CN106567554A - Reinforcing construction method of masonry structural building - Google Patents
Reinforcing construction method of masonry structural building Download PDFInfo
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- CN106567554A CN106567554A CN201610913008.6A CN201610913008A CN106567554A CN 106567554 A CN106567554 A CN 106567554A CN 201610913008 A CN201610913008 A CN 201610913008A CN 106567554 A CN106567554 A CN 106567554A
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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
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Abstract
The invention discloses a reinforcing construction method of a masonry structural building. The reinforcing construction method comprises the following steps of patand construction, wall polishing, hoisting of a precast ring beam and a first layer of precast constructional columns, pouring of a first layer of grouting seams and joints, hoisting of a second precast ring beam and a second layer of precast constructional columns, pouring of a second layer of grouting seams and joints, and steel tie rod mounting. According to the reinforcing construction method of the masonry structural building, a system composed of the outer frame precast ring beams and constructional columns is adopted to reinforce an original masonry structural wall, the interior of an original structure does not need to be modified during reinforcement, only a patand and the ring beams are additionally arranged on the exterior of the original structure, stand columns are arranged at the beam joints, a beam-column framework type outer attachment system is formed, the original old residential structure is reinforced on the framework type outer attachment system, the anti-earthquake performance of the masonry structural building is improved, the service life is long, environmental influence is small, and the cost is saved.
Description
Technical field
The present invention relates to building strengthening field, more particularly to a kind of reinforced construction method of masonry structure building.
Background technology
Masonry structure building engineering is the version that China rural area is had a large capacity and a wide range, in all previous earthquake, masonry structure shake
Evil causes substantial amounts of casualties generally than more serious.Build most independently to build in rustic home, it is little during its construction
Consider earthquake protection.At present, newly constructed house can adopt carbon cloth reinforced construction technology, wherein carbon fiber rubber to include carbon fiber bottom
Glue, levelling glue, dipping glue.
Primer：Viscosity is low, and penetrating power is strong, smears for strenthening member surface bottom, its effect be to cutting after it is broken
Damaging masonry, concrete carries out infiltration bonding and reinforcement；Need not be smeared if component surface is excellent.
Levelling glue：Thixotropic property is good, repairing for strenthening member surface defect and levelling, and its effect is to masonry, mixed
Solidifying soil surface defect, big breakage, male and fomale(M＆F) and turning carry out levelling, in order to the stickup of carbon cloth, preferably play carbon
The tensile strength of fiber cloth.
Dipping glue：Viscosity is low, and wellability is good, there is certain thixotropic property, for strenthening member surface and fiber-like product
Dipping and stickup, its effect is impregnated with completely in fiber-like product, and fiber-like product is effectively pasted on into component surface,
So as to carry out reinforcing to component.
Primer outward appearance：
Component A：Clear viscous liquids, operable time (min)>30；
B component：Brown viscous liquid, set to touch time (20 DEG C, h) 1～2.
Adhesion strength：C60 concrete breaks ring
Match ratio：A ﹕ B=2 ﹕ 1
Levelling glue outward appearance：
Component A：Sticky body of paste, operable time (min)>40；
B component：Sticky body of paste, temperature DEG C 5～40 during operation.
Steel-steel adhesion strength (MPa) shearing 20.Set to touch time (20 DEG C, h) 1～2；Stretching 35.
Match ratio：A ﹕ B=2 ﹕ 1
Dipping glue outward appearance：
Component A：Thick liquid, operable time (min)>30；
B component：Thick liquid, temperature DEG C 5～40 during operation, set to touch time (20 DEG C, h) 1～2.
Key property after sticking carbon fiber solidification：Tensile strength standard value (MPa) >=40；Limit elongation (%) >=
1.5；Elastic modelling quantity (MPa) >=2500.
Match ratio：A ﹕ B=2 ﹕ 1
Concrete construction method：
Surface treatment：
Masonry face should cut powdering layer, greasy dirt, dirt etc., then grind off 1～2mm thickness top layer, masonry component with angle grinder
Corner should carry out chamfered, and polishing is finished and blows off floating dust with compressed air, finally dips in acetone with cotton and wipe net surface, is kept
Drying for standby.If the masonry being reinforced has crack, after should first regarding Size of Crack from crack after potting compound or base joint grouting glue perfusion
Carry out again carbon cloth reinforced.
