CN107035141A - A kind of mold method of floor slab back casting band - Google Patents

A kind of mold method of floor slab back casting band Download PDF

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Publication number
CN107035141A
CN107035141A CN201710408717.3A CN201710408717A CN107035141A CN 107035141 A CN107035141 A CN 107035141A CN 201710408717 A CN201710408717 A CN 201710408717A CN 107035141 A CN107035141 A CN 107035141A
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CN
China
Prior art keywords
reinforcing bar
template
post
flitch
cast strip
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Granted
Application number
CN201710408717.3A
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Chinese (zh)
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CN107035141B (en
Inventor
陈圣左
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Wenzhou Shenguang Construction Engineering Co Ltd
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Wenzhou Shenguang Construction Engineering Co Ltd
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Priority to CN201710408717.3A priority Critical patent/CN107035141B/en
Publication of CN107035141A publication Critical patent/CN107035141A/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G13/00Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills

Abstract

The invention discloses a kind of mold method of floor slab back casting band, comprise the following steps:Step one, positioning marking, step 2, colligation floor bar, step 3 welds Z axis reinforcing bar on the levels X-axis reinforcing bar of post-cast strip both sides, and the welding position of Z axis reinforcing bar is located at the opposite side of two layers of X-axis reinforcing bar up and down;Step 4, in post-cast strip part both sides installation form, template is connected between adjacent X-axis reinforcing bar and is posted by Y-axis reinforcing bar, and Z axis reinforcing bar is abutted with the side wall of template;Step 5, lays flitch, flitch supports the space of patch and closed adjacent forms upper and lower sides joining place with template in template upper and lower sides towards the side of post-cast strip part;Step 6, installs dismountable supporting member between the flitch of post-cast strip part both sides, and flitch and template are fixed.The present invention not only facilitates installing and removing for template, while can be with the fixing intensity and leakage prevention capability of effective guarantee template.

