CN109624066A - A kind of concrete component water rushes dabbing technique - Google Patents
A kind of concrete component water rushes dabbing technique Download PDFInfo
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- CN109624066A CN109624066A CN201811549615.4A CN201811549615A CN109624066A CN 109624066 A CN109624066 A CN 109624066A CN 201811549615 A CN201811549615 A CN 201811549615A CN 109624066 A CN109624066 A CN 109624066A
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- concrete
- template
- dabbing
- ash
- agent
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/04—Producing shaped prefabricated articles from the material by tamping or ramming
- B28B1/045—Producing shaped prefabricated articles from the material by tamping or ramming combined with vibrating or jolting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
- B28B11/0872—Non-mechanical reshaping of the surface, e.g. by burning, acids, radiation energy, air flow, etc.
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/38—Treating surfaces of moulds, cores, or mandrels to prevent sticking
Abstract
The present invention is that a kind of concrete component water rushes dabbing technique, includes the following steps: S1: the processing of bottom tire；S2: brushing interleaving agent；S3: cleaning template simultaneously checks；S4: the undisguised material agent of stirring；S5: the undisguised material agent of template surface spraying；S6: branching standing template；S7: casting concrete；S8: form removal；S9: concrete surface is checked；S10: giant rinses；S11: result is washed away in examination；S12: maintenance.The present invention uses high-pressure water hair technique, can effectively wash away the concrete laitance coating of beam slab side, aggregate is uniformly exposed, and new-old concrete can be effectively ensured coheres fastness；Water rushes hair compared to traditional dabbing, will not destroy the corner of component, be conducive to the protection of finished product, improve construction quality, and technological operation is simple, and labor intensity is little, can save the artificial and time, substantially increase construction efficiency, saved cost；Noise and dust will not be generated in work progress, environmental protection.
Description
Technical field
The present invention relates to dabbing technology fields more particularly to a kind of concrete component water to rush dabbing technique.
Background technique
Precast beam two ends have protruding bar, and Cast-in-situ Beam, plate splice, therefore beam slab both ends head surface needs to dig
Hair, traditional dabbing method are manually to use pneumatic pick dabbing, and construction intensity is big, and time-consuming and laborious and dabbing is of low quality, pneumatic pick chisel
Noise is larger when hair, and dust is more；The overhanging muscle portion dabbing of beam end, plate is not in place, and part slurry epidermis is not cut completely, depth
Not enough, it is not completely exposed stone faying face, in subsequent cast-in-situ beam slab connector, influences new-old concrete cohesiveness.
Summary of the invention
Present invention seek to address that the deficiencies in the prior art, and a kind of concrete component water is provided and rushes dabbing technique.
To achieve the above object, using following technical scheme: a kind of concrete component water rushes dabbing technique to the present invention, including
Following steps:
S1: bottom tire processing
Bottom tire is checked, it is ensured that bottom tire surface keeps smooth, bright and clean, and sideline is straight, no pit, bottom tire two sides rubber
Item is intact, and without slag inclusion between rubber strip and bottom tire, the iron sheet surface of bottom tire surface two sides should ensure that the fitting of smooth and flitch is tight,
Ensure iron sheet without heaving, without lime-ash under iron sheet and flitch, when having lime-ash, part sedimentation, cracking, rubber strip damage, iron on the tire of bottom
Skin lesion is bad, when pressing from both sides grey phenomenon, and bottom tire is placed under repair or replaced；
S2: brushing interleaving agent
Uniform brushing interleaving agent on bottom tire after treatment, interleaving agent must not be blocked up, and oil accumulation on the tire of bottom is avoided to occur, in order to avoid
Greasy dirt is caused to framework of steel reinforcement；
S3: cleaning template simultaneously checks
Template surface and mortar suitable for reading, lime-ash, rusty stain and dirt are removed with angle grinder, checks template, limiting card and plug
The use state of plate guarantees normal use, must not use if bulkhead deformation, and need to repair rear can be used；
S4: the undisguised material agent of stirring
The pH of undisguised material agent is 6.9-7.1, and the undisguised solid content for expecting agent is 48-50%, is uniformly stirred undisguised material agent
It mixes；
S5: the undisguised material agent of template surface spraying
The undisguised material agent stirred evenly is uniformly sprayed to template to the side for being adjacent to concrete using atomizer, in coagulation
Without spraying in template of the native avris less than 2.5cm, prevent concrete corner impaired, the undisguised material agent of spraying must not be in template
At under plume, spraying carries out an acceptance inspection to spraying situation after completing on surface, main to check coating thickness and spraying uniformity coefficient, together
