KR20010054276A - Recycled asphalt made by apparatus for recycling wasteasphalt and method for repairing a manhole using the same - Google Patents

Abstract

PURPOSE: A manhole repairing method using a waste asphalt regenerator is provided to repair manholes rapidly and stably by using regenerated asphalt manufactured by crushing waste paving materials and filling concrete from a building site in a waste asphalt regenerator and putting an addition as filling concrete without using additional filling concrete. CONSTITUTION: A manhole repair method using a waste asphalt regenerator comprising a rectangular support plate loaded on a truck, an oil hydraulic pump fixed on the top of the support plate, a transferrer, a drier, a ventilator, and a mixer comprises the steps of: cutting paving materials vertically along the outward shape of a manhole; after crushing the cut paving materials using a hammering instrument, removing the paving materials and the existing filling concrete; removing a manhole cover support(25) and the existing height adjusting materials; after cleaning the top surface of a manhole slab(26), applying primer; after installing many new height adjusting materials(27), installing the manhole cover support; filling with epoxy resin and steel wires added regenerated asphalt(2); and tamping the filled regenerated asphalt by a tamper and curing the surface to open traffic.

Description

Recycled asphalt made by apparatus for recycling wasteasphalt and method for repairing a manhole using the same}

The present invention relates to a recycled asphalt produced by waste asphalt regenerator and a manhole repair method using the same. More specifically, the present invention is to crush the waste pavement and filling concrete in the waste asphalt regenerator mounted on the truck in the field, and then repair the manhole using reclaimed asphalt prepared by adding the additives quickly and easily manhole repair work at low cost It relates to a recycled asphalt produced by the waste asphalt regenerator that can be constructed and a manhole repair method using the same.

In general, the manhole is installed on the road for maintenance and repair of underground facilities, and as the number of vehicles driving on the road increases, the road gradually ages as the speed and weight increase, causing the manhole installed on the road to sink. Cracking occurs and it is necessary to carry out repair work. Manhole renovation is a barrier to smooth traffic flows because traffic must be blocked. Renovations require speed, safety and economics to lessen the traffic flow.

The conventional manhole repair method uses brick and cement to adjust the height of the impression, so that the curing period is long, and the working time is long, causing traffic jams. Of course, there is a problem that the risk of traffic accidents.

The EPO method, which was introduced from abroad, shortened the curing time, but the construction cost is high because the materials and equipment are imported, and the defects are frequent because the epoxy concrete, which is filled concrete, is weak and still fragile. have.

The SS method is a recent technology that reduces construction costs by localizing materials and equipment. However, the existing manhole slab is reinforced concrete, whereas the height adjustment material is used between the manhole slab and the manhole cover frame. Since the flow is generated, the amount of epoxy concrete, which is filled concrete, is small, and room temperature ascon is used as the surface finish material, so that the periphery of the manhole or cracking occurs.

In addition, the road surface for repairing the manhole has a problem that there is a lot of trouble to repair because it is difficult to manufacture and supply a small amount of road paving material if the road paving material is asphalt, and all the conventional manhole repair method is a waste pavement and filling concrete Therefore, there is a problem that a separate process is required.

The present invention solves the problems of the prior art and processes the manhole repair work more quickly and is made of recycled asphalt made from waste asphalt regenerators that can be stable in quality, environmentally friendly and economical, and manhole repair methods using the same. Developed.

The purpose of the present invention is to use the reclaimed asphalt produced by adding the additives by pulverizing the waste pavement and filling concrete generated on-site without using a separate filling concrete in the waste asphalt regenerator of the present invention to use the manhole repair work It is to provide a recycled asphalt produced by the waste asphalt regenerator that can be quickly and stably constructed, and a manhole repair method using the same.

Another object of the present invention is to use the recycled asphalt produced by the waste asphalt regenerator of the present invention as mandatory concrete refilling concrete is produced by the environmentally friendly waste asphalt regenerator because it does not need to separately process the existing pavement and filled concrete It is to provide a recycled asphalt and manhole repair method using the same.

