CN109372266A - A kind of assembly method of interlayer cantilevered concrete truss formula building - Google Patents
A kind of assembly method of interlayer cantilevered concrete truss formula building Download PDFInfo
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- CN109372266A CN109372266A CN201810950010.XA CN201810950010A CN109372266A CN 109372266 A CN109372266 A CN 109372266A CN 201810950010 A CN201810950010 A CN 201810950010A CN 109372266 A CN109372266 A CN 109372266A
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- 239000004567 concrete Substances 0.000 title claims abstract description 175
- 239000011229 interlayer Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000010410 layer Substances 0.000 claims abstract description 98
- 238000010276 construction Methods 0.000 claims abstract description 43
- 230000001413 cellular effect Effects 0.000 claims abstract description 15
- 239000011178 precast concrete Substances 0.000 claims description 24
- 210000003205 muscle Anatomy 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 13
- 238000005253 cladding Methods 0.000 claims description 11
- 239000011381 foam concrete Substances 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 12
- 238000013461 design Methods 0.000 description 8
- 238000010008 shearing Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000009408 flooring Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000003781 tooth socket Anatomy 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 241000272517 Anseriformes Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 244000144992 flock Species 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- 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
- E04B1/34—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The present invention relates to a kind of assembly methods of interlayer cantilevered concrete truss formula building, include the following steps: (1) basis arrangement；(2) shear wall is connected with basis, lifts the concrete truss of the second layer, is connected between multiple rows of concrete truss by precast beam integral；The shear wall of concrete truss and the second layer is fixedly connected, then hoisting prefabricated floor, it is fixedly connected with the concrete truss of the second layer and/or shear wall；So assembly predetermined number of layers makes the oblique up assembly of building constitute an overhanging unit, and the one end on the overhanging unit upper layer overhangs preset distance with respect to its adjacent lower, and the other end takes in preset distance, and the shear wall connection of neighbouring setting is integral；(3) overhanging of the second overhanging of assembly unit, the concrete truss of two neighbouring overhanging units is contrary and constitutes firm cellular construction；(4) assembly of multiple firm cellular constructions is completed.
Description
Technical field
The invention belongs to the assembly sides that building engineering field more particularly to a kind of interlayer cantilevered concrete truss formula are built
Method.
Background technique
In the major premise that land resource that China can be used in urban construction is limited, population constantly increases, urbanization accelerates
Under, the soil that downtown area can be sent out is fewer and fewer, and the rare degree in the especially superior location in big city is particularly evident, on the contrary
, city is but rising steadily to housing demand, therefore low-density residential buildings form has been not suitable for surviving in China city, and high
Layer agglomerated residence has obtained broad development with the advantage of its higher plot ratio.It is low at home in most of more developed city
The villa house of density often build Outskirts of City or outer suburbs location in, and people gradually have found Suburban Life mode during house
Facing the Space Quality of inhabitation and travel to and fro between residence time cost and lack improve life it is mating between contradiction.Cause
This, in order to solve the contradiction of comfort and convenience, the agglomerated residence of villadom has been increasingly becoming as real estate market high-end product
New lover.This kind of house is located at downtown prime location mostly, and the function distribution of villa house is imitated on Size Dwelling Design, and has
" hanging garden ", occupant, which stays indoors, can get close to nature；Plane figure design can also be optimized, possessed as villa a
The inhabitation atmosphere of property secret；Along with the full landscape balcony etc. towards Urban Parks or waters, therefore praised by real estate developers
For " the aerial villa " in city.To a certain extent, it is equivalent to villa house ensemble, extends to aerial, " guide look crowd
Mountain is small " imposing manner to be sometimes villa incomparable.
Villa embodies a kind of natural life style as a kind of high-quality house, more representative of inhabitation culture and
Spirit becomes the best inhabitation selection of people's good life needs, and price is high, remote, mating uneven congruence of living all is general
The logical people are difficult to the major reason received to it.And the soil and construction cost of aerial villa and common high residential building are suitable, enjoy
By villa quality and occupy downtown prime location, be the house of new generation that people go after like a flock of ducks, demand crowd will not
It is only limitted to the elite crowd of booming income again, but ruck and middle class, the scale of construction of the market demand is than present high level
House is bigger, not only contains the demand crowd of existing high residential building, will also include a part of existing villa demand crowd.Therefore
As the high-end house in down town, demand is very wide in central U.S. villa.
Summary of the invention
The object of the present invention is to provide a kind of structure novels, assembly efficiency height, and villa house ensemble simultaneously extends to aerial
Interlayer cantilevered concrete truss formula building assembly method.
