CN216043752U - Slidable inverted arch filling forming template - Google Patents
Slidable inverted arch filling forming template Download PDFInfo
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- CN216043752U CN216043752U CN202121488399.4U CN202121488399U CN216043752U CN 216043752 U CN216043752 U CN 216043752U CN 202121488399 U CN202121488399 U CN 202121488399U CN 216043752 U CN216043752 U CN 216043752U
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- inverted arch
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- tunnel
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Abstract
The utility model discloses a slidable inverted arch filling molding template which comprises two side templates arranged in parallel along two sides of a tunnel, and an inverted arch middle template positioned between the two side templates, wherein each side template is provided with a longitudinal rail arranged along the depth direction of the tunnel, the inverted arch middle template is slidably arranged on each longitudinal rail, and the slidable inverted arch filling molding template further comprises a filling template slidably arranged between the two side templates. This slidable inverted arch fills shaping template when guaranteeing construction quality, implements more easily, the cost is lower, has improved construction quality, construction convenience and efficiency of construction.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to a slidable inverted arch filling forming template.
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 bridge driving an integral type low-side wall inverted arch template, and then further to a full inverted arch template of a full inverted arch section template. The tunnel invert layer is constructed with full width invert template, and the template cost increases to a certain extent, and invert construction space is also further compressed, and when pouring the construction, the invert layer can only 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 cannot be carried out on the surface of the inverted arch layer due to arrangement of a full-width inverted arch template, and certain safety risks are accompanied when the appearance of the inverted arch layer is influenced by the air bubbles.
In the tunnel that adapts to have the filling construction, especially have central ditch filling construction, the inverted arch template can not avoid the same vertical work interval filling construction, and inverted arch and filling construction will occupy two work intervals at least in the vertical work interval of difference, have proposed higher requirement to the landing stage above the inverted arch, and the work interval that increases is great to vertical construction space influence. In addition, during filling construction, no special filling template is used for leveling and molding the concrete of the filling layer.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem of overcoming the defects of the prior art and provides the slidable inverted arch filling forming template which is low in cost, convenient for inverted arch construction and capable of improving the tunnel construction efficiency.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a slidable invert fills forming die board, includes two side form boards along tunnel both sides parallel arrangement and is located the invert intermediate formword between two side form boards, each all be equipped with the longitudinal rail of arranging along the tunnel depth direction on the side form board, the slip of invert intermediate formword is located on the longitudinal rail, slidable invert fills forming die board and still locates two including sliding filling die board between the side form board.
As a further improvement of the above technical solution:
the filling template is arranged on the longitudinal rail of each side template in a sliding mode.
And a filling end sealing die is arranged on the inverted arch middle template.
And first guide rollers in sliding fit with the longitudinal rails are arranged on two sides of the inverted arch middle template.
And second guide rollers in sliding fit with the longitudinal rails are arranged on two sides of the filling template.
And a plurality of connecting beams are arranged between the two side templates.
The length of the side templates along the longitudinal direction of the tunnel is longer than that of the inverted arch middle template along the longitudinal direction of the tunnel.
The length of the inverted arch middle template along the longitudinal direction of the tunnel is longer than that of the filling template along the longitudinal direction of the tunnel.
The slidable inverted arch filling molding template further comprises a central groove template.
The central groove template is connected with the inverted arch middle template.
