000 00852cab a2200229 4500
001 WB3513-06
008 090401t1999 xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u92656
041 _aeng
245 _aNew guidelines on concrete rot
260 _c1999
350 _a0
490 _aConstruction News
_v(6610) 8 April 1999, 14(1)
520 _aThe Highways Agency has issued guidance for contractors to guard against the thaumasite form of sulphate attack (TSA). So far, 22 cases of TSA have been found. It occurs when there are sulphates in the ground and the risk is greater the more carbon content there is in the buried concrete.
650 _aGUIDANCE
650 _aHIGHWAYS AGENCY
650 _aTHAUMASITE SULPHATE ATTACK
650 _aTSA
690 _aBUILDING AND CONSTRUCTION-MATERIALS
942 _n0
948 _c08/04/1999
999 _c58727
_d58727