CN115354740A - Aerial steel platform and construction method - Google Patents
Aerial steel platform and construction method Download PDFInfo
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- CN115354740A CN115354740A CN202210955336.8A CN202210955336A CN115354740A CN 115354740 A CN115354740 A CN 115354740A CN 202210955336 A CN202210955336 A CN 202210955336A CN 115354740 A CN115354740 A CN 115354740A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
Abstract
The invention discloses an aerial steel platform and a construction method, wherein the aerial steel platform comprises two concrete structures and a bailey frame, the two concrete structures are arranged at intervals, the tops of the two concrete structures are provided with connecting parts, and the connecting parts are fixedly connected with the two concrete structures; the bailey truss is arranged right below the connecting part and fixedly connected with the two concrete structures, the concrete structures are constructed by the construction method through the aerial steel platform, the structure and the combination mode of the bailey truss are simple and high in stability, the bailey truss can provide support for the construction process, the bailey truss is convenient to install and remove, the bailey truss is arranged below the connecting part and can be hoisted by a truck crane, and the convenience in installation and removal is further improved, so that the construction progress is improved, the safety risk is reduced, the material quantity of the bailey truss is less than that of the bailey truss in the prior art, and the construction cost is reduced.
Description
Technical Field
The invention relates to the field of aerial concrete construction, in particular to an aerial steel platform and a construction method.
Background
The corridor is arranged between the tower buildings more and more, the corridor is high, medium and low in position, the corridor at the high position basically adopts a steel structure, and after the structure of the two tower buildings is completed, an integral lifting method is adopted. The individual structures are designed to pursue the superiority of the concrete structure, and are designed to be concrete structures at high altitudes. The traditional construction method of the air concrete corridor is to set up full red scaffolds, the space between the upright posts of the scaffolds is small, and the floor supported by the upright posts of the scaffolds must be reinforced layer by layer until the floor of the building is positioned on the floor. The traditional construction method has the following defects: firstly, the use amount of scaffolds is very large, the erection and dismantling period is very long, and the cost is high; and secondly, the safety risk of erecting and dismantling the scaffold in the air in a full space is high.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an aerial steel platform which can improve the construction progress, reduce the construction cost and reduce the safety risk.
The invention further provides a construction method using the aerial steel platform.
According to the aerial steel platform disclosed by the embodiment of the first aspect of the invention, the number of the concrete structures is two, the two concrete structures are arranged at intervals, the tops of the two concrete structures are provided with connecting parts, and the connecting parts are fixedly connected with the two concrete structures; the Bailey frames are arranged under the connecting parts and fixedly connected with the two concrete structures.
The aerial steel platform provided by the embodiment of the invention at least has the following beneficial effects: because the structure and the compound mode of bailey truss itself are simple and stability is strong, so can provide the support to the work progress to the installation is demolishd conveniently, arranges bailey truss in connecting portion also be even in the corridor below, makes can adopt the truck crane hoist and mount bailey truss, has further improved the convenience of installation with demolishd, thereby has just also improved the construction progress and has reduced safe risk, and the material volume that adopts bailey truss is also less than the material volume that adopts among the prior art, has reduced the operating expenses.
According to some embodiments of the invention, the bailey frames are spaced apart in a width direction of the concrete structure.
According to some embodiments of the invention, a shear wall is vertically arranged at the edge of the concrete structure, a through hole is arranged on the shear wall, a first support is arranged in the through hole, and the bailey bracket is fixedly connected with the first support.
According to some embodiments of the invention, the through hole is provided with hidden columns on two sides, the hidden columns are arranged on two sides inside the shear wall, the top of the through hole is provided with a hidden beam, and the hidden beam is arranged at the top end inside the shear wall.
According to some embodiments of the invention, the edge of the concrete structure is vertically provided with a column, and the bailey frames are arranged on two sides of the column.