Above-mentioned purpose is to be achieved through the following technical solutions: a kind of assembly side of interlayer cantilevered concrete truss formula building
Method, the interlayer cantilevered concrete truss formula building include vertical load-bearing main body and overhanging outside the vertical load-bearing main body
Cantilever part, which is characterized in that the assembly method of interlayer cantilevered concrete truss formula building includes the following steps:
(1) basis arrangement；
The assembly of (2) first overhanging units: the shear wall of first layer being lifted in place, shear wall is connected with basis, institute
Shear wall bidirectional arrangements are stated within the scope of the vertical load-bearing main body；Temporary support is set up in first layer, lifts the pre- of the second layer
Floor and concrete truss processed, precast floor slab are fixedly connected with concrete truss and/or shear wall, precast floor slab with by concrete
Truss is longitudinally arranged multiple rows of, connected between multiple rows of concrete truss by precast beam it is integral, the concrete truss it is upper
Chord member laterally outward overhangs with respect to lower boom one end, and one end is laterally inwardly taken in；The shear wall for lifting the second layer, by concrete purlin
The shear wall of frame and the second layer is fixedly connected, and the precast floor slab of third layer is then lifted, by the concrete of itself and the second layer
Truss and/or shear wall are fixedly connected；Third layer and the 4th layer are assembled with above-mentioned steps, so assembly predetermined number of layers, which makes to build, is in
Skewed up assembly constitutes an overhanging unit, and the one end on the overhanging unit upper layer is predetermined with respect to the overhanging of its adjacent lower
Distance, the other end take in preset distance, and the shear wall connection of neighbouring setting is integral；
(3) second overhanging units assembly: step (2) assembly first overhanging unit top according to step (2) after
Continuous the second overhanging of assembly unit, the overhanging of the concrete truss of two neighbouring overhanging units is contrary and constitutes firm
The shear wall of cellular construction, firm cellular construction is continuously arranged and is connected from bottom to top along interlayer cantilevered concrete truss formula building
It is integral；
(4) step (3) continues up construction along building central axes mirror image afterwards, completes the dress of multiple firm cellular constructions
Match.
Cantilever part described herein refers to the part overhang outside vertical load-bearing main body, and vertical load-bearing main body is specifically
Refer to and bears building structure self weight and vertical additional load, mobile load and the structure position that it is successively transferred to basis.
Two adjacent overhanging units constitute a firm cellular construction in the building structure of this method assembly, consolidate unit
Structure is triangle rock-steady structure, this building structure can be made of multiple firm cellular constructions, and whole building is in broken line type, is mixed
The solidifying every overhanging unit increments overhanging of soil truss, the number of plies of each overhanging unit can be set according to specific actual conditions, if every layer outstanding
Choose 2.1 meters, then 4 layers overhang 8.4m altogether, cantilever part, which is formed on one, day, under have the balcony space on ground, reach villa
Function can plant trees etc. above, and the function distribution of villa house is imitated on Size Dwelling Design, and villa house ensemble extends
To aerial, occupant, which stays indoors, can be got close to naturally, can also optimize plane figure design, and individual character private is possessed as villa
Close inhabitation atmosphere, forms aerial villa；Experiment proves that this cantilevered structure can satisfy structure safety and requirement.
Specifically, this building is in the floor direction taken in upwards, every layer of upper space be it is open, have day in formation, to
The upper direction for being incremented by overhanging, every layer of lower space be it is unobstructed, be down ground, one side house type of every floor has a direction
There is day on being, can be planted, garden is formed, and the aerial villa of the general top grade is 2 layer of one family, then the trees of first layer
Plant can be more than that layer is high, reach the second layer, make 2 layers of function of enjoying garden villa.Concrete truss is as building
The main load-carrying member of main structure can replace prefabricated post and wallboard to use, the pure solid concrete of truss weight ratio of use
Gently, advantageous to the economy and antidetonation of structure entirety, and a large amount of concrete and bar material can be saved, truss can be conducive to room
Between between connection, in forming chamber can be changed large space, reach the large space function of villa.
This structure is main vertical load-bearing and horizontal anti-seismic component by fabricated shear wall, every first floor from shear wall
Overhang one layer of assembling truss structure out, the assembling truss structure of this layer overhanging not only undertakes the load of this floor, also undertakes
The load of next level plate, so that upper one layer of flooring forms a large space without vertical supporting, to form real nothing
The changeable space of any obstruction.The structure adapts to the different numbers of plies depending on the quantity and size of shear wall and resists different grades of
Earthquake load.
Further technical solution is overhanging direction and vertical direction uniform cloth of the shear wall along overhanging unit
It sets.The shear wall being arranged in length and breadth undertake respectively X to seismic force and Y-direction seismic force, form two-way Lateral Resistant System, building structure
The anti-seismic performance of system is more preferable.
Further technical solution is that the four corners of the vertical load-bearing main body are arranged in the shear wall, described perpendicular
The shear wall for being mutually perpendicular to and being fixedly connected is included at least to each corner of load-bearing main body.In this way, being primarily subjected to the perpendicular of load
Structure to load-bearing main body is more firm, and orthogonal shear wall mutually supports, and makes the outer stress performance of the plane of wallboard more preferable,
The rigidity and anti-twisting property of two-way Lateral Resistant System deadlight are reinforced.It will be appreciated by those skilled in the art that herein
Shear wall mainly reinforces building structure, therefore in the case where considering economy, under conditions of meeting construction standards requirement,
It should be that a certain number of above-mentioned shear walls are set in the suitable position of the structural system.
Further technical solution be further include the assembly of stair, every layer of stair and the coagulation in the step (2)
Native truss assembles together, and the internal partition wall of interlayer cantilevered concrete truss formula building can be pacified after major structure of construction completion
Dress, can also successively construct together with major structure of construction, successively install；Cladding panel can after main structure body is fully finished, then
It is lifted, or construction hangs the plug-in of first layer to the 3rd layer to the cladding panel of second layer lifting first layer, or construction
Plate forms cladding panel and main body and is staggered beat construction.
