CN208056107U - A kind of combined steel formwork support system - Google Patents

A kind of combined steel formwork support system Download PDF

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Publication number
CN208056107U
CN208056107U CN201820249545.XU CN201820249545U CN208056107U CN 208056107 U CN208056107 U CN 208056107U CN 201820249545 U CN201820249545 U CN 201820249545U CN 208056107 U CN208056107 U CN 208056107U
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China
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steel form
form panel
steel
plate
lead screw
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CN201820249545.XU
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Inventor
李忠超
蔡兵华
周志
肖振
钟长记
袁继开
陈舜
刘儒风
屈秦萼
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Wuhan Municipal Construction Group Co Ltd
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Wuhan Municipal Construction Group Co Ltd
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Abstract

The utility model discloses a kind of combined steel formwork support systems, including panel device and support device, panel device includes mainly steel form panel and operating platform, steel form panel is set to the top of structure base slab, and it is arranged with building enclosure face, the medial surface of steel form panel is painted with releasing agent, and the lateral surface of steel form panel installs operation platform;Support device includes the first support construction and the second support construction, and the first support construction is set to the bottom of steel form panel, and steel form panel is connected and fixed by the end of the first support construction and structure base slab;The middle part of steel form panel is connected by the second support construction with structure base slab.The beneficial effects of the utility model are:Steel form panel construction reasonable design described in the utility model can quickly be connected between each steel form panel by bolt, not influenced by side wall size, is reduced crane and is hung time and the operation time;And gap is few after metope molding, smooth in appearance, smooth, apparent effect is good.

Description

A kind of combined steel formwork support system
Technical field
The utility model is related to main structure of subway station side wall shuttering supporting technical fields, and in particular to a kind of combination steel Formwork bracing system.
Background technology
In recent years, urban underground space engineering construction is fast-developing, and high and big die plate strutting system is widely used in subway In the structure construction of the underground engineerings such as station, pipe gallery.Currently, plank sheathing strutting system is main structure of subway station side wall Construction main method.However, splicing accuracy requires height between plank sheathing strutting system template, and need to set up full framing as side The support system of wall form, time-consuming;Plank sheathing intensity is low, and cracking, spillage at the big, formwork edge joint that easily deforms cause to take off Surface Quality of Concrete is poor after mould, makes Underground Construction quality control difficulties;Meanwhile through being repeatedly used in turn during, mould Plate loss is larger, and economy and the feature of environmental protection are poor.As society is to underground engineering construction quality, construction efficiency and environmental requirement It improves, steel form support system becomes the important means for improving underground concrete structure construction quality and construction efficiency.
Invention content
The purpose of this utility model is that in view of the deficiencies of the prior art, provide a kind of high quality is used for underground engineering The combined steel formwork support system of structure side wall construction.
The technical solution adopted in the utility model is:A kind of combined steel formwork support system, including panel device and support Device, the panel device include mainly steel form panel and operating platform, and the steel form panel is set to the upper of structure base slab Portion, and arranged with building enclosure face, the medial surface of steel form panel is painted with releasing agent, and the lateral surface of steel form panel is installed Operation platform;The support device includes the first support construction and the second support construction, and first support construction is set to punching block The bottom of plate face plate, steel form panel are connected and fixed by the end of the first support construction and structure base slab;The punching block plate face The middle part of plate is connected by the second support construction with structure base slab.
By said program, the first support construction includes positioning strip, lead screw, securing plate and lead screw nut, and the positioning strip is set Card slot is formed between the bottom of steel form panel, two positioning strips arranged side by side;One end of the lead screw is embedded in structure base slab in advance End, the other end of lead screw passes through card slot and securing plate, is adapted with lead screw nut.
By said program, backing plate is set between securing plate and lead screw nut, the lead screw sequentially passes through card slot, securing plate And backing plate, it is connected with lead screw nut.
