CN110080292A - A kind of assembled integral vault is greatly across no column underground structure - Google Patents
A kind of assembled integral vault is greatly across no column underground structure Download PDFInfo
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- CN110080292A CN110080292A CN201910330868.0A CN201910330868A CN110080292A CN 110080292 A CN110080292 A CN 110080292A CN 201910330868 A CN201910330868 A CN 201910330868A CN 110080292 A CN110080292 A CN 110080292A
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- laminate
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- side wall
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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
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention belongs to underground engineering construction applications, it is related to a kind of assembled integral vault greatly across no column underground structure, including vault laminate, the first laminate, the first side wall and two building enclosures, it is equipped with vault laminate and the first laminate between two building enclosures, is set between the first laminate and vault laminate there are two the first side wall；Vault laminate includes vault laminate in-situ layer and two arc arch bar prefabricated components, and two mutually close one end of arc arch bar prefabricated component are fixed, and the one end being away from each other is individually fixed in two building enclosures；Vault laminate in-situ layer has been poured between arc arch bar prefabricated component and building enclosure, between two arc arch bar prefabricated components and on two arc arch bar prefabricated components.Present invention combination building enclosure forms cast in place and precast construction, adapts to the different construction such as covered back-digging, forms iterative structure by partial precast part and in-situ layer, can effectively improve the waterproof performance and holistic resistant behavior of assembled underground structure；And building good visual effect.
Description
Technical field
The invention belongs to underground engineering building technology fields, and in particular to a kind of assembled integral vault is greatly across no column underground
Structure.
Background technique
Underground structure is using traditional monolithic reinforced concrete structure construction technology at present, and design process is complicated, work
Work amount is big.The labour of a large amount of multiplexing kind is needed during site operation, construction operation environment is poor, and working procedure is complicated, applies
Work speed is slow, and construction quality is difficult to ensure.Much discarded building waste is generated in work progress, not only waste of resource but also has polluted ring
Border.Cast-in-place concrete structure construction control is irregular, completes after constructing often because various reasons cause outside concrete structure
It sees or various mass defects often occurs in inherence, 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；
Some be only applicable to underground water it is few and use slope or anchor cable (bar) open type open-cut foundation ditch, be not suitable for rich groundwater
Area；Some only locally use fabricated construction, and assembly degree is not high, and assembly efficiency is low；And routine has column underground structure, ground
The down space visual field is not open；Some are only applicable to open-cut foundation ditch system.
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 integral vault is big
Across no column underground structure, it can effectively solve the problem that the fabricated space visual field in underground is open, underground fabricated construction waterproof problem
And issues of structural integrity, and adapt to lid excavation construction scheme.
To achieve the above object, the technical scheme is that a kind of assembled integral vault is greatly across no column underground structure,
Vault laminate and the are equipped with including vault laminate, the first laminate, the first side wall and two building enclosures, between two building enclosures
One laminate is set between first laminate and the vault laminate there are two the first side wall；The vault laminate includes vault layer
Plate in-situ layer and two arc arch bar prefabricated components, two mutually close one end of arc arch bar prefabricated component are fixed, two archs
One end that plate prefabricated component is away from each other is individually fixed in two building enclosures；The arc arch bar prefabricated component and the building enclosure
Between, poured vault laminate in-situ layer between two arc arch bar prefabricated components and on two arc arch bar prefabricated components.
Further, two arc arch bar prefabricated components are on same arcwall face.
Further, the building enclosure is equipped with the miter for fixing the corresponding arc arch bar prefabricated component,
The miter by the building enclosure the downwardly projecting setting in top.
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.
Further, second laminate is equipped with central post prefabricated component, and the central post prefabricated component is equipped with middle stringer
Prefabricated component is set in the middle stringer preform in the middle part of first laminate；The central post prefabricated component and described second
The cast-in-place linkage section of central post has been poured between laminate.
Further, first laminate include two the first laminate prefabricated components, the one of each first laminate prefabricated component
End is set in the middle stringer preform, and the other end is fixed in the building enclosure；Between two the first laminate prefabricated components
The cast-in-place linkage section of the first laminate is poured.
Further, first laminate includes the first laminate in-situ layer and two the first laminate prefabricated components, and each described the
One end of one laminate prefabricated component is set in middle stringer preform, and the other end is fixed in the building enclosure, the middle stringer
It is poured on the top of prefabricated component, the first laminate prefabricated component and between the first laminate prefabricated component and the building enclosure
There is the first laminate in-situ layer.
