CN108979678A - Allow pressure can contracting formula steelframe and connection method based on the multistage that constant-resistance sliding eye cuts damage - Google Patents
Allow pressure can contracting formula steelframe and connection method based on the multistage that constant-resistance sliding eye cuts damage Download PDFInfo
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- CN108979678A CN108979678A CN201811151328.8A CN201811151328A CN108979678A CN 108979678 A CN108979678 A CN 108979678A CN 201811151328 A CN201811151328 A CN 201811151328A CN 108979678 A CN108979678 A CN 108979678A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000008878 coupling Effects 0.000 claims abstract description 44
- 238000010168 coupling process Methods 0.000 claims abstract description 44
- 238000005859 coupling reaction Methods 0.000 claims abstract description 44
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 238000010276 construction Methods 0.000 claims abstract description 14
- 239000004567 concrete Substances 0.000 claims abstract description 11
- 238000005520 cutting process Methods 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 3
- 238000012360 testing method Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 6
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000011378 shotcrete Substances 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract description 2
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 239000011435 rock Substances 0.000 description 17
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- QLMNCUHSDAGQGT-UHFFFAOYSA-N sintofen Chemical compound N1=C(C(O)=O)C(=O)C=2C(OCCOC)=CC=CC=2N1C1=CC=C(Cl)C=C1 QLMNCUHSDAGQGT-UHFFFAOYSA-N 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention, which discloses a kind of multistage for cutting damage based on constant-resistance sliding eye, allows pressure can contracting formula steelframe and connection method, including can contracting steelframe unit, common steelframe unit, it can reducer coupling head and ordinary couplings, can contracting steelframe unit sliding end by can reducer coupling head connect with common steelframe unit, can contracting steelframe unit can be retracted in reducer coupling head, common steelframe unit connector is all made of ordinary couplings connection, the present invention using can reducer coupling head connection steelframe unit it is secured, and have certain bending resistance and shear resistance, slide assemblies are protected using shield, greatly avoid the influence of gunite concrete butt joint；Steel mechanics performance is taken full advantage of, fashioned iron, steel plate, bolt etc. are construction site common materials, and it is easy to process, it is easy to use；Each component is convenient for disassembly and assembly, does not increase working procedure, can contracting formula steelframe connector in component factory carry out welding and grooved bore, assembled in tunnel, easy construction is easy to spread.
Description
Technical field
The invention belongs to Tunnel Engineering support technology fields, and in particular to a kind of multistage for cutting damage based on constant-resistance sliding eye allows
Pressure can contracting formula steelframe and connection method.
Background technique
With the continuous increase of the Tunnel Engineering construction scale such as China's traffic, the energy, water conservancy, Tunnel Engineering is passed through highland and is answered
Large deformation problem is commonly encountered when power soft rock section.Its distinctive " dilatancy ", " Squeezing ground ", " loosen property " and make tunnel undergauge,
Country rock crustal stress is big, deformation velocity is fast, it is long to restrain the stable time, or even can not restrain, and deflection is big, when using common supporting,
Supporting construction bears great pressure from surrounding rock and causes to destroy, large deformation tunnel gunite concrete frequent occurrence in the construction process
Chip off-falling, steelframe distortion, anchor pole is broken, just branch invades the various problems such as limit.
For such problem, it is " rigid protection " that river harnessing ideas is often used in supporting, using the stronger supporting construction of rigidity, is increased
The preliminary bracings such as anchor pole, steelframe, gunite concrete and two lining parameters are resisted by just propping up with the two enough stiffness and strength of lining
Weak surrounding rock deformation.Strengthening supporting structure also leads to supporting construction on the one hand while drawing up surrouding rock deformation simply in this way
Great pressure from surrounding rock is born, easily causes gunite concrete chip off-falling, steelframe distorts, anchor pole is broken, just branch invades limit, Lining cracks
Etc. various problems, investment cost is on the other hand also caused to increase more.
