CN106812312A - Large span form bracing system and its construction method - Google Patents

Large span form bracing system and its construction method Download PDF

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Publication number
CN106812312A
CN106812312A CN201710068298.3A CN201710068298A CN106812312A CN 106812312 A CN106812312 A CN 106812312A CN 201710068298 A CN201710068298 A CN 201710068298A CN 106812312 A CN106812312 A CN 106812312A
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CN
China
Prior art keywords
support body
stupefied
support
open
inserting groove
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710068298.3A
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Chinese (zh)
Inventor
邢鹤遥
王凯峰
张广禹
尹继彪
徐军伟
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China Construction Eighth Engineering Division Co Ltd
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China Construction Eighth Engineering Division Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Construction Eighth Engineering Division Co Ltd filed Critical China Construction Eighth Engineering Division Co Ltd
Priority to CN201710068298.3A priority Critical patent/CN106812312A/en
Publication of CN106812312A publication Critical patent/CN106812312A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48Supporting structures for shutterings or frames for floors or roofs
    • E04G11/483Supporting heads
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00Shores or struts; Chocks

Abstract

The present invention relates to a kind of large span form bracing system and its construction method, the support system includes:Branch shores support body located at template bottom, described to shore support body interval setting and the periphery at top is provided with inserting groove;And morning of the branch located at the template bottom tears support body open, the morning tears support body open and is placed in and shores between support body, the end that the morning tears support body open is formed with the connection-peg for adapting to the inserting groove, is inserted into the inserting groove by the connection-peg and is connected to form form bracing system with corresponding support body of shoring so as to realize that the morning tears support body open.Support body and the early support system for tearing support body formation one open are shored using socket connection, to meet the support demand of large span template, and socket connection it is easy for installation, dismounting be also convenient for, support body dismounting will early be torn by when the concrete strength for pouring reaches 50% open, support body support shuttering and concrete are shored in reservation, untill concrete strength reaches 100%.

Description

Large span form bracing system and its construction method
Technical field
System the present invention relates to support slab form in the realm of building construction, refers in particular to a kind of suitable for large span and part Component can early tear and then have enough to meet the need the form bracing system and its construction method for utilizing open.
Background technology
With the progress and expanding economy of society, the construction of more and more heavy constructions is promoted, height is set up, large span Structural construction it is also more and more, traditionally more than 8m large span high and big die plate construction set up using full hall scaffold, treat Casting concrete intensity reaches 100%, and wooden a tree, used in making timber for boats, template can just carry out overall pulling down.Usual (week in winter long in the construction method cycle Phase is longer), material turnover is slow, often as a big factor of influence construction speed.
The content of the invention
Defect it is an object of the invention to overcome prior art, there is provided a kind of large span form bracing system and its construction Method, solve in the prior art large span template construction using the full hall scaffold erection construction cycle is long, material turnover slow-motion and Influence the problem of construction speed.
Realizing the technical scheme of above-mentioned purpose is:
The invention provides a kind of large span form bracing system, including:
Branch shores support body located at template bottom, described to shore support body interval setting and the periphery at top is provided with inserting groove; And
Morning of the branch located at the template bottom tears support body open, and the morning tears support body open and is placed in and shores between support body, and the morning tears frame open The end of body is formed with the connection-peg for adapting to the inserting groove, is inserted into the inserting groove so as to real by the connection-peg The existing morning tears support body open and shores support body connection to form form bracing system with corresponding.
Support body and the early support system for tearing support body formation one open are shored using socket connection, to meet large span template Support demand, and socket connection it is easy for installation, dismounting be also convenient for, when the concrete strength for pouring reaches 50% by will early tear open Support body is removed, and support body support shuttering and concrete are shored in reservation, untill concrete strength reaches 100%.By setting Early tearing support body open can improve the turnover utilization of material, it is to avoid influence construction speed, even if concrete set time is more long also can Remove early and early tear support body open to carry out installing for next layer of template.And early tear support body open uses socket connection with support body is shored so that Being attached and removed between two support bodys facilitates, and can realize quick connection and quick dismounting, and then shorten construction period.
