CN110318785A - A kind of steelframe and its construction method based on tunnel machine full face tunneling - Google Patents
A kind of steelframe and its construction method based on tunnel machine full face tunneling Download PDFInfo
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- CN110318785A CN110318785A CN201910710239.0A CN201910710239A CN110318785A CN 110318785 A CN110318785 A CN 110318785A CN 201910710239 A CN201910710239 A CN 201910710239A CN 110318785 A CN110318785 A CN 110318785A
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- steelframe
- arch
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- sleeve
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- 238000010276 construction Methods 0.000 title claims abstract description 64
- 230000005641 tunneling Effects 0.000 title claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 251
- 239000010959 steel Substances 0.000 claims abstract description 251
- 239000003351 stiffener Substances 0.000 claims description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 34
- 230000002787 reinforcement Effects 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 210000003205 muscle Anatomy 0.000 claims description 16
- 238000009417 prefabrication Methods 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 7
- 230000032258 transport Effects 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 4
- 238000011112 process operation Methods 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 9
- 230000003247 decreasing effect Effects 0.000 abstract description 6
- 230000003313 weakening effect Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 22
- 238000000034 method Methods 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- XEEYBQQBJWHFJM-OUBTZVSYSA-N iron-52 Chemical compound [57Fe] XEEYBQQBJWHFJM-OUBTZVSYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/20—Special cross- sections, e.g. corrugated
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/24—Knuckle joints or links between arch members
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of steelframe and its construction method based on tunnel machine full face tunneling, the steelframe includes arch grid steel frame unit and the side grid steel frame unit positioned at its both ends, the arch grid steel frame unit and the side grid steel frame unit are hinged, and the integral structure that is prefabricated in the factory.From loading angle, steelframe of the present invention, steelframe unit and jointing quantity is greatly decreased, the weakening to steelframe entirety stress intensity is utmostly reduced to the greatest extent, it ensure that steelframe supporting intensity, steelframe forms entirety, positioning difficulty is low after lifting, it is high-efficient, the direct integral lifting steelframe of trolley can be installed by multi-arm steelframe, do mechanization operation, reduce construction worker's quantity, improve working security, construction personnel's operating environment is good, human cost and labor intensity are saved, the single process operation time can substantially be shortened, tunnel just branch construction operation progress is accelerated on the whole, economic benefit is obvious, construction cost is saved.
Description
Technical field
The present invention relates to constructing tunnel field, in particular to a kind of steelframe based on tunnel machine full face tunneling and its
Construction method.
Background technique
Currently, China express railway mountain tunnel uses composite lining supporting construction substantially, that is, include preliminary bracing with
Secondary lining, this is a kind of effective method for protecting support to be grown up based on New Austrian Tunneling Method.Wherein, preliminary bracing structure was being constructed
It is particularly important in journey, construction safety is directly influenced, shot anchor net composite structure form is generally used, is set in IV, V grades of country rock locations
Set grid steel frame or profile steel frame strengthening supporting.But in conventional tunnel construction process, it is limited to theory, technology, technique, equipment
It influences, mostly uses artificial multi-step branch construction greatly, i.e., tunnel cross-section is divided into multiple portions, multiple steps are opened
It digs, supporting, when construction excavates a part of supporting a part.Manual work is generally used when installing preliminary bracing steelframe, i.e., will
Tunnel domain steelframe is divided into multiple units, and each unit connects into an entirety using connector, and connector is generally by steel plate and bolt
Composition.
Currently, since steelframe weight is larger, labor intensive limits when manually installed when tunnel steelframe is installed, it has to
Domain steelframe is divided into multiple units, general arch wall steelframe is divided into 7 units or more, and each unit is applied using manual work
Work.
1, from loading angle, steelframe unit and connection structure are excessive, destroy the globality of steelframe, weaken the branch of steelframe
Intensity is protected, easily deforms at connection structure and even destroys.
2, when steelframe is installed, since weight is larger, it usually needs multiple operating personnels operation together, operating environment is very poor,
Construction safety is difficult to ensure.
Although current rare occasion tests steelframe erecting bed vehicle mechanization construction operation, i.e., using multiple mechanical arms point
Each steelframe unit connection structure is aligned by not independent lifting steelframe unit by positioning system, then operating personnel is lifted and is carried out
Joint is bolted, to complete the consolidation service of domain steelframe.But the construction method is high to the required precision of mechanical execution, leads
Cause construction efficiency low, the single process operation time is longer, and economy is poor, and higher cost, can not play the excellent of mechanized construction
Gesture.
Summary of the invention
It is an object of the invention to overcome the constructing tunnel preliminary bracing steelframe in the presence of the prior art to pass through mechanical arm
Cooperate manually installed, the required precision of construction is high, and construction efficiency is low, and single activity time is longer, and economy is poor, higher cost
Above-mentioned deficiency provides a kind of steelframe and its construction method based on tunnel machine full face tunneling.
