KR100301364B1 - Synthetic resin foaming agent for stopping lower gap of architectural form - Google Patents
Synthetic resin foaming agent for stopping lower gap of architectural form Download PDFInfo
- Publication number
- KR100301364B1 KR100301364B1 KR1019980016158A KR19980016158A KR100301364B1 KR 100301364 B1 KR100301364 B1 KR 100301364B1 KR 1019980016158 A KR1019980016158 A KR 1019980016158A KR 19980016158 A KR19980016158 A KR 19980016158A KR 100301364 B1 KR100301364 B1 KR 100301364B1
- Authority
- KR
- South Korea
- Prior art keywords
- synthetic resin
- lower gap
- foaming agent
- formwork
- resin foaming
- Prior art date
Links
- 229920003002 synthetic resin Polymers 0.000 title claims abstract description 12
- 239000000057 synthetic resin Substances 0.000 title claims abstract description 12
- 239000004088 foaming agent Substances 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000005187 foaming Methods 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 238000009415 formwork Methods 0.000 claims description 22
- 239000006260 foam Substances 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 238000007596 consolidation process Methods 0.000 description 3
- 239000006261 foam material Substances 0.000 description 3
- 238000006703 hydration reaction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
Description
본 발명은 건축용 거푸집 하부틈새 막음용 합성수지 발포재에 관한 것이며, 특히 벽과 같은 수직 거푸집의 내측면 하단에 장착됨으로써 콘크리트의 경화시 수화반응에 필요한 물이 빠져나오는 것을 방지할 수 있도록 한 건축용 거푸집 하부틈새 막음용 합성수지 발포재에 관한 것이다.The present invention relates to a synthetic resin foam for blocking the bottom of the building formwork, and in particular, it is mounted on the bottom of the inner side of the vertical formwork, such as a wall to prevent the escape of water required for the hydration reaction during the curing of concrete It relates to a synthetic resin foam for sealing gaps.
종래 건축물의 벽체, 특히 내력벽은 설계치수에 맞게 단일 재료인 합판 등을 재단하여 이를 바닥슬라브 위에 복수개 전후면 나란히 입설함으로써 소정의 벽체형성 공간을 만들고 그 내부에 콘크리트 페이스트를 타설한 후 이를 경화시키고 거푸집을 탈형함으로써 완성된다.Walls of conventional buildings, especially load bearing walls, are cut into plywood, which is a single material, in accordance with design dimensions, and placed in a plurality of front and rear sides side by side on a floor slab to create a predetermined wall formation space, cast concrete paste therein, and then harden and form It is completed by demolding.
콘크리트를 타설하여 내력벽과 같은 구조체를 구축함에 있어서 특히 문제로 되는 점은 콘크리트의 재료분리 내지는 벽체 전체에 걸쳐 압밀성이 부족한 상태로 타설될 염려가 있다는 점이며, 특히 벽체가 바닥과 닿는 틈새를 통해 콘크리트의 수화반응에 필요한 물이 빠져나옴으로써 벽체 전체는 물론이고 특히 바닥과 닿는 부위에서의 경화가 불충분해질 뿐만 아니라 압밀성이 부족하여 성긴 부분이 생김으로써 역학적으로 불량해지는 점이 문제로 된다. 이러한 현상은 타설되는 콘크리트의 슬럼프값을 규정된 값으로 유지하지 못할 경우 더욱 현저하다. 종래 이러한 문제를 해결하기 위하여 바닥과 닿는 거푸집 외측면 모서리에 시멘트 몰탈을 바름으로써 누수를 막기도 하였으나 이는 별도의 작업공수와 재료가 드는 방법이고 또한 거푸집 탈형을 어렵게 만드는 요인로 작용한다.Particularly problematic in constructing a structure such as a bearing wall by pouring concrete is that there is a possibility that the concrete is placed in a state of lack of consolidation throughout the material separation of the concrete or the entire wall. As the water required for the hydration of concrete escapes, not only hardening of the entire wall but also the floor and the bottom thereof is insufficient, as well as lack of consolidation, resulting in sparse parts, resulting in poor mechanical properties. This phenomenon is more pronounced when the slump of concrete being poured cannot be maintained at the prescribed value. Conventionally, in order to solve this problem, the cement mortar is applied to the edge of the mold outer surface in contact with the floor to prevent the leakage, but this is a method that requires a separate work maneuver and material, and also acts as a factor that makes the mold demoulding difficult.
본 발명은 벽과 같은 수직 거푸집에 타설되는 콘크리트 페이스트 내의 물이 거푸집 하부 틈새로 누출되는 것을 방지할 수 있도록 함과 아울러 거푸집 탈형작업을 쉽게 할 수 있도록 하는 건축용 거푸집 내부 하단에 삽착되는 하부틈새 막음용 합성수지 발포재를 제공함을 목적으로 한다.The present invention is to prevent the leakage of the water in the concrete paste to be placed in the vertical formwork, such as a wall to prevent leakage of the formwork, as well as to prevent the lower gap inserted into the bottom of the building formwork to facilitate the formwork of the formwork. It is an object to provide a synthetic resin foam.
도 1은 본 발명에 따르는 건축용 거푸집 하부틈새 막음용 합성수지 발포재의 적용예를 도시한 거푸집 시공단면도이다.1 is a cross-sectional view of a formwork construction showing an application example of a synthetic resin foam for blocking the construction formwork bottom gap according to the present invention.
