KR101664143B1 - Eco-friendly precast concrete box structure - Google Patents

Eco-friendly precast concrete box structure Download PDF

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Publication number
KR101664143B1
KR101664143B1 KR1020160021588A KR20160021588A KR101664143B1 KR 101664143 B1 KR101664143 B1 KR 101664143B1 KR 1020160021588 A KR1020160021588 A KR 1020160021588A KR 20160021588 A KR20160021588 A KR 20160021588A KR 101664143 B1 KR101664143 B1 KR 101664143B1
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Prior art keywords
wall member
slab
wall
box structure
concrete
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KR1020160021588A
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Korean (ko)
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KR20160103939A (en
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박용선
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대한이.이엔.씨(주)
주식회사 건화
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    • 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
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/02—Public or like main pipe systems
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/04—Domestic or like local pipe systems
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/04—Pipes or fittings specially adapted to sewers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/08—Lining with building materials with preformed concrete slabs

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Public Health (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Architecture (AREA)
  • General Engineering & Computer Science (AREA)
  • Paleontology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical & Material Sciences (AREA)
  • Geology (AREA)
  • Sewage (AREA)

Abstract

The present invention facilitates the bonding between eco-friendly precast concrete box structures by embedding pre-fabricated pre-cast concrete structures in the basement, preventing leakage of water and soil into the PC box structure, The present invention provides an eco-friendly precast concrete box structure capable of safely protecting a concrete structure.

Description

[0001] ECO-FRIENDLY PRECAST CONCRETE BOX STRUCTURE [0002]

The present invention relates to a method for forming an underground tunnel structure for embedding a pre-cast concrete box structure (hereinafter referred to as a PC box structure) in a basement to form artificial waterway, a cable, a gas pipe, etc., The present invention relates to an eco-friendly precast concrete box structure which is easy to install so as to be continuously connected to each other, and which is simple to assemble and can shorten air.

The concrete box structure, which is generally called a rock, is used to form an artificial channel, buried underground, or to accommodate city facilities such as cables and gas pipes and to protect them from external impacts.

Reinforced Concrete (RC) method is mainly used as a construction method to purchase the above-mentioned urban facilities underground, in which a formwork is set up at a construction site to reinforce the concrete and cast concrete.

The above-mentioned construction method has a disadvantage in that it delays the flow of roads and deliveries during the period of construction, causes noise to the surroundings, and increases the construction period until the concrete is cured. Recently, Precast Concrete (PC) method, which is constructed by pouring concrete into a mold, and assembling the prefabricated member to the construction site, is increasing.

The PC member produced by the above PC method is installed in the basement and various kinds of city facilities are installed in the inside of the PC member. However, in order to prevent water, soil and the like from flowing into the PC member, However, there is still a problem in that additional labor is consumed and the construction period is lengthened due to the post-processing operation.

Therefore, there is a need for an eco-friendly precast concrete box structure having a new structure capable of solving the problems of the conventional PC member as described above.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a PC box structure in which easing of environment friendly precast concrete box structures is facilitated, leakage of water and soil into the PC box structure is prevented, It is an object of the present invention to provide an eco-friendly precast concrete box structure capable of safely protecting a facility.

In order to accomplish the above objects and to solve the problems of the prior art described above, the present invention has been made to solve the above-mentioned problems of the prior art by providing a pair of

