CN111058622A - Large steel mould cast-in-place column construction method adopting binding and lapping mode for column steel bars - Google Patents
Large steel mould cast-in-place column construction method adopting binding and lapping mode for column steel bars Download PDFInfo
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- CN111058622A CN111058622A CN201911373526.3A CN201911373526A CN111058622A CN 111058622 A CN111058622 A CN 111058622A CN 201911373526 A CN201911373526 A CN 201911373526A CN 111058622 A CN111058622 A CN 111058622A
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- Prior art keywords
- column
- steel
- large steel
- mould
- binding
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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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
Abstract
The invention discloses a construction method of a large steel mould cast-in-place column with column steel bars in a binding and overlapping mode, which comprises an upper large steel mould with a column cap, a lower large steel mould, a footing steel mould and a base.
Description
Technical Field
The invention relates to the field of building construction, in particular to a construction method of a column.
Background
The operation scaffold is usually set up earlier in the construction of traditional cast-in-place reinforced concrete post, perpendicular ligature post reinforcing bar again, and when the post height was great, it is many, the safe risk is big to set up scaffold frame and ligature reinforcing bar power consumption, and adopts the plank sheathing to add the staple bolt, still need establish the split bolt when the post cross-section is great, and the construction is troublesome, with high costs, and appearance quality is poor, is difficult to reach the clear water concrete requirement. The inventor previously discloses a patent (201711188594.3) and provides a large steel die cast-in-place column construction method, the method is simple and rapid to operate under the working condition that the main reinforcements are full of length, but when column reinforcements are connected in a binding and overlapping mode, binding and overlapping of reinforcements are required to be carried out at the column body part, so that the whole large steel die cannot be installed and constructed, the lower large steel die is independently assembled, the upper large steel die is integrally hoisted, and an efficient construction method is not reported.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a high-efficiency construction method for independently closing the lower large steel die and integrally hoisting the upper large steel die.
The large steel mould cast-in-place column construction method adopting the binding and lapping mode for the column steel bars comprises an upper large steel mould with a column cap, a lower large steel mould, a footing steel mould and a base, wherein the large steel mould cast-in-place column is constructed according to the following steps:
A. binding the reinforcing steel bars at the lower half part of the column reinforcing steel bars;
B. assembling a large steel die and a footing steel die at the lower part of the column, and fixing by using bolts;
C. binding an upper half part of reinforcement cage horizontally on the ground or floor, putting the reinforcement cage into a large steel mould on the upper part of the horizontally placed column, and then closing the mould;
D. integrally hoisting a column upper large steel mould with a column reinforcement cage inside, inserting a lower half part of reinforcement and connecting and fixing the lower half part of reinforcement with the column lower large steel mould;
E. tensioning a cable rope or a steel support arranged on the large steel mould of the column, and straightening the verticality of the column mould;
F. pouring concrete in the large steel mould;
G. dismantling a footing steel mould;
H. and (5) dismantling the rest large steel moulds, and finishing the column pouring.
The construction method of the large steel mould cast-in-place column by adopting the binding and lapping way for the column steel bars provided by the invention also has the following attached technical characteristics:
the steps can be adopted for two or more layers of cast-in-place columns.
And welding short steel pipes at the lap joints of the steel bars.
The large steel die for the upper part of the column comprises two U-shaped dies and a connecting bolt, a lower horizontal end rib is welded at the bottom of each U-shaped die, the large steel die for the lower part of the column comprises two U-shaped steel panels, a horizontal waist rib, an upper horizontal end rib, a vertical stiffening rib and a vertical end rib with a bolt through hole, and the upper horizontal end rib and the lower horizontal end rib are provided with through holes for penetrating the bolt.
Compared with the prior art, the large steel mould cast-in-place column construction method adopting the binding and lapping mode for the column steel bars provided by the invention has the following advantages:
1. the construction problem of when the post reinforcing bar adopts the ligature overlap joint is solved, realize quick hoist and mount, improve the efficiency of construction of big steel mould post, reduce construction cost.
1. The operation scaffold for binding the steel bars and supporting the formwork is omitted, and the processes are reduced.
2. The reinforcement cage is in ground ligature, and is safe and high-efficient.
Drawings
FIG. 1 is a construction process diagram of the present invention.
FIG. 2 is an assembly drawing of a large steel mold for a column according to the present invention.
FIG. 3 is a perspective view of a large steel mold on the upper part of the column of the present invention.
