KR20080102583A - Stonework wall repair reinforcement method of box sewage passage - Google Patents

Abstract

A stone axial wall repair reinforcing method is provided to repair and reinforce many damage part of the collapsed stone axial wall. A stone axial wall repair reinforcing method comprises following steps: a first step which organizes the soil in which the stone masonry is collapsed and streaming down in order to conserve and reinforce the collapsed stone masonry(100); a second step adjusting the part in which the stone masonry is damaged(110); a third step setting up drainpipe the constant interval(120); a fourth step which puts the earth anchor into the part in which the stone masonry is damaged and set up(130); a fifth step applying the panel in the part in which the stone masonry is collapsed and fixes the panel with the earth anchor(140); a sixth step filling the ultra-super fine cement in the surrounding of the panel and solidifies the soil(150); a seventh step filling the reinforced concrete mixing the quick setting admixture in the panel inner side(160); an eighth step coating the finishing coating agent in the repaired part neighboring(170).

Description

STONEWORK WALL REPAIR REINFORCEMENT METHOD OF BOX SEWAGE PASSAGE}

1 is a block diagram of a stone wall is installed with a typical slab.

2 is a state in which a typical stone wall collapsed.

Figure 3 is a repair reinforcement state of the collapsed stone wall of the present invention.

Figure 4 is a block diagram showing the repair reinforcement process of the collapsed stone wall of the present invention.

Figure 5 is a block diagram showing the repair reinforcement process of the collapsed stone wall as another embodiment of the present invention.

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

10: stonework 11: foundation

20: earth and sand 30: bottom

40: slab 50: drain pipe

60: panel 70: earth anchor

80: cement 81: concrete

The present invention relates to a method for repairing and strengthening a stone wall of a box sewer pipe, and in detail, a repair and reinforcement is required in a situation in which there is no construction method suitable for repairing a collapsed stone wall of a box structure having a narrow internal space. A method of repairing and repairing many broken parts.

In general, the structure of the box sewer pipe is covered with a slab lid of reinforced concrete structure on the side wall of the masonry stream.

Since the space of the construction site in the box sewer pipe is a narrow and confined space with a width and height of 1m-2m, it is impossible to apply the method of reinforcing and reinforcing the general structure on the ground. The construction method suitable for the construction was developed.

Conventionally, as shown in FIG. 1, there are many places where both sides of the wall are formed on the foundation 11 of the sewage pipe bottom 30 and the slab lid 40 is covered with the slab lid 40 on the top.

The box sewer pipe is covered with slab lids of reinforced concrete structures on both walls of the stream of sedimentary rocks.

As the masonry wall of the box sewer pipe passes many times, the masonry 10 inside the box partially collapses due to the vibration of the surroundings, the influence of water pressure due to rainwater, or the earth pressure, and the stacked stones are partially lost. There was a weak point.

The present invention has been invented to solve the above problems of the prior art, an object of the present invention is to repair reinforcement in the situation that there is no construction method of reinforcement work suitable for the repair reinforcement of the collapsed stone wall of the box structure of narrow inner space The present invention provides a method for repairing and reinforcing the masonry walls of the box sewer pipe that can repair and repair a large number of damaged parts.

Another object of the present invention is to easily repair the place where the stone walls inside the box are partially collapsed and the accumulated stones are partially lost due to the influence of water pressure due to the surrounding vibration, rainwater, or earth pressure as the masonry wall of the box sewage pipe passes a lot of time. The present invention provides a method for reinforcing the stone wall of box sewer pipe that can be reinforced.

