CN107460985A - A kind of straw concrete exempts from the close rib laminated floor slab construction technology of form removal - Google Patents

A kind of straw concrete exempts from the close rib laminated floor slab construction technology of form removal Download PDF

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Publication number
CN107460985A
CN107460985A CN201710788686.9A CN201710788686A CN107460985A CN 107460985 A CN107460985 A CN 107460985A CN 201710788686 A CN201710788686 A CN 201710788686A CN 107460985 A CN107460985 A CN 107460985A
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CN
China
Prior art keywords
concrete
bed die
girt strip
straw
vibrator
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Pending
Application number
CN201710788686.9A
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Chinese (zh)
Inventor
吕春
刘杰
郭国梁
张道明
王洪志
杨楠
张学元
王蕊
王丽
张宇
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Qiqihar University
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Qiqihar University
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Filing date
Publication date
Application filed by Qiqihar University filed Critical Qiqihar University
Priority to CN201710788686.9A priority Critical patent/CN107460985A/en
Publication of CN107460985A publication Critical patent/CN107460985A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E04B5/38Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element

Abstract

The present invention proposes that a kind of straw concrete exempts from the close rib laminated floor slab construction technology of form removal, combine by prefabricated stalk lightweight aggregate concrete plate and girt strip bed die and to form floor bottom mould, bearing after casting concrete as straw concrete non-dismantling formwork, make straw concrete non-dismantling formwork solid and reliable;It is connected by vertical supporting bar spring pad with girt strip bed die, vibrator is fixed on vertical supporting bar, by controlling vibrator to open and close, the vibrations of vibrator pass to girt strip bed die by vertical supporting bar, girt strip bed die passes to straw concrete non-dismantling formwork, overall floor is realized uniformly effectively to vibrate, vibrate more closely knit, personnel trample to reinforcing bar on plate when avoiding impact load to destruction and construction caused by straw concrete non-dismantling formwork, job site is safer, improves the pouring quality of concrete.