Large span form bracing system of the present invention further improvement is that, it is described shore support body include positioned at bottom the One support, the connection first support and adjustable for height first regulation jacking, the master being placed on the first regulation jacking Keel and the secondary joist being erected on the main joist, the main joist and the secondary joist transverse and longitudinal are staggered and are Hollow-core construction is formed with the inserting groove so as to end.
Large span form bracing system of the present invention further improvement is that, the first support be frame structure, including Four vertical rods and support are connected to the cross bar in two adjacent vertical rods, and the first regulation top is connected with the top of the vertical rod Support.
Large span form bracing system of the present invention further improvement is that, the morning tear open support body include positioned at bottom the Two supports, the connection second support and adjustable for height second regulation jacking, the master being placed on the second regulation jacking It is stupefied and be erected on the master it is stupefied on it is secondary stupefied, the stupefied and described time stupefied transverse and longitudinal of the master is staggered and end is formed State connection-peg.
Large span form bracing system of the present invention further improvement is that, it is right that the connection-peg of the stupefied end of master is inserted into In the inserting groove of the main joist end answered, and the stupefied top of the master is concordant with the top of the main joist;Described stupefied end Connection-peg be inserted into the inserting groove of corresponding secondary joist end, and time stupefied top and the secondary joist top flat Together.
Present invention also offers a kind of construction method of large span form bracing system, comprise the following steps:
Support body is shored in offer, by the branch for shoring support body interval located at the set location of template, and described shores support body The periphery at top is provided with inserting groove;
There is provided it is early tears support body open, tear the morning open support body branch and shored between support body located at described, and the morning tears the end of support body open Portion is formed with the connection-peg for adapting to inserting groove, is inserted into corresponding inserting groove so as to real by by the connection-peg for early tearing support body open Now early support body of tearing open is connected with corresponding support body of shoring;
The template is supported by shoring support body and early support body of tearing open, treats that the concrete poured on template reaches design strength 50% when, the morning is torn open support body and removes and retain and is shored support body and is supported the template until the concrete for being poured reaches and sets Untill meter intensity.
Large span form bracing system of the present invention construction method further improvement is that, there is provided shoring support body includes:
First support and adjustable for height first regulation jacking are provided, the described first regulation jacking is connected to described first The top of support;
Main joist and secondary joist are provided, the main joist are placed on the first regulation jacking, by the secondary joist It is erected on the main joist, and the secondary joist and the main joist transverse and longitudinal are staggered, the secondary joist and the master Keel are hollow-core construction so as to end is formed with the inserting groove.
Large span form bracing system of the present invention construction method further improvement is that, the first support is framework Structure, including four vertical rods and support are connected to the cross bar in two adjacent vertical rods, and the described first regulation jacking is connected to The top of the vertical rod.
Large span form bracing system of the present invention construction method further improvement is that, there is provided it is early to tear support body open, including:
Second support and adjustable for height second regulation jacking are provided, the described second regulation jacking is connected to described second The top of support;
There is provided master stupefied and secondary stupefied, be placed in the master is stupefied described second and adjust on jacking, secondary stupefied institute is erected on by described State and lead on stupefied, and the described stupefied and described stupefied transverse and longitudinal of master is staggered, described time the stupefied end of stupefied and described master is formed State connection-peg.
Large span form bracing system of the present invention construction method further improvement is that, by will early tear inserting for support body open Joint is inserted into corresponding inserting groove so as to realize that early support body of tearing open is connected with corresponding support body of shoring, including:
The connection-peg of the stupefied end of master for tearing the morning open support body is inserted into the inserting groove of corresponding main joist end, and institute State the stupefied top of master concordant with the top of the main joist;
The connection-peg that the morning is torn open the secondary stupefied end of support body is inserted into the inserting groove of corresponding secondary joist end, and institute State secondary stupefied top concordant with the top of the secondary joist.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of large span form bracing system of the present invention.
Fig. 2 is the explosive decomposition structural representation of large span form bracing system of the present invention.