Further, second side wall includes the second side wall prefabricated component, the bottom of the second side wall prefabricated component and institute
It states and has poured the cast-in-place linkage section of the second side wall between the second laminate.
Further, second side wall includes the second side wall prefabricated component, and the second side wall prefabricated component is gone along with sb. to guard him with described
The second side wall in-situ layer has been poured between structure and between the second side wall prefabricated component and second laminate.
Further, second laminate including two the second layer side prefabricated components and is set to two the second laminates
Prefabricated component in the second laminate between the prefabricated component of side, two the second side walls are respectively arranged on two the second layer side prefabricated components,
The cast-in-place linkage section of the second laminate has been poured in second laminate between 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.
Further, the lower section of second laminate is equipped with concrete cushion, the concrete cushion and the second laminate it
Between construction have waterproof layer.
Further, first side wall includes the first side wall prefabricated component, the bottom of the first side wall prefabricated component and institute
It states and has poured the cast-in-place linkage section of the first side wall between the first laminate.
Further, first side wall includes the first side wall prefabricated component, the first side wall prefabricated component and corresponding institute
State between building enclosure and poured between the first side wall prefabricated component and first laminate the first side wall in-situ layer.
Compared with prior art, the invention has the following advantages:
(1) top of the assembled integral 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 integral vault provided by the invention is greatly across the applied widely of no column underground structure, by prefabricated component and now
It pours layer and forms iterative structure, the temporary facilities such as part field formwork, erecting scaffold can be removed from, save the duration, and can be effective
The waterproof performance and holistic resistant behavior of ground raising assembled underground structure；
(3) assembled integral vault provided by the invention uses reasonable component segment partition scheme across no column underground structure greatly, can be with
Reduce the size and weight of 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) assembled integral vault provided by the invention in building enclosure greatly across no column underground structure by being arranged by going along with sb. to guard him knot
The downwardly projecting miter in structure top is fixedly connected convenient for arc arch bar prefabricated component with building enclosure；
(5) company of the assembled integral 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 the place of connecing, laminate prefabricated component is all made of cast-in-place " wet node ",
Waterproofness, the good integrity of assembled underground structure；
(6) assembled integral vault provided by the invention across no column underground structure there is preform sizes standardization, reduction to set greatly
Workload is counted, production efficiency is improved, promotes construction quality, can preferably realize industrialization, saves labour, saves template and foot
Hand cradle etc., shorten the construction period, energy-saving and environmental protection the advantages that；
(7) assembled integral vault provided by the invention can use digging method construction across no column underground structure greatly, complete vault
After laminate construction, earthing is backfilled on vault laminate, is restored road traffic, then carry out vault laminate with the construction of flowering structure, is accounted for
It is short with the road surface time, reduce the influence of construction road pavement traffic.
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 integral 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 integral 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 second side wall prefabricated component provided by Embodiment 2 of the present invention and reinforced concrete cast-in-situ layer
Figure；
Fig. 4 is the partial structural diagram of reinforced concrete cast-in-situ layer provided by Embodiment 2 of the present invention；
Fig. 5 is the partial structural diagram of the second 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, arc arch bar prefabricated component, 5, vault laminate in-situ layer, 6, miter, 8, in indulge
Beam prefabricated part, the 9, first laminate prefabricated component, the 10, first cast-in-place linkage section of laminate, the 11, first cast-in-place side wall, 12, concrete mats
Layer, the 13, second layer side prefabricated component, the 131, first groove, prefabricated component in the 14, second laminate, the 141, second groove, 15, second
The cast-in-place linkage section of laminate, the 16, second side wall prefabricated component, the 17, second cast-in-place linkage section of side wall, 18, central post prefabricated component, 19, in
The cast-in-place linkage section of column, the 20, first U-shaped muscle, the 21, first positioning member, the 22, second U-shaped muscle, the 23, second positioning member, 24,
First transverse steel, the 25, second transverse steel, 26, top main reinforcement, 27, additional transverse steel bars, 28, dowel, 29, first is vertical
Drawknot ledges, the 30, second vertical drawknot ledges, 31, water sealing structure, 32, top longitudinal reinforcement, 33, lower part longitudinal reinforcement, 34, under
Portion's main reinforcement, 35, additional longitudinal reinforcement；36, the second side wall in-situ layer, the 37, first laminate in-situ layer, 38, reinforced concrete cast-in-situ
Layer, 39, backfill.