When check the mobility for having sprayed undisguised material agent；
S6: branching standing template
S7: casting concrete
Ash bucket is dragged using trailer, small arc shaped hangs ash bucket and enters mould casting concrete, when lower ash cannot concentrate it is impact steel bar reinforced, under
Grey height is not more than 2m, is layered lower ash and every thickness degree is not more than 50cm, vibrate 4-6cm to be overlapped between adjacent layer, such as finds
Framework of steel reinforcement sinks or rising phenomenon adjusts in time, it is ensured that the thickness of protective layer is poured in Concrete, it is necessary to have full-time people
Member keeps a close eye on whether Capsules have phenomena such as gas leakage, burst, if there is exception, adopts remedial measures, forbids non-full-time personnel
Tonifying Qi is given to capsule, template top surface must not arbitrarily be removed to bolt is worn, if influencing plastering, the concrete vibratings such as need finish plastering
When remove again, concrete vibrating sequence is first outside and then inside since at near-lying mode plate, and mobile spacing is not more than 25cm, avoids collision, and shakes
Smashing should be inserted perpendicularly into, and insert pull out slowly fastly, twitch up and down, guarantee uniform jolt ramming, receive stick location-appropriate and reduce spacing of vibrating, be conducive to mix
Solidifying air in soil steeps outlet, and vibrating time prevents over vibration or leakage between 15-20s；
Component top surface mortar thickness check at any time after vibrating such as finds that excessive mortar floats, it is necessary to desurfacing mortar, more
Fresh concrete is changed, surface layer mortar is avoided to generate crack, back portion uses secondary vibration to prevent pine top and concrete dry draw
Seam, sucks moisture content with water-absorbent material if any excreting water phenomenon, and concreting should be carried out continuously, and such as interrupts for some reason, should be in time to having
Pass personnel reflect and deal carefully with that the permission intermittent time of ordinary portland cement is as shown in table 1:
The permission intermittent time of ordinary portland cement when 1 concreting of table
After concreting, if meeting strong wind weather or unexpected rainfall, it need to arrange personnel after plastering with two ropes made of hemp
It ties up on clamp suitable for reading, is covered with blue silver-colored cloth in parallel, to prevent excessively leading to cracking or because of drop because of the dehydration of strong wind component surface
Rain makes component surface leak stone sand leakage, is turned over a finished item again after weather takes a turn for the better, and forbids using the grey casting concrete of landing, work progress
It is middle to be cleaned out in time by template, to the lime-ash worn on bolt, and clean out landing ash after constructing；
S8: form removal
After concrete reaches drying time, dismantling concrete needs the template at dabbing position；
S9: concrete surface is checked
After form removable, the surface of concrete is checked, the surface strength of concrete cannot be less than 8.5MPa；
S10: giant rinses
It rushes hair surface to the concrete after inspection using giant to wash away, giant scouring head is apart from concrete
Wash surface is 1-2m, and the water that giant sprays must not be vertical with concrete surface, flushing time 10-15min/m2；
S11: result is washed away in examination
Concrete rushes hair surface communications centre and cleans down, if surface erosion is not clean, needs to carry out manually to mend chisel, there is protruding bar
Beam-ends head, plate side, dabbing range is to reject the magma of the concrete surface in edge 1.5cm, exposes fresh coagulation
Native face, top surface of the beam have the part of protruding bar, and dabbing range is by the original of the concrete surface at protruding bar and its within the scope of 5cm
Slurry is rejected, and fresh concrete face is exposed；
S12: maintenance.
Particularly, the mixing time in the step S4 is 3-10min.
Particularly, the coating thickness that agent spraying is undisguisedly expected in the step S5 is 0.3-0.6mm.
Particularly, the drying time in the step S8 determines according to temperature, when one day temperature on average is at 30 DEG C or more
When, drying time 7-9h, every 5 DEG C of the decline of temperature on average, then drying time needs to increase 2h, and drying time must not exceed 20h.
Particularly, the hydraulic pressure that washes away of the step S10 high-pressure gun is 15-20MPa.
The beneficial effects of the present invention are: the present invention uses high-pressure water hair technique, it can be effectively by the coagulation of beam slab side
Soil paste skin washes away, and aggregate is uniformly exposed, and new-old concrete can be effectively ensured coheres fastness；Water rushes hair compared to tradition
Dabbing will not destroy the corner of component, be conducive to the protection of finished product, improve construction quality, and technological operation is simple, labor intensity
Less, the artificial and time can be saved, construction efficiency is substantially increased, has saved cost；Noise will not be generated in work progress
And dust, environmental protection.
