CN2816164Y - Cast-in field steel-bar-concrete air jointing porch - Google Patents
Cast-in field steel-bar-concrete air jointing porch Download PDFInfo
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- CN2816164Y CN2816164Y CN 200520013579 CN200520013579U CN2816164Y CN 2816164 Y CN2816164 Y CN 2816164Y CN 200520013579 CN200520013579 CN 200520013579 CN 200520013579 U CN200520013579 U CN 200520013579U CN 2816164 Y CN2816164 Y CN 2816164Y
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- inner wrapping
- cast
- profile steel
- vestibule
- reinforced concrete
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Abstract
The utility model relates to an instant casting reinforced concrete aerial connecting porch, which comprises a beam used for supporting a main body of the connecting porch with reinforced concrete structure. The utility model is characterized in that the beam comprises at least two main beams with H-shaped inner wrapping steel, a plurality of secondary beams and a horizontal pull rod, wherein the secondary beams are fixed on two adjacent H-shaped inner wrapping steel brackets, and the horizontal pull rod is connected between the H-shaped inner wrapping steel. The utility model has the advantages of artful design, stable structure system, convenient construction and construction cost saving. Besides, the utility model is beneficial to load bearing and is benefit to be popularized and used in the field.
Description
Technical field
The utility model is the aerial vestibule of cast-in-situ reinforced concrete, belongs to the fixed buildings structure.
Background technology
Aerial vestibule is more common between two higher buildings things (main building), its structure then is a cast-in-situ reinforced concrete structure, need lay the template disturbing concrete during construction, and need set up scaffold for construction, but, when the aerial vestibule beam of its main body (mainly be support) adopts the clean steel tendon concrete structure, because of it can not bear external force before solidifying, during construction even reinforcing cage need be depended on other structure guaranteeing its position accurately, and support for shuttering and scaffold need be set; And when aerial vestibule ground level was higher, the easy unstability of support for shuttering of setting up and scaffold, pertinent regulations did not allow to do so yet.Also having a kind of way is to hang the formwork truss between two high constructures, though this scheme is feasible, required cost is higher, and the dismounting difficulty is big.
The utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition is the defective in the construction that overcomes due to the existing aerial vestibule structure, provides a kind of cast-in-situ reinforced concrete aerial vestibule, effectively to save under the prerequisite of cost convenient construction.For this reason, the utility model is taked following technical scheme:
The aerial vestibule of cast-in-situ reinforced concrete, comprise the beam that is used for bearing bar concrete structure vestibule main body, it is characterized in that described beam comprises two inner wrapping I profile steel girders at least and is fixed on the some secondary beams on adjacent two inner wrapping I profile steel brackets and is connected girt between the inner wrapping I profile steel.Like this structure can hang over support for shuttering and scaffold on inner wrapping I profile steel or the secondary beam when construction, and link to each other with the outer of main building, the assurance smooth construction with the inner wrapping I profile steel of girder and secondary beam as the structure of holding capacity.Because this structure is fixed some secondary beams and be connected with some girts between girder on adjacent two inner wrapping I profile steel brackets, thereby formed a stable bearing structural system, the tension of inner wrapping I profile steel, the anti-intensity that overstocks have been strengthened, provide structural assurance for hanging support for shuttering and scaffold, thereby can lifting fixedly after inner wrapping I profile steel and the secondary beam, before the disturbing concrete, just support for shuttering and scaffold hang on inner wrapping I profile steel and the secondary beam, for laying template and disturbing concrete afterwards prepared.
As the further of technique scheme improved and replenish, in the specific implementation, can adopt following concrete form of structure:
Described secondary beam is provided with preformed hole.So that laying template.
Be welded with screw rod on the described inner wrapping I profile steel.So that lay fixedly girder template.
Described aerial vestibule is at least two-layer.Only need during construction lower floor's vestibule is implemented according to the utility model, and the vestibule on upper strata can construction in a conventional manner on the basis of lower floor.
Be connected with diagonal member on the inner wrapping I profile steel of described lower floor girder.Thereby increase the flexural strength of inner wrapping I profile steel.
The utility model is skillfully constructed, and structural system is stable, is beneficial to load-bearing, is convenient to construction and saves construction cost, is beneficial in the field of business promoting the use of.
Description of drawings
Fig. 1 strides the bearing structure elevational schematic view for inner wrapping I profile steel three of the present utility model.
Fig. 2 forms stable bearing structural system floor map for inner wrapping I profile steel of the present utility model and secondary beam and girt.
Fig. 3 is a fixedly schematic diagram of inner wrapping I profile steel lifting of the present utility model.
