CN212507065U - Steel construction assembled house mill prefabricated steel pipe concrete column - Google Patents
Steel construction assembled house mill prefabricated steel pipe concrete column Download PDFInfo
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- CN212507065U CN212507065U CN202021392447.5U CN202021392447U CN212507065U CN 212507065 U CN212507065 U CN 212507065U CN 202021392447 U CN202021392447 U CN 202021392447U CN 212507065 U CN212507065 U CN 212507065U
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Abstract
The utility model relates to a steel construction assembly type construction engineering field specifically is a steel construction assembly type house factory prefabricated steel pipe concrete column. Including the steel-pipe column, its characterized in that: the steel pipe column is characterized in that a grouting hole and a vibrating hole are formed in a top plate of the steel pipe column, a concrete layer is poured inside the steel pipe column, butt joint cavities are reserved at the upper butt joint end and the lower butt joint end, a special-shaped sealing plate used for plugging the concrete layer is arranged in the butt joint cavity located below, a prefabricated observation pipe and a prefabricated grouting pipe which are communicated with the butt joint cavity located below are arranged on the special-shaped sealing plate respectively, and the prefabricated observation pipe and the prefabricated grouting pipe are connected with a steel column observation air hole and a steel column grouting hole in two side arms of the steel pipe column. The utility model discloses precast concrete filled steel tubular column mill grout according to the job site demand, accomplishes the prefabrication in advance of concrete filled steel tubular column in the mill, and the prefab transports to take one's place with the hoisting of concrete filled steel tubular column after the scene, realizes the precast grout of steel column mill for project construction progress promotes the whole assembly rate of project.
Description
Technical Field
The utility model relates to a steel construction assembly type construction engineering field specifically is a prefabricated steel core concrete column of assembled house mill.
Background
In industrial and civil building engineering, most engineering pouring modes adopt concrete cast-in-place, and because the construction procedures are multiple and the difficulty is high, quality problems such as non-compact grouting and the like are easy to occur in the construction; the cast-in-place is greatly influenced by weather and has higher requirements on the technical level of constructors and the management level of managers.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem to a prefabricated steel core concrete column of assembled house mill is provided, changes the concrete cast-in-place mode, reduces the construction procedure, reduces the construction degree of difficulty, avoids appearing quality problems easily in the construction, like grout non-closely knit etc.. The degree of weather influence on the site pouring is reduced, and the requirements on the technical level of constructors and the management level of managers are lowered.
The utility model provides a problem, the technical scheme who adopts is:
the prefabricated steel pipe concrete column comprises a steel pipe column, a grouting hole and a vibrating hole are formed in the top plate of the steel pipe column, a concrete layer is poured into the steel pipe column, butt joint cavities are reserved at the upper butt joint end and the lower butt joint end, a special-shaped sealing plate used for plugging the concrete layer is arranged in the butt joint cavity below the steel pipe column, a prefabricated observation pipe and a prefabricated grouting pipe are arranged on the special-shaped sealing plate and communicated with the butt joint cavity below the prefabricated observation pipe and the prefabricated grouting pipe, and the prefabricated observation pipe and the prefabricated grouting pipe are respectively connected with steel columns on two side arms of the steel pipe column to observe air holes and steel column grouting holes.
Adopt above-mentioned technical scheme the utility model discloses, compare with prior art, its outstanding characteristics are:
occupation of site is reduced, adverse effects of noise, dust emission and the like caused in the construction process can be reduced, and the environment-friendly concept is met.
Secondly, the grouting is prefabricated in a factory, the maintenance condition is better, the restriction of the climatic condition is small, the cost of winter construction of the project is saved, and the construction can be normally carried out all the year round.
And the whole construction progress of the project is improved, the construction period is shortened by 20%, the project cost is reduced by 10%, and the whole assembly efficiency is improved by 10%.
Preferably, the present invention further provides:
the special-shaped sealing plate is of an upward-protruding cap-shaped structure, and the prefabricated observation tube and the prefabricated grouting tube are respectively welded on a protruding portion of the special-shaped sealing plate.
