US20110110728A1 - Method for constructing an environmentally-friendly retaining wall using soil bags for vegetation and fixing members, and installation structure thereof - Google Patents
Method for constructing an environmentally-friendly retaining wall using soil bags for vegetation and fixing members, and installation structure thereof Download PDFInfo
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- US20110110728A1 US20110110728A1 US13/002,044 US200913002044A US2011110728A1 US 20110110728 A1 US20110110728 A1 US 20110110728A1 US 200913002044 A US200913002044 A US 200913002044A US 2011110728 A1 US2011110728 A1 US 2011110728A1
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- Prior art keywords
- retaining wall
- soil bag
- soil
- fixing members
- blocks
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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
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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
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0291—Retaining or protecting walls characterised by constructional features made up of filled, bag-like elements
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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
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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
- E02D29/0233—Retaining or protecting walls comprising retention means in the backfill the retention means being anchors
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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
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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
- E02D29/025—Retaining or protecting walls made up of similar modular elements stacked without mortar
Definitions
- the present invention relates to a method for constructing an environmentally-friendly retaining wall using a soil bag for vegetation and fixing members, and an installation structure thereof, and in particular to a method for constructing an environ mentally-friendly retaining wall using a soil bag for vegetation and fixing members, and an installation structure thereof in which a plurality of soil bags are made by filling soils, sand or the like into the soil bags, and a retaining wall is constructed by stacking the soil bags up to a certain height in alternating engagement ways, and the soil bags are firmly linked to be integral with each other with the aid of a plurality of fixing members which are provided in certain shapes, and geogrids are fixedly installed at the fixing members at regular intervals for thereby supporting the retaining wall, and a core net is installed at a front side of the retaining wall, and soils with vegetable seeds are coated therein by a certain thickness, and the retaining wall can have a reliable structure and stability by integrally connecting and fixing the soil bags with the aid of the fixing member, and the work efficiency and construction performance can
- a retaining wall is generally constructed at a slope area or a boundary area of river which are naturally formed when constructing a certain structure or a road in a mountain or a high hill for thereby protecting the structure by preventing the loss of soils and sand and the destruction of banks.
- a retaining wall for river is made by using a net of rocks.
- a revetment block is mainly used by curing concrete in a certain shape.
- a plurality of revetment are continuously arranged and fixed with the boundary area of a river is stabilized for thereby preventing the destruction of a bank by minimizing the loss of soils and sand, but it is not nature friendly.
- the construction of a retaining wall at a certain structure or a road or a slope area can be performed in various ways. For one example, there is a method for casting concrete at a construction site. In this case, a lot of workers are needed for installing frames and dismantling the same, which results in a bad economic construction. Since it is impossible to dismantle the frames until the concrete retaining wall cast in the frames fully cures, the construction period is elongated. In addition, surrounding environments are worsened.
- a prefabrication concrete retaining wall and its construction method of Patent registration number 0487838 is disclosed.
- a prefabrication type concrete retaining wall which includes a front wall body vertically arranged and formed of at least two drainages and picking up holes at a certain inner side, a bottom plate which is extended to form a horizontal section and an obtuse angle at a lower side of the front wall body, and a reinforcing rib extended to form a vertical section, horizontal section and an obtuse section between the front wall body and the bottom plate and having a connection joint hole at a side surface of the same; at least two pick up holes are formed in each of which an insert nut is provided in the center reinforcing rib at a front wall body so as to help pick up a prefabrication concrete retaining wall, and a pick up bolt is provided for thereby balancing the weight center.
- a retaining wall structure having engaged constructing units and a method for constructing the same of the patent registration number 0561696 which comprises a plurality of first construction units which form a horizontal first layer and are close to each other, a plurality of second construction units which form a horizontal second layer on the first layer and are close to each other, and a connection member which is disposed between the first and second layers for attaching the construction units of the second layer to the construction units of the first layer and is formed of a plate having an upper side and a lower side, a first protrusion set formed at the lower side of the plate and a second protrusion set formed at an upper side of the plate, while the protrusions being protruded into the construction units, respectively.
- connection member is disposed between the first layer and the second layer, and the first protrusion set is protruded into the construction units of the lower layer, and the second protrusion set is protruded into the construction units of the upper layer, and the plate formed of the upper and lower sides is extended over part of the two neighboring construction units which are horizontally formed to the first or second layer, and the protrusions of the upper side or lower side are protruded toward the two neighboring construction units which are horizontally extended being close to each other, and the protrusion of the lower side is formed of at least three protrusions at the lower side so as to horizontally support the plate at the first layer when the connection member is placed on the first layer.
- the conventional retaining wall structure is formed in such a manner that the layers of the first and second construction units are integrally linked with the aid of the connection member, so the engaging force of the connection structure seems to be better, but since the height of the protrusion protruded from the connection member, the length inserted into the soil bag, is short, which results in a worse reliability.
- the geogrid sheet inserted into the protrusion of the connection member has a bad engaging force, so the sheet could be pressed by the weight of soil when filling with soils, so it can escape from the protrusions, whereby the sheets do not work properly, which results in worsening the reliability and stability of the retaining wall.
- the germination rate of moss seeds in the interior of the soil bag is bad, so that it is impossible to obtain a desired greenery effect of the retaining wall while worsening the surrounding views.
- the storage, transportation and installation of the materials used for constructing a retaining wall are made easier for thereby enhancing the efficiency and construction workability while shortening the construction period, so it is possible to decrease the economic burden of the constructor.
- a plurality of soil bags are integrally connected for constructing the retaining wall with the aid of the fixing member, the reliability and stability of the retaining wall can be enhanced.
- the germination of seeds is enhanced, and the roots can be more easily grown in the soil bags for thereby more easily forming perfect greenery on the surfaces of the retaining wall.
- a method for constructing an environmentally-friendly retaining wall using a soil bag for vegetation and fixing members, and an installation structure thereof for protecting a structure formed in a mountain or a hill, a road or a slope at a river which comprises a first step in which a soil and sand supplied from a surrounding place of a construction site of a retaining wall are prepared, and a plurality of soil bags having certain standard sizes with the upper sides being open for receiving and storing the soil and sand are prepared, and a plurality of fixing members for connecting and fixing the soil bag blocks are prepared, and multiple sub-materials such as a plurality of geogrid sheets, a core net and seeds needed for the construction of the retaining wall are prepared; a second step in which a base layer is formed by flattening the surface of ground of a certain range in which the retaining wall is to be constructed through a basic construction; a third step in which the soils and sand are filled via the opened upper side of the soil bag prepared in the
- An installation structure of an environmentally-friendly retaining wall using a soil bag for vegetation and fixing members for protecting a structure formed in a mountain or a hill, a road or a slope at a river comprises a base layer which is formed so as to maintain a flattened state by performing a basic construction with respect to a ground in which a retaining wall is to be installed; a plurality of soil bag blocks which are filled with soils and sand by certain amounts and are vibrated and compressed to be formed in rectangular parallelepiped shapes; a fixing member in which a first column layer is formed by horizontally installing the soil bag blocks on the upper side of the base layer, and an alternating engagement is made in such a manner that the centers of the other soil bag blocks are positioned at the upper sides of the portions in which the soil bag blocks forming the first column layer are alternately engaged with each other and are struck for thereby forming a second column layer, and a plurality of fixing members are struck into the upper sides of each soil bag block for thereby integrally connecting and fixing the first column layer and the
- the present invention is directed to providing a method for constructing an environ mentally-friendly retaining wall using a soil bag for vegetation and fixing members, and an installation structure thereof for thereby making the storage, transportation and installation of the materials used for the construction of the retaining wall convenient which leads to an enhanced workability efficiency and construction performance while shortening the work period and decreasing an economic burden to the constructor. Since a plurality of soil bags used for forming a retaining wall with the aid of the fixing member are integrally connected and fixed for thereby enhancing a reliability and stability of the retaining wall and increasing a germination rate of seeds and making the roots of the germinated plants well grow in the soil bags, which leads to constructing a perfect greenery on the surface of the retaining wall.
