CN210341934U - Underwater large-volume concrete pouring formwork erecting device - Google Patents
Underwater large-volume concrete pouring formwork erecting device Download PDFInfo
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- CN210341934U CN210341934U CN201920644157.6U CN201920644157U CN210341934U CN 210341934 U CN210341934 U CN 210341934U CN 201920644157 U CN201920644157 U CN 201920644157U CN 210341934 U CN210341934 U CN 210341934U
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Abstract
The utility model relates to a bulky concrete placement founds mould device under water. The utility model aims at providing a simple structure, construction convenience's bulky concrete placement founds mould device under water to ensure stability and the security among the bulky concrete placement process under water. The technical scheme of the utility model is that: the utility model provides a bulky concrete placement founds mould device under water for found the mould and pour new concrete wall on concrete bottom plate, be equipped with former concrete wall on the concrete bottom plate, this founds the mould device have by polylith template with the mould that former concrete wall amalgamation formed, its characterized in that: the template is backed on the support, the lower end of the support is fixed on the concrete bottom plate, and the upper end of the support is connected with the original concrete wall through the split steel bars. The utility model is suitable for an underwater concrete pouring technical field in hydraulic engineering, harbour and channel engineering.
Description
Technical Field
The utility model relates to a bulky concrete placement founds mould device under water. The method is suitable for the technical field of underwater concrete pouring in hydraulic engineering, harbor and channel engineering.
Background
With the further development and construction of rivers and oceans in China, the underwater concrete is widely applied to construction, and particularly becomes an indispensable important component in the engineering construction processes of bridges, water conservancy, oceans and the like. The rapid development of current underwater diving equipment and the appearance of new technologies and new materials such as underwater undispersed concrete promote the further improvement of the underwater large-volume concrete pouring process. In some industries, the requirement on concrete pouring quality is improved, and the requirement on the outline dimension of a concrete structure building is synchronously improved, so that how to erect an underwater template in the process of large-volume concrete pouring construction becomes a key point and a difficulty in implementing an underwater concrete technology.
At present, most underwater assembled templates are adopted for underwater concrete construction, and mainly comprise an assembled wood template, an assembled steel-wood mixed template and the like. Although the traditional assembled template has the advantages of light weight, flexibility, convenience in manufacturing and placement and the like, in underwater concrete pouring construction, particularly in the process of large-volume concrete pouring, due to the defects of poor template standing stability, tight seam sealing and the like, the phenomena of expansion, mold explosion, splicing seam leakage and the like are easy to occur in the pouring process, so that the underwater concrete pouring appearance quality is poor, and even a plurality of problems of concrete pouring failure and the like are caused.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: to the problems, the underwater large-volume concrete pouring formwork erecting device is simple in structure and convenient to construct, and stability and safety in the underwater large-volume concrete pouring process are guaranteed.
The utility model adopts the technical proposal that: the utility model provides a bulky concrete placement founds mould device under water for found the mould and pour new concrete wall on concrete bottom plate, be equipped with former concrete wall on the concrete bottom plate, this founds the mould device have by polylith template with the mould that former concrete wall amalgamation formed, its characterized in that: the template is backed on the support, the lower end of the support is fixed on the concrete bottom plate, and the upper end of the support is connected with the original concrete wall through the split steel bars.
The lower part of the side, far away from the template, of the support is connected with a buttress support, and the buttress support is fixed on the concrete bottom plate.
And a plurality of anchoring holes I are drilled in the concrete bottom plate corresponding to the supports and the buttress supports, inserting steel bars into the anchoring holes I and pouring anchoring agents into the anchoring holes I, and the steel bars are welded and fixed with the corresponding supports or the buttress supports.
And an anchoring hole II is drilled in the original concrete wall corresponding to the opposite-pulling reinforcing steel bar, one end of the opposite-pulling reinforcing steel bar is inserted into the anchoring hole II and is fixed by an anchoring agent poured into the anchoring hole II, and the other end of the opposite-pulling reinforcing steel bar is welded and fixed with the bracket.
The template is fixedly connected with the template through bolts and nuts; the template is fixedly connected with the original concrete wall through expansion bolts.
And rubber pads are arranged at the splicing positions between the templates and the original concrete wall and between the templates and the original concrete wall.
