CN108798063B - Reinforced concrete pole steel plate ring damage reinforcing device and reinforcing method - Google Patents
Reinforced concrete pole steel plate ring damage reinforcing device and reinforcing method Download PDFInfo
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- CN108798063B CN108798063B CN201810987102.5A CN201810987102A CN108798063B CN 108798063 B CN108798063 B CN 108798063B CN 201810987102 A CN201810987102 A CN 201810987102A CN 108798063 B CN108798063 B CN 108798063B
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- 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
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/12—Structures made of specified materials of concrete or other stone-like material, with or without internal or external reinforcements, e.g. with metal coverings, with permanent form elements
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Abstract
The invention discloses a reinforced concrete pole steel plate ring damage reinforcing device and a reinforcing method, wherein the reinforced concrete pole steel plate ring is composed of two near-semicircle steel pipes, the reinforced steel plate ring is sleeved on the surface of an original steel plate ring, the butt joint parts of the two near-semicircle steel pipes are welded and fixed, the reinforced concrete pole steel plate ring further comprises two fixing clamps, each fixing clamp comprises a clamp plate and connecting lugs, the clamp plates are near-semicircle steel plates, the upper side and the lower side of each of the two ends of the clamp plate are respectively provided with connecting lugs, the two fixing clamps are assembled on the outer side of the reinforced steel plate ring, the joint parts of the two clamp plates are welded and fixed, and the two connecting lugs which are mutually butted are connected through bolts; the reinforcing strength is compensated by arranging the fixing clamp on the outer side of the reinforcing steel plate ring, the problem that the reinforcing strength of the existing reinforcing steel plate ring is insufficient and the original state of the original steel plate ring cannot be achieved is solved, the corrosion of the reinforcing steel plate ring is slowed down, and the service life of the electric pole is prolonged.
Description
Technical Field
The invention relates to the technical field of electric pole damage reinforcement, in particular to a reinforced concrete electric pole steel plate ring damage reinforcement device and a reinforcement method.
Background
The reinforced concrete pole is a special concrete prefabricated member with a large length-diameter ratio, is generally used as a cantilever structure to bear independently during use, has the advantages of long service life, convenient construction, low manufacturing cost, low operation and maintenance cost and the like, is mainly applied to the engineering fields of power transmission and distribution lines, substations (stations) and the like, and has important significance for ensuring the safety of a power grid in a safe and reliable operation mode. For convenient production, installation, transportation, generally adopt multistage to make, when the segmentation was made, connect can adopt steel sheet circle, ring flange or other reliable modes, have generally adopted steel sheet circle welding mode in China at present. As the important stress part of the concrete pole, the steel plate ring is exposed in the natural environment for a long time, the corrosion problem is unavoidable, the corrosion problem of the steel plate ring is serious at present after the pole is in long service, and part of the steel plate ring joint has serious cracks, so that the strength loss is serious, the requirement of the pole for service is far not met, and huge hidden danger is caused to the safe operation of a power grid. The steel plate ring of the electric pole is reinforced by adopting a reasonable damage reinforcing method, so that the carrying capacity of the electric pole can be remarkably improved, and the electric pole is prevented from being damaged and destroyed.
The existing reinforcing mode is to weld the two semicircular steel plates on the original steel plate ring base by adopting a welding technology, the method is an effective pole reinforcing processing method, but the reinforcing steel plate ring can only be welded on the original steel plate ring base, the length of the reinforcing steel plate ring is inevitably shorter than that of the original steel plate ring, the strength of the reinforcing steel plate ring is lower than that of the original steel plate ring in the initial state, the concrete near part of the steel plate ring is corroded and falls off, the strength of the reinforcing steel plate ring is seriously lost, and the reinforcing steel plate ring needs to be reinforced.
Disclosure of Invention
The invention aims at the defects in the prior art, and provides the reinforced concrete pole steel plate ring damage reinforcing device, which compensates the reinforcing strength by arranging the fixing clamp on the outer side of the reinforced steel plate ring, solves the problems that the reinforcing strength of the reinforced steel plate ring is insufficient and the original state of the original steel plate ring cannot be achieved by utilizing the shrinkage stress caused by bolts and welding seams, can protect the reinforced steel plate ring and slows down the corrosion of the reinforced steel plate ring; simultaneously, the fixing clamp is clamped and fixed together with the electric poles at the two sides of the damaged part, so that the concrete at the damaged part is prevented from continuously falling off, the expansion of the damaged part is avoided, and the service life of the electric pole is prolonged.