Specific embodiment
The present invention is further explained in the light of specific embodiments: a kind of concrete component water rushes dabbing technique, wraps
Include following steps:
S1: bottom tire processing
Bottom tire is checked, it is ensured that bottom tire surface keeps smooth, bright and clean, and sideline is straight, no pit, bottom tire two sides rubber
Item is intact, and without slag inclusion between rubber strip and bottom tire, the iron sheet surface of bottom tire surface two sides should ensure that the fitting of smooth and flitch is tight,
Ensure iron sheet without heaving, without lime-ash under iron sheet and flitch, when having lime-ash, part sedimentation, cracking, rubber strip damage, iron on the tire of bottom
Skin lesion is bad, when pressing from both sides grey phenomenon, and bottom tire is placed under repair or replaced；
S2: brushing interleaving agent
Uniform brushing interleaving agent on bottom tire after treatment, interleaving agent must not be blocked up, and oil accumulation on the tire of bottom is avoided to occur, in order to avoid
Greasy dirt is caused to framework of steel reinforcement；
S3: cleaning template simultaneously checks
Template surface and mortar suitable for reading, lime-ash, rusty stain and dirt are removed with angle grinder, checks template, limiting card and plug
The use state of plate guarantees normal use, must not use if bulkhead deformation, and need to repair rear can be used；
S4: the undisguised material agent of stirring
The pH of undisguised material agent is 6.9-7.1, and the undisguised solid content for expecting agent is 48-50%, is uniformly stirred undisguised material agent
It mixes；
S5: the undisguised material agent of template surface spraying
The undisguised material agent stirred evenly is uniformly sprayed to template to the side for being adjacent to concrete using atomizer, in coagulation
Without spraying in template of the native avris less than 2.5cm, prevent concrete corner impaired, the undisguised material agent of spraying must not be in template
At under plume, spraying carries out an acceptance inspection to spraying situation after completing on surface, main to check coating thickness and spraying uniformity coefficient, together
When check the mobility for having sprayed undisguised material agent；
S6: branching standing template
S7: casting concrete
Ash bucket is dragged using trailer, small arc shaped hangs ash bucket and enters mould casting concrete, when lower ash cannot concentrate it is impact steel bar reinforced, under
Grey height is not more than 2m, is layered lower ash and every thickness degree is not more than 50cm, vibrate 4-6cm to be overlapped between adjacent layer, such as finds
Framework of steel reinforcement sinks or rising phenomenon adjusts in time, it is ensured that the thickness of protective layer is poured in Concrete, it is necessary to have full-time people
Member keeps a close eye on whether Capsules have phenomena such as gas leakage, burst, if there is exception, adopts remedial measures, forbids non-full-time personnel
Tonifying Qi is given to capsule, template top surface must not arbitrarily be removed to bolt is worn, if influencing plastering, the concrete vibratings such as need finish plastering
When remove again, concrete vibrating sequence is first outside and then inside since at near-lying mode plate, and mobile spacing is not more than 25cm, avoids collision, and shakes
Smashing should be inserted perpendicularly into, and insert pull out slowly fastly, twitch up and down, guarantee uniform jolt ramming, receive stick location-appropriate and reduce spacing of vibrating, be conducive to mix
Solidifying air in soil steeps outlet, and vibrating time prevents over vibration or leakage between 15-20s；
Component top surface mortar thickness check at any time after vibrating such as finds that excessive mortar floats, it is necessary to desurfacing mortar, more
Fresh concrete is changed, surface layer mortar is avoided to generate crack, back portion uses secondary vibration to prevent pine top and concrete dry draw
Seam, sucks moisture content with water-absorbent material if any excreting water phenomenon, observes concrete slump situation at any time, such as finds that concrete has exception
Situation should reflect to testing crew or technical staff in time, must not contact mixing building tune ash privately, concreting should continuously into
Row such as interrupts for some reason, should reflect and deal carefully with to the relevant personnel in time, the permission intermittent time of ordinary portland cement is as shown in table 1:
The permission intermittent time of ordinary portland cement when 1 concreting of table
| Concrete molding temperature (DEG C) | Allow intermittent time (h) |
| 30-35 | 1.5 |
| 20-29 | 2.0 |
| 10-19 | 2.5 |
| 5-9 | 3.0 |
After concreting, if meeting strong wind weather or unexpected rainfall, it need to arrange personnel after plastering with two ropes made of hemp
It ties up on clamp suitable for reading, is covered with blue silver-colored cloth in parallel, to prevent excessively leading to cracking or because of drop because of the dehydration of strong wind component surface
Rain makes component surface leak stone sand leakage, is turned over a finished item again after weather takes a turn for the better, and forbids using the grey casting concrete of landing, work progress
It is middle to be cleaned out in time by template, to the lime-ash worn on bolt, and clean out landing ash after constructing；
S8: form removal
After concrete reaches drying time, dismantling concrete needs the template at dabbing position；
S9: concrete surface is checked
After form removable, the surface of concrete is checked, the surface strength of concrete cannot be less than 8.5MPa；
S10: giant rinses
It rushes hair surface to the concrete after inspection using giant to wash away, giant scouring head is apart from concrete
Wash surface is 1-2m, and the water that giant sprays must not be vertical with concrete surface, flushing time 10-15min/m2；
S11: result is washed away in examination
Concrete rushes hair surface communications centre and cleans down, if surface erosion is not clean, needs to carry out manually to mend chisel, there is protruding bar
Beam-ends head, plate side, dabbing range is to reject the magma of the concrete surface in edge 1.5cm, exposes fresh coagulation
Native face, top surface of the beam have the part of protruding bar, and dabbing range is by the original of the concrete surface at protruding bar and its within the scope of 5cm
Slurry is rejected, and fresh concrete face is exposed；
S12: maintenance.
