CN110080290A - A kind of assembled vault is greatly across no column underground structure - Google Patents
A kind of assembled vault is greatly across no column underground structure Download PDFInfo
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- CN110080290A CN110080290A CN201910330288.1A CN201910330288A CN110080290A CN 110080290 A CN110080290 A CN 110080290A CN 201910330288 A CN201910330288 A CN 201910330288A CN 110080290 A CN110080290 A CN 110080290A
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- China
- Prior art keywords
- laminate
- side wall
- prefabricated component
- vault
- underground structure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/04—Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
Abstract
The invention belongs to underground engineering construction applications, it is related to a kind of assembled vault greatly across no column underground structure, including building enclosure, vault laminate, the first laminate and the first side wall, vault laminate and the first laminate are equipped in building enclosure, the two sides on the first laminate are equipped with the first side wall；Vault laminate includes vault laminate in-situ layer and two arc arch bar prefabricated components being connected, and one end that two arc arch bar prefabricated components are away from each other is connect with two the first side walls respectively；Vault laminate in-situ layer has been poured on first side wall, between arc arch bar prefabricated component and the first side wall, on two arc arch bar prefabricated components and between two arc arch bar prefabricated components.Assembled underground structure of the invention builds good visual effect；Iterative structure is formed by partial precast part and in-situ layer, the temporary facilities such as part field formwork, erecting scaffold can be removed from, saves the duration, and the waterproof performance and holistic resistant behavior of assembled underground structure can be effectively improved.
Description
Technical field
The invention belongs to underground engineering building technology fields, and in particular to a kind of assembled vault is tied across no column underground greatly
Structure.
Background technique
Cut and cover tunneling at present has the underground structure of inner support foundation pit using traditional monolithic reinforced concrete structure
Construction technology, design process is complicated, heavy workload；The labour of a large amount of multiplexing kind is needed during site operation, construction is made
Industry environment is poor, and working procedure is complicated, and speed of application is slow, is influenced by various weather, weather big, and construction quality is difficult to ensure.Together
When can also generate much discarded building waste in the construction process, not only waste of resource but also polluted environment.Cast-in-place concrete structure
Construction control is irregular, completes after constructing often because various reasons cause concrete structure appearance or inherence often to occur
Various mass defects, later period reparation difficulty is big, and quality is difficult to ensure.
With advances in technology, the development of equipment manufacture, industrial upgrading transition, more and more work are substituted by machine
Manpower, high-tech replace labour-intensive, automatic control equipment to replace manual control.It is various required for building engineering field
Component (beam, plate, column, wall) will be gradually in factory's mass production, and the scene of then transporting carries out assembled completion.
With the development of assembled technology, also there is the design of part assembled, construction technical schemes successively in underground structure,
It is few and use slope or anchor cable (bar) open type open-cut foundation ditch that some are only applicable to underground water, is not suitable for foundation pit using interior branch
It supports, the area of rich groundwater；Some only locally use fabricated construction, and assembly degree is not high, and assembly efficiency is low；And it is conventional
There is column underground structure, the underground space visual field is not open.
Summary of the invention
In order to overcome the shortcomings of the prior art described above, the object of the present invention is to provide a kind of assembled vaults greatly across nothing
Column underground structure can effectively solve the problem that underground fabricated construction waterproof problem and issues of structural integrity, preferably realize and build
Vision is built without column large space effect.
To achieve the above object, the technical scheme is that a kind of assembled vault is greatly across no column underground structure, including
Building enclosure, vault laminate, the first laminate and the first side wall, the building enclosure is interior to be equipped with vault laminate and the first laminate, institute
It states the two sides on the first laminate and is equipped with the first side wall；The vault laminate include vault laminate in-situ layer and be connected two
A arc arch bar prefabricated component, one end that two arc arch bar prefabricated components are away from each other are connect with two the first side walls respectively；First side
On wall, between arc arch bar prefabricated component and the first side wall, on two arc arch bar prefabricated components and two arc arch bar prefabricated components
Between poured vault laminate in-situ layer.
Further, two arc arch bar prefabricated components are on same arcwall face.
As an implementation, first side wall include the first side wall prefabricated component, the first side wall prefabricated component with
The first side wall in-situ layer has been poured between the building enclosure and between the first side wall prefabricated component and first laminate；
The arc arch bar prefabricated component is connect with the top of the first side wall prefabricated component.
As another embodiment, first side wall includes the first side wall prefabricated component, the first side wall prefabricated component
The cast-in-place linkage section of the first side wall has been poured between first laminate.
Further, the top of the first side wall prefabricated component is equipped with matches with the end face of the arc arch bar prefabricated component
Faying surface.
Further, the lower section of first laminate is equipped with the second laminate, and the two sides on second laminate are equipped with the
Two side walls, the both ends of first laminate are respectively arranged on two the second side walls of two sides.
As an implementation, second side wall include the second side wall prefabricated component, the second side wall prefabricated component with
The second side wall in-situ layer has been poured between the building enclosure and between the second side wall prefabricated component and second laminate.
