公开(公告)号：KR101447124B1

公开(公告)日：2014-10-06

申请号：KR1020140060009

申请日：2014-05-19

Applicant: 임펙트디엔씨 주식회사

Inventor： 이동훈 ,  김철호

IPC: C04B26/06 ,  C04B26/16 ,  C04B26/04

CPC classification number: C04B24/26 ,  C04B22/10 ,  C04B24/282 ,  C04B24/36 ,  C04B28/04 ,  C04B2111/29 ,  C04B2111/723 ,  C04B2201/05 ,  C04B2201/50 ,  E04G23/02

Abstract: The present invention relates to a composition for protecting the surface of a concrete structure and a method for repairing a concrete structure using the same, wherein the composition includes 5-90 wt% of a liquid binder and 10-95 wt% of an inorganic binder, and the liquid binder includes 40-99 wt% of polystyrene-acrylate, 0.1-40 wt% of methylmethacrylate-butadiene, 0.1-30 wt% of urethane acryl oligomer, 0.1-20 wt% of polyvinylacetate-vinylversatate, 0.01-20 wt% of polyvinyl propionate, and 0.01-15 wt% of a fluorine resin. By means of the present invention, the composition has excellent fluidity, elasticity, adhesive forces, bending strength, tensile strength, attaching strength, and durability, and the composition can have improved bending ductility, waterproofing properties, and surface hardness. In particular, the composition has excellent salt resistance, freezing and thawing resistance, and wear resistance. Early strength can be expressed, so that a construction period is reduced and a traffic opening time is reduced.

Abstract translation: 本发明涉及一种用于保护混凝土结构表面的组合物和使用其的混凝土结构的修复方法，其中组合物包含5-90重量％的液体粘合剂和10-95重量％的无机粘合剂 ，液体粘合剂包括40-99重量％的聚苯乙烯 - 丙烯酸酯，0.1-40重量％的甲基丙烯酸甲酯 - 丁二烯，0.1-30重量％的聚氨酯丙烯酸低聚物，0.1-20重量％的聚乙酸乙烯酯 - 乙烯基异氰酸酯，0.01-20重量％ ％的聚丙烯酸乙酯和0.01-15重量％的氟树脂。 通过本发明，组合物具有优异的流动性，弹性，粘合力，弯曲强度，拉伸强度，附着强度和耐久性，并且组合物可以具有改善的弯曲延展性，防水性和表面硬度。 特别地，该组合物具有优异的耐盐性，抗冻融性和耐融解性。 可以表达早期的实力，减少施工期，减少开车时间。

公开(公告)号：KR1020140059884A

公开(公告)日：2014-05-19

申请号：KR1020120125816

申请日：2012-11-08

Applicant: 주식회사 케미콘

Inventor： 임동한 ,  조인성 ,  기경국 ,  정민구 ,  허연옥 ,  김영구 ,  천성민 ,  반영주 ,  이기연

IPC: C04B28/02 ,  C04B28/16 ,  C04B22/08 ,  C04B22/14

CPC classification number: C04B14/10 ,  C04B22/085 ,  C04B22/143 ,  C04B28/02 ,  C04B2103/408 ,  C04B2103/50 ,  C04B2103/58 ,  C04B2111/00068 ,  C04B2201/05

Abstract: The present invention relates to an admixture composition to reveal early strength which expresses radical early strength without changing physical properties by enhancing prehardening properties essential to shorten a construction period; is applied to cement including 45-80 wt% of alite; and reveals itself to be 30 MPa or higher in strength after 4 hours of curing. The present invention includes one or more of 0.05-5 wt% of powder or aqueous high early strength agents based on the cement including the alite as a main component or a mixture thereof, thereby the cement composition obtains suitable pot life and reveals radical early strength without changing the physical properties such as the inhibition of the pot life and reveals itself to be 30 MPa or higher in strength after 4 hours of curing.

