KR20170051951A - Connecting structure of supporting beam - Google Patents

Connecting structure of supporting beam Download PDF

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Publication number
KR20170051951A
KR20170051951A KR1020150153695A KR20150153695A KR20170051951A KR 20170051951 A KR20170051951 A KR 20170051951A KR 1020150153695 A KR1020150153695 A KR 1020150153695A KR 20150153695 A KR20150153695 A KR 20150153695A KR 20170051951 A KR20170051951 A KR 20170051951A
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South Korea
Prior art keywords
strut
wale
hook portion
band
coupled
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KR1020150153695A
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Korean (ko)
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최해곤
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최해곤
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Priority to KR1020150153695A priority Critical patent/KR20170051951A/en
Publication of KR20170051951A publication Critical patent/KR20170051951A/en

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/02—Foundation pits
    • E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/06—Foundation trenches ditches or narrow shafts
    • E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00—Miscellaneous
    • E02D2600/20—Miscellaneous comprising details of connection between elements

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Clamps And Clips (AREA)

Abstract

The length of the strut can be arbitrarily adjusted by adjusting the structure of the strut, and after the length of the strut is adjusted, the strut can be firmly assembled to the both strands using the hydraulic cylinder. After the assembly, To a strut connection structure which is improved in structure so that it can be taken out and reused in other construction sites.
The strand braid connecting structure according to the present invention comprises a strand braid to which both end portions are connected to a wale strip on one side and the other side which are provided on the earth retaining wall facing each other, And an inner strut bracket connected to the other strut via a second connecting plate having a first end coupled to the other end of the outer strut and being coupled to the other end of the outer strut, And moving means for moving the inner stranding tube to extend to the side of the other wale band and move it.

Description

{CONNECTING STRUCTURE OF SUPPORTING BEAM}

The present invention relates to a strut connection structure. In particular, it is possible to improve the structure of the strut and to adjust the length of the strut, and after the length of the strut is adjusted, the strut can be firmly assembled to both sides of the wale using a hydraulic cylinder, And the structure of the strut connection structure is improved so that the hydraulic cylinder can be taken out and reused in other construction sites after the assembly is completed.

In general, temporary earthwork is carried out as a conventional method to maintain the safety of the adjacent ground through the prevention of disintegration and displacement of the back surface of excavation during subway construction or construction of structures.

Especially, recently, as the construction near the downtown area is frequent, there is a demand for the settlement of the adjacent ground due to the excavation of the ground and the safety of the surrounding buildings. Accordingly, the importance of the temporary earth retaining construction is increasing.

Typically, when constructing a conventional subway construction or a basement of a building, a construction method is to drill a hole to the design depth along the planned plane and install a vertical file.

When the installation of the vertical file is completed, partial excavation is carried out, and a mold beam and a flat plate are installed. When the installation of the flat plate is completed, the subsequent work is repeated with the excavation work and the installation of the strut by the excavation being repeated.

Therefore, in order to design this hypothetical theory, it is necessary to repeatedly calculate the earth pressure and the load acting on the strut in each excavation stage, and install a strut to withstand the maximum value. In this design and construction, , And in most cases they are arranged very tightly within 2-3 m.

Such stranded strands are very important obstacles to transportation of construction materials, transportation of heavy equipment, and construction work in the field, and when the structure is later installed, there is a great obstacle to the work of formwork and reinforcing steel And it is inevitable that a large number of holes are formed in the structure, so serious problems are caused in the waterproofing of the completed underground structure.

As a vertical file, there is a method of using a concrete file to fill concrete after hole drilling, a method of using a steel file and a concrete file at the same time in parallel, or a method of using a sheet file, There is no major difference in the basic principle of supporting the ground load by piercing holes in the ground and forming a wall with piles.

There is also a method of using a pre-flex beam as a vertical file, and there is also a method of increasing the rigidity by attaching an H file to a sheet file.

On the other hand, there is a method of supporting a steel material file by using an earth anchor in the above-mentioned method without any stratum among the construction method for constructing an underground structure.

In this method, a tapered hole is drilled into the backside of the pile, and a steel wire or a steel rod is inserted, and the end of the inserted steel rod is fixed by a mechanical method, a chemical method such as epoxy or cement grouting, Thereby fixing the steel material file.

