【Daily Topic】【Civil Engineering Version 20160826】
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Participation reward: 2 Wealth. Reward for the correct answer: 9 wealth. The thickness of the horizontal joints and the width of the vertical joints in a brick wall should generally be around ( ). A、3mm B、7mm C、10mm D、15mm Correct answer: C
Choose C. The mortar joints in a 10mm brick masonry should be horizontal and vertical, with uniform thickness; the thickness of horizontal joints and the width of vertical joints should be around 10mm, but they should not be less than 8mm nor more than 12mm.
The thickness of the horizontal mortar joints and the width of the vertical joints in brick walls should generally be around (C). A、3mm B、7mm C、10mm D、15mm