KR20160067056A - The tower crane reinforced concrete lower support structure and construction method - Google Patents

The tower crane reinforced concrete lower support structure and construction method Download PDF

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Publication number
KR20160067056A
KR20160067056A KR1020150171516A KR20150171516A KR20160067056A KR 20160067056 A KR20160067056 A KR 20160067056A KR 1020150171516 A KR1020150171516 A KR 1020150171516A KR 20150171516 A KR20150171516 A KR 20150171516A KR 20160067056 A KR20160067056 A KR 20160067056A
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KR
South Korea
Prior art keywords
tower crane
base
frame
ground
support structure
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KR1020150171516A
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Korean (ko)
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KR101910844B1 (en
Inventor
최동섭
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주식회사 씨에스콘텍
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    • 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
    • E02D27/44—Foundations for machines, engines or ordnance
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/0007—Production methods using a mold
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0004—Synthetics
    • E02D2300/0018—Cement used as binder
    • E02D2300/002—Concrete

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a construction method for installing a support for supporting a lower portion of a tower crane, and more particularly, to a construction method for installing a support crane for supporting a tower crane, The present invention relates to a method of constructing a tower crane RC lower support which can easily install a tower crane by constructing and constructing a tower crane.
In addition, by distributing the load of the tower crane and facilitating installation and maintenance, stability of the ground contacting with the tower crane can be improved, and the lifetime of the tower crane used for a long period of time can be increased.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a tower crane RC lower support structure,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a construction method for constructing a support structure for dispersing a load applied to a lower portion of a tower crane, RC) to construct a tower crane RC lower support structure which can easily install a tower crane and distribute loads to support high strength.

In general, tower cranes are used as a means to lift and move workpieces from a construction site, such as a building, to a required location, and are used to construct high-rise buildings.

These tower cranes are generally installed higher than the number of buildings, and as the number of floors increases, the weight of the tower crane also increases as the height of the tower crane is increased. .

FIG. 1 is a plan view of a conventional tower crane foundation, in which the upper end of the base portion is flattened so that the weight of the tower crane also increases with the increase of the support frame to come into contact with the lower end of the tower crane The floor or slab receives the load of the tower crane intensively, so that the durability of the surface contacting the tower crane decreases with the accumulation of fatigue, and the stability of the ground is also lowered.

Further, the conventional tower crane has a problem that the strength of the supporting portion of the ground is weakened by installing the lower frame of the power crane on the ground.

The present invention has been devised in order to solve the above-described problems, and more particularly, it is an object of the present invention to improve the stability with the ground by dispersing the load generated at the lower end of the tower crane, And an object of the present invention is to provide a tower crane RC lower support structure and a construction method for facilitating installation and maintenance.

In order to achieve the above object, the present invention provides a method of constructing an RC lower support structure for dispersing a weight applied to a support portion of a tower crane T installed for high-rise building construction and improving stability with the support portion (A) a step of forming a predetermined depth on a ground surface of a construction site where the tower crane (T) is installed, and (b) a step of forming a plurality of (C) a step in which reinforcing rods are formed and laid so that the embedded pile columns C are laid vertically and the foundation part 100 is formed at the terra cotta site; (c) (D) the plurality of protrusions 300 are provided with a lower end portion of the tower crane T and a lower end portion of the tower crane T, (E) a step in which the diaphragm is installed to place the concrete in the periphery of the reinforcing bars to which the projecting portion 300 is formed and to be laid around; (g) disassembling the diaphragm when the concrete and the concrete are cured in an integrated manner, (h) dismantling the diaphragm when the concrete and the concrete are cured together, (h) A step of installing a frame of the tower crane in the plurality of coupling parts 400 is completed.

According to another preferred embodiment of the present invention, the base portion 100 includes a base support portion 110 to be formed in a lattice shape, and a reinforcing structure of the base support portion 110 at a predetermined position of the base support portion 110 And a vertical base part 130 formed at one end of the base supporting part 110 so as to be perpendicular to the ground and protruding by a predetermined height. .

According to another preferred embodiment of the present invention, an upper end portion of the base portion 100 is provided with a ground portion 200 (see FIG. 1) formed to have a predetermined thickness so as to prevent the base portion 100 from being exposed to the ground. ).

According to another preferred embodiment of the present invention, the protrusion 300 further includes an elastic frame F for absorbing a load of the tower crane T.

According to another preferred embodiment of the present invention, the elastic frame (F) is arranged in parallel and forms an interval between the upper frame and the lower frame, and is formed in a zigzag fashion between the upper frame and the lower frame And an elastic portion to which the elastic member is attached.

On the other hand, the description of the technology disclosed herein is merely an example for structural or functional explanation, and the scope of the right of the disclosed technology should not be construed as being limited by the embodiments described in the text. That is, the embodiments are to be construed as being variously embodied and having various forms, so that the scope of the disclosed technology should be understood to include equivalents capable of realizing technical ideas. Also, the purpose or effect of the disclosed technology should not be construed as being limited thereby, as it does not mean that a particular embodiment must include all such effects or merely include such effects.