Figure 112016017980871-pat00001
A PC box structure 100 in which a PC slab member 200 and a PC slab member 200 are installed so as to fill an on-site concrete C to form an internal space, A protrusion 120 protruding in a height direction by a predetermined length is formed at the outer end of the upper end, and at the inner end of the upper end, The fixing jaw 130 is formed at a lower height than the fixing jaw 120 and protruded inward by a predetermined length,
Figure 112016017980871-pat00002
The PC wall member 100 is formed at a predetermined position on an upper end of the PC wall member 100. The PC wall member 100 has a reinforcing member R and a sleeve member The PC wall member 100 has a sleeve 140 and a PC wall member 100. The PC wall member 100 is formed at a predetermined position of an upper end and a lower end of the PC wall member 100. One end is accommodated in the PC wall member 100, The PC wall member 100 has a lower side portion protruding inward and symmetrically opposed to the lower side portion of the PC wall member 100, Pair of
Figure 112016017980871-pat00003
The lower portion of the PC wall member 100 is protruded inwardly so that an intermediate space portion for filling the site-laid concrete C is formed between the lower portions of the PC wall member 100, The PC slab member 200 is installed and installed so that the on-site concrete C is filled in the upper portion thereof.

According to another embodiment of the present invention, the engaging portion 110 includes a first engaging portion 110a disposed at one end of the PC wall member 100 at a predetermined interval, And a second coupling portion 110b which is disposed asymmetrically with the first coupling portion 110a.

According to another embodiment of the present invention, the engaging portion 110 includes a first engaging portion 110a formed at one end of the first PC box structure so that the PC box structure is continuously formed, The vertical reinforcing members 111 are inserted into the central portions of the first and second coupling portions 110a and 110b when the second coupling portions 110b formed at the other end of the box structure are stacked and overlapped with each other do.

According to another embodiment of the present invention, the joints formed at both side ends of the first coupling portion 110a and the second coupling portion 110b may be post-treated so that foreign substances do not flow into the PC box structure The sealant material (112) and the sealant material (112) are caulked (113) at the outer end of the sealant material (112).

According to another embodiment of the present invention, the PC wall member 100 includes a concave portion 160 formed at a predetermined position on an upper end of the PC wall member 100 in the longitudinal direction and having a groove recessed inwardly, (300) which is seated on the floor (160).

According to another embodiment of the present invention, the water leakage preventing means 300 includes a body portion 310 for receiving a water leakage preventing material therein and a load (not shown) on the upper end portion of the body portion 310 And a pushing part 320 which is moved downward by the body part 310 so as to allow the leakage of the leakage of the water contained in the body part 310 to the outside.

According to another embodiment of the present invention, the PC wall member 100 further includes a non-slip device 400 formed at a predetermined position on an upper end of the PC wall member 100 and having a plurality of protrusions formed in the longitudinal direction thereof .

According to another embodiment of the present invention, the PC wall member reinforcing bar R1 constituted inside the protruding portion 120 and the reinforcing bars R1 and R2 which are seated at predetermined positions on the upper end of the PC wall member 100

Figure 112016017980871-pat00004
And a plurality of slab member reinforcing bars R2 formed at both ends of the slab member 200 so as to protrude from the predetermined upper end of the slab member 200 at one end thereof, ). ≪ / RTI >

According to another embodiment of the present invention, the PC wall member 100 is filled with the spotted concrete C in the side window at the upper end and the lower end, and the protruding portion (not shown) protruding from the upper end of the PC wall member 100 120). ≪ IMAGE >

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

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

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

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

According to the present invention, it is possible to omit the concrete mold curing period and the mold installation required for casting in the field by using the preformed PC box structure made of precast concrete, thereby reducing air and construction cost , The connection between the members is easy, and the sealing is possible, so that the waterproof treatment is easy, and there is a simple effect of maintenance and construction of the underground facility.

