CN209924989U - Rapid formwork system for concrete ring frame beam of ultra-deep shaft - Google Patents
Rapid formwork system for concrete ring frame beam of ultra-deep shaft Download PDFInfo
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- CN209924989U CN209924989U CN201920544392.6U CN201920544392U CN209924989U CN 209924989 U CN209924989 U CN 209924989U CN 201920544392 U CN201920544392 U CN 201920544392U CN 209924989 U CN209924989 U CN 209924989U
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Abstract
The utility model discloses a quick formwork system of super dark shaft concrete ring frame roof beam, including plank sheathing, double pin steel pipe, horizontal support steel pipe and shaped steel support, the shaped steel support is assembled by channel-section steel or I-steel's shaped steel and is formed, and the outward flange welding has hollow steel pipe B, and the welding of top has the wire net piece, the plank sheathing is vertical state, and one side is hugged closely in ring frame roof beam steel bar protection cushion department, and double pin steel pipe is installed to the opposite side, the horizontal support steel pipe includes scalable U type collet and hollow steel pipe A, and both adopt the screw thread to connect, and in hollow steel pipe A inserted the hollow steel pipe B of shaped steel support, scalable U type collet lock was pieced together on the steel pipe at double pin, closes length through adjusting revolving between them, makes the plank sheathing fix on ring frame. The utility model discloses a construction method process simple, the structural mounting dismantlement of involving is convenient, can show improvement efficiency of construction, realizes the quick unilateral formwork of shaft ring frame roof beam, and the concrete ring frame roof beam appearance quality of pouring is good.
Description
Technical Field
The utility model belongs to the technical field of shaft concrete ring frame roof beam construction, concretely relates to quick formwork system of ultra-deep shaft concrete ring frame roof beam.
Background
In the construction of the concrete ring frame beam of the vertical shaft, because the ring frame beam template is mainly erected by a single-side formwork, the construction can not be carried out according to the traditional double-side formwork supporting mode, and the methods mainly adopted in the traditional single-side formwork supporting construction include a counter-pulling screw rod method and a full scaffold counter-supporting method.
When the split screw construction method is adopted, a plurality of processes such as chiseling of concrete on the surface layer of the enclosure structure, punching of a template, construction of a buried steel bar foundation, welding and erection of a steel pipe diagonal bracing system and the like are involved, the process is very complicated, the engineering quantity is large, the number of turnover materials is large, the formwork supporting speed is low, the buried steel bar foundation is large in quantity, the quality is greatly influenced by manual operation, all foundations are difficult to guarantee to be firm, therefore, the template deformation occurs, quality defects such as formwork running and expansion occur, and the engineering progress and quality cannot meet the requirements.
When the full framing scaffold is adopted, the workload of erecting and dismantling the framing scaffold is large, the hoisting times are many, and the rods are all connected by fasteners, so that all the nodes are difficult to be fastened tightly, and the problems that the formwork supporting speed is low, the formwork deformation is easy to occur, the quality defect occurs, and the engineering progress and the quality cannot meet the requirements are solved. Particularly, in the construction of an ultra-deep shaft, the number of layers of the ring frame beam is large, the conventional construction method is inconvenient to use, and a high-efficiency and high-quality ring frame beam construction method is urgently needed.
Disclosure of Invention
In order to overcome among the prior art traditional shaft ring frame roof beam unilateral formwork construction efficiency not high, quality technical defect such as not up to standard, the utility model provides a quick formwork system of super dark shaft concrete ring frame roof beam supports system planar dimension and shape according to shaft concrete ring frame roof beam, and processing monoblock or sectional type shaped steel support deuterogamy takes the concrete of building after scalable U type collet's horizontal support steel pipe carries out quick unilateral formwork, has solved above-mentioned technical problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose, a quick formwork system of ultra-deep shaft concrete ring frame roof beam, including plank sheathing, double pin steel pipe, horizontal support steel pipe, shaped steel support and ring frame roof beam, the shaped steel support is assembled by the shaped steel of channel-section steel or I-steel and is formed, and the outward flange has hollow steel pipe B according to certain interval welding, and the top welding has the wire net piece, the plank sheathing is vertical state, and one side is hugged closely in ring frame roof beam steel bar protection layer cushion department, and double pin steel pipe is installed to the opposite side, the horizontal support steel pipe includes scalable U type collet and hollow steel pipe A, and both adopt the screw thread to connect, hollow steel pipe A inserts in the hollow steel pipe B of shaped steel support, scalable U type collet lock is on double pin steel pipe, through adjusting scalable U type collet, makes the plank sheathing fix on ring frame roof beam.