In this case, the construction method is advantageous in that the internal space can be sufficiently secured to improve the difficulty of construction.

However, the biggest disadvantage of this method is that when the above method is applied in a complex city, there is a lot of room for complaints because it almost invades neighboring private land, and the construction cost is low but it is rather dangerous.

In the region where the earth pressure is large, there is a problem that the strut of the double strut strut is warped to one side due to the load applied to the strut strut strut, which is not good for the temporary strut strut construction.

Accordingly, a method of increasing the stiffness of the double-span sprocket or connecting the sprockets of the double-spoke sprocket in parallel has been sought, but in such a case, there is a problem in that the sprocket is struck downward by the weight of the double sprocket sprocket

As a prior art related to the conventional strut, as disclosed in Korean Patent Registration No. 10-0586144 entitled " Stretch Support Jack Device and Stretch Support Structure Using It "(Registered on May 25, 2006), a gap between a wale band and a strut And a plurality of spacing holding members for holding the spacing between the wrist strap and the strut, wherein one end of the spacing holding member is fixed to the supporting connecting plate to be coupled to the wrist strap, Wow; A strut-bracket-side support member coupled to an end plate of the butt-joint and wrapping and supporting the other end of the gap-maintaining member in a state of being movable in a longitudinal direction of the strut; And a fixing member for holding the gap between the wrist strap and the strut by fixing the other end of the gap holding member while preventing the other end of the gap holding member from being moved; Wherein the brace side support member includes an engagement plate that is coupled to the end plate of the end brace end portion and is protruded from the engagement plate in the direction of the spacer member, And a cylindrical protruding support portion surrounding the gap retaining member; When the distance between the wale band and the strut is set to a predetermined value, the fixing member is moved in the direction of the axis of the holding member, And the other end of the gap holding member is fixed so as not to be inserted into the cylindrical protruding support portion so that the gap between the wale band and the strut is maintained so that the strut can support the wale band.

Other prior art related to conventional struts are disclosed in Korean Patent Laid-Open Publication No. 10-2015-0010422 entitled " anti-warp anti-warp strut for construction work ", published on Jan. 21, 2015, A slanting beam connected to a wale band of the earth retaining wall and connected to the wale band at one side and a slanting beam installed at both ends of the other side at a longitudinal end of the strut; And a tension line which is provided in the longitudinal direction of the strut and which applies a tension force to the strut to offset the eccentricity generated in the strut.

However, in the conventional strut braid structure, both ends of the strut are held in contact with the both side straps. However, bolt fastening is required for contact between the end of the strut and the belt. For this reason, drilling operation is not possible for the H beam strut. Holes are formed in the through holes to form bolt fastening holes. Therefore, since the band member heats the wrist band using oxygen firing, safety problems arise.

In addition, due to the effect of oxygen holes and oxygen vacancies, existing band zones can not be reused once they are used.

In addition, in the case where a reinforcing member for reinforcing both ends of the conventional strut is provided, there is a disadvantage in that the space occupies an inner space of the retention wall, resulting in a narrow space.

Since the length of the strut is fixed, it is used when the gap between the two strands is not suitable, or the length of the strut is extended by using a screw jack. However, when cutting the end of the strut, If a screw jack is used, a screw jack is required for each strand, which increases the cost of the construction.

Korean Patent Registration No. 10-0586144 entitled " Strapping Support Jack Device and Strap Supporting Structure Using It "(Registered on May 25, 2006) Korean Unexamined Patent Application Publication No. 10-2015-0010422 entitled " Anti-warp anti-shrink brace for construction of temporary retention structure "(published on January 28, 2015)

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and its object is to improve the structure of a strut so that the length of the strut can be arbitrarily adjusted. After the length of the strut is adjusted, The present invention provides a strut connection structure that can be firmly assembled to a wale, and after the assembly is completed, the hydraulic cylinder can be drawn out to be reused in other construction sites.

It is a further object of the present invention to provide a method of manufacturing a welt cord which does not penetrate a hole in a welt cord and which improves the connection structure so as not to form a through hole in the welt cord, And to provide a strut connection structure with improved structure.

It is still another object of the present invention to provide a strut connection structure improved in structure to improve a contact force between a wrist strap and a strut in order to increase a contact force between the wrist strap and the strut, thereby preventing a slip phenomenon of a contact portion.