The support adopts a bailey frame.
The Bailey frames are formed by splicing a plurality of Bailey pieces through bolts and transverse supporting rods.
The utility model has the advantages that: the utility model discloses set up the support at the back of template, the support lower extreme is fixed in the bottom plate, and the former concrete wall of bracing steel bar connection is passed through to the support upper end, firm in connection, safe and reliable, and the template is leaned on the support, has improved the template greatly and has born the external thrust of bulky concrete placement in-process to the template, avoids the emergence of bloated mould, exploding the mould. The utility model discloses it is fixed to support through the counterfort in bailey frame outside lower part, has further improved the stability and the security of bailey frame and template, provides strong assurance for pouring smoothly of bulky concrete.
The utility model discloses an wholeness concatenation template, and between the template, concatenation department between template and the former concrete wall all is provided with the cushion, has avoided assembling the defect that seals not tight, concatenation seam leaks thick liquid.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
Fig. 2 and 3 are schematic connection diagrams of the templates in the embodiment.
FIG. 4 is a schematic view of the back of the bracket in the example.
Detailed Description
As shown in fig. 1, the present embodiment is an underwater large-volume concrete-pouring formwork erecting device for erecting a new concrete wall 7 on a concrete floor 9. In this example, the original concrete wall 4 is arranged on the concrete bottom plate 9, and the mould of the new concrete wall 7 is formed by splicing the original concrete wall 4 and a plurality of templates 1. The upper part of the mould is provided with a collecting hopper 5, and the collecting hopper 5 is connected with a guide pipe 6 extending to the lower part in the mould.
As shown in fig. 2 and 3, in the present embodiment, an integral splicing type formwork 1 is adopted, the splicing manner between the formwork 1 and the formwork 1 is fixed by top, middle and lower bolt and nut 11, the connection between the formwork 1 and the original concrete wall 4 is fixed by upper, middle and lower expansion bolts 12, and rubber pads 13 are arranged at the splicing positions between the formworks 1 and between the formwork 1 and the original concrete wall 4.
In this embodiment, the formwork 1 is backed by a support, the lower end of the support is fixed on the concrete bottom plate 9, and the upper end of the support is connected with the original concrete wall 4 through the opposite-pulling steel bars 3. The lower part of the side of the bracket far away from the template 1 is connected with a buttress support 10, and the buttress support 10 is fixed on a concrete bottom plate 9.
In the embodiment, the support adopts a Bailey truss 2, and the Bailey truss 2 is an assembled truss structure and is formed by splicing Bailey sheets 2-1 through bolts and transverse supporting rods 2-2 (see figure 4).
In the embodiment, the anchoring mode of the bottom of the bailey truss 2 and the bottom plate is that an anchoring hole I is drilled in the bottom plate, anchoring agent is poured in the anchoring hole, one end of a dowel 8 is inserted into the anchoring hole, and the other end of the dowel is welded with the bottom of the bailey truss 2. In the embodiment, the buttress support 10 is of a right-angled triangular truss structure, one side of a right-angled edge is welded with the Bailey truss 2, and the other side of the right-angled edge is in anchoring connection with the concrete bottom plate 9 through a beating inserting rib matched with the anchoring hole I.
In the embodiment, the anchoring mode of the counter-pull steel bars 3 and the original concrete wall 4 is that anchoring holes II are drilled in the original concrete wall 4, anchoring agents are poured into the anchoring holes, one ends of the counter-pull steel bars 3 are inserted into the anchoring holes, and the other ends of the counter-pull steel bars are welded with the Bailey frames 2.
The installation method of the embodiment comprises the following steps:
(1) template 1 making, lofting and control measurement:
the steel plate and the section steel are processed in a processing factory according to construction drawings in a segmented mode, the longitudinal and transverse axes of the inner side and the outer side of the template 1 are marked by red paint or ink lines, four vertical lines are marked on the outer edges (namely the periphery) of the axes, and the grid sizes are marked by scales of 5cm and 10cm, so that control during installation is facilitated.
