CN203373970U - Formwork structure of cast-in-place concrete arc-shaped ladder stand - Google Patents
Formwork structure of cast-in-place concrete arc-shaped ladder stand Download PDFInfo
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- CN203373970U CN203373970U CN201320377259.9U CN201320377259U CN203373970U CN 203373970 U CN203373970 U CN 203373970U CN 201320377259 U CN201320377259 U CN 201320377259U CN 203373970 U CN203373970 U CN 203373970U
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Abstract
The utility model discloses a formwork structure of a cast-in-place concrete arc-shaped ladder stand. The formwork structure of the cast-in-place concrete arc-shaped ladder stand comprises a formwork supporting frame body and a formwork fixing system. The formwork fixing system comprises arc-shaped beam bottom formworks, seat plate bottom formworks, arc-shaped beam outer side upper formworks, arc-shaped beam outer side lower formworks and arc-shaped beam inner side formworks. The arc-shaped beam outer side lower formworks are placed below the arc-shaped beam outer side upper formworks. The arc-shaped beam outer side upper formworks and the arc-shaped beam inner side formworks are supported through inner supports so that set spacings can be kept between the arc-shaped beam outer side upper formworks and the arc-shaped beam inner side formworks, split bolts are used for enabling the arc-shaped beam outer side upper formworks and the arc-shaped beam inner side formworks to be connected and fixed, and the arc-shaped beam outer side lower formworks and the arc-shaped beam inner side formworks can also be connected and fixed through the split bolts. The arc-shaped beam bottom formworks are connected and fixed with the bottom ends of the arc-shaped beam outer side lower formworks and the bottom ends of the arc-shaped beam inner side formworks respectively. The seat plate bottom formworks are connected and fixed with the upper ends of the arc-shaped beam outer side lower formworks and the upper ends of the arc-shaped beam inner side formworks respectively. The formwork structure of the cast-in-place concrete arc-shaped ladder stand is firm, reliable, and convenient to mount.
Description
Technical field
The utility model relates to a kind of cast-in-situ concrete arc ladder viewing platform form board structure.
Background technology
Along with the continuous demand of people to the entertainment life, build stadiums, performing art field, cinema etc. will be more and more general, and the construction of notch cuttype concrete arc grandstand is the chief component that forms above-mentioned building.For the notch cuttype Arc Stand, its advantage is that the curve smoothness is attractive in appearance, not only can bring people with beautiful enjoyment, and the grandstand plane figure is reasonable, can save to greatest extent building land.But circular arc grandstand complicated construction technique, particularly template construction is time-consuming, if not only long construction period, circulation material have high input, labour intensity is large to adopt conventional method, and give to measure that setting-out, supporting frame are set up, the template precision is controlled and brought great difficulty, very easily cause in construction that axis, absolute altitude deviation and grandstand sectional dimension are forbidden etc., can stay hidden danger of quality when serious and even cause and do over again.
Particularly the formwork support process of circular arc grandstand is more complicated, once method of operating is improper, not only construction speed is slow, and is easy to stay hidden danger of quality or causes and do over again.Generally adopt at present following two kinds of mold methods:
1, " hang mould and add the buttress method ": the side template end opening props up template by the method for precast concrete or mortar buttress at a certain distance.In the time of in this way, not only beam, slab muscle are not easy to lay when closeer and adjust, and the template end opening and prefabricated buttress contact surface less, buttress is not easy to reliable fixing, and in concrete construction, the as easy as rolling off a log template that makes produces displacement, even causes the member cross dimensions to surpass design or job specfication requirement.
