CN103104092A - Support composite structure of beam and slab - Google Patents

Support composite structure of beam and slab Download PDF

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Publication number
CN103104092A
CN103104092A CN2013100270186A CN201310027018A CN103104092A CN 103104092 A CN103104092 A CN 103104092A CN 2013100270186 A CN2013100270186 A CN 2013100270186A CN 201310027018 A CN201310027018 A CN 201310027018A CN 103104092 A CN103104092 A CN 103104092A
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CN
China
Prior art keywords
buckle frame
dish
bar
dish buckle
type
Prior art date
Application number
CN2013100270186A
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Chinese (zh)
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CN103104092B (en
Inventor
武雷
沈高传
郝伟
田野
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东南大学
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Priority to CN201310027018.6A priority Critical patent/CN103104092B/en
Publication of CN103104092A publication Critical patent/CN103104092A/en
Application granted granted Critical
Publication of CN103104092B publication Critical patent/CN103104092B/en

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Abstract

The invention discloses a support composite structure of a beam and a slab, and the support composite structure of the beam and the slab comprises H-shaped supports. Each H-shaped support is composed of a horizontal rod, a vertical rod and an inclined rod. The horizontal is connected with the vertical rod in a welded mode, and the horizontal rod and the vertical rod form a plane unit. Different H-shaped supports are chosen to conduct composition according to different structural elevations. Horizontal rods are wedged from other directions through plate buckles of the vertical rods, and finally an independent tower column under a beam is formed. Load of a reinforced concrete beam is transferred downwards through the vertical rod which is arranged in the middle of the H-shaped support. Two horizontal rods are arranged under the beam to increase stability of the tower column structure. The top portion of the support can adopt an adjustable carrier to support the load transferred through a reinforced concrete floor. The adjustable carrier comprises an adjustable carrier support which is arranged on the top portion of the adjustable carrier and an adjustable carrier which is arranged on the bottom portion of the adjustable carrier. The adjustable carrier is composed of a threaded rod and an adjusting nut. The adjusting nut is connected on a screw rod through threads. One end of the threaded rod is sleeved on the top portion or the bottom portion of the H-shaped support and is fixed through the adjusting nut. The support composite structure of the beam and the slab has the advantages of being safe, stable, rapid in assembling and disassembling, simple in structure, convenient to use and the like.