Further technical solution is, in the step (2) and step (3), the shear wall setting is vertically held described
The four corners of weight main body, each corner of the vertical load-bearing main body include at least the shearing for being mutually perpendicular to and being fixedly connected
Wall.In this way, the structure for being primarily subjected to the vertical load-bearing main body of load is more firm, orthogonal shear wall is mutually supported, and is allowed
The outer stress performance of the plane of wallboard is more preferable, and the rigidity and anti-twisting property of two-way Lateral Resistant System deadlight are reinforced.Ability
Field technique personnel should be appreciated that shear wall herein mainly reinforces building structure, therefore in the case where considering economy,
Meet construction standards require under conditions of, it may be that in the suitable position of the structural system, a certain number of above-mentioned shearings are set
Wall.
Further technical solution is that the concrete truss includes concrete frame and is arranged in the concrete frame
Interior concrete support, the concrete frame include vertical web member, and concrete frame is separated into multiple by the vertical web member
Polygon frame, the both ends of the concrete support are connected to the angle steel joint of the polygon frame.
It should be noted that concrete frame is separated by vertical web member when the frame of concrete frame is non-bevelled
The both ends of multiple quadrilateral frames, the concrete branch are connected to the angle steel joint of the quadrilateral frame, when concrete frame
When a certain frame is bevel edge, then one of them polygon frame being separated to form is triangle frame, triangle frame is interior, and no setting is required
Concrete support.
Further technical solution is, in the step (2) and step (3), by bilevel floor and same layer
Concrete truss is connected, wherein upper layer floor is overlapped and is fixed on the top boom of the concrete truss, the spelling of lower layer's floor
Side is connect equipped with notch and convex block, the convex block is overlapped and is fixed on the lower boom, the web member setting of the concrete truss
In the notch.
In this way, the truss structure of interlayer overhanging, since two layers of floor requires to be supported on this layer of truss, then floor
The mode of being tapped to can be taken to connect, be exactly that upper plate is directly shelved if being tapped to, lower plate is made into side tooth socket shape and shelves, and makes full use of mixed
The design feature of solidifying soil truss, and it is equipped with notch and convex block in the splicing side of precast floor slab, precast floor slab is taken in assembling process
It connects and is fixedly connected with the two while on concrete truss, bottom and the concrete frame phase of vertical web member, concrete support
Part even can be then accommodated in the notch, and precast floor slab delivers load to concrete truss.
Further technical solution, which is that the lower boom is equipped with, stretches out muscle, and the convex block of the precast floor slab is equipped with jack hole,
The stretching muscle is worn in the step (2) and step (3) and connects the jack hole, is perfused with grouting material in the jack hole.
Further technical solution is that in the assembling process of internal partition wall, the vacancy position in the concrete truss is filled out
Fill foamed concrete or sound insulationg board.In this way, internal partition wall is then formed by filling-foam concrete or sound insulation plate girder, it is specific to assemble
The prefabricated rear mode installed can be used in foamed concrete in the process, and the mode poured can also be used and fill, triangle sound insulationg board is then
Self threading pin or nailing can be used to connect with precast concrete truss element.
Further technical solution is that the top boom and lower boom are equipped with the first built-in fitting, the concrete support
Including diagonal brace, the both ends of the diagonal brace are equipped with the second built-in fitting, and first built-in fitting and the second built-in fitting are detachably connected.
In this way, can then remove in the place that building does not need setting, mode changes relatively flexibly, and if desired later period house type is changed,
Want to get through in certain several room, under the premise of meeting structure stress, can be supported with dismantling concrete, directly formation large space.
Further technical solution is that first built-in fitting and the second built-in fitting include at least connecting plate, the company
Fishplate bar is equipped with threaded connection hole, and first built-in fitting and the second built-in fitting are bolted.In this way, assembly and disassembly is simple
Just, and connection is reliable.
Further technical solution is, in place step (2), by the precast concrete truss elements of multiple horizontal splicings
It is spliced into concrete truss, wherein the top of the precast concrete truss element, which is equipped with, stretches out stirrup, and level is spliced prefabricated
Cast-in-place formation concealed beam is overlapped at the top of concrete truss unit and connects to form entirety.In this way, precast concrete truss element component
It is smaller relatively light, it is readily transported and lifts, by being assembled into monolithic concrete truss in assembling process, globality is relatively
Good, installation effectiveness is high.Cantilever part will form top tension, the component of lower compression when overhanging, then precast truss frame component can
Stirrup is stretched out at top, it is cast-in-place by overlapping to scene, one of concealed beam is formed at top, keeps truss-like integral, and top
It can tension.
Further technical solution is that the precast concrete truss element is triangular structure, two precast concretes
The bevel edge of truss element is spliced to form truss module, multiple horizontally-spliced composition concrete truss of truss module.In this way, the triangle
Shape component can form standard module, can largely produce without make-to-order, and directly assembly when having demand has weldering
It connects, be bolted two ways and form entirety, this concrete truss cellular manufacture mould standard, modularization are high-efficient.
Further technical solution is, precast concrete truss element is equipped with built-in connection, outside the built-in connection
For dew to the splicing side of the precast concrete truss element, the built-in connection welding mutually spliced is integral.
Further technical solution is that the precast concrete truss element uses mortise-tenon joint, and what is mutually spliced is prefabricated
The mortise-tenon joint portion of concrete truss unit is equipped with vertical jack hole, wears to connect muscle and wear and connects the vertical jack hole and will be disposed adjacent
The connection of precast concrete truss element is integral.
