KR101066032B1 - a retaining wall construction method - Google Patents

a retaining wall construction method Download PDF

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KR101066032B1
KR101066032B1 KR1020090014043A KR20090014043A KR101066032B1 KR 101066032 B1 KR101066032 B1 KR 101066032B1 KR 1020090014043 A KR1020090014043 A KR 1020090014043A KR 20090014043 A KR20090014043 A KR 20090014043A KR 101066032 B1 KR101066032 B1 KR 101066032B1
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reinforcement
soil
retaining wall
reinforcing
layers
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KR20100094861A (en
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주재우
박종범
나현호
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주재우
(주)신명건설기술공사
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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
    • E02D29/02—Retaining or protecting walls
    • E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
    • E02D29/0241—Retaining or protecting walls comprising retention means in the backfill the retention means being reinforced earth elements
    • 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
    • E02D29/025—Retaining or protecting walls made up of similar modular elements stacked without mortar
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Soil Sciences (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Retaining Walls (AREA)

Abstract

본 발명은 신장성 보강재와 비신장성 보강재를 혼용하여 신장성 보강재의 배부름 현상을 억제하고, 비신장성 보강재의 비용, 운반과 설치 및 부식에 의해 내구성이 감소하여 보강토 옹벽의 구조적 결함 즉, 무너짐을 예방한 보강토옹벽 시공방법에 관한 것이다.The present invention is used to suppress the phenomena of the stretchable reinforcement by mixing the extensible reinforcement with the non-extension reinforcement, and the durability of the reinforcement soil retaining wall is reduced due to the cost, transportation, installation and corrosion of the non-extension reinforcement The present invention relates to a method of constructing a reinforced soil retaining wall.

상기한 목적을 달성하기 위한 본 발명에 따른 보강토옹벽 시공방법의 특징은, 보강토옹벽 설치 지점을 터파기한 후, 바닥을 평평하게 고르는 단계와, 블록을 이용하여 보강토옹벽 1층을 형성한 후, 흙을 포설하고 다짐하는 단계와, 상기 보강토옹벽 1층 상부에 블록을 적층하여 보강토옹벽 2층을 형성한 후, 흙을 포설하고 다짐하는 단계와, 상기 보강토옹벽 2층 상부에 신장성 보강재를 설치하는 단계와, 상기 신장성 보강재 상부에 블록을 이용하여 보강토옹벽 3층을 형성한 후, 흙을 포설하고 다짐하는 단계와, 상기 보강토옹벽 3층 상부에 블록을 적층하여 보강토옹벽 4층을 형성한 후, 흙을 포설하고 다짐하는 단계와, 상기 블록 및 신장성 보강재를 설치하는 단계를 반복 수행하는 단계로 이루어진 보강토옹벽 시공방법에 있어서, A feature of the reinforcement soil retaining wall construction method according to the present invention for achieving the above object is, after breaking the reinforcement soil retaining wall installation point, leveling the floor flat, and using a block to form a layer of reinforcement soil retaining wall, Step of laying and compacting, laminating blocks on the first layer of reinforcing soil wall to form a two layers of reinforcing soil wall, then laying and compacting soil, and installing a reinforcement reinforcement on the second layer of reinforcing soil wall And forming three layers of reinforcing soil walls using blocks on top of the reinforcement reinforcement, laying and compacting soil, and forming four layers of reinforcing soil walls by stacking blocks on the three layers of reinforcing soil walls. In the reinforcement soil retaining wall construction method comprising the steps of laying and compacting the soil, and the step of repeatedly installing the block and the reinforcement reinforcement,

상기 보강토옹벽의 총 높이에서 1/4 ~ 2/4 높이에 위치한 신장성 보강재 사이에 비신장성 보강재가 설치되는 것을 특징으로 하는 보강토옹벽 시공방법.Reinforcement soil retaining wall construction method characterized in that the non-extension reinforcement is installed between the extensible reinforcement located in the 1/4 ~ 2/4 height of the total height of the reinforced soil retaining wall.