Description

A kind of beam-slab bracing system combining structure
Technical field
The invention belongs to the civil engineering work technical field, relate to a kind of beam slab tool-type for common cast-in-situ steel reinforced concrete and support.
Background technology
The monolithic reinforced concrete structure system of China is huge, it is the at present domestic method that generally adopts, and need to drop into a large amount of shuttering supportings in the construction of monolithic reinforced concrete structure, especially the beam and slab structure that generally adopts of China, cast in situ reinforced concrete beam and floor commonly used in reinforced concrete structure, traditional supporting way mostly is pillar and supports, and comprises that the common steel tube fastener supports, the bowl buckle frame supports, door frame supports, speed connects dish buckle frame support etc.Common steel tube fastener support system complex structure wherein, the amount of setting up is large, and the connected node of rod member comes power transmission by the skid resistance of fastener, and bearing capacity is not high; The vertical rod of bowl buckle frame is detained node with cross bar by bowl and is connected, fastener node than the common steel tube fastener frame more is partial to hinged, thereby for satisfying durability requirements needs coupling brace, but its space scale of setting up is subjected to the restriction of bowl button node location and cross bar length modulus, flexibility descends, and door frame relies on the gantry unit expansion to form stabilising system, and bearing capacity is relatively large, but its space scale of setting up is limited by the modulus of gantry unit itself also, and flexibility is inadequate; It is the domestic novel bracing frame that occurred in recent years that speed connects the dish buckle frame, its cross bar is buckled the node latch with vertical rod by dish and is connected, after the coupling brace, can set up into independently tower stabilization element, but owing to lacking horizontal struts system and all adopting latch to connect, and the bearing capacity that utilizes king-post not yet in effect.These traditional supporting way rod members are all by being spliced one by one, successively from the rod member to the unit again to final braced structures, cross bar and vertical rod and vertical rod and brace support or pass through fastener or detain by bowl, or connect by latch, be in hinged and semi-rigid joint between, be not to rigidly connect completely, usually adopt the hinged designing and calculating of carrying out for the stability that guarantees structure in calculating, thereby can not bring into play the supporting capacity that member itself possesses fully, overall economic efficiency is not strong.The present invention is for giving full play to the existing structural-load-carrying capacity of member, form the post type structure by " H " carrier unit, for strengthening the stable row of structure, brace is connected with vertical rod by latch, and shared upper load, use can be repeatedly had enough to meet the need in the support of tool-type, thereby the construction economy benefit of whole in-situ reinforced concrete slab is improved.
Summary of the invention
Technical problem: the present invention can bear its top load of construction period for solving the cast-in-situ beam slab board member safety economy, a kind of resistance to overturning that improves support body is provided, on-site consolidation is quick, and labour demand is less, makes structure rational beam-slab bracing system combining structure more economically.
Technical scheme: beam-slab bracing system combining structure of the present invention, comprise the first braced structures and be arranged on the second braced structures of the first braced structures both sides, the first braced structures comprises superstructure and substructure, superstructure is connected two two cross bar H type dish buckle frames that are oppositely arranged and connect and is consisted of with substructure, the bottom of superstructure is connected with the top of substructure, and the top of superstructure is provided with adjustable jack.
The second braced structures comprises two single cross bar H type dish buckle frames that are oppositely arranged and connect, is arranged on ground adjustable collet, single cross bar H type dish buckle frame is connected with adjustable collet by the vertical vertical rod of below, the bottom of another single cross bar H type dish buckle frame is connected with two cross bar H type dish buckle frames of the first braced structures middle and upper part structure, plane, single cross bar H type dish buckle frame place is vertical with plane, two cross bar H type dish buckle frame place, and the top of single cross bar H type dish buckle frame also is provided with adjustable jack.
In the present invention, single cross bar H type dish buckle frame comprise the first dish that the first dish buckle frame cross bar, two are separately positioned on the first dish buckle frame cross bar two ends buckle, two be arranged on the first dish and detain the first dish buckle frame column of side, two and be arranged on first and coil the first jacket-type vertical rod adapter sleeve of buckling side, and two first dish buckle frame braces that connect the first dish buckle frame cross bar and the first dish buckle frame column, the upside of the first jacket-type vertical rod adapter sleeve and adjustable jack connection;
two cross bar H type dish buckle frames comprise the second dish buckle frame cross tube and the second dish buckle frame sheer pole that be arranged in parallel, two lay respectively at second and coil the second dish buckle frame column at buckle frame cross tube two ends, and two first dish buckle frame braces that connect the second dish buckle frame sheer pole and the second dish buckle frame column, the two ends of the second dish buckle frame sheer pole are connected with the second dish buckle frame column respectively, equidistantly be provided with four second dish buttons on the second dish buckle frame cross tube and be positioned at the second jacket-type vertical rod adapter sleeve that the second dish is buckled, the downside and second that wherein is positioned at the second dish button at two ends coils buckle frame sheer pole upper end and is connected, the downside that is positioned at two the second dish buttons in stage casing is connected with short column, the lower end of short column is connected with the second dish buckle frame sheer pole, the lower end of every second dish buckle frame column is provided with one the 3rd dish button, the upside of the second jacket-type vertical rod adapter sleeve and adjustable jack connection.
