KR100737458B1 - Horizontal draining structures for pore water of soft ground and construction method thereof - Google Patents

Abstract

        The present invention is to construct a site by dredging a soft ground, such as coastal tidal flats, or when a structure such as roads, complexes, embankments, and railways are constructed on a soft ground, on a plurality of vertical drainage installed at regular intervals in the soft ground. The horizontal drainage structure of the present invention is installed and the gap water rising through a plurality of vertical drainages installed in the soft ground is induced by horizontal drainage using a straw mat of the horizontal drainage structure to complete the consolidation settlement of the soft ground in the predetermined air. At the same time, as a preliminary preparation work for the various construction equipment to enter and improve the soft ground on the horizontal ground drainage structure on the soft ground,

        If necessary, the polypropylene mat (Polypropylen mat, hereinafter referred to as PP mat) made of polypropylene (Polypropylen) is laid on the soft ground, and a large number of cushion straw mats are laminated thereon, The soils of the soil are filled to a certain height so that the gap water contained in the soft ground is drained horizontally on the rice straw mat, so that the soft ground is consolidated while the gap water is dissipated, and the heavy equipment and the like freely move in and out of the soil layer. To improve the construction of the site and to build a structure, and a certain time elapses of the soft ground gap number horizontal drainage structure and the construction method of the straw straw to corrode the straw straw mat.

Description

Horizontal draining structures for pore water of soft ground and construction method

        1 is a view showing the straw mat mat of the present invention as a whole.

        FIG. 2 shows a cross section A-A of FIG. 1. FIG.

        Figure 3 (a) (b) is a view showing an application example and the "c" shaped connection device for connecting the straw mat of the present invention.

        Figure 4 (a) (b) is a view showing a mesh type connecting device and an application example of another connecting device of the present invention.

        Figure 5 (a) (b) is a view showing an application example with a protruding connection device which is another connection device of the present invention.

        Figure 6 (a) (b) (c) (d) (e) is a view showing the construction process of the soft ground clearance multiple drainage structure of the present invention.

        <Description of the symbols for the main parts of the drawings>

         10: soft ground pore water horizontal drainage structure 11: soft ground

         12: polyflourene mat (P.P Mat) 13: fill (quality soil)

         14: drain outlet 15: vertical drainage

         20: straw mat 21: suture

         22: fiber 23: cutting straw

         24: connection part

         30: "c" shaped connector 31: wire

         32: horizontal portion 33: vertical portion

         34: horizontal extension part

         40: mesh type connecting device 41: horizontal wire

         42: vertical wire 43: intersection

         44: vertical wire

         50: protruding connector 51: insertion connector

         52: hole 53: protruding connecting plate

         54: protrusion 55: elastic protrusion pin

         56 support

        The present invention is to construct a site by dredging a soft ground, such as coastal tidal flat, or when a structure such as roads, complexes, embankments, and railways are constructed in the site where the ground is a soft ground, a plurality of spaces are installed at regular intervals in the soft ground. The horizontal drainage structure of the present invention is installed on the vertical drainage to condense the soft ground into the predetermined air by inducing horizontal drainage using a straw mat of the horizontal drainage structure to increase the pore water rising through the plurality of vertical drainages installed in the soft ground. It is to complete the settlement and at the same time to the various ground heavy construction equipment on the horizontal ground drainage structure on the soft ground to improve the soft ground.

        A polypropylene mat (hereinafter referred to as PP mat) made of polypropylene (Polypropylen) is installed on the soft ground, and a large number of cushion straw mats are laminated thereon, and high quality soil is deposited at a predetermined height. The gap water contained in the soft ground is drained horizontally by the straw straw mat, and the gap water is dissipated and the soft ground is improved while the heavy equipment, etc., freely enters the fill layer, thereby constructing the site and constructing the structure. When the elapsed time, and relates to a soft ground clearance horizontal drainage structure and the construction method of the straw straw to corrode the straw straw mat.

