{"id":6675,"date":"2026-11-02T04:33:52","date_gmt":"2026-11-02T04:33:52","guid":{"rendered":"https:\/\/www.ggsteelstruct.com\/?page_id=6675"},"modified":"2026-11-04T06:52:06","modified_gmt":"2026-11-04T06:52:06","slug":"steel-bridge-skywalk","status":"publish","type":"page","link":"https:\/\/www.ggsteelstruct.com\/ar\/products\/steel-bridge-skywalk\/","title":{"rendered":"Bridges & Skywalks"},"content":{"rendered":"
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\u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/a> \/ \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a<\/a> \/ Bridges & Skywalks<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

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Steel Buildings<\/div>\t\t\t\t<\/div>\n\t\t\t\t
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Steel pedestrian bridges and skywalks, lifted into place in a night<\/h1>\t\t\t\t<\/div>\n\t\t\t\t
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A skywalk is fabricated in the yard, trial-assembled, then lifted in one or two pieces during a road closure. Three checks shape it: how it feels underfoot, how it moves between two buildings, and how it is lifted.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t

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\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tSend your bridge brief<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tSee vibration checks<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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1 night<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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Typical lift window<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Box \/ truss<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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Girder types<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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60 m<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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Span range designed<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Hospital<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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Zhujiang Hospital footbridge<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tVibration<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tMovement<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tGallery<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tGet a Quote<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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\u0623\u0646\u0648\u0627\u0639 \u0627\u0644\u062c\u0633\u0648\u0631<\/div>\t\t\t\t<\/div>\n\t\t\t\t
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Which structure for which crossing<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\u0627\u0644\u0646\u0648\u0639<\/th>\u0627\u0644\u0627\u0645\u062a\u062f\u0627\u062f \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a<\/th>Look<\/th>\u0645\u0644\u0627\u062d\u0638\u0627\u062a<\/th><\/tr><\/thead>
Steel box girder<\/th>15\u201345 m<\/span><\/td>Clean, slim deck<\/td>Torsionally stiff, good for curves<\/td><\/tr>
Warren or Pratt truss<\/th>20\u201360 m<\/span><\/td>Open, industrial<\/td>Light, ships in pieces<\/td><\/tr>
Enclosed skywalk<\/th>10\u201340 m<\/span><\/td>Glazed corridor<\/td>Carries facade loads<\/td><\/tr>
Landscape walkway<\/th>Multi-span<\/td>Elevated path<\/td>Repeating spans on columns<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Vibration<\/div>\t\t\t\t<\/div>\n\t\t\t\t
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Why some footbridges feel lively<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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People walk at about 2 Hz. A bridge with a natural frequency near that, or near half of it sideways, can resonate.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\u0641\u062d\u0635<\/th>\u0627\u0644\u0642\u064a\u0645\u0629<\/th>Source<\/th><\/tr><\/thead>
Comfort check needed if vertical frequency is below<\/th>5 Hz<\/td>EN 1990 Annex A2<\/td><\/tr>
Comfort check needed if lateral or torsional frequency is below<\/th>2.5 Hz<\/td>EN 1990 Annex A2<\/td><\/tr>
Maximum vertical acceleration<\/th>0.7 m\/s\u00b2<\/td>EN 1990 Annex A2<\/td><\/tr>
Maximum lateral acceleration, normal use<\/th>0.2 m\/s\u00b2<\/td>EN 1990 Annex A2<\/td><\/tr>
Maximum lateral acceleration, crowds<\/th>0.4 m\/s\u00b2<\/td>EN 1990 Annex A2<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t
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Remedies: stiffer section, added mass, or tuned mass dampers. Sideways lock-in with crowds is what closed London’s Millennium Bridge in 2000.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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From our engineers<\/div>\t\t\t\t<\/div>\n\t\t\t\t
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Details that decide a skywalk<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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\n\t\t\t\t\t\t\t\t\tTwo buildings move differently.<\/b> Wind sway, thermal expansion and settlement of each building. One end is usually fixed, the other on sliding bearings with a movement joint.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\tCamber.<\/b> Pre-camber is built in so the deck is level under dead load, and checked at trial assembly.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\tLifting.<\/b> Crane position and piece weight set splice locations and temporary supports. The lifting plan is part of the scheme.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\tCoating.<\/b> Outdoor exposure, often ISO 12944 C4, with a durable top coat for appearance.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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From site<\/div>\t\t\t\t<\/div>\n\t\t\t\t
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Skywalk fabrication and lifting<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"\"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/div>\t\t\t\t<\/div>\n\t\t\t\t
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Bridge questions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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Not answered here? \u0627\u0633\u0623\u0644 \u0645\u0647\u0646\u062f\u0633\u064b\u0627<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Do you design the bridge? <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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We provide the scheme, vibration check and calculations; a local engineer usually checks and stamps them. We also fabricate to your engineer’s design.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Can the bridge be lifted in one piece? <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Often yes, if site cranes and transport allow. Otherwise in segments onto temporary supports.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Do you do road bridges? <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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No. Pedestrian bridges, skywalks and walkways only.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Who supplies the glazing on an enclosed skywalk? <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Usually the facade contractor. We fabricate the brackets and embeds into the steel.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\u0627\u0644\u062e\u0637\u0648\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a\u0629<\/div>\t\t\t\t<\/div>\n\t\t\t\t
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Related pages<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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\n\t\t\t\t\t\t\u0627\u0644\u0647\u064a\u0627\u0643\u0644 \u0627\u0644\u0634\u0628\u0643\u064a\u0629 \u0648\u0627\u0644\u0647\u064a\u0627\u0643\u0644 \u0627\u0644\u0641\u0636\u0627\u0626\u064a\u0629\t\t\t\t\t<\/h4>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\n\t\t\t\t\t\tExplore \u2192\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t
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\n\t\t\t\t\t\u0627\u0644\u0645\u0646\u062a\u062c\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\tComplex Steel Nodes\t\t\t\t\t<\/h4>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\n\t\t\t\t\t\tExplore \u2192\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t
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\n\t\t\t\t\t\u0627\u0644\u0645\u0646\u062a\u062c\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\tInstallation Support\t\t\t\t\t<\/h4>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\n\t\t\t\t\t\tExplore \u2192\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t
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\n\t\t\t\t\tService\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\u062c\u0645\u064a\u0639 \u0627\u0644\u0645\u0634\u0627\u0631\u064a\u0639\t\t\t\t\t<\/h4>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\n\t\t\t\t\t\tExplore \u2192\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t
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\n\t\t\t\t\t\u0627\u0644\u0645\u0634\u0627\u0631\u064a\u0639\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Footbridge or skywalk<\/div>\t\t\t\t<\/div>\n\t\t\t\t
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Send the span, the two ends and the site access<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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We propose girder type, vibration check and lifting plan with the estimate.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tSend your brief<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":6636,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":"","_aseo_title":"Steel Pedestrian Bridges & Building Skywalks | GG Steel","_aseo_desc":"Steel footbridges, building skywalks and walkways: girder types, EN 1990 vibration limits, camber, bearings and movement joints, one-piece lifting. Request design support.","_aseo_noindex":false,"_aseo_og_image":0,"_aseo_schema_type":""},"class_list":["post-6675","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/pages\/6675","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/comments?post=6675"}],"version-history":[{"count":8,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/pages\/6675\/revisions"}],"predecessor-version":[{"id":7290,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/pages\/6675\/revisions\/7290"}],"up":[{"embeddable":true,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/pages\/6636"}],"wp:attachment":[{"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/media?parent=6675"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}