Further technical solution is, in the step (2), the shear wall and concrete truss are passed through presstressed reinforcing steel
Connection, wherein the shear wall and concrete truss are equipped with prestressing force and wear muscle hole, and the prestressing force of the two wears muscle hole and is connected,
The presstressed reinforcing steel is worn muscle hole and is fixed by tension ground tackle through described.
Further technical solution is that notch is equipped at the top of the concrete truss, and the precast beam is equipped with jack hole, institute
Concrete truss is stated equipped with connector, the top of the precast beam is equipped with recess, in the step (2) and step (3), will described in
The both ends of precast beam are overlapped on respectively in the notch at the top of the two rows of concrete truss being disposed adjacent, the jack hole and institute
Recess connection is stated, the connector is passed through into the jack hole and is protruded into the recess, fastener is set in the recess, and will
Fastener is connected with the connector.
The present invention passes through the connector being inserted into the jack hole of precast beam and fastener for concrete truss and precast beam
Effective dry type connection is formed, in assembling process, after concrete truss is vertical good, it is only necessary to will in the hoisting process of precast beam
The lapping ends of precast beam make connector be inserted into wearing in the precast beam in the notch that concrete truss is arranged in
It connects in hole and recess, is then fastened by fastener, above structure is conducive to power between concrete truss and precast beam
Conduction, while greatly improving field erected efficiency, improve construction speed.
Further technical solution is that the connector is screw rod, and the fastener is nut, one end anchor of the screw rod
Gu the other end, which is worn, connects the nut in the concrete truss.
Further technical solution is to be perfused with grouting material in the jack hole and recess.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.
Fig. 1 is the structural schematic diagram of the building of interlayer cantilevered concrete truss formula involved in one embodiment of the present invention；
Fig. 2 is the Facad structure signal of the building of interlayer cantilevered concrete truss formula involved in one embodiment of the present invention
Figure；
Fig. 3 is that interlayer cantilevered concrete truss formula involved in one embodiment of the present invention builds first layer shearing wall paper
Set structural schematic diagram；
Fig. 4 is that interlayer cantilevered concrete truss formula involved in one embodiment of the present invention builds second layer precast floor slab
Arragement construction schematic diagram；
Fig. 5 is that interlayer cantilevered concrete truss formula involved in one embodiment of the present invention builds second layer shearing wall paper
Set structural schematic diagram；
Fig. 6 is that interlayer cantilevered concrete truss formula involved in one embodiment of the present invention builds the second layer concrete purlin
Frame arragement construction schematic diagram；
Fig. 7 is for interlayer cantilevered concrete truss formula building concrete truss involved in one embodiment of the present invention and in advance
The arragement construction schematic diagram of beam processed；
Fig. 8 is that interlayer cantilevered concrete truss formula involved in one embodiment of the present invention builds third layer precast floor slab
Arragement construction schematic diagram；
Fig. 9 is the structural schematic diagram after the assembly is completed of an overhanging unit involved in one embodiment of the present invention；
Figure 10 is the structural schematic diagram of a firm unit after the assembly is completed involved in one embodiment of the present invention；Meaning
Figure；
Figure 11~15 are the structural schematic diagram of concrete truss involved in one embodiment of the present invention；
Figure 16 is the front of the connecting node of concrete truss involved in one embodiment of the present invention and precast floor slab
Schematic diagram；
Figure 17 is the cross-sectional view of the connecting node of concrete truss involved in Figure 16 and precast floor slab；
Figure 18 is the attachment structure schematic diagram of concrete truss and shear wall involved in one embodiment of the present invention；Figure
19 and Figure 20 is respectively the Finite element analysis results figure under a kind of embodiment.
In figure:
1 concrete truss, 2 precast beam, 3 precast floor slab, 4 concrete truss unit
5 built-in connections 7 overhang 8 shear wall of unit
9 top boom, 10 lower boom, 11 concrete frame, 12 first built-in fitting
Vertical 15 concrete support of web member, 16 notch of 13 second built-in fitting 14
17 convex block, 18 presstressed reinforcing steel, 19 tension ground tackle, 20 foamed concrete
The 21 bolts 22 stretching stretching stirrup 24 of muscle 23, which is worn, connects muscle
25 vertical 26 cantilever part of load-bearing main body, 27 bases
Specific embodiment
Present invention will now be described in detail with reference to the accompanying drawings., the description of this part be only it is exemplary and explanatory, do not answer
There is any restriction effect to protection scope of the present invention.In addition, description of the those skilled in the art according to this document, it can be right
Feature in this document in embodiment and in different embodiments carries out the corresponding combination.