By said program, the second support construction includes the diagonal brace rod structure of two groups of parallel arrangements, one end of diagonal brace rod structure It is connected with steel form panel, the other end of diagonal brace rod structure is connected with floor structure.
By said program, the diagonal brace rod structure includes hound, and the upper end of hound is configured with upper ear plate, and upper ear plate is logical Anchor bolt is crossed with the upper ear plate A set on steel form panels outside face to be connected;The lower end of the hound is configured with lower ear plate, lower ear plate It is connected with the pre-embedded steel slab on structure base slab by anchor bolt, pre-embedded steel slab is connect by expansion bolt with structure base slab solid It is fixed.
By said program, the both ends ends screw of the hound is connected with quarter butt, and quarter butt is equipped with upper ear plate or lower ear Lug plate holes compatible with anchor bolt are offered on plate, upper ear plate and lower ear plate;Diagonal brace pole length is offered on the hound Adjustment hole.
By said program, the lateral surface arranged for interval of the steel form panel has lateral back cord and longitudinal ribs, The operation platform is fixed on back cord;The lower end of the ribs is connected and fixed with positioning strip.
The beneficial effects of the utility model are:
1) steel form panel construction reasonable design described in the utility model, can be fast by bolt between each steel form panel Speed connection, is not influenced by side wall size, is reduced crane and is hung the secondary and operation time;And gap is few, outer after metope molding It goes sightseeing sliding, smooth, apparent effect is good.
2), each component of combined steel formwork support system described in the utility model is all made of the stronger steel material of durability, Install, reinforce it is convenient, and it is repeatable utilize, on the one hand saved material, reduced construction cost, on the other hand decreased and apply Work rubbish.
3), combined steel formwork support system described in the utility model is reasonable in design, and construction is quick, to improve in engineering Armored concrete side wall high construction efficiency, it is convenient provide theoretical reference, substantially reduce main structure of subway station reinforced concrete Financial resources, material resources and security risk needed for native side wall construction.
Description of the drawings
Fig. 1 is the structural schematic diagram of one specific embodiment of the utility model.
Fig. 2 is the lateral surface schematic diagram of steel form panel in the present embodiment.
Fig. 3 is the structural schematic diagram of quarter butt in the present embodiment.
Wherein:1, structure base slab;2, building enclosure;3, structural wall reinforcing bar;4, operating platform;5, back cord;6, ribs;7, Steel form panel;8, flange connecting hole;9, upper ear plate;10, flanged plate;11, hound;12, hound length-adjustment holes;13, Lower ear plate;14, expansion bolt;15, pre-embedded steel slab;16, lead screw;17, securing plate;18, backing plate;19, lead screw nut;20, it positions Item;21, fixed anchor bolt;22, lug plate holes;23, quarter butt.
Specific implementation mode
The utility model in order to better understand is in the following with reference to the drawings and specific embodiments made the utility model further Ground describes.
Combined steel formwork support system and its construction method described in the utility model are mainly used for assisting underground structure The side wall of (such as subway station, pipe gallery) is constructed, and needs before side wall construction first to make the structure base slab 1 or structure of side wall There is solid concrete structure under middle plate or side wall.The combined steel formwork support system is fixed on structure base slab 1 or structure One end end of middle plate, and the combined steel formwork support system and building enclosure 2 are positioned opposite;Gang form support system It is side wall construction joint between system and building enclosure 2, reinforced mesh 3, the combined steel formwork branch is arranged in the both sides of side wall construction joint Support system, building enclosure 2 and reinforced mesh 3, which are enclosed, pours cavity, and the side wall concrete of underground structure is poured in pouring In cavity.
