CN111608463A - Steel pipe concrete tower column construction method - Google Patents
Steel pipe concrete tower column construction method Download PDFInfo
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- CN111608463A CN111608463A CN202010454988.4A CN202010454988A CN111608463A CN 111608463 A CN111608463 A CN 111608463A CN 202010454988 A CN202010454988 A CN 202010454988A CN 111608463 A CN111608463 A CN 111608463A
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- Prior art keywords
- concrete
- steel pipe
- knocking
- vibrating
- construction method
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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
- E04H12/02—Structures made of specified materials
- E04H12/12—Structures made of specified materials of concrete or other stone-like material, with or without internal or external reinforcements, e.g. with metal coverings, with permanent form elements
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/06—Solidifying concrete, e.g. by application of vacuum before hardening
- E04G21/063—Solidifying concrete, e.g. by application of vacuum before hardening making use of vibrating or jolting tools
- E04G21/068—Solidifying concrete, e.g. by application of vacuum before hardening making use of vibrating or jolting tools acting upon the reinforcement
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/06—Solidifying concrete, e.g. by application of vacuum before hardening
- E04G21/08—Internal vibrators, e.g. needle vibrators
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention relates to a construction method of a steel pipe concrete tower column, which comprises the following steps: erecting a steel pipe at a position required by a user; injecting concrete into the opening at the upper end of the steel pipe to form a concrete layer, vibrating the concrete layer by using a vibrating rod, moving a plurality of circles around the periphery of the steel pipe, selecting a plurality of knocking points on the periphery of the steel pipe for each circle, and knocking for a plurality of times at each knocking point; step three: and repeating for a plurality of times when the relative height between the surface of the middle concrete layer and the opening at the upper end of the steel pipe is stable until the concrete is filled in the steel pipe, and obtaining the concrete-filled steel pipe tower column after the concrete is solidified. By adopting the technical scheme provided by the invention, the concrete cannot be attached to the inner wall of the steel pipe and falls into the steel pipe by combining the vibrating concrete and the method of knocking the outer peripheral surface of the steel pipe by the mallet, and the air in the concrete completely escapes through the vibration of the vibrating rod, so that the aim of solidifying and compacting the concrete is fulfilled, and the construction quality is improved.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a construction method of a concrete filled steel tube tower column.
Background
A steel tube concrete tower column is a novel building supporting structure, which is a composite structure that concrete is filled in a vertical steel tube, and the concrete and the steel tube are connected into a whole after the concrete is condensed, and the steel tube concrete tower column is widely applied to various building projects at present, and has the advantages of high strength, light weight, good plasticity, fatigue resistance, good impact resistance and the like, however, in the construction process of the steel tube concrete tower column, the pouring quality of the concrete has great influence on the integral structural strength and bearing capacity of the steel tube concrete tower column, in order to improve the pouring quality of the concrete, the concrete must be fully and compactly filled in the steel tube, in the prior art, the pumping jacking pouring method and manual pouring method are generally adopted for the construction of the steel tube concrete tower column, the pumping jacking pouring method is to connect a delivery pump at the lower opening of the steel tube, and the concrete is delivered out through the delivery pump, the concrete is filled with the steel pipes from bottom to top under the condition of proper pressure output by the delivery pump, and the concrete is mutually extruded under the influence of self gravity in the ascending process, so that the aim of filling and compacting is fulfilled; the manual casting and tamping method is to inject concrete into the opening at the upper end of the steel pipe, and the concrete is vibrated by the vibrating rod while being injected, so that air in the concrete escapes, and the effect of tightly filling the concrete is achieved.
Disclosure of Invention
In order to solve the technical problem, the invention provides a construction method of a steel pipe concrete tower column.
