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The Fire-Resistive Properties of Various Building Materials
Richard Lewis Humphrey
No preview available - 2015
1J inches 30 minutes apparently application of water Average strength back of panel badly cracked blocks after fire BULLETIN 370 PLATE calcined cement mortar cent cinder concrete compression tests compressive strength conditions of panel cracks developed Curves showing DAMP BLOCKS depth Diagram showing temperature Direc dismantling exposed face f inch Face and back fire clay fire test fired face fired side fireproof FIRING AND QUENCHING furnace galvanometer given in figure granite intact joints land cement limestone Louis material Material.—Panel Maximum minutes the wall moist room mortar building blocks one-piece single-air-space panel 24 panel was cooled perature pieces crushed plaster Port Portland Cement posed face pyrometer quenched with water Relative humidity Results.—Plate right-hand side showing temperature conditions showing the variations shows the face small pieces square inch surface test are given thermocouples third row typical Portland vertical cracks views of panel wall bulged wall had bulged washed webs WET BLOCKS