As another embodiment, second side wall includes the second side wall prefabricated component, the second side wall prefabricated component
Bottom and second laminate between poured the cast-in-place linkage section of the second side wall.
Further, second laminate is equipped with central post, and the central post is equipped with middle stringer, the first layer
It is set in the middle part of plate on the middle stringer.
As an implementation, first laminate includes the first laminate in-situ layer and two the first laminate prefabricated components,
The both ends of each first laminate prefabricated component be respectively arranged on middle stringer and one of them second side wall prefabricated component on, it is described
The first laminate in-situ layer has been poured on second side coping, the top of middle stringer and the first laminate prefabricated component.
As another embodiment, first laminate includes two the first laminate prefabricated components, and first laminate is pre-
One end of product is placed on the second side wall, and the other end is placed on middle stringer, has poured first between two the first laminate prefabricated components
The cast-in-place linkage section of laminate.
Further, the lower section of second laminate is equipped with concrete cushion, second laminate and the concrete mats
Construction has waterproof layer between layer.
Further, second laminate is reinforced concrete cast-in-situ layer；Or second laminate includes two second
Prefabricated component in layer side prefabricated component and the second laminate being set between two the second layer side prefabricated components, second laminate
The cast-in-place linkage section of the second laminate has been poured between middle prefabricated component and the second layer side prefabricated component.
Further, the second layer side prefabricated component is equipped with the first groove, institute away from the side of the building enclosure
Side opposite with first groove on prefabricated component in the second laminate is stated equipped with the second groove, the cast-in-place connection of the second laminate
Section is between first groove and second groove.
Compared with prior art, the invention has the following advantages:
(1) top of the assembled vault provided by the invention greatly across no column underground structure uses vault laminate, realizes vault without column
Large space effect, vault finishing building good visual effect；
(2) assembled vault provided by the invention is applied widely across no column underground structure greatly, passes through prefabricated component and in-situ layer shape
At iterative structure, the temporary facilities such as part field formwork, erecting scaffold can be removed from, save the duration, and can effectively improve
The waterproof performance and holistic resistant behavior of assembled underground structure；
(3) assembled vault provided by the invention uses reasonable component segment partition scheme across no column underground structure greatly, can reduce
The size and weight of single prefabricated component, so that the scene that the size and weight of prefabricated components can adapt to support foundation pit is hung
Dress, assembled requirement, while being convenient for the transport of prefabricated component, and can preferably realize industrialization promotion application；
(4) connection of the assembled vault provided by the invention side wall prefabricated component greatly across no column underground structure and laminate prefabricated component
The junction of junction and laminate prefabricated component and middle stringer between place, laminate prefabricated component is all made of cast-in-place " wet node ", is filled
Waterproofness, good integrity with formula underground structure；
(5) assembled vault provided by the invention has preform sizes standardization across no column underground structure greatly, reduces design work
It measures, improves production efficiency, promote construction quality, can preferably realize industrialization, save labour, save template and scaffold
Deng, shorten the construction period, energy-saving and environmental protection the advantages that.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is structural schematic diagram of the assembled vault that provides of the embodiment of the present invention one greatly across no column underground structure；
Fig. 2 is structural schematic diagram of the assembled vault that provides of the embodiment of the present invention one greatly across no column underground structure；
Fig. 3 is the signal of the connection structure of the first laminate in-situ layer provided by Embodiment 2 of the present invention and the first side wall prefabricated component
Figure；
Fig. 4 is the partial structural diagram of the first laminate in-situ layer provided by Embodiment 2 of the present invention；
Fig. 5 is the partial structural diagram of the first side wall prefabricated component provided by Embodiment 2 of the present invention；
Fig. 6 is the schematic diagram of the connection structure for two the first laminate prefabricated components that the embodiment of the present invention three provides；
Fig. 7 is the top view of the connection structure for two the first laminate prefabricated components that the embodiment of the present invention three provides；
Fig. 8 is the partial structural diagram for the first laminate prefabricated component that the embodiment of the present invention three provides；
Fig. 9 is the partial structural diagram for the first laminate prefabricated component that the embodiment of the present invention three provides；
In figure: 1, building enclosure, 2, crown beam, 4, concrete cushion, 5, reinforced concrete cast-in-situ layer, 6, central post, 7, middle stringer,
8, the second side wall prefabricated component, the 9, second side wall in-situ layer, the 10, first laminate prefabricated component, the 11, first laminate in-situ layer, 12, first
Side wall prefabricated component, the 13, first side wall in-situ layer, 14, arc arch bar prefabricated component, 15, vault laminate in-situ layer, 16, backfill,
20, the first U-shaped muscle, the 21, first positioning member, the 22, second U-shaped muscle, the 23, second positioning member, the 24, first transverse steel, 25,
Second transverse steel, 26, top main reinforcement, 27, additional transverse steel bars, 28, dowel, the 29, first vertical drawknot ledges, 30, second
Vertical drawknot ledges, 31, water sealing structure, 32, top longitudinal reinforcement, 33, lower part longitudinal reinforcement, 34, lower part main reinforcement, 35, additional vertical
To reinforcing bar；36, the second layer side prefabricated component, prefabricated component in the 37, second laminate, the 38, second cast-in-place linkage section of laminate, 39, neutral
The cast-in-place linkage section of column, the 40, second cast-in-place linkage section of side wall, the 41, first cast-in-place linkage section of laminate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more of the features；In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or
It is more than two.