The invention provides a construction method of a steel pipe concrete tower column, which comprises the following steps:
the method comprises the following steps: erecting a steel pipe at a position required by a user;
step two: pouring concrete into the opening at the upper end of the steel pipe to form a concrete layer, vibrating the concrete layer by using a vibrating rod, moving a plurality of circles around the periphery of the steel pipe, selecting a plurality of knocking points on the periphery of the steel pipe for each circle, and knocking for a plurality of times at each knocking point;
step three: and repeating the step two for a plurality of times when the relative height between the surface of the concrete layer and the opening at the upper end of the steel pipe in the step two is stable until the concrete is filled in the steel pipe, and obtaining the concrete filled steel pipe tower column after the concrete is solidified.
The number of the concrete layers is at least three.
And in the second step, concrete is injected from the opening at the upper end of the steel pipe to form a concrete layer, and the thickness of each concrete layer is 1.5-2.5 m.
And in the second step, vibrating the concrete layer by using a vibrating rod, wherein the vibrating time is not less than 60s each time.
And in the second step, vibrating the concrete layer by using a vibrating rod, wherein the insertion depth of the vibrating rod is 60-80% of the thickness of the concrete layer each time.
And in the second step, the vibrating rod is made of metal.
And in the second step, the knocking means that a mallet is adopted to knock the outer peripheral surface of the steel pipe.
In the second step, the number of moving circles around the periphery of the steel pipe is at least three, the number of selected knocking points on the periphery of the steel pipe in each circle is at least 6, and the number of knocking times at each knocking point is at least 3.
The invention has the beneficial effects that: by adopting the technical scheme provided by the invention, when concrete is injected into the steel pipe, the concrete is vibrated and the mallet is used for knocking the peripheral surface of the steel pipe, so that the concrete cannot be attached to the inner wall of the steel pipe and falls into the steel pipe, and air in the concrete is completely escaped through vibration of the vibrating rod, thereby achieving the purpose of solidifying and compacting the concrete.
Drawings
FIG. 1 is a flow chart of the construction process of the present invention.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings, but the claimed protection scope is not limited thereto;
the invention provides a construction method of a steel pipe concrete tower column, which comprises the following steps as shown in figure 1:
the method comprises the following steps: erecting a steel pipe at a position required by a user; preferably, the outer diameter of the steel pipe is larger than 350 mm.
Step two: pouring concrete into the opening at the upper end of the steel pipe to form a concrete layer, vibrating the concrete layer by using a vibrating rod, moving a plurality of circles around the periphery of the steel pipe, selecting a plurality of knocking points on the periphery of the steel pipe for each circle, and knocking for a plurality of times at each knocking point; further, it is preferable that the number of the concrete layers is at least three. And in the second step, concrete is injected from the opening at the upper end of the steel pipe to form a concrete layer, and the thickness of each concrete layer is 1.5-2.5 m. And in the second step, vibrating the concrete layer by using a vibrating rod, wherein the vibrating time is not less than 60s each time. And in the second step, vibrating the concrete layer by using a vibrating rod, wherein the insertion depth of the vibrating rod is 60-80% of the thickness of the concrete layer each time. And in the second step, the vibrating rod is made of metal. And in the second step, the knocking means that a mallet is adopted to knock the outer peripheral surface of the steel pipe. In the second step, the number of moving circles around the periphery of the steel pipe is at least three, the number of selected knocking points on the periphery of the steel pipe in each circle is at least 6, and the number of knocking times at each knocking point is at least 3.
Step three: and repeating the step two for a plurality of times when the relative height between the surface of the concrete layer and the opening at the upper end of the steel pipe in the step two is stable until the concrete is filled in the steel pipe, and obtaining the concrete filled steel pipe tower column after the concrete is solidified.
By adopting the technical scheme provided by the invention, when concrete is injected into the steel pipe, the concrete is vibrated and the mallet is used for knocking the peripheral surface of the steel pipe, so that the concrete cannot be attached to the inner wall of the steel pipe and falls into the steel pipe, and air in the concrete is completely escaped through vibration of the vibrating rod, thereby achieving the purpose of solidifying and compacting the concrete.
