CN106012808B - A kind of Wavelike steel webplate profiled sheet combination beam and its construction method - Google Patents

A kind of Wavelike steel webplate profiled sheet combination beam and its construction method Download PDF

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Publication number
CN106012808B
CN106012808B CN201610622614.2A CN201610622614A CN106012808B CN 106012808 B CN106012808 B CN 106012808B CN 201610622614 A CN201610622614 A CN 201610622614A CN 106012808 B CN106012808 B CN 106012808B
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reinforced mesh
flange
concrete layer
profiled sheet
peg
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CN106012808A (en
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吴丽丽
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China University of Mining and Technology Beijing CUMTB
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China University of Mining and Technology Beijing CUMTB
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

The embodiment of the present invention discloses a kind of Wavelike steel webplate profiled sheet combination beam and its construction method, with solve the problems, such as that existing Wavelike steel webplate concrete combination beam difficulty of construction is big and top flange concrete slab under sagging moment effect it is easily cracking.The combination beam, including:First waveform steel web and the second Wavelike steel webplate;Profiled sheet is fixedly connected between the first top flange of first waveform steel web and the second top flange of the second Wavelike steel webplate;The first reinforced mesh is equipped with the profiled sheet;Precoat on the profiled sheet of first reinforced mesh is equipped with and be marked with the first concrete layer.The present invention is suitable for the combination beam of highway bridge and urban viaduct.

Description

A kind of Wavelike steel webplate-profiled sheet combination beam and its construction method
Technical field
The present invention relates to the combination beam technical field that can be applied to highway bridge and urban viaduct, more particularly to a kind of ripple Shape steel web-profiled sheet combination beam and its construction method.
Background technology
Traditional Wavelike steel webplate concrete combination beam, as shown in Figure 1 a, 1 b, it is by top flange concrete slab 1, bottom wing Edge concrete slab 2 is vertical with two panels or tilted-putted first waveform steel web 3 and the second Wavelike steel webplate 4 form, each limb ripple Shape steel web and the steel plate on the upper and lower edge of a wing in factory's welding with being transported to behind construction site, it is necessary to be accurately positioned, difficulty of construction Greatly.And during upper and lower edge of a wing concrete slab cast, scene is needed to set up scaffold, formwork supporting plate etc., there are field operation and construction are difficult Spend the problems such as larger.On the other hand, upper and lower edge of a wing concrete slab is easily cracking under sagging moment effect, and crack can reduce Bearing capacity, rigidity and the durability of structure.These problems all cause certain difficulty to the popularization and application of the class formation.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of Wavelike steel webplate-profiled sheet combination beam and its construction method, with Solve existing Wavelike steel webplate concrete combination beam difficulty of construction greatly and top flange concrete slab is easy under sagging moment effect The problem of cracking.
In a first aspect, the embodiment of the present invention provides a kind of Wavelike steel webplate-profiled sheet combination beam, including:
First waveform steel web and the second Wavelike steel webplate;The first upper limb is fixed with the top of the first waveform steel web Edge, is fixed with the second top flange at the top of second Wavelike steel webplate;
The plate face of the first waveform steel web and the second Wavelike steel webplate is opposite and spaced setting;
Profiled sheet is fixedly connected between first top flange and second top flange;In the profiled sheet On be equipped with the first reinforced mesh;
Precoat on the profiled sheet of first reinforced mesh is equipped with and be marked with the first concrete layer.
Alternatively, on first top flange and it is respectively fixed with peg on the second top flange;
The profiled sheet by the peg be fixed on first top flange and second top flange on.
Alternatively, ∩ steel bar shear keies are embedded with first concrete layer;
Expose first concrete layer in the end of the ∩ steel bars shear key.
Alternatively, the bottom of the first waveform steel web and the bottom of second Wavelike steel webplate are respectively welded at groove On the bottom plate of shape steel plate;
Melting welding has peg on the bottom of the troughing plate and madial wall;
The bottom for having the troughing plate of peg in melting welding is equipped with the second reinforced mesh and the 3rd reinforced mesh, described Second reinforced mesh is connected with the peg, the 3rd reinforced mesh be arranged at the top of second reinforced mesh and away from There is preset distance from second reinforced mesh;
The second concrete layer is marked with being equipped with to precoat in the troughing plate of second reinforced mesh;Wherein, Three reinforced mesh are located in second concrete layer and have preset distance apart from the surface of second concrete layer.
