德克斯达集团|可靠的连接

The Broadway London, UK

The Broadway London, UK

The Broadway London project consists of six buildings, ranging between 13 and 19 stories tall. This mixed-use development is located between Westminster and Victoria, directly adjacent to St. James’s Park Station, on a 1.7-acre triangular site.

The development includes 268 luxury apartments. Its ground floor will house 25,000 sq. ft. of high-end retail units, while the 1st to 3rd floors will provide 116,000 sq. ft. of prime commercial space. It also features a colonnade between the east and west buildings, with landscaped residents’ gardens on the roof terraces.

Dextra supplied over 20,000 units of 格鲁特克S couplers, installed in 1,200 square and circular precast columns.

格鲁泰克 is a mechanical splicing system designed for the connection of precast elements in compliance with Eurocode 2, BS 8110, ACI 318, IBC, and AASHTO.

多哈连线(贾比尔堤道)

多哈连线(贾比尔堤道)

 
多哈连接线是目前正在科威特城西侧修建的一座海上桥梁项目。它最终将与科威特城北侧的另一个海上连接项目——科威特湾主堤道相连,这将使贾比尔堤道海上连接线成为中东地区有史以来最大的土木工程项目之一。多哈连接线位于科威特城西侧。由于这座7.7公里长的桥梁建在科威特湾的浅水区,它将最终解决交通拥堵问题,并提供一条直达的路线。  

钢筋 连接方案

Dextra参与了该建设项目的早期阶段,为陆上和海上基础桩的超大型钢筋笼的拼接提供技术解决方案。 Rolltec® 大直径钢筋连接器(32、36 和 40 毫米)用于连接笼子和 码头。整个项目使用两种等级的钢筋:ASTM 60 级和 80 级。Rolltec 在设计上与更高的 ASTM 80 级兼容;相同的连接器可用于所有应用,从而简化了库存。此外,上部结构和灯杆基础使用了直径较小的 12 毫米和 16 毫米钢筋连接器。Rolltec 对于偏远项目的主要优势之一是其非常轻便的机器配置。Rolltec 只需一台单人机器即可运行,生产效率极高。由于设备相对较小,并且钢筋准备工作在跨海大桥施工的两侧同时进行,Dextra 在项目两侧分别派遣了多达 4 台机器来支持 努力。  

Sonitec 管解决方案

由于大型桩平均直径为2.5米,深度为60米,GS E&C必须进行声波测井测试,以检查混凝土桩的完整性,这需要在每个笼子中安装8根管子。为了实现超长管子长度并优化笼子准备工作,Dextra 索尼泰克 是承包商的首选。得益于其轻巧的设计和独特的 Push-Fit® 连接技术,Sonitec 在笼架搭建、吊装和组装过程中提供了足够的灵活性,无需额外耗时的焊接操作。

阿联酋瓦斯尔塔

阿联酋瓦斯尔塔

瓦斯尔塔是一座位于迪拜市中心的超高层建筑,高 302 米,周围环绕着世界最高建筑哈利法塔和新建的城市步行开发区。

该塔将采用世界上最高的陶瓷外墙,这将有助于调节建筑物内部温度,同时降低周围的噪音。

此外,垂直花园和多种遮阳和冷却设计创新将进一步减少建筑物的整体碳足迹。

该项目将包括办公室、住宅区、服务式公寓和一家五星级文华东方酒店,以及酒吧、餐厅、水疗中心和游泳池。

其结构概念是三个300m高的核心剪力墙连接到四个大型支腿,需要高性能的钢筋连接器来加固和连接混凝土梁和柱。

超过28万 巴特克 标准连接器、可焊接连接器、 有头条, 和 维修夹具 为此目的,我们交付了锻造耦合器。

图片来源:https://www.unstudio.com/en/page/11705/wasl-tower,https://www.facebook.com/UNStudioArchitecture/

SPARK Dry Port and Logistics Zone, Saudi Arabia

SPARK Dry Port and Logistics Zone, Saudi Arabia

沙特阿拉伯萨勒曼国王能源园 (SPARK) 陆港的开发将彻底改变东部省的物流格局。这个雄心勃勃的项目是达曼和哈萨之间的重要纽带,有望显着改善海关服务,同时支持经济增长目标和阿美公司在 SPARK 工业园区内的举措。

A noteworthy aspect of this groundbreaking venture is the extensive use of Dextra’s 2.4 million linear meters of Glass Fiber Reinforced Polymer (GFRP) rebar for slab-on-grade applications in areas subject to heavy loads.