Particularly, the mixing time in the step S4 is 3-10min.
Particularly, the coating thickness that agent spraying is undisguisedly expected in the step S5 is 0.3-0.6mm.
Particularly, the drying time in the step S8 determines according to temperature, when one day temperature on average is at 30 DEG C or more
When, drying time 7-9h, every 5 DEG C of the decline of temperature on average, then drying time needs to increase 2h, and drying time must not exceed 20h.
Particularly, the hydraulic pressure that washes away of the step S10 high-pressure gun is 15-20MPa.
Embodiment one
A kind of concrete component water rushes dabbing technique, includes the following steps:
S1: bottom tire processing
Bottom tire is checked, it is ensured that bottom tire surface keeps smooth, bright and clean, and sideline is straight, no pit, bottom tire two sides rubber
Item is intact, and without slag inclusion between rubber strip and bottom tire, the iron sheet surface of bottom tire surface two sides should ensure that the fitting of smooth and flitch is tight,
Ensure iron sheet without heaving, without lime-ash under iron sheet and flitch, when having lime-ash, part sedimentation, cracking, rubber strip damage, iron on the tire of bottom
Skin lesion is bad, when pressing from both sides grey phenomenon, and bottom tire is placed under repair or replaced；
S2: brushing interleaving agent
Uniform brushing interleaving agent on bottom tire after treatment, interleaving agent must not be blocked up, and oil accumulation on the tire of bottom is avoided to occur, in order to avoid
Greasy dirt is caused to framework of steel reinforcement；
S3: cleaning template simultaneously checks
Template surface and mortar suitable for reading, lime-ash, rusty stain and dirt are removed with angle grinder, checks template, limiting card and plug
The use state of plate guarantees normal use, must not use if bulkhead deformation, and need to repair rear can be used；
S4: the undisguised material agent of stirring
The pH of undisguised material agent is 7, and the undisguised solid content for expecting agent is 49%, carries out uniform stirring to undisguised material agent；
S5: the undisguised material agent of template surface spraying
The undisguised material agent stirred evenly is uniformly sprayed to template to the side for being adjacent to concrete using atomizer, in coagulation
Without spraying in template of the native avris less than 2.5cm, prevent concrete corner impaired, the undisguised material agent of spraying must not be in template
At under plume, spraying carries out an acceptance inspection to spraying situation after completing on surface, main to check coating thickness and spraying uniformity coefficient, together
When check the mobility for having sprayed undisguised material agent；
S6: branching standing template
S7: casting concrete
Ash bucket is dragged using trailer, small arc shaped hangs ash bucket and enters mould casting concrete, when lower ash cannot concentrate it is impact steel bar reinforced, under
Grey height is not more than 2m, is layered lower ash and every thickness degree is not more than 50cm, vibrate 5cm to be overlapped between adjacent layer, such as finds steel
Tendons skeleton is sunk or rising phenomenon adjusts in time, it is ensured that the thickness of protective layer is poured in Concrete, it is necessary to have full-time staff
It keeps a close eye on whether Capsules have phenomena such as gas leakage, burst, if there is exception, adopts remedial measures, forbid non-full-time personnel couple
Capsule gives tonifying Qi, and template top surface must not arbitrarily be removed to bolt is worn, if influencing plastering, when the concrete vibratings such as need finish plastering
It removes again, concrete vibrating sequence is first outside and then inside since at near-lying mode plate, and mobile spacing is not more than 25cm, avoids collision, vibrates
It should be inserted perpendicularly into, insert pull out slowly fastly, twitch up and down, guarantee uniform jolt ramming, receive stick location-appropriate and reduce spacing of vibrating, be conducive to coagulation
Air in soil steeps outlet, and vibrating time prevents over vibration or leakage between 18s；
Component top surface mortar thickness check at any time after vibrating such as finds that excessive mortar floats, it is necessary to desurfacing mortar, more
Fresh concrete is changed, surface layer mortar is avoided to generate crack, back portion uses secondary vibration to prevent pine top and concrete dry draw
Seam, sucks moisture content with water-absorbent material if any excreting water phenomenon, observes concrete slump situation at any time, such as finds that concrete has exception