Alternatively, it is equipped with the 4th reinforced mesh in the first concrete layer upper surface;
The 3rd concrete layer is cast with the upper surface for first concrete layer for being equipped with the 4th reinforced mesh.
Second aspect, the embodiment of the present invention provide a kind of construction method for making Wavelike steel webplate-profiled sheet combination beam, Including:In the factory, carry out comprising the following steps 101 to step 104 construction procedure:
Step 101, fix the first top flange at the top of first waveform steel web, consolidates at the top of the second Wavelike steel webplate Fixed second top flange;
Step 102, be fixedly connected with profiled sheet between first top flange and second top flange;
Step 103, the first reinforced mesh of upper laying in the profiled sheet;
Step 104, the first concrete layer of precast on the profiled sheet of first reinforced mesh is equipped with.
Alternatively, it is described to be fixedly connected with profiled sheet between first top flange and second top flange, including:
Peg is fixed on first top flange and on the second top flange respectively;
Profiled sheet is set between first top flange and second top flange, the profiled sheet is passed through into institute State peg be fixed on first top flange and second top flange on.
Alternatively, the construction method, further includes:
In the first concrete layer of precast on being equipped with the profiled sheet of first reinforced mesh, pre-plugged ∩ steel bar shear keies, so that after completing to pour into a mould the first concrete layer, the end of the ∩ steel bars shear key is exposed described First concrete layer.
Alternatively, the step 101 further includes:By the bottom of the first waveform steel web and the second waveform steel abdomen The bottom of plate is separately fixed at the bottom of a troughing plate;
The melting welding peg on the bottom of the troughing plate and madial wall
Alternatively, the construction method, further includes:
After first concrete layer reaches predetermined hardness, the component that will be formed according to the step 101 to step 104 Integral hoisting is transported to construction site, and after positioning, the bottom for having the troughing plate of peg in melting welding is laid with the second bar-mat reinforcement Piece and the 3rd reinforced mesh, second reinforced mesh are connected with the peg, and the 3rd reinforced mesh is arranged at described The top of second reinforced mesh;Precoat being equipped with the troughing plate of second reinforced mesh and the 3rd reinforced mesh The second concrete layer of note, so that the 3rd reinforced mesh is located in second concrete layer and apart from second concrete The surface of layer has preset distance;The 4th reinforced mesh is laid with the first concrete layer upper surface;It is being equipped with described Pour into a mould the 3rd concrete layer in the upper surface of first concrete layer of four reinforced mesh.
A kind of Wavelike steel webplate-profiled sheet combination beam provided in an embodiment of the present invention and its construction method, on first Profiled sheet is fixedly connected between the edge of a wing and the second top flange, the first reinforced mesh is equipped with the profiled sheet, It is equipped with to precoat on the profiled sheet of first reinforced mesh and is marked with the first concrete layer, will be of the invention real in this way, working as Wavelike steel webplate-profiled sheet combination beam of example offer is applied after factory is transported to construction site, can be mixed in the first of precast Pouring concrete construction is directly carried out on solidifying soil layer, it is not necessary to carries out first waveform steel web and the second waveform steel at the construction field (site) Positioning between web, it is not required that formwork supporting plate is set up at the construction field (site), greatly reduces the difficulty of field operation and construction, from And realize the purpose of steel structure bridge rapid construction;Also, due to being fixedly connected between the first top flange and the second top flange There is profiled sheet, the first reinforced mesh be equipped with the profiled sheet, had so both added the bearing capacity of concrete layer, Concrete layer situation easily cracking under sagging moment effect can be reduced again to occur, and avoid distress in concrete exposed, structure Durability will significantly improve.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are 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 a are a kind of traditional Wavelike steel webplate concrete combination beam structure diagram;
Fig. 1 b are another traditional Wavelike steel webplate concrete combination beam structure diagram;
Fig. 2 is the partial structural diagram in Wavelike steel webplate of the present invention-profiled sheet combination beam embodiment;
Fig. 3 is the solid of Wavelike steel webplate of the present invention-profiled sheet combination beam embodiment (having the 3rd concrete layer 12) Structure diagram;
Fig. 4 is the main view of Wavelike steel webplate of the present invention-profiled sheet combination beam embodiment (having the 3rd concrete layer 12) Figure;
Fig. 5 is the combining structure schematic diagram of troughing plate and concrete layer in Fig. 4.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
It will be appreciated that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Base Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its Its embodiment, belongs to the scope of protection of the invention.
