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1. 发明专利

JP2008007845A Cold-worked steel pipe 有权
标题翻译：冷作钢管
公开(公告)号：JP2008007845A
公开(公告)日：2008-01-17
申请号：JP2006182042
申请日：2006-06-30
申请人： Nakajima Steel Pipe Co Ltd , Sumitomo Metal Ind Ltd , ナカジマ鋼管株式会社 , 住友金属工業株式会社
发明人： SETA ICHIRO , ICHINOHE YASUO , NAKAMURA HIROSHI , FUJIWARA TOMOYA , NISHIO MASARU , ONISHI KAZUSHI , KAWAMOTO MASAYUKI , NAKAJIMA NORIO , NAKAJIMA YASUHITO , KANO YASUO
IPC分类号： C22C38/00 , C21C7/076 , C21D8/10 , C22C38/14 , C22C38/58
CPC分类号： Y02P10/242
摘要： PROBLEM TO BE SOLVED: To provide a cold-worked steel pipe having excellent weldability and plastic deformability in a cold-worked part. SOLUTION: The cold-worked steel pipe with a wall thickness of 16 to 100 mm has a composition comprising, by mass, 0.05 to 0.18% C, 0.001 to 0.55% Si, 0.8 to 1.6% Mn, ≤0.020% P, ≤0.005% S, 0.001 to 0.060% Al, 0.005 to 0.035% Ti and 0.0015 to 0.006%N, and the balance Fe with impurities, and in which the content of O is defined to ≤0.0050%, fHAZ in formula (a) is ≤0.46%, a carbon equivalent Ceq is 0.30 to 0.45%, a weld crack sensitivity composition Pcm is 0.10 to 0.29%, the cleanliness in a region from the outer surface of the steel pipe to a depth of 2 mm is 0.005 to 0.1%, yield strength is 325 to 540 MPa, tensile strength is 490 to 680 MPa, and also, the ratio of the yield strength/tensile strength is ≤0.80: fHAZ=C+Mn/8+6P+6S+12N-4Ti... formula (a). COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种在冷加工部件中具有优异的焊接性和塑性变形性的冷加工钢管。解决方案：壁厚为16〜100mm的冷加工钢管，其组成为：0.05〜0.18％的C，0.001〜0.55％的Si，0.8〜1.6％的Mn，≤0.020％的P ，≤0.005％S，0.001〜0.060％的Al，0.005〜0.035％的Ti和0.0015〜0.006％的N，余量为Fe的杂质，其中O的含量定义为≤0.0050％，式（a ）≤0.46％，碳当量Ceq为0.30〜0.45％，焊接裂纹敏感性组成Pcm为0.10〜0.29％，从钢管外表面到深度2mm的区域的清洁度为0.005〜 0.1％，屈服强度为325〜540MPa，拉伸强度为490〜680MPa，屈服强度/拉伸强度的比例为≤0.80:fHAZ= C + Mn / 8 + 6P + 6S + 12N-4Ti ...公式（a）。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2007308967A Steel column connection structure and steel column connection method 有权
标题翻译：钢柱连接结构和钢柱连接方法
公开(公告)号：JP2007308967A
公开(公告)日：2007-11-29
申请号：JP2006139241
申请日：2006-05-18
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： SASAKI MASAMICHI , FUKUDA KOJI , ICHINOHE YASUO , KITAOKA SATOSHI , KAWABATA TOMOYA
IPC分类号： E04B1/58 , E04B1/24
摘要： PROBLEM TO BE SOLVED: To provide a steel column connection structure which can correct inclination of a column at a steel column connection portion and exerts excellent workability even if a cross section of the connection portions is expanded, and to provide a steel column connection method.
