CN105735642A - Double-sided clean water inclined wall large-span window aperture template system and construction method thereof - Google Patents

Double-sided clean water inclined wall large-span window aperture template system and construction method thereof Download PDF

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Publication number
CN105735642A
CN105735642A CN201610203339.0A CN201610203339A CN105735642A CN 105735642 A CN105735642 A CN 105735642A CN 201610203339 A CN201610203339 A CN 201610203339A CN 105735642 A CN105735642 A CN 105735642A
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China
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template
window opening
sloping core
clear water
vibrating
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CN201610203339.0A
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CN105735642B (en
Inventor
刘建华
申屠洋锋
杨冬辉
唐玲龙
郑晓峰
江莹
肖作金
王荆
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China Construction Eighth Engineering Division Co Ltd
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China Construction Eighth Engineering Division Co Ltd
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    • 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
    • E04G15/00Forms or shutterings for making openings, cavities, slits, or channels
    • E04G15/02Forms or shutterings for making openings, cavities, slits, or channels for windows, doors, or the like

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Abstract

The invention discloses a double-sided clean water inclined wall large-span window aperture template system and a construction method thereof. The template system comprises a window aperture template structure, an inclined wall outside template and an inclined wall inside template, wherein the window aperture template structure comprises a window aperture template and a reinforcement cage supported in the window aperture template; a vibrating hole is formed in the bottom of the window aperture template; the inclined wall outside template is propped against the outer side of the window aperture template and is fixedly connected with the reinforcement cage; the inclined wall inside template is propped against the inner side of the window aperture template and is fixedly pulled with the inclined wall outside template; a vibrating window is formed in the inclined wall inside template. According to the template system disclosed by the invention, the reinforcement cage is arranged in the window aperture template and achieves an effect of reinforcing and supporting the window aperture template; the reinforcement cage can be fixedly connected with the inclined wall outside template, so that fixing measures of the window aperture template structure are enhanced, and the window aperture template structure is prevented from being disturbed during concrete pouring. Meanwhile, the vibrating hole is reserved in the bottom of the window aperture template for embedding a vibrating rod, so that the condition that rod insertion is difficult due to obstructed insertion path of the vibrating rod after completion of inclined wall steel bar binding and template mounting can be avoided.

Description

Two-sided clear water sloping core large span window opening template system and construction method thereof
Technical field
The present invention relates to a kind of large span clear water window opening construction field, particularly relate to a kind of two-sided clear water sloping core large span window opening template system and construction method thereof.
Background technology
Two-sided clear water sloping core large span clear water window opening is different from conventional window opening, and difficulty of construction is big, and clear water construction requirement is high, has technical characterstic and the practical difficulties of distinctness:
(1) window opening span is big, and span is considerably beyond conventional window opening span;
(2) left and right sides of window opening, window opening end face and bottom surface all require clear-water concrete effect;
(3) large span window opening is positioned at sloping core, adopts steel frame wooden template system outside sloping core, adopts to dissipate and join plain form system inside sloping core, need to be designed constructing to window opening template structure according to outside reinforcement system in sloping core;
(4) concrete blanking below large span window opening and difficulty of vibrating, need to adjust slump herein and reach 200mm~220mm, it is simple to trickles from the concrete of window opening both sides blanking and comes;
(5) building and in the process of vibrated concrete, window opening is produced the power floating and pressing down by concrete, effective fixation taked by needs, window opening template and interior outside plain form are fitted tightly, prevent window opening template structure floating and under press, ensure that this large span window opening template structure does not shift, be unlikely to dehydration spillage, affect clear-water concrete effect;
(6) during window opening construction, there is lateral pressure in both sides concrete around, and window opening template structure itself need to resist concrete lateral pressure, blanking and vibrate and need the left and right sides to synchronize symmetrical construction;
(7) implementation result of clear-water concrete below window opening need to be ensured;
(8) on the basis of the stability in the large and rigidity that ensure window opening template structure, ensure that window opening surrounding will not leave behind the vestige of nail, it is ensured that the clear-water concrete effect of window opening surrounding simultaneously.