1 is a view showing an exploded view of an eco-friendly precast concrete box structure according to the present invention;
2 is a view showing an overall view of an eco-friendly precast concrete box structure according to the present invention;
3 is a side view of an eco-friendly precast concrete box structure according to the present invention;
4 is a cross-sectional view of an upper end portion of an eco-friendly precast concrete box structure according to the present invention.
5 is a cross-sectional view of an upper end portion of an eco-friendly precast concrete box structure according to another embodiment of the present invention.
6A and 6B are views showing a cross-sectional view of an upper end portion of an eco-friendly precast concrete box structure according to another embodiment of the present invention
7 is a cross-sectional view of an upper end portion of an eco-friendly precast concrete box structure according to another embodiment of the present invention
8 is a sectional view of a lower end portion of an eco-friendly precast concrete box structure according to the present invention
FIG. 9 is a view showing a state of connection of an eco-friendly precast concrete box structure according to the present invention,
10 is a view showing an upper part of a state of engagement of an eco-friendly precast concrete box structure according to the present invention
11 is an enlarged view of a portion B in Fig. 10

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

1 and 2 are views showing an eco-friendly precast concrete box structure according to the present invention. The eco-friendly precast concrete box structure according to the present invention includes a pair of baffles, which are buried underground and can accommodate urban facilities such as artificial waterways,

Figure 112016017980871-pat00005
Type PC wall member 100 and the PC slab member 200 are installed, and then the site-laid concrete C is filled to form an internal space.

As shown in FIG. 3, the PC wall member 100 is formed with a coupling portion 110 protruding outward at both side ends. Generally, the coupling portion 110 is formed of a U- However, it is not excluded that they are formed in different shapes within a range that can achieve the same purpose and function.

Next, FIG. 4 is a cross-sectional view of an eco-friendly precast concrete box structure according to the present invention as viewed from the upper end, wherein the outer end of the upper end of the PC wall member 100 has a height- And a fixing jaw 130 is formed at an inner end of the upper end portion at a lower height than the protruding portion 120 and protrudes inwardly by a predetermined length.

A sleeve member 140 is installed at a predetermined position on the upper end of the PC wall member 100 such that a reinforcing member R constituting the inside of the PC wall member 100 and a reinforcing member constituting the slab are coupled to each other, .

One end of the sleeve member 140 is engaged with a reinforcing bar R formed inside the PC wall member 100 and the other end is joined with a reinforcing bar member constituting the slab so that the slab is more firmly fixed Respectively.

4 and 7, at a predetermined position of the upper and lower ends of the PC wall member 100, a water resistance plate 150 is formed in the longitudinal direction, And is received in the interior of the member 100 and the other end exposed to the outside and filled with the spotted concrete C, the water is received in the inside of the spotted concrete C and leakage occurs to the inside of the PC wall structure Waterproofing function.

On the other hand, the PC wall member 100 includes a pair of

Figure 112016017980871-pat00006
Shaped PC wall body 100. The lower side portion is protruded inward and symmetrically opposed to each other. The lower side portion is disposed between the lower side portions to form an intermediate space So that the lower part is protruded only partially inward.

The PC slab member 200 is mounted on the upper side of the PC wall member 100. The PC slab member 200 is provided with an intermediate space portion formed between the lower side portions of the PC slab member 200, After being laid out in the form of a gap and a shape, the site-laid concrete (C) is filled.

5, the PC wall member 100 includes a protrusion 120 protruding in a height direction at an outer end of an upper end of the PC wall member 100, The PC wall member reinforcing bar R1 is further formed so that the structural strength of the PC wall member reinforcing bar R1 is reinforced.

Further, at a predetermined position of the upper end of the PC wall member 100

Figure 112016017980871-pat00007
The slab member 200 formed in a shape of a letter is seated.

In addition, slab member reinforcing bars R2 are additionally formed at both side ends of the slab member 200 so that the slab member 200 can be engaged when the site-laid concrete C is filled at the upper end of the slab member 200.

The slab member reinforcing steel rod R2 is formed such that a predetermined position and one end portion of the upper end of the slab member 200 are protruded and both side ends of the slab member 200 are penetrated

Figure 112016017980871-pat00008
But it does not exclude the use of a rebar formed in a different shape within a range that can achieve the same purpose and function.