SOLUTION: The steel column connection structure is provided for butting connection surfaces of the upper and lower steel columns 1, 2 against each other to connect the steel columns 1, 2 to each other. The connection surfaces 31, 32 of the upper and lower steel columns 1, 2 are formed into a convex surface and a concave surface having the same radius of curvature a so as to accommodate adjustment of a connection angle between the steel columns 1, 2. Thus when the connection surfaces 31, 32 are connected together, centers of curvature of the respective connection surfaces conform to each other, and therefore relative rotational deviation between the connection surfaces in every direction is allowed around the centers of curvature.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：为了提供一种钢柱连接结构，其可以校正钢柱连接部分的倾斜度，并且即使连接部分的横截面膨胀也施加优异的可加工性，并且提供钢柱连接方式。解决方案：钢柱连接结构用于将上，下钢柱1,2的对接连接表面彼此连接，以将钢柱1,2彼此连接。上，下钢柱1,2的连接面31,32形成为具有相同曲率半径a的凸面和凹面，以适应钢柱1,2之间的连接角度的调节。因此，当连接表面31,32连接在一起时，各个连接表面的曲率中心彼此相符，因此允许在每个方向上的连接表面之间的相对旋转偏差围绕曲率中心。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2004162455A Pile head connection structure 审中-公开
标题翻译：桩头连接结构
公开(公告)号：JP2004162455A
公开(公告)日：2004-06-10
申请号：JP2002331679
申请日：2002-11-15
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： FUKUDA KOJI , ICHINOHE YASUO , IKEDA MAKOTO , SUZUKI MASAAKI
IPC分类号： E02D27/12
摘要： PROBLEM TO BE SOLVED: To provide a pile head connection structure of a steel pipe pile or a steel pipe reinforced concrete pile, which is stable in quality, low in cost, good in workability, and compact in size.
SOLUTION: According to the pile head connection structure, an outer steel pipe 4 having an inner diameter larger than the outer diameter of a pile steel pipe 1 is arranged on the periphery of a pile head. Then a plurality of anchor reinforcements 5 are arranged along an inner peripheral surface of the outer steel pipe 4 at regular intervals, and concrete 6 is poured into the outer steel pipe 4. The upper end of each anchor reinforcement is protruded upward from an upper edge of the concrete 6, and therefore by arranging necessary bars at a footing 3 portion and pouring concrete on the footing 3 portion, the pile head is connected to the footing 3 in one body without welding.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种钢管桩或钢管钢筋混凝土桩的桩头连接结构，其质量稳定，成本低，可加工性好，尺寸紧凑。解决方案：根据桩头连接结构，在桩头的周围设置有内径大于桩钢管1的外径的外侧钢管4。然后，以规定的间隔沿着外侧钢管4的内周面配置多个锚固加强件5，将混凝土6注入到外侧钢管4内。每个锚固加强件的上端从上部边缘的混凝土6，因此通过在基脚3部分设置必要的杆并将混凝土浇注在基脚3部分上，桩头在一个体内连接到基脚3而不进行焊接。版权所有（C）2004，JPO

4. 发明专利

JP2012087935A High-strength bolt friction joint part using high-strength steel 有权
标题翻译：使用高强度钢的高强度螺栓摩擦接合部件
公开(公告)号：JP2012087935A
公开(公告)日：2012-05-10
申请号：JP2011258576
申请日：2011-11-28
申请人： Katayama Stratec Kk , Nikken Sekkei Ltd , Sumitomo Metal Ind Ltd , 住友金属工業株式会社 , 株式会社日建設計 , 片山ストラテック株式会社
发明人： NISHIO MASARU , KAWABATA TOMOYA , ARIMOCHI KAZUSHIGE , ICHINOHE YASUO , SASAKI MASAMICHI , FUKUDA TAICHIRO , KUWABARA SUSUMU , KOTSU ISAO , TADA MOTOHIDE , MUKAIDE SEIJI , TAGA KENZO , FUJIHIRA SHOICHIRO , HASHIDA TOMOYUKI , NUMATA TOSHIYUKI
IPC分类号： F16B5/02 , E04B1/38
摘要： PROBLEM TO BE SOLVED: To secure stability and a high slip factor of a construction quality of a friction joint surface, when joining a high-strength steel material of a 700 MPa class or more by bolt friction joint.SOLUTION: This high-strength bolt friction joint part using high-strength steel is characterized in that when joining by a high-strength bolt by superposing a base material constituted of high-strength steel and a doubling plate constituted of steel of equal strength or strength lower than that, a superposing surface of the base material and the doubling plate is formed in a surface mode of securing a slip factor of 0.45 or more, and a mutually superposing surface of the base material and the doubling plate satisfies the following surface mode before joining. The formula (1) is represented: 1.2×TSB+1.4×(TSB-TSS)-2.0×(RSm-0.3×Rz)≤1,000, wherein TSB: base material strength [MPa], TSS: doubling plate strength [MPa], Rz: a roughness curve maximum height of a base material joint surface [μm], and RSm: a roughness curve crest-trough average interval of the base material joint surface [μm].