In order to achieve the above-mentioned object of the invention, the present invention provides following technical schemes:
A kind of steelframe based on tunnel machine full face tunneling, including arch grid steel frame unit and positioned at its both ends
Side grid steel frame unit, the arch grid steel frame unit and the integral knot of the side grid steel frame unit prefabrication
Structure；
The arch grid steel frame unit end is equipped with the first junction steel plate, first junction steel plate connect several the
One grid main reinforcement connects a first U-shaped muscle, each first U-shaped muscle bottom between the two neighboring first grid main reinforcement
Portion is connected to first junction steel plate；
One end of the side grid steel frame unit is equipped with the second junction steel plate, and second junction steel plate connects several
Second grid main reinforcement connects a second U-shaped muscle, each second U-shaped muscle between the two neighboring second grid main reinforcement
Bottom is connected to second junction steel plate；
It further include hinge member and locking member, the hinge member is connected to first junction steel plate and described second
Junction steel plate, the locking after the locking member is abutted for first junction steel plate and second junction steel plate rotation connect
It connects, the side grid steel frame unit can rotate 0 ° to 150 ° towards arch inside relative to the arch grid steel frame unit.
From loading angle, steel is greatly decreased in a kind of steelframe based on tunnel machine full face tunneling of the present invention
Frame unit and jointing quantity utmostly reduce to the greatest extent the weakening to steelframe entirety stress intensity, ensure that steelframe supporting is strong
Degree, steelframe form entirety, and positioning difficulty is low, high-efficient after lifting, can install the direct integral lifting of trolley by multi-arm steelframe
Steelframe, do mechanization operation reduce construction worker's quantity, improve working security, and construction personnel's operating environment is good,
Human cost and labor intensity have been saved, the single process operation time can be substantially shortened, tunnel just branch construction has been accelerated on the whole and makees
Industry progress, economic benefit is obvious, has saved construction cost.
Preferably, the length of the arch grid steel frame unit is equal to the length of the side grid steel frame unit.
Preferably, the first grid main reinforcement is welded in first junction steel plate.
Preferably, the described first U-shaped muscle is respectively welded in the first grid main reinforcement and first junction steel plate.
Preferably, the second grid main reinforcement is welded in second junction steel plate.
Preferably, the described second U-shaped muscle is respectively welded in the second grid main reinforcement and second junction steel plate.
Preferably, the thickness of first junction steel plate is more than or equal to 1cm.
Preferably, the thickness of second junction steel plate is more than or equal to 1cm.
Preferably, the thickness of first junction steel plate is equal to the thickness of second junction steel plate.
Preferably, the hinge member includes first sleeve and second sleeve, and the both ends of the second sleeve are aligned respectively
If being equipped with shaft in the first sleeve and the second sleeve there are two the first sleeve, the first sleeve is connected to
First junction steel plate, the second sleeve are connected to second junction steel plate, and the hinge member is located at arch inside, i.e.,
Lining cutting side is leaned on positioned at the steelframe.
It is further preferred that the total length of the first sleeve and the second sleeve is more than or equal to 5cm.
It is further preferred that the caliber size of the first sleeve and the second sleeve is that first junction steel plate is thick
2-4 times of degree or the second junction steel plate thickness.
It is further preferred that the first sleeve length is LA, the second sleeve length is LB, and LA< LB< 2LA。
It is further preferred that the shaft includes connecting screw and the nut and gasket that are adapted to it, the second sleeve
Two gaskets are respectively set in the both ends of the sleeve formed with two first sleeves.
It is further preferred that the first sleeve is welded in first junction steel plate.
It is further preferred that the second sleeve is welded in second junction steel plate.
It is further preferred that being equipped with first sleeve ribbed stiffener, institute between the first sleeve and first junction steel plate
It states and is equipped with second sleeve ribbed stiffener between second sleeve and second junction steel plate.
It is further preferred that the first sleeve ribbed stiffener is respectively welded in the first sleeve and the first connection steel
Plate.
It is further preferred that the second sleeve ribbed stiffener is respectively welded in the second sleeve and the second connection steel
Plate.
Preferably, the locking member includes several bolts and the nut that is adapted to it.
It is further preferred that several first through hole are uniformly provided on first junction steel plate, the second connection steel
Plate is equipped with the second through-hole being adapted to the first through hole, and first junction steel plate and second junction steel plate rotation are supported
After connecing, the bolt passes through the first through hole and second through-hole and by the nut check.
It is further preferred that the bolt is high-strength bolt.
The present invention also provides a kind of steelframes based on tunnel machine full face tunneling, including arch profile steel frame unit
With the side profile steel frame unit for being located at its both ends, the arch profile steel frame unit and the side profile steel frame unit factory
It is prefabricated into overall structure；
The arch profile steel frame unit end is equipped with third junction steel plate, and the third junction steel plate connects the first type
Steel, the two sides of the first fashioned iron length direction are connected separately with the first ribbed stiffener, each first ribbed stiffener bottom connection
In the third junction steel plate；
One end of the side profile steel frame unit is equipped with the 4th junction steel plate, and the 4th junction steel plate connects second type
Steel, the two sides of the second fashioned iron length direction are connected separately with the second ribbed stiffener, each second ribbed stiffener bottom connection
In the 4th junction steel plate；
It further include hinge member and locking member, the hinge member is connected to the third junction steel plate and the described 4th
Junction steel plate, the locking after the locking member is abutted for the third junction steel plate and the 4th junction steel plate rotation connect
It connects, the side profile steel frame unit can rotate 0 ° to 150 ° towards arch inside relative to the arch profile steel frame unit.