Referring to shown in Fig. 2, the embodiment of the present invention Wavelike steel webplate-profiled sheet combination beam, can include:First waveform 3 and second Wavelike steel webplate 4 of steel web;The top of the first waveform steel web 3 is fixed with the first top flange 31, and described second The top of Wavelike steel webplate 4 is fixed with the second top flange 41;The plate of the first waveform steel web 3 and the second Wavelike steel webplate 4 Face is opposite and spaced setting;Die mould steel is fixedly connected between first top flange 31 and second top flange 41 Plate 6;The first reinforced mesh 7 is equipped with the profiled sheet 6;It is being equipped with the die mould of first reinforced mesh 7 Precoat on steel plate 6 and be marked with the first concrete layer 8.
The said structure of the present embodiment can be prefabricated in the factory completion.
In the present embodiment, the profiled sheet refers to sheet metal through cold pressing or the molding steel of cold rolling.Profiled sheet can It is pressed into waveform, hyperbolic waveform, ribbed, V-arrangement, type of putting more energy into etc..Profiled sheet in the present embodiment is preferably waveform profiled sheet.
First top flange 31 and the second top flange 41 can be separately fixed at 3 He of first waveform steel web by welding The top of second Wavelike steel webplate 4.
First waveform steel web 3 and the second Wavelike steel webplate 4 can be arranged at intervals in parallel to each other, also can be each other in certain At an angle slant setting.
A kind of Wavelike steel webplate-profiled sheet combination beam provided in an embodiment of the present invention, on the first top flange and second Profiled sheet is fixedly connected between the edge of a wing, the first reinforced mesh is equipped with the profiled sheet, is being equipped with described Precoat on the profiled sheet of one reinforced mesh and be marked with the first concrete layer, in this way, working as ripple provided in an embodiment of the present invention Shape steel web-profiled sheet combination beam, can be on the first concrete layer of precast directly after factory is transported to construction site Carry out pouring concrete construction, it is not necessary to carry out determining between first waveform steel web and the second Wavelike steel webplate at the construction field (site) Position, it is not required that set up formwork supporting plate at the construction field (site), the difficulty of field operation and construction is greatly reduced, so as to fulfill steel construction The purpose of bridge rapid construction;Also, due to being fixedly connected with profiled sheet between the first top flange and the second top flange, The first reinforced mesh is equipped with the profiled sheet, had so not only added the bearing capacity of concrete layer, but also coagulation can be reduced Soil layer situation easily cracking under sagging moment effect occurs, and avoids distress in concrete exposed, and the durability of structure will be aobvious Write and improve.
Referring to shown in Fig. 2, in forementioned waveform steel web-profiled sheet combination beam embodiment, in order to strengthen profiled sheet The bonding strength with the first top flange 31 and the second top flange 41, can be on first top flange 31 and the second top flange 41 On be respectively fixed with peg 9;The profiled sheet 6 is fixed on first top flange 31 and described the by the peg 9 On two top flanges 41.The mode that the peg 9 can lead to melting welding be fixed on the first top flange 31 and the second top flange 41 on.
It is on the one hand mixed in order to provide in forementioned waveform steel web-profiled sheet combination beam embodiment referring to shown in Fig. 2 The interfacial shear force of solidifying soil layer, on the other hand for the ease of lifting, can be embedded with ∩ steel bars in first concrete layer 8 Shear key 10;First concrete layer 8 is exposed in the end of the ∩ steel bars shear key 10, and the part exposed can be used as component The suspension centre of lifting.
Referring to Fig. 4 and Fig. 5, in forementioned waveform steel web-profiled sheet combination beam embodiment, in order to strengthen waveform steel abdomen Plate-integrally-built stability of profiled sheet combination beam and while further reducing operation at the scene, set up formwork supporting plate, reduce existing Field operation and the difficulty of construction, the bottom of the first waveform steel web 3 and the bottom of second Wavelike steel webplate 4 are welded respectively It is connected on the bottom plate of troughing plate 5;Melting welding has peg 51 on the bottom of the troughing plate 5 and madial wall;There is bolt in melting welding The bottom of the troughing plate 5 of nail 51 is equipped with the second reinforced mesh 52a and the 3rd reinforced mesh 52b, second reinforcing bar Mesh sheet 52a is connected with the peg 51, the 3rd reinforced mesh 52b be arranged at the top of second reinforced mesh and away from There is preset distance from second reinforced mesh;It is pre- being equipped with the troughing plate 5 of the second reinforced mesh 52a It is cast with the second concrete layer 53;Wherein, the 3rd reinforced mesh 52b is located in second concrete layer and apart from described second The surface of concrete layer has preset distance.