Fig. 3 is the top view of large span form bracing system of the present invention.
Fig. 4 is the sectional view along main joist setting direction in large span form bracing system of the present invention.
Fig. 5 is the sectional view along secondary joist setting direction in large span form bracing system of the present invention.
Fig. 6 is that large span form bracing system of the present invention is main joist and the stupefied junction close-up schematic view of master.
Specific embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Refering to Fig. 1, the invention provides a kind of large span form bracing system and its construction method, the form bracing system For supporting slab form, floor is formed to pour.For the large span shuttering supporting more than 8 meters in existing way, generally Using full hall scaffold support shuttering, and need to wait for be removed after floor strength reaches 100% scaffold to be used in turn, make Obtain material turnover slowly and then influence construction speed.And large span form bracing system of the invention includes shoring for socket connection Support body tears support body open with early, and a support system for entirety is formed using socket connection, disclosure satisfy that the support of slab form, and take If assembly is convenient, speed of application is fast, and only uses socket connection in the surrounding for shoring support body, and component need not be customized, as long as will be early The end cutting for tearing support body open is in small size, so convenient material drawing, using original component for setting up scaffold, it is to avoid Custom fabricated, can greatly be cost-effective.When dismounting early tears support body open, also extremely convenient, improves component for socket connection It is used in turn efficiency.Large span form bracing system of the present invention and its construction method are illustrated below in conjunction with the accompanying drawings.
As shown in figure 1, large span form bracing system 20 of the invention is used for support shuttering 10, poured on the template 10 To form required concrete structure, usually, using support system, 20 are located on ground or floor concrete, prop up thereon The template 10 of support is used to pour to form new floor.The support system 10 includes that branch shores the He of support body 21 located at the bottom of template 10 The morning that branch is located at the bottom of template 10 tears support body 22 open, and with reference to shown in Fig. 2, the periphery for shoring the interval setting of support body 21 and top is provided with slotting Access slot 211, illustrate only one and shores support body 21 and partial morning tears support body 22 open in figure, shore branch of the support body 21 according to template 10 Support intensity requirement set, in the bottom of template 10 this shore support body 21 transversely with longitudinal direction interval setting;Early support body 22 is torn open to put Between support body 21 is shored, the end that the morning tears support body 22 open is formed with the connection-peg 221 for adapting to inserting groove 211, by grafting First 221 are inserted into inserting groove 211 so as to realize that early tear support body 22 open connects to form template 10 with corresponding support body 21 of shoring Support system 20.Early tear support body 22 open and shore support body 21 and use socket connection, form support system of the branch located at the bottom of template 10 20, backwater effect is served to template 10, casting concrete is forming concrete structure, coagulation to be poured on template 10 Support body 22 will early be torn by when native intensity reaches 50% open to remove to carry out being used in turn for component, protected in the bottom of concrete structure Stay and shore the continuation jacking of support body 21, untill the intensity of concrete structure reaches 100%.Because early support body of tearing open is connected using grafting The mode for connecing is inserted into the end for shoring support body, and when early tearing support body 22 open and being attached and removed from, easy construction only will need to early tear frame open The end of body is inserted into the end of shoring support body or is extracted from the end for shoring support body, so as to improve the turnover of component Service efficiency, can shorten construction period.
