KR200392537Y1 - Strip liner for strip-lining construction - Google Patents

Abstract

A stripliner for striplining methods is disclosed. A stripliner for use in a striplining method for spirally winding a strip to form a tube, wherein a rear surface of the stripliner protrudes one or more ribs having a T-shaped protrusion extending in a longitudinal direction in the width direction, and a first end at both ends in the width direction. The fastening groove or the first fastening protrusion is interposed between the strip extending in the longitudinal direction and the adjacent spirals of the spirally wound strip to be mutually coupled, and the second fastening protrusion corresponding to the first fastening groove at both ends in the width direction Or a joiner in which the second fastening groove extends in the longitudinal direction corresponding to the first fastening protrusion, wherein the joiner and the strip include a vinyl chloride material, and the first fastening groove or the second fastening groove includes rubber or silicon material. The stripliner for striplining method, in which a seal material is combined, is a ground structure without excavation using a stripliner. Regardless of the maintenance can be reinforced because it can be obtained from about increase of more than 15% of the strength effects and the maintenance effect than was the replacement of existing pipes with new building or more reinforcement effect, that fuse is economical as compared to the drilling method of the prior art.

Description

Strip liner for strip-lining construction

The present invention relates to a stripliner, and more particularly to a stripliner for striplining method.

The no excavation repair method is a method of forming a new complex pipe in an old buried pipeline without digging the ground when repairing various types of sewer pipes, such as sewer pipes underground. Since it is unnecessary, it is an excellent method in many aspects such as economic feasibility, constructability and convenience. The excavation and replacement of the pipe as a whole is very expensive due to the large scale of construction and the partial repair, etc., which is costly and economically burdensome, and causes additional problems such as traffic jams during the construction period. Excavation repair methods are widely used.

Existing pipe repair method is one of these unexcavated pipeline repair methods, and the hard lining material made of vinyl chloride is inserted into the existing pipe through the manhole, and the lining material is spirally wound and installed on the inside of the pipe. Refers to a method of forming a continuous lining tube by joining and using a joining member between ashes, and injecting and integrating a filler into the space between the lining tube and the existing installed tube.

Currently, the facility business of various pipelines is steadily being promoted not only in the city center but also in various sites, but in recent years, the maintenance and management of existing facilities are becoming more important due to the limited economic feasibility of supply and maintenance. Old pipes, which are often used under special conditions and have long installation periods, often lose large amounts of water and leak sewage due to corrosion, cracks, deformation, and wear of the pipes. It also leads to environmental problems such as soil and groundwater pollution. Therefore, in order to further increase the service life of the old and damaged pipelines, it is urgently necessary to have appropriate methods for maintenance and repair of the pipelines.

While the importance of repairing pipelines has recently been raised, many unexcavated repair methods have been introduced. However, in the field of existing pipe repair methods, the development of appropriate methods and materials is insufficient due to technology or cost problems. In addition, new technologies, equipment, and methods are being actively published in the non-excavation repair method, but research on repair materials that are appropriately applied to the method is much insufficient and its importance is neglected.

On the other hand, most conventional underground landfill sewage and sewage pipe installation works are connected to the cast iron pipe or concrete fume pipe made of a certain unit length of several tens of meters between the manhole and the manhole and buried in the ground Was done. In this case, the pipeline between the upstream manhole and the downstream manhole must be constructed to have a constant gradient so that the fluid can flow smoothly inside the pipeline.

However, in the conventional pipeline installation construction, due to various reasons such as poor construction, floating settlement of the ground, and the action of the upper load, the joint of the unit length of the pipe is dropped, and the fluid inside the pipeline flows into the soil, or underground groundwater, There is a problem that foreign matters such as soil and sand penetrate into the pipeline.

In addition, the settlement of the soil often leads to the collapse of the road is built on top of the pipeline can cause additional damage.

