CN110259483A - The adjustable interim inverted arch steelframe installation structure of one kind and construction method - Google Patents
The adjustable interim inverted arch steelframe installation structure of one kind and construction method Download PDFInfo
- Publication number
- CN110259483A CN110259483A CN201910643782.3A CN201910643782A CN110259483A CN 110259483 A CN110259483 A CN 110259483A CN 201910643782 A CN201910643782 A CN 201910643782A CN 110259483 A CN110259483 A CN 110259483A
- Authority
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- China
- Prior art keywords
- steelframe
- inverted arch
- interim
- adjustable
- interim inverted
- Prior art date
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Links
- 238000009434 installation Methods 0.000 title claims abstract description 21
- 238000010276 construction Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 52
- 239000010959 steel Substances 0.000 claims abstract description 52
- 238000004873 anchoring Methods 0.000 claims abstract description 22
- 210000002445 nipple Anatomy 0.000 claims abstract description 13
- 238000003466 welding Methods 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 3
- 230000007812 deficiency Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
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
- E21D11/14—Lining predominantly with metal
-
- 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
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
Landscapes
- 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 adjustable interim inverted arch steelframe installation structure and construction methods, including adjustable anchoring mechanism and jacking supporting mechanism, adjustable anchoring mechanism includes junction steel plate, customization lengthens full screw rod and fixture nut, jacking supporting mechanism includes hand-cranked spiral jack, special pipe nipple I-steel and support backing plate, hand-cranked spiral jack is placed in inverted arch steelframe and is adjusted between anchoring mechanism junction steel plate, completion is anchored using nut in anchoring mechanism adjustable after the completion of hand fit's lifting operation and the interim inverted arch steelframe other end connect completion with tunnel trunk steelframe.It is closely connected to realize that interim inverted arch steelframe is connect with tunnel trunk steelframe well through the invention, it is closely connected with inverted arch after interim inverted arch steelframe itself prestressed, it is conducive to the interim subsequent recycling of inverted arch steelframe.
Description
[technical field]
It needs that applying for interim inverted arch steelframe installation is arranged after excavating the present invention relates to tunnel construction field, especially tunnel trunk
Work method.
[background technique]
Currently, in tunnel trunk supporting structure system, when interim inverted arch steelframe installation, there are inverted arch gibs
Steelframe connect that not closely connected, inverted arch gib steelframe junction steel plate connector is not closely connected, inverted arch gib steelframe with barrel steelframe
The problems such as dismounting recycling is not easy.The quality of interim inverted arch steelframe installation quality, directly influences tunnel trunk support system
Stress influences tunnel trunk construction safety.Interim inverted arch steelframe installation, which needs that necessary, effective measures is taken to reduce inverted arch, temporarily props up
Steelframe and barrel steelframe and itself junction steel plate joint leakage are protected, recycling rate of waterused is improved, guarantees tunnel trunk construction supporting
System stress meets design requirement to greatest extent, it is ensured that constructing tunnel overall process is safe and reliable.
[summary of the invention]
The present invention provides a kind of adjustable interim inverted arch steelframe construction methods of installation.
To achieve the above object, the technical solution of the present invention is as follows:
A kind of adjustable interim inverted arch steelframe installation structure, comprising:
Interim inverted arch steelframe and barrel steelframe；
One adjustable anchoring mechanism: being made of junction steel plate, screw rod and fixture nut, and it is interim to be set to adjacent left and right two parts
Between inverted arch steelframe；The joint face of each interim inverted arch steelframe is equipped with I-steel, junction steel plate and I-steel welding jail
Gu interim inverted arch steelframe two sides are against barrel steelframe by two parts inverted arch interim steelframe respectively side and barrel steelframe pre-connection
On；Corresponding four groups of hole locations are set on junction steel plate, a screw rod are run through per hole interdigit corresponding two-by-two, screw rod both ends are set respectively
There is fixture nut, junction steel plate connect along screw slide and realizes anchoring mechanism or so when fixture nut is in transitory state with screw rod
It is adjustable；
One jacking supporting mechanism: for hand-cranked spiral jack, hand-cranked spiral jack is placed in interim inverted arch steelframe
Between the adjacent junction steel plate of adjustable anchoring mechanism.
Preferably, punching press pore-forming is used on the junction steel plate.