- FIG. 1 is a view of a construction process of a retaining wall according to the present invention
- FIGS. 2 and 3 are cross sectional views of an installation structure of a retaining wall according to the present invention.
- FIG. 4 is an exemplary view of a soil bag according to the present invention.
- FIG. 5 is a schematic view of a formation procedure of a soil bag block according to the present invention.
- FIG. 6 is an isolated perspective view of a construction procedure of a retaining wall according to the present invention.
- FIG. 7 is a front cross sectional view of an engaged state of FIG. 6 ;
- the method for constructing an environmentally-friendly retaining wall using a soil bag for vegetation and fixing members, and an installation structure thereof for protecting a structure formed in a mountain or a hill, a road or a slope at a river comprises:
- a first step S 10 in which a soil and sand G supplied from a surrounding place of a construction site of a retaining wall 100 are prepared, and a plurality of soil bags 22 having certain standard sizes with the upper sides being open for receiving and storing the soil and sand G are prepared, and a plurality of fixing members 50 for connecting and fixing the soil bag blocks 20 are prepared, and multiple sub-materials such as a plurality of geogrid sheets 60 , a core net 80 and seeds needed for the construction of the retaining wall 100 are prepared;
- a second step S 20 in which a base layer 10 is formed by flattening the surface of ground of a certain range in which the retaining wall 100 is to be constructed through a basic construction
- a fourth step S 40 in which a first column layer 30 is formed by continuously arranging a plurality of soil bag blocks 20 in a horizontal direction on the upper side of a base layer 10 formed in the second step S 20 , and an end of the fixing member 50 is struck to penetrate up to the base layer 10 through the upper side of the soil bag block 20 , so a plurality of soil bag blocks 20 are firmly fixed at the base layer 10 for thereby forming a first column layer 30 ;
- a fifth step S 50 in which a second column layer 40 is formed by continuously arranging a plurality of soil bag blocks 20 in a horizontal direction on the upper side of the first column layer 30 formed in the fourth step S 40 , and in a state that an alternating engagement is made in such a manner that the centers of the soil bag blocks 20 forming the second column layer 40 are positioned at the upper side of the engaged portion with which the soil bag blocks 20 forming the first column layer 30 contact, a plurality of the fixing members 50 are struck from the upper side of the soil bag blocks 20 forming the second column layer 40 , so the end of the fixing member 50 penetrate into up to the intermediate height of the soil bag blocks 20 forming the first column layer 30 for thereby firmly fixing the second column layer 40 ;
- a sixth step S 60 in which a retaining wall 100 is constructed up to a desired height by repeatedly performing the fifth step S 50 , and an end of the geogrid sheet 60 having a certain length at a certain interval is inserted into the fixing member 50 which fixes the soil bag blocks 20 and is firmly fixed at the soil bag block 20 with the aid of the striking of the fixing member 50 , and the other end of the geogrid sheet 60 is horizontally elongated toward the backside of the retaining wall 100 and is buried when filling soils for thereby supporting the soil bag blocks 20 ;
- a ninth step S 90 in which a mixture is made by mixing seeds to be planted at the core net 80 installed in the eighth step S 80 , soils and humectants at a certain ratio and is cast with a certain thickness by means of a pumping apparatus for thereby forming a greenery layer 90 , and the seeds germinate as time passes for thereby making greenery on the surface of the retaining wall 100 .
- FIG. 1 is a view of a construction process of a retaining wall according to the present invention
- FIGS. 2 and 3 are cross sectional views of an installation structure of a retaining wall according to the present invention
- FIG. 4 is an exemplary view of a soil bag according to the present invention
- FIG. 5 is a schematic view of a formation procedure of a soil bag block according to the present invention
- FIG. 6 is an isolated perspective view of a construction procedure of a retaining wall according to the present invention
- FIG. 7 is a front cross sectional view of an engaged state of FIG. 6 and
- FIG. 8 is a perspective view of a fixing member according to the present invention.
- the construction method of the nature friendly retaining wall 100 comprises first to ninth steps, and the installation structure of the retaining wall 100 constructed by means of the construction method of the present invention comprises a base layer 10 , a soil bag block 20 , first and second column layers 30 and 40 , a fixing member 50 , a geogrid sheet 60 , an upper layer 70 , a core net 80 , and a greenery layer 90 .
- the first step S 10 materials needed for constructing a retaining wall are prepared to an extend that works can be fast performed. Soils and sand can be supplied from the surrounding area of the construction site, and the soil bags used for forming the soil bag block 20 are made by sewing polypropylene non-woven fabric with its upper side being open and are supplied in multiple numbers in a certain size bag shape. Pluralities of the fixing members 50 of certain sizes, the geogrid sheets 60 and the core nets 80 and seeds are prepared.
- a base layer 10 is formed.
- the range of the construction of the retaining wall 100 is determined, and the ground which becomes the basis of the retaining wall 100 is hardened by using equipment (not shown) such as a hardening roller, a vibration compact and rammer for thereby forming a base layer 10 .
- a plurality of soil bag block 20 are installed at the base layer 10 for thereby forming a first column layer 30 .
- the soil bag blocks 20 are continuously arranged on the upper side of the base layer 10 in a horizontal direction, and at least three or four fixing members 50 are struck into the upper side of one soil bag block 20 at regular intervals, so the ends of the same pass through the soil bag blocks 20 and insert by a certain depth of the base layer 10 for thereby firmly fixing the soil bag blocks.
- the striking of the fixing members 50 is performed for enhancing the workability by using a vibration hammer (not shown).
- the second column layer 40 is formed on an upper side of the first column layer 30 formed in the fourth step S 40 .
- the center portions of the other soil bag blocks 20 are positioned at the portion where both sides of the soil bag blocks 20 belonging to the first column layer 20 in the course of stacking process in alternately engaging ways with each other for thereby forming the second column layer 40 .
- Three or four fixing members 50 are struck into the upper side of each soil bag block 20 belonging to the second column layer 40 , so the second column layer 40 passes through the soil bag blocks 20 , and the ends of the fixing members 50 penetrate up to the intermediate portion of the soil bag block 20 positioned at the first column layer 30 for thereby integrally connecting the soil bag blocks 20 of the first and second column layers 30 and 40 .
- the process of the fifth step S 50 is repeatedly performed on the upper side of the second column layer 40 formed in the fifth step S 50 , so a desired height is obtained by stacking a plurality of the soil bag blocks 20 for thereby constructing a retaining wall 100 .
- the geogrid sheet 60 are installed at every layer at regular intervals so that the soil bag blocks 20 are not pushed back by means of the pressure of the soils buried at the rear side of the retaining wall 100 . In a state that one end of the geogrid sheet 60 is inserted into the fixing member 50 which is used for fixing the soil bag blocks 20 arranged at each layer, the fixing members 50 is struck for thereby obtaining a reliable and stable connection.
- the other end of the same is buried by means of a soil burying method by extending the same to the backward direction.
- the geogrid sheets 60 are installed at certain heights and regular intervals over the whole portions of the retaining wall 100 for firmly supporting the soil bag blocks 20 with the aid of the weight pressures of the soils.
- the top layer 70 of the retaining wall 100 formed in the fifth and sixth steps S 50 and S 60 is stabilized.
- One ends of two geogrid sheets 60 are positioned at the upper sides of the soil bag blocks 20 which are stacked on the top layer of the retaining wall 100 and are concurrently fixed by means of the fixing members 50 .
- the other side of one geogrid sheet 60 faces the front side of the retaining wall 100
- the other side of the other geogrid sheet 60 faces the backward side of the retaining wall, so the soil bag block 20 in which the forward geogrid sheet 60 is covered, and the other end is extended to face the back side of the retaining wall 100 and is overlapped with the geogrid sheet 60 which faces the back side.
