KR20120055236A - Prefabricated strut connection structure - Google Patents

Prefabricated strut connection structure Download PDF

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Publication number
KR20120055236A
KR20120055236A KR1020100116854A KR20100116854A KR20120055236A KR 20120055236 A KR20120055236 A KR 20120055236A KR 1020100116854 A KR1020100116854 A KR 1020100116854A KR 20100116854 A KR20100116854 A KR 20100116854A KR 20120055236 A KR20120055236 A KR 20120055236A
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KR
South Korea
Prior art keywords
connection
brace
steel pipe
coupled
coupling
Prior art date
Application number
KR1020100116854A
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Korean (ko)
Inventor
김태섭
이규상
이진욱
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이진욱
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Filing date
Publication date
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Priority to KR1020100116854A priority Critical patent/KR20120055236A/en
Publication of KR20120055236A publication Critical patent/KR20120055236A/en

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • E02D17/04Bordering surfacing or stiffening the sides of foundation pits
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/06Foundation trenches ditches or narrow shafts
    • E02D17/08Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
    • E02D17/083Shoring struts
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00Geometrical or physical properties
    • E02D2200/16Shapes
    • E02D2200/1607Shapes round, e.g. circle

Abstract

The present invention relates to a prefabricated reinforcement connection structure, in the prefabricated reinforcement connecting structure coupled to the band is installed in the transverse direction toward the excavation ground on one side of the vertical steel continuously vertically joined in the earthen construction method, inclined direction or Circular steel pipe disposed in an orthogonal direction; A first reinforcing brace arranged in a straight line with the circular steel pipe and coupled to the band; A connecting jack positioned between the circular steel pipe and the first reinforcing brace and providing a coupling force through length extension; And a pair of firewood materials that are inclinedly coupled to the belt and the first reinforcing brace, and through this, the installation interval of the brace is widened by using a round steel pipe connected to the belt, and at the same time, the connection construction between the belt and the brace and its The bearing capacity of the connection can be increased.

Description

Prefabricated brace support structure {PREFABRICATED STRUT CONNECTION STRUCTURE}
The present invention relates to a prefabricated brace structure, more specifically, to use a brace beam circular steel pipe connected to the band length to increase the installation spacing of the brace and at the same time can increase the connection workability between the band and the circular steel pipe and its supporting portion A prefabricated brace connection structure.
In general, during the excavation of the ground for the construction of the structure, the temporary earthquake construction is carried out in the usual way to maintain the safety of the adjacent ground by preventing the earth collapse and suppressing displacement of the ground of the excavation.
In particular, the recent frequent construction of urban centers has resulted in the demand for settlement of adjacent ground due to the excavation of ground and the safety of surrounding buildings.
During construction of temporary earthquakes, vertical steels of H-beams shall be erected at random intervals, and multiple earth plates shall be inserted between the flanges of neighboring vertical steels to support the soil walls or rock walls, and at the same time, fix the vertical steels to the walls. In order to install the bands fixed to the wall in the transverse direction, and a number of braces across the bands, or to install the ground anchors fixed to the H-beams by the brackets to be constructed from the earth pressure. In addition, the connecting portion of the belt and braces may be combined with a separate firewood to increase the bearing capacity of the belt and braces.
However, since the support is made of H-shaped steel as described above, there is a difference in the rigidity in the vertical direction and the left-right direction due to the characteristics of the steel of the H-shaped steel. Due to the difference in stiffness along the axial direction, the reinforcement work for welding the reinforcing pieces in the weak axis direction is required.
Accordingly, in recent years, there has been disclosed an earthquake method for attaching a brace 12 made of a circular steel pipe to a strip 11 installed in a vertical steel 10, as shown in FIG. It was difficult to connect the joints and joints of the braces of the circular steel pipes and the bands of the H-beams, and the coupling with firewood was particularly troublesome. Accordingly, the spacing between the circular steel pipe 11 to be used as a brace can be densely installed at approximately 3 to 5 m, resulting in an increase in construction cost.
The present invention has been made to solve the above-described problems, the problem to be solved by the present invention is to use a brace bore circular steel pipe connected to the band, widen the installation interval of the brace and at the same time the connection construction between the band and the circular steel pipe and its connecting portion It relates to a prefabricated brace connection structure that can increase the bearing capacity of.