Primer is constructed：
During construction, the component of primer A, B two is weighed in regulation with glue ratio, is poured in clean container and is stirred and (stirs
Preferably stir in the same direction when mixing, avoid being mixed into air formation bubble as far as possible.) equal in concrete surface with hairbrush or rotary broom
Even brushing, after glue top layer is dry, visual concrete condition is repeatedly brushed, but coating layer thickness is less than 0.4mm, and must not be leaked
Brush has trickling, bubble, waits after adhesive curing that (hardening time is regarded depending on live temperature, is dried with finger allodynia and is advisable, typically many
In 2 hours), then carry out next process.The glue prepared every time should once be finished within the working life of glue.
Levelling construction
Masonry component surface pores and defect should use levelling glue filling-in.It is levelling by what is configured when there is depressed area
Glue is carried out repairing and is filled and led up with embedding the scraping of scraper, and the position that difference in height occurs in template joint etc. is filled up using levelling glue, reduces high as far as possible
Difference.The process of corner, it is smooth circular arc to be repaired using levelling glue, and radius is not less than 20mm.After levelling glue must solidify (Gu
The change time depending on live temperature, is dried with finger allodynia and is advisable, general to be no less than 2 hours), can again carry out down one work
Sequence.
The stickup of carbon cloth：
By impregnated carbon fiber glue uniform application in the position that is stuck, turning position suitably more smears.By carbon cloth
Tense and pasted after alignment, with plastic scrapers or cylinder (paint cylinder with outside fine hair is removed), in the same direction repeatedly
Rolling, until sizing material oozes out.Then glue is impregnated in carbon cloth outer surface also uniform application, and is rolled repeatedly, make dipping glue double
To fully infiltration carbon cloth.If multilayer is pasted, treat that finger allodynia is dried, next layer of stickup can be carried out.If carbon cloth need to be taken
Connect, the lap of splice is not preferably less than 100mm.
Curing conservation
Prevent from drenching with rain in 24 hours after the completion of construction or make moist, and note protection, prevent hard thing damage construction surface.Averagely
When temperature is 20～25 DEG C, hardening time must not be less than 3 days；When temperature on average is 10 DEG C, hardening time must not be less than 7 days.
Inspection
The actual bonding area of carbon cloth should not be less than design area, and position deviation not should be greater than 10mm.Carbon cloth
Bond quality between masonry component, can gently be tapped with hand hammer or hand pressure carbon cloth surface method inspection, it is total effectively
Bond area is not lower than 95%.When the hollowing area of carbon cloth is not more than 100cm2, the method that needle tubing injecting glue can be adopted
Repaired. when hollowing area is more than 100cm2, preferably the carbon cloth at hollowing position is cut off, again overlap joint pastes equivalent
Carbon fiber plate, the lap of splice is no less than 100mm.If necessary, live sampling can be carried out to construction quality using just drawing to test
Inspection.
The shortcoming of existing traditional carbon fibres cloth reinforcing construction process：
1st, difficult quality control：The glue proportion requirement of the construction to each stage pole is required in traditional carbon fibres cloth strengthening construction
Height, often due to workman is uneven with glue modulation ratio, causes the intensity decreases of glue.
2nd, the engineering time be difficult to control to：The hardening time of glue is shorter in traditional carbon fibres cloth strengthening construction, in painting process
Middle speed of application is difficult to control to, and brushing thickness low LCL is caused very much soon, causes very much colloid solidification to be brushed slowly uneven.Can only match somebody with somebody every time
A small amount of glue is put, small area is concentrated and brushed.
3rd, ambient influnence：In traditional carbon fibres cloth strengthening construction glue to operation when temperature requirement between 5 DEG C～40 DEG C,
And air, working face answer finger allodynia drying to be advisable.
4th, difficult control of temperature：Required according to the solidification temperature of glue in traditional carbon fibres cloth strengthening construction, be difficult in daytime
The larger time construction of the night temperature difference, glue hardening time is determined with environment temperature after the completion of construction, and must not drench with rain or make moist,
Prevent hard thing from damaging liquid surface.
The information for being disclosed in the background section is merely intended to increase the understanding of the general background to the present invention, and should not
When the prior art for being considered to recognize or imply in any form the information structure well known to persons skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of reinforced construction method of the masonry structure building of simple and reasonable steps, should
The reinforced construction method of masonry structure building reinforces original masonry knot using the system of the prefabricated ring beam and construction column composition of outrigger
Structure body of wall, need not change inside original structure during reinforcing, and grade beam and collar tie beam are only set up outside original structure, and arrange at girder connection
Column, forms beam, post framework type outer patch system, and original old residential structure is reinforced on the structure frame system, improves masonry
The anti-seismic performance in building house, long service life, ambient influnence is less, and cost-effective.
