CN114109034A - Ultra-deep variable cross-section reserved hole forming template, manufacturing method and hole construction method - Google Patents
Ultra-deep variable cross-section reserved hole forming template, manufacturing method and hole construction method Download PDFInfo
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- CN114109034A CN114109034A CN202111407598.2A CN202111407598A CN114109034A CN 114109034 A CN114109034 A CN 114109034A CN 202111407598 A CN202111407598 A CN 202111407598A CN 114109034 A CN114109034 A CN 114109034A
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- 238000010276 construction Methods 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 230000002787 reinforcement Effects 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000000465 moulding Methods 0.000 claims abstract description 9
- 238000010079 rubber tapping Methods 0.000 claims abstract description 9
- 239000003566 sealing material Substances 0.000 claims abstract description 4
- 239000004567 concrete Substances 0.000 claims description 19
- 238000003466 welding Methods 0.000 claims description 18
- 239000002390 adhesive tape Substances 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims 1
- 239000011150 reinforced concrete Substances 0.000 abstract description 3
- 206010039509 Scab Diseases 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
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Abstract
The invention discloses a variable cross-section template for molding an ultra-deep variable cross-section reserved hole, a manufacturing method and a construction method, wherein the template comprises a plurality of sections of corrugated pipes with different diameters and an outer steel bar framework which are sequentially connected; wherein, the joint of two adjacent sections of corrugated pipes is fixed by self-tapping screws and is sealed by sealing materials; the pipe orifice of the corrugated pipe at the uppermost end and the pipe orifice of the corrugated pipe at the lowermost end are sealed by adopting a sealing structure; the outer steel reinforcement framework is used for fixing the corrugated pipe assembly. The method can solve the problems that after the reinforced concrete structures such as the equipment foundation, the cup foundation and the like are poured, the template cannot be detached, and the inner wall of the hole is difficult to scab. Compared with the traditional reserved hole internal mold, the method can save the manual work of supporting the mold, accelerate the progress and avoid the need of dismantling the corrugated pipe. Has wide application prospect.
Description
Technical Field
The invention belongs to the field of building concrete construction, and particularly relates to a variable cross-section template for forming an ultra-deep variable cross-section reserved hole, a manufacturing method and a hole construction method.
Background
The sectional size of a reserved hole designed on the basis of the existing large-scale fan equipment is 300-500 mm; holes are reserved on the cup mouth foundation, and the section size is 500-800 mm; and the reserved holes are deeper, and the deepest depth reaches 2000 mm. The design requires that the surface of the concrete after molding needs to be roughened. In general, the formation of the reserved holes adopts the construction of embedding a mortar box, embedding a corrugated pipe, embedding a steel pipe, embedding a PHC pipe or a formwork, and the like, and the formation construction methods of the reserved holes all have their own defects, such as: the inner surface of the concrete after the reserved hole is formed cannot be roughened, the verticality of the formed reserved hole cannot be guaranteed, the mold is difficult to remove, a large amount of manpower is required, and the construction cost is overlarge; the defects can cause that equipment, prefabricated parts, steel components and the like cannot be installed, great economic loss can be brought, and the construction progress is influenced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the variable cross-section template for forming the ultra-deep variable cross-section reserved hole and the manufacturing method thereof solve the problem that the verticality of the variable cross-section reserved hole in the prior art is not easy to guarantee.
The invention adopts the following technical scheme for solving the technical problems:
the variable cross-section template for molding the ultra-deep variable cross-section reserved hole comprises a plurality of sections of corrugated pipes with different diameters and an outer reinforcement framework which are sequentially connected; wherein, the joint of two adjacent sections of corrugated pipes is fixed by self-tapping screws and is sealed by sealing materials; the pipe orifice of the corrugated pipe at the uppermost end and the pipe orifice of the corrugated pipe at the lowermost end are sealed by adopting a sealing structure; the outer steel reinforcement framework is used for fixing the corrugated pipe assembly.
The pipe orifices of the two sections of corrugated pipes and the uppermost corrugated pipe are sealed by adhesive tapes; and the pipe orifice of the lowest corrugated pipe is welded and sealed by adopting a steel plate.
The outer steel reinforcement framework comprises a vertical rod and a horizontal rod, and the vertical rod and the horizontal rod are connected in a welding mode to form an external protection device of the corrugated pipe assembly.
