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1. 发明专利

JP2008081990A Shield tunnel construction method 有权
标题翻译：盾构隧道施工方法
公开(公告)号：JP2008081990A
公开(公告)日：2008-04-10
申请号：JP2006261852
申请日：2006-09-27
申请人： Dc Co Ltd , Kajima Corp , 株式会社デイ・シイ , 鹿島建設株式会社
发明人： YANAI SHUJI , ARAI TAKAHIRO , SUDA NOBUHIRO , MATSUBARA KOMEI , TAKIMOTO KUNIHIKO , YOSHIDA EISHIN , HIROSHIMA AKIO , FUTADO NOBUKAZU , TAKAHASHI SHOICHI
IPC分类号： E21D11/04 , B28B23/08
摘要： PROBLEM TO BE SOLVED: To provide a technology for pouring a grout material applicable to a construction method for a shield tunnel of a middle bore class or a large bore class with bore exceeding, for example, 3 meters and capable of preventing the occurrence of a flow ahead phenomenon.
SOLUTION: In this shield tunnel construction method for introducing prestress in the circumferential direction of the tunnel by inserting a PC steel material into a sheath after assembling concrete segments by one ring and fixing it tensely, a hydraulic grout having a flow of 60 mm or larger and smaller than 100 mm at a non-vibration time in a JASS flow test (ϕ50×h50 mm), having a property for making the measurement of a flow-down time impossible in a JP funnel test (being blocked), and having a compressive strength of 30 N/mm
2 or larger as a material having an age of 7 days is used as the grout material when filling a cavity at the sheath with the grout material.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于浇注适用于具有超过例如3米的孔的中孔或大孔等级的盾构通道的施工方法的灌浆材料的技术，并且能够防止发生流向现象。
解决方案：在这种用于在隧道圆周方向上引入预应力的盾构隧道施工方法中，通过一个环组装混凝土段并将其紧固固定后，将PC钢材料插入护套中，将流量为60 在JASS流量试验（φ50×h50mm）中的非振动时间为10mm以上且小于100mm，具有在JP漏斗试验（阻止）中不能进行流通时间的测定的性质，并且当使用灌浆材料在护套上填充空腔时，将具有年龄为7天的材料的抗压强度为30N / mm 2 / SP以上的材料用作灌浆材料。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2007217197A Cement composition for shrinkage-compensating concrete and premix cement composition 有权
标题翻译：水泥混凝土和水泥组合物的水泥组合物
公开(公告)号：JP2007217197A
公开(公告)日：2007-08-30
申请号：JP2006036442
申请日：2006-02-14
申请人： Dc Co Ltd , 株式会社デイ・シイ
发明人： HIROSHIMA AKIO , KUBOTA MASARU , FUTADO NOBUKAZU , KOIBUCHI KIYOSHI
IPC分类号： C04B28/04 , C04B7/345 , C04B18/14 , C04B22/06 , C04B22/14 , C04B111/34
CPC分类号： C04B28/04 , C04B2111/34 , Y02W30/94 , C04B18/141 , C04B22/143 , C04B38/02 , C04B14/04 , C04B22/062
摘要： PROBLEM TO BE SOLVED: To provide a cement composition for shrinkage-compensating concrete, which is reduced in an excess temperature rise apt to occur in the inside of a large concrete structure or a thick concrete member and reduced in autogeneous shrinkage to reduce cracking due to them and can exhibit good and uniform strength development and to provide a premix cement composition which constitutes part of such cement composition.
SOLUTION: The cement composition for shrinkage-compensating concrete comprises normal portland cement, a coarsely powdered water-granulated blast furnace slag having a Blaine specific surface area of 1,500 to 3,600 cm
2 /g, and an expanding component.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于收缩补偿混凝土的水泥组合物，其在大混凝土结构或厚混凝土构件的内部减少过度的温度上升，并减少自收缩减少由于这些水泥组合物的一部分，由于它们而产生裂纹并且可以显示出良好且均匀的强度发展并提供预混合水泥组合物。解决方案：用于收缩补偿混凝土的水泥组合物包括普通硅酸盐水泥，具有布莱因比表面积为1,500至3600cm 2 / SP / g的粗粉末水粒状高炉矿渣，以及扩展组件。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2006248887A Cement composition 有权
标题翻译：水泥组合物
公开(公告)号：JP2006248887A
公开(公告)日：2006-09-21
申请号：JP2005230530
申请日：2005-08-09
申请人： Dc Co Ltd , Dps Bridge Works Co Ltd , ドーピー建設工業株式会社 , 株式会社デイ・シイ
发明人： FUTADO NOBUKAZU , KOIBUCHI KIYOSHI , HIROSHIMA AKIO , SUZUKI SHOICHI , KASHIWAZAKI SHUZO , EBINA TAKAYUKI , HAMADA YUZURU
IPC分类号： C04B28/02 , C04B14/02 , C04B14/10 , C04B22/06 , C04B22/10 , C04B22/14 , C04B24/16 , C04B24/26 , C04B24/38 , C04B111/70 , E04G21/12
CPC分类号： Y02W30/94
摘要： PROBLEM TO BE SOLVED: To provide a cement composition which is used in a grout material or the like, is free from the occurrence of bleeding, exhibits good strength manifestation and has excellent workability so as to be capable of being injected under low injecting pressure, and to provide the grout material using the cement composition.
