CN103696577B - Overhead steel-beam stress platform and construction method thereof - Google Patents
Overhead steel-beam stress platform and construction method thereof Download PDFInfo
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Abstract
The invention provides an overhead steel-beam stress platform and a construction method thereof, and belongs to the field of building construction. The overhead steel-beam stress platform is arranged between two buildings and comprises a plurality of main steel beams, a plurality of secondary steel beams, a steel pipe template and a steel pipe bent frame, the main steel beams are arranged in parallel, the secondary steel beams are arranged in parallel, the main steel beams are vertically connected with the secondary steel beams to form a steel beam frame plate, the steel pipe template is arranged on the steel beam frame plate, the steel pipe bent frame is arranged on the secondary steel beams, and two ends of each main steel beam are respectively and firmly arranged on the buildings on two sides. According to the different structural situations of a storage position of the main steel beam of built floors of the buildings on two sides, the main steel beams can be firmly built by selecting one or two of the following ways, so that the characteristics of safety and reliability in construction, simplicity and feasibility can be realized; moreover, the recyclability of each steel component can be guaranteed, and the construction cost is effectively reduced.
Description
Technical field
The present invention relates to the realm of building construction, be specifically related to the stressed platform of overhead steel-beam and construction method thereof.
Background technology
Along with the development of building trade in recent years, the appearance forrns of aerial gallery structure or unsettled concrete structure selected by increasing highrise building.When this structure construction, often need to set up supporting facility immediately below it, the stressed platform of such as girder steel, carry out smoothly in order to auxiliary formwork engineering, to realize the construction of aerial gallery structure or unsettled concrete structure.
Under normal circumstances, before main girder steel is set up, all on the floor face of setting up floor, arrange various embedded part or bearing, main girder steel is directly held on and flooring carries out installation and set up and be namely welded to connect with described embedded part or bearing.
But, the form of structure development variation of modern architecture, the structure node being unfavorable for installing will be run into during the stressed putting up platform of girder steel, according to the feature at each position, select the treatment measures be applicable to, to provide safe and reliable execution conditions, obtaining significant economic benefit, is the technical problem of the main solution of Modern Construction Technology.
Summary of the invention
The object of the present invention is to provide the stressed platform of overhead steel-beam and construction method thereof, set up with what solve the main girder steel of the stressed platform of overhead steel-beam the problem that floor directly should not set up main girder steel, thus it is reliable, simple and can ensure the object of the recoverable of each girder steel element to realize construction safety.
In order to solve the problems of the technologies described above, the invention provides the stressed platform of a kind of overhead steel-beam, be set up between two buildings, comprise some main girder steels, several times girder steel, steel pipe template and steel pipe framed bent, described some main girder steels be arranged in parallel, described time girder steel be arranged in parallel, and described main girder steel is vertical with described girder steel is connected to form girder steel frame plate, described steel pipe template-setup is on described girder steel frame plate, described steel pipe framed bent is arranged on described girder steel, and two ends of the main girder steel of every root are firmly erected on the architectural of both sides respectively.
Optionally, when main girder steel corresponding set up floor cannot meet carrying condition time, the substructure post that this sets up floor arranges a Reinforced Concrete Corbels for fixing main girder steel.Optionally, described Reinforced Concrete Corbels is built by the main muscle of bracket and bracket stirrup and is formed, and the main muscle of described bracket anchors in described substructure post.
Optionally, when the floor height setting up floor of main girder steel both sides is different, by arranging the level at the padded floor face place higher to structural elevation of little steel column on the floor face that structural elevation is lower.Optionally, described little steel column is together with structural wall board drawknot.
Optionally, when main girder steel corresponding set up floor there is Core Walls Structure shear wall time, on described shear wall, hole to be provided is established in the position of corresponding main girder steel, and in hole to be provided pre-buried first pre-embedded steel slab, the end of described main girder steel to be stretched in described hole to be provided and is fixedly connected with described first pre-embedded steel slab.