According to some embodiments of the invention, the edge of the concrete structure is further provided with an edge beam and a floating plate, the edge beam is horizontally arranged, the edge beam is fixedly connected with one side of the column body, and the floating plate is fixedly connected with the other side of the column body.
According to some embodiments of the invention, the edge of the concrete structure is further provided with a cantilever beam, the cantilever beam is fixedly connected with the floating plate, and the edge beam penetrates through the column body and is fixedly connected with the cantilever beam.
According to some embodiments of the invention, the edge beam is provided with a second support, and the bailey truss is fixedly connected with the second support.
According to some embodiments of the present invention, the first support and the second support include a first support, a stiffener plate, and a base, the base is disposed at a bottom of the first support, the base is fixedly connected to the first support, the stiffener plate is disposed at two sides of the first support, and the first support is configured to be fixedly connected to the bailey truss.
According to the construction method of the second aspect embodiment of the invention, the construction of the concrete structure by the aerial steel platform of the first aspect embodiment comprises the following steps:
when the construction distance between the two concrete structures is equal to the height of two floors of the connecting part in the design, the Bailey truss is arranged between the two concrete structures;
modeling calculation is carried out on the construction process, each layer of the connecting part is set to be a working condition, and three kinds of software, namely MIDAS, 3D3S and PKPM are adopted to calculate each working condition;
according to the calculation result, heightening the section of the side beam, improving the section of a longitudinal tension steel bar, arranging the cantilever beam, and arranging the hidden beam and the hidden column;
installing the first support and the second support;
a second supporting piece is arranged on the upper surface of the Bailey truss, the second supporting piece and the Bailey truss are vertically arranged, and a disc buckling frame is arranged on the top of the second supporting piece;
pouring the concrete structure on the layer below the connecting part;
when the strength of the concrete structure at the layer below the connecting part reaches 70%, continuously installing a new disc buckle frame on the original disc buckle frame, and continuously performing pouring construction on the concrete structure and the connecting part;
and when the concrete strength of the concrete structure and the connecting part at the top layer reaches 100%, removing the disc buckling frame from the top to the bottom, and then removing the Bailey frames.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a concrete structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a concrete structure and a bailey frame according to an embodiment of the present invention;
figure 3 is a top view of a concrete structure and bailey truss of an embodiment of the present invention;
FIG. 4 is a schematic structural view of a shear wall and a Bailey frame according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a shear wall according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of an edge beam and a drift plate according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of an edge beam and a cantilever beam according to an embodiment of the present invention;
FIG. 8 is a schematic structural view of a column, a boundary beam, a cantilever beam and a bailey frame according to an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a first support and a second support according to an embodiment of the present invention;
FIG. 10 is a step diagram of a construction method according to an embodiment of the present invention;
FIG. 11 is a step diagram of a construction method according to an embodiment of the present invention;
FIG. 12 is a step diagram of a construction method according to an embodiment of the present invention;
reference numerals:
the concrete structure 100, the connecting part 110, the bailey frame 200, the column 120, the shear wall 130, the through hole 131, the first support 132, the hidden column 133, the hidden beam 134, the edge beam 140, the floating plate 150, the cantilever beam 160, the second support 141, the first support 310, the stiffening plate 320, the base 330 and the disc buckle frame 400.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to the orientation description, such as the directions of up, down, front, rear, left, right, etc., may be based on those shown in the drawings, only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 3, the present invention provides an aerial steel platform, which comprises two concrete structures 100 and a bailey frame 200, wherein the two concrete structures 100 are arranged at intervals, the top of each of the two concrete structures 100 is provided with a connecting part 110, and the connecting part 110 is fixedly connected with both of the two concrete structures 100; the bailey frames 200 are disposed right below the connection portions 110, and the bailey frames 200 are fixedly connected to the two concrete structures 100.
