CN112177633A - Template for inverted arch construction and construction method thereof - Google Patents
Template for inverted arch construction and construction method thereof Download PDFInfo
- Publication number
- CN112177633A CN112177633A CN202011062678.4A CN202011062678A CN112177633A CN 112177633 A CN112177633 A CN 112177633A CN 202011062678 A CN202011062678 A CN 202011062678A CN 112177633 A CN112177633 A CN 112177633A
- Authority
- CN
- China
- Prior art keywords
- template
- inverted arch
- construction
- corner
- middle template
- 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
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
- 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
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a template for inverted arch construction, which comprises a middle template, side templates positioned at two sides of the middle template and supports positioned at the front and the rear of the middle template, wherein the side templates are butted with the middle template, corner templates capable of being turned up and down are hinged on the side templates, a turning mechanism for turning the corner templates is arranged between the side templates and the corner templates, a longitudinal rail arranged along the depth direction of an inverted arch is arranged between the two supports, and the middle template can be slidingly arranged on the longitudinal rail along the longitudinal rail in a reciprocating manner. Also discloses a construction method of the template for inverted arch construction, which comprises the following steps: fixing a side template; mounting a longitudinal rail; installing an intermediate template; adjusting the position of the middle template; pouring a middle inverted arch and moving a middle template; smearing the surface of the middle inverted arch; turning down the corner template; smearing the side inverted arch; the whole moves. The template for inverted arch construction and the construction method thereof have the advantages of being convenient to construct, capable of reducing construction cost, capable of improving construction quality, construction convenience, construction efficiency and the like.
Description
Technical Field
The invention relates to tunnel construction equipment, in particular to a template for inverted arch construction and a construction method thereof.
Background
In recent years, the tunnel construction technology in China is continuously developed, and new knowledge is provided for the requirements of inverted arch construction in order to effectively improve the stability and durability of an inverted arch structure. The template for inverted arch construction is optimized from a simple single small template to a trestle which drives an integral template for low-side wall inverted arch construction, and then further to a full template for inverted arch construction of a full inverted arch section template. The tunnel inverted arch layer is constructed with template for full-width inverted arch construction, and the template cost increases to a certain extent, and inverted arch construction space is also further compressed, and when pouring the construction, the inverted arch layer can only be pour and vibrate through the work window in the below of template, can't vibrate comprehensively. In actual construction application, air bubbles are easily formed on the surface of finally-formed inverted arch concrete, primary pulp plastering and timely secondary cleaning on the surface of the inverted arch layer cannot be performed due to arrangement of the full-width inverted arch construction formwork, and certain safety risks are accompanied when the appearance of the inverted arch layer is influenced by the air bubbles.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide the template for inverted arch construction and the construction method thereof, which are convenient to construct, can reduce the construction cost and can improve the construction quality, the construction convenience and the construction efficiency.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a template is used in inverted arch construction, includes middle template, is located the side form board of middle template both sides and is located the support of middle template front and back, side form board and middle template butt joint, it has the corner template that can overturn from top to bottom to articulate on the side form board, be equipped with the tilting mechanism that is used for overturning corner template between side form board and the corner template, two be equipped with the vertical track of arranging along the inverted arch depth direction between the support, middle template can be located on the vertical track along vertical track reciprocating motion ground cunning.
As a further improvement of the above technical solution:
the turnover mechanism is a telescopic piece, one end of the telescopic piece is hinged to the side formwork, and the other end of the telescopic piece is hinged to the corner formwork.
The side form plate is provided with a support frame, and the telescopic piece is hinged on the support frame.
One end of the support is arranged on the support frame of the template on one side, and the other end of the support is arranged on the support frame of the template on the other side.
And the bottom of the support is provided with a jacking device.
And the middle template is provided with a guide roller matched with the longitudinal rail.
The side forms and the corner forms are longer than the middle form.
