class TorsionParameters(object):
'''Torsion parameters'''
h0 = 0.0 # Real wall thickess.
c = 0.0 # Longitudinal reinforcement concrete cover.
seccionHuecaEficaz = 0.0 # Cross section contour.
crossSectionContour = geom.Poligono2d() # Cross section contour.
lineaMedia = geom.Poligono2d(
) # Polygon defined by the midline of the effective hollow section.
lineaInt = geom.Poligono2d(
) # Polygon defined by the interior contour of the effective hollow section.
seccionHuecaEficaz = geom.PoligonoConAgujeros2d(
) # Effective hollow section contour
def A(self):
return self.crossSectionContour.getArea()
def u(self):
return self.crossSectionContour.getPerimetro()
def he(self):
return max(2 * self.c, min(self.A() / self.u(), self.h0))
def Ae(self):
return self.lineaMedia.getArea()
def ue(self):
return self.lineaMedia.getPerimetro()
def getVehicleBoundary(self):
'''Return the boundary of the vehicle.'''
retval = geom.Poligono2d()
tmp = self.getVehicleBoundaryPositions()
for p in tmp:
retval.agregaVertice(geom.Pos2d(p.x, p.y))
return retval
def getCenteredVehicleBoundary(self):
'''Return the boundary of the vehicle with respect to
the load centroid.'''
retval = geom.Poligono2d()
tmp = self.getVehicleBoundaryRelativePositions()
for p in tmp:
retval.agregaVertice(p)
return retval
def getA0spN(posPerno, CcrSp):
'''
Polígono que representa el área de influencia de un anclaje individual
según el artículo 5.2.2.6 b) de EOTA TR029.
:param posPerno: Posición del del perno.
:param CcrSp: Distancia al borde crítica por splitting (m).
'''
retval = geom.Poligono2d()
retval.agregaVertice(geom.Pos2d(posPerno.x - CcrSp, posPerno.y - CcrSp))
retval.agregaVertice(geom.Pos2d(posPerno.x + CcrSp, posPerno.y - CcrSp))
retval.agregaVertice(geom.Pos2d(posPerno.x + CcrSp, posPerno.y + CcrSp))
retval.agregaVertice(geom.Pos2d(posPerno.x - CcrSp, posPerno.y + CcrSp))
return retval
def getA0cN(posPerno, hEf):
'''
Polígono que representa el área de influencia de un anclaje individual según el artículo 5.2.2.4 b) (figura 5.4a) de EOTA TR029.
:param posPerno: Posición del del perno.
:param hEf: Profundidad efectiva del anclaje (m).
'''
semiLadoA0cN = getScrN(hEf) / 2
retval = geom.Poligono2d()
retval.agregaVertice(
geom.Pos2d(posPerno.x - semiLadoA0cN, posPerno.y - semiLadoA0cN))
retval.agregaVertice(
geom.Pos2d(posPerno.x + semiLadoA0cN, posPerno.y - semiLadoA0cN))
retval.agregaVertice(
geom.Pos2d(posPerno.x + semiLadoA0cN, posPerno.y + semiLadoA0cN))
retval.agregaVertice(
geom.Pos2d(posPerno.x - semiLadoA0cN, posPerno.y + semiLadoA0cN))
return retval
def getA0pN(d, posPerno, hEf, tauRkUcr):
'''
Polígono que representa el área de influencia de un anclaje individual según el artículo 5.2.2.3 b) (figura 5.1) de EOTA TR029.
:param d: Diámetro del perno (m).
:param posPerno: Posición del del perno.
:param hEf: Profundidad efectiva del anclaje (m).
:param tauRkUcr: Valor característico de la tensión de adherencia con hormigón no fisurado (debe tomarse del documento ETA que resulte aplicable) (Pa).
'''
semiLadoA0pN = getCcrNp(d, hEf, tauRkUcr)
retval = geom.Poligono2d()
retval.agregaVertice(
geom.Pos2d(posPerno.x - semiLadoA0pN, posPerno.y - semiLadoA0pN))
retval.agregaVertice(
geom.Pos2d(posPerno.x + semiLadoA0pN, posPerno.y - semiLadoA0pN))
retval.agregaVertice(
geom.Pos2d(posPerno.x + semiLadoA0pN, posPerno.y + semiLadoA0pN))
retval.agregaVertice(
geom.Pos2d(posPerno.x - semiLadoA0pN, posPerno.y + semiLadoA0pN))
return retval
def getA0spN(anchorPosition, CcrSp):
'''
Polígono que representa el área de influencia de un anclaje individual
according to clause 5.2.2.6 b) of EOTA TR029.
