CN212427567U - Reinforced concrete prefabricated column type steel connecting joint - Google Patents
Reinforced concrete prefabricated column type steel connecting joint Download PDFInfo
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- CN212427567U CN212427567U CN202020778774.8U CN202020778774U CN212427567U CN 212427567 U CN212427567 U CN 212427567U CN 202020778774 U CN202020778774 U CN 202020778774U CN 212427567 U CN212427567 U CN 212427567U
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Abstract
The reinforced concrete prefabricated column type steel connection node. Most of longitudinal steel bars of the reinforced concrete prefabricated column at the present stage are connected through sleeves, and all the longitudinal steel bars need to be connected, the number of the sleeves is large, the cost is high, the steel bars are difficult to align holes during installation, and the installation difficulty is large. The utility model discloses the constitution includes: including a plurality of reinforced concrete prefabricated post (1), reinforced concrete prefabricated post includes steel reinforcement cage (9), and both ends are fixed with ring flange (6) about the steel reinforcement cage, and four shaped steel (2) have all been welded to the upper surface of upper end ring flange and the lower surface of lower extreme ring flange, set up rectangular shape screw hole (8) on the shaped steel, and the last pouring concrete of steel reinforcement cage, the concrete upper end extends to ring flange department, and the lower extreme extends to the shaped steel bottom and the shaped steel department of lower part reserves spread groove (7). The utility model is used for reinforced concrete prefabricated column shaped steel connected node.
Description
The technical field is as follows:
the utility model relates to a prefabricated columnar order steel connected node of reinforced concrete.
Background art:
compared with the traditional cast-in-place structure, the prefabricated building has obvious technical advantages of saving labor, templates and machinery, improving the quality of survival, reducing emission and pollution, saving construction period and cost, but the economic benefit and the social benefit generated by different construction modes of the prefabricated building are different. The longitudinal steel bars of the edge components of the reinforced concrete shear wall structure at the present stage are mostly connected through the sleeves, and all the longitudinal steel bars need to be connected, the sleeve cost, the manufacturing and installation labor cost of the prefabricated components, the grouting material cost and the grouting labor cost are high, the grouting process has high requirements on environment, the construction difficulty is high, the connection quality is not easy to guarantee, the grouting fullness degree detection difficulty is high, potential safety hazards are caused to the engineering quality, the assembled frame structure has obvious technical advantages compared with the traditional cast-in-place structure, the types of columns are few, the production is convenient, labor is saved, templates are saved, the survival quality is improved, the construction pollution is reduced, the construction period is shortened, the cost is saved, and the produced economic benefit and the social benefit are different for different assembled building construction modes. Most of longitudinal steel bars of the reinforced concrete prefabricated column at the present stage are connected through sleeves, the sleeves are required to be connected every time, the number of the sleeves is large, the cost is high, the steel bars are difficult to align holes during installation, the installation difficulty is large, the manufacturing and installation labor cost, the grouting material cost and the grouting labor cost of prefabricated components are higher, grouting depends on the responsibility of grouting workers and is high in supervision difficulty, grouting quality is difficult to observe visually, grouting fullness detection difficulty is high, and potential safety hazards are caused to engineering quality.
The utility model has the following contents:
the utility model aims at solving the prefabricated post longitudinal reinforcement majority of reinforced concrete at present stage and passing through muffjoint and every all need be connected, the sleeve is used in a large amount, and is with high costs, and the reinforcing bar is difficult to the hole during installation, and the problem that the installation degree of difficulty is big provides one kind and can utilize shaped steel bolted connection, and the standard component can be makeed into to the cylinder, produces in advance, the prefabricated post shaped steel connected node of reinforced concrete that the commonality is strong.
