CN201232257Y - Special operation platform for cast-place construction of concrete floor type arch - Google Patents
Special operation platform for cast-place construction of concrete floor type arch Download PDFInfo
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- CN201232257Y CN201232257Y CNU2008201201510U CN200820120151U CN201232257Y CN 201232257 Y CN201232257 Y CN 201232257Y CN U2008201201510 U CNU2008201201510 U CN U2008201201510U CN 200820120151 U CN200820120151 U CN 200820120151U CN 201232257 Y CN201232257 Y CN 201232257Y
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Abstract
The utility model discloses a special operating platform of casting construction of a concrete floor-type arch, which comprises a reinforcement cage (9) with an arch structure and external formworks (2) arranged separately, an opening (3) is disposed between adjacent external formworks (2) in the spanning direction for pouring and smashing concrete, a detachable overhanging operating platform extending along the axial direction of the floor-type arch is arranged at the low part of the opening (3); a plurality of horizontal bearing steel pipes (8) that extend into the reinforcement cage (9) and are pressed on the external formworks (2) by fasteners (7) are disposed on the floor-type arch in the axial direction, and tail ends thereof stretch out from the external formworks to form a plurality of overhanging pipes (4); a plurality of axial pipes (5) that are composed of steel pipes and extend to both ends of the arch along the axial direction of the floor-type arch are disposed on the plurality of overhanging pipes (4) by fasteners (7); and a plurality of scaffold boards (6) are arranged on the plurality of axial pipes (5). The operating platform can simplify the construction process, improve the construction efficiency, reduce the construction intensity, shorten the construction duration, and save construction material.
Description
Technical field
The utility model relates to the dedicated operations facility of the construction in a kind of civil engineering, specifically is a kind of special operating platform of casting and constructing of the concrete grounding arch that is applicable to large span, high vector, the thick arch bar of overlength.
Background technology
Concrete structure in civil engineering is owing to have economic, practical and advantage such as draw materials easily, still extensive use so far.Especially some special constructions, for example safety guard of nuclear power plant etc. is that other structural meterialss are irreplaceable; And some industry and public building, because the requirement of function and building, adopting the concrete arch structure of thick arch bar in longspan structure also is a kind of good form of structure, for example buildings such as conference and exhibition center, market, factory building and warehouse are a large amount of adopts, and especially hangar adopts the thickness of arch bar to surpass the arch structure of 800mm especially.
Big in view of above-mentioned grounding arch structural span, arch bar is thick, especially its rise height, so behind support bracket, inner formword, cage of reinforcement and the exterior sheathing of mounting arch structure, the concrete placement of grounding arch need successively be built working packway (be operating platform, comprise scaffold) from arch place, limit.The then framing setting of above-mentioned exterior sheathing, between adjacent exterior sheathing, be reserved with the opening that disturbing concrete is used weekly, its A/F is generally about 500mm, and this opening extends axially the other end that promptly axially extends to grounding arch to the arch two ends from an end of grounding arch along grounding arch.
The packway that the casting and constructing of the concrete grounding arch of above-mentioned prior art is used, its complex structure, and need take materials such as a large amount of steel pipes and fastener, its material deterioration inside is big, material cost is high, and the work progress complexity, the difficulty of construction height, constructor's labour intensity is big, efficiency of construction is low, long construction period, its cost of labor height.
The utility model content
The technical problems to be solved in the utility model is, provides a kind of and can simplify work progress, improves efficiency of construction, reduces construction intensity, shortens construction period, saves the special operating platform of pouring construction of the concrete grounding arch of construction material.
Technical solution of the present utility model is, a kind of special operating platform of pouring construction of the concrete grounding arch with following structure is provided, it comprises the cage of reinforcement of arch structure and the exterior sheathing that framing is provided with, between the adjacent exterior sheathing of span direction, be reserved with disturbing concrete with and extend axially to the arch openings at two ends along grounding arch, at the lower of opening overhanging type operating platform along the axially extended detachable turnover of grounding arch is installed; The state of the detachable turnover of its overhanging type operating platform is: the lower at each opening sets gradually and is removed behind each fluid concrete from bottom to up.