The bailey truss 200 adopts the existing '321' fabricated steel bridge structure, the combined form is a double-row single-layer structure, namely two vertically-arranged framework members are arranged at intervals to form a group, and only one layer of bailey truss 200 is arranged in the vertical direction, because the bailey truss 200 adopts the '321' fabricated steel bridge structure, the stability and the support are strong, and the bailey truss can be assembled on the ground at present, and is positioned at the connecting part 110, namely below the connecting gallery, through the bailey truss 200, in the embodiment, specifically, the bailey truss 200 is arranged at the height of two layers below the connecting part 110, the space between the bailey truss 200 and the connecting part 110 can be reserved at the height, namely the space for installing and hoisting the bailey truss 200, so that the installation and hoisting of the bailey truss 200 can be conveniently carried out by utilizing a truck crane or other hoisting and installation modes, compared with the mode for erecting the bailey truss in the prior art, the method is more convenient and convenient, the material quantity is saved, compared with the scheme using a large number of the bailey truss in the prior art, the method for erecting the bailey truss can reduce the material consumption for erecting periods, the progress, and the safety of the construction and the construction of the bailey truss, and the safety of the bailey truss can be conveniently used in the construction, and the construction, the safety of the bailey truss can be reduced.
It is understood that the height of one floor is designed according to the design drawing of the concrete structure 100, and the specific height is designed according to the actual situation.
In some embodiments of the present invention, the bailey frames 200 are spaced apart in the width direction of the concrete structure 100.
In this embodiment, the adjacent combination interval of the bailey frames 200 is set to be 1.8m, and the bailey frames 200 are arranged in the interval distribution manner, so that the load received by the bailey frames 200 can be uniformly transmitted to the concrete structure 100 at intervals, the strength and rigidity of the bailey frames 200 are improved, and the bailey frames 200 can be better supported in the construction process.
In some embodiments of the present invention, the concrete structure 100 is vertically provided at the edge thereof with the columns 120, and the bailey frames 200 are provided at both sides of the columns 120.
The load and the stress on the two sides of the column body 120 can be the same by arranging the column body 120 on the two sides, and the stress on the column body 120 which is vertically arranged and the stress on other concrete members which are horizontally arranged, namely the edge beam 140, are uniform, so that the column body 120 and the other concrete members cannot be damaged due to nonuniform stress, and potential safety hazards are avoided.
Referring to fig. 4 to 5, in some embodiments of the present invention, a shear wall 130 is further vertically disposed at an edge of the concrete structure 100, a through hole 131 is disposed on the shear wall 130, a first support 132 is disposed in the through hole 131, and the bailey bracket 200 is fixedly connected to the first support 132.
Because the bailey truss 200 mainly bears the load in the vertical direction, and the shear wall 130 is a vertically arranged structure, in order to better transmit the load of the bailey truss 200 to the shear wall 130, the through hole 131 is arranged, the first support 132 is arranged in the through hole 131, and the bailey truss 200 can transmit the load to the shear wall 130 by being connected with the first support 132. In the present embodiment, the through hole 131 is disposed at the center of the shear wall 130, and the central location enables the load transferred from the bailey truss 200 to be uniformly transferred inside the shear wall 130.
In some embodiments of the present invention, the through-holes 131 are provided with the hidden columns 133 at both sides thereof, the hidden columns 133 are provided at both sides of the interior of the shear wall 130, the top of the through-holes 131 is provided with the hidden beams 134, and the hidden beams 134 are provided at the top of the interior of the shear wall 130.
Because the shear wall 130 is provided with the through holes 131, the structural strength of the shear wall 130 is reduced, and in order to avoid potential safety hazards, the shear wall 130 needs to be structurally reinforced, and then the hidden columns 133 and the hidden beams 134 need to be arranged, and the hidden beams 134 and the hidden columns 133 are arranged inside the wall body of the shear wall 130, so that the hidden beams 134 and the hidden columns 133 can be used for bearing the in-plane bending moment applied to the wall body of the shear wall 130, and the structural strength of the shear wall 130 is improved.
