CN105040970A - Comprehensive gymnasium high formwork support system and construction method of comprehensive gymnasium high formwork support system - Google Patents
Comprehensive gymnasium high formwork support system and construction method of comprehensive gymnasium high formwork support system Download PDFInfo
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Abstract
The invention relates to a comprehensive gymnasium high formwork support system, which comprises a beam formwork, a slab formwork and a support frame body, wherein the support frame body is a fastener type steel pipe formwork supporter and fixedly supports the beam formwork and the slab formwork. A construction method of the high formwork support system comprises the following steps of: (1) high formwork support special scheme compilation; (2) support system model selection: a support system is a fastener type steel pipe formwork supporter, and a full frame body structure form is used; (3) construction preparation; (4) measurement and paying off; (5) field frame body erection: the gap arrangement of vertical rods is uniform and reasonable, and the cross bridging is set according requirements; (6) beam slab formwork installation; (7) beam slab formwork steel bar construction; (8) beam slab concrete casting and concrete maintenance; and (9) formwork removal: the beam formwork, the slab formwork and the support frame body are removed after the cast concrete reaches the set intensity. In the construction process of the comprehensive gymnasium high formwork support system, the construction is guided through a whole set of complete scheme; the construction quality of the formwork support system is ensured; the erection engineering schedule of a gymnasium is smoothly completed; and the preset building target is achieved.
Description
Technical field
The present invention relates to building operations formwork erecting structure system, more particularly, is comprehensive gymnasium high-supported formwork system and construction method thereof.
Background technology
In the contour large hall superstructure cast-in-place concrete structure construction of the communal space of construction work, public building, need to apply high form-tie assembly.In comprehensive gymnasium high form-tie assembly construction of the present invention, face form of structure complexity, especially the construction of curved surface roofing and hetermorphiscal column, support system construction at these positions is the district occurred frequently of construction industry accident, potential safety hazard is more, difficulty of construction is large, construction is complicated, and workmanship and construction period are difficult to be guaranteed, and need the scheme guiding construction that a whole set of is complete.
Summary of the invention
The technical problem to be solved in the present invention is, for high form-tie assembly complex structure of the prior art, sets up the large defect of loaded down with trivial details security control difficulty, the high form-tie assembly providing a kind of structure simple, easy for installation and construction method thereof.
Concrete solution is: comprehensive gymnasium high-supported formwork system, comprises beam forms, template die plate and supporting frame, described beam forms by soffit formwork, side template, secondaryly stupefiedly and main stupefiedly to form, its banding is fixed by split bolt by the secondary stupefied and main stupefied of side template; Time stupefied, two steel pipe master is stupefied forms by veneer, wood for described template die plate, wood is time stupefied be positioned at two steel pipe master stupefied on, main stupefied lower vertical rod inserts spiral support head, fixed support plate template; Support frame as described above body is fastener type steel pipe shuttering supporting, fixed support beam forms and template die plate.
As preferably, described beam forms soffit formwork flitch completely spreads, and with face layer contacts face liner three-ply board, time stupefied as beam cross member lower support with flitch at the bottom of beam, flitch time stupefied flitch is as chock, and chock is positioned in steel tube frame U holder; Side template takes wooden form liner three-ply board, secondary stupefied be 5 flitches, beam side master is stupefied is two steel pipes; Beam bottom board and side form will fixedly secure with bean column node template, and large span beam form will by regulation arch camber.
As preferably, supporting frame based on reinforced concrete floor, lays sheeting caps under this layer; Vertical rod arranges that vertical horizontal spacing and horizon bar spacing are arranged according to the tectonic sieving safety of supporting frame and technical data; Arrange cross bar between the vertical, horizontal of often arranging often row vertical rod to connect, bar of sweeping the floor is apart from ground 200mm; Supporting frame border and middle vertical, horizontal should arrange vertical continous way bridging from the end to top, and the word diagonal brace increased between the adjacent bridging of vertical, horizontal, horizontal cross brace is set up between adjacent vertical bridging, together with horizontal cross brace respectively to be arranged with bottom at the top of vertical bridging, centre is not more than 4.8m interval and arranges together.
