土木工程專業(yè)外文翻譯---現(xiàn)澆樓板裂縫的產(chǎn)生與防治-建筑結(jié)構(gòu)(存儲(chǔ)版)
【正文】 投訴。t trample or install template and support on it . But developer , for race against time , catch up with progress , or concrete at , congeal and congeal stage after all for the first time still in water at the good castinplace board just, take up the post of purpose to trample, carry the material , concentrate on piling up fragment of brick , mortar , template ,etc.. Premature adding and is carried on one39。 aring end will cause insecurity trouble, but in succession to building quality direct the section hurl tell. Such as once the some city develop a pany to set up 6 layers of floor residence 16 totally, constructing area about 100,000 square meters, the brick mixs structure, the beginning repairs, one steps 2 box off with the brick wall, each one39。t discover obvious crack, discover the building plank appears crack when the inhabitant repair, past jointly to quality direct the section hurl tell, through step to see on the spot, 16 houses all exist the depth different crack width is between the mms , the great majority of the crack position is placed in plank four Capes, the dynasty sun is more , the Superintendent office of quality concerned, sinking to decline quantity and inclination degree to carry on a reexamination to the house first, result all in allow the scope, again look into construction diagram paper to also match to request concerning the to abovementioned circumstance, pass by hard analytical, the confirmation crack reason has the following what time: 1, cause now main reason of sprinkling the plank crack is the constri ngency of concrete, the concrete is in the nature the hardening the process, because water evaporates continuously, but the physical volume gradual constringency, but the plank is on all sides to be subjected to a stipulation of, can39。t exert any external force to the concrete . In a situation that the concrete has not had certain intensity yet , concentrate on , pile up construction material or prop up mould stand , rest on it, that brought the castinplace board is not intensity like this, but more cracks. So, must make sure that just allow to trample or install template and support on it after the concrete intensity reaches 3, shoulder thickness of antiabrasion layer of the muscle the strict control panel . Castinplace board shoulder muscle put , on board , have roof beam according to designing requirement through generally put on reinforcing bar of roof beam or stay with reinforcing bar lashing of roof beam cut off ,. For control good to shoulder muscle antiabrasion layer thickness , must adopt Φ10 Φ14 reinforcing bar horse stool, verticalhorizontal interval 800mm e fixed position to shoulder muscle from side to side, and with electric welding horse with shoulder muscle weld firm stool, make horse to be stool while the concrete builds nonwiping, guarantee , shoulder muscle sink, control , shoulder muscle thickness of antiabrasion layer effectively , make board shoulder muscle antiabrasion layer cross thick producing cracking. 4, control good sand , stone in a footpath and mud content strictly. The thick sand in the castinp
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