The embodiment of the present invention is as follows, referring to Fig.1~10, a kind of assembly method of interlayer cantilevered concrete truss formula building,
The interlayer cantilevered concrete truss formula building includes vertical load-bearing main body 25 and overhanging outside the vertical load-bearing main body 25
The assembly method of the cantilever part 26 in portion, the interlayer cantilevered concrete truss formula building includes the following steps:
(1) basis 27 is arranged；
The assembly of (2) first overhanging units 7: the shear wall 8 of first layer is lifted in place, by shear wall 8 and basic 27 phases
Even, 8 bidirectional arrangements of shear wall are in vertical 25 range of load-bearing main body；Temporary support is set up in first layer, lifting the
Two layers of precast floor slab 3 and concrete truss 1, precast floor slab 3 is fixedly connected with concrete truss 1 and/or shear wall 8, prefabricated
Floor 3 with concrete truss 1 is longitudinally arranged multiple rows of, between multiple rows of concrete truss 1 by precast beam 2 connect it is integral,
The top boom 9 of the concrete truss 1 laterally outward overhangs with respect to 10 one end of lower boom, and one end is laterally inwardly taken in；Lifting the
Concrete truss 1 and the shear wall 8 of the second layer are fixedly connected by two layers of shear wall 8, then lift the prefabricated of third layer
It is fixedly connected by floor 3 with the concrete truss 1 of the second layer and/or shear wall 8；Third layer and the are assembled with above-mentioned steps
Four layers, so assembling predetermined number of layers makes oblique up assemble of building constitute an overhanging unit 7, on the overhanging unit 7
One end of layer overhangs preset distance with respect to its adjacent lower, and the other end takes in preset distance, the shearing of neighbouring setting
Wall 8 connects integral；
The assembly of (3) second overhanging units 7: the top of unit 7 is overhang according to step (2) the first of step (2) assembly
Continue assembly the second overhanging unit 7, the overhanging of the concrete truss 1 of neighbouring two overhangings unit 7 is contrary and structure
At firm cellular construction, the shear wall 8 for consolidating cellular construction builds continuous cloth from bottom to top along interlayer cantilevered concrete truss formula
It sets and connects integral；
(4) step (3) continues up construction along building central axes mirror image afterwards, completes the dress of multiple firm cellular constructions
Match.
Cantilever part 26 described herein, which refers to, overhangs part outside vertical load-bearing main body 25, and vertical load-bearing main body 25
It specifically refers to bear building structure self weight and vertical additional load, mobile load and the structure position that it is successively transferred to basis 27.
Two adjacent overhanging units 7 constitute a firm cellular construction in the building structure of this method assembly, consolidate single
Meta structure is triangle rock-steady structure, this building structure can be made of multiple firm cellular constructions, and whole building is in broken line type,
The every overhanging unit 7 of concrete truss 1 is incremented by overhanging, and the number of plies of each overhanging unit 7 can be set according to specific actual conditions, if often
2.1 meters of layer overhanging, then 4 layers overhang 8.4m altogether, cantilever part 26, which is formed on one, day, under have the balcony space on ground, reach
The function of villa can plant trees etc. above, the function distribution of villa house be imitated on Size Dwelling Design, by villa house set
Change, extend in the air, occupant stays indoors to get close to naturally, can also optimize plane figure and design, and gathers around as villa
There is the inhabitation atmosphere of individual character secret, forms aerial villa；Experiment proves that this cantilevered structure can satisfy structure safety and use
It is required that.
Specifically, this building is in the floor direction taken in upwards, every layer of upper space be it is open, have day in formation, to
The upper direction for being incremented by overhanging, every layer of lower space be it is unobstructed, be down ground, one side house type of every floor has a direction
There is day on being, can be planted, garden is formed, and the aerial villa of the general top grade is 2 layer of one family, then the trees of first layer
Plant can be more than that layer is high, reach the second layer, make 2 layers of function of enjoying garden villa.Concrete truss 1 is used as building
The main load-carrying member of main structure can replace prefabricated post and wallboard to use, the pure solid concrete of truss weight ratio of use
Gently, advantageous to the economy and antidetonation of structure entirety, and a large amount of concrete and bar material can be saved, truss can be conducive to room
Between between connection, in forming chamber can be changed large space, reach the large space function of villa.
This structure is main vertical load-bearing and horizontal anti-seismic component, every alternating floor from shear wall 8 by fabricated shear wall 8
Building overhangs a floor assembling truss structure out, and the assembling truss structure of this layer overhanging not only undertakes the load of this floor, also holds
The load of next level plate is carried on a shoulder pole, so that upper one layer of flooring forms a large space without vertical supporting, to be formed real
Changeable space without any obstruction.It is different with resistance etc. that the structure adapts to the different numbers of plies depending on the quantity and size of shear wall 8
The earthquake load of grade.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 3~10, the shear wall 8 is along overhanging unit
7 overhanging direction and vertical direction are evenly arranged.The shear wall 8 being arranged in length and breadth undertake respectively X to seismic force and Y-direction earthquake
Power, forms two-way Lateral Resistant System, and the anti-seismic performance of architectural structure system is more preferable.
It further include the assembly of stair on the basis of above-described embodiment, in another embodiment of the present invention, in the step (2),
Every layer of stair assemble together with the concrete truss 1, and the internal partition wall of interlayer cantilevered concrete truss formula building can built
Main structure is installed after completing, and can also successively be constructed together with major structure of construction, is successively installed；Cladding panel can tied
It after structure main body is fully finished, then is lifted, or construction is arrived to the cladding panel of second layer lifting first layer, or construction
The 3rd layer of cladding panel for hanging first layer, forms cladding panel and main body is staggered beat construction.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 3~10, the step (2) and step (3)
In, the four corners of the vertical load-bearing main body 25, each corner of the vertical load-bearing main body 25 is arranged in the shear wall 8
Including at least the shear wall 8 for being mutually perpendicular to and being fixedly connected.In this way, being primarily subjected to the structure of the vertical load-bearing main body 25 of load more
Be it is firm, the mutually support of orthogonal shear wall 8 makes the outer stress performance of the plane of wallboard more preferable, in two-way Lateral Resistant System
The rigidity and anti-twisting property of wallboard are reinforced.It will be appreciated by those skilled in the art that shear wall 8 herein is mainly to building
Building structure is reinforced, therefore in the case where considering economy, under conditions of meeting construction standards requirement, it may be that in the structural body
It is that a certain number of above-mentioned shear walls 8 are arranged in suitable position.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 11, the concrete truss 1 includes coagulation
The native concrete support 15 frame 11 and be arranged in the concrete frame 11, the concrete frame 11 include vertical web member
14, concrete frame 11 is separated into multiple polygon frames, the both ends connection of the concrete support 15 by the vertical web member 14
In the angle steel joint of the polygon frame.
