CN209412982U - A kind of interlayer cantilevered concrete truss formula building - Google Patents

Abstract

The utility model relates to a kind of interlayer cantilevered concrete truss formula buildings, including multiple overhanging units setting up and down, the one end for overhanging the upper layer of unit laterally overhangs preset distance with respect to its adjacent lower, the other end takes in preset distance, the overhanging for the overhanging unit being disposed adjacent is contrary, bidirectional arrangements have shear wall in the vertical load-bearing main body, vertically arranged shear wall is continuously arranged from bottom to top and is connected integral along interlayer cantilevered concrete truss formula building entirety, the overhanging unit is longitudinal equipped with multiple rows of concrete truss at interval of one layer, it is connected between multiple rows of concrete truss of same layer by precast beam, precast floor slab is fixedly connected with the concrete truss and/or shear wall, the concrete truss that the shear wall intersects with it is fixedly connected.This building cantilever part, which is formed on one, day, under have the balcony space on ground, reach the function of villa, and every alternating floor forms a large space without vertical supporting, form really changeable space.

Description

A kind of interlayer cantilevered concrete truss formula building

Technical field

The utility model belongs to building engineering field more particularly to a kind of interlayer cantilevered concrete truss formula building.

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.

Utility model content

The purpose of the utility model is to provide a kind of structure novel, assembly efficiency height, villa house ensemble is simultaneously extended to Aerial interlayer cantilevered concrete truss formula building.

Above-mentioned purpose is to be achieved through the following technical solutions: a kind of interlayer cantilevered concrete truss formula building, including multiple Overhanging unit setting up and down, the overhanging unit are multilayered structure, and the one end on the upper layer of the overhanging unit is with respect to its phase Laterally overhanging preset distance, the other end take in preset distance for adjacent lower layer, and the overhanging for the overhanging unit being disposed adjacent is contrary, The interlayer cantilevered concrete truss formula building includes vertical load-bearing main body and overhanging outside the vertical load-bearing main body Cantilever part, bidirectional arrangements have shear wall in the vertical load-bearing main body, and vertically arranged shear wall overhangs concrete along interlayer Truss-like building is whole continuously arrange from bottom to top and connect it is integral, the overhanging unit at interval of one layer it is longitudinal be equipped with it is more Concrete truss is arranged, is connected between multiple rows of concrete truss of same layer by precast beam, precast floor slab and the concrete purlin Frame and/or shear wall are fixedly connected, and the concrete truss that the shear wall intersects with it is fixedly connected.

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.

Adjacent two overhanging units constitute a firm cellular construction in this building structure, and consolidating cellular construction is triangle Shape rock-steady structure, this building structure can be made of multiple firm cellular constructions, and whole building is in broken line type, and concrete truss is every Overhanging unit increments overhanging, the number of plies of each overhanging unit can be set according to specific actual conditions, if every layer overhangs 2.1 meters, that 4 layers overhang 8.4m altogether, and cantilever part, which is formed on one, day, under have the balcony space on ground, reach the function of villa, above may be used Trees etc. are planted, the function distribution of villa house is imitated on Size Dwelling Design, by villa house ensemble, extend to aerial, inhabitation Person stays indoors to get close to naturally, can also optimize plane figure and design, and the inhabitation atmosphere of individual character secret is possessed as villa It encloses, 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 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 that bilevel floor is connected with the concrete truss of same layer, and upper layer floor is taken It connects and 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 is taken It connects and is fixed on the lower boom of the concrete truss, the web member of the concrete truss is arranged 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 can take the side of being tapped to Formula connection, is 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 the knot of concrete truss Structure feature, and it is equipped with notch and convex block in the splicing side of precast floor slab, precast floor slab is overlapped on concrete purlin in assembling process The two is fixedly connected while on frame, vertical web member, the part that the bottom of concrete support is connected with concrete frame then may be used It is accommodated in the notch, 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, which is worn, connects the jack hole, is perfused with grouting material in the jack hole.

Further technical solution is that the vacancy position in the concrete truss is filled with foamed concrete or sound insulation Plate.In this way, then forming internal partition wall by filling-foam concrete or sound insulation plate girder, foamed concrete can in specific assembling process After prefabricated by the way of installation, the mode poured can also be used and fill, self threading pin or nailing then can be used in triangle sound insulationg board It is 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 that the concrete truss includes the precast concrete truss list of multiple horizontal splicings Member, the precast concrete truss element connection are integral.In this way, precast concrete truss element component is smaller relatively light, it is convenient for It transports and lifts, by being assembled into monolithic concrete truss in assembling process, globality is relatively preferable, and installation effectiveness is high.

