CN111911198A - Rapid supporting structure for tunnel guide wall template and construction method - Google Patents
Rapid supporting structure for tunnel guide wall template and construction method Download PDFInfo
- Publication number
- CN111911198A CN111911198A CN202010822791.1A CN202010822791A CN111911198A CN 111911198 A CN111911198 A CN 111911198A CN 202010822791 A CN202010822791 A CN 202010822791A CN 111911198 A CN111911198 A CN 111911198A
- Authority
- CN
- China
- Prior art keywords
- guide wall
- guide
- pipe
- arch
- supporting structure
- 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.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 50
- 239000010959 steel Substances 0.000 claims abstract description 50
- 238000009415 formwork Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 10
- 238000013461 design Methods 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 239000011083 cement mortar Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- 239000011120 plywood Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 3
- 238000011900 installation process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
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
- E21D11/04—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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
Abstract
The application discloses a rapid support structure for a tunnel guide wall template and a construction method, wherein a guide pipe is arranged in a guide wall, the inclination angle of the guide pipe is 1-3 degrees, and two ends of the guide wall are provided with arch feet; the supporting system comprises a transverse supporting pipe and an oblique supporting pipe, and two ends of the oblique supporting pipe are respectively connected with the transverse supporting pipe and the guide wall. The construction method avoids the potential safety hazard in the installation process of the steel pipe bowl scaffold, reduces the investment of equipment, improves the utilization rate of existing materials, saves the construction cost and shortens the construction period; the method has the outstanding effects of high safety, strong economy and quick construction progress.
Description
Technical Field
The invention belongs to the field of tunnel engineering in the railway industry, is applied to the construction condition of tunnel guide wall template installation, and particularly relates to a structure and a construction method for tunnel guide wall template installation support.
Background
With the continuous development of the railway industry in China, the railway construction demand is continuously increased. The peripheral space of railway tunnel is narrow and small, and template support and support system are narrow and small in the parking lot ground, can't deposit too much, need process in advance and install, receive tunnel entrance to a cave topography restriction and how to support the installation of guide wall template fast, and the construction method that improves the construction progress is the problem that needs to solve at present urgently.
The conventional construction method adopts a bowl buckle scaffold for erection, and the application method has the advantages that the tunnel portal is narrow and small, the construction space is effective, the scaffold is not beneficial to supporting a template during installation, and the template is easy to explode, so that the scaffold cannot be adopted.
The conventional construction method has the following defects: 1) the method comprises the following steps that a core soil construction guide wall is reserved in the circumferential direction of a tunnel, installation of steel pipe bowl opening supports is limited by site terrain, corresponding intervals cannot be arranged at equal intervals, a bottom formwork of the guide wall is uneven in stress, uneven settlement is prone to occurring, construction quality of the guide wall cannot be guaranteed, and project quality control is not facilitated; 2) the steel pipe bowl opening scaffold needs to be leased or purchased externally, so that a large number of easily damaged components are needed, corresponding components are easily lost due to difficulty in management, the difficulty in management is increased, and the construction cost is increased; 3) the steel pipe bowl-mouth scaffold is connected by a fastener, so that the artificial interference is large, the stability of the bowl-mouth scaffold in the construction process is poor, and unsafe hidden dangers such as collapse are easy to occur; 4) in the construction process of the guide wall, the vertical arch frames are interfered with each other when bowl-mouth scaffolds are erected, and the construction progress is slow.
Disclosure of Invention
The application mainly aims to provide a rapid supporting structure for a tunnel guide wall template and a construction method, and the rapid supporting structure has the advantages of good safety, high working efficiency, convenience in installation and convenience in rapid construction.
In order to achieve the above object, the present application provides a rapid supporting structure for a tunnel guide wall template, including:
the guide wall is internally provided with a guide pipe, the inclination angle of the guide pipe is 1-3 degrees, and two ends of the guide wall are provided with arch feet;
the supporting system comprises a transverse supporting pipe and an oblique supporting pipe, and two ends of the oblique supporting pipe are respectively connected with the transverse supporting pipe and the guide wall.