Situation should reflect to testing crew or technical staff in time, must not contact mixing building tune ash privately, concreting should continuously into
Row such as interrupts for some reason, should reflect and deal carefully with to the relevant personnel in time；
After concreting, if meeting strong wind weather or unexpected rainfall, it need to arrange personnel after plastering with two ropes made of hemp
It ties up on clamp suitable for reading, is covered with blue silver-colored cloth in parallel, to prevent excessively leading to cracking or because of drop because of the dehydration of strong wind component surface
Rain makes component surface leak stone sand leakage, is turned over a finished item again after weather takes a turn for the better, and forbids using the grey casting concrete of landing, work progress
It is middle to be cleaned out in time by template, to the lime-ash worn on bolt, and clean out landing ash after constructing；
S8: form removal
After concrete reaches drying time, dismantling concrete needs the template at dabbing position；
S9: concrete surface is checked
After form removable, the surface of concrete is checked, the surface strength of concrete cannot be less than 8.5MPa；
S10: giant rinses
It rushes hair surface to the concrete after inspection using giant to wash away, giant scouring head is apart from concrete
Wash surface is 1.5m, and the water that giant sprays must not be vertical with concrete surface, flushing time 12min/m2；
S11: result is washed away in examination
Concrete rushes hair surface communications centre and cleans down, if surface erosion is not clean, needs to carry out manually to mend chisel, there is protruding bar
Beam-ends head, plate side, dabbing range is to reject the magma of the concrete surface in edge 1.5cm, exposes fresh coagulation
Native face, top surface of the beam have the part of protruding bar, and dabbing range is by the original of the concrete surface at protruding bar and its within the scope of 5cm
Slurry is rejected, and fresh concrete face is exposed；
S12: maintenance.
Particularly, the mixing time in the step S4 is 5min.
Particularly, the coating thickness that agent spraying is undisguisedly expected in the step S5 is 0.5mm.
Particularly, the drying time in the step S8 determines according to temperature, when one day temperature on average is at 30 DEG C or more
When, drying time 8h, every 5 DEG C of the decline of temperature on average, then drying time needs to increase 2h, and drying time must not exceed 20h.
Particularly, the hydraulic pressure that washes away of the step S10 high-pressure gun is 18MPa.
Embodiment two
A kind of concrete component water rushes dabbing technique, includes the following steps:
S1: bottom tire processing
Bottom tire is checked, it is ensured that bottom tire surface keeps smooth, bright and clean, and sideline is straight, no pit, bottom tire two sides rubber
Item is intact, and without slag inclusion between rubber strip and bottom tire, the iron sheet surface of bottom tire surface two sides should ensure that the fitting of smooth and flitch is tight,
Ensure iron sheet without heaving, without lime-ash under iron sheet and flitch, when having lime-ash, part sedimentation, cracking, rubber strip damage, iron on the tire of bottom
Skin lesion is bad, when pressing from both sides grey phenomenon, and bottom tire is placed under repair or replaced；
S2: brushing interleaving agent
Uniform brushing interleaving agent on bottom tire after treatment, interleaving agent must not be blocked up, and oil accumulation on the tire of bottom is avoided to occur, in order to avoid
Greasy dirt is caused to framework of steel reinforcement；
S3: cleaning template simultaneously checks
Template surface and mortar suitable for reading, lime-ash, rusty stain and dirt are removed with angle grinder, checks template, limiting card and plug
The use state of plate guarantees normal use, must not use if bulkhead deformation, and need to repair rear can be used；
S4: the undisguised material agent of stirring
The pH of undisguised material agent is 6.9, and the undisguised solid content for expecting agent is 48%, carries out uniform stirring to undisguised material agent；
S5: the undisguised material agent of template surface spraying
The undisguised material agent stirred evenly is uniformly sprayed to template to the side for being adjacent to concrete using atomizer, in coagulation
Without spraying in template of the native avris less than 2.5cm, prevent concrete corner impaired, the undisguised material agent of spraying must not be in template
At under plume, spraying carries out an acceptance inspection to spraying situation after completing on surface, main to check coating thickness and spraying uniformity coefficient, together