The vertical rods are made of 4 phi 16 deformed steel bars, and the horizontal rods are made of phi 8@400 round steel bars.
The outer reinforcement framework is connected with the corrugated pipe through spot welding.
The manufacturing method of the ultra-deep variable cross-section reserved hole forming template comprises the following steps:
and 4, welding the vertical rods and the horizontal rods around the corrugated pipe assembly to form a quadrilateral frame structure, and fixing the corrugated pipe assembly on the quadrilateral frame structure to form the ultra-deep variable cross-section reserved hole forming template.
The distance between the upper end pipe orifice of the corrugated pipe component and the surface of the preset concrete chart is at least 80 mm.
In order to further solve the problem of high construction difficulty of the ultra-deep variable cross-section reserved hole, the invention also provides a construction method for forming the ultra-deep variable cross-section reserved hole, and the specific technical scheme is as follows:
the construction method for forming the ultra-deep variable cross-section reserved hole comprises the following steps:
a, positioning and fixing a reserved hole bottom plate, positioning the position of a reserved hole bottom opening by using a measuring instrument according to a design drawing, arranging a positioning frame at the position of the bottom opening, and marking the center line of the hole;
b, installing a variable cross-section template, installing the ultra-deep variable cross-section reserved hole forming template assembled in advance at the position of the center line of the reserved hole, adjusting the center line of the template to be superposed with the center line of the reserved hole, and then welding and fixing;
c, pouring concrete, namely pouring the concrete outside the corrugated pipe of the template until the set concrete height is reached, and finishing pouring;
and d, finishing construction after the concrete reaches the curing condition.
The corrugated pipe of the variable cross-section template comprises two sections, wherein the diameter of the upper part is smaller than that of the lower part.
The bottom opening position locating frame is formed by welding three phi 18 steel bars in the longitudinal direction and the transverse direction.
Compared with the prior art, the invention has the following beneficial effects:
1. the template for forming the ultra-deep variable cross-section reserved hole and the construction method can solve the problems that the template cannot be detached after the pouring of reinforced concrete structures such as an equipment foundation and a cup foundation is finished, and the inner wall of the hole is difficult to scab. Compared with the traditional reserved hole internal mold, the method can save the manual work of supporting the mold, accelerate the progress and avoid the need of dismantling the corrugated pipe. Has wide application prospect.
2. Compared with the traditional method for manufacturing the wood template, the method for forming the ultra-deep variable cross-section reserved hole of the reinforced concrete structure has the advantages of saving a large amount of time, improving the hole forming efficiency, being simple and convenient to construct and being convenient to popularize in a large range.
3. The fan foundation and the cup mouth foundation can be formed by the method, and the field application is very wide.
Drawings
FIG. 1 is a schematic view of a bellows structure of the variable cross-section pre-hole template of the present invention.
Fig. 2 is a schematic structural view of an external reinforcement frame of the cross-section pre-hole template of the invention.
Wherein, the labels in the figure are: 1-upper end bellows; 2-lower end bellows; 3-interface sealing structure; 4-a steel plate; 5-an upper port; 6-horizontal rod; 7-vertical bar.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical problem to be solved by the scheme is to provide a deeper variable cross-section reserved hole forming construction method, and on the premise of ensuring the reserved hole forming construction quality, the purposes of simple structure, convenience in manufacturing and cost reduction are met.
The variable cross-section template for molding the ultra-deep variable cross-section reserved hole comprises a plurality of sections of corrugated pipes with different diameters and an outer reinforcement framework which are sequentially connected; wherein, the joint of two adjacent sections of corrugated pipes is fixed by self-tapping screws and is sealed by sealing materials; the pipe orifice of the corrugated pipe at the uppermost end and the pipe orifice of the corrugated pipe at the lowermost end are sealed by adopting a sealing structure; the outer steel reinforcement framework is used for fixing the corrugated pipe assembly.
Specific embodiment, as shown in figures 1 and 2,
the variable cross-section template for molding the ultra-deep variable cross-section reserved hole comprises two sections of corrugated pipes with different diameters and an outer reinforcement framework which are sequentially connected; the two sections of corrugated pipes are respectively an upper end corrugated pipe 1 and a lower end corrugated pipe 2, the joints of the upper and lower end corrugated pipes are fixed by self-tapping screws, and are sealed by a connector sealing structure 3; the upper port 5 of the upper end corrugated pipe 1 is sealed by an adhesive tape; the pipe orifice of the lower end corrugated pipe 2 is welded and sealed by a steel plate 4.
