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Compressive Strength

The CompStrength class manages time-dependent compressive strength properties for concrete materials.

Class Attributes

CompStrength.mats -> List of all compressive strength instances.

Methods

json

Returns a JSON representation of all Compressive Strength properties defined in python.

print(CompStrength.json())
# Output:
# {'Assign': {1: {'NAME': 'Comp_M25', 'TYPE': 'CODE', ...}}}

create

Sends compressive strength data to Civil NX using a PUT request.

CompStrength.create()

get

Fetches compressive strength data from Civil NX and returns the JSON representation.

print(CompStrength.get())

sync

Retrieves Compressive Strength data from Civil NX and rebuilds the internal list.

CompStrength.sync()

delete

Deletes all compressive strength data from both Python and Civil NX.

CompStrength.delete()

TERS

Codal Provision

IRC Code (112)

IRC

CompStrength.IRC(name, code_year=2020, fck_delta=0, cement_type=1, aggregate_type=0, id=0)

Creates IRC standard compressive strength properties for Indian Road Congress standards.

Parameters

  • name (str): Property name (required)
  • code_year (int, optional): Year of the IRC standard. Can be 2020, 2011, or 2000. Defaults to 2020.
  • fck_delta (float): 28-day characteristic compressive strength
  • cement_type (int, optional): Type of cement used
  • 1: Slow setting (default)
  • 2: Normal
  • 3: Rapid hardening
  • aggregate_type (int, optional): Type of aggregate used (for IRC:112 only)
  • 0: Basalt, dense limestone (default)
  • 1: Quartzite
  • 2: Limestone
  • 3: Sandstone
  • id (int, optional): Unique identifier. Auto-generated if not specified.

Object Attributes

  • ID (int): The ID of the compressive strength definition.
  • DATA (dict): A dictionary containing the compressive strength properties. Specific keys include:
  • NAME (str): Name of the compressive strength definition.
  • TYPE (str): "CODE"
  • CODENAME (str): Code standard (e.g., "INDIA(IRC:112-2020)").
  • STRENGTH (float): Concrete characteristic compressive strength fck (delta fck).
  • iCTYPE (int): Type of cement.
  • nAGGRE (int): Type of aggregate.

Examples

# IRC 112-2020 with normal cement
CompStrength.IRC("C30_IRC2020", code_year=2020, fck_delta=30000, cement_type=2)

# IRC 18-2000 standard
CompStrength.IRC("C25_IRC2000", code_year=2000, fck_delta=25000)

# IRC 112-2011 with rapid hardening cement and quartzite aggregate
CompStrength.IRC("C40_IRC2011", code_year=2011, fck_delta=40000, cement_type=3, aggregate_type=1)
ACI Code

ACI

CompStrength.ACI(name, fck=0, factor_a=1, factor_b=2, id=0)

Creates ACI standard compressive strength properties for American Concrete Institute standards.

Parameters

  • name (str): Property name (required)
  • fck (float): 28-day compressive strength (default=0)
  • factor_a (float): ACI model parameter A (default=1)
  • factor_b (float): ACI model parameter B (default=2)
  • id (int, optional): Unique identifier. Auto-generated if not specified.

Object Attributes

  • ID (int): The ID of the compressive strength definition.
  • DATA (dict): A dictionary containing the compressive strength properties. Specific keys include:
  • NAME (str): Name of the compressive strength definition.
  • TYPE (str): "CODE"
  • CODENAME (str): "ACI"
  • STRENGTH (float): 28-day compressive strength
  • A (float): ACI model parameter A
  • B (float): ACI model parameter B

Examples

# Standard ACI material
CompStrength.ACI("C30_ACI", 30000, 1, 2)

# Custom factors
CompStrength.ACI("C25_ACI_Custom", 25000, 1.2, 1.8)
CEB-FIP Code

CEB_FIP

CompStrength.CEB_FIP(name, code_year=2010, fck=0, cement_type=1, aggregate_type=0, id=0)

Creates CEB-FIP standard compressive strength properties for European concrete standards.