Fig. 4 is a perspective view of a large steel mold at the lower part of the column of the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1 to 4, in the embodiment of the large steel mold cast-in-place column construction method for the column steel bar in the binding and overlapping manner, the method comprises an upper large steel mold 1 with a column cap, a lower large steel mold 2, a footing steel mold 3 and a base 4, and is characterized in that the large steel mold cast-in-place column for the column steel bar in the binding and overlapping manner is constructed according to the following steps:
A. binding the steel bars 5 at the lower half part of the column steel bar;
B. the large steel die 2 and the footing steel die 3 at the lower part of the column are assembled and fixed by bolts;
C. the upper half part of the reinforcement cage 6 is horizontally bound on the ground or the floor, and the large steel mould 1 on the upper part of the horizontally placed column is placed and then the mould is closed;
D. integrally hoisting a column upper large steel mould 1 with a column reinforcement cage 6 inside, inserting a lower half part of reinforcement 5 and connecting and fixing the lower half part of reinforcement with a column lower large steel mould 2;
E. tensioning a cable rope or steel support 7 arranged on the large steel mould of the column, and straightening the verticality of the column mould;
F. pouring concrete in the large steel mould;
G. dismantling the footing steel die 3;
H. and (5) dismantling the rest large steel moulds, and finishing the column pouring.
The big steel mould 2 in post lower part treats independent compound die of reinforcing bar 5 ligature back, solves the construction problem when the post reinforcing bar adopts the ligature overlap joint, realizes hoist and mount fast, improves the efficiency of construction of big steel mould post, and has saved the operation scaffold frame of formwork, and the process reduces, reduces construction cost.
Referring to fig. 1 to 2, in the above embodiment of the present invention, the above steps can be similarly applied to two or more layers of cast-in-place columns, and short steel pipes 51(61) are welded at the lap joints of the steel bars 5 (6). When the upper large steel die 1 is integrally hoisted, the upper steel bar and the lower steel bar are mutually inserted into the short steel pipes 51 and 61 welded at the lap joint, so that the quick lap joint is realized, and the construction efficiency is high.
Referring to fig. 3 to 4, in the above embodiment of the present invention, the column upper large steel form 1 includes two U-shaped forms 11 and coupling bolts 12, the two U-shaped forms 11 have lower horizontal end ribs 13 welded to the bottoms thereof, the column lower large steel form 2 includes two U-shaped steel panels 21, horizontal waist ribs 22, upper horizontal end ribs 23, vertical stiffening ribs 24, and vertical end ribs 25 having bolt-passing through holes, and the upper horizontal end ribs 23 and the lower horizontal end ribs 13 are provided with bolt-passing through holes. The two U-shaped moulds 11 are integral U-shaped steel moulds formed by welding a plurality of steel plates and stiffening ribs, the horizontal waist rib 22, the upper horizontal end rib 23 and the vertical stiffening rib 24 are welded and connected with the U-shaped steel panel 21, the large steel mould 2 at the lower part of the column is connected into a whole by the vertical end rib 25 with a bolt through hole, the bending rigidity of the large steel mould 2 at the lower part of the column is improved, the large steel mould 1 at the upper part of the column and the large steel mould 2 at the lower part of the column are connected into a whole by bolts, the bending moment generated under the action of lateral pressure of concrete is borne, the construction is convenient, and the appearance is beautiful.
Claims (4)
1. The construction method of the large steel die cast-in-place column with the column steel bars in the binding and overlapping mode comprises an upper large steel die with a column cap, a lower large steel die, a footing steel die and a base, and is characterized in that the column steel bars are constructed by the large steel die cast-in-place column in the binding and overlapping mode according to the following steps:
A. binding the reinforcing steel bars at the lower half part of the column reinforcing steel bars;
B. assembling a large steel die and a footing steel die at the lower part of the column, and fixing by using bolts;
C. binding an upper half part of reinforcement cage horizontally on the ground or floor, putting the reinforcement cage into a large steel mould on the upper part of the horizontally placed column, and then closing the mould;
D. integrally hoisting a column upper large steel mould with a column reinforcement cage inside, inserting a lower half part of reinforcement and connecting and fixing the lower half part of reinforcement with the column lower large steel mould;
E. tensioning a cable rope or a steel support arranged on the large steel mould of the column, and straightening the verticality of the column mould;
F. pouring concrete in the large steel mould;
G. dismantling a footing steel mould;
H. and (5) dismantling the rest large steel moulds, and finishing the column pouring.
2. The method for constructing a large steel-mold cast-in-place column by binding and overlapping the column steel bars as claimed in claim 1, wherein the steps can be adopted for two or more layers of cast-in-place columns.