Another river harnessing ideas is " coupling hardness with softness ", i.e., in steelframe and shot anchor net combined retaining structure, use is scalable
Steelframe and pressure-relieving achor bar (rope) etc. optimize supporting construction.Wherein, the contracting formula steelframe that can be slid using steelframe connector, supporting section
It is reduced with surrouding rock deformation, country rock is allowed to have biggish deformation and discharges crustal stress therewith, reduce country rock load mesh to reach
's.Scalable steelframe such as steel pipe steelframe, U-shaped steel frame etc. has an application, along tunnel circumferential direction compressive deformation after steelframe stress.Traditional
The steel arch-shelf of scalable steelframe needs to customize using steel pipe, U-shaped steel, can contracting joint clasp to be fastened by bolts offer sliding anti-
Power, starts to slide that drag is related with snap ring torque, and snap ring torque process control needs are high, and after starting sliding, snap ring may be loose
Dynamic, sliding drag is unstable, and the drag that steelframe provides is difficult to quantitatively, not can be effectively controlled the change opportunity that allows.
Therefore, country rock early deformation is rationally controlled according to country rock large deformation feature, pressure from surrounding rock is allowed suitably to discharge, reduced and make
With the load in structure, this serious deformation river harnessing ideas is accepted, but traditional contracting formula steelframe construction effect
It is difficult to ensure.Be badly in need of it is a kind of simply easily make, can control and allow the contracting formula steelframe on pressure opportunity, it is anti-that certain supporting can be provided in time
Power makes country rock is unlikely to occur loose or generate relaxation zone, while allowing the plastic deformation of basement rock to have certain development again, sufficiently to send out
Wave the self-supporting of country rock.
Summary of the invention
For the limitation of above-mentioned existing scalable steelframe technology, the present invention, which provides, a kind of cuts damage based on constant-resistance sliding eye
Multistage allow pressure can contracting formula steelframe and connection method, the multistage of the invention that damage is cut based on constant-resistance sliding eye allow pressure can contracting formula steelframe connect
It is simple, easy for installation, allowing for steelframe can be effectively controlled and pressure opportunity and allow pressure amount.
Specific technical solution of the present invention is as follows:
A kind of multistage that damage is cut based on constant-resistance sliding eye allow pressure can contracting formula steelframe, including can contracting steelframe unit, common steelframe unit,
Can reducer coupling head and ordinary couplings, the sliding end of the contracting steelframe unit by can reducer coupling head connect with common steelframe unit, can
Contracting steelframe unit can be retracted in reducer coupling head, and common steelframe unit is all made of ordinary couplings connection；
It is described can reducer coupling head by L-type support, constant-resistance plate, shield, sliding eye, constant-resistance sliding eye, high-strength bolt, nut, upper pad
Plate, lower bolster, connection bolt, bolt hole one and angle cleat are constituted, and are opened up sliding eye on L-type support, are opened up perseverance on constant-resistance plate
Sliding eye is hindered, constant-resistance plate is fixed on L-type support by constant-resistance sliding eye after being aligned with sliding eye, can be on contracting steelframe unit sliding end
Open up bolt hole two, by high-strength bolt and nut L-type support and can contracting steelframe unit link together, L-type support bottom edge
It is fixed with upper padding plate, shield lower part is fixed with upper padding plate, and L-type branch seat cover is got up；Common steelframe unit and lower bolster connect
It connects angle steel to fix, be bolted by the bolt hole one opened up on upper padding plate and lower bolster using connection.
Further preferred that C-type steel frame, H profile steel frame etc. can be used in the contracting steelframe unit, common steelframe unit.
Further preferred that ordinary couplings are using steel plate, angle steel and bolted steelframe joint construction form.
Further preferred that the constant-resistance plate uses high brittleness low tenacity steel plate.
Further preferred that anti-skid sawtooth, zigzag fashion, size, spacing is arranged in the constant-resistance sliding bore edges on constant-resistance plate
It can be there are many combining, to realize different constant drags.Between increasing constant-resistance sliding eye teeth sizes by part, reduce sawtooth
Away from etc. modes two-stage or multistage constant-resistance may be implemented.