        The method of construction of the horizontal ground drainage structure of the soft ground is produced in a bag shape of a certain size using a nonwoven fabric for civil construction woven with a thick twine, and filling the straw straw chopped to a certain size in a certain size while cushioning mat of a certain thickness After forming to be, and then to produce a straw mat mat was installed at a certain interval on the mat,

        The rice straw mat is laminated on the rice straw mat while being installed on a polypropylene propylene mat (Polypropylen mat, PP mat) which is laid on the soft ground so that 5 to 6 layers of rice straw mats are needed. When the rice straw mat is horizontally interconnected or installed by the connecting device to be connected to each other up and down and horizontally so that the connecting portion is formed in a zigzag so as not overlapping with each other in the upper and lower sides, and the quality earth and sand on the stacked straw mat So that the ground is formed to be a constant thickness.

        An object of the present invention is to install a straw mat mat so as to have a predetermined thickness on the soft ground, the number of pores vertically drained by the vertical drainage with the start of consolidation after the construction of the earthen body polyflophylene mat (PP Mat) It is drained horizontally and discharged to the outside through drain holes formed on both sides, so that the soft ground can be improved and completed in the predetermined air, and the smoothness of the ground is improved by improving the runability of various heavy equipments that need work on the site. It is to provide a construction method of the soft ground horizontal drainage structure to complete the improvement process, using a straw straw, which is an environmentally friendly material that the rice straw is corroded after a certain period of time after the consolidation is completed.

        Initially, we installed bamboo-woven panels on the soft ground and allowed heavy equipment to run on it.However, the gaps in the soft ground did not discharge the bamboo smoothly, which caused some sponges to cause severe sponges. In addition, serious problems such as deterioration in strength and deterioration in driving performance, such as dismantling or breaking the bamboo woven material and dismantling the panel of bamboo, have existed.

        In recent years, the horizontal drainage function and the driving performance have been improved by using sand, but the production capacity of fine aggregates such as sand is limited, and economic problems that occur in the field where materials are not easily supplied are emerging.

        The present invention has been proposed to improve the problems as described above, by stacking the straw-shaped straw mat made of a certain size and thickness to a certain thickness on the soft ground by installing a consolidation to increase the number of gaps in the soft layer as the consolidation proceeds An eco-friendly material that forms a drainage layer that can be discharged horizontally through the straw mat, and is constructed with polypropylen mat (PP mat) to improve the runability of various heavy construction equipment required for the soft ground improvement process. The present invention provides a method for constructing a soft ground horizontal drainage structure using straw.

        The present invention is produced in a bag shape of a certain size using the fibers 22, and molded into a mat of a cushion thickness of a certain thickness while filling the straw straw chopped to a predetermined standard in the bag, and then the mat To prepare a straw mat 20 provided with a suture portion 21 for sealing the upper and lower fibers at regular intervals,

        The straw straw mat 20 on the polyfloorene mat (PP Mat), which is a fiber mat 12 installed on a plurality of vertical drainage pillars installed at regular intervals in the soft ground, may be 5 to 6 layers depending on the thickness of the soft ground. While stacking installation, the connection portion 24 by the connecting device (30, 40, 50) to interconnect the rice straw mat 20 horizontally or vertically and horizontally when the rice straw mat 20 is stacked installation ) Is installed so as to be formed in a zigzag so as not to overlap each other in the upper and lower sides, and the earth (13) to the thickness of about 15 to 20 cm on the laminated rice straw mat 20 to the thickness of about 15 to 20 cm, by the straw straw mat Is a method of constructing a soft ground pore-numbered horizontal drainage structure that allows the drainage to be horizontally and simultaneously forms a ground having a certain strength after the consolidation is completed.

        Hereinafter, the configuration and operation of the present invention will be described in detail by the accompanying drawings.

        1 is a view showing the straw straw mat of the present invention as a whole, using a fiber 22 to produce a bag size of a constant size, while filling the straw straw chopped to a predetermined standard in the bag to a certain standard cushion of a certain thickness After molding to form a mat, the prepared mat is provided with a sealing portion 21 for sealing the upper and lower fibers at regular intervals.

        The fiber 22 is made of a nonwoven fabric or a coarse twine woven fabric, and is a durable fabric having strength and strength that can withstand repeated loads. Use fiber.

        Natural straw rice straw to be cut to a predetermined length to use a straw (23), the cut length is to use the processed 5 ~ 7 ㎝ length.

        The reason for using the cut to the above length is good to insert into the bag, especially when the pore number of the soft ground penetrates into the straw (23) in the mat, so that more contact area is formed on the rice straw on the more formed contact area This is to allow the gap water to penetrate through the rice straw and to drain smoothly horizontally.

