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    • 2. 发明授权
    • 속경성 고강도의 에폭시 수지 모르타르 및 그를 이용한 철도 레일용 침목
    • 具有高硬度和高强度的环氧树脂砂浆和用于铁路轨枕的枕木
    • KR101827430B1
    • 2018-02-09
    • KR1020160117210
    • 2016-09-12
    • 주식회사 삼표산업삼표레일웨이 주식회사
    • 정용김준우김두혁홍선희이재훈황광하정요운최흥수
    • C04B26/14E01B3/46E01B3/44
    • C04B26/14C04B2201/05E01B3/44E01B3/46
    • 본발명은속경성고강도의에폭시수지모르타르및 그를이용한철도레일용침목에관한것이다. 더욱상세하게는휘발성용제를사용하지않아친환경적이며, 반응성희석제를사용하여비스페놀 A형에폭시베이스수지의점도를개선한무용제타입의저점도주제부를제공하여작업이용이하다. 또한, 본발명의속경성고강도의에폭시수지모르타르는경화제및 경화촉진제의조성과함량을최적화한에폭시수지결합재조성물을포함함으로써, 상온에서 2시간내에 5MPa 이상의강도를발현하고 3시간에 PC 침목의설계기준강도인 50MPa 이상을발현하는특징을지녀단시간내에공사를완료해야하는긴급공사현장에적용할수 있고, 장기적인내구성과부착강도를충족할수 있어, 철도레일용침목으로유용하다.
    • 本发明涉及一种快速设定高强度的环氧树脂砂浆和使用该环氧树脂砂浆的铁路轨枕。 更具体地,并且不环保使用挥发性溶剂,使用反应性稀释剂改善基于双酚A的树脂型环氧无溶剂型的也由主体部提供的粘度的低粘度是所使用的操作。 另外,本发明中的环氧树脂砂浆的刚性高强度包括环氧树脂粘合剂组合物最优化组合物和固化剂的含量和固化促进剂,和表达至少为5MPa的在2小时内,在室温下的强度时,PC轨枕3小时的设计 jinyeo功能表达具有标准强度为50MPa以上,可申请紧急建筑工地需要完成建设在很短的时间,它能够满足长期的耐用性和粘接强度,并为铁路钢轨卧铺有用。
    • 4. 发明公开
    • 비소성 무기결합재를 활용한 콤팩션 그라우팅 공법용 모르타르 조성물
    • 移民代理
    • KR1020150066276A
    • 2015-06-16
    • KR1020130151631
    • 2013-12-06
    • 주식회사 씨엠디기술단
    • 문경주
    • C04B14/10C04B18/14C04B18/06
    • Y02W30/92Y02W30/94C09K17/02C04B14/361C04B18/141C04B22/008C04B22/146C04B28/02C04B2111/00732C04B2201/05
    • 본발명은연약지반을보강하거나연약한지반상의구조물침하를방지하기위하여, 또는이미침하가이루어져안전에위협을받는지상및 지중구조물및 설치물등의안전을보장하기위하여기초를보강하는그라우팅공법중 슬럼프가낮은저유동성모르타르를주입재로사용하는콤팩션그라우팅(Compaction Grouting) 공법용모르타르조성물에관한것으로, 보다상세하게는주입재인저유동성모르타르를제조함에있어고로슬래그미분말등의비정질물질을알칼리및 황산염복합자극을통해활성화시켜강도를발현하고동시에 CaO의흡수, 발열반응과체적팽창작용을이용하여시멘트모르타르가양생되면서수축하는특성을보완하여연약한지반개량의성능을크게향상시키는비소성무기결합재를활용한콤팩션그라우팅(Compaction Grouting) 공법용모르타르조성물조성물에관한것이다. 본발명에의한콤팩션그라우팅공법용모르타르조성물은골재 100중량부에대하여, 고로슬래그미분말 10~40중량부및 페트로코우크스탈황석고 5~30중량부를포함하며, 상기골재는 0.02~5.0의입도분포를가진점토성마사또는실트질토사로이루어진세골재와, 0.08~15의입도분포를가진석분으로이루어진조골재를포함한다.