The construction method of the template for inverted arch construction comprises the following steps:
s1: fixing a side template: fixing two side templates on two sides of the tunnel respectively;
s2: installation of the longitudinal rails: the front and the rear of the middle template are respectively provided with a bracket, and a longitudinal rail is arranged between the two brackets;
s3: installing a middle template: installing the middle template on the longitudinal rail in a sliding manner;
s4: adjusting the position of the middle template: sliding the middle template to a position to be poured along the longitudinal rail, and butting the middle template with the side template;
s5: pouring a middle inverted arch and moving a middle template: pouring concrete below the template for inverted arch construction, sliding the middle template on the longitudinal rail, and forming the middle inverted arch;
s6: smearing the surface of the middle inverted arch: sliding the middle template outside the pouring forming area to finish the surface plastering of the middle inverted arch;
s7: turning down the corner template: the corner template is turned downwards to the middle inverted arch forming surface through the turnover mechanism, the side template is formed and poured, and the side inverted arch is formed;
s8: smearing side inverted arches: the corner template is turned upwards through a turning mechanism to finish the side inverted arch plastering;
s9: moving integrally: and integrally moving the template for inverted arch construction to the next construction station through the trestle trolley.
Compared with the prior art, the invention has the advantages that:
the template for inverted arch construction is divided into two side templates and an intermediate template positioned between the two side templates, the side templates and the intermediate template are butted to form a profile surface required by tunnel construction, the corner template can be turned over relative to the side templates, the corner template is firstly in an upturned state, after the construction of the intermediate template is finished, the corner template is turned downwards to carry out formwork erection construction, two sides of the intermediate template are slidably arranged on a longitudinal rail, so that the intermediate template can reciprocate along the longitudinal rail, when the concrete at the lower layer of the inverted arch is poured, the intermediate template can move to give way to a space, the construction is more convenient, the concrete can be vibrated and compacted in time, the construction quality is improved, after the concrete at the intermediate layer is poured, the intermediate template moves again to flatten and form the accumulated concrete, meanwhile, the concrete can be poured below the templates at two sides, the construction is very convenient and fast, and the corner template can give way to give way, the concrete below is supported and leveled, and the construction quality of the position is improved. Compared with the full-width inverted arch movement, only the middle template is moved, the construction quality of the inverted arch is guaranteed, and meanwhile, the inverted arch construction method is easier to implement and lower in cost; and the middle template and the corner template are constructed in sequence, after the middle template finishes the construction of a middle inverted arch (namely, an inverted arch formed below the middle template), the corner template finishes the construction of a side inverted arch (namely, an inverted arch formed below the corner template), the arc intersection surfaces (the corner surfaces at two sides of the inverted arch) of the concrete are protected, and the construction quality, the construction convenience and the construction efficiency are improved.
According to the construction method of the template for inverted arch construction, the intermediate template slides along the longitudinal rail to be adjusted to the position to be cast, so that the trouble of dismounting and mounting the re-erecting template is reduced, and the convenience and efficiency of construction are improved; the construction of the side inverted arches is completed through the corner templates, the arc intersection surfaces (the corner surfaces on two sides of the inverted arches) of the concrete are protected, and the construction quality, the construction convenience and the construction efficiency are improved.
Drawings
Fig. 1 is a schematic front view of the inverted arch form according to the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a schematic top view of the inverted arch form according to the present invention.
Fig. 4 is a schematic side view of the inverted arch form according to the present invention.
Fig. 5 is a schematic structural view of the inverted arch form according to the present invention after the intermediate form is slid out of the cast molding area.
Fig. 6 is a schematic structural view illustrating the inverted arch form according to the present invention when the inverted arch form is moved as a whole and turned down.
The reference numerals in the figures denote:
1. an intermediate template; 2. a sideform; 21. a corner template; 22. a support frame; 3. a support; 31. a longitudinal rail; 32. a jacking device; 4. a turnover mechanism; 5. a guide roller; 6. a tunnel; 7. an inverted arch; 8. trestle trolley.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples of the specification.