In order to accomplish the above object, the present invention provides a strut boding machine comprising a strut bracket having opposite ends connected to a wale strip on one side and a wale strip on the other side of an earth retaining wall facing each other, An outer strut connected to the wrist strap, and an inner strut connected to the other strut via a second connecting plate, one end of the outer strut being coupled to the other end of the outer strut and being coupled to the other end, And moving means for detachably moving the inner stranded tube toward the other wale band side and moving the inner stranding tube.

The first connecting plate includes a first hook portion hooked to an inner side surface of one side of the band, a first hook portion extending to be bent from the upper side of the first hook portion and horizontally formed to be supported on one side surface of the wale band, A first contact portion extending downward from an end of the first latching portion and having one side in surface contact with the outer side surface of the wristband at one side thereof and a second contact portion protruding from the other side of the first contact portion, The second connecting plate has a second hook portion hooked to the inner side surface of the other band member and a second hook portion extending from the upper portion of the second hook portion so as to be bent and horizontally formed to be hooked on the side surface of the wale band on the other side A second contact portion extending downward from an end of the second engagement portion and having one side in surface contact with the outer side surface of the other wale, and a second contact portion projecting from the other side of the second contact portion, It is comprised of a second connecting portion that is coupled with the end of the inner beotimbo.

A plurality of support protrusions are formed on one side surface of the first and second contact portions, the support protrusions being narrowed toward the end portions.

The moving means includes a support pipe provided inside the outer strut and formed with a hollow and having a through hole to allow the hydraulic cylinder to be drawn in and out of the hollow, And a fixing nut fastened to an outer circumferential surface of the conveying shaft and interfering with an end of the supporting pipe to limit unidirectional movement of the conveying shaft.

The inner strand is composed of an H beam or a square pipe, and the outer strand is composed of a square pipe.

The inner strut and the outer strut are also formed as a circular pipe.

In the present invention, the inner strut is moved to the outer side of the outer strut so that the entire length of the strut can be adjusted. In addition, a strut is connected to the strut at one side and the other side by arbitrarily adjusting the length of the strut, 2 connecting plate is firmly assembled to the wale on one side and the other side, and can be taken out to be reused in other construction sites, thereby reducing the construction cost.

In addition, the present invention has an advantage that the connection state between the wrist strap and the strut can be prevented from being easily released by using the first and second connecting plates, in which the first and second fastening portions are hooked to the wrist straps on one side and the other side.

Further, according to the present invention, since the ends of the first and second connecting plates are hooked so as to be hooked on the inner surface of the strap, it is possible to prevent the strap and the strap from separating from each other, .

In addition, the first and second connecting plates of the present invention have the advantage that the supporting protrusions formed on the first and second contacting portions are embedded on the outer side surfaces of the wales on one side and the other side, so that the grounding force between the waleband and the strut can be improved.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a structural view showing an embodiment of a strut connection structure according to the present invention. FIG.
2 is a sectional view of Fig. 1;
3 is an assembled state view showing a state in which the strut brace is seated in a wristband according to the present invention.
4 is a state of use in which the inner strut is moved by the moving means of the present invention.
5 is a view showing a state after the hydraulic cylinder of the present invention is drawn out.
6 and 7 are a perspective view and a cross-sectional view showing another embodiment of the strut connection structure according to the present invention.
8 is a perspective view showing still another embodiment of the strut connection structure according to the present invention.

1 to 5, the strand braid connecting structure according to the present invention includes a strand braid 100 having both ends connected to one and the other wale straps 20A and 20B provided on the earth retaining wall 10 facing each other, The strut 100 includes an outer strut 110 connected to the wale 20A on one side via a first connecting plate 310 coupled to one end of the outer strut 110, And an inner strut 120 connected to the other strand 20B via a second connecting plate 320 coupled to the other strut so as to be able to project into the other strut, And moving means 400 for detachably moving the inner strand 120 to extend to the side of the other wale band 20B.

More specifically, referring to FIG. 1, the inner strut 120 is formed of H beams, and the outer strut 110, into which one end of the inner strut 120 is inserted, is formed of a square pipe.

That is, one end of the inner strut 120 is inserted into the outer strut 110 to be slidably coupled, and the other end of the inner strut 120 is formed in a cantilever shape. The other strut 20B is connected to the inner strut 120 through the second connecting plate 320, And is supported in a surface contact manner at the same time as it is caught by the retainer.