Accordingly, the present invention also provides the construction method of the stressed platform of a kind of overhead steel-beam, for setting up the stressed platform of overhead steel-beam between two buildings, comprises the steps:
Step one, set up each main girder steel, the different structure situation residing for a position is shelved according to the main girder steel setting up floor of both sides building, select following a kind of or two kinds of modes to realize firmly setting up of main girder steel: (1) when the floor height setting up floor of main girder steel both sides is different, by the level at padded for floor face lower for the structural elevation floor face place higher to structural elevation; (2) when corresponding the setting up when floor has Core Walls Structure shear wall of main girder steel offers hole to be provided on shear wall; and the first pre-embedded steel slab is preset in hole to be provided; during installation, main girder steel is directly slowly pulled in hole to be provided by tower crane, and is welded and fixed in the end of main girder steel and the first pre-embedded steel slab; (3) when main girder steel corresponding set up position cannot meet carrying condition time, substructure post arranges one for shelving the Reinforced Concrete Corbels of main girder steel; (4) except above three kinds of situations, main girder steel is shelved and is fixed on and sets up on the floor face of floor;
Step 2: lift each girder steel, is connected to form girder steel frame plate by main girder steel with time girder steel is vertical;
Step 3: girder steel frame plate is laid steel pipe template;
Step 4: secondary girder steel is set up steel pipe framed bent.
Optionally, described Reinforced Concrete Corbels is built by the main muscle of bracket and bracket stirrup and is formed, and the main muscle of described bracket anchors in described substructure post.
Optionally, when the floor height setting up floor of main girder steel both sides is different, by arranging the level at the padded floor face place higher to structural elevation of little steel column on the floor face that structural elevation is lower, described little steel column is together with structural wall board drawknot.
The stressed platform of a kind of overhead steel-beam provided by the invention, be set up between two buildings, comprise some main girder steels, several times girder steel, steel pipe template and steel pipe framed bent, described some main girder steels be arranged in parallel, described time girder steel be arranged in parallel, and described main girder steel is vertical with described girder steel is connected to form girder steel frame plate, described steel pipe template-setup is on described girder steel frame plate, described steel pipe framed bent is arranged on described girder steel, two ends of the main girder steel of every root are firmly erected on the architectural of both sides respectively, there is construction safety reliable, simple and the advantage of the recoverable of each girder steel element can be ensured.
The construction method of the stressed platform of a kind of overhead steel-beam provided by the invention, because the impact that a position is subject to different form of structure and floor height height shelved by main girder steel, directly cannot carry out the construction of steel platform, special process need be taked, meet its execution conditions, when girder steel putting up platform, to different structure feature position, take corresponding processing mode, realize main girder steel safety, reliable mounting condition, it is reliable that whole process embodies construction safety, simple feature, and ensure that the recoverable of each Steel section member, effectively save construction cost, do not affect construction speed.
Accompanying drawing explanation
Fig. 1 is the structural representation of the stressed platform of one embodiment of the invention high and medium erection formula girder steel;
Fig. 2 is the main girder steel distribution schematic diagram of the stressed platform of one embodiment of the invention high and medium erection formula girder steel;
Fig. 3 is the primary and secondary girder steel distribution schematic diagram of the stressed platform of one embodiment of the invention high and medium erection formula girder steel;
Fig. 4 is the shear wall hole to be provided detail drawing of one embodiment of the invention;
Fig. 5 is the concrete bracket detail drawing of one embodiment of the invention.
Fig. 6 is one embodiment of the invention medium and small steel column booster structure detail drawing;
Fig. 7 is one embodiment of the invention medium and small steel column drawknot detail drawing;
In figure: the main girder steel of 1-, 2-girder steel, 3-steel pipe template, 4-steel pipe framed bent, 5-shear wall, 51-hole to be provided, 52-first pre-embedded steel slab, 6-substructure post, 61-steel pipe column, 7-Reinforced Concrete Corbels, the main muscle of 71-bracket, the curved anchor of 711-, 72-bracket stirrup, the little steel column of 8-, 9-second pre-embedded steel slab, 10-the 3rd steel plate, 11-splicing seams, 12-structural wall board, 13-channel-section steel, 14-the 4th pre-embedded steel slab, 15-the 5th pre-embedded steel slab, 16-catch net, 17-construct outrigger.
Detailed description of the invention
The stressed platform of overhead steel-beam proposed the present invention below in conjunction with the drawings and specific embodiments and construction method thereof are described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.