For achieving the above object, it is the invention provides a kind of reinforced construction method of masonry structure building including following
Step：First, grade beam construction；Secondly, wall polishing；Again, the lifting of the prefabricated collar tie beam of ground floor and prefabricated constructional column；Again,
Ground floor grouting seam is poured with node；Again, the lifting of the prefabricated collar tie beam of the second layer and prefabricated constructional column；Again, second layer grouting
Seam grouting is poured with node；Finally, reinforcing pull rod is installed.
Preferably, in above-mentioned technical proposal, the rectangular cross-section of grade beam, size is 300x400mm, longitudinal steel of the grade beam
Muscle configures the worm steel muscle of four a diameter of 12mm, and the stirrup of the grade beam adopts the worm steel muscle of a diameter of 8mm.
Preferably, in above-mentioned technical proposal, the stirrup of grade beam is the setting of spacing 200mm.
Preferably, in above-mentioned technical proposal, the section of prefabricated constructional column is L-shaped or rectangle.
Preferably, in above-mentioned technical proposal, prefabricated constructional column arranges the preformed hole of diameter 14mm along height every 500mm.
Preferably, in above-mentioned technical proposal, prefabricated collar tie beam rectangular cross-section.
Preferably, in above-mentioned technical proposal, prefabricated collar tie beam arranges the preformed hole of diameter 14mm at interval of 500mm.
Preferably, in above-mentioned technical proposal, a diameter of 16mm of reinforcing pull rod.
Preferably, in above-mentioned technical proposal, reinforcing pull rod tightens anchoring by nut and billet at two ends.
Preferably, in above-mentioned technical proposal, reinforcing pull rod carries out spreading using flower basket bolt.
Compared with prior art, the present invention has the advantages that：The reinforced construction method of the masonry structure building
Original Masonry Wall is reinforced using the system of the prefabricated ring beam and construction column composition of outrigger, need not be changed in original structure during reinforcing
Portion, only sets up grade beam and collar tie beam outside original structure, and column is arranged at girder connection, forms beam, post framework type outer patch system,
Original old residential structure is reinforced the anti-seismic performance that masonry building thing house is improved on the structure frame system, service life
Long, ambient influnence is less and cost-effective.
Description of the drawings
Fig. 1 is the L-shaped prefabricated constructional column structural representation of the reinforced construction method of the masonry structure building of the present invention.
Fig. 2 is the rectangle prefabricated constructional column structural representation of the reinforced construction method of the masonry structure building of the present invention.
Fig. 3 is that the L-shaped prefabricated constructional column of the reinforced construction method of the masonry structure building of the present invention and wall connecting are tied
Structure schematic diagram.
Fig. 4 is that the rectangle prefabricated constructional column of the reinforced construction method of the masonry structure building of the present invention and wall connecting are tied
Structure schematic diagram.
Fig. 5 is that the prefabricated collar tie beam of the reinforced construction method of the masonry structure building of the present invention and connecting structure of wall are illustrated
Figure.
Fig. 6 is the reinforcing pull rod end structure schematic diagram of the reinforced construction method of the masonry structure building of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not limited by specific embodiment.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " including " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other units
Part or other parts.
The technological process of the reinforced construction method of the masonry structure building is as follows：Grade beam construction → wall polishing → the first
Lifting → ground floor grouting seam grouting → second layer ring beam and construction column lifting → the second layer grouting seam grouting of layer ring beam and construction column →
Reinforcing pull rod → reinforcing is installed to complete.
Specifically, first, grade beam construction；
Grade beam i.e. collar tie beam, is the basis of additional constructional column and collar tie beam, house periphery around house one week, formation is closed
The ground collar tie beam of conjunction.Ground collar tie beam is cast-in-place structural.Sectional dimension form is rectangle, and size can be 300mm*400mm, and longitudinal reinforcement can
The a diameter of 12mm of 4 worm steel muscle of configuration.Stirrup is arranged using worm steel muscle spacing 200mm of a diameter of 8mm.Ground
Beam basis top surface absolute altitude is identical with grade absolute altitude, and after leaving with constructional column junction node is poured.After pour secondary at node
Dabbing brushing interfacial agents are answered during cast contact surface, to strengthen pouring cohering for grouting material with after.