With reference to shown in Fig. 3 to Fig. 5, shoring support body 21 includes being located at the first support 212 of bottom, connection first support 212 And adjustable for height first regulation jacking 213, the main joist 214 that is placed on the first regulation jacking 213 and it is erected on main dragon Secondary joist 215 on bone 214, lays template 10 on secondary joist 215, first support 212 is to be placed located at template 10 Position, the bottom of first support 212 is erected on ground or floor, and first support 212 is that frame structure includes four vertical rods 2121 and multiple cross bars 2122, vertical rod 2121 is located at four square corners, cross bar 2122 support be connected to two it is adjacent In vertical rod 2121, the top of vertical rod 2121 is connected with the first regulation jacking 213, and the first regulation jacking 213 is height regulation Component, the bearing height of main joist 214 and secondary joist 215 is adjusted by adjusting height, and requirement is installed with meet template 10, And when this shores support body 21 or form removal 10 in dismounting, height can be adjusted by the first regulation jacking 213, and then cause Gap is left between main joist 214, secondary joist 215 and template 10 positioned at top and the concrete structure for having poured, so that Component can smoothly be removed.Main joist 214 and the transverse and longitudinal of secondary joist 215 are staggered, and main joist 214 is placed in two first regulations On jacking 213, the U-shaped support in bottom of the first regulation jacking 213, the U-shaped support support lives the bottom of main joist 214, with support column Main joist 214, the main joist 214 is spaced parallel setting, and the secondary joist 215 on main joist 214 is vertical with main joist 214 to be connected Connect, the secondary joist 215 also interval setting.Main joist 214 and secondary joist 215 are hollow-core construction so as to be formed with inserting groove in end 211.Used as a better embodiment of the invention, main joist 214 and secondary joist 215 use rectangular steel pipe, the He of first support 212 First regulation jacking 213 is also adopted by steel construction piece, so that what is formed shores support body 21 for Strength calculation body, with branch higher Support intensity, it can be ensured that the supporting & stablizing of large span template is firm.
Early tearing support body 22 open includes being located at the second support of bottom, connection second support and adjustable for height second regulation top The master stupefied 224 hold in the palm, being placed on the second regulation jacking and be erected on main stupefied 224 secondary stupefied 225, secondary stupefied 225 upper berth If template 10, the second support and the second regulation jacking that the morning tears support body 22 open are adjusted with the first support shored in support body and first The structure of jacking is identical, reference can be made to the description of first support and the first regulation jacking, will not be repeated here.Main stupefied 224 are placed in the On two regulation jackings, master stupefied 224 is staggered with time stupefied 225 transverse and longitudinal and end is formed with connection-peg 221, is torn open on support body 22 early Not all of master it is stupefied and it is secondary it is stupefied be provided with connection-peg, only set needing and shore the stupefied and secondary stupefied end of master that support body is connected Put connection-peg 221.When will early tear support body 22 open and shore support body 22 and be connected, with reference to shown in Fig. 6, master stupefied 224 end is inserted Joint 221 is inserted into the inserting groove 211 of the end of corresponding main joist 214, and leads stupefied 224 top and the top of main joist 214 Hold level with both hands neat;The connection-peg 221 of secondary stupefied 225 end is inserted into the inserting groove 211 of the end of corresponding secondary joist 215, and secondary stupefied 225 Top it is concordant with the top of secondary joist 215.The size for leading stupefied 224 is identical with the size of main joist 214, leads inserting for stupefied 224 end The size of joint 221 is smaller, can be inserted into the inserting groove of the end of main joist 214.Secondary stupefied 225 size and secondary joist 215 size is identical, and the size of the connection-peg 221 of secondary stupefied 225 end is smaller, inserts it into inserting for the end of secondary joist 215 In access slot.Flitch is used as a better embodiment of the invention, main stupefied 224 and secondary stupefied 225, the end of flitch is cut into The less connection-peg of size, to realize being inserted into corresponding main joist or secondary joist using the connection-peg.
Before setting up, the support strength according to needed for template and concrete calculates to set up shores frame to support system of the invention Setting up a little for body, a little set up an independent lattice and shore support body setting up, the main dragon set using the transverse and longitudinal shored at the top of support body Bone and secondary joist carry support shuttering;Insert wooden master in longitudinal and transverse direction rectangular steel pipe (main joist and secondary joist) two ends It is stupefied and secondary stupefied, tear support body open for the morning wooden with periphery and be connected, re-lay template after being fixedly connected.
It is stupefied by extracting the wooden master in insertion rectangular steel pipe when support body needs to remove, it is allowed to tear frame open with the morning on periphery Body is separated, and is individually retained lattice and is shored support body, plays continuation backwater effect, meets span more than 8m, reaches Concrete Design The 50% of the intensity or 75% i.e. purpose of collapsible die, so as to accelerate material turnover, other operations intert construction in time, shorten construction Cycle.
