A kind of concrete structure reinforcement scheme generation method
Technical field
The present invention relates to a kind of concrete structure reinforcement scheme automatic generation method.
Background technology
In recent years, along with China's expanding economy, existing building structure transformation upsurge is in the ascendant.For existing building, it is often necessary to change the use function of flooring, and the bearing capacity of existing structure tends not to the demand after meeting changing function, is now necessary for taking suitable structural strengthening modification measures.Such as, when needs set up bath center in skyscraper, the vertical load design value born due to usual bath center bathing pool base plate is 2-3 times of normal public building floor, it is necessary to take suitable reinforcement and strengthening measure to meet.For transformation, demander itself does not know about technology, it is proposed to transformation demand be likely to unworkable technically, also have portion requirements people to wish to be advanced by decorrelation renovation technique scheme.
Summary of the invention
It is an object of the invention to provide a kind of concrete structure reinforcement scheme generation method, corresponding strengthening reconstruction technical scheme can be generated according to the strengthening reconstruction information of building to be rebuilt by the method, it is simple to understand relevant reinforcement renovation technique scheme, simple and convenient.
Concrete structure reinforcement scheme generation method provided by the present invention, it is characterised in that comprise the following steps:
(1) obtain the strengthening reconstruction information of building, it is determined that the classification of strengthening reconstruction, namely determine and building superstructure is carried out strengthening reconstruction, or foundation is transformed;If superstructure is carried out strengthening reconstruction, then enter step (2), otherwise enter step (3);
(2) first determine whether that the superstructure to this building carries out the type of strengthening reconstruction, if integral reinforcing, then first determine whether that this building to be reinforced is brickwork construction or xoncrete structure, if this treats that the building of strengthening reconstruction is brickwork construction, and this brickwork construction body of wall mortar strength is not enough, then output renovation program for reinforcement is: first along exterior wall corner machine cuts broken concrete terrace, earth excavation, digging the degree of depth is 500mm, and width is 400mm;Electricity consumption chiso-mallet shows to wall brick except wall plastering layer;Colligation double layer bar on body of wall, this double layer bar extends in outer wall foundation, the longitudinal direction of described double layer bar and the diameter of transverse steel are 300mm, and adopt S shape reinforcing bar through walls to drawing, forming the quincunx fixing wall-through hole with fixing bar-mat reinforcement, described S shape reinforcing bar and body of wall adopts cement mortar to tamp;Dividing cement mortar thick for two procedures flour sand 35mm on the net at double steel bar again, first whitewashes thickness and is advisable to cover reinforcing bar, and second whitewashes to designing requirement thickness, is 5mm from brick wall surface spacing inside bar-mat reinforcement, and bar-mat reinforcement external protection thickness is 10mm;Flour sand carries out maintenance after completing;If this treats that the building of strengthening reconstruction is xoncrete structure, then first remove the concrete surface rendering layer of spandrel girder, and the thick Surface layer's concrete of 1-2mm is removed in concrete polishing, and utilize non-active solvent to wash greasy dirt and the dust on spandrel girder surface;The steel sticking position line is ejected, the every limit of paste position line 50mm bigger than reality stickup size in the bottom surface of spandrel girder and side;Steel plate carries out rust cleaning polishing, and polishing lines should be vertical with steel plate Impact direction, and polishing is until there is metallic luster;Punch on spandrel girder and steel plate according to paste position line;The thickness structure glue at 1-3mm, thick middle thin edge is scraped on spandrel girder top layer;By steel sticking on spandrel girder, after having pasted, chemical bolt is squeezed into from the hole steel plate the hole on spandrel girder, steel plate is carried out pressurized treatments so that structure glue is extruded from steel plate edge, the structure glue of constantly cleaning extrusion simultaneously, ensure steel plate and spandrel girder close attachment, and use U-shaped angle steel to be stuck on spandrel girder bottom spandrel girder to reinforce, non-active solvent should be utilized before affixing steel plate to clean steel plate;Treat that structure glue is dried, can at surface of steel plate rendering concrete protective layer;
(3) if treating strengthening reconstruction building and carrying out foundation transformation and carry out translation operation, then output Scheme of Strengthening is construction track between this building and its new address planned, namely banketing of former both sides, basis is first cut out, expose whole basis, and the former vertical foundation of wall both sides of this building and each casting concrete fine strain of millet in bottom as lower railway fine strain of millet, described lower railway fine strain of millet extends to new basis;Roller support is installed on lower railway beam again;A reinforced beam is respectively built as the beam that gets on the right track in building masonry wall crust both sides on described roller support;Then this building superstructure and former basis being carried out cutting and separating, the building after separation is supported on described lower railway beam by roller support, and roller support is applied horizontal drag force, by the building after separation along described track integral shift to new address;Finally the building load bearing wall after integral shift and newly-built basis are reliably connected, and use concrete to carry out consolidation process.
