the concrete component includes spiral shell
Bolt, the bolt and the concrete component are affixed, and are arranged on the both sides of the groove, and the card cable is provided with bolt hole,
Shaped steel is fastened on the concrete component by the card cable by bolt.
8. mounting process as claimed in claim 7, it is characterised in that in the step (4), described card cable one end is tabular knot
Structure, the other end are the structure to match with shaped steel opposite side profile, and the card cable other end passes through bolt and the structure snapping
And the shaped steel is connected in the groove.
9. mounting process as claimed in claim 5, it is characterised in that in the step (6), the concrete component includes pin
Hole, the pin-and-hole are arranged on two sides of concrete component in the width direction, and the monocyclic supporting construction body passes through pin-and-hole
It is axially assembled along the passage with pin and another monocyclic supporting construction body.
10. the mounting process as described in claim 1-9, it is characterised in that in the step (1) and (2), the concrete structure
Part includes anchor pole/anchor cable hole, and the anchor pole/anchor cable hole is arranged on the both sides of the groove, the concrete component by anchor pole/
Anchor cable hole is fixed on the country rock of passage, and the anchor pole/anchor cable hole is long and narrow band round rectangle hole, to prevent because of reinforced concrete arc
Plate with surrouding rock deformation is inconsistent causes anchor cable failure by shear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711079723.5A CN107893665B (en) | 2017-11-06 | 2017-11-06 | A kind of prefabricated assembled composite supporting construction mounting process based on fashioned iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711079723.5A CN107893665B (en) | 2017-11-06 | 2017-11-06 | A kind of prefabricated assembled composite supporting construction mounting process based on fashioned iron |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107893665A true CN107893665A (en) | 2018-04-10 |
| CN107893665B CN107893665B (en) | 2019-07-05 |
Family
ID=61804135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711079723.5A Active CN107893665B (en) | 2017-11-06 | 2017-11-06 | A kind of prefabricated assembled composite supporting construction mounting process based on fashioned iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107893665B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098718A (en) * | 2018-10-09 | 2018-12-28 | 北方工业大学 | Assembled roadway construction method |
| CN110748005A (en) * | 2019-10-29 | 2020-02-04 | 华中科技大学 | Axial insertion horizontal pin type mortise-tenon joint and assembly type construction component |
| CN110748010A (en) * | 2019-10-29 | 2020-02-04 | 武汉市市政建设集团有限公司 | Rigid assembling mortise-tenon joint and assembling type construction component |
| CN110761414A (en) * | 2019-10-29 | 2020-02-07 | 华中科技大学 | I-type standard block combined mortise and tenon joint and assembled construction component |
| CN111424697A (en) * | 2020-04-19 | 2020-07-17 | 中铁上海工程局集团有限公司 | Construction method for prefabricating deep and large open caisson by slicing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87216389U (en) * | 1987-12-11 | 1988-07-20 | 董显枢 | Retractable arch with high strength |
| CN201460915U (en) * | 2009-08-05 | 2010-05-12 | 焦作煤业集团赵固（新乡）能源有限责任公司 | Telescopic U-shaped steel roadway support |
| CN103557013A (en) * | 2013-11-06 | 2014-02-05 | 王静 | Annular steel structure supporting construction method with open type TBM (tunnel boring machine) |
| 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 |
| KR20170048943A (en) * | 2015-10-27 | 2017-05-10 | 경성대학교 산학협력단 | Precast concrete segment for preventing of damage end part and manufacturing method of the same |
| CN206220978U (en) * | 2016-08-25 | 2017-06-06 | 河北工业大学 | Vcehicular tunnel first lined steel bow member supporting construction integrated with prestressed anchor |
-
2017
- 2017-11-06 CN CN201711079723.5A patent/CN107893665B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87216389U (en) * | 1987-12-11 | 1988-07-20 | 董显枢 | Retractable arch with high strength |
| CN201460915U (en) * | 2009-08-05 | 2010-05-12 | 焦作煤业集团赵固（新乡）能源有限责任公司 | Telescopic U-shaped steel roadway support |
