2021年4月30日 · This report highlights several problems that can arise with structural connections between elements when cast-in ferrules (also known as threaded inserts) are used for the anchorage of reinforcing bars.
Metric ferrules are short anchors typically less than 100mm length / effective embedment depth. The concrete tensile capacity is limited by the short embedment depth in the range 55- 95mm. The failure load of the concrete surrounding the anchor …
Precast concrete segments are installed to support the excavation behind the tunnel boring machine (TBM) in soft ground, weak rock, and fractured hard rock applications. As shown in Fig. 1.1, the TBM advances by reacting against the completed rings of …
Ferrule • 5.8 grade steel or 316 grade Stainless Steel. • Use in near or far face applications with our range of accessories. • Waisted design ensures capacity is not limited by the steel strength at the cross hole. • Cross hole to suit N12 on larger sizes. • Footed design ensures maximum concrete capacity without the need for a cross ...
F200 Straight Ferrule Anchors are used for structural connections, panel-to-panel connections and for tilt-up panel brace connections. FEATURES: • Simple cost effective design • Made with electro deposited zinc (zinc plated) or galvanised (as per AS1214) finishes • Ultimate mechanical tensile capacity of M16 and M20 ferrules is 70kN
capabilities of the Reid™ range of Cast-In Ferrules. The performance data contained in this Design Guide relates only to the Reid™ range of Cast-In Ferrules. Our superior steel grade and manufacturing tolerances are key factors in producing our excellent products. Generic products may appear similar physically, but their
Application of prestressed concrete for bridge construction was developed by French engineer Eugène Freyssinet, as described in Section 2.1.6, and has spread widely thereafter. Only prestressing made the slender, long-span concrete bridges of today possible.
PSA Swaged Ferrule Anchor Bars provide a full bar strength connection for precast concrete panels to floors. The standard metric thread is easy to install, as it is simply tied to the central reinforcement, with no welding required.
In this load case, the segmental lining ring is evaluated in cross-section perpendicular to the longitudinal direction of the tunnel and modeled as a ring with joints or a continuous ring with reduced flexural rigidity to account for the segment joints.
Cast-in Ferrule connections are a very common, cost effective and versatile method of bolting steel members to concrete. The performance of ferrules cast into concrete and loaded in tension is well understood; however their performance in shear is