The lower of described opening is equipped with along the overhanging type operating platform of the axially extended detachable turnover of grounding arch and refers to, axially having many steel pipes to stretch in the cage of reinforcement and be installed in the pressure that compresses exterior sheathing by fastener along grounding arch holds on the steel pipe, described many steel pipes along arch axis to arranging and horizontal and the steel pipe axis is vertical mutually with the grounding arch axis, it is outer and constitute many and choose pipe that the steel pipe tail end stretches out exterior sheathing, and many to choose pipe parallel each other and on same horizontal plane; Choose pipe for many and go up and to be equipped with many by fastener and to extend axially the tube axial that constitutes to the steel pipe at arch two ends along grounding arch, many tube axials are parallel each other; On the many tube axials polylith scaffold floor is installed, described scaffold floor extends axially to the arch two ends along grounding arch.
The special operating platform of the casting and constructing of the utility model concrete grounding arch compared with prior art has the following advantages:
Because the operating platform of the casting and constructing of the utility model concrete grounding arch adopts the overhanging type operating platform of detachable turnover, and this operating platform is directly installed on the arch structure, do not need successively to build the construction packway that mainly contains the scaffold composition from ground along arch limit exterior sheathing, behind the casting complete, encorbelment steel pipe and the tube axial that also only need to remove the trick plate, unclamp snapping get final product, do not need successively to dismantle the construction scaffold, therefore, both save construction materials such as a large amount of steel pipes and fastener, reduced material cost significantly; Make again that to make platform structure simple, and greatly simplified work progress, increased substantially efficiency of construction, reduced difficulty of construction, constructor's labour intensity and cost of labor significantly, reduced construction period significantly.
Description of drawings
Fig. 1 is the structural representation that the casting and constructing of the concrete grounding arch of prior art is used packway.
Fig. 2 is the structural representation of the special operating platform executed of the cast of concrete grounding arch of the present utility model.
Fig. 3 is that the special operating platform of casting and constructing of the utility model concrete grounding arch is along span direction broken section structural representation.
Shown in the figure
The parts of prior art: 11, support bracket, 12, exterior sheathing, 13, opening, 14, the scaffold of packway;
Parts of the present utility model: 1, support bracket, 2, exterior sheathing, 3, opening, 4, choose pipe, 5, tube axial, 6, scaffold floor, 7, fastener, 8, press and hold steel pipe, 9, the cage of reinforcement of arch structure.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the facility used of the concrete grounding arch casting and constructing of prior art comprises support bracket 11, inner formword (not shown), cage of reinforcement (not shown) and the exterior sheathing 12 of arch structure.Described exterior sheathing framing is provided with, between the adjacent exterior sheathing 12 of span direction, be reserved with the opening 13 that disturbing concrete is used, its A/F is generally about 500mm, and this opening 13 extends axially to the arch two ends along grounding arch, promptly axially extends to the other end of grounding arch from an end of grounding arch.The operating platform that its casting and constructing is used adopts the packway structure, and promptly successively having built construction from arch edge exterior sheathing 12 is scaffold 14 with the packway support, has repaved the scaffold floor (not shown).
As Fig. 2, shown in Figure 3, also comprise support bracket 1 and inner formword (not shown) in the constructing operation facility of the utility model concrete grounding arch.But because it is in protection domain of the present utility model, so, not mentioned arriving in the utility model content and the following specific embodiment.
The special operating platform of the casting and constructing of the utility model concrete grounding arch, it comprises the cage of reinforcement 9 (comprising steel bar stress and distribution reinforcement) of arch structure and the exterior sheathing 2 that framing is provided with, between the adjacent exterior sheathing 2 of span direction, be reserved with disturbing concrete with and extend axially to arch openings at two ends 3 along grounding arch, at the lower of opening 3 overhanging type operating platform along the axially extended detachable turnover of grounding arch is installed; The state of the detachable turnover of its overhanging type operating platform is: the lower at each opening 3 sets gradually and is removed behind each cast (smashing) concrete from bottom to up.