- the soil bag blocks 20 are stacked on the upper side of the same in a dual structure, and the other end of the geogrid sheet 60 is buried in the course of soil filling, so the upper layer 70 of the retaining wall 100 having a dual structure is formed.
- a core net 80 is installed at the retaining wall 100 formed in the seventh step S 70 .
- the core net 80 formed of a woven palm tree fiber or hemp fiber in a certain size is firmly covered over the entire surfaces of the retaining wall 100 .
- the greenery layer 90 is formed so that the front surface of the retaining wall 100 can have greenery.
- the seeds to be planted at the core net 80 installed in the eighth step S 80 and soils and moisturizer are mixed at a certain ratio and are cast at a certain thickness with the aid of a pumping apparatus (not shown), and the seed geminates as time passes, so that greenery is made on the surface of the retaining wall 100 .
- the soils mixed with seeds and moistures are absorbed and germinated into the core net 80 before the core net 80 is installed at the front side of the retaining wall 100 by the eighth step S 80 , so it is possible to make greenery on the surface of the retaining wall 100 without performing the ninth step S 90 .
- both lower side of the soil bag 22 are sewed for thereby forming the sewed line having a certain length, and the soil bag 22 is made inner side out, and soils and sand G are filled into the soil bag block 20 and is formed in a rectangular parallelepiped shape with a certain height. So, when the soil bag blocks 20 are horizontally stacked, an alternate engagement is made.
- Organic fertilizer and polymer humectants extracted from plants are mixed with the soils and sand to be filled into the soil bag 22 and are agitated and inputted into the soil bag 22 , by which it is possible to shorten germination period.
- the soil bag blocks 20 lay horizontally on the upper side of the ground which corresponds to the base layer 10 with both ends being engaged continuously, and are fixed integrally with the base layer 10 with the aid of the fixing members 50 .
- the second column layer 40 is continuously arranged on the upper side of the first column layer 30 .
- the center portions of another soil bag 20 are positioned in alternately engaging shapes in multiple layers on the upper side of the portion where the soil bags 20 forming the first column layer 30 are engaged with one another, and then the second column layer 40 is integrally engaged with the first column layer 30 with the aid of the fixing members 50 .
- the fixing members 50 help a plurality of soil bag blocks 20 , which are to be stacked at a certain height in the same method on the first and second column layers 30 and 40 and higher layers, to be integrally connected and fixed with each other. At least three or fourth fixing members 50 are struck per soil bag block 20 and pass through the first column layer 30 and penetrate by a certain depth of the base layer 10 for a durable fixing. It is integrally connected with the first column layer 30 positioned below the second column layer 40 , so all the soil bag blocks 20 stacked on the upper side of the second column layer 40 are integrally and durably connected and fixed.
- the fixing member 50 is preferably made of a synthetic resin or metallic material having an excellent strength by an injection and molding method.
- One end of the geogrid sheet 60 is disposed and stably fixed between the pole 52 and the fixing protrusion 58 .
- the elongated length of the geogrid sheet 60 is selectively determined depending on the change of the height of an installation position. It has about 70% length of the installation height.
- the height of the installation interval is preferably about 70 ⁇ 80 cm, and the width of the installation intervals is determined to an extent that one geogrid sheet 60 can be installed per two or three soil bag blocks 20 .
- the upper layer 70 represents the upper most portion of the retaining wall 100 .
- one end of each of two geogrid sheets 60 is positioned with a certain interval at the upper sides of the soil bag blocks 20 to be stacked on the top layer and is concurrently fixed with the aid of the fixing member 50 .
- the other end of one geogrid sheet 60 faces the front side of the retaining wall 100
- the other end of the other geogrid sheet 60 faces the back side of the retaining wall.
- the core net 80 is formed of a woven palm tree fiber or hemp fiber in a net shape with a certain size and helps easily form the greenery layer 90 when it is stably fixed to the whole surfaces of the retaining wall 100 .
- the greenery layer 90 is formed so as to make the greenery on the whole surfaces of the retaining wall 100 in such a manner that a mixture made by mixing soft soils around construction sites and seeds of plants to be used for making greenery and humectants extracted from plants, fibers and coloring agents and by agitating the same is cast on the surfaces of the retaining wall 100 by using a separately supplied pumping apparatus, in which the core net 80 is installed, at a certain thickness. At this time, it is preferred that the seeds are to matured for 2 ⁇ 3 days at 30 ⁇ 35° C. so as to enhance the germination rate.
- the present invention provides a method for constructing an environ mentally-friendly retaining wall using a soil bag for vegetation and fixing members, and an installation structure thereof for thereby making a storage, transportation and installation of construction materials used for constructing the retaining wall easier, whereby it is possible to enhance a work efficiency and construction performance.
- the construction period can be shortened, and the economic burden of the constructor can be reduced.
- the roots of the germinated plants can easily grow in the soil bag blocks, so it is possible to make reliable greenery on the surfaces of the retaining wall, which helps enhance an industrial applicability of the products.
Abstract
The present invention relates to a method for constructing an environmentally-friendly retaining wall using a soil bag for vegetation and fixing members and an installation structure thereof, in which the retaining wall is constructed by staggering soil bag blocks filled with regular amounts of soil. In detail, the upper and lower soil bag blocks are firmly fixed into a single body by a plurality of fixing members of a predetermined shape, a geogrid sheet of a predetermined length is set up and firmly fixed to the fixing members to form a retaining wall, a core net is installed on the surface of the retaining wall, soil and seeds of plants to be vegetated are mixed, and the mixture is placed so that the seeds can be actively germinated and the surface of the retaining wall can be fully afforested, thus not only enabling easy storage, transportation and installation of materials for the construction of the retaining wall, improving work efficiency and workability, and shortening the working time and reducing the economic burden of a constructor, but also improving the firmness and stability of the retaining wall by connecting and fixing a plurality of soil bag blocks into a single body through the fixing members, improving the germination of seeds, enabling the roots of germinated plants to be easily struck into the soil bag blocks, and thus providing perfect areas of greenery on the surface of the retaining wall.
Description
- The present invention relates to a method for constructing an environmentally-friendly retaining wall using a soil bag for vegetation and fixing members, and an installation structure thereof, and in particular to a method for constructing an environ mentally-friendly retaining wall using a soil bag for vegetation and fixing members, and an installation structure thereof in which a plurality of soil bags are made by filling soils, sand or the like into the soil bags, and a retaining wall is constructed by stacking the soil bags up to a certain height in alternating engagement ways, and the soil bags are firmly linked to be integral with each other with the aid of a plurality of fixing members which are provided in certain shapes, and geogrids are fixedly installed at the fixing members at regular intervals for thereby supporting the retaining wall, and a core net is installed at a front side of the retaining wall, and soils with vegetable seeds are coated therein by a certain thickness, and the retaining wall can have a reliable structure and stability by integrally connecting and fixing the soil bags with the aid of the fixing member, and the work efficiency and construction performance can be enhanced for thereby shortening the construction period, while providing a green and esthetic space with the aid of the retaining wall of the present invention.
- As well known in the art, a retaining wall is generally constructed at a slope area or a boundary area of river which are naturally formed when constructing a certain structure or a road in a mountain or a high hill for thereby protecting the structure by preventing the loss of soils and sand and the destruction of banks.
- When a conventional retaining wall is constructed, a retaining wall for river is made by using a net of rocks. In recent years, a revetment block is mainly used by curing concrete in a certain shape. In the construction method, a plurality of revetment are continuously arranged and fixed with the boundary area of a river is stabilized for thereby preventing the destruction of a bank by minimizing the loss of soils and sand, but it is not nature friendly.
- The construction of a retaining wall at a certain structure or a road or a slope area can be performed in various ways. For one example, there is a method for casting concrete at a construction site. In this case, a lot of workers are needed for installing frames and dismantling the same, which results in a bad economic construction. Since it is impossible to dismantle the frames until the concrete retaining wall cast in the frames fully cures, the construction period is elongated. In addition, surrounding environments are worsened.
