CN106049687A - Spatial sandwich joint for improving anti-seismic performance through casing pipes and construction method - Google Patents
Spatial sandwich joint for improving anti-seismic performance through casing pipes and construction method Download PDFInfo
- Publication number
- CN106049687A CN106049687A CN201610500544.3A CN201610500544A CN106049687A CN 106049687 A CN106049687 A CN 106049687A CN 201610500544 A CN201610500544 A CN 201610500544A CN 106049687 A CN106049687 A CN 106049687A
- Authority
- CN
- China
- Prior art keywords
- concrete
- muscle
- sleeve pipe
- post
- node
- Prior art date
Links
- 238000010276 construction Methods 0.000 title claims abstract description 31
- 239000004567 concrete Substances 0.000 claims abstract description 83
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000009415 formwork Methods 0.000 claims abstract description 7
- 210000003205 Muscles Anatomy 0.000 claims description 72
- 230000003014 reinforcing Effects 0.000 claims description 16
- 239000010410 layers Substances 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 2
- 238000007667 floating Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 230000000875 corresponding Effects 0.000 claims 1
- 239000000203 mixtures Substances 0.000 claims 1
- 239000004800 polyvinyl chloride Substances 0.000 abstract description 3
- 229920000915 polyvinyl chlorides Polymers 0.000 abstract description 3
- 238000000034 methods Methods 0.000 abstract description 2
- 238000005266 casting Methods 0.000 abstract 2
- 238000010008 shearing Methods 0.000 abstract 1
- 238000010586 diagrams Methods 0.000 description 7
- 238000005516 engineering processes Methods 0.000 description 6
- 280000398338 Seismic companies 0.000 description 4
- 206010010254 Concussion Diseases 0.000 description 1
- 210000002435 Tendons Anatomy 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000463 materials Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
- E04H9/02—Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
Abstract
Description
Technical field
The present invention relates to method and the construction technology taking sleeve pipe to improve Seismic Behavior, have PVC thimble tube, steel pipe socket Cast two kinds, belongs to technical field of structural engineering, is mainly used in architectural engineering.
Background technology
In multilamellar and high-level structure, post is limited by axial compression ratio and cross section, and beam is limited by crack, simultaneously for cost and rule The requirement of model strong column and weak beam, post strength grade of concrete generally exists higher than beam, the phenomenon of plate, and both design strengths are poor Can increase along with the increase of depth of building, the bottom of skyscraper is especially prominent.At present, the most universal routine is applied to execute Work method is that core space uses the conventional node poured with strong strong concretes such as posts, but this construction method is unsatisfactory, Not only difficulty of construction is big, and construction quality difficulty controls, and difficulty pours into a mould superstructure before accomplishing post concrete initial set, produces a large amount of construction Seam, causes potential safety hazard.Another form of construction work is the sandwich node that the strong weak concretes such as same beam should be used to pour, The method easy construction, compensate for the deficiency of conventional node, substantially reduces the duration.But sandwich node differs two in beam column grade Time more than individual, do not allow to use more low intensive beam slab concreting core space.Sleeve pipe is taked to improve to this end, the author designs The method of Seismic Behavior and construction technology, need with applicable skyscraper building.
Summary of the invention
The present invention proposes method and the construction technology taking sleeve pipe to improve Seismic Behavior, its object is to by Beam at joint cores is indulged the different sleeve pipe of applying on muscle and is indulged, to reduce beam, the load that muscle is incoming, reduces being subject to of core space further Cut and deform, improving its stress performance of sandwich node.Owing to sleeve pipe weakens beam action, therefore can suitably carry in construction The concrete strength of high beam slab so that between such sandwich node beam column, strength grade difference reaches code requirement.Compensate for tradition Deficiency present in node and general sandwich node construction.This structural system simple structure and safe and reliable, method of construction is simple And be prone to construction, and cost is relatively low, is with a wide range of applications, and can promote and build for Concrete Structures of Tall Building.
For achieving the above object, the technical solution used in the present invention is the sandwich joint in space taking sleeve pipe to improve anti-seismic performance Point, it is characterised in that: the sandwich node in this space is by beams of concrete (1), concrete column (2), concrete core district (3), concrete Plate (4), beam indulge muscle (5), beam stirrup (6), post indulge muscle (7), column tie-bar (8), node stirrup (9), upper plate muscle (10), lower plate muscle (11) form with sleeve pipe (12).
Wherein, the connection of above-mentioned component is arranged and be can refer to accompanying drawing, and concrete column (2) is longitudinally arranged, each beams of concrete (1) phase Orthogonal horizontal is placed in concrete column (2) middle part mutually, and concrete core district (3) are between beams of concrete (1), concrete column (2) Cross structure, and concrete slab (4) is between each beams of concrete (1) and same plane is sentenced with beam top in top.Beam is indulged muscle (5) and is set Putting two-layer and run through beams of concrete (1), post is indulged muscle (7) and is longitudinally evenly arranged, and beam stirrup (6), column tie-bar (8) are respectively accordingly Beam indulges muscle (5), post is indulged muscle (7) colligation and is evenly arranged, and node stirrup (9) the uniformly colligation post in concrete core district (3) place is indulged Muscle (7), upper plate muscle (10), lower plate muscle (11) arrange up and down in concrete slab (4) and reinforcing bar is mutually perpendicular to.