The invention also discloses comprehensive gymnasium high-supported formwork system construction method, comprise the steps:
1) high-supported formwork special scheme establishment; 2) support system type selecting: support system is fastener type steel pipe shuttering supporting, adopts full hall formula frame structure form; 3) preparation of construction; 4) surveying setting-out; 5) on-the-spot support body is set up: must ensure the resistance to overturning of support body, and vertical pole ' s span is arranged evenly rationally, arranges bridging on request, carries out 1:1 sample test for curved surface roofing top formwork system in theoretical foundation, rear construct; 6) beam-slab template is installed; 7) beam-slab template reinforcement construction; 8) beam slab concreting and concrete curing; 9) form removable: the concrete of building removes beam forms, template die plate and supporting frame after reaching setting intensity.
As preferably, after the establishment of high-supported formwork special scheme and before surveying setting-out operation, also need through the experts' evaluation of high-supported formwork scheme, high-supported formwork scheme modifying is also finally determined, high-supported formwork scheme is confided a technological secret.
As preferably, before support body is set up at the scene, also will carry out material preparation, on-the-spot material sampling observation, can set up support body after assessment of conformity.
As preferably, in work progress, should take monitoring measure, ensure workmanship, Contents for Monitoring comprises: 1) monitor supporting frame sedimentation, displacement and distortion; 2) layout of the monitoring points: vertical position, monitoring point is arranged in girder and secondary beam interface point place, and level monitoring point is arranged in the vertical rod of limit; 3) use monitoring instrument to monitor, monitoring instrument precision should meet field monitoring requirement, and establishes deformation monitoring alarming value; 4) before fluid concrete, after the whole process of fluid concrete and fluid concrete, support system is observed, in time the survey data of each process is analyzed; 5) monitoring time is spaced apart: before concreting, monitoring once, and record data of monitoring point: monitor as emphasis during concreting, monitors monitoring point, until built by measurement section chief overall process.
As preferably, when the beam-slab template installation procedure of step 6), the formwork carrying out beam forms construction requires: 1. special messenger must be had to turn over master drawing according to drawing requirement is drawn before beam form construction, indicate various beam side plate height, beam absolute altitude, sectional dimension, notifies carpenter's group and performs detailed technology to tell somebody what one's real intentions are in time; 2. have to pass through before all side forms and bed die piece and scrape, ensure that seam is tight; 3. beam bottom board and side form will fixedly secure with bean column node template, and large span beam form will by regulation arch camber; Send in concreting process special messenger from outside observe nurse template, check the support situation of template at any time, forbid below template in casting process stand people; 4. beam forms is installed and first should be installed bed die, after reinforcing bar binding is complete, seal side form again;
The formwork carrying out template die plate requires: 1. stencil plane size must be turned over master drawing according to structural working drawing and template and to be allowed for access after bottom processes construction part, forbids on-site cutting, avoids the formation of wood chip and falls in beam and cannot clear up; 2. template is when making, to the template after cutting must all plane be straight, tight to ensure plate piece; 3. special messenger must be had during concreting to nurse template, observe template and whether change, check the stability supported in time.
As preferably, in the on-the-spot support body of step 5) is set up:
Full hall falsework set up order: unwrapping wire locate → lay chock → installations sweep the floor bar, in length and breadth pull bar → found first segment vertical rod → installation cross bar, establish to throw temporarily and support → connect vertical rod, cross bar, ditto set up step, until set up;
Supporting frame set up requirement: full setting up of hall frame should be set up in strict accordance with beam-slab template support system design scheme, require smooth vertical and horizontal, neatly clear, figure consistent, flat perpendicular clear and coherent, be connected firmly, load-bearing safely, have safety operation space, indeformable, do not rock.
As preferably, in the concreting of step 8) beam slab and concrete curing,
1) construction of post is undertaken by construction section, should clear up by first coupled columns root constuction joint before pillar mould, and then formwork concreting, and adopt and build while the mode of vibrating, speed of perfusion can not be too fast, to prevent swollen mould;
2) beam slab should be built simultaneously, build symmetrically according to from span centre to two ends, by the order of centre to surrounding when building, beam slab concreting should be carried out continuously, ensures that connecing a batch position concrete connects good, configure two when building and resemble pump, ensure that symmetrical casting process is implemented;
3), during stationary concrete pump fluid concrete, the support of fixing pump line should be arranged separately, must not connect with support system or contact, special messenger should be had to observe mould bases deformation observation, have problem to report without delay and take measures during pouring concrete.
Beneficial effect: in the construction of comprehensive gymnasium high form-tie assembly, by the scheme guiding construction that a whole set of is complete, ensure that the construction quality of formwork system, completes sports palace erection programming smoothly, reaches predetermined construction object.
