TY - BOOK ED - Indian standards institution TI - Code of practice for design and construction of pile foundations: Part 1 concrete piles/section 1 driven cast in -situ concrete piles 1st revision U1 - 624.154.33.04 PY - 1980/// CY - New Delhi PB - Indian standard institution KW - IS :2911(Part 1/Sec 1).1979 ER -