Further technical solution, which is that the top of the precast concrete truss element is equipped with, stretches out stirrup, level splicing Precast concrete truss element at the top of overlap cast-in-place formation concealed beam and connect to form entirety.

Cantilever part will form top tension, the component of lower compression when overhanging, then precast truss frame component can be at top Stirrup is stretched out, it is cast-in-place by overlapping to scene, one of concealed beam is formed at top, keeps truss-like integral, and top 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 that the shear wall is connect with concrete truss by presstressed reinforcing steel, the shear wall Prestressing force is equipped with concrete truss and wears muscle hole, and the prestressing force of the two wears muscle hole and is connected, and the presstressed reinforcing steel is through described It wears muscle hole and is fixed by tension ground tackle.

Further technical solution is notch to be equipped at the top of the concrete truss, the both ends of the precast beam are taken respectively It connects in the notch at the top of the two rows of concrete truss being disposed adjacent, the concrete truss is equipped with connector, described pre- Beam processed is equipped with jack hole, and the top of the precast beam is equipped with recess, and the jack hole is connected to the recess, and the connector is worn It crosses the jack hole to protrude into the recess, fastener is equipped in the recess, the fastener is connected with the connector.

Connector and fastener in jack hole of the utility model by being inserted into precast beam is by concrete truss and in advance Beam processed forms effective dry type connection, in assembling process, after concrete truss is vertical good, it is only necessary in the hoisting process of precast beam The middle lapping ends by precast beam are inserted into connector in the precast beam in the notch that concrete truss is arranged in Jack hole and recess in, then fastened by fastener, above structure be conducive to concrete truss and precast beam it Between power 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 utility model is used to provide a further understanding of the present invention, this is practical new The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.

Fig. 1 is the structural representation of the building of interlayer cantilevered concrete truss formula involved in a kind of embodiment of the utility model Figure；

Fig. 2 is the Facad structure of the building of interlayer cantilevered concrete truss formula involved in a kind of embodiment of the utility model Schematic diagram；

Fig. 3 is that interlayer cantilevered concrete truss formula involved in a kind of embodiment of the utility model builds the first story shear Wall paper sets structural schematic diagram；

Fig. 4 is that the building second layer of interlayer cantilevered concrete truss formula involved in a kind of embodiment of the utility model is prefabricated Floor arragement construction schematic diagram；

Fig. 5 is that interlayer cantilevered concrete truss formula involved in a kind of embodiment of the utility model builds the second story shear Wall paper sets structural schematic diagram；

Fig. 6 is that interlayer cantilevered concrete truss formula involved in a kind of embodiment of the utility model builds second layer coagulation Native truss arrangement structural schematic diagram；

Fig. 7 is interlayer cantilevered concrete truss formula building concrete truss involved in a kind of embodiment of the utility model With the arragement construction schematic diagram of precast beam；

Fig. 8 is that the building third layer of interlayer cantilevered concrete truss formula involved in a kind of embodiment of the utility model is prefabricated Floor arragement construction schematic diagram；

Fig. 9 is the structural representation after the assembly is completed of an overhanging unit involved in a kind of embodiment of the utility model Figure；

Figure 10 is the structural representation of a firm unit after the assembly is completed involved in a kind of embodiment of the utility model Figure；

It is intended to；

Figure 11~15 are the structural schematic diagram of concrete truss involved in a kind of embodiment of the utility model；

Figure 16 is the connecting node of concrete truss involved in a kind of embodiment of the utility model and precast floor slab Front schematic view；

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 connection structure signal of concrete truss involved in a kind of embodiment of the utility model and shear wall Figure；

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

The utility model is described in detail with reference to the accompanying drawing, the description of this part be only it is exemplary and explanatory, There should not be any restriction effect to the protection scope of the utility model.In addition, those skilled in the art's retouching according to this document It states, the corresponding combination can be carried out to the feature in embodiment in this document and in different embodiments.

The utility model embodiment is as follows, referring to Fig.1~10, a kind of interlayer cantilevered concrete truss formula building, including it is more A overhanging unit 7 setting up and down, the overhanging unit 7 are multilayered structure, and the one end on the upper layer of the overhanging unit 7 is homogeneous To its adjacent lower, laterally overhanging preset distance, the other end take in preset distance, the overhanging side for the overhanging unit 7 being disposed adjacent To on the contrary, interlayer cantilevered concrete truss formula building includes vertical load-bearing main body 25 and overhanging in the vertical load-bearing master Cantilever part 26 outside body 25, bidirectional arrangements have shear wall 8, vertically arranged shear wall 8 in the vertical load-bearing main body 25 It is continuously arranged from bottom to top along interlayer cantilevered concrete truss formula building entirety and connects integral, the overhanging unit 7 every Alternating floor is longitudinally equipped with multiple rows of concrete truss 1, is connected between multiple rows of concrete truss 1 of same layer by precast beam 2, Precast floor slab 3 is fixedly connected with the concrete truss 1 and/or shear wall 8, the concrete purlin that the shear wall 8 intersects with it Frame 1 is fixedly connected.