Parameters

  • name (str): Property name (required)
  • code_year (int, optional): Year of the CEB-FIP standard. Can be 1978, 1990, or 2010. Defaults to 2010.
  • fck (float): 28-day compressive strength (default=0)
  • cement_type (int, optional): Type of cement (for 1990 and 2010)
  • 1: RS: 0.2 / 42.5 R, 52.5 N, 52.5 R: 0.20 (default)
  • 2: N, R: 0.25 / 32.5 R, 42.5 N: 0.25
  • 3: SL: 0.38 / 32.5 N: 0.38
  • aggregate_type (int, optional): Type of aggregate (for 2010 only)
  • 0: Basalt, dense limestone aggregates (1.2): 0 (default)
  • 1: Quartzite aggregates: 1
  • 2: Limestone aggregates: 2
  • 3: Sandstone aggregates: 3
  • id (int, optional): Unique identifier. Auto-generated if not specified.

Object Attributes

  • ID (int): The ID of the compressive strength definition.
  • DATA (dict): A dictionary containing the compressive strength properties. Specific keys include:
  • NAME (str): Name of the compressive strength definition.
  • TYPE (str): "CODE"
  • CODENAME (str): Code standard (e.g., "CEB-FIP(2010)").
  • STRENGTH (float): 28-day compressive strength
  • iCTYPE (int): Type of cement (for 1990 and 2010).
  • nAGGRE (int): Type of aggregate (for 2010 only).

Examples

# CEB-FIP 2010 with normal cement and basalt aggregate
CompStrength.CEB_FIP("C30_CEBFIP2010", 2010, 30000, 1, 0)

# CEB-FIP 1990 with slow setting cement
CompStrength.CEB_FIP("C25_CEBFIP1990", 1990, 25000, 3)

# CEB-FIP 1978 (no cement/aggregate type)
CompStrength.CEB_FIP("C40_CEBFIP1978", 1978, 40000)
Ohzagi Code

Ohzagi

CompStrength.Ohzagi(name, fck=0, cement_type=2, id=0)

Creates Ohzagi compressive strength model properties.

Parameters

  • name (str): Property name (required)
  • fck (float): 28-day compressive strength (default=0)
  • cement_type (int, optional): Type of cement used
  • 1: RS
  • 2: N, R (default)
  • 3: SL
  • 4: Fly-ash
  • id (int, optional): Unique identifier. Auto-generated if not specified.

Object Attributes

  • ID (int): The ID of the compressive strength definition.
  • DATA (dict): A dictionary containing the compressive strength properties. Specific keys include:
  • NAME (str): Name of the compressive strength definition.
  • TYPE (str): "CODE"
  • CODENAME (str): "Ohzagi"
  • STRENGTH (float): 28-day compressive strength
  • iCTYPE (int): Type of cement

Examples

# Standard Ohzagi material with N,R cement
CompStrength.Ohzagi("C30_Ohzagi", 30000, 2)

# Fly-ash cement type
CompStrength.Ohzagi("C25_Ohzagi_FA", 25000, 4)
European Code

European

CompStrength.European(name, fck=0, cement_type=2, id=0)

Creates European compressive strength model properties.

Parameters

  • name (str): Property name (required)
  • fck (float): 28-day compressive strength (default=0)
  • cement_type (int, optional): Cement class type
  • 1: Class R: 0.20
  • 2: Class N: 0.25 (default)
  • 3: Class S: 0.38
  • id (int, optional): Unique identifier. Auto-generated if not specified.

Object Attributes

  • ID (int): The ID of the compressive strength definition.
  • DATA (dict): A dictionary containing the compressive strength properties. Specific keys include:
  • NAME (str): Name of the compressive strength definition.
  • TYPE (str): "CODE"
  • CODENAME (str): "EUROPEAN"
  • STRENGTH (float): 28-day compressive strength
  • iCTYPE (int): Cement class type

Examples

# European standard with Class N cement
CompStrength.European("C30_Euro", 30000, 2)

# High early strength with Class R cement
CompStrength.European("C40_Euro_R", 40000, 1)
Russian Code

Russian

CompStrength.Russian(name, fck=0, cement_type=1, curing_method=1, concrete_type=1, max_aggregate_size=0.02, specific_cement_content=0.25, id=0)

Creates Russian compressive strength model properties.

Parameters

  • name (str): Property name (required)
  • fck (float): 28-day compressive strength (default=0)
  • cement_type (int, optional): Type of cement
  • 1: Normal (default)
  • 2: Fast-hardened
  • 3: Slag
  • 4: Pozzolan
  • curing_method (int, optional): Method of curing
  • 0: Natural cure: 0
  • 1: Steam cure: 1 (default)
  • concrete_type (int, optional): Type of concrete
  • 0: Heavy concrete: 0
  • 1: Fine-grained concrete: 1 (default)
  • max_aggregate_size (float): Maximum aggregate size in meters (default=0.02)
  • specific_cement_content (float): Specific content of cement paste (default=0.25)
  • id (int, optional): Unique identifier. Auto-generated if not specified.

Object Attributes

  • ID (int): The ID of the compressive strength definition.
  • DATA (dict): A dictionary containing the compressive strength properties. Specific keys include:
  • NAME (str): Name of the compressive strength definition.
  • TYPE (str): "CODE"
  • CODENAME (str): "RUSSIAN"
  • STRENGTH (float): 28-day compressive strength
  • iCTYPE (int): Type of cement
  • CMETH (int): Curing method
  • CTYPE (int): Concrete type
  • MAXS (float): Maximum aggregate size
  • PZ (float): Specific cement content

Examples

# Standard Russian concrete
CompStrength.Russian("C30_RU", 30000, 1, 1, 1, 0.02, 0)

# Fast-hardened cement with natural curing
CompStrength.Russian("C25_RU_FH", 25000, 2, 0, 0, 0.025, 0)
Australian Standards Code

AS

CompStrength.AS(name, standard="AS5100.5-2017", fck=0, id=0)

Creates Australian Standards compressive strength model properties.

Parameters

  • name (str): Property name (required)
  • standard (str, optional): Australian standard specification
  • "AS5100.5-2017": AS 5100.5-2017 (default)
  • "AS5100.5-2016": AS 5100.5-2016
  • "AS/RTA5100.5-2011": AS/RTA 5100.5-2011
  • "AS3600-2009": AS 3600-2009
  • fck (float): 28-day compressive strength (default=0)
  • id (int, optional): Unique identifier. Auto-generated if not specified.

Object Attributes

  • ID (int): The ID of the compressive strength definition.
  • DATA (dict): A dictionary containing the compressive strength properties. Specific keys include:
  • NAME (str): Name of the compressive strength definition.
  • TYPE (str): "CODE"
  • CODENAME (str): Australian standard specification
  • STRENGTH (float): 28-day compressive strength

Examples

# AS 5100.5-2017 standard
CompStrength.AS("C30_AS2017", "AS5100.5-2017", 30000)

# AS 3600-2009 standard
CompStrength.AS("C25_AS3600", "AS3600-2009", 25000)
Gilbert and Ranzi Code

GilbertRanzi

CompStrength.GilbertRanzi(name, fck=0, cement_type=1, density=230, id=0)

Creates Gilbert and Ranzi compressive strength model properties.

Parameters

  • name (str): Property name (required)
  • fck (float): 28-day compressive strength (default=0)
  • cement_type (int, optional): Type of cement
  • 1: Ordinary Portland cement: 0.38 (default)
  • 2: High early strength cement: 0.25
  • density (float): Weight density in kg/m³ (default=230)
  • id (int, optional): Unique identifier. Auto-generated if not specified.

