{"id":3974,"date":"2026-04-23T15:03:07","date_gmt":"2026-04-23T07:03:07","guid":{"rendered":"https:\/\/www.mingchifrp.com\/?post_type=product&p=3974"},"modified":"2026-10-09T15:35:56","modified_gmt":"2026-10-09T07:35:56","slug":"55x32x2-2mm-frp-c-channel","status":"publish","type":"product","link":"https:\/\/www.mingchifrp.com\/ja\/product\/55x32x2-2mm-frp-c-channel\/","title":{"rendered":"FRP C Channel for Coastal Walkway Support"},"content":{"rendered":"

\u88fd\u54c1\u7d39\u4ecb<\/h2>\n

The framework beneath a coastal walkway supports the deck panels and transfers pedestrian loads to the supporting structure. Salt spray, moisture and limited access beneath the deck make material selection and maintenance planning especially important.<\/p>\n

\u660e\u9a70\uff08\u30df\u30f3\u30c1\uff09 FRP C Channel<\/a><\/strong> is a pultruded fiberglass section that can be incorporated into coastal walkway subframes. Its open channel shape provides surfaces for deck seating and bolted connections, according to the assembly design.<\/p>\n

A walkway frame may combine longitudinal members with transverse supports to create repeated deck bays. Channel dimensions, support spacing and connection details must be coordinated with the selected flooring and site conditions.<\/p>\n

Key Advantages for Coastal Walkway Frames<\/h3>\n

Non-Rusting Fiberglass Construction<\/strong>
\nFRP channel avoids the rusting associated with steel members. The resin system and surface protection should be specified for the intended coastal exposure.
\nA Framework Coordinated with the Deck<\/strong>
\nChannel members can be arranged around the panel layout, providing support lines and attachment locations for the decking. This helps coordinate the frame and flooring as one assembly.
\nLighter Members for Site Handling<\/strong>
\nCompared with steel channels of the same dimensions, fiberglass channels are lighter to handle. This can help when transporting individual members along narrow access routes or positioning them beside an existing dock.
\nAccessible Connection Surfaces<\/strong>
\nThe channel web and flanges provide surfaces for designed brackets and fixings. Connection positions can be specified before fabrication to match the supporting structure.
\nReduced Rust-Related Maintenance<\/strong>
\nUsing FRP members reduces the need for rust removal and anti-corrosion repainting on those members. Fasteners, brackets and the complete structure still require inspection.<\/p>\n

Functions Within the Walkway Subframe<\/h3>\n

Longitudinal Deck Joists<\/strong>
\nChannels can run along the walkway as joists, supporting the decking at the required intervals. Their span and orientation depend on the structural arrangement.
\nTransverse Cross Members<\/strong>
\nCross members can provide additional deck support and connect the longitudinal members into repeated frame bays. Their spacing should match the panel support requirements.
\nPerimeter Support Members<\/strong>
\nChannels may form the outer edges of the subframe, providing deck-edge seating and attachment points where specified.
\nConnections to Existing Supports<\/strong>
\nFor refurbishment work, channel frames can connect to retained supports through designed brackets. The condition and capacity of the existing structure must be assessed before installation.
\nLocal Brackets and Panel Seating<\/strong>
\nFRP angle profiles<\/strong><\/a> can complement channel members in local connection or seating details where required by the drawings.<\/p>\n

Coastal Applications<\/h3>\n

Seaside Pedestrian Walkways<\/strong>
\nSupport frames beneath coastal walking routes, viewing areas and waterfront access paths.
\nMarina Access Walkways<\/strong>
\nSubframes for pedestrian access beside marina facilities, with exposure and loading requirements defined for the installation.
\nPier-Side Walkway Extensions<\/strong>
\nFrames for new access sections alongside existing structures, subject to checks of the supporting points and connections.
\nCoastal Walkway Refurbishment<\/strong>
\nReplacement frame components for projects addressing deteriorated supports or changes to the deck layout.
\nExplore our marine and dock solutions<\/a><\/strong> for related coastal applications.<\/p>\n