The present invention for achieving the above object in the method for reinforcing the stone wall wall reinforcement of the box sewer pipe, the first process of arranging the sediment (soil) flowed down collapsed to repair the collapsed stone stock, A second process of arranging the damaged part of the stonework through the first process, a third process of installing drainage pipes at regular intervals after the second process, and an earth anchor is put in the damaged part of the stonework after the third process The fourth process of installation, the fifth process of fixing the panel with the earth anchor by applying the panel to the part where the stonework collapsed after the fourth process, and filling the fine soil cement around the panel after the fifth process to solidify the soil. The sixth process, and the seventh process of filling the inside of the panel with reinforcement concrete (fine cement + aggregate) mixed with a fastener after the sixth process, and after the seventh process the surface coating finish coating agent around the repair area It is characterized by consisting of an eighth process.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood, however, that the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth. Note that the same reference numerals are used for the same parts in the drawings of the present invention. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is a repair reinforcement state diagram of the collapsed stone wall of the present invention, Figure 4 is a block diagram showing the repair reinforcement process of the collapsed stone wall of the present invention.

3 and 4, in the method for repairing and strengthening the stone walls of the box sewer pipe, the present invention arranges the soil (soil) 20 in which the stone 10 is collapsed and flowed down to repair and reinforce the collapsed stone stock. After the first process (100), the second process (110) and the second process (110) for arranging the damaged part through the first process (100), the drain pipe at regular intervals after the second process (110) The third process (120) to install the 50 and the fourth process (130) to install the earth anchor 70 in the portion where the stone 10 is damaged after the third process (120) and the third process (120) After the fourth process (130) by applying the panel 60 to the collapsed portion of the stone 10 is fixed to the panel 60 and the earth anchor 70 and the fifth process (140), after the fifth process (140) Reinforced concrete (fine cement + aggregate) in which the superfine particle cement 80 is filled around the panel 60 so as to solidify the soil 20, and the fastener is mixed after the sixth process 150. ) 81 in panel 60 The seventh process (160) to fill in the side, and the seventh process (160) after the eighth process (170) to apply a surface coating finish coating agent around the repair site.

The ultra-fine particle cement has a thermal loss of 1.5-3.0, silicon dioxide (sio2) 15-45, aluminum oxide (Al2o3) 10-15, iron oxide (Fe2o3) 0.2-0.5, calcium oxide (CaO) 45-65, magnesium oxide (MgO) 0.2-0.5, sulfur trioxide (SO3) 3.5-5.5 mixed with water and swelling agent mixed with a weight ratio of very fine particle diameter is very fine because it penetrates well into the target soil.

The panel 60 is made of concrete or reinforced resin.

The reinforced concrete is cement 38% admixture 0.6% sand 55% high strength mixed material 2,9%

3,5% of the expandable inorganic-based admixture.

The cement of the reinforced concrete is thermal loss 1.5-3.0, silicon dioxide (sio2) 15-45, aluminum oxide (Al2o3) 10-15, iron oxide (Fe2o3) 0.2-0.5, calcium oxide (CaO) 45-65, magnesium oxide ( MgO) is mixed at a weight ratio of 0.2-0.5, sulfur trioxide (SO3) 3.5-5.5.

Looking at the structure of the box sewer pipe is formed on both sides of the slab lid 40 of the reinforced concrete structure on the side wall of the river formed a box-shaped bottom 30 made of stone 10.

In more detail, the method for repairing and repairing the limestone as described above is arranged to clean up the sediment (soil) 20 in which the stonework 10 collapses and flows down to repair the collapsed stonework. Clean up the damaged portion of the stone 10 (10). Install the drain pipe 50 at regular intervals of about 2m.

After that, the earth anchor 70 is driven and installed at the portion where the stone shaft 10 is damaged, and the earth anchor 70 is fixed to the earth and sand (soil) by putting the ultra-fine particle cement through the earth anchor 70. The panel 60 is fixed to the earth anchor 70 and the anchor nut by applying the panel 60 in which the earth anchor hole is formed in the collapsed part of the stone shaft 10.

The panel 60 is made of concrete or reinforced resin, and presses the earth anchor 70 into the panel 60 to increase the resistance of soil disintegration.

The soil 60 is solidified by filling the ultra-fine particle cement 80 mixed with a grouting expander and a shotcrete rapidener around the panel 60 by spraying or injection. At this time, the ultra-fine particle cement has a very fine particle diameter, and thus, penetrates well into the target soil and penetrates deep.