Referring to FIG. 2, the first connection plate 310 includes a first hook 311 hooked to the inner side of the wale band 20A, and a second hook 311 extending from the upper portion of the first hook 311 to be bent A first locking part 312 horizontally formed so as to be supported on a side of the wale band 20A on one side and a second locking part 312 extending downwardly from the end of the first locking part 312, A first connection portion 314 protruding from the other side of the first contact portion 314 and coupled with an end portion of the outer strut bracket 110 by a fastening member such as a bolt, 315).

The outer strut 110 has a space formed therein for inserting the inner strut 120 and has one end coupled to the first connecting portion 315 of the first connecting plate 310.

The first connection plate 310 is connected so that the first engagement portion 312 is hooked on the side surface of one wale band 20A when the first connection plate 310 is connected to the one wale band 20A and the first contact portion 314 is connected to the one wale band 20A, (20A).

The second connecting plate 320 includes a second hook portion 321 hooked to the inner side surface of the other wale band 20B and a second hook portion 321 extending from the upper portion of the second hook portion 321 so as to be bent, A second latching part 322 horizontally formed so as to be supported on an upper surface of the second wale part 322 and a second latching part 322 extending downward from the end of the second latching part 322 so as to be bent downward, And a second connection part 325 protruding from the other side of the second contact part 324 and coupled with an end of the internal strand bracket 120.

A plurality of support protrusions 330 protrude from one side (outer side) of the first and second contact portions 314 and 324.

The support protrusions 330 are formed in a trapezoidal cross-sectional structure at an end portion thereof and have a narrowed width toward an end portion thereof. When the support protrusions 330 are in surface contact with the outer side surfaces of the wale portions 20A and 20B of one side and the other side, The end portions of the respective support protrusions 330 are pressed against the outer side surfaces of the wale straps 20A and 20B on one side and the other side by pressure to increase the folding force to prevent the slip phenomenon.

The first and second hooks 311 and 321 are inserted into the first and second hooks 311 and 321 so that the ends of the first and second hooks 311 and 321 are in contact with the inner surfaces of the wales 20A and 20B. And 20B, which are provided on the rear side of the vehicle.

The moving means 400 is provided inside the outer strut 110 and has a hollow 412 formed therein and has a through hole 415 formed on the outer side thereof so as to allow the hydraulic cylinder 500 to be drawn into and drawn out of the hollow cylinder 412, And a connecting rod 425 having one end inserted into the hollow 412 of the supporting pipe 410 so as to be slidable and connected to an end of the inner strut 120 at the other end, And a fixing nut 430 which is fastened to the outer peripheral surface of the feed shaft 420 and interferes with the end of the support pipe 410 to limit the unidirectional movement of the feed shaft 420.

The feed shaft 420 is threaded on the outer circumferential surface to be fastened to the fixing nut 430.

In addition, the conveying shaft 420 is coupled so as to grasp the left and right side portions of the end side web of the inner strut braid 120, which is the H beam, at the other end.

The fixing nut 430 is composed of a double nut so that the state of engagement with the feed shaft 420 is not released.

The support pipe 410 is supported by the first connection portion 315 of the first connection plate 310 or integrally connected by welding or the like.

Here, the hydraulic cylinder 500 is described as an example, but an actuator such as a hydraulic jack capable of moving the inner strut 120 may be employed.

A through hole 114 corresponding to the through hole 415 of the support pipe 410 is formed in the outer strut 110 in order to pull in and out the hydraulic cylinder 500 disposed in the support pipe 410.

Reference numeral 112 denotes a work hole for an operator to perform a fastening operation of the fixing nut 430 from the outside of the outer strut 110. [

2, in the process of installing the strut 100 on one side and the other side wale 20A, 20B provided on the facing surface of the earth retaining wall 10 facing each other, The strut 120 is lowered from the upper side of the wale straps 20A and 20B on one side and the other side of the outer strut 110 to form the first and second hooks of the first and second connecting plates 310 and 320 311 and 321 are hooked on the inner side surfaces of the wale straps 20A and 20B on one side and the other side and the first and second latching parts 312 and 322 are hooked on the upper side of the wale straps 20A and 20B on one side and the other side .