Therefore, there is following FAQs in the construction of two-sided clear water sloping core large span clear water window opening:
(1) window opening lower concrete vibrates insufficient, and then affects clear-water concrete and the clear-water concrete effect of window opening own below window opening.
(2) window opening template structure fixation is not in place, and construction work is easily subject to disturbance so that window opening template structure junction dehydration spillage.
(3) the reinforcement system rigidity of window opening own is inadequate, is deformed.
(4) interior outboard template and window opening template effectively do not apply precompression, and window opening template and interior outboard template cannot fit tightly.
The problems referred to above not only have impact on window opening clear-water concrete effect, more have impact on the clear-water concrete effect of sloping core below window opening.For solving these problems, we, through thinking, summarize a set of effective construction method, and have passed through constructing check, well solve the construction difficult problem of two-sided sloping core large span clear water window opening.
Summary of the invention
The technical problem to be solved is to provide a kind of two-sided clear water sloping core large span window opening template system and construction method thereof, it is possible to effectively solve window opening lower concrete vibrate insufficient, window opening template is fixing not firm and window opening template oneself height only, yielding problem.
For realizing above-mentioned technique effect, the invention discloses a kind of two-sided clear water sloping core large span window opening template system, including:
Window opening template structure, including window opening template and be located at the reinforcing cage in described window opening template, the bottom of described window opening template offers for the hole of vibrating plugging vibrating head;
Sloping core outboard template, is resisted against the outside of described window opening template and fixing with described reinforcing cage is connected;
Sloping core inner side template, is resisted against the inner side of described window opening template and fixes with described sloping core outboard template drawknot, and described sloping core inner side template offers the window that vibrates vibrated for vibrating head.
Due to the fact that and have employed above technical scheme, make it have following beneficial effect: by arranging reinforcing cage in window opening template, window opening template can be played on the one hand and reinforce the effect supported, on the other hand, reinforcing cage and sloping core outboard template can be utilized to fix be connected, strengthen the fixation of window opening template structure, it is to avoid window opening template structure is disturbed when concreting.Pre-buried vibrating spear is carried out, it is possible to avoid completing and model sheetinstallat completes at sloping core reinforcing bar binding, hinder the insertion path of vibrating head, cause lower rod difficulty by hole of vibrating reserved in the bottom of window opening template;Simultaneously, by the sloping core inner side template inside window opening template offers the window that vibrates, so that whereabouts, the hole vibrating spear that vibrates offered by window opening template top of vibrating spear, the concrete below the window opening that vibrates, the concrete blanking below window opening and the problem of difficulty of vibrating can be overcome.
Described two-sided clear water sloping core large span window opening template system is further improved by, and is provided with the lip block to support, is further provided with liner plate between described lip block and described window opening template between surrounding and the described window opening template of described reinforcing cage.Utilize the lip block being arranged on window opening template and reinforcing between cage, it is possible to improve rigidity and the stability in the large of window opening template structure self;It is attached by liner plate further between window opening template and lip block, expand the scope of lip block stress, be conducive to the stability in the large of window opening template structure and the reinforcement of rigidity, can the pinprick of fixing window opening template Yu lip block be embedded in liner plate simultaneously, avoid the vestige that hole for nailing occurs on window opening surface, substantially increase the clear-water concrete effect of window opening periphery.
Described two-sided clear water sloping core large span window opening template system is further improved by, described window opening template includes template bottom window opening top template, window opening and is connected to the window opening Side shuttering of template both sides bottom described window opening top template and described window opening, described in hole of vibrating be opened in bottom described window opening in template;Described reinforcing cage include the delta wood square frame arranged along described sloping core outboard template, the top being connected to delta wood square frame and along described window opening top template-setup multiple tracks top flitch, be connected to the bottom of delta wood square frame and along flitch, the both sides being connected to flitch frame described in multilamellar and the multiple tracks side flitch arranged along described window opening Side shuttering bottom the multiple tracks of template-setup bottom described window opening;It is provided with described lip block and described liner plate between described top flitch and described window opening top template, it is provided with described lip block and described liner plate bottom described bottom flitch and described window opening between template, between described side flitch and described window opening Side shuttering, is provided with described lip block and described liner plate.