Present invention also offers a kind of construction method of large span form bracing system, below to the large span shuttering supporting The construction method of system is illustrated.
A kind of construction method of large span form bracing system of the invention comprises the following steps:
As depicted in figs. 1 and 2, there is provided shore support body 21, branch that support body 21 is spaced will be shored located at the setting position of template 10 Put, and shore the periphery at the top of support body 21 and be provided with inserting groove 211;
There is provided it is early tears support body 22 open, will early tear support body 22 open located at shoring between support body 21, and the early end shape for tearing support body 22 open Into there is the connection-peg 221 that adapts to inserting groove 211, corresponding inserting groove is inserted into by the connection-peg 221 that will early tear support body 22 open So as to realize that early tear support body 22 open connects with corresponding support body 21 of shoring in 211;In construction, support body 22 will be early torn open located at two tops Between support body 21;
By shoring support body 21 and early tearing the support shuttering 10 of support body 22 open, treat that the concrete poured on template 10 reaches design Intensity 50% when, will early tear support body 22 open and remove and retain and shore the support shuttering 10 of support body 21 until the concrete for being poured reaches Untill design strength.
Early tear support body 22 open and shore support body 21 and use socket connection, form support system 20 of the branch located at the bottom of template 10, Backwater effect is served to template 10, casting concrete is forming concrete structure, concrete to be poured on template 10 Support body 22 will early be torn by when intensity reaches 50% open to remove to carry out being used in turn for component, retained in the bottom of concrete structure Shore support body 21 and continue jacking, untill the intensity of concrete structure reaches 100%.Because early tearing support body open uses socket connection Mode be inserted into the end for shoring support body, when early tearing support body 22 open and being attached and removed from, easy construction only will need to early tear support body open End be inserted into the end of shoring support body or extracted from the end for shoring support body, so as to the turnover that improve component makes With efficiency, construction period can be shortened.
As a better embodiment of the invention, with reference to shown in Fig. 3 to Fig. 5, there is provided shoring support body includes:
First support 212 and adjustable for height first regulation jacking 213 are provided, the first regulation jacking 213 is connected to the The top of one support 212;
Main joist 214 and secondary joist 215 are provided, main joist 214 are placed on the first regulation jacking 213, by secondary joist 215 are erected on main joist 214, and secondary joist 214 and the transverse and longitudinal of main joist 215 are staggered, secondary joist 214 and main joist 215 is that hollow-core construction is formed with inserting groove 211 so as to end., located at the position to be placed of template 10, this for first support 212 The bottom of one support 212 is erected on ground or floor, and first support 212 is that frame structure includes four vertical rods 2121 and multiple Cross bar 2122, vertical rod 2121 is located at four square corners, and the support of cross bar 2122 is connected in two adjacent vertical rods 2121, The top of vertical rod 2121 is connected with the first regulation jacking 213, and the first regulation jacking 213 is the component of height regulation, by adjusting Section highly adjusts the bearing height of main joist 214 and secondary joist 215, to meet the requirement that installs of template 10, and should removing When shoring support body 21 or form removal 10, height can be adjusted by the first regulation jacking 213, and then cause positioned at top Gap is left between main joist 214, secondary joist 215 and template 10 and the concrete structure for having poured such that it is able to by component Smoothly remove.Main joist 214 and the transverse and longitudinal of secondary joist 215 are staggered, and main joist 214 is placed on two first regulation jackings 213, The U-shaped support in bottom of the first regulation jacking 213, the U-shaped support support lives the bottom of main joist 214, with support column main joist 214, The main joist 214 is spaced parallel setting, and the secondary joist 215 on main joist 214 is vertical with main joist 214 to be connected, this dragon The also interval setting of bone 215.Main joist 214 and secondary joist 215 are hollow-core construction so as to be formed with inserting groove 211 in end.As A better embodiment of the invention, main joist 214 and secondary joist 215 use rectangular steel pipe, and first support 212 and first is adjusted Jacking 213 is also adopted by steel construction piece, so that what is formed shores support body 21 for Strength calculation body, with support strength higher, It is able to ensure that the supporting & stablizing of large span template is firm.