3. The construction method of the large steel mold cast-in-place column by using the binding and overlapping manner for the column steel bars according to claim 1, characterized in that short steel pipes are welded at the overlapping positions of the steel bars.
4. The construction method of the large steel mould cast-in-place column according to claim 1, wherein the large steel mould at the upper part of the column comprises two U-shaped moulds and connecting bolts, the bottom of the two U-shaped moulds is welded with a lower horizontal end rib, the large steel mould at the lower part of the column comprises two U-shaped steel panels, a horizontal waist rib, an upper horizontal end rib, a vertical stiffening rib and a vertical end rib with a bolt through hole, and the upper horizontal end rib and the lower horizontal end rib are provided with a through hole for passing through the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911373526.3A CN111058622A (en) | 2019-12-27 | 2019-12-27 | Large steel mould cast-in-place column construction method adopting binding and lapping mode for column steel bars |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911373526.3A CN111058622A (en) | 2019-12-27 | 2019-12-27 | Large steel mould cast-in-place column construction method adopting binding and lapping mode for column steel bars |
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| CN111058622A true CN111058622A (en) | 2020-04-24 |
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| CN201911373526.3A Pending CN111058622A (en) | 2019-12-27 | 2019-12-27 | Large steel mould cast-in-place column construction method adopting binding and lapping mode for column steel bars |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047627A (en) * | 2021-02-07 | 2021-06-29 | 东南大学 | Finished steel reinforcement cage grading assembly method suitable for bearing metal column template |
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| CN205557822U (en) * | 2016-04-13 | 2016-09-07 | 江苏华江建设集团有限公司 | Vertical connection structure of prefabricated frame post |
| CN107165273A (en) * | 2017-07-07 | 2017-09-15 | 中北大学 | A kind of assembled beam-column Joint design method of explosion-proof protecting against shock |
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| CN108560405A (en) * | 2018-07-17 | 2018-09-21 | 中冶长天国际工程有限责任公司 | The construction method of assembled column, assembled bridge pier and assembled bridge pier |
| CN108979137A (en) * | 2018-06-29 | 2018-12-11 | 浙江展诚建设集团股份有限公司 | The assembling and disassembling construction method of Round Concrete column composite wooden template |
| CN109487955A (en) * | 2018-02-13 | 2019-03-19 | 浙江中成建工集团有限公司 | A kind of precast concrete column in-situ cast-in-place construction method |
| CN109838088A (en) * | 2017-11-24 | 2019-06-04 | 杨众 | The cast-in-place column construction method of big punching block |
-
2019
- 2019-12-27 CN CN201911373526.3A patent/CN111058622A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2646868A3 (en) * | 1989-05-14 | 1990-11-16 | Construmat Ag | Tubular formwork made of paper wound in several layers |
| JP3251905B2 (en) * | 1998-06-18 | 2002-01-28 | 佐藤工業株式会社 | Hanging jig for pre-assembled column bar and method of installing closing form in manufacturing outer shell PCa column member using the same |
| CN202187477U (en) * | 2011-08-04 | 2012-04-11 | 中国京冶工程技术有限公司 | Multi-layer prefabricated concrete column structure |
| CN103174254A (en) * | 2013-02-03 | 2013-06-26 | 株洲博尔曼科技发展有限公司 | Novel prefabricated insulating component and construction method thereof |
| CN203613719U (en) * | 2013-08-27 | 2014-05-28 | 陕西建科兴业钢结构有限公司 | Prefabricated hollow steel concrete column and splicing structure thereof |
| KR101552176B1 (en) * | 2014-12-10 | 2015-09-11 | 주식회사 액트파트너 | A Column Structure with the Separative Form |
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| CN109838088A (en) * | 2017-11-24 | 2019-06-04 | 杨众 | The cast-in-place column construction method of big punching block |
| CN109487955A (en) * | 2018-02-13 | 2019-03-19 | 浙江中成建工集团有限公司 | A kind of precast concrete column in-situ cast-in-place construction method |
| CN108979137A (en) * | 2018-06-29 | 2018-12-11 | 浙江展诚建设集团股份有限公司 | The assembling and disassembling construction method of Round Concrete column composite wooden template |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047627A (en) * | 2021-02-07 | 2021-06-29 | 东南大学 | Finished steel reinforcement cage grading assembly method suitable for bearing metal column template |
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Application publication date: 20200424 |
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