Described two-sided clear water sloping core large span window opening template system is further improved by, and described sloping core outboard template includes fixing the outside clear water panel being connected and the reinforcing back frame being located at described outside self finish back with described reinforcing cage.
Described two-sided clear water sloping core large span window opening template system is further improved by, described sloping core inner side template includes the inner side clear water panel being resisted against on described window opening template and the reinforcing back rib being located at described inner side self finish back, described reinforcing back rib is fixed in the described reinforcing back frame of sloping core outboard template by Screw arbor with nut at both-ends drawknot, described outside clear water panel and offer the screw hole worn for described Screw arbor with nut at both-ends on the clear water panel of described inner side.The pressure utilizing Screw arbor with nut at both-ends makes window opening template structure effectively be pushed down locking, will not produce displacement.
Described two-sided clear water sloping core large span window opening template system is further improved by, described in window place of vibrating be provided with the supporting described reinforcing back rib inside described window opening template.Reinforcing back rib is utilized to carry out effective supporting in the region being not provided with sloping core inner side template, it is to avoid window opening template structural shift.
The invention also discloses a kind of two-sided clear water sloping core large span window opening construction method, including step:
Colligation sloping core reinforcing bar, and window opening installing space is formed in window opening place;
Sloping core outboard template is installed in the outside of window opening installing space;
Window opening template structure is installed in described window opening installing space, is connected fixing to the reinforcing cage of described window opening template structure and described sloping core outboard template;
Vibrating spear is installed in the hole of vibrating of described window opening template structural base, makes the lower end of described vibrating spear extend downward the lower section of described window opening template structure;
Sloping core inner side template is installed in the inner side of described window opening installing space, makes described sloping core inner side template be resisted against the inner side of described window opening template structure, and in described sloping core inner side template, offer the window that vibrates vibrated for described vibrating head;
Described sloping core inner side template and described sloping core outboard template drawknot are fixed, makes formation casting space between the outside of described window opening template structure and described sloping core inner side template and described sloping core outboard template;
In described casting space, build window opening concrete, and start described vibrating head and vibrate, complete that described window opening is concrete builds.
The present invention utilizes sloping core original reinforcement system that window opening template structure carries out firm fixing.It is connected by the reinforcing cage within window opening template and sloping core outboard template are fixing, makes window opening template structure be able to effective fixing, do not produce displacement.
Described two-sided clear water sloping core large span window opening construction method is further improved by, described casting space includes being formed at the top casting space of described window opening template superstructure, being formed at the bottom casting space below described window opening template structure and be formed at the sidepiece casting space of described window opening template structure both sides, and described top casting space, described sidepiece casting space and described bottom casting space are connected;
In described casting space, build the concrete step of window opening include: in the casting space of described top, build window opening concrete, and increase the concrete slump of described window opening to 200mm~220mm, described window opening concrete is made to trickle along described window opening template structure, until completing building of described bottom casting space, described sidepiece casting space and described top casting space.The concrete slump of window opening and divergence is amplified, it is possible to ensure in the bottom casting space that window opening concrete trickles smoothly below window opening template structure by adjusting.
Described two-sided clear water sloping core large span window opening construction method is further improved by, and before colligation sloping core reinforcing bar, sets up framed bent outside sloping core in advance, arranges diagonal brace outside described sloping core on framed bent;When being in that the outside installation sloping core outboard template of window opening installing space, described diagonal brace is utilized to install the described sloping core outboard template of installation.
Described two-sided clear water sloping core large span window opening construction method is further improved by, and during colligation sloping core reinforcing bar, on described sloping core reinforcing bar, colligation window opening sleeper reinforcing bar and window opening cross beam steel, form described window opening installing space.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention two-sided clear water sloping core large span window opening template system.
Fig. 2 is the partial enlargement structural representation of Fig. 1.
Fig. 3 is the elevational schematic view of window opening template structure in the present invention two-sided clear water sloping core large span window opening template system.
Fig. 4 is the mounting structure figure of the A-A position of Fig. 3.
