Experimental Study on Sandwich Bridge Decks with GFRP Face Sheets and a Foam-Web Core Loaded under Two-Way Bending

Table 4

Two-way bending test results.

Specimen										Failure mode
	(kN)	(kN)	(mm)	(mm)	(kN/mm)		(kNmm)	(kNmm)
CON60	18.2	18.2	16.49	16.49	1.10	1.00	150.1	150.1	1.00	D
CON100	32.1	32.1	20.43	20.43	1.57	1.00	327.9	327.9	1.00	D
P4S7W1T3	34.6	53.2	14.2	40.9	2.44	2.88	245.7	1417.8	5.77	C
P6S7W1T3	79.6	82.1	17.5	32.5	4.55	1.86	696.5	1909.3	2.74	C
P1S7W1T3	88.5	108.4	12.3	21.4	7.20	1.74	544.3	1440.2	2.65	C
P6S7W1T1	31.8	38.9	14.5	32.1	2.19	2.21	230.6	852.7	3.70	C
P6S7W1T4	111.2	144.2	18.9	28.2	5.88	1.49	1050.8	2238.5	2.13	C
P6S7W3T3	130.1	137.8	10.2	15.7	12.75	1.54	663.5	1400.2	2.11	C
P4S1W1T3	37.2	48.5	16.7	33.2	2.23	1.99	310.6	1017.7	3.28	C
P6S1W1T3	58.2	63.6	15.9	28.1	3.66	1.77	462.7	1205.7	2.61	C
P1S1W1T3	71.4	86.7	13.9	23.1	5.14	1.66	496.2	1223.5	2.47	C
P1S1W1T1	32.3	40.9	17.5	31.9	1.85	1.82	282.6	809.7	2.86	C
P1S1W1T4	102.3	130.9	9.78	14.3	10.46	1.46	500.3	1027.3	2.05	C
P6S1W4T3	105.7	126.9	11.2	16.5	9.44	1.47	591.9	1208.3	2.04	C

Note: “D” is delamination failure and “C” is top face sheet compressive failure.