[SECT] Steel Composite Section (Type 1)

SECT

    "SECT": {
        "SECTTYPE": {
            "__DESC__": "Type",
            "__TYPE__": "String"
        },
        "SECT_NAME": {
            "__DESC__": "Sect Name",
            "__TYPE__": "String"
        },

        "SECT_AFTER": {
            "__DESC__": "Sect After",
            "__TYPE__": {
                "SECT_I": {
                    "__DESC__": "Sect I",
                    "__TYPE__": {
                        "vSIZE": {
                            "__DESC__": "Size",
                            "__TYPE__": []
                        }
                    }
                }
            }
        },

        "SECT_BEFORE": {
            "__DESC__": "Sect Before",
            "__TYPE__": {
                "SHAPE": {
                    "__DESC__": "Shape",
                    "__TYPE__": "String"
                },
                "OFFSET_PT": {
                    "__DESC__": "Cardinal Point",
                    "__TYPE__": "String"
                },
                "OFFSET_CENTER": {
                    "__DESC__": "Offset Center",
                    "__TYPE__": "Integer"
                },
                "USER_OFFSET_REF": {
                    "__DESC__": "User Offset Ref",
                    "__TYPE__": "Integer"
                },
                "HORZ_OFFSET_OPT": {
                    "__DESC__": "Horizon offset Option",
                    "__TYPE__": "Integer"
                },
                "USERDEF_OFFSET_YI": {
                    "__DESC__": "User Offset YI",
                    "__TYPE__": "Real"
                },
                "VERT_OFFSET_OPT": {
                    "__DESC__": "Vertical Offset Option",
                    "__TYPE__": "Integer"
                },
                "USERDEF_OFFSET_ZI": {
                    "__DESC__": "User Offset ZI",
                    "__TYPE__": "Real"
                },

                "USE_SHEAR_DEFORM": {
                    "__DESC__": "Use Consider Shear Deform",
                    "__TYPE__": "Bool"
                },
                "USE_WARPING_EFFECT": {
                    "__DESC__": "Use Consider Warping Effect",
                    "__TYPE__": "Bool"
                },

                "MATL_ELAST": {
                    "__DESC__": "Matl_Elast",
                    "__TYPE__": "Real"
                },
                "MATL_DENS": {
                    "__DESC__": "Matl_Density",
                    "__TYPE__": "Real"
                },
                "MATL_POIS_S": {
                    "__DESC__": "Matl_Poisson_S",
                    "__TYPE__": "Real"
                },
                "MATL_POIS_C": {
                    "__DESC__": "Matl_Poisson_C",
                    "__TYPE__": "Real"
                },
                "MATL_THERMAL": {
                    "__DESC__": "Matl_Thermal",
                    "__TYPE__": "Real"
                },

                "USE_MULTI_ELAST": {
                    "__DESC__": "Use Multiple ELastic",
                    "__TYPE__": "Bool"
                },
                "LONGTERM_ESEC": {
                    "__DESC__": "Long Term ESEC",
                    "__TYPE__": "Real"
                },
                "SHRINK_ESEC": {
                    "__DESC__": "Shrinkage ESEC",
                    "__TYPE__": "Real"
                },

                "SECT_I": {
                    "__DESC__": "Sect I",
                    "__TYPE__": {

                        "vSIZE": {
                            "__DESC__": "Size",
                            "__TYPE__": []
                        },
                       
                        "STIFFENER": {
                            "__DESC__": "Stiffener",
                            "__TYPE__": {
                                "POSITION": {
                                    "__DESC__": "Position",
                                    "__TYPE__": "Integer"
                                },
                                "STIFF_CNT": {
                                    "__DESC__": "Stiff Array Count",
                                    "__TYPE__": [
                                        "Integer",
                                        "Integer",
                                        "Integer",
                                        "Integer"
                                    ]
                                },
                                "STIFF_SHAPE": {
                                    "__DESC__": "Stiff Shape",
                                    "__TYPE__": []
                                },
                                "STIFF_TOP": {
                                    "__DESC__": "Stiff Top",
                                    "__TYPE__": []
                                },
                                "STIFF_BOT": {
                                    "__DESC__": "Stiff Bot",
                                    "__TYPE__": []
                                },
                                "STIFF_LEFT": {
                                    "__DESC__": "Stiff Left",
                                    "__TYPE__": []
                                },
                                "STIFF_RIGHT": {
                                    "__DESC__": "Stiff Right",
                                    "__TYPE__": []
                                }
                            }
                        }
                    }
                }
            }
        }
    }

