CN218508617U - Template in cast-in-place escape canal in tunnel - Google Patents
Template in cast-in-place escape canal in tunnel Download PDFInfo
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- CN218508617U CN218508617U CN202222292827.7U CN202222292827U CN218508617U CN 218508617 U CN218508617 U CN 218508617U CN 202222292827 U CN202222292827 U CN 202222292827U CN 218508617 U CN218508617 U CN 218508617U
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Abstract
The utility model relates to the technical field of cast-in-place construction, and provides a template of a tunnel cast-in-place drainage ditch, which comprises a first arc plate, a second arc plate, a setting plate and a wedge-shaped block; the first arc-shaped plate and the second arc-shaped plate are symmetrically arranged, the first end of the first arc-shaped plate is hinged to the first end of the second arc-shaped plate, and the first arc-shaped plate and the second arc-shaped plate respectively protrude towards one side far away from each other; the second end of first arc with the second end of second arc all is provided with along length direction the stereotypes, two form between the stereotypes and press from both sides the groove, carve the activity of type piece and insert and locate press from both sides the inslot. The stable in structure of template can ensure that the line type and the size in construction time escape canal all satisfy the designing requirement, and the line type in escape canal is smooth, and the roughness is higher. The template can be disassembled and assembled through the wedge-shaped blocks, the operation is simple, and the site operation of workers is facilitated.
Description
Technical Field
The utility model belongs to the technical field of cast-in-place construction technique and specifically relates to indicate a template in cast-in-place escape canal in tunnel.
Background
In the current tunnel design selection, the side ditches mostly adopt inverted omega-shaped drainage ditches for aesthetic consideration. However, in the actual construction process, the inverted omega-shaped drainage ditch is small in size and complex in structure, and the common template cannot guarantee the shape and size of the inner mold of the side ditch. In the related art, an air bag inner die is used as an inner die for side ditch construction, but the air bag inner die is high in cost and difficult to control the pressure of an air bag, and the line type and the size of a formed side ditch are difficult to guarantee. The prefabricated and formed inverted omega-shaped drainage ditch has the advantages of multiple seams, poor line type, complicated later seam filling procedures and easiness in water seepage phenomenon after being installed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that: the template of the tunnel cast-in-place drainage ditch is low in cost and easy to control linear dimension.
In order to solve the technical problem, the utility model discloses a technical scheme be: the template of the tunnel cast-in-place drainage ditch comprises a first arc-shaped plate, a second arc-shaped plate, a shaping plate and a wedge-shaped block;
the first arc-shaped plate and the second arc-shaped plate are symmetrically arranged, the first end of the first arc-shaped plate is hinged to the first end of the second arc-shaped plate, and the first arc-shaped plate and the second arc-shaped plate respectively protrude towards one side far away from each other;
the second end of first arc with the second end of second arc all is provided with along length direction the stereotype board, two form between the stereotype board and press from both sides the groove, carve the activity of type piece and insert and locate press from both sides in the groove.
Further, still evenly be provided with 2 at least setting elements on the stereotype plate.
Further, the locating piece sets up in two on the side that the stereotype board is close to each other.
Furthermore, a pulling and connecting piece is arranged on the side face, close to each other, of the first arc-shaped plate and the second arc-shaped plate.
Furthermore, scales are arranged on the wedge-shaped block.
Further, the cross sections of the first arc-shaped plate and the second arc-shaped plate are both semicircular.
Further, the first and second arcuate plates each have a cross-sectional arc less than 180 °.
The beneficial effects of the utility model reside in that: the first end of first arc and the first end of second arc are articulated to be connected, and first arc and second arc form to keeping away from one side protrusion on the other side and fall "omega" type structure, and the second end of first arc and the second end of second arc are provided with the stereotype respectively. Before concrete is poured, the first arc-shaped plate and the second arc-shaped plate are placed in groove positions of the drainage ditch, then wedge-shaped blocks are arranged in the clamping grooves between the two shaping plates, and the opening and closing angles of the first arc-shaped plate and the second arc-shaped plate are adjusted through the wedge-shaped blocks. And after the pouring conditions are met, concrete is poured on the outer sides of the first arc-shaped plate and the second arc-shaped plate, and the concrete forms an inverted omega-shaped drainage structure. And (3) removing the wedge-shaped block after the concrete is solidified, realizing demoulding by reducing the included angle between the first arc-shaped plate and the second arc-shaped plate, and finishing continuous construction after positioning at the next station after demoulding. The utility model provides a template in cast-in-place escape canal in tunnel, stable in structure, the line type and the size in escape canal all satisfy the designing requirement when can guaranteeing the construction, and the line type in escape canal is smooth, and the roughness is higher. The template can be disassembled and assembled through the wedge-shaped blocks, the operation is simple, and the site operation of workers is facilitated.