Drawings
FIG. 1 is a schematic structural diagram of a prefabricated concrete-filled steel tube column according to an embodiment of the present invention;
FIG. 2 is a schematic view of a portion of the enlarged structure of A in FIG. 1;
FIG. 3 is a schematic side view of a prefabricated concrete-filled steel tube column according to an embodiment of the present invention;
FIG. 4 is a partial enlarged structural view of B in FIG. 3;
fig. 5 is a schematic structural view of a prefabricated concrete-filled steel tube column before grouting according to an embodiment of the present invention;
FIG. 6 is a partial enlarged structural view of C in FIG. 5;
FIG. 7 is a schematic sectional view A-A of FIG. 5;
fig. 8 is a schematic side view of the prefabricated concrete-filled steel tube column according to the embodiment of the present invention before grouting;
FIG. 9 is an enlarged partial view of D in FIG. 8;
fig. 10 is a schematic structural view of a special-shaped sealing plate according to an embodiment of the present invention;
FIG. 11 is a schematic bottom view of the structure of FIG. 10;
FIG. 12 is a schematic view of the right side structure of FIG. 10;
fig. 13 is a schematic structural view of a prefabricated concrete filled steel tubular column according to an embodiment of the present invention;
FIG. 14 is a schematic side view of the prefabricated concrete-filled steel tube column according to the embodiment of the present invention;
FIG. 15 is a schematic structural diagram of the prefabricated concrete-filled steel tube column in-situ butt joint according to the embodiment of the present invention;
FIG. 16 is a schematic side view of the prefabricated concrete-filled steel tube column according to the embodiment of the present invention;
in the figure: a steel pipe column 1; a top plate 2; grouting holes 3; a vibrating hole 4; a concrete layer 5; a butt joint cavity 6; a special-shaped closing plate 7; prefabricating an observation tube 8; prefabricating a grouting pipe 9; observing a steel column through an air hole 10; steel column grouting holes 11; welding the groove 12; a connecting plate 13.
The specific implementation mode is as follows:
the invention will be further described with reference to the following examples, which are intended only for better understanding of the invention and therefore do not limit the scope of the invention.
Referring to fig. 1 to 16, a prefabricated steel pipe concrete column of steel structure assembled house factory, including steel-pipe column 1, it has grouting hole 3 and vibration hole 4 to open on the roof 2 of steel-pipe column 1, the inside pouring of steel-pipe column 1 has concrete layer 5, and butt joint cavity 6 is all left to butt joint end from top to bottom, be provided with the special-shaped shrouding 7 that is used for shutoff concrete layer 5 in the butt joint cavity 6 that is located the below, be provided with prefabricated observation pipe 8 and prefabricated grout pipe 9 that link up with butt joint cavity 6 of below on the special-shaped shrouding 7 respectively, prefabricated observation pipe 8 and prefabricated grout pipe 9 are connected steel column observation bleeder vent 10 and steel column grouting hole 11 on the wall of steel-pipe column 1 both sides respectively.
The special-shaped sealing plate 7 is of an upward-protruding cap-shaped structure, and the prefabricated observation tube 8 and the prefabricated grouting tube 9 are respectively welded on the protruding portion of the special-shaped sealing plate 7.
And the side walls of the upper butt joint end and the lower butt joint end of the steel pipe column 1 are provided with connecting plates 13 for butting the steel pipe column 1.