Preferably, the arch of the guide wall is 140 °, and the arch foot has a size of 1m × 0.6m × 1.5 m.
Preferably, the guide wall comprises 2 light-weight I-shaped steel frames with the longitudinal distance of 50cm, and the 18 light-weight I-shaped steel frames consist of three units, wherein each unit has the arc length of 6219mm and the radius of 7670 mm.
Preferably, the diameter of the guide pipe is 140mm, the wall thickness is 6mm, the circumferential center distance of the guide pipe is 40cm, the center distance of the guide pipe is 60cm from the top of the guide wall, and the center distance of the guide pipe is 40cm from the bottom of the guide wall.
Preferably, 47 guide pipes are arranged in the guide wall in a whole ring mode, and the circumferential center distance of the guide pipes is 40 cm.
The application also provides a construction method for the rapid support of the tunnel guide wall template, which comprises the following steps:
s1, firstly excavating a guide wall foundation, reserving a platform, controlling elevation, excavating two sides of the guide wall to the elevation of the bottom of the guide wall foundation to enable the elevation to be 1-3m lower than a retaining arch, positioning an arch sheathing foundation on stable bed rock, and installing an arch frame after the concrete strength reaches 100% of the designed strength;
s2, arranging 2 pieces of 18 light I-shaped steel frames in the guide wall, wherein the longitudinal distance between the H-shaped steel frames is 45-60cm, arranging guide pipes on the outer edges of the steel frames, welding and fixing the guide pipes and the steel frames, wherein the guide pipes are hot-rolled seamless steel pipes with the diameter of 140 multiplied by 5mm, the length of 1m and the circumferential distance of 35-45cm, paying off to determine the positions of the guide pipes, and firmly welding the guide pipes on the positioning I18a I-shaped steel;
s3, laying a bottom die on the scaffold, wherein the bottom die is firmly connected with the scaffold, and erecting an end die, a side die and a top die;
s4, processing the supporting system;
and S5, checking the template, the guide pipe and the steel frame again before pouring the concrete, performing necessary adjustment on the exceeding of the standard allowable value, performing centralized production supply on the concrete by a mixing station, pouring by manually matching with a machine and vibrating to be compact, and symmetrically pouring from two sides of the arch foot to the middle of the arch foot until the arch top is formed.
Preferably, in step S2, the two ends of the guide tube are wrapped with woven cloth to prevent the cement mortar from blocking.
Preferably, in step S3, the bottom mold, the end mold, and the side mold are made of wood templates with a thickness of 5cm, the outer side of the end mold is made of phi 22 steel bars as braces, the inner side of the end mold is made of an I18I-steel frame, the outer side of the steel frame is laid with the templates, the top mold is made of 18mm thick bamboo plywood, two braces are arranged on the outer side of the top mold, the braces are reinforced by steel pipes, the distance between the braces and the templates is 40cm, and the braces and the gaps between the templates are plugged by wood wedges.
Preferably, step S4, the corresponding connection position of the support system welded in advance can be bolted or welded to ensure that field installation is facilitated; firstly, mounting strip-shaped templates, assembling circumferential I-shaped steel on the lower part of the strip-shaped templates, and fixedly connecting the corresponding templates with the circumferential I-shaped steel; the transverse support tube is installed first, and then the oblique support tube is installed quickly according to bolting or welding.
Preferably, the method further comprises a step S6 of sprinkling water and covering and maintaining by a plastic film after the concrete pouring is finished, wherein the maintenance period is not less than 7 days, the non-bearing part formwork can be removed after the strength of the same-maintenance test block reaches 80% of the design strength, and the bearing part formwork can be removed after the strength of the same-maintenance test block reaches 100% of the design strength.