Fig. 5 is the mounting structure figure of the B-B position of Fig. 3.
Fig. 6 is the flow chart of the present invention two-sided clear water sloping core large span window opening construction method.
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, the present invention is further detailed explanation.
First, consult shown in Fig. 1 and Fig. 2, the present invention two-sided clear water sloping core large span window opening template system is mainly made up of window opening template structure 11, sloping core outboard template 12 and sloping core inner side template 13, wherein sloping core outboard template 12 and sloping core inner side template 13 are the original template system of sloping core, the reinforcing of sloping core outboard template 12 and sloping core inner side template 13 may be used without the original reinforcement system of sloping core, as sloping core outboard template 12 adopts framed bent 20 and diagonal brace 21 outside sloping core to be fixed, sloping core inner side template 13 adopts Screw arbor with nut at both-ends 15 and sloping core outboard template 12 drawknot to fix.The present invention two-sided clear water sloping core large span window opening template system is mainly used for that window opening span is relatively big, reaches 4.6m and construct with the clear water window opening of upper span, and the end face of the left and right sides of window opening, window opening and ground all require clear-water concrete effect, the inner side of sloping core, outside require to be clear-water concrete effect.Large span hole certainly for general clear-water concrete stalk or normal concrete stalk, sloping core is equally applicable, and molding effect is handsome good.
Coordinate shown in Fig. 2~5, window opening template structure 11 mainly includes window opening template 111, is located in window opening template 111 and shape adaptation reinforcing cage 112 and being located at the lip block 113 reinforced between cage 112 and window opening template 111 in window opening, and the bottom of window opening template 111 offers for the hole 141 of vibrating plugging vibrating head.Sloping core outboard template 12 be resisted against window opening template 111 outside and with reinforce that cage 112 is fixing to be connected.Sloping core inner side template 13 is resisted against the inner side of window opening template 111 and fixes with sloping core outboard template 12 drawknot, and sloping core inner side template 13 offers the window 142 that vibrates vibrated for vibrating head.
The present invention by arranging reinforcing cage 112 in window opening template 111, window opening template 111 can be played on the one hand and reinforce the effect supported, on the other hand, reinforcing cage 112 can be utilized to fix with sloping core outboard template 12 be connected, strengthen the fixation of window opening template structure 11, it is to avoid window opening template structure 11 is disturbed when concreting.Utilize the lip block 113 being arranged on window opening template 111 and reinforcing between cage 112, it is possible to improve rigidity and the stability in the large of window opening template structure 11 self simultaneously.Further, by vibrate hole 141 pre-buried vibrating spear reserved in the bottom of window opening template 111, it is possible to avoid completing and model sheetinstallat completes at sloping core reinforcing bar binding, hinder the insertion path of vibrating head, cause lower rod difficulty.Simultaneously, the present invention offers, also by the sloping core inner side template 13 inside window opening template 111, the window 142 that vibrates, can so that whereabouts, the hole vibrating spear that vibrates offered by window opening template top of vibrating spear, vibrate the concrete below window opening, overcomes the concrete blanking below window opening and the problem of difficulty of vibrating.
Further, window opening template 111 includes template bottom window opening top template, window opening and is connected to the window opening Side shuttering of template both sides bottom window opening top template and window opening, bottom window opening top template, window opening, template and window opening Side shuttering are plain form, bottom window opening top template, window opening, the junction of template and window opening Side shuttering adopts 45 degree of slope angle splicings, the window opening template making composition is smooth, stable, globality strong, and final window opening completes effect will not produce the vestige that template edge stays.Hole 141 of vibrating is opened in bottom the window opening bottom window opening template 111 in template.
Lip block 113 is flitch, is respectively equipped with liner plate 114 between window opening top template and lip block 113, bottom window opening between template and lip block 113 and between window opening Side shuttering and lip block 113.It is attached by liner plate 114 between window opening template 111 and lip block 113, expand the scope of lip block 113 stress, be conducive to the stability in the large of window opening template structure 11 and the reinforcement of rigidity, can the pinprick of fixing window opening template 111 with lip block 113 be embedded in liner plate 114 simultaneously, avoid the vestige that hole for nailing occurs on window opening surface, substantially increase the clear-water concrete effect of window opening periphery.