When check the mobility for having sprayed undisguised material agent；
S6: branching standing template
S7: casting concrete
Ash bucket is dragged using trailer, small arc shaped hangs ash bucket and enters mould casting concrete, when lower ash cannot concentrate it is impact steel bar reinforced, under
Grey height is not more than 2m, is layered lower ash and every thickness degree is not more than 50cm, vibrate 4cm to be overlapped between adjacent layer, such as finds steel
Tendons skeleton is sunk or rising phenomenon adjusts in time, it is ensured that the thickness of protective layer is poured in Concrete, it is necessary to have full-time staff
It keeps a close eye on whether Capsules have phenomena such as gas leakage, burst, if there is exception, adopts remedial measures, forbid non-full-time personnel couple
Capsule gives tonifying Qi, and template top surface must not arbitrarily be removed to bolt is worn, if influencing plastering, when the concrete vibratings such as need finish plastering
It removes again, concrete vibrating sequence is first outside and then inside since at near-lying mode plate, and mobile spacing is not more than 25cm, avoids collision, vibrates
It should be inserted perpendicularly into, insert pull out slowly fastly, twitch up and down, guarantee uniform jolt ramming, receive stick location-appropriate and reduce spacing of vibrating, be conducive to coagulation
Air in soil steeps outlet, and vibrating time prevents over vibration or leakage between 15s；
Component top surface mortar thickness check at any time after vibrating such as finds that excessive mortar floats, it is necessary to desurfacing mortar, more
Fresh concrete is changed, surface layer mortar is avoided to generate crack, back portion uses secondary vibration to prevent pine top and concrete dry draw
Seam, sucks moisture content with water-absorbent material if any excreting water phenomenon, observes concrete slump situation at any time, such as finds that concrete has exception
Situation should reflect to testing crew or technical staff in time, must not contact mixing building tune ash privately, concreting should continuously into
Row such as interrupts for some reason, should reflect and deal carefully with to the relevant personnel in time；
After concreting, if meeting strong wind weather or unexpected rainfall, it need to arrange personnel after plastering with two ropes made of hemp
It ties up on clamp suitable for reading, is covered with blue silver-colored cloth in parallel, to prevent excessively leading to cracking or because of drop because of the dehydration of strong wind component surface
Rain makes component surface leak stone sand leakage, is turned over a finished item again after weather takes a turn for the better, and forbids using the grey casting concrete of landing, work progress
It is middle to be cleaned out in time by template, to the lime-ash worn on bolt, and clean out landing ash after constructing；
S8: form removal
After concrete reaches drying time, dismantling concrete needs the template at dabbing position；
S9: concrete surface is checked
After form removable, the surface of concrete is checked, the surface strength of concrete cannot be less than 8.5MPa；
S10: giant rinses
It rushes hair surface to the concrete after inspection using giant to wash away, giant scouring head is apart from concrete
Wash surface is 1m, and the water that giant sprays must not be vertical with concrete surface, flushing time 10min/m2；
S11: result is washed away in examination
Concrete rushes hair surface communications centre and cleans down, if surface erosion is not clean, needs to carry out manually to mend chisel, there is protruding bar
Beam-ends head, plate side, dabbing range is to reject the magma of the concrete surface in edge 1.5cm, exposes fresh coagulation
Native face, top surface of the beam have the part of protruding bar, and dabbing range is by the original of the concrete surface at protruding bar and its within the scope of 5cm
Slurry is rejected, and fresh concrete face is exposed；
S12: maintenance.
Particularly, the mixing time in the step S4 is 3min.
Particularly, the coating thickness that agent spraying is undisguisedly expected in the step S5 is 0.3mm.
Particularly, the drying time in the step S8 determines according to temperature, when one day temperature on average is at 30 DEG C or more
When, drying time 7h, every 5 DEG C of the decline of temperature on average, then drying time needs to increase 2h, and drying time must not exceed 20h.
Particularly, the hydraulic pressure that washes away of the step S10 high-pressure gun is 15MPa.
