CN108952769A - Maintenance method for tunnel secondary lining formwork trolley - Google Patents
Maintenance method for tunnel secondary lining formwork trolley Download PDFInfo
- Publication number
- CN108952769A CN108952769A CN201811007453.1A CN201811007453A CN108952769A CN 108952769 A CN108952769 A CN 108952769A CN 201811007453 A CN201811007453 A CN 201811007453A CN 108952769 A CN108952769 A CN 108952769A
- Authority
- CN
- China
- Prior art keywords
- door frame
- template
- tunnel
- modular unit
- formwork
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012423 maintenance Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000009415 formwork Methods 0.000 title claims description 57
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000010276 construction Methods 0.000 abstract description 4
- 238000004904 shortening Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000009416 shuttering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding 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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil 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 maintenance method of a tunnel secondary lining form trolley, belongs to the field of maintenance of construction equipment, and aims to shorten the maintenance time of the secondary lining form trolley and improve the maintenance efficiency of the secondary lining form trolley. The method comprises the following steps: step one, supporting the bottom of the angle template on an inverted arch for backfilling; temporarily fixing the hinged positions of the template units at two ends of the tunnel secondary lining trolley; step two, the connection between the template unit and the portal is released; step three, moving the portal out of the template unit along the longitudinal direction of the tunnel; fourthly, maintaining the portal; moving the maintained portal frame to the original position; step six, connecting the portal frame with the template unit; and step seven, releasing the temporary fixation. According to the invention, the template unit is separated from the portal frame, and the portal frame is moved out independently for portal frame repair, so that the traction is more convenient and labor-saving; inside alright carry out the portal and restore in the tunnel, finally shortened maintenance duration, improved maintenance efficiency.
Description
Technical field
The invention belongs to construction equipments to repair field, particularly Tunnel Second Lining formwork jumbo method for maintaining.
Background technique
Secondary lining formwork jumbo is widely used in Tunnel Second Lining Construction, is usually made of following sections:
Arc formwork unit door frame and connects the multiple hydraulic cylinders of door frame and support shuttering unit on the inside of the modular unit.Template
Unit generally includes the top template, the side template positioned at two sides and the angle mould positioned at two side bottoms that are located at dome portions along its circumferential direction
Plate；Described side template one end and corresponding top template one end are hinged, and the other end and corresponding Angle formwork one end are hinged；The door frame includes
The crossbeam at top and the supporting leg of two sides of the bottom；The supporting leg top is connected with crossbeam.
In secondary lining pours, secondary lining formwork jumbo is insecure because door frame supporting leg bottom supports, and causes door frame branch
Leg bottom is moved inwardly, to cause door frame crossbeam torsional deformation, causes trolley that can not continue to use.Therefore, it is necessary to
Repair and replacement are carried out to trolley door frame crossbeam, supporting leg is corrected.Currently, the mode of operation generallyd use are as follows: by secondary lining
Formwork jumbo is built with overall pulling down outside machine travel to hole is loaded, crossbeam is cut by professional to on-the-spot guidance and is corrected, then
The crossbeam repair welding steel plate maintenance that correction is finished, finally completes rear haulage to original position for secondary lining formwork jumbo assembly.It should
Although the problem of beam deformation that method for maintaining solves, maintenance time is long, is unfavorable for the fast of secondary lining formwork jumbo
Speed is repaired.
Summary of the invention
The object of the present invention is to provide a kind of Tunnel Second Lining formwork jumbo method for maintaining, to shorten secondary lining template
The maintenance time of trolley improves the maintenance efficiency of secondary lining formwork jumbo.
The technical solution adopted by the present invention is that: Tunnel Second Lining formwork jumbo method for maintaining, the secondary lining trolley
The door frame of modular unit is used to support including arc formwork unit and on the inside of modular unit；The modular unit is along its circumferential direction
Top template, the side template positioned at two sides and the Angle formwork positioned at two side bottoms including being located at dome portions；Described side template one end
Hinged with corresponding top template one end, the other end and corresponding Angle formwork one end are hinged；The door frame includes crossbeam and the bottom at top
The supporting leg of two sides；The supporting leg top is connected with crossbeam；The following steps carried out including sequence:
Step 1: filling in cushion block between Angle formwork bottom and inverted arch fill concrete top surface, support Angle formwork bottom
In inverted arch fill concrete top surface；At the both ends of Tunnel Second Lining trolley, by Angle formwork and side template, side template and top template
Hinged place be fixed temporarily；
Step 2: releasing the connection between modular unit and door frame；
Step 3: door frame is removed modular unit along tunnel longitudinal direction, it is kept completely separate door frame with modular unit；
Step 4: carrying out door frame maintenance；
Step 5: moving to original position for the door frame finished has been repaired；
Step 6: door frame is connected with modular unit；
Step 7: releasing being fixed temporarily between Angle formwork and side template, side template and the hinged place of top template.