The present invention also provides the multistage that damage is cut based on constant-resistance sliding eye allow pressure can contracting formula steelframe connection method, including it is following specific
Operating procedure:
(1), connector is prefabricated: processing can reducer coupling head each composition component, the sliding eye on L-type support, the constant-resistance on constant-resistance plate
Sliding eye should carry out precision machinery processing, should carry out cutting damage test measurement to the constant-resistance value that constant-resistance sliding eye provides, according to test
Data determine the shape, size and spacing of anti-skid sawtooth；
(2), can contracting steelframe unit with can reducer coupling head it is assembled: carry out assembly outside hole, bolt hole two can be opened up on contracting steelframe unit,
And carry out can contracting steelframe unit and L-type support examination it is assembled, both examining can be completely embedded and high-strength bolt sliding is smooth, permanent
Constant-resistance plate is welded on L-type support by resistance sliding eye after being aligned with sliding eye, and L-type support is placed in can contracting steelframe unit web two
Side is connected by high-strength bolt, and high-strength bolt is placed in constant-resistance sliding eye top, and upper padding plate is welded on L-type bottom surface of support saddle, most rear defence
Shield lower part and upper padding plate weld, and L-type support is covered completely；
(3), common steelframe unit with can reducer coupling head it is assembled: routinely steelframe connects for common steelframe unit and lower bolster, angle cleat
Head way welds together；
(4), after tunnel excavation completes simultaneously just pneumatically placed concrete, the contracting steelframe unit of assembly completion, common steelframe unit are existed
It is assembled in hole to form complete steelframe.
Technical concept of the invention are as follows: a kind of multistage that damage is cut based on constant-resistance sliding eye allow pressure can contracting formula steelframe, by can
Contracting steelframe unit sliding end sliding can realize that steelframe allows pressure on reducer coupling head, drive high-strength bolt can exist after contracting steelframe unit stress
Can sliding in the sliding eye on the L-type support of reducer coupling head, need to cut the saw on damage constant-resistance sliding eye in high-strength bolt sliding process
Tooth, sawtooth provide certain sliding drag, and shape, size and the spacing control sliding drag size of sawtooth, reaching the present invention can
The purpose of contracting formula steelframe " being allowed while aiding the border areas ".
The invention has the benefit that
1, can the work of contracting formula steelframe connector when the drag size that provides can be designed according to country rock situation, allow pressure opportunity and allowing pressure amount can
Control.Can reducer coupling head connection steelframe unit it is secured, and have certain bending resistance and shear resistance.Slide assemblies are protected using shield,
Greatly avoid the influence of gunite concrete butt joint.
2, applicable range is wide, takes full advantage of steel mechanics performance, fashioned iron, steel plate, bolt etc. are that construction site is normal
See material, it is easy to process, it is easy to use.
3, can contracting formula steelframe connector each component it is convenient for disassembly and assembly, do not increase working procedure, can contracting formula steelframe connector in component
Factory carries out welding and grooved bore, assembled in tunnel, and easy construction is easy to spread.
Detailed description of the invention
Fig. 1 is organigram of the invention.
Fig. 2 is can reducer coupling header structure schematic diagram in Fig. 1 of the present invention.
Fig. 3 is cross sectional side view in Fig. 2 of the present invention.
Fig. 4 is top view in Fig. 2 of the present invention.
Fig. 5 is Fig. 2 neutral body figure of the present invention.
Fig. 6 be it is of the invention can the connection of reducer coupling head when each component arrangement schematic diagram.
Fig. 7 be it is of the invention can each component arrangement schematic diagram after the assembling of reducer coupling head.
Fig. 8 is a kind of schematic shapes of constant-resistance sliding eye 9.
Fig. 9 is another schematic shapes of constant-resistance sliding eye 9.
Each label in figure are as follows: 1- can contracting steelframe unit, the common steelframe unit of 2-, 3- can reducer coupling head, 4- ordinary couplings, 5-L
Type support, 6- constant-resistance plate, 7- shield, 8- sliding eye, 9- constant-resistance sliding eye, 10- high-strength bolt, 11- nut, 12- upper padding plate,
13- lower bolster, 14- connection bolt, 15- bolt hole one, 16- angle cleat, 17- bolt hole two.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
As shown in Figure 1 for a kind of multistage that damage is cut based on constant-resistance sliding eye allow pressure can contracting formula steelframe connector arrangement signal,
Including can contracting steelframe unit 1, common steelframe unit 2, can reducer coupling head 3, ordinary couplings 4.General every Pin steelframe, which arranges two, to contract
Connector is arranged symmetrically by tunnel cross-section middle line.Ordinary couplings 4 are using steel plate, angle steel and bolted traditional steelframe connector.