도 2는 본 발명에 따른 건축용 거푸집 하부틈새 막음용 합성수지 발포재의 사시도이다.Figure 2 is a perspective view of a synthetic foam foam for blocking the lower formwork for building according to the present invention.
<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>
2 : 합성수지 발포재 2A : 저면2: synthetic foam material 2A: bottom
4 : 거푸집 6 : 바닥 슬라브4: formwork 6: floor slab
본 발명에 따른 건축용 거푸집 하부틈새 막음용 합성수지 발포재는 PVC, ABS, PS, PP 또는 PE와 같은 폴리머를 기재(基材)로 하고 이에 발포재를 첨가하여 200℃ 전후에서 압출발포한 후 수냉하고 소정의 크기로 절단하여 완성된다.Synthetic resin foam for blocking the formwork bottom gap according to the present invention is a polymer, such as PVC, ABS, PS, PP or PE as a base (base) and by adding the foam to the extrusion foam around 200 ℃ after water cooling and predetermined It is finished by cutting to the size of.
본 발명에 따라 제조되는 건축용 거푸집 하부틈새 막음용 합성수지 발포재는 용량 30% 정도의 미세발포재로서 수밀성이 있고 경량이며 타정(打釘), 절단 등의 취급이 용이하며 약간의 탄성을 갖는 부재이다. 본 발명에 따라 제조되는 건축용 거푸집 하부틈새 막음용 합성수지 발포재(2)는 도 1 및 도 2에 도시한 바와 같이 벽용 거푸집(4) 내측 하단에 장착되는 길이방향의 장방형 판재로서 콘크리트 타설시 콘크리트의 측압을 받아 거푸집 내벽면에 긴밀하게 부착되는 한편 그 저면(2A)이 바닥에 닿아 탄성변형하면서 눌려져 바닥 슬라브(6) 상면에 밀접하게 맞닿기 때문에 수밀성을 확보할 수 있어서 종래처럼 콘크리트의 수화반응에 필요한 물이 거푸집 하부 틈새를 통해 빠져나오는 문제가 해결된다.Synthetic resin foam for blocking the formwork bottom gap produced in accordance with the present invention is a micro-foaming material of about 30% capacity, watertight, lightweight, easy to handle such as tableting, cutting, and has a slight elasticity. Synthetic resin foam for blocking the lower part of the building formwork manufactured according to the present invention is a longitudinal rectangular plate mounted on the inner bottom of the wall formwork (4) as shown in Figures 1 and 2 of the concrete at the time of concrete pouring It is closely attached to the formwork inner wall surface under side pressure, while its bottom surface (2A) touches the floor and is elastically deformed and pressed to closely contact the upper surface of the floor slab (6), thereby ensuring watertightness. The need for water to escape through the formwork's lower gap is solved.
또한 본 발명에 따른 건축용 거푸집 하부틈새 막음용 합성수지 발포재는 거푸집 내측면에 설치되는 것으로서 거푸집에 부착되지 아니하고 또한 미세한 기포를 갖는 발포재이기 때문에 톤크리트와 닿는 면은 경화이후 거푸집 탈형시 콘크리트로면으로부터 쉽게 분리됨으로써 탈형작업이 쉽게 이루어진다.In addition, the synthetic foam foam for blocking the bottom of the building form according to the present invention is installed on the inner surface of the formwork is not attached to the formwork, and because it is a foam material having a fine bubble, the surface contacting the toncrete from the concrete furnace surface when the mold is demolded after curing Easily separated, demolding is easy.
본 발명은 극히 간단히 제조할 수 있는 합성수지 발포재를 사용하여 종래 벽과 같은 수직 거푸집 내에 타설되는 콘크리트 페이스트의 물이 거푸집 하부 틈새로 누출되는 것을 방지할 수 있음으로써 벽체 전체의 고른 수화반응이 일어나게 하여 벽체의 원하는 소정의 역학적 강도를 얻을 수 있을 뿐만 아니라, 특히 종래 바닥과 닿는 부위에서의 경화가 불충하고 압밀성이 부족함으로써 생기는 성긴 부분을 제거할 수 있음으로써 벽체 하부에서의 깨끗하고 평활한 마감면을 얻을 수 있게 된다.The present invention by using a synthetic resin foam material that can be produced very simply to prevent the water of the concrete paste poured in the vertical formwork such as conventional walls to leak into the gap between the bottom of the formwork to cause even hydration reaction of the entire wall Not only can the desired mechanical strength of the wall be obtained, but also the clean, smooth finish at the bottom of the wall, in particular by eliminating coarse parts resulting from inadequate hardening and lack of consolidation at the site of contact with the conventional floor. You will get
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980016158A KR100301364B1 (en) | 1998-05-06 | 1998-05-06 | Synthetic resin foaming agent for stopping lower gap of architectural form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980016158A KR100301364B1 (en) | 1998-05-06 | 1998-05-06 | Synthetic resin foaming agent for stopping lower gap of architectural form |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980033659A KR19980033659A (en) | 1998-07-25 |
| KR100301364B1 true KR100301364B1 (en) | 2001-09-22 |
Family
ID=37529090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019980016158A KR100301364B1 (en) | 1998-05-06 | 1998-05-06 | Synthetic resin foaming agent for stopping lower gap of architectural form |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100301364B1 (en) |
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1998
- 1998-05-06 KR KR1019980016158A patent/KR100301364B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR19980033659A (en) | 1998-07-25 |
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