Embodiment one
As shown in Figs. 1-2, the present embodiment provides a kind of assembled vaults greatly across no column underground structure, including building enclosure 1, vault
Laminate, the first laminate and the first side wall, building enclosure 1 is interior to be equipped with vault laminate and the first laminate, and the two sides on the first laminate are equal
Equipped with the first side wall；Vault laminate includes vault laminate in-situ layer 15 and two arc arch bar prefabricated components 14 being connected, and two
One end that a arc arch bar prefabricated component 14 is away from each other is connect with two the first side walls respectively；On first side wall, arc arch bar it is prefabricated
Arch has been poured between part 14 and the first side wall, on two arc arch bar prefabricated components 14 and between two arc arch bar prefabricated components 14
Top plate in-situ layer 15.The top of the underground structure of the present embodiment uses vault laminate, realizes vault without column large space effect, arch
Top finishing building good visual effect；And iterative structure is formed by prefabricated component and in-situ layer, part field formwork, frame can be removed from
If temporary facilities such as scaffolds, save the duration, and can effectively improve assembled underground structure waterproof performance and it is whole by
Power performance.
Further, two arc arch bar prefabricated components 14 are on same arcwall face.As shown in Figs. 1-2, by by two arcs
Shape arch bar prefabricated component 14 be lifted into behind construction site again it is assembled form dome shape, the size and again of prefabricated component can be reduced
Amount, convenient for the transport, lifting and assembly of prefabricated component.
As an implementation, the first side wall include the first side wall prefabricated component 12, the first side wall prefabricated component 12 with go along with sb. to guard him
The first side wall in-situ layer 13 is poured between structure 1 and between the first side wall prefabricated component 12 and the first laminate, so that the first side
Wall prefabricated component 12 and the first side wall in-situ layer 13 form iterative structure, improve the globality and waterproof performance of structure, reduce pre-
The size and weight of product are easy to lift and assembled；Arc arch bar prefabricated component 14 and the top of the first side wall prefabricated component 12 connect
It connects.The bottom of the first side wall prefabricated component 12 of the present embodiment can cooperate realization fixed by the built-in fitting on built-in fitting and the first laminate
Position and fixed, the top of the first side wall prefabricated component 12 is fixed by built-in fitting and building enclosure 1, then using the first laminate the bottom of as
Mould, is side form with building enclosure 1 and the first side wall prefabricated component 12, and casting concrete forms the first side wall in-situ layer 13.As another
A kind of embodiment, the first side wall include the first side wall prefabricated component 12, are poured between the first side wall prefabricated component 12 and the first laminate
There is the cast-in-place linkage section of the first side wall, is linked to be the first side wall prefabricated component 12 with the first laminate by the cast-in-place linkage section of the first side wall whole
Body, identical as the type of attachment of the second side wall prefabricated component 8 and the cast-in-place linkage section 40 of the second side wall in Fig. 2, arc arch bar is prefabricated
Part 14 is connect with the top of the first side wall prefabricated component 12.Furthermore, it is possible to which the position of corresponding first side wall is first applied in building enclosure 1
Work waterproof layer improves waterproof performance, then completes the construction of the first side wall.
Further, as shown in Figs. 1-2, the top of the first side wall prefabricated component 12 is equipped with and arc arch bar prefabricated component 14
The faying surface that end face matches improves assembly efficiency so as to the assembly of arc arch bar prefabricated component 14 and the first side wall prefabricated component 12,
It accelerates construction progress.The location structure to match can be set on arc arch bar prefabricated component 14 and faying surface, improve location efficiency.
Further, the lower section of the first laminate is equipped with the second laminate, and the two sides on the second laminate are equipped with the second side wall, the
The both ends of one laminate are respectively arranged on two the second side walls of two sides.
As an implementation, second side wall includes the second side wall prefabricated component 8, the second side wall prefabricated component 8 and institute
It states between building enclosure 1, poured the second side wall in-situ layer 9 between the second side wall prefabricated component 8 and second laminate, the
Two side wall prefabricated components 8 and the second side wall in-situ layer 9 form iterative structure, can reduce the size and weight of prefabricated component, be convenient for
Lifting and assembly；The bottom of the second side wall prefabricated component 8 of the present embodiment can be matched by built-in fitting and the built-in fitting on the second laminate
It closes and realizes positioning and fix, the top of the second side wall prefabricated component 8 is fixed by built-in fitting and building enclosure 1, then with second
Laminate is bed die, is side form with building enclosure 1 and the second side wall prefabricated component 8, and casting concrete forms the second side wall in-situ layer 9.