        The rice straw mat 20 is a cushion shape to be manufactured in a thickness of 5cm, width 150cm and length 12m or more, but not limited to the size as described above, in general, the mat according to the standard is easy to install and workability Since it is excellent, the above standards are presented, and according to the conditions of the site, the specifications of the mat can be variously determined and used.

        The suture portion 21 is to fill the straw straw 23 in the inside of the thing made in a bag shape and folds the straw straw 23 so that the upper and lower portions are flat in a cushion shape, and then the fibers 22 of the upper and lower portions at regular intervals. It is to be installed a plurality of sutures 21 for sewing.

        The reason for installing the suture 21 as described above is a straw-shaped straw mat while preventing the movement of the rice straw 23 inserted between the fibers 22 of the upper and lower portions and at the same time to prevent them from being gathered in one place at the time of laying. The purpose is to make the thickness of (20) uniform.

        Figure 2 is a view showing a cross-section A-A of Figure 1, to show in detail the installation of the suture 21 and rice straw 23 how to produce the straw mat mat 20 of Figure 1 in the form of a cushion.

        It is to prevent the rice straw filled between the fibers installed on the upper and lower parts to seal the fibers of the upper and lower parts of the mat to one side.

        Figure 3 (a) (b) is a view showing the "c" shaped connection device and application example for connecting the rice straw mat of the present invention, a plurality of fiber mat 12 laid on the soft ground of the area to be improved Subsequently, as a device for interconnecting adjacent rice straw mats (20) when laid, the vertical portions (33) are bent downwardly at a predetermined length at both ends of the horizontal portion (32), and each of the straw mats (20) is formed. The horizontal portion 34 is formed by interconnecting the vertical portion 33 through an end thereof and then extending the vertical portion 33 of the vertical portion 33 horizontally by a predetermined length. C "-shaped connecting device 30.

        The vertical part 33 penetrates the vertical part 33 at the end of each rice straw mat 20 installed adjacent to the “c” -shaped connecting device 30, and then penetrates the rice straw mat 20. A horizontal extension part 34 extending horizontally to a lower part of the lower part is arranged so that the connected rice straw mat 20 is not separated and separated so that the gap water is smoothly drained horizontally and at the same time the heavy equipment on the rice straw mat 20. This is to give the continuity of the connecting portion 24 when the driving is to be reinforced by the connecting device 30.

        The "c" shaped connection device 30 is to be stacked vertically while interconnecting the straw mat mat (20) installed horizontally connected.

        Figure (b) shows an embodiment of interconnecting the rice straw mat 20 is installed next to each other by the "c" shaped connecting device 30.

        Figure 4 (a) (b) is another view showing a mesh type connecting device and an application example of the present invention, rice straw mat 20 is installed as a species using the connecting device 40 and the other Fig. ) Is a connecting device 40 to be connected to the straw mat mat 20 is stacked up and down while connecting to each other.

        The connecting device 40 is made of a mesh shape by making the horizontal 41 and the vertical wire 42 to be perpendicular to each other at regular intervals, and then have a predetermined length up and down at an intersection 43 formed by the horizontal and vertical wire being perpendicular to each other. It is a mesh-type connection device 40 provided with a vertical welded wire 44 to protrude.

        (B) is installed between the end of the rice straw mat (20) adjacently installed and the rice straw mat 20 is installed on it to install a mesh-type connecting device 40 made of a predetermined width, the mesh-type connecting device Vertical wires 44 vertically attached to the intersections 43 of the 40 are embedded at the ends of the adjacent straw mats 20 so as to be interconnected and fixed to the upper and lower surfaces of the straw mats 20 stacked vertically. The iron wire 44 is embedded to fix the straw mat mat 20 installed in the upper and lower so as to smoothly drain the horizontal gap,

        In addition, when the heavy construction equipment is running on the soil pile 13 filled on the soft ground 11, the connection portion 24 and the vertically stacked portion of the straw mat mat 20 interconnected by the load of heavy equipment becomes a weak part. The mesh-type connection device 40 is made of the predetermined size is fixed to the left and right and up and down, respectively, while the mesh of the mesh-type connection device 40 also serves as a reinforcing material to improve the runability of the fill 13 part To give.