Description

A kind of straw concrete exempts from the close rib laminated floor slab construction technology of form removal
Technical field
The invention belongs to architectural engineering construction technique field, specifically a kind of straw concrete exempts from the close rib laminated floor slab of form removal Construction technology.
Background technology
Current domestic rib floor has a certain degree of application, is characterized in that bottom template need to be installed, is put using filling block Cavity is formed in concrete structure to reduce deadweight.The research application starting of external rib floor is more early, using light material The rib floor that filling block is formed, has been widely used in American-European countries.Britain is from the 1970s, in large space With in-situ ribbed slab is used in the public building compared with large span.Filling block is built including air entrained concrete used by such floor The materials such as block, sintered clay hollow brick, polystyrene foam block.This rib floor is with prefabricated ribbed component and filling block Bed die is formed, rib floor is formed after the casting concrete of top.Common in-situ ribbed slab template amount is big, formwork and form removal technique The shortcomings of complexity, template cost height, long construction period, insulation and defening effect difference.On the other hand, rural areas in our country has largely Straw refuse, generally produce a large amount of smog in outdoor field burning, burning and cause environmental pollution, be the weight that haze is formed Want factor.The regenerated resources that stalk raw material category can be recycled, its cost of manufacture is cheap, freight is low;Wall construction letter It is single, save building cost.
The content of the invention
A kind of straw concrete exempts from the close rib laminated floor slab construction technology of form removal, is based primarily upon a large amount of straw of current agriculture waste Stalk resource, using the stalk lightweight aggregate concrete prefabricated board such as corn as bed die, overlapping layers assembling reinforcement and pour straw light bone Expect concrete or normal concrete, form in-situ ribbed slab.After stalk lightweight aggregate concrete prefabricated board supporting removal, construction Stage turns into a part for in-situ ribbed slab as the stalk lightweight aggregate concrete prefabricated board of bed die, and maize straw lightweight aggregate mixes Coagulate native prefabricated board and be permanently embedded in flat board and in length and breadth between rib, play a part of insulation, heat-insulated, sound insulation.The present invention solves Technical scheme used by its technical problem, it is divided into following steps progress:
1. install girt strip bed die.Before bed die installs, levelling unwrapping wire is needed;Bed die uses symmetrical L-shaped light gauge cold-formed steel shape system Make, design requirement arch camber is pressed at middle part;Bed die bottom is fixed using vertical supporting bar, and spring is provided with the bayonet socket of vertical supporting bar top Pad, spring pad top use bolt link with bed die, and vertical supporting bar bottom is connected with base or bar of sweeping the floor;In girt strip bed die With stalk lightweight aggregate concrete prefabricated board lap-joint, the thick foam glue strips of 3~5mm are posted in advance, to prevent being leaked during concreting Slurry.
2. straw concrete non-dismantling formwork is installed.After girt strip bed die installs completion and reinforced, straw are installed using crane successively For stalk lightweight aggregate concrete prefabricated board as straw concrete non-dismantling formwork, non-dismantling formwork both ends should be noted that the foam with posting in advance The closely knit bonding of adhesive tape;Non-dismantling formwork links it is ensured that closely knit between each other.
3. girt strip steel reinforcement cage is installed.Finished product girt strip steel reinforcement cage can use crane lifting in place, rear and non-dismantling formwork steel in place The upper and lower layer reserved outlet colligation of muscle links, is fixed.
4. colligation superimposed sheet reinforcing bar.The double two-way steel of colligation superimposed sheet on the platform that non-dismantling formwork and girt strip bed die are formed Muscle;Hydroelectric line and other reserving hole channels are installed simultaneously.
5. fix vibrator.By design requirement, vibrator is fixed on vertical supporting bar, according to the slump of pump concrete Degree, typically under every girt strip bed die, select to fix a vibrator on the vertical supporting bar of centre and can meet to require;Together When vibrator wire is smoothed out with the fingers along in wire casing along bed die.Vibrator switch can use button manual, can also use wireless remote Control is controlled.
6. casting concrete.Poured from big fluidised form pump concrete, it should be noted that equal control material distributing machine, adopt simultaneously The vibrator for opening and closing relevant position successively with button or remote control mode vibrates, and makes concrete uniformly closely knit;
7. concrete curing.After the completion of concreting, conserved.After the completion of maintenance, girt strip bed die can be removed, supplied Next construction section is continuing with.
The step 2 straw concrete non-dismantling formwork, plate termination both sides are equipped with non-dismantling formwork preformed groove, and the preformed groove is empty Gap and girt strip bed die composition cast-in-place concrete girt strip bottom template, the branch after casting concrete as straw concrete non-dismantling formwork Seat.
The invention has the advantages that combine to form floor bottom by prefabricated stalk lightweight aggregate concrete plate and girt strip bed die Mould, the bearing after casting concrete as straw concrete non-dismantling formwork, makes straw concrete non-dismantling formwork solid and reliable;Girt strip Bed die uses the closely knit bonding of foam glue strip, spillage when avoiding vibrated concrete;Pass through vertical supporting bar spring pad and girt strip bed die It is connected, fixes vibrator on vertical supporting bar, by controlling vibrator to open and close, the vibrations of vibrator are by vertically propping up Strut passes to girt strip bed die, and girt strip bed die passes to straw concrete non-dismantling formwork, realizes overall floor and uniformly effectively shakes It is dynamic, vibrate more closely knit;The form of construction work manually vibrated on floor top without worker, impact load is avoided to stalk coagulation Personnel trample to reinforcing bar on plate during destruction and construction caused by native non-dismantling formwork, and job site is safer;Improve mixed Coagulate the pouring quality of soil.