A kind of combined steel formwork support system as shown in Figure 1, including panel device and support device, wherein the face Panel assembly mainly include steel form panel 7 and operating platform 4, the steel form panel 7 be set to structure base slab 1 top, and with 2 face of building enclosure arranges that the steel form panel 7 is for supporting concrete lateral pressure and structural outer surface sizing, steel form The medial surface of panel 7 is painted with releasing agent, and the lateral surface of steel form panel 7 installs operation platform 4, steel form panel 7 it is vertical Edge and horizontal edge, which are respectively equipped with flanged plate 10, (when side wall area to be onstructed is larger, need to use polylith punching block plate face Plate 7 splices;Flanged plate 10 is used for the connection of two neighboring steel form panel 7), multiple flanged joints are offered on flanged plate 10 Hole 8;The support device includes the first support construction and the second support construction, and first support construction is set to punching block plate face The bottom of plate 7, steel form panel 7 are connected and fixed by the first support construction and the end of structure base slab 1;The steel form panel 7 middle part is connected by the second support construction with structure base slab 1.In the present embodiment, 4 structure triangular in shape of the operating platform, It uses I-steel to make.
In the utility model, the first support construction includes positioning strip 20, lead screw 16, securing plate 17 and lead screw nut 19, institute The bottom that positioning strip 20 is set to steel form panel 7 is stated, card slot is formed between two positioning strips 20 arranged side by side;The one of the lead screw 16 End is embedded in the end of structure base slab 1 in advance, and the other end of lead screw 16 passes through card slot and securing plate 17, is adapted with lead screw nut 19. Preferably, backing plate 18 is set between securing plate 7 and lead screw nut 19, and the lead screw 16 sequentially passes through card slot, 17 and of securing plate Backing plate 18 is connected with lead screw nut 19.Preferably, seal ring is installed at the 16 pre-buried place of lead screw on side wall thicknesses center line.This reality It applies in example, positioning strip 20 and securing plate 17 are made by channel steel;The backing plate 18 is steel plate.
In the utility model, the second support construction is used to support steel form panel 7, and adjusts entire steel form panel 7 Verticality;Second support construction includes the diagonal brace rod structure of two groups of parallel arrangements, one end and the steel form panel 7 of diagonal brace rod structure It is connected, the other end of diagonal brace rod structure is connected with structure base slab 1.Preferably, the diagonal brace rod structure includes hound 11, diagonal brace The upper end of bar 11 is configured with upper ear plate 9, and upper ear plate 9 passes through anchor bolt 21 and the upper ear plate A phases for being set to 7 lateral surface of steel form panel Even.
In the present embodiment, the lower end of the hound 11 is configured with lower ear plate, and lower ear plate is by anchor bolt 21 and is set to structure Pre-embedded steel slab 15 on bottom plate 1 is connected, and pre-embedded steel slab 15 is connected and fixed by expansion bolt 14 and structure base slab 1.Preferably, The both ends ends screw of the hound 11 is connected with quarter butt 23, as shown in figure 3, quarter butt 23 is equipped with upper ear plate 9 or lower ear plate 13, lug plate holes compatible with anchor bolt 21 22 are offered on upper ear plate 9 and lower ear plate 13;It is offered on the hound 11 tiltedly Stay length adjustment hole 12, by adjusting the length of hound 11 come the verticality for changing steel form panel 7 and each steel form Joint dislocation between panel 7.In the present embodiment, the hound 11 is made by seamless steel pipe;Pre-embedded steel slab 15 passes through four Expansion bolt 14 is connected with structure base slab 1.
In the utility model, the lateral surface arranged for interval of the steel form panel 7 has lateral back cord 5 (solderable) and indulges To ribs 6, the operation platform 4 is fixed on back cord 5;The lower end of the ribs 6 is connected and fixed with positioning strip 20.This In embodiment, the back cord 5 is made of I-steel;The ribs 6 is made of channel steel.
