Modular Support Systems Technical Guide, Edition 2
3.0 Modular Support System
3.2.6 MT Elevator Divider Beam( EDB) Connectors
MT-B-GL EDB OC( SET) / MT-B-GL EDB A OC
Figure 108 – MT-90 EDB Connection
A. |
MT-90 |
B. |
MT-B-GL EDB OC |
C. |
MT-B-GL EDB A OC |
Figure 109 – MT-100 EDB Connection
A. |
MT-100( long side) |
B. |
MT-B-GL EDB OC |
C. |
MT-B-GL EDB A OC |
Table 320- Allowable Strength Design( ASD) Load Data 1, 2, 3, 4, 5, 6
Fx Fy Fz Mx
My Mz
Connector lb( kN) lb( kN) lb( kN) lb ft( kN m) lb ft( kN m) lb ft( kN m) 10,360 2,215 4,055 1,400 2,075 1,250
MT-B-GL EDB
( 46.10)( 9.87)( 18.05)( 1.90)( 2.82)( 1.70) 665 1,300 4,065 750
__ __
MT-B-GL EDB A
( 2.96)( 5.80)( 18.09)( 1.02) 1 Tabulated values are for elevator divider beam applications only. 2 Tabulated values must be used in conjunction with the stiffness values shown in Table 326. 3 Minimum safety factor, Ω, for tabulated values is 2.13. 4 Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design( LRFD) values. 5 Load values are for base connector only. The design professional is responsible for checking concrete and fastener strength. 6 See Figure 108.
Table 321- Limit State Design( LSD) Load Data 1, 2, 3, 4, 5
Connector |
Fx lb( kN) |
Fy lb( kN) |
Fz lb( kN) |
Mx lb ft( kN m) |
My lb ft( kN m) |
Mz lb ft( kN m) |
MT-B-GL EDB |
15,575
( 69.29)
|
3,335
( 14.84)
|
6,095
( 27.13)
|
2,105
( 2.86)
|
2,850
( 3.87)
|
1,880
( 2.55)
|
MT-B-GL EDB A |
995
( 4.43)
|
1,960
( 8.72)
|
6,095
( 27.13)
|
1,125
( 1.53)
|
__ |
__ |
1 Tabulated values are for elevator divider beam applications only. |
2 Tabulated values must be used in conjunction with the stiffness values shown in Table 326. |
3 Maximum resistance factor, φ, for tabulated values is 0.9. |
4 Load values are for base connector only. The design professional is responsible for checking concrete and |
fastener strength. |
5 See Figure 108. |
Table 322- Allowable Strength Design( ASD) Load Data 1, 2, 3, 4, 5, 6
Fx Fy Fz Mx
My Mz
Connector lb( kN) lb( kN) lb( kN) lb ft( kN m) lb ft( kN m) lb ft( kN m) 8,105 1,625 4,165 965
2,105 1,215 MT-B-GL EDB
( 36.07)( 7.23)( 18.53)( 1.31)( 2.86)( 1.65) 665 1,100 4,165 720
__ __
MT-B-GL EDB A
( 2.96)( 4.90)( 18.53)( 0.98)
1 Tabulated values are for elevator divider beam applications only. 2 Tabulated values must be used in conjunction with the stiffness values shown in Table 326. 3 Minimum safety factor, Ω, for tabulated values is 2.1. 4 Multiply tabulated values by 1.5 to obtain minimum LRFD values. 5 Load values are for base connector only. The design professional is responsible for checking concrete and fastener strength. 6 See Figure 109.
Table 323- Limit State Design( LSD) Load Data 1, 2, 3, 4, 5
Connector
MT-B-GL EDB MT-B-GL EDB A
Fx lb( kN)
11,510( 51.20) 995( 4.43)
Fy lb( kN)
2,440( 10.86) 1,655( 7.36)
Fz lb( kN)
6,260( 27.85) 6,260( 27.85)
Mx lb ft( kN m)
1,450( 1.97) 1,080( 1.47)
My lb ft( kN m)
2,850( 3.87) __
Mz lb ft( kN m)
1,825( 2.48)
__
1 Tabulated values are for elevator divider beam applications only. 2 Tabulated values must be used in conjunction with the stiffness values shown in Table 326. 3 Maximum resistance factor, φ, for tabulated values is 0.7. 4 Load values are for base connector only. The design professional is responsible for checking concrete and fastener strength. 5 See Figure 109.
Table 324 – EDB Rotational Stiffness Data 1, 2
Connector
MT-B-GL EDB
MT-B-GL EDB
MT-B-GL EDB A
MT-B-GL EDB A
MT Profile
MT-90 MT-100 MT-90 MT-100 kMx lb ft / rad( kN m / rad) 40,210( 54.52) 28,335( 38.42) 22,440( 30.43) 20,935( 28.39) kMy lb ft / rad( kN m / rad) 158,350( 214.7) 306,455( 415.5) __ kMz lb ft / rad( kN m / rad) 187,190( 253.8) 232,255( 314.9) __
1 Rotational spring stiffness values are to be used in elevator divider beam applications. 2 The spring stiffness, kFx, for MT-B-GL EDB A should be set to zero.
3
__ __
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