2, common split heads formwork method: at the side template end opening, add at a certain distance common supporting steel bar.Because the rigidity of common supporting steel bar is less, deflection is large, easily produces distortion in work progress, is not easy to guarantee relative position and the physical dimension of cast-in-place concrete structure.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of cast-in-situ concrete arc ladder viewing platform form board structure.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: cast-in-situ concrete arc ladder viewing platform form board structure, comprise shuttering supporting support body and template fixed system, the template fixed system comprises Curved beam soffit formwork, seat plate soffit formwork, Curved beam outside cope match-plate pattern, Curved beam outside lower bolster and Curved beam inner side template, Curved beam outside cope match-plate pattern and Curved beam inner side template are concentric circles arc template, and Curved beam outside lower bolster is positioned at the below of Curved beam outside cope match-plate pattern; Support by inner support between Curved beam outside cope match-plate pattern and Curved beam inner side template and make Curved beam outside cope match-plate pattern and Curved beam inner side template keep the spacing of setting, with split bolt, Curved beam outside cope match-plate pattern be connected with the Curved beam inner side template and fix by butterfly card and the two steel pipe back of the body of arc rib, Curved beam outside lower bolster also is connected with split bolt with the Curved beam inner side template and adopts butterfly card and the two steel pipe back of the body of arc rib to fix; The Curved beam soffit formwork is connected and fixed with lower bolster bottom, the Curved beam outside, Curved beam inner side template bottom respectively; The seat plate soffit formwork is connected and fixed with Curved beam lower bolster upper end, the outside and Curved beam inner side template upper end respectively.
As preferably, Curved beam soffit formwork, seat plate soffit formwork, Curved beam outside cope match-plate pattern, Curved beam outside lower bolster and Curved beam inner side template are wood plywood, bamboo plywood or steel and wood composite plate.
As preferably, the thickness of Curved beam soffit formwork is not less than 20mm; The thickness of seat plate soffit formwork, Curved beam outside cope match-plate pattern, Curved beam outside lower bolster and Curved beam inner side template is not less than 15 mm.
As preferably, inner support is supporting steel bar; Supporting steel bar has a cross bar, and the cross bar two ends are provided with fagging, and fagging is vertical with cross bar and be parallel to each other, and cross bar is provided with U-shaped carriage upwards; Fagging props up respectively Curved beam inner side template and Curved beam outside lower bolster, and the U-shaped carriage is held the bottom of Curved beam outside cope match-plate pattern.
As preferably, supporting steel bar is made with reinforcing bar and Plate Welding.
As preferably, sleeve pipe is inserted in the split bolt stage casing, and the width of casing length and Curved beam is suitable.
As preferably, the shuttering supporting support body comprises socket joint dish button adjustable scaffold, adjustable vertical rod and U-shaped jacking;
Socket joint dish button adjustable scaffold comprises cross bar, vertical rod; Band wedge shape plug in two ends on cross bar, suitable position tep reel button in vertical rod, while setting up insert cross bar two ends wedge shape plug dish in adjacent vertical rod and buckle internal locking and get final product;
Adjustable vertical rod structure is the screw mandrel that an end band nut, an end band socket joint dish are buckled, and screw mandrel diameter vertical rod internal diameter is complementary, and after screw mandrel one end inserts vertical rod, rotating nut can be regulated its height, sees and adjusts vertical rod to be arranged on the suitable position in the support body vertical rod;
The structure of U-shaped jacking is that top is U-shaped mouthful, and the screw mandrel of bottom band nut is welded, and screw mandrel diameter and bottom vertical rod internal diameter are complementary, and after screw mandrel inserts vertical rod, rotating nut can be regulated its height.
The beneficial effects of the utility model are:
(1) formwork erecting structure is firm reliable, and the Curved beam form surfacing adopts wooden plywood, bamboo plywood or steel and wood composite template can meet construction requirement fully, not only constructs, has enough to meet the need convenience, flexible, and relative other template of cost is cheap;
(2) supporting frame adopts socket joint type dish buckle type scaffold, rationally increases tunable arrangement, and less demanding to the technical level of taking, tearing open the workman, general general work just can complete, and construction fast, and assembling flexibly.Support body is assemblied to form by the Modular units support body, and the supporting frame that is applicable to Construction of Complex Structure is set up.If adopt the common steel tube scaffold building, not only construction efficiency is low, and the variation of the discrepancy in elevation of Stand Beams and arc variation place, needs a large amount of steel pipes of cutting, greatly increases construction cost.