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.

Adjacent two overhanging units 7 constitute a firm cellular construction in this building structure, and consolidating cellular construction is three Angular rock-steady structure, this building structure can be made of multiple firm cellular constructions, and whole building is in broken line type, concrete truss 1 every overhanging unit 7 is incremented by overhanging, and the number of plies of each overhanging unit 7 can be set according to specific actual conditions, if every layer of overhanging 2.1 Rice, 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, trees etc. can be planted above, and the function distribution that villa house is imitated on Size Dwelling Design extends to villa house ensemble In the air, occupant stays indoors to get close to naturally, can also optimize plane figure and design, and individual character secret is possessed as villa Inhabitation atmosphere, form 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 1 is as building The main load-carrying member of object main structure can replace prefabricated post and wallboard to use, the pure solid concrete of truss weight ratio of use It is light, advantageous to the economy and antidetonation of structure entirety, and can save a large amount of concrete and bar material, truss can be conducive to Connection between room reaches the large space function of villa can be changed large space in forming chamber.

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 utility model, such as Fig. 3~10, the shear wall 8 is along outstanding The overhanging direction and vertical direction for choosing unit 7 are evenly arranged.The shear wall 8 being arranged in length and breadth undertake respectively X to seismic force and Y To seismic force, two-way Lateral Resistant System is formed, the anti-seismic performance of architectural structure system is more preferable.

On the basis of above-described embodiment, in another embodiment of the utility model, such as Fig. 3~10, the shear wall 8 is arranged In the four corners of the vertical load-bearing main body 25, each corner of the vertical load-bearing main body 25, which includes at least, to be mutually perpendicular to simultaneously The shear wall 8 being fixedly connected.In this way, the structure for being primarily subjected to the vertical load-bearing main body 25 of load is more firm, it is orthogonal Shear wall 8 mutually supports, and makes the outer stress performance of the plane of wallboard more preferable, the rigidity of two-way Lateral Resistant System deadlight and antitorque energy Power is reinforced.It will be appreciated by those skilled in the art that shear wall 8 herein mainly reinforces building structure, therefore examining In the case where considering economy, under conditions of meeting construction standards requirement, it may be that be arranged in the suitable position of the structural system A certain number of above-mentioned shear walls 8.

On the basis of above-described embodiment, in another embodiment of the utility model, such as Figure 11, the concrete truss 1 includes Concrete frame 11 and the concrete support 15 being arranged in the concrete frame 11, the concrete frame 11 include vertical Concrete frame 11 is separated into multiple polygon frames, the both ends of the concrete support 15 by web member 14, the vertical web member 14 It is connected to 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 utility model, such as Figure 16 and Figure 17, bilevel floor It is connected with the concrete truss 1 of same layer, upper layer floor is overlapped and is fixed on the top boom 9 of the concrete truss 1, lower layer The splicing side of floor is equipped with notch 16 and convex block 17, and the convex block 17 overlaps and is fixed on the lower boom of the concrete truss 1 On 10, the web member of the concrete truss 1 is arranged in the notch 16.In this way, the truss structure of interlayer overhanging, due to two layers Floor require to be supported on this layer of truss, be exactly that upper plate is direct if being tapped to then floor can take the mode of being tapped to connect It shelves, lower plate is made into side tooth socket shape and shelves, and makes full use of the design feature of concrete truss 1, and in the spelling of precast floor slab 3 It connects side and is equipped with notch 16 and convex block 17, by the two while precast floor slab 3 is overlapped on concrete truss 1 in assembling process Be fixedly connected, vertical web member 14, concrete support 15 the part that is connected with concrete frame 11 of bottom can then be accommodated in it is described In notch 16, precast floor slab 3 delivers load to concrete truss 1.

On the basis of above-described embodiment, in another embodiment of the utility model, such as Figure 17, the lower boom 10, which is equipped with, to be stretched The convex block 17 of muscle 22 out, the precast floor slab 3 is equipped with jack hole, and the stretching muscle 22, which is worn, connects the jack hole, the jack hole In be perfused with grouting material.

