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Cast-in-place plate thickness? Reinforcement? Is it sagging, and by how much? What is the length, width, and number of cracks?
It is better to get on the picture.
What is the length and width of your 25 square meters?
Assuming that the length is a and the width is b, then the corresponding plate thickness can be controlled by b 35 [the concrete specification can be taken according to the short span of 1 40]. >>>More
800*800 is good
That's what I do >>>More
This .........Which living room will have a beam in the middle Oh, your house is weird enough.
You can use plastic steel around the wall to make glass, pay attention to the ground flow of water, pay attention to the drainage of the roof, do not block the drainage, pay attention to the ventilation of the greenhouse, it is best to leave the water, but also pay attention to the sunshade equipment!
You're a ruined fortune window! The main wealth comes and goes! The solution is to put a pot of cactus on the window, or use a cloth to block it so that it does not open often.