Another object of the present invention is to repair the manhole with the recycled asphalt produced by the waste asphalt regenerator of the present invention using the waste asphalt generated in the manhole repair work, so the manhole maintenance integrated with the surrounding pavement material is not used. It is to provide a recycled asphalt and a manhole repair method using the same as possible waste asphalt regenerator.

1A is a plan view of the waste asphalt regenerator of the present invention mounted on a truck.

1B is a front view of the waste asphalt regenerator of the present invention mounted on a truck.

2A is a plan view of a crusher of the waste asphalt regenerator of the present invention.

Fig. 2B is a front view of the crusher of the waste asphalt regenerator of the present invention.

Figure 3 is a perspective view of a conveying apparatus combined with a dryer and a blower of the waste asphalt regenerator of the present invention.

4A is a plan view of the mixing apparatus of the waste asphalt regenerator of the present invention.

4B is a front view of the mixing apparatus of the waste asphalt regenerator of the present invention.

5 is a cross-sectional view of a manhole showing the manhole repair method using the waste asphalt regenerator of the present invention.

<Short description of the symbols in the drawings>

1: waste asphalt regenerator 2: recycle asphalt

3: grinding device 4: feeder

5: dryer 6: blower

7: Mixer 11: Cylindrical Roller

15: screw 18: mixer barrel

24: manhole cover 25: manhole cover

26: manhole slab 27: height adjustment material

The present invention will be described with reference to the drawings.

The present invention uses the waste asphalt regenerator (1) and the recycled asphalt (2) manufactured by the waste asphalt regenerator using the recycled asphalt produced by the waste asphalt regenerator, which can quickly and stably make manhole repair work, and the manhole using the same It is about repair method.

The waste asphalt regenerator 1 is composed of a crusher 3, a transfer device 4, a dryer 5, a blower 6, a mixing device 7 and a pedestal 8, Figures 2 to 4 It demonstrates with reference.

As shown in Fig. 2, the pulverizing device 3 is composed of a hydraulic motor 9, a hopper 10, a pulverization cylinder 12 and a chute 13 in which four cylindrical rollers 11 are accommodated.

The hydraulic motor 9 operates by receiving electric power from a vehicle P.T.O. (Power Transfer Organization) and transmits power to the cylindrical roller 11 by using a V belt and a power transmission disk 14.

The hopper 10 is a rectangular weight-shaped device for placing waste asphalt or waste cement concrete into the grinder 12.

The cylindrical roller 11 has a tooth-shaped blade is formed continuously on the surface, two at the top of the inner pulverization cylinder 12, two at the bottom is penetrated through the rotating shaft is installed in the pulverization cylinder 12 It receives the power from the hydraulic motor (9) and rotates. The two cylindrical rollers 11 installed on the upper side are installed in parallel with each other, the interval can be adjusted to be pulverized by adjusting the maximum particle size of the waste asphalt or waste cement concrete. The two cylindrical rollers 11 installed on the lower part are installed in parallel to each other under the two rollers installed on the upper part, and the intervals can be adjusted so that the primary pulverized package and the filled concrete can be pulverized more finely. . By varying the rotational speeds of the two cylindrical rollers 11 installed on the upper and lower portions, the waste package and the filled concrete are easily crushed.

The chute 13 is formed at the bottom of the pulverization cylinder 12 and discharges the waste package and the filled concrete pulverized by the cylindrical roller 11.

The conveying apparatus 4 is composed of a circular tube 16 having a hydraulic motor 9 'and a screw 15 inserted therein as shown in FIG.

The hydraulic motor 9 'is operated by receiving power from a vehicle P.T.O. (Power Transfer Organization) and transmits power to the screw 15.