Accompanying drawing explanation
Fig. 1 is that supporting frame and frame column are connected and fixed elevational schematic view;
Fig. 2 is beam forms formwork generalized section;
Fig. 3 is that supporting frame and frame column are connected and fixed floor map;
In figure, 1-frame column; 2-embraces tie bar; 3-supporting frame; 4-master is stupefied; 5-time stupefied; 6-joist flitch; 7-U holds in the palm; 8-vertical rod.
Detailed description of the invention
project profile
The comprehensive gymnasium of this engineering is frame construction, building area 18006 ㎡, 2 layers on the ground, aboveground area 17216 square metres, 1 layer, underground, underground building area 790 meters; Subterranean depth about 6.3 meters.Venue can hold 35000 people, comprises ball, track and field, swimming, body-building, extreme sport in the synthesis of one.Support system: (1) soldier pile is I40C steel sheet pile: the long 12m of stake, totally 303.Reinforcing bar is reinforcing bar is I grade of steel (HPB300), III grade of steel (HRB400E).Comprehensive gymnasium is managed by swimming and sports palace two parts form, and swimming hall roofing height top mark is high by 18.338, floor height 13.338m, thickness of slab 150(300), sports palace arch covering is divided into one, two, three, 44 venues, and roofing height is followed successively by 23.25,21.05,18.55,23.55 floor heights are followed successively by 17.35,15.5,12.65,17.65, and roofing is curved surface.
technological difficulties and key link
1, technological difficulties
This engineering high-supported formwork position is all positioned at building, and high-supported formwork support body basis is flooring, so support body basis is not yielding.Roofing top board is curved surface, and this is a difficult point of template construction.There is the beam of 500 × 3000 local, cassette ceiling region in addition, and this is also a difficult point of this engineering.Y shape pillar becomes disjunctor state with tapered pole position in addition, and bar cannot be set up in bottom, and the beam at top installs span greatly, and beam of resisting and delaying at the bottom of these two position beams adopts i iron.
2, key link
In the construction of this engineering, setting up of high-supported formwork support body is the key link, the resistance to overturning of support body must be ensured, vertical pole ' s span is arranged evenly rationally, bridging is set on request, because the stressed complexity of curved-surface structure, therefore in theoretical foundation, 1:1 sample test is carried out for curved surface roofing top formwork system, rear construct.
kind, form of structure that support body is selected
This engineering high and big die plate supporting frame: No. 1234 venues and swimming hall fastener type steel pipe form bracing system, cassette ceiling region adopts bowl fastening type steel pipe form bracing system.Form of structure adopts full hall formula supporting frame.
construction method
1, beam forms mold method
Beam forms soffit formwork adopts 5 × 100 flitches completely to spread, and with face layer contacts face (the thick three-ply board of liner 3mm meets architectural effect and requires), adopts 100 × 100 flitches to ask+100 × 100 to support as beam cross member bottom steel tube frame U at the bottom of beam.
Wherein the boundary position beam cross member of 1234# venue adopts 14# and 12# and 10# channel-section steel.Side template takes 15 thick wooden forms (the thick three-ply board of liner 3mm meet architectural effect require) equally, secondary stupefied be 50 × 100 flitches, beam side master is stupefied is
4.8 × 3.0 pairs of steel pipes, split bolt adopts M14.
2, beam forms formwork requirement
1. special messenger must be had to turn over master drawing according to drawing requirement is drawn before beam form construction, indicate various beam side plate height, beam absolute altitude, sectional dimension, notify carpenter's group in time and perform detailed technology to tell somebody what one's real intentions are.
2. have to pass through before all side forms and bed die piece and scrape, ensure that seam is tight.
3. beam bottom board and side form will fixedly secure with bean column node template, and large span beam form will by regulation arch camber.Send in concreting process special messenger from outside observe nurse template, check the support situation of template at any time, forbid below template in casting process stand people.
4. beam forms is installed and first should be installed bed die, after reinforcing bar binding is complete, seal side form again.
3, template die plate mold method
Veneer thickness 15mm, wood time stupefied 50 × 100200mm, main stupefied employing
48 pairs of steel pipes, main stupefied lower vertical rod inserts spiral support head, cantilever end height 200mm.
4, template die plate formwork requirement
1. stencil plane size must be turned over master drawing according to structural working drawing and template and to be allowed for access after bottom processes construction part, forbids on-site cutting, avoids the formation of wood chip and falls in beam and cannot clear up.