Fig. 1 to 6 show an embodiment of the template for inverted arch construction according to the present invention, the template for inverted arch construction includes a middle template 1, side templates 2 located at both sides of the middle template 1, and supports 3 located at front and rear sides of the middle template 1, the side templates 2 are butted with the middle template 1, corner templates 21 capable of being turned up and down are hinged on the side templates 2, a turning mechanism 4 for turning the corner templates 21 is provided between the side templates 2 and the corner templates 21, a longitudinal rail 31 arranged along the depth direction of the inverted arch 7 is provided between the two supports 3, and the middle template 1 is slidably provided on the longitudinal rail 31 so as to be capable of moving back and forth along the longitudinal rail 31.
The template for inverted arch construction is divided into two side templates 2 and an intermediate template 1 positioned between the two side templates 2, the side templates 2 are butted with the intermediate template 1 to form a profile surface required by tunnel construction, the corner template 21 can be turned over relative to the side templates 2, the corner template 21 is firstly in an upturned state, after the construction of the intermediate template 1 is completed, the intermediate template is turned downwards to perform formwork erection construction, the two sides of the intermediate template 1 are slidably arranged on the longitudinal rail 31, so that the intermediate template 1 can reciprocate along the longitudinal rail 31, when the concrete at the lower layer of the inverted arch 7 is poured, the intermediate template 1 can move to leave a space, the construction is more convenient, the concrete can be vibrated and compacted in time, the construction quality is improved, after the concrete at the intermediate layer is poured, the intermediate template 1 moves again, the accumulated concrete is leveled and formed, meanwhile, the concrete can be poured below the templates 2 at the two sides, the construction is very convenient and fast, Fast, corner template 21 can be turned over upward and give way the space, supports the concrete of below and screeds, improves the construction quality of this department. Compared with the full-width inverted arch movement, only the middle template 1 is moved, the construction quality of the inverted arch 7 is ensured, and meanwhile, the implementation is easier and the cost is lower; and the middle template 1 and the corner template 21 are constructed in sequence, after the middle template 1 finishes the construction of the middle inverted arch 7 (namely the inverted arch 7 formed below the middle template 1), the corner template 21 finishes the construction of the side inverted arch 7 (namely the inverted arch 7 formed below the corner template 21), the arc intersection surfaces (the corner surfaces at two sides of the inverted arch 7) of the concrete are protected, and the construction quality, the construction convenience and the construction efficiency are improved.
In this embodiment, the turnover mechanism 4 is a telescopic member, one end of the telescopic member is hinged to the side formwork 2, and the other end of the telescopic member is hinged to the corner formwork 21. The telescopic piece can be a telescopic oil cylinder, and the corner template 21 is turned over through the telescopic piece.
In this embodiment, as shown in fig. 2, a bracket 22 is arranged on the side mold plate 2, and the telescopic member is hinged to the bracket 22, so that the structure of the side mold plate 2 is more stable.
In the embodiment, as shown in fig. 3, one end of the bracket 3 is detachably fixed on the bracket 22 of one side formwork 2, and the other end is detachably fixed on the bracket 22 of the other side formwork 2, so that the supporting capability of the bracket 3 is improved.
In this embodiment, as shown in fig. 3 and 4, the bottom of the support 3 is provided with a jack 32. The two side templates 2 are connected into an integral structure through the bracket 3, and can ascend together under the jacking action of the jacking device 32 so as to realize the separation of the template for the inverted arch construction and the inverted arch 7. The jack 32 may be a jack cylinder or the like.
In this embodiment, as shown in fig. 1 and 3, the intermediate form 1 is provided with guide rollers 5 engaged with the longitudinal rails 31. As a preferable technical scheme, for example, the longitudinal rail 31 is an i-steel rail, the guide roller 5 is a T-shaped structure, and the two sides of the middle formwork 1 are matched with the longitudinal rail 31 and the guide roller 5, so that the middle formwork 1 moves more stably and smoothly.
