CN209468882U - A kind of two-sided overlapping wall system of ultra-high performance concrete of band heat preservation - Google Patents

Abstract

The utility model discloses a kind of two-sided overlapping wall systems of ultra-high performance concrete of band heat preservation, including inside and outside two pieces of 20mm thickness UHPC wallboard, two-way single layer reinforced mesh is provided in the UHPC wallboard, insulating layer is set on the inside of close to outside superimposed sheet, this two-sided composite wallboard is arranged in parallel and is formed by connecting by vertically and horizontally steel bar stress cylinder mould.Vertically and horizontally the both ends vertical reinforcement of steel bar stress cylinder mould stretches out prefabricated board ends in two-sided prefabricated composite wallboard, and it is tilted to the direction perpendicular to plate face, the inclined direction of upper and lower side is opposite, inclination is stretched out lengths of rebar and is connected with plate intermediate node between upper and lower level on site, so that the vertical reinforcement in upper and lower superimposed sheet in prefabricated board is connected in same rectilinear direction, hole between two-sided prefabricated composite wallboard places equidistant positioning card in junction, and poured in place concrete, the utility model is in construction cost, installation and transportation, structure stress, factory's production, energy conservation and environmental protection etc. function and effect significantly improve.

Description

A kind of two-sided overlapping wall system of ultra-high performance concrete of band heat preservation

Technical field

The utility model relates to a kind of building field, specially a kind of two-sided overlapping wall of ultra-high performance concrete of band heat preservation Body system.

Background technique

The core missions for promoting China's building industrialization development are to develop the structural body for agreeing with China's building industrialization development System.Precast concrete wall panel system is half prefabricated construction, be reinforced concrete wallboard system by cast in situs to The transition assembled completely.Precast concrete assembled wallboard structural system has compared with traditional shear wall wallboard structural system Assembly degree is high, controls convenient for quality, construction speed is fast, and the small environmental protection and energy saving of environmental pollution, cost is lower, industrialized production water Flat height, substantially reduces the use of template in the construction process, will be traditional in substitution using wall made of system construction There is powerful competitiveness and wide application prospect in terms of wallboard casting system.But in the prior art, wallboard structural system Joint bar is mainly arranged in vertical connection at seaming position, and passes through rear pouring concrete for the vertical reinforcement in joint bar and prefabricated board It is indirectly connected with, to realize the transmitting of internal force.Due to the disadvantages of reinforcing bar cannot be directly connected to, and structure ductility is poor, cause to erect Become the weak link of board-like wallboard structural system stress to connecting portion.Two-sided overlapping panel wall system (band heat preservation) structure is one Half prefabricated half cast-in-place concrete structure of kind, has both the good feature of the guaranteed and cast-in-place connection integrity of prefabricated components quality, is suitable Close the new structure type of one kind of housing industrialization.Good integrity, rigidity is big, and anti-knock shock resistance is good, good waterproof performance, to not advising Then plane it is adaptable the advantages that, the structure ductility that can effectively solve assembled wallboard system is poor, vertical connection is weak asks Topic is significant in building trade field.

Utility model content

Purpose of the utility model is to solve wallboard structural system exists in the prior art and vertically connects mainly to exist Joint bar is set at seaming position, and is indirectly connected with joint bar and the vertical reinforcement in prefabricated panel by rear pouring concrete, To realize the transmitting of internal force.Due to the disadvantages of reinforcing bar cannot be directly connected to, and structure ductility is poor, vertical connecting portion is caused to become The weak link of board-like wallboard structural system stress, and a kind of two-sided overlapping wall of ultra-high performance concrete of band heat preservation proposed System.

To achieve the above object, the utility model provides the following technical solutions: including inside and outside two pieces of 20mm thickness UHPC wall Plate is provided with two-way single layer reinforced mesh in the UHPC wallboard, close to outside superimposed sheet on the inside of insulating layer, this Double-side laminated are set Wallboard is closed to be arranged in parallel and be formed by connecting by vertically and horizontally stress steel bar stress cylinder mould.In two-sided prefabricated composite wallboard vertically and horizontally by The both ends vertical reinforcement of power rebar cylinder mould stretches out prefabricated board ends, and tilts to the direction perpendicular to plate face, the inclination of upper and lower side Contrary, plate intermediate node connects between lengths of rebar upper and lower level on site is stretched out in inclination, so as to by prefabricated board in upper and lower superimposed sheet Interior vertical reinforcement is connected in same rectilinear direction, and it is equidistant fixed that the hole between two-sided prefabricated composite wallboard is placed in junction Position card, and poured in place concrete.Wherein two-sided overlapping preformed layer comprising vertically and horizontally stress steel bar stress cylinder mould and its two sides UHPC layer, described close to insulating layer is arranged on the inside of the two-sided overlapping precoated plate layer of outside UHPC, the insulating layer is true according to calculating Determine thickness, vertical reinforcement, transverse steel and the connection that the vertically and horizontally steel bar stress cylinder mould is mainly process by finished product machinery The vertical reinforcing bar of the two forms；Sandwich layer is built, is the ad eundem normal concrete of the cast in situs in the UHPC layer on two sides, and With the insulating layer in the two-sided prefabricated composite wallboard and vertically and horizontally integrated poured one of steel bar stress, the preformed layer UHPC thickness The only one third of normal concrete preformed layer thickness, but the work of the mechanical property of its superelevation, the endurance quality of superelevation Ability, construction cost, installation and transportation, structure stress, factory production, in terms of function and effect significantly improve.

