GB 13476-2009: Translated English of Chinese Standard. GB13476-2009: Pretensioned spun concrete piles
https://www.chinesestandard.net, 2015 M09 15 - 37 páginas
This Standard specifies the pretensioned spun concrete piles - classification, raw materials and general requirements, technical requirements, testing methods, inspection rules, marking, storage and transportation, product certificate, etc.
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Raw materials and general requirements
Annex B Normative Annex Structure Reinforcement of Piles
National Standard No 1 Amendment Sheet
anchor bars anti-cracking bending anti-cracking performance appearance quality area of prestressed basic dimensions batch for re-inspection bending performance bending test concrete compressive strength concrete cover crack load crack shear force cracks appear deviation in dimension diameter mm Model dimension is judged elasticity modulus end plate Guangdong judged as unqualified Leaked mortar load value measured value minimum reinforcement area Model Wall Thickness performance is judged permissible deviation pieces drawn conform pile concrete Pile outer diameter prestressed concrete prestressed steel Pretensioned Spun Concrete Product certificate protective layer thickness provisions in Table provisions of 5.5 provisions of 5.6.2 provisions of GB/T quality and permissible quality is judged quality shall conform Randomly draw relevant provisions screw pitch shown in Annex silica fume specifications in Table Spun Concrete Piles steel bar support of distribution Suzhou Table B.1 taken as measured tensile stress test method test pieces value of crack Wall Thickness t/mm Zhejiang