As a better embodiment of the invention, there is provided early to tear support body open, including:
Second support and adjustable for height second regulation jacking are provided, the second regulation jacking is connected to the top of second support Portion;
Main stupefied 224 and secondary stupefied 225 are provided, main stupefied 224 are placed on the second regulation jacking, master is erected on by secondary stupefied 225 On stupefied 224, and secondary stupefied 225 are staggered with stupefied 224 transverse and longitudinal of master, and secondary stupefied 225 and main stupefied 224 end is formed with connection-peg 221.Main stupefied 224 are placed on the second regulation jacking, and master stupefied 224 is staggered with time stupefied 225 transverse and longitudinal and end is formed with connection-peg 221, early tear open not all of master on support body 22 it is stupefied and it is secondary it is stupefied be provided with connection-peg, only needs and shore what support body was connected The stupefied and secondary stupefied end of master sets connection-peg 221.When will early tear support body 22 open and shore support body 22 and be connected, with reference to Fig. 6 institutes Show, the connection-peg 221 of stupefied 224 end of master is inserted into the inserting groove 211 of the end of corresponding main joist 214, and main stupefied 224 Top is concordant with the top of main joist 214;The connection-peg 221 of secondary stupefied 225 end is inserted into the end of corresponding secondary joist 215 In inserting groove 211, and secondary stupefied 225 top is concordant with the top of secondary joist 215.Main stupefied 224 size and the size of main joist 214 Identical, the size of the connection-peg 221 of stupefied 224 end of master is smaller, can be inserted into the inserting groove of the end of main joist 214. Secondary stupefied 225 size is identical with the size of secondary joist 215, and the size of the connection-peg 221 of secondary stupefied 225 end is smaller, can insert Enter in the inserting groove of the end of secondary joist 215.Used as a better embodiment of the invention, main stupefied 224 and secondary stupefied 225 using wood Side, the end of flitch is cut into the less connection-peg of size, with realize using the connection-peg be inserted into corresponding main joist or In secondary joist.
The present invention is described in detail above in association with accompanying drawing embodiment, those skilled in the art can be according to upper State it is bright the present invention is made many variations example.Thus, some of embodiment details should not constitute limitation of the invention, this The scope that invention will be defined using appended claims is used as protection scope of the present invention.

Claims (10)

1. a kind of large span form bracing system, it is characterised in that including:
Branch shores support body located at template bottom, described to shore support body interval setting and the periphery at top is provided with inserting groove;And
Morning of the branch located at the template bottom tears support body open, and the morning tears support body open and is placed in and shores between support body, and the morning tears support body open End is formed with the connection-peg for adapting to the inserting groove, is inserted into the inserting groove so as to realize by the connection-peg State early support body of tearing open and shore support body connection to form form bracing system with corresponding.
2. large span form bracing system as claimed in claim 1, it is characterised in that the support body of shoring includes being located at bottom First support, connect the first support and adjustable for height first regulation jacking, be placed on the first regulation jacking Main joist and the secondary joist that is erected on the main joist, the main joist and the secondary joist transverse and longitudinal be staggered, And for hollow-core construction so as to end is formed with the inserting groove.
3. large span form bracing system as claimed in claim 2, it is characterised in that the first support is frame structure, The cross bar in two adjacent vertical rods is connected to including four vertical rods and support, described first is connected with the top of the vertical rod and is adjusted Section jacking.
4. large span form bracing system as claimed in claim 2, it is characterised in that the morning tears support body open to be included being located at bottom Second support, connect the second support and adjustable for height second regulation jacking, be placed on the second regulation jacking Master it is stupefied and be erected on the master it is stupefied on it is secondary stupefied, the stupefied and described time stupefied transverse and longitudinal of the master is staggered and end is formed There is the connection-peg.