The screw 15 is a device in which a screw-shaped rotary blade is formed continuously on a rod-shaped shaft, one end of which is installed in the hydraulic motor 9 'and discharged to the chute 13 of the grinding device 3 while rotating. Waste packages and filled concrete are transferred to the mixing device (7).

The circular tube 16 accommodates the screw 15, the inlet 30 is formed to be connected to the lower portion of the chute 13 of the grinding device 3, it is installed to be inclined upward. The circular tube 16 is preferably adjusted to the angle of inclination so that the waste package and the filled concrete can be easily transported.

The dryer 5 is installed in the middle of the transfer device 4, as shown in Figure 3, by using the power of the motor installed in the vehicle to crush the heat generated by burning the oil received from the oil tank 17 The waste packages and the filled concrete are dried.

The blower 6 is installed in the conveying apparatus 4 upward of the dryer 5 as shown in FIG. 3 and uses the air remaining in the waste package and filling concrete dried by the dryer 5. To remove it.

As shown in Fig. 4, the mixing device 7 is for accommodating the pulverized waste package and the filling concrete, and is installed in the mixer mixer 18, which is formed in the inlet 32, in the mixer cylinder 18. It consists of three rotary blades 20, the rotating shaft 21, the chute 22 and the hydraulic motor (9 '') equipped with a stirrer (19).

The three rotary blades 20 are installed in the center of the cylindrical mixer barrel 18 and installed on the upper portion of the rotary shaft 21 is transmitted by the hydraulic motor 9 '', the transfer device (4) It rotates around the rotating shaft 21 at a constant speed so that the waste package and the filled concrete transferred from the mixing well. At the end of the rotary blade is agitator 19 is installed so that the waste package and filling concrete and additives can be easily mixed.

The chute 22 is installed at the bottom of the mixer barrel to discharge the recycled asphalt 2 composed of additives, waste pavement, and filled concrete.

As shown in Fig. 1B, the pedestal 8 is a rectangular steel structure with the grinding device 3, the conveying device 4, the dryer 5, the blower 6 and the mixing device 7 at the bottom. I support it. The waste asphalt regenerator (1) consisting of a pedestal (8) and a crusher (3), a conveyer (4), a dryer (5), a blower (6), and a mixer (7) fixed to the top of the pedestal is a truck (23). It is characterized in that it can be mounted on the manhole repair site directly to produce the reclaimed asphalt (2), the control device 31 mounted on the truck controls the waste asphalt regenerator (1).

The recycled asphalt produced by the waste asphalt regenerator is put into the crushing device (3) of the waste asphalt regenerator (1) of the waste pavement and filling concrete, and ground to 5 mm or less; The pulverized waste package and the filled concrete are transferred to the mixer barrel 8 of the mixing apparatus 7 using the transfer apparatus 4, and then dried with a dryer 5 installed in the transfer apparatus 4, and then transferred. Water is removed by a blower 6 installed in the apparatus 4; 7 wt% of a liquid general purpose epoxy resin and 1.7 wt% iron wire are added to the pulverized waste package and filling concrete in the mixer barrel 8, and then mixed and discharged.

The recycled asphalt is for use as the filled concrete of the manhole to be reinforced, and the waste pavement and the filled concrete, which are generated in the field, have a compressive strength of 180 kg / cm 2 or more and flexural strength of 130 kg / cm 2 or more to the waste asphalt regenerator of the present invention. After grinding to 5 mm or less as shown in Table 1 below, the additives are added as shown in Table 2 below.