| CN103557013A (en) * | 2013-11-06 | 2014-02-05 | 王静 | Annular steel structure supporting construction method with open type TBM (tunnel boring machine) |
| 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 |
| KR20170048943A (en) * | 2015-10-27 | 2017-05-10 | 경성대학교 산학협력단 | Precast concrete segment for preventing of damage end part and manufacturing method of the same |
| CN206220978U (en) * | 2016-08-25 | 2017-06-06 | 河北工业大学 | Vcehicular tunnel first lined steel bow member supporting construction integrated with prestressed anchor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098718A (en) * | 2018-10-09 | 2018-12-28 | 北方工业大学 | Assembled roadway construction method |
| CN110748005A (en) * | 2019-10-29 | 2020-02-04 | 华中科技大学 | Axial insertion horizontal pin type mortise-tenon joint and assembly type construction component |
| CN110748010A (en) * | 2019-10-29 | 2020-02-04 | 武汉市市政建设集团有限公司 | Rigid assembling mortise-tenon joint and assembling type construction component |
| CN110761414A (en) * | 2019-10-29 | 2020-02-07 | 华中科技大学 | I-type standard block combined mortise and tenon joint and assembled construction component |
| CN111424697A (en) * | 2020-04-19 | 2020-07-17 | 中铁上海工程局集团有限公司 | Construction method for prefabricating deep and large open caisson by slicing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107893665B (en) | 2019-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107893665A (en) | A kind of prefabricated assembled composite supporting construction mounting process based on shaped steel | |
| US9745712B2 (en) | Cementitious foundation cap with post-tensioned helical anchors and method of making the same | |
| CN104763442B (en) | The big contracting amount enclosed type Arc plate support structure of high intensity | |
| CN109372556B (en) | Sandwich arch suitable for high-stress soft rock tunnel surrounding rock support and construction method | |
| CN108119164A (en) | A kind of prefabricated assembled composite supporting construction | |
| CN207828965U (en) | A kind of pouch expansion variable diameters steel reinforcement cage and anchor pole or pile foundation | |
| CN107542087A (en) | A kind of pouch expansion variable diameters steel reinforcement cage and anchor pole or pile foundation | |
| CN107725068A (en) | A kind of assembled supporting construction and its construction method based on outside steel arch-shelf and inner side concrete slab | |
| JP6615869B2 (en) | Method for expanding the space below a stone arch bridge and a stone arch bridge | |
| CN107849831A (en) | Method for carrying out pushing tow/construction bridge using prefabricated panel and steel-pipe concrete truss | |
| DE2434200C3 (en) | Process for the production of underground cavities | |
| CN211113663U (en) | Recoverable anchor rope fender pile combined supporting structure of anchor rope | |
| CN105178979A (en) | Supporting structure of tunnel in bias salt cavity environment and construction method of supporting structure | |
| CN102587367A (en) | Mechanical connection type anchor rod | |
| CN109113081A (en) | Fabricated drainage prestress anti-slide pile structure and construction process thereof | |
| CN103510540A (en) | Construction method for reinforcing mortar rubble retaining wall and structure of mortar rubble retaining wall | |
| WO2016005941A1 (en) | Structural strengthening system with internally anchored reinforcements by adherence | |
| NL2030784B1 (en) | Rapid construction device and method for prestressed basalt fiber anchor rod | |
| CN206346216U (en) | A kind of ruggedized construction of power transmission line iron tower foundation | |
| CN109931077A (en) | Support system and its construction method for Segment rehabilitation | |
| CN212612522U (en) | Truss string concrete combined supporting system | |
| CN107630708A (en) | A kind of prefabricated assembled composite support system based on shaped steel | |
| CN220550582U (en) | Concrete pile with drum part and root pile for prefabricating pile foundation structure | |
| CN207673348U (en) | A kind of prefabricated assembled composite support system based on shaped steel | |
| CN209838429U (en) | Back anchor shield constructs lining cutting supporting construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |