CN112523591A - Steel pipe column installation method - Google Patents
Steel pipe column installation method Download PDFInfo
- Publication number
- CN112523591A CN112523591A CN202011277734.6A CN202011277734A CN112523591A CN 112523591 A CN112523591 A CN 112523591A CN 202011277734 A CN202011277734 A CN 202011277734A CN 112523591 A CN112523591 A CN 112523591A
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- steel pipe
- pipe column
- column
- nut
- steel
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
- E04H12/347—Arrangements for setting poles in the ground
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
A steel pipe column installation method specifically comprises the following steps: 1) the foundation bolt of the steel pipe column adopts double-layer nuts, the upper part and the lower part of a bottom plate of the steel pipe column are respectively provided with one nut, the lower part of the nut controls the elevation, and the upper part of the nut is used for fastening; 2) installing a steel pipe column hoisting ring on the steel pipe column, and hanging the steel pipe column hoisting ring by using a lifting hook of a crane to hoist the steel pipe column; 3) nuts of the foundation bolts of the steel pipe columns are fastened by long-arm nut stiffeners; 4) c40 grouting material is adopted to perform secondary grouting under the bottom plate of the steel pipe column to fill the gap at the bottom of the steel pipe column; 5) the short column of the steel pipe column footing is encapsulated and supported by a shaping template. The installation method of the invention does not need to weld the lifting lugs on the steel pipe column, has simple and convenient operation and large lifting safety coefficient; the nuts of the steel pipe column foundation bolts are firmly screwed, and construction is convenient. The invention has reasonable design, saves the installation material of the steel pipe column and saves a large amount of installation time.
Description
Technical Field
The invention relates to the field of building construction and installation, in particular to a steel pipe column installation method.
Background
In large-scale steel structure engineering, steel pipe columns are mostly adopted as supports. When the steel-pipe column hoisted, the lug was welded on the steel-pipe column to the adoption more, still need cut off after the installation was fixed, and the process is more loaded down with trivial details, and waste material also waste time promptly also has the potential safety hazard simultaneously. In addition, in the installation process of the steel pipe column encapsulated by the footing short column, due to the influence of the embedded steel bars encapsulated by the footing short column, the nut fastening space of the steel pipe column footing bolt is narrow and small, the bolt is not suitable to be screwed, and the construction speed is slow. In order to solve the problems, the invention provides a method for installing a steel pipe column.
Disclosure of Invention
The invention aims to provide a steel pipe column installation method, the installation method does not need to weld a lifting lug on the steel pipe column, the operation is simple and convenient, and the lifting safety coefficient is high; the nuts of the steel pipe column foundation bolts are firmly screwed, and construction is convenient. The invention has reasonable design, saves the installation material of the steel pipe column and saves a large amount of installation time.
In order to achieve the purpose, the invention adopts the following technical scheme:
a steel pipe column installation method comprises the steps of embedding steel pipe column foundation bolts, hoisting the steel pipe column, fastening nuts of the steel pipe column foundation bolts, secondarily pouring concrete at the bottom of the steel pipe column, and encapsulating a short column of the steel pipe column foundation bolts; the method specifically comprises the following steps:
1) the foundation bolt of the steel pipe column adopts double-layer nuts, the upper part and the lower part of a bottom plate of the steel pipe column are respectively provided with one nut, the lower part of the nut controls the elevation, and the upper part of the nut is used for fastening;
2) hoisting the steel pipe column: installing a steel pipe column hoisting ring on the steel pipe column, and hanging the steel pipe column hoisting ring by using a lifting hook of a crane to hoist the steel pipe column;
3) nuts of the foundation bolts of the steel pipe columns are fastened by long-arm nut stiffeners;
4) c40 grouting material is adopted to perform secondary grouting under the bottom plate of the steel pipe column to fill the gap at the bottom of the steel pipe column;
5) the short column of the steel pipe column footing is encapsulated and supported by a shaping template.
The long-arm nut reinforcement device in the step 2) comprises a long steel pipe, a steel chisel and a sleeve, wherein the sleeve is fixed at one end of the long steel pipe, the shape of an inner hole of the sleeve is consistent with that of an anchor bolt nut, a round hole is formed in the other end of the long steel pipe, the diameter of the round hole is larger than that of the steel chisel, the length of the long steel pipe is longer than the height of a steel bar of a short footing column, the long steel pipe is longitudinally inserted into the anchor bolt, the anchor bolt nut is sleeved with the sleeve, the steel chisel is inserted into the round hole of the long steel pipe, and the anchor bolt nut is screwed tightly.
The steel pipe column lifting ring comprises two semicircular lifting rings and two U-shaped buckles, the two semicircular lifting rings are buckled on the steel pipe column, the two sides of the steel pipe column are connected through the U-shaped buckles, and steel wire ropes penetrate into the U-shaped buckles and are used for hanging lifting hooks.
Compared with the prior art, the invention has the beneficial effects that:
1) the installation of the bolts at the lower part of the steel pipe column base plate can quickly level the steel pipe column base plate, and the installation time of the steel pipe column is saved.
2) The steel-pipe column is lifted by adopting a mode of hanging the steel-pipe column lifting ring under the lifting hook of the crane, lifting lugs do not need to be welded on the steel-pipe column (the lifting lugs need to be cut off after installation), the steel-pipe column lifting ring naturally falls by self gravity after the steel-pipe column is fixed, the construction is convenient, the safety is high, and the time and the materials are saved.
3) Adopt long arm nut reinforcement ware can accomplish the fastening to steel-pipe column rag bolt nut in narrow and small space, the construction of standing, more easy hard than traditional squatting construction, also solved the difficult problem that can't fasten the nut in narrow and small space.
4) Adopt C40 grout material to carry out the secondary and pour under steel-pipe column footing board, enable steel-pipe column footing board and basis close coupling, difficult production gap has improved construction quality.
5) The short column of the steel pipe column footing is encapsulated by the shaping template for supporting, so that the template is high in repeated use efficiency and high in supporting speed.
The method for installing the steel pipe column saves labor, time and materials, improves the construction efficiency and improves the construction quality.
Drawings
FIG. 1 is a schematic diagram of a steel pipe column installation method after installation;
FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1;
FIG. 3 is a schematic view of a steel pipe column hoisting ring;
FIG. 4 is a schematic drawing of steel pipe column hoisting.
In the figure: 1. the steel pipe column comprises a cushion layer, 2 parts of footing short column steel bars, 3 parts of foundation bolts, 4 parts of a foundation, 5 parts of footing bolt nuts, 6 parts of a steel pipe column bottom plate, 7 parts of a steel pipe column, 8 parts of upper foundation bolt nuts, 9 parts of a long arm nut reinforcing device, 10 parts of round holes, 11 parts of steel rods, 12 parts of grouting materials, 13 parts of a steel pipe column footing short column, 14 parts of a sleeve, 15 parts of a long steel pipe, 16 parts of a steel pipe column lifting ring, 17 parts of a reinforcing plate, 18 parts of a U-shaped buckle, 19 parts of a sizing block, 20 parts of a steel pipe column top plate, 21 parts of a steel wire rope, 22 parts of a lifting hook, 23 parts of a template.
Detailed Description
The present invention will be described in detail below, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1-4, a steel pipe column installation method includes embedding steel pipe column anchor bolts, hoisting a steel pipe column, fastening nuts of the steel pipe column anchor bolts, secondary pouring of concrete at the bottom of the steel pipe column, and encapsulating a short column of the steel pipe column anchor bolts; the method specifically comprises the following steps:
1) firstly, pouring the cushion layer 1 of the steel pipe column foundation 4 in a foundation pit.
2) And (3) binding the steel bars of the foundation 4 and embedding the steel pipe column foundation bolts 3 on the cushion layer 1, and reserving the steel bars 2 of the steel pipe column foundation columns. And determining the pre-embedded position of the foundation bolt 3 of the steel pipe column according to the central point and the axis of the steel pipe column 7, wherein the position of the pre-embedded position corresponds to the position of a bolt hole on the bottom plate 6 of the steel pipe column, the foundation bolt 3 is vertical and is firmly welded with the foundation 4 steel bar, and the center offset of the foundation bolt is less than or equal to 5 mm.
And (4) after the steel bar binding of the steel pipe column foundation 4 is finished, carrying out template supporting, and carrying out foundation 4 concrete pouring after the inspection is qualified.
3) The foundation bolt of the steel pipe column adopts double-layer nuts, the upper part and the lower part of the bottom plate of the steel pipe column are respectively provided with one nut, the lower part of the nut controls the elevation, and the upper part of the nut is used for fastening.
The foundation bolt and nut 5 under the steel pipe column is placed on the foundation bolt 3 according to the bottom elevation of the steel pipe column bottom plate 6 before the steel pipe column 7 is installed, and the elevation deviation is less than or equal to 1 mm.
4) Hoisting the steel pipe column: the steel pipe column hanging ring 16 is installed on the steel pipe column 7, the steel pipe column hanging ring 16 is hung by a hanging hook 22 of a crane to hang the steel pipe column 7, and the steel pipe column hanging ring 16 is made of a steel belt with the wall thickness of 20mm and the width of 150 mm.
As shown in fig. 3, the diameter of the steel pipe column hoisting ring 16 is 20mm larger than that of the steel pipe column 7, 2 sizing blocks 19 of 150mm by 20mm are respectively added at the joints of the two ends of the steel pipe column hoisting ring and welded on the steel pipe column hoisting ring 16, and 2 stiffening plates 17 are respectively welded at the two ends of the steel pipe column hoisting ring 16, have the thickness of 10mm and have the same width as that of the steel pipe column hoisting ring 16.
The steel pipe column lifting ring 16 comprises two semicircular lifting rings and two U-shaped buckles 18, the two semicircular lifting rings are buckled on the two sides of the steel pipe column 7 and connected through the U-shaped buckles 18, and a steel wire rope 21 is penetrated into the U-shaped buckles 18 and used for hanging a lifting hook 22.
Before the steel pipe column 7 is lifted, the steel pipe column hanging ring 16 is installed at the top of the steel pipe column 7, two halves of the steel pipe column hanging ring 16 are connected together through a U-shaped buckle 18 and hung on a lifting hook 22 through a steel wire rope 21 (a crane and the steel wire rope are selected according to the weight and the height of the steel pipe column 7), and a steel pipe column top plate 20 and a top plate stiffening plate 24 are of a top structure of the steel pipe column 7 in design. The steel pipe column hoisting ring 16 is clamped at the bottom of the main steel pipe column top plate 20 to realize hoisting of the steel pipe column 7.
5) The nuts of the steel pipe column foundation bolts are fastened by long-arm nut reinforcing devices 9.
After the steel pipe column 7 is placed on the steel pipe column foundation bolt 3, the steel pipe column is temporarily fixed by an upper foundation bolt nut 8 of the steel pipe column. Erecting theodolites in two directions perpendicular to the steel pipe column 7 respectively, aligning the theodolites to the edge of the steel pipe column 7 from bottom to top, and adjusting the verticality of the steel pipe column 7, wherein delta is less than or equal to 35 mm. The bottom of the steel pipe column base plate 6 is provided with the wedge triangular sizing block, the crane is loose, the verticality of the steel pipe column 7 is unchanged and meets the design and standard requirements, and then the triangular sizing block is welded on the steel pipe column base plate 6 and the steel pipe column lower foundation bolt nut 5 and the steel pipe column upper foundation bolt nut 8 are screwed.
The long-arm nut reinforcement device 9 comprises a long steel pipe 15, a steel chisel 11 and a sleeve 14, wherein the sleeve 14 is fixed at one end of the long steel pipe 15, the shape of an inner hole of the sleeve 14 is consistent with that of an anchor bolt nut, a round hole 10 is formed in the other end of the long steel pipe 15, the diameter of the round hole 10 is larger than that of the steel chisel 11, the length of the long steel pipe 15 is longer than the height of a footing short column steel bar 2, the long steel pipe 15 is longitudinally inserted into an anchor bolt 3, the sleeve 14 sleeves an upper anchor bolt nut 8, the steel chisel 11 is inserted into the round hole 10 of the long steel pipe 15, and the anchor bolt nut is screwed tightly.
The long-arm nut reinforcing device 9 is used for fastening the anchor bolt nut 8 on the steel pipe column, the bottom of the long-arm nut reinforcing device is a circular sleeve 14 with the thickness of 20mm, the inner shape of the sleeve 14 is consistent with that of the upper anchor bolt nut 8, and the upper part of the sleeve is
The long steel pipe 15, the top vertical direction leaves 20 mm's round hole 10, and upper and lower interval 100mm, lower hole apart from last rag bolt nut 8's length be 1600mm, and in the drill rod 11 inserted the round hole 10, constructor can carry out the fastening of last rag bolt nut 8 under the condition of standing. Because the short column reinforcing steel bars 2 of the steel pipe column footing are reserved, the normal method is very difficult to fasten, and the long-arm nut reinforcing device 9 is used for fastening the foundation bolt nuts 8 on the steel pipe column, so that the steel pipe column footing reinforcing device is convenient and quick, and time and labor are saved.
After the foundation bolt nut 8 on the steel pipe column is fastened, the lifting hook 22 is put down, the steel pipe column lifting ring 16 falls down by self gravity, and the steel pipe column lifting ring is manually dismantled.
6) C40 grouting material is adopted to carry out secondary grouting under the bottom plate of the steel pipe column, and gaps at the bottom of the steel pipe column are filled.
After adjusting steel-pipe column footing short column reinforcing bar 2, adopt C40 grout 12 to carry out the secondary to the lower part of steel-pipe column bottom plate 6 and pour into, grout 12 makes level naturally, naturally closely knit.
7) And the short column 13 of the steel pipe column footing is encapsulated and supported by a shaping template.
The supporting of template 23 is carried out after steel pipe column footing short column reinforcing bar 2 ligature, makes the design template according to the size of steel pipe column footing short column 13, and the dismouting is fast, and work efficiency is high.
And after the steel bars 2 and the templates 23 of the steel pipe column footing short column are inspected to be qualified, pouring concrete of the steel pipe column footing short column 13. And (3) after the concrete of the steel pipe column footing short column 13 reaches a certain strength, paint repairing and painting the steel pipe column 7.
Claims (3)
1. A steel pipe column installation method comprises the steps of embedding steel pipe column foundation bolts, hoisting the steel pipe column, fastening nuts of the steel pipe column foundation bolts, secondarily pouring concrete at the bottom of the steel pipe column, and encapsulating a short column of the steel pipe column foundation bolts; the method is characterized by specifically comprising the following steps:
1) the foundation bolt of the steel pipe column adopts double-layer nuts, the upper part and the lower part of a bottom plate of the steel pipe column are respectively provided with one nut, the lower part of the nut controls the elevation, and the upper part of the nut is used for fastening;
2) hoisting the steel pipe column: installing a steel pipe column hoisting ring on the steel pipe column, and hanging the steel pipe column hoisting ring by using a lifting hook of a crane to hoist the steel pipe column;
3) nuts of the foundation bolts of the steel pipe columns are fastened by long-arm nut stiffeners;
4) c40 grouting material is adopted to perform secondary grouting under the bottom plate of the steel pipe column to fill the gap at the bottom of the steel pipe column;
5) the short column of the steel pipe column footing is encapsulated and supported by a shaping template.
2. The method of installing a steel pipe column as claimed in claim 1, wherein the long arm nut reinforcement means in the step 2) comprises a long steel pipe, a drill steel, and a sleeve fixed to one end of the long steel pipe, wherein an inner hole of the sleeve has a shape corresponding to that of an anchor bolt nut, wherein a circular hole having a diameter larger than that of the drill steel is formed at the other end of the long steel pipe, and wherein the length of the long steel pipe is longer than the height of the short steel bar of the anchor, the long steel pipe is longitudinally inserted into the anchor bolt, the anchor bolt nut is fitted over the sleeve, the drill steel is inserted into the circular hole of the long steel pipe, and the anchor bolt nut is tightened.
3. The steel pipe column installation method according to claim 1, wherein the steel pipe column hanging ring comprises two semicircular hanging rings and two U-shaped buckles, the two semicircular hanging rings are buckled on the steel pipe column, two sides of the steel pipe column are connected through the U-shaped buckles, and steel wire ropes penetrate into the U-shaped buckles and are used for hanging lifting hooks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011277734.6A CN112523591A (en) | 2020-11-16 | 2020-11-16 | Steel pipe column installation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011277734.6A CN112523591A (en) | 2020-11-16 | 2020-11-16 | Steel pipe column installation method |
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| Publication Number | Publication Date |
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| CN112523591A true CN112523591A (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011277734.6A Pending CN112523591A (en) | 2020-11-16 | 2020-11-16 | Steel pipe column installation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116411721A (en) * | 2023-04-27 | 2023-07-11 | 中国二十二冶集团有限公司 | Installation method of right angle square steel pipe column |
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| CN110629932A (en) * | 2019-08-22 | 2019-12-31 | 成都建工第二建筑工程有限公司 | High-rise steel pipe concrete composite column construction method |
| CN211414945U (en) * | 2019-11-05 | 2020-09-04 | 中国石油天然气股份有限公司 | wrench |
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2020
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201943191U (en) * | 2011-01-26 | 2011-08-24 | 北京赛博思建筑设计有限公司 | Novel cold-bent rectangular steel pipe column assembled pedestal |
| US20140356058A1 (en) * | 2011-12-28 | 2014-12-04 | Research Institute Of Industrial Science & Technology | Steel pipe socket and method of connecting steel pipe pile and steel pipe column using the same |
| CN103061249A (en) * | 2012-12-29 | 2013-04-24 | 青岛海德路桥工程股份有限公司 | Quick positioning construction device and construction method for steel-pipe column of bridge |
| KR20160000702A (en) * | 2014-06-25 | 2016-01-05 | (주)바로건설기술 | Fastening member used in concrete filled steel tube and its using concrete filled steel tube mounting structure and method and its includes build underground structure and method |
| CN204355957U (en) * | 2014-12-04 | 2015-05-27 | 成都杰森输配设备实业有限公司 | A kind of novel pipeline anchor ear lifting connection structure |
| CN104674945A (en) * | 2015-03-09 | 2015-06-03 | 中国建筑第八工程局有限公司 | Tree-shaped steel pipe column structure and construction method thereof |
| CN204546388U (en) * | 2015-04-20 | 2015-08-12 | 国家电网公司 | The Quick fastening spanner used in table case installation process |
| CN206844795U (en) * | 2017-06-19 | 2018-01-05 | 中国化学工程第三建设有限公司 | A kind of steel structure column installs centering base construction |
| CN110629932A (en) * | 2019-08-22 | 2019-12-31 | 成都建工第二建筑工程有限公司 | High-rise steel pipe concrete composite column construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116411721A (en) * | 2023-04-27 | 2023-07-11 | 中国二十二冶集团有限公司 | Installation method of right angle square steel pipe column |
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Application publication date: 20210319 |