The manufacturing method of the prefabricated steel pipe concrete column of the steel structure assembly type residential factory comprises the following steps:
(1) manufacturing a steel pipe column 1: a grouting hole 3 and a vibrating hole 4 are formed in a top plate 2 of a rectangular pipe steel column, a special-shaped sealing plate 7 for plugging a concrete layer 5 is welded in the rectangular pipe steel column, a butt joint cavity 6 is formed below the special-shaped sealing plate 7, a prefabricated observation pipe 8 and a prefabricated grouting pipe 9 which penetrate through the butt joint cavity 6 below the special-shaped sealing plate 7 are welded on the special-shaped sealing plate 7 in advance, the prefabricated observation pipe 8 and the prefabricated grouting pipe 9 are respectively in butt joint with a steel column observation air vent 10 and a steel column grouting hole 11 which are formed in the side wall of the rectangular pipe steel column, the steel column observation air vent 10 is used for exhausting in the pouring process and observing whether grouting is compact or not, and the steel column grouting hole 11 is used for performing high-pressure grouting on the reserved butt joint cavity 6 after butt joint;
(2) grouting: before grouting, the milling positions of the peripheral ends of the upper end of a rectangular pipe steel column are protected by transparent adhesive tapes, 200mm grouting is reserved in a factory after site installation at a grouting hole and a vibrating hole of ∅ 120mm, a double-sided groove type open type rapid grouting installation and disassembly safety operation platform is arranged at the upper part of the rectangular pipe steel column, C55 micro-expansive concrete is adopted in the steel pipe column, the plugging site can not be grouted when the vent hole is observed at the steel column, the transparent adhesive tapes are adopted for sealing before grouting, the pressure grouting hole is sealed by the transparent adhesive tapes, grouting is carried out after the rectangular pipe steel column is installed at a place which is 200mm away from the lower end, a concrete conveying pump with stirring 30 types is adopted to be matched with an auxiliary steel funnel for carrying out the grouting, a small conveying pump is debugged in advance to be in place, the rectangular pipe steel column which is qualified after inspection is installed on the safety operation platform and is fixed firmly, and an original machine standard iron, a black high-pressure special hose with a pipe head is adopted at an elbow joint on the upper side of the platform for firm connection, the high-pressure special hose with the outer diameter not larger than phi 90 is stretched into a position of about 200mm in a grouting hole 3 on a top plate 2 of a rectangular pipe steel column 1, and a grouting pipe orifice is required to be vertically aligned to the grouting hole of a lower side partition plate, so that a large amount of concrete can be directly conveyed to the bottom of the steel column through the grouting hole, and the quality requirement of density is met by utilizing the kinetic energy pressure generated when the platform is thrown down at a high position in the pouring process; before the rectangular pipe steel column is poured, firstly inserting an ultra-long vibrating rod with the diameter of 50mm into the position of about 200mm at the bottom of the rectangular pipe steel column, effectively and reasonably vibrating by adopting a lengthened vibrating rod with the diameter of 9-12 m, pulling while vibrating, rising along with the pouring height, stopping pumping and vibrating when the pouring height is not larger than 1.5m for one time, controlling the vibrating time to be about 60 seconds by a specially-assigned person each time or vibrating each time until the surface of concrete is flush and level and is not obviously reduced, bubbles do not appear, and the surface of the concrete overflows with mortar, pouring at the next height of 1.5m, and pouring the whole rectangular pipe steel column by the analogy, adopting a tapping method for real-time tracking detection in the pouring process, and ensuring the design strength and compactness of the concrete in the column in the grouting process; the concrete pouring in the single-section column needs to be continuously carried out until the position 200mm below the top of the single-section column, so that the upper end of the rectangular pipe steel column also forms a butt joint cavity 6, the pouring can not be stopped midway, and the pouring must be completed all at one time, if the special condition is met, the steel funnel is manually poured at one time in advance by adopting a measure prepared in advance, and the prefabricated pouring of the whole steel pipe concrete column in the factory is finished by the analogy, the vibrated part needs to adopt an external pipe knocking method or a non-metal ultrasonic detection method to detect the compactness in time after the pouring is finished, if the outside-pipe knocking method detects that the part with incompact or defect needs to adopt the measures of increasing the vibrating force or adopting external force tamping if necessary, finally ensuring that the whole grouting quality of the prefabricated steel pipe concrete column in a factory meets the requirements of design and relevant specifications, cleaning and performing punctiform scraping treatment after grouting, and packing the top plate hole of the column by using abrasive cloth after the treatment is completed.
In the step (1), the prefabricated observation pipe 8, the prefabricated grouting pipe 9 and the special-shaped sealing plate 7 are welded after being assembled in a trial mode; the prefabricated grouting pipe 9 and the prefabricated observation pipe 8 are aligned with the steel column grouting hole 11 and the steel column observation air hole 10 on the side wall of the steel pipe column 1 and then welded; the prefabricated grouting pipe 9 and the prefabricated observation pipe 8 are tightly welded and sealed with the steel pipe column 1, and air leakage cannot occur; in the step (2), before the steel column integral factory experiment grouting, a test block experiment is firstly carried out to be qualified, and then grouting is carried out; when the steel column is grouted, a guide pipe vertical grouting method is adopted to manufacture a supporting platform; when the steel column is grouted, reasonable vibration is carried out according to the requirements of the technical measure scheme, and a vibration rod and an external film pasting type vibration mode are adopted for vibration; adopting high-strength grouting material to perform pressure grouting at the steel column grouting hole 11 until the steel column is observed and the air hole 10 is discharged;
the poured concrete is C55 micro-expansive concrete.
