CN111042553A - Construction method of reinforcement protection structure for temporarily sealing post-cast strip - Google Patents
Construction method of reinforcement protection structure for temporarily sealing post-cast strip Download PDFInfo
- Publication number
- CN111042553A CN111042553A CN201911346016.7A CN201911346016A CN111042553A CN 111042553 A CN111042553 A CN 111042553A CN 201911346016 A CN201911346016 A CN 201911346016A CN 111042553 A CN111042553 A CN 111042553A
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- post
- cast strip
- template
- water retaining
- protection structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/28—Safety or protective measures preventing damage to building parts or finishing work during construction against unfavourable weather influence
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/30—Safety or protective measures preventing damage to building parts or finishing work during construction against mechanical damage or dirt, e.g. guard covers of stairs
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention relates to building construction, in particular to a construction method of a reinforcement protection structure for temporarily sealing a post-cast strip, which comprises the following steps: building water retaining ridges on two sides of the post-cast strip by using solid bricks; covering a template reinforced by a support frame on the upper part and the lower part of the water retaining bank, enabling the middle part of the template to vertically correspond to the post-cast strip, and enabling the two sides of the template to exceed the water retaining bank; waterproof mortar is arranged on two sides of the water retaining ridge to seal a gap between the water retaining ridge and the template, and the waterproof mortar is arranged at an oblique angle of 35-55 degrees; painting warning patterns on the upper surface of the template; the disassembly process comprises the following steps: removing the mortar; and (5) moving the template away from the water retaining ridge and moving away the water retaining ridge. The reinforcement protection structure for the temporary sealing of the post-cast strip, which is built by the construction method, can be built quickly and is very easy to remove, and meanwhile, the reinforcement protection structure for the temporary sealing of the post-cast strip also has higher stability and waterproof performance due to the adoption of mortar, so that the reinforcement in the post-cast strip is protected well.
Description
Technical Field
The invention relates to building construction, in particular to a construction method of a reinforcement protection structure for temporarily sealing a post-cast strip.
Background
The post-cast strip is a temporary construction joint reserved at the corresponding position of a foundation slab, a wall and a beam according to the design or construction specification requirement in order to prevent a possibly generated harmful crack of a cast-in-place reinforced concrete structure due to nonuniform self shrinkage or nonuniform settlement in the building construction. From this, the reinforcing bar in the post-cast strip exposes outside in a period, if this construction site is open-air place, rainwater can get into the post-cast strip, causes corrosion, destruction to the reinforcing bar in the post-cast strip, and this has caused unfavorable influence to building construction quality. Therefore, a post-cast strip steel bar protection scheme which is easy to disassemble, firm and capable of ensuring that rainwater cannot enter a post-cast strip is needed at present.
Disclosure of Invention
The invention aims to provide a construction method of a reinforcement protection structure for temporarily sealing a post-cast strip, which is easy and firm to disassemble and can ensure that rainwater cannot enter the post-cast strip, and the construction method comprises the following steps:
s1, building water retaining ridges on two sides of a post-cast strip by using solid bricks;
s2, covering a template reinforced by a support frame on the upper part and the lower part of the water retaining bank, enabling the middle part of the template to vertically correspond to the post-cast strip, and enabling two sides of the template to exceed the water retaining bank;
s3, arranging waterproof mortar on two sides of the water retaining ridge, sealing a gap between the water retaining ridge and the template, and arranging the waterproof mortar according to an oblique angle of 35-55 degrees;
s4, painting a warning pattern on the upper surface of the template;
the disassembly process comprises the following steps:
s5, removing the mortar;
and S6, moving the template away from the water retaining ridge and moving away the water retaining ridge.
The reinforcement protection structure for the temporary sealing of the post-cast strip, which is built by the construction method, can be built quickly and is very easy to remove, and meanwhile, the reinforcement protection structure for the temporary sealing of the post-cast strip also has higher stability and waterproof performance due to the adoption of mortar, so that the reinforcement in the post-cast strip is protected well.
Specifically, the formwork is a faced wood plywood formed by covering the surface of a wood plywood with a rubber pad layer with an anti-skid groove, and the support frame is fixed on the lower side of the formwork through screws. Therefore, the template can be protected, and better waterproof and anti-seepage effects can be achieved simultaneously.
Specifically, when the formwork is covered, the two sides of the rubber cushion layer on the formwork are provided with downward extending parts, the downward extending parts form flanges, and when the waterproof mortar is arranged, the flanges are embedded in the waterproof mortar. Thus, the reversed bank structure is formed, and the waterproof performance is improved.
Specifically, the grade of the waterproof mortar beside the water retaining ridge is not lower than M5, and 2.8-3.2% of a waterproof agent is doped into the waterproof mortar.