As shown in Figure 2-5, can reducer coupling head 3 by L-type support 5, constant-resistance plate 6, shield 7, sliding eye 8, constant-resistance sliding eye 9,
High-strength bolt 10, nut 11, upper padding plate 12, lower bolster 13, connection bolt 14, bolt hole 1 and angle cleat 16 are constituted.L-type
Open up sliding eye 8 on support 5, open up constant-resistance sliding eye 9 on constant-resistance plate 6, constant-resistance sliding eye 9 be aligned with sliding eye 8 after by constant-resistance
Plate 6 is welded on L-type support 5, can be opened up the second bolt hole 17 on 1 sliding end of contracting steelframe unit, be passed through high-strength bolt 10 and spiral shell
Mother 11 L-type support 5 and can contracting steelframe unit 1 link together, 5 bottom edge of L-type support and upper padding plate 12 are fixed, under shield 7
Portion and upper padding plate 12 are fixed, and the cover of L-type support 5 is got up；Common steelframe unit 2 and lower bolster 13, angle cleat 16 are fixed, lead to
The bolt hole 1 opened up on upper padding plate 12 and lower bolster 13 is crossed to connect using connection bolt 14.
A kind of multistage that damage is cut based on constant-resistance sliding eye allow pressure can contracting formula steelframe connection method, as shown in fig. 6-7, tool
Body step are as follows:
1, connector is prefabricated: processing can contracting formula steelframe connector each composition component, on the sliding eye 8, constant-resistance plate 6 on L-type support 5
Constant-resistance sliding eye 9 should carry out precision machinery processing, should carry out cutting damage test measurement to the constant-resistance value that constant-resistance sliding eye 9 provides,
The shape, size, spacing etc. of anti-skid sawtooth are determined according to test data.
2, can contracting steelframe unit 1 with can reducer coupling head it is assembled: carry out assembly outside hole, bolt can be opened up on contracting steelframe unit 1
Hole 2 17, and carry out can contracting steelframe unit 1 and L-type support 5 examination it is assembled, both examining can be completely embedded and high-strength bolt 10
It slides smooth.Constant-resistance plate 6 is welded on L-type support 5 by constant-resistance sliding eye 9 after being aligned with sliding eye 8, and L-type support 5, which is placed in, to contract
1 web two sides of steelframe unit, are connected by high-strength bolt 10, and high-strength bolt 10 is placed in 9 top of constant-resistance sliding eye.Upper padding plate 12 welds
It connects in 5 bottom surface of L-type support, last 7 lower part of shield and upper padding plate 12 weld, and the cover completely of L-type support 5 is got up.
3, common steelframe unit 2 with can reducer coupling head it is assembled: common steelframe unit 2 is with lower bolster 13, angle cleat 16 by normal
Rule steelframe connector way welds together.
4, after tunnel excavation completes simultaneously just pneumatically placed concrete, contracting steelframe unit 1, common steelframe unit that assembly is completed
2 assembled in hole form complete steelframe.
Can contracting formula steelframe erect and require: first thickness of shotcrete is not less than 40cm, should be arranged between steelframe diameter be 20 ~
The longitudinally connected reinforcing bar of 22mm, along the circumferential every 1 ~ 2m/ root of steelframe.Concrete pad wedging is used between steelframe and first pneumatically placed concrete,
Guarantee that pressure from surrounding rock is passed on steelframe by cushion block.
As Figure 8-9, anti-skid sawtooth, zigzag fashion, size, spacing is arranged in 9 edge of constant-resistance sliding eye on constant-resistance plate 6
It can be there are many combining, to realize different constant drags.Change 9 lower end zigzag fashion of constant-resistance sliding eye by part, reduce
Two-stage or multistage constant-resistance may be implemented in the modes such as sawtooth spacing.