The beneficial effect of this application is: the construction method avoids the potential safety hazard in the installation process of the steel pipe bowl scaffold, reduces the investment of equipment, improves the utilization rate of existing materials, saves the construction cost and shortens the construction period; have the outstanding effect that the security is high, the economic nature is strong, the construction progress is fast: 1) the guide wall rapid installation template support has high system bearing capacity, strong practicability and simple operation, has obvious construction effect on rapid installation of the guide wall template, and greatly improves the construction progress of the guide wall; 2) the guide wall quick installation template support system can be used for construction of other guide walls in a turnover mode, field processing is convenient, operation is simple, equipment investment is reduced, and construction cost can be greatly saved. By adopting the method, the linear control of the installation quality of the guide wall template can be ensured, and the construction quality of the guide wall is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
fig. 1 is a schematic view of a rapid supporting structure for a tunnel guide wall formwork.
1-guide wall, 2-oblique support tube, 3-arch springing, 4-guide tube, 5-transverse support tube.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, includes:
the guide wall comprises a guide wall 1, wherein a guide pipe 4 is arranged in the guide wall 1, the inclination angle of the guide pipe 4 is 1-3 degrees, and two ends of the guide wall 1 are provided with arch feet 3;
the supporting system comprises a transverse supporting pipe 5 and an oblique supporting pipe 2, and two ends of the oblique supporting pipe 2 are respectively connected with the transverse supporting pipe and the guide wall.
In the present embodiment, the arch of the guide wall 1 is 140 °, and the arch springing 3 has a size of 1m × 0.6m × 1.5 m.
In the embodiment, the guide wall 1 comprises 2 light-weight I-shaped steel frames with the longitudinal distance of 50cm, and the 18 light-weight I-shaped steel frames are composed of three units, wherein each unit has the arc length of 6219mm and the radius of 7670 mm.
In the embodiment, the diameter of the guide pipe is 140mm, the wall thickness is 6mm, the circumferential center distance of the guide pipe is 40cm, the center distance of the guide pipe is 60cm from the top of the guide wall, and the center distance of the guide pipe is 40cm from the bottom of the guide wall.
In this embodiment, 47 guide tubes are arranged in the guide wall 1 in a whole ring, and the circumferential center of the guide tube 4 is spaced by 40 cm.
The application also provides a construction method for the rapid support of the tunnel guide wall template, which comprises the following steps:
s1, firstly excavating a guide wall foundation, reserving a platform, controlling elevation, excavating two sides of the guide wall to the elevation of the bottom of the guide wall foundation to enable the elevation to be 1-3m lower than a retaining arch, positioning an arch sheathing foundation on stable bed rock, and installing an arch frame after the concrete strength reaches 100% of the designed strength;
s2, arranging 2 pieces of 18 light I-shaped steel frames in the guide wall, wherein the longitudinal distance between the H-shaped steel frames is 45-60cm, arranging guide pipes on the outer edges of the steel frames, welding and fixing the guide pipes and the steel frames, wherein the guide pipes are hot-rolled seamless steel pipes with the diameter of 140 multiplied by 5mm, the length of 1m and the circumferential distance of 35-45cm, paying off to determine the positions of the guide pipes, and firmly welding the guide pipes on the positioning I18a I-shaped steel;
s3, laying a bottom die on the scaffold, wherein the bottom die is firmly connected with the scaffold, and erecting an end die, a side die and a top die;
s4, processing the supporting system;
and S5, checking the template, the guide pipe and the steel frame again before pouring the concrete, performing necessary adjustment on the exceeding of the standard allowable value, performing centralized production supply on the concrete by a mixing station, pouring by manually matching with a machine and vibrating to be compact, and symmetrically pouring from two sides of the arch foot to the middle of the arch foot until the arch top is formed.
In this embodiment, in step S2, the two ends of the guide tube are wrapped with woven cloth to prevent the cement mortar from blocking.
In this embodiment, in step S3, the bottom mold, the end mold, and the side mold are made of wood formwork with a thickness of 5cm, the outer side of the end mold is made of phi 22 steel bars as braces, the inner side of the end mold is made of I18I-steel frames, the formwork is laid on the outer side of the steel frames, the top mold is made of 18mm thick bamboo plywood, two braces are disposed on the outer side of the top mold, the braces are reinforced by steel pipes, the distance between the braces and the formwork is 40cm, and gaps between the braces and the formwork are plugged by wood wedges.