The lower of described opening 3 is equipped with along the overhanging type operating platform of the axially extended detachable turnover of grounding arch and refers to, axially having many steel pipes to stretch in the cage of reinforcement 9 and be installed in the pressure that compresses exterior sheathing 2 by fastener 7 along grounding arch holds on the steel pipe 8, described many steel pipes along arch axis to arranging and horizontal and the steel pipe axis is vertical mutually with the grounding arch axis, it is outer and constitute many and choose pipe 4 that the steel pipe tail end stretches out exterior sheathing 2, and many to choose pipe 4 parallel each other and on same horizontal plane; Choose on the pipe 4 for many and be equipped with many by fastener 7 and extend axially to the tube axial 5 (tube axial 5 is two among the figure) that constitutes of steel pipe at arch two ends along grounding arch, many tube axials 5 are parallel each other; On the many tube axials 5 polylith scaffold floor 6 is installed, described scaffold floor 6 extends axially to the arch two ends along grounding arch.
Utilize the special operating platform fluid concrete grounding arch of the casting and constructing of the utility model concrete grounding arch, comprise following construction sequence:
The cage of reinforcement 9 of 1., colligation mounting arch structure;
2., the exterior sheathing 2 that framing is provided with is installed, between the adjacent exterior sheathing 2 of span direction, reserve disturbing concrete with and extend axially to encircleing openings at two ends 3 along grounding arch;
3., the lower at from bottom to top first opening 3 is provided with along the axially extended overhanging type operating platform of grounding arch;
The described setting along the axially extended overhanging type operating platform of grounding arch refers to, the constructor stands on the exterior sheathing 2, many steel pipes are stretched in the cage of reinforcement 1 and be installed in the pressure that compresses exterior sheathing 2 along grounding arch and hold on the steel pipe 8 with fastener, described many steel pipes along arch axis to arranging and horizontal and the steel pipe axis is vertical mutually with the grounding arch axis, it is outer and constitute many and choose pipe 4 to make the steel pipe tail end stretch out exterior sheathing 2, and also making many, to choose pipe 4 parallel each other and on same horizontal plane; Choose on the pipe 4 at many again and install many with fastener 7 and extend axially steel pipe formation tube axial 5, and make many tube axials 5 parallel each other to the arch two ends along grounding arch; Polylith scaffold floor 6 is installed on many tube axials 5 again as is used steel wire lashing polylith bamboo splint, described scaffold floor 6 extends axially to the arch two ends along grounding arch.
4., at the 3. described opening 3 place's disturbing concretes of step, when treating casting and compacting of concrete to the height of the lower of exterior sheathing 2 openings 3, remove the overhanging type operating platform, and the lower of an opening 3 is provided with along the axially extended overhanging type operating platform of grounding arch on the next-door neighbour, with the 3. described exterior sheathing that installs prefabricated typing to arch openings at two ends 3 places that extends axially along grounding arch of step.
Described dismounting overhanging type operating platform refers to that the constructor stands on the exterior sheathing 2, removes earlier polylith scaffold floor 6, unclamps fastener 7 again and removes many tube axials 5, unclamps fastener 7 again and then removes many and choose pipe 4.
5., repeating step operation 4. repeatedly, be provided with along the axially extended overhanging type operating platform of grounding arch as lower at from bottom to top second opening 3; From these opening 3 disturbing concretes, when treating casting and compacting of concrete to the height of the lower of opening 3, remove this overhanging type operating platform, and the lower of an opening 3 is provided with along the axially extended overhanging type operating platform of grounding arch on the next-door neighbour, with the described exterior sheathing that installs prefabricated typing to arch openings at two ends 3 second openings 3 places that extends axially along grounding arch; Smash to dome portions until concrete the watering of whole arch structures.
Described step is 1.～5. for to carry out along the synchronous symmetry in the grounding arch left and right sides, until whole arch structures concrete water to smash in dome portions close up.
Below only be described, but can not be interpreted as it is restriction claim with regard to the utility model preferred embodiment.The utility model not only is confined to above embodiment, its concrete construction sequence and concrete structure allow variation, as: the axis of choosing pipe of described removable overhanging type operating platform also allows not strict vertical mutually with the grounding arch axis, choose between the pipe and also can not be strict with level for described many, choose pipe for many and also allow not strict parallel each other; Described many tube axials also allow not strict parallel each other; Or the like.All various variations of being done in the protection domain of the utility model independent claims are all in protection domain of the present utility model.