In this embodiment, the sideforms 2 and corner forms 21 are longer than the intermediate form 1, as shown in figures 3 and 4. Specifically, the length of the sideforms 2 and the corner forms 21 in the longitudinal direction of the tunnel 6 is longer than that of the intermediate form 1 by at least one time, so that the intermediate form 1 can be slidably constructed along the longitudinal rails 31 to form the inverted arch 7.
Fig. 1, 5 and 6 show an embodiment of a method for constructing a form panel for inverted arch construction according to the present invention, which comprises the steps of:
s1: fixing the side template 2: fixing two side templates 2 on two sides of a tunnel 6 respectively;
s2: mounting of the longitudinal rail 31: the front and the rear of the middle template 1 are respectively provided with a bracket 3, and a longitudinal rail 31 is arranged between the two brackets 3;
s3: installing an intermediate template 1: the middle template 1 is arranged on the longitudinal rail 31 in a sliding way;
s4: adjusting the position of the middle template 1: sliding the middle template 1 to a position to be poured along the longitudinal rail 31, and butting the middle template 1 with the side template 2 at the moment;
s5: the middle inverted arch 7 (i.e. the concrete structure formed by the middle formwork 1) is poured and the middle formwork 1 is moved: concrete is poured below the template for inverted arch construction, the middle template 1 slides on the longitudinal rail 31, and the middle inverted arch 7 is molded;
s6: smearing with a middle inverted arch 7: as shown in fig. 5, the middle template 1 is slid out of the pouring forming area, and the plastering of the middle inverted arch 7 is finished;
s7: the corner template 21 is turned down: as shown in fig. 6, the corner template 21 is turned downwards to the forming surface of the middle inverted arch 7 through the turnover mechanism 4, the side template 2 is formed and poured, and the side inverted arch 7 (namely the concrete structure formed by the side template 2) is formed; after the corner template 21 is turned downwards, a detachable reinforcing rod can be arranged between the side template 2 and the corner template 21, so that the supporting capability of the corner template 21 in the process of erecting the template is enhanced.
S8: smearing on a side inverted arch 7: the corner template 21 is turned upwards through the turning mechanism 4 to finish the plastering of the side inverted arch 7;
s9: moving integrally: the template for inverted arch construction is integrally moved to the next construction station through the trestle trolley 8. The trestle trolley 8 can lift the side template 2 or the middle template 1, so that the template for inverted arch construction integrally moves to the next construction station.
According to the construction method of the template for inverted arch construction, the intermediate template 1 slides along the longitudinal rail 31 to be adjusted to the position to be cast, so that the trouble of dismounting and mounting the re-erecting template is reduced, and the convenience and efficiency of construction are improved; construction of the side inverted arch 7 (namely the inverted arch 7 formed below the corner template 21) is completed through the corner template 21, an arc intersection surface (corner surfaces on two sides of the inverted arch 7) of concrete is protected, and construction quality, construction convenience and construction efficiency are improved.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (8)
1. The utility model provides a template is used in inverted arch construction which characterized in that: including middle template (1), be located side form board (2) of middle template (1) both sides and be located support (3) of middle template (1) front and back, side form board (2) and middle template (1) butt joint, articulated on side form board (2) have corner template (21) that can overturn from top to bottom, be equipped with tilting mechanism (4) that are used for overturning corner template (21) between side form board (2) and corner template (21), two be equipped with between support (3) along vertical track (31) that inverted arch (7) depth direction was arranged, middle template (1) can be followed vertical track (31) reciprocating motion ground and slided and locate on vertical track (31).
2. The form for inverted arch construction according to claim 1, wherein: the turnover mechanism (4) is a telescopic piece, one end of the telescopic piece is hinged on the side formwork (2), and the other end of the telescopic piece is hinged on the corner formwork (21).
