KR20140110526A - A fixing coupler used a burial slab of an outer wall of an underground construction and a burial slab construction method using it - Google Patents

A fixing coupler used a burial slab of an outer wall of an underground construction and a burial slab construction method using it Download PDF

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Publication number
KR20140110526A
KR20140110526A KR1020130025025A KR20130025025A KR20140110526A KR 20140110526 A KR20140110526 A KR 20140110526A KR 1020130025025 A KR1020130025025 A KR 1020130025025A KR 20130025025 A KR20130025025 A KR 20130025025A KR 20140110526 A KR20140110526 A KR 20140110526A
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KR
South Korea
Prior art keywords
slab
steel
fixed coupler
shaped
shaped steel
Prior art date
Application number
KR1020130025025A
Other languages
Korean (ko)
Inventor
황기수
이병희
Original Assignee
황기수
이병희
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 황기수, 이병희 filed Critical 황기수
Priority to KR1020130025025A priority Critical patent/KR20140110526A/en
Publication of KR20140110526A publication Critical patent/KR20140110526A/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • E02D29/0258—Retaining or protecting walls characterised by constructional features
    • E02D29/0275—Retaining or protecting walls characterised by constructional features cast in situ
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/02—Sheet piles or sheet pile bulkheads
    • E02D5/03—Prefabricated parts, e.g. composite sheet piles
    • E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
    • E02D5/06—Fitted piles or other elements specially adapted for closing gaps between two sheet piles or between two walls of sheet piles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00—Nuts or like thread-engaging members
    • 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
    • E02D2300/00—Materials
    • E02D2300/0004—Synthetics
    • E02D2300/0018—Cement used as binder
    • E02D2300/002—Concrete
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0004—Synthetics
    • E02D2300/0025—Adhesives, i.e. glues

Abstract

In the present invention, the earth pressure of the earth retaining wall is transmitted and supported to the exposed slab by connecting a pair of L-shaped steel bars with a steel bar, and the pair of L-shaped steel bars are arranged at predetermined intervals to facilitate the pouring of concrete, And a method for constructing the embedded slab using the same.
In order to achieve the above object, a fixed coupler (12) for use in a buried slab of an outer wall of an underground structure according to the present invention includes a pair of L-shaped beams (12-1) arranged at predetermined intervals, (12-4) is formed, a steel rod (12-2) is inserted into the through hole,
The steel rods are installed so as to protrude a predetermined length from the through-holes of the L-shaped steel. Both ends of the steel rods are threaded and fastened by a nut 12-3. The pair of L- And is connected by a steel bar 12-2.
Also, the present invention provides a method of controlling a building, the method comprising: installing an earth retaining wall (10) to support earth pressure outside a building; A step of installing a support bracket (13) at a predetermined interval on an H-shaped steel material (11) of the earth retaining wall body (10);
The fixed bracket (13) is welded to the fixed coupler (12) at a predetermined distance from the earth retaining wall (10). A wire mesh formwork 14 is installed between the earth retaining wall 10 and one side L-shaped steel 12-1 of the fixed coupler and between the other side L-shaped steel 12-1 and the exposed slab 19 of the fixed coupler , Placing concrete on the wire mesh form (14);
And a concrete slab 18 and a building outer wall 20 are formed between the L-shaped beams 12-1 of the fixed coupler 12.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixed coupler for use in an embedded slab of an outer wall of an underground structure, and a method of constructing a burial slab using the same,

The present invention relates to an outer wall of an underground structure and a buried slab, wherein a buried slab is formed between the outer wall of the underground structure and the exposed slab, and the earth pressure delivered to the underground earth retaining wall by the buried slab is efficiently transferred to the exposed slab The present invention relates to a fixed coupler used for a built-in slab installed to support the slab, and a method for constructing a built-in slab using the same.