Since the inner strut 120 is in a state in which the inner strut 120 can project into and out of the outer strut 110 without using the hydraulic cylinder 500, the entire length of the strut 100 is spaced apart from the interval between the wales 20A and 20B As shown in FIG.

3, after the first and second hook portions 311 and 321 are in surface contact with the inner side surfaces of the wale straps 20A and 20B on one side and the other side, the support bolts 350 are tightened so that the end portions of the first and second hook portions 311 and 321 And the two hook portions 311 and 321 are brought into contact with the inner side surfaces of the wale portions 20A and 20B on one side and the other side to prevent the wale band and the strut 100 from separating from each other.

Thereafter, as shown in FIG. 4, the moving means 400 is used to push the inner strut 120 to the other wale band 20B side.

The operation of the moving means 400 is performed by pulling the hydraulic cylinder 500 from the outside to the inside of the support pipe 410 through the drawing hole 114 and the through hole 415 and then moving the feeding shaft 420 to the inner strut 120 The inner strut 120 connected to the conveying shaft 420 is pressed against the wale band 20B of the other side via the connecting hole 425. [

The hydraulic movement force of the hydraulic cylinder 500 acts as a force to move the inner strut 120 and the supporting protrusion 330 of the second connecting plate 320 is moved to the outer surface of the other wing strap 20B A reaction force is generated as the hydraulic pressure is transmitted even after the second connection plate 320 contacts the wale band 20B on the other side and the reaction force is applied to the support protrusions 330 of the first connection plate 310 So that it is stuck on the outer side of the wale band 20A on one side.

The supporting protrusions 330 of the first and second connection plates 310 and 320 are pinched and embedded in the outer side surfaces of the wale straps 20A and 20B on one side and the other side to improve the folding force of the strand 100 and the belt, Thereby preventing safety accidents.

5, the fixing nut 430 is fastened to a position where it is interfered with the end portion of the support pipe 410 so as to restrict the movement of the inner strut 120 to the outer strut 110. As a result, The hydraulic cylinder 500 is drawn to the outside of the outer strut bracket 110 through the through hole 415 and the take-out hole 114 so as to be reused in other construction sites.

The length of the strut 100 can be adjusted by arbitrarily adjusting the length of the strut 100. The length of the strut 100 can be adjusted by moving the inner strut 120 to the outside of the outer strut 110, After the strut 100 is connected to the first and second connecting plates 310 and 320 by using the hydraulic cylinder 500, the first and second connecting plates 310 and 320 are firmly assembled to the wale band, And can be reused in the field, thereby reducing the construction cost.

The first and second hooks 311 and 321 and the first and second hooking portions 312 and 322 are hooked on the first and second wale straps 20A and 20B, 310 and 320, it is possible to prevent the connection between the wrist strap and the strut 100 from being easily released.

In addition, according to the present invention, the ends of the first and second connecting plates 310 and 320 are hooked so as to be hooked on the inner surface of the strap, thereby preventing the strap 100 from being separated from the strap, Raw materials can be reused as is.

The first and second connection plates 310 and 320 of the present invention are configured such that the support protrusions 330 formed on the first and second contact portions 314 and 324 are pressed by the hydraulic cylinders 500 to press the wales 20A and 20B on one side and the other side, So that it is possible to improve the contact force between the wrist strap and the strut 100. [

FIGS. 5 and 6 are views showing a case where the inner strut 120 is a square pipe according to the present invention, and FIG. 7 is a view showing a case where the inner strut 120 and the outer strut 110 are circular pipes.

As shown in FIGS. 5 and 6, when the inner and outer struts 120 and 110 are formed as square pipes, a portion of the inner and outer strands 120 and 110 is connected to the inner side of the inner strands 120 So as to be inserted and joined together.

As shown in FIG. 7, when the inner and outer strands 120 and 110 are circular pipes, the entire length of the strands can be arbitrarily adjusted as in the case of the H beam.