보강토, 옹벽, 보강재, 신장성, 비신장성 Reinforced soil, retaining wall, reinforcement, extensibility, non-extension

Description

보강토옹벽 시공방법{a retaining wall construction method}Retaining wall construction method

본 발명은 신장성보강재와 비신장성 보강재를 혼용하여 보강토옹벽을 시공하는 보강토옹벽 시공방법에 관한 것이다.The present invention relates to a reinforced soil retaining wall construction method for constructing a reinforced soil retaining wall by using a stretchable reinforcing material and a non-extensionable reinforcing material.

보강토 공법이란 흙속에 보강재를 삽입하여 흙과 보강재사이의 인발저항특성에 의해 지반의 강도를 증가시키는 공법으로 대표적인 보강토 공법 중에는 보강토 옹벽이 있다. The reinforcement soil method is a method to increase the strength of the ground by inserting reinforcement material into the soil by the pullout resistance between the soil and the reinforcement material.

이러한 보강토옹벽은 도 1에 도시한 바와 같이, 블록이 적층되고, 이 블록의 후면에 흙이 성초되며, 상기 블록 사이에 띄엄띄엄 보강재가 부설되어 외력이나 토압에 저항하는 구조물로서, 기존 콘크리트 옹벽을 대신하여 많이 시공되고 있다.As shown in FIG. 1, the reinforced soil retaining wall is a structure in which blocks are stacked, soil is formed on the rear of the block, and spacing reinforcement is disposed between the blocks to resist external force or earth pressure. Many construction is instead.

상기 보강재는 비신장성 보강재라 할 수 있는 금속재와, 신장성보강재라 할 수 있는 토목섬유를 주재료로 하는 시트(sheet)형, 그리드(Grid)형, 스트립(Strip)형 등으로 제작한 많은 제품들이 있다.The reinforcement material is made of a sheet material, a grid type, a strip type, etc., which are mainly made of a metal material which can be referred to as non-extensible reinforcement, and a reinforcing reinforcement. have.

1980년대 초기에는 비신장성보강재인 금속재를 주로 사용하였으나, 비신장성 보강재는 무게가 무거워 운반 및 설치 시 어려운 점이 있고, 또한 부식으로 인한 내구성 감소 문제가 되어 그 사용량이 감소하는 추세에 있다.In the early 1980s, metal materials, which are non-extension reinforcement materials, were mainly used, but non-extension reinforcement materials are heavy and difficult to transport and install, and also have a problem of decreasing durability due to corrosion.

우리나라의 경우 1994년 신장성보강재인 지오그리드 도입을 기점으로 보강토옹벽의 시장이 급속히 팽창하였으며, 지오그리드를 사용한 블록식 옹벽이 많이 시공되고 있는 추세다. In Korea, the market for reinforced earth retaining walls expanded rapidly in 1994 with the introduction of geogrid, which is an extensible reinforcement material, and a lot of block type retaining walls using geogrids are being built.

그러나, 현재 보강토 옹벽 시공 시 신장성 보강재 또는 비신장성 보강재 중 어느 하나를 선택하여 시공하고 있다.However, at the time of construction of the reinforced earth retaining wall construction is selected by either the extensible reinforcement or non-extension reinforcement.

신장성 보강재를 사용하는 경우, 보강재 자체의 신장특성으로 인해 보강토체는 어느 정도 변형을 일으키게 된다. 즉, 도 2에 도시한 바와 같이, 보강토 옹벽의 중간부분에서 배부름 현상이 나타나는 문제점이 있다.In the case of using the reinforcement reinforcement, the reinforcement soil is deformed to some extent due to the elongation characteristics of the reinforcement itself. That is, as shown in Figure 2, there is a problem that the appearance phenomenon in the middle of the reinforced soil retaining wall.

비신장성 보강재를 사용하는 경우에는 배부름 현상은 발생하지 아니하나, 신장성 보강재에 비해 무게가 무거워 운반 및 설치가 쉽지 아니하고, 가격이 비신장성 보강재에 비해 비싸며, 부식으로 인해 보강재의 내구성이 떨어져 옹벽이 무너질 수 있는 문제점이 있었다.In the case of using non-extension reinforcement, there is no hungry phenomenon, but the weight is heavier than extensible reinforcement, so it is not easy to transport and install, and the price is higher than that of non-extension reinforcement, and the retaining wall is less durable due to corrosion. There was an issue that could crumble.