The utility model discloses prefabricated steel pipe concrete column of two sections steel construction assembled house mills when the on-the-spot butt joint, at first fixed connection board 13, and the welding of welding groove 12 department is rectified to the correction, consider that welding deformation control carries out the butt joint installation with the steel column and make vertical delivery and rectify, the one-level welding seam welding of full penetration, the welding seam is polished and is handled smoothly, welding is polished and is carried out welding seam ultrasonic detection and qualified back and make the spraying anticorrosive according to the corresponding anticorrosive coating of installation technical requirement spraying, this place adopts high-pressure slip casting machine to carry out pressure grouting, adopt C60 no shrink micro-expansion grout material that excels in, the special messenger adopts nonmetal detection instrument total check locellus degree, for avoiding the unable slip casting of shutoff influence site operation, steel column observation bleeder vent 10 and steel column grout hole 11.
The utility model discloses change the concrete cast in situ mode, reduce the construction procedure, reduce the construction degree of difficulty, avoid appearing quality problems easily in the construction, if the grout is not closely knit etc.. The weather influence degree of in-situ pouring is reduced, and the requirements on the technical level of constructors and the management water average of managers are lowered; the utility model discloses prefabricated grout of high-rise assembled house steel core concrete column mill, according to the job site demand, accomplish the prefabrication in advance of steel core concrete column in the mill, the prefab transports to take one's place steel core concrete column hoist and mount after the scene, realizes steel column mill's prefabricated grout for project construction progress promotes project unit assemblage rate, compares with prior art and has following advantage:
occupation of site is reduced, adverse effects of noise, dust emission and the like caused in the construction process can be reduced, and the environment-friendly concept is met.
Secondly, the grouting is prefabricated in a factory, the maintenance condition is better, the restriction of the climatic condition is small, the cost of winter construction of the project is saved, and the construction can be normally carried out all the year round.
And the whole construction progress of the project is improved, the construction period is shortened by 20%, the project cost is reduced by 10%, and the whole assembly efficiency is improved by 10%.
The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent variations made by using the contents of the specification and the drawings are included in the scope of the present invention.
Claims (2)
1. The utility model provides a prefabricated steel core concrete column of steel construction assembled house mill, includes the steel-pipe column, its characterized in that: the steel pipe column is characterized in that a grouting hole and a vibrating hole are formed in a top plate of the steel pipe column, a concrete layer is poured inside the steel pipe column, butt joint cavities are reserved at the upper butt joint end and the lower butt joint end, a special-shaped sealing plate used for plugging the concrete layer is arranged in the butt joint cavity located below, a prefabricated observation pipe and a prefabricated grouting pipe which are communicated with the butt joint cavity located below are arranged on the special-shaped sealing plate respectively, and the prefabricated observation pipe and the prefabricated grouting pipe are connected with a steel column observation air hole and a steel column grouting hole in two side arms of the steel pipe column.
2. The prefabricated concrete-filled steel tube column for a steel structure fabricated residential factory of claim 1, wherein: the special-shaped sealing plate is of an upward-protruding cap-shaped structure, and the prefabricated observation tube and the prefabricated grouting tube are respectively welded on a protruding portion of the special-shaped sealing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021392447.5U CN212507065U (en) | 2020-07-15 | 2020-07-15 | Steel construction assembled house mill prefabricated steel pipe concrete column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021392447.5U CN212507065U (en) | 2020-07-15 | 2020-07-15 | Steel construction assembled house mill prefabricated steel pipe concrete column |
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| CN212507065U true CN212507065U (en) | 2021-02-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114108823A (en) * | 2021-12-31 | 2022-03-01 | 中冶赛迪工程技术股份有限公司 | Fabricated component and connecting method |
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2020
- 2020-07-15 CN CN202021392447.5U patent/CN212507065U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114108823A (en) * | 2021-12-31 | 2022-03-01 | 中冶赛迪工程技术股份有限公司 | Fabricated component and connecting method |
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