(3) prop up mold materials and accessory reusable, improved the turnover utilization rate of the materials such as template, bracing frame, bolt.
(4) shorten the duration, saved cost.Only one of spigot-and-socket scaffold is compared with conventional method, and the rate of cost reduction reaches 25%.
(5) the concrete formation quality meets the delivery receiving acceptance standard, has reached the effect of " interior reality is light outward, and corner angle are neat, and physical dimension is accurate ".
The accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the molding plate fixed structure schematic diagram of the utility model cast-in-situ concrete arc ladder viewing platform form board structure embodiment.
Fig. 2 is the supporting frame structural representation of the utility model cast-in-situ concrete arc ladder viewing platform form board structure embodiment.
Fig. 3 is the structural representation of supporting steel bar.
Fig. 4 is the structural representation of adjustable vertical rod.
Fig. 5 is the structural representation of U-shaped jacking.
In figure, 1-inner side template, 2-outside cope match-plate pattern, 3-outside lower bolster, 4-base plate template, 5-seat plate soffit formwork, 6-supporting steel bar, 601-cross bar, 602-fagging, 603-column, 604-U shape carriage, 7-split bolt, 8-sleeve pipe, 9-Concrete seat pad, 10-a tree, used in making timber for boats wood, 11-wood is stupefied, 12-cross bar, 13-U shape jacking, 1301-U shape channel-section steel, 1302-screw mandrel, the 1303-nut, the adjustable vertical rod of 14-, 1401-socket joint dish is buckled, the 1402-screw mandrel, the 1403-nut, 15-is cant beam radially, 16-vertical rod, 17-bridging.
The specific embodiment
It is a cast-in-situ concrete Arc Stand that the present embodiment will be built, by radially cant beam, hoop Curved beam, arc seat plate form.The horizontal projection of whole grandstand similarly is a fan-shaped concentric circles, and vertical cross section similarly is the step of stair.
Concrete structure is: Curved beam, seat plate two ends all are supported on radially on cant beam, and radially cant beam, Curved beam, arc seat plate are built as a wholely, and the negative and positive angle of Curved beam and seat plate intersection is right angle.
Radially cant beam is main frame beam, and cross section is generally 500 * 1500mm left and right, and the angle between ground is generally 30 ° of left and right;
The construction of Curved beam (claiming again hoop close girt strip) is the key problem in technology that the present embodiment will solve, and its horizontal projection is curved, and vertical cross section is rectangular, and cross section is mostly 300 * 600mm left and right.
Seat plate is above Curved beam, and horizontal projection is curved, and vertical cross section is rectangular, and cross section is generally 850 * 100mm.
Cast-in-situ concrete arc ladder viewing platform form board structure, formwork structure comprises shuttering supporting support body and molding plate fixed structure.
As shown in Figure 1, the molding plate fixed structure of cast-in-situ concrete Arc Stand comprises Curved beam base plate template 4, seat plate soffit formwork 5, Curved beam outside cope match-plate pattern 2, Curved beam outside lower bolster 3 and Curved beam inner side template 1.
Curved beam outside cope match-plate pattern 2 is concentric circles arc template with Curved beam inner side template 1, for the inside and outside contour of restriction arc ellbeam.Curved beam outside lower bolster 3 be located at Curved beam outside cope match-plate pattern 2 under.
Support with supporting steel bar 6 between Curved beam outside cope match-plate pattern and Curved beam inner side template and make Curved beam outside cope match-plate pattern 2 and Curved beam inner side template 1 keep the spacing of setting.Be provided with Concrete seat pad 9 below supporting steel bar 6.
With split bolt 7, Curved beam outside cope match-plate pattern is connected with the Curved beam inner side template, at the two steel pipe back of the body of nut, butterfly card and the arc for two ends of split bolt rib, fix, Curved beam outside lower bolster 3 also is connected with split bolt 7 with Curved beam inner side template 1 and adopts the two steel pipe back of the body of nut, butterfly card and arc rib that Curved beam outside lower bolster 3 is fixed with Curved beam inner side template 1.Be provided with PVC sleeve pipe 8 in the middle of split bolt.