From loading angle, steel is greatly decreased in a kind of steelframe based on tunnel machine full face tunneling of the present invention
Frame unit and jointing quantity utmostly reduce to the greatest extent the weakening to steelframe entirety stress intensity, ensure that steelframe supporting is strong
Degree, steelframe form entirety, and positioning difficulty is low, high-efficient after lifting, can install the direct integral lifting of trolley by multi-arm steelframe
Steelframe, do mechanization operation reduce construction worker's quantity, improve working security, and construction personnel's operating environment is good,
Human cost and labor intensity have been saved, the single process operation time can be substantially shortened, tunnel just branch construction has been accelerated on the whole and makees
Industry progress, economic benefit is obvious, has saved construction cost.
Preferably, the length of the arch profile steel frame unit is equal to the side profile steel frame unit.
Preferably, first fashioned iron is welded in the third junction steel plate.
Preferably, first ribbed stiffener is respectively welded in first fashioned iron and the third junction steel plate.
Preferably, second fashioned iron is welded in the 4th junction steel plate.
Preferably, second ribbed stiffener is respectively welded in second fashioned iron and the 4th junction steel plate.
Preferably, first ribbed stiffener and second ribbed stiffener are angle steel.
Preferably, the thickness of the third junction steel plate is more than or equal to 1cm.
Preferably, the thickness of the 4th junction steel plate is more than or equal to 1cm.
Preferably, the thickness of the third junction steel plate is equal to the thickness of the 4th junction steel plate.
Preferably, the hinge member includes first sleeve and second sleeve, and the both ends of the second sleeve are aligned respectively
If being equipped with shaft in the first sleeve and the second sleeve there are two the first sleeve, the first sleeve is connected to
The third junction steel plate, the second sleeve are connected to the 4th junction steel plate, and the hinge member is located at arch inside, i.e.,
Lining cutting side is leaned on positioned at the steelframe.
It is further preferred that the total length of the first sleeve and the second sleeve is more than or equal to 5cm.
It is further preferred that the caliber size of the first sleeve and the second sleeve is that the third junction steel plate is thick
2-4 times of degree or the 4th junction steel plate thickness.
It is further preferred that the first sleeve length is LA, the second sleeve length is LB, and LA< LB< 2LA。
It is further preferred that the shaft includes connecting screw and the nut and gasket that are adapted to it, the second sleeve
Two gaskets are respectively set in the both ends of the sleeve formed with two first sleeves.
It is further preferred that the first sleeve is welded in the third junction steel plate.
It is further preferred that the second sleeve is welded in the 4th junction steel plate.
It is further preferred that being equipped with first sleeve ribbed stiffener, institute between the first sleeve and the third junction steel plate
It states and is equipped with second sleeve ribbed stiffener between second sleeve and the 4th junction steel plate.
It is further preferred that the first sleeve ribbed stiffener is respectively welded and connects steel with the third in the first sleeve
Plate.
It is further preferred that the second sleeve ribbed stiffener is respectively welded in the second sleeve and the 4th connection steel
Plate.
Preferably, the locking member includes several bolts and the nut that is adapted to it.
It is further preferred that the third junction steel plate is uniformly provided with several third through-holes, the 4th junction steel plate
It is equipped with the fourth hole being adapted to the third through-hole, the third junction steel plate and the 4th junction steel plate rotation abut
Afterwards, the bolt passes through the third through-hole and the fourth hole and by the nut check.
It is further preferred that the bolt is high-strength bolt.
The present invention also provides a kind of construction methods of steelframe based on tunnel machine full face tunneling, including following step
It is rapid:
A, prefabrication arch steelframe unit and the side steelframe unit positioned at its both ends, the arch steelframe unit end
Arch on the inside of be equipped with hinge member, the hinge member connects one end of the side steelframe unit, the side steelframe unit
It can be relative to the arch steelframe unit towards 0 ° to 150 ° of arch inside rotation, wherein the arch steelframe unit and the side at 0 °
Portion's steelframe unit end part aligning simultaneously abuts, and the arch steelframe unit and the side steelframe unit pass through sticking department when going to 0 °
Part checks whether the arch steelframe unit and side steelframe unit locking connection to reach design profile requirement；
B, two side steelframe units are turned folding along the hinge member to arch inside, reduce space occupied,
Two side steelframe unit infalls are detachably fixed；
C, it transports at the steelframe to the face of full face tunneling；
D, release and fix, the side steelframe unit rotational of folding is unfolded, make the side steelframe unit center of gravity with
The line of junction is parallel with tunnel middle line, reduces shaking when lifting；
E, the vault of steelframe unit in arch described in snatch is shored the side steelframe unit snatch and gradually and designs area
Domain is aligned the arch steelframe unit and the side steelframe unit；
F, the arch steelframe unit and the opposite locking of the side steelframe unit are made described using the locking member
Arch steelframe unit and the side steelframe unit form an entirety and carry out stress.