As shown in Figure 1 to Figure 3, the stressed platform of overhead steel-beam of one embodiment of the invention, is arranged between two highrise buildings, for the aerial gallery structure between highrise building and unsettled concrete structure construction.The stressed platform of described overhead steel-beam, comprise some main girder steels 1, several times girder steel 2, steel pipe template 3 and steel pipe framed bent 4, described some main girder steels 1 be arranged in parallel, described time girder steel 2 be arranged in parallel, and described main girder steel 1 is vertical with described girder steel 2 is connected to form girder steel frame plate, described steel pipe template 3 is arranged on described girder steel frame plate, and described steel pipe framed bent 4 is arranged on described girder steel 2, and two ends of the main girder steel of every root 1 are firmly erected on the architectural of both sides respectively.Setting like this, by two ends of main for every root girder steel 1 are firmly erected on the architectural of both sides respectively, stressed for overhead steel-beam platform safety reliably can be arranged at two architectural, thus the stressed platform of this overhead steel-beam can be utilized, realize the construction of aerial gallery structure.
Because the stressed platform of overhead steel-beam needs to use many main girder steels 1, Fig. 2 shows the main girder steel distribution schematic diagram of the stressed platform of one embodiment of the invention high and medium erection formula girder steel, what also show each main girder steel 1 of the present embodiment sets up syndeton simultaneously, and one has four kinds sets up syndeton A (shear wall box out), B(bracket), C(is padded) and D(directly shelve).The main girder steel of every root 1 to set up residing structural condition different, can select a kind of according to each concrete structural condition or both are suitable sets up syndeton, thus realize firmly setting up of main girder steel 1, finally be conducive to stable, the reliable stressed platform of overhead steel-beam of formation one, for the construction of aerial gallery structure.
Optionally, as shown in Figure 4, when main girder steel 1 correspondence set up floor there is Core Walls Structure shear wall 5 time, conventional main steel girder erection fixing means is hindered, and can not implement.In the present embodiment, syndeton A is set up in employing, namely on described shear wall 5, hole to be provided 51 is established in the position of corresponding main girder steel 1, and in hole to be provided 51 pre-buried first pre-embedded steel slab 52, the end of described main girder steel 1 to be stretched in described hole to be provided 51 and is fixedly connected with by welding manner with described first pre-embedded steel slab 52.Easy to connect between main girder steel 1 and the first pre-embedded steel slab 52, dismounting also facilitates, and ensure that the recoverable of main girder steel 1, has effectively saved construction cost.
Optionally, as shown in Figure 5, when main girder steel 1 correspondence set up floor cannot meet carrying condition time, such as main girder steel 1 correspondence to set up floor be cantilevered plate structure time, syndeton B is set up in employing, on the substructure post 6 that this sets up floor, namely arrange a Reinforced Concrete Corbels for fixing main girder steel.That is, the substructure post 6 of cantilevered plate structure is arranged a Reinforced Concrete Corbels 7 for fixing main girder steel 1.Because the bearing capacity of cantilevered plate structure is limited, the base surface must not shelved as main girder steel, in unavoidable situation, manufactures a condition being beneficial to main steel girder erection and setting up by arranging Reinforced Concrete Corbels 7.Optionally, described Reinforced Concrete Corbels 7 is built by the main muscle 71 of bracket and bracket stirrup 72 and is formed, the main muscle of described bracket 71 anchors in described substructure post 6, so, arranges the more firm safety of the connection that can make Reinforced Concrete Corbels 7 and described substructure post.
Optionally, as shown in Figure 6 and Figure 7, when the floor height setting up floor of main girder steel 1 both sides is different, by arranging the level at the padded floor face place higher to structural elevation of little steel column 8 on the floor face that structural elevation is lower.Pre-buried second pre-embedded steel slab 9 in position for arranging little steel column 8 on the floor face that structural elevation is lower, the lower end of described little steel column 8 is fixedly connected with described second pre-embedded steel slab 9, such as connected by welding manner, the upper end of described little steel column 8 is fixedly connected with described main girder steel 1 by the 3rd steel plate 10.Described little steel column 8 can be stitched together formation by two steel I-column welding manners, and splicing seams 11 as shown in Figure 7.Preferably, please continue to refer to Fig. 6 and Fig. 7, described little steel column 8, together with structural wall board 12 drawknot, to ensure the stability of little steel column 8, is set up with the safety and firmness being conducive to main girder steel 1.Concrete, described little steel column 8 with between structural wall board 12 by together with channel-section steel 13 drawknot.One end of described channel-section steel 13 is fixedly connected with the 4th pre-embedded steel slab 14 be preset on structure wall column 12, the other end vertically to stretch in little steel column 8 and is fixed together with little steel column 8, thus guarantee the steadiness of little steel column 8, and then improve further main girder steel 1 set up stability.Main girder steel 1 and the 3rd steel plate 10 and between easy to connect, dismounting also facilitates, and ensure that the recoverable of main girder steel 1, has effectively saved construction cost.That is, adopt in the floor face that structural elevation is lower and set up syndeton C, teach high floor face to adopt in structural elevation and set up syndeton D.