Further, in step 1, junction steel plate, the template of the junction steel plate and stitching portion two sides are set in hinged place
Welded connecting is fixed temporarily with realizing.
Further, after step 3, and before step 4, diagonal brace is set, described diagonal brace one end is supported in inverted arch and returns
Top of concrete is filled out, the other end is supported on the inside of modular unit.
Further, the diagonal brace is supported in side template.
Further, it in step 4, is removed in place to door frame, before repairing, corrects the supporting leg of door frame.
Further, using the supporting leg of chain block correction door frame.
The beneficial effects of the present invention are: it is of the invention, by separating modular unit with door frame, individually removes door frame and carry out door
Un-wheeling repair is multiple, compared with moving integrally secondary lining formwork jumbo, is more convenient laborsaving firstly, drawing, has saved manpower and traction is set
It is standby；Secondly, the height and width in door frame occupancy tunnel are smaller, after individually removing door frame, it is easier to look for foot in tunnel internal
Enough spaces are used for door frame repair, conducive to the investment for shortening manpower and pulling equipment, while also shortening maintenance cycle；Most
Afterwards, when removing door frame, modular unit indwelling provides accurate position in original position, for the door frame after repairing, and it is multiple to shorten door frame
The adjustment time of position, improves maintenance efficiency.
Detailed description of the invention
Fig. 1 is Tunnel Second Lining formwork jumbo structural schematic diagram；
Fig. 2 is that Fig. 1 removes door frame rear pattern plate cellular construction schematic diagram.
In figure, modular unit 1, top template 11, side template 12, Angle formwork 13, door frame 2, crossbeam 21, supporting leg 22, connection steel
Plate 3, diagonal brace 4.
Specific embodiment
It is as follows that the present invention is described further with reference to the accompanying drawings and examples:
Tunnel Second Lining formwork jumbo method for maintaining, as shown in Figure 1, the secondary lining formwork jumbo includes arc mould
Plate unit 1 and the door frame 2 that modular unit 1 is used to support on the inside of modular unit 1；The modular unit 1 includes along its circumferential direction
Top template 11 positioned at dome portions, the side template 12 positioned at two sides and the Angle formwork 13 positioned at two side bottoms；The side template 12
One end and corresponding 11 one end of top template are hinged, and the other end and corresponding 13 one end of Angle formwork are hinged；The door frame 2 includes the cross at top
Beam 21 and the supporting leg of two sides of the bottom 22；22 top of supporting leg is connected with crossbeam 21；The following steps carried out including sequence:
Step 1: filling in cushion block between 13 bottom of Angle formwork and inverted arch fill concrete top surface, make 13 bottom of Angle formwork
It is supported in inverted arch fill concrete top surface；At the both ends of Tunnel Second Lining formwork jumbo, by Angle formwork 13 and side template 12, side
Template 12 and the hinged place of top template 11 are fixed temporarily；
Step 2: releasing the connection between modular unit 1 and door frame 2；
Step 3: it is longitudinal by the removal modular unit 1 of door frame 2 along tunnel, it is kept completely separate door frame 2 with modular unit 1；
It is repaired Step 4: carrying out door frame 2；
Step 5: moving to original position for the door frame 2 finished has been repaired；
Step 6: door frame 2 is connected with modular unit 1；
Step 7: releasing interim solid between Angle formwork 13 and side template 12, side template 12 and the hinged place of top template 11
It is fixed.
