CN215925877U - Roller compacted concrete dam climbing corridor template structure - Google Patents
Roller compacted concrete dam climbing corridor template structure Download PDFInfo
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- CN215925877U CN215925877U CN202122410134.9U CN202122410134U CN215925877U CN 215925877 U CN215925877 U CN 215925877U CN 202122410134 U CN202122410134 U CN 202122410134U CN 215925877 U CN215925877 U CN 215925877U
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Abstract
The utility model discloses a roller compacted concrete dam climbing corridor template structure which comprises two groups of corridor side templates and a cover plate template, wherein the corridor side templates are oppositely arranged along the extension direction of a corridor surface layer control line of a dam climbing corridor, the cover plate template is arranged at the tops of the two groups of corridor side templates, each group of corridor side template comprises a lower side template unit and an upper side template unit which are arranged up and down, the lower side template unit comprises a plurality of lower layer side wall prefabricated templates which are arranged in a step shape, the upper side template unit comprises a plurality of upper layer side wall prefabricated templates of which the bottoms are arranged in the step shape, the tops of the upper layer side wall prefabricated templates are inclined planes matched with the corridor surface layer control line, and end plugging templates are arranged at the bottom step positions of the lower layer side wall prefabricated templates. According to the utility model, each group of gallery side templates is prefabricated in an up-and-down block mode, the total weight of the traditional single prefabricated template is reduced, the prefabricated templates are installed and hoisted without a large crane, hoisting means is easy to solve, convenience and flexibility are realized, and template assembly and rolled concrete blank layer-by-layer paving and pouring are synchronously constructed.
Description
Technical Field
The utility model belongs to the technical field of dam climbing gallery templates, and particularly relates to a roller compacted concrete dam climbing gallery template structure.
Background
In the process of constructing the roller compacted concrete dam, because of the functional requirements of curtain grouting of the dam, drainage of the dam body, operation and the like, galleries are generally arranged in the dam body in parallel along the axis direction of the dam, and the galleries are generally arranged along the slope ratio of the bank slopes and obliquely climbing at the bank slope positions of two sides of the dam.
Because the galleries at the bank slope positions on the two banks of the dam are obliquely arranged in a climbing manner, the galleries in the range of the height of a pouring layer (generally more than 3m) need to be simultaneously poured on the bottom and the top plate of the gallery at the same section, so that the direct interference of gallery formwork erection and roller compacted concrete pouring is serious. The conventional scheme is that the gallery formwork is mounted in a steel structure erecting mode in a hanging mode, then dam roller compacted concrete is poured, and normal concrete pouring is adopted for the gallery bottom roller compacted concrete due to the fact that the roller compacted concrete cannot be subjected to roller compacted pouring construction under the influence of the formwork mounted in advance. The existing gallery formwork is large in size and inconvenient to assemble, so that the construction process of concrete construction is complicated, the construction efficiency is low, the construction cost is high, the occupied time of a spare warehouse is long, the construction progress is slow and the like.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a roller compacted concrete dam climbing gallery template structure aiming at the defects in the prior art, the roller compacted concrete dam climbing gallery template structure is novel and reasonable in design, each group of gallery side templates is prefabricated in an up-and-down block mode, the total weight of the traditional single prefabricated template is reduced, the prefabricated templates are installed and hoisted without a large crane, the hoisting means is easy to solve, the operation is convenient and flexible, the template assembly and the roller compacted concrete blank layer-by-layer spreading and pouring are synchronously constructed, the use effect is good, and the popularization and the use are convenient.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a roller compacted concrete dam climbing corridor template structure which characterized in that: the prefabricated template comprises two groups of gallery side templates and a cover plate template, wherein the gallery surface layer control lines of a dam climbing gallery are oppositely arranged in the extending direction, the cover plate template is arranged at the top of the two groups of gallery side templates, each group of gallery side templates comprises a lower side template unit and an upper side template unit which are arranged from top to bottom, the lower side template unit comprises a plurality of lower side wall prefabricated templates which are arranged in a ladder shape, the upper side template unit comprises a plurality of upper side wall prefabricated templates the bottoms of which are arranged in the ladder shape, the number of the upper side wall prefabricated templates is equal to that of the lower side wall prefabricated templates and corresponds to that of the lower side wall prefabricated templates one by one, the top of each upper side wall prefabricated template is an inclined plane matched with the gallery surface layer control line, an end plugging template is arranged at the bottom step position of each lower side wall prefabricated template, the cover plate template comprises a plurality of prefabricated cover plates, and lifting lugs at the tops of the upper side wall prefabricated templates and the lower side wall prefabricated templates are provided with grooves, the end lug sets up in the lug recess.