Curved beam base plate template 4 is connected and fixed with the bottom of Curved beam outside lower bolster 3, the bottom of Curved beam inner side template 1 respectively.
Seat plate soffit formwork 5 is connected and fixed with the upper end of Curved beam outside lower bolster 3 and the upper end of Curved beam inner side template 1 respectively.
After viewing platform form board is installed, the Curved beam outside cope match-plate pattern radially drawknot of a tree, used in making timber for boats wood 10 of using at a certain distance more suitable for reading, by wood stupefied 11 and a tree, used in making timber for boats wood 10, Curved beam outside cope match-plate pattern is connected as a whole, the nail lateral surface of outside Curved beam cope match-plate pattern of wood stupefied 11.
The making of cast-in-situ concrete Arc Stand template, comprise keel, Curved beam fixing templates and the viewing platform form board bottom support support body of form surfacing, support shuttering panel.Specific practice is as follows:
1) form surfacing: comprise beam, all bed dies of seat plate and side template.Above-mentioned panel is wood plywood, bamboo plywood or steel and wood composite plate.Thickness when beam bottom mother plate adopts wood, Bamboo Formwork is general ≮ 20mm; When plate and side template adopt wood, Bamboo Formwork template thickness general ≮ 15 mm.
2) keel of support shuttering panel: horizontal secondary joist and vertical main joist for the back support of above-mentioned each form surfacing, main joist is fixed on the supporting frame crossbeam, and supporting traverse two ends and support body column are connected and fixed.Above-mentioned main joist, secondary joist, temporary supporting can be used steel pipe, wooden a tree, used in making timber for boats, channel-section steel or square steel.
3) notch cuttype Curved beam fixing templates: fixing templates is reinforced two steel pipes, split bolt, PVC sleeve pipe, butterfly card, wooden a tree, used in making timber for boats etc. by supporting steel bar, Curved beam and is formed.
The relative position of Curved beam outside cope match-plate pattern is located by supporting steel bar, on each step, laterally fixes at a certain distance a supporting steel bar, and the reinforcing bar spot welding on supporting steel bar and beam or plate is fixed, and bottom is Concrete seat pad 9.Curved beam outside cope match-plate pattern stands up in the U-shaped carriage of supporting steel bar.
As shown in Figure 3, supporting steel bar is made with reinforcing bar and Plate Welding, wherein cross bar 601 is a long reinforcing bar, its length equals the width of the width of two Curved beam sections+seat plate section, the fagging 602 that a rectangular sheet is made is respectively welded at the two ends of cross bar, and for controlling the Curved beam section width, cross bar vertically is welded with reinforcing steel bar upright post 603 by the Curved beam outside one end position, U-shaped carriage 604 is made with channel-section steel in the upper end of column, and the width of U-shaped carriage 604 openings and Curved beam outside cope match-plate pattern 2 thickness are complementary.
Curved beam is reinforced steel pipe: adopt the steel pipe that section is Φ 48 * 3.2～3.5, buckling is arc, and arc curvature is consistent with the curvature of beam.Adopt 2 curved steel tubes to form back of the body rib, every 4 Curved beams reinforce steel pipe and butterfly card, split bolt are combined as one group of Curved beam reinforcing steel pipe.
Split bolt: Φ 12～14 round steel with certain-length process, two ends car silk, and be with the nut be complementary;
The PVC sleeve pipe: the circular hard PVC pipe that wall thickness 2～3mm is thick, length is with the beam section width, and internal diameter and Screw arbor with nut at both-ends diameter are complementary;
The butterfly card: the band steel thick by 2～3mm is stamped to form, and its section configuration is the figure of three, in the middle of section, opens hole, and bore dia and screw diameter are complementary;
A tree, used in making timber for boats wood: processed by hard wood.Section configuration has: 50 * 100mm, 40 * 90mm, 40 * 70mm, 50 * 50mm, and section and length are processed on demand;
Wood is stupefied: by hard wood, processed.Cross dimensions: 50 * 50mm, length is processed on demand;
The Curved beam side template is reinforced by split bolt, butterfly card, nut by two scaffold tube, for ease of dismounting and the turnover of split bolt, the beam inner bolt add that cover is complementary the PVC sleeve pipe; The radian of Curved beam reinforcing steel pipe (being two scaffolding steel pipes) should be consistent with the Curved beam radian.