In this embodiment, step S4, bolting or welding can be performed at the corresponding connection position of the support system welded in advance, so as to ensure that field installation is facilitated; firstly, mounting strip-shaped templates, assembling circumferential I-shaped steel on the lower part of the strip-shaped templates, and fixedly connecting the corresponding templates with the circumferential I-shaped steel; the transverse support tube is installed first, and then the oblique support tube is installed quickly according to bolting or welding.
In this embodiment, step S6 is further included, after the concrete pouring is completed, water is sprinkled and plastic film covering maintenance is performed, the maintenance period is not less than 7 days, the non-bearing part formwork can be removed until the strength of the same-maintenance test block reaches 80% of the design strength, and the bearing part formwork can be removed until the strength of the same-maintenance test block reaches 100% of the design strength.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a be used for quick bearing structure of tunnel guide wall template which characterized in that includes:
the guide wall is internally provided with a guide pipe, the inclination angle of the guide pipe is 1-3 degrees, and two ends of the guide wall are provided with arch feet;
the supporting system comprises a transverse supporting pipe and an oblique supporting pipe, and two ends of the oblique supporting pipe are respectively connected with the transverse supporting pipe and the guide wall.
2. The rapid supporting structure for the guide wall formworks of a tunnel according to claim 1, wherein the arch of the guide wall is 140 °, and the size of the arch foot is 1m x 0.6m x 1.5 m.
3. The rapid supporting structure for the guide wall template of the tunnel according to claim 1, wherein the guide wall comprises 2 light-weight I-shaped steel frames with a longitudinal distance of 50cm, the 18 light-weight I-shaped steel frames are composed of three units, and each unit has an arc length of 6219mm and a radius of 7670 mm.
4. The rapid supporting structure for the template of the guide wall of the tunnel according to claim 1, wherein the diameter of the guide tube is 140mm, the wall thickness is 6mm, the circumferential center of the guide tube is spaced 40cm apart, the center of the guide tube is spaced 60cm from the top of the guide wall, and the center of the guide tube is spaced 40cm from the bottom of the guide wall.
5. The rapid supporting structure for the guide wall template of the tunnel according to claim 1, wherein the guide wall is internally provided with 47 guide pipes in a whole ring, and the circumferential centers of the guide pipes are spaced by 40 cm.
6. The construction method for the rapid supporting structure of the guide wall template for the tunnel according to any one of claims 1 to 5, which comprises the following steps:
s1, firstly excavating a guide wall foundation, reserving a platform, controlling elevation, excavating two sides of the guide wall to the elevation of the bottom of the guide wall foundation to enable the elevation to be 1-3m lower than a retaining arch, positioning an arch sheathing foundation on stable bed rock, and installing an arch frame after the concrete strength reaches 100% of the designed strength;
s2, arranging 2 pieces of 18 light I-shaped steel frames in the guide wall, wherein the longitudinal distance between the H-shaped steel frames is 45-60cm, arranging guide pipes on the outer edges of the steel frames, welding and fixing the guide pipes and the steel frames, wherein the guide pipes are hot-rolled seamless steel pipes with the diameter of 140 multiplied by 5mm, the length of 1m and the circumferential distance of 35-45cm, paying off to determine the positions of the guide pipes, and firmly welding the guide pipes on the positioning I18a I-shaped steel;
s3, laying a bottom die on the scaffold, wherein the bottom die is firmly connected with the scaffold, and erecting an end die, a side die and a top die;
s4, processing the supporting system;
and S5, checking the template, the guide pipe and the steel frame again before pouring the concrete, performing necessary adjustment on the exceeding of the standard allowable value, performing centralized production supply on the concrete by a mixing station, pouring by manually matching with a machine and vibrating to be compact, and symmetrically pouring from two sides of the arch foot to the middle of the arch foot until the arch top is formed.