        The connection part 24 of the straw mat 20 formed while being stacked up and down is installed in a zigzag to prevent the connection part 24 from being concentrated in one part so as to prevent deterioration of the runability by the connection part. .

        Figure 5 (a) (b) is a view showing a projecting connection device and an application example for connecting the straw mat mat of the present invention, a polyflopylene mat 12 which is a fiber mat installed on the soft ground of the area to be improved Apparatus for interconnecting adjacent rice straw mats 20 when laid in succession, and a support part 56 is installed at regular intervals on a rectangular plate shape, and an elastic protrusion pin having elasticity on an upper end of the support part 56 ( 55 is a protruding connecting plate 53 provided with a protruding portion 54, and an insertion connecting plate 51 having a hole 52 formed at a position where the protruding portion 54 can be inserted at regular intervals on a rectangular plate. Protruding connector 50 is configured.

        The protrusion 54 is inserted into the upper portion of the straw mat at the lower end of each straw mat 20 provided adjacent to the protrusion coupling device 50, and then the penetrated protrusion 54 is inserted into the insertion plate. The straw mat is inserted into the hole 52 of the 51 so as to interconnect the straw mat at the end.

        In this way, the connected straw straw mat 20 is not separated and separated so that the gap number is smoothly drained horizontally, and at the same time, when the heavy equipment is running on the straw straw 20, the connection unit 24 is provided to provide continuity. This is to strengthen the strength by).

        Protruding portion 54 formed on the upper end of the support portion 56 is provided with an elastic protrusion pin 55 having a conical shape of elasticity so that the elastic protrusion pin 55 is inserted by the hole 52 to the conical upper portion Is pointed and its lower part is wide so that once the hole 52 is elastically penetrated, the wide part of the lower part of the conical shape protrudes out of the diameter of the hole 52 so that no force is applied. The protruding connecting plate 53 and the insertion connecting plate 51 of the 50 can be prevented from being separated.

        (B) shows an embodiment in which the connection part 24 is formed by interconnecting the rice straw mats 20 installed adjacent to each other with the protruding connection device 50.

        Figure 6 (a) (b) (c) (d) (e) is a view showing the construction process of the soft ground clearance multiple drainage structure of the present invention, Figure (a) is a soft ground 11 is installed a plurality of vertical drainage material ) To install a polyfloppyene mat 12 is a fibrous mat, and the straw mat 20 on the "c" shaped connector 30 or mesh connector (40) or protruding connector (50) thereon Using a horizontal, or vertically and horizontally connected to install a vertical number of straw mats (20) stacked up and down, but installed in a zigzag connection so that the upper and lower connecting portions 24 do not overlap,

        Figures (b) and (c) and (d) is to ensure the horizontal and vertical connection fixed when the straw mat 20 is installed horizontally and vertically stacked, the connecting device mentioned in each of the above (a), The detailed structure and function of the straw straw stacked up and down at the same time as interconnecting the straw mat mat 20 installed in succession, or interconnected the straw mat mat installed in succession as described in detail in FIGS. 3, 4 and 5 The mat 20 is also to be fixed at the same time.

        Figure (e) is a pile 13 of good quality earth and sand to the thickness of 15 ~ 20cm on the stacked straw mat 20, the number of voids contained in the soft ground drained horizontally, drainage drainage It is to perform the soft ground (11) improvement process while the heavy equipment to improve the soft ground to the fill (13) area while being discharged to the outside through the (14).

        After spreading the straw mat 20 on the soft ground 11 to the entire area of the soft ground (11)

On top of that, high quality earth and sand are deposited to a certain height (13) so that the pore water contained in the soft ground (11) is drained horizontally on the rice straw mat to proceed to dissipate the pore water. There is a soft ground horizontal drainage structure and its construction method to improve the soft ground (11) while entering and leaving the site and to build a structure, so that the straw straw of the rice straw mat 20 is corroded after a certain period of time. .

        In addition to the above method, a method of compromising the above method can also be used. Selective use of these methods may be used selectively depending on site conditions.

        The material of the connecting device may be produced by using iron as the main material or plastic having strength.