- In order to overcome the above problems, a prefabrication concrete retaining wall and its construction method of Patent registration number 0487838 is disclosed. In a prefabrication type concrete retaining wall which includes a front wall body vertically arranged and formed of at least two drainages and picking up holes at a certain inner side, a bottom plate which is extended to form a horizontal section and an obtuse angle at a lower side of the front wall body, and a reinforcing rib extended to form a vertical section, horizontal section and an obtuse section between the front wall body and the bottom plate and having a connection joint hole at a side surface of the same; at least two pick up holes are formed in each of which an insert nut is provided in the center reinforcing rib at a front wall body so as to help pick up a prefabrication concrete retaining wall, and a pick up bolt is provided for thereby balancing the weight center. In this case, it is possible to shorten the construction period of the retaining wall, but a lot of time is needed to move a heavy concrete retaining wall to a certain construction site, which costs a lot to a constructor. When moving from a loading place to an installation place, there are many limits. Since the retaining wall is not natural friendly, it is impossible to obtain a desired effect.
- In recent years, a retaining wall structure having engaged constructing units and a method for constructing the same of the patent registration number 0561696 is disclosed, which comprises a plurality of first construction units which form a horizontal first layer and are close to each other, a plurality of second construction units which form a horizontal second layer on the first layer and are close to each other, and a connection member which is disposed between the first and second layers for attaching the construction units of the second layer to the construction units of the first layer and is formed of a plate having an upper side and a lower side, a first protrusion set formed at the lower side of the plate and a second protrusion set formed at an upper side of the plate, while the protrusions being protruded into the construction units, respectively. The connection member is disposed between the first layer and the second layer, and the first protrusion set is protruded into the construction units of the lower layer, and the second protrusion set is protruded into the construction units of the upper layer, and the plate formed of the upper and lower sides is extended over part of the two neighboring construction units which are horizontally formed to the first or second layer, and the protrusions of the upper side or lower side are protruded toward the two neighboring construction units which are horizontally extended being close to each other, and the protrusion of the lower side is formed of at least three protrusions at the lower side so as to horizontally support the plate at the first layer when the connection member is placed on the first layer.
- Since the conventional retaining wall structure is formed in such a manner that the layers of the first and second construction units are integrally linked with the aid of the connection member, so the engaging force of the connection structure seems to be better, but since the height of the protrusion protruded from the connection member, the length inserted into the soil bag, is short, which results in a worse reliability. In addition, the geogrid sheet inserted into the protrusion of the connection member has a bad engaging force, so the sheet could be pressed by the weight of soil when filling with soils, so it can escape from the protrusions, whereby the sheets do not work properly, which results in worsening the reliability and stability of the retaining wall. In view of the green construction for making a greenery wall surface by planting and germinating moss seeds in the soil bags formed of the first and second construction units, the germination rate of moss seeds in the interior of the soil bag is bad, so that it is impossible to obtain a desired greenery effect of the retaining wall while worsening the surrounding views.
- Accordingly, it is an object of the present invention to provide a method for constructing an environ mentally-friendly retaining wall using a soil bag for vegetation and fixing members, and an installation structure thereof in which a soil bag with a certain amount of soil is prepared, and a retailing wall is constructed in an alternating engagement way by using the soil bags, and the soil bags disposed at the upper and lower sides are integrally and firmly linked with the aid of a plurality of fixing members provided in certain shapes, and a geogrid sheet with a certain length is firmly and fixedly connected to the fixing member for thereby forming a retaining wall, and a core net is installed at the surface of the retaining wall, and soils and seeds of plants are mixed and cast, so the seeds are germinated for thereby making a greenery on the surface of the retaining wall. In the present invention, the storage, transportation and installation of the materials used for constructing a retaining wall are made easier for thereby enhancing the efficiency and construction workability while shortening the construction period, so it is possible to decrease the economic burden of the constructor. Since a plurality of soil bags are integrally connected for constructing the retaining wall with the aid of the fixing member, the reliability and stability of the retaining wall can be enhanced. The germination of seeds is enhanced, and the roots can be more easily grown in the soil bags for thereby more easily forming perfect greenery on the surfaces of the retaining wall.
- To achieve the above objects, there is provided a method for constructing an environmentally-friendly retaining wall using a soil bag for vegetation and fixing members, and an installation structure thereof for protecting a structure formed in a mountain or a hill, a road or a slope at a river, which comprises a first step in which a soil and sand supplied from a surrounding place of a construction site of a retaining wall are prepared, and a plurality of soil bags having certain standard sizes with the upper sides being open for receiving and storing the soil and sand are prepared, and a plurality of fixing members for connecting and fixing the soil bag blocks are prepared, and multiple sub-materials such as a plurality of geogrid sheets, a core net and seeds needed for the construction of the retaining wall are prepared; a second step in which a base layer is formed by flattening the surface of ground of a certain range in which the retaining wall is to be constructed through a basic construction; a third step in which the soils and sand are filled via the opened upper side of the soil bag prepared in the first step, and when accurate amounts of soils and sand measured by a fixed measuring meter are filled, the opened upper side of the soil bag is tied and inputted into a standard forming machine and is vibrated and compressed for thereby forming a rectangular parallelepiped shaped soil bag block having an excellent strength; a fourth step in which a first column layer is formed by continuously arranging a plurality of soil bag blocks in a horizontal direction on the upper side of a base layer formed in the second step, and an end of the fixing member is struck to penetrate up to the base layer through the upper side of the soil bag block, so a plurality of soil bag blocks are firmly fixed at the base layer for thereby forming a first column layer; a fifth step in which a second column layer is formed by continuously arranging a plurality of soil bag blocks in a horizontal direction on the upper side of the first column layer formed in the fourth step, and in a state that an alternating engagement is made in such a manner that the centers of the soil bag blocks forming the second column layer are positioned at the upper side of the engaged portion with which the soil bag blocks forming the first column layer contact, a plurality of the fixing members are struck from the upper side of the soil bag blocks forming the second column layer, so the end of the fixing member penetrate into up to the intermediate height of the soil bag blocks forming the first column layer for thereby firmly fixing the second column layer; a sixth step in which a retaining wall is constructed up to a desired height by repeatedly performing the fifth step, and an end of the geogrid sheet having a certain length at a certain interval is inserted into the fixing member which fixes the soil bag blocks and is firmly fixed at the soil bah block with the aid of the striking of the fixing member, and the other end of the geogrid sheet is horizontally elongated toward the backside of the retaining wall and is buried when filling soils for thereby supporting the soil bag blocks; a seventh step in which one end of each of two geogrid sheet is positioned at the upper sides of the soil bag blocks at regular intervals to be constructed on the upper most portion of the retaining wall formed in the fifth and sixth steps and the two ends of the same are concurrently fixed by means of the fixing members, and the other end of one geogrid sheet faces the front side of the retaining wall, and the other side of another geogrid sheet faces the backside of the retaining wall, and in this state the geogrid sheet facing the front side surrounds the soil bag block positioned at the upper most portion, and the other end is extended in the direction of the backside of the retaining wall and is overlapped with the geogrid sheet facing the backside, and the soil bag blocks are stacked on the upper side of the same and are constructed in a dual structure, and the other end of the geogrid is buried when filling with soils for thereby forming an upper layer of the retaining wall; an eighth step in which a core net woven with palm fiber or hemp fiber is installed over the whole surfaces of the retaining wall constructed in the seventh step; and a ninth step in which a mixture is made by mixing seeds to be planted at the core net installed in the eighth step, soils and humectants at a certain ratio and is cast with a certain thickness by means of a pumping apparatus for thereby forming a greenery layer, and the seeds germinate as time passes for thereby making greenery on the surface of the retaining wall.