Upper reinforcement installation after-pouring concrete forms close rib laminated floor slab, is in tensile region equivalent to major part is eliminated Normal concrete, institute's remaining part bears vertical load point with tee girder mechanism, and stress is more reasonable, significantly alleviates floor deadweight, section The materials such as template, reinforcing bar and concrete are saved.Through measuring and calculating, for the cast-in-place concrete flat board generally used, straw light Aggregate concrete exempts from the close rib laminated floor slab of form removal and conducts oneself with dignity reduction amplitude up to more than 30%.For concrete frame structure building, Floor deadweight accounts for building from focusing on 30%~40% or so, so floor weight reduction, can make to support and transmitting floor lotus Beam, post and the basic section of load reduce, and deadweight reduces, and then reduces the deadweight of whole solitary building, realizes the light of building Type.Building deadweight reduction can make structure vertical load reduce, then under vertical uniform load q each structural elements of building lotus Effect is carried to reduce.Stalk light aggregate concrete exempt from the close rib laminated floor slab of form removal not only conduct oneself with dignity it is small, and with save mould material, be not required to Form removal, save the amount of labour, short construction period, there is insulation and sound insulation function.Its material price is cheap simultaneously, work of constructing Skill is simple.Easily construction technology is torn open with concrete slab combination peace using rib template, model sheetinstallat is removed convenient.
Brief description of the drawings
Fig. 1 is that a kind of straw concrete exempts from the close rib laminated floor slab construction technology profile of form removal;Fig. 2 is a kind of stalk coagulation Soil exempts from the close rib laminated floor slab construction technology constitutional diagram of form removal
1. girt strip concrete, 2. girt strip bed dies, 3. vertical supporting bars, 4. girt strip longitudinal stress muscle, 5. rib beam hoop reinforcements, 6. is folded Bars In Poured Concrete Slab lower floor reinforcing bar is closed, 7. overlapping Bars In Poured Concrete Slab top barses, 8. non-dismantling formwork lower floor reinforcing bar reserved outlets, 9., which overlap Bars In Poured Concrete Slabs, mixes Solidifying soil, 10. non-dismantling formworks, 11. non-dismantling formwork preformed grooves, 12. sealing foam glue strips, 13. small-sized vibrators.
Embodiment
Embodiment 1
First, girt strip bed die 2 side wall punching, is carried out using bolt in advance using a pair of symmetrical L-type light-gauge steel sections Link firm, and in girt strip bed die 2 and stalk lightweight aggregate concrete plate lap-joint, post 3~5mm on girt strip bed die 2 in advance Thick sealing foam glue strip 12, to prevent spillage during casting concrete.When installing girt strip bed die 2, bottom vertical supporting bar 3 passes through bullet Spring pad links with girt strip bed die 2 should be close firm;After girt strip bed die installs completion and reinforced, laying is installed successively using crane and exempted from Form removal 10, the inner side of non-dismantling formwork preformed groove 11 at the both ends of non-dismantling formwork 10 should be closely knit with the sealing foam glue strip 12 that posts in advance Bond, then install girt strip steel reinforcement cage, girt strip steel reinforcement cage is made up of girt strip longitudinal stress muscle 4 with rib beam hoop reinforcement 5;Girt strip steel reinforcement cage It is in place and after the completion of linking with the grade joint of non-dismantling formwork lower floor reinforcing bar reserved outlet 8, colligation overlapping Bars In Poured Concrete Slab reinforcing bar, that is, overlap cast-in-place Plate lower floor reinforcing bar 6 and overlapping Bars In Poured Concrete Slab top bars 7.
Embodiment 2
While reinforcing bar colligation, small-sized vibrator 13 should be fixed on platform lower vertical supporting bar 3;Treat that reinforced bar engineering is complete Cheng Hou, while pour waffle beam concrete 1 and overlap cast-in-place board concrete 9, it is vertical bottom should to be opened successively during concreting Small-sized vibrator 13 on support bar 3 is vibrated so that waffle beam concrete 1 is smooth, close with overlapping cast-in-place board concrete 9 It is real.
Embodiment 3
Small-sized vibrator 13 is opened with the time carry out vibrating for pump concrete in a certain order.Girt strip bed die 2 and exempt to tear open After the completion of template 10 installs, using material distributing machine from remote and near, the direction that is determined by arrangement and method for construction successively, uniformly pours big fluidised form and mixed Solidifying soil, concrete control speed of perfusion and quantity by special messenger.While concreting, by manual pushbutton or remote control Small-sized vibrator 13 fixed on concrete lower part vertical supporting bar 3 is opened, the opening time is big according to the small-sized power of vibrator 13 The specific field condition determination such as small, concrete the slump, bar spacing, about 1~3 minute.After concrete it is smooth it is closely knit after, The small-sized vibrator 13 is closed, successively casting concrete backward, open small-sized vibrator 13., should when opening small-sized vibrator 13 Phenomena such as positions such as bottom vertical supporting bar 3, girt strip bed die 2, non-dismantling formwork 10 are with the presence or absence of deformation, displacement is paid attention to, if deposited Small-sized vibrator 13 should be being closed in time, after carrying out effective consolidation process, can be reopened small-sized vibrator 13, be applied Work.