In the present invention, between two cross bar H type dish buckle frames that two are oppositely arranged, and between two single cross bar H type dish buckle frames that are oppositely arranged, all connect by being arranged on the cross bar of two relative dishes between buckleing, also connect by horizontal cross bar between two adjacent vertical vertical rods.
In of the present invention pair of cross bar H type dish buckle frame, the downside of the second dish buckle frame sheer pole is connected with two additional vertical rods.
" H " type support is comprised of horizon bar and vertical rod, and horizon bar is connected with vertical rod by welding, forms the unit on plane.select different " H " type supports to make up according to different structural elevations, and buckle the wedging horizon bar in other directions by the dish of vertical rod, the final independent king-post that forms under beam, reinforced concrete beam is by the vertical rod going down load in the middle of H type door frame, in order to strengthen the stability of tower column structure, the twice horizon bar is set under beam, adjustable holder can be adopted in the top of support, the load that the bearing bar concrete floor transmits, adjustable holder had both comprised that the adjustable holder support at top also comprised the adjustable holder of bottom, adjustable holder is comprised of threaded rod and adjusting nut, adjusting nut has been threaded on screw rod, threaded rod one end is set in top or the bottom of " H " type support, and by the adjusting nut permanent position.
Beneficial effect: the present invention compared with prior art has the following advantages:
The present invention applicable to different deck-moldings and plurality of plate across the application of cast-in-place concrete floor in engineering, increase economic efficiency.Present domestic form bracing system mainly contains (1) common steel tube fastener support system mainly take the pillar support system as main; (2) bowl buckle frame support system; (3) gantry support system; (4) speed connects dish buckle frame support system.Common steel tube fastener support system complex structure wherein, the amount of setting up is large, the connected node of rod member comes power transmission by the skid resistance of fastener, bearing capacity is not high, but common steel tube fastener frame support system to set up space scale relatively flexible; The vertical rod of bowl buckle frame is detained node with cross bar by bowl and is connected, fastener node than the common steel tube fastener frame more is partial to hinged, thereby for satisfying stability requirement needs coupling brace, the vertical rod top is established adjustable holder and is made vertical rod be the uniaxial force state, the single pole bearing capacity is large, but its space scale of setting up is subject to the restriction of bowl button node location and cross bar length modulus, and flexibility descends; The gate-type frame relies on the expansion of gantry unit to form stable support system, and side direction connects by brace, and bearing capacity is relatively large, can form local wide open space, but its space scale of setting up is limited by the modulus of gantry unit itself also, and flexibility is inadequate; Speed connects dish buckle frame cross bar and buckles node with vertical rod by dish and be connected, can form tower steady rest body unit after the coupling brace, but because its node is not to rigidly connect fully, neither be hinged, and be the semi-rigid joint node, the bearing capacity of king-post is not fully exploited, and on-the-spot workman's assembly unit workload is very large.The load that the superstructure transmission is got off in support of the present invention is born by the king-post that " H " type support forms, according to the difference of span of slab by regulating vertical king-post position and increasing attached king-post, realize becoming across requirement, have more versatility in engineering.Also avoided on the other hand directly setting up common steel tube scaffold support method for a large amount of uses of material and manpower under cast-in-situ beam slab.So by tool bracing formula structure, but the economical with materials use amount reduces manpower consumption, realizes early form removal, accelerates the turnover of material, increases economic efficiency;
2, this tool bracing realizes that all detachably makeup is joined, and connector is less, and mounting or dismounting are convenient, and can repeatedly have enough to meet the need use, meet the requirement of Modern Construction Technology development trend;
5, all members of this tool bracing all can be used steel commonly used, make with simple for use, and universality and economy are stronger.
Description of drawings
Fig. 1 is the schematic diagram of horizontal cross bar of the present invention.
Fig. 2 is the schematic diagram of vertical rod of the present invention.
Fig. 3 is the schematic diagram of additional vertical rod of the present invention.
Fig. 4 is the schematic diagram of adjustable jack of the present invention.
Fig. 5 is the schematic diagram of adjustable collet of the present invention.
Fig. 6 is the schematic diagram of single cross bar H dish buckle frame of the present invention.
Fig. 7 is the schematic diagram of of the present invention pair of cross bar H dish buckle frame.
Fig. 8 is the general assembly schematic diagram of prefabricated superimposed sheet member of the present invention and tool bracing.
Fig. 9 is prefabricated superimposed sheet member practical application schematic diagram of the present invention.
Have in figure: 1 is vertical vertical rod, and 2 is single cross bar H type dish buckle frame, and 3 is the H type dish buckle frame of two cross bars, and 4 are additional vertical rod, and 5 is horizontal cross bar, and 6 is adjustable jack, and 7 is adjustable collet, and 8 is that the first wooden a tree, used in making timber for boats, 9 is the second wooden a tree, used in making timber for boats, and 10 is template.