- An installation structure of an environmentally-friendly retaining wall using a soil bag for vegetation and fixing members for protecting a structure formed in a mountain or a hill, a road or a slope at a river comprises a base layer which is formed so as to maintain a flattened state by performing a basic construction with respect to a ground in which a retaining wall is to be installed; a plurality of soil bag blocks which are filled with soils and sand by certain amounts and are vibrated and compressed to be formed in rectangular parallelepiped shapes; a fixing member in which a first column layer is formed by horizontally installing the soil bag blocks on the upper side of the base layer, and an alternating engagement is made in such a manner that the centers of the other soil bag blocks are positioned at the upper sides of the portions in which the soil bag blocks forming the first column layer are alternately engaged with each other and are struck for thereby forming a second column layer, and a plurality of fixing members are struck into the upper sides of each soil bag block for thereby integrally connecting and fixing the first column layer and the second column layer while vertically passing through the first column layer and the second column layer, respectively; a plurality of geogrid sheets of which one end of each sheet is inserted into the fixing member and is firmly fixed between the soil bag blocks by means of striking, and the other end of each sheet is horizontally elongated in a backward direction and is buried by means of soil filling, with the geogrid sheets being installed at regular intervals and at constant heights for thereby supporting the soil bag blocks, respectively; an upper layer constructed in such a manner that the first column layer and the second column layer are constructed up to a certain height by repeatedly performing the operations that the geogrid sheets are fixed at regular intervals by means of the fixing members for thereby firmly and integrally connecting and fixing a plurality of the soil bag blocks, and the soil bag blocks installed on their upper sides surround the geogrid sheets at regular intervals and are elongated to the backside of the retaining wall, and the soil bag blocks are stacked on the upper sides of the other side of the geogrid sheet, and the other end of the same is buried by soil filling; a core net which is provided in a net shape woven with palm fiber or hemp fiber and is installed at a front side of the retaining wall made of the first column layer and the second column layer; and a greenery layer which is formed in such a manner that soils mixed with seeds are cast with a certain thickness for making greenery on the surface of the core net installed at the retaining wall.
- As described above, the present invention is directed to providing a method for constructing an environ mentally-friendly retaining wall using a soil bag for vegetation and fixing members, and an installation structure thereof for thereby making the storage, transportation and installation of the materials used for the construction of the retaining wall convenient which leads to an enhanced workability efficiency and construction performance while shortening the work period and decreasing an economic burden to the constructor. Since a plurality of soil bags used for forming a retaining wall with the aid of the fixing member are integrally connected and fixed for thereby enhancing a reliability and stability of the retaining wall and increasing a germination rate of seeds and making the roots of the germinated plants well grow in the soil bags, which leads to constructing a perfect greenery on the surface of the retaining wall.
- The present invention will become better understood with reference to the accompanying drawings which are given only by way of illustration and thus are not imitative of the present invention, wherein;
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FIG. 1 is a view of a construction process of a retaining wall according to the present invention; -
FIGS. 2 and 3 are cross sectional views of an installation structure of a retaining wall according to the present invention; -
FIG. 4 is an exemplary view of a soil bag according to the present invention; -
FIG. 5 is a schematic view of a formation procedure of a soil bag block according to the present invention; -
FIG. 6 is an isolated perspective view of a construction procedure of a retaining wall according to the present invention; -
FIG. 7 is a front cross sectional view of an engaged state ofFIG. 6 ; and -
FIG. 8 is a perspective view of a fixing member according to the present invention. - S10˜S90: first and ninth steps 10: base layer
- 20: soil bag block 22: soil bag
- 30: first column layer 40: second column layer
- 50: fixing member 52: pole
- 54: barb 56: fixing plate
- 58: fixing protrusion 60: geogrid sheet
- 70:
upper layer 80 core net - 90: greenery layer
- The method for constructing an environmentally-friendly retaining wall using a soil bag for vegetation and fixing members, and an installation structure thereof for protecting a structure formed in a mountain or a hill, a road or a slope at a river according to the present invention comprises:
- a first step S10 in which a soil and sand G supplied from a surrounding place of a construction site of a retaining wall 100 are prepared, and a plurality of
soil bags 22 having certain standard sizes with the upper sides being open for receiving and storing the soil and sand G are prepared, and a plurality offixing members 50 for connecting and fixing thesoil bag blocks 20 are prepared, and multiple sub-materials such as a plurality ofgeogrid sheets 60, acore net 80 and seeds needed for the construction of the retaining wall 100 are prepared; - a second step S20 in which a
base layer 10 is formed by flattening the surface of ground of a certain range in which the retaining wall 100 is to be constructed through a basic construction; - a third step S30 in which the soils and sand G are filled via the opened upper side of the
soil bag 22 prepared in the first step S10, and when accurate amounts of soils and sand G measured by a fixed measuring meter are filled, the opened upper side of thesoil bag 22 is tied and inputted into a standard forming machine and is vibrated and compressed for thereby forming a rectangular parallelepiped shapedsoil bag block 20 having an excellent strength; - a fourth step S40 in which a
first column layer 30 is formed by continuously arranging a plurality ofsoil bag blocks 20 in a horizontal direction on the upper side of abase layer 10 formed in the second step S20, and an end of thefixing member 50 is struck to penetrate up to thebase layer 10 through the upper side of thesoil bag block 20, so a plurality ofsoil bag blocks 20 are firmly fixed at thebase layer 10 for thereby forming afirst column layer 30; - a fifth step S50 in which a
second column layer 40 is formed by continuously arranging a plurality ofsoil bag blocks 20 in a horizontal direction on the upper side of thefirst column layer 30 formed in the fourth step S40, and in a state that an alternating engagement is made in such a manner that the centers of thesoil bag blocks 20 forming thesecond column layer 40 are positioned at the upper side of the engaged portion with which thesoil bag blocks 20 forming thefirst column layer 30 contact, a plurality of thefixing members 50 are struck from the upper side of thesoil bag blocks 20 forming thesecond column layer 40, so the end of thefixing member 50 penetrate into up to the intermediate height of thesoil bag blocks 20 forming thefirst column layer 30 for thereby firmly fixing thesecond column layer 40; - a sixth step S60 in which a retaining wall 100 is constructed up to a desired height by repeatedly performing the fifth step S50, and an end of the
geogrid sheet 60 having a certain length at a certain interval is inserted into thefixing member 50 which fixes thesoil bag blocks 20 and is firmly fixed at thesoil bag block 20 with the aid of the striking of thefixing member 50, and the other end of thegeogrid sheet 60 is horizontally elongated toward the backside of the retaining wall 100 and is buried when filling soils for thereby supporting thesoil bag blocks 20; - a seventh step S70 in which one end of each of two
geogrid sheet 60 is positioned at the upper sides of thesoil bag blocks 20 at regular intervals to be constructed on the upper most portion of the retaining wall 100 formed in the fifth and sixth steps S50 and S60 and the two ends of the same are concurrently fixed by means of thefixing members 50, and the other end of onegeogrid sheet 60 faces the front side of the retaining wall, and the other side of anothergeogrid sheet 60 faces the backside of the retaining wall 100, and in this state thegeogrid sheet 60 facing the front side surrounds thesoil bag block 20 positioned at the upper most portion, and the other end is extended in the direction of the backside of the retaining wall 100 and is overlapped with thegeogrid sheet 60 facing the backside, and thesoil bag blocks 20 are stacked on the upper side of the same and are constructed in a dual structure, and the other end of thegeogrid 60 is buried when filling with soils for thereby forming anupper layer 70 of the retaining wall 100; - an eighth step S80 in which a
core net 80 woven with palm fiber or hemp fiber is installed over the whole surfaces of the retaining wall 100 constructed in the seventh step S70; and - a ninth step S90 in which a mixture is made by mixing seeds to be planted at the
core net 80 installed in the eighth step S80, soils and humectants at a certain ratio and is cast with a certain thickness by means of a pumping apparatus for thereby forming agreenery layer 90, and the seeds germinate as time passes for thereby making greenery on the surface of the retaining wall 100. - The preferred embodiments of the present invention will be described with reference to the accompanying drawings.