Arc Stand template bottom support support body as shown in Figure 2.Mounting method is as follows:
1) the shuttering supporting support body adopts socket joint type dish buckle type scaffold;
2) supporting frame is comprised of cross bar 11, vertical rod 16 and adjustable vertical rod 14 and the U-shaped jacking 13 of Φ 48 * 3.2～3.5.The length of cross bar, vertical rod is choice criteria bar progress row reasonable combination according to actual needs, and wherein the full-length of cross bar can be selected by five kinds of models of 600～1550mm, and the full-length of vertical rod can be selected by tetra-kinds of models of 1200～3000mm.
Band wedge shape plug in two ends on cross bar 11, suitable position tep reel button in vertical rod 16, while setting up insert cross bar two ends wedge shape plug dish in adjacent vertical rod and buckle internal locking and get final product;
3) height of notch cuttype viewing platform form board is regulated and is stretched on demand or connect height by adjustable vertical rod 14 or U-shaped jacking 13;
4) as shown in Figure 4, adjustable vertical rod 14 is buckled 1401 screw mandrel 1402 by an end band nut 1403, an end band socket joint dish and is formed, screw mandrel diameter and bracing frame vertical rod internal diameter are complementary, after screw mandrel one end inserts vertical rod, rotating nut can be regulated its height, adjustable vertical rod is arranged on the suitable position in the support body vertical rod, and makes the adjustable vertical rod joint location in adjacent vertical rod mutually stagger, and makes it can not be located at the same section of adjacent vertical rod;
5) U-shaped jacking is arranged on the support body top.As shown in Figure 5, U-shaped jacking is that top is 1301 sections, U-shaped channel-section steel, and the screw mandrel 1302 of bottom band nut 1303 is welded, and screw mandrel diameter and bottom vertical rod internal diameter are complementary, and after screw mandrel inserts vertical rod, rotating nut can be regulated its height.
6) the arc line shaped supporting frame of whole grandstand is to be completed by several linear pattern spigot-and-socket unit support body assembling combination, and the length of unit support body, according to the curvature requirement of Curved beam, selects cross bar and the vertical rod socket joint of different length to combine.
Claims (7)
1. cast-in-situ concrete arc ladder viewing platform form board structure, comprise shuttering supporting support body and template fixed system, it is characterized in that: described template fixed system comprises Curved beam soffit formwork, seat plate soffit formwork, Curved beam outside cope match-plate pattern, Curved beam outside lower bolster and Curved beam inner side template, described Curved beam outside cope match-plate pattern and Curved beam inner side template are concentric circles arc template, and described Curved beam outside lower bolster is positioned at the below of described Curved beam outside cope match-plate pattern; Support by inner support between described Curved beam outside cope match-plate pattern and Curved beam inner side template and make Curved beam outside cope match-plate pattern and Curved beam inner side template keep the spacing of setting, with split bolt, Curved beam outside cope match-plate pattern be connected with the Curved beam inner side template and fix by butterfly card and the two steel pipe back of the body of arc rib, described Curved beam outside lower bolster also is connected with split bolt with the Curved beam inner side template and adopts butterfly card and the two steel pipe back of the body of arc rib to fix; Described Curved beam soffit formwork is connected and fixed with lower bolster bottom, the Curved beam outside, Curved beam inner side template bottom respectively; Described seat plate soffit formwork is connected and fixed with Curved beam lower bolster upper end, the outside and Curved beam inner side template upper end respectively.