The present invention individually removes door frame 2 and carries out the reparation of door frame 2, with whole shifting by separating modular unit 1 with door frame 2
Dynamic secondary lining formwork jumbo is compared, firstly, traction is more convenient laborsaving, has saved manpower and pulling equipment；Secondly, door frame 2 accounts for
It is smaller with the height and width in tunnel, after individually removing door frame 2, it is easier to look for enough spaces for door in tunnel internal
2 repair of frame conducive to the investment for shortening manpower and pulling equipment, while also shortening maintenance cycle；Finally, when removing door frame 2,
1 indwelling of modular unit provides accurate position in original position, for the door frame 2 after repairing, when shortening the adjustment of the reset of door frame 2
Between.
In step 1, cushion block is filled between 13 bottom of Angle formwork and inverted arch fill concrete top surface, its object is to make
For 13 self-supporting of Angle formwork in inverted arch fill concrete top surface, cushion block can be steel plate, or timber wedge, can also be steel plate with
Timber wedge is applied in combination, and is determined according to the specific spacing etc. between Angle formwork 13 and inverted arch fill concrete top surface, to meet angle
Template 13 is securely supported at inverted arch fill concrete top surface, does not generate subject to displacement between the two.
Due in secondary lining formwork jumbo in use, between side template 12 and top template 11, side template 12 and Angle formwork
It is hinged between 13, in order to avoid causing modular unit 1 to collapse because of generation relative displacement at hinge joint, therefore, in step 1
In, Angle formwork 13 and side template 12, side template 12 and the hinged place of top template 11 are fixed temporarily so that hinge template 13 with
It will not relatively rotate between side template 12, will not relatively rotate between side template 12 and top template 11.
Connection in step 2, between releasing Angle formwork 13, side template 12 and top template 11 and door frame 2.Modular unit 1
Each component part and door frame 2 between generally use hydraulic cylinder etc. and be attached, when specific operation, unclamp hydraulic cylinder and door frame
Connection bolt between 2, is retained in hydraulic cylinder on modular unit 1.
Angle formwork 13 is fixed temporarily with side template 12, side template 12 and the hinged place of top template 11, is releasing angle mould
It is carried out before connection between plate 13, side template 12 and top template 11 and door frame 2, so that door frame 2 remains unchanged when being fixed temporarily
It plays a supporting role to modular unit 1, modular unit 1 collapses caused by capable of effectivelying prevent because of reasons such as vibrations, improves template list
The stability that member 1 is reinforced.
In step 3, after door frame 1 removes modular unit 1, compare since it occupies tunnel space relative to entire trolley
It is small, there are enough spaces to overhaul in tunnel for door frame 1, therefore, door frame 1, can be as needed in tunnel without removing tunnel
Suitable position overhauled.
Hinged place realization can be set in using two pieces of collets to be fixed temporarily, but collet installation is inconvenient, it is preferred that as schemed
Shown in 2, in step 2, junction steel plate 3 is set in hinged place, the junction steel plate 3 and the template of hinged place two sides are welded to connect
It is fixed temporarily with realizing.
It is welded to connect realization by the template of junction steel plate 3 and hinged place two sides to be fixed temporarily, operation is simple.Work as position
When the hinged place of Angle formwork 13 and side template 12, the template of hinged place two sides is respectively corresponding Angle formwork 13 and side template
12.When being located at the hinged place of side template 12 and top template 11, the template of hinged place two sides is respectively corresponding 12 He of side template
Top template 11.
In order to modular unit 1 enhance protect, avoid because vibration etc. reasons cause modular unit 1 be fixed temporarily failure or
Integrated deflection etc., it is preferred that after step 3, before step 4, as shown in Fig. 2, setting diagonal brace 4,4 one end branch of diagonal brace
It supports in inverted arch fill concrete top surface, the other end is supported in 1 inside of modular unit.Refer to that modular unit 1 encloses on the inside of modular unit 1
At arch surround region in.
Diagonal brace 4 can be supported in Angle formwork 13, it is preferred that the diagonal brace 4 is supported in side template 12.For diagonal brace 4 itself
Stability, diagonal brace 4 is advisable horizontal by 45 ° of installations.
It in step 4, is removed in place to door frame 2, before repairing, corrects the supporting leg 22 of door frame 2.
Preferably, using the supporting leg 22 of chain block correction door frame 2.