Description

A kind of mold method of floor slab back casting band
Technical field
The present invention relates to a kind of construction Technique of Late Poured Band field, more specifically it is related to a kind of formwork of floor slab back casting band Method.
Background technology
It is to prevent monolithic reinforced concrete structure because autogenous shrinkage is uneven or settles not in construction that post-cast strip, which is, Issuable harmful cracks, according to design or job specfication requirement, stay what is set to face in sole plate, wall, beam relevant position When construction joint.The width of post-cast strip is general between 700mm-1000mm.Supporting module is needed during post empiricism, i.e., rear Bandwidth both sides installation form is poured to separate the concrete of both sides.For the post empiricism of floor, plate face has generally tied up two Layer reinforcing bar, installing for conventional template ties up synchronous progress with reinforcing bar, at least must just be installed after the completion of lower floor's binding reinforcing bars Alter-pouring strips mould plate.
As shown in figure 1, the U-shaped card slot 12 above and below the conventional plank sheathing to carry U-shaped card slot 12 up and down, template is blocked respectively In on the X-axis reinforcing bar of levels, then nail on plank in the part of U-shaped card slot 12 and block unnecessary space.
Problems with is primarily present using above-mentioned formwork structure:Template width is wider, and U-shaped card slot 12 and X-axis reinforcing bar Between formed mutually limitation, during form removal, template be difficult to from intensive reinforcing bar take out;What template of the prior art had is The structure spliced again is repeatedly cut, damaged template is serious, and service life is very low.
Therefore, during the formwork erection of floor slab back casting band, how to ensure template fixation, do not leak, and conveniently Formwork erection and form removal are the problem of those skilled in the art need to overcome.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of mold method of floor slab back casting band, Not only facilitate installing and removing for template, while can be with the fixing intensity and leakage prevention capability of effective guarantee template.
To achieve the above object, the invention provides following technical scheme:A kind of mold method of floor slab back casting band, including Following steps:
Step one, positioning marking, the reserved location of post-cast strip is determined according to design and construction drawing;
Step 2, colligation floor bar, including two layers of reinforcing bar up and down, divide on the levels X-axis reinforcing bar of post-cast strip part both sides Other one Y-axis reinforcing bar of colligation, for clear and definite post-cast strip part position;It wouldn't enter for the Y-axis reinforcing bar in the part of post-cast strip Row colligation;
Step 3, welds Z axis reinforcing bar on the levels X-axis reinforcing bar of post-cast strip both sides, and adjacent Z axis reinforcing bar is in same plane, Z The welding position of axle reinforcing bar is located at the opposite side of two layers of X-axis reinforcing bar up and down;
Step 4, in post-cast strip part both sides installation form, template is independent platy structure, and template is connected in adjacent X-axis reinforcing bar Between and be posted by Y-axis reinforcing bar, and Z axis reinforcing bar is abutted with the side wall of template;
Flitch is laid in step 5, the side towards post-cast strip part on the downside of template, and flitch supports patch and closed adjacent mould with template The space of joining place on the downside of plate;
Flitch is laid in step 6, the side towards post-cast strip part on the upside of template, and flitch is supported on X-axis reinforcing bar, flitch with Template supports the space of joining place on the upside of patch and closed adjacent forms;
Step 7, installs dismountable supporting member between the flitch of post-cast strip part both sides, and flitch and template are fixed.
By using above-mentioned technical proposal, in formwork erection, the Y-axis reinforcing bar of post-cast strip part both sides is used against Template, because Z axis reinforcement welding is on bilevel X-axis reinforcing bar, adjacent X-axis is being connected in by the template of independent platy structure When between reinforcing bar, Z axis reinforcing bar just can be used for the gap for blocking joining place in the middle part of adjacent forms;Then wood is placed above and below Side, and dismountable supporting member is installed between the flitch of both sides, by supporting member simultaneously by the mould of post-cast strip part both sides Plate is compressed, while sealing the gap of adjacent forms upper and lower sides joining place with flitch, has ensured the leakproof of template.Pass through support Component shores template and template is fixed, and the effect of shoring of the side template of post-cast strip two can be released simultaneously by removing supporting member, side Just template is dismantled.Using said structure, after flitch is removed, template directly can be taken out between adjacent X-axis reinforcing bar, it is to avoid violence Remove so that during form removal, template is hardly damaged, and improves template service life.
The present invention is further arranged to:Y-axis reinforcing bar and X-axis reinforcing bar point of intersection court of the Z axis reinforcement welding in post-cast strip both sides The position of post-cast strip side.
By using above-mentioned technical proposal, when template is hooked in Y-axis reinforcing bar, due to Z axis reinforcement welding in X-axis reinforcing bar with The position of the inclined post-cast strip side of Y-axis reinforcing bar intersection point, therefore Z axis reinforcing bar can abut fully with the side of template, on the one hand improve Sealing, on the other hand when not installing flitch, master plate side and the conflict effect of Z axis reinforcing bar are used to template progress Pre-fix.Also, for fixation can be poured together with concrete in casting concrete for the Y-axis reinforcing bar that template is hooked. During form removal, Y-axis reinforcing bar is difficult to peel off from the concrete floor for pour shaping.
The present invention is further arranged to:The supporting member includes the thread bush for being articulated with flitch, and is connected to screw thread The screw rod of set, the middle part of screw rod is provided with hexagonal switch block, and the one end of screw rod away from thread bush is provided with support plate.
