Selection of steel sandwich
1.Frame or channel steel I-beam construction steel structure collocation, steel structure and material. The best use of steel structures, solid durability, flexural strength of steel will be higher, but the cost is relatively high, the advantages of steel structures is fast, the ride is used, do not need to wait. The disadvantage is the channel do add layer when people walk on it, there will be some shaking sound channel specifications is small, the louder the sound of shaking.
Note: not the best square, inside is not very good anti rust treatment, easy to rust in a long time, may cause security problems. The main common accessories with the following:
(1) 100mm# (H) +100mm# (Cao Gang) +50*50 + (with fixed angle chemical anchor bolt 16mm)
(2) 120mm# (H) +120mm# (Cao Gang) +50*50 + (with fixed angle chemical anchor bolt 16mm)
(3) 140mm# (H) +140mm# (Cao Gang) +50*50 + (with fixed angle chemical anchor bolt 16mm)
(4) 160mm# (H) +160mm# (Cao Gang) +50*50 + (with fixed angle chemical anchor bolt 16mm)
(5) 200mm# (H) +200mm# (Cao Gang) +50*50) + (with fixed angle chemical anchor bolt 16mm)
(6) 250mm# (H) +250mm# (Cao Gang) +50*50) + (with fixed angle chemical anchor bolt 16mm)
2.add layer floor construction material selection:
(1): steel sheet laminated plank, pine, big core board, bamboo plywood. I know of several plates; integrated material deformation and the size of the standard cost is slightly higher than the other plate; pine board encounter tide prone to deformation; Daxinban not environmental protection; bamboo can also offset but the market is not too thick to step up a little behind the sound.
(2) the cast-in-place concrete girder: floating pressure plate, the upper 8# rebar and wire rod form 6# net type high strength reinforcement. Internal filled with ceramsite concrete floating 5 cm, the service life of more than 70 years, or the structure of the steel plate in the concrete, features: sound insulation effect is good. However, the construction of concrete pouring it needs to have enough bearing capacity of the wall because of its greater weight.
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