The wood formwork comprises wood ridges and a bamboo plywood, the wood ridges and the bamboo plywood are identical in height and are connected and fixed by screws, and the height dimension of the wood formwork is 200-300 mm larger than that of the ring frame beam.
According to the rapid formwork system for the concrete ring frame beam of the ultra-deep vertical shaft, the length of the hollow steel pipe A is 800mm-1200mm, the hollow steel pipe A can be adjusted within the length range of 100mm-400mm after being screwed with the telescopic U-shaped bottom support, the outer diameter size of the hollow steel pipe A is smaller than the inner diameter size of the hollow steel pipe B, and the hollow steel pipe B can be embedded and sleeved with the hollow steel pipe A.
According to the rapid formwork system for the concrete ring frame beam of the ultra-deep shaft, the length of the hollow steel pipe B welded on the outer edge of the section steel support is 200mm, and the welding distance between adjacent hollow steel pipes B is 500mm-800 mm.
According to the rapid formwork system for the concrete ring frame beam of the ultra-deep vertical shaft, the vertical distance between the profile steel supports is 500mm-800mm, the number of the assembled layers is determined according to the height size of the ring frame beam, and the distance between the outer edge and the side line of the adjacent ring frame beam is controlled to be 1000mm-1500 mm.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can reach following beneficial effect:
1. the utility model discloses a quick formwork system of ultra-deep shaft concrete ring frame roof beam, the template support system is formed promptly to the horizontal support steel pipe that shaped steel support cooperation was inserted and is taken scalable U type base frame after hoisting through hoisting equipment, has reduced welding, overlap joint and hoist and mount work load in traditional construction method greatly, and installation and dismantlement are convenient, and the formwork is fast;
2. the utility model has good structural stability, large rigidity of the template support system, good overall and local stability of the structure, full utilization of the bracing force, and good construction quality and ensures the stability of the template in the process of pouring the shaft ring frame beam;
3. shaped steel support can confirm its structural style according to shaft concrete ring frame roof beam support system plane dimension and shape, both can select whole preparation, also can select the piecemeal to assemble, all kinds of cross-sections shaft ring frame roof beams can all be suitable for, and shaped steel support can use with the combination of different series's such as multiply wood, bamboo offset plate, design steel mould template, not limit to with bamboo offset plate and the stupefied template combination of wood, strong to the suitability of operating mode.
Drawings
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of the construction process of the present invention;
fig. 2 is a schematic structural view of the ultra-deep shaft concrete ring frame beam rapid supporting die system of the present invention when implemented in a rectangular shaft;
fig. 3 is a schematic structural view of the wood formwork of the present invention;
FIG. 4 is a schematic structural view of the horizontal support steel pipe of the present invention;
FIG. 5 is a schematic view of the structural configuration of the profile steel support when the present invention is implemented in a rectangular shaft;
FIG. 6 is a schematic view of the structural configuration of the steel support when the present invention is implemented in a circular shaft;
FIG. 7 is a schematic view of a formwork support using a monolithic steel support, as practiced in a narrow rectangular shaft having a small clearance dimension in the ring frame beam;
FIG. 8 is a schematic view of a formwork support using a sectional type steel support when the present invention is implemented in a circular shaft having a large clearance dimension in a ring frame beam;
FIG. 9 is a schematic view of a formwork support using a sectional type steel support when the present invention is implemented in a square shaft with a large clearance size in a ring frame beam;
in the figure: 1-wood formwork, 2-double-spliced steel pipe, 3-horizontal supporting steel pipe, 4-section steel support, 5-ring frame beam, 6-vertical shaft enclosure structure, 11-wood ridge, 12-bamboo plywood, 31-telescopic U-shaped bottom support, 32-hollow steel pipe A, 41-section steel, 42-steel wire mesh sheet and 43-hollow steel pipe B.