As another embodiment, second side wall includes the second side wall prefabricated component 8, the bottom of the second side wall prefabricated component 8
The cast-in-place linkage section 40 of the second side wall is poured between second laminate, the second side wall prefabricated component 8 can pass through the pre-buried of bottom
Part is fixed with the second laminate, and the second side wall prefabricated component 8 and the second laminate are linked to be entirety by the cast-in-place linkage section 40 of the second side wall,
Improve the globality and waterproof performance of assembled underground structure.Second side wall of the present embodiment can also be using complete cast-in-place shape
Formula carries out tie with reinforcing bar after-pouring concrete at the construction field (site) and forms the second cast-in-place side wall.Furthermore, it is possible in building enclosure
The position elder generation construction waterproof layer of corresponding second side wall improves waterproof performance on 1, then completes the construction of the second side wall.
Further, as shown in Figure 3-4, the second laminate is equipped with central post 6, and central post 6 is equipped with middle stringer 7, the
It is set in the middle part of one laminate on middle stringer 7, by central post 6 and middle stringer 7 to being supported in the middle part of the first laminate.This reality
Apply stringer 15 in the first central post 14, first of example, in the second central post 6 and second stringer 7 can using cast-in-place form,
It can use preformed patterns, when using prefabricated component form, using when waiting cast-in-place concrete age, complete prefabricated component
It is assembled and fixed, between prefabricated component and prefabricated component by casting concrete formed cast-in-place linkage section two prefabricated components are linked to be it is whole
Body lifts the prefabricated component of the second central post 6, bottom and the second laminate of the second central post 6 are fixed, then second in Fig. 2
Casting concrete forms the cast-in-place linkage section 39 of the second central post between central post 6 and the second laminate, by the second central post 6 and second
Laminate is linked to be entirety.
As an implementation, the first laminate includes the first laminate in-situ layer 11 and two the first laminate prefabricated components 10,
The both ends of each first laminate prefabricated component 10 be respectively arranged on middle stringer 7 and one of them second side wall prefabricated component 8 on, second
The first laminate in-situ layer 11 has been poured on side coping, the top of middle stringer 7 and the first laminate prefabricated component 10.Such as Fig. 1-2
Shown, the top of the second side wall prefabricated component 8, the top of the second side wall in-situ layer 9, the top of middle stringer 7 and the first laminate are pre-
The first laminate in-situ layer 11 has been poured on product 10, by the second side wall prefabricated component 8, the second side wall in-situ layer 9, middle stringer 7 and
First laminate prefabricated component 10 builds up an entirety, reinforced assembly formula underground structure globality and underground structure waterproof performance.Make
For another embodiment, as shown in Fig. 2, first laminate of the present embodiment includes two the first laminate prefabricated components 10, first layer
One end of plate prefabricated component 10 is placed on the second side wall, and the other end is placed on middle stringer 7, is poured between two the first laminate prefabricated components 10
The cast-in-place linkage section 41 of the first laminate is built, as shown in Fig. 2, using existing between the cast-in-place linkage section 41 of the first laminate and building enclosure 1
Pour connection；As the third embodiment, first laminate of the present embodiment can also be using complete cast-in-place form, by second
Bed die is built between side wall and middle stringer 7, assembled steel mesh after-pouring concrete forms the first cast-in-place laminate.
Further, construction has waterproof layer on vault laminate in-situ layer 15, further enhances assembled underground structure
Waterproof performance.
Further, as shown in Figs. 1-2, the lower section of the second laminate is equipped with concrete cushion 4, the second laminate and concrete mats
Construction has waterproof layer between layer 4, improves the waterproof performance of the second laminate.
As another embodiment, second laminate includes two the second layer side prefabricated components 36 and is set to two
Prefabricated component 37 in the second laminate between a second layer side prefabricated component 36, prefabricated component 37 and described second in second laminate
The cast-in-place linkage section 38 of the second laminate has been poured between layer side prefabricated component 36.Second laminate of the present embodiment passes through multistage prefabricated component
Assembled connection is carried out, reduces the size and weight of single prefabricated component, convenient for the transport, lifting and assembly of prefabricated component；And it is adjacent
Prefabricated component between by the cast-in-place connection of casting concrete, improve the globality of structure.Further, as shown in Fig. 2, the second layer
Plate side prefabricated component 36 is equipped with the first groove away from the side of building enclosure 1, in the second laminate on prefabricated component 37 with the first groove phase
Pair side be equipped with the second groove, the cast-in-place linkage section 38 of the second laminate is between first groove and second groove；
First groove of the present embodiment is oppositely arranged with the second groove, so that wide, upper and lower ends among the cast-in-place linkage section 38 of the second laminate
It is narrow, further increase the globality and waterproof performance of assembled underground structure；In addition, being reserved on the second layer side prefabricated component 36
Reinforcing bar stretched out from the first groove, in the second laminate on prefabricated component 37 reserve reinforcing bar stretched out from the second groove, two is prefabricated
The reinforcing bar of part partly overlaps in the cast-in-place linkage section 38 of the second laminate, improves the bonding strength of the cast-in-place linkage section 38 of the second laminate,
Connection between two prefabricated components of others of the present embodiment can also use the arrangement form of this groove and reinforcing bar, such as be used for
The first laminate of cast-in-place 10 form of linkage section of the first laminate is poured between first laminate prefabricated component 10 and the first laminate prefabricated component 10
Connection between prefabricated component 10 and the first laminate prefabricated component 10.In addition, second laminate of the present embodiment can also be using overlapping knot
Structure, the second laminate include two the second laminate prefabricated components, and between two the second laminate prefabricated components and two the second laminates are prefabricated
The second laminate in-situ layer is poured on part, forms iterative structure, it is identical as the structure of the first laminate in Fig. 1, improve assembled
The waterproof performance and structural integrity of underground structure.