The outer steel reinforcement framework comprises a vertical rod 7 and a horizontal rod 6, wherein the vertical rod 7 and the horizontal rod 6 are connected in a welding mode to form an external protection device of the corrugated pipe assembly.
The vertical rods 7 are made of 4 phi 16 deformed steel bars, and the horizontal rods 6 are made of phi 8@400 round steel bars.
The outer reinforcement framework is connected with the corrugated pipe through spot welding.
The manufacturing method of the ultra-deep variable cross-section reserved hole forming template is characterized in that a variable cross-section corrugated pipe and an outer reinforcement framework (used for increasing the rigidity of the template) are manufactured according to the size of the designed reserved hole cross section. The variable cross-section corrugated pipe is formed by sleeving two corrugated pipes with different outer diameters, the sleeving part is fixed by a self-tapping screw, and the hole is sealed by an adhesive tape; the bottom opening is welded and sealed by a steel plate with the diameter delta equal to 3 mm; the outer steel bar framework comprises outer steel bar framework vertical rods and horizontal rods, the vertical rod framework is made of 4 phi 16 deformed steel bars, and the horizontal rods are made of phi 8@400 round steel. The frame and the bellows are assembled to form an integral component. The method specifically comprises the following steps:
and 4, welding the vertical rods and the horizontal rods around the corrugated pipe assembly to form a quadrilateral frame structure, and fixing the corrugated pipe assembly on the quadrilateral frame structure to form the ultra-deep variable cross-section reserved hole forming template.
The distance between the upper end pipe orifice of the corrugated pipe component and the preset concrete chart surface is at least 80mm, and the optimal size is 100mm, so that concrete is prevented from being poured in the pouring process.
In order to further solve the problem of high construction difficulty of the ultra-deep variable cross-section reserved hole, the invention also provides a construction method for forming the ultra-deep variable cross-section reserved hole, and the specific technical scheme is as follows:
the construction method for forming the ultra-deep variable cross-section reserved hole comprises the following steps:
a, positioning and fixing a reserved hole bottom plate, positioning the position of a reserved hole bottom opening by using a measuring instrument according to a design drawing, arranging a positioning frame at the position of the bottom opening, wherein the positioning frame is formed by welding three phi 18 steel bars in the longitudinal direction and the transverse direction, and marking the center line of the hole;
b, installing a variable cross-section template, installing the ultra-deep variable cross-section reserved hole forming template assembled in advance at the position of the center line of the reserved hole, adjusting the center line of the template to be superposed with the center line of the reserved hole, and then welding and fixing;
c, pouring concrete, namely pouring the concrete outside the corrugated pipe of the template until the set concrete height is reached, and finishing pouring;
and d, finishing construction after the concrete reaches the curing condition.
The implementation of the scheme has the following advantages:
1. the device is simple and convenient to process, and can be made of conventional materials;
2. after the method is used, the forming of the variable cross-section ultra-deep reserved hole is obviously improved;
3. a large amount of time can be saved, and the construction efficiency is improved;
4. can reduce a large amount of construction cost and improve the benefit.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described herein in detail. Such variations do not affect the essence of the present invention and are not described herein.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments to equivalent variations, without departing from the spirit of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the protection scope of the technical solution of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (10)
1. A variable cross section template for shaping of super dark variable cross section reservation hole, its characterized in that: comprises a plurality of sections of corrugated pipes with different diameters and an outer reinforcement framework which are connected in sequence; wherein, the joint of two adjacent sections of corrugated pipes is fixed by self-tapping screws and is sealed by sealing materials; the pipe orifice of the corrugated pipe at the uppermost end and the pipe orifice of the corrugated pipe at the lowermost end are sealed by adopting a sealing structure; the outer steel reinforcement framework is used for fixing the corrugated pipe assembly.
2. The variable cross-section template for molding the ultra-deep variable cross-section reserved hole according to claim 1, wherein: the pipe orifices of the two sections of corrugated pipes and the uppermost corrugated pipe are sealed by adhesive tapes; and the pipe orifice of the lowest corrugated pipe is welded and sealed by adopting a steel plate.