In the present embodiment, troughing plate 5 and first waveform steel web 3 and second Wavelike steel webplate 4 are fixedly connected, Completed in advance in factory, thus, it is possible to further reduce operation at the scene when sets up formwork supporting plate, reduces field operation and construction Difficulty.
In addition, peg 51 is set in the troughing plate 5 and is equipped with the second reinforced mesh 52a and the 3rd reinforced mesh 52b, had not only added the bearing capacity of the second concrete layer 53, but can reduce the second concrete layer 53 sagging moment effect under easily Cracking situation occurs, and avoids distress in concrete exposed, the durability of structure will significantly improve.
Preferably, the second reinforced mesh 52a is tied up one in peg bottom above 20mm or so, preferably 20mm, and with peg Rise, effect is the interface shear stress transmitted between 5 and second concrete layer 53 of troughing plate;3rd reinforced mesh 52b is positioned at described Surface 15mm in second concrete layer 53 and apart from second concrete layer 53 or so, preferably 15mm, i.e. the 3rd bar-mat reinforcement For piece 52b close to 15mm below 53 surface of the second concrete layer or so, preferably 15mm, main function is to uniformly transfer plate face lotus Carry, the effect such as control 53 crack developing of the second concrete layer.
Referring to Fig. 3, in forementioned waveform steel web-profiled sheet combination beam embodiment, when precast is had described first After the Wavelike steel webplate of concrete layer and the second concrete layer-profiled sheet combination beam lifting is transported to construction site, can directly it exist First concrete layer, 8 upper surface is equipped with the 4th reinforced mesh 11, is being equipped with described in the 4th reinforced mesh 11 Pour into a mould to form the 3rd concrete layer 12 in the upper surface of first concrete layer 8.First waveform steel abdomen need not be carried out at the construction field (site) Positioning between plate and the second Wavelike steel webplate, it is not required that set up formwork supporting plate at the construction field (site), greatly reduce field operation And the difficulty of construction.
The embodiment of the present invention can be applied to the combination beam of highway bridge and urban viaduct.
Referring to shown in Fig. 2 to Fig. 5, the present invention makes the construction method of Wavelike steel webplate-profiled sheet combination beam, can wrap Include:
In the factory, carry out comprising the following steps 101 to step 104 construction procedure:
Step 101, at the top of first waveform steel web 3 fix the first top flange 31, on the top of the second Wavelike steel webplate 4 The second top flange 41 is fixed in portion.
First top flange 31 and the second top flange 41 can be separately fixed at 3 He of first waveform steel web by welding The top of second Wavelike steel webplate 4.
Step 102, be fixedly connected with profiled sheet 6 between first top flange 31 and second top flange 41.
In the present embodiment, the profiled sheet 6 refers to sheet metal through cold pressing or the molding steel of cold rolling.Profiled sheet can It is pressed into waveform, hyperbolic waveform, ribbed, V-arrangement, type of putting more energy into etc..Profiled sheet in the present embodiment is preferably waveform profiled sheet.
Step 103, the first reinforced mesh of upper laying 7 in the profiled sheet 6.
Step 104, the first concrete layer of precast on the profiled sheet 6 of first reinforced mesh 7 is equipped with 8。
Construction method provided in an embodiment of the present invention, is fixedly connected with die mould steel between the first top flange and the second top flange Plate, is laid with the first reinforced mesh on the profiled sheet, on the profiled sheet of first reinforced mesh is equipped with The first concrete layer of precast, in this way, when the Wavelike steel webplate-pressure for making the construction method provided according to embodiments of the present invention Shape steel plate combination beam directly can carry out concrete on the first concrete layer of precast and pour after factory is transported to construction site Note construction, it is not necessary to carry out the positioning between first waveform steel web and the second Wavelike steel webplate at the construction field (site), it is not required that Formwork supporting plate is set up at the construction field (site), is greatly reduced the difficulty of field operation and construction, is quickly applied so as to fulfill steel structure bridge The purpose of work;Also, due to being fixedly connected with profiled sheet between the first top flange and the second top flange, in the die mould steel The first reinforced mesh is equipped with plate, had so not only added the bearing capacity of concrete layer, but also concrete layer can be reduced just curved The lower easy cracking situation of square effect occurs, and avoids distress in concrete exposed, the durability of structure will significantly improve.