2. template is when making, to the template after cutting must all plane be straight, tight to ensure plate piece.
3. special messenger must be had during concreting to nurse template, observe template and whether change, check the stable of support in time.
That 5, expires hall frame sets up order
Setting up of falsework should strictly follow following order:
Unwrapping wire locate → lay chock → installation sweep the floor bar, in length and breadth pull bar → vertical first segment vertical rod → install the cross bars such as second and third step, establish and throw support temporarily and (establish one every six roots of sensation vertical rod, remove after complete bridging to be installed) → connect vertical rod, cross bar, ditto step is set up, until set up.
6, support system erection method
This engineering high and big die plate supporting frame selects fastener type steel pipe form bracing system.Form of structure adopts full hall formula support body.
Support body sets up key point:
supporting frame based on reinforced concrete floor, lays sheeting caps under this layer;
2. vertical rod arranges that vertical horizontal spacing and horizon bar spacing are arranged according in " four, the tectonic sieving safety of supporting frame and technical data in ".
Arrange cross bar between the vertical, horizontal of 3. often arranging often row vertical rod to connect, bar of sweeping the floor is apart from ground 200mm
4. supporting frame border and middle vertical, horizontal should arrange vertical continous way bridging from the end to top, and the word diagonal brace increased between the adjacent bridging of vertical, horizontal, horizontal cross brace is set up between adjacent vertical bridging, together with horizontal cross support and bottom are respectively arranged, centre is not more than 4.8m interval and arranges together;
5. concrete column first carries out pouring construction, and when back frame body is set up and concrete column carry out socket fixing.
7, supporting frame set up requirement
Full setting up of hall frame should be set up in strict accordance with beam-slab template support system design scheme.
Require smooth vertical and horizontal, neatly clear, figure consistent, flat perpendicular clear and coherent, be connected firmly, load-bearing safely, have safety operation space, indeformable, do not rock.Be specially: first vertical rod, rear transverse rod, it is high that the vertical missing of vertical rod must not be greater than 1/200 frame, and two adjacent vertical rod joints are not in same step pitch, and the distance staggered in short transverse every two joints of being separated by of a vertical rod in synchronous should not be less than 500mm.
Should establish chock and base bottom steel pipe post, adjustable rest should be established in top, if any gap between U-shaped rest and stupefied beam both sides, must carve tight; Its screw rod stretches out steel pipe top must not be greater than 200mm, and the length inserted in vertical rod must not be less than 150mm; The gap of outer screw diameter and column pipe diameter must not be greater than 3mm, should ensure concentric up and down during installation; The distance of fastener type falsework top braces point and support top layer cross bar should not be greater than 500mm.
(2) crossbar joint of same level staggers two spans.Cross bar horizontal departure controls in 50mm.Vertical rod spreading is except the step of top layer top, all the other each layers respectively walk joint and must adopt and connect clasp, vertical rod interlaced arrangement is answered to clasp, the joint of two adjacent vertical rods should not be arranged on synchronously, and the distance staggered in short transverse every two joints of being separated by of a vertical rod in synchronous should not be less than 500mm; Each connector center should not be greater than 1/3 of step pitch to the distance of host node; The lap length of horizon bar lap joint should not be less than 1m, should adopt to be no less than 3 rotary buckles and to fix.
(3) longitudinal cross bar and horizontal cross bar, be fastenedly connected, and distance is not more than 50mm with fastener and vertical rod, and the girt of all directions should in same level.
(4) in time and structure drawknot or arrange to throw and support, to guarantee the safety setting up process.
(5) vertical bracing should ° inclination angle, at 45 ° ~ 60, and two diagonal braces are arranged symmetrically with, and the width of per pass bridging at 4--6 rice, should be arranged to top the end of by continuously.
(6) the spreading region of bridging inclined member, answer spaced set 3 rotary buckles to overlap, lap length should be greater than 1 meter, and the distance of lapping ends fastener distance rod member termination should be greater than 100mm, must not adopt clasp; When bridging brace and vertical rod or horizon bar intersect, crosspoint application rotary buckle is fixed.
(7) four limits of full hall falsework arranges vertical rod every four should extremely push up longitudinal bridging together with continuous setting the end of by with middle, and are arranged under girder.
(8) full hall shuttering supporting two ends and middle every 4 row's vertical rods from top layer downward to arrange every 3 steps together with horizontal cross brace.