In the present invention, in order to solve the above problems, in the prefabricated structure connecting structure coupled to the band installed in the transverse direction toward the excavation ground on one side of the vertical steel continuously vertically indented in the earthen construction method,
A circular steel pipe disposed in the oblique or orthogonal direction to the belt long;
A first reinforcing brace arranged in a straight line with the circular steel pipe and coupled to the band;
A connecting jack positioned between the circular steel pipe and the first reinforcing brace and providing a coupling force through length extension; And
It provides a prefabricated reinforcement linking structure comprising a; and a pair of firewood material that is inclined coupled to the belt and the first reinforcement.
Here, each of the pair of firewood material is the firewood body, the first connection member is located at one end of the firewood body body and coupled to the band, and the other end of the firewood body is coupled to the first reinforcing brace And a second connecting member, wherein the first reinforcing brace and the first connecting member are bolted to the band through the fastening hole, and the second connecting member is to be bolted to the first reinforcing brace through the fastening hole. Can be.
In addition, the belt length and the first reinforcing brace is made of H-shaped steel, the first connecting member, the first coupling surface facing the flange of the belt length, is formed to be connected to the fire material body and the first coupling surface A second coupling surface spaced apart at an acute angle, and a pair of connection surfaces formed perpendicularly to both ends of the first and second coupling surfaces, respectively, wherein the second connection member is connected to the web of the first reinforcement brace. A pair of opposing first coupling surfaces, a second coupling surface connected to the burner body and spaced apart at an acute angle from the first coupling surface, and vertically connected to both ends of the first and second coupling surfaces, respectively; It may include a connection surface.
In addition, the fastening hole of the first connection member is formed in the first coupling surface is coupled to the flange of the strip and the first coupling surface of the first connection member, the coupling hole of the second connection member is a pair of It is formed on the connection surface can be coupled to the connecting surface of the flange of the first reinforcing brace and the second connecting member.
According to another aspect of the present invention,
In the prefabricated brace connection structure coupled to the band installed in the transverse direction toward the excavation ground on one side of the vertical steel continuously vertically entered in the construction method,
A circular steel pipe disposed in the oblique or orthogonal direction to the belt long;
First and second reinforcing braces spaced apart from each other at equal intervals from a central axis of the circular steel pipe in parallel with the circular steel pipe, and coupled to the bands;
A connection jack connected to one end of the circular steel pipe and providing a coupling force through length extension;
An intermediate member positioned between the first and second reinforcement braces and the connection jack to transfer the coupling force of the connection jacks to the first and second reinforcement braces; And
It provides a prefabricated reinforcement linking structure comprising a; and a pair of burner material that is inclinedly coupled to the first and second reinforcing braces and the strip.
Here, the intermediate member includes a connection jack support located in the center and the support portion is located on both sides of the connection jack support portion, respectively, the connection jack is coupled to the connection jack support portion, the first and second reinforcement support portion is the support portion Can be combined.
According to another aspect of the present invention,
In the prefabricated brace connection structure coupled to the band installed in the transverse direction toward the excavation ground on one side of the vertical steel continuously vertically entered in the construction method,
A circular steel pipe disposed in the oblique or orthogonal direction to the belt long;
First and second reinforcing braces spaced apart from each other at equal intervals from a central axis of the circular steel pipe in parallel with the circular steel pipe, and coupled to the bands;
First and second connection jacks respectively coupled to one ends of the first and second reinforcing braces and providing a coupling force through length extension;
An intermediate member positioned between the first and second connection jacks and the circular steel pipe to transfer the coupling force of the first and second connection jacks to the circular steel pipe; And
It provides a prefabricated reinforcement linking structure comprising a; and a pair of burner material that is inclinedly coupled to the first and second reinforcing braces and the strip.
Here, the intermediate member includes a steel pipe support part located at the center and connecting jack support parts respectively located on both sides of the steel pipe support part, the steel pipe support part is coupled to the circular steel pipe, and the first and second connection jacks are connected to the connection jack support part. Can be combined.
According to the present invention, by using a circular steel pipe as a brace, it is possible to widen the installation interval of the brace and at the same time, it is possible to provide a prefabricated brace connection structure that can distribute the load concentrated on the strip. In particular, it is possible to increase the workability of the joint portion between the circular steel pipe and the strip and to further increase the bearing capacity of the connection portion. That is, compared to the case of the brace made of a conventional round steel pipe, the horizontal installation interval can be increased approximately 2.5 times or more. Furthermore, there is an additional advantage that the assembly is assembled through the bolt, so that it is easy to assemble and dismantle and reuse. Therefore, by using the prefabricated support structure, it is possible to drastically improve the constructability of the retaining method to reduce air and reduce cost.
