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公开(公告)号：KR101605691B1
公开(公告)日：2016-03-24
申请号：KR1020140092452
申请日：2014-07-22
申请人： 한국건설기술연구원
摘要： 본발명은멘트에강섬유가혼입되어있고, 더나아가폴리머로서스틸렌/아크릴산에스테르계공중합에멀젼으로이루어진폴리머(polymer)가혼입되어있어서시멘트매트릭스의인성을향상시킴으로써, 물과혼합되어시멘트구조물을제작하였을때, 시멘트구조물의내충격성과방폭성능을크게향상시키며 130MPa 이상의높은압축강도가발휘될수 있도록하는내충격방폭강화용초고성능시멘트조성물에관한것이다. 본발명에서는폴리머는시멘트의 100중량부에대해, 3 내지 5중량부로함유되고; 광물질계혼화재는시멘트의 100중량부에대해 20 내지 30중량부로함유되며; 잔골재는시멘트의 100중량부에대해 100 내지 130중량부로함유되고; 규사분말은시멘트의 100중량부에대해 10 내지 30중량부로함유되며; 강섬유는시멘트조성물에대한체적비로서 2vol%로함유되고; 감수제는시멘트의 100중량부에대해 1 내지 3중량부로함유되며; 소포제는시멘트의 100중량부에대해 0.5 내지 5중량부로함유되는것을특징으로하는내충격성및 방폭성능이향상된초고성능시멘트조성물이제공된다.
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公开(公告)号：KR101551446B1
公开(公告)日：2015-09-08
申请号：KR1020140149257
申请日：2014-10-30
申请人： 한국건설기술연구원
摘要： 시멘트 복합체의 강성을 증가시키는 보강섬유로서 도전성 섬유를 시멘트 복합체 내에 혼입하고, 하중, 화재 또는 지진의 외부 환경적 요인에 따른 시멘트 복합체의 응력 변화를 도전성 섬유로부터 검출하여 실시간으로 원격 모니터링할 수 있고, 또한, 부도체인 시멘트 복합체에 도전성 섬유를 혼입하여 피에조 성질을 구현함으로써 시멘트 복합체를 전도체로 변환시킬 수 있고, 이에 따라 콘크리트 배합시의 충격이나 다짐 충격, 양생 중 변형에 의해 파괴되지 않고, 별도 제작된 압전센서를 시멘트 복합체 내에 매립 형성하지 않아도 되는, 도전성 섬유를 혼입한 시멘트 복합체의 원격 모니터링 시스템 및 그 방법이 제공된다.
摘要翻译： 提供了一种用于混合有导电纤维的水泥质复合材料的远程监控系统及其方法。 远程监控系统将复合材料中的导电纤维作为增强纤维混合增加水泥质复合材料的硬度，并检测由导电纤维的重量，火灾或地震的外部环境因素引起的水泥基复合材料的应力变化，用于远程监测 并且还通过将导电纤维混合成为非导体的水泥质复合材料形成压电性能，以将水泥质复合材料转化为导体，从而通过混凝土搅拌期间的冲击，硬化冲击或固化期间的转变来保持形状， 并且不需要在水泥质复合材料中埋入额外生产的压电传感器。
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公开(公告)号：KR1020120083009A
公开(公告)日：2012-07-25
申请号：KR1020110004414
申请日：2011-01-17
申请人： 한국건설기술연구원
CPC分类号： Y02W30/94 , C04B28/02 , C04B14/06 , C04B18/141 , C04B20/0076 , C04B40/0032 , C04B2103/302 , C04B2103/44 , C04B2111/00068 , C04B2201/10
摘要： PURPOSE: A material composition for high-fluidity non-separable in-water concrete and a manufacturing method of the high fluidity non-separable in-water concrete using the same are provided to obtain high-fluidity by harmonizing pozzolan reaction and mobility enhancement effects. CONSTITUTION: A material composition for high-fluidity non-separable in-water concrete comprises high fluidity non-separable in-water concrete binder, sand and coarse aggregate. The binder is composed of 60-80 wt% of cement and 20-60 wt% of blast furnace slag. 5-20 wt% of the fine aggregate is partially replaced by silica having a particle size of less than 0.5mm. A manufacturing method of the high fluidity non-separable in-water concrete comprises the following steps: preparing water having a unit water content in concrete of 180-205kg/m^3 for concrete(1m^3); mixing 35-55 wt% of water-binder ratio by using the high fluidity non-separable in-water concrete binder; mixing 1-5 wt% of poly carboxylic acid based high range water reducing admixture based on the content of the used binder; mixing 0.9-1.2 wt% of non-separable in-water admixture based on content of the used unit quantity; preparing 30-50 wt% of the fine aggregate and coarse aggregate; and mixing the aggregates.