Abstract translation: 本发明涉及通过提高缩短施工周期所必需的预硬化性能来揭示早期强度的混合组合物，其表现出自由基早强而不改变物理性质; 适用于含有45-80重量％的Alite的水泥; 在固化4小时后，其强度自身为30MPa以上。 本发明包括0.05-5重量％的基于水泥的粉末或水性高强度剂，其包括以Alite为主要成分或其混合物，由此水泥组合物获得适合的适用期并显示出自由基的早强 不改变诸如抑制适用期的物理性质，并且在固化4小时后显示其强度为30MPa或更高。

公开(公告)号：KR1020140015648A

公开(公告)日：2014-02-07

申请号：KR1020120067579

申请日：2012-06-22

Applicant: 주식회사 포스코건설 ,  쌍용양회공업(주) ,  쌍용레미콘 주식회사

Inventor： 시대복 ,  손주혁 ,  정문홍 ,  박규연 ,  이용산 ,  윤경호 ,  이찬우 ,  서순호 ,  강창운 ,  하재담 ,  이웅종 ,  금경훈

IPC: C04B18/08 ,  C04B18/14 ,  C04B28/02 ,  C04B14/02

CPC classification number: Y02W30/92 ,  Y02W30/94 ,  C04B18/141 ,  C04B18/08 ,  C04B28/02 ,  C04B2111/00017 ,  C04B2111/00068 ,  C04B2201/05 ,  C04B2201/52

Abstract: The present invention relates to a concrete composition with high strength using environment-friendly rapidly hardened cement with initial strength, and more specifically, to a concrete composition with high strength using rapidly hardened cement, wherein the concrete composition secures mobility and fillability by using 300-500 kg/m^3 of rapidly hardened cement with powdery rapidly hardened additives and mixing 60-350 kg/m^3 of blast-furnace slag powder and 30-100 kg/m^3 of fly ash with concrete and improves long term strength expression. [Reference numerals] (AA) Comparative example(omega); (BB) Comparative example(silica fume); (CC) Example

Abstract translation: 本发明涉及使用具有初始强度的环保型快速硬化水泥的高强度混凝土组合物，更具体地，涉及使用快速硬化水泥的具有高强度的混凝土组合物，其中，混凝土组合物通过使用300- 500kg / m ^ 3的快速硬化水泥与粉状快速硬化的添加剂混合，混合60-350kg / m 3的高炉渣粉和30-100kg / m 3的飞灰与混凝土混合，提高长期强度 表达。 （标号）（AA）比较例（ω）; （BB）比较例（硅粉）; （CC）示例

公开(公告)号：KR101352937B1

公开(公告)日：2014-01-17

申请号：KR1020130058737

申请日：2013-05-24

Applicant: (유)하남종합건설

Inventor： 김공희 ,  이인석 ,  이재성 ,  김보연 ,  유병건 ,  조형우 ,  유병렬 ,  김병호

IPC: C04B18/04 ,  C04B28/16 ,  C04B26/06 ,  C04B24/00

CPC classification number: Y02W30/91 ,  C04B18/02 ,  C04B18/141 ,  C04B18/146 ,  C04B18/167 ,  C04B24/2641 ,  C04B28/04 ,  C04B2111/72 ,  C04B2201/05 ,  E01C7/147 ,  E01C11/005

Abstract: The present invention relates to a high early strength concrete composition using eco-friendly recycled silica sand as fine aggregate and a method for repairing concrete pavement using the same, and more particularly, to: a high early strength concrete composition using, as fine aggregate, recycled silica sand produced by treating with high temperature and drying recycled fine aggregate in a process of producing recycled aggregate from waste concrete, and removing foreign substances with the use of wind power and processing it into a size of silica sand, and using, as cement substitute material, waste concrete micropowder, which is a by-product of dry micropowder during the process. The high early strength concrete composition using eco-friendly recycled silica sand as fine aggregate of the present invention has a technological meaning of comprising 7-16 wt% of high early strength concrete bonding material, 28-45 wt% of fine aggregate, 25-50 wt% of coarse aggregate, 1-7 wt% of water and a 1-15 wt% of a synthetic polymer so as to be 100 wt%, wherein the fine aggregate additionally comprises 20-100 wt% of recycled silica sand among the 100 wt%. [Reference numerals] (AA) Start; (BB) End; (S110) Step of exposing a sound area by removing a deterioration unit of a damage unit; (S120) Step of cleaning the exposed sound area; (S130) Step of inserting a high early strength concrete composition into a sound area; (S140) Step of flattening the sound area into which the high early strength concrete composition is inserted; (S150) Step of performing a surface treatment on the sound area; (S160) Step of forming a thin film on the sound area