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 Figure 1, the present embodiment provides a kind of assembled integral vaults greatly across no column underground structure, including vault laminate,
One laminate, the first side wall and two building enclosures 1 are equipped with vault laminate and the first laminate, first layer between two building enclosures 1
First side wall there are two being set between plate and vault laminate；Vault laminate includes vault laminate in-situ layer 5 and two arc arch bars
Prefabricated component 4, two mutually close one end of arc arch bar prefabricated component 4 are fixed, one end that two arc arch bar prefabricated components 4 are away from each other point
It is not fixed in two building enclosures 1；Between arc arch bar prefabricated component 4 and building enclosure 1, two arc arch bar prefabricated components 4 it
Between and two arc arch bar prefabricated components 4 on poured vault laminate in-situ layer 5.Assembled integral vault provided in this embodiment
Top greatly across no column underground structure uses vault laminate, realizes vault without column large space effect, vault finishing building vision effect
Fruit is good；And iterative structure is formed by prefabricated component and in-situ layer, part field formwork, erecting scaffold etc. can be removed from and temporarily set
It applies, saves the duration, and the waterproof performance and holistic resistant behavior of assembled underground structure can be effectively improved.
Further, two arc arch bar prefabricated components 4 are on same arcwall face.By by two arc arch bar prefabricated components 4
It is lifted into behind construction site again assembled formation dome shape, the size and weight of single prefabricated component can be reduced, convenient for prefabricated
Transport, lifting and the assembly of part.It is prefabricated arc arch bar can be stretched out in the two sides of arc arch bar prefabricated component 4 and outside reserved steel bar
Outside part 4, cast-in-place rear reinforcing bar is protruded into vault laminate in-situ layer 5, improves arc arch bar prefabricated component 4 and vault laminate in-situ layer 5
Bond strength.Construction has waterproof layer on vault laminate in-situ layer 5, further increases the waterproof performance of assembled underground structure.
Further, building enclosure 1 is equipped with the miter 6 for fixing corresponding arc arch bar prefabricated component 4, miter
6 by building enclosure 1 the downwardly projecting setting in top.As shown in Figure 1, miter 6 goes along with sb. to guard him knot from the top of building enclosure 1 to two
It protrudes between structure 1, is fixedly connected conducive to arc arch bar prefabricated component 4 with building enclosure 1, mentioned for extending out for arc arch bar prefabricated component 4
For support.Preferably, miter 6 and the gradient of the end face of arc arch bar prefabricated component 4 match.The present embodiment can pass through arc
Arc arch bar prefabricated component 4 and mitered are realized in the connection of the built-in fitting on built-in fitting and miter 6 on the end face of arch bar prefabricated component 4
The positioning and fixation in face 6 improve assembly efficiency and assembly precision, accelerate construction progress；And this positioning and fixation
Mode can be also used for other prefabricated components and prefabricated component, prefabricated component and building enclosure of the present embodiment, prefabricated component and concrete show
Pour the positioning and fixation of structure.The underground structure of the present embodiment can use digging method construction, construct and complete in vault laminate
Afterwards, it is filled with backfill 39 on vault laminate, restores road traffic, then carries out vault laminate with the construction of flowering structure, occupies
The road surface time is short, reduces the influence of construction road pavement traffic.
Further, as shown in Figure 1, the lower section of the first laminate is equipped with the second laminate, the two sides on the second laminate are equipped with
Second side wall, the both ends of the first laminate are respectively arranged on two the second side walls of two sides.
Further, as shown in Figure 1, the second laminate is equipped with central post prefabricated component 18, central post prefabricated component 18 is equipped with
Middle stringer preform 8 is set in middle stringer preform 8 in the middle part of first laminate；Central post prefabricated component 18 and the second laminate it
Between poured the cast-in-place linkage section 19 of central post.Central post prefabricated component 18 in the present embodiment is followed by with middle 8 assembly of stringer preform
Seam can pass through cast-in-place connection；The lower end of central post prefabricated component 18 is connect by built-in fitting with the built-in fitting on the second laminate, is passed through
Casting concrete forms the cast-in-place linkage section 19 of central post between central post prefabricated component 18 and the second laminate, by central post prefabricated component
18 and second laminate be linked to be entirety, improve the globality of underground structure.In addition, the central post of the present embodiment and middle stringer can also be with
Using cast-in-place form.