Secondly, ground floor ring beam and construction column lifting；
Anchor hole is beaten on body of wall first, by accurately measuring the preformed hole phase on the anchor hole and prefabricated components that make on wall
Correspondence, using mechanical hoisting device, the constructional column of ground floor is lifted to precalculated position, is set between prefabricated constructional column and metope
Putting some cushion blocks makes constructional column and body of wall keep the distance of 10～20mm, used as grouting seam.The diameter and prefabricated components of anchor hole
On preformed hole it is identical, the anchoring hole depth on body of wall is not less than 150mm, injects into hole after borehole cleaning and anchor adhesive and is implanted into steel
Muscle.Upper gasket and nut screwing clamping are covered on reinforcing bar outside prefabricated constructional column after solidification.The fixation of prefabricated components is completed, after fixing
Whether the position and perpendicularity that constructional column need to be checked meets the requirements, if being unsatisfactory for requiring, is re-calibrated.Confirm constructional column position
Put and pour node after pouring without mistaking.
Preferably, the section form of prefabricated constructional column has 2 kinds：L-shaped and rectangle, as depicted in figs. 1 and 2.L-shape configuration post 11
The corner of external wall of house 12 is arranged on, rectangular configuration post 13 is arranged on the junction of longitudinal cross wall 14.Prefabricated constructional column concrete
Strength grade is not less than C20, and section and arrangement of reinforcement are referred to《Aseismatic Reinforcement technical regulation》JGJ116-2009.Constructional column two
End bar all should stretch out the bar connecting with adjacent pillars, and when not with other post bar connectings, steel bar end makes 180 ° of crotches
Anchored.Constructional column arranges the preformed hole 15 of diameter 14mm along height every 500mm, can use diameter 12mm reinforcing bars 16 to pass through afterwards
The preformed hole implantation body of wall, the position after fixed prefabricated constructional column lifting, and the connection of constructional column and body of wall can be strengthened, protect
Card constructional column and body of wall cooperation.The grouting seam 17 of 10～20mm is left between constructional column and body of wall, to irrigate grouting material
Make constructional column cohere with body of wall to be integrated.The connecting structure of constructional column and body of wall is as shown in Figure 3 and Figure 4.
After ground floor Constructional Col-umn Construction is finished, carry out lifting ground floor collar tie beam.The lifting of collar tie beam is similar with constructional column, collar tie beam
The distance of 10～20mm is kept and between body of wall, as grouting seam.On the wall anchor hole, wall are set with collar tie beam preformed hole correspondence position
Anchoring hole depth on body is not less than 150mm, injects into hole after borehole cleaning and anchor adhesive and is implanted into reinforcing bar.In prefabricated collar tie beam after solidification
Upper gasket and nut screwing clamping are covered on outside reinforcing bar.The bar splicing welding of reinforcing bar and adjacent collar tie beam that the two ends of collar tie beam find out,
The welding of reinforcing bar should meet《Reinforcement welding and control of acceptance》The requirement of JGJ18-2012.Prefabricated collar tie beam and prefabricated constructional column end
The distance of about 100mm is kept away from joint core edge, so as to increase the scope of cast-in-place node, to strengthen the reliability of node.
Need to install and arrange wall-through pull rod pvc pipe at the node of pull bar in advance, lifting is completed after node, and node district need to add stirrup@
200mm arranges one.
Preferably, the rectangular cross-section of prefabricated collar tie beam 21, strength grade of concrete is not less than C20, and section and arrangement of reinforcement are referred to
《Aseismatic Reinforcement technical regulation》JGJ116-2009.The end bar of prefabricated collar tie beam two should stretch out anchoring or with adjacent members reinforcing bar
Connection.The anchorage length of ring beam reinforcing steel bar is typically enough, without the need for making crotch anchoring, crotch anchor should be made when curtailment is run into
Gu.As constructional column, prefabricated collar tie beam arranges the preformed hole 22 of diameter 14mm at interval of 500mm to collar tie beam, and diameter 12mm is can use afterwards
Reinforcing bar 23 can strengthen collar tie beam and body of wall through the preformed hole implantation body of wall 24, the position after the prefabricated collar tie beam lifting of fixation
Connection, it is ensured that collar tie beam and body of wall cooperation.Prefabricated collar tie beam is generally located at floor absolute altitude, leave 10 between body of wall～
The grouting seam 25 of 20mm, is integrated to irrigate grouting material and collar tie beam is cohered with body of wall.The connecting structure of prefabricated collar tie beam and body of wall
As shown in Figure 5.
