1) support structure design and stress check computation
And cuplock scaffolding tube support design and stress check calculate accurately a full framing the land template mechanical book is checked. Support design should pass for approval, project technical officers and security officers and approved by the supervising agree.

2) stent foundation treatment
To reduce the deformation of support, to ensure the safety of structures, support bracket base for hardening treatment before the construction, according to the stress is checked, after processing the foundation bearing capacity must reach more than 700 kpa.


Ground treatment method is to the original ground leveling, use roller compaction, individual weakness inside the venue, to soft soil out first, and then backfill sand compaction and paving 30 cm thick two ash crushed stone, with 20 tons of roller compaction. Good to drainage in space, avoid water accumulation in the field, water seepage, the intercepting ditch and drain.


Ground top to the bottom of the beam considering cuplock scaffolding couplers to the height of bar, wood, formworks, tap, jacking, beam arch camber (12 ~ 15 mm) and so on, the ground elevation according to beam longitudinal slope Settings, 2% set according to the bridge cross slope lateral two-way slope.

3) support build-up
Bridge using WDJ cuplock scaffolding steel tube stents placed in order from top to bottom transverse and longitudinal square timber, vertical rod, bar, tap, the wood (see figure 1). Longitudinal and vertical pole spacing is 90 * 90 cm, step distance of 120 cm, longitudinal and vertical bar in the horizontal partition beam spacing is 60 x 60 cm. Select 240, 120 cm height, stood rod joint position according to height setting.