Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Foam-sand mixes promise bearing-strength uses
Applications for foamed aggregates to underground mining include replacements for prestressed preloaded concrete pillars and as tunnel linings; high density rigid foams have structural properties comparable with concrete; they adhere strongly to almost any dry surface; they have excellent thermal and electrical characteristics and flame retardancy; they can be sprayed as thin sheet or foamed in volume to fill all voids; addition of suitable aggregates gives them compressive strength comparable with concrete; high cost limits their present use underground.
Foam-sand mixes promise bearing-strength uses
Applications for foamed aggregates to underground mining include replacements for prestressed preloaded concrete pillars and as tunnel linings; high density rigid foams have structural properties comparable with concrete; they adhere strongly to almost any dry surface; they have excellent thermal and electrical characteristics and flame retardancy; they can be sprayed as thin sheet or foamed in volume to fill all voids; addition of suitable aggregates gives them compressive strength comparable with concrete; high cost limits their present use underground.
Foam-sand mixes promise bearing-strength uses
Min Eng
Purcell, G. (Autor:in) / Lee, R.F. (Autor:in)
Mining Engineering ; 15
1963
3 pages
Aufsatz (Zeitschrift)
Englisch
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