After that, the reinforcement concrete mixed with the fastening agent to adjust the curing time according to the site conditions is filled in the rest of the damaged. Flatten the construction and apply a surface protective finish coating to the surrounding area, including the repair area.

Figure 5 is a block diagram showing the repair reinforcement process of the collapsed stone wall as another embodiment of the present invention.

The stonework repair reinforcement method construction process of another embodiment of Figure 5, first, the first process to clean up the earth and sand flow down the stonework collapsed and 200, the first process 200 to clean up the damaged part through the first process (200) After the second process (210) and after the second process (210), the foamed urethane layer is formed on the groundwater outflow part of the exposed earth and sand (soil) part that is collapsed for the purpose of backfilling and forming the waterproof layer. A third process of installing a drain pipe 220 and a fourth process of spraying shotcrete with crude steel concrete mixed with steel fibers having a weight ratio of about 3-5% by weight of the sediment collapsed after the third process 220; 230, a fifth step 240 of installing the air mat formwork to form a wide and flat plate shape when compressed air is injected to fill the empty space with reinforced concrete after the fourth step 230, and the fifth step Air mat of reinforcement concrete mixed with fastener after the process (240) After the sixth process (250) and the sixth process (250) to be filled in the formwork, if the reinforcement concrete is cured to practical strength after curing for 1-2 hours, remove the air mat formwork and the protective finish coating agent on the surface of the filled concrete It consists of a seventh process (260) for applying.

The reinforcement concrete is 38% cement, 0.6% admixture, 55% sand, 2,9% high-strength mixed material, 3,5% of the expandable inorganic-based mixture.

The reinforcement concrete cement is thermal loss 1.5-3.0, silicon dioxide (sio2) 15-45, aluminum oxide (Al2o3) 10-15, iron oxide (Fe2o3) 0.2-0.5, calcium oxide (CaO) 45-65, magnesium oxide ( MgO) is mixed at a weight ratio of 0.2-0.5, sulfur trioxide (SO3) 3.5-5.5.

 Looking at the structure of the box sewer pipe is the form of the slab lid of the reinforced concrete structure on the side wall of the river formed a box-shaped bottom of both walls of the stonework.

The crude steel concrete has a thermal loss of 1.5-3.0, silicon dioxide (sio2) 15-45, aluminum oxide (Al2o3) 10-15, iron oxide (Fe2o3) 0.2-0.5, calcium oxide (CaO) 45-65, magnesium oxide (MgO) 0.2-0.5, sulfur trioxide (SO3) 3.5-5.5 in weight ratio mixed with water and the expansion agent is further mixed.

When explaining another embodiment in more detail, the sediment is collapsed to clean up the runoff. After that, clean up the broken stone. A foamed urethane layer is formed on the groundwater outflow part of the exposed soil (soil) part that is collapsed for the purpose of filling the stonework and forming the waterproofing layer. At this time, install drainage pipes at intervals of 1-2 meters. The first shot concrete is to be sprayed with crude steel concrete mixed with 3-5% by weight of steel fibers in the sedimentary parts of the limestone. Then, when compressed air is injected to fill the empty space created by the collapsed and collapsed stones with reinforcement concrete, air mat formwork is formed into a wide flat plate.

After that, the reinforcement concrete mixed with the fastener is filled into the air mat formwork.

At this time, the surface of the stonework surface on which the formwork is installed has a lot of irregularities, but the air mat has elasticity and elasticity so that the formwork can be installed without gap between the surface of the stonework with severe irregularities. This is possible.

The reinforcement concrete used at this time is a reinforced concrete with waterproof, antibacterial and corrosion resistance that mixes steel fiber with 3-5% weight ratio for structural strength (tensile strength and bending strength) reinforcement, and then installs air mat formwork and reinforcement concrete for filling Fill it up.

When the reinforcement concrete is cured for 1-2 hours after curing to practical strength, the air mat formwork is removed and a finish coating agent is applied to the surface of the reinforcement concrete.

