## Notation

SELECT simbolo,unita,html,descrizioneeng as descrizione,Murario,Lapideo,Malta,parametro from simbologia right join paramlap on simbologia.simbolo=paramlap.parametro group by simbolo UNION SELECT simbolo,unita,html,descrizioneeng as descrizione,Murario,Lapideo,Malta,parametro from simbologia right join parammal on simbologia.simbolo=parammal.parametro group by simbolo UNION SELECT simbolo,unita,html,descrizioneeng as descrizione,Murario,Lapideo,Malta,parametro from simbologia right join parammur on simbologia.simbolo=parammur.parametro group by simbolo order by simbolo
Symbol Unit DescriptionLapideo MortarMurario
Am[cm2]Area of mortar joint
δ[mm]Lateral displacement
δ%[%]Interstorey drift ratio
δe[mm]Lateral displacement at cracking
δmax[mm]Maximum lateral displacement
δu[mm]Ultimate lateral displacement
DIF ftDynamic increase factor in tension
E[MPa]Young's modulus of masonry
E10[MPa]Young's modulus of masonry at 10% of peak load
E10-40[MPa]Chord Young’s modulus between 10% and 40% of compressive strength
E30[MPa]Young's modulus of masonry at 30% of peak load
E30-60[MPa]Chord Young’s modulus between 30% and 60% of compressive strength
E40[MPa]Young's modulus of masonry at 40% of peak load
E40//[MPa]Young's modulus of masonry at 40% of peak load, in direction parallel to mortar bed joints
E80[MPa]Young's modulus of masonry at 80% of peak load
Eb[MPa]Mean Young's modulus of masonry unit
Eb//[MPa]Young's modulus of masonry unit in direction parallel to mortar bed joints
Eb30[MPa]Young's modulus of masonry unit at 30% of peak load
Eb30//[MPa]Young's modulus of masonry unit at 30% of peak load, in direction parallel to mortar bed joints
Eb30sec[MPa]Secant Young's modulus of masonry unit at 30% of peak load
Eb50[MPa]Young's modulus of masonry unit at 50% of peak load
Ebsec[MPa]Secant Young's modulus of masonry unit
Em[MPa]Mean Young's modulus of mortar
Emsec[MPa]Secant Young's modulus of mortar
ε[%]Axial strain
εl[%]Longitudinal axial strain
εmax[%]Maximum axial strain
εt[%]Tensile strain along diagonal of specimen
εt[%]Transverse axial strain
εu[%]Ultimate axial strain
Esec[MPa]Secant Young's modulus of masonry
Esec// [MPa]Secant Young's modulus of masonry in direction parallel to mortar bed joints
F[kN]Horizontal force
fbk[MPa]Characteristic compressive strength of masonry units
fbk//[MPa]Characteristic compressive strength of masonry units parallel to mortar bed joints
fb[MPa]Mean compressive strength of masonry units
fbm/fbmtMean compressive-tensile strength of masonry units ratio
fbm//[MPa]Mean compressive strength of masonry units parallel to mortar bed joints
fbt[MPa]Mean tensile strength of masonry units
fbmt//[MPa]Mean tensile strength of masonry units parallel to mortar bed joints
fk[MPa]Characteristic compressive strength of masonry
fk,mur[MPa]Characteristic compressive streght of masonry prism
fk//[MPa]Characteristic compressive strength of masonry parallel to mortar bed joints
fm[MPa]Mean compressive strength of masonry
fm/fbmRatio between mean compressive strength of masonry and compressive strength of masonry unit
fm/fm,murRatio between mean compressive strength of masonry and compressive strength of masonry prism
fm,mur[MPa]Mean compressive strength of masonry prisms
fm//[MPa]Mean compressive strength of masonry in the direction parallel to mortar bed joints
fm///fbm//Masonry - masonry unit mean compressive strength parallel to mortar bed joints ratio
fm1[MPa]Mean compressive strength of masonry at the 1st load cycle
fm[MPa]Mean compressive strength of mortar
fmm,cil[MPa]Cilindrical mean compressive strength of mortar
fmm,cub[MPa]Cubic mean compressive strength of mortar
fmmk[MPa]Characteristic compressive strength of mortar
fmt[MPa]Mean tensile strength of mortar
fmt[MPa]Mean tensile strength of masonry
fmt//[MPa]Mean tensile strength of masonry parallel to mortar bed joints
ft[MPa]Shear strength of masonry for tensile diagonal cracking
ft/fmRatio between shear strength for tensile diagonal cracking and compressive strength of masonry
ft,car[MPa]Shear strength for tensile diagonal cracking of masonry core
ftk[MPa]Characteristic shear strength of masonry for tensile diagonal cracking
ftko[MPa]Characteristic shear strength of masonry for tensile diagonal cracking at zero confining stress
fto[MPa]Shear strength of masonry for tensile diagonal cracking at zero confining stress
fto,car/ftoRatio between shear strength for tensile diagonal cracking of masonry core and that of masonry
fv[MPa]Shear strength of masonry for diagonal or bed-joint sliding
fv,res[MPa]Residual shear strength of masonry
fvk[MPa]Characteristic shear strength of masonry for diagonal or bed-joint sliding
fvko[MPa]Characteristic shear strength of masonry for diagonal or bed-joint sliding at zero confining stress
fvo[MPa]Shear strength of masonry for diagonal or bed-joint sliding at zero confining stress
G[MPa]Shear modulus of masonry
G(0-30%)[MPa]Shear modulus of masonry between 0% and 30% of cracking strength
G(30-60%)[MPa]Shear modulus of masonry between 30% and 60% of cracking strength
G//[MPa]Shear modulus of masonry parallel to mortar bed joints
G30[MPa]Shear modulus of masonry at 30% of cracking strength
G40[MPa]Shear modulus of masonry at 40% of cracking strength
γ30Shear strain at 30% of cracking strength
γuUltimate shear strain
γe[kN/m3]Shear strain at cracking
Gb[MPa]Shear modulus of masonry unit
G fbmt[J/m2]Tensile fracture energy of masonry unit
GIf[Nmm/mm2]I mode (tensile) fracture energy
GIfc//[Nmm/mm2]I mode (compressive) fracture energy in direction parallel to mortar bed joints
Gm[MPa]Shear modulus of mortar
Gsec[MPa]Secant shear modulus of masonry
kel[MPa]Elastic stiffness
ko[MPa]Initial stiffness
lc[mm]Characteristic lenght of masonry unit
μDuctility
μ1Ratio between horizontal displacement at 90% of peak load and elastic horizontal displacement
μaFriction coefficient of masonry
μ'aResidual friction coefficient of masonry
N[kN]Axial force
νPoisson's ratio of masonry
ν30Poisson's ratio of masonry at 30% of peak load
νbPoisson's ratio of masonry unit
νb//Poisson's ratio of masonry unit in direction parallel to mortar bed joints
νmPoisson's ratio of mortar
ν//Poisson's ratio of masonry in direction parallel to mortar bed joints
ν40%σmaxPoisson's ratio at 40% of masonry compression strength
νlong,40%Longitudinal Poisson’s ratio of masonry at 40% of failure load
Rmax[%]Maximum rotation
Ry[%]Yielding rotation
SDRShear strength of masonry degradation factor
σn[MPa]Mean compressive stress
σmax[MPa]Maximum normal stress
V[kN]Shear force
Vmax[kN]Peak lateral strength
ξdmax[%]Equivalent damping ratio at maximum horizontal displacement
ξVmax[%]Equivalent damping ratio at maximum shear