    • 本发明涉及一种用于压实灌浆工艺的砂浆组合物,其使用具有低坍落度的较少流体砂浆作为主要材料以支撑基础,以保证地面或地下结构的安全性以及可能受到 地面下沉或防止软地面上的结构沉没,更具体地涉及使用非烧结无机粘结剂的压实灌浆工艺的砂浆组合物,其中通过使用碱性或硫酸复合物刺激来活化无定形材料如粉碎炉渣细粉末 提高强度,同时使用CaO吸收和发热和体积膨胀来补偿水泥砂浆在制造低流体砂浆(主要成分)时成熟时的收缩,从而大大提高软土地面问题。 根据本发明的压实灌浆方法的砂浆组合物包括:相对于100重量份的骨料,10-40重量份的粉碎炉渣细粉和5-30重量份的石油焦炭脱硫石膏和 聚集体由包括0.02-5.0粒度的粘土砂或粉砂土砂的细骨料制成,并且包含具有0.08至15粒径的石粉的中等骨料。
    • 7. 发明授权
    • 조기강도 발현을 위한 폴리머 개질 고성능 시멘트 콘크리트 조성물 및 이를 이용한 콘크리트 덧씌우기 포장공법
    • 聚合物改性高性能水泥混凝土复合材料,用于发掘使用复合材料的高强度强度和覆盖方法
    • KR101389745B1
    • 2014-04-29
    • KR1020130160926
    • 2013-12-23
    • 주식회사 이레하이테크이앤씨남경중공업 주식회사
    • 최정필박영준임영환
    • C04B28/04C04B26/02E01C23/00
    • C04B24/26C04B18/141C04B22/0093C04B22/143C04B24/126C04B28/04C04B2111/72C04B2201/05E01C7/147E01C11/005
    • The present invention relates to a polymer-modified cement concrete composition for expressing early strength and to a method for concrete overlay pavement using same. The composition comprises: a cement-based binder of 3-38 wt%; a fine aggregate of 25-70 wt%; a coarse aggregate of 25-70 wt%; water 0.1-20 wt%; and a polymer-based binder of 0.01-20 wt%. The cement-based binder comprises: normal Portland cement of 10-60 wt%; magnesium sulfo-aluminate of 10-60 wt%; plaster of 0.01-10 wt%; blast furnace slag of 0.01-20 wt%; an alumina powder of 0.1-10 wt%; and calcium aluminate of 0.01-10 wt%. The polymer-based binder comprises: styrene of 15-75 wt%; methyl methacrylate of 15-50 wt%; butyl acrylate of 5-40 wt%; itaconic acids of 0.1-20 wt%; and butadiene of 0.1-20 wt%. By means of the present invention, the concrete composition can have improved workability and durability. The concrete composition can especially have improved bending strength, tensile strength, early strength, long-term strength, chloride resistance, and freezing and thawing resistance so that defects in the concrete can be reduced.
    • 本发明涉及用于表达早期强度的聚合物改性水泥混凝土组合物和使用其的混凝土铺筑路面的方法。 该组合物包括:3-38重量%的水泥基粘合剂; 细骨料25-70重量%; 粗骨料25-70重量%; 水0.1-20重量%; 和0.01-20重量%的聚合物基粘合剂。 水泥基粘合剂包括:普通硅酸盐水泥10-60重量%; 10-60重量%的磺酸铝镁; 石膏为0.01-10重量%; 高炉渣0.01-20重量%; 0.1-10重量%的氧化铝粉末; 和铝酸钙0.01-10重量%。 基于聚合物的粘合剂包括:15-75重量%的苯乙烯; 甲基丙烯酸甲酯15-50重量%; 丙烯酸丁酯5-40重量%; 衣康酸为0.1-20重量%; 丁二烯为0.1-20重量%。 通过本发明,混凝土组合物可以具有改进的可加工性和耐久性。 混凝土组合物可以特别提高弯曲强度,拉伸强度,早期强度,长期强度,耐氯化物和耐冻融性,从而可以降低混凝土中的缺陷。
    • 8. 发明授权
    • 조기강도 발현형 폴리머 시멘트 콘크리트 조성물 및 이를 이용한 콘크리트 구조물의 보수공법
    • 使用复合材料发现混凝土结构的早期强度的聚合物水泥混凝土组合物和修复方法
    • KR101368214B1
    • 2014-02-27
    • KR1020130152718
    • 2013-12-10
    • 주식회사 이레하이테크이앤씨주식회사 청호
    • 최정필
    • C04B26/02C04B28/04C04B18/04
    • Y02W30/91C04B28/04C04B24/04C04B24/2641C04B24/2676C04B24/282C04B24/32C04B24/383C04B2111/72C04B2201/05E04G23/02
    • The present invention comprises: 3-28 wt% of cement based binding agent; 28-62 wt% of fine aggregate; 20-55 wt% of coarse aggregate; 0.1-10 wt% of water; and 0.1-15 wt% of polymer based binding agent. The polymer based binding agent comprises: 10-70 wt% of styerene ; 10-45 wt% of butyl acrylate; 5-35 wt% of ethyl acrylate; 0.1-20 wt% of itaconic acid; and 0.1-20 wt% of poly methyl acrylate. The cement based binding agent usually comprises: 20-80 wt% of Portland cement; 10-60 wt% of amorphous calcium aluminate; 0.1-10 wt% of calcium alumna cement; 0.01-10 wt% of gypsum; 0.01-20 wt% of gellite powder; 0.01-10 wt% of powder water repellent; and 0.01-10 wt% of moldenite. The concrete composite of the present invention can improve workability and durability of the concrete, especially degradation of the concrete can be reduced by improving flexural rigidity, tensile strength, early age strength and long age strength.