Referring to fig. 6 to 8, in some embodiments of the present invention, the edge of the concrete structure 100 is further provided with an edge beam 140 and a float plate 150, the edge beam 140 is horizontally disposed, the edge beam 140 is fixedly connected to one side of the column 120, and the float plate 150 is fixedly connected to the other side of the column 120.
In some embodiments of the present invention, the edge of the concrete structure 100 is further provided with a cantilever beam 160, the cantilever beam 160 is fixedly connected to the floating plate 150, and the edge beam 140 passes through the column 120 and is fixedly connected to the cantilever beam 160.
Since many concrete structures 100, that is, buildings, are designed with elevated corridor due to appearance or design, the boundary beams 140 and the flying plates 150 are installed at the edges of the concrete structures 100, that is, buildings and towers, and since the bailey frames 200 are installed, in order to satisfy the bearing and deformation requirements required in the worst working conditions of the construction of the connection part 110, the section of the boundary beam 140 needs to be heightened, and the longitudinal tendon section is increased, and the flying plates 150 are installed such that the boundary beams 140 protrude outward to form the cantilever beam 160 in order to simultaneously increase the bearing capacity, so that the bearing capacity under the worst working conditions in the construction can be satisfied, and then the bailey frames 200, that is, both sides of the column body 120, are installed on the cantilever beam 160 and the boundary beam 140.
In some embodiments of the present invention, the edge beam 140 is provided with a second support 141, and the bailey bracket 200 is fixedly connected to the second support 141.
In this embodiment, the second support 141 is disposed at the center of the edge beam 140, and the torque and the bending moment inside the edge beam 140 are uniformly distributed at the center, so that the load transmitted by the bailey truss 200 can be uniformly borne by the edge beam 140, the structural damage caused by uneven stress and load is reduced, and the potential safety hazard is reduced.
Referring to fig. 9, in some embodiments of the present invention, the first support 132 and the second support 141 include a first support 310, a stiffener plate 320, and a base 330, the base 330 is disposed at the bottom of the first support 310, the base 330 is fixedly connected to the first support 310, the stiffener plate 320 is disposed at two sides of the first support 310, and the first support 310 is used for being fixedly connected to the beret 200.
In order to enable the vertical load of the bailey truss 200 to be transmitted to the edge beam 140 and the shear wall 130, the first support 132 and the second support 141 are provided, and the first support 132 and the second support 141 adopt the same structure, wherein specifically, the first support 310 adopts wide-flange H-shaped steel, the specification is 250 × 250 × 9 × 14, the H-shaped steel is adopted because the H-shaped steel has lighter weight and less material consumption under the same bearing capacity, and the stiffening plate 320 is provided at the symmetrical stress position of the first support 310, namely the H-shaped steel, and the stiffening plate 320 can improve the bearing capacity of the first support 310, so that the load can be better transmitted, the base 330 is provided at the bottom of the first support 310, and the base 330 is poured by using high-strength grouting material, so that the load transmission capacity is further improved.
Referring to fig. 10 to 12, the present invention also provides a construction method for constructing a concrete structure 100 by using the aerial steel platform of the above embodiment, including the following steps:
s100, when the construction distance between the two concrete structures 100 is designed to be the height of two floors of the connecting part 110, arranging the Bailey truss 200 between the two concrete structures 100;
because the concrete structure 100 is constructed from the bottom to the top, when the concrete structure 100 is constructed to a height which is two layers higher than the connecting part 110, namely the corridor, the installation work of the bailey frames 200 can be carried out, after the bailey frames 200 are assembled on the ground, the bailey frames 200 are hoisted by using a truck crane or other hoisting methods, when the bailey frames 200 are installed, the bailey frames 200 are arranged according to the interval of 1.8m between each group, when the column 120 is encountered during the installation, the bailey frames are installed on two sides of the column 120, when the bailey frames 200 need to be installed on the shear wall 130, the bailey frames 200 penetrate through the through holes 131 and are fixedly connected with the first supports 132 arranged in the through holes 131, and when the bailey frames are installed on the side beams 140, the bailey frames 200 are installed on the second supports 141 in the side beams 140.