摘要翻译：要解决的问题：为了确保摩擦接合面的施工质量的稳定性和高滑移系数，当通过螺栓摩擦接头接合700MPa级以上的高强度钢材时。解决方案：使用高强度钢的高强度螺栓摩擦接合部的特征在于，当通过高强度螺栓通过叠加由高强度钢构成的基材和由相等的钢构成的加倍板接合时强度或强度低于基础材料和加倍板的叠加表面以确保滑移系数为0.45以上的表面模式形成，并且基材和双面板的相互叠置的表面满足以下加入前的表面模式。式（1）表示为1.2×TSB + 1.4×（TSB-TSS）-2.0×（RSm-0.3×Rz）≤1,000，其中TSB：基材强度[MPa]，TSS：双板强度[MPa] Rz：基材接合面的粗糙度曲线最大高度[μm]，RSm：基材接合面的粗糙度曲线峰值平均间隔[μm]。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2008284575A Welded column having box shape cross section 审中-公开
标题翻译：焊接柱有形箱形横截面
公开(公告)号：JP2008284575A
公开(公告)日：2008-11-27
申请号：JP2007130615
申请日：2007-05-16
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： SASAKI MASAMICHI , FUKUDA KOJI , ICHINOHE YASUO , KITAOKA SATOSHI , KAWABATA TOMOYA
IPC分类号： B23K9/00 , B23K103/04
摘要： PROBLEM TO BE SOLVED: To provide a welded column having a box shape cross section, which welded column can use a welding method of a small heat input such as the gas shielded arc welding and the submerged arc welding, and can reduce the degradation of the quality of steel members when a diaphragm is built in the column having the box shape cross section by welding. SOLUTION: In at least one plane of the welded column which has the box shape cross section and is composed of four skin plates, the outer face of the column is configured by the end face of a diaphragm 3 and the outer faces of two or more skin plates 2 divided into an upper part and a lower part. Then, the diaphragm 3 is welded to the skin plates 2 by the arc welding 12 from outside of the column member. Then, all sides of the diaphragm 3 is welded to the skin plates by the arc welding 11 from inside and by the arc welding 12 from outside. In the arc welding 11, 12, the welding heat input is small. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有盒形横截面的焊接柱，该焊接柱可以使用诸如气体保护电弧焊和埋弧焊的小热输入的焊接方法，并且可以减少当通过焊接将隔膜固定在具有箱形横截面的柱中时，钢构件的质量下降。解决方案：在具有盒形横截面并且由四个表皮板组成的焊接柱的至少一个平面中，柱的外表面由隔膜3的端面构成，外表面两个或更多个皮肤板2分成上部和下部。然后，隔膜3通过电弧焊12从柱构件的外部焊接到表皮板2。然后，隔膜3的所有侧面通过电弧焊11从内部通过电弧焊接12从外部焊接到皮肤板。在电弧焊11,12中，焊接热输入量小。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2007229759A High-tensile welded joint having excellent joint toughness, and method for manufacturing the same 有权
标题翻译：具有良好接合韧性的高强度焊接接头及其制造方法
公开(公告)号：JP2007229759A
公开(公告)日：2007-09-13
申请号：JP2006054025
申请日：2006-02-28
申请人： Katayama Stratec Kk , Sumitomo Metal Ind Ltd , 住友金属工業株式会社 , 片山ストラテック株式会社
发明人： KAWABATA TOMOYA , ARIMOCHI KAZUSHIGE , OKAGUCHI HIDEJI , SASAKI MASAMICHI , ICHINOHE YASUO , FUJIHIRA SHOICHIRO , HASHIDA TOMOYUKI , NUMATA TOSHIYUKI
IPC分类号： B23K9/23 , B23K9/16 , B23K35/30 , B23K103/04 , C21D8/02 , C22C38/00 , C22C38/06 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a high-tensile welded joint having high destructve safety in a HAZ and a method for manufacturing the same.