Technical Specifications<\/h3>\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u9805\u76ee<\/th>\n\u4ed5\u69d8<\/th>\n<\/tr>\n<\/thead>\n
\u88fd\u54c1\u540d<\/td>\nFRP C Channel \/ Fiberglass Channel<\/td>\n<\/tr>\n
Main Application<\/td>\nCoastal Walkway Support Frame<\/td>\n<\/tr>\n
\u65ad\u9762\u5f62\u72b6<\/td>\nOpen C\u2011Shaped Channel<\/td>\n<\/tr>\n
\u88fd\u9020\u5de5\u7a0b<\/td>\n\u5f15\u629c\u6210\u5f62<\/td>\n<\/tr>\n
\u7d20\u6750<\/td>\nGlass Fiber Reinforced Resin<\/td>\n<\/tr>\n
Section Dimensions<\/td>\nSpecify channel depth, flange width and wall thicknesses<\/td>\n<\/tr>\n
Member Length<\/td>\nAccording to frame layout and order requirements<\/td>\n<\/tr>\n
\u6a39\u8102\u30b7\u30b9\u30c6\u30e0<\/td>\nSelected for the specified exposure conditions<\/td>\n<\/tr>\n
\u7d2b\u5916\u7dda\u9632\u6b62<\/td>\nSpecify outdoor exposure requirements<\/td>\n<\/tr>\n
\u30ab\u30e9\u30fc<\/td>\nAvailable options to be confirmed<\/td>\n<\/tr>\n
Fabrication<\/td>\nCutting and drilling, subject to drawing review<\/td>\n<\/tr>\n
Frame Arrangement<\/td>\nLongitudinal joists, cross members or perimeter supports<\/td>\n<\/tr>\n
Deck Compatibility<\/td>\nDetermined by panel type, span and fixing requirements<\/td>\n<\/tr>\n
Fasteners and Brackets<\/td>\nSelected for the marine environment and connection loads<\/td>\n<\/tr>\n
Structural Suitability<\/td>\nSubject to member, connection and supporting\u2011structure checks<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Matching the Frame to the Walkway Deck<\/h3>\n

The decking and support frame should be selected together. Panel span, bearing requirements and fixing positions determine where the channel members need to be placed.<\/p>\n

For grating decks, review the selected panel\u2019s load data and support requirements. Where pultruded grating is used, its bearing-bar direction must be coordinated with the frame layout.<\/p>\n

Explore our molded FRP grating and FRP grating applications<\/a><\/strong> when planning the walking surface.<\/p>\n

Slip resistance is provided by the deck surface. The channel subframe provides structural support beneath it.<\/p>\n

Coastal Design and Installation Considerations<\/h3>\n

Define the Exposure<\/strong>
\nDistinguish between salt spray, occasional splashing and sustained immersion. Specify any tidal, wave or storm exposure so the complete structure can be designed accordingly.
\nCheck Span and Deflection<\/strong>
\nSelect the channel section using the walkway loads, unsupported lengths and allowable movement. Matching the dimensions of a previous steel member does not establish equivalent performance.
\nCoordinate Deck and Railing Loads<\/strong>
\nIf railing posts attach to the subframe, include their loads in the member and connection design. Our FRP \u624b\u3059\u308a\u30b7\u30b9\u30c6\u30e0<\/a> provide related railing options.
\nSpecify Suitable Connections<\/strong>
\nFasteners and brackets must suit the exposure conditions as well as the required connection capacity. A fiberglass frame does not make its metal fittings corrosion-proof.
\nAllow for Inspection<\/strong>
\nPlan access to connections beneath the deck where practical. Follow the fabrication guidance for drilled holes, cut ends and exposed surfaces.<\/p>\n

Custom Fabrication and Supply<\/h3>\n

Provide the frame drawing so channel lengths and connection locations can be coordinated before production.<\/p>\n

Order details can include:<\/p>\n