Preferably, the screw rod lengthens full screw rod using customization.
Preferably, jacking supporting mechanism is additionally provided with special pipe nipple I-shaped bracing members.
Preferably, jacking supporting mechanism is additionally provided with support backing plate, when special pipe nipple I-steel bearing length deficiency, uses
140*200mm supports backing plate.
Preferably, hand-cranked spiral jack minimum length 168mm.
A kind of adjustable interim inverted arch steelframe construction method of installation, comprising the following steps:
Step 1: by the junction steel plate side of machined completion and inverted arch interim steelframe I-steel firm welding；
Step 2: by two parts inverted arch interim steelframe respectively side and barrel steelframe pre-connection；
Step 3: the customization of itself connecting portion of inverted arch interim steelframe being lengthened into full screw rod and nut is pre-installed in place；
Step 4: preceding between hand-cranked spiral jack is placed in the adjustable anchoring mechanism junction steel plate of interim inverted arch steelframe
Rear end is respectively placed on junction steel plate, and hand fit's lifting operation to interim inverted arch steelframe is faced upward with barrel steelframe junction and temporarily
Encircle steelframe and the big portion of inverted arch is closely connected；
Step 5: the fastening of anchoring mechanism nut is adjusted in inverted arch interim steelframe, checks errorless rear release hand-cranked spiral thousand
Jin is pushed up and is taken out；
Step 6: first place special pipe nipple I-steel in former hand-cranked spiral jack, after according to pore size place support
Backing plate；
Step 7: checking and complete installation operation after each component is met the requirements.
Of the invention is mainly characterized by: increase adjustable anchoring mechanism and jacking supporting mechanism on interim inverted arch steelframe,
Connection, interim inverted arch steelframe itself between interim inverted arch steelframe and barrel steelframe are completely embedded, meets support construction stress and wants
It asks；Interim inverted arch steelframe is closely connected close with inverted arch face during the installation process, it is ensured that interim inverted arch does not answer itself in use
Gravity or vibration influence stress.
Using the invention has the following advantages that
(1) reduce inverted arch gib steelframe and connect gap with barrel steelframe, keep its closely connected, meet force request；
(2) it reduces inverted arch gib steelframe junction steel plate connector and connects gap, keep its closely connected, meet force request；
(3) easy to assemble during inverted arch gib steelframe subsequent construction, easily reuse；
(4) using adjustable anchoring mechanism and supporting mechanism double shield between interim inverted arch steelframe, it is ensured that Tunnel
Body construction overall process is safe and reliable.
[Detailed description of the invention]
Fig. 1 is interim inverted arch sectional view at junction steel plate；
Side view when Fig. 2 is interim inverted arch steelframe hand-cranked spiral jack support top；
Fig. 3 is that interim inverted arch steelframe installs special pipe nipple I-steel and support backing plate lateral side view.
Description of symbols in figure:
1 interim inverted arch steelframe, 2 junction steel plates, 3 screw rods, 4 fixture nuts, 5 I-steel, 6 hole locations, 7 hand-cranked spirals are very heavy
Top, 8 special pipe nipple I-shaped bracing members, 9 support backing plates.
[specific embodiment]
It is clear to become apparent from the invention patent purpose, principle and construction, now in conjunction with accompanying drawings and embodiments to of the invention
Technical solution is further elaborated, it is believed that is clear for a person skilled in the art.
It can realize that inverted arch gib steelframe connect closely connected, inverted arch gib steel with barrel steelframe well with the present invention
The connection of frame junction steel plate connector is closely connected, and adjustable anchoring mechanism and supporting mechanism double shield are used between interim inverted arch steelframe,
Meet design force request to greatest extent, it is ensured that tunnel trunk construction overall process is safe and reliable.In inverted arch gib steelframe
It is easy to assemble during subsequent construction, it easily reuses, reduces security risk, ensure that construction quality, reduce construction cost.