As described above with reference to the illustrated drawings according to the present invention, the present invention is not limited by the embodiments and drawings disclosed herein, and various modifications can be made by those skilled in the art within the scope of the technical spirit of the invention Of course.

According to the present invention as described above, there is an effect that can repair and reinforce many damaged portions of the collapsed stone wall of the box structure having a narrow inner space.

In addition, as the masonry wall of the box sewage pipe is passed for a long time, it is easy to repair and reinforce the place where the masonry inside the box is partially collapsed due to the impact of water pressure due to surrounding vibration, rainwater, or earth pressure. There is an advantage.

Claims (7)

In the reinforcement method of stone wall of box sewer pipe, The first process of arranging the sediment which collapsed and flowed down to reinforce the collapsed stone, A second process of arranging the damaged portion of the stonework through the first process; A third process of installing a drain pipe at a predetermined interval after the second process, A fourth process of installing and anchoring an earth anchor in a portion where the stonework is damaged after the third process; A fifth process of fixing the panel with an earth anchor by applying a panel to the collapsed portion of the stonework after the fourth process; A sixth process of solidifying the soil by filling the ultra-fine particles cement around the panel after the fifth process; and a seventh process of filling the inside of the panel with reinforced concrete mixed with a fastener after the sixth process; and the seventh process. Reinforcement method for the stone wall of box sewer pipe, characterized in that the eighth process to apply the surface protection finish coating agent around the repair site. 2. The method of claim 1, wherein the panel is made of concrete or reinforced resin. The method of claim 1, The reinforced concrete is cement 38% admixture 0.6% sand 55% high strength mixed material 2,9% Reinforcement method of the stone wall of the box sewer pipe, characterized in that made of 3,5% of the expandable inorganic mixture. The method of claim 3, wherein The cement has a thermal loss of 1.5-3.0, silicon dioxide (sio2) 15-45, aluminum oxide (Al2o3) 10-15, iron oxide (Fe2o3) 0.2-0.5, calcium oxide (CaO) 45-65, magnesium oxide (MgO) 0.2 -0.5, sulfur trioxide (SO3) reinforcement method for repairing the masonry wall of the box sewer pipe, characterized in that mixed in the weight ratio of 3.5-5.5. In the reinforcement method of stone wall of box sewer pipe, The first process of arranging the earth and sand flowing down and collapsed, A second process of arranging the damaged portion of the stonework through the first process; A third process of installing a drainage pipe at an interval of 1-2 meters by forming a foamed urethane layer in the groundwater outflow portion of the exposed soil (soil) portion that is collapsed for the purpose of filling after the limestone and forming a waterproof layer after the second process; A fourth process of spraying shotcrete with crude steel concrete mixed with steel fibers having a weight ratio of about 3-5% by weight of the sediment where the stonework collapsed after the third process; A fifth step of installing an air mat formwork having a wide and flat plate shape when the compressed air is injected to fill the empty space with reinforced concrete after the fourth step; A sixth process of filling the inside of the air mat formwork with reinforcement concrete mixed with the fastener after the fifth process; After the sixth process, when the reinforcement concrete is cured for 1-2 hours and cured to practical strength, the sedimentation of the box sewage pipe is characterized in that it consists of a seventh process of removing the air mat formwork and applying a protective finish coating agent to the surface of the filled concrete. Wall repair reinforcement method. The method of claim 5, The reinforced concrete is cement 38% admixture 0.6% sand 55% high strength mixed material 2,9% Reinforcement method of the stone wall of the box sewer pipe, characterized in that made of 3,5% of the expandable inorganic mixture. The method of claim 6, The cement has a thermal loss of 1.5-3.0, silicon dioxide (sio2) 15-45, aluminum oxide (Al2o3) 10-15, iron oxide (Fe2o3) 0.2-0.5, calcium oxide (CaO) 45-65, magnesium oxide (MgO) Reinforcement method for the stone wall of box sewer pipes, characterized in that the mixture of 0.2-0.5, sulfur trioxide (SO3) 3.5-5.5 by weight.

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