As an implementation, as shown in Figure 1, the first laminate includes two the first laminate prefabricated components 9, each first laminate
One end of prefabricated component 9 is set in middle stringer preform 8, and the other end is fixed in building enclosure 1；Two the first laminate prefabricated components
The cast-in-place linkage section 10 of the first laminate is poured between 9, by the cast-in-place linkage section 10 of the first laminate by two the first laminate prefabricated components 9
It is linked to be entirety with middle stringer preform 8, improves the globality of assembled underground structure.As another embodiment, such as Fig. 2 institute
Show, the first laminate includes the first laminate in-situ layer 37 and two the first laminate prefabricated components 9, one end of each first laminate prefabricated component 9
It is set in stringer preform 18, the other end is fixed in building enclosure 1, the top of middle stringer preform 18, the first laminate
The first laminate in-situ layer 37 is poured on prefabricated component 9 and between the first laminate prefabricated component 9 and building enclosure 1, the first laminate is pre-
Product 9 and the first laminate in-situ layer 37 form iterative structure, reduce the size of single prefabricated component, convenient for prefabricated component transport, hang
Dress and assembly.In both the above embodiment, one end that two the first laminate prefabricated components 9 are away from each other can by built-in fitting respectively with
Built-in fitting in two building enclosures 1 is fixed, and splicing accuracy is improved.In addition, first laminate of the present embodiment can also be adopted directly
Steel is then carried out at the construction field (site) by building bed die between the second side wall and middle stringer preform 8 with complete cast-in-place form
Tendons skeleton binds after-pouring concrete and forms the first cast-in-place laminate.
As an implementation, as shown in Figure 1, first side wall of the present embodiment can applied using complete cast-in-place form
Work scene carries out tie with reinforcing bar after-pouring concrete and forms the first cast-in-place side wall 11, by the first laminate prefabricated component 9, goes along with sb. to guard him knot
Structure 1 and vault laminate are linked to be entirety by cast-in-place concrete, improve the globality of assembled underground structure.As another real
Mode is applied, the first side wall includes the first side wall prefabricated component, and the bottom of the first side wall prefabricated component is connected by built-in fitting and the first laminate
It connects, the cast-in-place linkage section of the first side wall has been poured between the first side wall prefabricated component and the first laminate, the knot with the second side wall in Fig. 1
Structure is identical.As the third embodiment, the first side wall includes the first side wall prefabricated component, and the first side wall prefabricated component is enclosed with corresponding
The first side wall in-situ layer, the first side wall prefabricated component have been poured between protection structure and between the first side wall prefabricated component and the first laminate
Top pass through built-in fitting respectively with top and connect with building enclosure 1, the first laminate, then using the first laminate as bed die, to enclose
Protection structure 1 and the first side wall prefabricated component are side form, and casting concrete forms the first side wall in-situ layer, the first side wall prefabricated component and the
One side wall in-situ layer forms iterative structure, can reduce the size and weight of prefabricated component, is readily transported, lifts and assembled, with
The structure of the second side wall is identical in Fig. 2.Furthermore, it is possible to the position elder generation construction waterproof layer of the first side wall is corresponded in building enclosure 1,
Waterproof performance is improved, then completes the construction of the first side wall.The bottom surface phase of the top surface of first side wall of the present embodiment and vault laminate
Matching.
As an implementation, as shown in Figure 1, the second laminate includes two the second layer side prefabricated components 13 and setting
Prefabricated component 14 in the second laminate between two the second layer side prefabricated components 13, two the second side walls are respectively arranged at two
On two layer side prefabricated components 13, central post prefabricated component 18 is set in the second laminate on prefabricated component 14；Prefabricated component in second laminate
14 and second have poured the cast-in-place linkage section 15 of the second laminate between layer side prefabricated component 13.Second laminate of the present embodiment passes through more
Section prefabricated component carries out assembled connection, reduces the size and weight of single prefabricated component, convenient for the transport, lifting and spelling of prefabricated component
Dress；And connected between adjacent prefabricated component by casting concrete, improve the globality of structure.Further, as shown in Figure 1,
Second layer side prefabricated component 13 is equipped with the first groove 131 away from the side of building enclosure 1, with the on prefabricated component 14 in the second laminate
The opposite side of one groove 131 is equipped with the second groove 141, the cast-in-place linkage section 15 of the second laminate be located at first groove 131 with
Between second groove 141；First groove 131 of the present embodiment is oppositely arranged with the second groove 141, so that the second laminate is existing
Width among linkage section 15 is poured, upper and lower ends are narrow, further increase the globality and waterproof performance of assembled underground structure；This
Outside, the reinforcing bar reserved on the second layer side prefabricated component 13 is stretched out from the first groove 131, is reserved on prefabricated component 14 in the second laminate
Reinforcing bar stretched out from the second groove 141, the reinforcing bar of two prefabricated components partly overlaps in the cast-in-place linkage section 15 of the second laminate, improve
The bonding strength of the cast-in-place linkage section 15 of second laminate, the 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 pouring first layer between the first laminate prefabricated component 9 and the first laminate prefabricated component 9
Connection between the first laminate prefabricated component 9 and the first laminate prefabricated component 9 of cast-in-place 10 form of linkage section of plate.Implement as another kind
Mode, as shown in Fig. 2, the second laminate it is mixed can to carry out tie with reinforcing bar after-pouring using complete cast-in-place form at the construction field (site)
Solidifying soil forms reinforced concrete cast-in-situ layer 38.In addition, second laminate of the present embodiment can also use iterative structure, the second laminate
Including two the second laminate prefabricated components, is poured between two the second laminate prefabricated components and on two the second laminate prefabricated components
Two laminate in-situ layers form iterative structure, identical as the structure of the first laminate in Fig. 2, improve the anti-of assembled underground structure
Aqueous energy and structural integrity.
