"First Inspection" Successful! The World's Tallest Bridge Officially Launches Load Test

On　the　morning　of　August　21st，　Huajiang　Gorge　Bridge，　the　world＇s　tallest　bridge，　officially　launched　the　load　test，　ushering　in　the　first　＂physical　examination＂　before　it　opens　to　traffic．

At　the　test　site，　18　trucks　with　a　total　load　of　630　tons　drove　onto　the　bridge　in　3　batches，　parking　respectively　at　the　pre－designated　positions　of　1／4，　3／8　and　1／2　of　the　main　span．　15　test　working　conditions　were　arranged，　and　more　than　400　sensors　were　installed　to　comprehensively　detect　the　deformation　and　stress　of　the　bridge＇s　main　tower，　main　beam　and　main　cable　under　static　load．

The　load　test　is　a　key　link　to　verify　the　structural　safety　and　bearing　capacity　of　the　bridge　before　it　opens　to　traffic，　and　is　also　known　as　the　＂full－body　physical　examination＂　of　the　bridge．　The　load　test　of　Huajiang　Gorge　Bridge　this　time　is　divided　into　three　stages：　no－load　test，　static　load　test　and　dynamic　load　test，　and　the　whole　process　will　last　4　days．