1 is an exemplary view of the entire construction of the earth retaining construction using a conventional circular steel pipe.
2 is a schematic structural diagram of a prefabricated brace connection structure according to an embodiment of the present invention.
3 is a schematic structural diagram of a prefabricated brace connection structure according to another embodiment of the present invention.
4 is a schematic structural diagram of a prefabricated brace connection structure according to another embodiment of the present invention.
5 is a graph comparing the horizontal installation interval of the brace according to the axial force.
Hereinafter, the present invention will be described in more detail with reference to preferred examples. However, these examples are intended to illustrate the present invention in more detail, it will be apparent to those skilled in the art that the scope of the present invention is not limited thereby.
Hereinafter, with reference to the accompanying drawings will be described in detail for the prefabricated ties support structure according to an embodiment of the present invention.
As shown in FIG. 2, the prefabricated brace connection structure according to the embodiment of the present invention is coupled to the belt 100 installed in the transverse direction toward the excavation ground on one side of the vertical steel continuously vertically joined in the earthquake method. As,
Circular steel pipe 110 is disposed in the oblique direction or orthogonal direction to the strip length (100);
A first reinforcement brace 120 disposed in a line with the circular steel pipe 110 and coupled to the strip 100;
A connection jack 130 positioned between the circular steel pipe 110 and the first reinforcing brace 120 to provide a coupling force through length extension; And
And a pair of firewoods 140 that are inclinedly coupled to the belt long 100 and the first reinforcement brace 120.
Referring to Figure 2, the prefabricated buttress joint structure according to the present invention can be fastened prefabricated to the strip 100 to be used in the earthen construction method, using a circular steel pipe 110 as a support and joints and joints with the strip It is devised to increase the constructability of the.
In the present invention, since the circular steel pipe 110 serves as a brace in the earth block construction method, it is possible to increase the stiffness of the brace as compared with the conventional H-beam, and consequently widen the horizontal spacing between the brace.
In order to easily couple the circular steel pipe 110 to the strip 100, there is provided a first reinforcing brace 120 is arranged in a straight line with the circular steel pipe (110).
The first reinforcing brace 120 is preferably made of H-shaped steel consisting of a pair of flanges (120a) and the web (120b) connecting them. In addition, both ends thereof are provided with a blocking plate 125 to be configured to be capable of fastening the bolt 100 and the connection jack 130 to be described later and bolts.
The reinforcement (S2) may be installed at the position of the strip 100 to which the first reinforcement bracket 120 is fastened to increase the structural rigidity of the strip.
A connection jack 130 for extending the length is mounted between the circular steel pipe 110 and the first reinforcing brace 120. The connection jack 130 may be fastened to the first reinforcement brace 120 and the circular steel pipe 110 and the bolt through the flange (f) installed at both ends. The connecting jack 130 extends the length in the same manner as a screw to support the belt, and serves to prevent bending and deformation of the belt.
Connection jack 130 may be coupled to the circular steel pipe through a flange (f) is installed at one end, for this purpose, the coupling plate (p) with a reinforcement may be installed at the end of the circular steel pipe (110).
As such, the circular steel pipe 110 used as the reinforcement can be easily coupled to the band using the first reinforcement brace 120, which is H-shaped steel, the first reinforcement brace 120 is coupled to the firewood to be described later Negative structural stiffness can be increased.
Firewood 140 is a member for increasing the supporting force of the joint portion of the strip 100 and the first reinforcement brace 120, it is preferable that a pair of symmetrical pairs are provided on both sides of the first reinforcement brace 120, respectively. .
Each of the pair of firewood materials is on the firewood body 141, the first connection member 142 which is located at one end of the firewood body and is coupled to the strip, and is located at the other end of the firewood body to the first reinforcement brace 120. It may include a second connecting member 143 to be coupled.
Firewood body 141 may be made of H-shaped steel, by installing a blocking plate at both ends of the first connection member 142 and the second connection member 143, welded or integrally coupled, or bolted to dismantle Can be configured to be possible.
The first connection member 142 is connected to the first coupling surface 142a facing the flange 100a of the strip 100, the burner body 141, and is spaced apart at an acute angle with the first coupling surface. It may include a second coupling surface 142b and a pair of connection surfaces 143c connected to both ends of the first and second coupling surfaces, respectively.