본 발명은 상기한 종래 기술에 따른 제반 문제점을 해결하기 위하여 제안된 것으로, 신장성 보강재와 비신장성 보강재를 혼용하여 신장성 보강재의 배부름 현 상을 억제하고, 비신장성 보강재의 비용, 운반과 설치 및 부식에 의해 내구성이 감소하여 보강토 옹벽의 구조적 결함 즉, 무너짐을 예방한 보강토옹벽 시공방법에 관한 것이다.The present invention has been proposed in order to solve the above problems according to the prior art, by using a stretchable reinforcement and non-extension reinforcement to suppress the load phenomenon of the stretchable reinforcement, the cost, transportation and installation of the non-extension reinforcement And a method of constructing a reinforced soil retaining wall which prevents structural defects, that is, collapse of the reinforced soil retaining wall by decreasing durability due to corrosion.

상기한 목적을 달성하기 위한 본 발명에 따른 보강토옹벽 시공방법의 특징은, 보강토옹벽 설치 지점을 터파기한 후, 바닥을 평평하게 고르는 단계와, 블록을 이용하여 보강토옹벽 1층을 형성한 후, 흙을 포설하고 다짐하는 단계와, 상기 보강토옹벽 1층 상부에 블록을 적층하여 보강토옹벽 2층을 형성한 후, 흙을 포설하고 다짐하는 단계와, 상기 보강토옹벽 2층 상부에 신장성 보강재를 설치하는 단계와, 상기 신장성 보강재 상부에 블록을 이용하여 보강토옹벽 3층을 형성한 후, 흙을 포설하고 다짐하는 단계와, 상기 보강토옹벽 3층 상부에 블록을 적층하여 보강토옹벽 4층을 형성한 후, 흙을 포설하고 다짐하는 단계와, 상기 블록 및 신장성 보강재를 설치하는 단계를 반복 수행하는 단계로 이루어진 보강토옹벽 시공방법에 있어서, A feature of the reinforcement soil retaining wall construction method according to the present invention for achieving the above object is, after breaking the reinforcement soil retaining wall installation point, leveling the floor flat, and using a block to form a layer of reinforcement soil retaining wall, Step of laying and compacting, laminating blocks on the first layer of reinforcing soil wall to form a two layers of reinforcing soil wall, then laying and compacting soil, and installing a reinforcement reinforcement on the second layer of reinforcing soil wall And forming three layers of reinforcing soil walls using blocks on top of the reinforcement reinforcement, laying and compacting soil, and forming four layers of reinforcing soil walls by stacking blocks on the three layers of reinforcing soil walls. In the reinforcement soil retaining wall construction method comprising the steps of laying and compacting the soil, and the step of repeatedly installing the block and the reinforcement reinforcement,

상기 보강토옹벽의 총 높이에서 1/4 ~ 2/4 높이에 위치한 신장성 보강재 사이에 비신장성 보강재가 설치되는 것을 특징으로 한다.It is characterized in that the non-extension reinforcement is installed between the reinforcement reinforcement located in the 1/4 ~ 2/4 height from the total height of the reinforcing soil retaining wall.

이상에서 상술한 바와 같이, 본 발명에 따른 보강토옹벽 시공방법은 보강토 옹벽의 총높이에서 1/4 ~ 2/4 높이에 비신장성 보강재가 더 설치됨으로써, 기존의 신장성보강재만 사용할 때 발생되었던 배부름 현상을 완화시켰으며, 또한, 일정 높이에만 비신장성 보강재를 설치함으로써 기존의 비신장성 보강재의 문제점 즉, 비용문제, 운반 및 설치 문제, 부식으로 인해 보강토옹벽이 무너질 수 있는 문제점을 해결한 효과가 있다.As described above, the reinforcement soil retaining wall construction method according to the present invention by installing a non-extensible reinforcement at a height of 1/4 ~ 2/4 from the total height of the reinforced soil retaining wall, the ship was generated when using the existing stretchable reinforcement only In addition, the call phenomenon is alleviated, and by installing the non-extension reinforcement only at a certain height, it solves the problems of the existing non-extension reinforcement, that is, the cost problem, transportation and installation problem, and the problem that the reinforcing soil wall may collapse due to corrosion. have.