The utility model provides an foretell roller compacted concrete dam climbing corridor template structure which characterized in that: the gallery floor control line comprises a gallery bottom floor line and a gallery top floor line, and the gallery bottom floor line is parallel to the gallery top floor line.
The utility model provides an foretell roller compacted concrete dam climbing corridor template structure which characterized in that: the top of the prefabricated template of the upper layer side wall is superposed with the top surface line of the gallery, the bottom of the prefabricated template of the lower layer side wall is lower than the bottom surface line of the gallery, and the top of the end plugging template is lower than the bottom surface line of the gallery.
The utility model provides an foretell roller compacted concrete dam climbing corridor template structure which characterized in that: and a plurality of template opposite supports are arranged between the two groups of gallery side templates.
The utility model provides an foretell roller compacted concrete dam climbing corridor template structure which characterized in that: and transportation lifting lugs are arranged on the lower sides of the upper layer side wall prefabricated template and the lower layer side wall prefabricated template.
The utility model provides an foretell roller compacted concrete dam climbing corridor template structure which characterized in that: and the gallery side templates and the cover plate templates are both prefabricated reinforced concrete templates.
The utility model provides an foretell roller compacted concrete dam climbing corridor template structure which characterized in that: the prefabricated template of upper strata side wall and the prefabricated template of lower floor's side wall are the same width, and the width of lower floor's side wall prefabricated template is the horizontal distance that dam climbing corridor bottom plate slope extension when roller compacted concrete rises one or two germ layer heights.
The utility model provides an foretell roller compacted concrete dam climbing corridor template structure which characterized in that: the height of the germ layer was 30 cm.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, each group of gallery side templates adopts the lower side template unit and the upper side template unit which are arranged up and down, the side wall prefabricated templates are prefabricated up and down in a partitioning manner, the weight and the height of the prefabricated templates are reduced, the prefabricated templates are installed and hoisted without a large crane, the hoisting means is easy to solve, the method is convenient and flexible, the problem that the slope galleries take time and labor for erecting and removing the templates in a conventional template mode is avoided, and the method is convenient to popularize and use.
2. The top of the prefabricated template of the upper side wall is an inclined plane matched with the control line of the gallery surface layer, the bottom step position of the prefabricated template of the lower side wall is provided with an end plugging template, the prefabricated template of the upper side wall and the prefabricated template of the lower side wall are equal in width, and the width of the prefabricated template of the lower side wall is the horizontal distance prolonged by the slope of the bottom plate of the gallery where the dam climbs when the roller compacted concrete rises to one or two germ layer heights, so that the synchronous construction effect of the installation of the prefabricated slab of the gallery side wall and the layer-by-layer paving and pouring of the roller compacted concrete germ layer is realized, and the prefabricated template of the gallery side wall is reliable and stable and has good use effect.
3. The prefabricated formwork is novel and reasonable in design, the top of the upper-layer side wall prefabricated formwork and the top of the lower-layer side wall prefabricated formwork are provided with the lifting lug grooves, the end lifting lugs are arranged in the lifting lug grooves, collision between the upper-layer prefabricated formwork and the lifting lugs is avoided, the lifting lug grooves are reserved and are blocked by mortar after the prefabricated formworks are installed in place, the side transportation lifting lugs are used when the prefabricated formworks are prefabricated, transported and hoisted, the upper end lifting lugs are used when the prefabricated formworks are installed in place, and therefore the prefabricated formwork is convenient to popularize and use.
In conclusion, the utility model has novel and reasonable design, each group of gallery side templates is prefabricated in an up-and-down block mode, the total weight of the traditional single prefabricated template is reduced, a large crane is not needed for the installation and hoisting of the prefabricated template, the hoisting means is easy to solve, the operation is convenient and flexible, the template assembly and the rolled concrete blank layer-by-layer paving and pouring are synchronously constructed, the use effect is good, and the popularization and the use are convenient.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is an upstream elevation view of a ramp corridor layout of the present invention.
Fig. 2 is a schematic diagram of the arrangement structure of the prefabricated template of the climbing corridor.
Fig. 3 is a sectional view a-a of fig. 2.
Description of reference numerals:
1-dam foundation side slope; 2, a layered pouring line of the roller compacted concrete of the dam;
3, rolling a concrete pouring layer by using the dam; 4, prefabricating a template on the lower side wall;
5, prefabricating a template on the upper side wall; 6-end plugging template; 7, prefabricating a cover plate;
8, conveying lifting lugs; 9-end lifting lug; 10-lug groove;
11-rolling the concrete embryo layer line; 12-gallery bottom floor line;
13-dam climbing corridor; 14, oppositely supporting the templates; 15-gallery top surface line.