Wherein, when the arch steelframe unit is arch grid steel frame unit, the side steelframe unit be side grid
Steelframe unit, when the arch steelframe unit is arch profile steel frame unit, the side steelframe unit is side profile steel frame
Unit.
A kind of construction method of steelframe based on tunnel machine full face tunneling of the present invention, factory are integrally pre-
System, between arch steelframe unit and side steelframe unit can folding convenient transport, side steelframe unit rotational expansion expire weight
The heart is parallel with tunnel middle line with the line of junction, reduces lifting and shakes, and guarantees lifting safety, installs trolley by multi-arm steelframe
Direct integral lifting locating steel frame, do mechanization operation is high-efficient, reduces construction worker's quantity, improves construction safety
Property, construction personnel's operating environment is good, has saved human cost and labor intensity, can substantially shorten the single process operation time, whole
Tunnel just branch construction operation progress is accelerated on body, economic benefit is obvious, has saved construction cost.
Preferably, in the step E, trolley is installed using multi-arm steelframe, is encircleed using described in one of mechanical arm snatch
The vault of portion's steelframe unit respectively utilizes a mechanical arm by the side steelframe unit snatch and gradually shores design section.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, from loading angle, a kind of steelframe based on tunnel machine full face tunneling of the present invention is greatly decreased
Steelframe unit and jointing quantity utmostly reduce to the greatest extent the weakening to steelframe entirety stress intensity, ensure that steelframe supporting
Intensity, steelframe form entirety, and positioning difficulty is low, high-efficient after lifting, can install trolley by multi-arm steelframe and directly integrally lift
Steelframe is risen, do mechanization operation reduces construction worker's quantity, improves working security, and construction personnel's operating environment is good
It is good, human cost and labor intensity have been saved, the single process operation time can be substantially shortened, has accelerated tunnel just branch construction on the whole
Job scheduling, economic benefit is obvious, has saved construction cost；
2, a kind of construction method of steelframe based on tunnel machine full face tunneling of the present invention, factory are integrally pre-
System, between arch steelframe unit and side steelframe unit can folding convenient transport, side steelframe unit rotational expansion expire weight
The heart is parallel with tunnel middle line with the line of junction, reduces lifting and shakes, and guarantees lifting safety, installs trolley by multi-arm steelframe
Direct integral lifting locating steel frame, do mechanization operation is high-efficient, reduces construction worker's quantity, improves construction safety
Property, construction personnel's operating environment is good, has saved human cost and labor intensity, can substantially shorten the single process operation time, whole
Tunnel just branch construction operation progress is accelerated on body, economic benefit is obvious, has saved construction cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of steelframe described in embodiment 1；
Fig. 2 is the structural schematic diagram of arch grid steel frame unit and side grid steel frame unit in embodiment 1；
Fig. 3 is the connection schematic diagram of arch grid steel frame unit and side grid steel frame unit in embodiment 1；
Fig. 4 is the rotation schematic diagram of arch grid steel frame unit and side grid steel frame unit in embodiment 1；
Fig. 5 is the planar structure schematic diagram of arch grid steel frame unit in embodiment 1；
Fig. 6 is the planar structure schematic diagram of side grid steel frame unit in embodiment 1；
Fig. 7 is the structural schematic diagram of shaft in embodiment 1；
Fig. 8 is the connection schematic diagram of first sleeve and second sleeve in embodiment 1；
Fig. 9 is the structural schematic diagram of steelframe as described in example 2；
Figure 10 is the structural schematic diagram of arch profile steel frame unit and side profile steel frame unit in embodiment 2；
Figure 11 is the connection schematic diagram of arch profile steel frame unit and side profile steel frame unit in embodiment 2；
Figure 12 is the rotation schematic diagram of arch profile steel frame unit and side profile steel frame unit in embodiment 2；
Figure 13 is the planar structure schematic diagram of arch profile steel frame unit in embodiment 2；
Figure 14 is the planar structure schematic diagram of side profile steel frame unit in embodiment 2；
Figure 15 is the structural schematic diagram of shaft in embodiment 2；
Figure 16 is the connection schematic diagram of first sleeve and second sleeve in embodiment 2；
Figure 17 is the structural schematic diagram that arch steelframe unit and side steelframe unit fold in embodiment 3；
Figure 18 is the structural schematic diagram of arch steelframe unit and the expansion of side steelframe unit in embodiment 3；
Figure 19 is the structural schematic diagram that arch steelframe unit and side steelframe unit shore connection in embodiment 3；
Figure 20 is the structural schematic diagram that arch steelframe unit and side steelframe unit fold in embodiment 4；
Figure 21 is the structural schematic diagram of arch steelframe unit and the expansion of side steelframe unit in embodiment 4；
Figure 22 is the structural schematic diagram that arch steelframe unit and side steelframe unit shore connection in embodiment 4.