Claims (9)

1. a kind of straw concrete exempts from the close rib laminated floor slab construction technology of form removal, prefabricated using the stalk lightweight aggregate concrete such as corn Plate overlapping layers assembling reinforcement and pours stalk lightweight aggregate concrete or normal concrete as bed die, forms cast-in-place Mi Leilou Plate, it is mainly characterized by the work progress and is divided into install girt strip bed die, installation straw concrete non-dismantling formwork, installation girt strip steel Muscle cage, colligation superimposed sheet reinforcing bar, vibrator is fixed, pours big fluidised form pump concrete, is walked using vibrator vibrated concrete etc. Suddenly.
2. a kind of straw concrete exempts from the close rib laminated floor slab construction technology of form removal according to claim 1, it is characterised in that tool Body construction step is as follows:
A levelling unwrapping wire, installs girt strip bed die;B installs straw concrete non-dismantling formwork;C installs girt strip steel reinforcement cage;D colligations overlap Slab muscle;E fixes small-sized vibrator;F pours big fluidised form pump concrete;G opens small-sized vibrator vibrated concrete;H is conserved Concrete, after the completion of concreting, conserved, after the completion of maintenance, girt strip bed die can be removed, continued for next construction section Use.
3. a kind of straw concrete exempts from the close rib laminated floor slab construction technology of form removal according to claim 2, it is characterised in that institute State bed die to make using symmetrical L-shaped light gauge cold-formed steel shape, design requirement arch camber is pressed at middle part, and bed die bottom uses vertical supporting bar It is fixed, spring pad is provided with the bayonet socket of vertical supporting bar top, spring pad top uses bolt link, vertical supporting bar bottom with bed die Portion is connected with base or bar of sweeping the floor, in girt strip bed die and stalk lightweight aggregate concrete prefabricated board lap-joint, post 3 in advance~ Foam glue strip thick 5mm, to prevent spillage during concreting.
4. a kind of straw concrete exempts from the close rib laminated floor slab construction technology of form removal according to claim 2, it is characterised in that institute State girt strip bed die and install and complete and after reinforcing, stalk lightweight aggregate concrete prefabricated board is installed successively using crane as stalk coagulation Native non-dismantling formwork, non-dismantling formwork both ends should be noted that the closely knit bonding of foam glue strip with posting in advance, and non-dismantling formwork connects between each other Knot is it is ensured that closely knit.
5. a kind of straw concrete exempts from the close rib laminated floor slab construction technology of form removal according to claim 2, it is characterised in that institute Stating finished product girt strip steel reinforcement cage can use crane lifting in place, layer reserved outlet colligation link upper and lower with non-dismantling formwork reinforcing bar after in place, It is fixed.
6. a kind of straw concrete exempts from the close rib laminated floor slab construction technology of form removal according to claim 2, it is characterised in that institute State the double two-way concrete slab of colligation superimposed sheet on the platform formed in non-dismantling formwork and girt strip bed die, at the same install hydroelectric line and its His reserving hole channel.
7. a kind of straw concrete exempts from the close rib laminated floor slab construction technology of form removal according to claim 2, it is characterised in that presses Design requirement, vibrator is fixed on vertical supporting bar, according to the slump of pump concrete, typically in every girt strip bed die Under, select to fix a vibrator on the vertical supporting bar of centre and can meet to require, while by vibrator wire along bed die Smooth out with the fingers along in wire casing, vibrator switch can be manual, can also wireless remote control.
8. a kind of straw concrete exempts from the close rib laminated floor slab construction technology of form removal according to claim 2, it is characterised in that institute When stating casting concrete, equal control material distributing machine, while relevant position is opened and closed using button or remote control mode successively Vibrator vibrate, concrete is uniformly closely knit.
9. a kind of straw concrete exempts from the close rib laminated floor slab construction technology of form removal according to claim 2, it is characterised in that institute Straw concrete non-dismantling formwork is stated, plate termination both sides are equipped with non-dismantling formwork preformed groove, the preformed groove space and girt strip bed die group Into cast-in-place concrete girt strip bottom template, the bearing after casting concrete as straw concrete non-dismantling formwork.
CN201710788686.9A 2017-08-23 2017-08-23 A kind of straw concrete exempts from the close rib laminated floor slab construction technology of form removal Pending CN107460985A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109736573A (en) * 2018-12-14 2019-05-10 东南大学 A kind of built-in tamping equipment based on sleeve post grouting construction
CN110259125A (en) * 2019-06-12 2019-09-20 广东景园设计工程有限公司 A kind of construction technology of three-span continuous beam
CN110700468A (en) * 2019-10-24 2020-01-17 杭州昂创科技有限公司 Construction method of prefabricated assembled box type disassembly-free multi-ribbed composite floor slab
CN111719754A (en) * 2020-06-06 2020-09-29 华北水利水电大学 Concrete precast floor splicing and connecting structure with reinforcing piece
CN114856066A (en) * 2022-06-17 2022-08-05 中南建筑设计院股份有限公司 Concrete beam plate structure free of support and free of form removal