The invention also provides a method for reinforcing the steel plate ring of the reinforced concrete pole, which is simple and easy to operate, considers the subsequent re-maintenance, solves the problem of re-corrosion of the original reinforcing method after reinforcing by the method, increases the service life, prevents the re-maintenance and saves the cost of long-term maintenance.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a reinforced concrete pole steel sheet circle damage reinforcing apparatus, includes the reinforcement steel sheet circle, and the reinforcement steel sheet circle comprises two nearly semicircle steel pipes, and the reinforcement steel sheet snare is at the surface of former steel sheet circle, and two nearly semicircle steel pipe butt joint department welded fastening still include fixed clamp, fixed clamp's quantity is two, and fixed clamp includes clamp board, engaging lug, the clamp board is nearly semicircle steel sheet, and the upper and lower both sides at clamp board both ends all are equipped with the engaging lug, and two fixed clamp assemblies in the outside of reinforcement steel sheet circle, and welded fastening is passed through in the junction of two clamp boards, passes through bolted connection between two engaging lugs of mutual butt joint.
Preferably, the outside of fixed clamp is equipped with the guard plate, the guard plate includes guard plate, lower guard plate, the quantity of going up the guard plate is two, goes up the guard plate and is nearly semicircular steel sheet, goes up the downside of guard plate inner wall and is equipped with the cooperation groove, go up the middle part of cooperation groove and be equipped with lower extreme open-ended slide opening, go up the cooperation groove and the cooperation of the first half of clamp board outer wall, go up the upside and the pole outer wall cooperation of guard plate inner wall, slide opening and the engaging lug cooperation of locating the upside, welded fastening between two last guard plates, lower guard plate is nearly semicircular steel sheet, and the upside of lower guard plate inner wall is equipped with down the cooperation groove, is equipped with the mounting hole on the cooperation groove down, and the upside of lower guard plate outer wall is equipped with the hangers cover, hangers cover and mounting hole intercommunication, lower cooperation groove and the cooperation of the second half of clamp board outer wall, the hangers cover cooperates with the engaging lug of locating the downside, goes up the lower extreme of guard plate and the upper end of lower guard plate through welded fastening.
Preferably, the bolts connecting the two connecting lugs are countersunk bolts.
Preferably, the width dimension of the clamping plate is larger than the width dimension of the reinforced steel plate ring.
Preferably, the upper protection plate is welded and fixed with the connecting lugs arranged on the upper side.
Preferably, the clamp plate and the protection plate are both manufactured by processing a seamless steel pipe Q345B along the central plane, and the thickness of the seamless steel pipe is 6mm-12mm.
The method for reinforcing the damage of the steel plate ring of the reinforced concrete pole comprises the following steps:
1): cleaning concrete at the damaged part of the cement pole, installing a reinforcing steel plate ring and welding and fixing;
2): sleeving the two fixing hoops on the outer side of the reinforced steel plate ring, tightening and fixing the connecting lugs of the butt joint of the two fixing hoops through bolts, and connecting the butt joint parts of the hoops by welding;
3): the lower protection plates are installed, the hanging ear sleeves are sleeved on the connecting lugs arranged on the lower side through the installation holes, the lower matching grooves are tightly attached to the lower half part of the outer wall of the clamp plate, welding fixation is carried out on the butt joint parts of the two lower protection plates, and the lower protection plates are respectively clamped and fixed with the fixed clamp and the electric pole;
4): the upper protection plate is mounted, the upper protection plate is attached to the outer wall of the electric pole and is mounted from top to bottom, a sliding port is matched with a connecting lug arranged on the upper side during mounting, the upper protection plate moves downwards along the connecting lug arranged on the upper side, the lower end of the upper protection plate is in butt joint with the upper end of the lower protection plate, an upper matching groove is tightly attached to the upper half part of the outer wall of the clamp plate, and welding fixation is carried out on the butt joint parts of the two upper protection plates, so that the upper protection plate is respectively clamped and fixed with the fixed clamp and the electric pole;
5): and welding and fixing the lower end of the upper protection plate and the upper end of the lower protection plate.
Preferably, the reinforcing steel plate ring in the step 2) is located in the middle of the fixing clamp, and the upper side and the lower side of the inner wall of the clamp plate are tightly matched with the outer wall of the electric pole.