A kind of adjustable interim inverted arch steelframe installation structure, comprising:
Interim inverted arch steelframe and barrel steelframe；
Adjustable anchoring mechanism includes junction steel plate, the full screw rod of customization lengthening and fixture nut, uses punching press on connecting plate
Pore-forming mode is arranged hole location four, connecting plate and inverted arch steelframe I-steel firm welding；
The jacking supporting mechanism includes hand-cranked spiral jack, special pipe nipple I-steel and support backing plate, hand-rail type
Screw jack is placed in inverted arch steelframe and is adjusted between anchoring mechanism junction steel plate, after the completion can using hand fit's lifting operation
Nut anchors completion in adjusting anchoring mechanism and the interim inverted arch steelframe other end connect completion with tunnel trunk steelframe, takes out hand afterwards
Shake formula screw jack, first place special pipe nipple I-steel in former hand-cranked spiral jack, after according to pore size place branch
Stake pad plate.
Embodiment one
It is as follows that adjustable interim inverted arch steelframe installs and uses mode:
The junction steel plate side of machined completion and inverted arch interim steelframe are supported into I18 I-steel firm welding；At the beginning of tunnel
After phase supporting barrel steelframe is installed, by two parts inverted arch interim steelframe respectively side and barrel steelframe pre-connection.
The customization of itself connecting portion of inverted arch interim steelframe is lengthened into full screw rod as shown in Figure 2 and nut is pre-installed in place；By 2t
Hand-cranked spiral jack be placed in interim inverted arch steelframe be adjusted anchoring mechanism junction steel plate between, front and back end is respectively placed in company
It connects on steel plate, hand fit's lifting operation to interim inverted arch steelframe and barrel steelframe junction and interim inverted arch steelframe and inverted arch are big
Portion is closely connected.The fastening of anchoring mechanism nut is adjusted in inverted arch interim steelframe, checks errorless rear release hand-cranked spiral jack simultaneously
It takes out.
Special pipe nipple I-steel is first placed in former hand-cranked spiral jack, is placed as shown in Figure 3 according to pore size
140*200mm supports backing plate and the steel plate block of 10*30mm；It checks and completes installation operation after each component is met the requirements.
When interim inverted arch steelframe is removed, support backing plate, pipe nipple I-steel are removed, after will lengthen the spiral shell on full screw rod
Mother unclamps, then will remove with barrel steelframe junction bolt and complete to remove work.
Claims (7)
1. a kind of adjustable interim inverted arch steelframe installation structure, which is characterized in that including
Interim inverted arch steelframe and barrel steelframe；
One adjustable anchoring mechanism: being made of junction steel plate, screw rod and fixture nut, is set to the adjacent interim inverted arch of left and right two parts
Between steelframe；The joint face of each interim inverted arch steelframe is equipped with I-steel, junction steel plate and the I-steel firm welding, will
Two parts inverted arch interim steelframe respectively side and barrel steelframe pre-connection, interim inverted arch steelframe two sides are against on barrel steelframe；Even
It connects and corresponding four groups of hole locations is set on steel plate, a screw rod is run through per hole interdigit corresponding two-by-two, screw rod both ends are respectively equipped with solid
Determine nut, junction steel plate is connect along screw slide when fixture nut is in transitory state with screw rod realizes that anchoring mechanism or so can
It adjusts；
One jacking supporting mechanism: for hand-cranked spiral jack, it is adjustable that hand-cranked spiral jack is placed in interim inverted arch steelframe
Between the adjacent junction steel plate for saving anchoring mechanism.
2. a kind of adjustable interim inverted arch steelframe installation structure as described in claim 1, which is characterized in that the company
It connects on steel plate using punching press pore-forming.
3. a kind of adjustable interim inverted arch steelframe installation structure as described in claim 1, which is characterized in that the spiral shell
Bar lengthens full screw rod using customization.
4. a kind of adjustable interim inverted arch steelframe installation structure as described in claim 1, which is characterized in that jacking branch
Support mechanism is additionally provided with special pipe nipple I-shaped bracing members.
5. a kind of adjustable interim inverted arch steelframe installation structure as described in claim 1, which is characterized in that jacking branch
Support mechanism is additionally provided with support backing plate, when special pipe nipple I-steel bearing length deficiency, supports backing plate using 140*200mm.
6. a kind of adjustable interim inverted arch steelframe installation structure as described in claim 1, which is characterized in that hand-rail type
Screw jack minimum length 168mm.
