CN201390951Y - Stepped formwork of roller compacted concrete dam overflow surface - Google Patents
Stepped formwork of roller compacted concrete dam overflow surface Download PDFInfo
- Publication number
- CN201390951Y CN201390951Y CN200920107841U CN200920107841U CN201390951Y CN 201390951 Y CN201390951 Y CN 201390951Y CN 200920107841 U CN200920107841 U CN 200920107841U CN 200920107841 U CN200920107841 U CN 200920107841U CN 201390951 Y CN201390951 Y CN 201390951Y
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- girder
- template
- formwork
- panel
- brace
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- Expired - Lifetime
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- 239000011382 roller-compacted concrete Substances 0.000 title claims abstract description 25
- 238000009415 formwork Methods 0.000 title abstract description 19
- 239000004567 concrete Substances 0.000 claims abstract description 19
- 239000011148 porous material Substances 0.000 claims description 26
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 210000003205 muscle Anatomy 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 241000282326 Felis catus Species 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 8
- 238000004873 anchoring Methods 0.000 abstract description 4
- 230000000630 rising effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 7
- 241000218202 Coptis Species 0.000 description 6
- 235000002991 Coptis groenlandica Nutrition 0.000 description 6
- 238000009941 weaving Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 241001149930 Protura <class> Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000009416 shuttering Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The utility model belongs to the field of building engineering, in particular to a stepped formwork of a roller compacted concrete dam overflow surface, which is formed by combining formworks in step shape, wherein each formwork comprises a panel, a supporting system and a formwork pulling rod part. The supporting system comprises a girder and trusses and has functions of supporting and fixing the panel and assembling adjacent formworks, and the formwork pulling rod part has functions of anchoring and supporting the formworks. During engineering construction, a second-layered formwork is hoisted after a first-layered formwork is poured with concrete full, and the first-layered formwork and the second-layered formwork are connected to form an integral plate. A third-layered formwork is mounted according to the same method after the second-layered formwork is poured with concrete full, and the first-layered formwork is detached after the third-layered formwork is poured with concrete full. The formwork can be mounted circularly according to the above method and can also be turned and raised along with engineering progress rate, thereby meeting requirements of continuous paving and rising of concrete.
Description
Technical field
The utility model belongs to building engineering field, relates in particular to a kind of step template of roller compacted concrete Dam spillwag chute.
Background technology
Roller compacted concrete Dam spillwag chute step template specialized application is in the construction of Hydraulic and Hydro-Power Engineering roller compacted concrete Dam spillwag chute downstream step surface concrete blinding, the construction characteristic that overflow monolith roller compacted concrete rises rapidly, continuously can be satisfied, the requirement that the continuous making of roller compacted concrete rises can be adapted to.
In work progress, not high usually as the roller compacted concrete aspect planeness of basal plane, and template is fixed on the concrete that just rolls not final set, certain displacement takes place under the vibration effect easily rolling.Simultaneously owing to worry the template displacement, vibrate and the work of rolling is subjected to certain restriction, concrete quality also is subjected to certain influence.In addition the set-up time of template longer, be difficult for satisfying the construction requirement that roller compacted concrete rises rapidly, continuously.
The utility model content
The utility model is to provide a kind of step template of roller compacted concrete Dam spillwag chute, can design the template corresponding size according to different spillwag chute structures, further optimize formwork structure and installed and fixed scheme, can effectively prevent the displacement phenomenon of template in work progress.Template can constantly rise along with programming in work progress, satisfies the requirement that the concrete continuous making rises.
The technical solution of the utility model is: a kind of step template of roller compacted concrete Dam spillwag chute is characterized in that: described step template by template by regulating system with joint cover is stepped combines.After the first floor template was watered full concrete, lifting second layer template made first and second layer template be linked to be integral slab.After second layer template is watered full concrete, the 3rd layer of template is installed in the same way again, treat that the 3rd layer is watered and remove the first floor template behind the full concrete, method is carried out cycle installation as described above, template also can along with programming constantly circulation turn over liter.
Template comprises panel, is installed on support system and drawing-die rod member on the panel.Support system is the truss-like back of the body frame that offers connection holes, comprises girder and truss two parts of being connected with panel, a common panel configuration two cover support systems.
The truss of support system comprises perpendicular to the cross tube of girder and sheer pole, be parallel to vertical rod that girder and two ends are connected cross tube and sheer pole respectively, be last brace, middle brace and following brace that N shape is connected successively; Sheer pole is installed on the girder bottom, and cross tube is installed on the position that flushes with panel; Last brace one end is connected in the girder upper end, and the other end is connected with cross tube; Middle brace and following V-shaped connection of brace, its end that intersects is connected in girder jointly, and the other end connects cross tube and sheer pole separately respectively.
