## 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 | Description | Lapideo | Mortar | Murario |
---|---|---|---|---|---|

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 ft | Dynamic increase factor in tension | ||||

E | [MPa] | Young's modulus of masonry | |||

E1 | [MPa] | Young's modulus of masonry at the 1st loading cycle | |||

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 | |||

E2 | [MPa] | Young's modulus of masonry at the 2nd loading cycle | |||

E3 | [MPa] | Young's modulus of masonry at the 3rd loading cycle | |||

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/fbmt | Mean 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/fbm | Ratio between mean compressive strength of masonry and compressive strength of masonry unit | ||||

fm/fm,mur | Ratio 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/fm | Ratio 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/fto | Ratio 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 | |||

γ30 | Shear strain at 30% of cracking strength | ||||

γu | Ultimate 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 | |||

μ | Ductility | ||||

μ1 | Ratio between horizontal displacement at 90% of peak load and elastic horizontal displacement | ||||

μa | Friction coefficient of masonry | ||||

μ'a | Residual friction coefficient of masonry | ||||

N | [kN] | Axial force | |||

ν | Poisson's ratio of masonry | ||||

ν30 | Poisson's ratio of masonry at 30% of peak load | ||||

νb | Poisson's ratio of masonry unit | ||||

νb// | Poisson's ratio of masonry unit in direction parallel to mortar bed joints | ||||

νm | Poisson's ratio of mortar | ||||

ν// | Poisson's ratio of masonry in direction parallel to mortar bed joints | ||||

ν40%σmax | Poisson'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 | |||

SDR | Shear 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 |