It is described to be fixedly connected with die mould between first top flange and second top flange in foregoing construction method Steel plate, can include:Peg 9 is fixed on first top flange 31 and on the second top flange 41 respectively;On described first Profiled sheet 6 is set between the edge of a wing 31 and second top flange 41, the profiled sheet 6 is fixed on by the peg 9 On on first top flange 31 and second top flange 41.
In the present embodiment, the peg can lead to melting welding mode be fixed on the first top flange and the second top flange on.Institute State profiled sheet to be fixed on first top flange with second top flange by the peg, die mould steel can be strengthened The bonding strength with the first top flange and the second top flange of plate.
In order to provide the interfacial shear force of concrete layer and easy to lift, in foregoing construction method, may also include: When being equipped with the first concrete layer 8 of precast on the profiled sheet of first reinforced mesh 7, pre-plugged ∩ steel bars Shear key 10, so that after completing to pour into a mould the first concrete layer, the end of the ∩ steel bars shear key 10 exposes described first Concrete layer 8, the part exposed can be as the suspension centres of lifting component.
In order to strengthen Wavelike steel webplate-integrally-built stability of profiled sheet combination beam and further reduce at the scene Formwork supporting plate is set up during operation, reduces the difficulty of field operation and construction, in foregoing construction method, the step 101 can also wrap Include:The bottom of the bottom of the first waveform steel web 3 and second Wavelike steel webplate 4 is separately fixed at a troughing plate 5 bottom;The melting welding peg 51 on the bottom of the troughing plate 5 and madial wall.
In the present embodiment, troughing plate 5 and first waveform steel web 3 and second Wavelike steel webplate 4 are fixedly connected, Completed in advance in factory, thus, it is possible to further reduce operation at the scene when sets up formwork supporting plate, reduces field operation and construction Difficulty.
In foregoing construction method, the construction method, further includes:Reach predetermined hard in first concrete layer 8 After degree, the component integral hoisting formed according to the step 101 to step 104 is transported to construction site, after positioning, in melting welding The bottom for having the troughing plate of peg 51 is laid with the second reinforced mesh 52a and the 3rd reinforced mesh 52b, second reinforcing bar Mesh sheet 52a the 3rd reinforced mesh 52b that are connected with the peg 51 are arranged at the top of second reinforced mesh;Spreading The second concrete layer of precast in the troughing plate 5 equipped with the second reinforced mesh 52a and the 3rd reinforced mesh 52b 53, so that the 3rd reinforced mesh 52b is located in second concrete layer and apart from the surface of second concrete layer With preset distance;The 4th reinforced mesh 11 is laid with 8 upper surface of the first concrete layer;It is being equipped with the 4th reinforcing bar Pour into a mould the 3rd concrete layer 12 in the upper surface of first concrete layer 8 of mesh sheet 11.
In the present embodiment, it is not necessary to carry out determining between first waveform steel web and the second Wavelike steel webplate at the construction field (site) Position, it is not required that set up formwork supporting plate at the construction field (site), greatly reduce the difficulty of field operation and construction.In addition, in the groove Peg 51 is set in shape steel plate 5 and is equipped with the 3rd reinforced mesh 52b of the second reinforced mesh 52a, had both added the second concrete The bearing capacity of layer 53, and the second concrete layer 53 situation easily cracking under sagging moment effect can be reduced and occurred, keep away Exempt from that distress in concrete is exposed, the durability of structure will significantly improve.
Preferably, the second reinforced mesh 52a is tied up one in peg bottom above 20mm or so, preferably 20mm, and with peg Rise, effect is the interface shear stress transmitted between 5 and second concrete layer 53 of troughing plate;3rd reinforced mesh 52b is positioned at described Surface 15mm in second concrete layer 53 and apart from second concrete layer 53 or so, preferably 15mm, i.e. the 3rd bar-mat reinforcement For piece 52b close to 15mm below 53 surface of the second concrete layer or so, preferably 15mm, main function is to uniformly transfer plate face lotus Carry, the effect such as control 53 crack developing of the second concrete layer.
The embodiment of the present invention can be applied to the combination beam of highway bridge and urban viaduct.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to scope of the claims.