2. cast-in-situ concrete arc ladder viewing platform form board structure according to claim 1 is characterized in that: described Curved beam soffit formwork, seat plate soffit formwork, Curved beam outside cope match-plate pattern, Curved beam outside lower bolster and Curved beam inner side template are wood plywood, bamboo plywood or steel and wood composite plate.
3. cast-in-situ concrete arc ladder viewing platform form board structure according to claim 2, it is characterized in that: the thickness of described Curved beam soffit formwork is not less than 20mm; Described seat plate soffit formwork, Curved beam outside cope match-plate pattern, Curved beam outside lower bolster and Curved beam inner side template thickness are not less than 15 mm.
4. cast-in-situ concrete arc ladder viewing platform form board structure according to claim 1, it is characterized in that: described inner support is supporting steel bar; Described supporting steel bar has a cross bar, and described cross bar two ends are provided with fagging, and described fagging is vertical with cross bar and be parallel to each other, and cross bar is provided with U-shaped carriage upwards; Described fagging props up respectively Curved beam inner side template and Curved beam outside lower bolster, and described U-shaped carriage is held the bottom of Curved beam outside cope match-plate pattern.
5. cast-in-situ concrete arc ladder viewing platform form board structure according to claim 4, it is characterized in that: described supporting steel bar is made with reinforcing bar and Plate Welding.
6. cast-in-situ concrete arc ladder viewing platform form board structure according to claim 1, it is characterized in that: sleeve pipe is inserted in described split bolt stage casing, and the width of described casing length and Curved beam is suitable.
7. cast-in-situ concrete arc ladder viewing platform form board structure according to claim 1, it is characterized in that: described shuttering supporting support body comprises socket joint dish button adjustable scaffold, adjustable vertical rod and U-shaped jacking;
Described socket joint dish button adjustable scaffold comprises cross bar, vertical rod; Band wedge shape plug in two ends on described cross bar, suitable position tep reel button in described vertical rod, while setting up insert cross bar two ends wedge shape plug dish in adjacent vertical rod and buckle internal locking and get final product;
Described adjustable vertical rod structure is the screw mandrel that an end band nut, an end band socket joint dish are buckled, and screw mandrel diameter vertical rod internal diameter is complementary, and after screw mandrel one end inserts vertical rod, rotating nut can be regulated its height, and adjustable vertical rod is arranged on the suitable position in the support body vertical rod;
The structure of described U-shaped jacking is that top is U-shaped mouthful, and the screw mandrel of bottom band nut is welded, and screw mandrel diameter and bottom vertical rod internal diameter are complementary, and after screw mandrel inserts vertical rod, rotating nut can be regulated its height.
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| CN201320377259.9U CN203373970U (en) | 2013-06-28 | 2013-06-28 | Formwork structure of cast-in-place concrete arc-shaped ladder stand |
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| CN201320377259.9U CN203373970U (en) | 2013-06-28 | 2013-06-28 | Formwork structure of cast-in-place concrete arc-shaped ladder stand |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362300A (en) * | 2013-06-28 | 2013-10-23 | 中建七局第二建筑有限公司 | Template structure and method for template support of cast-in-place concrete arc-shaped terrace |
| CN105804397A (en) * | 2016-05-19 | 2016-07-27 | 中国五冶集团有限公司 | Combined steel die structure capable of shaping plate height reducing part and installation method of combined steel die structure |
-
2013
- 2013-06-28 CN CN201320377259.9U patent/CN203373970U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362300A (en) * | 2013-06-28 | 2013-10-23 | 中建七局第二建筑有限公司 | Template structure and method for template support of cast-in-place concrete arc-shaped terrace |
| CN103362300B (en) * | 2013-06-28 | 2015-11-18 | 中建七局第二建筑有限公司 | Cast-in-situ concrete arc step viewing platform form board structure and mold method |
| CN105804397A (en) * | 2016-05-19 | 2016-07-27 | 中国五冶集团有限公司 | Combined steel die structure capable of shaping plate height reducing part and installation method of combined steel die structure |
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Granted publication date: 20140101 Termination date: 20140628 |
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