(9) with when connecting leger to clasp, the opening of fastener should towards the inner side of shelf, and bolt enters upward, with rainwater-proof.When using cruciform fastening for falsework, opening must not down, and to guarantee safety, when fastener for installing, fastener must be put after rectifying and tight a bolt, when tighting a bolt, firmly want suitably, general control is at 40 ~ 65Nm.
(10) the concrete frame capital that waters of full hall template horizontal support periphery Ying Yuyi is tight.
(11) full hall frame must in strict accordance with code requirement the selection of material, and for flattening, bending, corrosion and crannied steel pipe and underproof component, forbid to use, fastening bolt should meet the torsional moment requirement under normal condition.
(12) inspect for acceptance, after erection of frames, the inspecting for acceptance of Comprehensive, visa be carried out, also will twist again all nodes and tighten up, fastening bolt torsional moment must not be less than 40Nm, and is not more than 65Nm, timely pastel makes a mark, and guarantees that one does not leak.
8, the socketing of support body and post
At construction 1234 venue Y shape pillar long construction period, during high-supported formwork ceiling height to be onstructed, the concrete strength in this region is close to 80% of design strength.For ensureing the resistance to overturning of beam-slab bracing system support body, steel pipe is adopted support body and concrete column to be socketed.Socket method as shown in Figures 2 and 3.
concrete casting requirement
(1) indwelling of constuction joint and process
1, the indwelling of constuction joint
According to characters of practical engineering and Party A to the requirement of programming, conscientiously study through my company and pouring concrete is divided into the separately construction of frame column and beam slab.
The constuction joint of frame column construction is retained in the beam soffit at bean column node place, and Beam-Slab Construction constuction joint stays plate epithelium, upper post root place.
2, concreting feed height is no more than 100mm.
(2) concreting method
1, post is built
Bottom first should be filled out and identically with concrete mix subtract stone cement mortar so that 50-100 ㎜ are thick before post concreting.
The construction of post is undertaken by construction section, should clear up by first coupled columns root constuction joint before pillar mould, and then formwork concreting, and adopt and build while the mode of vibrating, speed of perfusion can not be too fast, to prevent swollen mould.
Because this engineering pillar is comparatively large and be polymorphic structure; therefore take self-compacting concrete; building in the concrete overall process of post the position should noting protecting reinforcing bar; to check whether template is out of shape at any time, whether displacement, bolt and pull bar loosen, come off and the phenomenon such as spillage, and special messenger should be had to manage.
2, beam slab is built
Beam slab should be built simultaneously, builds symmetrically when building according to from span centre to two ends, by the order of centre to surrounding.Beam slab concreting should be carried out continuously, ensures that connecing a batch position concrete connects good.Configure two when building and resemble pump, ensure to implement the casting process of support.During stationary concrete pump fluid concrete, the support of fixing pump line should be arranged separately, must not connect with support system or contact.Special messenger should be had during pouring concrete to observe mould bases deformation observation, have problem to report to section chief in time and take measures.
monitoring measure
Contents for Monitoring comprises: support sedimentation, displacement and distortion.
Layout of the monitoring points: vertical position, monitoring point is arranged in girder and secondary beam interface point place, and level monitoring point is arranged in the vertical rod of limit.
The monitoring instrument such as transit, level gauge must be used to monitor, and monitoring instrument precision should meet field monitoring requirement, and establishes deformation monitoring alarming value.If insufficient light in observation set-point, must install illuminator, with satisfied observation requirement inside all round victory supporting frame.
Before fluid concrete, after the whole process of fluid concrete and fluid concrete, should be observed support system by measurement section chief.The method that vertical monitoring point adopts range estimation vertical rod to combine with theodolite observation, level monitoring point is at a right angle with two piece of 15 ㎝ clamping plate nail at the bottom of beam or in the vertical rod of beam side, fix with vertical rod, clamping plate paste A4 blank sheet of paper smooth, paper is drawn 1 millimeter, some intervals vertical line, adopt level gauge to monitor, in time the survey data of each process is analyzed.The largest settlement controlling value of this engineering is 12mm, and early warning value is 8mm; The lateral displacement controlling value of shuttering supporting is 15mm, and early warning value is 10mm.
Monitoring time is spaced apart: before concreting, monitoring once, and record data of monitoring point: monitor as emphasis during concreting, monitors monitoring point, until built by measurement section chief overall process.In monitoring, when sedimentation deformation exceedes permissible value, immediate evacuation personnel, report program manager and Zhi An section of company, then take relevant reinforcement measure.