The above purpose is realized by the following technical scheme:
a reinforced concrete prefabricated column type steel connecting node comprises a plurality of reinforced concrete prefabricated columns, each reinforced concrete prefabricated column comprises a reinforcement cage, the upper end and the lower end of the reinforcement cage are fixed with flanges, four section steels are welded on the upper surface of the flange at the upper end and the lower surface of the flange at the lower end, and elongated threaded holes are formed in the section steels;
concrete is poured on the reinforcement cage, the upper end of the concrete extends to the flange plate, the lower end of the concrete extends to the bottom of the section steel, and a connecting groove is reserved at the section steel at the lower part of the section steel;
the section steel on the flange plate at the upper end of the reinforced concrete prefabricated column at the lower side is inserted into the section steel on the flange plate at the lower end of the reinforced concrete prefabricated column at the upper side and fixed through strip-shaped threaded holes of the section steel and the flange plate by high-strength bolts.
The reinforced concrete prefabricated column type steel connecting node is characterized in that the steel reinforcement cage comprises a steel reinforcement ring formed by enclosing longitudinal steel reinforcements, and a plurality of annular stirrups and internal tie bars are sleeved outside the steel reinforcement ring from top to bottom.
The reinforced concrete prefabricated column type steel connecting joint is characterized in that vent holes are formed in the bottom of the reinforced concrete prefabricated column, the starting point of each vent hole is near the center of the bottom plane of the column, and the end point of each vent hole is 300-500 th of one side face of the bottom of the column.
The reinforced concrete prefabricated column type steel connecting node is characterized in that the reinforced ring is a square ring or a circular ring, and the flange is square or circular and matched with the reinforced ring in shape.
The reinforced concrete prefabricated column type steel connecting node is characterized in that the section steel is in a square steel shape, a channel steel shape, an angle steel shape or a flat steel shape.
The reinforced concrete prefabricated column-shaped steel connecting node is characterized in that the flange plate is connected with the longitudinal steel bars in a steel bar threading or welding mode.
Has the advantages that:
1. the utility model provides a big drawback of cast-in-place post on-the-spot wet work volume improves the job site environment, pollution abatement and construction disturbing citizen's phenomenon.
The utility model provides a cast-in-place post is on-spot formwork, tie up the muscle, the template quantity that concreting caused is big layer upon layer, supports temporarily many, and the on-the-spot big scheduling problem of recruitment volume avoids the chaotic problem of job site, shortens key line time, shortens construction period, reduces financial cost.
The utility model provides a vertical reinforcing bar of prefabricated post of reinforced concrete at present stage mostly passes through muffjoint and every all needs to be connected, the sleeve is used in a large amount, and is with high costs, reinforcing bar is difficult to the hole during installation, the installation degree of difficulty is big, prefabricated component preparation and installation cost of labor, grouting material cost, the higher scheduling problem of grouting cost of labor all, it is big to avoid grout to rely on grouting workman responsibility and supervise the degree of difficulty, the grout quality is difficult to visual observation, the grout plumpness detects the degree of difficulty great, the phenomenon that causes the potential safety hazard to the engineering quality.
The utility model discloses prefabricated post of reinforced concrete batch production, production environment is stable, strictly according to standard inspection, and product strength is high, and the quality is guaranteed, avoids the phenomenon of the quality common fault that traditional cast-in-place construction technology produced.
The utility model discloses prefabricated post of reinforced concrete utilizes shaped steel bolted connection, and standard component can be makeed into to the cylinder, produces in advance, and the commonality is strong.
The utility model discloses component reuse, it is convenient to install, installs and removes the convenience.
Description of the drawings:
FIG. 1 is a schematic view of a reinforced concrete prefabricated square column of the present invention;
FIG. 2 is a schematic view of a reinforced concrete prefabricated cylinder according to the present invention;
FIG. 3 is a schematic view of a steel bar cage connecting section of the reinforced concrete prefabricated square column of the present invention;
FIG. 4 is a schematic view of a steel bar cage connecting section made of reinforced concrete prefabricated cylinder of the present invention;
FIG. 5 is a first schematic view of the flange connection profile steel of the present invention;
FIG. 6 is a schematic view of a flange connection section steel of the present invention;
FIG. 7 is a third schematic view of the flange connection section steel of the present invention;
FIG. 8 is a fourth schematic view of the flange connection section steel of the present invention;
FIG. 9 is a schematic view of the high-strength bolt connection of the reinforced concrete prefabricated square column of the present invention;
FIG. 10 is a schematic view of the connection of the reinforced concrete prefabricated cylindrical high-strength bolts of the present invention;
FIG. 11 is a schematic view of the connection form of the channel steel of the reinforced concrete precast column of the present invention;
FIG. 12 is a schematic view of the connection form of the reinforced concrete prefabricated column and the square steel;
FIG. 13 is a schematic view of a grout blanket for connecting upper and lower columns of a reinforced concrete precast column according to the present invention;
FIG. 14 is a schematic view of the grouting holes and the exhaust holes for connecting the upper and lower columns of the reinforced concrete precast column according to the present invention.