Conventional pipe installation works have various problems in the material of the pipe itself. In the case of cast iron pipes, the damage of the pipeline by corrosion is the biggest problem, and in the case of concrete fume pipes, there are problems such as cracks and water leakage, strength loss, dropout, and corrosion by hydrogen sulfide. In addition, the heavy load of the pipeline itself requires a lot of transportation costs, and particularly in the case of large diameter pipes, the burden of transportation costs is greater.

The prior art related to sewage pipes is Republic of Korea Utility Model Publication No. 94-27128 ('sewage pipe'). However, the present invention relates to the configuration of the unit length of the pipe, when the sewage pipes are constructed by the above design, various defects may occur at the joints, and there is a problem in that the pipe of the unit length is transported to the site for construction.

The present invention forms a composite tube in which an existing tube and a strip tube are integrated, thereby exhibiting effects such as higher strength, durability, and watertightness, and a stripliner for striplining and reinforcing reinforcing method that can maximize quality improvement, economy, and efficiency. To provide.

In addition, the present invention can form a single pipe line without a joint to prevent defects that may occur in the joint, and the pipe is formed of a material that does not cause corrosion or cracks, so that the field is less likely to be repaired and improved later To provide a strip liner for the pipeline installation method.

According to one aspect of the present invention, in the stripliner used in the striplining method for spirally winding the strip to form a tube, the back surface has one or more ribs protruding in the longitudinal direction of the T-shaped protrusions extending in the longitudinal direction, The both ends of the width direction are interposed between the strip in which the first fastening groove or the first fastening protrusion extends in the longitudinal direction, and the adjacent spirals of the spirally wound strip are coupled to each other, and the first fastening portion is disposed at both ends in the width direction. A second fastening protrusion corresponding to the groove or a second fastening groove corresponding to the first fastening protrusion, the joining member extending in a longitudinal direction, wherein the joiner and the strip include a vinyl chloride material, and the first fastening groove or the second fastening The grooves are provided with stripliners for striplining methods in which seal materials comprising rubber or silicone materials are bonded.

Hereinafter, a preferred embodiment of the stripliner striplining method according to the present invention will be described in detail with reference to the accompanying drawings, in the description with reference to the accompanying drawings, the same or corresponding components are given the same reference numerals and Duplicate description thereof will be omitted. In addition, prior to describing the preferred embodiments of the present invention in detail, the striplining pipeline repair reinforcement method and the field canister pipe installation method that can be used the present invention stripliner will be described first.

The strip lining pipeline repair reinforcement method according to the present invention is an unexcavated pipeline repair method that forms a new complex pipe in an aging buried pipeline without digging the ground when reinforcing various types of pipelines such as sewer pipes underground. It is a technology that integrates the fuse and the existing by injecting filler between the existing pipe and the fuse by spirally winding the fuse of the lining material and forming a new composite pipe.

More specifically, the striplining pipeline repair and reinforcement method according to the present invention first inserts a strip of strip made of hard or soft vinyl chloride into an existing pipe through a manhole, and then spirals the strip inside the pipe. After the installation, it is joined using a joiner, which is a joining member, between the strip and the strip, and a continuous strip tube is newly formed. Next, the filler is injected into the space between the strip tube and the existing tube to be integrated. As a result, a composite tube, that is, a regenerated tube, in which an existing tube and a strip tube are integrated is formed, thereby exhibiting effects such as higher strength, durability, and watertightness.

In other words, the present invention relates to a strip liner that can be used in the existing pipe regeneration method, which is a kind of pipeline repair method, to maximize quality improvement, economy, efficiency, and the like. Hereinafter will be described the process of striplining pipeline repair reinforcement method according to the present invention.

(1) cleaning the existing pipe

The construction section is cleaned by washing the inside of existing pipe with high pressure water. When washing, various foreign substances such as sediment inside the pipe line are discharged through dredging, and impurities attached to the inner surface of the existing pipe are removed cleanly. At this time, after dredging, the inner surface of the pipeline should be completely removed by using the spatula, etc., so as to fully improve the adhesive strength with the existing pipeline when filling the high-strength mortar after strip lining.

