CN111927496A - Integral rapid transfer system of support and template system and construction method - Google Patents
Integral rapid transfer system of support and template system and construction method Download PDFInfo
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- CN111927496A CN111927496A CN202010680134.8A CN202010680134A CN111927496A CN 111927496 A CN111927496 A CN 111927496A CN 202010680134 A CN202010680134 A CN 202010680134A CN 111927496 A CN111927496 A CN 111927496A
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- 238000010276 construction Methods 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 82
- 239000010959 steel Substances 0.000 claims abstract description 82
- 238000009415 formwork Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000002023 wood Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 3
- 238000004804 winding Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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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
- E21D11/04—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
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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
- E21D11/04—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
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
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- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The integral rapid transfer system comprises channel steel at the bottom of a socket type disc buckle type scaffold, a traction cross beam and a winch, wherein the traction cross beam is connected with the channel steel through a steel beam connecting buckle and is connected with the winch through a steel wire rope. The invention relates to a construction process for integrally transferring a cast-in-place tunnel roof formwork support in a limited space, which solves the problems of repeated assembly and disassembly of the formwork support, high personnel and equipment investment, long construction period, high material loss and the like in the traditional process, and reduces the construction safety risk.
Description
Technical Field
The invention relates to the field of tunnel construction, in particular to a support and template system integral rapid transfer system and a construction method.
Background
At present, the construction technology of the cast-in-place tunnel template in China mainly comprises two technologies, wherein a large hydraulic combined steel mould process is generally adopted in an open operation space, a repeated assembling and disassembling construction process of the template and the support is generally adopted in a limited operation space, and the application technology of the integral transfer of the template system of the large support adopted in the limited space is less.
The tunnel working face is very narrow, and on-the-spot mechanical equipment and personnel material density are high, can't adopt large-scale hydraulic pressure combination steel mould, when adopting every section of construction of traditional construction process, need repeatedly set up, demolish roof template and support, the construction time consuming is long, the process is loaded down with trivial details.
Disclosure of Invention
The invention aims to solve the problems of repeated assembling and disassembling of the roof template and the support of the limited space pouring tunnel, complicated working procedures and long construction period, provides a construction method for integrally and quickly transferring the support and the template system in the limited space, and solves the problem of high formwork supporting safety risk of the limited space cast-in-place tunnel.
The technical scheme adopted by the invention is as follows:
the utility model provides a whole quick transfer system of support and template system, includes the channel-section steel of socket joint type dish knot formula scaffold frame bottom, pulls crossbeam and hoist engine, pulls the crossbeam and passes through girder steel connection buckle and be connected with the channel-section steel, pulls the crossbeam and passes through the steel wire rope and be connected with the hoist engine.
The channel steel at the bottom of the socket type disc buckle type scaffold is U-shaped channel steel, and the U-shaped channel steel at the bottom is connected into a whole by using an M20 bolt.
The steel beam connecting buckle comprises a double lug plate connected to the traction cross beam, the double lug plate is rotatably connected with a cross connecting plate through a bolt shaft, and the cross connecting plate is fixed in a steel groove of the U-shaped channel steel.
The vertical plates in the cross connecting plates are connected between the double lug plates through bolt shafts, and the transverse plates of the cross connecting plates are fixed on the inner side walls of the grooves of the U-shaped channel steel.
The double-lug plate is provided with a hook slot connected with the traction beam, and the hook slots at the two sides of the double-lug plate are fixed with side wing plates connected with the traction beam through bolts.
A construction method for integrally and quickly transferring a support and a template system comprises the following steps:
(1) preparation work before template traction: pouring and maintaining tunnel concrete, establishing a tunnel top plate template system and a template transfer system, loosening the adjustable upper supporting panel, and ensuring that the template modules are in a mutually separated and demoulded state;
(2) and (3) linear traction of the template: the module is split into a plurality of units, and each unit is sequentially pulled to the next pouring section; connecting the bottom U-shaped channel steel into a whole by using a connecting piece, so that the whole transfer of a plurality of template units is realized;
(3) and (3) independently drawing the template: under the condition that the angle of the outer wall changes, the influence of a structural chamfer form on a template unit near a wall body is considered, the group of template supports need to be separately pulled, and during pulling, in order to ensure that a stress system of the template supports is stable and reliable, bolts at the connecting positions of U-shaped channel steels are removed, so that the modular unit is separately pulled;
(4) and (3) a template traction process: transferring the top plate template to a support jacking panel of a lower-adjusting top plate template system, then moving the template in a form of pulling a platform template by a winch in groups, and moving the template to the working surface of the next construction area for flow construction;
(5) adjusting the template in place: and (4) adjusting an upper supporting panel of the top plate formwork system in the next construction area to enable the top plate formwork to be installed in place.