10: earth retaining walls 20A, 20B: wedges on one side and the other side
100: strut 110: outer strut
112: working hole 114:
120: inner strut 310, 320: first and second connecting plates
311, 321: first and second hooks 312, 322:
314.324: first and second contact portions 315 and 325: first and second connection portions
330: Support protrusion 350: Support bolt
400: moving means 410: supporting pipe
412: hollow 415: through hole
420: Feed shaft 425: Connector
430: Fixing nut 500: Hydraulic cylinder

Claims (6)

And a strut brace (100) having both ends connected to one side wale (20A) and another side wale (20B) provided on the earth retaining wall (10) facing each other,
The strut 100 includes an outer strut 110 connected to the wale band 20A through a first connecting plate 310 coupled to one end of the outer strut 110, And an inner brace 120 coupled to the other wale band 20B via a second connection plate 320 coupled to the other end,
And moving means (400) detachably disposed in the outer strut bracket (110) for moving the inner strut bracket (120) toward the other wale band (20B) side. The method according to claim 1,
The first connecting plate 310 includes a first hook portion 311 hooked to the inner side surface of one wale band 20A and a second hook portion 311 extending from the upper portion of the first hook portion 311 so as to be bent from one side of the wale band 20A, and a second latching part 312 extending downward from an end of the first latching part 312 so that one side of the first latching part 312 is in contact with the outer side surface of the one wing strap 20A, And a first connection part 315 protruding from the other side of the first contact part 314 and engaged with an end of the external strut bracket 110,
The second connecting plate 320 includes a second hook portion 321 hooked to the inner side surface of the other wale band 20B and a second hook portion 321 extending from the upper portion of the second hook portion 321 so as to be bent, 20B), and a second latching part (322) extending downward from an end of the second latching part (322) and having one side surface-contacted with the outer side surface of the other wristband (20B) And a second connection part (325) protruding from the other side of the second contact part (324) and joined to an end of the inner strut bone (120). The method of claim 2,
Wherein a plurality of support protrusions (330) are formed on one side of the first and second contact portions (314, 324) so as to be narrowed toward the end portions. The method according to claim 1,
The moving means 400 is provided inside the outer strut 110 and has a hollow 412. The moving means 400 has a through hole 415 formed therein so that the hydraulic cylinder 500 can be drawn in and out of the hollow 412. [ A pipe 410,
A feed shaft 420 having one end slidably inserted in the hollow 412 of the support pipe 410 and having a coupling hole 425 connected to an end of the inner strut 120 at the other end,
And a fixing nut (430) fastened to the outer circumferential surface of the transport shaft (420) and interfering with an end of the support pipe (410) to limit one direction movement of the transport shaft (420). The method according to claim 1,
Wherein the inner strut brace (120) comprises an H beam or a square pipe, and the outer strut (110) is a square pipe. The method according to claim 1,
Wherein the inner strut (120) and the outer strut (110) are formed of a circular pipe.
KR1020150153695A 2015-11-03 2015-11-03 Connecting structure of supporting beam KR20170051951A (en)

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CN107503357A (en) * 2017-08-30 2017-12-22 云南工程建设总承包公司 Annular pile supporting construction
CN111206591A (en) * 2019-12-18 2020-05-29 上海建工集团股份有限公司 Assembled integral translation supporting system for pipe gallery foundation pit and construction method
CN111206591B (en) * 2019-12-18 2022-01-11 上海建工集团股份有限公司 Assembled integral translation supporting system for pipe gallery foundation pit and construction method
CN112030995A (en) * 2020-09-04 2020-12-04 中国建筑一局(集团)有限公司 Construction method for quickly taking out of ground for supporting and disassembling in advance for main building of super high-rise building
CN112030995B (en) * 2020-09-04 2022-01-07 中国建筑一局(集团)有限公司 Construction method for quickly taking out of ground for supporting and disassembling in advance for main building of super high-rise building
KR102407799B1 (en) * 2021-11-26 2022-06-13 주식회사 포유텍 steel-concrete composite struts with length control part
KR102413564B1 (en) * 2021-11-26 2022-06-27 유정환 Installation method of prefabricated bridge using upper crossbar self-weight fixture
KR102620396B1 (en) * 2023-01-17 2024-01-03 (주)제이피이엔씨 Connection jack for angle regulating and retaining wall corner reinforcement method using of the same
KR102620398B1 (en) * 2023-01-30 2024-01-03 (주)제이피이엔씨 Coupling Jack for adjusting lenghth and support method of retaining wall using of the same
KR102653831B1 (en) * 2023-07-17 2024-04-02 (주)제이피이엔씨 An exclusive walling system for earth anchors with a closed cross-sectional walling with an earth anchor hole and a bolt-type groove filling set

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