Sofrasar 隧道解决方案

为隧道基础设施团队提供超过 25 年的行业知识、设计和工程服务、技术专长和紧固解决方案。
获得技术咨询
有橙色安全帽和膝上型计算机的蓝色人

工程设计支持

与专家一起做出最佳的隧道扣件决策 设计和工程服务 协助、有限元分析和项目特定的技术支持。

蓝色盒子，里面有螺母和螺栓

高效的运输

在正确的时间提供正确的解决方案，以满足您在全球各地的隧道建设项目的特殊需求

蓝色清单和橙色复选标记

质量控制

我们严格的标准、零缺陷文化、领先的认证和注册，满足您对最高质量零部件的需求

有蓝色放大镜的橙色齿轮

验证和检测

我们的实验室提供全套的测试工具，会为您在应用之前确认每个系统的机械阻力

各种不同的螺栓和 Sofrasar 隧道零件

螺栓系统

螺栓连接系统用于混凝土管段、轨道固定件和带式输送机的组装。我们的结构螺栓系统系列可承受 70 至 400 kN 的拉应力。金属嵌件由不锈钢制成，可以是 316L 或通过我们的设计和工程服务选择的不同等级。我们提供各种钢级螺栓选项，包括 ASTM A325 和 10.9，以及镀锌、热浸镀锌或塑料涂层。

定位销系统

通过热塑性定位销固定环的方式可以在严格的整体公差范围内快速、安全地实现安装，同时在地面或灌浆压力下，确保了环的稳定性。

自动对中系统和剪切定位销

自动对中系统和剪切定位销可加快并简化混凝土节段的安装，并能很好的控制剪切应力达到最大500 kN。我们提供各种尺寸和热塑性塑料，为您的方案找到最适合的挠度曲线。

灌浆提升套件

各种灌浆和提升套件提供高达40巴的密封盖和高达600千牛的断裂拉伸应力。

导杆和封隔器

这些简单且高性价比的产品控制着混凝土段之间的位置，提供了良好的抗剪切性，并完全控制了紧密公差和滑坡危险。

预制配件和安全系统

我们有多种系统产品，包括：

  • 用于电气设备安装的塑料和金属插件系统
  • 防火系统产品
  • RFID的产品追溯系统
  • 隧道铺设的地热能系统产品

有限元分析

我们提供种类繁多的灌浆和提升套件，可以在实验室使用专门的检测设备和软件对有限元进行分析，从而在您的设计阶段提供帮助。

TUNNEL FASTENERS FAQS

Tunnel fasteners are specialized fastening systems used in tunnel construction to secure concrete segments, rail systems, and structural components. They are engineered to withstand high tensile loads, shear forces, ground pressure, and environmental stress over long service lifecycles.

Optimas provides bolting systems, dowel systems, centering systems, shear dowels, grout-lift sockets, guiding rods, packers, and precast accessories. These systems are designed to support tunnel segment assembly, alignment, load transfer, and structural stability.

Bolting systems are used to assemble concrete tunnel segments, rail fixings, and conveyor systems. Structural bolt systems can support tensile stresses from 70 to 400 kN and are available in various steel grades and coatings to meet performance and environmental requirements.

Dowel systems fix tunnel rings in place using thermoplastic dowels that enable fast installation while maintaining tight tolerances. They provide stability against ground movement and grout injection pressure during and after tunnel segment installation.

Centering systems and shear dowels help align concrete segments and control shear stress, supporting loads up to 500 kN. They simplify installation and help maintain structural integrity by controlling deflection and segment positioning.

Grout-lift sockets are used to lift and seal tunnel segments during installation. They can provide tightness up to 40 bar and tensile breaking loads up to 600 kN, supporting safe handling and structural sealing during tunnel construction.

Guiding rods and packers control segment positioning, shear resistance, and tolerance alignment between concrete segments. They reduce slip hazards and help ensure accurate installation in tight geometric tolerances.

Tunnel fasteners can be manufactured from stainless steel, structural steel grades such as ASTM A325 and 10.9, and coated with zinc, hot-dip galvanization, or plastic coatings. Material and finish selection depend on load, corrosion exposure, and project requirements.

Tunnel fastener systems can be validated through mechanical testing and finite element analysis to confirm load resistance, deflection behavior, and system performance before implementation. Validation ensures reliability under real-world tunnel conditions.

Engineering support helps ensure fastening systems are correctly specified for ground conditions, structural loads, and installation constraints. Design services and analysis reduce risk, improve safety, and optimize performance throughout the tunnel lifecycle.

Tunnel fastening systems are engineered to support a wide range of structural loads depending on application and system design. Typical solutions support tensile loads from 70 to 400 kN, shear forces up to 500 kN, and breaking tensile stresses up to 600 kN for specific components such as grout-lift sockets.

Tunnel fasteners are validated through mechanical testing and laboratory-based analysis to confirm tensile strength, shear resistance, deflection behavior, and system durability. Testing may be supported by finite element analysis to simulate real-world tunnel loading conditions before deployment.

Tunnel fastening systems are designed to meet applicable structural, material, and quality standards depending on the project and region. Common specifications include structural steel grades such as ASTM A325 and metric grades like 10.9, along with quality systems supported by certified manufacturing and testing processes.

相关链接

探索我们的隧道解决方案

>下载资料

如何找到最佳的固定设计来满足所有隧道项目的要求

>阅读文章

隧道项目受益于创新紧固件解决方案

>成功案例

刚开始时，我们对在周向接缝中使用定位销持怀疑态度。但是，在Crossrail项目成功之后，塑料销钉已成为承包商的传统螺栓系统的替代品。

– 客户方隧道主管

无与伦比的成功要素

为了更好地为您服务，我们的隧道解决方案专业人员在意大利、西班牙、日本、俄罗斯、香港、印度、新加坡以及大洋洲、南美、拉美和北美等各地为您提供服务。

Sofrasar 隧道专用产品

法国

4 rue Robert Pax
57910 HAMBACH – France

T +33 (0) 3 87 98 90 35

联系我们

Optimas安普达隧道事业部

区域代理处

香港

Merman Technology Company Ltd

T +852 (0) 2581 2660

印度

Modern International

T +91 (0) 11470 86481

意大利

SMAAC

T +39 (0) 02 76110330

日本

AJUMO

T +49 (0) 40 600 195 0

中国

Christophe Zhang

T +33 (0) 6 86 54 79 53

土耳其

Ertunnel

T +90 (0) 312 219 40 47

西班牙及葡萄牙

ABYO TM

T +34 (0) 619 20 70 26

SINGAPORE & OCEANIA

Design & Technic Pte Ltd (DTS)

T +65 (0) 9770 0488

伊比利亚美洲

ABYO TM

T +55 (11) 97609-3682

EGYPT

ACo Expertise

T +33 6 38 73 85 25

美国及北美洲地区

David R. Klug & Associates, Inc.

T (+1) 724 942 4670

立即开始

联络专业人员