The tunnel roof template system comprises a socket type disc buckle type scaffold, double-spliced channel steel, wood beams and a panel, wherein the double-spliced channel steel is fixed at the top of the socket type disc buckle type scaffold, a plurality of wood beams are fixed on the double-spliced channel steel, the panel is fixed at the top of each wood beam, and the panel is supported on the lower surface of tunnel concrete;
before the template is dragged, a safety protection device is arranged on the edge of the template of the top plate in preparation for working, and the dragging line is kept flat and tidy.
The template traction process is that before module transfer, a traction beam is firstly checked and installed, after installation, whether connection is tight is checked, after the check, the connection is connected and reinforced with a winch through a steel wire rope, and after the connection is completed, a winch traction module system is started.
The invention has the beneficial effects that: the invention relates to a construction process for integrally transferring a cast-in-place tunnel roof formwork support in a limited space, which solves the problems of repeated assembly and disassembly of the formwork support, high personnel and equipment investment, long construction period, high material loss and the like in the traditional process, and reduces the construction safety risk.
Drawings
FIG. 1 is a schematic diagram of the separation between template modules according to the present invention.
Fig. 2 is a schematic drawing of a straight line drawing of the die plate of the present invention.
Fig. 3 is a schematic drawing of the form of the present invention in a single pull plane.
Fig. 4 is a schematic view of a connection structure between the channel steels of the present invention.
Fig. 5 is a schematic view of a connection structure of the channel steel and the traction beam in the same plane.
Fig. 6 is a schematic view of a connection structure of the channel steel and the traction beam in different planes.
Fig. 7 is a schematic plane view of the connection between the channel steel and the traction beam.
Wherein: 1-socket type disc buckle type scaffold; 2-double-spliced channel steel; 3-a wood beam; 4-a panel; 5-channel steel; 6-a transverse plate; 7-a vertical plate; 8-bolt; 9-steel wire rope; 10-a traction beam; 11-the steel beam is connected with a buckle; 12-a double ear plate; 13-bolt shaft; 14-a cross web; 15-side wing plate; 16-slotting of the hook.
Detailed Description
The utility model provides a whole quick transfer system of support and template system, includes the channel-section steel 5 of 1 bottoms of socket joint type dish knot formula scaffold frame, pulls crossbeam 10 and hoist engine, pulls crossbeam 10 and is connected with channel-section steel 5 through girder steel connection buckle 11, pulls crossbeam 10 and is connected with the hoist engine through steel wire rope 9.
The channel steel 5 at the bottom of the socket type disc buckle type scaffold 1 is a U-shaped channel steel, and the U-shaped channel steel 5 at the bottom is connected into a whole by using an M20 bolt 8.
The steel beam connecting buckle 11 comprises a double-lug plate 12 connected to the traction beam 10, the double-lug plate 12 is rotatably connected with a cross connecting plate 14 through a bolt shaft 13, and the cross connecting plate 14 is fixed in a steel groove of the U-shaped channel steel 5.
The vertical plate 7 of the cross connecting plate 14 is connected to the middle of the double-lug plate 12 through a bolt shaft 13, and the transverse plate 6 of the cross connecting plate 14 is fixed on the inner side wall of the groove of the U-shaped channel steel 5.
The double-lug plate 12 is provided with a hook slot 16 connected with the traction beam 10, and the hook slots 16 at two sides of the double-lug plate 12 are fixed with side wing plates 15 which can be connected with the traction beam 10 through bolts.
A construction method for integrally and quickly transferring a support and a template system comprises the following steps:
(1) preparation work before template traction: pouring and maintaining tunnel concrete, establishing a tunnel top plate template system and a template transfer system, loosening the adjustable upper supporting panel 4, and ensuring that the template modules are in a mutually separated and demoulded state;
(2) and (3) linear traction of the template: the module is split into a plurality of units, and each unit is sequentially pulled to the next pouring section; connecting the bottom U-shaped channel steels 5 into a whole by using a connecting piece, so that the whole transfer of a plurality of template units is realized;
(3) and (3) independently drawing the template: under the condition that the angle of the outer wall changes, the influence of the structural chamfer form on the template unit near the wall body is considered, the group of template supports need to be separately pulled, and during pulling, in order to ensure that a stress system of the template supports is stable and reliable, bolts 8 at the connecting positions of U-shaped channel steels 5 are removed, so that the modular unit is separately pulled;
(4) and (3) a template traction process: the top plate template is transferred to a support jacking panel 4 of a lower top plate template system, then the form is transferred by adopting a winding engine to pull the form in groups, and the top plate template is transferred to the operation surface of the next construction area to be constructed in a flowing water way;
(5) adjusting the template in place: and (4) adjusting an upper supporting panel 4 of the top plate formwork system in the next construction area to enable the top plate formwork to be installed in place.
