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    • 42. 发明授权
    • 콘크리트 보강재 매입용 몰드
    • 嵌入式加固模具
    • KR100756905B1
    • 2007-09-07
    • KR1020060117474
    • 2006-11-27
    • 한국건설기술연구원
    • 이종석최원성안기홍이장화김성욱김도겸고경택
    • B28B7/00B28B7/02
    • B28B23/022B28B7/0002
    • A mould for embedding a concrete reinforcement is provided to facilitate assembling and disassembling work and to secure accuracy of a test by producing a concrete test body under the same conditions of the real concrete structure. A mould for embedding a concrete reinforcement(300) is composed of a box-shaped housing unit(100) having combining tools(130) installed at the outer sides of through-holes(125) formed at the both sides, and a concrete reinforcement fixing tool(200) having a front end portion extended and protruded to the inside of the housing unit from the outside of the housing unit through the through-holes and a head unit integrated with the front end portion and joined to the combining tool. The concrete reinforcement including a reinforcing bar is fixed between the front end portions of the concrete reinforcement fixing tool.
    • 提供了一种用于嵌入混凝土加强件的模具,以便于在实际混凝土结构的相同条件下生产混凝土测试体来组装和拆卸工作并确保测试的准确性。 用于嵌入混凝土加固件(300)的模具由具有安装在形成在两侧的通孔(125)的外侧的组合工具(130)的箱形壳体单元(100)组成,以及混凝土加强件 固定工具(200)具有通过所述通孔从所述壳体单元的外部延伸并突出到所述壳体单元的内部的前端部,以及与所述前端部一体化并与所述组合工具接合的头单元。 包括钢筋的混凝土加固件固定在混凝土加固固定工具的前端部分之间。
    • 43. 发明授权
    • 자기충전형 섬유보강 시멘트 복합체의 제조방법
    • 一种自制纤维增强水泥复合材料的制造方法
    • KR100755423B1
    • 2007-09-05
    • KR1020060074766
    • 2006-08-08
    • 한국건설기술연구원
    • 고경택류금성김성욱박정준강수태이장화
    • C04B14/06C04B14/28C04B18/08C04B14/38
    • C04B28/02C04B14/06C04B40/0039C04B2111/00103Y02W30/92Y02W30/94C04B22/002C04B2103/32C04B2103/44C04B24/2641C04B24/383C04B14/106C04B14/48C04B16/06C04B18/08C04B18/141C04B22/004C04B22/008C04B24/10C04B40/0028C04B7/323C04B24/223C04B20/0076C04B20/04
    • A method for manufacturing self-compacting fiber reinforced cement composites having improved applicability, compressive strength and bending strength is provided to achieve uniform fiber distribution and filling of all the corners of the molding although hardening process is omitted. A method for manufacturing self-compacting fiber reinforced cement composites comprises the steps of: preparing self-compacting matrix by blending 10 to 40 parts by weight of mineral admixture consisting of pulverized granulated blast-furnace slag, fly ash and metakaolin blended in the ratio of 4-6:4-1:2-3, 100 to 130 parts by weight of sand having diameter of 5mm or less made to absolute dry state at 100±5deg.C, 5 to 10 parts by weight of non-crack consisting of CSA expanding agent and glocols-based shrinkage reducing agent blended in the ratio of 7-10:1-3, with respect to 100 parts by weight of cement; preparing high-performance blending water consisting of 0.1-1.05% by weight of cellulose thickener, 0.5-4% by weight of polycarbonate or melamine super-plasticizer and 94.95-99.4% by weight of distilled water; preparing cement composites by blending the high-performance blending water and self-compacting matrix in the ratio of 0.2-0.5; feeding one or more selected from a group consisting of steel fiber or organic fiber into the prepared cement composites in the range of 1 to 5% by volume with respect to the volume of the cement composites and mixing them. The mineral admixture is used in the amount of 20-30 parts by weight with respect to 100 parts by weight of the cement. The sand is used in the amount of about 110 parts by weight with respect to 100 parts by weight. The cellulose thickener is used in the amount of 0.3-0.7% by weight. The polycarbonate super-plasticizer is used in the amount of 0.7-2% by weight, and the melamine super-plasticizer is used in the amount of 0.7-3.0% by weight.