Abstract translation: 本发明涉及一种使用环保型循环二氧化硅砂作为细骨料的高强度混凝土组合物及使用其的混凝土路面修复方法，更具体地说，涉及：使用作为细骨料的高强度混凝土组合物， 在废旧混凝土生产再生骨料的过程中通过高温处理生产的再生硅砂，干燥再生细骨料，利用风力发电除去外来物质，并加工成硅砂，并用作水泥 替代材料，废旧混凝土微粉，这是干式微粉的副产物。 使用环保型循环硅砂作为本发明的细骨料的高强度混凝土组合物具有包括7-16重量％的高强度混凝土结合材料，28-45重量％的细骨料，25- 50重量％的粗骨料，1-7重量％的水和1-15重量％的合成聚合物，为100重量％，其中细骨料另外包含20-100重量％的再循环硅砂 100重量％。 （附图标记）（AA）开始; （BB）结束; （S110）通过去除损坏单元的劣化单元来曝光声音区域的步骤; （S120）清洁曝光的声音区域的步骤; （S130）将高强度混凝土组合物插入声音区域的步骤; （S140）使高强度混凝土组合物插入其中的声音区域变平的步骤; （S150）对声音区域进行表面处理的步骤; （S160）在声音区域上形成薄膜的步骤

公开(公告)号：KR101351560B1

公开(公告)日：2014-01-15

申请号：KR1020130050644

申请日：2013-05-06

Applicant: (주)대우건설

Inventor： 김용직 ,  김영진 ,  김유석

IPC: C04B18/04 ,  C04B28/02 ,  C04B22/14

CPC classification number: Y02W30/91 ,  C04B18/141 ,  C04B18/08 ,  C04B18/12 ,  C04B18/167 ,  C04B22/06 ,  C04B28/04 ,  C04B2201/05

Abstract: The present invention relates to a concrete binder composition for improving early strength, concrete improving early strength using the same, and a manufacturing method thereof, and more particularly, to a concrete binder composition for improving early strength, concrete improving early strength using the same, and a manufacturing method thereof, wherein, through the use of large amount of binders such as blast furnace slag micropowder, fly ash, waste concrete micropowder, tailings from a tungsten mine and the like, the purpose of the concrete binder composition is to improve early strength by reducing hydration heat so as to concrete cracks which can be generated by thermal stress as well as by having excellent early strength expression using sulfuric acid-based admixtures so as to improve compression strength.

Abstract translation: 本发明涉及一种提高早期强度的混凝土粘合剂组合物，使用该混凝土的早期强度的混凝土的早期强度及其制造方法，更具体地说，涉及一种提高早强度的混凝土粘合剂组合物， 及其制造方法，其中，通过使用大量的粘结剂如高炉渣微粉，飞灰，废混凝土微粉，来自钨矿的尾矿等，混凝土粘合剂组合物的目的是改善早期 通过减少水合热量以产生可由热应力产生的混凝土裂纹以及通过使用硫酸基混合物具有优异的早期强度表达以提高抗压强度的强度。

公开(公告)号：KR1020130108222A

公开(公告)日：2013-10-02

申请号：KR1020130089261

申请日：2013-07-29

Applicant: 영진글로벌(주)

Inventor： 이강우 ,  이강진 ,  김정선

IPC: C04B22/14 ,  C04B18/14 ,  C04B28/16

CPC classification number: Y02W30/94 ,  C04B22/143 ,  C04B7/21 ,  C04B14/28 ,  C04B18/0418 ,  C04B28/08 ,  C04B2201/05