Preferably, in the note sandwich layer and the two-sided overlapping precoated plate layer of UHPC steel mesh using self-compacting concrete casting one Body.

Preferably, steel bar stress cylinder mould section is solid rectangle, and vertically and horizontally steel mesh is welded to connect in vertical for connection.

Preferably, the nothing of the two-sided overlapping precoated plate layer of the UHPC vertically and horizontally does hair pulling treatment at reinforcing bar, and plucking height is Not less than 5mm, in addition the advantageous effect of steel bar stress cylinder mould, it is ensured that the shearing resistance requirement of superposed surfaces.

Preferably, the thickness of the two-sided overlapping precoated plate layer of the UHPC be only normal concrete preformed layer thickness three/ One, but the ability to work of the mechanical property of its superelevation, the endurance quality of superelevation, construction cost, installation and transportation, structure by Power, factory's production, energy conservation and environmental protection etc. function and effect significantly improve.

Preferably, the splicing between the two-sided overlapping precoated plate layer prefabricated board of the UHPC is all and stretches out to indulge in superimposed sheet end To reinforcing bar longitudinal lap joint in another overlapping plate, then integrated poured concrete, can effectively solve fabricated shear wall plate The problem that structure ductility is poor, vertical connection is weak.

Compared with prior art, the utility model has the beneficial effects that the very-high performance coagulation of the utility model band heat preservation Amount of reinforcement, economy is greatly saved by using the vertically and horizontally reinforcing bar flexible arrangement of finished product in the two-sided overlapping wall system of soil Well, scene does not need formwork supporting plate when construction, due to the setting of the vertically and horizontally steel bar stress of finished product, so that on-site hoisting and overlapping Reinforced bar engineering is simple, accurate in plate, and speed of application is fast, is conducive to shorten the construction period, using UHPC as two-sided overlapping prefabricated board Layer is thicker by relatively thin prefabricated double plates substitutions using the mechanical property of UHPC superelevation, the ability to work of the endurance quality of superelevation In the case that concrete prefabricated board is conducive to the power transmission between plate, while construction workload increases seldom at the scene, it is possible to reduce Amount of reinforcement realizes being directly connected to for vertical reinforcement, to enhance the strength and stiffness of plywood junction stacked on top of one another, significantly changes The stress performance of kind structure, steel bar stress cylinder mould can manufacture in factory process, and prefabricated board is in factory for prefabrication's industry Change production, can guarantee construction quality, is conducive to save manpower, is beneficial to energy conservation environmental protection, advantageously reduces construction cost, saving is built If fund, band insulating layer in wallboard, technology maturation, integral construction speed is fast, reduces house usable floor area, thoroughly solves outdoor guarantor Warm layer falls off problem of Cracking, is conducive to the extension of exterior wall service life.

Detailed description of the invention

Fig. 1 is the composite wallboard finished product portion of the two-sided overlapping wall system of ultra-high performance concrete of the utility model band heat preservation Separation structure schematic diagram,

Fig. 2 is that the composite wallboard factory of the two-sided overlapping wall system of ultra-high performance concrete of the utility model band heat preservation is pre- Partial structure diagram processed,

Fig. 3 is connected between the composite wallboard for the two-sided overlapping wall system of ultra-high performance concrete of the utility model band heat preservation Node diagram.