Generally, a backfilling method is used for the reason of stability of an underground structure and shortening of an air when constructing an underground structure. In the backfilling method, a slab, a beam and a column, which are building structural materials, are sequentially built from the ground, Which is in contact with the ground,

The slab is composed of an exposed slab of a building structural member and a built-in slab for transmitting the earth pressure of the underground earth retaining wall to the exposed slab, and the outer wall of the building is also built at the time of constructing the embedded slab, The foundation slab is constructed and the outer wall of the building is constructed from the lowest floor to the ground, and the underground structure is completed.

FIG. 1 is a perspective view showing an existing underground structure and an installed slab of the underground structure, FIG. 2 is a plan view showing the earth retaining wall and the embedded slab of FIG. 1, FIG. 3 is a sectional view of FIG. 1, And is constructed from the lowest layer.

As shown in FIGS. 1 to 4, the outer wall of the underground structure and the embedded slab of the prior art have a built-in slab 106 formed between the retained wall 100 and the exposed structural slab 107, 100 are welded and bonded to each other at predetermined intervals on the H-shaped steel material 101 of the support bracket 103. Longitudinal steel bars 104 are installed at predetermined intervals on the support bracket 103, 104 is provided with a wire mesh form 105 and the exposed slab 107 is formed by placing a reinforcing structure 108 and pouring concrete.

A grid structure 102 is installed at a predetermined interval on the upper part of the wire mesh form 105 and a reinforcing structure 109 is installed on the left and right sides of the grid structure 102. The wire mesh formwork 105 A concrete slab 106 is formed by placing concrete thereon.

The concrete slabs 106 are embedded by the concrete pouring of the outer wall 111 of the building due to the concrete being poured through the openings of the grid-shaped steel structure 102.

The grid-like steel structure 102 should be manufactured to have sufficient rigidity to sufficiently support the earth pressure transmitted to the earth retaining wall 100 before the outer wall is constructed. The grid-like steel structure 102 is spaced a predetermined distance along the longitudinal direction of the embedded slab 106 Respectively.

FIG. 5 is a perspective view showing another embodiment of a conventional underground structure having an earth retaining wall and a steel band strip. In the H-shaped steel strip 101 of the earth retaining wall 100, a support bracket 103 is weld- A steel band 114 is welded to the upper portion of the support bracket 103 and a back filler 115 is installed at a predetermined interval between the H-shaped steel member 101 of the earth retaining wall member 100 and the steel band member 114 And welded.

A through hole 116 is formed in the web of the steel wale 114 at a predetermined interval so that concrete is poured through the through hole 116 to form a building outer wall 111. The concrete pouring of the outer wall 111 The embedded slab 106 is buried.

However, in the above-mentioned prior art, it is not easy to construct a reinforcing steel structure for forming a buried slab, and the steel band is heavy so as to increase the rigidity of the outer wall. In the through hole of the grid-like steel structure or the H- It is difficult to pour concrete into a narrow space, resulting in a back joint, which results in deterioration of the structural rigidity of the outer wall of the building.

In order to solve the problems of the conventional art, the earth pressure of the earth retaining wall is transmitted to and supported by the exposed slab of the building structure by connecting a pair of L-shaped steel bars with steel bars, and the pair of L- The present invention provides a fixed coupler for use in an embedded slab of an outer wall of an underground structure that facilitates pouring of concrete, and a method of constructing a built-in slab using the same.

In order to achieve the above object, a fixed coupler (12) used in a buried slab of an outer wall of an underground structure according to the present invention includes a pair of L-shaped steels (12-1) arranged at predetermined intervals, Through holes 12-4 are formed at intervals, the steel rods 12-2 are inserted into the through holes,

The steel rods are installed so as to protrude a predetermined length from the through-holes of the L-shaped steel. Both ends of the steel rods are threaded and fastened by a nut 12-3. The pair of L- And is connected by a steel bar 12-2.