Specifically, the support frame is a wood purlin, the wood purlin is arranged along the width direction of the post-cast strip, and the distance between every two adjacent wood purlin is less than or equal to 400 mm; the wood balk connects a plurality of templates into a template group arranged along the extension direction of the post-cast strip, and the template group is lapped on the water retaining bank.
Specifically, when the template group is assembled, the height of the wood purlin and the distance between the bottom surface of the template and the post-cast steel bars are determined, the upper surface of the wood purlin in contact with the template is polished to be flat, and after the space between the wood purlin and the width of the post-cast strip are determined, the templates are arranged and aligned along the length direction of the wood purlin and attached to the wood purlin and then fixed through screws.
The invention also provides a reinforcement protection structure for temporarily sealing a post-cast strip, which comprises:
the templates are positioned above the post-cast strip steel bars and arranged along the extension direction of the post-cast strip;
the supporting frame extends along the direction of the post-cast strip and is arranged on the bottom surface of the template and used for connecting the arranged templates into a whole, and a gap is reserved between the bottom surface of the supporting frame and the steel bar;
the water retaining ridges are positioned on the poured concrete bases on the two sides of the post-cast strip, and the upper ends of the water retaining ridges are in lap joint with the two sides of the template so as to support the template;
the waterproof mortar slope is located on the outer side of the water retaining ridge, and the inner side of the waterproof mortar slope is abutted to the water retaining ridge.
Through setting up foretell be used for post-cast strip temporary sealing's reinforcing bar protection architecture, played better to the interim guard action of post-cast strip reinforcing bar, and through the combination of adopting foretell template and support frame, not only cover the post-cast strip together with the waterproof mortar slope, when dismantling, only need demolish the waterproof mortar slope, with the template from the manger plate bank on remove can, convenient, simple.
Furthermore, the side edge of the template extends out of the water retaining ridge, and the waterproof mortar slope is connected with the extending part of the template.
Furthermore, the distance between the adjacent support frames is less than or equal to 400mm, and the thickness of the template is less than or equal to 50mm and is less than or equal to 30 mm.
Furthermore, the slope surface of the waterproof mortar slope is inclined by 35-55 degrees compared with the horizontal surface.
Furthermore, the angle of inclination of the upper surface of the template compared with the horizontal plane is less than or equal to 10 degrees.
Further, the template comprises a waterproof layer and a template main body from top to bottom in sequence; the waterproof layer is a PE waterproof plate attached to the template main body, or the waterproof layer is a rubber plate attached to the template main body.
Further, the formwork main body is a wooden plate or a steel plate.
Further, the template is a faced wood plywood.
Further, the support frame is a wood purlin, and the wood purlin is arranged on the bottom surface of the template along the width direction of the post-cast strip and connected with the bottom surface of the template through screws.
Furthermore, the side edge of the template is provided with a flange extending downwards and used for forming a reversed ridge structure with the waterproof mortar slope. Like this with further improve this a reinforcing bar protection architecture waterproof performance for post-cast strip seals temporarily, prevent that the rainwater from infiltrating into in the cavity on post-cast strip from mortar one side.
The invention is further described with reference to the following figures and detailed description. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description. Or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to assist in understanding the invention, and are included to explain the invention and their equivalents and not limit it unduly. In the drawings:
fig. 1 is a schematic view of a reinforcement protection structure for temporarily closing a post-cast strip according to a first embodiment;
fig. 2 is a schematic view of a reinforcement protection structure for temporarily closing a post-cast strip according to a second embodiment;
labeled as: 1-template, 110-waterproof layer, 111-flange, 120-template main body, 2-wood balk, 3-water retaining ridge, 4-waterproof mortar slope and 5-steel bar in post-cast strip.
Detailed Description
The invention will be described more fully hereinafter with reference to the accompanying drawings. Those skilled in the art will be able to implement the invention based on these teachings. Before the present invention is described in detail with reference to the accompanying drawings, it is to be noted that:
the technical solutions and features provided in the present invention in the respective sections including the following description may be combined with each other without conflict.
Moreover, the embodiments of the present invention described in the following description are generally only examples of a part of the present invention, and not all examples. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention.
With respect to terms and units in the present invention. The term "comprises" and any variations thereof in the description and claims of this invention and the related sections are intended to cover non-exclusive inclusions.
Referring to fig. 1, in the first embodiment: a rebar protection structure for post-cast strip temporary closure, comprising:
the template 1 is positioned above the post-cast strip steel bars and arranged along the extension direction of the post-cast strip;
the wood purlin 2 extends along the post-cast strip direction and is arranged on the bottom surface of the template 1 and used for connecting the arranged templates 1 into a whole, and a gap is reserved between the bottom surface of the wood purlin 2 and the reinforcing steel bar 5;
the water retaining ridges 3 are positioned on the poured concrete bases on the two sides of the post-cast strip, and the upper ends of the water retaining ridges 3 are in lap joint with the two sides of the formwork 1 to support the formwork 1;
the waterproof mortar slope 4, this waterproof mortar slope 4 is located the outside of manger plate bank 3, and this waterproof mortar slope 4 inboard butt manger plate bank 3.