7. The construction method for the rapid supporting structure of the guide wall template for the tunnel according to claim 6, wherein in step S2, both ends of the guide tube are wrapped with woven cloth to prevent cement mortar from being blocked.
8. The construction method of claim 6, wherein in step S3, the bottom form, the end forms and the side forms are made of wood forms with a thickness of 5cm, the outer sides of the end forms are made of phi 22 steel bars as braces, the inner sides of the end forms are made of I18I-steel frames, the forms are laid on the outer sides of the steel frames, the top form is made of 18mm thick bamboo plywood, two braces are arranged on the outer sides of the top form, the braces are reinforced by steel pipes, the spacing between the braces and the forms is 40cm, and the braces and the forms are plugged by wood wedges.
9. The construction method for the rapid supporting structure of the guide wall formworks of the tunnel according to claim 6, wherein the corresponding connection positions of the support system welded in advance can be bolted or welded to ensure that field installation is facilitated in step S4; firstly, mounting strip-shaped templates, assembling circumferential I-shaped steel on the lower part of the strip-shaped templates, and fixedly connecting the corresponding templates with the circumferential I-shaped steel; the transverse support tube is installed first, and then the oblique support tube is installed quickly according to bolting or welding.
10. The construction method for a rapid supporting structure of a formwork for a guide wall of a tunnel according to claim 6, further comprising a step S6 of spraying water and covering and curing with a plastic film after the concrete is poured, wherein the curing period is not less than 7 days, the formwork for the non-bearing portion is removed until the strength of the specimen reaches 80% of the design strength, and the formwork for the bearing portion is removed until the strength of the specimen reaches 100% of the design strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010822791.1A CN111911198A (en) | 2020-08-14 | 2020-08-14 | Rapid supporting structure for tunnel guide wall template and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010822791.1A CN111911198A (en) | 2020-08-14 | 2020-08-14 | Rapid supporting structure for tunnel guide wall template and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111911198A true CN111911198A (en) | 2020-11-10 |
Family
ID=73278134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010822791.1A Pending CN111911198A (en) | 2020-08-14 | 2020-08-14 | Rapid supporting structure for tunnel guide wall template and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111911198A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182465A (en) * | 2011-04-01 | 2011-09-14 | 长安大学 | Tunnel-entering construction method for tunnel |
| CN103775093A (en) * | 2014-02-07 | 2014-05-07 | 中交一公局第一工程有限公司 | Construction method for right-angle skew tunnel-entering cover arch of unsymmetrical-loaded and shallow-buried tunnel |
| CN104314305A (en) * | 2014-10-15 | 2015-01-28 | 中铁四局集团有限公司 | Integral moving formwork for stalk concrete pouring and application thereof |
| CN105804117A (en) * | 2016-05-17 | 2016-07-27 | 宁波交通工程建设集团有限公司 | Formwork tie bar structure of soil arch mould in cover-excavation method for mountain highway tunnel, and construction method thereof |
| CN106884665A (en) * | 2017-04-19 | 2017-06-23 | 中铁局集团有限公司 | A kind of Double Multi-Arch start tunneling method based on arch set arch |
| CN206419032U (en) * | 2016-12-23 | 2017-08-18 | 湖南五新隧道智能装备股份有限公司 | A kind of side and roof arch band mid-board lining cutting chassis |
| CN206467665U (en) * | 2016-12-19 | 2017-09-05 | 中铁建大桥工程局集团第二工程有限公司 | It is oriented to wall form structure |
| KR101898160B1 (en) * | 2018-02-27 | 2018-09-12 | 신성구조이엔지 주식회사 | Form of Steel for Underground Passage Using Multiform |
| CN210562223U (en) * | 2019-07-09 | 2020-05-19 | 中铁十九局集团第二工程有限公司 | Slope protection template with arch framework |
-
2020