It is fixed on the lining cutting of tunnel two sides using chain block one end, the other end acts on supporting leg 22, by supporting leg 22 to two sides
It pulls open, adjustment is more convenient laborsaving.
Claims (6)
1. Tunnel Second Lining formwork jumbo method for maintaining, the secondary lining trolley includes arc formwork unit (1) and is located at
The door frame (2) of modular unit (1) is used to support on the inside of modular unit (1)；The modular unit (1) includes being located at arch along its circumferential direction
The top template (11) at top, the side template (12) positioned at two sides and the Angle formwork (13) positioned at two side bottoms；The side template
(12) one end and corresponding top template (11) one end are hinged, and the other end and corresponding Angle formwork (13) one end are hinged；Door frame (2) packet
Include the crossbeam (21) at top and the supporting leg (22) of two sides of the bottom；Supporting leg (22) top is connected with crossbeam (21)；Its feature
It is, the following steps carried out including sequence:
Step 1: filling in cushion block between Angle formwork (13) bottom and inverted arch fill concrete top surface, make Angle formwork (13) bottom
It is supported in inverted arch fill concrete top surface；At the both ends of Tunnel Second Lining trolley, by Angle formwork (13) and side template (12), side
Template (12) and the hinged place of top template (11) are fixed temporarily；
Step 2: releasing the connection between modular unit (1) and door frame (2)；
Step 3: it is longitudinal by door frame (2) removal modular unit (1) along tunnel, it is kept completely separate door frame (2) with modular unit (1)；
Step 4: carrying out door frame (2) maintenance；
Step 5: moving to original position for the door frame (2) finished has been repaired；
Step 6: door frame (2) is connected with modular unit (1)；
Step 7: releasing facing between Angle formwork (13) and side template (12), side template (12) and the hinged place of top template (11)
When fix.
2. Tunnel Second Lining formwork jumbo method for maintaining as described in claim 1, which is characterized in that in step 1, cutting with scissors
It meets place and junction steel plate (3) is set, the template of the junction steel plate (3) and stitching portion two sides is welded to connect to be fixed temporarily with realizing.
3. Tunnel Second Lining formwork jumbo method for maintaining as described in claim 1, which is characterized in that after step 3,
And before step 4, it is arranged diagonal brace (4), described diagonal brace (4) one end is supported in inverted arch fill concrete top surface, and the other end is supported in
On the inside of modular unit.
4. Tunnel Second Lining formwork jumbo method for maintaining as claimed in claim 3, which is characterized in that diagonal brace (4) branch
It supports in side template (12).
5. the Tunnel Second Lining formwork jumbo method for maintaining as described in claim 1-4 any one claim, feature
It is, in step 4, is removed in place to door frame (2), before repairing, correct the supporting leg (22) of door frame (2).
6. Tunnel Second Lining formwork jumbo method for maintaining as claimed in claim 5, which is characterized in that rectified using chain block
The supporting leg (22) of positive door frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007453.1A CN108952769B (en) | 2018-08-31 | 2018-08-31 | Maintenance method for tunnel secondary lining formwork trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007453.1A CN108952769B (en) | 2018-08-31 | 2018-08-31 | Maintenance method for tunnel secondary lining formwork trolley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108952769A true CN108952769A (en) | 2018-12-07 |
| CN108952769B CN108952769B (en) | 2020-02-07 |
Family
ID=64475017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811007453.1A Active CN108952769B (en) | 2018-08-31 | 2018-08-31 | Maintenance method for tunnel secondary lining formwork trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108952769B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273695A (en) * | 2019-07-13 | 2019-09-24 | 中国三冶集团有限公司 | A kind of Tunnel Second Lining formwork jumbo and its stage molding pouring procedure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002235495A (en) * | 2001-02-07 | 2002-08-23 | Gifu Kogyo Co Ltd | Concrete placing method and device for tunnel widening work |