Abstract: PURPOSE: A cement composition is provided to improve initial strength of slag cement by using cement admixture which contains titanogypsum, limestone, and purified water sludge. CONSTITUTION: A cement composition is composed of cement and an admixture for strength improvement. The admixture contains titanogypsum, limestone, and purified water sludge. The cement is slag cement. A production method of the cement includes the following steps; (a) a preprocess solution is prepared mixing a stimulant into water; and (b) blast furnace slag is pulverized after spraying the preprocessing solution onto the blast furnace slag. The stimulant contains at least one among hydrogen peroxide, aluminum sulfate, and sodium thiosulfate. The stimulant is mixed with an amount ranged 5-10 parts by weight per 100.0 parts by weight of water. The preprocessing solution is sprayed with an amount ranged 0.5-1.5 parts by weight per 100.0 of the blast furnace slag. The blast furnace slag on which the preprocessing solution is sprayed is pulverized for 2-4 minutes in a mill and get fineness of 4,000-4500cm^2/g. [Reference numerals] (AA) Titanium; (BB) Sludge; (CC) Limestone

Abstract translation: 目的：提供一种水泥组合物，通过使用含有钛石膏，石灰石和纯化水泥的水泥混合物来提高矿渣水泥的初始强度。 构成：水泥组合物由水泥和强化剂的混合物组成。 混合物含有钛石膏，石灰石和净化水泥。 水泥是矿渣水泥。 水泥的生产方法包括以下步骤： （a）制备将兴奋剂混合到水中的预处理溶液; （b）将预处理溶液喷洒到高炉矿渣上后，将高炉渣粉碎。 兴奋剂含有过氧化氢，硫酸铝和硫代硫酸钠中的至少一种。 将兴奋剂以每100.0重量份水为5-10重量份的量混合。 预处理溶液的喷涂量为每100.0高炉矿渣0.5-1.5重量份。 将其中喷雾预处理溶液的高炉矿粉在研磨机中粉碎2-4分钟，得到细度为4,000-4500cm 2 / g。 （附图标记）（AA）钛; （BB）污泥; （CC）石灰石

公开(公告)号：KR101302475B1

公开(公告)日：2013-09-02

申请号：KR1020130031426

申请日：2013-03-25

Applicant: (주) 에이텍정밀화학

Inventor： 정이석 ,  조용인 ,  임준우 ,  김민성 ,  이성민 ,  김미정

IPC: C04B22/06 ,  C04B22/16 ,  C04B22/14

CPC classification number: C04B22/06 ,  C04B22/122 ,  C04B22/141 ,  C04B22/148 ,  C04B22/165 ,  C04B24/122 ,  C04B2103/0094 ,  C04B2201/05

Abstract: PURPOSE: A concrete accelerating agent is provided to secure liquid stability under oversaturation of aluminum oxide and sulfate ion, and to show excellent quick setting power, cohesive property and early strength by increased content of aluminum oxide and sulfate ion. CONSTITUTION: A manufacturing method of a concrete accelerating agent comprises the steps of: manufacturing aluminum hydroxide solution by dissolving a mixture comprising aluminum hydroxide in hydrofluoric acid (S1); manufacturing mixed solution of aluminum hydroxide and aluminum sulfate by dissolving aluminum sulfate in the aluminum hydroxide solution (S2); and controlling pH of the mixed solution and injecting a stabilizer (S3). In the step S1, sulfuric acid is more added when adding the hydrofluoric acid. The stabilizer is a reaction stabilizer for increasing reaction stability, and comprises amines. The stabilizer is an oversaturated liquid stabilizer for securing stability of the mixed solution, and comprises manesiums. The concrete accelerating agent comprises: 8-15 wt% of Al(OH)3; 0.1-0.5 wt% of phosphoric acid group; 16-18 wt% of HF; 1.5-2.5 wt% of magnesiums; and 20.30 wt% of water. [Reference numerals] (AA) Start; (BB) End; (S1) Dissolving hydrofluoric acid; (S2) Dissolving aluminum sulfate; (S3) Controlling pH and injecting a stabilizer