The tunnel roof template system comprises a socket type disc buckle type scaffold 1, double-spliced channel steel 2, wood beams 3 and a panel 4, wherein the double-spliced channel steel 2 is fixed at the top of the socket type disc buckle type scaffold 1, a plurality of wood beams 3 are fixed on the double-spliced channel steel 2, the panel 4 is fixed at the top of each wood beam 3, and the panel 4 is supported on the lower surface of tunnel concrete;
before the template is dragged, a safety protection device is arranged on the edge of the template of the top plate in preparation for working, and the dragging line is kept flat and tidy.
The template traction process is that before module transfer, a traction beam 10 is firstly checked and installed, after installation, whether connection is tight is checked, after the connection is finished, the connection is connected and reinforced with a winch through a steel wire rope 9, and after the connection is finished, a winch traction module system is started.
The invention will be illustrated in detail below with reference to specific examples:
the tunnel of the hidden-buried section of the west artificial island has limited construction space,
a construction method for integrally and quickly transferring a support and a template system comprises the following steps:
(1) preparation work before template traction: pouring and maintaining tunnel concrete, establishing a tunnel roof template system and a template transfer system, loosening an adjustable upper supporting panel 4, and ensuring that template modules are in a mutually separated and demoulded state, wherein the tunnel roof template system comprises a socket type disc buckle type scaffold 1, a 14# double-spliced channel steel 2, a 24# wood beam 3 and a 21mm panel 4, the double-spliced channel steel 2 is fixed at the top of the socket type disc buckle type scaffold 1, a plurality of wood beams 3 are fixed on the double-spliced steel grooves 2, the panel 4 is fixed at the top of each wood beam, and the panel 4 is supported on the lower surface of the tunnel concrete; the template transfer system comprises channel steel 5 at the bottom of the socket type disc buckle type scaffold 1, a traction crossbeam 10 and a winch, wherein the traction crossbeam 10 is connected with the channel steel 5 through a steel beam connecting buckle 11, and the traction crossbeam 10 is connected with the winch through a steel wire rope 9; installing a safety protection device on the edge of the top plate template and keeping a traction line flat and tidy; the steel beam connecting buckle 11 comprises a double-lug plate 12 connected to the traction cross beam 10, the double-lug plate 12 is rotatably connected with a cross connecting plate 14 through a bolt shaft 13, and the cross connecting plate 14 is fixed in a steel groove of the U-shaped channel steel 5. The vertical plate 7 of the cross connecting plate 14 is connected to the middle of the double-lug plate 12 through a bolt shaft 13, and the transverse plate 6 of the cross connecting plate 14 is fixed on the inner side wall of the U-shaped channel steel 5. The double-lug plate 12 is provided with a hook slot 16 connected with the traction beam 10, and the hook slots 16 at two sides of the double-lug plate 12 are fixed with side wing plates 15 which can be connected with the traction beam 10 through bolts.
(2) And (3) linear traction of the template: the module is split into a plurality of units, and each unit is sequentially pulled to the next pouring section; the bottom U-shaped channel steels 5 are connected into a whole by using a connecting piece, so that the whole transfer of a plurality of template units is realized, the channel steels 5 at the bottom of the socket-type disc buckle type scaffold 1 are U-shaped channel steels, and the bottom U-shaped channel steels 5 are connected into a whole by using M20 bolts 8;
(3) and (3) independently drawing the template: under the condition that the angle of the outer wall changes, the influence of the structural chamfer form on the template unit near the wall body is considered, the group of template supports need to be separately pulled, and during pulling, in order to ensure that a stress system of the template supports is stable and reliable, bolts 8 at the connecting positions of U-shaped channel steels 5 are removed, so that the modular unit is separately pulled;
(4) and (3) a template traction process: the top plate template is transferred to a support jacking panel 4 of a lower-adjusting top plate template system and then is moved to the working surface of the next construction area in a form of flowing water by adopting a winding engine to pull a platform die in groups, the concrete template traction process is that a traction cross beam 10 is firstly checked and installed before the module is transferred, whether connection is tight or not is checked after installation is finished, after the check is finished, the module is connected and reinforced with the winding engine through a steel wire rope 9, and after the connection is finished, the winding engine traction module system is started;
(5) adjusting the template in place: and (4) adjusting an upper supporting panel 4 of the top plate formwork system in the next construction area to enable the top plate formwork to be installed in place.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (9)
1. The utility model provides a whole system that shifts fast of support and template system which characterized in that, including channel-section steel (5) of socket joint type dish knot formula scaffold (1) bottom, pull crossbeam (10) and hoist engine, pull crossbeam (10) and be connected with channel-section steel (5) through girder steel connection buckle (11), pull crossbeam (10) and be connected with the hoist engine through steel wire rope (9).