The first coupling surface 142a of the first connection member 142 may have a fastening hole formed at a position corresponding to the fastening hole 101 formed in the strip, and using a bolt B penetrating the fastening hole The ash 140 and the strip 100 may be assembled to be disassembled.
The second connecting member 143 is connected to the first coupling surface 143a and the burner body 141 facing the web 120b of the first reinforcement brace 120 and the first coupling surface 143a. It may include a second coupling surface 143b spaced apart at an acute angle, and a pair of connecting surfaces 143c formed perpendicularly to both ends of the first and second coupling surfaces, respectively.
The pair of connection surfaces 143c of the second connection member 143 may have a fastening hole h formed at a position corresponding to the fastening hole formed in the flange 120a of the first reinforcing brace 120. Fire bolt 140 and the first reinforcement brace 120 can be assembled using the bolt (B) penetrating through the disassembly.
Meanwhile, reinforcing members 142d and 143d may be further provided between the pair of connecting surfaces 142c and 143c to increase structural rigidity of the first connecting member 142 and the second connecting member 143.
Reinforcing materials (S1, S3) may be installed to reinforce the belt length at the position of the belt length 100 to which the first connection member 142 is fastened.
As described above, the prefabricated support structure according to the present invention can be easily connected to the band steel strip to increase the workability, and at the same time install the fire material on the connection portion with the band can improve the bearing capacity of the band. And, by using the bolt in the coupling method of firewood, the first reinforcing brace, connecting jacks and circular steel pipes, there is an advantage that easy assembly and disassembly and can be reused in the future.
Prefabricated brace connection structure according to another embodiment of the present invention, as shown in Figure 3, the circular steel pipe 110 is disposed in the oblique or orthogonal direction to the belt;
First and second reinforcing braces 120 and 120 ′ spaced at equal intervals from the central axis of the circular steel pipe in parallel with the circular steel pipe, and coupled to the bands;
A connection jack 130 connected to one end of the circular steel pipe and providing a coupling force through length extension;
An intermediate member 150 positioned between the first and second reinforcing braces and the connecting jack to transfer the coupling force of the connecting jacks to the first and second reinforcing braces; And
It includes; a pair of burner material 140 is inclined coupled to the first and second reinforcing braces and strips, respectively.
Referring to Figure 3, the prefabricated support structure according to another embodiment of the present invention is similar to the overall configuration shown in Figure 3, but can be applied under conditions that require greater bearing capacity depending on the excavation scale or ground conditions It consists of two reinforcement braces.
That is, the first reinforcement brace 120 and the second reinforcement brace 120 'is spaced apart from each other between the connecting jack 130 and the strip 100, the center axis of the circular steel pipe, the large size of the circular steel pipe or high specifications It is suitable to secure the bearing capacity of the band using the connecting jack.
Hereinafter, a description will be given focusing on structurally different parts from the connection structure shown in FIG. 2.
An intermediate member 150 is included to transfer the coupling force provided from the connecting jack 130 to the two reinforcing braces described above.
The intermediate member 150 may be made of H-shaped steel, and may be coupled to the connecting jack 130 and the first and second reinforcing braces 120 and 120 'through a pair of flanges 150a facing each other. That is, the intermediate member 150 includes a connection jack support 151 located in the center and a support portion 152 positioned on both sides of the connection jack support, respectively, the connection jack is coupled to one surface of the connection jack support, and on one surface of the support portion. The first and second reinforcement braces can be combined. In addition, the reinforcing member S4 may be installed at the position of the intermediate member to which the connection jack 130 is coupled to reinforce the intermediate member.
A fastening hole 155 may be formed in the flange of the intermediate member 150, and the first and second reinforcing braces and the connecting jacks are each bolted through the fastening hole, so that assembly and disassembly may be easily performed.
Prefabricated brace connection structure according to another embodiment of the present invention, as shown in Figure 4, the circular steel pipe 110 is disposed in the oblique or orthogonal direction to the band;
First and second reinforcing braces 120 and 120 ′ spaced at equal intervals from the central axis of the circular steel pipe in parallel with the circular steel pipe, and coupled to the bands;
First and second connecting jacks 130 and 130 'coupled to one ends of the first and second reinforcing braces, respectively, to provide a coupling force through length extension;
An intermediate member 150 positioned between the first and second connection jacks and the circular steel pipe to transmit the coupling force of the first and second connection jacks to the circular steel pipe; And
It includes; a pair of burner material 140 is inclined coupled to the first and second reinforcing braces and strips, respectively.