Also, the present invention provides a method of controlling a building, the method comprising: installing an earth retaining wall (10) to support earth pressure outside a building; A step of installing a support bracket (13) at a predetermined interval on an H-shaped steel material (11) of the earth retaining wall body (10);

The fixed bracket (13) is welded to the fixed coupler (12) at a predetermined distance from the earth retaining wall (10). A wire mesh formwork 14 is installed between the earth retaining wall 10 and one side L-shaped steel 12-1 of the fixed coupler and between the other side L-shaped steel 12-1 and the exposed slab 19 of the fixed coupler , Placing concrete on the wire mesh form (14);

And a concrete slab 18 and a building outer wall 20 are formed between the L-shaped beams 12-1 of the fixed coupler 12.

According to the present invention as described above, since a pair of L-shaped steels of the fixed coupler are arranged at predetermined intervals to form openings, the concrete can be easily poured to prevent the occurrence of a back joint,

Before forming the outer wall of the building, a pair of L-shaped steel bars are connected by a steel bar so that the earth pressure of the earth retaining wall is efficiently transmitted to the exposed slab, which is a building structural material, by the steel rods. , And thus the structure of the embedded slab is simplified, thereby improving the workability.

Fig. 1 is a perspective view showing an installation structure of an underground structure and a slab,
Fig. 2 is a plan view showing the earth retaining wall and the embedded slab of Fig. 1
Figure 3 is a cross-
4 is a cross-sectional view showing that the outer wall of the building is constructed from the lowest floor
Fig. 5 is a perspective view showing the installation of the earth retaining wall and the steel band in the underground structure,
6A is a perspective view showing a fixed coupler according to an embodiment of the present invention.
Fig. 6B is a perspective view showing that a waterproof plate is installed in a fixed coupler, which is one embodiment of the present invention. Fig.
6C is an exploded perspective view showing a fixed coupler according to another embodiment of the present invention.
6D is a perspective view showing that a steel bar is coupled to the fixed coupler of FIG.
6E is an exploded perspective view showing a fixed coupler according to another embodiment of the present invention.
Figure 6f is a perspective view showing the steel plate coupled to the fixed coupler of Figure 6e;
7 is a perspective view showing that a fixed coupler, which is an embodiment of the present invention, is installed on an earth retaining wall;
8 is a perspective view showing that a fixed coupler, which is an embodiment of the present invention, is buried in a part of a buried slab;
9 is a perspective view showing that a fixed coupler, which is an embodiment of the present invention, is buried in a buried slab;
10 is a cross-sectional view showing that an outer wall of a building is formed by pouring concrete through an opening of a fixed coupler, which is an embodiment of the present invention.

DETAILED DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 6A is a perspective view illustrating a fixed coupler according to an embodiment of the present invention. FIG. 6B is a perspective view of a fixed coupler, which is an embodiment of the present invention, And a steel rod 12-2 is inserted into the through hole 12-4 formed in the L-shaped portion 12-1 and the L-shaped portion 12-1.

The L-shaped steels 12-1 are arranged at predetermined intervals, the L-shaped steels have through holes 12-4 formed at predetermined intervals, and the through holes 12-4 are provided with steel rods 12-2 The steel rods 12-2 are inserted into the through holes 12-4 of the L-shaped steel pipe 12-1 so as to protrude by a predetermined length, And is tightened with a nut 12-3, and the pair of L-shaped beams 12-1 are connected by a steel rod 12-2.

The steel bar 12-2 may be replaced with a deformed reinforcing bar, and a nut is welded to the end of the deformed reinforcing bar. In the L-shaped steel plate 12-1 adjacent to the earth retaining wall 10, a steel plate 15 having a height higher than the height of the L-shaped steel plate is vertically installed on the bent inner side surface of the L-shaped steel, And the steel plate 15 is formed with a through hole at the same position as the through hole 12-4 formed in the L-shaped steel 12-1 so that the steel bar 12-2 is inserted. The steel bar 12-2 may be replaced with a pipe (not shown) having a nut welded to both ends thereof.

FIG. 6C is a perspective view showing a fixed coupler according to another embodiment of the present invention, FIG. 6D is a perspective view showing that a steel rod is coupled to the fixed coupler of FIG. 6C, and the fixed coupler 12 of the present invention includes a pair of L- And a steel bar 12-2 is inserted into the opening groove 12-5 formed in the L-shaped steel pipe 12-1.