Roots and protrusions of trees that penetrate into the pipeline should be removed, and any breakage of the pipeline does not matter, but the protrusions inside the pipeline should be removed beforehand.

(2) Spacer Installation

The spacer is installed on the upper part of the existing pipe to divide the existing pipe into the upper space and the lower space. Filler filler spacer is installed on the upper part of the pipe in the construction section. The spacer is an injection hose passing aid for injecting high-strength filled mortar inside the strip tube, and is preferably attached to the center of the upper part of the pipe line.The spacer prevents the wing of the injection hose passage part from bending to the injection hose passage part when attached. The connection of the spacer is connected to the connection aid to prevent the jamming of the injection hose that may be caused by the gap between the spacer and the spacer when passing through the injection hose.

The space of the injection hose passing part may be made into a space in which an optical cable, a transmission pipe, etc. may be embedded after injection.

The procedure is to i) mark the spacer installation part in the upper part of the pipeline, ii) install the anchor which is a fixing hanger for fixing the spacer, and iii) install the spacer, Mount the injection hose lead-in wire, and iv) complete the installation of the spacer and the injection hose lead-in wire.

(3) steel pipe

The strip is introduced into the lower space, and the strip is spirally wound along the inner surface of the lower space to form a tube. The strip is introduced into the existing pipe and closely attached to the pipe to make the spiral pipe. The first 2 ~ 3m can be made by manpower, so that it can be basically made spirally.

When joining, bring the joiner to the side of the tube making machine so that the strip and joiner are put in each direction. The joiner, which connects the strips to the strips, adjusts the air pressure of the canister to make sure that the roller of the canister is sealed. The most important thing to note during the manufacturing process is to ensure that the double seal is securely joined by the joining of the joiner and the strip.

After the tube is completed, the end portion is preferably sealed with an epoxy-based sealing agent tightly to prevent leakage of the filler during injection of the filler.

(4) filling material filling

Inject the injection hose into the upper space, and inject the filler through the injection hose. Fill the space between the existing pipe and the strip pipe with high strength mortar by using the space of the spacer installed before the pipe as the passage of the injection hose. The mortar is mixed according to the standard mixing ratio of the predetermined high strength mortar. At this time, the injection time is determined by checking the curing time of the mortar. Inject the injection hose into one direction and rewind it.

Repeat the injection step by step while watching the hardened state of high strength mortar in the same way. The injection hose rewinding maintains a constant speed so that high strength mortar is constantly injected into the gap between the strip and the existing pipe. The final injection injects only the main material to tightly fill the adhesive and void between the strip and the existing tube.

The specific working procedure is to i) install a circular support in the pipe to prevent swelling of the strip pipe due to the buoyancy of the filler when injecting the filler, ii) mix each of the filler and the hardener to the mixer according to the mixing ratio, and iii) the site conditions. Measure the curing rate according to the iv), iv) inject the filler from the top of the manhole, v) inject the filler into the conduit, vi) perforate the air outlet during the final injection of the top after filling the filler, vii) install the air outlet , viii) the filling material is finally injected, and ix) the regeneration tube is completed by sealing the upper end of the strip tube and the passage through the injection hose after injection is completed.

On the other hand, as one of the striplining method that can be used the present invention stripliner there is a field pipeline installation method. The field pipeline installation method relates to the construction method for the establishment and improvement of the sewage and sewage pipelines that are buried in the ground, and can be manufactured on site using a pipe tube and cast concrete. It is made by placing concrete after installing formwork by reinforcing it.

The difference between the existing cast iron pipe and the concrete fume pipe embedding method is that there is no joint throughout the pipeline, so it is possible to prevent leakage due to falling off, there is no dropping off due to partial settlement, and corrosion does not occur and utility during concrete pouring Since the pipeline is installed, it can be expanded at no additional cost, and since there is no crack, structural defects are eliminated accordingly, and the flow rate is increased by lowering the roughness coefficient inside the pipeline, and the slope of the pipeline is ensured to smooth the flow. That can be the point.