The connection of assembled vault provided by the invention the side wall prefabricated component greatly across no column underground structure and laminate prefabricated component
The junction of place and laminate prefabricated component and middle stringer is all made of cast-in-place " wet node ", the waterproofness of assembled underground structure, whole
Body is good.
Assembled vault provided in this embodiment can be also used for other N layers of underground structures across no column underground structure greatly,
The basement one of the present embodiment and the structure type of two layers of underground, the side wall of remainder layer can be respectively adopted in its top and the bottom
And laminate can also be using other laminates of the present embodiment and the structure type of side wall, this will not be detailed here；The present embodiment is adopted
The underground structure built up with reasonable component segment partition scheme and preparatory construction support replacement plate scheme, not by geological conditions, inner support etc.
Limitation solves the problems, such as that open-cut foundation ditch is anti-with the construction prefabricated component lifting of inner support system and assembled difficult and fabricated construction
The problems such as water is poor, globality poor；With the prefabricated components size and construction weight of optimization, the on-site hoisting for having inner support foundation pit is adapted to
It is required with assembly, and can preferably realize industrialization promotion application.Underground structure provided in this embodiment passes through on the outside of prefabricated component
It pours in-situ layer and forms iterative structure, improve the waterproof performance and structural integrity of assembled underground structure, be suitable for city
The main structural engineerings such as Underground Station, basement, pipe gallery.
Embodiment two
As in Figure 3-5, the present embodiment provides the connection structure of a kind of prefabricated component and concrete cast-in-situ layer, it can be used for embodiment
The first side wall in one using iterative structure, the first laminate using the first side wall prefabricated component 12 when complete cast-in-place or iterative structure with
The connection of the cast-in-place laminate of first laminate in-situ layer 11 or the first can be used for the second side wall using iterative structure, the second laminate
Using the second side wall prefabricated component 8 when complete cast-in-place or iterative structure and the second laminate in-situ layer or reinforced concrete cast-in-situ layer 5
Connection；It is now illustrated by taking the connection structure to the first side wall prefabricated component 12 and the first laminate in-situ layer 11 as an example, the first side wall
The connection structure of prefabricated component 12 and the first cast-in-place laminate, the second side wall prefabricated component 8 and the second laminate in-situ layer or armored concrete
The connection structure of in-situ layer 5 is as it, and this will not be detailed here.
The connection structure of first side wall prefabricated component 12 and the first laminate in-situ layer 11, including it is prefabricated for connecting the first side wall
First side wall in-situ layer 13 of part 12 and the first laminate in-situ layer 11 is reserved in the first U-shaped muscle on the first laminate in-situ layer 11
It 20 and reserves in the second U-shaped muscle 22 on the first side wall prefabricated component 12, the two side portions of the first U-shaped muscle 20 protrude into the first laminate
Fixed inside in-situ layer 11, the first laminate in-situ layer 11 is stretched out in the bottom of the first U-shaped muscle 20, and extension elongation is according to preset the
Relative mounting location and lapped length of steel bar between one side wall prefabricated component 12 and the first laminate in-situ layer 11, which calculate, to be required to determine；
The side of second U-shaped muscle 22 partially protrudes into inside the first side wall prefabricated component 12, and the other side of the second U-shaped muscle 22 is located at the first side wall
It is by the two sides of the second U-shaped muscle 22 that first side wall prefabricated component 12 and the first side wall in-situ layer 13 is fixed in in-situ layer 13, simultaneously
The lower end of first U-shaped muscle 20 and the second U-shaped muscle 22 overlapping overlap joint, and the lap-joint of the first U-shaped muscle 20 and the second U-shaped muscle 22 is located at
In first side wall in-situ layer 13, is connected by the first U-shaped muscle 20 with the overlap joint of the second U-shaped muscle 22, not only solve the first side wall
The problem of prefabricated component 12 and the first laminate in-situ layer 11 joint connection in site difficulty, and the first U-shaped muscle 20 and the second U-shaped muscle 22 connect
First laminate in-situ layer 11, the first side wall prefabricated component 12, the first side wall in-situ layer 13, enhance the connecting node of side wall by
Power intensity.
Further, as shown in Figure 4 and Figure 5,12 bottom of the first side wall prefabricated component is equipped with the first positioning member 21, first layer
Plate in-situ layer 11 is equipped with for the second positioning member 23 with the cooperation positioning of the first positioning member 21, passes through the first positioning member
21 position with the connection of the second positioning member 23 to connect to the first side wall prefabricated component 12 with the first laminate in-situ layer 11, have
Effect solves the problems, such as 11 location difficulty of the first side wall prefabricated component 12 and the first laminate in-situ layer.It, can as a kind of implementation
The levelling device matched with the bottom of the first positioning member 21 is set on the second positioning member 23, improves positioning accuracy.This
The positioning of this first positioning member 21 and the second positioning member 23 of embodiment and connection type can be also used for other sides
The positioning and connection of positioning and connection, central post and laminate between wall prefabricated component and laminate and side wall prefabricated component and go along with sb. to guard him knot
The positioning and connection of structure.