Claims (2)
1, a kind of special operating platform of casting and constructing of concrete grounding arch, it comprises the cage of reinforcement (9) of arch structure and the exterior sheathing (2) that framing is provided with, between the adjacent exterior sheathing of span direction (2), be reserved with disturbing concrete with and extend axially to arch openings at two ends (3) along grounding arch, it is characterized in that: overhanging type operating platform along the axially extended detachable turnover of grounding arch is installed at the lower of opening (3); The state of the detachable turnover of its overhanging type operating platform is: the lower at each opening (3) sets gradually and is removed behind each fluid concrete from bottom to up.
2, the special operating platform of the casting and constructing of concrete grounding arch according to claim 1, it is characterized in that: the lower of described opening (3) is equipped with along the overhanging type operating platform of the axially extended detachable turnover of grounding arch and refers to, axially having many steel pipes to stretch in the cage of reinforcement (9) and be installed in the pressure that compresses exterior sheathing (2) by fastener (7) along grounding arch holds on the steel pipe (8), described many steel pipes along arch axis to arranging and horizontal and the steel pipe axis is vertical mutually with the grounding arch axis, it is outer and constitute many and choose pipe (4) that the steel pipe tail end stretches out exterior sheathing (2), and many to choose pipe (4) parallel each other and on same horizontal plane; Choose pipe (4) for many and go up and to be equipped with many by fastener (7) and to extend axially the tube axial (5) that constitutes to the steel pipe at arch two ends along grounding arch, many tube axials (5) are parallel each other; Polylith scaffold floor (6) is installed on the many tube axials (5), and described scaffold floor (6) extends axially to the arch two ends along grounding arch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201201510U CN201232257Y (en) | 2008-06-23 | 2008-06-23 | Special operation platform for cast-place construction of concrete floor type arch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201201510U CN201232257Y (en) | 2008-06-23 | 2008-06-23 | Special operation platform for cast-place construction of concrete floor type arch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201232257Y true CN201232257Y (en) | 2009-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201201510U Expired - Fee Related CN201232257Y (en) | 2008-06-23 | 2008-06-23 | Special operation platform for cast-place construction of concrete floor type arch |
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| CN (1) | CN201232257Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314960B (en) * | 2008-06-23 | 2010-05-12 | 华丰建设股份有限公司 | Pouring construction method of concrete grounding arch |
| CN102277962A (en) * | 2011-04-30 | 2011-12-14 | 张先汉 | Method for casting concrete sample placement platform by utilizing cast steel sample placement platform |
| CN102561694A (en) * | 2011-12-29 | 2012-07-11 | 山西四建集团有限公司 | Construction method for support mould with large-curvature spherical concrete structure |
| CN110905113A (en) * | 2019-10-23 | 2020-03-24 | 浙江勤业建工集团有限公司 | Construction method of large-span concrete dome structure |
-
2008
- 2008-06-23 CN CNU2008201201510U patent/CN201232257Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314960B (en) * | 2008-06-23 | 2010-05-12 | 华丰建设股份有限公司 | Pouring construction method of concrete grounding arch |
| CN102277962A (en) * | 2011-04-30 | 2011-12-14 | 张先汉 | Method for casting concrete sample placement platform by utilizing cast steel sample placement platform |
| CN102277962B (en) * | 2011-04-30 | 2013-04-10 | 张先汉 | Method for casting concrete sample placement platform by utilizing cast steel sample placement platform |
| CN102561694A (en) * | 2011-12-29 | 2012-07-11 | 山西四建集团有限公司 | Construction method for support mould with large-curvature spherical concrete structure |
| CN102561694B (en) * | 2011-12-29 | 2014-01-15 | 山西四建集团有限公司 | Construction method for support mould with large-curvature spherical concrete structure |
| CN110905113A (en) * | 2019-10-23 | 2020-03-24 | 浙江勤业建工集团有限公司 | Construction method of large-span concrete dome structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20130912 Granted publication date: 20090506 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20140310 Granted publication date: 20090506 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090506 Termination date: 20130623 |