Referring to Figure 4, prefabricated reinforcement structure according to another embodiment of the present invention is similar in that it uses the connecting structure shown in Figure 3 and two reinforcing braces, the dimensions of the circular steel pipe by using two connecting jacks Alternatively, there is an advantage in that the connection structure can be configured according to various specifications of the connection jack.
To this end, one end of each reinforcing brace is connected to the coupling jack, respectively, and the intermediate member 150 to transfer the coupling force of the first connecting jack 120 and the second connecting jack 120 'substantially uniformly to the circular steel pipe 110. Included.
Hereinafter, a description will be given focusing on a different part from the connection structure shown in FIG. 3.
The intermediate member 150 may be made of H-shaped steel, and may be coupled to the circular steel pipe 110 and the first and second connection jacks 130 and 130 'through a pair of facing flanges, respectively. That is, the intermediate member 150 includes a steel pipe support 153 located in the center and a connecting jack support 154 located on both sides of the steel pipe support, respectively, wherein the circular steel pipe is coupled to the steel pipe support, and the first and the connecting jack support are connected to each other. The second connection jack may be combined. In addition, reinforcing members S5 and S6 may be installed at positions of the intermediate members 150 to which the connection jacks 130 and 130 'are coupled to reinforce the intermediate members.
A fastening hole 155 may be formed in the flange of the intermediate member 150, and the circular steel pipe and the first and second connection jacks may be bolted to each other to facilitate assembly and disassembly.
5 is a graph comparing the horizontal installation interval according to the axial force obtained through the member analysis in the prefabricated brace connection structure and the brace shown in Figure 1 according to an embodiment of the present invention shown in FIG.
The round steel pipes used in Examples and Comparative Examples had a diameter of 406.4 mm and a thickness of 7 mm, the length of which was 10 m in the comparative example and approximately 8.6 m in the example. The first reinforcement brace and the firewood material of the embodiment is H-shaped steel of 300 × 300 × 10 × 15 size, the length of the first reinforcement brace is about 1.4m, the length of the firewood material is 2m, and the firewood material is coupled with the band at an angle of 45 degrees. Assumed.
As shown in Figure 5, in the case of using a circular steel pipe of the same size as a brace, when using the prefabricated brace assembly according to the present invention it is possible to extend the horizontal installation interval of about 2.5 times or more, thereby improving the workability and cost reduction It can be seen that can be achieved.
It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (8)

  1. In the prefabricated brace connection structure coupled to the band is installed in the transverse direction toward the excavation ground on one side of the vertical steel continuously vertically indented in the construction method,
    A circular steel pipe disposed in the oblique or orthogonal direction to the belt long;
    A first reinforcing brace arranged in a straight line with the circular steel pipe and coupled to the band;
    A connecting jack positioned between the circular steel pipe and the first reinforcing brace and providing a coupling force through length extension; And
    A prefabricated brace connection structure comprising a; and a pair of burner material that is inclined coupled to the belt and the first reinforcing brace.
  2. The method of claim 1,
    Each of the pair of firewood materials is a firewood body, a first connection member positioned at one end of the firewood body and coupled to the strip, and a second end positioned at the other end of the firewood body and coupled to the first reinforcing brace. Including a connecting member,
    The first reinforcing brace and the first connection member is bolted to the belt through the fastening hole, the second connection member is prefabricated brace connection structure, characterized in that the bolt is fastened to the first reinforcing brace through the fastening hole .
  3. The method of claim 2,
    The band-length and the first reinforcing brace is made of H-shaped steel,
    The first connection member, the first coupling surface facing the flange of the strip, the second coupling surface formed to be connected to the burner body and spaced apart at an acute angle with the first coupling surface, and the first, second It includes a pair of connecting surfaces formed perpendicular to the both ends of the coupling surface,
    The second connection member, the first coupling surface facing the web of the first reinforcing brace, the second coupling surface formed to be connected to the burner body and spaced apart at an acute angle with the first coupling surface, and the first 1, 2 prefabricated connecting structure comprising a pair of connecting surfaces formed perpendicularly to both ends of the coupling surface, respectively.
  4. The method of claim 3,
    The fastening hole of the first connection member is formed in the first coupling surface is coupled to the flange of the belt-length and the first coupling surface of the first connection member,
    The fastening hole of the second connection member is formed in the pair of connection surface prefabricated structure connecting structure, characterized in that the coupling surface of the flange and the second connection member of the first reinforcement brace.