Also, the meaning of the terms described in the present invention should be understood as follows. The terms "first "," second ", and the like are intended to distinguish one element from another, and the scope of the right should not be limited by these terms. For example, the first component may be referred to as a second component, and similarly, the second component may be referred to as a first component.

Further, when an element is referred to as being "connected" to another element, it should be understood that other elements may also be present in the middle, although it may be directly connected to the other element. On the other hand, when an element is referred to as being "directly connected" to another element, it should be understood that there are no other elements in between. On the other hand, other expressions describing the relationship between components, such as "between", "between" or "neighboring to" and "directly adjacent to" should be interpreted as well.

It should be understood that the singular " include "or" have "are to be construed as including a stated feature, number, step, operation, component, It is to be understood that the combination is intended to specify that it does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

According to the present invention, the lower crane supporting structure and the construction method of the tower crane disperse the load applied to the supporting portion of the crane and facilitate the installation and maintenance, thereby improving the stability of the ground contacting the crane, The lifetime can be increased and the safety can be maintained.

1 shows a plan view of a conventional tower crane foundation
FIG. 2 is a view showing a construction method of a tower crane RC lower support structure according to the present invention.
Figure 3 is a corresponding illustration of the components of the protrusion of the tower crane RC lower support structure according to the invention
Figure 4 shows a perspective view of a tower crane RC lower support structure according to the present invention;
5 is a view showing a foundation portion of a tower crane RC lower support structure according to the present invention
Figure 6 is a plan view of a tower crane RC lower support structure in accordance with the present invention;
Figure 7 is a cross-sectional view of Figure 5 A of a tower crane RC lower support structure in accordance with the present invention;
8 is a perspective view of a tower crane RC lower support structure according to another embodiment of the present invention;

Hereinafter, the present invention will be described in more detail with reference to the preferred embodiments to which the present invention belongs.

FIG. 2 is a photograph showing a construction procedure of a tower crane RC lower support structure according to the present invention. In FIG. 2, (A) a step of forming a predetermined depth on a ground surface of a construction site where the tower crane (T) is installed, and (b) A step of vertically placing a plurality of embedded piles C at a predetermined position when the trenching is completed and forming a reinforcing bar in a grid so that the foundation 100 is formed at the trenching site; A step of projecting a reinforcing bar so that a plurality of projections 300 are formed by projecting a predetermined height from the ground on an upper end surface of the base part 100; A step of vertically forming a plurality of engaging portions 400 so as to be coupled with a lower end of the tower crane T in the projecting portion 300, (e) a step of forming the projecting portion 300, (C) installing a diaphragm so that the site concrete is poured into the concrete, (c) installing the diaphragm so that the site concrete is poured into the concrete, (e) (H) When the step (g) is completed, the frame is installed on the plurality of coupling parts 400, and the construction is performed.

Hereinafter, the constituent elements according to the present invention will be described in detail.

3 is a photograph showing an elastic frame F included in the protrusion 300. When a load of the tower crane T is generated, the elastic frame F is compressed or relaxed upward and downward, Is absorbed.

The elastic frame (F) is composed of an upper frame and a lower frame. The upper frame and the lower frame are formed in a thin plate shape, and are arranged so as to be parallel to the ground.

Generally, it is preferable to use a reinforcing bar made of a gold material. However, it is preferable to use a reinforcing bar made of a gold material to achieve the same purpose and function But it does not exclude that it is composed of different materials within the range that can be achieved.

FIG. 4 is a perspective view of a tower crane RC lower support structure according to the present invention, in which a base portion 100 is formed at an upper end of a base portion 100 having a predetermined thickness, The ground portion 200 having a predetermined thickness is formed so as to be prevented from being exposed to the outside.

A plurality of protrusions 300 are formed at predetermined positions on the upper surface of the ground section 200 so as to protrude upward by a predetermined length.

The projecting portion 300 is formed with a coupling portion 400 for coupling with a tower crane T. The coupling portion 400 is formed with a through hole to be coupled with the tower crane T. [

The base portion 100 is laid so that the reinforcing bars are formed into a lattice, and when the site concrete is laid, the lattice-shaped foundation supporting portion 11 is formed as shown in FIG.

A plurality of connection reinforcing parts 120 are installed at predetermined positions of the base supporting part 110 to reinforce the structure of the base supporting part 110. The connection reinforcing part 120 is generally made of H- However, it is not excluded to use sections of different shapes within the scope of achieving the same purpose and function.

A vertical base part 130 is formed at one end of the base supporting part 110 so as to be perpendicular to the ground surface and protruded upward by a predetermined height.

6 is a cross-sectional view taken along the line A of FIG. 6. Referring to FIG. 6, the coupling portion 400 is disposed on the upper side of the protrusion 300 And a through hole is formed at a central portion of the coupling portion 400 so as to be coupled to the tower crane T.

8 is a view illustrating another embodiment of the present invention. In the upper end of the protrusion 300, a plurality of sensing sensor units (not shown) are installed at the lower end of the tower crane T 500 are additionally formed.