다시 말해, 신장성 보강재와 비신장성 보강재를 혼용함으로써 기존의 신장성 보강재를 이용한 보강토 옹벽과 비신장성 보강재를 이용한 보강토 옹벽의 문제점을 해결한 지대한 효과가 있다.In other words, by using a stretchable reinforcement and an inextensible reinforcement, there is a great effect of solving the problems of the reinforcement earth retaining wall using the existing reinforcement reinforcement and the reinforcement retaining wall using the non-extension reinforcement.

이하, 본 발명에 따른 보강토옹벽 시공방법의 바람직한 실시 예를 첨부한 도면을 참조하여 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings a preferred embodiment of the reinforced earth retaining wall construction method according to the present invention.

도 3은 본 발명에 따른 보강토옹벽 시공방벙을 통해 이루어진 보강토옹벽을 나타낸 도면이고, 도 4는 도 3의 거동특성을 나타낸 도면이며, 도 5는 본 발명에 따른 보강토옹벽 시공방벙을 통해 이루어진 보강토옹벽의 비교예를 나타낸 도면이다.Figure 3 is a view showing the reinforcement soil wall made through the reinforcement soil wall construction method according to the present invention, Figure 4 is a view showing the behavior characteristics of Figure 3, Figure 5 is a reinforcement soil wall made through the reinforcement soil wall construction method according to the present invention It is a figure which shows the comparative example of the.

본 발명에 따른 보강토옹벽 시공방법을 설명하면 다음과 같다.Referring to the reinforced soil retaining wall construction method according to the invention as follows.

먼저, 블록이 몇층으로 적층된 보강토옹벽을 시공할 것인지 확인한다.First, it is checked how many layers of reinforcement soil walls are to be laminated.

그리고, 보강토옹벽 설치 지점을 터파기한 후, 바닥을 평평하게 고른다.Then, after digging the reinforcement soil retaining wall installation point, the floor is evenly leveled.

그런 다음, 블록을 이용하여 보강토옹벽 1층을 형성하고, 1층을 이루는 블록의 뒷공간에 흙을 포설한 다음 다짐 작업을 한다.Then, the first layer of reinforced earth retaining wall is formed using the block, the soil is laid in the back space of the block forming the first layer, and then compacted.

그런 후, 상기 보강토옹벽 1층 상부에 블록을 적층하여 보강토옹벽 2층을 형성하고, 2층을 이루는 블록의 뒷공간에 흙을 포설한 다음 다짐 작업을 한다.Then, by stacking the blocks on the first floor of the reinforced earth retaining wall to form a second layer of reinforcement earth retaining wall, the soil is laid in the back space of the block forming the second layer and then compacted.

계속해서, 2층을 형성한 블록과, 이 블록의 뒷공간에 위치한 흙의 상부에 위치하도록 신장성 보강재 즉, 지오그리드를 설치한다.Subsequently, an elongate reinforcement, that is, a geogrid, is provided so as to be located on the upper part of the block having two layers and the soil located behind the block.

그리고, 상기 신장성 보강재 상부 즉, 보강토옹벽 2층의 상부에 블록을 이용하여 보강토옹벽 3층을 형성한 후, 2층을 이루는 블록의 뒷공간에 흙을 포설한 다음 다짐 작업을 한다.Then, after forming the three layers of reinforcing soil wall using the block on the upper portion of the reinforcement reinforcement, that is, the two layers of reinforcing soil wall, the soil is laid in the back space of the block forming the second layer and then compacted.

그런 다음, 상기 보강토옹벽 3층 상부에 블록을 적층하여 보강토옹벽 4층을 형성하고, 4층을 이루는 블록의 뒷공간에 흙을 포설한 다음 다짐 작업을 한다.Then, by stacking the blocks on the upper three layers of the reinforced soil retaining wall to form the four layers of the reinforced soil retaining wall, the soil is laid in the back space of the block forming the four layers and then compacted.

상기와 같이 블록을 적층하고, 신장성 보강재를 포설하는 방법을 반복적으로 행하여 보강토 옹벽을 시공한다.As described above, a method of stacking blocks and installing an extensible reinforcing material is repeatedly performed to construct a reinforcing soil retaining wall.

