• 2022-06-03
    试作图 [tex=1.286x1.357]eI2hypHs4HeMsk2hgpDlVg==[/tex] 斜梁的剪力图、弯矩图和轴力图。[img=308x264]17a705462f4809d.png[/img]
  • 受力分析如图 [tex=2.571x1.357]TriTDX4zC0yRMLXpCnJNjgDlbCjf9pTJU47M2PtV840=[/tex] 所示,利用平衡方程[tex=23.0x7.786]g9MaqFwjnZ3wOSESpZIavKkKKnNKwdB6PklklxHuPt8GrA3DySIxueqv5VggXibfF6ZLOQX58jU5rSGVpTtKfNaoJP0Vt07mdST7uXd+QH8FoO1dv8Fs2DzbE0quHkTG4PIo43VyjJmnw8ed+QunebIq3mTaA4EVtdw6v32jO8xjdj8uVFF1IRkVuOCnWfEI3wSDooFLUw/uosjn7oH/DQMTg2+asPbUJgfbuKM7VZ1OZqF93DKqGap2EZd/XZHvTi4Tr0JKkfiQ7EtXb1owQfSypWfeznOlZe2jQYAnqd6sfWJYe3MLwEUbdwPz/5PtmMqUhMMaH4GQYLt4d98615GX2uXNp05y7o9O+vzVczjDL0cMZKrgeLH8fJwN9NywNACvgWU4FtrVXK5JUNWqPmifmWJtuSEF5N02MmPt3D4=[/tex]解得约束反力 [tex=18.071x1.357]pyNOSMwp1aGUBwpCt41gMcBayGNPtrr4GeHaThHrXm8H+AEaOlD3Bl28g21vBj6vyaKqslajl3Ya0ASpCV1DHlwxe8fSsiRjNEJ3hZcotskFqOucR6eTvaTDfYoBd5kW[/tex]从斜梁上截了一段长 [tex=0.571x0.786]ZKO2xs0EgSemzoH7MSmYTA==[/tex] 的梁,作受力图,如图 [tex=2.571x1.357]ULweSV+kRvKUMW9r9hKx5v6k+khbS0jCWShZg+NerUg=[/tex] 所示。利用其平衡, 可列内力方程[tex=26.214x5.286]eSvHijT+9KHFkjytnvhjEueh1ZCFYcAu65C6JdT6UhbFC2zKOYPmw0l4F7Nar4Rb3aXZE43QOUw1ArzYojp5180cI2lirCpECG0XNU0JHWs8MqPyKJXWZe5OFbDkJ75UOe0bj7f88aVc3k70BqkoMWvJM9wUAdm5kqZgMy66JzUwFfZjp63v3VdvWOXahOJJwwDZjKocc7OaMkhdcqwEsZNWC14PtEr6w5U95wn7hIZuLT7tYVNnGSjlrJVKgJp+u2J9Lm0CG5r9N6gRRiz/fHmGTdRKQ7ex4p9Z2p2/FIcdiUzAtNFRwuIgKcxs9Luw2DlZCXFx8/cWWw+TcJkxQR3c3Fk6hpp1S/NAWLCwJxsVVJENOJAqlwS7YX1i2a1njAujZ6BciUice7toUcgSxnMFXaOi6jdeC2Z7LJMMxp0=[/tex]依据以上内力方程, 可作梁的轴力图、剪力图、弯矩图,分别如图 [tex=8.571x1.357]p/F+srVj6ChHtHxE+AXLXP+qo78AUi+BTT+st1SPwg0nmRL19TeL1vbcJ6AeH7/MsQgIy80dU1/y2zvD7SfN0w==[/tex] 所示。在梁的中点处,弯矩取极值, [tex=8.0x1.429]GOQhFXAyUXPUuzM6uH44OHQ8MkWQutf2AUUGgPlGL90=[/tex]。[img=531x503]17a7058480d4345.png[/img]

    内容

    • 0

      如图 [tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex] 所示梁的 [tex=2.0x1.0]hYBAALM+V4PV1D5W5pIDqA==[/tex] 常量,试作梁的剪力图和弯矩图。

    • 1

      已知梁的弯矩图c所示,试作梁的载荷图和剪力图。[img=162x73]17d2e66b849e419.png[/img]

    • 2

      如图[tex=1.786x1.143]67YZS7nX0GaOoxtmen5p1Q==[/tex]所示各梁,试利用弯矩、剪力和载荷集度间的关系作剪力图和弯矩图。[img=414x501]17cfad2bb912fd3.png[/img]

    • 3

       如图[tex=2.357x1.143]cOTLluiGiRZkIt0nAmZbdg==[/tex] 所示,简支梁受到按线性规律变化的分布载荷作用,试作其剪力图和弯矩图。[img=439x570]17cfa42e3dd18c9.png[/img]

    • 4

      试作图示多跨静定梁的弯矩图和剪力图[img=636x169]17ac70f56c0fc5f.png[/img]