Compared with the prior art, the utility model has the beneficial effects that:
the slidable inverted arch filling forming template comprises two side templates and an inverted arch middle template positioned between the two side templates, the two side templates and the inverted arch middle template are matched to form a profile surface required by inverted arch layer construction, longitudinal rails are fixedly arranged on the side templates, the inverted arch middle template is slidably arranged on the longitudinal rails on the side templates, so that the inverted arch middle template can slide on the longitudinal rails in a reciprocating manner, the filling template is slidably arranged between the two side templates, the filling template can slide between the two side templates in a reciprocating manner, when inverted arch layer concrete is poured, the inverted arch middle template can slide to leave a space, construction is more convenient, inverted arch concrete can be vibrated and compacted in time, the inverted arch concrete is convenient to vibrate and exhaust, construction quality is improved, after the intermediate inverted arch layer concrete is poured, the inverted arch middle template slides again, the accumulated concrete is smeared and flattened, And forming, after the inverted arch layer is poured, sliding the intermediate template of the inverted arch out of the inverted arch construction area, avoiding the filling construction in the same longitudinal working interval, pouring filling concrete above the inverted arch layer, wherein the filling template can slide along with the pouring of the filling concrete, trowelling and forming the accumulated concrete, and the construction is very convenient and fast. Compare full width inverted arch template, only need slip inverted arch intermediate formword and fill the construction that the template just can accomplish inverted arch layer and filling layer, avoid repeated dismouting template, when guaranteeing construction quality, implement more easily, the cost is lower, has improved construction quality, construction convenience and efficiency of construction.
Drawings
Fig. 1 is a schematic structural view of inverted arch construction of a slidable inverted arch filling molding template.
Fig. 2 is a schematic structural view of the slidable inverted arch filling molding formwork in the present invention.
Fig. 3 is an enlarged view of a point a in fig. 1.
Fig. 4 is an enlarged view at B in fig. 2.
Fig. 5 is a top view of the inverted arch filling molding plate for inverted arch construction of the slidable inverted arch filling molding plate according to the present invention.
Fig. 6 is a top view of the slidable inverted arch filling molding form of the present invention.
FIG. 7 is a schematic structural view of an inverted arch intermediate form according to the present invention.
The reference numerals in the figures denote: 1. a sideform; 2. an inverted arch intermediate template; 21. filling the end sealing die; 22. a first guide roller; 3. a longitudinal rail; 4. filling the template; 41. a second guide roller; 5. a connecting beam; 6. a central trench template; 7. an inverted arch layer; 8. a filling layer; 9. and (4) tunneling.
Detailed Description
The utility model is described in further detail below with reference to the figures and specific examples of the specification.
Fig. 1 to 7 show an embodiment of the slidable inverted arch filling molding template of the present invention, the slidable inverted arch filling molding template of the present embodiment includes two side templates 1 arranged in parallel along two sides of a tunnel 9, and an inverted arch middle template 2 located between the two side templates 1, each side template 1 is provided with a longitudinal rail 3 arranged along the depth direction of the tunnel 9, the inverted arch middle template 2 is slidably disposed on each longitudinal rail 3, and the slidable inverted arch filling molding template further includes a filling template 4 slidably disposed between the two side templates 1. The transverse direction is the width direction of the tunnel 9 and the longitudinal direction is the length direction of the tunnel 9.
The slidable inverted arch filling molding template comprises two side templates 1 and an inverted arch middle template 2 positioned between the two side templates 1, the two side templates 1 and the inverted arch middle template 2 are matched to form a profile surface required by construction of an inverted arch layer 7, longitudinal rails 3 are fixedly arranged on the side templates 1, the inverted arch middle template 2 is slidably arranged on the longitudinal rails 3 on each side template 1, so that the inverted arch middle template 2 can slide on the longitudinal rails 3 in a reciprocating manner, the filling template 4 is slidably arranged between the two side templates 1, so that the filling template 4 can slide between the two side templates 1 in a reciprocating manner, when the concrete of the inverted arch layer 7 is poured, the inverted arch middle template 2 can slide to leave a space, the construction is more convenient, the inverted arch concrete can be vibrated and compacted in time, the vibration and the exhaust of the inverted arch concrete are convenient, the construction quality is improved, after the concrete of the middle inverted arch layer 7 is poured, the inverted arch middle template 2 slides again, the method comprises the steps of trowelling and forming the accumulated concrete, after the inverted arch layer 7 is poured, enabling the inverted arch middle template 2 to slide out of an inverted arch construction area, avoiding filling construction in the same longitudinal working area, pouring the filling concrete above the inverted arch layer 7, enabling the filling template 4 to slide along with pouring of the filling concrete, trowelling and forming the accumulated concrete, and enabling construction to be convenient and fast. Compare full width inverted arch template, only need slip inverted arch intermediate formword 2 and filling template 4 just can accomplish inverted arch layer 7 and 8 construction of filling layer, avoid repeated dismouting template, when guaranteeing construction quality, implement more easily, the cost is lower, has improved construction quality, construction convenience and efficiency of construction.