Marked in the figure: the arch 1- grid steel frame unit, the first junction steel plate of 11-, 12- the first grid main reinforcement, the first U of 13-
Type muscle, the side 2- grid steel frame unit, the second junction steel plate of 21-, 22- the second grid main reinforcement, the U-shaped muscle of 23- second, the articulated section 3-
Part, 31- first sleeve, 32- second sleeve, 33- shaft, 34- first sleeve ribbed stiffener, 35- second sleeve ribbed stiffener, 4- locking
Component, the arch 5- profile steel frame unit, 51- third junction steel plate, the first fashioned iron of 52-, the first ribbed stiffener of 53-, the side 6- fashioned iron
Steelframe unit, the 4th junction steel plate of 61-, the second fashioned iron of 62-, the second ribbed stiffener of 63-, the arch 7- steelframe unit, the side 8- steelframe
Unit.
Specific embodiment
Below with reference to test example and specific embodiment, the present invention is described in further detail.But this should not be understood
It is all that this is belonged to based on the technology that the content of present invention is realized for the scope of the above subject matter of the present invention is limited to the following embodiments
The range of invention.
Embodiment 1
As shown in figures 1-8, a kind of steelframe based on tunnel machine full face tunneling of the present invention, including arch lattice
Grid steelframe unit 1 and side grid steel frame unit 2 and hinge member 3 and locking member 4 positioned at its both ends, the arch
The 2 integral structure of prefabrication of grid steel frame unit 1 and the side grid steel frame unit, the arch grid steel frame unit 1
Length be equal to the side grid steel frame unit 2 length；
As in Figure 2-4,1 end of arch grid steel frame unit is equipped with the first junction steel plate 11, as shown in figure 5, institute
The welding of the first junction steel plate 11 is stated there are four the first grid main reinforcement 12, welds one between the two neighboring first grid main reinforcement 12
A first U-shaped muscle 13, each first U-shaped 13 bottom of muscle are welded in first junction steel plate 11, specifically, described first
The thickness of junction steel plate 11 is equal to 1cm；
As in Figure 2-4, one end of the side grid steel frame unit 2 is equipped with the second junction steel plate 21, as shown in fig. 6,
Second junction steel plate 21 welding is welded between the two neighboring second grid main reinforcement 22 there are four the second grid main reinforcement 22
One the second U-shaped muscle 23, each second U-shaped 23 bottom of muscle are welded in second junction steel plate 21, specifically, described
The thickness of two junction steel plates 21 is equal to the thickness of first junction steel plate 11；
As illustrated in figs. 2 through 8, the hinge member 3 is connected to first junction steel plate 11 and second junction steel plate
21, the hinge member 3 includes first sleeve 31 and second sleeve 32, and the both ends of the second sleeve 32 are aligned respectively is equipped with two
A first sleeve 31, shaft 33 is equipped in the first sleeve 31 and the second sleeve 32, and the first sleeve 31 is welded
It is connected to first junction steel plate 11, the second sleeve 32 is welded in second junction steel plate 21, the hinge member 3
In arch inside, that is, it is located at the steelframe and leans on lining cutting side；The total length of the first sleeve 31 and the second sleeve 32 be greater than or
Person is equal to 5cm, and 31 length of first sleeve is LA, 32 length of second sleeve is LB, and LA< LB< 2LA, described first
Sleeve 31 and the caliber size of the second sleeve 32 are 11 thickness of the first junction steel plate or second junction steel plate
2 times of 21 thickness；It is equipped with first sleeve ribbed stiffener 34 between the first sleeve 31 and first junction steel plate 11, described the
Second sleeve ribbed stiffener 35 is equipped between two sleeves 32 and second junction steel plate 21, the first sleeve ribbed stiffener 34 is distinguished
It is welded in the first sleeve 31 and first junction steel plate 11, the second sleeve ribbed stiffener 35 is respectively welded in described
Two sleeves 32 and second junction steel plate 21；Specifically, the shaft 33 include connecting screw and the nut that is adapted to it and
Two gaskets are respectively set in the both ends for the sleeve that gasket, the second sleeve 32 and two first sleeves 31 are formed.
As illustrated in figs. 2 through 8, the locking member 4 is used for 21 turns of first junction steel plate 11 and second junction steel plate
It is dynamic abut after locking connection, the side grid steel frame unit 2 can the relatively described arch grid steel frame unit 1 towards arch inside
0 ° to 150 ° of rotation, specifically, the locking member 4 include several bolts and the nut being adapted to it, first connection
It is uniformly provided with several first through hole on steel plate 11, second junction steel plate 21 is equipped with the be adapted to the first through hole
After two through-holes, first junction steel plate 11 and second junction steel plate 21 rotation abut, the bolt passes through described first
Through-hole and second through-hole and by the nut check, the bolt is high-strength bolt.
From loading angle, steel is greatly decreased in a kind of steelframe based on tunnel machine full face tunneling of the present invention
Frame unit and jointing quantity utmostly reduce to the greatest extent the weakening to steelframe entirety stress intensity, ensure that steelframe supporting is strong
Degree, steelframe form entirety, and positioning difficulty is low, high-efficient after lifting, can install the direct integral lifting of trolley by multi-arm steelframe
Steelframe, do mechanization operation reduce construction worker's quantity, improve working security, and construction personnel's operating environment is good,
Human cost and labor intensity have been saved, the single process operation time can be substantially shortened, tunnel just branch construction has been accelerated on the whole and makees
Industry progress, economic benefit is obvious, has saved construction cost.