Every Pin steelframe can reducer coupling head generally set two, be arranged symmetrically, can increase when tunnel cross-section is larger.It each can reducer coupling head
Maximum can contracting amount no more than 100mm, can the sliding drag of reducer coupling head generally carried out by 50% that steelframe may bear maximum axle power
Design, can be measured in test section, be adjusted according to construction effect.
Allowing for connector and makes pressure amount controllable at pressure opportunity, and the resistance of connector can according to need design, and can at the scene flexibly
Adjustment, particularly suitable enclosing lithologies and the big stratum of pressure change.Such as Monitoring During The Access data analyzing adapters need to provide
Drag overall is R, and it is R that test, which measures the Resistance Value that single constant-resistance sliding eye provides,0, the sliding hole count that opens up on steelframe unit is n
≥R/R0。
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
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of multistage for cutting damage based on constant-resistance sliding eye allows pressure can contracting formula steelframe, which is characterized in that including can contracting steelframe unit
(1), common steelframe unit (2), can reducer coupling head (3) and ordinary couplings (4), the sliding end of the contracting steelframe unit (1) passes through
Can reducer coupling head (3) connect with common steelframe unit (2), can contracting steelframe unit (1) can retraction in reducer coupling head (3), commonly
Steelframe unit (2) is all made of ordinary couplings (4) connection；
It is described can reducer coupling head (3) by L-type support (5), constant-resistance plate (6), shield (7), sliding eye (8), constant-resistance sliding eye (9),
High-strength bolt (10), nut (11), upper padding plate (12), lower bolster (13), connection bolt (14), bolt hole one (15) and joint angle
Steel (16) is constituted, and opens up sliding eye (8) on L-type support (5), constant-resistance sliding eye (9), constant-resistance sliding eye are opened up on constant-resistance plate (6)
(9) constant-resistance plate (6) is fixed on L-type support (5) after being aligned with sliding eye (8), can be opened up on contracting steelframe unit (1) sliding end
Bolt hole two (17), by high-strength bolt (10) and nut (11) L-type support (5) and can contracting steelframe unit (1) be connected to one
It rises, L-type support (5) bottom edge and upper padding plate (12) are fixed, and shield (7) lower part and upper padding plate (12) are fixed, and by L-type support
(5) cover gets up；Common steelframe unit (2) and lower bolster (13), angle cleat (16) are fixed, and upper padding plate (12) and lower bolster are passed through
(13) bolt hole one (15) opened up on is using connection bolt (14) connection.
2. the multistage according to claim 1 for cutting damage based on constant-resistance sliding eye allows pressure can contracting formula steelframe, which is characterized in that institute
The contracting steelframe unit (1) and common steelframe unit (2) stated are all made of C-type steel frame or the production of H profile steel frame.
3. the multistage according to claim 1 for cutting damage based on constant-resistance sliding eye allows pressure can contracting formula steelframe, which is characterized in that institute
Stating ordinary couplings (4) is using steel plate, angle steel and bolted steelframe joint construction form.
4. the multistage according to claim 1 for cutting damage based on constant-resistance sliding eye allows pressure can contracting formula steelframe, which is characterized in that institute
The constant-resistance plate (6) stated uses high brittleness low tenacity steel plate.
5. the multistage according to claim 1 for cutting damage based on constant-resistance sliding eye allows pressure can contracting formula steelframe, which is characterized in that institute
Anti-skid sawtooth is arranged in constant-resistance sliding eye (9) edge stated on constant-resistance plate (6).