By using above-mentioned technical proposal, supporting member is articulated with flitch, can carry out folding and unfolding by rotating, reduce to wood The influence that side is installed;After flitch is in place, thread bush and screw rod are turned to flitch into plumbness, pass through spanner Rotate hexagonal switch block so that screw rod is produced from thread bush, and the flitch of post-cast strip opposite side is supported by support plate, so that Complete template fixation, with to template fix it is more easy the characteristics of.
The present invention is further arranged to:The support plate is to be rotatably connected with screw rod.
By using above-mentioned technical proposal, hexagonal switch block is further rotated after support plate is contacted with flitch and causes support When disk holds out against flitch, support plate is to be rotatably connected with screw rod, therefore support plate can be avoided to produce friction with flitch so that installed Process is more laborsaving, it also avoid causing flitch damage.
The present invention is further arranged to:The flitch is provided with the groove being embedded in for screw rod and thread bush.
By using above-mentioned technical proposal, when laying flitch, thread bush and screw rod are all flush-mounted in groove so that flitch Volume do not increase, be easy to flitch to lay.
The present invention is further arranged to:The flitch is segmental structure.
By using above-mentioned technical proposal, flitch is that segmental structure is placed one by one, is easy to flitch to lay and remove.
The present invention is further arranged to:The both sides of the template are provided with anti-sticking layer.
By using above-mentioned technical proposal, anti-sticking layer is all set in the both sides of template so that template can be used with positive and negative, and It is difficult and concrete binding, is easy to later stage form removal.
The present invention is further arranged to:Lid dress plastic cloth on the part of post-cast strip is additionally included in after step 7 and carries out waterproof guarantor Shield.
By using above-mentioned technical proposal, for outdoor post-cast strip, rain-proof effect can be played by covering dress plastic cloth, is made The reinforcing bar for obtaining post-cast strip part is not oxidizable, more preferably ensures construction quality.
In summary, installing and removing for template is not only facilitated the invention provides a kind of, while can be with effective guarantee mould The fixing intensity of plate and the alter-pouring strips mould plate erection method of leakage prevention capability.
Brief description of the drawings
Fig. 1 is the structural representation of template in the prior art;
Fig. 2 is the schematic diagram of the present embodiment saliency model sheetinstallat position;
Fig. 3 is the enlarged diagram at A in Fig. 2;
Fig. 4 is the schematic diagram of the present embodiment saliency molding plate fixed structure;
Fig. 5 is the structural representation of flitch in the present embodiment.
Description of reference numerals:1st, post-cast strip part;2nd, X-axis reinforcing bar;3rd, Y-axis reinforcing bar;4th, Z axis reinforcing bar;5th, template;6th, it is wooden Side;7th, groove;8th, thread bush;9th, screw rod;10th, hexagonal switch block;11st, support plate;12nd, U-shaped card slot.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Present embodiment discloses a kind of mold method of floor slab back casting band, as shown in Fig. 2 being partly between two side templates 5 Post-cast strip part 1, which is stayed, sets position.
This method is mainly included the following steps that:
1. determine that staying for post-cast strip part 1 sets position according to construction drawing, in colligation floor bar to the Y of post-cast strip part 1 Axle reinforcing bar 3 is reserved wouldn't to carry out colligation, after carrying out colligation after the concrete setting of post-cast strip both sides again;X-axis reinforcing bar 2 runs through post-cast strip Part 1 is set, and one Y-axis reinforcing bar 3 of colligation is distinguished on the levels X-axis reinforcing bar 2 of the both sides of post-cast strip part 1, passes through post-cast strip The Y-axis reinforcing bar 3 of both sides determines that staying for post-cast strip part 1 sets position, is that template 5 sets up perfecting program below.
2. Z axis reinforcing bar 4, adjacent Z axis as shown in Figure 2,3, are welded on the levels X-axis reinforcing bar 2 of the both sides of post-cast strip part 1 Reinforcing bar 4 is in same plane, and the welding position of Z axis reinforcing bar 4 is located at the opposite side of two layers of X-axis reinforcing bar 2 up and down;And be preferably placed at X-axis reinforcing bar 2 is inclined to the position of post-cast strip part 1 with the intersection point of Y-axis reinforcing bar 3.
3. installation form 5, template 5 is independent platy structure, template 5 is hooked on Y-axis reinforcing bar 3, while the side wall of template 5 Abutted with Z axis reinforcing bar 4;The space of the middle part joining place of adjacent forms 5 can be closed by Z axis reinforcing bar 4;When setting up by template 5 from Top is put into and rapped between adjacent X-axis reinforcing bar 2.
4. flitch 6 is laid in the both sides up and down for as shown in Figure 4,5, being additionally included in template 5, flitch 6 is segmental structure, can be section by section Lay;The side of flitch 6 sets in fluted 7, groove 7 and is rotatably connected to spiral shell in a thread bush 8, thread bush 8 by riveting pin Line is connected with screw rod 9, and screw rod 9 includes being located at middle part hexagonal switch block 10 and the support plate 11 positioned at end, support plate 11 and spiral shell By installing bearing additional so that both form rotatable connection between bar 9.Flitch 6 is being placed in above and below the both sides of post-cast strip part 1 During part, by template 5 compress and closed adjacent forms both sides cohesive position about 5 space.
Install after flitch 6, thread bush 8 and screw rod 9 are produced into groove 7, and 10 turns of hexagonal switch block is stuck in by spanner Dynamic screw rod 9 so that screw rod 9 outwards produces thread bush 8 so that the total length of thread bush 8 plus screw rod 9 increases, and passes through support plate 11 hold out against the flitch 6 of opposite side, and the flitch 6 of opposite side may be selected conventional timber and constitute.
For the safeguard measure after formwork, it is included in the lid dress plastic cloth of post-cast strip part 1, plays the purpose of rain cover.
Form removal process is, rotates hexagonal switch block 10, releases shore effect of the screw rod 9 to both sides flitch 6, and takes out flitch 6, Template 5 is tapped out, template 5 is taken out from top.
For template 5, when mounted, releasing agent formation anti-sticking layer is first painted in the both sides of template 5 so that during later stage form removal It is more convenient.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, all design structures in the present invention Within think of, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.