101 is vertical vertical rod adapter sleeve, 104 is that upper dish is buckled, 102 is the lower wall button, 202 is the first jacket-type vertical rod adapter sleeve, 203 is the first dish button, 204 is the first dish buckle frame column, 205 is the first dish buckle frame cross bar, 207 is the first dish buckle frame brace, 301 is the second dish buckle frame cross tube, 302 is the second dish buckle frame sheer pole, 303 is the second dish buckle frame column, 304 is the second dish buckle frame brace, 305 is short column, 306 is the second dish button, 307 is the second jacket-type vertical rod adapter sleeve, 308 is the 3rd dish button, 401 are additional vertical rod adapter sleeve, 501 is connecting bolt, 503 is connecting bolt, 601 is the adjustable jack top support frame, 602 is the adjustable jack adjusting nut, 603 is the adjustable jack threaded rod, 703 is adjustable collet threaded rod, 702 adjustable collet adjusting nuts, 701 is adjustable collet base.
The specific embodiment
Below in conjunction with Figure of description and embodiment, the present invention is done further illustrating.
Beam-slab bracing system combining structure of the present invention, comprise the first braced structures and be arranged on the second braced structures of the first braced structures both sides, the first braced structures comprises superstructure and substructure, superstructure is connected two two cross bar H type dish buckle frames that are oppositely arranged and connect 3 and is consisted of with substructure, the bottom of superstructure is connected with the top of substructure, the top of superstructure is provided with adjustable jack 6
The second braced structures comprises two single cross bar H type dish buckle frames 2 that are oppositely arranged and connect, is arranged on ground adjustable collet 7, single cross bar H type dish buckle frame 2 is connected with adjustable collet 7 by the vertical vertical rod 1 of below, the bottom of another single cross bar H type dish buckle frame 2 is connected with two cross bar H type dish buckle frames 3 of the first braced structures middle and upper part structure, single cross bar H type dish buckle frame 2 planes, place are vertical with pair cross bar H type dish buckle frames 3 planes, place, and the top of single cross bar H type dish buckle frame 2 also is provided with adjustable jack 6.
Wherein, single cross bar H type dish buckle frame 2 comprises that the first dish that the first dish buckle frame cross bar 205, two are separately positioned on the first dish buckle frame cross bar 205 two ends buckle 203, two and be arranged on the first dish and buckle first of 203 downsides and coil buckle frame column 204, two and be arranged on first and coil the first jacket-type vertical rod adapter sleeve 202 of buckleing 203 upsides, and the upside and adjustable jack 6 connections that connect two first dish buckle frame brace 207, the first jacket-type vertical rod adapter sleeves 202 of the first dish buckle frame cross bar 205 and the first dish buckle frame column 204;
two cross bar H type dish buckle frames 3 comprise the second dish buckle frame cross tube 301 and the second dish buckle frame sheer pole 302 that be arranged in parallel, two lay respectively at second and coil the second dish buckle frame column 303 at buckle frame cross tube 301 two ends, and two first dish buckle frame braces 304 that connect the second dish buckle frame sheer pole 302 and the second dish buckle frame column 303, the two ends of the second dish buckle frame sheer pole 302 are connected with the second dish buckle frame column 303 respectively, equidistantly be provided with four second dish buttons 306 on the second dish buckle frame cross tube 301 and be positioned at the second the second jacket-type vertical rod adapter sleeve 307 that coils on button 306, be positioned at two the second second dish buckle frame sheer pole 302 upper ends connections of coiling the downside of button 306 in stage casing, the downside that is positioned at two the second dish buttons 306 in stage casing is connected with short column 305, the lower end of short column 305 is connected with the second dish buckle frame sheer pole 302, the lower end of every second dish buckle frame column 303 is provided with one the 3rd dish button 308, the upside of the second jacket-type vertical rod adapter sleeve 307 and adjustable jack 6 connections.
In the present invention, between two cross bar H type dish buckle frames 3 that two are oppositely arranged, and between two single cross bar H type dish buckle frames 2 that are oppositely arranged, all connect by being arranged on the horizontal cross bar 5 of two relative dishes between buckleing, also connect by horizontal cross bar 5 between two adjacent vertical vertical rods 1, finally form independent king-post support under beam.
In order to guarantee the bearing capacity of beam lower frame, in the H of two cross bars type dish buckle frame 3, the downside of the second dish buckle frame sheer pole 302 has additional two additional vertical rods 4.Wherein in the substructure of the first braced structures, the bottom of two additional vertical rods 4 of setting up in the H of two cross bars type dish buckle frame 3 is connected with respectively adjustable collet 7, in superstructure, be connected with the second jacket-type vertical rod adapter sleeve 307 below being positioned at it in the bottom of two additional vertical rods 4 that the H of two cross bars type dish buckle frame 3 is set up.
For resistance to overturning and the bearing capacity that guarantees support body, be provided with the second braced structures in the both sides of the first braced structures, at first the load of cast in place concrete plate is delivered to beam-slab template 10, the second wooden a tree, used in making timber for boats 9, the first wooden a tree, used in making timber for boats 8, then be delivered to single cross bar H type dish buckle frame 2, horizontal cross bar 5 and vertical vertical rod 1, finally be delivered to adjustable collet 7.In the present embodiment:
The H type dish buckle frame 3 of two cross bars forms " H " type gantry unit, " H " type dish buckle frame in length and breadth to horizontal cross bar 5 row assembly units, wherein horizontal cross bar 5 comprises, connecting bolt 501, connecting bolt 503.Extend a vertical vertical rod 1 across pylon and comprise, vertical rod adapter sleeve 101, upper dish buckles 104, lower wall button 102 and vertical vertical rod 1.The additional vertical rod 4 of setting up power transmission comprises, vertical rod adapter sleeve 401, additional vertical rod 4.
Adjustable jack 6 covers under template 10 are inserted in single cross bar H type dish buckle frame 2, wherein adjustable jack comprises carriage 601, screw rod 603 and adjusting nut 602, different H type dish buckle frames forms total by mutual inserting, the bottom of the H type dish buckle frame 3 of two cross bars is connected with adjustable collet 7, so-called adjustable collet 7 comprises threaded rod 703, adjusting nut 702 and base plate 701.