Reinforcing cage 112 in window opening template 111 is flitch cage, is similar to the form of steel reinforcement cage, and shape adaptation is in the shape of window opening, and size is more smaller than window opening.Reinforce cage 112 include the delta wood square frame 1121 arranged along sloping core outboard template 12, the top being connected to delta wood square frame and along window opening top template-setup multiple tracks top flitch 1122, be connected to the bottom of delta wood square frame 1121 and along flitch 1123, the both sides being connected to delta wood square frame 1121 and the multiple tracks side flitch 1124 arranged along window opening Side shuttering bottom the multiple tracks of template-setup bottom window opening.Wherein, every layer of flitch frame 1121 includes again tilting flitch along the multiple tracks that sloping core outboard template 12 is arranged and connecting the horizontal flitch of multiple tracks inclination flitch.
Reinforce and be provided with lip block 113 and liner plate 114 between per pass top flitch 1122 and the window opening top template of cage 112, it is provided with lip block 113 and liner plate 114 between template bottom flitch 1123 and window opening bottom per pass, between side flitch 1124 and window opening Side shuttering, is provided with lip block 113 and liner plate 114.Between window opening top and the bottom, install the lip block 113 to support and liner plate 114 between left and right side, solve the problem on deformation of window opening template, make window opening template structure form complete, stable, an effective system, to resist the power that concrete construction produces.Further, sponge strip can be pasted respectively in the junction of window opening template with sloping core outboard template and window opening template and sloping core inner side template, and sponge strip can exit window opening template edge and be about 2mm, the straight degree of window opening template is improved by the flexible material effect of sponge strip, prevent dehydration spillage, it is ensured that the clear water molding effect that large span window hole corner angle are clearly demarcated, negative and positive angle is tall and straight.
Sloping core outboard template 12 in the present invention can adopt steel frame wooden template, including the reinforcing back frame 122 of the steel at clear water panel 121 back side outside fixing the outside clear water panel 121 being connected with the reinforcing cage 112 of window opening template structure 11 and be located at.
Sloping core inner side template 13 adopts to dissipate joins plain form, including the inner side clear water panel 131 being resisted against on window opening template 111 and the reinforcing back rib 132 being located at clear water panel 131 back side, inner side, reinforce back rib 132 and be fixed in the reinforcing back frame 122 of sloping core outboard template 12 by Screw arbor with nut at both-ends 15 drawknot, outside clear water panel 121 and inner side clear water panel 131 offer the screw hole worn for Screw arbor with nut at both-ends 15, Screw arbor with nut at both-ends 15 coordinates mountain type card, inner side clear water panel 131 and outside clear water panel 121 are strained and fixed by steel pipe and nut, the window opening template structure 11 being resisted against between inner side clear water panel 131 and outside clear water panel 121 is applied precompression, the pressure utilizing Screw arbor with nut at both-ends 15 makes window opening template structure 11 effectively be pushed down locking, displacement will not be produced.
The window 142 that vibrates on the clear water panel 131 of inner side can be suitable with the size of window opening template 111, namely inner side clear water panel 131 is all left white at window opening template 111 place, making the inner side not configuration template of window opening template 111, inner side clear water panel 131 is only the template limit abutting against window opening template 111.Meanwhile, supporting must there is reinforcing back rib 132 at window 142 place of vibrating, utilize reinforcing back rib 132 to carry out effective supporting in the region being not provided with inner side clear water panel 131, it is to avoid window opening template structure 11 shifts.
Consulting shown in Fig. 6, the present invention two-sided clear water sloping core large span window opening construction method mainly includes following construction technology:
S001: outside sloping core, framed bent is set up;
S002: sloping core reinforcing bar, window opening sleeper and mistake beam steel bar colligation;
S003: sloping core outboard template is installed;
S004: window opening template structure is installed, checks, positioned;
S005: pre-buried window opening place vibrating head;
S006: sloping core inner side template is installed;
S007: Screw arbor with nut at both-ends fastens;
S008: pouring exposed concrete and vibrating;
S009: window opening template structural demolition and concrete curing.