Drawings
The specific structure of the present invention is detailed below with reference to the accompanying drawings:
fig. 1 is a perspective view of a formwork of the tunnel cast-in-place drainage ditch of the present invention;
figure 2 is the utility model discloses the section schematic diagram of the template in cast-in-place escape canal in tunnel.
In the figure: 1-a first arc-shaped plate, 2-a second arc-shaped plate, 12-a hinge, 3-a shaping plate, 31-a positioning piece, 33-a clamping groove and 21-a pulling connecting piece.
Detailed Description
In order to explain the technical contents, structural features, objects and effects of the present invention in detail, the following description is made in conjunction with the embodiments and the accompanying drawings.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the related art, the shape and the size of the inner die of the side ditch are determined by adopting the inner die of the air bag, but the inner die of the air bag has higher cost and the pressure of the air bag is difficult to control, and the line type and the size of the formed side ditch are difficult to ensure. The prefabricated and formed inverted omega-shaped drainage ditch has the advantages of multiple seams, poor line type, complicated later seam filling procedures and easiness in water seepage phenomenon after being installed.
According to the utility model provides a template of cast-in-place escape canal in tunnel please refer to fig. 1 and fig. 2, including first arc 1, second arc 2, stereotype 3 and carve the type piece (not shown in the figure).
Specifically, first arc 1 and the symmetrical setting of second arc 2, in order to guarantee the symmetry of escape canal, first arc 1 and second arc 2 adopt the same shape and size. In other cast-in-place structures of invering, first arc 1 and second arc 2 can adopt different sizes, can pour the eccentric structure of invering out, and this structure is in equally the utility model discloses an in the protection scope.
The first end of first arc 1 and the first end of second arc 2 are connected through articulated, can realize opening and shutting of angle between first arc 1 and the second arc 2. During the actual use, evenly be provided with a plurality of hinges 12 in the first end of first arc 1 and the first end department of second arc 2, the interval of hinge 12 sets up according to actual need.
The second end of the first arc-shaped plate 1 and the second end of the second arc-shaped plate 2 are respectively provided with a shaping plate 3 along the length direction, a clamping groove 33 is formed between the two shaping plates 3, and the wedge-shaped block is arranged in the clamping groove 33. In actual use, the shaping plate 3 can be a steel plate with the thickness of 5 mm.
Wedge type piece is inserted and is located double-layered inslot 33, can adjust the angle that opens and shuts of first arc 1 and second arc 2, avoids first arc 1 and second arc 2 to receive the extrusion and closed when concreting, and then leads to the size in escape canal inhomogeneous.
After the concrete is poured, the wedge-shaped block is removed, and the included angle between the first arc-shaped plate 1 and the second arc-shaped plate 2 can be reduced when no external force is used for supporting, so that the demoulding is realized. During the use, drag first arc 1 and second arc 2 after the drawing of patterns along the construction direction, and the continuous construction is fixed a position at next station after.
The utility model provides a template in cast-in-place escape canal in tunnel, stable in structure, the line type and the size in escape canal all satisfy the designing requirement when can guaranteeing the construction. The cast-in-place structure can avoid the appearance of abutted seams, and can improve the anti-seepage performance of the drainage ditch. Meanwhile, the template is disassembled and assembled through the wedge-shaped block, so that the operation is simple, and the site operation of workers is facilitated.
Before concrete pouring, the template needs to be positioned, namely the first arc-shaped plate 1 and the second arc-shaped plate 2 are fixed at the designed positions. Preferably, in the present embodiment, a plurality of positioning members 31 are provided on the sizing plate 3, and the number of the positioning members 31 is at least 2. During construction, the positioning piece 31 is fixed by iron wires, steel bars or other connecting structures, and the shaping plate 3 is fixed. The positioning elements 31 are preferably arranged on the sides of the two sizing plates 3 that are close to each other, avoiding the outer positions of the concrete pour or the top positions that are liable to be disturbed. In practical use, the positioning member 31 may be a galvanized steel pipe with a diameter of 15mm and a length of about 3cm.
The utility model provides a template in cast-in-place escape canal in tunnel needs to remove to next station after accomplishing form removal work, needs pull out the template along escape canal construction direction this moment. In order to facilitate uniform application of an acting force to the first arc-shaped plate 1 and the second arc-shaped plate 2, a pulling member 21 is provided on a side surface of the first arc-shaped plate 1, which is close to the second arc-shaped plate 2 in this embodiment. During the in-service use, connect through the hand block and pull connecting piece 21, pull out the template from the escape canal that has already been built, pull connecting piece 21 can adopt the reinforcing bar welding of diameter 14mm to become short hook shape.
The utility model provides a template in cast-in-place escape canal in tunnel, carve the type piece and insert and locate two clamp grooves between the stereotype 3, play the effect of supporting contained angle between first arc 1 and the second arc 2. When the lengths of the first arc-shaped plate 1 and the second arc-shaped plate 2 are large, the included angle between the two shaping plates 3 needs to be strictly controlled.