Embodiment 2
As shown in figures 9 to 16, a kind of steelframe based on tunnel machine full face tunneling of the present invention, including arch
Profile steel frame unit 5 and side profile steel frame unit 6 and hinge member 3 and locking member 4 positioned at its both ends, the arch
The 6 integral structure of prefabrication of portion's profile steel frame unit 5 and the side profile steel frame unit, the arch profile steel frame unit
5 length is equal to the side profile steel frame unit 6；
As shown in figs. 10-12,5 end of arch profile steel frame unit is equipped with third junction steel plate 51, and the third connects
It connects steel plate 51 and welds the first fashioned iron 52, the two sides of 52 length direction of the first fashioned iron are respectively welded the first ribbed stiffener 53, often
A first ribbed stiffener, 53 bottom is welded in the third junction steel plate 51, and first ribbed stiffener 53 is angle steel, and described the
The thickness of three junction steel plates 51 is equal to 1cm；
As shown in figs. 10-12, one end of the side profile steel frame unit 6 be equipped with the 4th junction steel plate 61, the described 4th
Junction steel plate 61 welds the second fashioned iron 62, and the two sides of 62 length direction of the second fashioned iron are respectively welded the second ribbed stiffener 63,
Each second ribbed stiffener, 63 bottom is welded in the 4th junction steel plate 61, and second ribbed stiffener 63 is angle steel, described
The thickness of 4th junction steel plate 61 is equal to the thickness of the third junction steel plate 51；
As shown in Figure 10-16, the hinge member 3 is connected to the third junction steel plate 51 and the 4th junction steel plate
61, the hinge member 3 includes first sleeve 31 and second sleeve 32, and the both ends of the second sleeve 32 are aligned respectively is equipped with two
A first sleeve 31, shaft 33 is equipped in the first sleeve 31 and the second sleeve 32, and the first sleeve 31 is welded
It is connected to the third junction steel plate 51, the second sleeve 32 is welded in the 4th junction steel plate 61, the hinge member 3
In arch inside, that is, it is located at the steelframe and leans on lining cutting side；The total length of the first sleeve 31 and the second sleeve 32 be greater than or
Person is equal to 5cm, and 31 length of first sleeve is LA, 32 length of second sleeve is LB, and LA< LB< 2LA, described first
Sleeve 31 and the caliber size of the second sleeve 32 are 51 thickness of third junction steel plate or the 4th junction steel plate
2 times of 61 thickness；It is equipped with first sleeve ribbed stiffener 34 between the first sleeve 31 and first junction steel plate 11, described the
Second sleeve ribbed stiffener 35 is equipped between two sleeves 32 and second junction steel plate 21, the first sleeve ribbed stiffener 34 is distinguished
It is welded in the first sleeve 31 and the third junction steel plate 51, the second sleeve ribbed stiffener 35 is respectively welded in described
Two sleeves 32 and the 4th junction steel plate 61；Specifically, the shaft 33 include connecting screw and the nut that is adapted to it and
Two gaskets are respectively set in the both ends for the sleeve that gasket, the second sleeve 32 and two first sleeves 31 are formed.
As shown in Figure 10-16, the locking member 4 is used for the third junction steel plate 51 and the 4th junction steel plate 61
Rotation abut after locking connection, the side profile steel frame unit 6 can the relatively described arch profile steel frame unit 5 towards in arch
Side rotates 0 ° to 150 °, and specifically, the locking member 4 includes several bolts and the nut being adapted to it, and the third connects
It connects steel plate 51 and is uniformly provided with several third through-holes, the 4th junction steel plate 61 is equipped with the be adapted to the third through-hole
After four through-holes, the third junction steel plate 51 and the 4th junction steel plate 61 rotation abut, the bolt passes through the third
Through-hole and the fourth hole and by the nut check, the bolt is high-strength bolt.
From loading angle, steel is greatly decreased in a kind of steelframe based on tunnel machine full face tunneling of the present invention
Frame unit and jointing quantity utmostly reduce to the greatest extent the weakening to steelframe entirety stress intensity, ensure that steelframe supporting is strong
Degree, steelframe form entirety, and positioning difficulty is low, high-efficient after lifting, can install the direct integral lifting of trolley by multi-arm steelframe
Steelframe, do mechanization operation reduce construction worker's quantity, improve working security, and construction personnel's operating environment is good,
Human cost and labor intensity have been saved, the single process operation time can be substantially shortened, tunnel just branch construction has been accelerated on the whole and makees
Industry progress, economic benefit is obvious, has saved construction cost.