Embodiment three
A kind of concrete component water rushes dabbing technique, includes the following steps:
S1: bottom tire processing
Bottom tire is checked, it is ensured that bottom tire surface keeps smooth, bright and clean, and sideline is straight, no pit, bottom tire two sides rubber
Item is intact, and without slag inclusion between rubber strip and bottom tire, the iron sheet surface of bottom tire surface two sides should ensure that the fitting of smooth and flitch is tight,
Ensure iron sheet without heaving, without lime-ash under iron sheet and flitch, when having lime-ash, part sedimentation, cracking, rubber strip damage, iron on the tire of bottom
Skin lesion is bad, when pressing from both sides grey phenomenon, and bottom tire is placed under repair or replaced；
S2: brushing interleaving agent
Uniform brushing interleaving agent on bottom tire after treatment, interleaving agent must not be blocked up, and oil accumulation on the tire of bottom is avoided to occur, in order to avoid
Greasy dirt is caused to framework of steel reinforcement；
S3: cleaning template simultaneously checks
Template surface and mortar suitable for reading, lime-ash, rusty stain and dirt are removed with angle grinder, checks template, limiting card and plug
The use state of plate guarantees normal use, must not use if bulkhead deformation, and need to repair rear can be used；
S4: the undisguised material agent of stirring
The pH of undisguised material agent is 7.1, and the undisguised solid content for expecting agent is 50%, carries out uniform stirring to undisguised material agent；
S5: the undisguised material agent of template surface spraying
The undisguised material agent stirred evenly is uniformly sprayed to template to the side for being adjacent to concrete using atomizer, in coagulation
Without spraying in template of the native avris less than 2.5cm, prevent concrete corner impaired, the undisguised material agent of spraying must not be in template
At under plume, spraying carries out an acceptance inspection to spraying situation after completing on surface, main to check coating thickness and spraying uniformity coefficient, together
When check the mobility for having sprayed undisguised material agent；
S6: branching standing template
S7: casting concrete
Ash bucket is dragged using trailer, small arc shaped hangs ash bucket and enters mould casting concrete, when lower ash cannot concentrate it is impact steel bar reinforced, under
Grey height is not more than 2m, is layered lower ash and every thickness degree is not more than 50cm, vibrate 6cm to be overlapped between adjacent layer, such as finds steel
Tendons skeleton is sunk or rising phenomenon adjusts in time, it is ensured that the thickness of protective layer is poured in Concrete, it is necessary to have full-time staff
It keeps a close eye on whether Capsules have phenomena such as gas leakage, burst, if there is exception, adopts remedial measures, forbid non-full-time personnel couple
Capsule gives tonifying Qi, and template top surface must not arbitrarily be removed to bolt is worn, if influencing plastering, when the concrete vibratings such as need finish plastering
It removes again, concrete vibrating sequence is first outside and then inside since at near-lying mode plate, and mobile spacing is not more than 25cm, avoids collision, vibrates
It should be inserted perpendicularly into, insert pull out slowly fastly, twitch up and down, guarantee uniform jolt ramming, receive stick location-appropriate and reduce spacing of vibrating, be conducive to coagulation
Air in soil steeps outlet, and vibrating time prevents over vibration or leakage between 20s；
Component top surface mortar thickness check at any time after vibrating such as finds that excessive mortar floats, it is necessary to desurfacing mortar, more
Fresh concrete is changed, surface layer mortar is avoided to generate crack, back portion uses secondary vibration to prevent pine top and concrete dry draw
Seam, sucks moisture content with water-absorbent material if any excreting water phenomenon, observes concrete slump situation at any time, such as finds that concrete has exception
Situation should reflect to testing crew or technical staff in time, must not contact mixing building tune ash privately, concreting should continuously into
Row such as interrupts for some reason, should reflect and deal carefully with to the relevant personnel in time；
After concreting, if meeting strong wind weather or unexpected rainfall, it need to arrange personnel after plastering with two ropes made of hemp
It ties up on clamp suitable for reading, is covered with blue silver-colored cloth in parallel, to prevent excessively leading to cracking or because of drop because of the dehydration of strong wind component surface
Rain makes component surface leak stone sand leakage, is turned over a finished item again after weather takes a turn for the better, and forbids using the grey casting concrete of landing, work progress
It is middle to be cleaned out in time by template, to the lime-ash worn on bolt, and clean out landing ash after constructing；
S8: form removal
After concrete reaches drying time, dismantling concrete needs the template at dabbing position；
S9: concrete surface is checked
After form removable, the surface of concrete is checked, the surface strength of concrete cannot be less than 8.5MPa；
S10: giant rinses
It rushes hair surface to the concrete after inspection using giant to wash away, giant scouring head is apart from concrete
Wash surface is 2m, and the water that giant sprays must not be vertical with concrete surface, flushing time 15min/m2；
S11: result is washed away in examination
Concrete rushes hair surface communications centre and cleans down, if surface erosion is not clean, needs to carry out manually to mend chisel, there is protruding bar
Beam-ends head, plate side, dabbing range is to reject the magma of the concrete surface in edge 1.5cm, exposes fresh coagulation
Native face, top surface of the beam have the part of protruding bar, and dabbing range is by the original of the concrete surface at protruding bar and its within the scope of 5cm
Slurry is rejected, and fresh concrete face is exposed；
S12: maintenance.
Particularly, the mixing time in the step S4 is 10min.
Particularly, the coating thickness that agent spraying is undisguisedly expected in the step S5 is 0.6mm.