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FIG. 1 is a view of a construction process of a retaining wall according to the present invention,FIGS. 2 and 3 are cross sectional views of an installation structure of a retaining wall according to the present invention,FIG. 4 is an exemplary view of a soil bag according to the present invention,FIG. 5 is a schematic view of a formation procedure of a soil bag block according to the present invention,FIG. 6 is an isolated perspective view of a construction procedure of a retaining wall according to the present invention, andFIG. 7 is a front cross sectional view of an engaged state ofFIG. 6 andFIG. 8 is a perspective view of a fixing member according to the present invention. - As shown therein, the construction method of the nature friendly retaining wall 100 according to the present invention comprises first to ninth steps, and the installation structure of the retaining wall 100 constructed by means of the construction method of the present invention comprises a
base layer 10, asoil bag block 20, first and second column layers 30 and 40, a fixingmember 50, ageogrid sheet 60, anupper layer 70, acore net 80, and agreenery layer 90. - When constructing a retaining wall, in the first step S10, materials needed for constructing a retaining wall are prepared to an extend that works can be fast performed. Soils and sand can be supplied from the surrounding area of the construction site, and the soil bags used for forming the
soil bag block 20 are made by sewing polypropylene non-woven fabric with its upper side being open and are supplied in multiple numbers in a certain size bag shape. Pluralities of the fixingmembers 50 of certain sizes, thegeogrid sheets 60 and the core nets 80 and seeds are prepared. - In the second step S20, a
base layer 10 is formed. The range of the construction of the retaining wall 100 is determined, and the ground which becomes the basis of the retaining wall 100 is hardened by using equipment (not shown) such as a hardening roller, a vibration compact and rammer for thereby forming abase layer 10. - In the third step S30, soils and sand are filled into the soil bag prepared in the first step S10 for thereby making the
soil bag block 20. A signal of the weight set by a fixed amount meter (not shown), namely, a fixed amount input apparatus, is detected via the open upper side of the soil bag, and an opening and closing valve installed at a filling hopper is operated in response to the detected signal, and the fixed amount of soils is filled into the soil bag by automatically controlling the discharge amount of the soils, and then the upper side of the soil bag is sealed, and the sealed soil bag is inputted into a stand size forming machine (not shown), and vibration and pressure are applied thereto for thereby making a rectangular parallelepiped shape soil bag having a certain height, so thesoil bag block 20 having an excellent strength is made in multiple numbers. - In the fourth step S40, a plurality of
soil bag block 20 are installed at thebase layer 10 for thereby forming afirst column layer 30. The soil bag blocks 20 are continuously arranged on the upper side of thebase layer 10 in a horizontal direction, and at least three or four fixingmembers 50 are struck into the upper side of onesoil bag block 20 at regular intervals, so the ends of the same pass through the soil bag blocks 20 and insert by a certain depth of thebase layer 10 for thereby firmly fixing the soil bag blocks. At this time, the striking of the fixingmembers 50 is performed for enhancing the workability by using a vibration hammer (not shown). - In the fifth step S50, the
second column layer 40 is formed on an upper side of thefirst column layer 30 formed in the fourth step S40. The center portions of the other soil bag blocks 20 are positioned at the portion where both sides of the soil bag blocks 20 belonging to thefirst column layer 20 in the course of stacking process in alternately engaging ways with each other for thereby forming thesecond column layer 40. Three or four fixingmembers 50 are struck into the upper side of eachsoil bag block 20 belonging to thesecond column layer 40, so thesecond column layer 40 passes through the soil bag blocks 20, and the ends of the fixingmembers 50 penetrate up to the intermediate portion of thesoil bag block 20 positioned at thefirst column layer 30 for thereby integrally connecting the soil bag blocks 20 of the first and second column layers 30 and 40. - In the sixth step S60, the process of the fifth step S50 is repeatedly performed on the upper side of the
second column layer 40 formed in the fifth step S50, so a desired height is obtained by stacking a plurality of the soil bag blocks 20 for thereby constructing a retaining wall 100. Thegeogrid sheet 60 are installed at every layer at regular intervals so that the soil bag blocks 20 are not pushed back by means of the pressure of the soils buried at the rear side of the retaining wall 100. In a state that one end of thegeogrid sheet 60 is inserted into the fixingmember 50 which is used for fixing the soil bag blocks 20 arranged at each layer, the fixingmembers 50 is struck for thereby obtaining a reliable and stable connection. The other end of the same is buried by means of a soil burying method by extending the same to the backward direction. Thegeogrid sheets 60 are installed at certain heights and regular intervals over the whole portions of the retaining wall 100 for firmly supporting the soil bag blocks 20 with the aid of the weight pressures of the soils. - In the seventh step S70, the
top layer 70 of the retaining wall 100 formed in the fifth and sixth steps S50 and S60 is stabilized. One ends of twogeogrid sheets 60 are positioned at the upper sides of the soil bag blocks 20 which are stacked on the top layer of the retaining wall 100 and are concurrently fixed by means of the fixingmembers 50. The other side of onegeogrid sheet 60 faces the front side of the retaining wall 100, and the other side of theother geogrid sheet 60 faces the backward side of the retaining wall, so thesoil bag block 20 in which theforward geogrid sheet 60 is covered, and the other end is extended to face the back side of the retaining wall 100 and is overlapped with thegeogrid sheet 60 which faces the back side. In this state, the soil bag blocks 20 are stacked on the upper side of the same in a dual structure, and the other end of thegeogrid sheet 60 is buried in the course of soil filling, so theupper layer 70 of the retaining wall 100 having a dual structure is formed. - In the eighth step S80, a
core net 80 is installed at the retaining wall 100 formed in the seventh step S70. Thecore net 80 formed of a woven palm tree fiber or hemp fiber in a certain size is firmly covered over the entire surfaces of the retaining wall 100. - In the ninth step S90, the
greenery layer 90 is formed so that the front surface of the retaining wall 100 can have greenery. The seeds to be planted at thecore net 80 installed in the eighth step S80 and soils and moisturizer are mixed at a certain ratio and are cast at a certain thickness with the aid of a pumping apparatus (not shown), and the seed geminates as time passes, so that greenery is made on the surface of the retaining wall 100. - At this time, the soils mixed with seeds and moistures are absorbed and germinated into the
core net 80 before thecore net 80 is installed at the front side of the retaining wall 100 by the eighth step S80, so it is possible to make greenery on the surface of the retaining wall 100 without performing the ninth step S90. - In the installation structure of the retaining wall implemented by the above construction method of the retaining wall, the
base layer 10 is formed by flattening the surface by using a known flattening machine over a certain area in which the retaining wall 100 is formed. - The soil bag blocks 20 are stacked from the upper side of the
base layer 10 in alternately engaged methods up to a certain height and becomes a main construction belonging to the retaining wall 100. In the formation process of the same, a non-woven fiber made of synthetic resin is formed with its upper side being open in a bag shape for thereby forming thesoil bag 22, and soils and sand G are filled into thesoil bag 22 by a certain fixed amount, and thesoil bag 22 fixed with soils and sand G is inputted into a certain mold and is vibrated and pressed by using a vibration press machine from its upper side, so it is made in a rectangular parallelepiped shape having an excellent durability. - At this time, when making the
soil bag 22, both lower side of thesoil bag 22 are sewed for thereby forming the sewed line having a certain length, and thesoil bag 22 is made inner side out, and soils and sand G are filled into thesoil bag block 20 and is formed in a rectangular parallelepiped shape with a certain height. So, when the soil bag blocks 20 are horizontally stacked, an alternate engagement is made. - Organic fertilizer and polymer humectants extracted from plants are mixed with the soils and sand to be filled into the
soil bag 22 and are agitated and inputted into thesoil bag 22, by which it is possible to shorten germination period. - In the
first column layer 30, the soil bag blocks 20 lay horizontally on the upper side of the ground which corresponds to thebase layer 10 with both ends being engaged continuously, and are fixed integrally with thebase layer 10 with the aid of the fixingmembers 50. - The
second column layer 40 is continuously arranged on the upper side of thefirst column layer 30. The center portions of anothersoil bag 20 are positioned in alternately engaging shapes in multiple layers on the upper side of the portion where thesoil bags 20 forming thefirst column layer 30 are engaged with one another, and then thesecond column layer 40 is integrally engaged with thefirst column layer 30 with the aid of the fixingmembers 50. - The fixing