Object Attributes

  • ID (int): The ID of the compressive strength definition.
  • DATA (dict): A dictionary containing the compressive strength properties. Specific keys include:
  • NAME (str): Name of the compressive strength definition.
  • TYPE (str): "CODE"
  • CODENAME (str): "GILBERT AND RANZI"
  • STRENGTH (float): 28-day compressive strength
  • iCTYPE (int): Type of cement
  • DENSITY (float): Weight density

Examples

# Standard Gilbert-Ranzi model
CompStrength.GilbertRanzi("C30_GR", 30000, 1, 2400)

# High early strength cement
CompStrength.GilbertRanzi("C40_GR_HES", 40000, 2, 2450)
Japan Hydration Code

JapanHydration

CompStrength.JapanHydration(name, fck=0, cement_type=1, use_concrete_data=True, tensile_strength_factor=3, factor_a=4.5, factor_b=0.95, factor_d=1.11, id=0)

Creates Japan Hydration compressive strength model properties.

Parameters

  • name (str): Property name (required)
  • fck (float): 28-day compressive strength (default=0)
  • cement_type (int, optional): Type of cement
  • 0: Normal Portland cement
  • 1: Moderate Portland cement (default)
  • 2: High-early-strength Portland cement
  • use_concrete_data (bool): Enable concrete data option (default=True)
  • tensile_strength_factor (float): Factor for tensile strength (default=3)
  • factor_a (float): Model parameter A (default=4.5, used when use_concrete_data=False)
  • factor_b (float): Model parameter B (default=0.95, used when use_concrete_data=False)
  • factor_d (float): Model parameter D (default=1.11, used when use_concrete_data=False)
  • id (int, optional): Unique identifier. Auto-generated if not specified.

Object Attributes

  • ID (int): The ID of the compressive strength definition.
  • DATA (dict): A dictionary containing the compressive strength properties. Specific keys include:
  • NAME (str): Name of the compressive strength definition.
  • TYPE (str): "CODE"
  • CODENAME (str): "Japan(hydration)"
  • STRENGTH (float): 28-day compressive strength
  • iCTYPE (int): Type of cement
  • bUSE (bool): Use concrete data option
  • TENS_STRN_FACTOR (float): Tensile strength factor
  • A (float): Model parameter A (when use_concrete_data=False)
  • B (float): Model parameter B (when use_concrete_data=False)
  • D (float): Model parameter D (when use_concrete_data=False)

Examples

# Standard Japan hydration with concrete data
CompStrength.JapanHydration("C30_JH", 30000, 1, True, 3)

# Custom factors without concrete data
CompStrength.JapanHydration("C25_JH_Custom", 25000, 0, False, 3, 4.0, 0.9, 1.0)
Japan Elastic Code

JapanElastic

CompStrength.JapanElastic(name, fck=0, elastic_cement_type=0, id=0)

Creates Japan Elastic compressive strength model properties.

Parameters

  • name (str): Property name (required)
  • fck (float): 28-day compressive strength (default=0)
  • elastic_cement_type (int, optional): Type of cement for elastic model
  • 0: Normal type: 0 (default)
  • 1: Rapid type: 1
  • id (int, optional): Unique identifier. Auto-generated if not specified.

Object Attributes

  • ID (int): The ID of the compressive strength definition.
  • DATA (dict): A dictionary containing the compressive strength properties. Specific keys include:
  • NAME (str): Name of the compressive strength definition.
  • TYPE (str): "CODE"
  • CODENAME (str): "Japan(elastic)"
  • STRENGTH (float): 28-day compressive strength
  • iECTYPE (int): Elastic cement type

Examples

# Normal type cement
CompStrength.JapanElastic("C30_JE", 30000, 0)

# Rapid type cement
CompStrength.JapanElastic("C40_JE_Rapid", 40000, 1)
KDS-2016 Code

KDS

CompStrength.KDS(name, fck=0, cement_type=1, density=230, id=0)

Creates KDS-2016 compressive strength model properties.

Parameters

  • name (str): Property name (required)
  • fck (float): 28-day compressive strength (default=0)
  • cement_type (int, optional): Type of cement
  • 1: N,R moist cured: 0.35 (default)
  • 2: N,R steam cured: 0.15
  • 3: RS moist cured: 0.25
  • 4: RS steam cured: 0.12
  • 5: SL: 0.40
  • density (float): Weight density in kg/m³ (default=230)
  • id (int, optional): Unique identifier. Auto-generated if not specified.

Object Attributes

  • ID (int): The ID of the compressive strength definition.
  • DATA (dict): A dictionary containing the compressive strength properties. Specific keys include:
  • NAME (str): Name of the compressive strength definition.
  • TYPE (str): "CODE"
  • CODENAME (str): "KDS-2016"
  • STRENGTH (float): 28-day compressive strength
  • iCTYPE (int): Type of cement
  • DENSITY (float): Weight density

Examples

# Standard KDS with N,R moist cured cement
CompStrength.KDS("C30_KDS", 30000, 1, 2400)

# Steam cured cement
CompStrength.KDS("C25_KDS_Steam", 25000, 2, 2350)
KCI-USD12 Code

KCI

CompStrength.KCI(name, fck=0, cement_type=1, id=0)

Creates KCI-USD12 compressive strength model properties.

Parameters

  • name (str): Property name (required)
  • fck (float): 28-day compressive strength (default=0)
  • cement_type (int, optional): Type of cement
  • 1: N,R moist cured: 0.35 (default)
  • 2: N,R steam cured: 0.15
  • 3: RS moist cured: 0.25
  • 4: RS steam cured: 0.12
  • 5: SL: 0.40
  • id (int, optional): Unique identifier. Auto-generated if not specified.

Object Attributes

  • ID (int): The ID of the compressive strength definition.
  • DATA (dict): A dictionary containing the compressive strength properties. Specific keys include:
  • NAME (str): Name of the compressive strength definition.
  • TYPE (str): "CODE"
  • CODENAME (str): "KCI-USD12"
  • STRENGTH (float): 28-day compressive strength
  • iCTYPE (int): Type of cement

Examples

CompStrength.KCI("C30_KCI", 30000, 1)
Korean Standard Code

KoreanStandard

CompStrength.KoreanStandard(name, fck=0, factor_a=1, factor_b=2, id=0)

Creates Korean Standard compressive strength model properties.

Parameters

  • name (str): Property name (required)
  • fck (float): 28-day compressive strength (default=0)
  • factor_a (float): Model parameter A (default=1)
  • factor_b (float): Model parameter B (default=2)
  • id (int, optional): Unique identifier. Auto-generated if not specified.

Object Attributes

  • ID (int): The ID of the compressive strength definition.
  • DATA (dict): A dictionary containing the compressive strength properties. Specific keys include:
  • NAME (str): Name of the compressive strength definition.
  • TYPE (str): "CODE"
  • CODENAME (str): "KoreanStandard"
  • STRENGTH (float): 28-day compressive strength
  • A (float): Model parameter A
  • B (float): Model parameter B

Examples

# Standard Korean model
CompStrength.KoreanStandard("C30_KS", 30000, 1, 2)

# Custom factors
CompStrength.KoreanStandard("C25_KS_Custom", 25000, 1.1, 1.8)
User Defined Code

UserDefined

CompStrength.UserDefined(name, scale_factor=1, time_data=None, id=0)

Creates User Defined compressive strength model properties.

Parameters

  • name (str): Property name (required)
  • scale_factor (float): Scaling factor for the data (default=1)
  • time_data (list, optional): Time-dependent strength data. Each object should contain:
  • TIME: Time in days (number)
  • COMP: Compression strength (number)
  • TENS: Tensile strength (number)
  • ELAST: Elastic modulus (number)
  • id (int, optional): Unique identifier. Auto-generated if not specified.

Object Attributes

  • ID (int): The ID of the compressive strength definition.
  • DATA (dict): A dictionary containing the compressive strength properties. Specific keys include:
  • NAME (str): Name of the compressive strength definition.
  • TYPE (str): "USER"
  • SCALE (float): Scale factor
  • aDATA (list): Time-dependent strength data