Particularly, the drying time in the step S8 determines according to temperature, when one day temperature on average is at 30 DEG C or more
When, drying time 9h, every 5 DEG C of the decline of temperature on average, then drying time needs to increase 2h, and drying time must not exceed 20h.
Particularly, the hydraulic pressure that washes away of the step S10 high-pressure gun is 20MPa.
The present invention is exemplarily described above in conjunction with specific embodiment, it is clear that the present invention implements not by upper
The limitation of mode is stated, as long as using the various improvement that the inventive concept and technical scheme of the present invention carry out, or not improved straight
It scoops out for other occasions, it is within the scope of the present invention.
Claims (5)
1. a kind of concrete component water rushes dabbing technique, which comprises the steps of:
S1: bottom tire processing
Bottom tire is checked, it is ensured that bottom tire surface keeps smooth, bright and clean, and sideline is straight, no pit, and bottom tire two sides rubber strip is complete
Good, without slag inclusion between rubber strip and bottom tire, the iron sheet surface of bottom tire surface two sides should ensure that the fitting of smooth and flitch is tight, it is ensured that
Iron sheet is without heaving, and without lime-ash under iron sheet and flitch, when having on the tire of bottom, lime-ash, part sedimentation, cracking, rubber strip is damaged, iron sheet damages
It is bad, when pressing from both sides grey phenomenon, bottom tire is placed under repair or is replaced；
S2: brushing interleaving agent
Uniform brushing interleaving agent on bottom tire after treatment；
S3: cleaning template simultaneously checks
Template surface and mortar suitable for reading, lime-ash, rusty stain and dirt are removed with angle grinder, checks template, limiting card and bulkhead
Use state guarantees normal use；
S4: the undisguised material agent of stirring
The pH of undisguised material agent is 6.9-7.1, and the undisguised solid content for expecting agent is 48-50%, carries out uniform stirring to undisguised material agent；
S5: the undisguised material agent of template surface spraying
The undisguised material agent stirred evenly is uniformly sprayed to template to the side for being adjacent to concrete using atomizer, in concrete edge
Without spraying in template of the side less than 2.5cm, prevent concrete corner impaired, the undisguised material agent of spraying must not be in template surface
At under plume；
S6: branching standing template
S7: casting concrete
Ash bucket is dragged using trailer, small arc shaped hangs ash bucket and enters mould casting concrete, and concreting should be carried out continuously, when lower grey not
Energy concentration is impact steel bar reinforced, and lower ash height is not more than 2m, and ash and every thickness degree are not more than 50cm under layering, vibrates and wants between adjacent layer
It is overlapped 4-6cm, vibrating should be inserted perpendicularly into, and fast insert is pulled out slowly, twitch up and down, guarantee uniform jolt ramming, vibrating time is between 15-20s；
S8: form removal
After concrete reaches drying time, dismantling concrete needs the template at dabbing position；
S9: concrete surface is checked
After form removable, the surface of concrete is checked, the surface strength of concrete cannot be less than 8.5MPa；
S10: giant rinses
It rushes hair surface to the concrete after inspection using giant to wash away, giant scouring head is washed away apart from concrete
Face is 1-2m, and the water that giant sprays must not be vertical with concrete surface, flushing time 10-15min/m2；
S11: result is washed away in examination
Concrete rushes hair surface communications centre and cleans down, if surface erosion is not clean, needs to carry out manually to mend chisel, there is the beam of protruding bar
End, plate side, dabbing range are to reject the magma of the concrete surface in edge 1.5cm, expose fresh concrete face,
Top surface of the beam has the part of protruding bar, and dabbing range is to pick the magma of the concrete surface at protruding bar and its within the scope of 5cm
It removes, exposes fresh concrete face；
S12: maintenance.
2. a kind of concrete component water according to claim 1 rushes dabbing technique, which is characterized in that the stirring in the step S4
Time is 3-10min.
3. a kind of concrete component water according to claim 2 rushes dabbing technique, which is characterized in that undisguisedly expect in the step S5
The coating thickness of agent spraying is 0.3-0.6mm.
4. a kind of concrete component water according to claim 3 rushes dabbing technique, which is characterized in that the drying in the step S8
Time determines according to temperature, when one day temperature on average is at 30 DEG C or more, drying time 7-9h, and the every decline 5 of temperature on average
DEG C, then drying time needs to increase 2h, and drying time must not exceed 20h.
5. a kind of concrete component water according to claim 4 rushes dabbing technique, which is characterized in that the step S10 mesohigh
The hydraulic pressure that washes away of hydraulic giant is 15-20MPa.
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| CN201811549615.4A CN109624066A (en) | 2018-12-18 | 2018-12-18 | A kind of concrete component water rushes dabbing technique |
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