KR20060107070A - The dehydration promotion method using for wings drain and the dehydration intake out-let a combination structure - Google Patents

Abstract

The present invention is the upper portion of the wing drain (5) formed by enclosing as a nonwoven fabric (4) by attaching and installing the corrugated wing (3) (3a) of the structure in which the drainage passage (2) is formed on both sides of the cylindrical perforated pipe (1) The dehydration suction opening 6 is embedded by hooking and engaging the dehydration suction opening 6 having a structure formed separately to the upper portion of the dehydration suction opening 6 in the ground of the soft ground 12. The ground clay layer 13 of the upper clay on the position line becomes the vacuum barrier membrane 13 so that the dehydration suction port 6 is hooked and the wing drain 5 coupled to the bite is sealed to the ground of the soft ground 12. Next, the tip of the bending pipe 10 having the structure forming the dehydration suction port 6 is coupled to the screw pipe 14a of the suction pipe 14 associated with the discharge pipe 15 in which the vacuum pump 16 is fixed. (11) Soft paper using vacuum barrier membrane of surface drain and earth clay layer to complete construction by combining installation The underground vacuum condensation dehydration promotion method and the coupling structure of the wing drain and the dehydration suction port, the simple construction method of the dehydration of the soft ground (12) more quickly to shorten the improvement period of the soft ground (12) to increase the economic efficiency It is proposed to be.

Description

Underground vacuum pneumatic dehydration acceleration method using the vacuum barrier membrane of the wing drain and the ground clay layer

1 is a cross-sectional view of a construction installation state of the present invention.

Figure 2 is an enlarged front view showing an incision by extracting the state coupled to the dehydration suction port to the wing drain in the installation installation state of the present invention.

3 is an enlarged cross-sectional view taken along the line A-A of FIG.

Figure 4 is an exploded perspective view of Figure 2;

Explanation of symbols on the main parts of the drawings

1: Cylindrical Perforated Pipe 1a: Wheel Wheel Wrinkle 2: Drainage

3,3a: corrugated wing 4: nonwoven fabric 5: wing drain

6: Dewatering intake port 7: Socket type cap 8: Mounting protrusion

9: draft guide tube 10: bending tube 11: coupling

12: soft ground 13: vacuum barrier membrane (surface clay layer) 14: suction pipe

14a: screw tube 15: discharge tube 16: vacuum pump

17: Packing

The present invention is installed in the ground of the soft ground in a state in which the dehydration suction port is coupled to the upper portion of the wing drain of the structure having a corrugated wing of the structure having a drainage passage formed on both sides of the cylindrical perforated corrugated pipe having a small diameter Underground vacuum pneumatic dehydration effect by the ground clay layer of the appropriate thickness (50㎝ ~ 100㎝) to be a vacuum barrier membrane to be buried in the ground of the soft ground to the upper part of the dehydration suction port is coupled to the top of the wing drain The present invention relates to the ground vacuum pneumatic dehydration promotion method and the coupling structure of the dehydration suction port of the soft ground using the wing drain and the vacuum barrier membrane of the ground clay layer, and the upper part of the soft ground having the wing drain combined with the dehydration suction port installed. Ground clay layer set to proper thickness (50㎝ ~ 100㎝) becomes a vacuum barrier film so that vacuum condensation dehydration can proceed. Writing, sealed simply by installing construction dewatering effect such that the vacuum film installation surface without laying a synthetic resin such as clay directly vacuum barrier to the construction, as well as to proposed to improve the economical efficiency by significantly reducing the construction cost.

In order to improve the conventional soft ground, install vertical and horizontal drainage pipes inside the soft ground, and then install the drainage layer and the soil loading layer on the top of the soft ground. In the Patent Registration No. 0100513 (No. 3,537, 1996.03.22 Announcement No. 3475), which is the inventor of the patent, which is dewatered into the horizontal drainage pipe by the vertical drainage pipe and the drainage layer, the vertical drainage pipe 11 is soft ground (1). After construction is installed to be buried in the ground of the ground) to install the horizontal drainage pipe 13, drainage layer 12 and the fill soil (15) to promote the dehydration of water (water) contained in the soft ground by the fill earth pressure It was made.

In addition, in Korean Patent Registration No. 0310728 (Oc. No. 0310728), the applicant of which registered the patent on September 19, 2001, the internal drain pipe (3) and the surface drain pipe (3a) inside and on the soft ground (1). The upper and lower surfaces of the floating mat slab (7) were installed after installing the floating mat slab (7) having a structure in which the inner hole (7a) was communicated by the upper and lower PE mats (6) (6a). It was installed so as to be sealed by the V-C vacuum packaging film 8, and the vacuum pump 4 sucked out the water (water) contained in the soft ground 1.