S200, modeling calculation is carried out on the construction process, each layer poured on the connecting part 110 is set as a working condition, and three kinds of software, namely MIDAS, 3D3S and PKPM, are adopted to calculate each working condition;
according to the working condition that each layer is poured on the connecting part 110, in the embodiment, the live load is 1kN/m 2 The deformation control value of the reinforced concrete beam of the connecting part 110 is L/400 (L is the span), and the maximum crack width limit value is 0.30mm. And analyzing and calculating each construction working condition by using MIDAS and 3D3S software, and taking the worst calculation result of the two soft solutions as design values when the calculated structure deviation value is less than 10%, namely respectively selecting the maximum bearing capacity and the maximum midspan downwarp value of the Bailey truss 200 as construction control values. When the calculation structure deviation value is not less than 10%, introducing PKPM software to carry out calculation analysis, and selecting two software with the calculation deviation value less than 10% to calculate the structure into an effective value.
S300, heightening the section of the boundary beam 140 according to the calculation result, improving the section of the longitudinal tension steel bar, arranging the cantilever beam 160, and arranging the hidden beam 134 and the hidden column 133;
according to the calculation result in S200, the cross section of the edge beam 140 is heightened, that is, the cross section of the edge beam 140 is increased, and meanwhile, the cross section of the longitudinal tension reinforcement is increased, the floating plate 150 is arranged such that the edge beam 140 penetrates out to form the cantilever beam 160, and the hidden column 133 and the hidden beam 134 are arranged on the shear wall 130, so as to ensure that the bearing capacity of each structure meets the requirement.
S400, mounting the first support 132 and the second support 141;
the first support member 310 is installed at the designed elevation after the first support member 132 and the second support member 141 are installed, and finally the foundation 330 is formed at the bottom of the first support member 310 by high grouting material.
S500, mounting a second support (not shown) on the upper surface of the bailey frame 200, the second support being perpendicular to the bailey frame 200, and mounting a disc buckle frame 400 on the top of the second support;
specifically, the second support member is the i-steel, and the installation direction of second support member is parallel with the width direction of concrete structure 100, that is to say perpendicular with the direction of bailey truss 200 for connect each bailey truss 200, transmit vertical load to each bailey truss 200 on, set up the dish on the second support member and detain frame 400 afterwards, dish detain frame 400 and be current well-known structure, and dish detains frame 400 and installs according to the die carrier design drawing, installs pole setting, horizontal pole earlier, and the back is installed the down tube, installs horizontal shear brace at last. After the installation is finished, the adjustable top dragging elevation of the top of the vertical rod of the disc fastener is adjusted, the adjustable top support of the top of each vertical rod is adjusted according to the corresponding deflection value of each vertical rod position generated by the maximum mid-span deflection value of the bailey truss 200 in the working condition, and the adjusted final value is the theoretical elevation plus the corresponding deflection value.
S600, pouring construction is carried out on the concrete structure 100 on the lower layer of the connecting part 110;
and constructing the concrete on the upper layer of the bailey truss 200 according to the most common flow steps of concrete construction, namely the sequence of template, reinforcing steel bar, concrete pouring and maintenance.
S700, when the strength of the concrete structure 100 on the next layer of the connecting part 110 reaches 70%, continuously installing a new plate buckling frame 400 on the original plate buckling frame 400, and continuously performing pouring construction on the concrete structure 100 and the connecting part 110;
after the strength of the concrete structure 100 completed by the construction in the step S600 reaches 70%, a new disc holder 400 is installed on the original disc holder 400, the installation and adjustment of the disc holder 400 are the same as in the step S500, and then the concrete structure 100 is continuously subjected to the same construction casting step as in the step S600 as above.
