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1. 发明专利

JP2009091764A Device for releasing tensioning force of tendon, and construction method for releasing tensioning force of tendon by using it 有权
标题翻译：用于释放TENDON张力的装置，以及使用它来释放TENDON张力的构造方法
公开(公告)号：JP2009091764A
公开(公告)日：2009-04-30
申请号：JP2007261901
申请日：2007-10-05
申请人： Kyokuto Kogen Concrete Shinko Kk , 極東鋼弦コンクリート振興株式会社
发明人： ITAYA HIDEKATSU , SHIMANE MASAYA , KUROWA RYOSUKE
IPC分类号： E04G21/12 , E01D21/10 , E04C5/12
摘要： PROBLEM TO BE SOLVED: To provide a device for releasing a tensioning force of a tendon, which enables a wedge connection between a wedge and a wedge retainer to be surely released without reference to the constitution of the tendon, and a construction method for releasing the tensioning force of the tendon. SOLUTION: This device comprises: the wedge retainer 8 for bearing reaction of a tensioning force introduction device 1 for introducing the tensioning force into the tendon 3; the wedge 9 into which the tendon 3 is inserted, and which is engaged with the wedge retainer 8 in the state of integration with the tendon 3; and a reaction bearing member 6A which bears the tensioning force from the wedge 9 and inhibits the wedge 9 from moving in the direction of getting closer to the wedge retainer 8, when the tendon 3 is pulled by the tensioning force introduction device 1 and moved in the direction of isolation from the wedge retainer 8. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于释放腱的张紧力的装置，其能够在不参考腱的构造的情况下确保楔形和楔形保持器之间的楔形连接被可靠地释放，并且构造方法用于释放腱的张紧力。解决方案：该装置包括：楔形保持器8，其用于将张紧力引入到腱3中的张紧力引入装置1的反作用力; 其中插入有腱3的楔9，并且与腱3整合的状态与楔形保持器8接合; 以及反作用轴承部件6A，当绷带3被张紧力引入装置1拉动并移动时，反作用轴承部件6A承受来自楔形件9的张紧力并阻止楔块9沿更靠近楔形保持器8的方向移动与楔形保持架8隔离的方向。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2006265890A Bearing plate for prestressed concrete 审中-公开
标题翻译：预制混凝土轴承板
公开(公告)号：JP2006265890A
公开(公告)日：2006-10-05
申请号：JP2005083546
申请日：2005-03-23
申请人： Kyokuto Kogen Concrete Shinko Kk , 極東鋼弦コンクリート振興株式会社
发明人： HIROSE HARUJI , WATANABE KOJI , YAMAGUCHI TAKAHIRO , KUROWA RYOSUKE , UCHIYAMA SHUTARO
IPC分类号： E04C5/08 , E01D1/00
摘要： PROBLEM TO BE SOLVED: To provide a bearing plate for prestressed concrete, which allows an end of a tendon such as a prestressing steel to be anchored thereto, wherein the bearing plate ensures necessary flexural rigidity without increasing the thickness and mass thereof even when the bearing plate must be formed into a rectangle.
SOLUTION: The bearing plate 1 is set at an end of a concrete member 3 constituting a prestressed concrete structure, and has an insertion hole 1a formed therein, into which the end of the tendon 4 is anchored. The bearing plate 1 has projections 1b formed on one side thereof close to the concrete member 3, in order to ensure the rigidity thereof and at the same time enhance the adhesiveness thereof to the concrete. In this manner the rigidity of the bearing plate 1 in a long side direction is ensured, and punching shear resistance is enhanced, to thereby prevent local deformation at a loading section thereof.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于预应力混凝土的支承板，其允许诸如预应力钢的钢筋的端部锚固到其上，其中，轴承板确保必要的抗弯刚度，而不增加其厚度和质量甚至当轴承板必须形成矩形时。解决方案：支承板1设置在构成预应力混凝土结构的混凝土构件3的端部，并且在其中形成有插入孔1a，腱4的端部锚定在该插入孔1a中。轴承板1具有形成在靠近混凝土构件3的一侧上的突起1b，以确保其刚度，并且同时增强其对混凝土的粘合性。以这种方式，确保了轴承板1在长边方向上的刚度，并且提高了冲压剪切阻力，从而防止了其装载部分处的局部变形。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2014059157A Tension force estimating method for pc cable 有权
标题翻译： PC电缆张力预测方法
公开(公告)号：JP2014059157A
公开(公告)日：2014-04-03
申请号：JP2012202768
申请日：2012-09-14
申请人： Maeda Corp , 前田建設工業株式会社 , Kyokuto Kogen Concrete Shinko Co Ltd , 極東鋼弦コンクリート振興株式会社 , Nippon Ps Co Ltd , 株式会社日本ピーエス
发明人： SAKAKURA SEIJI , TANAKA KATSUMASA , IMANISHI HIDEKIMI , KAWAGUCHI TATSUYA , KUROWA RYOSUKE , YAMAMOTO YASUYUKI
IPC分类号： G01L5/10 , E04C5/08 , E04G21/12
摘要： PROBLEM TO BE SOLVED: To directly or easily estimate the tension force of a PC cable or cables without attaching an additional device or consequently increasing the dimensions of the members of a PC structure extremely.SOLUTION: A PC cable or cables 1, made tight together, are cut or separated at an arbitrary place. The cut or separated parts of the PC cable or cables 1 are connected by a connection securing device 2. A strain gauge 5 is attached to the body portion of the connection securing device 2. With tension force applied to the PC cable or cables 1, the tension force of the PC cable or cables 1 is estimated on the basis of the strain value of the body portion of the connection securing device 2, the value being detected by the strain gauge 5.
摘要翻译：要解决的问题：直接或容易地估计PC电缆或电缆的张力而不附加附加设备，或因此极大地增加PC结构的构件的尺寸。解决方案：PC电缆或电缆1紧密结合在任意的地方切割或分离。 PC电缆或电缆1的切割或分离的部件通过连接固定装置2连接。应变计5连接到连接固定装置2的主体部分。由于施加到PC电缆或电缆1的张力，基于连接固定装置2的主体部分的应变值估计PC电缆或电缆1的张力，该应变值由应变计5检测。

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