SOLUTION: The cement composition, which is used in the grout material or the like, consists essentially of a cement-based material containing 0.1-0.5 wt% bentonite to the whole amount of the cement composition, 0.04-0.15 wt% additive such as sodium carbonate for increasing the swelling property of the bentonite and a high performance water reducing agent. An expanding material of ≤6 wt% is further added optionally. In addition, it is effective to add a cellulose-based thickener of about 0.05-0.3 wt% in order to suppress as much as possible the generation of pressurized bleeding water.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：待解决的问题：为了提供一种用于灌浆材料等的水泥组合物，没有渗血的发生，具有良好的强度表现，并且具有优异的可加工性，从而能够在低温下注入注入压力，并使用水泥组合物提供灌浆材料。用于水泥浆料等的水泥组合物基本上由水泥基材料组成，该水泥基材料含有0.1-0.5重量％的膨润土，占整个量的水泥组合物，0.04-0.15重量％的添加剂例如增加膨润土膨胀性能的碳酸钠和高性能减水剂。进一步添加≤6重量％的膨胀材料。此外，添加约0.05-0.3重量％的纤维素类增稠剂是有效的，以便尽可能地抑制加压出血水的产生。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2005350305A Cement admixture and cement composition 审中-公开
标题翻译：水泥混合料和水泥组合物
公开(公告)号：JP2005350305A
公开(公告)日：2005-12-22
申请号：JP2004173269
申请日：2004-06-11
申请人： Dc Co Ltd , 株式会社デイ・シイ
发明人： FUTADO NOBUKAZU , KUBOTA MASARU , HIROSHIMA AKIO , KOIBUCHI KIYOSHI
IPC分类号： C04B22/14 , C04B18/14 , C04B22/06 , C04B28/02 , C04B103/60
CPC分类号： Y02W30/94
摘要： PROBLEM TO BE SOLVED: To provide a cement admixture and a cement composition which are used in the field of cement or concrete and can suppress the occurrence of crack as much as possible in high strength concrete under a steam curing condition and a normal curing condition.
SOLUTION: The cement admixture consists essentially of 100 pts.wt. II type anhydrous gypsum, 20-300 pts.wt. silica fume and 20-300 pts.wt. blast furnace slag powder 1-10% of which has ≥90 μm particle diameter, or consists essentially of 100 pts.wt. II type anhydrous gypsum, 20-300 pts.wt. silica fume, 20-300 pts.wt. blast furnace slag powder 1-10% of which has ≥90 μm particle diameter and 10-100 pts.wt. expansive admixture material. The cement composition comprises 6-50 pts.wt. cement mixture and 100 pts.wt. cement.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供在水泥或混凝土领域中使用的水泥混合物和水泥组合物，并且可以在高强度混凝土中在蒸汽固化条件和正常条件下尽可能多地抑制裂纹的发生固化条件。
解决方案：水泥掺合料基本上由100重量份 II型无水石膏，20-300重量份硅粉和20-300重量份高炉渣粉1-10％，其粒径≥90μm，或基本上由100重量份组成。 II型无水石膏，20-300重量份硅粉，20-300重量份高炉渣粉1-10％，其粒径≥90μm，10-100重量份。膨胀外加剂材料。水泥组合物包含6-50重量份水泥混合物和100重量份水泥。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2007297226A Cement admixture and cement composition using the same 有权
标题翻译：水泥组合物和水泥组合物使用相同
公开(公告)号：JP2007297226A
公开(公告)日：2007-11-15
申请号：JP2006124794
申请日：2006-04-28
申请人： Dc Co Ltd , Okutama Kogyo Co Ltd , 奥多摩工業株式会社 , 株式会社デイ・シイ
发明人： FUTADO NOBUKAZU , KOIBUCHI KIYOSHI , KUBOTA MASARU , HIROSHIMA AKIO , ISHIHARA MASAYUKI , YAMASHITA KAZUO
IPC分类号： C04B22/06 , C04B7/19 , C04B14/28 , C04B18/08 , C04B22/14 , C04B24/18 , C04B28/08
CPC分类号： Y02P40/143 , Y02W30/92
摘要： PROBLEM TO BE SOLVED: To provide a cement admixture from which a cement hardened material such as low exothermic low shrinkage concrete or the like can be obtained while suppressing excess expansion as an expanding material, and to provide a cement composition. SOLUTION: The cement admixture as an expanding material contains quicklime, anhydrous gypsum and inorganic powder such as limestone fine powder, which are blended so that the weight ratio of the quicklime to the total weight of the resulting mixture is 25-50%, the weight ratio of the anhydrous gypsum to the weight 1 of the quicklime is 0.25-1, and the weight ratio of the inorganic powder to the weight 1 of the quicklime is 0.7-2. It is preferable that the weight ratio(%) of quicklime:anhydrous gypsum:inorganic powder is 25-45:10-50:25-45. Quicklime having a slaking temperature rise ΔT per 10 min of 30-50°C is preferably used as the quicklime. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种水泥混合物，由此可以获得诸如低放热低收缩混凝土等的水泥硬化材料，同时抑制作为膨胀材料的过量膨胀，并提供水泥组合物。解决方案：作为膨胀材料的水泥外加剂含有生石灰，无水石膏和无机粉末如石灰石细粉，其混合物使得生石灰与所得混合物的总重量的重量比为25-50％，无水石膏与生石灰的重量1的重量比为0.25-1，无机粉末与生石灰的重量比1的重量比为0.7-2。生石灰：无水石膏：无机粉末的重量比（％）优选为25-45：10-50：25-45。作为生石灰，优选使用具有30-50℃的10分钟的降温温度ΔT的生石灰。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2007045665A Expansive admixture material for cement product and cement composition 有权
标题翻译：用于水泥产品和水泥组合物的膨胀粘合材料
公开(公告)号：JP2007045665A
公开(公告)日：2007-02-22
申请号：JP2005231786
申请日：2005-08-10
申请人： Dc Co Ltd , Okutama Kogyo Co Ltd , 奥多摩工業株式会社 , 株式会社デイ・シイ
发明人： FUTADO NOBUKAZU , KUBOTA MASARU , HIROSHIMA AKIO , KOIBUCHI KIYOSHI , WATANABE YUSUKE , KOJIMA TOSHIMORI , YAMASHITA KAZUO
IPC分类号： C04B22/06 , C04B14/26 , C04B18/14 , C04B22/14 , C04B24/16 , C04B24/18 , C04B28/02
CPC分类号： Y02W30/94
摘要： PROBLEM TO BE SOLVED: To provide an expansive admixture material for cement products securing a specified expansion amount in a specified time and expressing satisfactory strength without damaging the fluidity of cement products such as mortar, concrete, etc. SOLUTION: This expansive admixture material for cement products is prepared by compounding 0.15-3.0 parts by weight alkali metal sulfonate in solid content to 100 parts by weight powder comprising 20-100 parts by weight the type II anhydrous gypsum being compounded to 100 parts by weight (in terms of CaO) quick lime having a digestion temperature rise of 30-50°C in 10 minutes. This gives an expansive admixture material for cement products securing a specified expansion amount in a specified time and expressing satisfactory strength without damaging the fluidity. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于在规定时间内确保特定膨胀量并且表现出令人满意的强度而不损害诸如砂浆，混凝土等的水泥制品的流动性的水泥制品的膨胀性外加剂材料。解决方案：用于水泥制品的这种膨胀性外加剂材料通过将0.15-3.0重量份固体含量的碱金属磺酸盐与100重量份的粉末混合制备，所述粉末包含20-100重量份的II型无水石膏，其混合到100重量份在10分钟内消化温度升高30-50℃的CaO的生石灰。这为水泥产品提供了一种膨胀性外加剂，在特定时间内确保了规定的膨胀量，并表现出令人满意的强度，而不损害流动性。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2005281123A Admixture for cement or concrete and cement composition 审中-公开
标题翻译：水泥或混凝土和水泥组合物的混合物
公开(公告)号：JP2005281123A
公开(公告)日：2005-10-13
申请号：JP2004181944
申请日：2004-06-21
申请人： Dc Co Ltd , 株式会社デイ・シイ
发明人： MIYAZAWA SHINGO , HIROSHIMA AKIO , KUBOTA MASARU , FUTADO NOBUKAZU , KOIBUCHI KIYOSHI
IPC分类号： C04B18/14 , C04B22/14 , C04B28/04
CPC分类号： Y02W30/94
摘要： PROBLEM TO BE SOLVED: To more cost-effectively provide an admixture and cement composition used in the field of cement or concrete suppressed in the occurrence of crazing as far as possible in concrete using granulated blast furnace slag. SOLUTION: The admixture for the cement or concrete is composed of 98 to 75 wt.% granulated blast furnace slag of 1,500 to 3,600 cm 2 /g in Blaine specific surface area and 2 to 25 wt% anhydrous gypsum. The cement composition is composed of 30 to 70 wt% such admixture and 30 to 70 wt% portland cement. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了更具成本效益地提供在水泥或混凝土领域中使用的混合物和水泥组合物，尽可能在使用颗粒状高炉矿渣的混凝土中尽可能地抑制裂纹的发生。解决方案：水泥或混凝土的混合物由Blaine比表面积中的98至75重量％的1,500至3600厘米（SP 2）/克/克/克的造粒高炉矿渣和2至25重量％％无水石膏。水泥组合物由30至70重量％的这种混合物和30至70重量％的波特兰水泥组成。版权所有（C）2006，JPO＆NCIPI

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