3. The form for inverted arch construction according to claim 2, wherein: a support frame (22) is arranged on the side mold plate (2), and the telescopic piece is hinged on the support frame (22).
4. The form for inverted arch construction according to claim 3, wherein: one end of the support (3) is arranged on the support frame (22) of the template (2) at one side, and the other end of the support is arranged on the support frame (22) of the template (2) at the other side.
5. The form for inverted arch construction according to claim 1, wherein: the bottom of the support (3) is provided with a jacking device (32).
6. The form for inverted arch construction according to claim 1, wherein: and the middle template (1) is provided with a guide roller (5) matched with the longitudinal rail (31).
7. The form for inverted arch construction according to claim 1, wherein: the side templates (2) and the corner templates (21) are longer than the middle template (1).
8. A construction method of the form panel for inverted arch construction according to any one of claims 1 to 7, characterized in that: the method comprises the following steps:
s1: fixing the side template (2): fixing two side templates (2) on two sides of a tunnel (6) respectively;
s2: installation of the longitudinal rails (31): the front and the rear of the middle template (1) are respectively provided with a bracket (3), and a longitudinal rail (31) is arranged between the two brackets (3);
s3: the middle template (1) is arranged: arranging the middle template (1) on the longitudinal rail (31) in a sliding manner;
s4: adjusting the position of the middle template (1): sliding the middle template (1) to a position to be poured along the longitudinal rail (31), and butting the middle template (1) with the side template (2);
s5: pouring the middle inverted arch (7) and moving the middle template (1): pouring concrete below the template for inverted arch construction, sliding the middle template (1) on the longitudinal rail (31), and forming the middle inverted arch (7);
s6: smearing the intermediate inverted arch (7): sliding the middle template (1) to the outside of the pouring forming area to finish the plastering of the middle inverted arch (7);
s7: the corner template (21) is turned down: the corner templates (21) are turned downwards to the forming surface of the middle inverted arch (7) through the turning mechanism (4), the side templates (2) are formed and poured, and the side inverted arches (7) are formed;
s8: smearing the side inverted arch (7): the corner template (21) is turned upwards through the turning mechanism (4) to finish the plastering of the side inverted arch (7);
s9: moving integrally: the template for inverted arch construction is integrally moved to the next construction station through a trestle trolley (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011062678.4A CN112177633B (en) | 2020-09-30 | 2020-09-30 | Formwork for inverted arch construction and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011062678.4A CN112177633B (en) | 2020-09-30 | 2020-09-30 | Formwork for inverted arch construction and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112177633A true CN112177633A (en) | 2021-01-05 |
| CN112177633B CN112177633B (en) | 2023-04-28 |
Family
ID=73949147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011062678.4A Active CN112177633B (en) | 2020-09-30 | 2020-09-30 | Formwork for inverted arch construction and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112177633B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464165A (en) * | 2021-06-30 | 2021-10-01 | 湖南五新模板有限公司 | Reversible inverted arch formwork and construction method thereof |
| CN113605932A (en) * | 2021-06-30 | 2021-11-05 | 湖南五新模板有限公司 | Inverted arch filling forming template and construction method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967985A (en) * | 2010-09-08 | 2011-02-09 | 中铁隧道集团三处有限公司 | Self-propelled inverted arch template construction method |
| CN104005775A (en) * | 2014-06-18 | 2014-08-27 | 余波 | Integrated formwork for tunnel inverted arch backfill construction, and constructing process of integrated formwork |