        The present invention is installed by stacking a straw-shaped rice straw mat made of a certain size and thickness so as to have a predetermined thickness on the soft ground, and the earth and sand is deposited on it, drainage horizontally by riding the rice straw straw straw mat contained in the soft ground It is discharged to the outside through the drain hole, and the gap water contained in the soft ground is discharged, so that the consolidation settlement progresses to stabilize the soft ground, and various construction equipment can be smoothly moved in and out of the fill section to improve the soft ground. It is a construction method of horizontal ground drainage structure of soft ground pore water with excellent workability and improved efficiency to use rice straw which is environmentally friendly material.

Claims (9)

         In the soft ground improvement to improve the soft ground, the straw mat mat is horizontally installed on the polyfloorene mat (PP mat), which is a fiber mat installed on the vertical drainage material installed in the plurality of soft grounds, and stacked in a predetermined number at the same time. And, in the horizontal drainage structure consisting of a connection device for interconnecting the rice straw mat left and right and left and right and up and down, and high quality earth and sand to be formed so that a certain thickness is formed on the stacked straw straw mat,            The connecting device forms a vertical portion bent downward at a predetermined length at right angles at both ends of the horizontal portion, inserts the vertical portion through the end of each straw mat, and then horizontally bends the end portion of the vertical portion through the vertical portion. A soft ground horizontal drainage structure characterized by being a "c" shaped connector with an extended horizontal extension. delete delete delete         The method of claim 1,         The connecting device is manufactured in the form of a mesh so that the horizontal and vertical wires are perpendicular to each other at regular intervals, and then a mesh-type connection in which the vertical wires are welded and installed to protrude a predetermined length up and down at an intersection formed by the horizontal and vertical wires are perpendicular to each other. A soft ground horizontal drainage structure characterized by being a device.         The method of claim 1,         The connecting device may include a protruding connecting plate provided with support portions at regular intervals on a rectangular plate, and a protruding portion having an elastic protrusion pin having elasticity on the upper end of the support portion, and having a predetermined interval on the rectangular plate and having the protrusions inserted therein. Soft ground clearance horizontal drainage structure, characterized in that the projecting connecting device consisting of a connecting connecting plate formed with a hole in the position.         The method of claim 1,         The connecting portion formed by connecting the straw mat mat left and right by the connecting device is formed in a zigzag when stacked up and down so that the soft ground gap number horizontal drainage structure characterized in that the connection is prevented from being formed continuously up and down.          In the soft ground improvement method for improving the soft ground,          (a) To lay a fiber mat polyflopylene mat (P.P mat) on the soft ground in which a plurality of vertical drainage is poured,          (b) horizontally interconnected rice straw mats made of rice straw cut to 5 to 7 cm on the fiber mat horizontally using a “c” shaped connecting device or interconnected using a protrusion connecting device or horizontally interconnected. While connecting the straw mats stacked up and down with a mesh-type connecting device by using any one of the connecting device up and down, left and right connection, while installing by stacking 5 to 6 straw mats, the top and bottom connections are zigzag To install,         (c) the quality of the earth and sand to the thickness of 15 ~ 20 ㎝ on the stacked straw straw mat, the vertical gap through the vertical drainage or drainage layer in the soft ground riding the gap between the straw straw in the straw straw mat installed on the soft ground A method for constructing a soft ground horizontal drainage structure characterized by improving the soft ground while allowing the raised pore water to be discharged to the outside through a horizontal moving drain and allowing the heavy equipment for the soft ground improvement process to run smoothly.         The method of claim 8,         The connecting device forms a vertical portion bent downward at a predetermined length at right angles at both ends of the horizontal portion, and penetrates the vertical portion at the ends of each rice straw mat, and then extends the horizontal portion by bending the end portion of the vertical portion horizontally. It is a "c" shaped connecting device formed with a horizontal extension, or a rectangular plate-like projection plate and a support plate is provided at regular intervals and the projecting connecting plate is provided with a protrusion, which is an elastic protrusion pin having elasticity on top of the support plate, rectangular plate-like It is a protruding connecting device composed of an insertion connecting plate having a hole at a position where the protrusion can be inserted at a predetermined interval thereon, or manufactured in the form of a mesh so that horizontal and vertical wires are perpendicular to each other at regular intervals, and then the horizontal And a welded portion to protrude a predetermined length up and down at an intersection portion formed by orthogonal vertical wire Construction method of any one of the mesh type connection device is a horizontal drain structure for improving soft ground using a straw mat is characterized in one of the things the vertical wire installation.

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