Claims (4)

1. beam-slab bracing system combining structure, it is characterized in that, this combining structure comprises the first braced structures and is arranged on the second braced structures of described the first braced structures both sides, described the first braced structures comprises superstructure and substructure, described superstructure is connected two two cross bar H type dish buckle frames (3) of being oppositely arranged and connecting and is consisted of with substructure, the bottom of superstructure is connected with the top of substructure, and the top of superstructure is provided with adjustable jack (6)
described the second braced structures comprises two single cross bar H type dish buckle frames (2) that are oppositely arranged and connect, be arranged on ground adjustable collet (7), a described single cross bar H type dish buckle frame (2) is connected with adjustable collet (7) by the vertical vertical rod (1) of below, the bottom of another single cross bar H type dish buckle frame (2) is connected with two cross bar H type dish buckle frames (3) of the first braced structures middle and upper part structure, described single cross bar H type dish buckle frame (2) plane, place is vertical with two cross bar H type dish buckle frames (3) planes, place, the top of single cross bar H type dish buckle frame (2) also is provided with adjustable jack (6).
2. beam-slab bracing system combining structure according to claim 1, it is characterized in that, described single cross bar H type dish buckle frame (2) comprises the first dish buckle frame cross bar (205), two are separately positioned on described first and coil the first dish button (203) at buckle frame cross bar (205) two ends, two the first dish buckle frame columns (204) that are arranged on described first dish button (203) downside, two the first jacket-type vertical rod adapter sleeves (202) that are arranged on first dish button (203) upside, and two first dish buckle frame braces (207) that connect the first dish buckle frame cross bar (205) and the first dish buckle frame column (204), the upside of described the first jacket-type vertical rod adapter sleeve (202) and adjustable jack (6) connection,
described pair of cross bar H type dish buckle frame (3) comprises the second dish buckle frame cross tube (301) and the second dish buckle frame sheer pole (302) that be arranged in parallel, two lay respectively at second and coil the second dish buckle frame column (303) at buckle frame cross tube (301) two ends, and two first dish buckle frame braces (304) that connect the second dish buckle frame sheer pole (302) and the second dish buckle frame column (303), the two ends of the second dish buckle frame sheer pole (302) are connected with the second dish buckle frame column (303) respectively, equidistantly be provided with four second dish buttons (306) and be positioned at the described second the second jacket-type vertical rod adapter sleeve (307) that coils on button (306) on described the second dish buckle frame cross tube (301), be positioned at two second second dish buckle frame sheer pole (302) the upper end connections of coiling the downside of button (306) in stage casing, the downside that is positioned at two the second dish buttons (306) in stage casing is connected with short column (305), the lower end of described short column (305) is connected with the second dish buckle frame sheer pole (302), the lower end of every second dish buckle frame column (303) is provided with one the 3rd dish button (308), the upside of described the second jacket-type vertical rod adapter sleeve (307) and adjustable jack (6) connection.
3. beam-slab bracing system combining structure according to claim 1 and 2, it is characterized in that, between described two two cross bar H type dish buckle frames (3) that are oppositely arranged, and between two single cross bar H type dish buckle frames (2) that are oppositely arranged, all connect by being arranged on the horizontal cross bar (5) of two relative dishes between buckleing, also connect by horizontal cross bar (5) between two adjacent vertical vertical rods (1).
4. beam-slab bracing system combining structure according to claim 1 and 2, is characterized in that, in described pair of cross bar H type dish buckle frame (3), the downside of the second dish buckle frame sheer pole (302) is connected with two additional vertical rods (4).
CN201310027018.6A 2013-01-24 2013-01-24 Support composite structure of beam and slab CN103104092B (en)