| CN105649654A (en) * | 2016-03-17 | 2016-06-08 | 湖南五新机械有限公司 | Automatic hydraulic inverted arch trestle trolley and construction method thereof |
| CN210152671U (en) * | 2019-05-27 | 2020-03-17 | 湖南五新模板有限公司 | Double-deck inverted arch construction formwork in tunnel, landing stage |
| CN110905554A (en) * | 2019-12-10 | 2020-03-24 | 成都科利特机械制造有限公司 | Tunnel inverted arch and filled concrete paver and construction process |
| CN111022079A (en) * | 2019-12-27 | 2020-04-17 | 湖南五新模板有限公司 | Trestle type full-section inverted arch two-lining trolley equipment and construction method thereof |
-
2020
- 2020-09-30 CN CN202011062678.4A patent/CN112177633B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967985A (en) * | 2010-09-08 | 2011-02-09 | 中铁隧道集团三处有限公司 | Self-propelled inverted arch template construction method |
| CN104005775A (en) * | 2014-06-18 | 2014-08-27 | 余波 | Integrated formwork for tunnel inverted arch backfill construction, and constructing process of integrated formwork |
| CN105649654A (en) * | 2016-03-17 | 2016-06-08 | 湖南五新机械有限公司 | Automatic hydraulic inverted arch trestle trolley and construction method thereof |
| CN210152671U (en) * | 2019-05-27 | 2020-03-17 | 湖南五新模板有限公司 | Double-deck inverted arch construction formwork in tunnel, landing stage |
| CN110905554A (en) * | 2019-12-10 | 2020-03-24 | 成都科利特机械制造有限公司 | Tunnel inverted arch and filled concrete paver and construction process |
| CN111022079A (en) * | 2019-12-27 | 2020-04-17 | 湖南五新模板有限公司 | Trestle type full-section inverted arch two-lining trolley equipment and construction method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464165A (en) * | 2021-06-30 | 2021-10-01 | 湖南五新模板有限公司 | Reversible inverted arch formwork and construction method thereof |
| CN113605932A (en) * | 2021-06-30 | 2021-11-05 | 湖南五新模板有限公司 | Inverted arch filling forming template and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112177633B (en) | 2023-04-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112065454B (en) | Inverted arch formwork and construction method thereof | |
| CN112177633B (en) | Formwork for inverted arch construction and construction method thereof | |
| CN109808054A (en) | A kind of straight line PC track girder precast construction method | |
| CN104831756B (en) | A kind of construction method utilizing template jacking instrument to carry out Bars In Poured Concrete Slab post-cast strip formwork | |
| CN206246129U (en) | A kind of hydraulic template trolley for pouring construction after rail against the wind road | |
| CN112228109A (en) | Inverted arch formwork and construction method thereof | |
| WO2021031354A1 (en) | Method for movable formwork passing through hole, and device for movable formwork passing through hole | |
| CN112081606A (en) | Slidable inverted arch formwork and construction method thereof | |
| CN204457807U (en) | A kind of tunnel ditch cable channel hydraulic formwork trolley | |
| CN206016835U (en) | Tunnel and subway engineering diameter Changeable Model chassis | |
| CN209509540U (en) | Wall construction equipment | |
| CN212563266U (en) | Inverted arch template | |
| JP2005188203A (en) | Moving work vehicle for overhang floor slab | |
| CN217438742U (en) | Cast-in-place roof beam top plate concrete leveling device that vibrates | |
| CN212454461U (en) | Slidable inverted arch template | |
| CN217327341U (en) | Self-propelled long-span variable cross-section hydraulic formwork trolley | |
| CN216305946U (en) | Inverted arch template | |
| CN216043753U (en) | Liftable inverted arch template | |
| CN105648908A (en) | Decorating trolley used for crossing existing lines or crossing bridges and construction method | |
| CN215907866U (en) | Inverted arch template capable of longitudinally moving | |
| CN114734167A (en) | Welding device for steel reinforcement framework and construction method thereof | |
| CN112727072B (en) | Construction method of cast-in-place wall | |
| CN216342182U (en) | Inverted arch filling forming template | |
| CN215486058U (en) | Inverted arch template capable of moving transversely | |
| CN112228108B (en) | Slidable inverted arch template and construction method 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 |