Preferably, the welding in the steps 1) to 5) adopts an E5003 phi 3.2mm welding rod, and the welding current is 110-130A.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the fixing clamp is arranged on the outer side of the reinforced steel plate ring to compensate the reinforcing strength, the problem that the original steel plate ring cannot be in an initial state due to insufficient reinforcing strength of the conventional reinforced steel plate ring is solved by utilizing the shrinkage stress caused by bolts and welding seams, and the reinforced steel plate ring can be protected, so that the corrosion of the reinforced steel plate ring is slowed down; simultaneously, the fixing clamp is clamped and fixed together with the electric poles at the two sides of the damaged part, so that the concrete at the damaged part is prevented from continuously falling off, the expansion of the damaged part is avoided, and the service life of the electric pole is prolonged.
2. According to the invention, the protection plate is arranged on the outer side of the fixing clamp, so that the electric pole is protected layer by layer, the strength requirement is met, the protection plate can play a role in clamping and fixing again, more importantly, the upper side and the lower side of the damaged part of the electric pole are protected, the expansion of corrosion is avoided, the concrete of the electric pole body is prevented from falling off and corroding again, and meanwhile, the reinforcing steel plate ring and the fixing clamp can be protected, the corrosion is slowed down, and the service life of the electric pole is improved.
3. The fixing clamp and the protection plate are simple to manufacture, and the processing cost is low; when installing, at first install down the guard plate, through the hangers cover, realize the guard plate and fix the tight fit of clamp, prevent to go down the rotation and the upper and lower slip of guard plate, downside engaging lug and hangers cover cooperation can support fixedly to lower guard plate, have the guard action to the engaging lug moreover, then install the guard plate, through setting up the smooth mouth, can adjust the upper and lower position of going up the guard plate, realize that the upper guard plate can with the butt joint of lower guard plate, the engaging lug card of upside is in smooth mouth simultaneously, can prevent the rotation of going up the guard plate, ensure to connect complex fastness.
4. The connecting lugs arranged on the upper side not only play a role of connecting the clamp plate, but also can support and limit the upper protection plate, prevent the upper protection plate from rotating, and the connecting lugs arranged on the lower side can play a role of connecting, supporting, limiting and fixing the lower protection plate, prevent the lower protection plate from rotating, and simultaneously can support the protection plate through the connecting lugs during construction and assembly, thereby greatly saving manpower and improving convenience during assembly and connection.
5. The reinforcing method is simple and feasible, and the subsequent re-maintenance is considered, so that the problem of re-corrosion of the original reinforcing method is solved, the service life is prolonged, the re-maintenance is prevented, and the cost of long-term maintenance is saved.
Drawings
FIG. 1 is a schematic view of a prior art reinforcement structure;
FIG. 2 is a schematic diagram of the whole structure of the present invention;
FIG. 3 is a schematic diagram of the whole structure of the present invention;
FIG. 4 is a schematic view of the structure with the shield plate removed;
FIG. 5 is a schematic structural view of the upper shield;
fig. 6 is a schematic structural view of the lower shield.
In the figure: 1-an upper protection plate; 101-sliding port; 102-upper mating groove; 2-fixing a clamp; 201-connecting lugs; 202-a clamp plate; 3-a lower protection plate; 301-hanging ear loops; 302-a lower mating groove; 303-mounting holes; 4-reinforcing steel plate rings.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in FIG. 1, a reinforced concrete pole steel plate ring damage reinforcing apparatus, including reinforcement steel plate ring 4, reinforcement steel plate ring 4 comprises two nearly semicircle steel pipes, and reinforcement steel plate ring 4 cover is at the surface of former steel plate ring, and two nearly semicircle steel pipes butt joint department welded fastening, as shown in FIG. 4, still include fixed clamp 2, the quantity of fixed clamp 2 is two, and fixed clamp 2 includes clamp plate 202, engaging lug 201, clamp plate 202 is nearly semicircle steel plate, and the upper and lower both sides at clamp plate 202 both ends all are equipped with engaging lug 201, and two fixed clamp 2 assembly is in the outside of reinforcement steel plate ring 4, and the junction of two clamp plates 202 passes through welded fastening, passes through bolted connection between two engaging lugs 201 of mutual butt joint, and the bolt between two engaging lugs 201 of connection is countersunk bolt.
As shown in fig. 2 and 3, the protection plates are arranged on the outer side of the fixing clamp 2, the protection plates comprise an upper protection plate 1 and a lower protection plate 3, the number of the upper protection plates 1 is two, as shown in fig. 5, the upper protection plate 1 is a nearly semicircular steel plate, an upper matching groove 102 is arranged on the lower side of the inner wall of the upper protection plate 1, a sliding opening 101 with an open lower end is arranged in the middle of the upper matching groove 102, the upper matching groove 102 is matched with the upper half part of the outer wall of the clamp plate 202, the upper side of the inner wall of the upper protection plate 1 is matched with the outer wall of an electric pole, the sliding opening 101 is matched with a connecting lug 201 arranged on the upper side and is welded and fixed, as shown in fig. 6, the lower protection plate 3 is a nearly semicircular steel plate, a lower matching groove 302 is arranged on the upper side of the inner wall of the lower protection plate 3, a mounting hole 303 is arranged on the lower matching groove 302, a hanging lug 301 is communicated with the mounting hole 303, the lower matching groove 302 is matched with the lower half part of the outer wall of the clamp plate 202, and the hanging lug 301 is matched with the upper end 201 arranged on the upper side of the upper protection plate 1, and the lower end of the upper protection plate 201 is welded and fixed.