Detailed Description
As shown in fig. 1 to 3, the utility model comprises two groups of gallery side templates and a cover plate template, wherein the two groups of gallery side templates are oppositely arranged along the extension direction of a gallery surface control line of a dam climbing gallery 13, each group of gallery side templates comprises a lower side template unit and an upper side template unit which are arranged up and down, the lower side template unit comprises a plurality of lower side wall prefabricated templates 4 which are arranged in a step shape, the upper side template unit comprises a plurality of upper side wall prefabricated templates 5 the bottoms of which are arranged in a step shape, the number of the upper side wall prefabricated templates 5 is equal to that of the lower side wall prefabricated templates 4 and corresponds to one another, the top of the upper side wall prefabricated templates 5 is an inclined plane matched with the gallery surface control line, an end plugging template 6 is arranged at the bottom step position of the lower side wall prefabricated templates 4, and the cover plate template comprises a plurality of prefabricated cover plates 7, lifting lug grooves 10 are formed in the tops of the upper layer side wall prefabricated formwork 5 and the lower layer side wall prefabricated formwork 4, and end lifting lugs 9 are arranged in the lifting lug grooves 10.
It should be noted that each group of gallery side templates adopts a lower side template unit and an upper side template unit which are arranged up and down, the side wall prefabricated templates are prefabricated up and down in a partitioning manner, the weight and the height of the prefabricated templates are reduced, a large crane is not needed for installing and hoisting the prefabricated templates, the hoisting means is easy to solve, convenient and flexible, and the problem that the slope galleries take time and labor for formwork erection and formwork removal in a conventional template mode is avoided; the top of the upper layer side wall prefabricated template is an inclined plane matched with the gallery surface layer control line, an end plugging template is arranged at the position of a step at the bottom of the lower layer side wall prefabricated template, the upper layer side wall prefabricated template and the lower layer side wall prefabricated template are equal in width, and the width of the lower layer side wall prefabricated template is the horizontal distance prolonged by the slope of the bottom plate of the dam climbing gallery when the roller compacted concrete rises to one or two germ layer heights, so that the effect of synchronous construction of installation of the gallery side wall prefabricated plate and layer-by-layer paving and pouring of the roller compacted concrete germ layer is realized; the top of prefabricated template of upper floor side wall and lower floor's side wall has seted up the lug recess, and the end lug sets up in the lug recess, avoids upper portion prefabricated plate installation and lug conflict, reserves the lug recess and adopts the mortar shutoff after prefabricated template installation takes one's place, and prefabricated template uses side transportation lug when prefabrication processing and transportation hoist and mount, uses upper portion end lug when the installation takes one's place.
In actual implementation, the length of the prefabricated cover plate 7 is larger than the net width of the corridor, two ends of the cover plate are placed at the top of the side wall prefabricated plate, and the self weight of the cover plate and the weight of concrete on the upper portion of the cover plate are supported by the top end of the side wall prefabricated plate.
In practical implementation, the end plugging template 6 is sealed by adopting a wood template or a steel template vertical mold.
In this embodiment, the gallery floor control line includes a gallery bottom floor line 12 and a gallery top floor line 15, and the gallery bottom floor line 12 and the gallery top floor line 15 are parallel.
In this embodiment, the top of the upper-layer side wall prefabricated template 5 coincides with the gallery top surface line 15, the bottom of the lower-layer side wall prefabricated template 4 is lower than the gallery bottom surface line 12, and the top of the end plugging template 6 is lower than the gallery bottom surface line 12.
In this embodiment, a plurality of formwork diagonal braces 14 are provided between the two sets of gallery side formworks.
In actual implementation, the side wall prefabricated plate can be supported in a two-side opposite support mode, a pull rod is not arranged in the bin number, the operation space of a leveling bin and rolling equipment for rolling concrete is increased, and the workload of abnormal concrete is reduced.
In this embodiment, the transportation lifting lugs 8 are arranged on the lower sides of the upper layer side wall prefabricated formwork 5 and the lower layer side wall prefabricated formwork 4.
In this embodiment, two sets of corridor side form board and apron template are prefabricated reinforced concrete template.