In addition, in Patent Registration No. 0340236 (published on Nov. 5, 1999, Publication No. 00078935), the applicant of the patent registration of May 29, 2002, the defects of the plate drainage filter and the large-bore cylindrical perforated drain pipe, which are conventionally installed, are found. In order to compensate, the drainage wing to secure the dehydration conversion cross section is formed on both sides of the perforated pleated water drainage pipe with a large dehydration conversion cross-sectional area, which is closed like a plate drainage filter and compressed by horizontal earth pressure. There was no deterioration.

In the conventional construction method using the filling pressure, a large amount of clay is required, the construction period is long, the dehydration period is prolonged, and the vacuum compaction is performed by installing a floating mat slab and a P, V, C vacuum packing film. In the used construction method, there were many defects in the construction cost due to the many difficulties in construction.

Particularly, in the construction method using embankment pressure or vacuum consolidation, when the required circumferential length is secured to the circumferential surface of the drain pipe installed inside the soft ground, a cylindrical perforated drain pipe having a large diameter in the passage surface is used. The cylindrical shape is deformed flat and dehydration function is degraded and the dehydration period is prolonged.

The present invention is to install a wing drain in the ground of the soft ground to be installed by hooking the dehydration suction port of the structure formed separately in the upper portion in order to solve the conventional drawbacks, the dehydration suction port By installing the construction so that it is buried in the ground of the soft ground, the surface clay layer in which the above-mentioned dehydration suction port is buried becomes a vacuum barrier film, and the dewatering and intake port coupled to the upper part of the wing drain installed to be sealed to the ground of the soft ground is vacuumed. Underground vacuum pneumatic dehydration promotion method of soft ground using vacuum drain membrane of ground clay and ground clay layer by coupling coupling to the suction tube screw pipe connected with discharge pipe fixedly installed and wing drain and dehydration suction port Concerning the coupling structure, construction installation cost as a construction method by a simple work process Reduction, and is aimed as to improve the economical efficiency by shortening the soft ground by improving the period of more quickly dehydrated in soft ground.

Wing drain 5 formed by attaching and installing corrugated wings 3 and 3a having a structure in which drainage passages 2 are formed on both sides of the cylindrical perforated corrugated pipe 1 and surrounding the periphery with a nonwoven fabric 4 is formed. In installing the construction to be vertical drain into the ground of the soft ground (12),

The dehydration suction port 6 of the structure formed separately on the upper end of the wing drain (5) is coupled to be installed by biting, the structure of the dehydration suction port (6) to be hooked to the cylindrical perforated corrugated pipe (1) A plurality of mounting protrusions (8), which are inversely caught by the circumferential wrinkles (1a) of the structure forming the cylindrical hole corrugated pipe (1) inside the socket-shaped cap (7) to be formed, protruded inwardly, and the socket-type cap ( At the rear of 7), the coupling 11 was coupled to the bending tube 10 in which the suction guide tube 9 was extended to bend the tip portion.

The wing drain 5, which is formed by hooking the dehydration suction port 6 having such a structure, is connected to the socket-shaped cap 7 of the dehydration suction port 6 and the center of the suction guide tube 9 to the soft ground 12. ) Is buried in the ground, and the bending pipe 10 is installed so as to protrude, so that the ground clay layer 13 in which the dehydration suction port 6 is embedded becomes a vacuum barrier membrane 13 made of clay having high concentration and is soft ground. The wing drain 5 embedded in the ground of (12) is vacuum-consolidated by the vacuum barrier film 13 which is the ground clay layer 13.

The tip of the bent pipe 10 protruding to the top of the ground clay layer 13 to be the vacuum barrier film 13 is fixed to the discharge pipe 15 separately installed by the coupling 11 with the packing 17 therebetween. The installation and installation work of the present invention is completed by coupling to the screw pipe 14a which is installed and protrudes into the suction pipe 14 suctioned and discharged by the vacuum pump 16.

The present invention as described above is installed to be a vertical drain to the ground of the soft ground (12) in the state of being combined with the dehydration suction port (6) on the upper portion of the wing drain (5) by using the existing pour equipment, The construction is installed so as to be buried up to the upper portion of the suction guide pipe (9) integral with the dehydration suction port (6) that is hooked to the upper portion of the wing drain (5).

At this time, the dehydration suction port 6 is coupled to the upper portion of the wing drain (5) is coupled to the state of the several projections inclined inward in the socket type cap (7) forming the dehydration suction port (6) 8) is engulfed in the wheel folds 1a of the cylindrical hole pleated pipe 1 forming the wing drain 5, and is reliably installed without fear of falling out at all.

In this way, the ground clay layer 13 of the soft ground 12 embedding the dehydration suction port 6 in the upper portion of the wing drain 5 becomes the vacuum barrier film 13 and the soft ground 12 on which the wing drain 5 is installed. Inside) is tightly sealed.

When the construction of the wing drain 5 is completed as described above, the vacuum pump 16 is coupled to the distal end of the bent pipe 10, which is the distal end of the suction guide tube 9, which forms the dehydration suction port 6. By attaching the packing 17 to the screw tube 14a of the suction pipe 14 provided with), the wing drain 5 embedded in the ground of the soft ground 12 is sucked out of the dehydration suction port 6 and The suction pipe 14 and the discharge pipe 15 communicate with each other by a single line through the screw pipe 14a coupled to the tip of the guide pipe 9 and the bending pipe 10.