Again, ground floor grouting seam is poured with node；
Ground floor ring beam and construction column is lifted and carry out after installation grouting seam grouting, first by all of grouting seam water
Rinse well, grouting seam has also been moistened in the lump, the base and both sides of collar tie beam and constructional column are carried out into mortar joint seal, mortar should be clogged
It is closely knit, prevent grouting material spillage.For installation form is answered at the node of constructional column and collar tie beam, the grouting material that grouting seam is adopted need not
Plus coarse aggregate, and coarse aggregate should be mixed at bean column node.
Preferably, grouting material is used as binding material, and grouting material is cement-based grouting material, is that one kind has cement, bone
The raw materials such as material (or without aggregate), additive and mineral admixture composition, with mobility, microdilatancy, high early stage and later stage
The performances such as intensity, not bleeding.During construction, the seam of 10～20mm between collar tie beam and constructional column and wall is sealed with mortar product
The gap on following and both sides, by the gap at top grouting material is poured into, by collar tie beam and constructional column it is firmly glutinous with body of wall together with.
In order to ensure the cast-in-place node reliability of collar tie beam, constructional column, node is also adopted by grouting material and adds appropriate coarse aggregate to form.
Again, second layer ring beam and construction column lifting；
Because grouting material has early strong feature, after ground floor grouting is finished, the lifting that can carry out the second layer in second day.The
Two layers of lifting and ground floor lifting are essentially identical, need to be in the second layer it is noted that second layer prefabricated constructional column lower end and the second layer
Cast-in-place node upper end keeps the distance of 200mm, and reinforcing bar is stretched out in second layer constructional column bottom and reinforcing bar is stretched out on the first node layer top
Overlap joint is welded to connect, and this region domestic demand adds stirrup 200mm together.Cast-in-place using grouting material in this bar splicing region, template is adopted
With dustpan mouth node template.So as to form a complete node with the first node layer.Second layer constructional column upper node is top
In node, constructional column stretches out reinforcing bar need to make crotch anchoring.
Again, second layer grouting seam is poured with node；
Consistent with ground floor grouting method, in node template installation, template should arrange dustpan mouth, conveniently pour filling
Slurry.
Finally, reinforcing pull rod is installed.
The house poor for globality feature, can set up if necessary reinforcing pull rod, further to improve house inside house
Globality.Interior collar tie beam, reinforcing pull rod two ends is replaced to need mantle fiber, shape of threads is made on surface using the reinforcing pull rod 31 of diameter 16mm.
Reinforcing pull rod is close to interior cross wall 32 through reserving hole channel 33, and available nut 34 and billet 35 tighten anchor at two ends after reinforcing pull rod is in place
Gu, reinforcing pull rod termination way is as shown in Figure 6.Reinforcing pull rod can carry out spreading when needing spreading using flower basket bolt.
Masonry structure external reinforcement technology construction key point is：
1st, according to original house, the size of prefabricated constructional column collar tie beam has been measured, has carried out concentrated processing in factory pre-formed.
2nd, prefabricated constructional column is adopted, need to only carries out simple lifting and node filling is poured, without the need for a large amount of supporting modules, effectively
The difficulty for solving single side formwork.
3rd, it is simple to operate using prefabricated constructional column reinforcement technique, less is affected on temperature, humidity.
4th, using prefabricated constructional column reinforcement technique compared with traditional reinforcement process, the control to glue is more simple, tradition
Reinforcing construction process cost is high, the even more than former house self-value reinforced.
Study and facts have proved that it is reinforcing masonry structure most efficient method to set up ring beam and construction column, using the technology factory
The pattern of prefabricated and on-site consolidation, greatly accelerates speed of application, and energy-conserving and environment-protective, also complies with the development trend of building industry.Build
Body structure external reinforcement technological merit：
1st, long service life：Compare the traditional handicraft life-span increase it is very long, traditional is carbon cloth reinforced affected by environment, makes
Increased over time with the time limit and anti seismic efficiency and reduced.And the innovation construction technology, material is armored concrete, using the longevity
Life length, and not because ambient influnence changes anti seismic efficiency.
2nd, anti-seismic performance：The persistence of traditional handicraft anti-seismic performance is compared into long, traditional construction technique pushing away over time
Move, the carbon cloth reinforced material aging for using, lose anti seismic efficiency, and adopt innovation masonry structure external reinforcement technology antidetonation
Effect will not over time change and change.Increase former earthquake-resistant building effect stability by the way of constructional column and collar tie beam are combined.