Claims (5)

  1. A kind of 1. Wavelike steel webplate-profiled sheet combination beam, it is characterised in that including:
    First waveform steel web and the second Wavelike steel webplate;The first top flange is fixed with the top of the first waveform steel web, The second top flange is fixed with the top of second Wavelike steel webplate;
    The plate face of the first waveform steel web and the second Wavelike steel webplate is opposite and spaced setting;
    Profiled sheet is fixedly connected between first top flange and second top flange;On the profiled sheet upper berth Equipped with the first reinforced mesh;The profiled sheet is waveform profiled sheet;
    Precoat on the profiled sheet of first reinforced mesh is equipped with and be marked with the first concrete layer;
    ∩ steel bar shear keies are embedded with first concrete layer;Expose described in the end of the ∩ steel bars shear key First concrete layer;
    The bottom of the first waveform steel web and the bottom of second Wavelike steel webplate are respectively welded at the bottom of troughing plate On plate;
    Melting welding has peg on the bottom of the troughing plate and madial wall;
    After first concrete layer reaches predetermined hardness, above-mentioned component integral hoisting is transported to construction site, after positioning, The bottom for having the troughing plate of peg in melting welding is equipped with the second reinforced mesh and the 3rd reinforced mesh, second reinforcing bar Mesh sheet is held together in peg bottom above 20mm, and with peg, and the 3rd reinforced mesh is arranged at second bar-mat reinforcement The top of piece and apart from the second reinforced mesh 15mm;
    The second concrete layer is marked with being equipped with to precoat in the troughing plate of second reinforced mesh;Wherein, the 3rd steel Muscle mesh sheet is located in second concrete layer and has preset distance apart from the surface of second concrete layer.
  2. 2. Wavelike steel webplate according to claim 1-profiled sheet combination beam, it is characterised in that in first upper limb On edge and it is respectively fixed with peg on the second top flange;
    The profiled sheet by the peg be fixed on first top flange and second top flange on.
  3. 3. Wavelike steel webplate according to claim 1-profiled sheet combination beam, it is characterised in that in first coagulation Soil layer upper surface is equipped with the 4th reinforced mesh;
    The 3rd concrete layer is cast with the upper surface for first concrete layer for being equipped with the 4th reinforced mesh.
  4. 4. a kind of construction method for making Wavelike steel webplate-profiled sheet combination beam, it is characterised in that in the factory, wrapped Following step 101 is included to the construction procedure of step 104:
    Step 101, fix the first top flange at the top of first waveform steel web, and is fixed at the top of the second Wavelike steel webplate Two top flanges;The bottom of the bottom of the first waveform steel web and second Wavelike steel webplate is separately fixed at a flute profile The bottom of steel plate;The melting welding peg on the bottom of the troughing plate and madial wall;
    Step 102, be fixedly connected with profiled sheet between first top flange and second top flange;The profiled sheet For waveform profiled sheet;
    Step 103, the first reinforced mesh of upper laying in the profiled sheet;
    Step 104, the first concrete layer of precast on the profiled sheet of first reinforced mesh is equipped with;
    The method further includes:The first concrete layer of precast on the profiled sheet of first reinforced mesh is equipped with When, pre-plugged ∩ steel bar shear keies, so that after completing to pour into a mould the first concrete layer, the end of the ∩ steel bars shear key Expose first concrete layer in portion;
    The method further includes:, will be according to the step 101 to step after first concrete layer reaches predetermined hardness The 104 component integral hoistings formed are transported to construction site, after positioning, there is the bottom paving of the troughing plate of peg in melting welding If the second reinforced mesh and the 3rd reinforced mesh, second reinforced mesh is tied up in peg bottom above 20mm, and with peg Together, the 3rd reinforced mesh is arranged at the top of second reinforced mesh and apart from the second reinforced mesh 15mm; The second concrete layer of precast in the troughing plate of second reinforced mesh and the 3rd reinforced mesh is being equipped with, so that 3rd reinforced mesh is located in second concrete layer and has pre- spacing apart from the surface of second concrete layer The 4th reinforced mesh is laid with from the first concrete layer upper surface;It is being equipped with described the first of the 4th reinforced mesh Pour into a mould the 3rd concrete layer in the upper surface of concrete layer.
  5. 5. construction method according to claim 4, it is characterised in that described on first top flange and described second Profiled sheet is fixedly connected between the edge of a wing, including:
    Peg is fixed on first top flange and on the second top flange respectively;
    Profiled sheet is set between first top flange and second top flange, the profiled sheet is passed through into the bolt Nail be fixed on first top flange and second top flange on.
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