Fig. 4 is a secondary beam structural representation of the present utility model.
Fig. 5 (a), 5 (b) are for installing the schematic diagram of scaffold.
Fig. 6 is the scheme of installation of the outer bogie side frame of end scaffold.
Fig. 7 lays schematic diagram for soffit formwork.
Fig. 8 lays schematic diagram for the girder template.
Fig. 9 sets up schematic diagram for outrigger.
The specific embodiment
Below in conjunction with concrete work progress the utility model is described in detail (is example to build aerial vestibule at 21,22,23 layers).
One, the making of inner wrapping I profile steel: the general A3 steel plate with 10 millimeters thick be welded (the part web is bigger because of point load, can adopt the steel plate after 20 millimeters); Some annexes are carried out in advance, reduce work high above the ground as far as possible.
Two, the lifting of inner wrapping I profile steel (seeing Fig. 3 for details): smash the flooring concrete watering of 20,21, two Floor 12s and answer pre-buried steel plate 6 and the lattice column 5 of shelving inner wrapping I profile steel 1 that be used on, should note axis, absolute altitude and verticality when placing lattice column; Two eleventh floor inner wrapping I profile steels have watered at two eleventh floor concretes of the first main building, lifting when the second main building two eleventh floor formworks are finished, and an end is shelved on the pre-embedded steel slab 6, and the other end is positioned on the lattice column 5, check errorless back and weld with electric welding.
Three, the installation (see figure 1) of diagonal member 4: diagonal member 4 has been built at 24 layers of concrete of main building, at first install when vestibule begins to construct, diagonal member adopts Φ 28 reinforcing bars, with the weld length of inner wrapping I profile steel steel plate should be greater than 30 centimeters, adopt double welding, pull bar must not have buckling phenomenon.
Four, prefabricated concrete secondary beam is made and lifting:
Prefabricated concrete secondary beam 2 should be made in advance according to design drawing, offers some preformed hole 2a (see figure 4)s on it;
After diagonal member 4 installations, inferior beam strength reaches after 100% can carry out the lifting of secondary beam, is positioned on the bracket of inner wrapping I profile steel, waits to check errorless back and welds with electric welding; During lifting secondary beam 2 girt 3 is installed simultaneously, thereby is constituted stable bearing structural system shown in Figure 2.
Five, hang scaffold (as Fig. 5 a, 5b) be installed:
Assemble folder wood 11 and suspension rod 7 before secondary beam is installed, begin to install after secondary beam 2 and girt 3 install and hang scaffolding steel pipe, first row's steel pipe 8 passes the suspension ring of first secondary beam and is connected (as Fig. 5 a) with main building scaffold 9; Second row's steel pipe 10 passes the suspension ring of second secondary beam, and the other end is connected (as Fig. 5 b) with first steel pipe by being no less than two bundle heads, and the like.
Six, the installation (see figure 6) of the outer bogie side frame of scaffold at the bottom of second eleventh floor: on inner wrapping I profile steel, welded screw rod 12 in advance, make the distribution steel pipe of suspension bracket can fixed thereon, on the inner wrapping I profile steel of two Floor 12s, put on steel cable 13, again an outside (the firm degree of bogie side frame is looked outer in this operation, can select to use) that is fixed on bogie side frame.
Seven, two eleventh floor beam slab concrete projects
(1) form work engineering
The laying (see figure 7) of A, soffit formwork: in the preformed hole 2a of precast beam 2, wear screw rod, make the lumps of wood 14 be fixed on (this finishes before being operated in the secondary beam lifting) on the secondary beam, on put two nose keys 15, on two nose keys, shelve joist 16 again, place template nine clamping plate 17.
B, girder template are laid (see figure 8): welding screw rod 18 on the i iron (finishing before the i iron lifting), utilize screw rod fixing bed die 19 in advance, accomplish fluently the hole of wearing screw rod in advance on i iron, utilize wearing fixedly crossbeam side plate 20 of screw rod again.
(2) reinforced bar engineering, concrete project
All construct according to conventional method.
Eight, outrigger is set up (see figure 9): place 3 meters long channel-section steels 21 at two eleventh floors, reach at 70% o'clock to two eleventh floor concrete strengths, begin to set up the vestibule outrigger, be that angle steel 23 of a welding of i iron is connected with floor embedded iron 22, the centre is welded on the girder embedded iron, keep reasonable distance, on the steel pipe that external scaffolding vertical rod slot steel buries in advance, set up outrigger according to conventional method then.