It should be noted that vertical web member 14 is by concrete frame 11 when the frame of concrete frame 11 is non-bevelled
Multiple quadrilateral frames are separated into, the both ends of the concrete branch are connected to the angle steel joint of the quadrilateral frame, work as concrete
When a certain frame of frame 11 is bevel edge, then one of them polygon frame for being separated to form is triangle frame, in triangle frame
No setting is required concrete support 15.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 16 and Figure 17, the step (2) and step
(3) in, bilevel floor is connected with the concrete truss 1 of same layer, wherein upper layer floor is overlapped and is fixed on described
On the top boom 9 of concrete truss 1, the splicing side of lower layer's floor is equipped with notch 16 and convex block 17, and the overlap joint of convex block 17 is simultaneously solid
It is scheduled on the lower boom 10, the web member of the concrete truss 1 is arranged in the notch 16.
In this way, the truss structure of interlayer overhanging, since two layers of floor requires to be supported on this layer of truss, then floor
The mode of being tapped to can be taken to connect, be exactly that upper plate is directly shelved if being tapped to, lower plate is made into side tooth socket shape and shelves, and makes full use of mixed
The design feature of solidifying soil truss 1, and it is equipped with notch 16 and convex block 17 in the splicing side of precast floor slab 3, it will be prefabricated in assembling process
The two is fixedly connected by floor 3 while being overlapped on concrete truss 1, vertical web member 14, concrete support 15 bottom with
The connected part of concrete frame 11 can be then accommodated in the notch 16, and precast floor slab 3 delivers load to concrete truss
1。
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 17, the lower boom 10, which is equipped with, stretches out muscle
22, the convex block 17 of the precast floor slab 3 is equipped with jack hole, wears the stretching muscle 22 in the step (2) and step (3) and meets institute
Jack hole is stated, is perfused with grouting material in the jack hole.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 12, in the assembling process of internal partition wall, in institute
State vacancy position filling-foam concrete 20 or the sound insulationg board in concrete truss 1.In this way, by filling-foam concrete 20 or
Sound insulation plate girder then forms internal partition wall, and the prefabricated rear mode installed can be used in foamed concrete 20 in specific assembling process, can also
It is filled by the way of pouring, triangle sound insulationg board then can be used self threading pin or nailing and connect with precast concrete truss element 4.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 11, the top boom 9 and lower boom 10 are equal
Equipped with the first built-in fitting 12, the concrete support 15 includes diagonal brace, and the both ends of the diagonal brace are equipped with the second built-in fitting 13, institute
It states the first built-in fitting 12 and the second built-in fitting 13 is detachably connected.In this way, can then be torn open in the place that building does not need setting
It removes, mode changes relatively flexibly, and if desired later period house type is changed, want to get through in certain several room, before meeting structure stress
It puts, 15, directly formation large space can be supported with dismantling concrete.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 11, first built-in fitting 12 and second is pre-
Embedded part 13 includes at least connecting plate, and the connecting plate is equipped with threaded connection hole, and first built-in fitting 12 and second is pre-buried
Part 13 is connected by bolt 21.In this way, assembly and disassembly is easy, and connect reliable.
It,, will be more in place step (2) such as Figure 13 and Figure 14 in another embodiment of the present invention on the basis of above-described embodiment
The precast concrete truss element 4 of a horizontal splicing is spliced into concrete truss 1, wherein the precast concrete truss element 4
Top be equipped with and stretch out stirrup 23, overlap cast-in-place formation concealed beam at the top of the precast concrete truss element 4 of level splicing and connect
It is formed whole.In this way, 4 component of precast concrete truss element is smaller relatively light, is readily transported and lifts, pass through in assembling process by
It is assembled into monolithic concrete truss 1, and globality is relatively preferable, and installation effectiveness is high.Cantilever part 26 will form top when overhanging
Tension, the component of lower compression, then precast truss frame component can stretch out stirrup 23 at top, it is cast-in-place by overlapping to scene,
One of concealed beam is formed on top, keeps truss-like integral, and top can tension.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 14, the precast concrete truss element 4
For triangular structure, the bevel edge of two precast concrete truss elements 4 is spliced to form truss module, and multiple truss modules are laterally spelled
It connects and constitutes concrete truss 1.In this way, the triangular member can form standard module, it can largely produce, have without make-to-order
It is directly assembled when demand, there are welding, bolt 21 to connect two ways and form entirety, this concrete truss unit 4 is raw
Mould standard, modularization are produced, it is high-efficient.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 14, precast concrete truss element 4 is equipped with
Built-in connection 5, the splicing side of the built-in connection 5 precast concrete truss element 4, what is mutually spliced is pre-
Bury connector 5 weld it is integral.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 15, the precast concrete truss element 4
Using mortise-tenon joint, the mortise-tenon joint portion of the precast concrete truss element 4 mutually spliced is equipped with vertical jack hole, wears and connects muscle 24
Wear connect the vertical jack hole precast concrete truss element 4 being disposed adjacent is connected it is integral.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 18, in the step (2), by the shearing
Wall 8 is connect with concrete truss 1 by presstressed reinforcing steel 18, wherein the shear wall 8 is equipped with prestressing force with concrete truss 1
Muscle hole is worn, the prestressing force of the two wears muscle hole and is connected, and the presstressed reinforcing steel 18 wears muscle hole and by tension ground tackle 19 through described
It is fixed.