Concrete construction procedure is:
Set up framed bent outside sloping core, framed bent arranges diagonal brace outside sloping core;
Colligation sloping core reinforcing bar, on sloping core reinforcing bar, colligation window opening sleeper reinforcing bar and window opening cross beam steel, form window opening installing space;
Sloping core outboard template is installed in the outside of window opening installing space, utilizes described diagonal brace to install installation sloping core outboard template;
Window opening template structure is installed in window opening installing space, is connected fixing to the reinforcing cage of window opening template structure and sloping core outboard template;
Vibrating spear is installed in the hole of vibrating of window opening template structural base, makes the lower end of vibrating spear extend downward the lower section of window opening template structure;
Sloping core inner side template is installed in the inner side of window opening installing space, makes sloping core inner side template be resisted against the inner side of window opening template structure, and in sloping core inner side template, offer the window that vibrates vibrated for vibrating head;
Sloping core inner side template and sloping core outboard template drawknot are fixed, makes formation casting space between the outside of window opening template structure and sloping core inner side template and sloping core outboard template;
In casting space, build window opening concrete, and Vibration on Start-up rod vibrates, complete that window opening is concrete builds.
Wherein, casting space includes being formed at the top casting space of described window opening template superstructure, being formed at the bottom casting space below window opening template structure and be formed at the sidepiece casting space of window opening template structure both sides, and top casting space, sidepiece casting space and bottom casting space are connected;
In casting space, build the concrete step of window opening include: in the casting space of top, build window opening concrete, and increase the concrete slump of window opening to 200mm~220mm, window opening concrete is made to trickle along window opening template structure, until completing building of bottom casting space, sidepiece casting space and top casting space, after in window opening concrete trickling to bottom casting space, vibrating head is utilized to vibrate.
The present invention utilizes sloping core original reinforcement system that window opening template structure carries out firm fixing, and is connected by the reinforcing cage within window opening template and sloping core outboard template are fixing, makes window opening template structure be able to effective fixing, does not produce displacement.The concrete slump of window opening and divergence is amplified, it is possible to ensure in the bottom casting space that window opening concrete trickles smoothly below window opening template structure by adjusting.
The construction point of the present invention two-sided clear water sloping core large span window opening construction method is as follows:
(1) draw window opening surrounding plain form manuscript, strictly press plain form manuscript and make template and installation form, and related management personnel, operator are carried out work of confiding a technological secret.
According to plain form manuscript and window opening cut-away view, installing each reinforcement system of this window opening template structure on backstage, be then assembled into " box-like " of window opening, after installation, integral hoisting positions to sloping core location site composite assembly.
(2) it is attached by increase template bar between window opening plain form and internal reinforcement flitch.Window opening plain form is connected in inside by nail with template bar, reinforces flitch and is then attached by nail and template bar, so makes window opening plain form without hole for nailing vestige.
(3) each face plain form splicing of window opening clear water adopts 45 degree of templates spelling angles to splice, and splicing angle place is fixed by little air nail, is finally completed effect and avoids the appearance of template edge vestige, improves window opening periphery clear water implementation result.
(4) between window opening top and the bottom, installing the flitch to support between left and right side, window opening forms a stable space structure system.
(5) corresponding window opening inside region not configuration template, whereabouts, the hole vibrating spear that vibrates of the 100mmx100mm that bottom window opening, template is offered, the concrete below the window opening that vibrates.
(6) because outside steel frame wooden template system is stabilising system, it is connected with outside steel frame wooden template system nail by window opening internal reinforcement flitch, namely the flitch panel with steel frame wooden template is reinforced by being connected from cassette interior nail, and then ensure that the formwork structure of whole window opening is a stabilising system, does not shift.
(7) precompression applied by Screw arbor with nut at both-ends makes window opening template structure be able to effective fixing, outside sloping core and inner side template push down window opening template, screw rod apply pressure make the two fit tightly, do not produce displacement, guarantee not dehydration spillage, also ensure that the stability of window opening template structure.