The width dimension of the clamp plate 202 is larger than that of the reinforcing steel plate ring 4, the reinforcing steel plate ring 4 is positioned in the middle of the fixed clamp 2, and the upper side and the lower side of the inner wall of the clamp plate 202 are tightly matched with the outer wall of the electric pole.
The clamp plate 202 and the protection plate are both made of seamless steel pipes of Q345B along the central plane, and the thickness of the seamless steel pipes is 6mm-12mm, and the thickness of the seamless steel pipes is 8mm in the embodiment.
As shown in fig. 1-6, a method for reinforcing damage to a steel plate ring of a reinforced concrete pole comprises the following steps:
1): cleaning concrete and corroded original steel plate rings at the damaged part of a cement pole, cleaning loose concrete and embroidered iron, installing a reinforcing steel plate ring 4, processing a butt joint surface of the reinforcing steel plate ring 4 into a V-shaped groove, and welding and fixing, wherein the step is the prior art, and the method is adopted for reinforcing the current pole, so that other matters and processes are not elaborated;
2): the two fixing clips 2 are sleeved on the outer side of the reinforcing steel plate ring 4, the reinforcing steel plate ring 4 is positioned in the middle of the fixing clips 2, the upper side and the lower side of the inner wall of the clip plate 202 are tightly matched with the outer wall of the electric pole, the connecting lugs 201 of the two fixing clips 2 are tightly screwed and fixed through bolts, and the butt joint part of the clip plate 202 is fixed through welding;
3): the lower protection plates 3 are installed, the hanging ear sleeves 301 are sleeved on the connecting lugs 201 arranged on the lower side through the installation holes 303, the lower matching grooves 302 are tightly attached to the lower half part of the outer wall of the clamp plate 202, the butt joint parts of the two lower protection plates 3 are welded and fixed, and the lower protection plates 3 are respectively clamped and fixed with the fixed clamp 2 and the electric pole;
4): the upper protection plate 1 is installed, the upper protection plate 1 is attached to the outer wall of the electric pole and is installed from top to bottom, the sliding opening 101 is matched with the connecting lug 201 arranged on the upper side during installation, the upper protection plate 1 moves downwards along the connecting lug 201 arranged on the upper side, the lower end of the upper protection plate 1 is in butt joint with the upper end of the lower protection plate 3, the upper matching groove 102 is tightly attached to the upper half part of the outer wall of the clamp plate 202, and welding fixation is carried out on the butt joint part of the two upper protection plates 1, so that the upper protection plates 1 are respectively clamped and fixed with the fixed clamp 2 and the electric pole;
5): and the lower end of the upper protection plate 1 and the upper end of the lower protection plate 3 are welded and fixed.
In the step 2), the reinforcing steel plate ring 4 is located at the middle part of the fixing clamp 2, and the upper side and the lower side of the inner wall of the clamp plate 202 are tightly matched with the outer wall of the electric pole.
The welding in the steps 1) to 5) adopts E5003 and phi 3.2mm welding rods, and the welding current is 110-130A.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. The utility model provides a reinforced concrete pole steel sheet circle damage reinforcing apparatus, includes the reinforcement steel sheet circle, and the reinforcement steel sheet circle comprises two nearly semicircle steel pipes, and the reinforcement steel sheet snare is at the surface of former steel sheet circle, and two nearly semicircle steel pipe butt joint department welded fastening, its characterized in that: still include fixed clamp, fixed clamp's quantity is two, and fixed clamp includes clamp board, engaging lug, the clamp board is nearly semicircle steel sheet, the upper and lower both sides at clamp board both ends all are equipped with the engaging lug, and two fixed clamp assemblies are in the outside of reinforcement steel sheet circle, and the junction of two clamp boards passes through welded fastening, through bolted connection between two engaging lugs of butting each other, the outside of fixed clamp is equipped with the guard plate, the guard plate includes guard plate, lower guard plate, the quantity of going up the guard plate is two, goes up the guard plate and is nearly semicircle steel sheet, and the downside of going up the guard plate inner wall is equipped with the cooperation groove, the middle part of going up the cooperation groove is equipped with lower extreme open-ended slide gate, go up the cooperation groove and the cooperation of the upper half of clamp board outer wall, the upside and the outer wall cooperation of pole, the slide gate cooperates with the engaging lug that locates the upside, welded fastening between two last guard plates, the lower guard plate is nearly semicircle steel sheet, and the upside of lower guard plate inner wall is equipped with the lower cooperation groove, is equipped with the mounting hole on the lower cooperation groove, and is equipped with the mounting hole, the bottom plate and the bottom plate is equipped with the seam-welded connection between the outer wall of the corresponding guard plate and the bottom plate, the bottom plate is equipped with the seam-welded connection between the corresponding to be equipped with the bottom plate and the outer wall of the corresponding flange through the corresponding flange, the flange of the end of a flange, and the flange-flange is equipped with the flange-16.