On the basis of above-described embodiment, in another embodiment of the utility model, such as Figure 12, in the concrete truss 1 Vacancy position is filled with foamed concrete 20 or sound insulationg board.In this way, passing through filling-foam concrete 20 or the plate girder then shape that insulates against sound At internal partition wall, the prefabricated rear mode installed is can be used in foamed concrete 20 in specific assembling process, and the mode poured can also be used Filling, 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 utility model, such as Figure 11, the top boom 9 and lower boom 10 are equipped with the first built-in fitting 12, and the concrete support 15 includes diagonal brace, and the both ends of the diagonal brace are equipped with the second built-in fitting 13, first built-in fitting 12 and the second built-in fitting 13 are detachably connected.In this way, then may be used in the place that building does not need setting To remove, mode changes relatively flexibly, and if desired later period house type is changed, want to get through in certain several room, meeting structure stress Under the premise of, 15, directly formation large space can be supported with dismantling concrete.

On the basis of above-described embodiment, in another embodiment of the utility model, such as Figure 11, first built-in fitting 12 and Two built-in fittings 13 include at least connecting plate, and the connecting plate is equipped with threaded connection hole, first built-in fitting 12 and second Built-in fitting 13 is connected by bolt 21.In this way, assembly and disassembly is easy, and connect reliable.

On the basis of above-described embodiment, in another embodiment of the utility model, such as Figure 13 and Figure 14, the concrete truss 1 includes the precast concrete truss element 4 of multiple horizontal splicings, and the precast concrete truss element 4 connects integral.Such as This, 4 component of precast concrete truss element is smaller relatively light, is readily transported and lifts, whole by being assembled into assembling process Body concrete truss 1, globality is relatively preferable, and installation effectiveness is high.

On the basis of above-described embodiment, in another embodiment of the utility model, such as Figure 13, the precast concrete truss list The top of member 4, which is equipped with, stretches out stirrup 23, overlaps cast-in-place formation concealed beam and company at the top of the precast concrete truss element 4 of level splicing It connects to form entirety.

Cantilever part 26 will form top tension, the component of lower compression when overhanging, then precast truss frame component can push up Stirrup 23 is stretched out in portion, cast-in-place by overlapping to scene, forms one of concealed beam at top, keeps truss-like integral, and top can Tension.

On the basis of above-described embodiment, in another embodiment of the utility model, such as Figure 14, the precast concrete truss list Member 4 is triangular structure, and the bevel edge of two precast concrete truss elements 4 is spliced to form truss module, and multiple truss modules are horizontal To being spliced to form concrete truss 1.In this way, the triangular member can form standard module, it can be largely raw without make-to-order It produces, directly assembly when having demand has welding, bolt 21 to connect two ways and forms entirety, this concrete truss list First 4 production moulds standardization, modularization, it is high-efficient.

On the basis of above-described embodiment, in another embodiment of the utility model, such as Figure 14, precast concrete truss element 4 Equipped with built-in connection 5, the splicing side of the built-in connection 5 precast concrete truss element 4 is mutually spliced Built-in connection 5 weld it is integral.

On the basis of above-described embodiment, in another embodiment of the utility model, such as Figure 15, the precast concrete truss list Member 4 uses mortise-tenon joint, and the mortise-tenon joint portion of the precast concrete truss element 4 mutually spliced is equipped with vertical jack hole, wears and connect 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 utility model, such as Figure 18, the shear wall 8 and concrete Truss 1 is connected by presstressed reinforcing steel 18, and the shear wall 8 is equipped with prestressing force with concrete truss 1 and wears muscle hole, and the pre- of the two answers Power wears muscle hole and is connected, and the presstressed reinforcing steel 18 is worn muscle hole described in and fixed by tension ground tackle 19.

On the basis of above-described embodiment, in another embodiment of the utility model, it is equipped with and lacks at the top of the concrete truss 1 Mouthful, the both ends of the precast beam 2 are overlapped on respectively in the notch at 1 top of two rows of concrete truss being disposed adjacent, described Concrete truss 1 is equipped with connector, and the precast beam 2 is equipped with jack hole, and the top of the precast beam 2 is equipped with recess, described to wear It connects hole to be connected to the recess, the connector passes through the jack hole and protrudes into the recess, and fastening is equipped in the recess Part, the fastener are connected with the connector.