- 2020-08-14 CN CN202010822791.1A patent/CN111911198A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182465A (en) * | 2011-04-01 | 2011-09-14 | 长安大学 | Tunnel-entering construction method for tunnel |
| CN103775093A (en) * | 2014-02-07 | 2014-05-07 | 中交一公局第一工程有限公司 | Construction method for right-angle skew tunnel-entering cover arch of unsymmetrical-loaded and shallow-buried tunnel |
| CN104314305A (en) * | 2014-10-15 | 2015-01-28 | 中铁四局集团有限公司 | Integral moving formwork for stalk concrete pouring and application thereof |
| CN105804117A (en) * | 2016-05-17 | 2016-07-27 | 宁波交通工程建设集团有限公司 | Formwork tie bar structure of soil arch mould in cover-excavation method for mountain highway tunnel, and construction method thereof |
| CN206467665U (en) * | 2016-12-19 | 2017-09-05 | 中铁建大桥工程局集团第二工程有限公司 | It is oriented to wall form structure |
| CN206419032U (en) * | 2016-12-23 | 2017-08-18 | 湖南五新隧道智能装备股份有限公司 | A kind of side and roof arch band mid-board lining cutting chassis |
| CN106884665A (en) * | 2017-04-19 | 2017-06-23 | 中铁局集团有限公司 | A kind of Double Multi-Arch start tunneling method based on arch set arch |
| KR101898160B1 (en) * | 2018-02-27 | 2018-09-12 | 신성구조이엔지 주식회사 | Form of Steel for Underground Passage Using Multiform |
| CN210562223U (en) * | 2019-07-09 | 2020-05-19 | 中铁十九局集团第二工程有限公司 | Slope protection template with arch framework |
Non-Patent Citations (1)
| Title |
|---|
| 姚绍RPG: "《百度文库》", 10 August 2016 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111271092A (en) | Rapid construction structure and method for secondary lining of variable-section subsurface tunnel | |
| CN110512719B (en) | Construction method of large-span interval corridor high-altitude formwork steel platform for high-rise residence | |
| CN111764621A (en) | Overhanging scaffold and construction method | |
| CN112411882A (en) | Method for building ultrahigh and oversized space inclined cylindrical column | |
| CN110409624B (en) | Reverse calculation and construction method for large equipment installation and main body structure | |
| CN213953189U (en) | Supporting device for ensuring smooth surface of lower cone shell of prefabricated water tank | |
| CN208472973U (en) | A kind of detachable reinforcing steel truss plate end support node structure | |
| CN113833263A (en) | Integral lantern type support circulating hoisting construction method for frame column | |
| CN110230397A (en) | A kind of construction method of building space dislocation overhanging balcony | |
| CN105971110A (en) | Construction method for fire control corridor steel structure supporting system | |
| CN109024676A (en) | A kind of formwork bracing system and its construction method of cast-in-place pipe gallery | |
| CN111576832A (en) | Construction system and construction method of cantilever multi-bent | |
| CN102767378B (en) | Method for constructing distyle tunnel portal by framed bent | |
| CN112064894A (en) | Construction method of large-diameter circular column | |
| CN111911198A (en) | Rapid supporting structure for tunnel guide wall template and construction method | |
| CN114673096A (en) | Swivel beam structure construction process | |
| CN210483012U (en) | Construction device for hyperboloid arc-shaped concrete wall | |
| CN213235079U (en) | Concrete formwork supporting structure for underground excavation tunnel deformation joint post-cast strip | |
| CN212003212U (en) | Two lining quick construction structures in multiple variable cross section undercut tunnel | |
| CN211313380U (en) | Ultrahigh independent frame beam template supporting system | |
| CN108951643B (en) | Super high-rise deep foundation pit basement core tube large-span large-area support changing construction method | |
| CN111608377B (en) | Comprehensive construction method for building overhanging scaffold | |
| CN105755959A (en) | Auxiliary bracket system suitable for construction of cable towers with different sections and building method | |
| CN112482316A (en) | Gate dam gate machine beam construction method and gate dam gate machine beam structure | |
| CN218061492U (en) | Device for pouring concrete platform on steel structure frame |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201110 |
|
| RJ01 | Rejection of invention patent application after publication |