Described beams of concrete (1), concrete core district (3), concrete slab (4) take the concrete of low model.
Described concrete column (2) takes the concrete of high model.
Described beam indulges muscle (5), muscle (7) indulged by post, node stirrup (9) uses HRB400 reinforcing bar, described beam stirrup (6), Column tie-bar (8), upper plate muscle (10) and lower plate muscle (11) use HPB300 reinforcing bar.
The internal diameter of sleeve pipe (12) indulges muscle more than beam and length is equal to post width, and the internal diameter of sleeve pipe is not more than beam and indulges the diameter of muscle 6mm, prevent casing inner diameter excessive cause sleeve pipe and beam indulge muscle gap wide and cause concrete to flow into thus affect sleeve pipe every Effect absolutely.
Work progress, first completes reinforcing bar binding, and core space beam is indulged muscle and put sleeve pipe, beam, plate and core space when formwork pours Taking low model concrete of the same race, high model concrete taked by post.Pour order and be followed successively by lower post, beam slab core space, top Post.
Take sleeve pipe to improve the construction method of the sandwich node in space of anti-seismic performance, comprise the steps:
Step one: according to construction drawing, blanking reinforcing bar, prepare different model concrete to be poured;
Step 2: vertical muscle stirrup is carried out early stage processing according to accompanying drawing, is placed in sleeve pipe regulation beam and indulges in the middle part of muscle;
Step 3: assembling reinforcement, completes coupled columns with steel wire and indulges the colligation of muscle stirrup, during stirrup colligation by lower and on enter successively OK.Beam is indulged muscle insert at core space, is two-layer up and down and arranges, complete beam stirrup and beam are indulged the colligation of muscle with steel wire, Note being cased with the beam of sleeve pipe to indulge muscle and be in the middle part of internal layer;
Step 4: complete reinforcing bar binding, carries out formwork and pours.First with the high model concreting post got ready when pouring Bottom, with at low model concreting beam slab and core space after fully vibrating, continues to vibrate, floating concrete slab, top Post continues, with high model concreting, to vibrate equally uniformly;
Step 5: maintenance test specimen, i.e. collapsible die molding after 28 days expire
The present invention is that improvement based on traditional space conventional node and sandwich design of node and construction making promotes, with It is compared and the invention have the advantage that
1, the sandwich node in space taking sleeve pipe corrective measure compares conventional node, reduces difficulty of construction, shortens and execute The work cycle, ensure that construction quality.
2, compare general sandwich node, take sleeve pipe corrective measure to block the viscous of core space reinforcing bar part and concrete Knot, reduces beam and indulges the load that muscle is incoming, reduces being cut and deforming of core space further, improves its stress of sandwich node Energy.
3, weaken beam action due to sleeve pipe, therefore the concrete strength of beam slab can be properly increased in construction so that Between such sandwich node beam column, strength grade difference meets code requirement.Compensate in conventional node and general sandwich node construction The deficiency existed.
Accompanying drawing explanation
Fig. 1 is the space sandwich node schematic diagram taking sleeve pipe corrective measure.
Fig. 2 is the space sandwich node concrete schematic diagram taking sleeve pipe corrective measure.
Fig. 3 is the space sandwich joint reinforcing bar schematic diagram taking sleeve pipe corrective measure.
Fig. 4 is to connect node schematic diagram.
Fig. 5 is sandwich node beam column arrangement of reinforcement plane graph.
Fig. 6 is column section profile.
Fig. 7 is beam section profile.
Fig. 8 core space beam section profile.
Fig. 9 is sandwich node lower plate muscle arrangement of reinforcement plane.
Figure 10 is sandwich node upper plate muscle arrangement of reinforcement plane.
Figure 11 is sandwich node schematic diagram.
Figure 12 is sandwich joint cores beam tendon bush design sketch.
Figure 13 is sleeve pipe detail drawing.
Figure 14 is to overlap pipe-reinforced sectional side elevation detail drawing.
Figure 15 is sleeve pipe-bar cross section detail drawing.
Figure 16 is column tie-bar schematic diagram.
Figure 17 is beam stirrup schematic diagram.
In figure: 1-beams of concrete, 2-concrete column, 3-concrete core district, 4-concrete slab, 5-beam indulge muscle, 6-beam hoop Muscle, 7-post indulge muscle, 8-column tie-bar, 9-node stirrup, 10-upper plate muscle, 11-lower plate muscle, 12 sleeve pipes.