  5. In the prefabricated brace connection structure coupled to the band installed in the transverse direction toward the excavation ground on one side of the vertical steel continuously vertically entered in the construction method,
    A circular steel pipe disposed in the oblique or orthogonal direction to the belt long;
    First and second reinforcing braces spaced apart from each other at equal intervals from a central axis of the circular steel pipe in parallel with the circular steel pipe, and coupled to the bands;
    A connection jack connected to one end of the circular steel pipe and providing a coupling force through length extension;
    An intermediate member positioned between the first and second reinforcement braces and the connection jack to transfer the coupling force of the connection jacks to the first and second reinforcement braces; And
    The first and second reinforcing brace and prefabricated brace connection structure comprising a;
  6. The method of claim 5,
    The intermediate member includes a connection jack support located in the center and the support portion located on both sides of the connection jack support, respectively,
    The connecting jack is coupled to the connection jack support portion, prefabricated linkage structure, characterized in that the first and second reinforcement brace is coupled to the brace support portion.
  7. In the prefabricated brace connection structure coupled to the band installed in the transverse direction toward the excavation ground on one side of the vertical steel continuously vertically entered in the construction method,
    A circular steel pipe disposed in the oblique or orthogonal direction to the belt long;
    First and second reinforcing braces spaced apart from each other at equal intervals from a central axis of the circular steel pipe in parallel with the circular steel pipe, and coupled to the bands;
    First and second connection jacks respectively coupled to one ends of the first and second reinforcing braces and providing a coupling force through length extension;
    An intermediate member positioned between the first and second connection jacks and the circular steel pipe to transfer the coupling force of the first and second connection jacks to the circular steel pipe; And
    The first and second reinforcing brace and prefabricated brace connection structure comprising a;
  8. The method of claim 7, wherein
    The intermediate member includes a steel pipe supporter located in the center and a connecting jack supporter respectively located on both sides of the steel pipe supporter.
    Circular steel pipe is coupled to the steel pipe support portion, prefabricated linkage structure, characterized in that the first and second connection jack is coupled to the connection jack support.
KR1020100116854A 2010-11-23 2010-11-23 Prefabricated strut connection structure KR20120055236A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101329440B1 (en) * 2013-04-22 2013-11-14 주식회사 포스코 Steel pipe strut having an enclosure connector
KR101525823B1 (en) * 2014-02-03 2015-06-09 (주)보운이피씨 Waling and reinforcement apparatus comprising the same
CN106638612A (en) * 2015-10-28 2017-05-10 上海十三冶建设有限公司 Simple foundation pit supporting system and construction method thereof
CN108222016A (en) * 2018-02-01 2018-06-29 中纬建设工程有限公司 A kind of support element of deep foundation pit fender post
KR20180092499A (en) * 2017-02-09 2018-08-20 주식회사 강구토건 supporting system for strut using wale girders with plural row
KR20190105939A (en) * 2018-03-07 2019-09-18 (주)핸스 Connection member for strut connection device and strut connection device having the same
EP3680392A1 (en) 2019-01-14 2020-07-15 Key Staal B.V. Assembly of a waling beam and a coupling piece

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101329440B1 (en) * 2013-04-22 2013-11-14 주식회사 포스코 Steel pipe strut having an enclosure connector
KR101525823B1 (en) * 2014-02-03 2015-06-09 (주)보운이피씨 Waling and reinforcement apparatus comprising the same
CN106638612A (en) * 2015-10-28 2017-05-10 上海十三冶建设有限公司 Simple foundation pit supporting system and construction method thereof
CN106638612B (en) * 2015-10-28 2019-06-14 上海十三冶建设有限公司 Simple foundation pit support system and its construction method
KR20180092499A (en) * 2017-02-09 2018-08-20 주식회사 강구토건 supporting system for strut using wale girders with plural row
CN108222016A (en) * 2018-02-01 2018-06-29 中纬建设工程有限公司 A kind of support element of deep foundation pit fender post
KR20190105939A (en) * 2018-03-07 2019-09-18 (주)핸스 Connection member for strut connection device and strut connection device having the same
EP3680392A1 (en) 2019-01-14 2020-07-15 Key Staal B.V. Assembly of a waling beam and a coupling piece
NL2022395B1 (en) * 2019-01-14 2020-08-14 Key Staal B V Assembly of a purlin beam and a coupling piece

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