In this embodiment, the upper prefabricated formwork 5 and the lower prefabricated formwork 4 are equal in width, and the width of the lower prefabricated formwork 4 is the horizontal distance extended by the slope of the bottom plate of the dam climbing gallery 13 when the roller compacted concrete rises to one or two germ layer heights, so that the effect of synchronous construction of installation of the side prefabricated slabs of the gallery and layer-by-layer spreading and pouring of the roller compacted concrete germ layers is realized.
In this example, the height of the germ layer was 30 cm.
When the method is used, the dam roller compacted concrete layered pouring line 2 is used for layering the dam climbing gallery 13 part of the roller compacted concrete dam, and a plurality of dam roller compacted concrete layers to be poured are obtained from bottom to top; layering the layer to be poured of the dam roller compacted concrete by using the roller compacted concrete blank layer line 11, and obtaining a plurality of roller compacted concrete layers to be poured from bottom to top; the process of the roller compacted concrete dam climbing corridor template is as follows:
a plurality of template opposite supports 14 are arranged between the two groups of gallery side templates;
and 4, pouring the roller compacted concrete for the second time: pouring roller compacted concrete with the height of the two germ layers of roller compacted concrete;
and 6, removing the plurality of template counter supports 14.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a roller compacted concrete dam climbing corridor template structure which characterized in that: the prefabricated template comprises two groups of gallery side templates and a cover plate template, wherein the gallery surface control lines of a dam climbing gallery (13) are oppositely arranged in the extending direction, the cover plate template is arranged at the top of the two groups of gallery side templates, each group of gallery side templates comprises a lower side template unit and an upper side template unit which are arranged up and down, the lower side template unit comprises a plurality of lower side wall prefabricated templates (4) which are arranged in a ladder shape, the upper side template unit comprises a plurality of upper side wall prefabricated templates (5) the bottoms of which are arranged in the ladder shape, the number of the upper side wall prefabricated templates (5) is equal to that of the lower side wall prefabricated templates (4) and corresponds to one another, the top of the upper side wall prefabricated templates (5) is an inclined plane matched with the gallery surface control lines, an end plugging template (6) is arranged at the bottom step position of the lower side wall prefabricated templates (4), and the cover plate template comprises a plurality of prefabricated cover plates (7), lifting lug grooves (10) are formed in the tops of the upper-layer side wall prefabricated formwork (5) and the lower-layer side wall prefabricated formwork (4), and end lifting lugs (9) are arranged in the lifting lug grooves (10).
2. The roller compacted concrete dam climbing corridor template structure according to claim 1, wherein: the gallery surface control line comprises a gallery bottom surface line (12) and a gallery top surface line (15), and the gallery bottom surface line (12) is parallel to the gallery top surface line (15).
3. The roller compacted concrete dam climbing corridor template structure according to claim 2, wherein: the top of the upper layer side wall prefabricated template (5) is superposed with the gallery top surface line (15), the bottom of the lower layer side wall prefabricated template (4) is lower than the gallery bottom surface line (12), and the top of the end plugging template (6) is lower than the gallery bottom surface line (12).
4. The roller compacted concrete dam climbing corridor template structure according to claim 1, wherein: a plurality of template opposite supports (14) are arranged between the two groups of gallery side templates.
5. The roller compacted concrete dam climbing corridor template structure according to claim 1, wherein: and transportation lifting lugs (8) are arranged on the lower sides of the upper layer side wall prefabricated template (5) and the lower layer side wall prefabricated template (4).
6. The roller compacted concrete dam climbing corridor template structure according to claim 1, wherein: and the gallery side templates and the cover plate templates are both prefabricated reinforced concrete templates.
7. The roller compacted concrete dam climbing corridor template structure according to claim 1, wherein: the prefabricated template of upper strata side wall (5) and lower floor's side wall prefabricated template (4) are aequilate, and the width of lower floor's side wall prefabricated template (4) is the horizontal distance of dam climbing corridor (13) bottom plate slope extension when roller compacted concrete rises one or two germ layer heights.
8. The roller compacted concrete dam climbing corridor template structure according to claim 7, wherein: the height of the germ layer was 30 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122410134.9U CN215925877U (en) | 2021-09-30 | 2021-09-30 | Roller compacted concrete dam climbing corridor template structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122410134.9U CN215925877U (en) | 2021-09-30 | 2021-09-30 | Roller compacted concrete dam climbing corridor template structure |
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| Publication Number | Publication Date |
|---|---|
| CN215925877U true CN215925877U (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122410134.9U Active CN215925877U (en) | 2021-09-30 | 2021-09-30 | Roller compacted concrete dam climbing corridor template structure |
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2021
- 2021-09-30 CN CN202122410134.9U patent/CN215925877U/en active Active
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