Next, FIG. 9 is a view showing a combined environment friendly precast concrete box structure according to the present invention. The PC box structure 100 is coupled to the PC wall member 100 by using coupling portions 110 formed at both ends of the PC wall member 100. The coupling portion 110 is formed at one end of the PC wall member 100, And a second engaging portion 110b which is arranged at a predetermined interval and is arranged asymmetrically with the first engaging portion 110a is formed at the other end portion of the first engaging portion 110a, Loses.

As shown in FIGS. 10 and 11, the coupling part 110 includes a first coupling part 110a formed at one end of the first PC box structure so that the PC box structure is continuously formed, 2 vertical frame member 111 is formed at the central portion of the first and second coupling portions 110a and 110b so as to be overlapped with the second coupling portion 110b formed at the other end of the second PC box structure. And inserted vertically.

After the vertical reinforcing members 111 are inserted as described above, joints are formed at both side ends of the first and second coupling portions 110a and 110b. In the PC box structure, A sealant 112 is post-treated so that the sealant 112 is not exposed to the air and the caulking 113 is further provided at the outer end of the sealant 112.

When the above-mentioned operation is completed, the space where the joint portion 110 is fastened by the vertical reinforcing member 111 is filled with the cast concrete (C) to be completely sealed.

6A and 6B illustrate another embodiment of the present invention. At the predetermined position of the upper end of the PC wall member 100, grooves are formed in the longitudinal direction and recessed inward And the water leakage preventing means 300 is seated on the recess 160. As shown in FIG.

The water leakage preventing means 300 includes a body portion 310 for receiving the water leakage preventing member 311 and an upper end portion of the body portion 310 is provided at a lower side thereof with a load of the slab member 200 And a pushing part 320 for exciting the upper end of the body part 310 and allowing the leakage preventing material 311 to flow out.

When the leakage preventing member 311 leaking out as described above is cured, not only the gap between the PC wall member 100 and the slab member 200 can be sealed, but also the leakage of water into the PC box structure There is an effect that it can be prevented.

On the other hand, in the recess 160, the use of the leakage preventing means 300 is eliminated, and the projections 160 are formed on the lower surface of the slab member 200 so as to correspond to the shape and shape of the recess 160, May be further formed to be seated on the recess 160 and used.

7 is a view showing another embodiment of the present invention. In the PC wall member 100, a slip (not shown) is formed at a predetermined position of the upper end of the PC wall member 100 in the longitudinal direction, Prevention means 400 is additionally constituted.

The non-slip device 400 is made of a synthetic resin material having a high frictional force to minimize the movement of the slab member 200 so that the slab member 200 is not separated from the designated position.

The leakage preventing means 300 and the non-slip preventing means 400 may be used at the same time in accordance with the purpose and convenience of the installation. However, the leakage preventing means 300 and the non- It is not excluded.

Due to the above-described components, it is possible to easily construct the PC box structure and to prevent the contaminants from entering into the space formed inside, to prevent leakage, to stably use the artificial water channel and the urban facilities There is an advantage to maintain.

In addition, since the pre-cast concrete box structure is used, the air can be shortened and the construction cost can be reduced.

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

C: Cast-in-place concrete R: Steel member
100: PC wall member 200: Slab member
300: Water leakage prevention means 400: Slip prevention means

Claims (9)