Connecting pore on the support system comprises last connecting pore and the middle connecting pore that lays respectively at girder upper end and middle part, is arranged in the right connecting pore and the following connecting pore that is positioned at sheer pole and vertical rod junction of brace and brace connection.
Regulating system adopts jackscrew, by the connecting pore adjustment on the template and fixing two adjacent templates.During installation, the last connecting pore of first floor template is connected to the right connecting pore of second layer template by regulating system, and the middle connecting pore of first floor template connects the following connecting pore of second layer template by gusset piece.Make first and second layer template be linked to be integral body by the adjustable screw jack, become new cantilever form.
The drawing-die rod member passes the drawing-die muscle hole that is opened on girder and the panel, and an end of drawing-die rod member is fixed in girder, and the other end is embedded in the concrete.The part that the drawing-die rod member is positioned at panel is cone-shaped, and weaving done in fine silks and gold thread by the tapestry method in the conehead is inserted in the weaving done in fine silks and gold thread by the tapestry method of drawing-die muscle in the cone when template is installed, and plays the effect of anchoring and support shuttering.Each template disposes quadruplet drawing-die rod member at least.
Panel is a rectangular steel plates, for increasing its intensity, secondary beam and strength plate is installed on steel plate.Cat ladder is housed on panel, is convenient to Installation and Debugging template in construction.In the girder upper end hanger is housed, is used for lifting by crane template in assembling.
Advantage of the present utility model is: in the downstream step surface concrete construction of Hydraulic and Hydro-Power Engineering roller compacted concrete Dam spillwag chute, the simple installation of step template is quick, adopt the job practices of the stepped progressively fluid concrete of template, need not to worry when roller compacted concrete, to cause template to issue the position of changing rolling the vibration effect, make and to vibrate and roll that everything goes well with your work carries out, quality of concrete also is protected, and satisfies the construction characteristic that roller compacted concrete rises rapidly, continuously.
Description of drawings
Fig. 1 is the assembling schematic diagram of the step template of roller compacted concrete Dam spillwag chute described in the utility model;
Fig. 2 is the rear elevation of the step template of roller compacted concrete Dam spillwag chute described in the utility model;
Fig. 3 is the formwork structure schematic diagram of the step template of roller compacted concrete Dam spillwag chute described in the utility model;
Fig. 4 is the drawing-die rod schematic representation of the step template of roller compacted concrete Dam spillwag chute described in the utility model;
Fig. 5 is the regulating system schematic diagram of the step template of roller compacted concrete Dam spillwag chute described in the utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in Figure 1 to Figure 3, the step template combines by template is stepped, and template comprises panel 1, is installed on support system and drawing-die rod member on the panel 1.Support system is a truss-like back of the body frame, comprise girder 4 and truss two parts of being connected with panel 1, truss comprises perpendicular to the cross tube 9 of girder 4 and sheer pole 10, be parallel to vertical rod 11 that girder 4 and two ends are connected cross tube 9 and sheer pole 10 respectively, be last brace 12, middle brace 13 and following brace 14 that N shape is connected successively; Sheer pole 10 is installed on girder 4 bottoms, and cross tube 9 is installed on the position that flushes with panel 1; Last brace 12 1 ends are connected in girder 4 upper ends, and the other end is connected with cross tube 9; Middle brace 13 and following 14 V-shaped connections of brace, its end that intersects is connected in girder 4 jointly, and the other end connects cross tube 9 and sheer pole 10 separately respectively.Hanger 21 is equipped with in the girder upper end, is used to lift by crane template.Connecting pore on the support system comprises last connecting pore 15 and the middle connecting pore 16 that lays respectively at girder 4 upper ends and middle part, is arranged in the right connecting pore 18 and the following connecting pore 17 that is positioned at sheer pole 14 and vertical rod 11 junctions of brace 12 and brace 13 connections.Panel 1 disposes two cover support systems.
The drawing-die rod member passes the drawing-die muscle hole 5 that is opened on girder 4 and the panel 1, and an end of drawing-die rod member is fixed in girder 4, and the other end is embedded in the concrete.The part that the drawing-die rod member is positioned at panel 1 is cone-shaped, and weaving done in fine silks and gold thread by the tapestry method in the conehead 25 is inserted in 24 weaving done in fine silks and gold thread by the tapestry methods of drawing-die muscle in the cone when template is installed, and plays the effect of anchoring and support shuttering.A template configuration has quadruplet drawing-die rod member.
Regulating system is a jackscrew 6, by the connecting pore adjustment on the template and fixing two adjacent templates.During installation, the last connecting pore 15 of first floor template is connected to the right connecting pore 18 of second layer template by regulating system, the middle connecting pore 16 of first floor template connects the following connecting pore 17 of second layer template by gusset piece 20, make first and second layer template be linked to be integral body by adjustment, become new cantilever form.After second layer template is watered full concrete, the 3rd layer of template is installed in the same way again, treat to remove the first floor template after the 3rd layer of template watered full concrete, method is carried out cycle installation as described above, and template also can be turned over liter along with programming constantly circulates.