SOLUTION: The high-tensile welded joint is formed by using steel containing, by mass%, 0.05 to 0.15% C, 0.01 to 1.0% Si, 0.1 to 2.0% Mn, ≥0.15% P, ≤0.01% S, and 0.005 to 0.1% Al, and consisting of the balance Fe and impurities as a base material and arc welding the steel, in which the average plate thickness direction layer density is ≥0.22 pass/mm; the average value w
ave of the depth of penetration of each layer when the weld zone is viewed from the section and the average value W
ave of the width w of each layer satisfy formula (1). D
ave ave formula (1). The high-tensile welded joint has the tensile strength of ≥780 Mpa. Here, the average plate thickness direction layer density refers to the average thickness of the ratio of the member of weld layers to the length (mm) of the region in the plate thickness direction joined by welding with respect to a weld line which is the object for evaluation of toughness.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种在HAZ中具有高破坏安全性的高拉伸焊接接头及其制造方法。解决方案：高强度焊接接头通过使用以质量％计含有0.05〜0.15％C，0.01〜1.0％Si，0.1〜2.0％Mn，≥0.15％P，≤0.01％S，和0.005〜0.1％的Al，由余量的Fe和杂质构成的基材和电弧焊，其中平均板厚方向层密度≥0.22通/ mm; 满足各层的宽度w的焊接区域的各层的穿透深度的平均值w ave ，并且平均值W ave 满足公式1）。方程式（1）。高强度焊接接头的抗拉强度≥780Mpa。这里，平均板厚方向层密度是指焊接部件的比例与通过焊接连接的板厚方向的区域的长度（mm）相对于作为对象的焊接线的平均厚度用于评估韧性。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2005325630A Connecting metal fittings for building 审中-公开
标题翻译：连接用于建筑的金属配件
公开(公告)号：JP2005325630A
公开(公告)日：2005-11-24
申请号：JP2004146084
申请日：2004-05-17
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： TSUCHIDA MASATO , KITAOKA SATOSHI , ICHINOHE YASUO
IPC分类号： E04B1/58
摘要： PROBLEM TO BE SOLVED: To provide connecting metal fittings for a building capable of surely and firmly connecting a steel-made horizontal member installed as a beam or the like and a wooden member installed as a floor joist and a rafter or a sash bar or the like of a panel member thereon without using a connecting member such as a bolt or the like.
