KR20160118719A - Adherence and Tensile Strengthening Facility Maintenance / Reinforcement - Google Patents

Adherence and Tensile Strengthening Facility Maintenance / Reinforcement Download PDF

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Publication number
KR20160118719A
KR20160118719A KR1020150047261A KR20150047261A KR20160118719A KR 20160118719 A KR20160118719 A KR 20160118719A KR 1020150047261 A KR1020150047261 A KR 1020150047261A KR 20150047261 A KR20150047261 A KR 20150047261A KR 20160118719 A KR20160118719 A KR 20160118719A
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South Korea
Prior art keywords
rust
deteriorated
facility
reinforcing
chipping
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KR1020150047261A
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Korean (ko)
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정근석
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정근석
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Priority to KR1020150047261A priority Critical patent/KR20160118719A/en
Publication of KR20160118719A publication Critical patent/KR20160118719A/en

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D37/00—Repair of damaged foundations or foundation structures
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

The present invention relates to an adhesive force and tensile force reinforcement type repairing and reinforcing method for a facility. The adhesive force and tensile force reinforcement type repairing and reinforcing method for a facility includes: a step of chipping and removing a degradation unit of a facility; a step of performing a concave and convex coring anchor work on an outer facility on a chipping surface of the degradation unit; a step of removing rust of a rusted reinforcing bar; a step of applying an anti-rust additive on the reinforcing bars on which the rust is removed after the step of removing the rust of the rusted reinforcing bar; a step of washing a part of the outer facility including the chipping surface of the degradation unit and the reinforcing bar to which the anti-rust additive is applied; a step of applying a primer on the surface in which a part of the outer facility including the chipping surface of the degradation unit and the reinforcing bar coated with the anti-rust additive is washed; a step of filling a degradation unit section restoring member into the reinforcing bar coated with the anti-rust additive and the chipping surface of the degradation unit; a step of injecting a resin into a concave and convex coring anchor and binding a reinforcing member in the upper part; a step of applying a finishing coating agent onto the reinforcing member; and a step of completing construction. Therefore, the adhesive force and tensile force reinforcement type repairing and reinforcing method for a facility improves the adhesive force and the tensile force of the reinforcing member. Also, the adhesive force and tensile force reinforcement type repairing and reinforcing method for a facility also includes a step of cutting a longitudinal groove of the degradation unit on the chipping surface of the degradation unit after the step of performing the concave and convex coring anchor work on the outer facility of the chipping surface of the degradation unit. So, the adhesive force and the tensile force reinforcement type repairing and reinforcing method for a facility increases the adhesive force between new and existing concrete as s result, by increasing the adhesive force of the degradation unit section restoring member.

Description

Adhesion and tensile strength repair and maintenance method of reinforced facilities {omitted}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a maintenance and reinforcement method of an adhesive force and a tensile force reinforcing type facility, It is an invention that enables efficient maintenance and reinforcement for civil engineering structures including civil engineering structures, building structures and power plants as well as sewage pipelines, sewage culverts, water pipes, and environmental facilities.

Typical facilities are deteriorated, cracked or broken due to various factors such as time-lapse, contact with seawater, direct or indirect contact with hazardous materials, or excessive load loading over a long period of time. Maintenance and reinforcement are required.

In the conventional repair and reinforcement method, repair and reinforcement are performed by filling the cavity portion of the deteriorated portion directly with the deteriorated sectional restorative material through the processes such as chipping, rust removal, cleaning, primer coating, etc. of the deteriorated portion of the existing facility , There is a problem that the adhesion between the new and old concrete between the chipping surface of the deteriorated portion of the facility and the deteriorated portion of the deteriorated portion is lowered and the lifetime of the facility is not maintained as planned and the repair and reinforcement are performed.