GFRP钢筋 is a composite material made by reinforcing a polymer matrix with high-strength glass fibers. Unlike conventional steel rebar, which is susceptible to corrosion when exposed to moisture and aggressive chemicals, GFRP钢筋 is inherently corrosion resistant. This key attribute makes it an ideal choice for a wide range of construction applications, especially in harsh environments where traditional steel rebar would quickly deteriorate.

阿库尤核电站

阿库尤核电站

阿库尤核电站是土耳其梅尔辛省布于克切利阿库尤的一座正在建设中的核电站。这将是该国第一座核电站。

四台1200兆瓦的VVER+3机组,总容量为4800兆瓦,是世界上第一个在 BOO (建造-拥有-经营) (建设-拥有-运营)原则,由俄罗斯原子能公司旗下的子公司 Akkuyu NGS Elektrik Uretim AS(Akkuyu 项目公司)负责实施。

第一套机组的主体建设于 2018 年 3 月开始,预计于 2023 年投入运营。

第二号机组于两年后开始建设,预计将于 2024 年完工,第三号机组和第四号机组将分别于 2025 年和 2026 年竣工。

迄今为止,Dextra 提供了超过 700,000 个 Fortec+ 耦合器和锁紧螺母,以及杆端准备设备,供所有 4 个反应器和辅助区域使用。

Fortec+ 是一款平行螺纹机械拼接系统,专为核项目设计,用于连接 Ø12 至 50 mm(ASTM #4 至 #18)的混凝土钢筋,符合欧洲规范 2、ASME Sec III Div 2。

通过添加锁紧螺母,它完全啮合到连接杆的延伸螺纹上,并有助于消除 残余变形 接头。

现场还交付了10套钢筋端头准备系统。钢筋端头准备可分为三个步骤:切割钢筋端头, 冷镦 将钢筋锯开的末端扩大,并穿线。

Fortec+ 系统增加了第四步,即在钢筋准备过程结束时进行质量测试。螺纹钢筋末端需进行钢筋屈服强度 90% 的拉伸测试,以确保其性能。

图片来源:https://www.dailysabah.com/business/energy/construction-starts-on-2nd-unit-of-turkeys-1st-nuclear-power-plant-akkuyu?gallery_image=undefined# big(由 Energya 和 Natural 提供)资源部)

欣克利角C核电站

欣克利角C核电站

欣克利角 C (HPC) 核电站是欧洲最大、技术最复杂的项目之一。

HPC 是英国一代人以来建造的第一座核电站,其建设需要高技能的劳动力以及最好的建筑和工程解决方案。

HPC 项目位于英格兰西南部的萨默塞特郡,将由两座核反应堆组成,可产生 3.2GW 的低碳电力。

The new power station is being constructed in the same area as the existing Hinkley Point A and B stations. The former ceased operations some time ago, while the latter is decommissioned in 2022.

Dextra 受托为 HPC 部件(特别是反应堆的飞机冲击保护壳)提供混凝土钢筋的机械接头。

More than 2.5 million Griptec couplers have been supplied for the construction of HPC.

Griptec is designed to comply with the most stringent project specifications, and has proven to be a popular system of choice for EPR nuclear power stations, having been used for the construction of the Flamanville 3, Taishan 1, and Taishan 2 power stations.

The Griptec mechanical splice consists of two steel sleeves which are swaged onto the end of the reinforcing bars by a specific machine that was designed and patented by Dextra.

This swaging machine incorporates a systematic, non-destructive pull test. Griptec is the only coupler system that provides an automatic quality control of each processed bar.

Besides Griptec couplers, Dextra is also supplying 3 million headed bars to the project. These are reinforcing bars that are bent on one side and fitted with an anchorage head on the other side and are used for the transverse reinforcement of concrete slabs, rafts, and walls. They allow a much faster and safer site installation than conventional double-bend bars.