On the basis of above-described embodiment, in another embodiment of the present invention, notch, institute are equipped at the top of the concrete truss 1
Precast beam 2 is stated equipped with jack hole, the concrete truss 1 is equipped with connector, and the top of the precast beam 2 is equipped with recess, described
In step (2) and step (3), the both ends of the precast beam 2 are overlapped on the two rows of concrete truss 1 being disposed adjacent respectively
In the notch at top, the jack hole is connected to the recess, and the connector is passed through the jack hole and protrudes into the recess
In, fastener is set in the recess, and fastener is connected with the connector.
The present invention by insertion precast beam 2 jack hole in connector and fastener by concrete truss 1 with it is prefabricated
Beam 2 forms effective dry type connection, in assembling process, after concrete truss 1 is vertical good, it is only necessary in the lifting of precast beam 2
In journey by the lapping ends of precast beam 2 in the notch that concrete truss 1 is set, while making connector insertion described prefabricated
It in jack hole and recess in beam 2, is then fastened by fastener, above structure is conducive to concrete truss 1 and pre-
The conduction of power between beam 2 processed, while field erected efficiency is greatly improved, improve construction speed.
On the basis of above-described embodiment, in another embodiment of the present invention, the connector is screw rod, and the fastener is spiral shell
Mother, one end of the screw rod are anchored in the concrete truss 1, and the other end, which is worn, connects the nut.
On the basis of above-described embodiment, in another embodiment of the present invention, grouting material is perfused in the jack hole and recess.
A kind of calculating verification result under embodiment is as follows, as follows through finite element analysis computation verification result, such as Figure 19 institute
Show, as seen from the figure, depth of building is 16 layers (total 48m high), the accumulative level of (seismic force is larger) under 8 degree of area's geological processes
Displacement is 28.5mm, and every layer of horizontal displacement is about 1.8mm (28.5/16=1.8), and story drift is 1/1666 (1.8/
3000, wherein 3000mm is that layer is high), less than the limit value of 1/1200 angle of displacement most stringent of in assembled high-level structure, meet anti-
Shake requires.
As shown in figure 20, vertical displacement of the overhanging part under vertical load and earthquake load is up to 59.4mm, overhangs
Total distance is 24m, and the deflection limit value of cantilever member is 2*24000/400=120mm, and vertical maximum displacement is less than deflection limit value,
Therefore the cantilevered structure can satisfy structure safety and requirement.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of assembly method of interlayer cantilevered concrete truss formula building, the interlayer cantilevered concrete truss formula building include
The cantilever part of vertical load-bearing main body and overhanging outside the vertical load-bearing main body, which is characterized in that the interlayer overhanging
The assembly method of concrete truss formula building includes the following steps:
(1) basis arrangement；
The assembly of (2) first overhanging units: the shear wall of first layer being lifted in place, shear wall is connected with basis, described to cut
Power wall bidirectional arrangements are within the scope of the vertical load-bearing main body；Temporary support is set up in first layer, lifts the prefabricated building of the second layer
Plate and concrete truss, precast floor slab are fixedly connected with concrete truss and/or shear wall, precast floor slab with by concrete truss
It is longitudinally arranged multiple rows of, integral, the top boom of the concrete truss is connected between multiple rows of concrete truss by precast beam
Opposite lower boom one end laterally outward overhangs, and one end is laterally inwardly taken in；Lift the second layer shear wall, by concrete truss with
The shear wall of the second layer is fixedly connected, and the precast floor slab of third layer is then lifted, by the concrete truss of itself and the second layer
And/or shear wall is fixedly connected；Third layer and the 4th layer are assembled with above-mentioned steps, so assembly predetermined number of layers makes to build inclined
Shape, which up assembles, constitutes an overhanging unit, and the one end on the overhanging unit upper layer overhangs pre- spacing with respect to its adjacent lower
From the other end takes in preset distance, and the shear wall connection of neighbouring setting is integral；
The assembly of (3) second overhanging units: continue to fill according to step (2) in the top of the first overhanging unit of step (2) assembly
With the second overhanging unit, the overhanging of the concrete truss of two neighbouring overhanging units is contrary and constitutes firm unit
The shear wall of structure, firm cellular construction is continuously arranged from bottom to top and is connected into whole along interlayer cantilevered concrete truss formula building
Body；
(4) step (3) continues up construction along building central axes mirror image afterwards, completes the assembly of multiple firm cellular constructions.
2. the assembly method of interlayer cantilevered concrete truss formula building according to claim 1, which is characterized in that the step
It suddenly further include the assembly of stair in (2), every layer of stair assemble together with the concrete truss, interlayer cantilevered concrete truss
The internal partition wall of formula building can be installed after major structure of construction completion, can also successively apply together with major structure of construction
Work is successively installed；Cladding panel can be after main structure body be fully finished, then is lifted, or construction is lifted to the second layer
The cladding panel of first layer is hung in the cladding panel of first layer, or construction to the 3rd layer, forms cladding panel and main body is staggered beat construction.