The utility model by insertion precast beam 2 jack hole in connector and fastener by concrete truss 1 with Precast beam 2 forms effective dry type connection, in assembling process, after concrete truss 1 is vertical good, it is only necessary in hanging for precast beam 2 During dress by the lapping ends of precast beam 2 in the notch that concrete truss 1 is set, while making described in connector insertion It in jack hole and recess in precast beam 2, is then fastened by fastener, above structure is conducive to concrete truss 1 The conduction of power between precast beam 2, while field erected efficiency is greatly improved, improve construction speed.

On the basis of above-described embodiment, in another embodiment of the utility model, the connector is screw rod, the fastener For nut, one end of the screw rod is 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 utility model, it is perfused in the jack hole and recess Slurry.

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 the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the protection scope of the utility model.

Claims (10)

1. a kind of interlayer cantilevered concrete truss formula building, which is characterized in that described including multiple overhanging units setting up and down Overhanging unit is multilayered structure, and the one end on the upper layer of the overhanging unit laterally overhangs preset distance with respect to its adjacent lower, The other end takes in preset distance, and the overhanging for the overhanging unit being disposed adjacent is contrary, the interlayer cantilevered concrete truss Formula building includes the cantilever part of vertical load-bearing main body and overhanging outside the vertical load-bearing main body, the vertical load-bearing master Internal bidirectional arrangements have shear wall, and vertically arranged shear wall connects from bottom to top along interlayer cantilevered concrete truss formula building entirety Continuous to arrange and connect integral, the overhanging unit is longitudinal equipped with multiple rows of concrete truss at interval of one layer, same layer it is more It arranges and is connected between concrete truss by precast beam, precast floor slab is fixedly connected with the concrete truss and/or shear wall, institute The concrete truss that shear wall intersects with it is stated to be fixedly connected.

2. interlayer cantilevered concrete truss formula building according to claim 1, which is characterized in that the concrete truss packet The concrete support for including concrete frame and being arranged in the concrete frame, the concrete frame include vertical web member, Concrete frame is separated into multiple polygon frames by the vertical web member, and the both ends of the concrete support are connected to described polygon The angle steel joint of shape frame.

3. interlayer cantilevered concrete truss formula according to claim 2 building, which is characterized in that bilevel floor with The concrete truss of same layer is connected, and upper layer floor is overlapped and is fixed on the top boom of the concrete truss, lower layer's floor Splicing side be equipped with notch and convex block, the convex block overlaps and is fixed on the lower boom of the concrete truss, the coagulation The web member of native truss is arranged in the notch.

4. interlayer cantilevered concrete truss formula building according to claim 3, which is characterized in that the lower boom, which is equipped with, to be stretched The convex block of muscle out, the precast floor slab is equipped with jack hole, and the stretching muscle, which is worn, connects the jack hole, is perfused in the jack hole Grouting material.

5. interlayer cantilevered concrete truss formula described in any one is built according to claim 1~4, which is characterized in that described Vacancy position in concrete truss is filled with foamed concrete or sound insulationg board.

6. interlayer cantilevered concrete truss formula building according to claim 4, which is characterized in that the top boom and lower edge Bar is equipped with the first built-in fitting, and the concrete support includes diagonal brace, and the both ends of the diagonal brace are equipped with the second built-in fitting, described First built-in fitting and the second built-in fitting are detachably connected.

7. interlayer cantilevered concrete truss formula described in any one is built according to claim 1~4, which is characterized in that described Concrete truss includes the precast concrete truss element of multiple horizontal splicings, and the precast concrete truss element connects into whole Body.

8. interlayer cantilevered concrete truss formula building according to claim 7, which is characterized in that the precast concrete purlin The top of frame unit, which is equipped with, stretches out stirrup, overlaps cast-in-place formation concealed beam and company at the top of the precast concrete truss element of level splicing It connects to form entirety.

9. interlayer cantilevered concrete truss formula building according to claim 7, which is characterized in that the shear wall and coagulation Native truss is connected by presstressed reinforcing steel, and the shear wall and concrete truss are equipped with prestressing force and wear muscle hole, the prestressing force of the two It wears muscle hole to be connected, the presstressed reinforcing steel is worn muscle hole and fixed by tension ground tackle through described.

10. interlayer cantilevered concrete truss formula building according to claim 9, which is characterized in that the concrete truss Top is equipped with notch, and the both ends of the precast beam are overlapped on the notch at the top of the two rows of concrete truss being disposed adjacent respectively Interior, the concrete truss is equipped with connector, and the precast beam is equipped with jack hole, and the top of the precast beam is equipped with recess, institute It states jack hole to be connected to the recess, the connector passes through the jack hole and protrudes into the recess, is equipped in the recess Fastener, the fastener are connected with the connector.