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Application Number Priority Date Filing Date Title
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CN103104092B CN103104092B (en) 2015-05-06

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104594628A (en) * 2015-01-07 2015-05-06 福建工程学院 Structure template supporting system for cast-in-place concrete beam plate and construction method for structure template supporting system
CN104652809A (en) * 2015-01-07 2015-05-27 福建工程学院 Construction method of support system for templates of concrete beams and slabs
CN104847109A (en) * 2015-03-20 2015-08-19 福建工程学院 Concrete formwork tool type framework support system and construction method
CN105839913A (en) * 2016-03-29 2016-08-10 杭州二建建设有限公司 Socket type slot mode steel tube support section steel joist construction method
CN109025331A (en) * 2018-07-17 2018-12-18 上海理工大学 Combinable disk button prefabricated panel support construction
CN110206300A (en) * 2019-05-14 2019-09-06 上海二十冶建设有限公司 Fulcrum adjustable formwork holder device and its installation method

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JPH06101340A (en) * 1992-09-16 1994-04-12 Jdc Corp Beam separator for half pca floor plate and installing method for beam floor form using beam separator
CN101761233A (en) * 2009-12-31 2010-06-30 青建集团股份公司 Beam slab template supporting system and concrete column drawknot method
CN102691411A (en) * 2012-06-21 2012-09-26 中国建筑第五工程局有限公司 Beam plate post-cast strip template support system and construction method thereof
CN202519966U (en) * 2012-03-17 2012-11-07 浙江城建建设集团有限公司 Gate-type steel tube and fastener-type steel tube combined formwork support device
CN203201140U (en) * 2013-01-24 2013-09-18 东南大学 Beam slab support

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Publication number Priority date Publication date Assignee Title
JPH06101340A (en) * 1992-09-16 1994-04-12 Jdc Corp Beam separator for half pca floor plate and installing method for beam floor form using beam separator
CN101761233A (en) * 2009-12-31 2010-06-30 青建集团股份公司 Beam slab template supporting system and concrete column drawknot method
CN202519966U (en) * 2012-03-17 2012-11-07 浙江城建建设集团有限公司 Gate-type steel tube and fastener-type steel tube combined formwork support device
CN102691411A (en) * 2012-06-21 2012-09-26 中国建筑第五工程局有限公司 Beam plate post-cast strip template support system and construction method thereof
CN203201140U (en) * 2013-01-24 2013-09-18 东南大学 Beam slab support

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104594628A (en) * 2015-01-07 2015-05-06 福建工程学院 Structure template supporting system for cast-in-place concrete beam plate and construction method for structure template supporting system
CN104652809A (en) * 2015-01-07 2015-05-27 福建工程学院 Construction method of support system for templates of concrete beams and slabs
CN104594628B (en) * 2015-01-07 2016-10-26 福建工程学院 Cast-in-place concrete contignation form bracing system and construction method
CN104847109A (en) * 2015-03-20 2015-08-19 福建工程学院 Concrete formwork tool type framework support system and construction method
CN105839913A (en) * 2016-03-29 2016-08-10 杭州二建建设有限公司 Socket type slot mode steel tube support section steel joist construction method
CN109025331A (en) * 2018-07-17 2018-12-18 上海理工大学 Combinable disk button prefabricated panel support construction
CN110206300A (en) * 2019-05-14 2019-09-06 上海二十冶建设有限公司 Fulcrum adjustable formwork holder device and its installation method
CN110206300B (en) * 2019-05-14 2021-03-19 上海二十冶建设有限公司 Fulcrum-adjustable formwork support device and mounting method thereof

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