members 50 help a plurality of soil bag blocks 20, which are to be stacked at a certain height in the same method on the first and second column layers 30 and 40 and higher layers, to be integrally connected and fixed with each other. At least three or fourth fixingmembers 50 are struck persoil bag block 20 and pass through thefirst column layer 30 and penetrate by a certain depth of thebase layer 10 for a durable fixing. It is integrally connected with thefirst column layer 30 positioned below thesecond column layer 40, so all the soil bag blocks 20 stacked on the upper side of thesecond column layer 40 are integrally and durably connected and fixed. - At this time, the fixing
member 50 is formed of apole 52 of which lower side is conical so that the fixingmember 50 can easily penetrate into thesoil bag block 20, and a plurality ofbarbs 54 integrally protruded from both lower sides of thepole 52 and formed so as to prevent thepole 52 from being separated from thesoil bag block 20, with a T shaped fixingpiece 56 being formed at an upper side of thepole 52, aconical fixing protrusion 58 being integrally formed at both lower sides of the fixingpiece 56 so that it can be inserted into thesoil bag block 20 for thereby supporting thepole 52. - In addition, the fixing
member 50 is preferably made of a synthetic resin or metallic material having an excellent strength by an injection and molding method. One end of thegeogrid sheet 60 is disposed and stably fixed between thepole 52 and the fixingprotrusion 58. - The
geogrid sheet 60 is made of a synthetic resin by an injection and molding method and is generally used when constructing the retaining wall 100. One end of thegeogrid sheet 60 is inserted into the fixingmember 50 and is stably fixed to the upper side of thesoil bag block 20 by a striking method. The other end of the same is elongated by a certain length and is buried under the ground when filling soils and is installed in multiple numbers at certain intervals and a width so that the soil bag blocks 20 are not pushed outward by means of the weight of the soils. - At this time, the elongated length of the
geogrid sheet 60 is selectively determined depending on the change of the height of an installation position. It has about 70% length of the installation height. The height of the installation interval is preferably about 70˜80 cm, and the width of the installation intervals is determined to an extent that onegeogrid sheet 60 can be installed per two or three soil bag blocks 20. - The
upper layer 70 represents the upper most portion of the retaining wall 100. In a state that the soil bag blocks 20 are stacked up to a certain height by an alternating engaging method, one end of each of twogeogrid sheets 60 is positioned with a certain interval at the upper sides of the soil bag blocks 20 to be stacked on the top layer and is concurrently fixed with the aid of the fixingmember 50. The other end of onegeogrid sheet 60 faces the front side of the retaining wall 100, and the other end of theother geogrid sheet 60 faces the back side of the retaining wall. In this state, thegeogrid sheet 60 facing the forward direction covers thesoil bag block 20 positioned at the upper most portion, and the other is extended in the direction of the back side of the retaining wall and is overlapped with thegeogrid sheet 60 which faces the backward direction. Thesoil bag block 20 is stacked on the upper side of the resultant structure in a dual structure, and the other end of thegeogrid sheet 60 is buried in the course of soil filling for thereby preferably forming a dual structure. - The
core net 80 is formed of a woven palm tree fiber or hemp fiber in a net shape with a certain size and helps easily form thegreenery layer 90 when it is stably fixed to the whole surfaces of the retaining wall 100. - The
greenery layer 90 is formed so as to make the greenery on the whole surfaces of the retaining wall 100 in such a manner that a mixture made by mixing soft soils around construction sites and seeds of plants to be used for making greenery and humectants extracted from plants, fibers and coloring agents and by agitating the same is cast on the surfaces of the retaining wall 100 by using a separately supplied pumping apparatus, in which thecore net 80 is installed, at a certain thickness. At this time, it is preferred that the seeds are to matured for 2˜3 days at 30˜35° C. so as to enhance the germination rate. - As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described examples are not limited by any of the details of the foregoing description, unless otherwise specified, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
- Accordingly, the present invention provides a method for constructing an environ mentally-friendly retaining wall using a soil bag for vegetation and fixing members, and an installation structure thereof for thereby making a storage, transportation and installation of construction materials used for constructing the retaining wall easier, whereby it is possible to enhance a work efficiency and construction performance. The construction period can be shortened, and the economic burden of the constructor can be reduced. It is possible to integrally connect a plurality of soil bags which form the retaining wall with the aid of the fixing member for thereby enhancing a durability and stability of the retaining wall. The roots of the germinated plants can easily grow in the soil bag blocks, so it is possible to make reliable greenery on the surfaces of the retaining wall, which helps enhance an industrial applicability of the products.
Claims (10)
1. A method for constructing an environmentally-friendly retaining wall using a soil bag for vegetation and fixing members, and an installation structure thereof for protecting a structure formed in a mountain or a hill, a road or a slope at a river, comprising:
a first step in which a soil and sand supplied from a surrounding place of a construction site of a retaining wall are prepared, and a plurality of soil bags having certain standard sizes with the upper sides being open for receiving and storing the soil and sand are prepared, and a plurality of fixing members for connecting and fixing the soil bag blocks are prepared, and multiple sub-materials such as a plurality of geogrid sheets, a core net and seeds needed for the construction of the retaining wall are prepared;
a second step in which a base layer is formed by flattening the surface of ground of a certain range in which the retaining wall is to be constructed through a basic construction;
a third step in which the soils and sand are filled via the opened upper side of the soil bag prepared in the first step, and when accurate amounts of soils and sand measured by a fixed measuring meter are filled, the opened upper side of the soil bag is tied and inputted into a standard forming machine and is vibrated and compressed for thereby forming a rectangular parallelepiped shaped soil bag block having an excellent strength;
a fourth step in which a first column layer is formed by continuously arranging a plurality of soil bag blocks in a horizontal direction on the upper side of a base layer formed in the second step, and an end of the fixing member is struck to penetrate up to the base layer through the upper side of the soil bag block, so a plurality of soil bag blocks are firmly fixed at the base layer for thereby forming a first column layer;
a fifth step in which a second column layer is formed by continuously arranging a plurality of soil bag blocks in a horizontal direction on the upper side of the first column layer formed in the fourth step, and in a state that an alternating engagement is made in such a manner that the centers of the soil bag blocks forming the second column layer are positioned at the upper side of the engaged portion with which the soil bag blocks forming the first column layer contact, a plurality of the fixing members are struck from the upper side of the soil bag blocks forming the second column layer, so the end of the fixing member penetrate into up to the intermediate height of the soil bag blocks forming the first column layer for thereby firmly fixing the second column layer;
a sixth step in which a retaining wall is constructed up to a desired height by repeatedly performing the fifth step, and an end of the geogrid sheet having a certain length at a certain interval is inserted into the fixing member which fixes the soil bag blocks and is firmly fixed at the soil bah block with the aid of the striking of the fixing member, and the other end of the geogrid sheet is horizontally elongated toward the backside of the retaining wall and is buried when filling soils for thereby supporting the soil bag blocks;
a seventh step in which one end of each of two geogrid sheet is positioned at the upper sides of the soil bag blocks at regular intervals to be constructed on the upper most portion of the retaining wall formed in the fifth and sixth steps and and the two ends of the same are concurrently fixed by means of the fixing members, and the other end of one geogrid sheet faces the front side of the retaining wall, and the other side of another geogrid sheet faces the backside of the retaining wall, and in this state the geogrid sheet facing the front side surrounds the soil bag block positioned at the upper most portion, and the other end is extended in the direction of the backside of the retaining wall and is overlapped with the geogrid sheet facing the backside, and the soil bag blocks are stacked on the upper side of the same and are constructed in a dual structure, and the other end of the geogrid is buried when filling with soils for thereby forming an upper layer of the retaining wall;
an eighth step in which a core net woven with palm fiber or hemp fiber is installed over the whole surfaces of the retaining wall constructed in the seventh step; and
a ninth step in which a mixture is made by mixing seeds to be planted at the core net installed in the eighth step, soils and humectants at a certain ratio and is cast with a certain thickness by means of a pumping apparatus for thereby forming a greenery layer, and the seeds germinate as time passes for thereby making greenery on the surface of the retaining wall.
