v.1/2014Student Grupa 44B

SalaCalcul estimativ al duratei de reverberaie varianta

Volum 604 mcT recomandat 0.8 sec.

Durata de reverberatie T sec. (Sabine) 1.45 1.32 1.01

Total absorbtie echivalenta 776.40 66.92 73.81 96.68Coeficient mediu de absorbtie a 0.1 0.10 0.12

Nr. Cod Finisaj-tratament Suprafata 250 Hz 1000 Hz 4000 Hzcrt. Denumire prescurtata (mp) a A a A a A1 N.1.3 Scaun tapisat piele/semitapisat (buc.) 30 0.12 3.60 0.31 9.30 0.28 8.402 n.2.2 Pers. pe scaun semitapisat (la bucat) 25 0.26 6.50 0.40 10.00 0.42 10.50

3 K.1.01 Rigips RB 12,5mm, dist. 10cm 126 0.11 13.86 0.03 3.78 0.01 1.264 B.1.3 Tencuial zugrvit 126 0.02 2.52 0.04 5.04 0.05 6.305 A.2.5 Mochet 126 0.11 13.86 0.25 31.50 0.46 57.966 K.1.01 Rigips RB 12,5mm, dist. 10cm 197 0.11 21.67 0.03 5.91 0.01 1.977 B.1.3 Tencuial zugrvit 197 0.02 3.94 0.04 7.88 0.05 9.858 M.1.01 U dublu placat sau celular 4 0.22 0.97 0.09 0.40 0.10 0.449 z.1.1 nimic 0 0.00 0.00 0.00 0.00 0.00 0.0010 z.1.1 nimic 0 0.00 0.00 0.00 0.00 0.00 0.0011 z.1.1 nimic 0 0.00 0.00 0.00 0.00 0.00 0.0012 z.1.1 nimic 0 0.00 0.00 0.00 0.00 0.00 0.00

S = suprafata (mp)V = volumul salii (mc)a = coeficientul de absorbtie sonora

conferinte

Coman Andrei

T(Sabine) . VSi i

n

01611