Also, in the case of a method of repairing and reinforcing a room of a predetermined facility including a deteriorated section restorer, a cracked portion and a damaged portion of a facility by using a sheet type stiffener, a wire type stiffener, a net stiffener, or a spray stiffener In the case where the end portions of the various stiffeners are attached to existing facilities only depending on the direct adhering force, there is a fear that the end portions may fall off or the designed load can not be properly handled due to the decrease of the adhering force. In the case where a conventional anchor is fastened to the facility and the reinforcement is fastened, the maintenance and reinforcement cost is unnecessarily used by the amount corresponding to the height corresponding to the height of the anchor by protruding to the outer surface of the facility by the height of the anchor, There is a problem that the existing facilities The cracks are generated due to the decrease in the adhesion between the concrete and the anchor material and the difference in shrinkage and expansion between the different materials due to the change in the atmospheric temperature. As a result, the life of the facilities due to quality deterioration may be shortened. .

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems of the related art, and it is an object of the present invention to provide a corrugated core ring anchor And the reinforcing member is attached to the upper portion of the anchor to increase the adhesion and tensile strength of the reinforcing member.

Further, it is preferable to further include a step of providing deteriorated longitudinal grooves at predetermined intervals in the longitudinal direction in which the tensile force acts on the deteriorated portion chipping surface of the existing facilities to be repaired / reinforced, And the adhesive force between the new and old concrete is increased as a result.

According to an aspect of the present invention, there is provided a method of manufacturing a semiconductor device, comprising: a step of chipping and removing a deteriorated portion of a facility; a step of performing an uneven coring anchor operation on an external facility on a deteriorated portion chipping surface after a step of chipping and removing the deteriorated portion A step of removing the rust of the rusty reinforcing bar after the step of performing the corrugated anchoring work on the outer facilities of the deteriorated portion on the chipped surface and the step of applying the rust inhibitor on the rust removed from the rust after the rust removal process of the rusty reinforcing bar A step of applying a rust inhibitor on the rust-removed reinforcing bars, a step of rinsing a part of the external facilities including the reinforcing bars coated with the rust inhibitor and the chipping faces of the deteriorated parts, and the step of rinsing the rust- After the process of cleaning some of the external facilities, some of the external facilities including the reinforcing bars coated with rust inhibitor and the deteriorated chipping surface A step of applying a primer on a cleaned surface, a step of applying a primer onto a surface of a part of an external facility including a reinforcing bar coated with the rust inhibitor and a chipped surface of the deteriorated portion, A step of filling the deteriorated section restorer with a rutting agent, and a step of filling the deteriorated section restorer on the chipped surface of the reinforcing bar and the deteriorated section coated with the rust preventive agent. After the resin is injected into the corrugated core ring anchor, A step of applying a finishing coating agent onto a stiffener after a step of injecting a resin into the corrugated core ring anchor and attaching a stiffener to the upper surface of the stiffening core ring anchor, a step of finishing the construction after the finishing coating agent is applied on the stiffener .

Further, the method further comprises a step of cutting the deteriorated longitudinal groove on the chipped surface of the deteriorated portion after the step of performing the corrugated anchoring work on the outer facilities of the deteriorated portion chipping surface.

As described above, according to the repairing and reinforcing method of the adhesive force and the tensile strength reinforcing facilities of the present invention, the existing facilities to be repaired / reinforced are arranged at a predetermined interval in the lateral direction on the somewhat inner side of both ends of the stiffener in the longitudinal direction, It is an extremely useful invention to increase the adhesive force and tensile force of the stiffener by injecting resin into the corrugated core ring anchor after installing the corrugated core ring anchor and attaching the stiffener to the top.