As Fig. 1 shows the schematic diagram setting up syndeton D, the floor face of setting up floor of described building is provided with the 5th pre-embedded steel slab 15, the described end of described main girder steel 1 is fixedly connected with described 5th pre-embedded steel slab 15, and namely described main girder steel 1 is directly shelved and is fixed on described 5th pre-embedded steel slab 15.Certainly, described 5th pre-embedded steel slab 15 also can be arranged to bearing (not shown), as long as directly can be connected just passable with main girder steel 1.
Please continue to refer to Fig. 1 to Fig. 7, accordingly, the present invention also provides the construction method of the stressed platform of a kind of overhead steel-beam, for setting up the stressed platform of overhead steel-beam between two buildings, comprises the steps:
Step one, set up each main girder steel 1, the different structure situation residing for a position is shelved according to the main girder steel setting up floor of both sides building, a kind of or two kinds of modes are below selected to realize firmly setting up of main girder steel 1: (1) is when the floor height setting up floor of main girder steel 1 both sides is different, namely when main girder steel 1 side the structural elevation setting up floor lower than opposite side set up the structural elevation of floor time, by the level at padded for floor face lower for the structural elevation floor face place higher to structural elevation; (2) when main girder steel 1 needs to set up Core Walls Structure shear wall 5; namely when main girder steel 1 correspondence set up floor there is Core Walls Structure shear wall 5 time; shear wall 5 is offered hole to be provided 51; and the first pre-embedded steel slab 52 is preset in hole to be provided 52; during installation; main girder steel 1 is directly slowly pulled in hole to be provided 51 by tower crane (not shown), and is welded and fixed in the end of main girder steel 1 and the first pre-embedded steel slab 52; (3) when main girder steel 1 correspondence set up position cannot meet carrying condition time, such as main girder steel 1 correspondence to set up floor be cantilevered plate structure time, substructure post 6 arranges one for shelving the Reinforced Concrete Corbels 7 of main girder steel 1; (4) except above three kinds of situations, main girder steel 1 can be shelved and be fixed on and set up on the floor face of floor, namely;
Step 2: lift each girder steel 2, is connected to form girder steel frame plate by main girder steel 1 with time girder steel 2 is vertical;
Step 3: girder steel frame plate is laid steel pipe template 3;
Step 4: steel pipe framed bent 4 set up by secondary girder steel 2.
Optionally, Reinforced Concrete Corbels 7 is built by the main muscle 71 of bracket and bracket stirrup 72 and is formed as described in Figure 5, and the main muscle of described bracket 71 anchors in described substructure post 6 by code requirement.So, the more firm safety of the connection that can make Reinforced Concrete Corbels 7 and described substructure post is set.
Optionally, as shown in Figure 6 and Figure 7, when main girder steel 1 side the structural elevation setting up floor lower than opposite side set up the structural elevation of floor time, by arranging the level at the padded floor face place higher to structural elevation of little steel column 8 on the floor face that structural elevation is lower, described little steel column 8 is together with structural wall board 12 drawknot, to ensure the stability of little steel column 8, set up with the safety and firmness being conducive to main girder steel 1.Concrete, described little steel column 8 with between structural wall board 12 by together with channel-section steel 13 drawknot.One end of described channel-section steel 13 is fixedly connected with the 4th pre-embedded steel slab 14 be preset on structure wall column 12, the other end vertically to stretch in little steel column 8 and is fixed together with little steel column 8, thus guarantee the steadiness of little steel column 8, and then improve further main girder steel 1 set up stability.