Nine, two Floor 12 vestibule main body constructions: take to two Floor 12 flooring previous steps at outrigger, beginning is at two Floor 12 vestibule formwork steel rolling muscle, after treating that two eleventh floor concrete strengths reach 100%, can water and smash two Floor 12 concretes, carry out according to general reinforced concrete structure operational procedure.
Ten, 23 layers of vestibule main body construction: take to 23 floor face previous steps at outrigger, beginning is at two Floor 12 vestibule formwork steel rolling muscle, after treating that two Floor 12 concrete strengths reach 70%, can water and smash 23 layers of concrete, carry out according to general reinforced concrete structure operational procedure.
11, exterior wall and base plate finishing
Exterior wall carries out according to general operational procedure.
The skeleton part of the first aluminium-plastic panel of having constructed of base plate furred ceiling should cooperate the dismounting of underframe when the nail aluminium-plastic panel, from the centre, tear row's suspension rod open, does row's aluminium-plastic panel.
12, outrigger and suspension bracket are removed
Tear outrigger after exterior wall finishing is finished earlier open, tear suspension bracket after outrigger has been torn open again open, reversed in order that should be when installing when suspension bracket is removed, earlier dress after tear open, suspension bracket should cooperate the installation of aluminium-plastic panel when removing.
Claims (5)
1, the aerial vestibule of cast-in-situ reinforced concrete, comprise the beam that is used for bearing bar concrete structure vestibule main body, it is characterized in that described beam comprises two inner wrapping I profile steel (1) girders at least and is fixed on the some secondary beams (2) on adjacent two inner wrapping I profile steel brackets and is connected girt (3) between the inner wrapping I profile steel.
2, the aerial vestibule of cast-in-situ reinforced concrete according to claim 1 is characterized in that described secondary beam (2) is provided with preformed hole (2a).
3, the aerial vestibule of cast-in-situ reinforced concrete according to claim 1 and 2 is characterized in that being welded with screw rod on the described inner wrapping I profile steel (1).
4, the aerial vestibule of cast-in-situ reinforced concrete according to claim 3 is characterized in that described aerial vestibule is at least two-layer.
5, the aerial vestibule of cast-in-situ reinforced concrete according to claim 4 is characterized in that being connected with diagonal member (4) on the inner wrapping I profile steel of described lower floor girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520013579 CN2816164Y (en) | 2005-07-26 | 2005-07-26 | Cast-in field steel-bar-concrete air jointing porch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520013579 CN2816164Y (en) | 2005-07-26 | 2005-07-26 | Cast-in field steel-bar-concrete air jointing porch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2816164Y true CN2816164Y (en) | 2006-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520013579 Expired - Lifetime CN2816164Y (en) | 2005-07-26 | 2005-07-26 | Cast-in field steel-bar-concrete air jointing porch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2816164Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094456A (en) * | 2009-12-14 | 2011-06-15 | 贵阳铝镁设计研究院 | Connecting method and structure for corridor and twin towers |
| CN105781124A (en) * | 2014-12-15 | 2016-07-20 | 五冶集团上海有限公司 | Method for installing corridor with ultra-high double-tower steel structure |
| CN106013418A (en) * | 2016-06-09 | 2016-10-12 | 毛强平 | Construction method and building structure of connecting platform between adjacent high-rise buildings |
| CN106522360A (en) * | 2016-11-22 | 2017-03-22 | 华东建筑设计研究院有限公司 | Connection bridge structure between buildings |
| CN112982652A (en) * | 2021-02-26 | 2021-06-18 | 曹进宁 | Corridor with all-dimensional comprehensive frame structure |
-
2005
- 2005-07-26 CN CN 200520013579 patent/CN2816164Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094456A (en) * | 2009-12-14 | 2011-06-15 | 贵阳铝镁设计研究院 | Connecting method and structure for corridor and twin towers |
| CN105781124A (en) * | 2014-12-15 | 2016-07-20 | 五冶集团上海有限公司 | Method for installing corridor with ultra-high double-tower steel structure |
| CN106013418A (en) * | 2016-06-09 | 2016-10-12 | 毛强平 | Construction method and building structure of connecting platform between adjacent high-rise buildings |
| CN106013418B (en) * | 2016-06-09 | 2018-06-26 | 江苏美城建筑规划设计院有限公司 | The construction method of connecting platform and building structure between a kind of adjacent skyscraper |
| CN106522360A (en) * | 2016-11-22 | 2017-03-22 | 华东建筑设计研究院有限公司 | Connection bridge structure between buildings |
| CN112982652A (en) * | 2021-02-26 | 2021-06-18 | 曹进宁 | Corridor with all-dimensional comprehensive frame structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150726 Granted publication date: 20060913 |
|
| EXPY | Termination of patent right or utility model |