Claims (10)
1. comprehensive gymnasium high-supported formwork system, comprises beam forms, template die plate and supporting frame, it is characterized in that, described beam forms by soffit formwork, side template, secondaryly stupefiedly and main stupefiedly to form, its banding is fixed by split bolt by the secondary stupefied and main stupefied of side template; Time stupefied, two steel pipe master is stupefied forms by veneer, wood for described template die plate, wood is time stupefied be positioned at two steel pipe master stupefied on, main stupefied lower vertical rod inserts spiral support head, fixed support plate template; Support frame as described above body is fastener type steel pipe shuttering supporting, fixed support beam forms and template die plate.
2. high-supported formwork system according to claim 1, is characterized in that, described beam forms soffit formwork flitch completely spreads, with face layer contacts face liner three-ply board, secondary stupefied as beam cross member lower support with flitch at the bottom of beam, flitch time stupefied flitch is as chock, and chock is positioned in steel tube frame U holder; Side template takes wooden form liner three-ply board, secondary stupefied be 5 flitches, beam side master is stupefied is two steel pipes; Beam bottom board and side form will fixedly secure with bean column node template, and large span beam form will by regulation arch camber.
3. high-supported formwork system according to claim 1, is characterized in that, supporting frame based on reinforced concrete floor, lays sheeting caps under this layer; Vertical rod arranges that vertical horizontal spacing and horizon bar spacing are arranged according to the tectonic sieving safety of supporting frame and technical data; Arrange cross bar between the vertical, horizontal of often arranging often row vertical rod to connect, bar of sweeping the floor is apart from ground 200mm; Supporting frame border and middle vertical, horizontal should arrange vertical continous way bridging from the end to top, and the word diagonal brace increased between the adjacent bridging of vertical, horizontal, horizontal cross brace is set up between adjacent vertical bridging, together with horizontal cross brace respectively to be arranged with bottom at the top of vertical bridging, centre is not more than 4.8m interval and arranges together.
4. comprehensive gymnasium high-supported formwork system construction method, is characterized in that, comprise the steps:
1) high-supported formwork special scheme establishment; 2) support system type selecting: support system is fastener type steel pipe shuttering supporting, adopts full hall formula frame structure form; 3) preparation of construction; 4) surveying setting-out; 5) on-the-spot support body is set up: must ensure the resistance to overturning of support body, and vertical pole ' s span is arranged evenly rationally, arranges bridging on request, carries out 1:1 sample test for curved surface roofing top formwork system in theoretical foundation, rear construct; 6) beam-slab template is installed; 7) beam-slab template reinforcement construction; 8) beam slab concreting and concrete curing; 9) form removable: the concrete of building removes beam forms, template die plate and supporting frame after reaching setting intensity.
5. high-supported formwork system construction method according to claim 4, it is characterized in that, after the establishment of high-supported formwork special scheme and before surveying setting-out operation, also need through the experts' evaluation of high-supported formwork scheme, high-supported formwork scheme modifying is also finally determined, high-supported formwork scheme is confided a technological secret.
6. high-supported formwork system construction method according to claim 4, is characterized in that, before support body is set up at the scene, also will carry out material preparation, and on-the-spot material sampling observation, can set up support body after assessment of conformity.
7. high-supported formwork system construction method according to claim 4, is characterized in that, in work progress, should take monitoring measure, and ensure workmanship, Contents for Monitoring comprises: 1) monitor supporting frame sedimentation, displacement and distortion; 2) layout of the monitoring points: vertical position, monitoring point is arranged in girder and secondary beam interface point place, and level monitoring point is arranged in the vertical rod of limit; 3) use monitoring instrument to monitor, monitoring instrument precision should meet field monitoring requirement, and establishes deformation monitoring alarming value; 4) before fluid concrete, after the whole process of fluid concrete and fluid concrete, support system is observed, in time the survey data of each process is analyzed; 5) monitoring time is spaced apart: before concreting, monitoring once, and record data of monitoring point: monitor as emphasis during concreting, monitors monitoring point, until built by measurement section chief overall process.