:param anchorPosition: anchor position.
:param CcrSp: edge distance for ensuring the transmission of the
characteristic tensile resistance of a single
anchor without spacing and edge effects in case of
splitting failure (m).
'''
retval = geom.Poligono2d()
retval.agregaVertice(
geom.Pos2d(anchorPosition.x - CcrSp, anchorPosition.y - CcrSp))
retval.agregaVertice(
geom.Pos2d(anchorPosition.x + CcrSp, anchorPosition.y - CcrSp))
retval.agregaVertice(
geom.Pos2d(anchorPosition.x + CcrSp, anchorPosition.y + CcrSp))
retval.agregaVertice(
geom.Pos2d(anchorPosition.x - CcrSp, anchorPosition.y + CcrSp))
return retval
def getA0cN(anchorPosition, hEf):
'''
Polígono que representa el área de influencia de un anclaje individual according to clause 5.2.2.4 b) (figura 5.4a) of EOTA TR029.
:param anchorPosition: anchor position.
:param hEf: effective anchorage depth (m).
'''
semiLadoA0cN = getScrN(hEf) / 2
retval = geom.Poligono2d()
retval.agregaVertice(
geom.Pos2d(anchorPosition.x - semiLadoA0cN,
anchorPosition.y - semiLadoA0cN))
retval.agregaVertice(
geom.Pos2d(anchorPosition.x + semiLadoA0cN,
anchorPosition.y - semiLadoA0cN))
retval.agregaVertice(
geom.Pos2d(anchorPosition.x + semiLadoA0cN,
anchorPosition.y + semiLadoA0cN))
retval.agregaVertice(
geom.Pos2d(anchorPosition.x - semiLadoA0cN,
anchorPosition.y + semiLadoA0cN))
return retval
def getA0pN(d, anchorPosition, hEf, tauRkUcr):
'''
Polígono que representa el área de influencia de un anclaje individual according to clause 5.2.2.3 b) (figura 5.1) of EOTA TR029.
:param d: anchor diameter (m).
:param anchorPosition: Posición del del perno.
:param hEf: effective anchorage depth (m).
:param tauRkUcr: Characteristic bond resistance for non-cracked concrete (must be taken from relevant ETA) (Pa).
'''
semiLadoA0pN = getCcrNp(d, hEf, tauRkUcr)
retval = geom.Poligono2d()
retval.agregaVertice(
geom.Pos2d(anchorPosition.x - semiLadoA0pN,
anchorPosition.y - semiLadoA0pN))
retval.agregaVertice(
geom.Pos2d(anchorPosition.x + semiLadoA0pN,
anchorPosition.y - semiLadoA0pN))
retval.agregaVertice(
geom.Pos2d(anchorPosition.x + semiLadoA0pN,
anchorPosition.y + semiLadoA0pN))
retval.agregaVertice(
geom.Pos2d(anchorPosition.x - semiLadoA0pN,
anchorPosition.y + semiLadoA0pN))
return retval
__license__= "GPL" __version__= "3.0" __email__= "*****@*****.**" def sqr(a): return a*a # Datos gammaMs= 1.4 # Partial safety factor for steel. gammaMc= 2.1 # Partial safety factor for concrete. diamBarra= 25e-3 # Bar diameter in meters. areaBarra= math.pi*sqr(diamBarra/2.0) # Bar area in square meters. h= 274e-3 # Concrete element thickness. hef= 210e-3 # Effective anchor depth. posAnc= geom.Pos2d(.135,0) # Anchor position contornoPiezaSoporte= geom.Poligono2d() # Contour of concrete element. contornoPiezaSoporte.agregaVertice(geom.Pos2d(0,-1)) contornoPiezaSoporte.agregaVertice(geom.Pos2d(1,-1)) contornoPiezaSoporte.agregaVertice(geom.Pos2d(1,1)) contornoPiezaSoporte.agregaVertice(geom.Pos2d(0,1)) fuk= 550e6 # Characteristic steel ultimate tensile strength (Pa). tauRk= 7.5e6 # Characteristic bond strength (taken from ETA-05/0051 table 11). tauRkUcr= 7.5e6 # Characteristic bond strength for non-cracked concrete. k1= 10.1 # 7.2 for cracked concrete and 10.1 for non-cracked concrete. fckCube= 25e6 # Caracteristic concrete compression strength measured on cubes with a side length of 150 mm. # Strength of the anchor itself. NRds= EOTA_TR029_traccion.axialResistanceSteelFailure(areaBarra,fuk)/gammaMs