A first engaging portion 110a disposed at a predetermined distance at one end and a second engaging portion 110b disposed at another end at a predetermined distance and disposed asymmetrically with respect to the first engaging portion 110a A pair of PC wall members 100 formed in a U-shaped connecting portion 110 formed continuously and side by side; And a PC slab member 200 on both sides of which an end portion of the PC wall member 100 is seated and filled with a cast concrete on top of the PC wall member 100. The PC slab member 200 is buried underground, An eco-friendly precast concrete box structure in which an internal space is formed to accommodate facilities,
The PC wall member 100 includes a U-shaped coupling portion 110 formed to protrude outward at both side ends thereof, a protrusion 120 protruding from the outer end of the upper end at a predetermined length in the height direction, A fixing jaw 130 having a height lower than that of the protrusion 120 at the inner end of the upper end portion and further protruding inwardly by a predetermined length, Includes a sleeve member (140) for connecting a reinforcing member (R) constituting the inside of the PC wall member and a reinforcing member constituting the slab to each other,
When the PC wall members 100 are installed side by side, the first engaging portion 110a formed at one end of the one PC wall member has a second engaging portion 110b formed at the other end of the adjacent other PC wall member The vertical reinforcing members 111 are inserted into the central portions formed by the first and second engaging portions 110a and 110b which are alternately stacked on each other, The wall members are tightly coupled to each other,
The PC wall member 100 may further include a recess 160 formed at a predetermined position on an upper end of the PC wall member 100 in a longitudinal direction and having a recess formed therein to be recessed inwardly, The leakage preventing means 300 for sealing the gap between the PC slab member 100 and the PC slab member 200 is additionally seated,
The leakage preventing means 300 includes a body portion 310 corresponding to the shape and shape of the recess 160 and configured to receive the leakage preventing member 311 therein, On the upper flat side
Figure 112016076074229-pat00025
Shaped push portion 320. When both ends of the PC slab member 200 are seated at the upper end of the PC wall member 100, When the lower end of the pushing part 320 is inserted into the body part 310 by pressing the upper end of the body part 310 as the pushing part 320 is moved downward, 311) is outflowed and hardened, a thin gap between the PC wall member (100) and the PC slab member (200) is sealed by the waterproofing material (311) The method according to claim 1,
The PC wall member 100 is formed in a longitudinal direction at a predetermined position of an upper end and a lower end of the PC wall member 100. One end of the PC wall member 100 is accommodated in the PC wall member 100 and the other end thereof is exposed to the outside, Further comprising a waterproof plate (150) accommodated in the spotted concrete (C) when the poured concrete (C) is filled, characterized in that the waterproof concrete The method according to claim 1,
A sealant 112 for preventing foreign substances from entering and leaking from the joints formed at both side ends of the first and second coupling portions 110a and 110b, Wherein a caulking (113) is further added to the environmentally friendly precast concrete box structure The method according to claim 1,
In order to minimize the movement of the PC slab member 200 which is seated on the upper end of the PC wall member 100 without being separated from the designated position at the time of installation, Further comprising an anti-slip means (400) formed in the longitudinal direction and composed of a plurality of protrusions in the upward direction, characterized in that the anti- The method according to claim 1,
The PC slab member 200 has both side ends seated at the upper end of the PC wall member 100,
Figure 112016076074229-pat00026
And a PC slab member (200) configured to have a height greater than that of the PC slab member (200)
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CN106869166A (en) * 2017-02-28 2017-06-20 中国十七冶集团有限公司 A kind of fabricated construction method for pipe gallery
KR102050046B1 (en) * 2017-12-15 2019-11-28 한국건설기술연구원 Building Core System using Precast Concrete Segmented Boxes with Tongue and Groove Joint
KR102155118B1 (en) * 2020-01-13 2020-09-11 한국콘크리트산업 주식회사 Prefabricated underground structure system for underground roadway and its construction method

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JP2003193544A (en) * 2001-12-26 2003-07-09 Haneda Concrete Industrial Co Ltd Concrete assembly structure

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JP3294171B2 (en) * 1997-10-20 2002-06-24 株式会社ホクコン Water-stopping member for stopping water at the joint of concrete building
KR100419302B1 (en) * 2001-12-13 2004-02-21 삼성물산 주식회사 Coupling structure of manhole for power lines manufactured by using precast concrete
KR101014838B1 (en) * 2008-08-18 2011-02-15 주식회사 서린실업 Device for water proof and stagnant water interception in joints of precast culvert

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JP2003193544A (en) * 2001-12-26 2003-07-09 Haneda Concrete Industrial Co Ltd Concrete assembly structure

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