File: 94M3917 Initial: GJC:gjc Author's name: Gordon Chirgwin Author's Phone: 02 8814 2370 BRIDGE POLICY CIRCULAR BPC2003/04 SUBJECT: Use of Proprietary Expanded Metal Construction Joints and Shear Keys ...
Filetype PDF | Posted on 13 Sep 2022 | 2 years ago
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...File m initial gjc author s name gordon chirgwin phone bridge policy circular bpc subject use of proprietary expanded metal construction joints and shear keys no drawings following appendix sheets background are an integral feature reinforced prestressed concrete for bridgeworks the requirements specified in clause rta b as follows surface at shall be deliberately roughened to a pronounced profile with roughness not less than mm loose aggregate particles laitance removed prior placing adjoining joint projecting reinforcement washed clean saturated water conforming this specification used which all excess material salt or other contamination marine aggressive environments by using high pressure temporary openings formwork provided allow contaminated these ensure that fresh will have interlock old develop good chemical bond cover embedments is maintained there might induce corrosion recently two contractors one design construct maintain contract lump sum product form whilst type has numb...