000 01003cab a2200301 4500
001 WB2916-09
008 090401t1993 xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u11674
041 _aeng
245 _aEfficient use of aggregate materials
260 _c1993
350 _a0
490 _aDoE News Release
_v(285) 22 April 1993 (4)
520 _aThe BRE has published research on how standards and specifications affect the use of aggregates. Promotion of the use of secondary materials is recommended and a review of excessive safety margins.
650 _aAGGREGATES EFFICIENCY OFFICE
650 _aAGGREGATES
650 _aBUILT ENVIRONMENT-BUILDING MATERIALS
650 _aMINERALS PLANNING
650 _aOVERSPECIFICATION
650 _aROAD CONSTRUCTION
650 _aSECONDARY MATERIALS
650 _aSPECIFICATIONS
650 _aWASTE MATERIALS
690 _aBUILT ENVIRONMENT-BUILDING MATERIALS
690 _aMINING AND MINERALS
942 _n0
948 _c04/03/1997
999 _c7451
_d7451