2. A reinforced concrete pole steel plate ring damage reinforcing apparatus as recited in claim 1, wherein: the bolt connecting the two connecting lugs is a countersunk bolt.
3. A reinforced concrete pole steel plate ring damage reinforcing apparatus as recited in claim 2, wherein: the width dimension of the clamp plate is larger than that of the reinforced steel plate ring.
4. A reinforcement method using a reinforced concrete pole steel plate ring damage reinforcement device as recited in claim 3, characterized in that: the method comprises the following steps:
1): cleaning concrete at the damaged part of the cement pole, installing a reinforcing steel plate ring and welding and fixing;
2): sleeving the two fixing hoops on the outer side of the reinforced steel plate ring, tightening and fixing the connecting lugs of the butt joint of the two fixing hoops through bolts, and connecting the butt joint parts of the hoops by welding;
3): the lower protection plates are installed, the hanging ear sleeves are sleeved on the connecting lugs arranged on the lower side through the installation holes, the lower matching grooves are tightly attached to the lower half part of the outer wall of the clamp plate, welding fixation is carried out on the butt joint parts of the two lower protection plates, and the lower protection plates are respectively clamped and fixed with the fixed clamp and the electric pole;
4): the upper protection plate is mounted, the upper protection plate is attached to the outer wall of the electric pole and is mounted from top to bottom, a sliding port is matched with a connecting lug arranged on the upper side during mounting, the upper protection plate moves downwards along the connecting lug arranged on the upper side, the lower end of the upper protection plate is in butt joint with the upper end of the lower protection plate, an upper matching groove is tightly attached to the upper half part of the outer wall of the clamp plate, and welding fixation is carried out on the butt joint parts of the two upper protection plates, so that the upper protection plate is respectively clamped and fixed with the fixed clamp and the electric pole;
5): and welding and fixing the lower end of the upper protection plate and the upper end of the lower protection plate.
5. The reinforcing method of the reinforced concrete pole steel plate ring damage reinforcing device as claimed in claim 4, wherein: the reinforcing steel plate ring in the step 2) is positioned in the middle of the fixed clamp, and the upper side and the lower side of the inner wall of the clamp plate are tightly matched with the outer wall of the electric pole.
6. The reinforcing method of the reinforced concrete pole steel plate ring damage reinforcing device as claimed in claim 4, wherein: the welding in the steps 1) to 5) adopts E5003 and phi 3.2mm welding rods, and the welding current is 110-130A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810987102.5A CN108798063B (en) | 2018-08-28 | 2018-08-28 | Reinforced concrete pole steel plate ring damage reinforcing device and reinforcing method |
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| CN201810987102.5A CN108798063B (en) | 2018-08-28 | 2018-08-28 | Reinforced concrete pole steel plate ring damage reinforcing device and reinforcing method |
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| CN108798063A CN108798063A (en) | 2018-11-13 |
| CN108798063B true CN108798063B (en) | 2023-06-30 |
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| CN113550616A (en) * | 2020-04-26 | 2021-10-26 | 山西同新复材技术有限公司 | Reinforcing rod based on hoop connection and reinforcing method thereof |
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| JP6798757B2 (en) * | 2016-10-27 | 2020-12-09 | 株式会社奥村組 | Reinforcement structure of existing columns |
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| WO2016090429A1 (en) * | 2014-12-09 | 2016-06-16 | Logsys Power Services Pty Ltd | Planted pole reinforcement methods |
| CN107762239A (en) * | 2017-11-07 | 2018-03-06 | 广东永基电力器材厂有限公司 | A kind of limit value prestressed concrete electric pole |
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