Ground described in the utility model lower side wall construction method is explained in detail below.In the present embodiment, it is desirable that side Have at least 3 meters of work surface on the outside of wall to ensure construction safety, all built-in fittings be both needed to correctly to install and in concreting and Safekeeping is wanted in maintenance processes;The steel form panel 7 of side wall is Q345 shape steel plate of the thickness within the scope of 6~8mm, steel form The inside (namely the side contacted with concrete) of panel 7 need cleaning, it is smooth;Hound 11 is seamless using 135@10mm's of Φ Steel pipe is made;The lower part of hound 11 passes through lower ear plate 13 (lower ear plate 13 is made of the steel plate of 20mm thickness) and structure base slab 1 Interior pre-embedded steel slab 15 connects, to fix the lower part of steel form panel 7 and adjust the verticality of steel form panel 7, pre-embedded steel slab 15 is pre-buried when structure base slab 1 is constructed;The top of hound 11 is connect by quarter butt 23 with steel form panel 7, to adjust punching block The verticality of plate face plate 7 and whole line style;(lead screw 16 is 20 round steel of " L " type Φ, lead screw to pre-buried lead screw 16 in structure base slab 1 The 16 long 25cm of silk mouth), it is carried out when steel form panel 7 is assembled tentatively fixed.
A kind of construction method of combined steel formwork support system, specifically includes following steps:
Step 1: provide each component of combined steel formwork support system as described above, as steel form panel 7, hound 11, Leading screw 16 etc.;
Step 2: pre-buried lead screw 16 and pre-embedded steel slab 15:According to design drawing, the structure base slab 1 in side wall lower part to be onstructed Pre-embedded steel slab 15 is installed when pouring and pre-buried lead screw 16, lead screw 16 are located at side wall construction joint lower part 20cm, one end riveting of lead screw 16 Enter side within the walls and with 3 firm welding of structural wall reinforcing bar, and seal ring is installed at 16 pre-buried place of lead screw on side wall thicknesses center line;
Step 3: according to design drawing, side wall reinforcing bar is arranged in side wall construction joint;
Step 4: it is assembled while clear to carry out examination to each component such as steel form panel 7 of the combined steel formwork support system Side wall operation side is managed, ensures the safe and smooth lifting of each component of the combined steel formwork support system;
Step 5: being corrected to the linear of steel form panel 7, removing the sundries on steel form panel 7 and smearing lubrication Oil should specifically be met the following requirements:(1) flatness of adjustment steel form panel 7, ensures the plate face line of steel form panel 7 Mild-natured whole and no concave-convex (faulting of slab ends of two neighboring steel form panel 7 is no more than 2mm);(2) flanged joint on steel form panel 7 Hole 8 need to clean out and coating lubricating oil;(3) the upper ear plate A of 7 lateral surface of steel form panel need to be cleaned out and be smeared lubrication Oil;(4) 7 verticality of steel form panel meets design specification requirement;
Step 6: lifting steel form panel 7:
1) according to the area assembly steel form panel 7 of side wall to be onstructed, pass through flange between two neighboring steel form panel 7 Plate 10 connects (flanged plate 10 on two steel form panels 7 is bolted);
2) steel form panel 7 is fixed by adjusting hound 11 (namely seamless steel pipe);After hound 11 is fixed, lead to Rotation hound length-adjustment holes 12 are crossed to adjust the length of hound 11 and the verticality of steel form panel 7, are then carried out Steel form panel 7 is reinforced;
3) hound 11 is connect with pre-embedded steel slab 15, completes construction.
When construction, it should be noted that the following:(1) it needs to be connected firmly between pre-buried lead screw 16 and steel form panel 7, using logical Long channel steel as ribs 6,15mm × 15mm 10mm steel plate as 17 lead screw nut 19 of securing plate, make 7 shape of steel form panel Integral connection;(2) according to the position of the length of hound 11 and securing plate 17,16 bolts hole of Φ are reserved in securing plate 17. After the completion of drilling, the positioning of securing plate 17 is hammered into bolt, is reinforced secured.(3) after the completion of steel form panel 7 is fixed, according to punching block The line style and verticality of plate face plate 7 gradually adjust hound 11 to the other end, to ensure steel form from construction segment one end 7 verticality of panel, joint dislocation, line style meet construction requirement.