    • 本发明包括:3-28重量%的水泥基粘合剂; 28-62重量%的细骨料; 20-55重量%的粗骨料; 0.1-10重量%的水; 和0.1-15重量%的基于聚合物的粘合剂。 基于聚合物的结合剂包括:10-70wt%的苯乙烯; 10-45wt%丙烯酸丁酯; 5-35重量%丙烯酸乙酯; 0.1-20重量%的衣康酸; 和0.1-20重量%的聚甲基丙烯酸酯。 水泥基粘合剂通常包括:20-80wt%的波特兰水泥; 10-60重量%的无定形铝酸钙; 0.1-10重量%钙钙泥; 0.01-10重量%的石膏; 0.01-20重量%的钴蓝粉; 0.01-10重量%的粉末防水剂; 和0.01-10重量%的模板。 本发明的混凝土复合材料可以提高混凝土的加工性和耐久性,特别是可以通过提高抗弯刚度,拉伸强度,早龄强度和长时间强度来降低混凝土的降解。
    • 9. 发明授权
    • 내구성이 개선된 초속경 시멘트 콘크리트 조성물 및 이를 이용한 도로포장 유지보수공법
    • 具有优异耐久性的快速硬化水泥混凝土复合材料和使用复合材料的路面修复方法
    • KR101355400B1
    • 2014-01-28
    • KR1020130095046
    • 2013-08-09
    • 주식회사 이레하이테크이앤씨주식회사 청호
    • 박영준임영환최정필
    • C04B24/24C04B28/00E01C7/14
    • C04B24/26C04B14/043C04B14/106C04B14/365C04B18/08C04B18/141C04B28/02C04B2111/72C04B2201/05E01C11/005
    • The present invention relates to an ultra rapid hardening cement concrete composition with enhanced durability, and a road pavement maintenance method using the same, wherein the composition is characterized by comprising 3-30 wt% of ultra rapid hardening cement, 25-65 wt% of fine aggregate, 25-65 wt% of coarse aggregate, 0.1-15 wt% of water and 0.1-15 wt% of cement emulsion for mixing cement, and the cement emulsion for mixing cement additionally comprises 20-95 wt% of styrene-acryl emulsion, 0.1-70 wt% of butyl-acryl emulsion, 0.01-50 wt% of styrene-butadiene emulsion, 0.01-50 wt% of styrene-butadiene rubber latex, 0.01-50 wt% of ethylene-vinyl acetate emulsion, 0.01-50 wt% of polyacryl ester emulsion, 0.01-50 wt% of epoxy emulsion and 0.01-50 wt% of methyl metahcrylate emulsion. Present invention can improve workability and enhance strength and durability as well as reduce concrete errors and reduce the amount of a polymer used.
    • 本发明涉及具有增强的耐久性的超快速硬化水泥混凝土组合物和使用该超快速硬化水泥混凝土组合物的路面维护方法,其特征在于,所述组合物的特征在于包含3-30重量%的超快硬化水泥,25-65重量% 用于混合水泥的细骨料,25-65重量%的粗骨料,0.1-15重量%的水和0.1-15重量%的水泥乳液,用于混合水泥的水泥乳液还包含20-95重量%的苯乙烯 - 丙烯酸 乳液,0.1-70重量%的丁基丙烯酸乳液,0.01-50重量%的苯乙烯 - 丁二烯乳液,0.01-50重量%的苯乙烯 - 丁二烯橡胶胶乳,0.01-50重量%的乙烯 - 乙酸乙烯酯乳液, 50重量%的聚丙烯酸酯乳液,0.01-50重量%的环氧乳液和0.01-50重量%的异丙烯酸甲酯乳液。 本发明可以提高加工性,提高强度和耐久性,并且减少混凝土误差并减少聚合物的使用量。