The stressed platform of a kind of overhead steel-beam provided by the invention, be set up between two buildings, comprise some main girder steels, several times girder steel, steel pipe template and steel pipe framed bent, described some main girder steels be arranged in parallel, described time girder steel be arranged in parallel, and described main girder steel is vertical with described girder steel is connected to form girder steel frame plate, described steel pipe template-setup is on described girder steel frame plate, described steel pipe framed bent is arranged on described girder steel, two ends of the main girder steel of every root are firmly erected on the architectural of both sides respectively, there is construction safety reliable, simple and the advantage of the recoverable of each girder steel element can be ensured.The construction method of the stressed platform of a kind of overhead steel-beam provided by the invention, the impact that a position is subject to different form of structure and floor height height shelved by main girder steel, directly cannot carry out the construction of steel platform, special process need be taked, meet its execution conditions, when girder steel putting up platform, to different structure feature position, take corresponding processing mode, realize main girder steel safety, reliable mounting condition, it is reliable that the process of whole construction method embodies construction safety, simple feature, and ensure that the recoverable of each Steel section member, effectively save construction cost, do not affect construction speed.
Foregoing description is only the description to present pre-ferred embodiments, any restriction not to the scope of the invention, and any change that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (2)
1. the stressed platform of overhead steel-beam, be set up between two buildings, it is characterized in that, comprise some main girder steels, several times girder steel, steel pipe template and steel pipe framed bent, described some main girder steels be arranged in parallel, described time girder steel be arranged in parallel, and described main girder steel is vertical with described girder steel is connected to form girder steel frame plate, described steel pipe template-setup is on described girder steel frame plate, described steel pipe framed bent is arranged on described girder steel, two ends of the main girder steel of every root are firmly erected on the architectural of both sides respectively, the different structure situation residing for a position is shelved according to the main girder steel setting up floor of both sides building, following a kind of mode is selected to realize firmly setting up of main girder steel: (1) is when the floor height setting up floor of main girder steel both sides is different, by arranging the level at the padded floor face place higher to structural elevation of little steel column on the floor face that structural elevation is lower, described little steel column is together with structural wall board drawknot, (2) when main girder steel corresponding set up floor there is Core Walls Structure shear wall time, on described shear wall, hole to be provided is established in the position of corresponding main girder steel, and in hole to be provided pre-buried first pre-embedded steel slab, the end of described main girder steel to be stretched in described hole to be provided and is welded with described first pre-embedded steel slab.
2. a construction method for the stressed platform of overhead steel-beam, is characterized in that, for setting up the stressed platform of overhead steel-beam between two buildings, comprises the steps:
Step one, set up each main girder steel, some described main girder steels be arranged in parallel, the different structure situation residing for a position is shelved according to the main girder steel setting up floor of both sides building, following a kind of mode is selected to realize firmly setting up of main girder steel: (1) is when the floor height setting up floor of main girder steel both sides is different, by arranging the level at the padded floor face place higher to structural elevation of little steel column on the floor face that structural elevation is lower, described little steel column is together with structural wall board drawknot; (2) when main girder steel corresponding set up floor there is Core Walls Structure shear wall time, hole to be provided offered by shear wall, and the first pre-embedded steel slab is preset in hole to be provided, during installation, main girder steel is directly slowly pulled in hole to be provided by tower crane, and is welded and fixed in the end of main girder steel and the first pre-embedded steel slab;
Step 2: lift each girder steel, some described girder steels be arranged in parallel, and main girder steel is connected to form girder steel frame plate with time girder steel is vertical;
Step 3: girder steel frame plate is laid steel pipe template;
Step 4: secondary girder steel is set up steel pipe framed bent.
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| CN105401733B (en) * | 2015-12-03 | 2018-09-18 | 上海建工一建集团有限公司 | Channel and its construction method of a kind of contact Core Walls Structure and peripheral steel construction |
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| CN106759845B (en) * | 2016-12-29 | 2019-03-08 | 上海市机械施工集团有限公司 | A kind of construction method of Steel corridor |
| CN107642165B (en) * | 2017-09-29 | 2019-09-13 | 中国能源建设集团广东省电力设计研究院有限公司 | Connecting joint structure |
| CN107965133A (en) * | 2017-11-24 | 2018-04-27 | 中国冶集团有限公司 | Silo top shelf dead band concrete construction platform and construction method |
| CN114000695B (en) * | 2021-10-18 | 2022-11-08 | 西安安德固模架工程有限公司 | Scaffold for supporting multilayer concrete structure and mounting method thereof |
| CN114936400A (en) * | 2022-05-18 | 2022-08-23 | 江苏省华建建设股份有限公司 | BIM technology-based construction method of ultrahigh suspended large-span single beam |
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