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DE968628C (en) * 1954-02-10 1958-03-13 Heinrich Hebgen Lost formwork for reinforced concrete ribbed ceilings
CN2841800Y (en) * 2005-08-31 2006-11-29 刘光荣 Lightweight is exempted from the close rib template of detachment bed die
CN102251673A (en) * 2010-06-13 2011-11-23 吴方伯 Construction method for reinforced concrete hollow floor
CN202439088U (en) * 2012-02-28 2012-09-19 中铁一局集团有限公司 Vibrating platform for producing double-block type sleeper
CN106609571A (en) * 2016-09-30 2017-05-03 长沙远大住宅工业集团股份有限公司 Overlaid assembly-type concrete dense-rib floor structure system and construction method for same
CN106703272A (en) * 2017-02-03 2017-05-24 湖南诚友绿色建材科技有限公司 Unidirectional dense-rib sandwich-type board of prestressed light-aggregate-concrete for making overlapped dense-rib floor slabs
CN206279680U (en) * 2016-11-03 2017-06-27 陕西建研结构工程股份有限公司 A kind of Lightweight core mould concrete folding rib floor based on non-dismantling formwork

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE968628C (en) * 1954-02-10 1958-03-13 Heinrich Hebgen Lost formwork for reinforced concrete ribbed ceilings
CN2841800Y (en) * 2005-08-31 2006-11-29 刘光荣 Lightweight is exempted from the close rib template of detachment bed die
CN102251673A (en) * 2010-06-13 2011-11-23 吴方伯 Construction method for reinforced concrete hollow floor
CN202439088U (en) * 2012-02-28 2012-09-19 中铁一局集团有限公司 Vibrating platform for producing double-block type sleeper
CN106609571A (en) * 2016-09-30 2017-05-03 长沙远大住宅工业集团股份有限公司 Overlaid assembly-type concrete dense-rib floor structure system and construction method for same
CN206279680U (en) * 2016-11-03 2017-06-27 陕西建研结构工程股份有限公司 A kind of Lightweight core mould concrete folding rib floor based on non-dismantling formwork
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109736573A (en) * 2018-12-14 2019-05-10 东南大学 A kind of built-in tamping equipment based on sleeve post grouting construction
CN110259125A (en) * 2019-06-12 2019-09-20 广东景园设计工程有限公司 A kind of construction technology of three-span continuous beam
CN110700468A (en) * 2019-10-24 2020-01-17 杭州昂创科技有限公司 Construction method of prefabricated assembled box type disassembly-free multi-ribbed composite floor slab
CN111719754A (en) * 2020-06-06 2020-09-29 华北水利水电大学 Concrete precast floor splicing and connecting structure with reinforcing piece
CN111719754B (en) * 2020-06-06 2021-06-11 华北水利水电大学 Concrete precast floor splicing and connecting structure with reinforcing piece
CN114856066A (en) * 2022-06-17 2022-08-05 中南建筑设计院股份有限公司 Concrete beam plate structure free of support and free of form removal

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