Embodiment 3
As in figs. 17-19, the construction party of a kind of steelframe based on tunnel machine full face tunneling of the present invention
Method, comprising the following steps:
A, prefabrication arch steelframe unit 7 and the side steelframe unit 8 positioned at its both ends, wherein the arch steelframe
Unit 7 is using arch grid steel frame unit 1 as described in Example 1, the side steelframe unit 8 using as described in Example 1
Side grid steel frame unit 2；
Hinge member 3 is equipped on the inside of the arch of 7 end of arch steelframe unit, the hinge member 3 connects the side
One end of steelframe unit 8, the side steelframe unit 8 can rotate 0 ° extremely towards arch inside relative to the arch steelframe unit 7
150 °, wherein the arch steelframe unit 7 and 8 end part aligning of side steelframe unit and abutting, the arch steelframe at 0 °
Unit 7 and the side steelframe unit 8 pass through locking member 4 for the arch steelframe unit 7 and the side steel when going to 0 °
The locking connection of frame unit 8 checks whether to reach design profile requirement；
B, as shown in figure 17, two side steelframe units 8 are turned folding along the hinge member 3 to arch inside,
Space occupied is reduced, two 8 infalls of side steelframe unit are fixed with reinforced-bar binding, prevent the side steelframe unit
8 move freely, and specifically, the bar diameter is 6-8mm；
C, it transports at the steelframe to the face of full face tunneling, unloads the steelframe；
D, it as shown in figure 18, releases reinforced-bar binding to fix, the side steelframe unit 8 of folding is rotated into expansion, makes institute
State the shaking that steelframe unit 8 center of gravity A in side is parallel with tunnel middle line with the line of junction, when reduction is lifted by crane；
E, trolley as shown in figure 19, is installed using multi-arm steelframe, utilizes arch steelframe described in one of mechanical arm snatch
The vault of unit 7 respectively utilizes side steelframe unit 8 described in a mechanical arm snatch, such as the area C in Figure 19 such as B area in Figure 19
Domain, and the side steelframe unit 8 is gradually shored to design section, make the arch steelframe unit 7 and the side steelframe list
Member 8 is aligned；
F, the arch steelframe unit 7 and the opposite locking of the side steelframe unit 8 are made using the locking member 4
The arch steelframe unit 7 and the side steelframe unit 8 form an entirety and carry out stress.
With a kind of construction method of the steelframe based on tunnel machine full face tunneling of the present invention, factory is whole
It is prefabricated, between arch steelframe unit 7 and side steelframe unit 8 can folding convenient transport, side steelframe unit 8 rotation be deployed into
Phase center of gravity is parallel with tunnel middle line with the line of junction, reduces lifting and shakes, and guarantees lifting safety, is installed by multi-arm steelframe
The direct integral lifting locating steel frame of trolley, do mechanization operation is high-efficient, reduces construction worker's quantity, improves construction
Safety, construction personnel's operating environment is good, has saved human cost and labor intensity, when can substantially shorten single process operation
Between, tunnel just branch construction operation progress is accelerated on the whole, and economic benefit is obvious, has saved construction cost.
Embodiment 4
As illustrated in figs 20-22, the construction party of a kind of steelframe based on tunnel machine full face tunneling of the present invention
Method the difference is that, is used as described in Example 2 in the present embodiment using the arch steelframe unit 7 with embodiment 3
Arch profile steel frame unit 5, the side steelframe unit 8 use side profile steel frame unit 6 as described in Example 2.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of steelframe based on tunnel machine full face tunneling, which is characterized in that including arch grid steel frame unit (1) and
Side grid steel frame unit (2) positioned at its both ends, the arch grid steel frame unit (1) and the side grid steel frame unit
(2) the integral structure of prefabrication；
The arch grid steel frame unit (1) end is equipped with the first junction steel plate (11), the first junction steel plate (11) connection
Several the first grid main reinforcements (12) connect a first U-shaped muscle (13) between the two neighboring first grid main reinforcement (12),
Each first U-shaped muscle (13) bottom is connected to first junction steel plate (11)；
One end of the side grid steel frame unit (2) is equipped with the second junction steel plate (21), and second junction steel plate (21) is even
Several the second grid main reinforcements (22) are connect, connect a second U-shaped muscle between the two neighboring second grid main reinforcement (22)
(23), each second U-shaped muscle (23) bottom is connected to second junction steel plate (21)；
It further include hinge member (3) and locking member (4), the hinge member (3) is connected to first junction steel plate (11)
With second junction steel plate (21), the locking member (4) is for first junction steel plate (11) and second connection
Locking after steel plate (21) rotation abuts connects, and the side grid steel frame unit (2) being capable of the relatively described arch grid steel frame
Unit (1) rotates 0 ° to 150 ° towards arch inside.
2. steelframe according to claim 1, which is characterized in that the hinge member (3) includes first sleeve (31) and
Two sleeves (32), the both ends of the second sleeve (32) are aligned respectively to be set there are two the first sleeve (31), the first set
Shaft (33) are equipped in cylinder (31) and the second sleeve (32), the first sleeve (31) is connected to first junction steel plate
(11), the second sleeve (32) is connected to second junction steel plate (21), and the hinge member (3) is located at arch inside.
3. steelframe according to claim 2, which is characterized in that the first sleeve (31) and first junction steel plate
(11) first sleeve ribbed stiffener (34) are equipped between, are equipped between the second sleeve (32) and second junction steel plate (21)
Second sleeve ribbed stiffener (35).
4. steelframe according to claim 1-3, which is characterized in that the locking member (4) includes several spiral shells
Bolt and the nut being adapted to it.