7. a kind of construction method of adjustable interim inverted arch steelframe installation structure, which comprises the following steps:
Step 1: by the junction steel plate side of machined completion and interim inverted arch steelframe I-steel firm welding；
Step 2: by the interim inverted arch steelframe of two parts respectively side and barrel steelframe pre-connection；
Step 3: the customization of steelframe itself connecting portion lengthens full screw rod when will face inverted arch and nut prepackage is in place；
Step 4: between hand-cranked spiral jack is placed in the adjustable anchoring mechanism junction steel plate of interim inverted arch steelframe, front and back
End is respectively placed on junction steel plate, hand fit's lifting operation to interim inverted arch steelframe and barrel steelframe junction and interim inverted arch
Steelframe and the big portion of inverted arch are closely connected；
Step 5: being adjusted the fastening of anchoring mechanism nut for inverted arch interim steelframe, checks that errorless rear release hand-cranked spiral is very heavy
It pushes up and takes out；
Step 6: first placing special pipe nipple I-steel in former hand-cranked spiral jack, after according to pore size place supporting pad
Plate；
Step 7: it checks and completes installation operation after each component is met the requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910643782.3A CN110259483A (en) | 2019-07-17 | 2019-07-17 | The adjustable interim inverted arch steelframe installation structure of one kind and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910643782.3A CN110259483A (en) | 2019-07-17 | 2019-07-17 | The adjustable interim inverted arch steelframe installation structure of one kind and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110259483A true CN110259483A (en) | 2019-09-20 |
Family
ID=67926600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910643782.3A Pending CN110259483A (en) | 2019-07-17 | 2019-07-17 | The adjustable interim inverted arch steelframe installation structure of one kind and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110259483A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101037944A (en) * | 2007-04-27 | 2007-09-19 | 惠中华 | Shallow buried and underground excavated engineering project execution method and equipment thereof |
| CN106013840A (en) * | 2016-05-16 | 2016-10-12 | 中天建设集团有限公司 | Unloading steel supporting node constitution of stiffened cantilevered structure and construction method of unloading steel supporting node constitution |
| KR101740045B1 (en) * | 2016-11-02 | 2017-05-25 | 주식회사 윤준에스티 | Adjustable Connection Jack of Steel Pipe Strut |
| CN107191203A (en) * | 2017-04-05 | 2017-09-22 | 中铁二十二局哈尔滨铁路建设集团有限责任公司 | It is a kind of it is adjustable control tunnel surrounding convergent deformation false stull device and apply method |
| CN207647522U (en) * | 2017-12-13 | 2018-07-24 | 中交第一公路勘察设计研究院有限公司 | A kind of reusable telescopic interim steelframe inverted arch structure |
| CN108561156A (en) * | 2018-04-30 | 2018-09-21 | 安徽省公路桥梁工程有限公司 | Separate tunnel changes arch supporting construction and its construction method |
| CN210564571U (en) * | 2019-07-17 | 2020-05-19 | 中铁上海工程局集团华海工程有限公司 | Interim inverted arch steelframe installation construction structures of adjustable |
-
2019
- 2019-07-17 CN CN201910643782.3A patent/CN110259483A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101037944A (en) * | 2007-04-27 | 2007-09-19 | 惠中华 | Shallow buried and underground excavated engineering project execution method and equipment thereof |
| CN106013840A (en) * | 2016-05-16 | 2016-10-12 | 中天建设集团有限公司 | Unloading steel supporting node constitution of stiffened cantilevered structure and construction method of unloading steel supporting node constitution |
| KR101740045B1 (en) * | 2016-11-02 | 2017-05-25 | 주식회사 윤준에스티 | Adjustable Connection Jack of Steel Pipe Strut |
| CN107191203A (en) * | 2017-04-05 | 2017-09-22 | 中铁二十二局哈尔滨铁路建设集团有限责任公司 | It is a kind of it is adjustable control tunnel surrounding convergent deformation false stull device and apply method |
| CN207647522U (en) * | 2017-12-13 | 2018-07-24 | 中交第一公路勘察设计研究院有限公司 | A kind of reusable telescopic interim steelframe inverted arch structure |
| CN108561156A (en) * | 2018-04-30 | 2018-09-21 | 安徽省公路桥梁工程有限公司 | Separate tunnel changes arch supporting construction and its construction method |
| CN210564571U (en) * | 2019-07-17 | 2020-05-19 | 中铁上海工程局集团华海工程有限公司 | Interim inverted arch steelframe installation construction structures of adjustable |
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