On-site canal pipe installation method using strip liner of the present invention is related to the establishment and improvement of underground reclaimed sewage and sewage pipes. There is a difference.

In the case of new pipeline, the trench is to be burrowed at the place where the pipeline is to be buried, and after the manhole is installed, cast concrete is placed at the bottom of the part where the pipeline is to be installed, and a new pipeline is prepared. When digging or discarding concrete, the slope of the pipeline should be considered to form the necessary slope.

If the pipeline is to be retrofitted, the existing pipeline is to be demolished and discarded concrete is placed at the bottom of the part where the pipeline is to be installed, and the pipeline is prepared for retrofit. If necessary, existing manholes can also be demolished. In this case, manholes should be provided at the required part. As in the new construction, when casting concrete, the required draft should be formed in consideration of the draft of the pipeline.

After the manhole and the discarded concrete are prepared for the construction or improvement of the pipeline, the construction is carried out according to the same construction order. First, the synthetic strip wound around the strip feeder is taken out and wound in a spiral to form a pipeline. Although the piping of a strip pipe | tube may be performed by an attractive force, More preferably, it can be carried out by the piping machine dedicated to piping work.

The tube making machine not only serves to form the strip tube with a uniform diameter and uniform gradient, but also functions to ensure that the strip and the strip or the joining of the strip and the joiner are made.

Next, reinforcement is installed around the pipeline. The reinforcing material is integrated by pouring concrete into the strip tube, and it is preferable to reinforce the reinforcing bar by installing it to structurally reinforce the concrete. In this case, the strip pipe is to act as the inner (pipe side) formwork of the sewage pipe made of reinforced concrete. In case of reinforcing bar as reinforcing material, it is possible to secure the structural advantages of reinforced concrete, which improves the load bearing capacity of the pipe.

Moreover, shotcrete can also be sprayed and poured into a strip tube as a reinforcement material. In this case, a protrusion such as a rib is preferably formed on the outer surface of the strip tube, and it is also preferable to use it with a reinforcing material such as a wire mesh. In the case of shotcrete is integrally combined with the strip tube serves to improve the bonding strength of the synthetic resin strip tube and concrete. Of course, in case of pouring shotcrete, the pipe line installation may be completed without the concrete pouring process.

Next, formwork for pouring concrete is installed around the reinforcement. The form of the formwork can be formed in various ways, such as the square column, polygonal column, tunnel type, columnar shape corresponding to the shape of the pipe. In the case of assembling a conventional unit length pipe, cylindrical pipes were used in consideration of ease of assembly.However, in the case of forming a pipeline by pouring concrete around a strip pipe that is already cylindrical, as in the present invention, the pipe is surrounded by a pipe. Depending on the terrain, whether buried and the location of the like can form a variety of pipes.

On the other hand, in the process of pouring concrete when laying various utility pipes at the same time can form a form in a form that can include this. Conventionally, when laying other utilities along with the pipeline, formwork and concrete pouring were required separately, but in the case of the present design, it can be performed simultaneously with the installation of the pipeline, thereby reducing the air and cost.

Next, the concrete is poured into the formwork to complete the pipeline. Concrete is filled tightly in the space formed by the reinforcement and formwork, and it is possible to improve flowability by adding admixtures so that the required strength can be exhibited after curing, or to improve adhesion, hardening degree, durability, etc. by adjusting the composition ratio. good.

As described above, in the concrete pouring process, the strip tube serves as a pipeline formwork. Therefore, in order to prevent the plastic strip tube from being deformed or collapsed due to concrete pouring, it is better to install a support such as copper bar in the strip tube.

However, in the case of a pipeline such as the present invention, it is difficult to erect a rod-like club, as in general construction work, and it is preferable to install a support having a plurality of legs in a radial interval at regular intervals.

However, since the support installed in the pipeline is often difficult to remove after construction, it is more preferable to install a member such as a cylindrical tube made of a material capable of accommodating fluid in the pipeline during the strip tube formation process.