Claims (8)
1. A construction method of a steel pipe concrete tower column is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: erecting a steel pipe at a position required by a user;
step two: pouring concrete into the opening at the upper end of the steel pipe to form a concrete layer, vibrating the concrete layer by using a vibrating rod, moving a plurality of circles around the periphery of the steel pipe, selecting a plurality of knocking points on the periphery of the steel pipe for each circle, and knocking for a plurality of times at each knocking point;
step three: and repeating the step two for a plurality of times when the relative height between the surface of the concrete layer and the opening at the upper end of the steel pipe in the step two is stable until the concrete is filled in the steel pipe, and obtaining the concrete filled steel pipe tower column after the concrete is solidified.
2. A concrete filled steel tubular tower construction method according to claim 1, wherein: the number of the concrete layers is at least three.
3. A concrete filled steel tubular tower construction method according to claim 1, wherein: and in the second step, concrete is injected from the opening at the upper end of the steel pipe to form a concrete layer, and the thickness of each concrete layer is 1.5-2.5 m.
4. A concrete filled steel tubular tower construction method according to claim 1, wherein: and in the second step, vibrating the concrete layer by using a vibrating rod, wherein the vibrating time is not less than 60s each time.
5. A concrete filled steel tubular tower construction method according to claim 1, wherein: and in the second step, vibrating the concrete layer by using a vibrating rod, wherein the insertion depth of the vibrating rod is 60-80% of the thickness of the concrete layer each time.
6. A concrete filled steel tubular tower construction method according to claim 1, wherein: and in the second step, the vibrating rod is made of metal.
7. A concrete filled steel tubular tower construction method according to claim 1, wherein: and in the second step, the knocking means that a mallet is adopted to knock the outer peripheral surface of the steel pipe.
8. A concrete filled steel tubular tower construction method according to claim 1, wherein: in the second step, the number of moving circles around the periphery of the steel pipe is at least three, the number of selected knocking points on the periphery of the steel pipe in each circle is at least 6, and the number of knocking times at each knocking point is at least 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010454988.4A CN111608463A (en) | 2020-05-26 | 2020-05-26 | Steel pipe concrete tower column construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010454988.4A CN111608463A (en) | 2020-05-26 | 2020-05-26 | Steel pipe concrete tower column construction method |
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| Publication Number | Publication Date |
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| CN111608463A true CN111608463A (en) | 2020-09-01 |
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| CN202010454988.4A Pending CN111608463A (en) | 2020-05-26 | 2020-05-26 | Steel pipe concrete tower column construction method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5229051A (en) * | 1983-11-04 | 1993-07-20 | Perma-Post International, Inc. | Method for making sleeve encased concrete posts |
| CN103015717A (en) * | 2012-12-01 | 2013-04-03 | 中国建筑第七工程局有限公司 | Construction process for coating faced concrete outside ultrahigh steel tube column after floor is closed |
| CN106284688A (en) * | 2016-08-23 | 2017-01-04 | 中建八局第二建设有限公司 | Deformed steel tubing string reinforced concrete circle beam construction method |
| CN109138275A (en) * | 2018-10-22 | 2019-01-04 | 上海宝冶集团有限公司 | A kind of Construction of Steel Pipe Concrete Column method |
-
2020
- 2020-05-26 CN CN202010454988.4A patent/CN111608463A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5229051A (en) * | 1983-11-04 | 1993-07-20 | Perma-Post International, Inc. | Method for making sleeve encased concrete posts |
| CN103015717A (en) * | 2012-12-01 | 2013-04-03 | 中国建筑第七工程局有限公司 | Construction process for coating faced concrete outside ultrahigh steel tube column after floor is closed |
| CN106284688A (en) * | 2016-08-23 | 2017-01-04 | 中建八局第二建设有限公司 | Deformed steel tubing string reinforced concrete circle beam construction method |
| CN109138275A (en) * | 2018-10-22 | 2019-01-04 | 上海宝冶集团有限公司 | A kind of Construction of Steel Pipe Concrete Column method |
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Application publication date: 20200901 |
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