Preferably, in described step (2), if the type that the superstructure of this building carries out strengthening reconstruction is partial dismantling, first the object of partial dismantling is determined, if dismounting body of wall, then it is first determined whether remove non-bearing wall body, then export prompting " non-bearing wall body, it is not necessary to reinforcing and dismountable ";If dismounting bearing wall, then output column outrigger method, first cuts the body of wall wanting column place, then carries out column modeling, assembling reinforcement, placing concrete, form removal after this column concrete reaches design strength;On body of wall to be removed, interval cutter sets several rectangular openings again, and this rectangular opening is between the existing collar tie beam of this building and body of wall;Bracing members is embedded in rectangular opening, tight of must fitting between described bracing members and upper ring beam and lower wall body;Make template, assembling reinforcement placing concrete along this body of wall to be removed, reach form removal after design strength until concrete;Finally remove body of wall.
Preferably, in described step (2), if building cylinder insufficient rigidity, then first the rendering layer of damaged surface is removed and cleaned up, then mark needs implant the position of reinforcing bar and punch on cylinder;Reinforcing bar to be implanted is carried out processing of rust removing, and cleans with non-active solvent;At the outside assembling reinforcement net of cylinder, reinforcing bar to be implanted is implanted and ties up with bar-mat reinforcement and build mould after in the hole on cylinder;Last placing concrete, reaches to dismantle after design strength mould until concrete.
Preferably, in described step (2), if the type that the superstructure of this building carries out strengthening reconstruction is local excavation, first the object of local excavation is determined, if at digging hole in wall, first judge to intend punching the surplus size size of mouthful both sides body of wall, if surplus size is less than 0.25m, then exports prompting " hole is crossed apart from body of wall edge and closely cannot be punched ";If can punch, first marking the position building lintel on body of wall, the location interval at mark cuts several open-works, installs steel pipe support part in open-work;The body of wall building lintel position is all removed, and colligation formed beam reinforcement cages after placing beam stirrup, principal rod;Crossing the outer installation form of beam reinforcement cages, during installation form, a side template and body of wall are close to, and opposite side template lower end and body of wall are close to, and its upper end open 150mm, concrete pours into from opening part;Reach form removal after design strength until concrete, then body of wall is removed;If at beam opening, first determine whether that whether this beam is prestressed concrete or the plan mouth that punches is positioned at 1.5 times of two ends deck-molding scope, if prestressed concrete or plan punch, mouth is positioned at 1.5 times of two ends deck-molding scope, then export prompting " prestressed concrete can not punch ";If can punch, first the upper/lower terminal of mouth of intending punching offers the little hole of wide 100mm, concrete surface is polished flat and removes with emery wheel greasy dirt and the dust of little hole concrete surface, at the concrete surface smearing thickness primer less than 0.4mm, and primer is carried out levelling;After primer solidifies, the carbon cloth smeared by pasting sizing material is pasted onto concrete surface, and repeatedly rolls in the same direction on carbon cloth surface with smooth roller and ooze out carbon cloth surface to sizing material, make carbon cloth fully infiltrate sizing material;Sizing material is pasted again carbon cloth outer surface uniform application one layer;The last hole size offered according to plan, by all the other concrete chisel removals.
Concrete structure reinforcement scheme generation method provided by the present invention, generates corresponding strengthening reconstruction technical scheme according to the strengthening reconstruction information of the building to be rebuilt got, it is simple to understand relevant reinforcement renovation technique scheme, simple and convenient.
Accompanying drawing explanation
Fig. 1 is flow chart of the present invention.
Detailed description of the invention
As it is shown in figure 1, concrete structure reinforcement scheme generation method provided by the present invention, comprise the following steps:
(1) obtain the strengthening reconstruction information etc. of building, it is determined that the classification of strengthening reconstruction, namely determine and building superstructure is carried out strengthening reconstruction, or foundation is transformed;If superstructure is carried out strengthening reconstruction, then enter step (2), otherwise enter step (3).
(2) first determine whether that the superstructure to this building carries out the type of strengthening reconstruction, if integral reinforcing, then first determine whether that this building to be reinforced is brickwork construction or xoncrete structure, if this treats that the building of strengthening reconstruction is brickwork construction, and this brickwork construction body of wall mortar strength is not enough, then output renovation program for reinforcement is: first along exterior wall corner machine cuts broken concrete terrace, earth excavation, digging the degree of depth is 500mm, and width is 400mm;Electricity consumption chiso-mallet shows to wall brick except wall plastering layer;Colligation double layer bar on body of wall, this double layer bar extends in outer wall foundation, the longitudinal direction of described double layer bar and the diameter of transverse steel are 300mm, and adopt S shape reinforcing bar through walls to drawing, forming the quincunx fixing wall-through hole with fixing bar-mat reinforcement, described S shape reinforcing bar and body of wall adopts cement mortar to tamp;Dividing cement mortar thick for two procedures flour sand 35mm on the net at double steel bar again, first whitewashes thickness and is advisable to cover reinforcing bar, and second whitewashes to designing requirement thickness, is 5mm from brick wall surface spacing inside bar-mat reinforcement, and bar-mat reinforcement external protection thickness is 10mm;Flour sand carries out maintenance after completing;If this treats that the building of strengthening reconstruction is xoncrete structure, then first remove the concrete surface rendering layer of spandrel girder, and the thick Surface layer's concrete of 1-2mm is removed in concrete polishing, and utilize non-active solvent to wash greasy dirt and the dust on spandrel girder surface;The steel sticking position line is ejected, the every limit of paste position line 50mm bigger than reality stickup size in the bottom surface of spandrel girder and side;Steel plate carries out rust cleaning polishing, and polishing lines should be vertical with steel plate Impact direction, and polishing is until there is metallic luster;Punch on spandrel girder and steel plate according to paste position line;The thickness structure glue at 1-3mm, thick middle thin edge is scraped on spandrel girder top layer;By steel sticking on spandrel girder, after having pasted, chemical bolt is squeezed into from the hole steel plate the hole on spandrel girder, steel plate is carried out pressurized treatments so that structure glue is extruded from steel plate edge, the structure glue of constantly cleaning extrusion simultaneously, ensure steel plate and spandrel girder close attachment, and use U-shaped angle steel to be stuck on spandrel girder bottom spandrel girder to reinforce, non-active solvent should be utilized before affixing steel plate to clean steel plate;Treat that structure glue is dried, at surface of steel plate rendering concrete protective layer.