Dimension (mm) 5 2.5 1.2 0.6 0.3 0.15 Less than 0.08 ratio() 42 to 45 23-26 12-15 6-9 + 4 to 7 3 to 6 2 to 5

division Surface Asphalt + Base Asphalt Surface Asphalt + Cement Concrete Cement concrete Remarks Liquid General Purpose Epoxy Resin 7 7 7 Percentage of unit weight (1 kg) of ground material Iron line 1.7 1.7 1.7

The manhole repair method of the present invention comprises the steps of cutting the package with a cutter along a peripheral line with a predetermined interval along the outer shape of the manhole, after shredding the cut package using a blow tool to break the shredded package and filling concrete Removing, the step of removing the pre-installed manhole cover 25 seated on the manhole cover 24 and the pre-installed height adjuster placed on the manhole slab 26 below the manhole cover, a new height adjuster (27) ) And then applying the primer 28 to clean the upper surface of the manhole slab 26 to be installed, install a plurality of new height adjusting material 27 on the manhole slab 26, the new height adjusting material (27) Installing the manhole cover 25 above, applying a primer to the surface of the new height adjusting material 27 and the manhole cover 27 and the inner peripheral surface of the cut pavement 29 and filling the recycled asphalt 25 Steps to meet After the chopped regenerated asphalt 25 to dajimgi, a step of curing opened to traffic.

Cutting the package with a cutter along a peripheral line with a predetermined interval along the outer shape of the manhole is to cut the entire thickness of the package using a circular cutter to cut perpendicular to the package surface so as not to affect the surrounding package. .

After crushing the cut package by using the blow tool, the step of removing the crushed package and the filling concrete is to crush by cutting the pavement cutting portion so that the manhole cover base (25) pre-installed with a hand breaker is not crushed The filling concrete is removed by manpower under the package. The removed pavement and filled concrete are ground in the hopper 10 of the waste asphalt regenerator 1 mounted on the truck.

The step of removing the height adjustment support member pre-installed on the manhole slab under the manhole cover butt 25 and the manhole cover butt, the manhole cover 25 is used after the removal by manpower or lifting device to store separately, The installed height adjuster is crushed and removed.

The step of applying the primer 28 after cleaning the upper surface of the manhole slab 26 on which the new height adjusting material 27 is to be installed is to adhere the new height adjusting material to the upper surface of the slab and clean the upper surface of the slab. Apply the epoxy resin primer evenly with a brush.

Installing the plurality of new height adjusters 27 on the manhole slab 26, and installing the manhole cover 25 on the new height adjusters replaces the existing height adjusters that have been crushed and removed by centrifugal force. Stacked and installed a new plurality of height adjustment material 27 of reinforced concrete products, it can be installed by inserting the iron plate so that the upper side of the manhole cover base installed on the height adjustment material to match the pavement surface around the manhole. Manhole cover 25 is installed so that the manhole slab evenly receives the traffic load without any gap on the height adjuster.

Applying a primer to the surface of the new height adjusting material 27 and the manhole cover, and the inner circumferential surface of the cut pavement, and filling the recycled asphalt (2) is put into the waste asphalt regenerator (1) of the present invention prepared Epoxy primer is applied immediately after opening so that the recycled asphalt adheres well to the inner circumferential surface of the new height adjusting material 27, the manhole cover 25, and the cut package 9, and the waste asphalt regenerator 1 The reclaimed asphalt 2 discharged to the chute 13 of the mixing device 7 is filled without gaps around the new height adjuster 27 and the manhole cover 25. The reclaimed asphalt (2) is pulverized shredded pavement and filled concrete to 5 mm or less by the crusher (3) of the waste asphalt regenerator (1) of the present invention, the crushed pavement and filled concrete reclaimed waste asphalt regenerator While transferring the internal moisture to the mixer barrel 18 through the inlet 30 of the mixing device with the feeder 4 of the mixing device to the heat of the dryer 5, and completely by using the wind of the blower 6. The rotary blade 20 formed with the stirrer 19 by adding 7 weight of the liquid general purpose epoxy resin and 1.7 weight of the iron wire to the water-removing package and the filled concrete pulverized in the mixer barrel 18 of the mixing device 7. ) Is prepared by mixing well for 5 to 6 minutes.

After crushing the filled reclaimed asphalt (2) with a compactor, the step of curing and opening the traffic is crushed to be horizontal so as not to chin on the pavement surface around the manhole and the top of the reclaimed asphalt filled with a compact vibration compactor, and then natural curing After 30 to 40 minutes after curing or using a hot air balloon, traffic is opened to complete the manhole repair work.