In this embodiment, the filler module 4 is slidably mounted on the longitudinal rails 3 of each sideform 1. The inverted arch middle template 2 and the filling template 4 share one longitudinal rail 3, so that the template structure is simplified, and the cost is reduced.
In this embodiment, a filling and capping mold 21 is provided at the rear end of the inverted arch intermediate form 2 (i.e., the rear end in the form slip direction F in fig. 6). After the inverted arch layer 7 is poured, the inverted arch middle formwork 2 can be slid out of the construction area, a filling construction area is formed between the filling end sealing formwork 21 and the two side formworks 1, occupation of a longitudinal working area is reduced, then pouring of concrete of the filling layer 8 is carried out, repeated formwork dismounting is further avoided, and construction is very convenient and fast.
In this embodiment, the two sides of the inverted arch middle formwork 2 are respectively provided with a first guide roller 22 which is in sliding fit with the longitudinal rail 3. The longitudinal rail 3 preferably adopts an I-steel rail, the first guide roller 22 preferably adopts a T-shaped structure, and the first guide roller 22 is matched with the longitudinal rail 3, so that the inverted arch middle template 2 can slide on the longitudinal rail 3 of the side template 1 in a reciprocating manner, the pouring and forming of the inverted arch layer 7 with one construction length are completed, and the construction efficiency is further improved.
In this embodiment, the filling form 4 is provided with second guide rollers 41 at both sides thereof, which are slidably engaged with the longitudinal rails 3. The longitudinal rail 3 preferably adopts an I-steel rail, the second guide roller 41 preferably adopts a T-shaped structure, and the second guide roller 41 is matched with the longitudinal rail 3, so that the filling template 4 can slide on the longitudinal rail 3 of the side template 1 in a reciprocating manner, the pouring and forming of a construction length filling layer 8 are completed, and the construction efficiency is further improved.
In this embodiment, a plurality of connecting beams 5 are arranged between the two side templates 1, and the plurality of connecting beams 5 are distributed at intervals. The two side formworks 1 are connected through the connecting beams 5, construction is convenient, connection is reliable, and the positioning size of the two side formworks 1 is guaranteed.
In this embodiment, specifically, the length of the side formwork 1 along the longitudinal direction of the tunnel 9 is at least twice longer than the length of the inverted arch middle formwork 2 along the longitudinal direction of the tunnel 9, so that the inverted arch middle formwork 2 can be constructed along the longitudinal rail 3 to form at least two inverted arch layers 7, and construction is facilitated.
In this embodiment, the length of the inverted arch middle formwork 2 along the longitudinal direction of the tunnel 9 is longer than the length of the filling formwork 4 along the longitudinal direction of the tunnel 9, so that the occupied track working space is small, and construction is convenient.
In this embodiment, the slidable inverted arch filling molding template is further provided with a central groove template 6. The central ditch is reserved by the central ditch template 6 and is used for draining water in the tunnel 9.
In this embodiment, the center tunnel formwork 6 is connected to the rear end of the inverted arch center formwork 2 (i.e., the rear end in the formwork slip direction F in fig. 6). After the inverted arch layer 7 is poured, the inverted arch middle formwork 2 slides out of the construction area, the central ditch formwork 6 is driven to move in place, then the filling layer 8 concrete is poured, and the construction efficiency is further improved.