Further, the lower section of the second laminate is equipped with concrete cushion 12, applies between concrete cushion 12 and the second laminate
Work has waterproof layer, improves the waterproofness of underground structure.
As an implementation, as shown in Figure 1, the second side wall includes the second side wall prefabricated component 16, the second side wall is prefabricated
The cast-in-place linkage section 17 of the second side wall has been poured between the bottom of part 16 and the second laminate.The second side wall prefabricated component 16 of the present embodiment
Bottom can be cooperated by the built-in fitting on built-in fitting and the second laminate and realize positioning and fixed, and the second side wall prefabricated component 16
Bottom and the second laminate between pour in-situ layer the second side wall prefabricated component 16 and the second laminate be linked to be entirety, improve assembled
The entirety of underground structure.As another embodiment, as shown in Fig. 2, the second side wall include the second side wall prefabricated component 16, second
It is existing that the second side wall has been poured between side wall prefabricated component 16 and building enclosure 1 and between the second side wall prefabricated component 16 and the second laminate
Pour layer 36；The top of second side wall prefabricated component 16 passes through built-in fitting with top respectively and connect with building enclosure 1 and the second laminate, so
It is side form with building enclosure 1 and the second side wall prefabricated component 16 afterwards using the second laminate as bed die, casting concrete forms the second side wall
In-situ layer 36, the second side wall prefabricated component 16 and the second side wall in-situ layer 36 form iterative structure, can reduce the size of prefabricated component
And weight, it is readily transported, lifts and assembled.Second side wall of the present embodiment can also be existing in construction using complete cast-in-place form
Field carries out tie with reinforcing bar after-pouring concrete and forms the second cast-in-place side wall.Furthermore, it is possible to corresponding second in building enclosure 1
The position elder generation construction waterproof layer of side wall improves waterproof performance, then completes the construction of the second side wall.
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 preform is all made of cast-in-place " wet node ", the waterproof of assembled underground structure
Property, good integrity.
Assembled integral vault provided in this embodiment can be also used for other N layers of underground knots across no column underground structure greatly
The basement one of the present embodiment and the structure type of two layers of underground can be respectively adopted in structure, top and the bottom, remainder layer
Side wall and laminate can also use the structure type of laminate and side wall of the invention, and this will not be detailed here；The present embodiment mentions
The assembled integral vault of confession is not limited greatly across no column underground structure by geological conditions, inner support etc., using reasonable component point
Block scheme and preparatory construction support replacement plate scheme rationally solve the problems, such as the lifting of lid excavation construction prefabricated component and assembled difficulty, with optimization
Prefabricated components size and construction weight, adapt to on-site hoisting that lid is dug and it is assembled require, and can preferably realize industrialization promotion
Using.Underground structure provided in this embodiment forms iterative structure by pouring in-situ layer on the outside of prefabricated component, improves assembled
The waterproof performance and structural integrity of underground structure are suitable for urban subway station, basement, pipe gallery etc.
Main structural engineering.
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 is using iterative structure, the first laminate using the first side wall prefabricated component when complete cast-in-place or iterative structure and the
The connection of the cast-in-place laminate of one laminate in-situ layer 37 or the first can be used for the second side wall and be adopted using iterative structure, the second laminate
With the second side wall prefabricated component 16 when complete cast-in-place or iterative structure and the second laminate in-situ layer or reinforced concrete cast-in-situ layer 38
Connection；Now to be illustrated for the connection structure of the second side wall prefabricated component 16 and reinforced concrete cast-in-situ layer 38, the first side wall
The connection structure of prefabricated component and the cast-in-place laminate of the first laminate in-situ layer 37 or the first, the second side wall prefabricated component 8 and the second laminate are existing
The connection structure of layer is poured as it, this will not be detailed here.