Detailed Description
As shown in figure 1, the construction process schematic diagram of the ultra-deep shaft concrete ring frame beam rapid formwork system of the utility model is shown in figure 2, which is a structural schematic diagram of the ultra-deep shaft concrete ring frame beam rapid formwork system when the ultra-deep shaft concrete ring frame beam rapid formwork system is implemented in a rectangular shaft, the ultra-deep shaft concrete ring frame beam rapid formwork system comprises a wood formwork 1, double-spliced steel pipes 2, horizontal supporting steel pipes 3, a profile steel bracket 4 and a ring frame beam 5, the profile steel bracket 4 is spliced by profile steel 41 of channel steel or I-steel, a hollow steel pipe B43 is welded on the outer edge according to a certain interval, a steel wire mesh 42 is welded on the top, the wood formwork 1 is in a vertical state, one side is tightly attached to a steel bar protective layer cushion block of the ring frame beam 5, the double-spliced steel pipes 2 are installed on the other side, the horizontal supporting steel pipes 3 comprises a telescopic U-shaped bottom support 31 and a hollow steel pipe A32 which are connected, the telescopic U-shaped bottom support 31 is buckled on the double-spliced steel pipe 2, and the wood formwork 1 is fixed on the ring frame beam 5 by adjusting the telescopic U-shaped bottom support 31.
As shown in FIG. 3, for the structural schematic diagram of the wooden formwork 1 of the present invention, the wooden formwork 1 includes wood, 11 and bamboo plywood 12, the heights of the wood and the bamboo plywood are consistent, the wood and the bamboo are connected and fixed by screws, and the height of the wooden formwork 1 is 200mm-300mm larger than that of the ring frame beam 5.
As shown in FIG. 4, for the structural schematic diagram of the horizontal support steel tube 3 of the present invention, the length of the hollow steel tube A32 is 800mm-1200mm, and after being screwed with the retractable U-shaped bottom bracket 31, the length of the hollow steel tube A32 can be adjusted within the length range of 100mm-400mm, and the outer diameter of the hollow steel tube A is smaller than the inner diameter of the hollow steel tube B43, and the hollow steel tube B43 can be nested inside the hollow steel tube A.
The length of 4 outward flange welding hollow steel pipes B43 of shaped steel support is 200mm, and the welding interval of adjacent hollow steel pipe B43 is 500mm-800mm, and the vertical spacing of adjacent shaped steel support 4 is 500mm-800mm, assembles the number of piles according to the height dimension decision of ring frame roof beam 5, and the size control of the 5 sidelines of adjacent ring frame roof beam 5 of outside edge distance is 1000mm-1500mm, as shown in figure 5 and figure 6, for the utility model discloses when carrying out the implementation in rectangle or circular shaft, shaped steel support 4's structural schematic.
The utility model discloses using, mainly accomplishing the work progress of ultra-deep shaft ring frame roof beam concrete through following use step:
the method comprises the following steps: according to the characteristics of the plane shape and the inner diameter size of the ring frame beam 5 of the vertical shaft and the height size of the ring frame beam 5, the sectional steel 41 of channel steel or I-steel is adopted to process the single-block or segmented section steel bracket 4, the geometric dimension of the single-block section steel bracket 4 or the assembled integral section steel bracket 4 is smaller than the inner diameter size of the ring frame beam by 1000mm-1500mm, and as shown in figures 7-9, the form supporting schematic diagram of the section steel bracket 4 is shown under different ring frame beam inner clearance sizes and different vertical shaft shapes;
step two: according to the checking calculation of the template stability, welding hollow steel pipes B43 on the outer edge of the single-block type steel support 4 or the assembled whole-block type steel support 4 according to the distribution interval of 500mm-800mm, and welding a steel wire mesh 42 on the top of the steel support 4;
step three: after the binding of the steel bars of the shaft ring frame beam 5 is finished and a formwork supporting process is performed, hoisting the section steel support 4 to the center position of the ring frame beam 5, and when the sectional type steel support 4 is adopted, hoisting the section steel support to the shaft in a partitioning manner and splicing and assembling the section steel support and the shaft by using bolts or bolts;
step four: selecting a bamboo plywood 12 with a proper size and nailing the bamboo edges 11 to manufacture a wood template 1 with the same specification, wherein one side of the wood template is tightly attached to a cushion block of a steel bar protection layer of the ring frame beam 5, and the other side of the wood template is provided with a double-spliced steel pipe 2 for constraint;