5. a kind of steelframe based on tunnel machine full face tunneling, which is characterized in that including arch profile steel frame unit (5) and
Side profile steel frame unit (6) positioned at its both ends, the arch profile steel frame unit (5) and the side profile steel frame unit
(6) the integral structure of prefabrication；
The arch profile steel frame unit (5) end is equipped with third junction steel plate (51), third junction steel plate (51) connection
The two sides of first fashioned iron (52), the first fashioned iron (52) length direction are connected separately with the first ribbed stiffener (53), each described
First ribbed stiffener (53) bottom is connected to the third junction steel plate (51)；
One end of the side profile steel frame unit (6) is equipped with the 4th junction steel plate (61), and the 4th junction steel plate (61) is even
It connects the second fashioned iron (62), the two sides of the second fashioned iron (62) length direction are connected separately with the second ribbed stiffener (63), Mei Gesuo
It states the second ribbed stiffener (63) bottom and is connected to the 4th junction steel plate (61)；
It further include hinge member (3) and locking member (4), the hinge member (3) is connected to the third junction steel plate (51)
With the 4th junction steel plate (61), the locking member (4) is for the third junction steel plate (51) and the 4th connection
Locking after steel plate (61) rotation abuts connects, and the side profile steel frame unit (6) being capable of the relatively described arch profile steel frame
Unit (5) rotates 0 ° to 150 ° towards arch inside.
6. steelframe according to claim 5, which is characterized in that the hinge member (3) includes first sleeve (31) and
Two sleeves (32), the both ends of the second sleeve (32) are aligned respectively to be set there are two the first sleeve (31), the first set
Shaft (33) are equipped in cylinder (31) and the second sleeve (32), the first sleeve (31) is connected to the third junction steel plate
(51), the second sleeve (32) is connected to the 4th junction steel plate (61), and the hinge member (3) is located at arch inside.
7. steelframe according to claim 6, which is characterized in that the first sleeve (31) and the third junction steel plate
(51) first sleeve ribbed stiffener (34) are equipped between, are equipped between the second sleeve (32) and the 4th junction steel plate (61)
Second sleeve ribbed stiffener (35).
8. according to the described in any item steelframes of claim 5-7, which is characterized in that the locking member (4) includes several spiral shells
Bolt and the nut being adapted to it.
9. a kind of construction method of the steelframe based on tunnel machine full face tunneling, which comprises the following steps:
A, prefabrication arch steelframe unit (7) and the side steelframe unit (8) positioned at its both ends, the arch steelframe unit
(7) hinge member (3) being equipped on the inside of the arch of end, the hinge member (3) connects one end of the side steelframe unit (8),
The side steelframe unit (8) can relative to the arch steelframe unit (7) towards arch inside rotation 0 ° to 150 °, wherein 0 ° when institute
It states arch steelframe unit (7) and side steelframe unit (8) end part aligning and abuts, the arch steelframe unit (7) and institute
It states when side steelframe unit (8) goes to 0 ° and passes through locking member (4) for the arch steelframe unit (7) and the side steelframe list
First (8) locking connection；
B, two side steelframe units (8) are turned folding along the hinge member (3) to arch inside, it is empty reduces land occupation
Between, two side steelframe unit (8) infalls are detachably fixed；
C, it transports at the steelframe to the face of full face tunneling；
D, it releases and fixes, the side steelframe unit (8) of folding is rotated into expansion, makes side steelframe unit (8) center of gravity
It is parallel with tunnel middle line with the line of junction；
E, the vault of arch steelframe unit (7) described in snatch by side steelframe unit (8) snatch and gradually shores design
Region is aligned the arch steelframe unit (7) and the side steelframe unit (8)；
F, the arch steelframe unit (7) and the side steelframe unit (8) are locked relatively using the locking member (4),
Form the arch steelframe unit (7) and the side steelframe unit (8) whole.
Wherein, when the arch steelframe unit (7) is arch grid steel frame unit (1), the side steelframe unit (8) be side
Grid steel frame unit (2), when the arch steelframe unit (7) is arch profile steel frame unit (5), the side steelframe unit
It (8) is side profile steel frame unit (6).
10. construction method according to claim 9, which is characterized in that in the step E, using multi-arm steelframe erecting bed
Vehicle respectively utilizes a mechanical arm by the side using the vault of arch steelframe unit (7) described in one of mechanical arm snatch
(8) snatch of steelframe unit simultaneously gradually shores design section.
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| CN201910710239.0A CN110318785A (en) | 2019-08-01 | 2019-08-01 | A kind of steelframe and its construction method based on tunnel machine full face tunneling |
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| CN201910710239.0A CN110318785A (en) | 2019-08-01 | 2019-08-01 | A kind of steelframe and its construction method based on tunnel machine full face tunneling |
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| CN111075475A (en) * | 2019-12-31 | 2020-04-28 | 浙江正方交通建设有限公司 | Weak surrounding rock tunnel supporting steel frame and construction method |
| CN112983494A (en) * | 2021-04-02 | 2021-06-18 | 中国铁建重工集团股份有限公司 | Arch and arch are folding with hinge structure |
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