Abstract translation: 目的：提供一种混凝土加速剂，以确保氧化铝和硫酸根离子过饱和时的液体稳定性，并通过增加氧化铝和硫酸根离子的含量显示出优异的快速凝固力，内聚性和早期强度。 构成：混凝土加速剂的制造方法包括以下步骤：通过将包含氢氧化铝的混合物溶解在氢氟酸（S1）中来制造氢氧化铝溶液; 通过将硫酸铝溶解在氢氧化铝溶液（S2）中制造氢氧化铝和硫酸铝的混合溶液; 并控制混合溶液的pH并注入稳定剂（S3）。 在步骤S1中，加入氢氟酸时加入更多的硫酸。 稳定剂是用于提高反应稳定性的反应稳定剂，并且包括胺。 稳定剂是用于确保混合溶液的稳定性的过饱和液体稳定剂，并且包括镁。 混凝土加速剂包括：8-15重量％的Al（OH）3; 0.1-0.5重量％的磷酸基; 16-18重量％的HF; 1.5-2.5重量％的镁; 和20.30重量％的水。 （附图标记）（AA）开始; （BB）结束; （S1）溶解氢氟酸; （S2）溶解硫酸铝; （S3）控制pH值并注入稳定剂

公开(公告)号：KR101247440B1

公开(公告)日：2013-03-25

申请号：KR1020120122758

申请日：2012-10-31

Applicant: 주식회사 동양 ,  동양시멘트 주식회사

Inventor： 원영조 ,  김일중 ,  김성빈 ,  김광련 ,  임경연 ,  송용순 ,  박광훈

IPC: C04B14/02 ,  C04B18/14 ,  C04B28/02 ,  B28B11/00

CPC classification number: Y02W30/94 ,  C04B28/02 ,  C04B18/141 ,  C04B22/143 ,  C04B40/024 ,  C04B2103/302 ,  C04B2201/05 ,  E02D5/58 ,  E02D2300/002

Abstract: PURPOSE: A PHC pile concrete composition of low carbon environment-friendly high endurance nature is provided to realize super high strength and effectively reduce carbon emission by lowering atmospheric steam curing temperature through optimal engagement ash and composition ratio. CONSTITUTION: A PHC pile concrete composition for low carbon environment-friendly and high endurance nature comprises unit combination discretion 350-450kg/m^3, unit water content 100-130kg/m^3, unit fine aggregate content 700-900kg/m^3, and unit coarse aggregate content 1100-1300kg/m^3. A binding material comprises a chemical admixture 1.0-2.5weight% which is super plasticizer based on the binding material. A fine aggregate percentage is 33-42%. A maximum size of coarse aggregate is 10-25mm. The binding material comprises fine particles of slag 1-30 parts by weight about first class of Goble lane cement of specific surface area 4500-5500cm^2/g or third class high early strength cement 70-99 parts by weight. Hydrofluoric acid gypsum is more mixed to 1-10 parts by weight with the total 100.0 of the Goble lane cement or third class high early strength cement and slag powder.

Abstract translation: 目的：提供低碳环保高耐久性的PHC桩混凝土组合物，通过最佳的接合灰分和组成比降低大气蒸汽固化温度，实现超高强度，有效降低碳排放。 构成：低碳环保高耐久性的PHC桩混凝土组成包括单位组合酌量350-450kg / m ^ 3，单位含水量100-130kg / m ^ 3，单位细骨料含量700-900kg / m ^ 3，单位粗骨料含量1100-1300kg / m ^ 3。 结合材料包含1.0-2.5重量％的化学混合物，其为基于粘合材料的超增塑剂。 合格百分比为33-42％。 粗骨料的最大尺寸为10-25mm。 结合材料包括相对于第一类比表面积为4500-5500cm ^ 2 / g的Goble车道水泥或70-99重量份的第三类高强度水泥，熔渣的细颗粒为1-30重量份。 氢氟酸石膏混合1-10份重量，总高100％的Goble车道水泥或三级高强度早期水泥和渣粉。

公开(公告)号：KR101246114B1

公开(公告)日：2013-03-22

申请号：KR1020120124534

申请日：2012-11-06

Applicant: 주식회사 네비엔

Inventor： 이진섭 ,  강태성 ,  정기롱 ,  전재홍

IPC: C04B18/14 ,  C04B28/02 ,  C04B14/38 ,  C04B22/14

CPC classification number: Y02W30/94 ,  C04B18/141 ,  C04B14/48 ,  C04B16/02 ,  C04B22/142 ,  C04B28/02 ,  C04B2103/302 ,  C04B2201/05 ,  C04B2201/50 ,  E21D11/04