Claims (8)

1. a kind of mold method of floor slab back casting band, it is characterised in that comprise the following steps:
Step one, positioning marking, the reserved location of post-cast strip is determined according to design and construction drawing;
Step 2, colligation floor bar, including two layers of reinforcing bar up and down, in post-cast strip part(1)The levels X-axis reinforcing bar of both sides (2)Upper one Y-axis reinforcing bar of colligation respectively(3), for clear and definite post-cast strip part(1)Position;For post-cast strip part(1)In Y-axis reinforcing bar(3)Colligation wouldn't be carried out;
Step 3, the levels X-axis reinforcing bar in post-cast strip both sides(2)Upper welding Z axis reinforcing bar(4), adjacent Z axis reinforcing bar(4)It is in Same plane, Z axis reinforcing bar(4)Welding position be located at up and down two layers of X-axis reinforcing bar(2)Opposite side;
Step 4, in post-cast strip part(1)Both sides installation form(5), template(5)For independent platy structure, template(5)It is connected in Adjacent X-axis reinforcing bar(2)Between and be posted by Y-axis reinforcing bar(3)On, and Z axis reinforcing bar(4)With template(5)Side wall abut;
Step 5, in template(5)Downside is towards post-cast strip part(1)Side lay flitch(6), flitch(6)With template(5)Support Paste and closed adjacent forms(5)The space of downside joining place;
Step 6, in template(5)Upside is towards post-cast strip part(1)Side lay flitch(6), flitch(6)It is supported in X-axis steel Muscle(2)On, flitch(6)With template(5)To patch and closed adjacent forms(5)The space of upside joining place;
Step 7, in post-cast strip part(1)The flitch of both sides(6)Between dismountable supporting member is installed, to flitch(6)And template (5)It is fixed.
2. a kind of mold method of floor slab back casting band according to claim 1, it is characterised in that:Z axis reinforcing bar(4)It is welded in The Y-axis reinforcing bar of post-cast strip both sides(3)With X-axis reinforcing bar(2)Position of the point of intersection towards post-cast strip side.
3. a kind of mold method of floor slab back casting band according to claim 1, it is characterised in that:The supporting member includes It is articulated with flitch(6)Thread bush(8), and it is connected to thread bush(8)Screw rod(9), screw rod(9)Middle part provided with hexagonal turn Block(10), screw rod(9)Away from thread bush(8)One end be provided with support plate(11).
4. a kind of mold method of floor slab back casting band according to claim 3, it is characterised in that:The support plate(11)With Screw rod(9)For rotatable connection.
5. a kind of mold method of floor slab back casting band according to claim 4, it is characterised in that:The flitch(6)On set Supply screw rod(9)And thread bush(8)The groove of setting-in(7).
6. a kind of mold method of floor slab back casting band according to claim 1, it is characterised in that:The flitch(6)To divide Segment structure.
7. a kind of mold method of floor slab back casting band according to claim 1, it is characterised in that:The template(5)Two Side is provided with anti-sticking layer.
8. a kind of mold method of floor slab back casting band according to claim 1, it is characterised in that:It is additionally included in after step 7 Post-cast strip part(1)Upper lid dress plastic cloth carries out waterproofing protection.
CN201710408717.3A 2017-06-02 2017-06-02 A kind of mold method of floor slab back casting band Active CN107035141B (en)

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN109025267A (en) * 2018-08-13 2018-12-18 中建二局第建筑工程有限公司 A kind of tool-type post-cast strip side form support system
CN109057323A (en) * 2018-09-04 2018-12-21 广东蕉岭建筑工程集团有限公司 Post-cast strip closing-in mould component and post-cast strip closing method
CN109537881A (en) * 2018-11-23 2019-03-29 宁波市建筑设计研究院有限公司 A kind of mold method of floor slab back casting band and its template used
CN110306789A (en) * 2019-06-29 2019-10-08 中国二十二冶集团有限公司 Roof board post poured band side template installs construction method

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109025267A (en) * 2018-08-13 2018-12-18 中建二局第建筑工程有限公司 A kind of tool-type post-cast strip side form support system
CN109057323A (en) * 2018-09-04 2018-12-21 广东蕉岭建筑工程集团有限公司 Post-cast strip closing-in mould component and post-cast strip closing method
CN109537881A (en) * 2018-11-23 2019-03-29 宁波市建筑设计研究院有限公司 A kind of mold method of floor slab back casting band and its template used
CN110306789A (en) * 2019-06-29 2019-10-08 中国二十二冶集团有限公司 Roof board post poured band side template installs construction method
CN110306789B (en) * 2019-06-29 2021-04-30 中国二十二冶集团有限公司 Construction method for erecting side template of roof post-cast strip

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