The connection structure of second side wall prefabricated component 16 and reinforced concrete cast-in-situ layer 38, including it is pre- for connecting the second side wall
Second side wall in-situ layer 36 of product 16 and reinforced concrete cast-in-situ layer 38 is reserved in first on reinforced concrete cast-in-situ layer 38
It U-shaped muscle 20 and reserves in the second U-shaped muscle 22 on the second side wall prefabricated component 16, the two side portions of the first U-shaped muscle 20 protrude into steel
Fixed inside reinforced concrete in-situ layer 38, reinforced concrete cast-in-situ layer 38, extension elongation root are stretched out in the bottom of the first U-shaped muscle 20
According to the relative mounting location and lapped length of steel bar between preset second side wall prefabricated component 16 and reinforced concrete cast-in-situ layer 38
It calculates and requires to determine；The side of second U-shaped muscle 22 partially protrudes into inside the second side wall prefabricated component 16, the second U-shaped muscle 22 it is another
Side is located in the second side wall in-situ layer 36, is showed the second side wall prefabricated component 16 with the second side wall by the two sides of the second U-shaped muscle 22
It is fixed to pour layer 36, while the lower end of the first U-shaped muscle 20 and the second U-shaped muscle 22 overlapping overlap joint, and the first U-shaped muscle 20 and second is U-shaped
The lap-joint of muscle 22 is located in the second side wall in-situ layer 36, is connected by the first U-shaped muscle 20 with the overlap joint of the second U-shaped muscle 22, no
Address only the problem of the second side wall prefabricated component 16 and 38 joint connection in site of reinforced concrete cast-in-situ layer difficulty, and the first U-shaped muscle
20 and second U-shaped muscle 22 be connected to reinforced concrete cast-in-situ layer 38, the second side wall prefabricated component 16, the second side wall in-situ layer 36, increase
The strong stress intensity of the connecting node of side wall.
Further, as shown in Figure 4 and Figure 5,16 bottom of the second side wall prefabricated component is equipped with the first positioning member 21, and reinforcing bar is mixed
Solidifying soil in-situ layer 38 is equipped with for the second positioning member 23 with the cooperation positioning of the first positioning member 21, passes through the first positioning structure
Part 21 is determined with the connection of the second positioning member 23 to connect to the second side wall prefabricated component 16 with reinforced concrete cast-in-situ layer 38
Position solves the problems, such as the second side wall prefabricated component 16 and 38 location difficulty of reinforced concrete cast-in-situ layer.As a kind of realization
The levelling device matched with the bottom of the first positioning member 21 can be arranged in mode on the second positioning member 23, improve positioning
Precision.
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 second side wall prefabricated component 16, 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 second side wall prefabricated component 16 with
Stress intensity at the connecting node of reinforced concrete cast-in-situ layer 38.In addition, it is prefabricated to be located at the second side wall on the second U-shaped muscle 22
More second transverse steels 25, the second transverse steel 25 are equipped at intervals on two sides inside part 16 and the second side wall in-situ layer 36
It is arranged perpendicular to the second U-shaped muscle 22, the second side wall prefabricated component 16 and the second side wall is further strengthened by the second transverse steel 25
The stress intensity of the connecting node of in-situ layer 36.
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 second side wall prefabricated component 16 and reinforced concrete cast-in-situ layer 38.
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 two the first laminate prefabricated components 9, the second laminate prefabricated component when the second laminate uses iterative structure
With the connection between the second laminate prefabricated component；It is now illustrated by taking the connection structure to two the first laminate prefabricated components 9 as an example, two
The connection structure of a second laminate prefabricated component is as it, 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 9 and top of two the first laminate prefabricated components 9 has poured the first laminate in-situ layer 37, and two the first laminates are prefabricated
Be reserved with steel bar framework on part 9, steel bar framework include top main reinforcement 26, lower part main reinforcement 34 and connection top main reinforcement 26 and under
The dowel 28 of 34 end of portion's main reinforcement, top main reinforcement 26 and lower part main reinforcement 34 are arranged in parallel, and lower part main reinforcement 34 is pre- along the first laminate
9 extending direction of product partially protrudes into inside the first laminate prefabricated component 9, and lower part main reinforcement 34 stretches out 9 part of the first laminate prefabricated component, with
And top main reinforcement 26 and dowel 28 are arranged inside the first laminate in-situ layer 37, the reinforcing bar of two the first laminate prefabricated components 9
Frame along main reinforcement extending direction in 37 inner part arranged superposed of the first laminate in-situ layer.The present embodiment passes through pre- to the first laminate
Tectonic sieving and steel bar framework the overlapping overlap joint design of product 9, the rigidity realized between two the first laminate prefabricated components 9 connect
It connects and the common stress of iterative structure that the first laminate prefabricated component 9 is combined with the first laminate in-situ layer 37, ensure that the connection knot
The bearing capacity and durability of structure.