    • 提供了具有改进的适用性,抗压强度和弯曲强度的自密实纤维增强水泥复合材料的制造方法,以实现均匀的纤维分布和填充模制件的所有角部,但是省略了硬化过程。 制造自密实纤维增强水泥复合材料的方法包括以下步骤:通过混合10-40重量份由粉碎的高炉渣,粉煤灰和偏高岭土组成的矿物混合物,以比例混合,制备自密实基体 4-6:4-1:2-3,100〜5℃下绝对干燥状态下的直径为5mm以下的砂100〜130重量份,5〜10重量份的由 相对于100重量份的水泥,CSA膨胀剂和基于Glocols的减缩剂以7-10:1-3的比例混合; 制备由0.1-1.05重量%的纤维素增稠剂,0.5-4重量%的聚碳酸酯或三聚氰胺超增塑剂和94.95-99.4重量%的蒸馏水组成的高性能混合水; 通过以0.2-0.5的比例混合高性能混合水和自密实基质来制备水泥复合材料; 将从钢纤维或有机纤维组成的组中选出的一种或多种相对于水泥复合材料的体积相对于所制备的水泥复合材料为1〜5体积%的范围进行混合并混合。 相对于100重量份的水泥,矿物混合物的用量为20-30重量份。 砂的使用量相对于100重量份为约110重量份。 纤维素增稠剂的用量为0.3-0.7重量%。 聚碳酸酯超增塑剂的用量为0.7-2重量%,三聚氰胺超增塑剂的用量为0.7-3.0重量%。
    • 45. 发明授权
    • 시멘트 복합체를 혼합하기 위한 고속 믹서
    • 高速混合机用于生成复合材料
    • KR100575456B1
    • 2006-05-03
    • KR1020040025783
    • 2004-04-14
    • 한국건설기술연구원
    • 고경택김성욱박정준강수태한상묵
    • B28C5/40
    • 본 발명은 시멘트 복합체를 혼합하기 위한 믹서에 관한 것으로서, 특히 시멘트 복합체의 혼합 조건 중 가장 중요한 요소인 믹서 내의 스페이드(spade)의 속도를 높게 유지하면서도 혼합 시에 스페이드에 걸리는 큰 부하를 극복할 수 있고, 시멘트 복합체의 인성 확보를 위해 사용되는 섬유를 자동으로 믹서 내로 투입할 있는, 시멘트 복합체를 혼합하기 위한 믹서에 관한 것이다. 본 발명에 따른 시멘트 복합체를 혼합하기 위한 믹서는 서로 연결되는 상판과 하판으로 구성된 프레임과, 프레임의 하판에 고정되고 혼합을 위해 시멘트 복합체가 투입되는 투입구와 혼합이 종료된 후 혼합된 시멘트 복합체를 배출시키기 위한 배출구를 갖는 드럼과, 시멘트 복합체를 혼합하기 위해 드럼 상부에 결합되는 회전 수단과, 회전 수단에 동력을 제공하는 구동 수단 및 회전 수단에 의해 혼합되는 시멘트 복합체에 섬유를 투입하기 위한 섬유 공급 수단으로 구성된다.
    • 50. 发明公开
    • 소성수축 균열 방지용 콘크리트 양생시트 및 그 양생 방법
    • 用于防止塑料收缩裂纹的混凝土固化片和使用其的固化方法
    • KR1020140039698A
    • 2014-04-02
    • KR1020120106223
    • 2012-09-25
    • 한국건설기술연구원
    • 박천진고경택류금성
    • E04G21/02
    • E04G21/246E04G21/28
    • The present invention provides a burning shrinkage crack preventing concrete curing sheet and a curing method thereof which prevents the deterioration of concrete by preventing burning shrinkage cracks might be generated in an early curing process of concrete under hot and arid weather conditions of summertime; and improves working environment of workers and simplifies a construction method by providing the water-cooling concrete curing sheet capable of being easily carried. The burning shrinkage crack preventing concrete curing sheet includes at least one curing sheet unit which is placed on the top of placed concrete and which prevents burning shrinkage cracks; a water circulation hose which is arranged inside the curing sheet and which circulates water; a water inlet which is formed on one side of the curing sheet unit to supply water to the water circulation hose; an outlet which is formed on the other side of the curing sheet unit to discharge the water circulated by the water circulation hose; a water circulation pump which circulates water supplied to the water circulation hose; a water injecting hose which is joined between the first inlet of the curing sheet unit and the water circulation pump; and a water discharge hose which is joined to the outlet of the curing sheet unit which is lastly connected and the water circulation pump. The curing sheet unit is characterized by maintaining concrete at a fixed temperature with the water circulated through the water circulation hose via a water-cooling method. [Reference numerals] (150) Water circulation pump
    • 本发明提供一种防止混凝土固化片的燃烧收缩裂纹及其固化方法,其通过防止燃烧使混凝土的劣化,在夏季炎热和干旱的天气条件下,在混凝土的早期固化过程中可能产生收缩裂缝; 通过提供易于携带的水冷混凝土固化片,改善工人的工作环境,简化施工方法。 燃烧收缩裂缝防止混凝土固化片包括至少一个固化片单元,其被放置在放置的混凝土的顶部并且防止燃烧收缩裂纹; 水循环软管,其布置在固化片内并使水循环; 形成在固化片单元的一侧上以将水供应到水循环软管的进水口; 形成在固化片单元的另一侧上以排出由循环水循环的水的出口; 水循环泵,其循环供应到水循环软管的水; 连接在固化片单元的第一入口与水循环泵之间的注水软管; 以及排水软管,其连接到最后连接的固化片单元的出口和水循环泵。 固化片单元的特征在于,通过水冷却方法使水通过水循环软管循环,使混凝土保持在固定温度。 (附图标记)(150)水循环泵