Detailed description of the invention
The preferred forms of the present invention is described in detail below in conjunction with technical scheme and accompanying drawing:
Taking sleeve pipe to improve method and the construction technology of Seismic Behavior, its construction is manufactured as follows, is embodied as Time, the scantling of the sandwich node in space of sleeve pipe corrective measure the most according to actual needs is got beam ready and is indulged muscle (5), beam stirrup (6), post indulges reinforcing bar and the beams of concretes such as muscle (7), column tie-bar (8), node stirrup (9), upper plate muscle (10), lower plate muscle (11) (1), the concrete such as concrete column (2), concrete core district (3), concrete slab (4).
Early stage machine-shaping phase is carried out according to beam stirrup (6), column tie-bar (8), the accompanying drawing pattern 16,17 of node stirrup (9) The stirrup answered.Pattern 13, section Figure 14, cross section Figure 15 process sleeve pipe reinforcing bar with reference to the accompanying drawings.
Assembling reinforcement.Make test specimen formwork for placing according to accompanying drawing 2,5,6, with steel wire, post is indulged muscle according to accompanying drawing 3,5,6 (7), the beam-ends lower rebar such as column tie-bar (8), node stirrup (9) carry out colligation, wherein column tie-bar (8) spacing is 80mm, node Stirrup (9) spacing is 87.5mm.Then colligation is cased with the beam of sleeve pipe (12) and indulges muscle (5), beam stirrup (6), and it is double that its central sill indulges muscle (5) Layer is arranged, beam stirrup (6) spacing 80mm.It is arranged colligation, wherein according to 9,10 pairs of upper plate muscle (10) of accompanying drawing, lower plate muscle (11) Each plate muscle is all mutually orthogonal with beam-ends direction.
The end portion of c60 high model concreting concrete column (2) that will get ready, fully shakes with concussion utensil Smash.And then by the c30 low model concreting beams of concrete (1) got ready, concrete core district (3), concrete slab (4), The most fully vibrate, with instrument wiping tablet face, after treating the bottom concrete initial sets such as beam slab, upper newel post is indulged muscle (7), post Stirrup (8) carries out colligation formwork, continues the concrete column (2) being not fully complete with high model concreting upper end afterwards.
Until the test specimen concrete curing phase, expired i.e. available the taked sleeve pipe of form removable that carries out afterwards improves shock resistance The sandwich node in space of energy.
Taking the way only sleeve pipe material difference of PVC sleeve pipe, steel pipe sleeve pipe, remaining construction technology is as mentioned above.
Claims (7)
Priority Applications (1)
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CN201610500544.3A CN106049687A (en) | 2016-06-29 | 2016-06-29 | Spatial sandwich joint for improving anti-seismic performance through casing pipes and construction method |
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CN201610500544.3A CN106049687A (en) | 2016-06-29 | 2016-06-29 | Spatial sandwich joint for improving anti-seismic performance through casing pipes and construction method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107587630A (en) * | 2017-09-05 | 2018-01-16 | 山东绿昱建筑科技有限公司 | A kind of lightweight aggregate partition wall and its with main body simultaneously construction technology |
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CN201362891Y (en) * | 2009-03-03 | 2009-12-16 | 华丰建设股份有限公司 | Beam column node core area structure of different concrete varieties |
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CN204645273U (en) * | 2015-04-01 | 2015-09-16 | 淮海工学院 | A kind of prestressing force Self-resetting concrete space frame node |
CN204850069U (en) * | 2015-08-12 | 2015-12-09 | 四川省建筑设计研究院 | Prefabricated beam column connected node among assembled concrete building |
CN105239676A (en) * | 2015-10-30 | 2016-01-13 | 华南理工大学 | Reinforcement structure for frame beam column joint and construction method thereof |
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2016
- 2016-06-29 CN CN201610500544.3A patent/CN106049687A/en not_active Application Discontinuation
Patent Citations (8)
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JP2009121083A (en) * | 2007-11-13 | 2009-06-04 | Takenaka Komuten Co Ltd | Precast beam-column connection structure |
CN201362891Y (en) * | 2009-03-03 | 2009-12-16 | 华丰建设股份有限公司 | Beam column node core area structure of different concrete varieties |
CN101831958A (en) * | 2010-04-30 | 2010-09-15 | 河北理工大学 | Reinforced concrete frame node |
JP2013019200A (en) * | 2011-07-12 | 2013-01-31 | Okabe Co Ltd | Buckling restrained brace |
CN202298969U (en) * | 2011-09-15 | 2012-07-04 | 南京盛圆土木工程高科技有限公司 | Anti-seismic and anchor-increasing reinforced structure of reinforced concrete beam |
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CN204850069U (en) * | 2015-08-12 | 2015-12-09 | 四川省建筑设计研究院 | Prefabricated beam column connected node among assembled concrete building |
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CN107587630A (en) * | 2017-09-05 | 2018-01-16 | 山东绿昱建筑科技有限公司 | A kind of lightweight aggregate partition wall and its with main body simultaneously construction technology |
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Application publication date: 20161026 |
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