Manhole repair method using the recycled asphalt produced by the waste asphalt regenerator of the present invention is economical and environmentally friendly manholes by using waste asphalt regenerator to treat the waste pavement and filling concrete generated on-site without additional treatment process Provide repair methods. In addition, it uses the same material as the surrounding pavement material instead of using a separate surface finisher, and uses recycled asphalt manufactured by waste asphalt regenerator directly as a substitute for the surface finisher to shorten the manhole repair work air and open traffic quickly. The use of height adjusting material, which is centrifugal reinforced concrete, provides a manhole repair method with less defects.

Claims (4)

A rectangular pedestal 8 mounted on the truck 23; A rectangular parallelepiped pulverizer 12 having a hydraulic motor 9, a square hopper 10, a columnar roller 11 up and down at the bottom of the hopper, and an upper portion of the pedestal 8. A grinding device (3) consisting of a rotating shaft penetrating the four cylindrical rollers (11), a power transmission disk (14), and a chute of a rectangular shape (13) installed under the grinding cylinder (12); The injection port 30 connected to the chute 13 of the crushing apparatus 3 above the pedestal 8, the circular tube 16 into which the screw 15 is inserted, and the hydraulic pressure formed at the lower end of the circular tube 16. A conveying apparatus 4 made of a motor 9 'and formed to be inclined upwardly; A dryer (5) connected to the transfer device (4) on the pedestal (8); A blower 6 connected to a transfer device 4 above the dryer 5 above the pedestal; And Injector 32 connected to the upper end of the transfer device 4 on the upper part of the pedestal 8, three rotor-shaped rotary blades 20 connected to the rotary shaft 21 and the stirrer 19 is coupled to the lower end therein A mixing device (7) consisting of a mixer barrel (18) formed at the bottom, a chute (22) formed at the bottom of the mixer barrel (18), and a hydraulic motor (9 ''); Waste asphalt regenerator, characterized in that consisting of. The waste pavement and the filled concrete are put into a grinding device 3 of the waste asphalt regenerator 1 of claim 1 and ground to 5 mm or less; The pulverized waste pavement and filling concrete are transferred to the mixer container 18 of the mixing device 7 by using the transfer device 4 of the waste asphalt regenerator 1 of claim 1, and to the transfer device 4. Drying with a dryer (5) installed, and then removing moisture with a blower (6) installed in the transfer device (4); And The recycled asphalt prepared by mixing and discharging 7 weight of the general purpose epoxy resin and 1.7 weight of the iron wire to the pulverized waste package and the filling concrete in the mixer barrel 18, and then discharged. Cutting the peripheral package vertically with a cutter at a predetermined distance along the contour of the manhole; Crushing the cut pavement using a blow tool, and then removing the crushed pavement and existing filled concrete; Removing the existing height adjusting material placed on the manhole slab 26 and the manhole cover bottom 25 and the manhole cover bottom 25; Cleaning the top surface of the manhole slab 26 and then applying a primer 28; Installing a plurality of new height adjusting materials (27) on the manhole slab (26), and installing the manhole cover (25) on the new height adjusting materials (27); The recycled asphalt according to claim 2, wherein a primer is applied to the surface of the new height adjuster 27 and the manhole cover 25 and the inner circumferential surface of the cut and shredded package 29 and manufactured by the waste asphalt regenerator 1 of claim 1. (2) charging; And Compacting the charged recycled asphalt 2 with a compactor and curing to open traffic; Manhole repair method using the recycled asphalt produced by the waste asphalt regenerator, characterized in that consisting of. The method of claim 3, wherein the new height adjuster 27 is a rectangular ready-made centrifugal reinforced concrete product, characterized in that the manhole repair method using recycled asphalt produced by the waste asphalt regenerator.