In figure: the two-sided overlapping precoated plate layer of 1-UHPC, 2- steel bar stress cylinder mould, steel mesh in 3- prefabricated board, 4- infuse sandwich layer, 5- insulating layer.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: including the two-sided overlapping precoated plate layer 1 of UHPC, stress Steel mesh 3, note sandwich layer 4 and insulating layer 5 in rebar cylinder mould 2, prefabricated board, the steel bar stress cylinder mould 2 is mainly by longitudinal reinforcement, cross It is formed to the vertical reinforcement welding of reinforcing bar and connection the two, steel mesh 3 is mainly by being placed on UHPC dual platen in the prefabricated board Interior reinforced mesh composition, it is described close to setting insulating layer 5, the insulating layer on the inside of the two-sided overlapping precoated plate layer 1 of outside UHPC 5 according to calculate determine thickness, the two-sided overlapping precoated plate layer 1 of UHPC is made of 20mm thickness ultra-high performance concrete, with by Power rebar cylinder mould 2 and the casting one of the reinforced mesh by being placed in UHPC dual platen, form the two-sided overlapping prefabricated board of UHPC Layer 1, in the two-sided overlapping precoated plate layer 1 of the UHPC and with have note in the finished product steel bar stress cylinder mould 2 of the two-sided interior setting of UHPC Steel mesh is using self-compacting concrete casting one, institute in sandwich layer 4, the note sandwich layer 4 and the two-sided overlapping precoated plate layer 1 of UHPC Stating 3 section of steel bar stress cylinder mould is solid rectangle, and vertically and horizontally steel mesh is welded to connect in vertical for connection, the two-sided overlapping of UHPC The nothing of precoated plate layer 1 vertically and horizontally does hair pulling treatment at reinforcing bar, and plucking height is not less than 5mm, in addition steel bar stress cylinder mould 2 has Benefit effect, it is ensured that the shearing resistance requirement of superposed surfaces, the thickness of the two-sided overlapping precoated plate layer 1 of UHPC is only that normal concrete is pre- The one third of preparative layer thickness, but the ability to work of the mechanical property of its superelevation, the endurance quality of superelevation, construction cost, Installation and transportation, structure stress, factory's production, energy conservation and environmental protection etc. function and effect significantly improve, and the two-sided overlapping of UHPC is pre- Splicing between 1 prefabricated board of making sheet layer is all to stretch out longitudinal reinforcement longitudinal lap joint in another overlapping plate in superimposed sheet end, Then integrated poured concrete can effectively solve the problem of poor, the vertical connection weakness of structure ductility of fabricated shear wall plate.

The working principle of the utility model are as follows: two-sided composite wallboard includes inside and outside two pieces of 20mm thickness UHPC wallboard, the UHPC It is provided with two-way single layer reinforced mesh in wallboard, insulating layer 5 is set close to outside superimposed sheet inside, this two-sided composite wallboard is flat It row setting and is formed by connecting by vertically and horizontally steel bar stress cylinder mould 2, vertically and horizontally steel bar stress cylinder mould 2 in two-sided prefabricated composite wallboard Both ends vertical reinforcement stretch out prefabricated board ends, and to the direction inclination perpendicular to plate face, the inclined direction of upper and lower side is on the contrary, incline Plate intermediate node connects between tiltedly stretching out lengths of rebar upper and lower level on site, so as to by the vertical reinforcement in upper and lower superimposed sheet in prefabricated board It is connected in same rectilinear direction, the hole between two-sided prefabricated composite wallboard places equidistant positioning card, and scene in junction Casting concrete.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (6)

1. a kind of two-sided overlapping wall system of ultra-high performance concrete of band heat preservation, including the two-sided overlapping precoated plate layer (1) of UHPC, Steel mesh (3), note sandwich layer (4) and insulating layer (5) in steel bar stress cylinder mould (2), prefabricated board, it is characterised in that: the stress steel Muscle cylinder mould (2) is mainly made of the vertical reinforcement welding of both longitudinal reinforcement, transverse steel and connection, reinforcing bar in the prefabricated board Net (3) is mainly made of the reinforced mesh being placed in UHPC dual platen, close to the two-sided overlapping precoated plate layer (1) of outside UHPC Insulating layer (5) are arranged in inside, and the two-sided overlapping precoated plate layer (1) of UHPC is made of 20mm thickness ultra-high performance concrete, with Steel bar stress cylinder mould (2) and the casting one of the reinforced mesh by being placed in UHPC dual platen, the composition two-sided overlapping of UHPC are pre- Making sheet layer (1), in the two-sided overlapping precoated plate layer (1) of UHPC and the finished product steel bar stress net with the two-sided interior setting of UHPC There are note sandwich layer (4) inside cage (2).

2. a kind of two-sided overlapping wall system of ultra-high performance concrete of band heat preservation according to claim 1, feature exist In: the note sandwich layer (4) and the UHPC interior steel mesh of two-sided overlapping precoated plate layer (1) are using self-compacting concrete casting one.

3. a kind of two-sided overlapping wall system of ultra-high performance concrete of band heat preservation according to claim 1, feature exist In: steel bar stress cylinder mould (2) section is solid rectangle, and vertically and horizontally steel mesh is welded to connect in vertical for connection.

4. a kind of two-sided overlapping wall system of ultra-high performance concrete of band heat preservation according to claim 1, feature exist Hair pulling treatment vertically and horizontally is done at reinforcing bar in the nothing of: the two-sided overlapping precoated plate layer (1) of UHPC, and plucking height is not less than 5mm.

5. a kind of two-sided overlapping wall system of ultra-high performance concrete of band heat preservation according to claim 1, feature exist In: the thickness of the two-sided overlapping precoated plate layer (1) of UHPC is only the one third of normal concrete preformed layer thickness.

6. a kind of two-sided overlapping wall system of ultra-high performance concrete of band heat preservation according to claim 1, feature exist In: the splicing between two-sided overlapping precoated plate layer (1) prefabricated board of UHPC is all to stretch out longitudinal reinforcement in superimposed sheet end to exist Longitudinal lap joint in another overlapping plate.