In this case, by forming a strip tube and injecting a fluid such as air or water into the cylindrical tube before placing the concrete on it, the tube can support the inner wall of the strip tube to prevent deformation and collapse of the strip tube due to concrete pouring. have.

1 is a cross-sectional view of a strip for striplining method according to an embodiment of the present invention. Referring to FIG. 1, a strip 50, a rib 52, a first fastening groove 54, and a first fastening protrusion 56 are illustrated.

Strip 50 according to the present embodiment is a strip-shaped material of the hard or soft vinyl chloride material having a cross section as shown in Figure 1, the back of the T-shaped rib 52 to increase the rigidity and the binding force with the filler material ) Is preferably formed into a protruding structure.

The cross-sectional shape of the rib may be a T-shaped skeleton, and the vertical portion of the T may be formed in a trapezoidal shape. As such, by increasing the width of the rib supporting portion, the supporting force of the rib is improved, and the number of ribs can be reduced as a whole of the strip.

In the case of FIG. 1, eight ribs are formed, but when the width of the vertical portion of the T is widened as described above, the same supporting force may be ensured even with seven or less ribs. In this way, reducing the number of ribs while maintaining the same support force, as well as saving the material can be better combined with the concrete is improved construction properties.

In addition, in the T-shaped cross section of the rib, stepped portions may be formed at both ends of the horizontal portion. In other words, if the step is formed like a 'serif' among the fonts, the binding force on the concrete of the rib is improved, thereby improving the workability and structural performance.

Both ends of the strip 50 have a structure capable of joining with a joiner, and for this purpose, fastening grooves 54 or fastening protrusions 56 are formed at both ends of the strip. Fastening protrusions or fastening grooves are formed at both ends of the joiner coupled to the strip 50 so as to correspond to the fastening grooves 54 or the fastening protrusions 56, respectively. It is wound continuously in a spiral to form a tube.

However, when the strip 50 according to the present invention is wound in a spiral, adjacent spirals are not necessarily limited to each other by a joiner, and one end and the other end of the strip 50 are formed to be coupled to each other. Adjacent spirals of the strip 50 may be directly coupled to each other without a joiner within a range apparent to those skilled in the art.

In this case, one end of the cross section of the strip 50 is formed as shown in FIG. 1, but the other end is preferably formed in each of the fastening protrusions or the fastening grooves corresponding to the fastening grooves or fastening protrusions of one end, as in the end of the joiner of FIG. 2. Do. Of course, in order to ensure exponentiality, it is preferable to interpose a seal member at one end or the other end of the strip 50.

The inner surface of the strip 50 is preferably adjusted appropriately the coarseness coefficient through a coating or the like to facilitate the flow of the fluid. In addition, the tube is piped so that the gradient of the entire conduit is maintained without the uneven portion so that the fluid does not stagnate in a certain region.

As such, in order to uniformly form the pipeline so that the pipeline maintains a constant gradient, it is preferable to perform the piping operation using a canister rather than a manpower. The tuber may use a tuber in the striplining method of an existing tube, and it is also preferable to use a tuber made exclusively for the installation of a pipeline according to the present invention.

Pipe line installation can only be fixed or movable form, if the strip is continuously inserted in one direction it is possible to continuously manufacture the strip pipe of the correct diameter by assembling the inserted strip in a spiral by using a device such as a roller.

The tube making machine that functions as described above has a moving part which can move while winding the strip spirally, a feeding part for continuously feeding the strip from the strip feeder, a frame part which maintains a frame of a cross section corresponding to the cross section of the strip tube, And a roller portion accommodated inside the frame portion and having a plurality of arms to rotate the spirally while pressing the strip toward the frame by the arm.

The moving part may be controlled to move automatically according to the forming speed of the strip tube, and in some cases, may be manually moved with a moving means such as a wheel.

The roller portion is composed of a plurality of arms, and the plurality of arms rotate to wind the strip spirally. At this time, the end of the arm is preferably provided with an elastic means such as a spring, a pneumatic cylinder to press outward.