(8) outside window opening surrounding template and sloping core, steel frame wooden template and inner side dissipate and join plain form junction and paste sponge strip, and sponge strip exits window opening template edge 2mm.
(9) window opening surrounding template and outboard template flanging relation in sloping core are outboard template and inner side template pressure window opening surrounding template.
(10) the first reinforcing bar of colligation sloping core, window opening both sides sleeper and the upper and lower beam steel of window opening, after reinforcing bar binding completes, install outside steel frame wooden template, then integral installation window opening template structure, wherein below window opening, steel bar spacer serves the effect paving window opening template structure, being conducive to the positional stability of window opening template structure, finally construction inner side dissipates and joins plain form system.
(10) during casting concrete, from sloping core top blanking, along window opening both sides blanking behind concrete arrival window opening top, it is necessary to adjust and amplify slump and divergence herein so that concrete trickles to window opening lower zone.
(11) vestige finally stayed for the hole of vibrating offered bottom window opening, by later stage floating repair process so that it is reach the effect of clear-water concrete.
Window opening template structure in the present invention two-sided clear water sloping core large span window opening template system and construction method thereof have employed the way being similar to " embedded box ", window opening areas outside is stable steel frame wooden template system, surrounding is window opening stay in place form, the template of the sloping core template pressure window opening surrounding inside window opening.Corresponding window opening inside region not configuration template, it is simple to whereabouts, the hole vibrating spear that vibrates of the 100mmx100mm that vibrating spear is offered by template bottom window opening, the concrete below the window opening that vibrates.The flitch by template bar Yu reinforcing of window opening surrounding plain form novelty is attached, there is the transitional function of template bar, the formwork structure rigidity of window opening strengthens and stability in the large is strengthened, it also avoid the vestige that hole for nailing occurs on window opening surface simultaneously, substantially increase the clear-water concrete effect of window opening periphery.Between window opening top and the bottom, install the flitch to support between left and right side, solve the problem on deformation of window opening surrounding template, make the formwork structure of window opening form complete, stable, an effective system, to resist the power that concrete construction produces.Applying precompression by Screw arbor with nut at both-ends, outside is that steel frame moulding board system is closed, and the inner side reinforcing flitch by sloping core utilizes the pressure of screw rod to make window opening template structure effectively be pushed down locking, do not produce displacement.
Outside window opening surrounding template and sloping core, steel frame wooden template and inner side dissipate and join plain form junction stickup sponge strip, and sponge strip exits window opening template edge 2mm, the straight degree of window opening template is improved by the flexible material effect of sponge strip, prevent dehydration spillage, it is ensured that the clear water molding effect that these large span window hole corner angle are clearly demarcated, negative and positive angle is tall and straight.
Window opening span super large, concrete is only from window opening both sides blanking, it is necessary to adjust amplify herein slump to 200mm~220mm so that concrete is able to trickling smoothly and arrives window opening lower zone.For the vestige that the hole of vibrating offered bottom window opening finally stays, by later stage floating repair process so that it is reach the effect of clear-water concrete.
Above in association with drawings and Examples, the present invention being described in detail, the present invention can be made many variations example by those skilled in the art according to the above description.Thus, some details in embodiment should not constitute limitation of the invention, the present invention by the scope that defines using appended claims as protection scope of the present invention.

Claims (10)

1. a two-sided clear water sloping core large span window opening template system, it is characterised in that including:
Window opening template structure, including window opening template and be located at the reinforcing cage in described window opening template, the bottom of described window opening template offers for the hole of vibrating plugging vibrating head;
Sloping core outboard template, is resisted against the outside of described window opening template and fixing with described reinforcing cage is connected;
Sloping core inner side template, is resisted against the inner side of described window opening template and fixes with described sloping core outboard template drawknot, and described sloping core inner side template offers the window that vibrates vibrated for vibrating head.
2. two-sided clear water sloping core large span window opening template system as claimed in claim 1, it is characterised in that: it is provided with the lip block to support between surrounding and the described window opening template of described reinforcing cage, between described lip block and described window opening template, is further provided with liner plate.