Wherein, the bottom junctions of two the first laminate prefabricated components 9 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 37, enhances the stress intensity of the first laminate in-situ layer 37.Further, such as Fig. 8 and
Shown in Fig. 9, two 9 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 9 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 9 for additional transverse steel bars 27 and lower part longitudinal reinforcement 33
Inside enhances the stress intensity of two the first laminate prefabricated components 9；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 9 and the first laminate in-situ layer 37 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 9 and the first laminate in-situ layer 37
Connect intensity, improve the first laminate prefabricated component 9 and the first laminate in-situ layer 37 connect it is integral after bearing capacity, solve existing
There is the problem of connecting sewing easy to leak water of the first laminate of assembled prefabricated component 9.
Specifically, the end face of the connecting side of two the first laminate prefabricated components 9 is angled end-face, one of them first laminate is prefabricated
The dowel 28 of the wherein side of part 9 is obliquely installed, and the gradient of its dowel 28 and another the first laminate prefabricated component 9 is oblique
The gradient of end face matches, and the steel bar framework of the first laminate prefabricated component 9 is in the steel bar framework with the first laminate prefabricated component 9 in this way
It may extend to above the angled end-face of another the first laminate prefabricated component 9 when overlapping overlap joint, and another the first laminate prefabricated component 9
Dowel 28 does not stretch out outside the dowel 28；And first laminate prefabricated component 9 dowel 28 and top main reinforcement 26 between set
There is the second vertical drawknot ledges 30, the second vertical drawknot ledges 30 is the first vertical 29 extending direction of drawknot ledges setting of postponing, and is strengthened
The intensity of first laminate prefabricated component 9 and the first laminate prefabricated component 9 overlapping lap-joint, vertical drawknot ledges can also play fixation simultaneously
The effect of framework of steel reinforcement outside 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 9 and the first laminate in-situ layer 37, is passed through
The setting of additional longitudinal reinforcement 35 enhances the first laminate prefabricated component 9 and the stress at 37 connecting node of the first laminate in-situ layer is strong
Degree.In addition, and the first laminate is pre- as shown in fig. 7, the steel bar framework of two the first laminate prefabricated components 9 can be disposed as multiple
The steel bar framework of the steel bar framework of product 9 and the first laminate prefabricated component 9 is alternately arranged, and further enhances the first laminate prefabricated component
9 and the first bonding strength between laminate in-situ layer 37, to improve the connection structure of the first laminate of assembled prefabricated component 9
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 16 between side wall prefabricated component and the first side wall prefabricated component and between the second side wall prefabricated component 16
Connection etc., the company of connection structure and above-mentioned two lateral the first laminate prefabricated components 9 between these vertical prefabricated components
Binding structure is identical, two prefabricated components can be used for template the connection of two side wall prefabricated components, the other side, which can use, encloses
Protection structure 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 integral vault is greatly across no column underground structure, it is characterised in that: including vault laminate, the first laminate,
One side wall and two building enclosures are equipped with vault laminate and the first laminate, first laminate and institute between two building enclosures
State the first side wall there are two setting between vault laminate；The vault laminate includes vault laminate in-situ layer and two arc arch bars
Prefabricated component, two mutually close one end of arc arch bar prefabricated component are fixed, one end difference that two arc arch bar prefabricated components are away from each other
It is fixed in two building enclosures；Between the arc arch bar prefabricated component and the building enclosure, two arc arch bar prefabricated components
Between and two arc arch bar prefabricated components on poured vault laminate in-situ layer.
2. a kind of assembled integral vault as described in claim 1 is greatly across no column underground structure, it is characterised in that: two arcs
Arch bar prefabricated component is on same arcwall face.
3. a kind of assembled integral vault as described in claim 1 is greatly across no column underground structure, it is characterised in that: described to go along with sb. to guard him
Structure is equipped with the miter for fixing the corresponding arc arch bar prefabricated component, and the miter is by the building enclosure
The downwardly projecting setting in top.