이때, 보강토옹벽의 총 높이에서 1/4 ~ 2/4 높이에 위치한 신장성 보강재 사이에 비신장성 보강재를 설치한다.At this time, the non-extensible reinforcement is installed between the reinforcement reinforcement located in the 1/4 ~ 2/4 height from the total height of the reinforced soil retaining wall.

상기 비신장성 보강재는 금속재로 이루어지며, 신장성 보강재는 토목섬유로 이루어진다.The non-extension reinforcement is made of a metal material, the extensible reinforcement is made of geotextiles.

도 3은 본 발명에 따른 보강토옹벽 시공방법을 통해 시공된 보강토옹벽을 나 타낸 도면으로 24층으로 이루어진다.Figure 3 is a view showing the reinforced soil retaining wall constructed through the reinforced soil retaining wall construction method according to the present invention consists of 24 layers.

도 3에 도시된 바와 같이, 보강토옹벽의 총 높이 1/4에 위치한 블록 즉, 6층 블록 상부에 위치한 신장성 보강재와, 보강토옹벽의 총 높이 2/4에 위치한 블록 즉, 12층 블록 상부에 위치한 신장성 보강재 사이에 비신장성 보강재가 설치된다.As shown in FIG. 3, the reinforcement reinforcement located at the total height 1/4 of the reinforced soil retaining wall, that is, the six-layer block, and the block located at the total height 2/4 of the reinforcement retaining wall, that is, the upper 12-layer block. An inextensible stiffener is installed between the extensible stiffeners located.

다시 말해, 7층과, 9층과, 11층을 이루는 블록의 상부에 비신장성 보강재가 위치한다.In other words, an inextensible reinforcing material is located on the upper part of the block that forms the seventh, nineth, and eleventh layers.

이와 같이 이루어진 보강토 옹벽은 도 4에 도시한 바와 같이, 일정 시간 경과 후, 배부름 현상이 발생되나, 신장성 보강재만 사용한 기존의 보강토옹벽에 비해 배부름 현상이 억제된다.As shown in FIG. 4, the reinforcement soil retaining wall formed as described above has a load phenomenon after a predetermined time, but the load phenomenon is suppressed as compared with the existing reinforcement soil retaining wall using only the reinforcing reinforcement material.

다시 말해, 도 2의 종래 신장성 보강재를 이용하여 만든 보강토 옹벽의 최대수평변위길이(l)보다 본 발명에 따른 보강토 옹벽 시공방법으로 만든 보강토 옹벽의 최대수평변위길이(L)가 적다.In other words, the maximum horizontal displacement length L of the reinforced soil retaining wall made by the reinforcement soil retaining wall construction method according to the present invention is less than the maximum horizontal displacement length l of the reinforced soil retaining wall made using the conventional extensible reinforcement of FIG. 2.

한편, 도 4에 도시한 바와 같이, 블록이 상부층으로 갈수록 정면으로 돌출되어 구조적 안정성에 문제가 있지만, 이는 실제로 블록 시공 시 적층되는 블록을 보강토 방향으로 일정 간격 이동 설치됨으로써 실질적으로 완성된 보강토옹벽을 이러한 구조적 문제점이 해결됨과 동시에 최대수평변위길이를 최소화한 보강토옹벽 시공방법이다.On the other hand, as shown in Figure 4, the block protrudes toward the upper layer toward the upper layer, there is a problem in the structural stability, but this is actually installed by moving the blocks stacked at a certain interval in the direction of the reinforcement soil in the block construction substantially completed the reinforced earth retaining wall This structural problem is solved and reinforced soil retaining wall construction method minimizes the maximum horizontal displacement length.

