Are torsional effects a concern for deep beams with Ricon S VS connectors?

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Deep beams paired with smaller Ricon S VS beam hangers can experience out-of-plane twisting when not restrained properly.

Does head pull-through failure apply for ASSY self-tapping screws with steel side plate connections?

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Calculated axial capacity design values for ASSY self-tapping screws must be compared against all other possible failure modes.

What spacing requirements should I follow when designing lateral connections with fully-threaded inclined ASSY self-tapping screws?

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The inclination of the screw axis with respect to the grain orientation, it can make it confusing to determine the spacing requirements of a connec...

Can fully threaded wood screws be used to control the shrinking and swelling behavior of wood?

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The structural integrity of deep timber elements can be affected by the swelling and shrinking of the elements associated with changes in moisture ...

Could the Beam Hanger System be used in CLT end grain applications?

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The Beam Hanger System can be used in CLT end grain applications.

Why is it recommended to install ASSY self-tapping screws in one continuous run?

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Challenges with site access or equipment limitations may force the installer to stop and drive the ASSY screws in multiple runs.

For fire rated connections, is fire caulking always necessary?

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The use of fire caulking is up to the discretion of the designer.

Can RICON S VS connectors be used under wet service conditions?

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Wood members expected to have high moisture contents need to be designed for wet service conditions.

Can ASSY self-tapping screws be used for end grain withdrawal applications?

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Certain T-joint connections may be required to resist tensile loads.

Can notched CLT panels be reinforced with fully threaded screws?

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Tension-site notches can result in excessive tensile stresses acting perpendicular to the grain of the panel.

When would I use symmetrical screw crosses over mutually parallel inclined screws?

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Inclined screws can be arranged mutually parallel to one another or in symmetrical screw crosses.

Can engineers trust design tables?

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“Trust, but verify.”

How do I promote even load sharing when using inclined fully threaded screws with steel side plates?

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As inclined shear-tension screws are loaded primarily in tension along the axis, even load-sharing is promoted through even pre-tensioning.

Can inclined screws be used for energy dissipation in seismic events?

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Ductility in timber structures comes primarily from mechanical joints.

Does pre-drilling affect withdrawal resistance?

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The majority of the time, self-tapping screws are installed with no pre-drilling. However, for some applications it is helpful to pre-drill a hole.

Is it safe to load screws laterally in the end grain?

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Standard design procedures in CSA O86 and NDS 2018 account for strength reductions associated with end grain installation, but member strength must...

When do I need to reinforce pre-engineered connectors?

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Dependent on installation location reinforcement of connector plates is required in order to maintain continuous shear transfer in the connected me...

What is the maximum distance that inclined screws in a screw cross be spaced apart?

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If an inclined shear-tension screw and an inclined shear-compression screw are far apart, do they still function as a screw cross?

Can the tensile strength of a fastener be adjusted for short term loading?

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When loaded in tension, the withdrawal resistance of a fastener may be adjusted to short term loading, can the tensile strength be adjusted as well?

Are ASSY self-tapping screws considered “full-body” fasteners?

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Full body fasteners have a shank diameter that is equal to the outside thread diameter of the threaded portion.

How do I achieve a concealed, high capacity, fire rated post to beam connection using deep and narrow beams?

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For connecting a 6-⅞” by 21” beam to a column.

Can I use the RICON on both sides of a header?

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For symmetrical installation of RICON pre-engineered connectors application can often be limited by the width of the member resulting in fastener c...

(Canada) How do I calculate the design strength of inclined screws?

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Fully threaded self-tapping screws are optimized for axial loading. By sufficiently inclining the screws toward the line of the force, lateral conn...

(USA) How Do I Calculate the Design Strength of Inclined Screws?

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Fully threaded self-tapping screws are optimized for axial loading. By sufficiently inclining the screws toward the line of the force, lateral conn...

Can the Ricon®️ S VS and Gigant Systems Resist Uplift Forces?

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The RICON®️ S VS and GIGANT pre-engineered beam hangers are designed so that the beams are simply lowered into place during construction. To resist...

What Is ISO 50001?

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The International Organization for Standardization (ISO) has awarded SWG ASSY®️ screws with ISO 50001 certification.

Are Self-Tapping Screws Recognized in the Building Codes?

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Some conventional fasteners types, such as nails, bolts, and lag screws, have a devoted section in the building codes devoted to design procedures....

Can We Add up Force Contributions from Inclined Screws and 90° Shear Screws?

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When installing inclined fasteners, fasteners driven in at 90° to the shear plane are sometimes installed prior to inclined fasteners to ensure tig...

What Is the Rope Effect and Is It Considered in Connection Design Approaches in North America?

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The rope effect (or “string effect”) describes an additional strengthening component caused by the axial capacity of laterally loaded dowel-type fa...

Which Drill Should Be Used to Install Assy Fasteners?

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ASSY fasteners need capable equipment in order to be installed, as for longer fasteners significant torque can develop.