Introduce Input Data Symbols

API - Value Type		Input Data
Integer	🇮	🔴	Essential
String	🇸	❌	Unnecessary
Boolean	🇧	🔺	Optional
Real	🇷

The required Input Data for defining Steel Composite Section

NO.	Name	API - Key	API - Value Type	Default	Steel Composite
1	Section Number	“KEY”	🇮		🔴
2	Section Name	“SECT_NAME”	🇸		🔴
3	Section Data Type "COMPOSITE"	“SECTTYPE”	🇸		🔴
	After Composite Section Properties
4	After Composite	"SECT_AFTER"			🔴
5		"SECT_I"			🔴
6	Slab Section Dimensions [Bc, tc, Hh]	"vSIZE"	🇷		🔴
	Before Composite Section Properties
7	Before Composite	"SECT_BEFORE"			🔴
8	Section Shape Steel Box : “B” Steel I : “I” Steel Tub : “Tub”	“SHAPE”	🇸		🔴
9		"SECT_I"			🔴
10	Girder Section Dimensions	"vSIZE"	🇷		🔴
	Stiffener
11		"STIFFENER"			🔴
12	Position of Stiffener Both : 0 Left : 1 Right : 2	"POSITION"	🇮		🔺
13	Stiffener Array Count [N Left, N Right, N Bottom, N Top]	"STIFF_CNT"	🇮		🔴
14		"STIFF_SHAPE"			🔴
15	Stiffener Name	"NAME"	🇸		🔴
16	Stiffener Type Flat : 0 Tee : 1 U-Rib : 2	"SHAPE_TYPE"	🇮		🔴
17	Stiffener Dimension	"SIZE"	🇷		🔴
18		"STIFF_LEFT"			🔺
19		"STIFF_RIGHT"			🔺
20		"STIFF_BOT"			🔺
21		"STIFF_TOP"			🔺
22	Stiffener Spacing	"SPACING"	🇷		🔴
23	Stiffener No.	"SHAPE"	🇮		🔴
24	Calculation option	"USE_CALC"	🇧		🔴
	Material Properties of Composite Section
25	Modulus Ratio, (steel / concrete)	"MATL_ELAST"	🇷		🔴
26	Density Ratio, (steel / concrete)	"MATL_DENS"	🇷	0	🔺
27	Poisso's Ratio of Steel	"MATL_POIS_S"	🇷	0	🔺
28	Poisson's Ratio of Concrete	"MATL_POIS_C"	🇷	0	🔺
29	Ratio of Thermal Expansion Coefficient	"MATL_THERMAL"	🇷	0	🔺
30	Multiple Modulus of Elasticity	"USE_MULTI_ELAST"	🇧	FALSE	🔺
31	Es / Ec(Creep)	"LONGTERM_ESEC"	🇷	0	🔺
32	Es / Ec(Shrinkage)	"SHRINK_ESEC"	🇷	0	🔺
	Offset
33	Offset Direction	“OFFSET_PT”	🇸		🔺
34	Center Location	“OFFSET_CENTER”	🇮		🔺
35	Horizontal Offset Option	“HORZ_OFFSET_OPT”	🇮		🔺
36	Horizontal Offset Value	“USERDEF_OFFSET_YI”	🇷		🔺
37	Vertical Offset Option	“VERT_OFFSET_OPT”	🇮		🔺
38	Vertical Offset Value	“USERDEF_OFFSET_ZI”	🇷		🔺
39	User Type Offset Reference Position	“USER_OFFSET_REF”	🇮		🔺
	Additional Option
40	Consider Shear Deformation	“USE_SHEAR_DEFORM”	🇧		🔺
41	Consider Warping Effect	“USE_WARPING_EFFECT”	🇧		🔺

Bc: Effective slab width for one girder
tc: Thickness of slab
Hh: Distance from the top of girder to the underside of slab

The JSON format example for inputting Steel Composite Section

API EXAMPLE - Steel Composite Section w/o Stiffener

    "SECT": {
        "1": {
            "SECTTYPE": "COMPOSITE",
            "SECT_NAME": "S_box_T1",

            "SECT_AFTER": {
                "SECT_J": {
                    "vSIZE": [
                        1.0,
                        0.1,
						0.05
                    ]
                }
            },