step five: inserting the hollow steel pipe A32 of the horizontal support steel pipe 3 into the hollow steel pipe B43 welded at the outer edge of the section steel bracket 4, buckling and connecting the telescopic U-shaped bottom bracket 31 with the double-spliced steel pipe 2, adjusting the screwing length of the telescopic U-shaped bottom bracket 31 and the hollow steel pipe A32, and fixing the wood formwork 1 on the ring frame beam 5;
step six: pouring concrete between the wood formwork 1 of the ring frame beam 5 and the shaft enclosure structure 6;
step seven: after the concrete of the ring frame beam 5 reaches the form removal strength, sequentially removing the horizontal support steel pipe 3, the double-spliced steel pipe 2 and the wood formwork 1, and hanging out the steel bracket 4;
step eight: and when the ultra-deep shaft enters the formwork erecting process of the next layer of ring frame beam 5, hoisting the section steel support 4 again to go into the shaft, and performing quick single-side formwork erecting construction on the ring frame beam 5.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (5)
1. The utility model provides a quick formwork system of ultra-deep shaft concrete ring frame roof beam, includes plank sheathing (1), double-pin steel pipe (2), horizontal brace steel pipe (3), shaped steel support (4), ring frame roof beam (5) and shaft envelope (6), its characterized in that: section steel support (4) are assembled by shaped steel (41) of channel-section steel or I-steel and are formed, and the outward flange has hollow steel pipe B (43) according to certain interval welding, and the top welding has wire net piece (42), plank sheathing (1) is vertical state, and one side is hugged closely in ring frame roof beam (5) steel bar protection layer cushion department, and double pin steel pipe (2) are installed to the opposite side, horizontal support steel pipe (3) are including scalable U type collet (31) and hollow steel pipe A (32), and both adopt the screw thread to connect, hollow steel pipe A (32) insert in hollow steel pipe B (43) of section steel support (4), scalable U type collet (31) lock is on double pin steel pipe (2), through adjusting scalable U type collet (31), makes plank sheathing (1) fix on ring frame roof beam (5).
2. The ultra-deep vertical shaft concrete ring frame beam rapid formwork system according to claim 1, is characterized in that: the wooden template (1) comprises wooden ridges (11) and a bamboo plywood (12), the wooden ridges and the bamboo plywood are connected through screws, and the height dimension of the wooden template (1) is 200-300 mm larger than that of the ring frame beam (5).
3. The ultra-deep vertical shaft concrete ring frame beam rapid formwork system according to claim 1, is characterized in that: the length of the hollow steel pipe A (32) is 800mm-1200mm, the hollow steel pipe A can be adjusted within the length range of 100mm-400mm after being screwed with the telescopic U-shaped bottom support (31), the outer diameter size of the hollow steel pipe A is smaller than that of the hollow steel pipe B (43), and the hollow steel pipe A can be embedded in the hollow steel pipe B (43).
4. The ultra-deep vertical shaft concrete ring frame beam rapid formwork system according to claim 1, is characterized in that: the length of the hollow steel tube B (43) welded on the outer edge of the section steel support (4) is 200mm, and the welding distance between adjacent hollow steel tubes B (43) is 500mm-800 mm.
5. The ultra-deep vertical shaft concrete ring frame beam rapid formwork system according to claim 4, is characterized in that: the vertical distance between the profile steel supports (4) is 500mm-800mm, the number of the assembled layers is determined according to the height of the ring frame beams (5), and the distance between the outer edge of each ring frame beam and the side line of the adjacent ring frame beam (5) is controlled to be 1000mm-1500 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920544392.6U CN209924989U (en) | 2019-04-22 | 2019-04-22 | Rapid formwork system for concrete ring frame beam of ultra-deep shaft |
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| CN201920544392.6U CN209924989U (en) | 2019-04-22 | 2019-04-22 | Rapid formwork system for concrete ring frame beam of ultra-deep shaft |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017141A (en) * | 2019-04-22 | 2019-07-16 | 中建三局基础设施建设投资有限公司 | A kind of ultra-deep shaft concrete ring grid beam quick template supporting system and its construction method |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017141A (en) * | 2019-04-22 | 2019-07-16 | 中建三局基础设施建设投资有限公司 | A kind of ultra-deep shaft concrete ring grid beam quick template supporting system and its construction method |
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