By operating the vacuum pump 16 in such a state, water (moisture) contained in the soft ground 12 flows into the wing drain 5 so that the dehydration suction port 6, the suction pipe 14, and the discharge pipe ( The soft ground 12 is improved while being discharged through 15).

In the present invention as described above, by operating the vacuum pump 16, the wing drain 5 installed so that the vertical drain in the discharge pipe 15 and the soft ground 12 on which the vacuum pump 16 is installed is vacuum It becomes a single line communicating in a closed state by the blocking film 13, and water (moisture) contained in the soft ground is passed through the nonwoven fabric 4 of the wing drain 5 by the pumping pressure of the vacuum pump 16. The inlet pipe (1) is introduced into the cylindrical perforated corrugated pipe (1) along the drainage passage (2) of the corrugated blades (3) and (3a) on both sides to increase the dehydration conversion area to secure the required lubrication length. 14) and is discharged to the discharge pipe (15).

By continually proceeding such an operation, it is possible to promote the improvement of the soft ground 12 while continuously and quickly discharging the water (moisture) contained in the soft ground 12.

The present invention as described above is to reduce the diameter of the cylindrical perforated corrugated pipe in the case of the wing drain to be installed so that the vertical drain in the interior of the soft ground to improve the soft ground, to increase the dehydration conversion area on both sides of the circumference The corrugated wing is installed to form the drainage passage with the length secured. Especially, the dewatering and intake port has the size and shape for inserting the wing drain on the upper part of the wing drain, and the several mounting protrusions are projected inward. The ground clay layer of the soft ground, which is buried to the upper part of the dehydration suction port while being firmly hooked so as not to be desorbed at all, becomes a vacuum barrier film, and the wing drain and the dehydration suction port installed in the ground of the soft ground are the vacuum barrier membrane. It is securely sealed by means of installation and therefore separate PE mat paper or There is no need to install floating mat slabs or P.V.C vacuum pavement membranes, and there is no need to install separate drainage layers or fill layers, which can greatly reduce construction costs and construction costs.

In addition, since the wing drain and the dehydration suction port, the suction pipe, and the discharge pipe which are installed and sealed by the ground of the soft ground are connected in a single line, there is an effect of promoting the improvement of the soft ground by rapid and continuous dehydration.

Claims (3)

Soft ground (12) is formed by attaching and installing the corrugated blades (3) (3a) having a drainage passage (2) formed on both sides of the cylindrical perforated corrugated pipe (1), and surrounded by a nonwoven fabric (4). In the normal construction method to install the construction so that the vertical drain in the ground) The tip of the bent tube (10) bent by extending the bent pipe (7) and the suction guide tube (9) of a size and shape capable of inserting the corrugated blades (3) (3a) on the top of the wing drain (5) After installation by hooking the dehydration suction port 6 of the structure in which the coupling 11 is coupled to the coupling 11, the construction is installed so as to be a vertical drain into the ground of the soft ground 12, of the wing drain (5) The ground clay layer 13 in which the dehydration suction port 6 is embedded is embedded in the central portion of the suction guide tube 9 formed by extending the dehydration suction port 6 which is hooked on the upper portion thereof. The inside of the soft ground 12 in which the wing drain 5 is embedded is in a vacuum consolidation state, and a tip of the bent pipe 10 protruding to the upper part of the ground clay layer 13 is a conventional vacuum pump ( The normal packing 17 is opened to the screw pipe 14a which is fixedly installed and protrudes into the suction pipe 14 communicating with the discharge pipe 15. By combining and installing with the coupling (11) installed in the ground of the soft ground (12) from the wing drain (5) to the discharge pipe 15, the installation is installed so as to communicate in a single line Underground Vacuum Pneumatic Dehydration Acceleration Method for Soft Ground Using Vacuum Barrier Membrane. In the normal wing drain (5) in which the corrugated blades (3) and (3a) are installed to be installed vertically in the ground of the soft ground (12), The suction guide tube 9 is extended to the upper portion of the socket-shaped cap 7 formed by protruding a plurality of mounting protrusions 8 inwardly in the size and shape of the corrugated blades 3 and 3a. Wing characterized in that the dehydration suction port 6 having a structure in which the coupling 11 is coupled to the distal end of the bent pipe 10 is formed by being hooked on the upper portion of the normal wing drain 5. Combined structure of drain and dewatering suction port. The method of claim 2, In the hooking of the dehydration suction port 6 on the upper part of the normal wing drain 5, several mounting protrusions protruding inward in the socket type cap 7 forming the dehydration suction port 6 ( 8) is a coupling structure of the wing drain and the dehydration suction port, characterized in that to be reversed to bite to the wheel ring wrinkle (1a) forming the cylindrical hollow hole tube (1) of the structure of the conventional wing drain (5).

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