8. high-supported formwork system construction method according to claim 4, it is characterized in that, when the beam-slab template installation procedure of step 6), the formwork carrying out beam forms construction requires: 1. special messenger must be had to turn over master drawing according to drawing requirement is drawn before beam form construction, indicate various beam side plate height, beam absolute altitude, sectional dimension, notifies carpenter's group and performs detailed technology to tell somebody what one's real intentions are in time; 2. have to pass through before all side forms and bed die piece and scrape, ensure that seam is tight; 3. beam bottom board and side form will fixedly secure with bean column node template, and large span beam form will by regulation arch camber; Send in concreting process special messenger from outside observe nurse template, check the support situation of template at any time, forbid below template in casting process stand people; 4. beam forms is installed and first should be installed bed die, after reinforcing bar binding is complete, seal side form again;
The formwork carrying out template die plate requires: 1. stencil plane size must be turned over master drawing according to structural working drawing and template and to be allowed for access after bottom processes construction part, forbids on-site cutting, avoids the formation of wood chip and falls in beam and cannot clear up; 2. template is when making, to the template after cutting must all plane be straight, tight to ensure plate piece; 3. special messenger must be had during concreting to nurse template, observe template and whether change, check the stability supported in time.
9. high-supported formwork system construction method according to claim 5, is characterized in that, in the on-the-spot support body of step 5) is set up:
Full hall falsework set up order: unwrapping wire locate → lay chock → installations sweep the floor bar, in length and breadth pull bar → found first segment vertical rod → installation cross bar, establish to throw temporarily and support → connect vertical rod, cross bar, ditto set up step, until set up;
Supporting frame set up requirement: full setting up of hall frame should be set up in strict accordance with beam-slab template support system design scheme, require smooth vertical and horizontal, neatly clear, figure consistent, flat perpendicular clear and coherent, be connected firmly, load-bearing safely, have safety operation space, indeformable, do not rock.
10. high-supported formwork system construction method according to claim 5, is characterized in that, in the concreting of step 8) beam slab and concrete curing,
1) construction of post is undertaken by construction section, should clear up by first coupled columns root constuction joint before pillar mould, and then formwork concreting, and adopt and build while the mode of vibrating, speed of perfusion can not be too fast, to prevent swollen mould;
2) beam slab should be built simultaneously, build symmetrically according to from span centre to two ends, by the order of centre to surrounding when building, beam slab concreting should be carried out continuously, ensures that connecing a batch position concrete connects good, configure two when building and resemble pump, ensure that symmetrical casting process is implemented;
3), during stationary concrete pump fluid concrete, the support of fixing pump line should be arranged separately, must not connect with support system or contact, special messenger should be had to observe mould bases deformation observation, have problem to report without delay and take measures during pouring concrete.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544832A (en) * | 2015-12-16 | 2016-05-04 | 中国建筑第二工程局有限公司 | Shell roof and construction method thereof |
| CN106813653A (en) * | 2017-03-10 | 2017-06-09 | 山西省第三建筑工程公司 | The outer bay window of arcuate building exterior wall embraces frame post actinobacillus device and line-putting method |
| CN107700669A (en) * | 2017-09-26 | 2018-02-16 | 如皋市煜腾金属材料科技有限公司 | A kind of steel for being easily installed and pouring |
| CN107869249A (en) * | 2017-11-17 | 2018-04-03 | 成都市第四建筑工程公司 | Arcuate structure high-formwork construction method |
| CN108661312A (en) * | 2018-03-23 | 2018-10-16 | 中国十七冶集团有限公司 | A kind of laminated floor slab Construction Supporting System |
| CN109750829A (en) * | 2019-01-24 | 2019-05-14 | 中建八局第三建设有限公司 | The construction method that the unit-combination type support system of deformation monitoring automation is early torn open |