The pair of L-shaped bars 12-1 are arranged at predetermined intervals, and the L-shaped bars are formed with an opening groove 12-5 having a predetermined depth at a predetermined interval, 12-2 are inserted and the steel rods 12-2 are inserted into the open grooves 12-5 opened at the top, so that the steel rods 12-2 are easily installed in the field.

The steel rods 12-2 are respectively installed to protrude a predetermined length from the opening grooves 12-5 of the L-shaped steel 12-1. Both ends of the steel rods 12-2 are formed with threads, 12-3, and the pair of L-shaped beams 12-1 are connected by a steel rod 12-2.

FIG. 6E is a perspective view showing a fixed coupler according to another embodiment of the present invention, FIG. 6F is a perspective view showing that a steel plate is coupled to the fixed coupler of FIG. 6E. The fixed coupler 12 of the present invention includes a pair of L- And a steel plate 12-2 is inserted into the opening groove 12-5 formed in the L-shaped portion 12-1 and the L-shaped portion 12-1.

The pair of L-shaped steels 12-1 are arranged at predetermined intervals, and the L-shaped steels are formed with an opening groove 12-5 having a predetermined depth at a predetermined interval. In the opening groove 12-5, And the steel plate 12-6 is inserted into the open groove 12-5 with the top opened, so that the steel plate 12-6 is easily installed in the field.

The steel plate 12-6 is installed so as to protrude a predetermined length from the opening grooves 12-5 of the L-shaped steel 12-1, and the pair of L-shaped steel plates 12-1 are connected to the steel plate 12 -6), and the steel plate 12-6 may be replaced with an L-shaped steel (not shown).

FIG. 7 is a perspective view showing that a fixed coupler, which is an embodiment of the present invention, is installed in an earth retaining wall, and FIG. 8 is a perspective view showing that a fixed coupler, which is an embodiment of the present invention, is buried in a part of a buried slab.

A retaining bracket (13) is installed at a predetermined interval on an H-shaped steel material (11) of the retaining wall body (10) A fixed coupler 12 having a predetermined distance from the earth retaining wall 10 and attached with the water level plate 15 is welded and installed.

Between the earth retaining wall 10 and one side L-shaped steel 12-1 of the fixed coupler 12 and between the other side L-shaped steel 12-1 and the exposed slab 19 of the fixed coupler 12, (14).

The exposed slab 19 is formed by placing a reinforcing structure 17 and pouring concrete, and the exposed slab 19 is formed by placing an end of the exposed slab 19, And a steel beam 16 as a building structural material is installed in the lower part.

Before the opening of the fixed coupler 12 is filled with concrete and filled with concrete, the embedded slab between the earth retaining wall 10 and one side L-shaped steel 12-1 of the fixed coupler 12 passes through the fixed rod 12 of the fixed coupler 12 and the exposed slab 19 of the fixed coupler 12 by transmitting the earth pressure of the earth retaining wall to the embedded slab between the other L-shaped section 12-1 of the fixed coupler 12 and the exposed slab 19, The earth pressure delivered to the slab is transferred to and supported by the exposed slab, which is the building structure.

FIG. 9 is a perspective view showing that a fixed coupler, which is an embodiment of the present invention, is buried in a buried slab, FIG. 10 is a sectional view showing that an outer wall of a building is formed by pouring concrete through an opening of a fixed coupler, .

The concrete outer wall 20 and the embedded slab 18 are formed by placing concrete in an opening formed between the L-shaped portions 12-1 of the fixed coupler 12, The concrete structure is advantageous in that the concrete joint is not generated on the outer wall of the building due to the easy pouring of concrete.