SOLUTION: The floor joist 2 installed on beams 1 and 1 is connected with the connecting metal fittings 3. The connecting metal fittings 3 consisting of a metal fitting body 4 longer than is wide in the shape of a rectangular plate and reinforced ribs 5 and 5 respectively projected to both edge end sections in the direction of a short side are approximately formed in a channel-shaped cross section. The reinforced ribs 5 and 5 are continued in the vertical direction of the metal fitting body 4, and they are projected at a right angle to the metal fitting body 4. Fitting slits 6 and 6 for fitting flanges 1a of the beams 1 in them and a plurality of nail holes 7 and 7 passing through nails 8 for stopping to the rafter 10 are respectively formed in both up and down end sides of the metal fitting body 4. Each fitting slit 6 crosses the rib 5 on one end side, and it is consecutively and horizontally formed in a predetermined length from one end side to the other end side in the direction of the short side of the metal fitting body 4.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于建筑物的连接金属配件，其能够可靠且牢固地连接被安装为梁等的钢制水平构件和安装为地板托梁和椽子或窗扇的木构件杆等，而不使用诸如螺栓等的连接构件。
解决方案：安装在梁1和1上的地板托梁2与连接金属配件3连接。连接金属配件3由金属配件主体4组成，长度大于矩形板和加强肋分别在短边方向上向两个边缘端部突出的5和5大致形成为通道形横截面。加强肋5和5在金属装配体4的垂直方向上延续，并且与金属配件主体4成直角地突出。用于将梁1的凸缘1a嵌入其中的配合狭缝6和6，在金属配件体4的上下两端分别形成有多个通过钉子8通向椽子10的钉孔7和7，每个配合狭缝6在一端侧与肋5相交，从金属配件主体4的短边方向的一端侧到另一端侧以规定的长度连续水平地形成。（C）2006年，JPO＆NCIPI

8. 发明专利

JP2005256368A Pile-head junction structure 审中-公开
标题翻译：桩头结构
公开(公告)号：JP2005256368A
公开(公告)日：2005-09-22
申请号：JP2004068215
申请日：2004-03-10
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： FUKUDA KOJI , ICHINOHE YASUO , KANEKO ETSUZO
IPC分类号： E02D5/34 , E02D27/00
摘要： PROBLEM TO BE SOLVED: To provide a pile-head junction structure, the cost of which is reduced and which easily absorbs an error on the execution of works and can decrease a pile-head bending moment. SOLUTION: The junction structure joins a pile 1 and a column 2 having footing beams 3 made of steel joined a column base section, and a rod-shaped metallic material 6 extended in the axial direction of the pile 1 and the column 2 is disposed in concrete 7 constituting the central section of a concrete cross section constituting the pile head section of the pile 1 and the column base section of the column 2. When the bending moment at a specified value or more works, a pile-head joining section is brought to a semi-fixed state by the extraction of the rod-shaped metallic material 6, the bending moment of the pile head section is reduced and the pile-head joining section can be formed in a simple structure at the low cost. The rod-shaped metallic material can be installed in the column 2 even to the error on the execution of works in the certain extent of the pile 1, and the error on the execution of works is absorbed easily in the horizontal direction. A base plate 4 at the lower end of the column 2 is used in common with a diaphragm for joining the footing beam and mandays for a junction working can be reduced, and the quantity of excavated soil can be decreased because the height of a footing-beam 3 section is lowered. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种桩头接合结构，其成本降低并且容易吸收作业执行的误差并且可以减少桩头弯矩。解决方案：接头结构连接桩1和具有连接到柱基部的由钢制成的基脚梁3的柱2和沿桩1的轴向延伸的杆状金属材料6和柱2 设置在构成桩1的桩头部分的混凝土横截面的中心部分和柱体2的柱基部的混凝土中。当具有特定值以上的弯矩工作时，桩头接合通过提取棒状金属材料6将部分带到半固定状态，减少了桩头部分的弯矩，并且以较低的成本可以以简单的结构形成桩头接合部分。即使在桩1的一定程度上执行作业时，也可以将柱状金属材料安装在列2中，并且在水平方向容易地吸收作业的执行错误。在柱2的下端处的基板4与用于接合基脚的隔膜共同使用，并且可以减少用于接合处理的功能，并且可以减少挖掘的土壤的量，光束3部分降低。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2005042424A Structure for joining steel pipe and reinforcing bar together 审中-公开
标题翻译：钢管接头和钢筋混凝土结构
公开(公告)号：JP2005042424A
公开(公告)日：2005-02-17
申请号：JP2003278165
申请日：2003-07-23
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： FUKUDA KOJI , ICHINOHE YASUO , IKEDA MAKOTO , SUZUKI MASAAKI
IPC分类号： E02D5/28 , E02D27/12
摘要： PROBLEM TO BE SOLVED: To provide a structure for joining a steel pipe and a reinforcing bar together, which is excellent in structural performance and cross-sectional efficiency of a joint, which can be easily manufactured by virtue of a simple shape of a joint member, and which can enhance workability and quality reliability by eliminating field welding.
