000 00689cab a2200217 4500
001 WB2515-05
008 090401t1989 xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u10787
041 _aeng
245 _aSalt corroding road bridges
260 _c1989
350 _a0
490 _aDaily Telegraph
_v19/4/89 p4
490 _aFinancial Times
_v19/4/89 p11
520 _aA DTp study on the performance of concrete in road bridges concludes that about £800m needs to be spent to repair bridges which are deteriorating through the use of de-icing salt in winter.
650 _aCORROSION
650 _aMOTORWAYS
690 _aBUILT ENVIRONMENT
942 _n0
948 _c04/03/1997
999 _c6860
_d6860