10, 100: earth retaining walls 11, 101: H-shaped steel
12: Fixed coupler 12-1: L-shaped steel
12-2: Steel rod 12-3: Nut
12-4, 116: through hole 12-5: opening groove
12-6: steel plate 13, 103: support bracket
14, 105: Wire mesh form 15:
16: steel beam 17, 108, 109: reinforced structure
18, 106: embedded slab 19, 107: exposed slab
20, 110: outer wall
102: lattice type steel structure 104: elongated reinforcing bar
110: outer wall boundary line 20, 111: outer wall
112: foundation slab 113: steel column
114: steel band 115: backfill material

Claims (7)

A pair of L-shaped beams (12-1) are arranged at predetermined intervals, and the L-shaped beams are formed with through holes (12-4) at predetermined intervals, a steel rod (12-2) is inserted into the through holes The steel rods are installed so as to protrude a predetermined length from the through holes of the L-shaped steel. Both ends of the steel rods are threaded and fastened with a nut (12-3). The pair of L- (12-2). The fixed coupler for use in a buried slab of an outer wall of an underground structure. 2. The method according to claim 1, wherein the L-shaped steel (12-1) adjacent to the earth retaining wall (10) is provided with a waterproof plate (15) formed higher than the L- Respectively,
Wherein the water level plate (15) is formed such that a through hole is formed at the same position as the through hole (12-4) formed in the L-shaped steel (12-1) so that the steel bar (12-2) Fixed coupler used in the embedding slab of. The underground structure according to claim 1 or 2, wherein the steel bar (12-2) is replaced with a deformed reinforcing bar, and a nut is welded to the end of the deformed reinforcing bar. Fixed coupler. The method according to claim 1 or 2, wherein the through hole (12-4) is replaced with an opening groove (12-5) having a predetermined depth, and the steel bar (12-2) Wherein the slab is inserted into the slab and inserted into the slab. The steel plate according to claim 1 or 2, wherein the steel bar (12-2) is replaced with a steel plate (12-6), and the through hole (12-4) is replaced with an opening groove , And the steel plate (12-6) is inserted into the opening groove (12-5) so as to be installed. Installing an earth retaining wall (10) to support earth pressure outside the building;
A step of installing a support bracket (13) at a predetermined interval on an H-shaped steel material (11) of the earth retaining wall body (10);
A fixed coupler (12) of the first or second aspect is welded to the upper portion of the support bracket (13) at a predetermined distance from the securing wall body (10);
A wire mesh formwork 14 is installed between the earth retaining wall 10 and one side L-shaped steel 12-1 of the fixed coupler and between the other side L-shaped steel 12-1 and the exposed slab 19 of the fixed coupler , Placing concrete on the wire mesh form (14);
And forming the embedded slab (18) and the building outer wall (20) by placing concrete between the L-shaped steel (12-1) of the fixed coupler (12) Slab construction method. 7. The method according to claim 6, wherein the fixed coupler (12) of the first or second aspect is replaced by the fixed coupler (12) of the fourth or fifth aspect. .
KR1020130025025A 2013-03-08 2013-03-08 A fixing coupler used a burial slab of an outer wall of an underground construction and a burial slab construction method using it KR20140110526A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020130025025A KR20140110526A (en) 2013-03-08 2013-03-08 A fixing coupler used a burial slab of an outer wall of an underground construction and a burial slab construction method using it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020130025025A KR20140110526A (en) 2013-03-08 2013-03-08 A fixing coupler used a burial slab of an outer wall of an underground construction and a burial slab construction method using it

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101713674B1 (en) * 2015-11-05 2017-03-23 주식회사 한빛구조엔지니어링 Underground slab structure and underground construction method using the same
KR20170139741A (en) * 2016-06-09 2017-12-20 대림산업 주식회사 Pre-climbing core construction method for top-down construction
KR102080437B1 (en) * 2019-04-29 2020-02-21 씨제이대한통운 (주) Form Frame And Construction Method Of Underground Structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101713674B1 (en) * 2015-11-05 2017-03-23 주식회사 한빛구조엔지니어링 Underground slab structure and underground construction method using the same
KR20170139741A (en) * 2016-06-09 2017-12-20 대림산업 주식회사 Pre-climbing core construction method for top-down construction
KR102080437B1 (en) * 2019-04-29 2020-02-21 씨제이대한통운 (주) Form Frame And Construction Method Of Underground Structure

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