SOLUTION: A hoop 2 with a diameter larger than an outside diameter of the steel pipe 1 is arranged around an upper end of the steel pipe 1. The reinforcing bar 3 is arranged as an anchoring bar between the upper end of the steel pipe 1 and the hoop 2. A protrusion 4 for preventing displacement is protrusively provided on the outside surface of the steel pipe 1. Concrete 5 is continuously infilled into the steel pipe 1, at the upper end of the steel pipe 1, and around the hoop 2 and a lower end side 3a of the reinforcing bar 3, so that the lower end side 3a of the reinforcing bar 3 can be integrally joined to the upper end of the steel pipe 1. Additionally, an upper end side 3b of each reinforcing bar 3 is raised above the steel pipe 1 by a predetermined length, so as to be anchored into a reinforced concrete member b.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于将钢管和钢筋接合在一起的结构，其结构性能和截面效率优异，可以容易地通过简单的形状制造联合成员，通过消除现场焊接可以提高可加工性和质量可靠性。解决方案：钢管1的上端围绕钢管1的直径大于直径的箍2布置。钢筋3设置在钢的上端之间的锚杆管1和箍2.用于防止位移的突起4突出地设置在钢管1的外表面上。混凝土5在钢管1的上端连续填充到钢管1的周围环箍2和钢筋3的下端侧3a，使得钢筋3的下端侧3a可以一体地接合到钢管1的上端。另外，每个增强件的上端侧3b 钢筋3在钢管1的上方突出规定长度，从而被固定在钢筋混凝土构件b中。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2005009300A Structure of joining steel pipe to reinforcement and pile head joint portion 审中-公开
标题翻译：钢管连接加固和桩头接头结构
公开(公告)号：JP2005009300A
公开(公告)日：2005-01-13
申请号：JP2004127180
申请日：2004-04-22
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： ICHINOHE YASUO , FUKUDA KOJI , IKEDA MAKOTO , SUZUKI MASAAKI
IPC分类号： E02D5/28 , E02D27/00 , E02D27/12
摘要： PROBLEM TO BE SOLVED: To provide a structure of joining a steel pipe to a reinforcement, superior in structural performance at a joint portion and sectional efficiency, easy to manufacture with a joint member in a simple shape and capable of improving constructiveness and quality reliability with no need for site welding. SOLUTION: A ring member 11 on which the reinforcement d is mounted is welded abutting on the end face of the steel pipe 1. The outer diameter of the ring member 11 is larger than the outer diameter of the steel pipe 1 and the inner diameter of the ring member 11 is smaller than the inner diameter of the steel pipe 1. On the outer peripheral side of the ring member 11 as an outer protrusion 11a, a plurality of holes 13 are formed into which the reinforcement d is inserted and fixed with nuts 14. The reinforcement d functions as a fixing reinforcement to a reinforced concrete member c, and the steel pipe 1 is integrated at its inside with the reinforcement d mounted on the ring member 11 via a concrete 2. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种将钢管连接到加强件上的结构，在接头部分具有优异的结构性能和截面效率，易于制造具有简单形状的接头部件并且能够提高结构性和质量可靠性，无需现场焊接。解决方案：将钢筋d安装在其上的环形构件11被焊接在钢管1的端面上。环形构件11的外径大于钢管1的外径，环状构件11的内径小于钢管1的内径。作为外侧突起11a，在作为外部突起11a的环状构件11的外周侧，形成有加强物d插入的多个孔13，用螺母14固定。加固件d用作钢筋混凝土构件c的固定加强件，钢管1在其内侧与通过混凝土2安装在环形构件11上的加强件d一体化。版权所有：（C）2005，JPO＆NCIPI

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