It is after the completion of the combined steel formwork support system construction, the construction joint of side wall is stifled tight with sealing strip;Side wall steel After 7 acceptance(check) of muscle and steel form panel, concreting in lifts, vibration compacting.Concreting is completed and waits for that its intensity reaches To after design requirement, the steel form support system is removed.Steel form panel 7 after dismounting can utilize again after handling.
The preferred embodiment that these are only the utility model, is not intended to limit the utility model, although with reference to reality Example is applied the utility model is described in detail, it for those skilled in the art, still can be to aforementioned each Technical solution recorded in embodiment is modified or equivalent replacement of some of the technical features, but all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection domain within.

Claims (7)

1. a kind of combined steel formwork support system, which is characterized in that including panel device and support device, the panel device master Will include steel form panel and operating platform, the steel form panel be set to structure base slab top, and with building enclosure face Arrangement, the medial surface of steel form panel are painted with releasing agent, and the lateral surface of steel form panel installs operation platform;The support dress It sets including the first support construction and the second support construction, first support construction is set to the bottom of steel form panel, steel form Panel is connected and fixed by the end of the first support construction and structure base slab;The middle part of the steel form panel passes through the second support Structure is connected with structure base slab.
2. combined steel formwork support system as described in claim 1, which is characterized in that the first support construction include positioning strip, Lead screw, securing plate and lead screw nut, the positioning strip are set to the bottom of steel form panel, are formed between two positioning strips arranged side by side Card slot;One end of the lead screw is embedded in the end of structure base slab in advance, and the other end of lead screw passes through card slot and securing plate, with lead screw spiral shell Cap is adapted.
3. combined steel formwork support system as claimed in claim 2, which is characterized in that set between securing plate and lead screw nut Backing plate is set, the lead screw sequentially passes through card slot, securing plate and backing plate, is connected with lead screw nut.
4. combined steel formwork support system as described in claim 1, which is characterized in that the second support construction includes two groups parallel One end of the diagonal brace rod structure of arrangement, diagonal brace rod structure is connected with steel form panel, the other end and the bottom plate knot of diagonal brace rod structure Structure is connected.
5. combined steel formwork support system as claimed in claim 4, which is characterized in that the diagonal brace rod structure includes diagonal brace The upper end of bar, hound is configured with upper ear plate, and upper ear plate passes through anchor bolt and the upper ear plate A phases for being set to steel form panels outside face Even;The lower end of the hound is configured with lower ear plate, and lower ear plate is connected by anchor bolt with the pre-embedded steel slab on structure base slab, Pre-embedded steel slab is connected and fixed by expansion bolt and structure base slab.
6. combined steel formwork support system as claimed in claim 4, which is characterized in that the both ends ends screw of the hound It is connected with quarter butt, quarter butt is equipped with upper ear plate or lower ear plate, ear compatible with anchor bolt is offered on upper ear plate and lower ear plate Plate hole;Hound length-adjustment holes are offered on the hound.
7. combined steel formwork support system as claimed in claim 2, which is characterized in that between the lateral surface of the steel form panel Every being disposed with lateral back cord and longitudinal ribs, the operation platform is fixed on back cord;The lower end of the ribs with Positioning strip is connected and fixed.
CN201820249545.XU 2018-02-12 2018-02-12 A kind of combined steel formwork support system Active CN208056107U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108222066A (en) * 2018-02-12 2018-06-29 武汉市市政建设集团有限公司 A kind of combined steel formwork support system and its construction method
CN110630013A (en) * 2019-09-24 2019-12-31 中铁一局集团有限公司 Movable assembled side wall steel formwork and construction method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108222066A (en) * 2018-02-12 2018-06-29 武汉市市政建设集团有限公司 A kind of combined steel formwork support system and its construction method
CN110630013A (en) * 2019-09-24 2019-12-31 中铁一局集团有限公司 Movable assembled side wall steel formwork and construction method thereof

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