3. the assembly method of interlayer cantilevered concrete truss formula building according to claim 1, which is characterized in that the step
Suddenly in (2) and step (3), the four corners of the vertical load-bearing main body, the vertical load-bearing main body is arranged in the shear wall
Each corner include at least the shear wall that is mutually perpendicular to and is fixedly connected.
4. the assembly method of interlayer cantilevered concrete truss formula building according to claim 3, which is characterized in that described mixed
The concrete support that soil truss includes concrete frame and is arranged in the concrete frame is coagulated, the concrete frame includes
Concrete frame is separated into multiple polygon frames, the both ends connection of the concrete support by vertical web member, the vertical web member
In the angle steel joint of the polygon frame.
5. the assembly method of interlayer cantilevered concrete truss formula building according to claim 4, which is characterized in that the step
Suddenly in (2) and step (3), bilevel floor is connected with the concrete truss of same layer, wherein upper layer floor overlaps simultaneously
It is fixed on the top boom of the concrete truss, the splicing side of lower layer's floor is equipped with notch and convex block, and the convex block overlap joint is simultaneously
It is fixed on the lower boom, the web member of the concrete truss is arranged in the notch.
6. the assembly method of interlayer cantilevered concrete truss formula building according to claim 5, which is characterized in that under described
Chord member, which is equipped with, stretches out muscle, and the convex block of the precast floor slab is equipped with jack hole, by the stretching in the step (2) and step (3)
Muscle, which is worn, connects the jack hole, is perfused with grouting material in the jack hole.
7. the assembly method of interlayer cantilevered concrete truss formula building according to claim 2, which is characterized in that internal partition wall
Assembling process in, vacancy position filling-foam concrete or sound insulationg board in the concrete truss.
8. the assembly method of interlayer cantilevered concrete truss formula building according to claim 1, which is characterized in that place step
Suddenly in (2), the precast concrete truss element of multiple horizontal splicings is spliced into concrete truss, wherein the concrete
The top of native truss element, which is equipped with, stretches out stirrup, overlaps cast-in-place formation concealed beam at the top of the precast concrete truss element of level splicing
And it connects and to form entirety.
9. the assembly method of interlayer cantilevered concrete truss formula building according to claim 8, which is characterized in that the step
Suddenly in (2), the shear wall is connect with concrete truss by presstressed reinforcing steel, wherein the shear wall and concrete truss
It is equipped with prestressing force and wears muscle hole, the prestressing force of the two wears muscle hole and is connected, and the presstressed reinforcing steel is worn muscle hole and passed through through described
Tension ground tackle is fixed.
10. the assembly method of interlayer cantilevered concrete truss formula building according to claim 9, which is characterized in that described
Notch is equipped at the top of concrete truss, the precast beam is equipped with jack hole, and the concrete truss is equipped with connector, described prefabricated
The top of beam is equipped with recess, in the step (2) and step (3), the both ends of the precast beam is overlapped on respectively described adjacent
In notch at the top of two rows of concrete truss of setting, the jack hole is connected to the recess, and the connector is passed through institute
It states jack hole to protrude into the recess, fastener is set in the recess, and fastener is connected with the connector.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810950010.XA CN109372266B (en) | 2018-08-20 | 2018-08-20 | Assembling method of interlayer overhanging concrete truss type building |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810950010.XA CN109372266B (en) | 2018-08-20 | 2018-08-20 | Assembling method of interlayer overhanging concrete truss type building |
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| CN1621645A (en) * | 2005-01-05 | 2005-06-01 | 王治国 | Villa type building |
| CN101200916A (en) * | 2007-11-29 | 2008-06-18 | 浙江精工钢结构有限公司 | Construction method of prestressed suspension type building structure |
| CN106869402A (en) * | 2017-04-06 | 2017-06-20 | 广州秉正工程检测有限公司 | Assembly concrete component and its manufacture method |
| CN107401214A (en) * | 2016-11-21 | 2017-11-28 | 淮阴工学院 | A kind of installation method of assembled architecture |
| CN206815666U (en) * | 2017-03-31 | 2017-12-29 | 中民筑友科技投资有限公司 | A kind of connecting node of multilayer wallboard and wallboard and floor |
| CN207553612U (en) * | 2017-03-31 | 2018-06-29 | 中民筑友科技投资有限公司 | It is a kind of for the wallboard of low layer assembled architecture and the combined member of frame |
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2018
- 2018-08-20 CN CN201810950010.XA patent/CN109372266B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1621645A (en) * | 2005-01-05 | 2005-06-01 | 王治国 | Villa type building |
| CN101200916A (en) * | 2007-11-29 | 2008-06-18 | 浙江精工钢结构有限公司 | Construction method of prestressed suspension type building structure |
| CN107401214A (en) * | 2016-11-21 | 2017-11-28 | 淮阴工学院 | A kind of installation method of assembled architecture |
| CN206815666U (en) * | 2017-03-31 | 2017-12-29 | 中民筑友科技投资有限公司 | A kind of connecting node of multilayer wallboard and wallboard and floor |
| CN207553612U (en) * | 2017-03-31 | 2018-06-29 | 中民筑友科技投资有限公司 | It is a kind of for the wallboard of low layer assembled architecture and the combined member of frame |
| CN106869402A (en) * | 2017-04-06 | 2017-06-20 | 广州秉正工程检测有限公司 | Assembly concrete component and its manufacture method |
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