3. The variable cross-section template for molding the ultra-deep variable cross-section reserved hole according to claim 1, wherein: the outer steel reinforcement framework comprises a vertical rod and a horizontal rod, and the vertical rod and the horizontal rod are connected in a welding mode to form an external protection device of the corrugated pipe assembly.
4. The variable cross-section template for molding the ultra-deep variable cross-section reserved hole according to claim 3, wherein: the vertical rods are made of 4 phi 16 deformed steel bars, and the horizontal rods are made of phi 8@400 round steel bars.
5. The variable cross-section template for molding the ultra-deep variable cross-section reserved hole according to claim 1, wherein: the outer reinforcement framework is connected with the corrugated pipe through spot welding.
6. The manufacturing method of the ultra-deep variable cross-section reserved hole forming template is characterized by comprising the following steps of: the method comprises the following steps:
step 1, preparing vertical rods and horizontal rods of corrugated pipes and external steel reinforcement frameworks with different diameters according to a design drawing;
step 2, cutting off two ends of the corrugated pipe, penetrating the lower end of the small-caliber corrugated pipe into the upper end of the large-caliber corrugated pipe to a certain depth, and fixing the two corrugated pipes by using tapping screws; sealing the interface with adhesive tape to form a corrugated pipe assembly;
step 3, sealing the pipe orifice at the uppermost end of the corrugated pipe assembly by using an adhesive tape, and welding and sealing the pipe orifice at the lowermost end by using a steel plate;
and 4, welding the vertical rods and the horizontal rods around the corrugated pipe assembly to form a quadrilateral frame structure, and fixing the corrugated pipe assembly on the quadrilateral frame structure to form the ultra-deep variable cross-section reserved hole forming template.
7. The manufacturing method of the ultra-deep variable cross-section preformed hole forming template as claimed in claim 6, wherein the manufacturing method comprises the following steps: the distance between the upper end pipe orifice of the corrugated pipe component and the surface of the preset concrete chart is at least 80 mm.
8. The construction method for forming the ultra-deep variable cross-section reserved hole is characterized by comprising the following steps of: the method comprises the following steps:
a, positioning and fixing a reserved hole bottom plate, positioning the position of a reserved hole bottom opening by using a measuring instrument according to a design drawing, arranging a positioning frame at the position of the bottom opening, and marking the center line of the hole;
b, installing a variable cross-section template, installing the ultra-deep variable cross-section reserved hole forming template assembled in advance at the position of the center line of the reserved hole, adjusting the center line of the template to be superposed with the center line of the reserved hole, and then welding and fixing;
c, pouring concrete, namely pouring the concrete outside the corrugated pipe of the template until the set concrete height is reached, and finishing pouring;
and d, finishing construction after the concrete reaches the curing condition.
9. The construction method for forming the ultra-deep variable cross-section reserved hole according to claim 8, characterized in that: the corrugated pipe of the variable cross-section template comprises two sections, wherein the diameter of the upper part is smaller than that of the lower part.
10. The construction method for forming the ultra-deep variable cross-section reserved hole according to claim 8, characterized in that: the bottom opening position locating frame is formed by welding three phi 18 steel bars in the longitudinal direction and the transverse direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111407598.2A CN114109034A (en) | 2021-11-24 | 2021-11-24 | Ultra-deep variable cross-section reserved hole forming template, manufacturing method and hole construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111407598.2A CN114109034A (en) | 2021-11-24 | 2021-11-24 | Ultra-deep variable cross-section reserved hole forming template, manufacturing method and hole construction method |
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| CN114109034A true CN114109034A (en) | 2022-03-01 |
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| CN202111407598.2A Pending CN114109034A (en) | 2021-11-24 | 2021-11-24 | Ultra-deep variable cross-section reserved hole forming template, manufacturing method and hole construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635510A (en) * | 2022-04-07 | 2022-06-17 | 广东景龙建设集团有限公司 | Building structure construction method, method for embedding embedded part and wall module |
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2021
- 2021-11-24 CN CN202111407598.2A patent/CN114109034A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635510A (en) * | 2022-04-07 | 2022-06-17 | 广东景龙建设集团有限公司 | Building structure construction method, method for embedding embedded part and wall module |
| CN114635510B (en) * | 2022-04-07 | 2024-03-15 | 广东景龙建设集团有限公司 | Building structure construction method, embedded part embedding method and wall module |
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