| JP2007092310A (en) * | 2005-09-27 | 2007-04-12 | Mk Engineering:Kk | Inner form structure |
| CN101824994A (en) * | 2010-04-27 | 2010-09-08 | 池州恒毅设备制造有限公司 | Concrete lining steel formwork jumbo |
| KR20110131530A (en) * | 2010-05-31 | 2011-12-07 | 선산철강공업(주) | A travelling steel form |
| CN204419200U (en) * | 2014-11-14 | 2015-06-24 | 中铁二十一局集团第三工程有限公司 | One kind of multiple bore tunnel hydraulic lining trolleys |
| CN207177929U (en) * | 2017-09-30 | 2018-04-03 | 中铁十二局集团有限公司 | Arc adhesion type two serves as a contrast concrete and pours elephant trunk by window |
| CN108035737A (en) * | 2017-12-07 | 2018-05-15 | 中国十九冶集团有限公司 | Tunnel secondary lining template trolley sealing foot structure and mounting method thereof |
-
2018
- 2018-08-31 CN CN201811007453.1A patent/CN108952769B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002235495A (en) * | 2001-02-07 | 2002-08-23 | Gifu Kogyo Co Ltd | Concrete placing method and device for tunnel widening work |
| JP2007092310A (en) * | 2005-09-27 | 2007-04-12 | Mk Engineering:Kk | Inner form structure |
| CN101824994A (en) * | 2010-04-27 | 2010-09-08 | 池州恒毅设备制造有限公司 | Concrete lining steel formwork jumbo |
| KR20110131530A (en) * | 2010-05-31 | 2011-12-07 | 선산철강공업(주) | A travelling steel form |
| CN204419200U (en) * | 2014-11-14 | 2015-06-24 | 中铁二十一局集团第三工程有限公司 | One kind of multiple bore tunnel hydraulic lining trolleys |
| CN207177929U (en) * | 2017-09-30 | 2018-04-03 | 中铁十二局集团有限公司 | Arc adhesion type two serves as a contrast concrete and pours elephant trunk by window |
| CN108035737A (en) * | 2017-12-07 | 2018-05-15 | 中国十九冶集团有限公司 | Tunnel secondary lining template trolley sealing foot structure and mounting method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273695A (en) * | 2019-07-13 | 2019-09-24 | 中国三冶集团有限公司 | A kind of Tunnel Second Lining formwork jumbo and its stage molding pouring procedure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108952769B (en) | 2020-02-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103898836B (en) | Cable stayed bridge H type Sarasota height top rail steel battered leg prestress stent construction method | |
| JP6902184B2 (en) | Work equipment and overhang erection method | |
| CN104109999A (en) | Construction method for bridge tower transverse beams | |
| CN105350454B (en) | Steel arch rib outer wrapped concrete construction method for steel trussed arch bridge | |
| CN209457425U (en) | A kind of ancient architecture wall recovery support | |
| JP2009144362A (en) | Method of self-supporting arched concrete reinforcement for tunnel | |
| JP6071581B2 (en) | Pipe laying method | |
| CN108952769A (en) | Maintenance method for tunnel secondary lining formwork trolley | |
| CN109722992A (en) | A kind of device and method of dumbbell-shaped arch rib installation positioning | |
| CN204386608U (en) | A kind of tunnel invert construction tool | |
| CN107100655A (en) | Weak surrounding rock locally changes the simple temporary support system of arch and its applies method | |
| CN106979023A (en) | The adjustable concrete end mould of Tunnel Second Lining width and its adjusting method | |
| CN101476330B (en) | Thick and large-volume concrete elastic base and construction method thereof | |
| CN107905818B (en) | Tunnel concrete lining construction auxiliary equipment and construction process | |
| KR200283076Y1 (en) | Mobile tunel mold with a system for adjusting position of upper mold | |
| JP2020153104A (en) | Repair method of bridge pier | |
| CN109372261A (en) | A kind of masonry secretly buries the pre-buried fixed framing device of case | |
| JP6534938B2 (en) | Lining plate installation and rain curing jig and lining plate installation method using the jig | |
| CN211314211U (en) | Jacking and descending device of shield machine | |
| CN102817322A (en) | Shrinkable internal model without draw bar | |
| CN207437103U (en) | Weak surrounding rock locally changes the simple temporary support system of arch | |
| CN103981893A (en) | Embedded bolt suspending and reinforcing device and method for foundation of steam turbine | |
| CN219910785U (en) | Synchronous binding rack for open cut tunnel steel bars | |
| CN110952448A (en) | Construction method of steel shell concrete combined cable tower | |
| CN104878734B (en) | A kind of ship lift Nut column removes frock and method for dismounting thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |