clearance

1 files changed, 0 insertions, 466 deletions

diff --git a/Connections/Shear/Finplate/finPlateCalc1.py b/Connections/Shear/Finplate/finPlateCalc1.py
deleted file mode 100644
index 34efdb4..0000000
--- a/Connections/Shear/Finplate/finPlateCalc1.py
+++ /dev/null
@@ -1,466 +0,0 @@
-'''
-Created on 25-May-2015
-
-@author: subhrajit
-'''
-''' 
-Example 5.18 Page 412 N. Subramanium
-Design of steel structures
-Design of fin-plate:
-Design a web side plate connection (welded to the column and site bolted to the beam) for ISMB 400 in Fe 410 grade steel and to carry a reaction of 140 kN due
-to factored loads. The connection is to the flange of an ISSC 200 column.
-
-'''
-import cmath;
-import math
-import sys;
-
-from model import *
-from PyQt4.Qt import QString
-import logging
-flag  = 1
-logger = None
-
-def module_setup():
-    
-    global logger
-    logger = logging.getLogger("osdag.finPlateCalc")
-
-module_setup()
-# def set_designlogger():
-#         global logger
-#         logger = logging.getLogger("Designlogger")
-#         logger.setLevel(logging.DEBUG)
-#      
-#         # create the logging file handler
-#         fh = logging.FileHandler("fin.log", mode="w")
-#         
-#         #,datefmt='%a, %d %b %Y %H:%M:%S'
-#         #formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
-#         
-#         formatter = logging.Formatter('''
-#         <div  class="LOG %(levelname)s">
-#             <span class="DATE">%(asctime)s</span>
-#             <span class="LEVEL">%(levelname)s</span>
-#             <span class="MSG">%(message)s</span>
-#         </div>''')
-#         formatter.datefmt = '%a, %d %b %Y %H:%M:%S'
-#         fh.setFormatter(formatter)
-#      
-#         # add handler to logger object
-#         logger.addHandler(fh)
-#         
-        
-
-
-
-#FUNCTION DEFINITIONS---------------
-#BOLT: determination of shear capacity = fu * n * A / (root(3) * Y)
-def bolt_shear(dia, n, fu):
-    A = cmath.pi * dia * dia * 0.25 * 0.78; #threaded area = 0.78 x shank area
-    root3 = cmath.sqrt(3);
-    Vs = fu * n * A / (root3 * 1.25 * 1000);
-    Vs = round(Vs.real,3);
-    return Vs
-    
-#BOLT: determination of bearing capacity = 2.5 * kb * d * t * fu / Y
-def bolt_bearing(dia, t, fu):
-    #add code to determine kb if pitch, gauge, edge distance known
-    kb = 0.5;            #assumption
-    Vb = 2.5 * kb * dia * t * fu / (1.25 * 1000);
-    Vb = round(Vb.real,3);
-    return Vb;
-
-# PLATE: minimum thickness of web plate for eccentricity
-def web_min_h(shear, fy, thk):
-    min_plate_ht = 5*shear*1000/(fy*thk);
-    return min_plate_ht;
-
-
-def finConn(uiObj):
-    global logger
-    beam_sec = uiObj['Member']['BeamSection']
-    column_sec = uiObj['Member']['ColumSection']
-    connectivity = uiObj['Member']['Connectivity']
-    beam_fu = uiObj['Member']['fu (MPa)']
-    beam_fy = uiObj['Member']['fy (MPa)']
-              
-    shear_load = uiObj['Load']['ShearForce (kN)']
-                  
-    bolt_dia = uiObj['Bolt']['Diameter (mm)']
-    bolt_type  = uiObj["Bolt"]["Type"]
-    bolt_grade = uiObj['Bolt']['Grade']
-              
-    web_plate_t = uiObj['Plate']['Thickness (mm)']
-    web_plate_w = uiObj['Plate']['Width (mm)']
-    web_plate_l = uiObj['Plate']['Height (mm)']
-    web_plate_fu = uiObj['Member']['fu (MPa)']
-    web_plate_fy = uiObj['Member']['fy (MPa)']
-              
-    weld_t = uiObj["Weld"]['Size (mm)']
-    weld_fu = 410
-
-    bolt_planes = 1 
-    dictbeamdata  = get_beamdata(beam_sec)
-    beam_w_t = float(dictbeamdata[QString("tw")])
-    beam_f_t = float(dictbeamdata[QString("T")])
-    beam_d = float(dictbeamdata[QString("D")])
-
-    
-    # ############### Need to discuss with sir ########################
-    # #Bolt grade chosen from drop down list
-    # 
-    # #Bolt dia chosen from list of standard sizes between 12 and 36
-    # 
-    # # web_plate_t lies between (5, 63)
-    # if web_plate_t < 5 | web_plate_t > 63:
-    #     sys.exit();
-    # 
-    # #weld_fu lies between (410, 610)
-    # if weld_fu <= 410 | weld_fu >= 610:
-    #     sys.exit();
-
-    ########################################################################
-    # INPUT FOR PLATE DIMENSIONS (FOR OPTIONAL INPUTS) AND VALIDATION
-    
-    # Plate thickness check
-    if web_plate_t < beam_w_t:
-        web_plate_t = beam_w_t
-        #logger.error("The length of the plate is more than the available depth of %2.2f mm " % (plate_len))
-        
-        logger.error(": Chosen web plate thickness is not sufficient" )
-        logger.warning(" : Minimum required thickness %2.2f mm" % (beam_w_t))
-    
-    # Plate height check
-    # Maximum/minimum plate height
-    max_plate_height = beam_d - 2 * beam_f_t - 40;
-    min_plate_height = web_min_h(shear_load,web_plate_fy,web_plate_t);
-    min_plate_height = int(min_plate_height) /10 * 10 +10;
-    min_plate_height = round(min_plate_height,3)
-    
-    # Height input and check
-             
-    if web_plate_l != 0:
-        if web_plate_l > max_plate_height :
-            logger.error(": Height of plate is more than the clear depth of the beam")
-            logger.warning(": Maximum plate height allowed is %2.2f mm " % (max_plate_height))
-            web_plate_l = max_plate_height ; 
-              
-        elif min_plate_height > max_plate_height:
-            logger.error(": Minimum required plate height is more than the clear depth of the beam")
-            logger.warning(": Plate height required should be more than  %2.2f mm " % (min_plate_height))
-            logger.warning(": Maximum plate height allowed is %2.2f mm " % (max_plate_height))
-            logger.info(": Increase the plate thickness")
-            web_plate_l = max_plate_height;
-            
-        elif min_plate_height >= web_plate_l:
-            
-            logger.error(": Plate height provided is less than the minimum required ")
-            logger.warning(": Plate height required should be more than  %2.2f mm " % (min_plate_height))
-            
-            web_plate_l = min_plate_height 
-    else:
-        if min_plate_height < max_plate_height:
-            web_plate_l = min_plate_height +10
-        elif min_plate_height >= max_plate_height:
-            web_plate_l = (max_plate_height-10)//10*10 ;
-        
-    
-    ########################################################################
-    # Bolt design:
-    
-    # I: Check for number of bolts -------------------
-    bolt_fu = int(bolt_grade) * 100
-    bolt_fy = (bolt_grade - int(bolt_grade))*bolt_fu;
-    
-    t_thinner = min(beam_w_t.real,web_plate_t.real);
-    bolt_shear_capacity = bolt_shear(bolt_dia,bolt_planes,bolt_fu).real;
-    bolt_bearing_capacity = bolt_bearing(bolt_dia,t_thinner,beam_fu).real;
-    
-    bolt_capacity = min(bolt_shear_capacity, bolt_bearing_capacity);
-    
-    bolts_required = int(shear_load/bolt_capacity) + 1; 
-    if bolts_required <= 2:
-        bolts_required = 3;
-    
-    bolt_group_capacity = bolts_required * bolt_capacity;
-    
-    # Spacing of bolts for web plate -------------------
-    if bolt_dia == 12 or bolt_dia == 14:
-        dia_hole = bolt_dia + 1
-    elif bolt_dia == 16 or bolt_dia == 18 or bolt_dia == 20 or bolt_dia == 22 or bolt_dia == 24:
-        dia_hole = bolt_dia + 2
-    else:
-        dia_hole = bolt_dia + 3    
-
-    # Minimum/maximum pitch and gauge
-    min_pitch = int(2.5 * bolt_dia);
-    min_gauge = int(2.5 * bolt_dia);
-    
-    if min_pitch%10 != 0 or min_gauge%10 != 0:
-        min_pitch = (min_pitch/10)*10 + 10;
-        min_gauge = (min_gauge/10)*10 + 10;
-    else:
-        min_pitch = min_pitch;
-        min_gauge = min_gauge;
-                            #clause 10.2.2 is800
-    max_spacing = int(min(100 + 4 * t_thinner, 200));        #clause 10.2.3.3 is800
-    
-    min_edge_dist = int(1.5 * (dia_hole)) + 10;    # 10 mm added than min. value
-    if min_edge_dist%10 != 0:
-        min_edge_dist = (min_edge_dist/10)*10 + 10;
-    else:
-        min_edge_dist = min_edge_dist;
-        
-    max_edge_dist = int((12 * t_thinner * cmath.sqrt(250/beam_fy)).real)-1;
-
-    # Determine single or double line of bolts
-    
-    length_avail = (web_plate_l-2*min_edge_dist);
-    pitch = round(length_avail/(bolts_required-1),3);
-    
-    
-    
-    ## Calculation of moment demand
-    
-    M1 = bolt_shear_capacity * (20+min_edge_dist/2);
-    # Single line of bolts
-    if pitch >= min_pitch:
-        bolt_line =1;
-        gauge = 0;
-        bolts_one_line = bolts_required;
-        K = bolts_one_line / 2;
-        M2=0;
-        if bolts_required % 2 ==0 or bolts_required % 2 !=0:
-            for k in range (0,K):
-                M2 = M2 + 2*(bolt_shear_capacity * ((length_avail/2 - k * pitch)**2/(length_avail/2 - k * pitch)));
-            moment_demand = max(M1,M2);
-            moment_demand =  round(moment_demand * 0.001,3)
-    
-    # Multi-line of bolts
-    if pitch < min_pitch:
-        bolt_line = 2;
-        if bolts_required % 2 == 0:
-            bolts_one_line = bolts_required/2;
-        else:
-            bolts_one_line = (bolts_required/2) + 1;
-        
-        pitch = round(length_avail/(bolts_one_line-1),3); 
-        gauge = min_gauge;        
-        M1 = bolt_shear_capacity * (20+ min_edge_dist + gauge/2);
-        
-        if pitch >= min_pitch:
-            K = bolts_one_line / 2;
-            M2=0;
-            if bolts_required % 2 ==0 or bolts_required % 2 !=0:
-                for k in range (0,K):
-                    V = length_avail/2 - k * pitch
-                    H = gauge/2;
-                    d = math.sqrt(V**2 + H**2);
-                    M2 = M2 + 2*(bolt_shear_capacity * (d**2/d));
-                M2=M2*2;
-                moment_demand = max(M1,M2);
-                moment_demand =  round(moment_demand * 0.001,3)
-
-    # Needs discussion with Sir
-        else:
-            logger.error(": Bolt strength is insufficient to carry the shear force")
-            logger.warning (": Increase bolt diameter and/or bolt grade")
-            moment_demand=0.0
-    ####################################################################################
-    # Design of plate:
-    
-    # Width input (optional) and validation
-    if web_plate_w != 0:
-        if bolt_line == 1:
-                web_plate_w_req = 2 * min_edge_dist 
-                end_dist = web_plate_w/2
-        if bolt_line == 2:
-                web_plate_w_req = gauge + 2 * min_edge_dist 
-                end_dist = (web_plate_w - gauge)/2
-            
-    if web_plate_w == 0:   
-        if bolt_line == 1:
-            web_plate_w_req = 2 * min_edge_dist;
-            web_plate_w = web_plate_w_req
-            end_dist = web_plate_w /2
-        if bolt_line == 2:
-            web_plate_w_req = gauge + 2 * min_edge_dist;
-            web_plate_w = web_plate_w_req;
-            end_dist = (web_plate_w - gauge)/2
-
-            
-    # if web_plate_w < web_plate_w_req:
-    #     web_plate_w = web_plate_w_req;
-    
-    # Moment capacity of web plate
-    moment_capacity = 1.2 * (web_plate_fy/1.1) * (web_plate_t * web_plate_l * web_plate_l)/6 * 0.001;
-    moment_capacity = round(moment_capacity * 0.001,3);
-    
-    if moment_capacity > moment_demand:
-        pass
-    else:
-        logger.error(": Plate moment capacity is less than the moment demand")
-        
-        logger.warning(": Re-design with increased plate dimensions")
-        
-        
-    # Plate dimension optimisation 
-    
-    web_plate_l_req1 = math.sqrt((moment_demand*1000*6*1.1)/(1.2*beam_fy*web_plate_t));
-    # Single line of bolts
-    if bolt_line == 1:
-        web_plate_l_req2 = (bolts_required-1) * min_pitch + 2 * min_edge_dist;
-        if web_plate_l == 0 or web_plate_l == min_plate_height or web_plate_l == max_plate_height:
-            web_plate_l_req = max(web_plate_l_req1, web_plate_l_req2, web_plate_l);
-        else:
-            web_plate_l_req = max(web_plate_l_req1, web_plate_l_req2,min_plate_height);
-
-    # Multi line of bolts
-    if bolt_line == 2:
-        web_plate_l_req2 = (bolts_one_line-1) * min_pitch + 2 * min_edge_dist;
-    
-        if web_plate_l == 0 or web_plate_l == min_plate_height or web_plate_l == max_plate_height:
-            web_plate_l_req = max(web_plate_l_req1, web_plate_l_req2, web_plate_l);
-        elif web_plate_l > min_plate_height or web_plate_l < max_plate_height:
-            web_plate_l_req = max(web_plate_l_req1, web_plate_l_req2, min_plate_height);
-    
-    if web_plate_l != min_plate_height +10 or web_plate_l != (max_plate_height-10)//10*10 :
-        pass
-    else:
-        if web_plate_l < web_plate_l_req:
-            logger.error(": Plate height provided is less than the minimum required")
-            
-    if web_plate_w < web_plate_w_req: 
-           
-        logger.error(": Plate width provided is less than the minimum required")
-        logger.warning(": Minimum plate width required is %2.2f mm " %(web_plate_w_req))
-        
-    ##################################################################################
-    ## Weld design
-    # V: Weld shear strength -------------------
-    weld_l = web_plate_l - weld_t * 2;
-    
-    #direct shear
-    Vy1 = shear_load *1000 /float(2*weld_l);        
-    
-    #shear due to moment
-    xCritical = 0;                    #single line weld
-    yCritical = weld_l * 0.5;        #single line weld
-    
-    Ip = weld_l * weld_l * weld_l / 12;
-    
-    Vx = moment_demand * yCritical *1000000 / (2 * Ip);
-    Vy2 = moment_demand * xCritical * 1000000 / (2 * Ip);
-    
-    Vr = math.sqrt(Vx ** 2 + (Vy1 + Vy2) ** 2);
-    Vr = round(Vr,3);
-    
-    weld_strength = 0.7 * weld_t * weld_fu / (math.sqrt(3) * 1.25);
-    weld_strength = round(weld_strength,3);
-    
-    weld_t_req = (Vr * (math.sqrt(3) * 1.25))/(0.7 * weld_fu) ;
-    
-    if weld_t_req != int(weld_t_req):
-        weld_t_req = int(weld_t_req) + 1;
-    else:
-        weld_t_req = weld_t_req;
-    
-    if weld_t >= weld_t_req:
-        pass
-    else:
-        logger.error(": Weld thickness is not sufficient")
-        logger.warning(": Minimum weld thickness is required is %2.2f mm " % (weld_t_req))
-    
-    # End of calculation
-    outputObj = {}
-    outputObj['Bolt'] ={}
-    outputObj['Bolt']['status'] = True
-    outputObj['Bolt']['shearcapacity'] = bolt_shear_capacity
-    outputObj['Bolt']['bearingcapacity'] = bolt_bearing_capacity
-    outputObj['Bolt']['boltcapacity'] = bolt_capacity
-    outputObj['Bolt']['numofbolts'] = bolts_required
-    outputObj['Bolt']['boltgrpcapacity'] = bolt_group_capacity
-    outputObj['Bolt']['numofrow'] = bolts_one_line
-    outputObj['Bolt']['numofcol'] = bolt_line
-    outputObj['Bolt']['pitch'] = pitch
-    outputObj['Bolt']['enddist'] = float(end_dist)
-    outputObj['Bolt']['edge'] = float(min_edge_dist)
-    outputObj['Bolt']['gauge'] = float(gauge)
-     
-    outputObj['Weld'] = {}
-    outputObj['Weld']['thickness'] = weld_t_req
-    outputObj['Weld']['resultantshear'] = Vr
-    outputObj['Weld']['weldstrength'] = weld_strength
-     
-    outputObj['Plate'] = {}
-    outputObj['Plate']['minHeight'] = web_plate_l_req
-    outputObj['Plate']['minWidth'] = web_plate_w_req
-    outputObj['Plate']['externalmoment'] = moment_demand
-    outputObj['Plate']['momentcapacity'] = moment_capacity
-    outputObj['Plate']['height'] = float(web_plate_l)
-    outputObj['Plate']['width'] = float(web_plate_w)
-    
-    
-    #return outputObj
-    
-    if web_plate_l == (min_plate_height+10) or web_plate_l == ((max_plate_height-10)//10*10):
-        if bolt_line==1:
-            if web_plate_l == min_plate_height or web_plate_l == max_plate_height or web_plate_l < web_plate_l_req or web_plate_w < web_plate_w_req or weld_t_req > weld_t:
-                for k in outputObj.keys():
-                    for key in outputObj[k].keys():
-                        outputObj[k][key] = ""
-            elif moment_capacity < moment_demand:
-                for k in outputObj.keys():
-                    for key in outputObj[k].keys():
-                        outputObj[k][key] = ""
-        
-        if bolt_line==2:
-            if pitch < min_pitch:
-                for k in outputObj.keys():
-                    for key in outputObj[k].keys():
-                        outputObj[k][key] = ""
-            elif web_plate_l == min_plate_height or web_plate_l == max_plate_height or web_plate_l < web_plate_l_req or web_plate_w < web_plate_w_req or weld_t_req > weld_t:
-                for k in outputObj.keys():
-                    for key in outputObj[k].keys():
-                        outputObj[k][key] = ""
-            elif moment_capacity < moment_demand:
-                for k in outputObj.keys():
-                    for key in outputObj[k].keys():
-                        outputObj[k][key] = ""
-        else:
-            
-            pass
-        
-    else:
-        if web_plate_l == min_plate_height or web_plate_l == max_plate_height or web_plate_l < web_plate_l_req or web_plate_w < web_plate_w_req or weld_t_req > weld_t:
-            for k in outputObj.keys():
-                for key in outputObj[k].keys():
-                    outputObj[k][key] = ""
-        elif moment_capacity < moment_demand:
-            for k in outputObj.keys():
-                for key in outputObj[k].keys():
-                    outputObj[k][key] = ""
-        elif bolt_line==2:
-            if pitch < min_pitch:
-                for k in outputObj.keys():
-                    for key in outputObj[k].keys():
-                        outputObj[k][key] = ""
-                        
-#     outputObj = {}
-    if  outputObj['Bolt']['status'] == True:
-        
-        logger.info(": Overall finplate connection design is safe \n")
-        logger.debug(" :=========End Of design===========")
-        
-    else:
-        logger.error(": Design is not safe \n ")
-        logger.debug(" :=========End Of design===========")
-    
-    return outputObj
-    
-
-
-
-
-