A.1min~5minB.5min~10minC.10min~15minD.15min~30min
A.撓度觀測點(diǎn)布置對寬橋,在測試截面橫橋向布置不得少于3個(gè)測點(diǎn)B.撓度觀測點(diǎn)布置對多梁式橋,每片梁測點(diǎn)布置不宜少于2點(diǎn)C.應(yīng)變測點(diǎn)應(yīng)設(shè)置在橫橋向測點(diǎn)布置不得少于3點(diǎn)D.構(gòu)件上的應(yīng)變測點(diǎn)應(yīng)設(shè)置在構(gòu)件橫截面局部應(yīng)力較大的部位
A.邊跨跨中B.中跨跨中C.邊跨最大正彎矩截面D.中跨跨中,邊跨最大正彎矩截面