Further, the overlapping part of the first positioning member 21 and the first U-shaped muscle 20 and the second U-shaped muscle 22 dislocation arrangement,
The position of first positioning member 21 and the first U-shaped muscle 20, the second U-shaped muscle 22 is independent of each other, and both ensure that the first positioning member 21
To the locating effect of the first side wall prefabricated component 12, but do not influence the first U-shaped muscle 20 and 22 pairs of reinforcement connecting nodes of the second U-shaped muscle by
The effect of power intensity.
Further, the side of the first U-shaped muscle 20 and 22 lap-joint of the second UXing Jin is equipped at intervals with more first lateral steel
Muscle 24, the first transverse steel 24 arrange perpendicular to the first U-shaped muscle 20 and the second U-shaped muscle 22, more first on the first U-shaped muscle 20
Transverse steel 24 and more first transverse steels 24 on the second U-shaped muscle 22 are positioned opposite, pass through setting for the first transverse steel 24
Set, cannot be only used for fixing the first U-shaped muscle 20 and the second U-shaped muscle 22, and can further strengthen the first side wall prefabricated component 12 with
Stress intensity at the connecting node of first laminate in-situ layer 11.In addition, being located at the first side wall prefabricated component on the second U-shaped muscle 22
12 and the first two sides inside side wall in-situ layer 13 on be equipped at intervals with more second transverse steels 25, the second transverse steel 25 hangs down
It is directly arranged in the second U-shaped muscle 22, the first side wall prefabricated component 12 is further strengthened by the second transverse steel 25 and the first side wall is existing
Pour the stress intensity of the connecting node of layer 13.
Further, the first U-shaped muscle 20 and the second U-shaped muscle 22 have more, the extension side along the first transverse steel 24
To arrangement, and the first U-shaped muscle 20 and the second U-shaped muscle 22 are alternately distributed, and more first U-shaped muscle 20 and the second U-shaped muscle 22 are engaged
Overlap joint, further enhances the bonding strength of the first side wall prefabricated component 12 and the first laminate in-situ layer 11.
This connection structure provided in this embodiment, which passes through, is engaged connection between the first U-shaped muscle 20 and the second U-shaped muscle 22, with
And the first connection positioning between positioning member 21 and the second positioning member 23, solve prefabricated component in existing fabricated construction part
The problem of positioning performance difficulty, and strengthen the stress intensity of the connecting node of prefabricated component and concrete cast-in-situ layer；It simultaneously will be pre-
Product pours integral structure by cast-in-place mode with concrete cast-in-situ layer, solves existing fabricated construction part seam crossing leakiness
The problem of water.
The above-mentioned prefabricated component of the present embodiment and the connection structure of concrete cast-in-situ layer can be used for prefabricated component with it is prefabricated
The connection of part, such as when the first side wall adds the cast-in-place company of the first laminate using the first laminate prefabricated component using iterative structure, the first laminate
The connection of first side wall prefabricated component and the first laminate prefabricated component when connecing the form of section, when the second side wall uses iterative structure, second
Second side wall prefabricated component and the second laminate when laminate adds the form of the cast-in-place linkage section of the second laminate using the second layer side prefabricated component
The connection etc. of side prefabricated component, difference, which is only that, replaces with the first laminate prefabricated component for concrete cast-in-situ layer, remaining connection method is not
Become, this will not be detailed here.
Embodiment three
The present embodiment provides the connection structure of a kind of prefabricated component and prefabricated component, the first laminate that can be used in embodiment one is used
Connection when iterative structure between the first laminate prefabricated component 10 and the first laminate prefabricated component 10, when the second laminate uses iterative structure
Connection between second laminate prefabricated component and the second laminate prefabricated component；Two first layers when now using iterative structure with the first laminate
It is illustrated for the connection structure of plate prefabricated component 10, the connection structure of two the second laminate prefabricated components, two vault laminates are pre-
The connection structure of product 16 is same, and this will not be detailed here.