In the figure: 1. prefabricating a column by reinforced concrete; 2. section steel; 3. a high strength bolt; 4. longitudinal reinforcing steel bars; 5. hooping; 6. a flange plate; 7. connecting grooves; 8. a threaded hole of elongated shape; 9. and (4) a reinforcement cage. 10. And (4) grouting holes. 11. And (4) exhausting holes. 12. And (7) setting a pulp layer.
The specific implementation mode is as follows:
example 1:
a reinforced concrete prefabricated column type steel connecting node comprises a plurality of reinforced concrete prefabricated columns 1, each reinforced concrete prefabricated column comprises a reinforcement cage 9, the upper end and the lower end of each reinforcement cage are fixed with flanges 6, four section steels 2 are welded on the upper surfaces of the flanges at the upper ends and the lower surfaces of the flanges at the lower ends, and elongated threaded holes 8 are formed in the section steels;
concrete is poured on the reinforcement cage, the upper end of the concrete extends to the flange, the lower end of the concrete extends to the bottom of the section steel, and a connecting groove 7 is reserved at the section steel at the lower part of the section steel;
the section steel on the flange plate at the upper end of the reinforced concrete prefabricated column at the lower side is inserted into the section steel on the flange plate at the lower end of the reinforced concrete prefabricated column at the upper side and is fixed through strip-shaped threaded holes of the section steel and the flange plate through high-strength bolts 3.
Example 2:
the prefabricated reinforced concrete column-shaped steel connection node according to embodiment 1, wherein the reinforcement cage comprises a reinforcement ring formed by enclosing longitudinal reinforcements 4, and a plurality of annular stirrups 5 and internal tie bars are sleeved outside the reinforcement ring from top to bottom.
Example 3:
according to the reinforced concrete prefabricated column type steel connecting node in the embodiment 1 or 2, the bottom of the reinforced concrete prefabricated column is provided with the exhaust hole 11, the starting point of the exhaust hole is near the center of the bottom plane of the column, and the end point of the exhaust hole is 300-500 th of one side surface of the bottom of the column body.
Example 4:
according to the reinforced concrete prefabricated column-shaped steel connecting node in the embodiment 1, 2 or 3, the reinforcing steel ring is a square ring or a circular ring, and the flange is square or circular and matched with the reinforcing steel ring in shape.
Example 5:
according to the reinforced concrete prefabricated column type steel connecting node in the embodiment 1, 2, 3 or 4, the section steel is in a square steel shape, a channel steel shape, an angle steel shape or a flat steel shape.
Example 6:
according to the reinforced concrete prefabricated column type steel connecting node in the embodiment 1, 2, 3, 4 or 5, the flange plate and the longitudinal steel bar are connected in a reinforcing steel bar threading or welding mode.