2 is a cross-sectional view of a standard joiner for striplining method according to an embodiment of the present invention. Referring to FIG. 2, a standard joiner 60a, a seal material 62, a second fastening groove 64, and a second fastening protrusion 66 are illustrated.

The joiner 60, which is a seal of the strip, is divided into two types: a standard joiner 60a made of hard vinyl chloride and a flexible joiner (60b in FIG. 3), which is a composite of hard and soft bent chloride used in the step, bend, and bend portions. The standard joiner 60a and the flexible joiner 60b both have a second fastening protrusion 66 or a second fastening groove 64 corresponding to the first fastening groove 54 or the first fastening protrusion 56 of the strip, respectively. The strip 50 is reliably sealed by a special locking function, which includes a rubber or silicone seal material 62 at a portion where the joiner 60a and the strip 50 are coupled to each other. The castle can be secured.

3 is a cross-sectional view of the flexible joiner for striplining method according to an embodiment of the present invention. Referring to FIG. 3, a strip 50, a flexible joiner 60b, a seal material 62, a second fastening groove 64, and a second fastening protrusion 66 are illustrated.

As described above, there are two types of joiners used in the present invention, a standard joiner (60a in FIG. 2) and a flexible joiner 60b, and the flexible joiner 60b is coupled to a strip and seals at its coupling part. It consists of both ends which 62 is interposed, and the center part which connects between both ends.

The flexible joiner 60b is a material used for bending a tube, and both ends thereof are made of hard vinyl chloride, like the standard joiner, but the center portion is preferably made of soft vinyl chloride. In this way, since the center portion is made of soft vinyl chloride, both ends of the joiner can be bent with respect to the center portion, thereby making it possible to form steps, bends, and bends in the strip tube.

Caulking is preferably performed using an epoxy-based caulking material or the like in a space formed by using a soft vinyl chloride in the center of the flexible joiner 60b.

Although the technical idea of the present invention has been described in detail according to the above-described embodiment, the above-described embodiment is for the purpose of description and not of limitation, and a person of ordinary skill in the technical field of the present invention may understand the technical idea of the present invention. It will be understood that various embodiments are possible within the scope.

According to the present invention as described above, it is possible to repair and reinforce regardless of the structure of the ground by using a strip liner without excavation, so that the reinforcement effect of replacing the existing pipe with a fuse, that is, the effect of increasing strength of about 15% or more compared to the fuse and It is very economical compared to the excavation method and the prior art because it can obtain a repair effect.

In addition, in the case of installing a field pipeline using a strip liner, it is possible to prevent a variety of defects that may occur at the joint by forming a single pipe without a joint throughout the pipeline and using synthetic resin as an internal material of the pipe. Corrosion and cracks due to this can be completely blocked to prevent floating settlements, thereby reducing the need for further repair and improvement of the pipeline.

1 is a cross-sectional view of a strip for stripping method according to an embodiment of the present invention.

2 is a cross-sectional view of a standard joiner for striplining method according to an embodiment of the present invention.

3 is a cross-sectional view of the flexible joiner for striplining method according to an embodiment of the present invention.

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

Strip (50) Rib (52)

First fastening groove (54) First fastening protrusion (56)

Joiner (60) Seal material (62)

Second fastening groove (64) Second fastening protrusion (66)

Claims (1)

In the stripliner used in the striplining method of spirally winding the strip to form a strip tube, At least one rib having a T-shaped protrusion extending in the longitudinal direction on the rear surface thereof and extending in the longitudinal direction, and a first fastening groove or a first fastening protrusion extending in the longitudinal direction at both ends of the width direction; Adjacent spirals of the strip wound in a spiral manner are interposed between the strips so as to be mutually coupled to each other, and both ends of the width direction correspond to the second fastening protrusion corresponding to the first fastening groove or the second fastening groove corresponding to the first fastening protrusion. Including a joiner extending in the longitudinal direction, The joiner and the strip may include a vinyl chloride material, and a striplining method for striplining method in which a seal material including a rubber or silicon material is coupled to the first fastening groove or the second fastening groove.