As Figure 6-9, the connection structure of a kind of prefabricated component and prefabricated component is present embodiments provided, two the first laminates are pre-
Between the product 10 and top of two the first laminate prefabricated components 10 has poured the first laminate in-situ layer 11, and two the first laminates are pre-
Steel bar framework is reserved on product 10, steel bar framework includes top main reinforcement 26, lower part main reinforcement 34 and connection top main reinforcement 26
With the dowel 28 of 34 end of lower part main reinforcement, top main reinforcement 26 and lower part main reinforcement 34 are arranged in parallel, and lower part main reinforcement 34 is along first layer
10 extending direction of plate prefabricated component partially protrudes into inside the first laminate prefabricated component 10, and lower part main reinforcement 34 stretches out the first laminate prefabricated component 10
Part and top main reinforcement 26 and dowel 28 are arranged inside the first laminate in-situ layer 11, two the first laminate prefabricated components
10 steel bar framework along main reinforcement extending direction in 11 inner part arranged superposed of the first laminate in-situ layer.The present embodiment passes through to
One laminate prefabricated component 10 tectonic sieving and steel bar framework overlapping overlap joint design, realize two the first laminate prefabricated components 10 it
Between the common stress of iterative structure that is combined with the first laminate in-situ layer 11 of rigid connection and the first laminate prefabricated component 10, protect
The bearing capacity and durability for having demonstrate,proved the connection structure, the connecting sewing for solving existing the first laminate of assembled prefabricated component 9 easily seep
The problem of leak.
Wherein, the bottom junctions of two the first laminate prefabricated components 10 are equipped with water sealing structure 31, as a kind of implementation,
The water sealing structure 31 can be sealing rod.
Further, as Figure 6-9, more top longitudinal reinforcements 32 are equipped with along its axially spaced-apart in top main reinforcement 26,
And top longitudinal reinforcement 32 is arranged perpendicular to top main reinforcement 26, passes through the criss-cross of top longitudinal reinforcement 32 and top main reinforcement 26
It is arranged in inside the first laminate in-situ layer 11, enhances the stress intensity of the first laminate in-situ layer 11.Further, such as Fig. 8 and
Shown in Fig. 9, two 10 bottom internal layers of the first laminate prefabricated component are provided with additional transverse steel bars 27, additional transverse steel bars 27 and
Lower part main reinforcement 34 in one laminate prefabricated component 10 is arranged in parallel, and is equipped with more lower parts along its axially spaced-apart in additional transverse steel bars 27
Longitudinal reinforcement 33 passes through being criss-cross arranged in the first laminate prefabricated component 10 for additional transverse steel bars 27 and lower part longitudinal reinforcement 33
Inside enhances the stress intensity of two the first laminate prefabricated components 10；Meanwhile between additional transverse steel bars 27 and top main reinforcement 26
It is provided with the wavy first vertical drawknot ledges 29, and the wave crest of the first vertical drawknot ledges 29 and trough are connected to top and indulge
It is vertical by first between the first laminate prefabricated component 10 and the first laminate in-situ layer 11 on reinforcing bar 32 and lower part longitudinal reinforcement 33
This construction and arrangement mode of drawknot ledges 29 designs, and strengthens the company of the first laminate prefabricated component 10 and the first laminate in-situ layer 11
Connect intensity, improve the first laminate prefabricated component 10 and the first laminate in-situ layer 11 connect it is integral after bearing capacity.
Specifically, the end face of the connecting side of two vault laminate prefabricated components 10 is angled end-face, one of them first laminate is pre-
The dowel 28 of the wherein side of product 10 is obliquely installed, and the gradient of its dowel 28 and another the first laminate prefabricated component 10
Angled end-face gradient matching, the steel bar framework of the first laminate prefabricated component 10 is in the steel with the first laminate prefabricated component 10 in this way
It may extend to above the angled end-face of another the first laminate prefabricated component 10 when muscle frame overlapping overlap joint, and another first laminate is pre-
The dowel 28 of product 10 does not stretch out outside the dowel 28；And first laminate prefabricated component 10 dowel 28 and top main reinforcement
The second vertical drawknot ledges 30 is equipped between 26, the second vertical drawknot ledges 30 sets for the first vertical 29 extending direction of drawknot ledges of postponing
It sets, strengthens the intensity of the first laminate prefabricated component 10 and the first laminate prefabricated component 10 overlapping lap-joint, found drawknot ledges simultaneously also
It can play the role of framework of steel reinforcement outside fixed prefabricated components.
Further, lower part main reinforcement 34 is equipped with more additional longitudinal reinforcements 35, and additional longitudinal reinforcement 35 is perpendicular to lower part
Main reinforcement 34 is arranged, and additional longitudinal reinforcement 35 is distributed in the first laminate prefabricated component 10 and the first laminate in-situ layer 11, is led to
Cross additional longitudinal reinforcement 35 setting enhance at 11 connecting node of the first laminate prefabricated component 10 and the first laminate in-situ layer by
Power intensity.In addition, as shown in fig. 7, the steel bar framework of two the first laminate prefabricated components 10 can be disposed as multiple, and first layer
The steel bar framework of the steel bar framework of plate prefabricated component 10 and the first laminate prefabricated component 10 is alternately arranged, and further enhances the first laminate
Bonding strength between prefabricated component 10 and the first laminate in-situ layer 11, to improve the first laminate of assembled prefabricated component 10
Connection structure integrated carrying ability.
