Adjusting the default parameters
General data General data
overdepth for notch overdepth for notch
overlength for notch overlength for notch
This group determines the way in which a
This group determines the way in which a frame connection is designed and calculated.frame connection is designed and calculated.
Tr
Allowable relative relative error error for for limitlimit moments (%)
moments (%)
This is the permissible exceeding percentage of the This is the permissible exceeding percentage of the Moment design resistance Mj,Rd, for a connection to still Moment design resistance Mj,Rd, for a connection to still be classified as OK. determination of the effective width beff, which is used to determination of the effective width beff, which is used to determine the design resistance of column web to the determination of the design resistance of column the determination of the design resistance of column flange in bending. It is possible to omit kfc, so that no flange in bending. It is possible to omit kfc, so that no reduction for the longitudinal compressive stress reduction for the longitudinal compressive stress scom,Ed in the column flange is made. See Ref. [1] determination of the design compression resistance of determination of the design compression resistance of the beam flange in compression, for beams stiffened
: Mc,Rd will be calculated for the : Mc,Rd will be calculated for the cross-section consisting of the beam + the
section consisting of the beam + the haunch(es).haunch(es).
: For the compressed : For the compressed haunch flange, the Fc,fb,Rd is calculated according to haunch flange, the Fc,fb,Rd is calculated according to SPRINT regulations. See also chapter Compression SPRINT regulations. See also chapter Compression resistance for haunches in Connect Frame : Theoretical resistance for haunches in Connect Frame : Theoretical Background.
Background.
Use alternative method for Use alternative method for Ft.Rd.1
Ft.Rd.1
This feature allows the user to use an alternative This feature allows the user to use an alternative method, given in Ref. [1] J.3.2.4, for the determination of method, given in Ref. [1] J.3.2.4, for the determination of Ft,Rd for mode 1: Complete yielding of the flange.
Ft,Rd for mode 1: Complete yielding of the flange.
This method leads to a higher value of the design
In axis: internal forces in the node (intersection of beam: internal forces in the node (intersection of beam In edge
In edge : internal forces at the connection : internal forces at the connection
Prof
Always adapt stiffeners
Always adapt stiffeners When When this this option option is is selected, the selected, the thickness of thickness of stiffenersstiffeners will be changed during the calculation of the node, will be changed during the calculation of the node, depending on actual internal forces and critical limit depending on actual internal forces and critical limit forces. See Weld size calculation and Stiffener forces. See Weld size calculation and Stiffener dimensions in calculated during the calculation of the node, depending calculated during the calculation of the node, depending on the actual internal
on the actual internal forces and the critical limit forces.forces and the critical limit forces.
When this option is not selected, the default values are When this option is not selected, the default values are taken.
taken.
See Weld size calculation and Stiffener dimensions in See Weld size calculation and Stiffener dimensions in
..
Apply
Apply stiffness stiffness classificationclassification check
check
When this option is selected, the stiffness classification When this option is selected, the stiffness classification and the check of the
and the check of the required stiffness are applied.required stiffness are applied.
Use internal forces for weld size Use internal forces for weld size calculation the limit capacities are used.
the limit capacities are used.
Use stiffeners in column web capacity of the column web panel in
capacity of the column web panel in shear.shear.
Use last bolt only for shear Use last bolt only for shear capacity
capacity
Check this box to have at least 1 bolt row which will not Check this box to have at least 1 bolt row which will not be considered in tension. This bolt row is used for full
This group determines the way in which a
This group determines the way in which a base plate is designed and base plate is designed and calculated.calculated.
Apply
Apply stiffness stiffness classificationclassification check
check
When this check box is active, the s
When this check box is active, the s tiffness classificationtiffness classification and the check of the
and the check of the required stiffness are applied.required stiffness are applied.
C characteristic strength of the concrete foundation and characteristic strength of the concrete foundation and the thickness of the grout is not greater than 0.2 times the thickness of the grout is not greater than 0.2 times the smallest width of the steel base plate.
the smallest width of the steel base plate.
Friction coefficient
Friction coefficient Fill out the appropriateFill out the appropriatefriction coefficientfriction coefficient between mortar between mortar and steel. Ref.[6], clause 5.2.2 for more information.
Ref.[6], clause 5.2.2 for more information.
Bar type
Bar type bars wbars with a ribbed sith a ribbed surfacurfacee
F
Frriiccttiioon n iinncclluuddeedd TThhiis s ooppttiioon n aalllloowws s yyoou u tto o ttaakke e aaccccoouunnt t ffoor r tthhe e ffrriiccttiioonn resistance when determining the shear resistance VRd resistance when determining the shear resistance VRd of the joint. Check this box to take account for the down bolts are anchored into the foundation :
down bolts are anchored into the foundation :
Connect Frame : Theoretical Connect Frame : Theoretical Background
Background..
Connect Frame : Theoretical Background Connect Frame : Theoretical Background
Base plate Base plate
High-bond bars High-bond bars::
Plain bars
Plain bars: bars with a plain surface: bars with a plain surface
Anchorage type Anchorage type
The anchors
The anchors are provided are provided with a hookwith a hook
distributing member distributing member O
Ovveerrlleennggtth h ((dd)) SSeee e ddeeffiinniittiioon n oof f aanncchhoorrs s iin n CCoonnnneeccttiioon n PPaarrttss Ret
Retourourlenlength hgth hookooked anced anchor (hor (d)d) See dSee defiefinitnition of aion of anchnchors iors in Conn Connecnection Ption Partartss Ret
Retourourlenlength gth curvcurved aed anchnchor (dor (d)) See See defdefiniinitiotion of an of anchnchors ors in Coin Connennectiction Paon Partsrts Inn Distance from anchor to side of
Distance from anchor to side of concrete block
concrete block
See definition of anchors in Connection Parts See definition of anchors in Connection Parts
Anchor length
Anchor length See definition of anchors in ConnecSee definition of anchors in Connection Partstion Parts U
Usse e ssuuppppoorrt t rreeaaccttiioonnss WhWheen n tthhiis os oppttiioon in is s sseelleecctteedd, t, thhe se suuppppoorrt rt reeaaccttiioonns s aarree used to design the base plate connection.
used to design the base plate connection.
If not, the member forces of the column are used to dimensioning the anchor length. Otherwise, the limit dimensioning the anchor length. Otherwise, the limit capacities are used.
capacities are used.
properties so they will result in
properties so they will result in the same anchorage length (curved is provided for the same anchorage length (curved is provided for future purposes)future purposes) higher than 300 N/mm² (According to Ref. [1] ).
higher than 300 N/mm² (According to Ref. [1] ).
For common bolt diameters (M12 to M36) , the default values for e1 and p1 ( in the diagonal element) and the For common bolt diameters (M12 to M36) , the default values for e1 and p1 ( in the diagonal element) and the default values e1 and e2 (in the plate element) are set for staggered and non-staggered bolt positions.
default values e1 and e2 (in the plate element) are set for staggered and non-staggered bolt positions.
straight
straight: fixing is only based on bond: fixing is only based on bond hooked
hooked ::
curved
curved: see Note 1 below the table: see Note 1 below the table circular plate
circular plate: A washer plate is provided as the load: A washer plate is provided as the load
Note
Note 1: Hooked and curved are basically the same types, they only differ in geometrical 1: Hooked and curved are basically the same types, they only differ in geometrical Note
Note 2: Hooked and curved bolt types should not be used for bolts with a specified yield strength 2: Hooked and curved bolt types should not be used for bolts with a specified yield strength
Bolted diagonal Bolted diagonal
The critical normal force for the connection design
The critical normal force for the connection design is searched using the selected criterion:is searched using the selected criterion:
T
Teennssiioon n oonnllyy oonnlly y tteennssiille e ffoorrccees s aarre e ccoonnssiiddeerreedd Te
Tensnsioion n anand d cocompmpreressssioionn boboth th cocommprpresessision on anand d tetensnsilile e foforcrces es arare e coconsnsididerereded
Here, partial safety factors can be specified.
Here, partial safety factors can be specified.