도 5는 본 발명에 따른 보강토옹벽 시공방법의 비교 예를 통해 만들어진 보 강토옹벽으로, 보강토옹벽 총 높이의 2/4 ~ 3/4 높이에 위치한 신장성 보강재 사이 즉, 13층 15층 17층 블록의 상부에 비신장성 보강재가 설치된 것으로, 본 발명에 따른 보강토옹벽 시공방법을 통해 만들어진 보강토옹벽에 비해 배부름 현상 즉, 본 발명에 따른 보강토옹벽 시공방법으로 만든 보강토옹벽의 최대수평변위길이(L)보다 최대수평변위길이(L')가 크다.Figure 5 is a reinforced soil retaining wall made through a comparative example of the construction method of the reinforced soil retaining wall according to the present invention, that is, between the stretchable reinforcement located in the height of 2/4 to 3/4 of the total height of the reinforced soil retaining wall, that is, 13 layers 15 layers 17 layers block As the non-extension reinforcement is installed on the upper part of the reinforcement, the maximum horizontal displacement length (L) of the reinforcement soil wall made by the reinforcement soil wall construction method compared to the reinforcement soil wall made by the reinforcement soil wall construction method according to the present invention (L) The maximum horizontal displacement length L 'is larger.

도 1은 종래의 보강토옹벽을 나타낸 도면이고, 1 is a view showing a conventional reinforced earth retaining wall,

도 2는 종래의 보강토옹벽의 거동특성을 나타낸 도면이며, 2 is a view showing the behavior of the conventional reinforced soil retaining wall,

도 3은 본 발명에 따른 보강토옹벽 시공방벙을 통해 이루어진 보강토옹벽을 나타낸 도면이고, 3 is a view showing a reinforced soil retaining wall made through the reinforcement soil retaining wall construction method according to the present invention,

도 4는 도 3의 거동특성을 나타낸 도면이며,4 is a view showing the behavior characteristics of FIG.

도 5는 본 발명에 따른 보강토옹벽 시공방법의 비교 예를 나타난 도면이다.5 is a view showing a comparative example of the reinforced soil retaining wall construction method according to the present invention.

Claims (1)

보강토옹벽 설치 지점을 터파기한 후, 바닥을 평평하게 고르는 단계와, 블록을 이용하여 보강토옹벽 1층을 형성한 후, 흙을 포설하고 다짐하는 단계와, 상기 보강토옹벽 1층 상부에 블록을 적층하여 보강토옹벽 2층을 형성한 후, 흙을 포설하고 다짐하는 단계와, 상기 보강토옹벽 2층 상부에 신장성 보강재를 설치하는 단계와, 상기 신장성 보강재 상부에 블록을 이용하여 보강토옹벽 3층을 형성한 후, 흙을 포설하고 다짐하는 단계와, 상기 보강토옹벽 3층 상부에 블록을 적층하여 보강토옹벽 4층을 형성한 후, 흙을 포설하고 다짐하는 단계와, 상기 블록 및 신장성 보강재를 설치하는 단계를 반복 수행하는 단계로 이루어진 보강토옹벽 시공방법에 있어서, After digging the reinforcing soil wall installation point, leveling the floor flat, forming a layer of reinforcing soil wall using a block, laying and compacting soil, and stacking the block on the first layer of reinforcing soil wall After forming two layers of reinforcing soil walls, laying and compacting soil, installing a reinforcement reinforcement on the two layers of reinforcement soil wall, and forming a three layer of reinforcement soil wall using the block on the stretchable reinforcement material Thereafter, laying and compacting the soil, stacking blocks on the three layers of the reinforced soil retaining wall to form four layers of reinforcement soil, then laying and compacting the soil, and installing the block and the reinforcement reinforcement In the reinforcement soil retaining wall construction method consisting of repeating the steps, 상기 보강토옹벽의 총 높이에서 1/4 ~ 2/4 높이에 위치한 신장성 보강재 사이에 비신장성 보강재가 설치되는 것을 특징으로 하는 보강토옹벽 시공방법.Reinforcement soil retaining wall construction method characterized in that the non-extension reinforcement is installed between the extensible reinforcement located in the 1/4 ~ 2/4 height of the total height of the reinforced soil retaining wall.
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JP2004137779A (en) * 2002-10-18 2004-05-13 Kyokado Eng Co Ltd Reinforcing soil structure

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JP2004137779A (en) * 2002-10-18 2004-05-13 Kyokado Eng Co Ltd Reinforcing soil structure

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KR102554654B1 (en) 2023-03-21 2023-07-12 휘성개발 주식회사 Retaining wall structure for cutting area and builtup soil area using rock backfill structure

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