Public works . I;ACKS in SECTION A. DECEMBER 15 Jamarv 14, 1422 r Lt K L 1 C WORKS 25. IS INC. TO -MAKE HARDNESS TESTON rONCRETE SURFACE Static 0016 in. 19>^ milts 0013 in. 2ly2 miles per hour Q013 in. 35 miles per hour 001 in. The one-inch and two-inch drop impact readingstaken at 21^^ miles per hour were: 1 in. drop 003 in. 2 in. drop .0037 in. The car and its two passengers, before proceed-ing through the test, were carefully weighed andfound to scale pounds. This weight was car-ried during the test. An eight-wheel motor bus weighing about 8,000lbs. was run over the te
Public works . I;ACKS in SECTION A. DECEMBER 15 Jamarv 14, 1422 r Lt K L 1 C WORKS 25. IS INC. TO -MAKE HARDNESS TESTON rONCRETE SURFACE Static 0016 in. 19>^ milts 0013 in. 2ly2 miles per hour Q013 in. 35 miles per hour 001 in. The one-inch and two-inch drop impact readingstaken at 21^^ miles per hour were: 1 in. drop 003 in. 2 in. drop .0037 in. The car and its two passengers, before proceed-ing through the test, were carefully weighed andfound to scale pounds. This weight was car-ried during the test. An eight-wheel motor bus weighing about 8,000lbs. was run over the test highway recently, andcomparisons made with a four-wheel motor truckof the .same weight equipped with pneumatic tires,which also was run over the track. In impact tests,the eight wheel bus only caused 70 per cent as muchdeflection as the motor truck. In the moving test,the eight wheel bus caused about 10 per cent lessdeflection than the motor truck. Tests of other vehicles will be made after the en-gineers have entirely satisfied themselves as to theresults of the present operati
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmunicip, bookyear1896