Further, it is preferable to further include a step of providing deteriorated longitudinal grooves at predetermined intervals in the longitudinal direction in which the tensile force acts on the deteriorated portion chipping surface of the existing facilities to be repaired / reinforced, , It is an extremely useful invention to increase the adhesion force of the deteriorated section restorative material and consequently to increase the adhesion force between new and old concrete.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view of a method for repairing and reinforcing an adhesive force and a tensile strength type facility according to the present invention; FIG.
2 is a sectional view taken along line AA of Fig.
3 is a cross-sectional view of BB of FIG.
Fig. 4 is an enlarged view of Fig. 1C. Fig.
5 is an enlarged view of D in Fig.
6 is an enlarged cross-sectional view of a stiffener used in the present invention.
7 is a cross-sectional view of a coring apparatus for use in the present invention.
8 is a cross-sectional view of the cutter apparatus used in the present invention.
9 is a view showing a construction process of the repairing and reinforcing method of an adhesive force and a tensile strength reinforcing type of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 is a cross-sectional view of a method for repairing and reinforcing an adhesive force and a tensile force-type facility according to the present invention, Fig. 2 is a sectional view taken along line AA of Fig. 1, Fig. 3 is a cross- 1 is an enlarged view with respect to C, FIG. 5 is an enlarged view of FIG. 2 D, FIG. 6 is an enlarged cross-sectional view of a stiffener used in the present invention, FIG. 7 is a cross- FIG. 8 is a cross-sectional view of the cutter apparatus used in the present invention, and FIG. 9 is a view showing a construction process of the adhesive force and tensile strength reinforcing facility repair / reinforcement method of the present invention.

As shown in FIGS. 1 to 4 and 6 to 7 and 9, the deteriorated portion including the crack and the damaged portion of the facility 1 is chipped and removed using a conventional breaker, The deteriorated portion in the transverse direction perpendicular to the longitudinal direction in which the tensile force is applied to the facility 1 after the step of chipping and removing the deteriorated portion of the facility 1 is applied to the external facility 1 of the chipping surface 3, (1) of the deteriorated portion chipping face (3) after the step of performing the corrugated anchoring operation of the corrugated core by rotating the core blade (19) A step of removing rust of a typical rust-iron reinforcing bar not marked on the drawing, a step of applying a rust-preventive agent to the rust-removed reinforcing bar after the rust-removing process of the rust-reinforcing bar, (1) including a reinforcing bar coated with an antirusting agent and a chipped surface (3) of a deteriorated portion is subjected to ordinary water spraying to clean the reinforcing bars and the deteriorated portion After the step of cleaning a part of the external facility 1 including the chipping face 3, a part of the external facility 1 including the reinforcing bars coated with the rust preventive agent and the deteriorated part chipping face 3 is cleaned with a brush A step of applying a conventional primer 6 containing a binder by using a roller or an injection device; and a step of applying a primer 6 containing a binder to the surface of the exterior facility 1 including the reinforcing bars coated with the rust inhibitor and the deteriorated portion chipping surface 3, A step of filling a deteriorated section restorer 7 made of an organic or inorganic material including an alkaline recovery agent and mortar on the reinforcing bars coated with the rust preventive agent and the deteriorated portion chipping surface 3 after the step of applying the primer 6 to the antifouling agent- Antirust After the step of filling the deteriorated section restorative material 7 on the chipped surface 3 of the reinforcing bar and the deteriorated part, a conventional resin 10 is injected into the corrugated core ring anchor 13, (10) is inserted into the corrugated core ring anchor (13) and a stiffener (9) is attached to the upper surface of the corrugated core ring anchor (13) 9), and a step of applying a finish coating agent (11) on the reinforcing material (9) and completing the construction after the step of applying the finish coating agent (11).

Here, the corrugated core ring anchor groove 4 formed by rotating the core blade 19 using the coring device 17 is composed of a convex portion in the center portion as a convex portion and a peripheral portion as a convex portion, (10) is injected into the corrugated core ring anchor (13), and a stiffener (9) is attached to the top of the corrugated core ring anchor (13) A method of inserting and fixing a conventional binding wire or binding hole to the resin 10 in the corrugated core ring anchor 13 and fixing the same to the upper reinforcing material 9 is also included in the scope of the present invention .

On the other hand, the geosynthetic fiber 12 is impregnated with a resin 10 to form a reinforcing material 9. The geosynthetic fiber 12 includes glass fiber, polyester felt (also called "nonwoven fabric"), aramid fiber, And the resin 10 collectively includes conventional building fibers such as a ceramic binder, a geocerar binder, a ceramic slurry, a geoceraflot, an epoxy resin, an acrylic resin, an unsaturated polyester resin and a hybrid resin. And the reinforcing material 9 collectively includes a wire type stiffener and a mesh type stiffener in addition to a sheet type stiffener including a geoseramic mat and a solidification mat, and the finish coating agent 11 is a general type including an acrylic emulsion Phosphorous coatings as a whole.