Through setting up foretell be used for post-cast strip closed reinforcing bar protection architecture temporarily, played better to the interim guard action of post-cast strip reinforcing bar, and through the combination that adopts foretell template 1 and wood tree 2, not only cover the post-cast strip together with waterproof mortar slope 4, when dismantling, only need demolish waterproof mortar slope 4, with template 1 from manger plate bank 3 go up remove can, convenient, simple.
The side edge of the template 1 extends out of the water retaining ridge 3, and the waterproof mortar slope 4 is connected with the extending part of the template 1. Therefore, the sealing performance and the waterproof performance are high. The distance between the adjacent wood purlin 2 is less than or equal to 400mm, and the thickness of the template is less than or equal to 50mm and less than or equal to 30 mm. If the distance between the wood beams 2 is too wide, the effect of supporting strength of the template 1 is not good, namely the thickness of the template 1 needs to be provided to compensate, but the weight of the template 1 is increased, if the distance is too narrow, the weight of a structure formed by the template 1 and the wood beams 2 is greatly improved, and the disassembly and the assembly are not inconvenient, so that the control distance of the wood beams 2 is not more than 400mm, and the thickness of the template is not less than 30mm and not more than 50mm, which is most suitable.
The slope surface of the waterproof mortar slope 4 is inclined by 35-55 degrees compared with the horizontal surface. Under this inclination, this side waterproof mortar's firm effect is better. Preferably, the upper surface of the formwork 1 is inclined at an angle of 10 ° or less with respect to the horizontal. This facilitates the smooth drainage of water from the surface of the formwork 1, and the angle of the upper surface of the formwork 1 may be set to gradually slightly decrease or increase the water-proof layer 110 described below on the formwork 1.
The template 1 sequentially comprises a waterproof layer 110 and a template main body 120 from top to bottom; the waterproof layer 110 may be a PE waterproof sheet attached to the form body 120, or the waterproof layer 110 may be a rubber sheet attached to the form body 120. Of course, it is also possible to provide the formwork body 120 as a wooden plate or a steel plate. The formwork 1 is here preferably provided as faced wood veneer.
The wood purlin 2 is arranged on the bottom surface of the template 1 along the width direction of the post-cast strip and is connected with the bottom surface of the template 1 through screws.
As shown in fig. 2, example two: in another embodiment, on the basis of the above structure, the formwork 1 is provided with a downwardly extending flange 111 at a side thereof for forming a reverse ridge structure with the waterproof mortar slope 4. Like this with further improve this a reinforcing bar protection architecture waterproof performance for post-cast strip seals temporarily, prevent that the rainwater from infiltrating into in the cavity on post-cast strip from mortar one side.
The construction method for the reinforcement protection structure temporarily closed by the post-cast strip according to the first embodiment includes the following steps:
s1, building water retaining ridges on two sides of a post-cast strip by using solid bricks;
s2, a template reinforced by wood purlin is arranged above and below the upper cover of the water retaining ridge, the middle of the template vertically corresponds to the post-cast strip, and two sides of the template exceed the water retaining ridge;
s3, arranging waterproof mortar on two sides of the water retaining ridge, sealing a gap between the water retaining ridge and the template, and arranging the waterproof mortar according to an oblique angle of 35-55 degrees;
s4, painting a warning pattern on the upper surface of the template;
the disassembly process comprises the following steps:
s5, removing the mortar;
and S6, moving the template away from the water retaining ridge and moving away the water retaining ridge.
The reinforcement protection structure for the temporary sealing of the post-cast strip, which is built by the construction method, can be built quickly and is very easy to remove, and meanwhile, the reinforcement protection structure for the temporary sealing of the post-cast strip also has higher stability and waterproof performance due to the adoption of mortar, so that the reinforcement in the post-cast strip is protected well.
Specifically, when the formwork is covered, the two sides of the rubber cushion layer on the formwork are provided with downward extending parts, the downward extending parts form flanges, and when the waterproof mortar is arranged, the flanges are embedded in the waterproof mortar.
The grade of the waterproof mortar beside the water retaining ridge is not lower than M5, and 2.8-3.2% of waterproof agent is added into the waterproof mortar.
The wood balk connects a plurality of templates into a template group arranged along the extension direction of the post-cast strip, and the template group is lapped on the water retaining bank. When the template group is assembled, the height of the wood purlin and the distance between the bottom surface of the template and the post-cast steel bars are determined, the upper surface of the wood purlin in contact with the template is polished to be flat, and after the spacing between the wood purlin and the width of the post-cast strip are determined, the templates are arranged and aligned along the length direction of the wood purlin, attached to the wood purlin and fixed through screws. Preferably, after the wood purlin is installed, the bottom surface of the wood purlin is lower than the bottom surface of the water retaining ridge.
