CN212742603U - Combined prefabricated concrete strip foundation applied to beam column type cast-in-situ beam support - Google Patents
Combined prefabricated concrete strip foundation applied to beam column type cast-in-situ beam support Download PDFInfo
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- CN212742603U CN212742603U CN202020910515.6U CN202020910515U CN212742603U CN 212742603 U CN212742603 U CN 212742603U CN 202020910515 U CN202020910515 U CN 202020910515U CN 212742603 U CN212742603 U CN 212742603U
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Abstract
The utility model relates to a be applied to prefabricated concrete strip base of combination of cast-in-place beam brace of beam column formula, including at least three prefabricated concrete pieces, a plurality of PVC pipe, a plurality of nut, a plurality of prestressing force pull rod, its characterized in that: each prefabricated concrete block is provided with a tenon or a mortise, the adjacent prefabricated concrete blocks are integrated into a whole through tenon or mortise, a PVC pipe is pre-embedded in the corresponding position of each prefabricated concrete block, and each prestressed pull rod is inserted into the pre-embedded PVC pipe and locked by a nut, so that all the prefabricated concrete blocks are fixedly connected into a whole. The utility model can be repeatedly used, and can save a large amount of cost; in construction, the combined precast concrete strip foundation only needs to be combined, so that a series of complicated processes of the traditional strip foundation are omitted, the construction efficiency is greatly improved, and the construction progress is accelerated; the cast-in-place beam prepressing material can be used as universal oil for construction sites.
Description
Technical Field
The utility model is suitable for a bridge beam supports construction field provides a prefabricated concrete strip base of combination of cast-in-place beam supports of brand-new beam column formula.
Background
In the construction process of a strip foundation suitable for a beam-column type cast-in-place beam support, workers are required to bind reinforcing steel bars one by one, the steel templates on the outer side of the strip foundation are lifted one by one to form a whole, and after concrete is poured and the strength reaches the condition, the steel templates are required to be disassembled, and the steel templates are separated one by one. This operation process is loaded down with trivial details unusually, wastes time and energy, and when the site operation, probably because of reasons such as many places are under construction simultaneously, the template can't have enough to meet the need in time, receives the influence of steel form turnover, can make the total work efficiency of whole work progress reduce and consume a large amount of time.
Disclosure of Invention
The utility model aims at improving the efficiency of on-site construction and saving cost for construction units, and provides a combined prefabricated concrete strip foundation applied to a beam column type cast-in-situ beam support. The utility model discloses a prefabricated concrete strip base of combination can replace traditional strip base, solves outside steel formwork installation and demolishs the problem of the inconvenient and consuming time power of installation in the engineering in the work progress to prefabricated concrete strip base repeatedly usable of combination has solved just abandonment problem after traditional concrete strip base used once. The utility model discloses the operation process is convenient, high-efficient, energy-conserving, can greatly accelerate construction progress and efficiency of construction.
The utility model adopts the technical proposal that:
the utility model provides a be applied to combination precast concrete strip base of beam column type cast-in-place beam support, includes three piece at least precast concrete pieces, a plurality of PVC pipe, a plurality of nut, a plurality of prestressing force pull rod, its characterized in that: each prefabricated concrete block is provided with a tenon or a mortise, the adjacent prefabricated concrete blocks are integrated into a whole through tenon or mortise, a PVC pipe is pre-embedded in the corresponding position of each prefabricated concrete block, and each prestressed pull rod is inserted into the pre-embedded PVC pipe and locked by a nut, so that all the prefabricated concrete blocks are fixedly connected into a whole.
The utility model discloses still include a plurality of backing plates, sheathe backing plate respectively at the both ends of every prestressing force pull rod, the backing plate is located between prefabricated concrete block and the nut.
The backing plate is a deformed steel bar tensioning backing plate.
The prestressed pull rod is made of deformed steel.
The surface of the prefabricated concrete block is welded with a hanging ring which is fixed on the inner side of the concrete surface, so that the combination process of the concrete block is not influenced while the crane is used for hoisting.
The precast concrete block consists of C30 concrete and reinforcing bars, the concrete under the strength can completely meet the requirement of bearing capacity, and the tenon or the mortise on the precast concrete block is made of steel.
The PVC pipe is reserved in the concrete block before the precast concrete block is poured, and aims to leave a hole after the precast concrete block is formed so as to conveniently penetrate and insert the prestress pull rod to connect the precast concrete blocks.
The utility model discloses during the use, the crane hangs prefabricated concrete piece to the assigned position after, uses the prestressing force pull rod with each prefabricated concrete piece zonulae occludens to it is fixed with the nut, form the cast-in-place beam support strip base of beam column type. Considering the weight of concrete, every three precast concrete blocks are designed to be a group, and six precast concrete blocks in total can be hoisted by two groups simultaneously, so that the hoisting process of the crane on the precast concrete blocks is improved while the bearing capacity is ensured to be met.
Through the utility model discloses a prefabricated concrete strip base of combination will save hoisting accessory at the steel form in-process of installation and demolition, the time of installation and demolition to prefabricated concrete strip base repeatedly usable of combination has solved the problem that traditional concrete strip base used just abandonment after once. The design greatly improves the construction efficiency, shortens the production period and saves raw materials. The cast-in-place beam prepressing material can be used as universal oil for construction sites.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial enlarged view of the present invention.