3rd, ambient influnence：In traditional handicraft construction, affected larger by temperature, humidity, glue use time, control is not
Good, the building structure shock resistance effect to reinforcing is affected, however, using innovation masonry structure external reinforcement technology not by temperature
Degree, humidity, the impact of time, anti-seismic performance will not reduce anti-seismic performance because of Environmental variations.
4th, it is cost-effective：In traditional construction technique, the consumption with carbon cloth and glue is big, and material cost taken by themselves is high,
Using prefabricated constructional column assembling form, material has generality, and material itself price is low, is again that factory's industrialization is processed, cost
Even more reduce.
To sum up, the reinforced construction method of the masonry structure building is added using the system of the prefabricated ring beam and construction column composition of outrigger
Gu original Masonry Wall, need not change inside original structure during reinforcing, grade beam and collar tie beam are only set up outside original structure, and
Column is set at girder connection, beam, post framework type outer patch system is formed, original old residential structure is reinforced in the structure support body
Fasten, improve the anti-seismic performance in masonry building thing house, long service life, ambient influnence is less and cost-effective.
It is aforementioned to the present invention specific illustrative embodiment description be in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explaining that the certain principles and its reality of the present invention should
With so that those skilled in the art can realize and using the present invention a variety of exemplaries and
A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (10)
1. a kind of reinforced construction method of masonry structure building, it is characterised in that comprise the following steps：
First, grade beam construction；
Secondly, wall polishing；
Again, the lifting of the prefabricated collar tie beam of ground floor and prefabricated constructional column；
Again, ground floor grouting seam is poured with node；
Again, the lifting of the prefabricated collar tie beam of the second layer and prefabricated constructional column；
Again, second layer grouting seam grouting is poured with node；
Finally, reinforcing pull rod is installed.
2. the reinforced construction method of masonry structure building according to claim 1, it is characterised in that the grade beam cuts
Face is rectangle, and size is 300x400mm, and the longitudinal reinforcement of the grade beam configures the worm steel muscle of four a diameter of 12mm, should
The stirrup of grade beam adopts the worm steel muscle of a diameter of 8mm.
3. the reinforced construction method of masonry structure building according to claim 2, it is characterised in that the hoop of the grade beam
Muscle is the setting of spacing 200mm.
4. the reinforced construction method of masonry structure building according to claim 1, it is characterised in that the prefabricated construction
The section of post is L-shaped or rectangle.
5. the reinforced construction method of masonry structure building according to claim 1, it is characterised in that the prefabricated construction
Post arranges the preformed hole of diameter 14mm along height every 500mm.
6. the reinforced construction method of masonry structure building according to claim 5, it is characterised in that the prefabricated collar tie beam
Rectangular cross-section.
7. the reinforced construction method of masonry structure building according to claim 6, it is characterised in that the prefabricated collar tie beam
At interval of 500mm, the preformed hole of diameter 14mm is set.
8. the reinforced construction method of masonry structure building according to claim 1, it is characterised in that the reinforcing pull rod
A diameter of 16mm.
9. the reinforced construction method of masonry structure building according to claim 8, it is characterised in that the reinforcing pull rod leads to
Cross nut and billet and tighten anchoring at two ends.
10. the reinforced construction method of masonry structure building according to claim 9, it is characterised in that the reinforcing pull rod
Spreading is carried out using flower basket bolt.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108396986A (en) * | 2018-05-10 | 2018-08-14 | 上海建工二建集团有限公司 | The ruggedized construction and construction method of superposed type Prefabricated L-shaped prestressing force girt strip plate |
| CN109723187A (en) * | 2019-01-07 | 2019-05-07 | 中国十七冶集团有限公司 | A kind of large area lightweight aggregate buttress installation method |
| CN110241777A (en) * | 2019-04-18 | 2019-09-17 | 天津津港基础设施养护运营工程管理有限公司 | The repairing and reinforcement structure of one plants case cylinder breakwater |
| CN110409858A (en) * | 2019-06-28 | 2019-11-05 | 山东省建筑科学研究院有限公司 | One kind being used for masonry bearing capacity structural member and construction method |
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| CN110409858B (en) * | 2019-06-28 | 2021-11-26 | 山东省建筑工程质量检验检测中心有限公司 | Structural member for reinforcing masonry structure and construction method |
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