The contents of the present invention have been explained above. Those skilled in the art will be able to implement the invention based on these teachings. All other embodiments, which can be derived by a person skilled in the art from the above description without inventive step, shall fall within the scope of protection of the present invention.
Claims (7)
1. A construction method of a reinforcement protection structure for temporarily closing a post-cast strip is characterized in that,
the construction method comprises the following steps:
s1, building water retaining ridges on two sides of a post-cast strip by using solid bricks;
s2, covering a template reinforced by a support frame on the upper part and the lower part of the water retaining bank, enabling the middle part of the template to vertically correspond to the post-cast strip, and enabling two sides of the template to exceed the water retaining bank;
s3, arranging waterproof mortar on two sides of the water retaining ridge, sealing a gap between the water retaining ridge and the template, and arranging the waterproof mortar according to an oblique angle of 35-55 degrees;
s4, painting a warning pattern on the upper surface of the template;
the disassembly process comprises the following steps:
s5, removing the mortar;
and S6, moving the template away from the water retaining ridge and moving away the water retaining ridge.
2. A method of constructing a reinforcing bar protecting structure for a post-cast strip temporary closure as claimed in claim 1, wherein the form is a wood veneer covered with a rubber mat layer having an anti-slip groove on the surface of the wood veneer, and the supporting frame is fixed to the lower side of the form by a screw.
3. A reinforcing bar protecting structure constructing method for post-cast strip temporary closure according to claim 2, wherein when said form is coated, both sides of the rubber mat layer on the form are provided with downwardly extending portions forming flanges, and when the waterproof mortar is provided, the flanges are buried in the waterproof mortar.
4. A reinforcing bar protection structure construction method for post-cast strip temporary closure according to claim 1, wherein the grade of the waterproof mortar beside the weir is not less than M5, and the waterproof mortar is doped with 2.8-3.2% of a waterproof agent.
5. A reinforcing bar protection structure construction method for post-cast strip temporary closure according to claim 1, wherein the waterproof mortar is doped with 3% waterproof agent.
6. The construction method of the reinforcement protection structure for the temporary closure of the post-cast strip according to claim 1, wherein the support frame is wood purlin, the wood purlin is arranged along the width direction of the post-cast strip, and the distance between adjacent wood purlin is less than or equal to 400 mm; the wood balk connects a plurality of templates into a template group arranged along the extension direction of the post-cast strip, and the template group is lapped on the water retaining bank.
7. The construction method of the reinforcement protection structure for the temporary closure of the post-cast strip according to claim 6, wherein when the template group is assembled, the height of the wood purlin and the distance between the bottom surface of the template and the post-cast strip reinforcement are determined, the upper surface of the wood purlin in contact with the template is polished to be flat, and after the space between the wood purlin and the width of the post-cast strip are determined, the templates are aligned in the length direction of the wood purlin and attached to the wood purlin and then fixed by screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911346016.7A CN111042553A (en) | 2019-12-24 | 2019-12-24 | Construction method of reinforcement protection structure for temporarily sealing post-cast strip |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911346016.7A CN111042553A (en) | 2019-12-24 | 2019-12-24 | Construction method of reinforcement protection structure for temporarily sealing post-cast strip |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431088A (en) * | 2020-11-28 | 2021-03-02 | 中实翊(福建)建设工程有限公司 | Sponge city municipal rainwater utilization system |
| CN113482179A (en) * | 2021-06-21 | 2021-10-08 | 五冶集团上海有限公司 | Construction method for building post-cast strip hard isolation closed side water retaining bank |
| CN115787744A (en) * | 2022-11-25 | 2023-03-14 | 中国五冶集团有限公司 | Box-type foundation basement advanced water stop structure |
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| CN207420066U (en) * | 2017-09-19 | 2018-05-29 | 中建八局第二建设有限公司 | A kind of horizontal post-cast strip temporary blocking device |
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| CN205654108U (en) * | 2016-03-18 | 2016-10-19 | 中国建筑第八工程局有限公司 | Detachable post -cast strip protection device |
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| CN112431088A (en) * | 2020-11-28 | 2021-03-02 | 中实翊(福建)建设工程有限公司 | Sponge city municipal rainwater utilization system |
| CN113482179A (en) * | 2021-06-21 | 2021-10-08 | 五冶集团上海有限公司 | Construction method for building post-cast strip hard isolation closed side water retaining bank |
| CN115787744A (en) * | 2022-11-25 | 2023-03-14 | 中国五冶集团有限公司 | Box-type foundation basement advanced water stop structure |
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Application publication date: 20200421 |