Fig. 3 is a schematic view of the prefabricated concrete block provided with a hanging ring.
Reference numerals: 1-precast concrete block, 2-prestressed pull rod, 3-nut and 4-backing plate.
Detailed Description
The invention is further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the utility model discloses a combination precast concrete strip base includes three precast concrete pieces 1, four prestressing force pull rods 2, eight nuts 3, eight screw-thread steel stretch-draw backing plates 4, be equipped with tenon or mortise on every precast concrete piece 1, adjacent precast concrete piece 1 becomes one whole through tenon or mortise-tenon joint, corresponding position department pre-buried has the PVC pipe in every precast concrete piece 1, every prestressing force pull rod 2 inserts in the pre-buried PVC pipe and locks with nut 3, make all precast concrete pieces link firmly into a whole, screw-thread steel stretch-draw backing plate 4 is sheathed respectively at the both ends of every prestressing force pull rod 2, screw-thread steel stretch-draw backing plate 4 is located between precast concrete piece 1 and the nut 3. The prestressed pull rod is made of deformed steel. The precast concrete block is composed of C30 concrete and reinforcing bars, the concrete under the strength can completely meet the bearing capacity requirement, and the tenon or the mortise on the precast concrete block is made of steel, so that the loss during friction of each concrete block is reduced. The PVC pipe is reserved in the concrete block before the precast concrete block is poured, and aims to leave a hole after the precast concrete block is formed so as to conveniently penetrate and insert the prestress pull rod to connect the precast concrete blocks.
As shown in fig. 3, the surface of the precast concrete block 1 is welded with a hanging ring 5, and the hanging ring 5 is fixed on the inner side of the concrete surface, so that the combination process of the concrete block is not influenced while the crane is used for hoisting.
The utility model discloses during the use, the crane hangs prefabricated concrete piece to the assigned position after, uses the prestressing force pull rod with each prefabricated concrete piece zonulae occludens to it is fixed with the nut, form the cast-in-place beam support strip base of beam column type. Considering the weight of concrete, every three precast concrete blocks are designed to be a group, and six precast concrete blocks in total can be hoisted by two groups simultaneously, so that the hoisting process of the crane on the precast concrete blocks is improved while the bearing capacity is ensured to be met. The utility model discloses a prefabricated concrete strip base of combination can replace traditional strip base, solves outside steel formwork installation and demolishs the problem of the inconvenient and consuming time power of installation in the engineering in the work progress to prefabricated concrete strip base repeatedly usable of combination has solved just abandonment problem after traditional concrete strip base used once.
Claims (6)
1. The utility model provides a be applied to combination precast concrete strip base of beam column type cast-in-place beam support, includes three piece at least precast concrete pieces, a plurality of PVC pipe, a plurality of nut, a plurality of prestressing force pull rod, its characterized in that: each prefabricated concrete block is provided with a tenon or a mortise, the adjacent prefabricated concrete blocks are integrated into a whole through tenon or mortise, a PVC pipe is pre-embedded in the corresponding position of each prefabricated concrete block, and each prestressed pull rod is inserted into the pre-embedded PVC pipe and locked by a nut, so that all the prefabricated concrete blocks are fixedly connected into a whole.
2. The combined precast concrete strip foundation applied to the beam-column type cast-in-place beam support as claimed in claim 1, wherein: the concrete pre-fabricated device is characterized by further comprising a plurality of base plates, wherein the base plates are sleeved at two ends of each pre-stressed pull rod respectively and are located between the pre-fabricated concrete blocks and the nuts.
3. The combined precast concrete strip foundation applied to the beam-column type cast-in-place beam support as claimed in claim 2, wherein: the backing plate is a deformed steel bar tensioning backing plate.
4. The combined precast concrete strip foundation applied to the beam-column type cast-in-place beam support as claimed in claim 1, wherein: the prestressed pull rod is made of deformed steel.
5. The combined precast concrete strip foundation applied to a beam-column type cast-in-place beam support as claimed in any one of claims 1 to 4, wherein: and the surface of the prefabricated concrete block is welded with a hanging ring.
6. The combined precast concrete strip foundation applied to the beam-column type cast-in-place beam support as claimed in claim 5, wherein: the precast concrete block consists of C30 concrete and reinforcing bars; the tenon or the mortise on the prefabricated concrete block is made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020910515.6U CN212742603U (en) | 2020-05-26 | 2020-05-26 | Combined prefabricated concrete strip foundation applied to beam column type cast-in-situ beam support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020910515.6U CN212742603U (en) | 2020-05-26 | 2020-05-26 | Combined prefabricated concrete strip foundation applied to beam column type cast-in-situ beam support |
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| CN212742603U true CN212742603U (en) | 2021-03-19 |
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| CN202020910515.6U Active CN212742603U (en) | 2020-05-26 | 2020-05-26 | Combined prefabricated concrete strip foundation applied to beam column type cast-in-situ beam support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529773A (en) * | 2021-07-16 | 2021-10-22 | 兰州理工大学 | Spliced type under-wall assembly type strip foundation and construction method thereof |
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2020
- 2020-05-26 CN CN202020910515.6U patent/CN212742603U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529773A (en) * | 2021-07-16 | 2021-10-22 | 兰州理工大学 | Spliced type under-wall assembly type strip foundation and construction method thereof |
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