When complete, HPC will provide low-carbon electricity for around six million homes.

福清5号和6号反应堆

福清5号和6号反应堆

福清5号和6号机组是“华龙一号”的首批机组,采用中国自主研发的100%型设计。每座反应堆容量均为1000兆瓦,计划分别于2019年和2022年开始运行。

Dextra 自 2015 年 5 号反应堆开始建造以来就一直在现场,现在又参与了 6 号反应堆的建设。

对于这个具有挑战性的项目,Dextra 一直提供其 Griptec 钢筋 连接方案,用于 钢筋连接APC壳 (防飞机撞击安全壳).

Griptec 是首选钢筋 连接方案 在核工业中,它凭借其独特的性能水平和自动测试流程而享有盛誉,该流程系统地测试所有连接作为其标准周期的一部分 - 保证 100% 的连接超出项目要求。

这两个项目未来几年将使用超过一百万个 Griptec 连接,并由现场安装的两台 Griptec 机器提供支持。

Dextra 还派出两名 Dextra 工程师轮流为承包商团队提供现场支持,提供操作员培训、设置和预防性维护服务。这确保了日夜都能保持最佳生产状态,尤其是在高峰时段。

台山EPR 1&2

台山EPR 1&2

Taishan EPRs are two nuclear reactors of the EPR type, each with a capacity of 1,750 MW, built by Areva and located near Taishan in Guangdong province, China.

Dextra was present on-site from the beginning of construction in 2009 until 2016. Reactor operations were planned to start in 2017.

For this challenging project, Dextra supplied its Griptec rebar splicing solution, which was used in the concrete structure of the reactor.

The Bartec rebar coupler solution, as well as Headed Bars, was also used in other buildings of the project.

库丹库拉姆核电站 (KKNPP) 3 和 4

库丹库拉姆核电站 (KKNPP) 3 和 4

库丹库拉姆核电站(或KKNPP)是印度最大的核电站,位于印度南部泰米尔纳德邦蒂鲁内尔维利地区的库丹库拉姆。

Two reactors (KKNPP-1 and 2) have been operating since 2013 and 2016, respectively, while two more (KKNPP-3 and 4) are currently under construction following the groundbreaking ceremony held in February 2016.

KKNPP-3和4是俄罗斯设计的压水堆(型号VVER-1000/V-412)。这些反应堆是KKNPP-1和2的重复设计,并根据调试和运行经验反馈进行了进一步改进。

For the construction of these two units, Dextra supplied 350,000 Bartec couplers to connect rebars in the reactor building, auxiliary building, and spent fuel storage structures.

Bartec is a trusted splicing system, well-known for its high performance in tension, compression, and fatigue. It is widely used in the construction of buildings, bridges, metro systems, nuclear reactors, and more.

Unit 3 is scheduled for completion in March 2023, with Unit 4 following in the subsequent year.

Upon completion, these two reactors will add 2,000 MW of electricity to the existing units, bringing the total site capacity to 4,000 MW.

图片来源:https://twitter.com/daeindia/status/881395402171404288,https://www.deccanherald.com/content/619873/building-units-3-4-kudankulam.html

防城港核电站3、4号

防城港核电站3、4号

中国是世界上最大的核电生产国之一,并不断通过新反应堆扩大核电产能。

Units 1 and 2 of the Fangchenggang Nuclear Power Plant have been operational since 2016, while Units 3 and 4 are currently under construction.

A total of six reactors are expected to be operational at the Fangchenggang site. Units 1 and 2 are both CPR-1000 reactors, while Units 3 and 4 are Hualong One reactors. The planned Units 5 and 6 are also expected to be Hualong One reactors.

Construction of Unit 3 began in December 2015, followed by Unit 4 a year later. Dextra has supplied more than 500,000 sleeves of 格瑞普泰克 coupler for the reinforcement of the APC structure.

格瑞普泰克 is well known for its reliability and high performance in tension, compression, and fatigue, thanks to its unique design that meets the world’s most stringent project specifications, particularly for nuclear reactor construction.