1 to 2, 5 and 8, the deteriorated portion chipping surface 3 after the step of performing the corrugated anchoring work on the external facility 1 of the deteriorated portion chipping surface 3, Further comprising the step of rotating the cutter blade (23) using a conventional cutter (21) to cut the deteriorated longitudinal grooves (5).

In this deteriorated longitudinal groove 5, a deteriorated section restorer 7 including a deteriorated longitudinal groove stiffener 15 and a conventional resin 10 is disposed in the longitudinal direction of the deteriorated longitudinal groove 5, And the deteriorated section restorative material 7 increases the contact surface of the new and old concrete by increasing the contact surface with the existing facility 1. In addition to the longitudinal cutting, Is also included in the scope of the present invention.

It should be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

1: facility 3: deteriorated part chipping face
4: corrugated core ring anchor groove 5: deteriorated part longitudinal groove
6: primer 7: deteriorated end face restorant
9: Stiffener 10: Resin
11: Finishing coating agent 12: Geo fiber
13: corrugated core ring anchor 15: deteriorated longitudinal groove stiffener
17: Core ring device 19: Core blade
21: Cutter device 23: Cutter blade

Claims (2)

In maintenance and reinforcement of facilities,
A step of chipping and removing a deteriorated portion of the facility,
A step of performing an uneven coring anchor operation on an external facility on the chipped surface of the deteriorated portion after the step of chipping and removing the deteriorated portion of the facility;
A step of removing the rust of the rusted reinforcing bar after the step of performing the corrugated anchoring work on the outer facilities of the deteriorated portion chipping surface,
Applying a rust inhibitor on the rust-free reinforcement after removing the rust from the rust reinforcing bar;
A step of applying a rust inhibitor on the rust-removed reinforcing bars, a step of rinsing a part of the external facilities including the reinforcing bars coated with the rust inhibitor and the chipping faces of the deteriorated parts,
A step of applying a primer on a surface of a portion of an external facility including a reinforcing bar coated with a rust inhibitor and a chipped surface of a deteriorated portion after a process of cleaning a part of an external facility including a reinforcing bar coated with the rust inhibitor and a deteriorated portion,
A step of applying a primer on a cleaned surface of a part of an external facility including a reinforcing bar coated with the rust preventive agent and a deteriorated part, and a step of filling a deteriorated section restorative material on the chipped surface of the deteriorated part with the rust-
A step of injecting a resin into the corrugated core ring anchor after the process of filling the deteriorated section restorative material on the chipped surface of the reinforcing bar and the deteriorated portion coated with the rust preventive agent,
A step of applying a finishing coating agent onto the reinforcing material after the step of injecting a resin into the corrugated core ring anchor and binding a reinforcing material thereon,
And a step of applying a finish coating agent on the reinforcing material and completing the construction after the step of applying the finish coating agent to the reinforcing material. The method according to claim 1,
Further comprising a step of cutting the deteriorated part longitudinal grooves on the deteriorated part chipping surface after the step of performing the corrugated anchoring work on the outer facilities of the deteriorated part chipping surface, Repair and Rehabilitation of Facility.
KR1020150047261A 2015-04-03 2015-04-03 Adherence and Tensile Strengthening Facility Maintenance / Reinforcement KR20160118719A (en)

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KR1020150047261A KR20160118719A (en) 2015-04-03 2015-04-03 Adherence and Tensile Strengthening Facility Maintenance / Reinforcement

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102105152B1 (en) * 2019-11-07 2020-05-29 조성현 Reinforcement method for stabilization and structural resistance in ramen structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102105152B1 (en) * 2019-11-07 2020-05-29 조성현 Reinforcement method for stabilization and structural resistance in ramen structure

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