In integral reinforcing is transformed, if building cylinder insufficient rigidity, then first the rendering layer of damaged surface is removed and cleaned up, then mark needs implant the position of reinforcing bar and punch on cylinder;Reinforcing bar to be implanted is carried out processing of rust removing, and cleans with non-active solvent;At the outside assembling reinforcement net of cylinder, reinforcing bar to be implanted is implanted and ties up with bar-mat reinforcement and build mould after in the hole on cylinder;Last placing concrete, reaches to dismantle after design strength mould until concrete.
If the type that the superstructure of this building carries out strengthening reconstruction is partial dismantling, it is first determined the object of partial dismantling, if removing body of wall, then it is first determined whether remove non-bearing wall body, then export prompting " non-bearing wall body, it is not necessary to reinforcing and dismountable ";If dismounting bearing wall, then output column outrigger method, first cuts the body of wall wanting column place, then carries out column modeling, assembling reinforcement, placing concrete, form removal after this column concrete reaches design strength;On body of wall to be removed, interval cutter sets several rectangular openings again, and this rectangular opening is between the existing collar tie beam of this building and body of wall;Bracing members is embedded in rectangular opening, tight of must fitting between described bracing members and upper ring beam and lower wall body;Make template, assembling reinforcement placing concrete along this body of wall to be removed, reach form removal after design strength until concrete;Finally remove body of wall.
If the type that the superstructure of this building carries out strengthening reconstruction is local excavation, first the object of local excavation is determined, if at digging hole in wall, first judge to intend punching the surplus size size of mouthful both sides body of wall, if surplus size is less than 0.25m, then export prompting " distance body of wall edge, hole is crossed and closely cannot be punched ";If can punch, first marking the position building lintel on body of wall, the location interval at mark cuts several open-works, installs steel pipe support part in open-work;The body of wall building lintel position is all removed, and colligation formed beam reinforcement cages after placing beam stirrup, principal rod;Crossing the outer installation form of beam reinforcement cages, during installation form, a side template and body of wall are close to, and opposite side template lower end and body of wall are close to, and its upper end open 150mm, concrete pours into from opening part;Reach form removal after design strength until concrete, then body of wall is removed;If at beam opening, first determine whether that whether this beam is prestressed concrete or the plan mouth that punches is positioned at 1.5 times of two ends deck-molding scope, if prestressed concrete or plan punch, mouth is positioned at 1.5 times of two ends deck-molding scope, then export prompting " prestressed concrete can not punch ";If can punch, first the upper/lower terminal of mouth of intending punching offers the little hole of wide 100mm, concrete surface is polished flat and removes with emery wheel greasy dirt and the dust of little hole concrete surface, at the concrete surface smearing thickness primer less than 0.4mm, and primer is carried out levelling;After primer solidifies, the carbon cloth smeared by pasting sizing material is pasted onto concrete surface, and repeatedly rolls in the same direction on carbon cloth surface with smooth roller and ooze out carbon cloth surface to sizing material, make carbon cloth fully infiltrate sizing material;Sizing material is pasted again carbon cloth outer surface uniform application one layer;The last hole size offered according to plan, by all the other concrete chisel removals.
(3) if treating strengthening reconstruction building and carrying out foundation transformation and carry out translation operation, then output Scheme of Strengthening is construction track between this building and its new address planned, namely banketing of former both sides, basis is first cut out, expose whole basis, and the former vertical foundation of wall both sides of this building and each casting concrete fine strain of millet in bottom as lower railway fine strain of millet, described lower railway fine strain of millet extends to new basis;Roller support is installed on lower railway beam again;A reinforced beam is respectively built as the beam that gets on the right track in building masonry wall crust both sides on described roller support;Then this building superstructure and former basis being carried out cutting and separating, the building after separation is supported on described lower railway beam by roller support, and roller support is applied horizontal drag force, by the building after separation along described track integral shift to new address;Finally the building load bearing wall after integral shift and newly-built basis are reliably connected, and use concrete to carry out consolidation process.