2. The system for integral rapid transfer of a scaffold and formwork system according to claim 1, wherein the channel steel (5) at the bottom of the socket type dish button scaffold (1) is a U-shaped channel steel, and the U-shaped channel steel (5) at the bottom is integrally connected by using M20 bolts (8).
3. The integral rapid transfer system of a support and formwork system according to claim 2, wherein the steel beam connecting buckle (11) comprises a double lug plate (12) connected to the traction beam (10), the double lug plate (12) is rotatably connected with a cross connecting plate (14) through a bolt shaft (13), and the cross connecting plate (14) is fixed in a steel groove of the U-shaped channel steel (5).
4. The integral rapid transfer system of a support and formwork system as claimed in claim 3, wherein the vertical plates (7) of the cross connecting plate (14) are connected to the middle of the double lug plates (12) through bolt shafts (13), and the transverse plates (6) of the cross connecting plate (14) are fixed on the inner side walls of the grooves of the U-shaped channel steel (5).
5. The system for integrally and rapidly transferring the support and the template system according to claim 4, wherein the double lug plates (12) are provided with hook slots (16) connected with the traction beam (10), and side wing plates (15) connected with the traction beam (10) through bolts are fixed at the hook slots (16) at two sides of the double lug plates (12).
6. A construction method for integrally and quickly transferring a support and a template system is characterized by comprising the following steps:
a. preparation work before template traction: pouring and maintaining tunnel concrete, establishing a tunnel top plate template system and a template transfer system, loosening the adjustable upper supporting plate (4), and ensuring that the template modules are in a mutually separated and demoulded state;
b. and (3) linear traction of the template: the module is split into a plurality of units, and each unit is sequentially pulled to the next pouring section; connecting the U-shaped channel steels (5) at the bottom into a whole by using a connecting piece, so that the whole transfer of a plurality of template units is realized;
c. and (3) independently drawing the template: under the condition that the angle of the outer wall changes, the influence of a structural chamfer form on a template unit near a wall body is considered, the group of template supports need to be separately pulled, and during pulling, in order to ensure that a stress system of the template supports is stable and reliable, bolts (8) at the connecting positions of U-shaped channel steel (5) are removed, so that the modular unit is separately pulled;
d. and (3) a template traction process: the top plate template is transferred through a support jacking panel (4) of a lower top plate template system, then the form is transferred in a form of pulling a bench formwork by a winch in groups, and the top plate template is transferred to the operation surface of the next construction area to form flow construction;
e. adjusting the template in place: and (3) adjusting an upper supporting panel (4) of the top plate formwork system in the next construction area to enable the top plate formwork to be installed in place.
7. The construction method for integrally and quickly transferring the support and formwork system according to claim 6, wherein the tunnel roof formwork system comprises a socket type disc buckle type scaffold (1), double-spliced channel steel (2), wood beams (3) and panels (4), the double-spliced channel steel (2) is fixed at the top of the socket type disc buckle type scaffold (1), a plurality of wood beams (3) are fixed on the double-spliced channel steel (2), the panels (4) are fixed at the tops of the wood beams (3), and the panels (4) are supported on the lower surface of tunnel concrete.
8. The method of claim 6, wherein the formwork system is prepared for safety protection at the edge of the top formwork in preparation for the formwork pulling operation and the pulling line is kept flat and tidy.
9. The construction method for integrally and rapidly transferring the bracket and the template system according to claim 6, wherein the template traction process comprises the steps of firstly checking and installing the traction beam (10) before module transfer, checking whether the connection is tight after the installation is finished, connecting and reinforcing the traction beam with a winch through a steel wire rope (9) after the check is finished, and starting the winch to pull the module system after the connection is finished.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010680134.8A CN111927496A (en) | 2020-07-15 | 2020-07-15 | Integral rapid transfer system of support and template system and construction method |
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| CN202010680134.8A CN111927496A (en) | 2020-07-15 | 2020-07-15 | Integral rapid transfer system of support and template system and construction method |
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| CN111927496A true CN111927496A (en) | 2020-11-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412166A (en) * | 2022-01-06 | 2022-04-29 | 上海二十冶建设有限公司 | Integrally-moving type cast-in-place concrete roof formwork support and using method thereof |
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2020
- 2020-07-15 CN CN202010680134.8A patent/CN111927496A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412166A (en) * | 2022-01-06 | 2022-04-29 | 上海二十冶建设有限公司 | Integrally-moving type cast-in-place concrete roof formwork support and using method thereof |
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