5. large span form bracing system as claimed in claim 4, it is characterised in that the connection-peg insertion of the stupefied end of master Into the inserting groove of corresponding main joist end, and the stupefied top of the master is concordant with the top of the main joist;Described time stupefied The connection-peg of end is inserted into the inserting groove of corresponding secondary joist end, and time stupefied top and the secondary joist top Hold level with both hands neat.
6. a kind of construction method of large span form bracing system, it is characterised in that comprise the following steps:
Support body is shored in offer, by it is described shore support body interval branch located at template set location, and it is described shore support body top Periphery be provided with inserting groove;
There is provided it is early tears support body open, tear the morning open support body branch and shored between support body located at described, and the morning tears the end shape of support body open Into there is the connection-peg that adapts to inserting groove, it is inserted into corresponding inserting groove so as to realize morning by by the connection-peg for early tearing support body open Support body is torn open to be connected with corresponding support body of shoring;
The template is supported by shoring support body and early support body of tearing open, treats that the concrete poured on template reaches the 50% of intensity When, the morning is torn open support body and removes and retain and is shored support body and is supported the template until the concrete for being poured reaches intensity is Only.
7. the construction method of large span form bracing system as claimed in claim 6, it is characterised in that support body bag is shored in offer Include:
First support and adjustable for height first regulation jacking are provided, the described first regulation jacking is connected to the first support Top;
Main joist and secondary joist are provided, the main joist is placed on the first regulation jacking, the secondary joist is set up On the main joist, and the secondary joist and the main joist transverse and longitudinal are staggered, the secondary joist and the main joist For hollow-core construction so as to end is formed with the inserting groove.
8. the construction method of large span form bracing system as claimed in claim 7, it is characterised in that the first support is Frame structure, including four vertical rods and support are connected to the cross bar in two adjacent vertical rods, and the described first regulation jacking is connected It is connected to the top of the vertical rod.
9. the construction method of large span form bracing system as claimed in claim 7, it is characterised in that provide it is early tears support body open, Including:
Second support and adjustable for height second regulation jacking are provided, the described second regulation jacking is connected to the second support Top;
There is provided master stupefied and secondary stupefied, be placed in the master is stupefied described second and adjust on jacking, secondary stupefied the master is erected on by described On stupefied, and the described stupefied and described stupefied transverse and longitudinal of master is staggered, and described time the stupefied end of stupefied and described master is formed with described inserting Joint.
10. the construction method of large span form bracing system as claimed in claim 9, it is characterised in that by will early tear frame open The connection-peg of body is inserted into corresponding inserting groove so as to realize that early support body of tearing open is connected with corresponding support body of shoring, including:
The connection-peg of the stupefied end of master for tearing the morning open support body is inserted into the inserting groove of corresponding main joist end, and the master Stupefied top is concordant with the top of the main joist;
The connection-peg that the morning is torn open the secondary stupefied end of support body is inserted into the inserting groove of corresponding secondary joist end, and described time Stupefied top is concordant with the top of the secondary joist.
CN201710068298.3A 2017-02-08 2017-02-08 Large span form bracing system and its construction method Pending CN106812312A (en)

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CN201710068298.3A CN106812312A (en) 2017-02-08 2017-02-08 Large span form bracing system and its construction method

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108979134A (en) * 2018-06-26 2018-12-11 中民筑友有限公司 A kind of construction method of form bracing system
CN109610819A (en) * 2018-12-04 2019-04-12 中国十七冶集团有限公司 One kind removable return back to top support system and construction method
CN110158950A (en) * 2019-06-19 2019-08-23 俊川建筑科技有限公司 A kind of support device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108979134A (en) * 2018-06-26 2018-12-11 中民筑友有限公司 A kind of construction method of form bracing system
CN108979134B (en) * 2018-06-26 2020-09-04 中民筑友有限公司 Construction method of floor slab supporting system
CN109610819A (en) * 2018-12-04 2019-04-12 中国十七冶集团有限公司 One kind removable return back to top support system and construction method
CN110158950A (en) * 2019-06-19 2019-08-23 俊川建筑科技有限公司 A kind of support device

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