| CN110130477A (en) * | 2019-04-16 | 2019-08-16 | 上海福铁龙住宅工业发展有限公司 | A kind of housing construction method |
| CN110952774A (en) * | 2019-11-20 | 2020-04-03 | 中国五冶集团有限公司 | Method and system for building large-span beam supporting system |
| CN112031406A (en) * | 2020-08-31 | 2020-12-04 | 上海宝冶集团有限公司 | Construction method for 360-degree rotary bending of snowmobile ski-racing track |
| CN112227681A (en) * | 2020-09-30 | 2021-01-15 | 中铁七局集团有限公司 | Novel socket key groove type formwork support, formwork system and building method thereof |
| CN113513160A (en) * | 2021-03-16 | 2021-10-19 | 中国建筑第二工程局有限公司 | Construction method of basement high and large formwork support system |
| CN113530216A (en) * | 2021-07-01 | 2021-10-22 | 广西建工集团控股有限公司 | Large-span ultrahigh formwork-erecting real-time dynamic monitoring construction method |
| CN113863665A (en) * | 2021-10-08 | 2021-12-31 | 贵州建工集团第一建筑工程有限责任公司 | Beam slab formwork support building method |
| CN114263343A (en) * | 2022-01-28 | 2022-04-01 | 中建八局第二建设有限公司 | Formwork erecting method for combined building construction |
| CN114482520A (en) * | 2021-12-27 | 2022-05-13 | 南通大学 | Method for erecting formwork support system frame body |
| CN115198764A (en) * | 2022-07-21 | 2022-10-18 | 中国一冶集团有限公司 | Support framework and construction method for erecting lattice column top plate |
| CN115680281A (en) * | 2022-11-23 | 2023-02-03 | 北京城建集团有限责任公司 | Construction process of ultralimit formwork |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544832B (en) * | 2015-12-16 | 2017-07-18 | 中国建筑第二工程局有限公司 | A kind of shell roofing and its construction method |
| CN105544832A (en) * | 2015-12-16 | 2016-05-04 | 中国建筑第二工程局有限公司 | Shell roof and construction method thereof |
| CN106813653A (en) * | 2017-03-10 | 2017-06-09 | 山西省第三建筑工程公司 | The outer bay window of arcuate building exterior wall embraces frame post actinobacillus device and line-putting method |
| CN106813653B (en) * | 2017-03-10 | 2023-03-03 | 山西省第三建筑工程公司 | Arc building outer wall outer convex window frame holding column paying-off device and paying-off method |
| CN107700669A (en) * | 2017-09-26 | 2018-02-16 | 如皋市煜腾金属材料科技有限公司 | A kind of steel for being easily installed and pouring |
| CN107869249A (en) * | 2017-11-17 | 2018-04-03 | 成都市第四建筑工程公司 | Arcuate structure high-formwork construction method |
| CN108661312A (en) * | 2018-03-23 | 2018-10-16 | 中国十七冶集团有限公司 | A kind of laminated floor slab Construction Supporting System |
| CN109750829A (en) * | 2019-01-24 | 2019-05-14 | 中建八局第三建设有限公司 | The construction method that the unit-combination type support system of deformation monitoring automation is early torn open |
| CN110130477A (en) * | 2019-04-16 | 2019-08-16 | 上海福铁龙住宅工业发展有限公司 | A kind of housing construction method |
| CN110952774A (en) * | 2019-11-20 | 2020-04-03 | 中国五冶集团有限公司 | Method and system for building large-span beam supporting system |
| CN112031406B (en) * | 2020-08-31 | 2021-12-31 | 上海宝冶集团有限公司 | Construction method for 360-degree rotary bending of snowmobile ski-racing track |
| CN112031406A (en) * | 2020-08-31 | 2020-12-04 | 上海宝冶集团有限公司 | Construction method for 360-degree rotary bending of snowmobile ski-racing track |
| CN112227681A (en) * | 2020-09-30 | 2021-01-15 | 中铁七局集团有限公司 | Novel socket key groove type formwork support, formwork system and building method thereof |
| CN113513160A (en) * | 2021-03-16 | 2021-10-19 | 中国建筑第二工程局有限公司 | Construction method of basement high and large formwork support system |
| CN113513160B (en) * | 2021-03-16 | 2024-06-07 | 中国建筑第二工程局有限公司 | Construction method of basement high and large formwork support system |
| CN113530216A (en) * | 2021-07-01 | 2021-10-22 | 广西建工集团控股有限公司 | Large-span ultrahigh formwork-erecting real-time dynamic monitoring construction method |
| CN113863665A (en) * | 2021-10-08 | 2021-12-31 | 贵州建工集团第一建筑工程有限责任公司 | Beam slab formwork support building method |
| CN114482520A (en) * | 2021-12-27 | 2022-05-13 | 南通大学 | Method for erecting formwork support system frame body |
| CN114263343A (en) * | 2022-01-28 | 2022-04-01 | 中建八局第二建设有限公司 | Formwork erecting method for combined building construction |
| CN115198764A (en) * | 2022-07-21 | 2022-10-18 | 中国一冶集团有限公司 | Support framework and construction method for erecting lattice column top plate |
| CN115198764B (en) * | 2022-07-21 | 2023-08-29 | 中国一冶集团有限公司 | Supporting framework and construction method for lattice column top plate support |
| CN115680281A (en) * | 2022-11-23 | 2023-02-03 | 北京城建集团有限责任公司 | Construction process of ultralimit formwork |
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