3. two-sided clear water sloping core large span window opening template system as claimed in claim 2, it is characterized in that: described window opening template includes template bottom window opening top template, window opening and is connected to the window opening Side shuttering of template both sides bottom described window opening top template and described window opening, described in hole of vibrating be opened in bottom described window opening in template;
Described reinforcing cage include the delta wood square frame arranged along described sloping core outboard template, the top being connected to delta wood square frame and along described window opening top template-setup multiple tracks top flitch, be connected to the bottom of delta wood square frame and along flitch, the both sides being connected to flitch frame described in multilamellar and the multiple tracks side flitch arranged along described window opening Side shuttering bottom the multiple tracks of template-setup bottom described window opening;It is provided with described lip block and described liner plate between described top flitch and described window opening top template, it is provided with described lip block and described liner plate bottom described bottom flitch and described window opening between template, between described side flitch and described window opening Side shuttering, is provided with described lip block and described liner plate.
4. two-sided clear water sloping core large span window opening template system as claimed in claim 1, it is characterised in that: described sloping core outboard template includes fixing the outside clear water panel being connected and the reinforcing back frame being located at described outside self finish back with described reinforcing cage.
5. two-sided clear water sloping core large span window opening template system as claimed in claim 4, it is characterized in that: described sloping core inner side template includes the inner side clear water panel being resisted against on described window opening template and the reinforcing back rib being located at described inner side self finish back, described reinforcing back rib is fixed in the described reinforcing back frame of sloping core outboard template by Screw arbor with nut at both-ends drawknot, described outside clear water panel and offer the screw hole worn for described Screw arbor with nut at both-ends on the clear water panel of described inner side.
6. two-sided clear water sloping core large span window opening template system as claimed in claim 5, it is characterised in that: described in window place of vibrating be provided with the supporting described reinforcing back rib inside described window opening template.
7. a two-sided clear water sloping core large span window opening construction method, it is characterised in that include step:
Colligation sloping core reinforcing bar, and window opening installing space is formed in window opening place;
Sloping core outboard template is installed in the outside of window opening installing space;
The window opening template structure as described in any one in claims 1 to 3 is installed in described window opening installing space, is connected fixing to the reinforcing cage of described window opening template structure and described sloping core outboard template;
Vibrating spear is installed in the hole of vibrating of described window opening template structural base, makes the lower end of described vibrating spear extend downward the lower section of described window opening template structure;
Sloping core inner side template is installed in the inner side of described window opening installing space, makes described sloping core inner side template be resisted against the inner side of described window opening template structure, and in described sloping core inner side template, offer the window that vibrates vibrated for described vibrating head;
Described sloping core inner side template and described sloping core outboard template drawknot are fixed, makes formation casting space between the outside of described window opening template structure and described sloping core inner side template and described sloping core outboard template;
In described casting space, build window opening concrete, and start described vibrating head and vibrate, complete that described window opening is concrete builds.
8. two-sided clear water sloping core large span window opening construction method as claimed in claim 7, it is characterized in that: described casting space includes being formed at the top casting space of described window opening template superstructure, is formed at the bottom casting space below described window opening template structure and is formed at the sidepiece casting space of described window opening template structure both sides, and described top casting space, described sidepiece casting space and described bottom casting space are connected;
In described casting space, build the concrete step of window opening include: in the casting space of described top, build window opening concrete, and increase the concrete slump of described window opening to 200mm~220mm, described window opening concrete is made to trickle along described window opening template structure, until completing building of described bottom casting space, described sidepiece casting space and described top casting space.
9. two-sided clear water sloping core large span window opening construction method as claimed in claim 7, it is characterised in that: before colligation sloping core reinforcing bar, set up framed bent outside sloping core in advance, outside described sloping core, framed bent arranges diagonal brace;When being in that the outside installation sloping core outboard template of window opening installing space, described diagonal brace is utilized to install the described sloping core outboard template of installation.
10. two-sided clear water sloping core large span window opening construction method as claimed in claim 7, it is characterised in that: during colligation sloping core reinforcing bar, on described sloping core reinforcing bar, colligation window opening sleeper reinforcing bar and window opening cross beam steel, form described window opening installing space.
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