摘要翻译： 目的：提供一种用于高流动性不可分离水中混凝土的材料组合物和使用其的高流动性不可分离水中混凝土的制造方法，以通过协调火山灰反应和流动性增强效果来获得高流动性。 构成：用于高流动性不可分离的水中混凝土的材料组成包括高流动性不可分离的水中混凝土粘合剂，砂和粗骨料。 粘合剂由60-80重量％的水泥和20-60重量％的高炉矿渣组成。 细小骨料的5-20重量％被粒径小于0.5mm的二氧化硅部分替代。 高流动性不可分离水中混凝土的制造方法包括以下步骤：为混凝土（1m ^ 3）制备混凝土单位含水量为180-205kg / m ^ 3的水; 通过使用高流动性不可分离的水中混凝土粘合剂，混合35-55wt％的水 - 粘合剂比; 基于所使用的粘合剂的含量混合1-5重量％的基于聚羧酸的高范围减水混合物; 根据使用单位数量的含量混合0.9-1.2重量％的不可分离的水中混合物; 制备30-50重量％的细骨料和粗骨料; 并混合聚集体。
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公开(公告)号：KR1020120066137A
公开(公告)日：2012-06-22
申请号：KR1020100127337
申请日：2010-12-14
申请人： 한국건설기술연구원
CPC分类号： E01C9/08 , E01C9/086 , E01D19/12 , E01D19/125
摘要： PURPOSE: A concrete bottom plate having fixed ends and absorber pads at support ends and a manufacturing method thereof are provided to improve work efficiency by performing the loading and unloading works of the concrete bottom plates without an additional crane. CONSTITUTION: A manufacturing method of a concrete bottom plate having fixed ends and absorber pads at support ends is as follows. Absorber pads(20) are arranged on the bottom of a form for molding the bottom of a concrete bottom plate(1). The surfaces of the absorber pads have concave grooves. The concave grooves are filled with concrete. The absorber pads are integrally formed on the bottom surface of the concrete bottom plate. Fixed ends(10) for fixing the movement of the concrete bottom plate are integrally formed on the bottom surface of the concrete bottom plate.
摘要翻译： 目的：提供一种具有固定端和在支撑端处的吸收垫的混凝土底板及其制造方法，以通过在没有附加起重机的情况下执行混凝土底板的装载和卸载工作来提高工作效率。 构成：在支撑端部具有固定端部和吸收垫的混凝土底板的制造方法如下。 吸收垫（20）布置在用于模制混凝土底板（1）的底部的模板的底部上。 吸收垫的表面具有凹槽。 凹槽填充混凝土。 吸收垫一体形成在混凝土底板的底面上。 用于固定混凝土底板的运动的固定端（10）一体地形成在混凝土底板的底面上。
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公开(公告)号：KR1020120060439A
公开(公告)日：2012-06-12
申请号：KR1020100121948
申请日：2010-12-02
申请人： 한국건설기술연구원
CPC分类号： C04B14/06 , C04B16/06 , C04B28/02 , C04B2103/302 , C04B2201/50
摘要： PURPOSE: A manufacturing method of ultra high performance fiber-reinforced cement composite and ultra high performance fiber-reinforced cement composite are provided to reduce viscosity of cement complex and mixing time and to increase application property by using fine silica powder as substitute for cement. CONSTITUTION: Ultra high performance fiber-reinforced cement composite is composed of the mortar and combined water. The mortar includes 10-30 parts by weight of silica micro-powder which contains zirconium having specific surface area of 80,000-120, 000cm^2/g based on 100.0 parts by weight of cement. The mortar additionally includes 100-130 parts by weight of sand having particle size of less than 5mm and 10-30 parts by weight of filler based on 100.0 parts by weight of cement. A ratio of the combined water to binding material which is composed of silica micro-powder containing cement and zirconium is 0.22 or less.
摘要翻译： 目的：提供超高性能纤维增强水泥复合材料和超高性能纤维增强水泥复合材料的制造方法，以降低水泥复合材料的粘度和混合时间，并通过使用细二氧化硅粉替代水泥来提高应用性能。 规定：超高性能纤维增强水泥复合材料由砂浆和混合水组成。 砂浆包括10-30重量份的二氧化硅微粉，其含有基于100.0重量份水泥的比表面积为80,000-120,000cm 2 / g的锆。 砂浆还包括100-130重量份的颗粒尺寸小于5mm的砂和基于100.0重量份水泥的10-30重量份填料。 由含有水泥和锆的二氧化硅微粉末组成的水与粘结材料的比例为0.22以下。
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公开(公告)号：KR1020120055119A
公开(公告)日：2012-05-31
申请号：KR1020100116645
申请日：2010-11-23
申请人： 한국건설기술연구원
摘要： PURPOSE: An ultra-high fiber-reinforced concrete and a manufacturing method thereof are provided to prevent break down between cement paste and aggregate or fiber, thereby enhancing strength and toughness economically. CONSTITUTION: An ultra-high fiber-reinforced concrete comprises 10-30 parts by weight of silicon dioxide powder having a fineness of 2,500-4,000cm^2/g compare to 100.0 parts by weight of cement. The ultra-high performance fiber reinforced concrete comprises mortar including 10-30 parts by weight of reactive powder and 100-130 parts by weight of aggregates based on 100.0 parts by weight of cement. Water is mixed in order to make a ratio of the binding material of the mortar to be less than 0.25. The fiber is a steel fiber having a length of 12-30mm and a diameter 0.2-0.5mm. The steel fiber is mixed 1-5 volume % based on total volume.