Abstract: PURPOSE: A segment concrete composition applied to TBM method is provided to reduce the number of steel reinforcement of segment using high tensile steel reinforcement and enhances rigidity and fire-resistance efficiency of concrete which is between high tensile steel reinforcement. CONSTITUTION: A segment concrete composition applied to TBM method comprises a binding material 500-600kg/m^3, a fine aggregate 800-900 kg/m^3, an aggregate 800-1000 kg/m^3, water 140-180 kg/m^3, an early strength expression agent 2.52-5.04 kg/m^3, a fireproof fiber 0.414-0.972 kg/m^3 and a reinforcing fiber 10-60 kg/m^3 about a concrete unit volume. The binding material comprises cement 250-550kg/m^3 and blast furnace slag micropowder 50-300kg/m^3 about a concrete unit volume. A replacement ratio of blast furnace slag micropowder is 10-50% in the binding material, a water weight ratio(%) of binding material is 28-38, and a fine aggregate ratio of whole aggregate is 45-55 volume%. [Reference numerals] (AA) Compressive intensity(MPa); (BB) 12 hours; (CC) 3 days; (DD) 7 days; (EE) 28 days; (FF) Replacement rate of blast furnace slag(%)

Abstract translation: 目的：提供应用于TBM方法的段混凝土组合物，以减少使用高强度钢筋的段钢筋数量，提高高强度钢筋之间混凝土的刚性和耐火效率。 构成：应用于TBM方法的段混凝土组合物包括粘合材料500-600kg / m 3，细骨料800-900kg / m 3，骨料800-1000kg / m 3，水140-180kg / m ^ 3，早期强度表达剂2.52-5.04kg / m ^ 3，耐火纤维0.414-0.972kg / m 3，增强纤维10-60kg / m 3约混凝土单位体积。 结合材料包括水泥250-550kg / m 3，高炉矿渣微粉50-300kg / m 3，约为混凝土单位体积。 高炉矿渣微粉替代率在粘合材料中为10-50％，结合材料的水重量比（％）为28-38，全骨料的细骨料比为45-55体积％。 （标号）（AA）抗压强度（MPa） （BB）12小时; （CC）3天; （DD）7天; （EE）28天; （FF）高炉渣替代率（％）

公开(公告)号：KR101006890B1

公开(公告)日：2011-01-12

申请号：KR1020100101889

申请日：2010-10-19

Applicant: (유)한국기계 ,  전옥 ,  전창훈

Inventor： 전옥 ,  전창훈

IPC: C04B28/16 ,  C04B24/04 ,  C04B14/04 ,  E04G23/02

CPC classification number: C04B14/38 ,  C04B24/023 ,  C04B28/04 ,  C04B2103/0092 ,  C04B2201/05 ,  E04G23/02

Abstract: PURPOSE: A cold weather mortar cement composition is provided to obtain cold weather mortar with high strength, excellent adhesion and workability. CONSTITUTION: A cold weather mortar cement composition includes high early strength cement, fibrous gypsum, accelerator for freezing resistance, reinforcing fiber, polycarboxylic acid-based water reducing agent and plasticizer. The cement composition includes, 100 parts by weight of high early strength cement, 1-10 parts by weight of fibrous gypsum, 1-10 parts by weight of accelerator for freezing resistance, 0.01-3 parts by weight of reinforcing fiber, 0.1-0.5 parts by weight of polycarboxylic acid-based water reducing agent and 0.1-0.5 parts by weight of plasticizer.

Abstract translation: 目的：提供冷天气砂浆水泥组合物，以获得高强度，优异的附着力和可加工性的冷气砂浆。 构成：冷天气砂浆水泥成分包括高强度水泥，纤维石膏，防冻加速剂，增强纤维，聚羧酸类减水剂和增塑剂。 该水泥组合物包括：100重量份的高强度水泥，1-10重量份的纤维石膏，1-10重量份的防冻加速剂，0.01-3重量份的增强纤维，0.1-0.5 重量份的多元羧酸类减水剂和0.1-0.5重量份的增塑剂。