Preferably, in the embodiment, the scale or mark is provided on the wedge-shaped block, and the wedge-shaped block can be a wood wedge. A plurality of wedge-shaped blocks are uniformly arranged in a clamping groove between the two shaping plates 3, the inserting distance or the width of each wedge-shaped block is kept consistent, the included angle between the first arc-shaped plate 1 and the second arc-shaped plate 2 is kept uniform in the length direction, and the smoothness of the drainage ditch line type is further ensured.
In one embodiment, the cross sections of the first arc-shaped plate 1 and the second arc-shaped plate 2 are both semicircular, so that a steel pipe can be cut along the center to form two semicircular arc-shaped plates during manufacturing, and the diameter of the steel pipe can be selected according to needs. The manufacturing materials are convenient to obtain, the cost is saved, and the construction efficiency is improved.
In another embodiment, in order to ensure smooth connection of the bottom of the drainage ditch and smooth line shape of the bottom, the arc degrees of the cross sections of the first arc-shaped plate 1 and the second arc-shaped plate 2 are both less than 180 degrees. After inserting and carving the type piece, the first end smooth-going of first arc 1 and second arc 2 is connected, can effectively promote the effect of pouring at the bottom of the ditch.
To sum up, the utility model provides a template in cast-in-place escape canal in tunnel, the first end of first arc and the articulated connection of first end of second arc, first arc and second arc form to keeping away from one side protrusion of the other side and fall "omega" type structure, and the second of first arc is held and the second of second arc is held and is provided with the stereotype respectively. Before concrete is poured, the first arc-shaped plate and the second arc-shaped plate are placed in a groove of the drainage ditch, then a wedge-shaped block is arranged in a clamping groove between the two shaping plates, and the opening and closing angles of the first arc-shaped plate and the second arc-shaped plate are adjusted through the wedge-shaped block. And after the pouring conditions are met, concrete is poured on the outer sides of the first arc-shaped plate and the second arc-shaped plate, and the concrete forms an inverted omega-shaped drainage structure. And (3) removing the wedge-shaped block after the concrete is solidified, realizing demoulding by reducing the included angle between the first arc-shaped plate and the second arc-shaped plate, and finishing continuous construction after positioning at the next station after demoulding. The utility model provides a template in cast-in-place escape canal in tunnel, stable in structure, the line type and the size in escape canal all satisfy the designing requirement when can guaranteeing the construction, and the line type in escape canal is smooth, and the roughness is higher. The template can be disassembled and assembled through the wedge-shaped blocks, the operation is simple, and the site operation of workers is facilitated.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. The utility model provides a template in cast-in-place escape canal in tunnel which characterized in that: comprises a first arc-shaped plate, a second arc-shaped plate, a shaping plate and a wedge-shaped block;
the first arc-shaped plate and the second arc-shaped plate are symmetrically arranged, the first end of the first arc-shaped plate is hinged to the first end of the second arc-shaped plate, and the first arc-shaped plate and the second arc-shaped plate respectively protrude towards one side far away from each other;
the second end of first arc with the second end of second arc all is provided with along length direction the stereotype board, two form between the stereotype board and press from both sides the groove, carve the activity of type piece and insert and locate press from both sides in the groove.
2. The formwork for a tunnel cast-in-place drainage ditch according to claim 1, wherein: at least 2 positioning pieces are evenly arranged on the shaping plate.
3. The formwork for a tunnel cast-in-place drainage ditch according to claim 2, wherein: the setting element sets up in two on the side that the stereotype board is close to each other.
4. The formwork for a tunnel cast-in-place drainage ditch according to claim 1, wherein: and a pulling and connecting piece is arranged on the side surface of the first arc-shaped plate, which is close to the second arc-shaped plate.
5. The formwork for a tunnel cast-in-place drainage ditch according to claim 1, wherein: the wedge-shaped block is provided with scales.
6. The formwork for a tunnel cast-in-place drainage ditch according to claim 1, wherein: the cross sections of the first arc-shaped plate and the second arc-shaped plate are semicircular.
7. The formwork for a tunnel cast-in-place drainage ditch according to claim 1, wherein: the radian of the cross sections of the first arc-shaped plate and the second arc-shaped plate is less than 180 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222292827.7U CN218508617U (en) | 2022-08-29 | 2022-08-29 | Template in cast-in-place escape canal in tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222292827.7U CN218508617U (en) | 2022-08-29 | 2022-08-29 | Template in cast-in-place escape canal in tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218508617U true CN218508617U (en) | 2023-02-21 |
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ID=85212125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222292827.7U Active CN218508617U (en) | 2022-08-29 | 2022-08-29 | Template in cast-in-place escape canal in tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218508617U (en) |
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2022
- 2022-08-29 CN CN202222292827.7U patent/CN218508617U/en active Active
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