Example 7:
a method for connecting reinforced concrete prefabricated column type steel connecting nodes,
the method comprises the following steps:
(1) producing the reinforced concrete prefabricated column;
firstly, erecting a reinforced concrete prefabricated column template, connecting the upper part of a longitudinal steel bar of the reinforced concrete prefabricated column with an upper flange, connecting the lower part of the longitudinal steel bar with a lower flange, connecting profile steel on the upper flange and the lower flange, hoisting and fixing a steel reinforcement cage with the profile steel flange in the template, arranging a concrete protective layer cushion block and fixing the concrete protective layer cushion block, arranging a prefabricated column supporting embedded part, a hoisting embedded part or a lifting hook in the reinforced concrete prefabricated column template, pouring concrete in the concrete template, covering the reinforced concrete prefabricated column template after pouring the concrete, and curing the concrete by using steam to finish the manufacturing of the reinforced concrete prefabricated column;
(2) mounting the reinforced concrete prefabricated column;
after the production of the reinforced concrete prefabricated column is finished, the concrete prefabricated column is hoisted and transported to a construction site through a hoisting embedded part or a lifting hook, a prefabricated column contour line and a control line are discharged on an operation surface, a cushion block is arranged at the column bottom and the elevation is hoisted, the reinforced concrete prefabricated column is hoisted, lower-layer column top section steel is inserted into prefabricated column bottom section steel, the alignment of bolt holes is adjusted, the prefabricated column is temporarily fixed through an inclined strut, the plane position and the verticality of the prefabricated column are adjusted, the reinforced concrete prefabricated column is finally fixed, a prefabricated column bottom base layer 12 is plugged and a grouting hole 10 is reserved, a high-strength screw rod is inserted into the aligned bolt hole and a nut is screwed, the mode of gradually screwing one by one and the final fixation are adopted, grouting materials are injected through the grouting hole, and gas in a cavity is discharged through an exhaust hole, so that the.
Claims (6)
1. The utility model provides a prefabricated post type steel connected node of reinforced concrete which characterized by: the reinforced concrete prefabricated column type steel connecting node comprises a plurality of reinforced concrete prefabricated columns, each reinforced concrete prefabricated column comprises a reinforcement cage, the upper end and the lower end of each reinforcement cage are fixed with a flange, four section steels are welded on the upper surface of the flange at the upper end and the lower surface of the flange at the lower end, and elongated threaded holes are formed in the section steels;
concrete is poured on the reinforcement cage, the upper end of the concrete extends to the flange plate, the lower end of the concrete extends to the bottom of the section steel, and a connecting groove is reserved at the section steel at the lower part of the section steel;
the section steel on the flange plate at the upper end of the reinforced concrete prefabricated column at the lower side is inserted into the section steel on the flange plate at the lower end of the reinforced concrete prefabricated column at the upper side and fixed through strip-shaped threaded holes of the section steel and the flange plate by high-strength bolts.
2. The reinforced concrete prefabricated column type steel connection node as claimed in claim 1, wherein: the steel reinforcement cage includes that vertical reinforcing bar encloses synthetic reinforcing bar ring, reinforcing bar ring outside from last to having a plurality of annular stirrups and inside lacing wire down the cover.
3. The reinforced concrete prefabricated column type steel connection node as claimed in claim 2, wherein: the bottom of the reinforced concrete prefabricated column is provided with an exhaust hole, the starting point of the exhaust hole is near the center of the plane of the column bottom, and the end point is at a position 300-500 th higher than one side face of the column body bottom.
4. The reinforced concrete prefabricated column type steel connection node as claimed in claim 3, wherein: the reinforcing bar ring is a square ring or a circular ring, and the flange plate is square or circular and matched with the reinforcing bar ring in shape.
5. The reinforced concrete prefabricated column type steel connection node as claimed in claim 4, wherein: the section steel is in the shape of square steel, channel steel, angle steel or flat steel.
6. The reinforced concrete prefabricated column type steel connection node as claimed in claim 5, wherein: the flange plate is connected with the longitudinal steel bars in a steel bar threading or welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020778774.8U CN212427567U (en) | 2020-05-12 | 2020-05-12 | Reinforced concrete prefabricated column type steel connecting joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020778774.8U CN212427567U (en) | 2020-05-12 | 2020-05-12 | Reinforced concrete prefabricated column type steel connecting joint |
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| Publication Number | Publication Date |
|---|---|
| CN212427567U true CN212427567U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020778774.8U Active CN212427567U (en) | 2020-05-12 | 2020-05-12 | Reinforced concrete prefabricated column type steel connecting joint |
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| CN (1) | CN212427567U (en) |
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- 2020-05-12 CN CN202020778774.8U patent/CN212427567U/en active Active
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