The construction method of the slidable inverted arch filling molding template comprises the following steps:
s1: forming inverted arch forming areas on two sides of the tunnel 9: fixing two side templates 1 on two sides of a tunnel 9 respectively to form inverted arch forming areas on two sides of the tunnel 9;
s2: forming a middle inverted arch forming area: the inverted arch middle formwork 2 and the filling formwork 4 are arranged on the longitudinal rails 3 of the two side formworks 1 in a sliding mode, a middle inverted arch forming area is formed below the inverted arch middle formwork 2, the filling formwork 4 is slid to the position outside a construction area to be inverted arch, the central ditch formwork 6 is located outside the inverted arch forming area, and preparation is made for construction of a filling layer 8;
s3: and (3) pouring an inverted arch layer 7: sliding the inverted arch middle template 2 to the position of an inverted arch layer 7 to be poured along the longitudinal rail 3, and pouring concrete below the inverted arch middle template 2 and the side templates 1 to form the inverted arch layer 7;
s4: surface treatment of the inverted arch layer 7: sliding the inverted arch middle template 2 to the outside of the inverted arch layer 7, and plastering the inverted arch layer 7;
s5: and (3) pouring a filling layer 8: moving the central ditch template 6 to the upper part of the inverted arch layer 7 through the inverted arch middle template 2, forming a filling construction area between a filling end sealing mould 21 on the inverted arch middle template 2 and the two side templates 1, and pouring concrete on the inverted arch layer 7 to form a filling layer 8;
s6: surface treatment of the filling layer 8: the filling template 4 slides longitudinally, and operations such as smearing of the filling layer 8 are carried out.
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 utility model, 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 (10)
1. The utility model provides a shaping template is filled to slidable invert, includes along two side form boards (1) of tunnel (9) both sides parallel arrangement and is located invert intermediate formwork (2) between two side form boards (1), its characterized in that: each all be equipped with on side form (1) along longitudinal rail (3) that tunnel (9) depth direction arranged, template (2) cunning is located in the inverted arch each on longitudinal rail (3), slidable inverted arch fills shaping template still including cunning locate two fill template (4) between side form (1).
2. The slidable inverted arch filling form of claim 1, wherein: the filling templates (4) are arranged on the longitudinal rails (3) of the side templates (1) in a sliding mode.
3. The slidable inverted arch filling form of claim 2, wherein: and a filling end sealing die (21) is arranged on the inverted arch middle template (2).
4. The slidable inverted arch filling form of claim 1, wherein: and first guide rollers (22) in sliding fit with the longitudinal rails (3) are arranged on two sides of the inverted arch middle template (2).
5. The slidable inverted arch filling form of claim 2, wherein: and second guide rollers (41) in sliding fit with the longitudinal rails (3) are arranged on two sides of the filling template (4).
6. The slidable inverted arch filling form of claim 1, wherein: a plurality of connecting beams (5) are arranged between the two side templates (1).
7. The slidable inverted arch filling form of claim 1, wherein: the length of the side formwork (1) along the longitudinal direction of the tunnel (9) is longer than that of the inverted arch middle formwork (2) along the longitudinal direction of the tunnel (9).
8. The slidable inverted arch filling form of claim 2, wherein: the length of the inverted arch middle template (2) along the longitudinal direction of the tunnel (9) is longer than the length of the filling template (4) along the longitudinal direction of the tunnel (9).
9. A slidable inverted arch filling and shaping formwork according to any one of claims 1 to 8, wherein: the slidable inverted arch filling molding template further comprises a central groove template (6).
10. The slidable inverted arch filling form of claim 9, wherein: the central groove template (6) is connected with the inverted arch middle template (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121488399.4U CN216043752U (en) | 2021-06-30 | 2021-06-30 | Slidable inverted arch filling forming template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121488399.4U CN216043752U (en) | 2021-06-30 | 2021-06-30 | Slidable inverted arch filling forming template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216043752U true CN216043752U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121488399.4U Active CN216043752U (en) | 2021-06-30 | 2021-06-30 | Slidable inverted arch filling forming template |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216043752U (en) |
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2021
- 2021-06-30 CN CN202121488399.4U patent/CN216043752U/en active Active
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