And S800, after the concrete strength of the top concrete structure 100 and the connecting part 110 reaches 100%, the coil buckling frame 400 is disassembled from the top to the bottom, and then the Bailey frame 200 is disassembled.
And after the concrete strength of the top concrete structure 100 and the connecting part 110 reaches 100%, the disc buckling frame 400 is dismantled from the top, then the bailey frame 200 is dismantled, and the bailey frame 200 is hoisted to the ground by using a truck crane or other hoisting modes.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. An aerial steel platform, comprising:
the concrete structure comprises two concrete structures, wherein the two concrete structures are arranged at intervals, connecting parts are arranged at the tops of the two concrete structures, and the connecting parts are fixedly connected with the two concrete structures;
the bailey frames are arranged under the connecting parts and are fixedly connected with the two concrete structures.
2. The aerial steel platform of claim 1, wherein: the bailey frames are distributed at intervals in the width direction of the concrete structure.
3. The aerial steel platform of claim 1, wherein: the concrete structure is characterized in that a shear wall is vertically arranged at the edge of the concrete structure, a through hole is formed in the shear wall, a first support is arranged in the through hole, and the bailey frame is fixedly connected with the first support.
4. The aerial steel platform of claim 3, wherein: the shear wall is characterized in that hidden columns are arranged on two sides of the through hole, the hidden columns are arranged on two sides of the interior of the shear wall, a hidden beam is arranged at the top of the through hole, and the hidden beam is arranged on the top end of the interior of the shear wall.
5. The aerial steel platform of claim 1, wherein: the concrete structure's edge is provided with the cylinder vertically, the bailey frame is arranged in the both sides of cylinder.
6. The aerial steel platform of claim 5, wherein: the concrete structure's edge still is provided with the boundary beam and floats the board, the boundary beam level arranges, the boundary beam with one side fixed connection of cylinder, float the board with the opposite side fixed connection of cylinder.
7. The aerial steel platform of claim 6, wherein: the concrete structure's edge still is provided with the cantilever beam, the cantilever beam with waft board fixed connection, the boundary beam passes the cylinder with cantilever beam fixed connection.
8. The aerial steel platform of claim 6, wherein: the boundary beam is provided with a second support, and the bailey truss is fixedly connected with the second support.
9. Aerial steel platform according to one of claims 4 or 8, characterized in that: the first support and the second support comprise a first support piece, stiffening plates and a base, the base is arranged at the bottom of the first support piece and fixedly connected with the first support piece, the stiffening plates are arranged on two sides of the first support piece, and the first support piece is fixedly connected with the Bailey truss.
10. A construction method, wherein the concrete structure is constructed by the aerial steel platform of any one of claims 1 to 9, comprising:
when the construction distance between the two concrete structures is equal to the height of two floors of the connecting part in the design, the Bailey truss is arranged between the two concrete structures;
modeling calculation is carried out on the construction process, each layer of the connecting part is set to be a working condition, and three kinds of software, namely MIDAS, 3D3S and PKPM, are adopted to calculate each working condition;
according to the calculation result, heightening the section of the side beam, improving the section of the longitudinal tension steel bar, arranging the cantilever beam, and arranging the hidden beam and the hidden column;
installing the first support and the second support;
a second supporting piece is arranged on the upper surface of the Bailey truss, the second supporting piece and the Bailey truss are vertically arranged, and a disc buckling frame is arranged on the top of the second supporting piece;
pouring the concrete structure on the layer below the connecting part;
when the strength of the concrete structure on the layer below the connecting part reaches 70%, a new disc buckling frame is continuously installed on the original disc buckling frame, and the pouring construction of the concrete structure and the connecting part is continuously carried out;
and when the concrete strength of the concrete structure and the connecting part at the top layer reaches 100%, removing the disc buckling frame from the top to the bottom, and then removing the Bailey frames.
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