2. A method for constructing an environ mentally-friendly retaining wall using a soil bag for vegetation and fixing members according to claim 1 , wherein the seeds are absorbed and rooted at the core net along with the soils mixed with humectants before the core net is installed at the whole front sides of the retaining wall in the eighth step, so it is possible to make greenery on the surface of the retaining wall without performing the ninth step.
3. An installation structure of an environmentally-friendly retaining wall using a soil bag for vegetation and fixing members for protecting a structure formed in a mountain or a hill, a road or a slope at a river, comprising:
a base layer which is formed so as to maintain a flattened state by performing a basic construction with respect to a ground in which a retaining wall is to be installed;
a plurality of soil bag blocks which are filled with soils and sand by certain amounts and are vibrated and compressed to be formed in rectangular parallelepiped shapes;
a fixing member in which a first column layer is formed by horizontally installing the soil bag blocks on the upper side of the base layer, and an alternating engagement is made in such a manner that the centers of the other soil bag blocks are positioned at the upper sides of the portions in which the soil bag blocks forming the first column layer are alternately engaged with each other and are struck for thereby forming a second column layer, and a plurality of fixing members are struck into the upper sides of each soil bag block for thereby integrally connecting and fixing the first column layer and the second column layer while vertically passing through the first column layer and the second column layer, respectively;
a plurality of geogrid sheets of which one end of each sheet is inserted into the fixing member and is firmly fixed between the soil bag blocks by means of striking, and the other end of each sheet is horizontally elongated in a backward direction and is buried by means of soil filling, with the geogrid sheets being installed at regular intervals and at constant heights for thereby supporting the soil bag blocks, respectively;
an upper layer constructed in such a manner that the first column layer and the second column layer are constructed up to a certain height by repeatedly performing the operations that the geogrid sheets are fixed at regular intervals by means of the fixing members for thereby firmly and integrally connecting and fixing a plurality of the soil bag blocks, and the soil bag blocks installed on their upper sides surround the geogrid sheets at regular intervals and are elongated to the backside of the retaining wall, and the soil bag blocks are stacked on the upper sides of the other side of the geogrid sheet, and the other end of the same is buried by soil filling;
a core net which is provided in a net shape woven with palm fiber or hemp fiber and is installed at a front side of the retaining wall made of the first column layer and the second column layer; and
a greenery layer which is formed in such a manner that soils mixed with seeds are cast with a certain thickness for making greenery on the surface of the core net installed at the retaining wall.
4. An installation structure of an environmentally-friendly retaining wall using a soil bag for vegetation and fixing members according to claim 3 , wherein both sides of the lower portion are sewed when processing the soil bag, and the sewed line has a certain length, and the soil bag is made inner side out, and soils and sand are filled into the soil bag block and is formed in a rectangular parallelepiped block shape with a constant height, so with the aid of the above construction, an alternating engagement is made easier when constructing by laying the soil bag blocks in a horizontal direction.
5. An installation structure of an environmentally-friendly retaining wall using a soil bag for vegetation and fixing members according to claim 3 , wherein an organic fertilizer and polymer humectants extracted from plants are mixed at a certain ratio with the soils and sand to be filled into the soil bag and are inputted and agitated into the soil bag, by which it is possible to shorten germination period.
6. An installation structure of an environmentally-friendly retaining wall using a soil bag for vegetation and fixing members according to claim 3 , wherein said fixing member is formed of a pole of which lower side is conical so that the fixing member can easily penetrate into the soil bag block, and a plurality of barbs integrally protruded from both lower sides of the pole and formed so as to prevent the pole from being separated from the soil bag block, with a T shaped fixing piece being formed at an upper side of the pole, a conical fixing protrusion being integrally formed at both lower sides of the fixing piece so that it can be inserted into the soil bag block for thereby supporting the pole.
7. An installation structure of an environmentally-friendly retaining wall using a soil bag for vegetation and fixing members according to claim 3 , wherein the elongated length of the geogrid sheet is selectively cut depending on the change of the installation position, and the length is about 70% of the installation height, and the height of the installation interval is preferably about 70˜80 cm, and the width of the installation intervals is determined to an extent that one geogrid sheet can be installed per two or three soil bag blocks.
8. An installation structure of an environmentally-friendly retaining wall using a soil bag for vegetation and fixing members according to claim 3 , wherein said greenery layer is formed so as to make the greenery on the whole surfaces of the retaining wall in such a manner that a mixture made by mixing soft soils around construction sites and seeds of plants to be used for making greenery and humectants extracted from plants, fibers and coloring agents and by agitating the same is cast on the surfaces of the retaining wall by using a separately supplied pumping apparatus, in which the core net is installed, at a certain thickness.
9. An installation structure of an environmentally-friendly retaining wall using a soil bag for vegetation and fixing members according to claim 3 , wherein said seeds are preferably matured for 2˜3 days at 30˜35° C. so as to enhance the germination rate.
10. An installation structure of an environmentally-friendly retaining wall using a soil bag for vegetation and fixing members according to claim 8 , wherein said seeds are preferably matured for 2˜3 days at 30˜35° C. so as to enhance the germination rate.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080062441A KR100924933B1 (en) | 2008-06-30 | 2008-06-30 | Construction method of retaining wall using soil sack block for vegetation and fixed device and Structure for installation thereof |
KR10-2008-0062441 | 2008-06-30 | ||
PCT/KR2009/003504 WO2010002155A2 (en) | 2008-06-30 | 2009-06-29 | Method for constructing an environmentally-friendly retaining wall using soil bags for vegetation and fixing members, and installation structure thereof |
Publications (1)
Publication Number | Publication Date |
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US20110110728A1 true US20110110728A1 (en) | 2011-05-12 |
Family
ID=41466438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US13/002,044 Abandoned US20110110728A1 (en) | 2008-06-30 | 2009-06-29 | Method for constructing an environmentally-friendly retaining wall using soil bags for vegetation and fixing members, and installation structure thereof |
Country Status (3)
Country | Link |
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US (1) | US20110110728A1 (en) |
KR (1) | KR100924933B1 (en) |
WO (1) | WO2010002155A2 (en) |
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KR101201529B1 (en) | 2012-05-25 | 2012-11-15 | 신창섭 | Nature friendly plantation type gabion and slope treatment method using the same |
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US20160017566A1 (en) * | 2013-03-06 | 2016-01-21 | Mike Callewaert | Interconnecting member for a sand or soil bag structure |
US9725871B2 (en) | 2014-01-13 | 2017-08-08 | Marcus Parsons | Retaining wall kit having interconnecting units |
TWI602503B (en) * | 2012-12-19 | 2017-10-21 | 大和房屋工業股份有限公司 | Wall surface greening air purification installation and system using the same |
US20180023267A1 (en) * | 2015-02-21 | 2018-01-25 | Rajendra Vithal Ladkat | A retaining wall method of precast block to prevent landslide |
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WO2020055174A1 (en) * | 2018-09-13 | 2020-03-19 | (주)삼일이엔씨 | Complete drainage gabion-reinforced soil retaining wall and construction method thereof |
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KR101257645B1 (en) * | 2012-12-27 | 2013-04-23 | 주식회사 에이치에스산업 | Method for constructing green retaining wall preventing sliding of front green |
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Also Published As
Publication number | Publication date |
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WO2010002155A3 (en) | 2010-05-27 |
KR100924933B1 (en) | 2009-11-05 |
WO2010002155A2 (en) | 2010-01-07 |
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