As shown in Figure 4, weaving done in fine silks and gold thread by the tapestry method in the conehead 25 of drawing-die rod member, 24 weaving done in fine silks and gold thread by the tapestry methods of drawing-die muscle were inserted in the conehead 25 when template was installed, and played the effect of anchoring and support shuttering.
As shown in Figure 5, regulating system is a jackscrew 6, comprises screw rod 27 and sleeve 26, and the two ends of jackscrew 6 are provided with the last connecting pore 15 that is connected to adjacent two templates and the through hole 28 of right connecting pore 18.
Claims (5)
1. the step template of a roller compacted concrete Dam spillwag chute, it is characterized in that: described step template combines by template is stepped; Described template is made up of panel (1), the support system and the drawing-die rod member that are loaded on the panel (1); Described support system is made up of truss and the girder (4) that is loaded on panel (1); Girder (4) and panel (1) are provided with the drawing-die muscle hole (5) that the drawing-die rod member is installed; Described drawing-die rod member passes drawing-die muscle hole (5), and an end is fixed in girder (4), and the other end is embedded in the concrete; Described regulating system is the jackscrew (6) that is installed between the template; Hanger (21) is equipped with in described girder (4) upper end.
2. the step template of roller compacted concrete Dam spillwag chute as claimed in claim 1 is characterized in that: described panel (1) is for being equipped with the rectangular steel plates of secondary beam (7) and strength plate (8).
3. the step template of roller compacted concrete Dam spillwag chute as claimed in claim 1 is characterized in that: the truss of described support system comprises perpendicular to the cross tube of girder (4) (9) and sheer pole (10), be parallel to vertical rod (11) that girder (4) and two ends are connected cross tube (9) and sheer pole (10) respectively, be last brace (12), middle brace (13) and following brace (14) that N shape is connected successively; Sheer pole (14) is installed on girder (4) bottom, and cross tube (9) is installed on and the neat high position of panel (1); Last brace (12) one ends are connected in girder (4) upper end, and the other end is connected with cross tube (9); Middle brace (13) and V-shaped connection of following brace (14), its end that intersects is connected in girder (4) jointly, and the other end connects cross tube (9) and sheer pole (10) separately respectively.
4. the step template of roller compacted concrete Dam spillwag chute as claimed in claim 1 is characterized in that: described support system is made up of the middle connecting pore (16) of the last connecting pore that lays respectively at girder (4) upper end and middle part (15), the right connecting pore (18) that is arranged in brace (12) and brace (13) connection, the following connecting pore (17) that is positioned at sheer pole (10) and vertical rod (11) junction.
5. the step template of roller compacted concrete Dam spillwag chute as claimed in claim 1 is characterized in that: described panel (1) is equipped with cat ladder (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107841U CN201390951Y (en) | 2009-05-05 | 2009-05-05 | Stepped formwork of roller compacted concrete dam overflow surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107841U CN201390951Y (en) | 2009-05-05 | 2009-05-05 | Stepped formwork of roller compacted concrete dam overflow surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201390951Y true CN201390951Y (en) | 2010-01-27 |
Family
ID=41597774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920107841U Expired - Lifetime CN201390951Y (en) | 2009-05-05 | 2009-05-05 | Stepped formwork of roller compacted concrete dam overflow surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201390951Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452763A (en) * | 2014-11-07 | 2015-03-25 | 葛洲坝集团第二工程有限公司 | Overflow surface concrete formwork drawing construction method with embedded rails |
| CN105926625A (en) * | 2016-05-06 | 2016-09-07 | 中国葛洲坝集团第工程有限公司 | Die-jacking-free rapid construction method for overflow surface concrete of gate dam |
| CN116219967A (en) * | 2023-04-24 | 2023-06-06 | 中国水利水电第三工程局有限公司 | Construction method of downstream dam face step structure of roller compacted concrete dam |
-
2009
- 2009-05-05 CN CN200920107841U patent/CN201390951Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452763A (en) * | 2014-11-07 | 2015-03-25 | 葛洲坝集团第二工程有限公司 | Overflow surface concrete formwork drawing construction method with embedded rails |
| CN105926625A (en) * | 2016-05-06 | 2016-09-07 | 中国葛洲坝集团第工程有限公司 | Die-jacking-free rapid construction method for overflow surface concrete of gate dam |
| CN105926625B (en) * | 2016-05-06 | 2018-01-23 | 中国葛洲坝集团第一工程有限公司 | Gate dam overflow surface concrete exempts from backform rapid constructing method |
| CN116219967A (en) * | 2023-04-24 | 2023-06-06 | 中国水利水电第三工程局有限公司 | Construction method of downstream dam face step structure of roller compacted concrete dam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100127 |
|
| CX01 | Expiry of patent term |