(2) Bailey frame 2 limiting installation
And a bailey frame 2 formed by assembling 321 bailey pieces is adopted to support the outer side of the position of the template 1 to be installed. The footing of the Bailey truss 2 is anchored by drilling inserted steel bars, the drilling is drilled by a geological drill of 110, the depth is 1 m, the distance is 1.5 m, and the positioning steel bars are inserted into the drill holes filled with the anchoring agent. And a triangular counterfort support 10 is arranged on the outer side of the Bailey truss 2 for supporting and fixing, an anchor bar is arranged on the original concrete wall 4 at the top, and the anchor bar is connected with the Bailey truss 2 in a pulling way.
(3) Form 1 assembly
As the template 1 is large and heavy, the template is transported to the site in sections and assembled on a barge, and the splicing mode is fixed through bolts and nuts 11 at the top, the middle and the lower part of the template 1.
(4) Formwork 1 installation
The spliced templates 1 are hung in water by hoisting equipment of a floating crane ship to be installed and fixed, the underwater vertical template is provided with a guide post, a diver leans against the templates 1 on the inner side of the bailey frames 2 in an underwater assisting mode, the templates 1 and the bailey frames 2 are bound by steel wires at the top, and the lower portions of the templates 1 and a bedrock gap and the gaps between the two templates 1 are controlled within a design allowable range. The connection between the side of the formwork 1 and the original concrete wall 4 is fixed by upper, middle and lower expansion bolts 12.
The above is only the specific application example of the present invention, and the present invention has other embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the protection scope claimed by the present invention.
Claims (8)
1. The utility model provides an underwater large-volume concrete placement founds mould device for found mould pouring new concrete wall (7) on concrete bottom plate (9), be equipped with former concrete wall (4) on concrete bottom plate (9), this founds mould device has by polylith template (1) and the mould that former concrete wall (4) amalgamation formed, its characterized in that: the formwork (1) is backed to a support, the lower end of the support is fixed on the concrete bottom plate (9), and the upper end of the support is connected with the original concrete wall (4) through a counter-pulling steel bar (3).
2. The underwater bulk concrete pouring formwork apparatus according to claim 1, wherein: the lower part of the side, far away from the template (1), of the support is connected with a buttress support (10), and the buttress support (10) is fixed on the concrete bottom plate (9).
3. The underwater bulk concrete pouring formwork apparatus according to claim 2, wherein: a plurality of anchoring holes I are drilled in the concrete bottom plate (9) corresponding to the supports and the buttress supports (10), inserting ribs (8) are inserted into the anchoring holes I and are filled with anchoring agents, and the inserting ribs (8) are welded and fixed with the corresponding supports or the buttress supports (10).
4. The underwater bulk concrete pouring formwork apparatus according to claim 1, wherein: and an anchoring hole II is drilled in the original concrete wall (4) corresponding to the counter-pull steel bar (3), one end of the counter-pull steel bar (3) is inserted into the anchoring hole II and is fixed by an anchoring agent poured into the anchoring hole II, and the other end of the counter-pull steel bar (3) is welded and fixed with the bracket.
5. The underwater bulk concrete pouring formwork apparatus according to claim 1, wherein: the template (1) is fixedly connected with the template (1) through bolts and nuts (11); the template (1) is fixedly connected with the original concrete wall (4) through expansion bolts (12).
6. The underwater bulk concrete pouring formwork apparatus according to claim 1 or 5, wherein: and rubber pads (13) are arranged at the splicing positions between the template (1) and between the template (1) and the original concrete wall (4).
7. The underwater bulk concrete pouring formwork apparatus according to claim 1, wherein: the bracket adopts a bailey bracket (2).
8. The underwater large-volume concrete pouring formwork apparatus according to claim 7, wherein: the Bailey frames (2) are formed by splicing a plurality of Bailey sheets (2-1) through bolts and transverse supporting rods (2-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920644157.6U CN210341934U (en) | 2019-05-07 | 2019-05-07 | Underwater large-volume concrete pouring formwork erecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920644157.6U CN210341934U (en) | 2019-05-07 | 2019-05-07 | Underwater large-volume concrete pouring formwork erecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210341934U true CN210341934U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920644157.6U Active CN210341934U (en) | 2019-05-07 | 2019-05-07 | Underwater large-volume concrete pouring formwork erecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210341934U (en) |
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2019
- 2019-05-07 CN CN201920644157.6U patent/CN210341934U/en active Active
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