摘要翻译： 目的：提供超高纤维增强混凝土及其制造方法，以防止水泥浆与骨料或纤维之间的分解，从而经济地提高强度和韧性。 构成：超高纤维增强混凝土包含10-30重量份的二氧化硅粉末，其细度为2,500-4,000cm 2 / g，相对于100.0重量份的水泥。 超高性能纤维增强混凝土包括基于100.0重量份水泥的包含10-30重量份反应性粉末和100-130重量份聚集体的砂浆。 混合水以使砂浆的粘结材料的比例小于0.25。 纤维是长度为12-30mm，直径为0.2-0.5mm的钢纤维。 钢纤维基于总体积混合1-5体积％。
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公开(公告)号：KR1020110093395A
公开(公告)日：2011-08-18
申请号：KR1020100013423
申请日：2010-02-12
CPC分类号： C04B28/08 , C04B14/02 , C04B20/0096 , C04B40/0032 , C04B2103/10 , C04B2103/302 , C04B24/10 , C04B24/18 , C04B24/223
摘要： PURPOSE: Cementless concrete using blast slag and a method for manufacturing the same are provided to adequately control the mobility and a time for a coagulating process by coating a water-reducing agent mixed with sugar to the blast slag and adding an activator. CONSTITUTION: Blast slag, fine aggregate, and a water reducing agent mixed with sugar are mixed in a mixer. An activator, coarse aggregate, and water are additionally introduced into the mixer and are mixed. The water reducing agent mixed with super is composed of the combination of sugar and at least one of a melamine-based material or a lignin-based material. The content of the water reducing agent mixed with sugar is 1.5 to 4.5 parts by weight, based on 100 parts by weight of the blast slag. The activator includes at least one of sodium hydroxide or sodium silicate.
摘要翻译： 目的：提供使用鼓风炉渣的无水泥混凝土及其制造方法，以通过将与糖混合的减水剂涂布在高炉渣中并加入活化剂来充分控制凝结过程的流动性和时间。 构成：将混合有高炉渣，细骨料和与糖混合的减水剂混合在混合器中。 将活化剂，粗骨料和水另外引入混合器中并混合。 与超级混合的减水剂由糖和三聚氰胺类材料或木质素类材料中的至少一种组合构成。 与糖混合的减水剂的含量相对于100重量份的炉渣为1.5〜4.5重量份。 活化剂包括氢氧化钠或硅酸钠中的至少一种。
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公开(公告)号：KR1020110067341A
公开(公告)日：2011-06-22
申请号：KR1020090123902
申请日：2009-12-14
申请人： 한국건설기술연구원
CPC分类号： C04B28/08 , C04B5/00 , C04B14/02 , C04B22/062
摘要： PURPOSE: A non-sintering binder containing blast furnace slag, and a high early strengthening cement-free mortar composition using thereof are provided to easily control the required workability and compressive strength of the binder. CONSTITUTION: A non-sintering binder containing blast furnace slag includes the blast furnace slag and an alkali activation reagent in a weight ratio of 60~80:40~20. The alkali activation reagent is a sodium hydroxide solution, or a mixture of the sodium hydroxide solution and sodium silicate. A high early strengthening cement-free mortar composition contains fine aggregate, water, and the non-sintering binder.
摘要翻译： 目的：提供一种含有高炉矿渣的非烧结粘合剂，以及使用它的高的早期强化无水砂浆组合物，以便容易地控制粘合剂所需的加工性和抗压强度。 构成：含有高炉渣的非烧结粘合剂包括高炉渣和碱活化剂，重量比为60〜80：40〜20。 碱活化剂是氢氧化钠溶液，或氢氧化钠溶液与硅酸钠的混合物。 早期强化的高强度无水砂浆组合物含有细骨料，水和非烧结粘合剂。
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公开(公告)号：KR1020110052994A
公开(公告)日：2011-05-19
申请号：KR1020090109770
申请日：2009-11-13
申请人： 한국건설기술연구원
摘要： PURPOSE: A precast permanent form with high durability using cement complex for reinforcing steel fiber is provided to ensure the integrity of a permanent form with a concrete structure and durability of a form. CONSTITUTION: A precast permanent form with high durability using cement complex for reinforcing steel fiber has a surface, which consists of a protrusion shape of ribs(110) and big aggregates(120) to ensure the integrity with concrete. The rib is protruded from the surface. The big aggregates are buried so that their upper parts are exposed to the surface between the ribs.
摘要翻译： 目的：提供使用水泥复合材料加强钢纤维具有高耐久性的预制永久形式，以确保具有混凝土结构和表面耐久性的永久形式的完整性。 构成：使用水泥复合物加强钢纤维具有高耐久性的预制永久形式具有由肋（110）和大骨料（120）的突出形状构成的表面，以确保与混凝土的完整性。 肋从表面突出。 大的聚集体被埋入，使得它们的上部部分暴露于肋之间的表面。
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