The prefabricated component of the present embodiment and the connection structure of prefabricated component can be also used for vertical prefabricated component and vertically prefabricated
Part connecting to improve the globality and waterproof performance of structure on the length direction along underground structure, such as can be used for first
Connection, the second side wall prefabricated component 8 between side wall prefabricated component 12 and the first side wall prefabricated component 12 and between the second side wall prefabricated component 8
Connection etc., connection structure and above-mentioned two lateral the first laminate prefabricated components 10 between these vertical prefabricated components
Connection structure is identical, two prefabricated components can be used for template the connection of two side wall prefabricated components, the other side can use
Building enclosure or other systems that can be used as template condition carry out overlapping layers concreting；This will not be detailed here.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (14)
1. a kind of assembled vault is greatly across no column underground structure, it is characterised in that: including building enclosure, vault laminate, first layer
Plate and the first side wall, the building enclosure is interior to be equipped with vault laminate and the first laminate, and the two sides on first laminate are equipped with
First side wall；The vault laminate includes vault laminate in-situ layer and two arc arch bar prefabricated components being connected, two arcs
One end that shape arch bar prefabricated component is away from each other is connect with two the first side walls respectively；On first side wall, arc arch bar prefabricated component and
It is cast-in-place that vault laminate has been poured between one side wall, on two arc arch bar prefabricated components and between two arc arch bar prefabricated components
Layer.
2. a kind of assembled vault as described in claim 1 is greatly across no column underground structure, it is characterised in that: two arc arch bars
Prefabricated component is on same arcwall face.
3. a kind of assembled vault as described in claim 1 is greatly across no column underground structure, it is characterised in that: first side wall
Including the first side wall prefabricated component, between the first side wall prefabricated component and the building enclosure and the first side wall prefabricated component
The first side wall in-situ layer has been poured between first laminate.
4. a kind of assembled vault as described in claim 1 is greatly across no column underground structure, it is characterised in that: first side wall
Including the first side wall prefabricated component, the cast-in-place connection of the first side wall has been poured between the first side wall prefabricated component and first laminate
Section.
5. a kind of assembled vault as described in claim 3 or 4 is greatly across no column underground structure, it is characterised in that: described first
The top of side wall prefabricated component is equipped with the faying surface to match with the end face of the arc arch bar prefabricated component.
6. a kind of assembled vault as described in claim 1 is greatly across no column underground structure, it is characterised in that: first laminate
Lower section be equipped with the second laminate, the two sides on second laminate are equipped with the second side wall, the both ends difference of first laminate
It is set on two the second side walls of two sides.
7. a kind of assembled vault as claimed in claim 6 is greatly across no column underground structure, it is characterised in that: second side wall
Including the second side wall prefabricated component, between the second side wall prefabricated component and the building enclosure and the second side wall prefabricated component
The second side wall in-situ layer has been poured between second laminate.
8. a kind of assembled vault as claimed in claim 6 is greatly across no column underground structure, it is characterised in that: second side wall
Including the second side wall prefabricated component, it is existing that the second side wall has been poured between the bottom of the second side wall prefabricated component and second laminate
Pour linkage section.
9. a kind of assembled vault as claimed in claim 6 is greatly across no column underground structure, it is characterised in that: second laminate
It is equipped with central post, the central post is equipped with middle stringer, is set on the middle stringer in the middle part of first laminate.
10. a kind of assembled vault as claimed in claim 9 is greatly across no column underground structure, it is characterised in that: the first layer
Plate include the first laminate in-situ layer and two the first laminate prefabricated components, one end of each first laminate prefabricated component be set in indulge
Liang Shang, the other end are placed on the second side wall, and second side coping, the top of middle stringer and first laminate are prefabricated
The first laminate in-situ layer has been poured on part.
11. a kind of assembled vault as claimed in claim 9 is greatly across no column underground structure, it is characterised in that: the first layer
Plate includes two the first laminate prefabricated components, and one end of the first laminate prefabricated component is placed on the second side wall, during the other end is placed in
On stringer, the cast-in-place linkage section of the first laminate has been poured between two the first laminate prefabricated components.
12. a kind of assembled vault as claimed in claim 6 is greatly across no column underground structure, it is characterised in that: the second layer
The lower section of plate is equipped with concrete cushion, and construction has waterproof layer between second laminate and the concrete cushion.
13. a kind of assembled vault as claimed in claim 6 is greatly across no column underground structure, it is characterised in that: the second layer
Plate includes prefabricated in two the second layer side prefabricated components and the second laminate being set between two the second layer side prefabricated components
Part has poured the cast-in-place linkage section of the second laminate in second laminate between prefabricated component and the second layer side prefabricated component.
14. a kind of assembled vault as claimed in claim 13 is greatly across no column underground structure, it is characterised in that: the second layer
Plate side prefabricated component is equipped with the first groove away from the side of the building enclosure, with described first on prefabricated component in second laminate
The opposite side of groove is equipped with the second groove, and the cast-in-place linkage section of the second laminate is located at first groove and described second recessed
Between slot.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910330288.1A CN110080290A (en) | 2019-04-23 | 2019-04-23 | A kind of assembled vault is greatly across no column underground structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910330288.1A CN110080290A (en) | 2019-04-23 | 2019-04-23 | A kind of assembled vault is greatly across no column underground structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535471A (en) * | 2020-04-14 | 2020-08-14 | 中铁第四勘察设计院集团有限公司 | Assembly type plate wall connecting joint and construction method thereof |
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