            "SECT_BEFORE": {
                "SHAPE": "B",
                
                "OFFSET_PT": "CC",
                "OFFSET_CENTER": 0,
                "USER_OFFSET_REF": 0,
                "HORZ_OFFSET_OPT": 0,
                "USERDEF_OFFSET_YI": 0.0,
                "VERT_OFFSET_OPT": 0,
                "USERDEF_OFFSET_ZI": 0.0,

                "USE_SHEAR_DEFORM": true,
                "USE_WARPING_EFFECT": false,

                "MATL_ELAST": 1.1,
                "MATL_DENS": 1.2,
                "MATL_POIS_S": 0.03,
                "MATL_POIS_C": 0.02,
                "MATL_THERMAL": 1.5,
                "USE_MULTI_ELAST": false,

                "SECT_I": {
                    "vSIZE": [
                        0.5,
                        0.05,
                        0.6,
                        0.15,
                        0.06,
                        0.4,
                        0.16,
						0.04
                    ]
                }
            }
        }
    }

API EXAMPLE - Steel Composite Section w/ Stiffener

    "SECT": {
        "2": {
            "SECTTYPE": "COMPOSITE",
            "SECT_NAME": "S_box_T1_S",

            "SECT_AFTER": {
                "SECT_J": {
                    "vSIZE": [
                        1.0,
                        0.1,
                        0.05
                    ]
                }
            },

            "SECT_BEFORE": {
                "SHAPE": "B",

                "OFFSET_PT": "CC",
                "OFFSET_CENTER": 0,
                "USER_OFFSET_REF": 0,
                "HORZ_OFFSET_OPT": 0,
                "USERDEF_OFFSET_YI": 0.0,
                "VERT_OFFSET_OPT": 0,
                "USERDEF_OFFSET_ZI": 0.0,

                "USE_SHEAR_DEFORM": true,
                "USE_WARPING_EFFECT": false,

                "MATL_ELAST": 1.1,
                "MATL_DENS": 1.2,
                "MATL_POIS_S": 0.03,
                "MATL_POIS_C": 0.02,
                "MATL_THERMAL": 1.5,
                "USE_MULTI_ELAST": false,

                "SECT_I": {
                    "vSIZE": [
                        0.5,
                        0.05,
                        0.6,
                        0.15,
                        0.06,
                        0.4,
                        0.16,
                        0.04
                    ],
                    "STIFFENER": {
                        "POSITION": 0,
                        "STIFF_CNT": [
                            3,
                            1,
                            1,
                            1
                        ],
                        "STIFF_SHAPE": [
                            {
                                "NAME": "ST1",
                                "SHAPE_TYPE": 0,
                                "SIZE": [
                                    0.03,
                                    0.04
                                ]
                            },
                            {
                                "NAME": "ST2",
                                "SHAPE_TYPE": 1,
                                "SIZE": [
                                    0.03,
                                    0.04,
                                    0.011,
                                    0.012
                                ]
                            },
                            {
                                "NAME": "ST3",
                                "SHAPE_TYPE": 2,
                                "SIZE": [
                                    0.04,
                                    0.03,
                                    0.02,
                                    0.001,
                                    0.001
                                ]
                            }
                        ],
                        "STIFF_TOP": [
                            {
                                "SPACING": 0.1,
                                "SHAPE": 0,
                                "USE_CALC": true
                            }
                        ],
                        "STIFF_BOT": [
                            {
                                "SPACING": 0.1,
                                "SHAPE": 0,
                                "USE_CALC": true
                            }
                        ],
                        "STIFF_LEFT": [
                            {
                                "SPACING": 0.1,
                                "SHAPE": 0,
                                "USE_CALC": true
                            },
                            {
                                "SPACING": 0.1,
                                "SHAPE": 1,
                                "USE_CALC": true
                            },
                            {
                                "SPACING": 0.2,
                                "SHAPE": 2,
                                "USE_CALC": true
                            }
                        ],
                        "STIFF_RIGHT": [
                            {
                                "SPACING": 0.1,
                                "SHAPE": 0,
                                "USE_CALC": true
                            }
                        ]
                    }
                }
            }
        }
    }