The plurality of detection sensor units 500 detect data that has been measured through the detection sensor unit 500 as surrounding dangerous devices, for example, If an abnormality occurs in the tower crane (T) through an alarm device capable of generating light or sound, it is instantly transmitted to the alarm device to inform the field workers of the dangerous situation and the tower crane (T) It is possible to minimize the damage caused by human life.

When the detection sensor unit 500 exceeds the input value, the detection sensor unit 500 is configured to transmit the detected value to the danger detection device.

Meanwhile, the plurality of protrusions 300 formed at the step (c) are formed at predetermined intervals and protrude upward, and it is preferable that the protrusions 300 are formed in a generally rectangular block shape. However, The use of other shapes is not excluded to the extent that it is possible to achieve the above.

The construction of the high-rise building is progressed by using the tower crane T having the above-described structure. The load generated on the ground of the tower crane can be stably maintained by dispersing the plurality of projections 300, Since the frame of the tower crane is coupled using the unit 400, it is easy to replace and maintain the tower crane frame.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the present invention as defined by the following claims It will be possible to do so.

100: base part 200: ground part
300: protrusion 400:
500: detection sensor unit

Claims (5)

A method of constructing an RC lower support structure for dispersing a weight applied to a support portion of a tower crane (T) installed for the construction of a high-rise building and improving stability with the support portion,
(a) a step of forming a predetermined depth on a ground surface of a construction site where the tower crane (T) is installed,
(b) a plurality of embedded piles C are vertically laid at a predetermined position when the treading is completed, and a reinforcing bar is formed in a lattice such that the foundation 100 is formed at the tearing place step,
(c) placing a reinforcing bar on the upper end surface of the base part 100 so as to protrude from the ground by a predetermined height to form a plurality of protrusions 300,
(d) vertically forming a plurality of engaging portions 400 on the plurality of protrusions 300 so as to be engaged with a lower end of the tower crane T,
(e) installing a diaphragm in order to place the concrete in the periphery of the reinforcing bars to which the protrusions 300 are formed,
(f) a step in which the on-site concrete is laid when the step (e) is completed,
(g) disassembling the diaphragm when the field concrete and the reinforcing bar are cured together,
(h) installing the frame of the tower crane on the plurality of coupling portions (400) when the step (g) is completed. The method of claim 1, wherein
The base portion 100 includes a base support portion 110 formed in a lattice shape and a plurality of connection reinforcing portions 110a and 120b provided at predetermined positions of the base support portion 110 to reinforce the structure of the base support portion 110 And a vertical base part (130) formed at one side of the base supporting part (110) perpendicular to the ground and protruding by a predetermined height. 3. The method of claim 2,
And a ground portion 200 formed at an upper end of the base portion 100 to have a predetermined thickness so as to prevent the base portion 100 from being exposed to the ground. Lower support structure The method according to claim 1,
The tower crane lower support structure (300) further comprises an elastic frame (F) for absorbing the load of the tower crane (T) 5. The method of claim 4,
The elastic frame (F) is constituted by an elastic portion formed in parallel between the upper frame and the lower frame and spaced vertically between the upper frame and the lower frame. Tower crane RC lower support structure
KR1020150171516A 2014-12-03 2015-12-03 The tower crane reinforced concrete lower support structure and construction method KR101910844B1 (en)

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KR20140172516 2014-12-03
KR1020140172516 2014-12-03

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106223358A (en) * 2016-07-19 2016-12-14 中国化学工程第三建设有限公司 A kind of construction method serving as a contrast casing metal sheet cold box foundation
CN109577360A (en) * 2018-12-04 2019-04-05 江苏兴厦建设工程集团有限公司 A kind of derrick crane is inverse to make steel lattice column foundation construction method
CN110004969A (en) * 2019-04-22 2019-07-12 上海建工一建集团有限公司 A kind of tower-crane foundation structure
CN111058473A (en) * 2019-12-30 2020-04-24 朱夏武 Anti-seepage structure for tower crane foundation in basement bottom plate of building and construction method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200291983Y1 (en) * 2002-07-24 2002-10-12 (주) 통일전력 Foundation structure for steel tower
KR200400845Y1 (en) * 2005-08-25 2005-11-09 주식회사 호주 목조주택 A double truss type binders for reduce floor noise sounds

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106223358A (en) * 2016-07-19 2016-12-14 中国化学工程第三建设有限公司 A kind of construction method serving as a contrast casing metal sheet cold box foundation
CN109577360A (en) * 2018-12-04 2019-04-05 江苏兴厦建设工程集团有限公司 A kind of derrick crane is inverse to make steel lattice column foundation construction method
CN110004969A (en) * 2019-04-22 2019-07-12 上海建工一建集团有限公司 A kind of tower-crane foundation structure
CN111058473A (en) * 2019-12-30 2020-04-24 朱夏武 Anti-seepage structure for tower crane foundation in basement bottom plate of building and construction method
CN111058473B (en) * 2019-12-30 2021-05-07 朱夏武 Anti-seepage structure for tower crane foundation in basement bottom plate of building and construction method

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