6. a kind of multistage that damage is cut based on constant-resistance sliding eye allow pressure can contracting formula steelframe connection method, which is characterized in that including such as
Lower concrete operation step:
1), connector is prefabricated: processing can reducer coupling head (3) each composition component, sliding eye (8), constant-resistance plate on L-type support (5)
(6) the constant-resistance sliding eye (9) on should carry out precision machinery processing, and the constant-resistance value provided constant-resistance sliding eye (9) should carry out cutting damage
Test measurement, the shape, size and spacing of anti-skid sawtooth are determined according to test data；
2), can contracting steelframe unit (1) with can reducer coupling head (3) it is assembled: carry out assembly outside hole, can be opened up on contracting steelframe unit (1)
Bolt hole two (17), and carry out can contracting steelframe unit (1) and L-type support (5) examination it is assembled, examine the two can be completely embedded and
High-strength bolt (10) sliding is smooth, and constant-resistance plate (6) is welded on L-type support after being aligned with sliding eye (8) by constant-resistance sliding eye (9)
(5) on, L-type support (5) be placed in can contracting steelframe unit (1) web two sides, pass through high-strength bolt (10) connect, high-strength bolt (10)
It is placed in constant-resistance sliding eye (9) top, upper padding plate (12) is welded on L-type support (5) bottom surface, last shield (7) lower part and upper pad
Plate (12) welding, and L-type support (5) cover completely is got up；
3), common steelframe unit (2) with can reducer coupling head (3) it is assembled: common steelframe unit (2) and lower bolster (13), angle cleat
(16) routinely steelframe connector way welds together；
4), after tunnel excavation completes simultaneously just pneumatically placed concrete, contracting steelframe unit (1), common steelframe unit that assembly is completed
(2) assembled in hole to form complete steelframe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811151328.8A CN108979678B (en) | 2018-09-29 | 2018-09-29 | Multistage yielding and compressing type steel frame based on constant-resistance sliding hole shearing loss and connecting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811151328.8A CN108979678B (en) | 2018-09-29 | 2018-09-29 | Multistage yielding and compressing type steel frame based on constant-resistance sliding hole shearing loss and connecting method |
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| CN108979678A true CN108979678A (en) | 2018-12-11 |
| CN108979678B CN108979678B (en) | 2023-05-26 |
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Cited By (5)
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|---|---|---|---|---|
| CN109723460A (en) * | 2019-01-15 | 2019-05-07 | 西南交通大学 | A kind of Deformation control supporting construction suitable for serious deformation |
| CN109973124A (en) * | 2019-03-29 | 2019-07-05 | 中国科学院武汉岩土力学研究所 | A kind of tension and compression conversion constant-resistance allows pressure device |
| CN111594234A (en) * | 2020-07-10 | 2020-08-28 | 北京享云智汇科技有限公司 | Steel frame joint suitable for large-deformation highway tunnel |
| CN112096423A (en) * | 2020-09-30 | 2020-12-18 | 兰州交通大学 | Clamping seat type retractable steel arch connector |
| CN114320377A (en) * | 2021-12-06 | 2022-04-12 | 中铁十七局集团第三工程有限公司 | Steel frame anchoring type soft rock temporary support system |
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| CN104481559A (en) * | 2014-11-18 | 2015-04-01 | 成都理工大学 | Asymmetric large-deformation contractible steel arch and mounting method based on contractible steel arch |
| CN107237643A (en) * | 2017-08-14 | 2017-10-10 | 成都理工大学 | A kind of novel hydraulic resistance increasing type tunnel is by pressure device |
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| CN108316954A (en) * | 2018-03-28 | 2018-07-24 | 武汉大学 | A kind of novel arch quantitatively allows pressure energy consumption attachment device and preparation method thereof |
| CN108331599A (en) * | 2018-03-28 | 2018-07-27 | 武汉大学 | One kind, which quantitatively allows, presses energy consumption attachment device and production method |
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| CN109973124A (en) * | 2019-03-29 | 2019-07-05 | 中国科学院武汉岩土力学研究所 | A kind of tension and compression conversion constant-resistance allows pressure device |
| CN111594234A (en) * | 2020-07-10 | 2020-08-28 | 北京享云智汇科技有限公司 | Steel frame joint suitable for large-deformation highway tunnel |
| CN112096423A (en) * | 2020-09-30 | 2020-12-18 | 兰州交通大学 | Clamping seat type retractable steel arch connector |
| CN114320377A (en) * | 2021-12-06 | 2022-04-12 | 中铁十七局集团第三工程有限公司 | Steel frame anchoring type soft rock temporary support system |
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