4. a kind of assembled integral vault as described in claim 1 is greatly across no column underground structure, it is characterised in that: described first
The lower section of laminate is equipped with the second laminate, and the two sides on second laminate are equipped with the second side wall, the both ends of first laminate
It is respectively arranged on two the second side walls of two sides.
5. a kind of assembled integral vault as claimed in claim 4 is greatly across no column underground structure, it is characterised in that: described second
Laminate is equipped with central post prefabricated component, and the central post prefabricated component is equipped with middle stringer preform, the middle part of first laminate
It is set in the middle stringer preform；The cast-in-place company of central post has been poured between the central post prefabricated component and second laminate
Connect section.
6. a kind of assembled integral vault as claimed in claim 5 is greatly across no column underground structure, it is characterised in that: described first
Laminate includes two the first laminate prefabricated components, and one end of each first laminate prefabricated component is set to the middle stringer preform
On, the other end is fixed in the building enclosure；The cast-in-place linkage section of the first laminate has been poured between two the first laminate prefabricated components.
7. a kind of assembled integral vault as claimed in claim 5 is greatly across no column underground structure, it is characterised in that: described first
Laminate includes the first laminate in-situ layer and two the first laminate prefabricated components, during one end of each first laminate prefabricated component is set to
In stringer preform, the other end is fixed in the building enclosure, and the top of the middle stringer preform, first laminate are pre-
The first laminate in-situ layer has been poured on product and between the first laminate prefabricated component and the building enclosure.
8. a kind of assembled integral vault as claimed in claim 4 is greatly across no column underground structure, it is characterised in that: described second
Side wall includes the second side wall prefabricated component, has poured second side between the bottom of the second side wall prefabricated component and second laminate
The cast-in-place linkage section of wall.
9. a kind of assembled integral vault as claimed in claim 4 is greatly across no column underground structure, it is characterised in that: described second
Side wall includes the second side wall prefabricated component, and between the second side wall prefabricated component and the building enclosure and second side wall is pre-
The second side wall in-situ layer has been poured between product and second laminate.
10. a kind of assembled integral vault as claimed in claim 4 is greatly across no column underground structure, it is characterised in that: described the
Two laminates include in two the second layer side prefabricated components and the second laminate being set between two the second layer side prefabricated components
Prefabricated component, two the second side walls are respectively arranged on two the second layer side prefabricated components, prefabricated component and institute in second laminate
It states and has poured the cast-in-place linkage section of the second laminate between the second layer side prefabricated component.
11. a kind of assembled integral vault as claimed in claim 10 is greatly across no column underground structure, it is characterised in that: described the
Two layer side prefabricated components are equipped with the first groove away from the side of the building enclosure, in second laminate on prefabricated component with it is described
The opposite side of first 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 the
Between two grooves.
12. a kind of assembled integral vault as claimed in claim 4 is greatly across no column underground structure, it is characterised in that: described the
The lower section of two laminates is equipped with concrete cushion, and construction has waterproof layer between the concrete cushion and the second laminate.
13. a kind of assembled integral vault as described in claim 1 is greatly across no column underground structure, it is characterised in that: described the
One side wall includes the first side wall prefabricated component, has poured first between the bottom of the first side wall prefabricated component and first laminate
The cast-in-place linkage section of side wall.
14. a kind of assembled integral vault as described in claim 1 is greatly across no column underground structure, it is characterised in that: described the
One side wall includes the first side wall prefabricated component, between the first side wall prefabricated component and the corresponding building enclosure and described the
The first side wall in-situ layer has been poured between one side wall prefabricated component and first laminate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910330868.0A CN110080292A (en) | 2019-04-23 | 2019-04-23 | A kind of assembled integral vault is greatly across no column underground structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910330868.0A CN110080292A (en) | 2019-04-23 | 2019-04-23 | A kind of assembled integral vault is greatly across no column underground structure |
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| CN110080292A true CN110080292A (en) | 2019-08-02 |
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| CN201910330868.0A Pending CN110080292A (en) | 2019-04-23 | 2019-04-23 | A kind of assembled integral vault is greatly across no column underground structure |
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| CN112681374A (en) * | 2020-12-21 | 2021-04-20 | 武汉市市政工程机械化施工有限公司 | Shallow-buried underground-excavated channel cover excavation top-down construction method under complex conditions |
| CN114809086A (en) * | 2022-06-08 | 2022-07-29 | 青岛中科坤泰装配建筑科技有限公司 | Integral subway station structure of assembly of annular reinforcing bar overlap joint |
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