【Daily Topic】【Civil Engineering Version 20160513】

2016-05-13View Original

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Participation reward: 2 Wealth. Reward for correct answer: 9 Wealth. What is suitable for vibrating the concrete of columns, beams, and foundations? A、Internal vibrator B、External vibrator C、Surface vibrator D、Vibration table

Reply #22016-05-13

Choose A. External vibrators are suitable for components with densely arranged rebar, a cross-sectional dimension of less than 250 mm, and those for which insert-type vibrators are not appropriate. Surface vibrators are suitable for compacting components such as floor slabs, floors, plate-shaped elements, and thin shells. Vibration tables are suitable for prefabricated component factories to produce prefabricated components.

Reply #32016-05-13

A、、、、、、、、、、、、、

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【Daily Topic】【Civil Engineering Version 20160513】

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