S
Resistance of members to buckling + Class Resistance of members to buckling + Class 4 sections
Slip resistance for the ultimate limit state
Slip resistance for the ultimate limit state 1.251.25
c
compression/tension ion resistance.resistance.
1.1 connection beam and connection column. This is only valid when the connection beam and connection column. This is only valid when the or when search by name was without success.
or when search by name was without success.
M
Matatereriaiall SSetets s ththe e adadmmisisssibible le rerelalatitivve e mmatatereriaial l ererroror r fofor r rretetririevevining g ththe e ccononnenectctioionn materials (i.e. the material properties for beam, column, endplate, bolt, materials (i.e. the material properties for beam, column, endplate, bolt, etc.) angle is defined in the edit box.
angle is defined in the edit box.
Normal force type
Relative errors can be set:can be set:
check on dimensions
check on dimensions option is set, or when a VARH section is used, option is set, or when a VARH section is used,
P
Poossiittiioonn TThhis is rrelelaattiivve ee errrroor tr taakkees is inntto ao accccoouunnt tt thhe de diiffffeerreenncce be beettwweeeen tn the he ddeessiiggnn moment resistance at the top side and the bottom side. If the relative moment resistance at the top side and the bottom side. If the relative error between the design moment resistance at the top side and the error between the design moment resistance at the top side and the bottom side is larger than the value which is set here, an inverted bottom side is larger than the value which is set here, an inverted position of the connection will be considered. This value has no sense position of the connection will be considered. This value has no sense for pinned connections.
for pinned connections.
This is the default order
This is the default order option for sorting the option for sorting the relevant connections.relevant connections.
Unity check: sorting by unity Unity check: sorting by unity checkcheck
Priority sorting by priority number Priority sorting by priority number
The number of entries in the retrieved connection list, can be customized and filtered by means of following The number of entries in the retrieved connection list, can be customized and filtered by means of following options:
Sets limits for the unity check. Only the unity checks, which are inside Sets limits for the unity check. Only the unity checks, which are inside the boundaries, will be present in the connection list.
the boundaries, will be present in the connection list.
TIP: a good maximum value is 0.90.
TIP: a good maximum value is 0.90.
priority min priority min priority max priority max
Sets limits for the priority number.
Sets limits for the priority number.
c
caappaacciitty y ffiilltteerr TThhe e uunniitty y cchheecck k ccaan n bbe e bbaasseedd::
on the capacity table values, on the capacity table values,
on the calculated capacity values or on the calculated capacity values or on a combination of both
on a combination of both (minimum or maximum).(minimum or maximum).
bol
bolt ext excluclude lde listist For For a ba boltolted ced connonnectectionion, y, you cou can elan elimiiminatnate boe bolt glt gradrades. es. The The connconnectectionion list will not contain connections using the
list will not contain connections using the selected bolt grades.selected bolt grades.
so used for VARH sections or when the retrieving by
used for VARH sections or when the retrieving by names is without success.names is without success.
The
The check box should be activated if the user wants to include the columncheck box should be activated if the user wants to include the column properties for finding the matching connections. If this is not activated, only the beam properties are consulted.
properties for finding the matching connections. If this is not activated, only the beam properties are consulted.
It is obvious that with this last option, the retrieved unity check can differ from the calculated unity check. The It is obvious that with this last option, the retrieved unity check can differ from the calculated unity check. The number of retrieved connections will be larger.
number of retrieved connections will be larger.
1
3. AdjusAdjust tht the ine individdividual ual paramparameters eters in thin the tae table ble as as requirequired.red.
4
4.. CCoonnffiirrm m wwitithh
The procedure for the definition of a new connection is similar for all analysis types. This chapter presents the The procedure for the definition of a new connection is similar for all analysis types. This chapter presents the general procedure. The following chapters then deal
general procedure. The following chapters then deal with some specifics of individual connection types.with some specifics of individual connection types.
Note: The connection may also be inserted into an intersection of two or more beams where Note: The connection may also be inserted into an intersection of two or more beams where linked node has been generated.
linked node has been generated.
Order option group check on column properties
check on column properties
The procedure for adjustment of default parameters The procedure for adjustment of default parameters
Steel